Merge branch 'pm-sleep'
* pm-sleep:
ACPI / PM: Check low power idle constraints for debug only
PM / s2idle: Rename platform operations structure
PM / s2idle: Rename ->enter_freeze to ->enter_s2idle
PM / s2idle: Rename freeze_state enum and related items
PM / s2idle: Rename PM_SUSPEND_FREEZE to PM_SUSPEND_TO_IDLE
ACPI / PM: Prefer suspend-to-idle over S3 on some systems
platform/x86: intel-hid: Wake up Dell Latitude 7275 from suspend-to-idle
PM / suspend: Define pr_fmt() in suspend.c
PM / suspend: Use mem_sleep_labels[] strings in messages
PM / sleep: Put pm_test under CONFIG_PM_SLEEP_DEBUG
PM / sleep: Check pm_wakeup_pending() in __device_suspend_noirq()
PM / core: Add error argument to dpm_show_time()
PM / core: Split dpm_suspend_noirq() and dpm_resume_noirq()
PM / s2idle: Rearrange the main suspend-to-idle loop
PM / timekeeping: Print debug messages when requested
PM / sleep: Mark suspend/hibernation start and finish
PM / sleep: Do not print debug messages by default
PM / suspend: Export pm_suspend_target_state
diff --git a/Documentation/admin-guide/pm/cpufreq.rst b/Documentation/admin-guide/pm/cpufreq.rst
index 463cf7e..47153e6 100644
--- a/Documentation/admin-guide/pm/cpufreq.rst
+++ b/Documentation/admin-guide/pm/cpufreq.rst
@@ -237,6 +237,14 @@
This attribute is not present if the scaling driver in use does not
support it.
+``cpuinfo_cur_freq``
+ Current frequency of the CPUs belonging to this policy as obtained from
+ the hardware (in KHz).
+
+ This is expected to be the frequency the hardware actually runs at.
+ If that frequency cannot be determined, this attribute should not
+ be present.
+
``cpuinfo_max_freq``
Maximum possible operating frequency the CPUs belonging to this policy
can run at (in kHz).
@@ -471,14 +479,6 @@
# echo `$(($(cat cpuinfo_transition_latency) * 750 / 1000)) > ondemand/sampling_rate
-
-``min_sampling_rate``
- The minimum value of ``sampling_rate``.
-
- Equal to 10000 (10 ms) if :c:macro:`CONFIG_NO_HZ_COMMON` and
- :c:data:`tick_nohz_active` are both set or to 20 times the value of
- :c:data:`jiffies` in microseconds otherwise.
-
``up_threshold``
If the estimated CPU load is above this value (in percent), the governor
will set the frequency to the maximum value allowed for the policy.
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index 1d62498..d2b6fda 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -167,35 +167,17 @@
``powersave``
.............
-Without HWP, this P-state selection algorithm generally depends on the
-processor model and/or the system profile setting in the ACPI tables and there
-are two variants of it.
-
-One of them is used with processors from the Atom line and (regardless of the
-processor model) on platforms with the system profile in the ACPI tables set to
-"mobile" (laptops mostly), "tablet", "appliance PC", "desktop", or
-"workstation". It is also used with processors supporting the HWP feature if
-that feature has not been enabled (that is, with the ``intel_pstate=no_hwp``
-argument in the kernel command line). It is similar to the algorithm
+Without HWP, this P-state selection algorithm is similar to the algorithm
implemented by the generic ``schedutil`` scaling governor except that the
utilization metric used by it is based on numbers coming from feedback
registers of the CPU. It generally selects P-states proportional to the
-current CPU utilization, so it is referred to as the "proportional" algorithm.
+current CPU utilization.
-The second variant of the ``powersave`` P-state selection algorithm, used in all
-of the other cases (generally, on processors from the Core line, so it is
-referred to as the "Core" algorithm), is based on the values read from the APERF
-and MPERF feedback registers and the previously requested target P-state.
-It does not really take CPU utilization into account explicitly, but as a rule
-it causes the CPU P-state to ramp up very quickly in response to increased
-utilization which is generally desirable in server environments.
-
-Regardless of the variant, this algorithm is run by the driver's utilization
-update callback for the given CPU when it is invoked by the CPU scheduler, but
-not more often than every 10 ms (that can be tweaked via ``debugfs`` in `this
-particular case <Tuning Interface in debugfs_>`_). Like in the ``performance``
-case, the hardware configuration is not touched if the new P-state turns out to
-be the same as the current one.
+This algorithm is run by the driver's utilization update callback for the
+given CPU when it is invoked by the CPU scheduler, but not more often than
+every 10 ms. Like in the ``performance`` case, the hardware configuration
+is not touched if the new P-state turns out to be the same as the current
+one.
This is the default P-state selection algorithm if the
:c:macro:`CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE` kernel configuration option
@@ -720,34 +702,7 @@
gnome-shell-3409 [001] ..s. 2537.650850: intel_pstate_set_pstate <-intel_pstate_timer_func
<idle>-0 [000] ..s. 2537.654843: intel_pstate_set_pstate <-intel_pstate_timer_func
-Tuning Interface in ``debugfs``
--------------------------------
-
-The ``powersave`` algorithm provided by ``intel_pstate`` for `the Core line of
-processors in the active mode <powersave_>`_ is based on a `PID controller`_
-whose parameters were chosen to address a number of different use cases at the
-same time. However, it still is possible to fine-tune it to a specific workload
-and the ``debugfs`` interface under ``/sys/kernel/debug/pstate_snb/`` is
-provided for this purpose. [Note that the ``pstate_snb`` directory will be
-present only if the specific P-state selection algorithm matching the interface
-in it actually is in use.]
-
-The following files present in that directory can be used to modify the PID
-controller parameters at run time:
-
-| ``deadband``
-| ``d_gain_pct``
-| ``i_gain_pct``
-| ``p_gain_pct``
-| ``sample_rate_ms``
-| ``setpoint``
-
-Note, however, that achieving desirable results this way generally requires
-expert-level understanding of the power vs performance tradeoff, so extra care
-is recommended when attempting to do that.
-
.. _LCEU2015: http://events.linuxfoundation.org/sites/events/files/slides/LinuxConEurope_2015.pdf
.. _SDM: http://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-software-developer-system-programming-manual-325384.html
.. _ACPI specification: http://www.uefi.org/sites/default/files/resources/ACPI_6_1.pdf
-.. _PID controller: https://en.wikipedia.org/wiki/PID_controller
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 7e06e65..4a0a746 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -343,3 +343,4 @@
1.11.0 Fix table line argument order
(wrong raid10_copies/raid10_format sequence)
1.11.1 Add raid4/5/6 journal write-back support via journal_mode option
+1.12.1 fix for MD deadlock between mddev_suspend() and md_write_start() available
diff --git a/Documentation/devicetree/bindings/ata/sata_rcar.txt b/Documentation/devicetree/bindings/ata/sata_rcar.txt
index 0764f9a..e20eac7 100644
--- a/Documentation/devicetree/bindings/ata/sata_rcar.txt
+++ b/Documentation/devicetree/bindings/ata/sata_rcar.txt
@@ -1,14 +1,22 @@
* Renesas R-Car SATA
Required properties:
-- compatible : should contain one of the following:
+- compatible : should contain one or more of the following:
- "renesas,sata-r8a7779" for R-Car H1
- ("renesas,rcar-sata" is deprecated)
- "renesas,sata-r8a7790-es1" for R-Car H2 ES1
- "renesas,sata-r8a7790" for R-Car H2 other than ES1
- "renesas,sata-r8a7791" for R-Car M2-W
- "renesas,sata-r8a7793" for R-Car M2-N
- "renesas,sata-r8a7795" for R-Car H3
+ - "renesas,rcar-gen2-sata" for a generic R-Car Gen2 compatible device
+ - "renesas,rcar-gen3-sata" for a generic R-Car Gen3 compatible device
+ - "renesas,rcar-sata" is deprecated
+
+ When compatible with the generic version nodes
+ must list the SoC-specific version corresponding
+ to the platform first followed by the generic
+ version.
+
- reg : address and length of the SATA registers;
- interrupts : must consist of one interrupt specifier.
- clocks : must contain a reference to the functional clock.
@@ -16,7 +24,7 @@
Example:
sata0: sata@ee300000 {
- compatible = "renesas,sata-r8a7791";
+ compatible = "renesas,sata-r8a7791", "renesas,rcar-gen2-sata";
reg = <0 0xee300000 0 0x2000>;
interrupt-parent = <&gic>;
interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt b/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt
deleted file mode 100644
index 52b457c..0000000
--- a/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt
+++ /dev/null
@@ -1,83 +0,0 @@
-Device Tree Clock bindins for CPU DVFS of Mediatek MT8173 SoC
-
-Required properties:
-- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock names.
-- clock-names: Should contain the following:
- "cpu" - The multiplexer for clock input of CPU cluster.
- "intermediate" - A parent of "cpu" clock which is used as "intermediate" clock
- source (usually MAINPLL) when the original CPU PLL is under
- transition and not stable yet.
- Please refer to Documentation/devicetree/bindings/clk/clock-bindings.txt for
- generic clock consumer properties.
-- proc-supply: Regulator for Vproc of CPU cluster.
-
-Optional properties:
-- sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver
- needs to do "voltage tracking" to step by step scale up/down Vproc and
- Vsram to fit SoC specific needs. When absent, the voltage scaling
- flow is handled by hardware, hence no software "voltage tracking" is
- needed.
-
-Example:
---------
- cpu0: cpu@0 {
- device_type = "cpu";
- compatible = "arm,cortex-a53";
- reg = <0x000>;
- enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
- clocks = <&infracfg CLK_INFRA_CA53SEL>,
- <&apmixedsys CLK_APMIXED_MAINPLL>;
- clock-names = "cpu", "intermediate";
- };
-
- cpu1: cpu@1 {
- device_type = "cpu";
- compatible = "arm,cortex-a53";
- reg = <0x001>;
- enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
- clocks = <&infracfg CLK_INFRA_CA53SEL>,
- <&apmixedsys CLK_APMIXED_MAINPLL>;
- clock-names = "cpu", "intermediate";
- };
-
- cpu2: cpu@100 {
- device_type = "cpu";
- compatible = "arm,cortex-a57";
- reg = <0x100>;
- enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
- clocks = <&infracfg CLK_INFRA_CA57SEL>,
- <&apmixedsys CLK_APMIXED_MAINPLL>;
- clock-names = "cpu", "intermediate";
- };
-
- cpu3: cpu@101 {
- device_type = "cpu";
- compatible = "arm,cortex-a57";
- reg = <0x101>;
- enable-method = "psci";
- cpu-idle-states = <&CPU_SLEEP_0>;
- clocks = <&infracfg CLK_INFRA_CA57SEL>,
- <&apmixedsys CLK_APMIXED_MAINPLL>;
- clock-names = "cpu", "intermediate";
- };
-
- &cpu0 {
- proc-supply = <&mt6397_vpca15_reg>;
- };
-
- &cpu1 {
- proc-supply = <&mt6397_vpca15_reg>;
- };
-
- &cpu2 {
- proc-supply = <&da9211_vcpu_reg>;
- sram-supply = <&mt6397_vsramca7_reg>;
- };
-
- &cpu3 {
- proc-supply = <&da9211_vcpu_reg>;
- sram-supply = <&mt6397_vsramca7_reg>;
- };
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt
new file mode 100644
index 0000000..f640308
--- /dev/null
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.txt
@@ -0,0 +1,247 @@
+Binding for MediaTek's CPUFreq driver
+=====================================
+
+Required properties:
+- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock names.
+- clock-names: Should contain the following:
+ "cpu" - The multiplexer for clock input of CPU cluster.
+ "intermediate" - A parent of "cpu" clock which is used as "intermediate" clock
+ source (usually MAINPLL) when the original CPU PLL is under
+ transition and not stable yet.
+ Please refer to Documentation/devicetree/bindings/clk/clock-bindings.txt for
+ generic clock consumer properties.
+- operating-points-v2: Please refer to Documentation/devicetree/bindings/opp/opp.txt
+ for detail.
+- proc-supply: Regulator for Vproc of CPU cluster.
+
+Optional properties:
+- sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver
+ needs to do "voltage tracking" to step by step scale up/down Vproc and
+ Vsram to fit SoC specific needs. When absent, the voltage scaling
+ flow is handled by hardware, hence no software "voltage tracking" is
+ needed.
+- #cooling-cells:
+- cooling-min-level:
+- cooling-max-level:
+ Please refer to Documentation/devicetree/bindings/thermal/thermal.txt
+ for detail.
+
+Example 1 (MT7623 SoC):
+
+ cpu_opp_table: opp_table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-598000000 {
+ opp-hz = /bits/ 64 <598000000>;
+ opp-microvolt = <1050000>;
+ };
+
+ opp-747500000 {
+ opp-hz = /bits/ 64 <747500000>;
+ opp-microvolt = <1050000>;
+ };
+
+ opp-1040000000 {
+ opp-hz = /bits/ 64 <1040000000>;
+ opp-microvolt = <1150000>;
+ };
+
+ opp-1196000000 {
+ opp-hz = /bits/ 64 <1196000000>;
+ opp-microvolt = <1200000>;
+ };
+
+ opp-1300000000 {
+ opp-hz = /bits/ 64 <1300000000>;
+ opp-microvolt = <1300000>;
+ };
+ };
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x0>;
+ clocks = <&infracfg CLK_INFRA_CPUSEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cpu_opp_table>;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <7>;
+ };
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x1>;
+ operating-points-v2 = <&cpu_opp_table>;
+ };
+ cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x2>;
+ operating-points-v2 = <&cpu_opp_table>;
+ };
+ cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0x3>;
+ operating-points-v2 = <&cpu_opp_table>;
+ };
+
+Example 2 (MT8173 SoC):
+ cpu_opp_table_a: opp_table_a {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-507000000 {
+ opp-hz = /bits/ 64 <507000000>;
+ opp-microvolt = <859000>;
+ };
+
+ opp-702000000 {
+ opp-hz = /bits/ 64 <702000000>;
+ opp-microvolt = <908000>;
+ };
+
+ opp-1001000000 {
+ opp-hz = /bits/ 64 <1001000000>;
+ opp-microvolt = <983000>;
+ };
+
+ opp-1105000000 {
+ opp-hz = /bits/ 64 <1105000000>;
+ opp-microvolt = <1009000>;
+ };
+
+ opp-1183000000 {
+ opp-hz = /bits/ 64 <1183000000>;
+ opp-microvolt = <1028000>;
+ };
+
+ opp-1404000000 {
+ opp-hz = /bits/ 64 <1404000000>;
+ opp-microvolt = <1083000>;
+ };
+
+ opp-1508000000 {
+ opp-hz = /bits/ 64 <1508000000>;
+ opp-microvolt = <1109000>;
+ };
+
+ opp-1573000000 {
+ opp-hz = /bits/ 64 <1573000000>;
+ opp-microvolt = <1125000>;
+ };
+ };
+
+ cpu_opp_table_b: opp_table_b {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-507000000 {
+ opp-hz = /bits/ 64 <507000000>;
+ opp-microvolt = <828000>;
+ };
+
+ opp-702000000 {
+ opp-hz = /bits/ 64 <702000000>;
+ opp-microvolt = <867000>;
+ };
+
+ opp-1001000000 {
+ opp-hz = /bits/ 64 <1001000000>;
+ opp-microvolt = <927000>;
+ };
+
+ opp-1209000000 {
+ opp-hz = /bits/ 64 <1209000000>;
+ opp-microvolt = <968000>;
+ };
+
+ opp-1404000000 {
+ opp-hz = /bits/ 64 <1007000000>;
+ opp-microvolt = <1028000>;
+ };
+
+ opp-1612000000 {
+ opp-hz = /bits/ 64 <1612000000>;
+ opp-microvolt = <1049000>;
+ };
+
+ opp-1807000000 {
+ opp-hz = /bits/ 64 <1807000000>;
+ opp-microvolt = <1089000>;
+ };
+
+ opp-1989000000 {
+ opp-hz = /bits/ 64 <1989000000>;
+ opp-microvolt = <1125000>;
+ };
+ };
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x000>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cpu_opp_table_a>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a53";
+ reg = <0x001>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA53SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cpu_opp_table_a>;
+ };
+
+ cpu2: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x100>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cpu_opp_table_b>;
+ };
+
+ cpu3: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a57";
+ reg = <0x101>;
+ enable-method = "psci";
+ cpu-idle-states = <&CPU_SLEEP_0>;
+ clocks = <&infracfg CLK_INFRA_CA57SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cpu_opp_table_b>;
+ };
+
+ &cpu0 {
+ proc-supply = <&mt6397_vpca15_reg>;
+ };
+
+ &cpu1 {
+ proc-supply = <&mt6397_vpca15_reg>;
+ };
+
+ &cpu2 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+ };
+
+ &cpu3 {
+ proc-supply = <&da9211_vcpu_reg>;
+ sram-supply = <&mt6397_vsramca7_reg>;
+ };
diff --git a/Documentation/devicetree/bindings/crypto/inside-secure-safexcel.txt b/Documentation/devicetree/bindings/crypto/inside-secure-safexcel.txt
index f69773f..941bb6a 100644
--- a/Documentation/devicetree/bindings/crypto/inside-secure-safexcel.txt
+++ b/Documentation/devicetree/bindings/crypto/inside-secure-safexcel.txt
@@ -8,7 +8,6 @@
Optional properties:
- clocks: Reference to the crypto engine clock.
-- dma-mask: The address mask limitation. Defaults to 64.
Example:
@@ -24,6 +23,5 @@
interrupt-names = "mem", "ring0", "ring1", "ring2", "ring3",
"eip";
clocks = <&cpm_syscon0 1 26>;
- dma-mask = <0xff 0xffffffff>;
status = "disabled";
};
diff --git a/Documentation/devicetree/bindings/gpio/gpio-exar.txt b/Documentation/devicetree/bindings/gpio/gpio-exar.txt
new file mode 100644
index 0000000..4540d61
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-exar.txt
@@ -0,0 +1,5 @@
+Exportable MPIO interface of Exar UART chips
+
+Required properties of the device:
+ - exar,first-pin: first exportable pins (0..15)
+ - ngpios: number of exportable pins (1..16)
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
index d3b6e1a4..5aa5926 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
@@ -40,7 +40,7 @@
Example for a Mali-T760:
gpu@ffa30000 {
- compatible = "rockchip,rk3288-mali", "arm,mali-t760", "arm,mali-midgard";
+ compatible = "rockchip,rk3288-mali", "arm,mali-t760";
reg = <0xffa30000 0x10000>;
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
index aad9844..a58c173 100644
--- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
@@ -78,7 +78,6 @@
};
dwmmc0@12200000 {
- num-slots = <1>;
cap-mmc-highspeed;
cap-sd-highspeed;
broken-cd;
diff --git a/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
index 85de99f..c54e577 100644
--- a/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
@@ -24,6 +24,5 @@
fifo-depth = <0x20>;
bus-width = <4>;
- num-slots = <1>;
disable-wp;
};
diff --git a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
index 8af1afc..07242d1 100644
--- a/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
@@ -36,7 +36,6 @@
/* Board portion */
dwmmc0@fcd03000 {
- num-slots = <1>;
vmmc-supply = <&ldo12>;
fifo-depth = <0x100>;
pinctrl-names = "default";
@@ -52,7 +51,6 @@
dwmmc_1: dwmmc1@f723e000 {
compatible = "hisilicon,hi6220-dw-mshc";
- num-slots = <0x1>;
bus-width = <0x4>;
disable-wp;
cap-sd-highspeed;
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index 9cb55ca..ef3e5f1 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -12,12 +12,12 @@
* #address-cells: should be 1.
* #size-cells: should be 0.
-# Slots: The slot specific information are contained within child-nodes with
- each child-node representing a supported slot. There should be atleast one
- child node representing a card slot. The name of the child node representing
- the slot is recommended to be slot@n where n is the unique number of the slot
- connected to the controller. The following are optional properties which
- can be included in the slot child node.
+# Slots (DEPRECATED): The slot specific information are contained within
+ child-nodes with each child-node representing a supported slot. There should
+ be atleast one child node representing a card slot. The name of the child node
+ representing the slot is recommended to be slot@n where n is the unique number
+ of the slot connected to the controller. The following are optional properties
+ which can be included in the slot child node.
* reg: specifies the physical slot number. The valid values of this
property is 0 to (num-slots -1), where num-slots is the value
@@ -63,7 +63,7 @@
clock(cclk_out). If it's not specified, max is 200MHZ and min is 400KHz by default.
(Use the "max-frequency" instead of "clock-freq-min-max".)
-* num-slots: specifies the number of slots supported by the controller.
+* num-slots (DEPRECATED): specifies the number of slots supported by the controller.
The number of physical slots actually used could be equal or less than the
value specified by num-slots. If this property is not specified, the value
of num-slot property is assumed to be 1.
@@ -124,7 +124,6 @@
dwmmc0@12200000 {
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
- num-slots = <1>;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
@@ -139,7 +138,6 @@
dwmmc0@12200000 {
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
- num-slots = <1>;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
diff --git a/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt
index eaade0e..906819a 100644
--- a/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt
@@ -25,7 +25,6 @@
clock-frequency = <50000000>;
clocks = <&topcrm SD0_AHB>, <&topcrm SD0_WCLK>;
clock-names = "biu", "ciu";
- num-slots = <1>;
max-frequency = <50000000>;
cap-sdio-irq;
cap-sd-highspeed;
diff --git a/Documentation/devicetree/bindings/net/brcm,amac.txt b/Documentation/devicetree/bindings/net/brcm,amac.txt
index 2fefa1a..ad16c1f 100644
--- a/Documentation/devicetree/bindings/net/brcm,amac.txt
+++ b/Documentation/devicetree/bindings/net/brcm,amac.txt
@@ -11,6 +11,7 @@
- reg-names: Names of the registers.
"amac_base": Address and length of the GMAC registers
"idm_base": Address and length of the GMAC IDM registers
+ (required for NSP and Northstar2)
"nicpm_base": Address and length of the NIC Port Manager
registers (required for Northstar2)
- interrupts: Interrupt number
diff --git a/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt b/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt
deleted file mode 100644
index 022946c..0000000
--- a/Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Broadcom GMAC Ethernet Controller Device Tree Bindings
--------------------------------------------------------------
-
-Required properties:
- - compatible: "brcm,bgmac-nsp"
- - reg: Address and length of the GMAC registers,
- Address and length of the GMAC IDM registers
- - reg-names: Names of the registers. Must have both "gmac_base" and
- "idm_base"
- - interrupts: Interrupt number
-
-Optional properties:
-- mac-address: See ethernet.txt file in the same directory
-
-Examples:
-
-gmac0: ethernet@18022000 {
- compatible = "brcm,bgmac-nsp";
- reg = <0x18022000 0x1000>,
- <0x18110000 0x1000>;
- reg-names = "gmac_base", "idm_base";
- interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
- status = "disabled";
-};
diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
deleted file mode 100644
index 725f3b1..0000000
--- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt
+++ /dev/null
@@ -1,84 +0,0 @@
-* Allwinner sun8i GMAC ethernet controller
-
-This device is a platform glue layer for stmmac.
-Please see stmmac.txt for the other unchanged properties.
-
-Required properties:
-- compatible: should be one of the following string:
- "allwinner,sun8i-a83t-emac"
- "allwinner,sun8i-h3-emac"
- "allwinner,sun8i-v3s-emac"
- "allwinner,sun50i-a64-emac"
-- reg: address and length of the register for the device.
-- interrupts: interrupt for the device
-- interrupt-names: should be "macirq"
-- clocks: A phandle to the reference clock for this device
-- clock-names: should be "stmmaceth"
-- resets: A phandle to the reset control for this device
-- reset-names: should be "stmmaceth"
-- phy-mode: See ethernet.txt
-- phy-handle: See ethernet.txt
-- #address-cells: shall be 1
-- #size-cells: shall be 0
-- syscon: A phandle to the syscon of the SoC with one of the following
- compatible string:
- - allwinner,sun8i-h3-system-controller
- - allwinner,sun8i-v3s-system-controller
- - allwinner,sun50i-a64-system-controller
- - allwinner,sun8i-a83t-system-controller
-
-Optional properties:
-- allwinner,tx-delay-ps: TX clock delay chain value in ps. Range value is 0-700. Default is 0)
-- allwinner,rx-delay-ps: RX clock delay chain value in ps. Range value is 0-3100. Default is 0)
-Both delay properties need to be a multiple of 100. They control the delay for
-external PHY.
-
-Optional properties for the following compatibles:
- - "allwinner,sun8i-h3-emac",
- - "allwinner,sun8i-v3s-emac":
-- allwinner,leds-active-low: EPHY LEDs are active low
-
-Required child node of emac:
-- mdio bus node: should be named mdio
-
-Required properties of the mdio node:
-- #address-cells: shall be 1
-- #size-cells: shall be 0
-
-The device node referenced by "phy" or "phy-handle" should be a child node
-of the mdio node. See phy.txt for the generic PHY bindings.
-
-Required properties of the phy node with the following compatibles:
- - "allwinner,sun8i-h3-emac",
- - "allwinner,sun8i-v3s-emac":
-- clocks: a phandle to the reference clock for the EPHY
-- resets: a phandle to the reset control for the EPHY
-
-Example:
-
-emac: ethernet@1c0b000 {
- compatible = "allwinner,sun8i-h3-emac";
- syscon = <&syscon>;
- reg = <0x01c0b000 0x104>;
- interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "macirq";
- resets = <&ccu RST_BUS_EMAC>;
- reset-names = "stmmaceth";
- clocks = <&ccu CLK_BUS_EMAC>;
- clock-names = "stmmaceth";
- #address-cells = <1>;
- #size-cells = <0>;
-
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- mdio: mdio {
- #address-cells = <1>;
- #size-cells = <0>;
- int_mii_phy: ethernet-phy@1 {
- reg = <1>;
- clocks = <&ccu CLK_BUS_EPHY>;
- resets = <&ccu RST_BUS_EPHY>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
index 194926f..1ff02afd 100644
--- a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
+++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
@@ -4,7 +4,7 @@
- compatible: Should be one of the following.
- "rockchip,rk3066a-efuse" - for RK3066a SoCs.
- "rockchip,rk3188-efuse" - for RK3188 SoCs.
- - "rockchip,rk322x-efuse" - for RK322x SoCs.
+ - "rockchip,rk3228-efuse" - for RK3228 SoCs.
- "rockchip,rk3288-efuse" - for RK3288 SoCs.
- "rockchip,rk3399-efuse" - for RK3399 SoCs.
- reg: Should contain the registers location and exact eFuse size
diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
index 43c21fb..4a4766e 100644
--- a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
+++ b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
@@ -39,6 +39,8 @@
- "rockchip,rk3368-pmu-io-voltage-domain" for rk3368 pmu-domains
- "rockchip,rk3399-io-voltage-domain" for rk3399
- "rockchip,rk3399-pmu-io-voltage-domain" for rk3399 pmu-domains
+ - "rockchip,rv1108-io-voltage-domain" for rv1108
+ - "rockchip,rv1108-pmu-io-voltage-domain" for rv1108 pmu-domains
Deprecated properties:
- rockchip,grf: phandle to the syscon managing the "general register files"
diff --git a/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
index 07590bc..7c04e22 100644
--- a/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
+++ b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
@@ -1,13 +1,20 @@
-* Broadcom Digital Timing Engine(DTE) based PTP clock driver
+* Broadcom Digital Timing Engine(DTE) based PTP clock
Required properties:
-- compatible: should be "brcm,ptp-dte"
+- compatible: should contain the core compatibility string
+ and the SoC compatibility string. The SoC
+ compatibility string is to handle SoC specific
+ hardware differences.
+ Core compatibility string:
+ "brcm,ptp-dte"
+ SoC compatibility strings:
+ "brcm,iproc-ptp-dte" - for iproc based SoC's
- reg: address and length of the DTE block's NCO registers
Example:
-ptp_dte: ptp_dte@180af650 {
- compatible = "brcm,ptp-dte";
+ptp: ptp-dte@180af650 {
+ compatible = "brcm,iproc-ptp-dte", "brcm,ptp-dte";
reg = <0x180af650 0x10>;
status = "okay";
};
diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
index e6b5724..574c3a2 100644
--- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
+++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
@@ -9,7 +9,6 @@
- fsl,irda-mode : Indicate the uart supports irda mode
- fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
in DCE mode by default.
-- fsl,dma-size : Indicate the size of the DMA buffer and its periods
Please check Documentation/devicetree/bindings/serial/serial.txt
for the complete list of generic properties.
@@ -29,5 +28,4 @@
interrupts = <31>;
uart-has-rtscts;
fsl,dte-mode;
- fsl,dma-size = <1024 4>;
};
diff --git a/Documentation/fb/efifb.txt b/Documentation/fb/efifb.txt
index a59916c..1a85c1b 100644
--- a/Documentation/fb/efifb.txt
+++ b/Documentation/fb/efifb.txt
@@ -27,5 +27,11 @@
Macbook Pro 17", iMac 20" :
video=efifb:i20
+Accepted options:
+
+nowc Don't map the framebuffer write combined. This can be used
+ to workaround side-effects and slowdowns on other CPU cores
+ when large amounts of console data are written.
+
--
Edgar Hucek <gimli@dark-green.com>
diff --git a/Documentation/gpio/gpio-legacy.txt b/Documentation/gpio/gpio-legacy.txt
index b34fd94..5eacc14 100644
--- a/Documentation/gpio/gpio-legacy.txt
+++ b/Documentation/gpio/gpio-legacy.txt
@@ -459,7 +459,7 @@
This is done by registering "ranges" of pins, which are essentially
cross-reference tables. These are described in
-Documentation/pinctrl.txt
+Documentation/driver-api/pinctl.rst
While the pin allocation is totally managed by the pinctrl subsystem,
gpio (under gpiolib) is still maintained by gpio drivers. It may happen
diff --git a/Documentation/media/kapi/dtv-core.rst b/Documentation/media/kapi/dtv-core.rst
index ff86bf0a..de9a228 100644
--- a/Documentation/media/kapi/dtv-core.rst
+++ b/Documentation/media/kapi/dtv-core.rst
@@ -1,6 +1,31 @@
Digital TV (DVB) devices
------------------------
+Digital TV devices are implemented by several different drivers:
+
+- A bridge driver that is responsible to talk with the bus where the other
+ devices are connected (PCI, USB, SPI), bind to the other drivers and
+ implement the digital demux logic (either in software or in hardware);
+
+- Frontend drivers that are usually implemented as two separate drivers:
+
+ - A tuner driver that implements the logic with commands the part of the
+ hardware with is reponsible to tune into a digital TV transponder or
+ physical channel. The output of a tuner is usually a baseband or
+ Intermediate Frequency (IF) signal;
+
+ - A demodulator driver (a.k.a "demod") that implements the logic with
+ commands the digital TV decoding hardware. The output of a demod is
+ a digital stream, with multiple audio, video and data channels typically
+ multiplexed using MPEG Transport Stream [#f1]_.
+
+On most hardware, the frontend drivers talk with the bridge driver using an
+I2C bus.
+
+.. [#f1] Some standards use TCP/IP for multiplexing data, like DVB-H (an
+ abandoned standard, not used anymore) and ATSC version 3.0 current
+ proposals. Currently, the DVB subsystem doesn't implement those standards.
+
Digital TV Common functions
---------------------------
@@ -55,8 +80,141 @@
The Digital TV Frontend kABI defines a driver-internal interface for
registering low-level, hardware specific driver to a hardware independent
frontend layer. It is only of interest for Digital TV device driver writers.
-The header file for this API is named dvb_frontend.h and located in
-drivers/media/dvb-core.
+The header file for this API is named ``dvb_frontend.h`` and located in
+``drivers/media/dvb-core``.
+
+Demodulator driver
+^^^^^^^^^^^^^^^^^^
+
+The demodulator driver is responsible to talk with the decoding part of the
+hardware. Such driver should implement :c:type:`dvb_frontend_ops`, with
+tells what type of digital TV standards are supported, and points to a
+series of functions that allow the DVB core to command the hardware via
+the code under ``drivers/media/dvb-core/dvb_frontend.c``.
+
+A typical example of such struct in a driver ``foo`` is::
+
+ static struct dvb_frontend_ops foo_ops = {
+ .delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A },
+ .info = {
+ .name = "foo DVB-T/T2/C driver",
+ .caps = FE_CAN_FEC_1_2 |
+ FE_CAN_FEC_2_3 |
+ FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 |
+ FE_CAN_FEC_7_8 |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK |
+ FE_CAN_QAM_16 |
+ FE_CAN_QAM_32 |
+ FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 |
+ FE_CAN_QAM_256 |
+ FE_CAN_QAM_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO |
+ FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_MUTE_TS |
+ FE_CAN_2G_MODULATION,
+ .frequency_min = 42000000, /* Hz */
+ .frequency_max = 1002000000, /* Hz */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000
+ },
+ .init = foo_init,
+ .sleep = foo_sleep,
+ .release = foo_release,
+ .set_frontend = foo_set_frontend,
+ .get_frontend = foo_get_frontend,
+ .read_status = foo_get_status_and_stats,
+ .tune = foo_tune,
+ .i2c_gate_ctrl = foo_i2c_gate_ctrl,
+ .get_frontend_algo = foo_get_algo,
+ };
+
+A typical example of such struct in a driver ``bar`` meant to be used on
+Satellite TV reception is::
+
+ static const struct dvb_frontend_ops bar_ops = {
+ .delsys = { SYS_DVBS, SYS_DVBS2 },
+ .info = {
+ .name = "Bar DVB-S/S2 demodulator",
+ .frequency_min = 500000, /* KHz */
+ .frequency_max = 2500000, /* KHz */
+ .frequency_stepsize = 0,
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 45000000,
+ .symbol_rate_tolerance = 500,
+ .caps = FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK,
+ },
+ .init = bar_init,
+ .sleep = bar_sleep,
+ .release = bar_release,
+ .set_frontend = bar_set_frontend,
+ .get_frontend = bar_get_frontend,
+ .read_status = bar_get_status_and_stats,
+ .i2c_gate_ctrl = bar_i2c_gate_ctrl,
+ .get_frontend_algo = bar_get_algo,
+ .tune = bar_tune,
+
+ /* Satellite-specific */
+ .diseqc_send_master_cmd = bar_send_diseqc_msg,
+ .diseqc_send_burst = bar_send_burst,
+ .set_tone = bar_set_tone,
+ .set_voltage = bar_set_voltage,
+ };
+
+.. note::
+
+ #) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
+ frequencies are specified in kHz, while, for terrestrial and cable
+ standards, they're specified in Hz. Due to that, if the same frontend
+ supports both types, you'll need to have two separate
+ :c:type:`dvb_frontend_ops` structures, one for each standard.
+ #) The ``.i2c_gate_ctrl`` field is present only when the hardware has
+ allows controlling an I2C gate (either directly of via some GPIO pin),
+ in order to remove the tuner from the I2C bus after a channel is
+ tuned.
+ #) All new drivers should implement the
+ :ref:`DVBv5 statistics <dvbv5_stats>` via ``.read_status``.
+ Yet, there are a number of callbacks meant to get statistics for
+ signal strength, S/N and UCB. Those are there to provide backward
+ compatibility with legacy applications that don't support the DVBv5
+ API. Implementing those callbacks are optional. Those callbacks may be
+ removed in the future, after we have all existing drivers supporting
+ DVBv5 stats.
+ #) Other callbacks are required for satellite TV standards, in order to
+ control LNBf and DiSEqC: ``.diseqc_send_master_cmd``,
+ ``.diseqc_send_burst``, ``.set_tone``, ``.set_voltage``.
+
+.. |delta| unicode:: U+00394
+
+The ``drivers/media/dvb-core/dvb_frontend.c`` has a kernel thread with is
+responsible for tuning the device. It supports multiple algoritms to
+detect a channel, as defined at enum :c:func:`dvbfe_algo`.
+
+The algorithm to be used is obtained via ``.get_frontend_algo``. If the driver
+doesn't fill its field at struct :c:type:`dvb_frontend_ops`, it will default to
+``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning,
+e. g. it will try first to use the specified center frequency ``f``,
+then, it will do ``f`` + |delta|, ``f`` - |delta|, ``f`` + 2 x |delta|,
+``f`` - 2 x |delta| and so on.
+
+If the hardware has internally a some sort of zigzag algorithm, you should
+define a ``.get_frontend_algo`` function that would return ``DVBFE_ALGO_HW``.
+
+.. note::
+
+ The core frontend support also supports
+ a third type (``DVBFE_ALGO_CUSTOM``), in order to allow the driver to
+ define its own hardware-assisted algorithm. Very few hardware need to
+ use it nowadays. Using ``DVBFE_ALGO_CUSTOM`` require to provide other
+ function callbacks at struct :c:type:`dvb_frontend_ops`.
+
+Attaching frontend driver to the bridge driver
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Before using the Digital TV frontend core, the bridge driver should attach
the frontend demod, tuner and SEC devices and call
@@ -74,6 +232,287 @@
A few other optional functions are provided to handle some special cases.
+.. _dvbv5_stats:
+
+Digital TV Frontend statistics
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Introduction
+^^^^^^^^^^^^
+
+Digital TV frontends provide a range of
+:ref:`statistics <frontend-stat-properties>` meant to help tuning the device
+and measuring the quality of service.
+
+For each statistics measurement, the driver should set the type of scale used,
+or ``FE_SCALE_NOT_AVAILABLE`` if the statistics is not available on a given
+time. Drivers should also provide the number of statistics for each type.
+that's usually 1 for most video standards [#f2]_.
+
+Drivers should initialize each statistic counters with length and
+scale at its init code. For example, if the frontend provides signal
+strength, it should have, on its init code::
+
+ struct dtv_frontend_properties *c = &state->fe.dtv_property_cache;
+
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+And, when the statistics got updated, set the scale::
+
+ c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ c->strength.stat[0].uvalue = strength;
+
+.. [#f2] For ISDB-T, it may provide both a global statistics and a per-layer
+ set of statistics. On such cases, len should be equal to 4. The first
+ value corresponds to the global stat; the other ones to each layer, e. g.:
+
+ - c->cnr.stat[0] for global S/N carrier ratio,
+ - c->cnr.stat[1] for Layer A S/N carrier ratio,
+ - c->cnr.stat[2] for layer B S/N carrier ratio,
+ - c->cnr.stat[3] for layer C S/N carrier ratio.
+
+.. note:: Please prefer to use ``FE_SCALE_DECIBEL`` instead of
+ ``FE_SCALE_RELATIVE`` for signal strength and CNR measurements.
+
+Groups of statistics
+^^^^^^^^^^^^^^^^^^^^
+
+There are several groups of statistics currently supported:
+
+Signal strength (:ref:`DTV-STAT-SIGNAL-STRENGTH`)
+ - Measures the signal strength level at the analog part of the tuner or
+ demod.
+
+ - Typically obtained from the gain applied to the tuner and/or frontend
+ in order to detect the carrier. When no carrier is detected, the gain is
+ at the maximum value (so, strength is on its minimal).
+
+ - As the gain is visible through the set of registers that adjust the gain,
+ typically, this statistics is always available [#f3]_.
+
+ - Drivers should try to make it available all the times, as this statistics
+ can be used when adjusting an antenna position and to check for troubles
+ at the cabling.
+
+ .. [#f3] On a few devices, the gain keeps floating if no carrier.
+ On such devices, strength report should check first if carrier is
+ detected at the tuner (``FE_HAS_CARRIER``, see :c:type:`fe_status`),
+ and otherwise return the lowest possible value.
+
+Carrier Signal to Noise ratio (:ref:`DTV-STAT-CNR`)
+ - Signal to Noise ratio for the main carrier.
+
+ - Signal to Noise measurement depends on the device. On some hardware, is
+ available when the main carrier is detected. On those hardware, CNR
+ measurement usually comes from the tuner (e. g. after ``FE_HAS_CARRIER``,
+ see :c:type:`fe_status`).
+
+ On other devices, it requires inner FEC decoding,
+ as the frontend measures it indirectly from other parameters (e. g. after
+ ``FE_HAS_VITERBI``, see :c:type:`fe_status`).
+
+ Having it available after inner FEC is more common.
+
+Bit counts post-FEC (:ref:`DTV-STAT-POST-ERROR-BIT-COUNT` and :ref:`DTV-STAT-POST-TOTAL-BIT-COUNT`)
+ - Those counters measure the number of bits and bit errors errors after
+ the forward error correction (FEC) on the inner coding block
+ (after Viterbi, LDPC or other inner code).
+
+ - Due to its nature, those statistics depend on full coding lock
+ (e. g. after ``FE_HAS_SYNC`` or after ``FE_HAS_LOCK``,
+ see :c:type:`fe_status`).
+
+Bit counts pre-FEC (:ref:`DTV-STAT-PRE-ERROR-BIT-COUNT` and :ref:`DTV-STAT-PRE-TOTAL-BIT-COUNT`)
+ - Those counters measure the number of bits and bit errors errors before
+ the forward error correction (FEC) on the inner coding block
+ (before Viterbi, LDPC or other inner code).
+
+ - Not all frontends provide this kind of statistics.
+
+ - Due to its nature, those statistics depend on inner coding lock (e. g.
+ after ``FE_HAS_VITERBI``, see :c:type:`fe_status`).
+
+Block counts (:ref:`DTV-STAT-ERROR-BLOCK-COUNT` and :ref:`DTV-STAT-TOTAL-BLOCK-COUNT`)
+ - Those counters measure the number of blocks and block errors errors after
+ the forward error correction (FEC) on the inner coding block
+ (before Viterbi, LDPC or other inner code).
+
+ - Due to its nature, those statistics depend on full coding lock
+ (e. g. after ``FE_HAS_SYNC`` or after
+ ``FE_HAS_LOCK``, see :c:type:`fe_status`).
+
+.. note:: All counters should be monotonically increased as they're
+ collected from the hardware.
+
+A typical example of the logic that handle status and statistics is::
+
+ static int foo_get_status_and_stats(struct dvb_frontend *fe)
+ {
+ struct foo_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ int rc;
+ enum fe_status *status;
+
+ /* Both status and strength are always available */
+ rc = foo_read_status(fe, &status);
+ if (rc < 0)
+ return rc;
+
+ rc = foo_read_strength(fe);
+ if (rc < 0)
+ return rc;
+
+ /* Check if CNR is available */
+ if (!(fe->status & FE_HAS_CARRIER))
+ return 0;
+
+ rc = foo_read_cnr(fe);
+ if (rc < 0)
+ return rc;
+
+ /* Check if pre-BER stats are available */
+ if (!(fe->status & FE_HAS_VITERBI))
+ return 0;
+
+ rc = foo_get_pre_ber(fe);
+ if (rc < 0)
+ return rc;
+
+ /* Check if post-BER stats are available */
+ if (!(fe->status & FE_HAS_SYNC))
+ return 0;
+
+ rc = foo_get_post_ber(fe);
+ if (rc < 0)
+ return rc;
+ }
+
+ static const struct dvb_frontend_ops ops = {
+ /* ... */
+ .read_status = foo_get_status_and_stats,
+ };
+
+Statistics collect
+^^^^^^^^^^^^^^^^^^
+
+On almost all frontend hardware, the bit and byte counts are stored by
+the hardware after a certain amount of time or after the total bit/block
+counter reaches a certain value (usually programable), for example, on
+every 1000 ms or after receiving 1,000,000 bits.
+
+So, if you read the registers too soon, you'll end by reading the same
+value as in the previous reading, causing the monotonic value to be
+incremented too often.
+
+Drivers should take the responsibility to avoid too often reads. That
+can be done using two approaches:
+
+if the driver have a bit that indicates when a collected data is ready
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+Driver should check such bit before making the statistics available.
+
+An example of such behavior can be found at this code snippet (adapted
+from mb86a20s driver's logic)::
+
+ static int foo_get_pre_ber(struct dvb_frontend *fe)
+ {
+ struct foo_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int rc, bit_error;
+
+ /* Check if the BER measures are already available */
+ rc = foo_read_u8(state, 0x54);
+ if (rc < 0)
+ return rc;
+
+ if (!rc)
+ return 0;
+
+ /* Read Bit Error Count */
+ bit_error = foo_read_u32(state, 0x55);
+ if (bit_error < 0)
+ return bit_error;
+
+ /* Read Total Bit Count */
+ rc = foo_read_u32(state, 0x51);
+ if (rc < 0)
+ return rc;
+
+ c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[0].uvalue += bit_error;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[0].uvalue += rc;
+
+ return 0;
+ }
+
+If the driver doesn't provide a statistics available check bit
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+A few devices, however, may not provide a way to check if the stats are
+available (or the way to check it is unknown). They may not even provide
+a way to directly read the total number of bits or blocks.
+
+On those devices, the driver need to ensure that it won't be reading from
+the register too often and/or estimate the total number of bits/blocks.
+
+On such drivers, a typical routine to get statistics would be like
+(adapted from dib8000 driver's logic)::
+
+ struct foo_state {
+ /* ... */
+
+ unsigned long per_jiffies_stats;
+ }
+
+ static int foo_get_pre_ber(struct dvb_frontend *fe)
+ {
+ struct foo_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int rc, bit_error;
+ u64 bits;
+
+ /* Check if time for stats was elapsed */
+ if (!time_after(jiffies, state->per_jiffies_stats))
+ return 0;
+
+ /* Next stat should be collected in 1000 ms */
+ state->per_jiffies_stats = jiffies + msecs_to_jiffies(1000);
+
+ /* Read Bit Error Count */
+ bit_error = foo_read_u32(state, 0x55);
+ if (bit_error < 0)
+ return bit_error;
+
+ /*
+ * On this particular frontend, there's no register that
+ * would provide the number of bits per 1000ms sample. So,
+ * some function would calculate it based on DTV properties
+ */
+ bits = get_number_of_bits_per_1000ms(fe);
+
+ c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[0].uvalue += bit_error;
+ c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[0].uvalue += bits;
+
+ return 0;
+ }
+
+Please notice that, on both cases, we're getting the statistics using the
+:c:type:`dvb_frontend_ops` ``.read_status`` callback. The rationale is that
+the frontend core will automatically call this function periodically
+(usually, 3 times per second, when the frontend is locked).
+
+That warrants that we won't miss to collect a counter and increment the
+monotonic stats at the right time.
+
+Digital TV Frontend functions and types
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
.. kernel-doc:: drivers/media/dvb-core/dvb_frontend.h
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index f710ee4..7e5d718 100644
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- sodipodi:role="line"
- y="-86.604706"
- x="5.8031301 13.806463 20.477907 27.149351 33.820797 40.492241 47.823627 51.159351 59.162685 65.834129 74.497406 81.168854 89.17218 97.175514 106.51073 113.18218 120.51357">V4L2_FIELD_SEQ_TB</tspan><tspan
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- x="10.05469 18.058023 24.729465 31.400909 38.072357 44.743801 52.075188 55.410912 63.414246 70.085686 78.748962 85.42041 88.756134 97.419411 104.7508 112.75413 121.41741 128.08885 136.09219 144.75546 152.7588 161.42207 168.09352 176.09685 183.42824 186.76396 190.75963 200.75479 203.41858 209.41808 216.08952 218.7533 221.41707 228.08852 234.75996 241.43141 248.10286">V4L2_FIELD_INTERLACED_BT (misaligned)</tspan><tspan
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- sodipodi:role="line"
- y="-294.93271"
- x="5.8031301 13.806463 20.477907 27.149351 33.820797 40.492241 47.823627 51.159351 59.162685 65.834129 74.497406 81.168854 84.50457 93.167847 100.49924 108.50257 117.16585 123.83729 131.84062 140.50391 148.50723 157.17052 160.50624 163.84196 167.17769 175.18102 181.85246 188.52391 195.19534 201.86679 209.19818 212.53391 220.53723 227.20868 235.87196 242.5434 245.87912 254.5424 261.87378 269.87714 278.54041 285.21185 293.21518 301.87845 309.88177 318.54507 325.21652 332.54791">V4L2_FIELD_INTERLACED / V4L2_FIELD_INTERLACED_TB</tspan></text>
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+ sodipodi:role="line"
+ y="-86.604706"
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+ id="tspan6787"
+ sodipodi:role="line"
+ y="-294.93271"
+ x="5.8031301 13.806463 20.477907 27.149351 33.820797 40.492241 47.823627 51.159351 59.162685 65.834129 74.497406 81.168854 84.50457 93.167847 100.49924 108.50257 117.16585 123.83729 131.84062 140.50391 148.50723 157.17052 160.50624 163.84196 167.17769 175.18102 181.85246 188.52391 195.19534 201.86679 209.19818 212.53391 220.53723 227.20868 235.87196 242.5434 245.87912 254.5424 261.87378 269.87714 278.54041 285.21185 293.21518 301.87845 309.88177 318.54507 325.21652 332.54791">V4L2_FIELD_INTERLACED / V4L2_FIELD_INTERLACED_TB</tspan></text>
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x="5.8031301 13.806463 20.477907 27.149351 33.820797 40.492241 47.823627 51.159351 59.162685 65.834129 74.497406 81.168854 89.17218 95.843628 103.17502 111.17835 119.84163 128.5049 136.50824 143.83963"
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+ id="tspan4593"
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+ y="-392.72021"
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- x="5.8031301 13.134519 19.805964 29.801128 36.472572 43.14402 47.139687 53.811131 56.474907 59.810631 66.482071 70.477737 77.149185 83.820625 87.816299 91.152016 94.48774 97.823463 104.4949 111.16635 114.50207 117.83779 120.50157 127.17302 129.83679 136.50824 139.84396 143.17969 145.84346 149.83913 155.83862 159.17435 162.51007 165.84579 169.84146 176.51291 183.18434 189.18385 199.17902 201.84279 205.17851 208.51424 215.18568 221.85713 225.19284 229.18851 235.85995 239.19568 245.86713 249.20285 252.53857 260.5419 269.87714 273.21286 281.21619 289.21951 295.89096">Temporal order, top field first transmitted (e.g. BG/PAL)</tspan></text>
+ id="tspan5849"
+ sodipodi:role="line"
+ y="-588.2937"
+ x="5.8031301 13.134519 19.805964 29.801128 36.472572 43.14402 47.139687 53.811131 56.474907 59.810631 66.482071 70.477737 77.149185 83.820625 87.816299 91.152016 94.48774 97.823463 104.4949 111.16635 114.50207 117.83779 120.50157 127.17302 129.83679 136.50824 139.84396 143.17969 145.84346 149.83913 155.83862 159.17435 162.51007 165.84579 169.84146 176.51291 183.18434 189.18385 199.17902 201.84279 205.17851 208.51424 215.18568 221.85713 225.19284 229.18851 235.85995 239.19568 245.86713 249.20285 252.53857 260.5419 269.87714 273.21286 281.21619 289.21951 295.89096">Temporal order, top field first transmitted (e.g. BG/PAL)</tspan></text>
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transform="scale(1,-1)"><tspan
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+ id="tspan5857"
+ sodipodi:role="line"
+ y="-192.89471"
+ x="10.05469 18.058023 24.729465 31.400909 38.072357 44.743801 52.075188 55.410912 63.414246 70.085686 78.748962 85.42041 88.756134 97.419411 104.7508 112.75413 121.41741 128.08885 136.09219 144.75546 152.7588 161.42207 168.09352 176.09685 183.42824 186.76396 190.75963 200.75479 203.41858 209.41808 216.08952 218.7533 221.41707 228.08852 234.75996 241.43141 248.10286">V4L2_FIELD_INTERLACED_BT (misaligned)</tspan></text>
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diff --git a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
index b853e48..d082f9a 100644
--- a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
+++ b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst
@@ -147,3 +147,9 @@
EINVAL
The struct :c:type:`v4l2_format` ``type`` field is
invalid or the requested buffer type not supported.
+
+EBUSY
+ The device is busy and cannot change the format. This could be
+ because or the device is streaming or buffers are allocated or
+ queued to the driver. Relevant for :ref:`VIDIOC_S_FMT
+ <VIDIOC_G_FMT>` only.
diff --git a/Documentation/media/v4l-drivers/imx.rst b/Documentation/media/v4l-drivers/imx.rst
index e0ee0f1..3c4f58b 100644
--- a/Documentation/media/v4l-drivers/imx.rst
+++ b/Documentation/media/v4l-drivers/imx.rst
@@ -607,8 +607,9 @@
Authors
-------
-Steve Longerbeam <steve_longerbeam@mentor.com>
-Philipp Zabel <kernel@pengutronix.de>
-Russell King <linux@armlinux.org.uk>
+
+- Steve Longerbeam <steve_longerbeam@mentor.com>
+- Philipp Zabel <kernel@pengutronix.de>
+- Russell King <linux@armlinux.org.uk>
Copyright (C) 2012-2017 Mentor Graphics Inc.
diff --git a/Documentation/media/v4l-drivers/index.rst b/Documentation/media/v4l-drivers/index.rst
index 2e24d68..10f2ce42 100644
--- a/Documentation/media/v4l-drivers/index.rst
+++ b/Documentation/media/v4l-drivers/index.rst
@@ -41,6 +41,7 @@
cx88
davinci-vpbe
fimc
+ imx
ivtv
max2175
meye
diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt
index 3e7b946..5e40e1f 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.txt
@@ -228,7 +228,7 @@
bridge link set dev DEV learning on self
bridge link set dev DEV learning_sync on self
-Learning_sync attribute enables syncing of the learned/forgotton FDB entry to
+Learning_sync attribute enables syncing of the learned/forgotten FDB entry to
the bridge's FDB. It's possible, but not optimal, to enable learning on the
device port and on the bridge port, and disable learning_sync.
@@ -245,7 +245,7 @@
port device supports ageing, when the FDB entry expires, it will notify the
driver which in turn will notify the bridge with SWITCHDEV_FDB_DEL. If the
device does not support ageing, the driver can simulate ageing using a
-garbage collection timer to monitor FBD entries. Expired entries will be
+garbage collection timer to monitor FDB entries. Expired entries will be
notified to the bridge using SWITCHDEV_FDB_DEL. See rocker driver for
example of driver running ageing timer.
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 0fde3dc..625549d 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -435,7 +435,8 @@
PM status to 'suspended' and update its parent's counter of 'active'
children as appropriate (it is only valid to use this function if
'power.runtime_error' is set or 'power.disable_depth' is greater than
- zero)
+ zero); it will fail and return an error code if the device has a child
+ which is active and the 'power.ignore_children' flag is unset
bool pm_runtime_active(struct device *dev);
- return true if the device's runtime PM status is 'active' or its
diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 65ea591..074670b 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -58,20 +58,23 @@
%ps versatile_init
%pB prev_fn_of_versatile_init+0x88/0x88
-For printing symbols and function pointers. The ``S`` and ``s`` specifiers
-result in the symbol name with (``S``) or without (``s``) offsets. Where
-this is used on a kernel without KALLSYMS - the symbol address is
-printed instead.
+The ``F`` and ``f`` specifiers are for printing function pointers,
+for example, f->func, &gettimeofday. They have the same result as
+``S`` and ``s`` specifiers. But they do an extra conversion on
+ia64, ppc64 and parisc64 architectures where the function pointers
+are actually function descriptors.
+
+The ``S`` and ``s`` specifiers can be used for printing symbols
+from direct addresses, for example, __builtin_return_address(0),
+(void *)regs->ip. They result in the symbol name with (``S``) or
+without (``s``) offsets. If KALLSYMS are disabled then the symbol
+address is printed instead.
The ``B`` specifier results in the symbol name with offsets and should be
used when printing stack backtraces. The specifier takes into
consideration the effect of compiler optimisations which may occur
when tail-call``s are used and marked with the noreturn GCC attribute.
-On ia64, ppc64 and parisc64 architectures function pointers are
-actually function descriptors which must first be resolved. The ``F`` and
-``f`` specifiers perform this resolution and then provide the same
-functionality as the ``S`` and ``s`` specifiers.
Kernel Pointers
===============
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index 14db18c..28596e0 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -35,9 +35,34 @@
bpf_jit_enable
--------------
-This enables Berkeley Packet Filter Just in Time compiler.
-Currently supported on x86_64 architecture, bpf_jit provides a framework
-to speed packet filtering, the one used by tcpdump/libpcap for example.
+This enables the BPF Just in Time (JIT) compiler. BPF is a flexible
+and efficient infrastructure allowing to execute bytecode at various
+hook points. It is used in a number of Linux kernel subsystems such
+as networking (e.g. XDP, tc), tracing (e.g. kprobes, uprobes, tracepoints)
+and security (e.g. seccomp). LLVM has a BPF back end that can compile
+restricted C into a sequence of BPF instructions. After program load
+through bpf(2) and passing a verifier in the kernel, a JIT will then
+translate these BPF proglets into native CPU instructions. There are
+two flavors of JITs, the newer eBPF JIT currently supported on:
+ - x86_64
+ - arm64
+ - ppc64
+ - sparc64
+ - mips64
+ - s390x
+
+And the older cBPF JIT supported on the following archs:
+ - arm
+ - mips
+ - ppc
+ - sparc
+
+eBPF JITs are a superset of cBPF JITs, meaning the kernel will
+migrate cBPF instructions into eBPF instructions and then JIT
+compile them transparently. Older cBPF JITs can only translate
+tcpdump filters, seccomp rules, etc, but not mentioned eBPF
+programs loaded through bpf(2).
+
Values :
0 - disable the JIT (default value)
1 - enable the JIT
@@ -46,9 +71,9 @@
bpf_jit_harden
--------------
-This enables hardening for the Berkeley Packet Filter Just in Time compiler.
-Supported are eBPF JIT backends. Enabling hardening trades off performance,
-but can mitigate JIT spraying.
+This enables hardening for the BPF JIT compiler. Supported are eBPF
+JIT backends. Enabling hardening trades off performance, but can
+mitigate JIT spraying.
Values :
0 - disable JIT hardening (default value)
1 - enable JIT hardening for unprivileged users only
@@ -57,11 +82,11 @@
bpf_jit_kallsyms
----------------
-When Berkeley Packet Filter Just in Time compiler is enabled, then compiled
-images are unknown addresses to the kernel, meaning they neither show up in
-traces nor in /proc/kallsyms. This enables export of these addresses, which
-can be used for debugging/tracing. If bpf_jit_harden is enabled, this feature
-is disabled.
+When BPF JIT compiler is enabled, then compiled images are unknown
+addresses to the kernel, meaning they neither show up in traces nor
+in /proc/kallsyms. This enables export of these addresses, which can
+be used for debugging/tracing. If bpf_jit_harden is enabled, this
+feature is disabled.
Values :
0 - disable JIT kallsyms export (default value)
1 - enable JIT kallsyms export for privileged users only
diff --git a/MAINTAINERS b/MAINTAINERS
index 205d397..1c3feff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -205,7 +205,6 @@
F: include/uapi/linux/virtio_9p.h
F: include/trace/events/9p.h
-
A8293 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
@@ -492,13 +491,6 @@
F: Documentation/hwmon/adt7475
F: drivers/hwmon/adt7475.c
-ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346)
-M: Michael Hennerich <michael.hennerich@analog.com>
-W: http://wiki.analog.com/ADXL345
-W: http://ez.analog.com/community/linux-device-drivers
-S: Supported
-F: drivers/input/misc/adxl34x.c
-
ADVANSYS SCSI DRIVER
M: Matthew Wilcox <matthew@wil.cx>
M: Hannes Reinecke <hare@suse.com>
@@ -507,6 +499,13 @@
F: Documentation/scsi/advansys.txt
F: drivers/scsi/advansys.c
+ADXL34X THREE-AXIS DIGITAL ACCELEROMETER DRIVER (ADXL345/ADXL346)
+M: Michael Hennerich <michael.hennerich@analog.com>
+W: http://wiki.analog.com/ADXL345
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/input/misc/adxl34x.c
+
AEDSP16 DRIVER
M: Riccardo Facchetti <fizban@tin.it>
S: Maintained
@@ -808,6 +807,12 @@
S: Supported
F: sound/soc/blackfin/*
+ANALOG DEVICES INC DMA DRIVERS
+M: Lars-Peter Clausen <lars@metafoo.de>
+W: http://ez.analog.com/community/linux-device-drivers
+S: Supported
+F: drivers/dma/dma-axi-dmac.c
+
ANALOG DEVICES INC IIO DRIVERS
M: Lars-Peter Clausen <lars@metafoo.de>
M: Michael Hennerich <Michael.Hennerich@analog.com>
@@ -820,12 +825,6 @@
F: drivers/staging/iio/*/ad*
F: drivers/staging/iio/trigger/iio-trig-bfin-timer.c
-ANALOG DEVICES INC DMA DRIVERS
-M: Lars-Peter Clausen <lars@metafoo.de>
-W: http://ez.analog.com/community/linux-device-drivers
-S: Supported
-F: drivers/dma/dma-axi-dmac.c
-
ANDROID CONFIG FRAGMENTS
M: Rob Herring <robh@kernel.org>
S: Supported
@@ -872,6 +871,15 @@
F: include/uapi/linux/apm_bios.h
F: drivers/char/apm-emulation.c
+APPARMOR SECURITY MODULE
+M: John Johansen <john.johansen@canonical.com>
+L: apparmor@lists.ubuntu.com (subscribers-only, general discussion)
+W: apparmor.wiki.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jj/apparmor-dev.git
+S: Supported
+F: security/apparmor/
+F: Documentation/admin-guide/LSM/apparmor.rst
+
APPLE BCM5974 MULTITOUCH DRIVER
M: Henrik Rydberg <rydberg@bitmath.org>
L: linux-input@vger.kernel.org
@@ -895,6 +903,18 @@
S: Supported
F: arch/arm64/boot/dts/apm/
+APPLIED MICRO (APM) X-GENE SOC EDAC
+M: Loc Ho <lho@apm.com>
+S: Supported
+F: drivers/edac/xgene_edac.c
+F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
+
+APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER
+M: Iyappan Subramanian <isubramanian@apm.com>
+M: Keyur Chudgar <kchudgar@apm.com>
+S: Supported
+F: drivers/net/ethernet/apm/xgene-v2/
+
APPLIED MICRO (APM) X-GENE SOC ETHERNET DRIVER
M: Iyappan Subramanian <isubramanian@apm.com>
M: Keyur Chudgar <kchudgar@apm.com>
@@ -905,12 +925,6 @@
F: Documentation/devicetree/bindings/net/apm-xgene-enet.txt
F: Documentation/devicetree/bindings/net/apm-xgene-mdio.txt
-APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER
-M: Iyappan Subramanian <isubramanian@apm.com>
-M: Keyur Chudgar <kchudgar@apm.com>
-S: Supported
-F: drivers/net/ethernet/apm/xgene-v2/
-
APPLIED MICRO (APM) X-GENE SOC PMU
M: Tai Nguyen <ttnguyen@apm.com>
S: Supported
@@ -930,6 +944,12 @@
F: drivers/video/fbdev/arcfb.c
F: drivers/video/fbdev/core/fb_defio.c
+ARC PGU DRM DRIVER
+M: Alexey Brodkin <abrodkin@synopsys.com>
+S: Supported
+F: drivers/gpu/drm/arc/
+F: Documentation/devicetree/bindings/display/snps,arcpgu.txt
+
ARCNET NETWORK LAYER
M: Michael Grzeschik <m.grzeschik@pengutronix.de>
L: netdev@vger.kernel.org
@@ -937,12 +957,6 @@
F: drivers/net/arcnet/
F: include/uapi/linux/if_arcnet.h
-ARC PGU DRM DRIVER
-M: Alexey Brodkin <abrodkin@synopsys.com>
-S: Supported
-F: drivers/gpu/drm/arc/
-F: Documentation/devicetree/bindings/display/snps,arcpgu.txt
-
ARM ARCHITECTED TIMER DRIVER
M: Mark Rutland <mark.rutland@arm.com>
M: Marc Zyngier <marc.zyngier@arm.com>
@@ -995,18 +1009,17 @@
T: git git://git.armlinux.org.uk/~rmk/linux-arm.git
F: arch/arm/
-ARM SUB-ARCHITECTURES
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm/mach-*/
-F: arch/arm/plat-*/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git
-
ARM PRIMECELL AACI PL041 DRIVER
M: Russell King <linux@armlinux.org.uk>
S: Maintained
F: sound/arm/aaci.*
+ARM PRIMECELL BUS SUPPORT
+M: Russell King <linux@armlinux.org.uk>
+S: Maintained
+F: drivers/amba/
+F: include/linux/amba/bus.h
+
ARM PRIMECELL CLCD PL110 DRIVER
M: Russell King <linux@armlinux.org.uk>
S: Maintained
@@ -1030,11 +1043,22 @@
F: drivers/tty/serial/amba-pl01*.c
F: include/linux/amba/serial.h
-ARM PRIMECELL BUS SUPPORT
-M: Russell King <linux@armlinux.org.uk>
+ARM SMMU DRIVERS
+M: Will Deacon <will.deacon@arm.com>
+R: Robin Murphy <robin.murphy@arm.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/amba/
-F: include/linux/amba/bus.h
+F: drivers/iommu/arm-smmu.c
+F: drivers/iommu/arm-smmu-v3.c
+F: drivers/iommu/io-pgtable-arm.c
+F: drivers/iommu/io-pgtable-arm-v7s.c
+
+ARM SUB-ARCHITECTURES
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-*/
+F: arch/arm/plat-*/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git
ARM/ACTIONS SEMI ARCHITECTURE
M: Andreas Färber <afaerber@suse.de>
@@ -1067,6 +1091,11 @@
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+ARM/Allwinner SoC Clock Support
+M: Emilio López <emilio@elopez.com.ar>
+S: Maintained
+F: drivers/clk/sunxi/
+
ARM/Allwinner sunXi SoC support
M: Maxime Ripard <maxime.ripard@free-electrons.com>
M: Chen-Yu Tsai <wens@csie.org>
@@ -1081,10 +1110,15 @@
F: drivers/soc/sunxi/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git
-ARM/Allwinner SoC Clock Support
-M: Emilio López <emilio@elopez.com.ar>
+ARM/Amlogic Meson SoC CLOCK FRAMEWORK
+M: Neil Armstrong <narmstrong@baylibre.com>
+M: Jerome Brunet <jbrunet@baylibre.com>
+L: linux-amlogic@lists.infradead.org
S: Maintained
-F: drivers/clk/sunxi/
+F: drivers/clk/meson/
+F: include/dt-bindings/clock/meson*
+F: include/dt-bindings/clock/gxbb*
+F: Documentation/devicetree/bindings/clock/amlogic*
ARM/Amlogic Meson SoC support
M: Carlo Caione <carlo@caione.org>
@@ -1096,20 +1130,10 @@
F: arch/arm/mach-meson/
F: arch/arm/boot/dts/meson*
F: arch/arm64/boot/dts/amlogic/
-F: drivers/pinctrl/meson/
+F: drivers/pinctrl/meson/
F: drivers/mmc/host/meson*
N: meson
-ARM/Amlogic Meson SoC CLOCK FRAMEWORK
-M: Neil Armstrong <narmstrong@baylibre.com>
-M: Jerome Brunet <jbrunet@baylibre.com>
-L: linux-amlogic@lists.infradead.org
-S: Maintained
-F: drivers/clk/meson/
-F: include/dt-bindings/clock/meson*
-F: include/dt-bindings/clock/gxbb*
-F: Documentation/devicetree/bindings/clock/amlogic*
-
ARM/Annapurna Labs ALPINE ARCHITECTURE
M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
M: Antoine Tenart <antoine.tenart@free-electrons.com>
@@ -1132,6 +1156,18 @@
F: drivers/pinctrl/pinctrl-artpec*
F: Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
+ARM/ASPEED I2C DRIVER
+M: Brendan Higgins <brendanhiggins@google.com>
+R: Benjamin Herrenschmidt <benh@kernel.crashing.org>
+R: Joel Stanley <joel@jms.id.au>
+L: linux-i2c@vger.kernel.org
+L: openbmc@lists.ozlabs.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/irqchip/irq-aspeed-i2c-ic.c
+F: drivers/i2c/busses/i2c-aspeed.c
+F: Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2400-i2c-ic.txt
+F: Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
+
ARM/ASPEED MACHINE SUPPORT
M: Joel Stanley <joel@jms.id.au>
S: Maintained
@@ -1139,17 +1175,10 @@
F: arch/arm/boot/dts/aspeed-*
F: drivers/*/*aspeed*
-ARM/ASPEED I2C DRIVER
-M: Brendan Higgins <brendanhiggins@google.com>
-R: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-R: Joel Stanley <joel@jms.id.au>
-L: linux-i2c@vger.kernel.org
-L: openbmc@lists.ozlabs.org
+ARM/ATMEL AT91 Clock Support
+M: Boris Brezillon <boris.brezillon@free-electrons.com>
S: Maintained
-F: drivers/irqchip/irq-aspeed-i2c-ic.c
-F: drivers/i2c/busses/i2c-aspeed.c
-F: Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2400-i2c-ic.txt
-F: Documentation/devicetree/bindings/i2c/i2c-aspeed.txt
+F: drivers/clk/at91
ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT
M: Nicolas Ferre <nicolas.ferre@microchip.com>
@@ -1167,11 +1196,6 @@
F: arch/arm/include/debug/at91.S
F: drivers/memory/atmel*
-ARM/ATMEL AT91 Clock Support
-M: Boris Brezillon <boris.brezillon@free-electrons.com>
-S: Maintained
-F: drivers/clk/at91
-
ARM/CALXEDA HIGHBANK ARCHITECTURE
M: Rob Herring <robh@kernel.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1198,6 +1222,11 @@
S: Odd Fixes
N: clps711x
+ARM/CIRRUS LOGIC EDB9315A MACHINE SUPPORT
+M: Lennert Buytenhek <kernel@wantstofly.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+
ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE
M: Hartley Sweeten <hsweeten@visionengravers.com>
M: Alexander Sverdlin <alexander.sverdlin@gmail.com>
@@ -1206,11 +1235,6 @@
F: arch/arm/mach-ep93xx/
F: arch/arm/mach-ep93xx/include/mach/
-ARM/CIRRUS LOGIC EDB9315A MACHINE SUPPORT
-M: Lennert Buytenhek <kernel@wantstofly.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-
ARM/CLKDEV SUPPORT
M: Russell King <linux@armlinux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1224,6 +1248,13 @@
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+ARM/CONEXANT DIGICOLOR MACHINE SUPPORT
+M: Baruch Siach <baruch@tkos.co.il>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/boot/dts/cx92755*
+N: digicolor
+
ARM/CONTEC MICRO9 MACHINE SUPPORT
M: Hubert Feurstein <hubert.feurstein@contec.at>
S: Maintained
@@ -1269,13 +1300,6 @@
F: drivers/clocksource/timer-atlas7.c
N: [^a-z]sirf
-ARM/CONEXANT DIGICOLOR MACHINE SUPPORT
-M: Baruch Siach <baruch@tkos.co.il>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm/boot/dts/cx92755*
-N: digicolor
-
ARM/EBSA110 MACHINE SUPPORT
M: Russell King <linux@armlinux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1389,6 +1413,11 @@
S: Maintained
F: arch/arm/mach-pxa/colibri-pxa270-income.c
+ARM/INTEL IOP13XX ARM ARCHITECTURE
+M: Lennert Buytenhek <kernel@wantstofly.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+
ARM/INTEL IOP32X ARM ARCHITECTURE
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1398,11 +1427,6 @@
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Orphan
-ARM/INTEL IOP13XX ARM ARCHITECTURE
-M: Lennert Buytenhek <kernel@wantstofly.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-
ARM/INTEL IQ81342EX MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1437,39 +1461,6 @@
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
-M: Santosh Shilimkar <ssantosh@kernel.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm/mach-keystone/
-F: arch/arm/boot/dts/keystone-*
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git
-
-ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK
-M: Santosh Shilimkar <ssantosh@kernel.org>
-L: linux-kernel@vger.kernel.org
-S: Maintained
-F: drivers/clk/keystone/
-
-ARM/TEXAS INSTRUMENT KEYSTONE ClOCKSOURCE
-M: Santosh Shilimkar <ssantosh@kernel.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: linux-kernel@vger.kernel.org
-S: Maintained
-F: drivers/clocksource/timer-keystone.c
-
-ARM/TEXAS INSTRUMENT KEYSTONE RESET DRIVER
-M: Santosh Shilimkar <ssantosh@kernel.org>
-L: linux-kernel@vger.kernel.org
-S: Maintained
-F: drivers/power/reset/keystone-reset.c
-
-ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS
-M: Santosh Shilimkar <ssantosh@kernel.org>
-L: linux-kernel@vger.kernel.org
-S: Maintained
-F: drivers/memory/*emif*
-
ARM/LG1K ARCHITECTURE
M: Chanho Min <chanho.min@lge.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1512,6 +1503,30 @@
M: Philipp Zabel <philipp.zabel@gmail.com>
S: Maintained
+ARM/Marvell Berlin SoC support
+M: Jisheng Zhang <jszhang@marvell.com>
+M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-berlin/
+F: arch/arm/boot/dts/berlin*
+F: arch/arm64/boot/dts/marvell/berlin*
+
+ARM/Marvell Dove/MV78xx0/Orion SOC support
+M: Jason Cooper <jason@lakedaemon.net>
+M: Andrew Lunn <andrew@lunn.ch>
+M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
+M: Gregory Clement <gregory.clement@free-electrons.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/soc/dove/
+F: arch/arm/mach-dove/
+F: arch/arm/mach-mv78xx0/
+F: arch/arm/mach-orion5x/
+F: arch/arm/plat-orion/
+F: arch/arm/boot/dts/dove*
+F: arch/arm/boot/dts/orion5x*
+
ARM/Marvell Kirkwood and Armada 370, 375, 38x, 39x, XP, 3700, 7K/8K SOC support
M: Jason Cooper <jason@lakedaemon.net>
M: Andrew Lunn <andrew@lunn.ch>
@@ -1530,50 +1545,6 @@
F: drivers/pinctrl/mvebu/
F: drivers/rtc/rtc-armada38x.c
-ARM/Marvell Berlin SoC support
-M: Jisheng Zhang <jszhang@marvell.com>
-M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm/mach-berlin/
-F: arch/arm/boot/dts/berlin*
-F: arch/arm64/boot/dts/marvell/berlin*
-
-
-ARM/Marvell Dove/MV78xx0/Orion SOC support
-M: Jason Cooper <jason@lakedaemon.net>
-M: Andrew Lunn <andrew@lunn.ch>
-M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
-M: Gregory Clement <gregory.clement@free-electrons.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: Documentation/devicetree/bindings/soc/dove/
-F: arch/arm/mach-dove/
-F: arch/arm/mach-mv78xx0/
-F: arch/arm/mach-orion5x/
-F: arch/arm/plat-orion/
-F: arch/arm/boot/dts/dove*
-F: arch/arm/boot/dts/orion5x*
-
-
-ARM/Orion SoC/Technologic Systems TS-78xx platform support
-M: Alexander Clouter <alex@digriz.org.uk>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W: http://www.digriz.org.uk/ts78xx/kernel
-S: Maintained
-F: arch/arm/mach-orion5x/ts78xx-*
-
-ARM/OXNAS platform support
-M: Neil Armstrong <narmstrong@baylibre.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers)
-S: Maintained
-F: arch/arm/mach-oxnas/
-F: arch/arm/boot/dts/ox8*.dtsi
-F: arch/arm/boot/dts/wd-mbwe.dts
-F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
-N: oxnas
-
ARM/Mediatek RTC DRIVER
M: Eddie Huang <eddie.huang@mediatek.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1627,16 +1598,53 @@
F: drivers/i2c/busses/i2c-nomadik.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik.git
+ARM/NUVOTON W90X900 ARM ARCHITECTURE
+M: Wan ZongShun <mcuos.com@gmail.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+W: http://www.mcuos.com
+S: Maintained
+F: arch/arm/mach-w90x900/
+F: drivers/input/keyboard/w90p910_keypad.c
+F: drivers/input/touchscreen/w90p910_ts.c
+F: drivers/watchdog/nuc900_wdt.c
+F: drivers/net/ethernet/nuvoton/w90p910_ether.c
+F: drivers/mtd/nand/nuc900_nand.c
+F: drivers/rtc/rtc-nuc900.c
+F: drivers/spi/spi-nuc900.c
+F: drivers/usb/host/ehci-w90x900.c
+F: drivers/video/fbdev/nuc900fb.c
+
ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
M: Nelson Castillo <arhuaco@freaks-unidos.net>
L: openmoko-kernel@lists.openmoko.org (subscribers-only)
W: http://wiki.openmoko.org/wiki/Neo_FreeRunner
S: Supported
-ARM/TOSA MACHINE SUPPORT
-M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
-M: Dirk Opfer <dirk@opfer-online.de>
+ARM/Orion SoC/Technologic Systems TS-78xx platform support
+M: Alexander Clouter <alex@digriz.org.uk>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+W: http://www.digriz.org.uk/ts78xx/kernel
S: Maintained
+F: arch/arm/mach-orion5x/ts78xx-*
+
+ARM/OXNAS platform support
+M: Neil Armstrong <narmstrong@baylibre.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-oxnas@lists.tuxfamily.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-oxnas/
+F: arch/arm/boot/dts/ox8*.dtsi
+F: arch/arm/boot/dts/wd-mbwe.dts
+F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
+N: oxnas
+
+ARM/PALM TREO SUPPORT
+M: Tomas Cech <sleep_walker@suse.com>
+L: linux-arm-kernel@lists.infradead.org
+W: http://hackndev.com
+S: Maintained
+F: arch/arm/mach-pxa/include/mach/palmtreo.h
+F: arch/arm/mach-pxa/palmtreo.c
ARM/PALMTX,PALMT5,PALMLD,PALMTE2,PALMTC SUPPORT
M: Marek Vasut <marek.vasut@gmail.com>
@@ -1654,14 +1662,6 @@
F: arch/arm/mach-pxa/include/mach/palmtc.h
F: arch/arm/mach-pxa/palmtc.c
-ARM/PALM TREO SUPPORT
-M: Tomas Cech <sleep_walker@suse.com>
-L: linux-arm-kernel@lists.infradead.org
-W: http://hackndev.com
-S: Maintained
-F: arch/arm/mach-pxa/include/mach/palmtreo.h
-F: arch/arm/mach-pxa/palmtreo.c
-
ARM/PALMZ72 SUPPORT
M: Sergey Lapin <slapin@ossfans.org>
L: linux-arm-kernel@lists.infradead.org
@@ -1802,17 +1802,6 @@
S: Maintained
F: drivers/media/platform/s5p-g2d/
-ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
-M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Kamil Debski <kamil@wypas.org>
-M: Jeongtae Park <jtp.park@samsung.com>
-M: Andrzej Hajda <a.hajda@samsung.com>
-L: linux-arm-kernel@lists.infradead.org
-L: linux-media@vger.kernel.org
-S: Maintained
-F: arch/arm/plat-samsung/s5p-dev-mfc.c
-F: drivers/media/platform/s5p-mfc/
-
ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT
M: Marek Szyprowski <m.szyprowski@samsung.com>
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
@@ -1829,6 +1818,17 @@
S: Maintained
F: drivers/media/platform/s5p-jpeg/
+ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
+M: Kyungmin Park <kyungmin.park@samsung.com>
+M: Kamil Debski <kamil@wypas.org>
+M: Jeongtae Park <jtp.park@samsung.com>
+M: Andrzej Hajda <a.hajda@samsung.com>
+L: linux-arm-kernel@lists.infradead.org
+L: linux-media@vger.kernel.org
+S: Maintained
+F: arch/arm/plat-samsung/s5p-dev-mfc.c
+F: drivers/media/platform/s5p-mfc/
+
ARM/SHMOBILE ARM ARCHITECTURE
M: Simon Horman <horms@verge.net.au>
M: Magnus Damm <magnus.damm@gmail.com>
@@ -1922,26 +1922,48 @@
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
+ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS
+M: Santosh Shilimkar <ssantosh@kernel.org>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/memory/*emif*
+
+ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
+M: Santosh Shilimkar <ssantosh@kernel.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-keystone/
+F: arch/arm/boot/dts/keystone-*
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git
+
+ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK
+M: Santosh Shilimkar <ssantosh@kernel.org>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/clk/keystone/
+
+ARM/TEXAS INSTRUMENT KEYSTONE ClOCKSOURCE
+M: Santosh Shilimkar <ssantosh@kernel.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/clocksource/timer-keystone.c
+
+ARM/TEXAS INSTRUMENT KEYSTONE RESET DRIVER
+M: Santosh Shilimkar <ssantosh@kernel.org>
+L: linux-kernel@vger.kernel.org
+S: Maintained
+F: drivers/power/reset/keystone-reset.c
+
ARM/THECUS N2100 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-ARM/NUVOTON W90X900 ARM ARCHITECTURE
-M: Wan ZongShun <mcuos.com@gmail.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W: http://www.mcuos.com
+ARM/TOSA MACHINE SUPPORT
+M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+M: Dirk Opfer <dirk@opfer-online.de>
S: Maintained
-F: arch/arm/mach-w90x900/
-F: drivers/input/keyboard/w90p910_keypad.c
-F: drivers/input/touchscreen/w90p910_ts.c
-F: drivers/watchdog/nuc900_wdt.c
-F: drivers/net/ethernet/nuvoton/w90p910_ether.c
-F: drivers/mtd/nand/nuc900_nand.c
-F: drivers/rtc/rtc-nuc900.c
-F: drivers/spi/spi-nuc900.c
-F: drivers/usb/host/ehci-w90x900.c
-F: drivers/video/fbdev/nuc900fb.c
ARM/U300 MACHINE SUPPORT
M: Linus Walleij <linus.walleij@linaro.org>
@@ -2086,16 +2108,6 @@
F: drivers/mmc/host/sdhci-of-arasan.c
F: drivers/edac/synopsys_edac.c
-ARM SMMU DRIVERS
-M: Will Deacon <will.deacon@arm.com>
-R: Robin Murphy <robin.murphy@arm.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: drivers/iommu/arm-smmu.c
-F: drivers/iommu/arm-smmu-v3.c
-F: drivers/iommu/io-pgtable-arm.c
-F: drivers/iommu/io-pgtable-arm-v7s.c
-
ARM64 PORT (AARCH64 ARCHITECTURE)
M: Catalin Marinas <catalin.marinas@arm.com>
M: Will Deacon <will.deacon@arm.com>
@@ -2207,21 +2219,10 @@
S: Supported
F: drivers/net/wireless/ath/ath6kl/
-WILOCITY WIL6210 WIRELESS DRIVER
-M: Maya Erez <qca_merez@qca.qualcomm.com>
-L: linux-wireless@vger.kernel.org
-L: wil6210@qca.qualcomm.com
-S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/wil6210
-F: drivers/net/wireless/ath/wil6210/
-F: include/uapi/linux/wil6210_uapi.h
-
-CARL9170 LINUX COMMUNITY WIRELESS DRIVER
-M: Christian Lamparter <chunkeey@googlemail.com>
-L: linux-wireless@vger.kernel.org
-W: http://wireless.kernel.org/en/users/Drivers/carl9170
+ATI_REMOTE2 DRIVER
+M: Ville Syrjala <syrjala@sci.fi>
S: Maintained
-F: drivers/net/wireless/ath/carl9170/
+F: drivers/input/misc/ati_remote2.c
ATK0110 HWMON DRIVER
M: Luca Tettamanti <kronos.it@gmail.com>
@@ -2229,11 +2230,6 @@
S: Maintained
F: drivers/hwmon/asus_atk0110.c
-ATI_REMOTE2 DRIVER
-M: Ville Syrjala <syrjala@sci.fi>
-S: Maintained
-F: drivers/input/misc/ati_remote2.c
-
ATLX ETHERNET DRIVERS
M: Jay Cliburn <jcliburn@gmail.com>
M: Chris Snook <chris.snook@gmail.com>
@@ -2263,25 +2259,12 @@
S: Supported
F: drivers/power/reset/at91-sama5d2_shdwc.c
-ATMEL SAMA5D2 ADC DRIVER
-M: Ludovic Desroches <ludovic.desroches@microchip.com>
-L: linux-iio@vger.kernel.org
-S: Supported
-F: drivers/iio/adc/at91-sama5d2_adc.c
-
ATMEL Audio ALSA driver
M: Nicolas Ferre <nicolas.ferre@microchip.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/atmel
-ATMEL XDMA DRIVER
-M: Ludovic Desroches <ludovic.desroches@microchip.com>
-L: linux-arm-kernel@lists.infradead.org
-L: dmaengine@vger.kernel.org
-S: Supported
-F: drivers/dma/at_xdmac.c
-
ATMEL I2C DRIVER
M: Ludovic Desroches <ludovic.desroches@microchip.com>
L: linux-i2c@vger.kernel.org
@@ -2307,6 +2290,14 @@
S: Supported
F: drivers/net/ethernet/cadence/
+ATMEL MAXTOUCH DRIVER
+M: Nick Dyer <nick@shmanahar.org>
+T: git git://github.com/ndyer/linux.git
+S: Maintained
+F: Documentation/devicetree/bindings/input/atmel,maxtouch.txt
+F: drivers/input/touchscreen/atmel_mxt_ts.c
+F: include/linux/platform_data/atmel_mxt_ts.h
+
ATMEL NAND DRIVER
M: Wenyou Yang <wenyou.yang@atmel.com>
M: Josh Wu <rainyfeeling@outlook.com>
@@ -2314,6 +2305,12 @@
S: Supported
F: drivers/mtd/nand/atmel/*
+ATMEL SAMA5D2 ADC DRIVER
+M: Ludovic Desroches <ludovic.desroches@microchip.com>
+L: linux-iio@vger.kernel.org
+S: Supported
+F: drivers/iio/adc/at91-sama5d2_adc.c
+
ATMEL SDMMC DRIVER
M: Ludovic Desroches <ludovic.desroches@microchip.com>
L: linux-mmc@vger.kernel.org
@@ -2353,13 +2350,12 @@
S: Maintained
F: drivers/net/wireless/atmel/atmel*
-ATMEL MAXTOUCH DRIVER
-M: Nick Dyer <nick@shmanahar.org>
-T: git git://github.com/ndyer/linux.git
-S: Maintained
-F: Documentation/devicetree/bindings/input/atmel,maxtouch.txt
-F: drivers/input/touchscreen/atmel_mxt_ts.c
-F: include/linux/platform_data/atmel_mxt_ts.h
+ATMEL XDMA DRIVER
+M: Ludovic Desroches <ludovic.desroches@microchip.com>
+L: linux-arm-kernel@lists.infradead.org
+L: dmaengine@vger.kernel.org
+S: Supported
+F: drivers/dma/at_xdmac.c
ATOMIC INFRASTRUCTURE
M: Will Deacon <will.deacon@arm.com>
@@ -2413,13 +2409,6 @@
F: include/net/ax25.h
F: net/ax25/
-AXENTIA ASOC DRIVERS
-M: Peter Rosin <peda@axentia.se>
-L: alsa-devel@alsa-project.org (moderated for non-subscribers)
-S: Maintained
-F: Documentation/devicetree/bindings/sound/axentia,*
-F: sound/soc/atmel/tse850-pcm5142.c
-
AXENTIA ARM DEVICES
M: Peter Rosin <peda@axentia.se>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -2428,6 +2417,13 @@
F: arch/arm/boot/dts/at91-linea.dtsi
F: arch/arm/boot/dts/at91-tse850-3.dts
+AXENTIA ASOC DRIVERS
+M: Peter Rosin <peda@axentia.se>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/sound/axentia,*
+F: sound/soc/atmel/tse850-pcm5142.c
+
AZ6007 DVB DRIVER
M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
M: Mauro Carvalho Chehab <mchehab@kernel.org>
@@ -2507,13 +2503,11 @@
S: Supported
F: drivers/media/platform/sti/bdisp
-DELTA ST MEDIA DRIVER
-M: Hugues Fruchet <hugues.fruchet@st.com>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-W: https://linuxtv.org
-S: Supported
-F: drivers/media/platform/sti/delta
+BECKHOFF CX5020 ETHERCAT MASTER DRIVER
+M: Dariusz Marcinkiewicz <reksio@newterm.pl>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/ec_bhf.c
BEFS FILE SYSTEM
M: Luis de Bethencourt <luisbg@kernel.org>
@@ -2523,11 +2517,13 @@
F: Documentation/filesystems/befs.txt
F: fs/befs/
-BECKHOFF CX5020 ETHERCAT MASTER DRIVER
-M: Dariusz Marcinkiewicz <reksio@newterm.pl>
-L: netdev@vger.kernel.org
+BFQ I/O SCHEDULER
+M: Paolo Valente <paolo.valente@linaro.org>
+M: Jens Axboe <axboe@kernel.dk>
+L: linux-block@vger.kernel.org
S: Maintained
-F: drivers/net/ethernet/ec_bhf.c
+F: block/bfq-*
+F: Documentation/block/bfq-iosched.txt
BFS FILE SYSTEM
M: "Tigran A. Aivazian" <aivazian.tigran@gmail.com>
@@ -2550,6 +2546,22 @@
S: Supported
F: drivers/net/ethernet/adi/
+BLACKFIN I2C TWI DRIVER
+M: Sonic Zhang <sonic.zhang@analog.com>
+L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
+W: http://blackfin.uclinux.org/
+S: Supported
+F: drivers/i2c/busses/i2c-bfin-twi.c
+
+BLACKFIN MEDIA DRIVER
+M: Scott Jiang <scott.jiang.linux@gmail.com>
+L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
+W: http://blackfin.uclinux.org/
+S: Supported
+F: drivers/media/platform/blackfin/
+F: drivers/media/i2c/adv7183*
+F: drivers/media/i2c/vs6624*
+
BLACKFIN RTC DRIVER
L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
W: http://blackfin.uclinux.org
@@ -2576,22 +2588,6 @@
S: Supported
F: drivers/watchdog/bfin_wdt.c
-BLACKFIN I2C TWI DRIVER
-M: Sonic Zhang <sonic.zhang@analog.com>
-L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
-W: http://blackfin.uclinux.org/
-S: Supported
-F: drivers/i2c/busses/i2c-bfin-twi.c
-
-BLACKFIN MEDIA DRIVER
-M: Scott Jiang <scott.jiang.linux@gmail.com>
-L: adi-buildroot-devel@lists.sourceforge.net (moderated for non-subscribers)
-W: http://blackfin.uclinux.org/
-S: Supported
-F: drivers/media/platform/blackfin/
-F: drivers/media/i2c/adv7183*
-F: drivers/media/i2c/vs6624*
-
BLINKM RGB LED DRIVER
M: Jan-Simon Moeller <jansimon.moeller@gmx.de>
S: Maintained
@@ -2606,14 +2602,6 @@
F: kernel/trace/blktrace.c
F: lib/sbitmap.c
-BFQ I/O SCHEDULER
-M: Paolo Valente <paolo.valente@linaro.org>
-M: Jens Axboe <axboe@kernel.dk>
-L: linux-block@vger.kernel.org
-S: Maintained
-F: block/bfq-*
-F: Documentation/block/bfq-iosched.txt
-
BLOCK2MTD DRIVER
M: Joern Engel <joern@lazybastard.org>
L: linux-mtd@lists.infradead.org
@@ -2643,21 +2631,6 @@
F: net/bluetooth/
F: include/net/bluetooth/
-DMA MAPPING HELPERS
-M: Christoph Hellwig <hch@lst.de>
-M: Marek Szyprowski <m.szyprowski@samsung.com>
-R: Robin Murphy <robin.murphy@arm.com>
-L: linux-kernel@vger.kernel.org
-T: git git://git.infradead.org/users/hch/dma-mapping.git
-W: http://git.infradead.org/users/hch/dma-mapping.git
-S: Supported
-F: lib/dma-debug.c
-F: lib/dma-noop.c
-F: lib/dma-virt.c
-F: drivers/base/dma-mapping.c
-F: drivers/base/dma-coherent.c
-F: include/linux/dma-mapping.h
-
BONDING DRIVER
M: Jay Vosburgh <j.vosburgh@gmail.com>
M: Veaceslav Falico <vfalico@gmail.com>
@@ -2705,35 +2678,6 @@
F: drivers/net/dsa/b53/*
F: include/linux/platform_data/b53.h
-BROADCOM GENET ETHERNET DRIVER
-M: Florian Fainelli <f.fainelli@gmail.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/broadcom/genet/
-
-BROADCOM BNX2 GIGABIT ETHERNET DRIVER
-M: Rasesh Mody <rasesh.mody@cavium.com>
-M: Harish Patil <harish.patil@cavium.com>
-M: Dept-GELinuxNICDev@cavium.com
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/broadcom/bnx2.*
-F: drivers/net/ethernet/broadcom/bnx2_*
-
-BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
-M: Yuval Mintz <Yuval.Mintz@cavium.com>
-M: Ariel Elior <ariel.elior@cavium.com>
-M: everest-linux-l2@cavium.com
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/broadcom/bnx2x/
-
-BROADCOM BNXT_EN 50 GIGABIT ETHERNET DRIVER
-M: Michael Chan <michael.chan@broadcom.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/broadcom/bnxt/
-
BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE
M: Florian Fainelli <f.fainelli@gmail.com>
M: Ray Jui <rjui@broadcom.com>
@@ -2812,6 +2756,13 @@
F: drivers/bus/brcmstb_gisb.c
N: brcmstb
+BROADCOM BMIPS CPUFREQ DRIVER
+M: Markus Mayer <mmayer@broadcom.com>
+M: bcm-kernel-feedback-list@broadcom.com
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: drivers/cpufreq/bmips-cpufreq.c
+
BROADCOM BMIPS MIPS ARCHITECTURE
M: Kevin Cernekee <cernekee@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
@@ -2828,20 +2779,40 @@
F: include/linux/bcm963xx_nvram.h
F: include/linux/bcm963xx_tag.h
-BROADCOM BMIPS CPUFREQ DRIVER
-M: Markus Mayer <mmayer@broadcom.com>
-M: bcm-kernel-feedback-list@broadcom.com
-L: linux-pm@vger.kernel.org
-S: Maintained
-F: drivers/cpufreq/bmips-cpufreq.c
-
-BROADCOM TG3 GIGABIT ETHERNET DRIVER
-M: Siva Reddy Kallam <siva.kallam@broadcom.com>
-M: Prashant Sreedharan <prashant@broadcom.com>
-M: Michael Chan <mchan@broadcom.com>
+BROADCOM BNX2 GIGABIT ETHERNET DRIVER
+M: Rasesh Mody <rasesh.mody@cavium.com>
+M: Harish Patil <harish.patil@cavium.com>
+M: Dept-GELinuxNICDev@cavium.com
L: netdev@vger.kernel.org
S: Supported
-F: drivers/net/ethernet/broadcom/tg3.*
+F: drivers/net/ethernet/broadcom/bnx2.*
+F: drivers/net/ethernet/broadcom/bnx2_*
+
+BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER
+M: QLogic-Storage-Upstream@qlogic.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/bnx2fc/
+
+BROADCOM BNX2I 1/10 GIGABIT iSCSI DRIVER
+M: QLogic-Storage-Upstream@qlogic.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/bnx2i/
+
+BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
+M: Yuval Mintz <Yuval.Mintz@cavium.com>
+M: Ariel Elior <ariel.elior@cavium.com>
+M: everest-linux-l2@cavium.com
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/bnx2x/
+
+BROADCOM BNXT_EN 50 GIGABIT ETHERNET DRIVER
+M: Michael Chan <michael.chan@broadcom.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/bnxt/
BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER
M: Arend van Spriel <arend.vanspriel@broadcom.com>
@@ -2855,17 +2826,18 @@
S: Supported
F: drivers/net/wireless/broadcom/brcm80211/
-BROADCOM BNX2FC 10 GIGABIT FCOE DRIVER
-M: QLogic-Storage-Upstream@qlogic.com
-L: linux-scsi@vger.kernel.org
+BROADCOM BRCMSTB GPIO DRIVER
+M: Gregory Fong <gregory.0xf0@gmail.com>
+L: bcm-kernel-feedback-list@broadcom.com
S: Supported
-F: drivers/scsi/bnx2fc/
+F: drivers/gpio/gpio-brcmstb.c
+F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt
-BROADCOM BNX2I 1/10 GIGABIT iSCSI DRIVER
-M: QLogic-Storage-Upstream@qlogic.com
-L: linux-scsi@vger.kernel.org
+BROADCOM GENET ETHERNET DRIVER
+M: Florian Fainelli <f.fainelli@gmail.com>
+L: netdev@vger.kernel.org
S: Supported
-F: drivers/scsi/bnx2i/
+F: drivers/net/ethernet/broadcom/genet/
BROADCOM IPROC ARM ARCHITECTURE
M: Ray Jui <rjui@broadcom.com>
@@ -2892,13 +2864,6 @@
F: drivers/clk/bcm/clk-ns*
F: drivers/pinctrl/bcm/pinctrl-ns*
-BROADCOM BRCMSTB GPIO DRIVER
-M: Gregory Fong <gregory.0xf0@gmail.com>
-L: bcm-kernel-feedback-list@broadcom.com
-S: Supported
-F: drivers/gpio/gpio-brcmstb.c
-F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt
-
BROADCOM KONA GPIO DRIVER
M: Ray Jui <rjui@broadcom.com>
L: bcm-kernel-feedback-list@broadcom.com
@@ -2906,41 +2871,6 @@
F: drivers/gpio/gpio-bcm-kona.c
F: Documentation/devicetree/bindings/gpio/brcm,kona-gpio.txt
-BROADCOM NVRAM DRIVER
-M: Rafał Miłecki <zajec5@gmail.com>
-L: linux-mips@linux-mips.org
-S: Maintained
-F: drivers/firmware/broadcom/*
-
-BROADCOM STB NAND FLASH DRIVER
-M: Brian Norris <computersforpeace@gmail.com>
-M: Kamal Dasu <kdasu.kdev@gmail.com>
-L: linux-mtd@lists.infradead.org
-L: bcm-kernel-feedback-list@broadcom.com
-S: Maintained
-F: drivers/mtd/nand/brcmnand/
-
-BROADCOM STB AVS CPUFREQ DRIVER
-M: Markus Mayer <mmayer@broadcom.com>
-M: bcm-kernel-feedback-list@broadcom.com
-L: linux-pm@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt
-F: drivers/cpufreq/brcmstb*
-
-BROADCOM SPECIFIC AMBA DRIVER (BCMA)
-M: Rafał Miłecki <zajec5@gmail.com>
-L: linux-wireless@vger.kernel.org
-S: Maintained
-F: drivers/bcma/
-F: include/linux/bcma/
-
-BROADCOM SYSTEMPORT ETHERNET DRIVER
-M: Florian Fainelli <f.fainelli@gmail.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/broadcom/bcmsysport.*
-
BROADCOM NETXTREME-E ROCE DRIVER
M: Selvin Xavier <selvin.xavier@broadcom.com>
M: Devesh Sharma <devesh.sharma@broadcom.com>
@@ -2952,6 +2882,49 @@
F: drivers/infiniband/hw/bnxt_re/
F: include/uapi/rdma/bnxt_re-abi.h
+BROADCOM NVRAM DRIVER
+M: Rafał Miłecki <zajec5@gmail.com>
+L: linux-mips@linux-mips.org
+S: Maintained
+F: drivers/firmware/broadcom/*
+
+BROADCOM SPECIFIC AMBA DRIVER (BCMA)
+M: Rafał Miłecki <zajec5@gmail.com>
+L: linux-wireless@vger.kernel.org
+S: Maintained
+F: drivers/bcma/
+F: include/linux/bcma/
+
+BROADCOM STB AVS CPUFREQ DRIVER
+M: Markus Mayer <mmayer@broadcom.com>
+M: bcm-kernel-feedback-list@broadcom.com
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt
+F: drivers/cpufreq/brcmstb*
+
+BROADCOM STB NAND FLASH DRIVER
+M: Brian Norris <computersforpeace@gmail.com>
+M: Kamal Dasu <kdasu.kdev@gmail.com>
+L: linux-mtd@lists.infradead.org
+L: bcm-kernel-feedback-list@broadcom.com
+S: Maintained
+F: drivers/mtd/nand/brcmnand/
+
+BROADCOM SYSTEMPORT ETHERNET DRIVER
+M: Florian Fainelli <f.fainelli@gmail.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/bcmsysport.*
+
+BROADCOM TG3 GIGABIT ETHERNET DRIVER
+M: Siva Reddy Kallam <siva.kallam@broadcom.com>
+M: Prashant Sreedharan <prashant@broadcom.com>
+M: Michael Chan <mchan@broadcom.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/tg3.*
+
BROCADE BFA FC SCSI DRIVER
M: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
M: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
@@ -3013,6 +2986,15 @@
F: Documentation/media/v4l-drivers/bttv*
F: drivers/media/pci/bt8xx/bttv*
+BUS FREQUENCY DRIVER FOR SAMSUNG EXYNOS
+M: Chanwoo Choi <cw00.choi@samsung.com>
+L: linux-pm@vger.kernel.org
+L: linux-samsung-soc@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
+S: Maintained
+F: drivers/devfreq/exynos-bus.c
+F: Documentation/devicetree/bindings/devfreq/exynos-bus.txt
+
BUSLOGIC SCSI DRIVER
M: Khalid Aziz <khalid@gonehiking.org>
L: linux-scsi@vger.kernel.org
@@ -3087,6 +3069,21 @@
F: arch/x86/include/asm/calgary.h
F: arch/x86/include/asm/tce.h
+CAN NETWORK DRIVERS
+M: Wolfgang Grandegger <wg@grandegger.com>
+M: Marc Kleine-Budde <mkl@pengutronix.de>
+L: linux-can@vger.kernel.org
+W: https://github.com/linux-can
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
+S: Maintained
+F: Documentation/devicetree/bindings/net/can/
+F: drivers/net/can/
+F: include/linux/can/dev.h
+F: include/linux/can/platform/
+F: include/uapi/linux/can/error.h
+F: include/uapi/linux/can/netlink.h
+
CAN NETWORK LAYER
M: Oliver Hartkopp <socketcan@hartkopp.net>
M: Marc Kleine-Budde <mkl@pengutronix.de>
@@ -3103,21 +3100,6 @@
F: include/uapi/linux/can/raw.h
F: include/uapi/linux/can/gw.h
-CAN NETWORK DRIVERS
-M: Wolfgang Grandegger <wg@grandegger.com>
-M: Marc Kleine-Budde <mkl@pengutronix.de>
-L: linux-can@vger.kernel.org
-W: https://github.com/linux-can
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
-S: Maintained
-F: Documentation/devicetree/bindings/net/can/
-F: drivers/net/can/
-F: include/linux/can/dev.h
-F: include/linux/can/platform/
-F: include/uapi/linux/can/error.h
-F: include/uapi/linux/can/netlink.h
-
CAPABILITIES
M: Serge Hallyn <serge@hallyn.com>
L: linux-security-module@vger.kernel.org
@@ -3132,12 +3114,12 @@
S: Maintained
F: drivers/iio/light/cm*
-CAVIUM THUNDERX2 ARM64 SOC
-M: Jayachandran C <jnair@caviumnetworks.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+CARL9170 LINUX COMMUNITY WIRELESS DRIVER
+M: Christian Lamparter <chunkeey@googlemail.com>
+L: linux-wireless@vger.kernel.org
+W: http://wireless.kernel.org/en/users/Drivers/carl9170
S: Maintained
-F: arch/arm64/boot/dts/cavium/thunder2-99xx*
-F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt
+F: drivers/net/wireless/ath/carl9170/
CAVIUM I2C DRIVER
M: Jan Glauber <jglauber@cavium.com>
@@ -3147,6 +3129,16 @@
F: drivers/i2c/busses/i2c-octeon*
F: drivers/i2c/busses/i2c-thunderx*
+CAVIUM LIQUIDIO NETWORK DRIVER
+M: Derek Chickles <derek.chickles@caviumnetworks.com>
+M: Satanand Burla <satananda.burla@caviumnetworks.com>
+M: Felix Manlunas <felix.manlunas@caviumnetworks.com>
+M: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
+L: netdev@vger.kernel.org
+W: http://www.cavium.com
+S: Supported
+F: drivers/net/ethernet/cavium/liquidio/
+
CAVIUM MMC DRIVER
M: Jan Glauber <jglauber@cavium.com>
M: David Daney <david.daney@cavium.com>
@@ -3155,16 +3147,6 @@
S: Supported
F: drivers/mmc/host/cavium*
-CAVIUM LIQUIDIO NETWORK DRIVER
-M: Derek Chickles <derek.chickles@caviumnetworks.com>
-M: Satanand Burla <satananda.burla@caviumnetworks.com>
-M: Felix Manlunas <felix.manlunas@caviumnetworks.com>
-M: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
-L: netdev@vger.kernel.org
-W: http://www.cavium.com
-S: Supported
-F: drivers/net/ethernet/cavium/liquidio/
-
CAVIUM OCTEON-TX CRYPTO DRIVER
M: George Cherian <george.cherian@cavium.com>
L: linux-crypto@vger.kernel.org
@@ -3172,6 +3154,13 @@
S: Supported
F: drivers/crypto/cavium/cpt/
+CAVIUM THUNDERX2 ARM64 SOC
+M: Jayachandran C <jnair@caviumnetworks.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm64/boot/dts/cavium/thunder2-99xx*
+F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt
+
CC2520 IEEE-802.15.4 RADIO DRIVER
M: Varka Bhadram <varkabhadram@gmail.com>
L: linux-wpan@vger.kernel.org
@@ -3260,12 +3249,6 @@
F: drivers/usb/wusbcore/
F: include/linux/usb/wusb*
-HT16K33 LED CONTROLLER DRIVER
-M: Robin van der Gracht <robin@protonic.nl>
-S: Maintained
-F: drivers/auxdisplay/ht16k33.c
-F: Documentation/devicetree/bindings/display/ht16k33.txt
-
CFAG12864B LCD DRIVER
M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
W: http://miguelojeda.es/auxdisplay.htm
@@ -3337,6 +3320,34 @@
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform.git
F: drivers/platform/chrome/
+CIRRUS LOGIC AUDIO CODEC DRIVERS
+M: Brian Austin <brian.austin@cirrus.com>
+M: Paul Handrigan <Paul.Handrigan@cirrus.com>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: sound/soc/codecs/cs*
+
+CIRRUS LOGIC EP93XX ETHERNET DRIVER
+M: Hartley Sweeten <hsweeten@visionengravers.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/cirrus/ep93xx_eth.c
+
+CISCO FCOE HBA DRIVER
+M: Satish Kharat <satishkh@cisco.com>
+M: Sesidhar Baddela <sebaddel@cisco.com>
+M: Karan Tilak Kumar <kartilak@cisco.com>
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/fnic/
+
+CISCO SCSI HBA DRIVER
+M: Karan Tilak Kumar <kartilak@cisco.com>
+M: Sesidhar Baddela <sebaddel@cisco.com>
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/snic/
+
CISCO VIC ETHERNET NIC DRIVER
M: Christian Benvenuti <benve@cisco.com>
M: Govindarajulu Varadarajan <_govind@gmx.com>
@@ -3350,19 +3361,6 @@
S: Supported
F: drivers/infiniband/hw/usnic/
-CIRRUS LOGIC EP93XX ETHERNET DRIVER
-M: Hartley Sweeten <hsweeten@visionengravers.com>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/cirrus/ep93xx_eth.c
-
-CIRRUS LOGIC AUDIO CODEC DRIVERS
-M: Brian Austin <brian.austin@cirrus.com>
-M: Paul Handrigan <Paul.Handrigan@cirrus.com>
-L: alsa-devel@alsa-project.org (moderated for non-subscribers)
-S: Maintained
-F: sound/soc/codecs/cs*
-
CLEANCACHE API
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
L: linux-kernel@vger.kernel.org
@@ -3384,21 +3382,6 @@
S: Supported
F: drivers/clocksource
-CISCO FCOE HBA DRIVER
-M: Satish Kharat <satishkh@cisco.com>
-M: Sesidhar Baddela <sebaddel@cisco.com>
-M: Karan Tilak Kumar <kartilak@cisco.com>
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: drivers/scsi/fnic/
-
-CISCO SCSI HBA DRIVER
-M: Karan Tilak Kumar <kartilak@cisco.com>
-M: Sesidhar Baddela <sebaddel@cisco.com>
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: drivers/scsi/snic/
-
CMPC ACPI DRIVER
M: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
M: Daniel Oliveira Nascimento <don@syst.com.br>
@@ -3474,18 +3457,18 @@
S: Maintained
F: drivers/pci/hotplug/cpci_hotplug*
-COMPACTPCI HOTPLUG ZIATECH ZT5550 DRIVER
-M: Scott Murray <scott@spiteful.org>
-L: linux-pci@vger.kernel.org
-S: Maintained
-F: drivers/pci/hotplug/cpcihp_zt5550.*
-
COMPACTPCI HOTPLUG GENERIC DRIVER
M: Scott Murray <scott@spiteful.org>
L: linux-pci@vger.kernel.org
S: Maintained
F: drivers/pci/hotplug/cpcihp_generic.c
+COMPACTPCI HOTPLUG ZIATECH ZT5550 DRIVER
+M: Scott Murray <scott@spiteful.org>
+L: linux-pci@vger.kernel.org
+S: Maintained
+F: drivers/pci/hotplug/cpcihp_zt5550.*
+
COMPAL LAPTOP SUPPORT
M: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
L: platform-driver-x86@vger.kernel.org
@@ -3587,6 +3570,18 @@
F: drivers/cpufreq/arm_big_little.c
F: drivers/cpufreq/arm_big_little_dt.c
+CPU POWER MONITORING SUBSYSTEM
+M: Thomas Renninger <trenn@suse.com>
+L: linux-pm@vger.kernel.org
+S: Maintained
+F: tools/power/cpupower/
+
+CPUID/MSR DRIVER
+M: "H. Peter Anvin" <hpa@zytor.com>
+S: Maintained
+F: arch/x86/kernel/cpuid.c
+F: arch/x86/kernel/msr.c
+
CPUIDLE DRIVER - ARM BIG LITTLE
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
M: Daniel Lezcano <daniel.lezcano@linaro.org>
@@ -3616,18 +3611,6 @@
F: drivers/cpuidle/*
F: include/linux/cpuidle.h
-CPUID/MSR DRIVER
-M: "H. Peter Anvin" <hpa@zytor.com>
-S: Maintained
-F: arch/x86/kernel/cpuid.c
-F: arch/x86/kernel/msr.c
-
-CPU POWER MONITORING SUBSYSTEM
-M: Thomas Renninger <trenn@suse.com>
-L: linux-pm@vger.kernel.org
-S: Maintained
-F: tools/power/cpupower/
-
CRAMFS FILESYSTEM
W: http://sourceforge.net/projects/cramfs/
S: Orphan / Obsolete
@@ -3757,6 +3740,13 @@
F: drivers/infiniband/hw/cxgb3/
F: include/uapi/rdma/cxgb3-abi.h
+CXGB4 CRYPTO DRIVER (chcr)
+M: Harsh Jain <harsh@chelsio.com>
+L: linux-crypto@vger.kernel.org
+W: http://www.chelsio.com
+S: Supported
+F: drivers/crypto/chelsio
+
CXGB4 ETHERNET DRIVER (CXGB4)
M: Ganesh Goudar <ganeshgr@chelsio.com>
L: netdev@vger.kernel.org
@@ -3779,13 +3769,6 @@
F: drivers/infiniband/hw/cxgb4/
F: include/uapi/rdma/cxgb4-abi.h
-CXGB4 CRYPTO DRIVER (chcr)
-M: Harsh Jain <harsh@chelsio.com>
-L: linux-crypto@vger.kernel.org
-W: http://www.chelsio.com
-S: Supported
-F: drivers/crypto/chelsio
-
CXGB4VF ETHERNET DRIVER (CXGB4VF)
M: Casey Leedom <leedom@chelsio.com>
L: netdev@vger.kernel.org
@@ -3815,14 +3798,6 @@
F: include/uapi/scsi/cxlflash_ioctls.h
F: Documentation/powerpc/cxlflash.txt
-STMMAC ETHERNET DRIVER
-M: Giuseppe Cavallaro <peppe.cavallaro@st.com>
-M: Alexandre Torgue <alexandre.torgue@st.com>
-L: netdev@vger.kernel.org
-W: http://www.stlinux.com
-S: Supported
-F: drivers/net/ethernet/stmicro/stmmac/
-
CYBERPRO FB DRIVER
M: Russell King <linux@armlinux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -3946,16 +3921,16 @@
S: Maintained
F: drivers/platform/x86/dell-laptop.c
-DELL LAPTOP RBTN DRIVER
-M: Pali Rohár <pali.rohar@gmail.com>
-S: Maintained
-F: drivers/platform/x86/dell-rbtn.*
-
DELL LAPTOP FREEFALL DRIVER
M: Pali Rohár <pali.rohar@gmail.com>
S: Maintained
F: drivers/platform/x86/dell-smo8800.c
+DELL LAPTOP RBTN DRIVER
+M: Pali Rohár <pali.rohar@gmail.com>
+S: Maintained
+F: drivers/platform/x86/dell-rbtn.*
+
DELL LAPTOP SMM DRIVER
M: Pali Rohár <pali.rohar@gmail.com>
S: Maintained
@@ -3974,6 +3949,14 @@
S: Maintained
F: drivers/platform/x86/dell-wmi.c
+DELTA ST MEDIA DRIVER
+M: Hugues Fruchet <hugues.fruchet@st.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
+S: Supported
+F: drivers/media/platform/sti/delta
+
DENALI NAND DRIVER
M: Masahiro Yamada <yamada.masahiro@socionext.com>
L: linux-mtd@lists.infradead.org
@@ -4028,15 +4011,6 @@
F: include/linux/devfreq-event.h
F: Documentation/devicetree/bindings/devfreq/event/
-BUS FREQUENCY DRIVER FOR SAMSUNG EXYNOS
-M: Chanwoo Choi <cw00.choi@samsung.com>
-L: linux-pm@vger.kernel.org
-L: linux-samsung-soc@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq.git
-S: Maintained
-F: drivers/devfreq/exynos-bus.c
-F: Documentation/devicetree/bindings/devfreq/exynos-bus.txt
-
DEVICE NUMBER REGISTRY
M: Torben Mathiasen <device@lanana.org>
W: http://lanana.org/docs/device-list/index.html
@@ -4186,20 +4160,6 @@
F: Documentation/driver-api/dma-buf.rst
T: git git://anongit.freedesktop.org/drm/drm-misc
-SYNC FILE FRAMEWORK
-M: Sumit Semwal <sumit.semwal@linaro.org>
-R: Gustavo Padovan <gustavo@padovan.org>
-S: Maintained
-L: linux-media@vger.kernel.org
-L: dri-devel@lists.freedesktop.org
-F: drivers/dma-buf/sync_*
-F: drivers/dma-buf/dma-fence*
-F: drivers/dma-buf/sw_sync.c
-F: include/linux/sync_file.h
-F: include/uapi/linux/sync_file.h
-F: Documentation/sync_file.txt
-T: git git://anongit.freedesktop.org/drm/drm-misc
-
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
M: Vinod Koul <vinod.koul@intel.com>
L: dmaengine@vger.kernel.org
@@ -4211,6 +4171,21 @@
F: Documentation/dmaengine/
T: git git://git.infradead.org/users/vkoul/slave-dma.git
+DMA MAPPING HELPERS
+M: Christoph Hellwig <hch@lst.de>
+M: Marek Szyprowski <m.szyprowski@samsung.com>
+R: Robin Murphy <robin.murphy@arm.com>
+L: linux-kernel@vger.kernel.org
+T: git git://git.infradead.org/users/hch/dma-mapping.git
+W: http://git.infradead.org/users/hch/dma-mapping.git
+S: Supported
+F: lib/dma-debug.c
+F: lib/dma-noop.c
+F: lib/dma-virt.c
+F: drivers/base/dma-mapping.c
+F: drivers/base/dma-coherent.c
+F: include/linux/dma-mapping.h
+
DME1737 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@gmail.com>
L: linux-hwmon@vger.kernel.org
@@ -4241,6 +4216,13 @@
X: Documentation/media
T: git git://git.lwn.net/linux.git docs-next
+DONGWOON DW9714 LENS VOICE COIL DRIVER
+M: Sakari Ailus <sakari.ailus@linux.intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/dw9714.c
+
DOUBLETALK DRIVER
M: "James R. Van Zandt" <jrv@vanzandt.mv.com>
L: blinux-list@redhat.com
@@ -4292,6 +4274,126 @@
F: include/linux/kobj*
F: lib/kobj*
+DRIVERS FOR ADAPTIVE VOLTAGE SCALING (AVS)
+M: Kevin Hilman <khilman@kernel.org>
+M: Nishanth Menon <nm@ti.com>
+S: Maintained
+F: drivers/power/avs/
+F: include/linux/power/smartreflex.h
+L: linux-pm@vger.kernel.org
+
+DRM DRIVER FOR ARM PL111 CLCD
+M: Eric Anholt <eric@anholt.net>
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Supported
+F: drivers/gpu/drm/pl111/
+
+DRM DRIVER FOR AST SERVER GRAPHICS CHIPS
+M: Dave Airlie <airlied@redhat.com>
+S: Odd Fixes
+F: drivers/gpu/drm/ast/
+
+DRM DRIVER FOR BOCHS VIRTUAL GPU
+M: Gerd Hoffmann <kraxel@redhat.com>
+L: virtualization@lists.linux-foundation.org
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/bochs/
+
+DRM DRIVER FOR INTEL I810 VIDEO CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/i810/
+F: include/uapi/drm/i810_drm.h
+
+DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/mga/
+F: include/uapi/drm/mga_drm.h
+
+DRM DRIVER FOR MGA G200 SERVER GRAPHICS CHIPS
+M: Dave Airlie <airlied@redhat.com>
+S: Odd Fixes
+F: drivers/gpu/drm/mgag200/
+
+DRM DRIVER FOR MI0283QT
+M: Noralf Trønnes <noralf@tronnes.org>
+S: Maintained
+F: drivers/gpu/drm/tinydrm/mi0283qt.c
+F: Documentation/devicetree/bindings/display/multi-inno,mi0283qt.txt
+
+DRM DRIVER FOR MSM ADRENO GPU
+M: Rob Clark <robdclark@gmail.com>
+L: linux-arm-msm@vger.kernel.org
+L: dri-devel@lists.freedesktop.org
+L: freedreno@lists.freedesktop.org
+T: git git://people.freedesktop.org/~robclark/linux
+S: Maintained
+F: drivers/gpu/drm/msm/
+F: include/uapi/drm/msm_drm.h
+F: Documentation/devicetree/bindings/display/msm/
+
+DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS
+M: Ben Skeggs <bskeggs@redhat.com>
+L: dri-devel@lists.freedesktop.org
+L: nouveau@lists.freedesktop.org
+T: git git://github.com/skeggsb/linux
+S: Supported
+F: drivers/gpu/drm/nouveau/
+F: include/uapi/drm/nouveau_drm.h
+
+DRM DRIVER FOR QEMU'S CIRRUS DEVICE
+M: Dave Airlie <airlied@redhat.com>
+M: Gerd Hoffmann <kraxel@redhat.com>
+L: virtualization@lists.linux-foundation.org
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Obsolete
+W: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
+F: drivers/gpu/drm/cirrus/
+
+DRM DRIVER FOR QXL VIRTUAL GPU
+M: Dave Airlie <airlied@redhat.com>
+M: Gerd Hoffmann <kraxel@redhat.com>
+L: virtualization@lists.linux-foundation.org
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/qxl/
+F: include/uapi/drm/qxl_drm.h
+
+DRM DRIVER FOR RAGE 128 VIDEO CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/r128/
+F: include/uapi/drm/r128_drm.h
+
+DRM DRIVER FOR SAVAGE VIDEO CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/savage/
+F: include/uapi/drm/savage_drm.h
+
+DRM DRIVER FOR SIS VIDEO CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/sis/
+F: include/uapi/drm/sis_drm.h
+
+DRM DRIVER FOR TDFX VIDEO CARDS
+S: Orphan / Obsolete
+F: drivers/gpu/drm/tdfx/
+
+DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS
+M: Dave Airlie <airlied@redhat.com>
+S: Odd Fixes
+F: drivers/gpu/drm/udl/
+
+DRM DRIVER FOR VMWARE VIRTUAL GPU
+M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
+M: Sinclair Yeh <syeh@vmware.com>
+M: Thomas Hellstrom <thellstrom@vmware.com>
+L: dri-devel@lists.freedesktop.org
+T: git git://people.freedesktop.org/~syeh/repos_linux
+T: git git://people.freedesktop.org/~thomash/linux
+S: Supported
+F: drivers/gpu/drm/vmwgfx/
+F: include/uapi/drm/vmwgfx_drm.h
+
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
L: dri-devel@lists.freedesktop.org
@@ -4323,95 +4425,6 @@
F: include/uapi/drm/drm*
F: include/linux/vga*
-DRM DRIVER FOR ARM PL111 CLCD
-M: Eric Anholt <eric@anholt.net>
-T: git git://anongit.freedesktop.org/drm/drm-misc
-S: Supported
-F: drivers/gpu/drm/pl111/
-
-DRM DRIVER FOR AST SERVER GRAPHICS CHIPS
-M: Dave Airlie <airlied@redhat.com>
-S: Odd Fixes
-F: drivers/gpu/drm/ast/
-
-DRM DRIVERS FOR BRIDGE CHIPS
-M: Archit Taneja <architt@codeaurora.org>
-M: Andrzej Hajda <a.hajda@samsung.com>
-R: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
-S: Maintained
-T: git git://anongit.freedesktop.org/drm/drm-misc
-F: drivers/gpu/drm/bridge/
-
-DRM DRIVER FOR BOCHS VIRTUAL GPU
-M: Gerd Hoffmann <kraxel@redhat.com>
-L: virtualization@lists.linux-foundation.org
-T: git git://anongit.freedesktop.org/drm/drm-misc
-S: Maintained
-F: drivers/gpu/drm/bochs/
-
-DRM DRIVER FOR QEMU'S CIRRUS DEVICE
-M: Dave Airlie <airlied@redhat.com>
-M: Gerd Hoffmann <kraxel@redhat.com>
-L: virtualization@lists.linux-foundation.org
-T: git git://anongit.freedesktop.org/drm/drm-misc
-S: Obsolete
-W: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
-F: drivers/gpu/drm/cirrus/
-
-RADEON and AMDGPU DRM DRIVERS
-M: Alex Deucher <alexander.deucher@amd.com>
-M: Christian König <christian.koenig@amd.com>
-L: amd-gfx@lists.freedesktop.org
-T: git git://people.freedesktop.org/~agd5f/linux
-S: Supported
-F: drivers/gpu/drm/radeon/
-F: include/uapi/drm/radeon_drm.h
-F: drivers/gpu/drm/amd/
-F: include/uapi/drm/amdgpu_drm.h
-
-DRM PANEL DRIVERS
-M: Thierry Reding <thierry.reding@gmail.com>
-L: dri-devel@lists.freedesktop.org
-T: git git://anongit.freedesktop.org/tegra/linux.git
-S: Maintained
-F: drivers/gpu/drm/drm_panel.c
-F: drivers/gpu/drm/panel/
-F: include/drm/drm_panel.h
-F: Documentation/devicetree/bindings/display/panel/
-
-INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
-M: Daniel Vetter <daniel.vetter@intel.com>
-M: Jani Nikula <jani.nikula@linux.intel.com>
-L: intel-gfx@lists.freedesktop.org
-W: https://01.org/linuxgraphics/
-B: https://01.org/linuxgraphics/documentation/how-report-bugs
-C: irc://chat.freenode.net/intel-gfx
-Q: http://patchwork.freedesktop.org/project/intel-gfx/
-T: git git://anongit.freedesktop.org/drm-intel
-S: Supported
-F: drivers/gpu/drm/i915/
-F: include/drm/i915*
-F: include/uapi/drm/i915_drm.h
-F: Documentation/gpu/i915.rst
-
-INTEL GVT-g DRIVERS (Intel GPU Virtualization)
-M: Zhenyu Wang <zhenyuw@linux.intel.com>
-M: Zhi Wang <zhi.a.wang@intel.com>
-L: intel-gvt-dev@lists.freedesktop.org
-L: intel-gfx@lists.freedesktop.org
-W: https://01.org/igvt-g
-T: git https://github.com/01org/gvt-linux.git
-S: Supported
-F: drivers/gpu/drm/i915/gvt/
-
-DRM DRIVERS FOR ATMEL HLCDC
-M: Boris Brezillon <boris.brezillon@free-electrons.com>
-L: dri-devel@lists.freedesktop.org
-S: Supported
-F: drivers/gpu/drm/atmel-hlcdc/
-F: Documentation/devicetree/bindings/drm/atmel/
-T: git git://anongit.freedesktop.org/drm/drm-misc
-
DRM DRIVERS FOR ALLWINNER A10
M: Maxime Ripard <maxime.ripard@free-electrons.com>
L: dri-devel@lists.freedesktop.org
@@ -4432,6 +4445,22 @@
F: Documentation/gpu/meson.rst
T: git git://anongit.freedesktop.org/drm/drm-misc
+DRM DRIVERS FOR ATMEL HLCDC
+M: Boris Brezillon <boris.brezillon@free-electrons.com>
+L: dri-devel@lists.freedesktop.org
+S: Supported
+F: drivers/gpu/drm/atmel-hlcdc/
+F: Documentation/devicetree/bindings/drm/atmel/
+T: git git://anongit.freedesktop.org/drm/drm-misc
+
+DRM DRIVERS FOR BRIDGE CHIPS
+M: Archit Taneja <architt@codeaurora.org>
+M: Andrzej Hajda <a.hajda@samsung.com>
+R: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: drivers/gpu/drm/bridge/
+
DRM DRIVERS FOR EXYNOS
M: Inki Dae <inki.dae@samsung.com>
M: Joonyoung Shim <jy0922.shim@samsung.com>
@@ -4480,11 +4509,6 @@
F: drivers/gpu/drm/hisilicon/
F: Documentation/devicetree/bindings/display/hisilicon/
-DRM DRIVER FOR INTEL I810 VIDEO CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/i810/
-F: include/uapi/drm/i810_drm.h
-
DRM DRIVERS FOR MEDIATEK
M: CK Hu <ck.hu@mediatek.com>
M: Philipp Zabel <p.zabel@pengutronix.de>
@@ -4493,32 +4517,6 @@
F: drivers/gpu/drm/mediatek/
F: Documentation/devicetree/bindings/display/mediatek/
-DRM DRIVER FOR MI0283QT
-M: Noralf Trønnes <noralf@tronnes.org>
-S: Maintained
-F: drivers/gpu/drm/tinydrm/mi0283qt.c
-F: Documentation/devicetree/bindings/display/multi-inno,mi0283qt.txt
-
-DRM DRIVER FOR MSM ADRENO GPU
-M: Rob Clark <robdclark@gmail.com>
-L: linux-arm-msm@vger.kernel.org
-L: dri-devel@lists.freedesktop.org
-L: freedreno@lists.freedesktop.org
-T: git git://people.freedesktop.org/~robclark/linux
-S: Maintained
-F: drivers/gpu/drm/msm/
-F: include/uapi/drm/msm_drm.h
-F: Documentation/devicetree/bindings/display/msm/
-
-DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS
-M: Ben Skeggs <bskeggs@redhat.com>
-L: dri-devel@lists.freedesktop.org
-L: nouveau@lists.freedesktop.org
-T: git git://github.com/skeggsb/linux
-S: Supported
-F: drivers/gpu/drm/nouveau/
-F: include/uapi/drm/nouveau_drm.h
-
DRM DRIVERS FOR NVIDIA TEGRA
M: Thierry Reding <thierry.reding@gmail.com>
L: dri-devel@lists.freedesktop.org
@@ -4531,21 +4529,6 @@
F: include/uapi/drm/tegra_drm.h
F: Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt
-DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/mga/
-F: include/uapi/drm/mga_drm.h
-
-DRM DRIVER FOR MGA G200 SERVER GRAPHICS CHIPS
-M: Dave Airlie <airlied@redhat.com>
-S: Odd Fixes
-F: drivers/gpu/drm/mgag200/
-
-DRM DRIVER FOR RAGE 128 VIDEO CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/r128/
-F: include/uapi/drm/r128_drm.h
-
DRM DRIVERS FOR RENESAS
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: dri-devel@lists.freedesktop.org
@@ -4558,15 +4541,6 @@
F: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt
F: Documentation/devicetree/bindings/display/renesas,du.txt
-DRM DRIVER FOR QXL VIRTUAL GPU
-M: Dave Airlie <airlied@redhat.com>
-M: Gerd Hoffmann <kraxel@redhat.com>
-L: virtualization@lists.linux-foundation.org
-T: git git://anongit.freedesktop.org/drm/drm-misc
-S: Maintained
-F: drivers/gpu/drm/qxl/
-F: include/uapi/drm/qxl_drm.h
-
DRM DRIVERS FOR ROCKCHIP
M: Mark Yao <mark.yao@rock-chips.com>
L: dri-devel@lists.freedesktop.org
@@ -4575,16 +4549,6 @@
F: Documentation/devicetree/bindings/display/rockchip/
T: git git://anongit.freedesktop.org/drm/drm-misc
-DRM DRIVER FOR SAVAGE VIDEO CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/savage/
-F: include/uapi/drm/savage_drm.h
-
-DRM DRIVER FOR SIS VIDEO CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/sis/
-F: include/uapi/drm/sis_drm.h
-
DRM DRIVERS FOR STI
M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
M: Vincent Abriou <vincent.abriou@st.com>
@@ -4605,14 +4569,29 @@
F: drivers/gpu/drm/stm
F: Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
-DRM DRIVER FOR TDFX VIDEO CARDS
-S: Orphan / Obsolete
-F: drivers/gpu/drm/tdfx/
+DRM DRIVERS FOR TI LCDC
+M: Jyri Sarha <jsarha@ti.com>
+R: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: dri-devel@lists.freedesktop.org
+S: Maintained
+F: drivers/gpu/drm/tilcdc/
+F: Documentation/devicetree/bindings/display/tilcdc/
-DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS
-M: Dave Airlie <airlied@redhat.com>
-S: Odd Fixes
-F: drivers/gpu/drm/udl/
+DRM DRIVERS FOR TI OMAP
+M: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: dri-devel@lists.freedesktop.org
+S: Maintained
+F: drivers/gpu/drm/omapdrm/
+F: Documentation/devicetree/bindings/display/ti/
+
+DRM DRIVERS FOR VC4
+M: Eric Anholt <eric@anholt.net>
+T: git git://github.com/anholt/linux
+S: Supported
+F: drivers/gpu/drm/vc4/
+F: include/uapi/drm/vc4_drm.h
+F: Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
+T: git git://anongit.freedesktop.org/drm/drm-misc
DRM DRIVERS FOR VIVANTE GPU IP
M: Lucas Stach <l.stach@pengutronix.de>
@@ -4625,41 +4604,6 @@
F: include/uapi/drm/etnaviv_drm.h
F: Documentation/devicetree/bindings/display/etnaviv/
-DRM DRIVER FOR VMWARE VIRTUAL GPU
-M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
-M: Sinclair Yeh <syeh@vmware.com>
-M: Thomas Hellstrom <thellstrom@vmware.com>
-L: dri-devel@lists.freedesktop.org
-T: git git://people.freedesktop.org/~syeh/repos_linux
-T: git git://people.freedesktop.org/~thomash/linux
-S: Supported
-F: drivers/gpu/drm/vmwgfx/
-F: include/uapi/drm/vmwgfx_drm.h
-
-DRM DRIVERS FOR VC4
-M: Eric Anholt <eric@anholt.net>
-T: git git://github.com/anholt/linux
-S: Supported
-F: drivers/gpu/drm/vc4/
-F: include/uapi/drm/vc4_drm.h
-F: Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
-T: git git://anongit.freedesktop.org/drm/drm-misc
-
-DRM DRIVERS FOR TI OMAP
-M: Tomi Valkeinen <tomi.valkeinen@ti.com>
-L: dri-devel@lists.freedesktop.org
-S: Maintained
-F: drivers/gpu/drm/omapdrm/
-F: Documentation/devicetree/bindings/display/ti/
-
-DRM DRIVERS FOR TI LCDC
-M: Jyri Sarha <jsarha@ti.com>
-R: Tomi Valkeinen <tomi.valkeinen@ti.com>
-L: dri-devel@lists.freedesktop.org
-S: Maintained
-F: drivers/gpu/drm/tilcdc/
-F: Documentation/devicetree/bindings/display/tilcdc/
-
DRM DRIVERS FOR ZTE ZX
M: Shawn Guo <shawnguo@kernel.org>
L: dri-devel@lists.freedesktop.org
@@ -4668,6 +4612,16 @@
F: Documentation/devicetree/bindings/display/zte,vou.txt
T: git git://anongit.freedesktop.org/drm/drm-misc
+DRM PANEL DRIVERS
+M: Thierry Reding <thierry.reding@gmail.com>
+L: dri-devel@lists.freedesktop.org
+T: git git://anongit.freedesktop.org/tegra/linux.git
+S: Maintained
+F: drivers/gpu/drm/drm_panel.c
+F: drivers/gpu/drm/panel/
+F: include/drm/drm_panel.h
+F: Documentation/devicetree/bindings/display/panel/
+
DSBR100 USB FM RADIO DRIVER
M: Alexey Klimov <klimov.linux@gmail.com>
L: linux-media@vger.kernel.org
@@ -4799,13 +4753,6 @@
F: drivers/media/usb/dvb-usb-v2/dvb_usb*
F: drivers/media/usb/dvb-usb-v2/usb_urb.c
-DONGWOON DW9714 LENS VOICE COIL DRIVER
-M: Sakari Ailus <sakari.ailus@linux.intel.com>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-S: Maintained
-F: drivers/media/i2c/dw9714.c
-
DYNAMIC DEBUG
M: Jason Baron <jbaron@akamai.com>
S: Maintained
@@ -4861,19 +4808,6 @@
F: Documentation/filesystems/ecryptfs.txt
F: fs/ecryptfs/
-EDAC-CORE
-M: Borislav Petkov <bp@alien8.de>
-M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-M: Mauro Carvalho Chehab <mchehab@kernel.org>
-L: linux-edac@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next
-S: Supported
-F: Documentation/admin-guide/ras.rst
-F: Documentation/driver-api/edac.rst
-F: drivers/edac/
-F: include/linux/edac.h
-
EDAC-AMD64
M: Borislav Petkov <bp@alien8.de>
L: linux-edac@vger.kernel.org
@@ -4895,6 +4829,19 @@
F: drivers/edac/octeon_edac*
F: drivers/edac/thunderx_edac*
+EDAC-CORE
+M: Borislav Petkov <bp@alien8.de>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
+L: linux-edac@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next
+S: Supported
+F: Documentation/admin-guide/ras.rst
+F: Documentation/driver-api/edac.rst
+F: drivers/edac/
+F: include/linux/edac.h
+
EDAC-E752X
M: Mark Gross <mark.gross@intel.com>
L: linux-edac@vger.kernel.org
@@ -4919,12 +4866,6 @@
S: Maintained
F: drivers/edac/ghes_edac.c
-EDAC-I82443BXGX
-M: Tim Small <tim@buttersideup.com>
-L: linux-edac@vger.kernel.org
-S: Maintained
-F: drivers/edac/i82443bxgx_edac.c
-
EDAC-I3000
L: linux-edac@vger.kernel.org
S: Orphan
@@ -4956,6 +4897,12 @@
S: Maintained
F: drivers/edac/i7core_edac.c
+EDAC-I82443BXGX
+M: Tim Small <tim@buttersideup.com>
+L: linux-edac@vger.kernel.org
+S: Maintained
+F: drivers/edac/i82443bxgx_edac.c
+
EDAC-I82975X
M: Ranganathan Desikan <ravi@jetztechnologies.com>
M: "Arvind R." <arvino55@gmail.com>
@@ -4975,18 +4922,18 @@
S: Maintained
F: drivers/edac/mpc85xx_edac.[ch]
-EDAC-PND2
-M: Tony Luck <tony.luck@intel.com>
-L: linux-edac@vger.kernel.org
-S: Maintained
-F: drivers/edac/pnd2_edac.[ch]
-
EDAC-PASEMI
M: Egor Martovetsky <egor@pasemi.com>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/pasemi_edac.c
+EDAC-PND2
+M: Tony Luck <tony.luck@intel.com>
+L: linux-edac@vger.kernel.org
+S: Maintained
+F: drivers/edac/pnd2_edac.[ch]
+
EDAC-R82600
M: Tim Small <tim@buttersideup.com>
L: linux-edac@vger.kernel.org
@@ -5006,13 +4953,6 @@
S: Maintained
F: drivers/edac/skx_edac.c
-EDAC-XGENE
-APPLIED MICRO (APM) X-GENE SOC EDAC
-M: Loc Ho <lho@apm.com>
-S: Supported
-F: drivers/edac/xgene_edac.c
-F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
-
EDIROL UA-101/UA-1000 DRIVER
M: Clemens Ladisch <clemens@ladisch.de>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
@@ -5020,21 +4960,12 @@
S: Maintained
F: sound/usb/misc/ua101.c
-EXTENSIBLE FIRMWARE INTERFACE (EFI)
-M: Matt Fleming <matt@codeblueprint.co.uk>
-M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+EFI TEST DRIVER
L: linux-efi@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
+M: Ivan Hu <ivan.hu@canonical.com>
+M: Matt Fleming <matt@codeblueprint.co.uk>
S: Maintained
-F: Documentation/efi-stub.txt
-F: arch/*/kernel/efi.c
-F: arch/x86/boot/compressed/eboot.[ch]
-F: arch/*/include/asm/efi.h
-F: arch/x86/platform/efi/
-F: drivers/firmware/efi/
-F: include/linux/efi*.h
-F: arch/arm/boot/compressed/efi-header.S
-F: arch/arm64/kernel/efi-entry.S
+F: drivers/firmware/efi/test/
EFI VARIABLE FILESYSTEM
M: Matthew Garrett <matthew.garrett@nebula.com>
@@ -5051,13 +4982,6 @@
S: Maintained
F: drivers/video/fbdev/efifb.c
-EFI TEST DRIVER
-L: linux-efi@vger.kernel.org
-M: Ivan Hu <ivan.hu@canonical.com>
-M: Matt Fleming <matt@codeblueprint.co.uk>
-S: Maintained
-F: drivers/firmware/efi/test/
-
EFS FILESYSTEM
W: http://aeschi.ch.eu.org/efs/
S: Orphan
@@ -5086,6 +5010,34 @@
L: linux-embedded@vger.kernel.org
S: Maintained
+Emulex 10Gbps iSCSI - OneConnect DRIVER
+M: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
+M: Ketan Mukadam <ketan.mukadam@broadcom.com>
+M: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
+L: linux-scsi@vger.kernel.org
+W: http://www.broadcom.com
+S: Supported
+F: drivers/scsi/be2iscsi/
+
+Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER (be2net)
+M: Sathya Perla <sathya.perla@broadcom.com>
+M: Ajit Khaparde <ajit.khaparde@broadcom.com>
+M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
+M: Somnath Kotur <somnath.kotur@broadcom.com>
+L: netdev@vger.kernel.org
+W: http://www.emulex.com
+S: Supported
+F: drivers/net/ethernet/emulex/benet/
+
+EMULEX ONECONNECT ROCE DRIVER
+M: Selvin Xavier <selvin.xavier@broadcom.com>
+M: Devesh Sharma <devesh.sharma@broadcom.com>
+L: linux-rdma@vger.kernel.org
+W: http://www.broadcom.com
+S: Odd Fixes
+F: drivers/infiniband/hw/ocrdma/
+F: include/uapi/rdma/ocrdma-abi.h
+
EMULEX/BROADCOM LPFC FC/FCOE SCSI DRIVER
M: James Smart <james.smart@broadcom.com>
M: Dick Kennedy <dick.kennedy@broadcom.com>
@@ -5138,12 +5090,20 @@
M: Florian Fainelli <f.fainelli@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
-F: include/linux/phy.h
-F: include/linux/phy_fixed.h
-F: drivers/net/phy/
+F: Documentation/ABI/testing/sysfs-bus-mdio
+F: Documentation/devicetree/bindings/net/mdio*
F: Documentation/networking/phy.txt
+F: drivers/net/phy/
F: drivers/of/of_mdio.c
F: drivers/of/of_net.c
+F: include/linux/*mdio*.h
+F: include/linux/of_net.h
+F: include/linux/phy.h
+F: include/linux/phy_fixed.h
+F: include/linux/platform_data/mdio-gpio.h
+F: include/trace/events/mdio.h
+F: include/uapi/linux/mdio.h
+F: include/uapi/linux/mii.h
EXT2 FILE SYSTEM
M: Jan Kara <jack@suse.com>
@@ -5171,6 +5131,22 @@
S: Supported
F: security/integrity/evm/
+EXTENSIBLE FIRMWARE INTERFACE (EFI)
+M: Matt Fleming <matt@codeblueprint.co.uk>
+M: Ard Biesheuvel <ard.biesheuvel@linaro.org>
+L: linux-efi@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
+S: Maintained
+F: Documentation/efi-stub.txt
+F: arch/*/kernel/efi.c
+F: arch/x86/boot/compressed/eboot.[ch]
+F: arch/*/include/asm/efi.h
+F: arch/x86/platform/efi/
+F: drivers/firmware/efi/
+F: include/linux/efi*.h
+F: arch/arm/boot/compressed/efi-header.S
+F: arch/arm64/kernel/efi-entry.S
+
EXTERNAL CONNECTOR SUBSYSTEM (EXTCON)
M: MyungJoo Ham <myungjoo.ham@samsung.com>
M: Chanwoo Choi <cw00.choi@samsung.com>
@@ -5201,6 +5177,19 @@
F: arch/arc/plat-eznps
F: arch/arc/boot/dts/eznps.dts
+F2FS FILE SYSTEM
+M: Jaegeuk Kim <jaegeuk@kernel.org>
+M: Chao Yu <yuchao0@huawei.com>
+L: linux-f2fs-devel@lists.sourceforge.net
+W: https://f2fs.wiki.kernel.org/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
+S: Maintained
+F: Documentation/filesystems/f2fs.txt
+F: Documentation/ABI/testing/sysfs-fs-f2fs
+F: fs/f2fs/
+F: include/linux/f2fs_fs.h
+F: include/trace/events/f2fs.h
+
F71805F HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@suse.com>
L: linux-hwmon@vger.kernel.org
@@ -5208,23 +5197,6 @@
F: Documentation/hwmon/f71805f
F: drivers/hwmon/f71805f.c
-FC0011 TUNER DRIVER
-M: Michael Buesch <m@bues.ch>
-L: linux-media@vger.kernel.org
-S: Maintained
-F: drivers/media/tuners/fc0011.h
-F: drivers/media/tuners/fc0011.c
-
-FC2580 MEDIA DRIVER
-M: Antti Palosaari <crope@iki.fi>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://palosaari.fi/linux/
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/anttip/media_tree.git
-S: Maintained
-F: drivers/media/tuners/fc2580*
-
FANOTIFY
M: Eric Paris <eparis@redhat.com>
S: Maintained
@@ -5249,6 +5221,23 @@
S: Maintained
F: drivers/staging/fbtft/
+FC0011 TUNER DRIVER
+M: Michael Buesch <m@bues.ch>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/tuners/fc0011.h
+F: drivers/media/tuners/fc0011.c
+
+FC2580 MEDIA DRIVER
+M: Antti Palosaari <crope@iki.fi>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://palosaari.fi/linux/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/anttip/media_tree.git
+S: Maintained
+F: drivers/media/tuners/fc2580*
+
FCOE SUBSYSTEM (libfc, libfcoe, fcoe)
M: Johannes Thumshirn <jth@kernel.org>
L: fcoe-devel@open-fcoe.org
@@ -5408,6 +5397,14 @@
S: Maintained
F: drivers/dma/fsldma.*
+FREESCALE eTSEC ETHERNET DRIVER (GIANFAR)
+M: Claudiu Manoil <claudiu.manoil@freescale.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/freescale/gianfar*
+X: drivers/net/ethernet/freescale/gianfar_ptp.c
+F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
+
FREESCALE GPMI NAND DRIVER
M: Han Xu <han.xu@nxp.com>
L: linux-mtd@lists.infradead.org
@@ -5421,29 +5418,6 @@
S: Maintained
F: drivers/i2c/busses/i2c-cpm.c
-FREESCALE IMX / MXC FRAMEBUFFER DRIVER
-M: Sascha Hauer <kernel@pengutronix.de>
-L: linux-fbdev@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: include/linux/platform_data/video-imxfb.h
-F: drivers/video/fbdev/imxfb.c
-
-FREESCALE QUAD SPI DRIVER
-M: Han Xu <han.xu@nxp.com>
-L: linux-mtd@lists.infradead.org
-S: Maintained
-F: drivers/mtd/spi-nor/fsl-quadspi.c
-
-FREESCALE SOC FS_ENET DRIVER
-M: Pantelis Antoniou <pantelis.antoniou@gmail.com>
-M: Vitaly Bordug <vbordug@ru.mvista.com>
-L: linuxppc-dev@lists.ozlabs.org
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/freescale/fs_enet/
-F: include/linux/fs_enet_pd.h
-
FREESCALE IMX / MXC FEC DRIVER
M: Fugang Duan <fugang.duan@nxp.com>
L: netdev@vger.kernel.org
@@ -5453,12 +5427,13 @@
F: drivers/net/ethernet/freescale/fec.h
F: Documentation/devicetree/bindings/net/fsl-fec.txt
-FREESCALE QORIQ DPAA FMAN DRIVER
-M: Madalin Bucur <madalin.bucur@nxp.com>
-L: netdev@vger.kernel.org
+FREESCALE IMX / MXC FRAMEBUFFER DRIVER
+M: Sascha Hauer <kernel@pengutronix.de>
+L: linux-fbdev@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: drivers/net/ethernet/freescale/fman
-F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+F: include/linux/platform_data/video-imxfb.h
+F: drivers/video/fbdev/imxfb.c
FREESCALE QORIQ DPAA ETHERNET DRIVER
M: Madalin Bucur <madalin.bucur@nxp.com>
@@ -5466,14 +5441,18 @@
S: Maintained
F: drivers/net/ethernet/freescale/dpaa
-FREESCALE SOC DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
-L: linuxppc-dev@lists.ozlabs.org
-L: linux-arm-kernel@lists.infradead.org
+FREESCALE QORIQ DPAA FMAN DRIVER
+M: Madalin Bucur <madalin.bucur@nxp.com>
+L: netdev@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/soc/fsl/
-F: drivers/soc/fsl/
-F: include/linux/fsl/
+F: drivers/net/ethernet/freescale/fman
+F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+
+FREESCALE QUAD SPI DRIVER
+M: Han Xu <han.xu@nxp.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/spi-nor/fsl-quadspi.c
FREESCALE QUICC ENGINE LIBRARY
M: Qiang Zhao <qiang.zhao@nxp.com>
@@ -5483,13 +5462,6 @@
F: include/soc/fsl/*qe*.h
F: include/soc/fsl/*ucc*.h
-FREESCALE USB PERIPHERAL DRIVERS
-M: Li Yang <leoyang.li@nxp.com>
-L: linux-usb@vger.kernel.org
-L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
-F: drivers/usb/gadget/udc/fsl*
-
FREESCALE QUICC ENGINE UCC ETHERNET DRIVER
M: Li Yang <leoyang.li@nxp.com>
L: netdev@vger.kernel.org
@@ -5497,14 +5469,6 @@
S: Maintained
F: drivers/net/ethernet/freescale/ucc_geth*
-FREESCALE eTSEC ETHERNET DRIVER (GIANFAR)
-M: Claudiu Manoil <claudiu.manoil@freescale.com>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/freescale/gianfar*
-X: drivers/net/ethernet/freescale/gianfar_ptp.c
-F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
-
FREESCALE QUICC ENGINE UCC HDLC DRIVER
M: Zhao Qiang <qiang.zhao@nxp.com>
L: netdev@vger.kernel.org
@@ -5518,6 +5482,24 @@
S: Maintained
F: drivers/tty/serial/ucc_uart.c
+FREESCALE SOC DRIVERS
+M: Li Yang <leoyang.li@nxp.com>
+L: linuxppc-dev@lists.ozlabs.org
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: Documentation/devicetree/bindings/soc/fsl/
+F: drivers/soc/fsl/
+F: include/linux/fsl/
+
+FREESCALE SOC FS_ENET DRIVER
+M: Pantelis Antoniou <pantelis.antoniou@gmail.com>
+M: Vitaly Bordug <vbordug@ru.mvista.com>
+L: linuxppc-dev@lists.ozlabs.org
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/freescale/fs_enet/
+F: include/linux/fs_enet_pd.h
+
FREESCALE SOC SOUND DRIVERS
M: Timur Tabi <timur@tabi.org>
M: Nicolin Chen <nicoleotsuka@gmail.com>
@@ -5530,6 +5512,13 @@
F: sound/soc/fsl/imx*
F: sound/soc/fsl/mpc8610_hpcd.c
+FREESCALE USB PERIPHERAL DRIVERS
+M: Li Yang <leoyang.li@nxp.com>
+L: linux-usb@vger.kernel.org
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
+F: drivers/usb/gadget/udc/fsl*
+
FREEVXFS FILESYSTEM
M: Christoph Hellwig <hch@infradead.org>
W: ftp://ftp.openlinux.org/pub/people/hch/vxfs
@@ -5570,19 +5559,6 @@
F: fs/crypto/
F: include/linux/fscrypt*.h
-F2FS FILE SYSTEM
-M: Jaegeuk Kim <jaegeuk@kernel.org>
-M: Chao Yu <yuchao0@huawei.com>
-L: linux-f2fs-devel@lists.sourceforge.net
-W: https://f2fs.wiki.kernel.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
-S: Maintained
-F: Documentation/filesystems/f2fs.txt
-F: Documentation/ABI/testing/sysfs-fs-f2fs
-F: fs/f2fs/
-F: include/linux/f2fs_fs.h
-F: include/trace/events/f2fs.h
-
FUJITSU FR-V (FRV) PORT
S: Orphan
F: arch/frv/
@@ -5656,6 +5632,12 @@
F: kernel/gcov/
F: Documentation/dev-tools/gcov.rst
+GDB KERNEL DEBUGGING HELPER SCRIPTS
+M: Jan Kiszka <jan.kiszka@siemens.com>
+M: Kieran Bingham <kieran@bingham.xyz>
+S: Supported
+F: scripts/gdb/
+
GDT SCSI DISK ARRAY CONTROLLER DRIVER
M: Achim Leubner <achim_leubner@adaptec.com>
L: linux-scsi@vger.kernel.org
@@ -5663,12 +5645,6 @@
S: Supported
F: drivers/scsi/gdt*
-GDB KERNEL DEBUGGING HELPER SCRIPTS
-M: Jan Kiszka <jan.kiszka@siemens.com>
-M: Kieran Bingham <kieran@bingham.xyz>
-S: Supported
-F: scripts/gdb/
-
GEMTEK FM RADIO RECEIVER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
@@ -5735,17 +5711,17 @@
S: Supported
F: drivers/uio/uio_pci_generic.c
-GET_MAINTAINER SCRIPT
-M: Joe Perches <joe@perches.com>
-S: Maintained
-F: scripts/get_maintainer.pl
-
GENWQE (IBM Generic Workqueue Card)
M: Frank Haverkamp <haver@linux.vnet.ibm.com>
M: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
S: Supported
F: drivers/misc/genwqe/
+GET_MAINTAINER SCRIPT
+M: Joe Perches <joe@perches.com>
+S: Maintained
+F: scripts/get_maintainer.pl
+
GFS2 FILE SYSTEM
M: Steven Whitehouse <swhiteho@redhat.com>
M: Bob Peterson <rpeterso@redhat.com>
@@ -5778,6 +5754,15 @@
S: Maintained
F: drivers/input/touchscreen/goodix.c
+GPIO ACPI SUPPORT
+M: Mika Westerberg <mika.westerberg@linux.intel.com>
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+L: linux-gpio@vger.kernel.org
+L: linux-acpi@vger.kernel.org
+S: Maintained
+F: Documentation/acpi/gpio-properties.txt
+F: drivers/gpio/gpiolib-acpi.c
+
GPIO MOCKUP DRIVER
M: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
L: linux-gpio@vger.kernel.org
@@ -5801,15 +5786,6 @@
F: include/uapi/linux/gpio.h
F: tools/gpio/
-GPIO ACPI SUPPORT
-M: Mika Westerberg <mika.westerberg@linux.intel.com>
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
-L: linux-gpio@vger.kernel.org
-L: linux-acpi@vger.kernel.org
-S: Maintained
-F: Documentation/acpi/gpio-properties.txt
-F: drivers/gpio/gpiolib-acpi.c
-
GRE DEMULTIPLEXER DRIVER
M: Dmitry Kozlov <xeb@mail.ru>
L: netdev@vger.kernel.org
@@ -5824,14 +5800,6 @@
S: Maintained
F: drivers/net/ethernet/aeroflex/
-GREYBUS SUBSYSTEM
-M: Johan Hovold <johan@kernel.org>
-M: Alex Elder <elder@kernel.org>
-M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-S: Maintained
-F: drivers/staging/greybus/
-L: greybus-dev@lists.linaro.org (moderated for non-subscribers)
-
GREYBUS AUDIO PROTOCOLS DRIVERS
M: Vaibhav Agarwal <vaibhav.sr@gmail.com>
M: Mark Greer <mgreer@animalcreek.com>
@@ -5849,24 +5817,7 @@
F: drivers/staging/greybus/audio_module.c
F: drivers/staging/greybus/audio_topology.c
-GREYBUS PROTOCOLS DRIVERS
-M: Rui Miguel Silva <rmfrfs@gmail.com>
-S: Maintained
-F: drivers/staging/greybus/sdio.c
-F: drivers/staging/greybus/light.c
-F: drivers/staging/greybus/gpio.c
-F: drivers/staging/greybus/power_supply.c
-F: drivers/staging/greybus/spi.c
-F: drivers/staging/greybus/spilib.c
-
-GREYBUS PROTOCOLS DRIVERS
-M: Bryan O'Donoghue <pure.logic@nexus-software.ie>
-S: Maintained
-F: drivers/staging/greybus/loopback.c
-F: drivers/staging/greybus/timesync.c
-F: drivers/staging/greybus/timesync_platform.c
-
-GREYBUS PROTOCOLS DRIVERS
+GREYBUS FW/HID/SPI PROTOCOLS DRIVERS
M: Viresh Kumar <vireshk@kernel.org>
S: Maintained
F: drivers/staging/greybus/authentication.c
@@ -5883,11 +5834,12 @@
F: drivers/staging/greybus/spilib.c
F: drivers/staging/greybus/spilib.h
-GREYBUS PROTOCOLS DRIVERS
-M: David Lin <dtwlin@gmail.com>
+GREYBUS LOOPBACK/TIME PROTOCOLS DRIVERS
+M: Bryan O'Donoghue <pure.logic@nexus-software.ie>
S: Maintained
-F: drivers/staging/greybus/uart.c
-F: drivers/staging/greybus/log.c
+F: drivers/staging/greybus/loopback.c
+F: drivers/staging/greybus/timesync.c
+F: drivers/staging/greybus/timesync_platform.c
GREYBUS PLATFORM DRIVERS
M: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
@@ -5896,6 +5848,30 @@
F: drivers/staging/greybus/arche-apb-ctrl.c
F: drivers/staging/greybus/arche_platform.h
+GREYBUS SDIO/GPIO/SPI PROTOCOLS DRIVERS
+M: Rui Miguel Silva <rmfrfs@gmail.com>
+S: Maintained
+F: drivers/staging/greybus/sdio.c
+F: drivers/staging/greybus/light.c
+F: drivers/staging/greybus/gpio.c
+F: drivers/staging/greybus/power_supply.c
+F: drivers/staging/greybus/spi.c
+F: drivers/staging/greybus/spilib.c
+
+GREYBUS SUBSYSTEM
+M: Johan Hovold <johan@kernel.org>
+M: Alex Elder <elder@kernel.org>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+S: Maintained
+F: drivers/staging/greybus/
+L: greybus-dev@lists.linaro.org (moderated for non-subscribers)
+
+GREYBUS UART PROTOCOLS DRIVERS
+M: David Lin <dtwlin@gmail.com>
+S: Maintained
+F: drivers/staging/greybus/uart.c
+F: drivers/staging/greybus/log.c
+
GS1662 VIDEO SERIALIZER
M: Charles-Antoine Couret <charles-antoine.couret@nexvision.fr>
L: linux-media@vger.kernel.org
@@ -5966,13 +5942,6 @@
S: Maintained
F: block/partitions/efi.*
-STK1160 USB VIDEO CAPTURE DRIVER
-M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-S: Maintained
-F: drivers/media/usb/stk1160/
-
H8/300 ARCHITECTURE
M: Yoshinori Sato <ysato@users.sourceforge.jp>
L: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers)
@@ -5984,33 +5953,6 @@
F: drivers/clk/h8300/
F: drivers/irqchip/irq-renesas-h8*.c
-HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER
-M: Frank Seidel <frank@f-seidel.de>
-L: platform-driver-x86@vger.kernel.org
-W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/
-S: Maintained
-F: drivers/platform/x86/hdaps.c
-
-HDPVR USB VIDEO ENCODER DRIVER
-M: Hans Verkuil <hverkuil@xs4all.nl>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-W: https://linuxtv.org
-S: Odd Fixes
-F: drivers/media/usb/hdpvr/
-
-HWPOISON MEMORY FAILURE HANDLING
-M: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
-L: linux-mm@kvack.org
-S: Maintained
-F: mm/memory-failure.c
-F: mm/hwpoison-inject.c
-
-HYPERVISOR VIRTUAL CONSOLE DRIVER
-L: linuxppc-dev@lists.ozlabs.org
-S: Odd Fixes
-F: drivers/tty/hvc/
-
HACKRF MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
@@ -6021,6 +5963,13 @@
S: Maintained
F: drivers/media/usb/hackrf/
+HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER
+M: Frank Seidel <frank@f-seidel.de>
+L: platform-driver-x86@vger.kernel.org
+W: http://www.kernel.org/pub/linux/kernel/people/fseidel/hdaps/
+S: Maintained
+F: drivers/platform/x86/hdaps.c
+
HARDWARE MONITORING
M: Jean Delvare <jdelvare@suse.com>
M: Guenter Roeck <linux@roeck-us.net>
@@ -6059,6 +6008,14 @@
S: Maintained
F: sound/parisc/harmony.*
+HDPVR USB VIDEO ENCODER DRIVER
+M: Hans Verkuil <hverkuil@xs4all.nl>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
+S: Odd Fixes
+F: drivers/media/usb/hdpvr/
+
HEWLETT PACKARD ENTERPRISE ILO NMI WATCHDOG DRIVER
M: Jimmy Vance <jimmy.vance@hpe.com>
S: Supported
@@ -6085,13 +6042,6 @@
F: include/linux/cciss_ioctl.h
F: include/uapi/linux/cciss_ioctl.h
-OPA-VNIC DRIVER
-M: Dennis Dalessandro <dennis.dalessandro@intel.com>
-M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
-L: linux-rdma@vger.kernel.org
-S: Supported
-F: drivers/infiniband/ulp/opa_vnic
-
HFI1 DRIVER
M: Mike Marciniszyn <mike.marciniszyn@intel.com>
M: Dennis Dalessandro <dennis.dalessandro@intel.com>
@@ -6269,6 +6219,12 @@
S: Maintained
F: net/hsr/
+HT16K33 LED CONTROLLER DRIVER
+M: Robin van der Gracht <robin@protonic.nl>
+S: Maintained
+F: drivers/auxdisplay/ht16k33.c
+F: Documentation/devicetree/bindings/display/ht16k33.txt
+
HTCPEN TOUCHSCREEN DRIVER
M: Pau Oliva Fora <pof@eslack.org>
L: linux-input@vger.kernel.org
@@ -6288,6 +6244,13 @@
S: Supported
F: drivers/media/platform/sti/hva
+HWPOISON MEMORY FAILURE HANDLING
+M: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
+L: linux-mm@kvack.org
+S: Maintained
+F: mm/memory-failure.c
+F: mm/hwpoison-inject.c
+
Hyper-V CORE AND DRIVERS
M: "K. Y. Srinivasan" <kys@microsoft.com>
M: Haiyang Zhang <haiyangz@microsoft.com>
@@ -6310,6 +6273,18 @@
F: tools/hv/
F: Documentation/ABI/stable/sysfs-bus-vmbus
+HYPERVISOR VIRTUAL CONSOLE DRIVER
+L: linuxppc-dev@lists.ozlabs.org
+S: Odd Fixes
+F: drivers/tty/hvc/
+
+I2C ACPI SUPPORT
+M: Mika Westerberg <mika.westerberg@linux.intel.com>
+L: linux-i2c@vger.kernel.org
+L: linux-acpi@vger.kernel.org
+S: Maintained
+F: drivers/i2c/i2c-core-acpi.c
+
I2C MUXES
M: Peter Rosin <peda@axentia.se>
L: linux-i2c@vger.kernel.org
@@ -6332,6 +6307,36 @@
F: drivers/i2c/busses/i2c-parport.c
F: drivers/i2c/busses/i2c-parport-light.c
+I2C SUBSYSTEM
+M: Wolfram Sang <wsa@the-dreams.de>
+L: linux-i2c@vger.kernel.org
+W: https://i2c.wiki.kernel.org/
+Q: https://patchwork.ozlabs.org/project/linux-i2c/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
+S: Maintained
+F: Documentation/devicetree/bindings/i2c/
+F: Documentation/i2c/
+F: drivers/i2c/
+F: drivers/i2c/*/
+F: include/linux/i2c.h
+F: include/linux/i2c-*.h
+F: include/uapi/linux/i2c.h
+F: include/uapi/linux/i2c-*.h
+
+I2C-TAOS-EVM DRIVER
+M: Jean Delvare <jdelvare@suse.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-taos-evm
+F: drivers/i2c/busses/i2c-taos-evm.c
+
+I2C-TINY-USB DRIVER
+M: Till Harbaum <till@harbaum.org>
+L: linux-i2c@vger.kernel.org
+W: http://www.harbaum.org/till/i2c_tiny_usb
+S: Maintained
+F: drivers/i2c/busses/i2c-tiny-usb.c
+
I2C/SMBUS CONTROLLER DRIVERS FOR PC
M: Jean Delvare <jdelvare@suse.com>
L: linux-i2c@vger.kernel.org
@@ -6379,43 +6384,6 @@
S: Maintained
F: drivers/i2c/i2c-stub.c
-I2C SUBSYSTEM
-M: Wolfram Sang <wsa@the-dreams.de>
-L: linux-i2c@vger.kernel.org
-W: https://i2c.wiki.kernel.org/
-Q: https://patchwork.ozlabs.org/project/linux-i2c/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
-S: Maintained
-F: Documentation/devicetree/bindings/i2c/
-F: Documentation/i2c/
-F: drivers/i2c/
-F: drivers/i2c/*/
-F: include/linux/i2c.h
-F: include/linux/i2c-*.h
-F: include/uapi/linux/i2c.h
-F: include/uapi/linux/i2c-*.h
-
-I2C ACPI SUPPORT
-M: Mika Westerberg <mika.westerberg@linux.intel.com>
-L: linux-i2c@vger.kernel.org
-L: linux-acpi@vger.kernel.org
-S: Maintained
-F: drivers/i2c/i2c-core-acpi.c
-
-I2C-TAOS-EVM DRIVER
-M: Jean Delvare <jdelvare@suse.com>
-L: linux-i2c@vger.kernel.org
-S: Maintained
-F: Documentation/i2c/busses/i2c-taos-evm
-F: drivers/i2c/busses/i2c-taos-evm.c
-
-I2C-TINY-USB DRIVER
-M: Till Harbaum <till@harbaum.org>
-L: linux-i2c@vger.kernel.org
-W: http://www.harbaum.org/till/i2c_tiny_usb
-S: Maintained
-F: drivers/i2c/busses/i2c-tiny-usb.c
-
i386 BOOT CODE
M: "H. Peter Anvin" <hpa@zytor.com>
S: Maintained
@@ -6434,17 +6402,15 @@
S: Maintained
F: arch/ia64/
-IBM Power VMX Cryptographic instructions
-M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
-M: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com>
-L: linux-crypto@vger.kernel.org
+IBM Power 842 compression accelerator
+M: Haren Myneni <haren@us.ibm.com>
S: Supported
-F: drivers/crypto/vmx/Makefile
-F: drivers/crypto/vmx/Kconfig
-F: drivers/crypto/vmx/vmx.c
-F: drivers/crypto/vmx/aes*
-F: drivers/crypto/vmx/ghash*
-F: drivers/crypto/vmx/ppc-xlate.pl
+F: drivers/crypto/nx/Makefile
+F: drivers/crypto/nx/Kconfig
+F: drivers/crypto/nx/nx-842*
+F: include/linux/sw842.h
+F: crypto/842.c
+F: lib/842/
IBM Power in-Nest Crypto Acceleration
M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
@@ -6459,27 +6425,11 @@
F: drivers/crypto/nx/nx_csbcpb.h
F: drivers/crypto/nx/nx_debugfs.h
-IBM Power 842 compression accelerator
-M: Haren Myneni <haren@us.ibm.com>
-S: Supported
-F: drivers/crypto/nx/Makefile
-F: drivers/crypto/nx/Kconfig
-F: drivers/crypto/nx/nx-842*
-F: include/linux/sw842.h
-F: crypto/842.c
-F: lib/842/
-
IBM Power Linux RAID adapter
M: Brian King <brking@us.ibm.com>
S: Supported
F: drivers/scsi/ipr.*
-IBM Power Virtual Ethernet Device Driver
-M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/ibm/ibmveth.*
-
IBM Power SRIOV Virtual NIC Device Driver
M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
M: John Allen <jallen@linux.vnet.ibm.com>
@@ -6487,6 +6437,18 @@
S: Supported
F: drivers/net/ethernet/ibm/ibmvnic.*
+IBM Power Virtual Ethernet Device Driver
+M: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/ibm/ibmveth.*
+
+IBM Power Virtual FC Device Drivers
+M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/ibmvscsi/ibmvfc*
+
IBM Power Virtual SCSI Device Drivers
M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
L: linux-scsi@vger.kernel.org
@@ -6502,11 +6464,17 @@
S: Supported
F: drivers/scsi/ibmvscsi_tgt/
-IBM Power Virtual FC Device Drivers
-M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
-L: linux-scsi@vger.kernel.org
+IBM Power VMX Cryptographic instructions
+M: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com>
+M: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com>
+L: linux-crypto@vger.kernel.org
S: Supported
-F: drivers/scsi/ibmvscsi/ibmvfc*
+F: drivers/crypto/vmx/Makefile
+F: drivers/crypto/vmx/Kconfig
+F: drivers/crypto/vmx/vmx.c
+F: drivers/crypto/vmx/aes*
+F: drivers/crypto/vmx/ghash*
+F: drivers/crypto/vmx/ppc-xlate.pl
IBM ServeRAID RAID DRIVER
S: Orphan
@@ -6518,11 +6486,6 @@
F: drivers/mfd/lpc_ich.c
F: drivers/gpio/gpio-ich.c
-IDT VersaClock 5 CLOCK DRIVER
-M: Marek Vasut <marek.vasut@gmail.com>
-S: Maintained
-F: drivers/clk/clk-versaclock5.c
-
IDE SUBSYSTEM
M: "David S. Miller" <davem@davemloft.net>
L: linux-ide@vger.kernel.org
@@ -6533,6 +6496,13 @@
F: drivers/ide/
F: include/linux/ide.h
+IDE/ATAPI DRIVERS
+M: Borislav Petkov <bp@alien8.de>
+L: linux-ide@vger.kernel.org
+S: Maintained
+F: Documentation/cdrom/ide-cd
+F: drivers/ide/ide-cd*
+
IDEAPAD LAPTOP EXTRAS DRIVER
M: Ike Panhc <ike.pan@canonical.com>
L: platform-driver-x86@vger.kernel.org
@@ -6547,12 +6517,10 @@
S: Maintained
F: drivers/input/misc/ideapad_slidebar.c
-IDE/ATAPI DRIVERS
-M: Borislav Petkov <bp@alien8.de>
-L: linux-ide@vger.kernel.org
+IDT VersaClock 5 CLOCK DRIVER
+M: Marek Vasut <marek.vasut@gmail.com>
S: Maintained
-F: Documentation/cdrom/ide-cd
-F: drivers/ide/ide-cd*
+F: drivers/clk/clk-versaclock5.c
IEEE 802.15.4 SUBSYSTEM
M: Alexander Aring <alex.aring@gmail.com>
@@ -6642,6 +6610,16 @@
F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt
F: drivers/auxdisplay/img-ascii-lcd.c
+IMGTEC IR DECODER DRIVER
+M: James Hogan <james.hogan@imgtec.com>
+S: Maintained
+F: drivers/media/rc/img-ir/
+
+IMS TWINTURBO FRAMEBUFFER DRIVER
+L: linux-fbdev@vger.kernel.org
+S: Orphan
+F: drivers/video/fbdev/imsttfb.c
+
INA209 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@roeck-us.net>
L: linux-hwmon@vger.kernel.org
@@ -6667,37 +6645,6 @@
S: Maintained
F: drivers/ipack/
-INGENIC JZ4780 DMA Driver
-M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
-S: Maintained
-F: drivers/dma/dma-jz4780.c
-
-INGENIC JZ4780 NAND DRIVER
-M: Harvey Hunt <harveyhuntnexus@gmail.com>
-L: linux-mtd@lists.infradead.org
-S: Maintained
-F: drivers/mtd/nand/jz4780_*
-
-INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
-M: Mimi Zohar <zohar@linux.vnet.ibm.com>
-M: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
-L: linux-ima-devel@lists.sourceforge.net
-L: linux-ima-user@lists.sourceforge.net
-L: linux-security-module@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
-S: Supported
-F: security/integrity/ima/
-
-IMGTEC IR DECODER DRIVER
-M: James Hogan <james.hogan@imgtec.com>
-S: Maintained
-F: drivers/media/rc/img-ir/
-
-IMS TWINTURBO FRAMEBUFFER DRIVER
-L: linux-fbdev@vger.kernel.org
-S: Orphan
-F: drivers/video/fbdev/imsttfb.c
-
INFINIBAND SUBSYSTEM
M: Doug Ledford <dledford@redhat.com>
M: Sean Hefty <sean.hefty@intel.com>
@@ -6714,6 +6661,17 @@
F: include/uapi/rdma/
F: include/rdma/
+INGENIC JZ4780 DMA Driver
+M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
+S: Maintained
+F: drivers/dma/dma-jz4780.c
+
+INGENIC JZ4780 NAND DRIVER
+M: Harvey Hunt <harveyhuntnexus@gmail.com>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/nand/jz4780_*
+
INOTIFY
M: John McCutchan <john@johnmccutchan.com>
M: Robert Love <rlove@rlove.org>
@@ -6752,6 +6710,22 @@
S: Maintained
L: linux-crypto@vger.kernel.org
+INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
+M: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
+L: linux-ima-devel@lists.sourceforge.net
+L: linux-ima-user@lists.sourceforge.net
+L: linux-security-module@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git
+S: Supported
+F: security/integrity/ima/
+
+INTEL 810/815 FRAMEBUFFER DRIVER
+M: Antonino Daplas <adaplas@gmail.com>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: drivers/video/fbdev/i810/
+
INTEL ASoC BDW/HSW DRIVERS
M: Jie Yang <yang.jie@linux.intel.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
@@ -6769,17 +6743,74 @@
S: Supported
F: drivers/scsi/isci/
+INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
+M: Daniel Vetter <daniel.vetter@intel.com>
+M: Jani Nikula <jani.nikula@linux.intel.com>
+L: intel-gfx@lists.freedesktop.org
+W: https://01.org/linuxgraphics/
+B: https://01.org/linuxgraphics/documentation/how-report-bugs
+C: irc://chat.freenode.net/intel-gfx
+Q: http://patchwork.freedesktop.org/project/intel-gfx/
+T: git git://anongit.freedesktop.org/drm-intel
+S: Supported
+F: drivers/gpu/drm/i915/
+F: include/drm/i915*
+F: include/uapi/drm/i915_drm.h
+F: Documentation/gpu/i915.rst
+
+INTEL ETHERNET DRIVERS
+M: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
+L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers)
+W: http://www.intel.com/support/feedback.htm
+W: http://e1000.sourceforge.net/
+Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
+S: Supported
+F: Documentation/networking/e100.txt
+F: Documentation/networking/e1000.txt
+F: Documentation/networking/e1000e.txt
+F: Documentation/networking/igb.txt
+F: Documentation/networking/igbvf.txt
+F: Documentation/networking/ixgb.txt
+F: Documentation/networking/ixgbe.txt
+F: Documentation/networking/ixgbevf.txt
+F: Documentation/networking/i40e.txt
+F: Documentation/networking/i40evf.txt
+F: drivers/net/ethernet/intel/
+F: drivers/net/ethernet/intel/*/
+F: include/linux/avf/virtchnl.h
+
+INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
+M: Maik Broemme <mbroemme@libmpq.org>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: Documentation/fb/intelfb.txt
+F: drivers/video/fbdev/intelfb/
+
+INTEL GVT-g DRIVERS (Intel GPU Virtualization)
+M: Zhenyu Wang <zhenyuw@linux.intel.com>
+M: Zhi Wang <zhi.a.wang@intel.com>
+L: intel-gvt-dev@lists.freedesktop.org
+L: intel-gfx@lists.freedesktop.org
+W: https://01.org/igvt-g
+T: git https://github.com/01org/gvt-linux.git
+S: Supported
+F: drivers/gpu/drm/i915/gvt/
+
INTEL HID EVENT DRIVER
M: Alex Hung <alex.hung@canonical.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
F: drivers/platform/x86/intel-hid.c
-INTEL VIRTUAL BUTTON DRIVER
-M: AceLan Kao <acelan.kao@canonical.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: drivers/platform/x86/intel-vbtn.c
+INTEL I/OAT DMA DRIVER
+M: Dave Jiang <dave.jiang@intel.com>
+R: Dan Williams <dan.j.williams@intel.com>
+L: dmaengine@vger.kernel.org
+Q: https://patchwork.kernel.org/project/linux-dmaengine/list/
+S: Supported
+F: drivers/dma/ioat*
INTEL IDLE DRIVER
M: Jacob Pan <jacob.jun.pan@linux.intel.com>
@@ -6797,41 +6828,6 @@
S: Maintained
F: drivers/hid/intel-ish-hid/
-INTEL PSTATE DRIVER
-M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
-M: Len Brown <lenb@kernel.org>
-L: linux-pm@vger.kernel.org
-S: Supported
-F: drivers/cpufreq/intel_pstate.c
-
-INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
-M: Maik Broemme <mbroemme@libmpq.org>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: Documentation/fb/intelfb.txt
-F: drivers/video/fbdev/intelfb/
-
-INTEL 810/815 FRAMEBUFFER DRIVER
-M: Antonino Daplas <adaplas@gmail.com>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/i810/
-
-INTEL MENLOW THERMAL DRIVER
-M: Sujith Thomas <sujith.thomas@intel.com>
-L: platform-driver-x86@vger.kernel.org
-W: https://01.org/linux-acpi
-S: Supported
-F: drivers/platform/x86/intel_menlow.c
-
-INTEL I/OAT DMA DRIVER
-M: Dave Jiang <dave.jiang@intel.com>
-R: Dan Williams <dan.j.williams@intel.com>
-L: dmaengine@vger.kernel.org
-Q: https://patchwork.kernel.org/project/linux-dmaengine/list/
-S: Supported
-F: drivers/dma/ioat*
-
INTEL IOMMU (VT-d)
M: David Woodhouse <dwmw2@infradead.org>
L: iommu@lists.linux-foundation.org
@@ -6860,35 +6856,23 @@
S: Maintained
F: drivers/char/hw_random/ixp4xx-rng.c
-INTEL ETHERNET DRIVERS
-M: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers)
-W: http://www.intel.com/support/feedback.htm
-W: http://e1000.sourceforge.net/
-Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git
+INTEL MANAGEMENT ENGINE (mei)
+M: Tomas Winkler <tomas.winkler@intel.com>
+L: linux-kernel@vger.kernel.org
S: Supported
-F: Documentation/networking/e100.txt
-F: Documentation/networking/e1000.txt
-F: Documentation/networking/e1000e.txt
-F: Documentation/networking/igb.txt
-F: Documentation/networking/igbvf.txt
-F: Documentation/networking/ixgb.txt
-F: Documentation/networking/ixgbe.txt
-F: Documentation/networking/ixgbevf.txt
-F: Documentation/networking/i40e.txt
-F: Documentation/networking/i40evf.txt
-F: drivers/net/ethernet/intel/
-F: drivers/net/ethernet/intel/*/
-F: include/linux/avf/virtchnl.h
+F: include/uapi/linux/mei.h
+F: include/linux/mei_cl_bus.h
+F: drivers/misc/mei/*
+F: drivers/watchdog/mei_wdt.c
+F: Documentation/misc-devices/mei/*
+F: samples/mei/*
-INTEL RDMA RNIC DRIVER
-M: Faisal Latif <faisal.latif@intel.com>
-M: Shiraz Saleem <shiraz.saleem@intel.com>
-L: linux-rdma@vger.kernel.org
-S: Supported
-F: drivers/infiniband/hw/i40iw/
+INTEL MENLOW THERMAL DRIVER
+M: Sujith Thomas <sujith.thomas@intel.com>
+L: platform-driver-x86@vger.kernel.org
+W: https://01.org/linux-acpi
+S: Supported
+F: drivers/platform/x86/intel_menlow.c
INTEL MERRIFIELD GPIO DRIVER
M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
@@ -6896,11 +6880,38 @@
S: Maintained
F: drivers/gpio/gpio-merrifield.c
-INTEL-MID GPIO DRIVER
-M: David Cohen <david.a.cohen@linux.intel.com>
-L: linux-gpio@vger.kernel.org
+INTEL MIC DRIVERS (mic)
+M: Sudeep Dutt <sudeep.dutt@intel.com>
+M: Ashutosh Dixit <ashutosh.dixit@intel.com>
+S: Supported
+W: https://github.com/sudeepdutt/mic
+W: http://software.intel.com/en-us/mic-developer
+F: include/linux/mic_bus.h
+F: include/linux/scif.h
+F: include/uapi/linux/mic_common.h
+F: include/uapi/linux/mic_ioctl.h
+F: include/uapi/linux/scif_ioctl.h
+F: drivers/misc/mic/
+F: drivers/dma/mic_x100_dma.c
+F: drivers/dma/mic_x100_dma.h
+F: Documentation/mic/
+
+INTEL PMC CORE DRIVER
+M: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
+M: Vishwanath Somayaji <vishwanath.somayaji@intel.com>
+L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: drivers/gpio/gpio-intel-mid.c
+F: arch/x86/include/asm/pmc_core.h
+F: drivers/platform/x86/intel_pmc_core*
+
+INTEL PMC/P-Unit IPC DRIVER
+M: Zha Qipeng<qipeng.zha@intel.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel_pmc_ipc.c
+F: drivers/platform/x86/intel_punit_ipc.c
+F: arch/x86/include/asm/intel_pmc_ipc.h
+F: arch/x86/include/asm/intel_punit_ipc.h
INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
M: Stanislav Yakovlev <stas.yakovlev@gmail.com>
@@ -6910,31 +6921,32 @@
F: Documentation/networking/README.ipw2200
F: drivers/net/wireless/intel/ipw2x00/
-INTEL(R) TRACE HUB
-M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+INTEL PSTATE DRIVER
+M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
+M: Len Brown <lenb@kernel.org>
+L: linux-pm@vger.kernel.org
S: Supported
-F: Documentation/trace/intel_th.txt
-F: drivers/hwtracing/intel_th/
+F: drivers/cpufreq/intel_pstate.c
-INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
-M: Ning Sun <ning.sun@intel.com>
-L: tboot-devel@lists.sourceforge.net
-W: http://tboot.sourceforge.net
-T: hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot
+INTEL RDMA RNIC DRIVER
+M: Faisal Latif <faisal.latif@intel.com>
+M: Shiraz Saleem <shiraz.saleem@intel.com>
+L: linux-rdma@vger.kernel.org
S: Supported
-F: Documentation/intel_txt.txt
-F: include/linux/tboot.h
-F: arch/x86/kernel/tboot.c
+F: drivers/infiniband/hw/i40iw/
-INTEL WIRELESS WIMAX CONNECTION 2400
-M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
-M: linux-wimax@intel.com
-L: wimax@linuxwimax.org (subscribers-only)
-S: Supported
-W: http://linuxwimax.org
-F: Documentation/wimax/README.i2400m
-F: drivers/net/wimax/i2400m/
-F: include/uapi/linux/wimax/i2400m.h
+INTEL TELEMETRY DRIVER
+M: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: arch/x86/include/asm/intel_telemetry.h
+F: drivers/platform/x86/intel_telemetry*
+
+INTEL VIRTUAL BUTTON DRIVER
+M: AceLan Kao <acelan.kao@canonical.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel-vbtn.c
INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy)
M: Stanislaw Gruszka <sgruszka@redhat.com>
@@ -6953,56 +6965,37 @@
S: Supported
F: drivers/net/wireless/intel/iwlwifi/
-INTEL MANAGEMENT ENGINE (mei)
-M: Tomas Winkler <tomas.winkler@intel.com>
-L: linux-kernel@vger.kernel.org
+INTEL WIRELESS WIMAX CONNECTION 2400
+M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+M: linux-wimax@intel.com
+L: wimax@linuxwimax.org (subscribers-only)
S: Supported
-F: include/uapi/linux/mei.h
-F: include/linux/mei_cl_bus.h
-F: drivers/misc/mei/*
-F: drivers/watchdog/mei_wdt.c
-F: Documentation/misc-devices/mei/*
-F: samples/mei/*
+W: http://linuxwimax.org
+F: Documentation/wimax/README.i2400m
+F: drivers/net/wimax/i2400m/
+F: include/uapi/linux/wimax/i2400m.h
-INTEL MIC DRIVERS (mic)
-M: Sudeep Dutt <sudeep.dutt@intel.com>
-M: Ashutosh Dixit <ashutosh.dixit@intel.com>
+INTEL(R) TRACE HUB
+M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
S: Supported
-W: https://github.com/sudeepdutt/mic
-W: http://software.intel.com/en-us/mic-developer
-F: include/linux/mic_bus.h
-F: include/linux/scif.h
-F: include/uapi/linux/mic_common.h
-F: include/uapi/linux/mic_ioctl.h
-F: include/uapi/linux/scif_ioctl.h
-F: drivers/misc/mic/
-F: drivers/dma/mic_x100_dma.c
-F: drivers/dma/mic_x100_dma.h
-F: Documentation/mic/
+F: Documentation/trace/intel_th.txt
+F: drivers/hwtracing/intel_th/
-INTEL PMC/P-Unit IPC DRIVER
-M: Zha Qipeng<qipeng.zha@intel.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: drivers/platform/x86/intel_pmc_ipc.c
-F: drivers/platform/x86/intel_punit_ipc.c
-F: arch/x86/include/asm/intel_pmc_ipc.h
-F: arch/x86/include/asm/intel_punit_ipc.h
+INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
+M: Ning Sun <ning.sun@intel.com>
+L: tboot-devel@lists.sourceforge.net
+W: http://tboot.sourceforge.net
+T: hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot
+S: Supported
+F: Documentation/intel_txt.txt
+F: include/linux/tboot.h
+F: arch/x86/kernel/tboot.c
-INTEL TELEMETRY DRIVER
-M: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
-L: platform-driver-x86@vger.kernel.org
+INTEL-MID GPIO DRIVER
+M: David Cohen <david.a.cohen@linux.intel.com>
+L: linux-gpio@vger.kernel.org
S: Maintained
-F: arch/x86/include/asm/intel_telemetry.h
-F: drivers/platform/x86/intel_telemetry*
-
-INTEL PMC CORE DRIVER
-M: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
-M: Vishwanath Somayaji <vishwanath.somayaji@intel.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: arch/x86/include/asm/pmc_core.h
-F: drivers/platform/x86/intel_pmc_core*
+F: drivers/gpio/gpio-intel-mid.c
INVENSENSE MPU-3050 GYROSCOPE DRIVER
M: Linus Walleij <linus.walleij@linaro.org>
@@ -7048,13 +7041,6 @@
F: include/linux/ipmi*
F: include/uapi/linux/ipmi*
-QCOM AUDIO (ASoC) DRIVERS
-M: Patrick Lai <plai@codeaurora.org>
-M: Banajit Goswami <bgoswami@codeaurora.org>
-L: alsa-devel@alsa-project.org (moderated for non-subscribers)
-S: Supported
-F: sound/soc/qcom/
-
IPS SCSI RAID DRIVER
M: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
L: linux-scsi@vger.kernel.org
@@ -7101,6 +7087,15 @@
F: include/net/irda/
F: net/irda/
+IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
+M: Marc Zyngier <marc.zyngier@arm.com>
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
+F: Documentation/IRQ-domain.txt
+F: include/linux/irqdomain.h
+F: kernel/irq/irqdomain.c
+F: kernel/irq/msi.c
+
IRQ SUBSYSTEM
M: Thomas Gleixner <tglx@linutronix.de>
L: linux-kernel@vger.kernel.org
@@ -7115,19 +7110,9 @@
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
-T: git git://git.infradead.org/users/jcooper/linux.git irqchip/core
F: Documentation/devicetree/bindings/interrupt-controller/
F: drivers/irqchip/
-IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
-M: Marc Zyngier <marc.zyngier@arm.com>
-S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
-F: Documentation/IRQ-domain.txt
-F: include/linux/irqdomain.h
-F: kernel/irq/irqdomain.c
-F: kernel/irq/msi.c
-
ISA
M: William Breathitt Gray <vilhelm.gray@gmail.com>
S: Maintained
@@ -7135,13 +7120,6 @@
F: drivers/base/isa.c
F: include/linux/isa.h
-ISAPNP
-M: Jaroslav Kysela <perex@perex.cz>
-S: Maintained
-F: Documentation/isapnp.txt
-F: drivers/pnp/isapnp/
-F: include/linux/isapnp.h
-
ISA RADIO MODULE
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
@@ -7150,11 +7128,12 @@
S: Maintained
F: drivers/media/radio/radio-isa*
-iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER
-M: Peter Jones <pjones@redhat.com>
-M: Konrad Rzeszutek Wilk <konrad@kernel.org>
+ISAPNP
+M: Jaroslav Kysela <perex@perex.cz>
S: Maintained
-F: drivers/firmware/iscsi_ibft*
+F: Documentation/isapnp.txt
+F: drivers/pnp/isapnp/
+F: include/linux/isapnp.h
ISCSI
M: Lee Duncan <lduncan@suse.com>
@@ -7165,6 +7144,12 @@
F: drivers/scsi/*iscsi*
F: include/scsi/*iscsi*
+iSCSI BOOT FIRMWARE TABLE (iBFT) DRIVER
+M: Peter Jones <pjones@redhat.com>
+M: Konrad Rzeszutek Wilk <konrad@kernel.org>
+S: Maintained
+F: drivers/firmware/iscsi_ibft*
+
ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
M: Or Gerlitz <ogerlitz@mellanox.com>
M: Sagi Grimberg <sagi@grimberg.me>
@@ -7420,27 +7405,6 @@
F: arch/x86/include/asm/svm.h
F: arch/x86/kvm/svm.c
-KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC
-M: Alexander Graf <agraf@suse.com>
-L: kvm-ppc@vger.kernel.org
-W: http://www.linux-kvm.org/
-T: git git://github.com/agraf/linux-2.6.git
-S: Supported
-F: arch/powerpc/include/asm/kvm*
-F: arch/powerpc/kvm/
-
-KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
-M: Christian Borntraeger <borntraeger@de.ibm.com>
-M: Cornelia Huck <cohuck@redhat.com>
-L: linux-s390@vger.kernel.org
-W: http://www.ibm.com/developerworks/linux/linux390/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
-S: Supported
-F: Documentation/s390/kvm.txt
-F: arch/s390/include/asm/kvm*
-F: arch/s390/kvm/
-F: arch/s390/mm/gmap.c
-
KERNEL VIRTUAL MACHINE (KVM) FOR ARM
M: Christoffer Dall <christoffer.dall@linaro.org>
M: Marc Zyngier <marc.zyngier@arm.com>
@@ -7455,6 +7419,15 @@
F: virt/kvm/arm/
F: include/kvm/arm_*
+KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC
+M: Alexander Graf <agraf@suse.com>
+L: kvm-ppc@vger.kernel.org
+W: http://www.linux-kvm.org/
+T: git git://github.com/agraf/linux-2.6.git
+S: Supported
+F: arch/powerpc/include/asm/kvm*
+F: arch/powerpc/kvm/
+
KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
M: Christoffer Dall <christoffer.dall@linaro.org>
M: Marc Zyngier <marc.zyngier@arm.com>
@@ -7473,6 +7446,18 @@
F: arch/mips/include/asm/kvm*
F: arch/mips/kvm/
+KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
+M: Christian Borntraeger <borntraeger@de.ibm.com>
+M: Cornelia Huck <cohuck@redhat.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git
+S: Supported
+F: Documentation/s390/kvm.txt
+F: arch/s390/include/asm/kvm*
+F: arch/s390/kvm/
+F: arch/s390/mm/gmap.c
+
KERNFS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M: Tejun Heo <tj@kernel.org>
@@ -7490,17 +7475,15 @@
F: include/uapi/linux/kexec.h
F: kernel/kexec*
-KEYS/KEYRINGS:
-M: David Howells <dhowells@redhat.com>
+KEYS-ENCRYPTED
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
+M: David Safford <safford@us.ibm.com>
+L: linux-security-module@vger.kernel.org
L: keyrings@vger.kernel.org
-S: Maintained
-F: Documentation/security/keys/core.rst
-F: include/linux/key.h
-F: include/linux/key-type.h
-F: include/linux/keyctl.h
-F: include/uapi/linux/keyctl.h
-F: include/keys/
-F: security/keys/
+S: Supported
+F: Documentation/security/keys/trusted-encrypted.rst
+F: include/keys/encrypted-type.h
+F: security/keys/encrypted-keys/
KEYS-TRUSTED
M: David Safford <safford@us.ibm.com>
@@ -7513,15 +7496,17 @@
F: security/keys/trusted.c
F: security/keys/trusted.h
-KEYS-ENCRYPTED
-M: Mimi Zohar <zohar@linux.vnet.ibm.com>
-M: David Safford <safford@us.ibm.com>
-L: linux-security-module@vger.kernel.org
+KEYS/KEYRINGS:
+M: David Howells <dhowells@redhat.com>
L: keyrings@vger.kernel.org
-S: Supported
-F: Documentation/security/keys/trusted-encrypted.rst
-F: include/keys/encrypted-type.h
-F: security/keys/encrypted-keys/
+S: Maintained
+F: Documentation/security/keys/core.rst
+F: include/linux/key.h
+F: include/linux/key-type.h
+F: include/linux/keyctl.h
+F: include/uapi/linux/keyctl.h
+F: include/keys/
+F: security/keys/
KGDB / KDB /debug_core
M: Jason Wessel <jason.wessel@windriver.com>
@@ -7665,16 +7650,6 @@
F: include/linux/lguest*.h
F: tools/lguest/
-LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)
-M: Tejun Heo <tj@kernel.org>
-L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
-S: Maintained
-F: drivers/ata/
-F: include/linux/ata.h
-F: include/linux/libata.h
-F: Documentation/devicetree/bindings/ata/
-
LIBATA PATA ARASAN COMPACT FLASH CONTROLLER
M: Viresh Kumar <vireshk@kernel.org>
L: linux-ide@vger.kernel.org
@@ -7718,22 +7693,21 @@
S: Maintained
F: drivers/ata/sata_promise.*
+LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)
+M: Tejun Heo <tj@kernel.org>
+L: linux-ide@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+S: Maintained
+F: drivers/ata/
+F: include/linux/ata.h
+F: include/linux/libata.h
+F: Documentation/devicetree/bindings/ata/
+
LIBLOCKDEP
M: Sasha Levin <alexander.levin@verizon.com>
S: Maintained
F: tools/lib/lockdep/
-LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM
-M: Dan Williams <dan.j.williams@intel.com>
-L: linux-nvdimm@lists.01.org
-Q: https://patchwork.kernel.org/project/linux-nvdimm/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
-S: Supported
-F: drivers/nvdimm/*
-F: include/linux/nd.h
-F: include/linux/libnvdimm.h
-F: include/uapi/linux/ndctl.h
-
LIBNVDIMM BLK: MMIO-APERTURE DRIVER
M: Ross Zwisler <ross.zwisler@linux.intel.com>
L: linux-nvdimm@lists.01.org
@@ -7741,7 +7715,6 @@
S: Supported
F: drivers/nvdimm/blk.c
F: drivers/nvdimm/region_devs.c
-F: drivers/acpi/nfit*
LIBNVDIMM BTT: BLOCK TRANSLATION TABLE
M: Vishal Verma <vishal.l.verma@intel.com>
@@ -7757,6 +7730,18 @@
S: Supported
F: drivers/nvdimm/pmem*
+LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM
+M: Dan Williams <dan.j.williams@intel.com>
+L: linux-nvdimm@lists.01.org
+Q: https://patchwork.kernel.org/project/linux-nvdimm/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
+S: Supported
+F: drivers/nvdimm/*
+F: drivers/acpi/nfit/*
+F: include/linux/nd.h
+F: include/linux/libnvdimm.h
+F: include/uapi/linux/ndctl.h
+
LIGHTNVM PLATFORM SUPPORT
M: Matias Bjorling <mb@lightnvm.io>
W: http://github/OpenChannelSSD
@@ -7766,6 +7751,14 @@
F: include/linux/lightnvm.h
F: include/uapi/linux/lightnvm.h
+LINUX FOR POWER MACINTOSH
+M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
+W: http://www.penguinppc.org/
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
+F: arch/powerpc/platforms/powermac/
+F: drivers/macintosh/
+
LINUX FOR POWERPC (32-BIT AND 64-BIT)
M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
M: Paul Mackerras <paulus@samba.org>
@@ -7799,14 +7792,6 @@
N: [^a-z0-9]ps3
N: pseries
-LINUX FOR POWER MACINTOSH
-M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-W: http://www.penguinppc.org/
-L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
-F: arch/powerpc/platforms/powermac/
-F: drivers/macintosh/
-
LINUX FOR POWERPC EMBEDDED MPC5XXX
M: Anatolij Gustschin <agust@denx.de>
L: linuxppc-dev@lists.ozlabs.org
@@ -7824,19 +7809,6 @@
F: arch/powerpc/platforms/40x/
F: arch/powerpc/platforms/44x/
-LINUX FOR POWERPC EMBEDDED XILINX VIRTEX
-L: linuxppc-dev@lists.ozlabs.org
-S: Orphan
-F: arch/powerpc/*/*virtex*
-F: arch/powerpc/*/*/*virtex*
-
-LINUX FOR POWERPC EMBEDDED PPC8XX
-M: Vitaly Bordug <vitb@kernel.crashing.org>
-W: http://www.penguinppc.org/
-L: linuxppc-dev@lists.ozlabs.org
-S: Maintained
-F: arch/powerpc/platforms/8xx/
-
LINUX FOR POWERPC EMBEDDED PPC83XX AND PPC85XX
M: Scott Wood <oss@buserror.net>
M: Kumar Gala <galak@kernel.crashing.org>
@@ -7848,6 +7820,19 @@
F: arch/powerpc/platforms/85xx/
F: Documentation/devicetree/bindings/powerpc/fsl/
+LINUX FOR POWERPC EMBEDDED PPC8XX
+M: Vitaly Bordug <vitb@kernel.crashing.org>
+W: http://www.penguinppc.org/
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
+F: arch/powerpc/platforms/8xx/
+
+LINUX FOR POWERPC EMBEDDED XILINX VIRTEX
+L: linuxppc-dev@lists.ozlabs.org
+S: Orphan
+F: arch/powerpc/*/*virtex*
+F: arch/powerpc/*/*/*virtex*
+
LINUX FOR POWERPC PA SEMI PWRFICIENT
L: linuxppc-dev@lists.ozlabs.org
S: Orphan
@@ -7855,6 +7840,11 @@
F: drivers/*/*pasemi*
F: drivers/*/*/*pasemi*
+LINUX KERNEL DUMP TEST MODULE (LKDTM)
+M: Kees Cook <keescook@chromium.org>
+S: Maintained
+F: drivers/misc/lkdtm*
+
LINUX SECURITY MODULE (LSM) FRAMEWORK
M: Chris Wright <chrisw@sous-sol.org>
L: linux-security-module@vger.kernel.org
@@ -7884,11 +7874,6 @@
L: live-patching@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching.git
-LINUX KERNEL DUMP TEST MODULE (LKDTM)
-M: Kees Cook <keescook@chromium.org>
-S: Maintained
-F: drivers/misc/lkdtm*
-
LLC (802.2)
L: netdev@vger.kernel.org
S: Odd fixes
@@ -7941,6 +7926,13 @@
S: Maintained
F: drivers/media/usb/dvb-usb-v2/lmedm04*
+LOADPIN SECURITY MODULE
+M: Kees Cook <keescook@chromium.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git lsm/loadpin
+S: Supported
+F: security/loadpin/
+F: Documentation/admin-guide/LSM/LoadPin.rst
+
LOCKING PRIMITIVES
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
@@ -8231,14 +8223,6 @@
F: Documentation/devicetree/bindings/sound/max9860.txt
F: sound/soc/codecs/max9860.*
-MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
-M: Krzysztof Kozlowski <krzk@kernel.org>
-M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
-L: linux-pm@vger.kernel.org
-S: Supported
-F: drivers/power/supply/max14577_charger.c
-F: drivers/power/supply/max77693_charger.c
-
MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER
M: Javier Martinez Canillas <javier@dowhile0.org>
L: linux-kernel@vger.kernel.org
@@ -8247,6 +8231,14 @@
F: Documentation/devicetree/bindings/*/*max77802.txt
F: include/dt-bindings/*/*max77802.h
+MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
+L: linux-pm@vger.kernel.org
+S: Supported
+F: drivers/power/supply/max14577_charger.c
+F: drivers/power/supply/max77693_charger.c
+
MAXIM PMIC AND MUIC DRIVERS FOR EXYNOS BASED BOARDS
M: Chanwoo Choi <cw00.choi@samsung.com>
M: Krzysztof Kozlowski <krzk@kernel.org>
@@ -8289,14 +8281,25 @@
S: Maintained
F: drivers/iio/dac/cio-dac.c
-MEDIA DRIVERS FOR RENESAS - DRIF
-M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
+MEDIA DRIVERS FOR ASCOT2E
+M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
-L: linux-renesas-soc@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
T: git git://linuxtv.org/media_tree.git
S: Supported
-F: Documentation/devicetree/bindings/media/renesas,drif.txt
-F: drivers/media/platform/rcar_drif.c
+F: drivers/media/dvb-frontends/ascot2e*
+
+MEDIA DRIVERS FOR CXD2841ER
+M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/dvb-frontends/cxd2841er*
MEDIA DRIVERS FOR FREESCALE IMX
M: Steve Longerbeam <slongerbeam@gmail.com>
@@ -8310,6 +8313,54 @@
F: include/linux/imx-media.h
F: include/media/imx.h
+MEDIA DRIVERS FOR HELENE
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/dvb-frontends/helene*
+
+MEDIA DRIVERS FOR HORUS3A
+M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/dvb-frontends/horus3a*
+
+MEDIA DRIVERS FOR LNBH25
+M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/dvb-frontends/lnbh25*
+
+MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
+M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/pci/netup_unidvb/*
+
+MEDIA DRIVERS FOR RENESAS - DRIF
+M: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
+L: linux-media@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/renesas,drif.txt
+F: drivers/media/platform/rcar_drif.c
+
MEDIA DRIVERS FOR RENESAS - FCP
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
@@ -8347,65 +8398,6 @@
F: Documentation/devicetree/bindings/media/renesas,vsp1.txt
F: drivers/media/platform/vsp1/
-MEDIA DRIVERS FOR HELENE
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/dvb-frontends/helene*
-
-MEDIA DRIVERS FOR ASCOT2E
-M: Sergey Kozlov <serjk@netup.ru>
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/dvb-frontends/ascot2e*
-
-MEDIA DRIVERS FOR CXD2841ER
-M: Sergey Kozlov <serjk@netup.ru>
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/dvb-frontends/cxd2841er*
-
-MEDIA DRIVERS FOR HORUS3A
-M: Sergey Kozlov <serjk@netup.ru>
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/dvb-frontends/horus3a*
-
-MEDIA DRIVERS FOR LNBH25
-M: Sergey Kozlov <serjk@netup.ru>
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/dvb-frontends/lnbh25*
-
-MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
-M: Sergey Kozlov <serjk@netup.ru>
-M: Abylay Ospan <aospan@netup.ru>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-W: http://netup.tv/
-T: git git://linuxtv.org/media_tree.git
-S: Supported
-F: drivers/media/pci/netup_unidvb/*
-
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
M: Mauro Carvalho Chehab <mchehab@kernel.org>
@@ -8443,15 +8435,6 @@
F: drivers/media/platform/mtk-jpeg/
F: Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
-MEDIATEK MEDIA DRIVER
-M: Tiffany Lin <tiffany.lin@mediatek.com>
-M: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
-S: Supported
-F: drivers/media/platform/mtk-vcodec/
-F: drivers/media/platform/mtk-vpu/
-F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt
-F: Documentation/devicetree/bindings/media/mediatek-vpu.txt
-
MEDIATEK MDP DRIVER
M: Minghsiu Tsai <minghsiu.tsai@mediatek.com>
M: Houlong Wei <houlong.wei@mediatek.com>
@@ -8461,6 +8444,15 @@
F: drivers/media/platform/mtk-vpu/
F: Documentation/devicetree/bindings/media/mediatek-mdp.txt
+MEDIATEK MEDIA DRIVER
+M: Tiffany Lin <tiffany.lin@mediatek.com>
+M: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
+S: Supported
+F: drivers/media/platform/mtk-vcodec/
+F: drivers/media/platform/mtk-vpu/
+F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt
+F: Documentation/devicetree/bindings/media/mediatek-vpu.txt
+
MEDIATEK MT7601U WIRELESS LAN DRIVER
M: Jakub Kicinski <kubakici@wp.pl>
L: linux-wireless@vger.kernel.org
@@ -8468,9 +8460,9 @@
F: drivers/net/wireless/mediatek/mt7601u/
MEDIATEK RANDOM NUMBER GENERATOR SUPPORT
-M: Sean Wang <sean.wang@mediatek.com>
-S: Maintained
-F: drivers/char/hw_random/mtk-rng.c
+M: Sean Wang <sean.wang@mediatek.com>
+S: Maintained
+F: drivers/char/hw_random/mtk-rng.c
MEGACHIPS STDPXXXX-GE-B850V3-FW LVDS/DP++ BRIDGES
M: Peter Senna Tschudin <peter.senna@collabora.com>
@@ -8492,6 +8484,13 @@
F: drivers/scsi/megaraid.*
F: drivers/scsi/megaraid/
+MELEXIS MLX90614 DRIVER
+M: Crt Mori <cmo@melexis.com>
+L: linux-iio@vger.kernel.org
+W: http://www.melexis.com
+S: Supported
+F: drivers/iio/temperature/mlx90614.c
+
MELFAS MIP4 TOUCHSCREEN DRIVER
M: Sangwon Jee <jeesw@melfas.com>
W: http://www.melfas.com
@@ -8552,6 +8551,56 @@
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlxfw/
+MELLANOX MLX CPLD HOTPLUG DRIVER
+M: Vadim Pasternak <vadimp@mellanox.com>
+L: platform-driver-x86@vger.kernel.org
+S: Supported
+F: drivers/platform/x86/mlxcpld-hotplug.c
+F: include/linux/platform_data/mlxcpld-hotplug.h
+
+MELLANOX MLX4 core VPI driver
+M: Tariq Toukan <tariqt@mellanox.com>
+L: netdev@vger.kernel.org
+L: linux-rdma@vger.kernel.org
+W: http://www.mellanox.com
+Q: http://patchwork.ozlabs.org/project/netdev/list/
+S: Supported
+F: drivers/net/ethernet/mellanox/mlx4/
+F: include/linux/mlx4/
+
+MELLANOX MLX4 IB driver
+M: Yishai Hadas <yishaih@mellanox.com>
+L: linux-rdma@vger.kernel.org
+W: http://www.mellanox.com
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+S: Supported
+F: drivers/infiniband/hw/mlx4/
+F: include/linux/mlx4/
+F: include/uapi/rdma/mlx4-abi.h
+
+MELLANOX MLX5 core VPI driver
+M: Saeed Mahameed <saeedm@mellanox.com>
+M: Matan Barak <matanb@mellanox.com>
+M: Leon Romanovsky <leonro@mellanox.com>
+L: netdev@vger.kernel.org
+L: linux-rdma@vger.kernel.org
+W: http://www.mellanox.com
+Q: http://patchwork.ozlabs.org/project/netdev/list/
+S: Supported
+F: drivers/net/ethernet/mellanox/mlx5/core/
+F: include/linux/mlx5/
+
+MELLANOX MLX5 IB driver
+M: Matan Barak <matanb@mellanox.com>
+M: Leon Romanovsky <leonro@mellanox.com>
+L: linux-rdma@vger.kernel.org
+W: http://www.mellanox.com
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+S: Supported
+F: drivers/infiniband/hw/mlx5/
+F: include/linux/mlx5/
+F: include/uapi/rdma/mlx5-abi.h
+
MELLANOX MLXCPLD I2C AND MUX DRIVER
M: Vadim Pasternak <vadimp@mellanox.com>
M: Michael Shych <michaelsh@mellanox.com>
@@ -8569,26 +8618,10 @@
F: Documentation/leds/leds-mlxcpld.txt
MELLANOX PLATFORM DRIVER
-M: Vadim Pasternak <vadimp@mellanox.com>
-L: platform-driver-x86@vger.kernel.org
-S: Supported
-F: drivers/platform/x86/mlx-platform.c
-
-MELLANOX MLX CPLD HOTPLUG DRIVER
M: Vadim Pasternak <vadimp@mellanox.com>
L: platform-driver-x86@vger.kernel.org
S: Supported
-F: drivers/platform/x86/mlxcpld-hotplug.c
-F: include/linux/platform_data/mlxcpld-hotplug.h
-
-SOFT-ROCE DRIVER (rxe)
-M: Moni Shoua <monis@mellanox.com>
-L: linux-rdma@vger.kernel.org
-S: Supported
-W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home
-Q: http://patchwork.kernel.org/project/linux-rdma/list/
-F: drivers/infiniband/sw/rxe/
-F: include/uapi/rdma/rdma_user_rxe.h
+F: drivers/platform/x86/mlx-platform.c
MEMBARRIER SUPPORT
M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
@@ -8710,6 +8743,18 @@
F: drivers/usb/misc/usb251xb.c
F: Documentation/devicetree/bindings/usb/usb251xb.txt
+MICROSEMI SMART ARRAY SMARTPQI DRIVER (smartpqi)
+M: Don Brace <don.brace@microsemi.com>
+L: esc.storagedev@microsemi.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/smartpqi/smartpqi*.[ch]
+F: drivers/scsi/smartpqi/Kconfig
+F: drivers/scsi/smartpqi/Makefile
+F: include/linux/cciss*.h
+F: include/uapi/linux/cciss*.h
+F: Documentation/scsi/smartpqi.txt
+
MICROSOFT SURFACE PRO 3 BUTTON DRIVER
M: Chen Yu <yu.c.chen@intel.com>
L: platform-driver-x86@vger.kernel.org
@@ -8732,6 +8777,16 @@
F: Documentation/mips/
F: arch/mips/
+MIPS BOSTON DEVELOPMENT BOARD
+M: Paul Burton <paul.burton@imgtec.com>
+L: linux-mips@linux-mips.org
+S: Maintained
+F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
+F: arch/mips/boot/dts/img/boston.dts
+F: arch/mips/configs/generic/board-boston.config
+F: drivers/clk/imgtec/clk-boston.c
+F: include/dt-bindings/clock/boston-clock.h
+
MIPS GENERIC PLATFORM
M: Paul Burton <paul.burton@imgtec.com>
L: linux-mips@linux-mips.org
@@ -8747,16 +8802,6 @@
F: drivers/*/*loongson1*
F: drivers/*/*/*loongson1*
-MIPS BOSTON DEVELOPMENT BOARD
-M: Paul Burton <paul.burton@imgtec.com>
-L: linux-mips@linux-mips.org
-S: Maintained
-F: Documentation/devicetree/bindings/clock/img,boston-clock.txt
-F: arch/mips/boot/dts/img/boston.dts
-F: arch/mips/configs/generic/board-boston.config
-F: drivers/clk/imgtec/clk-boston.c
-F: include/dt-bindings/clock/boston-clock.h
-
MIROSOUND PCM20 FM RADIO RECEIVER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
@@ -8765,67 +8810,15 @@
S: Odd Fixes
F: drivers/media/radio/radio-miropcm20*
-MELLANOX MLX4 core VPI driver
-M: Tariq Toukan <tariqt@mellanox.com>
-L: netdev@vger.kernel.org
-L: linux-rdma@vger.kernel.org
-W: http://www.mellanox.com
-Q: http://patchwork.ozlabs.org/project/netdev/list/
-S: Supported
-F: drivers/net/ethernet/mellanox/mlx4/
-F: include/linux/mlx4/
-
-MELLANOX MLX4 IB driver
-M: Yishai Hadas <yishaih@mellanox.com>
-L: linux-rdma@vger.kernel.org
-W: http://www.mellanox.com
-Q: http://patchwork.kernel.org/project/linux-rdma/list/
-S: Supported
-F: drivers/infiniband/hw/mlx4/
-F: include/linux/mlx4/
-F: include/uapi/rdma/mlx4-abi.h
-
-MELLANOX MLX5 core VPI driver
-M: Saeed Mahameed <saeedm@mellanox.com>
-M: Matan Barak <matanb@mellanox.com>
-M: Leon Romanovsky <leonro@mellanox.com>
-L: netdev@vger.kernel.org
-L: linux-rdma@vger.kernel.org
-W: http://www.mellanox.com
-Q: http://patchwork.ozlabs.org/project/netdev/list/
-S: Supported
-F: drivers/net/ethernet/mellanox/mlx5/core/
-F: include/linux/mlx5/
-
-MELLANOX MLX5 IB driver
-M: Matan Barak <matanb@mellanox.com>
-M: Leon Romanovsky <leonro@mellanox.com>
-L: linux-rdma@vger.kernel.org
-W: http://www.mellanox.com
-Q: http://patchwork.kernel.org/project/linux-rdma/list/
-S: Supported
-F: drivers/infiniband/hw/mlx5/
-F: include/linux/mlx5/
-F: include/uapi/rdma/mlx5-abi.h
-
-MELEXIS MLX90614 DRIVER
-M: Crt Mori <cmo@melexis.com>
-L: linux-iio@vger.kernel.org
-W: http://www.melexis.com
-S: Supported
-F: drivers/iio/temperature/mlx90614.c
-
-MICROSEMI SMART ARRAY SMARTPQI DRIVER (smartpqi)
-M: Don Brace <don.brace@microsemi.com>
-L: esc.storagedev@microsemi.com
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: drivers/scsi/smartpqi/smartpqi*.[ch]
-F: drivers/scsi/smartpqi/Kconfig
-F: drivers/scsi/smartpqi/Makefile
-F: include/linux/cciss*.h
-F: include/uapi/linux/cciss*.h
-F: Documentation/scsi/smartpqi.txt
+MMP SUPPORT
+M: Eric Miao <eric.y.miao@gmail.com>
+M: Haojian Zhuang <haojian.zhuang@gmail.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+T: git git://github.com/hzhuang1/linux.git
+T: git git://git.linaro.org/people/ycmiao/pxa-linux.git
+S: Maintained
+F: arch/arm/boot/dts/mmp*
+F: arch/arm/mach-mmp/
MN88472 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
@@ -8959,6 +8952,11 @@
F: include/linux/mfd/
F: include/dt-bindings/mfd/
+MULTIMEDIA CARD (MMC) ETC. OVER SPI
+S: Orphan
+F: drivers/mmc/host/mmc_spi.c
+F: include/linux/spi/mmc_spi.h
+
MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
M: Ulf Hansson <ulf.hansson@linaro.org>
L: linux-mmc@vger.kernel.org
@@ -8969,11 +8967,6 @@
F: include/linux/mmc/
F: include/uapi/linux/mmc/
-MULTIMEDIA CARD (MMC) ETC. OVER SPI
-S: Orphan
-F: drivers/mmc/host/mmc_spi.c
-F: include/linux/spi/mmc_spi.h
-
MULTIPLEXER SUBSYSTEM
M: Peter Rosin <peda@axentia.se>
S: Maintained
@@ -9036,10 +9029,6 @@
F: drivers/mtd/nand/
F: include/linux/mtd/nand*.h
-NATSEMI ETHERNET DRIVER (DP8381x)
-S: Orphan
-F: drivers/net/ethernet/natsemi/natsemi.c
-
NATIVE INSTRUMENTS USB SOUND INTERFACE DRIVER
M: Daniel Mack <zonque@gmail.com>
S: Maintained
@@ -9047,6 +9036,10 @@
W: http://www.native-instruments.com
F: sound/usb/caiaq/
+NATSEMI ETHERNET DRIVER (DP8381x)
+S: Orphan
+F: drivers/net/ethernet/natsemi/natsemi.c
+
NCP FILESYSTEM
M: Petr Vandrovec <petr@vandrovec.name>
S: Odd Fixes
@@ -9166,6 +9159,35 @@
W: https://fedorahosted.org/dropwatch/
F: net/core/drop_monitor.c
+NETWORKING DRIVERS
+L: netdev@vger.kernel.org
+W: http://www.linuxfoundation.org/en/Net
+Q: http://patchwork.ozlabs.org/project/netdev/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
+S: Odd Fixes
+F: Documentation/devicetree/bindings/net/
+F: drivers/net/
+F: include/linux/if_*
+F: include/linux/netdevice.h
+F: include/linux/etherdevice.h
+F: include/linux/fcdevice.h
+F: include/linux/fddidevice.h
+F: include/linux/hippidevice.h
+F: include/linux/inetdevice.h
+F: include/uapi/linux/if_*
+F: include/uapi/linux/netdevice.h
+
+NETWORKING DRIVERS (WIRELESS)
+M: Kalle Valo <kvalo@codeaurora.org>
+L: linux-wireless@vger.kernel.org
+Q: http://patchwork.kernel.org/project/linux-wireless/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git
+S: Maintained
+F: Documentation/devicetree/bindings/net/wireless/
+F: drivers/net/wireless/
+
NETWORKING [DSA]
M: Andrew Lunn <andrew@lunn.ch>
M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
@@ -9197,28 +9219,6 @@
F: tools/testing/selftests/net/
F: lib/random32.c
-NETWORKING [IPv4/IPv6]
-M: "David S. Miller" <davem@davemloft.net>
-M: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
-M: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
-L: netdev@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
-S: Maintained
-F: net/ipv4/
-F: net/ipv6/
-F: include/net/ip*
-F: arch/x86/net/*
-
-NETWORKING [TLS]
-M: Ilya Lesokhin <ilyal@mellanox.com>
-M: Aviad Yehezkel <aviadye@mellanox.com>
-M: Dave Watson <davejwatson@fb.com>
-L: netdev@vger.kernel.org
-S: Maintained
-F: net/tls/*
-F: include/uapi/linux/tls.h
-F: include/net/tls.h
-
NETWORKING [IPSEC]
M: Steffen Klassert <steffen.klassert@secunet.com>
M: Herbert Xu <herbert@gondor.apana.org.au>
@@ -9243,44 +9243,37 @@
F: include/uapi/linux/xfrm.h
F: include/net/xfrm.h
+NETWORKING [IPv4/IPv6]
+M: "David S. Miller" <davem@davemloft.net>
+M: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
+M: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
+L: netdev@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
+S: Maintained
+F: net/ipv4/
+F: net/ipv6/
+F: include/net/ip*
+F: arch/x86/net/*
+
NETWORKING [LABELED] (NetLabel, CIPSO, Labeled IPsec, SECMARK)
M: Paul Moore <paul@paul-moore.com>
L: netdev@vger.kernel.org
S: Maintained
+NETWORKING [TLS]
+M: Ilya Lesokhin <ilyal@mellanox.com>
+M: Aviad Yehezkel <aviadye@mellanox.com>
+M: Dave Watson <davejwatson@fb.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: net/tls/*
+F: include/uapi/linux/tls.h
+F: include/net/tls.h
+
NETWORKING [WIRELESS]
L: linux-wireless@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-wireless/list/
-NETWORKING DRIVERS
-L: netdev@vger.kernel.org
-W: http://www.linuxfoundation.org/en/Net
-Q: http://patchwork.ozlabs.org/project/netdev/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
-S: Odd Fixes
-F: Documentation/devicetree/bindings/net/
-F: drivers/net/
-F: include/linux/if_*
-F: include/linux/netdevice.h
-F: include/linux/etherdevice.h
-F: include/linux/fcdevice.h
-F: include/linux/fddidevice.h
-F: include/linux/hippidevice.h
-F: include/linux/inetdevice.h
-F: include/uapi/linux/if_*
-F: include/uapi/linux/netdevice.h
-
-NETWORKING DRIVERS (WIRELESS)
-M: Kalle Valo <kvalo@codeaurora.org>
-L: linux-wireless@vger.kernel.org
-Q: http://patchwork.kernel.org/project/linux-wireless/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git
-S: Maintained
-F: Documentation/devicetree/bindings/net/wireless/
-F: drivers/net/wireless/
-
NETXEN (1/10) GbE SUPPORT
M: Manish Chopra <manish.chopra@cavium.com>
M: Rahul Verma <rahul.verma@cavium.com>
@@ -9373,14 +9366,6 @@
F: drivers/media/i2c/et8ek8
F: drivers/media/i2c/ad5820.c
-NOKIA N900 CAMERA SUPPORT (ET8EK8 SENSOR, AD5820 FOCUS)
-M: Pavel Machek <pavel@ucw.cz>
-M: Sakari Ailus <sakari.ailus@iki.fi>
-L: linux-media@vger.kernel.org
-S: Maintained
-F: drivers/media/i2c/et8ek8
-F: drivers/media/i2c/ad5820.c
-
NOKIA N900 POWER SUPPLY DRIVERS
R: Pali Rohár <pali.rohar@gmail.com>
F: include/linux/power/bq2415x_charger.h
@@ -9392,6 +9377,12 @@
F: drivers/power/supply/isp1704_charger.c
F: drivers/power/supply/rx51_battery.c
+NTB AMD DRIVER
+M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
+L: linux-ntb@googlegroups.com
+S: Supported
+F: drivers/ntb/hw/amd/
+
NTB DRIVER CORE
M: Jon Mason <jdmason@kudzu.us>
M: Dave Jiang <dave.jiang@intel.com>
@@ -9421,12 +9412,6 @@
T: git git://github.com/jonmason/ntb.git
F: drivers/ntb/hw/intel/
-NTB AMD DRIVER
-M: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
-L: linux-ntb@googlegroups.com
-S: Supported
-F: drivers/ntb/hw/amd/
-
NTFS FILESYSTEM
M: Anton Altaparmakov <anton@tuxera.com>
L: linux-ntfs-dev@lists.sourceforge.net
@@ -9456,15 +9441,6 @@
F: include/linux/nvme.h
F: include/uapi/linux/nvme_ioctl.h
-NVM EXPRESS TARGET DRIVER
-M: Christoph Hellwig <hch@lst.de>
-M: Sagi Grimberg <sagi@grimberg.me>
-L: linux-nvme@lists.infradead.org
-T: git://git.infradead.org/nvme.git
-W: http://git.infradead.org/nvme.git
-S: Supported
-F: drivers/nvme/target/
-
NVM EXPRESS FC TRANSPORT DRIVERS
M: James Smart <james.smart@broadcom.com>
L: linux-nvme@lists.infradead.org
@@ -9475,6 +9451,15 @@
F: drivers/nvme/target/fc.c
F: drivers/nvme/target/fcloop.c
+NVM EXPRESS TARGET DRIVER
+M: Christoph Hellwig <hch@lst.de>
+M: Sagi Grimberg <sagi@grimberg.me>
+L: linux-nvme@lists.infradead.org
+T: git://git.infradead.org/nvme.git
+W: http://git.infradead.org/nvme.git
+S: Supported
+F: drivers/nvme/target/
+
NVMEM FRAMEWORK
M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
S: Maintained
@@ -9483,13 +9468,6 @@
F: include/linux/nvmem-consumer.h
F: include/linux/nvmem-provider.h
-NXP-NCI NFC DRIVER
-M: Clément Perrochaud <clement.perrochaud@effinnov.com>
-R: Charles Gorand <charles.gorand@effinnov.com>
-L: linux-nfc@lists.01.org (moderated for non-subscribers)
-S: Supported
-F: drivers/nfc/nxp-nci
-
NXP TDA998X DRM DRIVER
M: Russell King <linux@armlinux.org.uk>
S: Supported
@@ -9504,11 +9482,153 @@
S: Maintained
F: sound/soc/codecs/tfa9879*
+NXP-NCI NFC DRIVER
+M: Clément Perrochaud <clement.perrochaud@effinnov.com>
+R: Charles Gorand <charles.gorand@effinnov.com>
+L: linux-nfc@lists.01.org (moderated for non-subscribers)
+S: Supported
+F: drivers/nfc/nxp-nci
+
OBJTOOL
M: Josh Poimboeuf <jpoimboe@redhat.com>
S: Supported
F: tools/objtool/
+OMAP AUDIO SUPPORT
+M: Peter Ujfalusi <peter.ujfalusi@ti.com>
+M: Jarkko Nikula <jarkko.nikula@bitmer.com>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: sound/soc/omap/
+
+OMAP CLOCK FRAMEWORK SUPPORT
+M: Paul Walmsley <paul@pwsan.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/*omap*/*clock*
+
+OMAP DEVICE TREE SUPPORT
+M: Benoît Cousson <bcousson@baylibre.com>
+M: Tony Lindgren <tony@atomide.com>
+L: linux-omap@vger.kernel.org
+L: devicetree@vger.kernel.org
+S: Maintained
+F: arch/arm/boot/dts/*omap*
+F: arch/arm/boot/dts/*am3*
+F: arch/arm/boot/dts/*am4*
+F: arch/arm/boot/dts/*am5*
+F: arch/arm/boot/dts/*dra7*
+
+OMAP DISPLAY SUBSYSTEM and FRAMEBUFFER SUPPORT (DSS2)
+M: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: linux-omap@vger.kernel.org
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: drivers/video/fbdev/omap2/
+F: Documentation/arm/OMAP/DSS
+
+OMAP FRAMEBUFFER SUPPORT
+M: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: linux-fbdev@vger.kernel.org
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/video/fbdev/omap/
+
+OMAP GENERAL PURPOSE MEMORY CONTROLLER SUPPORT
+M: Roger Quadros <rogerq@ti.com>
+M: Tony Lindgren <tony@atomide.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/memory/omap-gpmc.c
+F: arch/arm/mach-omap2/*gpmc*
+
+OMAP GPIO DRIVER
+M: Grygorii Strashko <grygorii.strashko@ti.com>
+M: Santosh Shilimkar <ssantosh@kernel.org>
+M: Kevin Hilman <khilman@kernel.org>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/gpio/gpio-omap.txt
+F: drivers/gpio/gpio-omap.c
+
+OMAP HARDWARE SPINLOCK SUPPORT
+M: Ohad Ben-Cohen <ohad@wizery.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/hwspinlock/omap_hwspinlock.c
+
+OMAP HS MMC SUPPORT
+L: linux-mmc@vger.kernel.org
+L: linux-omap@vger.kernel.org
+S: Orphan
+F: drivers/mmc/host/omap_hsmmc.c
+
+OMAP HWMOD DATA
+M: Paul Walmsley <paul@pwsan.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/mach-omap2/omap_hwmod*data*
+
+OMAP HWMOD DATA FOR OMAP4-BASED DEVICES
+M: Benoît Cousson <bcousson@baylibre.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+
+OMAP HWMOD SUPPORT
+M: Benoît Cousson <bcousson@baylibre.com>
+M: Paul Walmsley <paul@pwsan.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/mach-omap2/omap_hwmod.*
+
+OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS)
+M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/media/ti,omap3isp.txt
+F: drivers/media/platform/omap3isp/
+F: drivers/staging/media/omap4iss/
+
+OMAP MMC SUPPORT
+M: Jarkko Lavinen <jarkko.lavinen@nokia.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/mmc/host/omap.c
+
+OMAP POWER MANAGEMENT SUPPORT
+M: Kevin Hilman <khilman@kernel.org>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/*omap*/*pm*
+F: drivers/cpufreq/omap-cpufreq.c
+
+OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT
+M: Rajendra Nayak <rnayak@codeaurora.org>
+M: Paul Walmsley <paul@pwsan.com>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/mach-omap2/prm*
+
+OMAP RANDOM NUMBER GENERATOR SUPPORT
+M: Deepak Saxena <dsaxena@plexity.net>
+S: Maintained
+F: drivers/char/hw_random/omap-rng.c
+
+OMAP USB SUPPORT
+L: linux-usb@vger.kernel.org
+L: linux-omap@vger.kernel.org
+S: Orphan
+F: drivers/usb/*/*omap*
+F: arch/arm/*omap*/usb*
+
+OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
+M: Mark Jackson <mpfj@newflow.co.uk>
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: arch/arm/boot/dts/am335x-nano.dts
+
OMAP1 SUPPORT
M: Aaro Koskinen <aaro.koskinen@iki.fi>
M: Tony Lindgren <tony@atomide.com>
@@ -9554,141 +9674,6 @@
F: drivers/regulator/twl6030-regulator.c
F: include/linux/i2c-omap.h
-OMAP DEVICE TREE SUPPORT
-M: Benoît Cousson <bcousson@baylibre.com>
-M: Tony Lindgren <tony@atomide.com>
-L: linux-omap@vger.kernel.org
-L: devicetree@vger.kernel.org
-S: Maintained
-F: arch/arm/boot/dts/*omap*
-F: arch/arm/boot/dts/*am3*
-F: arch/arm/boot/dts/*am4*
-F: arch/arm/boot/dts/*am5*
-F: arch/arm/boot/dts/*dra7*
-
-OMAP CLOCK FRAMEWORK SUPPORT
-M: Paul Walmsley <paul@pwsan.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/*omap*/*clock*
-
-OMAP POWER MANAGEMENT SUPPORT
-M: Kevin Hilman <khilman@kernel.org>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/*omap*/*pm*
-F: drivers/cpufreq/omap-cpufreq.c
-
-OMAP POWERDOMAIN SOC ADAPTATION LAYER SUPPORT
-M: Rajendra Nayak <rnayak@codeaurora.org>
-M: Paul Walmsley <paul@pwsan.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/mach-omap2/prm*
-
-OMAP AUDIO SUPPORT
-M: Peter Ujfalusi <peter.ujfalusi@ti.com>
-M: Jarkko Nikula <jarkko.nikula@bitmer.com>
-L: alsa-devel@alsa-project.org (moderated for non-subscribers)
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: sound/soc/omap/
-
-OMAP GENERAL PURPOSE MEMORY CONTROLLER SUPPORT
-M: Roger Quadros <rogerq@ti.com>
-M: Tony Lindgren <tony@atomide.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: drivers/memory/omap-gpmc.c
-F: arch/arm/mach-omap2/*gpmc*
-
-OMAP FRAMEBUFFER SUPPORT
-M: Tomi Valkeinen <tomi.valkeinen@ti.com>
-L: linux-fbdev@vger.kernel.org
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/omap/
-
-OMAP DISPLAY SUBSYSTEM and FRAMEBUFFER SUPPORT (DSS2)
-M: Tomi Valkeinen <tomi.valkeinen@ti.com>
-L: linux-omap@vger.kernel.org
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/omap2/
-F: Documentation/arm/OMAP/DSS
-
-OMAP HARDWARE SPINLOCK SUPPORT
-M: Ohad Ben-Cohen <ohad@wizery.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: drivers/hwspinlock/omap_hwspinlock.c
-
-OMAP MMC SUPPORT
-M: Jarkko Lavinen <jarkko.lavinen@nokia.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: drivers/mmc/host/omap.c
-
-OMAP HS MMC SUPPORT
-L: linux-mmc@vger.kernel.org
-L: linux-omap@vger.kernel.org
-S: Orphan
-F: drivers/mmc/host/omap_hsmmc.c
-
-OMAP RANDOM NUMBER GENERATOR SUPPORT
-M: Deepak Saxena <dsaxena@plexity.net>
-S: Maintained
-F: drivers/char/hw_random/omap-rng.c
-
-OMAP HWMOD SUPPORT
-M: Benoît Cousson <bcousson@baylibre.com>
-M: Paul Walmsley <paul@pwsan.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/mach-omap2/omap_hwmod.*
-
-OMAP HWMOD DATA
-M: Paul Walmsley <paul@pwsan.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/mach-omap2/omap_hwmod*data*
-
-OMAP HWMOD DATA FOR OMAP4-BASED DEVICES
-M: Benoît Cousson <bcousson@baylibre.com>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c
-
-OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS)
-M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-L: linux-media@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/media/ti,omap3isp.txt
-F: drivers/media/platform/omap3isp/
-F: drivers/staging/media/omap4iss/
-
-OMAP USB SUPPORT
-L: linux-usb@vger.kernel.org
-L: linux-omap@vger.kernel.org
-S: Orphan
-F: drivers/usb/*/*omap*
-F: arch/arm/*omap*/usb*
-
-OMAP GPIO DRIVER
-M: Grygorii Strashko <grygorii.strashko@ti.com>
-M: Santosh Shilimkar <ssantosh@kernel.org>
-M: Kevin Hilman <khilman@kernel.org>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/gpio/gpio-omap.txt
-F: drivers/gpio/gpio-omap.c
-
-OMAP/NEWFLOW NANOBONE MACHINE SUPPORT
-M: Mark Jackson <mpfj@newflow.co.uk>
-L: linux-omap@vger.kernel.org
-S: Maintained
-F: arch/arm/boot/dts/am335x-nano.dts
-
OMFS FILESYSTEM
M: Bob Copeland <me@bobcopeland.com>
L: linux-karma-devel@lists.sourceforge.net
@@ -9708,6 +9693,13 @@
S: Maintained
F: drivers/char/pcmcia/cm4040_cs.*
+OMNIVISION OV13858 SENSOR DRIVER
+M: Sakari Ailus <sakari.ailus@linux.intel.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/i2c/ov13858.c
+
OMNIVISION OV5640 SENSOR DRIVER
M: Steve Longerbeam <slongerbeam@gmail.com>
L: linux-media@vger.kernel.org
@@ -9730,13 +9722,6 @@
F: drivers/media/i2c/ov7670.c
F: Documentation/devicetree/bindings/media/i2c/ov7670.txt
-OMNIVISION OV13858 SENSOR DRIVER
-M: Sakari Ailus <sakari.ailus@linux.intel.com>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-S: Maintained
-F: drivers/media/i2c/ov13858.c
-
ONENAND FLASH DRIVER
M: Kyungmin Park <kyungmin.park@samsung.com>
L: linux-mtd@lists.infradead.org
@@ -9754,12 +9739,26 @@
F: drivers/scsi/osst_*.h
F: drivers/scsi/st.h
-OPENCORES I2C BUS DRIVER
-M: Peter Korsgaard <jacmet@sunsite.dk>
-L: linux-i2c@vger.kernel.org
+OP-TEE DRIVER
+M: Jens Wiklander <jens.wiklander@linaro.org>
S: Maintained
-F: Documentation/i2c/busses/i2c-ocores
-F: drivers/i2c/busses/i2c-ocores.c
+F: drivers/tee/optee/
+
+OPA-VNIC DRIVER
+M: Dennis Dalessandro <dennis.dalessandro@intel.com>
+M: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+F: drivers/infiniband/ulp/opa_vnic
+
+OPEN FIRMWARE AND DEVICE TREE OVERLAYS
+M: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
+L: devicetree@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/dynamic-resolution-notes.txt
+F: Documentation/devicetree/overlay-notes.txt
+F: drivers/of/overlay.c
+F: drivers/of/resolver.c
OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Rob Herring <robh+dt@kernel.org>
@@ -9784,14 +9783,12 @@
F: arch/*/boot/dts/
F: include/dt-bindings/
-OPEN FIRMWARE AND DEVICE TREE OVERLAYS
-M: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
-L: devicetree@vger.kernel.org
+OPENCORES I2C BUS DRIVER
+M: Peter Korsgaard <jacmet@sunsite.dk>
+L: linux-i2c@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/dynamic-resolution-notes.txt
-F: Documentation/devicetree/overlay-notes.txt
-F: drivers/of/overlay.c
-F: drivers/of/resolver.c
+F: Documentation/i2c/busses/i2c-ocores
+F: drivers/i2c/busses/i2c-ocores.c
OPENRISC ARCHITECTURE
M: Jonas Bonn <jonas@southpole.se>
@@ -9840,11 +9837,6 @@
F: drivers/oprofile/
F: include/linux/oprofile.h
-OP-TEE DRIVER
-M: Jens Wiklander <jens.wiklander@linaro.org>
-S: Maintained
-F: drivers/tee/optee/
-
ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
M: Mark Fasheh <mfasheh@versity.com>
M: Joel Becker <jlbec@evilplan.org>
@@ -9855,6 +9847,14 @@
F: Documentation/filesystems/dlmfs.txt
F: fs/ocfs2/
+ORANGEFS FILESYSTEM
+M: Mike Marshall <hubcap@omnibond.com>
+L: pvfs2-developers@beowulf-underground.org (subscribers-only)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux.git
+S: Supported
+F: fs/orangefs/
+F: Documentation/filesystems/orangefs.txt
+
ORINOCO DRIVER
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/orinoco
@@ -9869,6 +9869,16 @@
F: include/scsi/osd_*
F: fs/exofs/
+OV2659 OMNIVISION SENSOR DRIVER
+M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
+S: Maintained
+F: drivers/media/i2c/ov2659.c
+F: include/media/i2c/ov2659.h
+
OVERLAY FILESYSTEM
M: Miklos Szeredi <miklos@szeredi.hu>
L: linux-unionfs@vger.kernel.org
@@ -9877,14 +9887,6 @@
F: fs/overlayfs/
F: Documentation/filesystems/overlayfs.txt
-ORANGEFS FILESYSTEM
-M: Mike Marshall <hubcap@omnibond.com>
-L: pvfs2-developers@beowulf-underground.org (subscribers-only)
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux.git
-S: Supported
-F: fs/orangefs/
-F: Documentation/filesystems/orangefs.txt
-
P54 WIRELESS DRIVER
M: Christian Lamparter <chunkeey@googlemail.com>
L: linux-wireless@vger.kernel.org
@@ -9925,11 +9927,11 @@
F: arch/mn10300/
PARALLEL LCD/KEYPAD PANEL DRIVER
-M: Willy Tarreau <willy@haproxy.com>
-M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
-S: Odd Fixes
-F: Documentation/misc-devices/lcd-panel-cgram.txt
-F: drivers/misc/panel.c
+M: Willy Tarreau <willy@haproxy.com>
+M: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
+S: Odd Fixes
+F: Documentation/misc-devices/lcd-panel-cgram.txt
+F: drivers/misc/panel.c
PARALLEL PORT SUBSYSTEM
M: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
@@ -10025,42 +10027,13 @@
S: Maintained
F: drivers/firmware/pcdp.*
-PCI ERROR RECOVERY
-M: Linas Vepstas <linasvepstas@gmail.com>
+PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
+M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
L: linux-pci@vger.kernel.org
-S: Supported
-F: Documentation/PCI/pci-error-recovery.txt
-
-PCI ENHANCED ERROR HANDLING (EEH) FOR POWERPC
-M: Russell Currey <ruscur@russell.cc>
-L: linuxppc-dev@lists.ozlabs.org
-S: Supported
-F: Documentation/powerpc/eeh-pci-error-recovery.txt
-F: arch/powerpc/kernel/eeh*.c
-F: arch/powerpc/platforms/*/eeh*.c
-F: arch/powerpc/include/*/eeh*.h
-
-PCI SUBSYSTEM
-M: Bjorn Helgaas <bhelgaas@google.com>
-L: linux-pci@vger.kernel.org
-Q: http://patchwork.ozlabs.org/project/linux-pci/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
-S: Supported
-F: Documentation/devicetree/bindings/pci/
-F: Documentation/PCI/
-F: drivers/pci/
-F: include/linux/pci*
-F: arch/x86/pci/
-F: arch/x86/kernel/quirks.c
-
-PCI ENDPOINT SUBSYSTEM
-M: Kishon Vijay Abraham I <kishon@ti.com>
-L: linux-pci@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
-S: Supported
-F: drivers/pci/endpoint/
-F: drivers/misc/pci_endpoint_test.c
-F: tools/pci/
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/pci/aardvark-pci.txt
+F: drivers/pci/host/pci-aardvark.c
PCI DRIVER FOR ALTERA PCIE IP
M: Ley Foon Tan <lftan@altera.com>
@@ -10070,6 +10043,14 @@
F: Documentation/devicetree/bindings/pci/altera-pcie.txt
F: drivers/pci/host/pcie-altera.c
+PCI DRIVER FOR APPLIEDMICRO XGENE
+M: Tanmay Inamdar <tinamdar@apm.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: Documentation/devicetree/bindings/pci/xgene-pci.txt
+F: drivers/pci/host/pci-xgene.c
+
PCI DRIVER FOR ARM VERSATILE PLATFORM
M: Rob Herring <robh@kernel.org>
L: linux-pci@vger.kernel.org
@@ -10086,14 +10067,6 @@
F: Documentation/devicetree/bindings/pci/pci-armada8k.txt
F: drivers/pci/dwc/pcie-armada8k.c
-PCI DRIVER FOR APPLIEDMICRO XGENE
-M: Tanmay Inamdar <tinamdar@apm.com>
-L: linux-pci@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org
-S: Maintained
-F: Documentation/devicetree/bindings/pci/xgene-pci.txt
-F: drivers/pci/host/pci-xgene.c
-
PCI DRIVER FOR FREESCALE LAYERSCAPE
M: Minghuan Lian <minghuan.Lian@freescale.com>
M: Mingkai Hu <mingkai.hu@freescale.com>
@@ -10104,6 +10077,15 @@
S: Maintained
F: drivers/pci/dwc/*layerscape*
+PCI DRIVER FOR GENERIC OF HOSTS
+M: Will Deacon <will.deacon@arm.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/pci/host-generic-pci.txt
+F: drivers/pci/host/pci-host-common.c
+F: drivers/pci/host/pci-host-generic.c
+
PCI DRIVER FOR IMX6
M: Richard Zhu <hongxing.zhu@nxp.com>
M: Lucas Stach <l.stach@pengutronix.de>
@@ -10113,28 +10095,11 @@
F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
F: drivers/pci/dwc/*imx6*
-PCI DRIVER FOR TI KEYSTONE
-M: Murali Karicheri <m-karicheri2@ti.com>
+PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD)
+M: Keith Busch <keith.busch@intel.com>
L: linux-pci@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: drivers/pci/dwc/*keystone*
-
-PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
-M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-M: Jason Cooper <jason@lakedaemon.net>
-L: linux-pci@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: drivers/pci/host/*mvebu*
-
-PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
-M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-L: linux-pci@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Maintained
-F: Documentation/devicetree/bindings/pci/aardvark-pci.txt
-F: drivers/pci/host/pci-aardvark.c
+S: Supported
+F: drivers/pci/host/vmd.c
PCI DRIVER FOR MICROSEMI SWITCHTEC
M: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
@@ -10147,6 +10112,14 @@
F: drivers/pci/switch/switchtec*
F: include/uapi/linux/switchtec_ioctl.h
+PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
+M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+M: Jason Cooper <jason@lakedaemon.net>
+L: linux-pci@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/pci/host/*mvebu*
+
PCI DRIVER FOR NVIDIA TEGRA
M: Thierry Reding <thierry.reding@gmail.com>
L: linux-tegra@vger.kernel.org
@@ -10155,14 +10128,6 @@
F: Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
F: drivers/pci/host/pci-tegra.c
-PCI DRIVER FOR TI DRA7XX
-M: Kishon Vijay Abraham I <kishon@ti.com>
-L: linux-omap@vger.kernel.org
-L: linux-pci@vger.kernel.org
-S: Supported
-F: Documentation/devicetree/bindings/pci/ti-pci.txt
-F: drivers/pci/dwc/pci-dra7xx.c
-
PCI DRIVER FOR RENESAS R-CAR
M: Simon Horman <horms@verge.net.au>
L: linux-pci@vger.kernel.org
@@ -10186,26 +10151,44 @@
F: Documentation/devicetree/bindings/pci/designware-pcie.txt
F: drivers/pci/dwc/*designware*
-PCI DRIVER FOR GENERIC OF HOSTS
-M: Will Deacon <will.deacon@arm.com>
+PCI DRIVER FOR TI DRA7XX
+M: Kishon Vijay Abraham I <kishon@ti.com>
+L: linux-omap@vger.kernel.org
+L: linux-pci@vger.kernel.org
+S: Supported
+F: Documentation/devicetree/bindings/pci/ti-pci.txt
+F: drivers/pci/dwc/pci-dra7xx.c
+
+PCI DRIVER FOR TI KEYSTONE
+M: Murali Karicheri <m-karicheri2@ti.com>
L: linux-pci@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
-F: Documentation/devicetree/bindings/pci/host-generic-pci.txt
-F: drivers/pci/host/pci-host-common.c
-F: drivers/pci/host/pci-host-generic.c
+F: drivers/pci/dwc/*keystone*
-PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD)
-M: Keith Busch <keith.busch@intel.com>
+PCI ENDPOINT SUBSYSTEM
+M: Kishon Vijay Abraham I <kishon@ti.com>
+L: linux-pci@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
+S: Supported
+F: drivers/pci/endpoint/
+F: drivers/misc/pci_endpoint_test.c
+F: tools/pci/
+
+PCI ENHANCED ERROR HANDLING (EEH) FOR POWERPC
+M: Russell Currey <ruscur@russell.cc>
+L: linuxppc-dev@lists.ozlabs.org
+S: Supported
+F: Documentation/powerpc/eeh-pci-error-recovery.txt
+F: arch/powerpc/kernel/eeh*.c
+F: arch/powerpc/platforms/*/eeh*.c
+F: arch/powerpc/include/*/eeh*.h
+
+PCI ERROR RECOVERY
+M: Linas Vepstas <linasvepstas@gmail.com>
L: linux-pci@vger.kernel.org
S: Supported
-F: drivers/pci/host/vmd.c
-
-PCIE DRIVER FOR ST SPEAR13XX
-M: Pratyush Anand <pratyush.anand@gmail.com>
-L: linux-pci@vger.kernel.org
-S: Maintained
-F: drivers/pci/dwc/*spear*
+F: Documentation/PCI/pci-error-recovery.txt
PCI MSI DRIVER FOR ALTERA MSI IP
M: Ley Foon Tan <lftan@altera.com>
@@ -10223,6 +10206,19 @@
F: Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
F: drivers/pci/host/pci-xgene-msi.c
+PCI SUBSYSTEM
+M: Bjorn Helgaas <bhelgaas@google.com>
+L: linux-pci@vger.kernel.org
+Q: http://patchwork.ozlabs.org/project/linux-pci/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
+S: Supported
+F: Documentation/devicetree/bindings/pci/
+F: Documentation/PCI/
+F: drivers/pci/
+F: include/linux/pci*
+F: arch/x86/pci/
+F: arch/x86/kernel/quirks.c
+
PCIE DRIVER FOR AXIS ARTPEC
M: Niklas Cassel <niklas.cassel@axis.com>
M: Jesper Nilsson <jesper.nilsson@axis.com>
@@ -10232,6 +10228,14 @@
F: Documentation/devicetree/bindings/pci/axis,artpec*
F: drivers/pci/dwc/*artpec*
+PCIE DRIVER FOR CAVIUM THUNDERX
+M: David Daney <david.daney@cavium.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Supported
+F: Documentation/devicetree/bindings/pci/pci-thunder-*
+F: drivers/pci/host/pci-thunder-*
+
PCIE DRIVER FOR HISILICON
M: Zhou Wang <wangzhou1@hisilicon.com>
M: Gabriele Paoloni <gabriele.paoloni@huawei.com>
@@ -10248,6 +10252,21 @@
F: Documentation/devicetree/bindings/pci/pcie-kirin.txt
F: drivers/pci/dwc/pcie-kirin.c
+PCIE DRIVER FOR MEDIATEK
+M: Ryder Lee <ryder.lee@mediatek.com>
+L: linux-pci@vger.kernel.org
+L: linux-mediatek@lists.infradead.org
+S: Supported
+F: Documentation/devicetree/bindings/pci/mediatek*
+F: drivers/pci/host/*mediatek*
+
+PCIE DRIVER FOR QUALCOMM MSM
+M: Stanimir Varbanov <svarbanov@mm-sol.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-msm@vger.kernel.org
+S: Maintained
+F: drivers/pci/dwc/*qcom*
+
PCIE DRIVER FOR ROCKCHIP
M: Shawn Lin <shawn.lin@rock-chips.com>
L: linux-pci@vger.kernel.org
@@ -10256,28 +10275,11 @@
F: Documentation/devicetree/bindings/pci/rockchip-pcie.txt
F: drivers/pci/host/pcie-rockchip.c
-PCIE DRIVER FOR QUALCOMM MSM
-M: Stanimir Varbanov <svarbanov@mm-sol.com>
-L: linux-pci@vger.kernel.org
-L: linux-arm-msm@vger.kernel.org
-S: Maintained
-F: drivers/pci/dwc/*qcom*
-
-PCIE DRIVER FOR CAVIUM THUNDERX
-M: David Daney <david.daney@cavium.com>
+PCIE DRIVER FOR ST SPEAR13XX
+M: Pratyush Anand <pratyush.anand@gmail.com>
L: linux-pci@vger.kernel.org
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S: Supported
-F: Documentation/devicetree/bindings/pci/pci-thunder-*
-F: drivers/pci/host/pci-thunder-*
-
-PCIE DRIVER FOR MEDIATEK
-M: Ryder Lee <ryder.lee@mediatek.com>
-L: linux-pci@vger.kernel.org
-L: linux-mediatek@lists.infradead.org
-S: Supported
-F: Documentation/devicetree/bindings/pci/mediatek*
-F: drivers/pci/host/*mediatek*
+S: Maintained
+F: drivers/pci/dwc/*spear*
PCMCIA SUBSYSTEM
P: Linux PCMCIA Team
@@ -10380,7 +10382,7 @@
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/
-F: Documentation/pinctrl.txt
+F: Documentation/driver-api/pinctl.rst
F: drivers/pinctrl/
F: include/linux/pinctrl/
@@ -10446,14 +10448,14 @@
F: drivers/pinctrl/spear/
PISTACHIO SOC SUPPORT
-M: James Hartley <james.hartley@imgtec.com>
-M: Ionela Voinescu <ionela.voinescu@imgtec.com>
-L: linux-mips@linux-mips.org
-S: Maintained
-F: arch/mips/pistachio/
-F: arch/mips/include/asm/mach-pistachio/
-F: arch/mips/boot/dts/img/pistachio*
-F: arch/mips/configs/pistachio*_defconfig
+M: James Hartley <james.hartley@imgtec.com>
+M: Ionela Voinescu <ionela.voinescu@imgtec.com>
+L: linux-mips@linux-mips.org
+S: Maintained
+F: arch/mips/pistachio/
+F: arch/mips/include/asm/mach-pistachio/
+F: arch/mips/boot/dts/img/pistachio*
+F: arch/mips/configs/pistachio*_defconfig
PKTCDVD DRIVER
S: Orphan
@@ -10496,6 +10498,11 @@
S: Supported
F: drivers/scsi/pm8001/
+PNP SUPPORT
+M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
+S: Maintained
+F: drivers/pnp/
+
POSIX CLOCKS and TIMERS
M: Thomas Gleixner <tglx@linutronix.de>
L: linux-kernel@vger.kernel.org
@@ -10517,15 +10524,6 @@
F: include/linux/powercap.h
F: drivers/powercap/
-POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
-M: Sebastian Reichel <sre@kernel.org>
-L: linux-pm@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git
-S: Maintained
-F: Documentation/devicetree/bindings/power/supply/
-F: include/linux/power_supply.h
-F: drivers/power/supply/
-
POWER STATE COORDINATION INTERFACE (PSCI)
M: Mark Rutland <mark.rutland@arm.com>
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
@@ -10535,23 +10533,21 @@
F: include/linux/psci.h
F: include/uapi/linux/psci.h
+POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
+M: Sebastian Reichel <sre@kernel.org>
+L: linux-pm@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git
+S: Maintained
+F: Documentation/devicetree/bindings/power/supply/
+F: include/linux/power_supply.h
+F: drivers/power/supply/
+
POWERNV OPERATOR PANEL LCD DISPLAY DRIVER
M: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/char/powernv-op-panel.c
-PNP SUPPORT
-M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
-S: Maintained
-F: drivers/pnp/
-
-PPP PROTOCOL DRIVERS AND COMPRESSORS
-M: Paul Mackerras <paulus@samba.org>
-L: linux-ppp@vger.kernel.org
-S: Maintained
-F: drivers/net/ppp/ppp_*
-
PPP OVER ATM (RFC 2364)
M: Mitchell Blank Jr <mitch@sfgoth.com>
S: Maintained
@@ -10571,6 +10567,12 @@
F: include/linux/if_pppol2tp.h
F: include/uapi/linux/if_pppol2tp.h
+PPP PROTOCOL DRIVERS AND COMPRESSORS
+M: Paul Mackerras <paulus@samba.org>
+L: linux-ppp@vger.kernel.org
+S: Maintained
+F: drivers/net/ppp/ppp_*
+
PPS SUPPORT
M: Rodolfo Giometti <giometti@enneenne.com>
W: http://wiki.enneenne.com/index.php/LinuxPPS_support
@@ -10684,7 +10686,6 @@
F: include/linux/ptp_cl*
PTRACE SUPPORT
-M: Roland McGrath <roland@hack.frob.com>
M: Oleg Nesterov <oleg@redhat.com>
S: Maintained
F: include/asm-generic/syscall.h
@@ -10692,7 +10693,12 @@
F: include/linux/regset.h
F: include/linux/tracehook.h
F: include/uapi/linux/ptrace.h
+F: include/uapi/linux/ptrace.h
+F: include/asm-generic/ptrace.h
F: kernel/ptrace.c
+F: arch/*/ptrace*.c
+F: arch/*/*/ptrace*.c
+F: arch/*/include/asm/ptrace*.h
PULSE8-CEC DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
@@ -10741,6 +10747,20 @@
F: drivers/gpio/gpio-mvebu.c
F: Documentation/devicetree/bindings/gpio/gpio-mvebu.txt
+PXA GPIO DRIVER
+M: Robert Jarzmik <robert.jarzmik@free.fr>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: drivers/gpio/gpio-pxa.c
+
+PXA MMCI DRIVER
+S: Orphan
+
+PXA RTC DRIVER
+M: Robert Jarzmik <robert.jarzmik@free.fr>
+L: linux-rtc@vger.kernel.org
+S: Maintained
+
PXA2xx/PXA3xx SUPPORT
M: Daniel Mack <daniel@zonque.org>
M: Haojian Zhuang <haojian.zhuang@gmail.com>
@@ -10760,36 +10780,12 @@
F: sound/arm/pxa*
F: sound/soc/pxa/
-PXA GPIO DRIVER
-M: Robert Jarzmik <robert.jarzmik@free.fr>
-L: linux-gpio@vger.kernel.org
-S: Maintained
-F: drivers/gpio/gpio-pxa.c
-
PXA3xx NAND FLASH DRIVER
M: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
L: linux-mtd@lists.infradead.org
S: Maintained
F: drivers/mtd/nand/pxa3xx_nand.c
-MMP SUPPORT
-M: Eric Miao <eric.y.miao@gmail.com>
-M: Haojian Zhuang <haojian.zhuang@gmail.com>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-T: git git://github.com/hzhuang1/linux.git
-T: git git://git.linaro.org/people/ycmiao/pxa-linux.git
-S: Maintained
-F: arch/arm/boot/dts/mmp*
-F: arch/arm/mach-mmp/
-
-PXA MMCI DRIVER
-S: Orphan
-
-PXA RTC DRIVER
-M: Robert Jarzmik <robert.jarzmik@free.fr>
-L: linux-rtc@vger.kernel.org
-S: Maintained
-
QAT DRIVER
M: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
M: Salvatore Benedetto <salvatore.benedetto@intel.com>
@@ -10797,12 +10793,56 @@
S: Supported
F: drivers/crypto/qat/
+QCOM AUDIO (ASoC) DRIVERS
+M: Patrick Lai <plai@codeaurora.org>
+M: Banajit Goswami <bgoswami@codeaurora.org>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Supported
+F: sound/soc/qcom/
+
+QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT
+M: Gabriel Somlo <somlo@cmu.edu>
+M: "Michael S. Tsirkin" <mst@redhat.com>
+L: qemu-devel@nongnu.org
+S: Maintained
+F: drivers/firmware/qemu_fw_cfg.c
+
QIB DRIVER
M: Mike Marciniszyn <infinipath@intel.com>
L: linux-rdma@vger.kernel.org
S: Supported
F: drivers/infiniband/hw/qib/
+QLOGIC QL41xxx FCOE DRIVER
+M: QLogic-Storage-Upstream@cavium.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/qedf/
+
+QLOGIC QL41xxx ISCSI DRIVER
+M: QLogic-Storage-Upstream@cavium.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/qedi/
+
+QLOGIC QL4xxx ETHERNET DRIVER
+M: Yuval Mintz <Yuval.Mintz@cavium.com>
+M: Ariel Elior <Ariel.Elior@cavium.com>
+M: everest-linux-l2@cavium.com
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/qlogic/qed/
+F: include/linux/qed/
+F: drivers/net/ethernet/qlogic/qede/
+
+QLOGIC QL4xxx RDMA DRIVER
+M: Ram Amrani <Ram.Amrani@cavium.com>
+M: Ariel Elior <Ariel.Elior@cavium.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+F: drivers/infiniband/hw/qedr/
+F: include/uapi/rdma/qedr-abi.h
+
QLOGIC QLA1280 SCSI DRIVER
M: Michael Reed <mdr@sgi.com>
L: linux-scsi@vger.kernel.org
@@ -10816,13 +10856,6 @@
F: Documentation/scsi/LICENSE.qla2xxx
F: drivers/scsi/qla2xxx/
-QLOGIC QLA4XXX iSCSI DRIVER
-M: QLogic-Storage-Upstream@qlogic.com
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: Documentation/scsi/LICENSE.qla4xxx
-F: drivers/scsi/qla4xxx/
-
QLOGIC QLA3XXX NETWORK DRIVER
M: Dept-GELinuxNICDev@cavium.com
L: netdev@vger.kernel.org
@@ -10830,6 +10863,13 @@
F: Documentation/networking/LICENSE.qla3xxx
F: drivers/net/ethernet/qlogic/qla3xxx.*
+QLOGIC QLA4XXX iSCSI DRIVER
+M: QLogic-Storage-Upstream@qlogic.com
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: Documentation/scsi/LICENSE.qla4xxx
+F: drivers/scsi/qla4xxx/
+
QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
M: Harish Patil <harish.patil@cavium.com>
M: Manish Chopra <manish.chopra@cavium.com>
@@ -10846,28 +10886,6 @@
S: Supported
F: drivers/net/ethernet/qlogic/qlge/
-QLOGIC QL4xxx ETHERNET DRIVER
-M: Yuval Mintz <Yuval.Mintz@cavium.com>
-M: Ariel Elior <Ariel.Elior@cavium.com>
-M: everest-linux-l2@cavium.com
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/qlogic/qed/
-F: include/linux/qed/
-F: drivers/net/ethernet/qlogic/qede/
-
-QLOGIC QL41xxx ISCSI DRIVER
-M: QLogic-Storage-Upstream@cavium.com
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: drivers/scsi/qedi/
-
-QLOGIC QL41xxx FCOE DRIVER
-M: QLogic-Storage-Upstream@cavium.com
-L: linux-scsi@vger.kernel.org
-S: Supported
-F: drivers/scsi/qedf/
-
QNX4 FILESYSTEM
M: Anders Larsen <al@alarsen.net>
W: http://www.alarsen.net/linux/qnx4fs/
@@ -10894,13 +10912,6 @@
S: Maintained
F: drivers/media/tuners/qt1010*
-QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
-M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
-L: linux-wireless@vger.kernel.org
-W: http://wireless.kernel.org/en/users/Drivers/ath9k
-S: Supported
-F: drivers/net/wireless/ath/ath9k/
-
QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M: Kalle Valo <kvalo@qca.qualcomm.com>
L: ath10k@lists.infradead.org
@@ -10909,6 +10920,13 @@
S: Supported
F: drivers/net/wireless/ath/ath10k/
+QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
+M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
+L: linux-wireless@vger.kernel.org
+W: http://wireless.kernel.org/en/users/Drivers/ath9k
+S: Supported
+F: drivers/net/wireless/ath/ath9k/
+
QUALCOMM EMAC GIGABIT ETHERNET DRIVER
M: Timur Tabi <timur@codeaurora.org>
L: netdev@vger.kernel.org
@@ -10938,33 +10956,24 @@
S: Supported
F: drivers/net/wireless/ath/wcn36xx/
-QEMU MACHINE EMULATOR AND VIRTUALIZER SUPPORT
-M: Gabriel Somlo <somlo@cmu.edu>
-M: "Michael S. Tsirkin" <mst@redhat.com>
-L: qemu-devel@nongnu.org
-S: Maintained
-F: drivers/firmware/qemu_fw_cfg.c
-
QUANTENNA QTNFMAC WIRELESS DRIVER
-M: Igor Mitsyanko <imitsyanko@quantenna.com>
-M: Avinash Patil <avinashp@quantenna.com>
-M: Sergey Matyukevich <smatyukevich@quantenna.com>
-L: linux-wireless@vger.kernel.org
-S: Maintained
-F: drivers/net/wireless/quantenna
+M: Igor Mitsyanko <imitsyanko@quantenna.com>
+M: Avinash Patil <avinashp@quantenna.com>
+M: Sergey Matyukevich <smatyukevich@quantenna.com>
+L: linux-wireless@vger.kernel.org
+S: Maintained
+F: drivers/net/wireless/quantenna
-RADOS BLOCK DEVICE (RBD)
-M: Ilya Dryomov <idryomov@gmail.com>
-M: Sage Weil <sage@redhat.com>
-M: Alex Elder <elder@kernel.org>
-L: ceph-devel@vger.kernel.org
-W: http://ceph.com/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
-T: git git://github.com/ceph/ceph-client.git
+RADEON and AMDGPU DRM DRIVERS
+M: Alex Deucher <alexander.deucher@amd.com>
+M: Christian König <christian.koenig@amd.com>
+L: amd-gfx@lists.freedesktop.org
+T: git git://people.freedesktop.org/~agd5f/linux
S: Supported
-F: Documentation/ABI/testing/sysfs-bus-rbd
-F: drivers/block/rbd.c
-F: drivers/block/rbd_types.h
+F: drivers/gpu/drm/radeon/
+F: include/uapi/drm/radeon_drm.h
+F: drivers/gpu/drm/amd/
+F: include/uapi/drm/amdgpu_drm.h
RADEON FRAMEBUFFER DISPLAY DRIVER
M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
@@ -10988,6 +10997,19 @@
F: drivers/media/radio/radio-shark2.c
F: drivers/media/radio/radio-tea5777.c
+RADOS BLOCK DEVICE (RBD)
+M: Ilya Dryomov <idryomov@gmail.com>
+M: Sage Weil <sage@redhat.com>
+M: Alex Elder <elder@kernel.org>
+L: ceph-devel@vger.kernel.org
+W: http://ceph.com/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
+T: git git://github.com/ceph/ceph-client.git
+S: Supported
+F: Documentation/ABI/testing/sysfs-bus-rbd
+F: drivers/block/rbd.c
+F: drivers/block/rbd_types.h
+
RAGE128 FRAMEBUFFER DISPLAY DRIVER
M: Paul Mackerras <paulus@samba.org>
L: linux-fbdev@vger.kernel.org
@@ -11067,6 +11089,12 @@
S: Maintained
F: drivers/net/ethernet/rdc/r6040.c
+RDMAVT - RDMA verbs software
+M: Dennis Dalessandro <dennis.dalessandro@intel.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+F: drivers/infiniband/sw/rdmavt
+
RDS - RELIABLE DATAGRAM SOCKETS
M: Santosh Shilimkar <santosh.shilimkar@oracle.com>
L: netdev@vger.kernel.org
@@ -11077,12 +11105,6 @@
F: net/rds/
F: Documentation/networking/rds.txt
-RDMAVT - RDMA verbs software
-M: Dennis Dalessandro <dennis.dalessandro@intel.com>
-L: linux-rdma@vger.kernel.org
-S: Supported
-F: drivers/infiniband/sw/rdmavt
-
RDT - RESOURCE ALLOCATION
M: Fenghua Yu <fenghua.yu@intel.com>
L: linux-kernel@vger.kernel.org
@@ -11131,11 +11153,6 @@
F: sound/soc/codecs/rt*
F: include/sound/rt*.h
-REISERFS FILE SYSTEM
-L: reiserfs-devel@vger.kernel.org
-S: Supported
-F: fs/reiserfs/
-
REGISTER MAP ABSTRACTION
M: Mark Brown <broonie@kernel.org>
L: linux-kernel@vger.kernel.org
@@ -11145,6 +11162,11 @@
F: drivers/base/regmap/
F: include/linux/regmap.h
+REISERFS FILE SYSTEM
+L: reiserfs-devel@vger.kernel.org
+S: Supported
+F: fs/reiserfs/
+
REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM
M: Ohad Ben-Cohen <ohad@wizery.com>
M: Bjorn Andersson <bjorn.andersson@linaro.org>
@@ -11220,17 +11242,17 @@
F: lib/rhashtable.c
F: include/linux/rhashtable.h
+RICOH R5C592 MEMORYSTICK DRIVER
+M: Maxim Levitsky <maximlevitsky@gmail.com>
+S: Maintained
+F: drivers/memstick/host/r592.*
+
RICOH SMARTMEDIA/XD DRIVER
M: Maxim Levitsky <maximlevitsky@gmail.com>
S: Maintained
F: drivers/mtd/nand/r852.c
F: drivers/mtd/nand/r852.h
-RICOH R5C592 MEMORYSTICK DRIVER
-M: Maxim Levitsky <maximlevitsky@gmail.com>
-S: Maintained
-F: drivers/memstick/host/r592.*
-
ROCCAT DRIVERS
M: Stefan Achatz <erazor_de@users.sourceforge.net>
W: http://sourceforge.net/projects/roccat/
@@ -11366,6 +11388,23 @@
F: drivers/s390/block/dasd*
F: block/partitions/ibm.c
+S390 IOMMU (PCI)
+M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: drivers/iommu/s390-iommu.c
+
+S390 IUCV NETWORK LAYER
+M: Julian Wiedmann <jwi@linux.vnet.ibm.com>
+M: Ursula Braun <ubraun@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: drivers/s390/net/*iucv*
+F: include/net/iucv/
+F: net/iucv/
+
S390 NETWORK DRIVERS
M: Julian Wiedmann <jwi@linux.vnet.ibm.com>
M: Ursula Braun <ubraun@linux.vnet.ibm.com>
@@ -11383,6 +11422,16 @@
F: arch/s390/pci/
F: drivers/pci/hotplug/s390_pci_hpc.c
+S390 VFIO-CCW DRIVER
+M: Cornelia Huck <cohuck@redhat.com>
+M: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+L: kvm@vger.kernel.org
+S: Supported
+F: drivers/s390/cio/vfio_ccw*
+F: Documentation/s390/vfio-ccw.txt
+F: include/uapi/linux/vfio_ccw.h
+
S390 ZCRYPT DRIVER
M: Harald Freudenberger <freude@de.ibm.com>
L: linux-s390@vger.kernel.org
@@ -11397,33 +11446,6 @@
S: Supported
F: drivers/s390/scsi/zfcp_*
-S390 IUCV NETWORK LAYER
-M: Julian Wiedmann <jwi@linux.vnet.ibm.com>
-M: Ursula Braun <ubraun@linux.vnet.ibm.com>
-L: linux-s390@vger.kernel.org
-W: http://www.ibm.com/developerworks/linux/linux390/
-S: Supported
-F: drivers/s390/net/*iucv*
-F: include/net/iucv/
-F: net/iucv/
-
-S390 IOMMU (PCI)
-M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
-L: linux-s390@vger.kernel.org
-W: http://www.ibm.com/developerworks/linux/linux390/
-S: Supported
-F: drivers/iommu/s390-iommu.c
-
-S390 VFIO-CCW DRIVER
-M: Cornelia Huck <cohuck@redhat.com>
-M: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
-L: linux-s390@vger.kernel.org
-L: kvm@vger.kernel.org
-S: Supported
-F: drivers/s390/cio/vfio_ccw*
-F: Documentation/s390/vfio-ccw.txt
-F: include/uapi/linux/vfio_ccw.h
-
S3C24XX SD/MMC Driver
M: Ben Dooks <ben-linux@fluff.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -11457,12 +11479,6 @@
F: drivers/media/pci/saa7146/
F: include/media/saa7146*
-SAMSUNG LAPTOP DRIVER
-M: Corentin Chary <corentin.chary@gmail.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: drivers/platform/x86/samsung-laptop.c
-
SAMSUNG AUDIO (ASoC) DRIVERS
M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sangbeom Kim <sbkim73@samsung.com>
@@ -11485,6 +11501,12 @@
S: Maintained
F: drivers/video/fbdev/s3c-fb.c
+SAMSUNG LAPTOP DRIVER
+M: Corentin Chary <corentin.chary@gmail.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/samsung-laptop.c
+
SAMSUNG MULTIFUNCTION PMIC DEVICE DRIVERS
M: Sangbeom Kim <sbkim73@samsung.com>
M: Krzysztof Kozlowski <krzk@kernel.org>
@@ -11503,22 +11525,6 @@
F: Documentation/devicetree/bindings/regulator/samsung,s5m*.txt
F: Documentation/devicetree/bindings/clock/samsung,s2mps11.txt
-SAMSUNG S5P Security SubSystem (SSS) DRIVER
-M: Krzysztof Kozlowski <krzk@kernel.org>
-M: Vladimir Zapolskiy <vz@mleia.com>
-L: linux-crypto@vger.kernel.org
-L: linux-samsung-soc@vger.kernel.org
-S: Maintained
-F: drivers/crypto/s5p-sss.c
-
-SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS
-M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Sylwester Nawrocki <s.nawrocki@samsung.com>
-L: linux-media@vger.kernel.org
-Q: https://patchwork.linuxtv.org/project/linux-media/list/
-S: Supported
-F: drivers/media/platform/exynos4-is/
-
SAMSUNG S3C24XX/S3C64XX SOC SERIES CAMIF DRIVER
M: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
L: linux-media@vger.kernel.org
@@ -11527,6 +11533,13 @@
F: drivers/media/platform/s3c-camif/
F: include/media/drv-intf/s3c_camif.h
+SAMSUNG S3FWRN5 NFC DRIVER
+M: Robert Baldyga <r.baldyga@samsung.com>
+M: Krzysztof Opasiak <k.opasiak@samsung.com>
+L: linux-nfc@lists.01.org (moderated for non-subscribers)
+S: Supported
+F: drivers/nfc/s3fwrn5
+
SAMSUNG S5C73M3 CAMERA DRIVER
M: Kyungmin Park <kyungmin.park@samsung.com>
M: Andrzej Hajda <a.hajda@samsung.com>
@@ -11541,12 +11554,21 @@
S: Supported
F: drivers/media/i2c/s5k5baf.c
-SAMSUNG S3FWRN5 NFC DRIVER
-M: Robert Baldyga <r.baldyga@samsung.com>
-M: Krzysztof Opasiak <k.opasiak@samsung.com>
-L: linux-nfc@lists.01.org (moderated for non-subscribers)
+SAMSUNG S5P Security SubSystem (SSS) DRIVER
+M: Krzysztof Kozlowski <krzk@kernel.org>
+M: Vladimir Zapolskiy <vz@mleia.com>
+L: linux-crypto@vger.kernel.org
+L: linux-samsung-soc@vger.kernel.org
+S: Maintained
+F: drivers/crypto/s5p-sss.c
+
+SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS
+M: Kyungmin Park <kyungmin.park@samsung.com>
+M: Sylwester Nawrocki <s.nawrocki@samsung.com>
+L: linux-media@vger.kernel.org
+Q: https://patchwork.linuxtv.org/project/linux-media/list/
S: Supported
-F: drivers/nfc/s3fwrn5
+F: drivers/media/platform/exynos4-is/
SAMSUNG SOC CLOCK DRIVERS
M: Sylwester Nawrocki <s.nawrocki@samsung.com>
@@ -11599,126 +11621,6 @@
F: drivers/phy/samsung/phy-samsung-usb2.c
F: drivers/phy/samsung/phy-samsung-usb2.h
-SERIAL DRIVERS
-M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-L: linux-serial@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/serial/
-F: drivers/tty/serial/
-
-SERIAL DEVICE BUS
-M: Rob Herring <robh@kernel.org>
-L: linux-serial@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/serial/slave-device.txt
-F: drivers/tty/serdev/
-F: include/linux/serdev.h
-
-SERIAL IR RECEIVER
-M: Sean Young <sean@mess.org>
-L: linux-media@vger.kernel.org
-S: Maintained
-F: drivers/media/rc/serial_ir.c
-
-STI CEC DRIVER
-M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
-S: Maintained
-F: drivers/staging/media/st-cec/
-F: Documentation/devicetree/bindings/media/stih-cec.txt
-
-SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
-M: Ursula Braun <ubraun@linux.vnet.ibm.com>
-L: linux-s390@vger.kernel.org
-W: http://www.ibm.com/developerworks/linux/linux390/
-S: Supported
-F: net/smc/
-
-SYNOPSYS DESIGNWARE DMAC DRIVER
-M: Viresh Kumar <vireshk@kernel.org>
-M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
-S: Maintained
-F: include/linux/dma/dw.h
-F: include/linux/platform_data/dma-dw.h
-F: drivers/dma/dw/
-
-SYNOPSYS DESIGNWARE ENTERPRISE ETHERNET DRIVER
-M: Jie Deng <jiedeng@synopsys.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/net/ethernet/synopsys/
-
-SYNOPSYS DESIGNWARE I2C DRIVER
-M: Jarkko Nikula <jarkko.nikula@linux.intel.com>
-R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
-R: Mika Westerberg <mika.westerberg@linux.intel.com>
-L: linux-i2c@vger.kernel.org
-S: Maintained
-F: drivers/i2c/busses/i2c-designware-*
-F: include/linux/platform_data/i2c-designware.h
-
-SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
-M: Jaehoon Chung <jh80.chung@samsung.com>
-L: linux-mmc@vger.kernel.org
-S: Maintained
-F: drivers/mmc/host/dw_mmc*
-
-SYSTEM TRACE MODULE CLASS
-M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
-S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git
-F: Documentation/trace/stm.txt
-F: drivers/hwtracing/stm/
-F: include/linux/stm.h
-F: include/uapi/linux/stm.h
-
-TEE SUBSYSTEM
-M: Jens Wiklander <jens.wiklander@linaro.org>
-S: Maintained
-F: include/linux/tee_drv.h
-F: include/uapi/linux/tee.h
-F: drivers/tee/
-F: Documentation/tee.txt
-
-THUNDERBOLT DRIVER
-M: Andreas Noever <andreas.noever@gmail.com>
-M: Michael Jamet <michael.jamet@intel.com>
-M: Mika Westerberg <mika.westerberg@linux.intel.com>
-M: Yehezkel Bernat <yehezkel.bernat@intel.com>
-S: Maintained
-F: drivers/thunderbolt/
-
-TI BQ27XXX POWER SUPPLY DRIVER
-R: Andrew F. Davis <afd@ti.com>
-F: include/linux/power/bq27xxx_battery.h
-F: drivers/power/supply/bq27xxx_battery.c
-F: drivers/power/supply/bq27xxx_battery_i2c.c
-
-TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
-M: John Stultz <john.stultz@linaro.org>
-M: Thomas Gleixner <tglx@linutronix.de>
-R: Stephen Boyd <sboyd@codeaurora.org>
-L: linux-kernel@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
-S: Supported
-F: include/linux/clocksource.h
-F: include/linux/time.h
-F: include/linux/timex.h
-F: include/uapi/linux/time.h
-F: include/uapi/linux/timex.h
-F: kernel/time/clocksource.c
-F: kernel/time/time*.c
-F: kernel/time/alarmtimer.c
-F: kernel/time/ntp.c
-F: tools/testing/selftests/timers/
-
-TI TRF7970A NFC DRIVER
-M: Mark Greer <mgreer@animalcreek.com>
-L: linux-wireless@vger.kernel.org
-L: linux-nfc@lists.01.org (moderated for non-subscribers)
-S: Supported
-F: drivers/nfc/trf7970a.c
-F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt
-
SC1200 WDT DRIVER
M: Zwane Mwaikambo <zwanem@gmail.com>
S: Maintained
@@ -11747,16 +11649,6 @@
S: Supported
F: drivers/char/pcmcia/scr24x_cs.c
-SYSTEM CONTROL & POWER INTERFACE (SCPI) Message Protocol drivers
-M: Sudeep Holla <sudeep.holla@arm.com>
-L: linux-arm-kernel@lists.infradead.org
-S: Maintained
-F: Documentation/devicetree/bindings/arm/arm,scpi.txt
-F: drivers/clk/clk-scpi.c
-F: drivers/cpufreq/scpi-cpufreq.c
-F: drivers/firmware/arm_scpi.c
-F: include/linux/scpi_protocol.h
-
SCSI CDROM DRIVER
M: Jens Axboe <axboe@kernel.dk>
L: linux-scsi@vger.kernel.org
@@ -11841,14 +11733,6 @@
S: Maintained
F: drivers/mmc/host/sdricoh_cs.c
-SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
-M: Adrian Hunter <adrian.hunter@intel.com>
-L: linux-mmc@vger.kernel.org
-T: git git://git.infradead.org/users/ahunter/linux-sdhci.git
-S: Maintained
-F: drivers/mmc/host/sdhci*
-F: include/linux/mmc/sdhci*
-
SECURE COMPUTING
M: Kees Cook <keescook@chromium.org>
R: Andy Lutomirski <luto@amacapital.net>
@@ -11871,6 +11755,14 @@
S: Maintained
F: drivers/mmc/host/sdhci-brcmstb*
+SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
+M: Adrian Hunter <adrian.hunter@intel.com>
+L: linux-mmc@vger.kernel.org
+T: git git://git.infradead.org/users/ahunter/linux-sdhci.git
+S: Maintained
+F: drivers/mmc/host/sdhci*
+F: include/linux/mmc/sdhci*
+
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
M: Ben Dooks <ben-linux@fluff.org>
M: Jaehoon Chung <jh80.chung@samsung.com>
@@ -11895,6 +11787,10 @@
F: include/linux/sed*
F: include/uapi/linux/sed*
+SECURITY CONTACT
+M: Security Officers <security@kernel.org>
+S: Supported
+
SECURITY SUBSYSTEM
M: James Morris <james.l.morris@oracle.com>
M: "Serge E. Hallyn" <serge@hallyn.com>
@@ -11904,10 +11800,6 @@
S: Supported
F: security/
-SECURITY CONTACT
-M: Security Officers <security@kernel.org>
-S: Supported
-
SELINUX SECURITY MODULE
M: Paul Moore <paul@paul-moore.com>
M: Stephen Smalley <sds@tycho.nsa.gov>
@@ -11921,62 +11813,32 @@
F: scripts/selinux/
F: Documentation/admin-guide/LSM/SELinux.rst
-APPARMOR SECURITY MODULE
-M: John Johansen <john.johansen@canonical.com>
-L: apparmor@lists.ubuntu.com (subscribers-only, general discussion)
-W: apparmor.wiki.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jj/apparmor-dev.git
-S: Supported
-F: security/apparmor/
-F: Documentation/admin-guide/LSM/apparmor.rst
-
-LOADPIN SECURITY MODULE
-M: Kees Cook <keescook@chromium.org>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git lsm/loadpin
-S: Supported
-F: security/loadpin/
-F: Documentation/admin-guide/LSM/LoadPin.rst
-
-YAMA SECURITY MODULE
-M: Kees Cook <keescook@chromium.org>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git yama/tip
-S: Supported
-F: security/yama/
-F: Documentation/admin-guide/LSM/Yama.rst
-
SENSABLE PHANTOM
M: Jiri Slaby <jirislaby@gmail.com>
S: Maintained
F: drivers/misc/phantom.c
F: include/uapi/linux/phantom.h
-Emulex 10Gbps iSCSI - OneConnect DRIVER
-M: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
-M: Ketan Mukadam <ketan.mukadam@broadcom.com>
-M: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
-L: linux-scsi@vger.kernel.org
-W: http://www.broadcom.com
-S: Supported
-F: drivers/scsi/be2iscsi/
+SERIAL DEVICE BUS
+M: Rob Herring <robh@kernel.org>
+L: linux-serial@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/serial/slave-device.txt
+F: drivers/tty/serdev/
+F: include/linux/serdev.h
-Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER (be2net)
-M: Sathya Perla <sathya.perla@broadcom.com>
-M: Ajit Khaparde <ajit.khaparde@broadcom.com>
-M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
-M: Somnath Kotur <somnath.kotur@broadcom.com>
-L: netdev@vger.kernel.org
-W: http://www.emulex.com
-S: Supported
-F: drivers/net/ethernet/emulex/benet/
+SERIAL DRIVERS
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+L: linux-serial@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/serial/
+F: drivers/tty/serial/
-EMULEX ONECONNECT ROCE DRIVER
-M: Selvin Xavier <selvin.xavier@broadcom.com>
-M: Devesh Sharma <devesh.sharma@broadcom.com>
-L: linux-rdma@vger.kernel.org
-W: http://www.broadcom.com
-S: Odd Fixes
-F: drivers/infiniband/hw/ocrdma/
-F: include/uapi/rdma/ocrdma-abi.h
+SERIAL IR RECEIVER
+M: Sean Young <sean@mess.org>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/rc/serial_ir.c
SFC NETWORK DRIVER
M: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
@@ -12005,6 +11867,24 @@
S: Maintained
F: drivers/misc/sgi-xp/
+SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
+M: Ursula Braun <ubraun@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: net/smc/
+
+SH_VEU V4L2 MEM2MEM DRIVER
+L: linux-media@vger.kernel.org
+S: Orphan
+F: drivers/media/platform/sh_veu.c
+
+SH_VOU V4L2 OUTPUT DRIVER
+L: linux-media@vger.kernel.org
+S: Orphan
+F: drivers/media/platform/sh_vou.c
+F: include/media/drv-intf/sh_vou.h
+
SI2157 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
@@ -12087,24 +11967,14 @@
F: drivers/input/touchscreen/silead.c
F: drivers/platform/x86/silead_dmi.c
-SIMPLEFB FB DRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+SILICON MOTION SM712 FRAME BUFFER DRIVER
+M: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
+M: Teddy Wang <teddy.wang@siliconmotion.com>
+M: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
L: linux-fbdev@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/display/simple-framebuffer.txt
-F: drivers/video/fbdev/simplefb.c
-F: include/linux/platform_data/simplefb.h
-
-SH_VEU V4L2 MEM2MEM DRIVER
-L: linux-media@vger.kernel.org
-S: Orphan
-F: drivers/media/platform/sh_veu.c
-
-SH_VOU V4L2 OUTPUT DRIVER
-L: linux-media@vger.kernel.org
-S: Orphan
-F: drivers/media/platform/sh_vou.c
-F: include/media/drv-intf/sh_vou.h
+F: drivers/video/fbdev/sm712*
+F: Documentation/fb/sm712fb.txt
SIMPLE FIRMWARE INTERFACE (SFI)
M: Len Brown <lenb@kernel.org>
@@ -12116,6 +11986,14 @@
F: drivers/sfi/
F: include/linux/sfi*.h
+SIMPLEFB FB DRIVER
+M: Hans de Goede <hdegoede@redhat.com>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/display/simple-framebuffer.txt
+F: drivers/video/fbdev/simplefb.c
+F: include/linux/platform_data/simplefb.h
+
SIMTEC EB110ATX (Chalice CATS)
P: Ben Dooks
P: Vincent Sanders <vince@simtec.co.uk>
@@ -12140,61 +12018,6 @@
F: lib/test_siphash.c
F: include/linux/siphash.h
-TI DAVINCI MACHINE SUPPORT
-M: Sekhar Nori <nsekhar@ti.com>
-M: Kevin Hilman <khilman@kernel.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git
-S: Supported
-F: arch/arm/mach-davinci/
-F: drivers/i2c/busses/i2c-davinci.c
-F: arch/arm/boot/dts/da850*
-
-TI DAVINCI SERIES MEDIA DRIVER
-M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
-S: Maintained
-F: drivers/media/platform/davinci/
-F: include/media/davinci/
-
-TI DAVINCI SERIES GPIO DRIVER
-M: Keerthy <j-keerthy@ti.com>
-L: linux-gpio@vger.kernel.org
-S: Maintained
-F: Documentation/devicetree/bindings/gpio/gpio-davinci.txt
-F: drivers/gpio/gpio-davinci.c
-
-TI AM437X VPFE DRIVER
-M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
-S: Maintained
-F: drivers/media/platform/am437x/
-
-OV2659 OMNIVISION SENSOR DRIVER
-M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
-S: Maintained
-F: drivers/media/i2c/ov2659.c
-F: include/media/i2c/ov2659.h
-
-SILICON MOTION SM712 FRAME BUFFER DRIVER
-M: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
-M: Teddy Wang <teddy.wang@siliconmotion.com>
-M: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/sm712*
-F: Documentation/fb/sm712fb.txt
-
SIS 190 ETHERNET DRIVER
M: Francois Romieu <romieu@fr.zoreil.com>
L: netdev@vger.kernel.org
@@ -12255,14 +12078,6 @@
F: Documentation/admin-guide/LSM/Smack.rst
F: security/smack/
-DRIVERS FOR ADAPTIVE VOLTAGE SCALING (AVS)
-M: Kevin Hilman <khilman@kernel.org>
-M: Nishanth Menon <nm@ti.com>
-S: Maintained
-F: drivers/power/avs/
-F: include/linux/power/smartreflex.h
-L: linux-pm@vger.kernel.org
-
SMC91x ETHERNET DRIVER
M: Nicolas Pitre <nico@fluxnic.net>
S: Odd Fixes
@@ -12300,6 +12115,12 @@
F: Documentation/hwmon/sch5627
F: drivers/hwmon/sch5627.c
+SMSC UFX6000 and UFX7000 USB to VGA DRIVER
+M: Steve Glendinning <steve.glendinning@shawell.net>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: drivers/video/fbdev/smscufx.c
+
SMSC47B397 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@suse.com>
L: linux-hwmon@vger.kernel.org
@@ -12320,12 +12141,6 @@
S: Maintained
F: drivers/net/ethernet/smsc/smsc9420.*
-SMSC UFX6000 and UFX7000 USB to VGA DRIVER
-M: Steve Glendinning <steve.glendinning@shawell.net>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/smscufx.c
-
SOC-CAMERA V4L2 SUBSYSTEM
M: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
L: linux-media@vger.kernel.org
@@ -12340,6 +12155,15 @@
S: Maintained
F: drivers/leds/leds-net48xx.c
+SOFT-ROCE DRIVER (rxe)
+M: Moni Shoua <monis@mellanox.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+F: drivers/infiniband/sw/rxe/
+F: include/uapi/rdma/rdma_user_rxe.h
+
SOFTLOGIC 6x10 MPEG CODEC
M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
M: Anton Sviridenko <anton@corp.bluecherry.net>
@@ -12372,16 +12196,6 @@
F: drivers/ssb/
F: include/linux/ssb/
-SONY VAIO CONTROL DEVICE DRIVER
-M: Mattia Dongili <malattia@linux.it>
-L: platform-driver-x86@vger.kernel.org
-W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
-S: Maintained
-F: Documentation/laptops/sony-laptop.txt
-F: drivers/char/sonypi.c
-F: drivers/platform/x86/sony-laptop.c
-F: include/linux/sony-laptop.h
-
SONY MEMORYSTICK CARD SUPPORT
M: Alex Dubov <oakad@yahoo.com>
W: http://tifmxx.berlios.de/
@@ -12393,6 +12207,16 @@
S: Maintained
F: drivers/memstick/core/ms_block.*
+SONY VAIO CONTROL DEVICE DRIVER
+M: Mattia Dongili <malattia@linux.it>
+L: platform-driver-x86@vger.kernel.org
+W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
+S: Maintained
+F: Documentation/laptops/sony-laptop.txt
+F: drivers/char/sonypi.c
+F: drivers/platform/x86/sony-laptop.c
+F: include/linux/sony-laptop.h
+
SOUND
M: Jaroslav Kysela <perex@perex.cz>
M: Takashi Iwai <tiwai@suse.com>
@@ -12418,6 +12242,13 @@
F: sound/core/compress_offload.c
F: sound/soc/soc-compress.c
+SOUND - DMAENGINE HELPERS
+M: Lars-Peter Clausen <lars@metafoo.de>
+S: Supported
+F: include/sound/dmaengine_pcm.h
+F: sound/core/pcm_dmaengine.c
+F: sound/soc/soc-generic-dmaengine-pcm.c
+
SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
M: Liam Girdwood <lgirdwood@gmail.com>
M: Mark Brown <broonie@kernel.org>
@@ -12430,13 +12261,6 @@
F: sound/soc/
F: include/sound/soc*
-SOUND - DMAENGINE HELPERS
-M: Lars-Peter Clausen <lars@metafoo.de>
-S: Supported
-F: include/sound/dmaengine_pcm.h
-F: sound/core/pcm_dmaengine.c
-F: sound/soc/soc-generic-dmaengine-pcm.c
-
SP2 MEDIA DRIVER
M: Olli Salonen <olli.salonen@iki.fi>
L: linux-media@vger.kernel.org
@@ -12479,6 +12303,13 @@
S: Maintained
F: include/linux/compiler.h
+SPEAR CLOCK FRAMEWORK SUPPORT
+M: Viresh Kumar <vireshk@kernel.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+W: http://www.st.com/spear
+S: Maintained
+F: drivers/clk/spear/
+
SPEAR PLATFORM SUPPORT
M: Viresh Kumar <vireshk@kernel.org>
M: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
@@ -12488,13 +12319,6 @@
F: arch/arm/boot/dts/spear*
F: arch/arm/mach-spear/
-SPEAR CLOCK FRAMEWORK SUPPORT
-M: Viresh Kumar <vireshk@kernel.org>
-L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-W: http://www.st.com/spear
-S: Maintained
-F: drivers/clk/spear/
-
SPI NOR SUBSYSTEM
M: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
M: Marek Vasut <marek.vasut@gmail.com>
@@ -12527,6 +12351,15 @@
F: Documentation/networking/spider_net.txt
F: drivers/net/ethernet/toshiba/spider_net*
+SPMI SUBSYSTEM
+R: Stephen Boyd <sboyd@codeaurora.org>
+L: linux-arm-msm@vger.kernel.org
+F: Documentation/devicetree/bindings/spmi/
+F: drivers/spmi/
+F: include/dt-bindings/spmi/spmi.h
+F: include/linux/spmi.h
+F: include/trace/events/spmi.h
+
SPU FILE SYSTEM
M: Jeremy Kerr <jk@ozlabs.org>
L: linuxppc-dev@lists.ozlabs.org
@@ -12555,13 +12388,6 @@
S: Supported
F: Documentation/process/stable-kernel-rules.rst
-STAGING SUBSYSTEM
-M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
-L: devel@driverdev.osuosl.org
-S: Supported
-F: drivers/staging/
-
STAGING - COMEDI
M: Ian Abbott <abbotti@mev.co.uk>
M: H Hartley Sweeten <hsweeten@visionengravers.com>
@@ -12651,11 +12477,39 @@
S: Odd Fixes
F: drivers/staging/xgifb/
+STAGING SUBSYSTEM
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
+L: devel@driverdev.osuosl.org
+S: Supported
+F: drivers/staging/
+
STARFIRE/DURALAN NETWORK DRIVER
M: Ion Badulescu <ionut@badula.org>
S: Odd Fixes
F: drivers/net/ethernet/adaptec/starfire*
+STI CEC DRIVER
+M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
+S: Maintained
+F: drivers/staging/media/st-cec/
+F: Documentation/devicetree/bindings/media/stih-cec.txt
+
+STK1160 USB VIDEO CAPTURE DRIVER
+M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/media/usb/stk1160/
+
+STMMAC ETHERNET DRIVER
+M: Giuseppe Cavallaro <peppe.cavallaro@st.com>
+M: Alexandre Torgue <alexandre.torgue@st.com>
+L: netdev@vger.kernel.org
+W: http://www.stlinux.com
+S: Supported
+F: drivers/net/ethernet/stmicro/stmmac/
+
SUN3/3X
M: Sam Creasey <sammy@sammy.net>
W: http://sammy.net/sun3/
@@ -12727,6 +12581,20 @@
F: net/switchdev/
F: include/net/switchdev.h
+SYNC FILE FRAMEWORK
+M: Sumit Semwal <sumit.semwal@linaro.org>
+R: Gustavo Padovan <gustavo@padovan.org>
+S: Maintained
+L: linux-media@vger.kernel.org
+L: dri-devel@lists.freedesktop.org
+F: drivers/dma-buf/sync_*
+F: drivers/dma-buf/dma-fence*
+F: drivers/dma-buf/sw_sync.c
+F: include/linux/sync_file.h
+F: include/uapi/linux/sync_file.h
+F: Documentation/sync_file.txt
+T: git git://anongit.freedesktop.org/drm/drm-misc
+
SYNOPSYS ARC ARCHITECTURE
M: Vineet Gupta <vgupta@synopsys.com>
L: linux-snps-arc@lists.infradead.org
@@ -12745,6 +12613,35 @@
F: arch/arc/boot/dts/ax*
F: Documentation/devicetree/bindings/arc/axs10*
+SYNOPSYS DESIGNWARE DMAC DRIVER
+M: Viresh Kumar <vireshk@kernel.org>
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+S: Maintained
+F: include/linux/dma/dw.h
+F: include/linux/platform_data/dma-dw.h
+F: drivers/dma/dw/
+
+SYNOPSYS DESIGNWARE ENTERPRISE ETHERNET DRIVER
+M: Jie Deng <jiedeng@synopsys.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/synopsys/
+
+SYNOPSYS DESIGNWARE I2C DRIVER
+M: Jarkko Nikula <jarkko.nikula@linux.intel.com>
+R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+R: Mika Westerberg <mika.westerberg@linux.intel.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: drivers/i2c/busses/i2c-designware-*
+F: include/linux/platform_data/i2c-designware.h
+
+SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
+M: Jaehoon Chung <jh80.chung@samsung.com>
+L: linux-mmc@vger.kernel.org
+S: Maintained
+F: drivers/mmc/host/dw_mmc*
+
SYSTEM CONFIGURATION (SYSCON)
M: Lee Jones <lee.jones@linaro.org>
M: Arnd Bergmann <arnd@arndb.de>
@@ -12752,6 +12649,16 @@
S: Supported
F: drivers/mfd/syscon.c
+SYSTEM CONTROL & POWER INTERFACE (SCPI) Message Protocol drivers
+M: Sudeep Holla <sudeep.holla@arm.com>
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: Documentation/devicetree/bindings/arm/arm,scpi.txt
+F: drivers/clk/clk-scpi.c
+F: drivers/cpufreq/scpi-cpufreq.c
+F: drivers/firmware/arm_scpi.c
+F: include/linux/scpi_protocol.h
+
SYSTEM RESET/SHUTDOWN DRIVERS
M: Sebastian Reichel <sre@kernel.org>
L: linux-pm@vger.kernel.org
@@ -12760,6 +12667,15 @@
F: Documentation/devicetree/bindings/power/reset/
F: drivers/power/reset/
+SYSTEM TRACE MODULE CLASS
+M: Alexander Shishkin <alexander.shishkin@linux.intel.com>
+S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/ash/stm.git
+F: Documentation/trace/stm.txt
+F: drivers/hwtracing/stm/
+F: include/linux/stm.h
+F: include/uapi/linux/stm.h
+
SYSV FILESYSTEM
M: Christoph Hellwig <hch@infradead.org>
S: Maintained
@@ -12929,6 +12845,14 @@
S: Maintained
F: drivers/media/rc/ttusbir.c
+TEE SUBSYSTEM
+M: Jens Wiklander <jens.wiklander@linaro.org>
+S: Maintained
+F: include/linux/tee_drv.h
+F: include/uapi/linux/tee.h
+F: drivers/tee/
+F: Documentation/tee.txt
+
TEGRA ARCHITECTURE SUPPORT
M: Thierry Reding <thierry.reding@gmail.com>
M: Jonathan Hunter <jonathanh@nvidia.com>
@@ -13060,6 +12984,23 @@
S: Maintained
F: drivers/platform/x86/thinkpad_acpi.c
+THUNDERBOLT DRIVER
+M: Andreas Noever <andreas.noever@gmail.com>
+M: Michael Jamet <michael.jamet@intel.com>
+M: Mika Westerberg <mika.westerberg@linux.intel.com>
+M: Yehezkel Bernat <yehezkel.bernat@intel.com>
+S: Maintained
+F: drivers/thunderbolt/
+
+TI AM437X VPFE DRIVER
+M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
+S: Maintained
+F: drivers/media/platform/am437x/
+
TI BANDGAP AND THERMAL DRIVER
M: Eduardo Valentin <edubezval@gmail.com>
M: Keerthy <j-keerthy@ti.com>
@@ -13068,13 +13009,11 @@
S: Maintained
F: drivers/thermal/ti-soc-thermal/
-TI VPE/CAL DRIVERS
-M: Benoit Parrot <bparrot@ti.com>
-L: linux-media@vger.kernel.org
-W: http://linuxtv.org/
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-S: Maintained
-F: drivers/media/platform/ti-vpe/
+TI BQ27XXX POWER SUPPLY DRIVER
+R: Andrew F. Davis <afd@ti.com>
+F: include/linux/power/bq27xxx_battery.h
+F: drivers/power/supply/bq27xxx_battery.c
+F: drivers/power/supply/bq27xxx_battery_i2c.c
TI CDCE706 CLOCK DRIVER
M: Max Filippov <jcmvbkbc@gmail.com>
@@ -13088,6 +13027,33 @@
F: drivers/clk/ti/
F: include/linux/clk/ti.h
+TI DAVINCI MACHINE SUPPORT
+M: Sekhar Nori <nsekhar@ti.com>
+M: Kevin Hilman <khilman@kernel.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git
+S: Supported
+F: arch/arm/mach-davinci/
+F: drivers/i2c/busses/i2c-davinci.c
+F: arch/arm/boot/dts/da850*
+
+TI DAVINCI SERIES GPIO DRIVER
+M: Keerthy <j-keerthy@ti.com>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+F: drivers/gpio/gpio-davinci.c
+
+TI DAVINCI SERIES MEDIA DRIVER
+M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/mhadli/v4l-dvb-davinci_devices.git
+S: Maintained
+F: drivers/media/platform/davinci/
+F: include/media/davinci/
+
TI ETHERNET SWITCH DRIVER (CPSW)
R: Grygorii Strashko <grygorii.strashko@ti.com>
L: linux-omap@vger.kernel.org
@@ -13111,7 +13077,6 @@
F: drivers/soc/ti/*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git
-
TI LM49xxx FAMILY ASoC CODEC DRIVERS
M: M R Swami Reddy <mr.swami.reddy@ti.com>
M: Vishwas A Deshpande <vishwas.a.deshpande@ti.com>
@@ -13156,12 +13121,28 @@
S: Odd Fixes
F: sound/soc/codecs/tas571x*
+TI TRF7970A NFC DRIVER
+M: Mark Greer <mgreer@animalcreek.com>
+L: linux-wireless@vger.kernel.org
+L: linux-nfc@lists.01.org (moderated for non-subscribers)
+S: Supported
+F: drivers/nfc/trf7970a.c
+F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt
+
TI TWL4030 SERIES SOC CODEC DRIVER
M: Peter Ujfalusi <peter.ujfalusi@ti.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: sound/soc/codecs/twl4030*
+TI VPE/CAL DRIVERS
+M: Benoit Parrot <bparrot@ti.com>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+S: Maintained
+F: drivers/media/platform/ti-vpe/
+
TI WILINK WIRELESS DRIVERS
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/wl12xx
@@ -13171,16 +13152,6 @@
F: drivers/net/wireless/ti/
F: include/linux/wl12xx.h
-TIPC NETWORK LAYER
-M: Jon Maloy <jon.maloy@ericsson.com>
-M: Ying Xue <ying.xue@windriver.com>
-L: netdev@vger.kernel.org (core kernel code)
-L: tipc-discussion@lists.sourceforge.net (user apps, general discussion)
-W: http://tipc.sourceforge.net/
-S: Maintained
-F: include/uapi/linux/tipc*.h
-F: net/tipc/
-
TILE ARCHITECTURE
M: Chris Metcalf <cmetcalf@mellanox.com>
W: http://www.mellanox.com/repository/solutions/tile-scm/
@@ -13196,6 +13167,34 @@
F: drivers/usb/host/*-tilegx.c
F: include/linux/usb/tilegx.h
+TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
+M: John Stultz <john.stultz@linaro.org>
+M: Thomas Gleixner <tglx@linutronix.de>
+R: Stephen Boyd <sboyd@codeaurora.org>
+L: linux-kernel@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
+S: Supported
+F: include/linux/clocksource.h
+F: include/linux/time.h
+F: include/linux/timex.h
+F: include/uapi/linux/time.h
+F: include/uapi/linux/timex.h
+F: kernel/time/clocksource.c
+F: kernel/time/time*.c
+F: kernel/time/alarmtimer.c
+F: kernel/time/ntp.c
+F: tools/testing/selftests/timers/
+
+TIPC NETWORK LAYER
+M: Jon Maloy <jon.maloy@ericsson.com>
+M: Ying Xue <ying.xue@windriver.com>
+L: netdev@vger.kernel.org (core kernel code)
+L: tipc-discussion@lists.sourceforge.net (user apps, general discussion)
+W: http://tipc.sourceforge.net/
+S: Maintained
+F: include/uapi/linux/tipc*.h
+F: net/tipc/
+
TLAN NETWORK DRIVER
M: Samuel Chessman <chessman@tux.org>
L: tlan-devel@lists.sourceforge.net (subscribers-only)
@@ -13204,6 +13203,38 @@
F: Documentation/networking/tlan.txt
F: drivers/net/ethernet/ti/tlan.*
+TM6000 VIDEO4LINUX DRIVER
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+T: git git://linuxtv.org/media_tree.git
+S: Odd fixes
+F: drivers/media/usb/tm6000/
+F: Documentation/media/v4l-drivers/tm6000*
+
+TMIO/SDHI MMC DRIVER
+M: Wolfram Sang <wsa+renesas@sang-engineering.com>
+L: linux-mmc@vger.kernel.org
+S: Supported
+F: drivers/mmc/host/tmio_mmc*
+F: drivers/mmc/host/renesas_sdhi*
+F: include/linux/mfd/tmio.h
+
+TMP401 HARDWARE MONITOR DRIVER
+M: Guenter Roeck <linux@roeck-us.net>
+L: linux-hwmon@vger.kernel.org
+S: Maintained
+F: Documentation/hwmon/tmp401
+F: drivers/hwmon/tmp401.c
+
+TMPFS (SHMEM FILESYSTEM)
+M: Hugh Dickins <hughd@google.com>
+L: linux-mm@kvack.org
+S: Maintained
+F: include/linux/shmem_fs.h
+F: mm/shmem.c
+
TOMOYO SECURITY MODULE
M: Kentaro Takeda <takedakn@nttdata.co.jp>
M: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
@@ -13240,12 +13271,6 @@
S: Maintained
F: drivers/platform/x86/toshiba_haps.c
-TOSHIBA WMI HOTKEYS DRIVER
-M: Azael Avalos <coproscefalo@gmail.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: drivers/platform/x86/toshiba-wmi.c
-
TOSHIBA SMM DRIVER
M: Jonathan Buzzard <jonathan@buzzard.org.uk>
W: http://www.buzzard.org.uk/toshiba/
@@ -13261,62 +13286,11 @@
F: drivers/media/i2c/tc358743*
F: include/media/i2c/tc358743.h
-TMIO/SDHI MMC DRIVER
-M: Wolfram Sang <wsa+renesas@sang-engineering.com>
-L: linux-mmc@vger.kernel.org
-S: Supported
-F: drivers/mmc/host/tmio_mmc*
-F: drivers/mmc/host/renesas_sdhi*
-F: include/linux/mfd/tmio.h
-
-TMP401 HARDWARE MONITOR DRIVER
-M: Guenter Roeck <linux@roeck-us.net>
-L: linux-hwmon@vger.kernel.org
+TOSHIBA WMI HOTKEYS DRIVER
+M: Azael Avalos <coproscefalo@gmail.com>
+L: platform-driver-x86@vger.kernel.org
S: Maintained
-F: Documentation/hwmon/tmp401
-F: drivers/hwmon/tmp401.c
-
-TMPFS (SHMEM FILESYSTEM)
-M: Hugh Dickins <hughd@google.com>
-L: linux-mm@kvack.org
-S: Maintained
-F: include/linux/shmem_fs.h
-F: mm/shmem.c
-
-TM6000 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-M: Mauro Carvalho Chehab <mchehab@kernel.org>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org
-T: git git://linuxtv.org/media_tree.git
-S: Odd fixes
-F: drivers/media/usb/tm6000/
-F: Documentation/media/v4l-drivers/tm6000*
-
-TW5864 VIDEO4LINUX DRIVER
-M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
-M: Anton Sviridenko <anton@corp.bluecherry.net>
-M: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
-M: Andrey Utkin <andrey_utkin@fastmail.com>
-L: linux-media@vger.kernel.org
-S: Supported
-F: drivers/media/pci/tw5864/
-
-TW68 VIDEO4LINUX DRIVER
-M: Hans Verkuil <hverkuil@xs4all.nl>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-W: https://linuxtv.org
-S: Odd Fixes
-F: drivers/media/pci/tw68/
-
-TW686X VIDEO4LINUX DRIVER
-M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-W: http://linuxtv.org
-S: Maintained
-F: drivers/media/pci/tw686x/
+F: drivers/platform/x86/toshiba-wmi.c
TPM DEVICE DRIVER
M: Peter Huewe <peterhuewe@gmx.de>
@@ -13418,6 +13392,31 @@
F: drivers/tc/
F: include/linux/tc.h
+TW5864 VIDEO4LINUX DRIVER
+M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
+M: Anton Sviridenko <anton@corp.bluecherry.net>
+M: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
+M: Andrey Utkin <andrey_utkin@fastmail.com>
+L: linux-media@vger.kernel.org
+S: Supported
+F: drivers/media/pci/tw5864/
+
+TW68 VIDEO4LINUX DRIVER
+M: Hans Verkuil <hverkuil@xs4all.nl>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
+S: Odd Fixes
+F: drivers/media/pci/tw68/
+
+TW686X VIDEO4LINUX DRIVER
+M: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Maintained
+F: drivers/media/pci/tw686x/
+
UBI FILE SYSTEM (UBIFS)
M: Richard Weinberger <richard@nod.at>
M: Artem Bityutskiy <dedekind1@gmail.com>
@@ -13467,6 +13466,13 @@
F: drivers/hid/uhid.c
F: include/uapi/linux/uhid.h
+ULPI BUS
+M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: drivers/usb/common/ulpi.c
+F: include/linux/ulpi/
+
ULTRA-WIDEBAND (UWB) SUBSYSTEM:
L: linux-usb@vger.kernel.org
S: Orphan
@@ -13527,6 +13533,14 @@
F: include/linux/mtd/ubi.h
F: include/uapi/mtd/ubi-user.h
+USB "USBNET" DRIVER FRAMEWORK
+M: Oliver Neukum <oneukum@suse.com>
+L: netdev@vger.kernel.org
+W: http://www.linux-usb.org/usbnet
+S: Maintained
+F: drivers/net/usb/usbnet.c
+F: include/linux/usb/usbnet.h
+
USB ACM DRIVER
M: Oliver Neukum <oneukum@suse.com>
L: linux-usb@vger.kernel.org
@@ -13750,14 +13764,6 @@
S: Maintained
F: drivers/usb/host/uhci*
-USB "USBNET" DRIVER FRAMEWORK
-M: Oliver Neukum <oneukum@suse.com>
-L: netdev@vger.kernel.org
-W: http://www.linux-usb.org/usbnet
-S: Maintained
-F: drivers/net/usb/usbnet.c
-F: include/linux/usb/usbnet.h
-
USB VIDEO CLASS
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-uvc-devel@lists.sourceforge.net (subscribers-only)
@@ -13812,13 +13818,6 @@
F: Documentation/media/v4l-drivers/zr364xx*
F: drivers/media/usb/zr364xx/
-ULPI BUS
-M: Heikki Krogerus <heikki.krogerus@linux.intel.com>
-L: linux-usb@vger.kernel.org
-S: Maintained
-F: drivers/usb/common/ulpi.c
-F: include/linux/ulpi/
-
USER-MODE LINUX (UML)
M: Jeff Dike <jdike@addtoit.com>
M: Richard Weinberger <richard@nod.at>
@@ -13912,6 +13911,37 @@
F: include/linux/vga_switcheroo.h
T: git git://anongit.freedesktop.org/drm/drm-misc
+VIA RHINE NETWORK DRIVER
+S: Orphan
+F: drivers/net/ethernet/via/via-rhine.c
+
+VIA SD/MMC CARD CONTROLLER DRIVER
+M: Bruce Chang <brucechang@via.com.tw>
+M: Harald Welte <HaraldWelte@viatech.com>
+S: Maintained
+F: drivers/mmc/host/via-sdmmc.c
+
+VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER
+M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
+L: linux-fbdev@vger.kernel.org
+S: Maintained
+F: include/linux/via-core.h
+F: include/linux/via-gpio.h
+F: include/linux/via_i2c.h
+F: drivers/video/fbdev/via/
+
+VIA VELOCITY NETWORK DRIVER
+M: Francois Romieu <romieu@fr.zoreil.com>
+L: netdev@vger.kernel.org
+S: Maintained
+F: drivers/net/ethernet/via/via-velocity.*
+
+VIDEO MULTIPLEXER DRIVER
+M: Philipp Zabel <p.zabel@pengutronix.de>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/platform/video-mux.c
+
VIDEOBUF2 FRAMEWORK
M: Pawel Osciak <pawel@osciak.com>
M: Marek Szyprowski <m.szyprowski@samsung.com>
@@ -13921,11 +13951,20 @@
F: drivers/media/v4l2-core/videobuf2-*
F: include/media/videobuf2-*
-VIDEO MULTIPLEXER DRIVER
-M: Philipp Zabel <p.zabel@pengutronix.de>
+VIMC VIRTUAL MEDIA CONTROLLER DRIVER
+M: Helen Koike <helen.koike@collabora.com>
L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: https://linuxtv.org
S: Maintained
-F: drivers/media/platform/video-mux.c
+F: drivers/media/platform/vimc/*
+
+VIRT LIB
+M: Alex Williamson <alex.williamson@redhat.com>
+M: Paolo Bonzini <pbonzini@redhat.com>
+L: kvm@vger.kernel.org
+S: Supported
+F: virt/lib/
VIRTIO AND VHOST VSOCK DRIVER
M: Stefan Hajnoczi <stefanha@redhat.com>
@@ -13943,12 +13982,6 @@
F: drivers/vhost/vsock.c
F: drivers/vhost/vsock.h
-VIRTUAL SERIO DEVICE DRIVER
-M: Stephen Chandler Paul <thatslyude@gmail.com>
-S: Maintained
-F: drivers/input/serio/userio.c
-F: include/uapi/linux/userio.h
-
VIRTIO CONSOLE DRIVER
M: Amit Shah <amit@kernel.org>
L: virtualization@lists.linux-foundation.org
@@ -13970,6 +14003,15 @@
F: include/linux/virtio*.h
F: include/uapi/linux/virtio_*.h
F: drivers/crypto/virtio/
+F: mm/balloon_compaction.c
+
+VIRTIO CRYPTO DRIVER
+M: Gonglei <arei.gonglei@huawei.com>
+L: virtualization@lists.linux-foundation.org
+L: linux-crypto@vger.kernel.org
+S: Maintained
+F: drivers/crypto/virtio/
+F: include/uapi/linux/virtio_crypto.h
VIRTIO DRIVERS FOR S390
M: Cornelia Huck <cohuck@redhat.com>
@@ -14007,45 +14049,11 @@
F: drivers/virtio/virtio_input.c
F: include/uapi/linux/virtio_input.h
-VIRTIO CRYPTO DRIVER
-M: Gonglei <arei.gonglei@huawei.com>
-L: virtualization@lists.linux-foundation.org
-L: linux-crypto@vger.kernel.org
-S: Maintained
-F: drivers/crypto/virtio/
-F: include/uapi/linux/virtio_crypto.h
-
-VIA RHINE NETWORK DRIVER
-S: Orphan
-F: drivers/net/ethernet/via/via-rhine.c
-
-VIA SD/MMC CARD CONTROLLER DRIVER
-M: Bruce Chang <brucechang@via.com.tw>
-M: Harald Welte <HaraldWelte@viatech.com>
+VIRTUAL SERIO DEVICE DRIVER
+M: Stephen Chandler Paul <thatslyude@gmail.com>
S: Maintained
-F: drivers/mmc/host/via-sdmmc.c
-
-VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER
-M: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: include/linux/via-core.h
-F: include/linux/via-gpio.h
-F: include/linux/via_i2c.h
-F: drivers/video/fbdev/via/
-
-VIA VELOCITY NETWORK DRIVER
-M: Francois Romieu <romieu@fr.zoreil.com>
-L: netdev@vger.kernel.org
-S: Maintained
-F: drivers/net/ethernet/via/via-velocity.*
-
-VIRT LIB
-M: Alex Williamson <alex.williamson@redhat.com>
-M: Paolo Bonzini <pbonzini@redhat.com>
-L: kvm@vger.kernel.org
-S: Supported
-F: virt/lib/
+F: drivers/input/serio/userio.c
+F: include/uapi/linux/userio.h
VIVID VIRTUAL VIDEO DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
@@ -14055,14 +14063,6 @@
S: Maintained
F: drivers/media/platform/vivid/*
-VIMC VIRTUAL MEDIA CONTROLLER DRIVER
-M: Helen Koike <helen.koike@collabora.com>
-L: linux-media@vger.kernel.org
-T: git git://linuxtv.org/media_tree.git
-W: https://linuxtv.org
-S: Maintained
-F: drivers/media/platform/vimc/*
-
VLYNQ BUS
M: Florian Fainelli <f.fainelli@gmail.com>
L: openwrt-devel@lists.openwrt.org (subscribers-only)
@@ -14082,12 +14082,6 @@
F: drivers/vme/
F: include/linux/vme*
-VMWARE HYPERVISOR INTERFACE
-M: Alok Kataria <akataria@vmware.com>
-L: virtualization@lists.linux-foundation.org
-S: Supported
-F: arch/x86/kernel/cpu/vmware.c
-
VMWARE BALLOON DRIVER
M: Xavier Deguillard <xdeguillard@vmware.com>
M: Philip Moltmann <moltmann@vmware.com>
@@ -14096,6 +14090,27 @@
S: Maintained
F: drivers/misc/vmw_balloon.c
+VMWARE HYPERVISOR INTERFACE
+M: Alok Kataria <akataria@vmware.com>
+L: virtualization@lists.linux-foundation.org
+S: Supported
+F: arch/x86/kernel/cpu/vmware.c
+
+VMWARE PVRDMA DRIVER
+M: Adit Ranadive <aditr@vmware.com>
+M: VMware PV-Drivers <pv-drivers@vmware.com>
+L: linux-rdma@vger.kernel.org
+S: Maintained
+F: drivers/infiniband/hw/vmw_pvrdma/
+
+VMware PVSCSI driver
+M: Jim Gill <jgill@vmware.com>
+M: VMware PV-Drivers <pv-drivers@vmware.com>
+L: linux-scsi@vger.kernel.org
+S: Maintained
+F: drivers/scsi/vmw_pvscsi.c
+F: drivers/scsi/vmw_pvscsi.h
+
VMWARE VMMOUSE SUBDRIVER
M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
@@ -14111,21 +14126,6 @@
S: Maintained
F: drivers/net/vmxnet3/
-VMware PVSCSI driver
-M: Jim Gill <jgill@vmware.com>
-M: VMware PV-Drivers <pv-drivers@vmware.com>
-L: linux-scsi@vger.kernel.org
-S: Maintained
-F: drivers/scsi/vmw_pvscsi.c
-F: drivers/scsi/vmw_pvscsi.h
-
-VMWARE PVRDMA DRIVER
-M: Adit Ranadive <aditr@vmware.com>
-M: VMware PV-Drivers <pv-drivers@vmware.com>
-L: linux-rdma@vger.kernel.org
-S: Maintained
-F: drivers/infiniband/hw/vmw_pvrdma/
-
VOLTAGE AND CURRENT REGULATOR FRAMEWORK
M: Liam Girdwood <lgirdwood@gmail.com>
M: Mark Brown <broonie@kernel.org>
@@ -14218,12 +14218,39 @@
F: include/linux/watchdog.h
F: include/uapi/linux/watchdog.h
+WHISKEYCOVE PMIC GPIO DRIVER
+M: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: drivers/gpio/gpio-wcove.c
+
WIIMOTE HID DRIVER
M: David Herrmann <dh.herrmann@googlemail.com>
L: linux-input@vger.kernel.org
S: Maintained
F: drivers/hid/hid-wiimote*
+WILOCITY WIL6210 WIRELESS DRIVER
+M: Maya Erez <qca_merez@qca.qualcomm.com>
+L: linux-wireless@vger.kernel.org
+L: wil6210@qca.qualcomm.com
+S: Supported
+W: http://wireless.kernel.org/en/users/Drivers/wil6210
+F: drivers/net/wireless/ath/wil6210/
+F: include/uapi/linux/wil6210_uapi.h
+
+WIMAX STACK
+M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+M: linux-wimax@intel.com
+L: wimax@linuxwimax.org (subscribers-only)
+S: Supported
+W: http://linuxwimax.org
+F: Documentation/wimax/README.wimax
+F: include/linux/wimax/debug.h
+F: include/net/wimax.h
+F: include/uapi/linux/wimax.h
+F: net/wimax/
+
WINBOND CIR DRIVER
M: David Härdeman <david@hardeman.nu>
S: Maintained
@@ -14241,18 +14268,6 @@
S: Maintained
F: drivers/gpio/gpio-ws16c48.c
-WIMAX STACK
-M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
-M: linux-wimax@intel.com
-L: wimax@linuxwimax.org (subscribers-only)
-S: Supported
-W: http://linuxwimax.org
-F: Documentation/wimax/README.wimax
-F: include/linux/wimax/debug.h
-F: include/net/wimax.h
-F: include/uapi/linux/wimax.h
-F: net/wimax/
-
WISTRON LAPTOP BUTTON DRIVER
M: Miloslav Trmac <mitr@volny.cz>
S: Maintained
@@ -14337,15 +14352,6 @@
F: Documentation/x86/
F: arch/x86/
-X86 PLATFORM DRIVERS
-M: Darren Hart <dvhart@infradead.org>
-M: Andy Shevchenko <andy@infradead.org>
-L: platform-driver-x86@vger.kernel.org
-T: git git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git
-S: Maintained
-F: drivers/platform/x86/
-F: drivers/platform/olpc/
-
X86 MCE INFRASTRUCTURE
M: Tony Luck <tony.luck@intel.com>
M: Borislav Petkov <bp@alien8.de>
@@ -14358,6 +14364,15 @@
S: Maintained
F: arch/x86/kernel/cpu/microcode/*
+X86 PLATFORM DRIVERS
+M: Darren Hart <dvhart@infradead.org>
+M: Andy Shevchenko <andy@infradead.org>
+L: platform-driver-x86@vger.kernel.org
+T: git git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git
+S: Maintained
+F: drivers/platform/x86/
+F: drivers/platform/olpc/
+
X86 VDSO
M: Andy Lutomirski <luto@amacapital.net>
L: linux-kernel@vger.kernel.org
@@ -14374,20 +14389,13 @@
S: Maintained
F: drivers/media/tuners/tuner-xc2028.*
-XEN HYPERVISOR INTERFACE
-M: Boris Ostrovsky <boris.ostrovsky@oracle.com>
-M: Juergen Gross <jgross@suse.com>
+XEN BLOCK SUBSYSTEM
+M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
+M: Roger Pau Monné <roger.pau@citrix.com>
L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
S: Supported
-F: arch/x86/xen/
-F: drivers/*/xen-*front.c
-F: drivers/xen/
-F: arch/x86/include/asm/xen/
-F: include/xen/
-F: include/uapi/xen/
-F: Documentation/ABI/stable/sysfs-hypervisor-xen
-F: Documentation/ABI/testing/sysfs-hypervisor-xen
+F: drivers/block/xen-blkback/*
+F: drivers/block/xen*
XEN HYPERVISOR ARM
M: Stefano Stabellini <sstabellini@kernel.org>
@@ -14403,6 +14411,21 @@
F: arch/arm64/xen/
F: arch/arm64/include/asm/xen/
+XEN HYPERVISOR INTERFACE
+M: Boris Ostrovsky <boris.ostrovsky@oracle.com>
+M: Juergen Gross <jgross@suse.com>
+L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
+S: Supported
+F: arch/x86/xen/
+F: drivers/*/xen-*front.c
+F: drivers/xen/
+F: arch/x86/include/asm/xen/
+F: include/xen/
+F: include/uapi/xen/
+F: Documentation/ABI/stable/sysfs-hypervisor-xen
+F: Documentation/ABI/testing/sysfs-hypervisor-xen
+
XEN NETWORK BACKEND DRIVER
M: Wei Liu <wei.liu2@citrix.com>
M: Paul Durrant <paul.durrant@citrix.com>
@@ -14418,14 +14441,6 @@
F: arch/x86/pci/*xen*
F: drivers/pci/*xen*
-XEN BLOCK SUBSYSTEM
-M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-M: Roger Pau Monné <roger.pau@citrix.com>
-L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
-S: Supported
-F: drivers/block/xen-blkback/*
-F: drivers/block/xen*
-
XEN PVSCSI DRIVERS
M: Juergen Gross <jgross@suse.com>
L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
@@ -14502,6 +14517,13 @@
F: drivers/net/hamradio/yam*
F: include/linux/yam.h
+YAMA SECURITY MODULE
+M: Kees Cook <keescook@chromium.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git yama/tip
+S: Supported
+F: security/yama/
+F: Documentation/admin-guide/LSM/Yama.rst
+
YEALINK PHONE DRIVER
M: Henk Vergonet <Henk.Vergonet@gmail.com>
L: usbb2k-api-dev@nongnu.org
@@ -14536,15 +14558,6 @@
S: Maintained
F: drivers/net/wireless/zydas/zd1211rw/
-ZD1301_DEMOD MEDIA DRIVER
-M: Antti Palosaari <crope@iki.fi>
-L: linux-media@vger.kernel.org
-W: https://linuxtv.org/
-W: http://palosaari.fi/linux/
-Q: https://patchwork.linuxtv.org/project/linux-media/list/
-S: Maintained
-F: drivers/media/dvb-frontends/zd1301_demod*
-
ZD1301 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
@@ -14554,6 +14567,15 @@
S: Maintained
F: drivers/media/usb/dvb-usb-v2/zd1301*
+ZD1301_DEMOD MEDIA DRIVER
+M: Antti Palosaari <crope@iki.fi>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org/
+W: http://palosaari.fi/linux/
+Q: https://patchwork.linuxtv.org/project/linux-media/list/
+S: Maintained
+F: drivers/media/dvb-frontends/zd1301_demod*
+
ZPOOL COMPRESSED PAGE STORAGE API
M: Dan Streetman <ddstreet@ieee.org>
L: linux-mm@kvack.org
diff --git a/Makefile b/Makefile
index b4fb9a1..ed65d72 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 13
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION =
NAME = Fearless Coyote
# *DOCUMENTATION*
@@ -396,7 +396,7 @@
KBUILD_CPPFLAGS := -D__KERNEL__
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
- -fno-strict-aliasing -fno-common \
+ -fno-strict-aliasing -fno-common -fshort-wchar \
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89 $(call cc-option,-fno-PIE)
@@ -442,7 +442,7 @@
# ===========================================================================
# Rules shared between *config targets and build targets
-# Basic helpers built in scripts/
+# Basic helpers built in scripts/basic/
PHONY += scripts_basic
scripts_basic:
$(Q)$(MAKE) $(build)=scripts/basic
@@ -505,7 +505,7 @@
endif
endif
endif
-# install and module_install need also be processed one by one
+# install and modules_install need also be processed one by one
ifneq ($(filter install,$(MAKECMDGOALS)),)
ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
mixed-targets := 1
@@ -964,7 +964,7 @@
export KBUILD_VMLINUX_LIBS := $(libs-y1)
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
export LDFLAGS_vmlinux
-# used by scripts/pacmage/Makefile
+# used by scripts/package/Makefile
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools)
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN) $(KBUILD_VMLINUX_LIBS)
@@ -992,8 +992,8 @@
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
# Final link of vmlinux with optional arch pass after final link
- cmd_link-vmlinux = \
- $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
+cmd_link-vmlinux = \
+ $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE
@@ -1184,6 +1184,7 @@
kselftest:
$(Q)$(MAKE) -C tools/testing/selftests run_tests
+PHONY += kselftest-clean
kselftest-clean:
$(Q)$(MAKE) -C tools/testing/selftests clean
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index ff40491..4d61d2a 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -299,6 +299,7 @@
return ioremap(offset, size);
}
+#define ioremap_wc ioremap_nocache
#define ioremap_uc ioremap_nocache
static inline void iounmap(volatile void __iomem *addr)
diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h
index 4cb4b6d..0bc66e1 100644
--- a/arch/alpha/include/asm/types.h
+++ b/arch/alpha/include/asm/types.h
@@ -1,6 +1,6 @@
#ifndef _ALPHA_TYPES_H
#define _ALPHA_TYPES_H
-#include <asm-generic/int-ll64.h>
+#include <uapi/asm/types.h>
#endif /* _ALPHA_TYPES_H */
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index b37153e..db7fc0f 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -3,7 +3,7 @@
#include <uapi/asm/unistd.h>
-#define NR_SYSCALLS 514
+#define NR_SYSCALLS 523
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_STAT64
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index ff67b837..1cd7dc7 100644
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -100,7 +100,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCSERCONFIG 0x5453
#define TIOCSERGWILD 0x5454
diff --git a/arch/alpha/include/uapi/asm/types.h b/arch/alpha/include/uapi/asm/types.h
index 9fd3cd4..8d1024d 100644
--- a/arch/alpha/include/uapi/asm/types.h
+++ b/arch/alpha/include/uapi/asm/types.h
@@ -9,8 +9,18 @@
* need to be careful to avoid a name clashes.
*/
-#ifndef __KERNEL__
+/*
+ * This is here because we used to use l64 for alpha
+ * and we don't want to impact user mode with our change to ll64
+ * in the kernel.
+ *
+ * However, some user programs are fine with this. They can
+ * flag __SANE_USERSPACE_TYPES__ to get int-ll64.h here.
+ */
+#if !defined(__SANE_USERSPACE_TYPES__) && !defined(__KERNEL__)
#include <asm-generic/int-l64.h>
+#else
+#include <asm-generic/int-ll64.h>
#endif
#endif /* _UAPI_ALPHA_TYPES_H */
diff --git a/arch/alpha/include/uapi/asm/unistd.h b/arch/alpha/include/uapi/asm/unistd.h
index aa33bf5..a2945fe 100644
--- a/arch/alpha/include/uapi/asm/unistd.h
+++ b/arch/alpha/include/uapi/asm/unistd.h
@@ -475,5 +475,19 @@
#define __NR_getrandom 511
#define __NR_memfd_create 512
#define __NR_execveat 513
+#define __NR_seccomp 514
+#define __NR_bpf 515
+#define __NR_userfaultfd 516
+#define __NR_membarrier 517
+#define __NR_mlock2 518
+#define __NR_copy_file_range 519
+#define __NR_preadv2 520
+#define __NR_pwritev2 521
+#define __NR_statx 522
+
+/* Alpha doesn't have protection keys. */
+#define __IGNORE_pkey_mprotect
+#define __IGNORE_pkey_alloc
+#define __IGNORE_pkey_free
#endif /* _UAPI_ALPHA_UNISTD_H */
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index d5f0580..03ff832 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -351,7 +351,7 @@
}
}
-void
+void __init
marvel_io7_present(gct6_node *node)
{
int pe;
@@ -369,6 +369,7 @@
static void __init
marvel_find_console_vga_hose(void)
{
+#ifdef CONFIG_VGA_HOSE
u64 *pu64 = (u64 *)((u64)hwrpb + hwrpb->ctbt_offset);
if (pu64[7] == 3) { /* TERM_TYPE == graphics */
@@ -402,9 +403,10 @@
pci_vga_hose = hose;
}
}
+#endif
}
-gct6_search_struct gct_wanted_node_list[] = {
+gct6_search_struct gct_wanted_node_list[] __initdata = {
{ GCT_TYPE_HOSE, GCT_SUBTYPE_IO_PORT_MODULE, marvel_io7_present },
{ 0, 0, NULL }
};
diff --git a/arch/alpha/kernel/core_titan.c b/arch/alpha/kernel/core_titan.c
index 219bf27..b532d92 100644
--- a/arch/alpha/kernel/core_titan.c
+++ b/arch/alpha/kernel/core_titan.c
@@ -461,6 +461,7 @@
unsigned long *ptes;
unsigned long pfn;
+#ifdef CONFIG_VGA_HOSE
/*
* Adjust the address and hose, if necessary.
*/
@@ -468,6 +469,7 @@
h = pci_vga_hose->index;
addr += pci_vga_hose->mem_space->start;
}
+#endif
/*
* Find the hose.
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index 936bc8f..47632fa 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -181,6 +181,9 @@
switch (r_type) {
case R_ALPHA_NONE:
break;
+ case R_ALPHA_REFLONG:
+ *(u32 *)location = value;
+ break;
case R_ALPHA_REFQUAD:
/* BUG() can produce misaligned relocations. */
((u32 *)location)[0] = value;
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 9fc5604..f6726a7 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -115,7 +115,7 @@
/*
* Where secondaries begin a life of C.
*/
-void
+void __init
smp_callin(void)
{
int cpuid = hard_smp_processor_id();
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 9b62e3f..5b4514a 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -532,6 +532,15 @@
.quad sys_getrandom
.quad sys_memfd_create
.quad sys_execveat
+ .quad sys_seccomp
+ .quad sys_bpf /* 515 */
+ .quad sys_userfaultfd
+ .quad sys_membarrier
+ .quad sys_mlock2
+ .quad sys_copy_file_range
+ .quad sys_preadv2 /* 520 */
+ .quad sys_pwritev2
+ .quad sys_statx
.size sys_call_table, . - sys_call_table
.type sys_call_table, @object
diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile
index 7083434..a808159 100644
--- a/arch/alpha/lib/Makefile
+++ b/arch/alpha/lib/Makefile
@@ -20,12 +20,8 @@
checksum.o \
csum_partial_copy.o \
$(ev67-y)strlen.o \
- $(ev67-y)strcat.o \
- strcpy.o \
- $(ev67-y)strncat.o \
- strncpy.o \
- $(ev6-y)stxcpy.o \
- $(ev6-y)stxncpy.o \
+ stycpy.o \
+ styncpy.o \
$(ev67-y)strchr.o \
$(ev67-y)strrchr.o \
$(ev6-y)memchr.o \
@@ -49,3 +45,17 @@
$(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \
$(src)/$(ev6-y)divide.S FORCE
$(call if_changed_rule,as_o_S)
+
+# There are direct branches between {str*cpy,str*cat} and stx*cpy.
+# Ensure the branches are within range by merging these objects.
+
+LDFLAGS_stycpy.o := -r
+LDFLAGS_styncpy.o := -r
+
+$(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \
+ $(obj)/$(ev6-y)stxcpy.o FORCE
+ $(call if_changed,ld)
+
+$(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \
+ $(obj)/$(ev6-y)stxncpy.o FORCE
+ $(call if_changed,ld)
diff --git a/arch/alpha/lib/copy_user.S b/arch/alpha/lib/copy_user.S
index 159f1b7..c277a1a 100644
--- a/arch/alpha/lib/copy_user.S
+++ b/arch/alpha/lib/copy_user.S
@@ -34,7 +34,7 @@
.ent __copy_user
__copy_user:
.prologue 0
- and $18,$18,$0
+ mov $18,$0
and $16,7,$3
beq $0,$35
beq $3,$36
diff --git a/arch/alpha/lib/ev6-copy_user.S b/arch/alpha/lib/ev6-copy_user.S
index 35e6710..954ca03 100644
--- a/arch/alpha/lib/ev6-copy_user.S
+++ b/arch/alpha/lib/ev6-copy_user.S
@@ -45,9 +45,10 @@
# Pipeline info: Slotting & Comments
__copy_user:
.prologue 0
- andq $18, $18, $0
- subq $18, 32, $1 # .. E .. .. : Is this going to be a small copy?
- beq $0, $zerolength # U .. .. .. : U L U L
+ mov $18, $0 # .. .. .. E
+ subq $18, 32, $1 # .. .. E. .. : Is this going to be a small copy?
+ nop # .. E .. ..
+ beq $18, $zerolength # U .. .. .. : U L U L
and $16,7,$3 # .. .. .. E : is leading dest misalignment
ble $1, $onebyteloop # .. .. U .. : 1st branch : small amount of data
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index a545969..7db85ab 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -96,7 +96,6 @@
menu "ARC Platform/SoC/Board"
-source "arch/arc/plat-sim/Kconfig"
source "arch/arc/plat-tb10x/Kconfig"
source "arch/arc/plat-axs10x/Kconfig"
#New platform adds here
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 44ef35d..3a61cfc 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -107,7 +107,7 @@
# w/o this dtb won't embed into kernel binary
core-y += arch/arc/boot/dts/
-core-$(CONFIG_ARC_PLAT_SIM) += arch/arc/plat-sim/
+core-y += arch/arc/plat-sim/
core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/
core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/plat-axs10x/
core-$(CONFIG_ARC_PLAT_EZNPS) += arch/arc/plat-eznps/
diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
index 53ce226..a380ffa 100644
--- a/arch/arc/boot/dts/axc001.dtsi
+++ b/arch/arc/boot/dts/axc001.dtsi
@@ -15,15 +15,15 @@
/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@@ -91,23 +91,21 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 7 >;
};
memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x20000000>;
device_type = "memory";
- reg = <0x80000000 0x1b000000>; /* (512 - 32) MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x1b000000>; /* (512 - 32) MiB */
};
reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* We just move frame buffer area to the very end of
@@ -118,7 +116,7 @@
*/
frame_buffer: frame_buffer@9e000000 {
compatible = "shared-dma-pool";
- reg = <0x9e000000 0x2000000>;
+ reg = <0x0 0x9e000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 14df46f..cc9239e 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -14,15 +14,15 @@
/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@@ -94,30 +94,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 24 >;
};
memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
- reg = <0x80000000 0x20000000>; /* 512MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
+ 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};
reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
- reg = <0xbe000000 0x2000000>;
+ reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 695f9fa..4ebb2170 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -14,15 +14,15 @@
/ {
compatible = "snps,arc";
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00000000 0xf0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@@ -100,30 +100,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
- reg = < 0xe0012000 0x200 >;
+ reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&idu_intc>;
interrupts = <0>;
};
memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
- reg = <0x80000000 0x20000000>; /* 512MiB */
+ /* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
+ 0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};
reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
- reg = <0xbe000000 0x2000000>;
+ reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};
diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index 41cfb29..0ff7e07 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -13,7 +13,7 @@
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0x00000000 0xe0000000 0x10000000>;
+ ranges = <0x00000000 0x0 0xe0000000 0x10000000>;
interrupt-parent = <&mb_intc>;
i2sclk: i2sclk@100a0 {
diff --git a/arch/arc/configs/haps_hs_defconfig b/arch/arc/configs/haps_hs_defconfig
index 57b3e59..db04ea4 100644
--- a/arch/arc/configs/haps_hs_defconfig
+++ b/arch/arc/configs/haps_hs_defconfig
@@ -21,7 +21,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="haps_hs"
CONFIG_PREEMPT=y
diff --git a/arch/arc/configs/haps_hs_smp_defconfig b/arch/arc/configs/haps_hs_smp_defconfig
index f85985ad..821a2e5 100644
--- a/arch/arc/configs/haps_hs_smp_defconfig
+++ b/arch/arc/configs/haps_hs_smp_defconfig
@@ -23,7 +23,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_BUILTIN_DTB_NAME="haps_hs_idu"
diff --git a/arch/arc/configs/nps_defconfig b/arch/arc/configs/nps_defconfig
index ede625c..7c9c706 100644
--- a/arch/arc/configs/nps_defconfig
+++ b/arch/arc/configs/nps_defconfig
@@ -39,7 +39,6 @@
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
index b0066a7..6dff83a 100644
--- a/arch/arc/configs/nsim_700_defconfig
+++ b/arch/arc/configs/nsim_700_defconfig
@@ -23,7 +23,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_700"
CONFIG_PREEMPT=y
# CONFIG_COMPACTION is not set
diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig
index ebe9ebb..31ee51b 100644
--- a/arch/arc/configs/nsim_hs_defconfig
+++ b/arch/arc/configs/nsim_hs_defconfig
@@ -26,7 +26,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs"
CONFIG_PREEMPT=y
diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig
index 4bde432..8d3b1f6 100644
--- a/arch/arc/configs/nsim_hs_smp_defconfig
+++ b/arch/arc/configs/nsim_hs_smp_defconfig
@@ -24,7 +24,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs_idu"
diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
index f6fb3d26..6168ce2 100644
--- a/arch/arc/configs/nsimosci_defconfig
+++ b/arch/arc/configs/nsimosci_defconfig
@@ -23,7 +23,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci"
# CONFIG_COMPACTION is not set
CONFIG_NET=y
diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
index b9f0fe0..a70bdeb 100644
--- a/arch/arc/configs/nsimosci_hs_defconfig
+++ b/arch/arc/configs/nsimosci_hs_defconfig
@@ -23,7 +23,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci_hs"
# CONFIG_COMPACTION is not set
diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
index 155add7..ef96406 100644
--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
+++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
@@ -18,7 +18,6 @@
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
# CONFIG_ARC_TIMERS_64BIT is not set
diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
index 4c51183..f301825 100644
--- a/arch/arc/configs/tb10x_defconfig
+++ b/arch/arc/configs/tb10x_defconfig
@@ -38,7 +38,6 @@
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index 19ebddf..02fd1ce 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -96,7 +96,9 @@
#define ARC_REG_SLC_FLUSH 0x904
#define ARC_REG_SLC_INVALIDATE 0x905
#define ARC_REG_SLC_RGN_START 0x914
+#define ARC_REG_SLC_RGN_START1 0x915
#define ARC_REG_SLC_RGN_END 0x916
+#define ARC_REG_SLC_RGN_END1 0x917
/* Bit val in SLC_CONTROL */
#define SLC_CTRL_DIS 0x001
diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h
index db7319e..efb79fa 100644
--- a/arch/arc/include/asm/mmu.h
+++ b/arch/arc/include/asm/mmu.h
@@ -94,6 +94,8 @@
return IS_ENABLED(CONFIG_ARC_HAS_PAE40);
}
+extern int pae40_exist_but_not_enab(void);
+
#endif /* !__ASSEMBLY__ */
#endif
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index f928795..067ea36 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -75,10 +75,20 @@
* Set a default priority for all available interrupts to prevent
* switching of register banks if Fast IRQ and multiple register banks
* are supported by CPU.
+ * Also disable private-per-core IRQ lines so faulty external HW won't
+ * trigger interrupt that kernel is not ready to handle.
*/
for (i = NR_EXCEPTIONS; i < irq_bcr.irqs + NR_EXCEPTIONS; i++) {
write_aux_reg(AUX_IRQ_SELECT, i);
write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO);
+
+ /*
+ * Only mask cpu private IRQs here.
+ * "common" interrupts are masked at IDU, otherwise it would
+ * need to be unmasked at each cpu, with IPIs
+ */
+ if (i < FIRST_EXT_IRQ)
+ write_aux_reg(AUX_IRQ_ENABLE, 0);
}
/* setup status32, don't enable intr yet as kernel doesn't want */
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index 7e608c6..47b421f 100644
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -27,7 +27,7 @@
*/
void arc_init_IRQ(void)
{
- int level_mask = 0;
+ unsigned int level_mask = 0, i;
/* Is timer high priority Interrupt (Level2 in ARCompact jargon) */
level_mask |= IS_ENABLED(CONFIG_ARC_COMPACT_IRQ_LEVELS) << TIMER0_IRQ;
@@ -40,6 +40,18 @@
if (level_mask)
pr_info("Level-2 interrupts bitset %x\n", level_mask);
+
+ /*
+ * Disable all IRQ lines so faulty external hardware won't
+ * trigger interrupt that kernel is not ready to handle.
+ */
+ for (i = TIMER0_IRQ; i < NR_CPU_IRQS; i++) {
+ unsigned int ienb;
+
+ ienb = read_aux_reg(AUX_IENABLE);
+ ienb &= ~(1 << i);
+ write_aux_reg(AUX_IENABLE, ienb);
+ }
}
/*
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index a867575..7db283b 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -665,6 +665,7 @@
static DEFINE_SPINLOCK(lock);
unsigned long flags;
unsigned int ctrl;
+ phys_addr_t end;
spin_lock_irqsave(&lock, flags);
@@ -694,8 +695,19 @@
* END needs to be setup before START (latter triggers the operation)
* END can't be same as START, so add (l2_line_sz - 1) to sz
*/
- write_aux_reg(ARC_REG_SLC_RGN_END, (paddr + sz + l2_line_sz - 1));
- write_aux_reg(ARC_REG_SLC_RGN_START, paddr);
+ end = paddr + sz + l2_line_sz - 1;
+ if (is_pae40_enabled())
+ write_aux_reg(ARC_REG_SLC_RGN_END1, upper_32_bits(end));
+
+ write_aux_reg(ARC_REG_SLC_RGN_END, lower_32_bits(end));
+
+ if (is_pae40_enabled())
+ write_aux_reg(ARC_REG_SLC_RGN_START1, upper_32_bits(paddr));
+
+ write_aux_reg(ARC_REG_SLC_RGN_START, lower_32_bits(paddr));
+
+ /* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
+ read_aux_reg(ARC_REG_SLC_CTRL);
while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY);
@@ -1111,6 +1123,13 @@
__dc_enable();
}
+/*
+ * Cache related boot time checks/setups only needed on master CPU:
+ * - Geometry checks (kernel build and hardware agree: e.g. L1_CACHE_BYTES)
+ * Assume SMP only, so all cores will have same cache config. A check on
+ * one core suffices for all
+ * - IOC setup / dma callbacks only need to be done once
+ */
void __init arc_cache_init_master(void)
{
unsigned int __maybe_unused cpu = smp_processor_id();
@@ -1190,12 +1209,27 @@
printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
- /*
- * Only master CPU needs to execute rest of function:
- * - Assume SMP so all cores will have same cache config so
- * any geomtry checks will be same for all
- * - IOC setup / dma callbacks only need to be setup once
- */
if (!cpu)
arc_cache_init_master();
+
+ /*
+ * In PAE regime, TLB and cache maintenance ops take wider addresses
+ * And even if PAE is not enabled in kernel, the upper 32-bits still need
+ * to be zeroed to keep the ops sane.
+ * As an optimization for more common !PAE enabled case, zero them out
+ * once at init, rather than checking/setting to 0 for every runtime op
+ */
+ if (is_isa_arcv2() && pae40_exist_but_not_enab()) {
+
+ if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE))
+ write_aux_reg(ARC_REG_IC_PTAG_HI, 0);
+
+ if (IS_ENABLED(CONFIG_ARC_HAS_DCACHE))
+ write_aux_reg(ARC_REG_DC_PTAG_HI, 0);
+
+ if (l2_line_sz) {
+ write_aux_reg(ARC_REG_SLC_RGN_END1, 0);
+ write_aux_reg(ARC_REG_SLC_RGN_START1, 0);
+ }
+ }
}
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index 2a07e6e..e9d9360 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -117,7 +117,7 @@
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (off < count && user_count <= (count - off)) {
@@ -153,6 +153,19 @@
}
}
+/*
+ * arc_dma_map_page - map a portion of a page for streaming DMA
+ *
+ * Ensure that any data held in the cache is appropriately discarded
+ * or written back.
+ *
+ * The device owns this memory once this call has completed. The CPU
+ * can regain ownership by calling dma_unmap_page().
+ *
+ * Note: while it takes struct page as arg, caller can "abuse" it to pass
+ * a region larger than PAGE_SIZE, provided it is physically contiguous
+ * and this still works correctly
+ */
static dma_addr_t arc_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir,
unsigned long attrs)
@@ -165,6 +178,24 @@
return plat_phys_to_dma(dev, paddr);
}
+/*
+ * arc_dma_unmap_page - unmap a buffer previously mapped through dma_map_page()
+ *
+ * After this call, reads by the CPU to the buffer are guaranteed to see
+ * whatever the device wrote there.
+ *
+ * Note: historically this routine was not implemented for ARC
+ */
+static void arc_dma_unmap_page(struct device *dev, dma_addr_t handle,
+ size_t size, enum dma_data_direction dir,
+ unsigned long attrs)
+{
+ phys_addr_t paddr = plat_dma_to_phys(dev, handle);
+
+ if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
+ _dma_cache_sync(paddr, size, dir);
+}
+
static int arc_dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir, unsigned long attrs)
{
@@ -178,6 +209,18 @@
return nents;
}
+static void arc_dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir,
+ unsigned long attrs)
+{
+ struct scatterlist *s;
+ int i;
+
+ for_each_sg(sg, s, nents, i)
+ arc_dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir,
+ attrs);
+}
+
static void arc_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
@@ -223,7 +266,9 @@
.free = arc_dma_free,
.mmap = arc_dma_mmap,
.map_page = arc_dma_map_page,
+ .unmap_page = arc_dma_unmap_page,
.map_sg = arc_dma_map_sg,
+ .unmap_sg = arc_dma_unmap_sg,
.sync_single_for_device = arc_dma_sync_single_for_device,
.sync_single_for_cpu = arc_dma_sync_single_for_cpu,
.sync_sg_for_cpu = arc_dma_sync_sg_for_cpu,
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index d0126fd..b181f3e 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -104,6 +104,8 @@
/* A copy of the ASID from the PID reg is kept in asid_cache */
DEFINE_PER_CPU(unsigned int, asid_cache) = MM_CTXT_FIRST_CYCLE;
+static int __read_mostly pae_exists;
+
/*
* Utility Routine to erase a J-TLB entry
* Caller needs to setup Index Reg (manually or via getIndex)
@@ -784,7 +786,7 @@
mmu->u_dtlb = mmu4->u_dtlb * 4;
mmu->u_itlb = mmu4->u_itlb * 4;
mmu->sasid = mmu4->sasid;
- mmu->pae = mmu4->pae;
+ pae_exists = mmu->pae = mmu4->pae;
}
}
@@ -809,6 +811,11 @@
return buf;
}
+int pae40_exist_but_not_enab(void)
+{
+ return pae_exists && !is_pae40_enabled();
+}
+
void arc_mmu_init(void)
{
char str[256];
@@ -859,6 +866,9 @@
/* swapper_pg_dir is the pgd for the kernel, used by vmalloc */
write_aux_reg(ARC_REG_SCRATCH_DATA0, swapper_pg_dir);
#endif
+
+ if (pae40_exist_but_not_enab())
+ write_aux_reg(ARC_REG_TLBPD1HI, 0);
}
/*
diff --git a/arch/arc/plat-sim/Kconfig b/arch/arc/plat-sim/Kconfig
deleted file mode 100644
index ac6af96..0000000
--- a/arch/arc/plat-sim/Kconfig
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-
-menuconfig ARC_PLAT_SIM
- bool "ARC nSIM based simulation virtual platforms"
- help
- Support for nSIM based ARC simulation platforms
- This includes the standalone nSIM (uart only) vs. System C OSCI VP
diff --git a/arch/arc/plat-sim/platform.c b/arch/arc/plat-sim/platform.c
index aea8738..5cda56b 100644
--- a/arch/arc/plat-sim/platform.c
+++ b/arch/arc/plat-sim/platform.c
@@ -20,11 +20,14 @@
*/
static const char *simulation_compat[] __initconst = {
+#ifdef CONFIG_ISA_ARCOMPACT
"snps,nsim",
- "snps,nsim_hs",
"snps,nsimosci",
+#else
+ "snps,nsim_hs",
"snps,nsimosci_hs",
"snps,zebu_hs",
+#endif
NULL,
};
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a208bfe..61a0cb1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -380,7 +380,7 @@
bool "EP93xx-based"
select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_AMBA
- select ARM_PATCH_PHYS_VIRT
+ imply ARM_PATCH_PHYS_VIRT
select ARM_VIC
select AUTO_ZRELADDR
select CLKDEV_LOOKUP
diff --git a/arch/arm/boot/dts/armada-388-gp.dts b/arch/arm/boot/dts/armada-388-gp.dts
index 895fa6c..563901e 100644
--- a/arch/arm/boot/dts/armada-388-gp.dts
+++ b/arch/arm/boot/dts/armada-388-gp.dts
@@ -75,7 +75,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pca0_pins>;
interrupt-parent = <&gpio0>;
- interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@@ -87,7 +87,7 @@
compatible = "nxp,pca9555";
pinctrl-names = "default";
interrupt-parent = <&gpio0>;
- interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+ interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index a423e8e..67e72bc 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -301,25 +301,4 @@
pinctrl-names = "default";
pinctrl-0 = <&vpif_capture_pins>, <&vpif_display_pins>;
status = "okay";
-
- /* VPIF capture port */
- port@0 {
- vpif_input_ch0: endpoint@0 {
- reg = <0>;
- bus-width = <8>;
- };
-
- vpif_input_ch1: endpoint@1 {
- reg = <1>;
- bus-width = <8>;
- data-shift = <8>;
- };
- };
-
- /* VPIF display port */
- port@1 {
- vpif_output_ch0: endpoint {
- bus-width = <8>;
- };
- };
};
diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index b837fec..a0f0916 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -318,11 +318,4 @@
pinctrl-names = "default";
pinctrl-0 = <&vpif_capture_pins>;
status = "okay";
-
- /* VPIF capture port */
- port {
- vpif_ch0: endpoint {
- bus-width = <8>;
- };
- };
};
diff --git a/arch/arm/boot/dts/dm8168-evm.dts b/arch/arm/boot/dts/dm8168-evm.dts
index 1865976..c72a213 100644
--- a/arch/arm/boot/dts/dm8168-evm.dts
+++ b/arch/arm/boot/dts/dm8168-evm.dts
@@ -68,6 +68,34 @@
DM816X_IOPAD(0x0d08, MUX_MODE0) /* USB1_DRVVBUS */
>;
};
+
+ nandflash_pins: nandflash_pins {
+ pinctrl-single,pins = <
+ DM816X_IOPAD(0x0b38, PULL_UP | MUX_MODE0) /* PINCTRL207 GPMC_CS0*/
+ DM816X_IOPAD(0x0b60, PULL_ENA | MUX_MODE0) /* PINCTRL217 GPMC_ADV_ALE */
+ DM816X_IOPAD(0x0b54, PULL_UP | PULL_ENA | MUX_MODE0) /* PINCTRL214 GPMC_OE_RE */
+ DM816X_IOPAD(0x0b58, PULL_ENA | MUX_MODE0) /* PINCTRL215 GPMC_BE0_CLE */
+ DM816X_IOPAD(0x0b50, PULL_UP | MUX_MODE0) /* PINCTRL213 GPMC_WE */
+ DM816X_IOPAD(0x0b6c, MUX_MODE0) /* PINCTRL220 GPMC_WAIT */
+ DM816X_IOPAD(0x0be4, PULL_ENA | MUX_MODE0) /* PINCTRL250 GPMC_CLK */
+ DM816X_IOPAD(0x0ba4, MUX_MODE0) /* PINCTRL234 GPMC_D0 */
+ DM816X_IOPAD(0x0ba8, MUX_MODE0) /* PINCTRL234 GPMC_D1 */
+ DM816X_IOPAD(0x0bac, MUX_MODE0) /* PINCTRL234 GPMC_D2 */
+ DM816X_IOPAD(0x0bb0, MUX_MODE0) /* PINCTRL234 GPMC_D3 */
+ DM816X_IOPAD(0x0bb4, MUX_MODE0) /* PINCTRL234 GPMC_D4 */
+ DM816X_IOPAD(0x0bb8, MUX_MODE0) /* PINCTRL234 GPMC_D5 */
+ DM816X_IOPAD(0x0bbc, MUX_MODE0) /* PINCTRL234 GPMC_D6 */
+ DM816X_IOPAD(0x0bc0, MUX_MODE0) /* PINCTRL234 GPMC_D7 */
+ DM816X_IOPAD(0x0bc4, MUX_MODE0) /* PINCTRL234 GPMC_D8 */
+ DM816X_IOPAD(0x0bc8, MUX_MODE0) /* PINCTRL234 GPMC_D9 */
+ DM816X_IOPAD(0x0bcc, MUX_MODE0) /* PINCTRL234 GPMC_D10 */
+ DM816X_IOPAD(0x0bd0, MUX_MODE0) /* PINCTRL234 GPMC_D11 */
+ DM816X_IOPAD(0x0bd4, MUX_MODE0) /* PINCTRL234 GPMC_D12 */
+ DM816X_IOPAD(0x0bd8, MUX_MODE0) /* PINCTRL234 GPMC_D13 */
+ DM816X_IOPAD(0x0bdc, MUX_MODE0) /* PINCTRL234 GPMC_D14 */
+ DM816X_IOPAD(0x0be0, MUX_MODE0) /* PINCTRL234 GPMC_D15 */
+ >;
+ };
};
&i2c1 {
@@ -90,6 +118,8 @@
&gpmc {
ranges = <0 0 0x04000000 0x01000000>; /* CS0: 16MB for NAND */
+ pinctrl-names = "default";
+ pinctrl-0 = <&nandflash_pins>;
nand@0,0 {
compatible = "ti,omap2-nand";
@@ -98,9 +128,11 @@
interrupt-parent = <&gpmc>;
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
+ rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
#address-cells = <1>;
#size-cells = <1>;
ti,nand-ecc-opt = "bch8";
+ ti,elm-id = <&elm>;
nand-bus-width = <16>;
gpmc,device-width = <2>;
gpmc,sync-clk-ps = <0>;
@@ -164,7 +196,7 @@
vmmc-supply = <&vmmcsd_fixed>;
bus-width = <4>;
cd-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
- wp-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
};
/* At least dm8168-evm rev c won't support multipoint, later may */
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 59cbf95..566b2a8 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -145,7 +145,7 @@
};
elm: elm@48080000 {
- compatible = "ti,816-elm";
+ compatible = "ti,am3352-elm";
ti,hwmods = "elm";
reg = <0x48080000 0x2000>;
interrupts = <4>;
diff --git a/arch/arm/boot/dts/dra71-evm.dts b/arch/arm/boot/dts/dra71-evm.dts
index 4d57a55..a6298eb 100644
--- a/arch/arm/boot/dts/dra71-evm.dts
+++ b/arch/arm/boot/dts/dra71-evm.dts
@@ -190,7 +190,7 @@
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_250_PS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
- ti,impedance-control = <0x1f>;
+ ti,min-output-impedance;
};
dp83867_1: ethernet-phy@3 {
@@ -198,7 +198,7 @@
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_250_PS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
- ti,impedance-control = <0x1f>;
+ ti,min-output-impedance;
};
};
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index 497a947..5739389 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -59,6 +59,9 @@
compatible = "samsung,exynos4210-audss-clock";
reg = <0x03810000 0x0C>;
#clock-cells = <1>;
+ clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>,
+ <&clock CLK_SCLK_AUDIO0>, <&clock CLK_SCLK_AUDIO0>;
+ clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in";
};
i2s0: i2s@03830000 {
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index f92f957..a183b56 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -266,6 +266,7 @@
&hdmicec {
status = "okay";
+ needs-hpd;
};
&hsi2c_4 {
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index dfcc8e0..0ade361 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -297,6 +297,7 @@
#address-cells = <1>;
#size-cells = <1>;
status = "disabled";
+ ranges;
adc: adc@50030800 {
compatible = "fsl,imx25-gcq";
diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi
index aeaa5a6..a24e4f1 100644
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi
@@ -507,7 +507,7 @@
pinctrl_pcie: pciegrp {
fsl,pins = <
/* PCIe reset */
- MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0x030b0
+ MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x030b0
MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x030b0
>;
};
@@ -668,7 +668,7 @@
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
- reset-gpio = <&gpio6 31 GPIO_ACTIVE_LOW>;
+ reset-gpio = <&gpio3 0 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 54c4540..0a24d1b 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -557,6 +557,14 @@
>;
};
+ pinctrl_spi4: spi4grp {
+ fsl,pins = <
+ MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
+ MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
+ MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
+ >;
+ };
+
pinctrl_tsc2046_pendown: tsc2046_pendown {
fsl,pins = <
MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x59
@@ -697,13 +705,5 @@
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO01__PWM1_OUT 0x110b0
>;
-
- pinctrl_spi4: spi4grp {
- fsl,pins = <
- MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
- MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
- MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
- >;
- };
};
};
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 2484f11..858e1fed 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -1126,8 +1126,8 @@
};
};
- gpu: mali@ffa30000 {
- compatible = "rockchip,rk3288-mali", "arm,mali-t760", "arm,mali-midgard";
+ gpu: gpu@ffa30000 {
+ compatible = "rockchip,rk3288-mali", "arm,mali-t760";
reg = <0xffa30000 0x10000>;
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index cc06da3..60e69ae 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -303,7 +303,7 @@
#size-cells = <1>;
atmel,smc = <&hsmc>;
reg = <0x10000000 0x10000000
- 0x40000000 0x30000000>;
+ 0x60000000 0x30000000>;
ranges = <0x0 0x0 0x10000000 0x10000000
0x1 0x0 0x60000000 0x10000000
0x2 0x0 0x70000000 0x10000000
@@ -1048,18 +1048,18 @@
};
hsmc: hsmc@f8014000 {
- compatible = "atmel,sama5d3-smc", "syscon", "simple-mfd";
+ compatible = "atmel,sama5d2-smc", "syscon", "simple-mfd";
reg = <0xf8014000 0x1000>;
- interrupts = <5 IRQ_TYPE_LEVEL_HIGH 6>;
+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH 6>;
clocks = <&hsmc_clk>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
- pmecc: ecc-engine@ffffc070 {
+ pmecc: ecc-engine@f8014070 {
compatible = "atmel,sama5d2-pmecc";
- reg = <0xffffc070 0x490>,
- <0xffffc500 0x100>;
+ reg = <0xf8014070 0x490>,
+ <0xf8014500 0x100>;
};
};
diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 8923ba6..19a8f4f 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -44,7 +44,9 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/sun8i-a83t-ccu.h>
#include <dt-bindings/clock/sun8i-r-ccu.h>
+#include <dt-bindings/reset/sun8i-a83t-ccu.h>
/ {
interrupt-parent = <&gic>;
@@ -175,8 +177,8 @@
compatible = "allwinner,sun8i-a83t-dma";
reg = <0x01c02000 0x1000>;
interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ccu 21>;
- resets = <&ccu 7>;
+ clocks = <&ccu CLK_BUS_DMA>;
+ resets = <&ccu RST_BUS_DMA>;
#dma-cells = <1>;
};
@@ -195,7 +197,7 @@
<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x01c20800 0x400>;
- clocks = <&ccu 45>, <&osc24M>, <&osc16Md512>;
+ clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc16Md512>;
clock-names = "apb", "hosc", "losc";
gpio-controller;
interrupt-controller;
@@ -247,8 +249,8 @@
"allwinner,sun8i-h3-spdif";
reg = <0x01c21000 0x400>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ccu 44>, <&ccu 76>;
- resets = <&ccu 32>;
+ clocks = <&ccu CLK_BUS_SPDIF>, <&ccu CLK_SPDIF>;
+ resets = <&ccu RST_BUS_SPDIF>;
clock-names = "apb", "spdif";
dmas = <&dma 2>;
dma-names = "tx";
@@ -263,8 +265,8 @@
interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&ccu 53>;
- resets = <&ccu 40>;
+ clocks = <&ccu CLK_BUS_UART0>;
+ resets = <&ccu RST_BUS_UART0>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
index 6713d0f..b1502df 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
@@ -56,8 +56,6 @@
aliases {
serial0 = &uart0;
- /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
- ethernet0 = &emac;
ethernet1 = &xr819;
};
@@ -104,13 +102,6 @@
status = "okay";
};
-&emac {
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- status = "okay";
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>;
diff --git a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
index d756ff8..a337af1 100644
--- a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
@@ -52,7 +52,6 @@
compatible = "sinovoip,bpi-m2-plus", "allwinner,sun8i-h3";
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
serial1 = &uart1;
};
@@ -115,30 +114,12 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
-
- allwinner,leds-active-low;
- status = "okay";
-};
-
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
status = "okay";
};
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <0>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
index 78f6c24..8d2cc6e 100644
--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
+++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts
@@ -46,10 +46,3 @@
model = "FriendlyARM NanoPi NEO";
compatible = "friendlyarm,nanopi-neo", "allwinner,sun8i-h3";
};
-
-&emac {
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- status = "okay";
-};
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
index 17cdeae..8ff71b1 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
@@ -54,7 +54,6 @@
aliases {
serial0 = &uart0;
/* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
- ethernet0 = &emac;
ethernet1 = &rtl8189;
};
@@ -118,13 +117,6 @@
status = "okay";
};
-&emac {
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- status = "okay";
-};
-
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
index 6880268..5fea430 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
@@ -52,7 +52,6 @@
compatible = "xunlong,orangepi-one", "allwinner,sun8i-h3";
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
};
@@ -98,13 +97,6 @@
status = "okay";
};
-&emac {
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- status = "okay";
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts
index a10281b..8b93f5c 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-pc-plus.dts
@@ -53,11 +53,6 @@
};
};
-&emac {
- /* LEDs changed to active high on the plus */
- /delete-property/ allwinner,leds-active-low;
-};
-
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins_a>;
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
index 998b60f..1a044b1 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts
@@ -52,7 +52,6 @@
compatible = "xunlong,orangepi-pc", "allwinner,sun8i-h3";
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
};
@@ -114,13 +113,6 @@
status = "okay";
};
-&emac {
- phy-handle = <&int_mii_phy>;
- phy-mode = "mii";
- allwinner,leds-active-low;
- status = "okay";
-};
-
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
index 331ed68..828ae7a 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
@@ -47,10 +47,6 @@
model = "Xunlong Orange Pi Plus / Plus 2";
compatible = "xunlong,orangepi-plus", "allwinner,sun8i-h3";
- aliases {
- ethernet0 = &emac;
- };
-
reg_gmac_3v3: gmac-3v3 {
compatible = "regulator-fixed";
regulator-name = "gmac-3v3";
@@ -78,24 +74,6 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
-
- allwinner,leds-active-low;
- status = "okay";
-};
-
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <0>;
- };
-};
-
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_8bit_pins>;
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus2e.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-plus2e.dts
index 80026f3..97920b1 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus2e.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus2e.dts
@@ -61,19 +61,3 @@
gpio = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */
};
};
-
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
- status = "okay";
-};
-
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 6f21626..11240a8 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -391,32 +391,6 @@
clocks = <&osc24M>;
};
- emac: ethernet@1c30000 {
- compatible = "allwinner,sun8i-h3-emac";
- syscon = <&syscon>;
- reg = <0x01c30000 0x104>;
- interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "macirq";
- resets = <&ccu RST_BUS_EMAC>;
- reset-names = "stmmaceth";
- clocks = <&ccu CLK_BUS_EMAC>;
- clock-names = "stmmaceth";
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";
-
- mdio: mdio {
- #address-cells = <1>;
- #size-cells = <0>;
- int_mii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- clocks = <&ccu CLK_BUS_EPHY>;
- resets = <&ccu RST_BUS_EPHY>;
- };
- };
- };
-
spi0: spi@01c68000 {
compatible = "allwinner,sun8i-h3-spi";
reg = <0x01c68000 0x1000>;
diff --git a/arch/arm/boot/dts/tango4-smp8758.dtsi b/arch/arm/boot/dts/tango4-smp8758.dtsi
index d2e65c4..eca33d5 100644
--- a/arch/arm/boot/dts/tango4-smp8758.dtsi
+++ b/arch/arm/boot/dts/tango4-smp8758.dtsi
@@ -13,7 +13,6 @@
reg = <0>;
clocks = <&clkgen CPU_CLK>;
clock-latency = <1>;
- operating-points = <1215000 0 607500 0 405000 0 243000 0 135000 0>;
};
cpu1: cpu@1 {
diff --git a/arch/arm/boot/dts/tango4-vantage-1172.dts b/arch/arm/boot/dts/tango4-vantage-1172.dts
index 86d8df9..13bcc46 100644
--- a/arch/arm/boot/dts/tango4-vantage-1172.dts
+++ b/arch/arm/boot/dts/tango4-vantage-1172.dts
@@ -22,7 +22,7 @@
};
ð0 {
- phy-connection-type = "rgmii";
+ phy-connection-type = "rgmii-id";
phy-handle = <ð0_phy>;
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h
index 4e6e88a..2244a94e 100644
--- a/arch/arm/include/asm/bug.h
+++ b/arch/arm/include/asm/bug.h
@@ -37,7 +37,7 @@
".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \
"2:\t.asciz " #__file "\n" \
".popsection\n" \
- ".pushsection __bug_table,\"a\"\n" \
+ ".pushsection __bug_table,\"aw\"\n" \
".align 2\n" \
"3:\t.word 1b, 2b\n" \
"\t.hword " #__line ", 0\n" \
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index d69bebf..74504b1 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -116,7 +116,7 @@
void (*dma_unmap_area)(const void *, size_t, int);
void (*dma_flush_range)(const void *, const void *);
-};
+} __no_randomize_layout;
/*
* Select the calling method
diff --git a/arch/arm/include/asm/kexec.h b/arch/arm/include/asm/kexec.h
index 1869af6..25021b7 100644
--- a/arch/arm/include/asm/kexec.h
+++ b/arch/arm/include/asm/kexec.h
@@ -19,6 +19,11 @@
#ifndef __ASSEMBLY__
+#define ARCH_HAS_KIMAGE_ARCH
+struct kimage_arch {
+ u32 kernel_r2;
+};
+
/**
* crash_setup_regs() - save registers for the panic kernel
* @newregs: registers are saved here
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 127e2dd..4a879f6 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -225,12 +225,6 @@
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
-/* We do not have shadow page tables, hence the empty hooks */
-static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address)
-{
-}
-
struct kvm_vcpu *kvm_arm_get_running_vcpu(void);
struct kvm_vcpu __percpu **kvm_get_running_vcpus(void);
void kvm_arm_halt_guest(struct kvm *kvm);
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 3f2eb76..d5562f9 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -148,7 +148,8 @@
}
static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
+arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->fullmm = !(start | (end+1));
@@ -166,8 +167,14 @@
}
static inline void
-tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
+ if (force) {
+ tlb->range_start = start;
+ tlb->range_end = end;
+ }
+
tlb_flush_mmu(tlb);
/* keep the page table cache within bounds */
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index 14749ae..921d827 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -35,6 +35,12 @@
* bytes, to prevent unpredictable padding in the signal frame.
*/
+/*
+ * Dummy padding block: if this magic is encountered, the block should
+ * be skipped using the corresponding size field.
+ */
+#define DUMMY_MAGIC 0xb0d9ed01
+
#ifdef CONFIG_CRUNCH
#define CRUNCH_MAGIC 0x5065cf03
#define CRUNCH_STORAGE_SIZE (CRUNCH_SIZE + 8)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 1549588..fe1419e 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -30,7 +30,6 @@
static atomic_t waiting_for_crash_ipi;
-static unsigned long dt_mem;
/*
* Provide a dummy crash_notes definition while crash dump arrives to arm.
* This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
@@ -42,6 +41,9 @@
__be32 header;
int i, err;
+ image->arch.kernel_r2 = image->start - KEXEC_ARM_ZIMAGE_OFFSET
+ + KEXEC_ARM_ATAGS_OFFSET;
+
/*
* Validate that if the current HW supports SMP, then the SW supports
* and implements CPU hotplug for the current HW. If not, we won't be
@@ -66,8 +68,8 @@
if (err)
return err;
- if (be32_to_cpu(header) == OF_DT_HEADER)
- dt_mem = current_segment->mem;
+ if (header == cpu_to_be32(OF_DT_HEADER))
+ image->arch.kernel_r2 = current_segment->mem;
}
return 0;
}
@@ -165,8 +167,7 @@
kexec_start_address = image->start;
kexec_indirection_page = page_list;
kexec_mach_type = machine_arch_type;
- kexec_boot_atags = dt_mem ?: image->start - KEXEC_ARM_ZIMAGE_OFFSET
- + KEXEC_ARM_ATAGS_OFFSET;
+ kexec_boot_atags = image->arch.kernel_r2;
/* copy our kernel relocation code to the control code page */
reboot_entry = fncpy(reboot_code_buffer,
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 4e80bf7..8e9a3e4 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -987,6 +987,9 @@
if (crash_base <= 0) {
unsigned long long crash_max = idmap_to_phys((u32)~0);
+ unsigned long long lowmem_max = __pa(high_memory - 1) + 1;
+ if (crash_max > lowmem_max)
+ crash_max = lowmem_max;
crash_base = memblock_find_in_range(CRASH_ALIGN, crash_max,
crash_size, CRASH_ALIGN);
if (!crash_base) {
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 7b8f214..5814298 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -40,8 +40,10 @@
return __copy_to_user(frame, kframe, sizeof(*frame));
}
-static int restore_crunch_context(struct crunch_sigframe __user *frame)
+static int restore_crunch_context(char __user **auxp)
{
+ struct crunch_sigframe __user *frame =
+ (struct crunch_sigframe __user *)*auxp;
char kbuf[sizeof(*frame) + 8];
struct crunch_sigframe *kframe;
@@ -52,6 +54,7 @@
if (kframe->magic != CRUNCH_MAGIC ||
kframe->size != CRUNCH_STORAGE_SIZE)
return -1;
+ *auxp += CRUNCH_STORAGE_SIZE;
crunch_task_restore(current_thread_info(), &kframe->storage);
return 0;
}
@@ -59,21 +62,39 @@
#ifdef CONFIG_IWMMXT
-static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
+static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)
{
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;
+ int err = 0;
/* the iWMMXt context must be 64 bit aligned */
kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
- kframe->magic = IWMMXT_MAGIC;
- kframe->size = IWMMXT_STORAGE_SIZE;
- iwmmxt_task_copy(current_thread_info(), &kframe->storage);
- return __copy_to_user(frame, kframe, sizeof(*frame));
+
+ if (test_thread_flag(TIF_USING_IWMMXT)) {
+ kframe->magic = IWMMXT_MAGIC;
+ kframe->size = IWMMXT_STORAGE_SIZE;
+ iwmmxt_task_copy(current_thread_info(), &kframe->storage);
+
+ err = __copy_to_user(frame, kframe, sizeof(*frame));
+ } else {
+ /*
+ * For bug-compatibility with older kernels, some space
+ * has to be reserved for iWMMXt even if it's not used.
+ * Set the magic and size appropriately so that properly
+ * written userspace can skip it reliably:
+ */
+ __put_user_error(DUMMY_MAGIC, &frame->magic, err);
+ __put_user_error(IWMMXT_STORAGE_SIZE, &frame->size, err);
+ }
+
+ return err;
}
-static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
+static int restore_iwmmxt_context(char __user **auxp)
{
+ struct iwmmxt_sigframe __user *frame =
+ (struct iwmmxt_sigframe __user *)*auxp;
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;
@@ -81,10 +102,28 @@
kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
if (__copy_from_user(kframe, frame, sizeof(*frame)))
return -1;
- if (kframe->magic != IWMMXT_MAGIC ||
- kframe->size != IWMMXT_STORAGE_SIZE)
+
+ /*
+ * For non-iWMMXt threads: a single iwmmxt_sigframe-sized dummy
+ * block is discarded for compatibility with setup_sigframe() if
+ * present, but we don't mandate its presence. If some other
+ * magic is here, it's not for us:
+ */
+ if (!test_thread_flag(TIF_USING_IWMMXT) &&
+ kframe->magic != DUMMY_MAGIC)
+ return 0;
+
+ if (kframe->size != IWMMXT_STORAGE_SIZE)
return -1;
- iwmmxt_task_restore(current_thread_info(), &kframe->storage);
+
+ if (test_thread_flag(TIF_USING_IWMMXT)) {
+ if (kframe->magic != IWMMXT_MAGIC)
+ return -1;
+
+ iwmmxt_task_restore(current_thread_info(), &kframe->storage);
+ }
+
+ *auxp += IWMMXT_STORAGE_SIZE;
return 0;
}
@@ -107,8 +146,10 @@
return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc);
}
-static int restore_vfp_context(struct vfp_sigframe __user *frame)
+static int restore_vfp_context(char __user **auxp)
{
+ struct vfp_sigframe __user *frame =
+ (struct vfp_sigframe __user *)*auxp;
unsigned long magic;
unsigned long size;
int err = 0;
@@ -121,6 +162,7 @@
if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
return -EINVAL;
+ *auxp += size;
return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc);
}
@@ -141,7 +183,7 @@
static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf)
{
- struct aux_sigframe __user *aux;
+ char __user *aux;
sigset_t set;
int err;
@@ -169,18 +211,18 @@
err |= !valid_user_regs(regs);
- aux = (struct aux_sigframe __user *) sf->uc.uc_regspace;
+ aux = (char __user *) sf->uc.uc_regspace;
#ifdef CONFIG_CRUNCH
if (err == 0)
- err |= restore_crunch_context(&aux->crunch);
+ err |= restore_crunch_context(&aux);
#endif
#ifdef CONFIG_IWMMXT
- if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
- err |= restore_iwmmxt_context(&aux->iwmmxt);
+ if (err == 0)
+ err |= restore_iwmmxt_context(&aux);
#endif
#ifdef CONFIG_VFP
if (err == 0)
- err |= restore_vfp_context(&aux->vfp);
+ err |= restore_vfp_context(&aux);
#endif
return err;
@@ -286,7 +328,7 @@
err |= preserve_crunch_context(&aux->crunch);
#endif
#ifdef CONFIG_IWMMXT
- if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
+ if (err == 0)
err |= preserve_iwmmxt_context(&aux->iwmmxt);
#endif
#ifdef CONFIG_VFP
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index d735e5f..195da38 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,7 +1,7 @@
menuconfig ARCH_AT91
bool "Atmel SoCs"
depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M
- select ARM_CPU_SUSPEND if PM
+ select ARM_CPU_SUSPEND if PM && ARCH_MULTI_V7
select COMMON_CLK_AT91
select GPIOLIB
select PINCTRL
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 667fdda..5036f99 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -608,6 +608,9 @@
void __init at91rm9200_pm_init(void)
{
+ if (!IS_ENABLED(CONFIG_SOC_AT91RM9200))
+ return;
+
at91_dt_ramc();
/*
@@ -620,18 +623,27 @@
void __init at91sam9_pm_init(void)
{
+ if (!IS_ENABLED(CONFIG_SOC_AT91SAM9))
+ return;
+
at91_dt_ramc();
at91_pm_init(at91sam9_idle);
}
void __init sama5_pm_init(void)
{
+ if (!IS_ENABLED(CONFIG_SOC_SAMA5))
+ return;
+
at91_dt_ramc();
at91_pm_init(NULL);
}
void __init sama5d2_pm_init(void)
{
+ if (!IS_ENABLED(CONFIG_SOC_SAMA5D2))
+ return;
+
at91_pm_backup_init();
sama5_pm_init();
}
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index b5625d0..e568c8c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1166,7 +1166,7 @@
#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
-static const struct vpif_input da850_ch0_inputs[] = {
+static struct vpif_input da850_ch0_inputs[] = {
{
.input = {
.index = 0,
@@ -1181,7 +1181,7 @@
},
};
-static const struct vpif_input da850_ch1_inputs[] = {
+static struct vpif_input da850_ch1_inputs[] = {
{
.input = {
.index = 0,
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index f5dce9b..f77a4f7 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -218,6 +218,15 @@
}
EXPORT_SYMBOL(clk_set_parent);
+struct clk *clk_get_parent(struct clk *clk)
+{
+ if (!clk)
+ return NULL;
+
+ return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
int clk_register(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index 39ef3b6..beec5f1 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -475,6 +475,26 @@
}
EXPORT_SYMBOL(clk_set_rate);
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
static char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
static char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index 7a0c13b..844e8ac 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -95,8 +95,10 @@
}
static inline void __indirect_writesb(volatile void __iomem *bus_addr,
- const u8 *vaddr, int count)
+ const void *p, int count)
{
+ const u8 *vaddr = p;
+
while (count--)
writeb(*vaddr++, bus_addr);
}
@@ -118,8 +120,10 @@
}
static inline void __indirect_writesw(volatile void __iomem *bus_addr,
- const u16 *vaddr, int count)
+ const void *p, int count)
{
+ const u16 *vaddr = p;
+
while (count--)
writew(*vaddr++, bus_addr);
}
@@ -137,8 +141,9 @@
}
static inline void __indirect_writesl(volatile void __iomem *bus_addr,
- const u32 *vaddr, int count)
+ const void *p, int count)
{
+ const u32 *vaddr = p;
while (count--)
writel(*vaddr++, bus_addr);
}
@@ -160,8 +165,10 @@
}
static inline void __indirect_readsb(const volatile void __iomem *bus_addr,
- u8 *vaddr, u32 count)
+ void *p, u32 count)
{
+ u8 *vaddr = p;
+
while (count--)
*vaddr++ = readb(bus_addr);
}
@@ -183,8 +190,10 @@
}
static inline void __indirect_readsw(const volatile void __iomem *bus_addr,
- u16 *vaddr, u32 count)
+ void *p, u32 count)
{
+ u16 *vaddr = p;
+
while (count--)
*vaddr++ = readw(bus_addr);
}
@@ -204,8 +213,10 @@
}
static inline void __indirect_readsl(const volatile void __iomem *bus_addr,
- u32 *vaddr, u32 count)
+ void *p, u32 count)
{
+ u32 *vaddr = p;
+
while (count--)
*vaddr++ = readl(bus_addr);
}
@@ -523,8 +534,15 @@
#endif
}
-#define ioport_map(port, nr) ((void __iomem*)(port + PIO_OFFSET))
-#define ioport_unmap(addr)
+#define ioport_map(port, nr) ioport_map(port, nr)
+static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+ return ((void __iomem*)((port) + PIO_OFFSET));
+}
+#define ioport_unmap(addr) ioport_unmap(addr)
+static inline void ioport_unmap(void __iomem *addr)
+{
+}
#endif /* CONFIG_PCI */
#endif /* __ASM_ARM_ARCH_IO_H */
diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c
index 3330ac7..671c7a0 100644
--- a/arch/arm/mach-mmp/devices.c
+++ b/arch/arm/mach-mmp/devices.c
@@ -238,7 +238,7 @@
#endif
#if IS_ENABLED(CONFIG_USB_SUPPORT)
-static u64 usb_dma_mask = ~(u32)0;
+static u64 __maybe_unused usb_dma_mask = ~(u32)0;
#if IS_ENABLED(CONFIG_USB_MV_UDC)
struct resource pxa168_u2o_resources[] = {
diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c
index e62273a..4ffbbd2 100644
--- a/arch/arm/mach-mvebu/platsmp.c
+++ b/arch/arm/mach-mvebu/platsmp.c
@@ -211,7 +211,7 @@
return PTR_ERR(base);
writel(0, base + MV98DX3236_CPU_RESUME_CTRL_REG);
- writel(virt_to_phys(boot_addr), base + MV98DX3236_CPU_RESUME_ADDR_REG);
+ writel(__pa_symbol(boot_addr), base + MV98DX3236_CPU_RESUME_ADDR_REG);
iounmap(base);
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 6613a6f..6cbc69c 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -510,6 +510,7 @@
static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
{
struct modem_private_data *priv = port->private_data;
+ int ret;
if (IS_ERR(priv->regulator))
return;
@@ -518,9 +519,16 @@
return;
if (state == 0)
- regulator_enable(priv->regulator);
+ ret = regulator_enable(priv->regulator);
else if (old == 0)
- regulator_disable(priv->regulator);
+ ret = regulator_disable(priv->regulator);
+ else
+ ret = 0;
+
+ if (ret)
+ dev_warn(port->dev,
+ "ams_delta modem_pm: failed to %sable regulator: %d\n",
+ state ? "dis" : "en", ret);
}
static struct plat_serial8250_port ams_delta_modem_ports[] = {
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 4dfb995..95ac192 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -441,13 +441,11 @@
.chip_select = 0,
} };
-#ifdef CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
return IRQ_HANDLED;
}
-#endif
static void __init osk_mistral_init(void)
{
@@ -515,7 +513,6 @@
gpio_direction_input(OMAP_MPUIO(2));
irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
-#ifdef CONFIG_PM
/* share the IRQ in case someone wants to use the
* button for more than wakeup from system sleep.
*/
@@ -529,7 +526,6 @@
ret);
} else
enable_irq_wake(irq);
-#endif
} else
printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index dc9e34e..b1e661b 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -28,7 +28,7 @@
{ }
};
-static void __init omap_generic_init(void)
+static void __init __maybe_unused omap_generic_init(void)
{
pdata_quirks_init(omap_dt_match_table);
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index be517b0..5b61438 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -32,120 +32,6 @@
#define HSMMC_NAME_LEN 9
-static void omap_hsmmc1_before_set_reg(struct device *dev,
- int power_on, int vdd)
-{
- u32 reg, prog_io;
- struct omap_hsmmc_platform_data *mmc = dev->platform_data;
-
- if (mmc->remux)
- mmc->remux(dev, power_on);
-
- /*
- * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
- * card with Vcc regulator (from twl4030 or whatever). OMAP has both
- * 1.8V and 3.0V modes, controlled by the PBIAS register.
- *
- * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
- * is most naturally TWL VSIM; those pins also use PBIAS.
- *
- * FIXME handle VMMC1A as needed ...
- */
- if (power_on) {
- if (cpu_is_omap2430()) {
- reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
- if ((1 << vdd) >= MMC_VDD_30_31)
- reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
- else
- reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
- omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
- }
-
- if (mmc->internal_clock) {
- reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
- reg |= OMAP2_MMCSDIO1ADPCLKISEL;
- omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
- }
-
- reg = omap_ctrl_readl(control_pbias_offset);
- if (cpu_is_omap3630()) {
- /* Set MMC I/O to 52MHz */
- prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
- prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
- omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
- } else {
- reg |= OMAP2_PBIASSPEEDCTRL0;
- }
- reg &= ~OMAP2_PBIASLITEPWRDNZ0;
- omap_ctrl_writel(reg, control_pbias_offset);
- } else {
- reg = omap_ctrl_readl(control_pbias_offset);
- reg &= ~OMAP2_PBIASLITEPWRDNZ0;
- omap_ctrl_writel(reg, control_pbias_offset);
- }
-}
-
-static void omap_hsmmc1_after_set_reg(struct device *dev, int power_on, int vdd)
-{
- u32 reg;
-
- /* 100ms delay required for PBIAS configuration */
- msleep(100);
-
- if (power_on) {
- reg = omap_ctrl_readl(control_pbias_offset);
- reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
- if ((1 << vdd) <= MMC_VDD_165_195)
- reg &= ~OMAP2_PBIASLITEVMODE0;
- else
- reg |= OMAP2_PBIASLITEVMODE0;
- omap_ctrl_writel(reg, control_pbias_offset);
- } else {
- reg = omap_ctrl_readl(control_pbias_offset);
- reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
- OMAP2_PBIASLITEVMODE0);
- omap_ctrl_writel(reg, control_pbias_offset);
- }
-}
-
-static void hsmmc2_select_input_clk_src(struct omap_hsmmc_platform_data *mmc)
-{
- u32 reg;
-
- reg = omap_ctrl_readl(control_devconf1_offset);
- if (mmc->internal_clock)
- reg |= OMAP2_MMCSDIO2ADPCLKISEL;
- else
- reg &= ~OMAP2_MMCSDIO2ADPCLKISEL;
- omap_ctrl_writel(reg, control_devconf1_offset);
-}
-
-static void hsmmc2_before_set_reg(struct device *dev, int power_on, int vdd)
-{
- struct omap_hsmmc_platform_data *mmc = dev->platform_data;
-
- if (mmc->remux)
- mmc->remux(dev, power_on);
-
- if (power_on)
- hsmmc2_select_input_clk_src(mmc);
-}
-
-static int am35x_hsmmc2_set_power(struct device *dev, int power_on, int vdd)
-{
- struct omap_hsmmc_platform_data *mmc = dev->platform_data;
-
- if (power_on)
- hsmmc2_select_input_clk_src(mmc);
-
- return 0;
-}
-
-static int nop_mmc_set_power(struct device *dev, int power_on, int vdd)
-{
- return 0;
-}
-
static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
struct omap_hsmmc_platform_data *mmc)
{
@@ -157,101 +43,11 @@
return -ENOMEM;
}
- if (c->name)
- strncpy(hc_name, c->name, HSMMC_NAME_LEN);
- else
- snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i",
- c->mmc, 1);
+ snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", c->mmc, 1);
mmc->name = hc_name;
mmc->caps = c->caps;
- mmc->internal_clock = !c->ext_clock;
mmc->reg_offset = 0;
- if (c->cover_only) {
- /* detect if mobile phone cover removed */
- mmc->gpio_cd = -EINVAL;
- mmc->gpio_cod = c->gpio_cd;
- } else {
- /* card detect pin on the mmc socket itself */
- mmc->gpio_cd = c->gpio_cd;
- mmc->gpio_cod = -EINVAL;
- }
- mmc->gpio_wp = c->gpio_wp;
-
- mmc->remux = c->remux;
- mmc->init_card = c->init_card;
-
- if (c->nonremovable)
- mmc->nonremovable = 1;
-
- /*
- * NOTE: MMC slots should have a Vcc regulator set up.
- * This may be from a TWL4030-family chip, another
- * controllable regulator, or a fixed supply.
- *
- * temporary HACK: ocr_mask instead of fixed supply
- */
- if (soc_is_am35xx())
- mmc->ocr_mask = MMC_VDD_165_195 |
- MMC_VDD_26_27 |
- MMC_VDD_27_28 |
- MMC_VDD_29_30 |
- MMC_VDD_30_31 |
- MMC_VDD_31_32;
- else
- mmc->ocr_mask = c->ocr_mask;
-
- if (!soc_is_am35xx())
- mmc->features |= HSMMC_HAS_PBIAS;
-
- switch (c->mmc) {
- case 1:
- if (mmc->features & HSMMC_HAS_PBIAS) {
- /* on-chip level shifting via PBIAS0/PBIAS1 */
- mmc->before_set_reg =
- omap_hsmmc1_before_set_reg;
- mmc->after_set_reg =
- omap_hsmmc1_after_set_reg;
- }
-
- if (soc_is_am35xx())
- mmc->set_power = nop_mmc_set_power;
-
- /* OMAP3630 HSMMC1 supports only 4-bit */
- if (cpu_is_omap3630() &&
- (c->caps & MMC_CAP_8_BIT_DATA)) {
- c->caps &= ~MMC_CAP_8_BIT_DATA;
- c->caps |= MMC_CAP_4_BIT_DATA;
- mmc->caps = c->caps;
- }
- break;
- case 2:
- if (soc_is_am35xx())
- mmc->set_power = am35x_hsmmc2_set_power;
-
- if (c->ext_clock)
- c->transceiver = 1;
- if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) {
- c->caps &= ~MMC_CAP_8_BIT_DATA;
- c->caps |= MMC_CAP_4_BIT_DATA;
- }
- if (mmc->features & HSMMC_HAS_PBIAS) {
- /* off-chip level shifting, or none */
- mmc->before_set_reg = hsmmc2_before_set_reg;
- mmc->after_set_reg = NULL;
- }
- break;
- case 3:
- case 4:
- case 5:
- mmc->before_set_reg = NULL;
- mmc->after_set_reg = NULL;
- break;
- default:
- pr_err("MMC%d configuration not supported!\n", c->mmc);
- kfree(hc_name);
- return -ENODEV;
- }
return 0;
}
@@ -260,7 +56,6 @@
void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
{
struct platform_device *pdev;
- struct omap_hsmmc_platform_data *mmc_pdata;
int res;
if (omap_hsmmc_done != 1)
@@ -269,32 +64,12 @@
omap_hsmmc_done++;
for (; c->mmc; c++) {
- if (!c->deferred)
- continue;
-
pdev = c->pdev;
if (!pdev)
continue;
-
- mmc_pdata = pdev->dev.platform_data;
- if (!mmc_pdata)
- continue;
-
- if (c->cover_only) {
- /* detect if mobile phone cover removed */
- mmc_pdata->gpio_cd = -EINVAL;
- mmc_pdata->gpio_cod = c->gpio_cd;
- } else {
- /* card detect pin on the mmc socket itself */
- mmc_pdata->gpio_cd = c->gpio_cd;
- mmc_pdata->gpio_cod = -EINVAL;
- }
- mmc_pdata->gpio_wp = c->gpio_wp;
-
res = omap_device_register(pdev);
if (res)
- pr_err("Could not late init MMC %s\n",
- c->name);
+ pr_err("Could not late init MMC\n");
}
}
@@ -336,13 +111,6 @@
if (oh->dev_attr != NULL) {
mmc_dev_attr = oh->dev_attr;
mmc_data->controller_flags = mmc_dev_attr->flags;
- /*
- * erratum 2.1.1.128 doesn't apply if board has
- * a transceiver is attached
- */
- if (hsmmcinfo->transceiver)
- mmc_data->controller_flags &=
- ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
}
pdev = platform_device_alloc(name, ctrl_nr - 1);
@@ -367,9 +135,6 @@
hsmmcinfo->pdev = pdev;
- if (hsmmcinfo->deferred)
- goto free_mmc;
-
res = omap_device_register(pdev);
if (res) {
pr_err("Could not register od for %s\n", name);
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
index 69b619d..af9af50 100644
--- a/arch/arm/mach-omap2/hsmmc.h
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -12,18 +12,9 @@
u8 mmc; /* controller 1/2/3 */
u32 caps; /* 4/8 wires and any additional host
* capabilities OR'd (ref. linux/mmc/host.h) */
- bool transceiver; /* MMC-2 option */
- bool ext_clock; /* use external pin for input clock */
- bool cover_only; /* No card detect - just cover switch */
- bool nonremovable; /* Nonremovable e.g. eMMC */
- bool deferred; /* mmc needs a deferred probe */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
- char *name; /* or NULL for default */
struct platform_device *pdev; /* mmc controller instance */
- int ocr_mask; /* temporary HACK */
- /* Remux (pad configuration) when powering on/off */
- void (*remux)(struct device *dev, int power_on);
/* init some special card */
void (*init_card)(struct mmc_card *card);
};
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 1d739d1..1cd20e4 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -410,7 +410,7 @@
return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
}
-static void __init omap_hwmod_init_postsetup(void)
+static void __init __maybe_unused omap_hwmod_init_postsetup(void)
{
u8 postsetup_state;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index d44e0e2..841ba19 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -486,7 +486,6 @@
ret = request_irq(omap_prcm_event_to_irq("io"),
_prcm_int_handle_io, IRQF_SHARED | IRQF_NO_SUSPEND, "pm_io",
omap3_pm_init);
- enable_irq(omap_prcm_event_to_irq("io"));
if (ret) {
pr_err("pm: Failed to request pm_io irq\n");
diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c
index 382e236..64f6451 100644
--- a/arch/arm/mach-omap2/prm3xxx.c
+++ b/arch/arm/mach-omap2/prm3xxx.c
@@ -692,7 +692,6 @@
{
struct device_node *np;
int irq_num;
- int ret;
if (!(prm_features & PRM_HAS_IO_WAKEUP))
return 0;
@@ -712,12 +711,8 @@
}
omap3xxx_prm_enable_io_wakeup();
- ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
- if (!ret)
- irq_set_status_flags(omap_prcm_event_to_irq("io"),
- IRQ_NOAUTOEN);
- return ret;
+ return omap_prcm_register_chain_handler(&omap3_prcm_irq_setup);
}
static void __exit omap3xxx_prm_exit(void)
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 87e86a4..3ab5df1 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -337,6 +337,27 @@
}
/**
+ * omap44xx_prm_enable_io_wakeup - enable wakeup events from I/O wakeup latches
+ *
+ * Activates the I/O wakeup event latches and allows events logged by
+ * those latches to signal a wakeup event to the PRCM. For I/O wakeups
+ * to occur, WAKEUPENABLE bits must be set in the pad mux registers, and
+ * omap44xx_prm_reconfigure_io_chain() must be called. No return value.
+ */
+static void __init omap44xx_prm_enable_io_wakeup(void)
+{
+ s32 inst = omap4_prmst_get_prm_dev_inst();
+
+ if (inst == PRM_INSTANCE_UNKNOWN)
+ return;
+
+ omap4_prm_rmw_inst_reg_bits(OMAP4430_GLOBAL_WUEN_MASK,
+ OMAP4430_GLOBAL_WUEN_MASK,
+ inst,
+ omap4_prcm_irq_setup.pm_ctrl);
+}
+
+/**
* omap44xx_prm_read_reset_sources - return the last SoC reset source
*
* Return a u32 representing the last reset sources of the SoC. The
@@ -668,6 +689,8 @@
.pwrdm_has_voltdm = omap4_check_vcvp,
};
+static int omap44xx_prm_late_init(void);
+
/*
* XXX document
*/
@@ -675,6 +698,7 @@
.read_reset_sources = &omap44xx_prm_read_reset_sources,
.was_any_context_lost_old = &omap44xx_prm_was_any_context_lost_old,
.clear_context_loss_flags_old = &omap44xx_prm_clear_context_loss_flags_old,
+ .late_init = &omap44xx_prm_late_init,
.assert_hardreset = omap4_prminst_assert_hardreset,
.deassert_hardreset = omap4_prminst_deassert_hardreset,
.is_hardreset_asserted = omap4_prminst_is_hardreset_asserted,
@@ -711,6 +735,37 @@
return prm_register(&omap44xx_prm_ll_data);
}
+static int omap44xx_prm_late_init(void)
+{
+ int irq_num;
+
+ if (!(prm_features & PRM_HAS_IO_WAKEUP))
+ return 0;
+
+ irq_num = of_irq_get(prm_init_data->np, 0);
+ /*
+ * Already have OMAP4 IRQ num. For all other platforms, we need
+ * IRQ numbers from DT
+ */
+ if (irq_num < 0 && !(prm_init_data->flags & PRM_IRQ_DEFAULT)) {
+ if (irq_num == -EPROBE_DEFER)
+ return irq_num;
+
+ /* Have nothing to do */
+ return 0;
+ }
+
+ /* Once OMAP4 DT is filled as well */
+ if (irq_num >= 0) {
+ omap4_prcm_irq_setup.irq = irq_num;
+ omap4_prcm_irq_setup.xlate_irq = NULL;
+ }
+
+ omap44xx_prm_enable_io_wakeup();
+
+ return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup);
+}
+
static void __exit omap44xx_prm_exit(void)
{
prm_unregister(&omap44xx_prm_ll_data);
diff --git a/arch/arm/mach-prima2/common.c b/arch/arm/mach-prima2/common.c
index 8cadb30..ffe05c2 100644
--- a/arch/arm/mach-prima2/common.c
+++ b/arch/arm/mach-prima2/common.c
@@ -15,7 +15,7 @@
#include <linux/of_platform.h>
#include "common.h"
-static void __init sirfsoc_init_late(void)
+static void __init __maybe_unused sirfsoc_init_late(void)
{
sirfsoc_pm_init();
}
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 76fbc11..ce7d97b 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -566,6 +566,7 @@
config ARCH_PXA_ESERIES
bool "PXA based Toshiba e-series PDAs"
select FB_W100
+ select FB
select PXA25x
config MACH_E330
diff --git a/arch/arm/mach-pxa/include/mach/mtd-xip.h b/arch/arm/mach-pxa/include/mach/mtd-xip.h
index 990d2bf..9bf4ea6 100644
--- a/arch/arm/mach-pxa/include/mach/mtd-xip.h
+++ b/arch/arm/mach-pxa/include/mach/mtd-xip.h
@@ -17,11 +17,15 @@
#include <mach/regs-ost.h>
-#define xip_irqpending() (ICIP & ICMR)
+/* restored July 2017, this did not build since 2011! */
+
+#define ICIP io_p2v(0x40d00000)
+#define ICMR io_p2v(0x40d00004)
+#define xip_irqpending() (readl(ICIP) & readl(ICMR))
/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
-#define xip_currtime() (OSCR)
-#define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4)
+#define xip_currtime() readl(OSCR)
+#define xip_elapsed_since(x) (signed)((readl(OSCR) - (x)) / 4)
/*
* xip_cpu_idle() is used when waiting for a delay equal or larger than
diff --git a/arch/arm/mach-rpc/include/mach/hardware.h b/arch/arm/mach-rpc/include/mach/hardware.h
index aa79fa4..622d4e5 100644
--- a/arch/arm/mach-rpc/include/mach/hardware.h
+++ b/arch/arm/mach-rpc/include/mach/hardware.h
@@ -25,8 +25,8 @@
* *_SIZE is the size of the region
* *_BASE is the virtual address
*/
-#define RAM_SIZE 0x10000000
-#define RAM_START 0x10000000
+#define RPC_RAM_SIZE 0x10000000
+#define RPC_RAM_START 0x10000000
#define EASI_SIZE 0x08000000 /* EASI I/O */
#define EASI_START 0x08000000
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index 0db4689..7d52cd9 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -35,6 +35,31 @@
static DEFINE_SPINLOCK(clocks_lock);
+/* Dummy clk routine to build generic kernel parts that may be using them */
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ return clk_get_rate(clk);
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ return NULL;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
static void clk_gpio27_enable(struct clk *clk)
{
/*
diff --git a/arch/arm/mach-sa1100/include/mach/mtd-xip.h b/arch/arm/mach-sa1100/include/mach/mtd-xip.h
index b3d6840..cb76096 100644
--- a/arch/arm/mach-sa1100/include/mach/mtd-xip.h
+++ b/arch/arm/mach-sa1100/include/mach/mtd-xip.h
@@ -20,7 +20,7 @@
#define xip_irqpending() (ICIP & ICMR)
/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
-#define xip_currtime() (OSCR)
-#define xip_elapsed_since(x) (signed)((OSCR - (x)) / 4)
+#define xip_currtime() readl_relaxed(OSCR)
+#define xip_elapsed_since(x) (signed)((readl_relaxed(OSCR) - (x)) / 4)
#endif /* __ARCH_SA1100_MTD_XIP_H__ */
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 73e3adb..44438f3 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -67,8 +67,12 @@
{
struct device *dev = data;
struct i2c_client *client;
+ static bool done;
u32 mon;
+ if (done)
+ return 0;
+
mon = ioread32(irqc + IRQC_MONITOR);
dev_dbg(dev, "%s: %ld, IRQC_MONITOR = 0x%x\n", __func__, action, mon);
if (mon & REGULATOR_IRQ_MASK)
@@ -99,7 +103,7 @@
remove:
dev_info(dev, "IRQ2 is not asserted, removing quirk\n");
- bus_unregister_notifier(&i2c_bus_type, nb);
+ done = true;
iounmap(irqc);
return 0;
}
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 28083ef..71a34e8 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -133,6 +133,7 @@
static struct arm_pmu_platdata db8500_pmu_platdata = {
.handle_irq = db8500_pmu_handler,
+ .irq_flags = IRQF_NOBALANCING | IRQF_NO_THREAD,
};
static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
diff --git a/arch/arm/mach-w90x900/clock.c b/arch/arm/mach-w90x900/clock.c
index ac6fd1a..3f93fac 100644
--- a/arch/arm/mach-w90x900/clock.c
+++ b/arch/arm/mach-w90x900/clock.c
@@ -93,3 +93,32 @@
__raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK);
}
+
+/* dummy functions, should not be called */
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ WARN_ON(clk);
+ return 0;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ WARN_ON(clk);
+ return NULL;
+}
+EXPORT_SYMBOL(clk_get_parent);
diff --git a/arch/arm/mm/dma-mapping-nommu.c b/arch/arm/mm/dma-mapping-nommu.c
index 90ee354..6db5fc26 100644
--- a/arch/arm/mm/dma-mapping-nommu.c
+++ b/arch/arm/mm/dma-mapping-nommu.c
@@ -40,9 +40,21 @@
{
const struct dma_map_ops *ops = &dma_noop_ops;
+ void *ret;
/*
- * We are here because:
+ * Try generic allocator first if we are advertised that
+ * consistency is not required.
+ */
+
+ if (attrs & DMA_ATTR_NON_CONSISTENT)
+ return ops->alloc(dev, size, dma_handle, gfp, attrs);
+
+ ret = dma_alloc_from_global_coherent(size, dma_handle);
+
+ /*
+ * dma_alloc_from_global_coherent() may fail because:
+ *
* - no consistent DMA region has been defined, so we can't
* continue.
* - there is no space left in consistent DMA region, so we
@@ -50,11 +62,8 @@
* advertised that consistency is not required.
*/
- if (attrs & DMA_ATTR_NON_CONSISTENT)
- return ops->alloc(dev, size, dma_handle, gfp, attrs);
-
- WARN_ON_ONCE(1);
- return NULL;
+ WARN_ON_ONCE(ret == NULL);
+ return ret;
}
static void arm_nommu_dma_free(struct device *dev, size_t size,
@@ -63,14 +72,31 @@
{
const struct dma_map_ops *ops = &dma_noop_ops;
- if (attrs & DMA_ATTR_NON_CONSISTENT)
+ if (attrs & DMA_ATTR_NON_CONSISTENT) {
ops->free(dev, size, cpu_addr, dma_addr, attrs);
- else
- WARN_ON_ONCE(1);
+ } else {
+ int ret = dma_release_from_global_coherent(get_order(size),
+ cpu_addr);
+
+ WARN_ON_ONCE(ret == 0);
+ }
return;
}
+static int arm_nommu_dma_mmap(struct device *dev, struct vm_area_struct *vma,
+ void *cpu_addr, dma_addr_t dma_addr, size_t size,
+ unsigned long attrs)
+{
+ int ret;
+
+ if (dma_mmap_from_global_coherent(vma, cpu_addr, size, &ret))
+ return ret;
+
+ return dma_common_mmap(dev, vma, cpu_addr, dma_addr, size);
+}
+
+
static void __dma_page_cpu_to_dev(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
@@ -173,6 +199,7 @@
const struct dma_map_ops arm_nommu_dma_ops = {
.alloc = arm_nommu_dma_alloc,
.free = arm_nommu_dma_free,
+ .mmap = arm_nommu_dma_mmap,
.map_page = arm_nommu_dma_map_page,
.unmap_page = arm_nommu_dma_unmap_page,
.map_sg = arm_nommu_dma_map_sg,
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e7380ba..fcf1473 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -851,7 +851,7 @@
unsigned long pfn = dma_to_pfn(dev, dma_addr);
unsigned long off = vma->vm_pgoff;
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (off < nr_pages && nr_vma_pages <= (nr_pages - off)) {
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
index 0d1f026..6872135 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
@@ -67,14 +67,6 @@
};
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&rgmii_pins>;
- phy-mode = "rgmii";
- phy-handle = <&ext_rgmii_phy>;
- status = "okay";
-};
-
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
@@ -85,13 +77,6 @@
bias-pull-up;
};
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
index 24f1aac..f82ccf3 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts
@@ -48,18 +48,3 @@
/* TODO: Camera, touchscreen, etc. */
};
-
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&rgmii_pins>;
- phy-mode = "rgmii";
- phy-handle = <&ext_rgmii_phy>;
- status = "okay";
-};
-
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index 08cda24..7c533b6 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -78,15 +78,6 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&rmii_pins>;
- phy-mode = "rmii";
- phy-handle = <&ext_rmii_phy1>;
- status = "okay";
-
-};
-
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
@@ -97,13 +88,6 @@
bias-pull-up;
};
-&mdio {
- ext_rmii_phy1: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index 17eb1cc..d891a1a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -76,21 +76,6 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&rgmii_pins>;
- phy-mode = "rgmii";
- phy-handle = <&ext_rgmii_phy>;
- status = "okay";
-};
-
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
-
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 9d00622..68aadc9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -449,26 +449,6 @@
#size-cells = <0>;
};
- emac: ethernet@1c30000 {
- compatible = "allwinner,sun50i-a64-emac";
- syscon = <&syscon>;
- reg = <0x01c30000 0x100>;
- interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "macirq";
- resets = <&ccu RST_BUS_EMAC>;
- reset-names = "stmmaceth";
- clocks = <&ccu CLK_BUS_EMAC>;
- clock-names = "stmmaceth";
- status = "disabled";
- #address-cells = <1>;
- #size-cells = <0>;
-
- mdio: mdio {
- #address-cells = <1>;
- #size-cells = <0>;
- };
- };
-
gic: interrupt-controller@1c81000 {
compatible = "arm,gic-400";
reg = <0x01c81000 0x1000>,
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
index 9689087..1c2387b 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
@@ -50,7 +50,6 @@
compatible = "friendlyarm,nanopi-neo2", "allwinner,sun50i-h5";
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
};
@@ -109,22 +108,6 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
- status = "okay";
-};
-
-&mdio {
- ext_rgmii_phy: ethernet-phy@7 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <7>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
index a8296fe..4f77c84 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
@@ -59,7 +59,6 @@
};
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
};
@@ -137,28 +136,12 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
- status = "okay";
-};
-
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
status = "okay";
};
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
index d906b30..6be0687 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-prime.dts
@@ -54,7 +54,6 @@
compatible = "xunlong,orangepi-prime", "allwinner,sun50i-h5";
aliases {
- ethernet0 = &emac;
serial0 = &uart0;
};
@@ -144,28 +143,12 @@
status = "okay";
};
-&emac {
- pinctrl-names = "default";
- pinctrl-0 = <&emac_rgmii_pins>;
- phy-supply = <®_gmac_3v3>;
- phy-handle = <&ext_rgmii_phy>;
- phy-mode = "rgmii";
- status = "okay";
-};
-
&ir {
pinctrl-names = "default";
pinctrl-0 = <&ir_pins_a>;
status = "okay";
};
-&mdio {
- ext_rgmii_phy: ethernet-phy@1 {
- compatible = "ethernet-phy-ieee802.3-c22";
- reg = <1>;
- };
-};
-
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
index 732e2e0..d9a720b 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
@@ -120,5 +120,8 @@
};
&pio {
+ interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
compatible = "allwinner,sun50i-h5-pinctrl";
};
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 35b8c88..738ed68 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -400,7 +400,7 @@
};
pwm_AO_ab: pwm@550 {
- compatible = "amlogic,meson-gx-pwm", "amlogic,meson-gxbb-pwm";
+ compatible = "amlogic,meson-gx-ao-pwm", "amlogic,meson-gxbb-ao-pwm";
reg = <0x0 0x00550 0x0 0x10>;
#pwm-cells = <3>;
status = "disabled";
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
index 72c5a9f..94567eb 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
@@ -109,8 +109,8 @@
status = "okay";
pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
pinctrl-names = "default";
- clocks = <&clkc CLKID_FCLK_DIV4>;
- clock-names = "clkin0";
+ clocks = <&xtal> , <&xtal>;
+ clock-names = "clkin0", "clkin1" ;
};
&pwm_ef {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 890821d..266fbcf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -10,12 +10,20 @@
#include <dt-bindings/input/input.h>
-#include "meson-gxl-s905x-p212.dtsi"
+#include "meson-gxl-s905x.dtsi"
/ {
compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
model = "Libre Technology CC";
+ aliases {
+ serial0 = &uart_AO;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
cvbs-connector {
compatible = "composite-video-connector";
@@ -26,6 +34,11 @@
};
};
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+ };
+
hdmi-connector {
compatible = "hdmi-connector";
type = "a";
@@ -53,6 +66,39 @@
linux,default-trigger = "heartbeat";
};
};
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x80000000>;
+ };
+
+ vcc_3v3: regulator-vcc_3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ vcc_card: regulator-vcc-card {
+ compatible = "regulator-gpio";
+
+ regulator-name = "VCC_CARD";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
+ gpios-states = <0>;
+
+ states = <3300000 0>,
+ <1800000 1>;
+ };
+
+ vddio_boot: regulator-vddio_boot {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_BOOT";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
&cvbs_vdac_port {
@@ -61,6 +107,16 @@
};
};
+ðmac {
+ status = "okay";
+};
+
+&ir {
+ status = "okay";
+ pinctrl-0 = <&remote_input_ao_pins>;
+ pinctrl-names = "default";
+};
+
&hdmi_tx {
status = "okay";
pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
@@ -73,20 +129,43 @@
};
};
-/*
- * The following devices exists but are exposed on the general
- * purpose GPIO header. End user may well decide to use those pins
- * for another purpose
- */
+/* SD card */
+&sd_emmc_b {
+ status = "okay";
+ pinctrl-0 = <&sdcard_pins>;
+ pinctrl-names = "default";
-&sd_emmc_a {
- status = "disabled";
+ bus-width = <4>;
+ cap-sd-highspeed;
+ max-frequency = <100000000>;
+ disable-wp;
+
+ cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
+ cd-inverted;
+
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc_card>;
};
-&uart_A {
- status = "disabled";
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_pins>;
+ pinctrl-names = "default";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ max-frequency = <50000000>;
+ non-removable;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vddio_boot>;
};
-&wifi32k {
- status = "disabled";
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
};
diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index dbcc3d4..51763d6 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -219,7 +219,7 @@
reg = <0x18800 0x100>, <0x18C00 0x20>;
gpiosb: gpio {
#gpio-cells = <2>;
- gpio-ranges = <&pinctrl_sb 0 0 29>;
+ gpio-ranges = <&pinctrl_sb 0 0 30>;
gpio-controller;
interrupts =
<GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index 1eb1f1e..4d36071 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -268,10 +268,10 @@
ap_gpio: gpio {
compatible = "marvell,armada-8k-gpio";
offset = <0x1040>;
- ngpios = <19>;
+ ngpios = <20>;
gpio-controller;
#gpio-cells = <2>;
- gpio-ranges = <&ap_pinctrl 0 0 19>;
+ gpio-ranges = <&ap_pinctrl 0 0 20>;
};
};
};
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
index 726528c..4c68605 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
@@ -270,6 +270,7 @@
interrupt-names = "mem", "ring0", "ring1",
"ring2", "ring3", "eip";
clocks = <&cpm_clk 1 26>;
+ dma-coherent;
};
};
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
index 95f8e5f..923f354 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
@@ -64,7 +64,7 @@
compatible = "marvell,armada-8k-rtc";
reg = <0x284000 0x20>, <0x284080 0x24>;
reg-names = "rtc", "rtc-soc";
- interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <ICU_GRP_NSR 77 IRQ_TYPE_LEVEL_HIGH>;
};
cps_ethernet: ethernet@0 {
@@ -261,6 +261,7 @@
interrupt-names = "mem", "ring0", "ring1",
"ring2", "ring3", "eip";
clocks = <&cps_clk 1 26>;
+ dma-coherent;
/*
* The cryptographic engine found on the cp110
* master is enabled by default at the SoC
diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index aef35e0..f903957 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -45,7 +45,7 @@
stdout-path = "serial0:115200n8";
};
- audio_clkout: audio_clkout {
+ audio_clkout: audio-clkout {
/*
* This is same as <&rcar_sound 0>
* but needed to avoid cs2000/rcar_sound probe dead-lock
@@ -508,7 +508,7 @@
/* audio_clkout0/1/2/3 */
#clock-cells = <1>;
- clock-frequency = <11289600 12288000>;
+ clock-frequency = <12288000 11289600>;
status = "okay";
diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index b5c6ee0..d1a3f3b 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -281,7 +281,7 @@
/* audio_clkout0/1/2/3 */
#clock-cells = <1>;
- clock-frequency = <11289600 12288000>;
+ clock-frequency = <12288000 11289600>;
status = "okay";
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 6c7d147..b4ca115 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -476,6 +476,7 @@
CONFIG_MSM_GCC_8916=y
CONFIG_MSM_GCC_8994=y
CONFIG_MSM_MMCC_8996=y
+CONFIG_HWSPINLOCK=y
CONFIG_HWSPINLOCK_QCOM=y
CONFIG_ARM_MHU=y
CONFIG_PLATFORM_MHU=y
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 74d08e4..a652ce0 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -65,13 +65,13 @@
u64 _val; \
if (needs_unstable_timer_counter_workaround()) { \
const struct arch_timer_erratum_workaround *wa; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
wa = __this_cpu_read(timer_unstable_counter_workaround); \
if (wa && wa->read_##reg) \
_val = wa->read_##reg(); \
else \
_val = read_sysreg(reg); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
} else { \
_val = read_sysreg(reg); \
} \
diff --git a/arch/arm64/include/asm/atomic_lse.h b/arch/arm64/include/asm/atomic_lse.h
index 99fa69c..9ef0797 100644
--- a/arch/arm64/include/asm/atomic_lse.h
+++ b/arch/arm64/include/asm/atomic_lse.h
@@ -435,7 +435,7 @@
" sub x30, x30, %[ret]\n"
" cbnz x30, 1b\n"
"2:")
- : [ret] "+&r" (x0), [v] "+Q" (v->counter)
+ : [ret] "+r" (x0), [v] "+Q" (v->counter)
:
: __LL_SC_CLOBBERS, "cc", "memory");
diff --git a/arch/arm64/include/asm/bug.h b/arch/arm64/include/asm/bug.h
index 366448e..a02a571 100644
--- a/arch/arm64/include/asm/bug.h
+++ b/arch/arm64/include/asm/bug.h
@@ -36,7 +36,7 @@
#ifdef CONFIG_GENERIC_BUG
#define __BUG_ENTRY(flags) \
- ".pushsection __bug_table,\"a\"\n\t" \
+ ".pushsection __bug_table,\"aw\"\n\t" \
".align 2\n\t" \
"0: .long 1f - 0b\n\t" \
_BUGVERBOSE_LOCATION(__FILE__, __LINE__) \
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index acae781..3288c2b 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -114,10 +114,10 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
- * 64-bit, this is raised to 4GB to leave the entire 32-bit address
+ * 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
-#define ELF_ET_DYN_BASE 0x100000000UL
+#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3)
#ifndef __ASSEMBLY__
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index d686300..e923b58 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -326,12 +326,6 @@
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
-/* We do not have shadow page tables, hence the empty hooks */
-static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address)
-{
-}
-
struct kvm_vcpu *kvm_arm_get_running_vcpu(void);
struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void);
void kvm_arm_halt_guest(struct kvm *kvm);
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 32f827233..ef39dcb 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -64,8 +64,10 @@
* TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area.
*/
#define VA_BITS (CONFIG_ARM64_VA_BITS)
-#define VA_START (UL(0xffffffffffffffff) << VA_BITS)
-#define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS - 1))
+#define VA_START (UL(0xffffffffffffffff) - \
+ (UL(1) << VA_BITS) + 1)
+#define PAGE_OFFSET (UL(0xffffffffffffffff) - \
+ (UL(1) << (VA_BITS - 1)) + 1)
#define KIMAGE_VADDR (MODULES_END)
#define MODULES_END (MODULES_VADDR + MODULES_VSIZE)
#define MODULES_VADDR (VA_START + KASAN_SHADOW_SIZE)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 16e44fa..248339e 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -492,7 +492,7 @@
* the "%x0" template means XZR.
*/
#define write_sysreg(v, r) do { \
- u64 __val = (u64)v; \
+ u64 __val = (u64)(v); \
asm volatile("msr " __stringify(r) ", %x0" \
: : "rZ" (__val)); \
} while (0)
@@ -508,7 +508,7 @@
})
#define write_sysreg_s(v, r) do { \
- u64 __val = (u64)v; \
+ u64 __val = (u64)(v); \
asm volatile("msr_s " __stringify(r) ", %x0" : : "rZ" (__val)); \
} while (0)
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 8f0a1de..fab46a0 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -69,7 +69,7 @@
*/
#define __range_ok(addr, size) \
({ \
- unsigned long __addr = (unsigned long __force)(addr); \
+ unsigned long __addr = (unsigned long)(addr); \
unsigned long flag, roksum; \
__chk_user_ptr(addr); \
asm("adds %1, %1, %3; ccmp %1, %4, #2, cc; cset %0, ls" \
diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c
index e137cea..d169782 100644
--- a/arch/arm64/kernel/cpu_ops.c
+++ b/arch/arm64/kernel/cpu_ops.c
@@ -82,8 +82,8 @@
* Don't warn spuriously.
*/
if (cpu != 0)
- pr_err("%s: missing enable-method property\n",
- dn->full_name);
+ pr_err("%pOF: missing enable-method property\n",
+ dn);
}
} else {
enable_method = acpi_get_enable_method(cpu);
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 06da8ea..c7b4995 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -161,9 +161,11 @@
{
if (!system_supports_fpsimd())
return;
+ preempt_disable();
memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
fpsimd_flush_task_state(current);
set_thread_flag(TIF_FOREIGN_FPSTATE);
+ preempt_enable();
}
/*
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 973df7d..adb0910 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -354,7 +354,6 @@
tst x23, ~(MIN_KIMG_ALIGN - 1) // already running randomized?
b.ne 0f
mov x0, x21 // pass FDT address in x0
- mov x1, x23 // pass modulo offset in x1
bl kaslr_early_init // parse FDT for KASLR options
cbz x0, 0f // KASLR disabled? just proceed
orr x23, x23, x0 // record KASLR offset
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index a9710ef..47080c4 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -75,7 +75,7 @@
* containing function pointers) to be reinitialized, and zero-initialized
* .bss variables will be reset to 0.
*/
-u64 __init kaslr_early_init(u64 dt_phys, u64 modulo_offset)
+u64 __init kaslr_early_init(u64 dt_phys)
{
void *fdt;
u64 seed, offset, mask, module_range;
@@ -131,15 +131,17 @@
/*
* The kernel Image should not extend across a 1GB/32MB/512MB alignment
* boundary (for 4KB/16KB/64KB granule kernels, respectively). If this
- * happens, increase the KASLR offset by the size of the kernel image
- * rounded up by SWAPPER_BLOCK_SIZE.
+ * happens, round down the KASLR offset by (1 << SWAPPER_TABLE_SHIFT).
+ *
+ * NOTE: The references to _text and _end below will already take the
+ * modulo offset (the physical displacement modulo 2 MB) into
+ * account, given that the physical placement is controlled by
+ * the loader, and will not change as a result of the virtual
+ * mapping we choose.
*/
- if ((((u64)_text + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT) !=
- (((u64)_end + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT)) {
- u64 kimg_sz = _end - _text;
- offset = (offset + round_up(kimg_sz, SWAPPER_BLOCK_SIZE))
- & mask;
- }
+ if ((((u64)_text + offset) >> SWAPPER_TABLE_SHIFT) !=
+ (((u64)_end + offset) >> SWAPPER_TABLE_SHIFT))
+ offset = round_down(offset, 1 << SWAPPER_TABLE_SHIFT);
if (IS_ENABLED(CONFIG_KASAN))
/*
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 3211198..dc66e6e 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -469,7 +469,7 @@
*/
cell = of_get_property(dn, "reg", NULL);
if (!cell) {
- pr_err("%s: missing reg property\n", dn->full_name);
+ pr_err("%pOF: missing reg property\n", dn);
return INVALID_HWID;
}
@@ -478,7 +478,7 @@
* Non affinity bits must be set to 0 in the DT
*/
if (hwid & ~MPIDR_HWID_BITMASK) {
- pr_err("%s: invalid reg property\n", dn->full_name);
+ pr_err("%pOF: invalid reg property\n", dn);
return INVALID_HWID;
}
return hwid;
@@ -627,8 +627,8 @@
goto next;
if (is_mpidr_duplicate(cpu_count, hwid)) {
- pr_err("%s: duplicate cpu reg properties in the DT\n",
- dn->full_name);
+ pr_err("%pOF: duplicate cpu reg properties in the DT\n",
+ dn);
goto next;
}
@@ -640,8 +640,8 @@
*/
if (hwid == cpu_logical_map(0)) {
if (bootcpu_valid) {
- pr_err("%s: duplicate boot cpu reg property in DT\n",
- dn->full_name);
+ pr_err("%pOF: duplicate boot cpu reg property in DT\n",
+ dn);
goto next;
}
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index 79244c7..8d48b23 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -45,7 +45,7 @@
}
}
- pr_crit("Unable to find CPU node for %s\n", cpu_node->full_name);
+ pr_crit("Unable to find CPU node for %pOF\n", cpu_node);
of_node_put(cpu_node);
return -1;
@@ -71,8 +71,8 @@
cpu_topology[cpu].core_id = core_id;
cpu_topology[cpu].thread_id = i;
} else {
- pr_err("%s: Can't get CPU for thread\n",
- t->full_name);
+ pr_err("%pOF: Can't get CPU for thread\n",
+ t);
of_node_put(t);
return -EINVAL;
}
@@ -84,15 +84,15 @@
cpu = get_cpu_for_node(core);
if (cpu >= 0) {
if (!leaf) {
- pr_err("%s: Core has both threads and CPU\n",
- core->full_name);
+ pr_err("%pOF: Core has both threads and CPU\n",
+ core);
return -EINVAL;
}
cpu_topology[cpu].cluster_id = cluster_id;
cpu_topology[cpu].core_id = core_id;
} else if (leaf) {
- pr_err("%s: Can't get CPU for leaf core\n", core->full_name);
+ pr_err("%pOF: Can't get CPU for leaf core\n", core);
return -EINVAL;
}
@@ -137,8 +137,8 @@
has_cores = true;
if (depth == 0) {
- pr_err("%s: cpu-map children should be clusters\n",
- c->full_name);
+ pr_err("%pOF: cpu-map children should be clusters\n",
+ c);
of_node_put(c);
return -EINVAL;
}
@@ -146,8 +146,8 @@
if (leaf) {
ret = parse_core(c, cluster_id, core_id++);
} else {
- pr_err("%s: Non-leaf cluster with core %s\n",
- cluster->full_name, name);
+ pr_err("%pOF: Non-leaf cluster with core %s\n",
+ cluster, name);
ret = -EINVAL;
}
@@ -159,7 +159,7 @@
} while (c);
if (leaf && !has_cores)
- pr_warn("%s: empty cluster\n", cluster->full_name);
+ pr_warn("%pOF: empty cluster\n", cluster);
if (leaf)
cluster_id++;
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index c7c7088..8a62648 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -274,10 +274,12 @@
void die(const char *str, struct pt_regs *regs, int err)
{
int ret;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&die_lock, flags);
oops_enter();
- raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
ret = __die(str, err, regs);
@@ -287,13 +289,15 @@
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
- raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
+
+ raw_spin_unlock_irqrestore(&die_lock, flags);
+
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
}
@@ -519,7 +523,7 @@
{
int rt = (esr & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT;
- pt_regs_write_reg(regs, rt, read_sysreg(cntfrq_el0));
+ pt_regs_write_reg(regs, rt, arch_timer_get_rate());
regs->pc += 4;
}
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 7786288..2e070d3 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -764,7 +764,7 @@
if (p->is_write) {
if (r->CRm & 0x2)
/* accessing PMOVSSET_EL0 */
- kvm_pmu_overflow_set(vcpu, p->regval & mask);
+ vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= (p->regval & mask);
else
/* accessing PMOVSCLR_EL0 */
vcpu_sys_reg(vcpu, PMOVSSET_EL0) &= ~(p->regval & mask);
diff --git a/arch/arm64/lib/copy_page.S b/arch/arm64/lib/copy_page.S
index c3cd65e..076c437 100644
--- a/arch/arm64/lib/copy_page.S
+++ b/arch/arm64/lib/copy_page.S
@@ -30,9 +30,10 @@
*/
ENTRY(copy_page)
alternative_if ARM64_HAS_NO_HW_PREFETCH
- # Prefetch two cache lines ahead.
- prfm pldl1strm, [x1, #128]
- prfm pldl1strm, [x1, #256]
+ // Prefetch three cache lines ahead.
+ prfm pldl1strm, [x1, #128]
+ prfm pldl1strm, [x1, #256]
+ prfm pldl1strm, [x1, #384]
alternative_else_nop_endif
ldp x2, x3, [x1]
@@ -50,7 +51,7 @@
subs x18, x18, #128
alternative_if ARM64_HAS_NO_HW_PREFETCH
- prfm pldl1strm, [x1, #384]
+ prfm pldl1strm, [x1, #384]
alternative_else_nop_endif
stnp x2, x3, [x0]
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index e90cd1d..f27d4dd 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -329,7 +329,7 @@
vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot,
is_device_dma_coherent(dev));
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
return __swiotlb_mmap_pfn(vma, pfn, size);
@@ -706,7 +706,7 @@
vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot,
is_device_dma_coherent(dev));
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) {
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index c7861c9..1f22a41 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -163,26 +163,27 @@
/* only preserve the access flags and write permission */
pte_val(entry) &= PTE_AF | PTE_WRITE | PTE_DIRTY;
- /*
- * PTE_RDONLY is cleared by default in the asm below, so set it in
- * back if necessary (read-only or clean PTE).
- */
+ /* set PTE_RDONLY if actual read-only or clean PTE */
if (!pte_write(entry) || !pte_sw_dirty(entry))
pte_val(entry) |= PTE_RDONLY;
/*
* Setting the flags must be done atomically to avoid racing with the
- * hardware update of the access/dirty state.
+ * hardware update of the access/dirty state. The PTE_RDONLY bit must
+ * be set to the most permissive (lowest value) of *ptep and entry
+ * (calculated as: a & b == ~(~a | ~b)).
*/
+ pte_val(entry) ^= PTE_RDONLY;
asm volatile("// ptep_set_access_flags\n"
" prfm pstl1strm, %2\n"
"1: ldxr %0, %2\n"
- " and %0, %0, %3 // clear PTE_RDONLY\n"
+ " eor %0, %0, %3 // negate PTE_RDONLY in *ptep\n"
" orr %0, %0, %4 // set flags\n"
+ " eor %0, %0, %3 // negate final PTE_RDONLY\n"
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (old_pteval), "=&r" (tmp), "+Q" (pte_val(*ptep))
- : "L" (~PTE_RDONLY), "r" (pte_val(entry)));
+ : "L" (PTE_RDONLY), "r" (pte_val(entry)));
flush_tlb_fix_spurious_fault(vma, address);
return 1;
@@ -434,8 +435,11 @@
* the mmap_sem because it would already be released
* in __lock_page_or_retry in mm/filemap.c.
*/
- if (fatal_signal_pending(current))
+ if (fatal_signal_pending(current)) {
+ if (!user_mode(regs))
+ goto no_context;
return 0;
+ }
/*
* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk of
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 23c2d89..f1eb15e 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -496,7 +496,7 @@
static void __init map_kernel_segment(pgd_t *pgd, void *va_start, void *va_end,
pgprot_t prot, struct vm_struct *vma,
- int flags)
+ int flags, unsigned long vm_flags)
{
phys_addr_t pa_start = __pa_symbol(va_start);
unsigned long size = va_end - va_start;
@@ -507,10 +507,13 @@
__create_pgd_mapping(pgd, pa_start, (unsigned long)va_start, size, prot,
early_pgtable_alloc, flags);
+ if (!(vm_flags & VM_NO_GUARD))
+ size += PAGE_SIZE;
+
vma->addr = va_start;
vma->phys_addr = pa_start;
vma->size = size;
- vma->flags = VM_MAP;
+ vma->flags = VM_MAP | vm_flags;
vma->caller = __builtin_return_address(0);
vm_area_add_early(vma);
@@ -541,14 +544,15 @@
* Only rodata will be remapped with different permissions later on,
* all other segments are allowed to use contiguous mappings.
*/
- map_kernel_segment(pgd, _text, _etext, text_prot, &vmlinux_text, 0);
+ map_kernel_segment(pgd, _text, _etext, text_prot, &vmlinux_text, 0,
+ VM_NO_GUARD);
map_kernel_segment(pgd, __start_rodata, __inittext_begin, PAGE_KERNEL,
- &vmlinux_rodata, NO_CONT_MAPPINGS);
+ &vmlinux_rodata, NO_CONT_MAPPINGS, VM_NO_GUARD);
map_kernel_segment(pgd, __inittext_begin, __inittext_end, text_prot,
- &vmlinux_inittext, 0);
+ &vmlinux_inittext, 0, VM_NO_GUARD);
map_kernel_segment(pgd, __initdata_begin, __initdata_end, PAGE_KERNEL,
- &vmlinux_initdata, 0);
- map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data, 0);
+ &vmlinux_initdata, 0, VM_NO_GUARD);
+ map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data, 0, 0);
if (!pgd_val(*pgd_offset_raw(pgd, FIXADDR_START))) {
/*
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index b388a99..dad128b 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -208,8 +208,6 @@
}
node_set(nid, numa_nodes_parsed);
- pr_info("Adding memblock [0x%llx - 0x%llx] on node %d\n",
- start, (end - 1), nid);
return ret;
}
@@ -223,10 +221,7 @@
void *nd;
int tnid;
- if (start_pfn < end_pfn)
- pr_info("Initmem setup node %d [mem %#010Lx-%#010Lx]\n", nid,
- start_pfn << PAGE_SHIFT, (end_pfn << PAGE_SHIFT) - 1);
- else
+ if (start_pfn >= end_pfn)
pr_info("Initmem setup node %d [<memory-less node>]\n", nid);
nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h
index 8d9b1eb..76b2e82 100644
--- a/arch/blackfin/include/asm/bug.h
+++ b/arch/blackfin/include/asm/bug.h
@@ -21,7 +21,7 @@
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
- " .section __bug_table,\"a\",@progbits\n" \
+ " .section __bug_table,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .long %1\n" \
" .short %2\n" \
@@ -38,7 +38,7 @@
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
- " .section __bug_table,\"a\",@progbits\n" \
+ " .section __bug_table,\"aw\",@progbits\n" \
"2: .long 1b\n" \
" .short %1\n" \
" .org 2b + %2\n" \
diff --git a/arch/blackfin/include/asm/flat.h b/arch/blackfin/include/asm/flat.h
index 296d7f5..f1d6ba7 100644
--- a/arch/blackfin/include/asm/flat.h
+++ b/arch/blackfin/include/asm/flat.h
@@ -44,8 +44,7 @@
return relval & 0x03ffffff; /* Mask out top 6 bits */
}
-static inline int flat_set_persistent(unsigned long relval,
- unsigned long *persistent)
+static inline int flat_set_persistent(u32 relval, u32 *persistent)
{
int type = (relval >> 26) & 7;
if (type == 3) {
diff --git a/arch/blackfin/kernel/flat.c b/arch/blackfin/kernel/flat.c
index d29ab6a..8ebc54d 100644
--- a/arch/blackfin/kernel/flat.c
+++ b/arch/blackfin/kernel/flat.c
@@ -32,7 +32,7 @@
break;
case FLAT_BFIN_RELOC_TYPE_32_BIT:
- pr_debug("*ptr = %lx", get_unaligned(ptr));
+ pr_debug("*ptr = %x", get_unaligned(ptr));
val = get_unaligned(ptr);
break;
@@ -77,7 +77,7 @@
case FLAT_BFIN_RELOC_TYPE_32_BIT:
put_unaligned(addr, ptr);
- pr_debug("new ptr =%lx", get_unaligned(ptr));
+ pr_debug("new ptr =%x", get_unaligned(ptr));
break;
}
}
diff --git a/arch/c6x/configs/dsk6455_defconfig b/arch/c6x/configs/dsk6455_defconfig
index 4663487..d764ea4 100644
--- a/arch/c6x/configs/dsk6455_defconfig
+++ b/arch/c6x/configs/dsk6455_defconfig
@@ -1,5 +1,4 @@
CONFIG_SOC_TMS320C6455=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_SPARSE_IRQ=y
@@ -25,7 +24,6 @@
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=17000
-CONFIG_MISC_DEVICES=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
diff --git a/arch/c6x/configs/evmc6457_defconfig b/arch/c6x/configs/evmc6457_defconfig
index bba40e1..05d0b4a 100644
--- a/arch/c6x/configs/evmc6457_defconfig
+++ b/arch/c6x/configs/evmc6457_defconfig
@@ -1,5 +1,4 @@
CONFIG_SOC_TMS320C6457=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_SPARSE_IRQ=y
@@ -26,7 +25,6 @@
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=17000
-CONFIG_MISC_DEVICES=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
diff --git a/arch/c6x/configs/evmc6472_defconfig b/arch/c6x/configs/evmc6472_defconfig
index 8c46155..8d81fcf 100644
--- a/arch/c6x/configs/evmc6472_defconfig
+++ b/arch/c6x/configs/evmc6472_defconfig
@@ -1,5 +1,4 @@
CONFIG_SOC_TMS320C6472=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_SPARSE_IRQ=y
@@ -27,7 +26,6 @@
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=17000
-CONFIG_MISC_DEVICES=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
diff --git a/arch/c6x/configs/evmc6474_defconfig b/arch/c6x/configs/evmc6474_defconfig
index 15533f6..8156a98 100644
--- a/arch/c6x/configs/evmc6474_defconfig
+++ b/arch/c6x/configs/evmc6474_defconfig
@@ -1,5 +1,4 @@
CONFIG_SOC_TMS320C6474=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_SPARSE_IRQ=y
@@ -27,7 +26,6 @@
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=17000
-CONFIG_MISC_DEVICES=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
diff --git a/arch/c6x/configs/evmc6678_defconfig b/arch/c6x/configs/evmc6678_defconfig
index 5f126d4..c4f433c 100644
--- a/arch/c6x/configs/evmc6678_defconfig
+++ b/arch/c6x/configs/evmc6678_defconfig
@@ -1,5 +1,4 @@
CONFIG_SOC_TMS320C6678=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_SPARSE_IRQ=y
@@ -27,7 +26,6 @@
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=17000
-CONFIG_MISC_DEVICES=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
diff --git a/arch/c6x/platforms/megamod-pic.c b/arch/c6x/platforms/megamod-pic.c
index 43afc03..9519fa5 100644
--- a/arch/c6x/platforms/megamod-pic.c
+++ b/arch/c6x/platforms/megamod-pic.c
@@ -208,14 +208,14 @@
pic = kzalloc(sizeof(struct megamod_pic), GFP_KERNEL);
if (!pic) {
- pr_err("%s: Could not alloc PIC structure.\n", np->full_name);
+ pr_err("%pOF: Could not alloc PIC structure.\n", np);
return NULL;
}
pic->irqhost = irq_domain_add_linear(np, NR_COMBINERS * 32,
&megamod_domain_ops, pic);
if (!pic->irqhost) {
- pr_err("%s: Could not alloc host.\n", np->full_name);
+ pr_err("%pOF: Could not alloc host.\n", np);
goto error_free;
}
@@ -225,7 +225,7 @@
pic->regs = of_iomap(np, 0);
if (!pic->regs) {
- pr_err("%s: Could not map registers.\n", np->full_name);
+ pr_err("%pOF: Could not map registers.\n", np);
goto error_free;
}
@@ -253,8 +253,8 @@
irq_data = irq_get_irq_data(irq);
if (!irq_data) {
- pr_err("%s: combiner-%d no irq_data for virq %d!\n",
- np->full_name, i, irq);
+ pr_err("%pOF: combiner-%d no irq_data for virq %d!\n",
+ np, i, irq);
continue;
}
@@ -265,16 +265,16 @@
* of the core priority interrupts (4 - 15).
*/
if (hwirq < 4 || hwirq >= NR_PRIORITY_IRQS) {
- pr_err("%s: combiner-%d core irq %ld out of range!\n",
- np->full_name, i, hwirq);
+ pr_err("%pOF: combiner-%d core irq %ld out of range!\n",
+ np, i, hwirq);
continue;
}
/* record the mapping */
mapping[hwirq - 4] = i;
- pr_debug("%s: combiner-%d cascading to hwirq %ld\n",
- np->full_name, i, hwirq);
+ pr_debug("%pOF: combiner-%d cascading to hwirq %ld\n",
+ np, i, hwirq);
cascade_data[i].pic = pic;
cascade_data[i].index = i;
@@ -290,8 +290,8 @@
/* Finally, set up the MUX registers */
for (i = 0; i < NR_MUX_OUTPUTS; i++) {
if (mapping[i] != IRQ_UNMAPPED) {
- pr_debug("%s: setting mux %d to priority %d\n",
- np->full_name, mapping[i], i + 4);
+ pr_debug("%pOF: setting mux %d to priority %d\n",
+ np, mapping[i], i + 4);
set_megamod_mux(pic, mapping[i], i);
}
}
diff --git a/arch/c6x/platforms/plldata.c b/arch/c6x/platforms/plldata.c
index 755359e..e8b6cc6 100644
--- a/arch/c6x/platforms/plldata.c
+++ b/arch/c6x/platforms/plldata.c
@@ -436,8 +436,8 @@
err = of_property_read_u32(node, "clock-frequency", &val);
if (err || val == 0) {
- pr_err("%s: no clock-frequency found! Using %dMHz\n",
- node->full_name, (int)val / 1000000);
+ pr_err("%pOF: no clock-frequency found! Using %dMHz\n",
+ node, (int)val / 1000000);
val = 25000000;
}
clkin1.rate = val;
diff --git a/arch/c6x/platforms/timer64.c b/arch/c6x/platforms/timer64.c
index 0bd0452..241a9a6 100644
--- a/arch/c6x/platforms/timer64.c
+++ b/arch/c6x/platforms/timer64.c
@@ -204,14 +204,14 @@
timer = of_iomap(np, 0);
if (!timer) {
- pr_debug("%s: Cannot map timer registers.\n", np->full_name);
+ pr_debug("%pOF: Cannot map timer registers.\n", np);
goto out;
}
- pr_debug("%s: Timer registers=%p.\n", np->full_name, timer);
+ pr_debug("%pOF: Timer registers=%p.\n", np, timer);
cd->irq = irq_of_parse_and_map(np, 0);
if (cd->irq == NO_IRQ) {
- pr_debug("%s: Cannot find interrupt.\n", np->full_name);
+ pr_debug("%pOF: Cannot find interrupt.\n", np);
iounmap(timer);
goto out;
}
@@ -229,7 +229,7 @@
dscr_set_devstate(timer64_devstate_id, DSCR_DEVSTATE_ENABLED);
}
- pr_debug("%s: Timer irq=%d.\n", np->full_name, cd->irq);
+ pr_debug("%pOF: Timer irq=%d.\n", np, cd->irq);
clockevents_calc_mult_shift(cd, c6x_core_freq / TIMER_DIVISOR, 5);
diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h
index 18d0242..7e0bd6f 100644
--- a/arch/h8300/include/asm/flat.h
+++ b/arch/h8300/include/asm/flat.h
@@ -24,7 +24,7 @@
u32 *addr, u32 *persistent)
{
u32 val = get_unaligned((__force u32 *)rp);
- if (!(flags & FLAT_FLAG_GOTPIC)
+ if (!(flags & FLAT_FLAG_GOTPIC))
val &= 0x00ffffff;
*addr = val;
return 0;
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index fced197..cbe5ac3 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -168,7 +168,8 @@
static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
+arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->max = ARRAY_SIZE(tlb->local);
@@ -185,8 +186,11 @@
* collected.
*/
static inline void
-tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
+ if (force)
+ tlb->need_flush = 1;
/*
* Note: tlb->nr may be 0 at this point, so we can't rely on tlb->start_addr and
* tlb->end_addr.
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index 48b6279..b2a41f5 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -30,8 +30,7 @@
}
#define flat_get_relocate_addr(rel) (rel)
-static inline int flat_set_persistent(unsigned long relval,
- unsigned long *persistent)
+static inline int flat_set_persistent(u32 relval, u32 *persistent)
{
return 0;
}
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8dd2035..48d91d5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2260,7 +2260,7 @@
config MIPS_MT_SMP
bool "MIPS MT SMP support (1 TC on each available VPE)"
- depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
+ depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select SYNC_R4K
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 0434362..bc2708c 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -243,8 +243,21 @@
ifdef CONFIG_PHYSICAL_START
load-y = $(CONFIG_PHYSICAL_START)
endif
-entry-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
+
+entry-noisa-y = 0x$(shell $(NM) vmlinux 2>/dev/null \
| grep "\bkernel_entry\b" | cut -f1 -d \ )
+ifdef CONFIG_CPU_MICROMIPS
+ #
+ # Set the ISA bit, since the kernel_entry symbol in the ELF will have it
+ # clear which would lead to images containing addresses which bootloaders may
+ # jump to as MIPS32 code.
+ #
+ entry-y = $(patsubst %0,%1,$(patsubst %2,%3,$(patsubst %4,%5, \
+ $(patsubst %6,%7,$(patsubst %8,%9,$(patsubst %a,%b, \
+ $(patsubst %c,%d,$(patsubst %e,%f,$(entry-noisa-y)))))))))
+else
+ entry-y = $(entry-noisa-y)
+endif
cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
drivers-$(CONFIG_PCI) += arch/mips/pci/
diff --git a/arch/mips/boot/compressed/.gitignore b/arch/mips/boot/compressed/.gitignore
new file mode 100644
index 0000000..ebae133
--- /dev/null
+++ b/arch/mips/boot/compressed/.gitignore
@@ -0,0 +1,2 @@
+ashldi3.c
+bswapsi.c
diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index 542be1c..bfdfaf3 100644
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -13,9 +13,9 @@
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/of_platform.h>
+#include <linux/io.h>
#include <asm/octeon/octeon.h>
-#include <asm/octeon/cvmx-gpio-defs.h>
/* USB Control Register */
union cvm_usbdrd_uctl_ctl {
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index 1910223..cea2bb1 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -147,23 +147,12 @@
* Find irq with highest priority
*/
# open coded PTR_LA t1, cpu_mask_nr_tbl
-#if (_MIPS_SZPTR == 32)
+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
# open coded la t1, cpu_mask_nr_tbl
lui t1, %hi(cpu_mask_nr_tbl)
addiu t1, %lo(cpu_mask_nr_tbl)
-
-#endif
-#if (_MIPS_SZPTR == 64)
- # open coded dla t1, cpu_mask_nr_tbl
- .set push
- .set noat
- lui t1, %highest(cpu_mask_nr_tbl)
- lui AT, %hi(cpu_mask_nr_tbl)
- daddiu t1, t1, %higher(cpu_mask_nr_tbl)
- daddiu AT, AT, %lo(cpu_mask_nr_tbl)
- dsll t1, 32
- daddu t1, t1, AT
- .set pop
+#else
+#error GCC `-msym32' option required for 64-bit DECstation builds
#endif
1: lw t2,(t1)
nop
@@ -214,23 +203,12 @@
* Find irq with highest priority
*/
# open coded PTR_LA t1,asic_mask_nr_tbl
-#if (_MIPS_SZPTR == 32)
+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
# open coded la t1, asic_mask_nr_tbl
lui t1, %hi(asic_mask_nr_tbl)
addiu t1, %lo(asic_mask_nr_tbl)
-
-#endif
-#if (_MIPS_SZPTR == 64)
- # open coded dla t1, asic_mask_nr_tbl
- .set push
- .set noat
- lui t1, %highest(asic_mask_nr_tbl)
- lui AT, %hi(asic_mask_nr_tbl)
- daddiu t1, t1, %higher(asic_mask_nr_tbl)
- daddiu AT, AT, %lo(asic_mask_nr_tbl)
- dsll t1, 32
- daddu t1, t1, AT
- .set pop
+#else
+#error GCC `-msym32' option required for 64-bit DECstation builds
#endif
2: lw t2,(t1)
nop
diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h
index fc67947..8b14c27 100644
--- a/arch/mips/include/asm/cache.h
+++ b/arch/mips/include/asm/cache.h
@@ -9,6 +9,8 @@
#ifndef _ASM_CACHE_H
#define _ASM_CACHE_H
+#include <kmalloc.h>
+
#define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 8baa903..721b698 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -428,6 +428,9 @@
#ifndef cpu_scache_line_size
#define cpu_scache_line_size() cpu_data[0].scache.linesz
#endif
+#ifndef cpu_tcache_line_size
+#define cpu_tcache_line_size() cpu_data[0].tcache.linesz
+#endif
#ifndef cpu_hwrena_impl_bits
#define cpu_hwrena_impl_bits 0
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 2998479..a9af1d2 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -938,11 +938,6 @@
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
-static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address)
-{
-}
-
/* Emulation */
int kvm_get_inst(u32 *opc, struct kvm_vcpu *vcpu, u32 *out);
enum emulation_result update_pc(struct kvm_vcpu *vcpu, u32 cause);
diff --git a/arch/mips/include/asm/mach-ralink/ralink_regs.h b/arch/mips/include/asm/mach-ralink/ralink_regs.h
index 9df1a53..b4e7dfa 100644
--- a/arch/mips/include/asm/mach-ralink/ralink_regs.h
+++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h
@@ -13,6 +13,8 @@
#ifndef _RALINK_REGS_H_
#define _RALINK_REGS_H_
+#include <linux/io.h>
+
enum ralink_soc_type {
RALINK_UNKNOWN = 0,
RT2880_SOC,
diff --git a/arch/mips/include/asm/octeon/cvmx-l2c-defs.h b/arch/mips/include/asm/octeon/cvmx-l2c-defs.h
index d045973..3ea84ac 100644
--- a/arch/mips/include/asm/octeon/cvmx-l2c-defs.h
+++ b/arch/mips/include/asm/octeon/cvmx-l2c-defs.h
@@ -33,6 +33,10 @@
#define CVMX_L2C_DBG (CVMX_ADD_IO_SEG(0x0001180080000030ull))
#define CVMX_L2C_CFG (CVMX_ADD_IO_SEG(0x0001180080000000ull))
#define CVMX_L2C_CTL (CVMX_ADD_IO_SEG(0x0001180080800000ull))
+#define CVMX_L2C_ERR_TDTX(block_id) \
+ (CVMX_ADD_IO_SEG(0x0001180080A007E0ull) + ((block_id) & 3) * 0x40000ull)
+#define CVMX_L2C_ERR_TTGX(block_id) \
+ (CVMX_ADD_IO_SEG(0x0001180080A007E8ull) + ((block_id) & 3) * 0x40000ull)
#define CVMX_L2C_LCKBASE (CVMX_ADD_IO_SEG(0x0001180080000058ull))
#define CVMX_L2C_LCKOFF (CVMX_ADD_IO_SEG(0x0001180080000060ull))
#define CVMX_L2C_PFCTL (CVMX_ADD_IO_SEG(0x0001180080000090ull))
@@ -66,9 +70,40 @@
((offset) & 1) * 8)
#define CVMX_L2C_WPAR_PPX(offset) (CVMX_ADD_IO_SEG(0x0001180080840000ull) + \
((offset) & 31) * 8)
-#define CVMX_L2D_FUS3 (CVMX_ADD_IO_SEG(0x00011800800007B8ull))
+union cvmx_l2c_err_tdtx {
+ uint64_t u64;
+ struct cvmx_l2c_err_tdtx_s {
+ __BITFIELD_FIELD(uint64_t dbe:1,
+ __BITFIELD_FIELD(uint64_t sbe:1,
+ __BITFIELD_FIELD(uint64_t vdbe:1,
+ __BITFIELD_FIELD(uint64_t vsbe:1,
+ __BITFIELD_FIELD(uint64_t syn:10,
+ __BITFIELD_FIELD(uint64_t reserved_22_49:28,
+ __BITFIELD_FIELD(uint64_t wayidx:18,
+ __BITFIELD_FIELD(uint64_t reserved_2_3:2,
+ __BITFIELD_FIELD(uint64_t type:2,
+ ;)))))))))
+ } s;
+};
+
+union cvmx_l2c_err_ttgx {
+ uint64_t u64;
+ struct cvmx_l2c_err_ttgx_s {
+ __BITFIELD_FIELD(uint64_t dbe:1,
+ __BITFIELD_FIELD(uint64_t sbe:1,
+ __BITFIELD_FIELD(uint64_t noway:1,
+ __BITFIELD_FIELD(uint64_t reserved_56_60:5,
+ __BITFIELD_FIELD(uint64_t syn:6,
+ __BITFIELD_FIELD(uint64_t reserved_22_49:28,
+ __BITFIELD_FIELD(uint64_t wayidx:15,
+ __BITFIELD_FIELD(uint64_t reserved_2_6:5,
+ __BITFIELD_FIELD(uint64_t type:2,
+ ;)))))))))
+ } s;
+};
+
union cvmx_l2c_cfg {
uint64_t u64;
struct cvmx_l2c_cfg_s {
diff --git a/arch/mips/include/asm/octeon/cvmx-l2d-defs.h b/arch/mips/include/asm/octeon/cvmx-l2d-defs.h
new file mode 100644
index 0000000..a951ad5
--- /dev/null
+++ b/arch/mips/include/asm/octeon/cvmx-l2d-defs.h
@@ -0,0 +1,60 @@
+/***********************license start***************
+ * Author: Cavium Networks
+ *
+ * Contact: support@caviumnetworks.com
+ * This file is part of the OCTEON SDK
+ *
+ * Copyright (c) 2003-2017 Cavium, Inc.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * or visit http://www.gnu.org/licenses/.
+ *
+ * This file may also be available under a different license from Cavium.
+ * Contact Cavium Networks for more information
+ ***********************license end**************************************/
+
+#ifndef __CVMX_L2D_DEFS_H__
+#define __CVMX_L2D_DEFS_H__
+
+#define CVMX_L2D_ERR (CVMX_ADD_IO_SEG(0x0001180080000010ull))
+#define CVMX_L2D_FUS3 (CVMX_ADD_IO_SEG(0x00011800800007B8ull))
+
+
+union cvmx_l2d_err {
+ uint64_t u64;
+ struct cvmx_l2d_err_s {
+ __BITFIELD_FIELD(uint64_t reserved_6_63:58,
+ __BITFIELD_FIELD(uint64_t bmhclsel:1,
+ __BITFIELD_FIELD(uint64_t ded_err:1,
+ __BITFIELD_FIELD(uint64_t sec_err:1,
+ __BITFIELD_FIELD(uint64_t ded_intena:1,
+ __BITFIELD_FIELD(uint64_t sec_intena:1,
+ __BITFIELD_FIELD(uint64_t ecc_ena:1,
+ ;)))))))
+ } s;
+};
+
+union cvmx_l2d_fus3 {
+ uint64_t u64;
+ struct cvmx_l2d_fus3_s {
+ __BITFIELD_FIELD(uint64_t reserved_40_63:24,
+ __BITFIELD_FIELD(uint64_t ema_ctl:3,
+ __BITFIELD_FIELD(uint64_t reserved_34_36:3,
+ __BITFIELD_FIELD(uint64_t q3fus:34,
+ ;))))
+ } s;
+};
+
+#endif
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 9742202..e638735 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -62,6 +62,7 @@
#include <asm/octeon/cvmx-iob-defs.h>
#include <asm/octeon/cvmx-ipd-defs.h>
#include <asm/octeon/cvmx-l2c-defs.h>
+#include <asm/octeon/cvmx-l2d-defs.h>
#include <asm/octeon/cvmx-l2t-defs.h>
#include <asm/octeon/cvmx-led-defs.h>
#include <asm/octeon/cvmx-mio-defs.h>
diff --git a/arch/mips/include/uapi/asm/ioctls.h b/arch/mips/include/uapi/asm/ioctls.h
index 68e19b6..1609cb0 100644
--- a/arch/mips/include/uapi/asm/ioctls.h
+++ b/arch/mips/include/uapi/asm/ioctls.h
@@ -91,7 +91,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
/* I hope the range from 0x5480 on is free ... */
#define TIOCSCTTY 0x5480 /* become controlling tty */
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 6dd1364..1395654 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -872,15 +872,13 @@
if (unlikely(test_thread_flag(TIF_SECCOMP))) {
int ret, i;
struct seccomp_data sd;
+ unsigned long args[6];
sd.nr = syscall;
sd.arch = syscall_get_arch();
- for (i = 0; i < 6; i++) {
- unsigned long v, r;
-
- r = mips_get_syscall_arg(&v, current, regs, i);
- sd.args[i] = r ? 0 : v;
- }
+ syscall_get_arguments(current, regs, 0, 6, args);
+ for (i = 0; i < 6; i++)
+ sd.args[i] = args[i];
sd.instruction_pointer = KSTK_EIP(current);
ret = __secure_computing(&sd);
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 27c2f90..a9a7d78 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -190,12 +190,6 @@
sll t1, t0, 2
beqz v0, einval
lw t2, sys_call_table(t1) # syscall routine
- sw a0, PT_R2(sp) # call routine directly on restart
-
- /* Some syscalls like execve get their arguments from struct pt_regs
- and claim zero arguments in the syscall table. Thus we have to
- assume the worst case and shuffle around all potential arguments.
- If you want performance, don't use indirect syscalls. */
move a0, a1 # shift argument registers
move a1, a2
@@ -207,11 +201,6 @@
sw t4, 16(sp)
sw t5, 20(sp)
sw t6, 24(sp)
- sw a0, PT_R4(sp) # .. and push back a0 - a3, some
- sw a1, PT_R5(sp) # syscalls expect them there
- sw a2, PT_R6(sp)
- sw a3, PT_R7(sp)
- sw a3, PT_R26(sp) # update a3 for syscall restarting
jr t2
/* Unreached */
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index c30bc52..9ebe3e2 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -198,7 +198,6 @@
dsll t1, t0, 3
beqz v0, einval
ld t2, sys32_call_table(t1) # syscall routine
- sd a0, PT_R2(sp) # call routine directly on restart
move a0, a1 # shift argument registers
move a1, a2
@@ -207,11 +206,6 @@
move a4, a5
move a5, a6
move a6, a7
- sd a0, PT_R4(sp) # ... and push back a0 - a3, some
- sd a1, PT_R5(sp) # syscalls expect them there
- sd a2, PT_R6(sp)
- sd a3, PT_R7(sp)
- sd a3, PT_R26(sp) # update a3 for syscall restarting
jr t2
/* Unreached */
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 770d4d1..6bace76 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -376,9 +376,6 @@
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
- complete(&cpu_running);
- synchronise_count_slave(cpu);
-
set_cpu_online(cpu, true);
set_cpu_sibling_map(cpu);
@@ -386,6 +383,9 @@
calculate_cpu_foreign_map();
+ complete(&cpu_running);
+ synchronise_count_slave(cpu);
+
/*
* irq will be enabled in ->smp_finish(), enabling it too early
* is dangerous.
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index e08598c..8e78251 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -232,7 +232,7 @@
else
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (off < count && user_count <= (count - off)) {
diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c
index 3f74f6c..9fea6c6 100644
--- a/arch/mips/mm/uasm-mips.c
+++ b/arch/mips/mm/uasm-mips.c
@@ -48,7 +48,7 @@
#include "uasm.c"
-static const struct insn const insn_table[insn_invalid] = {
+static const struct insn insn_table[insn_invalid] = {
[insn_addiu] = {M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM},
[insn_addu] = {M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD},
[insn_and] = {M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD},
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
new file mode 100644
index 0000000..3f87b96
--- /dev/null
+++ b/arch/mips/net/ebpf_jit.c
@@ -0,0 +1,1950 @@
+/*
+ * Just-In-Time compiler for eBPF filters on MIPS
+ *
+ * Copyright (c) 2017 Cavium, Inc.
+ *
+ * Based on code from:
+ *
+ * Copyright (c) 2014 Imagination Technologies Ltd.
+ * Author: Markos Chandras <markos.chandras@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/bitops.h>
+#include <linux/errno.h>
+#include <linux/filter.h>
+#include <linux/bpf.h>
+#include <linux/slab.h>
+#include <asm/bitops.h>
+#include <asm/byteorder.h>
+#include <asm/cacheflush.h>
+#include <asm/cpu-features.h>
+#include <asm/uasm.h>
+
+/* Registers used by JIT */
+#define MIPS_R_ZERO 0
+#define MIPS_R_AT 1
+#define MIPS_R_V0 2 /* BPF_R0 */
+#define MIPS_R_V1 3
+#define MIPS_R_A0 4 /* BPF_R1 */
+#define MIPS_R_A1 5 /* BPF_R2 */
+#define MIPS_R_A2 6 /* BPF_R3 */
+#define MIPS_R_A3 7 /* BPF_R4 */
+#define MIPS_R_A4 8 /* BPF_R5 */
+#define MIPS_R_T4 12 /* BPF_AX */
+#define MIPS_R_T5 13
+#define MIPS_R_T6 14
+#define MIPS_R_T7 15
+#define MIPS_R_S0 16 /* BPF_R6 */
+#define MIPS_R_S1 17 /* BPF_R7 */
+#define MIPS_R_S2 18 /* BPF_R8 */
+#define MIPS_R_S3 19 /* BPF_R9 */
+#define MIPS_R_S4 20 /* BPF_TCC */
+#define MIPS_R_S5 21
+#define MIPS_R_S6 22
+#define MIPS_R_S7 23
+#define MIPS_R_T8 24
+#define MIPS_R_T9 25
+#define MIPS_R_SP 29
+#define MIPS_R_RA 31
+
+/* eBPF flags */
+#define EBPF_SAVE_S0 BIT(0)
+#define EBPF_SAVE_S1 BIT(1)
+#define EBPF_SAVE_S2 BIT(2)
+#define EBPF_SAVE_S3 BIT(3)
+#define EBPF_SAVE_S4 BIT(4)
+#define EBPF_SAVE_RA BIT(5)
+#define EBPF_SEEN_FP BIT(6)
+#define EBPF_SEEN_TC BIT(7)
+#define EBPF_TCC_IN_V1 BIT(8)
+
+/*
+ * For the mips64 ISA, we need to track the value range or type for
+ * each JIT register. The BPF machine requires zero extended 32-bit
+ * values, but the mips64 ISA requires sign extended 32-bit values.
+ * At each point in the BPF program we track the state of every
+ * register so that we can zero extend or sign extend as the BPF
+ * semantics require.
+ */
+enum reg_val_type {
+ /* uninitialized */
+ REG_UNKNOWN,
+ /* not known to be 32-bit compatible. */
+ REG_64BIT,
+ /* 32-bit compatible, no truncation needed for 64-bit ops. */
+ REG_64BIT_32BIT,
+ /* 32-bit compatible, need truncation for 64-bit ops. */
+ REG_32BIT,
+ /* 32-bit zero extended. */
+ REG_32BIT_ZERO_EX,
+ /* 32-bit no sign/zero extension needed. */
+ REG_32BIT_POS
+};
+
+/*
+ * high bit of offsets indicates if long branch conversion done at
+ * this insn.
+ */
+#define OFFSETS_B_CONV BIT(31)
+
+/**
+ * struct jit_ctx - JIT context
+ * @skf: The sk_filter
+ * @stack_size: eBPF stack size
+ * @tmp_offset: eBPF $sp offset to 8-byte temporary memory
+ * @idx: Instruction index
+ * @flags: JIT flags
+ * @offsets: Instruction offsets
+ * @target: Memory location for the compiled filter
+ * @reg_val_types Packed enum reg_val_type for each register.
+ */
+struct jit_ctx {
+ const struct bpf_prog *skf;
+ int stack_size;
+ int tmp_offset;
+ u32 idx;
+ u32 flags;
+ u32 *offsets;
+ u32 *target;
+ u64 *reg_val_types;
+ unsigned int long_b_conversion:1;
+ unsigned int gen_b_offsets:1;
+};
+
+static void set_reg_val_type(u64 *rvt, int reg, enum reg_val_type type)
+{
+ *rvt &= ~(7ull << (reg * 3));
+ *rvt |= ((u64)type << (reg * 3));
+}
+
+static enum reg_val_type get_reg_val_type(const struct jit_ctx *ctx,
+ int index, int reg)
+{
+ return (ctx->reg_val_types[index] >> (reg * 3)) & 7;
+}
+
+/* Simply emit the instruction if the JIT memory space has been allocated */
+#define emit_instr(ctx, func, ...) \
+do { \
+ if ((ctx)->target != NULL) { \
+ u32 *p = &(ctx)->target[ctx->idx]; \
+ uasm_i_##func(&p, ##__VA_ARGS__); \
+ } \
+ (ctx)->idx++; \
+} while (0)
+
+static unsigned int j_target(struct jit_ctx *ctx, int target_idx)
+{
+ unsigned long target_va, base_va;
+ unsigned int r;
+
+ if (!ctx->target)
+ return 0;
+
+ base_va = (unsigned long)ctx->target;
+ target_va = base_va + (ctx->offsets[target_idx] & ~OFFSETS_B_CONV);
+
+ if ((base_va & ~0x0ffffffful) != (target_va & ~0x0ffffffful))
+ return (unsigned int)-1;
+ r = target_va & 0x0ffffffful;
+ return r;
+}
+
+/* Compute the immediate value for PC-relative branches. */
+static u32 b_imm(unsigned int tgt, struct jit_ctx *ctx)
+{
+ if (!ctx->gen_b_offsets)
+ return 0;
+
+ /*
+ * We want a pc-relative branch. tgt is the instruction offset
+ * we want to jump to.
+
+ * Branch on MIPS:
+ * I: target_offset <- sign_extend(offset)
+ * I+1: PC += target_offset (delay slot)
+ *
+ * ctx->idx currently points to the branch instruction
+ * but the offset is added to the delay slot so we need
+ * to subtract 4.
+ */
+ return (ctx->offsets[tgt] & ~OFFSETS_B_CONV) -
+ (ctx->idx * 4) - 4;
+}
+
+int bpf_jit_enable __read_mostly;
+
+enum which_ebpf_reg {
+ src_reg,
+ src_reg_no_fp,
+ dst_reg,
+ dst_reg_fp_ok
+};
+
+/*
+ * For eBPF, the register mapping naturally falls out of the
+ * requirements of eBPF and the MIPS n64 ABI. We don't maintain a
+ * separate frame pointer, so BPF_REG_10 relative accesses are
+ * adjusted to be $sp relative.
+ */
+int ebpf_to_mips_reg(struct jit_ctx *ctx, const struct bpf_insn *insn,
+ enum which_ebpf_reg w)
+{
+ int ebpf_reg = (w == src_reg || w == src_reg_no_fp) ?
+ insn->src_reg : insn->dst_reg;
+
+ switch (ebpf_reg) {
+ case BPF_REG_0:
+ return MIPS_R_V0;
+ case BPF_REG_1:
+ return MIPS_R_A0;
+ case BPF_REG_2:
+ return MIPS_R_A1;
+ case BPF_REG_3:
+ return MIPS_R_A2;
+ case BPF_REG_4:
+ return MIPS_R_A3;
+ case BPF_REG_5:
+ return MIPS_R_A4;
+ case BPF_REG_6:
+ ctx->flags |= EBPF_SAVE_S0;
+ return MIPS_R_S0;
+ case BPF_REG_7:
+ ctx->flags |= EBPF_SAVE_S1;
+ return MIPS_R_S1;
+ case BPF_REG_8:
+ ctx->flags |= EBPF_SAVE_S2;
+ return MIPS_R_S2;
+ case BPF_REG_9:
+ ctx->flags |= EBPF_SAVE_S3;
+ return MIPS_R_S3;
+ case BPF_REG_10:
+ if (w == dst_reg || w == src_reg_no_fp)
+ goto bad_reg;
+ ctx->flags |= EBPF_SEEN_FP;
+ /*
+ * Needs special handling, return something that
+ * cannot be clobbered just in case.
+ */
+ return MIPS_R_ZERO;
+ case BPF_REG_AX:
+ return MIPS_R_T4;
+ default:
+bad_reg:
+ WARN(1, "Illegal bpf reg: %d\n", ebpf_reg);
+ return -EINVAL;
+ }
+}
+/*
+ * eBPF stack frame will be something like:
+ *
+ * Entry $sp ------> +--------------------------------+
+ * | $ra (optional) |
+ * +--------------------------------+
+ * | $s0 (optional) |
+ * +--------------------------------+
+ * | $s1 (optional) |
+ * +--------------------------------+
+ * | $s2 (optional) |
+ * +--------------------------------+
+ * | $s3 (optional) |
+ * +--------------------------------+
+ * | $s4 (optional) |
+ * +--------------------------------+
+ * | tmp-storage (if $ra saved) |
+ * $sp + tmp_offset --> +--------------------------------+ <--BPF_REG_10
+ * | BPF_REG_10 relative storage |
+ * | MAX_BPF_STACK (optional) |
+ * | . |
+ * | . |
+ * | . |
+ * $sp --------> +--------------------------------+
+ *
+ * If BPF_REG_10 is never referenced, then the MAX_BPF_STACK sized
+ * area is not allocated.
+ */
+static int gen_int_prologue(struct jit_ctx *ctx)
+{
+ int stack_adjust = 0;
+ int store_offset;
+ int locals_size;
+
+ if (ctx->flags & EBPF_SAVE_RA)
+ /*
+ * If RA we are doing a function call and may need
+ * extra 8-byte tmp area.
+ */
+ stack_adjust += 16;
+ if (ctx->flags & EBPF_SAVE_S0)
+ stack_adjust += 8;
+ if (ctx->flags & EBPF_SAVE_S1)
+ stack_adjust += 8;
+ if (ctx->flags & EBPF_SAVE_S2)
+ stack_adjust += 8;
+ if (ctx->flags & EBPF_SAVE_S3)
+ stack_adjust += 8;
+ if (ctx->flags & EBPF_SAVE_S4)
+ stack_adjust += 8;
+
+ BUILD_BUG_ON(MAX_BPF_STACK & 7);
+ locals_size = (ctx->flags & EBPF_SEEN_FP) ? MAX_BPF_STACK : 0;
+
+ stack_adjust += locals_size;
+ ctx->tmp_offset = locals_size;
+
+ ctx->stack_size = stack_adjust;
+
+ /*
+ * First instruction initializes the tail call count (TCC).
+ * On tail call we skip this instruction, and the TCC is
+ * passed in $v1 from the caller.
+ */
+ emit_instr(ctx, daddiu, MIPS_R_V1, MIPS_R_ZERO, MAX_TAIL_CALL_CNT);
+ if (stack_adjust)
+ emit_instr(ctx, daddiu, MIPS_R_SP, MIPS_R_SP, -stack_adjust);
+ else
+ return 0;
+
+ store_offset = stack_adjust - 8;
+
+ if (ctx->flags & EBPF_SAVE_RA) {
+ emit_instr(ctx, sd, MIPS_R_RA, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S0) {
+ emit_instr(ctx, sd, MIPS_R_S0, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S1) {
+ emit_instr(ctx, sd, MIPS_R_S1, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S2) {
+ emit_instr(ctx, sd, MIPS_R_S2, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S3) {
+ emit_instr(ctx, sd, MIPS_R_S3, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S4) {
+ emit_instr(ctx, sd, MIPS_R_S4, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+
+ if ((ctx->flags & EBPF_SEEN_TC) && !(ctx->flags & EBPF_TCC_IN_V1))
+ emit_instr(ctx, daddu, MIPS_R_S4, MIPS_R_V1, MIPS_R_ZERO);
+
+ return 0;
+}
+
+static int build_int_epilogue(struct jit_ctx *ctx, int dest_reg)
+{
+ const struct bpf_prog *prog = ctx->skf;
+ int stack_adjust = ctx->stack_size;
+ int store_offset = stack_adjust - 8;
+ int r0 = MIPS_R_V0;
+
+ if (dest_reg == MIPS_R_RA &&
+ get_reg_val_type(ctx, prog->len, BPF_REG_0) == REG_32BIT_ZERO_EX)
+ /* Don't let zero extended value escape. */
+ emit_instr(ctx, sll, r0, r0, 0);
+
+ if (ctx->flags & EBPF_SAVE_RA) {
+ emit_instr(ctx, ld, MIPS_R_RA, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S0) {
+ emit_instr(ctx, ld, MIPS_R_S0, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S1) {
+ emit_instr(ctx, ld, MIPS_R_S1, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S2) {
+ emit_instr(ctx, ld, MIPS_R_S2, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S3) {
+ emit_instr(ctx, ld, MIPS_R_S3, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ if (ctx->flags & EBPF_SAVE_S4) {
+ emit_instr(ctx, ld, MIPS_R_S4, store_offset, MIPS_R_SP);
+ store_offset -= 8;
+ }
+ emit_instr(ctx, jr, dest_reg);
+
+ if (stack_adjust)
+ emit_instr(ctx, daddiu, MIPS_R_SP, MIPS_R_SP, stack_adjust);
+ else
+ emit_instr(ctx, nop);
+
+ return 0;
+}
+
+static void gen_imm_to_reg(const struct bpf_insn *insn, int reg,
+ struct jit_ctx *ctx)
+{
+ if (insn->imm >= S16_MIN && insn->imm <= S16_MAX) {
+ emit_instr(ctx, addiu, reg, MIPS_R_ZERO, insn->imm);
+ } else {
+ int lower = (s16)(insn->imm & 0xffff);
+ int upper = insn->imm - lower;
+
+ emit_instr(ctx, lui, reg, upper >> 16);
+ emit_instr(ctx, addiu, reg, reg, lower);
+ }
+
+}
+
+static int gen_imm_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
+ int idx)
+{
+ int upper_bound, lower_bound;
+ int dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+
+ if (dst < 0)
+ return dst;
+
+ switch (BPF_OP(insn->code)) {
+ case BPF_MOV:
+ case BPF_ADD:
+ upper_bound = S16_MAX;
+ lower_bound = S16_MIN;
+ break;
+ case BPF_SUB:
+ upper_bound = -(int)S16_MIN;
+ lower_bound = -(int)S16_MAX;
+ break;
+ case BPF_AND:
+ case BPF_OR:
+ case BPF_XOR:
+ upper_bound = 0xffff;
+ lower_bound = 0;
+ break;
+ case BPF_RSH:
+ case BPF_LSH:
+ case BPF_ARSH:
+ /* Shift amounts are truncated, no need for bounds */
+ upper_bound = S32_MAX;
+ lower_bound = S32_MIN;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /*
+ * Immediate move clobbers the register, so no sign/zero
+ * extension needed.
+ */
+ if (BPF_CLASS(insn->code) == BPF_ALU64 &&
+ BPF_OP(insn->code) != BPF_MOV &&
+ get_reg_val_type(ctx, idx, insn->dst_reg) == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+ /* BPF_ALU | BPF_LSH doesn't need separate sign extension */
+ if (BPF_CLASS(insn->code) == BPF_ALU &&
+ BPF_OP(insn->code) != BPF_LSH &&
+ BPF_OP(insn->code) != BPF_MOV &&
+ get_reg_val_type(ctx, idx, insn->dst_reg) != REG_32BIT)
+ emit_instr(ctx, sll, dst, dst, 0);
+
+ if (insn->imm >= lower_bound && insn->imm <= upper_bound) {
+ /* single insn immediate case */
+ switch (BPF_OP(insn->code) | BPF_CLASS(insn->code)) {
+ case BPF_ALU64 | BPF_MOV:
+ emit_instr(ctx, daddiu, dst, MIPS_R_ZERO, insn->imm);
+ break;
+ case BPF_ALU64 | BPF_AND:
+ case BPF_ALU | BPF_AND:
+ emit_instr(ctx, andi, dst, dst, insn->imm);
+ break;
+ case BPF_ALU64 | BPF_OR:
+ case BPF_ALU | BPF_OR:
+ emit_instr(ctx, ori, dst, dst, insn->imm);
+ break;
+ case BPF_ALU64 | BPF_XOR:
+ case BPF_ALU | BPF_XOR:
+ emit_instr(ctx, xori, dst, dst, insn->imm);
+ break;
+ case BPF_ALU64 | BPF_ADD:
+ emit_instr(ctx, daddiu, dst, dst, insn->imm);
+ break;
+ case BPF_ALU64 | BPF_SUB:
+ emit_instr(ctx, daddiu, dst, dst, -insn->imm);
+ break;
+ case BPF_ALU64 | BPF_RSH:
+ emit_instr(ctx, dsrl_safe, dst, dst, insn->imm & 0x3f);
+ break;
+ case BPF_ALU | BPF_RSH:
+ emit_instr(ctx, srl, dst, dst, insn->imm & 0x1f);
+ break;
+ case BPF_ALU64 | BPF_LSH:
+ emit_instr(ctx, dsll_safe, dst, dst, insn->imm & 0x3f);
+ break;
+ case BPF_ALU | BPF_LSH:
+ emit_instr(ctx, sll, dst, dst, insn->imm & 0x1f);
+ break;
+ case BPF_ALU64 | BPF_ARSH:
+ emit_instr(ctx, dsra_safe, dst, dst, insn->imm & 0x3f);
+ break;
+ case BPF_ALU | BPF_ARSH:
+ emit_instr(ctx, sra, dst, dst, insn->imm & 0x1f);
+ break;
+ case BPF_ALU | BPF_MOV:
+ emit_instr(ctx, addiu, dst, MIPS_R_ZERO, insn->imm);
+ break;
+ case BPF_ALU | BPF_ADD:
+ emit_instr(ctx, addiu, dst, dst, insn->imm);
+ break;
+ case BPF_ALU | BPF_SUB:
+ emit_instr(ctx, addiu, dst, dst, -insn->imm);
+ break;
+ default:
+ return -EINVAL;
+ }
+ } else {
+ /* multi insn immediate case */
+ if (BPF_OP(insn->code) == BPF_MOV) {
+ gen_imm_to_reg(insn, dst, ctx);
+ } else {
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ switch (BPF_OP(insn->code) | BPF_CLASS(insn->code)) {
+ case BPF_ALU64 | BPF_AND:
+ case BPF_ALU | BPF_AND:
+ emit_instr(ctx, and, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU64 | BPF_OR:
+ case BPF_ALU | BPF_OR:
+ emit_instr(ctx, or, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU64 | BPF_XOR:
+ case BPF_ALU | BPF_XOR:
+ emit_instr(ctx, xor, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU64 | BPF_ADD:
+ emit_instr(ctx, daddu, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU64 | BPF_SUB:
+ emit_instr(ctx, dsubu, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU | BPF_ADD:
+ emit_instr(ctx, addu, dst, dst, MIPS_R_AT);
+ break;
+ case BPF_ALU | BPF_SUB:
+ emit_instr(ctx, subu, dst, dst, MIPS_R_AT);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void * __must_check
+ool_skb_header_pointer(const struct sk_buff *skb, int offset,
+ int len, void *buffer)
+{
+ return skb_header_pointer(skb, offset, len, buffer);
+}
+
+static int size_to_len(const struct bpf_insn *insn)
+{
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_B:
+ return 1;
+ case BPF_H:
+ return 2;
+ case BPF_W:
+ return 4;
+ case BPF_DW:
+ return 8;
+ }
+ return 0;
+}
+
+static void emit_const_to_reg(struct jit_ctx *ctx, int dst, u64 value)
+{
+ if (value >= 0xffffffffffff8000ull || value < 0x8000ull) {
+ emit_instr(ctx, daddiu, dst, MIPS_R_ZERO, (int)value);
+ } else if (value >= 0xffffffff80000000ull ||
+ (value < 0x80000000 && value > 0xffff)) {
+ emit_instr(ctx, lui, dst, (s32)(s16)(value >> 16));
+ emit_instr(ctx, ori, dst, dst, (unsigned int)(value & 0xffff));
+ } else {
+ int i;
+ bool seen_part = false;
+ int needed_shift = 0;
+
+ for (i = 0; i < 4; i++) {
+ u64 part = (value >> (16 * (3 - i))) & 0xffff;
+
+ if (seen_part && needed_shift > 0 && (part || i == 3)) {
+ emit_instr(ctx, dsll_safe, dst, dst, needed_shift);
+ needed_shift = 0;
+ }
+ if (part) {
+ if (i == 0 || (!seen_part && i < 3 && part < 0x8000)) {
+ emit_instr(ctx, lui, dst, (s32)(s16)part);
+ needed_shift = -16;
+ } else {
+ emit_instr(ctx, ori, dst,
+ seen_part ? dst : MIPS_R_ZERO,
+ (unsigned int)part);
+ }
+ seen_part = true;
+ }
+ if (seen_part)
+ needed_shift += 16;
+ }
+ }
+}
+
+static int emit_bpf_tail_call(struct jit_ctx *ctx, int this_idx)
+{
+ int off, b_off;
+
+ ctx->flags |= EBPF_SEEN_TC;
+ /*
+ * if (index >= array->map.max_entries)
+ * goto out;
+ */
+ off = offsetof(struct bpf_array, map.max_entries);
+ emit_instr(ctx, lwu, MIPS_R_T5, off, MIPS_R_A1);
+ emit_instr(ctx, sltu, MIPS_R_AT, MIPS_R_T5, MIPS_R_A2);
+ b_off = b_imm(this_idx + 1, ctx);
+ emit_instr(ctx, bne, MIPS_R_AT, MIPS_R_ZERO, b_off);
+ /*
+ * if (--TCC < 0)
+ * goto out;
+ */
+ /* Delay slot */
+ emit_instr(ctx, daddiu, MIPS_R_T5,
+ (ctx->flags & EBPF_TCC_IN_V1) ? MIPS_R_V1 : MIPS_R_S4, -1);
+ b_off = b_imm(this_idx + 1, ctx);
+ emit_instr(ctx, bltz, MIPS_R_T5, b_off);
+ /*
+ * prog = array->ptrs[index];
+ * if (prog == NULL)
+ * goto out;
+ */
+ /* Delay slot */
+ emit_instr(ctx, dsll, MIPS_R_T8, MIPS_R_A2, 3);
+ emit_instr(ctx, daddu, MIPS_R_T8, MIPS_R_T8, MIPS_R_A1);
+ off = offsetof(struct bpf_array, ptrs);
+ emit_instr(ctx, ld, MIPS_R_AT, off, MIPS_R_T8);
+ b_off = b_imm(this_idx + 1, ctx);
+ emit_instr(ctx, beq, MIPS_R_AT, MIPS_R_ZERO, b_off);
+ /* Delay slot */
+ emit_instr(ctx, nop);
+
+ /* goto *(prog->bpf_func + 4); */
+ off = offsetof(struct bpf_prog, bpf_func);
+ emit_instr(ctx, ld, MIPS_R_T9, off, MIPS_R_AT);
+ /* All systems are go... propagate TCC */
+ emit_instr(ctx, daddu, MIPS_R_V1, MIPS_R_T5, MIPS_R_ZERO);
+ /* Skip first instruction (TCC initialization) */
+ emit_instr(ctx, daddiu, MIPS_R_T9, MIPS_R_T9, 4);
+ return build_int_epilogue(ctx, MIPS_R_T9);
+}
+
+static bool use_bbit_insns(void)
+{
+ switch (current_cpu_type()) {
+ case CPU_CAVIUM_OCTEON:
+ case CPU_CAVIUM_OCTEON_PLUS:
+ case CPU_CAVIUM_OCTEON2:
+ case CPU_CAVIUM_OCTEON3:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool is_bad_offset(int b_off)
+{
+ return b_off > 0x1ffff || b_off < -0x20000;
+}
+
+/* Returns the number of insn slots consumed. */
+static int build_one_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
+ int this_idx, int exit_idx)
+{
+ int src, dst, r, td, ts, mem_off, b_off;
+ bool need_swap, did_move, cmp_eq;
+ unsigned int target;
+ u64 t64;
+ s64 t64s;
+
+ switch (insn->code) {
+ case BPF_ALU64 | BPF_ADD | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_SUB | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_OR | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_AND | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_LSH | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_RSH | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_XOR | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_ARSH | BPF_K: /* ALU64_IMM */
+ case BPF_ALU64 | BPF_MOV | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_MOV | BPF_K: /* ALU32_IMM */
+ case BPF_ALU | BPF_ADD | BPF_K: /* ALU32_IMM */
+ case BPF_ALU | BPF_SUB | BPF_K: /* ALU32_IMM */
+ case BPF_ALU | BPF_OR | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_AND | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_LSH | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_RSH | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_XOR | BPF_K: /* ALU64_IMM */
+ case BPF_ALU | BPF_ARSH | BPF_K: /* ALU64_IMM */
+ r = gen_imm_insn(insn, ctx, this_idx);
+ if (r < 0)
+ return r;
+ break;
+ case BPF_ALU64 | BPF_MUL | BPF_K: /* ALU64_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ if (get_reg_val_type(ctx, this_idx, insn->dst_reg) == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+ if (insn->imm == 1) /* Mult by 1 is a nop */
+ break;
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ emit_instr(ctx, dmultu, MIPS_R_AT, dst);
+ emit_instr(ctx, mflo, dst);
+ break;
+ case BPF_ALU64 | BPF_NEG | BPF_K: /* ALU64_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ if (get_reg_val_type(ctx, this_idx, insn->dst_reg) == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+ emit_instr(ctx, dsubu, dst, MIPS_R_ZERO, dst);
+ break;
+ case BPF_ALU | BPF_MUL | BPF_K: /* ALU_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ if (td == REG_64BIT || td == REG_32BIT_ZERO_EX) {
+ /* sign extend */
+ emit_instr(ctx, sll, dst, dst, 0);
+ }
+ if (insn->imm == 1) /* Mult by 1 is a nop */
+ break;
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ emit_instr(ctx, multu, dst, MIPS_R_AT);
+ emit_instr(ctx, mflo, dst);
+ break;
+ case BPF_ALU | BPF_NEG | BPF_K: /* ALU_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ if (td == REG_64BIT || td == REG_32BIT_ZERO_EX) {
+ /* sign extend */
+ emit_instr(ctx, sll, dst, dst, 0);
+ }
+ emit_instr(ctx, subu, dst, MIPS_R_ZERO, dst);
+ break;
+ case BPF_ALU | BPF_DIV | BPF_K: /* ALU_IMM */
+ case BPF_ALU | BPF_MOD | BPF_K: /* ALU_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ if (insn->imm == 0) { /* Div by zero */
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, beq, MIPS_R_ZERO, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, addu, MIPS_R_V0, MIPS_R_ZERO, MIPS_R_ZERO);
+ }
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ if (td == REG_64BIT || td == REG_32BIT_ZERO_EX)
+ /* sign extend */
+ emit_instr(ctx, sll, dst, dst, 0);
+ if (insn->imm == 1) {
+ /* div by 1 is a nop, mod by 1 is zero */
+ if (BPF_OP(insn->code) == BPF_MOD)
+ emit_instr(ctx, addu, dst, MIPS_R_ZERO, MIPS_R_ZERO);
+ break;
+ }
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ emit_instr(ctx, divu, dst, MIPS_R_AT);
+ if (BPF_OP(insn->code) == BPF_DIV)
+ emit_instr(ctx, mflo, dst);
+ else
+ emit_instr(ctx, mfhi, dst);
+ break;
+ case BPF_ALU64 | BPF_DIV | BPF_K: /* ALU_IMM */
+ case BPF_ALU64 | BPF_MOD | BPF_K: /* ALU_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ if (insn->imm == 0) { /* Div by zero */
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, beq, MIPS_R_ZERO, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, addu, MIPS_R_V0, MIPS_R_ZERO, MIPS_R_ZERO);
+ }
+ if (get_reg_val_type(ctx, this_idx, insn->dst_reg) == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+
+ if (insn->imm == 1) {
+ /* div by 1 is a nop, mod by 1 is zero */
+ if (BPF_OP(insn->code) == BPF_MOD)
+ emit_instr(ctx, addu, dst, MIPS_R_ZERO, MIPS_R_ZERO);
+ break;
+ }
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ emit_instr(ctx, ddivu, dst, MIPS_R_AT);
+ if (BPF_OP(insn->code) == BPF_DIV)
+ emit_instr(ctx, mflo, dst);
+ else
+ emit_instr(ctx, mfhi, dst);
+ break;
+ case BPF_ALU64 | BPF_MOV | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_ADD | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_SUB | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_XOR | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_OR | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_AND | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_MUL | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_DIV | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_MOD | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_LSH | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_RSH | BPF_X: /* ALU64_REG */
+ case BPF_ALU64 | BPF_ARSH | BPF_X: /* ALU64_REG */
+ src = ebpf_to_mips_reg(ctx, insn, src_reg);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (src < 0 || dst < 0)
+ return -EINVAL;
+ if (get_reg_val_type(ctx, this_idx, insn->dst_reg) == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+ did_move = false;
+ if (insn->src_reg == BPF_REG_10) {
+ if (BPF_OP(insn->code) == BPF_MOV) {
+ emit_instr(ctx, daddiu, dst, MIPS_R_SP, MAX_BPF_STACK);
+ did_move = true;
+ } else {
+ emit_instr(ctx, daddiu, MIPS_R_AT, MIPS_R_SP, MAX_BPF_STACK);
+ src = MIPS_R_AT;
+ }
+ } else if (get_reg_val_type(ctx, this_idx, insn->src_reg) == REG_32BIT) {
+ int tmp_reg = MIPS_R_AT;
+
+ if (BPF_OP(insn->code) == BPF_MOV) {
+ tmp_reg = dst;
+ did_move = true;
+ }
+ emit_instr(ctx, daddu, tmp_reg, src, MIPS_R_ZERO);
+ emit_instr(ctx, dinsu, tmp_reg, MIPS_R_ZERO, 32, 32);
+ src = MIPS_R_AT;
+ }
+ switch (BPF_OP(insn->code)) {
+ case BPF_MOV:
+ if (!did_move)
+ emit_instr(ctx, daddu, dst, src, MIPS_R_ZERO);
+ break;
+ case BPF_ADD:
+ emit_instr(ctx, daddu, dst, dst, src);
+ break;
+ case BPF_SUB:
+ emit_instr(ctx, dsubu, dst, dst, src);
+ break;
+ case BPF_XOR:
+ emit_instr(ctx, xor, dst, dst, src);
+ break;
+ case BPF_OR:
+ emit_instr(ctx, or, dst, dst, src);
+ break;
+ case BPF_AND:
+ emit_instr(ctx, and, dst, dst, src);
+ break;
+ case BPF_MUL:
+ emit_instr(ctx, dmultu, dst, src);
+ emit_instr(ctx, mflo, dst);
+ break;
+ case BPF_DIV:
+ case BPF_MOD:
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, beq, src, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, movz, MIPS_R_V0, MIPS_R_ZERO, src);
+ emit_instr(ctx, ddivu, dst, src);
+ if (BPF_OP(insn->code) == BPF_DIV)
+ emit_instr(ctx, mflo, dst);
+ else
+ emit_instr(ctx, mfhi, dst);
+ break;
+ case BPF_LSH:
+ emit_instr(ctx, dsllv, dst, dst, src);
+ break;
+ case BPF_RSH:
+ emit_instr(ctx, dsrlv, dst, dst, src);
+ break;
+ case BPF_ARSH:
+ emit_instr(ctx, dsrav, dst, dst, src);
+ break;
+ default:
+ pr_err("ALU64_REG NOT HANDLED\n");
+ return -EINVAL;
+ }
+ break;
+ case BPF_ALU | BPF_MOV | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_ADD | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_SUB | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_XOR | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_OR | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_AND | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_MUL | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_DIV | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_MOD | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_LSH | BPF_X: /* ALU_REG */
+ case BPF_ALU | BPF_RSH | BPF_X: /* ALU_REG */
+ src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (src < 0 || dst < 0)
+ return -EINVAL;
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ if (td == REG_64BIT || td == REG_32BIT_ZERO_EX) {
+ /* sign extend */
+ emit_instr(ctx, sll, dst, dst, 0);
+ }
+ did_move = false;
+ ts = get_reg_val_type(ctx, this_idx, insn->src_reg);
+ if (ts == REG_64BIT || ts == REG_32BIT_ZERO_EX) {
+ int tmp_reg = MIPS_R_AT;
+
+ if (BPF_OP(insn->code) == BPF_MOV) {
+ tmp_reg = dst;
+ did_move = true;
+ }
+ /* sign extend */
+ emit_instr(ctx, sll, tmp_reg, src, 0);
+ src = MIPS_R_AT;
+ }
+ switch (BPF_OP(insn->code)) {
+ case BPF_MOV:
+ if (!did_move)
+ emit_instr(ctx, addu, dst, src, MIPS_R_ZERO);
+ break;
+ case BPF_ADD:
+ emit_instr(ctx, addu, dst, dst, src);
+ break;
+ case BPF_SUB:
+ emit_instr(ctx, subu, dst, dst, src);
+ break;
+ case BPF_XOR:
+ emit_instr(ctx, xor, dst, dst, src);
+ break;
+ case BPF_OR:
+ emit_instr(ctx, or, dst, dst, src);
+ break;
+ case BPF_AND:
+ emit_instr(ctx, and, dst, dst, src);
+ break;
+ case BPF_MUL:
+ emit_instr(ctx, mul, dst, dst, src);
+ break;
+ case BPF_DIV:
+ case BPF_MOD:
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, beq, src, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, movz, MIPS_R_V0, MIPS_R_ZERO, src);
+ emit_instr(ctx, divu, dst, src);
+ if (BPF_OP(insn->code) == BPF_DIV)
+ emit_instr(ctx, mflo, dst);
+ else
+ emit_instr(ctx, mfhi, dst);
+ break;
+ case BPF_LSH:
+ emit_instr(ctx, sllv, dst, dst, src);
+ break;
+ case BPF_RSH:
+ emit_instr(ctx, srlv, dst, dst, src);
+ break;
+ default:
+ pr_err("ALU_REG NOT HANDLED\n");
+ return -EINVAL;
+ }
+ break;
+ case BPF_JMP | BPF_EXIT:
+ if (this_idx + 1 < exit_idx) {
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, beq, MIPS_R_ZERO, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, nop);
+ }
+ break;
+ case BPF_JMP | BPF_JEQ | BPF_K: /* JMP_IMM */
+ case BPF_JMP | BPF_JNE | BPF_K: /* JMP_IMM */
+ cmp_eq = (BPF_OP(insn->code) == BPF_JEQ);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg_fp_ok);
+ if (dst < 0)
+ return dst;
+ if (insn->imm == 0) {
+ src = MIPS_R_ZERO;
+ } else {
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ src = MIPS_R_AT;
+ }
+ goto jeq_common;
+ case BPF_JMP | BPF_JEQ | BPF_X: /* JMP_REG */
+ case BPF_JMP | BPF_JNE | BPF_X:
+ case BPF_JMP | BPF_JSGT | BPF_X:
+ case BPF_JMP | BPF_JSGE | BPF_X:
+ case BPF_JMP | BPF_JGT | BPF_X:
+ case BPF_JMP | BPF_JGE | BPF_X:
+ case BPF_JMP | BPF_JSET | BPF_X:
+ src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (src < 0 || dst < 0)
+ return -EINVAL;
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ ts = get_reg_val_type(ctx, this_idx, insn->src_reg);
+ if (td == REG_32BIT && ts != REG_32BIT) {
+ emit_instr(ctx, sll, MIPS_R_AT, src, 0);
+ src = MIPS_R_AT;
+ } else if (ts == REG_32BIT && td != REG_32BIT) {
+ emit_instr(ctx, sll, MIPS_R_AT, dst, 0);
+ dst = MIPS_R_AT;
+ }
+ if (BPF_OP(insn->code) == BPF_JSET) {
+ emit_instr(ctx, and, MIPS_R_AT, dst, src);
+ cmp_eq = false;
+ dst = MIPS_R_AT;
+ src = MIPS_R_ZERO;
+ } else if (BPF_OP(insn->code) == BPF_JSGT) {
+ emit_instr(ctx, dsubu, MIPS_R_AT, dst, src);
+ if ((insn + 1)->code == (BPF_JMP | BPF_EXIT) && insn->off == 1) {
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, blez, MIPS_R_AT, b_off);
+ emit_instr(ctx, nop);
+ return 2; /* We consumed the exit. */
+ }
+ b_off = b_imm(this_idx + insn->off + 1, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, bgtz, MIPS_R_AT, b_off);
+ emit_instr(ctx, nop);
+ break;
+ } else if (BPF_OP(insn->code) == BPF_JSGE) {
+ emit_instr(ctx, slt, MIPS_R_AT, dst, src);
+ cmp_eq = true;
+ dst = MIPS_R_AT;
+ src = MIPS_R_ZERO;
+ } else if (BPF_OP(insn->code) == BPF_JGT) {
+ /* dst or src could be AT */
+ emit_instr(ctx, dsubu, MIPS_R_T8, dst, src);
+ emit_instr(ctx, sltu, MIPS_R_AT, dst, src);
+ /* SP known to be non-zero, movz becomes boolean not */
+ emit_instr(ctx, movz, MIPS_R_T9, MIPS_R_SP, MIPS_R_T8);
+ emit_instr(ctx, movn, MIPS_R_T9, MIPS_R_ZERO, MIPS_R_T8);
+ emit_instr(ctx, or, MIPS_R_AT, MIPS_R_T9, MIPS_R_AT);
+ cmp_eq = true;
+ dst = MIPS_R_AT;
+ src = MIPS_R_ZERO;
+ } else if (BPF_OP(insn->code) == BPF_JGE) {
+ emit_instr(ctx, sltu, MIPS_R_AT, dst, src);
+ cmp_eq = true;
+ dst = MIPS_R_AT;
+ src = MIPS_R_ZERO;
+ } else { /* JNE/JEQ case */
+ cmp_eq = (BPF_OP(insn->code) == BPF_JEQ);
+ }
+jeq_common:
+ /*
+ * If the next insn is EXIT and we are jumping arround
+ * only it, invert the sense of the compare and
+ * conditionally jump to the exit. Poor man's branch
+ * chaining.
+ */
+ if ((insn + 1)->code == (BPF_JMP | BPF_EXIT) && insn->off == 1) {
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off)) {
+ target = j_target(ctx, exit_idx);
+ if (target == (unsigned int)-1)
+ return -E2BIG;
+ cmp_eq = !cmp_eq;
+ b_off = 4 * 3;
+ if (!(ctx->offsets[this_idx] & OFFSETS_B_CONV)) {
+ ctx->offsets[this_idx] |= OFFSETS_B_CONV;
+ ctx->long_b_conversion = 1;
+ }
+ }
+
+ if (cmp_eq)
+ emit_instr(ctx, bne, dst, src, b_off);
+ else
+ emit_instr(ctx, beq, dst, src, b_off);
+ emit_instr(ctx, nop);
+ if (ctx->offsets[this_idx] & OFFSETS_B_CONV) {
+ emit_instr(ctx, j, target);
+ emit_instr(ctx, nop);
+ }
+ return 2; /* We consumed the exit. */
+ }
+ b_off = b_imm(this_idx + insn->off + 1, ctx);
+ if (is_bad_offset(b_off)) {
+ target = j_target(ctx, this_idx + insn->off + 1);
+ if (target == (unsigned int)-1)
+ return -E2BIG;
+ cmp_eq = !cmp_eq;
+ b_off = 4 * 3;
+ if (!(ctx->offsets[this_idx] & OFFSETS_B_CONV)) {
+ ctx->offsets[this_idx] |= OFFSETS_B_CONV;
+ ctx->long_b_conversion = 1;
+ }
+ }
+
+ if (cmp_eq)
+ emit_instr(ctx, beq, dst, src, b_off);
+ else
+ emit_instr(ctx, bne, dst, src, b_off);
+ emit_instr(ctx, nop);
+ if (ctx->offsets[this_idx] & OFFSETS_B_CONV) {
+ emit_instr(ctx, j, target);
+ emit_instr(ctx, nop);
+ }
+ break;
+ case BPF_JMP | BPF_JSGT | BPF_K: /* JMP_IMM */
+ case BPF_JMP | BPF_JSGE | BPF_K: /* JMP_IMM */
+ cmp_eq = (BPF_OP(insn->code) == BPF_JSGE);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg_fp_ok);
+ if (dst < 0)
+ return dst;
+
+ if (insn->imm == 0) {
+ if ((insn + 1)->code == (BPF_JMP | BPF_EXIT) && insn->off == 1) {
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ if (cmp_eq)
+ emit_instr(ctx, bltz, dst, b_off);
+ else
+ emit_instr(ctx, blez, dst, b_off);
+ emit_instr(ctx, nop);
+ return 2; /* We consumed the exit. */
+ }
+ b_off = b_imm(this_idx + insn->off + 1, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ if (cmp_eq)
+ emit_instr(ctx, bgez, dst, b_off);
+ else
+ emit_instr(ctx, bgtz, dst, b_off);
+ emit_instr(ctx, nop);
+ break;
+ }
+ /*
+ * only "LT" compare available, so we must use imm + 1
+ * to generate "GT"
+ */
+ t64s = insn->imm + (cmp_eq ? 0 : 1);
+ if (t64s >= S16_MIN && t64s <= S16_MAX) {
+ emit_instr(ctx, slti, MIPS_R_AT, dst, (int)t64s);
+ src = MIPS_R_AT;
+ dst = MIPS_R_ZERO;
+ cmp_eq = true;
+ goto jeq_common;
+ }
+ emit_const_to_reg(ctx, MIPS_R_AT, (u64)t64s);
+ emit_instr(ctx, slt, MIPS_R_AT, dst, MIPS_R_AT);
+ src = MIPS_R_AT;
+ dst = MIPS_R_ZERO;
+ cmp_eq = true;
+ goto jeq_common;
+
+ case BPF_JMP | BPF_JGT | BPF_K:
+ case BPF_JMP | BPF_JGE | BPF_K:
+ cmp_eq = (BPF_OP(insn->code) == BPF_JGE);
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg_fp_ok);
+ if (dst < 0)
+ return dst;
+ /*
+ * only "LT" compare available, so we must use imm + 1
+ * to generate "GT"
+ */
+ t64s = (u64)(u32)(insn->imm) + (cmp_eq ? 0 : 1);
+ if (t64s >= 0 && t64s <= S16_MAX) {
+ emit_instr(ctx, sltiu, MIPS_R_AT, dst, (int)t64s);
+ src = MIPS_R_AT;
+ dst = MIPS_R_ZERO;
+ cmp_eq = true;
+ goto jeq_common;
+ }
+ emit_const_to_reg(ctx, MIPS_R_AT, (u64)t64s);
+ emit_instr(ctx, sltu, MIPS_R_AT, dst, MIPS_R_AT);
+ src = MIPS_R_AT;
+ dst = MIPS_R_ZERO;
+ cmp_eq = true;
+ goto jeq_common;
+
+ case BPF_JMP | BPF_JSET | BPF_K: /* JMP_IMM */
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg_fp_ok);
+ if (dst < 0)
+ return dst;
+
+ if (use_bbit_insns() && hweight32((u32)insn->imm) == 1) {
+ if ((insn + 1)->code == (BPF_JMP | BPF_EXIT) && insn->off == 1) {
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, bbit0, dst, ffs((u32)insn->imm) - 1, b_off);
+ emit_instr(ctx, nop);
+ return 2; /* We consumed the exit. */
+ }
+ b_off = b_imm(this_idx + insn->off + 1, ctx);
+ if (is_bad_offset(b_off))
+ return -E2BIG;
+ emit_instr(ctx, bbit1, dst, ffs((u32)insn->imm) - 1, b_off);
+ emit_instr(ctx, nop);
+ break;
+ }
+ t64 = (u32)insn->imm;
+ emit_const_to_reg(ctx, MIPS_R_AT, t64);
+ emit_instr(ctx, and, MIPS_R_AT, dst, MIPS_R_AT);
+ src = MIPS_R_AT;
+ dst = MIPS_R_ZERO;
+ cmp_eq = false;
+ goto jeq_common;
+
+ case BPF_JMP | BPF_JA:
+ /*
+ * Prefer relative branch for easier debugging, but
+ * fall back if needed.
+ */
+ b_off = b_imm(this_idx + insn->off + 1, ctx);
+ if (is_bad_offset(b_off)) {
+ target = j_target(ctx, this_idx + insn->off + 1);
+ if (target == (unsigned int)-1)
+ return -E2BIG;
+ emit_instr(ctx, j, target);
+ } else {
+ emit_instr(ctx, b, b_off);
+ }
+ emit_instr(ctx, nop);
+ break;
+ case BPF_LD | BPF_DW | BPF_IMM:
+ if (insn->src_reg != 0)
+ return -EINVAL;
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ t64 = ((u64)(u32)insn->imm) | ((u64)(insn + 1)->imm << 32);
+ emit_const_to_reg(ctx, dst, t64);
+ return 2; /* Double slot insn */
+
+ case BPF_JMP | BPF_CALL:
+ ctx->flags |= EBPF_SAVE_RA;
+ t64s = (s64)insn->imm + (s64)__bpf_call_base;
+ emit_const_to_reg(ctx, MIPS_R_T9, (u64)t64s);
+ emit_instr(ctx, jalr, MIPS_R_RA, MIPS_R_T9);
+ /* delay slot */
+ emit_instr(ctx, nop);
+ break;
+
+ case BPF_JMP | BPF_TAIL_CALL:
+ if (emit_bpf_tail_call(ctx, this_idx))
+ return -EINVAL;
+ break;
+
+ case BPF_LD | BPF_B | BPF_ABS:
+ case BPF_LD | BPF_H | BPF_ABS:
+ case BPF_LD | BPF_W | BPF_ABS:
+ case BPF_LD | BPF_DW | BPF_ABS:
+ ctx->flags |= EBPF_SAVE_RA;
+
+ gen_imm_to_reg(insn, MIPS_R_A1, ctx);
+ emit_instr(ctx, addiu, MIPS_R_A2, MIPS_R_ZERO, size_to_len(insn));
+
+ if (insn->imm < 0) {
+ emit_const_to_reg(ctx, MIPS_R_T9, (u64)bpf_internal_load_pointer_neg_helper);
+ } else {
+ emit_const_to_reg(ctx, MIPS_R_T9, (u64)ool_skb_header_pointer);
+ emit_instr(ctx, daddiu, MIPS_R_A3, MIPS_R_SP, ctx->tmp_offset);
+ }
+ goto ld_skb_common;
+
+ case BPF_LD | BPF_B | BPF_IND:
+ case BPF_LD | BPF_H | BPF_IND:
+ case BPF_LD | BPF_W | BPF_IND:
+ case BPF_LD | BPF_DW | BPF_IND:
+ ctx->flags |= EBPF_SAVE_RA;
+ src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
+ if (src < 0)
+ return src;
+ ts = get_reg_val_type(ctx, this_idx, insn->src_reg);
+ if (ts == REG_32BIT_ZERO_EX) {
+ /* sign extend */
+ emit_instr(ctx, sll, MIPS_R_A1, src, 0);
+ src = MIPS_R_A1;
+ }
+ if (insn->imm >= S16_MIN && insn->imm <= S16_MAX) {
+ emit_instr(ctx, daddiu, MIPS_R_A1, src, insn->imm);
+ } else {
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ emit_instr(ctx, daddu, MIPS_R_A1, MIPS_R_AT, src);
+ }
+ /* truncate to 32-bit int */
+ emit_instr(ctx, sll, MIPS_R_A1, MIPS_R_A1, 0);
+ emit_instr(ctx, daddiu, MIPS_R_A3, MIPS_R_SP, ctx->tmp_offset);
+ emit_instr(ctx, slt, MIPS_R_AT, MIPS_R_A1, MIPS_R_ZERO);
+
+ emit_const_to_reg(ctx, MIPS_R_T8, (u64)bpf_internal_load_pointer_neg_helper);
+ emit_const_to_reg(ctx, MIPS_R_T9, (u64)ool_skb_header_pointer);
+ emit_instr(ctx, addiu, MIPS_R_A2, MIPS_R_ZERO, size_to_len(insn));
+ emit_instr(ctx, movn, MIPS_R_T9, MIPS_R_T8, MIPS_R_AT);
+
+ld_skb_common:
+ emit_instr(ctx, jalr, MIPS_R_RA, MIPS_R_T9);
+ /* delay slot move */
+ emit_instr(ctx, daddu, MIPS_R_A0, MIPS_R_S0, MIPS_R_ZERO);
+
+ /* Check the error value */
+ b_off = b_imm(exit_idx, ctx);
+ if (is_bad_offset(b_off)) {
+ target = j_target(ctx, exit_idx);
+ if (target == (unsigned int)-1)
+ return -E2BIG;
+
+ if (!(ctx->offsets[this_idx] & OFFSETS_B_CONV)) {
+ ctx->offsets[this_idx] |= OFFSETS_B_CONV;
+ ctx->long_b_conversion = 1;
+ }
+ emit_instr(ctx, bne, MIPS_R_V0, MIPS_R_ZERO, 4 * 3);
+ emit_instr(ctx, nop);
+ emit_instr(ctx, j, target);
+ emit_instr(ctx, nop);
+ } else {
+ emit_instr(ctx, beq, MIPS_R_V0, MIPS_R_ZERO, b_off);
+ emit_instr(ctx, nop);
+ }
+
+#ifdef __BIG_ENDIAN
+ need_swap = false;
+#else
+ need_swap = true;
+#endif
+ dst = MIPS_R_V0;
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_B:
+ emit_instr(ctx, lbu, dst, 0, MIPS_R_V0);
+ break;
+ case BPF_H:
+ emit_instr(ctx, lhu, dst, 0, MIPS_R_V0);
+ if (need_swap)
+ emit_instr(ctx, wsbh, dst, dst);
+ break;
+ case BPF_W:
+ emit_instr(ctx, lw, dst, 0, MIPS_R_V0);
+ if (need_swap) {
+ emit_instr(ctx, wsbh, dst, dst);
+ emit_instr(ctx, rotr, dst, dst, 16);
+ }
+ break;
+ case BPF_DW:
+ emit_instr(ctx, ld, dst, 0, MIPS_R_V0);
+ if (need_swap) {
+ emit_instr(ctx, dsbh, dst, dst);
+ emit_instr(ctx, dshd, dst, dst);
+ }
+ break;
+ }
+
+ break;
+ case BPF_ALU | BPF_END | BPF_FROM_BE:
+ case BPF_ALU | BPF_END | BPF_FROM_LE:
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ td = get_reg_val_type(ctx, this_idx, insn->dst_reg);
+ if (insn->imm == 64 && td == REG_32BIT)
+ emit_instr(ctx, dinsu, dst, MIPS_R_ZERO, 32, 32);
+
+ if (insn->imm != 64 &&
+ (td == REG_64BIT || td == REG_32BIT_ZERO_EX)) {
+ /* sign extend */
+ emit_instr(ctx, sll, dst, dst, 0);
+ }
+
+#ifdef __BIG_ENDIAN
+ need_swap = (BPF_SRC(insn->code) == BPF_FROM_LE);
+#else
+ need_swap = (BPF_SRC(insn->code) == BPF_FROM_BE);
+#endif
+ if (insn->imm == 16) {
+ if (need_swap)
+ emit_instr(ctx, wsbh, dst, dst);
+ emit_instr(ctx, andi, dst, dst, 0xffff);
+ } else if (insn->imm == 32) {
+ if (need_swap) {
+ emit_instr(ctx, wsbh, dst, dst);
+ emit_instr(ctx, rotr, dst, dst, 16);
+ }
+ } else { /* 64-bit*/
+ if (need_swap) {
+ emit_instr(ctx, dsbh, dst, dst);
+ emit_instr(ctx, dshd, dst, dst);
+ }
+ }
+ break;
+
+ case BPF_ST | BPF_B | BPF_MEM:
+ case BPF_ST | BPF_H | BPF_MEM:
+ case BPF_ST | BPF_W | BPF_MEM:
+ case BPF_ST | BPF_DW | BPF_MEM:
+ if (insn->dst_reg == BPF_REG_10) {
+ ctx->flags |= EBPF_SEEN_FP;
+ dst = MIPS_R_SP;
+ mem_off = insn->off + MAX_BPF_STACK;
+ } else {
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ mem_off = insn->off;
+ }
+ gen_imm_to_reg(insn, MIPS_R_AT, ctx);
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_B:
+ emit_instr(ctx, sb, MIPS_R_AT, mem_off, dst);
+ break;
+ case BPF_H:
+ emit_instr(ctx, sh, MIPS_R_AT, mem_off, dst);
+ break;
+ case BPF_W:
+ emit_instr(ctx, sw, MIPS_R_AT, mem_off, dst);
+ break;
+ case BPF_DW:
+ emit_instr(ctx, sd, MIPS_R_AT, mem_off, dst);
+ break;
+ }
+ break;
+
+ case BPF_LDX | BPF_B | BPF_MEM:
+ case BPF_LDX | BPF_H | BPF_MEM:
+ case BPF_LDX | BPF_W | BPF_MEM:
+ case BPF_LDX | BPF_DW | BPF_MEM:
+ if (insn->src_reg == BPF_REG_10) {
+ ctx->flags |= EBPF_SEEN_FP;
+ src = MIPS_R_SP;
+ mem_off = insn->off + MAX_BPF_STACK;
+ } else {
+ src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
+ if (src < 0)
+ return src;
+ mem_off = insn->off;
+ }
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_B:
+ emit_instr(ctx, lbu, dst, mem_off, src);
+ break;
+ case BPF_H:
+ emit_instr(ctx, lhu, dst, mem_off, src);
+ break;
+ case BPF_W:
+ emit_instr(ctx, lw, dst, mem_off, src);
+ break;
+ case BPF_DW:
+ emit_instr(ctx, ld, dst, mem_off, src);
+ break;
+ }
+ break;
+
+ case BPF_STX | BPF_B | BPF_MEM:
+ case BPF_STX | BPF_H | BPF_MEM:
+ case BPF_STX | BPF_W | BPF_MEM:
+ case BPF_STX | BPF_DW | BPF_MEM:
+ case BPF_STX | BPF_W | BPF_XADD:
+ case BPF_STX | BPF_DW | BPF_XADD:
+ if (insn->dst_reg == BPF_REG_10) {
+ ctx->flags |= EBPF_SEEN_FP;
+ dst = MIPS_R_SP;
+ mem_off = insn->off + MAX_BPF_STACK;
+ } else {
+ dst = ebpf_to_mips_reg(ctx, insn, dst_reg);
+ if (dst < 0)
+ return dst;
+ mem_off = insn->off;
+ }
+ src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
+ if (src < 0)
+ return dst;
+ if (BPF_MODE(insn->code) == BPF_XADD) {
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_W:
+ if (get_reg_val_type(ctx, this_idx, insn->src_reg) == REG_32BIT) {
+ emit_instr(ctx, sll, MIPS_R_AT, src, 0);
+ src = MIPS_R_AT;
+ }
+ emit_instr(ctx, ll, MIPS_R_T8, mem_off, dst);
+ emit_instr(ctx, addu, MIPS_R_T8, MIPS_R_T8, src);
+ emit_instr(ctx, sc, MIPS_R_T8, mem_off, dst);
+ /*
+ * On failure back up to LL (-4
+ * instructions of 4 bytes each
+ */
+ emit_instr(ctx, beq, MIPS_R_T8, MIPS_R_ZERO, -4 * 4);
+ emit_instr(ctx, nop);
+ break;
+ case BPF_DW:
+ if (get_reg_val_type(ctx, this_idx, insn->src_reg) == REG_32BIT) {
+ emit_instr(ctx, daddu, MIPS_R_AT, src, MIPS_R_ZERO);
+ emit_instr(ctx, dinsu, MIPS_R_AT, MIPS_R_ZERO, 32, 32);
+ src = MIPS_R_AT;
+ }
+ emit_instr(ctx, lld, MIPS_R_T8, mem_off, dst);
+ emit_instr(ctx, daddu, MIPS_R_T8, MIPS_R_T8, src);
+ emit_instr(ctx, scd, MIPS_R_T8, mem_off, dst);
+ emit_instr(ctx, beq, MIPS_R_T8, MIPS_R_ZERO, -4 * 4);
+ emit_instr(ctx, nop);
+ break;
+ }
+ } else { /* BPF_MEM */
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_B:
+ emit_instr(ctx, sb, src, mem_off, dst);
+ break;
+ case BPF_H:
+ emit_instr(ctx, sh, src, mem_off, dst);
+ break;
+ case BPF_W:
+ emit_instr(ctx, sw, src, mem_off, dst);
+ break;
+ case BPF_DW:
+ if (get_reg_val_type(ctx, this_idx, insn->src_reg) == REG_32BIT) {
+ emit_instr(ctx, daddu, MIPS_R_AT, src, MIPS_R_ZERO);
+ emit_instr(ctx, dinsu, MIPS_R_AT, MIPS_R_ZERO, 32, 32);
+ src = MIPS_R_AT;
+ }
+ emit_instr(ctx, sd, src, mem_off, dst);
+ break;
+ }
+ }
+ break;
+
+ default:
+ pr_err("NOT HANDLED %d - (%02x)\n",
+ this_idx, (unsigned int)insn->code);
+ return -EINVAL;
+ }
+ return 1;
+}
+
+#define RVT_VISITED_MASK 0xc000000000000000ull
+#define RVT_FALL_THROUGH 0x4000000000000000ull
+#define RVT_BRANCH_TAKEN 0x8000000000000000ull
+#define RVT_DONE (RVT_FALL_THROUGH | RVT_BRANCH_TAKEN)
+
+static int build_int_body(struct jit_ctx *ctx)
+{
+ const struct bpf_prog *prog = ctx->skf;
+ const struct bpf_insn *insn;
+ int i, r;
+
+ for (i = 0; i < prog->len; ) {
+ insn = prog->insnsi + i;
+ if ((ctx->reg_val_types[i] & RVT_VISITED_MASK) == 0) {
+ /* dead instruction, don't emit it. */
+ i++;
+ continue;
+ }
+
+ if (ctx->target == NULL)
+ ctx->offsets[i] = (ctx->offsets[i] & OFFSETS_B_CONV) | (ctx->idx * 4);
+
+ r = build_one_insn(insn, ctx, i, prog->len);
+ if (r < 0)
+ return r;
+ i += r;
+ }
+ /* epilogue offset */
+ if (ctx->target == NULL)
+ ctx->offsets[i] = ctx->idx * 4;
+
+ /*
+ * All exits have an offset of the epilogue, some offsets may
+ * not have been set due to banch-around threading, so set
+ * them now.
+ */
+ if (ctx->target == NULL)
+ for (i = 0; i < prog->len; i++) {
+ insn = prog->insnsi + i;
+ if (insn->code == (BPF_JMP | BPF_EXIT))
+ ctx->offsets[i] = ctx->idx * 4;
+ }
+ return 0;
+}
+
+/* return the last idx processed, or negative for error */
+static int reg_val_propagate_range(struct jit_ctx *ctx, u64 initial_rvt,
+ int start_idx, bool follow_taken)
+{
+ const struct bpf_prog *prog = ctx->skf;
+ const struct bpf_insn *insn;
+ u64 exit_rvt = initial_rvt;
+ u64 *rvt = ctx->reg_val_types;
+ int idx;
+ int reg;
+
+ for (idx = start_idx; idx < prog->len; idx++) {
+ rvt[idx] = (rvt[idx] & RVT_VISITED_MASK) | exit_rvt;
+ insn = prog->insnsi + idx;
+ switch (BPF_CLASS(insn->code)) {
+ case BPF_ALU:
+ switch (BPF_OP(insn->code)) {
+ case BPF_ADD:
+ case BPF_SUB:
+ case BPF_MUL:
+ case BPF_DIV:
+ case BPF_OR:
+ case BPF_AND:
+ case BPF_LSH:
+ case BPF_RSH:
+ case BPF_NEG:
+ case BPF_MOD:
+ case BPF_XOR:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ break;
+ case BPF_MOV:
+ if (BPF_SRC(insn->code)) {
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ } else {
+ /* IMM to REG move*/
+ if (insn->imm >= 0)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ else
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ }
+ break;
+ case BPF_END:
+ if (insn->imm == 64)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ else if (insn->imm == 32)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ else /* insn->imm == 16 */
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ break;
+ }
+ rvt[idx] |= RVT_DONE;
+ break;
+ case BPF_ALU64:
+ switch (BPF_OP(insn->code)) {
+ case BPF_MOV:
+ if (BPF_SRC(insn->code)) {
+ /* REG to REG move*/
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ } else {
+ /* IMM to REG move*/
+ if (insn->imm >= 0)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ else
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT_32BIT);
+ }
+ break;
+ default:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ }
+ rvt[idx] |= RVT_DONE;
+ break;
+ case BPF_LD:
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_DW:
+ if (BPF_MODE(insn->code) == BPF_IMM) {
+ s64 val;
+
+ val = (s64)((u32)insn->imm | ((u64)(insn + 1)->imm << 32));
+ if (val > 0 && val <= S32_MAX)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ else if (val >= S32_MIN && val <= S32_MAX)
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT_32BIT);
+ else
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ rvt[idx] |= RVT_DONE;
+ idx++;
+ } else {
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ }
+ break;
+ case BPF_B:
+ case BPF_H:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ break;
+ case BPF_W:
+ if (BPF_MODE(insn->code) == BPF_IMM)
+ set_reg_val_type(&exit_rvt, insn->dst_reg,
+ insn->imm >= 0 ? REG_32BIT_POS : REG_32BIT);
+ else
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ break;
+ }
+ rvt[idx] |= RVT_DONE;
+ break;
+ case BPF_LDX:
+ switch (BPF_SIZE(insn->code)) {
+ case BPF_DW:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_64BIT);
+ break;
+ case BPF_B:
+ case BPF_H:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT_POS);
+ break;
+ case BPF_W:
+ set_reg_val_type(&exit_rvt, insn->dst_reg, REG_32BIT);
+ break;
+ }
+ rvt[idx] |= RVT_DONE;
+ break;
+ case BPF_JMP:
+ switch (BPF_OP(insn->code)) {
+ case BPF_EXIT:
+ rvt[idx] = RVT_DONE | exit_rvt;
+ rvt[prog->len] = exit_rvt;
+ return idx;
+ case BPF_JA:
+ rvt[idx] |= RVT_DONE;
+ idx += insn->off;
+ break;
+ case BPF_JEQ:
+ case BPF_JGT:
+ case BPF_JGE:
+ case BPF_JSET:
+ case BPF_JNE:
+ case BPF_JSGT:
+ case BPF_JSGE:
+ if (follow_taken) {
+ rvt[idx] |= RVT_BRANCH_TAKEN;
+ idx += insn->off;
+ follow_taken = false;
+ } else {
+ rvt[idx] |= RVT_FALL_THROUGH;
+ }
+ break;
+ case BPF_CALL:
+ set_reg_val_type(&exit_rvt, BPF_REG_0, REG_64BIT);
+ /* Upon call return, argument registers are clobbered. */
+ for (reg = BPF_REG_0; reg <= BPF_REG_5; reg++)
+ set_reg_val_type(&exit_rvt, reg, REG_64BIT);
+
+ rvt[idx] |= RVT_DONE;
+ break;
+ default:
+ WARN(1, "Unhandled BPF_JMP case.\n");
+ rvt[idx] |= RVT_DONE;
+ break;
+ }
+ break;
+ default:
+ rvt[idx] |= RVT_DONE;
+ break;
+ }
+ }
+ return idx;
+}
+
+/*
+ * Track the value range (i.e. 32-bit vs. 64-bit) of each register at
+ * each eBPF insn. This allows unneeded sign and zero extension
+ * operations to be omitted.
+ *
+ * Doesn't handle yet confluence of control paths with conflicting
+ * ranges, but it is good enough for most sane code.
+ */
+static int reg_val_propagate(struct jit_ctx *ctx)
+{
+ const struct bpf_prog *prog = ctx->skf;
+ u64 exit_rvt;
+ int reg;
+ int i;
+
+ /*
+ * 11 registers * 3 bits/reg leaves top bits free for other
+ * uses. Bit-62..63 used to see if we have visited an insn.
+ */
+ exit_rvt = 0;
+
+ /* Upon entry, argument registers are 64-bit. */
+ for (reg = BPF_REG_1; reg <= BPF_REG_5; reg++)
+ set_reg_val_type(&exit_rvt, reg, REG_64BIT);
+
+ /*
+ * First follow all conditional branches on the fall-through
+ * edge of control flow..
+ */
+ reg_val_propagate_range(ctx, exit_rvt, 0, false);
+restart_search:
+ /*
+ * Then repeatedly find the first conditional branch where
+ * both edges of control flow have not been taken, and follow
+ * the branch taken edge. We will end up restarting the
+ * search once per conditional branch insn.
+ */
+ for (i = 0; i < prog->len; i++) {
+ u64 rvt = ctx->reg_val_types[i];
+
+ if ((rvt & RVT_VISITED_MASK) == RVT_DONE ||
+ (rvt & RVT_VISITED_MASK) == 0)
+ continue;
+ if ((rvt & RVT_VISITED_MASK) == RVT_FALL_THROUGH) {
+ reg_val_propagate_range(ctx, rvt & ~RVT_VISITED_MASK, i, true);
+ } else { /* RVT_BRANCH_TAKEN */
+ WARN(1, "Unexpected RVT_BRANCH_TAKEN case.\n");
+ reg_val_propagate_range(ctx, rvt & ~RVT_VISITED_MASK, i, false);
+ }
+ goto restart_search;
+ }
+ /*
+ * Eventually all conditional branches have been followed on
+ * both branches and we are done. Any insn that has not been
+ * visited at this point is dead.
+ */
+
+ return 0;
+}
+
+static void jit_fill_hole(void *area, unsigned int size)
+{
+ u32 *p;
+
+ /* We are guaranteed to have aligned memory. */
+ for (p = area; size >= sizeof(u32); size -= sizeof(u32))
+ uasm_i_break(&p, BRK_BUG); /* Increments p */
+}
+
+struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
+{
+ struct bpf_prog *orig_prog = prog;
+ bool tmp_blinded = false;
+ struct bpf_prog *tmp;
+ struct bpf_binary_header *header = NULL;
+ struct jit_ctx ctx;
+ unsigned int image_size;
+ u8 *image_ptr;
+
+ if (!bpf_jit_enable || !cpu_has_mips64r2)
+ return prog;
+
+ tmp = bpf_jit_blind_constants(prog);
+ /* If blinding was requested and we failed during blinding,
+ * we must fall back to the interpreter.
+ */
+ if (IS_ERR(tmp))
+ return orig_prog;
+ if (tmp != prog) {
+ tmp_blinded = true;
+ prog = tmp;
+ }
+
+ memset(&ctx, 0, sizeof(ctx));
+
+ ctx.offsets = kcalloc(prog->len + 1, sizeof(*ctx.offsets), GFP_KERNEL);
+ if (ctx.offsets == NULL)
+ goto out_err;
+
+ ctx.reg_val_types = kcalloc(prog->len + 1, sizeof(*ctx.reg_val_types), GFP_KERNEL);
+ if (ctx.reg_val_types == NULL)
+ goto out_err;
+
+ ctx.skf = prog;
+
+ if (reg_val_propagate(&ctx))
+ goto out_err;
+
+ /*
+ * First pass discovers used resources and instruction offsets
+ * assuming short branches are used.
+ */
+ if (build_int_body(&ctx))
+ goto out_err;
+
+ /*
+ * If no calls are made (EBPF_SAVE_RA), then tail call count
+ * in $v1, else we must save in n$s4.
+ */
+ if (ctx.flags & EBPF_SEEN_TC) {
+ if (ctx.flags & EBPF_SAVE_RA)
+ ctx.flags |= EBPF_SAVE_S4;
+ else
+ ctx.flags |= EBPF_TCC_IN_V1;
+ }
+
+ /*
+ * Second pass generates offsets, if any branches are out of
+ * range a jump-around long sequence is generated, and we have
+ * to try again from the beginning to generate the new
+ * offsets. This is done until no additional conversions are
+ * necessary.
+ */
+ do {
+ ctx.idx = 0;
+ ctx.gen_b_offsets = 1;
+ ctx.long_b_conversion = 0;
+ if (gen_int_prologue(&ctx))
+ goto out_err;
+ if (build_int_body(&ctx))
+ goto out_err;
+ if (build_int_epilogue(&ctx, MIPS_R_RA))
+ goto out_err;
+ } while (ctx.long_b_conversion);
+
+ image_size = 4 * ctx.idx;
+
+ header = bpf_jit_binary_alloc(image_size, &image_ptr,
+ sizeof(u32), jit_fill_hole);
+ if (header == NULL)
+ goto out_err;
+
+ ctx.target = (u32 *)image_ptr;
+
+ /* Third pass generates the code */
+ ctx.idx = 0;
+ if (gen_int_prologue(&ctx))
+ goto out_err;
+ if (build_int_body(&ctx))
+ goto out_err;
+ if (build_int_epilogue(&ctx, MIPS_R_RA))
+ goto out_err;
+
+ /* Update the icache */
+ flush_icache_range((unsigned long)ctx.target,
+ (unsigned long)(ctx.target + ctx.idx * sizeof(u32)));
+
+ if (bpf_jit_enable > 1)
+ /* Dump JIT code */
+ bpf_jit_dump(prog->len, image_size, 2, ctx.target);
+
+ bpf_jit_binary_lock_ro(header);
+ prog->bpf_func = (void *)ctx.target;
+ prog->jited = 1;
+ prog->jited_len = image_size;
+out_normal:
+ if (tmp_blinded)
+ bpf_jit_prog_release_other(prog, prog == orig_prog ?
+ tmp : orig_prog);
+ kfree(ctx.offsets);
+ kfree(ctx.reg_val_types);
+
+ return prog;
+
+out_err:
+ prog = orig_prog;
+ if (header)
+ bpf_jit_binary_free(header);
+ goto out_normal;
+}
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index bd67ac7..9632436 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -28,16 +28,15 @@
static int __init pcibios_set_cache_line_size(void)
{
- struct cpuinfo_mips *c = ¤t_cpu_data;
unsigned int lsize;
/*
* Set PCI cacheline size to that of the highest level in the
* cache hierarchy.
*/
- lsize = c->dcache.linesz;
- lsize = c->scache.linesz ? : lsize;
- lsize = c->tcache.linesz ? : lsize;
+ lsize = cpu_dcache_line_size();
+ lsize = cpu_scache_line_size() ? : lsize;
+ lsize = cpu_tcache_line_size() ? : lsize;
BUG_ON(!lsize);
diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c
index 094a0ee..9be8b08 100644
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/bug.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
diff --git a/arch/mips/vdso/gettimeofday.c b/arch/mips/vdso/gettimeofday.c
index 974276e..e2690d7 100644
--- a/arch/mips/vdso/gettimeofday.c
+++ b/arch/mips/vdso/gettimeofday.c
@@ -35,7 +35,8 @@
" syscall\n"
: "=r" (ret), "=r" (error)
: "r" (tv), "r" (tz), "r" (nr)
- : "memory");
+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ "$14", "$15", "$24", "$25", "hi", "lo", "memory");
return error ? -ret : ret;
}
@@ -55,7 +56,8 @@
" syscall\n"
: "=r" (ret), "=r" (error)
: "r" (clkid), "r" (ts), "r" (nr)
- : "memory");
+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
+ "$14", "$15", "$24", "$25", "hi", "lo", "memory");
return error ? -ret : ret;
}
diff --git a/arch/mn10300/include/asm/bug.h b/arch/mn10300/include/asm/bug.h
index aa6a388..811414f 100644
--- a/arch/mn10300/include/asm/bug.h
+++ b/arch/mn10300/include/asm/bug.h
@@ -21,7 +21,7 @@
asm volatile( \
" syscall 15 \n" \
"0: \n" \
- " .section __bug_table,\"a\" \n" \
+ " .section __bug_table,\"aw\" \n" \
" .long 0b,%0,%1 \n" \
" .previous \n" \
: \
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 531da9e..dda1f55 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -47,6 +47,9 @@
and later HP3000 series). The PA-RISC Linux project home page is
at <http://www.parisc-linux.org/>.
+config CPU_BIG_ENDIAN
+ def_bool y
+
config MMU
def_bool y
diff --git a/arch/parisc/configs/712_defconfig b/arch/parisc/configs/712_defconfig
index 143d026..ccc1097 100644
--- a/arch/parisc/configs/712_defconfig
+++ b/arch/parisc/configs/712_defconfig
@@ -1,11 +1,9 @@
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
-CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_ALL=y
CONFIG_SLAB=y
@@ -14,7 +12,6 @@
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
CONFIG_PA7100LC=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_GSC_LASI=y
@@ -32,11 +29,9 @@
CONFIG_IP_PNP_BOOTP=y
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
-# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
-CONFIG_IP_NF_QUEUE=m
CONFIG_LLC2=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
@@ -65,21 +60,20 @@
CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
CONFIG_BONDING=m
+CONFIG_DUMMY=m
CONFIG_TUN=m
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=m
CONFIG_LASI_82596=y
CONFIG_PPP=m
-CONFIG_PPP_ASYNC=m
-CONFIG_PPP_SYNC_TTY=m
-CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
CONFIG_PPP_MPPE=m
CONFIG_PPPOE=m
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
# CONFIG_KEYBOARD_HIL_OLD is not set
CONFIG_MOUSE_SERIAL=m
+CONFIG_LEGACY_PTY_COUNT=64
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=17
@@ -88,22 +82,17 @@
CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_SERIAL_MUX is not set
CONFIG_PDC_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=64
CONFIG_PRINTER=m
CONFIG_PPDEV=m
# CONFIG_HW_RANDOM is not set
CONFIG_RAW_DRIVER=y
# CONFIG_HWMON is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_DUMMY_CONSOLE_COLUMNS=128
CONFIG_DUMMY_CONSOLE_ROWS=48
CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_FONTS=y
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
@@ -111,13 +100,9 @@
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SEQUENCER=y
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
-CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_HARMONY=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_JFS_FS=m
CONFIG_XFS_FS=m
CONFIG_AUTOFS4_FS=y
@@ -130,14 +115,10 @@
CONFIG_TMPFS=y
CONFIG_UFS_FS=m
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_NFS_V4=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=m
CONFIG_NFSD_V4=y
-CONFIG_RPCSEC_GSS_SPKM3=m
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
CONFIG_CIFS=m
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_737=m
@@ -177,21 +158,16 @@
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
CONFIG_NLS_UTF8=m
-CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
+CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_MUTEXES=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
-CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAST6=m
@@ -200,6 +176,7 @@
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_DEFLATE=m
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
-CONFIG_LIBCRC32C=m
+CONFIG_FONTS=y
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
diff --git a/arch/parisc/configs/a500_defconfig b/arch/parisc/configs/a500_defconfig
index 1a4f776..5acb93d 100644
--- a/arch/parisc/configs/a500_defconfig
+++ b/arch/parisc/configs/a500_defconfig
@@ -1,13 +1,10 @@
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
-CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
CONFIG_SLAB=y
@@ -16,7 +13,6 @@
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
CONFIG_PA8X00=y
CONFIG_64BIT=y
CONFIG_SMP=y
@@ -43,21 +39,17 @@
CONFIG_IP_PNP_BOOTP=y
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
-# CONFIG_INET_LRO is not set
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
-CONFIG_IP_NF_QUEUE=m
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_TTL=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_MANGLE=m
CONFIG_IP_NF_TARGET_ECN=m
CONFIG_IP_NF_RAW=m
@@ -70,7 +62,6 @@
CONFIG_IP6_NF_MATCH_HL=m
CONFIG_IP6_NF_MATCH_IPV6HEADER=m
CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_TARGET_LOG=m
CONFIG_IP6_NF_FILTER=m
CONFIG_IP6_NF_TARGET_REJECT=m
CONFIG_IP6_NF_MANGLE=m
@@ -94,7 +85,6 @@
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=y
-CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_SCSI_SYM53C8XX_2=y
CONFIG_SCSI_QLOGIC_1280=m
@@ -106,43 +96,38 @@
CONFIG_MD_RAID1=y
CONFIG_FUSION=y
CONFIG_FUSION_SPI=m
-CONFIG_FUSION_FC=m
CONFIG_FUSION_CTL=m
CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
CONFIG_BONDING=m
+CONFIG_DUMMY=m
CONFIG_TUN=m
-CONFIG_NET_ETHERNET=y
-CONFIG_NET_VENDOR_3COM=y
+CONFIG_PCMCIA_3C574=m
+CONFIG_PCMCIA_3C589=m
CONFIG_VORTEX=m
CONFIG_TYPHOON=m
+CONFIG_ACENIC=m
+CONFIG_ACENIC_OMIT_TIGON_I=y
+CONFIG_PCNET32=m
+CONFIG_TIGON3=m
CONFIG_NET_TULIP=y
CONFIG_DE2104X=m
CONFIG_TULIP=y
CONFIG_TULIP_MMIO=y
CONFIG_PCMCIA_XIRCOM=m
CONFIG_HP100=m
-CONFIG_NET_PCI=y
-CONFIG_PCNET32=m
CONFIG_E100=m
-CONFIG_ACENIC=m
-CONFIG_ACENIC_OMIT_TIGON_I=y
CONFIG_E1000=m
-CONFIG_TIGON3=m
-CONFIG_NET_PCMCIA=y
-CONFIG_PCMCIA_3C589=m
-CONFIG_PCMCIA_3C574=m
CONFIG_PCMCIA_SMC91C92=m
CONFIG_PCMCIA_XIRC2PS=m
CONFIG_PPP=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
-CONFIG_PPP_DEFLATE=m
-CONFIG_PPP_BSDCOMP=m
-# CONFIG_INPUT_MOUSEDEV is not set
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
# CONFIG_SERIO is not set
+# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_CS=m
@@ -151,7 +136,6 @@
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_PDC_CONSOLE=y
-# CONFIG_LEGACY_PTYS is not set
# CONFIG_HW_RANDOM is not set
CONFIG_RAW_DRIVER=y
# CONFIG_HWMON is not set
@@ -160,7 +144,6 @@
# CONFIG_STI_CONSOLE is not set
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_JFS_FS=m
CONFIG_XFS_FS=m
CONFIG_AUTOFS4_FS=y
@@ -173,13 +156,9 @@
CONFIG_TMPFS=y
CONFIG_UFS_FS=m
CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
CONFIG_NFSD=m
CONFIG_NFSD_V4=y
-CONFIG_RPCSEC_GSS_SPKM3=m
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
CONFIG_CIFS=m
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_850=m
@@ -187,17 +166,12 @@
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m
-CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
-CONFIG_DEBUG_KERNEL=y
+CONFIG_MAGIC_SYSRQ=y
# CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_BLOWFISH=m
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
-CONFIG_LIBCRC32C=m
diff --git a/arch/parisc/configs/b180_defconfig b/arch/parisc/configs/b180_defconfig
index f1a0c25..83ffd16 100644
--- a/arch/parisc/configs/b180_defconfig
+++ b/arch/parisc/configs/b180_defconfig
@@ -3,7 +3,6 @@
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
-CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -25,8 +24,6 @@
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_BOOTP=y
-# CONFIG_INET_LRO is not set
-CONFIG_IPV6=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
@@ -53,10 +50,9 @@
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
-CONFIG_LASI_82596=y
CONFIG_NET_TULIP=y
CONFIG_TULIP=y
+CONFIG_LASI_82596=y
CONFIG_PPP=y
CONFIG_INPUT_EVDEV=y
# CONFIG_KEYBOARD_HIL_OLD is not set
@@ -71,40 +67,31 @@
CONFIG_PRINTER=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SEQUENCER=y
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
-CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_HARMONY=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_AUTOFS4_FS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
CONFIG_NFSD_V3=y
-CONFIG_SMB_FS=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_ASCII=m
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m
-CONFIG_MAGIC_SYSRQ=y
CONFIG_HEADERS_CHECK=y
+CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_SECURITY=y
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
diff --git a/arch/parisc/configs/c3000_defconfig b/arch/parisc/configs/c3000_defconfig
index 8e8f0e3..0764d39 100644
--- a/arch/parisc/configs/c3000_defconfig
+++ b/arch/parisc/configs/c3000_defconfig
@@ -1,12 +1,9 @@
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
-CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
CONFIG_SLAB=y
@@ -15,7 +12,6 @@
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
CONFIG_PA8X00=y
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_GSC is not set
@@ -31,13 +27,11 @@
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_BOOTP=y
-# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
CONFIG_INET6_IPCOMP=m
CONFIG_IPV6_TUNNEL=m
CONFIG_NETFILTER=y
CONFIG_NETFILTER_DEBUG=y
-CONFIG_IP_NF_QUEUE=m
CONFIG_NET_PKTGEN=m
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
@@ -50,13 +44,11 @@
CONFIG_IDE=y
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_NS87415=y
-CONFIG_PATA_SIL680=m
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=y
-CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_SCSI_SYM53C8XX_2=y
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
@@ -76,28 +68,23 @@
CONFIG_FUSION_SPI=m
CONFIG_FUSION_CTL=m
CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
CONFIG_BONDING=m
+CONFIG_DUMMY=m
CONFIG_TUN=m
-CONFIG_NET_ETHERNET=y
+CONFIG_ACENIC=m
+CONFIG_TIGON3=m
CONFIG_NET_TULIP=y
CONFIG_DE2104X=m
CONFIG_TULIP=y
CONFIG_TULIP_MMIO=y
-CONFIG_NET_PCI=y
CONFIG_E100=m
-CONFIG_ACENIC=m
CONFIG_E1000=m
-CONFIG_TIGON3=m
CONFIG_PPP=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPPOE=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
-CONFIG_PPP_DEFLATE=m
-CONFIG_PPP_BSDCOMP=m
-CONFIG_PPPOE=m
-# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1600
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1200
# CONFIG_KEYBOARD_ATKBD is not set
# CONFIG_MOUSE_PS2 is not set
CONFIG_SERIO=m
@@ -111,7 +98,6 @@
# CONFIG_HW_RANDOM is not set
CONFIG_RAW_DRIVER=y
# CONFIG_HWMON is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
@@ -121,9 +107,6 @@
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SEQUENCER=y
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
-CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_AD1889=y
CONFIG_USB_HIDDEV=y
CONFIG_USB=y
@@ -139,7 +122,6 @@
CONFIG_USB_LEGOTOWER=m
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_FS_XATTR is not set
CONFIG_XFS_FS=m
CONFIG_AUTOFS4_FS=y
CONFIG_ISO9660_FS=y
@@ -149,7 +131,6 @@
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
CONFIG_NFSD_V3=y
@@ -159,18 +140,13 @@
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_UTF8=m
-CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
-CONFIG_DEBUG_KERNEL=y
+CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_MUTEXES=y
# CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_MD5=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_DES=m
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
-CONFIG_LIBCRC32C=m
diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig
index f6a4c01..088ab94 100644
--- a/arch/parisc/configs/c8000_defconfig
+++ b/arch/parisc/configs/c8000_defconfig
@@ -1,16 +1,13 @@
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
+# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
-CONFIG_RD_LZO=y
CONFIG_EXPERT=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_SLAB=y
@@ -23,7 +20,6 @@
CONFIG_64BIT=y
CONFIG_SMP=y
CONFIG_PREEMPT=y
-# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_IOMMU_CCIO=y
CONFIG_PCI=y
CONFIG_PCI_LBA=y
@@ -146,7 +142,6 @@
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
# CONFIG_FB_STI is not set
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
# CONFIG_BACKLIGHT_GENERIC is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
@@ -157,12 +152,9 @@
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_SOUND=m
CONFIG_SND=m
+CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_SEQUENCER=m
CONFIG_SND_SEQ_DUMMY=m
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
-CONFIG_SND_SEQUENCER_OSS=y
-CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_AD1889=m
# CONFIG_SND_USB is not set
# CONFIG_SND_GSC is not set
@@ -174,8 +166,6 @@
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
-CONFIG_EXT4_FS=m
CONFIG_REISERFS_FS=m
CONFIG_REISERFS_PROC_INFO=y
CONFIG_XFS_FS=m
@@ -238,11 +228,8 @@
CONFIG_DEBUG_SLAB_LEAK=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
-CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_DEBUG_RT_MUTEXES=y
-CONFIG_PROVE_RCU_DELAY=y
CONFIG_DEBUG_BLOCK_EXT_DEVT=y
CONFIG_LATENCYTOP=y
CONFIG_KEYS=y
diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig
index 310b665..52c9050 100644
--- a/arch/parisc/configs/default_defconfig
+++ b/arch/parisc/configs/default_defconfig
@@ -1,11 +1,9 @@
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
-CONFIG_SYSFS_DEPRECATED_V2=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_ALL=y
CONFIG_SLAB=y
@@ -41,9 +39,7 @@
CONFIG_IP_PNP_BOOTP=y
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
-# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
-CONFIG_IPV6=y
CONFIG_INET6_AH=y
CONFIG_INET6_ESP=y
CONFIG_INET6_IPCOMP=y
@@ -82,26 +78,23 @@
CONFIG_MD_RAID10=y
CONFIG_BLK_DEV_DM=y
CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
CONFIG_BONDING=m
+CONFIG_DUMMY=m
CONFIG_TUN=m
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=m
-CONFIG_LASI_82596=y
-CONFIG_NET_TULIP=y
-CONFIG_TULIP=y
-CONFIG_NET_PCI=y
CONFIG_ACENIC=y
CONFIG_TIGON3=y
-CONFIG_NET_PCMCIA=y
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=y
+CONFIG_LASI_82596=y
CONFIG_PPP=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPPOE=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
-CONFIG_PPP_DEFLATE=m
-CONFIG_PPP_BSDCOMP=m
-CONFIG_PPPOE=m
# CONFIG_KEYBOARD_HIL_OLD is not set
CONFIG_MOUSE_SERIAL=y
+CONFIG_LEGACY_PTY_COUNT=64
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_CS=y
@@ -109,31 +102,24 @@
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
-CONFIG_LEGACY_PTY_COUNT=64
CONFIG_PRINTER=m
CONFIG_PPDEV=m
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=m
CONFIG_FB=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_DUMMY_CONSOLE_COLUMNS=128
CONFIG_DUMMY_CONSOLE_ROWS=48
CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_FONTS=y
-CONFIG_FONT_8x16=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_SOUND=y
CONFIG_SND=y
-CONFIG_SND_SEQUENCER=y
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
-CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_DYNAMIC_MINORS=y
+CONFIG_SND_SEQUENCER=y
CONFIG_SND_AD1889=y
CONFIG_SND_HARMONY=y
CONFIG_HID_GYRATION=y
@@ -141,7 +127,6 @@
CONFIG_HID_PANTHERLORD=y
CONFIG_HID_PETALYNX=y
CONFIG_HID_SAMSUNG=y
-CONFIG_HID_SONY=y
CONFIG_HID_SUNPLUS=y
CONFIG_HID_TOPSEED=y
CONFIG_USB=y
@@ -150,21 +135,15 @@
CONFIG_USB_UHCI_HCD=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_FS_XATTR is not set
-CONFIG_AUTOFS_FS=y
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_VFAT_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_NFSD=y
CONFIG_NFSD_V4=y
-CONFIG_RPCSEC_GSS_SPKM3=m
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
CONFIG_CIFS=m
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=m
@@ -204,30 +183,24 @@
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
CONFIG_NLS_UTF8=y
-CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
+CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_MUTEXES=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_KEYS=y
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_TEST=m
-CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
-CONFIG_CRYPTO_AES=m
CONFIG_CRYPTO_ANUBIS=m
-CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
CONFIG_LIBCRC32C=m
+CONFIG_FONTS=y
diff --git a/arch/parisc/configs/generic-32bit_defconfig b/arch/parisc/configs/generic-32bit_defconfig
index 8688ba7..37ae4b5 100644
--- a/arch/parisc/configs/generic-32bit_defconfig
+++ b/arch/parisc/configs/generic-32bit_defconfig
@@ -2,15 +2,11 @@
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
CONFIG_BLK_DEV_INITRD=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
-CONFIG_RD_LZO=y
CONFIG_EXPERT=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_PERF_EVENTS=y
@@ -49,7 +45,6 @@
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
CONFIG_INET_DIAG=m
CONFIG_LLC2=m
# CONFIG_WIRELESS is not set
@@ -149,10 +144,8 @@
CONFIG_PPDEV=m
# CONFIG_HW_RANDOM is not set
CONFIG_I2C=y
-CONFIG_POWER_SUPPLY=y
# CONFIG_HWMON is not set
CONFIG_AGP=y
-CONFIG_VIDEO_OUTPUT_CONTROL=y
CONFIG_FB=y
CONFIG_FB_FOREIGN_ENDIAN=y
CONFIG_FB_MODE_HELPERS=y
@@ -169,11 +162,8 @@
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_SOUND=m
CONFIG_SND=m
-CONFIG_SND_SEQUENCER=m
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
-CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_DYNAMIC_MINORS=y
+CONFIG_SND_SEQUENCER=m
CONFIG_SND_AD1889=m
CONFIG_SND_HARMONY=m
CONFIG_HIDRAW=y
@@ -223,12 +213,7 @@
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT3_FS=y
-# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_EXT3_FS_SECURITY=y
-CONFIG_EXT4_FS=y
-CONFIG_XFS_FS=m
-CONFIG_XFS_QUOTA=y
-CONFIG_XFS_RT=y
CONFIG_QUOTA=y
CONFIG_QUOTA_NETLINK_INTERFACE=y
CONFIG_QFMT_V2=y
@@ -293,15 +278,12 @@
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y
-CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
-CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_LATENCYTOP=y
CONFIG_LKDTM=m
CONFIG_KEYS=y
-CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_MD5=y
@@ -320,7 +302,6 @@
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_DEFLATE=y
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC_CCITT=m
CONFIG_CRC_T10DIF=y
CONFIG_FONTS=y
diff --git a/arch/parisc/configs/generic-64bit_defconfig b/arch/parisc/configs/generic-64bit_defconfig
index c564e6e..d39e7f8 100644
--- a/arch/parisc/configs/generic-64bit_defconfig
+++ b/arch/parisc/configs/generic-64bit_defconfig
@@ -8,10 +8,11 @@
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_UTS_NS is not set
-# CONFIG_IPC_NS is not set
-# CONFIG_PID_NS is not set
-# CONFIG_NET_NS is not set
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_MEMCG_SWAP=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CPUSETS=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -52,7 +53,6 @@
CONFIG_INET_XFRM_MODE_TRANSPORT=m
CONFIG_INET_XFRM_MODE_TUNNEL=m
CONFIG_INET_XFRM_MODE_BEET=m
-CONFIG_INET_LRO=m
CONFIG_INET_DIAG=m
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_ADVANCED is not set
@@ -84,7 +84,6 @@
CONFIG_ATA_GENERIC=y
CONFIG_MD=y
CONFIG_MD_LINEAR=m
-CONFIG_MD_RAID0=m
CONFIG_BLK_DEV_DM=m
CONFIG_DM_RAID=m
CONFIG_DM_UEVENT=y
@@ -138,21 +137,21 @@
# CONFIG_NET_VENDOR_TI is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
-CONFIG_PHYLIB=y
-CONFIG_MARVELL_PHY=m
-CONFIG_DAVICOM_PHY=m
-CONFIG_QSEMI_PHY=m
-CONFIG_LXT_PHY=m
-CONFIG_CICADA_PHY=m
-CONFIG_VITESSE_PHY=m
-CONFIG_SMSC_PHY=m
-CONFIG_BROADCOM_PHY=m
-CONFIG_ICPLUS_PHY=m
-CONFIG_REALTEK_PHY=m
-CONFIG_NATIONAL_PHY=m
-CONFIG_STE10XP=m
-CONFIG_LSI_ET1011C_PHY=m
CONFIG_MDIO_BITBANG=m
+CONFIG_PHYLIB=y
+CONFIG_BROADCOM_PHY=m
+CONFIG_CICADA_PHY=m
+CONFIG_DAVICOM_PHY=m
+CONFIG_ICPLUS_PHY=m
+CONFIG_LSI_ET1011C_PHY=m
+CONFIG_LXT_PHY=m
+CONFIG_MARVELL_PHY=m
+CONFIG_NATIONAL_PHY=m
+CONFIG_QSEMI_PHY=m
+CONFIG_REALTEK_PHY=m
+CONFIG_SMSC_PHY=m
+CONFIG_STE10XP=m
+CONFIG_VITESSE_PHY=m
CONFIG_SLIP=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
@@ -166,10 +165,8 @@
CONFIG_SERIO_SERPORT=m
# CONFIG_HP_SDC is not set
CONFIG_SERIO_RAW=m
-CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
# CONFIG_LEGACY_PTYS is not set
CONFIG_NOZOMI=m
-# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
@@ -207,10 +204,8 @@
CONFIG_AGP_PARISC=y
CONFIG_DRM=y
CONFIG_DRM_RADEON=y
-CONFIG_DRM_RADEON_UMS=y
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_MODE_HELPERS=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_BACKLIGHT_GENERIC is not set
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_LOGO=y
@@ -246,8 +241,6 @@
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_SECURITY=y
-CONFIG_EXT4_FS=y
-CONFIG_EXT4_FS_SECURITY=y
CONFIG_XFS_FS=m
CONFIG_BTRFS_FS=m
CONFIG_QUOTA=y
@@ -286,27 +279,16 @@
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
-CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
-CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
# CONFIG_SCHED_DEBUG is not set
-CONFIG_TIMER_STATS=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_ECB=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_DEFLATE=m
# CONFIG_CRYPTO_HW is not set
CONFIG_CRC_CCITT=m
CONFIG_LIBCRC32C=y
-CONFIG_XZ_DEC_X86=y
-CONFIG_XZ_DEC_POWERPC=y
-CONFIG_XZ_DEC_IA64=y
-CONFIG_XZ_DEC_ARM=y
-CONFIG_XZ_DEC_ARMTHUMB=y
-CONFIG_XZ_DEC_SPARC=y
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index d274227..07ea467 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -27,7 +27,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
+ "\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b, %c0\n" \
"\t.short %c1, %c2\n" \
"\t.org 2b+%c3\n" \
@@ -50,7 +50,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
+ "\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b, %c0\n" \
"\t.short %c1, %c2\n" \
"\t.org 2b+%c3\n" \
@@ -64,7 +64,7 @@
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
- "\t.pushsection __bug_table,\"a\"\n" \
+ "\t.pushsection __bug_table,\"aw\"\n" \
"2:\t" ASM_WORD_INSN "1b\n" \
"\t.short %c0\n" \
"\t.org 2b+%c1\n" \
diff --git a/arch/parisc/include/asm/pdcpat.h b/arch/parisc/include/asm/pdcpat.h
index 32e105f..e3c0586 100644
--- a/arch/parisc/include/asm/pdcpat.h
+++ b/arch/parisc/include/asm/pdcpat.h
@@ -150,7 +150,7 @@
#define PDC_PAT_MEM_SETGM 9L /* Set Good Memory value */
#define PDC_PAT_MEM_ADD_PAGE 10L /* ADDs a page to the cell */
#define PDC_PAT_MEM_ADDRESS 11L /* Get Physical Location From */
- /* Memory Address */
+ /* Memory Address */
#define PDC_PAT_MEM_GET_TXT_SIZE 12L /* Get Formatted Text Size */
#define PDC_PAT_MEM_GET_PD_TXT 13L /* Get PD Formatted Text */
#define PDC_PAT_MEM_GET_CELL_TXT 14L /* Get Cell Formatted Text */
@@ -228,6 +228,17 @@
unsigned long pdt_entries;
};
+struct pdc_pat_mem_phys_mem_location { /* PDC_PAT_MEM/PDC_PAT_MEM_ADDRESS */
+ u64 cabinet:8;
+ u64 ign1:8;
+ u64 ign2:8;
+ u64 cell_slot:8;
+ u64 ign3:8;
+ u64 dimm_slot:8; /* DIMM slot, e.g. 0x1A, 0x2B, show user hex value! */
+ u64 ign4:8;
+ u64 source:4; /* for mem: always 0x07 */
+ u64 source_detail:4; /* for mem: always 0x04 (SIMM or DIMM) */
+};
struct pdc_pat_pd_addr_map_entry {
unsigned char entry_type; /* 1 = Memory Descriptor Entry Type */
@@ -319,6 +330,9 @@
extern int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
unsigned long *pdt_entries_ptr, unsigned long count,
unsigned long offset);
+extern int pdc_pat_mem_get_dimm_phys_location(
+ struct pdc_pat_mem_phys_mem_location *pret,
+ unsigned long phys_addr);
#endif /* __ASSEMBLY__ */
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 88fe0aa..bc20813 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -34,7 +34,7 @@
/* thread information allocation */
-#define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */
+#define THREAD_SIZE_ORDER 3 /* PA-RISC requires at least 32k stack */
/* Be sure to hunt all references to this down when you change the size of
* the kernel stack */
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
diff --git a/arch/parisc/include/uapi/asm/ioctls.h b/arch/parisc/include/uapi/asm/ioctls.h
index 674c68a..d0e3321 100644
--- a/arch/parisc/include/uapi/asm/ioctls.h
+++ b/arch/parisc/include/uapi/asm/ioctls.h
@@ -60,7 +60,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */
#define FIOCLEX 0x5451
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index c32a090..19c0c14 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -453,8 +453,8 @@
before it can be accessed through the kernel mapping. */
preempt_disable();
flush_dcache_page_asm(__pa(vfrom), vaddr);
- preempt_enable();
copy_page_asm(vto, vfrom);
+ preempt_enable();
}
EXPORT_SYMBOL(copy_user_page);
@@ -539,6 +539,10 @@
struct vm_area_struct *vma;
pgd_t *pgd;
+ /* Flush the TLB to avoid speculation if coherency is required. */
+ if (parisc_requires_coherency())
+ flush_tlb_all();
+
/* Flushing the whole cache on each cpu takes forever on
rp3440, etc. So, avoid it if the mm isn't too big. */
if (mm_total_size(mm) >= parisc_cache_flush_threshold) {
@@ -577,33 +581,21 @@
void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- unsigned long addr;
- pgd_t *pgd;
-
BUG_ON(!vma->vm_mm->context);
- if ((end - start) >= parisc_cache_flush_threshold) {
+ /* Flush the TLB to avoid speculation if coherency is required. */
+ if (parisc_requires_coherency())
+ flush_tlb_range(vma, start, end);
+
+ if ((end - start) >= parisc_cache_flush_threshold
+ || vma->vm_mm->context != mfsp(3)) {
flush_cache_all();
return;
}
- if (vma->vm_mm->context == mfsp(3)) {
- flush_user_dcache_range_asm(start, end);
- if (vma->vm_flags & VM_EXEC)
- flush_user_icache_range_asm(start, end);
- return;
- }
-
- pgd = vma->vm_mm->pgd;
- for (addr = start & PAGE_MASK; addr < end; addr += PAGE_SIZE) {
- unsigned long pfn;
- pte_t *ptep = get_ptep(pgd, addr);
- if (!ptep)
- continue;
- pfn = pte_pfn(*ptep);
- if (pfn_valid(pfn))
- __flush_cache_page(vma, addr, PFN_PHYS(pfn));
- }
+ flush_user_dcache_range_asm(start, end);
+ if (vma->vm_flags & VM_EXEC)
+ flush_user_icache_range_asm(start, end);
}
void
@@ -612,7 +604,8 @@
BUG_ON(!vma->vm_mm->context);
if (pfn_valid(pfn)) {
- flush_tlb_page(vma, vmaddr);
+ if (parisc_requires_coherency())
+ flush_tlb_page(vma, vmaddr);
__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
}
}
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 9819025..f622a31 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1481,12 +1481,44 @@
unsigned long offset)
{
int retval;
- unsigned long flags;
+ unsigned long flags, entries;
spin_lock_irqsave(&pdc_lock, flags);
retval = mem_pdc_call(PDC_PAT_MEM, PDC_PAT_MEM_PD_READ,
- __pa(&pret), __pa(pdt_entries_ptr),
+ __pa(&pdc_result), __pa(pdt_entries_ptr),
count, offset);
+
+ if (retval == PDC_OK) {
+ entries = min(pdc_result[0], count);
+ pret->actual_count_bytes = entries;
+ pret->pdt_entries = entries / sizeof(unsigned long);
+ }
+
+ spin_unlock_irqrestore(&pdc_lock, flags);
+
+ return retval;
+}
+
+/**
+ * pdc_pat_mem_get_dimm_phys_location - Get physical DIMM slot via PAT firmware
+ * @pret: ptr to hold returned information
+ * @phys_addr: physical address to examine
+ *
+ */
+int pdc_pat_mem_get_dimm_phys_location(
+ struct pdc_pat_mem_phys_mem_location *pret,
+ unsigned long phys_addr)
+{
+ int retval;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pdc_lock, flags);
+ retval = mem_pdc_call(PDC_PAT_MEM, PDC_PAT_MEM_ADDRESS,
+ __pa(&pdc_result), phys_addr);
+
+ if (retval == PDC_OK)
+ memcpy(pret, &pdc_result, sizeof(*pret));
+
spin_unlock_irqrestore(&pdc_lock, flags);
return retval;
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index ba5e1c7..0ca2540 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -380,7 +380,7 @@
/*
* IRQ STACK - used for irq handler
*/
-#define IRQ_STACK_SIZE (4096 << 2) /* 16k irq stack size */
+#define IRQ_STACK_SIZE (4096 << 3) /* 32k irq stack size */
union irq_stack_union {
unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
@@ -413,6 +413,10 @@
if (regs->sr[7])
return;
+ /* exit if already in panic */
+ if (sysctl_panic_on_stackoverflow < 0)
+ return;
+
/* calculate kernel stack usage */
stack_usage = sp - stack_start;
#ifdef CONFIG_IRQSTACKS
@@ -454,8 +458,10 @@
#ifdef CONFIG_IRQSTACKS
panic_check:
#endif
- if (sysctl_panic_on_stackoverflow)
+ if (sysctl_panic_on_stackoverflow) {
+ sysctl_panic_on_stackoverflow = -1; /* disable further checks */
panic("low stack detected by irq handler - check messages\n");
+ }
#endif
}
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index f3a797e..d02874e 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -112,10 +112,12 @@
#ifdef CONFIG_64BIT
struct pdc_pat_mem_read_pd_retinfo pat_pret;
+ /* try old obsolete PAT firmware function first */
+ pdt_type = PDT_PAT_OLD;
ret = pdc_pat_mem_read_cell_pdt(&pat_pret, pdt_entry,
MAX_PDT_ENTRIES);
if (ret != PDC_OK) {
- pdt_type = PDT_PAT_OLD;
+ pdt_type = PDT_PAT_NEW;
ret = pdc_pat_mem_read_pd_pdt(&pat_pret, pdt_entry,
MAX_PDT_TABLE_SIZE, 0);
}
@@ -131,11 +133,20 @@
}
for (i = 0; i < pdt_status.pdt_entries; i++) {
- if (i < 20)
- pr_warn("PDT: BAD PAGE #%d at 0x%08lx (error_type = %lu)\n",
- i,
- pdt_entry[i] & PAGE_MASK,
- pdt_entry[i] & 1);
+ struct pdc_pat_mem_phys_mem_location loc;
+
+ /* get DIMM slot number */
+ loc.dimm_slot = 0xff;
+#ifdef CONFIG_64BIT
+ pdc_pat_mem_get_dimm_phys_location(&loc, pdt_entry[i]);
+#endif
+
+ pr_warn("PDT: BAD PAGE #%d at 0x%08lx, "
+ "DIMM slot %02x (error_type = %lu)\n",
+ i,
+ pdt_entry[i] & PAGE_MASK,
+ loc.dimm_slot,
+ pdt_entry[i] & 1);
/* mark memory page bad */
memblock_reserve(pdt_entry[i] & PAGE_MASK, PAGE_SIZE);
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index b64d7d2..a45a67d 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -53,6 +53,7 @@
#include <linux/uaccess.h>
#include <linux/rcupdate.h>
#include <linux/random.h>
+#include <linux/nmi.h>
#include <asm/io.h>
#include <asm/asm-offsets.h>
@@ -145,6 +146,7 @@
/* prevent soft lockup/stalled CPU messages for endless loop. */
rcu_sysrq_start();
+ lockup_detector_suspend();
for (;;);
}
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 3d6ef1b..ffe2cbf 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -78,6 +78,8 @@
*(.text.sys_exit)
*(.text.do_sigaltstack)
*(.text.do_fork)
+ *(.text.div)
+ *($$*) /* millicode routines */
*(.text.*)
*(.fixup)
*(.lock.text) /* out-of-line lock text */
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 36f858c..81b0031 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -199,7 +199,7 @@
select HAVE_OPTPROBES if PPC64
select HAVE_PERF_EVENTS
select HAVE_PERF_EVENTS_NMI if PPC64
- select HAVE_HARDLOCKUP_DETECTOR_PERF if HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH
+ select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_RCU_TABLE_FREE if SMP
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 8d4ed73..e2b3e7a 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -59,6 +59,19 @@
machine-$(CONFIG_CPU_LITTLE_ENDIAN) += le
UTS_MACHINE := $(subst $(space),,$(machine-y))
+# XXX This needs to be before we override LD below
+ifdef CONFIG_PPC32
+KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
+else
+ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
+# Have the linker provide sfpr if possible.
+# There is a corresponding test in arch/powerpc/lib/Makefile
+KBUILD_LDFLAGS_MODULE += --save-restore-funcs
+else
+KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
+endif
+endif
+
ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
override LD += -EL
LDEMULATION := lppc
@@ -190,18 +203,6 @@
CHECKFLAGS += -D__LITTLE_ENDIAN__
endif
-ifdef CONFIG_PPC32
-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-else
-ifeq ($(call ld-ifversion, -ge, 225000000, y),y)
-# Have the linker provide sfpr if possible.
-# There is a corresponding test in arch/powerpc/lib/Makefile
-KBUILD_LDFLAGS_MODULE += --save-restore-funcs
-else
-KBUILD_LDFLAGS_MODULE += arch/powerpc/lib/crtsavres.o
-endif
-endif
-
ifeq ($(CONFIG_476FPE_ERR46),y)
KBUILD_LDFLAGS_MODULE += --ppc476-workaround \
-T $(srctree)/arch/powerpc/platforms/44x/ppc476_modules.lds
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index a7814a7..6f952fe 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -25,12 +25,20 @@
BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -Os -msoft-float -pipe \
-fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
- -isystem $(shell $(CROSS32CC) -print-file-name=include) \
-D$(compress-y)
+BOOTCC := $(CC)
ifdef CONFIG_PPC64_BOOT_WRAPPER
BOOTCFLAGS += -m64
+else
+BOOTCFLAGS += -m32
+ifdef CROSS32_COMPILE
+ BOOTCC := $(CROSS32_COMPILE)gcc
endif
+endif
+
+BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include)
+
ifdef CONFIG_CPU_BIG_ENDIAN
BOOTCFLAGS += -mbig-endian
else
@@ -183,10 +191,10 @@
empty.c zImage.coff.lds zImage.ps3.lds zImage.lds
quiet_cmd_bootcc = BOOTCC $@
- cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
+ cmd_bootcc = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
quiet_cmd_bootas = BOOTAS $@
- cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
+ cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
quiet_cmd_bootar = BOOTAR $@
cmd_bootar = $(CROSS32AR) -cr$(KBUILD_ARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@
diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
index 0695ce0..34fc9bb 100644
--- a/arch/powerpc/configs/powernv_defconfig
+++ b/arch/powerpc/configs/powernv_defconfig
@@ -293,7 +293,8 @@
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_LATENCYTOP=y
CONFIG_SCHED_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 5175028..c5246d2 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -324,7 +324,8 @@
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_LATENCYTOP=y
CONFIG_SCHED_TRACER=y
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 1a61aa2..fd5d98a 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -291,7 +291,8 @@
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_LATENCYTOP=y
CONFIG_SCHED_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index 0ce513f..36fc7bf 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -91,6 +91,7 @@
}
#ifdef CONFIG_STRICT_KERNEL_RWX
extern void hash__mark_rodata_ro(void);
+extern void hash__mark_initmem_nx(void);
#endif
extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index 77529a3..5b4023c 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -59,13 +59,14 @@
#define PRTS_MASK 0x1f /* process table size field */
#define PRTB_MASK 0x0ffffffffffff000UL
-/*
- * Limit process table to PAGE_SIZE table. This
- * also limit the max pid we can support.
- * MAX_USER_CONTEXT * 16 bytes of space.
- */
-#define PRTB_SIZE_SHIFT (CONTEXT_BITS + 4)
-#define PRTB_ENTRIES (1ul << CONTEXT_BITS)
+/* Number of supported PID bits */
+extern unsigned int mmu_pid_bits;
+
+/* Base PID to allocate from */
+extern unsigned int mmu_base_pid;
+
+#define PRTB_SIZE_SHIFT (mmu_pid_bits + 4)
+#define PRTB_ENTRIES (1ul << mmu_pid_bits)
/*
* Power9 currently only support 64K partition table size.
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index c0737c8..818a58f 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -608,9 +608,17 @@
return __pte(pte_val(pte) | _PAGE_SPECIAL|_PAGE_DEVMAP);
}
+/*
+ * This is potentially called with a pmd as the argument, in which case it's not
+ * safe to check _PAGE_DEVMAP unless we also confirm that _PAGE_PTE is set.
+ * That's because the bit we use for _PAGE_DEVMAP is not reserved for software
+ * use in page directory entries (ie. non-ptes).
+ */
static inline int pte_devmap(pte_t pte)
{
- return !!(pte_raw(pte) & cpu_to_be64(_PAGE_DEVMAP));
+ u64 mask = cpu_to_be64(_PAGE_DEVMAP | _PAGE_PTE);
+
+ return (pte_raw(pte) & mask) == mask;
}
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
@@ -1192,5 +1200,6 @@
BUILD_BUG();
return 0;
}
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 487709f..544440b 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -118,6 +118,7 @@
#ifdef CONFIG_STRICT_KERNEL_RWX
extern void radix__mark_rodata_ro(void);
+extern void radix__mark_initmem_nx(void);
#endif
static inline unsigned long __radix_pte_update(pte_t *ptep, unsigned long clr,
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 0151af6..87fcc19 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -18,7 +18,7 @@
#include <asm/asm-offsets.h>
#ifdef CONFIG_DEBUG_BUGVERBOSE
.macro EMIT_BUG_ENTRY addr,file,line,flags
- .section __bug_table,"a"
+ .section __bug_table,"aw"
5001: PPC_LONG \addr, 5002f
.short \line, \flags
.org 5001b+BUG_ENTRY_SIZE
@@ -29,7 +29,7 @@
.endm
#else
.macro EMIT_BUG_ENTRY addr,file,line,flags
- .section __bug_table,"a"
+ .section __bug_table,"aw"
5001: PPC_LONG \addr
.short \flags
.org 5001b+BUG_ENTRY_SIZE
@@ -42,14 +42,14 @@
sizeof(struct bug_entry), respectively */
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _EMIT_BUG_ENTRY \
- ".section __bug_table,\"a\"\n" \
+ ".section __bug_table,\"aw\"\n" \
"2:\t" PPC_LONG "1b, %0\n" \
"\t.short %1, %2\n" \
".org 2b+%3\n" \
".previous\n"
#else
#define _EMIT_BUG_ENTRY \
- ".section __bug_table,\"a\"\n" \
+ ".section __bug_table,\"aw\"\n" \
"2:\t" PPC_LONG "1b\n" \
"\t.short %2\n" \
".org 2b+%3\n" \
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 8b3f123..e372ed8 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -67,11 +67,6 @@
extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
-static inline void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address)
-{
-}
-
#define HPTEG_CACHE_NUM (1 << 15)
#define HPTEG_HASH_BITS_PTE 13
#define HPTEG_HASH_BITS_PTE_LONG 12
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index da7e943..35bec1c 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -45,7 +45,7 @@
#ifdef CONFIG_PPC_BOOK3S_64
extern void radix__switch_mmu_context(struct mm_struct *prev,
- struct mm_struct *next);
+ struct mm_struct *next);
static inline void switch_mmu_context(struct mm_struct *prev,
struct mm_struct *next,
struct task_struct *tsk)
@@ -67,6 +67,12 @@
extern void mmu_context_init(void);
#endif
+#if defined(CONFIG_KVM_BOOK3S_HV_POSSIBLE) && defined(CONFIG_PPC_RADIX_MMU)
+extern void radix_kvm_prefetch_workaround(struct mm_struct *mm);
+#else
+static inline void radix_kvm_prefetch_workaround(struct mm_struct *mm) { }
+#endif
+
extern void switch_cop(struct mm_struct *next);
extern int use_cop(unsigned long acop, struct mm_struct *mm);
extern void drop_cop(unsigned long acop, struct mm_struct *mm);
@@ -79,10 +85,32 @@
struct mm_struct *next,
struct task_struct *tsk)
{
+ bool new_on_cpu = false;
+
/* Mark this context has been used on the new CPU */
- if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(next)))
+ if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(next))) {
cpumask_set_cpu(smp_processor_id(), mm_cpumask(next));
+ /*
+ * This full barrier orders the store to the cpumask above vs
+ * a subsequent operation which allows this CPU to begin loading
+ * translations for next.
+ *
+ * When using the radix MMU that operation is the load of the
+ * MMU context id, which is then moved to SPRN_PID.
+ *
+ * For the hash MMU it is either the first load from slb_cache
+ * in switch_slb(), and/or the store of paca->mm_ctx_id in
+ * copy_mm_to_paca().
+ *
+ * On the read side the barrier is in pte_xchg(), which orders
+ * the store to the PTE vs the load of mm_cpumask.
+ */
+ smp_mb();
+
+ new_on_cpu = true;
+ }
+
/* 32-bit keeps track of the current PGDIR in the thread struct */
#ifdef CONFIG_PPC32
tsk->thread.pgdir = next->pgd;
@@ -109,6 +137,10 @@
if (cpu_has_feature(CPU_FTR_ALTIVEC))
asm volatile ("dssall");
#endif /* CONFIG_ALTIVEC */
+
+ if (new_on_cpu)
+ radix_kvm_prefetch_workaround(next);
+
/*
* The actual HW switching method differs between the various
* sub architectures. Out of line for now
diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h
index 9c0f5db..67e7e3d9 100644
--- a/arch/powerpc/include/asm/pgtable-be-types.h
+++ b/arch/powerpc/include/asm/pgtable-be-types.h
@@ -87,6 +87,7 @@
unsigned long *p = (unsigned long *)ptep;
__be64 prev;
+ /* See comment in switch_mm_irqs_off() */
prev = (__force __be64)__cmpxchg_u64(p, (__force unsigned long)pte_raw(old),
(__force unsigned long)pte_raw(new));
diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h
index 8bd3b13..369a164 100644
--- a/arch/powerpc/include/asm/pgtable-types.h
+++ b/arch/powerpc/include/asm/pgtable-types.h
@@ -62,6 +62,7 @@
{
unsigned long *p = (unsigned long *)ptep;
+ /* See comment in switch_mm_irqs_off() */
return pte_val(old) == __cmpxchg_u64(p, pte_val(old), pte_val(new));
}
#endif
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index dd01212..afae9a3 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -80,6 +80,13 @@
void pgtable_cache_add(unsigned shift, void (*ctor)(void *));
void pgtable_cache_init(void);
+
+#ifdef CONFIG_STRICT_KERNEL_RWX
+void mark_initmem_nx(void);
+#else
+static inline void mark_initmem_nx(void) { }
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PGTABLE_H */
diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h
index bfd609a..e3b1046 100644
--- a/arch/powerpc/include/uapi/asm/ioctls.h
+++ b/arch/powerpc/include/uapi/asm/ioctls.h
@@ -100,7 +100,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCSERCONFIG 0x5453
#define TIOCSERGWILD 0x5454
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 49d8422..e925c1c 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -223,17 +223,27 @@
andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK)
bne- .Lsyscall_exit_work
- /* If MSR_FP and MSR_VEC are set in user msr, then no need to restore */
- li r7,MSR_FP
+ andi. r0,r8,MSR_FP
+ beq 2f
#ifdef CONFIG_ALTIVEC
- oris r7,r7,MSR_VEC@h
+ andis. r0,r8,MSR_VEC@h
+ bne 3f
#endif
- and r0,r8,r7
- cmpd r0,r7
- bne .Lsyscall_restore_math
-.Lsyscall_restore_math_cont:
+2: addi r3,r1,STACK_FRAME_OVERHEAD
+#ifdef CONFIG_PPC_BOOK3S
+ li r10,MSR_RI
+ mtmsrd r10,1 /* Restore RI */
+#endif
+ bl restore_math
+#ifdef CONFIG_PPC_BOOK3S
+ li r11,0
+ mtmsrd r11,1
+#endif
+ ld r8,_MSR(r1)
+ ld r3,RESULT(r1)
+ li r11,-MAX_ERRNO
- cmpld r3,r11
+3: cmpld r3,r11
ld r5,_CCR(r1)
bge- .Lsyscall_error
.Lsyscall_error_cont:
@@ -267,40 +277,6 @@
std r5,_CCR(r1)
b .Lsyscall_error_cont
-.Lsyscall_restore_math:
- /*
- * Some initial tests from restore_math to avoid the heavyweight
- * C code entry and MSR manipulations.
- */
- LOAD_REG_IMMEDIATE(r0, MSR_TS_MASK)
- and. r0,r0,r8
- bne 1f
-
- ld r7,PACACURRENT(r13)
- lbz r0,THREAD+THREAD_LOAD_FP(r7)
-#ifdef CONFIG_ALTIVEC
- lbz r6,THREAD+THREAD_LOAD_VEC(r7)
- add r0,r0,r6
-#endif
- cmpdi r0,0
- beq .Lsyscall_restore_math_cont
-
-1: addi r3,r1,STACK_FRAME_OVERHEAD
-#ifdef CONFIG_PPC_BOOK3S
- li r10,MSR_RI
- mtmsrd r10,1 /* Restore RI */
-#endif
- bl restore_math
-#ifdef CONFIG_PPC_BOOK3S
- li r11,0
- mtmsrd r11,1
-#endif
- /* Restore volatiles, reload MSR from updated one */
- ld r8,_MSR(r1)
- ld r3,RESULT(r1)
- li r11,-MAX_ERRNO
- b .Lsyscall_restore_math_cont
-
/* Traced system call support */
.Lsyscall_dotrace:
bl save_nvgprs
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index e6d8354..f14f3c0 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -824,7 +824,7 @@
* r3 volatile parameter and return value for status
* r4-r10 volatile input and output value
* r11 volatile hypercall number and output value
- * r12 volatile
+ * r12 volatile input and output value
* r13-r31 nonvolatile
* LR nonvolatile
* CTR volatile
@@ -834,25 +834,26 @@
* Other registers nonvolatile
*
* The intersection of volatile registers that don't contain possible
- * inputs is: r12, cr0, xer, ctr. We may use these as scratch regs
- * upon entry without saving.
+ * inputs is: cr0, xer, ctr. We may use these as scratch regs upon entry
+ * without saving, though xer is not a good idea to use, as hardware may
+ * interpret some bits so it may be costly to change them.
*/
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
/*
* There is a little bit of juggling to get syscall and hcall
- * working well. Save r10 in ctr to be restored in case it is a
- * hcall.
+ * working well. Save r13 in ctr to avoid using SPRG scratch
+ * register.
*
* Userspace syscalls have already saved the PPR, hcalls must save
* it before setting HMT_MEDIUM.
*/
#define SYSCALL_KVMTEST \
- mr r12,r13; \
+ mtctr r13; \
GET_PACA(r13); \
- mtctr r10; \
+ std r10,PACA_EXGEN+EX_R10(r13); \
KVMTEST_PR(0xc00); /* uses r10, branch to do_kvm_0xc00_system_call */ \
HMT_MEDIUM; \
- mr r9,r12; \
+ mfctr r9;
#else
#define SYSCALL_KVMTEST \
@@ -935,8 +936,8 @@
* This is a hcall, so register convention is as above, with these
* differences:
* r13 = PACA
- * r12 = orig r13
- * ctr = orig r10
+ * ctr = orig r13
+ * orig r10 saved in PACA
*/
TRAMP_KVM_BEGIN(do_kvm_0xc00)
/*
@@ -944,14 +945,13 @@
* HMT_MEDIUM. That allows the KVM code to save that value into the
* guest state (it is the guest's PPR value).
*/
- OPT_GET_SPR(r0, SPRN_PPR, CPU_FTR_HAS_PPR)
+ OPT_GET_SPR(r10, SPRN_PPR, CPU_FTR_HAS_PPR)
HMT_MEDIUM
- OPT_SAVE_REG_TO_PACA(PACA_EXGEN+EX_PPR, r0, CPU_FTR_HAS_PPR)
+ OPT_SAVE_REG_TO_PACA(PACA_EXGEN+EX_PPR, r10, CPU_FTR_HAS_PPR)
mfctr r10
- SET_SCRATCH0(r12)
+ SET_SCRATCH0(r10)
std r9,PACA_EXGEN+EX_R9(r13)
mfcr r9
- std r10,PACA_EXGEN+EX_R10(r13)
KVM_HANDLER(PACA_EXGEN, EXC_STD, 0xc00)
#endif
@@ -1325,10 +1325,18 @@
std r10,PACA_EXGEN+EX_R13(r13); \
EXCEPTION_PROLOG_PSERIES_1(soft_nmi_common, _H)
+/*
+ * Branch to soft_nmi_interrupt using the emergency stack. The emergency
+ * stack is one that is usable by maskable interrupts so long as MSR_EE
+ * remains off. It is used for recovery when something has corrupted the
+ * normal kernel stack, for example. The "soft NMI" must not use the process
+ * stack because we want irq disabled sections to avoid touching the stack
+ * at all (other than PMU interrupts), so use the emergency stack for this,
+ * and run it entirely with interrupts hard disabled.
+ */
EXC_COMMON_BEGIN(soft_nmi_common)
mr r10,r1
ld r1,PACAEMERGSP(r13)
- ld r1,PACA_NMI_EMERG_SP(r13)
subi r1,r1,INT_FRAME_SIZE
EXCEPTION_COMMON_NORET_STACK(PACA_EXGEN, 0x900,
system_reset, soft_nmi_interrupt,
diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S
index 5adb390e..e6252c5 100644
--- a/arch/powerpc/kernel/idle_book3s.S
+++ b/arch/powerpc/kernel/idle_book3s.S
@@ -30,6 +30,7 @@
* Use unused space in the interrupt stack to save and restore
* registers for winkle support.
*/
+#define _MMCR0 GPR0
#define _SDR1 GPR3
#define _PTCR GPR3
#define _RPR GPR4
@@ -272,6 +273,14 @@
b pnv_wakeup_noloss
.Lhandle_esl_ec_set:
+ /*
+ * POWER9 DD2 can incorrectly set PMAO when waking up after a
+ * state-loss idle. Saving and restoring MMCR0 over idle is a
+ * workaround.
+ */
+ mfspr r4,SPRN_MMCR0
+ std r4,_MMCR0(r1)
+
/*
* Check if the requested state is a deep idle state.
*/
@@ -450,10 +459,20 @@
pnv_restore_hyp_resource_arch300:
/*
* Workaround for POWER9, if we lost resources, the ERAT
- * might have been mixed up and needs flushing.
+ * might have been mixed up and needs flushing. We also need
+ * to reload MMCR0 (see comment above). We also need to set
+ * then clear bit 60 in MMCRA to ensure the PMU starts running.
*/
blt cr3,1f
PPC_INVALIDATE_ERAT
+ ld r1,PACAR1(r13)
+ mfspr r4,SPRN_MMCRA
+ ori r4,r4,(1 << (63-60))
+ mtspr SPRN_MMCRA,r4
+ xori r4,r4,(1 << (63-60))
+ mtspr SPRN_MMCRA,r4
+ ld r4,_MMCR0(r1)
+ mtspr SPRN_MMCR0,r4
1:
/*
* POWER ISA 3. Use PSSCR to determine if we
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0bcec74..f291f78 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -145,6 +145,19 @@
/* Clear bit 0 which we wouldn't clear otherwise */
local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS;
+ if (happened & PACA_IRQ_HARD_DIS) {
+ /*
+ * We may have missed a decrementer interrupt if hard disabled.
+ * Check the decrementer register in case we had a rollover
+ * while hard disabled.
+ */
+ if (!(happened & PACA_IRQ_DEC)) {
+ if (decrementer_check_overflow()) {
+ local_paca->irq_happened |= PACA_IRQ_DEC;
+ happened |= PACA_IRQ_DEC;
+ }
+ }
+ }
/*
* Force the delivery of pending soft-disabled interrupts on PS3.
@@ -170,7 +183,7 @@
* in case we also had a rollover while hard disabled
*/
local_paca->irq_happened &= ~PACA_IRQ_DEC;
- if ((happened & PACA_IRQ_DEC) || decrementer_check_overflow())
+ if (happened & PACA_IRQ_DEC)
return 0x900;
/* Finally check if an external interrupt happened */
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9f3e2c9..1f0fd36 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -362,7 +362,8 @@
cpumsr = msr_check_and_set(MSR_FP|MSR_VEC|MSR_VSX);
- if (current->thread.regs && (current->thread.regs->msr & MSR_VSX)) {
+ if (current->thread.regs &&
+ (current->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP))) {
check_if_tm_restore_required(current);
/*
* If a thread has already been reclaimed then the
@@ -386,7 +387,7 @@
{
if (tsk->thread.regs) {
preempt_disable();
- if (tsk->thread.regs->msr & MSR_VSX) {
+ if (tsk->thread.regs->msr & (MSR_VSX|MSR_VEC|MSR_FP)) {
BUG_ON(tsk != current);
giveup_vsx(tsk);
}
@@ -511,10 +512,6 @@
{
unsigned long msr;
- /*
- * Syscall exit makes a similar initial check before branching
- * to restore_math. Keep them in synch.
- */
if (!msr_tm_active(regs->msr) &&
!current->thread.load_fp && !loadvec(current->thread))
return;
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 925a4ef..660ed39 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -127,12 +127,19 @@
* If task is not current, it will have been flushed already to
* it's thread_struct during __switch_to().
*
- * A reclaim flushes ALL the state.
+ * A reclaim flushes ALL the state or if not in TM save TM SPRs
+ * in the appropriate thread structures from live.
*/
- if (tsk == current && MSR_TM_SUSPENDED(mfmsr()))
- tm_reclaim_current(TM_CAUSE_SIGNAL);
+ if (tsk != current)
+ return;
+ if (MSR_TM_SUSPENDED(mfmsr())) {
+ tm_reclaim_current(TM_CAUSE_SIGNAL);
+ } else {
+ tm_enable();
+ tm_save_sprs(&(tsk->thread));
+ }
}
#else
static inline void flush_tmregs_to_thread(struct task_struct *tsk) { }
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 997c88d..8d33205 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -351,7 +351,7 @@
hard_irq_disable();
while (atomic_cmpxchg(&__nmi_ipi_lock, 0, 1) == 1) {
raw_local_irq_restore(*flags);
- cpu_relax();
+ spin_until_cond(atomic_read(&__nmi_ipi_lock) == 0);
raw_local_irq_save(*flags);
hard_irq_disable();
}
@@ -360,7 +360,7 @@
static void nmi_ipi_lock(void)
{
while (atomic_cmpxchg(&__nmi_ipi_lock, 0, 1) == 1)
- cpu_relax();
+ spin_until_cond(atomic_read(&__nmi_ipi_lock) == 0);
}
static void nmi_ipi_unlock(void)
@@ -475,7 +475,7 @@
nmi_ipi_lock_start(&flags);
while (nmi_ipi_busy_count) {
nmi_ipi_unlock_end(&flags);
- cpu_relax();
+ spin_until_cond(nmi_ipi_busy_count == 0);
nmi_ipi_lock_start(&flags);
}
@@ -1003,21 +1003,13 @@
{ NULL, },
};
-static __init long smp_setup_cpu_workfn(void *data __always_unused)
-{
- smp_ops->setup_cpu(boot_cpuid);
- return 0;
-}
-
void __init smp_cpus_done(unsigned int max_cpus)
{
/*
- * We want the setup_cpu() here to be called on the boot CPU, but
- * init might run on any CPU, so make sure it's invoked on the boot
- * CPU.
+ * We are running pinned to the boot CPU, see rest_init().
*/
if (smp_ops && smp_ops->setup_cpu)
- work_on_cpu_safe(boot_cpuid, smp_setup_cpu_workfn, NULL);
+ smp_ops->setup_cpu(boot_cpuid);
if (smp_ops && smp_ops->bringup_done)
smp_ops->bringup_done();
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index b67f8b0..34721a2 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -71,15 +71,20 @@
* This may be called from low level interrupt handlers at some
* point in future.
*/
- local_irq_save(*flags);
- while (unlikely(test_and_set_bit_lock(0, &__wd_smp_lock)))
- cpu_relax();
+ raw_local_irq_save(*flags);
+ hard_irq_disable(); /* Make it soft-NMI safe */
+ while (unlikely(test_and_set_bit_lock(0, &__wd_smp_lock))) {
+ raw_local_irq_restore(*flags);
+ spin_until_cond(!test_bit(0, &__wd_smp_lock));
+ raw_local_irq_save(*flags);
+ hard_irq_disable();
+ }
}
static inline void wd_smp_unlock(unsigned long *flags)
{
clear_bit_unlock(0, &__wd_smp_lock);
- local_irq_restore(*flags);
+ raw_local_irq_restore(*flags);
}
static void wd_lockup_ipi(struct pt_regs *regs)
@@ -96,10 +101,10 @@
nmi_panic(regs, "Hard LOCKUP");
}
-static void set_cpu_stuck(int cpu, u64 tb)
+static void set_cpumask_stuck(const struct cpumask *cpumask, u64 tb)
{
- cpumask_set_cpu(cpu, &wd_smp_cpus_stuck);
- cpumask_clear_cpu(cpu, &wd_smp_cpus_pending);
+ cpumask_or(&wd_smp_cpus_stuck, &wd_smp_cpus_stuck, cpumask);
+ cpumask_andnot(&wd_smp_cpus_pending, &wd_smp_cpus_pending, cpumask);
if (cpumask_empty(&wd_smp_cpus_pending)) {
wd_smp_last_reset_tb = tb;
cpumask_andnot(&wd_smp_cpus_pending,
@@ -107,6 +112,10 @@
&wd_smp_cpus_stuck);
}
}
+static void set_cpu_stuck(int cpu, u64 tb)
+{
+ set_cpumask_stuck(cpumask_of(cpu), tb);
+}
static void watchdog_smp_panic(int cpu, u64 tb)
{
@@ -135,11 +144,9 @@
}
smp_flush_nmi_ipi(1000000);
- /* Take the stuck CPU out of the watch group */
- for_each_cpu(c, &wd_smp_cpus_pending)
- set_cpu_stuck(c, tb);
+ /* Take the stuck CPUs out of the watch group */
+ set_cpumask_stuck(&wd_smp_cpus_pending, tb);
-out:
wd_smp_unlock(&flags);
printk_safe_flush();
@@ -152,6 +159,11 @@
if (hardlockup_panic)
nmi_panic(NULL, "Hard LOCKUP");
+
+ return;
+
+out:
+ wd_smp_unlock(&flags);
}
static void wd_smp_clear_cpu_pending(int cpu, u64 tb)
@@ -258,9 +270,11 @@
void arch_touch_nmi_watchdog(void)
{
+ unsigned long ticks = tb_ticks_per_usec * wd_timer_period_ms * 1000;
int cpu = smp_processor_id();
- watchdog_timer_interrupt(cpu);
+ if (get_tb() - per_cpu(wd_timer_tb, cpu) >= ticks)
+ watchdog_timer_interrupt(cpu);
}
EXPORT_SYMBOL(arch_touch_nmi_watchdog);
@@ -283,6 +297,8 @@
static int start_wd_on_cpu(unsigned int cpu)
{
+ unsigned long flags;
+
if (cpumask_test_cpu(cpu, &wd_cpus_enabled)) {
WARN_ON(1);
return 0;
@@ -297,12 +313,14 @@
if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
return 0;
+ wd_smp_lock(&flags);
cpumask_set_cpu(cpu, &wd_cpus_enabled);
if (cpumask_weight(&wd_cpus_enabled) == 1) {
cpumask_set_cpu(cpu, &wd_smp_cpus_pending);
wd_smp_last_reset_tb = get_tb();
}
- smp_wmb();
+ wd_smp_unlock(&flags);
+
start_watchdog_timer_on(cpu);
return 0;
@@ -310,12 +328,17 @@
static int stop_wd_on_cpu(unsigned int cpu)
{
+ unsigned long flags;
+
if (!cpumask_test_cpu(cpu, &wd_cpus_enabled))
return 0; /* Can happen in CPU unplug case */
stop_watchdog_timer_on(cpu);
+ wd_smp_lock(&flags);
cpumask_clear_cpu(cpu, &wd_cpus_enabled);
+ wd_smp_unlock(&flags);
+
wd_smp_clear_cpu_pending(cpu, get_tb());
return 0;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 8cb0190..b42812e 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -164,8 +164,10 @@
goto out;
}
- if (kvm->arch.hpt.virt)
+ if (kvm->arch.hpt.virt) {
kvmppc_free_hpt(&kvm->arch.hpt);
+ kvmppc_rmap_reset(kvm);
+ }
err = kvmppc_allocate_hpt(&info, order);
if (err < 0)
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index a160c14..53766e2 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -294,32 +294,26 @@
struct kvm_create_spapr_tce_64 *args)
{
struct kvmppc_spapr_tce_table *stt = NULL;
+ struct kvmppc_spapr_tce_table *siter;
unsigned long npages, size;
int ret = -ENOMEM;
int i;
+ int fd = -1;
if (!args->size)
return -EINVAL;
- /* Check this LIOBN hasn't been previously allocated */
- list_for_each_entry(stt, &kvm->arch.spapr_tce_tables, list) {
- if (stt->liobn == args->liobn)
- return -EBUSY;
- }
-
size = _ALIGN_UP(args->size, PAGE_SIZE >> 3);
npages = kvmppc_tce_pages(size);
ret = kvmppc_account_memlimit(kvmppc_stt_pages(npages), true);
- if (ret) {
- stt = NULL;
- goto fail;
- }
+ if (ret)
+ return ret;
ret = -ENOMEM;
stt = kzalloc(sizeof(*stt) + npages * sizeof(struct page *),
GFP_KERNEL);
if (!stt)
- goto fail;
+ goto fail_acct;
stt->liobn = args->liobn;
stt->page_shift = args->page_shift;
@@ -334,24 +328,42 @@
goto fail;
}
- kvm_get_kvm(kvm);
+ ret = fd = anon_inode_getfd("kvm-spapr-tce", &kvm_spapr_tce_fops,
+ stt, O_RDWR | O_CLOEXEC);
+ if (ret < 0)
+ goto fail;
mutex_lock(&kvm->lock);
- list_add_rcu(&stt->list, &kvm->arch.spapr_tce_tables);
+
+ /* Check this LIOBN hasn't been previously allocated */
+ ret = 0;
+ list_for_each_entry(siter, &kvm->arch.spapr_tce_tables, list) {
+ if (siter->liobn == args->liobn) {
+ ret = -EBUSY;
+ break;
+ }
+ }
+
+ if (!ret) {
+ list_add_rcu(&stt->list, &kvm->arch.spapr_tce_tables);
+ kvm_get_kvm(kvm);
+ }
mutex_unlock(&kvm->lock);
- return anon_inode_getfd("kvm-spapr-tce", &kvm_spapr_tce_fops,
- stt, O_RDWR | O_CLOEXEC);
+ if (!ret)
+ return fd;
-fail:
- if (stt) {
- for (i = 0; i < npages; i++)
- if (stt->pages[i])
- __free_page(stt->pages[i]);
+ put_unused_fd(fd);
- kfree(stt);
- }
+ fail:
+ for (i = 0; i < npages; i++)
+ if (stt->pages[i])
+ __free_page(stt->pages[i]);
+
+ kfree(stt);
+ fail_acct:
+ kvmppc_account_memlimit(kvmppc_stt_pages(npages), false);
return ret;
}
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0b436df..359c79c 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3211,6 +3211,8 @@
run->fail_entry.hardware_entry_failure_reason = 0;
return -EINVAL;
}
+ /* Enable TM so we can read the TM SPRs */
+ mtmsr(mfmsr() | MSR_TM);
current->thread.tm_tfhar = mfspr(SPRN_TFHAR);
current->thread.tm_tfiar = mfspr(SPRN_TFIAR);
current->thread.tm_texasr = mfspr(SPRN_TEXASR);
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index cb44065..9c9c983 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1291,6 +1291,9 @@
/* Hypervisor doorbell - exit only if host IPI flag set */
cmpwi r12, BOOK3S_INTERRUPT_H_DOORBELL
bne 3f
+BEGIN_FTR_SECTION
+ PPC_MSGSYNC
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
lbz r0, HSTATE_HOST_IPI(r13)
cmpwi r0, 0
beq 4f
@@ -1443,12 +1446,14 @@
ori r6,r6,1
mtspr SPRN_CTRLT,r6
4:
- /* Read the guest SLB and save it away */
+ /* Check if we are running hash or radix and store it in cr2 */
ld r5, VCPU_KVM(r9)
lbz r0, KVM_RADIX(r5)
- cmpwi r0, 0
+ cmpwi cr2,r0,0
+
+ /* Read the guest SLB and save it away */
li r5, 0
- bne 3f /* for radix, save 0 entries */
+ bne cr2, 3f /* for radix, save 0 entries */
lwz r0,VCPU_SLB_NR(r9) /* number of entries in SLB */
mtctr r0
li r6,0
@@ -1712,11 +1717,6 @@
END_FTR_SECTION_NESTED(CPU_FTR_ARCH_300, 0, 96)
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
22:
- /* Clear out SLB */
- li r5,0
- slbmte r5,r5
- slbia
- ptesync
/* Restore host values of some registers */
BEGIN_FTR_SECTION
@@ -1737,10 +1737,56 @@
mtspr SPRN_PID, r7
mtspr SPRN_IAMR, r8
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
+
+#ifdef CONFIG_PPC_RADIX_MMU
+ /*
+ * Are we running hash or radix ?
+ */
+ beq cr2,3f
+
+ /* Radix: Handle the case where the guest used an illegal PID */
+ LOAD_REG_ADDR(r4, mmu_base_pid)
+ lwz r3, VCPU_GUEST_PID(r9)
+ lwz r5, 0(r4)
+ cmpw cr0,r3,r5
+ blt 2f
+
+ /*
+ * Illegal PID, the HW might have prefetched and cached in the TLB
+ * some translations for the LPID 0 / guest PID combination which
+ * Linux doesn't know about, so we need to flush that PID out of
+ * the TLB. First we need to set LPIDR to 0 so tlbiel applies to
+ * the right context.
+ */
+ li r0,0
+ mtspr SPRN_LPID,r0
+ isync
+
+ /* Then do a congruence class local flush */
+ ld r6,VCPU_KVM(r9)
+ lwz r0,KVM_TLB_SETS(r6)
+ mtctr r0
+ li r7,0x400 /* IS field = 0b01 */
+ ptesync
+ sldi r0,r3,32 /* RS has PID */
+1: PPC_TLBIEL(7,0,2,1,1) /* RIC=2, PRS=1, R=1 */
+ addi r7,r7,0x1000
+ bdnz 1b
+ ptesync
+
+2: /* Flush the ERAT on radix P9 DD1 guest exit */
BEGIN_FTR_SECTION
PPC_INVALIDATE_ERAT
END_FTR_SECTION_IFSET(CPU_FTR_POWER9_DD1)
+ b 4f
+#endif /* CONFIG_PPC_RADIX_MMU */
+ /* Hash: clear out SLB */
+3: li r5,0
+ slbmte r5,r5
+ slbia
+ ptesync
+4:
/*
* POWER7/POWER8 guest -> host partition switch code.
* We don't have to lock against tlbies but we do
diff --git a/arch/powerpc/kvm/book3s_xive_template.c b/arch/powerpc/kvm/book3s_xive_template.c
index 4636ca6..d1ed2c4 100644
--- a/arch/powerpc/kvm/book3s_xive_template.c
+++ b/arch/powerpc/kvm/book3s_xive_template.c
@@ -16,7 +16,22 @@
u8 cppr;
u16 ack;
- /* XXX DD1 bug workaround: Check PIPR vs. CPPR first ! */
+ /*
+ * Ensure any previous store to CPPR is ordered vs.
+ * the subsequent loads from PIPR or ACK.
+ */
+ eieio();
+
+ /*
+ * DD1 bug workaround: If PIPR is less favored than CPPR
+ * ignore the interrupt or we might incorrectly lose an IPB
+ * bit.
+ */
+ if (cpu_has_feature(CPU_FTR_POWER9_DD1)) {
+ u8 pipr = __x_readb(__x_tima + TM_QW1_OS + TM_PIPR);
+ if (pipr >= xc->hw_cppr)
+ return;
+ }
/* Perform the acknowledge OS to register cycle. */
ack = be16_to_cpu(__x_readw(__x_tima + TM_SPC_ACK_OS_REG));
@@ -235,6 +250,11 @@
/*
* If we found an interrupt, adjust what the guest CPPR should
* be as if we had just fetched that interrupt from HW.
+ *
+ * Note: This can only make xc->cppr smaller as the previous
+ * loop will only exit with hirq != 0 if prio is lower than
+ * the current xc->cppr. Thus we don't need to re-check xc->mfrr
+ * for pending IPIs.
*/
if (hirq)
xc->cppr = prio;
@@ -381,6 +401,12 @@
xc->cppr = cppr;
/*
+ * Order the above update of xc->cppr with the subsequent
+ * read of xc->mfrr inside push_pending_to_hw()
+ */
+ smp_mb();
+
+ /*
* We are masking less, we need to look for pending things
* to deliver and set VP pending bits accordingly to trigger
* a new interrupt otherwise we might miss MFRR changes for
@@ -420,21 +446,37 @@
* used to signal MFRR changes is EOId when fetched from
* the queue.
*/
- if (irq == XICS_IPI || irq == 0)
+ if (irq == XICS_IPI || irq == 0) {
+ /*
+ * This barrier orders the setting of xc->cppr vs.
+ * subsquent test of xc->mfrr done inside
+ * scan_interrupts and push_pending_to_hw
+ */
+ smp_mb();
goto bail;
+ }
/* Find interrupt source */
sb = kvmppc_xive_find_source(xive, irq, &src);
if (!sb) {
pr_devel(" source not found !\n");
rc = H_PARAMETER;
+ /* Same as above */
+ smp_mb();
goto bail;
}
state = &sb->irq_state[src];
kvmppc_xive_select_irq(state, &hw_num, &xd);
state->in_eoi = true;
- mb();
+
+ /*
+ * This barrier orders both setting of in_eoi above vs,
+ * subsequent test of guest_priority, and the setting
+ * of xc->cppr vs. subsquent test of xc->mfrr done inside
+ * scan_interrupts and push_pending_to_hw
+ */
+ smp_mb();
again:
if (state->guest_priority == MASKED) {
@@ -461,6 +503,14 @@
}
+ /*
+ * This barrier orders the above guest_priority check
+ * and spin_lock/unlock with clearing in_eoi below.
+ *
+ * It also has to be a full mb() as it must ensure
+ * the MMIOs done in source_eoi() are completed before
+ * state->in_eoi is visible.
+ */
mb();
state->in_eoi = false;
bail:
@@ -495,6 +545,18 @@
/* Locklessly write over MFRR */
xc->mfrr = mfrr;
+ /*
+ * The load of xc->cppr below and the subsequent MMIO store
+ * to the IPI must happen after the above mfrr update is
+ * globally visible so that:
+ *
+ * - Synchronize with another CPU doing an H_EOI or a H_CPPR
+ * updating xc->cppr then reading xc->mfrr.
+ *
+ * - The target of the IPI sees the xc->mfrr update
+ */
+ mb();
+
/* Shoot the IPI if most favored than target cppr */
if (mfrr < xc->cppr)
__x_writeq(0, __x_trig_page(&xc->vp_ipi_data));
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 8541f18..46b4e67 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -402,6 +402,7 @@
void free_initmem(void)
{
ppc_md.progress = ppc_printk_progress;
+ mark_initmem_nx();
free_initmem_default(POISON_FREE_INITMEM);
}
diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c
index abed1fe..a75f638 100644
--- a/arch/powerpc/mm/mmu_context_book3s64.c
+++ b/arch/powerpc/mm/mmu_context_book3s64.c
@@ -126,9 +126,10 @@
static int radix__init_new_context(struct mm_struct *mm)
{
unsigned long rts_field;
- int index;
+ int index, max_id;
- index = alloc_context_id(1, PRTB_ENTRIES - 1);
+ max_id = (1 << mmu_pid_bits) - 1;
+ index = alloc_context_id(mmu_base_pid, max_id);
if (index < 0)
return index;
diff --git a/arch/powerpc/mm/pgtable-hash64.c b/arch/powerpc/mm/pgtable-hash64.c
index 188b410..443a2c6 100644
--- a/arch/powerpc/mm/pgtable-hash64.c
+++ b/arch/powerpc/mm/pgtable-hash64.c
@@ -425,33 +425,51 @@
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#ifdef CONFIG_STRICT_KERNEL_RWX
-void hash__mark_rodata_ro(void)
+static bool hash__change_memory_range(unsigned long start, unsigned long end,
+ unsigned long newpp)
{
- unsigned long start = (unsigned long)_stext;
- unsigned long end = (unsigned long)__init_begin;
unsigned long idx;
unsigned int step, shift;
- unsigned long newpp = PP_RXXX;
shift = mmu_psize_defs[mmu_linear_psize].shift;
step = 1 << shift;
- start = ((start + step - 1) >> shift) << shift;
- end = (end >> shift) << shift;
+ start = ALIGN_DOWN(start, step);
+ end = ALIGN(end, step); // aligns up
- pr_devel("marking ro start %lx, end %lx, step %x\n",
- start, end, step);
+ if (start >= end)
+ return false;
- if (start == end) {
- pr_warn("could not set rodata ro, relocate the start"
- " of the kernel to a 0x%x boundary\n", step);
- return;
- }
+ pr_debug("Changing page protection on range 0x%lx-0x%lx, to 0x%lx, step 0x%x\n",
+ start, end, newpp, step);
for (idx = start; idx < end; idx += step)
/* Not sure if we can do much with the return value */
mmu_hash_ops.hpte_updateboltedpp(newpp, idx, mmu_linear_psize,
mmu_kernel_ssize);
+ return true;
+}
+
+void hash__mark_rodata_ro(void)
+{
+ unsigned long start, end;
+
+ start = (unsigned long)_stext;
+ end = (unsigned long)__init_begin;
+
+ WARN_ON(!hash__change_memory_range(start, end, PP_RXXX));
+}
+
+void hash__mark_initmem_nx(void)
+{
+ unsigned long start, end, pp;
+
+ start = (unsigned long)__init_begin;
+ end = (unsigned long)__init_end;
+
+ pp = htab_convert_pte_flags(pgprot_val(PAGE_KERNEL));
+
+ WARN_ON(!hash__change_memory_range(start, end, pp));
}
#endif
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 8c13e42..671a45d 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -25,6 +25,9 @@
#include <trace/events/thp.h>
+unsigned int mmu_pid_bits;
+unsigned int mmu_base_pid;
+
static int native_register_process_table(unsigned long base, unsigned long pg_sz,
unsigned long table_size)
{
@@ -112,10 +115,9 @@
}
#ifdef CONFIG_STRICT_KERNEL_RWX
-void radix__mark_rodata_ro(void)
+void radix__change_memory_range(unsigned long start, unsigned long end,
+ unsigned long clear)
{
- unsigned long start = (unsigned long)_stext;
- unsigned long end = (unsigned long)__init_begin;
unsigned long idx;
pgd_t *pgdp;
pud_t *pudp;
@@ -125,7 +127,8 @@
start = ALIGN_DOWN(start, PAGE_SIZE);
end = PAGE_ALIGN(end); // aligns up
- pr_devel("marking ro start %lx, end %lx\n", start, end);
+ pr_debug("Changing flags on range %lx-%lx removing 0x%lx\n",
+ start, end, clear);
for (idx = start; idx < end; idx += PAGE_SIZE) {
pgdp = pgd_offset_k(idx);
@@ -147,11 +150,29 @@
if (!ptep)
continue;
update_the_pte:
- radix__pte_update(&init_mm, idx, ptep, _PAGE_WRITE, 0, 0);
+ radix__pte_update(&init_mm, idx, ptep, clear, 0, 0);
}
radix__flush_tlb_kernel_range(start, end);
}
+
+void radix__mark_rodata_ro(void)
+{
+ unsigned long start, end;
+
+ start = (unsigned long)_stext;
+ end = (unsigned long)__init_begin;
+
+ radix__change_memory_range(start, end, _PAGE_WRITE);
+}
+
+void radix__mark_initmem_nx(void)
+{
+ unsigned long start = (unsigned long)__init_begin;
+ unsigned long end = (unsigned long)__init_end;
+
+ radix__change_memory_range(start, end, _PAGE_EXEC);
+}
#endif /* CONFIG_STRICT_KERNEL_RWX */
static inline void __meminit print_mapping(unsigned long start,
@@ -243,11 +264,34 @@
for_each_memblock(memory, reg)
WARN_ON(create_physical_mapping(reg->base,
reg->base + reg->size));
+
+ /* Find out how many PID bits are supported */
+ if (cpu_has_feature(CPU_FTR_HVMODE)) {
+ if (!mmu_pid_bits)
+ mmu_pid_bits = 20;
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ /*
+ * When KVM is possible, we only use the top half of the
+ * PID space to avoid collisions between host and guest PIDs
+ * which can cause problems due to prefetch when exiting the
+ * guest with AIL=3
+ */
+ mmu_base_pid = 1 << (mmu_pid_bits - 1);
+#else
+ mmu_base_pid = 1;
+#endif
+ } else {
+ /* The guest uses the bottom half of the PID space */
+ if (!mmu_pid_bits)
+ mmu_pid_bits = 19;
+ mmu_base_pid = 1;
+ }
+
/*
* Allocate Partition table and process table for the
* host.
*/
- BUILD_BUG_ON_MSG((PRTB_SIZE_SHIFT > 36), "Process table size too large.");
+ BUG_ON(PRTB_SIZE_SHIFT > 36);
process_tb = early_alloc_pgtable(1UL << PRTB_SIZE_SHIFT);
/*
* Fill in the process table.
@@ -321,6 +365,12 @@
if (type == NULL || strcmp(type, "cpu") != 0)
return 0;
+ /* Find MMU PID size */
+ prop = of_get_flat_dt_prop(node, "ibm,mmu-pid-bits", &size);
+ if (prop && size == 4)
+ mmu_pid_bits = be32_to_cpup(prop);
+
+ /* Grab page size encodings */
prop = of_get_flat_dt_prop(node, "ibm,processor-radix-AP-encodings", &size);
if (!prop)
return 0;
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 5c0b795..0736e94 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -505,4 +505,12 @@
else
hash__mark_rodata_ro();
}
+
+void mark_initmem_nx(void)
+{
+ if (radix_enabled())
+ radix__mark_initmem_nx();
+ else
+ hash__mark_initmem_nx();
+}
#endif
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index e94fbd4..781532d 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -36,7 +36,7 @@
}
}
addr = 0;
- for (i = 0; i < 2; ++i) {
+ for (i = 0; i < (TASK_SIZE_USER64 >> 43); ++i) {
p = spt->protptrs[i];
if (!p)
continue;
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index 744e016..16ae1bb 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -12,12 +12,12 @@
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <linux/memblock.h>
-#include <asm/ppc-opcode.h>
+#include <asm/ppc-opcode.h>
#include <asm/tlb.h>
#include <asm/tlbflush.h>
#include <asm/trace.h>
-
+#include <asm/cputhreads.h>
#define RIC_FLUSH_TLB 0
#define RIC_FLUSH_PWC 1
@@ -454,3 +454,44 @@
else
radix__flush_tlb_page_psize(mm, address, mmu_virtual_psize);
}
+
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+extern void radix_kvm_prefetch_workaround(struct mm_struct *mm)
+{
+ unsigned int pid = mm->context.id;
+
+ if (unlikely(pid == MMU_NO_CONTEXT))
+ return;
+
+ /*
+ * If this context hasn't run on that CPU before and KVM is
+ * around, there's a slim chance that the guest on another
+ * CPU just brought in obsolete translation into the TLB of
+ * this CPU due to a bad prefetch using the guest PID on
+ * the way into the hypervisor.
+ *
+ * We work around this here. If KVM is possible, we check if
+ * any sibling thread is in KVM. If it is, the window may exist
+ * and thus we flush that PID from the core.
+ *
+ * A potential future improvement would be to mark which PIDs
+ * have never been used on the system and avoid it if the PID
+ * is new and the process has no other cpumask bit set.
+ */
+ if (cpu_has_feature(CPU_FTR_HVMODE) && radix_enabled()) {
+ int cpu = smp_processor_id();
+ int sib = cpu_first_thread_sibling(cpu);
+ bool flush = false;
+
+ for (; sib <= cpu_last_thread_sibling(cpu) && !flush; sib++) {
+ if (sib == cpu)
+ continue;
+ if (paca[sib].kvm_hstate.kvm_vcpu)
+ flush = true;
+ }
+ if (flush)
+ _tlbiel_pid(pid, RIC_FLUSH_ALL);
+ }
+}
+EXPORT_SYMBOL_GPL(radix_kvm_prefetch_workaround);
+#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index d7c9b18..763ffca 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -89,7 +89,7 @@
goto err;
ret = of_irq_to_resource(np, 0, &res[1]);
- if (!ret)
+ if (ret <= 0)
goto err;
pdev = platform_device_alloc("mpc83xx_spi", i);
diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
index 2abee07..a553aee 100644
--- a/arch/powerpc/platforms/powernv/idle.c
+++ b/arch/powerpc/platforms/powernv/idle.c
@@ -56,6 +56,7 @@
*/
static u64 pnv_deepest_stop_psscr_val;
static u64 pnv_deepest_stop_psscr_mask;
+static u64 pnv_deepest_stop_flag;
static bool deepest_stop_found;
static int pnv_save_sprs_for_deep_states(void)
@@ -185,8 +186,40 @@
update_subcore_sibling_mask();
- if (supported_cpuidle_states & OPAL_PM_LOSE_FULL_CONTEXT)
- pnv_save_sprs_for_deep_states();
+ if (supported_cpuidle_states & OPAL_PM_LOSE_FULL_CONTEXT) {
+ int rc = pnv_save_sprs_for_deep_states();
+
+ if (likely(!rc))
+ return;
+
+ /*
+ * The stop-api is unable to restore hypervisor
+ * resources on wakeup from platform idle states which
+ * lose full context. So disable such states.
+ */
+ supported_cpuidle_states &= ~OPAL_PM_LOSE_FULL_CONTEXT;
+ pr_warn("cpuidle-powernv: Disabling idle states that lose full context\n");
+ pr_warn("cpuidle-powernv: Idle power-savings, CPU-Hotplug affected\n");
+
+ if (cpu_has_feature(CPU_FTR_ARCH_300) &&
+ (pnv_deepest_stop_flag & OPAL_PM_LOSE_FULL_CONTEXT)) {
+ /*
+ * Use the default stop state for CPU-Hotplug
+ * if available.
+ */
+ if (default_stop_found) {
+ pnv_deepest_stop_psscr_val =
+ pnv_default_stop_val;
+ pnv_deepest_stop_psscr_mask =
+ pnv_default_stop_mask;
+ pr_warn("cpuidle-powernv: Offlined CPUs will stop with psscr = 0x%016llx\n",
+ pnv_deepest_stop_psscr_val);
+ } else { /* Fallback to snooze loop for CPU-Hotplug */
+ deepest_stop_found = false;
+ pr_warn("cpuidle-powernv: Offlined CPUs will busy wait\n");
+ }
+ }
+ }
}
u32 pnv_get_supported_cpuidle_states(void)
@@ -375,7 +408,8 @@
pnv_deepest_stop_psscr_val;
srr1 = power9_idle_stop(psscr);
- } else if (idle_states & OPAL_PM_WINKLE_ENABLED) {
+ } else if ((idle_states & OPAL_PM_WINKLE_ENABLED) &&
+ (idle_states & OPAL_PM_LOSE_FULL_CONTEXT)) {
srr1 = power7_idle_insn(PNV_THREAD_WINKLE);
} else if ((idle_states & OPAL_PM_SLEEP_ENABLED) ||
(idle_states & OPAL_PM_SLEEP_ENABLED_ER1)) {
@@ -553,6 +587,7 @@
max_residency_ns = residency_ns[i];
pnv_deepest_stop_psscr_val = psscr_val[i];
pnv_deepest_stop_psscr_mask = psscr_mask[i];
+ pnv_deepest_stop_flag = flags[i];
deepest_stop_found = true;
}
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c
index b5d960d..4c7b859 100644
--- a/arch/powerpc/platforms/powernv/npu-dma.c
+++ b/arch/powerpc/platforms/powernv/npu-dma.c
@@ -614,15 +614,6 @@
mmio_invalidate(npu_context, 1, address, true);
}
-static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- struct npu_context *npu_context = mn_to_npu_context(mn);
-
- mmio_invalidate(npu_context, 1, address, true);
-}
-
static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start, unsigned long end)
@@ -640,7 +631,6 @@
static const struct mmu_notifier_ops nv_nmmu_notifier_ops = {
.release = pnv_npu2_mn_release,
.change_pte = pnv_npu2_mn_change_pte,
- .invalidate_page = pnv_npu2_mn_invalidate_page,
.invalidate_range = pnv_npu2_mn_invalidate_range,
};
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 9b87abb..cad6b57 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -78,7 +78,7 @@
* ie. Host hash supports hash guests
* Host radix supports hash/radix guests
*/
- if (cpu_has_feature(CPU_FTR_ARCH_300)) {
+ if (early_cpu_has_feature(CPU_FTR_ARCH_300)) {
reinit_flags |= OPAL_REINIT_CPUS_MMU_HASH;
if (early_radix_enabled())
reinit_flags |= OPAL_REINIT_CPUS_MMU_RADIX;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 4376135..b900eb1 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1852,6 +1852,14 @@
/* 4GB offset bypasses 32-bit space */
set_dma_offset(&pdev->dev, (1ULL << 32));
set_dma_ops(&pdev->dev, &dma_direct_ops);
+ } else if (dma_mask >> 32 && dma_mask != DMA_BIT_MASK(64)) {
+ /*
+ * Fail the request if a DMA mask between 32 and 64 bits
+ * was requested but couldn't be fulfilled. Ideally we
+ * would do this for 64-bits but historically we have
+ * always fallen back to 32-bits.
+ */
+ return -ENOMEM;
} else {
dev_info(&pdev->dev, "Using 32-bit DMA via iommu\n");
set_dma_ops(&pdev->dev, &dma_iommu_ops);
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index e5bf1e8..011ef21 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -82,7 +82,6 @@
of_detach_node(np);
of_node_put(parent);
- of_node_put(np); /* Must decrement the refcount */
return 0;
}
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 1bbd9db..ce9cc12 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -14,7 +14,7 @@
".section .rodata.str,\"aMS\",@progbits,1\n" \
"2: .asciz \""__FILE__"\"\n" \
".previous\n" \
- ".section __bug_table,\"a\"\n" \
+ ".section __bug_table,\"aw\"\n" \
"3: .long 1b-3b,2b-3b\n" \
" .short %0,%1\n" \
" .org 3b+%2\n" \
@@ -30,7 +30,7 @@
asm volatile( \
"0: j 0b+2\n" \
"1:\n" \
- ".section __bug_table,\"a\"\n" \
+ ".section __bug_table,\"aw\"\n" \
"2: .long 1b-2b\n" \
" .short %0\n" \
" .org 2b+%1\n" \
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 4541ac4..24bc416 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -44,6 +44,11 @@
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_REGION3;
break;
+ case -PAGE_SIZE:
+ /* forked 5-level task, set new asce with new_mm->pgd */
+ mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
+ _ASCE_USER_BITS | _ASCE_TYPE_REGION1;
+ break;
case 1UL << 53:
/* forked 4-level task, set new asce with new mm->pgd */
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 7317b31..2eb8ff0 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -47,10 +47,9 @@
extern void tlb_table_flush(struct mmu_gather *tlb);
extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
-static inline void tlb_gather_mmu(struct mmu_gather *tlb,
- struct mm_struct *mm,
- unsigned long start,
- unsigned long end)
+static inline void
+arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->start = start;
@@ -76,9 +75,15 @@
tlb_flush_mmu_free(tlb);
}
-static inline void tlb_finish_mmu(struct mmu_gather *tlb,
- unsigned long start, unsigned long end)
+static inline void
+arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
+ if (force) {
+ tlb->start = start;
+ tlb->end = end;
+ }
+
tlb_flush_mmu(tlb);
}
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 0c82f79..c1bf75f 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -998,7 +998,7 @@
psw_bits(regs.psw).ia = sfr->basic.ia;
psw_bits(regs.psw).dat = sfr->basic.T;
psw_bits(regs.psw).wait = sfr->basic.W;
- psw_bits(regs.psw).per = sfr->basic.P;
+ psw_bits(regs.psw).pstate = sfr->basic.P;
psw_bits(regs.psw).as = sfr->basic.AS;
/*
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3f2884e..af09d34 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -1324,7 +1324,7 @@
{
uint8_t *keys;
uint64_t hva;
- int i, r = 0;
+ int srcu_idx, i, r = 0;
if (args->flags != 0)
return -EINVAL;
@@ -1342,6 +1342,7 @@
return -ENOMEM;
down_read(¤t->mm->mmap_sem);
+ srcu_idx = srcu_read_lock(&kvm->srcu);
for (i = 0; i < args->count; i++) {
hva = gfn_to_hva(kvm, args->start_gfn + i);
if (kvm_is_error_hva(hva)) {
@@ -1353,6 +1354,7 @@
if (r)
break;
}
+ srcu_read_unlock(&kvm->srcu, srcu_idx);
up_read(¤t->mm->mmap_sem);
if (!r) {
@@ -1370,7 +1372,7 @@
{
uint8_t *keys;
uint64_t hva;
- int i, r = 0;
+ int srcu_idx, i, r = 0;
if (args->flags != 0)
return -EINVAL;
@@ -1396,6 +1398,7 @@
goto out;
down_read(¤t->mm->mmap_sem);
+ srcu_idx = srcu_read_lock(&kvm->srcu);
for (i = 0; i < args->count; i++) {
hva = gfn_to_hva(kvm, args->start_gfn + i);
if (kvm_is_error_hva(hva)) {
@@ -1413,6 +1416,7 @@
if (r)
break;
}
+ srcu_read_unlock(&kvm->srcu, srcu_idx);
up_read(¤t->mm->mmap_sem);
out:
kvfree(keys);
diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c
index 926b524..a2e5c24 100644
--- a/arch/s390/kvm/sthyi.c
+++ b/arch/s390/kvm/sthyi.c
@@ -394,7 +394,7 @@
"srl %[cc],28\n"
: [cc] "=d" (cc)
: [code] "d" (code), [addr] "a" (addr)
- : "memory", "cc");
+ : "3", "memory", "cc");
return cc;
}
@@ -425,7 +425,7 @@
VCPU_EVENT(vcpu, 3, "STHYI: fc: %llu addr: 0x%016llx", code, addr);
trace_kvm_s390_handle_sthyi(vcpu, code, addr);
- if (reg1 == reg2 || reg1 & 1 || reg2 & 1 || addr & ~PAGE_MASK)
+ if (reg1 == reg2 || reg1 & 1 || reg2 & 1)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
if (code & 0xffff) {
@@ -433,6 +433,9 @@
goto out;
}
+ if (addr & ~PAGE_MASK)
+ return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
+
/*
* If the page has not yet been faulted in, we want to do that
* now and not after all the expensive calculations.
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 2e10d2b..5bea139 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -119,7 +119,8 @@
return addr;
check_asce_limit:
- if (addr + len > current->mm->context.asce_limit) {
+ if (addr + len > current->mm->context.asce_limit &&
+ addr + len <= TASK_SIZE) {
rc = crst_table_upgrade(mm, addr + len);
if (rc)
return (unsigned long) rc;
@@ -183,7 +184,8 @@
}
check_asce_limit:
- if (addr + len > current->mm->context.asce_limit) {
+ if (addr + len > current->mm->context.asce_limit &&
+ addr + len <= TASK_SIZE) {
rc = crst_table_upgrade(mm, addr + len);
if (rc)
return (unsigned long) rc;
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index d4d409b..4a1f736 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -591,11 +591,11 @@
unsigned long ptev;
pgste_t pgste;
- /* Clear storage key */
+ /* Clear storage key ACC and F, but set R/C */
preempt_disable();
pgste = pgste_get_lock(ptep);
- pgste_val(pgste) &= ~(PGSTE_ACC_BITS | PGSTE_FP_BIT |
- PGSTE_GR_BIT | PGSTE_GC_BIT);
+ pgste_val(pgste) &= ~(PGSTE_ACC_BITS | PGSTE_FP_BIT);
+ pgste_val(pgste) |= PGSTE_GR_BIT | PGSTE_GC_BIT;
ptev = pte_val(*ptep);
if (!(ptev & _PAGE_INVALID) && (ptev & _PAGE_WRITE))
page_set_storage_key(ptev & PAGE_MASK, PAGE_DEFAULT_KEY, 1);
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 01c6fbc..1803797 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1253,7 +1253,8 @@
insn_count = bpf_jit_insn(jit, fp, i);
if (insn_count < 0)
return -1;
- jit->addrs[i + 1] = jit->prg; /* Next instruction address */
+ /* Next instruction address */
+ jit->addrs[i + insn_count] = jit->prg;
}
bpf_jit_epilogue(jit);
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index c9828f7..5b50863 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -24,14 +24,14 @@
*/
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _EMIT_BUG_ENTRY \
- "\t.pushsection __bug_table,\"a\"\n" \
+ "\t.pushsection __bug_table,\"aw\"\n" \
"2:\t.long 1b, %O1\n" \
"\t.short %O2, %O3\n" \
"\t.org 2b+%O4\n" \
"\t.popsection\n"
#else
#define _EMIT_BUG_ENTRY \
- "\t.pushsection __bug_table,\"a\"\n" \
+ "\t.pushsection __bug_table,\"aw\"\n" \
"2:\t.long 1b\n" \
"\t.short %O3\n" \
"\t.org 2b+%O4\n" \
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index 46e0d63..51a8bc9 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -36,7 +36,8 @@
}
static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
+arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->start = start;
@@ -47,9 +48,10 @@
}
static inline void
-tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
- if (tlb->fullmm)
+ if (tlb->fullmm || force)
flush_tlb_mm(tlb->mm);
/* keep the page table cache within bounds */
diff --git a/arch/sh/include/uapi/asm/ioctls.h b/arch/sh/include/uapi/asm/ioctls.h
index eec7901..787bac9 100644
--- a/arch/sh/include/uapi/asm/ioctls.h
+++ b/arch/sh/include/uapi/asm/ioctls.h
@@ -93,7 +93,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCSERCONFIG _IO('T', 83) /* 0x5453 */
#define TIOCSERGWILD _IOR('T', 84, int) /* 0x5454 */
diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig
index c74d370..207a43a 100644
--- a/arch/sparc/configs/sparc32_defconfig
+++ b/arch/sparc/configs/sparc32_defconfig
@@ -1,4 +1,3 @@
-CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_LOG_BUF_SHIFT=14
@@ -23,7 +22,6 @@
CONFIG_INET_AH=y
CONFIG_INET_ESP=y
CONFIG_INET_IPCOMP=y
-# CONFIG_INET_LRO is not set
CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_IPCOMP=m
@@ -69,7 +67,6 @@
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
-CONFIG_AUTOFS_FS=m
CONFIG_AUTOFS4_FS=m
CONFIG_ISO9660_FS=m
CONFIG_PROC_KCORE=y
@@ -82,7 +79,6 @@
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_KGDB=y
CONFIG_KGDB_TESTS=y
CONFIG_CRYPTO_NULL=m
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index b2e650d..ca8609d 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -1,5 +1,4 @@
CONFIG_64BIT=y
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@@ -184,7 +183,6 @@
CONFIG_HID_THRUSTMASTER=y
CONFIG_HID_ZEROPLUS=y
CONFIG_USB=y
-# CONFIG_USB_DEVICE_CLASS is not set
CONFIG_USB_EHCI_HCD=m
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_OHCI_HCD=y
@@ -210,8 +208,6 @@
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_SCHEDSTATS=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_UPROBE_EVENTS=y
CONFIG_KEYS=y
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 2cddcda..87841d6 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -27,9 +27,11 @@
void __tsb_context_switch(unsigned long pgd_pa,
struct tsb_config *tsb_base,
struct tsb_config *tsb_huge,
- unsigned long tsb_descr_pa);
+ unsigned long tsb_descr_pa,
+ unsigned long secondary_ctx);
-static inline void tsb_context_switch(struct mm_struct *mm)
+static inline void tsb_context_switch_ctx(struct mm_struct *mm,
+ unsigned long ctx)
{
__tsb_context_switch(__pa(mm->pgd),
&mm->context.tsb_block[MM_TSB_BASE],
@@ -40,9 +42,12 @@
#else
NULL
#endif
- , __pa(&mm->context.tsb_descr[MM_TSB_BASE]));
+ , __pa(&mm->context.tsb_descr[MM_TSB_BASE]),
+ ctx);
}
+#define tsb_context_switch(X) tsb_context_switch_ctx(X, 0)
+
void tsb_grow(struct mm_struct *mm,
unsigned long tsb_index,
unsigned long mm_rss);
@@ -112,8 +117,7 @@
* cpu0 to update it's TSB because at that point the cpu_vm_mask
* only had cpu1 set in it.
*/
- load_secondary_context(mm);
- tsb_context_switch(mm);
+ tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
/* Any time a processor runs a context on an address space
* for the first time, we must flush that context out of the
diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h
index 0efd058..6249214 100644
--- a/arch/sparc/include/asm/page_32.h
+++ b/arch/sparc/include/asm/page_32.h
@@ -68,6 +68,7 @@
#define iopgprot_val(x) ((x).iopgprot)
#define __pte(x) ((pte_t) { (x) } )
+#define __pmd(x) ((pmd_t) { { (x) }, })
#define __iopte(x) ((iopte_t) { (x) } )
#define __pgd(x) ((pgd_t) { (x) } )
#define __ctxd(x) ((ctxd_t) { (x) } )
@@ -95,6 +96,7 @@
#define iopgprot_val(x) (x)
#define __pte(x) (x)
+#define __pmd(x) ((pmd_t) { { (x) }, })
#define __iopte(x) (x)
#define __pgd(x) (x)
#define __ctxd(x) (x)
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 1d8321c..1b1286d 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -47,10 +47,26 @@
#define SUN4V_CHIP_NIAGARA5 0x05
#define SUN4V_CHIP_SPARC_M6 0x06
#define SUN4V_CHIP_SPARC_M7 0x07
+#define SUN4V_CHIP_SPARC_M8 0x08
#define SUN4V_CHIP_SPARC64X 0x8a
#define SUN4V_CHIP_SPARC_SN 0x8b
#define SUN4V_CHIP_UNKNOWN 0xff
+/*
+ * The following CPU_ID_xxx constants are used
+ * to identify the CPU type in the setup phase
+ * (see head_64.S)
+ */
+#define CPU_ID_NIAGARA1 ('1')
+#define CPU_ID_NIAGARA2 ('2')
+#define CPU_ID_NIAGARA3 ('3')
+#define CPU_ID_NIAGARA4 ('4')
+#define CPU_ID_NIAGARA5 ('5')
+#define CPU_ID_M6 ('6')
+#define CPU_ID_M7 ('7')
+#define CPU_ID_M8 ('8')
+#define CPU_ID_SONOMA1 ('N')
+
#ifndef __ASSEMBLY__
enum ultra_tlb_layout {
diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h
index ec9c04d..ff05992 100644
--- a/arch/sparc/include/asm/trap_block.h
+++ b/arch/sparc/include/asm/trap_block.h
@@ -54,6 +54,7 @@
void init_cur_cpu_trap(struct thread_info *);
void setup_tba(void);
extern int ncpus_probed;
+extern u64 cpu_mondo_counter[NR_CPUS];
unsigned long real_hard_smp_processor_id(void);
diff --git a/arch/sparc/include/uapi/asm/ioctls.h b/arch/sparc/include/uapi/asm/ioctls.h
index 6d27398..f5df72b 100644
--- a/arch/sparc/include/uapi/asm/ioctls.h
+++ b/arch/sparc/include/uapi/asm/ioctls.h
@@ -88,7 +88,7 @@
#define TIOCGPTN _IOR('t', 134, unsigned int) /* Get Pty Number */
#define TIOCSPTLCK _IOW('t', 135, int) /* Lock/unlock PTY */
#define TIOCSIG _IOW('t', 136, int) /* Generate signal on Pty slave */
-#define TIOCGPTPEER _IOR('t', 137, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('t', 137) /* Safely open the slave */
/* Little f */
#define FIOCLEX _IO('f', 1)
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 493e023..ef4f18f 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -506,6 +506,12 @@
sparc_pmu_type = "sparc-m7";
break;
+ case SUN4V_CHIP_SPARC_M8:
+ sparc_cpu_type = "SPARC-M8";
+ sparc_fpu_type = "SPARC-M8 integrated FPU";
+ sparc_pmu_type = "sparc-m8";
+ break;
+
case SUN4V_CHIP_SPARC_SN:
sparc_cpu_type = "SPARC-SN";
sparc_fpu_type = "SPARC-SN integrated FPU";
diff --git a/arch/sparc/kernel/cpumap.c b/arch/sparc/kernel/cpumap.c
index 45c820e..90d550b 100644
--- a/arch/sparc/kernel/cpumap.c
+++ b/arch/sparc/kernel/cpumap.c
@@ -328,6 +328,7 @@
case SUN4V_CHIP_NIAGARA5:
case SUN4V_CHIP_SPARC_M6:
case SUN4V_CHIP_SPARC_M7:
+ case SUN4V_CHIP_SPARC_M8:
case SUN4V_CHIP_SPARC_SN:
case SUN4V_CHIP_SPARC64X:
rover_inc_table = niagara_iterate_method;
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 41a4073..78e0211 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -424,22 +424,25 @@
nop
70: ldub [%g1 + 7], %g2
- cmp %g2, '3'
+ cmp %g2, CPU_ID_NIAGARA3
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA3, %g4
- cmp %g2, '4'
+ cmp %g2, CPU_ID_NIAGARA4
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA4, %g4
- cmp %g2, '5'
+ cmp %g2, CPU_ID_NIAGARA5
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA5, %g4
- cmp %g2, '6'
+ cmp %g2, CPU_ID_M6
be,pt %xcc, 5f
mov SUN4V_CHIP_SPARC_M6, %g4
- cmp %g2, '7'
+ cmp %g2, CPU_ID_M7
be,pt %xcc, 5f
mov SUN4V_CHIP_SPARC_M7, %g4
- cmp %g2, 'N'
+ cmp %g2, CPU_ID_M8
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_SPARC_M8, %g4
+ cmp %g2, CPU_ID_SONOMA1
be,pt %xcc, 5f
mov SUN4V_CHIP_SPARC_SN, %g4
ba,pt %xcc, 49f
@@ -448,10 +451,10 @@
91: sethi %hi(prom_cpu_compatible), %g1
or %g1, %lo(prom_cpu_compatible), %g1
ldub [%g1 + 17], %g2
- cmp %g2, '1'
+ cmp %g2, CPU_ID_NIAGARA1
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA1, %g4
- cmp %g2, '2'
+ cmp %g2, CPU_ID_NIAGARA2
be,pt %xcc, 5f
mov SUN4V_CHIP_NIAGARA2, %g4
@@ -602,6 +605,9 @@
cmp %g1, SUN4V_CHIP_SPARC_M7
be,pt %xcc, niagara4_patch
nop
+ cmp %g1, SUN4V_CHIP_SPARC_M8
+ be,pt %xcc, niagara4_patch
+ nop
cmp %g1, SUN4V_CHIP_SPARC_SN
be,pt %xcc, niagara4_patch
nop
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 24f21c7..9ebebf1 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -673,12 +673,14 @@
static int dma_4v_supported(struct device *dev, u64 device_mask)
{
struct iommu *iommu = dev->archdata.iommu;
- u64 dma_addr_mask;
+ u64 dma_addr_mask = iommu->dma_addr_mask;
- if (device_mask > DMA_BIT_MASK(32) && iommu->atu)
- dma_addr_mask = iommu->atu->dma_addr_mask;
- else
- dma_addr_mask = iommu->dma_addr_mask;
+ if (device_mask > DMA_BIT_MASK(32)) {
+ if (iommu->atu)
+ dma_addr_mask = iommu->atu->dma_addr_mask;
+ else
+ return 0;
+ }
if ((device_mask & dma_addr_mask) == dma_addr_mask)
return 1;
@@ -1264,8 +1266,6 @@
* ATU group, but ATU hcalls won't be available.
*/
hv_atu = false;
- pr_err(PFX "Could not register hvapi ATU err=%d\n",
- err);
} else {
pr_info(PFX "Registered hvapi ATU major[%lu] minor[%lu]\n",
vatu_major, vatu_minor);
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index a38787b..732af9a 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -602,7 +602,7 @@
{
struct pci_dev *dev;
int i, has_io, has_mem;
- unsigned int cmd;
+ unsigned int cmd = 0;
struct linux_pcic *pcic;
/* struct linux_pbm_info* pbm = &pcic->pbm; */
int node;
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 4d9c3e1..150ee7d 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -288,10 +288,17 @@
sun4v_patch_2insn_range(&__sun4v_2insn_patch,
&__sun4v_2insn_patch_end);
- if (sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
- sun4v_chip_type == SUN4V_CHIP_SPARC_SN)
+
+ switch (sun4v_chip_type) {
+ case SUN4V_CHIP_SPARC_M7:
+ case SUN4V_CHIP_SPARC_M8:
+ case SUN4V_CHIP_SPARC_SN:
sun_m7_patch_2insn_range(&__sun_m7_2insn_patch,
&__sun_m7_2insn_patch_end);
+ break;
+ default:
+ break;
+ }
sun4v_hvapi_init();
}
@@ -529,6 +536,7 @@
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+ sun4v_chip_type == SUN4V_CHIP_SPARC_M8 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= HWCAP_SPARC_BLKINIT;
@@ -538,6 +546,7 @@
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+ sun4v_chip_type == SUN4V_CHIP_SPARC_M8 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= HWCAP_SPARC_N2;
@@ -568,6 +577,7 @@
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+ sun4v_chip_type == SUN4V_CHIP_SPARC_M8 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
@@ -578,6 +588,7 @@
sun4v_chip_type == SUN4V_CHIP_NIAGARA5 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M6 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_M7 ||
+ sun4v_chip_type == SUN4V_CHIP_SPARC_M8 ||
sun4v_chip_type == SUN4V_CHIP_SPARC_SN ||
sun4v_chip_type == SUN4V_CHIP_SPARC64X)
cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index fdf3104..3218bc4 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -622,22 +622,48 @@
}
}
-/* Multi-cpu list version. */
+#define CPU_MONDO_COUNTER(cpuid) (cpu_mondo_counter[cpuid])
+#define MONDO_USEC_WAIT_MIN 2
+#define MONDO_USEC_WAIT_MAX 100
+#define MONDO_RETRY_LIMIT 500000
+
+/* Multi-cpu list version.
+ *
+ * Deliver xcalls to 'cnt' number of cpus in 'cpu_list'.
+ * Sometimes not all cpus receive the mondo, requiring us to re-send
+ * the mondo until all cpus have received, or cpus are truly stuck
+ * unable to receive mondo, and we timeout.
+ * Occasionally a target cpu strand is borrowed briefly by hypervisor to
+ * perform guest service, such as PCIe error handling. Consider the
+ * service time, 1 second overall wait is reasonable for 1 cpu.
+ * Here two in-between mondo check wait time are defined: 2 usec for
+ * single cpu quick turn around and up to 100usec for large cpu count.
+ * Deliver mondo to large number of cpus could take longer, we adjusts
+ * the retry count as long as target cpus are making forward progress.
+ */
static void hypervisor_xcall_deliver(struct trap_per_cpu *tb, int cnt)
{
- int retries, this_cpu, prev_sent, i, saw_cpu_error;
+ int this_cpu, tot_cpus, prev_sent, i, rem;
+ int usec_wait, retries, tot_retries;
+ u16 first_cpu = 0xffff;
+ unsigned long xc_rcvd = 0;
unsigned long status;
+ int ecpuerror_id = 0;
+ int enocpu_id = 0;
u16 *cpu_list;
+ u16 cpu;
this_cpu = smp_processor_id();
-
cpu_list = __va(tb->cpu_list_pa);
-
- saw_cpu_error = 0;
- retries = 0;
+ usec_wait = cnt * MONDO_USEC_WAIT_MIN;
+ if (usec_wait > MONDO_USEC_WAIT_MAX)
+ usec_wait = MONDO_USEC_WAIT_MAX;
+ retries = tot_retries = 0;
+ tot_cpus = cnt;
prev_sent = 0;
+
do {
- int forward_progress, n_sent;
+ int n_sent, mondo_delivered, target_cpu_busy;
status = sun4v_cpu_mondo_send(cnt,
tb->cpu_list_pa,
@@ -645,94 +671,113 @@
/* HV_EOK means all cpus received the xcall, we're done. */
if (likely(status == HV_EOK))
- break;
+ goto xcall_done;
+
+ /* If not these non-fatal errors, panic */
+ if (unlikely((status != HV_EWOULDBLOCK) &&
+ (status != HV_ECPUERROR) &&
+ (status != HV_ENOCPU)))
+ goto fatal_errors;
/* First, see if we made any forward progress.
*
+ * Go through the cpu_list, count the target cpus that have
+ * received our mondo (n_sent), and those that did not (rem).
+ * Re-pack cpu_list with the cpus remain to be retried in the
+ * front - this simplifies tracking the truly stalled cpus.
+ *
* The hypervisor indicates successful sends by setting
* cpu list entries to the value 0xffff.
+ *
+ * EWOULDBLOCK means some target cpus did not receive the
+ * mondo and retry usually helps.
+ *
+ * ECPUERROR means at least one target cpu is in error state,
+ * it's usually safe to skip the faulty cpu and retry.
+ *
+ * ENOCPU means one of the target cpu doesn't belong to the
+ * domain, perhaps offlined which is unexpected, but not
+ * fatal and it's okay to skip the offlined cpu.
*/
+ rem = 0;
n_sent = 0;
for (i = 0; i < cnt; i++) {
- if (likely(cpu_list[i] == 0xffff))
+ cpu = cpu_list[i];
+ if (likely(cpu == 0xffff)) {
n_sent++;
+ } else if ((status == HV_ECPUERROR) &&
+ (sun4v_cpu_state(cpu) == HV_CPU_STATE_ERROR)) {
+ ecpuerror_id = cpu + 1;
+ } else if (status == HV_ENOCPU && !cpu_online(cpu)) {
+ enocpu_id = cpu + 1;
+ } else {
+ cpu_list[rem++] = cpu;
+ }
}
- forward_progress = 0;
- if (n_sent > prev_sent)
- forward_progress = 1;
+ /* No cpu remained, we're done. */
+ if (rem == 0)
+ break;
+ /* Otherwise, update the cpu count for retry. */
+ cnt = rem;
+
+ /* Record the overall number of mondos received by the
+ * first of the remaining cpus.
+ */
+ if (first_cpu != cpu_list[0]) {
+ first_cpu = cpu_list[0];
+ xc_rcvd = CPU_MONDO_COUNTER(first_cpu);
+ }
+
+ /* Was any mondo delivered successfully? */
+ mondo_delivered = (n_sent > prev_sent);
prev_sent = n_sent;
- /* If we get a HV_ECPUERROR, then one or more of the cpus
- * in the list are in error state. Use the cpu_state()
- * hypervisor call to find out which cpus are in error state.
+ /* or, was any target cpu busy processing other mondos? */
+ target_cpu_busy = (xc_rcvd < CPU_MONDO_COUNTER(first_cpu));
+ xc_rcvd = CPU_MONDO_COUNTER(first_cpu);
+
+ /* Retry count is for no progress. If we're making progress,
+ * reset the retry count.
*/
- if (unlikely(status == HV_ECPUERROR)) {
- for (i = 0; i < cnt; i++) {
- long err;
- u16 cpu;
-
- cpu = cpu_list[i];
- if (cpu == 0xffff)
- continue;
-
- err = sun4v_cpu_state(cpu);
- if (err == HV_CPU_STATE_ERROR) {
- saw_cpu_error = (cpu + 1);
- cpu_list[i] = 0xffff;
- }
- }
- } else if (unlikely(status != HV_EWOULDBLOCK))
- goto fatal_mondo_error;
-
- /* Don't bother rewriting the CPU list, just leave the
- * 0xffff and non-0xffff entries in there and the
- * hypervisor will do the right thing.
- *
- * Only advance timeout state if we didn't make any
- * forward progress.
- */
- if (unlikely(!forward_progress)) {
- if (unlikely(++retries > 10000))
- goto fatal_mondo_timeout;
-
- /* Delay a little bit to let other cpus catch up
- * on their cpu mondo queue work.
- */
- udelay(2 * cnt);
+ if (likely(mondo_delivered || target_cpu_busy)) {
+ tot_retries += retries;
+ retries = 0;
+ } else if (unlikely(retries > MONDO_RETRY_LIMIT)) {
+ goto fatal_mondo_timeout;
}
+
+ /* Delay a little bit to let other cpus catch up on
+ * their cpu mondo queue work.
+ */
+ if (!mondo_delivered)
+ udelay(usec_wait);
+
+ retries++;
} while (1);
- if (unlikely(saw_cpu_error))
- goto fatal_mondo_cpu_error;
-
+xcall_done:
+ if (unlikely(ecpuerror_id > 0)) {
+ pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) was in error state\n",
+ this_cpu, ecpuerror_id - 1);
+ } else if (unlikely(enocpu_id > 0)) {
+ pr_crit("CPU[%d]: SUN4V mondo cpu error, target cpu(%d) does not belong to the domain\n",
+ this_cpu, enocpu_id - 1);
+ }
return;
-fatal_mondo_cpu_error:
- printk(KERN_CRIT "CPU[%d]: SUN4V mondo cpu error, some target cpus "
- "(including %d) were in error state\n",
- this_cpu, saw_cpu_error - 1);
- return;
+fatal_errors:
+ /* fatal errors include bad alignment, etc */
+ pr_crit("CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) mondo_block_pa(%lx)\n",
+ this_cpu, tot_cpus, tb->cpu_list_pa, tb->cpu_mondo_block_pa);
+ panic("Unexpected SUN4V mondo error %lu\n", status);
fatal_mondo_timeout:
- printk(KERN_CRIT "CPU[%d]: SUN4V mondo timeout, no forward "
- " progress after %d retries.\n",
- this_cpu, retries);
- goto dump_cpu_list_and_out;
-
-fatal_mondo_error:
- printk(KERN_CRIT "CPU[%d]: Unexpected SUN4V mondo error %lu\n",
- this_cpu, status);
- printk(KERN_CRIT "CPU[%d]: Args were cnt(%d) cpulist_pa(%lx) "
- "mondo_block_pa(%lx)\n",
- this_cpu, cnt, tb->cpu_list_pa, tb->cpu_mondo_block_pa);
-
-dump_cpu_list_and_out:
- printk(KERN_CRIT "CPU[%d]: CPU list [ ", this_cpu);
- for (i = 0; i < cnt; i++)
- printk("%u ", cpu_list[i]);
- printk("]\n");
+ /* some cpus being non-responsive to the cpu mondo */
+ pr_crit("CPU[%d]: SUN4V mondo timeout, cpu(%d) made no forward progress after %d retries. Total target cpus(%d).\n",
+ this_cpu, first_cpu, (tot_retries + retries), tot_cpus);
+ panic("SUN4V mondo timeout panic\n");
}
static void (*xcall_deliver_impl)(struct trap_per_cpu *, int);
diff --git a/arch/sparc/kernel/sun4v_ivec.S b/arch/sparc/kernel/sun4v_ivec.S
index 559bc5e..3463199 100644
--- a/arch/sparc/kernel/sun4v_ivec.S
+++ b/arch/sparc/kernel/sun4v_ivec.S
@@ -26,6 +26,21 @@
ldxa [%g0] ASI_SCRATCHPAD, %g4
sub %g4, TRAP_PER_CPU_FAULT_INFO, %g4
+ /* Get smp_processor_id() into %g3 */
+ sethi %hi(trap_block), %g5
+ or %g5, %lo(trap_block), %g5
+ sub %g4, %g5, %g3
+ srlx %g3, TRAP_BLOCK_SZ_SHIFT, %g3
+
+ /* Increment cpu_mondo_counter[smp_processor_id()] */
+ sethi %hi(cpu_mondo_counter), %g5
+ or %g5, %lo(cpu_mondo_counter), %g5
+ sllx %g3, 3, %g3
+ add %g5, %g3, %g5
+ ldx [%g5], %g3
+ add %g3, 1, %g3
+ stx %g3, [%g5]
+
/* Get CPU mondo queue base phys address into %g7. */
ldx [%g4 + TRAP_PER_CPU_CPU_MONDO_PA], %g7
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 196ee5e..ad31af1 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2733,6 +2733,7 @@
}
}
+u64 cpu_mondo_counter[NR_CPUS] = {0};
struct trap_per_cpu trap_block[NR_CPUS];
EXPORT_SYMBOL(trap_block);
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index 07c0df9..db872db 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -360,6 +360,7 @@
* %o1: TSB base config pointer
* %o2: TSB huge config pointer, or NULL if none
* %o3: Hypervisor TSB descriptor physical address
+ * %o4: Secondary context to load, if non-zero
*
* We have to run this whole thing with interrupts
* disabled so that the current cpu doesn't change
@@ -372,6 +373,17 @@
rdpr %pstate, %g1
wrpr %g1, PSTATE_IE, %pstate
+ brz,pn %o4, 1f
+ mov SECONDARY_CONTEXT, %o5
+
+661: stxa %o4, [%o5] ASI_DMMU
+ .section .sun4v_1insn_patch, "ax"
+ .word 661b
+ stxa %o4, [%o5] ASI_MMU
+ .previous
+ flush %g6
+
+1:
TRAP_LOAD_TRAP_BLOCK(%g2, %g3)
stx %o0, [%g2 + TRAP_PER_CPU_PGD_PADDR]
diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S
index 54f9870..5a8cb37 100644
--- a/arch/sparc/lib/U3memcpy.S
+++ b/arch/sparc/lib/U3memcpy.S
@@ -145,13 +145,13 @@
ENTRY(U3_retl_o2_and_7_plus_GS)
and %o2, 7, %o2
retl
- add %o2, GLOBAL_SPARE, %o2
+ add %o2, GLOBAL_SPARE, %o0
ENDPROC(U3_retl_o2_and_7_plus_GS)
ENTRY(U3_retl_o2_and_7_plus_GS_plus_8)
add GLOBAL_SPARE, 8, GLOBAL_SPARE
and %o2, 7, %o2
retl
- add %o2, GLOBAL_SPARE, %o2
+ add %o2, GLOBAL_SPARE, %o0
ENDPROC(U3_retl_o2_and_7_plus_GS_plus_8)
#endif
diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S
index d6b6c97..703127a 100644
--- a/arch/sparc/lib/multi3.S
+++ b/arch/sparc/lib/multi3.S
@@ -5,26 +5,26 @@
.align 4
ENTRY(__multi3) /* %o0 = u, %o1 = v */
mov %o1, %g1
- srl %o3, 0, %g4
- mulx %g4, %g1, %o1
+ srl %o3, 0, %o4
+ mulx %o4, %g1, %o1
srlx %g1, 0x20, %g3
- mulx %g3, %g4, %g5
- sllx %g5, 0x20, %o5
- srl %g1, 0, %g4
+ mulx %g3, %o4, %g7
+ sllx %g7, 0x20, %o5
+ srl %g1, 0, %o4
sub %o1, %o5, %o5
srlx %o5, 0x20, %o5
- addcc %g5, %o5, %g5
+ addcc %g7, %o5, %g7
srlx %o3, 0x20, %o5
- mulx %g4, %o5, %g4
+ mulx %o4, %o5, %o4
mulx %g3, %o5, %o5
sethi %hi(0x80000000), %g3
- addcc %g5, %g4, %g5
- srlx %g5, 0x20, %g5
+ addcc %g7, %o4, %g7
+ srlx %g7, 0x20, %g7
add %g3, %g3, %g3
movcc %xcc, %g0, %g3
- addcc %o5, %g5, %o5
- sllx %g4, 0x20, %g4
- add %o1, %g4, %o1
+ addcc %o5, %g7, %o5
+ sllx %o4, 0x20, %o4
+ add %o1, %o4, %o1
add %o5, %g3, %g2
mulx %g1, %o2, %g1
add %g1, %g2, %g1
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 3c40ebd..afa0099 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -325,6 +325,29 @@
}
#ifdef CONFIG_HUGETLB_PAGE
+static void __init add_huge_page_size(unsigned long size)
+{
+ unsigned int order;
+
+ if (size_to_hstate(size))
+ return;
+
+ order = ilog2(size) - PAGE_SHIFT;
+ hugetlb_add_hstate(order);
+}
+
+static int __init hugetlbpage_init(void)
+{
+ add_huge_page_size(1UL << HPAGE_64K_SHIFT);
+ add_huge_page_size(1UL << HPAGE_SHIFT);
+ add_huge_page_size(1UL << HPAGE_256MB_SHIFT);
+ add_huge_page_size(1UL << HPAGE_2GB_SHIFT);
+
+ return 0;
+}
+
+arch_initcall(hugetlbpage_init);
+
static int __init setup_hugepagesz(char *string)
{
unsigned long long hugepage_size;
@@ -364,7 +387,7 @@
goto out;
}
- hugetlb_add_hstate(hugepage_shift - PAGE_SHIFT);
+ add_huge_page_size(hugepage_size);
rc = 1;
out:
@@ -1921,12 +1944,22 @@
break;
case SUN4V_CHIP_SPARC_M7:
case SUN4V_CHIP_SPARC_SN:
- default:
/* M7 and later support 52-bit virtual addresses. */
sparc64_va_hole_top = 0xfff8000000000000UL;
sparc64_va_hole_bottom = 0x0008000000000000UL;
max_phys_bits = 49;
break;
+ case SUN4V_CHIP_SPARC_M8:
+ default:
+ /* M8 and later support 54-bit virtual addresses.
+ * However, restricting M8 and above VA bits to 53
+ * as 4-level page table cannot support more than
+ * 53 VA bits.
+ */
+ sparc64_va_hole_top = 0xfff0000000000000UL;
+ sparc64_va_hole_bottom = 0x0010000000000000UL;
+ max_phys_bits = 51;
+ break;
}
}
@@ -2138,6 +2171,7 @@
*/
switch (sun4v_chip_type) {
case SUN4V_CHIP_SPARC_M7:
+ case SUN4V_CHIP_SPARC_M8:
case SUN4V_CHIP_SPARC_SN:
pagecv_flag = 0x00;
break;
@@ -2290,6 +2324,7 @@
*/
switch (sun4v_chip_type) {
case SUN4V_CHIP_SPARC_M7:
+ case SUN4V_CHIP_SPARC_M8:
case SUN4V_CHIP_SPARC_SN:
page_cache4v_flag = _PAGE_CP_4V;
break;
diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c
index 17bd2e1..df707a8 100644
--- a/arch/sparc/power/hibernate.c
+++ b/arch/sparc/power/hibernate.c
@@ -35,6 +35,5 @@
{
struct mm_struct *mm = current->active_mm;
- load_secondary_context(mm);
- tsb_context_switch(mm);
+ tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
}
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 600a2e9..344d956 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -45,7 +45,8 @@
}
static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
+arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->start = start;
@@ -80,13 +81,19 @@
tlb_flush_mmu_free(tlb);
}
-/* tlb_finish_mmu
+/* arch_tlb_finish_mmu
* Called at the end of the shootdown operation to free up any resources
* that were required.
*/
static inline void
-tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
+ if (force) {
+ tlb->start = start;
+ tlb->end = end;
+ tlb->need_flush = 1;
+ }
tlb_flush_mmu(tlb);
/* keep the page table cache within bounds */
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 781521b..323cb06 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -100,6 +100,7 @@
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select GENERIC_TIME_VSYSCALL
+ select HARDLOCKUP_CHECK_TIMESTAMP if X86_64
select HAVE_ACPI_APEI if ACPI
select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
@@ -163,7 +164,7 @@
select HAVE_PCSPKR_PLATFORM
select HAVE_PERF_EVENTS
select HAVE_PERF_EVENTS_NMI
- select HAVE_HARDLOCKUP_DETECTOR_PERF if HAVE_PERF_EVENTS_NMI
+ select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index fcb7604..cd20ca0 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -348,6 +348,7 @@
config PUNIT_ATOM_DEBUG
tristate "ATOM Punit debug driver"
+ depends on PCI
select DEBUG_FS
select IOSF_MBI
---help---
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 0d810fb..d88a2fd 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -73,12 +73,13 @@
$(obj)/bzImage: asflags-y := $(SVGA_MODE)
quiet_cmd_image = BUILD $@
+silent_redirect_image = >/dev/null
cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
- $(obj)/zoffset.h $@
+ $(obj)/zoffset.h $@ $($(quiet)redirect_image)
$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
$(call if_changed,image)
- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+ @$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')'
OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 2c860ad..8a95827 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -34,6 +34,7 @@
KBUILD_CFLAGS += -mno-mmx -mno-sse
KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
GCOV_PROFILE := n
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index a0838ab..c14217c 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -116,8 +116,7 @@
}
}
- if (boot_params->screen_info.orig_video_mode == 0 &&
- lines == 0 && cols == 0)
+ if (lines == 0 || cols == 0)
return;
x = boot_params->screen_info.orig_x;
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 2ed8f0c..1bb08ec 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -520,8 +520,14 @@
# the description in lib/decompressor_xxx.c for specific information.
#
# extra_bytes = (uncompressed_size >> 12) + 65536 + 128
+#
+# LZ4 is even worse: data that cannot be further compressed grows by 0.4%,
+# or one byte per 256 bytes. OTOH, we can safely get rid of the +128 as
+# the size-dependent part now grows so fast.
+#
+# extra_bytes = (uncompressed_size >> 8) + 65536
-#define ZO_z_extra_bytes ((ZO_z_output_len >> 12) + 65536 + 128)
+#define ZO_z_extra_bytes ((ZO_z_output_len >> 8) + 65536)
#if ZO_z_output_len > ZO_z_input_len
# define ZO_z_extract_offset (ZO_z_output_len + ZO_z_extra_bytes - \
ZO_z_input_len)
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 630e366..16f4912 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -16,6 +16,15 @@
#include "ctype.h"
#include "string.h"
+/*
+ * Undef these macros so that the functions that we provide
+ * here will have the correct names regardless of how string.h
+ * may have chosen to #define them.
+ */
+#undef memcpy
+#undef memset
+#undef memcmp
+
int memcmp(const void *s1, const void *s2, size_t len)
{
bool diff;
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 6cf79e1..0eb9f92 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1,5 +1,4 @@
# CONFIG_64BIT is not set
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@@ -125,7 +124,6 @@
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_IP_NF_TARGET_ULOG=y
CONFIG_NF_NAT=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_MANGLE=y
@@ -255,7 +253,6 @@
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_PRINTER=y
CONFIG_USB_STORAGE=y
-CONFIG_USB_LIBUSUAL=y
CONFIG_EDAC=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index de45f57..4a4b16e 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -1,4 +1,3 @@
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@@ -124,7 +123,6 @@
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_IP_NF_TARGET_ULOG=y
CONFIG_NF_NAT=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_MANGLE=y
@@ -251,7 +249,6 @@
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_PRINTER=y
CONFIG_USB_STORAGE=y
-CONFIG_USB_LIBUSUAL=y
CONFIG_EDAC=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
diff --git a/arch/x86/crypto/sha1_avx2_x86_64_asm.S b/arch/x86/crypto/sha1_avx2_x86_64_asm.S
index 1cd792d..1eab79c 100644
--- a/arch/x86/crypto/sha1_avx2_x86_64_asm.S
+++ b/arch/x86/crypto/sha1_avx2_x86_64_asm.S
@@ -117,11 +117,10 @@
.set T1, REG_T1
.endm
-#define K_BASE %r8
#define HASH_PTR %r9
+#define BLOCKS_CTR %r8
#define BUFFER_PTR %r10
#define BUFFER_PTR2 %r13
-#define BUFFER_END %r11
#define PRECALC_BUF %r14
#define WK_BUF %r15
@@ -205,14 +204,14 @@
* blended AVX2 and ALU instruction scheduling
* 1 vector iteration per 8 rounds
*/
- vmovdqu ((i * 2) + PRECALC_OFFSET)(BUFFER_PTR), W_TMP
+ vmovdqu (i * 2)(BUFFER_PTR), W_TMP
.elseif ((i & 7) == 1)
- vinsertf128 $1, (((i-1) * 2)+PRECALC_OFFSET)(BUFFER_PTR2),\
+ vinsertf128 $1, ((i-1) * 2)(BUFFER_PTR2),\
WY_TMP, WY_TMP
.elseif ((i & 7) == 2)
vpshufb YMM_SHUFB_BSWAP, WY_TMP, WY
.elseif ((i & 7) == 4)
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
.elseif ((i & 7) == 7)
vmovdqu WY_TMP, PRECALC_WK(i&~7)
@@ -255,7 +254,7 @@
vpxor WY, WY_TMP, WY_TMP
.elseif ((i & 7) == 7)
vpxor WY_TMP2, WY_TMP, WY
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@@ -291,7 +290,7 @@
vpsrld $30, WY, WY
vpor WY, WY_TMP, WY
.elseif ((i & 7) == 7)
- vpaddd K_XMM(K_BASE), WY, WY_TMP
+ vpaddd K_XMM + K_XMM_AR(%rip), WY, WY_TMP
vmovdqu WY_TMP, PRECALC_WK(i&~7)
PRECALC_ROTATE_WY
@@ -446,6 +445,16 @@
.endm
+/* Add constant only if (%2 > %3) condition met (uses RTA as temp)
+ * %1 + %2 >= %3 ? %4 : 0
+ */
+.macro ADD_IF_GE a, b, c, d
+ mov \a, RTA
+ add $\d, RTA
+ cmp $\c, \b
+ cmovge RTA, \a
+.endm
+
/*
* macro implements 80 rounds of SHA-1, for multiple blocks with s/w pipelining
*/
@@ -463,13 +472,16 @@
lea (2*4*80+32)(%rsp), WK_BUF
# Precalc WK for first 2 blocks
- PRECALC_OFFSET = 0
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 2, 64
.set i, 0
.rept 160
PRECALC i
.set i, i + 1
.endr
- PRECALC_OFFSET = 128
+
+ /* Go to next block if needed */
+ ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 3, 128
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
xchg WK_BUF, PRECALC_BUF
.align 32
@@ -479,8 +491,8 @@
* we use K_BASE value as a signal of a last block,
* it is set below by: cmovae BUFFER_PTR, K_BASE
*/
- cmp K_BASE, BUFFER_PTR
- jne _begin
+ test BLOCKS_CTR, BLOCKS_CTR
+ jnz _begin
.align 32
jmp _end
.align 32
@@ -512,10 +524,10 @@
.set j, j+2
.endr
- add $(2*64), BUFFER_PTR /* move to next odd-64-byte block */
- cmp BUFFER_END, BUFFER_PTR /* is current block the last one? */
- cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
-
+ /* Update Counter */
+ sub $1, BLOCKS_CTR
+ /* Move to the next block only if needed*/
+ ADD_IF_GE BUFFER_PTR, BLOCKS_CTR, 4, 128
/*
* rounds
* 60,62,64,66,68
@@ -532,8 +544,8 @@
UPDATE_HASH 12(HASH_PTR), D
UPDATE_HASH 16(HASH_PTR), E
- cmp K_BASE, BUFFER_PTR /* is current block the last one? */
- je _loop
+ test BLOCKS_CTR, BLOCKS_CTR
+ jz _loop
mov TB, B
@@ -575,10 +587,10 @@
.set j, j+2
.endr
- add $(2*64), BUFFER_PTR2 /* move to next even-64-byte block */
-
- cmp BUFFER_END, BUFFER_PTR2 /* is current block the last one */
- cmovae K_BASE, BUFFER_PTR /* signal the last iteration smartly */
+ /* update counter */
+ sub $1, BLOCKS_CTR
+ /* Move to the next block only if needed*/
+ ADD_IF_GE BUFFER_PTR2, BLOCKS_CTR, 4, 128
jmp _loop3
_loop3:
@@ -641,19 +653,12 @@
avx2_zeroupper
- lea K_XMM_AR(%rip), K_BASE
-
+ /* Setup initial values */
mov CTX, HASH_PTR
mov BUF, BUFFER_PTR
- lea 64(BUF), BUFFER_PTR2
- shl $6, CNT /* mul by 64 */
- add BUF, CNT
- add $64, CNT
- mov CNT, BUFFER_END
-
- cmp BUFFER_END, BUFFER_PTR2
- cmovae K_BASE, BUFFER_PTR2
+ mov BUF, BUFFER_PTR2
+ mov CNT, BLOCKS_CTR
xmm_mov BSWAP_SHUFB_CTL(%rip), YMM_SHUFB_BSWAP
diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c
index f960a04..fc61739 100644
--- a/arch/x86/crypto/sha1_ssse3_glue.c
+++ b/arch/x86/crypto/sha1_ssse3_glue.c
@@ -201,7 +201,7 @@
static bool avx2_usable(void)
{
- if (false && avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
+ if (avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
&& boot_cpu_has(X86_FEATURE_BMI1)
&& boot_cpu_has(X86_FEATURE_BMI2))
return true;
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index a9a8027..6d078b8 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -705,6 +705,7 @@
#ifdef CONFIG_HAVE_KVM
apicinterrupt3 POSTED_INTR_VECTOR kvm_posted_intr_ipi smp_kvm_posted_intr_ipi
apicinterrupt3 POSTED_INTR_WAKEUP_VECTOR kvm_posted_intr_wakeup_ipi smp_kvm_posted_intr_wakeup_ipi
+apicinterrupt3 POSTED_INTR_NESTED_VECTOR kvm_posted_intr_nested_ipi smp_kvm_posted_intr_nested_ipi
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
@@ -1210,6 +1211,8 @@
* other IST entries.
*/
+ ASM_CLAC
+
/* Use %rdx as our temp variable throughout */
pushq %rdx
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index ff1ea2f..9390501 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -191,8 +191,8 @@
static bool check_hw_exists(void)
{
- u64 val, val_fail, val_new= ~0;
- int i, reg, reg_fail, ret = 0;
+ u64 val, val_fail = -1, val_new= ~0;
+ int i, reg, reg_fail = -1, ret = 0;
int bios_fail = 0;
int reg_safe = -1;
@@ -2114,7 +2114,7 @@
load_mm_cr4(this_cpu_read(cpu_tlbstate.loaded_mm));
}
-static void x86_pmu_event_mapped(struct perf_event *event)
+static void x86_pmu_event_mapped(struct perf_event *event, struct mm_struct *mm)
{
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
@@ -2129,22 +2129,20 @@
* For now, this can't happen because all callers hold mmap_sem
* for write. If this changes, we'll need a different solution.
*/
- lockdep_assert_held_exclusive(¤t->mm->mmap_sem);
+ lockdep_assert_held_exclusive(&mm->mmap_sem);
- if (atomic_inc_return(¤t->mm->context.perf_rdpmc_allowed) == 1)
- on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
+ if (atomic_inc_return(&mm->context.perf_rdpmc_allowed) == 1)
+ on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1);
}
-static void x86_pmu_event_unmapped(struct perf_event *event)
+static void x86_pmu_event_unmapped(struct perf_event *event, struct mm_struct *mm)
{
- if (!current->mm)
- return;
if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED))
return;
- if (atomic_dec_and_test(¤t->mm->context.perf_rdpmc_allowed))
- on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1);
+ if (atomic_dec_and_test(&mm->context.perf_rdpmc_allowed))
+ on_each_cpu_mask(mm_cpumask(mm), refresh_pce, NULL, 1);
}
static int x86_pmu_event_idx(struct perf_event *event)
@@ -2337,12 +2335,9 @@
#ifdef CONFIG_MODIFY_LDT_SYSCALL
struct ldt_struct *ldt;
- if (idx > LDT_ENTRIES)
- return 0;
-
/* IRQs are off, so this synchronizes with smp_store_release */
ldt = lockless_dereference(current->active_mm->context.ldt);
- if (!ldt || idx > ldt->nr_entries)
+ if (!ldt || idx >= ldt->nr_entries)
return 0;
desc = &ldt->entries[idx];
@@ -2350,7 +2345,7 @@
return 0;
#endif
} else {
- if (idx > GDT_ENTRIES)
+ if (idx >= GDT_ENTRIES)
return 0;
desc = raw_cpu_ptr(gdt_page.gdt) + idx;
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 8ae8c5c..ddd8d35 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -69,7 +69,7 @@
struct bts_phys buf[0];
};
-struct pmu bts_pmu;
+static struct pmu bts_pmu;
static size_t buf_size(struct page *page)
{
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index aa62437..98b0f07 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -1708,6 +1708,120 @@
},
};
+static __initconst const u64 glp_hw_cache_event_ids
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+ [C(L1D)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
+ [C(RESULT_MISS)] = 0x0,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
+ [C(RESULT_MISS)] = 0x0,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ },
+ [C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */
+ [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ },
+ [C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
+ [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
+ [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ },
+ [C(DTLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
+ [C(RESULT_MISS)] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
+ [C(RESULT_MISS)] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ },
+ [C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */
+ [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ },
+ [C(BPU)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
+ [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ },
+};
+
+static __initconst const u64 glp_hw_cache_extra_regs
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+ [C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = GLM_DEMAND_READ|
+ GLM_LLC_ACCESS,
+ [C(RESULT_MISS)] = GLM_DEMAND_READ|
+ GLM_LLC_MISS,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE|
+ GLM_LLC_ACCESS,
+ [C(RESULT_MISS)] = GLM_DEMAND_WRITE|
+ GLM_LLC_MISS,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ },
+};
+
#define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */
#define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */
#define KNL_MCDRAM_LOCAL BIT_ULL(21)
@@ -3016,6 +3130,9 @@
return 0;
}
+static struct event_constraint counter0_constraint =
+ INTEL_ALL_EVENT_CONSTRAINT(0, 0x1);
+
static struct event_constraint counter2_constraint =
EVENT_CONSTRAINT(0, 0x4, 0);
@@ -3037,6 +3154,21 @@
return c;
}
+static struct event_constraint *
+glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
+ struct perf_event *event)
+{
+ struct event_constraint *c;
+
+ /* :ppp means to do reduced skid PEBS which is PMC0 only. */
+ if (event->attr.precise_ip == 3)
+ return &counter0_constraint;
+
+ c = intel_get_event_constraints(cpuc, idx, event);
+
+ return c;
+}
+
/*
* Broadwell:
*
@@ -3265,10 +3397,8 @@
static void intel_pmu_sched_task(struct perf_event_context *ctx,
bool sched_in)
{
- if (x86_pmu.pebs_active)
- intel_pmu_pebs_sched_task(ctx, sched_in);
- if (x86_pmu.lbr_nr)
- intel_pmu_lbr_sched_task(ctx, sched_in);
+ intel_pmu_pebs_sched_task(ctx, sched_in);
+ intel_pmu_lbr_sched_task(ctx, sched_in);
}
PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
@@ -3838,6 +3968,32 @@
pr_cont("Goldmont events, ");
break;
+ case INTEL_FAM6_ATOM_GEMINI_LAKE:
+ memcpy(hw_cache_event_ids, glp_hw_cache_event_ids,
+ sizeof(hw_cache_event_ids));
+ memcpy(hw_cache_extra_regs, glp_hw_cache_extra_regs,
+ sizeof(hw_cache_extra_regs));
+
+ intel_pmu_lbr_init_skl();
+
+ x86_pmu.event_constraints = intel_slm_event_constraints;
+ x86_pmu.pebs_constraints = intel_glp_pebs_event_constraints;
+ x86_pmu.extra_regs = intel_glm_extra_regs;
+ /*
+ * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
+ * for precise cycles.
+ */
+ x86_pmu.pebs_aliases = NULL;
+ x86_pmu.pebs_prec_dist = true;
+ x86_pmu.lbr_pt_coexist = true;
+ x86_pmu.flags |= PMU_FL_HAS_RSP_1;
+ x86_pmu.get_event_constraints = glp_get_event_constraints;
+ x86_pmu.cpu_events = glm_events_attrs;
+ /* Goldmont Plus has 4-wide pipeline */
+ event_attr_td_total_slots_scale_glm.event_str = "4";
+ pr_cont("Goldmont plus events, ");
+ break;
+
case INTEL_FAM6_WESTMERE:
case INTEL_FAM6_WESTMERE_EP:
case INTEL_FAM6_WESTMERE_EX:
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 238ae32..4cf100f 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -40,16 +40,16 @@
* Model specific counters:
* MSR_CORE_C1_RES: CORE C1 Residency Counter
* perf code: 0x00
- * Available model: SLM,AMT
+ * Available model: SLM,AMT,GLM
* Scope: Core (each processor core has a MSR)
* MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter
* perf code: 0x01
- * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL
+ * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,GLM
* Scope: Core
* MSR_CORE_C6_RESIDENCY: CORE C6 Residency Counter
* perf code: 0x02
* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW
- * SKL,KNL
+ * SKL,KNL,GLM
* Scope: Core
* MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter
* perf code: 0x03
@@ -57,16 +57,17 @@
* Scope: Core
* MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter.
* perf code: 0x00
- * Available model: SNB,IVB,HSW,BDW,SKL,KNL
+ * Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM
* Scope: Package (physical package)
* MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter.
* perf code: 0x01
* Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL
+ * GLM
* Scope: Package (physical package)
* MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter.
* perf code: 0x02
* Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW
- * SKL,KNL
+ * SKL,KNL,GLM
* Scope: Package (physical package)
* MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter.
* perf code: 0x03
@@ -82,7 +83,7 @@
* Scope: Package (physical package)
* MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter.
* perf code: 0x06
- * Available model: HSW ULT only
+ * Available model: HSW ULT, GLM
* Scope: Package (physical package)
*
*/
@@ -504,6 +505,17 @@
};
+static const struct cstate_model glm_cstates __initconst = {
+ .core_events = BIT(PERF_CSTATE_CORE_C1_RES) |
+ BIT(PERF_CSTATE_CORE_C3_RES) |
+ BIT(PERF_CSTATE_CORE_C6_RES),
+
+ .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) |
+ BIT(PERF_CSTATE_PKG_C3_RES) |
+ BIT(PERF_CSTATE_PKG_C6_RES) |
+ BIT(PERF_CSTATE_PKG_C10_RES),
+};
+
#define X86_CSTATES_MODEL(model, states) \
{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long) &(states) }
@@ -546,6 +558,8 @@
X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNL, knl_cstates),
X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNM, knl_cstates),
+
+ X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT, glm_cstates),
{ },
};
MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index c6d23ff..a322fed 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -606,12 +606,6 @@
x86_pmu.drain_pebs(®s);
}
-void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in)
-{
- if (!sched_in)
- intel_pmu_drain_pebs_buffer();
-}
-
/*
* PEBS
*/
@@ -651,6 +645,12 @@
EVENT_CONSTRAINT_END
};
+struct event_constraint intel_glp_pebs_event_constraints[] = {
+ /* Allow all events as PEBS with no flags */
+ INTEL_ALL_EVENT_CONSTRAINT(0, 0xf),
+ EVENT_CONSTRAINT_END
+};
+
struct event_constraint intel_nehalem_pebs_event_constraints[] = {
INTEL_PLD_CONSTRAINT(0x100b, 0xf), /* MEM_INST_RETIRED.* */
INTEL_FLAGS_EVENT_CONSTRAINT(0x0f, 0xf), /* MEM_UNCORE_RETIRED.* */
@@ -816,6 +816,14 @@
return cpuc->n_pebs && (cpuc->n_pebs == cpuc->n_large_pebs);
}
+void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in)
+{
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
+
+ if (!sched_in && pebs_needs_sched_cb(cpuc))
+ intel_pmu_drain_pebs_buffer();
+}
+
static inline void pebs_update_threshold(struct cpu_hw_events *cpuc)
{
struct debug_store *ds = cpuc->ds;
@@ -889,6 +897,8 @@
if (hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) {
ds->pebs_event_reset[hwc->idx] =
(u64)(-hwc->sample_period) & x86_pmu.cntval_mask;
+ } else {
+ ds->pebs_event_reset[hwc->idx] = 0;
}
}
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index eb26165..955457a 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -380,8 +380,12 @@
void intel_pmu_lbr_sched_task(struct perf_event_context *ctx, bool sched_in)
{
+ struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
struct x86_perf_task_context *task_ctx;
+ if (!cpuc->lbr_users)
+ return;
+
/*
* If LBR callstack feature is enabled and the stack was saved when
* the task was scheduled out, restore the stack. Otherwise flush
diff --git a/arch/x86/events/intel/p4.c b/arch/x86/events/intel/p4.c
index eb05335..d32c0ee 100644
--- a/arch/x86/events/intel/p4.c
+++ b/arch/x86/events/intel/p4.c
@@ -587,7 +587,7 @@
* P4_CONFIG_ALIASABLE or bits for P4_PEBS_METRIC, they are
* either up to date automatically or not applicable at all.
*/
-struct p4_event_alias {
+static struct p4_event_alias {
u64 original;
u64 alternative;
} p4_event_aliases[] = {
diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
index a45e211..8e2457c 100644
--- a/arch/x86/events/intel/rapl.c
+++ b/arch/x86/events/intel/rapl.c
@@ -559,7 +559,7 @@
.attrs = rapl_formats_attr,
};
-const struct attribute_group *rapl_attr_groups[] = {
+static const struct attribute_group *rapl_attr_groups[] = {
&rapl_pmu_attr_group,
&rapl_pmu_format_group,
&rapl_pmu_events_group,
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 44ec523..1c5390f 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -721,7 +721,7 @@
NULL,
};
-static struct attribute_group uncore_pmu_attr_group = {
+static const struct attribute_group uncore_pmu_attr_group = {
.attrs = uncore_pmu_attrs,
};
diff --git a/arch/x86/events/intel/uncore_nhmex.c b/arch/x86/events/intel/uncore_nhmex.c
index cda5693..6a5cbe9 100644
--- a/arch/x86/events/intel/uncore_nhmex.c
+++ b/arch/x86/events/intel/uncore_nhmex.c
@@ -272,7 +272,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_ubox_format_group = {
+static const struct attribute_group nhmex_uncore_ubox_format_group = {
.name = "format",
.attrs = nhmex_uncore_ubox_formats_attr,
};
@@ -299,7 +299,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_cbox_format_group = {
+static const struct attribute_group nhmex_uncore_cbox_format_group = {
.name = "format",
.attrs = nhmex_uncore_cbox_formats_attr,
};
@@ -407,7 +407,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_bbox_format_group = {
+static const struct attribute_group nhmex_uncore_bbox_format_group = {
.name = "format",
.attrs = nhmex_uncore_bbox_formats_attr,
};
@@ -484,7 +484,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_sbox_format_group = {
+static const struct attribute_group nhmex_uncore_sbox_format_group = {
.name = "format",
.attrs = nhmex_uncore_sbox_formats_attr,
};
@@ -898,7 +898,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_mbox_format_group = {
+static const struct attribute_group nhmex_uncore_mbox_format_group = {
.name = "format",
.attrs = nhmex_uncore_mbox_formats_attr,
};
@@ -1163,7 +1163,7 @@
NULL,
};
-static struct attribute_group nhmex_uncore_rbox_format_group = {
+static const struct attribute_group nhmex_uncore_rbox_format_group = {
.name = "format",
.attrs = nhmex_uncore_rbox_formats_attr,
};
diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c
index a3dcc12..db1127c 100644
--- a/arch/x86/events/intel/uncore_snb.c
+++ b/arch/x86/events/intel/uncore_snb.c
@@ -130,7 +130,7 @@
NULL,
};
-static struct attribute_group snb_uncore_format_group = {
+static const struct attribute_group snb_uncore_format_group = {
.name = "format",
.attrs = snb_uncore_formats_attr,
};
@@ -289,7 +289,7 @@
NULL,
};
-static struct attribute_group snb_uncore_imc_format_group = {
+static const struct attribute_group snb_uncore_imc_format_group = {
.name = "format",
.attrs = snb_uncore_imc_formats_attr,
};
@@ -769,7 +769,7 @@
NULL,
};
-static struct attribute_group nhm_uncore_format_group = {
+static const struct attribute_group nhm_uncore_format_group = {
.name = "format",
.attrs = nhm_uncore_formats_attr,
};
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index dae2fed..db1fe37 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -316,7 +316,7 @@
#define SKX_UPI_PCI_PMON_CTL0 0x350
#define SKX_UPI_PCI_PMON_CTR0 0x318
#define SKX_UPI_PCI_PMON_BOX_CTL 0x378
-#define SKX_PMON_CTL_UMASK_EXT 0xff
+#define SKX_UPI_CTL_UMASK_EXT 0xffefff
/* SKX M2M */
#define SKX_M2M_PCI_PMON_CTL0 0x228
@@ -328,7 +328,7 @@
DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21");
DEFINE_UNCORE_FORMAT_ATTR(use_occ_ctr, use_occ_ctr, "config:7");
DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15");
-DEFINE_UNCORE_FORMAT_ATTR(umask_ext, umask, "config:8-15,32-39");
+DEFINE_UNCORE_FORMAT_ATTR(umask_ext, umask, "config:8-15,32-43,45-55");
DEFINE_UNCORE_FORMAT_ATTR(qor, qor, "config:16");
DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18");
DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19");
@@ -351,7 +351,6 @@
DEFINE_UNCORE_FORMAT_ATTR(filter_link, filter_link, "config1:5-8");
DEFINE_UNCORE_FORMAT_ATTR(filter_link2, filter_link, "config1:6-8");
DEFINE_UNCORE_FORMAT_ATTR(filter_link3, filter_link, "config1:12");
-DEFINE_UNCORE_FORMAT_ATTR(filter_link4, filter_link, "config1:9-12");
DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17");
DEFINE_UNCORE_FORMAT_ATTR(filter_nid2, filter_nid, "config1:32-47");
DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22");
@@ -603,27 +602,27 @@
{ /* end: all zeroes */ },
};
-static struct attribute_group snbep_uncore_format_group = {
+static const struct attribute_group snbep_uncore_format_group = {
.name = "format",
.attrs = snbep_uncore_formats_attr,
};
-static struct attribute_group snbep_uncore_ubox_format_group = {
+static const struct attribute_group snbep_uncore_ubox_format_group = {
.name = "format",
.attrs = snbep_uncore_ubox_formats_attr,
};
-static struct attribute_group snbep_uncore_cbox_format_group = {
+static const struct attribute_group snbep_uncore_cbox_format_group = {
.name = "format",
.attrs = snbep_uncore_cbox_formats_attr,
};
-static struct attribute_group snbep_uncore_pcu_format_group = {
+static const struct attribute_group snbep_uncore_pcu_format_group = {
.name = "format",
.attrs = snbep_uncore_pcu_formats_attr,
};
-static struct attribute_group snbep_uncore_qpi_format_group = {
+static const struct attribute_group snbep_uncore_qpi_format_group = {
.name = "format",
.attrs = snbep_uncore_qpi_formats_attr,
};
@@ -1432,27 +1431,27 @@
NULL,
};
-static struct attribute_group ivbep_uncore_format_group = {
+static const struct attribute_group ivbep_uncore_format_group = {
.name = "format",
.attrs = ivbep_uncore_formats_attr,
};
-static struct attribute_group ivbep_uncore_ubox_format_group = {
+static const struct attribute_group ivbep_uncore_ubox_format_group = {
.name = "format",
.attrs = ivbep_uncore_ubox_formats_attr,
};
-static struct attribute_group ivbep_uncore_cbox_format_group = {
+static const struct attribute_group ivbep_uncore_cbox_format_group = {
.name = "format",
.attrs = ivbep_uncore_cbox_formats_attr,
};
-static struct attribute_group ivbep_uncore_pcu_format_group = {
+static const struct attribute_group ivbep_uncore_pcu_format_group = {
.name = "format",
.attrs = ivbep_uncore_pcu_formats_attr,
};
-static struct attribute_group ivbep_uncore_qpi_format_group = {
+static const struct attribute_group ivbep_uncore_qpi_format_group = {
.name = "format",
.attrs = ivbep_uncore_qpi_formats_attr,
};
@@ -1888,7 +1887,7 @@
NULL,
};
-static struct attribute_group knl_uncore_ubox_format_group = {
+static const struct attribute_group knl_uncore_ubox_format_group = {
.name = "format",
.attrs = knl_uncore_ubox_formats_attr,
};
@@ -1928,7 +1927,7 @@
NULL,
};
-static struct attribute_group knl_uncore_cha_format_group = {
+static const struct attribute_group knl_uncore_cha_format_group = {
.name = "format",
.attrs = knl_uncore_cha_formats_attr,
};
@@ -2038,7 +2037,7 @@
NULL,
};
-static struct attribute_group knl_uncore_pcu_format_group = {
+static const struct attribute_group knl_uncore_pcu_format_group = {
.name = "format",
.attrs = knl_uncore_pcu_formats_attr,
};
@@ -2188,7 +2187,7 @@
NULL,
};
-static struct attribute_group knl_uncore_irp_format_group = {
+static const struct attribute_group knl_uncore_irp_format_group = {
.name = "format",
.attrs = knl_uncore_irp_formats_attr,
};
@@ -2386,7 +2385,7 @@
NULL,
};
-static struct attribute_group hswep_uncore_ubox_format_group = {
+static const struct attribute_group hswep_uncore_ubox_format_group = {
.name = "format",
.attrs = hswep_uncore_ubox_formats_attr,
};
@@ -2440,7 +2439,7 @@
NULL,
};
-static struct attribute_group hswep_uncore_cbox_format_group = {
+static const struct attribute_group hswep_uncore_cbox_format_group = {
.name = "format",
.attrs = hswep_uncore_cbox_formats_attr,
};
@@ -2622,7 +2621,7 @@
NULL,
};
-static struct attribute_group hswep_uncore_sbox_format_group = {
+static const struct attribute_group hswep_uncore_sbox_format_group = {
.name = "format",
.attrs = hswep_uncore_sbox_formats_attr,
};
@@ -3302,7 +3301,6 @@
&format_attr_inv.attr,
&format_attr_thresh8.attr,
&format_attr_filter_tid4.attr,
- &format_attr_filter_link4.attr,
&format_attr_filter_state5.attr,
&format_attr_filter_rem.attr,
&format_attr_filter_loc.attr,
@@ -3312,12 +3310,11 @@
&format_attr_filter_opc_0.attr,
&format_attr_filter_opc_1.attr,
&format_attr_filter_nc.attr,
- &format_attr_filter_c6.attr,
&format_attr_filter_isoc.attr,
NULL,
};
-static struct attribute_group skx_uncore_chabox_format_group = {
+static const struct attribute_group skx_uncore_chabox_format_group = {
.name = "format",
.attrs = skx_uncore_cha_formats_attr,
};
@@ -3333,8 +3330,11 @@
SNBEP_CBO_EVENT_EXTRA_REG(0x0534, 0xffff, 0x4),
SNBEP_CBO_EVENT_EXTRA_REG(0x0934, 0xffff, 0x4),
SNBEP_CBO_EVENT_EXTRA_REG(0x1134, 0xffff, 0x4),
- SNBEP_CBO_EVENT_EXTRA_REG(0x2134, 0xffff, 0x4),
- SNBEP_CBO_EVENT_EXTRA_REG(0x8134, 0xffff, 0x4),
+ SNBEP_CBO_EVENT_EXTRA_REG(0x3134, 0xffff, 0x4),
+ SNBEP_CBO_EVENT_EXTRA_REG(0x9134, 0xffff, 0x4),
+ SNBEP_CBO_EVENT_EXTRA_REG(0x35, 0xff, 0x8),
+ SNBEP_CBO_EVENT_EXTRA_REG(0x36, 0xff, 0x8),
+ EVENT_EXTRA_END
};
static u64 skx_cha_filter_mask(int fields)
@@ -3347,6 +3347,17 @@
mask |= SKX_CHA_MSR_PMON_BOX_FILTER_LINK;
if (fields & 0x4)
mask |= SKX_CHA_MSR_PMON_BOX_FILTER_STATE;
+ if (fields & 0x8) {
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_REM;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_LOC;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_ALL_OPC;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_NM;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_NOT_NM;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_OPC0;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_OPC1;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_NC;
+ mask |= SKX_CHA_MSR_PMON_BOX_FILTER_ISOC;
+ }
return mask;
}
@@ -3416,7 +3427,7 @@
NULL,
};
-static struct attribute_group skx_uncore_iio_format_group = {
+static const struct attribute_group skx_uncore_iio_format_group = {
.name = "format",
.attrs = skx_uncore_iio_formats_attr,
};
@@ -3473,7 +3484,7 @@
NULL,
};
-static struct attribute_group skx_uncore_format_group = {
+static const struct attribute_group skx_uncore_format_group = {
.name = "format",
.attrs = skx_uncore_formats_attr,
};
@@ -3492,6 +3503,26 @@
.format_group = &skx_uncore_format_group,
};
+static struct attribute *skx_uncore_pcu_formats_attr[] = {
+ &format_attr_event.attr,
+ &format_attr_umask.attr,
+ &format_attr_edge.attr,
+ &format_attr_inv.attr,
+ &format_attr_thresh8.attr,
+ &format_attr_occ_invert.attr,
+ &format_attr_occ_edge_det.attr,
+ &format_attr_filter_band0.attr,
+ &format_attr_filter_band1.attr,
+ &format_attr_filter_band2.attr,
+ &format_attr_filter_band3.attr,
+ NULL,
+};
+
+static struct attribute_group skx_uncore_pcu_format_group = {
+ .name = "format",
+ .attrs = skx_uncore_pcu_formats_attr,
+};
+
static struct intel_uncore_ops skx_uncore_pcu_ops = {
IVBEP_UNCORE_MSR_OPS_COMMON_INIT(),
.hw_config = hswep_pcu_hw_config,
@@ -3510,7 +3541,7 @@
.box_ctl = HSWEP_PCU_MSR_PMON_BOX_CTL,
.num_shared_regs = 1,
.ops = &skx_uncore_pcu_ops,
- .format_group = &snbep_uncore_pcu_format_group,
+ .format_group = &skx_uncore_pcu_format_group,
};
static struct intel_uncore_type *skx_msr_uncores[] = {
@@ -3574,7 +3605,7 @@
NULL,
};
-static struct attribute_group skx_upi_uncore_format_group = {
+static const struct attribute_group skx_upi_uncore_format_group = {
.name = "format",
.attrs = skx_upi_uncore_formats_attr,
};
@@ -3603,8 +3634,8 @@
.perf_ctr_bits = 48,
.perf_ctr = SKX_UPI_PCI_PMON_CTR0,
.event_ctl = SKX_UPI_PCI_PMON_CTL0,
- .event_mask = SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK,
- .event_mask_ext = SKX_PMON_CTL_UMASK_EXT,
+ .event_mask = SNBEP_PMON_RAW_EVENT_MASK,
+ .event_mask_ext = SKX_UPI_CTL_UMASK_EXT,
.box_ctl = SKX_UPI_PCI_PMON_BOX_CTL,
.ops = &skx_upi_uncore_pci_ops,
.format_group = &skx_upi_uncore_format_group,
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 53728ee..476aec3 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -879,6 +879,8 @@
extern struct event_constraint intel_glm_pebs_event_constraints[];
+extern struct event_constraint intel_glp_pebs_event_constraints[];
+
extern struct event_constraint intel_nehalem_pebs_event_constraints[];
extern struct event_constraint intel_westmere_pebs_event_constraints[];
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 39e702d..aa6b202 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -35,7 +35,7 @@
#define _BUG_FLAGS(ins, flags) \
do { \
asm volatile("1:\t" ins "\n" \
- ".pushsection __bug_table,\"a\"\n" \
+ ".pushsection __bug_table,\"aw\"\n" \
"2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
"\t" __BUG_REL(%c0) "\t# bug_entry::file\n" \
"\t.word %c1" "\t# bug_entry::line\n" \
@@ -52,7 +52,7 @@
#define _BUG_FLAGS(ins, flags) \
do { \
asm volatile("1:\t" ins "\n" \
- ".pushsection __bug_table,\"a\"\n" \
+ ".pushsection __bug_table,\"aw\"\n" \
"2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \
"\t.word %c0" "\t# bug_entry::flags\n" \
"\t.org 2b+%c1\n" \
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index ca3c48c..5a28e8e 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -286,7 +286,7 @@
#define X86_FEATURE_PAUSEFILTER (15*32+10) /* filtered pause intercept */
#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */
#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */
-#define X86_FEATURE_VIRTUAL_VMLOAD_VMSAVE (15*32+15) /* Virtual VMLOAD VMSAVE */
+#define X86_FEATURE_V_VMSAVE_VMLOAD (15*32+15) /* Virtual VMSAVE VMLOAD */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */
#define X86_FEATURE_AVX512VBMI (16*32+ 1) /* AVX512 Vector Bit Manipulation instructions*/
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 1c18d83..9aeb919 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -247,11 +247,11 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
- * 64-bit, this is raised to 4GB to leave the entire 32-bit address
+ * 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
#define ELF_ET_DYN_BASE (mmap_is_ia32() ? 0x000400000UL : \
- 0x100000000UL)
+ (TASK_SIZE / 3 * 2))
/* This yields a mask that user programs can use to figure out what
instruction set this CPU supports. This could be done in user space,
diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h
index df00299..07b0695 100644
--- a/arch/x86/include/asm/entry_arch.h
+++ b/arch/x86/include/asm/entry_arch.h
@@ -25,6 +25,8 @@
smp_kvm_posted_intr_ipi)
BUILD_INTERRUPT3(kvm_posted_intr_wakeup_ipi, POSTED_INTR_WAKEUP_VECTOR,
smp_kvm_posted_intr_wakeup_ipi)
+BUILD_INTERRUPT3(kvm_posted_intr_nested_ipi, POSTED_INTR_NESTED_VECTOR,
+ smp_kvm_posted_intr_nested_ipi)
#endif
/*
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 255645f..554cdb2 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -450,10 +450,10 @@
return 0;
}
-static inline void __copy_kernel_to_fpregs(union fpregs_state *fpstate)
+static inline void __copy_kernel_to_fpregs(union fpregs_state *fpstate, u64 mask)
{
if (use_xsave()) {
- copy_kernel_to_xregs(&fpstate->xsave, -1);
+ copy_kernel_to_xregs(&fpstate->xsave, mask);
} else {
if (use_fxsr())
copy_kernel_to_fxregs(&fpstate->fxsave);
@@ -477,7 +477,7 @@
: : [addr] "m" (fpstate));
}
- __copy_kernel_to_fpregs(fpstate);
+ __copy_kernel_to_fpregs(fpstate, -1);
}
extern int copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size);
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index 9b76cd3..ad1ed53 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -15,6 +15,7 @@
#ifdef CONFIG_HAVE_KVM
unsigned int kvm_posted_intr_ipis;
unsigned int kvm_posted_intr_wakeup_ipis;
+ unsigned int kvm_posted_intr_nested_ipis;
#endif
unsigned int x86_platform_ipis; /* arch dependent */
unsigned int apic_perf_irqs;
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index b90e105..d6dbafb 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -30,6 +30,7 @@
extern asmlinkage void x86_platform_ipi(void);
extern asmlinkage void kvm_posted_intr_ipi(void);
extern asmlinkage void kvm_posted_intr_wakeup_ipi(void);
+extern asmlinkage void kvm_posted_intr_nested_ipi(void);
extern asmlinkage void error_interrupt(void);
extern asmlinkage void irq_work_interrupt(void);
@@ -62,6 +63,7 @@
#define trace_reboot_interrupt reboot_interrupt
#define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi
#define trace_kvm_posted_intr_wakeup_ipi kvm_posted_intr_wakeup_ipi
+#define trace_kvm_posted_intr_nested_ipi kvm_posted_intr_nested_ipi
#endif /* CONFIG_TRACING */
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index 2112615..0ead9db 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -43,6 +43,9 @@
/* pin current vcpu to specified physical cpu (run rarely) */
void (*pin_vcpu)(int);
+
+ /* called during init_mem_mapping() to setup early mappings. */
+ void (*init_mem_mapping)(void);
};
extern const struct hypervisor_x86 *x86_hyper;
@@ -57,8 +60,15 @@
extern void init_hypervisor_platform(void);
extern bool hypervisor_x2apic_available(void);
extern void hypervisor_pin_vcpu(int cpu);
+
+static inline void hypervisor_init_mem_mapping(void)
+{
+ if (x86_hyper && x86_hyper->init_mem_mapping)
+ x86_hyper->init_mem_mapping();
+}
#else
static inline void init_hypervisor_platform(void) { }
static inline bool hypervisor_x2apic_available(void) { return false; }
+static inline void hypervisor_init_mem_mapping(void) { }
#endif /* CONFIG_HYPERVISOR_GUEST */
#endif /* _ASM_X86_HYPERVISOR_H */
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 7afb0e2..48febf0 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -328,13 +328,13 @@
static inline void outs##bwl(int port, const void *addr, unsigned long count) \
{ \
asm volatile("rep; outs" #bwl \
- : "+S"(addr), "+c"(count) : "d"(port)); \
+ : "+S"(addr), "+c"(count) : "d"(port) : "memory"); \
} \
\
static inline void ins##bwl(int port, void *addr, unsigned long count) \
{ \
asm volatile("rep; ins" #bwl \
- : "+D"(addr), "+c"(count) : "d"(port)); \
+ : "+D"(addr), "+c"(count) : "d"(port) : "memory"); \
}
BUILDIO(b, b, char)
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 6ca9fd6..aaf8d28 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -83,7 +83,6 @@
*/
#define X86_PLATFORM_IPI_VECTOR 0xf7
-#define POSTED_INTR_WAKEUP_VECTOR 0xf1
/*
* IRQ work vector:
*/
@@ -98,6 +97,8 @@
/* Vector for KVM to deliver posted interrupt IPI */
#ifdef CONFIG_HAVE_KVM
#define POSTED_INTR_VECTOR 0xf2
+#define POSTED_INTR_WAKEUP_VECTOR 0xf1
+#define POSTED_INTR_NESTED_VECTOR 0xf0
#endif
/*
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 34b984c..6cf6543 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -52,10 +52,10 @@
#define flush_insn_slot(p) do { } while (0)
/* optinsn template addresses */
-extern __visible kprobe_opcode_t optprobe_template_entry;
-extern __visible kprobe_opcode_t optprobe_template_val;
-extern __visible kprobe_opcode_t optprobe_template_call;
-extern __visible kprobe_opcode_t optprobe_template_end;
+extern __visible kprobe_opcode_t optprobe_template_entry[];
+extern __visible kprobe_opcode_t optprobe_template_val[];
+extern __visible kprobe_opcode_t optprobe_template_call[];
+extern __visible kprobe_opcode_t optprobe_template_end[];
#define MAX_OPTIMIZED_LENGTH (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE)
#define MAX_OPTINSN_SIZE \
(((unsigned long)&optprobe_template_end - \
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 87ac4fb..92c9032 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -492,6 +492,7 @@
unsigned long cr4;
unsigned long cr4_guest_owned_bits;
unsigned long cr8;
+ u32 pkru;
u32 hflags;
u64 efer;
u64 apic_base;
@@ -1374,8 +1375,6 @@
int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event);
void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu);
-void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address);
void kvm_define_shared_msr(unsigned index, u32 msr);
int kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index ecfcb66..7a234be 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -140,9 +140,7 @@
mm->context.execute_only_pkey = -1;
}
#endif
- init_new_context_ldt(tsk, mm);
-
- return 0;
+ return init_new_context_ldt(tsk, mm);
}
static inline void destroy_context(struct mm_struct *mm)
{
@@ -293,7 +291,7 @@
unsigned long cr3 = __pa(this_cpu_read(cpu_tlbstate.loaded_mm)->pgd);
/* For now, be very restrictive about when this can be called. */
- VM_WARN_ON(in_nmi() || !in_atomic());
+ VM_WARN_ON(in_nmi() || preemptible());
VM_BUG_ON(cr3 != __read_cr3());
return cr3;
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index cb976ba..9ffc36b 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -84,7 +84,7 @@
*/
unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
unsigned long addr, unsigned len);
-};
+} __no_randomize_layout;
struct pv_lazy_ops {
@@ -92,12 +92,12 @@
void (*enter)(void);
void (*leave)(void);
void (*flush)(void);
-};
+} __no_randomize_layout;
struct pv_time_ops {
unsigned long long (*sched_clock)(void);
unsigned long long (*steal_clock)(int cpu);
-};
+} __no_randomize_layout;
struct pv_cpu_ops {
/* hooks for various privileged instructions */
@@ -176,7 +176,7 @@
void (*start_context_switch)(struct task_struct *prev);
void (*end_context_switch)(struct task_struct *next);
-};
+} __no_randomize_layout;
struct pv_irq_ops {
/*
@@ -199,7 +199,7 @@
#ifdef CONFIG_X86_64
void (*adjust_exception_frame)(void);
#endif
-};
+} __no_randomize_layout;
struct pv_mmu_ops {
unsigned long (*read_cr2)(void);
@@ -305,7 +305,7 @@
an mfn. We can tell which is which from the index. */
void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx,
phys_addr_t phys, pgprot_t flags);
-};
+} __no_randomize_layout;
struct arch_spinlock;
#ifdef CONFIG_SMP
@@ -322,7 +322,7 @@
void (*kick)(int cpu);
struct paravirt_callee_save vcpu_is_preempted;
-};
+} __no_randomize_layout;
/* This contains all the paravirt structures: we get a convenient
* number for each function using the offset which we use to indicate
@@ -334,7 +334,7 @@
struct pv_irq_ops pv_irq_ops;
struct pv_mmu_ops pv_mmu_ops;
struct pv_lock_ops pv_lock_ops;
-};
+} __no_randomize_layout;
extern struct pv_info pv_info;
extern struct pv_init_ops pv_init_ops;
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 6a79547..028245e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -129,7 +129,7 @@
/* Index into per_cpu list: */
u16 cpu_index;
u32 microcode;
-};
+} __randomize_layout;
struct cpuid_regs {
u32 eax, ebx, ecx, edx;
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 6bb6806..7491e73 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -347,6 +347,14 @@
struct mpc_intsrc mp_irq;
/*
+ * Check bus_irq boundary.
+ */
+ if (bus_irq >= NR_IRQS_LEGACY) {
+ pr_warn("Invalid bus_irq %u for legacy override\n", bus_irq);
+ return;
+ }
+
+ /*
* Convert 'gsi' to 'ioapic.pin'.
*/
ioapic = mp_find_ioapic(gsi);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index b4f5f73..237e9c2 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2093,7 +2093,7 @@
int idx;
idx = find_irq_entry(apic1, pin1, mp_INT);
if (idx != -1 && irq_trigger(idx))
- unmask_ioapic_irq(irq_get_chip_data(0));
+ unmask_ioapic_irq(irq_get_irq_data(0));
}
irq_domain_deactivate_irq(irq_data);
irq_domain_activate_irq(irq_data);
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index bb5abe8..3b9e220 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -134,6 +134,7 @@
n = K6_BUG_LOOP;
f_vide = vide;
+ OPTIMIZER_HIDE_VAR(f_vide);
d = rdtsc();
while (n--)
f_vide();
diff --git a/arch/x86/kernel/cpu/aperfmperf.c b/arch/x86/kernel/cpu/aperfmperf.c
index d869c86..0ee8332 100644
--- a/arch/x86/kernel/cpu/aperfmperf.c
+++ b/arch/x86/kernel/cpu/aperfmperf.c
@@ -8,20 +8,25 @@
* This file is licensed under GPLv2.
*/
-#include <linux/jiffies.h>
+#include <linux/delay.h>
+#include <linux/ktime.h>
#include <linux/math64.h>
#include <linux/percpu.h>
#include <linux/smp.h>
struct aperfmperf_sample {
unsigned int khz;
- unsigned long jiffies;
+ ktime_t time;
u64 aperf;
u64 mperf;
};
static DEFINE_PER_CPU(struct aperfmperf_sample, samples);
+#define APERFMPERF_CACHE_THRESHOLD_MS 10
+#define APERFMPERF_REFRESH_DELAY_MS 20
+#define APERFMPERF_STALE_THRESHOLD_MS 1000
+
/*
* aperfmperf_snapshot_khz()
* On the current CPU, snapshot APERF, MPERF, and jiffies
@@ -33,13 +38,18 @@
u64 aperf, aperf_delta;
u64 mperf, mperf_delta;
struct aperfmperf_sample *s = this_cpu_ptr(&samples);
+ ktime_t now = ktime_get();
+ s64 time_delta = ktime_ms_delta(now, s->time);
+ unsigned long flags;
- /* Don't bother re-computing within 10 ms */
- if (time_before(jiffies, s->jiffies + HZ/100))
+ /* Don't bother re-computing within the cache threshold time. */
+ if (time_delta < APERFMPERF_CACHE_THRESHOLD_MS)
return;
+ local_irq_save(flags);
rdmsrl(MSR_IA32_APERF, aperf);
rdmsrl(MSR_IA32_MPERF, mperf);
+ local_irq_restore(flags);
aperf_delta = aperf - s->aperf;
mperf_delta = mperf - s->mperf;
@@ -51,22 +61,21 @@
if (mperf_delta == 0)
return;
- /*
- * if (cpu_khz * aperf_delta) fits into ULLONG_MAX, then
- * khz = (cpu_khz * aperf_delta) / mperf_delta
- */
- if (div64_u64(ULLONG_MAX, cpu_khz) > aperf_delta)
- s->khz = div64_u64((cpu_khz * aperf_delta), mperf_delta);
- else /* khz = aperf_delta / (mperf_delta / cpu_khz) */
- s->khz = div64_u64(aperf_delta,
- div64_u64(mperf_delta, cpu_khz));
- s->jiffies = jiffies;
+ s->time = now;
s->aperf = aperf;
s->mperf = mperf;
+
+ /* If the previous iteration was too long ago, discard it. */
+ if (time_delta > APERFMPERF_STALE_THRESHOLD_MS)
+ s->khz = 0;
+ else
+ s->khz = div64_u64((cpu_khz * aperf_delta), mperf_delta);
}
unsigned int arch_freq_get_on_cpu(int cpu)
{
+ unsigned int khz;
+
if (!cpu_khz)
return 0;
@@ -74,6 +83,12 @@
return 0;
smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1);
+ khz = per_cpu(samples.khz, cpu);
+ if (khz)
+ return khz;
+
+ msleep(APERFMPERF_REFRESH_DELAY_MS);
+ smp_call_function_single(cpu, aperfmperf_snapshot_khz, NULL, 1);
return per_cpu(samples.khz, cpu);
}
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index d7cc190..f7370ab 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -122,7 +122,7 @@
NULL
};
-static struct attribute_group thermal_attr_group = {
+static const struct attribute_group thermal_attr_group = {
.attrs = thermal_throttle_attrs,
.name = "thermal_throttle"
};
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 9cb98ee..86e8f0b 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -561,7 +561,7 @@
NULL
};
-static struct attribute_group mc_attr_group = {
+static const struct attribute_group mc_attr_group = {
.attrs = mc_default_attrs,
.name = "microcode",
};
@@ -707,7 +707,7 @@
NULL
};
-static struct attribute_group cpu_root_microcode_group = {
+static const struct attribute_group cpu_root_microcode_group = {
.name = "microcode",
.attrs = cpu_root_microcode_attrs,
};
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index c5bb63b..40d5a8a 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -237,6 +237,18 @@
stop_machine(mtrr_rendezvous_handler, &data, cpu_online_mask);
}
+static void set_mtrr_cpuslocked(unsigned int reg, unsigned long base,
+ unsigned long size, mtrr_type type)
+{
+ struct set_mtrr_data data = { .smp_reg = reg,
+ .smp_base = base,
+ .smp_size = size,
+ .smp_type = type
+ };
+
+ stop_machine_cpuslocked(mtrr_rendezvous_handler, &data, cpu_online_mask);
+}
+
static void set_mtrr_from_inactive_cpu(unsigned int reg, unsigned long base,
unsigned long size, mtrr_type type)
{
@@ -370,7 +382,7 @@
/* Search for an empty MTRR */
i = mtrr_if->get_free_region(base, size, replace);
if (i >= 0) {
- set_mtrr(i, base, size, type);
+ set_mtrr_cpuslocked(i, base, size, type);
if (likely(replace < 0)) {
mtrr_usage_table[i] = 1;
} else {
@@ -378,7 +390,7 @@
if (increment)
mtrr_usage_table[i]++;
if (unlikely(replace != i)) {
- set_mtrr(replace, 0, 0, 0);
+ set_mtrr_cpuslocked(replace, 0, 0, 0);
mtrr_usage_table[replace] = 0;
}
}
@@ -506,7 +518,7 @@
goto out;
}
if (--mtrr_usage_table[reg] < 1)
- set_mtrr(reg, 0, 0, 0);
+ set_mtrr_cpuslocked(reg, 0, 0, 0);
error = reg;
out:
mutex_unlock(&mtrr_mutex);
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 3fe45f8..cbf1f6b 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -235,8 +235,7 @@
ret = of_address_to_resource(dn, 0, &r);
if (ret) {
- printk(KERN_ERR "Can't obtain address from node %s.\n",
- dn->full_name);
+ printk(KERN_ERR "Can't obtain address from device node %pOF.\n", dn);
return;
}
mp_register_ioapic(++ioapic_id, r.start, gsi_top, &cfg);
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 46c3c73..9ba7954 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -53,6 +53,7 @@
pudval_t *pud;
pmdval_t *pmd, pmd_entry;
int i;
+ unsigned int *next_pgt_ptr;
/* Is the address too large? */
if (physaddr >> MAX_PHYSMEM_BITS)
@@ -91,9 +92,9 @@
* creates a bunch of nonsense entries but that is fine --
* it avoids problems around wraparound.
*/
-
- pud = fixup_pointer(early_dynamic_pgts[next_early_pgt++], physaddr);
- pmd = fixup_pointer(early_dynamic_pgts[next_early_pgt++], physaddr);
+ next_pgt_ptr = fixup_pointer(&next_early_pgt, physaddr);
+ pud = fixup_pointer(early_dynamic_pgts[(*next_pgt_ptr)++], physaddr);
+ pmd = fixup_pointer(early_dynamic_pgts[(*next_pgt_ptr)++], physaddr);
if (IS_ENABLED(CONFIG_X86_5LEVEL)) {
p4d = fixup_pointer(early_dynamic_pgts[next_early_pgt++], physaddr);
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 16f82a3..8ce4212 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -345,21 +345,10 @@
return 0;
}
-static int hpet_resume(struct clock_event_device *evt, int timer)
+static int hpet_resume(struct clock_event_device *evt)
{
- if (!timer) {
- hpet_enable_legacy_int();
- } else {
- struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
-
- irq_domain_deactivate_irq(irq_get_irq_data(hdev->irq));
- irq_domain_activate_irq(irq_get_irq_data(hdev->irq));
- disable_hardirq(hdev->irq);
- irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
- enable_irq(hdev->irq);
- }
+ hpet_enable_legacy_int();
hpet_print_config();
-
return 0;
}
@@ -417,7 +406,7 @@
static int hpet_legacy_resume(struct clock_event_device *evt)
{
- return hpet_resume(evt, 0);
+ return hpet_resume(evt);
}
static int hpet_legacy_next_event(unsigned long delta,
@@ -510,8 +499,14 @@
static int hpet_msi_resume(struct clock_event_device *evt)
{
struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+ struct irq_data *data = irq_get_irq_data(hdev->irq);
+ struct msi_msg msg;
- return hpet_resume(evt, hdev->num);
+ /* Restore the MSI msg and unmask the interrupt */
+ irq_chip_compose_msi_msg(data, &msg);
+ hpet_msi_write(hdev, &msg);
+ hpet_msi_unmask(data);
+ return 0;
}
static int hpet_msi_next_event(unsigned long delta,
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 4aa03c5..4ed0aba 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -155,6 +155,12 @@
seq_printf(p, "%10u ", irq_stats(j)->kvm_posted_intr_ipis);
seq_puts(p, " Posted-interrupt notification event\n");
+ seq_printf(p, "%*s: ", prec, "NPI");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ",
+ irq_stats(j)->kvm_posted_intr_nested_ipis);
+ seq_puts(p, " Nested posted-interrupt event\n");
+
seq_printf(p, "%*s: ", prec, "PIW");
for_each_online_cpu(j)
seq_printf(p, "%10u ",
@@ -313,6 +319,19 @@
exiting_irq();
set_irq_regs(old_regs);
}
+
+/*
+ * Handler for POSTED_INTERRUPT_NESTED_VECTOR.
+ */
+__visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs = set_irq_regs(regs);
+
+ entering_ack_irq();
+ inc_irq_stat(kvm_posted_intr_nested_ipis);
+ exiting_irq();
+ set_irq_regs(old_regs);
+}
#endif
__visible void __irq_entry smp_trace_x86_platform_ipi(struct pt_regs *regs)
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 7468c69..c7fd185 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -150,6 +150,8 @@
alloc_intr_gate(POSTED_INTR_VECTOR, kvm_posted_intr_ipi);
/* IPI for KVM to deliver interrupt to wake up tasks */
alloc_intr_gate(POSTED_INTR_WAKEUP_VECTOR, kvm_posted_intr_wakeup_ipi);
+ /* IPI for KVM to deliver nested posted interrupt */
+ alloc_intr_gate(POSTED_INTR_NESTED_VECTOR, kvm_posted_intr_nested_ipi);
#endif
/* IPI vectors for APIC spurious and error interrupts */
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 6b87780..f015371 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -457,6 +457,8 @@
int arch_prepare_kprobe(struct kprobe *p)
{
+ int ret;
+
if (alternatives_text_reserved(p->addr, p->addr))
return -EINVAL;
@@ -467,7 +469,13 @@
if (!p->ainsn.insn)
return -ENOMEM;
- return arch_copy_kprobe(p);
+ ret = arch_copy_kprobe(p);
+ if (ret) {
+ free_insn_slot(p->ainsn.insn, 0);
+ p->ainsn.insn = NULL;
+ }
+
+ return ret;
}
void arch_arm_kprobe(struct kprobe *p)
diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c
index 4afc67f..06e1ff5 100644
--- a/arch/x86/kernel/ksysfs.c
+++ b/arch/x86/kernel/ksysfs.c
@@ -55,7 +55,7 @@
NULL,
};
-static struct attribute_group boot_params_attr_group = {
+static const struct attribute_group boot_params_attr_group = {
.attrs = boot_params_version_attrs,
.bin_attrs = boot_params_data_attrs,
};
@@ -202,7 +202,7 @@
NULL,
};
-static struct attribute_group setup_data_attr_group = {
+static const struct attribute_group setup_data_attr_group = {
.attrs = setup_data_type_attrs,
.bin_attrs = setup_data_data_attrs,
};
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 71c17a5..d04e30e 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -151,6 +151,8 @@
if (hlist_unhashed(&n.link))
break;
+ rcu_irq_exit();
+
if (!n.halted) {
local_irq_enable();
schedule();
@@ -159,11 +161,11 @@
/*
* We cannot reschedule. So halt.
*/
- rcu_irq_exit();
native_safe_halt();
local_irq_disable();
- rcu_irq_enter();
}
+
+ rcu_irq_enter();
}
if (!n.halted)
finish_swait(&n.wq, &wait);
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 67393fc..a56bf60 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -471,12 +471,12 @@
/*
* The DMI quirks table takes precedence. If no quirks entry
- * matches and the ACPI Hardware Reduced bit is set, force EFI
- * reboot.
+ * matches and the ACPI Hardware Reduced bit is set and EFI
+ * runtime services are enabled, force EFI reboot.
*/
rv = dmi_check_system(reboot_dmi_table);
- if (!rv && efi_reboot_required())
+ if (!rv && efi_reboot_required() && !efi_runtime_disabled())
reboot_type = BOOT_EFI;
return 0;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index b474c8d..54b9e89 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -971,7 +971,8 @@
* Returns zero if CPU booted OK, else error code from
* ->wakeup_secondary_cpu.
*/
-static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
+static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle,
+ int *cpu0_nmi_registered)
{
volatile u32 *trampoline_status =
(volatile u32 *) __va(real_mode_header->trampoline_status);
@@ -979,7 +980,6 @@
unsigned long start_ip = real_mode_header->trampoline_start;
unsigned long boot_error = 0;
- int cpu0_nmi_registered = 0;
unsigned long timeout;
idle->thread.sp = (unsigned long)task_pt_regs(idle);
@@ -1035,7 +1035,7 @@
boot_error = apic->wakeup_secondary_cpu(apicid, start_ip);
else
boot_error = wakeup_cpu_via_init_nmi(cpu, start_ip, apicid,
- &cpu0_nmi_registered);
+ cpu0_nmi_registered);
if (!boot_error) {
/*
@@ -1080,12 +1080,6 @@
*/
smpboot_restore_warm_reset_vector();
}
- /*
- * Clean up the nmi handler. Do this after the callin and callout sync
- * to avoid impact of possible long unregister time.
- */
- if (cpu0_nmi_registered)
- unregister_nmi_handler(NMI_LOCAL, "wake_cpu0");
return boot_error;
}
@@ -1093,8 +1087,9 @@
int native_cpu_up(unsigned int cpu, struct task_struct *tidle)
{
int apicid = apic->cpu_present_to_apicid(cpu);
+ int cpu0_nmi_registered = 0;
unsigned long flags;
- int err;
+ int err, ret = 0;
WARN_ON(irqs_disabled());
@@ -1131,10 +1126,11 @@
common_cpu_up(cpu, tidle);
- err = do_boot_cpu(apicid, cpu, tidle);
+ err = do_boot_cpu(apicid, cpu, tidle, &cpu0_nmi_registered);
if (err) {
pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu);
- return -EIO;
+ ret = -EIO;
+ goto unreg_nmi;
}
/*
@@ -1150,7 +1146,15 @@
touch_nmi_watchdog();
}
- return 0;
+unreg_nmi:
+ /*
+ * Clean up the nmi handler. Do this after the callin and callout sync
+ * to avoid impact of possible long unregister time.
+ */
+ if (cpu0_nmi_registered)
+ unregister_nmi_handler(NMI_LOCAL, "wake_cpu0");
+
+ return ret;
}
/**
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 760433b..2688c7d 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -22,7 +22,7 @@
depends on HAVE_KVM
depends on HIGH_RES_TIMERS
# for TASKSTATS/TASK_DELAY_ACCT:
- depends on NET
+ depends on NET && MULTIUSER
select PREEMPT_NOTIFIERS
select MMU_NOTIFIER
select ANON_INODES
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 59ca2ee..19adbb4 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -469,7 +469,7 @@
entry->ecx &= kvm_cpuid_7_0_ecx_x86_features;
cpuid_mask(&entry->ecx, CPUID_7_ECX);
/* PKU is not yet implemented for shadow paging. */
- if (!tdp_enabled)
+ if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE))
entry->ecx &= ~F(PKU);
entry->edx &= kvm_cpuid_7_0_edx_x86_features;
entry->edx &= get_scattered_cpuid_leaf(7, 0, CPUID_EDX);
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 2695a34..337b6d2 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -649,9 +649,10 @@
}
if ((stimer->config & HV_STIMER_ENABLE) &&
- stimer->count)
- stimer_start(stimer);
- else
+ stimer->count) {
+ if (!stimer->msg_pending)
+ stimer_start(stimer);
+ } else
stimer_cleanup(stimer);
}
}
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index 762cdf2..e1e89ee 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -84,11 +84,6 @@
| ((u64)(kvm_register_read(vcpu, VCPU_REGS_RDX) & -1u) << 32);
}
-static inline u32 kvm_read_pkru(struct kvm_vcpu *vcpu)
-{
- return kvm_x86_ops->get_pkru(vcpu);
-}
-
static inline void enter_guest_mode(struct kvm_vcpu *vcpu)
{
vcpu->arch.hflags |= HF_GUEST_MASK;
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 2819d4c..589dcc1 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1495,11 +1495,10 @@
static void cancel_hv_timer(struct kvm_lapic *apic)
{
+ WARN_ON(preemptible());
WARN_ON(!apic->lapic_timer.hv_timer_in_use);
- preempt_disable();
kvm_x86_ops->cancel_hv_timer(apic->vcpu);
apic->lapic_timer.hv_timer_in_use = false;
- preempt_enable();
}
static bool start_hv_timer(struct kvm_lapic *apic)
@@ -1507,6 +1506,7 @@
struct kvm_timer *ktimer = &apic->lapic_timer;
int r;
+ WARN_ON(preemptible());
if (!kvm_x86_ops->set_hv_timer)
return false;
@@ -1538,6 +1538,8 @@
static void start_sw_timer(struct kvm_lapic *apic)
{
struct kvm_timer *ktimer = &apic->lapic_timer;
+
+ WARN_ON(preemptible());
if (apic->lapic_timer.hv_timer_in_use)
cancel_hv_timer(apic);
if (!apic_lvtt_period(apic) && atomic_read(&ktimer->pending))
@@ -1552,15 +1554,20 @@
static void restart_apic_timer(struct kvm_lapic *apic)
{
+ preempt_disable();
if (!start_hv_timer(apic))
start_sw_timer(apic);
+ preempt_enable();
}
void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
- WARN_ON(!apic->lapic_timer.hv_timer_in_use);
+ preempt_disable();
+ /* If the preempt notifier has already run, it also called apic_timer_expired */
+ if (!apic->lapic_timer.hv_timer_in_use)
+ goto out;
WARN_ON(swait_active(&vcpu->wq));
cancel_hv_timer(apic);
apic_timer_expired(apic);
@@ -1569,6 +1576,8 @@
advance_periodic_target_expiration(apic);
restart_apic_timer(apic);
}
+out:
+ preempt_enable();
}
EXPORT_SYMBOL_GPL(kvm_lapic_expired_hv_timer);
@@ -1582,9 +1591,11 @@
{
struct kvm_lapic *apic = vcpu->arch.apic;
+ preempt_disable();
/* Possibly the TSC deadline timer is not enabled yet */
if (apic->lapic_timer.hv_timer_in_use)
start_sw_timer(apic);
+ preempt_enable();
}
EXPORT_SYMBOL_GPL(kvm_lapic_switch_to_sw_timer);
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index d7d248a..4b9a3ae 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -185,7 +185,7 @@
* index of the protection domain, so pte_pkey * 2 is
* is the index of the first bit for the domain.
*/
- pkru_bits = (kvm_read_pkru(vcpu) >> (pte_pkey * 2)) & 3;
+ pkru_bits = (vcpu->arch.pkru >> (pte_pkey * 2)) & 3;
/* clear present bit, replace PFEC.RSVD with ACC_USER_MASK. */
offset = (pfec & ~1) +
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4d8141e..af256b7 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1100,7 +1100,7 @@
if (vls) {
if (!npt_enabled ||
- !boot_cpu_has(X86_FEATURE_VIRTUAL_VMLOAD_VMSAVE) ||
+ !boot_cpu_has(X86_FEATURE_V_VMSAVE_VMLOAD) ||
!IS_ENABLED(CONFIG_X86_64)) {
vls = false;
} else {
@@ -1777,11 +1777,6 @@
to_svm(vcpu)->vmcb->save.rflags = rflags;
}
-static u32 svm_get_pkru(struct kvm_vcpu *vcpu)
-{
- return 0;
-}
-
static void svm_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
{
switch (reg) {
@@ -2430,6 +2425,16 @@
svm->vmcb->control.exit_code = SVM_EXIT_EXCP_BASE + nr;
svm->vmcb->control.exit_code_hi = 0;
svm->vmcb->control.exit_info_1 = error_code;
+
+ /*
+ * FIXME: we should not write CR2 when L1 intercepts an L2 #PF exception.
+ * The fix is to add the ancillary datum (CR2 or DR6) to structs
+ * kvm_queued_exception and kvm_vcpu_events, so that CR2 and DR6 can be
+ * written only when inject_pending_event runs (DR6 would written here
+ * too). This should be conditional on a new capability---if the
+ * capability is disabled, kvm_multiple_exception would write the
+ * ancillary information to CR2 or DR6, for backwards ABI-compatibility.
+ */
if (svm->vcpu.arch.exception.nested_apf)
svm->vmcb->control.exit_info_2 = svm->vcpu.arch.apf.nested_apf_token;
else
@@ -5403,8 +5408,6 @@
.get_rflags = svm_get_rflags,
.set_rflags = svm_set_rflags,
- .get_pkru = svm_get_pkru,
-
.tlb_flush = svm_flush_tlb,
.run = svm_vcpu_run,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 84e62ac..c6ef294 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -198,7 +198,8 @@
struct vmcs *vmcs;
struct vmcs *shadow_vmcs;
int cpu;
- int launched;
+ bool launched;
+ bool nmi_known_unmasked;
struct list_head loaded_vmcss_on_cpu_link;
};
@@ -415,13 +416,10 @@
/* The guest-physical address of the current VMCS L1 keeps for L2 */
gpa_t current_vmptr;
- /* The host-usable pointer to the above */
- struct page *current_vmcs12_page;
- struct vmcs12 *current_vmcs12;
/*
* Cache of the guest's VMCS, existing outside of guest memory.
* Loaded from guest memory during VMPTRLD. Flushed to guest
- * memory during VMXOFF, VMCLEAR, VMPTRLD.
+ * memory during VMCLEAR and VMPTRLD.
*/
struct vmcs12 *cached_vmcs12;
/*
@@ -562,7 +560,6 @@
struct kvm_vcpu vcpu;
unsigned long host_rsp;
u8 fail;
- bool nmi_known_unmasked;
u32 exit_intr_info;
u32 idt_vectoring_info;
ulong rflags;
@@ -639,8 +636,6 @@
u64 current_tsc_ratio;
- bool guest_pkru_valid;
- u32 guest_pkru;
u32 host_pkru;
/*
@@ -927,6 +922,10 @@
static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx);
static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx);
static int alloc_identity_pagetable(struct kvm *kvm);
+static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu);
+static void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked);
+static bool nested_vmx_is_page_fault_vmexit(struct vmcs12 *vmcs12,
+ u16 error_code);
static DEFINE_PER_CPU(struct vmcs *, vmxarea);
static DEFINE_PER_CPU(struct vmcs *, current_vmcs);
@@ -2326,6 +2325,11 @@
__vmx_load_host_state(to_vmx(vcpu));
}
+static bool emulation_required(struct kvm_vcpu *vcpu)
+{
+ return emulate_invalid_guest_state && !guest_state_valid(vcpu);
+}
+
static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu);
/*
@@ -2363,6 +2367,8 @@
static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
{
+ unsigned long old_rflags = vmx_get_rflags(vcpu);
+
__set_bit(VCPU_EXREG_RFLAGS, (ulong *)&vcpu->arch.regs_avail);
to_vmx(vcpu)->rflags = rflags;
if (to_vmx(vcpu)->rmode.vm86_active) {
@@ -2370,11 +2376,9 @@
rflags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM;
}
vmcs_writel(GUEST_RFLAGS, rflags);
-}
-static u32 vmx_get_pkru(struct kvm_vcpu *vcpu)
-{
- return to_vmx(vcpu)->guest_pkru;
+ if ((old_rflags ^ to_vmx(vcpu)->rflags) & X86_EFLAGS_VM)
+ to_vmx(vcpu)->emulation_required = emulation_required(vcpu);
}
static u32 vmx_get_interrupt_shadow(struct kvm_vcpu *vcpu)
@@ -2418,6 +2422,30 @@
vmx_set_interrupt_shadow(vcpu, 0);
}
+static void nested_vmx_inject_exception_vmexit(struct kvm_vcpu *vcpu,
+ unsigned long exit_qual)
+{
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ unsigned int nr = vcpu->arch.exception.nr;
+ u32 intr_info = nr | INTR_INFO_VALID_MASK;
+
+ if (vcpu->arch.exception.has_error_code) {
+ vmcs12->vm_exit_intr_error_code = vcpu->arch.exception.error_code;
+ intr_info |= INTR_INFO_DELIVER_CODE_MASK;
+ }
+
+ if (kvm_exception_is_soft(nr))
+ intr_info |= INTR_TYPE_SOFT_EXCEPTION;
+ else
+ intr_info |= INTR_TYPE_HARD_EXCEPTION;
+
+ if (!(vmcs12->idt_vectoring_info_field & VECTORING_INFO_VALID_MASK) &&
+ vmx_get_nmi_mask(vcpu))
+ intr_info |= INTR_INFO_UNBLOCK_NMI;
+
+ nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI, intr_info, exit_qual);
+}
+
/*
* KVM wants to inject page-faults which it got to the guest. This function
* checks whether in a nested guest, we need to inject them to L1 or L2.
@@ -2427,23 +2455,38 @@
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
unsigned int nr = vcpu->arch.exception.nr;
- if (!((vmcs12->exception_bitmap & (1u << nr)) ||
- (nr == PF_VECTOR && vcpu->arch.exception.nested_apf)))
- return 0;
+ if (nr == PF_VECTOR) {
+ if (vcpu->arch.exception.nested_apf) {
+ nested_vmx_inject_exception_vmexit(vcpu,
+ vcpu->arch.apf.nested_apf_token);
+ return 1;
+ }
+ /*
+ * FIXME: we must not write CR2 when L1 intercepts an L2 #PF exception.
+ * The fix is to add the ancillary datum (CR2 or DR6) to structs
+ * kvm_queued_exception and kvm_vcpu_events, so that CR2 and DR6
+ * can be written only when inject_pending_event runs. This should be
+ * conditional on a new capability---if the capability is disabled,
+ * kvm_multiple_exception would write the ancillary information to
+ * CR2 or DR6, for backwards ABI-compatibility.
+ */
+ if (nested_vmx_is_page_fault_vmexit(vmcs12,
+ vcpu->arch.exception.error_code)) {
+ nested_vmx_inject_exception_vmexit(vcpu, vcpu->arch.cr2);
+ return 1;
+ }
+ } else {
+ unsigned long exit_qual = 0;
+ if (nr == DB_VECTOR)
+ exit_qual = vcpu->arch.dr6;
- if (vcpu->arch.exception.nested_apf) {
- vmcs_write32(VM_EXIT_INTR_ERROR_CODE, vcpu->arch.exception.error_code);
- nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI,
- PF_VECTOR | INTR_TYPE_HARD_EXCEPTION |
- INTR_INFO_DELIVER_CODE_MASK | INTR_INFO_VALID_MASK,
- vcpu->arch.apf.nested_apf_token);
- return 1;
+ if (vmcs12->exception_bitmap & (1u << nr)) {
+ nested_vmx_inject_exception_vmexit(vcpu, exit_qual);
+ return 1;
+ }
}
- nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI,
- vmcs_read32(VM_EXIT_INTR_INFO),
- vmcs_readl(EXIT_QUALIFICATION));
- return 1;
+ return 0;
}
static void vmx_queue_exception(struct kvm_vcpu *vcpu)
@@ -2657,7 +2700,7 @@
* reason is that if one of these bits is necessary, it will appear
* in vmcs01 and prepare_vmcs02, when it bitwise-or's the control
* fields of vmcs01 and vmcs02, will turn these bits off - and
- * nested_vmx_exit_handled() will not pass related exits to L1.
+ * nested_vmx_exit_reflected() will not pass related exits to L1.
* These rules have exceptions below.
*/
@@ -3857,11 +3900,6 @@
return 0;
}
-static bool emulation_required(struct kvm_vcpu *vcpu)
-{
- return emulate_invalid_guest_state && !guest_state_valid(vcpu);
-}
-
static void fix_pmode_seg(struct kvm_vcpu *vcpu, int seg,
struct kvm_segment *save)
{
@@ -4950,6 +4988,28 @@
return enable_apicv;
}
+static void nested_mark_vmcs12_pages_dirty(struct kvm_vcpu *vcpu)
+{
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ gfn_t gfn;
+
+ /*
+ * Don't need to mark the APIC access page dirty; it is never
+ * written to by the CPU during APIC virtualization.
+ */
+
+ if (nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW)) {
+ gfn = vmcs12->virtual_apic_page_addr >> PAGE_SHIFT;
+ kvm_vcpu_mark_page_dirty(vcpu, gfn);
+ }
+
+ if (nested_cpu_has_posted_intr(vmcs12)) {
+ gfn = vmcs12->posted_intr_desc_addr >> PAGE_SHIFT;
+ kvm_vcpu_mark_page_dirty(vcpu, gfn);
+ }
+}
+
+
static void vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -4957,18 +5017,15 @@
void *vapic_page;
u16 status;
- if (vmx->nested.pi_desc &&
- vmx->nested.pi_pending) {
- vmx->nested.pi_pending = false;
- if (!pi_test_and_clear_on(vmx->nested.pi_desc))
- return;
+ if (!vmx->nested.pi_desc || !vmx->nested.pi_pending)
+ return;
- max_irr = find_last_bit(
- (unsigned long *)vmx->nested.pi_desc->pir, 256);
+ vmx->nested.pi_pending = false;
+ if (!pi_test_and_clear_on(vmx->nested.pi_desc))
+ return;
- if (max_irr == 256)
- return;
-
+ max_irr = find_last_bit((unsigned long *)vmx->nested.pi_desc->pir, 256);
+ if (max_irr != 256) {
vapic_page = kmap(vmx->nested.virtual_apic_page);
__kvm_apic_update_irr(vmx->nested.pi_desc->pir, vapic_page);
kunmap(vmx->nested.virtual_apic_page);
@@ -4980,11 +5037,16 @@
vmcs_write16(GUEST_INTR_STATUS, status);
}
}
+
+ nested_mark_vmcs12_pages_dirty(vcpu);
}
-static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu,
+ bool nested)
{
#ifdef CONFIG_SMP
+ int pi_vec = nested ? POSTED_INTR_NESTED_VECTOR : POSTED_INTR_VECTOR;
+
if (vcpu->mode == IN_GUEST_MODE) {
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -5002,8 +5064,7 @@
*/
WARN_ON_ONCE(pi_test_sn(&vmx->pi_desc));
- apic->send_IPI_mask(get_cpu_mask(vcpu->cpu),
- POSTED_INTR_VECTOR);
+ apic->send_IPI_mask(get_cpu_mask(vcpu->cpu), pi_vec);
return true;
}
#endif
@@ -5018,7 +5079,7 @@
if (is_guest_mode(vcpu) &&
vector == vmx->nested.posted_intr_nv) {
/* the PIR and ON have been set by L1. */
- kvm_vcpu_trigger_posted_interrupt(vcpu);
+ kvm_vcpu_trigger_posted_interrupt(vcpu, true);
/*
* If a posted intr is not recognized by hardware,
* we will accomplish it in the next vmentry.
@@ -5052,7 +5113,7 @@
if (pi_test_and_set_on(&vmx->pi_desc))
return;
- if (!kvm_vcpu_trigger_posted_interrupt(vcpu))
+ if (!kvm_vcpu_trigger_posted_interrupt(vcpu, false))
kvm_vcpu_kick(vcpu);
}
@@ -5510,10 +5571,8 @@
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- if (!is_guest_mode(vcpu)) {
- ++vcpu->stat.nmi_injections;
- vmx->nmi_known_unmasked = false;
- }
+ ++vcpu->stat.nmi_injections;
+ vmx->loaded_vmcs->nmi_known_unmasked = false;
if (vmx->rmode.vm86_active) {
if (kvm_inject_realmode_interrupt(vcpu, NMI_VECTOR, 0) != EMULATE_DONE)
@@ -5527,16 +5586,21 @@
static bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu)
{
- if (to_vmx(vcpu)->nmi_known_unmasked)
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+ bool masked;
+
+ if (vmx->loaded_vmcs->nmi_known_unmasked)
return false;
- return vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI;
+ masked = vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & GUEST_INTR_STATE_NMI;
+ vmx->loaded_vmcs->nmi_known_unmasked = !masked;
+ return masked;
}
static void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- vmx->nmi_known_unmasked = !masked;
+ vmx->loaded_vmcs->nmi_known_unmasked = !masked;
if (masked)
vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO,
GUEST_INTR_STATE_NMI);
@@ -7124,34 +7188,32 @@
return 1;
}
+static void vmx_disable_shadow_vmcs(struct vcpu_vmx *vmx)
+{
+ vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS);
+ vmcs_write64(VMCS_LINK_POINTER, -1ull);
+}
+
static inline void nested_release_vmcs12(struct vcpu_vmx *vmx)
{
if (vmx->nested.current_vmptr == -1ull)
return;
- /* current_vmptr and current_vmcs12 are always set/reset together */
- if (WARN_ON(vmx->nested.current_vmcs12 == NULL))
- return;
-
if (enable_shadow_vmcs) {
/* copy to memory all shadowed fields in case
they were modified */
copy_shadow_to_vmcs12(vmx);
vmx->nested.sync_shadow_vmcs = false;
- vmcs_clear_bits(SECONDARY_VM_EXEC_CONTROL,
- SECONDARY_EXEC_SHADOW_VMCS);
- vmcs_write64(VMCS_LINK_POINTER, -1ull);
+ vmx_disable_shadow_vmcs(vmx);
}
vmx->nested.posted_intr_nv = -1;
/* Flush VMCS12 to guest memory */
- memcpy(vmx->nested.current_vmcs12, vmx->nested.cached_vmcs12,
- VMCS12_SIZE);
+ kvm_vcpu_write_guest_page(&vmx->vcpu,
+ vmx->nested.current_vmptr >> PAGE_SHIFT,
+ vmx->nested.cached_vmcs12, 0, VMCS12_SIZE);
- kunmap(vmx->nested.current_vmcs12_page);
- nested_release_page(vmx->nested.current_vmcs12_page);
vmx->nested.current_vmptr = -1ull;
- vmx->nested.current_vmcs12 = NULL;
}
/*
@@ -7165,12 +7227,14 @@
vmx->nested.vmxon = false;
free_vpid(vmx->nested.vpid02);
- nested_release_vmcs12(vmx);
+ vmx->nested.posted_intr_nv = -1;
+ vmx->nested.current_vmptr = -1ull;
if (vmx->nested.msr_bitmap) {
free_page((unsigned long)vmx->nested.msr_bitmap);
vmx->nested.msr_bitmap = NULL;
}
if (enable_shadow_vmcs) {
+ vmx_disable_shadow_vmcs(vmx);
vmcs_clear(vmx->vmcs01.shadow_vmcs);
free_vmcs(vmx->vmcs01.shadow_vmcs);
vmx->vmcs01.shadow_vmcs = NULL;
@@ -7569,14 +7633,14 @@
}
nested_release_vmcs12(vmx);
- vmx->nested.current_vmcs12 = new_vmcs12;
- vmx->nested.current_vmcs12_page = page;
/*
* Load VMCS12 from guest memory since it is not already
* cached.
*/
- memcpy(vmx->nested.cached_vmcs12,
- vmx->nested.current_vmcs12, VMCS12_SIZE);
+ memcpy(vmx->nested.cached_vmcs12, new_vmcs12, VMCS12_SIZE);
+ kunmap(page);
+ nested_release_page_clean(page);
+
set_current_vmptr(vmx, vmptr);
}
@@ -8009,12 +8073,11 @@
* should handle it ourselves in L0 (and then continue L2). Only call this
* when in is_guest_mode (L2).
*/
-static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
+static bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
{
u32 intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
- u32 exit_reason = vmx->exit_reason;
trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,
vmcs_readl(EXIT_QUALIFICATION),
@@ -8023,6 +8086,18 @@
vmcs_read32(VM_EXIT_INTR_ERROR_CODE),
KVM_ISA_VMX);
+ /*
+ * The host physical addresses of some pages of guest memory
+ * are loaded into VMCS02 (e.g. L1's Virtual APIC Page). The CPU
+ * may write to these pages via their host physical address while
+ * L2 is running, bypassing any address-translation-based dirty
+ * tracking (e.g. EPT write protection).
+ *
+ * Mark them dirty on every exit from L2 to prevent them from
+ * getting out of sync with dirty tracking.
+ */
+ nested_mark_vmcs12_pages_dirty(vcpu);
+
if (vmx->nested.nested_run_pending)
return false;
@@ -8159,6 +8234,29 @@
}
}
+static int nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason)
+{
+ u32 exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+
+ /*
+ * At this point, the exit interruption info in exit_intr_info
+ * is only valid for EXCEPTION_NMI exits. For EXTERNAL_INTERRUPT
+ * we need to query the in-kernel LAPIC.
+ */
+ WARN_ON(exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT);
+ if ((exit_intr_info &
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) {
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ vmcs12->vm_exit_intr_error_code =
+ vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
+ }
+
+ nested_vmx_vmexit(vcpu, exit_reason, exit_intr_info,
+ vmcs_readl(EXIT_QUALIFICATION));
+ return 1;
+}
+
static void vmx_get_exit_info(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2)
{
*info1 = vmcs_readl(EXIT_QUALIFICATION);
@@ -8405,12 +8503,8 @@
if (vmx->emulation_required)
return handle_invalid_guest_state(vcpu);
- if (is_guest_mode(vcpu) && nested_vmx_exit_handled(vcpu)) {
- nested_vmx_vmexit(vcpu, exit_reason,
- vmcs_read32(VM_EXIT_INTR_INFO),
- vmcs_readl(EXIT_QUALIFICATION));
- return 1;
- }
+ if (is_guest_mode(vcpu) && nested_vmx_exit_reflected(vcpu, exit_reason))
+ return nested_vmx_reflect_vmexit(vcpu, exit_reason);
if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) {
dump_vmcs();
@@ -8736,7 +8830,7 @@
idtv_info_valid = vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK;
- if (vmx->nmi_known_unmasked)
+ if (vmx->loaded_vmcs->nmi_known_unmasked)
return;
/*
* Can't use vmx->exit_intr_info since we're not sure what
@@ -8760,7 +8854,7 @@
vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO,
GUEST_INTR_STATE_NMI);
else
- vmx->nmi_known_unmasked =
+ vmx->loaded_vmcs->nmi_known_unmasked =
!(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO)
& GUEST_INTR_STATE_NMI);
}
@@ -8919,8 +9013,10 @@
if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
vmx_set_interrupt_shadow(vcpu, 0);
- if (vmx->guest_pkru_valid)
- __write_pkru(vmx->guest_pkru);
+ if (static_cpu_has(X86_FEATURE_PKU) &&
+ kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
+ vcpu->arch.pkru != vmx->host_pkru)
+ __write_pkru(vcpu->arch.pkru);
atomic_switch_perf_msrs(vmx);
debugctlmsr = get_debugctlmsr();
@@ -9068,13 +9164,11 @@
* back on host, so it is safe to read guest PKRU from current
* XSAVE.
*/
- if (boot_cpu_has(X86_FEATURE_OSPKE)) {
- vmx->guest_pkru = __read_pkru();
- if (vmx->guest_pkru != vmx->host_pkru) {
- vmx->guest_pkru_valid = true;
+ if (static_cpu_has(X86_FEATURE_PKU) &&
+ kvm_read_cr4_bits(vcpu, X86_CR4_PKE)) {
+ vcpu->arch.pkru = __read_pkru();
+ if (vcpu->arch.pkru != vmx->host_pkru)
__write_pkru(vmx->host_pkru);
- } else
- vmx->guest_pkru_valid = false;
}
/*
@@ -9213,7 +9307,6 @@
vmx->nested.posted_intr_nv = -1;
vmx->nested.current_vmptr = -1ull;
- vmx->nested.current_vmcs12 = NULL;
vmx->msr_ia32_feature_control_valid_bits = FEATURE_CONTROL_LOCKED;
@@ -9499,12 +9592,15 @@
WARN_ON(!is_guest_mode(vcpu));
- if (nested_vmx_is_page_fault_vmexit(vmcs12, fault->error_code))
- nested_vmx_vmexit(vcpu, to_vmx(vcpu)->exit_reason,
- vmcs_read32(VM_EXIT_INTR_INFO),
- vmcs_readl(EXIT_QUALIFICATION));
- else
+ if (nested_vmx_is_page_fault_vmexit(vmcs12, fault->error_code)) {
+ vmcs12->vm_exit_intr_error_code = fault->error_code;
+ nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI,
+ PF_VECTOR | INTR_TYPE_HARD_EXCEPTION |
+ INTR_INFO_DELIVER_CODE_MASK | INTR_INFO_VALID_MASK,
+ fault->address);
+ } else {
kvm_inject_page_fault(vcpu, fault);
+ }
}
static inline bool nested_vmx_merge_msr_bitmap(struct kvm_vcpu *vcpu,
@@ -10032,6 +10128,8 @@
vmcs12->vm_entry_instruction_len);
vmcs_write32(GUEST_INTERRUPTIBILITY_INFO,
vmcs12->guest_interruptibility_info);
+ vmx->loaded_vmcs->nmi_known_unmasked =
+ !(vmcs12->guest_interruptibility_info & GUEST_INTR_STATE_NMI);
} else {
vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
}
@@ -10056,13 +10154,9 @@
/* Posted interrupts setting is only taken from vmcs12. */
if (nested_cpu_has_posted_intr(vmcs12)) {
- /*
- * Note that we use L0's vector here and in
- * vmx_deliver_nested_posted_interrupt.
- */
vmx->nested.posted_intr_nv = vmcs12->posted_intr_nv;
vmx->nested.pi_pending = false;
- vmcs_write16(POSTED_INTR_NV, POSTED_INTR_VECTOR);
+ vmcs_write16(POSTED_INTR_NV, POSTED_INTR_NESTED_VECTOR);
} else {
exec_control &= ~PIN_BASED_POSTED_INTR;
}
@@ -10086,12 +10180,6 @@
* "or"ing of the EB of vmcs01 and vmcs12, because when enable_ept,
* vmcs01's EB.PF is 0 so the "or" will take vmcs12's value, and when
* !enable_ept, EB.PF is 1, so the "or" will always be 1.
- *
- * A problem with this approach (when !enable_ept) is that L1 may be
- * injected with more page faults than it asked for. This could have
- * caused problems, but in practice existing hypervisors don't care.
- * To fix this, we will need to emulate the PFEC checking (on the L1
- * page tables), using walk_addr(), when injecting PFs to L1.
*/
vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK,
enable_ept ? vmcs12->page_fault_error_code_mask : 0);
@@ -10488,6 +10576,7 @@
{
struct vmcs12 *vmcs12;
struct vcpu_vmx *vmx = to_vmx(vcpu);
+ u32 interrupt_shadow = vmx_get_interrupt_shadow(vcpu);
u32 exit_qual;
int ret;
@@ -10512,6 +10601,12 @@
* for misconfigurations which will anyway be caught by the processor
* when using the merged vmcs02.
*/
+ if (interrupt_shadow & KVM_X86_SHADOW_INT_MOV_SS) {
+ nested_vmx_failValid(vcpu,
+ VMXERR_ENTRY_EVENTS_BLOCKED_BY_MOV_SS);
+ goto out;
+ }
+
if (vmcs12->launch_state == launch) {
nested_vmx_failValid(vcpu,
launch ? VMXERR_VMLAUNCH_NONCLEAR_VMCS
@@ -10832,13 +10927,8 @@
vmcs12->vm_exit_reason = exit_reason;
vmcs12->exit_qualification = exit_qualification;
-
vmcs12->vm_exit_intr_info = exit_intr_info;
- if ((vmcs12->vm_exit_intr_info &
- (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
- (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK))
- vmcs12->vm_exit_intr_error_code =
- vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
+
vmcs12->idt_vectoring_info_field = 0;
vmcs12->vm_exit_instruction_len = vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
vmcs12->vmx_instruction_info = vmcs_read32(VMX_INSTRUCTION_INFO);
@@ -10926,7 +11016,9 @@
*/
vmx_flush_tlb(vcpu);
}
-
+ /* Restore posted intr vector. */
+ if (nested_cpu_has_posted_intr(vmcs12))
+ vmcs_write16(POSTED_INTR_NV, POSTED_INTR_VECTOR);
vmcs_write32(GUEST_SYSENTER_CS, vmcs12->host_ia32_sysenter_cs);
vmcs_writel(GUEST_SYSENTER_ESP, vmcs12->host_ia32_sysenter_esp);
@@ -11032,8 +11124,15 @@
vmx_switch_vmcs(vcpu, &vmx->vmcs01);
- if ((exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT)
- && nested_exit_intr_ack_set(vcpu)) {
+ /*
+ * TODO: SDM says that with acknowledge interrupt on exit, bit 31 of
+ * the VM-exit interrupt information (valid interrupt) is always set to
+ * 1 on EXIT_REASON_EXTERNAL_INTERRUPT, so we shouldn't need
+ * kvm_cpu_has_interrupt(). See the commit message for details.
+ */
+ if (nested_exit_intr_ack_set(vcpu) &&
+ exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT &&
+ kvm_cpu_has_interrupt(vcpu)) {
int irq = kvm_cpu_get_interrupt(vcpu);
WARN_ON(irq < 0);
vmcs12->vm_exit_intr_info = irq |
@@ -11576,8 +11675,6 @@
.get_rflags = vmx_get_rflags,
.set_rflags = vmx_set_rflags,
- .get_pkru = vmx_get_pkru,
-
.tlb_flush = vmx_flush_tlb,
.run = vmx_vcpu_run,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5b8f078..272320e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -597,8 +597,8 @@
(unsigned long *)&vcpu->arch.regs_avail))
return true;
- gfn = (kvm_read_cr3(vcpu) & ~31u) >> PAGE_SHIFT;
- offset = (kvm_read_cr3(vcpu) & ~31u) & (PAGE_SIZE - 1);
+ gfn = (kvm_read_cr3(vcpu) & 0xffffffe0ul) >> PAGE_SHIFT;
+ offset = (kvm_read_cr3(vcpu) & 0xffffffe0ul) & (PAGE_SIZE - 1);
r = kvm_read_nested_guest_page(vcpu, gfn, pdpte, offset, sizeof(pdpte),
PFERR_USER_MASK | PFERR_WRITE_MASK);
if (r < 0)
@@ -3159,15 +3159,18 @@
kvm_set_hflags(vcpu, hflags);
vcpu->arch.smi_pending = events->smi.pending;
- if (events->smi.smm_inside_nmi)
- vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK;
- else
- vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK;
- if (lapic_in_kernel(vcpu)) {
- if (events->smi.latched_init)
- set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events);
+
+ if (events->smi.smm) {
+ if (events->smi.smm_inside_nmi)
+ vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK;
else
- clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events);
+ vcpu->arch.hflags &= ~HF_SMM_INSIDE_NMI_MASK;
+ if (lapic_in_kernel(vcpu)) {
+ if (events->smi.latched_init)
+ set_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events);
+ else
+ clear_bit(KVM_APIC_INIT, &vcpu->arch.apic->pending_events);
+ }
}
}
@@ -3242,7 +3245,12 @@
u32 size, offset, ecx, edx;
cpuid_count(XSTATE_CPUID, index,
&size, &offset, &ecx, &edx);
- memcpy(dest + offset, src, size);
+ if (feature == XFEATURE_MASK_PKRU)
+ memcpy(dest + offset, &vcpu->arch.pkru,
+ sizeof(vcpu->arch.pkru));
+ else
+ memcpy(dest + offset, src, size);
+
}
valid -= feature;
@@ -3280,7 +3288,11 @@
u32 size, offset, ecx, edx;
cpuid_count(XSTATE_CPUID, index,
&size, &offset, &ecx, &edx);
- memcpy(dest, src + offset, size);
+ if (feature == XFEATURE_MASK_PKRU)
+ memcpy(&vcpu->arch.pkru, src + offset,
+ sizeof(vcpu->arch.pkru));
+ else
+ memcpy(dest, src + offset, size);
}
valid -= feature;
@@ -6215,6 +6227,7 @@
lapic_irq.shorthand = 0;
lapic_irq.dest_mode = 0;
+ lapic_irq.level = 0;
lapic_irq.dest_id = apicid;
lapic_irq.msi_redir_hint = false;
@@ -6721,17 +6734,6 @@
}
EXPORT_SYMBOL_GPL(kvm_vcpu_reload_apic_access_page);
-void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm,
- unsigned long address)
-{
- /*
- * The physical address of apic access page is stored in the VMCS.
- * Update it when it becomes invalid.
- */
- if (address == gfn_to_hva(kvm, APIC_DEFAULT_PHYS_BASE >> PAGE_SHIFT))
- kvm_make_all_cpus_request(kvm, KVM_REQ_APIC_PAGE_RELOAD);
-}
-
/*
* Returns 1 to let vcpu_run() continue the guest execution loop without
* exiting to the userspace. Otherwise, the value will be returned to the
@@ -7629,7 +7631,9 @@
*/
vcpu->guest_fpu_loaded = 1;
__kernel_fpu_begin();
- __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu.state);
+ /* PKRU is separately restored in kvm_x86_ops->run. */
+ __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu.state,
+ ~XFEATURE_MASK_PKRU);
trace_kvm_fpu(1);
}
diff --git a/arch/x86/math-emu/Makefile b/arch/x86/math-emu/Makefile
index 9b0c63b..1b2dac1 100644
--- a/arch/x86/math-emu/Makefile
+++ b/arch/x86/math-emu/Makefile
@@ -5,8 +5,8 @@
#DEBUG = -DDEBUGGING
DEBUG =
PARANOID = -DPARANOID
-EXTRA_CFLAGS := $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION)
-EXTRA_AFLAGS := $(PARANOID)
+ccflags-y += $(PARANOID) $(DEBUG) -fno-builtin $(MATH_EMULATION)
+asflags-y += $(PARANOID)
# From 'C' language sources:
C_OBJS =fpu_entry.o errors.o \
diff --git a/arch/x86/math-emu/fpu_emu.h b/arch/x86/math-emu/fpu_emu.h
index afbc4d8..c9c320d 100644
--- a/arch/x86/math-emu/fpu_emu.h
+++ b/arch/x86/math-emu/fpu_emu.h
@@ -157,7 +157,7 @@
#define signbyte(a) (((u_char *)(a))[9])
#define getsign(a) (signbyte(a) & 0x80)
-#define setsign(a,b) { if (b) signbyte(a) |= 0x80; else signbyte(a) &= 0x7f; }
+#define setsign(a,b) { if ((b) != 0) signbyte(a) |= 0x80; else signbyte(a) &= 0x7f; }
#define copysign(a,b) { if (getsign(a)) signbyte(b) |= 0x80; \
else signbyte(b) &= 0x7f; }
#define changesign(a) { signbyte(a) ^= 0x80; }
diff --git a/arch/x86/math-emu/reg_compare.c b/arch/x86/math-emu/reg_compare.c
index b77360f..19b33b5 100644
--- a/arch/x86/math-emu/reg_compare.c
+++ b/arch/x86/math-emu/reg_compare.c
@@ -168,7 +168,7 @@
/* This function requires that st(0) is not empty */
int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag)
{
- int f = 0, c;
+ int f, c;
c = compare(loaded_data, loaded_tag);
@@ -189,12 +189,12 @@
case COMP_No_Comp:
f = SW_C3 | SW_C2 | SW_C0;
break;
-#ifdef PARANOID
default:
+#ifdef PARANOID
EXCEPTION(EX_INTERNAL | 0x121);
+#endif /* PARANOID */
f = SW_C3 | SW_C2 | SW_C0;
break;
-#endif /* PARANOID */
}
setcc(f);
if (c & COMP_Denormal) {
@@ -205,7 +205,7 @@
static int compare_st_st(int nr)
{
- int f = 0, c;
+ int f, c;
FPU_REG *st_ptr;
if (!NOT_EMPTY(0) || !NOT_EMPTY(nr)) {
@@ -235,12 +235,12 @@
case COMP_No_Comp:
f = SW_C3 | SW_C2 | SW_C0;
break;
-#ifdef PARANOID
default:
+#ifdef PARANOID
EXCEPTION(EX_INTERNAL | 0x122);
+#endif /* PARANOID */
f = SW_C3 | SW_C2 | SW_C0;
break;
-#endif /* PARANOID */
}
setcc(f);
if (c & COMP_Denormal) {
@@ -283,12 +283,12 @@
case COMP_No_Comp:
f = X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF;
break;
-#ifdef PARANOID
default:
+#ifdef PARANOID
EXCEPTION(EX_INTERNAL | 0x122);
+#endif /* PARANOID */
f = 0;
break;
-#endif /* PARANOID */
}
FPU_EFLAGS = (FPU_EFLAGS & ~(X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF)) | f;
if (c & COMP_Denormal) {
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 673541e..bf3f106 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -18,6 +18,7 @@
#include <asm/dma.h> /* for MAX_DMA_PFN */
#include <asm/microcode.h>
#include <asm/kaslr.h>
+#include <asm/hypervisor.h>
/*
* We need to define the tracepoints somewhere, and tlb.c
@@ -636,6 +637,8 @@
load_cr3(swapper_pg_dir);
__flush_tlb_all();
+ hypervisor_init_mem_mapping();
+
early_memtest(0, max_pfn_mapped << PAGE_SHIFT);
}
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index 229d04a..a88cfbf 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -50,8 +50,7 @@
static unsigned long stack_maxrandom_size(unsigned long task_size)
{
unsigned long max = 0;
- if ((current->flags & PF_RANDOMIZE) &&
- !(current->personality & ADDR_NO_RANDOMIZE)) {
+ if (current->flags & PF_RANDOMIZE) {
max = (-1UL) & __STACK_RND_MASK(task_size == tasksize_32bit());
max <<= PAGE_SHIFT;
}
@@ -79,13 +78,13 @@
static unsigned long arch_rnd(unsigned int rndbits)
{
+ if (!(current->flags & PF_RANDOMIZE))
+ return 0;
return (get_random_long() & ((1UL << rndbits) - 1)) << PAGE_SHIFT;
}
unsigned long arch_mmap_rnd(void)
{
- if (!(current->flags & PF_RANDOMIZE))
- return 0;
return arch_rnd(mmap_is_ia32() ? mmap32_rnd_bits : mmap64_rnd_bits);
}
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
index 6e075af..58337b2 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_max7315.c
@@ -38,8 +38,10 @@
*/
strcpy(i2c_info->type, "max7315");
if (nr++) {
- sprintf(base_pin_name, "max7315_%d_base", nr);
- sprintf(intr_pin_name, "max7315_%d_int", nr);
+ snprintf(base_pin_name, sizeof(base_pin_name),
+ "max7315_%d_base", nr);
+ snprintf(intr_pin_name, sizeof(intr_pin_name),
+ "max7315_%d_int", nr);
} else {
strcpy(base_pin_name, "max7315_base");
strcpy(intr_pin_name, "max7315_int");
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index d4a61dd..f44c0bc 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -26,7 +26,7 @@
static struct bau_operations ops __ro_after_init;
/* timeouts in nanoseconds (indexed by UVH_AGING_PRESCALE_SEL urgency7 30:28) */
-static int timeout_base_ns[] = {
+static const int timeout_base_ns[] = {
20,
160,
1280,
@@ -40,7 +40,6 @@
static int timeout_us;
static bool nobau = true;
static int nobau_perm;
-static cycles_t congested_cycles;
/* tunables: */
static int max_concurr = MAX_BAU_CONCURRENT;
@@ -829,10 +828,10 @@
if ((completion_status == FLUSH_COMPLETE) && (try == 1)) {
bcp->period_requests++;
bcp->period_time += elapsed;
- if ((elapsed > congested_cycles) &&
+ if ((elapsed > usec_2_cycles(bcp->cong_response_us)) &&
(bcp->period_requests > bcp->cong_reps) &&
((bcp->period_time / bcp->period_requests) >
- congested_cycles)) {
+ usec_2_cycles(bcp->cong_response_us))) {
stat->s_congested++;
disable_for_period(bcp, stat);
}
@@ -1217,7 +1216,7 @@
* set a bit in the UVH_LB_BAU_INTD_SOFTWARE_ACKNOWLEDGE register.
* Such a message must be ignored.
*/
-void process_uv2_message(struct msg_desc *mdp, struct bau_control *bcp)
+static void process_uv2_message(struct msg_desc *mdp, struct bau_control *bcp)
{
unsigned long mmr_image;
unsigned char swack_vec;
@@ -2222,14 +2221,17 @@
else if (is_uv1_hub())
ops = uv1_bau_ops;
+ nuvhubs = uv_num_possible_blades();
+ if (nuvhubs < 2) {
+ pr_crit("UV: BAU disabled - insufficient hub count\n");
+ goto err_bau_disable;
+ }
+
for_each_possible_cpu(cur_cpu) {
mask = &per_cpu(uv_flush_tlb_mask, cur_cpu);
zalloc_cpumask_var_node(mask, GFP_KERNEL, cpu_to_node(cur_cpu));
}
- nuvhubs = uv_num_possible_blades();
- congested_cycles = usec_2_cycles(congested_respns_us);
-
uv_base_pnode = 0x7fffffff;
for (uvhub = 0; uvhub < nuvhubs; uvhub++) {
cpus = uv_blade_nr_possible_cpus(uvhub);
@@ -2242,9 +2244,8 @@
enable_timeouts();
if (init_per_cpu(nuvhubs, uv_base_pnode)) {
- set_bau_off();
- nobau_perm = 1;
- return 0;
+ pr_crit("UV: BAU disabled - per CPU init failed\n");
+ goto err_bau_disable;
}
vector = UV_BAU_MESSAGE;
@@ -2270,6 +2271,16 @@
}
return 0;
+
+err_bau_disable:
+
+ for_each_possible_cpu(cur_cpu)
+ free_cpumask_var(per_cpu(uv_flush_tlb_mask, cur_cpu));
+
+ set_bau_off();
+ nobau_perm = 1;
+
+ return -EINVAL;
}
core_initcall(uv_bau_init);
fs_initcall(uv_ptc_init);
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c
index ae4cd58..02250b2 100644
--- a/arch/x86/um/user-offsets.c
+++ b/arch/x86/um/user-offsets.c
@@ -50,7 +50,7 @@
DEFINE(HOST_GS, GS);
DEFINE(HOST_ORIG_AX, ORIG_EAX);
#else
-#if defined(PTRACE_GETREGSET) && defined(PTRACE_SETREGSET)
+#ifdef FP_XSTATE_MAGIC1
DEFINE(HOST_FP_SIZE, sizeof(struct _xstate) / sizeof(unsigned long));
#else
DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
diff --git a/arch/x86/xen/enlighten_hvm.c b/arch/x86/xen/enlighten_hvm.c
index 87d7913..de503c2 100644
--- a/arch/x86/xen/enlighten_hvm.c
+++ b/arch/x86/xen/enlighten_hvm.c
@@ -12,6 +12,7 @@
#include <asm/setup.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
+#include <asm/early_ioremap.h>
#include <asm/xen/cpuid.h>
#include <asm/xen/hypervisor.h>
@@ -21,38 +22,50 @@
#include "mmu.h"
#include "smp.h"
-void __ref xen_hvm_init_shared_info(void)
+static unsigned long shared_info_pfn;
+
+void xen_hvm_init_shared_info(void)
{
struct xen_add_to_physmap xatp;
- u64 pa;
-
- if (HYPERVISOR_shared_info == &xen_dummy_shared_info) {
- /*
- * Search for a free page starting at 4kB physical address.
- * Low memory is preferred to avoid an EPT large page split up
- * by the mapping.
- * Starting below X86_RESERVE_LOW (usually 64kB) is fine as
- * the BIOS used for HVM guests is well behaved and won't
- * clobber memory other than the first 4kB.
- */
- for (pa = PAGE_SIZE;
- !e820__mapped_all(pa, pa + PAGE_SIZE, E820_TYPE_RAM) ||
- memblock_is_reserved(pa);
- pa += PAGE_SIZE)
- ;
-
- memblock_reserve(pa, PAGE_SIZE);
- HYPERVISOR_shared_info = __va(pa);
- }
xatp.domid = DOMID_SELF;
xatp.idx = 0;
xatp.space = XENMAPSPACE_shared_info;
- xatp.gpfn = virt_to_pfn(HYPERVISOR_shared_info);
+ xatp.gpfn = shared_info_pfn;
if (HYPERVISOR_memory_op(XENMEM_add_to_physmap, &xatp))
BUG();
}
+static void __init reserve_shared_info(void)
+{
+ u64 pa;
+
+ /*
+ * Search for a free page starting at 4kB physical address.
+ * Low memory is preferred to avoid an EPT large page split up
+ * by the mapping.
+ * Starting below X86_RESERVE_LOW (usually 64kB) is fine as
+ * the BIOS used for HVM guests is well behaved and won't
+ * clobber memory other than the first 4kB.
+ */
+ for (pa = PAGE_SIZE;
+ !e820__mapped_all(pa, pa + PAGE_SIZE, E820_TYPE_RAM) ||
+ memblock_is_reserved(pa);
+ pa += PAGE_SIZE)
+ ;
+
+ shared_info_pfn = PHYS_PFN(pa);
+
+ memblock_reserve(pa, PAGE_SIZE);
+ HYPERVISOR_shared_info = early_memremap(pa, PAGE_SIZE);
+}
+
+static void __init xen_hvm_init_mem_mapping(void)
+{
+ early_memunmap(HYPERVISOR_shared_info, PAGE_SIZE);
+ HYPERVISOR_shared_info = __va(PFN_PHYS(shared_info_pfn));
+}
+
static void __init init_hvm_pv_info(void)
{
int major, minor;
@@ -153,6 +166,7 @@
init_hvm_pv_info();
+ reserve_shared_info();
xen_hvm_init_shared_info();
/*
@@ -218,5 +232,6 @@
.init_platform = xen_hvm_guest_init,
.pin_vcpu = xen_pin_vcpu,
.x2apic_available = xen_x2apic_para_available,
+ .init_mem_mapping = xen_hvm_init_mem_mapping,
};
EXPORT_SYMBOL(x86_hyper_xen_hvm);
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 1ea598e..5147140 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -19,6 +19,7 @@
#include <linux/irq_work.h>
#include <linux/tick.h>
#include <linux/nmi.h>
+#include <linux/cpuhotplug.h>
#include <asm/paravirt.h>
#include <asm/desc.h>
@@ -413,7 +414,7 @@
*/
tick_nohz_idle_enter();
- cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+ cpuhp_online_idle(CPUHP_AP_ONLINE_IDLE);
}
#else /* !CONFIG_HOTPLUG_CPU */
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index a1895a8..1ecb05d 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -309,7 +309,6 @@
void xen_teardown_timer(int cpu)
{
struct clock_event_device *evt;
- BUG_ON(cpu == 0);
evt = &per_cpu(xen_clock_events, cpu).evt;
if (evt->irq >= 0) {
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 2d716eb..dff7cc3 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -1,5 +1,6 @@
generic-y += bug.h
generic-y += clkdev.h
+generic-y += device.h
generic-y += div64.h
generic-y += dma-contiguous.h
generic-y += emergency-restart.h
@@ -17,6 +18,7 @@
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
+generic-y += param.h
generic-y += percpu.h
generic-y += preempt.h
generic-y += rwsem.h
diff --git a/arch/xtensa/include/asm/device.h b/arch/xtensa/include/asm/device.h
deleted file mode 100644
index 1deeb8e..0000000
--- a/arch/xtensa/include/asm/device.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#ifndef _ASM_XTENSA_DEVICE_H
-#define _ASM_XTENSA_DEVICE_H
-
-struct dev_archdata {
-};
-
-struct pdev_archdata {
-};
-
-#endif /* _ASM_XTENSA_DEVICE_H */
diff --git a/arch/xtensa/include/asm/param.h b/arch/xtensa/include/asm/param.h
deleted file mode 100644
index 0a70e78..0000000
--- a/arch/xtensa/include/asm/param.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * include/asm-xtensa/param.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- */
-#ifndef _XTENSA_PARAM_H
-#define _XTENSA_PARAM_H
-
-#include <uapi/asm/param.h>
-
-# define HZ CONFIG_HZ /* internal timer frequency */
-# define USER_HZ 100 /* for user interfaces in "ticks" */
-# define CLOCKS_PER_SEC (USER_HZ) /* frequnzy at which times() counts */
-#endif /* _XTENSA_PARAM_H */
diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h
index 98b004e..47d82c0 100644
--- a/arch/xtensa/include/uapi/asm/ioctls.h
+++ b/arch/xtensa/include/uapi/asm/ioctls.h
@@ -105,7 +105,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCSERCONFIG _IO('T', 83)
#define TIOCSERGWILD _IOR('T', 84, int)
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c
index d159e9b..6723910 100644
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -94,13 +94,11 @@
}
EXPORT_SYMBOL(__sync_fetch_and_or_4);
-#ifdef CONFIG_NET
/*
* Networking support
*/
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
-#endif /* CONFIG_NET */
/*
* Architecture-specific symbols
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 1a804a2..3c75c4e 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -103,6 +103,7 @@
clear_page_alias(kvaddr, paddr);
preempt_enable();
}
+EXPORT_SYMBOL(clear_user_highpage);
void copy_user_highpage(struct page *dst, struct page *src,
unsigned long vaddr, struct vm_area_struct *vma)
@@ -119,10 +120,7 @@
copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr);
preempt_enable();
}
-
-#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */
-
-#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
+EXPORT_SYMBOL(copy_user_highpage);
/*
* Any time the kernel writes to a user page cache page, or it is about to
@@ -176,7 +174,7 @@
/* There shouldn't be an entry in the cache for this page anymore. */
}
-
+EXPORT_SYMBOL(flush_dcache_page);
/*
* For now, flush the whole cache. FIXME??
@@ -188,6 +186,7 @@
__flush_invalidate_dcache_all();
__invalidate_icache_all();
}
+EXPORT_SYMBOL(local_flush_cache_range);
/*
* Remove any entry in the cache for this page.
@@ -207,8 +206,9 @@
__flush_invalidate_dcache_page_alias(virt, phys);
__invalidate_icache_page_alias(virt, phys);
}
+EXPORT_SYMBOL(local_flush_cache_page);
-#endif
+#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */
void
update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep)
@@ -225,7 +225,7 @@
flush_tlb_page(vma, addr);
-#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
+#if (DCACHE_WAY_SIZE > PAGE_SIZE)
if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) {
unsigned long phys = page_to_phys(page);
@@ -256,7 +256,7 @@
* flush_dcache_page() on the page.
*/
-#if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK
+#if (DCACHE_WAY_SIZE > PAGE_SIZE)
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 60a6835..436b6ca 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -4299,6 +4299,9 @@
bfq_bfqq_expire(bfqd, bfqq, false,
BFQQE_NO_MORE_REQUESTS);
}
+
+ if (!bfqd->rq_in_driver)
+ bfq_schedule_dispatch(bfqd);
}
static void bfq_put_rq_priv_body(struct bfq_queue *bfqq)
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 8fd83b8..859f0a8 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -52,7 +52,7 @@
struct bfq_service_tree {
/* tree for active entities (i.e., those backlogged) */
struct rb_root active;
- /* tree for idle entities (i.e., not backlogged, with V <= F_i)*/
+ /* tree for idle entities (i.e., not backlogged, with V < F_i)*/
struct rb_root idle;
/* idle entity with minimum F_i */
@@ -71,17 +71,29 @@
*
* bfq_sched_data is the basic scheduler queue. It supports three
* ioprio_classes, and can be used either as a toplevel queue or as an
- * intermediate queue on a hierarchical setup. @next_in_service
- * points to the active entity of the sched_data service trees that
- * will be scheduled next. It is used to reduce the number of steps
- * needed for each hierarchical-schedule update.
+ * intermediate queue in a hierarchical setup.
*
* The supported ioprio_classes are the same as in CFQ, in descending
* priority order, IOPRIO_CLASS_RT, IOPRIO_CLASS_BE, IOPRIO_CLASS_IDLE.
* Requests from higher priority queues are served before all the
* requests from lower priority queues; among requests of the same
* queue requests are served according to B-WF2Q+.
- * All the fields are protected by the queue lock of the containing bfqd.
+ *
+ * The schedule is implemented by the service trees, plus the field
+ * @next_in_service, which points to the entity on the active trees
+ * that will be served next, if 1) no changes in the schedule occurs
+ * before the current in-service entity is expired, 2) the in-service
+ * queue becomes idle when it expires, and 3) if the entity pointed by
+ * in_service_entity is not a queue, then the in-service child entity
+ * of the entity pointed by in_service_entity becomes idle on
+ * expiration. This peculiar definition allows for the following
+ * optimization, not yet exploited: while a given entity is still in
+ * service, we already know which is the best candidate for next
+ * service among the other active entitities in the same parent
+ * entity. We can then quickly compare the timestamps of the
+ * in-service entity with those of such best candidate.
+ *
+ * All fields are protected by the lock of the containing bfqd.
*/
struct bfq_sched_data {
/* entity in service */
diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c
index 5ec05cd..911aa74 100644
--- a/block/bfq-wf2q.c
+++ b/block/bfq-wf2q.c
@@ -188,21 +188,23 @@
/*
* This function tells whether entity stops being a candidate for next
- * service, according to the following logic.
+ * service, according to the restrictive definition of the field
+ * next_in_service. In particular, this function is invoked for an
+ * entity that is about to be set in service.
*
- * This function is invoked for an entity that is about to be set in
- * service. If such an entity is a queue, then the entity is no longer
- * a candidate for next service (i.e, a candidate entity to serve
- * after the in-service entity is expired). The function then returns
- * true.
+ * If entity is a queue, then the entity is no longer a candidate for
+ * next service according to the that definition, because entity is
+ * about to become the in-service queue. This function then returns
+ * true if entity is a queue.
*
- * In contrast, the entity could stil be a candidate for next service
- * if it is not a queue, and has more than one child. In fact, even if
- * one of its children is about to be set in service, other children
- * may still be the next to serve. As a consequence, a non-queue
- * entity is not a candidate for next-service only if it has only one
- * child. And only if this condition holds, then the function returns
- * true for a non-queue entity.
+ * In contrast, entity could still be a candidate for next service if
+ * it is not a queue, and has more than one active child. In fact,
+ * even if one of its children is about to be set in service, other
+ * active children may still be the next to serve, for the parent
+ * entity, even according to the above definition. As a consequence, a
+ * non-queue entity is not a candidate for next-service only if it has
+ * only one active child. And only if this condition holds, then this
+ * function returns true for a non-queue entity.
*/
static bool bfq_no_longer_next_in_service(struct bfq_entity *entity)
{
@@ -213,6 +215,18 @@
bfqg = container_of(entity, struct bfq_group, entity);
+ /*
+ * The field active_entities does not always contain the
+ * actual number of active children entities: it happens to
+ * not account for the in-service entity in case the latter is
+ * removed from its active tree (which may get done after
+ * invoking the function bfq_no_longer_next_in_service in
+ * bfq_get_next_queue). Fortunately, here, i.e., while
+ * bfq_no_longer_next_in_service is not yet completed in
+ * bfq_get_next_queue, bfq_active_extract has not yet been
+ * invoked, and thus active_entities still coincides with the
+ * actual number of active entities.
+ */
if (bfqg->active_entities == 1)
return true;
@@ -954,7 +968,7 @@
* one of its children receives a new request.
*
* Basically, this function updates the timestamps of entity and
- * inserts entity into its active tree, ater possible extracting it
+ * inserts entity into its active tree, ater possibly extracting it
* from its idle tree.
*/
static void __bfq_activate_entity(struct bfq_entity *entity,
@@ -1048,7 +1062,7 @@
entity->start = entity->finish;
/*
* In addition, if the entity had more than one child
- * when set in service, then was not extracted from
+ * when set in service, then it was not extracted from
* the active tree. This implies that the position of
* the entity in the active tree may need to be
* changed now, because we have just updated the start
@@ -1056,9 +1070,8 @@
* time in a moment (the requeueing is then, more
* precisely, a repositioning in this case). To
* implement this repositioning, we: 1) dequeue the
- * entity here, 2) update the finish time and
- * requeue the entity according to the new
- * timestamps below.
+ * entity here, 2) update the finish time and requeue
+ * the entity according to the new timestamps below.
*/
if (entity->tree)
bfq_active_extract(st, entity);
@@ -1105,9 +1118,10 @@
/**
- * bfq_activate_entity - activate or requeue an entity representing a bfq_queue,
- * and activate, requeue or reposition all ancestors
- * for which such an update becomes necessary.
+ * bfq_activate_requeue_entity - activate or requeue an entity representing a
+ * bfq_queue, and activate, requeue or reposition
+ * all ancestors for which such an update becomes
+ * necessary.
* @entity: the entity to activate.
* @non_blocking_wait_rq: true if this entity was waiting for a request
* @requeue: true if this is a requeue, which implies that bfqq is
@@ -1135,9 +1149,9 @@
* @ins_into_idle_tree: if false, the entity will not be put into the
* idle tree.
*
- * Deactivates an entity, independently from its previous state. Must
+ * Deactivates an entity, independently of its previous state. Must
* be invoked only if entity is on a service tree. Extracts the entity
- * from that tree, and if necessary and allowed, puts it on the idle
+ * from that tree, and if necessary and allowed, puts it into the idle
* tree.
*/
bool __bfq_deactivate_entity(struct bfq_entity *entity, bool ins_into_idle_tree)
@@ -1158,8 +1172,10 @@
st = bfq_entity_service_tree(entity);
is_in_service = entity == sd->in_service_entity;
- if (is_in_service)
+ if (is_in_service) {
bfq_calc_finish(entity, entity->service);
+ sd->in_service_entity = NULL;
+ }
if (entity->tree == &st->active)
bfq_active_extract(st, entity);
@@ -1177,7 +1193,7 @@
/**
* bfq_deactivate_entity - deactivate an entity representing a bfq_queue.
* @entity: the entity to deactivate.
- * @ins_into_idle_tree: true if the entity can be put on the idle tree
+ * @ins_into_idle_tree: true if the entity can be put into the idle tree
*/
static void bfq_deactivate_entity(struct bfq_entity *entity,
bool ins_into_idle_tree,
@@ -1208,16 +1224,29 @@
*/
bfq_update_next_in_service(sd, NULL);
- if (sd->next_in_service)
+ if (sd->next_in_service || sd->in_service_entity) {
/*
- * The parent entity is still backlogged,
- * because next_in_service is not NULL. So, no
- * further upwards deactivation must be
- * performed. Yet, next_in_service has
- * changed. Then the schedule does need to be
- * updated upwards.
+ * The parent entity is still active, because
+ * either next_in_service or in_service_entity
+ * is not NULL. So, no further upwards
+ * deactivation must be performed. Yet,
+ * next_in_service has changed. Then the
+ * schedule does need to be updated upwards.
+ *
+ * NOTE If in_service_entity is not NULL, then
+ * next_in_service may happen to be NULL,
+ * although the parent entity is evidently
+ * active. This happens if 1) the entity
+ * pointed by in_service_entity is the only
+ * active entity in the parent entity, and 2)
+ * according to the definition of
+ * next_in_service, the in_service_entity
+ * cannot be considered as
+ * next_in_service. See the comments on the
+ * definition of next_in_service for details.
*/
break;
+ }
/*
* If we get here, then the parent is no more
@@ -1297,7 +1326,7 @@
*
* This function searches the first schedulable entity, starting from the
* root of the tree and going on the left every time on this side there is
- * a subtree with at least one eligible (start >= vtime) entity. The path on
+ * a subtree with at least one eligible (start <= vtime) entity. The path on
* the right is followed only if a) the left subtree contains no eligible
* entities and b) no eligible entity has been found yet.
*/
@@ -1494,47 +1523,34 @@
/*
* If entity is no longer a candidate for next
- * service, then we extract it from its active tree,
- * for the following reason. To further boost the
- * throughput in some special case, BFQ needs to know
- * which is the next candidate entity to serve, while
- * there is already an entity in service. In this
- * respect, to make it easy to compute/update the next
- * candidate entity to serve after the current
- * candidate has been set in service, there is a case
- * where it is necessary to extract the current
- * candidate from its service tree. Such a case is
- * when the entity just set in service cannot be also
- * a candidate for next service. Details about when
- * this conditions holds are reported in the comments
- * on the function bfq_no_longer_next_in_service()
- * invoked below.
+ * service, then it must be extracted from its active
+ * tree, so as to make sure that it won't be
+ * considered when computing next_in_service. See the
+ * comments on the function
+ * bfq_no_longer_next_in_service() for details.
*/
if (bfq_no_longer_next_in_service(entity))
bfq_active_extract(bfq_entity_service_tree(entity),
entity);
/*
- * For the same reason why we may have just extracted
- * entity from its active tree, we may need to update
- * next_in_service for the sched_data of entity too,
- * regardless of whether entity has been extracted.
- * In fact, even if entity has not been extracted, a
- * descendant entity may get extracted. Such an event
- * would cause a change in next_in_service for the
- * level of the descendant entity, and thus possibly
- * back to upper levels.
+ * Even if entity is not to be extracted according to
+ * the above check, a descendant entity may get
+ * extracted in one of the next iterations of this
+ * loop. Such an event could cause a change in
+ * next_in_service for the level of the descendant
+ * entity, and thus possibly back to this level.
*
- * We cannot perform the resulting needed update
- * before the end of this loop, because, to know which
- * is the correct next-to-serve candidate entity for
- * each level, we need first to find the leaf entity
- * to set in service. In fact, only after we know
- * which is the next-to-serve leaf entity, we can
- * discover whether the parent entity of the leaf
- * entity becomes the next-to-serve, and so on.
+ * However, we cannot perform the resulting needed
+ * update of next_in_service for this level before the
+ * end of the whole loop, because, to know which is
+ * the correct next-to-serve candidate entity for each
+ * level, we need first to find the leaf entity to set
+ * in service. In fact, only after we know which is
+ * the next-to-serve leaf entity, we can discover
+ * whether the parent entity of the leaf entity
+ * becomes the next-to-serve, and so on.
*/
-
}
bfqq = bfq_entity_to_bfqq(entity);
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 83e92be..9b1ea47 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -387,9 +387,11 @@
*/
bool __bio_integrity_endio(struct bio *bio)
{
- if (bio_op(bio) == REQ_OP_READ && !bio->bi_status) {
- struct bio_integrity_payload *bip = bio_integrity(bio);
+ struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+ struct bio_integrity_payload *bip = bio_integrity(bio);
+ if (bio_op(bio) == REQ_OP_READ && !bio->bi_status &&
+ (bip->bip_flags & BIP_BLOCK_INTEGRITY) && bi->profile->verify_fn) {
INIT_WORK(&bip->bip_work, bio_integrity_verify_fn);
queue_work(kintegrityd_wq, &bip->bip_work);
return false;
diff --git a/block/blk-core.c b/block/blk-core.c
index 970b9c96..dbecbf4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -3421,6 +3421,10 @@
*/
void blk_pm_runtime_init(struct request_queue *q, struct device *dev)
{
+ /* not support for RQF_PM and ->rpm_status in blk-mq yet */
+ if (q->mq_ops)
+ return;
+
q->dev = dev;
q->rpm_status = RPM_ACTIVE;
pm_runtime_set_autosuspend_delay(q->dev, -1);
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
index 4891f04..9f8cffc 100644
--- a/block/blk-mq-cpumap.c
+++ b/block/blk-mq-cpumap.c
@@ -17,9 +17,9 @@
static int cpu_to_queue_index(unsigned int nr_queues, const int cpu)
{
/*
- * Non online CPU will be mapped to queue index 0.
+ * Non present CPU will be mapped to queue index 0.
*/
- if (!cpu_online(cpu))
+ if (!cpu_present(cpu))
return 0;
return cpu % nr_queues;
}
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 9ebc294..4f927a5 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -75,6 +75,8 @@
QUEUE_FLAG_NAME(STATS),
QUEUE_FLAG_NAME(POLL_STATS),
QUEUE_FLAG_NAME(REGISTERED),
+ QUEUE_FLAG_NAME(SCSI_PASSTHROUGH),
+ QUEUE_FLAG_NAME(QUIESCED),
};
#undef QUEUE_FLAG_NAME
@@ -265,6 +267,7 @@
CMD_FLAG_NAME(RAHEAD),
CMD_FLAG_NAME(BACKGROUND),
CMD_FLAG_NAME(NOUNMAP),
+ CMD_FLAG_NAME(NOWAIT),
};
#undef CMD_FLAG_NAME
diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c
index 0c3354c..76944e3 100644
--- a/block/blk-mq-pci.c
+++ b/block/blk-mq-pci.c
@@ -36,12 +36,18 @@
for (queue = 0; queue < set->nr_hw_queues; queue++) {
mask = pci_irq_get_affinity(pdev, queue);
if (!mask)
- return -EINVAL;
+ goto fallback;
for_each_cpu(cpu, mask)
set->mq_map[cpu] = queue;
}
return 0;
+
+fallback:
+ WARN_ON_ONCE(set->nr_hw_queues > 1);
+ for_each_possible_cpu(cpu)
+ set->mq_map[cpu] = 0;
+ return 0;
}
EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 041f7b7..4603b11 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -301,11 +301,12 @@
struct elevator_queue *e = q->elevator;
struct request *rq;
unsigned int tag;
+ struct blk_mq_ctx *local_ctx = NULL;
blk_queue_enter_live(q);
data->q = q;
if (likely(!data->ctx))
- data->ctx = blk_mq_get_ctx(q);
+ data->ctx = local_ctx = blk_mq_get_ctx(q);
if (likely(!data->hctx))
data->hctx = blk_mq_map_queue(q, data->ctx->cpu);
if (op & REQ_NOWAIT)
@@ -324,6 +325,10 @@
tag = blk_mq_get_tag(data);
if (tag == BLK_MQ_TAG_FAIL) {
+ if (local_ctx) {
+ blk_mq_put_ctx(local_ctx);
+ data->ctx = NULL;
+ }
blk_queue_exit(q);
return NULL;
}
@@ -355,13 +360,13 @@
return ERR_PTR(ret);
rq = blk_mq_get_request(q, NULL, op, &alloc_data);
-
- blk_mq_put_ctx(alloc_data.ctx);
blk_queue_exit(q);
if (!rq)
return ERR_PTR(-EWOULDBLOCK);
+ blk_mq_put_ctx(alloc_data.ctx);
+
rq->__data_len = 0;
rq->__sector = (sector_t) -1;
rq->bio = rq->biotail = NULL;
@@ -406,7 +411,6 @@
alloc_data.ctx = __blk_mq_get_ctx(q, cpu);
rq = blk_mq_get_request(q, NULL, op, &alloc_data);
-
blk_queue_exit(q);
if (!rq)
@@ -679,8 +683,8 @@
void blk_mq_delay_kick_requeue_list(struct request_queue *q,
unsigned long msecs)
{
- kblockd_schedule_delayed_work(&q->requeue_work,
- msecs_to_jiffies(msecs));
+ kblockd_mod_delayed_work_on(WORK_CPU_UNBOUND, &q->requeue_work,
+ msecs_to_jiffies(msecs));
}
EXPORT_SYMBOL(blk_mq_delay_kick_requeue_list);
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index a7285bf..80f5481 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -382,6 +382,14 @@
} \
} while (0)
+static inline unsigned int throtl_bio_data_size(struct bio *bio)
+{
+ /* assume it's one sector */
+ if (unlikely(bio_op(bio) == REQ_OP_DISCARD))
+ return 512;
+ return bio->bi_iter.bi_size;
+}
+
static void throtl_qnode_init(struct throtl_qnode *qn, struct throtl_grp *tg)
{
INIT_LIST_HEAD(&qn->node);
@@ -934,6 +942,7 @@
bool rw = bio_data_dir(bio);
u64 bytes_allowed, extra_bytes, tmp;
unsigned long jiffy_elapsed, jiffy_wait, jiffy_elapsed_rnd;
+ unsigned int bio_size = throtl_bio_data_size(bio);
jiffy_elapsed = jiffy_elapsed_rnd = jiffies - tg->slice_start[rw];
@@ -947,14 +956,14 @@
do_div(tmp, HZ);
bytes_allowed = tmp;
- if (tg->bytes_disp[rw] + bio->bi_iter.bi_size <= bytes_allowed) {
+ if (tg->bytes_disp[rw] + bio_size <= bytes_allowed) {
if (wait)
*wait = 0;
return true;
}
/* Calc approx time to dispatch */
- extra_bytes = tg->bytes_disp[rw] + bio->bi_iter.bi_size - bytes_allowed;
+ extra_bytes = tg->bytes_disp[rw] + bio_size - bytes_allowed;
jiffy_wait = div64_u64(extra_bytes * HZ, tg_bps_limit(tg, rw));
if (!jiffy_wait)
@@ -1034,11 +1043,12 @@
static void throtl_charge_bio(struct throtl_grp *tg, struct bio *bio)
{
bool rw = bio_data_dir(bio);
+ unsigned int bio_size = throtl_bio_data_size(bio);
/* Charge the bio to the group */
- tg->bytes_disp[rw] += bio->bi_iter.bi_size;
+ tg->bytes_disp[rw] += bio_size;
tg->io_disp[rw]++;
- tg->last_bytes_disp[rw] += bio->bi_iter.bi_size;
+ tg->last_bytes_disp[rw] += bio_size;
tg->last_io_disp[rw]++;
/*
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index c4513b2..dd56d74 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -29,26 +29,25 @@
#include <scsi/scsi_cmnd.h>
/**
- * bsg_destroy_job - routine to teardown/delete a bsg job
+ * bsg_teardown_job - routine to teardown a bsg job
* @job: bsg_job that is to be torn down
*/
-static void bsg_destroy_job(struct kref *kref)
+static void bsg_teardown_job(struct kref *kref)
{
struct bsg_job *job = container_of(kref, struct bsg_job, kref);
struct request *rq = job->req;
- blk_end_request_all(rq, BLK_STS_OK);
-
put_device(job->dev); /* release reference for the request */
kfree(job->request_payload.sg_list);
kfree(job->reply_payload.sg_list);
- kfree(job);
+
+ blk_end_request_all(rq, BLK_STS_OK);
}
void bsg_job_put(struct bsg_job *job)
{
- kref_put(&job->kref, bsg_destroy_job);
+ kref_put(&job->kref, bsg_teardown_job);
}
EXPORT_SYMBOL_GPL(bsg_job_put);
@@ -100,7 +99,7 @@
*/
static void bsg_softirq_done(struct request *rq)
{
- struct bsg_job *job = rq->special;
+ struct bsg_job *job = blk_mq_rq_to_pdu(rq);
bsg_job_put(job);
}
@@ -122,33 +121,20 @@
}
/**
- * bsg_create_job - create the bsg_job structure for the bsg request
+ * bsg_prepare_job - create the bsg_job structure for the bsg request
* @dev: device that is being sent the bsg request
* @req: BSG request that needs a job structure
*/
-static int bsg_create_job(struct device *dev, struct request *req)
+static int bsg_prepare_job(struct device *dev, struct request *req)
{
struct request *rsp = req->next_rq;
- struct request_queue *q = req->q;
struct scsi_request *rq = scsi_req(req);
- struct bsg_job *job;
+ struct bsg_job *job = blk_mq_rq_to_pdu(req);
int ret;
- BUG_ON(req->special);
-
- job = kzalloc(sizeof(struct bsg_job) + q->bsg_job_size, GFP_KERNEL);
- if (!job)
- return -ENOMEM;
-
- req->special = job;
- job->req = req;
- if (q->bsg_job_size)
- job->dd_data = (void *)&job[1];
job->request = rq->cmd;
job->request_len = rq->cmd_len;
- job->reply = rq->sense;
- job->reply_len = SCSI_SENSE_BUFFERSIZE; /* Size of sense buffer
- * allocated */
+
if (req->bio) {
ret = bsg_map_buffer(&job->request_payload, req);
if (ret)
@@ -187,7 +173,6 @@
{
struct device *dev = q->queuedata;
struct request *req;
- struct bsg_job *job;
int ret;
if (!get_device(dev))
@@ -199,7 +184,7 @@
break;
spin_unlock_irq(q->queue_lock);
- ret = bsg_create_job(dev, req);
+ ret = bsg_prepare_job(dev, req);
if (ret) {
scsi_req(req)->result = ret;
blk_end_request_all(req, BLK_STS_OK);
@@ -207,8 +192,7 @@
continue;
}
- job = req->special;
- ret = q->bsg_job_fn(job);
+ ret = q->bsg_job_fn(blk_mq_rq_to_pdu(req));
spin_lock_irq(q->queue_lock);
if (ret)
break;
@@ -219,6 +203,35 @@
spin_lock_irq(q->queue_lock);
}
+static int bsg_init_rq(struct request_queue *q, struct request *req, gfp_t gfp)
+{
+ struct bsg_job *job = blk_mq_rq_to_pdu(req);
+ struct scsi_request *sreq = &job->sreq;
+
+ memset(job, 0, sizeof(*job));
+
+ scsi_req_init(sreq);
+ sreq->sense_len = SCSI_SENSE_BUFFERSIZE;
+ sreq->sense = kzalloc(sreq->sense_len, gfp);
+ if (!sreq->sense)
+ return -ENOMEM;
+
+ job->req = req;
+ job->reply = sreq->sense;
+ job->reply_len = sreq->sense_len;
+ job->dd_data = job + 1;
+
+ return 0;
+}
+
+static void bsg_exit_rq(struct request_queue *q, struct request *req)
+{
+ struct bsg_job *job = blk_mq_rq_to_pdu(req);
+ struct scsi_request *sreq = &job->sreq;
+
+ kfree(sreq->sense);
+}
+
/**
* bsg_setup_queue - Create and add the bsg hooks so we can receive requests
* @dev: device to attach bsg device to
@@ -235,7 +248,9 @@
q = blk_alloc_queue(GFP_KERNEL);
if (!q)
return ERR_PTR(-ENOMEM);
- q->cmd_size = sizeof(struct scsi_request);
+ q->cmd_size = sizeof(struct bsg_job) + dd_job_size;
+ q->init_rq_fn = bsg_init_rq;
+ q->exit_rq_fn = bsg_exit_rq;
q->request_fn = bsg_request_fn;
ret = blk_init_allocated_queue(q);
@@ -243,7 +258,6 @@
goto out_cleanup_queue;
q->queuedata = dev;
- q->bsg_job_size = dd_job_size;
q->bsg_job_fn = job_fn;
queue_flag_set_unlocked(QUEUE_FLAG_BIDI, q);
queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 43839b0..903605d 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -87,8 +87,13 @@
}
sgl = sreq->tsg;
n = sg_nents(sgl);
- for_each_sg(sgl, sg, n, i)
- put_page(sg_page(sg));
+ for_each_sg(sgl, sg, n, i) {
+ struct page *page = sg_page(sg);
+
+ /* some SGs may not have a page mapped */
+ if (page && page_ref_count(page))
+ put_page(page);
+ }
kfree(sreq->tsg);
}
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 6f8f6b8..0cf5fef 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -248,6 +248,9 @@
u8 *ihash = ohash + crypto_ahash_digestsize(auth);
u32 tmp[2];
+ if (!authsize)
+ goto decrypt;
+
/* Move high-order bits of sequence number back. */
scatterwalk_map_and_copy(tmp, dst, 4, 4, 0);
scatterwalk_map_and_copy(tmp + 1, dst, assoclen + cryptlen, 4, 0);
@@ -256,6 +259,8 @@
if (crypto_memneq(ihash, ohash, authsize))
return -EBADMSG;
+decrypt:
+
sg_init_table(areq_ctx->dst, 2);
dst = scatterwalk_ffwd(areq_ctx->dst, dst, assoclen);
diff --git a/crypto/chacha20_generic.c b/crypto/chacha20_generic.c
index 8b3c04d..4a45fa4 100644
--- a/crypto/chacha20_generic.c
+++ b/crypto/chacha20_generic.c
@@ -91,9 +91,14 @@
crypto_chacha20_init(state, ctx, walk.iv);
while (walk.nbytes > 0) {
+ unsigned int nbytes = walk.nbytes;
+
+ if (nbytes < walk.total)
+ nbytes = round_down(nbytes, walk.stride);
+
chacha20_docrypt(state, walk.dst.virt.addr, walk.src.virt.addr,
- walk.nbytes);
- err = skcipher_walk_done(&walk, 0);
+ nbytes);
+ err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
}
return err;
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 6ceb0e2..d54971d 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -32675,6 +32675,10 @@
"\x5b\x86\x2f\x37\x30\xe3\x7c\xfd"
"\xc4\xfd\x80\x6c\x22\xf2\x21",
.rlen = 375,
+ .also_non_np = 1,
+ .np = 3,
+ .tap = { 375 - 20, 4, 16 },
+
}, { /* RFC7539 A.2. Test Vector #3 */
.key = "\x1c\x92\x40\xa5\xeb\x55\xd3\x8a"
"\xf3\x33\x88\x86\x04\xf6\xb5\xf0"
@@ -33049,6 +33053,9 @@
"\xa1\xed\xad\xd5\x76\xfa\x24\x8f"
"\x98",
.rlen = 1281,
+ .also_non_np = 1,
+ .np = 3,
+ .tap = { 1200, 1, 80 },
},
};
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index fc6c416..d5999eb 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -180,8 +180,8 @@
{ "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
{ "BRCM900D", APD_ADDR(vulcan_spi_desc) },
{ "CAV900D", APD_ADDR(vulcan_spi_desc) },
- { "HISI0A21", APD_ADDR(hip07_i2c_desc) },
- { "HISI0A22", APD_ADDR(hip08_i2c_desc) },
+ { "HISI02A1", APD_ADDR(hip07_i2c_desc) },
+ { "HISI02A2", APD_ADDR(hip08_i2c_desc) },
#endif
{ }
};
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index e51a1e9..f88caf5 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -85,6 +85,7 @@
};
struct lpss_private_data {
+ struct acpi_device *adev;
void __iomem *mmio_base;
resource_size_t mmio_size;
unsigned int fixed_clk_rate;
@@ -155,6 +156,12 @@
static void byt_pwm_setup(struct lpss_private_data *pdata)
{
+ struct acpi_device *adev = pdata->adev;
+
+ /* Only call pwm_add_table for the first PWM controller */
+ if (!adev->pnp.unique_id || strcmp(adev->pnp.unique_id, "1"))
+ return;
+
if (!acpi_dev_present("INT33FD", NULL, -1))
pwm_add_table(byt_pwm_lookup, ARRAY_SIZE(byt_pwm_lookup));
}
@@ -180,6 +187,12 @@
static void bsw_pwm_setup(struct lpss_private_data *pdata)
{
+ struct acpi_device *adev = pdata->adev;
+
+ /* Only call pwm_add_table for the first PWM controller */
+ if (!adev->pnp.unique_id || strcmp(adev->pnp.unique_id, "1"))
+ return;
+
pwm_add_table(bsw_pwm_lookup, ARRAY_SIZE(bsw_pwm_lookup));
}
@@ -456,6 +469,7 @@
goto err_out;
}
+ pdata->adev = adev;
pdata->dev_desc = dev_desc;
if (dev_desc->setup)
diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
index 8c4e0a1..bf22c29 100644
--- a/drivers/acpi/acpi_watchdog.c
+++ b/drivers/acpi/acpi_watchdog.c
@@ -86,7 +86,12 @@
found = false;
resource_list_for_each_entry(rentry, &resource_list) {
- if (resource_contains(rentry->res, &res)) {
+ if (rentry->res->flags == res.flags &&
+ resource_overlaps(rentry->res, &res)) {
+ if (res.start < rentry->res->start)
+ rentry->res->start = res.start;
+ if (res.end > rentry->res->end)
+ rentry->res->end = res.end;
found = true;
break;
}
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index 538c616..783f4c8 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -100,9 +100,13 @@
free_buffer_on_error = TRUE;
}
- status = acpi_get_handle(handle, pathname, &target_handle);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ if (pathname) {
+ status = acpi_get_handle(handle, pathname, &target_handle);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ } else {
+ target_handle = handle;
}
full_pathname = acpi_ns_get_external_pathname(target_handle);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index ddb01e9..ae3d6d1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -151,6 +151,10 @@
module_param(ec_freeze_events, bool, 0644);
MODULE_PARM_DESC(ec_freeze_events, "Disabling event handling during suspend/resume");
+static bool ec_no_wakeup __read_mostly;
+module_param(ec_no_wakeup, bool, 0644);
+MODULE_PARM_DESC(ec_no_wakeup, "Do not wake up from suspend-to-idle");
+
struct acpi_ec_query_handler {
struct list_head node;
acpi_ec_query_func func;
@@ -535,6 +539,14 @@
spin_unlock_irqrestore(&ec->lock, flags);
__acpi_ec_flush_event(ec);
}
+
+void acpi_ec_flush_work(void)
+{
+ if (first_ec)
+ __acpi_ec_flush_event(first_ec);
+
+ flush_scheduled_work();
+}
#endif /* CONFIG_PM_SLEEP */
static bool acpi_ec_guard_event(struct acpi_ec *ec)
@@ -1729,7 +1741,7 @@
* functioning ECDT EC first in order to handle the events.
* https://bugzilla.kernel.org/show_bug.cgi?id=115021
*/
-int __init acpi_ec_ecdt_start(void)
+static int __init acpi_ec_ecdt_start(void)
{
acpi_handle handle;
@@ -1880,6 +1892,32 @@
return 0;
}
+static int acpi_ec_suspend_noirq(struct device *dev)
+{
+ struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev));
+
+ /*
+ * The SCI handler doesn't run at this point, so the GPE can be
+ * masked at the low level without side effects.
+ */
+ if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) &&
+ ec->reference_count >= 1)
+ acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE);
+
+ return 0;
+}
+
+static int acpi_ec_resume_noirq(struct device *dev)
+{
+ struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev));
+
+ if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) &&
+ ec->reference_count >= 1)
+ acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE);
+
+ return 0;
+}
+
static int acpi_ec_resume(struct device *dev)
{
struct acpi_ec *ec =
@@ -1891,6 +1929,7 @@
#endif
static const struct dev_pm_ops acpi_ec_pm = {
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend_noirq, acpi_ec_resume_noirq)
SET_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend, acpi_ec_resume)
};
@@ -1964,20 +2003,17 @@
int __init acpi_ec_init(void)
{
int result;
+ int ecdt_fail, dsdt_fail;
/* register workqueue for _Qxx evaluations */
result = acpi_ec_query_init();
if (result)
- goto err_exit;
- /* Now register the driver for the EC */
- result = acpi_bus_register_driver(&acpi_ec_driver);
- if (result)
- goto err_exit;
+ return result;
-err_exit:
- if (result)
- acpi_ec_query_exit();
- return result;
+ /* Drivers must be started after acpi_ec_query_init() */
+ ecdt_fail = acpi_ec_ecdt_start();
+ dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver);
+ return ecdt_fail && dsdt_fail ? -ENODEV : 0;
}
/* EC driver currently not unloadable */
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 9531d32..3f5af4d 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -185,7 +185,6 @@
int acpi_ec_init(void);
int acpi_ec_ecdt_probe(void);
int acpi_ec_dsdt_probe(void);
-int acpi_ec_ecdt_start(void);
void acpi_ec_block_transactions(void);
void acpi_ec_unblock_transactions(void);
int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
@@ -193,6 +192,10 @@
void *data);
void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
+#ifdef CONFIG_PM_SLEEP
+void acpi_ec_flush_work(void);
+#endif
+
/*--------------------------------------------------------------------------
Suspend/Resume
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index b75b734..19182d0 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -3160,6 +3160,8 @@
static __init int nfit_init(void)
{
+ int ret;
+
BUILD_BUG_ON(sizeof(struct acpi_table_nfit) != 40);
BUILD_BUG_ON(sizeof(struct acpi_nfit_system_address) != 56);
BUILD_BUG_ON(sizeof(struct acpi_nfit_memory_map) != 48);
@@ -3187,8 +3189,14 @@
return -ENOMEM;
nfit_mce_register();
+ ret = acpi_bus_register_driver(&acpi_nfit_driver);
+ if (ret) {
+ nfit_mce_unregister();
+ destroy_workqueue(nfit_wq);
+ }
- return acpi_bus_register_driver(&acpi_nfit_driver);
+ return ret;
+
}
static __exit void nfit_exit(void)
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index edb0c79..917f1cc 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -443,7 +443,7 @@
* So go over all cpu entries in SRAT to get apicid to node mapping.
*/
- /* SRAT: Static Resource Affinity Table */
+ /* SRAT: System Resource Affinity Table */
if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
struct acpi_subtable_proc srat_proc[3];
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index a9eb9d6..d50a7b6 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -48,6 +48,8 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_idle");
+#define ACPI_IDLE_STATE_START (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX) ? 1 : 0)
+
static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
module_param(max_cstate, uint, 0000);
static unsigned int nocst __read_mostly;
@@ -761,7 +763,7 @@
if (cx->type != ACPI_STATE_C1) {
if (acpi_idle_fallback_to_c1(pr) && num_online_cpus() > 1) {
- index = CPUIDLE_DRIVER_STATE_START;
+ index = ACPI_IDLE_STATE_START;
cx = per_cpu(acpi_cstate[index], dev->cpu);
} else if (cx->type == ACPI_STATE_C3 && pr->flags.bm_check) {
if (cx->bm_sts_skip || !acpi_idle_bm_check()) {
@@ -813,7 +815,7 @@
static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
struct cpuidle_device *dev)
{
- int i, count = CPUIDLE_DRIVER_STATE_START;
+ int i, count = ACPI_IDLE_STATE_START;
struct acpi_processor_cx *cx;
if (max_cstate == 0)
@@ -840,7 +842,7 @@
static int acpi_processor_setup_cstates(struct acpi_processor *pr)
{
- int i, count = CPUIDLE_DRIVER_STATE_START;
+ int i, count;
struct acpi_processor_cx *cx;
struct cpuidle_state *state;
struct cpuidle_driver *drv = &acpi_idle_driver;
@@ -848,6 +850,13 @@
if (max_cstate == 0)
max_cstate = 1;
+ if (IS_ENABLED(CONFIG_ARCH_HAS_CPU_RELAX)) {
+ cpuidle_poll_state_init(drv);
+ count = 1;
+ } else {
+ count = 0;
+ }
+
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) {
cx = &pr->power.states[i];
@@ -1291,7 +1300,7 @@
return -EINVAL;
drv->safe_state_index = -1;
- for (i = CPUIDLE_DRIVER_STATE_START; i < CPUIDLE_STATE_MAX; i++) {
+ for (i = ACPI_IDLE_STATE_START; i < CPUIDLE_STATE_MAX; i++) {
drv->states[i].name[0] = '\0';
drv->states[i].desc[0] = '\0';
}
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 917c789..476a52c 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1047,7 +1047,7 @@
fwnode_for_each_child_node(fwnode, child) {
u32 nr;
- if (!fwnode_property_read_u32(fwnode, prop_name, &nr))
+ if (fwnode_property_read_u32(child, prop_name, &nr))
continue;
if (val == nr)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 3389729..70fd550 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2084,7 +2084,6 @@
acpi_gpe_apply_masked_gpes();
acpi_update_all_gpes();
- acpi_ec_ecdt_start();
acpi_scan_initialized = true;
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 61b2e9f..09460d9 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -951,11 +951,11 @@
/*
* Process all pending events in case there are any wakeup ones.
*
- * The EC driver uses the system workqueue, so that one needs to be
- * flushed too.
+ * The EC driver uses the system workqueue and an additional special
+ * one, so those need to be flushed too.
*/
+ acpi_ec_flush_work();
acpi_os_wait_events_complete();
- flush_scheduled_work();
s2idle_wakeup = false;
}
diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index 4ac3e06..98aa8c8 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -17,6 +17,16 @@
#include <linux/serial_core.h>
/*
+ * Erratum 44 for QDF2432v1 and QDF2400v1 SoCs describes the BUSY bit as
+ * occasionally getting stuck as 1. To avoid the potential for a hang, check
+ * TXFE == 0 instead of BUSY == 1. This may not be suitable for all UART
+ * implementations, so only do so if an affected platform is detected in
+ * parse_spcr().
+ */
+bool qdf2400_e44_present;
+EXPORT_SYMBOL(qdf2400_e44_present);
+
+/*
* Some Qualcomm Datacenter Technologies SoCs have a defective UART BUSY bit.
* Detect them by examining the OEM fields in the SPCR header, similiar to PCI
* quirk detection in pci_mcfg.c.
@@ -147,8 +157,30 @@
goto done;
}
- if (qdf2400_erratum_44_present(&table->header))
- uart = "qdf2400_e44";
+ /*
+ * If the E44 erratum is required, then we need to tell the pl011
+ * driver to implement the work-around.
+ *
+ * The global variable is used by the probe function when it
+ * creates the UARTs, whether or not they're used as a console.
+ *
+ * If the user specifies "traditional" earlycon, the qdf2400_e44
+ * console name matches the EARLYCON_DECLARE() statement, and
+ * SPCR is not used. Parameter "earlycon" is false.
+ *
+ * If the user specifies "SPCR" earlycon, then we need to update
+ * the console name so that it also says "qdf2400_e44". Parameter
+ * "earlycon" is true.
+ *
+ * For consistency, if we change the console name, then we do it
+ * for everyone, not just earlycon.
+ */
+ if (qdf2400_erratum_44_present(&table->header)) {
+ qdf2400_e44_present = true;
+ if (earlycon)
+ uart = "qdf2400_e44";
+ }
+
if (xgene_8250_erratum_present(table))
iotype = "mmio32";
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index aae4d8d..831cdd7 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2200,8 +2200,12 @@
list_add_tail(&t->work.entry, target_list);
tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
list_add_tail(&tcomplete->entry, &thread->todo);
- if (target_wait)
- wake_up_interruptible(target_wait);
+ if (target_wait) {
+ if (reply || !(t->flags & TF_ONE_WAY))
+ wake_up_interruptible_sync(target_wait);
+ else
+ wake_up_interruptible(target_wait);
+ }
return;
err_translate_failed:
@@ -3247,10 +3251,6 @@
/*pr_info("binder_ioctl: %d:%d %x %lx\n",
proc->pid, current->pid, cmd, arg);*/
- if (unlikely(current->mm != proc->vma_vm_mm)) {
- pr_err("current mm mismatch proc mm\n");
- return -EINVAL;
- }
trace_binder_ioctl(cmd, arg);
ret = wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
@@ -3362,7 +3362,7 @@
const char *failure_string;
struct binder_buffer *buffer;
- if (proc->tsk != current)
+ if (proc->tsk != current->group_leader)
return -EINVAL;
if ((vma->vm_end - vma->vm_start) > SZ_4M)
@@ -3464,9 +3464,8 @@
proc = kzalloc(sizeof(*proc), GFP_KERNEL);
if (proc == NULL)
return -ENOMEM;
- get_task_struct(current);
- proc->tsk = current;
- proc->vma_vm_mm = current->mm;
+ get_task_struct(current->group_leader);
+ proc->tsk = current->group_leader;
INIT_LIST_HEAD(&proc->todo);
init_waitqueue_head(&proc->wait);
proc->default_priority = task_nice(current);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 948fc86..363fc53 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -215,7 +215,7 @@
config SATA_GEMINI
tristate "Gemini SATA bridge support"
- depends on PATA_FTIDE010
+ depends on ARCH_GEMINI || COMPILE_TEST
default ARCH_GEMINI
help
This enabled support for the FTIDE010 to SATA bridge
@@ -613,7 +613,7 @@
tristate "Faraday Technology FTIDE010 PATA support"
depends on OF
depends on ARM
- default ARCH_GEMINI
+ depends on SATA_GEMINI
help
This option enables support for the Faraday FTIDE010
PATA controller found in the Cortina Gemini SoCs.
diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c
index 1a50cd3..9b34dff 100644
--- a/drivers/ata/ahci_da850.c
+++ b/drivers/ata/ahci_da850.c
@@ -216,12 +216,16 @@
return rc;
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res)
+ if (!res) {
+ rc = -ENODEV;
goto disable_resources;
+ }
pwrdn_reg = devm_ioremap(dev, res->start, resource_size(res));
- if (!pwrdn_reg)
+ if (!pwrdn_reg) {
+ rc = -ENOMEM;
goto disable_resources;
+ }
da850_sata_init(dev, pwrdn_reg, hpriv->mmio, mpy);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8453f9a..1945a8e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2083,7 +2083,7 @@
retry:
ata_tf_init(dev, &tf);
if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) &&
- !(dev->horkage & ATA_HORKAGE_NO_NCQ_LOG)) {
+ !(dev->horkage & ATA_HORKAGE_NO_DMA_LOG)) {
tf.command = ATA_CMD_READ_LOG_DMA_EXT;
tf.protocol = ATA_PROT_DMA;
dma = true;
@@ -2102,8 +2102,8 @@
buf, sectors * ATA_SECT_SIZE, 0);
if (err_mask && dma) {
- dev->horkage |= ATA_HORKAGE_NO_NCQ_LOG;
- ata_dev_warn(dev, "READ LOG DMA EXT failed, trying unqueued\n");
+ dev->horkage |= ATA_HORKAGE_NO_DMA_LOG;
+ ata_dev_warn(dev, "READ LOG DMA EXT failed, trying PIO\n");
goto retry;
}
@@ -2411,6 +2411,9 @@
u64 trusted_cap;
unsigned int err;
+ if (!ata_id_has_trusted(dev->id))
+ return;
+
if (!ata_identify_page_supported(dev, ATA_LOG_SECURITY)) {
ata_dev_warn(dev,
"Security Log not supported\n");
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index b70bcf6..3dbd055 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1434,7 +1434,7 @@
/**
* ata_eh_done - EH action complete
-* @ap: target ATA port
+ * @link: ATA link for which EH actions are complete
* @dev: target ATA dev for per-dev action (can be NULL)
* @action: action just completed
*
@@ -1576,7 +1576,7 @@
/**
* ata_eh_request_sense - perform REQUEST_SENSE_DATA_EXT
- * @dev: device to perform REQUEST_SENSE_SENSE_DATA_EXT to
+ * @qc: qc to perform REQUEST_SENSE_SENSE_DATA_EXT to
* @cmd: scsi command for which the sense code should be set
*
* Perform REQUEST_SENSE_DATA_EXT after the device reported CHECK
@@ -4175,7 +4175,6 @@
struct ata_link *link;
struct ata_device *dev;
unsigned long flags;
- int rc = 0;
/* are we resuming? */
spin_lock_irqsave(ap->lock, flags);
@@ -4202,7 +4201,7 @@
ata_acpi_set_state(ap, ap->pm_mesg);
if (ap->ops->port_resume)
- rc = ap->ops->port_resume(ap);
+ ap->ops->port_resume(ap);
/* tell ACPI that we're resuming */
ata_acpi_on_resume(ap);
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index d462c5a..44ba292 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3030,10 +3030,12 @@
static struct ata_device *ata_find_dev(struct ata_port *ap, int devno)
{
if (!sata_pmp_attached(ap)) {
- if (likely(devno < ata_link_max_devices(&ap->link)))
+ if (likely(devno >= 0 &&
+ devno < ata_link_max_devices(&ap->link)))
return &ap->link.device[devno];
} else {
- if (likely(devno < ap->nr_pmp_links))
+ if (likely(devno >= 0 &&
+ devno < ap->nr_pmp_links))
return &ap->pmp_link[devno].device[0];
}
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index ee98447..537d118 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -858,6 +858,14 @@
.compatible = "renesas,sata-r8a7795",
.data = (void *)RCAR_GEN2_SATA
},
+ {
+ .compatible = "renesas,rcar-gen2-sata",
+ .data = (void *)RCAR_GEN2_SATA
+ },
+ {
+ .compatible = "renesas,rcar-gen3-sata",
+ .data = (void *)RCAR_GEN2_SATA
+ },
{ },
};
MODULE_DEVICE_TABLE(of, sata_rcar_match);
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 292dec1..07bdd51 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -1613,7 +1613,7 @@
ret = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32));
if (ret < 0)
- goto out_disable;
+ goto out_release;
zatm_dev->pci_dev = pci_dev;
dev->dev_data = zatm_dev;
diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c
index 2ae24c2..1c152ae 100644
--- a/drivers/base/dma-coherent.c
+++ b/drivers/base/dma-coherent.c
@@ -25,7 +25,7 @@
{
if (dev && dev->dma_mem)
return dev->dma_mem;
- return dma_coherent_default_memory;
+ return NULL;
}
static inline dma_addr_t dma_get_device_base(struct device *dev,
@@ -165,9 +165,45 @@
}
EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
+static void *__dma_alloc_from_coherent(struct dma_coherent_mem *mem,
+ ssize_t size, dma_addr_t *dma_handle)
+{
+ int order = get_order(size);
+ unsigned long flags;
+ int pageno;
+ int dma_memory_map;
+ void *ret;
+
+ spin_lock_irqsave(&mem->spinlock, flags);
+
+ if (unlikely(size > (mem->size << PAGE_SHIFT)))
+ goto err;
+
+ pageno = bitmap_find_free_region(mem->bitmap, mem->size, order);
+ if (unlikely(pageno < 0))
+ goto err;
+
+ /*
+ * Memory was found in the coherent area.
+ */
+ *dma_handle = mem->device_base + (pageno << PAGE_SHIFT);
+ ret = mem->virt_base + (pageno << PAGE_SHIFT);
+ dma_memory_map = (mem->flags & DMA_MEMORY_MAP);
+ spin_unlock_irqrestore(&mem->spinlock, flags);
+ if (dma_memory_map)
+ memset(ret, 0, size);
+ else
+ memset_io(ret, 0, size);
+
+ return ret;
+
+err:
+ spin_unlock_irqrestore(&mem->spinlock, flags);
+ return NULL;
+}
+
/**
- * dma_alloc_from_coherent() - try to allocate memory from the per-device coherent area
- *
+ * dma_alloc_from_dev_coherent() - allocate memory from device coherent pool
* @dev: device from which we allocate memory
* @size: size of requested memory area
* @dma_handle: This will be filled with the correct dma handle
@@ -180,44 +216,18 @@
* Returns 0 if dma_alloc_coherent should continue with allocating from
* generic memory areas, or !0 if dma_alloc_coherent should return @ret.
*/
-int dma_alloc_from_coherent(struct device *dev, ssize_t size,
- dma_addr_t *dma_handle, void **ret)
+int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size,
+ dma_addr_t *dma_handle, void **ret)
{
struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
- int order = get_order(size);
- unsigned long flags;
- int pageno;
- int dma_memory_map;
if (!mem)
return 0;
- *ret = NULL;
- spin_lock_irqsave(&mem->spinlock, flags);
+ *ret = __dma_alloc_from_coherent(mem, size, dma_handle);
+ if (*ret)
+ return 1;
- if (unlikely(size > (mem->size << PAGE_SHIFT)))
- goto err;
-
- pageno = bitmap_find_free_region(mem->bitmap, mem->size, order);
- if (unlikely(pageno < 0))
- goto err;
-
- /*
- * Memory was found in the per-device area.
- */
- *dma_handle = dma_get_device_base(dev, mem) + (pageno << PAGE_SHIFT);
- *ret = mem->virt_base + (pageno << PAGE_SHIFT);
- dma_memory_map = (mem->flags & DMA_MEMORY_MAP);
- spin_unlock_irqrestore(&mem->spinlock, flags);
- if (dma_memory_map)
- memset(*ret, 0, size);
- else
- memset_io(*ret, 0, size);
-
- return 1;
-
-err:
- spin_unlock_irqrestore(&mem->spinlock, flags);
/*
* In the case where the allocation can not be satisfied from the
* per-device area, try to fall back to generic memory if the
@@ -225,25 +235,20 @@
*/
return mem->flags & DMA_MEMORY_EXCLUSIVE;
}
-EXPORT_SYMBOL(dma_alloc_from_coherent);
+EXPORT_SYMBOL(dma_alloc_from_dev_coherent);
-/**
- * dma_release_from_coherent() - try to free the memory allocated from per-device coherent memory pool
- * @dev: device from which the memory was allocated
- * @order: the order of pages allocated
- * @vaddr: virtual address of allocated pages
- *
- * This checks whether the memory was allocated from the per-device
- * coherent memory pool and if so, releases that memory.
- *
- * Returns 1 if we correctly released the memory, or 0 if
- * dma_release_coherent() should proceed with releasing memory from
- * generic pools.
- */
-int dma_release_from_coherent(struct device *dev, int order, void *vaddr)
+void *dma_alloc_from_global_coherent(ssize_t size, dma_addr_t *dma_handle)
{
- struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
+ if (!dma_coherent_default_memory)
+ return NULL;
+ return __dma_alloc_from_coherent(dma_coherent_default_memory, size,
+ dma_handle);
+}
+
+static int __dma_release_from_coherent(struct dma_coherent_mem *mem,
+ int order, void *vaddr)
+{
if (mem && vaddr >= mem->virt_base && vaddr <
(mem->virt_base + (mem->size << PAGE_SHIFT))) {
int page = (vaddr - mem->virt_base) >> PAGE_SHIFT;
@@ -256,28 +261,39 @@
}
return 0;
}
-EXPORT_SYMBOL(dma_release_from_coherent);
/**
- * dma_mmap_from_coherent() - try to mmap the memory allocated from
- * per-device coherent memory pool to userspace
+ * dma_release_from_dev_coherent() - free memory to device coherent memory pool
* @dev: device from which the memory was allocated
- * @vma: vm_area for the userspace memory
- * @vaddr: cpu address returned by dma_alloc_from_coherent
- * @size: size of the memory buffer allocated by dma_alloc_from_coherent
- * @ret: result from remap_pfn_range()
+ * @order: the order of pages allocated
+ * @vaddr: virtual address of allocated pages
*
* This checks whether the memory was allocated from the per-device
- * coherent memory pool and if so, maps that memory to the provided vma.
+ * coherent memory pool and if so, releases that memory.
*
- * Returns 1 if we correctly mapped the memory, or 0 if the caller should
- * proceed with mapping memory from generic pools.
+ * Returns 1 if we correctly released the memory, or 0 if the caller should
+ * proceed with releasing memory from generic pools.
*/
-int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
- void *vaddr, size_t size, int *ret)
+int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr)
{
struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
+ return __dma_release_from_coherent(mem, order, vaddr);
+}
+EXPORT_SYMBOL(dma_release_from_dev_coherent);
+
+int dma_release_from_global_coherent(int order, void *vaddr)
+{
+ if (!dma_coherent_default_memory)
+ return 0;
+
+ return __dma_release_from_coherent(dma_coherent_default_memory, order,
+ vaddr);
+}
+
+static int __dma_mmap_from_coherent(struct dma_coherent_mem *mem,
+ struct vm_area_struct *vma, void *vaddr, size_t size, int *ret)
+{
if (mem && vaddr >= mem->virt_base && vaddr + size <=
(mem->virt_base + (mem->size << PAGE_SHIFT))) {
unsigned long off = vma->vm_pgoff;
@@ -296,7 +312,39 @@
}
return 0;
}
-EXPORT_SYMBOL(dma_mmap_from_coherent);
+
+/**
+ * dma_mmap_from_dev_coherent() - mmap memory from the device coherent pool
+ * @dev: device from which the memory was allocated
+ * @vma: vm_area for the userspace memory
+ * @vaddr: cpu address returned by dma_alloc_from_dev_coherent
+ * @size: size of the memory buffer allocated
+ * @ret: result from remap_pfn_range()
+ *
+ * This checks whether the memory was allocated from the per-device
+ * coherent memory pool and if so, maps that memory to the provided vma.
+ *
+ * Returns 1 if we correctly mapped the memory, or 0 if the caller should
+ * proceed with mapping memory from generic pools.
+ */
+int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma,
+ void *vaddr, size_t size, int *ret)
+{
+ struct dma_coherent_mem *mem = dev_get_coherent_memory(dev);
+
+ return __dma_mmap_from_coherent(mem, vma, vaddr, size, ret);
+}
+EXPORT_SYMBOL(dma_mmap_from_dev_coherent);
+
+int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *vaddr,
+ size_t size, int *ret)
+{
+ if (!dma_coherent_default_memory)
+ return 0;
+
+ return __dma_mmap_from_coherent(dma_coherent_default_memory, vma,
+ vaddr, size, ret);
+}
/*
* Support for reserved memory regions defined in device tree
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index 5096755..b555ff9 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -235,7 +235,7 @@
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (off < count && user_count <= (count - off)) {
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index b9f907e..bfbe1e1 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -30,7 +30,6 @@
#include <linux/syscore_ops.h>
#include <linux/reboot.h>
#include <linux/security.h>
-#include <linux/swait.h>
#include <generated/utsrelease.h>
@@ -112,13 +111,13 @@
* state of the firmware loading.
*/
struct fw_state {
- struct swait_queue_head wq;
+ struct completion completion;
enum fw_status status;
};
static void fw_state_init(struct fw_state *fw_st)
{
- init_swait_queue_head(&fw_st->wq);
+ init_completion(&fw_st->completion);
fw_st->status = FW_STATUS_UNKNOWN;
}
@@ -131,9 +130,7 @@
{
long ret;
- ret = swait_event_interruptible_timeout(fw_st->wq,
- __fw_state_is_done(READ_ONCE(fw_st->status)),
- timeout);
+ ret = wait_for_completion_killable_timeout(&fw_st->completion, timeout);
if (ret != 0 && fw_st->status == FW_STATUS_ABORTED)
return -ENOENT;
if (!ret)
@@ -148,35 +145,34 @@
WRITE_ONCE(fw_st->status, status);
if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED)
- swake_up(&fw_st->wq);
+ complete_all(&fw_st->completion);
}
#define fw_state_start(fw_st) \
__fw_state_set(fw_st, FW_STATUS_LOADING)
#define fw_state_done(fw_st) \
__fw_state_set(fw_st, FW_STATUS_DONE)
+#define fw_state_aborted(fw_st) \
+ __fw_state_set(fw_st, FW_STATUS_ABORTED)
#define fw_state_wait(fw_st) \
__fw_state_wait_common(fw_st, MAX_SCHEDULE_TIMEOUT)
-#ifndef CONFIG_FW_LOADER_USER_HELPER
-
-#define fw_state_is_aborted(fw_st) false
-
-#else /* CONFIG_FW_LOADER_USER_HELPER */
-
static int __fw_state_check(struct fw_state *fw_st, enum fw_status status)
{
return fw_st->status == status;
}
+#define fw_state_is_aborted(fw_st) \
+ __fw_state_check(fw_st, FW_STATUS_ABORTED)
+
+#ifdef CONFIG_FW_LOADER_USER_HELPER
+
#define fw_state_aborted(fw_st) \
__fw_state_set(fw_st, FW_STATUS_ABORTED)
#define fw_state_is_done(fw_st) \
__fw_state_check(fw_st, FW_STATUS_DONE)
#define fw_state_is_loading(fw_st) \
__fw_state_check(fw_st, FW_STATUS_LOADING)
-#define fw_state_is_aborted(fw_st) \
- __fw_state_check(fw_st, FW_STATUS_ABORTED)
#define fw_state_wait_timeout(fw_st, timeout) \
__fw_state_wait_common(fw_st, timeout)
@@ -1200,6 +1196,28 @@
return 1; /* need to load */
}
+/*
+ * Batched requests need only one wake, we need to do this step last due to the
+ * fallback mechanism. The buf is protected with kref_get(), and it won't be
+ * released until the last user calls release_firmware().
+ *
+ * Failed batched requests are possible as well, in such cases we just share
+ * the struct firmware_buf and won't release it until all requests are woken
+ * and have gone through this same path.
+ */
+static void fw_abort_batch_reqs(struct firmware *fw)
+{
+ struct firmware_buf *buf;
+
+ /* Loaded directly? */
+ if (!fw || !fw->priv)
+ return;
+
+ buf = fw->priv;
+ if (!fw_state_is_aborted(&buf->fw_st))
+ fw_state_aborted(&buf->fw_st);
+}
+
/* called from request_firmware() and request_firmware_work_func() */
static int
_request_firmware(const struct firmware **firmware_p, const char *name,
@@ -1243,6 +1261,7 @@
out:
if (ret < 0) {
+ fw_abort_batch_reqs(fw);
release_firmware(fw);
fw = NULL;
}
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 3b8210e..e8ca5e2 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -209,6 +209,34 @@
smp_mb__after_atomic();
}
+#ifdef CONFIG_DEBUG_FS
+static void genpd_update_accounting(struct generic_pm_domain *genpd)
+{
+ ktime_t delta, now;
+
+ now = ktime_get();
+ delta = ktime_sub(now, genpd->accounting_time);
+
+ /*
+ * If genpd->status is active, it means we are just
+ * out of off and so update the idle time and vice
+ * versa.
+ */
+ if (genpd->status == GPD_STATE_ACTIVE) {
+ int state_idx = genpd->state_idx;
+
+ genpd->states[state_idx].idle_time =
+ ktime_add(genpd->states[state_idx].idle_time, delta);
+ } else {
+ genpd->on_time = ktime_add(genpd->on_time, delta);
+ }
+
+ genpd->accounting_time = now;
+}
+#else
+static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
+#endif
+
static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed)
{
unsigned int state_idx = genpd->state_idx;
@@ -361,6 +389,7 @@
}
genpd->status = GPD_STATE_POWER_OFF;
+ genpd_update_accounting(genpd);
list_for_each_entry(link, &genpd->slave_links, slave_node) {
genpd_sd_counter_dec(link->master);
@@ -413,6 +442,8 @@
goto err;
genpd->status = GPD_STATE_ACTIVE;
+ genpd_update_accounting(genpd);
+
return 0;
err:
@@ -1222,8 +1253,6 @@
spin_unlock_irq(&dev->power.lock);
- dev_pm_domain_set(dev, &genpd->domain);
-
return gpd_data;
err_free:
@@ -1237,8 +1266,6 @@
static void genpd_free_dev_data(struct device *dev,
struct generic_pm_domain_data *gpd_data)
{
- dev_pm_domain_set(dev, NULL);
-
spin_lock_irq(&dev->power.lock);
dev->power.subsys_data->domain_data = NULL;
@@ -1275,6 +1302,8 @@
if (ret)
goto out;
+ dev_pm_domain_set(dev, &genpd->domain);
+
genpd->device_count++;
genpd->max_off_time_changed = true;
@@ -1336,6 +1365,8 @@
if (genpd->detach_dev)
genpd->detach_dev(genpd, dev);
+ dev_pm_domain_set(dev, NULL);
+
list_del_init(&pdd->list_node);
genpd_unlock(genpd);
@@ -1540,6 +1571,7 @@
genpd->max_off_time_changed = true;
genpd->provider = NULL;
genpd->has_provider = false;
+ genpd->accounting_time = ktime_get();
genpd->domain.ops.runtime_suspend = genpd_runtime_suspend;
genpd->domain.ops.runtime_resume = genpd_runtime_resume;
genpd->domain.ops.prepare = pm_genpd_prepare;
@@ -1743,7 +1775,7 @@
mutex_lock(&of_genpd_mutex);
list_add(&cp->link, &of_genpd_providers);
mutex_unlock(&of_genpd_mutex);
- pr_debug("Added domain provider from %s\n", np->full_name);
+ pr_debug("Added domain provider from %pOF\n", np);
return 0;
}
@@ -2149,16 +2181,16 @@
err = of_property_read_u32(state_node, "entry-latency-us",
&entry_latency);
if (err) {
- pr_debug(" * %s missing entry-latency-us property\n",
- state_node->full_name);
+ pr_debug(" * %pOF missing entry-latency-us property\n",
+ state_node);
return -EINVAL;
}
err = of_property_read_u32(state_node, "exit-latency-us",
&exit_latency);
if (err) {
- pr_debug(" * %s missing exit-latency-us property\n",
- state_node->full_name);
+ pr_debug(" * %pOF missing exit-latency-us property\n",
+ state_node);
return -EINVAL;
}
@@ -2212,8 +2244,8 @@
ret = genpd_parse_state(&st[i++], np);
if (ret) {
pr_err
- ("Parsing idle state node %s failed with err %d\n",
- np->full_name, ret);
+ ("Parsing idle state node %pOF failed with err %d\n",
+ np, ret);
of_node_put(np);
kfree(st);
return ret;
@@ -2327,7 +2359,7 @@
return 0;
}
-static int pm_genpd_summary_show(struct seq_file *s, void *data)
+static int genpd_summary_show(struct seq_file *s, void *data)
{
struct generic_pm_domain *genpd;
int ret = 0;
@@ -2350,21 +2382,187 @@
return ret;
}
-static int pm_genpd_summary_open(struct inode *inode, struct file *file)
+static int genpd_status_show(struct seq_file *s, void *data)
{
- return single_open(file, pm_genpd_summary_show, NULL);
+ static const char * const status_lookup[] = {
+ [GPD_STATE_ACTIVE] = "on",
+ [GPD_STATE_POWER_OFF] = "off"
+ };
+
+ struct generic_pm_domain *genpd = s->private;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ if (WARN_ON_ONCE(genpd->status >= ARRAY_SIZE(status_lookup)))
+ goto exit;
+
+ if (genpd->status == GPD_STATE_POWER_OFF)
+ seq_printf(s, "%s-%u\n", status_lookup[genpd->status],
+ genpd->state_idx);
+ else
+ seq_printf(s, "%s\n", status_lookup[genpd->status]);
+exit:
+ genpd_unlock(genpd);
+ return ret;
}
-static const struct file_operations pm_genpd_summary_fops = {
- .open = pm_genpd_summary_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+static int genpd_sub_domains_show(struct seq_file *s, void *data)
+{
+ struct generic_pm_domain *genpd = s->private;
+ struct gpd_link *link;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ list_for_each_entry(link, &genpd->master_links, master_node)
+ seq_printf(s, "%s\n", link->slave->name);
+
+ genpd_unlock(genpd);
+ return ret;
+}
+
+static int genpd_idle_states_show(struct seq_file *s, void *data)
+{
+ struct generic_pm_domain *genpd = s->private;
+ unsigned int i;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ seq_puts(s, "State Time Spent(ms)\n");
+
+ for (i = 0; i < genpd->state_count; i++) {
+ ktime_t delta = 0;
+ s64 msecs;
+
+ if ((genpd->status == GPD_STATE_POWER_OFF) &&
+ (genpd->state_idx == i))
+ delta = ktime_sub(ktime_get(), genpd->accounting_time);
+
+ msecs = ktime_to_ms(
+ ktime_add(genpd->states[i].idle_time, delta));
+ seq_printf(s, "S%-13i %lld\n", i, msecs);
+ }
+
+ genpd_unlock(genpd);
+ return ret;
+}
+
+static int genpd_active_time_show(struct seq_file *s, void *data)
+{
+ struct generic_pm_domain *genpd = s->private;
+ ktime_t delta = 0;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ if (genpd->status == GPD_STATE_ACTIVE)
+ delta = ktime_sub(ktime_get(), genpd->accounting_time);
+
+ seq_printf(s, "%lld ms\n", ktime_to_ms(
+ ktime_add(genpd->on_time, delta)));
+
+ genpd_unlock(genpd);
+ return ret;
+}
+
+static int genpd_total_idle_time_show(struct seq_file *s, void *data)
+{
+ struct generic_pm_domain *genpd = s->private;
+ ktime_t delta = 0, total = 0;
+ unsigned int i;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ for (i = 0; i < genpd->state_count; i++) {
+
+ if ((genpd->status == GPD_STATE_POWER_OFF) &&
+ (genpd->state_idx == i))
+ delta = ktime_sub(ktime_get(), genpd->accounting_time);
+
+ total = ktime_add(total, genpd->states[i].idle_time);
+ }
+ total = ktime_add(total, delta);
+
+ seq_printf(s, "%lld ms\n", ktime_to_ms(total));
+
+ genpd_unlock(genpd);
+ return ret;
+}
+
+
+static int genpd_devices_show(struct seq_file *s, void *data)
+{
+ struct generic_pm_domain *genpd = s->private;
+ struct pm_domain_data *pm_data;
+ const char *kobj_path;
+ int ret = 0;
+
+ ret = genpd_lock_interruptible(genpd);
+ if (ret)
+ return -ERESTARTSYS;
+
+ list_for_each_entry(pm_data, &genpd->dev_list, list_node) {
+ kobj_path = kobject_get_path(&pm_data->dev->kobj,
+ genpd_is_irq_safe(genpd) ?
+ GFP_ATOMIC : GFP_KERNEL);
+ if (kobj_path == NULL)
+ continue;
+
+ seq_printf(s, "%s\n", kobj_path);
+ kfree(kobj_path);
+ }
+
+ genpd_unlock(genpd);
+ return ret;
+}
+
+#define define_genpd_open_function(name) \
+static int genpd_##name##_open(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, genpd_##name##_show, inode->i_private); \
+}
+
+define_genpd_open_function(summary);
+define_genpd_open_function(status);
+define_genpd_open_function(sub_domains);
+define_genpd_open_function(idle_states);
+define_genpd_open_function(active_time);
+define_genpd_open_function(total_idle_time);
+define_genpd_open_function(devices);
+
+#define define_genpd_debugfs_fops(name) \
+static const struct file_operations genpd_##name##_fops = { \
+ .open = genpd_##name##_open, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+}
+
+define_genpd_debugfs_fops(summary);
+define_genpd_debugfs_fops(status);
+define_genpd_debugfs_fops(sub_domains);
+define_genpd_debugfs_fops(idle_states);
+define_genpd_debugfs_fops(active_time);
+define_genpd_debugfs_fops(total_idle_time);
+define_genpd_debugfs_fops(devices);
static int __init pm_genpd_debug_init(void)
{
struct dentry *d;
+ struct generic_pm_domain *genpd;
pm_genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL);
@@ -2372,10 +2570,29 @@
return -ENOMEM;
d = debugfs_create_file("pm_genpd_summary", S_IRUGO,
- pm_genpd_debugfs_dir, NULL, &pm_genpd_summary_fops);
+ pm_genpd_debugfs_dir, NULL, &genpd_summary_fops);
if (!d)
return -ENOMEM;
+ list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
+ d = debugfs_create_dir(genpd->name, pm_genpd_debugfs_dir);
+ if (!d)
+ return -ENOMEM;
+
+ debugfs_create_file("current_state", 0444,
+ d, genpd, &genpd_status_fops);
+ debugfs_create_file("sub_domains", 0444,
+ d, genpd, &genpd_sub_domains_fops);
+ debugfs_create_file("idle_states", 0444,
+ d, genpd, &genpd_idle_states_fops);
+ debugfs_create_file("active_time", 0444,
+ d, genpd, &genpd_active_time_fops);
+ debugfs_create_file("total_idle_time", 0444,
+ d, genpd, &genpd_total_idle_time_fops);
+ debugfs_create_file("devices", 0444,
+ d, genpd, &genpd_devices_fops);
+ }
+
return 0;
}
late_initcall(pm_genpd_debug_init);
diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c
index 57eec1c..0b71888 100644
--- a/drivers/base/power/opp/of.c
+++ b/drivers/base/power/opp/of.c
@@ -248,15 +248,22 @@
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_remove_table);
-/* Returns opp descriptor node for a device, caller must do of_node_put() */
-struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
+/* Returns opp descriptor node for a device node, caller must
+ * do of_node_put() */
+static struct device_node *_opp_of_get_opp_desc_node(struct device_node *np)
{
/*
* There should be only ONE phandle present in "operating-points-v2"
* property.
*/
- return of_parse_phandle(dev->of_node, "operating-points-v2", 0);
+ return of_parse_phandle(np, "operating-points-v2", 0);
+}
+
+/* Returns opp descriptor node for a device, caller must do of_node_put() */
+struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
+{
+ return _opp_of_get_opp_desc_node(dev->of_node);
}
EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_opp_desc_node);
@@ -539,8 +546,12 @@
ret = dev_pm_opp_of_add_table(cpu_dev);
if (ret) {
- pr_err("%s: couldn't find opp table for cpu:%d, %d\n",
- __func__, cpu, ret);
+ /*
+ * OPP may get registered dynamically, don't print error
+ * message here.
+ */
+ pr_debug("%s: couldn't find opp table for cpu:%d, %d\n",
+ __func__, cpu, ret);
/* Free all other OPPs */
dev_pm_opp_of_cpumask_remove_table(cpumask);
@@ -572,8 +583,7 @@
int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
struct cpumask *cpumask)
{
- struct device_node *np, *tmp_np;
- struct device *tcpu_dev;
+ struct device_node *np, *tmp_np, *cpu_np;
int cpu, ret = 0;
/* Get OPP descriptor node */
@@ -593,19 +603,18 @@
if (cpu == cpu_dev->id)
continue;
- tcpu_dev = get_cpu_device(cpu);
- if (!tcpu_dev) {
- dev_err(cpu_dev, "%s: failed to get cpu%d device\n",
+ cpu_np = of_get_cpu_node(cpu, NULL);
+ if (!cpu_np) {
+ dev_err(cpu_dev, "%s: failed to get cpu%d node\n",
__func__, cpu);
- ret = -ENODEV;
+ ret = -ENOENT;
goto put_cpu_node;
}
/* Get OPP descriptor node */
- tmp_np = dev_pm_opp_of_get_opp_desc_node(tcpu_dev);
+ tmp_np = _opp_of_get_opp_desc_node(cpu_np);
if (!tmp_np) {
- dev_err(tcpu_dev, "%s: Couldn't find opp node.\n",
- __func__);
+ pr_err("%pOF: Couldn't find opp node\n", cpu_np);
ret = -ENOENT;
goto put_cpu_node;
}
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 34aebf3..cdd6f25 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -412,15 +412,17 @@
if (!!dev->power.can_wakeup == !!capable)
return;
+ dev->power.can_wakeup = capable;
if (device_is_registered(dev) && !list_empty(&dev->power.entry)) {
if (capable) {
- if (wakeup_sysfs_add(dev))
- return;
+ int ret = wakeup_sysfs_add(dev);
+
+ if (ret)
+ dev_info(dev, "Wakeup sysfs attributes not added\n");
} else {
wakeup_sysfs_remove(dev);
}
}
- dev->power.can_wakeup = capable;
}
EXPORT_SYMBOL_GPL(device_set_wakeup_capable);
diff --git a/drivers/base/regmap/regmap-w1.c b/drivers/base/regmap/regmap-w1.c
index 5f04e7b..e6c64b0 100644
--- a/drivers/base/regmap/regmap-w1.c
+++ b/drivers/base/regmap/regmap-w1.c
@@ -1,7 +1,7 @@
/*
* Register map access API - W1 (1-Wire) support
*
- * Copyright (C) 2017 OAO Radioavionica
+ * Copyright (c) 2017 Radioavionica Corporation
* Author: Alex A. Mihaylov <minimumlaw@rambler.ru>
*
* This program is free software; you can redistribute it and/or modify
@@ -11,7 +11,7 @@
#include <linux/regmap.h>
#include <linux/module.h>
-#include "../../w1/w1.h"
+#include <linux/w1.h>
#include "internal.h"
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index ef83349..f321b96 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -221,8 +221,7 @@
}
static int
-figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit,
- loff_t logical_blocksize)
+figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
{
loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
sector_t x = (sector_t)size;
@@ -234,12 +233,6 @@
lo->lo_offset = offset;
if (lo->lo_sizelimit != sizelimit)
lo->lo_sizelimit = sizelimit;
- if (lo->lo_flags & LO_FLAGS_BLOCKSIZE) {
- lo->lo_logical_blocksize = logical_blocksize;
- blk_queue_physical_block_size(lo->lo_queue, lo->lo_blocksize);
- blk_queue_logical_block_size(lo->lo_queue,
- lo->lo_logical_blocksize);
- }
set_capacity(lo->lo_disk, x);
bd_set_size(bdev, (loff_t)get_capacity(bdev->bd_disk) << 9);
/* let user-space know about the new size */
@@ -820,7 +813,6 @@
struct file *file = lo->lo_backing_file;
struct inode *inode = file->f_mapping->host;
struct request_queue *q = lo->lo_queue;
- int lo_bits = 9;
/*
* We use punch hole to reclaim the free space used by the
@@ -840,11 +832,9 @@
q->limits.discard_granularity = inode->i_sb->s_blocksize;
q->limits.discard_alignment = 0;
- if (lo->lo_flags & LO_FLAGS_BLOCKSIZE)
- lo_bits = blksize_bits(lo->lo_logical_blocksize);
- blk_queue_max_discard_sectors(q, UINT_MAX >> lo_bits);
- blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> lo_bits);
+ blk_queue_max_discard_sectors(q, UINT_MAX >> 9);
+ blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9);
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
}
@@ -938,7 +928,6 @@
lo->use_dio = false;
lo->lo_blocksize = lo_blocksize;
- lo->lo_logical_blocksize = 512;
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
@@ -1104,7 +1093,6 @@
int err;
struct loop_func_table *xfer;
kuid_t uid = current_uid();
- int lo_flags = lo->lo_flags;
if (lo->lo_encrypt_key_size &&
!uid_eq(lo->lo_key_owner, uid) &&
@@ -1137,26 +1125,9 @@
if (err)
goto exit;
- if (info->lo_flags & LO_FLAGS_BLOCKSIZE) {
- if (!(lo->lo_flags & LO_FLAGS_BLOCKSIZE))
- lo->lo_logical_blocksize = 512;
- lo->lo_flags |= LO_FLAGS_BLOCKSIZE;
- if (LO_INFO_BLOCKSIZE(info) != 512 &&
- LO_INFO_BLOCKSIZE(info) != 1024 &&
- LO_INFO_BLOCKSIZE(info) != 2048 &&
- LO_INFO_BLOCKSIZE(info) != 4096)
- return -EINVAL;
- if (LO_INFO_BLOCKSIZE(info) > lo->lo_blocksize)
- return -EINVAL;
- }
-
if (lo->lo_offset != info->lo_offset ||
- lo->lo_sizelimit != info->lo_sizelimit ||
- lo->lo_flags != lo_flags ||
- ((lo->lo_flags & LO_FLAGS_BLOCKSIZE) &&
- lo->lo_logical_blocksize != LO_INFO_BLOCKSIZE(info))) {
- if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit,
- LO_INFO_BLOCKSIZE(info))) {
+ lo->lo_sizelimit != info->lo_sizelimit) {
+ if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) {
err = -EFBIG;
goto exit;
}
@@ -1348,8 +1319,7 @@
if (unlikely(lo->lo_state != Lo_bound))
return -ENXIO;
- return figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit,
- lo->lo_logical_blocksize);
+ return figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
}
static int loop_set_dio(struct loop_device *lo, unsigned long arg)
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
index 2c096b9..fecd3f9 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -49,7 +49,6 @@
struct file * lo_backing_file;
struct block_device *lo_device;
unsigned lo_blocksize;
- unsigned lo_logical_blocksize;
void *key_data;
gfp_t old_gfp_mask;
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index dea7d85..5bdf923 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -626,7 +626,6 @@
struct nbd_device *nbd = args->nbd;
struct nbd_config *config = nbd->config;
struct nbd_cmd *cmd;
- int ret = 0;
while (1) {
cmd = nbd_read_stat(nbd, args->index);
@@ -636,7 +635,6 @@
mutex_lock(&nsock->tx_lock);
nbd_mark_nsock_dead(nbd, nsock, 1);
mutex_unlock(&nsock->tx_lock);
- ret = PTR_ERR(cmd);
break;
}
@@ -910,7 +908,8 @@
continue;
}
sk_set_memalloc(sock->sk);
- sock->sk->sk_sndtimeo = nbd->tag_set.timeout;
+ if (nbd->tag_set.timeout)
+ sock->sk->sk_sndtimeo = nbd->tag_set.timeout;
atomic_inc(&config->recv_threads);
refcount_inc(&nbd->config_refs);
old = nsock->sock;
@@ -924,6 +923,8 @@
mutex_unlock(&nsock->tx_lock);
sockfd_put(old);
+ clear_bit(NBD_DISCONNECTED, &config->runtime_flags);
+
/* We take the tx_mutex in an error path in the recv_work, so we
* need to queue_work outside of the tx_mutex.
*/
@@ -980,11 +981,15 @@
int i, ret;
for (i = 0; i < config->num_connections; i++) {
+ struct nbd_sock *nsock = config->socks[i];
+
iov_iter_kvec(&from, WRITE | ITER_KVEC, &iov, 1, sizeof(request));
+ mutex_lock(&nsock->tx_lock);
ret = sock_xmit(nbd, i, 1, &from, 0, NULL);
if (ret <= 0)
dev_err(disk_to_dev(nbd->disk),
"Send disconnect failed %d\n", ret);
+ mutex_unlock(&nsock->tx_lock);
}
}
@@ -993,9 +998,8 @@
struct nbd_config *config = nbd->config;
dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n");
- if (!test_and_set_bit(NBD_DISCONNECT_REQUESTED,
- &config->runtime_flags))
- send_disconnects(nbd);
+ set_bit(NBD_DISCONNECT_REQUESTED, &config->runtime_flags);
+ send_disconnects(nbd);
return 0;
}
@@ -1076,7 +1080,9 @@
return -ENOMEM;
}
sk_set_memalloc(config->socks[i]->sock->sk);
- config->socks[i]->sock->sk->sk_sndtimeo = nbd->tag_set.timeout;
+ if (nbd->tag_set.timeout)
+ config->socks[i]->sock->sk->sk_sndtimeo =
+ nbd->tag_set.timeout;
atomic_inc(&config->recv_threads);
refcount_inc(&nbd->config_refs);
INIT_WORK(&args->work, recv_work);
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 6b16ead..ad97494 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -875,6 +875,56 @@
printk(KERN_INFO "%s", version);
}
+struct vdc_check_port_data {
+ int dev_no;
+ char *type;
+};
+
+static int vdc_device_probed(struct device *dev, void *arg)
+{
+ struct vio_dev *vdev = to_vio_dev(dev);
+ struct vdc_check_port_data *port_data;
+
+ port_data = (struct vdc_check_port_data *)arg;
+
+ if ((vdev->dev_no == port_data->dev_no) &&
+ (!(strcmp((char *)&vdev->type, port_data->type))) &&
+ dev_get_drvdata(dev)) {
+ /* This device has already been configured
+ * by vdc_port_probe()
+ */
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+/* Determine whether the VIO device is part of an mpgroup
+ * by locating all the virtual-device-port nodes associated
+ * with the parent virtual-device node for the VIO device
+ * and checking whether any of these nodes are vdc-ports
+ * which have already been configured.
+ *
+ * Returns true if this device is part of an mpgroup and has
+ * already been probed.
+ */
+static bool vdc_port_mpgroup_check(struct vio_dev *vdev)
+{
+ struct vdc_check_port_data port_data;
+ struct device *dev;
+
+ port_data.dev_no = vdev->dev_no;
+ port_data.type = (char *)&vdev->type;
+
+ dev = device_find_child(vdev->dev.parent, &port_data,
+ vdc_device_probed);
+
+ if (dev)
+ return true;
+
+ return false;
+}
+
static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)
{
struct mdesc_handle *hp;
@@ -893,6 +943,14 @@
goto err_out_release_mdesc;
}
+ /* Check if this device is part of an mpgroup */
+ if (vdc_port_mpgroup_check(vdev)) {
+ printk(KERN_WARNING
+ "VIO: Ignoring extra vdisk port %s",
+ dev_name(&vdev->dev));
+ goto err_out_release_mdesc;
+ }
+
port = kzalloc(sizeof(*port), GFP_KERNEL);
err = -ENOMEM;
if (!port) {
@@ -943,6 +1001,9 @@
if (err)
goto err_out_free_tx_ring;
+ /* Note that the device driver_data is used to determine
+ * whether the port has been probed.
+ */
dev_set_drvdata(&vdev->dev, port);
mdesc_release(hp);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 4e02aa5..d3d5523 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -381,6 +381,7 @@
struct request_queue *q = vblk->disk->queue;
char cap_str_2[10], cap_str_10[10];
char *envp[] = { "RESIZE=1", NULL };
+ unsigned long long nblocks;
u64 capacity;
/* Host must always specify the capacity. */
@@ -393,16 +394,19 @@
capacity = (sector_t)-1;
}
- string_get_size(capacity, queue_logical_block_size(q),
+ nblocks = DIV_ROUND_UP_ULL(capacity, queue_logical_block_size(q) >> 9);
+
+ string_get_size(nblocks, queue_logical_block_size(q),
STRING_UNITS_2, cap_str_2, sizeof(cap_str_2));
- string_get_size(capacity, queue_logical_block_size(q),
+ string_get_size(nblocks, queue_logical_block_size(q),
STRING_UNITS_10, cap_str_10, sizeof(cap_str_10));
dev_notice(&vdev->dev,
- "new size: %llu %d-byte logical blocks (%s/%s)\n",
- (unsigned long long)capacity,
- queue_logical_block_size(q),
- cap_str_10, cap_str_2);
+ "new size: %llu %d-byte logical blocks (%s/%s)\n",
+ nblocks,
+ queue_logical_block_size(q),
+ cap_str_10,
+ cap_str_2);
set_capacity(vblk->disk, capacity);
revalidate_disk(vblk->disk);
@@ -541,12 +545,9 @@
int i;
BUG_ON(!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_CONFIG_WCE));
- for (i = ARRAY_SIZE(virtblk_cache_types); --i >= 0; )
- if (sysfs_streq(buf, virtblk_cache_types[i]))
- break;
-
+ i = sysfs_match_string(virtblk_cache_types, buf);
if (i < 0)
- return -EINVAL;
+ return i;
virtio_cwrite8(vdev, offsetof(struct virtio_blk_config, wce), i);
virtblk_update_cache_mode(vdev);
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 792da68..2adb859 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -244,6 +244,7 @@
{
struct pending_req *req, *n;
unsigned int j, r;
+ bool busy = false;
for (r = 0; r < blkif->nr_rings; r++) {
struct xen_blkif_ring *ring = &blkif->rings[r];
@@ -261,8 +262,10 @@
* don't have any discard_io or other_io requests. So, checking
* for inflight IO is enough.
*/
- if (atomic_read(&ring->inflight) > 0)
- return -EBUSY;
+ if (atomic_read(&ring->inflight) > 0) {
+ busy = true;
+ continue;
+ }
if (ring->irq) {
unbind_from_irqhandler(ring->irq, ring);
@@ -300,6 +303,9 @@
WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages));
ring->active = false;
}
+ if (busy)
+ return -EBUSY;
+
blkif->nr_ring_pages = 0;
/*
* blkif->rings was allocated in connect_ring, so we should free it in
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index c852ed3..2468c28 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -111,7 +111,7 @@
};
struct blkif_req {
- int error;
+ blk_status_t error;
};
static inline struct blkif_req *blkif_req(struct request *rq)
@@ -708,6 +708,7 @@
* existing persistent grants, or if we have to get new grants,
* as there are not sufficiently many free.
*/
+ bool new_persistent_gnts = false;
struct scatterlist *sg;
int num_sg, max_grefs, num_grant;
@@ -719,19 +720,21 @@
*/
max_grefs += INDIRECT_GREFS(max_grefs);
- /*
- * We have to reserve 'max_grefs' grants because persistent
- * grants are shared by all rings.
- */
- if (max_grefs > 0)
- if (gnttab_alloc_grant_references(max_grefs, &setup.gref_head) < 0) {
+ /* Check if we have enough persistent grants to allocate a requests */
+ if (rinfo->persistent_gnts_c < max_grefs) {
+ new_persistent_gnts = true;
+
+ if (gnttab_alloc_grant_references(
+ max_grefs - rinfo->persistent_gnts_c,
+ &setup.gref_head) < 0) {
gnttab_request_free_callback(
&rinfo->callback,
blkif_restart_queue_callback,
rinfo,
- max_grefs);
+ max_grefs - rinfo->persistent_gnts_c);
return 1;
}
+ }
/* Fill out a communications ring structure. */
id = blkif_ring_get_request(rinfo, req, &ring_req);
@@ -832,7 +835,7 @@
if (unlikely(require_extra_req))
rinfo->shadow[extra_id].req = *extra_ring_req;
- if (max_grefs > 0)
+ if (new_persistent_gnts)
gnttab_free_grant_references(setup.gref_head);
return 0;
@@ -906,8 +909,8 @@
return BLK_STS_IOERR;
out_busy:
- spin_unlock_irqrestore(&rinfo->ring_lock, flags);
blk_mq_stop_hw_queue(hctx);
+ spin_unlock_irqrestore(&rinfo->ring_lock, flags);
return BLK_STS_RESOURCE;
}
@@ -1616,7 +1619,7 @@
if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) {
printk(KERN_WARNING "blkfront: %s: %s op failed\n",
info->gd->disk_name, op_name(bret->operation));
- blkif_req(req)->error = -EOPNOTSUPP;
+ blkif_req(req)->error = BLK_STS_NOTSUPP;
}
if (unlikely(bret->status == BLKIF_RSP_ERROR &&
rinfo->shadow[id].req.u.rw.nr_segments == 0)) {
@@ -2072,9 +2075,9 @@
/*
* Get the bios in the request so we can re-queue them.
*/
- if (req_op(shadow[i].request) == REQ_OP_FLUSH ||
- req_op(shadow[i].request) == REQ_OP_DISCARD ||
- req_op(shadow[i].request) == REQ_OP_SECURE_ERASE ||
+ if (req_op(shadow[j].request) == REQ_OP_FLUSH ||
+ req_op(shadow[j].request) == REQ_OP_DISCARD ||
+ req_op(shadow[j].request) == REQ_OP_SECURE_ERASE ||
shadow[j].request->cmd_flags & REQ_FUA) {
/*
* Flush operations don't contain bios, so
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 856d5dc02..3b1b634 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -308,7 +308,7 @@
struct device_attribute *attr, const char *buf, size_t len)
{
struct zram *zram = dev_to_zram(dev);
- char compressor[CRYPTO_MAX_ALG_NAME];
+ char compressor[ARRAY_SIZE(zram->compressor)];
size_t sz;
strlcpy(compressor, buf, sizeof(compressor));
@@ -327,7 +327,7 @@
return -EBUSY;
}
- strlcpy(zram->compressor, compressor, sizeof(compressor));
+ strcpy(zram->compressor, compressor);
up_write(&zram->init_lock);
return len;
}
diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c
index 1e6e0269..f76be6b 100644
--- a/drivers/bus/uniphier-system-bus.c
+++ b/drivers/bus/uniphier-system-bus.c
@@ -256,10 +256,23 @@
uniphier_system_bus_set_reg(priv);
+ platform_set_drvdata(pdev, priv);
+
/* Now, the bus is configured. Populate platform_devices below it */
return of_platform_default_populate(dev->of_node, NULL, dev);
}
+static int __maybe_unused uniphier_system_bus_resume(struct device *dev)
+{
+ uniphier_system_bus_set_reg(dev_get_drvdata(dev));
+
+ return 0;
+}
+
+static const struct dev_pm_ops uniphier_system_bus_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(NULL, uniphier_system_bus_resume)
+};
+
static const struct of_device_id uniphier_system_bus_match[] = {
{ .compatible = "socionext,uniphier-system-bus" },
{ /* sentinel */ }
@@ -271,6 +284,7 @@
.driver = {
.name = "uniphier-system-bus",
.of_match_table = uniphier_system_bus_match,
+ .pm = &uniphier_system_bus_pm_ops,
},
};
module_platform_driver(uniphier_system_bus_driver);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index afa3ce7..8ad9270 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1492,7 +1492,7 @@
#ifndef CONFIG_WARN_ALL_UNSEEDED_RANDOM
print_once = true;
#endif
- pr_notice("random: %s called from %pF with crng_init=%d\n",
+ pr_notice("random: %s called from %pS with crng_init=%d\n",
func_name, caller, crng_init);
}
diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c
index c391a49..b4cf2f6 100644
--- a/drivers/clk/clk-gemini.c
+++ b/drivers/clk/clk-gemini.c
@@ -237,6 +237,18 @@
BIT(GEMINI_RESET_CPU1) | BIT(id));
}
+static int gemini_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return 0;
+}
+
+static int gemini_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ return 0;
+}
+
static int gemini_reset_status(struct reset_controller_dev *rcdev,
unsigned long id)
{
@@ -253,6 +265,8 @@
static const struct reset_control_ops gemini_reset_ops = {
.reset = gemini_reset,
+ .assert = gemini_reset_assert,
+ .deassert = gemini_reset_deassert,
.status = gemini_reset_status,
};
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c
index 43b0f2f..9cdf9d5 100644
--- a/drivers/clk/keystone/sci-clk.c
+++ b/drivers/clk/keystone/sci-clk.c
@@ -22,6 +22,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/soc/ti/ti_sci_protocol.h>
+#include <linux/bsearch.h>
#define SCI_CLK_SSC_ENABLE BIT(0)
#define SCI_CLK_ALLOW_FREQ_CHANGE BIT(1)
@@ -44,6 +45,7 @@
* @dev: Device pointer for the clock provider
* @clk_data: Clock data
* @clocks: Clocks array for this device
+ * @num_clocks: Total number of clocks for this provider
*/
struct sci_clk_provider {
const struct ti_sci_handle *sci;
@@ -51,6 +53,7 @@
struct device *dev;
const struct sci_clk_data *clk_data;
struct clk_hw **clocks;
+ int num_clocks;
};
/**
@@ -58,7 +61,6 @@
* @hw: Hardware clock cookie for common clock framework
* @dev_id: Device index
* @clk_id: Clock index
- * @node: Clocks list link
* @provider: Master clock provider
* @flags: Flags for the clock
*/
@@ -66,7 +68,6 @@
struct clk_hw hw;
u16 dev_id;
u8 clk_id;
- struct list_head node;
struct sci_clk_provider *provider;
u8 flags;
};
@@ -367,6 +368,19 @@
return &sci_clk->hw;
}
+static int _cmp_sci_clk(const void *a, const void *b)
+{
+ const struct sci_clk *ca = a;
+ const struct sci_clk *cb = *(struct sci_clk **)b;
+
+ if (ca->dev_id == cb->dev_id && ca->clk_id == cb->clk_id)
+ return 0;
+ if (ca->dev_id > cb->dev_id ||
+ (ca->dev_id == cb->dev_id && ca->clk_id > cb->clk_id))
+ return 1;
+ return -1;
+}
+
/**
* sci_clk_get - Xlate function for getting clock handles
* @clkspec: device tree clock specifier
@@ -380,29 +394,22 @@
static struct clk_hw *sci_clk_get(struct of_phandle_args *clkspec, void *data)
{
struct sci_clk_provider *provider = data;
- u16 dev_id;
- u8 clk_id;
- const struct sci_clk_data *clks = provider->clk_data;
- struct clk_hw **clocks = provider->clocks;
+ struct sci_clk **clk;
+ struct sci_clk key;
if (clkspec->args_count != 2)
return ERR_PTR(-EINVAL);
- dev_id = clkspec->args[0];
- clk_id = clkspec->args[1];
+ key.dev_id = clkspec->args[0];
+ key.clk_id = clkspec->args[1];
- while (clks->num_clks) {
- if (clks->dev == dev_id) {
- if (clk_id >= clks->num_clks)
- return ERR_PTR(-EINVAL);
+ clk = bsearch(&key, provider->clocks, provider->num_clocks,
+ sizeof(clk), _cmp_sci_clk);
- return clocks[clk_id];
- }
+ if (!clk)
+ return ERR_PTR(-ENODEV);
- clks++;
- }
-
- return ERR_PTR(-ENODEV);
+ return &(*clk)->hw;
}
static int ti_sci_init_clocks(struct sci_clk_provider *p)
@@ -410,18 +417,29 @@
const struct sci_clk_data *data = p->clk_data;
struct clk_hw *hw;
int i;
+ int num_clks = 0;
while (data->num_clks) {
- p->clocks = devm_kcalloc(p->dev, data->num_clks,
- sizeof(struct sci_clk),
- GFP_KERNEL);
- if (!p->clocks)
- return -ENOMEM;
+ num_clks += data->num_clks;
+ data++;
+ }
+ p->num_clocks = num_clks;
+
+ p->clocks = devm_kcalloc(p->dev, num_clks, sizeof(struct sci_clk),
+ GFP_KERNEL);
+ if (!p->clocks)
+ return -ENOMEM;
+
+ num_clks = 0;
+
+ data = p->clk_data;
+
+ while (data->num_clks) {
for (i = 0; i < data->num_clks; i++) {
hw = _sci_clk_build(p, data->dev, i);
if (!IS_ERR(hw)) {
- p->clocks[i] = hw;
+ p->clocks[num_clks++] = hw;
continue;
}
diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c
index 39eab69..44a5a53 100644
--- a/drivers/clk/meson/clk-mpll.c
+++ b/drivers/clk/meson/clk-mpll.c
@@ -161,6 +161,13 @@
reg = PARM_SET(p->width, p->shift, reg, 1);
writel(reg, mpll->base + p->reg_off);
+ p = &mpll->ssen;
+ if (p->width != 0) {
+ reg = readl(mpll->base + p->reg_off);
+ reg = PARM_SET(p->width, p->shift, reg, 1);
+ writel(reg, mpll->base + p->reg_off);
+ }
+
p = &mpll->n2;
reg = readl(mpll->base + p->reg_off);
reg = PARM_SET(p->width, p->shift, reg, n2);
diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h
index d6feafe..1629da9 100644
--- a/drivers/clk/meson/clkc.h
+++ b/drivers/clk/meson/clkc.h
@@ -118,6 +118,7 @@
struct parm sdm_en;
struct parm n2;
struct parm en;
+ struct parm ssen;
spinlock_t *lock;
};
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index a897ea4..a7ea5f3 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -528,6 +528,11 @@
.shift = 14,
.width = 1,
},
+ .ssen = {
+ .reg_off = HHI_MPLL_CNTL,
+ .shift = 25,
+ .width = 1,
+ },
.lock = &clk_lock,
.hw.init = &(struct clk_init_data){
.name = "mpll0",
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index bb3f1de..6ec512a 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -267,6 +267,11 @@
.shift = 14,
.width = 1,
},
+ .ssen = {
+ .reg_off = HHI_MPLL_CNTL,
+ .shift = 25,
+ .width = 1,
+ },
.lock = &clk_lock,
.hw.init = &(struct clk_init_data){
.name = "mpll0",
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 0748a0b..9a6476a 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -1283,16 +1283,16 @@
static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = {
PLL_36XX_RATE(600000000U, 100, 2, 1, 0),
PLL_36XX_RATE(400000000U, 200, 3, 2, 0),
- PLL_36XX_RATE(393216000U, 197, 3, 2, 25690),
- PLL_36XX_RATE(361267200U, 301, 5, 2, 3671),
+ PLL_36XX_RATE(393216003U, 197, 3, 2, -25690),
+ PLL_36XX_RATE(361267218U, 301, 5, 2, 3671),
PLL_36XX_RATE(200000000U, 200, 3, 3, 0),
- PLL_36XX_RATE(196608000U, 197, 3, 3, -25690),
- PLL_36XX_RATE(180633600U, 301, 5, 3, 3671),
- PLL_36XX_RATE(131072000U, 131, 3, 3, 4719),
+ PLL_36XX_RATE(196608001U, 197, 3, 3, -25690),
+ PLL_36XX_RATE(180633609U, 301, 5, 3, 3671),
+ PLL_36XX_RATE(131072006U, 131, 3, 3, 4719),
PLL_36XX_RATE(100000000U, 200, 3, 4, 0),
- PLL_36XX_RATE(65536000U, 131, 3, 4, 4719),
- PLL_36XX_RATE(49152000U, 197, 3, 5, 25690),
- PLL_36XX_RATE(32768000U, 131, 3, 5, 4719),
+ PLL_36XX_RATE( 65536003U, 131, 3, 4, 4719),
+ PLL_36XX_RATE( 49152000U, 197, 3, 5, -25690),
+ PLL_36XX_RATE( 32768001U, 131, 3, 5, 4719),
};
static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = {
diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c
index 5372bf8..31d7ffd 100644
--- a/drivers/clk/sunxi-ng/ccu-sun5i.c
+++ b/drivers/clk/sunxi-ng/ccu-sun5i.c
@@ -184,7 +184,7 @@
.hw.init = CLK_HW_INIT_PARENTS("cpu",
cpu_parents,
&ccu_mux_ops,
- CLK_IS_CRITICAL),
+ CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
}
};
diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c
index f99abc1..08ef699 100644
--- a/drivers/clk/x86/clk-pmc-atom.c
+++ b/drivers/clk/x86/clk-pmc-atom.c
@@ -186,6 +186,13 @@
pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE;
spin_lock_init(&pclk->lock);
+ /*
+ * If the clock was already enabled by the firmware mark it as critical
+ * to avoid it being gated by the clock framework if no driver owns it.
+ */
+ if (plt_clk_is_enabled(&pclk->hw))
+ init.flags |= CLK_IS_CRITICAL;
+
ret = devm_clk_hw_register(&pdev->dev, &pclk->hw);
if (ret) {
pclk = ERR_PTR(ret);
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index fcae5ca..54a67f8 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -262,7 +262,7 @@
config CLKSRC_PISTACHIO
bool "Clocksource for Pistachio SoC" if COMPILE_TEST
- depends on HAS_IOMEM
+ depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
select TIMER_OF
help
Enables the clocksource for the Pistachio SoC.
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index aae87c4..72bbfcc 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -1440,7 +1440,7 @@
* While unlikely, it's theoretically possible that none of the frames
* in a timer expose the combination of feature we want.
*/
- for (i = i; i < timer_count; i++) {
+ for (i = 0; i < timer_count; i++) {
timer = &timers[i];
frame = arch_timer_mem_find_best_frame(timer);
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index bc48cbf..269db74 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -305,7 +305,7 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "failed to get irq\n");
- return -EINVAL;
+ return irq;
}
/* map memory, let base point to the STI instance */
@@ -314,11 +314,12 @@
if (IS_ERR(p->base))
return PTR_ERR(p->base);
- if (devm_request_irq(&pdev->dev, irq, em_sti_interrupt,
- IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
- dev_name(&pdev->dev), p)) {
+ ret = devm_request_irq(&pdev->dev, irq, em_sti_interrupt,
+ IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
+ dev_name(&pdev->dev), p);
+ if (ret) {
dev_err(&pdev->dev, "failed to request low IRQ\n");
- return -ENOENT;
+ return ret;
}
/* get hold of clock */
diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index f6e7491..4d7aef9 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -41,8 +41,16 @@
struct timer_of *to = container_of(of_irq, struct timer_of, of_irq);
struct clock_event_device *clkevt = &to->clkevt;
- of_irq->irq = of_irq->name ? of_irq_get_byname(np, of_irq->name):
- irq_of_parse_and_map(np, of_irq->index);
+ if (of_irq->name) {
+ of_irq->irq = ret = of_irq_get_byname(np, of_irq->name);
+ if (ret < 0) {
+ pr_err("Failed to get interrupt %s for %s\n",
+ of_irq->name, np->full_name);
+ return ret;
+ }
+ } else {
+ of_irq->irq = irq_of_parse_and_map(np, of_irq->index);
+ }
if (!of_irq->irq) {
pr_err("Failed to map interrupt for %s\n", np->full_name);
return -EINVAL;
@@ -120,9 +128,9 @@
const char *name = of_base->name ? of_base->name : np->full_name;
of_base->base = of_io_request_and_map(np, of_base->index, name);
- if (!of_base->base) {
+ if (IS_ERR(of_base->base)) {
pr_err("Failed to iomap (%s)\n", name);
- return -ENXIO;
+ return PTR_ERR(of_base->base);
}
return 0;
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 2011fec..bdce448 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -71,15 +71,6 @@
If in doubt, say N.
-config ARM_DB8500_CPUFREQ
- tristate "ST-Ericsson DB8500 cpufreq" if COMPILE_TEST && !ARCH_U8500
- default ARCH_U8500
- depends on HAS_IOMEM
- depends on !CPU_THERMAL || THERMAL
- help
- This adds the CPUFreq driver for ST-Ericsson Ux500 (DB8500) SoC
- series.
-
config ARM_IMX6Q_CPUFREQ
tristate "Freescale i.MX6 cpufreq support"
depends on ARCH_MXC
@@ -96,14 +87,13 @@
This adds the CPUFreq driver for Marvell Kirkwood
SoCs.
-config ARM_MT8173_CPUFREQ
- tristate "Mediatek MT8173 CPUFreq support"
+config ARM_MEDIATEK_CPUFREQ
+ tristate "CPU Frequency scaling support for MediaTek SoCs"
depends on ARCH_MEDIATEK && REGULATOR
- depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST)
depends on !CPU_THERMAL || THERMAL
select PM_OPP
help
- This adds the CPUFreq driver support for Mediatek MT8173 SoC.
+ This adds the CPUFreq driver support for MediaTek SoCs.
config ARM_OMAP2PLUS_CPUFREQ
bool "TI OMAP2+"
@@ -242,6 +232,11 @@
this config option if you wish to add CPUFreq support for STi based
SoCs.
+config ARM_TANGO_CPUFREQ
+ bool
+ depends on CPUFREQ_DT && ARCH_TANGO
+ default y
+
config ARM_TEGRA20_CPUFREQ
bool "Tegra20 CPUFreq support"
depends on ARCH_TEGRA
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index ab3a42c..c7af9b2 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -53,12 +53,11 @@
obj-$(CONFIG_ARM_BRCMSTB_AVS_CPUFREQ) += brcmstb-avs-cpufreq.o
obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o
-obj-$(CONFIG_ARM_DB8500_CPUFREQ) += dbx500-cpufreq.o
obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ) += exynos5440-cpufreq.o
obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o
obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o
obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o
-obj-$(CONFIG_ARM_MT8173_CPUFREQ) += mt8173-cpufreq.o
+obj-$(CONFIG_ARM_MEDIATEK_CPUFREQ) += mediatek-cpufreq.o
obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o
obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o
@@ -75,6 +74,7 @@
obj-$(CONFIG_ARM_SCPI_CPUFREQ) += scpi-cpufreq.o
obj-$(CONFIG_ARM_SPEAR_CPUFREQ) += spear-cpufreq.o
obj-$(CONFIG_ARM_STI_CPUFREQ) += sti-cpufreq.o
+obj-$(CONFIG_ARM_TANGO_CPUFREQ) += tango-cpufreq.o
obj-$(CONFIG_ARM_TEGRA20_CPUFREQ) += tegra20-cpufreq.o
obj-$(CONFIG_ARM_TEGRA124_CPUFREQ) += tegra124-cpufreq.o
obj-$(CONFIG_ARM_TEGRA186_CPUFREQ) += tegra186-cpufreq.o
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index ea6d625..1750412 100644
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -483,11 +483,8 @@
return ret;
}
- if (arm_bL_ops->get_transition_latency)
- policy->cpuinfo.transition_latency =
- arm_bL_ops->get_transition_latency(cpu_dev);
- else
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+ policy->cpuinfo.transition_latency =
+ arm_bL_ops->get_transition_latency(cpu_dev);
if (is_bL_switching_enabled())
per_cpu(cpu_last_req_freq, policy->cpu) = clk_get_cpu_rate(policy->cpu);
@@ -622,7 +619,8 @@
return -EBUSY;
}
- if (!ops || !strlen(ops->name) || !ops->init_opp_table) {
+ if (!ops || !strlen(ops->name) || !ops->init_opp_table ||
+ !ops->get_transition_latency) {
pr_err("%s: Invalid arm_bL_ops, exiting\n", __func__);
return -ENODEV;
}
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 10be285..a1c3025 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -172,7 +172,6 @@
return -EFAULT;
}
- cpumask_set_cpu(policy->cpu, policy->cpus);
cpu->cur_policy = policy;
/* Set policy->cur to max now. The governors will adjust later. */
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 1c26292..a020da7 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -9,11 +9,16 @@
#include <linux/err.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "cpufreq-dt.h"
-static const struct of_device_id machines[] __initconst = {
+/*
+ * Machines for which the cpufreq device is *always* created, mostly used for
+ * platforms using "operating-points" (V1) property.
+ */
+static const struct of_device_id whitelist[] __initconst = {
{ .compatible = "allwinner,sun4i-a10", },
{ .compatible = "allwinner,sun5i-a10s", },
{ .compatible = "allwinner,sun5i-a13", },
@@ -22,7 +27,6 @@
{ .compatible = "allwinner,sun6i-a31s", },
{ .compatible = "allwinner,sun7i-a20", },
{ .compatible = "allwinner,sun8i-a23", },
- { .compatible = "allwinner,sun8i-a33", },
{ .compatible = "allwinner,sun8i-a83t", },
{ .compatible = "allwinner,sun8i-h3", },
@@ -32,7 +36,6 @@
{ .compatible = "arm,integrator-cp", },
{ .compatible = "hisilicon,hi3660", },
- { .compatible = "hisilicon,hi6220", },
{ .compatible = "fsl,imx27", },
{ .compatible = "fsl,imx51", },
@@ -46,11 +49,8 @@
{ .compatible = "samsung,exynos3250", },
{ .compatible = "samsung,exynos4210", },
{ .compatible = "samsung,exynos4212", },
- { .compatible = "samsung,exynos4412", },
{ .compatible = "samsung,exynos5250", },
#ifndef CONFIG_BL_SWITCHER
- { .compatible = "samsung,exynos5420", },
- { .compatible = "samsung,exynos5433", },
{ .compatible = "samsung,exynos5800", },
#endif
@@ -67,6 +67,8 @@
{ .compatible = "renesas,r8a7792", },
{ .compatible = "renesas,r8a7793", },
{ .compatible = "renesas,r8a7794", },
+ { .compatible = "renesas,r8a7795", },
+ { .compatible = "renesas,r8a7796", },
{ .compatible = "renesas,sh73a0", },
{ .compatible = "rockchip,rk2928", },
@@ -76,17 +78,17 @@
{ .compatible = "rockchip,rk3188", },
{ .compatible = "rockchip,rk3228", },
{ .compatible = "rockchip,rk3288", },
+ { .compatible = "rockchip,rk3328", },
{ .compatible = "rockchip,rk3366", },
{ .compatible = "rockchip,rk3368", },
{ .compatible = "rockchip,rk3399", },
- { .compatible = "sigma,tango4" },
-
- { .compatible = "socionext,uniphier-pro5", },
- { .compatible = "socionext,uniphier-pxs2", },
{ .compatible = "socionext,uniphier-ld6b", },
- { .compatible = "socionext,uniphier-ld11", },
- { .compatible = "socionext,uniphier-ld20", },
+
+ { .compatible = "st-ericsson,u8500", },
+ { .compatible = "st-ericsson,u8540", },
+ { .compatible = "st-ericsson,u9500", },
+ { .compatible = "st-ericsson,u9540", },
{ .compatible = "ti,omap2", },
{ .compatible = "ti,omap3", },
@@ -94,27 +96,56 @@
{ .compatible = "ti,omap5", },
{ .compatible = "xlnx,zynq-7000", },
-
- { .compatible = "zte,zx296718", },
+ { .compatible = "xlnx,zynqmp", },
{ }
};
+/*
+ * Machines for which the cpufreq device is *not* created, mostly used for
+ * platforms using "operating-points-v2" property.
+ */
+static const struct of_device_id blacklist[] __initconst = {
+ { }
+};
+
+static bool __init cpu0_node_has_opp_v2_prop(void)
+{
+ struct device_node *np = of_cpu_device_node_get(0);
+ bool ret = false;
+
+ if (of_get_property(np, "operating-points-v2", NULL))
+ ret = true;
+
+ of_node_put(np);
+ return ret;
+}
+
static int __init cpufreq_dt_platdev_init(void)
{
struct device_node *np = of_find_node_by_path("/");
const struct of_device_id *match;
+ const void *data = NULL;
if (!np)
return -ENODEV;
- match = of_match_node(machines, np);
- of_node_put(np);
- if (!match)
- return -ENODEV;
+ match = of_match_node(whitelist, np);
+ if (match) {
+ data = match->data;
+ goto create_pdev;
+ }
+ if (cpu0_node_has_opp_v2_prop() && !of_match_node(blacklist, np))
+ goto create_pdev;
+
+ of_node_put(np);
+ return -ENODEV;
+
+create_pdev:
+ of_node_put(np);
return PTR_ERR_OR_ZERO(platform_device_register_data(NULL, "cpufreq-dt",
- -1, match->data,
+ -1, data,
sizeof(struct cpufreq_dt_platform_data)));
}
device_initcall(cpufreq_dt_platdev_init);
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index fef3c21..d83ab94 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -274,6 +274,7 @@
transition_latency = CPUFREQ_ETERNAL;
policy->cpuinfo.transition_latency = transition_latency;
+ policy->dvfs_possible_from_any_cpu = true;
return 0;
diff --git a/drivers/cpufreq/cpufreq-nforce2.c b/drivers/cpufreq/cpufreq-nforce2.c
index 5503d49..dbf82f3 100644
--- a/drivers/cpufreq/cpufreq-nforce2.c
+++ b/drivers/cpufreq/cpufreq-nforce2.c
@@ -357,7 +357,6 @@
/* cpuinfo and default policy values */
policy->min = policy->cpuinfo.min_freq = min_fsb * fid * 100;
policy->max = policy->cpuinfo.max_freq = max_fsb * fid * 100;
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
return 0;
}
@@ -369,6 +368,7 @@
static struct cpufreq_driver nforce2_driver = {
.name = "nforce2",
+ .flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = nforce2_verify,
.target = nforce2_target,
.get = nforce2_get,
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 9bf97a3..ea43b14 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -524,6 +524,32 @@
}
EXPORT_SYMBOL_GPL(cpufreq_driver_resolve_freq);
+unsigned int cpufreq_policy_transition_delay_us(struct cpufreq_policy *policy)
+{
+ unsigned int latency;
+
+ if (policy->transition_delay_us)
+ return policy->transition_delay_us;
+
+ latency = policy->cpuinfo.transition_latency / NSEC_PER_USEC;
+ if (latency) {
+ /*
+ * For platforms that can change the frequency very fast (< 10
+ * us), the above formula gives a decent transition delay. But
+ * for platforms where transition_latency is in milliseconds, it
+ * ends up giving unrealistic values.
+ *
+ * Cap the default transition delay to 10 ms, which seems to be
+ * a reasonable amount of time after which we should reevaluate
+ * the frequency.
+ */
+ return min(latency * LATENCY_MULTIPLIER, (unsigned int)10000);
+ }
+
+ return LATENCY_MULTIPLIER;
+}
+EXPORT_SYMBOL_GPL(cpufreq_policy_transition_delay_us);
+
/*********************************************************************
* SYSFS INTERFACE *
*********************************************************************/
@@ -1817,9 +1843,10 @@
* twice in parallel for the same policy and that it will never be called in
* parallel with either ->target() or ->target_index() for the same policy.
*
- * If CPUFREQ_ENTRY_INVALID is returned by the driver's ->fast_switch()
- * callback to indicate an error condition, the hardware configuration must be
- * preserved.
+ * Returns the actual frequency set for the CPU.
+ *
+ * If 0 is returned by the driver's ->fast_switch() callback to indicate an
+ * error condition, the hardware configuration must be preserved.
*/
unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
@@ -1988,13 +2015,13 @@
if (!policy->governor)
return -EINVAL;
- if (policy->governor->max_transition_latency &&
- policy->cpuinfo.transition_latency >
- policy->governor->max_transition_latency) {
+ /* Platform doesn't want dynamic frequency switching ? */
+ if (policy->governor->dynamic_switching &&
+ cpufreq_driver->flags & CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING) {
struct cpufreq_governor *gov = cpufreq_fallback_governor();
if (gov) {
- pr_warn("%s governor failed, too long transition latency of HW, fallback to %s governor\n",
+ pr_warn("Can't use %s governor as dynamic switching is disallowed. Fallback to %s governor\n",
policy->governor->name, gov->name);
policy->governor = gov;
} else {
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 88220ff..f20f20a 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -246,7 +246,6 @@
gov_show_one_common(sampling_down_factor);
gov_show_one_common(up_threshold);
gov_show_one_common(ignore_nice_load);
-gov_show_one_common(min_sampling_rate);
gov_show_one(cs, down_threshold);
gov_show_one(cs, freq_step);
@@ -254,12 +253,10 @@
gov_attr_rw(sampling_down_factor);
gov_attr_rw(up_threshold);
gov_attr_rw(ignore_nice_load);
-gov_attr_ro(min_sampling_rate);
gov_attr_rw(down_threshold);
gov_attr_rw(freq_step);
static struct attribute *cs_attributes[] = {
- &min_sampling_rate.attr,
&sampling_rate.attr,
&sampling_down_factor.attr,
&up_threshold.attr,
@@ -297,10 +294,7 @@
dbs_data->up_threshold = DEF_FREQUENCY_UP_THRESHOLD;
dbs_data->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
dbs_data->ignore_nice_load = 0;
-
dbs_data->tuners = tuners;
- dbs_data->min_sampling_rate = MIN_SAMPLING_RATE_RATIO *
- jiffies_to_usecs(10);
return 0;
}
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 47e24b5..58d4f4e 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -47,14 +47,11 @@
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
struct policy_dbs_info *policy_dbs;
- unsigned int rate;
int ret;
- ret = sscanf(buf, "%u", &rate);
+ ret = sscanf(buf, "%u", &dbs_data->sampling_rate);
if (ret != 1)
return -EINVAL;
- dbs_data->sampling_rate = max(rate, dbs_data->min_sampling_rate);
-
/*
* We are operating under dbs_data->mutex and so the list and its
* entries can't be freed concurrently.
@@ -275,6 +272,9 @@
struct policy_dbs_info *policy_dbs = cdbs->policy_dbs;
u64 delta_ns, lst;
+ if (!cpufreq_can_do_remote_dvfs(policy_dbs->policy))
+ return;
+
/*
* The work may not be allowed to be queued up right now.
* Possible reasons:
@@ -392,7 +392,6 @@
struct dbs_governor *gov = dbs_governor_of(policy);
struct dbs_data *dbs_data;
struct policy_dbs_info *policy_dbs;
- unsigned int latency;
int ret = 0;
/* State should be equivalent to EXIT */
@@ -431,16 +430,7 @@
if (ret)
goto free_policy_dbs_info;
- /* policy latency is in ns. Convert it to us first */
- latency = policy->cpuinfo.transition_latency / 1000;
- if (latency == 0)
- latency = 1;
-
- /* Bring kernel and HW constraints together */
- dbs_data->min_sampling_rate = max(dbs_data->min_sampling_rate,
- MIN_LATENCY_MULTIPLIER * latency);
- dbs_data->sampling_rate = max(dbs_data->min_sampling_rate,
- LATENCY_MULTIPLIER * latency);
+ dbs_data->sampling_rate = cpufreq_policy_transition_delay_us(policy);
if (!have_governor_per_policy())
gov->gdbs_data = dbs_data;
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 0236ec2..8463f5d 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -41,7 +41,6 @@
struct dbs_data {
struct gov_attr_set attr_set;
void *tuners;
- unsigned int min_sampling_rate;
unsigned int ignore_nice_load;
unsigned int sampling_rate;
unsigned int sampling_down_factor;
@@ -160,7 +159,7 @@
#define CPUFREQ_DBS_GOVERNOR_INITIALIZER(_name_) \
{ \
.name = _name_, \
- .max_transition_latency = TRANSITION_LATENCY_LIMIT, \
+ .dynamic_switching = true, \
.owner = THIS_MODULE, \
.init = cpufreq_dbs_governor_init, \
.exit = cpufreq_dbs_governor_exit, \
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 3937acf..6b423ee 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -319,7 +319,6 @@
gov_show_one_common(up_threshold);
gov_show_one_common(sampling_down_factor);
gov_show_one_common(ignore_nice_load);
-gov_show_one_common(min_sampling_rate);
gov_show_one_common(io_is_busy);
gov_show_one(od, powersave_bias);
@@ -329,10 +328,8 @@
gov_attr_rw(sampling_down_factor);
gov_attr_rw(ignore_nice_load);
gov_attr_rw(powersave_bias);
-gov_attr_ro(min_sampling_rate);
static struct attribute *od_attributes[] = {
- &min_sampling_rate.attr,
&sampling_rate.attr,
&up_threshold.attr,
&sampling_down_factor.attr,
@@ -373,17 +370,8 @@
if (idle_time != -1ULL) {
/* Idle micro accounting is supported. Use finer thresholds */
dbs_data->up_threshold = MICRO_FREQUENCY_UP_THRESHOLD;
- /*
- * In nohz/micro accounting case we set the minimum frequency
- * not depending on HZ, but fixed (very low).
- */
- dbs_data->min_sampling_rate = MICRO_FREQUENCY_MIN_SAMPLE_RATE;
} else {
dbs_data->up_threshold = DEF_FREQUENCY_UP_THRESHOLD;
-
- /* For correct statistics, we need 10 ticks for each measure */
- dbs_data->min_sampling_rate = MIN_SAMPLING_RATE_RATIO *
- jiffies_to_usecs(10);
}
dbs_data->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR;
diff --git a/drivers/cpufreq/dbx500-cpufreq.c b/drivers/cpufreq/dbx500-cpufreq.c
deleted file mode 100644
index 4ee0431..0000000
--- a/drivers/cpufreq/dbx500-cpufreq.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) STMicroelectronics 2009
- * Copyright (C) ST-Ericsson SA 2010-2012
- *
- * License Terms: GNU General Public License v2
- * Author: Sundar Iyer <sundar.iyer@stericsson.com>
- * Author: Martin Persson <martin.persson@stericsson.com>
- * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/cpufreq.h>
-#include <linux/cpu_cooling.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-
-static struct cpufreq_frequency_table *freq_table;
-static struct clk *armss_clk;
-static struct thermal_cooling_device *cdev;
-
-static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
- unsigned int index)
-{
- /* update armss clk frequency */
- return clk_set_rate(armss_clk, freq_table[index].frequency * 1000);
-}
-
-static int dbx500_cpufreq_init(struct cpufreq_policy *policy)
-{
- policy->clk = armss_clk;
- return cpufreq_generic_init(policy, freq_table, 20 * 1000);
-}
-
-static int dbx500_cpufreq_exit(struct cpufreq_policy *policy)
-{
- if (!IS_ERR(cdev))
- cpufreq_cooling_unregister(cdev);
- return 0;
-}
-
-static void dbx500_cpufreq_ready(struct cpufreq_policy *policy)
-{
- cdev = cpufreq_cooling_register(policy);
- if (IS_ERR(cdev))
- pr_err("Failed to register cooling device %ld\n", PTR_ERR(cdev));
- else
- pr_info("Cooling device registered: %s\n", cdev->type);
-}
-
-static struct cpufreq_driver dbx500_cpufreq_driver = {
- .flags = CPUFREQ_STICKY | CPUFREQ_CONST_LOOPS |
- CPUFREQ_NEED_INITIAL_FREQ_CHECK,
- .verify = cpufreq_generic_frequency_table_verify,
- .target_index = dbx500_cpufreq_target,
- .get = cpufreq_generic_get,
- .init = dbx500_cpufreq_init,
- .exit = dbx500_cpufreq_exit,
- .ready = dbx500_cpufreq_ready,
- .name = "DBX500",
- .attr = cpufreq_generic_attr,
-};
-
-static int dbx500_cpufreq_probe(struct platform_device *pdev)
-{
- struct cpufreq_frequency_table *pos;
-
- freq_table = dev_get_platdata(&pdev->dev);
- if (!freq_table) {
- pr_err("dbx500-cpufreq: Failed to fetch cpufreq table\n");
- return -ENODEV;
- }
-
- armss_clk = clk_get(&pdev->dev, "armss");
- if (IS_ERR(armss_clk)) {
- pr_err("dbx500-cpufreq: Failed to get armss clk\n");
- return PTR_ERR(armss_clk);
- }
-
- pr_info("dbx500-cpufreq: Available frequencies:\n");
- cpufreq_for_each_entry(pos, freq_table)
- pr_info(" %d Mhz\n", pos->frequency / 1000);
-
- return cpufreq_register_driver(&dbx500_cpufreq_driver);
-}
-
-static struct platform_driver dbx500_cpufreq_plat_driver = {
- .driver = {
- .name = "cpufreq-ux500",
- },
- .probe = dbx500_cpufreq_probe,
-};
-
-static int __init dbx500_cpufreq_register(void)
-{
- return platform_driver_register(&dbx500_cpufreq_plat_driver);
-}
-device_initcall(dbx500_cpufreq_register);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("cpufreq driver for DBX500");
diff --git a/drivers/cpufreq/elanfreq.c b/drivers/cpufreq/elanfreq.c
index bfce11c..45e2ca6 100644
--- a/drivers/cpufreq/elanfreq.c
+++ b/drivers/cpufreq/elanfreq.c
@@ -165,9 +165,6 @@
if (pos->frequency > max_freq)
pos->frequency = CPUFREQ_ENTRY_INVALID;
- /* cpuinfo and default policy values */
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
-
return cpufreq_table_validate_and_show(policy, elanfreq_table);
}
@@ -196,6 +193,7 @@
static struct cpufreq_driver elanfreq_driver = {
.get = elanfreq_get_cpu_frequency,
+ .flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = elanfreq_target,
.init = elanfreq_cpu_init,
diff --git a/drivers/cpufreq/gx-suspmod.c b/drivers/cpufreq/gx-suspmod.c
index 3488c9c..8f52a06 100644
--- a/drivers/cpufreq/gx-suspmod.c
+++ b/drivers/cpufreq/gx-suspmod.c
@@ -428,7 +428,6 @@
policy->max = maxfreq;
policy->cpuinfo.min_freq = maxfreq / max_duration;
policy->cpuinfo.max_freq = maxfreq;
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
return 0;
}
@@ -438,6 +437,7 @@
* MediaGX/Geode GX initialize cpufreq driver
*/
static struct cpufreq_driver gx_suspmod_driver = {
+ .flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.get = gx_get_cpuspeed,
.verify = cpufreq_gx_verify,
.target = cpufreq_gx_target,
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index b6edd3c..14466a9 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -47,6 +47,7 @@
struct dev_pm_opp *opp;
unsigned long freq_hz, volt, volt_old;
unsigned int old_freq, new_freq;
+ bool pll1_sys_temp_enabled = false;
int ret;
new_freq = freq_table[index].frequency;
@@ -124,6 +125,10 @@
if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) {
clk_set_rate(pll1_sys_clk, new_freq * 1000);
clk_set_parent(pll1_sw_clk, pll1_sys_clk);
+ } else {
+ /* pll1_sys needs to be enabled for divider rate change to work. */
+ pll1_sys_temp_enabled = true;
+ clk_prepare_enable(pll1_sys_clk);
}
}
@@ -135,6 +140,10 @@
return ret;
}
+ /* PLL1 is only needed until after ARM-PODF is set. */
+ if (pll1_sys_temp_enabled)
+ clk_disable_unprepare(pll1_sys_clk);
+
/* scaling down? scale voltage after frequency */
if (new_freq < old_freq) {
ret = regulator_set_voltage_tol(arm_reg, volt, 0);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b7fb8b7..8f95265 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -37,8 +37,7 @@
#include <asm/cpufeature.h>
#include <asm/intel-family.h>
-#define INTEL_PSTATE_DEFAULT_SAMPLING_INTERVAL (10 * NSEC_PER_MSEC)
-#define INTEL_PSTATE_HWP_SAMPLING_INTERVAL (50 * NSEC_PER_MSEC)
+#define INTEL_PSTATE_SAMPLING_INTERVAL (10 * NSEC_PER_MSEC)
#define INTEL_CPUFREQ_TRANSITION_LATENCY 20000
#define INTEL_CPUFREQ_TRANSITION_DELAY 500
@@ -173,28 +172,6 @@
};
/**
- * struct _pid - Stores PID data
- * @setpoint: Target set point for busyness or performance
- * @integral: Storage for accumulated error values
- * @p_gain: PID proportional gain
- * @i_gain: PID integral gain
- * @d_gain: PID derivative gain
- * @deadband: PID deadband
- * @last_err: Last error storage for integral part of PID calculation
- *
- * Stores PID coefficients and last error for PID controller.
- */
-struct _pid {
- int setpoint;
- int32_t integral;
- int32_t p_gain;
- int32_t i_gain;
- int32_t d_gain;
- int deadband;
- int32_t last_err;
-};
-
-/**
* struct global_params - Global parameters, mostly tunable via sysfs.
* @no_turbo: Whether or not to use turbo P-states.
* @turbo_disabled: Whethet or not turbo P-states are available at all,
@@ -223,8 +200,10 @@
* @last_update: Time of the last update.
* @pstate: Stores P state limits for this CPU
* @vid: Stores VID limits for this CPU
- * @pid: Stores PID parameters for this CPU
* @last_sample_time: Last Sample time
+ * @aperf_mperf_shift: Number of clock cycles after aperf, merf is incremented
+ * This shift is a multiplier to mperf delta to
+ * calculate CPU busy.
* @prev_aperf: Last APERF value read from APERF MSR
* @prev_mperf: Last MPERF value read from MPERF MSR
* @prev_tsc: Last timestamp counter (TSC) value
@@ -255,10 +234,10 @@
struct pstate_data pstate;
struct vid_data vid;
- struct _pid pid;
u64 last_update;
u64 last_sample_time;
+ u64 aperf_mperf_shift;
u64 prev_aperf;
u64 prev_mperf;
u64 prev_tsc;
@@ -280,28 +259,6 @@
static struct cpudata **all_cpu_data;
/**
- * struct pstate_adjust_policy - Stores static PID configuration data
- * @sample_rate_ms: PID calculation sample rate in ms
- * @sample_rate_ns: Sample rate calculation in ns
- * @deadband: PID deadband
- * @setpoint: PID Setpoint
- * @p_gain_pct: PID proportional gain
- * @i_gain_pct: PID integral gain
- * @d_gain_pct: PID derivative gain
- *
- * Stores per CPU model static PID configuration data.
- */
-struct pstate_adjust_policy {
- int sample_rate_ms;
- s64 sample_rate_ns;
- int deadband;
- int setpoint;
- int p_gain_pct;
- int d_gain_pct;
- int i_gain_pct;
-};
-
-/**
* struct pstate_funcs - Per CPU model specific callbacks
* @get_max: Callback to get maximum non turbo effective P state
* @get_max_physical: Callback to get maximum non turbo physical P state
@@ -310,7 +267,6 @@
* @get_scaling: Callback to get frequency scaling factor
* @get_val: Callback to convert P state to actual MSR write value
* @get_vid: Callback to get VID data for Atom platforms
- * @update_util: Active mode utilization update callback.
*
* Core and Atom CPU models have different way to get P State limits. This
* structure is used to store those callbacks.
@@ -321,22 +277,12 @@
int (*get_min)(void);
int (*get_turbo)(void);
int (*get_scaling)(void);
+ int (*get_aperf_mperf_shift)(void);
u64 (*get_val)(struct cpudata*, int pstate);
void (*get_vid)(struct cpudata *);
- void (*update_util)(struct update_util_data *data, u64 time,
- unsigned int flags);
};
static struct pstate_funcs pstate_funcs __read_mostly;
-static struct pstate_adjust_policy pid_params __read_mostly = {
- .sample_rate_ms = 10,
- .sample_rate_ns = 10 * NSEC_PER_MSEC,
- .deadband = 0,
- .setpoint = 97,
- .p_gain_pct = 20,
- .d_gain_pct = 0,
- .i_gain_pct = 0,
-};
static int hwp_active __read_mostly;
static bool per_cpu_limits __read_mostly;
@@ -504,56 +450,6 @@
}
#endif
-static signed int pid_calc(struct _pid *pid, int32_t busy)
-{
- signed int result;
- int32_t pterm, dterm, fp_error;
- int32_t integral_limit;
-
- fp_error = pid->setpoint - busy;
-
- if (abs(fp_error) <= pid->deadband)
- return 0;
-
- pterm = mul_fp(pid->p_gain, fp_error);
-
- pid->integral += fp_error;
-
- /*
- * We limit the integral here so that it will never
- * get higher than 30. This prevents it from becoming
- * too large an input over long periods of time and allows
- * it to get factored out sooner.
- *
- * The value of 30 was chosen through experimentation.
- */
- integral_limit = int_tofp(30);
- if (pid->integral > integral_limit)
- pid->integral = integral_limit;
- if (pid->integral < -integral_limit)
- pid->integral = -integral_limit;
-
- dterm = mul_fp(pid->d_gain, fp_error - pid->last_err);
- pid->last_err = fp_error;
-
- result = pterm + mul_fp(pid->integral, pid->i_gain) + dterm;
- result = result + (1 << (FRAC_BITS-1));
- return (signed int)fp_toint(result);
-}
-
-static inline void intel_pstate_pid_reset(struct cpudata *cpu)
-{
- struct _pid *pid = &cpu->pid;
-
- pid->p_gain = percent_fp(pid_params.p_gain_pct);
- pid->d_gain = percent_fp(pid_params.d_gain_pct);
- pid->i_gain = percent_fp(pid_params.i_gain_pct);
- pid->setpoint = int_tofp(pid_params.setpoint);
- pid->last_err = pid->setpoint - int_tofp(100);
- pid->deadband = int_tofp(pid_params.deadband);
- pid->integral = 0;
-}
-
static inline void update_turbo_state(void)
{
u64 misc_en;
@@ -906,82 +802,6 @@
cpufreq_update_policy(cpu);
}
-/************************** debugfs begin ************************/
-static int pid_param_set(void *data, u64 val)
-{
- unsigned int cpu;
-
- *(u32 *)data = val;
- pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC;
- for_each_possible_cpu(cpu)
- if (all_cpu_data[cpu])
- intel_pstate_pid_reset(all_cpu_data[cpu]);
-
- return 0;
-}
-
-static int pid_param_get(void *data, u64 *val)
-{
- *val = *(u32 *)data;
- return 0;
-}
-DEFINE_SIMPLE_ATTRIBUTE(fops_pid_param, pid_param_get, pid_param_set, "%llu\n");
-
-static struct dentry *debugfs_parent;
-
-struct pid_param {
- char *name;
- void *value;
- struct dentry *dentry;
-};
-
-static struct pid_param pid_files[] = {
- {"sample_rate_ms", &pid_params.sample_rate_ms, },
- {"d_gain_pct", &pid_params.d_gain_pct, },
- {"i_gain_pct", &pid_params.i_gain_pct, },
- {"deadband", &pid_params.deadband, },
- {"setpoint", &pid_params.setpoint, },
- {"p_gain_pct", &pid_params.p_gain_pct, },
- {NULL, NULL, }
-};
-
-static void intel_pstate_debug_expose_params(void)
-{
- int i;
-
- debugfs_parent = debugfs_create_dir("pstate_snb", NULL);
- if (IS_ERR_OR_NULL(debugfs_parent))
- return;
-
- for (i = 0; pid_files[i].name; i++) {
- struct dentry *dentry;
-
- dentry = debugfs_create_file(pid_files[i].name, 0660,
- debugfs_parent, pid_files[i].value,
- &fops_pid_param);
- if (!IS_ERR(dentry))
- pid_files[i].dentry = dentry;
- }
-}
-
-static void intel_pstate_debug_hide_params(void)
-{
- int i;
-
- if (IS_ERR_OR_NULL(debugfs_parent))
- return;
-
- for (i = 0; pid_files[i].name; i++) {
- debugfs_remove(pid_files[i].dentry);
- pid_files[i].dentry = NULL;
- }
-
- debugfs_remove(debugfs_parent);
- debugfs_parent = NULL;
-}
-
-/************************** debugfs end ************************/
-
/************************** sysfs begin ************************/
#define show_one(file_name, object) \
static ssize_t show_##file_name \
@@ -1486,6 +1306,11 @@
return val;
}
+static int knl_get_aperf_mperf_shift(void)
+{
+ return 10;
+}
+
static int knl_get_turbo_pstate(void)
{
u64 value;
@@ -1543,6 +1368,9 @@
cpu->pstate.max_freq = cpu->pstate.max_pstate * cpu->pstate.scaling;
cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
+ if (pstate_funcs.get_aperf_mperf_shift)
+ cpu->aperf_mperf_shift = pstate_funcs.get_aperf_mperf_shift();
+
if (pstate_funcs.get_vid)
pstate_funcs.get_vid(cpu);
@@ -1600,8 +1428,7 @@
static inline int32_t get_avg_frequency(struct cpudata *cpu)
{
- return mul_ext_fp(cpu->sample.core_avg_perf,
- cpu->pstate.max_pstate_physical * cpu->pstate.scaling);
+ return mul_ext_fp(cpu->sample.core_avg_perf, cpu_khz);
}
static inline int32_t get_avg_pstate(struct cpudata *cpu)
@@ -1610,13 +1437,14 @@
cpu->sample.core_avg_perf);
}
-static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu)
+static inline int32_t get_target_pstate(struct cpudata *cpu)
{
struct sample *sample = &cpu->sample;
int32_t busy_frac, boost;
int target, avg_pstate;
- busy_frac = div_fp(sample->mperf, sample->tsc);
+ busy_frac = div_fp(sample->mperf << cpu->aperf_mperf_shift,
+ sample->tsc);
boost = cpu->iowait_boost;
cpu->iowait_boost >>= 1;
@@ -1647,43 +1475,6 @@
return target;
}
-static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu)
-{
- int32_t perf_scaled, max_pstate, current_pstate, sample_ratio;
- u64 duration_ns;
-
- /*
- * perf_scaled is the ratio of the average P-state during the last
- * sampling period to the P-state requested last time (in percent).
- *
- * That measures the system's response to the previous P-state
- * selection.
- */
- max_pstate = cpu->pstate.max_pstate_physical;
- current_pstate = cpu->pstate.current_pstate;
- perf_scaled = mul_ext_fp(cpu->sample.core_avg_perf,
- div_fp(100 * max_pstate, current_pstate));
-
- /*
- * Since our utilization update callback will not run unless we are
- * in C0, check if the actual elapsed time is significantly greater (3x)
- * than our sample interval. If it is, then we were idle for a long
- * enough period of time to adjust our performance metric.
- */
- duration_ns = cpu->sample.time - cpu->last_sample_time;
- if ((s64)duration_ns > pid_params.sample_rate_ns * 3) {
- sample_ratio = div_fp(pid_params.sample_rate_ns, duration_ns);
- perf_scaled = mul_fp(perf_scaled, sample_ratio);
- } else {
- sample_ratio = div_fp(100 * cpu->sample.mperf, cpu->sample.tsc);
- if (sample_ratio < int_tofp(1))
- perf_scaled = 0;
- }
-
- cpu->sample.busy_scaled = perf_scaled;
- return cpu->pstate.current_pstate - pid_calc(&cpu->pid, perf_scaled);
-}
-
static int intel_pstate_prepare_request(struct cpudata *cpu, int pstate)
{
int max_pstate = intel_pstate_get_base_pstate(cpu);
@@ -1703,13 +1494,15 @@
wrmsrl(MSR_IA32_PERF_CTL, pstate_funcs.get_val(cpu, pstate));
}
-static void intel_pstate_adjust_pstate(struct cpudata *cpu, int target_pstate)
+static void intel_pstate_adjust_pstate(struct cpudata *cpu)
{
int from = cpu->pstate.current_pstate;
struct sample *sample;
+ int target_pstate;
update_turbo_state();
+ target_pstate = get_target_pstate(cpu);
target_pstate = intel_pstate_prepare_request(cpu, target_pstate);
trace_cpu_frequency(target_pstate * cpu->pstate.scaling, cpu->cpu);
intel_pstate_update_pstate(cpu, target_pstate);
@@ -1726,31 +1519,27 @@
fp_toint(cpu->iowait_boost * 100));
}
-static void intel_pstate_update_util_pid(struct update_util_data *data,
- u64 time, unsigned int flags)
-{
- struct cpudata *cpu = container_of(data, struct cpudata, update_util);
- u64 delta_ns = time - cpu->sample.time;
-
- if ((s64)delta_ns < pid_params.sample_rate_ns)
- return;
-
- if (intel_pstate_sample(cpu, time)) {
- int target_pstate;
-
- target_pstate = get_target_pstate_use_performance(cpu);
- intel_pstate_adjust_pstate(cpu, target_pstate);
- }
-}
-
static void intel_pstate_update_util(struct update_util_data *data, u64 time,
unsigned int flags)
{
struct cpudata *cpu = container_of(data, struct cpudata, update_util);
u64 delta_ns;
+ /* Don't allow remote callbacks */
+ if (smp_processor_id() != cpu->cpu)
+ return;
+
if (flags & SCHED_CPUFREQ_IOWAIT) {
cpu->iowait_boost = int_tofp(1);
+ cpu->last_update = time;
+ /*
+ * The last time the busy was 100% so P-state was max anyway
+ * so avoid overhead of computation.
+ */
+ if (fp_toint(cpu->sample.busy_scaled) == 100)
+ return;
+
+ goto set_pstate;
} else if (cpu->iowait_boost) {
/* Clear iowait_boost if the CPU may have been idle. */
delta_ns = time - cpu->last_update;
@@ -1759,15 +1548,12 @@
}
cpu->last_update = time;
delta_ns = time - cpu->sample.time;
- if ((s64)delta_ns < INTEL_PSTATE_DEFAULT_SAMPLING_INTERVAL)
+ if ((s64)delta_ns < INTEL_PSTATE_SAMPLING_INTERVAL)
return;
- if (intel_pstate_sample(cpu, time)) {
- int target_pstate;
-
- target_pstate = get_target_pstate_use_cpu_load(cpu);
- intel_pstate_adjust_pstate(cpu, target_pstate);
- }
+set_pstate:
+ if (intel_pstate_sample(cpu, time))
+ intel_pstate_adjust_pstate(cpu);
}
static struct pstate_funcs core_funcs = {
@@ -1777,7 +1563,6 @@
.get_turbo = core_get_turbo_pstate,
.get_scaling = core_get_scaling,
.get_val = core_get_val,
- .update_util = intel_pstate_update_util_pid,
};
static const struct pstate_funcs silvermont_funcs = {
@@ -1788,7 +1573,6 @@
.get_val = atom_get_val,
.get_scaling = silvermont_get_scaling,
.get_vid = atom_get_vid,
- .update_util = intel_pstate_update_util,
};
static const struct pstate_funcs airmont_funcs = {
@@ -1799,7 +1583,6 @@
.get_val = atom_get_val,
.get_scaling = airmont_get_scaling,
.get_vid = atom_get_vid,
- .update_util = intel_pstate_update_util,
};
static const struct pstate_funcs knl_funcs = {
@@ -1807,9 +1590,9 @@
.get_max_physical = core_get_max_pstate_physical,
.get_min = core_get_min_pstate,
.get_turbo = knl_get_turbo_pstate,
+ .get_aperf_mperf_shift = knl_get_aperf_mperf_shift,
.get_scaling = core_get_scaling,
.get_val = core_get_val,
- .update_util = intel_pstate_update_util_pid,
};
static const struct pstate_funcs bxt_funcs = {
@@ -1819,7 +1602,6 @@
.get_turbo = core_get_turbo_pstate,
.get_scaling = core_get_scaling,
.get_val = core_get_val,
- .update_util = intel_pstate_update_util,
};
#define ICPU(model, policy) \
@@ -1863,8 +1645,6 @@
{}
};
-static bool pid_in_use(void);
-
static int intel_pstate_init_cpu(unsigned int cpunum)
{
struct cpudata *cpu;
@@ -1895,8 +1675,6 @@
intel_pstate_disable_ee(cpunum);
intel_pstate_hwp_enable(cpu);
- } else if (pid_in_use()) {
- intel_pstate_pid_reset(cpu);
}
intel_pstate_get_cpu_pstates(cpu);
@@ -1906,13 +1684,6 @@
return 0;
}
-static unsigned int intel_pstate_get(unsigned int cpu_num)
-{
- struct cpudata *cpu = all_cpu_data[cpu_num];
-
- return cpu ? get_avg_frequency(cpu) : 0;
-}
-
static void intel_pstate_set_update_util_hook(unsigned int cpu_num)
{
struct cpudata *cpu = all_cpu_data[cpu_num];
@@ -1926,7 +1697,7 @@
/* Prevent intel_pstate_update_util() from using stale data. */
cpu->sample.time = 0;
cpufreq_add_update_util_hook(cpu_num, &cpu->update_util,
- pstate_funcs.update_util);
+ intel_pstate_update_util);
cpu->update_util_set = true;
}
@@ -2124,7 +1895,6 @@
policy->cpuinfo.max_freq *= cpu->pstate.scaling;
intel_pstate_init_acpi_perf_limits(policy);
- cpumask_set_cpu(policy->cpu, policy->cpus);
policy->fast_switch_possible = true;
@@ -2138,7 +1908,6 @@
if (ret)
return ret;
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE))
policy->policy = CPUFREQ_POLICY_PERFORMANCE;
else
@@ -2153,7 +1922,6 @@
.setpolicy = intel_pstate_set_policy,
.suspend = intel_pstate_hwp_save_state,
.resume = intel_pstate_resume,
- .get = intel_pstate_get,
.init = intel_pstate_cpu_init,
.exit = intel_pstate_cpu_exit,
.stop_cpu = intel_pstate_stop_cpu,
@@ -2254,12 +2022,6 @@
static struct cpufreq_driver *default_driver = &intel_pstate;
-static bool pid_in_use(void)
-{
- return intel_pstate_driver == &intel_pstate &&
- pstate_funcs.update_util == intel_pstate_update_util_pid;
-}
-
static void intel_pstate_driver_cleanup(void)
{
unsigned int cpu;
@@ -2294,9 +2056,6 @@
global.min_perf_pct = min_perf_pct_min();
- if (pid_in_use())
- intel_pstate_debug_expose_params();
-
return 0;
}
@@ -2305,9 +2064,6 @@
if (hwp_active)
return -EBUSY;
- if (pid_in_use())
- intel_pstate_debug_hide_params();
-
cpufreq_unregister_driver(intel_pstate_driver);
intel_pstate_driver_cleanup();
@@ -2375,24 +2131,6 @@
return 0;
}
-#ifdef CONFIG_ACPI
-static void intel_pstate_use_acpi_profile(void)
-{
- switch (acpi_gbl_FADT.preferred_profile) {
- case PM_MOBILE:
- case PM_TABLET:
- case PM_APPLIANCE_PC:
- case PM_DESKTOP:
- case PM_WORKSTATION:
- pstate_funcs.update_util = intel_pstate_update_util;
- }
-}
-#else
-static void intel_pstate_use_acpi_profile(void)
-{
-}
-#endif
-
static void __init copy_cpu_funcs(struct pstate_funcs *funcs)
{
pstate_funcs.get_max = funcs->get_max;
@@ -2402,9 +2140,7 @@
pstate_funcs.get_scaling = funcs->get_scaling;
pstate_funcs.get_val = funcs->get_val;
pstate_funcs.get_vid = funcs->get_vid;
- pstate_funcs.update_util = funcs->update_util;
-
- intel_pstate_use_acpi_profile();
+ pstate_funcs.get_aperf_mperf_shift = funcs->get_aperf_mperf_shift;
}
#ifdef CONFIG_ACPI
@@ -2548,9 +2284,7 @@
if (x86_match_cpu(hwp_support_ids)) {
copy_cpu_funcs(&core_funcs);
- if (no_hwp) {
- pstate_funcs.update_util = intel_pstate_update_util;
- } else {
+ if (!no_hwp) {
hwp_active++;
intel_pstate.attr = hwp_cpufreq_attrs;
goto hwp_cpu_matched;
diff --git a/drivers/cpufreq/longrun.c b/drivers/cpufreq/longrun.c
index 074971b..542aa9a 100644
--- a/drivers/cpufreq/longrun.c
+++ b/drivers/cpufreq/longrun.c
@@ -270,7 +270,6 @@
/* cpuinfo and default policy values */
policy->cpuinfo.min_freq = longrun_low_freq;
policy->cpuinfo.max_freq = longrun_high_freq;
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
longrun_get_policy(policy);
return 0;
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index 9ac27b2..da34469 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -114,7 +114,7 @@
.attr = cpufreq_generic_attr,
};
-static struct platform_device_id platform_device_ids[] = {
+static const struct platform_device_id platform_device_ids[] = {
{
.name = "loongson2_cpufreq",
},
diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
similarity index 95%
rename from drivers/cpufreq/mt8173-cpufreq.c
rename to drivers/cpufreq/mediatek-cpufreq.c
index f9f00fb..18c4bd9 100644
--- a/drivers/cpufreq/mt8173-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -507,7 +507,7 @@
return 0;
}
-static struct cpufreq_driver mt8173_cpufreq_driver = {
+static struct cpufreq_driver mtk_cpufreq_driver = {
.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
.verify = cpufreq_generic_frequency_table_verify,
@@ -520,7 +520,7 @@
.attr = cpufreq_generic_attr,
};
-static int mt8173_cpufreq_probe(struct platform_device *pdev)
+static int mtk_cpufreq_probe(struct platform_device *pdev)
{
struct mtk_cpu_dvfs_info *info, *tmp;
int cpu, ret;
@@ -547,7 +547,7 @@
list_add(&info->list_head, &dvfs_info_list);
}
- ret = cpufreq_register_driver(&mt8173_cpufreq_driver);
+ ret = cpufreq_register_driver(&mtk_cpufreq_driver);
if (ret) {
dev_err(&pdev->dev, "failed to register mtk cpufreq driver\n");
goto release_dvfs_info_list;
@@ -564,15 +564,18 @@
return ret;
}
-static struct platform_driver mt8173_cpufreq_platdrv = {
+static struct platform_driver mtk_cpufreq_platdrv = {
.driver = {
- .name = "mt8173-cpufreq",
+ .name = "mtk-cpufreq",
},
- .probe = mt8173_cpufreq_probe,
+ .probe = mtk_cpufreq_probe,
};
/* List of machines supported by this driver */
-static const struct of_device_id mt8173_cpufreq_machines[] __initconst = {
+static const struct of_device_id mtk_cpufreq_machines[] __initconst = {
+ { .compatible = "mediatek,mt2701", },
+ { .compatible = "mediatek,mt7622", },
+ { .compatible = "mediatek,mt7623", },
{ .compatible = "mediatek,mt817x", },
{ .compatible = "mediatek,mt8173", },
{ .compatible = "mediatek,mt8176", },
@@ -580,7 +583,7 @@
{ }
};
-static int __init mt8173_cpufreq_driver_init(void)
+static int __init mtk_cpufreq_driver_init(void)
{
struct device_node *np;
const struct of_device_id *match;
@@ -591,14 +594,14 @@
if (!np)
return -ENODEV;
- match = of_match_node(mt8173_cpufreq_machines, np);
+ match = of_match_node(mtk_cpufreq_machines, np);
of_node_put(np);
if (!match) {
- pr_warn("Machine is not compatible with mt8173-cpufreq\n");
+ pr_warn("Machine is not compatible with mtk-cpufreq\n");
return -ENODEV;
}
- err = platform_driver_register(&mt8173_cpufreq_platdrv);
+ err = platform_driver_register(&mtk_cpufreq_platdrv);
if (err)
return err;
@@ -608,7 +611,7 @@
* and the device registration codes are put here to handle defer
* probing.
*/
- pdev = platform_device_register_simple("mt8173-cpufreq", -1, NULL, 0);
+ pdev = platform_device_register_simple("mtk-cpufreq", -1, NULL, 0);
if (IS_ERR(pdev)) {
pr_err("failed to register mtk-cpufreq platform device\n");
return PTR_ERR(pdev);
@@ -616,4 +619,4 @@
return 0;
}
-device_initcall(mt8173_cpufreq_driver_init);
+device_initcall(mtk_cpufreq_driver_init);
diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
index ff44016..61ae06c 100644
--- a/drivers/cpufreq/pmac32-cpufreq.c
+++ b/drivers/cpufreq/pmac32-cpufreq.c
@@ -442,7 +442,8 @@
.init = pmac_cpufreq_cpu_init,
.suspend = pmac_cpufreq_suspend,
.resume = pmac_cpufreq_resume,
- .flags = CPUFREQ_PM_NO_WARN,
+ .flags = CPUFREQ_PM_NO_WARN |
+ CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.attr = cpufreq_generic_attr,
.name = "powermac",
};
@@ -626,14 +627,16 @@
if (!value)
goto out;
cur_freq = (*value) / 1000;
- transition_latency = CPUFREQ_ETERNAL;
/* Check for 7447A based MacRISC3 */
if (of_machine_is_compatible("MacRISC3") &&
of_get_property(cpunode, "dynamic-power-step", NULL) &&
PVR_VER(mfspr(SPRN_PVR)) == 0x8003) {
pmac_cpufreq_init_7447A(cpunode);
+
+ /* Allow dynamic switching */
transition_latency = 8000000;
+ pmac_cpufreq_driver.flags &= ~CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING;
/* Check for other MacRISC3 machines */
} else if (of_machine_is_compatible("PowerBook3,4") ||
of_machine_is_compatible("PowerBook3,5") ||
diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c
index 267e089..be623dd 100644
--- a/drivers/cpufreq/pmac64-cpufreq.c
+++ b/drivers/cpufreq/pmac64-cpufreq.c
@@ -516,7 +516,7 @@
goto bail;
}
- DBG("cpufreq: i2c clock chip found: %s\n", hwclock->full_name);
+ DBG("cpufreq: i2c clock chip found: %pOF\n", hwclock);
/* Now get all the platform functions */
pfunc_cpu_getfreq =
diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c
index f82074e..5d31c2d 100644
--- a/drivers/cpufreq/s5pv210-cpufreq.c
+++ b/drivers/cpufreq/s5pv210-cpufreq.c
@@ -602,6 +602,7 @@
}
clk_base = of_iomap(np, 0);
+ of_node_put(np);
if (!clk_base) {
pr_err("%s: failed to map clock registers\n", __func__);
return -EFAULT;
@@ -612,6 +613,7 @@
if (id < 0 || id >= ARRAY_SIZE(dmc_base)) {
pr_err("%s: failed to get alias of dmc node '%s'\n",
__func__, np->name);
+ of_node_put(np);
return id;
}
@@ -619,6 +621,7 @@
if (!dmc_base[id]) {
pr_err("%s: failed to map dmc%d registers\n",
__func__, id);
+ of_node_put(np);
return -EFAULT;
}
}
diff --git a/drivers/cpufreq/sa1100-cpufreq.c b/drivers/cpufreq/sa1100-cpufreq.c
index 728eab7..e2d8a77 100644
--- a/drivers/cpufreq/sa1100-cpufreq.c
+++ b/drivers/cpufreq/sa1100-cpufreq.c
@@ -197,11 +197,12 @@
static int __init sa1100_cpu_init(struct cpufreq_policy *policy)
{
- return cpufreq_generic_init(policy, sa11x0_freq_table, CPUFREQ_ETERNAL);
+ return cpufreq_generic_init(policy, sa11x0_freq_table, 0);
}
static struct cpufreq_driver sa1100_driver __refdata = {
- .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+ CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = sa1100_target,
.get = sa11x0_getspeed,
diff --git a/drivers/cpufreq/sa1110-cpufreq.c b/drivers/cpufreq/sa1110-cpufreq.c
index 2bac9b6..66e5fb0 100644
--- a/drivers/cpufreq/sa1110-cpufreq.c
+++ b/drivers/cpufreq/sa1110-cpufreq.c
@@ -306,13 +306,14 @@
static int __init sa1110_cpu_init(struct cpufreq_policy *policy)
{
- return cpufreq_generic_init(policy, sa11x0_freq_table, CPUFREQ_ETERNAL);
+ return cpufreq_generic_init(policy, sa11x0_freq_table, 0);
}
/* sa1110_driver needs __refdata because it must remain after init registers
* it with cpufreq_register_driver() */
static struct cpufreq_driver sa1110_driver __refdata = {
- .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+ CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = sa1110_target,
.get = sa11x0_getspeed,
diff --git a/drivers/cpufreq/sh-cpufreq.c b/drivers/cpufreq/sh-cpufreq.c
index 719c3d9..28893d4 100644
--- a/drivers/cpufreq/sh-cpufreq.c
+++ b/drivers/cpufreq/sh-cpufreq.c
@@ -137,8 +137,6 @@
(clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
}
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
-
dev_info(dev, "CPU Frequencies - Minimum %u.%03u MHz, "
"Maximum %u.%03u MHz.\n",
policy->min / 1000, policy->min % 1000,
@@ -159,6 +157,7 @@
static struct cpufreq_driver sh_cpufreq_driver = {
.name = "sh",
+ .flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.get = sh_cpufreq_get,
.target = sh_cpufreq_target,
.verify = sh_cpufreq_verify,
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index b86953a..0412a24 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -207,7 +207,7 @@
* 8100 which use a pretty old revision of the 82815
* host bridge. Abort on these systems.
*/
- static struct pci_dev *hostbridge;
+ struct pci_dev *hostbridge;
hostbridge = pci_get_subsys(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82815_MC,
diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c
index 1b80621..ccab452 100644
--- a/drivers/cpufreq/speedstep-lib.c
+++ b/drivers/cpufreq/speedstep-lib.c
@@ -35,7 +35,7 @@
static unsigned int pentium3_get_frequency(enum speedstep_processor processor)
{
/* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */
- struct {
+ static const struct {
unsigned int ratio; /* Frequency Multiplier (x10) */
u8 bitmap; /* power on configuration bits
[27, 25:22] (in MSR 0x2a) */
@@ -58,7 +58,7 @@
};
/* PIII(-M) FSB settings: see table b1-b of 24547206.pdf */
- struct {
+ static const struct {
unsigned int value; /* Front Side Bus speed in MHz */
u8 bitmap; /* power on configuration bits [18: 19]
(in MSR 0x2a) */
diff --git a/drivers/cpufreq/speedstep-smi.c b/drivers/cpufreq/speedstep-smi.c
index 37b30071..d23f24c 100644
--- a/drivers/cpufreq/speedstep-smi.c
+++ b/drivers/cpufreq/speedstep-smi.c
@@ -266,7 +266,6 @@
pr_debug("workaround worked.\n");
}
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
return cpufreq_table_validate_and_show(policy, speedstep_freqs);
}
@@ -290,6 +289,7 @@
static struct cpufreq_driver speedstep_driver = {
.name = "speedstep-smi",
+ .flags = CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = speedstep_target,
.init = speedstep_cpu_init,
diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
index d2d0430..4710573 100644
--- a/drivers/cpufreq/sti-cpufreq.c
+++ b/drivers/cpufreq/sti-cpufreq.c
@@ -65,8 +65,8 @@
ret = of_property_read_u32_index(np, "st,syscfg",
MAJOR_ID_INDEX, &major_offset);
if (ret) {
- dev_err(dev, "No major number offset provided in %s [%d]\n",
- np->full_name, ret);
+ dev_err(dev, "No major number offset provided in %pOF [%d]\n",
+ np, ret);
return ret;
}
@@ -92,8 +92,8 @@
MINOR_ID_INDEX, &minor_offset);
if (ret) {
dev_err(dev,
- "No minor number offset provided %s [%d]\n",
- np->full_name, ret);
+ "No minor number offset provided %pOF [%d]\n",
+ np, ret);
return ret;
}
diff --git a/drivers/cpufreq/tango-cpufreq.c b/drivers/cpufreq/tango-cpufreq.c
new file mode 100644
index 0000000..89a7f86
--- /dev/null
+++ b/drivers/cpufreq/tango-cpufreq.c
@@ -0,0 +1,38 @@
+#include <linux/of.h>
+#include <linux/cpu.h>
+#include <linux/clk.h>
+#include <linux/pm_opp.h>
+#include <linux/platform_device.h>
+
+static const struct of_device_id machines[] __initconst = {
+ { .compatible = "sigma,tango4" },
+ { /* sentinel */ }
+};
+
+static int __init tango_cpufreq_init(void)
+{
+ struct device *cpu_dev = get_cpu_device(0);
+ unsigned long max_freq;
+ struct clk *cpu_clk;
+ void *res;
+
+ if (!of_match_node(machines, of_root))
+ return -ENODEV;
+
+ cpu_clk = clk_get(cpu_dev, NULL);
+ if (IS_ERR(cpu_clk))
+ return -ENODEV;
+
+ max_freq = clk_get_rate(cpu_clk);
+
+ dev_pm_opp_add(cpu_dev, max_freq / 1, 0);
+ dev_pm_opp_add(cpu_dev, max_freq / 2, 0);
+ dev_pm_opp_add(cpu_dev, max_freq / 3, 0);
+ dev_pm_opp_add(cpu_dev, max_freq / 5, 0);
+ dev_pm_opp_add(cpu_dev, max_freq / 9, 0);
+
+ res = platform_device_register_data(NULL, "cpufreq-dt", -1, NULL, 0);
+
+ return PTR_ERR_OR_ZERO(res);
+}
+device_initcall(tango_cpufreq_init);
diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c
index a7b5658..b29cd33 100644
--- a/drivers/cpufreq/ti-cpufreq.c
+++ b/drivers/cpufreq/ti-cpufreq.c
@@ -245,8 +245,6 @@
if (ret)
goto fail_put_node;
- of_node_put(opp_data->opp_node);
-
ret = PTR_ERR_OR_ZERO(dev_pm_opp_set_supported_hw(opp_data->cpu_dev,
version, VERSION_COUNT));
if (ret) {
@@ -255,6 +253,8 @@
goto fail_put_node;
}
+ of_node_put(opp_data->opp_node);
+
register_cpufreq_dt:
platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
diff --git a/drivers/cpufreq/unicore2-cpufreq.c b/drivers/cpufreq/unicore2-cpufreq.c
index 6f9dfa8..db62d98 100644
--- a/drivers/cpufreq/unicore2-cpufreq.c
+++ b/drivers/cpufreq/unicore2-cpufreq.c
@@ -58,13 +58,12 @@
policy->min = policy->cpuinfo.min_freq = 250000;
policy->max = policy->cpuinfo.max_freq = 1000000;
- policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
policy->clk = clk_get(NULL, "MAIN_CLK");
return PTR_ERR_OR_ZERO(policy->clk);
}
static struct cpufreq_driver ucv2_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,
.verify = ucv2_verify_speed,
.target = ucv2_target,
.get = cpufreq_generic_get,
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index 3ba81b1..0b67a05 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -5,6 +5,7 @@
obj-y += cpuidle.o driver.o governor.o sysfs.o governors/
obj-$(CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED) += coupled.o
obj-$(CONFIG_DT_IDLE_STATES) += dt_idle_states.o
+obj-$(CONFIG_ARCH_HAS_CPU_RELAX) += poll_state.o
##################################################################################
# ARM SoC drivers
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 37b0698..42896a6 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -235,6 +235,7 @@
return -1;
}
+extern u32 pnv_get_supported_cpuidle_states(void);
static int powernv_add_idle_states(void)
{
struct device_node *power_mgt;
@@ -248,6 +249,8 @@
const char *names[CPUIDLE_STATE_MAX];
u32 has_stop_states = 0;
int i, rc;
+ u32 supported_flags = pnv_get_supported_cpuidle_states();
+
/* Currently we have snooze statically defined */
@@ -362,6 +365,13 @@
for (i = 0; i < dt_idle_states; i++) {
unsigned int exit_latency, target_residency;
bool stops_timebase = false;
+
+ /*
+ * Skip the platform idle state whose flag isn't in
+ * the supported_cpuidle_states flag mask.
+ */
+ if ((flags[i] & supported_flags) != flags[i])
+ continue;
/*
* If an idle state has exit latency beyond
* POWERNV_THRESHOLD_LATENCY_NS then don't use it
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index e53fb86..dc32f34 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -179,36 +179,6 @@
}
}
-#ifdef CONFIG_ARCH_HAS_CPU_RELAX
-static int __cpuidle poll_idle(struct cpuidle_device *dev,
- struct cpuidle_driver *drv, int index)
-{
- local_irq_enable();
- if (!current_set_polling_and_test()) {
- while (!need_resched())
- cpu_relax();
- }
- current_clr_polling();
-
- return index;
-}
-
-static void poll_idle_init(struct cpuidle_driver *drv)
-{
- struct cpuidle_state *state = &drv->states[0];
-
- snprintf(state->name, CPUIDLE_NAME_LEN, "POLL");
- snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE");
- state->exit_latency = 0;
- state->target_residency = 0;
- state->power_usage = -1;
- state->enter = poll_idle;
- state->disabled = false;
-}
-#else
-static void poll_idle_init(struct cpuidle_driver *drv) {}
-#endif /* !CONFIG_ARCH_HAS_CPU_RELAX */
-
/**
* __cpuidle_register_driver: register the driver
* @drv: a valid pointer to a struct cpuidle_driver
@@ -246,8 +216,6 @@
on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
(void *)1, 1);
- poll_idle_init(drv);
-
return 0;
}
diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c
index 5ba9fab..53342b7 100644
--- a/drivers/cpuidle/dt_idle_states.c
+++ b/drivers/cpuidle/dt_idle_states.c
@@ -53,16 +53,16 @@
err = of_property_read_u32(state_node, "entry-latency-us",
&entry_latency);
if (err) {
- pr_debug(" * %s missing entry-latency-us property\n",
- state_node->full_name);
+ pr_debug(" * %pOF missing entry-latency-us property\n",
+ state_node);
return -EINVAL;
}
err = of_property_read_u32(state_node, "exit-latency-us",
&exit_latency);
if (err) {
- pr_debug(" * %s missing exit-latency-us property\n",
- state_node->full_name);
+ pr_debug(" * %pOF missing exit-latency-us property\n",
+ state_node);
return -EINVAL;
}
/*
@@ -75,8 +75,8 @@
err = of_property_read_u32(state_node, "min-residency-us",
&idle_state->target_residency);
if (err) {
- pr_debug(" * %s missing min-residency-us property\n",
- state_node->full_name);
+ pr_debug(" * %pOF missing min-residency-us property\n",
+ state_node);
return -EINVAL;
}
@@ -186,8 +186,8 @@
}
if (!idle_state_valid(state_node, i, cpumask)) {
- pr_warn("%s idle state not valid, bailing out\n",
- state_node->full_name);
+ pr_warn("%pOF idle state not valid, bailing out\n",
+ state_node);
err = -EINVAL;
break;
}
@@ -200,8 +200,8 @@
idle_state = &drv->states[state_idx++];
err = init_state_node(idle_state, matches, state_node);
if (err) {
- pr_err("Parsing idle state node %s failed with err %d\n",
- state_node->full_name, err);
+ pr_err("Parsing idle state node %pOF failed with err %d\n",
+ state_node, err);
err = -EINVAL;
break;
}
diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c
index ac321f0..ce1a2ff 100644
--- a/drivers/cpuidle/governors/ladder.c
+++ b/drivers/cpuidle/governors/ladder.c
@@ -69,6 +69,7 @@
struct ladder_device *ldev = this_cpu_ptr(&ladder_devices);
struct ladder_device_state *last_state;
int last_residency, last_idx = ldev->last_state_idx;
+ int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0;
int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
/* Special case when user has set very strict latency requirement */
@@ -96,13 +97,13 @@
}
/* consider demotion */
- if (last_idx > CPUIDLE_DRIVER_STATE_START &&
+ if (last_idx > first_idx &&
(drv->states[last_idx].disabled ||
dev->states_usage[last_idx].disable ||
drv->states[last_idx].exit_latency > latency_req)) {
int i;
- for (i = last_idx - 1; i > CPUIDLE_DRIVER_STATE_START; i--) {
+ for (i = last_idx - 1; i > first_idx; i--) {
if (drv->states[i].exit_latency <= latency_req)
break;
}
@@ -110,7 +111,7 @@
return i;
}
- if (last_idx > CPUIDLE_DRIVER_STATE_START &&
+ if (last_idx > first_idx &&
last_residency < last_state->threshold.demotion_time) {
last_state->stats.demotion_count++;
last_state->stats.promotion_count = 0;
@@ -133,13 +134,14 @@
struct cpuidle_device *dev)
{
int i;
+ int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0;
struct ladder_device *ldev = &per_cpu(ladder_devices, dev->cpu);
struct ladder_device_state *lstate;
struct cpuidle_state *state;
- ldev->last_state_idx = CPUIDLE_DRIVER_STATE_START;
+ ldev->last_state_idx = first_idx;
- for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
+ for (i = first_idx; i < drv->state_count; i++) {
state = &drv->states[i];
lstate = &ldev->states[i];
@@ -151,7 +153,7 @@
if (i < drv->state_count - 1)
lstate->threshold.promotion_time = state->exit_latency;
- if (i > CPUIDLE_DRIVER_STATE_START)
+ if (i > first_idx)
lstate->threshold.demotion_time = state->exit_latency;
}
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 61b64c2..48eaf28 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -324,8 +324,9 @@
expected_interval = get_typical_interval(data);
expected_interval = min(expected_interval, data->next_timer_us);
- if (CPUIDLE_DRIVER_STATE_START > 0) {
- struct cpuidle_state *s = &drv->states[CPUIDLE_DRIVER_STATE_START];
+ first_idx = 0;
+ if (drv->states[0].flags & CPUIDLE_FLAG_POLLING) {
+ struct cpuidle_state *s = &drv->states[1];
unsigned int polling_threshold;
/*
@@ -336,12 +337,8 @@
polling_threshold = max_t(unsigned int, 20, s->target_residency);
if (data->next_timer_us > polling_threshold &&
latency_req > s->exit_latency && !s->disabled &&
- !dev->states_usage[CPUIDLE_DRIVER_STATE_START].disable)
- first_idx = CPUIDLE_DRIVER_STATE_START;
- else
- first_idx = CPUIDLE_DRIVER_STATE_START - 1;
- } else {
- first_idx = 0;
+ !dev->states_usage[1].disable)
+ first_idx = 1;
}
/*
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c
new file mode 100644
index 0000000..7416b16
--- /dev/null
+++ b/drivers/cpuidle/poll_state.c
@@ -0,0 +1,37 @@
+/*
+ * poll_state.c - Polling idle state
+ *
+ * This file is released under the GPLv2.
+ */
+
+#include <linux/cpuidle.h>
+#include <linux/sched.h>
+#include <linux/sched/idle.h>
+
+static int __cpuidle poll_idle(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
+{
+ local_irq_enable();
+ if (!current_set_polling_and_test()) {
+ while (!need_resched())
+ cpu_relax();
+ }
+ current_clr_polling();
+
+ return index;
+}
+
+void cpuidle_poll_state_init(struct cpuidle_driver *drv)
+{
+ struct cpuidle_state *state = &drv->states[0];
+
+ snprintf(state->name, CPUIDLE_NAME_LEN, "POLL");
+ snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE");
+ state->exit_latency = 0;
+ state->target_residency = 0;
+ state->power_usage = -1;
+ state->enter = poll_idle;
+ state->disabled = false;
+ state->flags = CPUIDLE_FLAG_POLLING;
+}
+EXPORT_SYMBOL_GPL(cpuidle_poll_state_init);
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 193204d..4b75084 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -655,7 +655,7 @@
config CRYPTO_DEV_BCM_SPU
tristate "Broadcom symmetric crypto/hash acceleration support"
depends on ARCH_BCM_IPROC
- depends on BCM_PDC_MBOX
+ depends on MAILBOX
default m
select CRYPTO_DES
select CRYPTO_MD5
diff --git a/drivers/crypto/bcm/spu2.c b/drivers/crypto/bcm/spu2.c
index ef04c97..bf7ac62 100644
--- a/drivers/crypto/bcm/spu2.c
+++ b/drivers/crypto/bcm/spu2.c
@@ -302,6 +302,7 @@
break;
case HASH_ALG_SHA3_512:
*spu2_type = SPU2_HASH_TYPE_SHA3_512;
+ break;
case HASH_ALG_LAST:
default:
err = -EINVAL;
diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c
index ae44a46..9ccefb9 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_main.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_main.c
@@ -18,8 +18,9 @@
#define SE_GROUP 0
#define DRIVER_VERSION "1.0"
+#define FW_DIR "cavium/"
/* SE microcode */
-#define SE_FW "cnn55xx_se.fw"
+#define SE_FW FW_DIR "cnn55xx_se.fw"
static const char nitrox_driver_name[] = "CNN55XX";
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index e7f87ac..1fabd4a 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -773,7 +773,6 @@
struct device *dev = &pdev->dev;
struct resource *res;
struct safexcel_crypto_priv *priv;
- u64 dma_mask;
int i, ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -802,9 +801,7 @@
return -EPROBE_DEFER;
}
- if (of_property_read_u64(dev->of_node, "dma-mask", &dma_mask))
- dma_mask = DMA_BIT_MASK(64);
- ret = dma_set_mask_and_coherent(dev, dma_mask);
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
if (ret)
goto err_clk;
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 8527a58..3f81939 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -883,10 +883,7 @@
if (ret)
return ret;
- memcpy(ctx->ipad, &istate.state, SHA1_DIGEST_SIZE);
- memcpy(ctx->opad, &ostate.state, SHA1_DIGEST_SIZE);
-
- for (i = 0; i < ARRAY_SIZE(istate.state); i++) {
+ for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++) {
if (ctx->ipad[i] != le32_to_cpu(istate.state[i]) ||
ctx->opad[i] != le32_to_cpu(ostate.state[i])) {
ctx->base.needs_inv = true;
@@ -894,6 +891,9 @@
}
}
+ memcpy(ctx->ipad, &istate.state, SHA1_DIGEST_SIZE);
+ memcpy(ctx->opad, &ostate.state, SHA1_DIGEST_SIZE);
+
return 0;
}
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 427cbe0..dadc4a8 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -1073,7 +1073,7 @@
req_ctx->hmac_virt = dma_pool_alloc(buffer_pool, flags,
&crypt->icv_rev_aes);
if (unlikely(!req_ctx->hmac_virt))
- goto free_buf_src;
+ goto free_buf_dst;
if (!encrypt) {
scatterwalk_map_and_copy(req_ctx->hmac_virt,
req->src, cryptlen, authsize, 0);
@@ -1088,10 +1088,10 @@
BUG_ON(qmgr_stat_overflow(SEND_QID));
return -EINPROGRESS;
-free_buf_src:
- free_buf_chain(dev, req_ctx->src, crypt->src_buf);
free_buf_dst:
free_buf_chain(dev, req_ctx->dst, crypt->dst_buf);
+free_buf_src:
+ free_buf_chain(dev, req_ctx->src, crypt->src_buf);
crypt->ctl_flags = CTL_FLAG_UNUSED;
return -ENOMEM;
}
diff --git a/drivers/dax/device-dax.h b/drivers/dax/device-dax.h
index fdcd976..688b051 100644
--- a/drivers/dax/device-dax.h
+++ b/drivers/dax/device-dax.h
@@ -21,5 +21,5 @@
int region_id, struct resource *res, unsigned int align,
void *addr, unsigned long flags);
struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region,
- struct resource *res, int count);
+ int id, struct resource *res, int count);
#endif /* __DEVICE_DAX_H__ */
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index 12943d1..e9f3b3e 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -529,7 +529,8 @@
struct dax_region *dax_region = dev_dax->region;
struct dax_device *dax_dev = dev_dax->dax_dev;
- ida_simple_remove(&dax_region->ida, dev_dax->id);
+ if (dev_dax->id >= 0)
+ ida_simple_remove(&dax_region->ida, dev_dax->id);
dax_region_put(dax_region);
put_dax(dax_dev);
kfree(dev_dax);
@@ -559,7 +560,7 @@
}
struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region,
- struct resource *res, int count)
+ int id, struct resource *res, int count)
{
struct device *parent = dax_region->dev;
struct dax_device *dax_dev;
@@ -567,7 +568,10 @@
struct inode *inode;
struct device *dev;
struct cdev *cdev;
- int rc = 0, i;
+ int rc, i;
+
+ if (!count)
+ return ERR_PTR(-EINVAL);
dev_dax = kzalloc(sizeof(*dev_dax) + sizeof(*res) * count, GFP_KERNEL);
if (!dev_dax)
@@ -587,10 +591,16 @@
if (i < count)
goto err_id;
- dev_dax->id = ida_simple_get(&dax_region->ida, 0, 0, GFP_KERNEL);
- if (dev_dax->id < 0) {
- rc = dev_dax->id;
- goto err_id;
+ if (id < 0) {
+ id = ida_simple_get(&dax_region->ida, 0, 0, GFP_KERNEL);
+ dev_dax->id = id;
+ if (id < 0) {
+ rc = id;
+ goto err_id;
+ }
+ } else {
+ /* region provider owns @id lifetime */
+ dev_dax->id = -1;
}
/*
@@ -598,8 +608,10 @@
* device outside of mmap of the resulting character device.
*/
dax_dev = alloc_dax(dev_dax, NULL, NULL);
- if (!dax_dev)
+ if (!dax_dev) {
+ rc = -ENOMEM;
goto err_dax;
+ }
/* from here on we're committed to teardown via dax_dev_release() */
dev = &dev_dax->dev;
@@ -620,7 +632,7 @@
dev->parent = parent;
dev->groups = dax_attribute_groups;
dev->release = dev_dax_release;
- dev_set_name(dev, "dax%d.%d", dax_region->id, dev_dax->id);
+ dev_set_name(dev, "dax%d.%d", dax_region->id, id);
rc = cdev_device_add(cdev, dev);
if (rc) {
@@ -636,7 +648,8 @@
return dev_dax;
err_dax:
- ida_simple_remove(&dax_region->ida, dev_dax->id);
+ if (dev_dax->id >= 0)
+ ida_simple_remove(&dax_region->ida, dev_dax->id);
err_id:
kfree(dev_dax);
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index 9f2a0b4..8d8c852 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -58,13 +58,12 @@
static int dax_pmem_probe(struct device *dev)
{
- int rc;
void *addr;
struct resource res;
+ int rc, id, region_id;
struct nd_pfn_sb *pfn_sb;
struct dev_dax *dev_dax;
struct dax_pmem *dax_pmem;
- struct nd_region *nd_region;
struct nd_namespace_io *nsio;
struct dax_region *dax_region;
struct nd_namespace_common *ndns;
@@ -123,14 +122,17 @@
/* adjust the dax_region resource to the start of data */
res.start += le64_to_cpu(pfn_sb->dataoff);
- nd_region = to_nd_region(dev->parent);
- dax_region = alloc_dax_region(dev, nd_region->id, &res,
+ rc = sscanf(dev_name(&ndns->dev), "namespace%d.%d", ®ion_id, &id);
+ if (rc != 2)
+ return -EINVAL;
+
+ dax_region = alloc_dax_region(dev, region_id, &res,
le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP);
if (!dax_region)
return -ENOMEM;
/* TODO: support for subdividing a dax region... */
- dev_dax = devm_create_dev_dax(dax_region, &res, 1);
+ dev_dax = devm_create_dev_dax(dax_region, id, &res, 1);
/* child dev_dax instances now own the lifetime of the dax_region */
dax_region_put(dax_region);
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index ce9e563..938eb48 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -278,6 +278,12 @@
}
EXPORT_SYMBOL_GPL(dax_write_cache);
+bool dax_write_cache_enabled(struct dax_device *dax_dev)
+{
+ return test_bit(DAXDEV_WRITE_CACHE, &dax_dev->flags);
+}
+EXPORT_SYMBOL_GPL(dax_write_cache_enabled);
+
bool dax_alive(struct dax_device *dax_dev)
{
lockdep_assert_held(&dax_srcu);
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 57da14c..56e0a0e 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -75,11 +75,6 @@
if (WARN_ON(!fence))
return -EINVAL;
- if (!ktime_to_ns(fence->timestamp)) {
- fence->timestamp = ktime_get();
- smp_mb__before_atomic();
- }
-
if (test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
ret = -EINVAL;
@@ -87,8 +82,11 @@
* we might have raced with the unlocked dma_fence_signal,
* still run through all callbacks
*/
- } else
+ } else {
+ fence->timestamp = ktime_get();
+ set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
trace_dma_fence_signaled(fence);
+ }
list_for_each_entry_safe(cur, tmp, &fence->cb_list, node) {
list_del_init(&cur->node);
@@ -115,14 +113,11 @@
if (!fence)
return -EINVAL;
- if (!ktime_to_ns(fence->timestamp)) {
- fence->timestamp = ktime_get();
- smp_mb__before_atomic();
- }
-
if (test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
return -EINVAL;
+ fence->timestamp = ktime_get();
+ set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
trace_dma_fence_signaled(fence);
if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &fence->flags)) {
diff --git a/drivers/dma-buf/sync_debug.c b/drivers/dma-buf/sync_debug.c
index 82a6e7f..59a3b2f8 100644
--- a/drivers/dma-buf/sync_debug.c
+++ b/drivers/dma-buf/sync_debug.c
@@ -84,7 +84,7 @@
show ? "_" : "",
sync_status_str(status));
- if (status) {
+ if (test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags)) {
struct timespec64 ts64 =
ktime_to_timespec64(fence->timestamp);
diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
index 545e2c5..66fb40d 100644
--- a/drivers/dma-buf/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
@@ -304,7 +304,7 @@
{
struct sync_file *sync_file = file->private_data;
- if (test_bit(POLL_ENABLED, &sync_file->fence->flags))
+ if (test_bit(POLL_ENABLED, &sync_file->flags))
dma_fence_remove_callback(sync_file->fence, &sync_file->cb);
dma_fence_put(sync_file->fence);
kfree(sync_file);
@@ -318,7 +318,8 @@
poll_wait(file, &sync_file->wq, wait);
- if (!test_and_set_bit(POLL_ENABLED, &sync_file->fence->flags)) {
+ if (list_empty(&sync_file->cb.node) &&
+ !test_and_set_bit(POLL_ENABLED, &sync_file->flags)) {
if (dma_fence_add_callback(sync_file->fence, &sync_file->cb,
fence_check_cb_func) < 0)
wake_up_all(&sync_file->wq);
@@ -391,7 +392,13 @@
sizeof(info->driver_name));
info->status = dma_fence_get_status(fence);
- info->timestamp_ns = ktime_to_ns(fence->timestamp);
+ while (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) &&
+ !test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags))
+ cpu_relax();
+ info->timestamp_ns =
+ test_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags) ?
+ ktime_to_ns(fence->timestamp) :
+ ktime_set(0, 0);
}
static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
index b10cbaa..b26256f 100644
--- a/drivers/dma/tegra210-adma.c
+++ b/drivers/dma/tegra210-adma.c
@@ -717,8 +717,8 @@
tdc->chan_addr = tdma->base_addr + ADMA_CH_REG_OFFSET(i);
tdc->irq = of_irq_get(pdev->dev.of_node, i);
- if (tdc->irq < 0) {
- ret = tdc->irq;
+ if (tdc->irq <= 0) {
+ ret = tdc->irq ?: -ENXIO;
goto irq_dispose;
}
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index a485864..06432d8 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -532,7 +532,7 @@
return (x & FSI_SMODE_SID_MASK) << FSI_SMODE_SID_SHIFT;
}
-static const uint32_t fsi_slave_smode(int id)
+static uint32_t fsi_slave_smode(int id)
{
return FSI_SMODE_WSC | FSI_SMODE_ECRC
| fsi_smode_sid(id)
@@ -883,17 +883,16 @@
};
EXPORT_SYMBOL_GPL(fsi_bus_type);
-static int fsi_init(void)
+static int __init fsi_init(void)
{
return bus_register(&fsi_bus_type);
}
+postcore_initcall(fsi_init);
static void fsi_exit(void)
{
bus_unregister(&fsi_bus_type);
}
-
-module_init(fsi_init);
module_exit(fsi_exit);
module_param(discard_errors, int, 0664);
MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f235eae..461d6fc 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -504,6 +504,7 @@
depends on ARCH_XGENE && OF_GPIO
select GPIO_GENERIC
select GPIOLIB_IRQCHIP
+ select IRQ_DOMAIN_HIERARCHY
help
This driver supports the GPIO block within the APM X-Gene
Standby Domain. Say yes here to enable the GPIO functionality.
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index fb8d304..0ecd236 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -132,7 +132,7 @@
if (!p)
return -ENOMEM;
- ret = device_property_read_u32(&pdev->dev, "linux,first-pin",
+ ret = device_property_read_u32(&pdev->dev, "exar,first-pin",
&first_pin);
if (ret)
return ret;
diff --git a/drivers/gpio/gpio-lp87565.c b/drivers/gpio/gpio-lp87565.c
index 6313c50..a121c8f 100644
--- a/drivers/gpio/gpio-lp87565.c
+++ b/drivers/gpio/gpio-lp87565.c
@@ -26,6 +26,27 @@
struct regmap *map;
};
+static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+ struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+ int ret, val;
+
+ ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
+ if (ret < 0)
+ return ret;
+
+ return !!(val & BIT(offset));
+}
+
+static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
+{
+ struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+
+ regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
+ BIT(offset), value ? BIT(offset) : 0);
+}
+
static int lp87565_gpio_get_direction(struct gpio_chip *chip,
unsigned int offset)
{
@@ -54,30 +75,11 @@
{
struct lp87565_gpio *gpio = gpiochip_get_data(chip);
+ lp87565_gpio_set(chip, offset, value);
+
return regmap_update_bits(gpio->map,
LP87565_REG_GPIO_CONFIG,
- BIT(offset), !value ? BIT(offset) : 0);
-}
-
-static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset)
-{
- struct lp87565_gpio *gpio = gpiochip_get_data(chip);
- int ret, val;
-
- ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val);
- if (ret < 0)
- return ret;
-
- return !!(val & BIT(offset));
-}
-
-static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
-{
- struct lp87565_gpio *gpio = gpiochip_get_data(chip);
-
- regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT,
- BIT(offset), value ? BIT(offset) : 0);
+ BIT(offset), BIT(offset));
}
static int lp87565_gpio_request(struct gpio_chip *gc, unsigned int offset)
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index e338c37..45c65f8 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -557,7 +557,7 @@
edge_cause = mvebu_gpio_read_edge_cause(mvchip);
edge_mask = mvebu_gpio_read_edge_mask(mvchip);
- cause = (data_in ^ level_mask) | (edge_cause & edge_mask);
+ cause = (data_in & level_mask) | (edge_cause & edge_mask);
for (i = 0; i < mvchip->chip.ngpio; i++) {
int irq;
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 3abea3f..9269225 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -424,6 +424,9 @@
return PTR_ERR(port->base);
port->irq_high = platform_get_irq(pdev, 1);
+ if (port->irq_high < 0)
+ port->irq_high = 0;
+
port->irq = platform_get_irq(pdev, 0);
if (port->irq < 0)
return port->irq;
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 88529d3..506c6a6 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -360,7 +360,7 @@
{
int port;
int pin;
- int unmasked = 0;
+ bool unmasked = false;
int gpio;
u32 lvl;
unsigned long sta;
@@ -384,8 +384,8 @@
* before executing the handler so that we don't
* miss edges
*/
- if (lvl & (0x100 << pin)) {
- unmasked = 1;
+ if (!unmasked && lvl & (0x100 << pin)) {
+ unmasked = true;
chained_irq_exit(chip, desc);
}
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 16fe974..fc80add 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -2,6 +2,7 @@
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/sysfs.h>
+#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/gpio/driver.h>
#include <linux/interrupt.h>
@@ -432,6 +433,11 @@
};
ATTRIBUTE_GROUPS(gpiochip);
+static struct gpio_desc *gpio_to_valid_desc(int gpio)
+{
+ return gpio_is_valid(gpio) ? gpio_to_desc(gpio) : NULL;
+}
+
/*
* /sys/class/gpio/export ... write-only
* integer N ... number of GPIO to export (full access)
@@ -450,7 +456,7 @@
if (status < 0)
goto done;
- desc = gpio_to_desc(gpio);
+ desc = gpio_to_valid_desc(gpio);
/* reject invalid GPIOs */
if (!desc) {
pr_warn("%s: invalid GPIO %ld\n", __func__, gpio);
@@ -493,7 +499,7 @@
if (status < 0)
goto done;
- desc = gpio_to_desc(gpio);
+ desc = gpio_to_valid_desc(gpio);
/* reject bogus commands (gpio_unexport ignores them) */
if (!desc) {
pr_warn("%s: invalid GPIO %ld\n", __func__, gpio);
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9568708..cd003b7 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -704,24 +704,23 @@
{
struct lineevent_state *le = p;
struct gpioevent_data ge;
- int ret;
+ int ret, level;
ge.timestamp = ktime_get_real_ns();
+ level = gpiod_get_value_cansleep(le->desc);
if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE
&& le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {
- int level = gpiod_get_value_cansleep(le->desc);
-
if (level)
/* Emit low-to-high event */
ge.id = GPIOEVENT_EVENT_RISING_EDGE;
else
/* Emit high-to-low event */
ge.id = GPIOEVENT_EVENT_FALLING_EDGE;
- } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) {
+ } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && level) {
/* Emit low-to-high event */
ge.id = GPIOEVENT_EVENT_RISING_EDGE;
- } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {
+ } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE && !level) {
/* Emit high-to-low event */
ge.id = GPIOEVENT_EVENT_FALLING_EDGE;
} else {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 5f8ada1..37971d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -101,7 +101,6 @@
if (adev->kfd) {
struct kgd2kfd_shared_resources gpu_resources = {
.compute_vmid_bitmap = 0xFF00,
- .num_mec = adev->gfx.mec.num_mec,
.num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
.num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe
};
@@ -122,7 +121,7 @@
/* According to linux/bitmap.h we shouldn't use bitmap_clear if
* nbits is not compile time constant */
- last_valid_bit = adev->gfx.mec.num_mec
+ last_valid_bit = 1 /* only first MEC can have compute queues */
* adev->gfx.mec.num_pipe_per_mec
* adev->gfx.mec.num_queue_per_pipe;
for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
index f621ee1..5e771bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
@@ -198,12 +198,16 @@
result = idr_find(&fpriv->bo_list_handles, id);
if (result) {
- if (kref_get_unless_zero(&result->refcount))
+ if (kref_get_unless_zero(&result->refcount)) {
+ rcu_read_unlock();
mutex_lock(&result->lock);
- else
+ } else {
+ rcu_read_unlock();
result = NULL;
+ }
+ } else {
+ rcu_read_unlock();
}
- rcu_read_unlock();
return result;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index 38f739f..e1cde6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -147,36 +147,6 @@
}
/**
- * amdgpu_mn_invalidate_page - callback to notify about mm change
- *
- * @mn: our notifier
- * @mn: the mm this callback is about
- * @address: address of invalidate page
- *
- * Invalidation of a single page. Blocks for all BOs mapping it
- * and unmap them by move them into system domain again.
- */
-static void amdgpu_mn_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
- struct interval_tree_node *it;
-
- mutex_lock(&rmn->lock);
-
- it = interval_tree_iter_first(&rmn->objects, address, address);
- if (it) {
- struct amdgpu_mn_node *node;
-
- node = container_of(it, struct amdgpu_mn_node, it);
- amdgpu_mn_invalidate_node(node, address, address);
- }
-
- mutex_unlock(&rmn->lock);
-}
-
-/**
* amdgpu_mn_invalidate_range_start - callback to notify about mm change
*
* @mn: our notifier
@@ -215,7 +185,6 @@
static const struct mmu_notifier_ops amdgpu_mn_ops = {
.release = amdgpu_mn_release,
- .invalidate_page = amdgpu_mn_invalidate_page,
.invalidate_range_start = amdgpu_mn_invalidate_range_start,
};
@@ -359,7 +328,7 @@
head = bo->mn_list.next;
bo->mn = NULL;
- list_del(&bo->mn_list);
+ list_del_init(&bo->mn_list);
if (list_empty(head)) {
struct amdgpu_mn_node *node;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index a689918..c586f44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -244,6 +244,12 @@
struct dma_fence *f = e->fence;
struct amd_sched_fence *s_fence = to_amd_sched_fence(f);
+ if (dma_fence_is_signaled(f)) {
+ hash_del(&e->node);
+ dma_fence_put(f);
+ kmem_cache_free(amdgpu_sync_slab, e);
+ continue;
+ }
if (ring && s_fence) {
/* For fences from the same ring it is sufficient
* when they are scheduled.
@@ -256,13 +262,6 @@
}
}
- if (dma_fence_is_signaled(f)) {
- hash_del(&e->node);
- dma_fence_put(f);
- kmem_cache_free(amdgpu_sync_slab, e);
- continue;
- }
-
return f;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h b/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h
index 18fd01f..003a131 100644
--- a/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h
+++ b/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h
@@ -1,24 +1,25 @@
-
/*
-***************************************************************************************************
-*
-* Trade secret of Advanced Micro Devices, Inc.
-* Copyright (c) 2010 Advanced Micro Devices, Inc. (unpublished)
-*
-* All rights reserved. This notice is intended as a precaution against inadvertent publication and
-* does not imply publication or any waiver of confidentiality. The year included in the foregoing
-* notice is the year of creation of the work.
-*
-***************************************************************************************************
-*/
-/**
-***************************************************************************************************
-* @brief gfx9 Clearstate Definitions
-***************************************************************************************************
-*
-* Do not edit! This is a machine-generated file!
-*
-*/
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
static const unsigned int gfx9_SECT_CONTEXT_def_1[] =
{
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 3a0b69b..c9b9c88 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1475,21 +1475,23 @@
static void gfx_v9_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance)
{
- u32 data = REG_SET_FIELD(0, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES, 1);
+ u32 data;
- if ((se_num == 0xffffffff) && (sh_num == 0xffffffff)) {
- data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_BROADCAST_WRITES, 1);
+ if (instance == 0xffffffff)
+ data = REG_SET_FIELD(0, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES, 1);
+ else
+ data = REG_SET_FIELD(0, GRBM_GFX_INDEX, INSTANCE_INDEX, instance);
+
+ if (se_num == 0xffffffff)
data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES, 1);
- } else if (se_num == 0xffffffff) {
- data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_INDEX, sh_num);
- data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_BROADCAST_WRITES, 1);
- } else if (sh_num == 0xffffffff) {
+ else
+ data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX, se_num);
+
+ if (sh_num == 0xffffffff)
data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_BROADCAST_WRITES, 1);
- data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX, se_num);
- } else {
+ else
data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SH_INDEX, sh_num);
- data = REG_SET_FIELD(data, GRBM_GFX_INDEX, SE_INDEX, se_num);
- }
+
WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, data);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index f45fb0f..4267fa4 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1385,6 +1385,7 @@
amdgpu_program_register_sequence(adev,
pitcairn_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
+ break;
case CHIP_VERDE:
amdgpu_program_register_sequence(adev,
verde_golden_registers,
@@ -1409,6 +1410,7 @@
amdgpu_program_register_sequence(adev,
oland_mgcg_cgcg_init,
(const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
+ break;
case CHIP_HAINAN:
amdgpu_program_register_sequence(adev,
hainan_golden_registers,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 88187bf..3f95f7c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -226,10 +226,6 @@
kfd->shared_resources = *gpu_resources;
- /* We only use the first MEC */
- if (kfd->shared_resources.num_mec > 1)
- kfd->shared_resources.num_mec = 1;
-
/* calculate max size of mqds needed for queues */
size = max_num_of_queues_per_device *
kfd->device_info->mqd_size_aligned;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 955aa30..602769c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -77,13 +77,6 @@
return false;
}
-unsigned int get_mec_num(struct device_queue_manager *dqm)
-{
- BUG_ON(!dqm || !dqm->dev);
-
- return dqm->dev->shared_resources.num_mec;
-}
-
unsigned int get_queues_num(struct device_queue_manager *dqm)
{
BUG_ON(!dqm || !dqm->dev);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index 66b9615..faf820a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -180,7 +180,6 @@
void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops);
void program_sh_mem_settings(struct device_queue_manager *dqm,
struct qcm_process_device *qpd);
-unsigned int get_mec_num(struct device_queue_manager *dqm);
unsigned int get_queues_num(struct device_queue_manager *dqm);
unsigned int get_queues_per_pipe(struct device_queue_manager *dqm);
unsigned int get_pipes_per_mec(struct device_queue_manager *dqm);
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 91ef148..36f3766 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -63,9 +63,6 @@
/* Bit n == 1 means VMID n is available for KFD. */
unsigned int compute_vmid_bitmap;
- /* number of mec available from the hardware */
- uint32_t num_mec;
-
/* number of pipes per mec */
uint32_t num_pipe_per_mec;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index d6f097f..197174e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -2128,15 +2128,9 @@
pp_table->AvfsGbCksOff.m2_shift = 12;
pp_table->AvfsGbCksOff.b_shift = 0;
- for (i = 0; i < dep_table->count; i++) {
- if (dep_table->entries[i].sclk_offset == 0)
- pp_table->StaticVoltageOffsetVid[i] = 248;
- else
- pp_table->StaticVoltageOffsetVid[i] =
- (uint8_t)(dep_table->entries[i].sclk_offset *
- VOLTAGE_VID_OFFSET_SCALE2 /
- VOLTAGE_VID_OFFSET_SCALE1);
- }
+ for (i = 0; i < dep_table->count; i++)
+ pp_table->StaticVoltageOffsetVid[i] =
+ convert_to_vid((uint8_t)(dep_table->entries[i].sclk_offset));
if ((PPREGKEY_VEGA10QUADRATICEQUATION_DFLT !=
data->disp_clk_quad_eqn_a) &&
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 2d51a22..5131bfb 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -597,9 +597,9 @@
static void sii8620_mt_read_devcap_reg_recv(struct sii8620 *ctx,
struct sii8620_mt_msg *msg)
{
- u8 reg = msg->reg[0] & 0x7f;
+ u8 reg = msg->reg[1] & 0x7f;
- if (msg->reg[0] & 0x80)
+ if (msg->reg[1] & 0x80)
ctx->xdevcap[reg] = msg->ret;
else
ctx->devcap[reg] = msg->ret;
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 5c26488..0529e50 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1255,7 +1255,7 @@
/* port@2 is the output port */
ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &tc->panel, NULL);
- if (ret)
+ if (ret && ret != -ENODEV)
return ret;
/* Shut down GPIO is optional */
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index c0f336d..aed25c4 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1655,6 +1655,9 @@
if (config->funcs->atomic_check)
ret = config->funcs->atomic_check(state->dev, state);
+ if (ret)
+ return ret;
+
if (!state->allow_modeset) {
for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
if (drm_atomic_crtc_needs_modeset(crtc_state)) {
@@ -1665,7 +1668,7 @@
}
}
- return ret;
+ return 0;
}
EXPORT_SYMBOL(drm_atomic_check_only);
@@ -2167,10 +2170,10 @@
struct drm_atomic_state *state;
struct drm_modeset_acquire_ctx ctx;
struct drm_plane *plane;
- struct drm_out_fence_state *fence_state = NULL;
+ struct drm_out_fence_state *fence_state;
unsigned plane_mask;
int ret = 0;
- unsigned int i, j, num_fences = 0;
+ unsigned int i, j, num_fences;
/* disallow for drivers not supporting atomic: */
if (!drm_core_check_feature(dev, DRIVER_ATOMIC))
@@ -2211,6 +2214,8 @@
plane_mask = 0;
copied_objs = 0;
copied_props = 0;
+ fence_state = NULL;
+ num_fences = 0;
for (i = 0; i < arg->count_objs; i++) {
uint32_t obj_id, count_props;
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 213fb83..08af8d6 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -544,7 +544,7 @@
DP_DETAILED_CAP_INFO_AVAILABLE;
int clk;
int bpc;
- char id[6];
+ char id[7];
int len;
uint8_t rev[2];
int type = port_cap[0] & DP_DS_PORT_TYPE_MASK;
@@ -583,6 +583,7 @@
seq_puts(m, "\t\tType: N/A\n");
}
+ memset(id, 0, sizeof(id));
drm_dp_downstream_id(aux, id);
seq_printf(m, "\t\tID: %s\n", id);
@@ -591,7 +592,7 @@
seq_printf(m, "\t\tHW: %d.%d\n",
(rev[0] & 0xf0) >> 4, rev[0] & 0xf);
- len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, &rev, 2);
+ len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2);
if (len > 0)
seq_printf(m, "\t\tSW: %d.%d\n", rev[0], rev[1]);
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index bfd237c..ae5f068 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -330,6 +330,13 @@
return false;
}
+ /*
+ * ignore out-of-order messages or messages that are part of a
+ * failed transaction
+ */
+ if (!recv_hdr.somt && !msg->have_somt)
+ return false;
+
/* get length contained in this portion */
msg->curchunk_len = recv_hdr.msg_len;
msg->curchunk_hdrlen = hdrlen;
@@ -2164,7 +2171,7 @@
}
EXPORT_SYMBOL(drm_dp_mst_topology_mgr_resume);
-static void drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)
+static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)
{
int len;
u8 replyblock[32];
@@ -2179,12 +2186,12 @@
replyblock, len);
if (ret != len) {
DRM_DEBUG_KMS("failed to read DPCD down rep %d %d\n", len, ret);
- return;
+ return false;
}
ret = drm_dp_sideband_msg_build(msg, replyblock, len, true);
if (!ret) {
DRM_DEBUG_KMS("sideband msg build failed %d\n", replyblock[0]);
- return;
+ return false;
}
replylen = msg->curchunk_len + msg->curchunk_hdrlen;
@@ -2196,21 +2203,32 @@
ret = drm_dp_dpcd_read(mgr->aux, basereg + curreply,
replyblock, len);
if (ret != len) {
- DRM_DEBUG_KMS("failed to read a chunk\n");
+ DRM_DEBUG_KMS("failed to read a chunk (len %d, ret %d)\n",
+ len, ret);
+ return false;
}
+
ret = drm_dp_sideband_msg_build(msg, replyblock, len, false);
- if (ret == false)
+ if (!ret) {
DRM_DEBUG_KMS("failed to build sideband msg\n");
+ return false;
+ }
+
curreply += len;
replylen -= len;
}
+ return true;
}
static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
{
int ret = 0;
- drm_dp_get_one_sb_msg(mgr, false);
+ if (!drm_dp_get_one_sb_msg(mgr, false)) {
+ memset(&mgr->down_rep_recv, 0,
+ sizeof(struct drm_dp_sideband_msg_rx));
+ return 0;
+ }
if (mgr->down_rep_recv.have_eomt) {
struct drm_dp_sideband_msg_tx *txmsg;
@@ -2266,7 +2284,12 @@
static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
{
int ret = 0;
- drm_dp_get_one_sb_msg(mgr, true);
+
+ if (!drm_dp_get_one_sb_msg(mgr, true)) {
+ memset(&mgr->up_req_recv, 0,
+ sizeof(struct drm_dp_sideband_msg_rx));
+ return 0;
+ }
if (mgr->up_req_recv.have_eomt) {
struct drm_dp_sideband_msg_req_body msg;
@@ -2318,7 +2341,9 @@
DRM_DEBUG_KMS("Got RSN: pn: %d avail_pbn %d\n", msg.u.resource_stat.port_number, msg.u.resource_stat.available_pbn);
}
- drm_dp_put_mst_branch_device(mstb);
+ if (mstb)
+ drm_dp_put_mst_branch_device(mstb);
+
memset(&mgr->up_req_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
}
return ret;
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 8dc1106..cdaac37 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -255,13 +255,13 @@
struct drm_gem_object *obj = ptr;
struct drm_device *dev = obj->dev;
+ if (dev->driver->gem_close_object)
+ dev->driver->gem_close_object(obj, file_priv);
+
if (drm_core_check_feature(dev, DRIVER_PRIME))
drm_gem_remove_prime_handles(obj, file_priv);
drm_vma_node_revoke(&obj->vma_node, file_priv);
- if (dev->driver->gem_close_object)
- dev->driver->gem_close_object(obj, file_priv);
-
drm_gem_object_handle_put_unlocked(obj);
return 0;
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 5dc8c43..e40c12f 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -601,6 +601,7 @@
crtc = drm_crtc_find(dev, plane_req->crtc_id);
if (!crtc) {
+ drm_framebuffer_put(fb);
DRM_DEBUG_KMS("Unknown crtc ID %d\n",
plane_req->crtc_id);
return -ENOENT;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 5bd9316..6463fc2 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -270,8 +270,8 @@
if (ret)
return ret;
- if (r->reloc_offset >= bo->obj->base.size - sizeof(*ptr)) {
- DRM_ERROR("relocation %u outside object", i);
+ if (r->reloc_offset > bo->obj->base.size - sizeof(*ptr)) {
+ DRM_ERROR("relocation %u outside object\n", i);
return -EINVAL;
}
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 1d18534..305dc3d 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -75,6 +75,7 @@
config DRM_EXYNOS_HDMI
bool "HDMI"
depends on DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON
+ select CEC_CORE if CEC_NOTIFIER
help
Choose this option if you want to use Exynos HDMI for DRM.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 35a8dfc..242bd50 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -453,7 +453,6 @@
struct component_match *match;
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
- exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls);
match = exynos_drm_match_add(&pdev->dev);
if (IS_ERR(match))
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index a11b795..b6a46d9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1651,8 +1651,6 @@
return ret;
dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
- if (!dsi->bridge_node)
- return -EINVAL;
return 0;
}
@@ -1687,9 +1685,11 @@
return ret;
}
- bridge = of_drm_find_bridge(dsi->bridge_node);
- if (bridge)
- drm_bridge_attach(encoder, bridge, NULL);
+ if (dsi->bridge_node) {
+ bridge = of_drm_find_bridge(dsi->bridge_node);
+ if (bridge)
+ drm_bridge_attach(encoder, bridge, NULL);
+ }
return mipi_dsi_host_register(&dsi->dsi_host);
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index d48fd7c..73217c28 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -145,13 +145,19 @@
exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
+ const struct drm_format_info *info = drm_get_format_info(dev, mode_cmd);
struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
struct drm_gem_object *obj;
struct drm_framebuffer *fb;
int i;
int ret;
- for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
+ for (i = 0; i < info->num_planes; i++) {
+ unsigned int height = (i == 0) ? mode_cmd->height :
+ DIV_ROUND_UP(mode_cmd->height, info->vsub);
+ unsigned long size = height * mode_cmd->pitches[i] +
+ mode_cmd->offsets[i];
+
obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
if (!obj) {
DRM_ERROR("failed to lookup gem object\n");
@@ -160,6 +166,12 @@
}
exynos_gem[i] = to_exynos_gem(obj);
+
+ if (size > exynos_gem[i]->size) {
+ i++;
+ ret = -EINVAL;
+ goto err;
+ }
}
fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index e457205..16bbee8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -340,16 +340,10 @@
void *data)
{
struct exynos_mic *mic = dev_get_drvdata(dev);
- int ret;
- mic->bridge.funcs = &mic_bridge_funcs;
- mic->bridge.of_node = dev->of_node;
mic->bridge.driver_private = mic;
- ret = drm_bridge_add(&mic->bridge);
- if (ret)
- DRM_ERROR("mic: Failed to add MIC to the global bridge list\n");
- return ret;
+ return 0;
}
static void exynos_mic_unbind(struct device *dev, struct device *master,
@@ -365,8 +359,6 @@
already_disabled:
mutex_unlock(&mic_mutex);
-
- drm_bridge_remove(&mic->bridge);
}
static const struct component_ops exynos_mic_component_ops = {
@@ -461,6 +453,15 @@
platform_set_drvdata(pdev, mic);
+ mic->bridge.funcs = &mic_bridge_funcs;
+ mic->bridge.of_node = dev->of_node;
+
+ ret = drm_bridge_add(&mic->bridge);
+ if (ret) {
+ DRM_ERROR("mic: Failed to add MIC to the global bridge list\n");
+ return ret;
+ }
+
pm_runtime_enable(dev);
ret = component_add(dev, &exynos_mic_component_ops);
@@ -479,8 +480,13 @@
static int exynos_mic_remove(struct platform_device *pdev)
{
+ struct exynos_mic *mic = platform_get_drvdata(pdev);
+
component_del(&pdev->dev, &exynos_mic_component_ops);
pm_runtime_disable(&pdev->dev);
+
+ drm_bridge_remove(&mic->bridge);
+
return 0;
}
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 06bfbe4..d3b69d6 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1501,8 +1501,6 @@
*/
cancel_delayed_work(&hdata->hotplug_work);
cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
-
- hdmiphy_disable(hdata);
}
static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
@@ -1676,7 +1674,7 @@
return hdmi_bridge_init(hdata);
}
-static struct of_device_id hdmi_match_types[] = {
+static const struct of_device_id hdmi_match_types[] = {
{
.compatible = "samsung,exynos4210-hdmi",
.data = &exynos4210_hdmi_driver_data,
@@ -1934,8 +1932,7 @@
return 0;
}
-#ifdef CONFIG_PM
-static int exynos_hdmi_suspend(struct device *dev)
+static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
{
struct hdmi_context *hdata = dev_get_drvdata(dev);
@@ -1944,7 +1941,7 @@
return 0;
}
-static int exynos_hdmi_resume(struct device *dev)
+static int __maybe_unused exynos_hdmi_resume(struct device *dev)
{
struct hdmi_context *hdata = dev_get_drvdata(dev);
int ret;
@@ -1955,7 +1952,6 @@
return 0;
}
-#endif
static const struct dev_pm_ops exynos_hdmi_pm_ops = {
SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 6bed4f3..a998a8d 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1094,28 +1094,28 @@
.atomic_check = mixer_atomic_check,
};
-static struct mixer_drv_data exynos5420_mxr_drv_data = {
+static const struct mixer_drv_data exynos5420_mxr_drv_data = {
.version = MXR_VER_128_0_0_184,
.is_vp_enabled = 0,
};
-static struct mixer_drv_data exynos5250_mxr_drv_data = {
+static const struct mixer_drv_data exynos5250_mxr_drv_data = {
.version = MXR_VER_16_0_33_0,
.is_vp_enabled = 0,
};
-static struct mixer_drv_data exynos4212_mxr_drv_data = {
+static const struct mixer_drv_data exynos4212_mxr_drv_data = {
.version = MXR_VER_0_0_0_16,
.is_vp_enabled = 1,
};
-static struct mixer_drv_data exynos4210_mxr_drv_data = {
+static const struct mixer_drv_data exynos4210_mxr_drv_data = {
.version = MXR_VER_0_0_0_16,
.is_vp_enabled = 1,
.has_sclk = 1,
};
-static struct of_device_id mixer_match_types[] = {
+static const struct of_device_id mixer_match_types[] = {
{
.compatible = "samsung,exynos4210-mixer",
.data = &exynos4210_mxr_drv_data,
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index 713848c..e556a46 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -2714,7 +2714,7 @@
unmap_src:
i915_gem_object_unpin_map(obj);
put_obj:
- i915_gem_object_put(wa_ctx->indirect_ctx.obj);
+ i915_gem_object_put(obj);
return ret;
}
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 2deb05f..7cb0818 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -323,27 +323,27 @@
{
struct intel_gvt_irq *irq = &gvt->irq;
struct intel_vgpu *vgpu;
- bool have_enabled_pipe = false;
int pipe, id;
if (WARN_ON(!mutex_is_locked(&gvt->lock)))
return;
- hrtimer_cancel(&irq->vblank_timer.timer);
-
for_each_active_vgpu(gvt, vgpu, id) {
for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) {
- have_enabled_pipe =
- pipe_is_enabled(vgpu, pipe);
- if (have_enabled_pipe)
- break;
+ if (pipe_is_enabled(vgpu, pipe))
+ goto out;
}
}
- if (have_enabled_pipe)
- hrtimer_start(&irq->vblank_timer.timer,
- ktime_add_ns(ktime_get(), irq->vblank_timer.period),
- HRTIMER_MODE_ABS);
+ /* all the pipes are disabled */
+ hrtimer_cancel(&irq->vblank_timer.timer);
+ return;
+
+out:
+ hrtimer_start(&irq->vblank_timer.timer,
+ ktime_add_ns(ktime_get(), irq->vblank_timer.period),
+ HRTIMER_MODE_ABS);
+
}
static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe)
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 7000505..1648887 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -46,6 +46,8 @@
#define same_context(a, b) (((a)->context_id == (b)->context_id) && \
((a)->lrca == (b)->lrca))
+static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask);
+
static int context_switch_events[] = {
[RCS] = RCS_AS_CONTEXT_SWITCH,
[BCS] = BCS_AS_CONTEXT_SWITCH,
@@ -499,10 +501,10 @@
static int complete_execlist_workload(struct intel_vgpu_workload *workload)
{
struct intel_vgpu *vgpu = workload->vgpu;
- struct intel_vgpu_execlist *execlist =
- &vgpu->execlist[workload->ring_id];
+ int ring_id = workload->ring_id;
+ struct intel_vgpu_execlist *execlist = &vgpu->execlist[ring_id];
struct intel_vgpu_workload *next_workload;
- struct list_head *next = workload_q_head(vgpu, workload->ring_id)->next;
+ struct list_head *next = workload_q_head(vgpu, ring_id)->next;
bool lite_restore = false;
int ret;
@@ -512,10 +514,25 @@
release_shadow_batch_buffer(workload);
release_shadow_wa_ctx(&workload->wa_ctx);
- if (workload->status || vgpu->resetting)
+ if (workload->status || (vgpu->resetting_eng & ENGINE_MASK(ring_id))) {
+ /* if workload->status is not successful means HW GPU
+ * has occurred GPU hang or something wrong with i915/GVT,
+ * and GVT won't inject context switch interrupt to guest.
+ * So this error is a vGPU hang actually to the guest.
+ * According to this we should emunlate a vGPU hang. If
+ * there are pending workloads which are already submitted
+ * from guest, we should clean them up like HW GPU does.
+ *
+ * if it is in middle of engine resetting, the pending
+ * workloads won't be submitted to HW GPU and will be
+ * cleaned up during the resetting process later, so doing
+ * the workload clean up here doesn't have any impact.
+ **/
+ clean_workloads(vgpu, ENGINE_MASK(ring_id));
goto out;
+ }
- if (!list_empty(workload_q_head(vgpu, workload->ring_id))) {
+ if (!list_empty(workload_q_head(vgpu, ring_id))) {
struct execlist_ctx_descriptor_format *this_desc, *next_desc;
next_workload = container_of(next,
diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c
index 5dad929..a26c170 100644
--- a/drivers/gpu/drm/i915/gvt/firmware.c
+++ b/drivers/gpu/drm/i915/gvt/firmware.c
@@ -72,11 +72,13 @@
struct intel_gvt_device_info *info = &gvt->device_info;
struct pci_dev *pdev = gvt->dev_priv->drm.pdev;
struct intel_gvt_mmio_info *e;
+ struct gvt_mmio_block *block = gvt->mmio.mmio_block;
+ int num = gvt->mmio.num_mmio_block;
struct gvt_firmware_header *h;
void *firmware;
void *p;
unsigned long size, crc32_start;
- int i;
+ int i, j;
int ret;
size = sizeof(*h) + info->mmio_size + info->cfg_space_size;
@@ -105,6 +107,13 @@
hash_for_each(gvt->mmio.mmio_info_table, i, e, node)
*(u32 *)(p + e->offset) = I915_READ_NOTRACE(_MMIO(e->offset));
+ for (i = 0; i < num; i++, block++) {
+ for (j = 0; j < block->size; j += 4)
+ *(u32 *)(p + INTEL_GVT_MMIO_OFFSET(block->offset) + j) =
+ I915_READ_NOTRACE(_MMIO(INTEL_GVT_MMIO_OFFSET(
+ block->offset) + j));
+ }
+
memcpy(gvt->firmware.mmio, p, info->mmio_size);
crc32_start = offsetof(struct gvt_firmware_header, crc32) + 4;
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 3a74e79..2964a4d 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -149,7 +149,7 @@
bool active;
bool pv_notified;
bool failsafe;
- bool resetting;
+ unsigned int resetting_eng;
void *sched_data;
struct vgpu_sched_ctl sched_ctl;
@@ -195,6 +195,15 @@
unsigned long vgpu_allocated_fence_num;
};
+/* Special MMIO blocks. */
+struct gvt_mmio_block {
+ unsigned int device;
+ i915_reg_t offset;
+ unsigned int size;
+ gvt_mmio_func read;
+ gvt_mmio_func write;
+};
+
#define INTEL_GVT_MMIO_HASH_BITS 11
struct intel_gvt_mmio {
@@ -214,6 +223,9 @@
/* This reg could be accessed by unaligned address */
#define F_UNALIGN (1 << 6)
+ struct gvt_mmio_block *mmio_block;
+ unsigned int num_mmio_block;
+
DECLARE_HASHTABLE(mmio_info_table, INTEL_GVT_MMIO_HASH_BITS);
unsigned int num_tracked_mmio;
};
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 17febe8..feed992 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -2857,31 +2857,15 @@
return 0;
}
-/* Special MMIO blocks. */
-static struct gvt_mmio_block {
- unsigned int device;
- i915_reg_t offset;
- unsigned int size;
- gvt_mmio_func read;
- gvt_mmio_func write;
-} gvt_mmio_blocks[] = {
- {D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
- {D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
- {D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
- pvinfo_mmio_read, pvinfo_mmio_write},
- {D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
- {D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
- {D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
-};
-
static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
unsigned int offset)
{
unsigned long device = intel_gvt_get_device_type(gvt);
- struct gvt_mmio_block *block = gvt_mmio_blocks;
+ struct gvt_mmio_block *block = gvt->mmio.mmio_block;
+ int num = gvt->mmio.num_mmio_block;
int i;
- for (i = 0; i < ARRAY_SIZE(gvt_mmio_blocks); i++, block++) {
+ for (i = 0; i < num; i++, block++) {
if (!(device & block->device))
continue;
if (offset >= INTEL_GVT_MMIO_OFFSET(block->offset) &&
@@ -2912,6 +2896,17 @@
gvt->mmio.mmio_attribute = NULL;
}
+/* Special MMIO blocks. */
+static struct gvt_mmio_block mmio_blocks[] = {
+ {D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
+ {D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
+ {D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
+ pvinfo_mmio_read, pvinfo_mmio_write},
+ {D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL},
+ {D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL},
+ {D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL},
+};
+
/**
* intel_gvt_setup_mmio_info - setup MMIO information table for GVT device
* @gvt: GVT device
@@ -2951,6 +2946,9 @@
goto err;
}
+ gvt->mmio.mmio_block = mmio_blocks;
+ gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks);
+
gvt_dbg_mmio("traced %u virtual mmio registers\n",
gvt->mmio.num_tracked_mmio);
return 0;
@@ -3030,7 +3028,7 @@
gvt_mmio_func func;
int ret;
- if (WARN_ON(bytes > 4))
+ if (WARN_ON(bytes > 8))
return -EINVAL;
/*
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 4f7057d..22e08eb 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -432,7 +432,8 @@
i915_gem_request_put(fetch_and_zero(&workload->req));
- if (!workload->status && !vgpu->resetting) {
+ if (!workload->status && !(vgpu->resetting_eng &
+ ENGINE_MASK(ring_id))) {
update_guest_context(workload);
for_each_set_bit(event, workload->pending_events,
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 90c14e6..3deadcb 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -480,11 +480,13 @@
{
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
+ unsigned int resetting_eng = dmlr ? ALL_ENGINES : engine_mask;
gvt_dbg_core("------------------------------------------\n");
gvt_dbg_core("resseting vgpu%d, dmlr %d, engine_mask %08x\n",
vgpu->id, dmlr, engine_mask);
- vgpu->resetting = true;
+
+ vgpu->resetting_eng = resetting_eng;
intel_vgpu_stop_schedule(vgpu);
/*
@@ -497,7 +499,7 @@
mutex_lock(&gvt->lock);
}
- intel_vgpu_reset_execlist(vgpu, dmlr ? ALL_ENGINES : engine_mask);
+ intel_vgpu_reset_execlist(vgpu, resetting_eng);
/* full GPU reset or device model level reset */
if (engine_mask == ALL_ENGINES || dmlr) {
@@ -520,7 +522,7 @@
}
}
- vgpu->resetting = false;
+ vgpu->resetting_eng = 0;
gvt_dbg_core("reset vgpu%d done\n", vgpu->id);
gvt_dbg_core("------------------------------------------\n");
}
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 00d8967..d1bd53b 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4580,7 +4580,7 @@
sseu->slice_mask |= BIT(s);
- if (IS_GEN9_BC(dev_priv))
+ if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv))
sseu->subslice_mask =
INTEL_INFO(dev_priv)->sseu.subslice_mask;
diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.c b/drivers/gpu/drm/i915/i915_gem_clflush.c
index 152f16c..348b29a 100644
--- a/drivers/gpu/drm/i915/i915_gem_clflush.c
+++ b/drivers/gpu/drm/i915/i915_gem_clflush.c
@@ -114,7 +114,7 @@
return NOTIFY_DONE;
}
-void i915_gem_clflush_object(struct drm_i915_gem_object *obj,
+bool i915_gem_clflush_object(struct drm_i915_gem_object *obj,
unsigned int flags)
{
struct clflush *clflush;
@@ -128,7 +128,7 @@
*/
if (!i915_gem_object_has_struct_page(obj)) {
obj->cache_dirty = false;
- return;
+ return false;
}
/* If the GPU is snooping the contents of the CPU cache,
@@ -140,7 +140,7 @@
* tracking.
*/
if (!(flags & I915_CLFLUSH_FORCE) && obj->cache_coherent)
- return;
+ return false;
trace_i915_gem_object_clflush(obj);
@@ -179,4 +179,5 @@
}
obj->cache_dirty = false;
+ return true;
}
diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.h b/drivers/gpu/drm/i915/i915_gem_clflush.h
index 2455a78..f390247 100644
--- a/drivers/gpu/drm/i915/i915_gem_clflush.h
+++ b/drivers/gpu/drm/i915/i915_gem_clflush.h
@@ -28,7 +28,7 @@
struct drm_i915_private;
struct drm_i915_gem_object;
-void i915_gem_clflush_object(struct drm_i915_gem_object *obj,
+bool i915_gem_clflush_object(struct drm_i915_gem_object *obj,
unsigned int flags);
#define I915_CLFLUSH_FORCE BIT(0)
#define I915_CLFLUSH_SYNC BIT(1)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 39ed58a..e1e971e 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -688,19 +688,19 @@
}
static bool
-needs_pd_load_pre(struct i915_hw_ppgtt *ppgtt,
- struct intel_engine_cs *engine,
- struct i915_gem_context *to)
+needs_pd_load_pre(struct i915_hw_ppgtt *ppgtt, struct intel_engine_cs *engine)
{
+ struct i915_gem_context *from = engine->legacy_active_context;
+
if (!ppgtt)
return false;
/* Always load the ppgtt on first use */
- if (!engine->legacy_active_context)
+ if (!from)
return true;
/* Same context without new entries, skip */
- if (engine->legacy_active_context == to &&
+ if ((!from->ppgtt || from->ppgtt == ppgtt) &&
!(intel_engine_flag(engine) & ppgtt->pd_dirty_rings))
return false;
@@ -744,7 +744,7 @@
if (skip_rcs_switch(ppgtt, engine, to))
return 0;
- if (needs_pd_load_pre(ppgtt, engine, to)) {
+ if (needs_pd_load_pre(ppgtt, engine)) {
/* Older GENs and non render rings still want the load first,
* "PP_DCLV followed by PP_DIR_BASE register through Load
* Register Immediate commands in Ring Buffer before submitting
@@ -841,7 +841,7 @@
struct i915_hw_ppgtt *ppgtt =
to->ppgtt ?: req->i915->mm.aliasing_ppgtt;
- if (needs_pd_load_pre(ppgtt, engine, to)) {
+ if (needs_pd_load_pre(ppgtt, engine)) {
int ret;
trace_switch_mm(engine, to);
@@ -852,6 +852,7 @@
ppgtt->pd_dirty_rings &= ~intel_engine_flag(engine);
}
+ engine->legacy_active_context = to;
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 054b2e5..e9503f6 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -560,9 +560,6 @@
eb->args->flags |= __EXEC_HAS_RELOC;
}
- entry->flags |= __EXEC_OBJECT_HAS_PIN;
- GEM_BUG_ON(eb_vma_misplaced(entry, vma));
-
if (unlikely(entry->flags & EXEC_OBJECT_NEEDS_FENCE)) {
err = i915_vma_get_fence(vma);
if (unlikely(err)) {
@@ -574,6 +571,9 @@
entry->flags |= __EXEC_OBJECT_HAS_FENCE;
}
+ entry->flags |= __EXEC_OBJECT_HAS_PIN;
+ GEM_BUG_ON(eb_vma_misplaced(entry, vma));
+
return 0;
}
@@ -1458,7 +1458,7 @@
* to read. However, if the array is not writable the user loses
* the updated relocation values.
*/
- if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(urelocs))))
+ if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(*urelocs))))
return -EFAULT;
do {
@@ -1775,7 +1775,7 @@
}
}
- return err ?: have_copy;
+ return err;
}
static int eb_relocate(struct i915_execbuffer *eb)
@@ -1825,7 +1825,7 @@
int err;
for (i = 0; i < count; i++) {
- const struct drm_i915_gem_exec_object2 *entry = &eb->exec[i];
+ struct drm_i915_gem_exec_object2 *entry = &eb->exec[i];
struct i915_vma *vma = exec_to_vma(entry);
struct drm_i915_gem_object *obj = vma->obj;
@@ -1841,12 +1841,14 @@
eb->request->capture_list = capture;
}
+ if (unlikely(obj->cache_dirty && !obj->cache_coherent)) {
+ if (i915_gem_clflush_object(obj, 0))
+ entry->flags &= ~EXEC_OBJECT_ASYNC;
+ }
+
if (entry->flags & EXEC_OBJECT_ASYNC)
goto skip_flushes;
- if (unlikely(obj->cache_dirty && !obj->cache_coherent))
- i915_gem_clflush_object(obj, 0);
-
err = i915_gem_request_await_object
(eb->request, obj, entry->flags & EXEC_OBJECT_WRITE);
if (err)
@@ -2209,7 +2211,7 @@
goto err_unlock;
err = eb_relocate(&eb);
- if (err)
+ if (err) {
/*
* If the user expects the execobject.offset and
* reloc.presumed_offset to be an exact match,
@@ -2218,8 +2220,8 @@
* relocation.
*/
args->flags &= ~__EXEC_HAS_RELOC;
- if (err < 0)
goto err_vma;
+ }
if (unlikely(eb.batch->exec_entry->flags & EXEC_OBJECT_WRITE)) {
DRM_DEBUG("Attempting to use self-modifying batch buffer\n");
diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c
index 7032c54..4dd4c21 100644
--- a/drivers/gpu/drm/i915/i915_gem_render_state.c
+++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
@@ -242,6 +242,10 @@
goto err_unpin;
}
+ ret = req->engine->emit_flush(req, EMIT_INVALIDATE);
+ if (ret)
+ goto err_unpin;
+
ret = req->engine->emit_bb_start(req,
so->batch_offset, so->batch_size,
I915_DISPATCH_SECURE);
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 1032f98..77fb398 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -43,16 +43,21 @@
return true;
case MUTEX_TRYLOCK_FAILED:
+ *unlock = false;
+ preempt_disable();
do {
cpu_relax();
if (mutex_trylock(&dev_priv->drm.struct_mutex)) {
- case MUTEX_TRYLOCK_SUCCESS:
*unlock = true;
- return true;
+ break;
}
} while (!need_resched());
+ preempt_enable();
+ return *unlock;
- return false;
+ case MUTEX_TRYLOCK_SUCCESS:
+ *unlock = true;
+ return true;
}
BUG();
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 9cd22f8..f33d902 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1601,11 +1601,11 @@
u32 *cs;
int i;
- cs = intel_ring_begin(req, n_flex_regs * 2 + 4);
+ cs = intel_ring_begin(req, ARRAY_SIZE(flex_mmio) * 2 + 4);
if (IS_ERR(cs))
return PTR_ERR(cs);
- *cs++ = MI_LOAD_REGISTER_IMM(n_flex_regs + 1);
+ *cs++ = MI_LOAD_REGISTER_IMM(ARRAY_SIZE(flex_mmio) + 1);
*cs++ = i915_mmio_reg_offset(GEN8_OACTXCONTROL);
*cs++ = (dev_priv->perf.oa.period_exponent << GEN8_OA_TIMER_PERIOD_SHIFT) |
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 4a673fc..20cf272 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -284,12 +284,12 @@
static inline void __i915_vma_unpin(struct i915_vma *vma)
{
- GEM_BUG_ON(!i915_vma_is_pinned(vma));
vma->flags--;
}
static inline void i915_vma_unpin(struct i915_vma *vma)
{
+ GEM_BUG_ON(!i915_vma_is_pinned(vma));
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
__i915_vma_unpin(vma);
}
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 639d45c..7ea7fd1 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1120,8 +1120,8 @@
bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
uint8_t aux_channel, ddc_pin;
/* Each DDI port can have more than one value on the "DVO Port" field,
- * so look for all the possible values for each port and abort if more
- * than one is found. */
+ * so look for all the possible values for each port.
+ */
int dvo_ports[][3] = {
{DVO_PORT_HDMIA, DVO_PORT_DPA, -1},
{DVO_PORT_HDMIB, DVO_PORT_DPB, -1},
@@ -1130,7 +1130,10 @@
{DVO_PORT_CRT, DVO_PORT_HDMIE, DVO_PORT_DPE},
};
- /* Find the child device to use, abort if more than one found. */
+ /*
+ * Find the first child device to reference the port, report if more
+ * than one found.
+ */
for (i = 0; i < dev_priv->vbt.child_dev_num; i++) {
it = dev_priv->vbt.child_dev + i;
@@ -1140,11 +1143,11 @@
if (it->common.dvo_port == dvo_ports[port][j]) {
if (child) {
- DRM_DEBUG_KMS("More than one child device for port %c in VBT.\n",
+ DRM_DEBUG_KMS("More than one child device for port %c in VBT, using the first.\n",
port_name(port));
- return;
+ } else {
+ child = it;
}
- child = it;
}
}
}
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index 306c6b0..17c4ae7 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -398,6 +398,7 @@
}
/* Program the max register to clamp values > 1.0. */
+ i = lut_size - 1;
I915_WRITE(PREC_PAL_GC_MAX(pipe, 0),
drm_color_lut_extract(lut[i].red, 16));
I915_WRITE(PREC_PAL_GC_MAX(pipe, 1),
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 80e96f1..d3b3252 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1762,7 +1762,7 @@
if (dev_priv->vbt.edp.low_vswing) {
if (voltage == VOLTAGE_INFO_0_85V) {
*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V);
- return cnl_ddi_translations_dp_0_85V;
+ return cnl_ddi_translations_edp_0_85V;
} else if (voltage == VOLTAGE_INFO_0_95V) {
*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V);
return cnl_ddi_translations_edp_0_95V;
@@ -1896,8 +1896,8 @@
val = I915_READ(CNL_PORT_TX_DW4_LN(port, ln));
val &= ~LOADGEN_SELECT;
- if (((rate < 600000) && (width == 4) && (ln >= 1)) ||
- ((rate < 600000) && (width < 4) && ((ln == 1) || (ln == 2)))) {
+ if ((rate <= 600000 && width == 4 && ln >= 1) ||
+ (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) {
val |= LOADGEN_SELECT;
}
I915_WRITE(CNL_PORT_TX_DW4_LN(port, ln), val);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dec9e58..cc484b5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3427,26 +3427,6 @@
intel_finish_page_flip_cs(dev_priv, crtc->pipe);
}
-static void intel_update_primary_planes(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
-
- for_each_crtc(dev, crtc) {
- struct intel_plane *plane = to_intel_plane(crtc->primary);
- struct intel_plane_state *plane_state =
- to_intel_plane_state(plane->base.state);
-
- if (plane_state->base.visible) {
- trace_intel_update_plane(&plane->base,
- to_intel_crtc(crtc));
-
- plane->update_plane(plane,
- to_intel_crtc_state(crtc->state),
- plane_state);
- }
- }
-}
-
static int
__intel_display_resume(struct drm_device *dev,
struct drm_atomic_state *state,
@@ -3499,6 +3479,19 @@
struct drm_atomic_state *state;
int ret;
+
+ /* reset doesn't touch the display */
+ if (!i915.force_reset_modeset_test &&
+ !gpu_reset_clobbers_display(dev_priv))
+ return;
+
+ /* We have a modeset vs reset deadlock, defensively unbreak it.
+ *
+ * FIXME: We can do a _lot_ better, this is just a first iteration.
+ */
+ i915_gem_set_wedged(dev_priv);
+ DRM_DEBUG_DRIVER("Wedging GPU to avoid deadlocks with pending modeset updates\n");
+
/*
* Need mode_config.mutex so that we don't
* trample ongoing ->detect() and whatnot.
@@ -3512,12 +3505,6 @@
drm_modeset_backoff(ctx);
}
-
- /* reset doesn't touch the display, but flips might get nuked anyway, */
- if (!i915.force_reset_modeset_test &&
- !gpu_reset_clobbers_display(dev_priv))
- return;
-
/*
* Disabling the crtcs gracefully seems nicer. Also the
* g33 docs say we should at least disable all the planes.
@@ -3547,6 +3534,14 @@
struct drm_atomic_state *state = dev_priv->modeset_restore_state;
int ret;
+ /* reset doesn't touch the display */
+ if (!i915.force_reset_modeset_test &&
+ !gpu_reset_clobbers_display(dev_priv))
+ return;
+
+ if (!state)
+ goto unlock;
+
/*
* Flips in the rings will be nuked by the reset,
* so complete all pending flips so that user space
@@ -3558,22 +3553,10 @@
/* reset doesn't touch the display */
if (!gpu_reset_clobbers_display(dev_priv)) {
- if (!state) {
- /*
- * Flips in the rings have been nuked by the reset,
- * so update the base address of all primary
- * planes to the the last fb to make sure we're
- * showing the correct fb after a reset.
- *
- * FIXME: Atomic will make this obsolete since we won't schedule
- * CS-based flips (which might get lost in gpu resets) any more.
- */
- intel_update_primary_planes(dev);
- } else {
- ret = __intel_display_resume(dev, state, ctx);
+ /* for testing only restore the display */
+ ret = __intel_display_resume(dev, state, ctx);
if (ret)
DRM_ERROR("Restoring old state failed with %i\n", ret);
- }
} else {
/*
* The display has been reset as well,
@@ -3597,8 +3580,8 @@
intel_hpd_init(dev_priv);
}
- if (state)
- drm_atomic_state_put(state);
+ drm_atomic_state_put(state);
+unlock:
drm_modeset_drop_locks(ctx);
drm_modeset_acquire_fini(ctx);
mutex_unlock(&dev->mode_config.mutex);
@@ -9117,6 +9100,13 @@
u64 power_domain_mask;
bool active;
+ if (INTEL_GEN(dev_priv) >= 9) {
+ intel_crtc_init_scalers(crtc, pipe_config);
+
+ pipe_config->scaler_state.scaler_id = -1;
+ pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX);
+ }
+
power_domain = POWER_DOMAIN_PIPE(crtc->pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
@@ -9145,13 +9135,6 @@
pipe_config->gamma_mode =
I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK;
- if (INTEL_GEN(dev_priv) >= 9) {
- intel_crtc_init_scalers(crtc, pipe_config);
-
- pipe_config->scaler_state.scaler_id = -1;
- pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX);
- }
-
power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
if (intel_display_power_get_if_enabled(dev_priv, power_domain)) {
power_domain_mask |= BIT_ULL(power_domain);
@@ -9540,7 +9523,16 @@
* On some platforms writing CURCNTR first will also
* cause CURPOS to be armed by the CURBASE write.
* Without the CURCNTR write the CURPOS write would
- * arm itself.
+ * arm itself. Thus we always start the full update
+ * with a CURCNTR write.
+ *
+ * On other platforms CURPOS always requires the
+ * CURBASE write to arm the update. Additonally
+ * a write to any of the cursor register will cancel
+ * an already armed cursor update. Thus leaving out
+ * the CURBASE write after CURPOS could lead to a
+ * cursor that doesn't appear to move, or even change
+ * shape. Thus we always write CURBASE.
*
* CURCNTR and CUR_FBC_CTL are always
* armed by the CURBASE write only.
@@ -9559,6 +9551,7 @@
plane->cursor.cntl = cntl;
} else {
I915_WRITE_FW(CURPOS(pipe), pos);
+ I915_WRITE_FW(CURBASE(pipe), base);
}
POSTING_READ_FW(CURBASE(pipe));
diff --git a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
index 6e09ceb..150a156 100644
--- a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
+++ b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
@@ -46,7 +46,7 @@
struct intel_encoder *encoder = connector->encoder;
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
struct mipi_dsi_device *dsi_device;
- u8 data;
+ u8 data = 0;
enum port port;
/* FIXME: Need to take care of 16 bit brightness level */
diff --git a/drivers/gpu/drm/i915/intel_dsi_vbt.c b/drivers/gpu/drm/i915/intel_dsi_vbt.c
index 7158c7c..91c07b0 100644
--- a/drivers/gpu/drm/i915/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_vbt.c
@@ -306,7 +306,7 @@
if (!gpio_desc) {
gpio_desc = devm_gpiod_get_index(dev_priv->drm.dev,
- "panel", gpio_index,
+ NULL, gpio_index,
value ? GPIOD_OUT_LOW :
GPIOD_OUT_HIGH);
diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c
index 52d5b82..c17ed0e 100644
--- a/drivers/gpu/drm/i915/intel_gvt.c
+++ b/drivers/gpu/drm/i915/intel_gvt.c
@@ -45,7 +45,7 @@
return true;
if (IS_SKYLAKE(dev_priv))
return true;
- if (IS_KABYLAKE(dev_priv) && INTEL_DEVID(dev_priv) == 0x591D)
+ if (IS_KABYLAKE(dev_priv))
return true;
return false;
}
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7404cf2..2afa4da 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1221,6 +1221,14 @@
return ret;
}
+static u8 gtiir[] = {
+ [RCS] = 0,
+ [BCS] = 0,
+ [VCS] = 1,
+ [VCS2] = 1,
+ [VECS] = 3,
+};
+
static int gen8_init_common_ring(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
@@ -1245,9 +1253,22 @@
DRM_DEBUG_DRIVER("Execlists enabled for %s\n", engine->name);
- /* After a GPU reset, we may have requests to replay */
+ GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir));
+
+ /*
+ * Clear any pending interrupt state.
+ *
+ * We do it twice out of paranoia that some of the IIR are double
+ * buffered, and if we only reset it once there may still be
+ * an interrupt pending.
+ */
+ I915_WRITE(GEN8_GT_IIR(gtiir[engine->id]),
+ GT_CONTEXT_SWITCH_INTERRUPT << engine->irq_shift);
+ I915_WRITE(GEN8_GT_IIR(gtiir[engine->id]),
+ GT_CONTEXT_SWITCH_INTERRUPT << engine->irq_shift);
clear_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
+ /* After a GPU reset, we may have requests to replay */
submit = false;
for (n = 0; n < ARRAY_SIZE(engine->execlist_port); n++) {
if (!port_isset(&port[n]))
diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
index 52b3a1f..57ef583 100644
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/intel_lrc.h
@@ -63,7 +63,6 @@
};
/* Logical Rings */
-void intel_logical_ring_stop(struct intel_engine_cs *engine);
void intel_logical_ring_cleanup(struct intel_engine_cs *engine);
int logical_render_ring_init(struct intel_engine_cs *engine);
int logical_xcs_ring_init(struct intel_engine_cs *engine);
diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c
index 5abef482..beb9baa 100644
--- a/drivers/gpu/drm/i915/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/intel_lspcon.c
@@ -210,8 +210,8 @@
struct drm_device *dev = intel_dig_port->base.base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
- if (!IS_GEN9(dev_priv)) {
- DRM_ERROR("LSPCON is supported on GEN9 only\n");
+ if (!HAS_LSPCON(dev_priv)) {
+ DRM_ERROR("LSPCON is not supported on this platform\n");
return false;
}
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 96c2cbd..593349b 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -469,7 +469,7 @@
if (i915.invert_brightness > 0 ||
dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) {
- return panel->backlight.max - val;
+ return panel->backlight.max - val + panel->backlight.min;
}
return val;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 48ea0fc..40b224b 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4463,8 +4463,8 @@
if ((cpp * cstate->base.adjusted_mode.crtc_htotal / 512 < 1) &&
(plane_bytes_per_line / 512 < 1))
selected_result = method2;
- else if ((ddb_allocation && ddb_allocation /
- fixed_16_16_to_u32_round_up(plane_blocks_per_line)) >= 1)
+ else if (ddb_allocation >=
+ fixed_16_16_to_u32_round_up(plane_blocks_per_line))
selected_result = min_fixed_16_16(method1, method2);
else if (latency >= linetime_us)
selected_result = min_fixed_16_16(method1, method2);
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 627e2aa..8cdec45 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -206,7 +206,7 @@
mkwrite_device_info(i915)->ring_mask = BIT(0);
i915->engine[RCS] = mock_engine(i915, "mock");
if (!i915->engine[RCS])
- goto err_dependencies;
+ goto err_priorities;
i915->kernel_context = mock_context(i915, NULL);
if (!i915->kernel_context)
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 4954622..d384598 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -54,7 +54,7 @@
DRM_FORMAT_RGBA8888,
DRM_FORMAT_RGBX8888,
DRM_FORMAT_BGRA8888,
- DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_BGRX8888,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_YUYV,
@@ -545,15 +545,13 @@
return;
}
+ ics = ipu_drm_fourcc_to_colorspace(fb->format->format);
switch (ipu_plane->dp_flow) {
case IPU_DP_FLOW_SYNC_BG:
- ipu_dp_setup_channel(ipu_plane->dp,
- IPUV3_COLORSPACE_RGB,
- IPUV3_COLORSPACE_RGB);
+ ipu_dp_setup_channel(ipu_plane->dp, ics, IPUV3_COLORSPACE_RGB);
ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true);
break;
case IPU_DP_FLOW_SYNC_FG:
- ics = ipu_drm_fourcc_to_colorspace(state->fb->format->format);
ipu_dp_setup_channel(ipu_plane->dp, ics,
IPUV3_COLORSPACE_UNKNOWN);
/* Enable local alpha on partial plane */
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 636031a..8aca202 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -237,7 +237,7 @@
/* port@1 is the output port */
ret = drm_of_find_panel_or_bridge(np, 1, 0, &imxpd->panel, &imxpd->bridge);
- if (ret)
+ if (ret && ret != -ENODEV)
return ret;
imxpd->dev = dev;
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index b638d19..99d39b2 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -5,7 +5,7 @@
depends on ARCH_QCOM || (ARM && COMPILE_TEST)
depends on OF && COMMON_CLK
depends on MMU
- select QCOM_MDT_LOADER
+ select QCOM_MDT_LOADER if ARCH_QCOM
select REGULATOR
select DRM_KMS_HELPER
select DRM_PANEL
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index b4b54f1..f9eae03 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -15,7 +15,7 @@
#include <linux/cpumask.h>
#include <linux/qcom_scm.h>
#include <linux/dma-mapping.h>
-#include <linux/of_reserved_mem.h>
+#include <linux/of_address.h>
#include <linux/soc/qcom/mdt_loader.h>
#include "msm_gem.h"
#include "msm_mmu.h"
@@ -26,16 +26,34 @@
#define GPU_PAS_ID 13
-#if IS_ENABLED(CONFIG_QCOM_MDT_LOADER)
-
static int zap_shader_load_mdt(struct device *dev, const char *fwname)
{
const struct firmware *fw;
+ struct device_node *np;
+ struct resource r;
phys_addr_t mem_phys;
ssize_t mem_size;
void *mem_region = NULL;
int ret;
+ if (!IS_ENABLED(CONFIG_ARCH_QCOM))
+ return -EINVAL;
+
+ np = of_get_child_by_name(dev->of_node, "zap-shader");
+ if (!np)
+ return -ENODEV;
+
+ np = of_parse_phandle(np, "memory-region", 0);
+ if (!np)
+ return -EINVAL;
+
+ ret = of_address_to_resource(np, 0, &r);
+ if (ret)
+ return ret;
+
+ mem_phys = r.start;
+ mem_size = resource_size(&r);
+
/* Request the MDT file for the firmware */
ret = request_firmware(&fw, fwname, dev);
if (ret) {
@@ -51,7 +69,7 @@
}
/* Allocate memory for the firmware image */
- mem_region = dmam_alloc_coherent(dev, mem_size, &mem_phys, GFP_KERNEL);
+ mem_region = memremap(mem_phys, mem_size, MEMREMAP_WC);
if (!mem_region) {
ret = -ENOMEM;
goto out;
@@ -69,16 +87,13 @@
DRM_DEV_ERROR(dev, "Unable to authorize the image\n");
out:
+ if (mem_region)
+ memunmap(mem_region);
+
release_firmware(fw);
return ret;
}
-#else
-static int zap_shader_load_mdt(struct device *dev, const char *fwname)
-{
- return -ENODEV;
-}
-#endif
static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
struct msm_file_private *ctx)
@@ -117,12 +132,10 @@
gpu->funcs->flush(gpu);
}
-struct a5xx_hwcg {
+static const struct {
u32 offset;
u32 value;
-};
-
-static const struct a5xx_hwcg a530_hwcg[] = {
+} a5xx_hwcg[] = {
{REG_A5XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL_SP1, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL_SP2, 0x02222222},
@@ -217,38 +230,16 @@
{REG_A5XX_RBBM_CLOCK_DELAY_VFD, 0x00002222}
};
-static const struct {
- int (*test)(struct adreno_gpu *gpu);
- const struct a5xx_hwcg *regs;
- unsigned int count;
-} a5xx_hwcg_regs[] = {
- { adreno_is_a530, a530_hwcg, ARRAY_SIZE(a530_hwcg), },
-};
-
-static void _a5xx_enable_hwcg(struct msm_gpu *gpu,
- const struct a5xx_hwcg *regs, unsigned int count)
+void a5xx_set_hwcg(struct msm_gpu *gpu, bool state)
{
unsigned int i;
- for (i = 0; i < count; i++)
- gpu_write(gpu, regs[i].offset, regs[i].value);
+ for (i = 0; i < ARRAY_SIZE(a5xx_hwcg); i++)
+ gpu_write(gpu, a5xx_hwcg[i].offset,
+ state ? a5xx_hwcg[i].value : 0);
- gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, 0xAAA8AA00);
- gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, 0x182);
-}
-
-static void a5xx_enable_hwcg(struct msm_gpu *gpu)
-{
- struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(a5xx_hwcg_regs); i++) {
- if (a5xx_hwcg_regs[i].test(adreno_gpu)) {
- _a5xx_enable_hwcg(gpu, a5xx_hwcg_regs[i].regs,
- a5xx_hwcg_regs[i].count);
- return;
- }
- }
+ gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, state ? 0xAAA8AA00 : 0);
+ gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, state ? 0x182 : 0x180);
}
static int a5xx_me_init(struct msm_gpu *gpu)
@@ -377,45 +368,6 @@
return ret;
}
-/* Set up a child device to "own" the zap shader */
-static int a5xx_zap_shader_dev_init(struct device *parent, struct device *dev)
-{
- struct device_node *node;
- int ret;
-
- if (dev->parent)
- return 0;
-
- /* Find the sub-node for the zap shader */
- node = of_get_child_by_name(parent->of_node, "zap-shader");
- if (!node) {
- DRM_DEV_ERROR(parent, "zap-shader not found in device tree\n");
- return -ENODEV;
- }
-
- dev->parent = parent;
- dev->of_node = node;
- dev_set_name(dev, "adreno_zap_shader");
-
- ret = device_register(dev);
- if (ret) {
- DRM_DEV_ERROR(parent, "Couldn't register zap shader device\n");
- goto out;
- }
-
- ret = of_reserved_mem_device_init(dev);
- if (ret) {
- DRM_DEV_ERROR(parent, "Unable to set up the reserved memory\n");
- device_unregister(dev);
- }
-
-out:
- if (ret)
- dev->parent = NULL;
-
- return ret;
-}
-
static int a5xx_zap_shader_init(struct msm_gpu *gpu)
{
static bool loaded;
@@ -444,11 +396,7 @@
return -ENODEV;
}
- ret = a5xx_zap_shader_dev_init(&pdev->dev, &a5xx_gpu->zap_dev);
-
- if (!ret)
- ret = zap_shader_load_mdt(&a5xx_gpu->zap_dev,
- adreno_gpu->info->zapfw);
+ ret = zap_shader_load_mdt(&pdev->dev, adreno_gpu->info->zapfw);
loaded = !ret;
@@ -545,7 +493,7 @@
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL1, 0xA6FFFFFF);
/* Enable HWCG */
- a5xx_enable_hwcg(gpu);
+ a5xx_set_hwcg(gpu, true);
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL2, 0x0000003F);
@@ -691,9 +639,6 @@
DBG("%s", gpu->name);
- if (a5xx_gpu->zap_dev.parent)
- device_unregister(&a5xx_gpu->zap_dev);
-
if (a5xx_gpu->pm4_bo) {
if (a5xx_gpu->pm4_iova)
msm_gem_put_iova(a5xx_gpu->pm4_bo, gpu->aspace);
@@ -920,31 +865,30 @@
0x0000, 0x0002, 0x0004, 0x0020, 0x0022, 0x0026, 0x0029, 0x002B,
0x002E, 0x0035, 0x0038, 0x0042, 0x0044, 0x0044, 0x0047, 0x0095,
0x0097, 0x00BB, 0x03A0, 0x0464, 0x0469, 0x046F, 0x04D2, 0x04D3,
- 0x04E0, 0x0533, 0x0540, 0x0555, 0xF400, 0xF400, 0xF800, 0xF807,
- 0x0800, 0x081A, 0x081F, 0x0841, 0x0860, 0x0860, 0x0880, 0x08A0,
- 0x0B00, 0x0B12, 0x0B15, 0x0B28, 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD,
- 0x0BC0, 0x0BC6, 0x0BD0, 0x0C53, 0x0C60, 0x0C61, 0x0C80, 0x0C82,
- 0x0C84, 0x0C85, 0x0C90, 0x0C98, 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2,
- 0x2180, 0x2185, 0x2580, 0x2585, 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7,
- 0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8, 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8,
- 0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E, 0x2100, 0x211E, 0x2140, 0x2145,
- 0x2500, 0x251E, 0x2540, 0x2545, 0x0D10, 0x0D17, 0x0D20, 0x0D23,
- 0x0D30, 0x0D30, 0x20C0, 0x20C0, 0x24C0, 0x24C0, 0x0E40, 0x0E43,
- 0x0E4A, 0x0E4A, 0x0E50, 0x0E57, 0x0E60, 0x0E7C, 0x0E80, 0x0E8E,
- 0x0E90, 0x0E96, 0x0EA0, 0x0EA8, 0x0EB0, 0x0EB2, 0xE140, 0xE147,
- 0xE150, 0xE187, 0xE1A0, 0xE1A9, 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7,
- 0xE1D0, 0xE1D1, 0xE200, 0xE201, 0xE210, 0xE21C, 0xE240, 0xE268,
- 0xE000, 0xE006, 0xE010, 0xE09A, 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB,
- 0xE100, 0xE105, 0xE380, 0xE38F, 0xE3B0, 0xE3B0, 0xE400, 0xE405,
- 0xE408, 0xE4E9, 0xE4F0, 0xE4F0, 0xE280, 0xE280, 0xE282, 0xE2A3,
- 0xE2A5, 0xE2C2, 0xE940, 0xE947, 0xE950, 0xE987, 0xE9A0, 0xE9A9,
- 0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7, 0xE9D0, 0xE9D1, 0xEA00, 0xEA01,
- 0xEA10, 0xEA1C, 0xEA40, 0xEA68, 0xE800, 0xE806, 0xE810, 0xE89A,
- 0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB, 0xE900, 0xE905, 0xEB80, 0xEB8F,
- 0xEBB0, 0xEBB0, 0xEC00, 0xEC05, 0xEC08, 0xECE9, 0xECF0, 0xECF0,
- 0xEA80, 0xEA80, 0xEA82, 0xEAA3, 0xEAA5, 0xEAC2, 0xA800, 0xA8FF,
- 0xAC60, 0xAC60, 0xB000, 0xB97F, 0xB9A0, 0xB9BF,
- ~0
+ 0x04E0, 0x0533, 0x0540, 0x0555, 0x0800, 0x081A, 0x081F, 0x0841,
+ 0x0860, 0x0860, 0x0880, 0x08A0, 0x0B00, 0x0B12, 0x0B15, 0x0B28,
+ 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD, 0x0BC0, 0x0BC6, 0x0BD0, 0x0C53,
+ 0x0C60, 0x0C61, 0x0C80, 0x0C82, 0x0C84, 0x0C85, 0x0C90, 0x0C98,
+ 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2, 0x2180, 0x2185, 0x2580, 0x2585,
+ 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7, 0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8,
+ 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8, 0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E,
+ 0x2100, 0x211E, 0x2140, 0x2145, 0x2500, 0x251E, 0x2540, 0x2545,
+ 0x0D10, 0x0D17, 0x0D20, 0x0D23, 0x0D30, 0x0D30, 0x20C0, 0x20C0,
+ 0x24C0, 0x24C0, 0x0E40, 0x0E43, 0x0E4A, 0x0E4A, 0x0E50, 0x0E57,
+ 0x0E60, 0x0E7C, 0x0E80, 0x0E8E, 0x0E90, 0x0E96, 0x0EA0, 0x0EA8,
+ 0x0EB0, 0x0EB2, 0xE140, 0xE147, 0xE150, 0xE187, 0xE1A0, 0xE1A9,
+ 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7, 0xE1D0, 0xE1D1, 0xE200, 0xE201,
+ 0xE210, 0xE21C, 0xE240, 0xE268, 0xE000, 0xE006, 0xE010, 0xE09A,
+ 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB, 0xE100, 0xE105, 0xE380, 0xE38F,
+ 0xE3B0, 0xE3B0, 0xE400, 0xE405, 0xE408, 0xE4E9, 0xE4F0, 0xE4F0,
+ 0xE280, 0xE280, 0xE282, 0xE2A3, 0xE2A5, 0xE2C2, 0xE940, 0xE947,
+ 0xE950, 0xE987, 0xE9A0, 0xE9A9, 0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7,
+ 0xE9D0, 0xE9D1, 0xEA00, 0xEA01, 0xEA10, 0xEA1C, 0xEA40, 0xEA68,
+ 0xE800, 0xE806, 0xE810, 0xE89A, 0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB,
+ 0xE900, 0xE905, 0xEB80, 0xEB8F, 0xEBB0, 0xEBB0, 0xEC00, 0xEC05,
+ 0xEC08, 0xECE9, 0xECF0, 0xECF0, 0xEA80, 0xEA80, 0xEA82, 0xEAA3,
+ 0xEAA5, 0xEAC2, 0xA800, 0xA8FF, 0xAC60, 0xAC60, 0xB000, 0xB97F,
+ 0xB9A0, 0xB9BF, ~0
};
static void a5xx_dump(struct msm_gpu *gpu)
@@ -1020,7 +964,14 @@
{
seq_printf(m, "status: %08x\n",
gpu_read(gpu, REG_A5XX_RBBM_STATUS));
+
+ /*
+ * Temporarily disable hardware clock gating before going into
+ * adreno_show to avoid issues while reading the registers
+ */
+ a5xx_set_hwcg(gpu, false);
adreno_show(gpu, m);
+ a5xx_set_hwcg(gpu, true);
}
#endif
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
index 6638bc8..1137092 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
@@ -36,8 +36,6 @@
uint32_t gpmu_dwords;
uint32_t lm_leakage;
-
- struct device zap_dev;
};
#define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base)
@@ -59,5 +57,6 @@
}
bool a5xx_idle(struct msm_gpu *gpu);
+void a5xx_set_hwcg(struct msm_gpu *gpu, bool state);
#endif /* __A5XX_GPU_H__ */
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index f1ab270..7414c6b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -48,8 +48,15 @@
*value = adreno_gpu->base.fast_rate;
return 0;
case MSM_PARAM_TIMESTAMP:
- if (adreno_gpu->funcs->get_timestamp)
- return adreno_gpu->funcs->get_timestamp(gpu, value);
+ if (adreno_gpu->funcs->get_timestamp) {
+ int ret;
+
+ pm_runtime_get_sync(&gpu->pdev->dev);
+ ret = adreno_gpu->funcs->get_timestamp(gpu, value);
+ pm_runtime_put_autosuspend(&gpu->pdev->dev);
+
+ return ret;
+ }
return -EINVAL;
default:
DBG("%s: invalid param: %u", gpu->name, param);
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 9e9c569..c7b612c 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -2137,6 +2137,13 @@
struct msm_dsi_phy_clk_request *clk_req)
{
struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
+ int ret;
+
+ ret = dsi_calc_clk_rate(msm_host);
+ if (ret) {
+ pr_err("%s: unable to calc clk rate, %d\n", __func__, ret);
+ return;
+ }
clk_req->bitclk_rate = msm_host->byte_clk_rate * 8;
clk_req->escclk_rate = msm_host->esc_clk_rate;
@@ -2280,7 +2287,6 @@
struct drm_display_mode *mode)
{
struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
- int ret;
if (msm_host->mode) {
drm_mode_destroy(msm_host->dev, msm_host->mode);
@@ -2293,12 +2299,6 @@
return -ENOMEM;
}
- ret = dsi_calc_clk_rate(msm_host);
- if (ret) {
- pr_err("%s: unable to calc clk rate, %d\n", __func__, ret);
- return ret;
- }
-
return 0;
}
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
index cb5415d..735a87a 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
@@ -221,8 +221,8 @@
struct mdp5_ctl *ctl = mdp5_cstate->ctl;
uint32_t blend_op, fg_alpha, bg_alpha, ctl_blend_flags = 0;
unsigned long flags;
- enum mdp5_pipe stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { SSPP_NONE };
- enum mdp5_pipe r_stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { SSPP_NONE };
+ enum mdp5_pipe stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } };
+ enum mdp5_pipe r_stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } };
int i, plane_cnt = 0;
bool bg_alpha_enabled = false;
u32 mixer_op_mode = 0;
@@ -753,6 +753,7 @@
if (!handle) {
DBG("Cursor off");
cursor_enable = false;
+ mdp5_enable(mdp5_kms);
goto set_cursor;
}
@@ -776,6 +777,8 @@
get_roi(crtc, &roi_w, &roi_h);
+ mdp5_enable(mdp5_kms);
+
mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_STRIDE(lm), stride);
mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_FORMAT(lm),
MDP5_LM_CURSOR_FORMAT_FORMAT(CURSOR_FMT_ARGB8888));
@@ -804,6 +807,7 @@
crtc_flush(crtc, flush_mask);
end:
+ mdp5_disable(mdp5_kms);
if (old_bo) {
drm_flip_work_queue(&mdp5_crtc->unref_cursor_work, old_bo);
/* enable vblank to complete cursor work: */
@@ -836,6 +840,8 @@
get_roi(crtc, &roi_w, &roi_h);
+ mdp5_enable(mdp5_kms);
+
spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(lm),
MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) |
@@ -847,6 +853,8 @@
crtc_flush(crtc, flush_mask);
+ mdp5_disable(mdp5_kms);
+
return 0;
}
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
index 97f3294..70bef51 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c
@@ -299,7 +299,7 @@
struct mdp5_interface *intf = mdp5_encoder->intf;
if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)
- mdp5_cmd_encoder_disable(encoder);
+ mdp5_cmd_encoder_enable(encoder);
else
mdp5_vid_encoder_enable(encoder);
}
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 5d13fa5..1c603ae 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -502,7 +502,7 @@
const char *name, bool mandatory)
{
struct device *dev = &pdev->dev;
- struct clk *clk = devm_clk_get(dev, name);
+ struct clk *clk = msm_clk_get(pdev, name);
if (IS_ERR(clk) && mandatory) {
dev_err(dev, "failed to get %s (%ld)\n", name, PTR_ERR(clk));
return PTR_ERR(clk);
@@ -887,21 +887,21 @@
}
/* mandatory clocks: */
- ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus_clk", true);
+ ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus", true);
if (ret)
goto fail;
- ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface_clk", true);
+ ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface", true);
if (ret)
goto fail;
- ret = get_clk(pdev, &mdp5_kms->core_clk, "core_clk", true);
+ ret = get_clk(pdev, &mdp5_kms->core_clk, "core", true);
if (ret)
goto fail;
- ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync_clk", true);
+ ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync", true);
if (ret)
goto fail;
/* optional clocks: */
- get_clk(pdev, &mdp5_kms->lut_clk, "lut_clk", false);
+ get_clk(pdev, &mdp5_kms->lut_clk, "lut", false);
/* we need to set a default rate before enabling. Set a safe
* rate first, then figure out hw revision, and then set a
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index fe3a4de..61f39c8 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -890,8 +890,8 @@
struct mdp5_hw_pipe *right_hwpipe;
const struct mdp_format *format;
uint32_t nplanes, config = 0;
- struct phase_step step = { 0 };
- struct pixel_ext pe = { 0 };
+ struct phase_step step = { { 0 } };
+ struct pixel_ext pe = { { 0 } };
uint32_t hdecm = 0, vdecm = 0;
uint32_t pix_format;
unsigned int rotation;
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 65f3554..a0c60e7 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -383,8 +383,10 @@
struct page **pages;
vma = add_vma(obj, aspace);
- if (IS_ERR(vma))
- return PTR_ERR(vma);
+ if (IS_ERR(vma)) {
+ ret = PTR_ERR(vma);
+ goto unlock;
+ }
pages = get_pages(obj);
if (IS_ERR(pages)) {
@@ -405,7 +407,7 @@
fail:
del_vma(vma);
-
+unlock:
mutex_unlock(&msm_obj->lock);
return ret;
}
@@ -928,8 +930,12 @@
if (use_vram) {
struct msm_gem_vma *vma;
struct page **pages;
+ struct msm_gem_object *msm_obj = to_msm_bo(obj);
+
+ mutex_lock(&msm_obj->lock);
vma = add_vma(obj, NULL);
+ mutex_unlock(&msm_obj->lock);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto fail;
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index 6bfca74..8a75c0b 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -34,8 +34,8 @@
struct msm_gpu *gpu, uint32_t nr_bos, uint32_t nr_cmds)
{
struct msm_gem_submit *submit;
- uint64_t sz = sizeof(*submit) + (nr_bos * sizeof(submit->bos[0])) +
- (nr_cmds * sizeof(submit->cmd[0]));
+ uint64_t sz = sizeof(*submit) + ((u64)nr_bos * sizeof(submit->bos[0])) +
+ ((u64)nr_cmds * sizeof(submit->cmd[0]));
if (sz > SIZE_MAX)
return NULL;
@@ -451,7 +451,7 @@
if (ret)
goto out;
- if (!(args->fence & MSM_SUBMIT_NO_IMPLICIT)) {
+ if (!(args->flags & MSM_SUBMIT_NO_IMPLICIT)) {
ret = submit_fence_sync(submit);
if (ret)
goto out;
diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
index c36321bc..d34e331 100644
--- a/drivers/gpu/drm/msm/msm_gem_vma.c
+++ b/drivers/gpu/drm/msm/msm_gem_vma.c
@@ -42,7 +42,7 @@
msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
struct msm_gem_vma *vma, struct sg_table *sgt)
{
- if (!vma->iova)
+ if (!aspace || !vma->iova)
return;
if (aspace->mmu) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 147b221..dab78c6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -1158,8 +1158,6 @@
return -ENODEV;
if (WARN_ON(msg->size > 16))
return -E2BIG;
- if (msg->size == 0)
- return msg->size;
ret = nvkm_i2c_aux_acquire(aux);
if (ret)
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 8d1df56..f362c9f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -409,7 +409,6 @@
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_connector *connector;
- struct drm_crtc *crtc;
if (!suspend) {
if (drm_drv_uses_atomic_modeset(dev))
@@ -418,10 +417,6 @@
drm_crtc_force_disable_all(dev);
}
- /* Make sure that drm and hw vblank irqs get properly disabled. */
- drm_for_each_crtc(crtc, dev)
- drm_crtc_vblank_off(crtc);
-
/* disable flip completion events */
nvif_notify_put(&drm->flip);
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index e3132a2..2bc0dc9 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -3674,15 +3674,24 @@
drm_mode_connector_attach_encoder(connector, encoder);
if (dcbe->type == DCB_OUTPUT_DP) {
+ struct nv50_disp *disp = nv50_disp(encoder->dev);
struct nvkm_i2c_aux *aux =
nvkm_i2c_aux_find(i2c, dcbe->i2c_index);
if (aux) {
- nv_encoder->i2c = &nv_connector->aux.ddc;
+ if (disp->disp->oclass < GF110_DISP) {
+ /* HW has no support for address-only
+ * transactions, so we're required to
+ * use custom I2C-over-AUX code.
+ */
+ nv_encoder->i2c = &aux->i2c;
+ } else {
+ nv_encoder->i2c = &nv_connector->aux.ddc;
+ }
nv_encoder->aux = aux;
}
/*TODO: Use DP Info Table to check for support. */
- if (nv50_disp(encoder->dev)->disp->oclass >= GF110_DISP) {
+ if (disp->disp->oclass >= GF110_DISP) {
ret = nv50_mstm_new(nv_encoder, &nv_connector->aux, 16,
nv_connector->base.base.id,
&nv_encoder->dp.mstm);
@@ -3931,6 +3940,8 @@
NV_ATOMIC(drm, "%s: clr %04x (set %04x)\n", crtc->name,
asyh->clr.mask, asyh->set.mask);
+ if (crtc_state->active && !asyh->state.active)
+ drm_crtc_vblank_off(crtc);
if (asyh->clr.mask) {
nv50_head_flush_clr(head, asyh, atom->flush_disable);
@@ -4016,11 +4027,13 @@
nv50_head_flush_set(head, asyh);
interlock_core = 1;
}
- }
- for_each_crtc_in_state(state, crtc, crtc_state, i) {
- if (crtc->state->event)
- drm_crtc_vblank_get(crtc);
+ if (asyh->state.active) {
+ if (!crtc_state->active)
+ drm_crtc_vblank_on(crtc);
+ if (asyh->state.event)
+ drm_crtc_vblank_get(crtc);
+ }
}
/* Update plane(s). */
@@ -4067,12 +4080,14 @@
if (crtc->state->event) {
unsigned long flags;
/* Get correct count/ts if racing with vblank irq */
- drm_accurate_vblank_count(crtc);
+ if (crtc->state->active)
+ drm_accurate_vblank_count(crtc);
spin_lock_irqsave(&crtc->dev->event_lock, flags);
drm_crtc_send_vblank_event(crtc, crtc->state->event);
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
crtc->state->event = NULL;
- drm_crtc_vblank_put(crtc);
+ if (crtc->state->active)
+ drm_crtc_vblank_put(crtc);
}
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
index c7c84d3..88582af 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c
@@ -267,6 +267,8 @@
/* Create output path objects for each VBIOS display path. */
i = -1;
while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) {
+ if (ver < 0x40) /* No support for chipsets prior to NV50. */
+ break;
if (dcbE.type == DCB_OUTPUT_UNUSED)
continue;
if (dcbE.type == DCB_OUTPUT_EOL)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
index a24312f..a1e8bf4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -22,6 +22,7 @@
unsigned proto_evo:4;
enum nvkm_ior_proto {
CRT,
+ TV,
TMDS,
LVDS,
DP,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
index 19c6356..6ea1946 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h
@@ -22,7 +22,7 @@
u8 type[3];
} pior;
- struct nv50_disp_chan *chan[17];
+ struct nv50_disp_chan *chan[21];
};
void nv50_disp_super_1(struct nv50_disp *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
index 85aff85..be9e7f8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c
@@ -62,6 +62,7 @@
case 0:
switch (outp->info.type) {
case DCB_OUTPUT_ANALOG: *type = DAC; return CRT;
+ case DCB_OUTPUT_TV : *type = DAC; return TV;
case DCB_OUTPUT_TMDS : *type = SOR; return TMDS;
case DCB_OUTPUT_LVDS : *type = SOR; return LVDS;
case DCB_OUTPUT_DP : *type = SOR; return DP;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
index c794b2c..6d8f212 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
@@ -129,7 +129,7 @@
if (bar->bar[0].mem) {
addr = nvkm_memory_addr(bar->bar[0].mem) >> 12;
- nvkm_wr32(device, 0x001714, 0xc0000000 | addr);
+ nvkm_wr32(device, 0x001714, 0x80000000 | addr);
}
return 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
index 48f01e4..b768e66 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild
@@ -25,6 +25,7 @@
nvkm-y += nvkm/subdev/i2c/aux.o
nvkm-y += nvkm/subdev/i2c/auxg94.o
+nvkm-y += nvkm/subdev/i2c/auxgf119.o
nvkm-y += nvkm/subdev/i2c/auxgm200.o
nvkm-y += nvkm/subdev/i2c/anx9805.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
index d172e42..4c1f547 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c
@@ -117,6 +117,10 @@
nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *aux, bool retry, u8 type,
u32 addr, u8 *data, u8 *size)
{
+ if (!*size && !aux->func->address_only) {
+ AUX_ERR(aux, "address-only transaction dropped");
+ return -ENOSYS;
+ }
return aux->func->xfer(aux, retry, type, addr, data, size);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
index 27a4a39..9587ab4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h
@@ -3,6 +3,7 @@
#include "pad.h"
struct nvkm_i2c_aux_func {
+ bool address_only;
int (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type,
u32 addr, u8 *data, u8 *size);
int (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw,
@@ -17,7 +18,12 @@
int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type,
u32 addr, u8 *data, u8 *size);
+int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *,
+ int, u8, struct nvkm_i2c_aux **);
+
int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
+int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *);
+int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **);
#define AUX_MSG(b,l,f,a...) do { \
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
index ab8cb19..c8ab1b5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c
@@ -72,7 +72,7 @@
return 0;
}
-static int
+int
g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry,
u8 type, u32 addr, u8 *data, u8 *size)
{
@@ -105,9 +105,9 @@
}
ctrl = nvkm_rd32(device, 0x00e4e4 + base);
- ctrl &= ~0x0001f0ff;
+ ctrl &= ~0x0001f1ff;
ctrl |= type << 12;
- ctrl |= *size - 1;
+ ctrl |= (*size ? (*size - 1) : 0x00000100);
nvkm_wr32(device, 0x00e4e0 + base, addr);
/* (maybe) retry transaction a number of times on failure... */
@@ -160,14 +160,10 @@
return ret < 0 ? ret : (stat & 0x000f0000) >> 16;
}
-static const struct nvkm_i2c_aux_func
-g94_i2c_aux_func = {
- .xfer = g94_i2c_aux_xfer,
-};
-
int
-g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive,
- struct nvkm_i2c_aux **paux)
+g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *func,
+ struct nvkm_i2c_pad *pad, int index, u8 drive,
+ struct nvkm_i2c_aux **paux)
{
struct g94_i2c_aux *aux;
@@ -175,8 +171,20 @@
return -ENOMEM;
*paux = &aux->base;
- nvkm_i2c_aux_ctor(&g94_i2c_aux_func, pad, index, &aux->base);
+ nvkm_i2c_aux_ctor(func, pad, index, &aux->base);
aux->ch = drive;
aux->base.intr = 1 << aux->ch;
return 0;
}
+
+static const struct nvkm_i2c_aux_func
+g94_i2c_aux = {
+ .xfer = g94_i2c_aux_xfer,
+};
+
+int
+g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive,
+ struct nvkm_i2c_aux **paux)
+{
+ return g94_i2c_aux_new_(&g94_i2c_aux, pad, index, drive, paux);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c
new file mode 100644
index 0000000..dab40cd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2017 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "aux.h"
+
+static const struct nvkm_i2c_aux_func
+gf119_i2c_aux = {
+ .address_only = true,
+ .xfer = g94_i2c_aux_xfer,
+};
+
+int
+gf119_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive,
+ struct nvkm_i2c_aux **paux)
+{
+ return g94_i2c_aux_new_(&gf119_i2c_aux, pad, index, drive, paux);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
index ee091fa..7ef6089 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
@@ -105,9 +105,9 @@
}
ctrl = nvkm_rd32(device, 0x00d954 + base);
- ctrl &= ~0x0001f0ff;
+ ctrl &= ~0x0001f1ff;
ctrl |= type << 12;
- ctrl |= *size - 1;
+ ctrl |= (*size ? (*size - 1) : 0x00000100);
nvkm_wr32(device, 0x00d950 + base, addr);
/* (maybe) retry transaction a number of times on failure... */
@@ -162,6 +162,7 @@
static const struct nvkm_i2c_aux_func
gm200_i2c_aux_func = {
+ .address_only = true,
.xfer = gm200_i2c_aux_xfer,
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c
index d53212f..3bc4d031 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c
@@ -28,7 +28,7 @@
static const struct nvkm_i2c_pad_func
gf119_i2c_pad_s_func = {
.bus_new_4 = gf119_i2c_bus_new,
- .aux_new_6 = g94_i2c_aux_new,
+ .aux_new_6 = gf119_i2c_aux_new,
.mode = g94_i2c_pad_mode,
};
@@ -41,7 +41,7 @@
static const struct nvkm_i2c_pad_func
gf119_i2c_pad_x_func = {
.bus_new_4 = gf119_i2c_bus_new,
- .aux_new_6 = g94_i2c_aux_new,
+ .aux_new_6 = gf119_i2c_aux_new,
};
int
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index 699fe7f..a2ab6dc 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -184,7 +184,6 @@
if (rdev->kfd) {
struct kgd2kfd_shared_resources gpu_resources = {
.compute_vmid_bitmap = 0xFF00,
- .num_mec = 1,
.num_pipe_per_mec = 4,
.num_queue_per_pipe = 8
};
diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index 50c41c0..dcc539b 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -5,6 +5,10 @@
select DRM_KMS_HELPER
select DRM_PANEL
select VIDEOMODE_HELPERS
+ select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP
+ select DRM_DW_HDMI if ROCKCHIP_DW_HDMI
+ select DRM_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI
+ select SND_SOC_HDMI_CODEC if ROCKCHIP_CDN_DP && SND_SOC
help
Choose this option if you have a Rockchip soc chipset.
This driver provides kernel mode setting and buffer
@@ -12,10 +16,10 @@
2D or 3D acceleration; acceleration is performed by other
IP found on the SoC.
+if DRM_ROCKCHIP
+
config ROCKCHIP_ANALOGIX_DP
bool "Rockchip specific extensions for Analogix DP driver"
- depends on DRM_ROCKCHIP
- select DRM_ANALOGIX_DP
help
This selects support for Rockchip SoC specific extensions
for the Analogix Core DP driver. If you want to enable DP
@@ -23,9 +27,7 @@
config ROCKCHIP_CDN_DP
bool "Rockchip cdn DP"
- depends on DRM_ROCKCHIP
- depends on EXTCON
- select SND_SOC_HDMI_CODEC if SND_SOC
+ depends on EXTCON=y || (EXTCON=m && DRM_ROCKCHIP=m)
help
This selects support for Rockchip SoC specific extensions
for the cdn DP driver. If you want to enable Dp on
@@ -34,8 +36,6 @@
config ROCKCHIP_DW_HDMI
bool "Rockchip specific extensions for Synopsys DW HDMI"
- depends on DRM_ROCKCHIP
- select DRM_DW_HDMI
help
This selects support for Rockchip SoC specific extensions
for the Synopsys DesignWare HDMI driver. If you want to
@@ -44,8 +44,6 @@
config ROCKCHIP_DW_MIPI_DSI
bool "Rockchip specific extensions for Synopsys DW MIPI DSI"
- depends on DRM_ROCKCHIP
- select DRM_MIPI_DSI
help
This selects support for Rockchip SoC specific extensions
for the Synopsys DesignWare HDMI driver. If you want to
@@ -54,8 +52,9 @@
config ROCKCHIP_INNO_HDMI
bool "Rockchip specific extensions for Innosilicon HDMI"
- depends on DRM_ROCKCHIP
help
This selects support for Rockchip SoC specific extensions
for the Innosilicon HDMI driver. If you want to enable
HDMI on RK3036 based SoC, you should select this option.
+
+endif
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index c6b1b7f..c16bc0a 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -275,11 +275,15 @@
static int rockchip_drm_sys_suspend(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct rockchip_drm_private *priv = drm->dev_private;
+ struct rockchip_drm_private *priv;
+
+ if (!drm)
+ return 0;
drm_kms_helper_poll_disable(drm);
rockchip_drm_fb_suspend(drm);
+ priv = drm->dev_private;
priv->state = drm_atomic_helper_suspend(drm);
if (IS_ERR(priv->state)) {
rockchip_drm_fb_resume(drm);
@@ -293,8 +297,12 @@
static int rockchip_drm_sys_resume(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct rockchip_drm_private *priv = drm->dev_private;
+ struct rockchip_drm_private *priv;
+ if (!drm)
+ return 0;
+
+ priv = drm->dev_private;
drm_atomic_helper_resume(drm, priv->state);
rockchip_drm_fb_resume(drm);
drm_kms_helper_poll_enable(drm);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 5d45033..2900f14 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -500,7 +500,7 @@
static int vop_enable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
- int ret;
+ int ret, i;
ret = pm_runtime_get_sync(vop->dev);
if (ret < 0) {
@@ -533,6 +533,20 @@
}
memcpy(vop->regs, vop->regsbak, vop->len);
+ /*
+ * We need to make sure that all windows are disabled before we
+ * enable the crtc. Otherwise we might try to scan from a destroyed
+ * buffer later.
+ */
+ for (i = 0; i < vop->data->win_size; i++) {
+ struct vop_win *vop_win = &vop->win[i];
+ const struct vop_win_data *win = vop_win->data;
+
+ spin_lock(&vop->reg_lock);
+ VOP_WIN_SET(vop, win, enable, 0);
+ spin_unlock(&vop->reg_lock);
+ }
+
vop_cfg_done(vop);
/*
@@ -566,28 +580,11 @@
static void vop_crtc_disable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
- int i;
WARN_ON(vop->event);
rockchip_drm_psr_deactivate(&vop->crtc);
- /*
- * We need to make sure that all windows are disabled before we
- * disable that crtc. Otherwise we might try to scan from a destroyed
- * buffer later.
- */
- for (i = 0; i < vop->data->win_size; i++) {
- struct vop_win *vop_win = &vop->win[i];
- const struct vop_win_data *win = vop_win->data;
-
- spin_lock(&vop->reg_lock);
- VOP_WIN_SET(vop, win, enable, 0);
- spin_unlock(&vop->reg_lock);
- }
-
- vop_cfg_done(vop);
-
drm_crtc_vblank_off(crtc);
/*
@@ -682,8 +679,10 @@
* Src.x1 can be odd when do clip, but yuv plane start point
* need align with 2 pixel.
*/
- if (is_yuv_support(fb->format->format) && ((state->src.x1 >> 16) % 2))
+ if (is_yuv_support(fb->format->format) && ((state->src.x1 >> 16) % 2)) {
+ DRM_ERROR("Invalid Source: Yuv format not support odd xpos\n");
return -EINVAL;
+ }
return 0;
}
@@ -764,7 +763,7 @@
spin_lock(&vop->reg_lock);
VOP_WIN_SET(vop, win, format, format);
- VOP_WIN_SET(vop, win, yrgb_vir, fb->pitches[0] >> 2);
+ VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4));
VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
if (is_yuv_support(fb->format->format)) {
int hsub = drm_format_horz_chroma_subsampling(fb->format->format);
@@ -778,7 +777,7 @@
offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
dma_addr = rk_uv_obj->dma_addr + offset + fb->offsets[1];
- VOP_WIN_SET(vop, win, uv_vir, fb->pitches[1] >> 2);
+ VOP_WIN_SET(vop, win, uv_vir, DIV_ROUND_UP(fb->pitches[1], 4));
VOP_WIN_SET(vop, win, uv_mst, dma_addr);
}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index 9979fd0..27eefbf 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -282,6 +282,9 @@
act_height = (src_h + vskiplines - 1) / vskiplines;
+ if (act_height == dst_h)
+ return GET_SCL_FT_BILI_DN(src_h, dst_h) / vskiplines;
+
return GET_SCL_FT_BILI_DN(act_height, dst_h);
}
diff --git a/drivers/gpu/drm/stm/Kconfig b/drivers/gpu/drm/stm/Kconfig
index 2c4817f..8fe5b18 100644
--- a/drivers/gpu/drm/stm/Kconfig
+++ b/drivers/gpu/drm/stm/Kconfig
@@ -7,7 +7,6 @@
select DRM_PANEL
select VIDEOMODE_HELPERS
select FB_PROVIDE_GET_FB_UNMAPPED_AREA
- default y
help
Enable support for the on-chip display controller on
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index abc7d8f..a45a627 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -25,12 +25,20 @@
#include "sun4i_framebuffer.h"
#include "sun4i_tcon.h"
+static void sun4i_drv_lastclose(struct drm_device *dev)
+{
+ struct sun4i_drv *drv = dev->dev_private;
+
+ drm_fbdev_cma_restore_mode(drv->fbdev);
+}
+
DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
static struct drm_driver sun4i_drv_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC,
/* Generic Operations */
+ .lastclose = sun4i_drv_lastclose,
.fops = &sun4i_drv_fops,
.name = "sun4i-drm",
.desc = "Allwinner sun4i Display Engine",
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 403bbd5..a12cc7e 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -520,6 +520,34 @@
SCALER_DISPSTATX_EMPTY);
}
+static void vc4_crtc_update_dlist(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
+ struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
+ struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state);
+
+ if (crtc->state->event) {
+ unsigned long flags;
+
+ crtc->state->event->pipe = drm_crtc_index(crtc);
+
+ WARN_ON(drm_crtc_vblank_get(crtc) != 0);
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ vc4_crtc->event = crtc->state->event;
+ crtc->state->event = NULL;
+
+ HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel),
+ vc4_state->mm.start);
+
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ } else {
+ HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel),
+ vc4_state->mm.start);
+ }
+}
+
static void vc4_crtc_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
@@ -530,6 +558,12 @@
require_hvs_enabled(dev);
+ /* Enable vblank irq handling before crtc is started otherwise
+ * drm_crtc_get_vblank() fails in vc4_crtc_update_dlist().
+ */
+ drm_crtc_vblank_on(crtc);
+ vc4_crtc_update_dlist(crtc);
+
/* Turn on the scaler, which will wait for vstart to start
* compositing.
*/
@@ -541,9 +575,6 @@
/* Turn on the pixel valve, which will emit the vstart signal. */
CRTC_WRITE(PV_V_CONTROL,
CRTC_READ(PV_V_CONTROL) | PV_VCONTROL_VIDEN);
-
- /* Enable vblank irq handling after crtc is started. */
- drm_crtc_vblank_on(crtc);
}
static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc,
@@ -598,7 +629,6 @@
{
struct drm_device *dev = crtc->dev;
struct vc4_dev *vc4 = to_vc4_dev(dev);
- struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state);
struct drm_plane *plane;
bool debug_dump_regs = false;
@@ -620,25 +650,15 @@
WARN_ON_ONCE(dlist_next - dlist_start != vc4_state->mm.size);
- if (crtc->state->event) {
- unsigned long flags;
-
- crtc->state->event->pipe = drm_crtc_index(crtc);
-
- WARN_ON(drm_crtc_vblank_get(crtc) != 0);
-
- spin_lock_irqsave(&dev->event_lock, flags);
- vc4_crtc->event = crtc->state->event;
- crtc->state->event = NULL;
-
- HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel),
- vc4_state->mm.start);
-
- spin_unlock_irqrestore(&dev->event_lock, flags);
- } else {
- HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel),
- vc4_state->mm.start);
- }
+ /* Only update DISPLIST if the CRTC was already running and is not
+ * being disabled.
+ * vc4_crtc_enable() takes care of updating the dlist just after
+ * re-enabling VBLANK interrupts and before enabling the engine.
+ * If the CRTC is being disabled, there's no point in updating this
+ * information.
+ */
+ if (crtc->state->active && old_state->active)
+ vc4_crtc_update_dlist(crtc);
if (debug_dump_regs) {
DRM_INFO("CRTC %d HVS after:\n", drm_crtc_index(crtc));
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 35bf781..c705632 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -30,49 +30,49 @@
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_page_alloc.h>
-static struct ttm_place vram_placement_flags = {
+static const struct ttm_place vram_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
};
-static struct ttm_place vram_ne_placement_flags = {
+static const struct ttm_place vram_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
-static struct ttm_place sys_placement_flags = {
+static const struct ttm_place sys_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED
};
-static struct ttm_place sys_ne_placement_flags = {
+static const struct ttm_place sys_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
-static struct ttm_place gmr_placement_flags = {
+static const struct ttm_place gmr_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
};
-static struct ttm_place gmr_ne_placement_flags = {
+static const struct ttm_place gmr_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
-static struct ttm_place mob_placement_flags = {
+static const struct ttm_place mob_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED
};
-static struct ttm_place mob_ne_placement_flags = {
+static const struct ttm_place mob_ne_placement_flags = {
.fpfn = 0,
.lpfn = 0,
.flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
@@ -85,7 +85,7 @@
.busy_placement = &vram_placement_flags
};
-static struct ttm_place vram_gmr_placement_flags[] = {
+static const struct ttm_place vram_gmr_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
@@ -97,7 +97,7 @@
}
};
-static struct ttm_place gmr_vram_placement_flags[] = {
+static const struct ttm_place gmr_vram_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
@@ -116,7 +116,7 @@
.busy_placement = &gmr_placement_flags
};
-static struct ttm_place vram_gmr_ne_placement_flags[] = {
+static const struct ttm_place vram_gmr_ne_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
@@ -165,7 +165,7 @@
.busy_placement = &sys_ne_placement_flags
};
-static struct ttm_place evictable_placement_flags[] = {
+static const struct ttm_place evictable_placement_flags[] = {
{
.fpfn = 0,
.lpfn = 0,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
index 99a7f4a..8617879 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
@@ -779,8 +779,8 @@
if (ret)
return ret;
- header->cb_header = dma_pool_alloc(man->headers, GFP_KERNEL,
- &header->handle);
+ header->cb_header = dma_pool_zalloc(man->headers, GFP_KERNEL,
+ &header->handle);
if (!header->cb_header) {
ret = -ENOMEM;
goto out_no_cb_header;
@@ -790,7 +790,6 @@
cb_hdr = header->cb_header;
offset = header->node.start << PAGE_SHIFT;
header->cmd = man->map + offset;
- memset(cb_hdr, 0, sizeof(*cb_hdr));
if (man->using_mob) {
cb_hdr->flags = SVGA_CB_FLAG_MOB;
cb_hdr->ptr.mob.mobid = man->cmd_space->mem.start;
@@ -827,8 +826,8 @@
if (WARN_ON_ONCE(size > VMW_CMDBUF_INLINE_SIZE))
return -ENOMEM;
- dheader = dma_pool_alloc(man->dheaders, GFP_KERNEL,
- &header->handle);
+ dheader = dma_pool_zalloc(man->dheaders, GFP_KERNEL,
+ &header->handle);
if (!dheader)
return -ENOMEM;
@@ -837,7 +836,6 @@
cb_hdr = &dheader->cb_header;
header->cb_header = cb_hdr;
header->cmd = dheader->cmd;
- memset(dheader, 0, sizeof(*dheader));
cb_hdr->status = SVGA_CB_STATUS_NONE;
cb_hdr->flags = SVGA_CB_FLAG_NONE;
cb_hdr->ptr.pa = (u64)header->handle +
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 1f013d4..36c7b6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -205,7 +205,7 @@
int ret;
cres = kzalloc(sizeof(*cres), GFP_KERNEL);
- if (unlikely(cres == NULL))
+ if (unlikely(!cres))
return -ENOMEM;
cres->hash.key = user_key | (res_type << 24);
@@ -291,7 +291,7 @@
int ret;
man = kzalloc(sizeof(*man), GFP_KERNEL);
- if (man == NULL)
+ if (!man)
return ERR_PTR(-ENOMEM);
man->dev_priv = dev_priv;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
index bcc6d41..4212b3e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c
@@ -210,8 +210,8 @@
for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) {
uctx->cotables[i] = vmw_cotable_alloc(dev_priv,
&uctx->res, i);
- if (unlikely(uctx->cotables[i] == NULL)) {
- ret = -ENOMEM;
+ if (unlikely(IS_ERR(uctx->cotables[i]))) {
+ ret = PTR_ERR(uctx->cotables[i]);
goto out_cotables;
}
}
@@ -777,7 +777,7 @@
}
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
- if (unlikely(ctx == NULL)) {
+ if (unlikely(!ctx)) {
ttm_mem_global_free(vmw_mem_glob(dev_priv),
vmw_user_context_size);
ret = -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 6c026d7..d87861b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -584,7 +584,7 @@
return ERR_PTR(ret);
vcotbl = kzalloc(sizeof(*vcotbl), GFP_KERNEL);
- if (unlikely(vcotbl == NULL)) {
+ if (unlikely(!vcotbl)) {
ret = -ENOMEM;
goto out_no_alloc;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4a64155..4436d53 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -227,7 +227,7 @@
DRM_AUTH | DRM_RENDER_ALLOW),
};
-static struct pci_device_id vmw_pci_id_list[] = {
+static const struct pci_device_id vmw_pci_id_list[] = {
{0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
{0, 0, 0}
};
@@ -630,7 +630,7 @@
char host_log[100] = {0};
dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
- if (unlikely(dev_priv == NULL)) {
+ if (unlikely(!dev_priv)) {
DRM_ERROR("Failed allocating a device private struct.\n");
return -ENOMEM;
}
@@ -1035,7 +1035,7 @@
int ret = -ENOMEM;
vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
- if (unlikely(vmw_fp == NULL))
+ if (unlikely(!vmw_fp))
return ret;
vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
@@ -1196,7 +1196,7 @@
struct vmw_master *vmaster;
vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
- if (unlikely(vmaster == NULL))
+ if (unlikely(!vmaster))
return -ENOMEM;
vmw_master_init(vmaster);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index c7b53d9..2cfb3c9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -264,7 +264,7 @@
}
node = kzalloc(sizeof(*node), GFP_KERNEL);
- if (unlikely(node == NULL)) {
+ if (unlikely(!node)) {
DRM_ERROR("Failed to allocate a resource validation "
"entry.\n");
return -ENOMEM;
@@ -452,7 +452,7 @@
struct vmw_resource_relocation *rel;
rel = kmalloc(sizeof(*rel), GFP_KERNEL);
- if (unlikely(rel == NULL)) {
+ if (unlikely(!rel)) {
DRM_ERROR("Failed to allocate a resource relocation.\n");
return -ENOMEM;
}
@@ -519,7 +519,7 @@
struct vmw_sw_context *sw_context,
SVGA3dCmdHeader *header)
{
- return capable(CAP_SYS_ADMIN) ? : -EINVAL;
+ return -EINVAL;
}
static int vmw_cmd_ok(struct vmw_private *dev_priv,
@@ -2584,7 +2584,7 @@
/**
* vmw_cmd_dx_ia_set_vertex_buffers - Validate an
- * SVGA_3D_CMD_DX_IA_SET_VERTEX_BUFFERS command.
+ * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command.
*
* @dev_priv: Pointer to a device private struct.
* @sw_context: The software context being used for this batch.
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 6b2708b..b8bc5bc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -284,7 +284,7 @@
{
struct vmw_fence_manager *fman = kzalloc(sizeof(*fman), GFP_KERNEL);
- if (unlikely(fman == NULL))
+ if (unlikely(!fman))
return NULL;
fman->dev_priv = dev_priv;
@@ -541,7 +541,7 @@
int ret;
fence = kzalloc(sizeof(*fence), GFP_KERNEL);
- if (unlikely(fence == NULL))
+ if (unlikely(!fence))
return -ENOMEM;
ret = vmw_fence_obj_init(fman, fence, seqno,
@@ -606,7 +606,7 @@
return ret;
ufence = kzalloc(sizeof(*ufence), GFP_KERNEL);
- if (unlikely(ufence == NULL)) {
+ if (unlikely(!ufence)) {
ret = -ENOMEM;
goto out_no_object;
}
@@ -966,7 +966,7 @@
struct vmw_fence_manager *fman = fman_from_fence(fence);
eaction = kzalloc(sizeof(*eaction), GFP_KERNEL);
- if (unlikely(eaction == NULL))
+ if (unlikely(!eaction))
return -ENOMEM;
eaction->event = event;
@@ -1002,7 +1002,7 @@
int ret;
event = kzalloc(sizeof(*event), GFP_KERNEL);
- if (unlikely(event == NULL)) {
+ if (unlikely(!event)) {
DRM_ERROR("Failed to allocate an event.\n");
ret = -ENOMEM;
goto out_no_space;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
index c1900f4..d2b03d4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
@@ -121,7 +121,7 @@
struct vmwgfx_gmrid_man *gman =
kzalloc(sizeof(*gman), GFP_KERNEL);
- if (unlikely(gman == NULL))
+ if (unlikely(!gman))
return -ENOMEM;
spin_lock_init(&gman->lock);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 3d94ea6..625ba24 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -384,6 +384,12 @@
hotspot_x = du->hotspot_x;
hotspot_y = du->hotspot_y;
+
+ if (plane->fb) {
+ hotspot_x += plane->fb->hot_x;
+ hotspot_y += plane->fb->hot_y;
+ }
+
du->cursor_surface = vps->surf;
du->cursor_dmabuf = vps->dmabuf;
@@ -411,6 +417,9 @@
vmw_cursor_update_position(dev_priv, true,
du->cursor_x + hotspot_x,
du->cursor_y + hotspot_y);
+
+ du->core_hotspot_x = hotspot_x - du->hotspot_x;
+ du->core_hotspot_y = hotspot_y - du->hotspot_y;
} else {
DRM_ERROR("Failed to update cursor image\n");
}
@@ -1558,10 +1567,34 @@
}
+/**
+ * vmw_kms_atomic_commit - Perform an atomic state commit
+ *
+ * @dev: DRM device
+ * @state: the driver state object
+ * @nonblock: Whether nonblocking behaviour is requested
+ *
+ * This is a simple wrapper around drm_atomic_helper_commit() for
+ * us to clear the nonblocking value.
+ *
+ * Nonblocking commits currently cause synchronization issues
+ * for vmwgfx.
+ *
+ * RETURNS
+ * Zero for success or negative error code on failure.
+ */
+int vmw_kms_atomic_commit(struct drm_device *dev,
+ struct drm_atomic_state *state,
+ bool nonblock)
+{
+ return drm_atomic_helper_commit(dev, state, false);
+}
+
+
static const struct drm_mode_config_funcs vmw_kms_funcs = {
.fb_create = vmw_kms_fb_create,
.atomic_check = vmw_kms_atomic_check_modeset,
- .atomic_commit = drm_atomic_helper_commit,
+ .atomic_commit = vmw_kms_atomic_commit,
};
static int vmw_kms_generic_present(struct vmw_private *dev_priv,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index 941bcfd..b17f08f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -320,14 +320,14 @@
if (dev_priv->has_dx) {
*otables = kmemdup(dx_tables, sizeof(dx_tables), GFP_KERNEL);
- if (*otables == NULL)
+ if (!(*otables))
return -ENOMEM;
dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables);
} else {
*otables = kmemdup(pre_dx_tables, sizeof(pre_dx_tables),
GFP_KERNEL);
- if (*otables == NULL)
+ if (!(*otables))
return -ENOMEM;
dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables);
@@ -407,7 +407,7 @@
{
struct vmw_mob *mob = kzalloc(sizeof(*mob), GFP_KERNEL);
- if (unlikely(mob == NULL))
+ if (unlikely(!mob))
return NULL;
mob->num_pages = vmw_mob_calculate_pt_pages(data_pages);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index 6063c96..9700099 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -244,7 +244,7 @@
reply_len = ebx;
reply = kzalloc(reply_len + 1, GFP_KERNEL);
- if (reply == NULL) {
+ if (!reply) {
DRM_ERROR("Cannot allocate memory for reply\n");
return -ENOMEM;
}
@@ -340,7 +340,7 @@
msg_len = strlen(guest_info_param) + strlen("info-get ") + 1;
msg = kzalloc(msg_len, GFP_KERNEL);
- if (msg == NULL) {
+ if (!msg) {
DRM_ERROR("Cannot allocate memory to get %s", guest_info_param);
return -ENOMEM;
}
@@ -400,7 +400,7 @@
msg_len = strlen(log) + strlen("log ") + 1;
msg = kzalloc(msg_len, GFP_KERNEL);
- if (msg == NULL) {
+ if (!msg) {
DRM_ERROR("Cannot allocate memory for log message\n");
return -ENOMEM;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 7d591f6..a96f90f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -446,7 +446,7 @@
int ret;
user_bo = kzalloc(sizeof(*user_bo), GFP_KERNEL);
- if (unlikely(user_bo == NULL)) {
+ if (unlikely(!user_bo)) {
DRM_ERROR("Failed to allocate a buffer.\n");
return -ENOMEM;
}
@@ -836,7 +836,7 @@
}
backup = kzalloc(sizeof(*backup), GFP_KERNEL);
- if (unlikely(backup == NULL))
+ if (unlikely(!backup))
return -ENOMEM;
ret = vmw_dmabuf_init(res->dev_priv, backup, res->backup_size,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index 68f135c..9b832f1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -751,7 +751,7 @@
}
ushader = kzalloc(sizeof(*ushader), GFP_KERNEL);
- if (unlikely(ushader == NULL)) {
+ if (unlikely(!ushader)) {
ttm_mem_global_free(vmw_mem_glob(dev_priv),
vmw_user_shader_size);
ret = -ENOMEM;
@@ -821,7 +821,7 @@
}
shader = kzalloc(sizeof(*shader), GFP_KERNEL);
- if (unlikely(shader == NULL)) {
+ if (unlikely(!shader)) {
ttm_mem_global_free(vmw_mem_glob(dev_priv),
vmw_shader_size);
ret = -ENOMEM;
@@ -981,7 +981,7 @@
/* Allocate and pin a DMA buffer */
buf = kzalloc(sizeof(*buf), GFP_KERNEL);
- if (unlikely(buf == NULL))
+ if (unlikely(!buf))
return -ENOMEM;
ret = vmw_dmabuf_init(dev_priv, buf, size, &vmw_sys_ne_placement,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 50be1f0..5284e8d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -1640,8 +1640,8 @@
* something arbitrarily large and we will reject any layout
* that doesn't fit prim_bb_mem later
*/
- dev->mode_config.max_width = 16384;
- dev->mode_config.max_height = 16384;
+ dev->mode_config.max_width = 8192;
+ dev->mode_config.max_height = 8192;
}
vmw_kms_create_implicit_placement_property(dev_priv, false);
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 2c58a39..7782725 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -186,8 +186,13 @@
return -ENOMEM;
err = iommu_attach_device(host->domain, &pdev->dev);
- if (err)
+ if (err == -ENODEV) {
+ iommu_domain_free(host->domain);
+ host->domain = NULL;
+ goto skip_iommu;
+ } else if (err) {
goto fail_free_domain;
+ }
geometry = &host->domain->geometry;
@@ -198,6 +203,7 @@
host->iova_end = geometry->aperture_end;
}
+skip_iommu:
err = host1x_channel_list_init(&host->channel_list,
host->info->nb_channels);
if (err) {
diff --git a/drivers/gpu/ipu-v3/Kconfig b/drivers/gpu/ipu-v3/Kconfig
index 08766c6..87a20b3 100644
--- a/drivers/gpu/ipu-v3/Kconfig
+++ b/drivers/gpu/ipu-v3/Kconfig
@@ -1,6 +1,7 @@
config IMX_IPUV3_CORE
tristate "IPUv3 core support"
depends on SOC_IMX5 || SOC_IMX6Q || ARCH_MULTIPLATFORM
+ depends on DRM || !DRM # if DRM=m, this can't be 'y'
select GENERIC_IRQ_CHIP
help
Choose this if you have a i.MX5/6 system and want to use the Image
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 6fd01a6..9017dcc1 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2216,6 +2216,7 @@
#if IS_ENABLED(CONFIG_HID_ORTEK)
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
#endif
#if IS_ENABLED(CONFIG_HID_PANTHERLORD)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3d911bf..c9ba4c6 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -824,6 +824,7 @@
#define USB_VENDOR_ID_ORTEK 0x05a4
#define USB_DEVICE_ID_ORTEK_PKB1700 0x1700
#define USB_DEVICE_ID_ORTEK_WKB2000 0x2000
+#define USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S 0x8003
#define USB_VENDOR_ID_PLANTRONICS 0x047f
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 41b3946..501e16a 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -2732,6 +2732,9 @@
hidpp_battery_props,
sizeof(hidpp_battery_props),
GFP_KERNEL);
+ if (!battery_props)
+ return -ENOMEM;
+
num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 2;
if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE)
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f3e35e7..aff20f4 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -620,16 +620,6 @@
return 0;
}
-static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
- struct hid_field *field, struct hid_usage *usage,
- unsigned long **bit, int *max)
-{
- if (usage->type == EV_KEY || usage->type == EV_ABS)
- set_bit(usage->type, hi->input->evbit);
-
- return -1;
-}
-
static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
{
__s32 quirks = td->mtclass.quirks;
@@ -969,8 +959,10 @@
return 0;
if (field->application == HID_DG_TOUCHSCREEN ||
- field->application == HID_DG_TOUCHPAD)
- return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
+ field->application == HID_DG_TOUCHPAD) {
+ /* We own these mappings, tell hid-input to ignore them */
+ return -1;
+ }
/* let hid-core decide for the others */
return 0;
diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c
index 6620f15..8783a06 100644
--- a/drivers/hid/hid-ortek.c
+++ b/drivers/hid/hid-ortek.c
@@ -5,6 +5,7 @@
*
* Ortek PKB-1700
* Ortek WKB-2000
+ * iHome IMAC-A210S
* Skycable wireless presenter
*
* Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
@@ -28,10 +29,10 @@
unsigned int *rsize)
{
if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) {
- hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n");
+ hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n");
rdesc[55] = 0x92;
} else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) {
- hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n");
+ hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n");
rdesc[53] = 0x65;
}
return rdesc;
@@ -40,6 +41,7 @@
static const struct hid_device_id ortek_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
{ }
};
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 76013eb..c008847 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -680,18 +680,21 @@
struct usbhid_device *usbhid = hid->driver_data;
int res;
+ set_bit(HID_OPENED, &usbhid->iofl);
+
if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
return 0;
res = usb_autopm_get_interface(usbhid->intf);
/* the device must be awake to reliably request remote wakeup */
- if (res < 0)
+ if (res < 0) {
+ clear_bit(HID_OPENED, &usbhid->iofl);
return -EIO;
+ }
usbhid->intf->needs_remote_wakeup = 1;
set_bit(HID_RESUME_RUNNING, &usbhid->iofl);
- set_bit(HID_OPENED, &usbhid->iofl);
set_bit(HID_IN_POLLING, &usbhid->iofl);
res = hid_start_in(hid);
@@ -727,19 +730,20 @@
{
struct usbhid_device *usbhid = hid->driver_data;
- if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
- return;
-
/*
* Make sure we don't restart data acquisition due to
* a resumption we no longer care about by avoiding racing
* with hid_start_in().
*/
spin_lock_irq(&usbhid->lock);
- clear_bit(HID_IN_POLLING, &usbhid->iofl);
clear_bit(HID_OPENED, &usbhid->iofl);
+ if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL))
+ clear_bit(HID_IN_POLLING, &usbhid->iofl);
spin_unlock_irq(&usbhid->lock);
+ if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
+ return;
+
hid_cancel_delayed_stuff(usbhid);
usb_kill_urb(usbhid->urbin);
usbhid->intf->needs_remote_wakeup = 0;
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index e9bf0bb..e57cc40 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -606,6 +606,8 @@
get_order(channel->ringbuffer_pagecount * PAGE_SIZE));
out:
+ /* re-enable tasklet for use on re-open */
+ tasklet_enable(&channel->callback_event);
return ret;
}
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 0af7fd3..76c34f4 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -566,6 +566,8 @@
if (ret)
return ret;
s->fan_count = tmp[0];
+ if (s->fan_count > 10)
+ s->fan_count = 10;
ret = applesmc_get_lower_bound(&s->temp_begin, "T");
if (ret)
@@ -811,7 +813,8 @@
char newkey[5];
u8 buffer[2];
- sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr));
+ scnprintf(newkey, sizeof(newkey), fan_speed_fmt[to_option(attr)],
+ to_index(attr));
ret = applesmc_read_key(newkey, buffer, 2);
speed = ((buffer[0] << 8 | buffer[1]) >> 2);
@@ -834,7 +837,8 @@
if (kstrtoul(sysfsbuf, 10, &speed) < 0 || speed >= 0x4000)
return -EINVAL; /* Bigger than a 14-bit value */
- sprintf(newkey, fan_speed_fmt[to_option(attr)], to_index(attr));
+ scnprintf(newkey, sizeof(newkey), fan_speed_fmt[to_option(attr)],
+ to_index(attr));
buffer[0] = (speed >> 6) & 0xff;
buffer[1] = (speed << 2) & 0xff;
@@ -903,7 +907,7 @@
char newkey[5];
u8 buffer[17];
- sprintf(newkey, FAN_ID_FMT, to_index(attr));
+ scnprintf(newkey, sizeof(newkey), FAN_ID_FMT, to_index(attr));
ret = applesmc_read_key(newkey, buffer, 16);
buffer[16] = 0;
@@ -1116,7 +1120,8 @@
}
for (i = 0; i < num; i++) {
node = &grp->nodes[i];
- sprintf(node->name, grp->format, i + 1);
+ scnprintf(node->name, sizeof(node->name), grp->format,
+ i + 1);
node->sda.index = (grp->option << 16) | (i & 0xffff);
node->sda.dev_attr.show = grp->show;
node->sda.dev_attr.store = grp->store;
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 1006b23..65fa295 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -983,7 +983,7 @@
config I2C_VERSATILE
tristate "ARM Versatile/Realview I2C bus support"
- depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
+ depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST
select I2C_ALGOBIT
help
Say yes if you want to support the I2C serial bus on ARMs Versatile
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index f193483..6fdf923 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -410,10 +410,11 @@
}
/* We are in an invalid state; reset bus to a known state. */
- if (!bus->msgs && bus->master_state != ASPEED_I2C_MASTER_STOP) {
+ if (!bus->msgs) {
dev_err(bus->dev, "bus in unknown state");
bus->cmd_err = -EIO;
- aspeed_i2c_do_stop(bus);
+ if (bus->master_state != ASPEED_I2C_MASTER_STOP)
+ aspeed_i2c_do_stop(bus);
goto out_no_complete;
}
msg = &bus->msgs[bus->msgs_index];
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 2ea6d0d..2b98a17 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -198,8 +198,7 @@
dev->functionality = I2C_FUNC_SLAVE | DW_IC_DEFAULT_FUNCTIONALITY;
dev->slave_cfg = DW_IC_CON_RX_FIFO_FULL_HLD_CTRL |
- DW_IC_CON_RESTART_EN | DW_IC_CON_STOP_DET_IFADDRESSED |
- DW_IC_CON_SPEED_FAST;
+ DW_IC_CON_RESTART_EN | DW_IC_CON_STOP_DET_IFADDRESSED;
dev->mode = DW_IC_SLAVE;
@@ -257,7 +256,8 @@
struct dw_i2c_dev *dev;
u32 acpi_speed, ht = 0;
struct resource *mem;
- int irq, ret;
+ int i, irq, ret;
+ const int supported_speeds[] = { 0, 100000, 400000, 1000000, 3400000 };
irq = platform_get_irq(pdev, 0);
if (irq < 0)
@@ -299,6 +299,16 @@
acpi_speed = i2c_acpi_find_bus_speed(&pdev->dev);
/*
+ * Some DSTDs use a non standard speed, round down to the lowest
+ * standard speed.
+ */
+ for (i = 1; i < ARRAY_SIZE(supported_speeds); i++) {
+ if (acpi_speed < supported_speeds[i])
+ break;
+ }
+ acpi_speed = supported_speeds[i - 1];
+
+ /*
* Find bus speed from the "clock-frequency" device property, ACPI
* or by using fast mode if neither is set.
*/
@@ -319,7 +329,8 @@
if (dev->clk_freq != 100000 && dev->clk_freq != 400000
&& dev->clk_freq != 1000000 && dev->clk_freq != 3400000) {
dev_err(&pdev->dev,
- "Only 100kHz, 400kHz, 1MHz and 3.4MHz supported");
+ "%d Hz is unsupported, only 100kHz, 400kHz, 1MHz and 3.4MHz are supported\n",
+ dev->clk_freq);
ret = -EINVAL;
goto exit_reset;
}
@@ -426,7 +437,7 @@
#endif
#ifdef CONFIG_PM
-static int dw_i2c_plat_suspend(struct device *dev)
+static int dw_i2c_plat_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
@@ -448,11 +459,21 @@
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int dw_i2c_plat_suspend(struct device *dev)
+{
+ pm_runtime_resume(dev);
+ return dw_i2c_plat_runtime_suspend(dev);
+}
+#endif
+
static const struct dev_pm_ops dw_i2c_dev_pm_ops = {
.prepare = dw_i2c_plat_prepare,
.complete = dw_i2c_plat_complete,
SET_SYSTEM_SLEEP_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume)
- SET_RUNTIME_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume, NULL)
+ SET_RUNTIME_PM_OPS(dw_i2c_plat_runtime_suspend,
+ dw_i2c_plat_resume,
+ NULL)
};
#define DW_I2C_DEV_PMOPS (&dw_i2c_dev_pm_ops)
diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c
index 0548c7e..78d8fb7 100644
--- a/drivers/i2c/busses/i2c-designware-slave.c
+++ b/drivers/i2c/busses/i2c-designware-slave.c
@@ -177,6 +177,8 @@
return -EBUSY;
if (slave->flags & I2C_CLIENT_TEN)
return -EAFNOSUPPORT;
+ pm_runtime_get_sync(dev->dev);
+
/*
* Set slave address in the IC_SAR register,
* the address to which the DW_apb_i2c responds.
@@ -205,6 +207,7 @@
dev->disable_int(dev);
dev->disable(dev);
dev->slave = NULL;
+ pm_runtime_put(dev->dev);
return 0;
}
@@ -272,7 +275,7 @@
slave_activity = ((dw_readl(dev, DW_IC_STATUS) &
DW_IC_STATUS_SLAVE_ACTIVITY) >> 6);
- if (!enabled || !(raw_stat & ~DW_IC_INTR_ACTIVITY))
+ if (!enabled || !(raw_stat & ~DW_IC_INTR_ACTIVITY) || !dev->slave)
return 0;
dev_dbg(dev->dev,
@@ -382,7 +385,6 @@
ret = i2c_add_numbered_adapter(adap);
if (ret)
dev_err(dev->dev, "failure adding adapter: %d\n", ret);
- pm_runtime_put_noidle(dev->dev);
return ret;
}
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index e98e44e..22ffcb7 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -341,8 +341,10 @@
break;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_I2C_BLOCK_DATA:
- memcpy(&data->block[1], dma_buffer, desc->rxbytes);
- data->block[0] = desc->rxbytes;
+ if (desc->rxbytes != dma_buffer[0] + 1)
+ return -EMSGSIZE;
+
+ memcpy(data->block, dma_buffer, desc->rxbytes);
break;
}
return 0;
diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c
index b4685bb..adca51a 100644
--- a/drivers/i2c/busses/i2c-simtec.c
+++ b/drivers/i2c/busses/i2c-simtec.c
@@ -127,8 +127,7 @@
iounmap(pd->reg);
err_res:
- release_resource(pd->ioarea);
- kfree(pd->ioarea);
+ release_mem_region(pd->ioarea->start, size);
err:
kfree(pd);
@@ -142,8 +141,7 @@
i2c_del_adapter(&pd->adap);
iounmap(pd->reg);
- release_resource(pd->ioarea);
- kfree(pd->ioarea);
+ release_mem_region(pd->ioarea->start, resource_size(pd->ioarea));
kfree(pd);
return 0;
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 4842ec3..a9126b3 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -230,6 +230,16 @@
dev_warn(&adap->dev, "failed to enumerate I2C slaves\n");
}
+const struct acpi_device_id *
+i2c_acpi_match_device(const struct acpi_device_id *matches,
+ struct i2c_client *client)
+{
+ if (!(client && matches))
+ return NULL;
+
+ return acpi_match_device(matches, &client->dev);
+}
+
static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level,
void *data, void **return_value)
{
@@ -289,7 +299,7 @@
}
EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed);
-static int i2c_acpi_match_adapter(struct device *dev, void *data)
+static int i2c_acpi_find_match_adapter(struct device *dev, void *data)
{
struct i2c_adapter *adapter = i2c_verify_adapter(dev);
@@ -299,7 +309,7 @@
return ACPI_HANDLE(dev) == (acpi_handle)data;
}
-static int i2c_acpi_match_device(struct device *dev, void *data)
+static int i2c_acpi_find_match_device(struct device *dev, void *data)
{
return ACPI_COMPANION(dev) == data;
}
@@ -309,7 +319,7 @@
struct device *dev;
dev = bus_find_device(&i2c_bus_type, NULL, handle,
- i2c_acpi_match_adapter);
+ i2c_acpi_find_match_adapter);
return dev ? i2c_verify_adapter(dev) : NULL;
}
@@ -317,7 +327,8 @@
{
struct device *dev;
- dev = bus_find_device(&i2c_bus_type, NULL, adev, i2c_acpi_match_device);
+ dev = bus_find_device(&i2c_bus_type, NULL, adev,
+ i2c_acpi_find_match_device);
return dev ? i2c_verify_client(dev) : NULL;
}
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index c89dac7..56e4658 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -353,10 +353,11 @@
}
/*
- * An I2C ID table is not mandatory, if and only if, a suitable Device
- * Tree match table entry is supplied for the probing device.
+ * An I2C ID table is not mandatory, if and only if, a suitable OF
+ * or ACPI ID table is supplied for the probing device.
*/
if (!driver->id_table &&
+ !i2c_acpi_match_device(dev->driver->acpi_match_table, client) &&
!i2c_of_match_device(dev->driver->of_match_table, client))
return -ENODEV;
diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index 3b63f5e..3d3d9bf 100644
--- a/drivers/i2c/i2c-core.h
+++ b/drivers/i2c/i2c-core.h
@@ -31,9 +31,18 @@
int i2c_check_7bit_addr_validity_strict(unsigned short addr);
#ifdef CONFIG_ACPI
+const struct acpi_device_id *
+i2c_acpi_match_device(const struct acpi_device_id *matches,
+ struct i2c_client *client);
void i2c_acpi_register_devices(struct i2c_adapter *adap);
#else /* CONFIG_ACPI */
static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { }
+static inline const struct acpi_device_id *
+i2c_acpi_match_device(const struct acpi_device_id *matches,
+ struct i2c_client *client)
+{
+ return NULL;
+}
#endif /* CONFIG_ACPI */
extern struct notifier_block i2c_acpi_notifier;
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index 2c64d0e..1712132 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -83,7 +83,7 @@
different sets of pins at run-time.
This driver can also be built as a module. If so, the module will be
- called pinctrl-i2cmux.
+ called i2c-mux-pinctrl.
config I2C_MUX_REG
tristate "Register-based I2C multiplexer"
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c
index 0e05f75..1858e3c 100644
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -104,19 +104,19 @@
EXPORT_SYMBOL_GPL(ide_pio_cycle_time);
#define ENOUGH(v, unit) (((v) - 1) / (unit) + 1)
-#define EZ(v, unit) ((v) ? ENOUGH(v, unit) : 0)
+#define EZ(v, unit) ((v) ? ENOUGH((v) * 1000, unit) : 0)
static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q,
int T, int UT)
{
- q->setup = EZ(t->setup * 1000, T);
- q->act8b = EZ(t->act8b * 1000, T);
- q->rec8b = EZ(t->rec8b * 1000, T);
- q->cyc8b = EZ(t->cyc8b * 1000, T);
- q->active = EZ(t->active * 1000, T);
- q->recover = EZ(t->recover * 1000, T);
- q->cycle = EZ(t->cycle * 1000, T);
- q->udma = EZ(t->udma * 1000, UT);
+ q->setup = EZ(t->setup, T);
+ q->act8b = EZ(t->act8b, T);
+ q->rec8b = EZ(t->rec8b, T);
+ q->cyc8b = EZ(t->cyc8b, T);
+ q->active = EZ(t->active, T);
+ q->recover = EZ(t->recover, T);
+ q->cycle = EZ(t->cycle, T);
+ q->udma = EZ(t->udma, UT);
}
void ide_timing_merge(struct ide_timing *a, struct ide_timing *b,
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 474cc43..f0b06b1 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -1331,6 +1331,7 @@
intel_idle_state_table_update();
+ cpuidle_poll_state_init(drv);
drv->state_count = 1;
for (cstate = 0; cstate < CPUIDLE_STATE_MAX; ++cstate) {
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index 6b5d3be..807299d 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -193,7 +193,6 @@
struct regmap *regmap;
int irq;
struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS];
- atomic_t active_intr;
struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS];
struct mutex mutex;
u8 fifo_mode, watermark;
@@ -493,11 +492,6 @@
goto out_fix_power_state;
}
- if (state)
- atomic_inc(&data->active_intr);
- else
- atomic_dec(&data->active_intr);
-
return 0;
out_fix_power_state:
@@ -1710,8 +1704,7 @@
struct bmc150_accel_data *data = iio_priv(indio_dev);
mutex_lock(&data->mutex);
- if (atomic_read(&data->active_intr))
- bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
+ bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
bmc150_accel_fifo_set_mode(data);
mutex_unlock(&data->mutex);
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index 07d1489..e44f62b 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -166,6 +166,10 @@
.mask_ihl = 0x02,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x23,
+ .value = BIT(0),
+ },
.multi_read_bit = true,
.bootime = 2,
},
@@ -234,6 +238,10 @@
.mask_od = 0x40,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x23,
+ .value = BIT(0),
+ },
.multi_read_bit = true,
.bootime = 2,
},
@@ -316,6 +324,10 @@
.en_mask = 0x08,
},
},
+ .sim = {
+ .addr = 0x24,
+ .value = BIT(0),
+ },
.multi_read_bit = false,
.bootime = 2,
},
@@ -379,6 +391,10 @@
.mask_int1 = 0x04,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x21,
+ .value = BIT(1),
+ },
.multi_read_bit = true,
.bootime = 2, /* guess */
},
@@ -437,6 +453,10 @@
.mask_od = 0x40,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x21,
+ .value = BIT(7),
+ },
.multi_read_bit = false,
.bootime = 2, /* guess */
},
@@ -499,6 +519,10 @@
.addr_ihl = 0x22,
.mask_ihl = 0x80,
},
+ .sim = {
+ .addr = 0x23,
+ .value = BIT(0),
+ },
.multi_read_bit = true,
.bootime = 2,
},
@@ -547,6 +571,10 @@
.mask_int1 = 0x04,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x21,
+ .value = BIT(1),
+ },
.multi_read_bit = false,
.bootime = 2,
},
@@ -614,6 +642,10 @@
.mask_ihl = 0x02,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
+ .sim = {
+ .addr = 0x23,
+ .value = BIT(0),
+ },
.multi_read_bit = true,
.bootime = 2,
},
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index e0ea411..c02b23d 100644
--- a/drivers/iio/adc/aspeed_adc.c
+++ b/drivers/iio/adc/aspeed_adc.c
@@ -22,6 +22,7 @@
#include <linux/iio/iio.h>
#include <linux/iio/driver.h>
+#include <linux/iopoll.h>
#define ASPEED_RESOLUTION_BITS 10
#define ASPEED_CLOCKS_PER_SAMPLE 12
@@ -38,11 +39,17 @@
#define ASPEED_ENGINE_ENABLE BIT(0)
+#define ASPEED_ADC_CTRL_INIT_RDY BIT(8)
+
+#define ASPEED_ADC_INIT_POLLING_TIME 500
+#define ASPEED_ADC_INIT_TIMEOUT 500000
+
struct aspeed_adc_model_data {
const char *model_name;
unsigned int min_sampling_rate; // Hz
unsigned int max_sampling_rate; // Hz
unsigned int vref_voltage; // mV
+ bool wait_init_sequence;
};
struct aspeed_adc_data {
@@ -211,6 +218,24 @@
goto scaler_error;
}
+ model_data = of_device_get_match_data(&pdev->dev);
+
+ if (model_data->wait_init_sequence) {
+ /* Enable engine in normal mode. */
+ writel(ASPEED_OPERATION_MODE_NORMAL | ASPEED_ENGINE_ENABLE,
+ data->base + ASPEED_REG_ENGINE_CONTROL);
+
+ /* Wait for initial sequence complete. */
+ ret = readl_poll_timeout(data->base + ASPEED_REG_ENGINE_CONTROL,
+ adc_engine_control_reg_val,
+ adc_engine_control_reg_val &
+ ASPEED_ADC_CTRL_INIT_RDY,
+ ASPEED_ADC_INIT_POLLING_TIME,
+ ASPEED_ADC_INIT_TIMEOUT);
+ if (ret)
+ goto scaler_error;
+ }
+
/* Start all channels in normal mode. */
ret = clk_prepare_enable(data->clk_scaler->clk);
if (ret)
@@ -274,6 +299,7 @@
.vref_voltage = 1800, // mV
.min_sampling_rate = 1,
.max_sampling_rate = 1000000,
+ .wait_init_sequence = true,
};
static const struct of_device_id aspeed_adc_matches[] = {
diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c
index 64799ad..462a99c 100644
--- a/drivers/iio/adc/axp288_adc.c
+++ b/drivers/iio/adc/axp288_adc.c
@@ -28,6 +28,8 @@
#include <linux/iio/driver.h>
#define AXP288_ADC_EN_MASK 0xF1
+#define AXP288_ADC_TS_PIN_GPADC 0xF2
+#define AXP288_ADC_TS_PIN_ON 0xF3
enum axp288_adc_id {
AXP288_ADC_TS,
@@ -121,6 +123,26 @@
return IIO_VAL_INT;
}
+static int axp288_adc_set_ts(struct regmap *regmap, unsigned int mode,
+ unsigned long address)
+{
+ int ret;
+
+ /* channels other than GPADC do not need to switch TS pin */
+ if (address != AXP288_GP_ADC_H)
+ return 0;
+
+ ret = regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, mode);
+ if (ret)
+ return ret;
+
+ /* When switching to the GPADC pin give things some time to settle */
+ if (mode == AXP288_ADC_TS_PIN_GPADC)
+ usleep_range(6000, 10000);
+
+ return 0;
+}
+
static int axp288_adc_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
@@ -131,7 +153,16 @@
mutex_lock(&indio_dev->mlock);
switch (mask) {
case IIO_CHAN_INFO_RAW:
+ if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_GPADC,
+ chan->address)) {
+ dev_err(&indio_dev->dev, "GPADC mode\n");
+ ret = -EINVAL;
+ break;
+ }
ret = axp288_adc_read_channel(val, chan->address, info->regmap);
+ if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_ON,
+ chan->address))
+ dev_err(&indio_dev->dev, "TS pin restore\n");
break;
default:
ret = -EINVAL;
@@ -141,6 +172,15 @@
return ret;
}
+static int axp288_adc_set_state(struct regmap *regmap)
+{
+ /* ADC should be always enabled for internal FG to function */
+ if (regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON))
+ return -EIO;
+
+ return regmap_write(regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK);
+}
+
static const struct iio_info axp288_adc_iio_info = {
.read_raw = &axp288_adc_read_raw,
.driver_module = THIS_MODULE,
@@ -169,7 +209,7 @@
* Set ADC to enabled state at all time, including system suspend.
* otherwise internal fuel gauge functionality may be affected.
*/
- ret = regmap_write(info->regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK);
+ ret = axp288_adc_set_state(axp20x->regmap);
if (ret) {
dev_err(&pdev->dev, "unable to enable ADC device\n");
return ret;
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 232c0b8..c3f8613 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -644,7 +644,7 @@
{
struct iio_dev *indio_dev = data;
struct ina2xx_chip_info *chip = iio_priv(indio_dev);
- unsigned int sampling_us = SAMPLING_PERIOD(chip);
+ int sampling_us = SAMPLING_PERIOD(chip);
int buffer_us;
/*
diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index e09233b..6096763 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -64,7 +64,7 @@
#define STM32H7_CKMODE_MASK GENMASK(17, 16)
/* STM32 H7 maximum analog clock rate (from datasheet) */
-#define STM32H7_ADC_MAX_CLK_RATE 72000000
+#define STM32H7_ADC_MAX_CLK_RATE 36000000
/**
* stm32_adc_common_regs - stm32 common registers, compatible dependent data
@@ -148,14 +148,14 @@
return -EINVAL;
}
- priv->common.rate = rate;
+ priv->common.rate = rate / stm32f4_pclk_div[i];
val = readl_relaxed(priv->common.base + STM32F4_ADC_CCR);
val &= ~STM32F4_ADC_ADCPRE_MASK;
val |= i << STM32F4_ADC_ADCPRE_SHIFT;
writel_relaxed(val, priv->common.base + STM32F4_ADC_CCR);
dev_dbg(&pdev->dev, "Using analog clock source at %ld kHz\n",
- rate / (stm32f4_pclk_div[i] * 1000));
+ priv->common.rate / 1000);
return 0;
}
@@ -250,7 +250,7 @@
out:
/* rate used later by each ADC instance to control BOOST mode */
- priv->common.rate = rate;
+ priv->common.rate = rate / div;
/* Set common clock mode and prescaler */
val = readl_relaxed(priv->common.base + STM32H7_ADC_CCR);
@@ -260,7 +260,7 @@
writel_relaxed(val, priv->common.base + STM32H7_ADC_CCR);
dev_dbg(&pdev->dev, "Using %s clock/%d source at %ld kHz\n",
- ckmode ? "bus" : "adc", div, rate / (div * 1000));
+ ckmode ? "bus" : "adc", div, priv->common.rate / 1000);
return 0;
}
diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
index 81d4c39..137f577 100644
--- a/drivers/iio/adc/sun4i-gpadc-iio.c
+++ b/drivers/iio/adc/sun4i-gpadc-iio.c
@@ -256,6 +256,7 @@
err:
pm_runtime_put_autosuspend(indio_dev->dev.parent);
+ disable_irq(irq);
mutex_unlock(&info->mutex);
return ret;
@@ -365,7 +366,6 @@
complete(&info->completion);
out:
- disable_irq_nosync(info->temp_data_irq);
return IRQ_HANDLED;
}
@@ -380,7 +380,6 @@
complete(&info->completion);
out:
- disable_irq_nosync(info->fifo_data_irq);
return IRQ_HANDLED;
}
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index 01fc76f..c168e0d 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -77,7 +77,7 @@
#define VF610_ADC_ADSTS_MASK 0x300
#define VF610_ADC_ADLPC_EN 0x80
#define VF610_ADC_ADHSC_EN 0x400
-#define VF610_ADC_REFSEL_VALT 0x100
+#define VF610_ADC_REFSEL_VALT 0x800
#define VF610_ADC_REFSEL_VBG 0x1000
#define VF610_ADC_ADTRG_HARD 0x2000
#define VF610_ADC_AVGS_8 0x4000
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 16ade0a..0e4b379 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -111,8 +111,6 @@
s32 poll_value = 0;
if (state) {
- if (!atomic_read(&st->user_requested_state))
- return 0;
if (sensor_hub_device_open(st->hsdev))
return -EIO;
@@ -161,6 +159,9 @@
&report_val);
}
+ pr_debug("HID_SENSOR %s set power_state %d report_state %d\n",
+ st->pdev->name, state_val, report_val);
+
sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
st->power_state.index,
sizeof(state_val), &state_val);
@@ -182,6 +183,7 @@
ret = pm_runtime_get_sync(&st->pdev->dev);
else {
pm_runtime_mark_last_busy(&st->pdev->dev);
+ pm_runtime_use_autosuspend(&st->pdev->dev);
ret = pm_runtime_put_autosuspend(&st->pdev->dev);
}
if (ret < 0) {
@@ -285,8 +287,6 @@
/* Default to 3 seconds, but can be changed from sysfs */
pm_runtime_set_autosuspend_delay(&attrb->pdev->dev,
3000);
- pm_runtime_use_autosuspend(&attrb->pdev->dev);
-
return ret;
error_unreg_trigger:
iio_trigger_unregister(trig);
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 79c8c7c..6e6a1ec 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -550,6 +550,31 @@
}
EXPORT_SYMBOL(st_sensors_read_info_raw);
+static int st_sensors_init_interface_mode(struct iio_dev *indio_dev,
+ const struct st_sensor_settings *sensor_settings)
+{
+ struct st_sensor_data *sdata = iio_priv(indio_dev);
+ struct device_node *np = sdata->dev->of_node;
+ struct st_sensors_platform_data *pdata;
+
+ pdata = (struct st_sensors_platform_data *)sdata->dev->platform_data;
+ if (((np && of_property_read_bool(np, "spi-3wire")) ||
+ (pdata && pdata->spi_3wire)) && sensor_settings->sim.addr) {
+ int err;
+
+ err = sdata->tf->write_byte(&sdata->tb, sdata->dev,
+ sensor_settings->sim.addr,
+ sensor_settings->sim.value);
+ if (err < 0) {
+ dev_err(&indio_dev->dev,
+ "failed to init interface mode\n");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
int st_sensors_check_device_support(struct iio_dev *indio_dev,
int num_sensors_list,
const struct st_sensor_settings *sensor_settings)
@@ -574,6 +599,10 @@
return -ENODEV;
}
+ err = st_sensors_init_interface_mode(indio_dev, &sensor_settings[i]);
+ if (err < 0)
+ return err;
+
if (sensor_settings[i].wai_addr) {
err = sdata->tf->read_byte(&sdata->tb, sdata->dev,
sensor_settings[i].wai_addr, &wai);
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index 8cf84d3..1289842 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -696,7 +696,7 @@
.gyro_max_val = IIO_RAD_TO_DEGREE(22500),
.gyro_max_scale = 450,
.accel_max_val = IIO_M_S_2_TO_G(12500),
- .accel_max_scale = 5,
+ .accel_max_scale = 10,
},
[ADIS16485] = {
.channels = adis16485_channels,
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index e7d4ea7..7599693 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -626,7 +626,7 @@
struct tsl2563_chip *chip = iio_priv(dev_info);
iio_push_event(dev_info,
- IIO_UNMOD_EVENT_CODE(IIO_LIGHT,
+ IIO_UNMOD_EVENT_CODE(IIO_INTENSITY,
0,
IIO_EV_TYPE_THRESH,
IIO_EV_DIR_EITHER),
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index 8e1b086..c385636 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -356,9 +356,7 @@
.drdy_irq = {
.addr = 0x62,
.mask_int1 = 0x01,
- .addr_ihl = 0x63,
- .mask_ihl = 0x04,
- .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
+ .addr_stat_drdy = 0x67,
},
.multi_read_bit = false,
.bootime = 2,
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index d82b788..0d2ea3e 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -282,6 +282,11 @@
}
adc_temp = be32_to_cpu(tmp) >> 12;
+ if (adc_temp == BMP280_TEMP_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading temperature skipped\n");
+ return -EIO;
+ }
comp_temp = bmp280_compensate_temp(data, adc_temp);
/*
@@ -317,6 +322,11 @@
}
adc_press = be32_to_cpu(tmp) >> 12;
+ if (adc_press == BMP280_PRESS_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading pressure skipped\n");
+ return -EIO;
+ }
comp_press = bmp280_compensate_press(data, adc_press);
*val = comp_press;
@@ -345,6 +355,11 @@
}
adc_humidity = be16_to_cpu(tmp);
+ if (adc_humidity == BMP280_HUMIDITY_SKIPPED) {
+ /* reading was skipped */
+ dev_err(data->dev, "reading humidity skipped\n");
+ return -EIO;
+ }
comp_humidity = bmp280_compensate_humidity(data, adc_humidity);
*val = comp_humidity;
@@ -597,14 +612,20 @@
static int bme280_chip_config(struct bmp280_data *data)
{
- int ret = bmp280_chip_config(data);
+ int ret;
u8 osrs = BMP280_OSRS_HUMIDITIY_X(data->oversampling_humid + 1);
+ /*
+ * Oversampling of humidity must be set before oversampling of
+ * temperature/pressure is set to become effective.
+ */
+ ret = regmap_update_bits(data->regmap, BMP280_REG_CTRL_HUMIDITY,
+ BMP280_OSRS_HUMIDITY_MASK, osrs);
+
if (ret < 0)
return ret;
- return regmap_update_bits(data->regmap, BMP280_REG_CTRL_HUMIDITY,
- BMP280_OSRS_HUMIDITY_MASK, osrs);
+ return bmp280_chip_config(data);
}
static const struct bmp280_chip_info bme280_chip_info = {
diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h
index 2c770e1..6134743 100644
--- a/drivers/iio/pressure/bmp280.h
+++ b/drivers/iio/pressure/bmp280.h
@@ -96,6 +96,11 @@
#define BME280_CHIP_ID 0x60
#define BMP280_SOFT_RESET_VAL 0xB6
+/* BMP280 register skipped special values */
+#define BMP280_TEMP_SKIPPED 0x80000
+#define BMP280_PRESS_SKIPPED 0x80000
+#define BMP280_HUMIDITY_SKIPPED 0x8000
+
/* Regmap configurations */
extern const struct regmap_config bmp180_regmap_config;
extern const struct regmap_config bmp280_regmap_config;
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index aa61ec1..f1bce05 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -456,7 +456,7 @@
.mask_od = 0x40,
.addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR,
},
- .multi_read_bit = true,
+ .multi_read_bit = false,
.bootime = 2,
},
};
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index d22bc56..25ad6ab 100644
--- a/drivers/iio/trigger/stm32-timer-trigger.c
+++ b/drivers/iio/trigger/stm32-timer-trigger.c
@@ -366,34 +366,32 @@
int *val, int *val2, long mask)
{
struct stm32_timer_trigger *priv = iio_priv(indio_dev);
+ u32 dat;
switch (mask) {
case IIO_CHAN_INFO_RAW:
- {
- u32 cnt;
-
- regmap_read(priv->regmap, TIM_CNT, &cnt);
- *val = cnt;
-
+ regmap_read(priv->regmap, TIM_CNT, &dat);
+ *val = dat;
return IIO_VAL_INT;
- }
- case IIO_CHAN_INFO_SCALE:
- {
- u32 smcr;
- regmap_read(priv->regmap, TIM_SMCR, &smcr);
- smcr &= TIM_SMCR_SMS;
+ case IIO_CHAN_INFO_ENABLE:
+ regmap_read(priv->regmap, TIM_CR1, &dat);
+ *val = (dat & TIM_CR1_CEN) ? 1 : 0;
+ return IIO_VAL_INT;
+
+ case IIO_CHAN_INFO_SCALE:
+ regmap_read(priv->regmap, TIM_SMCR, &dat);
+ dat &= TIM_SMCR_SMS;
*val = 1;
*val2 = 0;
/* in quadrature case scale = 0.25 */
- if (smcr == 3)
+ if (dat == 3)
*val2 = 2;
return IIO_VAL_FRACTIONAL_LOG2;
}
- }
return -EINVAL;
}
@@ -403,15 +401,31 @@
int val, int val2, long mask)
{
struct stm32_timer_trigger *priv = iio_priv(indio_dev);
+ u32 dat;
switch (mask) {
case IIO_CHAN_INFO_RAW:
- regmap_write(priv->regmap, TIM_CNT, val);
+ return regmap_write(priv->regmap, TIM_CNT, val);
- return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
/* fixed scale */
return -EINVAL;
+
+ case IIO_CHAN_INFO_ENABLE:
+ if (val) {
+ regmap_read(priv->regmap, TIM_CR1, &dat);
+ if (!(dat & TIM_CR1_CEN))
+ clk_enable(priv->clk);
+ regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN,
+ TIM_CR1_CEN);
+ } else {
+ regmap_read(priv->regmap, TIM_CR1, &dat);
+ regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN,
+ 0);
+ if (dat & TIM_CR1_CEN)
+ clk_disable(priv->clk);
+ }
+ return 0;
}
return -EINVAL;
@@ -471,7 +485,7 @@
regmap_read(priv->regmap, TIM_SMCR, &smcr);
- return smcr == TIM_SMCR_SMS ? 0 : -EINVAL;
+ return (smcr & TIM_SMCR_SMS) == TIM_SMCR_SMS ? 0 : -EINVAL;
}
static const struct iio_enum stm32_trigger_mode_enum = {
@@ -507,9 +521,19 @@
{
struct stm32_timer_trigger *priv = iio_priv(indio_dev);
int sms = stm32_enable_mode2sms(mode);
+ u32 val;
if (sms < 0)
return sms;
+ /*
+ * Triggered mode sets CEN bit automatically by hardware. So, first
+ * enable counter clock, so it can use it. Keeps it in sync with CEN.
+ */
+ if (sms == 6) {
+ regmap_read(priv->regmap, TIM_CR1, &val);
+ if (!(val & TIM_CR1_CEN))
+ clk_enable(priv->clk);
+ }
regmap_update_bits(priv->regmap, TIM_SMCR, TIM_SMCR_SMS, sms);
@@ -571,11 +595,14 @@
{
struct stm32_timer_trigger *priv = iio_priv(indio_dev);
u32 smcr;
+ int mode;
regmap_read(priv->regmap, TIM_SMCR, &smcr);
- smcr &= TIM_SMCR_SMS;
+ mode = (smcr & TIM_SMCR_SMS) - 1;
+ if ((mode < 0) || (mode > ARRAY_SIZE(stm32_quadrature_modes)))
+ return -EINVAL;
- return smcr - 1;
+ return mode;
}
static const struct iio_enum stm32_quadrature_mode_enum = {
@@ -592,13 +619,20 @@
static int stm32_set_count_direction(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan,
- unsigned int mode)
+ unsigned int dir)
{
struct stm32_timer_trigger *priv = iio_priv(indio_dev);
+ u32 val;
+ int mode;
- regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_DIR, mode);
+ /* In encoder mode, direction is RO (given by TI1/TI2 signals) */
+ regmap_read(priv->regmap, TIM_SMCR, &val);
+ mode = (val & TIM_SMCR_SMS) - 1;
+ if ((mode >= 0) || (mode < ARRAY_SIZE(stm32_quadrature_modes)))
+ return -EBUSY;
- return 0;
+ return regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_DIR,
+ dir ? TIM_CR1_DIR : 0);
}
static int stm32_get_count_direction(struct iio_dev *indio_dev,
@@ -609,7 +643,7 @@
regmap_read(priv->regmap, TIM_CR1, &cr1);
- return (cr1 & TIM_CR1_DIR);
+ return ((cr1 & TIM_CR1_DIR) ? 1 : 0);
}
static const struct iio_enum stm32_count_direction_enum = {
@@ -672,7 +706,9 @@
static const struct iio_chan_spec stm32_trigger_channel = {
.type = IIO_COUNT,
.channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_ENABLE) |
+ BIT(IIO_CHAN_INFO_SCALE),
.ext_info = stm32_trigger_count_info,
.indexed = 1
};
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index a6cb379..437522c 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -61,6 +61,7 @@
void (*callback)(int status, struct sockaddr *src_addr,
struct rdma_dev_addr *addr, void *context);
unsigned long timeout;
+ struct delayed_work work;
int status;
u32 seq;
};
@@ -268,6 +269,7 @@
return ret;
ret = rdma_copy_addr(dev_addr, dev, NULL);
+ dev_addr->bound_dev_if = dev->ifindex;
if (vlan_id)
*vlan_id = rdma_vlan_dev_vlan_id(dev);
dev_put(dev);
@@ -280,6 +282,7 @@
&((const struct sockaddr_in6 *)addr)->sin6_addr,
dev, 1)) {
ret = rdma_copy_addr(dev_addr, dev, NULL);
+ dev_addr->bound_dev_if = dev->ifindex;
if (vlan_id)
*vlan_id = rdma_vlan_dev_vlan_id(dev);
break;
@@ -293,7 +296,7 @@
}
EXPORT_SYMBOL(rdma_translate_ip);
-static void set_timeout(unsigned long time)
+static void set_timeout(struct delayed_work *delayed_work, unsigned long time)
{
unsigned long delay;
@@ -301,7 +304,7 @@
if ((long)delay < 0)
delay = 0;
- mod_delayed_work(addr_wq, &work, delay);
+ mod_delayed_work(addr_wq, delayed_work, delay);
}
static void queue_req(struct addr_req *req)
@@ -316,8 +319,7 @@
list_add(&req->list, &temp_req->list);
- if (req_list.next == &req->list)
- set_timeout(req->timeout);
+ set_timeout(&req->work, req->timeout);
mutex_unlock(&lock);
}
@@ -405,10 +407,10 @@
fl4.saddr = src_ip;
fl4.flowi4_oif = addr->bound_dev_if;
rt = ip_route_output_key(addr->net, &fl4);
- if (IS_ERR(rt)) {
- ret = PTR_ERR(rt);
- goto out;
- }
+ ret = PTR_ERR_OR_ZERO(rt);
+ if (ret)
+ return ret;
+
src_in->sin_family = AF_INET;
src_in->sin_addr.s_addr = fl4.saddr;
@@ -423,8 +425,6 @@
*prt = rt;
return 0;
-out:
- return ret;
}
#if IS_ENABLED(CONFIG_IPV6)
@@ -509,6 +509,11 @@
struct dst_entry *dst;
int ret;
+ if (!addr->net) {
+ pr_warn_ratelimited("%s: missing namespace\n", __func__);
+ return -EINVAL;
+ }
+
if (src_in->sa_family == AF_INET) {
struct rtable *rt = NULL;
const struct sockaddr_in *dst_in4 =
@@ -522,8 +527,12 @@
if (resolve_neigh)
ret = addr_resolve_neigh(&rt->dst, dst_in, addr, seq);
- ndev = rt->dst.dev;
- dev_hold(ndev);
+ if (addr->bound_dev_if) {
+ ndev = dev_get_by_index(addr->net, addr->bound_dev_if);
+ } else {
+ ndev = rt->dst.dev;
+ dev_hold(ndev);
+ }
ip_rt_put(rt);
} else {
@@ -539,19 +548,63 @@
if (resolve_neigh)
ret = addr_resolve_neigh(dst, dst_in, addr, seq);
- ndev = dst->dev;
- dev_hold(ndev);
+ if (addr->bound_dev_if) {
+ ndev = dev_get_by_index(addr->net, addr->bound_dev_if);
+ } else {
+ ndev = dst->dev;
+ dev_hold(ndev);
+ }
dst_release(dst);
}
- addr->bound_dev_if = ndev->ifindex;
- addr->net = dev_net(ndev);
+ if (ndev->flags & IFF_LOOPBACK) {
+ ret = rdma_translate_ip(dst_in, addr, NULL);
+ /*
+ * Put the loopback device and get the translated
+ * device instead.
+ */
+ dev_put(ndev);
+ ndev = dev_get_by_index(addr->net, addr->bound_dev_if);
+ } else {
+ addr->bound_dev_if = ndev->ifindex;
+ }
dev_put(ndev);
return ret;
}
+static void process_one_req(struct work_struct *_work)
+{
+ struct addr_req *req;
+ struct sockaddr *src_in, *dst_in;
+
+ mutex_lock(&lock);
+ req = container_of(_work, struct addr_req, work.work);
+
+ if (req->status == -ENODATA) {
+ src_in = (struct sockaddr *)&req->src_addr;
+ dst_in = (struct sockaddr *)&req->dst_addr;
+ req->status = addr_resolve(src_in, dst_in, req->addr,
+ true, req->seq);
+ if (req->status && time_after_eq(jiffies, req->timeout)) {
+ req->status = -ETIMEDOUT;
+ } else if (req->status == -ENODATA) {
+ /* requeue the work for retrying again */
+ set_timeout(&req->work, req->timeout);
+ mutex_unlock(&lock);
+ return;
+ }
+ }
+ list_del(&req->list);
+ mutex_unlock(&lock);
+
+ req->callback(req->status, (struct sockaddr *)&req->src_addr,
+ req->addr, req->context);
+ put_client(req->client);
+ kfree(req);
+}
+
static void process_req(struct work_struct *work)
{
struct addr_req *req, *temp_req;
@@ -569,20 +622,23 @@
true, req->seq);
if (req->status && time_after_eq(jiffies, req->timeout))
req->status = -ETIMEDOUT;
- else if (req->status == -ENODATA)
+ else if (req->status == -ENODATA) {
+ set_timeout(&req->work, req->timeout);
continue;
+ }
}
list_move_tail(&req->list, &done_list);
}
- if (!list_empty(&req_list)) {
- req = list_entry(req_list.next, struct addr_req, list);
- set_timeout(req->timeout);
- }
mutex_unlock(&lock);
list_for_each_entry_safe(req, temp_req, &done_list, list) {
list_del(&req->list);
+ /* It is safe to cancel other work items from this work item
+ * because at a time there can be only one work item running
+ * with this single threaded work queue.
+ */
+ cancel_delayed_work(&req->work);
req->callback(req->status, (struct sockaddr *) &req->src_addr,
req->addr, req->context);
put_client(req->client);
@@ -625,6 +681,7 @@
req->context = context;
req->client = client;
atomic_inc(&client->refcount);
+ INIT_DELAYED_WORK(&req->work, process_one_req);
req->seq = (u32)atomic_inc_return(&ib_nl_addr_request_seq);
req->status = addr_resolve(src_in, dst_in, addr, true, req->seq);
@@ -679,7 +736,7 @@
req->status = -ECANCELED;
req->timeout = jiffies;
list_move(&req->list, &req_list);
- set_timeout(req->timeout);
+ set_timeout(&req->work, req->timeout);
break;
}
}
@@ -785,9 +842,8 @@
if (event == NETEVENT_NEIGH_UPDATE) {
struct neighbour *neigh = ctx;
- if (neigh->nud_state & NUD_VALID) {
- set_timeout(jiffies);
- }
+ if (neigh->nud_state & NUD_VALID)
+ set_timeout(&work, jiffies);
}
return 0;
}
@@ -798,7 +854,7 @@
int addr_init(void)
{
- addr_wq = alloc_workqueue("ib_addr", WQ_MEM_RECLAIM, 0);
+ addr_wq = alloc_ordered_workqueue("ib_addr", WQ_MEM_RECLAIM);
if (!addr_wq)
return -ENOMEM;
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 31bb82d..0eb3932 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -623,22 +623,11 @@
if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port))
return ret;
- if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port)) {
+ if (dev_type == ARPHRD_ETHER && rdma_protocol_roce(device, port))
ndev = dev_get_by_index(&init_net, bound_if_index);
- if (ndev && ndev->flags & IFF_LOOPBACK) {
- pr_info("detected loopback device\n");
- dev_put(ndev);
-
- if (!device->get_netdev)
- return -EOPNOTSUPP;
-
- ndev = device->get_netdev(device, port);
- if (!ndev)
- return -ENODEV;
- }
- } else {
+ else
gid_type = IB_GID_TYPE_IB;
- }
+
ret = ib_find_cached_gid_by_port(device, gid, gid_type, port,
ndev, NULL);
@@ -1044,6 +1033,8 @@
} else
ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
qp_attr_mask);
+ qp_attr->port_num = id_priv->id.port_num;
+ *qp_attr_mask |= IB_QP_PORT;
} else
ret = -ENOSYS;
@@ -2569,21 +2560,6 @@
goto err2;
}
- if (ndev->flags & IFF_LOOPBACK) {
- dev_put(ndev);
- if (!id_priv->id.device->get_netdev) {
- ret = -EOPNOTSUPP;
- goto err2;
- }
-
- ndev = id_priv->id.device->get_netdev(id_priv->id.device,
- id_priv->id.port_num);
- if (!ndev) {
- ret = -ENODEV;
- goto err2;
- }
- }
-
supported_gids = roce_gid_type_mask_support(id_priv->id.device,
id_priv->id.port_num);
gid_type = cma_route_gid_type(addr->dev_addr.network,
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a5dfab6..221468f 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -537,10 +537,11 @@
}
up_read(&lists_rwsem);
- mutex_unlock(&device_mutex);
-
ib_device_unregister_rdmacg(device);
ib_device_unregister_sysfs(device);
+
+ mutex_unlock(&device_mutex);
+
ib_cache_cleanup_one(device);
ib_security_destroy_port_pkey_list(device);
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index db958d3..94a9eef 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -42,6 +42,8 @@
#include <rdma/ib_cache.h>
#include <rdma/ib_addr.h>
+static struct workqueue_struct *gid_cache_wq;
+
enum gid_op_type {
GID_DEL = 0,
GID_ADD
@@ -560,7 +562,7 @@
}
INIT_WORK(&ndev_work->work, netdevice_event_work_handler);
- queue_work(ib_wq, &ndev_work->work);
+ queue_work(gid_cache_wq, &ndev_work->work);
return NOTIFY_DONE;
}
@@ -693,7 +695,7 @@
dev_hold(ndev);
work->gid_attr.ndev = ndev;
- queue_work(ib_wq, &work->work);
+ queue_work(gid_cache_wq, &work->work);
return NOTIFY_DONE;
}
@@ -740,6 +742,10 @@
int __init roce_gid_mgmt_init(void)
{
+ gid_cache_wq = alloc_ordered_workqueue("gid-cache-wq", 0);
+ if (!gid_cache_wq)
+ return -ENOMEM;
+
register_inetaddr_notifier(&nb_inetaddr);
if (IS_ENABLED(CONFIG_IPV6))
register_inet6addr_notifier(&nb_inet6addr);
@@ -764,4 +770,5 @@
* ib-core is removed, all physical devices have been removed,
* so no issue with remaining hardware contexts.
*/
+ destroy_workqueue(gid_cache_wq);
}
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c
index 8c4ec56..55e8f5e 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -166,24 +166,6 @@
return 0;
}
-static void ib_umem_notifier_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- struct ib_ucontext *context = container_of(mn, struct ib_ucontext, mn);
-
- if (!context->invalidate_range)
- return;
-
- ib_ucontext_notifier_start_account(context);
- down_read(&context->umem_rwsem);
- rbt_ib_umem_for_each_in_range(&context->umem_tree, address,
- address + PAGE_SIZE,
- invalidate_page_trampoline, NULL);
- up_read(&context->umem_rwsem);
- ib_ucontext_notifier_end_account(context);
-}
-
static int invalidate_range_start_trampoline(struct ib_umem *item, u64 start,
u64 end, void *cookie)
{
@@ -237,7 +219,6 @@
static const struct mmu_notifier_ops ib_umem_notifiers = {
.release = ib_umem_notifier_release,
- .invalidate_page = ib_umem_notifier_invalidate_page,
.invalidate_range_start = ib_umem_notifier_invalidate_range_start,
.invalidate_range_end = ib_umem_notifier_invalidate_range_end,
};
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 8ba9bfb..739bd69 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1015,7 +1015,7 @@
cq->uobject = &obj->uobject;
cq->comp_handler = ib_uverbs_comp_handler;
cq->event_handler = ib_uverbs_cq_event_handler;
- cq->cq_context = &ev_file->ev_queue;
+ cq->cq_context = ev_file ? &ev_file->ev_queue : NULL;
atomic_set(&cq->usecnt, 0);
obj->uobject.object = cq;
@@ -1153,7 +1153,7 @@
int out_len)
{
struct ib_uverbs_resize_cq cmd;
- struct ib_uverbs_resize_cq_resp resp;
+ struct ib_uverbs_resize_cq_resp resp = {};
struct ib_udata udata;
struct ib_cq *cq;
int ret = -EINVAL;
@@ -1296,7 +1296,6 @@
struct ib_uobject *uobj;
struct ib_cq *cq;
struct ib_ucq_object *obj;
- struct ib_uverbs_event_queue *ev_queue;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
@@ -1313,7 +1312,6 @@
*/
uverbs_uobject_get(uobj);
cq = uobj->object;
- ev_queue = cq->cq_context;
obj = container_of(cq->uobject, struct ib_ucq_object, uobject);
memset(&resp, 0, sizeof(resp));
@@ -1524,6 +1522,7 @@
qp->qp_type = attr.qp_type;
atomic_set(&qp->usecnt, 0);
atomic_inc(&pd->usecnt);
+ qp->port = 0;
if (attr.send_cq)
atomic_inc(&attr.send_cq->usecnt);
if (attr.recv_cq)
@@ -1935,7 +1934,8 @@
goto out;
}
- if (!rdma_is_port_valid(qp->device, cmd->base.port_num)) {
+ if ((cmd->base.attr_mask & IB_QP_PORT) &&
+ !rdma_is_port_valid(qp->device, cmd->base.port_num)) {
ret = -EINVAL;
goto release_qp;
}
@@ -1963,8 +1963,9 @@
attr->alt_timeout = cmd->base.alt_timeout;
attr->rate_limit = cmd->rate_limit;
- attr->ah_attr.type = rdma_ah_find_type(qp->device,
- cmd->base.dest.port_num);
+ if (cmd->base.attr_mask & IB_QP_AV)
+ attr->ah_attr.type = rdma_ah_find_type(qp->device,
+ cmd->base.dest.port_num);
if (cmd->base.dest.is_global) {
rdma_ah_set_grh(&attr->ah_attr, NULL,
cmd->base.dest.flow_label,
@@ -1982,8 +1983,9 @@
rdma_ah_set_port_num(&attr->ah_attr,
cmd->base.dest.port_num);
- attr->alt_ah_attr.type = rdma_ah_find_type(qp->device,
- cmd->base.dest.port_num);
+ if (cmd->base.attr_mask & IB_QP_ALT_PATH)
+ attr->alt_ah_attr.type =
+ rdma_ah_find_type(qp->device, cmd->base.dest.port_num);
if (cmd->base.alt_dest.is_global) {
rdma_ah_set_grh(&attr->alt_ah_attr, NULL,
cmd->base.alt_dest.flow_label,
@@ -2005,28 +2007,13 @@
rdma_ah_set_port_num(&attr->alt_ah_attr,
cmd->base.alt_dest.port_num);
- if (qp->real_qp == qp) {
- if (cmd->base.attr_mask & IB_QP_AV) {
- ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr);
- if (ret)
- goto release_qp;
- }
- ret = ib_security_modify_qp(qp,
- attr,
- modify_qp_mask(qp->qp_type,
- cmd->base.attr_mask),
- udata);
- } else {
- ret = ib_security_modify_qp(qp,
- attr,
- modify_qp_mask(qp->qp_type,
- cmd->base.attr_mask),
- NULL);
- }
+ ret = ib_modify_qp_with_udata(qp, attr,
+ modify_qp_mask(qp->qp_type,
+ cmd->base.attr_mask),
+ udata);
release_qp:
uobj_put_obj_read(qp);
-
out:
kfree(attr);
@@ -2103,7 +2090,6 @@
struct ib_uverbs_destroy_qp cmd;
struct ib_uverbs_destroy_qp_resp resp;
struct ib_uobject *uobj;
- struct ib_qp *qp;
struct ib_uqp_object *obj;
int ret = -EINVAL;
@@ -2117,7 +2103,6 @@
if (IS_ERR(uobj))
return PTR_ERR(uobj);
- qp = uobj->object;
obj = container_of(uobj, struct ib_uqp_object, uevent.uobject);
/*
* Make sure we don't free the memory in remove_commit as we still
@@ -3019,7 +3004,6 @@
{
struct ib_uverbs_ex_destroy_wq cmd = {};
struct ib_uverbs_ex_destroy_wq_resp resp = {};
- struct ib_wq *wq;
struct ib_uobject *uobj;
struct ib_uwq_object *obj;
size_t required_cmd_sz;
@@ -3053,7 +3037,6 @@
if (IS_ERR(uobj))
return PTR_ERR(uobj);
- wq = uobj->object;
obj = container_of(uobj, struct ib_uwq_object, uevent.uobject);
/*
* Make sure we don't free the memory in remove_commit as we still
@@ -3743,10 +3726,8 @@
struct ib_uverbs_destroy_srq cmd;
struct ib_uverbs_destroy_srq_resp resp;
struct ib_uobject *uobj;
- struct ib_srq *srq;
struct ib_uevent_object *obj;
int ret = -EINVAL;
- enum ib_srq_type srq_type;
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
@@ -3756,9 +3737,7 @@
if (IS_ERR(uobj))
return PTR_ERR(uobj);
- srq = uobj->object;
obj = container_of(uobj, struct ib_uevent_object, uobject);
- srq_type = srq->srq_type;
/*
* Make sure we don't free the memory in remove_commit as we still
* needs the uobject memory to create the response.
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 3d26096..5e530d2 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -250,6 +250,7 @@
if (atomic_dec_and_test(&file->device->refcount))
ib_uverbs_comp_dev(file->device);
+ kobject_put(&file->device->kobj);
kfree(file);
}
@@ -917,7 +918,6 @@
static int ib_uverbs_close(struct inode *inode, struct file *filp)
{
struct ib_uverbs_file *file = filp->private_data;
- struct ib_uverbs_device *dev = file->device;
mutex_lock(&file->cleanup_mutex);
if (file->ucontext) {
@@ -939,7 +939,6 @@
ib_uverbs_release_async_event_file);
kref_put(&file->ref, ib_uverbs_release_file);
- kobject_put(&dev->kobj);
return 0;
}
@@ -1154,7 +1153,6 @@
kref_get(&file->ref);
mutex_unlock(&uverbs_dev->lists_mutex);
- ib_uverbs_event_handler(&file->event_handler, &event);
mutex_lock(&file->cleanup_mutex);
ucontext = file->ucontext;
@@ -1171,6 +1169,7 @@
* for example due to freeing the resources
* (e.g mmput).
*/
+ ib_uverbs_event_handler(&file->event_handler, &event);
ib_dev->disassociate_ucontext(ucontext);
mutex_lock(&file->cleanup_mutex);
ib_uverbs_cleanup_ucontext(file, ucontext, true);
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index c973a83c..b456e3c 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -452,6 +452,19 @@
}
EXPORT_SYMBOL(ib_get_gids_from_rdma_hdr);
+/*
+ * This function creates ah from the incoming packet.
+ * Incoming packet has dgid of the receiver node on which this code is
+ * getting executed and, sgid contains the GID of the sender.
+ *
+ * When resolving mac address of destination, the arrived dgid is used
+ * as sgid and, sgid is used as dgid because sgid contains destinations
+ * GID whom to respond to.
+ *
+ * This is why when calling rdma_addr_find_l2_eth_by_grh() function, the
+ * position of arguments dgid and sgid do not match the order of the
+ * parameters.
+ */
int ib_init_ah_from_wc(struct ib_device *device, u8 port_num,
const struct ib_wc *wc, const struct ib_grh *grh,
struct rdma_ah_attr *ah_attr)
@@ -507,11 +520,6 @@
}
resolved_dev = dev_get_by_index(&init_net, if_index);
- if (resolved_dev->flags & IFF_LOOPBACK) {
- dev_put(resolved_dev);
- resolved_dev = idev;
- dev_hold(resolved_dev);
- }
rcu_read_lock();
if (resolved_dev != idev && !rdma_is_upper_dev_rcu(idev,
resolved_dev))
@@ -830,6 +838,7 @@
spin_lock_init(&qp->mr_lock);
INIT_LIST_HEAD(&qp->rdma_mrs);
INIT_LIST_HEAD(&qp->sig_mrs);
+ qp->port = 0;
if (qp_init_attr->qp_type == IB_QPT_XRC_TGT)
return ib_create_xrc_qp(qp, qp_init_attr);
@@ -1268,20 +1277,40 @@
}
EXPORT_SYMBOL(ib_resolve_eth_dmac);
+/**
+ * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
+ * @qp: The QP to modify.
+ * @attr: On input, specifies the QP attributes to modify. On output,
+ * the current values of selected QP attributes are returned.
+ * @attr_mask: A bit-mask used to specify which attributes of the QP
+ * are being modified.
+ * @udata: pointer to user's input output buffer information
+ * are being modified.
+ * It returns 0 on success and returns appropriate error code on error.
+ */
+int ib_modify_qp_with_udata(struct ib_qp *qp, struct ib_qp_attr *attr,
+ int attr_mask, struct ib_udata *udata)
+{
+ int ret;
+
+ if (attr_mask & IB_QP_AV) {
+ ret = ib_resolve_eth_dmac(qp->device, &attr->ah_attr);
+ if (ret)
+ return ret;
+ }
+ ret = ib_security_modify_qp(qp, attr, attr_mask, udata);
+ if (!ret && (attr_mask & IB_QP_PORT))
+ qp->port = attr->port_num;
+
+ return ret;
+}
+EXPORT_SYMBOL(ib_modify_qp_with_udata);
+
int ib_modify_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask)
{
-
- if (qp_attr_mask & IB_QP_AV) {
- int ret;
-
- ret = ib_resolve_eth_dmac(qp->device, &qp_attr->ah_attr);
- if (ret)
- return ret;
- }
-
- return ib_security_modify_qp(qp->real_qp, qp_attr, qp_attr_mask, NULL);
+ return ib_modify_qp_with_udata(qp, qp_attr, qp_attr_mask, NULL);
}
EXPORT_SYMBOL(ib_modify_qp);
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
index 0877283..8552753 100644
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -51,6 +51,8 @@
#define BNXT_RE_PAGE_SIZE_8M BIT(23)
#define BNXT_RE_PAGE_SIZE_1G BIT(30)
+#define BNXT_RE_MAX_MR_SIZE BIT(30)
+
#define BNXT_RE_MAX_QPC_COUNT (64 * 1024)
#define BNXT_RE_MAX_MRW_COUNT (64 * 1024)
#define BNXT_RE_MAX_SRQC_COUNT (64 * 1024)
@@ -60,6 +62,13 @@
#define BNXT_RE_RQ_WQE_THRESHOLD 32
+/*
+ * Setting the default ack delay value to 16, which means
+ * the default timeout is approx. 260ms(4 usec * 2 ^(timeout))
+ */
+
+#define BNXT_RE_DEFAULT_ACK_DELAY 16
+
struct bnxt_re_work {
struct work_struct work;
unsigned long event;
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index c7bd683..f0e01b3 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -145,10 +145,8 @@
ib_attr->fw_ver = (u64)(unsigned long)(dev_attr->fw_ver);
bnxt_qplib_get_guid(rdev->netdev->dev_addr,
(u8 *)&ib_attr->sys_image_guid);
- ib_attr->max_mr_size = ~0ull;
- ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_8K |
- BNXT_RE_PAGE_SIZE_64K | BNXT_RE_PAGE_SIZE_2M |
- BNXT_RE_PAGE_SIZE_8M | BNXT_RE_PAGE_SIZE_1G;
+ ib_attr->max_mr_size = BNXT_RE_MAX_MR_SIZE;
+ ib_attr->page_size_cap = BNXT_RE_PAGE_SIZE_4K;
ib_attr->vendor_id = rdev->en_dev->pdev->vendor;
ib_attr->vendor_part_id = rdev->en_dev->pdev->device;
@@ -174,9 +172,11 @@
ib_attr->max_mr = dev_attr->max_mr;
ib_attr->max_pd = dev_attr->max_pd;
ib_attr->max_qp_rd_atom = dev_attr->max_qp_rd_atom;
- ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_rd_atom;
- ib_attr->atomic_cap = IB_ATOMIC_HCA;
- ib_attr->masked_atomic_cap = IB_ATOMIC_HCA;
+ ib_attr->max_qp_init_rd_atom = dev_attr->max_qp_init_rd_atom;
+ if (dev_attr->is_atomic) {
+ ib_attr->atomic_cap = IB_ATOMIC_HCA;
+ ib_attr->masked_atomic_cap = IB_ATOMIC_HCA;
+ }
ib_attr->max_ee_rd_atom = 0;
ib_attr->max_res_rd_atom = 0;
@@ -201,7 +201,7 @@
ib_attr->max_fast_reg_page_list_len = MAX_PBL_LVL_1_PGS;
ib_attr->max_pkeys = 1;
- ib_attr->local_ca_ack_delay = 0;
+ ib_attr->local_ca_ack_delay = BNXT_RE_DEFAULT_ACK_DELAY;
return 0;
}
@@ -390,15 +390,17 @@
return -EINVAL;
ctx->refcnt--;
if (!ctx->refcnt) {
- rc = bnxt_qplib_del_sgid
- (sgid_tbl,
- &sgid_tbl->tbl[ctx->idx], true);
- if (rc)
+ rc = bnxt_qplib_del_sgid(sgid_tbl,
+ &sgid_tbl->tbl[ctx->idx],
+ true);
+ if (rc) {
dev_err(rdev_to_dev(rdev),
"Failed to remove GID: %#x", rc);
- ctx_tbl = sgid_tbl->ctx;
- ctx_tbl[ctx->idx] = NULL;
- kfree(ctx);
+ } else {
+ ctx_tbl = sgid_tbl->ctx;
+ ctx_tbl[ctx->idx] = NULL;
+ kfree(ctx);
+ }
}
} else {
return -EINVAL;
@@ -588,10 +590,10 @@
/* Create a fence MW only for kernel consumers */
mw = bnxt_re_alloc_mw(&pd->ib_pd, IB_MW_TYPE_1, NULL);
- if (!mw) {
+ if (IS_ERR(mw)) {
dev_err(rdev_to_dev(rdev),
"Failed to create fence-MW for PD: %p\n", pd);
- rc = -EINVAL;
+ rc = PTR_ERR(mw);
goto fail;
}
fence->mw = mw;
@@ -612,30 +614,13 @@
int rc;
bnxt_re_destroy_fence_mr(pd);
- if (ib_pd->uobject && pd->dpi.dbr) {
- struct ib_ucontext *ib_uctx = ib_pd->uobject->context;
- struct bnxt_re_ucontext *ucntx;
- /* Free DPI only if this is the first PD allocated by the
- * application and mark the context dpi as NULL
- */
- ucntx = container_of(ib_uctx, struct bnxt_re_ucontext, ib_uctx);
-
- rc = bnxt_qplib_dealloc_dpi(&rdev->qplib_res,
- &rdev->qplib_res.dpi_tbl,
- &pd->dpi);
+ if (pd->qplib_pd.id) {
+ rc = bnxt_qplib_dealloc_pd(&rdev->qplib_res,
+ &rdev->qplib_res.pd_tbl,
+ &pd->qplib_pd);
if (rc)
- dev_err(rdev_to_dev(rdev), "Failed to deallocate HW DPI");
- /* Don't fail, continue*/
- ucntx->dpi = NULL;
- }
-
- rc = bnxt_qplib_dealloc_pd(&rdev->qplib_res,
- &rdev->qplib_res.pd_tbl,
- &pd->qplib_pd);
- if (rc) {
- dev_err(rdev_to_dev(rdev), "Failed to deallocate HW PD");
- return rc;
+ dev_err(rdev_to_dev(rdev), "Failed to deallocate HW PD");
}
kfree(pd);
@@ -667,23 +652,22 @@
if (udata) {
struct bnxt_re_pd_resp resp;
- if (!ucntx->dpi) {
+ if (!ucntx->dpi.dbr) {
/* Allocate DPI in alloc_pd to avoid failing of
* ibv_devinfo and family of application when DPIs
* are depleted.
*/
if (bnxt_qplib_alloc_dpi(&rdev->qplib_res.dpi_tbl,
- &pd->dpi, ucntx)) {
+ &ucntx->dpi, ucntx)) {
rc = -ENOMEM;
goto dbfail;
}
- ucntx->dpi = &pd->dpi;
}
resp.pdid = pd->qplib_pd.id;
/* Still allow mapping this DBR to the new user PD. */
- resp.dpi = ucntx->dpi->dpi;
- resp.dbr = (u64)ucntx->dpi->umdbr;
+ resp.dpi = ucntx->dpi.dpi;
+ resp.dbr = (u64)ucntx->dpi.umdbr;
rc = ib_copy_to_udata(udata, &resp, sizeof(resp));
if (rc) {
@@ -960,7 +944,7 @@
qplib_qp->rq.nmap = umem->nmap;
}
- qplib_qp->dpi = cntx->dpi;
+ qplib_qp->dpi = &cntx->dpi;
return 0;
rqfail:
ib_umem_release(qp->sumem);
@@ -1530,13 +1514,24 @@
if (qp_attr_mask & IB_QP_MAX_QP_RD_ATOMIC) {
qp->qplib_qp.modify_flags |=
CMDQ_MODIFY_QP_MODIFY_MASK_MAX_RD_ATOMIC;
- qp->qplib_qp.max_rd_atomic = qp_attr->max_rd_atomic;
+ /* Cap the max_rd_atomic to device max */
+ qp->qplib_qp.max_rd_atomic = min_t(u32, qp_attr->max_rd_atomic,
+ dev_attr->max_qp_rd_atom);
}
if (qp_attr_mask & IB_QP_SQ_PSN) {
qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_SQ_PSN;
qp->qplib_qp.sq.psn = qp_attr->sq_psn;
}
if (qp_attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) {
+ if (qp_attr->max_dest_rd_atomic >
+ dev_attr->max_qp_init_rd_atom) {
+ dev_err(rdev_to_dev(rdev),
+ "max_dest_rd_atomic requested%d is > dev_max%d",
+ qp_attr->max_dest_rd_atomic,
+ dev_attr->max_qp_init_rd_atom);
+ return -EINVAL;
+ }
+
qp->qplib_qp.modify_flags |=
CMDQ_MODIFY_QP_MODIFY_MASK_MAX_DEST_RD_ATOMIC;
qp->qplib_qp.max_dest_rd_atomic = qp_attr->max_dest_rd_atomic;
@@ -2403,7 +2398,7 @@
}
cq->qplib_cq.sghead = cq->umem->sg_head.sgl;
cq->qplib_cq.nmap = cq->umem->nmap;
- cq->qplib_cq.dpi = uctx->dpi;
+ cq->qplib_cq.dpi = &uctx->dpi;
} else {
cq->max_cql = min_t(u32, entries, MAX_CQL_PER_POLL);
cq->cql = kcalloc(cq->max_cql, sizeof(struct bnxt_qplib_cqe),
@@ -2905,6 +2900,7 @@
spin_lock_irqsave(&cq->cq_lock, flags);
budget = min_t(u32, num_entries, cq->max_cql);
+ num_entries = budget;
if (!cq->cql) {
dev_err(rdev_to_dev(cq->rdev), "POLL CQ : no CQL to use");
goto exit;
@@ -3031,6 +3027,11 @@
else if (ib_cqn_flags & IB_CQ_SOLICITED)
type = DBR_DBR_TYPE_CQ_ARMSE;
+ /* Poll to see if there are missed events */
+ if ((ib_cqn_flags & IB_CQ_REPORT_MISSED_EVENTS) &&
+ !(bnxt_qplib_is_cq_empty(&cq->qplib_cq)))
+ return 1;
+
bnxt_qplib_req_notify_cq(&cq->qplib_cq, type);
return 0;
@@ -3245,6 +3246,12 @@
struct scatterlist *sg;
int entry;
+ if (length > BNXT_RE_MAX_MR_SIZE) {
+ dev_err(rdev_to_dev(rdev), "MR Size: %lld > Max supported:%ld\n",
+ length, BNXT_RE_MAX_MR_SIZE);
+ return ERR_PTR(-ENOMEM);
+ }
+
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return ERR_PTR(-ENOMEM);
@@ -3388,8 +3395,26 @@
struct bnxt_re_ucontext *uctx = container_of(ib_uctx,
struct bnxt_re_ucontext,
ib_uctx);
+
+ struct bnxt_re_dev *rdev = uctx->rdev;
+ int rc = 0;
+
if (uctx->shpg)
free_page((unsigned long)uctx->shpg);
+
+ if (uctx->dpi.dbr) {
+ /* Free DPI only if this is the first PD allocated by the
+ * application and mark the context dpi as NULL
+ */
+ rc = bnxt_qplib_dealloc_dpi(&rdev->qplib_res,
+ &rdev->qplib_res.dpi_tbl,
+ &uctx->dpi);
+ if (rc)
+ dev_err(rdev_to_dev(rdev), "Deallocte HW DPI failed!");
+ /* Don't fail, continue*/
+ uctx->dpi.dbr = NULL;
+ }
+
kfree(uctx);
return 0;
}
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index 6c160f6..a0bb7e3 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -59,7 +59,6 @@
struct bnxt_re_dev *rdev;
struct ib_pd ib_pd;
struct bnxt_qplib_pd qplib_pd;
- struct bnxt_qplib_dpi dpi;
struct bnxt_re_fence_data fence;
};
@@ -127,7 +126,7 @@
struct bnxt_re_ucontext {
struct bnxt_re_dev *rdev;
struct ib_ucontext ib_uctx;
- struct bnxt_qplib_dpi *dpi;
+ struct bnxt_qplib_dpi dpi;
void *shpg;
spinlock_t sh_lock; /* protect shpg */
};
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 1fce5e7..ceae2d9 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -333,6 +333,7 @@
bnxt_re_init_hwrm_hdr(rdev, (void *)&req, HWRM_STAT_CTX_ALLOC, -1, -1);
req.update_period_ms = cpu_to_le32(1000);
req.stats_dma_addr = cpu_to_le64(dma_map);
+ req.stat_ctx_flags = STAT_CTX_ALLOC_REQ_STAT_CTX_FLAGS_ROCE;
bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp,
sizeof(resp), DFLT_HWRM_CMD_TIMEOUT);
rc = en_dev->en_ops->bnxt_send_fw_msg(en_dev, BNXT_ROCE_ULP, &fw_msg);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index f05500bc..9af1514 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -1128,6 +1128,11 @@
}
/* Each SGE entry = 1 WQE size16 */
wqe_size16 = wqe->num_sge;
+ /* HW requires wqe size has room for atleast one SGE even if
+ * none was supplied by ULP
+ */
+ if (!wqe->num_sge)
+ wqe_size16++;
}
/* Specifics */
@@ -1364,6 +1369,11 @@
rqe->flags = wqe->flags;
rqe->wqe_size = wqe->num_sge +
((offsetof(typeof(*rqe), data) + 15) >> 4);
+ /* HW requires wqe size has room for atleast one SGE even if none
+ * was supplied by ULP
+ */
+ if (!wqe->num_sge)
+ rqe->wqe_size++;
/* Supply the rqe->wr_id index to the wr_id_tbl for now */
rqe->wr_id[0] = cpu_to_le32(sw_prod);
@@ -1885,6 +1895,25 @@
return rc;
}
+bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq)
+{
+ struct cq_base *hw_cqe, **hw_cqe_ptr;
+ unsigned long flags;
+ u32 sw_cons, raw_cons;
+ bool rc = true;
+
+ spin_lock_irqsave(&cq->hwq.lock, flags);
+ raw_cons = cq->hwq.cons;
+ sw_cons = HWQ_CMP(raw_cons, &cq->hwq);
+ hw_cqe_ptr = (struct cq_base **)cq->hwq.pbl_ptr;
+ hw_cqe = &hw_cqe_ptr[CQE_PG(sw_cons)][CQE_IDX(sw_cons)];
+
+ /* Check for Valid bit. If the CQE is valid, return false */
+ rc = !CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements);
+ spin_unlock_irqrestore(&cq->hwq.lock, flags);
+ return rc;
+}
+
static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq,
struct cq_res_raweth_qp1 *hwcqe,
struct bnxt_qplib_cqe **pcqe,
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index 36b7b7d..19176e0 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -449,6 +449,7 @@
int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq);
int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
int num, struct bnxt_qplib_qp **qp);
+bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq);
void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type);
void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq);
int bnxt_qplib_alloc_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index fde18cf..ef91ab7 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -51,6 +51,19 @@
0, 0, 0, 0, 0, 0, 0, 0 } };
/* Device */
+
+static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
+{
+ int rc;
+ u16 pcie_ctl2;
+
+ rc = pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2,
+ &pcie_ctl2);
+ if (rc)
+ return false;
+ return !!(pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ);
+}
+
int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
struct bnxt_qplib_dev_attr *attr)
{
@@ -81,6 +94,8 @@
/* Extract the context from the side buffer */
attr->max_qp = le32_to_cpu(sb->max_qp);
+ /* max_qp value reported by FW for PF doesn't include the QP1 for PF */
+ attr->max_qp += 1;
attr->max_qp_rd_atom =
sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
@@ -129,6 +144,7 @@
attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
}
+ attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw);
bail:
bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
return rc;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index a543f95..2ce7e2a 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -42,6 +42,8 @@
#define BNXT_QPLIB_RESERVED_QP_WRS 128
+#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040
+
struct bnxt_qplib_dev_attr {
char fw_ver[32];
u16 max_sgid;
@@ -70,6 +72,7 @@
u32 max_inline_data;
u32 l2_db_size;
u8 tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
+ bool is_atomic;
};
struct bnxt_qplib_pd {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 29d3074..0cd0c1f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -718,7 +718,7 @@
struct iwch_mr *mhp;
u32 mmid;
u32 stag = 0;
- int ret = 0;
+ int ret = -ENOMEM;
if (mr_type != IB_MR_TYPE_MEM_REG ||
max_num_sg > T3_MAX_FASTREG_DEPTH)
@@ -731,10 +731,8 @@
goto err;
mhp->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
- if (!mhp->pages) {
- ret = -ENOMEM;
+ if (!mhp->pages)
goto pl_err;
- }
mhp->rhp = rhp;
ret = iwch_alloc_pbl(mhp, max_num_sg);
@@ -751,7 +749,8 @@
mhp->attr.state = 1;
mmid = (stag) >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
- if (insert_handle(rhp, &rhp->mmidr, mhp, mmid))
+ ret = insert_handle(rhp, &rhp->mmidr, mhp, mmid);
+ if (ret)
goto err3;
pr_debug("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index e16fcaf..be07da1 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -963,6 +963,7 @@
goto err3;
if (ucontext) {
+ ret = -ENOMEM;
mm = kmalloc(sizeof *mm, GFP_KERNEL);
if (!mm)
goto err4;
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 5332f06..c2fba76 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -661,7 +661,7 @@
rhp = php->rhp;
if (mr_type != IB_MR_TYPE_MEM_REG ||
- max_num_sg > t4_max_fr_depth(&rhp->rdev.lldi.ulptx_memwrite_dsgl &&
+ max_num_sg > t4_max_fr_depth(rhp->rdev.lldi.ulptx_memwrite_dsgl &&
use_dsgl))
return ERR_PTR(-EINVAL);
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index bfc7759..cb7fc0d 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -569,7 +569,7 @@
{
if (wr->num_sge > 1)
return -EINVAL;
- if (wr->num_sge) {
+ if (wr->num_sge && wr->sg_list[0].length) {
wqe->read.stag_src = cpu_to_be32(rdma_wr(wr)->rkey);
wqe->read.to_src_hi = cpu_to_be32((u32)(rdma_wr(wr)->remote_addr
>> 32));
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 2ba00b8..94b54850 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -12847,7 +12847,12 @@
/* clear from the handled mask of the general interrupt */
m = isrc / 64;
n = isrc % 64;
- dd->gi_mask[m] &= ~((u64)1 << n);
+ if (likely(m < CCE_NUM_INT_CSRS)) {
+ dd->gi_mask[m] &= ~((u64)1 << n);
+ } else {
+ dd_dev_err(dd, "remap interrupt err\n");
+ return;
+ }
/* direct the chip source to the given MSI-X interrupt */
m = isrc / 8;
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.c b/drivers/infiniband/hw/hfi1/mmu_rb.c
index ccbf52c..e4b56a0 100644
--- a/drivers/infiniband/hw/hfi1/mmu_rb.c
+++ b/drivers/infiniband/hw/hfi1/mmu_rb.c
@@ -67,8 +67,6 @@
static unsigned long mmu_node_start(struct mmu_rb_node *);
static unsigned long mmu_node_last(struct mmu_rb_node *);
-static inline void mmu_notifier_page(struct mmu_notifier *, struct mm_struct *,
- unsigned long);
static inline void mmu_notifier_range_start(struct mmu_notifier *,
struct mm_struct *,
unsigned long, unsigned long);
@@ -82,7 +80,6 @@
static void handle_remove(struct work_struct *work);
static const struct mmu_notifier_ops mn_opts = {
- .invalidate_page = mmu_notifier_page,
.invalidate_range_start = mmu_notifier_range_start,
};
@@ -285,12 +282,6 @@
handler->ops->remove(handler->ops_arg, node);
}
-static inline void mmu_notifier_page(struct mmu_notifier *mn,
- struct mm_struct *mm, unsigned long addr)
-{
- mmu_notifier_mem_invalidate(mn, mm, addr, addr + PAGE_SIZE);
-}
-
static inline void mmu_notifier_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c
index 650305c..1a7af9f 100644
--- a/drivers/infiniband/hw/hfi1/qp.c
+++ b/drivers/infiniband/hw/hfi1/qp.c
@@ -647,18 +647,17 @@
qp->pid);
}
-void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp,
- gfp_t gfp)
+void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp)
{
struct hfi1_qp_priv *priv;
- priv = kzalloc_node(sizeof(*priv), gfp, rdi->dparms.node);
+ priv = kzalloc_node(sizeof(*priv), GFP_KERNEL, rdi->dparms.node);
if (!priv)
return ERR_PTR(-ENOMEM);
priv->owner = qp;
- priv->s_ahg = kzalloc_node(sizeof(*priv->s_ahg), gfp,
+ priv->s_ahg = kzalloc_node(sizeof(*priv->s_ahg), GFP_KERNEL,
rdi->dparms.node);
if (!priv->s_ahg) {
kfree(priv);
diff --git a/drivers/infiniband/hw/hfi1/qp.h b/drivers/infiniband/hw/hfi1/qp.h
index 1eb9cd7..6fe542b 100644
--- a/drivers/infiniband/hw/hfi1/qp.h
+++ b/drivers/infiniband/hw/hfi1/qp.h
@@ -123,8 +123,7 @@
/*
* Functions provided by hfi1 driver for rdmavt to use
*/
-void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp,
- gfp_t gfp);
+void *qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp);
void qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp);
unsigned free_all_qps(struct rvt_dev_info *rdi);
void notify_qp_reset(struct rvt_qp *qp);
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index f78a733..d545302 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -64,8 +64,10 @@
} else {
u8 *dmac = rdma_ah_retrieve_dmac(ah_attr);
- if (!dmac)
+ if (!dmac) {
+ kfree(ah);
return ERR_PTR(-EINVAL);
+ }
memcpy(ah->av.mac, dmac, ETH_ALEN);
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 37d5d29..2540b65 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -228,14 +228,14 @@
switch (wr->opcode) {
case IB_WR_RDMA_READ:
ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_READ;
- set_raddr_seg(wqe, atomic_wr(wr)->remote_addr,
- atomic_wr(wr)->rkey);
+ set_raddr_seg(wqe, rdma_wr(wr)->remote_addr,
+ rdma_wr(wr)->rkey);
break;
case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
ps_opcode = HNS_ROCE_WQE_OPCODE_RDMA_WRITE;
- set_raddr_seg(wqe, atomic_wr(wr)->remote_addr,
- atomic_wr(wr)->rkey);
+ set_raddr_seg(wqe, rdma_wr(wr)->remote_addr,
+ rdma_wr(wr)->rkey);
break;
case IB_WR_SEND:
case IB_WR_SEND_WITH_INV:
@@ -661,9 +661,11 @@
union ib_gid dgid;
u64 subnet_prefix;
int attr_mask = 0;
- int i;
+ int i, j;
int ret;
+ u8 queue_en[HNS_ROCE_V1_RESV_QP] = { 0 };
u8 phy_port;
+ u8 port = 0;
u8 sl;
priv = (struct hns_roce_v1_priv *)hr_dev->hw->priv;
@@ -709,27 +711,35 @@
attr.rnr_retry = 7;
attr.timeout = 0x12;
attr.path_mtu = IB_MTU_256;
+ attr.ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE;
rdma_ah_set_grh(&attr.ah_attr, NULL, 0, 0, 1, 0);
rdma_ah_set_static_rate(&attr.ah_attr, 3);
subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
+ phy_port = (i >= HNS_ROCE_MAX_PORTS) ? (i - 2) :
+ (i % HNS_ROCE_MAX_PORTS);
+ sl = i / HNS_ROCE_MAX_PORTS;
+
+ for (j = 0; j < caps->num_ports; j++) {
+ if (hr_dev->iboe.phy_port[j] == phy_port) {
+ queue_en[i] = 1;
+ port = j;
+ break;
+ }
+ }
+
+ if (!queue_en[i])
+ continue;
+
free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd);
- if (IS_ERR(free_mr->mr_free_qp[i])) {
+ if (!free_mr->mr_free_qp[i]) {
dev_err(dev, "Create loop qp failed!\n");
goto create_lp_qp_failed;
}
hr_qp = free_mr->mr_free_qp[i];
- sl = i / caps->num_ports;
-
- if (caps->num_ports == HNS_ROCE_MAX_PORTS)
- phy_port = (i >= HNS_ROCE_MAX_PORTS) ? (i - 2) :
- (i % caps->num_ports);
- else
- phy_port = i % caps->num_ports;
-
- hr_qp->port = phy_port + 1;
+ hr_qp->port = port;
hr_qp->phy_port = phy_port;
hr_qp->ibqp.qp_type = IB_QPT_RC;
hr_qp->ibqp.device = &hr_dev->ib_dev;
@@ -739,23 +749,22 @@
hr_qp->ibqp.recv_cq = cq;
hr_qp->ibqp.send_cq = cq;
- rdma_ah_set_port_num(&attr.ah_attr, phy_port + 1);
- rdma_ah_set_sl(&attr.ah_attr, phy_port + 1);
- attr.port_num = phy_port + 1;
+ rdma_ah_set_port_num(&attr.ah_attr, port + 1);
+ rdma_ah_set_sl(&attr.ah_attr, sl);
+ attr.port_num = port + 1;
attr.dest_qp_num = hr_qp->qpn;
memcpy(rdma_ah_retrieve_dmac(&attr.ah_attr),
- hr_dev->dev_addr[phy_port],
+ hr_dev->dev_addr[port],
MAC_ADDR_OCTET_NUM);
memcpy(&dgid.raw, &subnet_prefix, sizeof(u64));
- memcpy(&dgid.raw[8], hr_dev->dev_addr[phy_port], 3);
- memcpy(&dgid.raw[13], hr_dev->dev_addr[phy_port] + 3, 3);
+ memcpy(&dgid.raw[8], hr_dev->dev_addr[port], 3);
+ memcpy(&dgid.raw[13], hr_dev->dev_addr[port] + 3, 3);
dgid.raw[11] = 0xff;
dgid.raw[12] = 0xfe;
dgid.raw[8] ^= 2;
rdma_ah_set_dgid_raw(&attr.ah_attr, dgid.raw);
- attr_mask |= IB_QP_PORT;
ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask,
IB_QPS_RESET, IB_QPS_INIT);
@@ -812,6 +821,9 @@
for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
hr_qp = free_mr->mr_free_qp[i];
+ if (!hr_qp)
+ continue;
+
ret = hns_roce_v1_destroy_qp(&hr_qp->ibqp);
if (ret)
dev_err(dev, "Destroy qp %d for mr free failed(%d)!\n",
@@ -963,7 +975,7 @@
msecs_to_jiffies(HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS) + jiffies;
int i;
int ret;
- int ne;
+ int ne = 0;
mr_work = container_of(work, struct hns_roce_mr_free_work, work);
hr_mr = (struct hns_roce_mr *)mr_work->mr;
@@ -976,6 +988,10 @@
for (i = 0; i < HNS_ROCE_V1_RESV_QP; i++) {
hr_qp = free_mr->mr_free_qp[i];
+ if (!hr_qp)
+ continue;
+ ne++;
+
ret = hns_roce_v1_send_lp_wqe(hr_qp);
if (ret) {
dev_err(dev,
@@ -985,7 +1001,6 @@
}
}
- ne = HNS_ROCE_V1_RESV_QP;
do {
ret = hns_roce_v1_poll_cq(&mr_free_cq->ib_cq, ne, wc);
if (ret < 0) {
@@ -995,7 +1010,8 @@
goto free_work;
}
ne -= ret;
- msleep(HNS_ROCE_V1_FREE_MR_WAIT_VALUE);
+ usleep_range(HNS_ROCE_V1_FREE_MR_WAIT_VALUE * 1000,
+ (1 + HNS_ROCE_V1_FREE_MR_WAIT_VALUE) * 1000);
} while (ne && time_before_eq(jiffies, end));
if (ne != 0)
@@ -2181,7 +2197,7 @@
}
wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)];
++wq->tail;
- } else {
+ } else {
/* RQ conrespond to CQE */
wc->byte_len = le32_to_cpu(cqe->byte_cnt);
opcode = roce_get_field(cqe->cqe_byte_4,
@@ -3533,10 +3549,12 @@
old_cnt = roce_get_field(old_send,
ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S);
- if (cur_cnt - old_cnt > SDB_ST_CMP_VAL)
+ if (cur_cnt - old_cnt >
+ SDB_ST_CMP_VAL) {
success_flags = 1;
- else {
- send_ptr = roce_get_field(old_send,
+ } else {
+ send_ptr =
+ roce_get_field(old_send,
ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S) +
roce_get_field(sdb_retry_cnt,
@@ -3641,6 +3659,7 @@
struct hns_roce_dev *hr_dev;
struct hns_roce_qp *hr_qp;
struct device *dev;
+ unsigned long qpn;
int ret;
qp_work_entry = container_of(work, struct hns_roce_qp_work, work);
@@ -3648,8 +3667,9 @@
dev = &hr_dev->pdev->dev;
priv = (struct hns_roce_v1_priv *)hr_dev->hw->priv;
hr_qp = qp_work_entry->qp;
+ qpn = hr_qp->qpn;
- dev_dbg(dev, "Schedule destroy QP(0x%lx) work.\n", hr_qp->qpn);
+ dev_dbg(dev, "Schedule destroy QP(0x%lx) work.\n", qpn);
qp_work_entry->sche_cnt++;
@@ -3660,7 +3680,7 @@
&qp_work_entry->db_wait_stage);
if (ret) {
dev_err(dev, "Check QP(0x%lx) db process status failed!\n",
- hr_qp->qpn);
+ qpn);
return;
}
@@ -3674,7 +3694,7 @@
ret = hns_roce_v1_modify_qp(&hr_qp->ibqp, NULL, 0, hr_qp->state,
IB_QPS_RESET);
if (ret) {
- dev_err(dev, "Modify QP(0x%lx) to RST failed!\n", hr_qp->qpn);
+ dev_err(dev, "Modify QP(0x%lx) to RST failed!\n", qpn);
return;
}
@@ -3683,14 +3703,14 @@
if (hr_qp->ibqp.qp_type == IB_QPT_RC) {
/* RC QP, release QPN */
- hns_roce_release_range_qp(hr_dev, hr_qp->qpn, 1);
+ hns_roce_release_range_qp(hr_dev, qpn, 1);
kfree(hr_qp);
} else
kfree(hr_to_hr_sqp(hr_qp));
kfree(qp_work_entry);
- dev_dbg(dev, "Accomplished destroy QP(0x%lx) work.\n", hr_qp->qpn);
+ dev_dbg(dev, "Accomplished destroy QP(0x%lx) work.\n", qpn);
}
int hns_roce_v1_destroy_qp(struct ib_qp *ibqp)
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index c3b41f9..d9777b6 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -125,8 +125,6 @@
return -ENODEV;
}
- spin_lock_bh(&hr_dev->iboe.lock);
-
switch (event) {
case NETDEV_UP:
case NETDEV_CHANGE:
@@ -144,7 +142,6 @@
break;
}
- spin_unlock_bh(&hr_dev->iboe.lock);
return 0;
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h
index da2eb5a..9b15664 100644
--- a/drivers/infiniband/hw/i40iw/i40iw.h
+++ b/drivers/infiniband/hw/i40iw/i40iw.h
@@ -527,6 +527,7 @@
int i40iw_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *);
void i40iw_cq_wq_destroy(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq);
+void i40iw_cleanup_pending_cqp_op(struct i40iw_device *iwdev);
void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev);
void i40iw_add_pdusecount(struct i40iw_pd *iwpd);
void i40iw_rem_devusecount(struct i40iw_device *iwdev);
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index 6ae98aa..5a2fa74 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -3487,7 +3487,8 @@
if (((original_hw_tcp_state == I40IW_TCP_STATE_CLOSED) ||
(original_hw_tcp_state == I40IW_TCP_STATE_TIME_WAIT) ||
(last_ae == I40IW_AE_RDMAP_ROE_BAD_LLP_CLOSE) ||
- (last_ae == I40IW_AE_LLP_CONNECTION_RESET))) {
+ (last_ae == I40IW_AE_LLP_CONNECTION_RESET) ||
+ iwdev->reset)) {
issue_close = 1;
iwqp->cm_id = NULL;
if (!iwqp->flush_issued) {
@@ -4265,6 +4266,8 @@
cm_node = container_of(list_node, struct i40iw_cm_node, connected_entry);
attr.qp_state = IB_QPS_ERR;
i40iw_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL);
+ if (iwdev->reset)
+ i40iw_cm_disconn(cm_node->iwqp);
i40iw_rem_ref_cm_node(cm_node);
}
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
index a027e20..a49ff2e 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
@@ -130,20 +130,32 @@
u64 base = 0;
u32 i, j;
u32 k = 0;
- u32 low;
/* copy base values in obj_info */
- for (i = I40IW_HMC_IW_QP, j = 0;
- i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
+ for (i = I40IW_HMC_IW_QP, j = 0; i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
+ if ((i == I40IW_HMC_IW_SRQ) ||
+ (i == I40IW_HMC_IW_FSIMC) ||
+ (i == I40IW_HMC_IW_FSIAV)) {
+ info[i].base = 0;
+ info[i].cnt = 0;
+ continue;
+ }
get_64bit_val(buf, j, &temp);
info[i].base = RS_64_1(temp, 32) * 512;
if (info[i].base > base) {
base = info[i].base;
k = i;
}
- low = (u32)(temp);
- if (low)
- info[i].cnt = low;
+ if (i == I40IW_HMC_IW_APBVT_ENTRY) {
+ info[i].cnt = 1;
+ continue;
+ }
+ if (i == I40IW_HMC_IW_QP)
+ info[i].cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
+ else if (i == I40IW_HMC_IW_CQ)
+ info[i].cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
+ else
+ info[i].cnt = (u32)(temp);
}
size = info[k].cnt * info[k].size + info[k].base;
if (size & 0x1FFFFF)
@@ -155,6 +167,31 @@
}
/**
+ * i40iw_sc_decode_fpm_query() - Decode a 64 bit value into max count and size
+ * @buf: ptr to fpm query buffer
+ * @buf_idx: index into buf
+ * @info: ptr to i40iw_hmc_obj_info struct
+ * @rsrc_idx: resource index into info
+ *
+ * Decode a 64 bit value from fpm query buffer into max count and size
+ */
+static u64 i40iw_sc_decode_fpm_query(u64 *buf,
+ u32 buf_idx,
+ struct i40iw_hmc_obj_info *obj_info,
+ u32 rsrc_idx)
+{
+ u64 temp;
+ u32 size;
+
+ get_64bit_val(buf, buf_idx, &temp);
+ obj_info[rsrc_idx].max_cnt = (u32)temp;
+ size = (u32)RS_64_1(temp, 32);
+ obj_info[rsrc_idx].size = LS_64_1(1, size);
+
+ return temp;
+}
+
+/**
* i40iw_sc_parse_fpm_query_buf() - parses fpm query buffer
* @buf: ptr to fpm query buffer
* @info: ptr to i40iw_hmc_obj_info struct
@@ -168,9 +205,9 @@
struct i40iw_hmc_info *hmc_info,
struct i40iw_hmc_fpm_misc *hmc_fpm_misc)
{
- u64 temp;
struct i40iw_hmc_obj_info *obj_info;
- u32 i, j, size;
+ u64 temp;
+ u32 size;
u16 max_pe_sds;
obj_info = hmc_info->hmc_obj;
@@ -185,41 +222,52 @@
hmc_fpm_misc->max_sds = max_pe_sds;
hmc_info->sd_table.sd_cnt = max_pe_sds + hmc_info->first_sd_index;
- for (i = I40IW_HMC_IW_QP, j = 8;
- i <= I40IW_HMC_IW_ARP; i++, j += 8) {
- get_64bit_val(buf, j, &temp);
- if (i == I40IW_HMC_IW_QP)
- obj_info[i].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
- else if (i == I40IW_HMC_IW_CQ)
- obj_info[i].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
- else
- obj_info[i].max_cnt = (u32)temp;
+ get_64bit_val(buf, 8, &temp);
+ obj_info[I40IW_HMC_IW_QP].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_QPS);
+ size = (u32)RS_64_1(temp, 32);
+ obj_info[I40IW_HMC_IW_QP].size = LS_64_1(1, size);
- size = (u32)RS_64_1(temp, 32);
- obj_info[i].size = ((u64)1 << size);
- }
- for (i = I40IW_HMC_IW_MR, j = 48;
- i <= I40IW_HMC_IW_PBLE; i++, j += 8) {
- get_64bit_val(buf, j, &temp);
- obj_info[i].max_cnt = (u32)temp;
- size = (u32)RS_64_1(temp, 32);
- obj_info[i].size = LS_64_1(1, size);
- }
+ get_64bit_val(buf, 16, &temp);
+ obj_info[I40IW_HMC_IW_CQ].max_cnt = (u32)RS_64(temp, I40IW_QUERY_FPM_MAX_CQS);
+ size = (u32)RS_64_1(temp, 32);
+ obj_info[I40IW_HMC_IW_CQ].size = LS_64_1(1, size);
- get_64bit_val(buf, 120, &temp);
- hmc_fpm_misc->max_ceqs = (u8)RS_64(temp, I40IW_QUERY_FPM_MAX_CEQS);
- get_64bit_val(buf, 120, &temp);
- hmc_fpm_misc->ht_multiplier = RS_64(temp, I40IW_QUERY_FPM_HTMULTIPLIER);
- get_64bit_val(buf, 120, &temp);
- hmc_fpm_misc->timer_bucket = RS_64(temp, I40IW_QUERY_FPM_TIMERBUCKET);
+ i40iw_sc_decode_fpm_query(buf, 32, obj_info, I40IW_HMC_IW_HTE);
+ i40iw_sc_decode_fpm_query(buf, 40, obj_info, I40IW_HMC_IW_ARP);
+
+ obj_info[I40IW_HMC_IW_APBVT_ENTRY].size = 8192;
+ obj_info[I40IW_HMC_IW_APBVT_ENTRY].max_cnt = 1;
+
+ i40iw_sc_decode_fpm_query(buf, 48, obj_info, I40IW_HMC_IW_MR);
+ i40iw_sc_decode_fpm_query(buf, 56, obj_info, I40IW_HMC_IW_XF);
+
get_64bit_val(buf, 64, &temp);
+ obj_info[I40IW_HMC_IW_XFFL].max_cnt = (u32)temp;
+ obj_info[I40IW_HMC_IW_XFFL].size = 4;
hmc_fpm_misc->xf_block_size = RS_64(temp, I40IW_QUERY_FPM_XFBLOCKSIZE);
if (!hmc_fpm_misc->xf_block_size)
return I40IW_ERR_INVALID_SIZE;
+
+ i40iw_sc_decode_fpm_query(buf, 72, obj_info, I40IW_HMC_IW_Q1);
+
get_64bit_val(buf, 80, &temp);
+ obj_info[I40IW_HMC_IW_Q1FL].max_cnt = (u32)temp;
+ obj_info[I40IW_HMC_IW_Q1FL].size = 4;
hmc_fpm_misc->q1_block_size = RS_64(temp, I40IW_QUERY_FPM_Q1BLOCKSIZE);
if (!hmc_fpm_misc->q1_block_size)
return I40IW_ERR_INVALID_SIZE;
+
+ i40iw_sc_decode_fpm_query(buf, 88, obj_info, I40IW_HMC_IW_TIMER);
+
+ get_64bit_val(buf, 112, &temp);
+ obj_info[I40IW_HMC_IW_PBLE].max_cnt = (u32)temp;
+ obj_info[I40IW_HMC_IW_PBLE].size = 8;
+
+ get_64bit_val(buf, 120, &temp);
+ hmc_fpm_misc->max_ceqs = (u8)RS_64(temp, I40IW_QUERY_FPM_MAX_CEQS);
+ hmc_fpm_misc->ht_multiplier = RS_64(temp, I40IW_QUERY_FPM_HTMULTIPLIER);
+ hmc_fpm_misc->timer_bucket = RS_64(temp, I40IW_QUERY_FPM_TIMERBUCKET);
+
return 0;
}
@@ -1970,6 +2018,8 @@
ret_code = i40iw_cqp_poll_registers(cqp, tail, 1000);
}
+ cqp->process_cqp_sds = i40iw_update_sds_noccq;
+
return ret_code;
}
@@ -3390,13 +3440,6 @@
hmc_info->sd_table.sd_entry = virt_mem.va;
}
- /* fill size of objects which are fixed */
- hmc_info->hmc_obj[I40IW_HMC_IW_XFFL].size = 4;
- hmc_info->hmc_obj[I40IW_HMC_IW_Q1FL].size = 4;
- hmc_info->hmc_obj[I40IW_HMC_IW_PBLE].size = 8;
- hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].size = 8192;
- hmc_info->hmc_obj[I40IW_HMC_IW_APBVT_ENTRY].max_cnt = 1;
-
return ret_code;
}
@@ -4838,7 +4881,7 @@
{
u8 fcn_id = vsi->fcn_id;
- if ((vsi->stats_fcn_id_alloc) && (fcn_id != I40IW_INVALID_FCN_ID))
+ if (vsi->stats_fcn_id_alloc && fcn_id < I40IW_MAX_STATS_COUNT)
vsi->dev->fcn_id_array[fcn_id] = false;
i40iw_hw_stats_stop_timer(vsi);
}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_d.h b/drivers/infiniband/hw/i40iw/i40iw_d.h
index a39ac12..2ebaadb 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_d.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_d.h
@@ -1507,8 +1507,8 @@
I40IW_CQ0_ALIGNMENT_MASK = (256 - 1),
I40IW_HOST_CTX_ALIGNMENT_MASK = (4 - 1),
I40IW_SHADOWAREA_MASK = (128 - 1),
- I40IW_FPM_QUERY_BUF_ALIGNMENT_MASK = 0,
- I40IW_FPM_COMMIT_BUF_ALIGNMENT_MASK = 0
+ I40IW_FPM_QUERY_BUF_ALIGNMENT_MASK = (4 - 1),
+ I40IW_FPM_COMMIT_BUF_ALIGNMENT_MASK = (4 - 1)
};
enum i40iw_alignment {
diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c
index e0f47cc..ae8463f 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_main.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_main.c
@@ -243,6 +243,8 @@
if (free_hwcqp)
dev->cqp_ops->cqp_destroy(dev->cqp);
+ i40iw_cleanup_pending_cqp_op(iwdev);
+
i40iw_free_dma_mem(dev->hw, &cqp->sq);
kfree(cqp->scratch_array);
iwdev->cqp.scratch_array = NULL;
@@ -274,13 +276,12 @@
/**
* i40iw_destroy_aeq - destroy aeq
* @iwdev: iwarp device
- * @reset: true if called before reset
*
* Issue a destroy aeq request and
* free the resources associated with the aeq
* The function is called during driver unload
*/
-static void i40iw_destroy_aeq(struct i40iw_device *iwdev, bool reset)
+static void i40iw_destroy_aeq(struct i40iw_device *iwdev)
{
enum i40iw_status_code status = I40IW_ERR_NOT_READY;
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
@@ -288,7 +289,7 @@
if (!iwdev->msix_shared)
i40iw_disable_irq(dev, iwdev->iw_msixtbl, (void *)iwdev);
- if (reset)
+ if (iwdev->reset)
goto exit;
if (!dev->aeq_ops->aeq_destroy(&aeq->sc_aeq, 0, 1))
@@ -304,19 +305,17 @@
* i40iw_destroy_ceq - destroy ceq
* @iwdev: iwarp device
* @iwceq: ceq to be destroyed
- * @reset: true if called before reset
*
* Issue a destroy ceq request and
* free the resources associated with the ceq
*/
static void i40iw_destroy_ceq(struct i40iw_device *iwdev,
- struct i40iw_ceq *iwceq,
- bool reset)
+ struct i40iw_ceq *iwceq)
{
enum i40iw_status_code status;
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- if (reset)
+ if (iwdev->reset)
goto exit;
status = dev->ceq_ops->ceq_destroy(&iwceq->sc_ceq, 0, 1);
@@ -335,12 +334,11 @@
/**
* i40iw_dele_ceqs - destroy all ceq's
* @iwdev: iwarp device
- * @reset: true if called before reset
*
* Go through all of the device ceq's and for each ceq
* disable the ceq interrupt and destroy the ceq
*/
-static void i40iw_dele_ceqs(struct i40iw_device *iwdev, bool reset)
+static void i40iw_dele_ceqs(struct i40iw_device *iwdev)
{
u32 i = 0;
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
@@ -349,32 +347,31 @@
if (iwdev->msix_shared) {
i40iw_disable_irq(dev, msix_vec, (void *)iwdev);
- i40iw_destroy_ceq(iwdev, iwceq, reset);
+ i40iw_destroy_ceq(iwdev, iwceq);
iwceq++;
i++;
}
for (msix_vec++; i < iwdev->ceqs_count; i++, msix_vec++, iwceq++) {
i40iw_disable_irq(dev, msix_vec, (void *)iwceq);
- i40iw_destroy_ceq(iwdev, iwceq, reset);
+ i40iw_destroy_ceq(iwdev, iwceq);
}
}
/**
* i40iw_destroy_ccq - destroy control cq
* @iwdev: iwarp device
- * @reset: true if called before reset
*
* Issue destroy ccq request and
* free the resources associated with the ccq
*/
-static void i40iw_destroy_ccq(struct i40iw_device *iwdev, bool reset)
+static void i40iw_destroy_ccq(struct i40iw_device *iwdev)
{
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
struct i40iw_ccq *ccq = &iwdev->ccq;
enum i40iw_status_code status = 0;
- if (!reset)
+ if (!iwdev->reset)
status = dev->ccq_ops->ccq_destroy(dev->ccq, 0, true);
if (status)
i40iw_pr_err("ccq destroy failed %d\n", status);
@@ -810,7 +807,7 @@
iwceq->msix_idx = msix_vec->idx;
status = i40iw_configure_ceq_vector(iwdev, iwceq, ceq_id, msix_vec);
if (status) {
- i40iw_destroy_ceq(iwdev, iwceq, false);
+ i40iw_destroy_ceq(iwdev, iwceq);
break;
}
i40iw_enable_intr(&iwdev->sc_dev, msix_vec->idx);
@@ -912,7 +909,7 @@
status = i40iw_configure_aeq_vector(iwdev);
if (status) {
- i40iw_destroy_aeq(iwdev, false);
+ i40iw_destroy_aeq(iwdev);
return status;
}
@@ -1442,12 +1439,11 @@
/**
* i40iw_deinit_device - clean up the device resources
* @iwdev: iwarp device
- * @reset: true if called before reset
*
* Destroy the ib device interface, remove the mac ip entry and ipv4/ipv6 addresses,
* destroy the device queues and free the pble and the hmc objects
*/
-static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset)
+static void i40iw_deinit_device(struct i40iw_device *iwdev)
{
struct i40e_info *ldev = iwdev->ldev;
@@ -1464,7 +1460,7 @@
i40iw_destroy_rdma_device(iwdev->iwibdev);
/* fallthrough */
case IP_ADDR_REGISTERED:
- if (!reset)
+ if (!iwdev->reset)
i40iw_del_macip_entry(iwdev, (u8)iwdev->mac_ip_table_idx);
/* fallthrough */
case INET_NOTIFIER:
@@ -1474,26 +1470,26 @@
unregister_inet6addr_notifier(&i40iw_inetaddr6_notifier);
}
/* fallthrough */
- case CEQ_CREATED:
- i40iw_dele_ceqs(iwdev, reset);
- /* fallthrough */
- case AEQ_CREATED:
- i40iw_destroy_aeq(iwdev, reset);
- /* fallthrough */
- case IEQ_CREATED:
- i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, reset);
- /* fallthrough */
- case ILQ_CREATED:
- i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_ILQ, reset);
- /* fallthrough */
- case CCQ_CREATED:
- i40iw_destroy_ccq(iwdev, reset);
- /* fallthrough */
case PBLE_CHUNK_MEM:
i40iw_destroy_pble_pool(dev, iwdev->pble_rsrc);
/* fallthrough */
+ case CEQ_CREATED:
+ i40iw_dele_ceqs(iwdev);
+ /* fallthrough */
+ case AEQ_CREATED:
+ i40iw_destroy_aeq(iwdev);
+ /* fallthrough */
+ case IEQ_CREATED:
+ i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_IEQ, iwdev->reset);
+ /* fallthrough */
+ case ILQ_CREATED:
+ i40iw_puda_dele_resources(&iwdev->vsi, I40IW_PUDA_RSRC_TYPE_ILQ, iwdev->reset);
+ /* fallthrough */
+ case CCQ_CREATED:
+ i40iw_destroy_ccq(iwdev);
+ /* fallthrough */
case HMC_OBJS_CREATED:
- i40iw_del_hmc_objects(dev, dev->hmc_info, true, reset);
+ i40iw_del_hmc_objects(dev, dev->hmc_info, true, iwdev->reset);
/* fallthrough */
case CQP_CREATED:
i40iw_destroy_cqp(iwdev, true);
@@ -1670,6 +1666,7 @@
status = i40iw_hmc_init_pble(&iwdev->sc_dev, iwdev->pble_rsrc);
if (status)
break;
+ iwdev->init_state = PBLE_CHUNK_MEM;
iwdev->virtchnl_wq = alloc_ordered_workqueue("iwvch", WQ_MEM_RECLAIM);
i40iw_register_notifiers();
iwdev->init_state = INET_NOTIFIER;
@@ -1693,7 +1690,7 @@
} while (0);
i40iw_pr_err("status = %d last completion = %d\n", status, iwdev->init_state);
- i40iw_deinit_device(iwdev, false);
+ i40iw_deinit_device(iwdev);
return -ERESTART;
}
@@ -1774,9 +1771,12 @@
iwdev = &hdl->device;
iwdev->closing = true;
+ if (reset)
+ iwdev->reset = true;
+
i40iw_cm_disconnect_all(iwdev);
destroy_workqueue(iwdev->virtchnl_wq);
- i40iw_deinit_device(iwdev, reset);
+ i40iw_deinit_device(iwdev);
}
/**
diff --git a/drivers/infiniband/hw/i40iw/i40iw_puda.c b/drivers/infiniband/hw/i40iw/i40iw_puda.c
index db41ab4..7f5583d 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_puda.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_puda.c
@@ -408,6 +408,9 @@
set_64bit_val(wqe, 0, info->paddr);
set_64bit_val(wqe, 8, LS_64(info->len, I40IWQPSQ_FRAG_LEN));
set_64bit_val(wqe, 16, header[0]);
+
+ /* Ensure all data is written before writing valid bit */
+ wmb();
set_64bit_val(wqe, 24, header[1]);
i40iw_debug_buf(qp->dev, I40IW_DEBUG_PUDA, "PUDA SEND WQE", wqe, 32);
@@ -682,7 +685,7 @@
cqsize = rsrc->cq_size * (sizeof(struct i40iw_cqe));
tsize = cqsize + sizeof(struct i40iw_cq_shadow_area);
ret = i40iw_allocate_dma_mem(dev->hw, &rsrc->cqmem, tsize,
- I40IW_CQ0_ALIGNMENT_MASK);
+ I40IW_CQ0_ALIGNMENT);
if (ret)
return ret;
@@ -1411,10 +1414,10 @@
if (!list_empty(rxlist)) {
tmpbuf = (struct i40iw_puda_buf *)rxlist->next;
- plist = &tmpbuf->list;
while ((struct list_head *)tmpbuf != rxlist) {
if ((int)(buf->seqnum - tmpbuf->seqnum) < 0)
break;
+ plist = &tmpbuf->list;
tmpbuf = (struct i40iw_puda_buf *)plist->next;
}
/* Insert buf before tmpbuf */
diff --git a/drivers/infiniband/hw/i40iw/i40iw_status.h b/drivers/infiniband/hw/i40iw/i40iw_status.h
index 91c4217..f7013f1 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_status.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_status.h
@@ -62,7 +62,7 @@
I40IW_ERR_INVALID_ALIGNMENT = -23,
I40IW_ERR_FLUSHED_QUEUE = -24,
I40IW_ERR_INVALID_PUSH_PAGE_INDEX = -25,
- I40IW_ERR_INVALID_IMM_DATA_SIZE = -26,
+ I40IW_ERR_INVALID_INLINE_DATA_SIZE = -26,
I40IW_ERR_TIMEOUT = -27,
I40IW_ERR_OPCODE_MISMATCH = -28,
I40IW_ERR_CQP_COMPL_ERROR = -29,
diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c
index b0d3a0e..1060725 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_uk.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c
@@ -435,7 +435,7 @@
op_info = &info->op.inline_rdma_write;
if (op_info->len > I40IW_MAX_INLINE_DATA_SIZE)
- return I40IW_ERR_INVALID_IMM_DATA_SIZE;
+ return I40IW_ERR_INVALID_INLINE_DATA_SIZE;
ret_code = i40iw_inline_data_size_to_wqesize(op_info->len, &wqe_size);
if (ret_code)
@@ -511,7 +511,7 @@
op_info = &info->op.inline_send;
if (op_info->len > I40IW_MAX_INLINE_DATA_SIZE)
- return I40IW_ERR_INVALID_IMM_DATA_SIZE;
+ return I40IW_ERR_INVALID_INLINE_DATA_SIZE;
ret_code = i40iw_inline_data_size_to_wqesize(op_info->len, &wqe_size);
if (ret_code)
@@ -784,7 +784,7 @@
get_64bit_val(cqe, 0, &qword0);
get_64bit_val(cqe, 16, &qword2);
- info->tcp_seq_num = (u8)RS_64(qword0, I40IWCQ_TCPSEQNUM);
+ info->tcp_seq_num = (u32)RS_64(qword0, I40IWCQ_TCPSEQNUM);
info->qp_id = (u32)RS_64(qword2, I40IWCQ_QPID);
@@ -1187,7 +1187,7 @@
u8 *wqe_size)
{
if (data_size > I40IW_MAX_INLINE_DATA_SIZE)
- return I40IW_ERR_INVALID_IMM_DATA_SIZE;
+ return I40IW_ERR_INVALID_INLINE_DATA_SIZE;
if (data_size <= 16)
*wqe_size = I40IW_QP_WQE_MIN_SIZE;
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c
index 56d9869..e311ec5 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_utils.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c
@@ -337,6 +337,7 @@
*/
void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request)
{
+ struct i40iw_device *iwdev = container_of(cqp, struct i40iw_device, cqp);
unsigned long flags;
if (cqp_request->dynamic) {
@@ -350,6 +351,7 @@
list_add_tail(&cqp_request->list, &cqp->cqp_avail_reqs);
spin_unlock_irqrestore(&cqp->req_lock, flags);
}
+ wake_up(&iwdev->close_wq);
}
/**
@@ -365,6 +367,56 @@
}
/**
+ * i40iw_free_pending_cqp_request -free pending cqp request objs
+ * @cqp: cqp ptr
+ * @cqp_request: to be put back in cqp list
+ */
+static void i40iw_free_pending_cqp_request(struct i40iw_cqp *cqp,
+ struct i40iw_cqp_request *cqp_request)
+{
+ struct i40iw_device *iwdev = container_of(cqp, struct i40iw_device, cqp);
+
+ if (cqp_request->waiting) {
+ cqp_request->compl_info.error = true;
+ cqp_request->request_done = true;
+ wake_up(&cqp_request->waitq);
+ }
+ i40iw_put_cqp_request(cqp, cqp_request);
+ wait_event_timeout(iwdev->close_wq,
+ !atomic_read(&cqp_request->refcount),
+ 1000);
+}
+
+/**
+ * i40iw_cleanup_pending_cqp_op - clean-up cqp with no completions
+ * @iwdev: iwarp device
+ */
+void i40iw_cleanup_pending_cqp_op(struct i40iw_device *iwdev)
+{
+ struct i40iw_sc_dev *dev = &iwdev->sc_dev;
+ struct i40iw_cqp *cqp = &iwdev->cqp;
+ struct i40iw_cqp_request *cqp_request = NULL;
+ struct cqp_commands_info *pcmdinfo = NULL;
+ u32 i, pending_work, wqe_idx;
+
+ pending_work = I40IW_RING_WORK_AVAILABLE(cqp->sc_cqp.sq_ring);
+ wqe_idx = I40IW_RING_GETCURRENT_TAIL(cqp->sc_cqp.sq_ring);
+ for (i = 0; i < pending_work; i++) {
+ cqp_request = (struct i40iw_cqp_request *)(unsigned long)cqp->scratch_array[wqe_idx];
+ if (cqp_request)
+ i40iw_free_pending_cqp_request(cqp, cqp_request);
+ wqe_idx = (wqe_idx + 1) % I40IW_RING_GETSIZE(cqp->sc_cqp.sq_ring);
+ }
+
+ while (!list_empty(&dev->cqp_cmd_head)) {
+ pcmdinfo = (struct cqp_commands_info *)i40iw_remove_head(&dev->cqp_cmd_head);
+ cqp_request = container_of(pcmdinfo, struct i40iw_cqp_request, info);
+ if (cqp_request)
+ i40iw_free_pending_cqp_request(cqp, cqp_request);
+ }
+}
+
+/**
* i40iw_free_qp - callback after destroy cqp completes
* @cqp_request: cqp request for destroy qp
* @num: not used
@@ -546,8 +598,12 @@
cqp_info->in.u.qp_destroy.scratch = (uintptr_t)cqp_request;
cqp_info->in.u.qp_destroy.remove_hash_idx = true;
status = i40iw_handle_cqp_op(iwdev, cqp_request);
- if (status)
- i40iw_pr_err("CQP-OP Destroy QP fail");
+ if (!status)
+ return;
+
+ i40iw_rem_pdusecount(iwqp->iwpd, iwdev);
+ i40iw_free_qp_resources(iwdev, iwqp, qp_num);
+ i40iw_rem_devusecount(iwdev);
}
/**
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
index 4dbe61e..02d871d 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c
@@ -426,9 +426,13 @@
struct i40iw_qp *iwqp,
u32 qp_num)
{
+ struct i40iw_pbl *iwpbl = &iwqp->iwpbl;
+
i40iw_dealloc_push_page(iwdev, &iwqp->sc_qp);
if (qp_num)
i40iw_free_resource(iwdev, iwdev->allocated_qps, qp_num);
+ if (iwpbl->pbl_allocated)
+ i40iw_free_pble(iwdev->pble_rsrc, &iwpbl->pble_alloc);
i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->q2_ctx_mem);
i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->kqp.dma_mem);
kfree(iwqp->kqp.wrid_mem);
@@ -483,7 +487,7 @@
struct i40iw_qp *iwqp,
struct i40iw_qp_init_info *init_info)
{
- struct i40iw_pbl *iwpbl = iwqp->iwpbl;
+ struct i40iw_pbl *iwpbl = &iwqp->iwpbl;
struct i40iw_qp_mr *qpmr = &iwpbl->qp_mr;
iwqp->page = qpmr->sq_page;
@@ -688,19 +692,22 @@
ucontext = to_ucontext(ibpd->uobject->context);
if (req.user_wqe_buffers) {
+ struct i40iw_pbl *iwpbl;
+
spin_lock_irqsave(
&ucontext->qp_reg_mem_list_lock, flags);
- iwqp->iwpbl = i40iw_get_pbl(
+ iwpbl = i40iw_get_pbl(
(unsigned long)req.user_wqe_buffers,
&ucontext->qp_reg_mem_list);
spin_unlock_irqrestore(
&ucontext->qp_reg_mem_list_lock, flags);
- if (!iwqp->iwpbl) {
+ if (!iwpbl) {
err_code = -ENODATA;
i40iw_pr_err("no pbl info\n");
goto error;
}
+ memcpy(&iwqp->iwpbl, iwpbl, sizeof(iwqp->iwpbl));
}
}
err_code = i40iw_setup_virt_qp(iwdev, iwqp, &init_info);
@@ -1161,8 +1168,10 @@
memset(&req, 0, sizeof(req));
iwcq->user_mode = true;
ucontext = to_ucontext(context);
- if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req)))
+ if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req))) {
+ err_code = -EFAULT;
goto cq_free_resources;
+ }
spin_lock_irqsave(&ucontext->cq_reg_mem_list_lock, flags);
iwpbl = i40iw_get_pbl((unsigned long)req.user_cq_buffer,
@@ -2063,7 +2072,7 @@
ucontext = to_ucontext(ibpd->uobject->context);
i40iw_del_memlist(iwmr, ucontext);
}
- if (iwpbl->pbl_allocated)
+ if (iwpbl->pbl_allocated && iwmr->type != IW_MEMREG_TYPE_QP)
i40iw_free_pble(iwdev->pble_rsrc, palloc);
kfree(iwmr);
return 0;
diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.h b/drivers/infiniband/hw/i40iw/i40iw_verbs.h
index 07c3fec..9067443 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_verbs.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.h
@@ -170,7 +170,7 @@
struct i40iw_qp_kmode kqp;
struct i40iw_dma_mem host_ctx;
struct timer_list terminate_timer;
- struct i40iw_pbl *iwpbl;
+ struct i40iw_pbl iwpbl;
struct i40iw_dma_mem q2_ctx_mem;
struct i40iw_dma_mem ietf_mem;
struct completion sq_drained;
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index 1e6c526..fedaf82 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -323,6 +323,9 @@
mad->mad_hdr.attr_id == CM_REP_ATTR_ID ||
mad->mad_hdr.attr_id == CM_SIDR_REQ_ATTR_ID) {
sl_cm_id = get_local_comm_id(mad);
+ id = id_map_get(ibdev, &pv_cm_id, slave_id, sl_cm_id);
+ if (id)
+ goto cont;
id = id_map_alloc(ibdev, slave_id, sl_cm_id);
if (IS_ERR(id)) {
mlx4_ib_warn(ibdev, "%s: id{slave: %d, sl_cm_id: 0x%x} Failed to id_map_alloc\n",
@@ -343,6 +346,7 @@
return -EINVAL;
}
+cont:
set_local_comm_id(mad, id->pv_cm_id);
if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID)
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 4f5a143..ff931c5 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -102,7 +102,7 @@
int err;
err = mlx4_buf_alloc(dev->dev, nent * dev->dev->caps.cqe_size,
- PAGE_SIZE * 2, &buf->buf, GFP_KERNEL);
+ PAGE_SIZE * 2, &buf->buf);
if (err)
goto out;
@@ -113,7 +113,7 @@
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf, GFP_KERNEL);
+ err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf);
if (err)
goto err_mtt;
@@ -219,7 +219,7 @@
uar = &to_mucontext(context)->uar;
} else {
- err = mlx4_db_alloc(dev->dev, &cq->db, 1, GFP_KERNEL);
+ err = mlx4_db_alloc(dev->dev, &cq->db, 1);
if (err)
goto err_cq;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 75b2f7d..d1b43cb 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1155,7 +1155,7 @@
* call to mlx4_ib_vma_close.
*/
put_task_struct(owning_process);
- msleep(1);
+ usleep_range(1000, 2000);
owning_process = get_pid_task(ibcontext->tgid,
PIDTYPE_PID);
if (!owning_process ||
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c
index 3405e94..b73f897 100644
--- a/drivers/infiniband/hw/mlx4/mcg.c
+++ b/drivers/infiniband/hw/mlx4/mcg.c
@@ -1091,7 +1091,7 @@
if (!count)
break;
- msleep(1);
+ usleep_range(1000, 2000);
} while (time_after(end, jiffies));
flush_workqueue(ctx->mcg_wq);
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index c2b9cbf..9db82e6 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -185,7 +185,6 @@
MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
- MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
/* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 996e905..75c0e6c 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -634,8 +634,8 @@
static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
- struct ib_udata *udata, int sqpn, struct mlx4_ib_qp **caller_qp,
- gfp_t gfp)
+ struct ib_udata *udata, int sqpn,
+ struct mlx4_ib_qp **caller_qp)
{
int qpn;
int err;
@@ -691,14 +691,14 @@
if (qp_type == MLX4_IB_QPT_SMI || qp_type == MLX4_IB_QPT_GSI ||
(qp_type & (MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_SMI_OWNER |
MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER))) {
- sqp = kzalloc(sizeof (struct mlx4_ib_sqp), gfp);
+ sqp = kzalloc(sizeof(struct mlx4_ib_sqp), GFP_KERNEL);
if (!sqp)
return -ENOMEM;
qp = &sqp->qp;
qp->pri.vid = 0xFFFF;
qp->alt.vid = 0xFFFF;
} else {
- qp = kzalloc(sizeof (struct mlx4_ib_qp), gfp);
+ qp = kzalloc(sizeof(struct mlx4_ib_qp), GFP_KERNEL);
if (!qp)
return -ENOMEM;
qp->pri.vid = 0xFFFF;
@@ -780,7 +780,7 @@
goto err;
if (qp_has_rq(init_attr)) {
- err = mlx4_db_alloc(dev->dev, &qp->db, 0, gfp);
+ err = mlx4_db_alloc(dev->dev, &qp->db, 0);
if (err)
goto err;
@@ -788,7 +788,7 @@
}
if (mlx4_buf_alloc(dev->dev, qp->buf_size, qp->buf_size,
- &qp->buf, gfp)) {
+ &qp->buf)) {
memcpy(&init_attr->cap, &backup_cap,
sizeof(backup_cap));
err = set_kernel_sq_size(dev, &init_attr->cap, qp_type,
@@ -797,7 +797,7 @@
goto err_db;
if (mlx4_buf_alloc(dev->dev, qp->buf_size,
- PAGE_SIZE * 2, &qp->buf, gfp)) {
+ PAGE_SIZE * 2, &qp->buf)) {
err = -ENOMEM;
goto err_db;
}
@@ -808,20 +808,20 @@
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf, gfp);
+ err = mlx4_buf_write_mtt(dev->dev, &qp->mtt, &qp->buf);
if (err)
goto err_mtt;
qp->sq.wrid = kmalloc_array(qp->sq.wqe_cnt, sizeof(u64),
- gfp | __GFP_NOWARN);
+ GFP_KERNEL | __GFP_NOWARN);
if (!qp->sq.wrid)
qp->sq.wrid = __vmalloc(qp->sq.wqe_cnt * sizeof(u64),
- gfp, PAGE_KERNEL);
+ GFP_KERNEL, PAGE_KERNEL);
qp->rq.wrid = kmalloc_array(qp->rq.wqe_cnt, sizeof(u64),
- gfp | __GFP_NOWARN);
+ GFP_KERNEL | __GFP_NOWARN);
if (!qp->rq.wrid)
qp->rq.wrid = __vmalloc(qp->rq.wqe_cnt * sizeof(u64),
- gfp, PAGE_KERNEL);
+ GFP_KERNEL, PAGE_KERNEL);
if (!qp->sq.wrid || !qp->rq.wrid) {
err = -ENOMEM;
goto err_wrid;
@@ -859,7 +859,7 @@
if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)
qp->flags |= MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK;
- err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp, gfp);
+ err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp);
if (err)
goto err_qpn;
@@ -1127,10 +1127,7 @@
int err;
int sup_u_create_flags = MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK;
u16 xrcdn = 0;
- gfp_t gfp;
- gfp = (init_attr->create_flags & MLX4_IB_QP_CREATE_USE_GFP_NOIO) ?
- GFP_NOIO : GFP_KERNEL;
/*
* We only support LSO, vendor flag1, and multicast loopback blocking,
* and only for kernel UD QPs.
@@ -1140,8 +1137,7 @@
MLX4_IB_SRIOV_TUNNEL_QP |
MLX4_IB_SRIOV_SQP |
MLX4_IB_QP_NETIF |
- MLX4_IB_QP_CREATE_ROCE_V2_GSI |
- MLX4_IB_QP_CREATE_USE_GFP_NOIO))
+ MLX4_IB_QP_CREATE_ROCE_V2_GSI))
return ERR_PTR(-EINVAL);
if (init_attr->create_flags & IB_QP_CREATE_NETIF_QP) {
@@ -1154,7 +1150,6 @@
return ERR_PTR(-EINVAL);
if ((init_attr->create_flags & ~(MLX4_IB_SRIOV_SQP |
- MLX4_IB_QP_CREATE_USE_GFP_NOIO |
MLX4_IB_QP_CREATE_ROCE_V2_GSI |
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK) &&
init_attr->qp_type != IB_QPT_UD) ||
@@ -1179,7 +1174,7 @@
case IB_QPT_RC:
case IB_QPT_UC:
case IB_QPT_RAW_PACKET:
- qp = kzalloc(sizeof *qp, gfp);
+ qp = kzalloc(sizeof(*qp), GFP_KERNEL);
if (!qp)
return ERR_PTR(-ENOMEM);
qp->pri.vid = 0xFFFF;
@@ -1188,7 +1183,7 @@
case IB_QPT_UD:
{
err = create_qp_common(to_mdev(pd->device), pd, init_attr,
- udata, 0, &qp, gfp);
+ udata, 0, &qp);
if (err) {
kfree(qp);
return ERR_PTR(err);
@@ -1217,8 +1212,7 @@
}
err = create_qp_common(to_mdev(pd->device), pd, init_attr, udata,
- sqpn,
- &qp, gfp);
+ sqpn, &qp);
if (err)
return ERR_PTR(err);
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index e32dd58..0facaf5 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -135,14 +135,14 @@
if (err)
goto err_mtt;
} else {
- err = mlx4_db_alloc(dev->dev, &srq->db, 0, GFP_KERNEL);
+ err = mlx4_db_alloc(dev->dev, &srq->db, 0);
if (err)
goto err_srq;
*srq->db.db = 0;
- if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &srq->buf,
- GFP_KERNEL)) {
+ if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2,
+ &srq->buf)) {
err = -ENOMEM;
goto err_db;
}
@@ -167,7 +167,7 @@
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf, GFP_KERNEL);
+ err = mlx4_buf_write_mtt(dev->dev, &srq->mtt, &srq->buf);
if (err)
goto err_mtt;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a7f2e60..f7fcde1 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1085,6 +1085,12 @@
bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) ==
IB_LINK_LAYER_INFINIBAND);
+ /* CM layer calls ib_modify_port() regardless of the link layer. For
+ * Ethernet ports, qkey violation and Port capabilities are meaningless.
+ */
+ if (!is_ib)
+ return 0;
+
if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) {
change_mask = props->clr_port_cap_mask | props->set_port_cap_mask;
value = ~props->clr_port_cap_mask | props->set_port_cap_mask;
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 763bb5b..2c40a2e 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -582,6 +582,15 @@
}
}
+static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
+{
+ if (!mlx5_debugfs_root)
+ return;
+
+ debugfs_remove_recursive(dev->cache.root);
+ dev->cache.root = NULL;
+}
+
static int mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev)
{
struct mlx5_mr_cache *cache = &dev->cache;
@@ -600,38 +609,34 @@
sprintf(ent->name, "%d", ent->order);
ent->dir = debugfs_create_dir(ent->name, cache->root);
if (!ent->dir)
- return -ENOMEM;
+ goto err;
ent->fsize = debugfs_create_file("size", 0600, ent->dir, ent,
&size_fops);
if (!ent->fsize)
- return -ENOMEM;
+ goto err;
ent->flimit = debugfs_create_file("limit", 0600, ent->dir, ent,
&limit_fops);
if (!ent->flimit)
- return -ENOMEM;
+ goto err;
ent->fcur = debugfs_create_u32("cur", 0400, ent->dir,
&ent->cur);
if (!ent->fcur)
- return -ENOMEM;
+ goto err;
ent->fmiss = debugfs_create_u32("miss", 0600, ent->dir,
&ent->miss);
if (!ent->fmiss)
- return -ENOMEM;
+ goto err;
}
return 0;
-}
+err:
+ mlx5_mr_cache_debugfs_cleanup(dev);
-static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
-{
- if (!mlx5_debugfs_root)
- return;
-
- debugfs_remove_recursive(dev->cache.root);
+ return -ENOMEM;
}
static void delay_time_func(unsigned long ctx)
@@ -692,6 +697,11 @@
if (err)
mlx5_ib_warn(dev, "cache debugfs failure\n");
+ /*
+ * We don't want to fail driver if debugfs failed to initialize,
+ * so we are not forwarding error to the user.
+ */
+
return 0;
}
@@ -825,7 +835,7 @@
access_flags, 0);
err = PTR_ERR_OR_ZERO(*umem);
if (err < 0) {
- mlx5_ib_err(dev, "umem get failed (%ld)\n", PTR_ERR(umem));
+ mlx5_ib_err(dev, "umem get failed (%d)\n", err);
return err;
}
@@ -1779,7 +1789,7 @@
mr->ndescs = sg_nents;
for_each_sg(sgl, sg, sg_nents, i) {
- if (unlikely(i > mr->max_descs))
+ if (unlikely(i >= mr->max_descs))
break;
klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset);
klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset);
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index ae07467..3d701c7 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -939,7 +939,7 @@
if (qp->ibqp.qp_type != IB_QPT_RC) {
av = *wqe;
- if (av->dqp_dct & be32_to_cpu(MLX5_WQE_AV_EXT))
+ if (av->dqp_dct & cpu_to_be32(MLX5_EXTENDED_UD_AV))
*wqe += sizeof(struct mlx5_av);
else
*wqe += sizeof(struct mlx5_base_av);
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 0889ff3..f58f8f5 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1238,6 +1238,7 @@
goto err_destroy_tis;
sq->base.container_mibqp = qp;
+ sq->base.mqp.event = mlx5_ib_qp_event;
}
if (qp->rq.wqe_cnt) {
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 8f9d8b4..b0adf65 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -551,7 +551,7 @@
if ((0x0F000100 == (pcs_control_status0 & 0x0F000100))
|| (0x0F000100 == (pcs_control_status1 & 0x0F000100)))
int_cnt++;
- msleep(1);
+ usleep_range(1000, 2000);
}
if (int_cnt > 1) {
spin_lock_irqsave(&nesadapter->phy_lock, flags);
@@ -592,7 +592,7 @@
break;
}
}
- msleep(1);
+ usleep_range(1000, 2000);
}
}
}
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 2f30bda..27d5e8d 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -744,7 +744,8 @@
if (is_uctx_pd) {
ocrdma_release_ucontext_pd(uctx);
} else {
- status = _ocrdma_dealloc_pd(dev, pd);
+ if (_ocrdma_dealloc_pd(dev, pd))
+ pr_err("%s: _ocrdma_dealloc_pd() failed\n", __func__);
}
exit:
return ERR_PTR(status);
@@ -1901,6 +1902,7 @@
goto err;
if (udata == NULL) {
+ status = -ENOMEM;
srq->rqe_wr_id_tbl = kzalloc(sizeof(u64) * srq->rq.max_cnt,
GFP_KERNEL);
if (srq->rqe_wr_id_tbl == NULL)
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 548e4d1..2ae71b8 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -53,6 +53,14 @@
#define DB_ADDR_SHIFT(addr) ((addr) << DB_PWM_ADDR_OFFSET_SHIFT)
+static inline int qedr_ib_copy_to_udata(struct ib_udata *udata, void *src,
+ size_t len)
+{
+ size_t min_len = min_t(size_t, len, udata->outlen);
+
+ return ib_copy_to_udata(udata, src, min_len);
+}
+
int qedr_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
{
if (index > QEDR_ROCE_PKEY_TABLE_LEN)
@@ -378,7 +386,7 @@
uresp.sges_per_srq_wr = dev->attr.max_srq_sge;
uresp.max_cqes = QEDR_MAX_CQES;
- rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
+ rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (rc)
goto err;
@@ -499,7 +507,7 @@
uresp.pd_id = pd_id;
- rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
+ rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (rc) {
DP_ERR(dev, "copy error pd_id=0x%x.\n", pd_id);
dev->ops->rdma_dealloc_pd(dev->rdma_ctx, pd_id);
@@ -729,7 +737,7 @@
uresp.db_offset = DB_ADDR_SHIFT(DQ_PWM_OFFSET_UCM_RDMA_CQ_CONS_32BIT);
uresp.icid = cq->icid;
- rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
+ rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (rc)
DP_ERR(dev, "copy error cqid=0x%x.\n", cq->icid);
@@ -1238,7 +1246,7 @@
uresp.atomic_supported = dev->atomic_cap != IB_ATOMIC_NONE;
uresp.qp_id = qp->qp_id;
- rc = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
+ rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (rc)
DP_ERR(dev,
"create qp: failed a copy to user space with qp icid=0x%x.\n",
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index 5984981..a343e3b 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -104,10 +104,9 @@
};
-static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map,
- gfp_t gfp)
+static void get_map_page(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map)
{
- unsigned long page = get_zeroed_page(gfp);
+ unsigned long page = get_zeroed_page(GFP_KERNEL);
/*
* Free the page if someone raced with us installing it.
@@ -126,7 +125,7 @@
* zero/one for QP type IB_QPT_SMI/IB_QPT_GSI.
*/
int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
- enum ib_qp_type type, u8 port, gfp_t gfp)
+ enum ib_qp_type type, u8 port)
{
u32 i, offset, max_scan, qpn;
struct rvt_qpn_map *map;
@@ -160,7 +159,7 @@
max_scan = qpt->nmaps - !offset;
for (i = 0;;) {
if (unlikely(!map->page)) {
- get_map_page(qpt, map, gfp);
+ get_map_page(qpt, map);
if (unlikely(!map->page))
break;
}
@@ -317,16 +316,16 @@
return ib_mtu_enum_to_int(pmtu);
}
-void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, gfp_t gfp)
+void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp)
{
struct qib_qp_priv *priv;
- priv = kzalloc(sizeof(*priv), gfp);
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return ERR_PTR(-ENOMEM);
priv->owner = qp;
- priv->s_hdr = kzalloc(sizeof(*priv->s_hdr), gfp);
+ priv->s_hdr = kzalloc(sizeof(*priv->s_hdr), GFP_KERNEL);
if (!priv->s_hdr) {
kfree(priv);
return ERR_PTR(-ENOMEM);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index da0db54..a52fc67 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -274,11 +274,11 @@
* Functions provided by qib driver for rdmavt to use
*/
unsigned qib_free_all_qps(struct rvt_dev_info *rdi);
-void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp, gfp_t gfp);
+void *qib_qp_priv_alloc(struct rvt_dev_info *rdi, struct rvt_qp *qp);
void qib_qp_priv_free(struct rvt_dev_info *rdi, struct rvt_qp *qp);
void qib_notify_qp_reset(struct rvt_qp *qp);
int qib_alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
- enum ib_qp_type type, u8 port, gfp_t gfp);
+ enum ib_qp_type type, u8 port);
void qib_restart_rc(struct rvt_qp *qp, u32 psn, int wait);
#ifdef CONFIG_DEBUG_FS
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
index 69bda61..90aa326 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
@@ -65,13 +65,28 @@
struct pvrdma_dev *dev = to_vdev(ibcq->device);
struct pvrdma_cq *cq = to_vcq(ibcq);
u32 val = cq->cq_handle;
+ unsigned long flags;
+ int has_data = 0;
val |= (notify_flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ?
PVRDMA_UAR_CQ_ARM_SOL : PVRDMA_UAR_CQ_ARM;
+ spin_lock_irqsave(&cq->cq_lock, flags);
+
pvrdma_write_uar_cq(dev, val);
- return 0;
+ if (notify_flags & IB_CQ_REPORT_MISSED_EVENTS) {
+ unsigned int head;
+
+ has_data = pvrdma_idx_ring_has_data(&cq->ring_state->rx,
+ cq->ibcq.cqe, &head);
+ if (unlikely(has_data == PVRDMA_INVALID_IDX))
+ dev_err(&dev->pdev->dev, "CQ ring state invalid\n");
+ }
+
+ spin_unlock_irqrestore(&cq->cq_lock, flags);
+
+ return has_data;
}
/**
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 727e81c..8876ee7 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -118,10 +118,9 @@
EXPORT_SYMBOL(ib_rvt_state_ops);
static void get_map_page(struct rvt_qpn_table *qpt,
- struct rvt_qpn_map *map,
- gfp_t gfp)
+ struct rvt_qpn_map *map)
{
- unsigned long page = get_zeroed_page(gfp);
+ unsigned long page = get_zeroed_page(GFP_KERNEL);
/*
* Free the page if someone raced with us installing it.
@@ -173,7 +172,7 @@
rdi->dparms.qpn_res_start, rdi->dparms.qpn_res_end);
for (i = rdi->dparms.qpn_res_start; i <= rdi->dparms.qpn_res_end; i++) {
if (!map->page) {
- get_map_page(qpt, map, GFP_KERNEL);
+ get_map_page(qpt, map);
if (!map->page) {
ret = -ENOMEM;
break;
@@ -342,14 +341,14 @@
* Return: The queue pair number
*/
static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
- enum ib_qp_type type, u8 port_num, gfp_t gfp)
+ enum ib_qp_type type, u8 port_num)
{
u32 i, offset, max_scan, qpn;
struct rvt_qpn_map *map;
u32 ret;
if (rdi->driver_f.alloc_qpn)
- return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num, gfp);
+ return rdi->driver_f.alloc_qpn(rdi, qpt, type, port_num);
if (type == IB_QPT_SMI || type == IB_QPT_GSI) {
unsigned n;
@@ -374,7 +373,7 @@
max_scan = qpt->nmaps - !offset;
for (i = 0;;) {
if (unlikely(!map->page)) {
- get_map_page(qpt, map, gfp);
+ get_map_page(qpt, map);
if (unlikely(!map->page))
break;
}
@@ -672,7 +671,6 @@
struct ib_qp *ret = ERR_PTR(-ENOMEM);
struct rvt_dev_info *rdi = ib_to_rvt(ibpd->device);
void *priv = NULL;
- gfp_t gfp;
size_t sqsize;
if (!rdi)
@@ -680,18 +678,9 @@
if (init_attr->cap.max_send_sge > rdi->dparms.props.max_sge ||
init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr ||
- init_attr->create_flags & ~(IB_QP_CREATE_USE_GFP_NOIO))
+ init_attr->create_flags)
return ERR_PTR(-EINVAL);
- /* GFP_NOIO is applicable to RC QP's only */
-
- if (init_attr->create_flags & IB_QP_CREATE_USE_GFP_NOIO &&
- init_attr->qp_type != IB_QPT_RC)
- return ERR_PTR(-EINVAL);
-
- gfp = init_attr->create_flags & IB_QP_CREATE_USE_GFP_NOIO ?
- GFP_NOIO : GFP_KERNEL;
-
/* Check receive queue parameters if no SRQ is specified. */
if (!init_attr->srq) {
if (init_attr->cap.max_recv_sge > rdi->dparms.props.max_sge ||
@@ -719,14 +708,7 @@
sz = sizeof(struct rvt_sge) *
init_attr->cap.max_send_sge +
sizeof(struct rvt_swqe);
- if (gfp == GFP_NOIO)
- swq = __vmalloc(
- sqsize * sz,
- gfp | __GFP_ZERO, PAGE_KERNEL);
- else
- swq = vzalloc_node(
- sqsize * sz,
- rdi->dparms.node);
+ swq = vzalloc_node(sqsize * sz, rdi->dparms.node);
if (!swq)
return ERR_PTR(-ENOMEM);
@@ -741,7 +723,8 @@
} else if (init_attr->cap.max_recv_sge > 1)
sg_list_sz = sizeof(*qp->r_sg_list) *
(init_attr->cap.max_recv_sge - 1);
- qp = kzalloc_node(sz + sg_list_sz, gfp, rdi->dparms.node);
+ qp = kzalloc_node(sz + sg_list_sz, GFP_KERNEL,
+ rdi->dparms.node);
if (!qp)
goto bail_swq;
@@ -751,7 +734,7 @@
kzalloc_node(
sizeof(*qp->s_ack_queue) *
rvt_max_atomic(rdi),
- gfp,
+ GFP_KERNEL,
rdi->dparms.node);
if (!qp->s_ack_queue)
goto bail_qp;
@@ -766,7 +749,7 @@
* Driver needs to set up it's private QP structure and do any
* initialization that is needed.
*/
- priv = rdi->driver_f.qp_priv_alloc(rdi, qp, gfp);
+ priv = rdi->driver_f.qp_priv_alloc(rdi, qp);
if (IS_ERR(priv)) {
ret = priv;
goto bail_qp;
@@ -786,11 +769,6 @@
qp->r_rq.wq = vmalloc_user(
sizeof(struct rvt_rwq) +
qp->r_rq.size * sz);
- else if (gfp == GFP_NOIO)
- qp->r_rq.wq = __vmalloc(
- sizeof(struct rvt_rwq) +
- qp->r_rq.size * sz,
- gfp | __GFP_ZERO, PAGE_KERNEL);
else
qp->r_rq.wq = vzalloc_node(
sizeof(struct rvt_rwq) +
@@ -824,7 +802,7 @@
err = alloc_qpn(rdi, &rdi->qp_dev->qpn_table,
init_attr->qp_type,
- init_attr->port_num, gfp);
+ init_attr->port_num);
if (err < 0) {
ret = ERR_PTR(err);
goto bail_rq_wq;
@@ -1280,9 +1258,7 @@
if (attr_mask & IB_QP_TIMEOUT) {
qp->timeout = attr->timeout;
- qp->timeout_jiffies =
- usecs_to_jiffies((4096UL * (1UL << qp->timeout)) /
- 1000UL);
+ qp->timeout_jiffies = rvt_timeout_to_jiffies(qp->timeout);
}
if (attr_mask & IB_QP_QKEY)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index c3a140e..08f3f90 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -441,6 +441,8 @@
if (unlikely(qp->need_req_skb &&
skb_out < RXE_INFLIGHT_SKBS_PER_QP_LOW))
rxe_run_task(&qp->req.task, 1);
+
+ rxe_drop_ref(qp);
}
int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff *skb)
@@ -473,6 +475,7 @@
return -EAGAIN;
}
+ rxe_add_ref(pkt->qp);
atomic_inc(&pkt->qp->skb_out);
kfree_skb(skb);
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index be944d5..a958ee9 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -1219,6 +1219,9 @@
kfree_skb(skb);
}
+ if (notify)
+ return;
+
while (!qp->srq && qp->rq.queue && queue_head(qp->rq.queue))
advance_consumer(qp->rq.queue);
}
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 073e667..af90a7d 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -914,6 +914,9 @@
spin_unlock_irqrestore(&rq->producer_lock, flags);
+ if (qp->resp.state == QP_STATE_ERROR)
+ rxe_run_task(&qp->resp.task, 1);
+
err1:
return err;
}
@@ -1240,6 +1243,8 @@
addrconf_addr_eui48((unsigned char *)&dev->node_guid,
rxe->ndev->dev_addr);
dev->dev.dma_ops = &dma_virt_ops;
+ dma_coerce_mask_and_coherent(&dev->dev,
+ dma_get_required_mask(dev->dev.parent));
dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION;
dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index ff50a7b..7ac2505 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -336,6 +336,7 @@
unsigned long flags;
struct rw_semaphore vlan_rwsem;
+ struct mutex mcast_mutex;
struct rb_root path_tree;
struct list_head path_list;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 7cbcfda..d69410c 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -39,6 +39,7 @@
#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
#include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
#include "ipoib.h"
@@ -510,7 +511,6 @@
case IB_CM_REQ_RECEIVED:
return ipoib_cm_req_handler(cm_id, event);
case IB_CM_DREQ_RECEIVED:
- p = cm_id->context;
ib_send_cm_drep(cm_id, NULL, 0);
/* Fall through */
case IB_CM_REJ_RECEIVED:
@@ -954,7 +954,7 @@
break;
}
spin_unlock_irq(&priv->lock);
- msleep(1);
+ usleep_range(1000, 2000);
ipoib_drain_cq(dev);
spin_lock_irq(&priv->lock);
}
@@ -1047,9 +1047,8 @@
.sq_sig_type = IB_SIGNAL_ALL_WR,
.qp_type = IB_QPT_RC,
.qp_context = tx,
- .create_flags = IB_QP_CREATE_USE_GFP_NOIO
+ .create_flags = 0
};
-
struct ib_qp *tx_qp;
if (dev->features & NETIF_F_SG)
@@ -1057,10 +1056,6 @@
min_t(u32, priv->ca->attrs.max_sge, MAX_SKB_FRAGS + 1);
tx_qp = ib_create_qp(priv->pd, &attr);
- if (PTR_ERR(tx_qp) == -EINVAL) {
- attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO;
- tx_qp = ib_create_qp(priv->pd, &attr);
- }
tx->max_send_sge = attr.cap.max_send_sge;
return tx_qp;
}
@@ -1131,10 +1126,11 @@
struct sa_path_rec *pathrec)
{
struct ipoib_dev_priv *priv = ipoib_priv(p->dev);
+ unsigned int noio_flag;
int ret;
- p->tx_ring = __vmalloc(ipoib_sendq_size * sizeof *p->tx_ring,
- GFP_NOIO, PAGE_KERNEL);
+ noio_flag = memalloc_noio_save();
+ p->tx_ring = vzalloc(ipoib_sendq_size * sizeof(*p->tx_ring));
if (!p->tx_ring) {
ret = -ENOMEM;
goto err_tx;
@@ -1142,9 +1138,10 @@
memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring);
p->qp = ipoib_cm_create_tx_qp(p->dev, p);
+ memalloc_noio_restore(noio_flag);
if (IS_ERR(p->qp)) {
ret = PTR_ERR(p->qp);
- ipoib_warn(priv, "failed to allocate tx qp: %d\n", ret);
+ ipoib_warn(priv, "failed to create tx qp: %d\n", ret);
goto err_qp;
}
@@ -1206,7 +1203,7 @@
goto timeout;
}
- msleep(1);
+ usleep_range(1000, 2000);
}
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 7871379..184a22f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -52,7 +52,8 @@
IPOIB_NETDEV_STAT(tx_bytes),
IPOIB_NETDEV_STAT(tx_errors),
IPOIB_NETDEV_STAT(rx_dropped),
- IPOIB_NETDEV_STAT(tx_dropped)
+ IPOIB_NETDEV_STAT(tx_dropped),
+ IPOIB_NETDEV_STAT(multicast),
};
#define IPOIB_GLOBAL_STATS_LEN ARRAY_SIZE(ipoib_gstrings_stats)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index efe7402..2e07537 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -256,6 +256,8 @@
++dev->stats.rx_packets;
dev->stats.rx_bytes += skb->len;
+ if (skb->pkt_type == PACKET_MULTICAST)
+ dev->stats.multicast++;
skb->dev = dev;
if ((dev->features & NETIF_F_RXCSUM) &&
@@ -709,6 +711,27 @@
return pending;
}
+static void check_qp_movement_and_print(struct ipoib_dev_priv *priv,
+ struct ib_qp *qp,
+ enum ib_qp_state new_state)
+{
+ struct ib_qp_attr qp_attr;
+ struct ib_qp_init_attr query_init_attr;
+ int ret;
+
+ ret = ib_query_qp(qp, &qp_attr, IB_QP_STATE, &query_init_attr);
+ if (ret) {
+ ipoib_warn(priv, "%s: Failed to query QP\n", __func__);
+ return;
+ }
+ /* print according to the new-state and the previous state.*/
+ if (new_state == IB_QPS_ERR && qp_attr.qp_state == IB_QPS_RESET)
+ ipoib_dbg(priv, "Failed modify QP, IB_QPS_RESET to IB_QPS_ERR, acceptable\n");
+ else
+ ipoib_warn(priv, "Failed to modify QP to state: %d from state: %d\n",
+ new_state, qp_attr.qp_state);
+}
+
int ipoib_ib_dev_stop_default(struct net_device *dev)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);
@@ -728,7 +751,7 @@
*/
qp_attr.qp_state = IB_QPS_ERR;
if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
- ipoib_warn(priv, "Failed to modify QP to ERROR state\n");
+ check_qp_movement_and_print(priv, priv->qp, IB_QPS_ERR);
/* Wait for all sends and receives to complete */
begin = jiffies;
@@ -770,7 +793,7 @@
ipoib_drain_cq(dev);
- msleep(1);
+ usleep_range(1000, 2000);
}
ipoib_dbg(priv, "All sends and receives done.\n");
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 6e86eee..6c77df3 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -233,6 +233,7 @@
static int ipoib_change_mtu(struct net_device *dev, int new_mtu)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);
+ int ret = 0;
/* dev->mtu > 2K ==> connected mode */
if (ipoib_cm_admin_enabled(dev)) {
@@ -256,9 +257,34 @@
ipoib_dbg(priv, "MTU must be smaller than the underlying "
"link layer MTU - 4 (%u)\n", priv->mcast_mtu);
- dev->mtu = min(priv->mcast_mtu, priv->admin_mtu);
+ new_mtu = min(priv->mcast_mtu, priv->admin_mtu);
- return 0;
+ if (priv->rn_ops->ndo_change_mtu) {
+ bool carrier_status = netif_carrier_ok(dev);
+
+ netif_carrier_off(dev);
+
+ /* notify lower level on the real mtu */
+ ret = priv->rn_ops->ndo_change_mtu(dev, new_mtu);
+
+ if (carrier_status)
+ netif_carrier_on(dev);
+ } else {
+ dev->mtu = new_mtu;
+ }
+
+ return ret;
+}
+
+static void ipoib_get_stats(struct net_device *dev,
+ struct rtnl_link_stats64 *stats)
+{
+ struct ipoib_dev_priv *priv = ipoib_priv(dev);
+
+ if (priv->rn_ops->ndo_get_stats64)
+ priv->rn_ops->ndo_get_stats64(dev, stats);
+ else
+ netdev_stats_to_stats64(stats, &dev->stats);
}
/* Called with an RCU read lock taken */
@@ -1534,6 +1560,7 @@
int i, wait_flushed = 0;
init_completion(&priv->ntbl.flushed);
+ set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
spin_lock_irqsave(&priv->lock, flags);
@@ -1578,7 +1605,6 @@
ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n");
init_completion(&priv->ntbl.deleted);
- set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
/* Stop GC if called at init fail need to cancel work */
stopped = test_and_set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
@@ -1808,6 +1834,7 @@
.ndo_get_vf_stats = ipoib_get_vf_stats,
.ndo_set_vf_guid = ipoib_set_vf_guid,
.ndo_set_mac_address = ipoib_set_mac,
+ .ndo_get_stats64 = ipoib_get_stats,
};
static const struct net_device_ops ipoib_netdev_ops_vf = {
@@ -1820,6 +1847,7 @@
.ndo_tx_timeout = ipoib_timeout,
.ndo_set_rx_mode = ipoib_set_mcast_list,
.ndo_get_iflink = ipoib_get_iflink,
+ .ndo_get_stats64 = ipoib_get_stats,
};
void ipoib_setup_common(struct net_device *dev)
@@ -1850,6 +1878,7 @@
priv->dev = dev;
spin_lock_init(&priv->lock);
init_rwsem(&priv->vlan_rwsem);
+ mutex_init(&priv->mcast_mutex);
INIT_LIST_HEAD(&priv->path_list);
INIT_LIST_HEAD(&priv->child_intfs);
@@ -2146,14 +2175,14 @@
priv->dev->dev_id = port - 1;
result = ib_query_port(hca, port, &attr);
- if (!result)
- priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu);
- else {
+ if (result) {
printk(KERN_WARNING "%s: ib_query_port %d failed\n",
hca->name, port);
goto device_init_failed;
}
+ priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu);
+
/* MTU will be reset when mcast join happens */
priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu);
priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu;
@@ -2184,12 +2213,14 @@
printk(KERN_WARNING "%s: ib_query_gid port %d failed (ret = %d)\n",
hca->name, port, result);
goto device_init_failed;
- } else
- memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid));
+ }
+
+ memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw,
+ sizeof(union ib_gid));
set_bit(IPOIB_FLAG_DEV_ADDR_SET, &priv->flags);
result = ipoib_dev_init(priv->dev, hca, port);
- if (result < 0) {
+ if (result) {
printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n",
hca->name, port, result);
goto device_init_failed;
@@ -2212,6 +2243,7 @@
goto register_failed;
}
+ result = -ENOMEM;
if (ipoib_cm_add_mode_attr(priv->dev))
goto sysfs_failed;
if (ipoib_add_pkey_attr(priv->dev))
@@ -2337,6 +2369,7 @@
ipoib_sendq_size = max3(ipoib_sendq_size, 2 * MAX_SEND_CQE, IPOIB_MIN_QUEUE_SIZE);
#ifdef CONFIG_INFINIBAND_IPOIB_CM
ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP);
+ ipoib_max_conn_qp = max(ipoib_max_conn_qp, 0);
#endif
/*
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 057f58e..93e149e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -684,15 +684,10 @@
int ipoib_mcast_stop_thread(struct net_device *dev)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);
- unsigned long flags;
ipoib_dbg_mcast(priv, "stopping multicast thread\n");
- spin_lock_irqsave(&priv->lock, flags);
- cancel_delayed_work(&priv->mcast_task);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- flush_workqueue(priv->wq);
+ cancel_delayed_work_sync(&priv->mcast_task);
return 0;
}
@@ -748,6 +743,14 @@
{
struct ipoib_mcast *mcast, *tmcast;
+ /*
+ * make sure the in-flight joins have finished before we attempt
+ * to leave
+ */
+ list_for_each_entry_safe(mcast, tmcast, remove_list, list)
+ if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
+ wait_for_completion(&mcast->done);
+
list_for_each_entry_safe(mcast, tmcast, remove_list, list) {
ipoib_mcast_leave(mcast->dev, mcast);
ipoib_mcast_free(mcast);
@@ -838,6 +841,7 @@
struct ipoib_mcast *mcast, *tmcast;
unsigned long flags;
+ mutex_lock(&priv->mcast_mutex);
ipoib_dbg_mcast(priv, "flushing multicast list\n");
spin_lock_irqsave(&priv->lock, flags);
@@ -856,15 +860,8 @@
spin_unlock_irqrestore(&priv->lock, flags);
- /*
- * make sure the in-flight joins have finished before we attempt
- * to leave
- */
- list_for_each_entry_safe(mcast, tmcast, &remove_list, list)
- if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
- wait_for_completion(&mcast->done);
-
ipoib_mcast_remove_list(&remove_list);
+ mutex_unlock(&priv->mcast_mutex);
}
static int ipoib_mcast_addr_is_valid(const u8 *addr, const u8 *broadcast)
@@ -982,14 +979,6 @@
netif_addr_unlock(dev);
local_irq_restore(flags);
- /*
- * make sure the in-flight joins have finished before we attempt
- * to leave
- */
- list_for_each_entry_safe(mcast, tmcast, &remove_list, list)
- if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags))
- wait_for_completion(&mcast->done);
-
ipoib_mcast_remove_list(&remove_list);
/*
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 5a887ef..37b33d7 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -83,6 +83,7 @@
static struct iscsi_transport iscsi_iser_transport;
static struct scsi_transport_template *iscsi_iser_scsi_transport;
static struct workqueue_struct *release_wq;
+static DEFINE_MUTEX(unbind_iser_conn_mutex);
struct iser_global ig;
int iser_debug_level = 0;
@@ -550,12 +551,14 @@
*/
if (iser_conn) {
mutex_lock(&iser_conn->state_mutex);
+ mutex_lock(&unbind_iser_conn_mutex);
iser_conn_terminate(iser_conn);
iscsi_conn_stop(cls_conn, flag);
/* unbind */
iser_conn->iscsi_conn = NULL;
conn->dd_data = NULL;
+ mutex_unlock(&unbind_iser_conn_mutex);
complete(&iser_conn->stop_completion);
mutex_unlock(&iser_conn->state_mutex);
@@ -977,13 +980,21 @@
struct iser_conn *iser_conn;
struct ib_device *ib_dev;
+ mutex_lock(&unbind_iser_conn_mutex);
+
session = starget_to_session(scsi_target(sdev))->dd_data;
iser_conn = session->leadconn->dd_data;
+ if (!iser_conn) {
+ mutex_unlock(&unbind_iser_conn_mutex);
+ return -ENOTCONN;
+ }
ib_dev = iser_conn->ib_conn.device->ib_device;
if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
blk_queue_virt_boundary(sdev->request_queue, ~MASK_4K);
+ mutex_unlock(&unbind_iser_conn_mutex);
+
return 0;
}
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 12ed62c..2a07692 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -137,8 +137,10 @@
if (unsol_sz < edtl) {
hdr->flags |= ISER_WSV;
- hdr->write_stag = cpu_to_be32(mem_reg->rkey);
- hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz);
+ if (buf_out->data_len > imm_sz) {
+ hdr->write_stag = cpu_to_be32(mem_reg->rkey);
+ hdr->write_va = cpu_to_be64(mem_reg->sge.addr + unsol_sz);
+ }
iser_dbg("Cmd itt:%d, WRITE tags, RKEY:%#.4X "
"VA:%#llX + unsol:%d\n",
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index c538a38..26a004e 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -708,8 +708,14 @@
unsigned short sg_tablesize, sup_sg_tablesize;
sg_tablesize = DIV_ROUND_UP(max_sectors * 512, SIZE_4K);
- sup_sg_tablesize = min_t(unsigned, ISCSI_ISER_MAX_SG_TABLESIZE,
- device->ib_device->attrs.max_fast_reg_page_list_len);
+ if (device->ib_device->attrs.device_cap_flags &
+ IB_DEVICE_MEM_MGT_EXTENSIONS)
+ sup_sg_tablesize =
+ min_t(
+ uint, ISCSI_ISER_MAX_SG_TABLESIZE,
+ device->ib_device->attrs.max_fast_reg_page_list_len);
+ else
+ sup_sg_tablesize = ISCSI_ISER_MAX_SG_TABLESIZE;
iser_conn->scsi_sg_tablesize = min(sg_tablesize, sup_sg_tablesize);
}
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 298a6ba..ca0e19a 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -476,10 +476,21 @@
};
/*
- * A rumble packet is required for some PowerA pads to start
+ * A specific rumble packet is required for some PowerA pads to start
* sending input reports. One of those pads is (0x24c6:0x543a).
*/
-static const u8 xboxone_zerorumble_init[] = {
+static const u8 xboxone_rumblebegin_init[] = {
+ 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
+ 0x1D, 0x1D, 0xFF, 0x00, 0x00
+};
+
+/*
+ * A rumble packet with zero FF intensity will immediately
+ * terminate the rumbling required to init PowerA pads.
+ * This should happen fast enough that the motors don't
+ * spin up to enough speed to actually vibrate the gamepad.
+ */
+static const u8 xboxone_rumbleend_init[] = {
0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
@@ -494,9 +505,12 @@
XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
- XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_zerorumble_init),
- XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_zerorumble_init),
- XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_zerorumble_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumbleend_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumbleend_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumbleend_init),
};
struct xpad_output_packet {
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index f600f3a..23520df 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -331,7 +331,7 @@
error = gpiod_count(dev, NULL);
if (error < 0) {
dev_dbg(dev, "no GPIO attached, ignoring...\n");
- return error;
+ return -ENODEV;
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 262d105..850b00e 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1215,14 +1215,24 @@
case SS4_PACKET_ID_TWO:
if (priv->flags & ALPS_BUTTONPAD) {
- f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
+ if (IS_SS4PLUS_DEV(priv->dev_id)) {
+ f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
+ } else {
+ f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
+ }
f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0);
- f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1);
} else {
- f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
+ if (IS_SS4PLUS_DEV(priv->dev_id)) {
+ f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
+ } else {
+ f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
+ }
f->mt[0].y = SS4_STD_MF_Y_V2(p, 0);
- f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
f->mt[1].y = SS4_STD_MF_Y_V2(p, 1);
}
f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0;
@@ -1239,16 +1249,27 @@
case SS4_PACKET_ID_MULTI:
if (priv->flags & ALPS_BUTTONPAD) {
- f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
+ if (IS_SS4PLUS_DEV(priv->dev_id)) {
+ f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
+ } else {
+ f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
+ f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
+ }
+
f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0);
- f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1);
no_data_x = SS4_MFPACKET_NO_AX_BL;
no_data_y = SS4_MFPACKET_NO_AY_BL;
} else {
- f->mt[2].x = SS4_STD_MF_X_V2(p, 0);
+ if (IS_SS4PLUS_DEV(priv->dev_id)) {
+ f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
+ } else {
+ f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
+ f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
+ }
f->mt[2].y = SS4_STD_MF_Y_V2(p, 0);
- f->mt[3].x = SS4_STD_MF_X_V2(p, 1);
f->mt[3].y = SS4_STD_MF_Y_V2(p, 1);
no_data_x = SS4_MFPACKET_NO_AX;
no_data_y = SS4_MFPACKET_NO_AY;
@@ -2541,8 +2562,8 @@
memset(otp, 0, sizeof(otp));
- if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) ||
- alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]))
+ if (alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]) ||
+ alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]))
return -1;
alps_update_device_area_ss4_v2(otp, priv);
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index ed2d687..c80a7c7 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -100,6 +100,10 @@
((_b[1 + _i * 3] << 5) & 0x1F00) \
)
+#define SS4_PLUS_STD_MF_X_V2(_b, _i) (((_b[0 + (_i) * 3] << 4) & 0x0070) | \
+ ((_b[1 + (_i) * 3] << 4) & 0x0F80) \
+ )
+
#define SS4_STD_MF_Y_V2(_b, _i) (((_b[1 + (_i) * 3] << 3) & 0x0010) | \
((_b[2 + (_i) * 3] << 5) & 0x01E0) | \
((_b[2 + (_i) * 3] << 4) & 0x0E00) \
@@ -109,6 +113,10 @@
((_b[0 + (_i) * 3] >> 3) & 0x0010) \
)
+#define SS4_PLUS_BTL_MF_X_V2(_b, _i) (SS4_PLUS_STD_MF_X_V2(_b, _i) | \
+ ((_b[0 + (_i) * 3] >> 4) & 0x0008) \
+ )
+
#define SS4_BTL_MF_Y_V2(_b, _i) (SS4_STD_MF_Y_V2(_b, _i) | \
((_b[0 + (_i) * 3] >> 3) & 0x0008) \
)
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 3b616cb..cfbc8ba 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1247,7 +1247,12 @@
{ "ELAN0000", 0 },
{ "ELAN0100", 0 },
{ "ELAN0600", 0 },
+ { "ELAN0602", 0 },
{ "ELAN0605", 0 },
+ { "ELAN0608", 0 },
+ { "ELAN0605", 0 },
+ { "ELAN0609", 0 },
+ { "ELAN060B", 0 },
{ "ELAN1000", 0 },
{ }
};
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 16c3046..5af0b7d 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -535,16 +535,17 @@
}
}
+static bool synaptics_has_agm(struct synaptics_data *priv)
+{
+ return (SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
+ SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c));
+}
+
static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
{
static u8 param = 0xc8;
- struct synaptics_data *priv = psmouse->private;
int error;
- if (!(SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)))
- return 0;
-
error = psmouse_sliced_command(psmouse, SYN_QUE_MODEL);
if (error)
return error;
@@ -553,9 +554,6 @@
if (error)
return error;
- /* Advanced gesture mode also sends multi finger data */
- priv->info.capabilities |= BIT(1);
-
return 0;
}
@@ -578,7 +576,7 @@
if (error)
return error;
- if (priv->absolute_mode) {
+ if (priv->absolute_mode && synaptics_has_agm(priv)) {
error = synaptics_set_advanced_gesture_mode(psmouse);
if (error) {
psmouse_err(psmouse,
@@ -766,9 +764,7 @@
((buf[0] & 0x04) >> 1) |
((buf[3] & 0x04) >> 2));
- if ((SYN_CAP_ADV_GESTURE(priv->info.ext_cap_0c) ||
- SYN_CAP_IMAGE_SENSOR(priv->info.ext_cap_0c)) &&
- hw->w == 2) {
+ if (synaptics_has_agm(priv) && hw->w == 2) {
synaptics_parse_agm(buf, priv, hw);
return 1;
}
@@ -1033,6 +1029,15 @@
synaptics_report_mt_data(psmouse, sgm, num_fingers);
}
+static bool synaptics_has_multifinger(struct synaptics_data *priv)
+{
+ if (SYN_CAP_MULTIFINGER(priv->info.capabilities))
+ return true;
+
+ /* Advanced gesture mode also sends multi finger data */
+ return synaptics_has_agm(priv);
+}
+
/*
* called for each full received packet from the touchpad
*/
@@ -1079,7 +1084,7 @@
if (SYN_CAP_EXTENDED(info->capabilities)) {
switch (hw.w) {
case 0 ... 1:
- if (SYN_CAP_MULTIFINGER(info->capabilities))
+ if (synaptics_has_multifinger(priv))
num_fingers = hw.w + 2;
break;
case 2:
@@ -1123,7 +1128,7 @@
input_report_abs(dev, ABS_TOOL_WIDTH, finger_width);
input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
+ if (synaptics_has_multifinger(priv)) {
input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2);
input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3);
}
@@ -1283,7 +1288,7 @@
__set_bit(BTN_TOUCH, dev->keybit);
__set_bit(BTN_TOOL_FINGER, dev->keybit);
- if (SYN_CAP_MULTIFINGER(info->capabilities)) {
+ if (synaptics_has_multifinger(priv)) {
__set_bit(BTN_TOOL_DOUBLETAP, dev->keybit);
__set_bit(BTN_TOOL_TRIPLETAP, dev->keybit);
}
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 922ea02..0871010 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -265,7 +265,8 @@
if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
return -1;
- if (param[0] != TP_MAGIC_IDENT)
+ /* add new TP ID. */
+ if (!(param[0] & TP_MAGIC_IDENT))
return -1;
if (firmware_id)
@@ -380,8 +381,8 @@
return 0;
if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) {
- psmouse_warn(psmouse, "failed to get extended button data\n");
- button_info = 0;
+ psmouse_warn(psmouse, "failed to get extended button data, assuming 3 buttons\n");
+ button_info = 0x33;
}
psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 5617ed3..8805575 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -21,8 +21,9 @@
#define TP_COMMAND 0xE2 /* Commands start with this */
#define TP_READ_ID 0xE1 /* Sent for device identification */
-#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */
+#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */
/* by the firmware ID */
+ /* Firmware ID includes 0x1, 0x2, 0x3 */
/*
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 688e775..354cbd6 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4452,6 +4452,7 @@
/* Setting */
irte->hi.fields.ga_root_ptr = (pi_data->base >> 12);
irte->hi.fields.vector = vcpu_pi_info->vector;
+ irte->lo.fields_vapic.ga_log_intr = 1;
irte->lo.fields_vapic.guest_mode = 1;
irte->lo.fields_vapic.ga_tag = pi_data->ga_tag;
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 5cc597b..3723037 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -2440,11 +2440,11 @@
break;
case IOMMU_ACPI_FINISHED:
early_enable_iommus();
- register_syscore_ops(&amd_iommu_syscore_ops);
x86_platform.iommu_shutdown = disable_iommus;
init_state = IOMMU_ENABLED;
break;
case IOMMU_ENABLED:
+ register_syscore_ops(&amd_iommu_syscore_ops);
ret = amd_iommu_init_pci();
init_state = ret ? IOMMU_INIT_ERROR : IOMMU_PCI_INIT;
enable_iommus_v2();
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 294a409..d6b873b 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -574,7 +574,9 @@
static inline struct amd_iommu *dev_to_amd_iommu(struct device *dev)
{
- return container_of(dev, struct amd_iommu, iommu.dev);
+ struct iommu_device *iommu = dev_to_iommu_device(dev);
+
+ return container_of(iommu, struct amd_iommu, iommu);
}
#define ACPIHID_UID_LEN 256
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 6629c47..dccf5b7 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -391,13 +391,6 @@
return 0;
}
-static void mn_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- __mn_flush_page(mn, address);
-}
-
static void mn_invalidate_range(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start, unsigned long end)
@@ -436,7 +429,6 @@
static const struct mmu_notifier_ops iommu_mn = {
.release = mn_release,
.clear_flush_young = mn_clear_flush_young,
- .invalidate_page = mn_invalidate_page,
.invalidate_range = mn_invalidate_range,
};
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index bc89b4d..2d80fa8 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -400,6 +400,8 @@
u32 cavium_id_base; /* Specific to Cavium */
+ spinlock_t global_sync_lock;
+
/* IOMMU core code handle */
struct iommu_device iommu;
};
@@ -436,7 +438,7 @@
struct arm_smmu_cfg cfg;
enum arm_smmu_domain_stage stage;
struct mutex init_mutex; /* Protects smmu pointer */
- spinlock_t cb_lock; /* Serialises ATS1* ops */
+ spinlock_t cb_lock; /* Serialises ATS1* ops and TLB syncs */
struct iommu_domain domain;
};
@@ -602,9 +604,12 @@
static void arm_smmu_tlb_sync_global(struct arm_smmu_device *smmu)
{
void __iomem *base = ARM_SMMU_GR0(smmu);
+ unsigned long flags;
+ spin_lock_irqsave(&smmu->global_sync_lock, flags);
__arm_smmu_tlb_sync(smmu, base + ARM_SMMU_GR0_sTLBGSYNC,
base + ARM_SMMU_GR0_sTLBGSTATUS);
+ spin_unlock_irqrestore(&smmu->global_sync_lock, flags);
}
static void arm_smmu_tlb_sync_context(void *cookie)
@@ -612,9 +617,12 @@
struct arm_smmu_domain *smmu_domain = cookie;
struct arm_smmu_device *smmu = smmu_domain->smmu;
void __iomem *base = ARM_SMMU_CB(smmu, smmu_domain->cfg.cbndx);
+ unsigned long flags;
+ spin_lock_irqsave(&smmu_domain->cb_lock, flags);
__arm_smmu_tlb_sync(smmu, base + ARM_SMMU_CB_TLBSYNC,
base + ARM_SMMU_CB_TLBSTATUS);
+ spin_unlock_irqrestore(&smmu_domain->cb_lock, flags);
}
static void arm_smmu_tlb_sync_vmid(void *cookie)
@@ -1511,6 +1519,12 @@
if (using_legacy_binding) {
ret = arm_smmu_register_legacy_master(dev, &smmu);
+
+ /*
+ * If dev->iommu_fwspec is initally NULL, arm_smmu_register_legacy_master()
+ * will allocate/initialise a new one. Thus we need to update fwspec for
+ * later use.
+ */
fwspec = dev->iommu_fwspec;
if (ret)
goto out_free;
@@ -1550,15 +1564,15 @@
ret = arm_smmu_master_alloc_smes(dev);
if (ret)
- goto out_free;
+ goto out_cfg_free;
iommu_device_link(&smmu->iommu, dev);
return 0;
+out_cfg_free:
+ kfree(cfg);
out_free:
- if (fwspec)
- kfree(fwspec->iommu_priv);
iommu_fwspec_free(dev);
return ret;
}
@@ -1925,6 +1939,7 @@
smmu->num_mapping_groups = size;
mutex_init(&smmu->stream_map_mutex);
+ spin_lock_init(&smmu->global_sync_lock);
if (smmu->version < ARM_SMMU_V2 || !(id & ID0_PTFS_NO_AARCH32)) {
smmu->features |= ARM_SMMU_FEAT_FMT_AARCH32_L;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 687f18f..3e8636f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4736,7 +4736,9 @@
static inline struct intel_iommu *dev_to_intel_iommu(struct device *dev)
{
- return container_of(dev, struct intel_iommu, iommu.dev);
+ struct iommu_device *iommu_dev = dev_to_iommu_device(dev);
+
+ return container_of(iommu_dev, struct intel_iommu, iommu);
}
static ssize_t intel_iommu_show_version(struct device *dev,
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index f167c0d..f620dcc 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -223,14 +223,6 @@
intel_flush_svm_range(svm, address, 1, 1, 0);
}
-static void intel_invalidate_page(struct mmu_notifier *mn, struct mm_struct *mm,
- unsigned long address)
-{
- struct intel_svm *svm = container_of(mn, struct intel_svm, notifier);
-
- intel_flush_svm_range(svm, address, 1, 1, 0);
-}
-
/* Pages have been freed at this point */
static void intel_invalidate_range(struct mmu_notifier *mn,
struct mm_struct *mm,
@@ -285,7 +277,6 @@
static const struct mmu_notifier_ops intel_mmuops = {
.release = intel_mm_release,
.change_pte = intel_change_pte,
- .invalidate_page = intel_invalidate_page,
.invalidate_range = intel_invalidate_range,
};
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index af330f5..d665d0d 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -479,6 +479,9 @@
if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
return 0;
+ if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr)))
+ return -ERANGE;
+
ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd);
/*
* Synchronise all PTE updates for the new mapping before there's
@@ -659,6 +662,9 @@
struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
size_t unmapped;
+ if (WARN_ON(upper_32_bits(iova)))
+ return 0;
+
unmapped = __arm_v7s_unmap(data, iova, size, 1, data->pgd);
if (unmapped)
io_pgtable_tlb_sync(&data->iop);
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index b182039..e8018a3 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -452,6 +452,10 @@
if (!(iommu_prot & (IOMMU_READ | IOMMU_WRITE)))
return 0;
+ if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
+ paddr >= (1ULL << data->iop.cfg.oas)))
+ return -ERANGE;
+
prot = arm_lpae_prot_to_pte(data, iommu_prot);
ret = __arm_lpae_map(data, iova, paddr, size, prot, lvl, ptep);
/*
@@ -610,6 +614,9 @@
arm_lpae_iopte *ptep = data->pgd;
int lvl = ARM_LPAE_START_LVL(data);
+ if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias)))
+ return 0;
+
unmapped = __arm_lpae_unmap(data, iova, size, lvl, ptep);
if (unmapped)
io_pgtable_tlb_sync(&data->iop);
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index 524263a..a3e6670 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -158,14 +158,12 @@
* @fmt: The page table format.
* @cookie: An opaque token provided by the IOMMU driver and passed back to
* any callback routines.
- * @tlb_sync_pending: Private flag for optimising out redundant syncs.
* @cfg: A copy of the page table configuration.
* @ops: The page table operations in use for this set of page tables.
*/
struct io_pgtable {
enum io_pgtable_fmt fmt;
void *cookie;
- bool tlb_sync_pending;
struct io_pgtable_cfg cfg;
struct io_pgtable_ops ops;
};
@@ -175,22 +173,17 @@
static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop)
{
iop->cfg.tlb->tlb_flush_all(iop->cookie);
- iop->tlb_sync_pending = true;
}
static inline void io_pgtable_tlb_add_flush(struct io_pgtable *iop,
unsigned long iova, size_t size, size_t granule, bool leaf)
{
iop->cfg.tlb->tlb_add_flush(iova, size, granule, leaf, iop->cookie);
- iop->tlb_sync_pending = true;
}
static inline void io_pgtable_tlb_sync(struct io_pgtable *iop)
{
- if (iop->tlb_sync_pending) {
- iop->cfg.tlb->tlb_sync(iop->cookie);
- iop->tlb_sync_pending = false;
- }
+ iop->cfg.tlb->tlb_sync(iop->cookie);
}
/**
diff --git a/drivers/iommu/iommu-sysfs.c b/drivers/iommu/iommu-sysfs.c
index c58351e..36d1a7c 100644
--- a/drivers/iommu/iommu-sysfs.c
+++ b/drivers/iommu/iommu-sysfs.c
@@ -62,32 +62,40 @@
va_list vargs;
int ret;
- device_initialize(&iommu->dev);
+ iommu->dev = kzalloc(sizeof(*iommu->dev), GFP_KERNEL);
+ if (!iommu->dev)
+ return -ENOMEM;
- iommu->dev.class = &iommu_class;
- iommu->dev.parent = parent;
- iommu->dev.groups = groups;
+ device_initialize(iommu->dev);
+
+ iommu->dev->class = &iommu_class;
+ iommu->dev->parent = parent;
+ iommu->dev->groups = groups;
va_start(vargs, fmt);
- ret = kobject_set_name_vargs(&iommu->dev.kobj, fmt, vargs);
+ ret = kobject_set_name_vargs(&iommu->dev->kobj, fmt, vargs);
va_end(vargs);
if (ret)
goto error;
- ret = device_add(&iommu->dev);
+ ret = device_add(iommu->dev);
if (ret)
goto error;
+ dev_set_drvdata(iommu->dev, iommu);
+
return 0;
error:
- put_device(&iommu->dev);
+ put_device(iommu->dev);
return ret;
}
void iommu_device_sysfs_remove(struct iommu_device *iommu)
{
- device_unregister(&iommu->dev);
+ dev_set_drvdata(iommu->dev, NULL);
+ device_unregister(iommu->dev);
+ iommu->dev = NULL;
}
/*
* IOMMU drivers can indicate a device is managed by a given IOMMU using
@@ -102,14 +110,14 @@
if (!iommu || IS_ERR(iommu))
return -ENODEV;
- ret = sysfs_add_link_to_group(&iommu->dev.kobj, "devices",
+ ret = sysfs_add_link_to_group(&iommu->dev->kobj, "devices",
&link->kobj, dev_name(link));
if (ret)
return ret;
- ret = sysfs_create_link_nowarn(&link->kobj, &iommu->dev.kobj, "iommu");
+ ret = sysfs_create_link_nowarn(&link->kobj, &iommu->dev->kobj, "iommu");
if (ret)
- sysfs_remove_link_from_group(&iommu->dev.kobj, "devices",
+ sysfs_remove_link_from_group(&iommu->dev->kobj, "devices",
dev_name(link));
return ret;
@@ -121,5 +129,5 @@
return;
sysfs_remove_link(&link->kobj, "iommu");
- sysfs_remove_link_from_group(&iommu->dev.kobj, "devices", dev_name(link));
+ sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link));
}
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 5d14cd1..91c6d36 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -129,6 +129,7 @@
writel_relaxed(iova, data->base + REG_MMU_INVLD_START_A);
writel_relaxed(iova + size - 1, data->base + REG_MMU_INVLD_END_A);
writel_relaxed(F_MMU_INV_RANGE, data->base + REG_MMU_INVALIDATE);
+ data->tlb_flush_active = true;
}
static void mtk_iommu_tlb_sync(void *cookie)
@@ -137,6 +138,10 @@
int ret;
u32 tmp;
+ /* Avoid timing out if there's nothing to wait for */
+ if (!data->tlb_flush_active)
+ return;
+
ret = readl_poll_timeout_atomic(data->base + REG_MMU_CPE_DONE, tmp,
tmp != 0, 10, 100000);
if (ret) {
@@ -146,6 +151,7 @@
}
/* Clear the CPE status */
writel_relaxed(0, data->base + REG_MMU_CPE_DONE);
+ data->tlb_flush_active = false;
}
static const struct iommu_gather_ops mtk_iommu_gather_ops = {
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index 2a28ead..c06cc91 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -47,6 +47,7 @@
struct iommu_group *m4u_group;
struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
bool enable_4GB;
+ bool tlb_flush_active;
struct iommu_device iommu;
};
diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c
index 28b26c8..072bd22 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -137,14 +137,14 @@
#define AT91_RTC_IMR 0x28
#define AT91_RTC_IRQ_MASK 0x1f
-void __init aic_common_rtc_irq_fixup(struct device_node *root)
+void __init aic_common_rtc_irq_fixup(void)
{
struct device_node *np;
void __iomem *regs;
- np = of_find_compatible_node(root, NULL, "atmel,at91rm9200-rtc");
+ np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-rtc");
if (!np)
- np = of_find_compatible_node(root, NULL,
+ np = of_find_compatible_node(NULL, NULL,
"atmel,at91sam9x5-rtc");
if (!np)
@@ -165,7 +165,7 @@
#define AT91_RTT_ALMIEN (1 << 16) /* Alarm Interrupt Enable */
#define AT91_RTT_RTTINCIEN (1 << 17) /* Real Time Timer Increment Interrupt Enable */
-void __init aic_common_rtt_irq_fixup(struct device_node *root)
+void __init aic_common_rtt_irq_fixup(void)
{
struct device_node *np;
void __iomem *regs;
@@ -196,11 +196,10 @@
return;
match = of_match_node(matches, root);
- of_node_put(root);
if (match) {
- void (*fixup)(struct device_node *) = match->data;
- fixup(root);
+ void (*fixup)(void) = match->data;
+ fixup();
}
of_node_put(root);
diff --git a/drivers/irqchip/irq-atmel-aic-common.h b/drivers/irqchip/irq-atmel-aic-common.h
index af60376..242e62c 100644
--- a/drivers/irqchip/irq-atmel-aic-common.h
+++ b/drivers/irqchip/irq-atmel-aic-common.h
@@ -33,8 +33,8 @@
const char *name, int nirqs,
const struct of_device_id *matches);
-void __init aic_common_rtc_irq_fixup(struct device_node *root);
+void __init aic_common_rtc_irq_fixup(void);
-void __init aic_common_rtt_irq_fixup(struct device_node *root);
+void __init aic_common_rtt_irq_fixup(void);
#endif /* __IRQ_ATMEL_AIC_COMMON_H */
diff --git a/drivers/irqchip/irq-atmel-aic.c b/drivers/irqchip/irq-atmel-aic.c
index 37f952d..bb1ad45 100644
--- a/drivers/irqchip/irq-atmel-aic.c
+++ b/drivers/irqchip/irq-atmel-aic.c
@@ -209,20 +209,20 @@
.xlate = aic_irq_domain_xlate,
};
-static void __init at91rm9200_aic_irq_fixup(struct device_node *root)
+static void __init at91rm9200_aic_irq_fixup(void)
{
- aic_common_rtc_irq_fixup(root);
+ aic_common_rtc_irq_fixup();
}
-static void __init at91sam9260_aic_irq_fixup(struct device_node *root)
+static void __init at91sam9260_aic_irq_fixup(void)
{
- aic_common_rtt_irq_fixup(root);
+ aic_common_rtt_irq_fixup();
}
-static void __init at91sam9g45_aic_irq_fixup(struct device_node *root)
+static void __init at91sam9g45_aic_irq_fixup(void)
{
- aic_common_rtc_irq_fixup(root);
- aic_common_rtt_irq_fixup(root);
+ aic_common_rtc_irq_fixup();
+ aic_common_rtt_irq_fixup();
}
static const struct of_device_id aic_irq_fixups[] __initconst = {
diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
index c04ee9a..6acad2e 100644
--- a/drivers/irqchip/irq-atmel-aic5.c
+++ b/drivers/irqchip/irq-atmel-aic5.c
@@ -305,9 +305,9 @@
.xlate = aic5_irq_domain_xlate,
};
-static void __init sama5d3_aic_irq_fixup(struct device_node *root)
+static void __init sama5d3_aic_irq_fixup(void)
{
- aic_common_rtc_irq_fixup(root);
+ aic_common_rtc_irq_fixup();
}
static const struct of_device_id aic5_irq_fixups[] __initconst = {
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index bddf169..b009b91 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -189,6 +189,7 @@
ct->chip.irq_suspend = brcmstb_l2_intc_suspend;
ct->chip.irq_resume = brcmstb_l2_intc_resume;
+ ct->chip.irq_pm_shutdown = brcmstb_l2_intc_suspend;
if (data->can_wake) {
/* This IRQ chip can wake the system, set all child interrupts
diff --git a/drivers/irqchip/irq-digicolor.c b/drivers/irqchip/irq-digicolor.c
index dad85e7..3aae015 100644
--- a/drivers/irqchip/irq-digicolor.c
+++ b/drivers/irqchip/irq-digicolor.c
@@ -71,7 +71,7 @@
static int __init digicolor_of_init(struct device_node *node,
struct device_node *parent)
{
- static void __iomem *reg_base;
+ void __iomem *reg_base;
unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
struct regmap *ucregs;
int ret;
diff --git a/drivers/irqchip/irq-gic-realview.c b/drivers/irqchip/irq-gic-realview.c
index 54c2964..18d58d2 100644
--- a/drivers/irqchip/irq-gic-realview.c
+++ b/drivers/irqchip/irq-gic-realview.c
@@ -43,7 +43,7 @@
static int __init
realview_gic_of_init(struct device_node *node, struct device_node *parent)
{
- static struct regmap *map;
+ struct regmap *map;
struct device_node *np;
const struct of_device_id *gic_id;
u32 pld1_ctrl;
diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c
index 249240d..833a90f 100644
--- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c
@@ -43,6 +43,7 @@
*dev_id = args.args[0];
break;
}
+ index++;
} while (!ret);
return ret;
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 6893287..284738a 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1835,7 +1835,7 @@
#define ACPI_GICV3_ITS_MEM_SIZE (SZ_128K)
-#if defined(CONFIG_ACPI_NUMA) && (ACPI_CA_VERSION >= 0x20170531)
+#ifdef CONFIG_ACPI_NUMA
struct its_srat_map {
/* numa node id */
u32 numa_node;
@@ -1843,7 +1843,7 @@
u32 its_id;
};
-static struct its_srat_map its_srat_maps[MAX_NUMNODES] __initdata;
+static struct its_srat_map *its_srat_maps __initdata;
static int its_in_srat __initdata;
static int __init acpi_get_its_numa_node(u32 its_id)
@@ -1857,6 +1857,12 @@
return NUMA_NO_NODE;
}
+static int __init gic_acpi_match_srat_its(struct acpi_subtable_header *header,
+ const unsigned long end)
+{
+ return 0;
+}
+
static int __init gic_acpi_parse_srat_its(struct acpi_subtable_header *header,
const unsigned long end)
{
@@ -1873,12 +1879,6 @@
return -EINVAL;
}
- if (its_in_srat >= MAX_NUMNODES) {
- pr_err("SRAT: ITS affinity exceeding max count[%d]\n",
- MAX_NUMNODES);
- return -EINVAL;
- }
-
node = acpi_map_pxm_to_node(its_affinity->proximity_domain);
if (node == NUMA_NO_NODE || node >= MAX_NUMNODES) {
@@ -1897,14 +1897,37 @@
static void __init acpi_table_parse_srat_its(void)
{
+ int count;
+
+ count = acpi_table_parse_entries(ACPI_SIG_SRAT,
+ sizeof(struct acpi_table_srat),
+ ACPI_SRAT_TYPE_GIC_ITS_AFFINITY,
+ gic_acpi_match_srat_its, 0);
+ if (count <= 0)
+ return;
+
+ its_srat_maps = kmalloc(count * sizeof(struct its_srat_map),
+ GFP_KERNEL);
+ if (!its_srat_maps) {
+ pr_warn("SRAT: Failed to allocate memory for its_srat_maps!\n");
+ return;
+ }
+
acpi_table_parse_entries(ACPI_SIG_SRAT,
sizeof(struct acpi_table_srat),
ACPI_SRAT_TYPE_GIC_ITS_AFFINITY,
gic_acpi_parse_srat_its, 0);
}
+
+/* free the its_srat_maps after ITS probing */
+static void __init acpi_its_srat_maps_free(void)
+{
+ kfree(its_srat_maps);
+}
#else
static void __init acpi_table_parse_srat_its(void) { }
static int __init acpi_get_its_numa_node(u32 its_id) { return NUMA_NO_NODE; }
+static void __init acpi_its_srat_maps_free(void) { }
#endif
static int __init gic_acpi_parse_madt_its(struct acpi_subtable_header *header,
@@ -1951,6 +1974,7 @@
acpi_table_parse_srat_its();
acpi_table_parse_madt(ACPI_MADT_TYPE_GENERIC_TRANSLATOR,
gic_acpi_parse_madt_its, 0);
+ acpi_its_srat_maps_free();
}
#else
static void __init its_acpi_probe(void) { }
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index dbffb7a..984c3ec 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -353,6 +353,8 @@
if (static_key_true(&supports_deactivate))
gic_write_eoir(irqnr);
+ else
+ isb();
err = handle_domain_irq(gic_data.domain, irqnr, regs);
if (err) {
@@ -640,11 +642,16 @@
static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+ unsigned int cpu;
void __iomem *reg;
int enabled;
u64 val;
+ if (force)
+ cpu = cpumask_first(mask_val);
+ else
+ cpu = cpumask_any_and(mask_val, cpu_online_mask);
+
if (cpu >= nr_cpu_ids)
return -EINVAL;
@@ -831,8 +838,11 @@
if (ret)
return ret;
- for (i = 0; i < nr_irqs; i++)
- gic_irq_domain_map(domain, virq + i, hwirq + i);
+ for (i = 0; i < nr_irqs; i++) {
+ ret = gic_irq_domain_map(domain, virq + i, hwirq + i);
+ if (ret)
+ return ret;
+ }
return 0;
}
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 1b1df4f..d3e7c43 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -361,6 +361,7 @@
if (likely(irqnr > 15 && irqnr < 1020)) {
if (static_key_true(&supports_deactivate))
writel_relaxed(irqstat, cpu_base + GIC_CPU_EOI);
+ isb();
handle_domain_irq(gic->domain, irqnr, regs);
continue;
}
@@ -401,10 +402,12 @@
goto out;
cascade_irq = irq_find_mapping(chip_data->domain, gic_irq);
- if (unlikely(gic_irq < 32 || gic_irq > 1020))
+ if (unlikely(gic_irq < 32 || gic_irq > 1020)) {
handle_bad_irq(desc);
- else
+ } else {
+ isb();
generic_handle_irq(cascade_irq);
+ }
out:
chained_irq_exit(chip, desc);
@@ -1027,8 +1030,11 @@
if (ret)
return ret;
- for (i = 0; i < nr_irqs; i++)
- gic_irq_domain_map(domain, virq + i, hwirq + i);
+ for (i = 0; i < nr_irqs; i++) {
+ ret = gic_irq_domain_map(domain, virq + i, hwirq + i);
+ if (ret)
+ return ret;
+ }
return 0;
}
diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c
index 0a8ed1c..14461cb 100644
--- a/drivers/irqchip/irq-mips-cpu.c
+++ b/drivers/irqchip/irq-mips-cpu.c
@@ -154,7 +154,7 @@
static int mips_cpu_intc_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hw)
{
- static struct irq_chip *chip;
+ struct irq_chip *chip;
if (hw < 2 && cpu_has_mipsmt) {
/* Software interrupts are used for MT/CMT IPI */
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 832ebf40..48ee1ba 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -950,7 +950,6 @@
&gic_irq_domain_ops, NULL);
if (!gic_irq_domain)
panic("Failed to add GIC IRQ domain");
- gic_irq_domain->name = "mips-gic-irq";
gic_ipi_domain = irq_domain_add_hierarchy(gic_irq_domain,
IRQ_DOMAIN_FLAG_IPI_PER_CPU,
@@ -959,7 +958,6 @@
if (!gic_ipi_domain)
panic("Failed to add GIC IPI domain");
- gic_ipi_domain->name = "mips-gic-ipi";
irq_domain_update_bus_token(gic_ipi_domain, DOMAIN_BUS_IPI);
if (node &&
@@ -1022,8 +1020,11 @@
gic_len = resource_size(&res);
}
- if (mips_cm_present())
+ if (mips_cm_present()) {
write_gcr_gic_base(gic_base | CM_GCR_GIC_BASE_GICEN_MSK);
+ /* Ensure GIC region is enabled before trying to access it */
+ __sync();
+ }
gic_present = true;
__gic_init(gic_base, gic_len, cpu_vec, 0, node);
diff --git a/drivers/isdn/divert/isdn_divert.c b/drivers/isdn/divert/isdn_divert.c
index 060d357..6f423bc 100644
--- a/drivers/isdn/divert/isdn_divert.c
+++ b/drivers/isdn/divert/isdn_divert.c
@@ -485,18 +485,19 @@
cs->deflect_dest[0] = '\0';
retval = 4; /* only proceed */
}
- sprintf(cs->info, "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n",
- cs->akt_state,
- cs->divert_id,
- divert_if.drv_to_name(cs->ics.driver),
- (ic->command == ISDN_STAT_ICALLW) ? "1" : "0",
- cs->ics.parm.setup.phone,
- cs->ics.parm.setup.eazmsn,
- cs->ics.parm.setup.si1,
- cs->ics.parm.setup.si2,
- cs->ics.parm.setup.screen,
- dv->rule.waittime,
- cs->deflect_dest);
+ snprintf(cs->info, sizeof(cs->info),
+ "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n",
+ cs->akt_state,
+ cs->divert_id,
+ divert_if.drv_to_name(cs->ics.driver),
+ (ic->command == ISDN_STAT_ICALLW) ? "1" : "0",
+ cs->ics.parm.setup.phone,
+ cs->ics.parm.setup.eazmsn,
+ cs->ics.parm.setup.si1,
+ cs->ics.parm.setup.si2,
+ cs->ics.parm.setup.screen,
+ dv->rule.waittime,
+ cs->deflect_dest);
if ((dv->rule.action == DEFLECT_REPORT) ||
(dv->rule.action == DEFLECT_REJECT)) {
put_info_buffer(cs->info);
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 40c7e2c..034caba 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -42,7 +42,7 @@
static bool suppress_pollack;
-static struct pci_device_id c4_pci_tbl[] = {
+static const struct pci_device_id c4_pci_tbl[] = {
{ PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 },
{ PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 },
{ } /* Terminating entry */
diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index 8b7ad4f..b2023e0 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -110,7 +110,7 @@
/*
This table should be sorted by PCI device ID
*/
-static struct pci_device_id divas_pci_tbl[] = {
+static const struct pci_device_id divas_pci_tbl[] = {
/* Diva Server BRI-2M PCI 0xE010 */
{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRA),
CARDTYPE_MAESTRA_PCI },
diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c
index e3fa1cd..dce6632 100644
--- a/drivers/isdn/hardware/mISDN/avmfritz.c
+++ b/drivers/isdn/hardware/mISDN/avmfritz.c
@@ -1142,7 +1142,7 @@
pr_info("%s: drvdata already removed\n", __func__);
}
-static struct pci_device_id fcpci_ids[] = {
+static const struct pci_device_id fcpci_ids[] = {
{ PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_A1, PCI_ANY_ID, PCI_ANY_ID,
0, 0, (unsigned long) "Fritz!Card PCI"},
{ PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_A1_V2, PCI_ANY_ID, PCI_ANY_ID,
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index aea0c96..3cf07b8 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -5348,7 +5348,7 @@
#undef H
#define H(x) ((unsigned long)&hfcm_map[x])
-static struct pci_device_id hfmultipci_ids[] = {
+static const struct pci_device_id hfmultipci_ids[] = {
/* Cards with HFC-4S Chip */
{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 5dc246d..d2e401a 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -2161,7 +2161,7 @@
{},
};
-static struct pci_device_id hfc_ids[] =
+static const struct pci_device_id hfc_ids[] =
{
{ PCI_VDEVICE(CCD, PCI_DEVICE_ID_CCD_2BD0),
(unsigned long) &hfc_map[0] },
diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c
index afde4ed..6a6d848 100644
--- a/drivers/isdn/hardware/mISDN/netjet.c
+++ b/drivers/isdn/hardware/mISDN/netjet.c
@@ -1137,7 +1137,7 @@
/* We cannot select cards with PCI_SUB... IDs, since here are cards with
* SUB IDs set to PCI_ANY_ID, so we need to match all and reject
* known other cards which not work with this driver - see probe function */
-static struct pci_device_id nj_pci_ids[] = {
+static const struct pci_device_id nj_pci_ids[] = {
{ PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_300,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ }
diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c
index 3052c83..d80072f 100644
--- a/drivers/isdn/hardware/mISDN/w6692.c
+++ b/drivers/isdn/hardware/mISDN/w6692.c
@@ -1398,7 +1398,7 @@
pr_notice("%s: drvdata already removed\n", __func__);
}
-static struct pci_device_id w6692_ids[] = {
+static const struct pci_device_id w6692_ids[] = {
{ PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, (ulong)&w6692_map[0]},
{ PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692,
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index c7d6867..7108bdb8 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -1909,7 +1909,7 @@
#ifdef CONFIG_PCI
#include <linux/pci.h>
-static struct pci_device_id hisax_pci_tbl[] __used = {
+static const struct pci_device_id hisax_pci_tbl[] __used = {
#ifdef CONFIG_HISAX_FRITZPCI
{PCI_VDEVICE(AVM, PCI_DEVICE_ID_AVM_A1) },
#endif
diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c
index 90f051c..9090cc1 100644
--- a/drivers/isdn/hisax/hfc4s8s_l1.c
+++ b/drivers/isdn/hisax/hfc4s8s_l1.c
@@ -86,7 +86,7 @@
char *device_name;
} hfc4s8s_param;
-static struct pci_device_id hfc4s8s_ids[] = {
+static const struct pci_device_id hfc4s8s_ids[] = {
{.vendor = PCI_VENDOR_ID_CCD,
.device = PCI_DEVICE_ID_4S,
.subvendor = 0x1397,
diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c
index 5a9f39e..e4f7573 100644
--- a/drivers/isdn/hisax/hisax_fcpcipnp.c
+++ b/drivers/isdn/hisax/hisax_fcpcipnp.c
@@ -52,7 +52,7 @@
MODULE_AUTHOR("Kai Germaschewski <kai.germaschewski@gmx.de>/Karsten Keil <kkeil@suse.de>");
MODULE_DESCRIPTION("AVM Fritz!PCI/PnP ISDN driver");
-static struct pci_device_id fcpci_ids[] = {
+static const struct pci_device_id fcpci_ids[] = {
{ .vendor = PCI_VENDOR_ID_AVM,
.device = PCI_DEVICE_ID_AVM_A1,
.subvendor = PCI_ANY_ID,
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index 7b5fd8f..aaca0b3 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -44,7 +44,6 @@
char log_name[15]; /* log filename */
struct log_data *log_head, *log_tail; /* head and tail for queue */
int if_used; /* open count for interface */
- int volatile del_lock; /* lock for delete operations */
unsigned char logtmp[LOG_MAX_LINELEN];
wait_queue_head_t rd_queue;
};
@@ -102,7 +101,6 @@
{
struct log_data *ib;
struct procdata *pd = card->proclog;
- int i;
unsigned long flags;
if (!pd)
@@ -126,21 +124,21 @@
else
pd->log_tail->next = ib; /* follows existing messages */
pd->log_tail = ib; /* new tail */
- i = pd->del_lock++; /* get lock state */
- spin_unlock_irqrestore(&card->hysdn_lock, flags);
/* delete old entrys */
- if (!i)
- while (pd->log_head->next) {
- if ((pd->log_head->usage_cnt <= 0) &&
- (pd->log_head->next->usage_cnt <= 0)) {
- ib = pd->log_head;
- pd->log_head = pd->log_head->next;
- kfree(ib);
- } else
- break;
- } /* pd->log_head->next */
- pd->del_lock--; /* release lock level */
+ while (pd->log_head->next) {
+ if ((pd->log_head->usage_cnt <= 0) &&
+ (pd->log_head->next->usage_cnt <= 0)) {
+ ib = pd->log_head;
+ pd->log_head = pd->log_head->next;
+ kfree(ib);
+ } else {
+ break;
+ }
+ } /* pd->log_head->next */
+
+ spin_unlock_irqrestore(&card->hysdn_lock, flags);
+
wake_up_interruptible(&(pd->rd_queue)); /* announce new entry */
} /* put_log_buffer */
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 89b09c5..38a5bb7 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1376,6 +1376,7 @@
if (arg) {
if (copy_from_user(bname, argp, sizeof(bname) - 1))
return -EFAULT;
+ bname[sizeof(bname)-1] = 0;
} else
return -EINVAL;
ret = mutex_lock_interruptible(&dev->mtx);
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index c151c6d..f63a110 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2611,10 +2611,9 @@
char newname[10];
if (p) {
- /* Slave-Name MUST not be empty */
- if (!strlen(p + 1))
+ /* Slave-Name MUST not be empty or overflow 'newname' */
+ if (strscpy(newname, p + 1, sizeof(newname)) <= 0)
return NULL;
- strcpy(newname, p + 1);
*p = 0;
/* Master must already exist */
if (!(n = isdn_net_findif(parm)))
diff --git a/drivers/isdn/mISDN/fsm.c b/drivers/isdn/mISDN/fsm.c
index 78fc5d5..92e6570 100644
--- a/drivers/isdn/mISDN/fsm.c
+++ b/drivers/isdn/mISDN/fsm.c
@@ -26,7 +26,7 @@
#define FSM_TIMER_DEBUG 0
-void
+int
mISDN_FsmNew(struct Fsm *fsm,
struct FsmNode *fnlist, int fncount)
{
@@ -34,6 +34,8 @@
fsm->jumpmatrix = kzalloc(sizeof(FSMFNPTR) * fsm->state_count *
fsm->event_count, GFP_KERNEL);
+ if (fsm->jumpmatrix == NULL)
+ return -ENOMEM;
for (i = 0; i < fncount; i++)
if ((fnlist[i].state >= fsm->state_count) ||
@@ -45,6 +47,7 @@
} else
fsm->jumpmatrix[fsm->state_count * fnlist[i].event +
fnlist[i].state] = (FSMFNPTR) fnlist[i].routine;
+ return 0;
}
EXPORT_SYMBOL(mISDN_FsmNew);
diff --git a/drivers/isdn/mISDN/fsm.h b/drivers/isdn/mISDN/fsm.h
index 928f5be..e1def84 100644
--- a/drivers/isdn/mISDN/fsm.h
+++ b/drivers/isdn/mISDN/fsm.h
@@ -55,7 +55,7 @@
void *arg;
};
-extern void mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
+extern int mISDN_FsmNew(struct Fsm *, struct FsmNode *, int);
extern void mISDN_FsmFree(struct Fsm *);
extern int mISDN_FsmEvent(struct FsmInst *, int , void *);
extern void mISDN_FsmChangeState(struct FsmInst *, int);
diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c
index bebc57b..3192b0e 100644
--- a/drivers/isdn/mISDN/layer1.c
+++ b/drivers/isdn/mISDN/layer1.c
@@ -414,8 +414,7 @@
l1fsm_s.event_count = L1_EVENT_COUNT;
l1fsm_s.strEvent = strL1Event;
l1fsm_s.strState = strL1SState;
- mISDN_FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
- return 0;
+ return mISDN_FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
}
void
diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index 7243a67..9ff0903 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -2247,15 +2247,26 @@
int
Isdnl2_Init(u_int *deb)
{
+ int res;
debug = deb;
mISDN_register_Bprotocol(&X75SLP);
l2fsm.state_count = L2_STATE_COUNT;
l2fsm.event_count = L2_EVENT_COUNT;
l2fsm.strEvent = strL2Event;
l2fsm.strState = strL2State;
- mISDN_FsmNew(&l2fsm, L2FnList, ARRAY_SIZE(L2FnList));
- TEIInit(deb);
+ res = mISDN_FsmNew(&l2fsm, L2FnList, ARRAY_SIZE(L2FnList));
+ if (res)
+ goto error;
+ res = TEIInit(deb);
+ if (res)
+ goto error_fsm;
return 0;
+
+error_fsm:
+ mISDN_FsmFree(&l2fsm);
+error:
+ mISDN_unregister_Bprotocol(&X75SLP);
+ return res;
}
void
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index 908127e..12d9e5f 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -1387,23 +1387,37 @@
int TEIInit(u_int *deb)
{
+ int res;
debug = deb;
teifsmu.state_count = TEI_STATE_COUNT;
teifsmu.event_count = TEI_EVENT_COUNT;
teifsmu.strEvent = strTeiEvent;
teifsmu.strState = strTeiState;
- mISDN_FsmNew(&teifsmu, TeiFnListUser, ARRAY_SIZE(TeiFnListUser));
+ res = mISDN_FsmNew(&teifsmu, TeiFnListUser, ARRAY_SIZE(TeiFnListUser));
+ if (res)
+ goto error;
teifsmn.state_count = TEI_STATE_COUNT;
teifsmn.event_count = TEI_EVENT_COUNT;
teifsmn.strEvent = strTeiEvent;
teifsmn.strState = strTeiState;
- mISDN_FsmNew(&teifsmn, TeiFnListNet, ARRAY_SIZE(TeiFnListNet));
+ res = mISDN_FsmNew(&teifsmn, TeiFnListNet, ARRAY_SIZE(TeiFnListNet));
+ if (res)
+ goto error_smn;
deactfsm.state_count = DEACT_STATE_COUNT;
deactfsm.event_count = DEACT_EVENT_COUNT;
deactfsm.strEvent = strDeactEvent;
deactfsm.strState = strDeactState;
- mISDN_FsmNew(&deactfsm, DeactFnList, ARRAY_SIZE(DeactFnList));
+ res = mISDN_FsmNew(&deactfsm, DeactFnList, ARRAY_SIZE(DeactFnList));
+ if (res)
+ goto error_deact;
return 0;
+
+error_deact:
+ mISDN_FsmFree(&teifsmn);
+error_smn:
+ mISDN_FsmFree(&teifsmu);
+error:
+ return res;
}
void TEIFree(void)
diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index 5ecc154..9bc3257 100644
--- a/drivers/lightnvm/pblk-rb.c
+++ b/drivers/lightnvm/pblk-rb.c
@@ -657,7 +657,7 @@
* be directed to disk.
*/
int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba,
- struct ppa_addr ppa, int bio_iter)
+ struct ppa_addr ppa, int bio_iter, bool advanced_bio)
{
struct pblk *pblk = container_of(rb, struct pblk, rwb);
struct pblk_rb_entry *entry;
@@ -694,7 +694,7 @@
* filled with data from the cache). If part of the data resides on the
* media, we will read later on
*/
- if (unlikely(!bio->bi_iter.bi_idx))
+ if (unlikely(!advanced_bio))
bio_advance(bio, bio_iter * PBLK_EXPOSED_PAGE_SIZE);
data = bio_data(bio);
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index 4e5c48f..d682e89 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -26,7 +26,7 @@
*/
static int pblk_read_from_cache(struct pblk *pblk, struct bio *bio,
sector_t lba, struct ppa_addr ppa,
- int bio_iter)
+ int bio_iter, bool advanced_bio)
{
#ifdef CONFIG_NVM_DEBUG
/* Callers must ensure that the ppa points to a cache address */
@@ -34,7 +34,8 @@
BUG_ON(!pblk_addr_in_cache(ppa));
#endif
- return pblk_rb_copy_to_bio(&pblk->rwb, bio, lba, ppa, bio_iter);
+ return pblk_rb_copy_to_bio(&pblk->rwb, bio, lba, ppa,
+ bio_iter, advanced_bio);
}
static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd,
@@ -44,7 +45,7 @@
struct ppa_addr ppas[PBLK_MAX_REQ_ADDRS];
sector_t blba = pblk_get_lba(bio);
int nr_secs = rqd->nr_ppas;
- int advanced_bio = 0;
+ bool advanced_bio = false;
int i, j = 0;
/* logic error: lba out-of-bounds. Ignore read request */
@@ -62,19 +63,26 @@
retry:
if (pblk_ppa_empty(p)) {
WARN_ON(test_and_set_bit(i, read_bitmap));
- continue;
+
+ if (unlikely(!advanced_bio)) {
+ bio_advance(bio, (i) * PBLK_EXPOSED_PAGE_SIZE);
+ advanced_bio = true;
+ }
+
+ goto next;
}
/* Try to read from write buffer. The address is later checked
* on the write buffer to prevent retrieving overwritten data.
*/
if (pblk_addr_in_cache(p)) {
- if (!pblk_read_from_cache(pblk, bio, lba, p, i)) {
+ if (!pblk_read_from_cache(pblk, bio, lba, p, i,
+ advanced_bio)) {
pblk_lookup_l2p_seq(pblk, &p, lba, 1);
goto retry;
}
WARN_ON(test_and_set_bit(i, read_bitmap));
- advanced_bio = 1;
+ advanced_bio = true;
#ifdef CONFIG_NVM_DEBUG
atomic_long_inc(&pblk->cache_reads);
#endif
@@ -83,6 +91,7 @@
rqd->ppa_list[j++] = p;
}
+next:
if (advanced_bio)
bio_advance(bio, PBLK_EXPOSED_PAGE_SIZE);
}
@@ -282,7 +291,7 @@
* write buffer to prevent retrieving overwritten data.
*/
if (pblk_addr_in_cache(ppa)) {
- if (!pblk_read_from_cache(pblk, bio, lba, ppa, 0)) {
+ if (!pblk_read_from_cache(pblk, bio, lba, ppa, 0, 1)) {
pblk_lookup_l2p_seq(pblk, &ppa, lba, 1);
goto retry;
}
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index 0c5692c..67e623b 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -670,7 +670,7 @@
struct list_head *list,
unsigned int max);
int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba,
- struct ppa_addr ppa, int bio_iter);
+ struct ppa_addr ppa, int bio_iter, bool advanced_bio);
unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int entries);
unsigned int pblk_rb_sync_init(struct pblk_rb *rb, unsigned long *flags);
diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
index ac91fd0..cbca5e5 100644
--- a/drivers/mailbox/pcc.c
+++ b/drivers/mailbox/pcc.c
@@ -92,7 +92,7 @@
*/
static struct mbox_chan *get_pcc_channel(int id)
{
- if (id < 0 || id > pcc_mbox_ctrl.num_chans)
+ if (id < 0 || id >= pcc_mbox_ctrl.num_chans)
return ERR_PTR(-ENOENT);
return &pcc_mbox_channels[id];
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index f4eace5..40f3cd7 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -156,7 +156,8 @@
rdev_for_each(rdev, mddev) {
if (! test_bit(In_sync, &rdev->flags)
- || test_bit(Faulty, &rdev->flags))
+ || test_bit(Faulty, &rdev->flags)
+ || test_bit(Bitmap_sync, &rdev->flags))
continue;
target = offset + index * (PAGE_SIZE/512);
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 850ff6c..44f4a8a 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1258,8 +1258,7 @@
*/
int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c)
{
- blk_status_t a;
- int f;
+ int a, f;
unsigned long buffers_processed = 0;
struct dm_buffer *b, *tmp;
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 1b224aa..3acce09 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1587,16 +1587,18 @@
if (likely(ic->mode == 'J')) {
if (dio->write) {
unsigned next_entry, i, pos;
- unsigned ws, we;
+ unsigned ws, we, range_sectors;
- dio->range.n_sectors = min(dio->range.n_sectors, ic->free_sectors);
+ dio->range.n_sectors = min(dio->range.n_sectors,
+ ic->free_sectors << ic->sb->log2_sectors_per_block);
if (unlikely(!dio->range.n_sectors))
goto sleep;
- ic->free_sectors -= dio->range.n_sectors;
+ range_sectors = dio->range.n_sectors >> ic->sb->log2_sectors_per_block;
+ ic->free_sectors -= range_sectors;
journal_section = ic->free_section;
journal_entry = ic->free_section_entry;
- next_entry = ic->free_section_entry + dio->range.n_sectors;
+ next_entry = ic->free_section_entry + range_sectors;
ic->free_section_entry = next_entry % ic->journal_section_entries;
ic->free_section += next_entry / ic->journal_section_entries;
ic->n_uncommitted_sections += next_entry / ic->journal_section_entries;
@@ -1727,6 +1729,8 @@
wraparound_section(ic, &ic->free_section);
ic->n_uncommitted_sections++;
}
+ WARN_ON(ic->journal_sections * ic->journal_section_entries !=
+ (ic->n_uncommitted_sections + ic->n_committed_sections) * ic->journal_section_entries + ic->free_sectors);
}
static void integrity_commit(struct work_struct *w)
@@ -1821,6 +1825,9 @@
{
unsigned i, j, n;
struct journal_completion comp;
+ struct blk_plug plug;
+
+ blk_start_plug(&plug);
comp.ic = ic;
comp.in_flight = (atomic_t)ATOMIC_INIT(1);
@@ -1945,6 +1952,8 @@
dm_bufio_write_dirty_buffers_async(ic->bufio);
+ blk_finish_plug(&plug);
+
complete_journal_op(&comp);
wait_for_completion_io(&comp.comp);
@@ -3019,6 +3028,11 @@
ti->error = "Block size doesn't match the information in superblock";
goto bad;
}
+ if (!le32_to_cpu(ic->sb->journal_sections)) {
+ r = -EINVAL;
+ ti->error = "Corrupted superblock, journal_sections is 0";
+ goto bad;
+ }
/* make sure that ti->max_io_len doesn't overflow */
if (ic->sb->log2_interleave_sectors < MIN_LOG2_INTERLEAVE_SECTORS ||
ic->sb->log2_interleave_sectors > MAX_LOG2_INTERLEAVE_SECTORS) {
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 0e8ab5b..d24e4b0 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -504,7 +504,6 @@
if (queue_dying) {
atomic_inc(&m->pg_init_in_progress);
activate_or_offline_path(pgpath);
- return DM_MAPIO_REQUEUE;
}
return DM_MAPIO_DELAY_REQUEUE;
}
@@ -1458,7 +1457,6 @@
case BLK_STS_TARGET:
case BLK_STS_NEXUS:
case BLK_STS_MEDIUM:
- case BLK_STS_RESOURCE:
return 1;
}
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 2e10c2f..5bfe285 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -208,6 +208,7 @@
#define RT_FLAG_RS_BITMAP_LOADED 2
#define RT_FLAG_UPDATE_SBS 3
#define RT_FLAG_RESHAPE_RS 4
+#define RT_FLAG_RS_SUSPENDED 5
/* Array elements of 64 bit needed for rebuild/failed disk bits */
#define DISKS_ARRAY_ELEMS ((MAX_RAID_DEVICES + (sizeof(uint64_t) * 8 - 1)) / sizeof(uint64_t) / 8)
@@ -564,9 +565,10 @@
if (__raid10_near_copies(layout) > 1)
return "near";
- WARN_ON(__raid10_far_copies(layout) < 2);
+ if (__raid10_far_copies(layout) > 1)
+ return "far";
- return "far";
+ return "unknown";
}
/* Return md raid10 algorithm for @name */
@@ -2540,11 +2542,6 @@
if (!freshest)
return 0;
- if (validate_raid_redundancy(rs)) {
- rs->ti->error = "Insufficient redundancy to activate array";
- return -EINVAL;
- }
-
/*
* Validation of the freshest device provides the source of
* validation for the remaining devices.
@@ -2553,6 +2550,11 @@
if (super_validate(rs, freshest))
return -EINVAL;
+ if (validate_raid_redundancy(rs)) {
+ rs->ti->error = "Insufficient redundancy to activate array";
+ return -EINVAL;
+ }
+
rdev_for_each(rdev, mddev)
if (!test_bit(Journal, &rdev->flags) &&
rdev != freshest &&
@@ -3168,6 +3170,7 @@
}
mddev_suspend(&rs->md);
+ set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags);
/* Try to adjust the raid4/5/6 stripe cache size to the stripe size */
if (rs_is_raid456(rs)) {
@@ -3625,7 +3628,7 @@
{
struct raid_set *rs = ti->private;
- if (!rs->md.suspended)
+ if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags))
mddev_suspend(&rs->md);
rs->md.ro = 1;
@@ -3759,7 +3762,7 @@
return r;
/* Need to be resumed to be able to start reshape, recovery is frozen until raid_resume() though */
- if (mddev->suspended)
+ if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags))
mddev_resume(mddev);
/*
@@ -3786,8 +3789,8 @@
}
/* Suspend because a resume will happen in raid_resume() */
- if (!mddev->suspended)
- mddev_suspend(mddev);
+ set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags);
+ mddev_suspend(mddev);
/*
* Now reshape got set up, update superblocks to
@@ -3883,13 +3886,13 @@
if (!(rs->ctr_flags & RESUME_STAY_FROZEN_FLAGS))
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- if (mddev->suspended)
+ if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags))
mddev_resume(mddev);
}
static struct target_type raid_target = {
.name = "raid",
- .version = {1, 11, 1},
+ .version = {1, 12, 1},
.module = THIS_MODULE,
.ctr = raid_ctr,
.dtr = raid_dtr,
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index a39bcd9..28a4071 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -20,6 +20,7 @@
#include <linux/atomic.h>
#include <linux/blk-mq.h>
#include <linux/mount.h>
+#include <linux/dax.h>
#define DM_MSG_PREFIX "table"
@@ -1630,6 +1631,37 @@
return false;
}
+static int device_dax_write_cache_enabled(struct dm_target *ti,
+ struct dm_dev *dev, sector_t start,
+ sector_t len, void *data)
+{
+ struct dax_device *dax_dev = dev->dax_dev;
+
+ if (!dax_dev)
+ return false;
+
+ if (dax_write_cache_enabled(dax_dev))
+ return true;
+ return false;
+}
+
+static int dm_table_supports_dax_write_cache(struct dm_table *t)
+{
+ struct dm_target *ti;
+ unsigned i;
+
+ for (i = 0; i < dm_table_get_num_targets(t); i++) {
+ ti = dm_table_get_target(t, i);
+
+ if (ti->type->iterate_devices &&
+ ti->type->iterate_devices(ti,
+ device_dax_write_cache_enabled, NULL))
+ return true;
+ }
+
+ return false;
+}
+
static int device_is_nonrot(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data)
{
@@ -1785,6 +1817,9 @@
}
blk_queue_write_cache(q, wc, fua);
+ if (dm_table_supports_dax_write_cache(t))
+ dax_write_cache(t->md->dax_dev, true);
+
/* Ensure that all underlying devices are non-rotational. */
if (dm_table_all_devices_attribute(t, device_is_nonrot))
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 504ba3f..e13f908 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -308,19 +308,14 @@
{
unsigned n;
- if (!fio->rs) {
- fio->rs = mempool_alloc(v->fec->rs_pool, 0);
- if (unlikely(!fio->rs)) {
- DMERR("failed to allocate RS");
- return -ENOMEM;
- }
- }
+ if (!fio->rs)
+ fio->rs = mempool_alloc(v->fec->rs_pool, GFP_NOIO);
fec_for_each_prealloc_buffer(n) {
if (fio->bufs[n])
continue;
- fio->bufs[n] = mempool_alloc(v->fec->prealloc_pool, GFP_NOIO);
+ fio->bufs[n] = mempool_alloc(v->fec->prealloc_pool, GFP_NOWAIT);
if (unlikely(!fio->bufs[n])) {
DMERR("failed to allocate FEC buffer");
return -ENOMEM;
@@ -332,22 +327,16 @@
if (fio->bufs[n])
continue;
- fio->bufs[n] = mempool_alloc(v->fec->extra_pool, GFP_NOIO);
+ fio->bufs[n] = mempool_alloc(v->fec->extra_pool, GFP_NOWAIT);
/* we can manage with even one buffer if necessary */
if (unlikely(!fio->bufs[n]))
break;
}
fio->nbufs = n;
- if (!fio->output) {
+ if (!fio->output)
fio->output = mempool_alloc(v->fec->output_pool, GFP_NOIO);
- if (!fio->output) {
- DMERR("failed to allocate FEC page");
- return -ENOMEM;
- }
- }
-
return 0;
}
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 884ff7c..a4fa2ad 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -624,7 +624,7 @@
ret = dmz_rdwr_block(zmd, REQ_OP_WRITE, block, mblk->page);
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
return ret;
}
@@ -658,7 +658,7 @@
/* Flush drive cache (this will also sync data) */
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
return ret;
}
@@ -722,7 +722,7 @@
/* If there are no dirty metadata blocks, just flush the device cache */
if (list_empty(&write_list)) {
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
goto out;
}
@@ -927,7 +927,7 @@
(zmd->nr_meta_zones << zmd->dev->zone_nr_blocks_shift);
}
- page = alloc_page(GFP_KERNEL);
+ page = alloc_page(GFP_NOIO);
if (!page)
return -ENOMEM;
@@ -1183,7 +1183,7 @@
/* Get zone information from disk */
ret = blkdev_report_zones(zmd->dev->bdev, dmz_start_sect(zmd, zone),
- &blkz, &nr_blkz, GFP_KERNEL);
+ &blkz, &nr_blkz, GFP_NOIO);
if (ret) {
dmz_dev_err(zmd->dev, "Get zone %u report failed",
dmz_id(zmd, zone));
@@ -1257,7 +1257,7 @@
ret = blkdev_reset_zones(dev->bdev,
dmz_start_sect(zmd, zone),
- dev->zone_nr_sectors, GFP_KERNEL);
+ dev->zone_nr_sectors, GFP_NOIO);
if (ret) {
dmz_dev_err(dev, "Reset zone %u failed %d",
dmz_id(zmd, zone), ret);
diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index 05c0a12..44a119e1 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -75,7 +75,7 @@
nr_blocks = block - wp_block;
ret = blkdev_issue_zeroout(zrc->dev->bdev,
dmz_start_sect(zmd, zone) + dmz_blk2sect(wp_block),
- dmz_blk2sect(nr_blocks), GFP_NOFS, false);
+ dmz_blk2sect(nr_blocks), GFP_NOIO, 0);
if (ret) {
dmz_dev_err(zrc->dev,
"Align zone %u wp %llu to %llu (wp+%u) blocks failed %d",
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 2b538fa..b08bbbd 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -541,7 +541,7 @@
int ret;
/* Create a new chunk work */
- cw = kmalloc(sizeof(struct dm_chunk_work), GFP_NOFS);
+ cw = kmalloc(sizeof(struct dm_chunk_work), GFP_NOIO);
if (!cw)
goto out;
@@ -588,7 +588,7 @@
bio->bi_bdev = dev->bdev;
- if (!nr_sectors && (bio_op(bio) != REQ_OP_FLUSH) && (bio_op(bio) != REQ_OP_WRITE))
+ if (!nr_sectors && bio_op(bio) != REQ_OP_WRITE)
return DM_MAPIO_REMAPPED;
/* The BIO should be block aligned */
@@ -603,7 +603,7 @@
bioctx->status = BLK_STS_OK;
/* Set the BIO pending in the flush list */
- if (bio_op(bio) == REQ_OP_FLUSH || (!nr_sectors && bio_op(bio) == REQ_OP_WRITE)) {
+ if (!nr_sectors && bio_op(bio) == REQ_OP_WRITE) {
spin_lock(&dmz->flush_lock);
bio_list_add(&dmz->flush_list, bio);
spin_unlock(&dmz->flush_lock);
@@ -785,7 +785,7 @@
/* Chunk BIO work */
mutex_init(&dmz->chunk_lock);
- INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOFS);
+ INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL);
dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND,
0, dev->name);
if (!dmz->chunk_wq) {
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 2edbcc2..d669fdd 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -27,16 +27,6 @@
#define DM_MSG_PREFIX "core"
-#ifdef CONFIG_PRINTK
-/*
- * ratelimit state to be used in DMXXX_LIMIT().
- */
-DEFINE_RATELIMIT_STATE(dm_ratelimit_state,
- DEFAULT_RATELIMIT_INTERVAL,
- DEFAULT_RATELIMIT_BURST);
-EXPORT_SYMBOL(dm_ratelimit_state);
-#endif
-
/*
* Cookies are numeric values sent with CHANGE and REMOVE
* uevents while resuming, removing or renaming the device.
@@ -1523,7 +1513,7 @@
}
/* drop the extra reference count */
- dec_pending(ci.io, error);
+ dec_pending(ci.io, errno_to_blk_status(error));
}
/*-----------------------------------------------------------------
* CRUD END
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 8cdca029..b01e458 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2287,7 +2287,7 @@
static bool set_in_sync(struct mddev *mddev)
{
- WARN_ON_ONCE(!spin_is_locked(&mddev->lock));
+ WARN_ON_ONCE(NR_CPUS != 1 && !spin_is_locked(&mddev->lock));
if (!mddev->in_sync) {
mddev->sync_checkers++;
spin_unlock(&mddev->lock);
@@ -7996,7 +7996,7 @@
if (mddev->safemode == 1)
mddev->safemode = 0;
/* sync_checkers is always 0 when writes_pending is in per-cpu mode */
- if (mddev->in_sync || !mddev->sync_checkers) {
+ if (mddev->in_sync || mddev->sync_checkers) {
spin_lock(&mddev->lock);
if (mddev->in_sync) {
mddev->in_sync = 0;
@@ -8656,6 +8656,9 @@
if (mddev_trylock(mddev)) {
int spares = 0;
+ if (!mddev->external && mddev->safemode == 1)
+ mddev->safemode = 0;
+
if (mddev->ro) {
struct md_rdev *rdev;
if (!mddev->external && mddev->in_sync)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 991f0fe..09db034 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -134,7 +134,9 @@
Faulty, /* device is known to have a fault */
In_sync, /* device is in_sync with rest of array */
Bitmap_sync, /* ..actually, not quite In_sync. Need a
- * bitmap-based recovery to get fully in sync
+ * bitmap-based recovery to get fully in sync.
+ * The bit is only meaningful before device
+ * has been passed to pers->hot_add_disk.
*/
WriteMostly, /* Avoid reading if at all possible */
AutoDetected, /* added by auto-detect */
@@ -729,58 +731,4 @@
!bdev_get_queue(bio->bi_bdev)->limits.max_write_zeroes_sectors)
mddev->queue->limits.max_write_zeroes_sectors = 0;
}
-
-/* Maximum size of each resync request */
-#define RESYNC_BLOCK_SIZE (64*1024)
-#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
-
-/* for managing resync I/O pages */
-struct resync_pages {
- unsigned idx; /* for get/put page from the pool */
- void *raid_bio;
- struct page *pages[RESYNC_PAGES];
-};
-
-static inline int resync_alloc_pages(struct resync_pages *rp,
- gfp_t gfp_flags)
-{
- int i;
-
- for (i = 0; i < RESYNC_PAGES; i++) {
- rp->pages[i] = alloc_page(gfp_flags);
- if (!rp->pages[i])
- goto out_free;
- }
-
- return 0;
-
-out_free:
- while (--i >= 0)
- put_page(rp->pages[i]);
- return -ENOMEM;
-}
-
-static inline void resync_free_pages(struct resync_pages *rp)
-{
- int i;
-
- for (i = 0; i < RESYNC_PAGES; i++)
- put_page(rp->pages[i]);
-}
-
-static inline void resync_get_all_pages(struct resync_pages *rp)
-{
- int i;
-
- for (i = 0; i < RESYNC_PAGES; i++)
- get_page(rp->pages[i]);
-}
-
-static inline struct page *resync_fetch_page(struct resync_pages *rp,
- unsigned idx)
-{
- if (WARN_ON_ONCE(idx >= RESYNC_PAGES))
- return NULL;
- return rp->pages[idx];
-}
#endif /* _MD_MD_H */
diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c
new file mode 100644
index 0000000..9f2670b
--- /dev/null
+++ b/drivers/md/raid1-10.c
@@ -0,0 +1,81 @@
+/* Maximum size of each resync request */
+#define RESYNC_BLOCK_SIZE (64*1024)
+#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
+
+/* for managing resync I/O pages */
+struct resync_pages {
+ void *raid_bio;
+ struct page *pages[RESYNC_PAGES];
+};
+
+static inline int resync_alloc_pages(struct resync_pages *rp,
+ gfp_t gfp_flags)
+{
+ int i;
+
+ for (i = 0; i < RESYNC_PAGES; i++) {
+ rp->pages[i] = alloc_page(gfp_flags);
+ if (!rp->pages[i])
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ while (--i >= 0)
+ put_page(rp->pages[i]);
+ return -ENOMEM;
+}
+
+static inline void resync_free_pages(struct resync_pages *rp)
+{
+ int i;
+
+ for (i = 0; i < RESYNC_PAGES; i++)
+ put_page(rp->pages[i]);
+}
+
+static inline void resync_get_all_pages(struct resync_pages *rp)
+{
+ int i;
+
+ for (i = 0; i < RESYNC_PAGES; i++)
+ get_page(rp->pages[i]);
+}
+
+static inline struct page *resync_fetch_page(struct resync_pages *rp,
+ unsigned idx)
+{
+ if (WARN_ON_ONCE(idx >= RESYNC_PAGES))
+ return NULL;
+ return rp->pages[idx];
+}
+
+/*
+ * 'strct resync_pages' stores actual pages used for doing the resync
+ * IO, and it is per-bio, so make .bi_private points to it.
+ */
+static inline struct resync_pages *get_resync_pages(struct bio *bio)
+{
+ return bio->bi_private;
+}
+
+/* generally called after bio_reset() for reseting bvec */
+static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp,
+ int size)
+{
+ int idx = 0;
+
+ /* initialize bvec table again */
+ do {
+ struct page *page = resync_fetch_page(rp, idx);
+ int len = min_t(int, size, PAGE_SIZE);
+
+ /*
+ * won't fail because the vec table is big
+ * enough to hold all these pages
+ */
+ bio_add_page(bio, page, len, 0);
+ size -= len;
+ } while (idx++ < RESYNC_PAGES && size > 0);
+}
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 3febfc8..f50958d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -81,14 +81,7 @@
#define raid1_log(md, fmt, args...) \
do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid1 " fmt, ##args); } while (0)
-/*
- * 'strct resync_pages' stores actual pages used for doing the resync
- * IO, and it is per-bio, so make .bi_private points to it.
- */
-static inline struct resync_pages *get_resync_pages(struct bio *bio)
-{
- return bio->bi_private;
-}
+#include "raid1-10.c"
/*
* for resync bio, r1bio pointer can be retrieved from the per-bio
@@ -170,7 +163,6 @@
resync_get_all_pages(rp);
}
- rp->idx = 0;
rp->raid_bio = r1_bio;
bio->bi_private = rp;
}
@@ -492,10 +484,6 @@
}
if (behind) {
- /* we release behind master bio when all write are done */
- if (r1_bio->behind_master_bio == bio)
- to_put = NULL;
-
if (test_bit(WriteMostly, &rdev->flags))
atomic_dec(&r1_bio->behind_remaining);
@@ -802,8 +790,7 @@
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
- bio->bi_status = BLK_STS_IOERR;
- bio_endio(bio);
+ bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
/* Just ignore it */
@@ -1088,7 +1075,7 @@
wake_up(&conf->wait_barrier);
}
-static struct bio *alloc_behind_master_bio(struct r1bio *r1_bio,
+static void alloc_behind_master_bio(struct r1bio *r1_bio,
struct bio *bio)
{
int size = bio->bi_iter.bi_size;
@@ -1098,11 +1085,13 @@
behind_bio = bio_alloc_mddev(GFP_NOIO, vcnt, r1_bio->mddev);
if (!behind_bio)
- goto fail;
+ return;
/* discard op, we don't support writezero/writesame yet */
- if (!bio_has_data(bio))
+ if (!bio_has_data(bio)) {
+ behind_bio->bi_iter.bi_size = size;
goto skip_copy;
+ }
while (i < vcnt && size) {
struct page *page;
@@ -1123,14 +1112,13 @@
r1_bio->behind_master_bio = behind_bio;;
set_bit(R1BIO_BehindIO, &r1_bio->state);
- return behind_bio;
+ return;
free_pages:
pr_debug("%dB behind alloc failed, doing sync I/O\n",
bio->bi_iter.bi_size);
bio_free_pages(behind_bio);
-fail:
- return behind_bio;
+ bio_put(behind_bio);
}
struct raid1_plug_cb {
@@ -1483,7 +1471,7 @@
(atomic_read(&bitmap->behind_writes)
< mddev->bitmap_info.max_write_behind) &&
!waitqueue_active(&bitmap->behind_wait)) {
- mbio = alloc_behind_master_bio(r1_bio, bio);
+ alloc_behind_master_bio(r1_bio, bio);
}
bitmap_startwrite(bitmap, r1_bio->sector,
@@ -1493,14 +1481,11 @@
first_clone = 0;
}
- if (!mbio) {
- if (r1_bio->behind_master_bio)
- mbio = bio_clone_fast(r1_bio->behind_master_bio,
- GFP_NOIO,
- mddev->bio_set);
- else
- mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set);
- }
+ if (r1_bio->behind_master_bio)
+ mbio = bio_clone_fast(r1_bio->behind_master_bio,
+ GFP_NOIO, mddev->bio_set);
+ else
+ mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set);
if (r1_bio->behind_master_bio) {
if (test_bit(WriteMostly, &conf->mirrors[i].rdev->flags))
@@ -2086,10 +2071,7 @@
/* Fix variable parts of all bios */
vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9);
for (i = 0; i < conf->raid_disks * 2; i++) {
- int j;
- int size;
blk_status_t status;
- struct bio_vec *bi;
struct bio *b = r1_bio->bios[i];
struct resync_pages *rp = get_resync_pages(b);
if (b->bi_end_io != end_sync_read)
@@ -2098,8 +2080,6 @@
status = b->bi_status;
bio_reset(b);
b->bi_status = status;
- b->bi_vcnt = vcnt;
- b->bi_iter.bi_size = r1_bio->sectors << 9;
b->bi_iter.bi_sector = r1_bio->sector +
conf->mirrors[i].rdev->data_offset;
b->bi_bdev = conf->mirrors[i].rdev->bdev;
@@ -2107,15 +2087,8 @@
rp->raid_bio = r1_bio;
b->bi_private = rp;
- size = b->bi_iter.bi_size;
- bio_for_each_segment_all(bi, b, j) {
- bi->bv_offset = 0;
- if (size > PAGE_SIZE)
- bi->bv_len = PAGE_SIZE;
- else
- bi->bv_len = size;
- size -= PAGE_SIZE;
- }
+ /* initialize bvec table again */
+ md_bio_reset_resync_pages(b, rp, r1_bio->sectors << 9);
}
for (primary = 0; primary < conf->raid_disks * 2; primary++)
if (r1_bio->bios[primary]->bi_end_io == end_sync_read &&
@@ -2366,8 +2339,6 @@
wbio = bio_clone_fast(r1_bio->behind_master_bio,
GFP_NOIO,
mddev->bio_set);
- /* We really need a _all clone */
- wbio->bi_iter = (struct bvec_iter){ 0 };
} else {
wbio = bio_clone_fast(r1_bio->master_bio, GFP_NOIO,
mddev->bio_set);
@@ -2619,6 +2590,7 @@
int good_sectors = RESYNC_SECTORS;
int min_bad = 0; /* number of sectors that are bad in all devices */
int idx = sector_to_idx(sector_nr);
+ int page_idx = 0;
if (!conf->r1buf_pool)
if (init_resync(conf))
@@ -2846,7 +2818,7 @@
bio = r1_bio->bios[i];
rp = get_resync_pages(bio);
if (bio->bi_end_io) {
- page = resync_fetch_page(rp, rp->idx++);
+ page = resync_fetch_page(rp, page_idx);
/*
* won't fail because the vec table is big
@@ -2858,7 +2830,7 @@
nr_sectors += len>>9;
sector_nr += len>>9;
sync_blocks -= (len>>9);
- } while (get_resync_pages(r1_bio->bios[disk]->bi_private)->idx < RESYNC_PAGES);
+ } while (++page_idx < RESYNC_PAGES);
r1_bio->sectors = nr_sectors;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5026e7a..f55d4cc 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -110,14 +110,7 @@
#define raid10_log(md, fmt, args...) \
do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid10 " fmt, ##args); } while (0)
-/*
- * 'strct resync_pages' stores actual pages used for doing the resync
- * IO, and it is per-bio, so make .bi_private points to it.
- */
-static inline struct resync_pages *get_resync_pages(struct bio *bio)
-{
- return bio->bi_private;
-}
+#include "raid1-10.c"
/*
* for resync bio, r10bio pointer can be retrieved from the per-bio
@@ -221,7 +214,6 @@
resync_get_all_pages(rp);
}
- rp->idx = 0;
rp->raid_bio = r10_bio;
bio->bi_private = rp;
if (rbio) {
@@ -913,8 +905,7 @@
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
- bio->bi_status = BLK_STS_IOERR;
- bio_endio(bio);
+ bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
/* Just ignore it */
@@ -1098,8 +1089,7 @@
bio->bi_next = NULL;
bio->bi_bdev = rdev->bdev;
if (test_bit(Faulty, &rdev->flags)) {
- bio->bi_status = BLK_STS_IOERR;
- bio_endio(bio);
+ bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
/* Just ignore it */
@@ -2087,8 +2077,8 @@
rp = get_resync_pages(tbio);
bio_reset(tbio);
- tbio->bi_vcnt = vcnt;
- tbio->bi_iter.bi_size = fbio->bi_iter.bi_size;
+ md_bio_reset_resync_pages(tbio, rp, fbio->bi_iter.bi_size);
+
rp->raid_bio = r10_bio;
tbio->bi_private = rp;
tbio->bi_iter.bi_sector = r10_bio->devs[i].addr;
@@ -2853,6 +2843,7 @@
sector_t sectors_skipped = 0;
int chunks_skipped = 0;
sector_t chunk_mask = conf->geo.chunk_mask;
+ int page_idx = 0;
if (!conf->r10buf_pool)
if (init_resync(conf))
@@ -3355,7 +3346,7 @@
break;
for (bio= biolist ; bio ; bio=bio->bi_next) {
struct resync_pages *rp = get_resync_pages(bio);
- page = resync_fetch_page(rp, rp->idx++);
+ page = resync_fetch_page(rp, page_idx);
/*
* won't fail because the vec table is big enough
* to hold all these pages
@@ -3364,7 +3355,7 @@
}
nr_sectors += len>>9;
sector_nr += len>>9;
- } while (get_resync_pages(biolist)->idx < RESYNC_PAGES);
+ } while (++page_idx < RESYNC_PAGES);
r10_bio->sectors = nr_sectors;
while (biolist) {
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index bfa1e90..2dcbafa 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -236,9 +236,10 @@
bool need_split_bio;
struct bio *split_bio;
- unsigned int has_flush:1; /* include flush request */
- unsigned int has_fua:1; /* include fua request */
- unsigned int has_null_flush:1; /* include empty flush request */
+ unsigned int has_flush:1; /* include flush request */
+ unsigned int has_fua:1; /* include fua request */
+ unsigned int has_null_flush:1; /* include null flush request */
+ unsigned int has_flush_payload:1; /* include flush payload */
/*
* io isn't sent yet, flush/fua request can only be submitted till it's
* the first IO in running_ios list
@@ -571,6 +572,8 @@
struct r5l_io_unit *io_deferred;
struct r5l_log *log = io->log;
unsigned long flags;
+ bool has_null_flush;
+ bool has_flush_payload;
if (bio->bi_status)
md_error(log->rdev->mddev, log->rdev);
@@ -580,6 +583,16 @@
spin_lock_irqsave(&log->io_list_lock, flags);
__r5l_set_io_unit_state(io, IO_UNIT_IO_END);
+
+ /*
+ * if the io doesn't not have null_flush or flush payload,
+ * it is not safe to access it after releasing io_list_lock.
+ * Therefore, it is necessary to check the condition with
+ * the lock held.
+ */
+ has_null_flush = io->has_null_flush;
+ has_flush_payload = io->has_flush_payload;
+
if (log->need_cache_flush && !list_empty(&io->stripe_list))
r5l_move_to_end_ios(log);
else
@@ -600,19 +613,23 @@
if (log->need_cache_flush)
md_wakeup_thread(log->rdev->mddev->thread);
- if (io->has_null_flush) {
+ /* finish flush only io_unit and PAYLOAD_FLUSH only io_unit */
+ if (has_null_flush) {
struct bio *bi;
WARN_ON(bio_list_empty(&io->flush_barriers));
while ((bi = bio_list_pop(&io->flush_barriers)) != NULL) {
bio_endio(bi);
- atomic_dec(&io->pending_stripe);
+ if (atomic_dec_and_test(&io->pending_stripe)) {
+ __r5l_stripe_write_finished(io);
+ return;
+ }
}
}
-
- /* finish flush only io_unit and PAYLOAD_FLUSH only io_unit */
- if (atomic_read(&io->pending_stripe) == 0)
- __r5l_stripe_write_finished(io);
+ /* decrease pending_stripe for flush payload */
+ if (has_flush_payload)
+ if (atomic_dec_and_test(&io->pending_stripe))
+ __r5l_stripe_write_finished(io);
}
static void r5l_do_submit_io(struct r5l_log *log, struct r5l_io_unit *io)
@@ -881,6 +898,11 @@
payload->size = cpu_to_le32(sizeof(__le64));
payload->flush_stripes[0] = cpu_to_le64(sect);
io->meta_offset += meta_size;
+ /* multiple flush payloads count as one pending_stripe */
+ if (!io->has_flush_payload) {
+ io->has_flush_payload = 1;
+ atomic_inc(&io->pending_stripe);
+ }
mutex_unlock(&log->io_mutex);
}
@@ -2540,23 +2562,32 @@
*/
int r5c_journal_mode_set(struct mddev *mddev, int mode)
{
- struct r5conf *conf = mddev->private;
- struct r5l_log *log = conf->log;
-
- if (!log)
- return -ENODEV;
+ struct r5conf *conf;
+ int err;
if (mode < R5C_JOURNAL_MODE_WRITE_THROUGH ||
mode > R5C_JOURNAL_MODE_WRITE_BACK)
return -EINVAL;
+ err = mddev_lock(mddev);
+ if (err)
+ return err;
+ conf = mddev->private;
+ if (!conf || !conf->log) {
+ mddev_unlock(mddev);
+ return -ENODEV;
+ }
+
if (raid5_calc_degraded(conf) > 0 &&
- mode == R5C_JOURNAL_MODE_WRITE_BACK)
+ mode == R5C_JOURNAL_MODE_WRITE_BACK) {
+ mddev_unlock(mddev);
return -EINVAL;
+ }
mddev_suspend(mddev);
conf->log->r5c_journal_mode = mode;
mddev_resume(mddev);
+ mddev_unlock(mddev);
pr_debug("md/raid:%s: setting r5c cache mode to %d: %s\n",
mdname(mddev), mode, r5c_journal_mode_str[mode]);
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 77cce35..44ad5ba 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -1150,7 +1150,7 @@
goto err;
}
- ppl_conf->bs = bioset_create(conf->raid_disks, 0, 0);
+ ppl_conf->bs = bioset_create(conf->raid_disks, 0, BIOSET_NEED_BVECS);
if (!ppl_conf->bs) {
ret = -ENOMEM;
goto err;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2ceb338..0fc2748 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3381,9 +3381,8 @@
sh->dev[i].sector + STRIPE_SECTORS) {
struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector);
- bi->bi_status = BLK_STS_IOERR;
md_write_end(conf->mddev);
- bio_endio(bi);
+ bio_io_error(bi);
bi = nextbi;
}
if (bitmap_end)
@@ -3403,9 +3402,8 @@
sh->dev[i].sector + STRIPE_SECTORS) {
struct bio *bi2 = r5_next_bio(bi, sh->dev[i].sector);
- bi->bi_status = BLK_STS_IOERR;
md_write_end(conf->mddev);
- bio_endio(bi);
+ bio_io_error(bi);
bi = bi2;
}
@@ -3429,8 +3427,7 @@
struct bio *nextbi =
r5_next_bio(bi, sh->dev[i].sector);
- bi->bi_status = BLK_STS_IOERR;
- bio_endio(bi);
+ bio_io_error(bi);
bi = nextbi;
}
}
@@ -6237,6 +6234,8 @@
pr_debug("%d stripes handled\n", handled);
spin_unlock_irq(&conf->device_lock);
+
+ async_tx_issue_pending_all();
blk_finish_plug(&plug);
pr_debug("--- raid5worker inactive\n");
@@ -7951,12 +7950,10 @@
{
if (!test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) {
- struct md_rdev *rdev;
spin_lock_irq(&conf->device_lock);
conf->previous_raid_disks = conf->raid_disks;
- rdev_for_each(rdev, conf->mddev)
- rdev->data_offset = rdev->new_data_offset;
+ md_finish_reshape(conf->mddev);
smp_wmb();
conf->reshape_progress = MaxSector;
conf->mddev->reshape_position = MaxSector;
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index bf45977..d596b60 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -559,7 +559,7 @@
void cec_transmit_attempt_done(struct cec_adapter *adap, u8 status)
{
- switch (status) {
+ switch (status & ~CEC_TX_STATUS_MAX_RETRIES) {
case CEC_TX_STATUS_OK:
cec_transmit_done(adap, status, 0, 0, 0, 0);
return;
diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c
index 74dc1c3..08b619d 100644
--- a/drivers/media/cec/cec-notifier.c
+++ b/drivers/media/cec/cec-notifier.c
@@ -87,6 +87,9 @@
void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
{
+ if (n == NULL)
+ return;
+
mutex_lock(&n->lock);
n->phys_addr = pa;
if (n->callback)
@@ -100,6 +103,9 @@
{
u16 pa = CEC_PHYS_ADDR_INVALID;
+ if (n == NULL)
+ return;
+
if (edid && edid->extensions)
pa = cec_get_edid_phys_addr((const u8 *)edid,
EDID_LENGTH * (edid->extensions + 1), NULL);
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c
index af694f2..17970cd 100644
--- a/drivers/media/dvb-core/dvb_ca_en50221.c
+++ b/drivers/media/dvb-core/dvb_ca_en50221.c
@@ -349,7 +349,8 @@
/* read the buffer size from the CAM */
if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN | CMDREG_SR)) != 0)
return ret;
- if ((ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ / 10)) != 0)
+ ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ);
+ if (ret != 0)
return ret;
if ((ret = dvb_ca_en50221_read_data(ca, slot, buf, 2)) != 2)
return -EIO;
@@ -644,74 +645,103 @@
}
buf_free = dvb_ringbuffer_free(&ca->slot_info[slot].rx_buffer);
- if (buf_free < (ca->slot_info[slot].link_buf_size + DVB_RINGBUFFER_PKTHDRSIZE)) {
+ if (buf_free < (ca->slot_info[slot].link_buf_size +
+ DVB_RINGBUFFER_PKTHDRSIZE)) {
status = -EAGAIN;
goto exit;
}
}
- /* check if there is data available */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0)
- goto exit;
- if (!(status & STATUSREG_DA)) {
- /* no data */
- status = 0;
- goto exit;
- }
-
- /* read the amount of data */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH)) < 0)
- goto exit;
- bytes_read = status << 8;
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW)) < 0)
- goto exit;
- bytes_read |= status;
-
- /* check it will fit */
- if (ebuf == NULL) {
- if (bytes_read > ca->slot_info[slot].link_buf_size) {
- pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n",
- ca->dvbdev->adapter->num, bytes_read,
- ca->slot_info[slot].link_buf_size);
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
- status = -EIO;
+ if (ca->pub->read_data &&
+ (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_LINKINIT)) {
+ if (ebuf == NULL)
+ status = ca->pub->read_data(ca->pub, slot, buf,
+ sizeof(buf));
+ else
+ status = ca->pub->read_data(ca->pub, slot, buf, ecount);
+ if (status < 0)
+ return status;
+ bytes_read = status;
+ if (status == 0)
goto exit;
- }
- if (bytes_read < 2) {
- pr_err("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n",
- ca->dvbdev->adapter->num);
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
- status = -EIO;
- goto exit;
- }
} else {
- if (bytes_read > ecount) {
- pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n",
- ca->dvbdev->adapter->num);
+
+ /* check if there is data available */
+ status = ca->pub->read_cam_control(ca->pub, slot,
+ CTRLIF_STATUS);
+ if (status < 0)
+ goto exit;
+ if (!(status & STATUSREG_DA)) {
+ /* no data */
+ status = 0;
+ goto exit;
+ }
+
+ /* read the amount of data */
+ status = ca->pub->read_cam_control(ca->pub, slot,
+ CTRLIF_SIZE_HIGH);
+ if (status < 0)
+ goto exit;
+ bytes_read = status << 8;
+ status = ca->pub->read_cam_control(ca->pub, slot,
+ CTRLIF_SIZE_LOW);
+ if (status < 0)
+ goto exit;
+ bytes_read |= status;
+
+ /* check it will fit */
+ if (ebuf == NULL) {
+ if (bytes_read > ca->slot_info[slot].link_buf_size) {
+ pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n",
+ ca->dvbdev->adapter->num, bytes_read,
+ ca->slot_info[slot].link_buf_size);
+ ca->slot_info[slot].slot_state =
+ DVB_CA_SLOTSTATE_LINKINIT;
+ status = -EIO;
+ goto exit;
+ }
+ if (bytes_read < 2) {
+ pr_err("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n",
+ ca->dvbdev->adapter->num);
+ ca->slot_info[slot].slot_state =
+ DVB_CA_SLOTSTATE_LINKINIT;
+ status = -EIO;
+ goto exit;
+ }
+ } else {
+ if (bytes_read > ecount) {
+ pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n",
+ ca->dvbdev->adapter->num);
+ status = -EIO;
+ goto exit;
+ }
+ }
+
+ /* fill the buffer */
+ for (i = 0; i < bytes_read; i++) {
+ /* read byte and check */
+ status = ca->pub->read_cam_control(ca->pub, slot,
+ CTRLIF_DATA);
+ if (status < 0)
+ goto exit;
+
+ /* OK, store it in the buffer */
+ buf[i] = status;
+ }
+
+ /* check for read error (RE should now be 0) */
+ status = ca->pub->read_cam_control(ca->pub, slot,
+ CTRLIF_STATUS);
+ if (status < 0)
+ goto exit;
+ if (status & STATUSREG_RE) {
+ ca->slot_info[slot].slot_state =
+ DVB_CA_SLOTSTATE_LINKINIT;
status = -EIO;
goto exit;
}
}
- /* fill the buffer */
- for (i = 0; i < bytes_read; i++) {
- /* read byte and check */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_DATA)) < 0)
- goto exit;
-
- /* OK, store it in the buffer */
- buf[i] = status;
- }
-
- /* check for read error (RE should now be 0) */
- if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0)
- goto exit;
- if (status & STATUSREG_RE) {
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT;
- status = -EIO;
- goto exit;
- }
-
/* OK, add it to the receive buffer, or copy into external buffer if supplied */
if (ebuf == NULL) {
if (ca->slot_info[slot].rx_buffer.data == NULL) {
@@ -762,6 +792,10 @@
if (bytes_write > ca->slot_info[slot].link_buf_size)
return -EINVAL;
+ if (ca->pub->write_data &&
+ (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_LINKINIT))
+ return ca->pub->write_data(ca->pub, slot, buf, bytes_write);
+
/* it is possible we are dealing with a single buffer implementation,
thus if there is data available for read or if there is even a read
already in progress, we do nothing but awake the kernel thread to
@@ -1176,7 +1210,8 @@
pr_err("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n",
ca->dvbdev->adapter->num);
- ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
+ ca->slot_info[slot].slot_state =
+ DVB_CA_SLOTSTATE_UNINITIALISED;
dvb_ca_en50221_thread_update_delay(ca);
break;
}
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.h b/drivers/media/dvb-core/dvb_ca_en50221.h
index 1e4bbbd..82617ba 100644
--- a/drivers/media/dvb-core/dvb_ca_en50221.h
+++ b/drivers/media/dvb-core/dvb_ca_en50221.h
@@ -41,6 +41,8 @@
* @write_attribute_mem: function for writing attribute memory on the CAM
* @read_cam_control: function for reading the control interface on the CAM
* @write_cam_control: function for reading the control interface on the CAM
+ * @read_data: function for reading data (block mode)
+ * @write_data: function for writing data (block mode)
* @slot_reset: function to reset the CAM slot
* @slot_shutdown: function to shutdown a CAM slot
* @slot_ts_enable: function to enable the Transport Stream on a CAM slot
@@ -66,6 +68,11 @@
int (*write_cam_control)(struct dvb_ca_en50221 *ca,
int slot, u8 address, u8 value);
+ int (*read_data)(struct dvb_ca_en50221 *ca,
+ int slot, u8 *ebuf, int ecount);
+ int (*write_data)(struct dvb_ca_en50221 *ca,
+ int slot, u8 *ebuf, int ecount);
+
int (*slot_reset)(struct dvb_ca_en50221 *ca, int slot);
int (*slot_shutdown)(struct dvb_ca_en50221 *ca, int slot);
int (*slot_ts_enable)(struct dvb_ca_en50221 *ca, int slot);
diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c
index 08f67d6..12bff77 100644
--- a/drivers/media/dvb-frontends/cxd2841er.c
+++ b/drivers/media/dvb-frontends/cxd2841er.c
@@ -3279,7 +3279,10 @@
else if (priv->state == STATE_ACTIVE_TC)
cxd2841er_read_status_tc(fe, &status);
- cxd2841er_read_signal_strength(fe);
+ if (priv->state == STATE_ACTIVE_TC || priv->state == STATE_ACTIVE_S)
+ cxd2841er_read_signal_strength(fe);
+ else
+ p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
if (status & FE_HAS_LOCK) {
cxd2841er_read_snr(fe);
diff --git a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
index 4442e47..cd69e18 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
+++ b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
@@ -307,7 +307,7 @@
* \def DRX_UNKNOWN
* \brief Generic UNKNOWN value for DRX enumerated types.
*
-* Used to indicate that the parameter value is unknown or not yet initalized.
+* Used to indicate that the parameter value is unknown or not yet initialized.
*/
#ifndef DRX_UNKNOWN
#define DRX_UNKNOWN (254)
@@ -450,19 +450,6 @@
((u8)((((u16)x)>>8)&0xFF))
/**
-* \brief Macro to sign extend signed 9 bit value to signed 16 bit value
-*/
-#define DRX_S9TOS16(x) ((((u16)x)&0x100) ? ((s16)((u16)(x)|0xFF00)) : (x))
-
-/**
-* \brief Macro to sign extend signed 9 bit value to signed 16 bit value
-*/
-#define DRX_S24TODRXFREQ(x) ((((u32) x) & 0x00800000UL) ? \
- ((s32) \
- (((u32) x) | 0xFF000000)) : \
- ((s32) x))
-
-/**
* \brief Macro to convert 16 bit register value to a s32
*/
#define DRX_U16TODRXFREQ(x) ((x & 0x8000) ? \
diff --git a/drivers/media/dvb-frontends/lnbh25.c b/drivers/media/dvb-frontends/lnbh25.c
index ef3021e..cb486e8 100644
--- a/drivers/media/dvb-frontends/lnbh25.c
+++ b/drivers/media/dvb-frontends/lnbh25.c
@@ -76,8 +76,8 @@
return ret;
}
}
- print_hex_dump_bytes("lnbh25_read_vmon: ",
- DUMP_PREFIX_OFFSET, status, sizeof(status));
+ dev_dbg(&priv->i2c->dev, "%s(): %*ph\n",
+ __func__, (int) sizeof(status), status);
if ((status[0] & (LNBH25_STATUS_OFL | LNBH25_STATUS_VMON)) != 0) {
dev_err(&priv->i2c->dev,
"%s(): voltage in failure state, status reg 0x%x\n",
@@ -178,7 +178,7 @@
fe->ops.release_sec = lnbh25_release;
fe->ops.set_voltage = lnbh25_set_voltage;
- dev_err(&i2c->dev, "%s(): attached at I2C addr 0x%02x\n",
+ dev_info(&i2c->dev, "%s(): attached at I2C addr 0x%02x\n",
__func__, priv->i2c_address);
return fe;
}
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index e726c2e..8ac0f59 100644
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -25,6 +25,8 @@
#include <linux/slab.h>
#include <linux/i2c.h>
+#include "dvb_math.h"
+
#include "stv0367.h"
#include "stv0367_defs.h"
#include "stv0367_regs.h"
@@ -1437,7 +1439,7 @@
return 0;
}
-static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr)
+static u32 stv0367ter_snr_readreg(struct dvb_frontend *fe)
{
struct stv0367_state *state = fe->demodulator_priv;
u32 snru32 = 0;
@@ -1453,10 +1455,16 @@
cpt++;
}
-
snru32 /= 10;/*average on 10 values*/
- *snr = snru32 / 1000;
+ return snru32;
+}
+
+static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ u32 snrval = stv0367ter_snr_readreg(fe);
+
+ *snr = snrval / 1000;
return 0;
}
@@ -1501,7 +1509,8 @@
*status = 0;
if (stv0367_readbits(state, F367TER_LK)) {
- *status |= FE_HAS_LOCK;
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI
+ | FE_HAS_SYNC | FE_HAS_LOCK;
dprintk("%s: stv0367 has locked\n", __func__);
}
@@ -2149,6 +2158,18 @@
*status = 0;
+ if (state->cab_state->state > FE_CAB_NOSIGNAL)
+ *status |= FE_HAS_SIGNAL;
+
+ if (state->cab_state->state > FE_CAB_NOCARRIER)
+ *status |= FE_HAS_CARRIER;
+
+ if (state->cab_state->state >= FE_CAB_DEMODOK)
+ *status |= FE_HAS_VITERBI;
+
+ if (state->cab_state->state >= FE_CAB_DATAOK)
+ *status |= FE_HAS_SYNC;
+
if (stv0367_readbits(state, (state->cab_state->qamfec_status_reg ?
state->cab_state->qamfec_status_reg : F367CAB_QAMFEC_LOCK))) {
*status |= FE_HAS_LOCK;
@@ -2702,51 +2723,61 @@
return 0;
}
-static int stv0367cab_read_snr(struct dvb_frontend *fe, u16 *snr)
+static int stv0367cab_snr_power(struct dvb_frontend *fe)
{
struct stv0367_state *state = fe->demodulator_priv;
- u32 noisepercentage;
enum stv0367cab_mod QAMSize;
- u32 regval = 0, temp = 0;
- int power, i;
QAMSize = stv0367_readbits(state, F367CAB_QAM_MODE);
switch (QAMSize) {
case FE_CAB_MOD_QAM4:
- power = 21904;
- break;
+ return 21904;
case FE_CAB_MOD_QAM16:
- power = 20480;
- break;
+ return 20480;
case FE_CAB_MOD_QAM32:
- power = 23040;
- break;
+ return 23040;
case FE_CAB_MOD_QAM64:
- power = 21504;
- break;
+ return 21504;
case FE_CAB_MOD_QAM128:
- power = 23616;
- break;
+ return 23616;
case FE_CAB_MOD_QAM256:
- power = 21760;
- break;
- case FE_CAB_MOD_QAM512:
- power = 1;
- break;
+ return 21760;
case FE_CAB_MOD_QAM1024:
- power = 21280;
- break;
+ return 21280;
default:
- power = 1;
break;
}
+ return 1;
+}
+
+static int stv0367cab_snr_readreg(struct dvb_frontend *fe, int avgdiv)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 regval = 0;
+ int i;
+
for (i = 0; i < 10; i++) {
regval += (stv0367_readbits(state, F367CAB_SNR_LO)
+ 256 * stv0367_readbits(state, F367CAB_SNR_HI));
}
- regval /= 10; /*for average over 10 times in for loop above*/
+ if (avgdiv)
+ regval /= 10;
+
+ return regval;
+}
+
+static int stv0367cab_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ u32 noisepercentage;
+ u32 regval = 0, temp = 0;
+ int power;
+
+ power = stv0367cab_snr_power(fe);
+ regval = stv0367cab_snr_readreg(fe, 1);
+
if (regval != 0) {
temp = power
* (1 << (3 + stv0367_readbits(state, F367CAB_SNR_PER)));
@@ -2980,21 +3011,117 @@
return -EINVAL;
}
+static void stv0367ddb_read_signal_strength(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ s32 signalstrength;
+
+ switch (state->activedemod) {
+ case demod_cab:
+ signalstrength = stv0367cab_get_rf_lvl(state) * 1000;
+ break;
+ default:
+ p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ p->strength.stat[0].uvalue = signalstrength;
+}
+
+static void stv0367ddb_read_snr(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ int cab_pwr;
+ u32 regval, tmpval, snrval = 0;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ snrval = stv0367ter_snr_readreg(fe);
+ break;
+ case demod_cab:
+ cab_pwr = stv0367cab_snr_power(fe);
+ regval = stv0367cab_snr_readreg(fe, 0);
+
+ /* prevent division by zero */
+ if (!regval) {
+ snrval = 0;
+ break;
+ }
+
+ tmpval = (cab_pwr * 320) / regval;
+ snrval = ((tmpval != 0) ? (intlog2(tmpval) / 5581) : 0);
+ break;
+ default:
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ p->cnr.stat[0].uvalue = snrval;
+}
+
+static void stv0367ddb_read_ucblocks(struct dvb_frontend *fe)
+{
+ struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u32 ucblocks = 0;
+
+ switch (state->activedemod) {
+ case demod_ter:
+ stv0367ter_read_ucblocks(fe, &ucblocks);
+ break;
+ case demod_cab:
+ stv0367cab_read_ucblcks(fe, &ucblocks);
+ break;
+ default:
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ return;
+ }
+
+ p->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ p->block_error.stat[0].uvalue = ucblocks;
+}
+
static int stv0367ddb_read_status(struct dvb_frontend *fe,
enum fe_status *status)
{
struct stv0367_state *state = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ int ret;
switch (state->activedemod) {
case demod_ter:
- return stv0367ter_read_status(fe, status);
- case demod_cab:
- return stv0367cab_read_status(fe, status);
- default:
+ ret = stv0367ter_read_status(fe, status);
break;
+ case demod_cab:
+ ret = stv0367cab_read_status(fe, status);
+ break;
+ default:
+ return 0;
}
- return -EINVAL;
+ /* stop and report on *_read_status failure */
+ if (ret)
+ return ret;
+
+ stv0367ddb_read_signal_strength(fe);
+
+ /* read carrier/noise when a carrier is detected */
+ if (*status & FE_HAS_CARRIER)
+ stv0367ddb_read_snr(fe);
+ else
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ /* read uncorrected blocks on FE_HAS_LOCK */
+ if (*status & FE_HAS_LOCK)
+ stv0367ddb_read_ucblocks(fe);
+ else
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+ return 0;
}
static int stv0367ddb_get_frontend(struct dvb_frontend *fe,
@@ -3035,6 +3162,7 @@
static int stv0367ddb_init(struct stv0367_state *state)
{
struct stv0367ter_state *ter_state = state->ter_state;
+ struct dtv_frontend_properties *p = &state->fe.dtv_property_cache;
stv0367_writereg(state, R367TER_TOPCTRL, 0x10);
@@ -3109,6 +3237,13 @@
ter_state->first_lock = 0;
ter_state->unlock_counter = 2;
+ p->strength.len = 1;
+ p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->cnr.len = 1;
+ p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ p->block_error.len = 1;
+ p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
return 0;
}
@@ -3126,15 +3261,12 @@
0x400 |/* FE_CAN_QAM_4 */
FE_CAN_QAM_16 | FE_CAN_QAM_32 |
FE_CAN_QAM_64 | FE_CAN_QAM_128 |
- FE_CAN_QAM_256 | FE_CAN_FEC_AUTO |
+ FE_CAN_QAM_256 | FE_CAN_QAM_AUTO |
/* DVB-T */
- FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
- FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
- FE_CAN_FEC_AUTO |
- FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
- FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO |
- FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
- FE_CAN_INVERSION_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_QPSK | FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_RECOVER | FE_CAN_INVERSION_AUTO |
FE_CAN_MUTE_TS
},
.release = stv0367_release,
diff --git a/drivers/media/i2c/et8ek8/et8ek8_driver.c b/drivers/media/i2c/et8ek8/et8ek8_driver.c
index 6e313d5..f39f517 100644
--- a/drivers/media/i2c/et8ek8/et8ek8_driver.c
+++ b/drivers/media/i2c/et8ek8/et8ek8_driver.c
@@ -1496,7 +1496,6 @@
static const struct dev_pm_ops et8ek8_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(et8ek8_suspend, et8ek8_resume)
};
-MODULE_DEVICE_TABLE(of, et8ek8_of_table);
static struct i2c_driver et8ek8_i2c_driver = {
.driver = {
diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
index 9da4bf4..7b79a74 100644
--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -659,7 +659,7 @@
struct tvp5150 *decoder = to_tvp5150(sd);
v4l2_std_id std = decoder->norm;
u8 reg;
- int pos=0;
+ int pos = 0;
if (std == V4L2_STD_ALL) {
dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
@@ -669,33 +669,30 @@
line += 3;
}
- if (line<6||line>27)
+ if (line < 6 || line > 27)
return 0;
- while (regs->reg != (u16)-1 ) {
+ while (regs->reg != (u16)-1) {
if ((type & regs->type.vbi_type) &&
- (line>=regs->type.ini_line) &&
- (line<=regs->type.end_line)) {
- type=regs->type.vbi_type;
+ (line >= regs->type.ini_line) &&
+ (line <= regs->type.end_line))
break;
- }
regs++;
pos++;
}
+
if (regs->reg == (u16)-1)
return 0;
- type=pos | (flags & 0xf0);
- reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
+ type = pos | (flags & 0xf0);
+ reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
- if (fields&1) {
+ if (fields & 1)
tvp5150_write(sd, reg, type);
- }
- if (fields&2) {
- tvp5150_write(sd, reg+1, type);
- }
+ if (fields & 2)
+ tvp5150_write(sd, reg + 1, type);
return type;
}
diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c
index 9420479..cd1723e 100644
--- a/drivers/media/pci/ddbridge/ddbridge-core.c
+++ b/drivers/media/pci/ddbridge/ddbridge-core.c
@@ -17,6 +17,8 @@
* http://www.gnu.org/copyleft/gpl.html
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -114,6 +116,19 @@
return i2c_write(adap, adr, msg, 2);
}
+static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr)
+{
+ u32 val = ddbreadl(adr);
+
+ /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */
+ if (val == ~0) {
+ dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr);
+ return 0;
+ }
+
+ return val;
+}
+
static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)
{
struct ddb *dev = i2c->dev;
@@ -124,10 +139,10 @@
ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND);
stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ);
if (stat == 0) {
- printk(KERN_ERR "I2C timeout\n");
+ dev_err(&dev->pdev->dev, "I2C timeout\n");
{ /* MSI debugging*/
u32 istat = ddbreadl(INTERRUPT_STATUS);
- printk(KERN_ERR "IRS %08x\n", istat);
+ dev_err(&dev->pdev->dev, "IRS %08x\n", istat);
ddbwritel(istat, INTERRUPT_ACK);
}
return -EIO;
@@ -533,7 +548,7 @@
off = (stat & 0x7ff) << 7;
if (ctrl & 4) {
- printk(KERN_ERR "IA %d %d %08x\n", idx, off, ctrl);
+ dev_err(&dev->pdev->dev, "IA %d %d %08x\n", idx, off, ctrl);
ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr));
return 0;
}
@@ -611,6 +626,7 @@
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
struct drxk_config config;
+ struct device *dev = &input->port->dev->pdev->dev;
memset(&config, 0, sizeof(config));
config.microcode_name = "drxk_a3.mc";
@@ -619,7 +635,7 @@
fe = input->fe = dvb_attach(drxk_attach, &config, i2c);
if (!input->fe) {
- printk(KERN_ERR "No DRXK found!\n");
+ dev_err(dev, "No DRXK found!\n");
return -ENODEV;
}
fe->sec_priv = input;
@@ -632,12 +648,13 @@
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
struct dvb_frontend *fe;
+ struct device *dev = &input->port->dev->pdev->dev;
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 1);
fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60);
if (!fe) {
- printk(KERN_ERR "No TDA18271 found!\n");
+ dev_err(dev, "No TDA18271 found!\n");
return -ENODEV;
}
if (input->fe->ops.i2c_gate_ctrl)
@@ -670,13 +687,14 @@
static int demod_attach_stv0367(struct ddb_input *input)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
/* attach frontend */
input->fe = dvb_attach(stv0367ddb_attach,
&ddb_stv0367_config[(input->nr & 1)], i2c);
if (!input->fe) {
- printk(KERN_ERR "stv0367ddb_attach failed (not found?)\n");
+ dev_err(dev, "stv0367ddb_attach failed (not found?)\n");
return -ENODEV;
}
@@ -690,17 +708,19 @@
static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr)
{
struct i2c_adapter *adapter = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
+
u8 tda_id[2];
u8 subaddr = 0x00;
- printk(KERN_DEBUG "stv0367-tda18212 tuner ping\n");
+ dev_dbg(dev, "stv0367-tda18212 tuner ping\n");
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 1);
if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
- printk(KERN_DEBUG "tda18212 ping 1 fail\n");
+ dev_dbg(dev, "tda18212 ping 1 fail\n");
if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0)
- printk(KERN_DEBUG "tda18212 ping 2 fail\n");
+ dev_warn(dev, "tda18212 ping failed, expect problems\n");
if (input->fe->ops.i2c_gate_ctrl)
input->fe->ops.i2c_gate_ctrl(input->fe, 0);
@@ -711,6 +731,7 @@
static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct cxd2841er_config cfg;
/* the cxd2841er driver expects 8bit/shifted I2C addresses */
@@ -728,7 +749,7 @@
input->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c);
if (!input->fe) {
- printk(KERN_ERR "No Sony CXD28xx found!\n");
+ dev_err(dev, "No Sony CXD28xx found!\n");
return -ENODEV;
}
@@ -742,6 +763,7 @@
static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype)
{
struct i2c_adapter *adapter = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct i2c_client *client;
struct tda18212_config config = {
.fe = input->fe,
@@ -786,7 +808,7 @@
return 0;
err:
- printk(KERN_INFO "TDA18212 tuner not found. Device is not fully operational.\n");
+ dev_warn(dev, "TDA18212 tuner not found. Device is not fully operational.\n");
return -ENODEV;
}
@@ -847,19 +869,20 @@
static int demod_attach_stv0900(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
input->fe = dvb_attach(stv090x_attach, feconf, i2c,
(input->nr & 1) ? STV090x_DEMODULATOR_1
: STV090x_DEMODULATOR_0);
if (!input->fe) {
- printk(KERN_ERR "No STV0900 found!\n");
+ dev_err(dev, "No STV0900 found!\n");
return -ENODEV;
}
if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0,
0, (input->nr & 1) ?
(0x09 - type) : (0x0b - type))) {
- printk(KERN_ERR "No LNBH24 found!\n");
+ dev_err(dev, "No LNBH24 found!\n");
return -ENODEV;
}
return 0;
@@ -868,6 +891,7 @@
static int tuner_attach_stv6110(struct ddb_input *input, int type)
{
struct i2c_adapter *i2c = &input->port->i2c->adap;
+ struct device *dev = &input->port->dev->pdev->dev;
struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900;
struct stv6110x_config *tunerconf = (input->nr & 1) ?
&stv6110b : &stv6110a;
@@ -875,10 +899,10 @@
ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c);
if (!ctl) {
- printk(KERN_ERR "No STV6110X found!\n");
+ dev_err(dev, "No STV6110X found!\n");
return -ENODEV;
}
- printk(KERN_INFO "attach tuner input %d adr %02x\n",
+ dev_info(dev, "attach tuner input %d adr %02x\n",
input->nr, tunerconf->addr);
feconf->tuner_init = ctl->tuner_init;
@@ -1009,13 +1033,14 @@
struct ddb_port *port = input->port;
struct dvb_adapter *adap = &input->adap;
struct dvb_demux *dvbdemux = &input->demux;
+ struct device *dev = &input->port->dev->pdev->dev;
int sony_osc24 = 0, sony_tspar = 0;
ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE,
&input->port->dev->pdev->dev,
adapter_nr);
if (ret < 0) {
- printk(KERN_ERR "ddbridge: Could not register adapter.Check if you enabled enough adapters in dvb-core!\n");
+ dev_err(dev, "Could not register adapter. Check if you enabled enough adapters in dvb-core!\n");
return ret;
}
input->attached = 1;
@@ -1241,9 +1266,9 @@
if (input->port->class == DDB_PORT_TUNER) {
if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))
- printk(KERN_ERR "Overflow input %d\n", input->nr);
+ dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr);
while (input->cbuf != ((input->stat >> 11) & 0x1f)
- || (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) {
+ || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) {
dvb_dmx_swfilter_packets(&input->demux,
input->vbuf[input->cbuf],
input->dma_buf_size / 188);
@@ -1280,6 +1305,7 @@
.adr = 0x40,
.polarity = 1,
.clock_mode = 1,
+ .max_i2c = 512,
};
static int ddb_ci_attach(struct ddb_port *port)
@@ -1310,6 +1336,7 @@
static int ddb_port_attach(struct ddb_port *port)
{
+ struct device *dev = &port->dev->pdev->dev;
int ret = 0;
switch (port->class) {
@@ -1326,7 +1353,7 @@
break;
}
if (ret < 0)
- printk(KERN_ERR "port_attach on port %d failed\n", port->nr);
+ dev_err(dev, "port_attach on port %d failed\n", port->nr);
return ret;
}
@@ -1377,6 +1404,7 @@
static int init_xo2(struct ddb_port *port)
{
struct i2c_adapter *i2c = &port->i2c->adap;
+ struct device *dev = &port->dev->pdev->dev;
u8 val, data[2];
int res;
@@ -1385,7 +1413,7 @@
return res;
if (data[0] != 0x01) {
- pr_info("Port %d: invalid XO2\n", port->nr);
+ dev_info(dev, "Port %d: invalid XO2\n", port->nr);
return -1;
}
@@ -1511,7 +1539,7 @@
port->class = DDB_PORT_CI;
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
} else if (port_has_xo2(port, &xo2_type, &xo2_id)) {
- printk(KERN_INFO "Port %d (TAB %d): XO2 type: %d, id: %d\n",
+ dev_dbg(&dev->pdev->dev, "Port %d (TAB %d): XO2 type: %d, id: %d\n",
port->nr, port->nr+1, xo2_type, xo2_id);
ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING);
@@ -1556,10 +1584,10 @@
}
break;
case DDB_XO2_TYPE_CI:
- printk(KERN_INFO "DuoFlex CI modules not supported\n");
+ dev_info(&dev->pdev->dev, "DuoFlex CI modules not supported\n");
break;
default:
- printk(KERN_INFO "Unknown XO2 DuoFlex module\n");
+ dev_info(&dev->pdev->dev, "Unknown XO2 DuoFlex module\n");
break;
}
} else if (port_has_cxd28xx(port, &cxd_id)) {
@@ -1611,7 +1639,7 @@
ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING);
}
- printk(KERN_INFO "Port %d (TAB %d): %s\n",
+ dev_info(&dev->pdev->dev, "Port %d (TAB %d): %s\n",
port->nr, port->nr+1, modname);
}
@@ -1765,7 +1793,7 @@
wbuf += 4;
wlen -= 4;
ddbwritel(data, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
}
@@ -1785,7 +1813,7 @@
if (shift)
data <<= shift;
ddbwritel(data, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
if (!rlen) {
@@ -1797,7 +1825,7 @@
while (rlen > 4) {
ddbwritel(0xffffffff, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
*(u32 *) rbuf = swab32(data);
@@ -1806,7 +1834,7 @@
}
ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL);
ddbwritel(0xffffffff, SPI_DATA);
- while (ddbreadl(SPI_CONTROL) & 0x0004)
+ while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004)
;
data = ddbreadl(SPI_DATA);
@@ -1993,7 +2021,7 @@
dev->pdev = pdev;
pci_set_drvdata(pdev, dev);
dev->info = (struct ddb_info *) id->driver_data;
- printk(KERN_INFO "DDBridge driver detected: %s\n", dev->info->name);
+ dev_info(&pdev->dev, "Detected %s\n", dev->info->name);
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
@@ -2001,13 +2029,13 @@
stat = -ENOMEM;
goto fail;
}
- printk(KERN_INFO "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
+ dev_info(&pdev->dev, "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4));
#ifdef CONFIG_PCI_MSI
if (pci_msi_enabled())
stat = pci_enable_msi(dev->pdev);
if (stat) {
- printk(KERN_INFO ": MSI not available.\n");
+ dev_info(&pdev->dev, "MSI not available.\n");
} else {
irq_flag = 0;
dev->msi = 1;
@@ -2040,7 +2068,7 @@
goto fail1;
ddb_ports_init(dev);
if (ddb_buffers_alloc(dev) < 0) {
- printk(KERN_INFO ": Could not allocate buffer memory\n");
+ dev_err(&pdev->dev, "Could not allocate buffer memory\n");
goto fail2;
}
if (ddb_ports_attach(dev) < 0)
@@ -2050,19 +2078,19 @@
fail3:
ddb_ports_detach(dev);
- printk(KERN_ERR "fail3\n");
+ dev_err(&pdev->dev, "fail3\n");
ddb_ports_release(dev);
fail2:
- printk(KERN_ERR "fail2\n");
+ dev_err(&pdev->dev, "fail2\n");
ddb_buffers_free(dev);
fail1:
- printk(KERN_ERR "fail1\n");
+ dev_err(&pdev->dev, "fail1\n");
if (dev->msi)
pci_disable_msi(dev->pdev);
if (stat == 0)
free_irq(dev->pdev->irq, dev);
fail:
- printk(KERN_ERR "fail\n");
+ dev_err(&pdev->dev, "fail\n");
ddb_unmap(dev);
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
@@ -2242,7 +2270,7 @@
{
int ret;
- printk(KERN_INFO "Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n");
+ pr_info("Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n");
ret = ddb_class_create();
if (ret < 0)
diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c
index ce69e64..8c92cb7 100644
--- a/drivers/media/pci/ngene/ngene-core.c
+++ b/drivers/media/pci/ngene/ngene-core.c
@@ -336,9 +336,9 @@
{
int result;
- down(&dev->cmd_mutex);
+ mutex_lock(&dev->cmd_mutex);
result = ngene_command_mutex(dev, com);
- up(&dev->cmd_mutex);
+ mutex_unlock(&dev->cmd_mutex);
return result;
}
@@ -560,7 +560,6 @@
u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700);
u16 BsSDO = 0x9B00;
- down(&dev->stream_mutex);
memset(&com, 0, sizeof(com));
com.cmd.hdr.Opcode = CMD_CONTROL;
com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2;
@@ -586,17 +585,13 @@
chan->State = KSSTATE_ACQUIRE;
chan->HWState = HWSTATE_STOP;
spin_unlock_irq(&chan->state_lock);
- if (ngene_command(dev, &com) < 0) {
- up(&dev->stream_mutex);
+ if (ngene_command(dev, &com) < 0)
return -1;
- }
/* clear_buffers(chan); */
flush_buffers(chan);
- up(&dev->stream_mutex);
return 0;
}
spin_unlock_irq(&chan->state_lock);
- up(&dev->stream_mutex);
return 0;
}
@@ -692,11 +687,9 @@
chan->HWState = HWSTATE_STARTUP;
spin_unlock_irq(&chan->state_lock);
- if (ngene_command(dev, &com) < 0) {
- up(&dev->stream_mutex);
+ if (ngene_command(dev, &com) < 0)
return -1;
- }
- up(&dev->stream_mutex);
+
return 0;
}
@@ -750,8 +743,11 @@
/* else printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
ngreadl(0x9310)); */
+ mutex_lock(&dev->stream_mutex);
ret = ngene_command_stream_control(dev, chan->number,
control, mode, flags);
+ mutex_unlock(&dev->stream_mutex);
+
if (!ret)
chan->running = state;
else
@@ -1283,7 +1279,7 @@
static void ngene_stop(struct ngene *dev)
{
- down(&dev->cmd_mutex);
+ mutex_destroy(&dev->cmd_mutex);
i2c_del_adapter(&(dev->channel[0].i2c_adapter));
i2c_del_adapter(&(dev->channel[1].i2c_adapter));
ngwritel(0, NGENE_INT_ENABLE);
@@ -1346,10 +1342,10 @@
init_waitqueue_head(&dev->cmd_wq);
init_waitqueue_head(&dev->tx_wq);
init_waitqueue_head(&dev->rx_wq);
- sema_init(&dev->cmd_mutex, 1);
- sema_init(&dev->stream_mutex, 1);
+ mutex_init(&dev->cmd_mutex);
+ mutex_init(&dev->stream_mutex);
sema_init(&dev->pll_mutex, 1);
- sema_init(&dev->i2c_switch_mutex, 1);
+ mutex_init(&dev->i2c_switch_mutex);
spin_lock_init(&dev->cmd_lock);
for (i = 0; i < MAX_STREAM; i++)
spin_lock_init(&dev->channel[i].state_lock);
@@ -1606,10 +1602,10 @@
com.in_len = 3;
com.out_len = 1;
- down(&dev->cmd_mutex);
+ mutex_lock(&dev->cmd_mutex);
ngwritel(0, NGENE_INT_ENABLE);
ngene_command_mutex(dev, &com);
- up(&dev->cmd_mutex);
+ mutex_unlock(&dev->cmd_mutex);
}
void ngene_shutdown(struct pci_dev *pdev)
diff --git a/drivers/media/pci/ngene/ngene-i2c.c b/drivers/media/pci/ngene/ngene-i2c.c
index cf39fcf..fbf3635 100644
--- a/drivers/media/pci/ngene/ngene-i2c.c
+++ b/drivers/media/pci/ngene/ngene-i2c.c
@@ -118,7 +118,7 @@
(struct ngene_channel *)i2c_get_adapdata(adapter);
struct ngene *dev = chan->dev;
- down(&dev->i2c_switch_mutex);
+ mutex_lock(&dev->i2c_switch_mutex);
ngene_i2c_set_bus(dev, chan->number);
if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD))
@@ -136,11 +136,11 @@
msg[0].buf, msg[0].len, 0))
goto done;
- up(&dev->i2c_switch_mutex);
+ mutex_unlock(&dev->i2c_switch_mutex);
return -EIO;
done:
- up(&dev->i2c_switch_mutex);
+ mutex_unlock(&dev->i2c_switch_mutex);
return num;
}
diff --git a/drivers/media/pci/ngene/ngene.h b/drivers/media/pci/ngene/ngene.h
index 10d8f74..7c7cd21 100644
--- a/drivers/media/pci/ngene/ngene.h
+++ b/drivers/media/pci/ngene/ngene.h
@@ -762,10 +762,10 @@
wait_queue_head_t cmd_wq;
int cmd_done;
- struct semaphore cmd_mutex;
- struct semaphore stream_mutex;
+ struct mutex cmd_mutex;
+ struct mutex stream_mutex;
struct semaphore pll_mutex;
- struct semaphore i2c_switch_mutex;
+ struct mutex i2c_switch_mutex;
int i2c_current_channel;
int i2c_current_bus;
spinlock_t cmd_lock;
diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c
index 2a044be..e7bd2b8 100644
--- a/drivers/media/pci/tw5864/tw5864-video.c
+++ b/drivers/media/pci/tw5864/tw5864-video.c
@@ -545,6 +545,7 @@
switch (input->std) {
default:
WARN_ON_ONCE(1);
+ return -EINVAL;
case STD_NTSC:
f->fmt.pix.height = 480;
break;
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 1313cd5..fb1fa0b 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -475,8 +475,8 @@
tristate "Qualcomm Venus V4L2 encoder/decoder driver"
depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA
depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
- select QCOM_MDT_LOADER if (ARM || ARM64)
- select QCOM_SCM if (ARM || ARM64)
+ select QCOM_MDT_LOADER if ARCH_QCOM
+ select QCOM_SCM if ARCH_QCOM
select VIDEOBUF2_DMA_SG
select V4L2_MEM2MEM_DEV
---help---
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 25cbf9e..bba1eb4 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -393,8 +393,8 @@
int ret;
int i;
- if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
- ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
+ if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
+ ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264) {
width = round_up(q_data->width, 16);
height = round_up(q_data->height, 16);
} else {
@@ -2198,7 +2198,7 @@
ctx->display_idx = display_idx;
}
-static void coda_error_decode(struct coda_ctx *ctx)
+static void coda_decode_timeout(struct coda_ctx *ctx)
{
struct vb2_v4l2_buffer *dst_buf;
@@ -2223,7 +2223,7 @@
.start_streaming = coda_start_decoding,
.prepare_run = coda_prepare_decode,
.finish_run = coda_finish_decode,
- .error_run = coda_error_decode,
+ .run_timeout = coda_decode_timeout,
.seq_end_work = coda_seq_end_work,
.release = coda_bit_release,
};
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index f92cc7d..829c789 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1164,8 +1164,8 @@
coda_hw_reset(ctx);
- if (ctx->ops->error_run)
- ctx->ops->error_run(ctx);
+ if (ctx->ops->run_timeout)
+ ctx->ops->run_timeout(ctx);
} else if (!ctx->aborting) {
ctx->ops->finish_run(ctx);
}
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 40fe22f..c5f504d 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -183,7 +183,7 @@
int (*start_streaming)(struct coda_ctx *ctx);
int (*prepare_run)(struct coda_ctx *ctx);
void (*finish_run)(struct coda_ctx *ctx);
- void (*error_run)(struct coda_ctx *ctx);
+ void (*run_timeout)(struct coda_ctx *ctx);
void (*seq_end_work)(struct work_struct *work);
void (*release)(struct coda_ctx *ctx);
};
diff --git a/drivers/media/platform/davinci/ccdc_hw_device.h b/drivers/media/platform/davinci/ccdc_hw_device.h
index 8f6688a..f1b5210 100644
--- a/drivers/media/platform/davinci/ccdc_hw_device.h
+++ b/drivers/media/platform/davinci/ccdc_hw_device.h
@@ -42,16 +42,6 @@
int (*set_hw_if_params) (struct vpfe_hw_if_param *param);
/* get interface parameters */
int (*get_hw_if_params) (struct vpfe_hw_if_param *param);
- /*
- * Pointer to function to set parameters. Used
- * for implementing VPFE_S_CCDC_PARAMS
- */
- int (*set_params) (void *params);
- /*
- * Pointer to function to get parameter. Used
- * for implementing VPFE_G_CCDC_PARAMS
- */
- int (*get_params) (void *params);
/* Pointer to function to configure ccdc */
int (*configure) (void);
diff --git a/drivers/media/platform/davinci/dm355_ccdc.c b/drivers/media/platform/davinci/dm355_ccdc.c
index 73db166..6d492dc 100644
--- a/drivers/media/platform/davinci/dm355_ccdc.c
+++ b/drivers/media/platform/davinci/dm355_ccdc.c
@@ -17,12 +17,7 @@
* This module is for configuring DM355 CCD controller of VPFE to capture
* Raw yuv or Bayer RGB data from a decoder. CCDC has several modules
* such as Defect Pixel Correction, Color Space Conversion etc to
- * pre-process the Bayer RGB data, before writing it to SDRAM. This
- * module also allows application to configure individual
- * module parameters through VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL.
- * To do so, application include dm355_ccdc.h and vpfe_capture.h header
- * files. The setparams() API is called by vpfe_capture driver
- * to configure module parameters
+ * pre-process the Bayer RGB data, before writing it to SDRAM.
*
* TODO: 1) Raw bayer parameter settings and bayer capture
* 2) Split module parameter structure to module specific ioctl structs
@@ -260,90 +255,6 @@
dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_setwin...");
}
-static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam)
-{
- if (ccdcparam->datasft < CCDC_DATA_NO_SHIFT ||
- ccdcparam->datasft > CCDC_DATA_SHIFT_6BIT) {
- dev_dbg(ccdc_cfg.dev, "Invalid value of data shift\n");
- return -EINVAL;
- }
-
- if (ccdcparam->mfilt1 < CCDC_NO_MEDIAN_FILTER1 ||
- ccdcparam->mfilt1 > CCDC_MEDIAN_FILTER1) {
- dev_dbg(ccdc_cfg.dev, "Invalid value of median filter1\n");
- return -EINVAL;
- }
-
- if (ccdcparam->mfilt2 < CCDC_NO_MEDIAN_FILTER2 ||
- ccdcparam->mfilt2 > CCDC_MEDIAN_FILTER2) {
- dev_dbg(ccdc_cfg.dev, "Invalid value of median filter2\n");
- return -EINVAL;
- }
-
- if ((ccdcparam->med_filt_thres < 0) ||
- (ccdcparam->med_filt_thres > CCDC_MED_FILT_THRESH)) {
- dev_dbg(ccdc_cfg.dev,
- "Invalid value of median filter threshold\n");
- return -EINVAL;
- }
-
- if (ccdcparam->data_sz < CCDC_DATA_16BITS ||
- ccdcparam->data_sz > CCDC_DATA_8BITS) {
- dev_dbg(ccdc_cfg.dev, "Invalid value of data size\n");
- return -EINVAL;
- }
-
- if (ccdcparam->alaw.enable) {
- if (ccdcparam->alaw.gamma_wd < CCDC_GAMMA_BITS_13_4 ||
- ccdcparam->alaw.gamma_wd > CCDC_GAMMA_BITS_09_0) {
- dev_dbg(ccdc_cfg.dev, "Invalid value of ALAW\n");
- return -EINVAL;
- }
- }
-
- if (ccdcparam->blk_clamp.b_clamp_enable) {
- if (ccdcparam->blk_clamp.sample_pixel < CCDC_SAMPLE_1PIXELS ||
- ccdcparam->blk_clamp.sample_pixel > CCDC_SAMPLE_16PIXELS) {
- dev_dbg(ccdc_cfg.dev,
- "Invalid value of sample pixel\n");
- return -EINVAL;
- }
- if (ccdcparam->blk_clamp.sample_ln < CCDC_SAMPLE_1LINES ||
- ccdcparam->blk_clamp.sample_ln > CCDC_SAMPLE_16LINES) {
- dev_dbg(ccdc_cfg.dev,
- "Invalid value of sample lines\n");
- return -EINVAL;
- }
- }
- return 0;
-}
-
-/* Parameter operations */
-static int ccdc_set_params(void __user *params)
-{
- struct ccdc_config_params_raw ccdc_raw_params;
- int x;
-
- /* only raw module parameters can be set through the IOCTL */
- if (ccdc_cfg.if_type != VPFE_RAW_BAYER)
- return -EINVAL;
-
- x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params));
- if (x) {
- dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying ccdcparams, %d\n",
- x);
- return -EFAULT;
- }
-
- if (!validate_ccdc_param(&ccdc_raw_params)) {
- memcpy(&ccdc_cfg.bayer.config_params,
- &ccdc_raw_params,
- sizeof(ccdc_raw_params));
- return 0;
- }
- return -EINVAL;
-}
-
/* This function will configure CCDC for YCbCr video capture */
static void ccdc_config_ycbcr(void)
{
@@ -939,7 +850,6 @@
.enable = ccdc_enable,
.enable_out_to_sdram = ccdc_enable_output_to_sdram,
.set_hw_if_params = ccdc_set_hw_if_params,
- .set_params = ccdc_set_params,
.configure = ccdc_configure,
.set_buftype = ccdc_set_buftype,
.get_buftype = ccdc_get_buftype,
diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c
index 740fbc7..3b2d8a9 100644
--- a/drivers/media/platform/davinci/dm644x_ccdc.c
+++ b/drivers/media/platform/davinci/dm644x_ccdc.c
@@ -17,13 +17,9 @@
* This module is for configuring CCD controller of DM6446 VPFE to capture
* Raw yuv or Bayer RGB data from a decoder. CCDC has several modules
* such as Defect Pixel Correction, Color Space Conversion etc to
- * pre-process the Raw Bayer RGB data, before writing it to SDRAM. This
- * module also allows application to configure individual
- * module parameters through VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL.
- * To do so, application includes dm644x_ccdc.h and vpfe_capture.h header
- * files. The setparams() API is called by vpfe_capture driver
- * to configure module parameters. This file is named DM644x so that other
- * variants such DM6443 may be supported using the same module.
+ * pre-process the Raw Bayer RGB data, before writing it to SDRAM.
+ * This file is named DM644x so that other variants such DM6443
+ * may be supported using the same module.
*
* TODO: Test Raw bayer parameter settings and bayer capture
* Split module parameter structure to module specific ioctl structs
@@ -216,96 +212,8 @@
dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_LINES...\n", val);
}
-static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam)
-{
- if (ccdcparam->alaw.enable) {
- u8 max_gamma = ccdc_gamma_width_max_bit(ccdcparam->alaw.gamma_wd);
- u8 max_data = ccdc_data_size_max_bit(ccdcparam->data_sz);
-
- if ((ccdcparam->alaw.gamma_wd > CCDC_GAMMA_BITS_09_0) ||
- (ccdcparam->alaw.gamma_wd < CCDC_GAMMA_BITS_15_6) ||
- (max_gamma > max_data)) {
- dev_dbg(ccdc_cfg.dev, "\nInvalid data line select");
- return -1;
- }
- }
- return 0;
-}
-
-static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params)
-{
- struct ccdc_config_params_raw *config_params =
- &ccdc_cfg.bayer.config_params;
- unsigned int *fpc_virtaddr = NULL;
- unsigned int *fpc_physaddr = NULL;
-
- memcpy(config_params, raw_params, sizeof(*raw_params));
- /*
- * allocate memory for fault pixel table and copy the user
- * values to the table
- */
- if (!config_params->fault_pxl.enable)
- return 0;
-
- fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr;
- fpc_virtaddr = (unsigned int *)phys_to_virt(
- (unsigned long)fpc_physaddr);
- /*
- * Allocate memory for FPC table if current
- * FPC table buffer is not big enough to
- * accommodate FPC Number requested
- */
- if (raw_params->fault_pxl.fp_num != config_params->fault_pxl.fp_num) {
- if (fpc_physaddr != NULL) {
- free_pages((unsigned long)fpc_virtaddr,
- get_order
- (config_params->fault_pxl.fp_num *
- FP_NUM_BYTES));
- }
-
- /* Allocate memory for FPC table */
- fpc_virtaddr =
- (unsigned int *)__get_free_pages(GFP_KERNEL | GFP_DMA,
- get_order(raw_params->
- fault_pxl.fp_num *
- FP_NUM_BYTES));
-
- if (fpc_virtaddr == NULL) {
- dev_dbg(ccdc_cfg.dev,
- "\nUnable to allocate memory for FPC");
- return -EFAULT;
- }
- fpc_physaddr =
- (unsigned int *)virt_to_phys((void *)fpc_virtaddr);
- }
-
- /* Copy number of fault pixels and FPC table */
- config_params->fault_pxl.fp_num = raw_params->fault_pxl.fp_num;
- if (copy_from_user(fpc_virtaddr,
- (void __user *)raw_params->fault_pxl.fpc_table_addr,
- config_params->fault_pxl.fp_num * FP_NUM_BYTES)) {
- dev_dbg(ccdc_cfg.dev, "\n copy_from_user failed");
- return -EFAULT;
- }
- config_params->fault_pxl.fpc_table_addr = (unsigned long)fpc_physaddr;
- return 0;
-}
-
static int ccdc_close(struct device *dev)
{
- struct ccdc_config_params_raw *config_params =
- &ccdc_cfg.bayer.config_params;
- unsigned int *fpc_physaddr = NULL, *fpc_virtaddr = NULL;
-
- fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr;
-
- if (fpc_physaddr != NULL) {
- fpc_virtaddr = (unsigned int *)
- phys_to_virt((unsigned long)fpc_physaddr);
- free_pages((unsigned long)fpc_virtaddr,
- get_order(config_params->fault_pxl.fp_num *
- FP_NUM_BYTES));
- }
return 0;
}
@@ -339,29 +247,6 @@
vpss_clear_wbl_overflow(VPSS_PCR_CCDC_WBL_O);
}
-/* Parameter operations */
-static int ccdc_set_params(void __user *params)
-{
- struct ccdc_config_params_raw ccdc_raw_params;
- int x;
-
- if (ccdc_cfg.if_type != VPFE_RAW_BAYER)
- return -EINVAL;
-
- x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params));
- if (x) {
- dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copyingccdc params, %d\n",
- x);
- return -EFAULT;
- }
-
- if (!validate_ccdc_param(&ccdc_raw_params)) {
- if (!ccdc_update_raw_params(&ccdc_raw_params))
- return 0;
- }
- return -EINVAL;
-}
-
/*
* ccdc_config_ycbcr()
* This function will configure CCDC for YCbCr video capture
@@ -489,32 +374,6 @@
regw(val, CCDC_BLKCMP);
}
-static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc)
-{
- u32 val;
-
- /* Initially disable FPC */
- val = CCDC_FPC_DISABLE;
- regw(val, CCDC_FPC);
-
- if (!fpc->enable)
- return;
-
- /* Configure Fault pixel if needed */
- regw(fpc->fpc_table_addr, CCDC_FPC_ADDR);
- dev_dbg(ccdc_cfg.dev, "\nWriting 0x%lx to FPC_ADDR...\n",
- (fpc->fpc_table_addr));
- /* Write the FPC params with FPC disable */
- val = fpc->fp_num & CCDC_FPC_FPC_NUM_MASK;
- regw(val, CCDC_FPC);
-
- dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val);
- /* read the FPC register */
- val = regr(CCDC_FPC) | CCDC_FPC_ENABLE;
- regw(val, CCDC_FPC);
- dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val);
-}
-
/*
* ccdc_config_raw()
* This function will configure CCDC for Raw capture mode
@@ -569,9 +428,6 @@
/* Configure Black level compensation */
ccdc_config_black_compense(&config_params->blk_comp);
- /* Configure Fault Pixel Correction */
- ccdc_config_fpc(&config_params->fault_pxl);
-
/* If data size is 8 bit then pack the data */
if ((config_params->data_sz == CCDC_DATA_8BITS) ||
config_params->alaw.enable)
@@ -929,7 +785,6 @@
.reset = ccdc_sbl_reset,
.enable = ccdc_enable,
.set_hw_if_params = ccdc_set_hw_if_params,
- .set_params = ccdc_set_params,
.configure = ccdc_configure,
.set_buftype = ccdc_set_buftype,
.get_buftype = ccdc_get_buftype,
diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c
index e3fe3e0..b1bf4a7 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -281,45 +281,6 @@
EXPORT_SYMBOL(vpfe_unregister_ccdc_device);
/*
- * vpfe_get_ccdc_image_format - Get image parameters based on CCDC settings
- */
-static int vpfe_get_ccdc_image_format(struct vpfe_device *vpfe_dev,
- struct v4l2_format *f)
-{
- struct v4l2_rect image_win;
- enum ccdc_buftype buf_type;
- enum ccdc_frmfmt frm_fmt;
-
- memset(f, 0, sizeof(*f));
- f->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
- ccdc_dev->hw_ops.get_image_window(&image_win);
- f->fmt.pix.width = image_win.width;
- f->fmt.pix.height = image_win.height;
- f->fmt.pix.bytesperline = ccdc_dev->hw_ops.get_line_length();
- f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
- f->fmt.pix.height;
- buf_type = ccdc_dev->hw_ops.get_buftype();
- f->fmt.pix.pixelformat = ccdc_dev->hw_ops.get_pixel_format();
- frm_fmt = ccdc_dev->hw_ops.get_frame_format();
- if (frm_fmt == CCDC_FRMFMT_PROGRESSIVE)
- f->fmt.pix.field = V4L2_FIELD_NONE;
- else if (frm_fmt == CCDC_FRMFMT_INTERLACED) {
- if (buf_type == CCDC_BUFTYPE_FLD_INTERLEAVED)
- f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- else if (buf_type == CCDC_BUFTYPE_FLD_SEPARATED)
- f->fmt.pix.field = V4L2_FIELD_SEQ_TB;
- else {
- v4l2_err(&vpfe_dev->v4l2_dev, "Invalid buf_type\n");
- return -EINVAL;
- }
- } else {
- v4l2_err(&vpfe_dev->v4l2_dev, "Invalid frm_fmt\n");
- return -EINVAL;
- }
- return 0;
-}
-
-/*
* vpfe_config_ccdc_image_format()
* For a pix format, configure ccdc to setup the capture
*/
@@ -1697,59 +1658,6 @@
return ret;
}
-
-static long vpfe_param_handler(struct file *file, void *priv,
- bool valid_prio, unsigned int cmd, void *param)
-{
- struct vpfe_device *vpfe_dev = video_drvdata(file);
- int ret;
-
- v4l2_dbg(2, debug, &vpfe_dev->v4l2_dev, "vpfe_param_handler\n");
-
- if (vpfe_dev->started) {
- /* only allowed if streaming is not started */
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "device already started\n");
- return -EBUSY;
- }
-
- ret = mutex_lock_interruptible(&vpfe_dev->lock);
- if (ret)
- return ret;
-
- switch (cmd) {
- case VPFE_CMD_S_CCDC_RAW_PARAMS:
- v4l2_warn(&vpfe_dev->v4l2_dev,
- "VPFE_CMD_S_CCDC_RAW_PARAMS: experimental ioctl\n");
- if (ccdc_dev->hw_ops.set_params) {
- ret = ccdc_dev->hw_ops.set_params(param);
- if (ret) {
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "Error setting parameters in CCDC\n");
- goto unlock_out;
- }
- ret = vpfe_get_ccdc_image_format(vpfe_dev,
- &vpfe_dev->fmt);
- if (ret < 0) {
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "Invalid image format at CCDC\n");
- goto unlock_out;
- }
- } else {
- ret = -EINVAL;
- v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
- "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n");
- }
- break;
- default:
- ret = -ENOTTY;
- }
-unlock_out:
- mutex_unlock(&vpfe_dev->lock);
- return ret;
-}
-
-
/* vpfe capture ioctl operations */
static const struct v4l2_ioctl_ops vpfe_ioctl_ops = {
.vidioc_querycap = vpfe_querycap,
@@ -1772,7 +1680,6 @@
.vidioc_cropcap = vpfe_cropcap,
.vidioc_g_selection = vpfe_g_selection,
.vidioc_s_selection = vpfe_s_selection,
- .vidioc_default = vpfe_param_handler,
};
static struct vpfe_device *vpfe_initialize(void)
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index d78580f..4be6554 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -1719,7 +1719,6 @@
*/
static int vpif_remove(struct platform_device *device)
{
- struct common_obj *common;
struct channel_obj *ch;
int i;
@@ -1730,7 +1729,6 @@
for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) {
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
- common = &ch->common[VPIF_VIDEO_INDEX];
/* Unregister video device */
video_unregister_device(&ch->video_dev);
kfree(vpif_obj.dev[i]);
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index b5ac6ce..bf982bf 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -1339,7 +1339,6 @@
*/
static int vpif_remove(struct platform_device *device)
{
- struct common_obj *common;
struct channel_obj *ch;
int i;
@@ -1350,7 +1349,6 @@
for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
- common = &ch->common[VPIF_VIDEO_INDEX];
/* Unregister video device */
video_unregister_device(&ch->video_dev);
kfree(vpif_obj.dev[i]);
diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c
index 92c4e18..45a553d 100644
--- a/drivers/media/platform/omap/omap_vout_vrfb.c
+++ b/drivers/media/platform/omap/omap_vout_vrfb.c
@@ -16,7 +16,6 @@
#include <media/videobuf-dma-contig.h>
#include <media/v4l2-device.h>
-#include <linux/omap-dma.h>
#include <video/omapvrfb.h>
#include "omap_voutdef.h"
@@ -63,7 +62,7 @@
/*
* Wakes up the application once the DMA transfer to VRFB space is completed.
*/
-static void omap_vout_vrfb_dma_tx_callback(int lch, u16 ch_status, void *data)
+static void omap_vout_vrfb_dma_tx_callback(void *data)
{
struct vid_vrfb_dma *t = (struct vid_vrfb_dma *) data;
@@ -94,6 +93,7 @@
int ret = 0, i, j;
struct omap_vout_device *vout;
struct video_device *vfd;
+ dma_cap_mask_t mask;
int image_width, image_height;
int vrfb_num_bufs = VRFB_NUM_BUFS;
struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
@@ -131,18 +131,27 @@
/*
* Request and Initialize DMA, for DMA based VRFB transfer
*/
- vout->vrfb_dma_tx.dev_id = OMAP_DMA_NO_DEVICE;
- vout->vrfb_dma_tx.dma_ch = -1;
- vout->vrfb_dma_tx.req_status = DMA_CHAN_ALLOTED;
- ret = omap_request_dma(vout->vrfb_dma_tx.dev_id, "VRFB DMA TX",
- omap_vout_vrfb_dma_tx_callback,
- (void *) &vout->vrfb_dma_tx, &vout->vrfb_dma_tx.dma_ch);
- if (ret < 0) {
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_INTERLEAVE, mask);
+ vout->vrfb_dma_tx.chan = dma_request_chan_by_mask(&mask);
+ if (IS_ERR(vout->vrfb_dma_tx.chan)) {
vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
+ } else {
+ size_t xt_size = sizeof(struct dma_interleaved_template) +
+ sizeof(struct data_chunk);
+
+ vout->vrfb_dma_tx.xt = kzalloc(xt_size, GFP_KERNEL);
+ if (!vout->vrfb_dma_tx.xt) {
+ dma_release_channel(vout->vrfb_dma_tx.chan);
+ vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
+ }
+ }
+
+ if (vout->vrfb_dma_tx.req_status == DMA_CHAN_NOT_ALLOTED)
dev_info(&pdev->dev,
": failed to allocate DMA Channel for video%d\n",
vfd->minor);
- }
+
init_waitqueue_head(&vout->vrfb_dma_tx.wait);
/* statically allocated the VRFB buffer is done through
@@ -177,7 +186,9 @@
if (vout->vrfb_dma_tx.req_status == DMA_CHAN_ALLOTED) {
vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED;
- omap_free_dma(vout->vrfb_dma_tx.dma_ch);
+ kfree(vout->vrfb_dma_tx.xt);
+ dmaengine_terminate_sync(vout->vrfb_dma_tx.chan);
+ dma_release_channel(vout->vrfb_dma_tx.chan);
}
}
@@ -219,70 +230,84 @@
}
int omap_vout_prepare_vrfb(struct omap_vout_device *vout,
- struct videobuf_buffer *vb)
+ struct videobuf_buffer *vb)
{
- dma_addr_t dmabuf;
- struct vid_vrfb_dma *tx;
+ struct dma_async_tx_descriptor *tx;
+ enum dma_ctrl_flags flags;
+ struct dma_chan *chan = vout->vrfb_dma_tx.chan;
+ struct dma_device *dmadev = chan->device;
+ struct dma_interleaved_template *xt = vout->vrfb_dma_tx.xt;
+ dma_cookie_t cookie;
+ enum dma_status status;
enum dss_rotation rotation;
- u32 dest_frame_index = 0, src_element_index = 0;
- u32 dest_element_index = 0, src_frame_index = 0;
- u32 elem_count = 0, frame_count = 0, pixsize = 2;
+ size_t dst_icg;
+ u32 pixsize;
if (!is_rotation_enabled(vout))
return 0;
- dmabuf = vout->buf_phy_addr[vb->i];
/* If rotation is enabled, copy input buffer into VRFB
* memory space using DMA. We are copying input buffer
* into VRFB memory space of desired angle and DSS will
* read image VRFB memory for 0 degree angle
*/
+
pixsize = vout->bpp * vout->vrfb_bpp;
- /*
- * DMA transfer in double index mode
- */
+ dst_icg = ((MAX_PIXELS_PER_LINE * pixsize) -
+ (vout->pix.width * vout->bpp)) + 1;
- /* Frame index */
- dest_frame_index = ((MAX_PIXELS_PER_LINE * pixsize) -
- (vout->pix.width * vout->bpp)) + 1;
+ xt->src_start = vout->buf_phy_addr[vb->i];
+ xt->dst_start = vout->vrfb_context[vb->i].paddr[0];
- /* Source and destination parameters */
- src_element_index = 0;
- src_frame_index = 0;
- dest_element_index = 1;
- /* Number of elements per frame */
- elem_count = vout->pix.width * vout->bpp;
- frame_count = vout->pix.height;
- tx = &vout->vrfb_dma_tx;
- tx->tx_status = 0;
- omap_set_dma_transfer_params(tx->dma_ch, OMAP_DMA_DATA_TYPE_S32,
- (elem_count / 4), frame_count, OMAP_DMA_SYNC_ELEMENT,
- tx->dev_id, 0x0);
- /* src_port required only for OMAP1 */
- omap_set_dma_src_params(tx->dma_ch, 0, OMAP_DMA_AMODE_POST_INC,
- dmabuf, src_element_index, src_frame_index);
- /*set dma source burst mode for VRFB */
- omap_set_dma_src_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16);
- rotation = calc_rotation(vout);
+ xt->numf = vout->pix.height;
+ xt->frame_size = 1;
+ xt->sgl[0].size = vout->pix.width * vout->bpp;
+ xt->sgl[0].icg = dst_icg;
- /* dest_port required only for OMAP1 */
- omap_set_dma_dest_params(tx->dma_ch, 0, OMAP_DMA_AMODE_DOUBLE_IDX,
- vout->vrfb_context[vb->i].paddr[0], dest_element_index,
- dest_frame_index);
- /*set dma dest burst mode for VRFB */
- omap_set_dma_dest_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16);
- omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, 0x20, 0);
+ xt->dir = DMA_MEM_TO_MEM;
+ xt->src_sgl = false;
+ xt->src_inc = true;
+ xt->dst_sgl = true;
+ xt->dst_inc = true;
- omap_start_dma(tx->dma_ch);
- wait_event_interruptible_timeout(tx->wait, tx->tx_status == 1,
- VRFB_TX_TIMEOUT);
-
- if (tx->tx_status == 0) {
- omap_stop_dma(tx->dma_ch);
+ tx = dmadev->device_prep_interleaved_dma(chan, xt, flags);
+ if (tx == NULL) {
+ pr_err("%s: DMA interleaved prep error\n", __func__);
return -EINVAL;
}
+
+ tx->callback = omap_vout_vrfb_dma_tx_callback;
+ tx->callback_param = &vout->vrfb_dma_tx;
+
+ cookie = dmaengine_submit(tx);
+ if (dma_submit_error(cookie)) {
+ pr_err("%s: dmaengine_submit failed (%d)\n", __func__, cookie);
+ return -EINVAL;
+ }
+
+ vout->vrfb_dma_tx.tx_status = 0;
+ dma_async_issue_pending(chan);
+
+ wait_event_interruptible_timeout(vout->vrfb_dma_tx.wait,
+ vout->vrfb_dma_tx.tx_status == 1,
+ VRFB_TX_TIMEOUT);
+
+ status = dma_async_is_tx_complete(chan, cookie, NULL, NULL);
+
+ if (vout->vrfb_dma_tx.tx_status == 0) {
+ pr_err("%s: Timeout while waiting for DMA\n", __func__);
+ dmaengine_terminate_sync(chan);
+ return -EINVAL;
+ } else if (status != DMA_COMPLETE) {
+ pr_err("%s: DMA completion %s status\n", __func__,
+ status == DMA_ERROR ? "error" : "busy");
+ dmaengine_terminate_sync(chan);
+ return -EINVAL;
+ }
+
/* Store buffers physical address into an array. Addresses
* from this array will be used to configure DSS */
+ rotation = calc_rotation(vout);
vout->queued_buf_addr[vb->i] = (u8 *)
vout->vrfb_context[vb->i].paddr[rotation];
return 0;
diff --git a/drivers/media/platform/omap/omap_voutdef.h b/drivers/media/platform/omap/omap_voutdef.h
index 80c79fa..56b630b 100644
--- a/drivers/media/platform/omap/omap_voutdef.h
+++ b/drivers/media/platform/omap/omap_voutdef.h
@@ -14,6 +14,7 @@
#include <media/v4l2-ctrls.h>
#include <video/omapfb_dss.h>
#include <video/omapvrfb.h>
+#include <linux/dmaengine.h>
#define YUYV_BPP 2
#define RGB565_BPP 2
@@ -81,8 +82,9 @@
* for VRFB hidden buffer
*/
struct vid_vrfb_dma {
- int dev_id;
- int dma_ch;
+ struct dma_chan *chan;
+ struct dma_interleaved_template *xt;
+
int req_status;
int tx_status;
wait_queue_head_t wait;
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 776d2ba..41eef37 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -76,7 +76,7 @@
hfi_core_deinit(core, true);
hfi_destroy(core);
mutex_lock(&core->lock);
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(core->dev);
pm_runtime_put_sync(core->dev);
@@ -84,7 +84,7 @@
pm_runtime_get_sync(core->dev);
- ret |= venus_boot(core->dev, &core->dev_fw, core->res->fwname);
+ ret |= venus_boot(core->dev, core->res->fwname);
ret |= hfi_core_resume(core, true);
@@ -137,7 +137,7 @@
return 0;
err:
- while (--i)
+ while (i--)
clk_disable_unprepare(core->clks[i]);
return ret;
@@ -207,7 +207,7 @@
if (ret < 0)
goto err_runtime_disable;
- ret = venus_boot(dev, &core->dev_fw, core->res->fwname);
+ ret = venus_boot(dev, core->res->fwname);
if (ret)
goto err_runtime_disable;
@@ -238,7 +238,7 @@
err_core_deinit:
hfi_core_deinit(core, false);
err_venus_shutdown:
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(dev);
err_runtime_disable:
pm_runtime_set_suspended(dev);
pm_runtime_disable(dev);
@@ -259,7 +259,7 @@
WARN_ON(ret);
hfi_destroy(core);
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(dev);
of_platform_depopulate(dev);
pm_runtime_put_sync(dev);
@@ -270,8 +270,7 @@
return ret;
}
-#ifdef CONFIG_PM
-static int venus_runtime_suspend(struct device *dev)
+static __maybe_unused int venus_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
@@ -283,7 +282,7 @@
return ret;
}
-static int venus_runtime_resume(struct device *dev)
+static __maybe_unused int venus_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
@@ -302,7 +301,6 @@
venus_clks_disable(core);
return ret;
}
-#endif
static const struct dev_pm_ops venus_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index e542700..cba092b 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -101,7 +101,6 @@
struct device *dev;
struct device *dev_dec;
struct device *dev_enc;
- struct device dev_fw;
struct mutex lock;
struct list_head instances;
atomic_t insts_count;
diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index 1b1a4f3..521d4b3 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -12,97 +12,87 @@
*
*/
-#include <linux/dma-mapping.h>
+#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/kernel.h>
+#include <linux/io.h>
#include <linux/of.h>
-#include <linux/of_reserved_mem.h>
-#include <linux/slab.h>
+#include <linux/of_address.h>
#include <linux/qcom_scm.h>
+#include <linux/sizes.h>
#include <linux/soc/qcom/mdt_loader.h>
#include "firmware.h"
#define VENUS_PAS_ID 9
-#define VENUS_FW_MEM_SIZE SZ_8M
+#define VENUS_FW_MEM_SIZE (6 * SZ_1M)
-static void device_release_dummy(struct device *dev)
-{
- of_reserved_mem_device_release(dev);
-}
-
-int venus_boot(struct device *parent, struct device *fw_dev, const char *fwname)
+int venus_boot(struct device *dev, const char *fwname)
{
const struct firmware *mdt;
+ struct device_node *node;
phys_addr_t mem_phys;
+ struct resource r;
ssize_t fw_size;
size_t mem_size;
void *mem_va;
int ret;
- if (!qcom_scm_is_available())
+ if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || !qcom_scm_is_available())
return -EPROBE_DEFER;
- fw_dev->parent = parent;
- fw_dev->release = device_release_dummy;
-
- ret = dev_set_name(fw_dev, "%s:%s", dev_name(parent), "firmware");
- if (ret)
- return ret;
-
- ret = device_register(fw_dev);
- if (ret < 0)
- return ret;
-
- ret = of_reserved_mem_device_init_by_idx(fw_dev, parent->of_node, 0);
- if (ret)
- goto err_unreg_device;
-
- mem_size = VENUS_FW_MEM_SIZE;
-
- mem_va = dmam_alloc_coherent(fw_dev, mem_size, &mem_phys, GFP_KERNEL);
- if (!mem_va) {
- ret = -ENOMEM;
- goto err_unreg_device;
+ node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (!node) {
+ dev_err(dev, "no memory-region specified\n");
+ return -EINVAL;
}
- ret = request_firmware(&mdt, fwname, fw_dev);
+ ret = of_address_to_resource(node, 0, &r);
+ if (ret)
+ return ret;
+
+ mem_phys = r.start;
+ mem_size = resource_size(&r);
+
+ if (mem_size < VENUS_FW_MEM_SIZE)
+ return -EINVAL;
+
+ mem_va = memremap(r.start, mem_size, MEMREMAP_WC);
+ if (!mem_va) {
+ dev_err(dev, "unable to map memory region: %pa+%zx\n",
+ &r.start, mem_size);
+ return -ENOMEM;
+ }
+
+ ret = request_firmware(&mdt, fwname, dev);
if (ret < 0)
- goto err_unreg_device;
+ goto err_unmap;
fw_size = qcom_mdt_get_size(mdt);
if (fw_size < 0) {
ret = fw_size;
release_firmware(mdt);
- goto err_unreg_device;
+ goto err_unmap;
}
- ret = qcom_mdt_load(fw_dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys,
+ ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys,
mem_size);
release_firmware(mdt);
if (ret)
- goto err_unreg_device;
+ goto err_unmap;
ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID);
if (ret)
- goto err_unreg_device;
+ goto err_unmap;
- return 0;
-
-err_unreg_device:
- device_unregister(fw_dev);
+err_unmap:
+ memunmap(mem_va);
return ret;
}
-int venus_shutdown(struct device *fw_dev)
+int venus_shutdown(struct device *dev)
{
- int ret;
-
- ret = qcom_scm_pas_shutdown(VENUS_PAS_ID);
- device_unregister(fw_dev);
- memset(fw_dev, 0, sizeof(*fw_dev));
-
- return ret;
+ return qcom_scm_pas_shutdown(VENUS_PAS_ID);
}
diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h
index f81a989..428efb5 100644
--- a/drivers/media/platform/qcom/venus/firmware.h
+++ b/drivers/media/platform/qcom/venus/firmware.h
@@ -16,8 +16,7 @@
struct device;
-int venus_boot(struct device *parent, struct device *fw_dev,
- const char *fwname);
-int venus_shutdown(struct device *fw_dev);
+int venus_boot(struct device *dev, const char *fwname);
+int venus_shutdown(struct device *dev);
#endif
diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
index f884171..a681ae5 100644
--- a/drivers/media/platform/qcom/venus/hfi_msgs.c
+++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
@@ -239,11 +239,12 @@
break;
}
- if (!error) {
- rem_bytes -= read_bytes;
- data += read_bytes;
- num_properties--;
- }
+ if (error)
+ break;
+
+ rem_bytes -= read_bytes;
+ data += read_bytes;
+ num_properties--;
}
err_no_prop:
diff --git a/drivers/media/platform/sti/bdisp/bdisp-debug.c b/drivers/media/platform/sti/bdisp/bdisp-debug.c
index 7af6686..2cc289e 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-debug.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-debug.c
@@ -104,7 +104,7 @@
if (val & BLT_INS_IRQ)
seq_puts(s, "IRQ - ");
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val)
@@ -153,7 +153,7 @@
if (val & BLT_TTY_BIG_END)
seq_puts(s, "BigEndian - ");
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_xy(struct seq_file *s, u32 val, char *name)
@@ -230,7 +230,7 @@
seq_puts(s, "BigEndian - ");
done:
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val)
@@ -247,7 +247,7 @@
else if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SAMPLE)
seq_puts(s, "Sample Chroma");
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name)
@@ -266,7 +266,7 @@
seq_printf(s, "V: %d(6.10) / scale~%dx0.1", inc, 1024 * 10 / inc);
done:
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name)
@@ -281,7 +281,7 @@
seq_printf(s, "V: init=%d repeat=%d", val & 0x3FF, (val >> 12) & 7);
done:
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
}
static void bdisp_dbg_dump_ivmx(struct seq_file *s,
@@ -293,7 +293,7 @@
seq_printf(s, "IVMX3\t0x%08X\t", c3);
if (!c0 && !c1 && !c2 && !c3) {
- seq_puts(s, "\n");
+ seq_putc(s, '\n');
return;
}
diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 14cb32e..88a1e56 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -517,14 +517,6 @@
return 0;
}
-static struct platform_driver vimc_cap_pdrv = {
- .probe = vimc_cap_probe,
- .remove = vimc_cap_remove,
- .driver = {
- .name = VIMC_CAP_DRV_NAME,
- },
-};
-
static const struct platform_device_id vimc_cap_driver_ids[] = {
{
.name = VIMC_CAP_DRV_NAME,
@@ -532,6 +524,15 @@
{ }
};
+static struct platform_driver vimc_cap_pdrv = {
+ .probe = vimc_cap_probe,
+ .remove = vimc_cap_remove,
+ .id_table = vimc_cap_driver_ids,
+ .driver = {
+ .name = VIMC_CAP_DRV_NAME,
+ },
+};
+
module_platform_driver(vimc_cap_pdrv);
MODULE_DEVICE_TABLE(platform, vimc_cap_driver_ids);
diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c
index 35b15bd..033a131 100644
--- a/drivers/media/platform/vimc/vimc-debayer.c
+++ b/drivers/media/platform/vimc/vimc-debayer.c
@@ -577,14 +577,6 @@
return 0;
}
-static struct platform_driver vimc_deb_pdrv = {
- .probe = vimc_deb_probe,
- .remove = vimc_deb_remove,
- .driver = {
- .name = VIMC_DEB_DRV_NAME,
- },
-};
-
static const struct platform_device_id vimc_deb_driver_ids[] = {
{
.name = VIMC_DEB_DRV_NAME,
@@ -592,6 +584,15 @@
{ }
};
+static struct platform_driver vimc_deb_pdrv = {
+ .probe = vimc_deb_probe,
+ .remove = vimc_deb_remove,
+ .id_table = vimc_deb_driver_ids,
+ .driver = {
+ .name = VIMC_DEB_DRV_NAME,
+ },
+};
+
module_platform_driver(vimc_deb_pdrv);
MODULE_DEVICE_TABLE(platform, vimc_deb_driver_ids);
diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c
index fe77505..0a3e086 100644
--- a/drivers/media/platform/vimc/vimc-scaler.c
+++ b/drivers/media/platform/vimc/vimc-scaler.c
@@ -431,14 +431,6 @@
return 0;
}
-static struct platform_driver vimc_sca_pdrv = {
- .probe = vimc_sca_probe,
- .remove = vimc_sca_remove,
- .driver = {
- .name = VIMC_SCA_DRV_NAME,
- },
-};
-
static const struct platform_device_id vimc_sca_driver_ids[] = {
{
.name = VIMC_SCA_DRV_NAME,
@@ -446,6 +438,15 @@
{ }
};
+static struct platform_driver vimc_sca_pdrv = {
+ .probe = vimc_sca_probe,
+ .remove = vimc_sca_remove,
+ .id_table = vimc_sca_driver_ids,
+ .driver = {
+ .name = VIMC_SCA_DRV_NAME,
+ },
+};
+
module_platform_driver(vimc_sca_pdrv);
MODULE_DEVICE_TABLE(platform, vimc_sca_driver_ids);
diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
index ebdbbe8..615c2b1 100644
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ b/drivers/media/platform/vimc/vimc-sensor.c
@@ -365,14 +365,6 @@
return 0;
}
-static struct platform_driver vimc_sen_pdrv = {
- .probe = vimc_sen_probe,
- .remove = vimc_sen_remove,
- .driver = {
- .name = VIMC_SEN_DRV_NAME,
- },
-};
-
static const struct platform_device_id vimc_sen_driver_ids[] = {
{
.name = VIMC_SEN_DRV_NAME,
@@ -380,6 +372,15 @@
{ }
};
+static struct platform_driver vimc_sen_pdrv = {
+ .probe = vimc_sen_probe,
+ .remove = vimc_sen_remove,
+ .id_table = vimc_sen_driver_ids,
+ .driver = {
+ .name = VIMC_SEN_DRV_NAME,
+ },
+};
+
module_platform_driver(vimc_sen_pdrv);
MODULE_DEVICE_TABLE(platform, vimc_sen_driver_ids);
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index 7240223..17e82a9 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -610,10 +610,21 @@
}
}
- if (radio->rds_on)
+ if (radio->rds_on) {
r = core->write(core, WL1273_RDS_DATA_ENB, 1);
- else
+ if (r) {
+ dev_err(dev, "%s: RDS_DATA_ENB ON fails\n",
+ __func__);
+ goto fail;
+ }
+ } else {
r = core->write(core, WL1273_RDS_DATA_ENB, 0);
+ if (r) {
+ dev_err(dev, "%s: RDS_DATA_ENB OFF fails\n",
+ __func__);
+ goto fail;
+ }
+ }
} else {
dev_warn(dev, "%s: Illegal mode.\n", __func__);
}
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index a30af91..d2223c0 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -266,7 +266,7 @@
if (!dev->rx_resolution)
return -ENOTTY;
- val = dev->rx_resolution;
+ val = dev->rx_resolution / 1000;
break;
case LIRC_SET_WIDEBAND_RECEIVER:
diff --git a/drivers/media/tuners/fc0011.c b/drivers/media/tuners/fc0011.c
index 192b1c7..145407d 100644
--- a/drivers/media/tuners/fc0011.c
+++ b/drivers/media/tuners/fc0011.c
@@ -342,6 +342,7 @@
switch (vco_sel) {
default:
WARN_ON(1);
+ return -EINVAL;
case 0:
if (vco_cal < 8) {
regs[FC11_REG_VCOSEL] &= ~(FC11_VCOSEL_1 | FC11_VCOSEL_2);
diff --git a/drivers/media/tuners/mxl5005s.c b/drivers/media/tuners/mxl5005s.c
index 353744f..dd59c2c 100644
--- a/drivers/media/tuners/mxl5005s.c
+++ b/drivers/media/tuners/mxl5005s.c
@@ -2737,8 +2737,6 @@
status += MXL_ControlWrite(fe, TG_LO_DIVVAL, 0x0);
status += MXL_ControlWrite(fe, TG_LO_SELVAL, 0x7);
divider_val = 2 ;
- Fmax = FmaxBin ;
- Fmin = FminBin ;
}
/* TG_DIV_VAL */
diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c
index 9ec919c..9d82ec0 100644
--- a/drivers/media/usb/au0828/au0828-input.c
+++ b/drivers/media/usb/au0828/au0828-input.c
@@ -351,7 +351,7 @@
if (err)
goto error;
- pr_info("Remote controller %s initalized\n", ir->name);
+ pr_info("Remote controller %s initialized\n", ir->name);
return 0;
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
index 594360a..a91fdad 100644
--- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -207,15 +207,13 @@
struct lme2510_state *st = d->priv;
u8 all_pids[] = LME_ALL_PIDS;
u8 stream_on[] = LME_ST_ON_W;
- int ret;
u8 rbuff[1];
if (st->pid_off)
- ret = lme2510_usb_talk(d, all_pids, sizeof(all_pids),
- rbuff, sizeof(rbuff));
+ lme2510_usb_talk(d, all_pids, sizeof(all_pids),
+ rbuff, sizeof(rbuff));
/*Restart Stream Command*/
- ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
- rbuff, sizeof(rbuff));
- return ret;
+ return lme2510_usb_talk(d, stream_on, sizeof(stream_on),
+ rbuff, sizeof(rbuff));
}
static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 08acdd3..bea1b47 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -215,13 +215,14 @@
USB_CTRL_GET_TIMEOUT);
if (result < 0) {
deb_info("i2c read error (status = %d)\n", result);
- break;
+ goto unlock;
}
if (msg[i].len > sizeof(st->buf)) {
deb_info("buffer too small to fit %d bytes\n",
msg[i].len);
- return -EIO;
+ result = -EIO;
+ goto unlock;
}
memcpy(msg[i].buf, st->buf, msg[i].len);
@@ -233,8 +234,8 @@
/* Write request */
if (mutex_lock_interruptible(&d->usb_mutex) < 0) {
err("could not acquire lock");
- mutex_unlock(&d->i2c_mutex);
- return -EINTR;
+ result = -EINTR;
+ goto unlock;
}
st->buf[0] = REQUEST_NEW_I2C_WRITE;
st->buf[1] = msg[i].addr << 1;
@@ -247,7 +248,9 @@
if (msg[i].len > sizeof(st->buf) - 4) {
deb_info("i2c message to big: %d\n",
msg[i].len);
- return -EIO;
+ mutex_unlock(&d->usb_mutex);
+ result = -EIO;
+ goto unlock;
}
/* The Actual i2c payload */
@@ -269,8 +272,11 @@
}
}
}
+ result = i;
+
+unlock:
mutex_unlock(&d->i2c_mutex);
- return i;
+ return result;
}
/*
@@ -281,7 +287,7 @@
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
struct dib0700_state *st = d->priv;
- int i,len;
+ int i, len, result;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EINTR;
@@ -298,7 +304,8 @@
if (msg[i].len > sizeof(st->buf) - 2) {
deb_info("i2c xfer to big: %d\n",
msg[i].len);
- return -EIO;
+ result = -EIO;
+ goto unlock;
}
memcpy(&st->buf[2], msg[i].buf, msg[i].len);
@@ -313,13 +320,15 @@
if (len <= 0) {
deb_info("I2C read failed on address 0x%02x\n",
msg[i].addr);
- break;
+ result = -EIO;
+ goto unlock;
}
if (msg[i + 1].len > sizeof(st->buf)) {
deb_info("i2c xfer buffer to small for %d\n",
msg[i].len);
- return -EIO;
+ result = -EIO;
+ goto unlock;
}
memcpy(msg[i + 1].buf, st->buf, msg[i + 1].len);
@@ -328,14 +337,17 @@
i++;
} else {
st->buf[0] = REQUEST_I2C_WRITE;
- if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0)
- break;
+ result = dib0700_ctrl_wr(d, st->buf, msg[i].len + 2);
+ if (result < 0)
+ goto unlock;
}
}
+ result = i;
+unlock:
mutex_unlock(&d->usb_mutex);
mutex_unlock(&d->i2c_mutex);
- return i;
+ return result;
}
static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg,
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 146341a..4c57fd7 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -1193,6 +1193,22 @@
.i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE |
EM28XX_I2C_FREQ_400_KHZ,
},
+ [EM2884_BOARD_TERRATEC_H6] = {
+ .name = "Terratec Cinergy H6 rev. 2",
+ .has_dvb = 1,
+ .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS,
+#if 0
+ .tuner_type = TUNER_PHILIPS_TDA8290,
+ .tuner_addr = 0x41,
+ .dvb_gpio = terratec_h5_digital, /* FIXME: probably wrong */
+ .tuner_gpio = terratec_h5_gpio,
+#else
+ .tuner_type = TUNER_ABSENT,
+#endif
+ .def_i2c_bus = 1,
+ .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE |
+ EM28XX_I2C_FREQ_400_KHZ,
+ },
[EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C] = {
.name = "Hauppauge WinTV HVR 930C",
.has_dvb = 1,
@@ -2496,6 +2512,8 @@
.driver_info = EM2884_BOARD_TERRATEC_H5 },
{ USB_DEVICE(0x0ccd, 0x10b6), /* H5 Rev. 3 */
.driver_info = EM2884_BOARD_TERRATEC_H5 },
+ { USB_DEVICE(0x0ccd, 0x10b2), /* H6 */
+ .driver_info = EM2884_BOARD_TERRATEC_H6 },
{ USB_DEVICE(0x0ccd, 0x0084),
.driver_info = EM2860_BOARD_TERRATEC_AV350 },
{ USB_DEVICE(0x0ccd, 0x0096),
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 82edd37..4a7db62 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -1522,6 +1522,7 @@
break;
case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
case EM2884_BOARD_CINERGY_HTC_STICK:
+ case EM2884_BOARD_TERRATEC_H6:
terratec_htc_stick_init(dev);
/* attach demodulator */
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c
index 8c472d5..60b195c 100644
--- a/drivers/media/usb/em28xx/em28xx-i2c.c
+++ b/drivers/media/usb/em28xx/em28xx-i2c.c
@@ -982,8 +982,6 @@
dev_err(&dev->intf->dev,
"%s: em28xx_i2_eeprom failed! retval [%d]\n",
__func__, retval);
-
- return retval;
}
}
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c
index eba7573..ca96739 100644
--- a/drivers/media/usb/em28xx/em28xx-input.c
+++ b/drivers/media/usb/em28xx/em28xx-input.c
@@ -821,7 +821,7 @@
if (err)
goto error;
- dev_info(&dev->intf->dev, "Input extension successfully initalized\n");
+ dev_info(&dev->intf->dev, "Input extension successfully initialized\n");
return 0;
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index e8d97d5..88084f2 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -148,6 +148,7 @@
#define EM28178_BOARD_PLEX_PX_BCUD 98
#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99
#define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100
+#define EM2884_BOARD_TERRATEC_H6 101
/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4
diff --git a/drivers/media/usb/pulse8-cec/pulse8-cec.c b/drivers/media/usb/pulse8-cec/pulse8-cec.c
index c843070..f9ed9c9 100644
--- a/drivers/media/usb/pulse8-cec/pulse8-cec.c
+++ b/drivers/media/usb/pulse8-cec/pulse8-cec.c
@@ -51,7 +51,7 @@
MODULE_LICENSE("GPL");
static int debug;
-static int persistent_config = 1;
+static int persistent_config;
module_param(debug, int, 0644);
module_param(persistent_config, int, 0644);
MODULE_PARM_DESC(debug, "debug level (0-1)");
diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
index f203699..6569257 100644
--- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
+++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
@@ -116,21 +116,19 @@
while (true) {
unsigned long flags;
- bool exit_loop = false;
char data;
spin_lock_irqsave(&rain->buf_lock, flags);
- if (rain->buf_len) {
- data = rain->buf[rain->buf_rd_idx];
- rain->buf_len--;
- rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff;
- } else {
- exit_loop = true;
- }
- spin_unlock_irqrestore(&rain->buf_lock, flags);
-
- if (exit_loop)
+ if (!rain->buf_len) {
+ spin_unlock_irqrestore(&rain->buf_lock, flags);
break;
+ }
+
+ data = rain->buf[rain->buf_rd_idx];
+ rain->buf_len--;
+ rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff;
+
+ spin_unlock_irqrestore(&rain->buf_lock, flags);
if (!rain->cmd_started && data != '?')
continue;
diff --git a/drivers/media/usb/stkwebcam/stk-sensor.c b/drivers/media/usb/stkwebcam/stk-sensor.c
index 985af99..c1d4505 100644
--- a/drivers/media/usb/stkwebcam/stk-sensor.c
+++ b/drivers/media/usb/stkwebcam/stk-sensor.c
@@ -41,6 +41,8 @@
/* It seems the i2c bus is controlled with these registers */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include "stk-webcam.h"
#define STK_IIC_BASE (0x0200)
@@ -239,8 +241,8 @@
} while (tmpval == 0 && i < MAX_RETRIES);
if (tmpval != STK_IIC_STAT_TX_OK) {
if (tmpval)
- STK_ERROR("stk_sensor_outb failed, status=0x%02x\n",
- tmpval);
+ pr_err("stk_sensor_outb failed, status=0x%02x\n",
+ tmpval);
return 1;
} else
return 0;
@@ -262,8 +264,8 @@
} while (tmpval == 0 && i < MAX_RETRIES);
if (tmpval != STK_IIC_STAT_RX_OK) {
if (tmpval)
- STK_ERROR("stk_sensor_inb failed, status=0x%02x\n",
- tmpval);
+ pr_err("stk_sensor_inb failed, status=0x%02x\n",
+ tmpval);
return 1;
}
@@ -366,29 +368,29 @@
if (stk_camera_write_reg(dev, STK_IIC_ENABLE, STK_IIC_ENABLE_YES)
|| stk_camera_write_reg(dev, STK_IIC_ADDR, SENSOR_ADDRESS)
|| stk_sensor_outb(dev, REG_COM7, COM7_RESET)) {
- STK_ERROR("Sensor resetting failed\n");
+ pr_err("Sensor resetting failed\n");
return -ENODEV;
}
msleep(10);
/* Read the manufacturer ID: ov = 0x7FA2 */
if (stk_sensor_inb(dev, REG_MIDH, &idh)
|| stk_sensor_inb(dev, REG_MIDL, &idl)) {
- STK_ERROR("Strange error reading sensor ID\n");
+ pr_err("Strange error reading sensor ID\n");
return -ENODEV;
}
if (idh != 0x7f || idl != 0xa2) {
- STK_ERROR("Huh? you don't have a sensor from ovt\n");
+ pr_err("Huh? you don't have a sensor from ovt\n");
return -ENODEV;
}
if (stk_sensor_inb(dev, REG_PID, &idh)
|| stk_sensor_inb(dev, REG_VER, &idl)) {
- STK_ERROR("Could not read sensor model\n");
+ pr_err("Could not read sensor model\n");
return -ENODEV;
}
stk_sensor_write_regvals(dev, ov_initvals);
msleep(10);
- STK_INFO("OmniVision sensor detected, id %02X%02X at address %x\n",
- idh, idl, SENSOR_ADDRESS);
+ pr_info("OmniVision sensor detected, id %02X%02X at address %x\n",
+ idh, idl, SENSOR_ADDRESS);
return 0;
}
@@ -520,7 +522,8 @@
case MODE_SXGA: com7 = COM7_FMT_SXGA;
dummylines = 0;
break;
- default: STK_ERROR("Unsupported mode %d\n", dev->vsettings.mode);
+ default:
+ pr_err("Unsupported mode %d\n", dev->vsettings.mode);
return -EFAULT;
}
switch (dev->vsettings.palette) {
@@ -544,7 +547,8 @@
com7 |= COM7_PBAYER;
rv = ov_fmt_bayer;
break;
- default: STK_ERROR("Unsupported colorspace\n");
+ default:
+ pr_err("Unsupported colorspace\n");
return -EFAULT;
}
/*FIXME sometimes the sensor go to a bad state
@@ -564,7 +568,7 @@
switch (dev->vsettings.mode) {
case MODE_VGA:
if (stk_sensor_set_hw(dev, 302, 1582, 6, 486))
- STK_ERROR("stk_sensor_set_hw failed (VGA)\n");
+ pr_err("stk_sensor_set_hw failed (VGA)\n");
break;
case MODE_SXGA:
case MODE_CIF:
@@ -572,7 +576,7 @@
case MODE_QCIF:
/*FIXME These settings seem ignored by the sensor
if (stk_sensor_set_hw(dev, 220, 1500, 10, 1034))
- STK_ERROR("stk_sensor_set_hw failed (SXGA)\n");
+ pr_err("stk_sensor_set_hw failed (SXGA)\n");
*/
break;
}
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c
index 6e7fc36..90d4a08 100644
--- a/drivers/media/usb/stkwebcam/stk-webcam.c
+++ b/drivers/media/usb/stkwebcam/stk-webcam.c
@@ -18,6 +18,8 @@
* GNU General Public License for more details.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -175,15 +177,15 @@
if (!is_present(dev))
return -ENODEV;
if (!is_memallocd(dev) || !is_initialised(dev)) {
- STK_ERROR("FIXME: Buffers are not allocated\n");
+ pr_err("FIXME: Buffers are not allocated\n");
return -EFAULT;
}
ret = usb_set_interface(dev->udev, 0, 5);
if (ret < 0)
- STK_ERROR("usb_set_interface failed !\n");
+ pr_err("usb_set_interface failed !\n");
if (stk_sensor_wakeup(dev))
- STK_ERROR("error awaking the sensor\n");
+ pr_err("error awaking the sensor\n");
stk_camera_read_reg(dev, 0x0116, &value_116);
stk_camera_read_reg(dev, 0x0117, &value_117);
@@ -224,9 +226,9 @@
unset_streaming(dev);
if (usb_set_interface(dev->udev, 0, 0))
- STK_ERROR("usb_set_interface failed !\n");
+ pr_err("usb_set_interface failed !\n");
if (stk_sensor_sleep(dev))
- STK_ERROR("error suspending the sensor\n");
+ pr_err("error suspending the sensor\n");
}
return 0;
}
@@ -313,7 +315,7 @@
dev = (struct stk_camera *) urb->context;
if (dev == NULL) {
- STK_ERROR("isoc_handler called with NULL device !\n");
+ pr_err("isoc_handler called with NULL device !\n");
return;
}
@@ -326,14 +328,13 @@
spin_lock_irqsave(&dev->spinlock, flags);
if (urb->status != -EINPROGRESS && urb->status != 0) {
- STK_ERROR("isoc_handler: urb->status == %d\n", urb->status);
+ pr_err("isoc_handler: urb->status == %d\n", urb->status);
goto resubmit;
}
if (list_empty(&dev->sio_avail)) {
/*FIXME Stop streaming after a while */
- (void) (printk_ratelimit() &&
- STK_ERROR("isoc_handler without available buffer!\n"));
+ pr_err_ratelimited("isoc_handler without available buffer!\n");
goto resubmit;
}
fb = list_first_entry(&dev->sio_avail,
@@ -343,8 +344,8 @@
for (i = 0; i < urb->number_of_packets; i++) {
if (urb->iso_frame_desc[i].status != 0) {
if (urb->iso_frame_desc[i].status != -EXDEV)
- STK_ERROR("Frame %d has error %d\n", i,
- urb->iso_frame_desc[i].status);
+ pr_err("Frame %d has error %d\n",
+ i, urb->iso_frame_desc[i].status);
continue;
}
framelen = urb->iso_frame_desc[i].actual_length;
@@ -368,9 +369,8 @@
/* This marks a new frame */
if (fb->v4lbuf.bytesused != 0
&& fb->v4lbuf.bytesused != dev->frame_size) {
- (void) (printk_ratelimit() &&
- STK_ERROR("frame %d, bytesused=%d, skipping\n",
- i, fb->v4lbuf.bytesused));
+ pr_err_ratelimited("frame %d, bytesused=%d, skipping\n",
+ i, fb->v4lbuf.bytesused);
fb->v4lbuf.bytesused = 0;
fill = fb->buffer;
} else if (fb->v4lbuf.bytesused == dev->frame_size) {
@@ -395,8 +395,7 @@
/* Our buffer is full !!! */
if (framelen + fb->v4lbuf.bytesused > dev->frame_size) {
- (void) (printk_ratelimit() &&
- STK_ERROR("Frame buffer overflow, lost sync\n"));
+ pr_err_ratelimited("Frame buffer overflow, lost sync\n");
/*FIXME Do something here? */
continue;
}
@@ -414,8 +413,8 @@
urb->dev = dev->udev;
ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret != 0) {
- STK_ERROR("Error (%d) re-submitting urb in stk_isoc_handler.\n",
- ret);
+ pr_err("Error (%d) re-submitting urb in stk_isoc_handler\n",
+ ret);
}
}
@@ -433,32 +432,31 @@
udev = dev->udev;
if (dev->isobufs)
- STK_ERROR("isobufs already allocated. Bad\n");
+ pr_err("isobufs already allocated. Bad\n");
else
dev->isobufs = kcalloc(MAX_ISO_BUFS, sizeof(*dev->isobufs),
GFP_KERNEL);
if (dev->isobufs == NULL) {
- STK_ERROR("Unable to allocate iso buffers\n");
+ pr_err("Unable to allocate iso buffers\n");
return -ENOMEM;
}
for (i = 0; i < MAX_ISO_BUFS; i++) {
if (dev->isobufs[i].data == NULL) {
kbuf = kzalloc(ISO_BUFFER_SIZE, GFP_KERNEL);
if (kbuf == NULL) {
- STK_ERROR("Failed to allocate iso buffer %d\n",
- i);
+ pr_err("Failed to allocate iso buffer %d\n", i);
goto isobufs_out;
}
dev->isobufs[i].data = kbuf;
} else
- STK_ERROR("isobuf data already allocated\n");
+ pr_err("isobuf data already allocated\n");
if (dev->isobufs[i].urb == NULL) {
urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
if (urb == NULL)
goto isobufs_out;
dev->isobufs[i].urb = urb;
} else {
- STK_ERROR("Killing URB\n");
+ pr_err("Killing URB\n");
usb_kill_urb(dev->isobufs[i].urb);
urb = dev->isobufs[i].urb;
}
@@ -567,7 +565,7 @@
{
int i;
if (dev->sio_bufs != NULL)
- STK_ERROR("sio_bufs already allocated\n");
+ pr_err("sio_bufs already allocated\n");
else {
dev->sio_bufs = kzalloc(n_sbufs * sizeof(struct stk_sio_buffer),
GFP_KERNEL);
@@ -690,7 +688,7 @@
spin_lock_irqsave(&dev->spinlock, flags);
if (list_empty(&dev->sio_full)) {
spin_unlock_irqrestore(&dev->spinlock, flags);
- STK_ERROR("BUG: No siobufs ready\n");
+ pr_err("BUG: No siobufs ready\n");
return 0;
}
sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list);
@@ -907,7 +905,7 @@
stk_sizes[i].m != dev->vsettings.mode; i++)
;
if (i == ARRAY_SIZE(stk_sizes)) {
- STK_ERROR("ERROR: mode invalid\n");
+ pr_err("ERROR: mode invalid\n");
return -EINVAL;
}
pix_format->width = stk_sizes[i].w;
@@ -985,7 +983,7 @@
stk_sizes[i].m != dev->vsettings.mode)
i++;
if (i == ARRAY_SIZE(stk_sizes)) {
- STK_ERROR("Something is broken in %s\n", __func__);
+ pr_err("Something is broken in %s\n", __func__);
return -EFAULT;
}
/* This registers controls some timings, not sure of what. */
@@ -1241,7 +1239,7 @@
struct stk_camera *dev = vdev_to_camera(vd);
if (dev->sio_bufs != NULL || dev->isobufs != NULL)
- STK_ERROR("We are leaking memory\n");
+ pr_err("We are leaking memory\n");
usb_put_intf(dev->interface);
kfree(dev);
}
@@ -1264,10 +1262,10 @@
video_set_drvdata(&dev->vdev, dev);
err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
if (err)
- STK_ERROR("v4l registration failed\n");
+ pr_err("v4l registration failed\n");
else
- STK_INFO("Syntek USB2.0 Camera is now controlling device %s\n",
- video_device_node_name(&dev->vdev));
+ pr_info("Syntek USB2.0 Camera is now controlling device %s\n",
+ video_device_node_name(&dev->vdev));
return err;
}
@@ -1288,7 +1286,7 @@
dev = kzalloc(sizeof(struct stk_camera), GFP_KERNEL);
if (dev == NULL) {
- STK_ERROR("Out of memory !\n");
+ pr_err("Out of memory !\n");
return -ENOMEM;
}
err = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
@@ -1352,7 +1350,7 @@
}
}
if (!dev->isoc_ep) {
- STK_ERROR("Could not find isoc-in endpoint");
+ pr_err("Could not find isoc-in endpoint\n");
err = -ENODEV;
goto error;
}
@@ -1387,8 +1385,8 @@
wake_up_interruptible(&dev->wait_frame);
- STK_INFO("Syntek USB2.0 Camera release resources device %s\n",
- video_device_node_name(&dev->vdev));
+ pr_info("Syntek USB2.0 Camera release resources device %s\n",
+ video_device_node_name(&dev->vdev));
video_unregister_device(&dev->vdev);
v4l2_ctrl_handler_free(&dev->hdl);
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.h b/drivers/media/usb/stkwebcam/stk-webcam.h
index 0284120..5cecbdc 100644
--- a/drivers/media/usb/stkwebcam/stk-webcam.h
+++ b/drivers/media/usb/stkwebcam/stk-webcam.h
@@ -31,12 +31,6 @@
#define ISO_MAX_FRAME_SIZE 3 * 1024
#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)
-
-#define PREFIX "stkwebcam: "
-#define STK_INFO(str, args...) printk(KERN_INFO PREFIX str, ##args)
-#define STK_ERROR(str, args...) printk(KERN_ERR PREFIX str, ##args)
-#define STK_WARNING(str, args...) printk(KERN_WARNING PREFIX str, ##args)
-
struct stk_iso_buf {
void *data;
int length;
diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c
index e48b7c0..8db45df 100644
--- a/drivers/media/v4l2-core/tuner-core.c
+++ b/drivers/media/v4l2-core/tuner-core.c
@@ -43,8 +43,6 @@
#define UNSET (-1U)
-#define PREFIX (t->i2c->dev.driver->name)
-
/*
* Driver modprobe parameters
*/
diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index 99e644c..ebf69ff 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -72,7 +72,7 @@
{ .name = nm, .converter = atmel_smc_cs_conf_set_pulse, .shift = pos}
#define ATMEL_SMC_CYCLE_XLATE(nm, pos) \
- { .name = nm, .converter = atmel_smc_cs_conf_set_setup, .shift = pos}
+ { .name = nm, .converter = atmel_smc_cs_conf_set_cycle, .shift = pos}
static void at91sam9_ebi_get_config(struct atmel_ebi_dev *ebid,
struct atmel_ebi_dev_config *conf)
@@ -120,12 +120,14 @@
if (!ret) {
required = true;
ncycles = DIV_ROUND_UP(val, clk_period_ns);
- if (ncycles > ATMEL_SMC_MODE_TDF_MAX ||
- ncycles < ATMEL_SMC_MODE_TDF_MIN) {
+ if (ncycles > ATMEL_SMC_MODE_TDF_MAX) {
ret = -EINVAL;
goto out;
}
+ if (ncycles < ATMEL_SMC_MODE_TDF_MIN)
+ ncycles = ATMEL_SMC_MODE_TDF_MIN;
+
smcconf->mode |= ATMEL_SMC_MODE_TDF(ncycles);
}
@@ -263,7 +265,7 @@
}
ret = atmel_ebi_xslate_smc_timings(ebid, np, &conf->smcconf);
- if (ret)
+ if (ret < 0)
return -EINVAL;
if ((ret > 0 && !required) || (!ret && required)) {
diff --git a/drivers/mfd/atmel-smc.c b/drivers/mfd/atmel-smc.c
index 954cf0f..20cc0ea 100644
--- a/drivers/mfd/atmel-smc.c
+++ b/drivers/mfd/atmel-smc.c
@@ -206,7 +206,7 @@
* parameter
*
* This function encodes the @ncycles value as described in the datasheet
- * (section "SMC Pulse Register"), and then stores the result in the
+ * (section "SMC Cycle Register"), and then stores the result in the
* @conf->setup field at @shift position.
*
* Returns -EINVAL if @shift is invalid, -ERANGE if @ncycles does not fit in
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c
index fbe0f24..fe18115 100644
--- a/drivers/mfd/da9062-core.c
+++ b/drivers/mfd/da9062-core.c
@@ -645,6 +645,9 @@
.range_min = DA9062AA_VLDO1_B,
.range_max = DA9062AA_VLDO4_B,
}, {
+ .range_min = DA9062AA_BBAT_CONT,
+ .range_max = DA9062AA_BBAT_CONT,
+ }, {
.range_min = DA9062AA_INTERFACE,
.range_max = DA9062AA_CONFIG_E,
}, {
@@ -721,6 +724,9 @@
.range_min = DA9062AA_VLDO1_B,
.range_max = DA9062AA_VLDO4_B,
}, {
+ .range_min = DA9062AA_BBAT_CONT,
+ .range_max = DA9062AA_BBAT_CONT,
+ }, {
.range_min = DA9062AA_GP_ID_0,
.range_max = DA9062AA_GP_ID_19,
},
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 5c739ac..5970b8d 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -33,7 +33,6 @@
#include <linux/mfd/abx500/ab8500.h>
#include <linux/regulator/db8500-prcmu.h>
#include <linux/regulator/machine.h>
-#include <linux/cpufreq.h>
#include <linux/platform_data/ux500_wdt.h>
#include <linux/platform_data/db8500_thermal.h>
#include "dbx500-prcmu-regs.h"
@@ -1692,32 +1691,27 @@
return rounded_rate;
}
-/* CPU FREQ table, may be changed due to if MAX_OPP is supported. */
-static struct cpufreq_frequency_table db8500_cpufreq_table[] = {
- { .frequency = 200000, .driver_data = ARM_EXTCLK,},
- { .frequency = 400000, .driver_data = ARM_50_OPP,},
- { .frequency = 800000, .driver_data = ARM_100_OPP,},
- { .frequency = CPUFREQ_TABLE_END,}, /* To be used for MAX_OPP. */
- { .frequency = CPUFREQ_TABLE_END,},
+static const unsigned long armss_freqs[] = {
+ 200000000,
+ 400000000,
+ 800000000,
+ 998400000
};
static long round_armss_rate(unsigned long rate)
{
- struct cpufreq_frequency_table *pos;
- long freq = 0;
-
- /* cpufreq table frequencies is in KHz. */
- rate = rate / 1000;
+ unsigned long freq = 0;
+ int i;
/* Find the corresponding arm opp from the cpufreq table. */
- cpufreq_for_each_entry(pos, db8500_cpufreq_table) {
- freq = pos->frequency;
- if (freq == rate)
+ for (i = 0; i < ARRAY_SIZE(armss_freqs); i++) {
+ freq = armss_freqs[i];
+ if (rate <= freq)
break;
}
/* Return the last valid value, even if a match was not found. */
- return freq * 1000;
+ return freq;
}
#define MIN_PLL_VCO_RATE 600000000ULL
@@ -1854,21 +1848,23 @@
static int set_armss_rate(unsigned long rate)
{
- struct cpufreq_frequency_table *pos;
-
- /* cpufreq table frequencies is in KHz. */
- rate = rate / 1000;
+ unsigned long freq;
+ u8 opps[] = { ARM_EXTCLK, ARM_50_OPP, ARM_100_OPP, ARM_MAX_OPP };
+ int i;
/* Find the corresponding arm opp from the cpufreq table. */
- cpufreq_for_each_entry(pos, db8500_cpufreq_table)
- if (pos->frequency == rate)
+ for (i = 0; i < ARRAY_SIZE(armss_freqs); i++) {
+ freq = armss_freqs[i];
+ if (rate == freq)
break;
+ }
- if (pos->frequency != rate)
+ if (rate != freq)
return -EINVAL;
/* Set the new arm opp. */
- return db8500_prcmu_set_arm_opp(pos->driver_data);
+ pr_debug("SET ARM OPP 0x%02x\n", opps[i]);
+ return db8500_prcmu_set_arm_opp(opps[i]);
}
static int set_plldsi_rate(unsigned long rate)
@@ -3049,12 +3045,6 @@
.pdata_size = sizeof(db8500_regulators),
},
{
- .name = "cpufreq-ux500",
- .of_compatible = "stericsson,cpufreq-ux500",
- .platform_data = &db8500_cpufreq_table,
- .pdata_size = sizeof(db8500_cpufreq_table),
- },
- {
.name = "cpuidle-dbx500",
.of_compatible = "stericsson,cpuidle-dbx500",
},
@@ -3067,14 +3057,6 @@
},
};
-static void db8500_prcmu_update_cpufreq(void)
-{
- if (prcmu_has_arm_maxopp()) {
- db8500_cpufreq_table[3].frequency = 1000000;
- db8500_cpufreq_table[3].driver_data = ARM_MAX_OPP;
- }
-}
-
static int db8500_prcmu_register_ab8500(struct device *parent)
{
struct device_node *np;
@@ -3160,8 +3142,6 @@
prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET);
- db8500_prcmu_update_cpufreq();
-
err = mfd_add_devices(&pdev->dev, 0, common_prcmu_devs,
ARRAY_SIZE(common_prcmu_devs), NULL, 0, db8500_irq_domain);
if (err) {
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 8621a198..bac3331 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -216,6 +216,12 @@
pci_set_drvdata(pdev, dev);
/*
+ * MEI requires to resume from runtime suspend mode
+ * in order to perform link reset flow upon system suspend.
+ */
+ pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME;
+
+ /*
* For not wake-able HW runtime pm framework
* can't be used on pci device level.
* Use domain runtime pm callbacks instead.
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index f811cd52..e38a5f1 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -138,6 +138,12 @@
pci_set_drvdata(pdev, dev);
/*
+ * MEI requires to resume from runtime suspend mode
+ * in order to perform link reset flow upon system suspend.
+ */
+ pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME;
+
+ /*
* For not wake-able HW runtime pm framework
* can't be used on pci device level.
* Use domain runtime pm callbacks instead.
diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c
index 64d5760..63d6246 100644
--- a/drivers/misc/mic/scif/scif_dma.c
+++ b/drivers/misc/mic/scif/scif_dma.c
@@ -200,16 +200,6 @@
schedule_work(&scif_info.misc_work);
}
-static void scif_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- struct scif_mmu_notif *mmn;
-
- mmn = container_of(mn, struct scif_mmu_notif, ep_mmu_notifier);
- scif_rma_destroy_tcw(mmn, address, PAGE_SIZE);
-}
-
static void scif_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
@@ -235,7 +225,6 @@
static const struct mmu_notifier_ops scif_mmu_notifier_ops = {
.release = scif_mmu_notifier_release,
.clear_flush_young = NULL,
- .invalidate_page = scif_mmu_notifier_invalidate_page,
.invalidate_range_start = scif_mmu_notifier_invalidate_range_start,
.invalidate_range_end = scif_mmu_notifier_invalidate_range_end};
diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c
index e936d43..9918eda 100644
--- a/drivers/misc/sgi-gru/grutlbpurge.c
+++ b/drivers/misc/sgi-gru/grutlbpurge.c
@@ -247,17 +247,6 @@
gru_dbg(grudev, "gms %p, start 0x%lx, end 0x%lx\n", gms, start, end);
}
-static void gru_invalidate_page(struct mmu_notifier *mn, struct mm_struct *mm,
- unsigned long address)
-{
- struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct,
- ms_notifier);
-
- STAT(mmu_invalidate_page);
- gru_flush_tlb_range(gms, address, PAGE_SIZE);
- gru_dbg(grudev, "gms %p, address 0x%lx\n", gms, address);
-}
-
static void gru_release(struct mmu_notifier *mn, struct mm_struct *mm)
{
struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct,
@@ -269,7 +258,6 @@
static const struct mmu_notifier_ops gru_mmuops = {
- .invalidate_page = gru_invalidate_page,
.invalidate_range_start = gru_invalidate_range_start,
.invalidate_range_end = gru_invalidate_range_end,
.release = gru_release,
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 8ac59dc..8bd7aba 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1213,7 +1213,7 @@
break;
}
mq_rq->drv_op_result = ret;
- blk_end_request_all(req, ret);
+ blk_end_request_all(req, ret ? BLK_STS_IOERR : BLK_STS_OK);
}
static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
@@ -1371,12 +1371,46 @@
R1_CC_ERROR | /* Card controller error */ \
R1_ERROR) /* General/unknown error */
-static bool mmc_blk_has_cmd_err(struct mmc_command *cmd)
+static void mmc_blk_eval_resp_error(struct mmc_blk_request *brq)
{
- if (!cmd->error && cmd->resp[0] & CMD_ERRORS)
- cmd->error = -EIO;
+ u32 val;
- return cmd->error;
+ /*
+ * Per the SD specification(physical layer version 4.10)[1],
+ * section 4.3.3, it explicitly states that "When the last
+ * block of user area is read using CMD18, the host should
+ * ignore OUT_OF_RANGE error that may occur even the sequence
+ * is correct". And JESD84-B51 for eMMC also has a similar
+ * statement on section 6.8.3.
+ *
+ * Multiple block read/write could be done by either predefined
+ * method, namely CMD23, or open-ending mode. For open-ending mode,
+ * we should ignore the OUT_OF_RANGE error as it's normal behaviour.
+ *
+ * However the spec[1] doesn't tell us whether we should also
+ * ignore that for predefined method. But per the spec[1], section
+ * 4.15 Set Block Count Command, it says"If illegal block count
+ * is set, out of range error will be indicated during read/write
+ * operation (For example, data transfer is stopped at user area
+ * boundary)." In another word, we could expect a out of range error
+ * in the response for the following CMD18/25. And if argument of
+ * CMD23 + the argument of CMD18/25 exceed the max number of blocks,
+ * we could also expect to get a -ETIMEDOUT or any error number from
+ * the host drivers due to missing data response(for write)/data(for
+ * read), as the cards will stop the data transfer by itself per the
+ * spec. So we only need to check R1_OUT_OF_RANGE for open-ending mode.
+ */
+
+ if (!brq->stop.error) {
+ bool oor_with_open_end;
+ /* If there is no error yet, check R1 response */
+
+ val = brq->stop.resp[0] & CMD_ERRORS;
+ oor_with_open_end = val & R1_OUT_OF_RANGE && !brq->mrq.sbc;
+
+ if (val && !oor_with_open_end)
+ brq->stop.error = -EIO;
+ }
}
static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
@@ -1400,8 +1434,11 @@
* stop.error indicates a problem with the stop command. Data
* may have been transferred, or may still be transferring.
*/
- if (brq->sbc.error || brq->cmd.error || mmc_blk_has_cmd_err(&brq->stop) ||
- brq->data.error) {
+
+ mmc_blk_eval_resp_error(brq);
+
+ if (brq->sbc.error || brq->cmd.error ||
+ brq->stop.error || brq->data.error) {
switch (mmc_blk_cmd_recovery(card, req, brq, &ecc_err, &gen_err)) {
case ERR_RETRY:
return MMC_BLK_RETRY;
@@ -1681,9 +1718,9 @@
if (err)
req_pending = old_req_pending;
else
- req_pending = blk_end_request(req, 0, blocks << 9);
+ req_pending = blk_end_request(req, BLK_STS_OK, blocks << 9);
} else {
- req_pending = blk_end_request(req, 0, brq->data.bytes_xfered);
+ req_pending = blk_end_request(req, BLK_STS_OK, brq->data.bytes_xfered);
}
return req_pending;
}
@@ -2170,6 +2207,9 @@
* from being accepted.
*/
card = md->queue.card;
+ spin_lock_irq(md->queue.queue->queue_lock);
+ queue_flag_set(QUEUE_FLAG_BYPASS, md->queue.queue);
+ spin_unlock_irq(md->queue.queue->queue_lock);
blk_set_queue_dying(md->queue.queue);
mmc_cleanup_queue(&md->queue);
if (md->disk->flags & GENHD_FL_UP) {
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 4ffea14..2bae69e 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1289,7 +1289,7 @@
static int mmc_select_hs400es(struct mmc_card *card)
{
struct mmc_host *host = card->host;
- int err = 0;
+ int err = -EINVAL;
u8 val;
if (!(host->caps & MMC_CAP_8_BIT_DATA)) {
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index a9dfb26..250dc6e 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2957,7 +2957,7 @@
}
/* find out number of slots supported */
- if (device_property_read_u32(dev, "num-slots", &pdata->num_slots))
+ if (!device_property_read_u32(dev, "num-slots", &pdata->num_slots))
dev_info(dev, "'num-slots' was deprecated.\n");
if (device_property_read_u32(dev, "fifo-depth", &pdata->fifo_depth))
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 7c12f37..2ab4788 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -356,9 +356,6 @@
struct mmc_host *mmc = host->mmc;
int ret = 0;
- if (mmc_pdata(host)->set_power)
- return mmc_pdata(host)->set_power(host->dev, power_on, vdd);
-
/*
* If we don't see a Vcc regulator, assume it's a fixed
* voltage always-on regulator.
@@ -366,9 +363,6 @@
if (IS_ERR(mmc->supply.vmmc))
return 0;
- if (mmc_pdata(host)->before_set_reg)
- mmc_pdata(host)->before_set_reg(host->dev, power_on, vdd);
-
ret = omap_hsmmc_set_pbias(host, false, 0);
if (ret)
return ret;
@@ -400,9 +394,6 @@
return ret;
}
- if (mmc_pdata(host)->after_set_reg)
- mmc_pdata(host)->after_set_reg(host->dev, power_on, vdd);
-
return 0;
err_set_voltage:
@@ -469,8 +460,6 @@
int ret;
struct mmc_host *mmc = host->mmc;
- if (mmc_pdata(host)->set_power)
- return 0;
ret = mmc_regulator_get_supply(mmc);
if (ret == -EPROBE_DEFER)
@@ -2097,7 +2086,7 @@
mmc->max_seg_size = mmc->max_req_size;
mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
- MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE;
+ MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE | MMC_CAP_CMD23;
mmc->caps |= mmc_pdata(host)->caps;
if (mmc->caps & MMC_CAP_8_BIT_DATA)
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index 7611fd6..1485530 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -31,6 +31,7 @@
#define SDMMC_MC1R 0x204
#define SDMMC_MC1R_DDR BIT(3)
+#define SDMMC_MC1R_FCD BIT(7)
#define SDMMC_CACR 0x230
#define SDMMC_CACR_CAPWREN BIT(0)
#define SDMMC_CACR_KEY (0x46 << 8)
@@ -43,6 +44,15 @@
struct clk *mainck;
};
+static void sdhci_at91_set_force_card_detect(struct sdhci_host *host)
+{
+ u8 mc1r;
+
+ mc1r = readb(host->ioaddr + SDMMC_MC1R);
+ mc1r |= SDMMC_MC1R_FCD;
+ writeb(mc1r, host->ioaddr + SDMMC_MC1R);
+}
+
static void sdhci_at91_set_clock(struct sdhci_host *host, unsigned int clock)
{
u16 clk;
@@ -110,10 +120,18 @@
sdhci_set_uhs_signaling(host, timing);
}
+static void sdhci_at91_reset(struct sdhci_host *host, u8 mask)
+{
+ sdhci_reset(host, mask);
+
+ if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ sdhci_at91_set_force_card_detect(host);
+}
+
static const struct sdhci_ops sdhci_at91_sama5d2_ops = {
.set_clock = sdhci_at91_set_clock,
.set_bus_width = sdhci_set_bus_width,
- .reset = sdhci_reset,
+ .reset = sdhci_at91_reset,
.set_uhs_signaling = sdhci_at91_set_uhs_signaling,
.set_power = sdhci_at91_set_power,
};
@@ -324,6 +342,21 @@
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
}
+ /*
+ * If the device attached to the MMC bus is not removable, it is safer
+ * to set the Force Card Detect bit. People often don't connect the
+ * card detect signal and use this pin for another purpose. If the card
+ * detect pin is not muxed to SDHCI controller, a default value is
+ * used. This value can be different from a SoC revision to another
+ * one. Problems come when this default value is not card present. To
+ * avoid this case, if the device is non removable then the card
+ * detection procedure using the SDMCC_CD signal is bypassed.
+ * This bit is reset when a software reset for all command is performed
+ * so we need to implement our own reset function to set back this bit.
+ */
+ if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ sdhci_at91_set_force_card_detect(host);
+
pm_runtime_put_autosuspend(&pdev->dev);
return 0;
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index bc1781b..c580af0 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -210,8 +210,27 @@
sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
}
+static void xenon_set_power(struct sdhci_host *host, unsigned char mode,
+ unsigned short vdd)
+{
+ struct mmc_host *mmc = host->mmc;
+ u8 pwr = host->pwr;
+
+ sdhci_set_power_noreg(host, mode, vdd);
+
+ if (host->pwr == pwr)
+ return;
+
+ if (host->pwr == 0)
+ vdd = 0;
+
+ if (!IS_ERR(mmc->supply.vmmc))
+ mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
+}
+
static const struct sdhci_ops sdhci_xenon_ops = {
.set_clock = sdhci_set_clock,
+ .set_power = xenon_set_power,
.set_bus_width = sdhci_set_bus_width,
.reset = xenon_reset,
.set_uhs_signaling = xenon_set_uhs_signaling,
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index d6fa221..0fb4e4c 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -793,8 +793,12 @@
}
mmc_writel(host, REG_CLKCR, rval);
- if (host->cfg->needs_new_timings)
- mmc_writel(host, REG_SD_NTSR, SDXC_2X_TIMING_MODE);
+ if (host->cfg->needs_new_timings) {
+ /* Don't touch the delay bits */
+ rval = mmc_readl(host, REG_SD_NTSR);
+ rval |= SDXC_2X_TIMING_MODE;
+ mmc_writel(host, REG_SD_NTSR, rval);
+ }
ret = sunxi_mmc_clk_set_phase(host, ios, rate);
if (ret)
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index f336a9b..9ec8f03 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -113,6 +113,7 @@
for (; nsect > 0; nsect--, block++, buf += tr->blksize)
if (tr->writesect(dev, block, buf))
return BLK_STS_IOERR;
+ return BLK_STS_OK;
default:
return BLK_STS_IOERR;
}
diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index d922a88..ceec21b 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -1201,7 +1201,7 @@
* tRC < 30ns implies EDO mode. This controller does not support this
* mode.
*/
- if (conf->timings.sdr.tRC_min < 30)
+ if (conf->timings.sdr.tRC_min < 30000)
return -ENOTSUPP;
atmel_smc_cs_conf_init(smcconf);
@@ -1364,7 +1364,18 @@
ret = atmel_smc_cs_conf_set_timing(smcconf,
ATMEL_HSMC_TIMINGS_TADL_SHIFT,
ncycles);
- if (ret)
+ /*
+ * Version 4 of the ONFI spec mandates that tADL be at least 400
+ * nanoseconds, but, depending on the master clock rate, 400 ns may not
+ * fit in the tADL field of the SMC reg. We need to relax the check and
+ * accept the -ERANGE return code.
+ *
+ * Note that previous versions of the ONFI spec had a lower tADL_min
+ * (100 or 200 ns). It's not clear why this timing constraint got
+ * increased but it seems most NANDs are fine with values lower than
+ * 400ns, so we should be safe.
+ */
+ if (ret && ret != -ERANGE)
return ret;
ncycles = DIV_ROUND_UP(conf->timings.sdr.tAR_min, mckperiodps);
diff --git a/drivers/mtd/nand/atmel/pmecc.c b/drivers/mtd/nand/atmel/pmecc.c
index 55a8ee5..8c210a5 100644
--- a/drivers/mtd/nand/atmel/pmecc.c
+++ b/drivers/mtd/nand/atmel/pmecc.c
@@ -945,6 +945,7 @@
*/
struct platform_device *pdev = to_platform_device(userdev);
const struct atmel_pmecc_caps *caps;
+ const struct of_device_id *match;
/* No PMECC engine available. */
if (!of_property_read_bool(userdev->of_node,
@@ -953,21 +954,11 @@
caps = &at91sam9g45_caps;
- /*
- * Try to find the NFC subnode and extract the associated caps
- * from there.
- */
- np = of_find_compatible_node(userdev->of_node, NULL,
- "atmel,sama5d3-nfc");
- if (np) {
- const struct of_device_id *match;
-
- match = of_match_node(atmel_pmecc_legacy_match, np);
- if (match && match->data)
- caps = match->data;
-
- of_node_put(np);
- }
+ /* Find the caps associated to the NAND dev node. */
+ match = of_match_node(atmel_pmecc_legacy_match,
+ userdev->of_node);
+ if (match && match->data)
+ caps = match->data;
pmecc = atmel_pmecc_create(pdev, caps, 1, 2);
}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 5fa5ddc..c6c18b8 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -65,8 +65,14 @@
if (!section) {
oobregion->offset = 0;
- oobregion->length = 4;
+ if (mtd->oobsize == 16)
+ oobregion->length = 4;
+ else
+ oobregion->length = 3;
} else {
+ if (mtd->oobsize == 8)
+ return -ERANGE;
+
oobregion->offset = 6;
oobregion->length = ecc->total - 4;
}
@@ -1125,7 +1131,9 @@
* Ensure the timing mode has been changed on the chip side
* before changing timings on the controller side.
*/
- if (chip->onfi_version) {
+ if (chip->onfi_version &&
+ (le16_to_cpu(chip->onfi_params.opt_cmd) &
+ ONFI_OPT_CMD_SET_GET_FEATURES)) {
u8 tmode_param[ONFI_SUBFEATURE_PARAM_LEN] = {
chip->onfi_timing_mode_default,
};
@@ -2741,7 +2749,6 @@
* @buf: the data to write
* @oob_required: must write chip->oob_poi to OOB
* @page: page number to write
- * @cached: cached programming
* @raw: use _raw version of write_page
*/
static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c
index f06312d..7e36d7d1 100644
--- a/drivers/mtd/nand/nand_timings.c
+++ b/drivers/mtd/nand/nand_timings.c
@@ -311,9 +311,9 @@
struct nand_sdr_timings *timings = &iface->timings.sdr;
/* microseconds -> picoseconds */
- timings->tPROG_max = 1000000UL * le16_to_cpu(params->t_prog);
- timings->tBERS_max = 1000000UL * le16_to_cpu(params->t_bers);
- timings->tR_max = 1000000UL * le16_to_cpu(params->t_r);
+ timings->tPROG_max = 1000000ULL * le16_to_cpu(params->t_prog);
+ timings->tBERS_max = 1000000ULL * le16_to_cpu(params->t_bers);
+ timings->tR_max = 1000000ULL * le16_to_cpu(params->t_r);
/* nanoseconds -> picoseconds */
timings->tCCS_min = 1000UL * le16_to_cpu(params->t_ccs);
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 03a0d05..e4211c3 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2373,6 +2373,7 @@
return 0;
err_exit:
+ nandsim_debugfs_remove(nand);
free_nandsim(nand);
nand_release(nsmtd);
for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index d0b6f8f..6abd142 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -1728,6 +1728,10 @@
*/
chip->clk_rate = NSEC_PER_SEC / min_clk_period;
real_clk_rate = clk_round_rate(nfc->mod_clk, chip->clk_rate);
+ if (real_clk_rate <= 0) {
+ dev_err(nfc->dev, "Unable to round clk %lu\n", chip->clk_rate);
+ return -EINVAL;
+ }
/*
* ONFI specification 3.1, paragraph 4.15.2 dictates that EDO data
diff --git a/drivers/mux/Kconfig b/drivers/mux/Kconfig
index 7c754a0..19e4e90 100644
--- a/drivers/mux/Kconfig
+++ b/drivers/mux/Kconfig
@@ -2,20 +2,11 @@
# Multiplexer devices
#
-menuconfig MULTIPLEXER
- tristate "Multiplexer subsystem"
- help
- Multiplexer controller subsystem. Multiplexers are used in a
- variety of settings, and this subsystem abstracts their use
- so that the rest of the kernel sees a common interface. When
- multiple parallel multiplexers are controlled by one single
- multiplexer controller, this subsystem also coordinates the
- multiplexer accesses.
+config MULTIPLEXER
+ tristate
- To compile the subsystem as a module, choose M here: the module will
- be called mux-core.
-
-if MULTIPLEXER
+menu "Multiplexer drivers"
+ depends on MULTIPLEXER
config MUX_ADG792A
tristate "Analog Devices ADG792A/ADG792G Multiplexers"
@@ -56,4 +47,4 @@
To compile the driver as a module, choose M here: the module will
be called mux-mmio.
-endif
+endmenu
diff --git a/drivers/mux/mux-core.c b/drivers/mux/mux-core.c
index 90b8995..2fe96c4 100644
--- a/drivers/mux/mux-core.c
+++ b/drivers/mux/mux-core.c
@@ -46,7 +46,7 @@
static void __exit mux_exit(void)
{
- class_register(&mux_class);
+ class_unregister(&mux_class);
ida_destroy(&mux_ida);
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 14ff622..fc63992 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1569,7 +1569,8 @@
new_slave->delay = 0;
new_slave->link_failure_count = 0;
- if (bond_update_speed_duplex(new_slave))
+ if (bond_update_speed_duplex(new_slave) &&
+ bond_needs_speed_duplex(bond))
new_slave->link = BOND_LINK_DOWN;
new_slave->last_rx = jiffies -
@@ -2050,6 +2051,7 @@
continue;
bond_propose_link_state(slave, BOND_LINK_FAIL);
+ commit++;
slave->delay = bond->params.downdelay;
if (slave->delay) {
netdev_info(bond->dev, "link status down for %sinterface %s, disabling it in %d ms\n",
@@ -2088,6 +2090,7 @@
continue;
bond_propose_link_state(slave, BOND_LINK_BACK);
+ commit++;
slave->delay = bond->params.updelay;
if (slave->delay) {
@@ -2138,11 +2141,13 @@
continue;
case BOND_LINK_UP:
- if (bond_update_speed_duplex(slave)) {
+ if (bond_update_speed_duplex(slave) &&
+ bond_needs_speed_duplex(bond)) {
slave->link = BOND_LINK_DOWN;
- netdev_warn(bond->dev,
- "failed to get link speed/duplex for %s\n",
- slave->dev->name);
+ if (net_ratelimit())
+ netdev_warn(bond->dev,
+ "failed to get link speed/duplex for %s\n",
+ slave->dev->name);
continue;
}
bond_set_slave_link_state(slave, BOND_LINK_UP,
@@ -4596,7 +4601,7 @@
}
ad_user_port_key = valptr->value;
- if (bond_mode == BOND_MODE_TLB) {
+ if ((bond_mode == BOND_MODE_TLB) || (bond_mode == BOND_MODE_ALB)) {
bond_opt_initstr(&newval, "default");
valptr = bond_opt_parse(bond_opt_get(BOND_OPT_TLB_DYNAMIC_LB),
&newval);
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index e68d368..7f36d3e 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1665,6 +1665,7 @@
.dev_name = "BCM53125",
.vlans = 4096,
.enabled_ports = 0xff,
+ .arl_entries = 4,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 648f91b..9b6ce7c 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1048,6 +1048,7 @@
u32 type;
const u16 *reg_offsets;
unsigned int core_reg_align;
+ unsigned int num_cfp_rules;
};
/* Register offsets for the SWITCH_REG_* block */
@@ -1071,6 +1072,7 @@
.type = BCM7445_DEVICE_ID,
.core_reg_align = 0,
.reg_offsets = bcm_sf2_7445_reg_offsets,
+ .num_cfp_rules = 256,
};
static const u16 bcm_sf2_7278_reg_offsets[] = {
@@ -1093,6 +1095,7 @@
.type = BCM7278_DEVICE_ID,
.core_reg_align = 1,
.reg_offsets = bcm_sf2_7278_reg_offsets,
+ .num_cfp_rules = 128,
};
static const struct of_device_id bcm_sf2_of_match[] = {
@@ -1149,6 +1152,7 @@
priv->type = data->type;
priv->reg_offsets = data->reg_offsets;
priv->core_reg_align = data->core_reg_align;
+ priv->num_cfp_rules = data->num_cfp_rules;
/* Auto-detection using standard registers will not work, so
* provide an indication of what kind of device we are for
diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h
index 7d3030e..7f9125e 100644
--- a/drivers/net/dsa/bcm_sf2.h
+++ b/drivers/net/dsa/bcm_sf2.h
@@ -72,6 +72,7 @@
u32 type;
const u16 *reg_offsets;
unsigned int core_reg_align;
+ unsigned int num_cfp_rules;
/* spinlock protecting access to the indirect registers */
spinlock_t indir_lock;
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c
index 2fb32d6..8a1da7e 100644
--- a/drivers/net/dsa/bcm_sf2_cfp.c
+++ b/drivers/net/dsa/bcm_sf2_cfp.c
@@ -98,7 +98,7 @@
{
u32 reg;
- WARN_ON(addr >= CFP_NUM_RULES);
+ WARN_ON(addr >= priv->num_cfp_rules);
reg = core_readl(priv, CORE_CFP_ACC);
reg &= ~(XCESS_ADDR_MASK << XCESS_ADDR_SHIFT);
@@ -109,7 +109,7 @@
static inline unsigned int bcm_sf2_cfp_rule_size(struct bcm_sf2_priv *priv)
{
/* Entry #0 is reserved */
- return CFP_NUM_RULES - 1;
+ return priv->num_cfp_rules - 1;
}
static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port,
@@ -523,7 +523,7 @@
if (!(reg & OP_STR_DONE))
break;
- } while (index < CFP_NUM_RULES);
+ } while (index < priv->num_cfp_rules);
/* Put the TCAM size here */
nfc->data = bcm_sf2_cfp_rule_size(priv);
@@ -544,7 +544,7 @@
case ETHTOOL_GRXCLSRLCNT:
/* Subtract the default, unusable rule */
nfc->rule_cnt = bitmap_weight(priv->cfp.used,
- CFP_NUM_RULES) - 1;
+ priv->num_cfp_rules) - 1;
/* We support specifying rule locations */
nfc->data |= RX_CLS_LOC_SPECIAL;
break;
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 1e46418..264b281 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -625,6 +625,44 @@
* all finished.
*/
mt7623_pad_clk_setup(ds);
+ } else {
+ u16 lcl_adv = 0, rmt_adv = 0;
+ u8 flowctrl;
+ u32 mcr = PMCR_USERP_LINK | PMCR_FORCE_MODE;
+
+ switch (phydev->speed) {
+ case SPEED_1000:
+ mcr |= PMCR_FORCE_SPEED_1000;
+ break;
+ case SPEED_100:
+ mcr |= PMCR_FORCE_SPEED_100;
+ break;
+ };
+
+ if (phydev->link)
+ mcr |= PMCR_FORCE_LNK;
+
+ if (phydev->duplex) {
+ mcr |= PMCR_FORCE_FDX;
+
+ if (phydev->pause)
+ rmt_adv = LPA_PAUSE_CAP;
+ if (phydev->asym_pause)
+ rmt_adv |= LPA_PAUSE_ASYM;
+
+ if (phydev->advertising & ADVERTISED_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_CAP;
+ if (phydev->advertising & ADVERTISED_Asym_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+
+ if (flowctrl & FLOW_CTRL_TX)
+ mcr |= PMCR_TX_FC_EN;
+ if (flowctrl & FLOW_CTRL_RX)
+ mcr |= PMCR_RX_FC_EN;
+ }
+ mt7530_write(priv, MT7530_PMCR_P(port), mcr);
}
}
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index b83d76b..74db982 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -151,6 +151,7 @@
#define PMCR_TX_FC_EN BIT(5)
#define PMCR_RX_FC_EN BIT(4)
#define PMCR_FORCE_SPEED_1000 BIT(3)
+#define PMCR_FORCE_SPEED_100 BIT(2)
#define PMCR_FORCE_FDX BIT(1)
#define PMCR_FORCE_LNK BIT(0)
#define PMCR_COMMON_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 53b0881..5bcdd33 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3178,6 +3178,7 @@
.port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_limit = mv88e6390_port_pause_limit,
+ .port_set_cmode = mv88e6390x_port_set_cmode,
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index d3906f6..6e253d9 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1661,21 +1661,21 @@
return 0;
}
-static int xgene_enet_check_phy_handle(struct xgene_enet_pdata *pdata)
+static void xgene_enet_check_phy_handle(struct xgene_enet_pdata *pdata)
{
int ret;
if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII)
- return 0;
+ return;
if (!IS_ENABLED(CONFIG_MDIO_XGENE))
- return 0;
+ return;
ret = xgene_enet_phy_connect(pdata->ndev);
if (!ret)
pdata->mdio_driver = true;
- return 0;
+ return;
}
static void xgene_enet_gpiod_get(struct xgene_enet_pdata *pdata)
@@ -1779,22 +1779,20 @@
if (ret)
return ret;
- ret = xgene_enet_check_phy_handle(pdata);
- if (ret)
- return ret;
-
xgene_enet_gpiod_get(pdata);
pdata->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(pdata->clk)) {
- /* Abort if the clock is defined but couldn't be retrived.
- * Always abort if the clock is missing on DT system as
- * the driver can't cope with this case.
- */
- if (PTR_ERR(pdata->clk) != -ENOENT || dev->of_node)
- return PTR_ERR(pdata->clk);
- /* Firmware may have set up the clock already. */
- dev_info(dev, "clocks have been setup already\n");
+ if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) {
+ /* Abort if the clock is defined but couldn't be
+ * retrived. Always abort if the clock is missing on
+ * DT system as the driver can't cope with this case.
+ */
+ if (PTR_ERR(pdata->clk) != -ENOENT || dev->of_node)
+ return PTR_ERR(pdata->clk);
+ /* Firmware may have set up the clock already. */
+ dev_info(dev, "clocks have been setup already\n");
+ }
}
if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII)
@@ -2095,9 +2093,11 @@
goto err;
}
+ xgene_enet_check_phy_handle(pdata);
+
ret = xgene_enet_init_hw(pdata);
if (ret)
- goto err;
+ goto err2;
link_state = pdata->mac_ops->link_state;
if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
@@ -2115,29 +2115,30 @@
spin_lock_init(&pdata->stats_lock);
ret = xgene_extd_stats_init(pdata);
if (ret)
- goto err2;
+ goto err1;
xgene_enet_napi_add(pdata);
ret = register_netdev(ndev);
if (ret) {
netdev_err(ndev, "Failed to register netdev\n");
- goto err2;
+ goto err1;
}
return 0;
-err2:
+err1:
/*
* If necessary, free_netdev() will call netif_napi_del() and undo
* the effects of xgene_enet_napi_add()'s calls to netif_napi_add().
*/
+ xgene_enet_delete_desc_rings(pdata);
+
+err2:
if (pdata->mdio_driver)
xgene_enet_phy_disconnect(pdata);
else if (phy_interface_mode_is_rgmii(pdata->phy_mode))
xgene_enet_mdio_remove(pdata);
-err1:
- xgene_enet_delete_desc_rings(pdata);
err:
free_netdev(ndev);
return ret;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index fce0fd3..bf9b3f0 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -105,8 +105,7 @@
int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr);
- int (*hw_get_link_status)(struct aq_hw_s *self,
- struct aq_hw_link_status_s *link_status);
+ int (*hw_get_link_status)(struct aq_hw_s *self);
int (*hw_set_link_speed)(struct aq_hw_s *self, u32 speed);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 9ee1c50..6ac9e26 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -103,6 +103,8 @@
else
cfg->vecs = 1U;
+ cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
+
cfg->irq_type = aq_pci_func_get_irq_type(self->aq_pci_func);
if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||
@@ -123,33 +125,30 @@
struct net_device *ndev = aq_nic_get_ndev(self);
int err = 0;
unsigned int i = 0U;
- struct aq_hw_link_status_s link_status;
struct aq_ring_stats_rx_s stats_rx;
struct aq_ring_stats_tx_s stats_tx;
if (aq_utils_obj_test(&self->header.flags, AQ_NIC_FLAGS_IS_NOT_READY))
goto err_exit;
- err = self->aq_hw_ops.hw_get_link_status(self->aq_hw, &link_status);
+ err = self->aq_hw_ops.hw_get_link_status(self->aq_hw);
if (err < 0)
goto err_exit;
+ self->link_status = self->aq_hw->aq_link_status;
+
self->aq_hw_ops.hw_interrupt_moderation_set(self->aq_hw,
- self->aq_nic_cfg.is_interrupt_moderation);
+ self->aq_nic_cfg.is_interrupt_moderation);
- if (memcmp(&link_status, &self->link_status, sizeof(link_status))) {
- if (link_status.mbps) {
- aq_utils_obj_set(&self->header.flags,
- AQ_NIC_FLAG_STARTED);
- aq_utils_obj_clear(&self->header.flags,
- AQ_NIC_LINK_DOWN);
- netif_carrier_on(self->ndev);
- } else {
- netif_carrier_off(self->ndev);
- aq_utils_obj_set(&self->header.flags, AQ_NIC_LINK_DOWN);
- }
-
- self->link_status = link_status;
+ if (self->link_status.mbps) {
+ aq_utils_obj_set(&self->header.flags,
+ AQ_NIC_FLAG_STARTED);
+ aq_utils_obj_clear(&self->header.flags,
+ AQ_NIC_LINK_DOWN);
+ netif_carrier_on(self->ndev);
+ } else {
+ netif_carrier_off(self->ndev);
+ aq_utils_obj_set(&self->header.flags, AQ_NIC_LINK_DOWN);
}
memset(&stats_rx, 0U, sizeof(struct aq_ring_stats_rx_s));
@@ -597,14 +596,11 @@
}
int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
-__releases(&ring->lock)
-__acquires(&ring->lock)
{
struct aq_ring_s *ring = NULL;
unsigned int frags = 0U;
unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
unsigned int tc = 0U;
- unsigned int trys = AQ_CFG_LOCK_TRYS;
int err = NETDEV_TX_OK;
bool is_nic_in_bad_state;
@@ -628,36 +624,21 @@
goto err_exit;
}
- do {
- if (spin_trylock(&ring->header.lock)) {
- frags = aq_nic_map_skb(self, skb, ring);
+ frags = aq_nic_map_skb(self, skb, ring);
- if (likely(frags)) {
- err = self->aq_hw_ops.hw_ring_tx_xmit(
- self->aq_hw,
- ring, frags);
- if (err >= 0) {
- if (aq_ring_avail_dx(ring) <
- AQ_CFG_SKB_FRAGS_MAX + 1)
- aq_nic_ndev_queue_stop(
- self,
- ring->idx);
+ if (likely(frags)) {
+ err = self->aq_hw_ops.hw_ring_tx_xmit(self->aq_hw,
+ ring,
+ frags);
+ if (err >= 0) {
+ if (aq_ring_avail_dx(ring) < AQ_CFG_SKB_FRAGS_MAX + 1)
+ aq_nic_ndev_queue_stop(self, ring->idx);
- ++ring->stats.tx.packets;
- ring->stats.tx.bytes += skb->len;
- }
- } else {
- err = NETDEV_TX_BUSY;
- }
-
- spin_unlock(&ring->header.lock);
- break;
+ ++ring->stats.tx.packets;
+ ring->stats.tx.bytes += skb->len;
}
- } while (--trys);
-
- if (!trys) {
+ } else {
err = NETDEV_TX_BUSY;
- goto err_exit;
}
err_exit:
@@ -688,11 +669,26 @@
netdev_for_each_mc_addr(ha, ndev) {
ether_addr_copy(self->mc_list.ar[i++], ha->addr);
++self->mc_list.count;
+
+ if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX)
+ break;
}
- return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
+ if (i >= AQ_CFG_MULTICAST_ADDRESS_MAX) {
+ /* Number of filters is too big: atlantic does not support this.
+ * Force all multi filter to support this.
+ * With this we disable all UC filters and setup "all pass"
+ * multicast mask
+ */
+ self->packet_filter |= IFF_ALLMULTI;
+ self->aq_hw->aq_nic_cfg->mc_list_count = 0;
+ return self->aq_hw_ops.hw_packet_filter_set(self->aq_hw,
+ self->packet_filter);
+ } else {
+ return self->aq_hw_ops.hw_multicast_list_set(self->aq_hw,
self->mc_list.ar,
self->mc_list.count);
+ }
}
int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 9a08179..ec5579f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -101,7 +101,6 @@
self->hw_head = 0;
self->sw_head = 0;
self->sw_tail = 0;
- spin_lock_init(&self->header.lock);
return 0;
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
index f6012b3..e12bcdf 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_utils.h
@@ -17,7 +17,6 @@
#define AQ_DIMOF(_ARY_) ARRAY_SIZE(_ARY_)
struct aq_obj_s {
- spinlock_t lock; /* spinlock for nic/rings processing */
atomic_t flags;
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index ad5b4d4d..fee446a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
@@ -34,8 +34,6 @@
#define AQ_VEC_RX_ID 1
static int aq_vec_poll(struct napi_struct *napi, int budget)
-__releases(&self->lock)
-__acquires(&self->lock)
{
struct aq_vec_s *self = container_of(napi, struct aq_vec_s, napi);
struct aq_ring_s *ring = NULL;
@@ -47,7 +45,7 @@
if (!self) {
err = -EINVAL;
- } else if (spin_trylock(&self->header.lock)) {
+ } else {
for (i = 0U, ring = self->ring[0];
self->tx_rings > i; ++i, ring = self->ring[i]) {
if (self->aq_hw_ops->hw_ring_tx_head_update) {
@@ -105,11 +103,8 @@
self->aq_hw_ops->hw_irq_enable(self->aq_hw,
1U << self->aq_ring_param.vec_idx);
}
-
-err_exit:
- spin_unlock(&self->header.lock);
}
-
+err_exit:
return work_done;
}
@@ -185,8 +180,6 @@
self->aq_hw_ops = aq_hw_ops;
self->aq_hw = aq_hw;
- spin_lock_init(&self->header.lock);
-
for (i = 0U, ring = self->ring[0];
self->tx_rings > i; ++i, ring = self->ring[i]) {
err = aq_ring_init(&ring[AQ_VEC_TX_ID]);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index faeb493..c5a02df 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -629,6 +629,12 @@
buff->is_udp_cso = (is_err & 0x10U) ? 0 : 1;
else if (0x0U == (pkt_type & 0x1CU))
buff->is_tcp_cso = (is_err & 0x10U) ? 0 : 1;
+
+ /* Checksum offload workaround for small packets */
+ if (rxd_wb->pkt_len <= 60) {
+ buff->is_ip_cso = 0U;
+ buff->is_cso_err = 0U;
+ }
}
is_err &= ~0x18U;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 1bceb73..21784cc 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -645,6 +645,12 @@
buff->is_udp_cso = buff->is_cso_err ? 0U : 1U;
else if (0x0U == (pkt_type & 0x1CU))
buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U;
+
+ /* Checksum offload workaround for small packets */
+ if (rxd_wb->pkt_len <= 60) {
+ buff->is_ip_cso = 0U;
+ buff->is_cso_err = 0U;
+ }
}
is_err &= ~0x18U;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 8d6d8f5..4f5ec9a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -141,6 +141,12 @@
err = hw_atl_utils_ver_match(aq_hw_caps->fw_ver_expected,
aq_hw_read_reg(self, 0x18U));
+
+ if (err < 0)
+ pr_err("%s: Bad FW version detected: expected=%x, actual=%x\n",
+ AQ_CFG_DRV_NAME,
+ aq_hw_caps->fw_ver_expected,
+ aq_hw_read_reg(self, 0x18U));
return err;
}
@@ -313,11 +319,11 @@
err_exit:;
}
-int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self,
- struct aq_hw_link_status_s *link_status)
+int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self)
{
u32 cp0x036C = aq_hw_read_reg(self, HW_ATL_MPI_STATE_ADR);
u32 link_speed_mask = cp0x036C >> HW_ATL_MPI_SPEED_SHIFT;
+ struct aq_hw_link_status_s *link_status = &self->aq_link_status;
if (!link_speed_mask) {
link_status->mbps = 0U;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
index a66aee5..e0360a6 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
@@ -180,8 +180,7 @@
int hw_atl_utils_mpi_set_speed(struct aq_hw_s *self, u32 speed,
enum hal_atl_utils_fw_state_e state);
-int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self,
- struct aq_hw_link_status_s *link_status);
+int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self);
int hw_atl_utils_get_mac_permanent(struct aq_hw_s *self,
struct aq_hw_caps_s *aq_hw_caps,
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index 041cfb7..e941595 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -609,7 +609,7 @@
mac_mode |= HALF_DUPLEX;
if (gigabit) {
- if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ if (phy_interface_is_rgmii(dev->phydev))
mac_mode |= RGMII_MODE;
mac_mode |= GMAC_MODE;
@@ -1268,11 +1268,10 @@
break;
case PHY_INTERFACE_MODE_RGMII:
- pad_mode = PAD_MODE_RGMII;
- break;
-
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
- pad_mode = PAD_MODE_RGMII | PAD_MODE_GTX_CLK_DELAY;
+ pad_mode = PAD_MODE_RGMII;
break;
default:
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index f411936..a1125d1 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2368,6 +2368,7 @@
bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE);
spin_lock_init(&bp->lock);
+ u64_stats_init(&bp->hw_stats.syncp);
bp->rx_pending = B44_DEF_RX_RING_PENDING;
bp->tx_pending = B44_DEF_TX_RING_PENDING;
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 5333601..c28fa5a 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -449,6 +449,10 @@
p = (char *)&dev->stats;
else
p = (char *)priv;
+
+ if (priv->is_lite && !bcm_sysport_lite_stat_valid(s->type))
+ continue;
+
p += s->stat_offset;
data[j] = *(unsigned long *)p;
j++;
@@ -593,7 +597,7 @@
static void bcm_sysport_free_cb(struct bcm_sysport_cb *cb)
{
- dev_kfree_skb_any(cb->skb);
+ dev_consume_skb_any(cb->skb);
cb->skb = NULL;
dma_unmap_addr_set(cb, dma_addr, 0);
}
@@ -1342,6 +1346,8 @@
ring->cbs = kcalloc(size, sizeof(struct bcm_sysport_cb), GFP_KERNEL);
if (!ring->cbs) {
+ dma_free_coherent(kdev, sizeof(struct dma_desc),
+ ring->desc_cpu, ring->desc_dma);
netif_err(priv, hw, priv->netdev, "CB allocation failed\n");
return -ENOMEM;
}
diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c
index 73aca97..d937083d 100644
--- a/drivers/net/ethernet/broadcom/bgmac-platform.c
+++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
@@ -50,11 +50,14 @@
static void platform_bgmac_idm_write(struct bgmac *bgmac, u16 offset, u32 value)
{
- return writel(value, bgmac->plat.idm_base + offset);
+ writel(value, bgmac->plat.idm_base + offset);
}
static bool platform_bgmac_clk_enabled(struct bgmac *bgmac)
{
+ if (!bgmac->plat.idm_base)
+ return true;
+
if ((bgmac_idm_read(bgmac, BCMA_IOCTL) & BGMAC_CLK_EN) != BGMAC_CLK_EN)
return false;
if (bgmac_idm_read(bgmac, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
@@ -66,6 +69,9 @@
{
u32 val;
+ if (!bgmac->plat.idm_base)
+ return;
+
/* The Reset Control register only contains a single bit to show if the
* controller is currently in reset. Do a sanity check here, just in
* case the bootloader happened to leave the device in reset.
@@ -180,6 +186,7 @@
bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4;
bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP;
bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP;
+ bgmac->feature_flags |= BGMAC_FEAT_IDM_MASK;
bgmac->dev = &pdev->dev;
bgmac->dma_dev = &pdev->dev;
@@ -207,15 +214,13 @@
return PTR_ERR(bgmac->plat.base);
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base");
- if (!regs) {
- dev_err(&pdev->dev, "Unable to obtain idm resource\n");
- return -EINVAL;
+ if (regs) {
+ bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
+ if (IS_ERR(bgmac->plat.idm_base))
+ return PTR_ERR(bgmac->plat.idm_base);
+ bgmac->feature_flags &= ~BGMAC_FEAT_IDM_MASK;
}
- bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
- if (IS_ERR(bgmac->plat.idm_base))
- return PTR_ERR(bgmac->plat.idm_base);
-
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base");
if (regs) {
bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev,
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index ba4d2e1..48d672b 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -622,9 +622,11 @@
BUILD_BUG_ON(BGMAC_MAX_TX_RINGS > ARRAY_SIZE(ring_base));
BUILD_BUG_ON(BGMAC_MAX_RX_RINGS > ARRAY_SIZE(ring_base));
- if (!(bgmac_idm_read(bgmac, BCMA_IOST) & BCMA_IOST_DMA64)) {
- dev_err(bgmac->dev, "Core does not report 64-bit DMA\n");
- return -ENOTSUPP;
+ if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) {
+ if (!(bgmac_idm_read(bgmac, BCMA_IOST) & BCMA_IOST_DMA64)) {
+ dev_err(bgmac->dev, "Core does not report 64-bit DMA\n");
+ return -ENOTSUPP;
+ }
}
for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
@@ -855,9 +857,11 @@
static void bgmac_miiconfig(struct bgmac *bgmac)
{
if (bgmac->feature_flags & BGMAC_FEAT_FORCE_SPEED_2500) {
- bgmac_idm_write(bgmac, BCMA_IOCTL,
- bgmac_idm_read(bgmac, BCMA_IOCTL) | 0x40 |
- BGMAC_BCMA_IOCTL_SW_CLKEN);
+ if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) {
+ bgmac_idm_write(bgmac, BCMA_IOCTL,
+ bgmac_idm_read(bgmac, BCMA_IOCTL) |
+ 0x40 | BGMAC_BCMA_IOCTL_SW_CLKEN);
+ }
bgmac->mac_speed = SPEED_2500;
bgmac->mac_duplex = DUPLEX_FULL;
bgmac_mac_speed(bgmac);
@@ -874,11 +878,36 @@
}
}
+static void bgmac_chip_reset_idm_config(struct bgmac *bgmac)
+{
+ u32 iost;
+
+ iost = bgmac_idm_read(bgmac, BCMA_IOST);
+ if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED)
+ iost &= ~BGMAC_BCMA_IOST_ATTACHED;
+
+ /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */
+ if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) {
+ u32 flags = 0;
+
+ if (iost & BGMAC_BCMA_IOST_ATTACHED) {
+ flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
+ if (!bgmac->has_robosw)
+ flags |= BGMAC_BCMA_IOCTL_SW_RESET;
+ }
+ bgmac_clk_enable(bgmac, flags);
+ }
+
+ if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw)
+ bgmac_idm_write(bgmac, BCMA_IOCTL,
+ bgmac_idm_read(bgmac, BCMA_IOCTL) &
+ ~BGMAC_BCMA_IOCTL_SW_RESET);
+}
+
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipreset */
static void bgmac_chip_reset(struct bgmac *bgmac)
{
u32 cmdcfg_sr;
- u32 iost;
int i;
if (bgmac_clk_enabled(bgmac)) {
@@ -899,20 +928,8 @@
/* TODO: Clear software multicast filter list */
}
- iost = bgmac_idm_read(bgmac, BCMA_IOST);
- if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED)
- iost &= ~BGMAC_BCMA_IOST_ATTACHED;
-
- /* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */
- if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) {
- u32 flags = 0;
- if (iost & BGMAC_BCMA_IOST_ATTACHED) {
- flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
- if (!bgmac->has_robosw)
- flags |= BGMAC_BCMA_IOCTL_SW_RESET;
- }
- bgmac_clk_enable(bgmac, flags);
- }
+ if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK))
+ bgmac_chip_reset_idm_config(bgmac);
/* Request Misc PLL for corerev > 2 */
if (bgmac->feature_flags & BGMAC_FEAT_MISC_PLL_REQ) {
@@ -970,11 +987,6 @@
BGMAC_CHIPCTL_7_IF_TYPE_RGMII);
}
- if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw)
- bgmac_idm_write(bgmac, BCMA_IOCTL,
- bgmac_idm_read(bgmac, BCMA_IOCTL) &
- ~BGMAC_BCMA_IOCTL_SW_RESET);
-
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_reset
* Specs don't say about using BGMAC_CMDCFG_SR, but in this routine
* BGMAC_CMDCFG is read _after_ putting chip in a reset. So it has to
@@ -1497,8 +1509,10 @@
bgmac_clk_enable(bgmac, 0);
/* This seems to be fixing IRQ by assigning OOB #6 to the core */
- if (bgmac->feature_flags & BGMAC_FEAT_IRQ_ID_OOB_6)
- bgmac_idm_write(bgmac, BCMA_OOB_SEL_OUT_A30, 0x86);
+ if (!(bgmac->feature_flags & BGMAC_FEAT_IDM_MASK)) {
+ if (bgmac->feature_flags & BGMAC_FEAT_IRQ_ID_OOB_6)
+ bgmac_idm_write(bgmac, BCMA_OOB_SEL_OUT_A30, 0x86);
+ }
bgmac_chip_reset(bgmac);
diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index c181876..443d57b 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -425,6 +425,7 @@
#define BGMAC_FEAT_CC4_IF_SW_TYPE BIT(17)
#define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII BIT(18)
#define BGMAC_FEAT_CC7_IF_TYPE_RGMII BIT(19)
+#define BGMAC_FEAT_IDM_MASK BIT(20)
struct bgmac_slot_info {
union {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 4342374..1e33abd 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -2886,7 +2886,7 @@
static int bnx2x_test_nvram(struct bnx2x *bp)
{
- const struct crc_pair nvram_tbl[] = {
+ static const struct crc_pair nvram_tbl[] = {
{ 0, 0x14 }, /* bootstrap */
{ 0x14, 0xec }, /* dir */
{ 0x100, 0x350 }, /* manuf_info */
@@ -2895,7 +2895,7 @@
{ 0x708, 0x70 }, /* manuf_key_info */
{ 0, 0 }
};
- const struct crc_pair nvram_tbl2[] = {
+ static const struct crc_pair nvram_tbl2[] = {
{ 0x7e8, 0x350 }, /* manuf_info2 */
{ 0xb38, 0xf0 }, /* feature_info */
{ 0, 0 }
@@ -3162,7 +3162,8 @@
if (is_multi(bp)) {
for_each_eth_queue(bp, i) {
memset(queue_name, 0, sizeof(queue_name));
- sprintf(queue_name, "%d", i);
+ snprintf(queue_name, sizeof(queue_name),
+ "%d", i);
for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
snprintf(buf + (k + j)*ETH_GSTRING_LEN,
ETH_GSTRING_LEN,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e7c8539..f20b3d2 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4647,7 +4647,6 @@
pf->port_id = le16_to_cpu(resp->port_id);
bp->dev->dev_port = pf->port_id;
memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN);
- memcpy(bp->dev->dev_addr, pf->mac_addr, ETH_ALEN);
pf->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
pf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
pf->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
@@ -4687,16 +4686,6 @@
vf->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
memcpy(vf->mac_addr, resp->mac_address, ETH_ALEN);
- mutex_unlock(&bp->hwrm_cmd_lock);
-
- if (is_valid_ether_addr(vf->mac_addr)) {
- /* overwrite netdev dev_adr with admin VF MAC */
- memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN);
- } else {
- eth_hw_addr_random(bp->dev);
- rc = bnxt_approve_mac(bp, bp->dev->dev_addr);
- }
- return rc;
#endif
}
@@ -7152,6 +7141,7 @@
bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
netdev_reset_tc(dev);
}
+ bp->tx_nr_rings += bp->tx_nr_rings_xdp;
bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
bp->tx_nr_rings + bp->rx_nr_rings;
bp->num_stat_ctxs = bp->cp_nr_rings;
@@ -7661,6 +7651,28 @@
bnxt_subtract_ulp_resources(bp, BNXT_ROCE_ULP);
}
+static int bnxt_init_mac_addr(struct bnxt *bp)
+{
+ int rc = 0;
+
+ if (BNXT_PF(bp)) {
+ memcpy(bp->dev->dev_addr, bp->pf.mac_addr, ETH_ALEN);
+ } else {
+#ifdef CONFIG_BNXT_SRIOV
+ struct bnxt_vf_info *vf = &bp->vf;
+
+ if (is_valid_ether_addr(vf->mac_addr)) {
+ /* overwrite netdev dev_adr with admin VF MAC */
+ memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN);
+ } else {
+ eth_hw_addr_random(bp->dev);
+ rc = bnxt_approve_mac(bp, bp->dev->dev_addr);
+ }
+#endif
+ }
+ return rc;
+}
+
static void bnxt_parse_log_pcie_link(struct bnxt *bp)
{
enum pcie_link_width width = PCIE_LNK_WIDTH_UNKNOWN;
@@ -7789,7 +7801,12 @@
rc = -1;
goto init_err_pci_clean;
}
-
+ rc = bnxt_init_mac_addr(bp);
+ if (rc) {
+ dev_err(&pdev->dev, "Unable to initialize mac address.\n");
+ rc = -EADDRNOTAVAIL;
+ goto init_err_pci_clean;
+ }
rc = bnxt_hwrm_queue_qportcfg(bp);
if (rc) {
netdev_err(bp->dev, "hwrm query qportcfg failure rc: %x\n",
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 77da75a..997e10e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -84,6 +84,8 @@
max_stat_ctxs = bnxt_get_max_func_stat_ctxs(bp);
bnxt_set_max_func_stat_ctxs(bp, max_stat_ctxs + 1);
+ if (ulp->msix_requested)
+ edev->en_ops->bnxt_free_msix(edev, ulp_id);
}
if (ulp->max_async_event_id)
bnxt_hwrm_func_rgtr_async_events(bp, NULL, 0);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index daca1c9..fea3f9a 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1202,12 +1202,21 @@
return tx_cb_ptr;
}
-/* Simple helper to free a control block's resources */
-static void bcmgenet_free_cb(struct enet_cb *cb)
+static struct enet_cb *bcmgenet_put_txcb(struct bcmgenet_priv *priv,
+ struct bcmgenet_tx_ring *ring)
{
- dev_kfree_skb_any(cb->skb);
- cb->skb = NULL;
- dma_unmap_addr_set(cb, dma_addr, 0);
+ struct enet_cb *tx_cb_ptr;
+
+ tx_cb_ptr = ring->cbs;
+ tx_cb_ptr += ring->write_ptr - ring->cb_ptr;
+
+ /* Rewinding local write pointer */
+ if (ring->write_ptr == ring->cb_ptr)
+ ring->write_ptr = ring->end_ptr;
+ else
+ ring->write_ptr--;
+
+ return tx_cb_ptr;
}
static inline void bcmgenet_rx_ring16_int_disable(struct bcmgenet_rx_ring *ring)
@@ -1260,18 +1269,72 @@
INTRL2_CPU_MASK_SET);
}
+/* Simple helper to free a transmit control block's resources
+ * Returns an skb when the last transmit control block associated with the
+ * skb is freed. The skb should be freed by the caller if necessary.
+ */
+static struct sk_buff *bcmgenet_free_tx_cb(struct device *dev,
+ struct enet_cb *cb)
+{
+ struct sk_buff *skb;
+
+ skb = cb->skb;
+
+ if (skb) {
+ cb->skb = NULL;
+ if (cb == GENET_CB(skb)->first_cb)
+ dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr),
+ dma_unmap_len(cb, dma_len),
+ DMA_TO_DEVICE);
+ else
+ dma_unmap_page(dev, dma_unmap_addr(cb, dma_addr),
+ dma_unmap_len(cb, dma_len),
+ DMA_TO_DEVICE);
+ dma_unmap_addr_set(cb, dma_addr, 0);
+
+ if (cb == GENET_CB(skb)->last_cb)
+ return skb;
+
+ } else if (dma_unmap_addr(cb, dma_addr)) {
+ dma_unmap_page(dev,
+ dma_unmap_addr(cb, dma_addr),
+ dma_unmap_len(cb, dma_len),
+ DMA_TO_DEVICE);
+ dma_unmap_addr_set(cb, dma_addr, 0);
+ }
+
+ return 0;
+}
+
+/* Simple helper to free a receive control block's resources */
+static struct sk_buff *bcmgenet_free_rx_cb(struct device *dev,
+ struct enet_cb *cb)
+{
+ struct sk_buff *skb;
+
+ skb = cb->skb;
+ cb->skb = NULL;
+
+ if (dma_unmap_addr(cb, dma_addr)) {
+ dma_unmap_single(dev, dma_unmap_addr(cb, dma_addr),
+ dma_unmap_len(cb, dma_len), DMA_FROM_DEVICE);
+ dma_unmap_addr_set(cb, dma_addr, 0);
+ }
+
+ return skb;
+}
+
/* Unlocked version of the reclaim routine */
static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev,
struct bcmgenet_tx_ring *ring)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
- struct device *kdev = &priv->pdev->dev;
- struct enet_cb *tx_cb_ptr;
- unsigned int pkts_compl = 0;
- unsigned int bytes_compl = 0;
- unsigned int c_index;
- unsigned int txbds_ready;
unsigned int txbds_processed = 0;
+ unsigned int bytes_compl = 0;
+ unsigned int pkts_compl = 0;
+ unsigned int txbds_ready;
+ unsigned int c_index;
+ struct sk_buff *skb;
/* Clear status before servicing to reduce spurious interrupts */
if (ring->index == DESC_INDEX)
@@ -1292,21 +1355,12 @@
/* Reclaim transmitted buffers */
while (txbds_processed < txbds_ready) {
- tx_cb_ptr = &priv->tx_cbs[ring->clean_ptr];
- if (tx_cb_ptr->skb) {
+ skb = bcmgenet_free_tx_cb(&priv->pdev->dev,
+ &priv->tx_cbs[ring->clean_ptr]);
+ if (skb) {
pkts_compl++;
- bytes_compl += GENET_CB(tx_cb_ptr->skb)->bytes_sent;
- dma_unmap_single(kdev,
- dma_unmap_addr(tx_cb_ptr, dma_addr),
- dma_unmap_len(tx_cb_ptr, dma_len),
- DMA_TO_DEVICE);
- bcmgenet_free_cb(tx_cb_ptr);
- } else if (dma_unmap_addr(tx_cb_ptr, dma_addr)) {
- dma_unmap_page(kdev,
- dma_unmap_addr(tx_cb_ptr, dma_addr),
- dma_unmap_len(tx_cb_ptr, dma_len),
- DMA_TO_DEVICE);
- dma_unmap_addr_set(tx_cb_ptr, dma_addr, 0);
+ bytes_compl += GENET_CB(skb)->bytes_sent;
+ dev_consume_skb_any(skb);
}
txbds_processed++;
@@ -1380,95 +1434,6 @@
bcmgenet_tx_reclaim(dev, &priv->tx_rings[DESC_INDEX]);
}
-/* Transmits a single SKB (either head of a fragment or a single SKB)
- * caller must hold priv->lock
- */
-static int bcmgenet_xmit_single(struct net_device *dev,
- struct sk_buff *skb,
- u16 dma_desc_flags,
- struct bcmgenet_tx_ring *ring)
-{
- struct bcmgenet_priv *priv = netdev_priv(dev);
- struct device *kdev = &priv->pdev->dev;
- struct enet_cb *tx_cb_ptr;
- unsigned int skb_len;
- dma_addr_t mapping;
- u32 length_status;
- int ret;
-
- tx_cb_ptr = bcmgenet_get_txcb(priv, ring);
-
- if (unlikely(!tx_cb_ptr))
- BUG();
-
- tx_cb_ptr->skb = skb;
-
- skb_len = skb_headlen(skb);
-
- mapping = dma_map_single(kdev, skb->data, skb_len, DMA_TO_DEVICE);
- ret = dma_mapping_error(kdev, mapping);
- if (ret) {
- priv->mib.tx_dma_failed++;
- netif_err(priv, tx_err, dev, "Tx DMA map failed\n");
- dev_kfree_skb(skb);
- return ret;
- }
-
- dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping);
- dma_unmap_len_set(tx_cb_ptr, dma_len, skb_len);
- length_status = (skb_len << DMA_BUFLENGTH_SHIFT) | dma_desc_flags |
- (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT) |
- DMA_TX_APPEND_CRC;
-
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- length_status |= DMA_TX_DO_CSUM;
-
- dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, length_status);
-
- return 0;
-}
-
-/* Transmit a SKB fragment */
-static int bcmgenet_xmit_frag(struct net_device *dev,
- skb_frag_t *frag,
- u16 dma_desc_flags,
- struct bcmgenet_tx_ring *ring)
-{
- struct bcmgenet_priv *priv = netdev_priv(dev);
- struct device *kdev = &priv->pdev->dev;
- struct enet_cb *tx_cb_ptr;
- unsigned int frag_size;
- dma_addr_t mapping;
- int ret;
-
- tx_cb_ptr = bcmgenet_get_txcb(priv, ring);
-
- if (unlikely(!tx_cb_ptr))
- BUG();
-
- tx_cb_ptr->skb = NULL;
-
- frag_size = skb_frag_size(frag);
-
- mapping = skb_frag_dma_map(kdev, frag, 0, frag_size, DMA_TO_DEVICE);
- ret = dma_mapping_error(kdev, mapping);
- if (ret) {
- priv->mib.tx_dma_failed++;
- netif_err(priv, tx_err, dev, "%s: Tx DMA map failed\n",
- __func__);
- return ret;
- }
-
- dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping);
- dma_unmap_len_set(tx_cb_ptr, dma_len, frag_size);
-
- dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping,
- (frag_size << DMA_BUFLENGTH_SHIFT) | dma_desc_flags |
- (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT));
-
- return 0;
-}
-
/* Reallocate the SKB to put enough headroom in front of it and insert
* the transmit checksum offsets in the descriptors
*/
@@ -1535,11 +1500,16 @@
static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct device *kdev = &priv->pdev->dev;
struct bcmgenet_tx_ring *ring = NULL;
+ struct enet_cb *tx_cb_ptr;
struct netdev_queue *txq;
unsigned long flags = 0;
int nr_frags, index;
- u16 dma_desc_flags;
+ dma_addr_t mapping;
+ unsigned int size;
+ skb_frag_t *frag;
+ u32 len_stat;
int ret;
int i;
@@ -1592,29 +1562,53 @@
}
}
- dma_desc_flags = DMA_SOP;
- if (nr_frags == 0)
- dma_desc_flags |= DMA_EOP;
+ for (i = 0; i <= nr_frags; i++) {
+ tx_cb_ptr = bcmgenet_get_txcb(priv, ring);
- /* Transmit single SKB or head of fragment list */
- ret = bcmgenet_xmit_single(dev, skb, dma_desc_flags, ring);
- if (ret) {
- ret = NETDEV_TX_OK;
- goto out;
- }
+ if (unlikely(!tx_cb_ptr))
+ BUG();
- /* xmit fragment */
- for (i = 0; i < nr_frags; i++) {
- ret = bcmgenet_xmit_frag(dev,
- &skb_shinfo(skb)->frags[i],
- (i == nr_frags - 1) ? DMA_EOP : 0,
- ring);
- if (ret) {
- ret = NETDEV_TX_OK;
- goto out;
+ if (!i) {
+ /* Transmit single SKB or head of fragment list */
+ GENET_CB(skb)->first_cb = tx_cb_ptr;
+ size = skb_headlen(skb);
+ mapping = dma_map_single(kdev, skb->data, size,
+ DMA_TO_DEVICE);
+ } else {
+ /* xmit fragment */
+ frag = &skb_shinfo(skb)->frags[i - 1];
+ size = skb_frag_size(frag);
+ mapping = skb_frag_dma_map(kdev, frag, 0, size,
+ DMA_TO_DEVICE);
}
+
+ ret = dma_mapping_error(kdev, mapping);
+ if (ret) {
+ priv->mib.tx_dma_failed++;
+ netif_err(priv, tx_err, dev, "Tx DMA map failed\n");
+ ret = NETDEV_TX_OK;
+ goto out_unmap_frags;
+ }
+ dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping);
+ dma_unmap_len_set(tx_cb_ptr, dma_len, size);
+
+ tx_cb_ptr->skb = skb;
+
+ len_stat = (size << DMA_BUFLENGTH_SHIFT) |
+ (priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT);
+
+ if (!i) {
+ len_stat |= DMA_TX_APPEND_CRC | DMA_SOP;
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ len_stat |= DMA_TX_DO_CSUM;
+ }
+ if (i == nr_frags)
+ len_stat |= DMA_EOP;
+
+ dmadesc_set(priv, tx_cb_ptr->bd_addr, mapping, len_stat);
}
+ GENET_CB(skb)->last_cb = tx_cb_ptr;
skb_tx_timestamp(skb);
/* Decrement total BD count and advance our write pointer */
@@ -1635,6 +1629,19 @@
spin_unlock_irqrestore(&ring->lock, flags);
return ret;
+
+out_unmap_frags:
+ /* Back up for failed control block mapping */
+ bcmgenet_put_txcb(priv, ring);
+
+ /* Unmap successfully mapped control blocks */
+ while (i-- > 0) {
+ tx_cb_ptr = bcmgenet_put_txcb(priv, ring);
+ bcmgenet_free_tx_cb(kdev, tx_cb_ptr);
+ }
+
+ dev_kfree_skb(skb);
+ goto out;
}
static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv,
@@ -1666,14 +1673,12 @@
}
/* Grab the current Rx skb from the ring and DMA-unmap it */
- rx_skb = cb->skb;
- if (likely(rx_skb))
- dma_unmap_single(kdev, dma_unmap_addr(cb, dma_addr),
- priv->rx_buf_len, DMA_FROM_DEVICE);
+ rx_skb = bcmgenet_free_rx_cb(kdev, cb);
/* Put the new Rx skb on the ring */
cb->skb = skb;
dma_unmap_addr_set(cb, dma_addr, mapping);
+ dma_unmap_len_set(cb, dma_len, priv->rx_buf_len);
dmadesc_set_addr(priv, cb->bd_addr, mapping);
/* Return the current Rx skb to caller */
@@ -1870,7 +1875,7 @@
cb = ring->cbs + i;
skb = bcmgenet_rx_refill(priv, cb);
if (skb)
- dev_kfree_skb_any(skb);
+ dev_consume_skb_any(skb);
if (!cb->skb)
return -ENOMEM;
}
@@ -1880,22 +1885,16 @@
static void bcmgenet_free_rx_buffers(struct bcmgenet_priv *priv)
{
- struct device *kdev = &priv->pdev->dev;
+ struct sk_buff *skb;
struct enet_cb *cb;
int i;
for (i = 0; i < priv->num_rx_bds; i++) {
cb = &priv->rx_cbs[i];
- if (dma_unmap_addr(cb, dma_addr)) {
- dma_unmap_single(kdev,
- dma_unmap_addr(cb, dma_addr),
- priv->rx_buf_len, DMA_FROM_DEVICE);
- dma_unmap_addr_set(cb, dma_addr, 0);
- }
-
- if (cb->skb)
- bcmgenet_free_cb(cb);
+ skb = bcmgenet_free_rx_cb(&priv->pdev->dev, cb);
+ if (skb)
+ dev_consume_skb_any(skb);
}
}
@@ -2479,8 +2478,10 @@
static void bcmgenet_fini_dma(struct bcmgenet_priv *priv)
{
- int i;
struct netdev_queue *txq;
+ struct sk_buff *skb;
+ struct enet_cb *cb;
+ int i;
bcmgenet_fini_rx_napi(priv);
bcmgenet_fini_tx_napi(priv);
@@ -2489,10 +2490,10 @@
bcmgenet_dma_teardown(priv);
for (i = 0; i < priv->num_tx_bds; i++) {
- if (priv->tx_cbs[i].skb != NULL) {
- dev_kfree_skb(priv->tx_cbs[i].skb);
- priv->tx_cbs[i].skb = NULL;
- }
+ cb = priv->tx_cbs + i;
+ skb = bcmgenet_free_tx_cb(&priv->pdev->dev, cb);
+ if (skb)
+ dev_kfree_skb(skb);
}
for (i = 0; i < priv->hw_params->tx_queues; i++) {
@@ -3668,7 +3669,7 @@
phy_init_hw(priv->phydev);
/* Speed settings must be restored */
- bcmgenet_mii_config(priv->dev);
+ bcmgenet_mii_config(priv->dev, false);
/* disable ethernet MAC while updating its registers */
umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, false);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index efd0702..3a34fdb 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -544,6 +544,8 @@
};
struct bcmgenet_skb_cb {
+ struct enet_cb *first_cb; /* First control block of SKB */
+ struct enet_cb *last_cb; /* Last control block of SKB */
unsigned int bytes_sent; /* bytes on the wire (no TSB) */
};
@@ -696,7 +698,7 @@
/* MDIO routines */
int bcmgenet_mii_init(struct net_device *dev);
-int bcmgenet_mii_config(struct net_device *dev);
+int bcmgenet_mii_config(struct net_device *dev, bool init);
int bcmgenet_mii_probe(struct net_device *dev);
void bcmgenet_mii_exit(struct net_device *dev);
void bcmgenet_mii_reset(struct net_device *dev);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 071fcbd..30cb97b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -238,7 +238,7 @@
bcmgenet_fixed_phy_link_update);
}
-int bcmgenet_mii_config(struct net_device *dev)
+int bcmgenet_mii_config(struct net_device *dev, bool init)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct phy_device *phydev = priv->phydev;
@@ -327,7 +327,8 @@
bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL);
}
- dev_info_once(kdev, "configuring instance for %s\n", phy_name);
+ if (init)
+ dev_info(kdev, "configuring instance for %s\n", phy_name);
return 0;
}
@@ -375,7 +376,7 @@
* PHY speed which is needed for bcmgenet_mii_config() to configure
* things appropriately.
*/
- ret = bcmgenet_mii_config(dev);
+ ret = bcmgenet_mii_config(dev, true);
if (ret) {
phy_disconnect(priv->phydev);
return ret;
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index 28ecda3..ebd353b 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -335,7 +335,7 @@
static int lio_get_eeprom_len(struct net_device *netdev)
{
- u8 buf[128];
+ u8 buf[192];
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
struct octeon_board_info *board_info;
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index a0ca68c..5e5c4d7 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -292,11 +292,30 @@
u64 cmr_cfg;
u64 port_cfg = 0;
u64 misc_ctl = 0;
+ bool tx_en, rx_en;
cmr_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_CMRX_CFG);
- cmr_cfg &= ~CMR_EN;
+ tx_en = cmr_cfg & CMR_PKT_TX_EN;
+ rx_en = cmr_cfg & CMR_PKT_RX_EN;
+ cmr_cfg &= ~(CMR_PKT_RX_EN | CMR_PKT_TX_EN);
bgx_reg_write(bgx, lmac->lmacid, BGX_CMRX_CFG, cmr_cfg);
+ /* Wait for BGX RX to be idle */
+ if (bgx_poll_reg(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG,
+ GMI_PORT_CFG_RX_IDLE, false)) {
+ dev_err(&bgx->pdev->dev, "BGX%d LMAC%d GMI RX not idle\n",
+ bgx->bgx_id, lmac->lmacid);
+ return;
+ }
+
+ /* Wait for BGX TX to be idle */
+ if (bgx_poll_reg(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG,
+ GMI_PORT_CFG_TX_IDLE, false)) {
+ dev_err(&bgx->pdev->dev, "BGX%d LMAC%d GMI TX not idle\n",
+ bgx->bgx_id, lmac->lmacid);
+ return;
+ }
+
port_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG);
misc_ctl = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_PCS_MISCX_CTL);
@@ -347,10 +366,8 @@
bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_PCS_MISCX_CTL, misc_ctl);
bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG, port_cfg);
- port_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG);
-
- /* Re-enable lmac */
- cmr_cfg |= CMR_EN;
+ /* Restore CMR config settings */
+ cmr_cfg |= (rx_en ? CMR_PKT_RX_EN : 0) | (tx_en ? CMR_PKT_TX_EN : 0);
bgx_reg_write(bgx, lmac->lmacid, BGX_CMRX_CFG, cmr_cfg);
if (bgx->is_rgx && (cmr_cfg & (CMR_PKT_RX_EN | CMR_PKT_TX_EN)))
@@ -1008,7 +1025,7 @@
{
struct device *dev = &bgx->pdev->dev;
struct lmac *lmac;
- char str[20];
+ char str[27];
if (!bgx->is_dlm && lmacid)
return;
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
index 6b7fe6fd..23acdc5 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
@@ -170,6 +170,8 @@
#define GMI_PORT_CFG_DUPLEX BIT_ULL(2)
#define GMI_PORT_CFG_SLOT_TIME BIT_ULL(3)
#define GMI_PORT_CFG_SPEED_MSB BIT_ULL(8)
+#define GMI_PORT_CFG_RX_IDLE BIT_ULL(12)
+#define GMI_PORT_CFG_TX_IDLE BIT_ULL(13)
#define BGX_GMP_GMI_RXX_JABBER 0x38038
#define BGX_GMP_GMI_TXX_THRESH 0x38210
#define BGX_GMP_GMI_TXX_APPEND 0x38218
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index ef4be78..09ea62e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -529,6 +529,7 @@
USING_SOFT_PARAMS = (1 << 6),
MASTER_PF = (1 << 7),
FW_OFLD_CONN = (1 << 9),
+ ROOT_NO_RELAXED_ORDERING = (1 << 10),
};
enum {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index e403fa1..33bb867 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4654,11 +4654,6 @@
dev->name, adap->params.vpd.id, adap->name, buf);
}
-static void enable_pcie_relaxed_ordering(struct pci_dev *dev)
-{
- pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN);
-}
-
/*
* Free the following resources:
* - memory used for tables
@@ -4908,7 +4903,6 @@
}
pci_enable_pcie_error_reporting(pdev);
- enable_pcie_relaxed_ordering(pdev);
pci_set_master(pdev);
pci_save_state(pdev);
@@ -4947,6 +4941,23 @@
adapter->msg_enable = DFLT_MSG_ENABLE;
memset(adapter->chan_map, 0xff, sizeof(adapter->chan_map));
+ /* If possible, we use PCIe Relaxed Ordering Attribute to deliver
+ * Ingress Packet Data to Free List Buffers in order to allow for
+ * chipset performance optimizations between the Root Complex and
+ * Memory Controllers. (Messages to the associated Ingress Queue
+ * notifying new Packet Placement in the Free Lists Buffers will be
+ * send without the Relaxed Ordering Attribute thus guaranteeing that
+ * all preceding PCIe Transaction Layer Packets will be processed
+ * first.) But some Root Complexes have various issues with Upstream
+ * Transaction Layer Packets with the Relaxed Ordering Attribute set.
+ * The PCIe devices which under the Root Complexes will be cleared the
+ * Relaxed Ordering bit in the configuration space, So we check our
+ * PCIe configuration space to see if it's flagged with advice against
+ * using Relaxed Ordering.
+ */
+ if (!pcie_relaxed_ordering_enabled(pdev))
+ adapter->flags |= ROOT_NO_RELAXED_ORDERING;
+
spin_lock_init(&adapter->stats_lock);
spin_lock_init(&adapter->tid_release_lock);
spin_lock_init(&adapter->win0_lock);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
index 50517cf..9f9d6ca 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
@@ -441,7 +441,8 @@
adapter->ptp_clock = ptp_clock_register(&adapter->ptp_clock_info,
&adapter->pdev->dev);
- if (!adapter->ptp_clock) {
+ if (IS_ERR_OR_NULL(adapter->ptp_clock)) {
+ adapter->ptp_clock = NULL;
dev_err(adapter->pdev_dev,
"PTP %s Clock registration has failed\n", __func__);
return;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index ede1220..4ef68f6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2719,6 +2719,7 @@
struct fw_iq_cmd c;
struct sge *s = &adap->sge;
struct port_info *pi = netdev_priv(dev);
+ int relaxed = !(adap->flags & ROOT_NO_RELAXED_ORDERING);
/* Size needs to be multiple of 16, including status entry. */
iq->size = roundup(iq->size, 16);
@@ -2772,8 +2773,8 @@
flsz = fl->size / 8 + s->stat_len / sizeof(struct tx_desc);
c.iqns_to_fl0congen |= htonl(FW_IQ_CMD_FL0PACKEN_F |
- FW_IQ_CMD_FL0FETCHRO_F |
- FW_IQ_CMD_FL0DATARO_F |
+ FW_IQ_CMD_FL0FETCHRO_V(relaxed) |
+ FW_IQ_CMD_FL0DATARO_V(relaxed) |
FW_IQ_CMD_FL0PADEN_F);
if (cong >= 0)
c.iqns_to_fl0congen |=
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 82bf7aa..0293b41 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -369,12 +369,12 @@
list_del(&entry.list);
spin_unlock(&adap->mbox_lock);
ret = (v == MBOX_OWNER_FW) ? -EBUSY : -ETIMEDOUT;
- t4_record_mbox(adap, cmd, MBOX_LEN, access, ret);
+ t4_record_mbox(adap, cmd, size, access, ret);
return ret;
}
/* Copy in the new mailbox command and send it on its way ... */
- t4_record_mbox(adap, cmd, MBOX_LEN, access, 0);
+ t4_record_mbox(adap, cmd, size, access, 0);
for (i = 0; i < size; i += 8)
t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p++));
@@ -426,7 +426,7 @@
}
ret = (pcie_fw & PCIE_FW_ERR_F) ? -ENXIO : -ETIMEDOUT;
- t4_record_mbox(adap, cmd, MBOX_LEN, access, ret);
+ t4_record_mbox(adap, cmd, size, access, ret);
dev_err(adap->pdev_dev, "command %#x in mailbox %d timed out\n",
*(const u8 *)cmd, mbox);
t4_report_fw_error(adap);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
index 99987d8..aa28299 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
@@ -174,6 +174,8 @@
CH_PCI_ID_TABLE_FENTRY(0x50a0), /* Custom T540-CR */
CH_PCI_ID_TABLE_FENTRY(0x50a1), /* Custom T540-CR */
CH_PCI_ID_TABLE_FENTRY(0x50a2), /* Custom T540-KR4 */
+ CH_PCI_ID_TABLE_FENTRY(0x50a3), /* Custom T580-KR4 */
+ CH_PCI_ID_TABLE_FENTRY(0x50a4), /* Custom 2x T540-CR */
/* T6 adapters:
*/
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
index 109bc63..08c6ddb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
@@ -408,6 +408,7 @@
USING_MSI = (1UL << 1),
USING_MSIX = (1UL << 2),
QUEUES_BOUND = (1UL << 3),
+ ROOT_NO_RELAXED_ORDERING = (1UL << 4),
};
/*
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index ac7a150..2b85b87 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2888,6 +2888,24 @@
*/
adapter->name = pci_name(pdev);
adapter->msg_enable = DFLT_MSG_ENABLE;
+
+ /* If possible, we use PCIe Relaxed Ordering Attribute to deliver
+ * Ingress Packet Data to Free List Buffers in order to allow for
+ * chipset performance optimizations between the Root Complex and
+ * Memory Controllers. (Messages to the associated Ingress Queue
+ * notifying new Packet Placement in the Free Lists Buffers will be
+ * send without the Relaxed Ordering Attribute thus guaranteeing that
+ * all preceding PCIe Transaction Layer Packets will be processed
+ * first.) But some Root Complexes have various issues with Upstream
+ * Transaction Layer Packets with the Relaxed Ordering Attribute set.
+ * The PCIe devices which under the Root Complexes will be cleared the
+ * Relaxed Ordering bit in the configuration space, So we check our
+ * PCIe configuration space to see if it's flagged with advice against
+ * using Relaxed Ordering.
+ */
+ if (!pcie_relaxed_ordering_enabled(pdev))
+ adapter->flags |= ROOT_NO_RELAXED_ORDERING;
+
err = adap_init0(adapter);
if (err)
goto err_unmap_bar;
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index e37dde2..05498e7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -2205,6 +2205,7 @@
struct port_info *pi = netdev_priv(dev);
struct fw_iq_cmd cmd, rpl;
int ret, iqandst, flsz = 0;
+ int relaxed = !(adapter->flags & ROOT_NO_RELAXED_ORDERING);
/*
* If we're using MSI interrupts and we're not initializing the
@@ -2300,6 +2301,8 @@
cpu_to_be32(
FW_IQ_CMD_FL0HOSTFCMODE_V(SGE_HOSTFCMODE_NONE) |
FW_IQ_CMD_FL0PACKEN_F |
+ FW_IQ_CMD_FL0FETCHRO_V(relaxed) |
+ FW_IQ_CMD_FL0DATARO_V(relaxed) |
FW_IQ_CMD_FL0PADEN_F);
/* In T6, for egress queue type FL there is internal overhead
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 95bf5e8..59da7ac 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -125,7 +125,7 @@
iowrite32(maccr, priv->base + FTGMAC100_OFFSET_MACCR);
iowrite32(maccr | FTGMAC100_MACCR_SW_RST,
priv->base + FTGMAC100_OFFSET_MACCR);
- for (i = 0; i < 50; i++) {
+ for (i = 0; i < 200; i++) {
unsigned int maccr;
maccr = ioread32(priv->base + FTGMAC100_OFFSET_MACCR);
@@ -392,7 +392,7 @@
struct net_device *netdev = priv->netdev;
struct sk_buff *skb;
dma_addr_t map;
- int err;
+ int err = 0;
skb = netdev_alloc_skb_ip_align(netdev, RX_BUF_SIZE);
if (unlikely(!skb)) {
@@ -428,7 +428,7 @@
else
rxdes->rxdes0 = 0;
- return 0;
+ return err;
}
static unsigned int ftgmac100_next_rx_pointer(struct ftgmac100 *priv,
@@ -1682,6 +1682,7 @@
priv->mii_bus->name = "ftgmac100_mdio";
snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%d",
pdev->name, pdev->id);
+ priv->mii_bus->parent = priv->dev;
priv->mii_bus->priv = priv->netdev;
priv->mii_bus->read = ftgmac100_mdiobus_read;
priv->mii_bus->write = ftgmac100_mdiobus_write;
@@ -1862,7 +1863,6 @@
err_ioremap:
release_resource(priv->res);
err_req_mem:
- netif_napi_del(&priv->napi);
free_netdev(netdev);
err_alloc_etherdev:
return err;
diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c
index 6e67d22..1c7da16 100644
--- a/drivers/net/ethernet/freescale/fman/mac.c
+++ b/drivers/net/ethernet/freescale/fman/mac.c
@@ -623,6 +623,8 @@
goto no_mem;
}
+ pdev->dev.of_node = node;
+ pdev->dev.parent = priv->dev;
set_dma_ops(&pdev->dev, get_dma_ops(priv->dev));
ret = platform_device_add_data(pdev, &data, sizeof(data));
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
index ff864a1..a37166e 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c
@@ -776,8 +776,9 @@
assert(handle);
mac_cb = hns_get_mac_cb(handle);
- if (!mac_cb->cpld_ctrl)
+ if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
return;
+
hns_set_led_opt(mac_cb);
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index 7a8addd..408b63f 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
@@ -53,6 +53,34 @@
return ret;
}
+static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type,
+ u32 link, u32 port, u32 act)
+{
+ union acpi_object *obj;
+ union acpi_object obj_args[3], argv4;
+
+ obj_args[0].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[0].integer.value = link;
+ obj_args[1].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[1].integer.value = port;
+ obj_args[2].integer.type = ACPI_TYPE_INTEGER;
+ obj_args[2].integer.value = act;
+
+ argv4.type = ACPI_TYPE_PACKAGE;
+ argv4.package.count = 3;
+ argv4.package.elements = obj_args;
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
+ &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
+ if (!obj) {
+ dev_warn(mac_cb->dev, "ledctrl fail, link:%d port:%d act:%d!\n",
+ link, port, act);
+ return;
+ }
+
+ ACPI_FREE(obj);
+}
+
static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
u16 speed, int data)
{
@@ -93,6 +121,18 @@
}
}
+static void hns_cpld_set_led_acpi(struct hns_mac_cb *mac_cb, int link_status,
+ u16 speed, int data)
+{
+ if (!mac_cb) {
+ pr_err("cpld_led_set mac_cb is null!\n");
+ return;
+ }
+
+ hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
+ link_status, mac_cb->mac_id, data);
+}
+
static void cpld_led_reset(struct hns_mac_cb *mac_cb)
{
if (!mac_cb || !mac_cb->cpld_ctrl)
@@ -103,6 +143,20 @@
mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
}
+static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb)
+{
+ if (!mac_cb) {
+ pr_err("cpld_led_reset mac_cb is null!\n");
+ return;
+ }
+
+ if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
+ return;
+
+ hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
+ 0, mac_cb->mac_id, 0);
+}
+
static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
enum hnae_led_state status)
{
@@ -604,8 +658,8 @@
misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
} else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
- misc_op->cpld_set_led = hns_cpld_set_led;
- misc_op->cpld_reset_led = cpld_led_reset;
+ misc_op->cpld_set_led = hns_cpld_set_led_acpi;
+ misc_op->cpld_reset_led = cpld_led_reset_acpi;
misc_op->cpld_set_led_id = cpld_set_led_id;
misc_op->dsaf_reset = hns_dsaf_rst_acpi;
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index a3e6946..c45e8e3 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -111,6 +111,7 @@
static void send_request_unmap(struct ibmvnic_adapter *, u8);
static void send_login(struct ibmvnic_adapter *adapter);
static void send_cap_queries(struct ibmvnic_adapter *adapter);
+static int init_sub_crqs(struct ibmvnic_adapter *);
static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter);
static int ibmvnic_init(struct ibmvnic_adapter *);
static void release_crq_queue(struct ibmvnic_adapter *);
@@ -651,6 +652,7 @@
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
unsigned long timeout = msecs_to_jiffies(30000);
struct device *dev = &adapter->vdev->dev;
+ int rc;
do {
if (adapter->renegotiate) {
@@ -664,6 +666,18 @@
dev_err(dev, "Capabilities query timeout\n");
return -1;
}
+ rc = init_sub_crqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's failed\n");
+ return -1;
+ }
+ rc = init_sub_crq_irqs(adapter);
+ if (rc) {
+ dev_err(dev,
+ "Initialization of SCRQ's irqs failed\n");
+ return -1;
+ }
}
reinit_completion(&adapter->init_done);
@@ -3004,7 +3018,6 @@
*req_value,
(long int)be64_to_cpu(crq->request_capability_rsp.
number), name);
- release_sub_crqs(adapter);
*req_value = be64_to_cpu(crq->request_capability_rsp.number);
ibmvnic_send_req_caps(adapter, 1);
return;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index b936feb..2194960 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1113,6 +1113,8 @@
if (!tx_ring->tx_bi)
goto err;
+ u64_stats_init(&tx_ring->syncp);
+
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc);
/* add u32 for head writeback, align after this takes care of
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 084c535..032f8ac 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -2988,6 +2988,8 @@
if (!tx_ring->tx_buffer_info)
goto err;
+ u64_stats_init(&tx_ring->syncp);
+
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
@@ -3046,6 +3048,8 @@
if (!rx_ring->rx_buffer_info)
goto err;
+ u64_stats_init(&rx_ring->syncp);
+
/* Round up to nearest 4K */
rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
rx_ring->size = ALIGN(rx_ring->size, 4096);
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 5794d98..9c94ea9 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2734,7 +2734,7 @@
ppd.shared = pdev;
memset(&res, 0, sizeof(res));
- if (!of_irq_to_resource(pnp, 0, &res)) {
+ if (of_irq_to_resource(pnp, 0, &res) <= 0) {
dev_err(&pdev->dev, "missing interrupt on %s\n", pnp->name);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index 48d21c1..4d598ca 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -6504,7 +6504,7 @@
struct resource *res;
const char *dt_mac_addr;
const char *mac_from;
- char hw_mac_addr[ETH_ALEN];
+ char hw_mac_addr[ETH_ALEN] = {0};
u32 id;
int features;
int phy_mode;
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b3d0c2e..e588a0c 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -22,6 +22,7 @@
#include <linux/if_vlan.h>
#include <linux/reset.h>
#include <linux/tcp.h>
+#include <linux/interrupt.h>
#include "mtk_eth_soc.h"
@@ -947,6 +948,10 @@
RX_DMA_FPORT_MASK;
mac--;
+ if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT ||
+ !eth->netdev[mac]))
+ goto release_desc;
+
netdev = eth->netdev[mac];
if (unlikely(test_bit(MTK_RESETTING, ð->state)))
diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
index 249a458..b651c12 100644
--- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
@@ -283,7 +283,7 @@
}
/* Should be called under a lock */
-static int __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry)
+static void __mlx4_zone_remove_one_entry(struct mlx4_zone_entry *entry)
{
struct mlx4_zone_allocator *zone_alloc = entry->allocator;
@@ -315,8 +315,6 @@
}
zone_alloc->mask = mask;
}
-
- return 0;
}
void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc)
@@ -457,7 +455,7 @@
int mlx4_zone_remove_one(struct mlx4_zone_allocator *zones, u32 uid)
{
struct mlx4_zone_entry *zone;
- int res;
+ int res = 0;
spin_lock(&zones->lock);
@@ -468,7 +466,7 @@
goto out;
}
- res = __mlx4_zone_remove_one_entry(zone);
+ __mlx4_zone_remove_one_entry(zone);
out:
spin_unlock(&zones->lock);
@@ -578,7 +576,7 @@
}
static int mlx4_buf_direct_alloc(struct mlx4_dev *dev, int size,
- struct mlx4_buf *buf, gfp_t gfp)
+ struct mlx4_buf *buf)
{
dma_addr_t t;
@@ -587,7 +585,7 @@
buf->page_shift = get_order(size) + PAGE_SHIFT;
buf->direct.buf =
dma_zalloc_coherent(&dev->persist->pdev->dev,
- size, &t, gfp);
+ size, &t, GFP_KERNEL);
if (!buf->direct.buf)
return -ENOMEM;
@@ -607,10 +605,10 @@
* multiple pages, so we don't require too much contiguous memory.
*/
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
- struct mlx4_buf *buf, gfp_t gfp)
+ struct mlx4_buf *buf)
{
if (size <= max_direct) {
- return mlx4_buf_direct_alloc(dev, size, buf, gfp);
+ return mlx4_buf_direct_alloc(dev, size, buf);
} else {
dma_addr_t t;
int i;
@@ -620,14 +618,14 @@
buf->npages = buf->nbufs;
buf->page_shift = PAGE_SHIFT;
buf->page_list = kcalloc(buf->nbufs, sizeof(*buf->page_list),
- gfp);
+ GFP_KERNEL);
if (!buf->page_list)
return -ENOMEM;
for (i = 0; i < buf->nbufs; ++i) {
buf->page_list[i].buf =
dma_zalloc_coherent(&dev->persist->pdev->dev,
- PAGE_SIZE, &t, gfp);
+ PAGE_SIZE, &t, GFP_KERNEL);
if (!buf->page_list[i].buf)
goto err_free;
@@ -663,12 +661,11 @@
}
EXPORT_SYMBOL_GPL(mlx4_buf_free);
-static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device,
- gfp_t gfp)
+static struct mlx4_db_pgdir *mlx4_alloc_db_pgdir(struct device *dma_device)
{
struct mlx4_db_pgdir *pgdir;
- pgdir = kzalloc(sizeof *pgdir, gfp);
+ pgdir = kzalloc(sizeof(*pgdir), GFP_KERNEL);
if (!pgdir)
return NULL;
@@ -676,7 +673,7 @@
pgdir->bits[0] = pgdir->order0;
pgdir->bits[1] = pgdir->order1;
pgdir->db_page = dma_alloc_coherent(dma_device, PAGE_SIZE,
- &pgdir->db_dma, gfp);
+ &pgdir->db_dma, GFP_KERNEL);
if (!pgdir->db_page) {
kfree(pgdir);
return NULL;
@@ -716,7 +713,7 @@
return 0;
}
-int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, gfp_t gfp)
+int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_db_pgdir *pgdir;
@@ -728,7 +725,7 @@
if (!mlx4_alloc_db_from_pgdir(pgdir, db, order))
goto out;
- pgdir = mlx4_alloc_db_pgdir(&dev->persist->pdev->dev, gfp);
+ pgdir = mlx4_alloc_db_pgdir(&dev->persist->pdev->dev);
if (!pgdir) {
ret = -ENOMEM;
goto out;
@@ -780,13 +777,13 @@
{
int err;
- err = mlx4_db_alloc(dev, &wqres->db, 1, GFP_KERNEL);
+ err = mlx4_db_alloc(dev, &wqres->db, 1);
if (err)
return err;
*wqres->db.db = 0;
- err = mlx4_buf_direct_alloc(dev, size, &wqres->buf, GFP_KERNEL);
+ err = mlx4_buf_direct_alloc(dev, size, &wqres->buf);
if (err)
goto err_db;
@@ -795,7 +792,7 @@
if (err)
goto err_buf;
- err = mlx4_buf_write_mtt(dev, &wqres->mtt, &wqres->buf, GFP_KERNEL);
+ err = mlx4_buf_write_mtt(dev, &wqres->mtt, &wqres->buf);
if (err)
goto err_mtt;
diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c
index fa6d235..c56a511 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cq.c
@@ -224,11 +224,11 @@
if (*cqn == -1)
return -ENOMEM;
- err = mlx4_table_get(dev, &cq_table->table, *cqn, GFP_KERNEL);
+ err = mlx4_table_get(dev, &cq_table->table, *cqn);
if (err)
goto err_out;
- err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn, GFP_KERNEL);
+ err = mlx4_table_get(dev, &cq_table->cmpt_table, *cqn);
if (err)
goto err_put;
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index c751a1d..3d4e4a5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -223,6 +223,7 @@
struct ethtool_wolinfo *wol)
{
struct mlx4_en_priv *priv = netdev_priv(netdev);
+ struct mlx4_caps *caps = &priv->mdev->dev->caps;
int err = 0;
u64 config = 0;
u64 mask;
@@ -235,24 +236,24 @@
mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
MLX4_DEV_CAP_FLAG_WOL_PORT2;
- if (!(priv->mdev->dev->caps.flags & mask)) {
+ if (!(caps->flags & mask)) {
wol->supported = 0;
wol->wolopts = 0;
return;
}
+ if (caps->wol_port[priv->port])
+ wol->supported = WAKE_MAGIC;
+ else
+ wol->supported = 0;
+
err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
if (err) {
en_err(priv, "Failed to get WoL information\n");
return;
}
- if (config & MLX4_EN_WOL_MAGIC)
- wol->supported = WAKE_MAGIC;
- else
- wol->supported = 0;
-
- if (config & MLX4_EN_WOL_ENABLED)
+ if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC))
wol->wolopts = WAKE_MAGIC;
else
wol->wolopts = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index e5fb895..bf16380 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -574,16 +574,21 @@
* header, the HW adds it. To address that, we are subtracting the pseudo
* header checksum from the checksum value provided by the HW.
*/
-static void get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb,
- struct iphdr *iph)
+static int get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb,
+ struct iphdr *iph)
{
__u16 length_for_csum = 0;
__wsum csum_pseudo_header = 0;
+ __u8 ipproto = iph->protocol;
+
+ if (unlikely(ipproto == IPPROTO_SCTP))
+ return -1;
length_for_csum = (be16_to_cpu(iph->tot_len) - (iph->ihl << 2));
csum_pseudo_header = csum_tcpudp_nofold(iph->saddr, iph->daddr,
- length_for_csum, iph->protocol, 0);
+ length_for_csum, ipproto, 0);
skb->csum = csum_sub(hw_checksum, csum_pseudo_header);
+ return 0;
}
#if IS_ENABLED(CONFIG_IPV6)
@@ -594,17 +599,20 @@
static int get_fixed_ipv6_csum(__wsum hw_checksum, struct sk_buff *skb,
struct ipv6hdr *ipv6h)
{
+ __u8 nexthdr = ipv6h->nexthdr;
__wsum csum_pseudo_hdr = 0;
- if (unlikely(ipv6h->nexthdr == IPPROTO_FRAGMENT ||
- ipv6h->nexthdr == IPPROTO_HOPOPTS))
+ if (unlikely(nexthdr == IPPROTO_FRAGMENT ||
+ nexthdr == IPPROTO_HOPOPTS ||
+ nexthdr == IPPROTO_SCTP))
return -1;
- hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(ipv6h->nexthdr));
+ hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(nexthdr));
csum_pseudo_hdr = csum_partial(&ipv6h->saddr,
sizeof(ipv6h->saddr) + sizeof(ipv6h->daddr), 0);
csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ipv6h->payload_len);
- csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ntohs(ipv6h->nexthdr));
+ csum_pseudo_hdr = csum_add(csum_pseudo_hdr,
+ (__force __wsum)htons(nexthdr));
skb->csum = csum_sub(hw_checksum, csum_pseudo_hdr);
skb->csum = csum_add(skb->csum, csum_partial(ipv6h, sizeof(struct ipv6hdr), 0));
@@ -627,11 +635,10 @@
}
if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV4))
- get_fixed_ipv4_csum(hw_checksum, skb, hdr);
+ return get_fixed_ipv4_csum(hw_checksum, skb, hdr);
#if IS_ENABLED(CONFIG_IPV6)
- else if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6))
- if (unlikely(get_fixed_ipv6_csum(hw_checksum, skb, hdr)))
- return -1;
+ if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6))
+ return get_fixed_ipv6_csum(hw_checksum, skb, hdr);
#endif
return 0;
}
@@ -1042,7 +1049,7 @@
if (!context)
return -ENOMEM;
- err = mlx4_qp_alloc(mdev->dev, qpn, qp, GFP_KERNEL);
+ err = mlx4_qp_alloc(mdev->dev, qpn, qp);
if (err) {
en_err(priv, "Failed to allocate qp #%x\n", qpn);
goto out;
@@ -1086,7 +1093,7 @@
en_err(priv, "Failed reserving drop qpn\n");
return err;
}
- err = mlx4_qp_alloc(priv->mdev->dev, qpn, &priv->drop_qp, GFP_KERNEL);
+ err = mlx4_qp_alloc(priv->mdev->dev, qpn, &priv->drop_qp);
if (err) {
en_err(priv, "Failed allocating drop qp\n");
mlx4_qp_release_range(priv->mdev->dev, qpn, 1);
@@ -1158,8 +1165,7 @@
}
/* Configure RSS indirection qp */
- err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, rss_map->indir_qp,
- GFP_KERNEL);
+ err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, rss_map->indir_qp);
if (err) {
en_err(priv, "Failed to allocate RSS indirection QP\n");
goto rss_err;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 4f3a9b2..73faa3d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -111,7 +111,7 @@
goto err_hwq_res;
}
- err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->sp_qp, GFP_KERNEL);
+ err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->sp_qp);
if (err) {
en_err(priv, "Failed allocating qp %d\n", ring->qpn);
goto err_reserve;
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 37e84a5..041c0ed 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -159,8 +159,9 @@
[32] = "Loopback source checks support",
[33] = "RoCEv2 support",
[34] = "DMFS Sniffer support (UC & MC)",
- [35] = "QinQ VST mode support",
- [36] = "sl to vl mapping table change event support"
+ [35] = "Diag counters per port",
+ [36] = "QinQ VST mode support",
+ [37] = "sl to vl mapping table change event support",
};
int i;
@@ -764,6 +765,7 @@
#define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
#define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
+#define QUERY_DEV_CAP_WOL_OFFSET 0x43
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
@@ -920,6 +922,9 @@
MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
dev_cap->flags = flags | (u64)ext_flags << 32;
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET);
+ dev_cap->wol_port[1] = !!(field & 0x20);
+ dev_cap->wol_port[2] = !!(field & 0x40);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;
MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h
index 5343a05..b52ba01 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.h
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.h
@@ -129,6 +129,7 @@
u32 dmfs_high_rate_qpn_range;
struct mlx4_rate_limit_caps rl_caps;
struct mlx4_port_cap port_cap[MLX4_MAX_PORTS + 1];
+ bool wol_port[MLX4_MAX_PORTS + 1];
};
struct mlx4_func_cap {
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index e1f9e7c..5a7816e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -251,8 +251,7 @@
MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
}
-int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj,
- gfp_t gfp)
+int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj)
{
u32 i = (obj & (table->num_obj - 1)) /
(MLX4_TABLE_CHUNK_SIZE / table->obj_size);
@@ -266,7 +265,7 @@
}
table->icm[i] = mlx4_alloc_icm(dev, MLX4_TABLE_CHUNK_SIZE >> PAGE_SHIFT,
- (table->lowmem ? gfp : GFP_HIGHUSER) |
+ (table->lowmem ? GFP_KERNEL : GFP_HIGHUSER) |
__GFP_NOWARN, table->coherent);
if (!table->icm[i]) {
ret = -ENOMEM;
@@ -363,7 +362,7 @@
u32 i;
for (i = start; i <= end; i += inc) {
- err = mlx4_table_get(dev, table, i, GFP_KERNEL);
+ err = mlx4_table_get(dev, table, i);
if (err)
goto fail;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.h b/drivers/net/ethernet/mellanox/mlx4/icm.h
index 0c73645..dee67fa 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.h
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.h
@@ -71,8 +71,7 @@
gfp_t gfp_mask, int coherent);
void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent);
-int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj,
- gfp_t gfp);
+int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
u32 start, u32 end);
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index a27c9c1..5fe5cdc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -424,13 +424,15 @@
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz;
+ dev->caps.wol_port[1] = dev_cap->wol_port[1];
+ dev->caps.wol_port[2] = dev_cap->wol_port[2];
/* Save uar page shift */
if (!mlx4_is_slave(dev)) {
/* Virtual PCI function needs to determine UAR page size from
* firmware. Only master PCI function can set the uar page size
*/
- if (enable_4k_uar)
+ if (enable_4k_uar || !dev->persist->num_vfs)
dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT;
else
dev->uar_page_shift = PAGE_SHIFT;
@@ -2275,7 +2277,7 @@
dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
- if (enable_4k_uar) {
+ if (enable_4k_uar || !dev->persist->num_vfs) {
init_hca.log_uar_sz = ilog2(dev->caps.num_uars) +
PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT;
init_hca.uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 30616cd..706d7f2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -969,7 +969,7 @@
void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
-int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp);
+int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn);
void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
@@ -977,7 +977,7 @@
void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
int __mlx4_mpt_reserve(struct mlx4_dev *dev);
void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
-int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp);
+int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index);
void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index ce852ca..24282cd 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -479,14 +479,14 @@
__mlx4_mpt_release(dev, index);
}
-int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp)
+int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)
{
struct mlx4_mr_table *mr_table = &mlx4_priv(dev)->mr_table;
- return mlx4_table_get(dev, &mr_table->dmpt_table, index, gfp);
+ return mlx4_table_get(dev, &mr_table->dmpt_table, index);
}
-static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index, gfp_t gfp)
+static int mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index)
{
u64 param = 0;
@@ -497,7 +497,7 @@
MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_WRAPPED);
}
- return __mlx4_mpt_alloc_icm(dev, index, gfp);
+ return __mlx4_mpt_alloc_icm(dev, index);
}
void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index)
@@ -629,7 +629,7 @@
struct mlx4_mpt_entry *mpt_entry;
int err;
- err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key), GFP_KERNEL);
+ err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mr->key));
if (err)
return err;
@@ -787,14 +787,13 @@
EXPORT_SYMBOL_GPL(mlx4_write_mtt);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
- struct mlx4_buf *buf, gfp_t gfp)
+ struct mlx4_buf *buf)
{
u64 *page_list;
int err;
int i;
- page_list = kmalloc(buf->npages * sizeof *page_list,
- gfp);
+ page_list = kcalloc(buf->npages, sizeof(*page_list), GFP_KERNEL);
if (!page_list)
return -ENOMEM;
@@ -841,7 +840,7 @@
struct mlx4_mpt_entry *mpt_entry;
int err;
- err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key), GFP_KERNEL);
+ err = mlx4_mpt_alloc_icm(dev, key_to_hw_index(mw->key));
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 5a310d3..26747212 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -301,29 +301,29 @@
}
EXPORT_SYMBOL_GPL(mlx4_qp_release_range);
-int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp)
+int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_qp_table *qp_table = &priv->qp_table;
int err;
- err = mlx4_table_get(dev, &qp_table->qp_table, qpn, gfp);
+ err = mlx4_table_get(dev, &qp_table->qp_table, qpn);
if (err)
goto err_out;
- err = mlx4_table_get(dev, &qp_table->auxc_table, qpn, gfp);
+ err = mlx4_table_get(dev, &qp_table->auxc_table, qpn);
if (err)
goto err_put_qp;
- err = mlx4_table_get(dev, &qp_table->altc_table, qpn, gfp);
+ err = mlx4_table_get(dev, &qp_table->altc_table, qpn);
if (err)
goto err_put_auxc;
- err = mlx4_table_get(dev, &qp_table->rdmarc_table, qpn, gfp);
+ err = mlx4_table_get(dev, &qp_table->rdmarc_table, qpn);
if (err)
goto err_put_altc;
- err = mlx4_table_get(dev, &qp_table->cmpt_table, qpn, gfp);
+ err = mlx4_table_get(dev, &qp_table->cmpt_table, qpn);
if (err)
goto err_put_rdmarc;
@@ -345,7 +345,7 @@
return err;
}
-static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn, gfp_t gfp)
+static int mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn)
{
u64 param = 0;
@@ -355,7 +355,7 @@
MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_WRAPPED);
}
- return __mlx4_qp_alloc_icm(dev, qpn, gfp);
+ return __mlx4_qp_alloc_icm(dev, qpn);
}
void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)
@@ -397,7 +397,7 @@
return qp;
}
-int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, gfp_t gfp)
+int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_qp_table *qp_table = &priv->qp_table;
@@ -408,7 +408,7 @@
qp->qpn = qpn;
- err = mlx4_qp_alloc_icm(dev, qpn, gfp);
+ err = mlx4_qp_alloc_icm(dev, qpn);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 8127838..215e21c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -1822,7 +1822,7 @@
return err;
if (!fw_reserved(dev, qpn)) {
- err = __mlx4_qp_alloc_icm(dev, qpn, GFP_KERNEL);
+ err = __mlx4_qp_alloc_icm(dev, qpn);
if (err) {
res_abort_move(dev, slave, RES_QP, qpn);
return err;
@@ -1909,7 +1909,7 @@
if (err)
return err;
- err = __mlx4_mpt_alloc_icm(dev, mpt->key, GFP_KERNEL);
+ err = __mlx4_mpt_alloc_icm(dev, mpt->key);
if (err) {
res_abort_move(dev, slave, RES_MPT, id);
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx4/srq.c b/drivers/net/ethernet/mellanox/mlx4/srq.c
index f44d089..bedf521 100644
--- a/drivers/net/ethernet/mellanox/mlx4/srq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/srq.c
@@ -100,11 +100,11 @@
if (*srqn == -1)
return -ENOMEM;
- err = mlx4_table_get(dev, &srq_table->table, *srqn, GFP_KERNEL);
+ err = mlx4_table_get(dev, &srq_table->table, *srqn);
if (err)
goto err_out;
- err = mlx4_table_get(dev, &srq_table->cmpt_table, *srqn, GFP_KERNEL);
+ err = mlx4_table_get(dev, &srq_table->cmpt_table, *srqn);
if (err)
goto err_put;
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index f5a2c60..31cbe5e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -786,6 +786,10 @@
mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
}
+static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg);
+static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev,
+ struct mlx5_cmd_msg *msg);
+
static void cmd_work_handler(struct work_struct *work)
{
struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work);
@@ -796,17 +800,28 @@
struct semaphore *sem;
unsigned long flags;
bool poll_cmd = ent->polling;
+ int alloc_ret;
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
- ent->idx = alloc_ent(cmd);
- if (ent->idx < 0) {
+ alloc_ret = alloc_ent(cmd);
+ if (alloc_ret < 0) {
mlx5_core_err(dev, "failed to allocate command entry\n");
+ if (ent->callback) {
+ ent->callback(-EAGAIN, ent->context);
+ mlx5_free_cmd_msg(dev, ent->out);
+ free_msg(dev, ent->in);
+ free_cmd(ent);
+ } else {
+ ent->ret = -EAGAIN;
+ complete(&ent->done);
+ }
up(sem);
return;
}
+ ent->idx = alloc_ret;
} else {
ent->idx = cmd->max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
@@ -967,7 +982,7 @@
err = wait_func(dev, ent);
if (err == -ETIMEDOUT)
- goto out_free;
+ goto out;
ds = ent->ts2 - ent->ts1;
op = MLX5_GET(mbox_in, in->first.data, opcode);
@@ -1430,6 +1445,7 @@
mlx5_core_err(dev, "Command completion arrived after timeout (entry idx = %d).\n",
ent->idx);
free_ent(cmd, ent->idx);
+ free_cmd(ent);
}
continue;
}
@@ -1488,7 +1504,8 @@
free_msg(dev, ent->in);
err = err ? err : ent->status;
- free_cmd(ent);
+ if (!forced)
+ free_cmd(ent);
callback(err, context);
} else {
complete(&ent->done);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index e1b7ddf..2f26fb3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -263,9 +263,18 @@
/* The only setting that cannot be read from FW */
u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
+ u8 cap;
};
#endif
+#define MAX_PIN_NUM 8
+struct mlx5e_pps {
+ u8 pin_caps[MAX_PIN_NUM];
+ struct work_struct out_work;
+ u64 start[MAX_PIN_NUM];
+ u8 enabled;
+};
+
struct mlx5e_tstamp {
rwlock_t lock;
struct cyclecounter cycles;
@@ -277,7 +286,7 @@
struct mlx5_core_dev *mdev;
struct ptp_clock *ptp;
struct ptp_clock_info ptp_info;
- u8 *pps_pin_caps;
+ struct mlx5e_pps pps_info;
};
enum {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
index 66f4323..84dd63e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
@@ -53,6 +53,15 @@
MLX5E_EVENT_MODE_ONCE_TILL_ARM = 0x2,
};
+enum {
+ MLX5E_MTPPS_FS_ENABLE = BIT(0x0),
+ MLX5E_MTPPS_FS_PATTERN = BIT(0x2),
+ MLX5E_MTPPS_FS_PIN_MODE = BIT(0x3),
+ MLX5E_MTPPS_FS_TIME_STAMP = BIT(0x4),
+ MLX5E_MTPPS_FS_OUT_PULSE_DURATION = BIT(0x5),
+ MLX5E_MTPPS_FS_ENH_OUT_PER_ADJ = BIT(0x7),
+};
+
void mlx5e_fill_hwstamp(struct mlx5e_tstamp *tstamp, u64 timestamp,
struct skb_shared_hwtstamps *hwts)
{
@@ -73,17 +82,46 @@
return mlx5_read_internal_timer(tstamp->mdev) & cc->mask;
}
+static void mlx5e_pps_out(struct work_struct *work)
+{
+ struct mlx5e_pps *pps_info = container_of(work, struct mlx5e_pps,
+ out_work);
+ struct mlx5e_tstamp *tstamp = container_of(pps_info, struct mlx5e_tstamp,
+ pps_info);
+ u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < tstamp->ptp_info.n_pins; i++) {
+ u64 tstart;
+
+ write_lock_irqsave(&tstamp->lock, flags);
+ tstart = tstamp->pps_info.start[i];
+ tstamp->pps_info.start[i] = 0;
+ write_unlock_irqrestore(&tstamp->lock, flags);
+ if (!tstart)
+ continue;
+
+ MLX5_SET(mtpps_reg, in, pin, i);
+ MLX5_SET64(mtpps_reg, in, time_stamp, tstart);
+ MLX5_SET(mtpps_reg, in, field_select, MLX5E_MTPPS_FS_TIME_STAMP);
+ mlx5_set_mtpps(tstamp->mdev, in, sizeof(in));
+ }
+}
+
static void mlx5e_timestamp_overflow(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct mlx5e_tstamp *tstamp = container_of(dwork, struct mlx5e_tstamp,
overflow_work);
+ struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp);
unsigned long flags;
write_lock_irqsave(&tstamp->lock, flags);
timecounter_read(&tstamp->clock);
write_unlock_irqrestore(&tstamp->lock, flags);
- schedule_delayed_work(&tstamp->overflow_work, tstamp->overflow_period);
+ queue_delayed_work(priv->wq, &tstamp->overflow_work,
+ msecs_to_jiffies(tstamp->overflow_period * 1000));
}
int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
@@ -213,18 +251,6 @@
int neg_adj = 0;
struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp,
ptp_info);
- struct mlx5e_priv *priv =
- container_of(tstamp, struct mlx5e_priv, tstamp);
-
- if (MLX5_CAP_GEN(priv->mdev, pps_modify)) {
- u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
-
- /* For future use need to add a loop for finding all 1PPS out pins */
- MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_OUT);
- MLX5_SET(mtpps_reg, in, out_periodic_adjustment, delta & 0xFFFF);
-
- mlx5_set_mtpps(priv->mdev, in, sizeof(in));
- }
if (delta < 0) {
neg_adj = 1;
@@ -253,12 +279,13 @@
struct mlx5e_priv *priv =
container_of(tstamp, struct mlx5e_priv, tstamp);
u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
+ u32 field_select = 0;
+ u8 pin_mode = 0;
u8 pattern = 0;
int pin = -1;
int err = 0;
- if (!MLX5_CAP_GEN(priv->mdev, pps) ||
- !MLX5_CAP_GEN(priv->mdev, pps_modify))
+ if (!MLX5_PPS_CAP(priv->mdev))
return -EOPNOTSUPP;
if (rq->extts.index >= tstamp->ptp_info.n_pins)
@@ -268,15 +295,21 @@
pin = ptp_find_pin(tstamp->ptp, PTP_PF_EXTTS, rq->extts.index);
if (pin < 0)
return -EBUSY;
+ pin_mode = MLX5E_PIN_MODE_IN;
+ pattern = !!(rq->extts.flags & PTP_FALLING_EDGE);
+ field_select = MLX5E_MTPPS_FS_PIN_MODE |
+ MLX5E_MTPPS_FS_PATTERN |
+ MLX5E_MTPPS_FS_ENABLE;
+ } else {
+ pin = rq->extts.index;
+ field_select = MLX5E_MTPPS_FS_ENABLE;
}
- if (rq->extts.flags & PTP_FALLING_EDGE)
- pattern = 1;
-
MLX5_SET(mtpps_reg, in, pin, pin);
- MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_IN);
+ MLX5_SET(mtpps_reg, in, pin_mode, pin_mode);
MLX5_SET(mtpps_reg, in, pattern, pattern);
MLX5_SET(mtpps_reg, in, enable, on);
+ MLX5_SET(mtpps_reg, in, field_select, field_select);
err = mlx5_set_mtpps(priv->mdev, in, sizeof(in));
if (err)
@@ -295,14 +328,18 @@
struct mlx5e_priv *priv =
container_of(tstamp, struct mlx5e_priv, tstamp);
u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
- u64 nsec_now, nsec_delta, time_stamp;
+ u64 nsec_now, nsec_delta, time_stamp = 0;
u64 cycles_now, cycles_delta;
struct timespec64 ts;
unsigned long flags;
+ u32 field_select = 0;
+ u8 pin_mode = 0;
+ u8 pattern = 0;
int pin = -1;
+ int err = 0;
s64 ns;
- if (!MLX5_CAP_GEN(priv->mdev, pps_modify))
+ if (!MLX5_PPS_CAP(priv->mdev))
return -EOPNOTSUPP;
if (rq->perout.index >= tstamp->ptp_info.n_pins)
@@ -313,32 +350,60 @@
rq->perout.index);
if (pin < 0)
return -EBUSY;
- }
- ts.tv_sec = rq->perout.period.sec;
- ts.tv_nsec = rq->perout.period.nsec;
- ns = timespec64_to_ns(&ts);
- if (on)
+ pin_mode = MLX5E_PIN_MODE_OUT;
+ pattern = MLX5E_OUT_PATTERN_PERIODIC;
+ ts.tv_sec = rq->perout.period.sec;
+ ts.tv_nsec = rq->perout.period.nsec;
+ ns = timespec64_to_ns(&ts);
+
if ((ns >> 1) != 500000000LL)
return -EINVAL;
- ts.tv_sec = rq->perout.start.sec;
- ts.tv_nsec = rq->perout.start.nsec;
- ns = timespec64_to_ns(&ts);
- cycles_now = mlx5_read_internal_timer(tstamp->mdev);
- write_lock_irqsave(&tstamp->lock, flags);
- nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now);
- nsec_delta = ns - nsec_now;
- cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift,
- tstamp->cycles.mult);
- write_unlock_irqrestore(&tstamp->lock, flags);
- time_stamp = cycles_now + cycles_delta;
+
+ ts.tv_sec = rq->perout.start.sec;
+ ts.tv_nsec = rq->perout.start.nsec;
+ ns = timespec64_to_ns(&ts);
+ cycles_now = mlx5_read_internal_timer(tstamp->mdev);
+ write_lock_irqsave(&tstamp->lock, flags);
+ nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now);
+ nsec_delta = ns - nsec_now;
+ cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift,
+ tstamp->cycles.mult);
+ write_unlock_irqrestore(&tstamp->lock, flags);
+ time_stamp = cycles_now + cycles_delta;
+ field_select = MLX5E_MTPPS_FS_PIN_MODE |
+ MLX5E_MTPPS_FS_PATTERN |
+ MLX5E_MTPPS_FS_ENABLE |
+ MLX5E_MTPPS_FS_TIME_STAMP;
+ } else {
+ pin = rq->perout.index;
+ field_select = MLX5E_MTPPS_FS_ENABLE;
+ }
+
MLX5_SET(mtpps_reg, in, pin, pin);
- MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_OUT);
- MLX5_SET(mtpps_reg, in, pattern, MLX5E_OUT_PATTERN_PERIODIC);
+ MLX5_SET(mtpps_reg, in, pin_mode, pin_mode);
+ MLX5_SET(mtpps_reg, in, pattern, pattern);
MLX5_SET(mtpps_reg, in, enable, on);
MLX5_SET64(mtpps_reg, in, time_stamp, time_stamp);
+ MLX5_SET(mtpps_reg, in, field_select, field_select);
- return mlx5_set_mtpps(priv->mdev, in, sizeof(in));
+ err = mlx5_set_mtpps(priv->mdev, in, sizeof(in));
+ if (err)
+ return err;
+
+ return mlx5_set_mtppse(priv->mdev, pin, 0,
+ MLX5E_EVENT_MODE_REPETETIVE & on);
+}
+
+static int mlx5e_pps_configure(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq,
+ int on)
+{
+ struct mlx5e_tstamp *tstamp =
+ container_of(ptp, struct mlx5e_tstamp, ptp_info);
+
+ tstamp->pps_info.enabled = !!on;
+ return 0;
}
static int mlx5e_ptp_enable(struct ptp_clock_info *ptp,
@@ -350,6 +415,8 @@
return mlx5e_extts_configure(ptp, rq, on);
case PTP_CLK_REQ_PEROUT:
return mlx5e_perout_configure(ptp, rq, on);
+ case PTP_CLK_REQ_PPS:
+ return mlx5e_pps_configure(ptp, rq, on);
default:
return -EOPNOTSUPP;
}
@@ -395,6 +462,7 @@
return -ENOMEM;
tstamp->ptp_info.enable = mlx5e_ptp_enable;
tstamp->ptp_info.verify = mlx5e_ptp_verify;
+ tstamp->ptp_info.pps = 1;
for (i = 0; i < tstamp->ptp_info.n_pins; i++) {
snprintf(tstamp->ptp_info.pin_config[i].name,
@@ -422,22 +490,56 @@
tstamp->ptp_info.n_per_out = MLX5_GET(mtpps_reg, out,
cap_max_num_of_pps_out_pins);
- tstamp->pps_pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode);
- tstamp->pps_pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode);
- tstamp->pps_pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode);
- tstamp->pps_pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode);
- tstamp->pps_pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode);
- tstamp->pps_pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode);
- tstamp->pps_pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode);
- tstamp->pps_pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode);
+ tstamp->pps_info.pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode);
+ tstamp->pps_info.pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode);
+ tstamp->pps_info.pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode);
+ tstamp->pps_info.pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode);
+ tstamp->pps_info.pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode);
+ tstamp->pps_info.pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode);
+ tstamp->pps_info.pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode);
+ tstamp->pps_info.pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode);
}
void mlx5e_pps_event_handler(struct mlx5e_priv *priv,
struct ptp_clock_event *event)
{
+ struct net_device *netdev = priv->netdev;
struct mlx5e_tstamp *tstamp = &priv->tstamp;
+ struct timespec64 ts;
+ u64 nsec_now, nsec_delta;
+ u64 cycles_now, cycles_delta;
+ int pin = event->index;
+ s64 ns;
+ unsigned long flags;
- ptp_clock_event(tstamp->ptp, event);
+ switch (tstamp->ptp_info.pin_config[pin].func) {
+ case PTP_PF_EXTTS:
+ if (tstamp->pps_info.enabled) {
+ event->type = PTP_CLOCK_PPSUSR;
+ event->pps_times.ts_real = ns_to_timespec64(event->timestamp);
+ } else {
+ event->type = PTP_CLOCK_EXTTS;
+ }
+ ptp_clock_event(tstamp->ptp, event);
+ break;
+ case PTP_PF_PEROUT:
+ mlx5e_ptp_gettime(&tstamp->ptp_info, &ts);
+ cycles_now = mlx5_read_internal_timer(tstamp->mdev);
+ ts.tv_sec += 1;
+ ts.tv_nsec = 0;
+ ns = timespec64_to_ns(&ts);
+ write_lock_irqsave(&tstamp->lock, flags);
+ nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now);
+ nsec_delta = ns - nsec_now;
+ cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift,
+ tstamp->cycles.mult);
+ tstamp->pps_info.start[pin] = cycles_now + cycles_delta;
+ queue_work(priv->wq, &tstamp->pps_info.out_work);
+ write_unlock_irqrestore(&tstamp->lock, flags);
+ break;
+ default:
+ netdev_err(netdev, "%s: Unhandled event\n", __func__);
+ }
}
void mlx5e_timestamp_init(struct mlx5e_priv *priv)
@@ -473,9 +575,10 @@
do_div(ns, NSEC_PER_SEC / 2 / HZ);
tstamp->overflow_period = ns;
+ INIT_WORK(&tstamp->pps_info.out_work, mlx5e_pps_out);
INIT_DELAYED_WORK(&tstamp->overflow_work, mlx5e_timestamp_overflow);
if (tstamp->overflow_period)
- schedule_delayed_work(&tstamp->overflow_work, 0);
+ queue_delayed_work(priv->wq, &tstamp->overflow_work, 0);
else
mlx5_core_warn(priv->mdev, "invalid overflow period, overflow_work is not scheduled\n");
@@ -484,16 +587,10 @@
snprintf(tstamp->ptp_info.name, 16, "mlx5 ptp");
/* Initialize 1PPS data structures */
-#define MAX_PIN_NUM 8
- tstamp->pps_pin_caps = kzalloc(sizeof(u8) * MAX_PIN_NUM, GFP_KERNEL);
- if (tstamp->pps_pin_caps) {
- if (MLX5_CAP_GEN(priv->mdev, pps))
- mlx5e_get_pps_caps(priv, tstamp);
- if (tstamp->ptp_info.n_pins)
- mlx5e_init_pin_config(tstamp);
- } else {
- mlx5_core_warn(priv->mdev, "1PPS initialization failed\n");
- }
+ if (MLX5_PPS_CAP(priv->mdev))
+ mlx5e_get_pps_caps(priv, tstamp);
+ if (tstamp->ptp_info.n_pins)
+ mlx5e_init_pin_config(tstamp);
tstamp->ptp = ptp_clock_register(&tstamp->ptp_info,
&priv->mdev->pdev->dev);
@@ -516,8 +613,7 @@
priv->tstamp.ptp = NULL;
}
- kfree(tstamp->pps_pin_caps);
- kfree(tstamp->ptp_info.pin_config);
-
+ cancel_work_sync(&tstamp->pps_info.out_work);
cancel_delayed_work_sync(&tstamp->overflow_work);
+ kfree(tstamp->ptp_info.pin_config);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 2eb54d3..c1d384f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -288,13 +288,8 @@
static u8 mlx5e_dcbnl_getdcbx(struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
- struct mlx5e_dcbx *dcbx = &priv->dcbx;
- u8 mode = DCB_CAP_DCBX_VER_IEEE | DCB_CAP_DCBX_VER_CEE;
- if (dcbx->mode == MLX5E_DCBX_PARAM_VER_OPER_HOST)
- mode |= DCB_CAP_DCBX_HOST;
-
- return mode;
+ return priv->dcbx.cap;
}
static u8 mlx5e_dcbnl_setdcbx(struct net_device *dev, u8 mode)
@@ -312,6 +307,7 @@
/* set dcbx to fw controlled */
if (!mlx5e_dcbnl_set_dcbx_mode(priv, MLX5E_DCBX_PARAM_VER_OPER_AUTO)) {
dcbx->mode = MLX5E_DCBX_PARAM_VER_OPER_AUTO;
+ dcbx->cap &= ~DCB_CAP_DCBX_HOST;
return 0;
}
@@ -324,6 +320,8 @@
if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev)))
return 1;
+ dcbx->cap = mode;
+
return 0;
}
@@ -628,9 +626,9 @@
*cap = false;
break;
case DCB_CAP_ATTR_DCBX:
- *cap = (DCB_CAP_DCBX_LLD_MANAGED |
- DCB_CAP_DCBX_VER_CEE |
- DCB_CAP_DCBX_STATIC);
+ *cap = priv->dcbx.cap |
+ DCB_CAP_DCBX_VER_CEE |
+ DCB_CAP_DCBX_VER_IEEE;
break;
default:
*cap = 0;
@@ -754,8 +752,16 @@
{
struct mlx5e_dcbx *dcbx = &priv->dcbx;
+ if (!MLX5_CAP_GEN(priv->mdev, qos))
+ return;
+
if (MLX5_CAP_GEN(priv->mdev, dcbx))
mlx5e_dcbnl_query_dcbx_mode(priv, &dcbx->mode);
+ priv->dcbx.cap = DCB_CAP_DCBX_VER_CEE |
+ DCB_CAP_DCBX_VER_IEEE;
+ if (priv->dcbx.mode == MLX5E_DCBX_PARAM_VER_OPER_HOST)
+ priv->dcbx.cap |= DCB_CAP_DCBX_HOST;
+
mlx5e_ets_init(priv);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 917fade..f559401 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -641,8 +641,10 @@
new_channels.params = priv->channels.params;
new_channels.params.num_channels = count;
- mlx5e_build_default_indir_rqt(priv->mdev, new_channels.params.indirection_rqt,
- MLX5E_INDIR_RQT_SIZE, count);
+ if (!netif_is_rxfh_configured(priv->netdev))
+ mlx5e_build_default_indir_rqt(priv->mdev,
+ new_channels.params.indirection_rqt,
+ MLX5E_INDIR_RQT_SIZE, count);
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
index bdd82c9..eafc592 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
@@ -276,7 +276,7 @@
static bool outer_header_zero(u32 *match_criteria)
{
- int size = MLX5_ST_SZ_BYTES(fte_match_param);
+ int size = MLX5_FLD_SZ_BYTES(fte_match_param, outer_headers);
char *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_criteria,
outer_headers);
@@ -320,7 +320,7 @@
spec->match_criteria_enable = (!outer_header_zero(spec->match_criteria));
flow_act.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
- rule = mlx5_add_flow_rules(ft, spec, &flow_act, dst, 1);
+ rule = mlx5_add_flow_rules(ft, spec, &flow_act, dst, dst ? 1 : 0);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
netdev_err(priv->netdev, "%s: failed to add ethtool steering rule: %d\n",
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 1eac500..6ad7f07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -377,7 +377,6 @@
break;
case MLX5_DEV_EVENT_PPS:
eqe = (struct mlx5_eqe *)param;
- ptp_event.type = PTP_CLOCK_EXTTS;
ptp_event.index = eqe->data.pps.pin;
ptp_event.timestamp =
timecounter_cyc2time(&priv->tstamp.clock,
@@ -1970,6 +1969,7 @@
}
mlx5e_build_common_cq_param(priv, param);
+ param->cq_period_mode = params->rx_cq_period_mode;
}
static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 325b2c8..7344433 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -222,13 +222,13 @@
if (unlikely(!page))
return -ENOMEM;
- dma_info->page = page;
dma_info->addr = dma_map_page(rq->pdev, page, 0,
RQ_PAGE_SIZE(rq), rq->buff.map_dir);
if (unlikely(dma_mapping_error(rq->pdev, dma_info->addr))) {
put_page(page);
return -ENOMEM;
}
+ dma_info->page = page;
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 3c536f5..7f282e8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1443,12 +1443,10 @@
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
int ret;
- dst = ip6_route_output(dev_net(mirred_dev), NULL, fl6);
- ret = dst->error;
- if (ret) {
- dst_release(dst);
+ ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst,
+ fl6);
+ if (ret < 0)
return ret;
- }
*out_ttl = ip6_dst_hoplimit(dst);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index aaa0f4e..31353e5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -128,10 +128,10 @@
return mlx5e_skb_l2_header_offset(skb);
}
-static inline unsigned int mlx5e_calc_min_inline(enum mlx5_inline_modes mode,
- struct sk_buff *skb)
+static inline u16 mlx5e_calc_min_inline(enum mlx5_inline_modes mode,
+ struct sk_buff *skb)
{
- int hlen;
+ u16 hlen;
switch (mode) {
case MLX5_INLINE_MODE_NONE:
@@ -140,19 +140,22 @@
hlen = eth_get_headlen(skb->data, skb_headlen(skb));
if (hlen == ETH_HLEN && !skb_vlan_tag_present(skb))
hlen += VLAN_HLEN;
- return hlen;
+ break;
case MLX5_INLINE_MODE_IP:
/* When transport header is set to zero, it means no transport
* header. When transport header is set to 0xff's, it means
* transport header wasn't set.
*/
- if (skb_transport_offset(skb))
- return mlx5e_skb_l3_header_offset(skb);
+ if (skb_transport_offset(skb)) {
+ hlen = mlx5e_skb_l3_header_offset(skb);
+ break;
+ }
/* fall through */
case MLX5_INLINE_MODE_L2:
default:
- return mlx5e_skb_l2_header_offset(skb);
+ hlen = mlx5e_skb_l2_header_offset(skb);
}
+ return min_t(u16, hlen, skb->len);
}
static inline void mlx5e_tx_skb_pull_inline(unsigned char **skb_data,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index af51a5d..52b9a64 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -698,7 +698,7 @@
else
mlx5_core_dbg(dev, "port_module_event is not set\n");
- if (MLX5_CAP_GEN(dev, pps))
+ if (MLX5_PPS_CAP(dev))
async_event_mask |= (1ull << MLX5_EVENT_TYPE_PPS_EVENT);
if (MLX5_CAP_GEN(dev, fpga))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 89bfda4..8b18cc9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1668,7 +1668,8 @@
int i;
if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager) ||
- MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
+ MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH ||
+ esw->mode == SRIOV_NONE)
return;
esw_info(esw->dev, "disable SRIOV: active vports(%d) mode(%d)\n",
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 95b6402..5bc0593 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -815,7 +815,7 @@
struct mlx5_eswitch_rep *rep;
int vport;
- for (vport = 0; vport < nvports; vport++) {
+ for (vport = nvports - 1; vport >= 0; vport--) {
rep = &esw->offloads.vport_reps[vport];
if (!rep->valid)
continue;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 1ee5bce..8529805 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -178,8 +178,6 @@
static void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp)
{
- mlx5_fs_remove_rx_underlay_qpn(mdev, qp->qpn);
-
mlx5_core_destroy_qp(mdev, qp);
}
@@ -194,8 +192,6 @@
return err;
}
- mlx5_fs_add_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn);
-
err = mlx5e_create_tis(priv->mdev, 0 /* tc */, ipriv->qp.qpn, &priv->tisn[0]);
if (err) {
mlx5_core_warn(priv->mdev, "create tis failed, %d\n", err);
@@ -253,6 +249,7 @@
static int mlx5i_init_rx(struct mlx5e_priv *priv)
{
+ struct mlx5i_priv *ipriv = priv->ppriv;
int err;
err = mlx5e_create_indirect_rqt(priv);
@@ -271,12 +268,18 @@
if (err)
goto err_destroy_indirect_tirs;
- err = mlx5i_create_flow_steering(priv);
+ err = mlx5_fs_add_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn);
if (err)
goto err_destroy_direct_tirs;
+ err = mlx5i_create_flow_steering(priv);
+ if (err)
+ goto err_remove_rx_underlay_qpn;
+
return 0;
+err_remove_rx_underlay_qpn:
+ mlx5_fs_remove_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn);
err_destroy_direct_tirs:
mlx5e_destroy_direct_tirs(priv);
err_destroy_indirect_tirs:
@@ -290,6 +293,9 @@
static void mlx5i_cleanup_rx(struct mlx5e_priv *priv)
{
+ struct mlx5i_priv *ipriv = priv->ppriv;
+
+ mlx5_fs_remove_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn);
mlx5i_destroy_flow_steering(priv);
mlx5e_destroy_direct_tirs(priv);
mlx5e_destroy_indirect_tirs(priv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
index a3a836b..f26f97f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
@@ -162,22 +162,17 @@
static void mlx5_infer_tx_affinity_mapping(struct lag_tracker *tracker,
u8 *port1, u8 *port2)
{
- if (tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) {
- if (tracker->netdev_state[0].tx_enabled) {
- *port1 = 1;
- *port2 = 1;
- } else {
- *port1 = 2;
- *port2 = 2;
- }
- } else {
- *port1 = 1;
- *port2 = 2;
- if (!tracker->netdev_state[0].link_up)
- *port1 = 2;
- else if (!tracker->netdev_state[1].link_up)
- *port2 = 1;
+ *port1 = 1;
+ *port2 = 2;
+ if (!tracker->netdev_state[0].tx_enabled ||
+ !tracker->netdev_state[0].link_up) {
+ *port1 = 2;
+ return;
}
+
+ if (!tracker->netdev_state[1].tx_enabled ||
+ !tracker->netdev_state[1].link_up)
+ *port2 = 1;
}
static void mlx5_activate_lag(struct mlx5_lag *ldev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index c065132..1688582 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1186,7 +1186,6 @@
}
}
- clear_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state);
set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state);
out:
mutex_unlock(&dev->intf_state_mutex);
@@ -1261,7 +1260,7 @@
mlx5_drain_health_recovery(dev);
mutex_lock(&dev->intf_state_mutex);
- if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) {
+ if (!test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) {
dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n",
__func__);
if (cleanup)
@@ -1270,7 +1269,6 @@
}
clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state);
- set_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state);
if (mlx5_device_registered(dev))
mlx5_detach_device(dev);
@@ -1565,8 +1563,6 @@
int err;
dev_info(&pdev->dev, "Shutdown was called\n");
- /* Notify mlx5 clients that the kernel is being shut down */
- set_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &dev->intf_state);
err = mlx5_try_fast_unload(dev);
if (err)
mlx5_unload_one(dev, priv, false);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index 6a3d6be..6a263e8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -154,6 +154,11 @@
int mlx5_query_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 *arm, u8 *mode);
int mlx5_set_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 arm, u8 mode);
+#define MLX5_PPS_CAP(mdev) (MLX5_CAP_GEN((mdev), pps) && \
+ MLX5_CAP_GEN((mdev), pps_modify) && \
+ MLX5_CAP_MCAM_FEATURE((mdev), mtpps_fs) && \
+ MLX5_CAP_MCAM_FEATURE((mdev), mtpps_enh_out_per_adj))
+
int mlx5_firmware_flash(struct mlx5_core_dev *dev, const struct firmware *fw);
void mlx5e_init(void);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
index bcdf777..bf99d40 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
@@ -88,7 +88,11 @@
int vf;
if (!sriov->enabled_vfs)
+#ifdef CONFIG_MLX5_CORE_EN
+ goto disable_sriov_resources;
+#else
return;
+#endif
for (vf = 0; vf < sriov->num_vfs; vf++) {
if (!sriov->vfs_ctx[vf].enabled)
@@ -103,6 +107,7 @@
}
#ifdef CONFIG_MLX5_CORE_EN
+disable_sriov_resources:
mlx5_eswitch_disable_sriov(dev->priv.eswitch);
#endif
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/srq.c b/drivers/net/ethernet/mellanox/mlx5/core/srq.c
index f774de6..520f638 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/srq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/srq.c
@@ -201,13 +201,13 @@
static int arm_srq_cmd(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq)
{
- /* arm_srq structs missing using identical xrc ones */
- u32 srq_in[MLX5_ST_SZ_DW(arm_xrc_srq_in)] = {0};
- u32 srq_out[MLX5_ST_SZ_DW(arm_xrc_srq_out)] = {0};
+ u32 srq_in[MLX5_ST_SZ_DW(arm_rq_in)] = {0};
+ u32 srq_out[MLX5_ST_SZ_DW(arm_rq_out)] = {0};
- MLX5_SET(arm_xrc_srq_in, srq_in, opcode, MLX5_CMD_OP_ARM_XRC_SRQ);
- MLX5_SET(arm_xrc_srq_in, srq_in, xrc_srqn, srq->srqn);
- MLX5_SET(arm_xrc_srq_in, srq_in, lwm, lwm);
+ MLX5_SET(arm_rq_in, srq_in, opcode, MLX5_CMD_OP_ARM_RQ);
+ MLX5_SET(arm_rq_in, srq_in, op_mod, MLX5_ARM_RQ_IN_OP_MOD_SRQ);
+ MLX5_SET(arm_rq_in, srq_in, srq_number, srq->srqn);
+ MLX5_SET(arm_rq_in, srq_in, lwm, lwm);
return mlx5_cmd_exec(dev, srq_in, sizeof(srq_in),
srq_out, sizeof(srq_out));
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 60bf8f2..c6a3e61b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4139,6 +4139,8 @@
return -EINVAL;
if (!info->linking)
break;
+ if (netdev_has_any_upper_dev(upper_dev))
+ return -EINVAL;
if (netif_is_lag_master(upper_dev) &&
!mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
info->upper_info))
@@ -4258,6 +4260,10 @@
upper_dev = info->upper_dev;
if (!netif_is_bridge_master(upper_dev))
return -EINVAL;
+ if (!info->linking)
+ break;
+ if (netdev_has_any_upper_dev(upper_dev))
+ return -EINVAL;
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 383fef5a..4b2e0fd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -1512,6 +1512,10 @@
static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fib_entry *fib_entry);
+static bool
+mlxsw_sp_fib_node_entry_is_first(const struct mlxsw_sp_fib_node *fib_node,
+ const struct mlxsw_sp_fib_entry *fib_entry);
+
static int
mlxsw_sp_nexthop_fib_entries_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_nexthop_group *nh_grp)
@@ -1520,6 +1524,9 @@
int err;
list_for_each_entry(fib_entry, &nh_grp->fib_list, nexthop_group_node) {
+ if (!mlxsw_sp_fib_node_entry_is_first(fib_entry->fib_node,
+ fib_entry))
+ continue;
err = mlxsw_sp_fib_entry_update(mlxsw_sp, fib_entry);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 656b2d3..d39ffbf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -626,8 +626,8 @@
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
MLXSW_SP_FLOOD_TYPE_UC,
@@ -705,21 +705,28 @@
bool is_port_mc_router)
{
struct mlxsw_sp_bridge_port *bridge_port;
+ int err;
if (switchdev_trans_ph_prepare(trans))
return 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
-
- if (!bridge_port->bridge_device->multicast_enabled)
+ if (!bridge_port)
return 0;
- return mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
- MLXSW_SP_FLOOD_TYPE_MC,
- is_port_mc_router);
+ if (!bridge_port->bridge_device->multicast_enabled)
+ goto out;
+
+ err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
+ MLXSW_SP_FLOOD_TYPE_MC,
+ is_port_mc_router);
+ if (err)
+ return err;
+
+out:
+ bridge_port->mrouter = is_port_mc_router;
+ return 0;
}
static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port,
@@ -1283,15 +1290,15 @@
return 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
- if (WARN_ON(!mlxsw_sp_port_vlan))
- return -EINVAL;
+ if (!mlxsw_sp_port_vlan)
+ return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@@ -1407,15 +1414,15 @@
int err = 0;
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
- if (WARN_ON(!bridge_port))
- return -EINVAL;
+ if (!bridge_port)
+ return 0;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
bridge_device,
mdb->vid);
- if (WARN_ON(!mlxsw_sp_port_vlan))
- return -EINVAL;
+ if (!mlxsw_sp_port_vlan)
+ return 0;
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
@@ -1974,6 +1981,17 @@
}
+static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ struct mlxsw_sp_mid *mid, *tmp;
+
+ list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) {
+ list_del(&mid->list);
+ clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);
+ kfree(mid);
+ }
+}
+
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_bridge *bridge;
@@ -1996,7 +2014,7 @@
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_fdb_fini(mlxsw_sp);
- WARN_ON(!list_empty(&mlxsw_sp->bridge->mids_list));
+ mlxsw_sp_mids_fini(mlxsw_sp);
WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list));
kfree(mlxsw_sp->bridge);
}
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
index dd7fa9c..b0837b5 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
@@ -115,14 +115,10 @@
return;
}
- if (link) {
+ if (link)
netif_carrier_on(netdev);
- rtnl_lock();
- dev_set_mtu(netdev, be16_to_cpu(msg->mtu));
- rtnl_unlock();
- } else {
+ else
netif_carrier_off(netdev);
- }
rcu_read_unlock();
}
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 0e08404..d25b503 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -42,33 +42,29 @@
struct tc_cls_flower_offload *flow, u8 key_type,
bool mask_version)
{
+ struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
struct flow_dissector_key_vlan *flow_vlan;
u16 tmp_tci;
+ memset(frame, 0, sizeof(struct nfp_flower_meta_two));
/* Populate the metadata frame. */
frame->nfp_flow_key_layer = key_type;
frame->mask_id = ~0;
- if (mask_version) {
- frame->tci = cpu_to_be16(~0);
- return;
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
+ flow_vlan = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_VLAN,
+ target);
+ /* Populate the tci field. */
+ if (flow_vlan->vlan_id) {
+ tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+ flow_vlan->vlan_priority) |
+ FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+ flow_vlan->vlan_id) |
+ NFP_FLOWER_MASK_VLAN_CFI;
+ frame->tci = cpu_to_be16(tmp_tci);
+ }
}
-
- flow_vlan = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_VLAN,
- flow->key);
-
- /* Populate the tci field. */
- if (!flow_vlan->vlan_id) {
- tmp_tci = 0;
- } else {
- tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
- flow_vlan->vlan_priority) |
- FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
- flow_vlan->vlan_id) |
- NFP_FLOWER_MASK_VLAN_CFI;
- }
- frame->tci = cpu_to_be16(tmp_tci);
}
static void
@@ -99,17 +95,18 @@
bool mask_version)
{
struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_eth_addrs *flow_mac;
-
- flow_mac = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ETH_ADDRS,
- target);
+ struct flow_dissector_key_eth_addrs *addr;
memset(frame, 0, sizeof(struct nfp_flower_mac_mpls));
- /* Populate mac frame. */
- ether_addr_copy(frame->mac_dst, &flow_mac->dst[0]);
- ether_addr_copy(frame->mac_src, &flow_mac->src[0]);
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ addr = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_ETH_ADDRS,
+ target);
+ /* Populate mac frame. */
+ ether_addr_copy(frame->mac_dst, &addr->dst[0]);
+ ether_addr_copy(frame->mac_src, &addr->src[0]);
+ }
if (mask_version)
frame->mpls_lse = cpu_to_be32(~0);
@@ -121,14 +118,17 @@
bool mask_version)
{
struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ports *flow_tp;
+ struct flow_dissector_key_ports *tp;
- flow_tp = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_PORTS,
- target);
+ memset(frame, 0, sizeof(struct nfp_flower_tp_ports));
- frame->port_src = flow_tp->src;
- frame->port_dst = flow_tp->dst;
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_PORTS)) {
+ tp = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_PORTS,
+ target);
+ frame->port_src = tp->src;
+ frame->port_dst = tp->dst;
+ }
}
static void
@@ -137,25 +137,27 @@
bool mask_version)
{
struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ipv4_addrs *flow_ipv4;
- struct flow_dissector_key_basic *flow_basic;
+ struct flow_dissector_key_ipv4_addrs *addr;
+ struct flow_dissector_key_basic *basic;
- flow_ipv4 = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV4_ADDRS,
- target);
-
- flow_basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- target);
-
- /* Populate IPv4 frame. */
- frame->reserved = 0;
- frame->ipv4_src = flow_ipv4->src;
- frame->ipv4_dst = flow_ipv4->dst;
- frame->proto = flow_basic->ip_proto;
/* Wildcard TOS/TTL for now. */
- frame->tos = 0;
- frame->ttl = 0;
+ memset(frame, 0, sizeof(struct nfp_flower_ipv4));
+
+ if (dissector_uses_key(flow->dissector,
+ FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
+ addr = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_IPV4_ADDRS,
+ target);
+ frame->ipv4_src = addr->src;
+ frame->ipv4_dst = addr->dst;
+ }
+
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
+ basic = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_BASIC,
+ target);
+ frame->proto = basic->ip_proto;
+ }
}
static void
@@ -164,26 +166,27 @@
bool mask_version)
{
struct fl_flow_key *target = mask_version ? flow->mask : flow->key;
- struct flow_dissector_key_ipv6_addrs *flow_ipv6;
- struct flow_dissector_key_basic *flow_basic;
+ struct flow_dissector_key_ipv6_addrs *addr;
+ struct flow_dissector_key_basic *basic;
- flow_ipv6 = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_IPV6_ADDRS,
- target);
-
- flow_basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- target);
-
- /* Populate IPv6 frame. */
- frame->reserved = 0;
- frame->ipv6_src = flow_ipv6->src;
- frame->ipv6_dst = flow_ipv6->dst;
- frame->proto = flow_basic->ip_proto;
/* Wildcard LABEL/TOS/TTL for now. */
- frame->ipv6_flow_label_exthdr = 0;
- frame->tos = 0;
- frame->ttl = 0;
+ memset(frame, 0, sizeof(struct nfp_flower_ipv6));
+
+ if (dissector_uses_key(flow->dissector,
+ FLOW_DISSECTOR_KEY_IPV6_ADDRS)) {
+ addr = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_IPV6_ADDRS,
+ target);
+ frame->ipv6_src = addr->src;
+ frame->ipv6_dst = addr->dst;
+ }
+
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
+ basic = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_BASIC,
+ target);
+ frame->proto = basic->ip_proto;
+ }
}
int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index 4ad10bd..74a96d6 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -105,43 +105,62 @@
nfp_flower_calculate_key_layers(struct nfp_fl_key_ls *ret_key_ls,
struct tc_cls_flower_offload *flow)
{
- struct flow_dissector_key_control *mask_enc_ctl;
- struct flow_dissector_key_basic *mask_basic;
- struct flow_dissector_key_basic *key_basic;
+ struct flow_dissector_key_basic *mask_basic = NULL;
+ struct flow_dissector_key_basic *key_basic = NULL;
+ struct flow_dissector_key_ip *mask_ip = NULL;
u32 key_layer_two;
u8 key_layer;
int key_size;
- mask_enc_ctl = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_ENC_CONTROL,
- flow->mask);
+ if (dissector_uses_key(flow->dissector,
+ FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
+ struct flow_dissector_key_control *mask_enc_ctl =
+ skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_ENC_CONTROL,
+ flow->mask);
+ /* We are expecting a tunnel. For now we ignore offloading. */
+ if (mask_enc_ctl->addr_type)
+ return -EOPNOTSUPP;
+ }
- mask_basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- flow->mask);
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
+ mask_basic = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_BASIC,
+ flow->mask);
- key_basic = skb_flow_dissector_target(flow->dissector,
- FLOW_DISSECTOR_KEY_BASIC,
- flow->key);
+ key_basic = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_BASIC,
+ flow->key);
+ }
+
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP))
+ mask_ip = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_IP,
+ flow->mask);
+
key_layer_two = 0;
key_layer = NFP_FLOWER_LAYER_PORT | NFP_FLOWER_LAYER_MAC;
key_size = sizeof(struct nfp_flower_meta_one) +
sizeof(struct nfp_flower_in_port) +
sizeof(struct nfp_flower_mac_mpls);
- /* We are expecting a tunnel. For now we ignore offloading. */
- if (mask_enc_ctl->addr_type)
- return -EOPNOTSUPP;
-
- if (mask_basic->n_proto) {
+ if (mask_basic && mask_basic->n_proto) {
/* Ethernet type is present in the key. */
switch (key_basic->n_proto) {
case cpu_to_be16(ETH_P_IP):
+ if (mask_ip && mask_ip->tos)
+ return -EOPNOTSUPP;
+ if (mask_ip && mask_ip->ttl)
+ return -EOPNOTSUPP;
key_layer |= NFP_FLOWER_LAYER_IPV4;
key_size += sizeof(struct nfp_flower_ipv4);
break;
case cpu_to_be16(ETH_P_IPV6):
+ if (mask_ip && mask_ip->tos)
+ return -EOPNOTSUPP;
+ if (mask_ip && mask_ip->ttl)
+ return -EOPNOTSUPP;
key_layer |= NFP_FLOWER_LAYER_IPV6;
key_size += sizeof(struct nfp_flower_ipv6);
break;
@@ -152,6 +171,11 @@
case cpu_to_be16(ETH_P_ARP):
return -EOPNOTSUPP;
+ /* Currently we do not offload MPLS. */
+ case cpu_to_be16(ETH_P_MPLS_UC):
+ case cpu_to_be16(ETH_P_MPLS_MC):
+ return -EOPNOTSUPP;
+
/* Will be included in layer 2. */
case cpu_to_be16(ETH_P_8021Q):
break;
@@ -166,7 +190,7 @@
}
}
- if (mask_basic->ip_proto) {
+ if (mask_basic && mask_basic->ip_proto) {
/* Ethernet type is present in the key. */
switch (key_basic->ip_proto) {
case IPPROTO_TCP:
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index d67969d..3f199db 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -98,21 +98,20 @@
struct nfp_pf *pf = pci_get_drvdata(pdev);
int err;
- mutex_lock(&pf->lock);
-
if (num_vfs > pf->limit_vfs) {
nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n",
pf->limit_vfs);
- err = -EINVAL;
- goto err_unlock;
+ return -EINVAL;
}
err = pci_enable_sriov(pdev, num_vfs);
if (err) {
dev_warn(&pdev->dev, "Failed to enable PCI SR-IOV: %d\n", err);
- goto err_unlock;
+ return err;
}
+ mutex_lock(&pf->lock);
+
err = nfp_app_sriov_enable(pf->app, num_vfs);
if (err) {
dev_warn(&pdev->dev,
@@ -129,9 +128,8 @@
return num_vfs;
err_sriov_disable:
- pci_disable_sriov(pdev);
-err_unlock:
mutex_unlock(&pf->lock);
+ pci_disable_sriov(pdev);
return err;
#endif
return 0;
@@ -158,10 +156,10 @@
pf->num_vfs = 0;
+ mutex_unlock(&pf->lock);
+
pci_disable_sriov(pdev);
dev_dbg(&pdev->dev, "Removed VFs.\n");
-
- mutex_unlock(&pf->lock);
#endif
return 0;
}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 18750ff..66a09e4 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -513,6 +513,7 @@
tx_ring->idx = idx;
tx_ring->r_vec = r_vec;
tx_ring->is_xdp = is_xdp;
+ u64_stats_init(&tx_ring->r_vec->tx_sync);
tx_ring->qcidx = tx_ring->idx * nn->stride_tx;
tx_ring->qcp_q = nn->tx_bar + NFP_QCP_QUEUE_OFF(tx_ring->qcidx);
@@ -532,6 +533,7 @@
rx_ring->idx = idx;
rx_ring->r_vec = r_vec;
+ u64_stats_init(&rx_ring->r_vec->rx_sync);
rx_ring->fl_qcidx = rx_ring->idx * nn->stride_rx;
rx_ring->qcp_fl = nn->rx_bar + NFP_QCP_QUEUE_OFF(rx_ring->fl_qcidx);
@@ -893,6 +895,8 @@
netdev_tx_sent_queue(nd_q, txbuf->real_len);
+ skb_tx_timestamp(skb);
+
tx_ring->wr_p += nr_frags + 1;
if (nfp_net_tx_ring_should_stop(tx_ring))
nfp_net_tx_ring_stop(nd_q, tx_ring);
@@ -901,13 +905,10 @@
if (!skb->xmit_more || netif_xmit_stopped(nd_q))
nfp_net_tx_xmit_more_flush(tx_ring);
- skb_tx_timestamp(skb);
-
return NETDEV_TX_OK;
err_unmap:
- --f;
- while (f >= 0) {
+ while (--f >= 0) {
frag = &skb_shinfo(skb)->frags[f];
dma_unmap_page(dp->dev, tx_ring->txbufs[wr_idx].dma_addr,
skb_frag_size(frag), DMA_TO_DEVICE);
@@ -1750,6 +1751,10 @@
continue;
}
+ nfp_net_dma_unmap_rx(dp, rxbuf->dma_addr);
+
+ nfp_net_rx_give_one(dp, rx_ring, new_frag, new_dma_addr);
+
if (likely(!meta.portid)) {
netdev = dp->netdev;
} else {
@@ -1758,16 +1763,12 @@
nn = netdev_priv(dp->netdev);
netdev = nfp_app_repr_get(nn->app, meta.portid);
if (unlikely(!netdev)) {
- nfp_net_rx_drop(dp, r_vec, rx_ring, rxbuf, skb);
+ nfp_net_rx_drop(dp, r_vec, rx_ring, NULL, skb);
continue;
}
nfp_repr_inc_rx_stats(netdev, pkt_len);
}
- nfp_net_dma_unmap_rx(dp, rxbuf->dma_addr);
-
- nfp_net_rx_give_one(dp, rx_ring, new_frag, new_dma_addr);
-
skb_reserve(skb, pkt_off);
skb_put(skb, pkt_len);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
index 5797dbf..34b9853 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
@@ -456,13 +456,9 @@
{
int err;
- err = nfp_net_pf_app_start_ctrl(pf);
- if (err)
- return err;
-
err = nfp_app_start(pf->app, pf->ctrl_vnic);
if (err)
- goto err_ctrl_stop;
+ return err;
if (pf->num_vfs) {
err = nfp_app_sriov_enable(pf->app, pf->num_vfs);
@@ -474,8 +470,6 @@
err_app_stop:
nfp_app_stop(pf->app);
-err_ctrl_stop:
- nfp_net_pf_app_stop_ctrl(pf);
return err;
}
@@ -484,7 +478,6 @@
if (pf->num_vfs)
nfp_app_sriov_disable(pf->app);
nfp_app_stop(pf->app);
- nfp_net_pf_app_stop_ctrl(pf);
}
static void nfp_net_pci_unmap_mem(struct nfp_pf *pf)
@@ -559,7 +552,7 @@
static void nfp_net_pci_remove_finish(struct nfp_pf *pf)
{
- nfp_net_pf_app_stop(pf);
+ nfp_net_pf_app_stop_ctrl(pf);
/* stop app first, to avoid double free of ctrl vNIC's ddir */
nfp_net_debugfs_dir_clean(&pf->ddir);
@@ -690,6 +683,7 @@
{
struct nfp_net_fw_version fw_ver;
u8 __iomem *ctrl_bar, *qc_bar;
+ struct nfp_net *nn;
int stride;
int err;
@@ -766,7 +760,7 @@
if (err)
goto err_free_vnics;
- err = nfp_net_pf_app_start(pf);
+ err = nfp_net_pf_app_start_ctrl(pf);
if (err)
goto err_free_irqs;
@@ -774,12 +768,20 @@
if (err)
goto err_stop_app;
+ err = nfp_net_pf_app_start(pf);
+ if (err)
+ goto err_clean_vnics;
+
mutex_unlock(&pf->lock);
return 0;
+err_clean_vnics:
+ list_for_each_entry(nn, &pf->vnics, vnic_list)
+ if (nfp_net_is_data_vnic(nn))
+ nfp_net_pf_clean_vnic(pf, nn);
err_stop_app:
- nfp_net_pf_app_stop(pf);
+ nfp_net_pf_app_stop_ctrl(pf);
err_free_irqs:
nfp_net_pf_free_irqs(pf);
err_free_vnics:
@@ -803,6 +805,8 @@
if (list_empty(&pf->vnics))
goto out;
+ nfp_net_pf_app_stop(pf);
+
list_for_each_entry(nn, &pf->vnics, vnic_list)
if (nfp_net_is_data_vnic(nn))
nfp_net_pf_clean_vnic(pf, nn);
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
index 66ff15d..0a66389 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
@@ -2311,7 +2311,7 @@
loop_cnt++) {
NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id);
read_addr = queueEntry->read_addr;
- for (k = 0; k < read_cnt; k--) {
+ for (k = 0; k < read_cnt; k++) {
NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0,
&read_value);
*data_buff++ = read_value;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 9da9104..3eb2416 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -253,7 +253,7 @@
size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL);
- if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr)
+ if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow)
goto err;
return 0;
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
index 28ea0af..e3223f2 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
@@ -724,7 +724,7 @@
seg_hdr->cookie = MPI_COREDUMP_COOKIE;
seg_hdr->segNum = seg_number;
seg_hdr->segSize = seg_size;
- memcpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1);
+ strncpy(seg_hdr->description, desc, (sizeof(seg_hdr->description)) - 1);
}
/*
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c
index 746d94e..60850bf 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac.c
@@ -766,11 +766,13 @@
struct emac_adapter *adpt = netdev_priv(netdev);
struct emac_sgmii *sgmii = &adpt->phy;
- /* Closing the SGMII turns off its interrupts */
- sgmii->close(adpt);
+ if (netdev->flags & IFF_UP) {
+ /* Closing the SGMII turns off its interrupts */
+ sgmii->close(adpt);
- /* Resetting the MAC turns off all DMA and its interrupts */
- emac_mac_reset(adpt);
+ /* Resetting the MAC turns off all DMA and its interrupts */
+ emac_mac_reset(adpt);
+ }
}
static struct platform_driver emac_platform_driver = {
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index bd07a15..e03fcf9 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -6863,8 +6863,7 @@
rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
tp->TxDescArray + entry);
if (skb) {
- tp->dev->stats.tx_dropped++;
- dev_kfree_skb_any(skb);
+ dev_consume_skb_any(skb);
tx_skb->skb = NULL;
}
}
@@ -7319,7 +7318,7 @@
tp->tx_stats.packets++;
tp->tx_stats.bytes += tx_skb->skb->len;
u64_stats_update_end(&tp->tx_stats.syncp);
- dev_kfree_skb_any(tx_skb->skb);
+ dev_consume_skb_any(tx_skb->skb);
tx_skb->skb = NULL;
}
dirty_tx++;
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
index 73427e2..fbd00cb 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
@@ -47,6 +47,8 @@
plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
sizeof(*plat->mdio_bus_data),
GFP_KERNEL);
+ if (!plat->mdio_bus_data)
+ return -ENOMEM;
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL);
if (!dma_cfg)
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c
index c905971..990a63d7 100644
--- a/drivers/net/ethernet/sfc/mcdi_port.c
+++ b/drivers/net/ethernet/sfc/mcdi_port.c
@@ -938,7 +938,6 @@
static int efx_mcdi_mac_stats(struct efx_nic *efx,
enum efx_stats_action action, int clear)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
int rc;
int change = action == EFX_STATS_PULL ? 0 : 1;
@@ -960,7 +959,12 @@
MAC_STATS_IN_PERIODIC_NOEVENT, 1,
MAC_STATS_IN_PERIOD_MS, period);
MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
- MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, nic_data->vport_id);
+
+ if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) {
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+ MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, nic_data->vport_id);
+ }
rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
NULL, 0, NULL);
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c
index b607936..9c0488e 100644
--- a/drivers/net/ethernet/sgi/ioc3-eth.c
+++ b/drivers/net/ethernet/sgi/ioc3-eth.c
@@ -90,17 +90,13 @@
spinlock_t ioc3_lock;
struct mii_if_info mii;
+ struct net_device *dev;
struct pci_dev *pdev;
/* Members used by autonegotiation */
struct timer_list ioc3_timer;
};
-static inline struct net_device *priv_netdev(struct ioc3_private *dev)
-{
- return (void *)dev - ((sizeof(struct net_device) + 31) & ~31);
-}
-
static int ioc3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void ioc3_set_multicast_list(struct net_device *dev);
static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev);
@@ -427,7 +423,7 @@
nic[i] = nic_read_byte(ioc3);
for (i = 2; i < 8; i++)
- priv_netdev(ip)->dev_addr[i - 2] = nic[i];
+ ip->dev->dev_addr[i - 2] = nic[i];
}
/*
@@ -439,7 +435,7 @@
{
ioc3_get_eaddr_nic(ip);
- printk("Ethernet address is %pM.\n", priv_netdev(ip)->dev_addr);
+ printk("Ethernet address is %pM.\n", ip->dev->dev_addr);
}
static void __ioc3_set_mac_address(struct net_device *dev)
@@ -790,13 +786,12 @@
*/
static int ioc3_mii_init(struct ioc3_private *ip)
{
- struct net_device *dev = priv_netdev(ip);
int i, found = 0, res = 0;
int ioc3_phy_workaround = 1;
u16 word;
for (i = 0; i < 32; i++) {
- word = ioc3_mdio_read(dev, i, MII_PHYSID1);
+ word = ioc3_mdio_read(ip->dev, i, MII_PHYSID1);
if (word != 0xffff && word != 0x0000) {
found = 1;
@@ -1276,6 +1271,7 @@
SET_NETDEV_DEV(dev, &pdev->dev);
ip = netdev_priv(dev);
+ ip->dev = dev;
dev->irq = pdev->irq;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 17d4bba..6e35957 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -269,7 +269,10 @@
ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift);
ctrl |= val << reg_shift;
- if (dwmac->f2h_ptp_ref_clk) {
+ if (dwmac->f2h_ptp_ref_clk ||
+ phymode == PHY_INTERFACE_MODE_MII ||
+ phymode == PHY_INTERFACE_MODE_GMII ||
+ phymode == PHY_INTERFACE_MODE_SGMII) {
ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
&module);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index fffd6d5..39c2122 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -979,14 +979,6 @@
}
static const struct of_device_id sun8i_dwmac_match[] = {
- { .compatible = "allwinner,sun8i-h3-emac",
- .data = &emac_variant_h3 },
- { .compatible = "allwinner,sun8i-v3s-emac",
- .data = &emac_variant_v3s },
- { .compatible = "allwinner,sun8i-a83t-emac",
- .data = &emac_variant_a83t },
- { .compatible = "allwinner,sun50i-a64-emac",
- .data = &emac_variant_a64 },
{ }
};
MODULE_DEVICE_TABLE(of, sun8i_dwmac_match);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index 22cf635..7ecf549 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -205,7 +205,7 @@
{
int i;
- for (i = 0; i < 23; i++)
+ for (i = 0; i < NUM_DWMAC1000_DMA_REGS; i++)
if ((i < 12) || (i > 17))
reg_space[DMA_BUS_MODE / 4 + i] =
readl(ioaddr + DMA_BUS_MODE + i * 4);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
index eef2f22..6502b9a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -70,7 +70,7 @@
{
int i;
- for (i = 0; i < 9; i++)
+ for (i = 0; i < NUM_DWMAC100_DMA_REGS; i++)
reg_space[DMA_BUS_MODE / 4 + i] =
readl(ioaddr + DMA_BUS_MODE + i * 4);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index f233bf8..c4407e8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -117,7 +117,7 @@
void __iomem *ioaddr = hw->pcsr;
u32 value;
- const struct stmmac_rx_routing route_possibilities[] = {
+ static const struct stmmac_rx_routing route_possibilities[] = {
{ GMAC_RXQCTRL_AVCPQ_MASK, GMAC_RXQCTRL_AVCPQ_SHIFT },
{ GMAC_RXQCTRL_PTPQ_MASK, GMAC_RXQCTRL_PTPQ_SHIFT },
{ GMAC_RXQCTRL_DCBCPQ_MASK, GMAC_RXQCTRL_DCBCPQ_SHIFT },
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
index 9091df8..adc5400 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
@@ -136,6 +136,9 @@
#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
+#define NUM_DWMAC100_DMA_REGS 9
+#define NUM_DWMAC1000_DMA_REGS 23
+
void dwmac_enable_dma_transmission(void __iomem *ioaddr);
void dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan);
void dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index babb39c..af30b48 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -33,6 +33,8 @@
#define MAC100_ETHTOOL_NAME "st_mac100"
#define GMAC_ETHTOOL_NAME "st_gmac"
+#define ETHTOOL_DMA_OFFSET 55
+
struct stmmac_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
@@ -442,6 +444,9 @@
priv->hw->mac->dump_regs(priv->hw, reg_space);
priv->hw->dma->dump_regs(priv->ioaddr, reg_space);
+ /* Copy DMA registers to where ethtool expects them */
+ memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[DMA_BUS_MODE / 4],
+ NUM_DWMAC1000_DMA_REGS * 4);
}
static void
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 1853f7f..1763e48 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4120,8 +4120,15 @@
if ((phyaddr >= 0) && (phyaddr <= 31))
priv->plat->phy_addr = phyaddr;
- if (priv->plat->stmmac_rst)
+ if (priv->plat->stmmac_rst) {
+ ret = reset_control_assert(priv->plat->stmmac_rst);
reset_control_deassert(priv->plat->stmmac_rst);
+ /* Some reset controllers have only reset callback instead of
+ * assert + deassert callbacks pair.
+ */
+ if (ret == -ENOTSUPP)
+ reset_control_reset(priv->plat->stmmac_rst);
+ }
/* Init MAC and get the capabilities */
ret = stmmac_hw_init(priv);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index db157a4..72ec711 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -204,6 +204,7 @@
struct stmmac_priv *priv = netdev_priv(ndev);
struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
struct device_node *mdio_node = priv->plat->mdio_node;
+ struct device *dev = ndev->dev.parent;
int addr, found;
if (!mdio_bus_data)
@@ -237,7 +238,7 @@
else
err = mdiobus_register(new_bus);
if (err != 0) {
- netdev_err(ndev, "Cannot register the MDIO bus\n");
+ dev_err(dev, "Cannot register the MDIO bus\n");
goto bus_register_fail;
}
@@ -285,14 +286,12 @@
irq_str = irq_num;
break;
}
- netdev_info(ndev, "PHY ID %08x at %d IRQ %s (%s)%s\n",
- phydev->phy_id, addr, irq_str, phydev_name(phydev),
- act ? " active" : "");
+ phy_attached_info(phydev);
found = 1;
}
if (!found && !mdio_node) {
- netdev_warn(ndev, "No PHY found\n");
+ dev_warn(dev, "No PHY found\n");
mdiobus_unregister(new_bus);
mdiobus_free(new_bus);
return -ENODEV;
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 46cb7f8..4bb04aa 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -9532,7 +9532,7 @@
p = niu_new_parent(np, id, ptype);
if (p) {
- char port_name[6];
+ char port_name[8];
int err;
sprintf(port_name, "port%d", port);
@@ -9553,7 +9553,7 @@
{
struct niu_parent *p = np->parent;
u8 port = np->port;
- char port_name[6];
+ char port_name[8];
BUG_ON(!p || p->ports[port] != np);
diff --git a/drivers/net/ethernet/sun/sunhme.h b/drivers/net/ethernet/sun/sunhme.h
index 3af540a..fca1bca 100644
--- a/drivers/net/ethernet/sun/sunhme.h
+++ b/drivers/net/ethernet/sun/sunhme.h
@@ -13,9 +13,9 @@
/* Happy Meal global registers. */
#define GREG_SWRESET 0x000UL /* Software Reset */
#define GREG_CFG 0x004UL /* Config Register */
-#define GREG_STAT 0x108UL /* Status */
-#define GREG_IMASK 0x10cUL /* Interrupt Mask */
-#define GREG_REG_SIZE 0x110UL
+#define GREG_STAT 0x100UL /* Status */
+#define GREG_IMASK 0x104UL /* Interrupt Mask */
+#define GREG_REG_SIZE 0x108UL
/* Global reset register. */
#define GREG_RESET_ETX 0x01
diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c
index 711fbbb..163d8d1 100644
--- a/drivers/net/ethernet/tehuti/tehuti.c
+++ b/drivers/net/ethernet/tehuti/tehuti.c
@@ -654,6 +654,8 @@
RET(-EFAULT);
}
DBG("%d 0x%x 0x%x\n", data[0], data[1], data[2]);
+ } else {
+ return -EOPNOTSUPP;
}
if (!capable(CAP_SYS_RAWIO))
diff --git a/drivers/net/ethernet/ti/cpsw-common.c b/drivers/net/ethernet/ti/cpsw-common.c
index 56ba411..38d1cc5 100644
--- a/drivers/net/ethernet/ti/cpsw-common.c
+++ b/drivers/net/ethernet/ti/cpsw-common.c
@@ -96,7 +96,7 @@
if (of_machine_is_compatible("ti,dra7"))
return davinci_emac_3517_get_macid(dev, 0x514, slave, mac_addr);
- dev_err(dev, "incompatible machine/device type for reading mac address\n");
+ dev_info(dev, "incompatible machine/device type for reading mac address\n");
return -ENOENT;
}
EXPORT_SYMBOL_GPL(ti_cm_get_macid);
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 1850e34..badd0a8 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -3089,6 +3089,31 @@
cpsw->quirk_irq = true;
}
+ ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
+ ndev->netdev_ops = &cpsw_netdev_ops;
+ ndev->ethtool_ops = &cpsw_ethtool_ops;
+ netif_napi_add(ndev, &cpsw->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT);
+ netif_tx_napi_add(ndev, &cpsw->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT);
+ cpsw_split_res(ndev);
+
+ /* register the network device */
+ SET_NETDEV_DEV(ndev, &pdev->dev);
+ ret = register_netdev(ndev);
+ if (ret) {
+ dev_err(priv->dev, "error registering net device\n");
+ ret = -ENODEV;
+ goto clean_ale_ret;
+ }
+
+ if (cpsw->data.dual_emac) {
+ ret = cpsw_probe_dual_emac(priv);
+ if (ret) {
+ cpsw_err(priv, probe, "error probe slave 2 emac interface\n");
+ goto clean_unregister_netdev_ret;
+ }
+ }
+
/* Grab RX and TX IRQs. Note that we also have RX_THRESHOLD and
* MISC IRQs which are always kept disabled with this driver so
* we will not request them.
@@ -3127,33 +3152,9 @@
goto clean_ale_ret;
}
- ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
-
- ndev->netdev_ops = &cpsw_netdev_ops;
- ndev->ethtool_ops = &cpsw_ethtool_ops;
- netif_napi_add(ndev, &cpsw->napi_rx, cpsw_rx_poll, CPSW_POLL_WEIGHT);
- netif_tx_napi_add(ndev, &cpsw->napi_tx, cpsw_tx_poll, CPSW_POLL_WEIGHT);
- cpsw_split_res(ndev);
-
- /* register the network device */
- SET_NETDEV_DEV(ndev, &pdev->dev);
- ret = register_netdev(ndev);
- if (ret) {
- dev_err(priv->dev, "error registering net device\n");
- ret = -ENODEV;
- goto clean_ale_ret;
- }
-
cpsw_notice(priv, probe,
"initialized device (regs %pa, irq %d, pool size %d)\n",
&ss_res->start, ndev->irq, dma_params.descs_pool_size);
- if (cpsw->data.dual_emac) {
- ret = cpsw_probe_dual_emac(priv);
- if (ret) {
- cpsw_err(priv, probe, "error probe slave 2 emac interface\n");
- goto clean_unregister_netdev_ret;
- }
- }
pm_runtime_put(&pdev->dev);
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 32279d2..c2121d2 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -31,9 +31,18 @@
#include "cpts.h"
+#define CPTS_SKB_TX_WORK_TIMEOUT 1 /* jiffies */
+
+struct cpts_skb_cb_data {
+ unsigned long tmo;
+};
+
#define cpts_read32(c, r) readl_relaxed(&c->reg->r)
#define cpts_write32(c, v, r) writel_relaxed(v, &c->reg->r)
+static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
+ u16 ts_seqid, u8 ts_msgtype);
+
static int event_expired(struct cpts_event *event)
{
return time_after(jiffies, event->tmo);
@@ -77,6 +86,47 @@
return removed ? 0 : -1;
}
+static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event)
+{
+ struct sk_buff *skb, *tmp;
+ u16 seqid;
+ u8 mtype;
+ bool found = false;
+
+ mtype = (event->high >> MESSAGE_TYPE_SHIFT) & MESSAGE_TYPE_MASK;
+ seqid = (event->high >> SEQUENCE_ID_SHIFT) & SEQUENCE_ID_MASK;
+
+ /* no need to grab txq.lock as access is always done under cpts->lock */
+ skb_queue_walk_safe(&cpts->txq, skb, tmp) {
+ struct skb_shared_hwtstamps ssh;
+ unsigned int class = ptp_classify_raw(skb);
+ struct cpts_skb_cb_data *skb_cb =
+ (struct cpts_skb_cb_data *)skb->cb;
+
+ if (cpts_match(skb, class, seqid, mtype)) {
+ u64 ns = timecounter_cyc2time(&cpts->tc, event->low);
+
+ memset(&ssh, 0, sizeof(ssh));
+ ssh.hwtstamp = ns_to_ktime(ns);
+ skb_tstamp_tx(skb, &ssh);
+ found = true;
+ __skb_unlink(skb, &cpts->txq);
+ dev_consume_skb_any(skb);
+ dev_dbg(cpts->dev, "match tx timestamp mtype %u seqid %04x\n",
+ mtype, seqid);
+ } else if (time_after(jiffies, skb_cb->tmo)) {
+ /* timeout any expired skbs over 1s */
+ dev_dbg(cpts->dev,
+ "expiring tx timestamp mtype %u seqid %04x\n",
+ mtype, seqid);
+ __skb_unlink(skb, &cpts->txq);
+ dev_consume_skb_any(skb);
+ }
+ }
+
+ return found;
+}
+
/*
* Returns zero if matching event type was found.
*/
@@ -101,9 +151,15 @@
event->low = lo;
type = event_type(event);
switch (type) {
+ case CPTS_EV_TX:
+ if (cpts_match_tx_ts(cpts, event)) {
+ /* if the new event matches an existing skb,
+ * then don't queue it
+ */
+ break;
+ }
case CPTS_EV_PUSH:
case CPTS_EV_RX:
- case CPTS_EV_TX:
list_del_init(&event->list);
list_add_tail(&event->list, &cpts->events);
break;
@@ -224,6 +280,24 @@
return -EOPNOTSUPP;
}
+static long cpts_overflow_check(struct ptp_clock_info *ptp)
+{
+ struct cpts *cpts = container_of(ptp, struct cpts, info);
+ unsigned long delay = cpts->ov_check_period;
+ struct timespec64 ts;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ ts = ns_to_timespec64(timecounter_read(&cpts->tc));
+
+ if (!skb_queue_empty(&cpts->txq))
+ delay = CPTS_SKB_TX_WORK_TIMEOUT;
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
+ return (long)delay;
+}
+
static struct ptp_clock_info cpts_info = {
.owner = THIS_MODULE,
.name = "CTPS timer",
@@ -236,18 +310,9 @@
.gettime64 = cpts_ptp_gettime,
.settime64 = cpts_ptp_settime,
.enable = cpts_ptp_enable,
+ .do_aux_work = cpts_overflow_check,
};
-static void cpts_overflow_check(struct work_struct *work)
-{
- struct timespec64 ts;
- struct cpts *cpts = container_of(work, struct cpts, overflow_work.work);
-
- cpts_ptp_gettime(&cpts->info, &ts);
- pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
- schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period);
-}
-
static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
u16 ts_seqid, u8 ts_msgtype)
{
@@ -299,7 +364,7 @@
return 0;
spin_lock_irqsave(&cpts->lock, flags);
- cpts_fifo_read(cpts, CPTS_EV_PUSH);
+ cpts_fifo_read(cpts, -1);
list_for_each_safe(this, next, &cpts->events) {
event = list_entry(this, struct cpts_event, list);
if (event_expired(event)) {
@@ -317,6 +382,19 @@
break;
}
}
+
+ if (ev_type == CPTS_EV_TX && !ns) {
+ struct cpts_skb_cb_data *skb_cb =
+ (struct cpts_skb_cb_data *)skb->cb;
+ /* Not found, add frame to queue for processing later.
+ * The periodic FIFO check will handle this.
+ */
+ skb_get(skb);
+ /* get the timestamp for timeouts */
+ skb_cb->tmo = jiffies + msecs_to_jiffies(100);
+ __skb_queue_tail(&cpts->txq, skb);
+ ptp_schedule_worker(cpts->clock, 0);
+ }
spin_unlock_irqrestore(&cpts->lock, flags);
return ns;
@@ -358,6 +436,7 @@
{
int err, i;
+ skb_queue_head_init(&cpts->txq);
INIT_LIST_HEAD(&cpts->events);
INIT_LIST_HEAD(&cpts->pool);
for (i = 0; i < CPTS_MAX_EVENTS; i++)
@@ -378,7 +457,7 @@
}
cpts->phc_index = ptp_clock_index(cpts->clock);
- schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period);
+ ptp_schedule_worker(cpts->clock, cpts->ov_check_period);
return 0;
err_ptp:
@@ -392,14 +471,15 @@
if (WARN_ON(!cpts->clock))
return;
- cancel_delayed_work_sync(&cpts->overflow_work);
-
ptp_clock_unregister(cpts->clock);
cpts->clock = NULL;
cpts_write32(cpts, 0, int_enable);
cpts_write32(cpts, 0, control);
+ /* Drop all packet */
+ skb_queue_purge(&cpts->txq);
+
clk_disable(cpts->refclk);
}
EXPORT_SYMBOL_GPL(cpts_unregister);
@@ -476,7 +556,6 @@
cpts->dev = dev;
cpts->reg = (struct cpsw_cpts __iomem *)regs;
spin_lock_init(&cpts->lock);
- INIT_DELAYED_WORK(&cpts->overflow_work, cpts_overflow_check);
ret = cpts_of_parse(cpts, node);
if (ret)
diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h
index 01ea82b..73d73fa 100644
--- a/drivers/net/ethernet/ti/cpts.h
+++ b/drivers/net/ethernet/ti/cpts.h
@@ -119,13 +119,13 @@
u32 cc_mult; /* for the nominal frequency */
struct cyclecounter cc;
struct timecounter tc;
- struct delayed_work overflow_work;
int phc_index;
struct clk *refclk;
struct list_head events;
struct list_head pool;
struct cpts_event pool_data[CPTS_MAX_EVENTS];
unsigned long ov_check_period;
+ struct sk_buff_head txq;
};
void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb);
diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c
index d9db8a0..cce9c9e 100644
--- a/drivers/net/ethernet/toshiba/tc35815.c
+++ b/drivers/net/ethernet/toshiba/tc35815.c
@@ -1338,7 +1338,7 @@
static void tc35815_fatal_error_interrupt(struct net_device *dev, u32 status)
{
static int count;
- printk(KERN_WARNING "%s: Fatal Error Intterrupt (%#x):",
+ printk(KERN_WARNING "%s: Fatal Error Interrupt (%#x):",
dev->name, status);
if (status & Int_IntPCI)
printk(" IntPCI");
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index de8156c..2bbda71 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1091,7 +1091,7 @@
if (data[IFLA_GENEVE_ID]) {
__u32 vni = nla_get_u32(data[IFLA_GENEVE_ID]);
- if (vni >= GENEVE_VID_MASK)
+ if (vni >= GENEVE_N_VID)
return -ERANGE;
}
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 1542e83..f38e32a 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -364,7 +364,7 @@
gtp->dev = dev;
- dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index d6c2558..12cc64b 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -765,7 +765,8 @@
u32 max_chn;
u32 num_chn;
- refcount_t sc_offered;
+ atomic_t open_chn;
+ wait_queue_head_t subchan_open;
struct rndis_device *extension;
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 0a9167d..d18c332 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -78,6 +78,7 @@
net_device->max_pkt = RNDIS_MAX_PKT_DEFAULT;
net_device->pkt_align = RNDIS_PKT_ALIGN_DEFAULT;
init_completion(&net_device->channel_init_wait);
+ init_waitqueue_head(&net_device->subchan_open);
return net_device;
}
@@ -1302,6 +1303,8 @@
struct netvsc_channel *nvchan = &net_device->chan_table[i];
nvchan->channel = device->channel;
+ u64_stats_init(&nvchan->tx_stats.syncp);
+ u64_stats_init(&nvchan->rx_stats.syncp);
}
/* Enable NAPI handler before init callbacks */
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 63c98bb..d91cbc6 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -315,14 +315,34 @@
return slots_used;
}
-/* Estimate number of page buffers neede to transmit
- * Need at most 2 for RNDIS header plus skb body and fragments.
- */
-static unsigned int netvsc_get_slots(const struct sk_buff *skb)
+static int count_skb_frag_slots(struct sk_buff *skb)
{
- return PFN_UP(offset_in_page(skb->data) + skb_headlen(skb))
- + skb_shinfo(skb)->nr_frags
- + 2;
+ int i, frags = skb_shinfo(skb)->nr_frags;
+ int pages = 0;
+
+ for (i = 0; i < frags; i++) {
+ skb_frag_t *frag = skb_shinfo(skb)->frags + i;
+ unsigned long size = skb_frag_size(frag);
+ unsigned long offset = frag->page_offset;
+
+ /* Skip unused frames from start of page */
+ offset &= ~PAGE_MASK;
+ pages += PFN_UP(offset + size);
+ }
+ return pages;
+}
+
+static int netvsc_get_slots(struct sk_buff *skb)
+{
+ char *data = skb->data;
+ unsigned int offset = offset_in_page(data);
+ unsigned int len = skb_headlen(skb);
+ int slots;
+ int frag_slots;
+
+ slots = DIV_ROUND_UP(offset + len, PAGE_SIZE);
+ frag_slots = count_skb_frag_slots(skb);
+ return slots + frag_slots;
}
static u32 net_checksum_info(struct sk_buff *skb)
@@ -360,18 +380,21 @@
struct hv_page_buffer page_buf[MAX_PAGE_BUFFER_COUNT];
struct hv_page_buffer *pb = page_buf;
- /* We can only transmit MAX_PAGE_BUFFER_COUNT number
+ /* We will atmost need two pages to describe the rndis
+ * header. We can only transmit MAX_PAGE_BUFFER_COUNT number
* of pages in a single packet. If skb is scattered around
* more pages we try linearizing it.
*/
- num_data_pgs = netvsc_get_slots(skb);
+
+ num_data_pgs = netvsc_get_slots(skb) + 2;
+
if (unlikely(num_data_pgs > MAX_PAGE_BUFFER_COUNT)) {
++net_device_ctx->eth_stats.tx_scattered;
if (skb_linearize(skb))
goto no_memory;
- num_data_pgs = netvsc_get_slots(skb);
+ num_data_pgs = netvsc_get_slots(skb) + 2;
if (num_data_pgs > MAX_PAGE_BUFFER_COUNT) {
++net_device_ctx->eth_stats.tx_too_big;
goto drop;
@@ -1246,7 +1269,12 @@
bool notify = false, reschedule = false;
unsigned long flags, next_reconfig, delay;
- rtnl_lock();
+ /* if changes are happening, comeback later */
+ if (!rtnl_trylock()) {
+ schedule_delayed_work(&ndev_ctx->dwork, LINKCHANGE_INT);
+ return;
+ }
+
net_device = rtnl_dereference(ndev_ctx->nvdev);
if (!net_device)
goto out_unlock;
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 85c00e1..d6308ff 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -1048,8 +1048,8 @@
else
netif_napi_del(&nvchan->napi);
- if (refcount_dec_and_test(&nvscdev->sc_offered))
- complete(&nvscdev->channel_init_wait);
+ atomic_inc(&nvscdev->open_chn);
+ wake_up(&nvscdev->subchan_open);
}
int rndis_filter_device_add(struct hv_device *dev,
@@ -1090,8 +1090,6 @@
net_device->max_chn = 1;
net_device->num_chn = 1;
- refcount_set(&net_device->sc_offered, 0);
-
net_device->extension = rndis_device;
rndis_device->ndev = net;
@@ -1221,11 +1219,11 @@
rndis_device->ind_table[i] = ethtool_rxfh_indir_default(i,
net_device->num_chn);
+ atomic_set(&net_device->open_chn, 1);
num_rss_qs = net_device->num_chn - 1;
if (num_rss_qs == 0)
return 0;
- refcount_set(&net_device->sc_offered, num_rss_qs);
vmbus_set_sc_create_callback(dev->channel, netvsc_sc_open);
init_packet = &net_device->channel_init_pkt;
@@ -1242,15 +1240,19 @@
if (ret)
goto out;
+ wait_for_completion(&net_device->channel_init_wait);
if (init_packet->msg.v5_msg.subchn_comp.status != NVSP_STAT_SUCCESS) {
ret = -ENODEV;
goto out;
}
- wait_for_completion(&net_device->channel_init_wait);
net_device->num_chn = 1 +
init_packet->msg.v5_msg.subchn_comp.num_subchannels;
+ /* wait for all sub channels to open */
+ wait_event(net_device->subchan_open,
+ atomic_read(&net_device->open_chn) == net_device->num_chn);
+
/* ignore failues from setting rss parameters, still have channels */
rndis_filter_set_rss_param(rndis_device, netvsc_hash_key,
net_device->num_chn);
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index f37e3c1..8dab74a 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -192,7 +192,7 @@
netdev_lockdep_set_classes(dev);
- ipvlan->pcpu_stats = alloc_percpu(struct ipvl_pcpu_stats);
+ ipvlan->pcpu_stats = netdev_alloc_pcpu_stats(struct ipvl_pcpu_stats);
if (!ipvlan->pcpu_stats)
return -ENOMEM;
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index 6f6ed75..765de3b 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -141,9 +141,19 @@
static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val)
{
struct usb_device *dev = mcs->usbdev;
- int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
- MCS_RD_RTYPE, 0, reg, val, 2,
- msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+ void *dmabuf;
+ int ret;
+
+ dmabuf = kmalloc(sizeof(__u16), GFP_KERNEL);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
+ MCS_RD_RTYPE, 0, reg, dmabuf, 2,
+ msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+
+ memcpy(val, dmabuf, sizeof(__u16));
+ kfree(dmabuf);
return ret;
}
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 5e1ab11..98e4dea 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3521,6 +3521,7 @@
module_exit(macsec_exit);
MODULE_ALIAS_RTNL_LINK("macsec");
+MODULE_ALIAS_GENL_FAMILY("macsec");
MODULE_DESCRIPTION("MACsec IEEE 802.1AE");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 2dda720..928fd89 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -7,7 +7,16 @@
help
MDIO devices and driver infrastructure code.
-if MDIO_DEVICE
+config MDIO_BUS
+ tristate
+ default m if PHYLIB=m
+ default MDIO_DEVICE
+ help
+ This internal symbol is used for link time dependencies and it
+ reflects whether the mdio_bus/mdio_device code is built as a
+ loadable module or built-in.
+
+if MDIO_BUS
config MDIO_BCM_IPROC
tristate "Broadcom iProc MDIO bus controller"
@@ -28,7 +37,6 @@
config MDIO_BITBANG
tristate "Bitbanged MDIO buses"
- depends on !(MDIO_DEVICE=y && PHYLIB=m)
help
This module implements the MDIO bus protocol in software,
for use by low level drivers that export the ability to
@@ -127,7 +135,6 @@
tristate "ThunderX SOCs MDIO buses"
depends on 64BIT
depends on PCI
- depends on !(MDIO_DEVICE=y && PHYLIB=m)
select MDIO_CAVIUM
help
This driver supports the MDIO interfaces found on Cavium
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 00755b6..c608e1d 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -135,8 +135,8 @@
for_each_available_child_of_node(dev->of_node, child_bus_node) {
int v;
- v = of_mdio_parse_addr(dev, child_bus_node);
- if (v < 0) {
+ r = of_property_read_u32(child_bus_node, "reg", &v);
+ if (r) {
dev_err(dev,
"Error: Failed to find reg for child %s\n",
of_node_full_name(child_bus_node));
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 1790f7f..2f742ae 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -864,15 +864,17 @@
#define ATTACHED_FMT "attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)"
void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
{
+ const char *drv_name = phydev->drv ? phydev->drv->name : "unbound";
+
if (!fmt) {
dev_info(&phydev->mdio.dev, ATTACHED_FMT "\n",
- phydev->drv->name, phydev_name(phydev),
+ drv_name, phydev_name(phydev),
phydev->irq);
} else {
va_list ap;
dev_info(&phydev->mdio.dev, ATTACHED_FMT,
- phydev->drv->name, phydev_name(phydev),
+ drv_name, phydev_name(phydev),
phydev->irq);
va_start(ap, fmt);
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 1302883..a404552 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -120,6 +120,7 @@
int n_channels; /* how many channels are attached 54 */
spinlock_t rlock; /* lock for receive side 58 */
spinlock_t wlock; /* lock for transmit side 5c */
+ int *xmit_recursion __percpu; /* xmit recursion detect */
int mru; /* max receive unit 60 */
unsigned int flags; /* control bits 64 */
unsigned int xstate; /* transmit state bits 68 */
@@ -1025,6 +1026,7 @@
struct ppp *ppp = netdev_priv(dev);
int indx;
int err;
+ int cpu;
ppp->dev = dev;
ppp->ppp_net = src_net;
@@ -1039,6 +1041,15 @@
INIT_LIST_HEAD(&ppp->channels);
spin_lock_init(&ppp->rlock);
spin_lock_init(&ppp->wlock);
+
+ ppp->xmit_recursion = alloc_percpu(int);
+ if (!ppp->xmit_recursion) {
+ err = -ENOMEM;
+ goto err1;
+ }
+ for_each_possible_cpu(cpu)
+ (*per_cpu_ptr(ppp->xmit_recursion, cpu)) = 0;
+
#ifdef CONFIG_PPP_MULTILINK
ppp->minseq = -1;
skb_queue_head_init(&ppp->mrq);
@@ -1050,11 +1061,15 @@
err = ppp_unit_register(ppp, conf->unit, conf->ifname_is_set);
if (err < 0)
- return err;
+ goto err2;
conf->file->private_data = &ppp->file;
return 0;
+err2:
+ free_percpu(ppp->xmit_recursion);
+err1:
+ return err;
}
static const struct nla_policy ppp_nl_policy[IFLA_PPP_MAX + 1] = {
@@ -1400,18 +1415,16 @@
ppp_xmit_unlock(ppp);
}
-static DEFINE_PER_CPU(int, ppp_xmit_recursion);
-
static void ppp_xmit_process(struct ppp *ppp)
{
local_bh_disable();
- if (unlikely(__this_cpu_read(ppp_xmit_recursion)))
+ if (unlikely(*this_cpu_ptr(ppp->xmit_recursion)))
goto err;
- __this_cpu_inc(ppp_xmit_recursion);
+ (*this_cpu_ptr(ppp->xmit_recursion))++;
__ppp_xmit_process(ppp);
- __this_cpu_dec(ppp_xmit_recursion);
+ (*this_cpu_ptr(ppp->xmit_recursion))--;
local_bh_enable();
@@ -1902,23 +1915,23 @@
spin_unlock(&pch->downl);
/* see if there is anything from the attached unit to be sent */
if (skb_queue_empty(&pch->file.xq)) {
- read_lock(&pch->upl);
ppp = pch->ppp;
if (ppp)
__ppp_xmit_process(ppp);
- read_unlock(&pch->upl);
}
}
static void ppp_channel_push(struct channel *pch)
{
- local_bh_disable();
-
- __this_cpu_inc(ppp_xmit_recursion);
- __ppp_channel_push(pch);
- __this_cpu_dec(ppp_xmit_recursion);
-
- local_bh_enable();
+ read_lock_bh(&pch->upl);
+ if (pch->ppp) {
+ (*this_cpu_ptr(pch->ppp->xmit_recursion))++;
+ __ppp_channel_push(pch);
+ (*this_cpu_ptr(pch->ppp->xmit_recursion))--;
+ } else {
+ __ppp_channel_push(pch);
+ }
+ read_unlock_bh(&pch->upl);
}
/*
@@ -3057,6 +3070,7 @@
#endif /* CONFIG_PPP_FILTER */
kfree_skb(ppp->xmit_pending);
+ free_percpu(ppp->xmit_recursion);
free_netdev(ppp->dev);
}
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index eac499c..6dde9a0 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -131,7 +131,6 @@
clear_bit(sock->proto.pptp.src_addr.call_id, callid_bitmap);
RCU_INIT_POINTER(callid_sock[sock->proto.pptp.src_addr.call_id], NULL);
spin_unlock(&chan_lock);
- synchronize_rcu();
}
static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
@@ -520,6 +519,7 @@
po = pppox_sk(sk);
del_chan(po);
+ synchronize_rcu();
pppox_unbind_sock(sk);
sk->sk_state = PPPOX_DEAD;
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 4645704..ae53e89 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -60,11 +60,11 @@
static int __set_port_dev_addr(struct net_device *port_dev,
const unsigned char *dev_addr)
{
- struct sockaddr addr;
+ struct sockaddr_storage addr;
- memcpy(addr.sa_data, dev_addr, port_dev->addr_len);
- addr.sa_family = port_dev->type;
- return dev_set_mac_address(port_dev, &addr);
+ memcpy(addr.__data, dev_addr, port_dev->addr_len);
+ addr.ss_family = port_dev->type;
+ return dev_set_mac_address(port_dev, (struct sockaddr *)&addr);
}
static int team_port_set_orig_dev_addr(struct team_port *port)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3d4c245..0a2c0a4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1879,6 +1879,9 @@
err_detach:
tun_detach_all(dev);
+ /* register_netdevice() already called tun_free_netdev() */
+ goto err_free_dev;
+
err_free_flow:
tun_flow_uninit(tun);
security_tun_dev_free_security(tun->security);
@@ -2598,8 +2601,16 @@
goto err_misc;
}
- register_netdevice_notifier(&tun_notifier_block);
+ ret = register_netdevice_notifier(&tun_notifier_block);
+ if (ret) {
+ pr_err("Can't register netdevice notifier\n");
+ goto err_notifier;
+ }
+
return 0;
+
+err_notifier:
+ misc_deregister(&tun_miscdev);
err_misc:
rtnl_link_unregister(&tun_link_ops);
err_linkops:
diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index d109242..9a4171b 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -209,6 +209,7 @@
int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
struct asix_rx_fixup_info *rx);
int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
+void asix_rx_fixup_common_free(struct asix_common_private *dp);
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags);
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index 7847436..522d290 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -75,6 +75,27 @@
value, index, data, size);
}
+static void reset_asix_rx_fixup_info(struct asix_rx_fixup_info *rx)
+{
+ /* Reset the variables that have a lifetime outside of
+ * asix_rx_fixup_internal() so that future processing starts from a
+ * known set of initial conditions.
+ */
+
+ if (rx->ax_skb) {
+ /* Discard any incomplete Ethernet frame in the netdev buffer */
+ kfree_skb(rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
+
+ /* Assume the Data header 32-bit word is at the start of the current
+ * or next URB socket buffer so reset all the state variables.
+ */
+ rx->remaining = 0;
+ rx->split_head = false;
+ rx->header = 0;
+}
+
int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
struct asix_rx_fixup_info *rx)
{
@@ -99,15 +120,7 @@
if (size != ((~rx->header >> 16) & 0x7ff)) {
netdev_err(dev->net, "asix_rx_fixup() Data Header synchronisation was lost, remaining %d\n",
rx->remaining);
- if (rx->ax_skb) {
- kfree_skb(rx->ax_skb);
- rx->ax_skb = NULL;
- /* Discard the incomplete netdev Ethernet frame
- * and assume the Data header is at the start of
- * the current URB socket buffer.
- */
- }
- rx->remaining = 0;
+ reset_asix_rx_fixup_info(rx);
}
}
@@ -139,11 +152,13 @@
if (size != ((~rx->header >> 16) & 0x7ff)) {
netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n",
rx->header, offset);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
if (size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
netdev_dbg(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
@@ -168,8 +183,10 @@
if (rx->ax_skb) {
skb_put_data(rx->ax_skb, skb->data + offset,
copy_length);
- if (!rx->remaining)
+ if (!rx->remaining) {
usbnet_skb_return(dev, rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
}
offset += (copy_length + 1) & 0xfffe;
@@ -178,6 +195,7 @@
if (skb->len != offset) {
netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n",
skb->len, offset);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
@@ -192,6 +210,21 @@
return asix_rx_fixup_internal(dev, skb, rx);
}
+void asix_rx_fixup_common_free(struct asix_common_private *dp)
+{
+ struct asix_rx_fixup_info *rx;
+
+ if (!dp)
+ return;
+
+ rx = &dp->rx_fixup_info;
+
+ if (rx->ax_skb) {
+ kfree_skb(rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
+}
+
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index a3aa0a2..b2ff88e 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -764,6 +764,7 @@
static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
{
+ asix_rx_fixup_common_free(dev->driver_priv);
kfree(dev->driver_priv);
}
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index d103a1d..9c80e80 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -768,8 +768,10 @@
u8 *buf;
int len;
int temp;
+ int err;
u8 iface_no;
struct usb_cdc_parsed_header hdr;
+ u16 curr_ntb_format;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -874,6 +876,32 @@
goto error2;
}
+ /*
+ * Some Huawei devices have been observed to come out of reset in NDP32 mode.
+ * Let's check if this is the case, and set the device to NDP16 mode again if
+ * needed.
+ */
+ if (ctx->drvflags & CDC_NCM_FLAG_RESET_NTB16) {
+ err = usbnet_read_cmd(dev, USB_CDC_GET_NTB_FORMAT,
+ USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,
+ 0, iface_no, &curr_ntb_format, 2);
+ if (err < 0) {
+ goto error2;
+ }
+
+ if (curr_ntb_format == USB_CDC_NCM_NTB32_FORMAT) {
+ dev_info(&intf->dev, "resetting NTB format to 16-bit");
+ err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
+ USB_TYPE_CLASS | USB_DIR_OUT
+ | USB_RECIP_INTERFACE,
+ USB_CDC_NCM_NTB16_FORMAT,
+ iface_no, NULL, 0);
+
+ if (err < 0)
+ goto error2;
+ }
+ }
+
cdc_ncm_find_endpoints(dev, ctx->data);
cdc_ncm_find_endpoints(dev, ctx->control);
if (!dev->in || !dev->out || !dev->status) {
@@ -1730,6 +1758,13 @@
.driver_info = (unsigned long)&wwan_noarp_info,
},
+ /* u-blox TOBY-L4 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1546, 0x1010,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+ },
+
/* Generic CDC-NCM devices */
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index 2680a65..63f28908 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -80,6 +80,12 @@
* be at the end of the frame.
*/
drvflags |= CDC_NCM_FLAG_NDP_TO_END;
+
+ /* Additionally, it has been reported that some Huawei E3372H devices, with
+ * firmware version 21.318.01.00.541, come out of reset in NTB32 format mode, hence
+ * needing to be set to the NTB16 one again.
+ */
+ drvflags |= CDC_NCM_FLAG_RESET_NTB16;
ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags);
if (ret)
goto err;
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 5833f7e..b99a7fb 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2367,9 +2367,6 @@
/* Init LTM */
lan78xx_init_ltm(dev);
- dev->net->hard_header_len += TX_OVERHEAD;
- dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
-
if (dev->udev->speed == USB_SPEED_SUPER) {
buf = DEFAULT_BURST_CAP_SIZE / SS_USB_PKT_SIZE;
dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE;
@@ -2855,16 +2852,19 @@
return ret;
}
+ dev->net->hard_header_len += TX_OVERHEAD;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+
/* Init all registers */
ret = lan78xx_reset(dev);
- lan78xx_mdio_init(dev);
+ ret = lan78xx_mdio_init(dev);
dev->net->flags |= IFF_MULTICAST;
pdata->wol = WAKE_MAGIC;
- return 0;
+ return ret;
}
static void lan78xx_unbind(struct lan78xx_net *dev, struct usb_interface *intf)
@@ -3525,11 +3525,11 @@
udev = interface_to_usbdev(intf);
udev = usb_get_dev(udev);
- ret = -ENOMEM;
netdev = alloc_etherdev(sizeof(struct lan78xx_net));
if (!netdev) {
- dev_err(&intf->dev, "Error: OOM\n");
- goto out1;
+ dev_err(&intf->dev, "Error: OOM\n");
+ ret = -ENOMEM;
+ goto out1;
}
/* netdev_printk() needs this */
@@ -3610,7 +3610,7 @@
ret = register_netdev(netdev);
if (ret != 0) {
netif_err(dev, probe, netdev, "couldn't register the device\n");
- goto out2;
+ goto out3;
}
usb_set_intfdata(intf, dev);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 5894e3c..8c37336 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1175,6 +1175,7 @@
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
+ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
@@ -1340,10 +1341,14 @@
static void qmi_wwan_disconnect(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
- struct qmi_wwan_state *info = (void *)&dev->data;
+ struct qmi_wwan_state *info;
struct list_head *iter;
struct net_device *ldev;
+ /* called twice if separate control and data intf */
+ if (!dev)
+ return;
+ info = (void *)&dev->data;
if (info->flags & QMI_WWAN_FLAG_MUX) {
if (!rtnl_trylock()) {
restart_syscall();
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 2dfca96..340c134 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -898,6 +898,7 @@
.set_wol = smsc95xx_ethtool_set_wol,
.get_link_ksettings = smsc95xx_get_link_ksettings,
.set_link_ksettings = smsc95xx_set_link_ksettings,
+ .get_ts_info = ethtool_op_get_ts_info,
};
static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 99a26a9..b06169e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -889,21 +889,20 @@
buf = (char *)page_address(alloc_frag->page) + alloc_frag->offset;
buf += headroom; /* advance address leaving hole at front of pkt */
- ctx = (void *)(unsigned long)len;
get_page(alloc_frag->page);
alloc_frag->offset += len + headroom;
hole = alloc_frag->size - alloc_frag->offset;
if (hole < len + headroom) {
/* To avoid internal fragmentation, if there is very likely not
* enough space for another buffer, add the remaining space to
- * the current buffer. This extra space is not included in
- * the truesize stored in ctx.
+ * the current buffer.
*/
len += hole;
alloc_frag->offset += hole;
}
sg_init_one(rq->sg, buf, len);
+ ctx = (void *)(unsigned long)len;
err = virtqueue_add_inbuf_ctx(rq->vq, rq->sg, 1, buf, ctx, gfp);
if (err < 0)
put_page(virt_to_head_page(buf));
@@ -1059,7 +1058,7 @@
bytes += skb->len;
packets++;
- dev_kfree_skb_any(skb);
+ dev_consume_skb_any(skb);
}
/* Avoid overhead when no packets have been processed
@@ -2743,9 +2742,9 @@
static __exit void virtio_net_driver_exit(void)
{
+ unregister_virtio_driver(&virtio_net_driver);
cpuhp_remove_multi_state(CPUHP_VIRT_NET_DEAD);
cpuhp_remove_multi_state(virtionet_online);
- unregister_virtio_driver(&virtio_net_driver);
}
module_exit(virtio_net_driver_exit);
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index ba1c9f9..9c51b8b 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -311,7 +311,7 @@
u8 num_intrs; /* # of intr vectors */
u8 event_intr_idx; /* idx of the intr vector for event */
u8 mod_levels[VMXNET3_LINUX_MAX_MSIX_VECT]; /* moderation level */
- char event_msi_vector_name[IFNAMSIZ+11];
+ char event_msi_vector_name[IFNAMSIZ+17];
#ifdef CONFIG_PCI_MSI
struct msix_entry msix_entries[VMXNET3_LINUX_MAX_MSIX_VECT];
#endif
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 96aa7e6..e17baac 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -623,6 +623,7 @@
out:
skb_gro_remcsum_cleanup(skb, &grc);
+ skb->remcsum_offload = 0;
NAPI_GRO_CB(skb)->flush |= flush;
return pp;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 2153e80..5cc3a07 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -214,7 +214,7 @@
/* Make sure there's enough writeable headroom */
if (skb_headroom(skb) < drvr->hdrlen || skb_header_cloned(skb)) {
- head_delta = drvr->hdrlen - skb_headroom(skb);
+ head_delta = max_t(int, drvr->hdrlen - skb_headroom(skb), 0);
brcmf_dbg(INFO, "%s: insufficient headroom (%d)\n",
brcmf_ifname(ifp), head_delta);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index d21258d..f1b60740e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -159,8 +159,10 @@
brcmf_feat_firmware_capabilities(ifp);
memset(&gscan_cfg, 0, sizeof(gscan_cfg));
- brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN, "pfn_gscan_cfg",
- &gscan_cfg, sizeof(gscan_cfg));
+ if (drvr->bus_if->chip != BRCM_CC_43430_CHIP_ID)
+ brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
+ "pfn_gscan_cfg",
+ &gscan_cfg, sizeof(gscan_cfg));
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
if (drvr->bus_if->wowl_supported)
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index fbcbb43..f355612 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -2053,12 +2053,13 @@
atomic_inc(&stats->pktcow_failed);
return -ENOMEM;
}
+ head_pad = 0;
}
skb_push(pkt, head_pad);
dat_buf = (u8 *)(pkt->data);
}
memset(dat_buf, 0, head_pad + bus->tx_hdrlen);
- return 0;
+ return head_pad;
}
/**
@@ -4174,11 +4175,6 @@
goto fail;
}
- /* allocate scatter-gather table. sg support
- * will be disabled upon allocation failure.
- */
- brcmf_sdiod_sgtable_alloc(bus->sdiodev);
-
/* Query the F2 block size, set roundup accordingly */
bus->blocksize = bus->sdiodev->func[2]->cur_blksize;
bus->roundup = min(max_roundup, bus->blocksize);
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
index b4ecd1f..97208ce 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
@@ -154,7 +154,7 @@
const struct iwl_cfg iwl9160_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9160",
.fw_name_pre = IWL9260A_FW_PRE,
- .fw_name_pre_next_step = IWL9260B_FW_PRE,
+ .fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
@@ -165,7 +165,7 @@
const struct iwl_cfg iwl9260_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9260",
.fw_name_pre = IWL9260A_FW_PRE,
- .fw_name_pre_next_step = IWL9260B_FW_PRE,
+ .fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
@@ -176,7 +176,7 @@
const struct iwl_cfg iwl9270_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9270",
.fw_name_pre = IWL9260A_FW_PRE,
- .fw_name_pre_next_step = IWL9260B_FW_PRE,
+ .fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
@@ -186,8 +186,8 @@
const struct iwl_cfg iwl9460_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9460",
- .fw_name_pre = IWL9000_FW_PRE,
- .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+ .fw_name_pre = IWL9260A_FW_PRE,
+ .fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
@@ -198,8 +198,8 @@
const struct iwl_cfg iwl9560_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 9560",
- .fw_name_pre = IWL9000_FW_PRE,
- .fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+ .fw_name_pre = IWL9260A_FW_PRE,
+ .fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
IWL_DEVICE_9000,
.ht_params = &iwl9000_ht_params,
.nvm_ver = IWL9000_NVM_VERSION,
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
index adaa2f0..fb40ddf 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
@@ -1189,11 +1189,11 @@
next_reclaimed;
IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
next_reclaimed);
+ iwlagn_check_ratid_empty(priv, sta_id, tid);
}
iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs);
- iwlagn_check_ratid_empty(priv, sta_id, tid);
freed = 0;
/* process frames */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index 0fa8c47..c73a643 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -328,6 +328,7 @@
* @IWL_UCODE_TLV_CAPA_TX_POWER_ACK: reduced TX power API has larger
* command size (command version 4) that supports toggling ACK TX
* power reduction.
+ * @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
@@ -373,6 +374,7 @@
IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG = (__force iwl_ucode_tlv_capa_t)80,
IWL_UCODE_TLV_CAPA_LQM_SUPPORT = (__force iwl_ucode_tlv_capa_t)81,
IWL_UCODE_TLV_CAPA_TX_POWER_ACK = (__force iwl_ucode_tlv_capa_t)84,
+ IWL_UCODE_TLV_CAPA_MLME_OFFLOAD = (__force iwl_ucode_tlv_capa_t)96,
NUM_IWL_UCODE_TLV_CAPA
#ifdef __CHECKER__
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
index c52623c..d19c748 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
@@ -276,10 +276,10 @@
* @fw_name_pre: Firmware filename prefix. The api version and extension
* (.ucode) will be added to filename before loading from disk. The
* filename is constructed as fw_name_pre<api>.ucode.
- * @fw_name_pre_next_step: same as @fw_name_pre, only for next step
+ * @fw_name_pre_b_or_c_step: same as @fw_name_pre, only for b or c steps
* (if supported)
- * @fw_name_pre_rf_next_step: same as @fw_name_pre_next_step, only for rf next
- * step. Supported only in integrated solutions.
+ * @fw_name_pre_rf_next_step: same as @fw_name_pre_b_or_c_step, only for rf
+ * next step. Supported only in integrated solutions.
* @ucode_api_max: Highest version of uCode API supported by driver.
* @ucode_api_min: Lowest version of uCode API supported by driver.
* @max_inst_size: The maximal length of the fw inst section
@@ -330,7 +330,7 @@
/* params specific to an individual device within a device family */
const char *name;
const char *fw_name_pre;
- const char *fw_name_pre_next_step;
+ const char *fw_name_pre_b_or_c_step;
const char *fw_name_pre_rf_next_step;
/* params not likely to change within a device family */
const struct iwl_base_params *base_params;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h
index 545d14b..f5c1127 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h
@@ -55,8 +55,8 @@
/* also account for the RFC 1042 header, of course */
offs += 6;
- return skb->len > offs + 2 &&
- *(__be16 *)(skb->data + offs) == cpu_to_be16(ETH_P_PAE);
+ return skb->len <= offs + 2 ||
+ *(__be16 *)(skb->data + offs) != cpu_to_be16(ETH_P_PAE);
}
static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans,
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 6fdb592..4e0f86f 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -216,8 +216,9 @@
const char *fw_pre_name;
if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
- CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP)
- fw_pre_name = cfg->fw_name_pre_next_step;
+ (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP ||
+ CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP))
+ fw_pre_name = cfg->fw_name_pre_b_or_c_step;
else if (drv->trans->cfg->integrated &&
CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP &&
cfg->fw_name_pre_rf_next_step)
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 5c08f4d..3ee6767 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -785,7 +785,8 @@
int num_of_ch, __le32 *channels, u16 fw_mcc)
{
int ch_idx;
- u16 ch_flags, prev_ch_flags = 0;
+ u16 ch_flags;
+ u32 reg_rule_flags, prev_reg_rule_flags = 0;
const u8 *nvm_chan = cfg->ext_nvm ?
iwl_ext_nvm_channels : iwl_nvm_channels;
struct ieee80211_regdomain *regd;
@@ -834,8 +835,11 @@
continue;
}
+ reg_rule_flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
+ ch_flags, cfg);
+
/* we can't continue the same rule */
- if (ch_idx == 0 || prev_ch_flags != ch_flags ||
+ if (ch_idx == 0 || prev_reg_rule_flags != reg_rule_flags ||
center_freq - prev_center_freq > 20) {
valid_rules++;
new_rule = true;
@@ -854,18 +858,17 @@
rule->power_rule.max_eirp =
DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER);
- rule->flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
- ch_flags, cfg);
+ rule->flags = reg_rule_flags;
/* rely on auto-calculation to merge BW of contiguous chans */
rule->flags |= NL80211_RRF_AUTO_BW;
rule->freq_range.max_bandwidth_khz = 0;
- prev_ch_flags = ch_flags;
prev_center_freq = center_freq;
+ prev_reg_rule_flags = reg_rule_flags;
IWL_DEBUG_DEV(dev, IWL_DL_LAR,
- "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n",
+ "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x) reg_flags 0x%x: %s\n",
center_freq,
band == NL80211_BAND_5GHZ ? "5.2" : "2.4",
CHECK_AND_PRINT_I(VALID),
@@ -877,10 +880,10 @@
CHECK_AND_PRINT_I(160MHZ),
CHECK_AND_PRINT_I(INDOOR_ONLY),
CHECK_AND_PRINT_I(GO_CONCURRENT),
- ch_flags,
+ ch_flags, reg_rule_flags,
((ch_flags & NVM_CHANNEL_ACTIVE) &&
!(ch_flags & NVM_CHANNEL_RADAR))
- ? "" : "not ");
+ ? "Ad-Hoc" : "");
}
regd->n_reg_rules = valid_rules;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 79e7a7a..82863e9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1275,8 +1275,10 @@
entry = &wifi_pkg->package.elements[idx++];
if ((entry->type != ACPI_TYPE_INTEGER) ||
- (entry->integer.value > U8_MAX))
- return -EINVAL;
+ (entry->integer.value > U8_MAX)) {
+ ret = -EINVAL;
+ goto out_free;
+ }
mvm->geo_profiles[i].values[j] = entry->integer.value;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index bcde1ba..ce901be 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -1084,7 +1084,13 @@
lockdep_assert_held(&mvm->mutex);
- if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) {
+ /*
+ * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART
+ * so later code will - from now on - see that we're doing it.
+ */
+ set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+ clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
/* Clean up some internal and mac80211 state on restart */
iwl_mvm_restart_cleanup(mvm);
} else {
@@ -2591,8 +2597,18 @@
spin_lock_bh(&mvm_sta->lock);
for (i = 0; i <= IWL_MAX_TID_COUNT; i++) {
tid_data = &mvm_sta->tid_data[i];
- while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames)))
+
+ while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ /*
+ * The first deferred frame should've stopped the MAC
+ * queues, so we should never get a second deferred
+ * frame for the RA/TID.
+ */
+ iwl_mvm_start_mac_queues(mvm, info->hw_queue);
ieee80211_free_txskb(mvm->hw, skb);
+ }
}
spin_unlock_bh(&mvm_sta->lock);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index eaacfaf..ddd8719 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1090,6 +1090,7 @@
* @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
* @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
* @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
+ * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
* @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
* @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
* @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
@@ -1101,6 +1102,7 @@
IWL_MVM_STATUS_HW_RFKILL,
IWL_MVM_STATUS_HW_CTKILL,
IWL_MVM_STATUS_ROC_RUNNING,
+ IWL_MVM_STATUS_HW_RESTART_REQUESTED,
IWL_MVM_STATUS_IN_HW_RESTART,
IWL_MVM_STATUS_IN_D0I3,
IWL_MVM_STATUS_ROC_AUX_RUNNING,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 4d1188b..9c175d5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -1235,9 +1235,8 @@
*/
if (!mvm->fw_restart && fw_error) {
iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert,
- NULL);
- } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART,
- &mvm->status)) {
+ NULL);
+ } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
struct iwl_mvm_reprobe *reprobe;
IWL_ERR(mvm,
@@ -1268,6 +1267,7 @@
if (fw_error && mvm->fw_restart > 0)
mvm->fw_restart--;
+ set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);
ieee80211_restart_hw(mvm->hw);
}
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 65beca3..8999a11 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1291,7 +1291,7 @@
* first index into rate scale table.
*/
if (info->flags & IEEE80211_TX_STAT_AMPDU) {
- rs_collect_tpc_data(mvm, lq_sta, curr_tbl, lq_rate.index,
+ rs_collect_tpc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index,
info->status.ampdu_len,
info->status.ampdu_ack_len,
reduced_txp);
@@ -1312,7 +1312,7 @@
if (info->status.ampdu_ack_len == 0)
info->status.ampdu_len = 1;
- rs_collect_tlc_data(mvm, lq_sta, curr_tbl, lq_rate.index,
+ rs_collect_tlc_data(mvm, lq_sta, curr_tbl, tx_resp_rate.index,
info->status.ampdu_len,
info->status.ampdu_ack_len);
@@ -1348,11 +1348,11 @@
continue;
rs_collect_tpc_data(mvm, lq_sta, tmp_tbl,
- lq_rate.index, 1,
+ tx_resp_rate.index, 1,
i < retries ? 0 : legacy_success,
reduced_txp);
rs_collect_tlc_data(mvm, lq_sta, tmp_tbl,
- lq_rate.index, 1,
+ tx_resp_rate.index, 1,
i < retries ? 0 : legacy_success);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index f3e6081..71c8b80 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -636,9 +636,9 @@
baid_data = rcu_dereference(mvm->baid_map[baid]);
if (!baid_data) {
- WARN(!(reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN),
- "Received baid %d, but no data exists for this BAID\n",
- baid);
+ IWL_DEBUG_RX(mvm,
+ "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
+ baid, reorder);
return false;
}
@@ -759,7 +759,9 @@
data = rcu_dereference(mvm->baid_map[baid]);
if (!data) {
- WARN_ON(!(reorder_data & IWL_RX_MPDU_REORDER_BA_OLD_SN));
+ IWL_DEBUG_RX(mvm,
+ "Got valid BAID but no baid allocated, bypass the re-ordering buffer. Baid %d reorder 0x%x\n",
+ baid, reorder_data);
goto out;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 4df5f13..027ee5e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -121,7 +121,8 @@
.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color),
.add_modify = update ? 1 : 0,
.station_flags_msk = cpu_to_le32(STA_FLG_FAT_EN_MSK |
- STA_FLG_MIMO_EN_MSK),
+ STA_FLG_MIMO_EN_MSK |
+ STA_FLG_RTS_MIMO_PROT),
.tid_disable_tx = cpu_to_le16(mvm_sta->tid_disable_agg),
};
int ret;
@@ -277,9 +278,21 @@
/* Timer expired */
sta = rcu_dereference(ba_data->mvm->fw_id_to_mac_id[ba_data->sta_id]);
+
+ /*
+ * sta should be valid unless the following happens:
+ * The firmware asserts which triggers a reconfig flow, but
+ * the reconfig fails before we set the pointer to sta into
+ * the fw_id_to_mac_id pointer table. Mac80211 can't stop
+ * A-MDPU and hence the timer continues to run. Then, the
+ * timer expires and sta is NULL.
+ */
+ if (!sta)
+ goto unlock;
+
mvm_sta = iwl_mvm_sta_from_mac80211(sta);
- ieee80211_stop_rx_ba_session_offl(mvm_sta->vif,
- sta->addr, ba_data->tid);
+ ieee80211_rx_ba_timer_expired(mvm_sta->vif,
+ sta->addr, ba_data->tid);
unlock:
rcu_read_unlock();
}
@@ -2015,7 +2028,8 @@
IWL_MAX_TID_COUNT,
wdg_timeout);
- if (vif->type == NL80211_IFTYPE_AP)
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_ADHOC)
mvm->probe_queue = queue;
else if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
mvm->p2p_dev_queue = queue;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 60360ed..5fcc9dd 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -185,8 +185,14 @@
else
udp_hdr(skb)->check = 0;
- /* mac header len should include IV, size is in words */
- if (info->control.hw_key)
+ /*
+ * mac header len should include IV, size is in words unless
+ * the IV is added by the firmware like in WEP.
+ * In new Tx API, the IV is always added by the firmware.
+ */
+ if (!iwl_mvm_has_new_tx_api(mvm) && info->control.hw_key &&
+ info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP40 &&
+ info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP104)
mh_len += info->control.hw_key->iv_len;
mh_len /= 2;
offload_assist |= mh_len << TX_CMD_OFFLD_MH_SIZE;
@@ -1815,6 +1821,8 @@
struct iwl_mvm_tid_data *tid_data;
struct iwl_mvm_sta *mvmsta;
+ ba_info.flags = IEEE80211_TX_STAT_AMPDU;
+
if (iwl_mvm_has_new_tx_api(mvm)) {
struct iwl_mvm_compressed_ba_notif *ba_res =
(void *)pkt->data;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index f16c1bb..84f4ba0 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -510,9 +510,17 @@
/* 9000 Series */
{IWL_PCI_DEVICE(0x271B, 0x0010, iwl9160_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x271B, 0x0014, iwl9160_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x271B, 0x0210, iwl9160_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0000, iwl9260_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0014, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x4010, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0210, iwl9260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0214, iwl9260_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x1410, iwl9270_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x1610, iwl9270_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0A10, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0010, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0210, iwl9460_2ac_cfg)},
@@ -527,10 +535,22 @@
{IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x30DC, 0x0060, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0060, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0260, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0064, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x00A4, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x02A4, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x00A0, iwl9460_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x02A0, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0060, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0xA370, 0x0060, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x31DC, 0x0060, iwl9460_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0030, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x4030, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0230, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0234, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x0238, iwl9560_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x2526, 0x023C, iwl9560_2ac_cfg)},
{IWL_PCI_DEVICE(0x9DF0, 0x0030, iwl9560_2ac_cfg)},
{IWL_PCI_DEVICE(0xA370, 0x0030, iwl9560_2ac_cfg)},
{IWL_PCI_DEVICE(0x31DC, 0x0030, iwl9560_2ac_cfg)},
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index fa315d8..a1ea9ef 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -787,6 +787,8 @@
void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable);
+void iwl_pcie_rx_allocator_work(struct work_struct *data);
+
/* common functions that are used by gen2 transport */
void iwl_pcie_apm_config(struct iwl_trans *trans);
int iwl_pcie_prepare_card_hw(struct iwl_trans *trans);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index 351c442..942736d 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -597,7 +597,7 @@
rxq->free_count += RX_CLAIM_REQ_ALLOC;
}
-static void iwl_pcie_rx_allocator_work(struct work_struct *data)
+void iwl_pcie_rx_allocator_work(struct work_struct *data)
{
struct iwl_rb_allocator *rba_p =
container_of(data, struct iwl_rb_allocator, rx_alloc);
@@ -900,10 +900,6 @@
return err;
}
def_rxq = trans_pcie->rxq;
- if (!rba->alloc_wq)
- rba->alloc_wq = alloc_workqueue("rb_allocator",
- WQ_HIGHPRI | WQ_UNBOUND, 1);
- INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work);
spin_lock(&rba->lock);
atomic_set(&rba->req_pending, 0);
@@ -1017,10 +1013,6 @@
}
cancel_work_sync(&rba->rx_alloc);
- if (rba->alloc_wq) {
- destroy_workqueue(rba->alloc_wq);
- rba->alloc_wq = NULL;
- }
iwl_pcie_free_rbs_pool(trans);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 92b3a55..3927bbf 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -1786,6 +1786,11 @@
iwl_pcie_tx_free(trans);
iwl_pcie_rx_free(trans);
+ if (trans_pcie->rba.alloc_wq) {
+ destroy_workqueue(trans_pcie->rba.alloc_wq);
+ trans_pcie->rba.alloc_wq = NULL;
+ }
+
if (trans_pcie->msix_enabled) {
for (i = 0; i < trans_pcie->alloc_vecs; i++) {
irq_set_affinity_hint(
@@ -3150,7 +3155,8 @@
init_waitqueue_head(&trans_pcie->d0i3_waitq);
if (trans_pcie->msix_enabled) {
- if (iwl_pcie_init_msix_handler(pdev, trans_pcie))
+ ret = iwl_pcie_init_msix_handler(pdev, trans_pcie);
+ if (ret)
goto out_no_pci;
} else {
ret = iwl_pcie_alloc_ict(trans);
@@ -3168,6 +3174,10 @@
trans_pcie->inta_mask = CSR_INI_SET_MASK;
}
+ trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator",
+ WQ_HIGHPRI | WQ_UNBOUND, 1);
+ INIT_WORK(&trans_pcie->rba.rx_alloc, iwl_pcie_rx_allocator_work);
+
#ifdef CONFIG_IWLWIFI_PCIE_RTPM
trans->runtime_pm_mode = IWL_PLAT_PM_MODE_D0I3;
#else
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index de50418..034bdb4 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -298,6 +298,9 @@
for (i = 0; i < trans->cfg->base_params->num_of_queues; i++) {
struct iwl_txq *txq = trans_pcie->txq[i];
+ if (!test_bit(i, trans_pcie->queue_used))
+ continue;
+
spin_lock_bh(&txq->lock);
if (txq->need_update) {
iwl_pcie_txq_inc_wr_ptr(trans, txq);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 6e2e760..0b75def 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -5704,7 +5704,7 @@
static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
{
- const u8 glrt_table[] = {
+ static const u8 glrt_table[] = {
0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
index 2a7ad5f..cd5dc6d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
@@ -846,9 +846,6 @@
return false;
}
- if (rtlpriv->cfg->ops->get_btc_status())
- rtlpriv->btcoexist.btc_ops->btc_power_on_setting(rtlpriv);
-
bytetmp = rtl_read_byte(rtlpriv, REG_MULTI_FUNC_CTRL);
rtl_write_byte(rtlpriv, REG_MULTI_FUNC_CTRL, bytetmp | BIT(3));
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index fb1ebb0..70723e6 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -2547,7 +2547,6 @@
struct rtl_btc_ops {
void (*btc_init_variables) (struct rtl_priv *rtlpriv);
void (*btc_init_hal_vars) (struct rtl_priv *rtlpriv);
- void (*btc_power_on_setting)(struct rtl_priv *rtlpriv);
void (*btc_init_hw_config) (struct rtl_priv *rtlpriv);
void (*btc_ips_notify) (struct rtl_priv *rtlpriv, u8 type);
void (*btc_lps_notify)(struct rtl_priv *rtlpriv, u8 type);
diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index 08f0477..9915d83 100644
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -1571,6 +1571,7 @@
wl->state = WL1251_STATE_OFF;
mutex_init(&wl->mutex);
+ spin_lock_init(&wl->wl_lock);
wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE;
wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE;
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 9a03c58..f58d8e3 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -924,10 +924,8 @@
ntb_free_mw(nt, i);
/* if there's an actual failure, we should just bail */
- if (rc < 0) {
- ntb_link_disable(ndev);
+ if (rc < 0)
return;
- }
out:
if (ntb_link_is_up(ndev, NULL, NULL) == 1)
@@ -1059,7 +1057,7 @@
int node;
int rc, i;
- mw_count = ntb_mw_count(ndev, PIDX);
+ mw_count = ntb_peer_mw_count(ndev);
if (!ndev->ops->mw_set_trans) {
dev_err(&ndev->dev, "Inbound MW based NTB API is required\n");
diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c
index f002bf4..a69815c 100644
--- a/drivers/ntb/test/ntb_tool.c
+++ b/drivers/ntb/test/ntb_tool.c
@@ -959,7 +959,7 @@
tc->ntb = ntb;
init_waitqueue_head(&tc->link_wq);
- tc->mw_count = min(ntb_mw_count(tc->ntb, PIDX), MAX_MWS);
+ tc->mw_count = min(ntb_peer_mw_count(tc->ntb), MAX_MWS);
for (i = 0; i < tc->mw_count; i++) {
rc = tool_init_mw(tc, i);
if (rc)
diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c
index 7cd99b1..75bc08c 100644
--- a/drivers/nvdimm/core.c
+++ b/drivers/nvdimm/core.c
@@ -421,14 +421,15 @@
static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len)
{
const unsigned int sector_size = 512;
- sector_t start_sector;
+ sector_t start_sector, end_sector;
u64 num_sectors;
u32 rem;
start_sector = div_u64(ns_offset, sector_size);
- num_sectors = div_u64_rem(len, sector_size, &rem);
+ end_sector = div_u64_rem(ns_offset + len, sector_size, &rem);
if (rem)
- num_sectors++;
+ end_sector++;
+ num_sectors = end_sector - start_sector;
if (unlikely(num_sectors > (u64)INT_MAX)) {
u64 remaining = num_sectors;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index cb96f4a..37046ac 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -336,7 +336,7 @@
c.directive.opcode = nvme_admin_directive_recv;
c.directive.nsid = cpu_to_le32(nsid);
- c.directive.numd = sizeof(*s);
+ c.directive.numd = cpu_to_le32((sizeof(*s) >> 2) - 1);
c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM;
c.directive.dtype = NVME_DIR_STREAMS;
@@ -1509,7 +1509,7 @@
blk_queue_write_cache(q, vwc, vwc);
}
-static void nvme_configure_apst(struct nvme_ctrl *ctrl)
+static int nvme_configure_apst(struct nvme_ctrl *ctrl)
{
/*
* APST (Autonomous Power State Transition) lets us program a
@@ -1538,16 +1538,16 @@
* then don't do anything.
*/
if (!ctrl->apsta)
- return;
+ return 0;
if (ctrl->npss > 31) {
dev_warn(ctrl->device, "NPSS is invalid; not using APST\n");
- return;
+ return 0;
}
table = kzalloc(sizeof(*table), GFP_KERNEL);
if (!table)
- return;
+ return 0;
if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) {
/* Turn off APST. */
@@ -1629,6 +1629,7 @@
dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret);
kfree(table);
+ return ret;
}
static void nvme_set_latency_tolerance(struct device *dev, s32 val)
@@ -1835,13 +1836,16 @@
* In fabrics we need to verify the cntlid matches the
* admin connect
*/
- if (ctrl->cntlid != le16_to_cpu(id->cntlid))
+ if (ctrl->cntlid != le16_to_cpu(id->cntlid)) {
ret = -EINVAL;
+ goto out_free;
+ }
if (!ctrl->opts->discovery_nqn && !ctrl->kas) {
dev_err(ctrl->device,
"keep-alive support is mandatory for fabrics\n");
ret = -EINVAL;
+ goto out_free;
}
} else {
ctrl->cntlid = le16_to_cpu(id->cntlid);
@@ -1856,11 +1860,20 @@
else if (!ctrl->apst_enabled && prev_apst_enabled)
dev_pm_qos_hide_latency_tolerance(ctrl->device);
- nvme_configure_apst(ctrl);
- nvme_configure_directives(ctrl);
+ ret = nvme_configure_apst(ctrl);
+ if (ret < 0)
+ return ret;
+
+ ret = nvme_configure_directives(ctrl);
+ if (ret < 0)
+ return ret;
ctrl->identified = true;
+ return 0;
+
+out_free:
+ kfree(id);
return ret;
}
EXPORT_SYMBOL_GPL(nvme_init_identify);
@@ -1995,15 +2008,20 @@
int serial_len = sizeof(ctrl->serial);
int model_len = sizeof(ctrl->model);
+ if (!uuid_is_null(&ns->uuid))
+ return sprintf(buf, "uuid.%pU\n", &ns->uuid);
+
if (memchr_inv(ns->nguid, 0, sizeof(ns->nguid)))
return sprintf(buf, "eui.%16phN\n", ns->nguid);
if (memchr_inv(ns->eui, 0, sizeof(ns->eui)))
return sprintf(buf, "eui.%8phN\n", ns->eui);
- while (ctrl->serial[serial_len - 1] == ' ')
+ while (serial_len > 0 && (ctrl->serial[serial_len - 1] == ' ' ||
+ ctrl->serial[serial_len - 1] == '\0'))
serial_len--;
- while (ctrl->model[model_len - 1] == ' ')
+ while (model_len > 0 && (ctrl->model[model_len - 1] == ' ' ||
+ ctrl->model[model_len - 1] == '\0'))
model_len--;
return sprintf(buf, "nvme.%04x-%*phN-%*phN-%08x\n", ctrl->vid,
@@ -2709,7 +2727,8 @@
mutex_lock(&ctrl->namespaces_mutex);
/* Forcibly unquiesce queues to avoid blocking dispatch */
- blk_mq_unquiesce_queue(ctrl->admin_q);
+ if (ctrl->admin_q)
+ blk_mq_unquiesce_queue(ctrl->admin_q);
list_for_each_entry(ns, &ctrl->namespaces, list) {
/*
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 2e582a2..5f5cd30 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -794,7 +794,8 @@
int i;
for (i = 0; i < ARRAY_SIZE(opt_tokens); i++) {
- if (opt_tokens[i].token & ~allowed_opts) {
+ if ((opt_tokens[i].token & opts->mask) &&
+ (opt_tokens[i].token & ~allowed_opts)) {
pr_warn("invalid parameter '%s'\n",
opt_tokens[i].pattern);
}
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index d666ada..5c2a08e 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1888,7 +1888,7 @@
* the target device is present
*/
if (ctrl->rport->remoteport.port_state != FC_OBJSTATE_ONLINE)
- return BLK_STS_IOERR;
+ goto busy;
if (!nvme_fc_ctrl_get(ctrl))
return BLK_STS_IOERR;
@@ -1958,22 +1958,25 @@
queue->lldd_handle, &op->fcp_req);
if (ret) {
- if (op->rq) /* normal request */
+ if (!(op->flags & FCOP_FLAGS_AEN))
nvme_fc_unmap_data(ctrl, op->rq, op);
- /* else - aen. no cleanup needed */
nvme_fc_ctrl_put(ctrl);
- if (ret != -EBUSY)
+ if (ctrl->rport->remoteport.port_state == FC_OBJSTATE_ONLINE &&
+ ret != -EBUSY)
return BLK_STS_IOERR;
- if (op->rq)
- blk_mq_delay_run_hw_queue(queue->hctx, NVMEFC_QUEUE_DELAY);
-
- return BLK_STS_RESOURCE;
+ goto busy;
}
return BLK_STS_OK;
+
+busy:
+ if (!(op->flags & FCOP_FLAGS_AEN) && queue->hctx)
+ blk_mq_delay_run_hw_queue(queue->hctx, NVMEFC_QUEUE_DELAY);
+
+ return BLK_STS_RESOURCE;
}
static blk_status_t
@@ -2802,66 +2805,70 @@
return ERR_PTR(ret);
}
-enum {
- FCT_TRADDR_ERR = 0,
- FCT_TRADDR_WWNN = 1 << 0,
- FCT_TRADDR_WWPN = 1 << 1,
-};
struct nvmet_fc_traddr {
u64 nn;
u64 pn;
};
-static const match_table_t traddr_opt_tokens = {
- { FCT_TRADDR_WWNN, "nn-%s" },
- { FCT_TRADDR_WWPN, "pn-%s" },
- { FCT_TRADDR_ERR, NULL }
-};
-
static int
-nvme_fc_parse_address(struct nvmet_fc_traddr *traddr, char *buf)
+__nvme_fc_parse_u64(substring_t *sstr, u64 *val)
{
- substring_t args[MAX_OPT_ARGS];
- char *options, *o, *p;
- int token, ret = 0;
u64 token64;
- options = o = kstrdup(buf, GFP_KERNEL);
- if (!options)
- return -ENOMEM;
+ if (match_u64(sstr, &token64))
+ return -EINVAL;
+ *val = token64;
- while ((p = strsep(&o, ":\n")) != NULL) {
- if (!*p)
- continue;
+ return 0;
+}
- token = match_token(p, traddr_opt_tokens, args);
- switch (token) {
- case FCT_TRADDR_WWNN:
- if (match_u64(args, &token64)) {
- ret = -EINVAL;
- goto out;
- }
- traddr->nn = token64;
- break;
- case FCT_TRADDR_WWPN:
- if (match_u64(args, &token64)) {
- ret = -EINVAL;
- goto out;
- }
- traddr->pn = token64;
- break;
- default:
- pr_warn("unknown traddr token or missing value '%s'\n",
- p);
- ret = -EINVAL;
- goto out;
- }
- }
+/*
+ * This routine validates and extracts the WWN's from the TRADDR string.
+ * As kernel parsers need the 0x to determine number base, universally
+ * build string to parse with 0x prefix before parsing name strings.
+ */
+static int
+nvme_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf, size_t blen)
+{
+ char name[2 + NVME_FC_TRADDR_HEXNAMELEN + 1];
+ substring_t wwn = { name, &name[sizeof(name)-1] };
+ int nnoffset, pnoffset;
-out:
- kfree(options);
- return ret;
+ /* validate it string one of the 2 allowed formats */
+ if (strnlen(buf, blen) == NVME_FC_TRADDR_MAXLENGTH &&
+ !strncmp(buf, "nn-0x", NVME_FC_TRADDR_OXNNLEN) &&
+ !strncmp(&buf[NVME_FC_TRADDR_MAX_PN_OFFSET],
+ "pn-0x", NVME_FC_TRADDR_OXNNLEN)) {
+ nnoffset = NVME_FC_TRADDR_OXNNLEN;
+ pnoffset = NVME_FC_TRADDR_MAX_PN_OFFSET +
+ NVME_FC_TRADDR_OXNNLEN;
+ } else if ((strnlen(buf, blen) == NVME_FC_TRADDR_MINLENGTH &&
+ !strncmp(buf, "nn-", NVME_FC_TRADDR_NNLEN) &&
+ !strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET],
+ "pn-", NVME_FC_TRADDR_NNLEN))) {
+ nnoffset = NVME_FC_TRADDR_NNLEN;
+ pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN;
+ } else
+ goto out_einval;
+
+ name[0] = '0';
+ name[1] = 'x';
+ name[2 + NVME_FC_TRADDR_HEXNAMELEN] = 0;
+
+ memcpy(&name[2], &buf[nnoffset], NVME_FC_TRADDR_HEXNAMELEN);
+ if (__nvme_fc_parse_u64(&wwn, &traddr->nn))
+ goto out_einval;
+
+ memcpy(&name[2], &buf[pnoffset], NVME_FC_TRADDR_HEXNAMELEN);
+ if (__nvme_fc_parse_u64(&wwn, &traddr->pn))
+ goto out_einval;
+
+ return 0;
+
+out_einval:
+ pr_warn("%s: bad traddr string\n", __func__);
+ return -EINVAL;
}
static struct nvme_ctrl *
@@ -2875,11 +2882,11 @@
unsigned long flags;
int ret;
- ret = nvme_fc_parse_address(&raddr, opts->traddr);
+ ret = nvme_fc_parse_traddr(&raddr, opts->traddr, NVMF_TRADDR_SIZE);
if (ret || !raddr.nn || !raddr.pn)
return ERR_PTR(-EINVAL);
- ret = nvme_fc_parse_address(&laddr, opts->host_traddr);
+ ret = nvme_fc_parse_traddr(&laddr, opts->host_traddr, NVMF_TRADDR_SIZE);
if (ret || !laddr.nn || !laddr.pn)
return ERR_PTR(-EINVAL);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index d10d2f2..ea892e7 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -109,6 +109,7 @@
/* host memory buffer support: */
u64 host_mem_size;
u32 nr_host_mem_descs;
+ dma_addr_t host_mem_descs_dma;
struct nvme_host_mem_buf_desc *host_mem_descs;
void **host_mem_desc_bufs;
};
@@ -539,7 +540,7 @@
}
#endif
-static bool nvme_setup_prps(struct nvme_dev *dev, struct request *req)
+static blk_status_t nvme_setup_prps(struct nvme_dev *dev, struct request *req)
{
struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
struct dma_pool *pool;
@@ -556,7 +557,7 @@
length -= (page_size - offset);
if (length <= 0)
- return true;
+ return BLK_STS_OK;
dma_len -= (page_size - offset);
if (dma_len) {
@@ -569,7 +570,7 @@
if (length <= page_size) {
iod->first_dma = dma_addr;
- return true;
+ return BLK_STS_OK;
}
nprps = DIV_ROUND_UP(length, page_size);
@@ -585,7 +586,7 @@
if (!prp_list) {
iod->first_dma = dma_addr;
iod->npages = -1;
- return false;
+ return BLK_STS_RESOURCE;
}
list[0] = prp_list;
iod->first_dma = prp_dma;
@@ -595,7 +596,7 @@
__le64 *old_prp_list = prp_list;
prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma);
if (!prp_list)
- return false;
+ return BLK_STS_RESOURCE;
list[iod->npages++] = prp_list;
prp_list[0] = old_prp_list[i - 1];
old_prp_list[i - 1] = cpu_to_le64(prp_dma);
@@ -609,13 +610,29 @@
break;
if (dma_len > 0)
continue;
- BUG_ON(dma_len < 0);
+ if (unlikely(dma_len < 0))
+ goto bad_sgl;
sg = sg_next(sg);
dma_addr = sg_dma_address(sg);
dma_len = sg_dma_len(sg);
}
- return true;
+ return BLK_STS_OK;
+
+ bad_sgl:
+ if (WARN_ONCE(1, "Invalid SGL for payload:%d nents:%d\n",
+ blk_rq_payload_bytes(req), iod->nents)) {
+ for_each_sg(iod->sg, sg, iod->nents, i) {
+ dma_addr_t phys = sg_phys(sg);
+ pr_warn("sg[%d] phys_addr:%pad offset:%d length:%d "
+ "dma_address:%pad dma_length:%d\n", i, &phys,
+ sg->offset, sg->length,
+ &sg_dma_address(sg),
+ sg_dma_len(sg));
+ }
+ }
+ return BLK_STS_IOERR;
+
}
static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req,
@@ -637,7 +654,8 @@
DMA_ATTR_NO_WARN))
goto out;
- if (!nvme_setup_prps(dev, req))
+ ret = nvme_setup_prps(dev, req);
+ if (ret != BLK_STS_OK)
goto out_unmap;
ret = BLK_STS_IOERR;
@@ -784,6 +802,7 @@
return;
}
+ nvmeq->cqe_seen = 1;
req = blk_mq_tag_to_rq(*nvmeq->tags, cqe->command_id);
nvme_end_request(req, cqe->status, cqe->result);
}
@@ -813,10 +832,8 @@
consumed++;
}
- if (consumed) {
+ if (consumed)
nvme_ring_cq_doorbell(nvmeq);
- nvmeq->cqe_seen = 1;
- }
}
static irqreturn_t nvme_irq(int irq, void *data)
@@ -1541,26 +1558,18 @@
if (dev->cmb) {
iounmap(dev->cmb);
dev->cmb = NULL;
- if (dev->cmbsz) {
- sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
- &dev_attr_cmb.attr, NULL);
- dev->cmbsz = 0;
- }
+ sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
+ &dev_attr_cmb.attr, NULL);
+ dev->cmbsz = 0;
}
}
static int nvme_set_host_mem(struct nvme_dev *dev, u32 bits)
{
- size_t len = dev->nr_host_mem_descs * sizeof(*dev->host_mem_descs);
+ u64 dma_addr = dev->host_mem_descs_dma;
struct nvme_command c;
- u64 dma_addr;
int ret;
- dma_addr = dma_map_single(dev->dev, dev->host_mem_descs, len,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev->dev, dma_addr))
- return -ENOMEM;
-
memset(&c, 0, sizeof(c));
c.features.opcode = nvme_admin_set_features;
c.features.fid = cpu_to_le32(NVME_FEAT_HOST_MEM_BUF);
@@ -1577,7 +1586,6 @@
"failed to set host mem (err %d, flags %#x).\n",
ret, bits);
}
- dma_unmap_single(dev->dev, dma_addr, len, DMA_TO_DEVICE);
return ret;
}
@@ -1595,14 +1603,17 @@
kfree(dev->host_mem_desc_bufs);
dev->host_mem_desc_bufs = NULL;
- kfree(dev->host_mem_descs);
+ dma_free_coherent(dev->dev,
+ dev->nr_host_mem_descs * sizeof(*dev->host_mem_descs),
+ dev->host_mem_descs, dev->host_mem_descs_dma);
dev->host_mem_descs = NULL;
}
static int nvme_alloc_host_mem(struct nvme_dev *dev, u64 min, u64 preferred)
{
struct nvme_host_mem_buf_desc *descs;
- u32 chunk_size, max_entries;
+ u32 chunk_size, max_entries, len;
+ dma_addr_t descs_dma;
int i = 0;
void **bufs;
u64 size = 0, tmp;
@@ -1613,7 +1624,8 @@
tmp = (preferred + chunk_size - 1);
do_div(tmp, chunk_size);
max_entries = tmp;
- descs = kcalloc(max_entries, sizeof(*descs), GFP_KERNEL);
+ descs = dma_zalloc_coherent(dev->dev, max_entries * sizeof(*descs),
+ &descs_dma, GFP_KERNEL);
if (!descs)
goto out;
@@ -1621,10 +1633,10 @@
if (!bufs)
goto out_free_descs;
- for (size = 0; size < preferred; size += chunk_size) {
- u32 len = min_t(u64, chunk_size, preferred - size);
+ for (size = 0; size < preferred; size += len) {
dma_addr_t dma_addr;
+ len = min_t(u64, chunk_size, preferred - size);
bufs[i] = dma_alloc_attrs(dev->dev, len, &dma_addr, GFP_KERNEL,
DMA_ATTR_NO_KERNEL_MAPPING | DMA_ATTR_NO_WARN);
if (!bufs[i])
@@ -1647,6 +1659,7 @@
dev->nr_host_mem_descs = i;
dev->host_mem_size = size;
dev->host_mem_descs = descs;
+ dev->host_mem_descs_dma = descs_dma;
dev->host_mem_desc_bufs = bufs;
return 0;
@@ -1660,7 +1673,8 @@
kfree(bufs);
out_free_descs:
- kfree(descs);
+ dma_free_coherent(dev->dev, max_entries * sizeof(*descs), descs,
+ descs_dma);
out:
/* try a smaller chunk size if we failed early */
if (chunk_size >= PAGE_SIZE * 2 && (i == 0 || size < min)) {
@@ -1936,16 +1950,14 @@
/*
* CMBs can currently only exist on >=1.2 PCIe devices. We only
- * populate sysfs if a CMB is implemented. Note that we add the
- * CMB attribute to the nvme_ctrl kobj which removes the need to remove
- * it on exit. Since nvme_dev_attrs_group has no name we can pass
- * NULL as final argument to sysfs_add_file_to_group.
+ * populate sysfs if a CMB is implemented. Since nvme_dev_attrs_group
+ * has no name we can pass NULL as final argument to
+ * sysfs_add_file_to_group.
*/
if (readl(dev->bar + NVME_REG_VS) >= NVME_VS(1, 2, 0)) {
dev->cmb = nvme_map_cmb(dev);
-
- if (dev->cmbsz) {
+ if (dev->cmb) {
if (sysfs_add_file_to_group(&dev->ctrl.device->kobj,
&dev_attr_cmb.attr, NULL))
dev_warn(dev->ctrl.device,
@@ -2282,7 +2294,7 @@
result = nvme_dev_map(dev);
if (result)
- goto free;
+ goto put_pci;
INIT_WORK(&dev->ctrl.reset_work, nvme_reset_work);
INIT_WORK(&dev->remove_work, nvme_remove_dead_ctrl_work);
@@ -2291,7 +2303,7 @@
result = nvme_setup_prp_pools(dev);
if (result)
- goto put_pci;
+ goto unmap;
quirks |= check_dell_samsung_bug(pdev);
@@ -2308,9 +2320,10 @@
release_pools:
nvme_release_prp_pools(dev);
+ unmap:
+ nvme_dev_unmap(dev);
put_pci:
put_device(dev->dev);
- nvme_dev_unmap(dev);
free:
kfree(dev->queues);
kfree(dev);
@@ -2466,6 +2479,9 @@
{ PCI_VDEVICE(INTEL, 0x0a54),
.driver_data = NVME_QUIRK_STRIPE_SIZE |
NVME_QUIRK_DEALLOCATE_ZEROES, },
+ { PCI_VDEVICE(INTEL, 0x0a55),
+ .driver_data = NVME_QUIRK_STRIPE_SIZE |
+ NVME_QUIRK_DEALLOCATE_ZEROES, },
{ PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS },
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index da04df1..a03299d 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -920,7 +920,11 @@
struct nvme_keyed_sgl_desc *sg = &c->common.dptr.ksgl;
int nr;
- nr = ib_map_mr_sg(req->mr, req->sg_table.sgl, count, NULL, PAGE_SIZE);
+ /*
+ * Align the MR to a 4K page size to match the ctrl page size and
+ * the block virtual boundary.
+ */
+ nr = ib_map_mr_sg(req->mr, req->sg_table.sgl, count, NULL, SZ_4K);
if (nr < count) {
if (nr < 0)
return nr;
@@ -1583,7 +1587,7 @@
goto out_cleanup_queue;
ctrl->ctrl.max_hw_sectors =
- (ctrl->max_fr_pages - 1) << (PAGE_SHIFT - 9);
+ (ctrl->max_fr_pages - 1) << (ilog2(SZ_4K) - 9);
error = nvme_init_identify(&ctrl->ctrl);
if (error)
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 35f930d..a53bb66 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -168,11 +168,21 @@
nvmet_req_complete(req, status);
}
+static void copy_and_pad(char *dst, int dst_len, const char *src, int src_len)
+{
+ int len = min(src_len, dst_len);
+
+ memcpy(dst, src, len);
+ if (dst_len > len)
+ memset(dst + len, ' ', dst_len - len);
+}
+
static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
struct nvme_id_ctrl *id;
u16 status = 0;
+ const char model[] = "Linux";
id = kzalloc(sizeof(*id), GFP_KERNEL);
if (!id) {
@@ -184,14 +194,10 @@
id->vid = 0;
id->ssvid = 0;
- memset(id->sn, ' ', sizeof(id->sn));
- snprintf(id->sn, sizeof(id->sn), "%llx", ctrl->serial);
-
- memset(id->mn, ' ', sizeof(id->mn));
- strncpy((char *)id->mn, "Linux", sizeof(id->mn));
-
- memset(id->fr, ' ', sizeof(id->fr));
- strncpy((char *)id->fr, UTS_RELEASE, sizeof(id->fr));
+ bin2hex(id->sn, &ctrl->subsys->serial,
+ min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
+ copy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1);
+ copy_and_pad(id->fr, sizeof(id->fr), UTS_RELEASE, strlen(UTS_RELEASE));
id->rab = 6;
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index a358ecd..0a0067e 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -650,7 +650,7 @@
CONFIGFS_ATTR(nvmet_subsys_, attr_allow_any_host);
-static ssize_t nvmet_subsys_version_show(struct config_item *item,
+static ssize_t nvmet_subsys_attr_version_show(struct config_item *item,
char *page)
{
struct nvmet_subsys *subsys = to_subsys(item);
@@ -666,7 +666,7 @@
(int)NVME_MINOR(subsys->ver));
}
-static ssize_t nvmet_subsys_version_store(struct config_item *item,
+static ssize_t nvmet_subsys_attr_version_store(struct config_item *item,
const char *page, size_t count)
{
struct nvmet_subsys *subsys = to_subsys(item);
@@ -684,11 +684,33 @@
return count;
}
-CONFIGFS_ATTR(nvmet_subsys_, version);
+CONFIGFS_ATTR(nvmet_subsys_, attr_version);
+
+static ssize_t nvmet_subsys_attr_serial_show(struct config_item *item,
+ char *page)
+{
+ struct nvmet_subsys *subsys = to_subsys(item);
+
+ return snprintf(page, PAGE_SIZE, "%llx\n", subsys->serial);
+}
+
+static ssize_t nvmet_subsys_attr_serial_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct nvmet_subsys *subsys = to_subsys(item);
+
+ down_write(&nvmet_config_sem);
+ sscanf(page, "%llx\n", &subsys->serial);
+ up_write(&nvmet_config_sem);
+
+ return count;
+}
+CONFIGFS_ATTR(nvmet_subsys_, attr_serial);
static struct configfs_attribute *nvmet_subsys_attrs[] = {
&nvmet_subsys_attr_attr_allow_any_host,
- &nvmet_subsys_attr_version,
+ &nvmet_subsys_attr_attr_version,
+ &nvmet_subsys_attr_attr_serial,
NULL,
};
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index b5b4ac1..f4b02bb 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -767,9 +767,6 @@
memcpy(ctrl->subsysnqn, subsysnqn, NVMF_NQN_SIZE);
memcpy(ctrl->hostnqn, hostnqn, NVMF_NQN_SIZE);
- /* generate a random serial number as our controllers are ephemeral: */
- get_random_bytes(&ctrl->serial, sizeof(ctrl->serial));
-
kref_init(&ctrl->ref);
ctrl->subsys = subsys;
@@ -928,6 +925,8 @@
return NULL;
subsys->ver = NVME_VS(1, 3, 0); /* NVMe 1.3.0 */
+ /* generate a random serial number as our controllers are ephemeral: */
+ get_random_bytes(&subsys->serial, sizeof(subsys->serial));
switch (type) {
case NVME_NQN_NVME:
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 1e6dcc2..309c84a 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -114,6 +114,11 @@
struct kref ref;
};
+struct nvmet_fc_defer_fcp_req {
+ struct list_head req_list;
+ struct nvmefc_tgt_fcp_req *fcp_req;
+};
+
struct nvmet_fc_tgt_queue {
bool ninetypercent;
u16 qid;
@@ -132,6 +137,8 @@
struct nvmet_fc_tgt_assoc *assoc;
struct nvmet_fc_fcp_iod *fod; /* array of fcp_iods */
struct list_head fod_list;
+ struct list_head pending_cmd_list;
+ struct list_head avail_defer_list;
struct workqueue_struct *work_q;
struct kref ref;
} __aligned(sizeof(unsigned long long));
@@ -223,6 +230,8 @@
static int nvmet_fc_tgt_q_get(struct nvmet_fc_tgt_queue *queue);
static void nvmet_fc_tgtport_put(struct nvmet_fc_tgtport *tgtport);
static int nvmet_fc_tgtport_get(struct nvmet_fc_tgtport *tgtport);
+static void nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
+ struct nvmet_fc_fcp_iod *fod);
/* *********************** FC-NVME DMA Handling **************************** */
@@ -385,7 +394,7 @@
static struct nvmet_fc_ls_iod *
nvmet_fc_alloc_ls_iod(struct nvmet_fc_tgtport *tgtport)
{
- static struct nvmet_fc_ls_iod *iod;
+ struct nvmet_fc_ls_iod *iod;
unsigned long flags;
spin_lock_irqsave(&tgtport->lock, flags);
@@ -462,10 +471,10 @@
static struct nvmet_fc_fcp_iod *
nvmet_fc_alloc_fcp_iod(struct nvmet_fc_tgt_queue *queue)
{
- static struct nvmet_fc_fcp_iod *fod;
- unsigned long flags;
+ struct nvmet_fc_fcp_iod *fod;
- spin_lock_irqsave(&queue->qlock, flags);
+ lockdep_assert_held(&queue->qlock);
+
fod = list_first_entry_or_null(&queue->fod_list,
struct nvmet_fc_fcp_iod, fcp_list);
if (fod) {
@@ -477,17 +486,37 @@
* will "inherit" that reference.
*/
}
- spin_unlock_irqrestore(&queue->qlock, flags);
return fod;
}
static void
+nvmet_fc_queue_fcp_req(struct nvmet_fc_tgtport *tgtport,
+ struct nvmet_fc_tgt_queue *queue,
+ struct nvmefc_tgt_fcp_req *fcpreq)
+{
+ struct nvmet_fc_fcp_iod *fod = fcpreq->nvmet_fc_private;
+
+ /*
+ * put all admin cmds on hw queue id 0. All io commands go to
+ * the respective hw queue based on a modulo basis
+ */
+ fcpreq->hwqid = queue->qid ?
+ ((queue->qid - 1) % tgtport->ops->max_hw_queues) : 0;
+
+ if (tgtport->ops->target_features & NVMET_FCTGTFEAT_CMD_IN_ISR)
+ queue_work_on(queue->cpu, queue->work_q, &fod->work);
+ else
+ nvmet_fc_handle_fcp_rqst(tgtport, fod);
+}
+
+static void
nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue,
struct nvmet_fc_fcp_iod *fod)
{
struct nvmefc_tgt_fcp_req *fcpreq = fod->fcpreq;
struct nvmet_fc_tgtport *tgtport = fod->tgtport;
+ struct nvmet_fc_defer_fcp_req *deferfcp;
unsigned long flags;
fc_dma_sync_single_for_cpu(tgtport->dev, fod->rspdma,
@@ -495,21 +524,56 @@
fcpreq->nvmet_fc_private = NULL;
- spin_lock_irqsave(&queue->qlock, flags);
- list_add_tail(&fod->fcp_list, &fod->queue->fod_list);
fod->active = false;
fod->abort = false;
fod->aborted = false;
fod->writedataactive = false;
fod->fcpreq = NULL;
- spin_unlock_irqrestore(&queue->qlock, flags);
-
- /*
- * release the reference taken at queue lookup and fod allocation
- */
- nvmet_fc_tgt_q_put(queue);
tgtport->ops->fcp_req_release(&tgtport->fc_target_port, fcpreq);
+
+ spin_lock_irqsave(&queue->qlock, flags);
+ deferfcp = list_first_entry_or_null(&queue->pending_cmd_list,
+ struct nvmet_fc_defer_fcp_req, req_list);
+ if (!deferfcp) {
+ list_add_tail(&fod->fcp_list, &fod->queue->fod_list);
+ spin_unlock_irqrestore(&queue->qlock, flags);
+
+ /* Release reference taken at queue lookup and fod allocation */
+ nvmet_fc_tgt_q_put(queue);
+ return;
+ }
+
+ /* Re-use the fod for the next pending cmd that was deferred */
+ list_del(&deferfcp->req_list);
+
+ fcpreq = deferfcp->fcp_req;
+
+ /* deferfcp can be reused for another IO at a later date */
+ list_add_tail(&deferfcp->req_list, &queue->avail_defer_list);
+
+ spin_unlock_irqrestore(&queue->qlock, flags);
+
+ /* Save NVME CMD IO in fod */
+ memcpy(&fod->cmdiubuf, fcpreq->rspaddr, fcpreq->rsplen);
+
+ /* Setup new fcpreq to be processed */
+ fcpreq->rspaddr = NULL;
+ fcpreq->rsplen = 0;
+ fcpreq->nvmet_fc_private = fod;
+ fod->fcpreq = fcpreq;
+ fod->active = true;
+
+ /* inform LLDD IO is now being processed */
+ tgtport->ops->defer_rcv(&tgtport->fc_target_port, fcpreq);
+
+ /* Submit deferred IO for processing */
+ nvmet_fc_queue_fcp_req(tgtport, queue, fcpreq);
+
+ /*
+ * Leave the queue lookup get reference taken when
+ * fod was originally allocated.
+ */
}
static int
@@ -569,6 +633,8 @@
queue->port = assoc->tgtport->port;
queue->cpu = nvmet_fc_queue_to_cpu(assoc->tgtport, qid);
INIT_LIST_HEAD(&queue->fod_list);
+ INIT_LIST_HEAD(&queue->avail_defer_list);
+ INIT_LIST_HEAD(&queue->pending_cmd_list);
atomic_set(&queue->connected, 0);
atomic_set(&queue->sqtail, 0);
atomic_set(&queue->rsn, 1);
@@ -638,6 +704,7 @@
{
struct nvmet_fc_tgtport *tgtport = queue->assoc->tgtport;
struct nvmet_fc_fcp_iod *fod = queue->fod;
+ struct nvmet_fc_defer_fcp_req *deferfcp, *tempptr;
unsigned long flags;
int i, writedataactive;
bool disconnect;
@@ -666,6 +733,36 @@
}
}
}
+
+ /* Cleanup defer'ed IOs in queue */
+ list_for_each_entry_safe(deferfcp, tempptr, &queue->avail_defer_list,
+ req_list) {
+ list_del(&deferfcp->req_list);
+ kfree(deferfcp);
+ }
+
+ for (;;) {
+ deferfcp = list_first_entry_or_null(&queue->pending_cmd_list,
+ struct nvmet_fc_defer_fcp_req, req_list);
+ if (!deferfcp)
+ break;
+
+ list_del(&deferfcp->req_list);
+ spin_unlock_irqrestore(&queue->qlock, flags);
+
+ tgtport->ops->defer_rcv(&tgtport->fc_target_port,
+ deferfcp->fcp_req);
+
+ tgtport->ops->fcp_abort(&tgtport->fc_target_port,
+ deferfcp->fcp_req);
+
+ tgtport->ops->fcp_req_release(&tgtport->fc_target_port,
+ deferfcp->fcp_req);
+
+ kfree(deferfcp);
+
+ spin_lock_irqsave(&queue->qlock, flags);
+ }
spin_unlock_irqrestore(&queue->qlock, flags);
flush_workqueue(queue->work_q);
@@ -1174,14 +1271,14 @@
*/
if (iod->rqstdatalen < FCNVME_LSDESC_CRA_RQST_MINLEN)
ret = VERR_CR_ASSOC_LEN;
- else if (rqst->desc_list_len <
- cpu_to_be32(FCNVME_LSDESC_CRA_RQST_MIN_LISTLEN))
+ else if (be32_to_cpu(rqst->desc_list_len) <
+ FCNVME_LSDESC_CRA_RQST_MIN_LISTLEN)
ret = VERR_CR_ASSOC_RQST_LEN;
else if (rqst->assoc_cmd.desc_tag !=
cpu_to_be32(FCNVME_LSDESC_CREATE_ASSOC_CMD))
ret = VERR_CR_ASSOC_CMD;
- else if (rqst->assoc_cmd.desc_len <
- cpu_to_be32(FCNVME_LSDESC_CRA_CMD_DESC_MIN_DESCLEN))
+ else if (be32_to_cpu(rqst->assoc_cmd.desc_len) <
+ FCNVME_LSDESC_CRA_CMD_DESC_MIN_DESCLEN)
ret = VERR_CR_ASSOC_CMD_LEN;
else if (!rqst->assoc_cmd.ersp_ratio ||
(be16_to_cpu(rqst->assoc_cmd.ersp_ratio) >=
@@ -2172,11 +2269,38 @@
* Pass a FC-NVME FCP CMD IU received from the FC link to the nvmet-fc
* layer for processing.
*
- * The nvmet-fc layer will copy cmd payload to an internal structure for
- * processing. As such, upon completion of the routine, the LLDD may
- * immediately free/reuse the CMD IU buffer passed in the call.
+ * The nvmet_fc layer allocates a local job structure (struct
+ * nvmet_fc_fcp_iod) from the queue for the io and copies the
+ * CMD IU buffer to the job structure. As such, on a successful
+ * completion (returns 0), the LLDD may immediately free/reuse
+ * the CMD IU buffer passed in the call.
*
- * If this routine returns error, the lldd should abort the exchange.
+ * However, in some circumstances, due to the packetized nature of FC
+ * and the api of the FC LLDD which may issue a hw command to send the
+ * response, but the LLDD may not get the hw completion for that command
+ * and upcall the nvmet_fc layer before a new command may be
+ * asynchronously received - its possible for a command to be received
+ * before the LLDD and nvmet_fc have recycled the job structure. It gives
+ * the appearance of more commands received than fits in the sq.
+ * To alleviate this scenario, a temporary queue is maintained in the
+ * transport for pending LLDD requests waiting for a queue job structure.
+ * In these "overrun" cases, a temporary queue element is allocated
+ * the LLDD request and CMD iu buffer information remembered, and the
+ * routine returns a -EOVERFLOW status. Subsequently, when a queue job
+ * structure is freed, it is immediately reallocated for anything on the
+ * pending request list. The LLDDs defer_rcv() callback is called,
+ * informing the LLDD that it may reuse the CMD IU buffer, and the io
+ * is then started normally with the transport.
+ *
+ * The LLDD, when receiving an -EOVERFLOW completion status, is to treat
+ * the completion as successful but must not reuse the CMD IU buffer
+ * until the LLDD's defer_rcv() callback has been called for the
+ * corresponding struct nvmefc_tgt_fcp_req pointer.
+ *
+ * If there is any other condition in which an error occurs, the
+ * transport will return a non-zero status indicating the error.
+ * In all cases other than -EOVERFLOW, the transport has not accepted the
+ * request and the LLDD should abort the exchange.
*
* @target_port: pointer to the (registered) target port the FCP CMD IU
* was received on.
@@ -2194,6 +2318,8 @@
struct nvme_fc_cmd_iu *cmdiu = cmdiubuf;
struct nvmet_fc_tgt_queue *queue;
struct nvmet_fc_fcp_iod *fod;
+ struct nvmet_fc_defer_fcp_req *deferfcp;
+ unsigned long flags;
/* validate iu, so the connection id can be used to find the queue */
if ((cmdiubuf_len != sizeof(*cmdiu)) ||
@@ -2214,29 +2340,60 @@
* when the fod is freed.
*/
+ spin_lock_irqsave(&queue->qlock, flags);
+
fod = nvmet_fc_alloc_fcp_iod(queue);
- if (!fod) {
+ if (fod) {
+ spin_unlock_irqrestore(&queue->qlock, flags);
+
+ fcpreq->nvmet_fc_private = fod;
+ fod->fcpreq = fcpreq;
+
+ memcpy(&fod->cmdiubuf, cmdiubuf, cmdiubuf_len);
+
+ nvmet_fc_queue_fcp_req(tgtport, queue, fcpreq);
+
+ return 0;
+ }
+
+ if (!tgtport->ops->defer_rcv) {
+ spin_unlock_irqrestore(&queue->qlock, flags);
/* release the queue lookup reference */
nvmet_fc_tgt_q_put(queue);
return -ENOENT;
}
- fcpreq->nvmet_fc_private = fod;
- fod->fcpreq = fcpreq;
- /*
- * put all admin cmds on hw queue id 0. All io commands go to
- * the respective hw queue based on a modulo basis
- */
- fcpreq->hwqid = queue->qid ?
- ((queue->qid - 1) % tgtport->ops->max_hw_queues) : 0;
- memcpy(&fod->cmdiubuf, cmdiubuf, cmdiubuf_len);
+ deferfcp = list_first_entry_or_null(&queue->avail_defer_list,
+ struct nvmet_fc_defer_fcp_req, req_list);
+ if (deferfcp) {
+ /* Just re-use one that was previously allocated */
+ list_del(&deferfcp->req_list);
+ } else {
+ spin_unlock_irqrestore(&queue->qlock, flags);
- if (tgtport->ops->target_features & NVMET_FCTGTFEAT_CMD_IN_ISR)
- queue_work_on(queue->cpu, queue->work_q, &fod->work);
- else
- nvmet_fc_handle_fcp_rqst(tgtport, fod);
+ /* Now we need to dynamically allocate one */
+ deferfcp = kmalloc(sizeof(*deferfcp), GFP_KERNEL);
+ if (!deferfcp) {
+ /* release the queue lookup reference */
+ nvmet_fc_tgt_q_put(queue);
+ return -ENOMEM;
+ }
+ spin_lock_irqsave(&queue->qlock, flags);
+ }
- return 0;
+ /* For now, use rspaddr / rsplen to save payload information */
+ fcpreq->rspaddr = cmdiubuf;
+ fcpreq->rsplen = cmdiubuf_len;
+ deferfcp->fcp_req = fcpreq;
+
+ /* defer processing till a fod becomes available */
+ list_add_tail(&deferfcp->req_list, &queue->pending_cmd_list);
+
+ /* NOTE: the queue lookup reference is still valid */
+
+ spin_unlock_irqrestore(&queue->qlock, flags);
+
+ return -EOVERFLOW;
}
EXPORT_SYMBOL_GPL(nvmet_fc_rcv_fcp_req);
@@ -2293,66 +2450,70 @@
}
EXPORT_SYMBOL_GPL(nvmet_fc_rcv_fcp_abort);
-enum {
- FCT_TRADDR_ERR = 0,
- FCT_TRADDR_WWNN = 1 << 0,
- FCT_TRADDR_WWPN = 1 << 1,
-};
struct nvmet_fc_traddr {
u64 nn;
u64 pn;
};
-static const match_table_t traddr_opt_tokens = {
- { FCT_TRADDR_WWNN, "nn-%s" },
- { FCT_TRADDR_WWPN, "pn-%s" },
- { FCT_TRADDR_ERR, NULL }
-};
-
static int
-nvmet_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf)
+__nvme_fc_parse_u64(substring_t *sstr, u64 *val)
{
- substring_t args[MAX_OPT_ARGS];
- char *options, *o, *p;
- int token, ret = 0;
u64 token64;
- options = o = kstrdup(buf, GFP_KERNEL);
- if (!options)
- return -ENOMEM;
+ if (match_u64(sstr, &token64))
+ return -EINVAL;
+ *val = token64;
- while ((p = strsep(&o, ":\n")) != NULL) {
- if (!*p)
- continue;
+ return 0;
+}
- token = match_token(p, traddr_opt_tokens, args);
- switch (token) {
- case FCT_TRADDR_WWNN:
- if (match_u64(args, &token64)) {
- ret = -EINVAL;
- goto out;
- }
- traddr->nn = token64;
- break;
- case FCT_TRADDR_WWPN:
- if (match_u64(args, &token64)) {
- ret = -EINVAL;
- goto out;
- }
- traddr->pn = token64;
- break;
- default:
- pr_warn("unknown traddr token or missing value '%s'\n",
- p);
- ret = -EINVAL;
- goto out;
- }
- }
+/*
+ * This routine validates and extracts the WWN's from the TRADDR string.
+ * As kernel parsers need the 0x to determine number base, universally
+ * build string to parse with 0x prefix before parsing name strings.
+ */
+static int
+nvme_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf, size_t blen)
+{
+ char name[2 + NVME_FC_TRADDR_HEXNAMELEN + 1];
+ substring_t wwn = { name, &name[sizeof(name)-1] };
+ int nnoffset, pnoffset;
-out:
- kfree(options);
- return ret;
+ /* validate it string one of the 2 allowed formats */
+ if (strnlen(buf, blen) == NVME_FC_TRADDR_MAXLENGTH &&
+ !strncmp(buf, "nn-0x", NVME_FC_TRADDR_OXNNLEN) &&
+ !strncmp(&buf[NVME_FC_TRADDR_MAX_PN_OFFSET],
+ "pn-0x", NVME_FC_TRADDR_OXNNLEN)) {
+ nnoffset = NVME_FC_TRADDR_OXNNLEN;
+ pnoffset = NVME_FC_TRADDR_MAX_PN_OFFSET +
+ NVME_FC_TRADDR_OXNNLEN;
+ } else if ((strnlen(buf, blen) == NVME_FC_TRADDR_MINLENGTH &&
+ !strncmp(buf, "nn-", NVME_FC_TRADDR_NNLEN) &&
+ !strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET],
+ "pn-", NVME_FC_TRADDR_NNLEN))) {
+ nnoffset = NVME_FC_TRADDR_NNLEN;
+ pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN;
+ } else
+ goto out_einval;
+
+ name[0] = '0';
+ name[1] = 'x';
+ name[2 + NVME_FC_TRADDR_HEXNAMELEN] = 0;
+
+ memcpy(&name[2], &buf[nnoffset], NVME_FC_TRADDR_HEXNAMELEN);
+ if (__nvme_fc_parse_u64(&wwn, &traddr->nn))
+ goto out_einval;
+
+ memcpy(&name[2], &buf[pnoffset], NVME_FC_TRADDR_HEXNAMELEN);
+ if (__nvme_fc_parse_u64(&wwn, &traddr->pn))
+ goto out_einval;
+
+ return 0;
+
+out_einval:
+ pr_warn("%s: bad traddr string\n", __func__);
+ return -EINVAL;
}
static int
@@ -2370,7 +2531,8 @@
/* map the traddr address info to a target port */
- ret = nvmet_fc_parse_traddr(&traddr, port->disc_addr.traddr);
+ ret = nvme_fc_parse_traddr(&traddr, port->disc_addr.traddr,
+ sizeof(port->disc_addr.traddr));
if (ret)
return ret;
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 747bbdb..e3b244c 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -112,7 +112,6 @@
struct mutex lock;
u64 cap;
- u64 serial;
u32 cc;
u32 csts;
@@ -152,6 +151,7 @@
u16 max_qid;
u64 ver;
+ u64 serial;
char *subsysnqn;
struct config_group group;
diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c
index a0d4ede..63e3eb5 100644
--- a/drivers/nvmem/rockchip-efuse.c
+++ b/drivers/nvmem/rockchip-efuse.c
@@ -170,7 +170,7 @@
.data = (void *)&rockchip_rk3288_efuse_read,
},
{
- .compatible = "rockchip,rk322x-efuse",
+ .compatible = "rockchip,rk3228-efuse",
.data = (void *)&rockchip_rk3288_efuse_read,
},
{
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 28c38c7..e0a28ea 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -89,6 +89,7 @@
bool coherent;
unsigned long offset;
const struct iommu_ops *iommu;
+ u64 mask;
/*
* Set default coherent_dma_mask to 32 bit. Drivers are expected to
@@ -134,10 +135,9 @@
* Limit coherent and dma mask based on size and default mask
* set by the driver.
*/
- dev->coherent_dma_mask = min(dev->coherent_dma_mask,
- DMA_BIT_MASK(ilog2(dma_addr + size)));
- *dev->dma_mask = min((*dev->dma_mask),
- DMA_BIT_MASK(ilog2(dma_addr + size)));
+ mask = DMA_BIT_MASK(ilog2(dma_addr + size - 1) + 1);
+ dev->coherent_dma_mask &= mask;
+ *dev->dma_mask &= mask;
coherent = of_dma_is_coherent(np);
dev_dbg(dev, "device is%sdma coherent\n",
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6ce72aa..ab21c84 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -476,7 +476,7 @@
int i;
for (i = 0; i < nr_irqs; i++, res++)
- if (!of_irq_to_resource(dev, i, res))
+ if (of_irq_to_resource(dev, i, res) <= 0)
break;
return i;
diff --git a/drivers/of/property.c b/drivers/of/property.c
index eda50b4..067f9fa 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -708,6 +708,15 @@
{
unsigned int depth;
+ if (!node)
+ return NULL;
+
+ /*
+ * Preserve usecount for passed in node as of_get_next_parent()
+ * will do of_node_put() on it.
+ */
+ of_node_get(node);
+
/* Walk 3 levels up only if there is 'ports' node. */
for (depth = 3; depth && node; depth--) {
node = of_get_next_parent(node);
@@ -728,12 +737,16 @@
struct device_node *of_graph_get_remote_port_parent(
const struct device_node *node)
{
- struct device_node *np;
+ struct device_node *np, *pp;
/* Get remote endpoint node. */
np = of_graph_get_remote_endpoint(node);
- return of_graph_get_port_parent(np);
+ pp = of_graph_get_port_parent(np);
+
+ of_node_put(np);
+
+ return pp;
}
EXPORT_SYMBOL(of_graph_get_remote_port_parent);
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 5c63b92..ed92c12 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -956,7 +956,7 @@
dino_dev->hba.dev = dev;
dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
- dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
+ dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND;
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 055f83f..b1ff46f 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -333,11 +333,11 @@
/* Update the symlink to the real device */
sysfs_remove_link(&entry->kobj, "device");
+ write_unlock(&entry->rw_lock);
+
ret = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device");
WARN_ON(ret);
- write_unlock(&entry->rw_lock);
-
printk(KERN_INFO PDCS_PREFIX ": changed \"%s\" path to \"%s\"\n",
entry->name, buf);
@@ -954,7 +954,7 @@
NULL,
};
-static struct attribute_group pdcs_attr_group = {
+static const struct attribute_group pdcs_attr_group = {
.attrs = pdcs_subsys_attrs,
};
@@ -998,6 +998,7 @@
/* kobject is now registered */
write_lock(&entry->rw_lock);
entry->ready = 2;
+ write_unlock(&entry->rw_lock);
/* Add a nice symlink to the real device */
if (entry->dev) {
@@ -1005,7 +1006,6 @@
WARN_ON(err);
}
- write_unlock(&entry->rw_lock);
kobject_uevent(&entry->kobj, KOBJ_ADD);
}
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 253d924..2225afc 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -538,12 +538,9 @@
struct msi_desc *entry;
u16 control;
- if (affd) {
+ if (affd)
masks = irq_create_affinity_masks(nvec, affd);
- if (!masks)
- dev_err(&dev->dev, "can't allocate MSI affinity masks for %d vectors\n",
- nvec);
- }
+
/* MSI Entry Initialization */
entry = alloc_msi_entry(&dev->dev, nvec, masks);
@@ -679,12 +676,8 @@
struct msi_desc *entry;
int ret, i;
- if (affd) {
+ if (affd)
masks = irq_create_affinity_masks(nvec, affd);
- if (!masks)
- dev_err(&dev->dev, "can't allocate MSI-X affinity masks for %d vectors\n",
- nvec);
- }
for (i = 0, curmsk = masks; i < nvec; i++) {
entry = alloc_msi_entry(&dev->dev, 1, curmsk);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index af0cc34..fdf65a6 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -514,7 +514,7 @@
*/
struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev)
{
- struct pci_dev *bridge, *highest_pcie_bridge = NULL;
+ struct pci_dev *bridge, *highest_pcie_bridge = dev;
bridge = pci_upstream_bridge(dev);
while (bridge && pci_is_pcie(bridge)) {
@@ -4260,6 +4260,41 @@
EXPORT_SYMBOL_GPL(pci_reset_function);
/**
+ * pci_reset_function_locked - quiesce and reset a PCI device function
+ * @dev: PCI device to reset
+ *
+ * Some devices allow an individual function to be reset without affecting
+ * other functions in the same device. The PCI device must be responsive
+ * to PCI config space in order to use this function.
+ *
+ * This function does not just reset the PCI portion of a device, but
+ * clears all the state associated with the device. This function differs
+ * from __pci_reset_function() in that it saves and restores device state
+ * over the reset. It also differs from pci_reset_function() in that it
+ * requires the PCI device lock to be held.
+ *
+ * Returns 0 if the device function was successfully reset or negative if the
+ * device doesn't support resetting a single function.
+ */
+int pci_reset_function_locked(struct pci_dev *dev)
+{
+ int rc;
+
+ rc = pci_probe_reset_function(dev);
+ if (rc)
+ return rc;
+
+ pci_dev_save_and_disable(dev);
+
+ rc = __pci_reset_function_locked(dev);
+
+ pci_dev_restore(dev);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(pci_reset_function_locked);
+
+/**
* pci_try_reset_function - quiesce and reset a PCI device function
* @dev: PCI device to reset
*
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c31310d..e6a917b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1762,6 +1762,48 @@
PCI_EXP_DEVCTL_EXT_TAG);
}
+/**
+ * pcie_relaxed_ordering_enabled - Probe for PCIe relaxed ordering enable
+ * @dev: PCI device to query
+ *
+ * Returns true if the device has enabled relaxed ordering attribute.
+ */
+bool pcie_relaxed_ordering_enabled(struct pci_dev *dev)
+{
+ u16 v;
+
+ pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &v);
+
+ return !!(v & PCI_EXP_DEVCTL_RELAX_EN);
+}
+EXPORT_SYMBOL(pcie_relaxed_ordering_enabled);
+
+static void pci_configure_relaxed_ordering(struct pci_dev *dev)
+{
+ struct pci_dev *root;
+
+ /* PCI_EXP_DEVICE_RELAX_EN is RsvdP in VFs */
+ if (dev->is_virtfn)
+ return;
+
+ if (!pcie_relaxed_ordering_enabled(dev))
+ return;
+
+ /*
+ * For now, we only deal with Relaxed Ordering issues with Root
+ * Ports. Peer-to-Peer DMA is another can of worms.
+ */
+ root = pci_find_pcie_root_port(dev);
+ if (!root)
+ return;
+
+ if (root->dev_flags & PCI_DEV_FLAGS_NO_RELAXED_ORDERING) {
+ pcie_capability_clear_word(dev, PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_RELAX_EN);
+ dev_info(&dev->dev, "Disable Relaxed Ordering because the Root Port didn't support it\n");
+ }
+}
+
static void pci_configure_device(struct pci_dev *dev)
{
struct hotplug_params hpp;
@@ -1769,6 +1811,7 @@
pci_configure_mps(dev);
pci_configure_extended_tags(dev);
+ pci_configure_relaxed_ordering(dev);
memset(&hpp, 0, sizeof(hpp));
ret = pci_get_hp_params(dev, &hpp);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6967c6b..1407604 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4016,6 +4016,95 @@
quirk_tw686x_class);
/*
+ * Some devices have problems with Transaction Layer Packets with the Relaxed
+ * Ordering Attribute set. Such devices should mark themselves and other
+ * Device Drivers should check before sending TLPs with RO set.
+ */
+static void quirk_relaxedordering_disable(struct pci_dev *dev)
+{
+ dev->dev_flags |= PCI_DEV_FLAGS_NO_RELAXED_ORDERING;
+ dev_info(&dev->dev, "Disable Relaxed Ordering Attributes to avoid PCIe Completion erratum\n");
+}
+
+/*
+ * Intel Xeon processors based on Broadwell/Haswell microarchitecture Root
+ * Complex has a Flow Control Credit issue which can cause performance
+ * problems with Upstream Transaction Layer Packets with Relaxed Ordering set.
+ */
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f01, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f02, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f03, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f04, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f05, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f06, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f07, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f08, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f09, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0a, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0b, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0c, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0d, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x6f0e, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f01, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f02, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f03, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f04, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f05, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f06, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f07, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f08, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f09, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0a, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0b, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0c, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0d, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, 0x2f0e, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+
+/*
+ * The AMD ARM A1100 (AKA "SEATTLE") SoC has a bug in its PCIe Root Complex
+ * where Upstream Transaction Layer Packets with the Relaxed Ordering
+ * Attribute clear are allowed to bypass earlier TLPs with Relaxed Ordering
+ * set. This is a violation of the PCIe 3.0 Transaction Ordering Rules
+ * outlined in Section 2.4.1 (PCI Express(r) Base Specification Revision 3.0
+ * November 10, 2010). As a result, on this platform we can't use Relaxed
+ * Ordering for Upstream TLPs.
+ */
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a00, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a01, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_AMD, 0x1a02, PCI_CLASS_NOT_DEFINED, 8,
+ quirk_relaxedordering_disable);
+
+/*
* Per PCIe r3.0, sec 2.2.9, "Completion headers must supply the same
* values for the Attribute as were supplied in the header of the
* corresponding Request, except as explicitly allowed when IDO is used."
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index dc459eb..1c5e0f3 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -569,22 +569,41 @@
if (irq != other_irq) {
pr_warn("mismatched PPIs detected.\n");
err = -EINVAL;
+ goto err_out;
}
} else {
- err = request_irq(irq, handler,
- IRQF_NOBALANCING | IRQF_NO_THREAD, "arm-pmu",
+ struct arm_pmu_platdata *platdata = armpmu_get_platdata(armpmu);
+ unsigned long irq_flags;
+
+ err = irq_force_affinity(irq, cpumask_of(cpu));
+
+ if (err && num_possible_cpus() > 1) {
+ pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n",
+ irq, cpu);
+ goto err_out;
+ }
+
+ if (platdata && platdata->irq_flags) {
+ irq_flags = platdata->irq_flags;
+ } else {
+ irq_flags = IRQF_PERCPU |
+ IRQF_NOBALANCING |
+ IRQF_NO_THREAD;
+ }
+
+ err = request_irq(irq, handler, irq_flags, "arm-pmu",
per_cpu_ptr(&hw_events->percpu_pmu, cpu));
}
- if (err) {
- pr_err("unable to request IRQ%d for ARM PMU counters\n",
- irq);
- return err;
- }
+ if (err)
+ goto err_out;
cpumask_set_cpu(cpu, &armpmu->active_irqs);
-
return 0;
+
+err_out:
+ pr_err("unable to request IRQ%d for ARM PMU counters\n", irq);
+ return err;
}
int armpmu_request_irqs(struct arm_pmu *armpmu)
@@ -628,12 +647,6 @@
enable_percpu_irq(irq, IRQ_TYPE_NONE);
return 0;
}
-
- if (irq_force_affinity(irq, cpumask_of(cpu)) &&
- num_possible_cpus() > 1) {
- pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n",
- irq, cpu);
- }
}
return 0;
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
index 69255f5..4eafa7a 100644
--- a/drivers/perf/arm_pmu_platform.c
+++ b/drivers/perf/arm_pmu_platform.c
@@ -131,8 +131,8 @@
}
if (!pmu_has_irq_affinity(pdev->dev.of_node)) {
- pr_warn("no interrupt-affinity property for %s, guessing.\n",
- of_node_full_name(pdev->dev.of_node));
+ pr_warn("no interrupt-affinity property for %pOF, guessing.\n",
+ pdev->dev.of_node);
}
/*
@@ -211,7 +211,7 @@
}
if (ret) {
- pr_info("%s: failed to probe PMU!\n", of_node_full_name(node));
+ pr_info("%pOF: failed to probe PMU!\n", node);
goto out_free;
}
@@ -228,8 +228,7 @@
out_free_irqs:
armpmu_free_irqs(pmu);
out_free:
- pr_info("%s: failed to register PMU devices!\n",
- of_node_full_name(node));
+ pr_info("%pOF: failed to register PMU devices!\n", node);
armpmu_free(pmu);
return ret;
}
diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index c259848..b242cce 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c
@@ -546,6 +546,7 @@
}
if ((event != event->group_leader) &&
+ !is_software_event(event->group_leader) &&
(L2_EVT_GROUP(event->group_leader->attr.config) ==
L2_EVT_GROUP(event->attr.config))) {
dev_dbg_ratelimited(&l2cache_pmu->pdev->dev,
@@ -558,6 +559,7 @@
list_for_each_entry(sibling, &event->group_leader->sibling_list,
group_entry) {
if ((sibling != event) &&
+ !is_software_event(sibling) &&
(L2_EVT_GROUP(sibling->attr.config) ==
L2_EVT_GROUP(event->attr.config))) {
dev_dbg_ratelimited(&l2cache_pmu->pdev->dev,
diff --git a/drivers/phy/broadcom/Kconfig b/drivers/phy/broadcom/Kconfig
index 37371b8..64fc59c 100644
--- a/drivers/phy/broadcom/Kconfig
+++ b/drivers/phy/broadcom/Kconfig
@@ -30,8 +30,8 @@
tristate "Broadcom Northstar USB 3.0 PHY Driver"
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on HAS_IOMEM && OF
+ depends on MDIO_BUS
select GENERIC_PHY
- select MDIO_DEVICE
help
Enable this to support Broadcom USB 3.0 PHY connected to the USB
controller on Northstar family.
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 20f1b44..04e929f 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1548,6 +1548,13 @@
},
},
{
+ .ident = "HP Chromebook 11 G5 (Setzer)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Setzer"),
+ },
+ },
+ {
.ident = "Acer Chromebook R11 (Cyan)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
diff --git a/drivers/pinctrl/intel/pinctrl-merrifield.c b/drivers/pinctrl/intel/pinctrl-merrifield.c
index 4d4ef42..86c4b3f 100644
--- a/drivers/pinctrl/intel/pinctrl-merrifield.c
+++ b/drivers/pinctrl/intel/pinctrl-merrifield.c
@@ -343,9 +343,9 @@
static const unsigned int mrfld_sdio_pins[] = { 50, 51, 52, 53, 54, 55, 56 };
static const unsigned int mrfld_spi5_pins[] = { 90, 91, 92, 93, 94, 95, 96 };
-static const unsigned int mrfld_uart0_pins[] = { 124, 125, 126, 127 };
-static const unsigned int mrfld_uart1_pins[] = { 128, 129, 130, 131 };
-static const unsigned int mrfld_uart2_pins[] = { 132, 133, 134, 135 };
+static const unsigned int mrfld_uart0_pins[] = { 115, 116, 117, 118 };
+static const unsigned int mrfld_uart1_pins[] = { 119, 120, 121, 122 };
+static const unsigned int mrfld_uart2_pins[] = { 123, 124, 125, 126 };
static const unsigned int mrfld_pwm0_pins[] = { 144 };
static const unsigned int mrfld_pwm1_pins[] = { 145 };
static const unsigned int mrfld_pwm2_pins[] = { 132 };
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index f024e25..0c6d7812 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -37,7 +37,7 @@
#define IRQ_STATUS 0x10
#define IRQ_WKUP 0x18
-#define NB_FUNCS 2
+#define NB_FUNCS 3
#define GPIO_PER_REG 32
/**
@@ -126,6 +126,16 @@
.funcs = {_func1, "gpio"} \
}
+#define PIN_GRP_GPIO_3(_name, _start, _nr, _mask, _v1, _v2, _v3, _f1, _f2) \
+ { \
+ .name = _name, \
+ .start_pin = _start, \
+ .npins = _nr, \
+ .reg_mask = _mask, \
+ .val = {_v1, _v2, _v3}, \
+ .funcs = {_f1, _f2, "gpio"} \
+ }
+
#define PIN_GRP_EXTRA(_name, _start, _nr, _mask, _v1, _v2, _start2, _nr2, \
_f1, _f2) \
{ \
@@ -171,12 +181,13 @@
PIN_GRP_GPIO("usb32_drvvbus0", 0, 1, BIT(0), "drvbus"),
PIN_GRP_GPIO("usb2_drvvbus1", 1, 1, BIT(1), "drvbus"),
PIN_GRP_GPIO("sdio_sb", 24, 6, BIT(2), "sdio"),
- PIN_GRP_EXTRA("rgmii", 6, 12, BIT(3), 0, BIT(3), 23, 1, "mii", "gpio"),
+ PIN_GRP_GPIO("rgmii", 6, 12, BIT(3), "mii"),
PIN_GRP_GPIO("pcie1", 3, 2, BIT(4), "pcie"),
PIN_GRP_GPIO("ptp", 20, 3, BIT(5), "ptp"),
PIN_GRP("ptp_clk", 21, 1, BIT(6), "ptp", "mii"),
PIN_GRP("ptp_trig", 22, 1, BIT(7), "ptp", "mii"),
- PIN_GRP("mii_col", 23, 1, BIT(8), "mii", "mii_err"),
+ PIN_GRP_GPIO_3("mii_col", 23, 1, BIT(8) | BIT(14), 0, BIT(8), BIT(14),
+ "mii", "mii_err"),
};
const struct armada_37xx_pin_data armada_37xx_pin_nb = {
@@ -187,7 +198,7 @@
};
const struct armada_37xx_pin_data armada_37xx_pin_sb = {
- .nr_pins = 29,
+ .nr_pins = 30,
.name = "GPIO2",
.groups = armada_37xx_sb_groups,
.ngroups = ARRAY_SIZE(armada_37xx_sb_groups),
@@ -208,7 +219,7 @@
{
int f;
- for (f = 0; f < NB_FUNCS; f++)
+ for (f = 0; (f < NB_FUNCS) && grp->funcs[f]; f++)
if (!strcmp(grp->funcs[f], func))
return f;
@@ -795,7 +806,7 @@
for (j = 0; j < grp->extra_npins; j++)
grp->pins[i+j] = grp->extra_pin + j;
- for (f = 0; f < NB_FUNCS; f++) {
+ for (f = 0; (f < NB_FUNCS) && grp->funcs[f]; f++) {
int ret;
/* check for unique functions and count groups */
ret = armada_37xx_add_function(info->funcs, &funcsize,
@@ -847,7 +858,7 @@
struct armada_37xx_pin_group *gp = &info->groups[g];
int f;
- for (f = 0; f < NB_FUNCS; f++) {
+ for (f = 0; (f < NB_FUNCS) && gp->funcs[f]; f++) {
if (strcmp(gp->funcs[f], name) == 0) {
*groups = gp->name;
groups++;
diff --git a/drivers/pinctrl/stm32/Kconfig b/drivers/pinctrl/stm32/Kconfig
index 3b8026f..7e1fe39 100644
--- a/drivers/pinctrl/stm32/Kconfig
+++ b/drivers/pinctrl/stm32/Kconfig
@@ -6,29 +6,30 @@
select PINMUX
select GENERIC_PINCONF
select GPIOLIB
+ select IRQ_DOMAIN_HIERARCHY
select MFD_SYSCON
config PINCTRL_STM32F429
bool "STMicroelectronics STM32F429 pin control" if COMPILE_TEST && !MACH_STM32F429
- depends on OF && IRQ_DOMAIN_HIERARCHY
+ depends on OF
default MACH_STM32F429
select PINCTRL_STM32
config PINCTRL_STM32F469
bool "STMicroelectronics STM32F469 pin control" if COMPILE_TEST && !MACH_STM32F469
- depends on OF && IRQ_DOMAIN_HIERARCHY
+ depends on OF
default MACH_STM32F469
select PINCTRL_STM32
config PINCTRL_STM32F746
bool "STMicroelectronics STM32F746 pin control" if COMPILE_TEST && !MACH_STM32F746
- depends on OF && IRQ_DOMAIN_HIERARCHY
+ depends on OF
default MACH_STM32F746
select PINCTRL_STM32
config PINCTRL_STM32H743
bool "STMicroelectronics STM32H743 pin control" if COMPILE_TEST && !MACH_STM32H743
- depends on OF && IRQ_DOMAIN_HIERARCHY
+ depends on OF
default MACH_STM32H743
select PINCTRL_STM32
endif
diff --git a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
index 159580c..47a392b 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c
@@ -918,6 +918,7 @@
SUNXI_FUNCTION_VARIANT(0x3, "emac", /* ETXD1 */
PINCTRL_SUN7I_A20),
SUNXI_FUNCTION(0x4, "keypad"), /* IN6 */
+ SUNXI_FUNCTION(0x5, "sim"), /* DET */
SUNXI_FUNCTION_IRQ(0x6, 16), /* EINT16 */
SUNXI_FUNCTION(0x7, "csi1")), /* D16 */
SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 17),
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
index a433a30..c75e094 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
@@ -1084,7 +1084,7 @@
static const int usb1_muxvals[] = {0, 0};
static const unsigned usb2_pins[] = {184, 185};
static const int usb2_muxvals[] = {0, 0};
-static const unsigned usb3_pins[] = {186, 187};
+static const unsigned usb3_pins[] = {187, 188};
static const int usb3_muxvals[] = {0, 0};
static const unsigned port_range0_pins[] = {
300, 301, 302, 303, 304, 305, 306, 307, /* PORT0x */
diff --git a/drivers/pinctrl/zte/pinctrl-zx.c b/drivers/pinctrl/zte/pinctrl-zx.c
index 787e396..f828ee3 100644
--- a/drivers/pinctrl/zte/pinctrl-zx.c
+++ b/drivers/pinctrl/zte/pinctrl-zx.c
@@ -64,10 +64,8 @@
struct zx_pinctrl_soc_info *info = zpctl->info;
const struct pinctrl_pin_desc *pindesc = info->pins + group_selector;
struct zx_pin_data *data = pindesc->drv_data;
- struct zx_mux_desc *mux = data->muxes;
- u32 mask = (1 << data->width) - 1;
- u32 offset = data->offset;
- u32 bitpos = data->bitpos;
+ struct zx_mux_desc *mux;
+ u32 mask, offset, bitpos;
struct function_desc *func;
unsigned long flags;
u32 val, mval;
@@ -76,6 +74,11 @@
if (!data)
return -EINVAL;
+ mux = data->muxes;
+ mask = (1 << data->width) - 1;
+ offset = data->offset;
+ bitpos = data->bitpos;
+
func = pinmux_generic_get_function(pctldev, func_selector);
if (!func)
return -EINVAL;
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index b048607..80b8795 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -675,6 +675,7 @@
tristate "PEAQ 2-in-1 WMI hotkey driver"
depends on ACPI_WMI
depends on INPUT
+ select INPUT_POLLDEV
help
Say Y here if you want to support WMI-based hotkeys on PEAQ 2-in-1s.
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index f897846..dad8f4a 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -626,7 +626,7 @@
* WMI Interface Version 8 4 <version>
* WMI buffer length 12 4 4096
*/
-static int __init dell_wmi_check_descriptor_buffer(void)
+static int dell_wmi_check_descriptor_buffer(void)
{
struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
@@ -717,9 +717,15 @@
static int dell_wmi_probe(struct wmi_device *wdev)
{
+ int err;
+
struct dell_wmi_priv *priv = devm_kzalloc(
&wdev->dev, sizeof(struct dell_wmi_priv), GFP_KERNEL);
+ err = dell_wmi_check_descriptor_buffer();
+ if (err)
+ return err;
+
dev_set_drvdata(&wdev->dev, priv);
return dell_wmi_input_setup(wdev);
@@ -749,10 +755,6 @@
{
int err;
- err = dell_wmi_check_descriptor_buffer();
- if (err)
- return err;
-
dmi_check_system(dell_wmi_smbios_list);
if (wmi_requires_smbios_request) {
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index 61f1063..4809267 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -36,8 +36,8 @@
/* In theory, these are HID usages. */
static const struct key_entry intel_vbtn_keymap[] = {
- { KE_IGNORE, 0xC0, { KEY_POWER } }, /* power key press */
- { KE_KEY, 0xC1, { KEY_POWER } }, /* power key release */
+ { KE_KEY, 0xC0, { KEY_POWER } }, /* power key press */
+ { KE_IGNORE, 0xC1, { KEY_POWER } }, /* power key release */
{ KE_KEY, 0xC4, { KEY_VOLUMEUP } }, /* volume-up key press */
{ KE_IGNORE, 0xC5, { KEY_VOLUMEUP } }, /* volume-up key release */
{ KE_KEY, 0xC6, { KEY_VOLUMEDOWN } }, /* volume-down key press */
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 1a764e3..e32ba57 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1252,12 +1252,12 @@
return 0;
-err_unreg_class:
- class_unregister(&wmi_bus_class);
-
err_unreg_bus:
bus_unregister(&wmi_bus_type);
+err_unreg_class:
+ class_unregister(&wmi_bus_class);
+
return error;
}
diff --git a/drivers/power/avs/rockchip-io-domain.c b/drivers/power/avs/rockchip-io-domain.c
index 031a343..75f63e3 100644
--- a/drivers/power/avs/rockchip-io-domain.c
+++ b/drivers/power/avs/rockchip-io-domain.c
@@ -349,6 +349,36 @@
.init = rk3399_pmu_iodomain_init,
};
+static const struct rockchip_iodomain_soc_data soc_data_rv1108 = {
+ .grf_offset = 0x404,
+ .supply_names = {
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ "vccio1",
+ "vccio2",
+ "vccio3",
+ "vccio5",
+ "vccio6",
+ },
+
+};
+
+static const struct rockchip_iodomain_soc_data soc_data_rv1108_pmu = {
+ .grf_offset = 0x104,
+ .supply_names = {
+ "pmu",
+ },
+};
+
static const struct of_device_id rockchip_iodomain_match[] = {
{
.compatible = "rockchip,rk3188-io-voltage-domain",
@@ -382,6 +412,14 @@
.compatible = "rockchip,rk3399-pmu-io-voltage-domain",
.data = (void *)&soc_data_rk3399_pmu
},
+ {
+ .compatible = "rockchip,rv1108-io-voltage-domain",
+ .data = (void *)&soc_data_rv1108
+ },
+ {
+ .compatible = "rockchip,rv1108-pmu-io-voltage-domain",
+ .data = (void *)&soc_data_rv1108_pmu
+ },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, rockchip_iodomain_match);
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index b774357..7eacc1c 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
+#include <uapi/linux/sched/types.h>
#include "ptp_private.h"
@@ -184,6 +185,19 @@
kfree(ptp);
}
+static void ptp_aux_kworker(struct kthread_work *work)
+{
+ struct ptp_clock *ptp = container_of(work, struct ptp_clock,
+ aux_work.work);
+ struct ptp_clock_info *info = ptp->info;
+ long delay;
+
+ delay = info->do_aux_work(info);
+
+ if (delay >= 0)
+ kthread_queue_delayed_work(ptp->kworker, &ptp->aux_work, delay);
+}
+
/* public interface */
struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
@@ -217,6 +231,20 @@
mutex_init(&ptp->pincfg_mux);
init_waitqueue_head(&ptp->tsev_wq);
+ if (ptp->info->do_aux_work) {
+ char *worker_name = kasprintf(GFP_KERNEL, "ptp%d", ptp->index);
+
+ kthread_init_delayed_work(&ptp->aux_work, ptp_aux_kworker);
+ ptp->kworker = kthread_create_worker(0, worker_name ?
+ worker_name : info->name);
+ kfree(worker_name);
+ if (IS_ERR(ptp->kworker)) {
+ err = PTR_ERR(ptp->kworker);
+ pr_err("failed to create ptp aux_worker %d\n", err);
+ goto kworker_err;
+ }
+ }
+
err = ptp_populate_pin_groups(ptp);
if (err)
goto no_pin_groups;
@@ -259,6 +287,9 @@
no_device:
ptp_cleanup_pin_groups(ptp);
no_pin_groups:
+ if (ptp->kworker)
+ kthread_destroy_worker(ptp->kworker);
+kworker_err:
mutex_destroy(&ptp->tsevq_mux);
mutex_destroy(&ptp->pincfg_mux);
ida_simple_remove(&ptp_clocks_map, index);
@@ -274,6 +305,11 @@
ptp->defunct = 1;
wake_up_interruptible(&ptp->tsev_wq);
+ if (ptp->kworker) {
+ kthread_cancel_delayed_work_sync(&ptp->aux_work);
+ kthread_destroy_worker(ptp->kworker);
+ }
+
/* Release the clock's resources. */
if (ptp->pps_source)
pps_unregister_source(ptp->pps_source);
@@ -339,6 +375,12 @@
}
EXPORT_SYMBOL(ptp_find_pin);
+int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay)
+{
+ return kthread_mod_delayed_work(ptp->kworker, &ptp->aux_work, delay);
+}
+EXPORT_SYMBOL(ptp_schedule_worker);
+
/* module operations */
static void __exit ptp_exit(void)
diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
index d958889..b86f1bf 100644
--- a/drivers/ptp/ptp_private.h
+++ b/drivers/ptp/ptp_private.h
@@ -22,6 +22,7 @@
#include <linux/cdev.h>
#include <linux/device.h>
+#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/posix-clock.h>
#include <linux/ptp_clock.h>
@@ -56,6 +57,8 @@
struct attribute_group pin_attr_group;
/* 1st entry is a pointer to the real group, 2nd is NULL terminator */
const struct attribute_group *pin_attr_groups[2];
+ struct kthread_worker *kworker;
+ struct kthread_delayed_work aux_work;
};
/*
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 4fac49e..4b43aa6 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1301,7 +1301,6 @@
static const struct regmap_config regmap_config = {
.reg_bits = 8,
.val_bits = 8,
- .max_register = 0x12,
};
static int ds1307_probe(struct i2c_client *client,
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 7e0d4f7..432fc40 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -559,6 +559,7 @@
chpid.id = crw0->rsid;
switch (crw0->erc) {
case CRW_ERC_IPARM: /* Path has come. */
+ case CRW_ERC_INIT:
if (!chp_is_registered(chpid))
chp_new(chpid);
chsc_chp_online(chpid);
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index ba6ac83..5ccfdc8 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -481,7 +481,7 @@
ccw_tail = ccw_head + (iter->ch_len - 1) * sizeof(struct ccw1);
if ((ccw_head <= ccw->cda) && (ccw->cda <= ccw_tail)) {
- ccw->cda = (__u32) (addr_t) (iter->ch_ccw +
+ ccw->cda = (__u32) (addr_t) (((char *)iter->ch_ccw) +
(ccw->cda - ccw_head));
return 0;
}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 8975cd3..d42e758 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2512,7 +2512,7 @@
struct rtable *rt = (struct rtable *) dst;
__be32 *pkey = &ip_hdr(skb)->daddr;
- if (rt->rt_gateway)
+ if (rt && rt->rt_gateway)
pkey = &rt->rt_gateway;
/* IPv4 */
@@ -2523,7 +2523,7 @@
struct rt6_info *rt = (struct rt6_info *) dst;
struct in6_addr *pkey = &ipv6_hdr(skb)->daddr;
- if (!ipv6_addr_any(&rt->rt6i_gateway))
+ if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
pkey = &rt->rt6i_gateway;
/* IPv6 */
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 04efed1..f32765d 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -212,8 +212,8 @@
writeb(regs, p->regs);
- printk(KERN_INFO PFX "7-Segment Display%s at [%s:0x%llx] %s\n",
- op->dev.of_node->full_name,
+ printk(KERN_INFO PFX "7-Segment Display%pOF at [%s:0x%llx] %s\n",
+ op->dev.of_node,
(regs & D7S_FLIP) ? " (FLIPPED)" : "",
op->resource[0].start,
sol_compat ? "in sol_compat mode" : "");
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index 216f923..a610b8d 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -181,8 +181,8 @@
}
flash.busy = 0;
- printk(KERN_INFO "%s: OBP Flash, RD %lx[%lx] WR %lx[%lx]\n",
- op->dev.of_node->full_name,
+ printk(KERN_INFO "%pOF: OBP Flash, RD %lx[%lx] WR %lx[%lx]\n",
+ op->dev.of_node,
flash.read_base, flash.read_size,
flash.write_base, flash.write_size);
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 57696fc..0a50133 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -379,8 +379,8 @@
}
sbus_writel(UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK, &p->regs->uctrl_intr);
- printk(KERN_INFO "%s: uctrl regs[0x%p] (irq %d)\n",
- op->dev.of_node->full_name, p->regs, p->irq);
+ printk(KERN_INFO "%pOF: uctrl regs[0x%p] (irq %d)\n",
+ op->dev.of_node, p->regs, p->irq);
uctrl_get_event_status(p);
uctrl_get_external_status(p);
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index d384f4f..d145e0d 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -47,6 +47,17 @@
default n
depends on NET
+config SCSI_MQ_DEFAULT
+ bool "SCSI: use blk-mq I/O path by default"
+ depends on SCSI
+ ---help---
+ This option enables the new blk-mq based I/O path for SCSI
+ devices by default. With the option the scsi_mod.use_blk_mq
+ module/boot option defaults to Y, without it to N, but it can
+ still be overridden either way.
+
+ If unsure say N.
+
config SCSI_PROC_FS
bool "legacy /proc/scsi/ support"
depends on SCSI && PROC_FS
@@ -1230,6 +1241,8 @@
tristate "Emulex LightPulse Fibre Channel Support"
depends on PCI && SCSI
depends on SCSI_FC_ATTRS
+ depends on NVME_TARGET_FC || NVME_TARGET_FC=n
+ depends on NVME_FC || NVME_FC=n
select CRC_T10DIF
---help---
This lpfc driver supports the Emulex LightPulse
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 707ee2f..a1a2c71 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -549,7 +549,9 @@
if ((le32_to_cpu(get_name_reply->status) == CT_OK)
&& (get_name_reply->data[0] != '\0')) {
char *sp = get_name_reply->data;
- sp[sizeof(((struct aac_get_name_resp *)NULL)->data)] = '\0';
+ int data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
+
+ sp[data_size - 1] = '\0';
while (*sp == ' ')
++sp;
if (*sp) {
@@ -579,12 +581,15 @@
static int aac_get_container_name(struct scsi_cmnd * scsicmd)
{
int status;
+ int data_size;
struct aac_get_name *dinfo;
struct fib * cmd_fibcontext;
struct aac_dev * dev;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+ data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
+
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
aac_fib_init(cmd_fibcontext);
@@ -593,7 +598,7 @@
dinfo->command = cpu_to_le32(VM_ContainerConfig);
dinfo->type = cpu_to_le32(CT_READ_NAME);
dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
- dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
+ dinfo->count = cpu_to_le32(data_size - 1);
status = aac_fib_send(ContainerCommand,
cmd_fibcontext,
@@ -3198,10 +3203,11 @@
return -EBUSY;
if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
return -EFAULT;
- if (qd.cnum == -1)
+ if (qd.cnum == -1) {
+ if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
+ return -EINVAL;
qd.cnum = qd.id;
- else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
- {
+ } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
return -EINVAL;
qd.instance = dev->scsi_host_ptr->host_no;
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index d31a9bc..ee2667e 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -2274,7 +2274,7 @@
__le32 parm3;
__le32 parm4;
__le32 parm5;
- u8 data[16];
+ u8 data[17];
};
#define CT_CID_TO_32BITS_UID 165
diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile
index 741d818..07b60a7 100644
--- a/drivers/scsi/aic7xxx/Makefile
+++ b/drivers/scsi/aic7xxx/Makefile
@@ -55,9 +55,9 @@
ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y)
$(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm
- $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic7xxx_reg.h \
+ $(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic7xxx_reg.h \
$(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \
- $(src)/aic7xxx.seq
+ $(srctree)/$(src)/aic7xxx.seq
$(aic7xxx-gen-y): $(obj)/aic7xxx_seq.h
else
@@ -72,14 +72,14 @@
ifeq ($(CONFIG_AIC79XX_BUILD_FIRMWARE),y)
$(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm
- $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic79xx_reg.h \
+ $(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic79xx_reg.h \
$(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \
- $(src)/aic79xx.seq
+ $(srctree)/$(src)/aic79xx.seq
$(aic79xx-gen-y): $(obj)/aic79xx_seq.h
else
$(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped
endif
-$(obj)/aicasm/aicasm: $(src)/aicasm/*.[chyl]
- $(MAKE) -C $(src)/aicasm
+$(obj)/aicasm/aicasm: $(srctree)/$(src)/aicasm/*.[chyl]
+ $(MAKE) -C $(srctree)/$(src)/aicasm OUTDIR=$(shell pwd)/$(obj)/aicasm/
diff --git a/drivers/scsi/aic7xxx/aicasm/Makefile b/drivers/scsi/aic7xxx/aicasm/Makefile
index b98c5c1..45e2d49 100644
--- a/drivers/scsi/aic7xxx/aicasm/Makefile
+++ b/drivers/scsi/aic7xxx/aicasm/Makefile
@@ -1,19 +1,21 @@
PROG= aicasm
+OUTDIR ?= ./
+
.SUFFIXES= .l .y .c .h
CSRCS= aicasm.c aicasm_symbol.c
YSRCS= aicasm_gram.y aicasm_macro_gram.y
LSRCS= aicasm_scan.l aicasm_macro_scan.l
-GENHDRS= aicdb.h $(YSRCS:.y=.h)
-GENSRCS= $(YSRCS:.y=.c) $(LSRCS:.l=.c)
+GENHDRS= $(addprefix ${OUTDIR}/,aicdb.h $(YSRCS:.y=.h))
+GENSRCS= $(addprefix ${OUTDIR}/,$(YSRCS:.y=.c) $(LSRCS:.l=.c))
SRCS= ${CSRCS} ${GENSRCS}
LIBS= -ldb
clean-files:= ${GENSRCS} ${GENHDRS} $(YSRCS:.y=.output) $(PROG)
# Override default kernel CFLAGS. This is a userland app.
-AICASM_CFLAGS:= -I/usr/include -I.
+AICASM_CFLAGS:= -I/usr/include -I. -I$(OUTDIR)
LEX= flex
YACC= bison
YFLAGS= -d
@@ -32,22 +34,25 @@
LFLAGS= -d
endif
-$(PROG): ${GENHDRS} $(SRCS)
- $(AICASM_CC) $(AICASM_CFLAGS) $(SRCS) -o $(PROG) $(LIBS)
+$(PROG): $(OUTDIR) ${GENHDRS} $(SRCS)
+ $(AICASM_CC) $(AICASM_CFLAGS) $(SRCS) -o $(OUTDIR)/$(PROG) $(LIBS)
-aicdb.h:
+$(OUTDIR):
+ mkdir -p $(OUTDIR)
+
+$(OUTDIR)/aicdb.h:
@if [ -e "/usr/include/db4/db_185.h" ]; then \
- echo "#include <db4/db_185.h>" > aicdb.h; \
+ echo "#include <db4/db_185.h>" > $@; \
elif [ -e "/usr/include/db3/db_185.h" ]; then \
- echo "#include <db3/db_185.h>" > aicdb.h; \
+ echo "#include <db3/db_185.h>" > $@; \
elif [ -e "/usr/include/db2/db_185.h" ]; then \
- echo "#include <db2/db_185.h>" > aicdb.h; \
+ echo "#include <db2/db_185.h>" > $@; \
elif [ -e "/usr/include/db1/db_185.h" ]; then \
- echo "#include <db1/db_185.h>" > aicdb.h; \
+ echo "#include <db1/db_185.h>" > $@; \
elif [ -e "/usr/include/db/db_185.h" ]; then \
- echo "#include <db/db_185.h>" > aicdb.h; \
+ echo "#include <db/db_185.h>" > $@; \
elif [ -e "/usr/include/db_185.h" ]; then \
- echo "#include <db_185.h>" > aicdb.h; \
+ echo "#include <db_185.h>" > $@; \
else \
echo "*** Install db development libraries"; \
fi
@@ -58,23 +63,23 @@
# Create a dependency chain in generated files
# to avoid concurrent invocations of the single
# rule that builds them all.
-aicasm_gram.c: aicasm_gram.h
-aicasm_gram.c aicasm_gram.h: aicasm_gram.y
+$(OUTDIR)/aicasm_gram.c: $(OUTDIR)/aicasm_gram.h
+$(OUTDIR)/aicasm_gram.c $(OUTDIR)/aicasm_gram.h: aicasm_gram.y
$(YACC) $(YFLAGS) -b $(<:.y=) $<
- mv $(<:.y=).tab.c $(<:.y=.c)
- mv $(<:.y=).tab.h $(<:.y=.h)
+ mv $(<:.y=).tab.c $(OUTDIR)/$(<:.y=.c)
+ mv $(<:.y=).tab.h $(OUTDIR)/$(<:.y=.h)
# Create a dependency chain in generated files
# to avoid concurrent invocations of the single
# rule that builds them all.
-aicasm_macro_gram.c: aicasm_macro_gram.h
-aicasm_macro_gram.c aicasm_macro_gram.h: aicasm_macro_gram.y
+$(OUTDIR)/aicasm_macro_gram.c: $(OUTDIR)/aicasm_macro_gram.h
+$(OUTDIR)/aicasm_macro_gram.c $(OUTDIR)/aicasm_macro_gram.h: aicasm_macro_gram.y
$(YACC) $(YFLAGS) -b $(<:.y=) -p mm $<
- mv $(<:.y=).tab.c $(<:.y=.c)
- mv $(<:.y=).tab.h $(<:.y=.h)
+ mv $(<:.y=).tab.c $(OUTDIR)/$(<:.y=.c)
+ mv $(<:.y=).tab.h $(OUTDIR)/$(<:.y=.h)
-aicasm_scan.c: aicasm_scan.l
- $(LEX) $(LFLAGS) -o$@ $<
+$(OUTDIR)/aicasm_scan.c: aicasm_scan.l
+ $(LEX) $(LFLAGS) -o $@ $<
-aicasm_macro_scan.c: aicasm_macro_scan.l
- $(LEX) $(LFLAGS) -Pmm -o$@ $<
+$(OUTDIR)/aicasm_macro_scan.c: aicasm_macro_scan.l
+ $(LEX) $(LFLAGS) -Pmm -o $@ $<
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 7dfe709..6844ba3 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2624,12 +2624,11 @@
};
/**
- * bnx2fc_percpu_thread_create - Create a receive thread for an
- * online CPU
+ * bnx2fc_cpu_online - Create a receive thread for an online CPU
*
* @cpu: cpu index for the online cpu
*/
-static void bnx2fc_percpu_thread_create(unsigned int cpu)
+static int bnx2fc_cpu_online(unsigned int cpu)
{
struct bnx2fc_percpu_s *p;
struct task_struct *thread;
@@ -2639,15 +2638,17 @@
thread = kthread_create_on_node(bnx2fc_percpu_io_thread,
(void *)p, cpu_to_node(cpu),
"bnx2fc_thread/%d", cpu);
+ if (IS_ERR(thread))
+ return PTR_ERR(thread);
+
/* bind thread to the cpu */
- if (likely(!IS_ERR(thread))) {
- kthread_bind(thread, cpu);
- p->iothread = thread;
- wake_up_process(thread);
- }
+ kthread_bind(thread, cpu);
+ p->iothread = thread;
+ wake_up_process(thread);
+ return 0;
}
-static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
+static int bnx2fc_cpu_offline(unsigned int cpu)
{
struct bnx2fc_percpu_s *p;
struct task_struct *thread;
@@ -2661,7 +2662,6 @@
thread = p->iothread;
p->iothread = NULL;
-
/* Free all work in the list */
list_for_each_entry_safe(work, tmp, &p->work_list, list) {
list_del_init(&work->list);
@@ -2673,20 +2673,6 @@
if (thread)
kthread_stop(thread);
-}
-
-
-static int bnx2fc_cpu_online(unsigned int cpu)
-{
- printk(PFX "CPU %x online: Create Rx thread\n", cpu);
- bnx2fc_percpu_thread_create(cpu);
- return 0;
-}
-
-static int bnx2fc_cpu_dead(unsigned int cpu)
-{
- printk(PFX "CPU %x offline: Remove Rx thread\n", cpu);
- bnx2fc_percpu_thread_destroy(cpu);
return 0;
}
@@ -2761,30 +2747,16 @@
spin_lock_init(&p->fp_work_lock);
}
- get_online_cpus();
-
- for_each_online_cpu(cpu)
- bnx2fc_percpu_thread_create(cpu);
-
- rc = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
- "scsi/bnx2fc:online",
- bnx2fc_cpu_online, NULL);
+ rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2fc:online",
+ bnx2fc_cpu_online, bnx2fc_cpu_offline);
if (rc < 0)
- goto stop_threads;
+ goto stop_thread;
bnx2fc_online_state = rc;
- cpuhp_setup_state_nocalls(CPUHP_SCSI_BNX2FC_DEAD, "scsi/bnx2fc:dead",
- NULL, bnx2fc_cpu_dead);
- put_online_cpus();
-
cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb);
-
return 0;
-stop_threads:
- for_each_online_cpu(cpu)
- bnx2fc_percpu_thread_destroy(cpu);
- put_online_cpus();
+stop_thread:
kthread_stop(l2_thread);
free_wq:
destroy_workqueue(bnx2fc_wq);
@@ -2803,7 +2775,6 @@
struct fcoe_percpu_s *bg;
struct task_struct *l2_thread;
struct sk_buff *skb;
- unsigned int cpu = 0;
/*
* NOTE: Since cnic calls register_driver routine rtnl_lock,
@@ -2844,16 +2815,7 @@
if (l2_thread)
kthread_stop(l2_thread);
- get_online_cpus();
- /* Destroy per cpu threads */
- for_each_online_cpu(cpu) {
- bnx2fc_percpu_thread_destroy(cpu);
- }
-
- cpuhp_remove_state_nocalls(bnx2fc_online_state);
- cpuhp_remove_state_nocalls(CPUHP_SCSI_BNX2FC_DEAD);
-
- put_online_cpus();
+ cpuhp_remove_state(bnx2fc_online_state);
destroy_workqueue(bnx2fc_wq);
/*
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index 913c750..26de61d 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
@@ -1008,6 +1008,28 @@
return work;
}
+/* Pending work request completion */
+static void bnx2fc_pending_work(struct bnx2fc_rport *tgt, unsigned int wqe)
+{
+ unsigned int cpu = wqe % num_possible_cpus();
+ struct bnx2fc_percpu_s *fps;
+ struct bnx2fc_work *work;
+
+ fps = &per_cpu(bnx2fc_percpu, cpu);
+ spin_lock_bh(&fps->fp_work_lock);
+ if (fps->iothread) {
+ work = bnx2fc_alloc_work(tgt, wqe);
+ if (work) {
+ list_add_tail(&work->list, &fps->work_list);
+ wake_up_process(fps->iothread);
+ spin_unlock_bh(&fps->fp_work_lock);
+ return;
+ }
+ }
+ spin_unlock_bh(&fps->fp_work_lock);
+ bnx2fc_process_cq_compl(tgt, wqe);
+}
+
int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt)
{
struct fcoe_cqe *cq;
@@ -1042,28 +1064,7 @@
/* Unsolicited event notification */
bnx2fc_process_unsol_compl(tgt, wqe);
} else {
- /* Pending work request completion */
- struct bnx2fc_work *work = NULL;
- struct bnx2fc_percpu_s *fps = NULL;
- unsigned int cpu = wqe % num_possible_cpus();
-
- fps = &per_cpu(bnx2fc_percpu, cpu);
- spin_lock_bh(&fps->fp_work_lock);
- if (unlikely(!fps->iothread))
- goto unlock;
-
- work = bnx2fc_alloc_work(tgt, wqe);
- if (work)
- list_add_tail(&work->list,
- &fps->work_list);
-unlock:
- spin_unlock_bh(&fps->fp_work_lock);
-
- /* Pending work request completion */
- if (fps->iothread && work)
- wake_up_process(fps->iothread);
- else
- bnx2fc_process_cq_compl(tgt, wqe);
+ bnx2fc_pending_work(tgt, wqe);
num_free_sqes++;
}
cqe++;
diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index 86afc00..4ebcda8 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -404,12 +404,11 @@
/**
- * bnx2i_percpu_thread_create - Create a receive thread for an
- * online CPU
+ * bnx2i_cpu_online - Create a receive thread for an online CPU
*
* @cpu: cpu index for the online cpu
*/
-static void bnx2i_percpu_thread_create(unsigned int cpu)
+static int bnx2i_cpu_online(unsigned int cpu)
{
struct bnx2i_percpu_s *p;
struct task_struct *thread;
@@ -419,16 +418,17 @@
thread = kthread_create_on_node(bnx2i_percpu_io_thread, (void *)p,
cpu_to_node(cpu),
"bnx2i_thread/%d", cpu);
+ if (IS_ERR(thread))
+ return PTR_ERR(thread);
+
/* bind thread to the cpu */
- if (likely(!IS_ERR(thread))) {
- kthread_bind(thread, cpu);
- p->iothread = thread;
- wake_up_process(thread);
- }
+ kthread_bind(thread, cpu);
+ p->iothread = thread;
+ wake_up_process(thread);
+ return 0;
}
-
-static void bnx2i_percpu_thread_destroy(unsigned int cpu)
+static int bnx2i_cpu_offline(unsigned int cpu)
{
struct bnx2i_percpu_s *p;
struct task_struct *thread;
@@ -451,19 +451,6 @@
spin_unlock_bh(&p->p_work_lock);
if (thread)
kthread_stop(thread);
-}
-
-static int bnx2i_cpu_online(unsigned int cpu)
-{
- pr_info("bnx2i: CPU %x online: Create Rx thread\n", cpu);
- bnx2i_percpu_thread_create(cpu);
- return 0;
-}
-
-static int bnx2i_cpu_dead(unsigned int cpu)
-{
- pr_info("CPU %x offline: Remove Rx thread\n", cpu);
- bnx2i_percpu_thread_destroy(cpu);
return 0;
}
@@ -511,27 +498,14 @@
p->iothread = NULL;
}
- get_online_cpus();
-
- for_each_online_cpu(cpu)
- bnx2i_percpu_thread_create(cpu);
-
- err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
- "scsi/bnx2i:online",
- bnx2i_cpu_online, NULL);
+ err = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2i:online",
+ bnx2i_cpu_online, bnx2i_cpu_offline);
if (err < 0)
- goto remove_threads;
+ goto unreg_driver;
bnx2i_online_state = err;
-
- cpuhp_setup_state_nocalls(CPUHP_SCSI_BNX2I_DEAD, "scsi/bnx2i:dead",
- NULL, bnx2i_cpu_dead);
- put_online_cpus();
return 0;
-remove_threads:
- for_each_online_cpu(cpu)
- bnx2i_percpu_thread_destroy(cpu);
- put_online_cpus();
+unreg_driver:
cnic_unregister_driver(CNIC_ULP_ISCSI);
unreg_xport:
iscsi_unregister_transport(&bnx2i_iscsi_transport);
@@ -551,7 +525,6 @@
static void __exit bnx2i_mod_exit(void)
{
struct bnx2i_hba *hba;
- unsigned cpu = 0;
mutex_lock(&bnx2i_dev_lock);
while (!list_empty(&adapter_list)) {
@@ -569,14 +542,7 @@
}
mutex_unlock(&bnx2i_dev_lock);
- get_online_cpus();
-
- for_each_online_cpu(cpu)
- bnx2i_percpu_thread_destroy(cpu);
-
- cpuhp_remove_state_nocalls(bnx2i_online_state);
- cpuhp_remove_state_nocalls(CPUHP_SCSI_BNX2I_DEAD);
- put_online_cpus();
+ cpuhp_remove_state(bnx2i_online_state);
iscsi_unregister_transport(&bnx2i_iscsi_transport);
cnic_unregister_driver(CNIC_ULP_ISCSI);
diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c
index 2029ad2..5be0086 100644
--- a/drivers/scsi/csiostor/csio_hw.c
+++ b/drivers/scsi/csiostor/csio_hw.c
@@ -3845,8 +3845,10 @@
if (csio_is_hw_ready(hw))
return 0;
- else
+ else if (csio_match_state(hw, csio_hws_uninit))
return -EINVAL;
+ else
+ return -ENODEV;
}
int
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index ea0c310..dcd0741 100644
--- a/drivers/scsi/csiostor/csio_init.c
+++ b/drivers/scsi/csiostor/csio_init.c
@@ -969,10 +969,14 @@
pci_set_drvdata(pdev, hw);
- if (csio_hw_start(hw) != 0) {
- dev_err(&pdev->dev,
- "Failed to start FW, continuing in debug mode.\n");
- return 0;
+ rv = csio_hw_start(hw);
+ if (rv) {
+ if (rv == -EINVAL) {
+ dev_err(&pdev->dev,
+ "Failed to start FW, continuing in debug mode.\n");
+ return 0;
+ }
+ goto err_lnode_exit;
}
sprintf(hw->fwrev_str, "%u.%u.%u.%u\n",
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index a69a9ac..1d02cf9 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -1635,6 +1635,9 @@
goto rel_resource;
}
+ if (!(n->nud_state & NUD_VALID))
+ neigh_event_send(n, NULL);
+
csk->atid = cxgb4_alloc_atid(lldi->tids, csk);
if (csk->atid < 0) {
pr_err("%s, NO atid available.\n", ndev->name);
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index e4c83b7..1a4cfa5 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -2128,6 +2128,13 @@
struct iscsi_tcp_task *tcp_task = task->dd_data;
struct cxgbi_task_data *tdata = iscsi_task_cxgbi_data(task);
+ if (!tcp_task || !tdata || (tcp_task->dd_data != tdata)) {
+ pr_info("task 0x%p,0x%p, tcp_task 0x%p, tdata 0x%p/0x%p.\n",
+ task, task->sc, tcp_task,
+ tcp_task ? tcp_task->dd_data : NULL, tdata);
+ return;
+ }
+
log_debug(1 << CXGBI_DBG_ISCSI,
"task 0x%p, skb 0x%p, itt 0x%x.\n",
task, tdata->skb, task->hdr_itt);
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 077f62e..6a4367c 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -3401,9 +3401,10 @@
if (is_write) {
req_flags |= SISL_REQ_FLAGS_HOST_WRITE;
- rc = copy_from_user(kbuf, ubuf, ulen);
- if (unlikely(rc))
+ if (copy_from_user(kbuf, ubuf, ulen)) {
+ rc = -EFAULT;
goto out;
+ }
}
}
@@ -3431,8 +3432,10 @@
goto out;
}
- if (ulen && !is_write)
- rc = copy_to_user(ubuf, kbuf, ulen);
+ if (ulen && !is_write) {
+ if (copy_to_user(ubuf, kbuf, ulen))
+ rc = -EFAULT;
+ }
out:
kfree(buf);
dev_dbg(dev, "%s: returning rc=%d\n", __func__, rc);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 551d103..2bfea70 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -1693,7 +1693,7 @@
static int parse_trans_tx_err_code_v2_hw(u32 err_msk)
{
- const u8 trans_tx_err_code_prio[] = {
+ static const u8 trans_tx_err_code_prio[] = {
TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS,
TRANS_TX_ERR_PHY_NOT_ENABLE,
TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION,
@@ -1738,7 +1738,7 @@
static int parse_trans_rx_err_code_v2_hw(u32 err_msk)
{
- const u8 trans_rx_err_code_prio[] = {
+ static const u8 trans_rx_err_code_prio[] = {
TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR,
TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR,
TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM,
@@ -1784,7 +1784,7 @@
static int parse_dma_tx_err_code_v2_hw(u32 err_msk)
{
- const u8 dma_tx_err_code_prio[] = {
+ static const u8 dma_tx_err_code_prio[] = {
DMA_TX_UNEXP_XFER_ERR,
DMA_TX_UNEXP_RETRANS_ERR,
DMA_TX_XFER_LEN_OVERFLOW,
@@ -1810,7 +1810,7 @@
static int parse_sipc_rx_err_code_v2_hw(u32 err_msk)
{
- const u8 sipc_rx_err_code_prio[] = {
+ static const u8 sipc_rx_err_code_prio[] = {
SIPC_RX_FIS_STATUS_ERR_BIT_VLD,
SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR,
SIPC_RX_FIS_STATUS_BSY_BIT_ERR,
@@ -1836,7 +1836,7 @@
static int parse_dma_rx_err_code_v2_hw(u32 err_msk)
{
- const u8 dma_rx_err_code_prio[] = {
+ static const u8 dma_rx_err_code_prio[] = {
DMA_RX_UNKNOWN_FRM_ERR,
DMA_RX_DATA_LEN_OVERFLOW,
DMA_RX_DATA_LEN_UNDERFLOW,
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 8914eab..4f7cdb2 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -938,7 +938,7 @@
#endif
.sdev_attrs = hpsa_sdev_attrs,
.shost_attrs = hpsa_shost_attrs,
- .max_sectors = 8192,
+ .max_sectors = 1024,
.no_write_same = 1,
};
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index b0c68d2..f838bd7 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3351,6 +3351,16 @@
return;
}
+ if (ioa_cfg->scsi_unblock) {
+ ioa_cfg->scsi_unblock = 0;
+ ioa_cfg->scsi_blocked = 0;
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+ scsi_unblock_requests(ioa_cfg->host);
+ spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+ if (ioa_cfg->scsi_blocked)
+ scsi_block_requests(ioa_cfg->host);
+ }
+
if (!ioa_cfg->scan_enabled) {
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return;
@@ -4935,6 +4945,7 @@
}
if (ipr_is_vset_device(res)) {
sdev->scsi_level = SCSI_SPC_3;
+ sdev->no_report_opcodes = 1;
blk_queue_rq_timeout(sdev->request_queue,
IPR_VSET_RW_TIMEOUT);
blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS);
@@ -7211,9 +7222,8 @@
ENTER;
if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) {
ipr_trace;
- spin_unlock_irq(ioa_cfg->host->host_lock);
- scsi_unblock_requests(ioa_cfg->host);
- spin_lock_irq(ioa_cfg->host->host_lock);
+ ioa_cfg->scsi_unblock = 1;
+ schedule_work(&ioa_cfg->work_q);
}
ioa_cfg->in_reset_reload = 0;
@@ -7287,13 +7297,7 @@
list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
wake_up_all(&ioa_cfg->reset_wait_q);
- spin_unlock(ioa_cfg->host->host_lock);
- scsi_unblock_requests(ioa_cfg->host);
- spin_lock(ioa_cfg->host->host_lock);
-
- if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds)
- scsi_block_requests(ioa_cfg->host);
-
+ ioa_cfg->scsi_unblock = 1;
schedule_work(&ioa_cfg->work_q);
LEAVE;
return IPR_RC_JOB_RETURN;
@@ -9249,8 +9253,11 @@
spin_unlock(&ioa_cfg->hrrq[i]._lock);
}
wmb();
- if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa)
+ if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) {
+ ioa_cfg->scsi_unblock = 0;
+ ioa_cfg->scsi_blocked = 1;
scsi_block_requests(ioa_cfg->host);
+ }
ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
ioa_cfg->reset_cmd = ipr_cmd;
@@ -9306,9 +9313,8 @@
wake_up_all(&ioa_cfg->reset_wait_q);
if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) {
- spin_unlock_irq(ioa_cfg->host->host_lock);
- scsi_unblock_requests(ioa_cfg->host);
- spin_lock_irq(ioa_cfg->host->host_lock);
+ ioa_cfg->scsi_unblock = 1;
+ schedule_work(&ioa_cfg->work_q);
}
return;
} else {
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index e98a87a..c7f0e9e 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1488,6 +1488,8 @@
u8 cfg_locked:1;
u8 clear_isr:1;
u8 probe_done:1;
+ u8 scsi_unblock:1;
+ u8 scsi_blocked:1;
u8 revid;
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 47f66e9..ed197bc 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -213,7 +213,7 @@
* @task_context:
*
*/
-static void scu_ssp_reqeust_construct_task_context(
+static void scu_ssp_request_construct_task_context(
struct isci_request *ireq,
struct scu_task_context *task_context)
{
@@ -425,7 +425,7 @@
u8 prot_type = scsi_get_prot_type(scmd);
u8 prot_op = scsi_get_prot_op(scmd);
- scu_ssp_reqeust_construct_task_context(ireq, task_context);
+ scu_ssp_request_construct_task_context(ireq, task_context);
task_context->ssp_command_iu_length =
sizeof(struct ssp_cmd_iu) / sizeof(u32);
@@ -472,7 +472,7 @@
{
struct scu_task_context *task_context = ireq->tc;
- scu_ssp_reqeust_construct_task_context(ireq, task_context);
+ scu_ssp_request_construct_task_context(ireq, task_context);
task_context->control_frame = 1;
task_context->priority = SCU_TASK_PRIORITY_HIGH;
@@ -495,7 +495,7 @@
* the command buffer is complete. none Revisit task context construction to
* determine what is common for SSP/SMP/STP task context structures.
*/
-static void scu_sata_reqeust_construct_task_context(
+static void scu_sata_request_construct_task_context(
struct isci_request *ireq,
struct scu_task_context *task_context)
{
@@ -562,7 +562,7 @@
{
struct scu_task_context *task_context = ireq->tc;
- scu_sata_reqeust_construct_task_context(ireq, task_context);
+ scu_sata_request_construct_task_context(ireq, task_context);
task_context->control_frame = 0;
task_context->priority = SCU_TASK_PRIORITY_NORMAL;
@@ -613,7 +613,7 @@
struct scu_task_context *task_context = ireq->tc;
/* Build the STP task context structure */
- scu_sata_reqeust_construct_task_context(ireq, task_context);
+ scu_sata_request_construct_task_context(ireq, task_context);
/* Copy over the SGL elements */
sci_request_build_sgl(ireq);
@@ -1401,7 +1401,7 @@
* @data_buffer: The buffer of data to be copied.
* @length: The length of the data transfer.
*
- * Copy the data from the buffer for the length specified to the IO reqeust SGL
+ * Copy the data from the buffer for the length specified to the IO request SGL
* specified data region. enum sci_status
*/
static enum sci_status
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index fd501f8..8660f92 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -573,7 +573,7 @@
event = DISC_EV_FAILED;
}
if (error)
- fc_disc_error(disc, fp);
+ fc_disc_error(disc, ERR_PTR(error));
else if (event != DISC_EV_NONE)
fc_disc_done(disc, event);
fc_frame_free(fp);
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 4ed48ed..7ee1a94 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -205,8 +205,10 @@
atomic_read(&tgtp->xmt_ls_rsp_error));
len += snprintf(buf+len, PAGE_SIZE-len,
- "FCP: Rcv %08x Release %08x Drop %08x\n",
+ "FCP: Rcv %08x Defer %08x Release %08x "
+ "Drop %08x\n",
atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_defer),
atomic_read(&tgtp->xmt_fcp_release),
atomic_read(&tgtp->rcv_fcp_cmd_drop));
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 5cc8b0f..744f3f3 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -782,8 +782,11 @@
atomic_read(&tgtp->xmt_ls_rsp_error));
len += snprintf(buf + len, size - len,
- "FCP: Rcv %08x Drop %08x\n",
+ "FCP: Rcv %08x Defer %08x Release %08x "
+ "Drop %08x\n",
atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_defer),
+ atomic_read(&tgtp->xmt_fcp_release),
atomic_read(&tgtp->rcv_fcp_cmd_drop));
if (atomic_read(&tgtp->rcv_fcp_cmd_in) !=
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index fbeec34..bbbd0f8 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -841,12 +841,31 @@
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
}
+static void
+lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_tgt_fcp_req *rsp)
+{
+ struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_rcv_ctx *ctxp =
+ container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
+ struct lpfc_hba *phba = ctxp->phba;
+
+ lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n",
+ ctxp->oxid, ctxp->size, smp_processor_id());
+
+ tgtp = phba->targetport->private;
+ atomic_inc(&tgtp->rcv_fcp_cmd_defer);
+ lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
+}
+
static struct nvmet_fc_target_template lpfc_tgttemplate = {
.targetport_delete = lpfc_nvmet_targetport_delete,
.xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp,
.fcp_op = lpfc_nvmet_xmt_fcp_op,
.fcp_abort = lpfc_nvmet_xmt_fcp_abort,
.fcp_req_release = lpfc_nvmet_xmt_fcp_release,
+ .defer_rcv = lpfc_nvmet_defer_rcv,
.max_hw_queues = 1,
.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,
@@ -1504,6 +1523,17 @@
return;
}
+ /* Processing of FCP command is deferred */
+ if (rc == -EOVERFLOW) {
+ lpfc_nvmeio_data(phba,
+ "NVMET RCV BUSY: xri x%x sz %d from %06x\n",
+ oxid, size, sid);
+ /* defer reposting rcv buffer till .defer_rcv callback */
+ ctxp->rqb_buffer = nvmebuf;
+ atomic_inc(&tgtp->rcv_fcp_cmd_out);
+ return;
+ }
+
atomic_inc(&tgtp->rcv_fcp_cmd_drop);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h
index e675ef1..48a76788 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.h
+++ b/drivers/scsi/lpfc/lpfc_nvmet.h
@@ -49,6 +49,7 @@
atomic_t rcv_fcp_cmd_in;
atomic_t rcv_fcp_cmd_out;
atomic_t rcv_fcp_cmd_drop;
+ atomic_t rcv_fcp_cmd_defer;
atomic_t xmt_fcp_release;
/* Stats counters - lpfc_nvmet_xmt_fcp_op */
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 316c3df..71c4746 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6228,8 +6228,8 @@
fail_start_aen:
fail_io_attach:
megasas_mgmt_info.count--;
- megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
megasas_mgmt_info.max_index--;
+ megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
instance->instancet->disable_intr(instance);
megasas_destroy_irqs(instance);
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f990ab4d..9855106 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -425,7 +425,7 @@
int
megasas_alloc_cmdlist_fusion(struct megasas_instance *instance)
{
- u32 max_mpt_cmd, i;
+ u32 max_mpt_cmd, i, j;
struct fusion_context *fusion;
fusion = instance->ctrl_context;
@@ -450,11 +450,15 @@
fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion),
GFP_KERNEL);
if (!fusion->cmd_list[i]) {
+ for (j = 0; j < i; j++)
+ kfree(fusion->cmd_list[j]);
+ kfree(fusion->cmd_list);
dev_err(&instance->pdev->dev,
"Failed from %s %d\n", __func__, __LINE__);
return -ENOMEM;
}
}
+
return 0;
}
int
diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h
index 4d038926..351f06d 100644
--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -528,7 +528,8 @@
#define QEDF_WRITE (1 << 0)
#define MAX_FIBRE_LUNS 0xffffffff
-#define QEDF_MAX_NUM_CQS 8
+#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \
+ num_online_cpus())
/*
* PCI function probe defines
diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c
index eb07f1d..59c18ca 100644
--- a/drivers/scsi/qedf/qedf_els.c
+++ b/drivers/scsi/qedf/qedf_els.c
@@ -489,7 +489,7 @@
/* If a SRR times out, simply free resources */
if (srr_req->event == QEDF_IOREQ_EV_ELS_TMO)
- goto out_free;
+ goto out_put;
/* Normalize response data into struct fc_frame */
mp_req = &(srr_req->mp_req);
@@ -501,7 +501,7 @@
if (!fp) {
QEDF_ERR(&(qedf->dbg_ctx),
"fc_frame_alloc failure.\n");
- goto out_free;
+ goto out_put;
}
/* Copy frame header from firmware into fp */
@@ -526,9 +526,10 @@
}
fc_frame_free(fp);
-out_free:
+out_put:
/* Put reference for original command since SRR completed */
kref_put(&orig_io_req->refcount, qedf_release_cmd);
+out_free:
kfree(cb_arg);
}
@@ -780,7 +781,7 @@
/* If a REC times out, free resources */
if (rec_req->event == QEDF_IOREQ_EV_ELS_TMO)
- goto out_free;
+ goto out_put;
/* Normalize response data into struct fc_frame */
mp_req = &(rec_req->mp_req);
@@ -792,7 +793,7 @@
if (!fp) {
QEDF_ERR(&(qedf->dbg_ctx),
"fc_frame_alloc failure.\n");
- goto out_free;
+ goto out_put;
}
/* Copy frame header from firmware into fp */
@@ -884,9 +885,10 @@
out_free_frame:
fc_frame_free(fp);
-out_free:
+out_put:
/* Put reference for original command since REC completed */
kref_put(&orig_io_req->refcount, qedf_release_cmd);
+out_free:
kfree(cb_arg);
}
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index b58bba4..1d13c9c 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -1227,7 +1227,7 @@
if (rdata->spp_type != FC_TYPE_FCP) {
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
- "Not offlading since since spp type isn't FCP\n");
+ "Not offloading since spp type isn't FCP\n");
break;
}
if (!(rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET)) {
@@ -2760,11 +2760,9 @@
* we allocation is the minimum off:
*
* Number of CPUs
- * Number of MSI-X vectors
- * Max number allocated in hardware (QEDF_MAX_NUM_CQS)
+ * Number allocated by qed for our PCI function
*/
- qedf->num_queues = min((unsigned int)QEDF_MAX_NUM_CQS,
- num_online_cpus());
+ qedf->num_queues = MIN_NUM_CPUS_MSIX(qedf);
QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Number of CQs is %d.\n",
qedf->num_queues);
@@ -2962,6 +2960,13 @@
goto err1;
}
+ /* Learn information crucial for qedf to progress */
+ rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info);
+ if (rc) {
+ QEDF_ERR(&(qedf->dbg_ctx), "Failed to dev info.\n");
+ goto err1;
+ }
+
/* queue allocation code should come here
* order should be
* slowpath_start
@@ -2977,13 +2982,6 @@
}
qed_ops->common->update_pf_params(qedf->cdev, &qedf->pf_params);
- /* Learn information crucial for qedf to progress */
- rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info);
- if (rc) {
- QEDF_ERR(&(qedf->dbg_ctx), "Failed to dev info.\n");
- goto err1;
- }
-
/* Record BDQ producer doorbell addresses */
qedf->bdq_primary_prod = qedf->dev_info.primary_dbq_rq_addr;
qedf->bdq_secondary_prod = qedf->dev_info.secondary_bdq_rq_addr;
diff --git a/drivers/scsi/qedi/Kconfig b/drivers/scsi/qedi/Kconfig
index 2133145..2ff753c 100644
--- a/drivers/scsi/qedi/Kconfig
+++ b/drivers/scsi/qedi/Kconfig
@@ -5,6 +5,7 @@
select SCSI_ISCSI_ATTRS
select QED_LL2
select QED_ISCSI
+ select ISCSI_BOOT_SYSFS
---help---
This driver supports iSCSI offload for the QLogic FastLinQ
41000 Series Converged Network Adapters.
diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
index 32632c9..91d2f51 100644
--- a/drivers/scsi/qedi/qedi.h
+++ b/drivers/scsi/qedi/qedi.h
@@ -23,11 +23,17 @@
#include <linux/qed/qed_iscsi_if.h>
#include <linux/qed/qed_ll2_if.h>
#include "qedi_version.h"
+#include "qedi_nvm_iscsi_cfg.h"
#define QEDI_MODULE_NAME "qedi"
struct qedi_endpoint;
+#ifndef GET_FIELD2
+#define GET_FIELD2(value, name) \
+ (((value) & (name ## _MASK)) >> (name ## _OFFSET))
+#endif
+
/*
* PCI function probe defines
*/
@@ -66,6 +72,11 @@
#define QEDI_HW_DMA_BOUNDARY 0xfff
#define QEDI_PATH_HANDLE 0xFE0000000UL
+enum qedi_nvm_tgts {
+ QEDI_NVM_TGT_PRI,
+ QEDI_NVM_TGT_SEC,
+};
+
struct qedi_uio_ctrl {
/* meta data */
u32 uio_hsi_version;
@@ -283,6 +294,8 @@
void *bdq_pbl_list;
dma_addr_t bdq_pbl_list_dma;
u8 bdq_pbl_list_num_entries;
+ struct nvm_iscsi_cfg *iscsi_cfg;
+ dma_addr_t nvm_buf_dma;
void __iomem *bdq_primary_prod;
void __iomem *bdq_secondary_prod;
u16 bdq_prod_idx;
@@ -337,6 +350,10 @@
bool use_fast_sge;
atomic_t num_offloads;
+#define SYSFS_FLAG_FW_SEL_BOOT 2
+#define IPV6_LEN 41
+#define IPV4_LEN 17
+ struct iscsi_boot_kset *boot_kset;
};
struct qedi_work {
diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index 19254bd..93d54ac 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -1411,7 +1411,7 @@
list_work = kzalloc(sizeof(*list_work), GFP_ATOMIC);
if (!list_work) {
- QEDI_ERR(&qedi->dbg_ctx, "Memory alloction failed\n");
+ QEDI_ERR(&qedi->dbg_ctx, "Memory allocation failed\n");
goto abort_ret;
}
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 80edd28..37da9a8 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -824,7 +824,7 @@
u32 iscsi_cid = QEDI_CID_RESERVED;
u16 len = 0;
char *buf = NULL;
- int ret;
+ int ret, tmp;
if (!shost) {
ret = -ENXIO;
@@ -940,10 +940,10 @@
ep_rel_conn:
qedi->ep_tbl[iscsi_cid] = NULL;
- ret = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle);
- if (ret)
+ tmp = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle);
+ if (tmp)
QEDI_WARN(&qedi->dbg_ctx, "release_conn returned %d\n",
- ret);
+ tmp);
ep_free_sq:
qedi_free_sq(qedi, qedi_ep);
ep_conn_exit:
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 5f5a4ef..2c37836 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -19,6 +19,7 @@
#include <linux/mm.h>
#include <linux/if_vlan.h>
#include <linux/cpu.h>
+#include <linux/iscsi_boot_sysfs.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
@@ -1143,6 +1144,30 @@
return rc;
}
+static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi)
+{
+ if (qedi->iscsi_cfg)
+ dma_free_coherent(&qedi->pdev->dev,
+ sizeof(struct nvm_iscsi_cfg),
+ qedi->iscsi_cfg, qedi->nvm_buf_dma);
+}
+
+static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi)
+{
+ qedi->iscsi_cfg = dma_zalloc_coherent(&qedi->pdev->dev,
+ sizeof(struct nvm_iscsi_cfg),
+ &qedi->nvm_buf_dma, GFP_KERNEL);
+ if (!qedi->iscsi_cfg) {
+ QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n");
+ return -ENOMEM;
+ }
+ QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
+ "NVM BUF addr=0x%p dma=0x%llx.\n", qedi->iscsi_cfg,
+ qedi->nvm_buf_dma);
+
+ return 0;
+}
+
static void qedi_free_bdq(struct qedi_ctx *qedi)
{
int i;
@@ -1183,6 +1208,7 @@
kfree(gl[i]);
}
qedi_free_bdq(qedi);
+ qedi_free_nvm_iscsi_cfg(qedi);
}
static int qedi_alloc_bdq(struct qedi_ctx *qedi)
@@ -1309,6 +1335,11 @@
if (rc)
goto mem_alloc_failure;
+ /* Allocate DMA coherent buffers for NVM_ISCSI_CFG */
+ rc = qedi_alloc_nvm_iscsi_cfg(qedi);
+ if (rc)
+ goto mem_alloc_failure;
+
/* Allocate a CQ and an associated PBL for each MSI-X
* vector.
*/
@@ -1671,6 +1702,387 @@
qedi_ops->ll2->start(qedi->cdev, ¶ms);
}
+/**
+ * qedi_get_nvram_block: - Scan through the iSCSI NVRAM block (while accounting
+ * for gaps) for the matching absolute-pf-id of the QEDI device.
+ */
+static struct nvm_iscsi_block *
+qedi_get_nvram_block(struct qedi_ctx *qedi)
+{
+ int i;
+ u8 pf;
+ u32 flags;
+ struct nvm_iscsi_block *block;
+
+ pf = qedi->dev_info.common.abs_pf_id;
+ block = &qedi->iscsi_cfg->block[0];
+ for (i = 0; i < NUM_OF_ISCSI_PF_SUPPORTED; i++, block++) {
+ flags = ((block->id) & NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK) >>
+ NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET;
+ if (flags & (NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY |
+ NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED) &&
+ (pf == (block->id & NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK)
+ >> NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET))
+ return block;
+ }
+ return NULL;
+}
+
+static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf)
+{
+ struct qedi_ctx *qedi = data;
+ struct nvm_iscsi_initiator *initiator;
+ char *str = buf;
+ int rc = 1;
+ u32 ipv6_en, dhcp_en, ip_len;
+ struct nvm_iscsi_block *block;
+ char *fmt, *ip, *sub, *gw;
+
+ block = qedi_get_nvram_block(qedi);
+ if (!block)
+ return 0;
+
+ initiator = &block->initiator;
+ ipv6_en = block->generic.ctrl_flags &
+ NVM_ISCSI_CFG_GEN_IPV6_ENABLED;
+ dhcp_en = block->generic.ctrl_flags &
+ NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED;
+ /* Static IP assignments. */
+ fmt = ipv6_en ? "%pI6\n" : "%pI4\n";
+ ip = ipv6_en ? initiator->ipv6.addr.byte : initiator->ipv4.addr.byte;
+ ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN;
+ sub = ipv6_en ? initiator->ipv6.subnet_mask.byte :
+ initiator->ipv4.subnet_mask.byte;
+ gw = ipv6_en ? initiator->ipv6.gateway.byte :
+ initiator->ipv4.gateway.byte;
+ /* DHCP IP adjustments. */
+ fmt = dhcp_en ? "%s\n" : fmt;
+ if (dhcp_en) {
+ ip = ipv6_en ? "0::0" : "0.0.0.0";
+ sub = ip;
+ gw = ip;
+ ip_len = ipv6_en ? 5 : 8;
+ }
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_IP_ADDR:
+ rc = snprintf(str, ip_len, fmt, ip);
+ break;
+ case ISCSI_BOOT_ETH_SUBNET_MASK:
+ rc = snprintf(str, ip_len, fmt, sub);
+ break;
+ case ISCSI_BOOT_ETH_GATEWAY:
+ rc = snprintf(str, ip_len, fmt, gw);
+ break;
+ case ISCSI_BOOT_ETH_FLAGS:
+ rc = snprintf(str, 3, "%hhd\n",
+ SYSFS_FLAG_FW_SEL_BOOT);
+ break;
+ case ISCSI_BOOT_ETH_INDEX:
+ rc = snprintf(str, 3, "0\n");
+ break;
+ case ISCSI_BOOT_ETH_MAC:
+ rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN);
+ break;
+ case ISCSI_BOOT_ETH_VLAN:
+ rc = snprintf(str, 12, "%d\n",
+ GET_FIELD2(initiator->generic_cont0,
+ NVM_ISCSI_CFG_INITIATOR_VLAN));
+ break;
+ case ISCSI_BOOT_ETH_ORIGIN:
+ if (dhcp_en)
+ rc = snprintf(str, 3, "3\n");
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+
+ return rc;
+}
+
+static umode_t qedi_eth_get_attr_visibility(void *data, int type)
+{
+ int rc = 1;
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_FLAGS:
+ case ISCSI_BOOT_ETH_MAC:
+ case ISCSI_BOOT_ETH_INDEX:
+ case ISCSI_BOOT_ETH_IP_ADDR:
+ case ISCSI_BOOT_ETH_SUBNET_MASK:
+ case ISCSI_BOOT_ETH_GATEWAY:
+ case ISCSI_BOOT_ETH_ORIGIN:
+ case ISCSI_BOOT_ETH_VLAN:
+ rc = 0444;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf)
+{
+ struct qedi_ctx *qedi = data;
+ struct nvm_iscsi_initiator *initiator;
+ char *str = buf;
+ int rc;
+ struct nvm_iscsi_block *block;
+
+ block = qedi_get_nvram_block(qedi);
+ if (!block)
+ return 0;
+
+ initiator = &block->initiator;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n",
+ initiator->initiator_name.byte);
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static umode_t qedi_ini_get_attr_visibility(void *data, int type)
+{
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = 0444;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static ssize_t
+qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type,
+ char *buf, enum qedi_nvm_tgts idx)
+{
+ char *str = buf;
+ int rc = 1;
+ u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len;
+ struct nvm_iscsi_block *block;
+ char *chap_name, *chap_secret;
+ char *mchap_name, *mchap_secret;
+
+ block = qedi_get_nvram_block(qedi);
+ if (!block)
+ goto exit_show_tgt_info;
+
+ QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT,
+ "Port:%d, tgt_idx:%d\n",
+ GET_FIELD2(block->id, NVM_ISCSI_CFG_BLK_MAPPED_PF_ID), idx);
+
+ ctrl_flags = block->target[idx].ctrl_flags &
+ NVM_ISCSI_CFG_TARGET_ENABLED;
+
+ if (!ctrl_flags) {
+ QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT,
+ "Target disabled\n");
+ goto exit_show_tgt_info;
+ }
+
+ ipv6_en = block->generic.ctrl_flags &
+ NVM_ISCSI_CFG_GEN_IPV6_ENABLED;
+ ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN;
+ chap_en = block->generic.ctrl_flags &
+ NVM_ISCSI_CFG_GEN_CHAP_ENABLED;
+ chap_name = chap_en ? block->initiator.chap_name.byte : NULL;
+ chap_secret = chap_en ? block->initiator.chap_password.byte : NULL;
+
+ mchap_en = block->generic.ctrl_flags &
+ NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED;
+ mchap_name = mchap_en ? block->target[idx].chap_name.byte : NULL;
+ mchap_secret = mchap_en ? block->target[idx].chap_password.byte : NULL;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n",
+ block->target[idx].target_name.byte);
+ break;
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ if (ipv6_en)
+ rc = snprintf(str, ip_len, "%pI6\n",
+ block->target[idx].ipv6_addr.byte);
+ else
+ rc = snprintf(str, ip_len, "%pI4\n",
+ block->target[idx].ipv4_addr.byte);
+ break;
+ case ISCSI_BOOT_TGT_PORT:
+ rc = snprintf(str, 12, "%d\n",
+ GET_FIELD2(block->target[idx].generic_cont0,
+ NVM_ISCSI_CFG_TARGET_TCP_PORT));
+ break;
+ case ISCSI_BOOT_TGT_LUN:
+ rc = snprintf(str, 22, "%.*d\n",
+ block->target[idx].lun.value[1],
+ block->target[idx].lun.value[0]);
+ break;
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n",
+ chap_name);
+ break;
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n",
+ chap_secret);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n",
+ mchap_name);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n",
+ mchap_secret);
+ break;
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT);
+ break;
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ rc = snprintf(str, 3, "0\n");
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+
+exit_show_tgt_info:
+ return rc;
+}
+
+static ssize_t qedi_show_boot_tgt_pri_info(void *data, int type, char *buf)
+{
+ struct qedi_ctx *qedi = data;
+
+ return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_PRI);
+}
+
+static ssize_t qedi_show_boot_tgt_sec_info(void *data, int type, char *buf)
+{
+ struct qedi_ctx *qedi = data;
+
+ return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_SEC);
+}
+
+static umode_t qedi_tgt_get_attr_visibility(void *data, int type)
+{
+ int rc;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ case ISCSI_BOOT_TGT_PORT:
+ case ISCSI_BOOT_TGT_LUN:
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = 0444;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+ return rc;
+}
+
+static void qedi_boot_release(void *data)
+{
+ struct qedi_ctx *qedi = data;
+
+ scsi_host_put(qedi->shost);
+}
+
+static int qedi_get_boot_info(struct qedi_ctx *qedi)
+{
+ int ret = 1;
+ u16 len;
+
+ len = sizeof(struct nvm_iscsi_cfg);
+
+ QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
+ "Get NVM iSCSI CFG image\n");
+ ret = qedi_ops->common->nvm_get_image(qedi->cdev,
+ QED_NVM_IMAGE_ISCSI_CFG,
+ (char *)qedi->iscsi_cfg, len);
+ if (ret)
+ QEDI_ERR(&qedi->dbg_ctx,
+ "Could not get NVM image. ret = %d\n", ret);
+
+ return ret;
+}
+
+static int qedi_setup_boot_info(struct qedi_ctx *qedi)
+{
+ struct iscsi_boot_kobj *boot_kobj;
+
+ if (qedi_get_boot_info(qedi))
+ return -EPERM;
+
+ qedi->boot_kset = iscsi_boot_create_host_kset(qedi->shost->host_no);
+ if (!qedi->boot_kset)
+ goto kset_free;
+
+ if (!scsi_host_get(qedi->shost))
+ goto kset_free;
+
+ boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 0, qedi,
+ qedi_show_boot_tgt_pri_info,
+ qedi_tgt_get_attr_visibility,
+ qedi_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(qedi->shost))
+ goto kset_free;
+
+ boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 1, qedi,
+ qedi_show_boot_tgt_sec_info,
+ qedi_tgt_get_attr_visibility,
+ qedi_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(qedi->shost))
+ goto kset_free;
+
+ boot_kobj = iscsi_boot_create_initiator(qedi->boot_kset, 0, qedi,
+ qedi_show_boot_ini_info,
+ qedi_ini_get_attr_visibility,
+ qedi_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ if (!scsi_host_get(qedi->shost))
+ goto kset_free;
+
+ boot_kobj = iscsi_boot_create_ethernet(qedi->boot_kset, 0, qedi,
+ qedi_show_boot_eth_info,
+ qedi_eth_get_attr_visibility,
+ qedi_boot_release);
+ if (!boot_kobj)
+ goto put_host;
+
+ return 0;
+
+put_host:
+ scsi_host_put(qedi->shost);
+kset_free:
+ iscsi_boot_destroy_kset(qedi->boot_kset);
+ return -ENOMEM;
+}
+
static void __qedi_remove(struct pci_dev *pdev, int mode)
{
struct qedi_ctx *qedi = pci_get_drvdata(pdev);
@@ -1724,6 +2136,9 @@
qedi->ll2_recv_thread = NULL;
}
qedi_ll2_free_skbs(qedi);
+
+ if (qedi->boot_kset)
+ iscsi_boot_destroy_kset(qedi->boot_kset);
}
}
@@ -1967,6 +2382,10 @@
/* F/w needs 1st task context memory entry for performance */
set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map);
atomic_set(&qedi->num_offloads, 0);
+
+ if (qedi_setup_boot_info(qedi))
+ QEDI_ERR(&qedi->dbg_ctx,
+ "No iSCSI boot target configured\n");
}
return 0;
diff --git a/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h
new file mode 100644
index 0000000..df39b69
--- /dev/null
+++ b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h
@@ -0,0 +1,210 @@
+/*
+ * QLogic iSCSI Offload Driver
+ * Copyright (c) 2016 Cavium Inc.
+ *
+ * This software is available under the terms of the GNU General Public License
+ * (GPL) Version 2, available from the file COPYING in the main directory of
+ * this source tree.
+ */
+
+#ifndef NVM_ISCSI_CFG_H
+#define NVM_ISCSI_CFG_H
+
+#define NUM_OF_ISCSI_TARGET_PER_PF 4 /* Defined as per the
+ * ISCSI IBFT constraint
+ */
+#define NUM_OF_ISCSI_PF_SUPPORTED 4 /* One PF per Port -
+ * assuming 4 port card
+ */
+
+#define NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN 256
+
+union nvm_iscsi_dhcp_vendor_id {
+ u32 value[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN / 4];
+ u8 byte[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN];
+};
+
+#define NVM_ISCSI_IPV4_ADDR_BYTE_LEN 4
+union nvm_iscsi_ipv4_addr {
+ u32 addr;
+ u8 byte[NVM_ISCSI_IPV4_ADDR_BYTE_LEN];
+};
+
+#define NVM_ISCSI_IPV6_ADDR_BYTE_LEN 16
+union nvm_iscsi_ipv6_addr {
+ u32 addr[4];
+ u8 byte[NVM_ISCSI_IPV6_ADDR_BYTE_LEN];
+};
+
+struct nvm_iscsi_initiator_ipv4 {
+ union nvm_iscsi_ipv4_addr addr; /* 0x0 */
+ union nvm_iscsi_ipv4_addr subnet_mask; /* 0x4 */
+ union nvm_iscsi_ipv4_addr gateway; /* 0x8 */
+ union nvm_iscsi_ipv4_addr primary_dns; /* 0xC */
+ union nvm_iscsi_ipv4_addr secondary_dns; /* 0x10 */
+ union nvm_iscsi_ipv4_addr dhcp_addr; /* 0x14 */
+
+ union nvm_iscsi_ipv4_addr isns_server; /* 0x18 */
+ union nvm_iscsi_ipv4_addr slp_server; /* 0x1C */
+ union nvm_iscsi_ipv4_addr primay_radius_server; /* 0x20 */
+ union nvm_iscsi_ipv4_addr secondary_radius_server; /* 0x24 */
+
+ union nvm_iscsi_ipv4_addr rsvd[4]; /* 0x28 */
+};
+
+struct nvm_iscsi_initiator_ipv6 {
+ union nvm_iscsi_ipv6_addr addr; /* 0x0 */
+ union nvm_iscsi_ipv6_addr subnet_mask; /* 0x10 */
+ union nvm_iscsi_ipv6_addr gateway; /* 0x20 */
+ union nvm_iscsi_ipv6_addr primary_dns; /* 0x30 */
+ union nvm_iscsi_ipv6_addr secondary_dns; /* 0x40 */
+ union nvm_iscsi_ipv6_addr dhcp_addr; /* 0x50 */
+
+ union nvm_iscsi_ipv6_addr isns_server; /* 0x60 */
+ union nvm_iscsi_ipv6_addr slp_server; /* 0x70 */
+ union nvm_iscsi_ipv6_addr primay_radius_server; /* 0x80 */
+ union nvm_iscsi_ipv6_addr secondary_radius_server; /* 0x90 */
+
+ union nvm_iscsi_ipv6_addr rsvd[3]; /* 0xA0 */
+
+ u32 config; /* 0xD0 */
+#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_MASK 0x000000FF
+#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_OFFSET 0
+
+ u32 rsvd_1[3];
+};
+
+#define NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN 256
+union nvm_iscsi_name {
+ u32 value[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN / 4];
+ u8 byte[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN];
+};
+
+#define NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN 256
+union nvm_iscsi_chap_name {
+ u32 value[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN / 4];
+ u8 byte[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN];
+};
+
+#define NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN 16 /* md5 need per RFC1996
+ * is 16 octets
+ */
+union nvm_iscsi_chap_password {
+ u32 value[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN / 4];
+ u8 byte[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN];
+};
+
+union nvm_iscsi_lun {
+ u8 byte[8];
+ u32 value[2];
+};
+
+struct nvm_iscsi_generic {
+ u32 ctrl_flags; /* 0x0 */
+#define NVM_ISCSI_CFG_GEN_CHAP_ENABLED BIT(0)
+#define NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED BIT(1)
+#define NVM_ISCSI_CFG_GEN_DHCP_ISCSI_CONFIG_ENABLED BIT(2)
+#define NVM_ISCSI_CFG_GEN_IPV6_ENABLED BIT(3)
+#define NVM_ISCSI_CFG_GEN_IPV4_FALLBACK_ENABLED BIT(4)
+#define NVM_ISCSI_CFG_GEN_ISNS_WORLD_LOGIN BIT(5)
+#define NVM_ISCSI_CFG_GEN_ISNS_SELECTIVE_LOGIN BIT(6)
+#define NVM_ISCSI_CFG_GEN_ADDR_REDIRECT_ENABLED BIT(7)
+#define NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED BIT(8)
+
+ u32 timeout; /* 0x4 */
+#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_MASK 0x0000FFFF
+#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_OFFSET 0
+#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_MASK 0xFFFF0000
+#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_OFFSET 16
+
+ union nvm_iscsi_dhcp_vendor_id dhcp_vendor_id; /* 0x8 */
+ u32 rsvd[62]; /* 0x108 */
+};
+
+struct nvm_iscsi_initiator {
+ struct nvm_iscsi_initiator_ipv4 ipv4; /* 0x0 */
+ struct nvm_iscsi_initiator_ipv6 ipv6; /* 0x38 */
+
+ union nvm_iscsi_name initiator_name; /* 0x118 */
+ union nvm_iscsi_chap_name chap_name; /* 0x218 */
+ union nvm_iscsi_chap_password chap_password; /* 0x318 */
+
+ u32 generic_cont0; /* 0x398 */
+#define NVM_ISCSI_CFG_INITIATOR_VLAN_MASK 0x0000FFFF
+#define NVM_ISCSI_CFG_INITIATOR_VLAN_OFFSET 0
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_MASK 0x00030000
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_OFFSET 16
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4 1
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_6 2
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4_AND_6 3
+
+ u32 ctrl_flags;
+#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_PRIORITY_V6 BIT(0)
+#define NVM_ISCSI_CFG_INITIATOR_VLAN_ENABLED BIT(1)
+
+ u32 rsvd[116]; /* 0x32C */
+};
+
+struct nvm_iscsi_target {
+ u32 ctrl_flags; /* 0x0 */
+#define NVM_ISCSI_CFG_TARGET_ENABLED BIT(0)
+#define NVM_ISCSI_CFG_BOOT_TIME_LOGIN_STATUS BIT(1)
+
+ u32 generic_cont0; /* 0x4 */
+#define NVM_ISCSI_CFG_TARGET_TCP_PORT_MASK 0x0000FFFF
+#define NVM_ISCSI_CFG_TARGET_TCP_PORT_OFFSET 0
+
+ u32 ip_ver;
+#define NVM_ISCSI_CFG_IPv4 4
+#define NVM_ISCSI_CFG_IPv6 6
+
+ u32 rsvd_1[7]; /* 0x24 */
+ union nvm_iscsi_ipv4_addr ipv4_addr; /* 0x28 */
+ union nvm_iscsi_ipv6_addr ipv6_addr; /* 0x2C */
+ union nvm_iscsi_lun lun; /* 0x3C */
+
+ union nvm_iscsi_name target_name; /* 0x44 */
+ union nvm_iscsi_chap_name chap_name; /* 0x144 */
+ union nvm_iscsi_chap_password chap_password; /* 0x244 */
+
+ u32 rsvd_2[107]; /* 0x2C4 */
+};
+
+struct nvm_iscsi_block {
+ u32 id; /* 0x0 */
+#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK 0x0000000F
+#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET 0
+#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK 0x00000FF0
+#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET 4
+#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY BIT(0)
+#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED BIT(1)
+
+ u32 rsvd_1[5]; /* 0x4 */
+
+ struct nvm_iscsi_generic generic; /* 0x18 */
+ struct nvm_iscsi_initiator initiator; /* 0x218 */
+ struct nvm_iscsi_target target[NUM_OF_ISCSI_TARGET_PER_PF];
+ /* 0x718 */
+
+ u32 rsvd_2[58]; /* 0x1718 */
+ /* total size - 0x1800 - 6K block */
+};
+
+struct nvm_iscsi_cfg {
+ u32 id; /* 0x0 */
+#define NVM_ISCSI_CFG_BLK_VERSION_MINOR_MASK 0x000000FF
+#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR_MASK 0x0000FF00
+#define NVM_ISCSI_CFG_BLK_SIGNATURE_MASK 0xFFFF0000
+#define NVM_ISCSI_CFG_BLK_SIGNATURE 0x49430000 /* IC - Iscsi
+ * Config
+ */
+
+#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR 0
+#define NVM_ISCSI_CFG_BLK_VERSION_MINOR 10
+#define NVM_ISCSI_CFG_BLK_VERSION ((NVM_ISCSI_CFG_BLK_VERSION_MAJOR << 8) | \
+ NVM_ISCSI_CFG_BLK_VERSION_MINOR)
+
+ struct nvm_iscsi_block block[NUM_OF_ISCSI_PF_SUPPORTED]; /* 0x4 */
+};
+
+#endif
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index c2dc836..e101cd3 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -3727,7 +3727,7 @@
h &= QLA_CMD_HANDLE_MASK;
if (h != QLA_TGT_NULL_HANDLE) {
- if (unlikely(h > req->num_outstanding_cmds)) {
+ if (unlikely(h >= req->num_outstanding_cmds)) {
ql_dbg(ql_dbg_tgt, vha, 0xe052,
"qla_target(%d): Wrong handle %x received\n",
vha->vp_idx, handle);
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 3314261..b18646d 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -401,9 +401,6 @@
for (i = 0; i < vha->hw->max_req_queues; i++) {
struct req_que *req = vha->hw->req_q_map[i];
- if (!test_bit(i, vha->hw->req_qid_map))
- continue;
-
if (req || !buf) {
length = req ?
req->length : REQUEST_ENTRY_CNT_24XX;
@@ -418,9 +415,6 @@
for (i = 0; i < vha->hw->max_rsp_queues; i++) {
struct rsp_que *rsp = vha->hw->rsp_q_map[i];
- if (!test_bit(i, vha->hw->rsp_qid_map))
- continue;
-
if (rsp || !buf) {
length = rsp ?
rsp->length : RESPONSE_ENTRY_CNT_MQ;
@@ -660,9 +654,6 @@
for (i = 0; i < vha->hw->max_req_queues; i++) {
struct req_que *req = vha->hw->req_q_map[i];
- if (!test_bit(i, vha->hw->req_qid_map))
- continue;
-
if (req || !buf) {
qla27xx_insert16(i, buf, len);
qla27xx_insert16(1, buf, len);
@@ -675,9 +666,6 @@
for (i = 0; i < vha->hw->max_rsp_queues; i++) {
struct rsp_que *rsp = vha->hw->rsp_q_map[i];
- if (!test_bit(i, vha->hw->rsp_qid_map))
- continue;
-
if (rsp || !buf) {
qla27xx_insert16(i, buf, len);
qla27xx_insert16(1, buf, len);
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index b20da0d..3f82ea1 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -500,7 +500,6 @@
static void tcm_qla2xxx_handle_data_work(struct work_struct *work)
{
struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
- unsigned long flags;
/*
* Ensure that the complete FCP WRITE payload has been received.
@@ -508,17 +507,6 @@
*/
cmd->cmd_in_wq = 0;
- spin_lock_irqsave(&cmd->cmd_lock, flags);
- cmd->data_work = 1;
- if (cmd->aborted) {
- cmd->data_work_free = 1;
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
-
- tcm_qla2xxx_free_cmd(cmd);
- return;
- }
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
-
cmd->qpair->tgt_counters.qla_core_ret_ctio++;
if (!cmd->write_data_transferred) {
/*
@@ -765,31 +753,13 @@
qlt_xmit_tm_rsp(mcmd);
}
-#define DATA_WORK_NOT_FREE(_cmd) (_cmd->data_work && !_cmd->data_work_free)
static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd)
{
struct qla_tgt_cmd *cmd = container_of(se_cmd,
struct qla_tgt_cmd, se_cmd);
- unsigned long flags;
if (qlt_abort_cmd(cmd))
return;
-
- spin_lock_irqsave(&cmd->cmd_lock, flags);
- if ((cmd->state == QLA_TGT_STATE_NEW)||
- ((cmd->state == QLA_TGT_STATE_DATA_IN) &&
- DATA_WORK_NOT_FREE(cmd))) {
- cmd->data_work_free = 1;
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- /*
- * cmd has not reached fw, Use this trigger to free it.
- */
- tcm_qla2xxx_free_cmd(cmd);
- return;
- }
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- return;
-
}
static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *,
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 3d38c6d..1bf274e 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -800,7 +800,11 @@
module_param(scsi_logging_level, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(scsi_logging_level, "a bit mask of logging levels");
+#ifdef CONFIG_SCSI_MQ_DEFAULT
bool scsi_use_blk_mq = true;
+#else
+bool scsi_use_blk_mq = false;
+#endif
module_param_named(use_blk_mq, scsi_use_blk_mq, bool, S_IWUSR | S_IRUGO);
static int __init init_scsi(void)
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 7e24aa3..892fbd9 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1286,7 +1286,7 @@
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
- if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
+ if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING | FC_VPORT_DELETING)) {
spin_unlock_irqrestore(shost->host_lock, flags);
return -EBUSY;
}
@@ -2430,8 +2430,10 @@
spin_lock_irqsave(shost->host_lock, flags);
/* Remove any vports */
- list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers)
+ list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) {
+ vport->flags |= FC_VPORT_DELETING;
fc_queue_work(shost, &vport->vport_delete_work);
+ }
/* Remove any remote ports */
list_for_each_entry_safe(rport, next_rport,
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index bea36ad..e2647f2 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1277,6 +1277,9 @@
{
struct request *rq = SCpnt->request;
+ if (SCpnt->flags & SCMD_ZONE_WRITE_LOCK)
+ sd_zbc_write_unlock_zone(SCpnt);
+
if (rq->rq_flags & RQF_SPECIAL_PAYLOAD)
__free_page(rq->special_vec.bv_page);
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 96855df..8aa5477 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -294,6 +294,9 @@
test_and_set_bit(zno, sdkp->zones_wlock))
return BLKPREP_DEFER;
+ WARN_ON_ONCE(cmd->flags & SCMD_ZONE_WRITE_LOCK);
+ cmd->flags |= SCMD_ZONE_WRITE_LOCK;
+
return BLKPREP_OK;
}
@@ -302,9 +305,10 @@
struct request *rq = cmd->request;
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
- if (sdkp->zones_wlock) {
+ if (sdkp->zones_wlock && cmd->flags & SCMD_ZONE_WRITE_LOCK) {
unsigned int zno = sd_zbc_zone_no(sdkp, blk_rq_pos(rq));
WARN_ON_ONCE(!test_bit(zno, sdkp->zones_wlock));
+ cmd->flags &= ~SCMD_ZONE_WRITE_LOCK;
clear_bit_unlock(zno, sdkp->zones_wlock);
smp_mb__after_atomic();
}
@@ -335,9 +339,6 @@
case REQ_OP_WRITE_ZEROES:
case REQ_OP_WRITE_SAME:
- /* Unlock the zone */
- sd_zbc_write_unlock_zone(cmd);
-
if (result &&
sshdr->sense_key == ILLEGAL_REQUEST &&
sshdr->asc == 0x21)
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index f1cdf32..8927f9f5 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -99,7 +99,7 @@
ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
- if (unlikely(!ret))
+ if (unlikely(ret))
return ret;
recv_page_code = ((unsigned char *)buf)[0];
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 21225d6..84e782d 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -751,29 +751,6 @@
return count;
}
-static bool sg_is_valid_dxfer(sg_io_hdr_t *hp)
-{
- switch (hp->dxfer_direction) {
- case SG_DXFER_NONE:
- if (hp->dxferp || hp->dxfer_len > 0)
- return false;
- return true;
- case SG_DXFER_TO_DEV:
- case SG_DXFER_FROM_DEV:
- case SG_DXFER_TO_FROM_DEV:
- if (!hp->dxferp || hp->dxfer_len == 0)
- return false;
- return true;
- case SG_DXFER_UNKNOWN:
- if ((!hp->dxferp && hp->dxfer_len) ||
- (hp->dxferp && hp->dxfer_len == 0))
- return false;
- return true;
- default:
- return false;
- }
-}
-
static int
sg_common_write(Sg_fd * sfp, Sg_request * srp,
unsigned char *cmnd, int timeout, int blocking)
@@ -794,7 +771,7 @@
"sg_common_write: scsi opcode=0x%02x, cmd_size=%d\n",
(int) cmnd[0], (int) hp->cmd_len));
- if (!sg_is_valid_dxfer(hp))
+ if (hp->dxfer_len >= SZ_256M)
return -EINVAL;
k = sg_start_req(srp, cmnd);
@@ -1044,7 +1021,7 @@
read_lock_irqsave(&sfp->rq_list_lock, iflags);
val = 0;
list_for_each_entry(srp, &sfp->rq_list, entry) {
- if (val > SG_MAX_QUEUE)
+ if (val >= SG_MAX_QUEUE)
break;
memset(&rinfo[val], 0, SZ_SG_REQ_INFO);
rinfo[val].req_state = srp->done + 1;
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index 07ec8a88..e164ffa 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -690,7 +690,7 @@
#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32
-#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U)
+#define PQI_MAX_TRANSFER_SIZE (1024U * 1024U)
#define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U)
#define RAID_MAP_MAX_ENTRIES 1024
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 8e5013d..94e402e 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4299,11 +4299,11 @@
kref_init(&tpnt->kref);
tpnt->disk = disk;
disk->private_data = &tpnt->driver;
- disk->queue = SDp->request_queue;
/* SCSI tape doesn't register this gendisk via add_disk(). Manually
* take queue reference that release_disk() expects. */
- if (!blk_get_queue(disk->queue))
+ if (!blk_get_queue(SDp->request_queue))
goto out_put_disk;
+ disk->queue = SDp->request_queue;
tpnt->driver = &st_template;
tpnt->device = SDp;
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 8b93197..9be211d 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -837,6 +837,7 @@
.eh_abort_handler = virtscsi_abort,
.eh_device_reset_handler = virtscsi_device_reset,
.eh_timed_out = virtscsi_eh_timed_out,
+ .slave_alloc = virtscsi_device_alloc,
.can_queue = 1024,
.dma_boundary = UINT_MAX,
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index 3039072..afc7ecc 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -200,16 +200,11 @@
domain->dev = &pdev->dev;
- ret = pm_genpd_init(&domain->genpd, NULL, true);
- if (ret) {
- dev_err(domain->dev, "Failed to init power domain\n");
- return ret;
- }
-
domain->regulator = devm_regulator_get_optional(domain->dev, "power");
if (IS_ERR(domain->regulator)) {
if (PTR_ERR(domain->regulator) != -ENODEV) {
- dev_err(domain->dev, "Failed to get domain's regulator\n");
+ if (PTR_ERR(domain->regulator) != -EPROBE_DEFER)
+ dev_err(domain->dev, "Failed to get domain's regulator\n");
return PTR_ERR(domain->regulator);
}
} else {
@@ -217,6 +212,12 @@
domain->voltage, domain->voltage);
}
+ ret = pm_genpd_init(&domain->genpd, NULL, true);
+ if (ret) {
+ dev_err(domain->dev, "Failed to init power domain\n");
+ return ret;
+ }
+
ret = of_genpd_add_provider_simple(domain->dev->of_node,
&domain->genpd);
if (ret) {
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 279e7c5..39225de 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -745,6 +745,9 @@
bool slot_found;
int ret;
+ if (!kdev)
+ return ERR_PTR(-EPROBE_DEFER);
+
if (!kdev->dev)
return ERR_PTR(-ENODEV);
diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c
index b0b2838..de31b93 100644
--- a/drivers/soc/ti/ti_sci_pm_domains.c
+++ b/drivers/soc/ti/ti_sci_pm_domains.c
@@ -176,6 +176,8 @@
ti_sci_pd->dev = dev;
+ ti_sci_pd->pd.name = "ti_sci_pd";
+
ti_sci_pd->pd.attach_dev = ti_sci_pd_attach_dev;
ti_sci_pd->pd.detach_dev = ti_sci_pd_detach_dev;
diff --git a/drivers/soc/zte/Kconfig b/drivers/soc/zte/Kconfig
index 20bde38..e9d750c 100644
--- a/drivers/soc/zte/Kconfig
+++ b/drivers/soc/zte/Kconfig
@@ -2,6 +2,7 @@
# ZTE SoC drivers
#
menuconfig SOC_ZTE
+ depends on ARCH_ZX || COMPILE_TEST
bool "ZTE SoC driver support"
if SOC_ZTE
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index 2afe359..f4b7a98 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -134,7 +134,6 @@
* @spmic: SPMI controller object
* @ver_ops: version dependent operations.
* @ppid_to_apid in-memory copy of PPID -> channel (APID) mapping table.
- * v2 only.
*/
struct spmi_pmic_arb {
void __iomem *rd_base;
@@ -1016,6 +1015,13 @@
goto err_put_ctrl;
}
+ pa->ppid_to_apid = devm_kcalloc(&ctrl->dev, PMIC_ARB_MAX_PPID,
+ sizeof(*pa->ppid_to_apid), GFP_KERNEL);
+ if (!pa->ppid_to_apid) {
+ err = -ENOMEM;
+ goto err_put_ctrl;
+ }
+
hw_ver = readl_relaxed(core + PMIC_ARB_VERSION);
if (hw_ver < PMIC_ARB_VERSION_V2_MIN) {
@@ -1048,15 +1054,6 @@
err = PTR_ERR(pa->wr_base);
goto err_put_ctrl;
}
-
- pa->ppid_to_apid = devm_kcalloc(&ctrl->dev,
- PMIC_ARB_MAX_PPID,
- sizeof(*pa->ppid_to_apid),
- GFP_KERNEL);
- if (!pa->ppid_to_apid) {
- err = -ENOMEM;
- goto err_put_ctrl;
- }
}
dev_info(&ctrl->dev, "PMIC arbiter version %s (0x%x)\n",
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 2b9b094..6d23226 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -365,11 +365,23 @@
return 0;
}
+static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ int ret;
+
+ ret = of_device_uevent_modalias(dev, env);
+ if (ret != -ENODEV)
+ return ret;
+
+ return 0;
+}
+
static struct bus_type spmi_bus_type = {
.name = "spmi",
.match = spmi_device_match,
.probe = spmi_drv_probe,
.remove = spmi_drv_remove,
+ .uevent = spmi_drv_uevent,
};
/**
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 268d4e6..ef28a1c 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -110,4 +110,6 @@
source "drivers/staging/typec/Kconfig"
+source "drivers/staging/vboxvideo/Kconfig"
+
endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index b93e6f5..2918580 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -44,3 +44,4 @@
obj-$(CONFIG_GREYBUS) += greybus/
obj-$(CONFIG_BCM2835_VCHIQ) += vc04_services/
obj-$(CONFIG_CRYPTO_DEV_CCREE) += ccree/
+obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo/
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ca11be2..34ca782 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2396,6 +2396,7 @@
continue;
}
+ set_current_state(TASK_RUNNING);
wp = async->buf_write_ptr;
n1 = min(n, async->prealloc_bufsz - wp);
n2 = n - n1;
@@ -2528,6 +2529,8 @@
}
continue;
}
+
+ set_current_state(TASK_RUNNING);
rp = async->buf_read_ptr;
n1 = min(n, async->prealloc_bufsz - rp);
n2 = n - n1;
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index b2e3828..2f7bfc1 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -3116,8 +3116,7 @@
/* following line: 2-1 per STC */
ni_stc_writel(dev, 1, NISTC_AO_UI_LOADA_REG);
ni_stc_writew(dev, NISTC_AO_CMD1_UI_LOAD, NISTC_AO_CMD1_REG);
- /* following line: N-1 per STC */
- ni_stc_writel(dev, trigvar - 1, NISTC_AO_UI_LOADA_REG);
+ ni_stc_writel(dev, trigvar, NISTC_AO_UI_LOADA_REG);
} else { /* TRIG_EXT */
/* FIXME: assert scan_begin_arg != 0, ret failure otherwise */
devpriv->ao_cmd2 |= NISTC_AO_CMD2_BC_GATE_ENA;
diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
index b37a6f4..8ea3920 100644
--- a/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
@@ -16,9 +16,9 @@
static bool __must_check fsl_mc_is_allocatable(const char *obj_type)
{
- return strcmp(obj_type, "dpbp") ||
- strcmp(obj_type, "dpmcp") ||
- strcmp(obj_type, "dpcon");
+ return strcmp(obj_type, "dpbp") == 0 ||
+ strcmp(obj_type, "dpmcp") == 0 ||
+ strcmp(obj_type, "dpcon") == 0;
}
/**
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index a6a8393..3e00df7 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -472,7 +472,7 @@
long m)
{
struct ad2s1210_state *st = iio_priv(indio_dev);
- bool negative;
+ u16 negative;
int ret = 0;
u16 pos;
s16 vel;
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index 85b242e..8fc191d 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -1640,8 +1640,13 @@
ibmsg = tx->tx_msg;
ibmsg->ibm_u.immediate.ibim_hdr = *hdr;
- copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, IBLND_MSG_SIZE,
- &from);
+ rc = copy_from_iter(&ibmsg->ibm_u.immediate.ibim_payload, payload_nob,
+ &from);
+ if (rc != payload_nob) {
+ kiblnd_pool_free_node(&tx->tx_pool->tpo_pool, &tx->tx_list);
+ return -EFAULT;
+ }
+
nob = offsetof(struct kib_immediate_msg, ibim_payload[payload_nob]);
kiblnd_init_tx_msg(ni, tx, IBLND_MSG_IMMEDIATE, nob);
@@ -1741,8 +1746,14 @@
break;
}
- copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload,
- IBLND_MSG_SIZE, to);
+ rc = copy_to_iter(&rxmsg->ibm_u.immediate.ibim_payload, rlen,
+ to);
+ if (rc != rlen) {
+ rc = -EFAULT;
+ break;
+ }
+
+ rc = 0;
lnet_finalize(ni, lntmsg, 0);
break;
diff --git a/drivers/staging/media/atomisp/i2c/ap1302.h b/drivers/staging/media/atomisp/i2c/ap1302.h
index 9341232..4d0b181 100644
--- a/drivers/staging/media/atomisp/i2c/ap1302.h
+++ b/drivers/staging/media/atomisp/i2c/ap1302.h
@@ -158,8 +158,8 @@
};
struct ap1302_context_res {
- s32 res_num;
- s32 cur_res;
+ u32 res_num;
+ u32 cur_res;
struct ap1302_res_struct *res_table;
};
diff --git a/drivers/staging/media/atomisp/i2c/gc0310.h b/drivers/staging/media/atomisp/i2c/gc0310.h
index f31eb27..7d8a0ae 100644
--- a/drivers/staging/media/atomisp/i2c/gc0310.h
+++ b/drivers/staging/media/atomisp/i2c/gc0310.h
@@ -454,6 +454,6 @@
#define N_RES_VIDEO (ARRAY_SIZE(gc0310_res_video))
static struct gc0310_resolution *gc0310_res = gc0310_res_preview;
-static int N_RES = N_RES_PREVIEW;
+static unsigned long N_RES = N_RES_PREVIEW;
#endif
diff --git a/drivers/staging/media/atomisp/i2c/gc2235.h b/drivers/staging/media/atomisp/i2c/gc2235.h
index ccbc757..7c3d9941 100644
--- a/drivers/staging/media/atomisp/i2c/gc2235.h
+++ b/drivers/staging/media/atomisp/i2c/gc2235.h
@@ -668,5 +668,5 @@
#define N_RES_VIDEO (ARRAY_SIZE(gc2235_res_video))
static struct gc2235_resolution *gc2235_res = gc2235_res_preview;
-static int N_RES = N_RES_PREVIEW;
+static unsigned long N_RES = N_RES_PREVIEW;
#endif
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx.h b/drivers/staging/media/atomisp/i2c/imx/imx.h
index 36b3f3a..41b4133 100644
--- a/drivers/staging/media/atomisp/i2c/imx/imx.h
+++ b/drivers/staging/media/atomisp/i2c/imx/imx.h
@@ -480,7 +480,7 @@
struct imx_vcm *vcm_driver;
struct imx_otp *otp_driver;
const struct imx_resolution *curr_res_table;
- int entries_curr_table;
+ unsigned long entries_curr_table;
const struct firmware *fw;
struct imx_reg_addr *reg_addr;
const struct imx_reg *param_hold;
diff --git a/drivers/staging/media/atomisp/i2c/ov2680.h b/drivers/staging/media/atomisp/i2c/ov2680.h
index 944fe8e..ab8907e 100644
--- a/drivers/staging/media/atomisp/i2c/ov2680.h
+++ b/drivers/staging/media/atomisp/i2c/ov2680.h
@@ -934,7 +934,6 @@
#define N_RES_VIDEO (ARRAY_SIZE(ov2680_res_video))
static struct ov2680_resolution *ov2680_res = ov2680_res_preview;
-static int N_RES = N_RES_PREVIEW;
-
+static unsigned long N_RES = N_RES_PREVIEW;
#endif
diff --git a/drivers/staging/media/atomisp/i2c/ov2722.h b/drivers/staging/media/atomisp/i2c/ov2722.h
index b0d4096..73ecb16 100644
--- a/drivers/staging/media/atomisp/i2c/ov2722.h
+++ b/drivers/staging/media/atomisp/i2c/ov2722.h
@@ -1263,5 +1263,5 @@
#define N_RES_VIDEO (ARRAY_SIZE(ov2722_res_video))
static struct ov2722_resolution *ov2722_res = ov2722_res_preview;
-static int N_RES = N_RES_PREVIEW;
+static unsigned long N_RES = N_RES_PREVIEW;
#endif
diff --git a/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h b/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h
index d88ac17..8c2e679 100644
--- a/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h
+++ b/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h
@@ -1377,5 +1377,5 @@
#define N_RES_VIDEO (ARRAY_SIZE(ov5693_res_video))
static struct ov5693_resolution *ov5693_res = ov5693_res_preview;
-static int N_RES = N_RES_PREVIEW;
+static unsigned long N_RES = N_RES_PREVIEW;
#endif
diff --git a/drivers/staging/media/atomisp/i2c/ov8858.h b/drivers/staging/media/atomisp/i2c/ov8858.h
index 9be6a0e..d3fde20 100644
--- a/drivers/staging/media/atomisp/i2c/ov8858.h
+++ b/drivers/staging/media/atomisp/i2c/ov8858.h
@@ -266,7 +266,7 @@
const struct ov8858_reg *regs;
struct ov8858_vcm *vcm_driver;
const struct ov8858_resolution *curr_res_table;
- int entries_curr_table;
+ unsigned long entries_curr_table;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl *run_mode;
diff --git a/drivers/staging/media/atomisp/i2c/ov8858_btns.h b/drivers/staging/media/atomisp/i2c/ov8858_btns.h
index 09e3cdc..f9a3cf8 100644
--- a/drivers/staging/media/atomisp/i2c/ov8858_btns.h
+++ b/drivers/staging/media/atomisp/i2c/ov8858_btns.h
@@ -266,7 +266,7 @@
const struct ov8858_reg *regs;
struct ov8858_vcm *vcm_driver;
const struct ov8858_resolution *curr_res_table;
- int entries_curr_table;
+ unsigned long entries_curr_table;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl *run_mode;
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile
index 726eaa2..2bd98f0 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile
+++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile
@@ -354,7 +354,9 @@
# HACK! While this driver is in bad shape, don't enable several warnings
# that would be otherwise enabled with W=1
-ccflags-y += -Wno-unused-const-variable -Wno-missing-prototypes \
- -Wno-unused-but-set-variable -Wno-missing-declarations \
- -Wno-suggest-attribute=format -Wno-missing-prototypes \
- -Wno-implicit-fallthrough
+ccflags-y += $(call cc-disable-warning, implicit-fallthrough)
+ccflags-y += $(call cc-disable-warning, missing-prototypes)
+ccflags-y += $(call cc-disable-warning, missing-declarations)
+ccflags-y += $(call cc-disable-warning, suggest-attribute=format)
+ccflags-y += $(call cc-disable-warning, unused-const-variable)
+ccflags-y += $(call cc-disable-warning, unused-but-set-variable)
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
index d366713..c8e0c4f 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
@@ -275,7 +275,7 @@
*/
struct mutex streamoff_mutex;
- int input_cnt;
+ unsigned int input_cnt;
struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS];
struct v4l2_subdev *flash;
struct v4l2_subdev *motor;
diff --git a/drivers/staging/media/cxd2099/cxd2099.c b/drivers/staging/media/cxd2099/cxd2099.c
index 370ecb9..f28916e 100644
--- a/drivers/staging/media/cxd2099/cxd2099.c
+++ b/drivers/staging/media/cxd2099/cxd2099.c
@@ -1,7 +1,7 @@
/*
* cxd2099.c: Driver for the CXD2099AR Common Interface Controller
*
- * Copyright (C) 2010-2011 Digital Devices GmbH
+ * Copyright (C) 2010-2013 Digital Devices GmbH
*
*
* This program is free software; you can redistribute it and/or
@@ -33,7 +33,10 @@
#include "cxd2099.h"
-#define MAX_BUFFER_SIZE 248
+/* comment this line to deactivate the cxd2099ar buffer mode */
+#define BUFFER_MODE 1
+
+static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount);
struct cxd {
struct dvb_ca_en50221 en;
@@ -48,6 +51,7 @@
int mode;
int ready;
int dr;
+ int write_busy;
int slot_stat;
u8 amem[1024];
@@ -55,6 +59,9 @@
int cammode;
struct mutex lock;
+
+ u8 rbuf[1028];
+ u8 wbuf[1028];
};
static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr,
@@ -73,7 +80,7 @@
}
static int i2c_write(struct i2c_adapter *adapter, u8 adr,
- u8 *data, u8 len)
+ u8 *data, u16 len)
{
struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len};
@@ -100,12 +107,12 @@
}
static int i2c_read(struct i2c_adapter *adapter, u8 adr,
- u8 reg, u8 *data, u8 n)
+ u8 reg, u8 *data, u16 n)
{
struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0,
- .buf = ®, .len = 1},
- {.addr = adr, .flags = I2C_M_RD,
- .buf = data, .len = n} };
+ .buf = ®, .len = 1},
+ {.addr = adr, .flags = I2C_M_RD,
+ .buf = data, .len = n} };
if (i2c_transfer(adapter, msgs, 2) != 2) {
dev_err(&adapter->dev, "error in i2c_read\n");
@@ -114,14 +121,26 @@
return 0;
}
-static int read_block(struct cxd *ci, u8 adr, u8 *data, u8 n)
+static int read_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
{
- int status;
+ int status = 0;
- status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr);
+ if (ci->lastaddress != adr)
+ status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr);
if (!status) {
ci->lastaddress = adr;
- status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, n);
+
+ while (n) {
+ int len = n;
+
+ if (ci->cfg.max_i2c && (len > ci->cfg.max_i2c))
+ len = ci->cfg.max_i2c;
+ status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, len);
+ if (status)
+ return status;
+ data += len;
+ n -= len;
+ }
}
return status;
}
@@ -182,16 +201,16 @@
static int write_regm(struct cxd *ci, u8 reg, u8 val, u8 mask)
{
- int status;
+ int status = 0;
- status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, reg);
+ if (ci->lastaddress != reg)
+ status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, reg);
if (!status && reg >= 6 && reg <= 8 && mask != 0xff)
status = i2c_read_reg(ci->i2c, ci->cfg.adr, 1, &ci->regs[reg]);
+ ci->lastaddress = reg;
ci->regs[reg] = (ci->regs[reg] & (~mask)) | val;
- if (!status) {
- ci->lastaddress = reg;
+ if (!status)
status = i2c_write_reg(ci->i2c, ci->cfg.adr, 1, ci->regs[reg]);
- }
if (reg == 0x20)
ci->regs[reg] &= 0x7f;
return status;
@@ -203,16 +222,29 @@
}
#ifdef BUFFER_MODE
-static int write_block(struct cxd *ci, u8 adr, u8 *data, int n)
+static int write_block(struct cxd *ci, u8 adr, u8 *data, u16 n)
{
- int status;
- u8 buf[256] = {1};
+ int status = 0;
+ u8 *buf = ci->wbuf;
- status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr);
- if (!status) {
- ci->lastaddress = adr;
- memcpy(buf + 1, data, n);
- status = i2c_write(ci->i2c, ci->cfg.adr, buf, n + 1);
+ if (ci->lastaddress != adr)
+ status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr);
+ if (status)
+ return status;
+
+ ci->lastaddress = adr;
+ buf[0] = 1;
+ while (n) {
+ int len = n;
+
+ if (ci->cfg.max_i2c && (len + 1 > ci->cfg.max_i2c))
+ len = ci->cfg.max_i2c - 1;
+ memcpy(buf + 1, data, len);
+ status = i2c_write(ci->i2c, ci->cfg.adr, buf, len + 1);
+ if (status)
+ return status;
+ n -= len;
+ data += len;
}
return status;
}
@@ -238,6 +270,8 @@
static void cam_mode(struct cxd *ci, int mode)
{
+ u8 dummy;
+
if (mode == ci->cammode)
return;
@@ -246,16 +280,15 @@
write_regm(ci, 0x20, 0x80, 0x80);
break;
case 0x01:
-#ifdef BUFFER_MODE
if (!ci->en.read_data)
return;
+ ci->write_busy = 0;
dev_info(&ci->i2c->dev, "enable cam buffer mode\n");
- /* write_reg(ci, 0x0d, 0x00); */
- /* write_reg(ci, 0x0e, 0x01); */
+ write_reg(ci, 0x0d, 0x00);
+ write_reg(ci, 0x0e, 0x01);
write_regm(ci, 0x08, 0x40, 0x40);
- /* read_reg(ci, 0x12, &dummy); */
+ read_reg(ci, 0x12, &dummy);
write_regm(ci, 0x08, 0x80, 0x80);
-#endif
break;
default:
break;
@@ -325,7 +358,10 @@
if (status < 0)
break;
- if (ci->cfg.clock_mode) {
+ if (ci->cfg.clock_mode == 2) {
+ /* bitrate*2^13/ 72000 */
+ u32 reg = ((ci->cfg.bitrate << 13) + 71999) / 72000;
+
if (ci->cfg.polarity) {
status = write_reg(ci, 0x09, 0x6f);
if (status < 0)
@@ -335,6 +371,25 @@
if (status < 0)
break;
}
+ status = write_reg(ci, 0x20, 0x08);
+ if (status < 0)
+ break;
+ status = write_reg(ci, 0x21, (reg >> 8) & 0xff);
+ if (status < 0)
+ break;
+ status = write_reg(ci, 0x22, reg & 0xff);
+ if (status < 0)
+ break;
+ } else if (ci->cfg.clock_mode == 1) {
+ if (ci->cfg.polarity) {
+ status = write_reg(ci, 0x09, 0x6f); /* D */
+ if (status < 0)
+ break;
+ } else {
+ status = write_reg(ci, 0x09, 0x6d);
+ if (status < 0)
+ break;
+ }
status = write_reg(ci, 0x20, 0x68);
if (status < 0)
break;
@@ -346,7 +401,7 @@
break;
} else {
if (ci->cfg.polarity) {
- status = write_reg(ci, 0x09, 0x4f);
+ status = write_reg(ci, 0x09, 0x4f); /* C */
if (status < 0)
break;
} else {
@@ -354,7 +409,6 @@
if (status < 0)
break;
}
-
status = write_reg(ci, 0x20, 0x28);
if (status < 0)
break;
@@ -401,7 +455,6 @@
set_mode(ci, 1);
read_pccard(ci, address, &val, 1);
mutex_unlock(&ci->lock);
- /* printk(KERN_INFO "%02x:%02x\n", address,val); */
return val;
}
@@ -446,6 +499,9 @@
{
struct cxd *ci = ca->data;
+ if (ci->cammode)
+ read_data(ca, slot, ci->rbuf, 0);
+
mutex_lock(&ci->lock);
cam_mode(ci, 0);
write_reg(ci, 0x00, 0x21);
@@ -465,7 +521,6 @@
}
}
mutex_unlock(&ci->lock);
- /* msleep(500); */
return 0;
}
@@ -474,11 +529,19 @@
struct cxd *ci = ca->data;
dev_info(&ci->i2c->dev, "%s\n", __func__);
+ if (ci->cammode)
+ read_data(ca, slot, ci->rbuf, 0);
mutex_lock(&ci->lock);
+ write_reg(ci, 0x00, 0x21);
+ write_reg(ci, 0x06, 0x1F);
+ msleep(300);
+
write_regm(ci, 0x09, 0x08, 0x08);
write_regm(ci, 0x20, 0x80, 0x80); /* Reset CAM Mode */
write_regm(ci, 0x06, 0x07, 0x07); /* Clear IO Mode */
+
ci->mode = -1;
+ ci->write_busy = 0;
mutex_unlock(&ci->lock);
return 0;
}
@@ -490,9 +553,7 @@
mutex_lock(&ci->lock);
write_regm(ci, 0x09, 0x00, 0x08);
set_mode(ci, 0);
-#ifdef BUFFER_MODE
cam_mode(ci, 1);
-#endif
mutex_unlock(&ci->lock);
return 0;
}
@@ -506,12 +567,10 @@
return 0;
write_reg(ci, 0x05, istat);
- if (istat & 0x40) {
+ if (istat & 0x40)
ci->dr = 1;
- dev_info(&ci->i2c->dev, "DR\n");
- }
if (istat & 0x20)
- dev_info(&ci->i2c->dev, "WC\n");
+ ci->write_busy = 0;
if (istat & 2) {
u8 slotstat;
@@ -519,7 +578,8 @@
read_reg(ci, 0x01, &slotstat);
if (!(2 & slotstat)) {
if (!ci->slot_stat) {
- ci->slot_stat = DVB_CA_EN50221_POLL_CAM_PRESENT;
+ ci->slot_stat |=
+ DVB_CA_EN50221_POLL_CAM_PRESENT;
write_regm(ci, 0x03, 0x08, 0x08);
}
@@ -531,8 +591,8 @@
ci->ready = 0;
}
}
- if (istat & 8 &&
- ci->slot_stat == DVB_CA_EN50221_POLL_CAM_PRESENT) {
+ if ((istat & 8) &&
+ (ci->slot_stat == DVB_CA_EN50221_POLL_CAM_PRESENT)) {
ci->ready = 1;
ci->slot_stat |= DVB_CA_EN50221_POLL_CAM_READY;
}
@@ -553,7 +613,6 @@
return ci->slot_stat;
}
-#ifdef BUFFER_MODE
static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount)
{
struct cxd *ci = ca->data;
@@ -564,30 +623,38 @@
campoll(ci);
mutex_unlock(&ci->lock);
- dev_info(&ci->i2c->dev, "%s\n", __func__);
if (!ci->dr)
return 0;
mutex_lock(&ci->lock);
read_reg(ci, 0x0f, &msb);
read_reg(ci, 0x10, &lsb);
- len = (msb << 8) | lsb;
+ len = ((u16)msb << 8) | lsb;
+ if (len > ecount || len < 2) {
+ /* read it anyway or cxd may hang */
+ read_block(ci, 0x12, ci->rbuf, len);
+ mutex_unlock(&ci->lock);
+ return -EIO;
+ }
read_block(ci, 0x12, ebuf, len);
ci->dr = 0;
mutex_unlock(&ci->lock);
-
return len;
}
+#ifdef BUFFER_MODE
+
static int write_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount)
{
struct cxd *ci = ca->data;
+ if (ci->write_busy)
+ return -EAGAIN;
mutex_lock(&ci->lock);
- dev_info(&ci->i2c->dev, "%s %d\n", __func__, ecount);
write_reg(ci, 0x0d, ecount >> 8);
write_reg(ci, 0x0e, ecount & 0xff);
write_block(ci, 0x11, ebuf, ecount);
+ ci->write_busy = 1;
mutex_unlock(&ci->lock);
return ecount;
}
diff --git a/drivers/staging/media/cxd2099/cxd2099.h b/drivers/staging/media/cxd2099/cxd2099.h
index 0eb607c..f4b29b1 100644
--- a/drivers/staging/media/cxd2099/cxd2099.h
+++ b/drivers/staging/media/cxd2099/cxd2099.h
@@ -30,8 +30,10 @@
struct cxd2099_cfg {
u32 bitrate;
u8 adr;
- u8 polarity:1;
- u8 clock_mode:1;
+ u8 polarity;
+ u8 clock_mode;
+
+ u32 max_i2c;
};
#if defined(CONFIG_DVB_CXD2099) || \
diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index 002d091..a69007e 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -132,7 +132,7 @@
kfree(pcmd->parmbuf);
}
- if (!pcmd->rsp) {
+ if (pcmd->rsp) {
if (pcmd->rspsz != 0) {
/* free rsp in cmd_obj */
kfree(pcmd->rsp);
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 963235f..56cd4e5 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -43,7 +43,9 @@
{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
+ {USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
+ {USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
{} /* Terminating entry */
};
diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c
index 944dd25..4754f7a 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -40,7 +40,7 @@
pll_reg = peek32(MXCLK_PLL_CTRL);
M = (pll_reg & PLL_CTRL_M_MASK) >> PLL_CTRL_M_SHIFT;
- N = (pll_reg & PLL_CTRL_N_MASK) >> PLL_CTRL_M_SHIFT;
+ N = (pll_reg & PLL_CTRL_N_MASK) >> PLL_CTRL_N_SHIFT;
OD = (pll_reg & PLL_CTRL_OD_MASK) >> PLL_CTRL_OD_SHIFT;
POD = (pll_reg & PLL_CTRL_POD_MASK) >> PLL_CTRL_POD_SHIFT;
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 3aa4128..67207b0 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -1053,6 +1053,26 @@
return err;
}
+static int lynxfb_kick_out_firmware_fb(struct pci_dev *pdev)
+{
+ struct apertures_struct *ap;
+ bool primary = false;
+
+ ap = alloc_apertures(1);
+ if (!ap)
+ return -ENOMEM;
+
+ ap->ranges[0].base = pci_resource_start(pdev, 0);
+ ap->ranges[0].size = pci_resource_len(pdev, 0);
+#ifdef CONFIG_X86
+ primary = pdev->resource[PCI_ROM_RESOURCE].flags &
+ IORESOURCE_ROM_SHADOW;
+#endif
+ remove_conflicting_framebuffers(ap, "sm750_fb1", primary);
+ kfree(ap);
+ return 0;
+}
+
static int lynxfb_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@@ -1061,6 +1081,10 @@
int fbidx;
int err;
+ err = lynxfb_kick_out_firmware_fb(pdev);
+ if (err)
+ return err;
+
/* enable device */
err = pcim_enable_device(pdev);
if (err)
diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c
index 82e5de2..67956e2 100644
--- a/drivers/staging/speakup/main.c
+++ b/drivers/staging/speakup/main.c
@@ -2314,6 +2314,7 @@
mutex_lock(&spk_mutex);
synth_release();
mutex_unlock(&spk_mutex);
+ spk_ttyio_unregister_ldisc();
speakup_kobj_exit();
@@ -2376,6 +2377,7 @@
if (err)
goto error_kobjects;
+ spk_ttyio_register_ldisc();
synth_init(synth_name);
speakup_register_devsynth();
/*
diff --git a/drivers/staging/speakup/spk_priv.h b/drivers/staging/speakup/spk_priv.h
index 87b6a0a..046040a 100644
--- a/drivers/staging/speakup/spk_priv.h
+++ b/drivers/staging/speakup/spk_priv.h
@@ -48,6 +48,8 @@
int spk_wait_for_xmitr(struct spk_synth *in_synth);
void spk_serial_release(void);
void spk_ttyio_release(void);
+void spk_ttyio_register_ldisc(void);
+void spk_ttyio_unregister_ldisc(void);
void synth_buffer_skip_nonlatin1(void);
u16 synth_buffer_getc(void);
diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c
index ed8e96b..fe340b0 100644
--- a/drivers/staging/speakup/spk_ttyio.c
+++ b/drivers/staging/speakup/spk_ttyio.c
@@ -154,12 +154,6 @@
struct ktermios tmp_termios;
dev_t dev;
- ret = tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops);
- if (ret) {
- pr_err("Error registering line discipline.\n");
- return ret;
- }
-
ret = get_dev_to_use(synth, &dev);
if (ret)
return ret;
@@ -196,10 +190,24 @@
tty_unlock(tty);
ret = tty_set_ldisc(tty, N_SPEAKUP);
+ if (ret)
+ pr_err("speakup: Failed to set N_SPEAKUP on tty\n");
return ret;
}
+void spk_ttyio_register_ldisc(void)
+{
+ if (tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops))
+ pr_warn("speakup: Error registering line discipline. Most synths won't work.\n");
+}
+
+void spk_ttyio_unregister_ldisc(void)
+{
+ if (tty_unregister_ldisc(N_SPEAKUP))
+ pr_warn("speakup: Couldn't unregister ldisc\n");
+}
+
static int spk_ttyio_out(struct spk_synth *in_synth, const char ch)
{
if (in_synth->alive && speakup_tty && speakup_tty->ops->write) {
@@ -300,7 +308,7 @@
tty_ldisc_flush(speakup_tty);
tty_unlock(speakup_tty);
- tty_ldisc_release(speakup_tty);
+ tty_release_struct(speakup_tty, speakup_tty->index);
}
EXPORT_SYMBOL_GPL(spk_ttyio_release);
diff --git a/drivers/staging/vboxvideo/Kconfig b/drivers/staging/vboxvideo/Kconfig
new file mode 100644
index 0000000..a52746f
--- /dev/null
+++ b/drivers/staging/vboxvideo/Kconfig
@@ -0,0 +1,12 @@
+config DRM_VBOXVIDEO
+ tristate "Virtual Box Graphics Card"
+ depends on DRM && X86 && PCI
+ select DRM_KMS_HELPER
+ help
+ This is a KMS driver for the virtual Graphics Card used in
+ Virtual Box virtual machines.
+
+ Although it is possible to builtin this module, it is advised
+ to build this driver as a module, so that it can be updated
+ independently of the kernel. Select M to built this driver as a
+ module and add support for these devices via drm/kms interfaces.
diff --git a/drivers/staging/vboxvideo/Makefile b/drivers/staging/vboxvideo/Makefile
new file mode 100644
index 0000000..2d0b3bc
--- /dev/null
+++ b/drivers/staging/vboxvideo/Makefile
@@ -0,0 +1,7 @@
+ccflags-y := -Iinclude/drm
+
+vboxvideo-y := hgsmi_base.o modesetting.o vbva_base.o \
+ vbox_drv.o vbox_fb.o vbox_hgsmi.o vbox_irq.o vbox_main.o \
+ vbox_mode.o vbox_prime.o vbox_ttm.o
+
+obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo.o
diff --git a/drivers/staging/vboxvideo/TODO b/drivers/staging/vboxvideo/TODO
new file mode 100644
index 0000000..ce76430
--- /dev/null
+++ b/drivers/staging/vboxvideo/TODO
@@ -0,0 +1,9 @@
+TODO:
+-Move the driver over to the atomic API
+-Stop using old load / unload drm_driver hooks
+-Get a full review from the drm-maintainers on dri-devel done on this driver
+-Extend this TODO with the results of that review
+
+Please send any patches to Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
+Hans de Goede <hdegoede@redhat.com> and
+Michael Thayer <michael.thayer@oracle.com>.
diff --git a/drivers/staging/vboxvideo/hgsmi_base.c b/drivers/staging/vboxvideo/hgsmi_base.c
new file mode 100644
index 0000000..15ff5f4
--- /dev/null
+++ b/drivers/staging/vboxvideo/hgsmi_base.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "vbox_drv.h"
+#include "vbox_err.h"
+#include "vboxvideo_guest.h"
+#include "vboxvideo_vbe.h"
+#include "hgsmi_channels.h"
+#include "hgsmi_ch_setup.h"
+
+/**
+ * Inform the host of the location of the host flags in VRAM via an HGSMI cmd.
+ * @param ctx the context of the guest heap to use.
+ * @param location the offset chosen for the flags within guest VRAM.
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location)
+{
+ struct hgsmi_buffer_location *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_HGSMI,
+ HGSMI_CC_HOST_FLAGS_LOCATION);
+ if (!p)
+ return -ENOMEM;
+
+ p->buf_location = location;
+ p->buf_len = sizeof(struct hgsmi_host_flags);
+
+ hgsmi_buffer_submit(ctx, p);
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
+
+/**
+ * Notify the host of HGSMI-related guest capabilities via an HGSMI command.
+ * @param ctx the context of the guest heap to use.
+ * @param caps the capabilities to report, see vbva_caps.
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps)
+{
+ struct vbva_caps *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_INFO_CAPS);
+ if (!p)
+ return -ENOMEM;
+
+ p->rc = VERR_NOT_IMPLEMENTED;
+ p->caps = caps;
+
+ hgsmi_buffer_submit(ctx, p);
+
+ WARN_ON_ONCE(RT_FAILURE(p->rc));
+
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
+
+int hgsmi_test_query_conf(struct gen_pool *ctx)
+{
+ u32 value = 0;
+ int ret;
+
+ ret = hgsmi_query_conf(ctx, U32_MAX, &value);
+ if (ret)
+ return ret;
+
+ return value == U32_MAX ? 0 : -EIO;
+}
+
+/**
+ * Query the host for an HGSMI configuration parameter via an HGSMI command.
+ * @param ctx the context containing the heap used
+ * @param index the index of the parameter to query,
+ * @see vbva_conf32::index
+ * @param value_ret where to store the value of the parameter on success
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret)
+{
+ struct vbva_conf32 *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA,
+ VBVA_QUERY_CONF32);
+ if (!p)
+ return -ENOMEM;
+
+ p->index = index;
+ p->value = U32_MAX;
+
+ hgsmi_buffer_submit(ctx, p);
+
+ *value_ret = p->value;
+
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
+
+/**
+ * Pass the host a new mouse pointer shape via an HGSMI command.
+ *
+ * @param ctx the context containing the heap to be used
+ * @param flags cursor flags, @see VMMDevReqMousePointer::flags
+ * @param hot_x horizontal position of the hot spot
+ * @param hot_y vertical position of the hot spot
+ * @param width width in pixels of the cursor
+ * @param height height in pixels of the cursor
+ * @param pixels pixel data, @see VMMDevReqMousePointer for the format
+ * @param len size in bytes of the pixel data
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags,
+ u32 hot_x, u32 hot_y, u32 width, u32 height,
+ u8 *pixels, u32 len)
+{
+ struct vbva_mouse_pointer_shape *p;
+ u32 pixel_len = 0;
+ int rc;
+
+ if (flags & VBOX_MOUSE_POINTER_SHAPE) {
+ /*
+ * Size of the pointer data:
+ * sizeof (AND mask) + sizeof (XOR_MASK)
+ */
+ pixel_len = ((((width + 7) / 8) * height + 3) & ~3) +
+ width * 4 * height;
+ if (pixel_len > len)
+ return -EINVAL;
+
+ /*
+ * If shape is supplied, then always create the pointer visible.
+ * See comments in 'vboxUpdatePointerShape'
+ */
+ flags |= VBOX_MOUSE_POINTER_VISIBLE;
+ }
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len, HGSMI_CH_VBVA,
+ VBVA_MOUSE_POINTER_SHAPE);
+ if (!p)
+ return -ENOMEM;
+
+ p->result = VINF_SUCCESS;
+ p->flags = flags;
+ p->hot_X = hot_x;
+ p->hot_y = hot_y;
+ p->width = width;
+ p->height = height;
+ if (pixel_len)
+ memcpy(p->data, pixels, pixel_len);
+
+ hgsmi_buffer_submit(ctx, p);
+
+ switch (p->result) {
+ case VINF_SUCCESS:
+ rc = 0;
+ break;
+ case VERR_NO_MEMORY:
+ rc = -ENOMEM;
+ break;
+ case VERR_NOT_SUPPORTED:
+ rc = -EBUSY;
+ break;
+ default:
+ rc = -EINVAL;
+ }
+
+ hgsmi_buffer_free(ctx, p);
+
+ return rc;
+}
+
+/**
+ * Report the guest cursor position. The host may wish to use this information
+ * to re-position its own cursor (though this is currently unlikely). The
+ * current host cursor position is returned.
+ * @param ctx The context containing the heap used.
+ * @param report_position Are we reporting a position?
+ * @param x Guest cursor X position.
+ * @param y Guest cursor Y position.
+ * @param x_host Host cursor X position is stored here. Optional.
+ * @param y_host Host cursor Y position is stored here. Optional.
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position,
+ u32 x, u32 y, u32 *x_host, u32 *y_host)
+{
+ struct vbva_cursor_position *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA,
+ VBVA_CURSOR_POSITION);
+ if (!p)
+ return -ENOMEM;
+
+ p->report_position = report_position;
+ p->x = x;
+ p->y = y;
+
+ hgsmi_buffer_submit(ctx, p);
+
+ *x_host = p->x;
+ *y_host = p->y;
+
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
+
+/**
+ * @todo Mouse pointer position to be read from VMMDev memory, address of the
+ * memory region can be queried from VMMDev via an IOCTL. This VMMDev memory
+ * region will contain host information which is needed by the guest.
+ *
+ * Reading will not cause a switch to the host.
+ *
+ * Have to take into account:
+ * * synchronization: host must write to the memory only from EMT,
+ * large structures must be read under flag, which tells the host
+ * that the guest is currently reading the memory (OWNER flag?).
+ * * guest writes: may be allocate a page for the host info and make
+ * the page readonly for the guest.
+ * * the information should be available only for additions drivers.
+ * * VMMDev additions driver will inform the host which version of the info
+ * it expects, host must support all versions.
+ */
diff --git a/drivers/staging/vboxvideo/hgsmi_ch_setup.h b/drivers/staging/vboxvideo/hgsmi_ch_setup.h
new file mode 100644
index 0000000..8e6d9e1
--- /dev/null
+++ b/drivers/staging/vboxvideo/hgsmi_ch_setup.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __HGSMI_CH_SETUP_H__
+#define __HGSMI_CH_SETUP_H__
+
+/*
+ * Tell the host the location of hgsmi_host_flags structure, where the host
+ * can write information about pending buffers, etc, and which can be quickly
+ * polled by the guest without a need to port IO.
+ */
+#define HGSMI_CC_HOST_FLAGS_LOCATION 0
+
+struct hgsmi_buffer_location {
+ u32 buf_location;
+ u32 buf_len;
+} __packed;
+
+/* HGSMI setup and configuration data structures. */
+/* host->guest commands pending, should be accessed under FIFO lock only */
+#define HGSMIHOSTFLAGS_COMMANDS_PENDING 0x01u
+/* IRQ is fired, should be accessed under VGAState::lock only */
+#define HGSMIHOSTFLAGS_IRQ 0x02u
+/* vsync interrupt flag, should be accessed under VGAState::lock only */
+#define HGSMIHOSTFLAGS_VSYNC 0x10u
+/** monitor hotplug flag, should be accessed under VGAState::lock only */
+#define HGSMIHOSTFLAGS_HOTPLUG 0x20u
+/**
+ * Cursor capability state change flag, should be accessed under
+ * VGAState::lock only. @see vbva_conf32.
+ */
+#define HGSMIHOSTFLAGS_CURSOR_CAPABILITIES 0x40u
+
+struct hgsmi_host_flags {
+ /*
+ * Host flags can be accessed and modified in multiple threads
+ * concurrently, e.g. CrOpenGL HGCM and GUI threads when completing
+ * HGSMI 3D and Video Accel respectively, EMT thread when dealing with
+ * HGSMI command processing, etc.
+ * Besides settings/cleaning flags atomically, some flags have their
+ * own special sync restrictions, see comments for flags above.
+ */
+ u32 host_flags;
+ u32 reserved[3];
+} __packed;
+
+#endif
diff --git a/drivers/staging/vboxvideo/hgsmi_channels.h b/drivers/staging/vboxvideo/hgsmi_channels.h
new file mode 100644
index 0000000..a2a34b2
--- /dev/null
+++ b/drivers/staging/vboxvideo/hgsmi_channels.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __HGSMI_CHANNELS_H__
+#define __HGSMI_CHANNELS_H__
+
+/*
+ * Each channel has an 8 bit identifier. There are a number of predefined
+ * (hardcoded) channels.
+ *
+ * HGSMI_CH_HGSMI channel can be used to map a string channel identifier
+ * to a free 16 bit numerical value. values are allocated in range
+ * [HGSMI_CH_STRING_FIRST;HGSMI_CH_STRING_LAST].
+ */
+
+/* A reserved channel value */
+#define HGSMI_CH_RESERVED 0x00
+/* HGCMI: setup and configuration */
+#define HGSMI_CH_HGSMI 0x01
+/* Graphics: VBVA */
+#define HGSMI_CH_VBVA 0x02
+/* Graphics: Seamless with a single guest region */
+#define HGSMI_CH_SEAMLESS 0x03
+/* Graphics: Seamless with separate host windows */
+#define HGSMI_CH_SEAMLESS2 0x04
+/* Graphics: OpenGL HW acceleration */
+#define HGSMI_CH_OPENGL 0x05
+
+/* The first channel index to be used for string mappings (inclusive) */
+#define HGSMI_CH_STRING_FIRST 0x20
+/* The last channel index for string mappings (inclusive) */
+#define HGSMI_CH_STRING_LAST 0xff
+
+#endif
diff --git a/drivers/staging/vboxvideo/hgsmi_defs.h b/drivers/staging/vboxvideo/hgsmi_defs.h
new file mode 100644
index 0000000..5b21fb9
--- /dev/null
+++ b/drivers/staging/vboxvideo/hgsmi_defs.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __HGSMI_DEFS_H__
+#define __HGSMI_DEFS_H__
+
+/* Buffer sequence type mask. */
+#define HGSMI_BUFFER_HEADER_F_SEQ_MASK 0x03
+/* Single buffer, not a part of a sequence. */
+#define HGSMI_BUFFER_HEADER_F_SEQ_SINGLE 0x00
+/* The first buffer in a sequence. */
+#define HGSMI_BUFFER_HEADER_F_SEQ_START 0x01
+/* A middle buffer in a sequence. */
+#define HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE 0x02
+/* The last buffer in a sequence. */
+#define HGSMI_BUFFER_HEADER_F_SEQ_END 0x03
+
+/* 16 bytes buffer header. */
+struct hgsmi_buffer_header {
+ u32 data_size; /* Size of data that follows the header. */
+ u8 flags; /* HGSMI_BUFFER_HEADER_F_* */
+ u8 channel; /* The channel the data must be routed to. */
+ u16 channel_info; /* Opaque to the HGSMI, used by the channel. */
+
+ union {
+ /* Opaque placeholder to make the union 8 bytes. */
+ u8 header_data[8];
+
+ /* HGSMI_BUFFER_HEADER_F_SEQ_SINGLE */
+ struct {
+ u32 reserved1; /* A reserved field, initialize to 0. */
+ u32 reserved2; /* A reserved field, initialize to 0. */
+ } buffer;
+
+ /* HGSMI_BUFFER_HEADER_F_SEQ_START */
+ struct {
+ /* Must be the same for all buffers in the sequence. */
+ u32 sequence_number;
+ /* The total size of the sequence. */
+ u32 sequence_size;
+ } sequence_start;
+
+ /*
+ * HGSMI_BUFFER_HEADER_F_SEQ_CONTINUE and
+ * HGSMI_BUFFER_HEADER_F_SEQ_END
+ */
+ struct {
+ /* Must be the same for all buffers in the sequence. */
+ u32 sequence_number;
+ /* Data offset in the entire sequence. */
+ u32 sequence_offset;
+ } sequence_continue;
+ } u;
+} __packed;
+
+/* 8 bytes buffer tail. */
+struct hgsmi_buffer_tail {
+ /* Reserved, must be initialized to 0. */
+ u32 reserved;
+ /*
+ * One-at-a-Time Hash: http://www.burtleburtle.net/bob/hash/doobs.html
+ * Over the header, offset and for first 4 bytes of the tail.
+ */
+ u32 checksum;
+} __packed;
+
+/*
+ * The size of the array of channels. Array indexes are u8.
+ * Note: the value must not be changed.
+ */
+#define HGSMI_NUMBER_OF_CHANNELS 0x100
+
+#endif
diff --git a/drivers/staging/vboxvideo/modesetting.c b/drivers/staging/vboxvideo/modesetting.c
new file mode 100644
index 0000000..7616b8a
--- /dev/null
+++ b/drivers/staging/vboxvideo/modesetting.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "vbox_drv.h"
+#include "vbox_err.h"
+#include "vboxvideo_guest.h"
+#include "vboxvideo_vbe.h"
+#include "hgsmi_channels.h"
+
+/**
+ * Set a video mode via an HGSMI request. The views must have been
+ * initialised first using @a VBoxHGSMISendViewInfo and if the mode is being
+ * set on the first display then it must be set first using registers.
+ * @param ctx The context containing the heap to use
+ * @param display The screen number
+ * @param origin_x The horizontal displacement relative to the first scrn
+ * @param origin_y The vertical displacement relative to the first screen
+ * @param start_offset The offset of the visible area of the framebuffer
+ * relative to the framebuffer start
+ * @param pitch The offset in bytes between the starts of two adjecent
+ * scan lines in video RAM
+ * @param width The mode width
+ * @param height The mode height
+ * @param bpp The colour depth of the mode
+ * @param flags Flags
+ */
+void hgsmi_process_display_info(struct gen_pool *ctx, u32 display,
+ s32 origin_x, s32 origin_y, u32 start_offset,
+ u32 pitch, u32 width, u32 height,
+ u16 bpp, u16 flags)
+{
+ struct vbva_infoscreen *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA,
+ VBVA_INFO_SCREEN);
+ if (!p)
+ return;
+
+ p->view_index = display;
+ p->origin_x = origin_x;
+ p->origin_y = origin_y;
+ p->start_offset = start_offset;
+ p->line_size = pitch;
+ p->width = width;
+ p->height = height;
+ p->bits_per_pixel = bpp;
+ p->flags = flags;
+
+ hgsmi_buffer_submit(ctx, p);
+ hgsmi_buffer_free(ctx, p);
+}
+
+/**
+ * Report the rectangle relative to which absolute pointer events should be
+ * expressed. This information remains valid until the next VBVA resize event
+ * for any screen, at which time it is reset to the bounding rectangle of all
+ * virtual screens.
+ * @param ctx The context containing the heap to use.
+ * @param origin_x Upper left X co-ordinate relative to the first screen.
+ * @param origin_y Upper left Y co-ordinate relative to the first screen.
+ * @param width Rectangle width.
+ * @param height Rectangle height.
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y,
+ u32 width, u32 height)
+{
+ struct vbva_report_input_mapping *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA,
+ VBVA_REPORT_INPUT_MAPPING);
+ if (!p)
+ return -ENOMEM;
+
+ p->x = origin_x;
+ p->y = origin_y;
+ p->cx = width;
+ p->cy = height;
+
+ hgsmi_buffer_submit(ctx, p);
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
+
+/**
+ * Get most recent video mode hints.
+ * @param ctx The context containing the heap to use.
+ * @param screens The number of screens to query hints for, starting at 0.
+ * @param hints Array of vbva_modehint structures for receiving the hints.
+ * @returns 0 on success, -errno on failure
+ */
+int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens,
+ struct vbva_modehint *hints)
+{
+ struct vbva_query_mode_hints *p;
+ size_t size;
+
+ if (WARN_ON(!hints))
+ return -EINVAL;
+
+ size = screens * sizeof(struct vbva_modehint);
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p) + size, HGSMI_CH_VBVA,
+ VBVA_QUERY_MODE_HINTS);
+ if (!p)
+ return -ENOMEM;
+
+ p->hints_queried_count = screens;
+ p->hint_structure_guest_size = sizeof(struct vbva_modehint);
+ p->rc = VERR_NOT_SUPPORTED;
+
+ hgsmi_buffer_submit(ctx, p);
+
+ if (RT_FAILURE(p->rc)) {
+ hgsmi_buffer_free(ctx, p);
+ return -EIO;
+ }
+
+ memcpy(hints, ((u8 *)p) + sizeof(struct vbva_query_mode_hints), size);
+ hgsmi_buffer_free(ctx, p);
+
+ return 0;
+}
diff --git a/drivers/staging/vboxvideo/vbox_drv.c b/drivers/staging/vboxvideo/vbox_drv.c
new file mode 100644
index 0000000..92ae156
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_drv.c
@@ -0,0 +1,286 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_drv.c
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Michael Thayer <michael.thayer@oracle.com,
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+#include <linux/module.h>
+#include <linux/console.h>
+#include <linux/vt_kern.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "vbox_drv.h"
+
+int vbox_modeset = -1;
+
+MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
+module_param_named(modeset, vbox_modeset, int, 0400);
+
+static struct drm_driver driver;
+
+static const struct pci_device_id pciidlist[] = {
+ { 0x80ee, 0xbeef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { 0, 0, 0},
+};
+MODULE_DEVICE_TABLE(pci, pciidlist);
+
+static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_pci_dev(pdev, ent, &driver);
+}
+
+static void vbox_pci_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ drm_put_dev(dev);
+}
+
+static int vbox_drm_freeze(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ drm_kms_helper_poll_disable(dev);
+
+ pci_save_state(dev->pdev);
+
+ drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, true);
+
+ return 0;
+}
+
+static int vbox_drm_thaw(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ drm_mode_config_reset(dev);
+ drm_helper_resume_force_mode(dev);
+ drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, false);
+
+ return 0;
+}
+
+static int vbox_drm_resume(struct drm_device *dev)
+{
+ int ret;
+
+ if (pci_enable_device(dev->pdev))
+ return -EIO;
+
+ ret = vbox_drm_thaw(dev);
+ if (ret)
+ return ret;
+
+ drm_kms_helper_poll_enable(dev);
+
+ return 0;
+}
+
+static int vbox_pm_suspend(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *ddev = pci_get_drvdata(pdev);
+ int error;
+
+ error = vbox_drm_freeze(ddev);
+ if (error)
+ return error;
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+
+ return 0;
+}
+
+static int vbox_pm_resume(struct device *dev)
+{
+ struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+
+ return vbox_drm_resume(ddev);
+}
+
+static int vbox_pm_freeze(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct drm_device *ddev = pci_get_drvdata(pdev);
+
+ if (!ddev || !ddev->dev_private)
+ return -ENODEV;
+
+ return vbox_drm_freeze(ddev);
+}
+
+static int vbox_pm_thaw(struct device *dev)
+{
+ struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+
+ return vbox_drm_thaw(ddev);
+}
+
+static int vbox_pm_poweroff(struct device *dev)
+{
+ struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev));
+
+ return vbox_drm_freeze(ddev);
+}
+
+static const struct dev_pm_ops vbox_pm_ops = {
+ .suspend = vbox_pm_suspend,
+ .resume = vbox_pm_resume,
+ .freeze = vbox_pm_freeze,
+ .thaw = vbox_pm_thaw,
+ .poweroff = vbox_pm_poweroff,
+ .restore = vbox_pm_resume,
+};
+
+static struct pci_driver vbox_pci_driver = {
+ .name = DRIVER_NAME,
+ .id_table = pciidlist,
+ .probe = vbox_pci_probe,
+ .remove = vbox_pci_remove,
+ .driver.pm = &vbox_pm_ops,
+};
+
+static const struct file_operations vbox_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = drm_ioctl,
+ .mmap = vbox_mmap,
+ .poll = drm_poll,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ .read = drm_read,
+};
+
+static int vbox_master_set(struct drm_device *dev,
+ struct drm_file *file_priv, bool from_open)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ /*
+ * We do not yet know whether the new owner can handle hotplug, so we
+ * do not advertise dynamic modes on the first query and send a
+ * tentative hotplug notification after that to see if they query again.
+ */
+ vbox->initial_mode_queried = false;
+
+ mutex_lock(&vbox->hw_mutex);
+ /*
+ * Disable VBVA when someone releases master in case the next person
+ * tries tries to do VESA.
+ */
+ /** @todo work out if anyone is likely to and whether it will work. */
+ /*
+ * Update: we also disable it because if the new master does not do
+ * dirty rectangle reporting (e.g. old versions of Plymouth) then at
+ * least the first screen will still be updated. We enable it as soon
+ * as we receive a dirty rectangle report.
+ */
+ vbox_disable_accel(vbox);
+ mutex_unlock(&vbox->hw_mutex);
+
+ return 0;
+}
+
+static void vbox_master_drop(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ /* See vbox_master_set() */
+ vbox->initial_mode_queried = false;
+
+ mutex_lock(&vbox->hw_mutex);
+ vbox_disable_accel(vbox);
+ mutex_unlock(&vbox->hw_mutex);
+}
+
+static struct drm_driver driver = {
+ .driver_features =
+ DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
+ DRIVER_PRIME,
+ .dev_priv_size = 0,
+
+ .load = vbox_driver_load,
+ .unload = vbox_driver_unload,
+ .lastclose = vbox_driver_lastclose,
+ .master_set = vbox_master_set,
+ .master_drop = vbox_master_drop,
+ .set_busid = drm_pci_set_busid,
+
+ .fops = &vbox_fops,
+ .irq_handler = vbox_irq_handler,
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+ .patchlevel = DRIVER_PATCHLEVEL,
+
+ .gem_free_object = vbox_gem_free_object,
+ .dumb_create = vbox_dumb_create,
+ .dumb_map_offset = vbox_dumb_mmap_offset,
+ .dumb_destroy = drm_gem_dumb_destroy,
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_export = drm_gem_prime_export,
+ .gem_prime_import = drm_gem_prime_import,
+ .gem_prime_pin = vbox_gem_prime_pin,
+ .gem_prime_unpin = vbox_gem_prime_unpin,
+ .gem_prime_get_sg_table = vbox_gem_prime_get_sg_table,
+ .gem_prime_import_sg_table = vbox_gem_prime_import_sg_table,
+ .gem_prime_vmap = vbox_gem_prime_vmap,
+ .gem_prime_vunmap = vbox_gem_prime_vunmap,
+ .gem_prime_mmap = vbox_gem_prime_mmap,
+};
+
+static int __init vbox_init(void)
+{
+#ifdef CONFIG_VGA_CONSOLE
+ if (vgacon_text_force() && vbox_modeset == -1)
+ return -EINVAL;
+#endif
+
+ if (vbox_modeset == 0)
+ return -EINVAL;
+
+ return drm_pci_init(&driver, &vbox_pci_driver);
+}
+
+static void __exit vbox_exit(void)
+{
+ drm_pci_exit(&driver, &vbox_pci_driver);
+}
+
+module_init(vbox_init);
+module_exit(vbox_exit);
+
+MODULE_AUTHOR("Oracle Corporation");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/staging/vboxvideo/vbox_drv.h b/drivers/staging/vboxvideo/vbox_drv.h
new file mode 100644
index 0000000..4b93027
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_drv.h
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_drv.h
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Michael Thayer <michael.thayer@oracle.com,
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+#ifndef __VBOX_DRV_H__
+#define __VBOX_DRV_H__
+
+#include <linux/genalloc.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/version.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_gem.h>
+
+#include <drm/ttm/ttm_bo_api.h>
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/ttm/ttm_memory.h>
+#include <drm/ttm/ttm_module.h>
+
+#include "vboxvideo_guest.h"
+#include "vboxvideo_vbe.h"
+#include "hgsmi_ch_setup.h"
+
+#define DRIVER_NAME "vboxvideo"
+#define DRIVER_DESC "Oracle VM VirtualBox Graphics Card"
+#define DRIVER_DATE "20130823"
+
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
+
+#define VBOX_MAX_CURSOR_WIDTH 64
+#define VBOX_MAX_CURSOR_HEIGHT 64
+#define CURSOR_PIXEL_COUNT (VBOX_MAX_CURSOR_WIDTH * VBOX_MAX_CURSOR_HEIGHT)
+#define CURSOR_DATA_SIZE (CURSOR_PIXEL_COUNT * 4 + CURSOR_PIXEL_COUNT / 8)
+
+#define VBOX_MAX_SCREENS 32
+
+#define GUEST_HEAP_OFFSET(vbox) ((vbox)->full_vram_size - \
+ VBVA_ADAPTER_INFORMATION_SIZE)
+#define GUEST_HEAP_SIZE VBVA_ADAPTER_INFORMATION_SIZE
+#define GUEST_HEAP_USABLE_SIZE (VBVA_ADAPTER_INFORMATION_SIZE - \
+ sizeof(struct hgsmi_host_flags))
+#define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE
+
+struct vbox_fbdev;
+
+struct vbox_private {
+ struct drm_device *dev;
+
+ u8 __iomem *guest_heap;
+ u8 __iomem *vbva_buffers;
+ struct gen_pool *guest_pool;
+ struct vbva_buf_ctx *vbva_info;
+ bool any_pitch;
+ u32 num_crtcs;
+ /** Amount of available VRAM, including space used for buffers. */
+ u32 full_vram_size;
+ /** Amount of available VRAM, not including space used for buffers. */
+ u32 available_vram_size;
+ /** Array of structures for receiving mode hints. */
+ struct vbva_modehint *last_mode_hints;
+
+ struct vbox_fbdev *fbdev;
+
+ int fb_mtrr;
+
+ struct {
+ struct drm_global_reference mem_global_ref;
+ struct ttm_bo_global_ref bo_global_ref;
+ struct ttm_bo_device bdev;
+ } ttm;
+
+ struct mutex hw_mutex; /* protects modeset and accel/vbva accesses */
+ /**
+ * We decide whether or not user-space supports display hot-plug
+ * depending on whether they react to a hot-plug event after the initial
+ * mode query.
+ */
+ bool initial_mode_queried;
+ struct work_struct hotplug_work;
+ u32 input_mapping_width;
+ u32 input_mapping_height;
+ /**
+ * Is user-space using an X.Org-style layout of one large frame-buffer
+ * encompassing all screen ones or is the fbdev console active?
+ */
+ bool single_framebuffer;
+ u32 cursor_width;
+ u32 cursor_height;
+ u32 cursor_hot_x;
+ u32 cursor_hot_y;
+ size_t cursor_data_size;
+ u8 cursor_data[CURSOR_DATA_SIZE];
+};
+
+#undef CURSOR_PIXEL_COUNT
+#undef CURSOR_DATA_SIZE
+
+int vbox_driver_load(struct drm_device *dev, unsigned long flags);
+void vbox_driver_unload(struct drm_device *dev);
+void vbox_driver_lastclose(struct drm_device *dev);
+
+struct vbox_gem_object;
+
+struct vbox_connector {
+ struct drm_connector base;
+ char name[32];
+ struct vbox_crtc *vbox_crtc;
+ struct {
+ u16 width;
+ u16 height;
+ bool disconnected;
+ } mode_hint;
+};
+
+struct vbox_crtc {
+ struct drm_crtc base;
+ bool blanked;
+ bool disconnected;
+ unsigned int crtc_id;
+ u32 fb_offset;
+ bool cursor_enabled;
+ u16 x_hint;
+ u16 y_hint;
+};
+
+struct vbox_encoder {
+ struct drm_encoder base;
+};
+
+struct vbox_framebuffer {
+ struct drm_framebuffer base;
+ struct drm_gem_object *obj;
+};
+
+struct vbox_fbdev {
+ struct drm_fb_helper helper;
+ struct vbox_framebuffer afb;
+ int size;
+ struct ttm_bo_kmap_obj mapping;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
+};
+
+#define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base)
+#define to_vbox_connector(x) container_of(x, struct vbox_connector, base)
+#define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base)
+#define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base)
+
+int vbox_mode_init(struct drm_device *dev);
+void vbox_mode_fini(struct drm_device *dev);
+
+#define DRM_MODE_FB_CMD drm_mode_fb_cmd2
+#define CRTC_FB(crtc) ((crtc)->primary->fb)
+
+void vbox_enable_accel(struct vbox_private *vbox);
+void vbox_disable_accel(struct vbox_private *vbox);
+void vbox_report_caps(struct vbox_private *vbox);
+
+void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
+ struct drm_clip_rect *rects,
+ unsigned int num_rects);
+
+int vbox_framebuffer_init(struct drm_device *dev,
+ struct vbox_framebuffer *vbox_fb,
+ const struct DRM_MODE_FB_CMD *mode_cmd,
+ struct drm_gem_object *obj);
+
+int vbox_fbdev_init(struct drm_device *dev);
+void vbox_fbdev_fini(struct drm_device *dev);
+void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr);
+
+struct vbox_bo {
+ struct ttm_buffer_object bo;
+ struct ttm_placement placement;
+ struct ttm_bo_kmap_obj kmap;
+ struct drm_gem_object gem;
+ struct ttm_place placements[3];
+ int pin_count;
+};
+
+#define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem)
+
+static inline struct vbox_bo *vbox_bo(struct ttm_buffer_object *bo)
+{
+ return container_of(bo, struct vbox_bo, bo);
+}
+
+#define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base)
+
+int vbox_dumb_create(struct drm_file *file,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+
+void vbox_gem_free_object(struct drm_gem_object *obj);
+int vbox_dumb_mmap_offset(struct drm_file *file,
+ struct drm_device *dev,
+ u32 handle, u64 *offset);
+
+#define DRM_FILE_PAGE_OFFSET (0x10000000ULL >> PAGE_SHIFT)
+
+int vbox_mm_init(struct vbox_private *vbox);
+void vbox_mm_fini(struct vbox_private *vbox);
+
+int vbox_bo_create(struct drm_device *dev, int size, int align,
+ u32 flags, struct vbox_bo **pvboxbo);
+
+int vbox_gem_create(struct drm_device *dev,
+ u32 size, bool iskernel, struct drm_gem_object **obj);
+
+int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr);
+int vbox_bo_unpin(struct vbox_bo *bo);
+
+static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait)
+{
+ int ret;
+
+ ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
+ if (ret) {
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
+ DRM_ERROR("reserve failed %p\n", bo);
+ return ret;
+ }
+ return 0;
+}
+
+static inline void vbox_bo_unreserve(struct vbox_bo *bo)
+{
+ ttm_bo_unreserve(&bo->bo);
+}
+
+void vbox_ttm_placement(struct vbox_bo *bo, int domain);
+int vbox_bo_push_sysram(struct vbox_bo *bo);
+int vbox_mmap(struct file *filp, struct vm_area_struct *vma);
+
+/* vbox_prime.c */
+int vbox_gem_prime_pin(struct drm_gem_object *obj);
+void vbox_gem_prime_unpin(struct drm_gem_object *obj);
+struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj);
+struct drm_gem_object *vbox_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *table);
+void *vbox_gem_prime_vmap(struct drm_gem_object *obj);
+void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int vbox_gem_prime_mmap(struct drm_gem_object *obj,
+ struct vm_area_struct *area);
+
+/* vbox_irq.c */
+int vbox_irq_init(struct vbox_private *vbox);
+void vbox_irq_fini(struct vbox_private *vbox);
+void vbox_report_hotplug(struct vbox_private *vbox);
+irqreturn_t vbox_irq_handler(int irq, void *arg);
+
+/* vbox_hgsmi.c */
+void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size,
+ u8 channel, u16 channel_info);
+void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf);
+int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf);
+
+static inline void vbox_write_ioport(u16 index, u16 data)
+{
+ outw(index, VBE_DISPI_IOPORT_INDEX);
+ outw(data, VBE_DISPI_IOPORT_DATA);
+}
+
+#endif
diff --git a/drivers/staging/vboxvideo/vbox_err.h b/drivers/staging/vboxvideo/vbox_err.h
new file mode 100644
index 0000000..562db86
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_err.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VBOX_ERR_H__
+#define __VBOX_ERR_H__
+
+/**
+ * @name VirtualBox virtual-hardware error macros
+ * @{
+ */
+
+#define VINF_SUCCESS 0
+#define VERR_INVALID_PARAMETER (-2)
+#define VERR_INVALID_POINTER (-6)
+#define VERR_NO_MEMORY (-8)
+#define VERR_NOT_IMPLEMENTED (-12)
+#define VERR_INVALID_FUNCTION (-36)
+#define VERR_NOT_SUPPORTED (-37)
+#define VERR_TOO_MUCH_DATA (-42)
+#define VERR_INVALID_STATE (-79)
+#define VERR_OUT_OF_RESOURCES (-80)
+#define VERR_ALREADY_EXISTS (-105)
+#define VERR_INTERNAL_ERROR (-225)
+
+#define RT_SUCCESS_NP(rc) ((int)(rc) >= VINF_SUCCESS)
+#define RT_SUCCESS(rc) (likely(RT_SUCCESS_NP(rc)))
+#define RT_FAILURE(rc) (unlikely(!RT_SUCCESS_NP(rc)))
+
+/** @} */
+
+#endif
diff --git a/drivers/staging/vboxvideo/vbox_fb.c b/drivers/staging/vboxvideo/vbox_fb.c
new file mode 100644
index 0000000..35f6d9f
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_fb.c
@@ -0,0 +1,412 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_fb.c
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Michael Thayer <michael.thayer@oracle.com,
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/sysrq.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "vbox_drv.h"
+#include "vboxvideo.h"
+
+#define VBOX_DIRTY_DELAY (HZ / 30)
+/**
+ * Tell the host about dirty rectangles to update.
+ */
+static void vbox_dirty_update(struct vbox_fbdev *fbdev,
+ int x, int y, int width, int height)
+{
+ struct drm_gem_object *obj;
+ struct vbox_bo *bo;
+ int ret = -EBUSY;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;
+ struct drm_clip_rect rect;
+
+ obj = fbdev->afb.obj;
+ bo = gem_to_vbox_bo(obj);
+
+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
+ if (drm_can_sleep())
+ ret = vbox_bo_reserve(bo, true);
+ if (ret) {
+ if (ret != -EBUSY)
+ return;
+
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&fbdev->dirty_lock, flags);
+
+ if (fbdev->y1 < y)
+ y = fbdev->y1;
+ if (fbdev->y2 > y2)
+ y2 = fbdev->y2;
+ if (fbdev->x1 < x)
+ x = fbdev->x1;
+ if (fbdev->x2 > x2)
+ x2 = fbdev->x2;
+
+ if (store_for_later) {
+ fbdev->x1 = x;
+ fbdev->x2 = x2;
+ fbdev->y1 = y;
+ fbdev->y2 = y2;
+ spin_unlock_irqrestore(&fbdev->dirty_lock, flags);
+ return;
+ }
+
+ fbdev->x1 = INT_MAX;
+ fbdev->y1 = INT_MAX;
+ fbdev->x2 = 0;
+ fbdev->y2 = 0;
+
+ spin_unlock_irqrestore(&fbdev->dirty_lock, flags);
+
+ /*
+ * Not sure why the original code subtracted 1 here, but I will keep
+ * it that way to avoid unnecessary differences.
+ */
+ rect.x1 = x;
+ rect.x2 = x2 + 1;
+ rect.y1 = y;
+ rect.y2 = y2 + 1;
+ vbox_framebuffer_dirty_rectangles(&fbdev->afb.base, &rect, 1);
+
+ vbox_bo_unreserve(bo);
+}
+
+#ifdef CONFIG_FB_DEFERRED_IO
+static void vbox_deferred_io(struct fb_info *info, struct list_head *pagelist)
+{
+ struct vbox_fbdev *fbdev = info->par;
+ unsigned long start, end, min, max;
+ struct page *page;
+ int y1, y2;
+
+ min = ULONG_MAX;
+ max = 0;
+ list_for_each_entry(page, pagelist, lru) {
+ start = page->index << PAGE_SHIFT;
+ end = start + PAGE_SIZE - 1;
+ min = min(min, start);
+ max = max(max, end);
+ }
+
+ if (min < max) {
+ y1 = min / info->fix.line_length;
+ y2 = (max / info->fix.line_length) + 1;
+ DRM_INFO("%s: Calling dirty update: 0, %d, %d, %d\n",
+ __func__, y1, info->var.xres, y2 - y1 - 1);
+ vbox_dirty_update(fbdev, 0, y1, info->var.xres, y2 - y1 - 1);
+ }
+}
+
+static struct fb_deferred_io vbox_defio = {
+ .delay = VBOX_DIRTY_DELAY,
+ .deferred_io = vbox_deferred_io,
+};
+#endif
+
+static void vbox_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+{
+ struct vbox_fbdev *fbdev = info->par;
+
+ sys_fillrect(info, rect);
+ vbox_dirty_update(fbdev, rect->dx, rect->dy, rect->width, rect->height);
+}
+
+static void vbox_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+{
+ struct vbox_fbdev *fbdev = info->par;
+
+ sys_copyarea(info, area);
+ vbox_dirty_update(fbdev, area->dx, area->dy, area->width, area->height);
+}
+
+static void vbox_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+ struct vbox_fbdev *fbdev = info->par;
+
+ sys_imageblit(info, image);
+ vbox_dirty_update(fbdev, image->dx, image->dy, image->width,
+ image->height);
+}
+
+static struct fb_ops vboxfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = drm_fb_helper_check_var,
+ .fb_set_par = drm_fb_helper_set_par,
+ .fb_fillrect = vbox_fillrect,
+ .fb_copyarea = vbox_copyarea,
+ .fb_imageblit = vbox_imageblit,
+ .fb_pan_display = drm_fb_helper_pan_display,
+ .fb_blank = drm_fb_helper_blank,
+ .fb_setcmap = drm_fb_helper_setcmap,
+ .fb_debug_enter = drm_fb_helper_debug_enter,
+ .fb_debug_leave = drm_fb_helper_debug_leave,
+};
+
+static int vboxfb_create_object(struct vbox_fbdev *fbdev,
+ struct DRM_MODE_FB_CMD *mode_cmd,
+ struct drm_gem_object **gobj_p)
+{
+ struct drm_device *dev = fbdev->helper.dev;
+ u32 size;
+ struct drm_gem_object *gobj;
+ u32 pitch = mode_cmd->pitches[0];
+ int ret;
+
+ size = pitch * mode_cmd->height;
+ ret = vbox_gem_create(dev, size, true, &gobj);
+ if (ret)
+ return ret;
+
+ *gobj_p = gobj;
+
+ return 0;
+}
+
+static int vboxfb_create(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct vbox_fbdev *fbdev =
+ container_of(helper, struct vbox_fbdev, helper);
+ struct drm_device *dev = fbdev->helper.dev;
+ struct DRM_MODE_FB_CMD mode_cmd;
+ struct drm_framebuffer *fb;
+ struct fb_info *info;
+ struct device *device = &dev->pdev->dev;
+ struct drm_gem_object *gobj;
+ struct vbox_bo *bo;
+ int size, ret;
+ u32 pitch;
+
+ mode_cmd.width = sizes->surface_width;
+ mode_cmd.height = sizes->surface_height;
+ pitch = mode_cmd.width * ((sizes->surface_bpp + 7) / 8);
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+ sizes->surface_depth);
+ mode_cmd.pitches[0] = pitch;
+
+ size = pitch * mode_cmd.height;
+
+ ret = vboxfb_create_object(fbdev, &mode_cmd, &gobj);
+ if (ret) {
+ DRM_ERROR("failed to create fbcon backing object %d\n", ret);
+ return ret;
+ }
+
+ ret = vbox_framebuffer_init(dev, &fbdev->afb, &mode_cmd, gobj);
+ if (ret)
+ return ret;
+
+ bo = gem_to_vbox_bo(gobj);
+
+ ret = vbox_bo_reserve(bo, false);
+ if (ret)
+ return ret;
+
+ ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL);
+ if (ret) {
+ vbox_bo_unreserve(bo);
+ return ret;
+ }
+
+ ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
+ vbox_bo_unreserve(bo);
+ if (ret) {
+ DRM_ERROR("failed to kmap fbcon\n");
+ return ret;
+ }
+
+ info = framebuffer_alloc(0, device);
+ if (!info)
+ return -ENOMEM;
+ info->par = fbdev;
+
+ fbdev->size = size;
+
+ fb = &fbdev->afb.base;
+ fbdev->helper.fb = fb;
+ fbdev->helper.fbdev = info;
+
+ strcpy(info->fix.id, "vboxdrmfb");
+
+ /*
+ * The last flag forces a mode set on VT switches even if the kernel
+ * does not think it is needed.
+ */
+ info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT |
+ FBINFO_MISC_ALWAYS_SETPAR;
+ info->fbops = &vboxfb_ops;
+
+ ret = fb_alloc_cmap(&info->cmap, 256, 0);
+ if (ret)
+ return -ENOMEM;
+
+ /*
+ * This seems to be done for safety checking that the framebuffer
+ * is not registered twice by different drivers.
+ */
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures)
+ return -ENOMEM;
+ info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0);
+ info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
+
+ drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
+ drm_fb_helper_fill_var(info, &fbdev->helper, sizes->fb_width,
+ sizes->fb_height);
+
+ info->screen_base = bo->kmap.virtual;
+ info->screen_size = size;
+
+#ifdef CONFIG_FB_DEFERRED_IO
+ info->fbdefio = &vbox_defio;
+ fb_deferred_io_init(info);
+#endif
+
+ info->pixmap.flags = FB_PIXMAP_SYSTEM;
+
+ DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height);
+
+ return 0;
+}
+
+static void vbox_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
+ u16 blue, int regno)
+{
+}
+
+static void vbox_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
+ u16 *blue, int regno)
+{
+ *red = regno;
+ *green = regno;
+ *blue = regno;
+}
+
+static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
+ .gamma_set = vbox_fb_gamma_set,
+ .gamma_get = vbox_fb_gamma_get,
+ .fb_probe = vboxfb_create,
+};
+
+void vbox_fbdev_fini(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+ struct vbox_fbdev *fbdev = vbox->fbdev;
+ struct vbox_framebuffer *afb = &fbdev->afb;
+
+ drm_fb_helper_unregister_fbi(&fbdev->helper);
+
+ if (afb->obj) {
+ struct vbox_bo *bo = gem_to_vbox_bo(afb->obj);
+
+ if (!vbox_bo_reserve(bo, false)) {
+ if (bo->kmap.virtual)
+ ttm_bo_kunmap(&bo->kmap);
+ /*
+ * QXL does this, but is it really needed before
+ * freeing?
+ */
+ if (bo->pin_count)
+ vbox_bo_unpin(bo);
+ vbox_bo_unreserve(bo);
+ }
+ drm_gem_object_unreference_unlocked(afb->obj);
+ afb->obj = NULL;
+ }
+ drm_fb_helper_fini(&fbdev->helper);
+
+ drm_framebuffer_unregister_private(&afb->base);
+ drm_framebuffer_cleanup(&afb->base);
+}
+
+int vbox_fbdev_init(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+ struct vbox_fbdev *fbdev;
+ int ret;
+
+ fbdev = devm_kzalloc(dev->dev, sizeof(*fbdev), GFP_KERNEL);
+ if (!fbdev)
+ return -ENOMEM;
+
+ vbox->fbdev = fbdev;
+ spin_lock_init(&fbdev->dirty_lock);
+
+ drm_fb_helper_prepare(dev, &fbdev->helper, &vbox_fb_helper_funcs);
+ ret = drm_fb_helper_init(dev, &fbdev->helper, vbox->num_crtcs);
+ if (ret)
+ return ret;
+
+ ret = drm_fb_helper_single_add_all_connectors(&fbdev->helper);
+ if (ret)
+ goto err_fini;
+
+ /* disable all the possible outputs/crtcs before entering KMS mode */
+ drm_helper_disable_unused_functions(dev);
+
+ ret = drm_fb_helper_initial_config(&fbdev->helper, 32);
+ if (ret)
+ goto err_fini;
+
+ return 0;
+
+err_fini:
+ drm_fb_helper_fini(&fbdev->helper);
+ return ret;
+}
+
+void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr)
+{
+ struct fb_info *fbdev = vbox->fbdev->helper.fbdev;
+
+ fbdev->fix.smem_start = fbdev->apertures->ranges[0].base + gpu_addr;
+ fbdev->fix.smem_len = vbox->available_vram_size - gpu_addr;
+}
diff --git a/drivers/staging/vboxvideo/vbox_hgsmi.c b/drivers/staging/vboxvideo/vbox_hgsmi.c
new file mode 100644
index 0000000..822fd31
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_hgsmi.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include "vbox_drv.h"
+#include "vboxvideo_vbe.h"
+#include "hgsmi_defs.h"
+
+/* One-at-a-Time Hash from http://www.burtleburtle.net/bob/hash/doobs.html */
+static u32 hgsmi_hash_process(u32 hash, const u8 *data, int size)
+{
+ while (size--) {
+ hash += *data++;
+ hash += (hash << 10);
+ hash ^= (hash >> 6);
+ }
+
+ return hash;
+}
+
+static u32 hgsmi_hash_end(u32 hash)
+{
+ hash += (hash << 3);
+ hash ^= (hash >> 11);
+ hash += (hash << 15);
+
+ return hash;
+}
+
+/* Not really a checksum but that is the naming used in all vbox code */
+static u32 hgsmi_checksum(u32 offset,
+ const struct hgsmi_buffer_header *header,
+ const struct hgsmi_buffer_tail *tail)
+{
+ u32 checksum;
+
+ checksum = hgsmi_hash_process(0, (u8 *)&offset, sizeof(offset));
+ checksum = hgsmi_hash_process(checksum, (u8 *)header, sizeof(*header));
+ /* 4 -> Do not checksum the checksum itself */
+ checksum = hgsmi_hash_process(checksum, (u8 *)tail, 4);
+
+ return hgsmi_hash_end(checksum);
+}
+
+void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size,
+ u8 channel, u16 channel_info)
+{
+ struct hgsmi_buffer_header *h;
+ struct hgsmi_buffer_tail *t;
+ size_t total_size;
+ dma_addr_t offset;
+
+ total_size = size + sizeof(*h) + sizeof(*t);
+ h = gen_pool_dma_alloc(guest_pool, total_size, &offset);
+ if (!h)
+ return NULL;
+
+ t = (struct hgsmi_buffer_tail *)((u8 *)h + sizeof(*h) + size);
+
+ h->flags = HGSMI_BUFFER_HEADER_F_SEQ_SINGLE;
+ h->data_size = size;
+ h->channel = channel;
+ h->channel_info = channel_info;
+ memset(&h->u.header_data, 0, sizeof(h->u.header_data));
+
+ t->reserved = 0;
+ t->checksum = hgsmi_checksum(offset, h, t);
+
+ return (u8 *)h + sizeof(*h);
+}
+
+void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf)
+{
+ struct hgsmi_buffer_header *h =
+ (struct hgsmi_buffer_header *)((u8 *)buf - sizeof(*h));
+ size_t total_size = h->data_size + sizeof(*h) +
+ sizeof(struct hgsmi_buffer_tail);
+
+ gen_pool_free(guest_pool, (unsigned long)h, total_size);
+}
+
+int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf)
+{
+ phys_addr_t offset;
+
+ offset = gen_pool_virt_to_phys(guest_pool, (unsigned long)buf -
+ sizeof(struct hgsmi_buffer_header));
+ outl(offset, VGA_PORT_HGSMI_GUEST);
+ /* Make the compiler aware that the host has changed memory. */
+ mb();
+
+ return 0;
+}
diff --git a/drivers/staging/vboxvideo/vbox_irq.c b/drivers/staging/vboxvideo/vbox_irq.c
new file mode 100644
index 0000000..3ca8bec
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_irq.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2016-2017 Oracle Corporation
+ * This file is based on qxl_irq.c
+ * Copyright 2013 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alon Levy
+ * Michael Thayer <michael.thayer@oracle.com,
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include <drm/drm_crtc_helper.h>
+
+#include "vbox_drv.h"
+#include "vboxvideo.h"
+
+static void vbox_clear_irq(void)
+{
+ outl((u32)~0, VGA_PORT_HGSMI_HOST);
+}
+
+static u32 vbox_get_flags(struct vbox_private *vbox)
+{
+ return readl(vbox->guest_heap + HOST_FLAGS_OFFSET);
+}
+
+void vbox_report_hotplug(struct vbox_private *vbox)
+{
+ schedule_work(&vbox->hotplug_work);
+}
+
+irqreturn_t vbox_irq_handler(int irq, void *arg)
+{
+ struct drm_device *dev = (struct drm_device *)arg;
+ struct vbox_private *vbox = (struct vbox_private *)dev->dev_private;
+ u32 host_flags = vbox_get_flags(vbox);
+
+ if (!(host_flags & HGSMIHOSTFLAGS_IRQ))
+ return IRQ_NONE;
+
+ /*
+ * Due to a bug in the initial host implementation of hot-plug irqs,
+ * the hot-plug and cursor capability flags were never cleared.
+ * Fortunately we can tell when they would have been set by checking
+ * that the VSYNC flag is not set.
+ */
+ if (host_flags &
+ (HGSMIHOSTFLAGS_HOTPLUG | HGSMIHOSTFLAGS_CURSOR_CAPABILITIES) &&
+ !(host_flags & HGSMIHOSTFLAGS_VSYNC))
+ vbox_report_hotplug(vbox);
+
+ vbox_clear_irq();
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * Check that the position hints provided by the host are suitable for GNOME
+ * shell (i.e. all screens disjoint and hints for all enabled screens) and if
+ * not replace them with default ones. Providing valid hints improves the
+ * chances that we will get a known screen layout for pointer mapping.
+ */
+static void validate_or_set_position_hints(struct vbox_private *vbox)
+{
+ struct vbva_modehint *hintsi, *hintsj;
+ bool valid = true;
+ u16 currentx = 0;
+ int i, j;
+
+ for (i = 0; i < vbox->num_crtcs; ++i) {
+ for (j = 0; j < i; ++j) {
+ hintsi = &vbox->last_mode_hints[i];
+ hintsj = &vbox->last_mode_hints[j];
+
+ if (hintsi->enabled && hintsj->enabled) {
+ if (hintsi->dx >= 0xffff ||
+ hintsi->dy >= 0xffff ||
+ hintsj->dx >= 0xffff ||
+ hintsj->dy >= 0xffff ||
+ (hintsi->dx <
+ hintsj->dx + (hintsj->cx & 0x8fff) &&
+ hintsi->dx + (hintsi->cx & 0x8fff) >
+ hintsj->dx) ||
+ (hintsi->dy <
+ hintsj->dy + (hintsj->cy & 0x8fff) &&
+ hintsi->dy + (hintsi->cy & 0x8fff) >
+ hintsj->dy))
+ valid = false;
+ }
+ }
+ }
+ if (!valid)
+ for (i = 0; i < vbox->num_crtcs; ++i) {
+ if (vbox->last_mode_hints[i].enabled) {
+ vbox->last_mode_hints[i].dx = currentx;
+ vbox->last_mode_hints[i].dy = 0;
+ currentx +=
+ vbox->last_mode_hints[i].cx & 0x8fff;
+ }
+ }
+}
+
+/**
+ * Query the host for the most recent video mode hints.
+ */
+static void vbox_update_mode_hints(struct vbox_private *vbox)
+{
+ struct drm_device *dev = vbox->dev;
+ struct drm_connector *connector;
+ struct vbox_connector *vbox_conn;
+ struct vbva_modehint *hints;
+ u16 flags;
+ bool disconnected;
+ unsigned int crtc_id;
+ int ret;
+
+ ret = hgsmi_get_mode_hints(vbox->guest_pool, vbox->num_crtcs,
+ vbox->last_mode_hints);
+ if (ret) {
+ DRM_ERROR("vboxvideo: hgsmi_get_mode_hints failed: %d\n", ret);
+ return;
+ }
+
+ validate_or_set_position_hints(vbox);
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ vbox_conn = to_vbox_connector(connector);
+
+ hints = &vbox->last_mode_hints[vbox_conn->vbox_crtc->crtc_id];
+ if (hints->magic != VBVAMODEHINT_MAGIC)
+ continue;
+
+ disconnected = !(hints->enabled);
+ crtc_id = vbox_conn->vbox_crtc->crtc_id;
+ vbox_conn->mode_hint.width = hints->cx & 0x8fff;
+ vbox_conn->mode_hint.height = hints->cy & 0x8fff;
+ vbox_conn->vbox_crtc->x_hint = hints->dx;
+ vbox_conn->vbox_crtc->y_hint = hints->dy;
+ vbox_conn->mode_hint.disconnected = disconnected;
+
+ if (vbox_conn->vbox_crtc->disconnected == disconnected)
+ continue;
+
+ if (disconnected)
+ flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED;
+ else
+ flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_BLANK;
+
+ hgsmi_process_display_info(vbox->guest_pool, crtc_id, 0, 0, 0,
+ hints->cx * 4, hints->cx,
+ hints->cy, 0, flags);
+
+ vbox_conn->vbox_crtc->disconnected = disconnected;
+ }
+ drm_modeset_unlock_all(dev);
+}
+
+static void vbox_hotplug_worker(struct work_struct *work)
+{
+ struct vbox_private *vbox = container_of(work, struct vbox_private,
+ hotplug_work);
+
+ vbox_update_mode_hints(vbox);
+ drm_kms_helper_hotplug_event(vbox->dev);
+}
+
+int vbox_irq_init(struct vbox_private *vbox)
+{
+ INIT_WORK(&vbox->hotplug_work, vbox_hotplug_worker);
+ vbox_update_mode_hints(vbox);
+
+ return drm_irq_install(vbox->dev, vbox->dev->pdev->irq);
+}
+
+void vbox_irq_fini(struct vbox_private *vbox)
+{
+ drm_irq_uninstall(vbox->dev);
+ flush_work(&vbox->hotplug_work);
+}
diff --git a/drivers/staging/vboxvideo/vbox_main.c b/drivers/staging/vboxvideo/vbox_main.c
new file mode 100644
index 0000000..d0c6ec7
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_main.c
@@ -0,0 +1,534 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_main.c
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>,
+ * Michael Thayer <michael.thayer@oracle.com,
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "vbox_drv.h"
+#include "vbox_err.h"
+#include "vboxvideo_guest.h"
+#include "vboxvideo_vbe.h"
+
+static void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb)
+{
+ struct vbox_framebuffer *vbox_fb = to_vbox_framebuffer(fb);
+
+ if (vbox_fb->obj)
+ drm_gem_object_unreference_unlocked(vbox_fb->obj);
+
+ drm_framebuffer_cleanup(fb);
+ kfree(fb);
+}
+
+void vbox_enable_accel(struct vbox_private *vbox)
+{
+ unsigned int i;
+ struct vbva_buffer *vbva;
+
+ if (!vbox->vbva_info || !vbox->vbva_buffers) {
+ /* Should never happen... */
+ DRM_ERROR("vboxvideo: failed to set up VBVA.\n");
+ return;
+ }
+
+ for (i = 0; i < vbox->num_crtcs; ++i) {
+ if (vbox->vbva_info[i].vbva)
+ continue;
+
+ vbva = (void *)vbox->vbva_buffers + i * VBVA_MIN_BUFFER_SIZE;
+ if (!vbva_enable(&vbox->vbva_info[i],
+ vbox->guest_pool, vbva, i)) {
+ /* very old host or driver error. */
+ DRM_ERROR("vboxvideo: vbva_enable failed\n");
+ return;
+ }
+ }
+}
+
+void vbox_disable_accel(struct vbox_private *vbox)
+{
+ unsigned int i;
+
+ for (i = 0; i < vbox->num_crtcs; ++i)
+ vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i);
+}
+
+void vbox_report_caps(struct vbox_private *vbox)
+{
+ u32 caps = VBVACAPS_DISABLE_CURSOR_INTEGRATION |
+ VBVACAPS_IRQ | VBVACAPS_USE_VBVA_ONLY;
+
+ if (vbox->initial_mode_queried)
+ caps |= VBVACAPS_VIDEO_MODE_HINTS;
+
+ hgsmi_send_caps_info(vbox->guest_pool, caps);
+}
+
+/**
+ * Send information about dirty rectangles to VBVA. If necessary we enable
+ * VBVA first, as this is normally disabled after a change of master in case
+ * the new master does not send dirty rectangle information (is this even
+ * allowed?)
+ */
+void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
+ struct drm_clip_rect *rects,
+ unsigned int num_rects)
+{
+ struct vbox_private *vbox = fb->dev->dev_private;
+ struct drm_crtc *crtc;
+ unsigned int i;
+
+ mutex_lock(&vbox->hw_mutex);
+ list_for_each_entry(crtc, &fb->dev->mode_config.crtc_list, head) {
+ if (CRTC_FB(crtc) != fb)
+ continue;
+
+ vbox_enable_accel(vbox);
+
+ for (i = 0; i < num_rects; ++i) {
+ struct vbva_cmd_hdr cmd_hdr;
+ unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id;
+
+ if ((rects[i].x1 > crtc->x + crtc->hwmode.hdisplay) ||
+ (rects[i].y1 > crtc->y + crtc->hwmode.vdisplay) ||
+ (rects[i].x2 < crtc->x) ||
+ (rects[i].y2 < crtc->y))
+ continue;
+
+ cmd_hdr.x = (s16)rects[i].x1;
+ cmd_hdr.y = (s16)rects[i].y1;
+ cmd_hdr.w = (u16)rects[i].x2 - rects[i].x1;
+ cmd_hdr.h = (u16)rects[i].y2 - rects[i].y1;
+
+ if (!vbva_buffer_begin_update(&vbox->vbva_info[crtc_id],
+ vbox->guest_pool))
+ continue;
+
+ vbva_write(&vbox->vbva_info[crtc_id], vbox->guest_pool,
+ &cmd_hdr, sizeof(cmd_hdr));
+ vbva_buffer_end_update(&vbox->vbva_info[crtc_id]);
+ }
+ }
+ mutex_unlock(&vbox->hw_mutex);
+}
+
+static int vbox_user_framebuffer_dirty(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int flags, unsigned int color,
+ struct drm_clip_rect *rects,
+ unsigned int num_rects)
+{
+ vbox_framebuffer_dirty_rectangles(fb, rects, num_rects);
+
+ return 0;
+}
+
+static const struct drm_framebuffer_funcs vbox_fb_funcs = {
+ .destroy = vbox_user_framebuffer_destroy,
+ .dirty = vbox_user_framebuffer_dirty,
+};
+
+int vbox_framebuffer_init(struct drm_device *dev,
+ struct vbox_framebuffer *vbox_fb,
+ const struct DRM_MODE_FB_CMD *mode_cmd,
+ struct drm_gem_object *obj)
+{
+ int ret;
+
+ drm_helper_mode_fill_fb_struct(dev, &vbox_fb->base, mode_cmd);
+ vbox_fb->obj = obj;
+ ret = drm_framebuffer_init(dev, &vbox_fb->base, &vbox_fb_funcs);
+ if (ret) {
+ DRM_ERROR("framebuffer init failed %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct drm_framebuffer *vbox_user_framebuffer_create(
+ struct drm_device *dev,
+ struct drm_file *filp,
+ const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ struct drm_gem_object *obj;
+ struct vbox_framebuffer *vbox_fb;
+ int ret = -ENOMEM;
+
+ obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]);
+ if (!obj)
+ return ERR_PTR(-ENOENT);
+
+ vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL);
+ if (!vbox_fb)
+ goto err_unref_obj;
+
+ ret = vbox_framebuffer_init(dev, vbox_fb, mode_cmd, obj);
+ if (ret)
+ goto err_free_vbox_fb;
+
+ return &vbox_fb->base;
+
+err_free_vbox_fb:
+ kfree(vbox_fb);
+err_unref_obj:
+ drm_gem_object_unreference_unlocked(obj);
+ return ERR_PTR(ret);
+}
+
+static const struct drm_mode_config_funcs vbox_mode_funcs = {
+ .fb_create = vbox_user_framebuffer_create,
+};
+
+static int vbox_accel_init(struct vbox_private *vbox)
+{
+ unsigned int i;
+
+ vbox->vbva_info = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs,
+ sizeof(*vbox->vbva_info), GFP_KERNEL);
+ if (!vbox->vbva_info)
+ return -ENOMEM;
+
+ /* Take a command buffer for each screen from the end of usable VRAM. */
+ vbox->available_vram_size -= vbox->num_crtcs * VBVA_MIN_BUFFER_SIZE;
+
+ vbox->vbva_buffers = pci_iomap_range(vbox->dev->pdev, 0,
+ vbox->available_vram_size,
+ vbox->num_crtcs *
+ VBVA_MIN_BUFFER_SIZE);
+ if (!vbox->vbva_buffers)
+ return -ENOMEM;
+
+ for (i = 0; i < vbox->num_crtcs; ++i)
+ vbva_setup_buffer_context(&vbox->vbva_info[i],
+ vbox->available_vram_size +
+ i * VBVA_MIN_BUFFER_SIZE,
+ VBVA_MIN_BUFFER_SIZE);
+
+ return 0;
+}
+
+static void vbox_accel_fini(struct vbox_private *vbox)
+{
+ vbox_disable_accel(vbox);
+ pci_iounmap(vbox->dev->pdev, vbox->vbva_buffers);
+}
+
+/** Do we support the 4.3 plus mode hint reporting interface? */
+static bool have_hgsmi_mode_hints(struct vbox_private *vbox)
+{
+ u32 have_hints, have_cursor;
+ int ret;
+
+ ret = hgsmi_query_conf(vbox->guest_pool,
+ VBOX_VBVA_CONF32_MODE_HINT_REPORTING,
+ &have_hints);
+ if (ret)
+ return false;
+
+ ret = hgsmi_query_conf(vbox->guest_pool,
+ VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING,
+ &have_cursor);
+ if (ret)
+ return false;
+
+ return have_hints == VINF_SUCCESS && have_cursor == VINF_SUCCESS;
+}
+
+static bool vbox_check_supported(u16 id)
+{
+ u16 dispi_id;
+
+ vbox_write_ioport(VBE_DISPI_INDEX_ID, id);
+ dispi_id = inw(VBE_DISPI_IOPORT_DATA);
+
+ return dispi_id == id;
+}
+
+/**
+ * Set up our heaps and data exchange buffers in VRAM before handing the rest
+ * to the memory manager.
+ */
+static int vbox_hw_init(struct vbox_private *vbox)
+{
+ int ret = -ENOMEM;
+
+ vbox->full_vram_size = inl(VBE_DISPI_IOPORT_DATA);
+ vbox->any_pitch = vbox_check_supported(VBE_DISPI_ID_ANYX);
+
+ DRM_INFO("VRAM %08x\n", vbox->full_vram_size);
+
+ /* Map guest-heap at end of vram */
+ vbox->guest_heap =
+ pci_iomap_range(vbox->dev->pdev, 0, GUEST_HEAP_OFFSET(vbox),
+ GUEST_HEAP_SIZE);
+ if (!vbox->guest_heap)
+ return -ENOMEM;
+
+ /* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
+ vbox->guest_pool = gen_pool_create(4, -1);
+ if (!vbox->guest_pool)
+ goto err_unmap_guest_heap;
+
+ ret = gen_pool_add_virt(vbox->guest_pool,
+ (unsigned long)vbox->guest_heap,
+ GUEST_HEAP_OFFSET(vbox),
+ GUEST_HEAP_USABLE_SIZE, -1);
+ if (ret)
+ goto err_destroy_guest_pool;
+
+ ret = hgsmi_test_query_conf(vbox->guest_pool);
+ if (ret) {
+ DRM_ERROR("vboxvideo: hgsmi_test_query_conf failed\n");
+ goto err_destroy_guest_pool;
+ }
+
+ /* Reduce available VRAM size to reflect the guest heap. */
+ vbox->available_vram_size = GUEST_HEAP_OFFSET(vbox);
+ /* Linux drm represents monitors as a 32-bit array. */
+ hgsmi_query_conf(vbox->guest_pool, VBOX_VBVA_CONF32_MONITOR_COUNT,
+ &vbox->num_crtcs);
+ vbox->num_crtcs = clamp_t(u32, vbox->num_crtcs, 1, VBOX_MAX_SCREENS);
+
+ if (!have_hgsmi_mode_hints(vbox)) {
+ ret = -ENOTSUPP;
+ goto err_destroy_guest_pool;
+ }
+
+ vbox->last_mode_hints = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs,
+ sizeof(struct vbva_modehint),
+ GFP_KERNEL);
+ if (!vbox->last_mode_hints) {
+ ret = -ENOMEM;
+ goto err_destroy_guest_pool;
+ }
+
+ ret = vbox_accel_init(vbox);
+ if (ret)
+ goto err_destroy_guest_pool;
+
+ return 0;
+
+err_destroy_guest_pool:
+ gen_pool_destroy(vbox->guest_pool);
+err_unmap_guest_heap:
+ pci_iounmap(vbox->dev->pdev, vbox->guest_heap);
+ return ret;
+}
+
+static void vbox_hw_fini(struct vbox_private *vbox)
+{
+ vbox_accel_fini(vbox);
+ gen_pool_destroy(vbox->guest_pool);
+ pci_iounmap(vbox->dev->pdev, vbox->guest_heap);
+}
+
+int vbox_driver_load(struct drm_device *dev, unsigned long flags)
+{
+ struct vbox_private *vbox;
+ int ret = 0;
+
+ if (!vbox_check_supported(VBE_DISPI_ID_HGSMI))
+ return -ENODEV;
+
+ vbox = devm_kzalloc(dev->dev, sizeof(*vbox), GFP_KERNEL);
+ if (!vbox)
+ return -ENOMEM;
+
+ dev->dev_private = vbox;
+ vbox->dev = dev;
+
+ mutex_init(&vbox->hw_mutex);
+
+ ret = vbox_hw_init(vbox);
+ if (ret)
+ return ret;
+
+ ret = vbox_mm_init(vbox);
+ if (ret)
+ goto err_hw_fini;
+
+ drm_mode_config_init(dev);
+
+ dev->mode_config.funcs = (void *)&vbox_mode_funcs;
+ dev->mode_config.min_width = 64;
+ dev->mode_config.min_height = 64;
+ dev->mode_config.preferred_depth = 24;
+ dev->mode_config.max_width = VBE_DISPI_MAX_XRES;
+ dev->mode_config.max_height = VBE_DISPI_MAX_YRES;
+
+ ret = vbox_mode_init(dev);
+ if (ret)
+ goto err_drm_mode_cleanup;
+
+ ret = vbox_irq_init(vbox);
+ if (ret)
+ goto err_mode_fini;
+
+ ret = vbox_fbdev_init(dev);
+ if (ret)
+ goto err_irq_fini;
+
+ return 0;
+
+err_irq_fini:
+ vbox_irq_fini(vbox);
+err_mode_fini:
+ vbox_mode_fini(dev);
+err_drm_mode_cleanup:
+ drm_mode_config_cleanup(dev);
+ vbox_mm_fini(vbox);
+err_hw_fini:
+ vbox_hw_fini(vbox);
+ return ret;
+}
+
+void vbox_driver_unload(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ vbox_fbdev_fini(dev);
+ vbox_irq_fini(vbox);
+ vbox_mode_fini(dev);
+ drm_mode_config_cleanup(dev);
+ vbox_mm_fini(vbox);
+ vbox_hw_fini(vbox);
+}
+
+/**
+ * @note this is described in the DRM framework documentation. AST does not
+ * have it, but we get an oops on driver unload if it is not present.
+ */
+void vbox_driver_lastclose(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+
+ if (vbox->fbdev)
+ drm_fb_helper_restore_fbdev_mode_unlocked(&vbox->fbdev->helper);
+}
+
+int vbox_gem_create(struct drm_device *dev,
+ u32 size, bool iskernel, struct drm_gem_object **obj)
+{
+ struct vbox_bo *vboxbo;
+ int ret;
+
+ *obj = NULL;
+
+ size = roundup(size, PAGE_SIZE);
+ if (size == 0)
+ return -EINVAL;
+
+ ret = vbox_bo_create(dev, size, 0, 0, &vboxbo);
+ if (ret) {
+ if (ret != -ERESTARTSYS)
+ DRM_ERROR("failed to allocate GEM object\n");
+ return ret;
+ }
+
+ *obj = &vboxbo->gem;
+
+ return 0;
+}
+
+int vbox_dumb_create(struct drm_file *file,
+ struct drm_device *dev, struct drm_mode_create_dumb *args)
+{
+ int ret;
+ struct drm_gem_object *gobj;
+ u32 handle;
+
+ args->pitch = args->width * ((args->bpp + 7) / 8);
+ args->size = args->pitch * args->height;
+
+ ret = vbox_gem_create(dev, args->size, false, &gobj);
+ if (ret)
+ return ret;
+
+ ret = drm_gem_handle_create(file, gobj, &handle);
+ drm_gem_object_unreference_unlocked(gobj);
+ if (ret)
+ return ret;
+
+ args->handle = handle;
+
+ return 0;
+}
+
+static void vbox_bo_unref(struct vbox_bo **bo)
+{
+ struct ttm_buffer_object *tbo;
+
+ if ((*bo) == NULL)
+ return;
+
+ tbo = &((*bo)->bo);
+ ttm_bo_unref(&tbo);
+ if (!tbo)
+ *bo = NULL;
+}
+
+void vbox_gem_free_object(struct drm_gem_object *obj)
+{
+ struct vbox_bo *vbox_bo = gem_to_vbox_bo(obj);
+
+ vbox_bo_unref(&vbox_bo);
+}
+
+static inline u64 vbox_bo_mmap_offset(struct vbox_bo *bo)
+{
+ return drm_vma_node_offset_addr(&bo->bo.vma_node);
+}
+
+int
+vbox_dumb_mmap_offset(struct drm_file *file,
+ struct drm_device *dev,
+ u32 handle, u64 *offset)
+{
+ struct drm_gem_object *obj;
+ int ret;
+ struct vbox_bo *bo;
+
+ mutex_lock(&dev->struct_mutex);
+ obj = drm_gem_object_lookup(file, handle);
+ if (!obj) {
+ ret = -ENOENT;
+ goto out_unlock;
+ }
+
+ bo = gem_to_vbox_bo(obj);
+ *offset = vbox_bo_mmap_offset(bo);
+
+ drm_gem_object_unreference(obj);
+ ret = 0;
+
+out_unlock:
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+}
diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c
new file mode 100644
index 0000000..f2b85f3
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_mode.c
@@ -0,0 +1,877 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_mode.c
+ * Copyright 2012 Red Hat Inc.
+ * Parts based on xf86-video-ast
+ * Copyright (c) 2005 ASPEED Technology Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+/*
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Michael Thayer <michael.thayer@oracle.com,
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+#include <linux/export.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_plane_helper.h>
+
+#include "vbox_drv.h"
+#include "vboxvideo.h"
+#include "hgsmi_channels.h"
+
+static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
+ u32 handle, u32 width, u32 height,
+ s32 hot_x, s32 hot_y);
+static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y);
+
+/**
+ * Set a graphics mode. Poke any required values into registers, do an HGSMI
+ * mode set and tell the host we support advanced graphics functions.
+ */
+static void vbox_do_modeset(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
+{
+ struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
+ struct vbox_private *vbox;
+ int width, height, bpp, pitch;
+ unsigned int crtc_id;
+ u16 flags;
+ s32 x_offset, y_offset;
+
+ vbox = crtc->dev->dev_private;
+ width = mode->hdisplay ? mode->hdisplay : 640;
+ height = mode->vdisplay ? mode->vdisplay : 480;
+ crtc_id = vbox_crtc->crtc_id;
+ bpp = crtc->enabled ? CRTC_FB(crtc)->format->cpp[0] * 8 : 32;
+ pitch = crtc->enabled ? CRTC_FB(crtc)->pitches[0] : width * bpp / 8;
+ x_offset = vbox->single_framebuffer ? crtc->x : vbox_crtc->x_hint;
+ y_offset = vbox->single_framebuffer ? crtc->y : vbox_crtc->y_hint;
+
+ /*
+ * This is the old way of setting graphics modes. It assumed one screen
+ * and a frame-buffer at the start of video RAM. On older versions of
+ * VirtualBox, certain parts of the code still assume that the first
+ * screen is programmed this way, so try to fake it.
+ */
+ if (vbox_crtc->crtc_id == 0 && crtc->enabled &&
+ vbox_crtc->fb_offset / pitch < 0xffff - crtc->y &&
+ vbox_crtc->fb_offset % (bpp / 8) == 0) {
+ vbox_write_ioport(VBE_DISPI_INDEX_XRES, width);
+ vbox_write_ioport(VBE_DISPI_INDEX_YRES, height);
+ vbox_write_ioport(VBE_DISPI_INDEX_VIRT_WIDTH, pitch * 8 / bpp);
+ vbox_write_ioport(VBE_DISPI_INDEX_BPP,
+ CRTC_FB(crtc)->format->cpp[0] * 8);
+ vbox_write_ioport(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
+ vbox_write_ioport(
+ VBE_DISPI_INDEX_X_OFFSET,
+ vbox_crtc->fb_offset % pitch / bpp * 8 + crtc->x);
+ vbox_write_ioport(VBE_DISPI_INDEX_Y_OFFSET,
+ vbox_crtc->fb_offset / pitch + crtc->y);
+ }
+
+ flags = VBVA_SCREEN_F_ACTIVE;
+ flags |= (crtc->enabled && !vbox_crtc->blanked) ?
+ 0 : VBVA_SCREEN_F_BLANK;
+ flags |= vbox_crtc->disconnected ? VBVA_SCREEN_F_DISABLED : 0;
+ hgsmi_process_display_info(vbox->guest_pool, vbox_crtc->crtc_id,
+ x_offset, y_offset,
+ crtc->x * bpp / 8 + crtc->y * pitch,
+ pitch, width, height,
+ vbox_crtc->blanked ? 0 : bpp, flags);
+}
+
+static int vbox_set_view(struct drm_crtc *crtc)
+{
+ struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
+ struct vbox_private *vbox = crtc->dev->dev_private;
+ struct vbva_infoview *p;
+
+ /*
+ * Tell the host about the view. This design originally targeted the
+ * Windows XP driver architecture and assumed that each screen would
+ * have a dedicated frame buffer with the command buffer following it,
+ * the whole being a "view". The host works out which screen a command
+ * buffer belongs to by checking whether it is in the first view, then
+ * whether it is in the second and so on. The first match wins. We
+ * cheat around this by making the first view be the managed memory
+ * plus the first command buffer, the second the same plus the second
+ * buffer and so on.
+ */
+ p = hgsmi_buffer_alloc(vbox->guest_pool, sizeof(*p),
+ HGSMI_CH_VBVA, VBVA_INFO_VIEW);
+ if (!p)
+ return -ENOMEM;
+
+ p->view_index = vbox_crtc->crtc_id;
+ p->view_offset = vbox_crtc->fb_offset;
+ p->view_size = vbox->available_vram_size - vbox_crtc->fb_offset +
+ vbox_crtc->crtc_id * VBVA_MIN_BUFFER_SIZE;
+ p->max_screen_size = vbox->available_vram_size - vbox_crtc->fb_offset;
+
+ hgsmi_buffer_submit(vbox->guest_pool, p);
+ hgsmi_buffer_free(vbox->guest_pool, p);
+
+ return 0;
+}
+
+static void vbox_crtc_load_lut(struct drm_crtc *crtc)
+{
+}
+
+static void vbox_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
+ struct vbox_private *vbox = crtc->dev->dev_private;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ vbox_crtc->blanked = false;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ vbox_crtc->blanked = true;
+ break;
+ }
+
+ mutex_lock(&vbox->hw_mutex);
+ vbox_do_modeset(crtc, &crtc->hwmode);
+ mutex_unlock(&vbox->hw_mutex);
+}
+
+static bool vbox_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+/*
+ * Try to map the layout of virtual screens to the range of the input device.
+ * Return true if we need to re-set the crtc modes due to screen offset
+ * changes.
+ */
+static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
+{
+ struct drm_crtc *crtci;
+ struct drm_connector *connectori;
+ struct drm_framebuffer *fb1 = NULL;
+ bool single_framebuffer = true;
+ bool old_single_framebuffer = vbox->single_framebuffer;
+ u16 width = 0, height = 0;
+
+ /*
+ * Are we using an X.Org-style single large frame-buffer for all crtcs?
+ * If so then screen layout can be deduced from the crtc offsets.
+ * Same fall-back if this is the fbdev frame-buffer.
+ */
+ list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, head) {
+ if (!fb1) {
+ fb1 = CRTC_FB(crtci);
+ if (to_vbox_framebuffer(fb1) == &vbox->fbdev->afb)
+ break;
+ } else if (CRTC_FB(crtci) && fb1 != CRTC_FB(crtci)) {
+ single_framebuffer = false;
+ }
+ }
+ if (single_framebuffer) {
+ list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+ head) {
+ if (to_vbox_crtc(crtci)->crtc_id != 0)
+ continue;
+
+ vbox->single_framebuffer = true;
+ vbox->input_mapping_width = CRTC_FB(crtci)->width;
+ vbox->input_mapping_height = CRTC_FB(crtci)->height;
+ return old_single_framebuffer !=
+ vbox->single_framebuffer;
+ }
+ }
+ /* Otherwise calculate the total span of all screens. */
+ list_for_each_entry(connectori, &vbox->dev->mode_config.connector_list,
+ head) {
+ struct vbox_connector *vbox_connector =
+ to_vbox_connector(connectori);
+ struct vbox_crtc *vbox_crtc = vbox_connector->vbox_crtc;
+
+ width = max_t(u16, width, vbox_crtc->x_hint +
+ vbox_connector->mode_hint.width);
+ height = max_t(u16, height, vbox_crtc->y_hint +
+ vbox_connector->mode_hint.height);
+ }
+
+ vbox->single_framebuffer = false;
+ vbox->input_mapping_width = width;
+ vbox->input_mapping_height = height;
+
+ return old_single_framebuffer != vbox->single_framebuffer;
+}
+
+static int vbox_crtc_do_set_base(struct drm_crtc *crtc,
+ struct drm_framebuffer *old_fb, int x, int y)
+{
+ struct vbox_private *vbox = crtc->dev->dev_private;
+ struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
+ struct drm_gem_object *obj;
+ struct vbox_framebuffer *vbox_fb;
+ struct vbox_bo *bo;
+ int ret;
+ u64 gpu_addr;
+
+ /* Unpin the previous fb. */
+ if (old_fb) {
+ vbox_fb = to_vbox_framebuffer(old_fb);
+ obj = vbox_fb->obj;
+ bo = gem_to_vbox_bo(obj);
+ ret = vbox_bo_reserve(bo, false);
+ if (ret)
+ return ret;
+
+ vbox_bo_unpin(bo);
+ vbox_bo_unreserve(bo);
+ }
+
+ vbox_fb = to_vbox_framebuffer(CRTC_FB(crtc));
+ obj = vbox_fb->obj;
+ bo = gem_to_vbox_bo(obj);
+
+ ret = vbox_bo_reserve(bo, false);
+ if (ret)
+ return ret;
+
+ ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr);
+ if (ret) {
+ vbox_bo_unreserve(bo);
+ return ret;
+ }
+
+ if (&vbox->fbdev->afb == vbox_fb)
+ vbox_fbdev_set_base(vbox, gpu_addr);
+ vbox_bo_unreserve(bo);
+
+ /* vbox_set_start_address_crt1(crtc, (u32)gpu_addr); */
+ vbox_crtc->fb_offset = gpu_addr;
+ if (vbox_set_up_input_mapping(vbox)) {
+ struct drm_crtc *crtci;
+
+ list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+ head) {
+ vbox_set_view(crtc);
+ vbox_do_modeset(crtci, &crtci->mode);
+ }
+ }
+
+ return 0;
+}
+
+static int vbox_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ return vbox_crtc_do_set_base(crtc, old_fb, x, y);
+}
+
+static int vbox_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct vbox_private *vbox = crtc->dev->dev_private;
+ int ret;
+
+ vbox_crtc_mode_set_base(crtc, x, y, old_fb);
+
+ mutex_lock(&vbox->hw_mutex);
+ ret = vbox_set_view(crtc);
+ if (!ret)
+ vbox_do_modeset(crtc, mode);
+ hgsmi_update_input_mapping(vbox->guest_pool, 0, 0,
+ vbox->input_mapping_width,
+ vbox->input_mapping_height);
+ mutex_unlock(&vbox->hw_mutex);
+
+ return ret;
+}
+
+static void vbox_crtc_disable(struct drm_crtc *crtc)
+{
+}
+
+static void vbox_crtc_prepare(struct drm_crtc *crtc)
+{
+}
+
+static void vbox_crtc_commit(struct drm_crtc *crtc)
+{
+}
+
+static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = {
+ .dpms = vbox_crtc_dpms,
+ .mode_fixup = vbox_crtc_mode_fixup,
+ .mode_set = vbox_crtc_mode_set,
+ /* .mode_set_base = vbox_crtc_mode_set_base, */
+ .disable = vbox_crtc_disable,
+ .load_lut = vbox_crtc_load_lut,
+ .prepare = vbox_crtc_prepare,
+ .commit = vbox_crtc_commit,
+};
+
+static void vbox_crtc_reset(struct drm_crtc *crtc)
+{
+}
+
+static void vbox_crtc_destroy(struct drm_crtc *crtc)
+{
+ drm_crtc_cleanup(crtc);
+ kfree(crtc);
+}
+
+static const struct drm_crtc_funcs vbox_crtc_funcs = {
+ .cursor_move = vbox_cursor_move,
+ .cursor_set2 = vbox_cursor_set2,
+ .reset = vbox_crtc_reset,
+ .set_config = drm_crtc_helper_set_config,
+ /* .gamma_set = vbox_crtc_gamma_set, */
+ .destroy = vbox_crtc_destroy,
+};
+
+static struct vbox_crtc *vbox_crtc_init(struct drm_device *dev, unsigned int i)
+{
+ struct vbox_crtc *vbox_crtc;
+
+ vbox_crtc = kzalloc(sizeof(*vbox_crtc), GFP_KERNEL);
+ if (!vbox_crtc)
+ return NULL;
+
+ vbox_crtc->crtc_id = i;
+
+ drm_crtc_init(dev, &vbox_crtc->base, &vbox_crtc_funcs);
+ drm_mode_crtc_set_gamma_size(&vbox_crtc->base, 256);
+ drm_crtc_helper_add(&vbox_crtc->base, &vbox_crtc_helper_funcs);
+
+ return vbox_crtc;
+}
+
+static void vbox_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+ kfree(encoder);
+}
+
+static struct drm_encoder *vbox_best_single_encoder(struct drm_connector
+ *connector)
+{
+ int enc_id = connector->encoder_ids[0];
+
+ /* pick the encoder ids */
+ if (enc_id)
+ return drm_encoder_find(connector->dev, enc_id);
+
+ return NULL;
+}
+
+static const struct drm_encoder_funcs vbox_enc_funcs = {
+ .destroy = vbox_encoder_destroy,
+};
+
+static void vbox_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+}
+
+static bool vbox_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+static void vbox_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+}
+
+static void vbox_encoder_prepare(struct drm_encoder *encoder)
+{
+}
+
+static void vbox_encoder_commit(struct drm_encoder *encoder)
+{
+}
+
+static const struct drm_encoder_helper_funcs vbox_enc_helper_funcs = {
+ .dpms = vbox_encoder_dpms,
+ .mode_fixup = vbox_mode_fixup,
+ .prepare = vbox_encoder_prepare,
+ .commit = vbox_encoder_commit,
+ .mode_set = vbox_encoder_mode_set,
+};
+
+static struct drm_encoder *vbox_encoder_init(struct drm_device *dev,
+ unsigned int i)
+{
+ struct vbox_encoder *vbox_encoder;
+
+ vbox_encoder = kzalloc(sizeof(*vbox_encoder), GFP_KERNEL);
+ if (!vbox_encoder)
+ return NULL;
+
+ drm_encoder_init(dev, &vbox_encoder->base, &vbox_enc_funcs,
+ DRM_MODE_ENCODER_DAC, NULL);
+ drm_encoder_helper_add(&vbox_encoder->base, &vbox_enc_helper_funcs);
+
+ vbox_encoder->base.possible_crtcs = 1 << i;
+ return &vbox_encoder->base;
+}
+
+/**
+ * Generate EDID data with a mode-unique serial number for the virtual
+ * monitor to try to persuade Unity that different modes correspond to
+ * different monitors and it should not try to force the same resolution on
+ * them.
+ */
+static void vbox_set_edid(struct drm_connector *connector, int width,
+ int height)
+{
+ enum { EDID_SIZE = 128 };
+ unsigned char edid[EDID_SIZE] = {
+ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */
+ 0x58, 0x58, /* manufacturer (VBX) */
+ 0x00, 0x00, /* product code */
+ 0x00, 0x00, 0x00, 0x00, /* serial number goes here */
+ 0x01, /* week of manufacture */
+ 0x00, /* year of manufacture */
+ 0x01, 0x03, /* EDID version */
+ 0x80, /* capabilities - digital */
+ 0x00, /* horiz. res in cm, zero for projectors */
+ 0x00, /* vert. res in cm */
+ 0x78, /* display gamma (120 == 2.2). */
+ 0xEE, /* features (standby, suspend, off, RGB, std */
+ /* colour space, preferred timing mode) */
+ 0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54,
+ /* chromaticity for standard colour space. */
+ 0x00, 0x00, 0x00, /* no default timings */
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, /* no standard timings */
+ 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x00, 0x02, 0x02,
+ 0x02, 0x02,
+ /* descriptor block 1 goes below */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* descriptor block 2, monitor ranges */
+ 0x00, 0x00, 0x00, 0xFD, 0x00,
+ 0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20, 0x20,
+ 0x20, 0x20,
+ /* 0-200Hz vertical, 0-200KHz horizontal, 1000MHz pixel clock */
+ 0x20,
+ /* descriptor block 3, monitor name */
+ 0x00, 0x00, 0x00, 0xFC, 0x00,
+ 'V', 'B', 'O', 'X', ' ', 'm', 'o', 'n', 'i', 't', 'o', 'r',
+ '\n',
+ /* descriptor block 4: dummy data */
+ 0x00, 0x00, 0x00, 0x10, 0x00,
+ 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ 0x20,
+ 0x00, /* number of extensions */
+ 0x00 /* checksum goes here */
+ };
+ int clock = (width + 6) * (height + 6) * 60 / 10000;
+ unsigned int i, sum = 0;
+
+ edid[12] = width & 0xff;
+ edid[13] = width >> 8;
+ edid[14] = height & 0xff;
+ edid[15] = height >> 8;
+ edid[54] = clock & 0xff;
+ edid[55] = clock >> 8;
+ edid[56] = width & 0xff;
+ edid[58] = (width >> 4) & 0xf0;
+ edid[59] = height & 0xff;
+ edid[61] = (height >> 4) & 0xf0;
+ for (i = 0; i < EDID_SIZE - 1; ++i)
+ sum += edid[i];
+ edid[EDID_SIZE - 1] = (0x100 - (sum & 0xFF)) & 0xFF;
+ drm_mode_connector_update_edid_property(connector, (struct edid *)edid);
+}
+
+static int vbox_get_modes(struct drm_connector *connector)
+{
+ struct vbox_connector *vbox_connector = NULL;
+ struct drm_display_mode *mode = NULL;
+ struct vbox_private *vbox = NULL;
+ unsigned int num_modes = 0;
+ int preferred_width, preferred_height;
+
+ vbox_connector = to_vbox_connector(connector);
+ vbox = connector->dev->dev_private;
+ /*
+ * Heuristic: we do not want to tell the host that we support dynamic
+ * resizing unless we feel confident that the user space client using
+ * the video driver can handle hot-plug events. So the first time modes
+ * are queried after a "master" switch we tell the host that we do not,
+ * and immediately after we send the client a hot-plug notification as
+ * a test to see if they will respond and query again.
+ * That is also the reason why capabilities are reported to the host at
+ * this place in the code rather than elsewhere.
+ * We need to report the flags location before reporting the IRQ
+ * capability.
+ */
+ hgsmi_report_flags_location(vbox->guest_pool, GUEST_HEAP_OFFSET(vbox) +
+ HOST_FLAGS_OFFSET);
+ if (vbox_connector->vbox_crtc->crtc_id == 0)
+ vbox_report_caps(vbox);
+ if (!vbox->initial_mode_queried) {
+ if (vbox_connector->vbox_crtc->crtc_id == 0) {
+ vbox->initial_mode_queried = true;
+ vbox_report_hotplug(vbox);
+ }
+ return drm_add_modes_noedid(connector, 800, 600);
+ }
+ num_modes = drm_add_modes_noedid(connector, 2560, 1600);
+ preferred_width = vbox_connector->mode_hint.width ?
+ vbox_connector->mode_hint.width : 1024;
+ preferred_height = vbox_connector->mode_hint.height ?
+ vbox_connector->mode_hint.height : 768;
+ mode = drm_cvt_mode(connector->dev, preferred_width, preferred_height,
+ 60, false, false, false);
+ if (mode) {
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+ ++num_modes;
+ }
+ vbox_set_edid(connector, preferred_width, preferred_height);
+ drm_object_property_set_value(
+ &connector->base, vbox->dev->mode_config.suggested_x_property,
+ vbox_connector->vbox_crtc->x_hint);
+ drm_object_property_set_value(
+ &connector->base, vbox->dev->mode_config.suggested_y_property,
+ vbox_connector->vbox_crtc->y_hint);
+
+ return num_modes;
+}
+
+static int vbox_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static void vbox_connector_destroy(struct drm_connector *connector)
+{
+ struct vbox_connector *vbox_connector;
+
+ vbox_connector = to_vbox_connector(connector);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static enum drm_connector_status
+vbox_connector_detect(struct drm_connector *connector, bool force)
+{
+ struct vbox_connector *vbox_connector;
+
+ vbox_connector = to_vbox_connector(connector);
+
+ return vbox_connector->mode_hint.disconnected ?
+ connector_status_disconnected : connector_status_connected;
+}
+
+static int vbox_fill_modes(struct drm_connector *connector, u32 max_x,
+ u32 max_y)
+{
+ struct vbox_connector *vbox_connector;
+ struct drm_device *dev;
+ struct drm_display_mode *mode, *iterator;
+
+ vbox_connector = to_vbox_connector(connector);
+ dev = vbox_connector->base.dev;
+ list_for_each_entry_safe(mode, iterator, &connector->modes, head) {
+ list_del(&mode->head);
+ drm_mode_destroy(dev, mode);
+ }
+
+ return drm_helper_probe_single_connector_modes(connector, max_x, max_y);
+}
+
+static const struct drm_connector_helper_funcs vbox_connector_helper_funcs = {
+ .mode_valid = vbox_mode_valid,
+ .get_modes = vbox_get_modes,
+ .best_encoder = vbox_best_single_encoder,
+};
+
+static const struct drm_connector_funcs vbox_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = vbox_connector_detect,
+ .fill_modes = vbox_fill_modes,
+ .destroy = vbox_connector_destroy,
+};
+
+static int vbox_connector_init(struct drm_device *dev,
+ struct vbox_crtc *vbox_crtc,
+ struct drm_encoder *encoder)
+{
+ struct vbox_connector *vbox_connector;
+ struct drm_connector *connector;
+
+ vbox_connector = kzalloc(sizeof(*vbox_connector), GFP_KERNEL);
+ if (!vbox_connector)
+ return -ENOMEM;
+
+ connector = &vbox_connector->base;
+ vbox_connector->vbox_crtc = vbox_crtc;
+
+ drm_connector_init(dev, connector, &vbox_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA);
+ drm_connector_helper_add(connector, &vbox_connector_helper_funcs);
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ drm_mode_create_suggested_offset_properties(dev);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.suggested_x_property, -1);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.suggested_y_property, -1);
+ drm_connector_register(connector);
+
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+}
+
+int vbox_mode_init(struct drm_device *dev)
+{
+ struct vbox_private *vbox = dev->dev_private;
+ struct drm_encoder *encoder;
+ struct vbox_crtc *vbox_crtc;
+ unsigned int i;
+ int ret;
+
+ /* vbox_cursor_init(dev); */
+ for (i = 0; i < vbox->num_crtcs; ++i) {
+ vbox_crtc = vbox_crtc_init(dev, i);
+ if (!vbox_crtc)
+ return -ENOMEM;
+ encoder = vbox_encoder_init(dev, i);
+ if (!encoder)
+ return -ENOMEM;
+ ret = vbox_connector_init(dev, vbox_crtc, encoder);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+void vbox_mode_fini(struct drm_device *dev)
+{
+ /* vbox_cursor_fini(dev); */
+}
+
+/**
+ * Copy the ARGB image and generate the mask, which is needed in case the host
+ * does not support ARGB cursors. The mask is a 1BPP bitmap with the bit set
+ * if the corresponding alpha value in the ARGB image is greater than 0xF0.
+ */
+static void copy_cursor_image(u8 *src, u8 *dst, u32 width, u32 height,
+ size_t mask_size)
+{
+ size_t line_size = (width + 7) / 8;
+ u32 i, j;
+
+ memcpy(dst + mask_size, src, width * height * 4);
+ for (i = 0; i < height; ++i)
+ for (j = 0; j < width; ++j)
+ if (((u32 *)src)[i * width + j] > 0xf0000000)
+ dst[i * line_size + j / 8] |= (0x80 >> (j % 8));
+}
+
+static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
+ u32 handle, u32 width, u32 height,
+ s32 hot_x, s32 hot_y)
+{
+ struct vbox_private *vbox = crtc->dev->dev_private;
+ struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
+ struct ttm_bo_kmap_obj uobj_map;
+ size_t data_size, mask_size;
+ struct drm_gem_object *obj;
+ u32 flags, caps = 0;
+ struct vbox_bo *bo;
+ bool src_isiomem;
+ u8 *dst = NULL;
+ u8 *src;
+ int ret;
+
+ /*
+ * Re-set this regularly as in 5.0.20 and earlier the information was
+ * lost on save and restore.
+ */
+ hgsmi_update_input_mapping(vbox->guest_pool, 0, 0,
+ vbox->input_mapping_width,
+ vbox->input_mapping_height);
+ if (!handle) {
+ bool cursor_enabled = false;
+ struct drm_crtc *crtci;
+
+ /* Hide cursor. */
+ vbox_crtc->cursor_enabled = false;
+ list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list,
+ head) {
+ if (to_vbox_crtc(crtci)->cursor_enabled)
+ cursor_enabled = true;
+ }
+
+ if (!cursor_enabled)
+ hgsmi_update_pointer_shape(vbox->guest_pool, 0, 0, 0,
+ 0, 0, NULL, 0);
+ return 0;
+ }
+
+ vbox_crtc->cursor_enabled = true;
+
+ if (width > VBOX_MAX_CURSOR_WIDTH || height > VBOX_MAX_CURSOR_HEIGHT ||
+ width == 0 || height == 0)
+ return -EINVAL;
+
+ ret = hgsmi_query_conf(vbox->guest_pool,
+ VBOX_VBVA_CONF32_CURSOR_CAPABILITIES, &caps);
+ if (ret)
+ return ret;
+
+ if (!(caps & VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE)) {
+ /*
+ * -EINVAL means cursor_set2() not supported, -EAGAIN means
+ * retry at once.
+ */
+ return -EBUSY;
+ }
+
+ obj = drm_gem_object_lookup(file_priv, handle);
+ if (!obj) {
+ DRM_ERROR("Cannot find cursor object %x for crtc\n", handle);
+ return -ENOENT;
+ }
+
+ bo = gem_to_vbox_bo(obj);
+ ret = vbox_bo_reserve(bo, false);
+ if (ret)
+ goto out_unref_obj;
+
+ /*
+ * The mask must be calculated based on the alpha
+ * channel, one bit per ARGB word, and must be 32-bit
+ * padded.
+ */
+ mask_size = ((width + 7) / 8 * height + 3) & ~3;
+ data_size = width * height * 4 + mask_size;
+ vbox->cursor_hot_x = min_t(u32, max(hot_x, 0), width);
+ vbox->cursor_hot_y = min_t(u32, max(hot_y, 0), height);
+ vbox->cursor_width = width;
+ vbox->cursor_height = height;
+ vbox->cursor_data_size = data_size;
+ dst = vbox->cursor_data;
+
+ ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map);
+ if (ret) {
+ vbox->cursor_data_size = 0;
+ goto out_unreserve_bo;
+ }
+
+ src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem);
+ if (src_isiomem) {
+ DRM_ERROR("src cursor bo not in main memory\n");
+ ret = -EIO;
+ goto out_unmap_bo;
+ }
+
+ copy_cursor_image(src, dst, width, height, mask_size);
+
+ flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE |
+ VBOX_MOUSE_POINTER_ALPHA;
+ ret = hgsmi_update_pointer_shape(vbox->guest_pool, flags,
+ vbox->cursor_hot_x, vbox->cursor_hot_y,
+ width, height, dst, data_size);
+out_unmap_bo:
+ ttm_bo_kunmap(&uobj_map);
+out_unreserve_bo:
+ vbox_bo_unreserve(bo);
+out_unref_obj:
+ drm_gem_object_unreference_unlocked(obj);
+
+ return ret;
+}
+
+static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y)
+{
+ struct vbox_private *vbox = crtc->dev->dev_private;
+ u32 flags = VBOX_MOUSE_POINTER_VISIBLE |
+ VBOX_MOUSE_POINTER_SHAPE | VBOX_MOUSE_POINTER_ALPHA;
+ s32 crtc_x =
+ vbox->single_framebuffer ? crtc->x : to_vbox_crtc(crtc)->x_hint;
+ s32 crtc_y =
+ vbox->single_framebuffer ? crtc->y : to_vbox_crtc(crtc)->y_hint;
+ u32 host_x, host_y;
+ u32 hot_x = 0;
+ u32 hot_y = 0;
+ int ret;
+
+ /*
+ * We compare these to unsigned later and don't
+ * need to handle negative.
+ */
+ if (x + crtc_x < 0 || y + crtc_y < 0 || vbox->cursor_data_size == 0)
+ return 0;
+
+ ret = hgsmi_cursor_position(vbox->guest_pool, true, x + crtc_x,
+ y + crtc_y, &host_x, &host_y);
+
+ /*
+ * The only reason we have vbox_cursor_move() is that some older clients
+ * might use DRM_IOCTL_MODE_CURSOR instead of DRM_IOCTL_MODE_CURSOR2 and
+ * use DRM_MODE_CURSOR_MOVE to set the hot-spot.
+ *
+ * However VirtualBox 5.0.20 and earlier has a bug causing it to return
+ * 0,0 as host cursor location after a save and restore.
+ *
+ * To work around this we ignore a 0, 0 return, since missing the odd
+ * time when it legitimately happens is not going to hurt much.
+ */
+ if (ret || (host_x == 0 && host_y == 0))
+ return ret;
+
+ if (x + crtc_x < host_x)
+ hot_x = min(host_x - x - crtc_x, vbox->cursor_width);
+ if (y + crtc_y < host_y)
+ hot_y = min(host_y - y - crtc_y, vbox->cursor_height);
+
+ if (hot_x == vbox->cursor_hot_x && hot_y == vbox->cursor_hot_y)
+ return 0;
+
+ vbox->cursor_hot_x = hot_x;
+ vbox->cursor_hot_y = hot_y;
+
+ return hgsmi_update_pointer_shape(vbox->guest_pool, flags,
+ hot_x, hot_y, vbox->cursor_width, vbox->cursor_height,
+ vbox->cursor_data, vbox->cursor_data_size);
+}
diff --git a/drivers/staging/vboxvideo/vbox_prime.c b/drivers/staging/vboxvideo/vbox_prime.c
new file mode 100644
index 0000000..b7453e4
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_prime.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2017 Oracle Corporation
+ * Copyright 2017 Canonical
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Andreas Pokorny
+ */
+
+#include "vbox_drv.h"
+
+/*
+ * Based on qxl_prime.c:
+ * Empty Implementations as there should not be any other driver for a virtual
+ * device that might share buffers with vboxvideo
+ */
+
+int vbox_gem_prime_pin(struct drm_gem_object *obj)
+{
+ WARN_ONCE(1, "not implemented");
+ return -ENOSYS;
+}
+
+void vbox_gem_prime_unpin(struct drm_gem_object *obj)
+{
+ WARN_ONCE(1, "not implemented");
+}
+
+struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj)
+{
+ WARN_ONCE(1, "not implemented");
+ return ERR_PTR(-ENOSYS);
+}
+
+struct drm_gem_object *vbox_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *table)
+{
+ WARN_ONCE(1, "not implemented");
+ return ERR_PTR(-ENOSYS);
+}
+
+void *vbox_gem_prime_vmap(struct drm_gem_object *obj)
+{
+ WARN_ONCE(1, "not implemented");
+ return ERR_PTR(-ENOSYS);
+}
+
+void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
+{
+ WARN_ONCE(1, "not implemented");
+}
+
+int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area)
+{
+ WARN_ONCE(1, "not implemented");
+ return -ENOSYS;
+}
diff --git a/drivers/staging/vboxvideo/vbox_ttm.c b/drivers/staging/vboxvideo/vbox_ttm.c
new file mode 100644
index 0000000..34a905d
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbox_ttm.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright (C) 2013-2017 Oracle Corporation
+ * This file is based on ast_ttm.c
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Michael Thayer <michael.thayer@oracle.com>
+ */
+#include "vbox_drv.h"
+#include <ttm/ttm_page_alloc.h>
+
+static inline struct vbox_private *vbox_bdev(struct ttm_bo_device *bd)
+{
+ return container_of(bd, struct vbox_private, ttm.bdev);
+}
+
+static int vbox_ttm_mem_global_init(struct drm_global_reference *ref)
+{
+ return ttm_mem_global_init(ref->object);
+}
+
+static void vbox_ttm_mem_global_release(struct drm_global_reference *ref)
+{
+ ttm_mem_global_release(ref->object);
+}
+
+/**
+ * Adds the vbox memory manager object/structures to the global memory manager.
+ */
+static int vbox_ttm_global_init(struct vbox_private *vbox)
+{
+ struct drm_global_reference *global_ref;
+ int ret;
+
+ global_ref = &vbox->ttm.mem_global_ref;
+ global_ref->global_type = DRM_GLOBAL_TTM_MEM;
+ global_ref->size = sizeof(struct ttm_mem_global);
+ global_ref->init = &vbox_ttm_mem_global_init;
+ global_ref->release = &vbox_ttm_mem_global_release;
+ ret = drm_global_item_ref(global_ref);
+ if (ret) {
+ DRM_ERROR("Failed setting up TTM memory subsystem.\n");
+ return ret;
+ }
+
+ vbox->ttm.bo_global_ref.mem_glob = vbox->ttm.mem_global_ref.object;
+ global_ref = &vbox->ttm.bo_global_ref.ref;
+ global_ref->global_type = DRM_GLOBAL_TTM_BO;
+ global_ref->size = sizeof(struct ttm_bo_global);
+ global_ref->init = &ttm_bo_global_init;
+ global_ref->release = &ttm_bo_global_release;
+
+ ret = drm_global_item_ref(global_ref);
+ if (ret) {
+ DRM_ERROR("Failed setting up TTM BO subsystem.\n");
+ drm_global_item_unref(&vbox->ttm.mem_global_ref);
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * Removes the vbox memory manager object from the global memory manager.
+ */
+static void vbox_ttm_global_release(struct vbox_private *vbox)
+{
+ drm_global_item_unref(&vbox->ttm.bo_global_ref.ref);
+ drm_global_item_unref(&vbox->ttm.mem_global_ref);
+}
+
+static void vbox_bo_ttm_destroy(struct ttm_buffer_object *tbo)
+{
+ struct vbox_bo *bo;
+
+ bo = container_of(tbo, struct vbox_bo, bo);
+
+ drm_gem_object_release(&bo->gem);
+ kfree(bo);
+}
+
+static bool vbox_ttm_bo_is_vbox_bo(struct ttm_buffer_object *bo)
+{
+ if (bo->destroy == &vbox_bo_ttm_destroy)
+ return true;
+
+ return false;
+}
+
+static int
+vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type,
+ struct ttm_mem_type_manager *man)
+{
+ switch (type) {
+ case TTM_PL_SYSTEM:
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
+ man->available_caching = TTM_PL_MASK_CACHING;
+ man->default_caching = TTM_PL_FLAG_CACHED;
+ break;
+ case TTM_PL_VRAM:
+ man->func = &ttm_bo_manager_func;
+ man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
+ man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
+ man->default_caching = TTM_PL_FLAG_WC;
+ break;
+ default:
+ DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void
+vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
+{
+ struct vbox_bo *vboxbo = vbox_bo(bo);
+
+ if (!vbox_ttm_bo_is_vbox_bo(bo))
+ return;
+
+ vbox_ttm_placement(vboxbo, TTM_PL_FLAG_SYSTEM);
+ *pl = vboxbo->placement;
+}
+
+static int vbox_bo_verify_access(struct ttm_buffer_object *bo,
+ struct file *filp)
+{
+ return 0;
+}
+
+static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
+{
+ struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+ struct vbox_private *vbox = vbox_bdev(bdev);
+
+ mem->bus.addr = NULL;
+ mem->bus.offset = 0;
+ mem->bus.size = mem->num_pages << PAGE_SHIFT;
+ mem->bus.base = 0;
+ mem->bus.is_iomem = false;
+ if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+ return -EINVAL;
+ switch (mem->mem_type) {
+ case TTM_PL_SYSTEM:
+ /* system memory */
+ return 0;
+ case TTM_PL_VRAM:
+ mem->bus.offset = mem->start << PAGE_SHIFT;
+ mem->bus.base = pci_resource_start(vbox->dev->pdev, 0);
+ mem->bus.is_iomem = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
+{
+}
+
+static int vbox_bo_move(struct ttm_buffer_object *bo,
+ bool evict, bool interruptible,
+ bool no_wait_gpu, struct ttm_mem_reg *new_mem)
+{
+ return ttm_bo_move_memcpy(bo, interruptible, no_wait_gpu, new_mem);
+}
+
+static void vbox_ttm_backend_destroy(struct ttm_tt *tt)
+{
+ ttm_tt_fini(tt);
+ kfree(tt);
+}
+
+static struct ttm_backend_func vbox_tt_backend_func = {
+ .destroy = &vbox_ttm_backend_destroy,
+};
+
+static struct ttm_tt *vbox_ttm_tt_create(struct ttm_bo_device *bdev,
+ unsigned long size,
+ u32 page_flags,
+ struct page *dummy_read_page)
+{
+ struct ttm_tt *tt;
+
+ tt = kzalloc(sizeof(*tt), GFP_KERNEL);
+ if (!tt)
+ return NULL;
+
+ tt->func = &vbox_tt_backend_func;
+ if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) {
+ kfree(tt);
+ return NULL;
+ }
+
+ return tt;
+}
+
+static int vbox_ttm_tt_populate(struct ttm_tt *ttm)
+{
+ return ttm_pool_populate(ttm);
+}
+
+static void vbox_ttm_tt_unpopulate(struct ttm_tt *ttm)
+{
+ ttm_pool_unpopulate(ttm);
+}
+
+struct ttm_bo_driver vbox_bo_driver = {
+ .ttm_tt_create = vbox_ttm_tt_create,
+ .ttm_tt_populate = vbox_ttm_tt_populate,
+ .ttm_tt_unpopulate = vbox_ttm_tt_unpopulate,
+ .init_mem_type = vbox_bo_init_mem_type,
+ .eviction_valuable = ttm_bo_eviction_valuable,
+ .evict_flags = vbox_bo_evict_flags,
+ .move = vbox_bo_move,
+ .verify_access = vbox_bo_verify_access,
+ .io_mem_reserve = &vbox_ttm_io_mem_reserve,
+ .io_mem_free = &vbox_ttm_io_mem_free,
+ .io_mem_pfn = ttm_bo_default_io_mem_pfn,
+};
+
+int vbox_mm_init(struct vbox_private *vbox)
+{
+ int ret;
+ struct drm_device *dev = vbox->dev;
+ struct ttm_bo_device *bdev = &vbox->ttm.bdev;
+
+ ret = vbox_ttm_global_init(vbox);
+ if (ret)
+ return ret;
+
+ ret = ttm_bo_device_init(&vbox->ttm.bdev,
+ vbox->ttm.bo_global_ref.ref.object,
+ &vbox_bo_driver,
+ dev->anon_inode->i_mapping,
+ DRM_FILE_PAGE_OFFSET, true);
+ if (ret) {
+ DRM_ERROR("Error initialising bo driver; %d\n", ret);
+ goto err_ttm_global_release;
+ }
+
+ ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
+ vbox->available_vram_size >> PAGE_SHIFT);
+ if (ret) {
+ DRM_ERROR("Failed ttm VRAM init: %d\n", ret);
+ goto err_device_release;
+ }
+
+#ifdef DRM_MTRR_WC
+ vbox->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 0),
+ pci_resource_len(dev->pdev, 0),
+ DRM_MTRR_WC);
+#else
+ vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0),
+ pci_resource_len(dev->pdev, 0));
+#endif
+ return 0;
+
+err_device_release:
+ ttm_bo_device_release(&vbox->ttm.bdev);
+err_ttm_global_release:
+ vbox_ttm_global_release(vbox);
+ return ret;
+}
+
+void vbox_mm_fini(struct vbox_private *vbox)
+{
+#ifdef DRM_MTRR_WC
+ drm_mtrr_del(vbox->fb_mtrr,
+ pci_resource_start(vbox->dev->pdev, 0),
+ pci_resource_len(vbox->dev->pdev, 0), DRM_MTRR_WC);
+#else
+ arch_phys_wc_del(vbox->fb_mtrr);
+#endif
+ ttm_bo_device_release(&vbox->ttm.bdev);
+ vbox_ttm_global_release(vbox);
+}
+
+void vbox_ttm_placement(struct vbox_bo *bo, int domain)
+{
+ unsigned int i;
+ u32 c = 0;
+
+ bo->placement.placement = bo->placements;
+ bo->placement.busy_placement = bo->placements;
+
+ if (domain & TTM_PL_FLAG_VRAM)
+ bo->placements[c++].flags =
+ TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM;
+ if (domain & TTM_PL_FLAG_SYSTEM)
+ bo->placements[c++].flags =
+ TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
+ if (!c)
+ bo->placements[c++].flags =
+ TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
+
+ bo->placement.num_placement = c;
+ bo->placement.num_busy_placement = c;
+
+ for (i = 0; i < c; ++i) {
+ bo->placements[i].fpfn = 0;
+ bo->placements[i].lpfn = 0;
+ }
+}
+
+int vbox_bo_create(struct drm_device *dev, int size, int align,
+ u32 flags, struct vbox_bo **pvboxbo)
+{
+ struct vbox_private *vbox = dev->dev_private;
+ struct vbox_bo *vboxbo;
+ size_t acc_size;
+ int ret;
+
+ vboxbo = kzalloc(sizeof(*vboxbo), GFP_KERNEL);
+ if (!vboxbo)
+ return -ENOMEM;
+
+ ret = drm_gem_object_init(dev, &vboxbo->gem, size);
+ if (ret)
+ goto err_free_vboxbo;
+
+ vboxbo->bo.bdev = &vbox->ttm.bdev;
+
+ vbox_ttm_placement(vboxbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
+
+ acc_size = ttm_bo_dma_acc_size(&vbox->ttm.bdev, size,
+ sizeof(struct vbox_bo));
+
+ ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size,
+ ttm_bo_type_device, &vboxbo->placement,
+ align >> PAGE_SHIFT, false, NULL, acc_size,
+ NULL, NULL, vbox_bo_ttm_destroy);
+ if (ret)
+ goto err_free_vboxbo;
+
+ *pvboxbo = vboxbo;
+
+ return 0;
+
+err_free_vboxbo:
+ kfree(vboxbo);
+ return ret;
+}
+
+static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo)
+{
+ return bo->bo.offset;
+}
+
+int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr)
+{
+ int i, ret;
+
+ if (bo->pin_count) {
+ bo->pin_count++;
+ if (gpu_addr)
+ *gpu_addr = vbox_bo_gpu_offset(bo);
+
+ return 0;
+ }
+
+ vbox_ttm_placement(bo, pl_flag);
+
+ for (i = 0; i < bo->placement.num_placement; i++)
+ bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
+
+ ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
+ if (ret)
+ return ret;
+
+ bo->pin_count = 1;
+
+ if (gpu_addr)
+ *gpu_addr = vbox_bo_gpu_offset(bo);
+
+ return 0;
+}
+
+int vbox_bo_unpin(struct vbox_bo *bo)
+{
+ int i, ret;
+
+ if (!bo->pin_count) {
+ DRM_ERROR("unpin bad %p\n", bo);
+ return 0;
+ }
+ bo->pin_count--;
+ if (bo->pin_count)
+ return 0;
+
+ for (i = 0; i < bo->placement.num_placement; i++)
+ bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
+
+ ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * Move a vbox-owned buffer object to system memory if no one else has it
+ * pinned. The caller must have pinned it previously, and this call will
+ * release the caller's pin.
+ */
+int vbox_bo_push_sysram(struct vbox_bo *bo)
+{
+ int i, ret;
+
+ if (!bo->pin_count) {
+ DRM_ERROR("unpin bad %p\n", bo);
+ return 0;
+ }
+ bo->pin_count--;
+ if (bo->pin_count)
+ return 0;
+
+ if (bo->kmap.virtual)
+ ttm_bo_kunmap(&bo->kmap);
+
+ vbox_ttm_placement(bo, TTM_PL_FLAG_SYSTEM);
+
+ for (i = 0; i < bo->placement.num_placement; i++)
+ bo->placements[i].flags |= TTM_PL_FLAG_NO_EVICT;
+
+ ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false);
+ if (ret) {
+ DRM_ERROR("pushing to VRAM failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+int vbox_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+ struct drm_file *file_priv;
+ struct vbox_private *vbox;
+
+ if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
+ return -EINVAL;
+
+ file_priv = filp->private_data;
+ vbox = file_priv->minor->dev->dev_private;
+
+ return ttm_bo_mmap(filp, vma, &vbox->ttm.bdev);
+}
diff --git a/drivers/staging/vboxvideo/vboxvideo.h b/drivers/staging/vboxvideo/vboxvideo.h
new file mode 100644
index 0000000..d835d75
--- /dev/null
+++ b/drivers/staging/vboxvideo/vboxvideo.h
@@ -0,0 +1,491 @@
+/*
+ * Copyright (C) 2006-2016 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+
+#ifndef __VBOXVIDEO_H__
+#define __VBOXVIDEO_H__
+
+/*
+ * This should be in sync with monitorCount <xsd:maxInclusive value="64"/> in
+ * src/VBox/Main/xml/VirtualBox-settings-common.xsd
+ */
+#define VBOX_VIDEO_MAX_SCREENS 64
+
+/*
+ * The last 4096 bytes of the guest VRAM contains the generic info for all
+ * DualView chunks: sizes and offsets of chunks. This is filled by miniport.
+ *
+ * Last 4096 bytes of each chunk contain chunk specific data: framebuffer info,
+ * etc. This is used exclusively by the corresponding instance of a display
+ * driver.
+ *
+ * The VRAM layout:
+ * Last 4096 bytes - Adapter information area.
+ * 4096 bytes aligned miniport heap (value specified in the config rouded up).
+ * Slack - what left after dividing the VRAM.
+ * 4096 bytes aligned framebuffers:
+ * last 4096 bytes of each framebuffer is the display information area.
+ *
+ * The Virtual Graphics Adapter information in the guest VRAM is stored by the
+ * guest video driver using structures prepended by VBOXVIDEOINFOHDR.
+ *
+ * When the guest driver writes dword 0 to the VBE_DISPI_INDEX_VBOX_VIDEO
+ * the host starts to process the info. The first element at the start of
+ * the 4096 bytes region should be normally be a LINK that points to
+ * actual information chain. That way the guest driver can have some
+ * fixed layout of the information memory block and just rewrite
+ * the link to point to relevant memory chain.
+ *
+ * The processing stops at the END element.
+ *
+ * The host can access the memory only when the port IO is processed.
+ * All data that will be needed later must be copied from these 4096 bytes.
+ * But other VRAM can be used by host until the mode is disabled.
+ *
+ * The guest driver writes dword 0xffffffff to the VBE_DISPI_INDEX_VBOX_VIDEO
+ * to disable the mode.
+ *
+ * VBE_DISPI_INDEX_VBOX_VIDEO is used to read the configuration information
+ * from the host and issue commands to the host.
+ *
+ * The guest writes the VBE_DISPI_INDEX_VBOX_VIDEO index register, the the
+ * following operations with the VBE data register can be performed:
+ *
+ * Operation Result
+ * write 16 bit value NOP
+ * read 16 bit value count of monitors
+ * write 32 bit value set the vbox cmd value and the cmd processed by the host
+ * read 32 bit value result of the last vbox command is returned
+ */
+
+/**
+ * VBVA command header.
+ *
+ * @todo Where does this fit in?
+ */
+struct vbva_cmd_hdr {
+ /** Coordinates of affected rectangle. */
+ s16 x;
+ s16 y;
+ u16 w;
+ u16 h;
+} __packed;
+
+/** @name VBVA ring defines.
+ *
+ * The VBVA ring buffer is suitable for transferring large (< 2GB) amount of
+ * data. For example big bitmaps which do not fit to the buffer.
+ *
+ * Guest starts writing to the buffer by initializing a record entry in the
+ * records queue. VBVA_F_RECORD_PARTIAL indicates that the record is being
+ * written. As data is written to the ring buffer, the guest increases
+ * free_offset.
+ *
+ * The host reads the records on flushes and processes all completed records.
+ * When host encounters situation when only a partial record presents and
+ * len_and_flags & ~VBVA_F_RECORD_PARTIAL >= VBVA_RING_BUFFER_SIZE -
+ * VBVA_RING_BUFFER_THRESHOLD, the host fetched all record data and updates
+ * data_offset. After that on each flush the host continues fetching the data
+ * until the record is completed.
+ *
+ */
+#define VBVA_RING_BUFFER_SIZE (4194304 - 1024)
+#define VBVA_RING_BUFFER_THRESHOLD (4096)
+
+#define VBVA_MAX_RECORDS (64)
+
+#define VBVA_F_MODE_ENABLED 0x00000001u
+#define VBVA_F_MODE_VRDP 0x00000002u
+#define VBVA_F_MODE_VRDP_RESET 0x00000004u
+#define VBVA_F_MODE_VRDP_ORDER_MASK 0x00000008u
+
+#define VBVA_F_STATE_PROCESSING 0x00010000u
+
+#define VBVA_F_RECORD_PARTIAL 0x80000000u
+
+/**
+ * VBVA record.
+ */
+struct vbva_record {
+ /** The length of the record. Changed by guest. */
+ u32 len_and_flags;
+} __packed;
+
+/*
+ * The minimum HGSMI heap size is PAGE_SIZE (4096 bytes) and is a restriction of
+ * the runtime heapsimple API. Use minimum 2 pages here, because the info area
+ * also may contain other data (for example hgsmi_host_flags structure).
+ */
+#define VBVA_ADAPTER_INFORMATION_SIZE 65536
+#define VBVA_MIN_BUFFER_SIZE 65536
+
+/* The value for port IO to let the adapter to interpret the adapter memory. */
+#define VBOX_VIDEO_DISABLE_ADAPTER_MEMORY 0xFFFFFFFF
+
+/* The value for port IO to let the adapter to interpret the adapter memory. */
+#define VBOX_VIDEO_INTERPRET_ADAPTER_MEMORY 0x00000000
+
+/* The value for port IO to let the adapter to interpret the display memory.
+ * The display number is encoded in low 16 bits.
+ */
+#define VBOX_VIDEO_INTERPRET_DISPLAY_MEMORY_BASE 0x00010000
+
+struct vbva_host_flags {
+ u32 host_events;
+ u32 supported_orders;
+} __packed;
+
+struct vbva_buffer {
+ struct vbva_host_flags host_flags;
+
+ /* The offset where the data start in the buffer. */
+ u32 data_offset;
+ /* The offset where next data must be placed in the buffer. */
+ u32 free_offset;
+
+ /* The queue of record descriptions. */
+ struct vbva_record records[VBVA_MAX_RECORDS];
+ u32 record_first_index;
+ u32 record_free_index;
+
+ /* Space to leave free when large partial records are transferred. */
+ u32 partial_write_tresh;
+
+ u32 data_len;
+ /* variable size for the rest of the vbva_buffer area in VRAM. */
+ u8 data[0];
+} __packed;
+
+#define VBVA_MAX_RECORD_SIZE (128 * 1024 * 1024)
+
+/* guest->host commands */
+#define VBVA_QUERY_CONF32 1
+#define VBVA_SET_CONF32 2
+#define VBVA_INFO_VIEW 3
+#define VBVA_INFO_HEAP 4
+#define VBVA_FLUSH 5
+#define VBVA_INFO_SCREEN 6
+#define VBVA_ENABLE 7
+#define VBVA_MOUSE_POINTER_SHAPE 8
+/* informs host about HGSMI caps. see vbva_caps below */
+#define VBVA_INFO_CAPS 12
+/* configures scanline, see VBVASCANLINECFG below */
+#define VBVA_SCANLINE_CFG 13
+/* requests scanline info, see VBVASCANLINEINFO below */
+#define VBVA_SCANLINE_INFO 14
+/* inform host about VBVA Command submission */
+#define VBVA_CMDVBVA_SUBMIT 16
+/* inform host about VBVA Command submission */
+#define VBVA_CMDVBVA_FLUSH 17
+/* G->H DMA command */
+#define VBVA_CMDVBVA_CTL 18
+/* Query most recent mode hints sent */
+#define VBVA_QUERY_MODE_HINTS 19
+/**
+ * Report the guest virtual desktop position and size for mapping host and
+ * guest pointer positions.
+ */
+#define VBVA_REPORT_INPUT_MAPPING 20
+/** Report the guest cursor position and query the host position. */
+#define VBVA_CURSOR_POSITION 21
+
+/* host->guest commands */
+#define VBVAHG_EVENT 1
+#define VBVAHG_DISPLAY_CUSTOM 2
+
+/* vbva_conf32::index */
+#define VBOX_VBVA_CONF32_MONITOR_COUNT 0
+#define VBOX_VBVA_CONF32_HOST_HEAP_SIZE 1
+/**
+ * Returns VINF_SUCCESS if the host can report mode hints via VBVA.
+ * Set value to VERR_NOT_SUPPORTED before calling.
+ */
+#define VBOX_VBVA_CONF32_MODE_HINT_REPORTING 2
+/**
+ * Returns VINF_SUCCESS if the host can report guest cursor enabled status via
+ * VBVA. Set value to VERR_NOT_SUPPORTED before calling.
+ */
+#define VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING 3
+/**
+ * Returns the currently available host cursor capabilities. Available if
+ * vbva_conf32::VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING returns success.
+ * @see VMMDevReqMouseStatus::mouseFeatures.
+ */
+#define VBOX_VBVA_CONF32_CURSOR_CAPABILITIES 4
+/** Returns the supported flags in vbva_infoscreen::flags. */
+#define VBOX_VBVA_CONF32_SCREEN_FLAGS 5
+/** Returns the max size of VBVA record. */
+#define VBOX_VBVA_CONF32_MAX_RECORD_SIZE 6
+
+struct vbva_conf32 {
+ u32 index;
+ u32 value;
+} __packed;
+
+/** Reserved for historical reasons. */
+#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED0 BIT(0)
+/**
+ * Guest cursor capability: can the host show a hardware cursor at the host
+ * pointer location?
+ */
+#define VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE BIT(1)
+/** Reserved for historical reasons. */
+#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED2 BIT(2)
+/** Reserved for historical reasons. Must always be unset. */
+#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED3 BIT(3)
+/** Reserved for historical reasons. */
+#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED4 BIT(4)
+/** Reserved for historical reasons. */
+#define VBOX_VBVA_CURSOR_CAPABILITY_RESERVED5 BIT(5)
+
+struct vbva_infoview {
+ /* Index of the screen, assigned by the guest. */
+ u32 view_index;
+
+ /* The screen offset in VRAM, the framebuffer starts here. */
+ u32 view_offset;
+
+ /* The size of the VRAM memory that can be used for the view. */
+ u32 view_size;
+
+ /* The recommended maximum size of the VRAM memory for the screen. */
+ u32 max_screen_size;
+} __packed;
+
+struct vbva_flush {
+ u32 reserved;
+} __packed;
+
+/* vbva_infoscreen::flags */
+#define VBVA_SCREEN_F_NONE 0x0000
+#define VBVA_SCREEN_F_ACTIVE 0x0001
+/**
+ * The virtual monitor has been disabled by the guest and should be removed
+ * by the host and ignored for purposes of pointer position calculation.
+ */
+#define VBVA_SCREEN_F_DISABLED 0x0002
+/**
+ * The virtual monitor has been blanked by the guest and should be blacked
+ * out by the host using width, height, etc values from the vbva_infoscreen
+ * request.
+ */
+#define VBVA_SCREEN_F_BLANK 0x0004
+/**
+ * The virtual monitor has been blanked by the guest and should be blacked
+ * out by the host using the previous mode values for width. height, etc.
+ */
+#define VBVA_SCREEN_F_BLANK2 0x0008
+
+struct vbva_infoscreen {
+ /* Which view contains the screen. */
+ u32 view_index;
+
+ /* Physical X origin relative to the primary screen. */
+ s32 origin_x;
+
+ /* Physical Y origin relative to the primary screen. */
+ s32 origin_y;
+
+ /* Offset of visible framebuffer relative to the framebuffer start. */
+ u32 start_offset;
+
+ /* The scan line size in bytes. */
+ u32 line_size;
+
+ /* Width of the screen. */
+ u32 width;
+
+ /* Height of the screen. */
+ u32 height;
+
+ /* Color depth. */
+ u16 bits_per_pixel;
+
+ /* VBVA_SCREEN_F_* */
+ u16 flags;
+} __packed;
+
+/* vbva_enable::flags */
+#define VBVA_F_NONE 0x00000000
+#define VBVA_F_ENABLE 0x00000001
+#define VBVA_F_DISABLE 0x00000002
+/* extended VBVA to be used with WDDM */
+#define VBVA_F_EXTENDED 0x00000004
+/* vbva offset is absolute VRAM offset */
+#define VBVA_F_ABSOFFSET 0x00000008
+
+struct vbva_enable {
+ u32 flags;
+ u32 offset;
+ s32 result;
+} __packed;
+
+struct vbva_enable_ex {
+ struct vbva_enable base;
+ u32 screen_id;
+} __packed;
+
+struct vbva_mouse_pointer_shape {
+ /* The host result. */
+ s32 result;
+
+ /* VBOX_MOUSE_POINTER_* bit flags. */
+ u32 flags;
+
+ /* X coordinate of the hot spot. */
+ u32 hot_X;
+
+ /* Y coordinate of the hot spot. */
+ u32 hot_y;
+
+ /* Width of the pointer in pixels. */
+ u32 width;
+
+ /* Height of the pointer in scanlines. */
+ u32 height;
+
+ /* Pointer data.
+ *
+ ****
+ * The data consists of 1 bpp AND mask followed by 32 bpp XOR (color)
+ * mask.
+ *
+ * For pointers without alpha channel the XOR mask pixels are 32 bit
+ * values: (lsb)BGR0(msb). For pointers with alpha channel the XOR mask
+ * consists of (lsb)BGRA(msb) 32 bit values.
+ *
+ * Guest driver must create the AND mask for pointers with alpha chan.,
+ * so if host does not support alpha, the pointer could be displayed as
+ * a normal color pointer. The AND mask can be constructed from alpha
+ * values. For example alpha value >= 0xf0 means bit 0 in the AND mask.
+ *
+ * The AND mask is 1 bpp bitmap with byte aligned scanlines. Size of AND
+ * mask, therefore, is and_len = (width + 7) / 8 * height. The padding
+ * bits at the end of any scanline are undefined.
+ *
+ * The XOR mask follows the AND mask on the next 4 bytes aligned offset:
+ * u8 *xor = and + (and_len + 3) & ~3
+ * Bytes in the gap between the AND and the XOR mask are undefined.
+ * XOR mask scanlines have no gap between them and size of XOR mask is:
+ * xor_len = width * 4 * height.
+ ****
+ *
+ * Preallocate 4 bytes for accessing actual data as p->data.
+ */
+ u8 data[4];
+} __packed;
+
+/**
+ * @name vbva_mouse_pointer_shape::flags
+ * @note The VBOX_MOUSE_POINTER_* flags are used in the guest video driver,
+ * values must be <= 0x8000 and must not be changed. (try make more sense
+ * of this, please).
+ * @{
+ */
+
+/** pointer is visible */
+#define VBOX_MOUSE_POINTER_VISIBLE 0x0001
+/** pointer has alpha channel */
+#define VBOX_MOUSE_POINTER_ALPHA 0x0002
+/** pointerData contains new pointer shape */
+#define VBOX_MOUSE_POINTER_SHAPE 0x0004
+
+/** @} */
+
+/*
+ * The guest driver can handle asynch guest cmd completion by reading the
+ * command offset from io port.
+ */
+#define VBVACAPS_COMPLETEGCMD_BY_IOREAD 0x00000001
+/* the guest driver can handle video adapter IRQs */
+#define VBVACAPS_IRQ 0x00000002
+/** The guest can read video mode hints sent via VBVA. */
+#define VBVACAPS_VIDEO_MODE_HINTS 0x00000004
+/** The guest can switch to a software cursor on demand. */
+#define VBVACAPS_DISABLE_CURSOR_INTEGRATION 0x00000008
+/** The guest does not depend on host handling the VBE registers. */
+#define VBVACAPS_USE_VBVA_ONLY 0x00000010
+
+struct vbva_caps {
+ s32 rc;
+ u32 caps;
+} __packed;
+
+/** Query the most recent mode hints received from the host. */
+struct vbva_query_mode_hints {
+ /** The maximum number of screens to return hints for. */
+ u16 hints_queried_count;
+ /** The size of the mode hint structures directly following this one. */
+ u16 hint_structure_guest_size;
+ /** Return code for the operation. Initialise to VERR_NOT_SUPPORTED. */
+ s32 rc;
+} __packed;
+
+/**
+ * Structure in which a mode hint is returned. The guest allocates an array
+ * of these immediately after the vbva_query_mode_hints structure.
+ * To accommodate future extensions, the vbva_query_mode_hints structure
+ * specifies the size of the vbva_modehint structures allocated by the guest,
+ * and the host only fills out structure elements which fit into that size. The
+ * host should fill any unused members (e.g. dx, dy) or structure space on the
+ * end with ~0. The whole structure can legally be set to ~0 to skip a screen.
+ */
+struct vbva_modehint {
+ u32 magic;
+ u32 cx;
+ u32 cy;
+ u32 bpp; /* Which has never been used... */
+ u32 display;
+ u32 dx; /**< X offset into the virtual frame-buffer. */
+ u32 dy; /**< Y offset into the virtual frame-buffer. */
+ u32 enabled; /* Not flags. Add new members for new flags. */
+} __packed;
+
+#define VBVAMODEHINT_MAGIC 0x0801add9u
+
+/**
+ * Report the rectangle relative to which absolute pointer events should be
+ * expressed. This information remains valid until the next VBVA resize event
+ * for any screen, at which time it is reset to the bounding rectangle of all
+ * virtual screens and must be re-set.
+ * @see VBVA_REPORT_INPUT_MAPPING.
+ */
+struct vbva_report_input_mapping {
+ s32 x; /**< Upper left X co-ordinate relative to the first screen. */
+ s32 y; /**< Upper left Y co-ordinate relative to the first screen. */
+ u32 cx; /**< Rectangle width. */
+ u32 cy; /**< Rectangle height. */
+} __packed;
+
+/**
+ * Report the guest cursor position and query the host one. The host may wish
+ * to use the guest information to re-position its own cursor (though this is
+ * currently unlikely).
+ * @see VBVA_CURSOR_POSITION
+ */
+struct vbva_cursor_position {
+ u32 report_position; /**< Are we reporting a position? */
+ u32 x; /**< Guest cursor X position */
+ u32 y; /**< Guest cursor Y position */
+} __packed;
+
+#endif
diff --git a/drivers/staging/vboxvideo/vboxvideo_guest.h b/drivers/staging/vboxvideo/vboxvideo_guest.h
new file mode 100644
index 0000000..d09da84
--- /dev/null
+++ b/drivers/staging/vboxvideo/vboxvideo_guest.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VBOXVIDEO_GUEST_H__
+#define __VBOXVIDEO_GUEST_H__
+
+#include <linux/genalloc.h>
+#include "vboxvideo.h"
+
+/**
+ * Structure grouping the context needed for sending graphics acceleration
+ * information to the host via VBVA. Each screen has its own VBVA buffer.
+ */
+struct vbva_buf_ctx {
+ /** Offset of the buffer in the VRAM section for the screen */
+ u32 buffer_offset;
+ /** Length of the buffer in bytes */
+ u32 buffer_length;
+ /** Set if we wrote to the buffer faster than the host could read it */
+ bool buffer_overflow;
+ /** VBVA record that we are currently preparing for the host, or NULL */
+ struct vbva_record *record;
+ /**
+ * Pointer to the VBVA buffer mapped into the current address space.
+ * Will be NULL if VBVA is not enabled.
+ */
+ struct vbva_buffer *vbva;
+};
+
+/**
+ * @name Base HGSMI APIs
+ * @{
+ */
+int hgsmi_report_flags_location(struct gen_pool *ctx, u32 location);
+int hgsmi_send_caps_info(struct gen_pool *ctx, u32 caps);
+int hgsmi_test_query_conf(struct gen_pool *ctx);
+int hgsmi_query_conf(struct gen_pool *ctx, u32 index, u32 *value_ret);
+int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags,
+ u32 hot_x, u32 hot_y, u32 width, u32 height,
+ u8 *pixels, u32 len);
+int hgsmi_cursor_position(struct gen_pool *ctx, bool report_position,
+ u32 x, u32 y, u32 *x_host, u32 *y_host);
+/** @} */
+
+/**
+ * @name VBVA APIs
+ * @{
+ */
+bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ struct vbva_buffer *vbva, s32 screen);
+void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ s32 screen);
+bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx,
+ struct gen_pool *ctx);
+void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx);
+bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ const void *p, u32 len);
+void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx,
+ u32 buffer_offset, u32 buffer_length);
+/** @} */
+
+/**
+ * @name Modesetting APIs
+ * @{
+ */
+void hgsmi_process_display_info(struct gen_pool *ctx, u32 display,
+ s32 origin_x, s32 origin_y, u32 start_offset,
+ u32 pitch, u32 width, u32 height,
+ u16 bpp, u16 flags);
+int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y,
+ u32 width, u32 height);
+int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens,
+ struct vbva_modehint *hints);
+/** @} */
+
+#endif
diff --git a/drivers/staging/vboxvideo/vboxvideo_vbe.h b/drivers/staging/vboxvideo/vboxvideo_vbe.h
new file mode 100644
index 0000000..f842f4d
--- /dev/null
+++ b/drivers/staging/vboxvideo/vboxvideo_vbe.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VBOXVIDEO_VBE_H__
+#define __VBOXVIDEO_VBE_H__
+
+/* GUEST <-> HOST Communication API */
+
+/**
+ * @todo FIXME: Either dynamicly ask host for this or put somewhere high in
+ * physical memory like 0xE0000000.
+ */
+
+#define VBE_DISPI_BANK_ADDRESS 0xA0000
+#define VBE_DISPI_BANK_SIZE_KB 64
+
+#define VBE_DISPI_MAX_XRES 16384
+#define VBE_DISPI_MAX_YRES 16384
+#define VBE_DISPI_MAX_BPP 32
+
+#define VBE_DISPI_IOPORT_INDEX 0x01CE
+#define VBE_DISPI_IOPORT_DATA 0x01CF
+
+#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
+#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
+
+#define VBE_DISPI_INDEX_ID 0x0
+#define VBE_DISPI_INDEX_XRES 0x1
+#define VBE_DISPI_INDEX_YRES 0x2
+#define VBE_DISPI_INDEX_BPP 0x3
+#define VBE_DISPI_INDEX_ENABLE 0x4
+#define VBE_DISPI_INDEX_BANK 0x5
+#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
+#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+#define VBE_DISPI_INDEX_X_OFFSET 0x8
+#define VBE_DISPI_INDEX_Y_OFFSET 0x9
+#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
+#define VBE_DISPI_INDEX_FB_BASE_HI 0xb
+
+#define VBE_DISPI_ID0 0xB0C0
+#define VBE_DISPI_ID1 0xB0C1
+#define VBE_DISPI_ID2 0xB0C2
+#define VBE_DISPI_ID3 0xB0C3
+#define VBE_DISPI_ID4 0xB0C4
+
+#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
+/* The VBOX interface id. Indicates support for VBVA shared memory interface. */
+#define VBE_DISPI_ID_HGSMI 0xBE01
+#define VBE_DISPI_ID_ANYX 0xBE02
+
+#define VBE_DISPI_DISABLED 0x00
+#define VBE_DISPI_ENABLED 0x01
+#define VBE_DISPI_GETCAPS 0x02
+#define VBE_DISPI_8BIT_DAC 0x20
+/**
+ * @note this definition is a BOCHS legacy, used only in the video BIOS
+ * code and ignored by the emulated hardware.
+ */
+#define VBE_DISPI_LFB_ENABLED 0x40
+#define VBE_DISPI_NOCLEARMEM 0x80
+
+#define VGA_PORT_HGSMI_HOST 0x3b0
+#define VGA_PORT_HGSMI_GUEST 0x3d0
+
+#endif
diff --git a/drivers/staging/vboxvideo/vbva_base.c b/drivers/staging/vboxvideo/vbva_base.c
new file mode 100644
index 0000000..c10c782
--- /dev/null
+++ b/drivers/staging/vboxvideo/vbva_base.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2006-2017 Oracle Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "vbox_drv.h"
+#include "vbox_err.h"
+#include "vboxvideo_guest.h"
+#include "hgsmi_channels.h"
+
+/*
+ * There is a hardware ring buffer in the graphics device video RAM, formerly
+ * in the VBox VMMDev PCI memory space.
+ * All graphics commands go there serialized by vbva_buffer_begin_update.
+ * and vbva_buffer_end_update.
+ *
+ * free_offset is writing position. data_offset is reading position.
+ * free_offset == data_offset means buffer is empty.
+ * There must be always gap between data_offset and free_offset when data
+ * are in the buffer.
+ * Guest only changes free_offset, host changes data_offset.
+ */
+
+static u32 vbva_buffer_available(const struct vbva_buffer *vbva)
+{
+ s32 diff = vbva->data_offset - vbva->free_offset;
+
+ return diff > 0 ? diff : vbva->data_len + diff;
+}
+
+static void vbva_buffer_place_data_at(struct vbva_buf_ctx *vbva_ctx,
+ const void *p, u32 len, u32 offset)
+{
+ struct vbva_buffer *vbva = vbva_ctx->vbva;
+ u32 bytes_till_boundary = vbva->data_len - offset;
+ u8 *dst = &vbva->data[offset];
+ s32 diff = len - bytes_till_boundary;
+
+ if (diff <= 0) {
+ /* Chunk will not cross buffer boundary. */
+ memcpy(dst, p, len);
+ } else {
+ /* Chunk crosses buffer boundary. */
+ memcpy(dst, p, bytes_till_boundary);
+ memcpy(&vbva->data[0], (u8 *)p + bytes_till_boundary, diff);
+ }
+}
+
+static void vbva_buffer_flush(struct gen_pool *ctx)
+{
+ struct vbva_flush *p;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_FLUSH);
+ if (!p)
+ return;
+
+ p->reserved = 0;
+
+ hgsmi_buffer_submit(ctx, p);
+ hgsmi_buffer_free(ctx, p);
+}
+
+bool vbva_write(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ const void *p, u32 len)
+{
+ struct vbva_record *record;
+ struct vbva_buffer *vbva;
+ u32 available;
+
+ vbva = vbva_ctx->vbva;
+ record = vbva_ctx->record;
+
+ if (!vbva || vbva_ctx->buffer_overflow ||
+ !record || !(record->len_and_flags & VBVA_F_RECORD_PARTIAL))
+ return false;
+
+ available = vbva_buffer_available(vbva);
+
+ while (len > 0) {
+ u32 chunk = len;
+
+ if (chunk >= available) {
+ vbva_buffer_flush(ctx);
+ available = vbva_buffer_available(vbva);
+ }
+
+ if (chunk >= available) {
+ if (WARN_ON(available <= vbva->partial_write_tresh)) {
+ vbva_ctx->buffer_overflow = true;
+ return false;
+ }
+ chunk = available - vbva->partial_write_tresh;
+ }
+
+ vbva_buffer_place_data_at(vbva_ctx, p, chunk,
+ vbva->free_offset);
+
+ vbva->free_offset = (vbva->free_offset + chunk) %
+ vbva->data_len;
+ record->len_and_flags += chunk;
+ available -= chunk;
+ len -= chunk;
+ p += chunk;
+ }
+
+ return true;
+}
+
+static bool vbva_inform_host(struct vbva_buf_ctx *vbva_ctx,
+ struct gen_pool *ctx, s32 screen, bool enable)
+{
+ struct vbva_enable_ex *p;
+ bool ret;
+
+ p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, VBVA_ENABLE);
+ if (!p)
+ return false;
+
+ p->base.flags = enable ? VBVA_F_ENABLE : VBVA_F_DISABLE;
+ p->base.offset = vbva_ctx->buffer_offset;
+ p->base.result = VERR_NOT_SUPPORTED;
+ if (screen >= 0) {
+ p->base.flags |= VBVA_F_EXTENDED | VBVA_F_ABSOFFSET;
+ p->screen_id = screen;
+ }
+
+ hgsmi_buffer_submit(ctx, p);
+
+ if (enable)
+ ret = RT_SUCCESS(p->base.result);
+ else
+ ret = true;
+
+ hgsmi_buffer_free(ctx, p);
+
+ return ret;
+}
+
+bool vbva_enable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ struct vbva_buffer *vbva, s32 screen)
+{
+ bool ret = false;
+
+ memset(vbva, 0, sizeof(*vbva));
+ vbva->partial_write_tresh = 256;
+ vbva->data_len = vbva_ctx->buffer_length - sizeof(struct vbva_buffer);
+ vbva_ctx->vbva = vbva;
+
+ ret = vbva_inform_host(vbva_ctx, ctx, screen, true);
+ if (!ret)
+ vbva_disable(vbva_ctx, ctx, screen);
+
+ return ret;
+}
+
+void vbva_disable(struct vbva_buf_ctx *vbva_ctx, struct gen_pool *ctx,
+ s32 screen)
+{
+ vbva_ctx->buffer_overflow = false;
+ vbva_ctx->record = NULL;
+ vbva_ctx->vbva = NULL;
+
+ vbva_inform_host(vbva_ctx, ctx, screen, false);
+}
+
+bool vbva_buffer_begin_update(struct vbva_buf_ctx *vbva_ctx,
+ struct gen_pool *ctx)
+{
+ struct vbva_record *record;
+ u32 next;
+
+ if (!vbva_ctx->vbva ||
+ !(vbva_ctx->vbva->host_flags.host_events & VBVA_F_MODE_ENABLED))
+ return false;
+
+ WARN_ON(vbva_ctx->buffer_overflow || vbva_ctx->record);
+
+ next = (vbva_ctx->vbva->record_free_index + 1) % VBVA_MAX_RECORDS;
+
+ /* Flush if all slots in the records queue are used */
+ if (next == vbva_ctx->vbva->record_first_index)
+ vbva_buffer_flush(ctx);
+
+ /* If even after flush there is no place then fail the request */
+ if (next == vbva_ctx->vbva->record_first_index)
+ return false;
+
+ record = &vbva_ctx->vbva->records[vbva_ctx->vbva->record_free_index];
+ record->len_and_flags = VBVA_F_RECORD_PARTIAL;
+ vbva_ctx->vbva->record_free_index = next;
+ /* Remember which record we are using. */
+ vbva_ctx->record = record;
+
+ return true;
+}
+
+void vbva_buffer_end_update(struct vbva_buf_ctx *vbva_ctx)
+{
+ struct vbva_record *record = vbva_ctx->record;
+
+ WARN_ON(!vbva_ctx->vbva || !record ||
+ !(record->len_and_flags & VBVA_F_RECORD_PARTIAL));
+
+ /* Mark the record completed. */
+ record->len_and_flags &= ~VBVA_F_RECORD_PARTIAL;
+
+ vbva_ctx->buffer_overflow = false;
+ vbva_ctx->record = NULL;
+}
+
+void vbva_setup_buffer_context(struct vbva_buf_ctx *vbva_ctx,
+ u32 buffer_offset, u32 buffer_length)
+{
+ vbva_ctx->buffer_offset = buffer_offset;
+ vbva_ctx->buffer_length = buffer_length;
+}
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 030bec8..314ffac 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -3391,7 +3391,6 @@
struct device_node *fw_node;
struct rpi_firmware *fw;
int err;
- void *ptr_err;
fw_node = of_parse_phandle(pdev->dev.of_node, "firmware", 0);
if (!fw_node) {
@@ -3427,14 +3426,14 @@
/* create sysfs entries */
vchiq_class = class_create(THIS_MODULE, DEVICE_NAME);
- ptr_err = vchiq_class;
- if (IS_ERR(ptr_err))
+ err = PTR_ERR(vchiq_class);
+ if (IS_ERR(vchiq_class))
goto failed_class_create;
vchiq_dev = device_create(vchiq_class, NULL,
vchiq_devid, NULL, "vchiq");
- ptr_err = vchiq_dev;
- if (IS_ERR(ptr_err))
+ err = PTR_ERR(vchiq_dev);
+ if (IS_ERR(vchiq_dev))
goto failed_device_create;
/* create debugfs entries */
@@ -3455,7 +3454,6 @@
class_destroy(vchiq_class);
failed_class_create:
cdev_del(&vchiq_cdev);
- err = PTR_ERR(ptr_err);
failed_cdev_add:
unregister_chrdev_region(vchiq_devid, 1);
failed_platform_init:
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index e583dd8..d4fa41b 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -1510,11 +1510,13 @@
if (!cnp) {
pr_info("%s stid %d lookup failure\n", __func__, stid);
- return;
+ goto rel_skb;
}
cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status);
cxgbit_put_cnp(cnp);
+rel_skb:
+ __kfree_skb(skb);
}
static void
@@ -1530,11 +1532,13 @@
if (!cnp) {
pr_info("%s stid %d lookup failure\n", __func__, stid);
- return;
+ goto rel_skb;
}
cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status);
cxgbit_put_cnp(cnp);
+rel_skb:
+ __kfree_skb(skb);
}
static void
@@ -1819,12 +1823,16 @@
struct tid_info *t = lldi->tids;
csk = lookup_tid(t, tid);
- if (unlikely(!csk))
+ if (unlikely(!csk)) {
pr_err("can't find connection for tid %u.\n", tid);
- else
+ goto rel_skb;
+ } else {
cxgbit_wake_up(&csk->com.wr_wait, __func__, rpl->status);
+ }
cxgbit_put_csk(csk);
+rel_skb:
+ __kfree_skb(skb);
}
static void cxgbit_rx_data(struct cxgbit_device *cdev, struct sk_buff *skb)
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_target.c b/drivers/target/iscsi/cxgbit/cxgbit_target.c
index dda13f1..514986b 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_target.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_target.c
@@ -827,7 +827,7 @@
static void
cxgbit_skb_copy_to_sg(struct sk_buff *skb, struct scatterlist *sg,
- unsigned int nents)
+ unsigned int nents, u32 skip)
{
struct skb_seq_state st;
const u8 *buf;
@@ -846,7 +846,7 @@
}
consumed += sg_pcopy_from_buffer(sg, nents, (void *)buf,
- buf_len, consumed);
+ buf_len, skip + consumed);
}
}
@@ -912,7 +912,7 @@
struct scatterlist *sg = &cmd->se_cmd.t_data_sg[0];
u32 sg_nents = max(1UL, DIV_ROUND_UP(pdu_cb->dlen, PAGE_SIZE));
- cxgbit_skb_copy_to_sg(csk->skb, sg, sg_nents);
+ cxgbit_skb_copy_to_sg(csk->skb, sg, sg_nents, 0);
}
cmd->write_data_done += pdu_cb->dlen;
@@ -1069,11 +1069,13 @@
cmd->se_cmd.data_length);
if (!(pdu_cb->flags & PDUCBF_RX_DATA_DDPD)) {
+ u32 skip = data_offset % PAGE_SIZE;
+
sg_off = data_offset / PAGE_SIZE;
sg_start = &cmd->se_cmd.t_data_sg[sg_off];
- sg_nents = max(1UL, DIV_ROUND_UP(data_len, PAGE_SIZE));
+ sg_nents = max(1UL, DIV_ROUND_UP(skip + data_len, PAGE_SIZE));
- cxgbit_skb_copy_to_sg(csk->skb, sg_start, sg_nents);
+ cxgbit_skb_copy_to_sg(csk->skb, sg_start, sg_nents, skip);
}
check_payload:
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 74e4975..5001261 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -418,6 +418,7 @@
return 0;
}
np->np_thread_state = ISCSI_NP_THREAD_RESET;
+ atomic_inc(&np->np_reset_count);
if (np->np_thread) {
spin_unlock_bh(&np->np_thread_lock);
@@ -2167,6 +2168,7 @@
cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
cmd->data_direction = DMA_NONE;
+ kfree(cmd->text_in_ptr);
cmd->text_in_ptr = NULL;
return 0;
@@ -3487,9 +3489,9 @@
return text_length;
if (completed) {
- hdr->flags |= ISCSI_FLAG_CMD_FINAL;
+ hdr->flags = ISCSI_FLAG_CMD_FINAL;
} else {
- hdr->flags |= ISCSI_FLAG_TEXT_CONTINUE;
+ hdr->flags = ISCSI_FLAG_TEXT_CONTINUE;
cmd->read_data_done += text_length;
if (cmd->targ_xfer_tag == 0xFFFFFFFF)
cmd->targ_xfer_tag = session_get_next_ttt(conn->sess);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index e9bdc8b..dc13afb 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1243,9 +1243,11 @@
flush_signals(current);
spin_lock_bh(&np->np_thread_lock);
- if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
+ if (atomic_dec_if_positive(&np->np_reset_count) >= 0) {
np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
+ spin_unlock_bh(&np->np_thread_lock);
complete(&np->np_restart_comp);
+ return 1;
} else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) {
spin_unlock_bh(&np->np_thread_lock);
goto exit;
@@ -1278,7 +1280,8 @@
goto exit;
} else if (rc < 0) {
spin_lock_bh(&np->np_thread_lock);
- if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
+ if (atomic_dec_if_positive(&np->np_reset_count) >= 0) {
+ np->np_thread_state = ISCSI_NP_THREAD_ACTIVE;
spin_unlock_bh(&np->np_thread_lock);
complete(&np->np_restart_comp);
iscsit_put_transport(conn->conn_transport);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 3691373..02e8a5d 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -364,7 +364,7 @@
mutex_lock(&tpg->acl_node_mutex);
if (acl->dynamic_node_acl)
acl->dynamic_node_acl = 0;
- list_del(&acl->acl_list);
+ list_del_init(&acl->acl_list);
mutex_unlock(&tpg->acl_node_mutex);
target_shutdown_sessions(acl);
@@ -548,7 +548,7 @@
* in transport_deregister_session().
*/
list_for_each_entry_safe(nacl, nacl_tmp, &node_list, acl_list) {
- list_del(&nacl->acl_list);
+ list_del_init(&nacl->acl_list);
core_tpg_wait_for_nacl_pr_ref(nacl);
core_free_device_list_for_node(nacl, se_tpg);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 97fed9a..836d552 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -466,7 +466,7 @@
}
mutex_lock(&se_tpg->acl_node_mutex);
- list_del(&nacl->acl_list);
+ list_del_init(&nacl->acl_list);
mutex_unlock(&se_tpg->acl_node_mutex);
core_tpg_wait_for_nacl_pr_ref(nacl);
@@ -538,7 +538,7 @@
spin_unlock_irqrestore(&se_nacl->nacl_sess_lock, flags);
if (se_nacl->dynamic_stop)
- list_del(&se_nacl->acl_list);
+ list_del_init(&se_nacl->acl_list);
}
mutex_unlock(&se_tpg->acl_node_mutex);
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 80ee130..942d0942 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -563,8 +563,6 @@
block_remaining);
to_offset = get_block_offset_user(udev, dbi,
block_remaining);
- offset = DATA_BLOCK_SIZE - block_remaining;
- to += offset;
if (*iov_cnt != 0 &&
to_offset == iov_tail(*iov)) {
@@ -575,8 +573,10 @@
(*iov)->iov_len = copy_bytes;
}
if (copy_data) {
- memcpy(to, from + sg->length - sg_remaining,
- copy_bytes);
+ offset = DATA_BLOCK_SIZE - block_remaining;
+ memcpy(to + offset,
+ from + sg->length - sg_remaining,
+ copy_bytes);
tcmu_flush_dcache_range(to, copy_bytes);
}
sg_remaining -= copy_bytes;
@@ -637,9 +637,8 @@
copy_bytes = min_t(size_t, sg_remaining,
block_remaining);
offset = DATA_BLOCK_SIZE - block_remaining;
- from += offset;
tcmu_flush_dcache_range(from, copy_bytes);
- memcpy(to + sg->length - sg_remaining, from,
+ memcpy(to + sg->length - sg_remaining, from + offset,
copy_bytes);
sg_remaining -= copy_bytes;
@@ -1433,6 +1432,8 @@
if (udev->dev_config[0])
snprintf(str + used, size - used, "/%s", udev->dev_config);
+ /* If the old string exists, free it */
+ kfree(info->name);
info->name = str;
return 0;
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index 308b6e1..fe2f00c 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -333,6 +333,15 @@
int res;
enum tb_port_type type;
+ /*
+ * Some DROMs list more ports than the controller actually has
+ * so we skip those but allow the parser to continue.
+ */
+ if (header->index > sw->config.max_port_number) {
+ dev_info_once(&sw->dev, "ignoring unnecessary extra entries in DROM\n");
+ return 0;
+ }
+
port = &sw->ports[header->index];
port->disabled = header->port_disabled;
if (port->disabled)
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 8ee3402..bdaac1f 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -904,7 +904,14 @@
static int icm_suspend(struct tb *tb)
{
- return nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0);
+ int ret;
+
+ ret = nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0);
+ if (ret)
+ tb_info(tb, "Ignoring mailbox command error (%d) in %s\n",
+ ret, __func__);
+
+ return 0;
}
/*
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index ab3e8f4..e9391bb 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -30,7 +30,7 @@
struct nvm_auth_status {
struct list_head list;
- uuid_be uuid;
+ uuid_t uuid;
u32 status;
};
@@ -47,7 +47,7 @@
struct nvm_auth_status *st;
list_for_each_entry(st, &nvm_auth_status_cache, list) {
- if (!uuid_be_cmp(st->uuid, *sw->uuid))
+ if (uuid_equal(&st->uuid, sw->uuid))
return st;
}
@@ -281,9 +281,11 @@
if (active) {
config.name = "nvm_active";
config.reg_read = tb_switch_nvm_read;
+ config.read_only = true;
} else {
config.name = "nvm_non_active";
config.reg_write = tb_switch_nvm_write;
+ config.root_only = true;
}
config.id = id;
@@ -292,7 +294,6 @@
config.size = size;
config.dev = &sw->dev;
config.owner = THIS_MODULE;
- config.root_only = true;
config.priv = sw;
return nvmem_register(&config);
@@ -1460,7 +1461,7 @@
struct tb *tb;
u8 link;
u8 depth;
- const uuid_be *uuid;
+ const uuid_t *uuid;
};
static int tb_switch_match(struct device *dev, void *data)
@@ -1517,7 +1518,7 @@
* Returned switch has reference count increased so the caller needs to
* call tb_switch_put() when done with the switch.
*/
-struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_be *uuid)
+struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_t *uuid)
{
struct tb_sw_lookup lookup;
struct device *dev;
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 3d9f646..e0deee4 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -101,7 +101,7 @@
struct tb_dma_port *dma_port;
struct tb *tb;
u64 uid;
- uuid_be *uuid;
+ uuid_t *uuid;
u16 vendor;
u16 device;
const char *vendor_name;
@@ -407,7 +407,7 @@
struct tb_switch *get_switch_at_route(struct tb_switch *sw, u64 route);
struct tb_switch *tb_switch_find_by_link_depth(struct tb *tb, u8 link,
u8 depth);
-struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_be *uuid);
+struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_t *uuid);
static inline unsigned int tb_switch_phy_port_from_link(unsigned int link)
{
diff --git a/drivers/thunderbolt/tb_msgs.h b/drivers/thunderbolt/tb_msgs.h
index 85b6d33..de6441e 100644
--- a/drivers/thunderbolt/tb_msgs.h
+++ b/drivers/thunderbolt/tb_msgs.h
@@ -179,7 +179,7 @@
struct icm_fr_event_device_connected {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 link_info;
@@ -193,7 +193,7 @@
struct icm_fr_pkg_approve_device {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 reserved;
@@ -207,7 +207,7 @@
struct icm_fr_pkg_add_device_key {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 reserved;
@@ -216,7 +216,7 @@
struct icm_fr_pkg_add_device_key_response {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 reserved;
@@ -224,7 +224,7 @@
struct icm_fr_pkg_challenge_device {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 reserved;
@@ -233,7 +233,7 @@
struct icm_fr_pkg_challenge_device_response {
struct icm_pkg_header hdr;
- uuid_be ep_uuid;
+ uuid_t ep_uuid;
u8 connection_key;
u8 connection_id;
u16 reserved;
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index d1399aa..a6d5164 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -69,13 +69,8 @@
#ifdef CONFIG_UNIX98_PTYS
if (tty->driver == ptm_driver) {
mutex_lock(&devpts_mutex);
- if (tty->link->driver_data) {
- struct path *path = tty->link->driver_data;
-
- devpts_pty_kill(path->dentry);
- path_put(path);
- kfree(path);
- }
+ if (tty->link->driver_data)
+ devpts_pty_kill(tty->link->driver_data);
mutex_unlock(&devpts_mutex);
}
#endif
@@ -448,48 +443,6 @@
return retval;
}
-/**
- * pty_open_peer - open the peer of a pty
- * @tty: the peer of the pty being opened
- *
- * Open the cached dentry in tty->link, providing a safe way for userspace
- * to get the slave end of a pty (where they have the master fd and cannot
- * access or trust the mount namespace /dev/pts was mounted inside).
- */
-static struct file *pty_open_peer(struct tty_struct *tty, int flags)
-{
- if (tty->driver->subtype != PTY_TYPE_MASTER)
- return ERR_PTR(-EIO);
- return dentry_open(tty->link->driver_data, flags, current_cred());
-}
-
-static int pty_get_peer(struct tty_struct *tty, int flags)
-{
- int fd = -1;
- struct file *filp = NULL;
- int retval = -EINVAL;
-
- fd = get_unused_fd_flags(0);
- if (fd < 0) {
- retval = fd;
- goto err;
- }
-
- filp = pty_open_peer(tty, flags);
- if (IS_ERR(filp)) {
- retval = PTR_ERR(filp);
- goto err_put;
- }
-
- fd_install(fd, filp);
- return fd;
-
-err_put:
- put_unused_fd(fd);
-err:
- return retval;
-}
-
static void pty_cleanup(struct tty_struct *tty)
{
tty_port_put(tty->port);
@@ -646,9 +599,58 @@
/* Unix98 devices */
#ifdef CONFIG_UNIX98_PTYS
-
static struct cdev ptmx_cdev;
+/**
+ * ptm_open_peer - open the peer of a pty
+ * @master: the open struct file of the ptmx device node
+ * @tty: the master of the pty being opened
+ * @flags: the flags for open
+ *
+ * Provide a race free way for userspace to open the slave end of a pty
+ * (where they have the master fd and cannot access or trust the mount
+ * namespace /dev/pts was mounted inside).
+ */
+int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags)
+{
+ int fd = -1;
+ struct file *filp;
+ int retval = -EINVAL;
+ struct path path;
+
+ if (tty->driver != ptm_driver)
+ return -EIO;
+
+ fd = get_unused_fd_flags(0);
+ if (fd < 0) {
+ retval = fd;
+ goto err;
+ }
+
+ /* Compute the slave's path */
+ path.mnt = devpts_mntget(master, tty->driver_data);
+ if (IS_ERR(path.mnt)) {
+ retval = PTR_ERR(path.mnt);
+ goto err_put;
+ }
+ path.dentry = tty->link->driver_data;
+
+ filp = dentry_open(&path, flags, current_cred());
+ mntput(path.mnt);
+ if (IS_ERR(filp)) {
+ retval = PTR_ERR(filp);
+ goto err_put;
+ }
+
+ fd_install(fd, filp);
+ return fd;
+
+err_put:
+ put_unused_fd(fd);
+err:
+ return retval;
+}
+
static int pty_unix98_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg)
{
@@ -663,8 +665,6 @@
return pty_get_pktmode(tty, (int __user *)arg);
case TIOCGPTN: /* Get PT Number */
return put_user(tty->index, (unsigned int __user *)arg);
- case TIOCGPTPEER: /* Open the other end */
- return pty_get_peer(tty, (int) arg);
case TIOCSIG: /* Send signal to other side of pty */
return pty_signal(tty, (int) arg);
}
@@ -792,7 +792,6 @@
{
struct pts_fs_info *fsi;
struct tty_struct *tty;
- struct path *pts_path;
struct dentry *dentry;
int retval;
int index;
@@ -846,26 +845,16 @@
retval = PTR_ERR(dentry);
goto err_release;
}
- /* We need to cache a fake path for TIOCGPTPEER. */
- pts_path = kmalloc(sizeof(struct path), GFP_KERNEL);
- if (!pts_path)
- goto err_release;
- pts_path->mnt = filp->f_path.mnt;
- pts_path->dentry = dentry;
- path_get(pts_path);
- tty->link->driver_data = pts_path;
+ tty->link->driver_data = dentry;
retval = ptm_driver->ops->open(tty, filp);
if (retval)
- goto err_path_put;
+ goto err_release;
tty_debug_hangup(tty, "opening (count=%d)\n", tty->count);
tty_unlock(tty);
return 0;
-err_path_put:
- path_put(pts_path);
- kfree(pts_path);
err_release:
tty_unlock(tty);
// This will also put-ref the fsi
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index b5def35..1aab301 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1043,13 +1043,24 @@
if (up->dl_write)
uart->dl_write = up->dl_write;
- if (serial8250_isa_config != NULL)
- serial8250_isa_config(0, &uart->port,
- &uart->capabilities);
+ if (uart->port.type != PORT_8250_CIR) {
+ if (serial8250_isa_config != NULL)
+ serial8250_isa_config(0, &uart->port,
+ &uart->capabilities);
- ret = uart_add_one_port(&serial8250_reg, &uart->port);
- if (ret == 0)
- ret = uart->port.line;
+ ret = uart_add_one_port(&serial8250_reg,
+ &uart->port);
+ if (ret == 0)
+ ret = uart->port.line;
+ } else {
+ dev_info(uart->port.dev,
+ "skipping CIR port at 0x%lx / 0x%llx, IRQ %d\n",
+ uart->port.iobase,
+ (unsigned long long)uart->port.mapbase,
+ uart->port.irq);
+
+ ret = 0;
+ }
}
mutex_unlock(&serial_mutex);
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index b5c98e5..c6360fb 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -261,7 +261,7 @@
}
static const struct property_entry exar_gpio_properties[] = {
- PROPERTY_ENTRY_U32("linux,first-pin", 0),
+ PROPERTY_ENTRY_U32("exar,first-pin", 0),
PROPERTY_ENTRY_U32("ngpios", 16),
{ }
};
@@ -326,7 +326,7 @@
}
static const struct property_entry iot2040_gpio_properties[] = {
- PROPERTY_ENTRY_U32("linux,first-pin", 10),
+ PROPERTY_ENTRY_U32("exar,first-pin", 10),
PROPERTY_ENTRY_U32("ngpios", 1),
{ }
};
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 8a857bb..1888d16 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -142,15 +142,7 @@
.fixed_options = true,
};
-/*
- * Erratum 44 for QDF2432v1 and QDF2400v1 SoCs describes the BUSY bit as
- * occasionally getting stuck as 1. To avoid the potential for a hang, check
- * TXFE == 0 instead of BUSY == 1. This may not be suitable for all UART
- * implementations, so only do so if an affected platform is detected in
- * parse_spcr().
- */
-static bool qdf2400_e44_present = false;
-
+#ifdef CONFIG_ACPI_SPCR_TABLE
static struct vendor_data vendor_qdt_qdf2400_e44 = {
.reg_offset = pl011_std_offsets,
.fr_busy = UART011_FR_TXFE,
@@ -165,6 +157,7 @@
.always_enabled = true,
.fixed_options = true,
};
+#endif
static u16 pl011_st_offsets[REG_ARRAY_SIZE] = {
[REG_DR] = UART01x_DR,
@@ -2375,12 +2368,14 @@
resource_size_t addr;
int i;
- if (strcmp(name, "qdf2400_e44") == 0) {
- pr_info_once("UART: Working around QDF2400 SoC erratum 44");
- qdf2400_e44_present = true;
- } else if (strcmp(name, "pl011") != 0) {
+ /*
+ * Systems affected by the Qualcomm Technologies QDF2400 E44 erratum
+ * have a distinct console name, so make sure we check for that.
+ * The actual implementation of the erratum occurs in the probe
+ * function.
+ */
+ if ((strcmp(name, "qdf2400_e44") != 0) && (strcmp(name, "pl011") != 0))
return -ENODEV;
- }
if (uart_parse_earlycon(options, &iotype, &addr, &options))
return -ENODEV;
@@ -2734,11 +2729,17 @@
}
uap->port.irq = ret;
- uap->reg_offset = vendor_sbsa.reg_offset;
- uap->vendor = qdf2400_e44_present ?
- &vendor_qdt_qdf2400_e44 : &vendor_sbsa;
+#ifdef CONFIG_ACPI_SPCR_TABLE
+ if (qdf2400_e44_present) {
+ dev_info(&pdev->dev, "working around QDF2400 SoC erratum 44\n");
+ uap->vendor = &vendor_qdt_qdf2400_e44;
+ } else
+#endif
+ uap->vendor = &vendor_sbsa;
+
+ uap->reg_offset = uap->vendor->reg_offset;
uap->fifosize = 32;
- uap->port.iotype = vendor_sbsa.access_32b ? UPIO_MEM32 : UPIO_MEM;
+ uap->port.iotype = uap->vendor->access_32b ? UPIO_MEM32 : UPIO_MEM;
uap->port.ops = &sbsa_uart_pops;
uap->fixed_baud = baudrate;
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 343de8c..898dcb0 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -619,6 +619,12 @@
TIOCSER_TEMT : 0;
}
+static bool lpuart_is_32(struct lpuart_port *sport)
+{
+ return sport->port.iotype == UPIO_MEM32 ||
+ sport->port.iotype == UPIO_MEM32BE;
+}
+
static irqreturn_t lpuart_txint(int irq, void *dev_id)
{
struct lpuart_port *sport = dev_id;
@@ -627,7 +633,7 @@
spin_lock_irqsave(&sport->port.lock, flags);
if (sport->port.x_char) {
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart32_write(&sport->port, sport->port.x_char, UARTDATA);
else
writeb(sport->port.x_char, sport->port.membase + UARTDR);
@@ -635,14 +641,14 @@
}
if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) {
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart32_stop_tx(&sport->port);
else
lpuart_stop_tx(&sport->port);
goto out;
}
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart32_transmit_buffer(sport);
else
lpuart_transmit_buffer(sport);
@@ -1978,12 +1984,12 @@
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
else
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart32_console_get_options(sport, &baud, &parity, &bits);
else
lpuart_console_get_options(sport, &baud, &parity, &bits);
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart32_setup_watermark(sport);
else
lpuart_setup_watermark(sport);
@@ -2118,7 +2124,7 @@
}
sport->port.irq = ret;
sport->port.iotype = sdata->iotype;
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
sport->port.ops = &lpuart32_pops;
else
sport->port.ops = &lpuart_pops;
@@ -2145,7 +2151,7 @@
platform_set_drvdata(pdev, &sport->port);
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE))
+ if (lpuart_is_32(sport))
lpuart_reg.cons = LPUART32_CONSOLE;
else
lpuart_reg.cons = LPUART_CONSOLE;
@@ -2198,7 +2204,7 @@
struct lpuart_port *sport = dev_get_drvdata(dev);
unsigned long temp;
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) {
+ if (lpuart_is_32(sport)) {
/* disable Rx/Tx and interrupts */
temp = lpuart32_read(&sport->port, UARTCTRL);
temp &= ~(UARTCTRL_TE | UARTCTRL_TIE | UARTCTRL_TCIE);
@@ -2249,7 +2255,7 @@
if (sport->port.suspended && !sport->port.irq_wake)
clk_prepare_enable(sport->clk);
- if (sport->port.iotype & (UPIO_MEM32 | UPIO_MEM32BE)) {
+ if (lpuart_is_32(sport)) {
lpuart32_setup_watermark(sport);
temp = lpuart32_read(&sport->port, UARTCTRL);
temp |= (UARTCTRL_RIE | UARTCTRL_TIE | UARTCTRL_RE |
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 9e3162b..80934e7 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -186,11 +186,6 @@
#define UART_NR 8
-/* RX DMA buffer periods */
-#define RX_DMA_PERIODS 4
-#define RX_BUF_SIZE (PAGE_SIZE)
-
-
/* i.MX21 type uart runs on all i.mx except i.MX1 and i.MX6q */
enum imx_uart_type {
IMX1_UART,
@@ -226,7 +221,6 @@
struct dma_chan *dma_chan_rx, *dma_chan_tx;
struct scatterlist rx_sgl, tx_sgl[2];
void *rx_buf;
- unsigned int rx_buf_size;
struct circ_buf rx_ring;
unsigned int rx_periods;
dma_cookie_t rx_cookie;
@@ -464,7 +458,7 @@
}
}
- while (!uart_circ_empty(xmit) &&
+ while (!uart_circ_empty(xmit) && !sport->dma_is_txing &&
!(readl(sport->port.membase + uts_reg(sport)) & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
* out the port here */
@@ -967,6 +961,8 @@
}
}
+#define RX_BUF_SIZE (PAGE_SIZE)
+
/*
* There are two kinds of RX DMA interrupts(such as in the MX6Q):
* [1] the RX DMA buffer is full.
@@ -1049,6 +1045,9 @@
}
}
+/* RX DMA buffer periods */
+#define RX_DMA_PERIODS 4
+
static int start_rx_dma(struct imx_port *sport)
{
struct scatterlist *sgl = &sport->rx_sgl;
@@ -1059,8 +1058,9 @@
sport->rx_ring.head = 0;
sport->rx_ring.tail = 0;
+ sport->rx_periods = RX_DMA_PERIODS;
- sg_init_one(sgl, sport->rx_buf, sport->rx_buf_size);
+ sg_init_one(sgl, sport->rx_buf, RX_BUF_SIZE);
ret = dma_map_sg(dev, sgl, 1, DMA_FROM_DEVICE);
if (ret == 0) {
dev_err(dev, "DMA mapping error for RX.\n");
@@ -1171,7 +1171,7 @@
goto err;
}
- sport->rx_buf = kzalloc(sport->rx_buf_size, GFP_KERNEL);
+ sport->rx_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!sport->rx_buf) {
ret = -ENOMEM;
goto err;
@@ -2036,7 +2036,6 @@
{
struct device_node *np = pdev->dev.of_node;
int ret;
- u32 dma_buf_size[2];
sport->devdata = of_device_get_match_data(&pdev->dev);
if (!sport->devdata)
@@ -2060,14 +2059,6 @@
if (of_get_property(np, "rts-gpios", NULL))
sport->have_rtsgpio = 1;
- if (!of_property_read_u32_array(np, "fsl,dma-size", dma_buf_size, 2)) {
- sport->rx_buf_size = dma_buf_size[0] * dma_buf_size[1];
- sport->rx_periods = dma_buf_size[1];
- } else {
- sport->rx_buf_size = RX_BUF_SIZE;
- sport->rx_periods = RX_DMA_PERIODS;
- }
-
return 0;
}
#else
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index da5ddfc..e08b16b 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1085,10 +1085,12 @@
{
struct uart_port *port = dev_get_drvdata(dev);
struct sci_port *sci = to_sci_port(port);
+ int ret;
long r;
- if (kstrtol(buf, 0, &r) == -EINVAL)
- return -EINVAL;
+ ret = kstrtol(buf, 0, &r);
+ if (ret)
+ return ret;
sci->rx_trigger = scif_set_rtrg(port, r);
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
@@ -1116,10 +1118,12 @@
{
struct uart_port *port = dev_get_drvdata(dev);
struct sci_port *sci = to_sci_port(port);
+ int ret;
long r;
- if (kstrtol(buf, 0, &r) == -EINVAL)
- return -EINVAL;
+ ret = kstrtol(buf, 0, &r);
+ if (ret)
+ return ret;
sci->rx_fifo_timeout = r;
scif_set_rtrg(port, 1);
if (r > 0)
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
index f5335be..6b0ca65 100644
--- a/drivers/tty/serial/st-asc.c
+++ b/drivers/tty/serial/st-asc.c
@@ -758,6 +758,7 @@
if (IS_ERR(ascport->pinctrl)) {
ret = PTR_ERR(ascport->pinctrl);
dev_err(&pdev->dev, "Failed to get Pinctrl: %d\n", ret);
+ return ret;
}
ascport->states[DEFAULT] =
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 974b13d..10c4038 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2518,6 +2518,9 @@
case TIOCSSERIAL:
tty_warn_deprecated_flags(p);
break;
+ case TIOCGPTPEER:
+ /* Special because the struct file is needed */
+ return ptm_open_peer(file, tty, (int)arg);
default:
retval = tty_jobctrl_ioctl(tty, real_tty, file, cmd, arg);
if (retval != -ENOIOCTLCMD)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 5357d83..5e056064 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1829,6 +1829,9 @@
{ USB_DEVICE(0x1576, 0x03b1), /* Maretron USB100 */
.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
},
+ { USB_DEVICE(0xfff0, 0x0100), /* DATECS FP-2000 */
+ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+ },
{ USB_DEVICE(0x2912, 0x0001), /* ATOL FPrint */
.driver_info = CLEAR_HALT_CONDITIONS,
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index ab1bb3b..7f277b0 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1888,7 +1888,7 @@
/* No more submits can occur */
spin_lock_irq(&hcd_urb_list_lock);
rescan:
- list_for_each_entry (urb, &ep->urb_list, urb_list) {
+ list_for_each_entry_reverse(urb, &ep->urb_list, urb_list) {
int is_in;
if (urb->unlinked)
@@ -2485,6 +2485,8 @@
}
if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) {
hcd = hcd->shared_hcd;
+ clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
+ set_bit(HCD_FLAG_DEAD, &hcd->flags);
if (hcd->rh_registered) {
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 6e6797d..822f8c5 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4725,7 +4725,8 @@
static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
u16 portchange)
{
- int status, i;
+ int status = -ENODEV;
+ int i;
unsigned unit_load;
struct usb_device *hdev = hub->hdev;
struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
@@ -4929,9 +4930,10 @@
done:
hub_port_disable(hub, port1, 1);
- if (hcd->driver->relinquish_port && !hub->hdev->parent)
- hcd->driver->relinquish_port(hcd, port1);
-
+ if (hcd->driver->relinquish_port && !hub->hdev->parent) {
+ if (status != -ENOTCONN && status != -ENODEV)
+ hcd->driver->relinquish_port(hcd, port1);
+ }
}
/* Handle physical or logical connection change events.
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 3116edf..574da2b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -150,6 +150,9 @@
/* appletouch */
{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
+ { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
+
/* Avision AV600U */
{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
@@ -249,6 +252,7 @@
{ USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME },
{ USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME },
{ USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME },
+ { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME },
/* Logitech Optical Mouse M90/M100 */
{ USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME },
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index bc3b3fd..c4066cd 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3573,6 +3573,9 @@
/* Report disconnection if it is not already done. */
dwc2_hsotg_disconnect(hsotg);
+ /* Reset device address to zero */
+ __bic32(hsotg->regs + DCFG, DCFG_DEVADDR_MASK);
+
if (usb_status & GOTGCTL_BSESVLD && connected)
dwc2_hsotg_core_init_disconnected(hsotg, true);
}
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 326b302..03474d3 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -766,6 +766,10 @@
dwc->maximum_speed = USB_SPEED_HIGH;
}
+ ret = dwc3_core_get_phy(dwc);
+ if (ret)
+ goto err0;
+
ret = dwc3_core_soft_reset(dwc);
if (ret)
goto err0;
@@ -774,10 +778,6 @@
if (ret)
goto err0;
- ret = dwc3_core_get_phy(dwc);
- if (ret)
- goto err0;
-
dwc3_core_setup_global_control(dwc);
dwc3_core_num_eps(dwc);
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 9892650..f5aaa0c 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -512,15 +512,6 @@
/* check the DMA Status */
reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
- irq_set_status_flags(omap->irq, IRQ_NOAUTOEN);
- ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
- dwc3_omap_interrupt_thread, IRQF_SHARED,
- "dwc3-omap", omap);
- if (ret) {
- dev_err(dev, "failed to request IRQ #%d --> %d\n",
- omap->irq, ret);
- goto err1;
- }
ret = dwc3_omap_extcon_register(omap);
if (ret < 0)
@@ -532,8 +523,15 @@
goto err1;
}
+ ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
+ dwc3_omap_interrupt_thread, IRQF_SHARED,
+ "dwc3-omap", omap);
+ if (ret) {
+ dev_err(dev, "failed to request IRQ #%d --> %d\n",
+ omap->irq, ret);
+ goto err1;
+ }
dwc3_omap_enable_irqs(omap);
- enable_irq(omap->irq);
return 0;
err1:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 9e41605a..f064f15 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -191,14 +191,16 @@
req->started = false;
list_del(&req->list);
- req->trb = NULL;
req->remaining = 0;
if (req->request.status == -EINPROGRESS)
req->request.status = status;
- usb_gadget_unmap_request_by_dev(dwc->sysdev,
- &req->request, req->direction);
+ if (req->trb)
+ usb_gadget_unmap_request_by_dev(dwc->sysdev,
+ &req->request, req->direction);
+
+ req->trb = NULL;
trace_dwc3_gadget_giveback(req);
@@ -894,9 +896,40 @@
if (!node) {
trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS_FIRST;
+ /*
+ * USB Specification 2.0 Section 5.9.2 states that: "If
+ * there is only a single transaction in the microframe,
+ * only a DATA0 data packet PID is used. If there are
+ * two transactions per microframe, DATA1 is used for
+ * the first transaction data packet and DATA0 is used
+ * for the second transaction data packet. If there are
+ * three transactions per microframe, DATA2 is used for
+ * the first transaction data packet, DATA1 is used for
+ * the second, and DATA0 is used for the third."
+ *
+ * IOW, we should satisfy the following cases:
+ *
+ * 1) length <= maxpacket
+ * - DATA0
+ *
+ * 2) maxpacket < length <= (2 * maxpacket)
+ * - DATA1, DATA0
+ *
+ * 3) (2 * maxpacket) < length <= (3 * maxpacket)
+ * - DATA2, DATA1, DATA0
+ */
if (speed == USB_SPEED_HIGH) {
struct usb_ep *ep = &dep->endpoint;
- trb->size |= DWC3_TRB_SIZE_PCM1(ep->mult - 1);
+ unsigned int mult = ep->mult - 1;
+ unsigned int maxp = usb_endpoint_maxp(ep->desc);
+
+ if (length <= (2 * maxp))
+ mult--;
+
+ if (length <= maxp)
+ mult--;
+
+ trb->size |= DWC3_TRB_SIZE_PCM1(mult);
}
} else {
trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS;
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index e80b9c1..f95bddd 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2490,7 +2490,7 @@
int i;
down_write(&common->filesem);
- for (i = 0; i < ARRAY_SIZE(common->luns); --i) {
+ for (i = 0; i < ARRAY_SIZE(common->luns); i++) {
struct fsg_lun *curlun = common->luns[i];
if (!curlun || !fsg_lun_is_open(curlun))
continue;
diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index 8656f84..29efbed 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -92,9 +92,9 @@
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_INPUT_TERMINAL,
.bTerminalID = USB_OUT_IT_ID,
- .wTerminalType = UAC_TERMINAL_STREAMING,
+ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING),
.bAssocTerminal = 0,
- .wChannelConfig = 0x3,
+ .wChannelConfig = cpu_to_le16(0x3),
};
#define IO_OUT_OT_ID 2
@@ -103,7 +103,7 @@
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_OUTPUT_TERMINAL,
.bTerminalID = IO_OUT_OT_ID,
- .wTerminalType = UAC_OUTPUT_TERMINAL_SPEAKER,
+ .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_SPEAKER),
.bAssocTerminal = 0,
.bSourceID = USB_OUT_IT_ID,
};
@@ -114,9 +114,9 @@
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_INPUT_TERMINAL,
.bTerminalID = IO_IN_IT_ID,
- .wTerminalType = UAC_INPUT_TERMINAL_MICROPHONE,
+ .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_MICROPHONE),
.bAssocTerminal = 0,
- .wChannelConfig = 0x3,
+ .wChannelConfig = cpu_to_le16(0x3),
};
#define USB_IN_OT_ID 4
@@ -125,7 +125,7 @@
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_OUTPUT_TERMINAL,
.bTerminalID = USB_IN_OT_ID,
- .wTerminalType = UAC_TERMINAL_STREAMING,
+ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING),
.bAssocTerminal = 0,
.bSourceID = IO_IN_IT_ID,
};
@@ -174,7 +174,7 @@
.bDescriptorSubtype = UAC_AS_GENERAL,
.bTerminalLink = USB_OUT_IT_ID,
.bDelay = 1,
- .wFormatTag = UAC_FORMAT_TYPE_I_PCM,
+ .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM),
};
static struct uac1_as_header_descriptor as_in_header_desc = {
@@ -183,7 +183,7 @@
.bDescriptorSubtype = UAC_AS_GENERAL,
.bTerminalLink = USB_IN_OT_ID,
.bDelay = 1,
- .wFormatTag = UAC_FORMAT_TYPE_I_PCM,
+ .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM),
};
DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1);
@@ -606,8 +606,8 @@
if (status)
goto fail;
- audio->out_ep_maxpsize = as_out_ep_desc.wMaxPacketSize;
- audio->in_ep_maxpsize = as_in_ep_desc.wMaxPacketSize;
+ audio->out_ep_maxpsize = le16_to_cpu(as_out_ep_desc.wMaxPacketSize);
+ audio->in_ep_maxpsize = le16_to_cpu(as_in_ep_desc.wMaxPacketSize);
audio->params.c_chmask = audio_opts->c_chmask;
audio->params.c_srate = audio_opts->c_srate;
audio->params.c_ssize = audio_opts->c_ssize;
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 9082ce2..f05c3f3 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -168,7 +168,7 @@
.bAssocTerminal = 0,
.bCSourceID = USB_OUT_CLK_ID,
.iChannelNames = 0,
- .bmControls = (CONTROL_RDWR << COPY_CTRL),
+ .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL),
};
/* Input Terminal for I/O-In */
@@ -182,7 +182,7 @@
.bAssocTerminal = 0,
.bCSourceID = USB_IN_CLK_ID,
.iChannelNames = 0,
- .bmControls = (CONTROL_RDWR << COPY_CTRL),
+ .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL),
};
/* Ouput Terminal for USB_IN */
@@ -196,7 +196,7 @@
.bAssocTerminal = 0,
.bSourceID = IO_IN_IT_ID,
.bCSourceID = USB_IN_CLK_ID,
- .bmControls = (CONTROL_RDWR << COPY_CTRL),
+ .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL),
};
/* Ouput Terminal for I/O-Out */
@@ -210,7 +210,7 @@
.bAssocTerminal = 0,
.bSourceID = USB_OUT_IT_ID,
.bCSourceID = USB_OUT_CLK_ID,
- .bmControls = (CONTROL_RDWR << COPY_CTRL),
+ .bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL),
};
static struct uac2_ac_header_descriptor ac_hdr_desc = {
@@ -220,9 +220,10 @@
.bDescriptorSubtype = UAC_MS_HEADER,
.bcdADC = cpu_to_le16(0x200),
.bCategory = UAC2_FUNCTION_IO_BOX,
- .wTotalLength = sizeof in_clk_src_desc + sizeof out_clk_src_desc
- + sizeof usb_out_it_desc + sizeof io_in_it_desc
- + sizeof usb_in_ot_desc + sizeof io_out_ot_desc,
+ .wTotalLength = cpu_to_le16(sizeof in_clk_src_desc
+ + sizeof out_clk_src_desc + sizeof usb_out_it_desc
+ + sizeof io_in_it_desc + sizeof usb_in_ot_desc
+ + sizeof io_out_ot_desc),
.bmControls = 0,
};
@@ -569,10 +570,12 @@
return ret;
}
- agdev->in_ep_maxpsize = max(fs_epin_desc.wMaxPacketSize,
- hs_epin_desc.wMaxPacketSize);
- agdev->out_ep_maxpsize = max(fs_epout_desc.wMaxPacketSize,
- hs_epout_desc.wMaxPacketSize);
+ agdev->in_ep_maxpsize = max_t(u16,
+ le16_to_cpu(fs_epin_desc.wMaxPacketSize),
+ le16_to_cpu(hs_epin_desc.wMaxPacketSize));
+ agdev->out_ep_maxpsize = max_t(u16,
+ le16_to_cpu(fs_epout_desc.wMaxPacketSize),
+ le16_to_cpu(hs_epout_desc.wMaxPacketSize));
hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index 9ffb11e..7cd5c96 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -192,7 +192,7 @@
config USB_RENESAS_USB3
tristate 'Renesas USB3.0 Peripheral controller'
depends on ARCH_RENESAS || COMPILE_TEST
- depends on EXTCON
+ depends on EXTCON && HAS_DMA
help
Renesas USB3.0 Peripheral controller is a USB peripheral controller
that supports super, high, and full speed USB 3.0 data transfers.
@@ -257,6 +257,7 @@
config USB_SNP_CORE
depends on (USB_AMD5536UDC || USB_SNP_UDC_PLAT)
+ depends on HAS_DMA
tristate
help
This enables core driver support for Synopsys USB 2.0 Device
@@ -271,7 +272,7 @@
config USB_SNP_UDC_PLAT
tristate "Synopsys USB 2.0 Device controller"
- depends on (USB_GADGET && OF)
+ depends on USB_GADGET && OF && HAS_DMA
select USB_GADGET_DUALSPEED
select USB_SNP_CORE
default ARCH_BCM_IPROC
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index d827832..e1de8fe 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -89,6 +89,9 @@
/* USB_COM_CON */
#define USB_COM_CON_CONF BIT(24)
+#define USB_COM_CON_PN_WDATAIF_NL BIT(23)
+#define USB_COM_CON_PN_RDATAIF_NL BIT(22)
+#define USB_COM_CON_PN_LSTTR_PP BIT(21)
#define USB_COM_CON_SPD_MODE BIT(17)
#define USB_COM_CON_EP0_EN BIT(16)
#define USB_COM_CON_DEV_ADDR_SHIFT 8
@@ -686,6 +689,9 @@
{
usb3_init_axi_bridge(usb3);
usb3_init_epc_registers(usb3);
+ usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL |
+ USB_COM_CON_PN_RDATAIF_NL | USB_COM_CON_PN_LSTTR_PP,
+ USB3_USB_COM_CON);
usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_STA);
usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_ENA);
@@ -832,21 +838,32 @@
return usb3_req;
}
+static void __usb3_request_done(struct renesas_usb3_ep *usb3_ep,
+ struct renesas_usb3_request *usb3_req,
+ int status)
+{
+ struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
+
+ dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n",
+ usb3_ep->num, usb3_req->req.length, usb3_req->req.actual,
+ status);
+ usb3_req->req.status = status;
+ usb3_ep->started = false;
+ list_del_init(&usb3_req->queue);
+ spin_unlock(&usb3->lock);
+ usb_gadget_giveback_request(&usb3_ep->ep, &usb3_req->req);
+ spin_lock(&usb3->lock);
+}
+
static void usb3_request_done(struct renesas_usb3_ep *usb3_ep,
struct renesas_usb3_request *usb3_req, int status)
{
struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
unsigned long flags;
- dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n",
- usb3_ep->num, usb3_req->req.length, usb3_req->req.actual,
- status);
- usb3_req->req.status = status;
spin_lock_irqsave(&usb3->lock, flags);
- usb3_ep->started = false;
- list_del_init(&usb3_req->queue);
+ __usb3_request_done(usb3_ep, usb3_req, status);
spin_unlock_irqrestore(&usb3->lock, flags);
- usb_gadget_giveback_request(&usb3_ep->ep, &usb3_req->req);
}
static void usb3_irq_epc_pipe0_status_end(struct renesas_usb3 *usb3)
@@ -1369,7 +1386,7 @@
usb3_for_each_dma(usb3, dma, i) {
if (dma->prd) {
- dma_free_coherent(dev, USB3_DMA_MAX_XFER_SIZE,
+ dma_free_coherent(dev, USB3_DMA_PRD_SIZE,
dma->prd, dma->prd_dma);
dma->prd = NULL;
}
@@ -1409,12 +1426,12 @@
int ret = -EAGAIN;
u32 enable_bits = 0;
- if (usb3_ep->halt || usb3_ep->started)
- return;
- if (usb3_req != usb3_req_first)
- return;
-
spin_lock_irqsave(&usb3->lock, flags);
+ if (usb3_ep->halt || usb3_ep->started)
+ goto out;
+ if (usb3_req != usb3_req_first)
+ goto out;
+
if (usb3_pn_change(usb3, usb3_ep->num) < 0)
goto out;
diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c
index 2e11f19..f7b4d0f 100644
--- a/drivers/usb/gadget/udc/snps_udc_plat.c
+++ b/drivers/usb/gadget/udc/snps_udc_plat.c
@@ -28,7 +28,7 @@
/* description */
#define UDC_MOD_DESCRIPTION "Synopsys UDC platform driver"
-void start_udc(struct udc *udc)
+static void start_udc(struct udc *udc)
{
if (udc->driver) {
dev_info(udc->dev, "Connecting...\n");
@@ -38,7 +38,7 @@
}
}
-void stop_udc(struct udc *udc)
+static void stop_udc(struct udc *udc)
{
int tmp;
u32 reg;
@@ -76,7 +76,7 @@
dev_info(udc->dev, "Device disconnected\n");
}
-void udc_drd_work(struct work_struct *work)
+static void udc_drd_work(struct work_struct *work)
{
struct udc *udc;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index a9a1e4c..c8f3864 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -77,6 +77,16 @@
#define USB_INTEL_USB3_PSSEN 0xD8
#define USB_INTEL_USB3PRM 0xDC
+/* ASMEDIA quirk use */
+#define ASMT_DATA_WRITE0_REG 0xF8
+#define ASMT_DATA_WRITE1_REG 0xFC
+#define ASMT_CONTROL_REG 0xE0
+#define ASMT_CONTROL_WRITE_BIT 0x02
+#define ASMT_WRITEREG_CMD 0x10423
+#define ASMT_FLOWCTL_ADDR 0xFA30
+#define ASMT_FLOWCTL_DATA 0xBA
+#define ASMT_PSEUDO_DATA 0
+
/*
* amd_chipset_gen values represent AMD different chipset generations
*/
@@ -88,6 +98,7 @@
AMD_CHIPSET_HUDSON2,
AMD_CHIPSET_BOLTON,
AMD_CHIPSET_YANGTZE,
+ AMD_CHIPSET_TAISHAN,
AMD_CHIPSET_UNKNOWN,
};
@@ -131,6 +142,11 @@
pinfo->sb_type.gen = AMD_CHIPSET_SB700;
else if (rev >= 0x40 && rev <= 0x4f)
pinfo->sb_type.gen = AMD_CHIPSET_SB800;
+ }
+ pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+ 0x145c, NULL);
+ if (pinfo->smbus_dev) {
+ pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
} else {
pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
@@ -250,11 +266,12 @@
{
/* Make sure amd chipset type has already been initialized */
usb_amd_find_chipset_info();
- if (amd_chipset.sb_type.gen != AMD_CHIPSET_YANGTZE)
- return 0;
-
- dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n");
- return 1;
+ if (amd_chipset.sb_type.gen == AMD_CHIPSET_YANGTZE ||
+ amd_chipset.sb_type.gen == AMD_CHIPSET_TAISHAN) {
+ dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n");
+ return 1;
+ }
+ return 0;
}
EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk);
@@ -412,6 +429,50 @@
}
EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_disable);
+static int usb_asmedia_wait_write(struct pci_dev *pdev)
+{
+ unsigned long retry_count;
+ unsigned char value;
+
+ for (retry_count = 1000; retry_count > 0; --retry_count) {
+
+ pci_read_config_byte(pdev, ASMT_CONTROL_REG, &value);
+
+ if (value == 0xff) {
+ dev_err(&pdev->dev, "%s: check_ready ERROR", __func__);
+ return -EIO;
+ }
+
+ if ((value & ASMT_CONTROL_WRITE_BIT) == 0)
+ return 0;
+
+ usleep_range(40, 60);
+ }
+
+ dev_warn(&pdev->dev, "%s: check_write_ready timeout", __func__);
+ return -ETIMEDOUT;
+}
+
+void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev)
+{
+ if (usb_asmedia_wait_write(pdev) != 0)
+ return;
+
+ /* send command and address to device */
+ pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_WRITEREG_CMD);
+ pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_FLOWCTL_ADDR);
+ pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT);
+
+ if (usb_asmedia_wait_write(pdev) != 0)
+ return;
+
+ /* send data to device */
+ pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_FLOWCTL_DATA);
+ pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_PSEUDO_DATA);
+ pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT);
+}
+EXPORT_SYMBOL_GPL(usb_asmedia_modifyflowcontrol);
+
void usb_amd_quirk_pll_enable(void)
{
usb_amd_quirk_pll(0);
@@ -1096,3 +1157,23 @@
}
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff);
+
+bool usb_xhci_needs_pci_reset(struct pci_dev *pdev)
+{
+ /*
+ * Our dear uPD72020{1,2} friend only partially resets when
+ * asked to via the XHCI interface, and may end up doing DMA
+ * at the wrong addresses, as it keeps the top 32bit of some
+ * addresses from its previous programming under obscure
+ * circumstances.
+ * Give it a good wack at probe time. Unfortunately, this
+ * needs to happen before we've had a chance to discover any
+ * quirk, or the system will be in a rather bad state.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
+ (pdev->device == 0x0014 || pdev->device == 0x0015))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL_GPL(usb_xhci_needs_pci_reset);
diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h
index 0222195..5582cba 100644
--- a/drivers/usb/host/pci-quirks.h
+++ b/drivers/usb/host/pci-quirks.h
@@ -11,13 +11,16 @@
void usb_amd_dev_put(void);
void usb_amd_quirk_pll_disable(void);
void usb_amd_quirk_pll_enable(void);
+void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev);
void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev);
void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
void sb800_prefetch(struct device *dev, int on);
+bool usb_xhci_needs_pci_reset(struct pci_dev *pdev);
#else
struct pci_dev;
static inline void usb_amd_quirk_pll_disable(void) {}
static inline void usb_amd_quirk_pll_enable(void) {}
+static inline void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev) {}
static inline void usb_amd_dev_put(void) {}
static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
static inline void sb800_prefetch(struct device *dev, int on) {}
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 1adae9e..00721e8 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -398,14 +398,21 @@
spin_lock_irqsave(&xhci->lock, flags);
for (i = LAST_EP_INDEX; i > 0; i--) {
if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) {
+ struct xhci_ep_ctx *ep_ctx;
struct xhci_command *command;
+
+ ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, i);
+
+ /* Check ep is running, required by AMD SNPS 3.1 xHC */
+ if (GET_EP_CTX_STATE(ep_ctx) != EP_STATE_RUNNING)
+ continue;
+
command = xhci_alloc_command(xhci, false, false,
GFP_NOWAIT);
if (!command) {
spin_unlock_irqrestore(&xhci->lock, flags);
xhci_free_command(xhci, cmd);
return -ENOMEM;
-
}
xhci_queue_stop_endpoint(xhci, command, slot_id, i,
suspend);
@@ -603,12 +610,14 @@
/* Disable all Device Slots */
xhci_dbg(xhci, "Disable all slots\n");
+ spin_unlock_irqrestore(&xhci->lock, *flags);
for (i = 1; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) {
retval = xhci_disable_slot(xhci, NULL, i);
if (retval)
xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n",
i, retval);
}
+ spin_lock_irqsave(&xhci->lock, *flags);
/* Put all ports to the Disable state by clear PP */
xhci_dbg(xhci, "Disable all port (PP = 0)\n");
/* Power off USB3 ports*/
@@ -897,6 +906,9 @@
clear_bit(wIndex, &bus_state->resuming_ports);
set_bit(wIndex, &bus_state->rexit_ports);
+
+ xhci_test_and_clear_bit(xhci, port_array, wIndex,
+ PORT_PLC);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 53882e2..8071c8f 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -59,6 +59,8 @@
#define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb
#define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc
+#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142
+
static const char hcd_name[] = "xhci_hcd";
static struct hc_driver __read_mostly xhci_pci_hc_driver;
@@ -217,6 +219,10 @@
pdev->device == 0x1142)
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
+ xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL;
+
if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241)
xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7;
@@ -278,6 +284,13 @@
driver = (struct hc_driver *)id->driver_data;
+ /* For some HW implementation, a XHCI reset is just not enough... */
+ if (usb_xhci_needs_pci_reset(dev)) {
+ dev_info(&dev->dev, "Resetting\n");
+ if (pci_reset_function_locked(dev))
+ dev_warn(&dev->dev, "Reset failed");
+ }
+
/* Prevent runtime suspending between USB-2 and USB-3 initialization */
pm_runtime_get_noresume(&dev->dev);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index c50c902..cc368ad 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -864,13 +864,16 @@
(ep->ep_state & EP_GETTING_NO_STREAMS)) {
int stream_id;
- for (stream_id = 0; stream_id < ep->stream_info->num_streams;
+ for (stream_id = 1; stream_id < ep->stream_info->num_streams;
stream_id++) {
+ ring = ep->stream_info->stream_rings[stream_id];
+ if (!ring)
+ continue;
+
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"Killing URBs for slot ID %u, ep index %u, stream %u",
- slot_id, ep_index, stream_id + 1);
- xhci_kill_ring_urbs(xhci,
- ep->stream_info->stream_rings[stream_id]);
+ slot_id, ep_index, stream_id);
+ xhci_kill_ring_urbs(xhci, ring);
}
} else {
ring = ep->ring;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 56f85df..b2ff1ff 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -198,6 +198,9 @@
if (ret)
return ret;
+ if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL)
+ usb_asmedia_modifyflowcontrol(to_pci_dev(xhci_to_hcd(xhci)->self.controller));
+
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Wait for controller to be ready for doorbell rings");
/*
@@ -622,8 +625,10 @@
if (!command)
return -ENOMEM;
- xhci_queue_vendor_command(xhci, command, 0, 0, 0,
+ ret = xhci_queue_vendor_command(xhci, command, 0, 0, 0,
TRB_TYPE(TRB_NEC_GET_FW));
+ if (ret)
+ xhci_free_command(xhci, command);
}
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Finished xhci_run for USB2 roothub");
@@ -1085,6 +1090,9 @@
if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running)
compliance_mode_recovery_timer_init(xhci);
+ if (xhci->quirks & XHCI_ASMEDIA_MODIFY_FLOWCONTROL)
+ usb_asmedia_modifyflowcontrol(to_pci_dev(hcd->self.controller));
+
/* Re-enable port polling. */
xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3c6da1f..e3e9352 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1820,6 +1820,7 @@
#define XHCI_BROKEN_PORT_PED (1 << 25)
#define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26)
#define XHCI_U2_DISABLE_WAKE (1 << 27)
+#define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28)
unsigned int num_active_eps;
unsigned int limit_active_eps;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 76decb8..3344ffd 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -139,6 +139,7 @@
"Could not flush host TX%d fifo: csr: %04x\n",
ep->epnum, csr))
return;
+ mdelay(1);
}
}
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 8fb86a5..3d0dd2f 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -197,6 +197,7 @@
struct regulator *v3p3;
struct regulator *v1p8;
struct regulator *vddcx;
+ struct regulator_bulk_data supplies[3];
struct reset_control *phy_rst;
struct reset_control *link_rst;
@@ -1731,7 +1732,6 @@
static int msm_otg_probe(struct platform_device *pdev)
{
- struct regulator_bulk_data regs[3];
int ret = 0;
struct device_node *np = pdev->dev.of_node;
struct msm_otg_platform_data *pdata;
@@ -1817,17 +1817,18 @@
return motg->irq;
}
- regs[0].supply = "vddcx";
- regs[1].supply = "v3p3";
- regs[2].supply = "v1p8";
+ motg->supplies[0].supply = "vddcx";
+ motg->supplies[1].supply = "v3p3";
+ motg->supplies[2].supply = "v1p8";
- ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(regs), regs);
+ ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(motg->supplies),
+ motg->supplies);
if (ret)
return ret;
- motg->vddcx = regs[0].consumer;
- motg->v3p3 = regs[1].consumer;
- motg->v1p8 = regs[2].consumer;
+ motg->vddcx = motg->supplies[0].consumer;
+ motg->v3p3 = motg->supplies[1].consumer;
+ motg->v1p8 = motg->supplies[2].consumer;
clk_set_rate(motg->clk, 60000000);
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 623c513..f0ce304 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -752,8 +752,10 @@
struct usbhs_priv *priv = dev_get_drvdata(dev);
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
- if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
+ if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL)) {
usbhsc_power_ctrl(priv, 1);
+ usbhs_mod_autonomy_mode(priv);
+ }
usbhs_platform_call(priv, phy_reset, pdev);
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 5bc7a61..2c8161b 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -37,6 +37,7 @@
struct usbhsg_uep {
struct usb_ep ep;
struct usbhs_pipe *pipe;
+ spinlock_t lock; /* protect the pipe */
char ep_name[EP_NAME_SIZE];
@@ -636,10 +637,13 @@
static int usbhsg_ep_disable(struct usb_ep *ep)
{
struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
- struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
+ struct usbhs_pipe *pipe;
+ unsigned long flags;
+ spin_lock_irqsave(&uep->lock, flags);
+ pipe = usbhsg_uep_to_pipe(uep);
if (!pipe)
- return -EINVAL;
+ goto out;
usbhsg_pipe_disable(uep);
usbhs_pipe_free(pipe);
@@ -647,6 +651,9 @@
uep->pipe->mod_private = NULL;
uep->pipe = NULL;
+out:
+ spin_unlock_irqrestore(&uep->lock, flags);
+
return 0;
}
@@ -696,8 +703,11 @@
{
struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
struct usbhsg_request *ureq = usbhsg_req_to_ureq(req);
- struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
+ struct usbhs_pipe *pipe;
+ unsigned long flags;
+ spin_lock_irqsave(&uep->lock, flags);
+ pipe = usbhsg_uep_to_pipe(uep);
if (pipe)
usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq));
@@ -706,6 +716,7 @@
* even if the pipe is NULL.
*/
usbhsg_queue_pop(uep, ureq, -ECONNRESET);
+ spin_unlock_irqrestore(&uep->lock, flags);
return 0;
}
@@ -852,10 +863,10 @@
{
struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
struct usbhs_mod *mod = usbhs_mod_get_current(priv);
- struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv);
+ struct usbhsg_uep *uep;
struct device *dev = usbhs_priv_to_dev(priv);
unsigned long flags;
- int ret = 0;
+ int ret = 0, i;
/******************** spin lock ********************/
usbhs_lock(priv, flags);
@@ -887,7 +898,9 @@
usbhs_sys_set_test_mode(priv, 0);
usbhs_sys_function_ctrl(priv, 0);
- usbhsg_ep_disable(&dcp->ep);
+ /* disable all eps */
+ usbhsg_for_each_uep_with_dcp(uep, gpriv, i)
+ usbhsg_ep_disable(&uep->ep);
dev_dbg(dev, "stop gadget\n");
@@ -1069,6 +1082,7 @@
ret = -ENOMEM;
goto usbhs_mod_gadget_probe_err_gpriv;
}
+ spin_lock_init(&uep->lock);
gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED);
dev_info(dev, "%stransceiver found\n",
diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c
index d544b33..02b67ab 100644
--- a/drivers/usb/renesas_usbhs/rcar3.c
+++ b/drivers/usb/renesas_usbhs/rcar3.c
@@ -20,9 +20,13 @@
/* Low Power Status register (LPSTS) */
#define LPSTS_SUSPM 0x4000
-/* USB General control register 2 (UGCTRL2), bit[31:6] should be 0 */
+/*
+ * USB General control register 2 (UGCTRL2)
+ * Remarks: bit[31:11] and bit[9:6] should be 0
+ */
#define UGCTRL2_RESERVED_3 0x00000001 /* bit[3:0] should be B'0001 */
#define UGCTRL2_USB0SEL_OTG 0x00000030
+#define UGCTRL2_VBUSSEL 0x00000400
static void usbhs_write32(struct usbhs_priv *priv, u32 reg, u32 data)
{
@@ -34,7 +38,8 @@
{
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
- usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG);
+ usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG |
+ UGCTRL2_VBUSSEL);
if (enable) {
usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f64e914..2d945c9 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -142,6 +142,7 @@
{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
{ USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
+ { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ebe51f11..fe12315 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2025,6 +2025,8 @@
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index c9ebefd..a585b47 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -52,6 +52,8 @@
{ USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID),
.driver_info = PL2303_QUIRK_ENDPOINT_HACK },
+ { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC485),
+ .driver_info = PL2303_QUIRK_ENDPOINT_HACK },
{ USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) },
{ USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) },
{ USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 09d9be8..3b5a15d 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -27,6 +27,7 @@
#define ATEN_VENDOR_ID 0x0557
#define ATEN_VENDOR_ID2 0x0547
#define ATEN_PRODUCT_ID 0x2008
+#define ATEN_PRODUCT_UC485 0x2021
#define ATEN_PRODUCT_ID2 0x2118
#define IODATA_VENDOR_ID 0x04bb
diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c
index fba4005..6a7720e 100644
--- a/drivers/usb/storage/isd200.c
+++ b/drivers/usb/storage/isd200.c
@@ -1529,8 +1529,11 @@
/* Make sure driver was initialized */
- if (us->extra == NULL)
+ if (us->extra == NULL) {
usb_stor_dbg(us, "ERROR Driver not initialized\n");
+ srb->result = DID_ERROR << 16;
+ return;
+ }
scsi_set_resid(srb, 0);
/* scsi_bufflen might change in protocol translation to ata */
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index cbea9f3..cde1153 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -124,9 +124,9 @@
/* Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> */
UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
"Initio Corporation",
- "",
+ "INIC-3069",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_ATA_1X),
+ US_FL_NO_ATA_1X | US_FL_IGNORE_RESIDUE),
/* Reported-by: Tom Arild Naess <tanaess@gmail.com> */
UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999,
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 0661593..0dceb9f 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -315,6 +315,7 @@
{
struct us_data *us = (struct us_data *)__us;
struct Scsi_Host *host = us_to_host(us);
+ struct scsi_cmnd *srb;
for (;;) {
usb_stor_dbg(us, "*** thread sleeping\n");
@@ -330,6 +331,7 @@
scsi_lock(host);
/* When we are called with no command pending, we're done */
+ srb = us->srb;
if (us->srb == NULL) {
scsi_unlock(host);
mutex_unlock(&us->dev_mutex);
@@ -398,14 +400,11 @@
/* lock access to the state */
scsi_lock(host);
- /* indicate that the command is done */
- if (us->srb->result != DID_ABORT << 16) {
- usb_stor_dbg(us, "scsi cmd done, result=0x%x\n",
- us->srb->result);
- us->srb->scsi_done(us->srb);
- } else {
+ /* was the command aborted? */
+ if (us->srb->result == DID_ABORT << 16) {
SkipForAbort:
usb_stor_dbg(us, "scsi command aborted\n");
+ srb = NULL; /* Don't call srb->scsi_done() */
}
/*
@@ -429,6 +428,13 @@
/* unlock the device pointers */
mutex_unlock(&us->dev_mutex);
+
+ /* now that the locks are released, notify the SCSI core */
+ if (srb) {
+ usb_stor_dbg(us, "scsi cmd done, result=0x%x\n",
+ srb->result);
+ srb->scsi_done(srb);
+ }
} /* for (;;) */
/* Wait until we are told to stop */
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 6b0d2f0..8a88f45 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -3,6 +3,7 @@
#define __DRIVER_USB_TYPEC_UCSI_H
#include <linux/bitops.h>
+#include <linux/device.h>
#include <linux/types.h>
/* -------------------------------------------------------------------------- */
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 063c1ce..f041b1a 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -226,7 +226,14 @@
if (ret)
return ret;
- vdev->reset_works = (pci_reset_function(pdev) == 0);
+ /* If reset fails because of the device lock, fail this path entirely */
+ ret = pci_try_reset_function(pdev);
+ if (ret == -EAGAIN) {
+ pci_disable_device(pdev);
+ return ret;
+ }
+
+ vdev->reset_works = !ret;
pci_save_state(pdev);
vdev->pci_saved_state = pci_store_saved_state(pdev);
if (!vdev->pci_saved_state)
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 330a570..5628fe1 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -839,7 +839,7 @@
/* Permissions for PCI Express capability */
static int __init init_pci_cap_exp_perm(struct perm_bits *perm)
{
- /* Alloc larger of two possible sizes */
+ /* Alloc largest of possible sizes */
if (alloc_perm_bits(perm, PCI_CAP_EXP_ENDPOINT_SIZEOF_V2))
return -ENOMEM;
@@ -1243,11 +1243,16 @@
vdev->extended_caps = (dword != 0);
}
- /* length based on version */
- if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1)
+ /* length based on version and type */
+ if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1) {
+ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_RC_END)
+ return 0xc; /* "All Devices" only, no link */
return PCI_CAP_EXP_ENDPOINT_SIZEOF_V1;
- else
+ } else {
+ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_RC_END)
+ return 0x2c; /* No link */
return PCI_CAP_EXP_ENDPOINT_SIZEOF_V2;
+ }
case PCI_CAP_ID_HT:
ret = pci_read_config_byte(pdev, pos + 3, &byte);
if (ret)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e4613a3..9cb3f72 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -308,7 +308,6 @@
vq->avail = NULL;
vq->used = NULL;
vq->last_avail_idx = 0;
- vq->last_used_event = 0;
vq->avail_idx = 0;
vq->last_used_idx = 0;
vq->signalled_used = 0;
@@ -1402,7 +1401,7 @@
r = -EINVAL;
break;
}
- vq->last_avail_idx = vq->last_used_event = s.num;
+ vq->last_avail_idx = s.num;
/* Forget the cached index value. */
vq->avail_idx = vq->last_avail_idx;
break;
@@ -2241,6 +2240,10 @@
__u16 old, new;
__virtio16 event;
bool v;
+ /* Flush out used index updates. This is paired
+ * with the barrier that the Guest executes when enabling
+ * interrupts. */
+ smp_mb();
if (vhost_has_feature(vq, VIRTIO_F_NOTIFY_ON_EMPTY) &&
unlikely(vq->avail_idx == vq->last_avail_idx))
@@ -2248,10 +2251,6 @@
if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) {
__virtio16 flags;
- /* Flush out used index updates. This is paired
- * with the barrier that the Guest executes when enabling
- * interrupts. */
- smp_mb();
if (vhost_get_avail(vq, flags, &vq->avail->flags)) {
vq_err(vq, "Failed to get flags");
return true;
@@ -2266,26 +2265,11 @@
if (unlikely(!v))
return true;
- /* We're sure if the following conditions are met, there's no
- * need to notify guest:
- * 1) cached used event is ahead of new
- * 2) old to new updating does not cross cached used event. */
- if (vring_need_event(vq->last_used_event, new + vq->num, new) &&
- !vring_need_event(vq->last_used_event, new, old))
- return false;
-
- /* Flush out used index updates. This is paired
- * with the barrier that the Guest executes when enabling
- * interrupts. */
- smp_mb();
-
if (vhost_get_avail(vq, event, vhost_used_event(vq))) {
vq_err(vq, "Failed to get used event idx");
return true;
}
- vq->last_used_event = vhost16_to_cpu(vq, event);
-
- return vring_need_event(vq->last_used_event, new, old);
+ return vring_need_event(vhost16_to_cpu(vq, event), new, old);
}
/* This actually signals the guest, using eventfd. */
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index f720958..bb7c29b 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -115,9 +115,6 @@
/* Last index we used. */
u16 last_used_idx;
- /* Last used evet we've seen */
- u16 last_used_event;
-
/* Used flags */
u16 used_flags;
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index ff01bed..1e784ad 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -17,6 +17,7 @@
#include <asm/efi.h>
static bool request_mem_succeeded = false;
+static bool nowc = false;
static struct fb_var_screeninfo efifb_defined = {
.activate = FB_ACTIVATE_NOW,
@@ -99,6 +100,8 @@
screen_info.lfb_height = simple_strtoul(this_opt+7, NULL, 0);
else if (!strncmp(this_opt, "width:", 6))
screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0);
+ else if (!strcmp(this_opt, "nowc"))
+ nowc = true;
}
}
@@ -255,7 +258,10 @@
info->apertures->ranges[0].base = efifb_fix.smem_start;
info->apertures->ranges[0].size = size_remap;
- info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len);
+ if (nowc)
+ info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len);
+ else
+ info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len);
if (!info->screen_base) {
pr_err("efifb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",
efifb_fix.smem_len, efifb_fix.smem_start);
diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index c166e07..ba82f97 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -1073,20 +1073,16 @@
imxfb_disable_controller(fbi);
unregister_framebuffer(info);
-
+ fb_dealloc_cmap(&info->cmap);
pdata = dev_get_platdata(&pdev->dev);
if (pdata && pdata->exit)
pdata->exit(fbi->pdev);
-
- fb_dealloc_cmap(&info->cmap);
- kfree(info->pseudo_palette);
- framebuffer_release(info);
-
dma_free_wc(&pdev->dev, fbi->map_size, info->screen_base,
fbi->map_dma);
-
iounmap(fbi->regs);
release_mem_region(res->start, resource_size(res));
+ kfree(info->pseudo_palette);
+ framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/core.c b/drivers/video/fbdev/omap2/omapfb/dss/core.c
index eecf695..09e5bb0 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/core.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/core.c
@@ -193,7 +193,6 @@
static int __init omap_dss_probe(struct platform_device *pdev)
{
- struct omap_dss_board_info *pdata = pdev->dev.platform_data;
int r;
core.pdev = pdev;
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 22caf80..f0b3a0b 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -104,12 +104,6 @@
return pfn * VIRTIO_BALLOON_PAGES_PER_PAGE;
}
-static struct page *balloon_pfn_to_page(u32 pfn)
-{
- BUG_ON(pfn % VIRTIO_BALLOON_PAGES_PER_PAGE);
- return pfn_to_page(pfn / VIRTIO_BALLOON_PAGES_PER_PAGE);
-}
-
static void balloon_ack(struct virtqueue *vq)
{
struct virtio_balloon *vb = vq->vdev->priv;
@@ -138,8 +132,10 @@
{
unsigned int i;
- /* Set balloon pfns pointing at this page.
- * Note that the first pfn points at start of the page. */
+ /*
+ * Set balloon pfns pointing at this page.
+ * Note that the first pfn points at start of the page.
+ */
for (i = 0; i < VIRTIO_BALLOON_PAGES_PER_PAGE; i++)
pfns[i] = cpu_to_virtio32(vb->vdev,
page_to_balloon_pfn(page) + i);
@@ -182,18 +178,16 @@
return num_allocated_pages;
}
-static void release_pages_balloon(struct virtio_balloon *vb)
+static void release_pages_balloon(struct virtio_balloon *vb,
+ struct list_head *pages)
{
- unsigned int i;
- struct page *page;
+ struct page *page, *next;
- /* Find pfns pointing at start of each page, get pages and free them. */
- for (i = 0; i < vb->num_pfns; i += VIRTIO_BALLOON_PAGES_PER_PAGE) {
- page = balloon_pfn_to_page(virtio32_to_cpu(vb->vdev,
- vb->pfns[i]));
+ list_for_each_entry_safe(page, next, pages, lru) {
if (!virtio_has_feature(vb->vdev,
VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
adjust_managed_page_count(page, 1);
+ list_del(&page->lru);
put_page(page); /* balloon reference */
}
}
@@ -203,6 +197,7 @@
unsigned num_freed_pages;
struct page *page;
struct balloon_dev_info *vb_dev_info = &vb->vb_dev_info;
+ LIST_HEAD(pages);
/* We can only do one array worth at a time. */
num = min(num, ARRAY_SIZE(vb->pfns));
@@ -216,6 +211,7 @@
if (!page)
break;
set_page_pfns(vb, vb->pfns + vb->num_pfns, page);
+ list_add(&page->lru, &pages);
vb->num_pages -= VIRTIO_BALLOON_PAGES_PER_PAGE;
}
@@ -227,7 +223,7 @@
*/
if (vb->num_pfns != 0)
tell_host(vb, vb->deflate_vq);
- release_pages_balloon(vb);
+ release_pages_balloon(vb, &pages);
mutex_unlock(&vb->balloon_lock);
return num_freed_pages;
}
diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index 007a4f3..1c4797e 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -107,6 +107,7 @@
{
struct virtio_pci_device *vp_dev = to_vp_device(vdev);
const char *name = dev_name(&vp_dev->vdev.dev);
+ unsigned flags = PCI_IRQ_MSIX;
unsigned i, v;
int err = -ENOMEM;
@@ -126,10 +127,13 @@
GFP_KERNEL))
goto error;
+ if (desc) {
+ flags |= PCI_IRQ_AFFINITY;
+ desc->pre_vectors++; /* virtio config vector */
+ }
+
err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors,
- nvectors, PCI_IRQ_MSIX |
- (desc ? PCI_IRQ_AFFINITY : 0),
- desc);
+ nvectors, flags, desc);
if (err < 0)
goto error;
vp_dev->msix_enabled = 1;
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index 3612542..83fc9aa 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -704,7 +704,8 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- ret = -ENXIO;
+ dev_dbg(&pdev->dev, "Failed to get IRQ: %d\n", irq);
+ ret = irq;
goto err_irq;
}
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 95ea7e6..74471e7 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -728,6 +728,7 @@
memcpy(&sl->reg_num, rn, sizeof(sl->reg_num));
atomic_set(&sl->refcnt, 1);
atomic_inc(&sl->master->refcnt);
+ dev->slave_count++;
/* slave modules need to be loaded in a context with unlocked mutex */
mutex_unlock(&dev->mutex);
@@ -747,11 +748,11 @@
sl->family = f;
-
err = __w1_attach_slave_device(sl);
if (err < 0) {
dev_err(&dev->dev, "%s: Attaching %s failed.\n", __func__,
sl->name);
+ dev->slave_count--;
w1_family_put(sl->family);
atomic_dec(&sl->master->refcnt);
kfree(sl);
@@ -759,7 +760,6 @@
}
sl->ttl = dev->slave_ttl;
- dev->slave_count++;
memcpy(msg.id.id, rn, sizeof(msg.id));
msg.type = W1_SLAVE_ADD;
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 8feab810..7f188b8 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -7,9 +7,6 @@
nostackp := $(call cc-option, -fno-stack-protector)
CFLAGS_features.o := $(nostackp)
-CFLAGS_efi.o += -fshort-wchar
-LDFLAGS += $(call ld-option, --no-wchar-size-warning)
-
dom0-$(CONFIG_ARM64) += arm-device.o
dom0-$(CONFIG_PCI) += pci.o
dom0-$(CONFIG_USB_SUPPORT) += dbgp.o
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 50dcb68..ab60925 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -780,6 +780,9 @@
}
#endif
+ /* Init the xen-balloon driver. */
+ xen_balloon_init();
+
return 0;
}
subsys_initcall(balloon_init);
diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index 4da69db..1bdd02a 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -10,8 +10,7 @@
unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
- return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
- ((bfn1 == bfn2) || ((bfn1+1) == bfn2));
+ return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
#else
/*
* XXX: Add support for merging bio_vec when using different page
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index b241bfa..2d43118 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -343,14 +343,6 @@
info->cpu = cpu;
}
-static void xen_evtchn_mask_all(void)
-{
- unsigned int evtchn;
-
- for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
- mask_evtchn(evtchn);
-}
-
/**
* notify_remote_via_irq - send event to remote end of event channel via irq
* @irq: irq of event channel to send event to
@@ -582,7 +574,7 @@
static void enable_pirq(struct irq_data *data)
{
- startup_pirq(data);
+ enable_dynirq(data);
}
static void disable_pirq(struct irq_data *data)
@@ -1573,7 +1565,6 @@
struct irq_info *info;
/* New event-channel space is not 'live' yet. */
- xen_evtchn_mask_all();
xen_evtchn_resume();
/* No IRQ <-> event-channel mappings. */
@@ -1681,6 +1672,7 @@
void __init xen_init_IRQ(void)
{
int ret = -EINVAL;
+ unsigned int evtchn;
if (fifo_events)
ret = xen_evtchn_fifo_init();
@@ -1692,7 +1684,8 @@
BUG_ON(!evtchn_to_irq);
/* No event channels are 'live' right now. */
- xen_evtchn_mask_all();
+ for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
+ mask_evtchn(evtchn);
pirq_needs_eoi = pirq_needs_eoi_flag;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index f3bf8f4..8236059 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -484,13 +484,6 @@
mutex_unlock(&priv->lock);
}
-static void mn_invl_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- mn_invl_range_start(mn, mm, address, address + PAGE_SIZE);
-}
-
static void mn_release(struct mmu_notifier *mn,
struct mm_struct *mm)
{
@@ -522,7 +515,6 @@
static const struct mmu_notifier_ops gntdev_mmu_ops = {
.release = mn_release,
- .invalidate_page = mn_invl_page,
.invalidate_range_start = mn_invl_range_start,
};
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index d6786b8..2c6a911 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -42,6 +42,7 @@
#include <linux/delay.h>
#include <linux/hardirq.h>
#include <linux/workqueue.h>
+#include <linux/ratelimit.h>
#include <xen/xen.h>
#include <xen/interface/xen.h>
@@ -1072,8 +1073,14 @@
cur = nr_grant_frames;
extra = ((req_entries + (grefs_per_grant_frame-1)) /
grefs_per_grant_frame);
- if (cur + extra > gnttab_max_grant_frames())
+ if (cur + extra > gnttab_max_grant_frames()) {
+ pr_warn_ratelimited("xen/grant-table: max_grant_frames reached"
+ " cur=%u extra=%u limit=%u"
+ " gnttab_free_count=%u req_entries=%u\n",
+ cur, extra, gnttab_max_grant_frames(),
+ gnttab_free_count, req_entries);
return -ENOSPC;
+ }
rc = gnttab_map(cur, cur + extra - 1);
if (rc == 0)
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c
index e7715cb..e89136a 100644
--- a/drivers/xen/xen-balloon.c
+++ b/drivers/xen/xen-balloon.c
@@ -59,6 +59,8 @@
{
unsigned long long new_target;
int err;
+ static bool watch_fired;
+ static long target_diff;
err = xenbus_scanf(XBT_NIL, "memory", "target", "%llu", &new_target);
if (err != 1) {
@@ -69,7 +71,14 @@
/* The given memory/target value is in KiB, so it needs converting to
* pages. PAGE_SHIFT converts bytes to pages, hence PAGE_SHIFT - 10.
*/
- balloon_set_new_target(new_target >> (PAGE_SHIFT - 10));
+ new_target >>= PAGE_SHIFT - 10;
+ if (watch_fired) {
+ balloon_set_new_target(new_target - target_diff);
+ return;
+ }
+
+ watch_fired = true;
+ target_diff = new_target - balloon_stats.target_pages;
}
static struct xenbus_watch target_watch = {
.node = "memory/target",
@@ -94,22 +103,15 @@
.notifier_call = balloon_init_watcher,
};
-static int __init balloon_init(void)
+void xen_balloon_init(void)
{
- if (!xen_domain())
- return -ENODEV;
-
- pr_info("Initialising balloon driver\n");
-
register_balloon(&balloon_dev);
register_xen_selfballooning(&balloon_dev);
register_xenstore_notifier(&xenstore_notifier);
-
- return 0;
}
-subsys_initcall(balloon_init);
+EXPORT_SYMBOL_GPL(xen_balloon_init);
#define BALLOON_SHOW(name, format, args...) \
static ssize_t show_##name(struct device *dev, \
diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c
index 6662071..a67e955 100644
--- a/drivers/xen/xen-selfballoon.c
+++ b/drivers/xen/xen-selfballoon.c
@@ -151,8 +151,8 @@
static void frontswap_selfshrink(void)
{
static unsigned long cur_frontswap_pages;
- static unsigned long last_frontswap_pages;
- static unsigned long tgt_frontswap_pages;
+ unsigned long last_frontswap_pages;
+ unsigned long tgt_frontswap_pages;
last_frontswap_pages = cur_frontswap_pages;
cur_frontswap_pages = frontswap_curr_pages();
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index e460802..3e59590 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -857,6 +857,8 @@
struct list_head *ent;
struct xs_watch_event *event;
+ xenwatch_pid = current->pid;
+
for (;;) {
wait_event_interruptible(watch_events_waitq,
!list_empty(&watch_events));
@@ -925,7 +927,6 @@
task = kthread_run(xenwatch_thread, NULL, "xenwatch");
if (IS_ERR(task))
return PTR_ERR(task);
- xenwatch_pid = task->pid;
/* shutdown watches for kexec boot */
xs_reset_watches();
diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
index 967f069..71ddfb4 100644
--- a/drivers/xen/xenfs/super.c
+++ b/drivers/xen/xenfs/super.c
@@ -87,7 +87,6 @@
if (xen_domain())
return register_filesystem(&xenfs_type);
- pr_info("not registering filesystem on non-xen platform\n");
return 0;
}
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 879ff9c..6466153 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -664,8 +664,7 @@
{
unsigned long random_variable = 0;
- if ((current->flags & PF_RANDOMIZE) &&
- !(current->personality & ADDR_NO_RANDOMIZE)) {
+ if (current->flags & PF_RANDOMIZE) {
random_variable = get_random_long();
random_variable &= STACK_RND_MASK;
random_variable <<= PAGE_SHIFT;
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 69ec23d..a1e6860 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -574,7 +574,7 @@
MAX_SHARED_LIBS * sizeof(unsigned long),
FLAT_DATA_ALIGN);
- pr_debug("Allocated data+bss+stack (%ld bytes): %lx\n",
+ pr_debug("Allocated data+bss+stack (%u bytes): %lx\n",
data_len + bss_len + stack_len, datapos);
fpos = ntohl(hdr->data_start);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 080e2eb..f45b61f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3516,7 +3516,7 @@
struct bio *bio = device->flush_bio;
if (!device->flush_bio_sent)
- return 0;
+ return BLK_STS_OK;
device->flush_bio_sent = 0;
wait_for_completion_io(&device->flush_wait);
@@ -3563,7 +3563,7 @@
continue;
write_dev_flush(dev);
- dev->last_flush_error = 0;
+ dev->last_flush_error = BLK_STS_OK;
}
/* wait for all the barriers */
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 375f8c7..e3b0b41 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4825,10 +4825,6 @@
else
flush = BTRFS_RESERVE_NO_FLUSH;
spin_lock(&space_info->lock);
- if (can_overcommit(fs_info, space_info, orig, flush, false)) {
- spin_unlock(&space_info->lock);
- break;
- }
if (list_empty(&space_info->tickets) &&
list_empty(&space_info->priority_tickets)) {
spin_unlock(&space_info->lock);
@@ -7589,6 +7585,10 @@
u64 offset;
int cached;
+ /* If the block group is read-only, we can skip it entirely. */
+ if (unlikely(block_group->ro))
+ continue;
+
btrfs_grab_block_group(block_group, delalloc);
search_start = block_group->key.objectid;
@@ -7624,8 +7624,6 @@
if (unlikely(block_group->cached == BTRFS_CACHE_ERROR))
goto loop;
- if (unlikely(block_group->ro))
- goto loop;
/*
* Ok we want to try and use the cluster allocator, so
@@ -7839,6 +7837,7 @@
failed_alloc = false;
BUG_ON(index != get_block_group_index(block_group));
btrfs_release_block_group(block_group, delalloc);
+ cond_resched();
}
up_read(&space_info->groups_sem);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 95c2120..24bcd5c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7924,11 +7924,12 @@
return ret;
}
-static inline int submit_dio_repair_bio(struct inode *inode, struct bio *bio,
- int mirror_num)
+static inline blk_status_t submit_dio_repair_bio(struct inode *inode,
+ struct bio *bio,
+ int mirror_num)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- int ret;
+ blk_status_t ret;
BUG_ON(bio_op(bio) == REQ_OP_WRITE);
@@ -7980,10 +7981,10 @@
return 1;
}
-static int dio_read_error(struct inode *inode, struct bio *failed_bio,
- struct page *page, unsigned int pgoff,
- u64 start, u64 end, int failed_mirror,
- bio_end_io_t *repair_endio, void *repair_arg)
+static blk_status_t dio_read_error(struct inode *inode, struct bio *failed_bio,
+ struct page *page, unsigned int pgoff,
+ u64 start, u64 end, int failed_mirror,
+ bio_end_io_t *repair_endio, void *repair_arg)
{
struct io_failure_record *failrec;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
@@ -7993,18 +7994,19 @@
int read_mode = 0;
int segs;
int ret;
+ blk_status_t status;
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
ret = btrfs_get_io_failure_record(inode, start, end, &failrec);
if (ret)
- return ret;
+ return errno_to_blk_status(ret);
ret = btrfs_check_dio_repairable(inode, failed_bio, failrec,
failed_mirror);
if (!ret) {
free_io_failure(failure_tree, io_tree, failrec);
- return -EIO;
+ return BLK_STS_IOERR;
}
segs = bio_segments(failed_bio);
@@ -8022,13 +8024,13 @@
"Repair DIO Read Error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d\n",
read_mode, failrec->this_mirror, failrec->in_validation);
- ret = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
- if (ret) {
+ status = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
+ if (status) {
free_io_failure(failure_tree, io_tree, failrec);
bio_put(bio);
}
- return ret;
+ return status;
}
struct btrfs_retry_complete {
@@ -8065,8 +8067,8 @@
bio_put(bio);
}
-static int __btrfs_correct_data_nocsum(struct inode *inode,
- struct btrfs_io_bio *io_bio)
+static blk_status_t __btrfs_correct_data_nocsum(struct inode *inode,
+ struct btrfs_io_bio *io_bio)
{
struct btrfs_fs_info *fs_info;
struct bio_vec bvec;
@@ -8076,8 +8078,8 @@
unsigned int pgoff;
u32 sectorsize;
int nr_sectors;
- int ret;
- int err = 0;
+ blk_status_t ret;
+ blk_status_t err = BLK_STS_OK;
fs_info = BTRFS_I(inode)->root->fs_info;
sectorsize = fs_info->sectorsize;
@@ -8183,11 +8185,12 @@
int csum_pos;
bool uptodate = (err == 0);
int ret;
+ blk_status_t status;
fs_info = BTRFS_I(inode)->root->fs_info;
sectorsize = fs_info->sectorsize;
- err = 0;
+ err = BLK_STS_OK;
start = io_bio->logical;
done.inode = inode;
io_bio->bio.bi_iter = io_bio->iter;
@@ -8209,12 +8212,12 @@
done.start = start;
init_completion(&done.done);
- ret = dio_read_error(inode, &io_bio->bio, bvec.bv_page,
- pgoff, start, start + sectorsize - 1,
- io_bio->mirror_num,
- btrfs_retry_endio, &done);
- if (ret) {
- err = errno_to_blk_status(ret);
+ status = dio_read_error(inode, &io_bio->bio, bvec.bv_page,
+ pgoff, start, start + sectorsize - 1,
+ io_bio->mirror_num, btrfs_retry_endio,
+ &done);
+ if (status) {
+ err = status;
goto next;
}
@@ -8250,7 +8253,7 @@
if (unlikely(err))
return __btrfs_correct_data_nocsum(inode, io_bio);
else
- return 0;
+ return BLK_STS_OK;
} else {
return __btrfs_subio_endio_read(inode, io_bio, err);
}
@@ -8423,9 +8426,9 @@
return 0;
}
-static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode,
- u64 file_offset, int skip_sum,
- int async_submit)
+static inline blk_status_t
+__btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, u64 file_offset,
+ int skip_sum, int async_submit)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_dio_private *dip = bio->bi_private;
@@ -8488,6 +8491,7 @@
int clone_offset = 0;
int clone_len;
int ret;
+ blk_status_t status;
map_length = orig_bio->bi_iter.bi_size;
submit_len = map_length;
@@ -8537,9 +8541,9 @@
*/
atomic_inc(&dip->pending_bios);
- ret = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum,
- async_submit);
- if (ret) {
+ status = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum,
+ async_submit);
+ if (status) {
bio_put(bio);
atomic_dec(&dip->pending_bios);
goto out_err;
@@ -8557,9 +8561,9 @@
} while (submit_len > 0);
submit:
- ret = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum,
- async_submit);
- if (!ret)
+ status = __btrfs_submit_dio_bio(bio, inode, file_offset, skip_sum,
+ async_submit);
+ if (!status)
return 0;
bio_put(bio);
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 2086383..2cf6ba4 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -905,7 +905,7 @@
if (!atomic_dec_and_test(&rbio->stripes_pending))
return;
- err = 0;
+ err = BLK_STS_OK;
/* OK, we have read all the stripes we need to. */
max_errors = (rbio->operation == BTRFS_RBIO_PARITY_SCRUB) ?
@@ -1324,7 +1324,7 @@
return;
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
}
/*
@@ -1475,7 +1475,7 @@
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
}
static void async_rmw_stripe(struct btrfs_raid_bio *rbio)
@@ -1579,7 +1579,7 @@
return 0;
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
return -EIO;
finish:
@@ -1795,12 +1795,12 @@
void **pointers;
int faila = -1, failb = -1;
struct page *page;
- int err;
+ blk_status_t err;
int i;
pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);
if (!pointers) {
- err = -ENOMEM;
+ err = BLK_STS_RESOURCE;
goto cleanup_io;
}
@@ -1856,7 +1856,7 @@
* a bad data or Q stripe.
* TODO, we should redo the xor here.
*/
- err = -EIO;
+ err = BLK_STS_IOERR;
goto cleanup;
}
/*
@@ -1882,7 +1882,7 @@
if (rbio->bbio->raid_map[failb] == RAID6_Q_STRIPE) {
if (rbio->bbio->raid_map[faila] ==
RAID5_P_STRIPE) {
- err = -EIO;
+ err = BLK_STS_IOERR;
goto cleanup;
}
/*
@@ -1954,13 +1954,13 @@
}
}
- err = 0;
+ err = BLK_STS_OK;
cleanup:
kfree(pointers);
cleanup_io:
if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
- if (err == 0)
+ if (err == BLK_STS_OK)
cache_rbio_pages(rbio);
else
clear_bit(RBIO_CACHE_READY_BIT, &rbio->flags);
@@ -1968,7 +1968,7 @@
rbio_orig_end_io(rbio, err);
} else if (rbio->operation == BTRFS_RBIO_REBUILD_MISSING) {
rbio_orig_end_io(rbio, err);
- } else if (err == 0) {
+ } else if (err == BLK_STS_OK) {
rbio->faila = -1;
rbio->failb = -1;
@@ -2005,7 +2005,7 @@
return;
if (atomic_read(&rbio->error) > rbio->bbio->max_errors)
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
else
__raid_recover_end_io(rbio);
}
@@ -2104,7 +2104,7 @@
cleanup:
if (rbio->operation == BTRFS_RBIO_READ_REBUILD ||
rbio->operation == BTRFS_RBIO_REBUILD_MISSING)
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
return -EIO;
}
@@ -2431,7 +2431,7 @@
nr_data = bio_list_size(&bio_list);
if (!nr_data) {
/* Every parity is right */
- rbio_orig_end_io(rbio, 0);
+ rbio_orig_end_io(rbio, BLK_STS_OK);
return;
}
@@ -2451,7 +2451,7 @@
return;
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
}
static inline int is_data_stripe(struct btrfs_raid_bio *rbio, int stripe)
@@ -2519,7 +2519,7 @@
return;
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
}
/*
@@ -2633,7 +2633,7 @@
return;
cleanup:
- rbio_orig_end_io(rbio, -EIO);
+ rbio_orig_end_io(rbio, BLK_STS_IOERR);
return;
finish:
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f20ef21..3a11ae6 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2153,8 +2153,7 @@
u32 this_len = sizeof(*di) + name_len + data_len;
char *name;
- ret = verify_dir_item(fs_info, path->nodes[0],
- path->slots[0], di);
+ ret = verify_dir_item(fs_info, path->nodes[0], i, di);
if (ret) {
ret = -EIO;
goto out;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 5eb7217..bd679bc 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2702,7 +2702,7 @@
mutex_lock(&fs_info->chunk_mutex);
old_total = btrfs_super_total_bytes(super_copy);
- diff = new_size - device->total_bytes;
+ diff = round_down(new_size - device->total_bytes, fs_info->sectorsize);
if (new_size <= device->total_bytes ||
device->is_tgtdev_for_dev_replace) {
@@ -4406,7 +4406,7 @@
u64 diff;
new_size = round_down(new_size, fs_info->sectorsize);
- diff = old_size - new_size;
+ diff = round_down(old_size - new_size, fs_info->sectorsize);
if (device->is_tgtdev_for_dev_replace)
return -EINVAL;
@@ -6212,8 +6212,8 @@
}
}
-int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
- int mirror_num, int async_submit)
+blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
+ int mirror_num, int async_submit)
{
struct btrfs_device *dev;
struct bio *first_bio = bio;
@@ -6233,7 +6233,7 @@
&map_length, &bbio, mirror_num, 1);
if (ret) {
btrfs_bio_counter_dec(fs_info);
- return ret;
+ return errno_to_blk_status(ret);
}
total_devs = bbio->num_stripes;
@@ -6256,7 +6256,7 @@
}
btrfs_bio_counter_dec(fs_info);
- return ret;
+ return errno_to_blk_status(ret);
}
if (map_length < length) {
@@ -6283,7 +6283,7 @@
dev_nr, async_submit);
}
btrfs_bio_counter_dec(fs_info);
- return 0;
+ return BLK_STS_OK;
}
struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid,
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 6f45fd6..93277fc 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -74,7 +74,7 @@
int missing;
int can_discard;
int is_tgtdev_for_dev_replace;
- int last_flush_error;
+ blk_status_t last_flush_error;
int flush_bio_sent;
#ifdef __BTRFS_NEED_DEVICE_DATA_ORDERED
@@ -416,8 +416,8 @@
struct btrfs_fs_info *fs_info, u64 type);
void btrfs_mapping_init(struct btrfs_mapping_tree *tree);
void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree);
-int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
- int mirror_num, int async_submit);
+blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
+ int mirror_num, int async_submit);
int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
fmode_t flags, void *holder);
int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 5083628..1bc709f 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -189,7 +189,7 @@
/*
* read a single page, without unlocking it.
*/
-static int readpage_nounlock(struct file *filp, struct page *page)
+static int ceph_do_readpage(struct file *filp, struct page *page)
{
struct inode *inode = file_inode(filp);
struct ceph_inode_info *ci = ceph_inode(inode);
@@ -219,7 +219,7 @@
err = ceph_readpage_from_fscache(inode, page);
if (err == 0)
- goto out;
+ return -EINPROGRESS;
dout("readpage inode %p file %p page %p index %lu\n",
inode, filp, page, page->index);
@@ -249,8 +249,11 @@
static int ceph_readpage(struct file *filp, struct page *page)
{
- int r = readpage_nounlock(filp, page);
- unlock_page(page);
+ int r = ceph_do_readpage(filp, page);
+ if (r != -EINPROGRESS)
+ unlock_page(page);
+ else
+ r = 0;
return r;
}
@@ -1237,7 +1240,7 @@
goto retry_locked;
r = writepage_nounlock(page, NULL);
if (r < 0)
- goto fail_nosnap;
+ goto fail_unlock;
goto retry_locked;
}
@@ -1265,11 +1268,14 @@
}
/* we need to read it. */
- r = readpage_nounlock(file, page);
- if (r < 0)
- goto fail_nosnap;
+ r = ceph_do_readpage(file, page);
+ if (r < 0) {
+ if (r == -EINPROGRESS)
+ return -EAGAIN;
+ goto fail_unlock;
+ }
goto retry_locked;
-fail_nosnap:
+fail_unlock:
unlock_page(page);
return r;
}
diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c
index fd11728..337f886 100644
--- a/fs/ceph/cache.c
+++ b/fs/ceph/cache.c
@@ -297,13 +297,7 @@
}
}
-static void ceph_vfs_readpage_complete(struct page *page, void *data, int error)
-{
- if (!error)
- SetPageUptodate(page);
-}
-
-static void ceph_vfs_readpage_complete_unlock(struct page *page, void *data, int error)
+static void ceph_readpage_from_fscache_complete(struct page *page, void *data, int error)
{
if (!error)
SetPageUptodate(page);
@@ -331,7 +325,7 @@
return -ENOBUFS;
ret = fscache_read_or_alloc_page(ci->fscache, page,
- ceph_vfs_readpage_complete, NULL,
+ ceph_readpage_from_fscache_complete, NULL,
GFP_KERNEL);
switch (ret) {
@@ -360,7 +354,7 @@
return -ENOBUFS;
ret = fscache_read_or_alloc_pages(ci->fscache, mapping, pages, nr_pages,
- ceph_vfs_readpage_complete_unlock,
+ ceph_readpage_from_fscache_complete,
NULL, mapping_gfp_mask(mapping));
switch (ret) {
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index e071d23..ef7240a 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -271,6 +271,11 @@
if (ret < 0)
err = ret;
dput(last);
+ /* last_name no longer match cache index */
+ if (fi->readdir_cache_idx >= 0) {
+ fi->readdir_cache_idx = -1;
+ fi->dir_release_count = 0;
+ }
}
return err;
}
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 59647eb..83a8f52 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1223,6 +1223,7 @@
char *tmp_end, *value;
char delim;
bool got_ip = false;
+ bool got_version = false;
unsigned short port = 0;
struct sockaddr *dstaddr = (struct sockaddr *)&vol->dstaddr;
@@ -1874,24 +1875,35 @@
pr_warn("CIFS: server netbiosname longer than 15 truncated.\n");
break;
case Opt_ver:
+ /* version of mount userspace tools, not dialect */
string = match_strdup(args);
if (string == NULL)
goto out_nomem;
+ /* If interface changes in mount.cifs bump to new ver */
if (strncasecmp(string, "1", 1) == 0) {
+ if (strlen(string) > 1) {
+ pr_warn("Bad mount helper ver=%s. Did "
+ "you want SMB1 (CIFS) dialect "
+ "and mean to type vers=1.0 "
+ "instead?\n", string);
+ goto cifs_parse_mount_err;
+ }
/* This is the default */
break;
}
/* For all other value, error */
- pr_warn("CIFS: Invalid version specified\n");
+ pr_warn("CIFS: Invalid mount helper version specified\n");
goto cifs_parse_mount_err;
case Opt_vers:
+ /* protocol version (dialect) */
string = match_strdup(args);
if (string == NULL)
goto out_nomem;
if (cifs_parse_smb_version(string, vol) != 0)
goto cifs_parse_mount_err;
+ got_version = true;
break;
case Opt_sec:
string = match_strdup(args);
@@ -1973,6 +1985,14 @@
else if (override_gid == 1)
pr_notice("CIFS: ignoring forcegid mount option specified with no gid= option.\n");
+ if (got_version == false)
+ pr_warn("No dialect specified on mount. Default has changed to "
+ "a more secure dialect, SMB3 (vers=3.0), from CIFS "
+ "(SMB1). To use the less secure SMB1 dialect to access "
+ "old servers which do not support SMB3 specify vers=1.0"
+ " on mount. For somewhat newer servers such as Windows "
+ "7 try vers=2.1.\n");
+
kfree(mountdata_copy);
return 0;
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 56366e9..e702d48 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -194,15 +194,20 @@
}
/*
+ * Don't allow path components longer than the server max.
* Don't allow the separator character in a path component.
* The VFS will not allow "/", but "\" is allowed by posix.
*/
static int
-check_name(struct dentry *direntry)
+check_name(struct dentry *direntry, struct cifs_tcon *tcon)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
int i;
+ if (unlikely(direntry->d_name.len >
+ le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength)))
+ return -ENAMETOOLONG;
+
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) {
for (i = 0; i < direntry->d_name.len; i++) {
if (direntry->d_name.name[i] == '\\') {
@@ -500,10 +505,6 @@
return finish_no_open(file, res);
}
- rc = check_name(direntry);
- if (rc)
- return rc;
-
xid = get_xid();
cifs_dbg(FYI, "parent inode = 0x%p name is: %pd and dentry = 0x%p\n",
@@ -516,6 +517,11 @@
}
tcon = tlink_tcon(tlink);
+
+ rc = check_name(direntry, tcon);
+ if (rc)
+ goto out_free_xid;
+
server = tcon->ses->server;
if (server->ops->new_lease_key)
@@ -776,7 +782,7 @@
}
pTcon = tlink_tcon(tlink);
- rc = check_name(direntry);
+ rc = check_name(direntry, pTcon);
if (rc)
goto lookup_out;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 5fb2fc2..7aa6720 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -514,7 +514,12 @@
* No tcon so can't do
* cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[SMB2...]);
*/
- if (rc != 0)
+ if (rc == -EOPNOTSUPP) {
+ cifs_dbg(VFS, "Dialect not supported by server. Consider "
+ "specifying vers=1.0 or vers=2.1 on mount for accessing"
+ " older servers\n");
+ goto neg_exit;
+ } else if (rc != 0)
goto neg_exit;
cifs_dbg(FYI, "mode 0x%x\n", rsp->SecurityMode);
@@ -3219,8 +3224,8 @@
kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) *
le32_to_cpu(pfs_inf->SectorsPerAllocationUnit);
kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits);
- kst->f_bfree = le64_to_cpu(pfs_inf->ActualAvailableAllocationUnits);
- kst->f_bavail = le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
+ kst->f_bfree = kst->f_bavail =
+ le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
return;
}
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 18700fd..2826882 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -84,8 +84,8 @@
#define NUMBER_OF_SMB2_COMMANDS 0x0013
-/* BB FIXME - analyze following length BB */
-#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
+/* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */
+#define MAX_SMB2_HDR_SIZE 0x00b0
#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
diff --git a/fs/dax.c b/fs/dax.c
index 306c2b6..ab925dc 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -646,11 +646,10 @@
pte_t pte, *ptep = NULL;
pmd_t *pmdp = NULL;
spinlock_t *ptl;
- bool changed;
i_mmap_lock_read(mapping);
vma_interval_tree_foreach(vma, &mapping->i_mmap, index, index) {
- unsigned long address;
+ unsigned long address, start, end;
cond_resched();
@@ -658,8 +657,13 @@
continue;
address = pgoff_address(index, vma);
- changed = false;
- if (follow_pte_pmd(vma->vm_mm, address, &ptep, &pmdp, &ptl))
+
+ /*
+ * Note because we provide start/end to follow_pte_pmd it will
+ * call mmu_notifier_invalidate_range_start() on our behalf
+ * before taking any lock.
+ */
+ if (follow_pte_pmd(vma->vm_mm, address, &start, &end, &ptep, &pmdp, &ptl))
continue;
if (pmdp) {
@@ -676,7 +680,7 @@
pmd = pmd_wrprotect(pmd);
pmd = pmd_mkclean(pmd);
set_pmd_at(vma->vm_mm, address, pmdp, pmd);
- changed = true;
+ mmu_notifier_invalidate_range(vma->vm_mm, start, end);
unlock_pmd:
spin_unlock(ptl);
#endif
@@ -691,13 +695,12 @@
pte = pte_wrprotect(pte);
pte = pte_mkclean(pte);
set_pte_at(vma->vm_mm, address, ptep, pte);
- changed = true;
+ mmu_notifier_invalidate_range(vma->vm_mm, start, end);
unlock_pte:
pte_unmap_unlock(ptep, ptl);
}
- if (changed)
- mmu_notifier_invalidate_page(vma->vm_mm, address);
+ mmu_notifier_invalidate_range_end(vma->vm_mm, start, end);
}
i_mmap_unlock_read(mapping);
}
@@ -1383,6 +1386,16 @@
trace_dax_pmd_fault(inode, vmf, max_pgoff, 0);
+ /*
+ * Make sure that the faulting address's PMD offset (color) matches
+ * the PMD offset from the start of the file. This is necessary so
+ * that a PMD range in the page table overlaps exactly with a PMD
+ * range in the radix tree.
+ */
+ if ((vmf->pgoff & PG_PMD_COLOUR) !=
+ ((vmf->address >> PAGE_SHIFT) & PG_PMD_COLOUR))
+ goto fallback;
+
/* Fall back to PTEs if we're going to COW */
if (write && !(vma->vm_flags & VM_SHARED))
goto fallback;
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 108df2e..7eae33f 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -133,6 +133,50 @@
return sb->s_fs_info;
}
+static int devpts_ptmx_path(struct path *path)
+{
+ struct super_block *sb;
+ int err;
+
+ /* Has the devpts filesystem already been found? */
+ if (path->mnt->mnt_sb->s_magic == DEVPTS_SUPER_MAGIC)
+ return 0;
+
+ /* Is a devpts filesystem at "pts" in the same directory? */
+ err = path_pts(path);
+ if (err)
+ return err;
+
+ /* Is the path the root of a devpts filesystem? */
+ sb = path->mnt->mnt_sb;
+ if ((sb->s_magic != DEVPTS_SUPER_MAGIC) ||
+ (path->mnt->mnt_root != sb->s_root))
+ return -ENODEV;
+
+ return 0;
+}
+
+struct vfsmount *devpts_mntget(struct file *filp, struct pts_fs_info *fsi)
+{
+ struct path path;
+ int err;
+
+ path = filp->f_path;
+ path_get(&path);
+
+ err = devpts_ptmx_path(&path);
+ dput(path.dentry);
+ if (err) {
+ mntput(path.mnt);
+ path.mnt = ERR_PTR(err);
+ }
+ if (DEVPTS_SB(path.mnt->mnt_sb) != fsi) {
+ mntput(path.mnt);
+ path.mnt = ERR_PTR(-ENODEV);
+ }
+ return path.mnt;
+}
+
struct pts_fs_info *devpts_acquire(struct file *filp)
{
struct pts_fs_info *result;
@@ -143,27 +187,16 @@
path = filp->f_path;
path_get(&path);
- /* Has the devpts filesystem already been found? */
- sb = path.mnt->mnt_sb;
- if (sb->s_magic != DEVPTS_SUPER_MAGIC) {
- /* Is a devpts filesystem at "pts" in the same directory? */
- err = path_pts(&path);
- if (err) {
- result = ERR_PTR(err);
- goto out;
- }
-
- /* Is the path the root of a devpts filesystem? */
- result = ERR_PTR(-ENODEV);
- sb = path.mnt->mnt_sb;
- if ((sb->s_magic != DEVPTS_SUPER_MAGIC) ||
- (path.mnt->mnt_root != sb->s_root))
- goto out;
+ err = devpts_ptmx_path(&path);
+ if (err) {
+ result = ERR_PTR(err);
+ goto out;
}
/*
* pty code needs to hold extra references in case of last /dev/tty close
*/
+ sb = path.mnt->mnt_sb;
atomic_inc(&sb->s_active);
result = DEVPTS_SB(sb);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index e767e43..adbe328 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -600,8 +600,13 @@
wait_queue_head_t *whead;
rcu_read_lock();
- /* If it is cleared by POLLFREE, it should be rcu-safe */
- whead = rcu_dereference(pwq->whead);
+ /*
+ * If it is cleared by POLLFREE, it should be rcu-safe.
+ * If we read NULL we need a barrier paired with
+ * smp_store_release() in ep_poll_callback(), otherwise
+ * we rely on whead->lock.
+ */
+ whead = smp_load_acquire(&pwq->whead);
if (whead)
remove_wait_queue(whead, &pwq->wait);
rcu_read_unlock();
@@ -1134,17 +1139,6 @@
struct eventpoll *ep = epi->ep;
int ewake = 0;
- if ((unsigned long)key & POLLFREE) {
- ep_pwq_from_wait(wait)->whead = NULL;
- /*
- * whead = NULL above can race with ep_remove_wait_queue()
- * which can do another remove_wait_queue() after us, so we
- * can't use __remove_wait_queue(). whead->lock is held by
- * the caller.
- */
- list_del_init(&wait->entry);
- }
-
spin_lock_irqsave(&ep->lock, flags);
ep_set_busy_poll_napi_id(epi);
@@ -1228,10 +1222,26 @@
if (pwake)
ep_poll_safewake(&ep->poll_wait);
- if (epi->event.events & EPOLLEXCLUSIVE)
- return ewake;
+ if (!(epi->event.events & EPOLLEXCLUSIVE))
+ ewake = 1;
- return 1;
+ if ((unsigned long)key & POLLFREE) {
+ /*
+ * If we race with ep_remove_wait_queue() it can miss
+ * ->whead = NULL and do another remove_wait_queue() after
+ * us, so we can't use __remove_wait_queue().
+ */
+ list_del_init(&wait->entry);
+ /*
+ * ->whead != NULL protects us from the race with ep_free()
+ * or ep_remove(), ep_remove_wait_queue() takes whead->lock
+ * held by the caller. Once we nullify it, nothing protects
+ * ep/epi or even wait.
+ */
+ smp_store_release(&ep_pwq_from_wait(wait)->whead, NULL);
+ }
+
+ return ewake;
}
/*
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 79dafa7..51f0aea 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -175,11 +175,8 @@
return acl;
}
-/*
- * inode->i_mutex: down
- */
-int
-ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+static int
+__ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int name_index;
void *value = NULL;
@@ -189,13 +186,6 @@
switch(type) {
case ACL_TYPE_ACCESS:
name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
- error = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (error)
- return error;
- inode->i_ctime = current_time(inode);
- mark_inode_dirty(inode);
- }
break;
case ACL_TYPE_DEFAULT:
@@ -222,6 +212,31 @@
}
/*
+ * inode->i_mutex: down
+ */
+int
+ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+ int error;
+ int update_mode = 0;
+ umode_t mode = inode->i_mode;
+
+ if (type == ACL_TYPE_ACCESS && acl) {
+ error = posix_acl_update_mode(inode, &mode, &acl);
+ if (error)
+ return error;
+ update_mode = 1;
+ }
+ error = __ext2_set_acl(inode, acl, type);
+ if (!error && update_mode) {
+ inode->i_mode = mode;
+ inode->i_ctime = current_time(inode);
+ mark_inode_dirty(inode);
+ }
+ return error;
+}
+
+/*
* Initialize the ACLs of a new inode. Called from ext2_new_inode.
*
* dir->i_mutex: down
@@ -238,12 +253,12 @@
return error;
if (default_acl) {
- error = ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+ error = __ext2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
posix_acl_release(default_acl);
}
if (acl) {
if (!error)
- error = ext2_set_acl(inode, acl, ACL_TYPE_ACCESS);
+ error = __ext2_set_acl(inode, acl, ACL_TYPE_ACCESS);
posix_acl_release(acl);
}
return error;
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 09441ae..46ff222 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -193,13 +193,6 @@
switch (type) {
case ACL_TYPE_ACCESS:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
- error = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (error)
- return error;
- inode->i_ctime = current_time(inode);
- ext4_mark_inode_dirty(handle, inode);
- }
break;
case ACL_TYPE_DEFAULT:
@@ -221,8 +214,9 @@
value, size, xattr_flags);
kfree(value);
- if (!error)
+ if (!error) {
set_cached_acl(inode, type, acl);
+ }
return error;
}
@@ -233,6 +227,8 @@
handle_t *handle;
int error, credits, retries = 0;
size_t acl_size = acl ? ext4_acl_size(acl->a_count) : 0;
+ umode_t mode = inode->i_mode;
+ int update_mode = 0;
error = dquot_initialize(inode);
if (error)
@@ -247,7 +243,20 @@
if (IS_ERR(handle))
return PTR_ERR(handle);
+ if ((type == ACL_TYPE_ACCESS) && acl) {
+ error = posix_acl_update_mode(inode, &mode, &acl);
+ if (error)
+ goto out_stop;
+ update_mode = 1;
+ }
+
error = __ext4_set_acl(handle, inode, type, acl, 0 /* xattr_flags */);
+ if (!error && update_mode) {
+ inode->i_mode = mode;
+ inode->i_ctime = current_time(inode);
+ ext4_mark_inode_dirty(handle, inode);
+ }
+out_stop:
ext4_journal_stop(handle);
if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
goto retry;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9ebde0c..a2bb7d2 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -961,7 +961,7 @@
/*
* i_block_group is the number of the block group which contains
* this file's inode. Constant across the lifetime of the inode,
- * it is ued for making block allocation decisions - we try to
+ * it is used for making block allocation decisions - we try to
* place a file's data blocks near its inode block, and new inodes
* near to their parent directory's inode.
*/
@@ -1049,10 +1049,8 @@
ext4_group_t i_last_alloc_group;
/* allocation reservation info for delalloc */
- /* In case of bigalloc, these refer to clusters rather than blocks */
+ /* In case of bigalloc, this refer to clusters rather than blocks */
unsigned int i_reserved_data_blocks;
- unsigned int i_reserved_meta_blocks;
- unsigned int i_allocated_meta_blocks;
ext4_lblk_t i_da_metadata_calc_last_lblock;
int i_da_metadata_calc_len;
@@ -2022,7 +2020,8 @@
#define is_dx(dir) (ext4_has_feature_dir_index((dir)->i_sb) && \
ext4_test_inode_flag((dir), EXT4_INODE_INDEX))
-#define EXT4_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX)
+#define EXT4_DIR_LINK_MAX(dir) unlikely((dir)->i_nlink >= EXT4_LINK_MAX && \
+ !(ext4_has_feature_dir_nlink((dir)->i_sb) && is_dx(dir)))
#define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1)
/* Legal values for the dx_root hash_version field: */
@@ -2462,6 +2461,8 @@
int ext4_inode_is_fast_symlink(struct inode *inode);
struct buffer_head *ext4_getblk(handle_t *, struct inode *, ext4_lblk_t, int);
struct buffer_head *ext4_bread(handle_t *, struct inode *, ext4_lblk_t, int);
+int ext4_bread_batch(struct inode *inode, ext4_lblk_t block, int bh_count,
+ bool wait, struct buffer_head **bhs);
int ext4_get_block_unwritten(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create);
int ext4_get_block(struct inode *inode, sector_t iblock,
@@ -3074,7 +3075,7 @@
struct inode *inode,
struct buffer_head *bh);
#define S_SHIFT 12
-static const unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = {
+static const unsigned char ext4_type_by_mode[(S_IFMT >> S_SHIFT) + 1] = {
[S_IFREG >> S_SHIFT] = EXT4_FT_REG_FILE,
[S_IFDIR >> S_SHIFT] = EXT4_FT_DIR,
[S_IFCHR >> S_SHIFT] = EXT4_FT_CHRDEV,
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index dabad1b..48143e3 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -227,6 +227,9 @@
int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode);
+int ext4_expand_extra_isize(struct inode *inode,
+ unsigned int new_extra_isize,
+ struct ext4_iloc *iloc);
/*
* Wrapper functions with which ext4 calls into JBD.
*/
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index e0a8425..97f0fd0 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4652,7 +4652,7 @@
static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
ext4_lblk_t len, loff_t new_size,
- int flags, int mode)
+ int flags)
{
struct inode *inode = file_inode(file);
handle_t *handle;
@@ -4815,7 +4815,7 @@
round_down(offset, 1 << blkbits) >> blkbits,
(round_up((offset + len), 1 << blkbits) -
round_down(offset, 1 << blkbits)) >> blkbits,
- new_size, flags, mode);
+ new_size, flags);
if (ret)
goto out_dio;
@@ -4841,7 +4841,7 @@
inode->i_mtime = inode->i_ctime = current_time(inode);
ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
- flags, mode);
+ flags);
up_write(&EXT4_I(inode)->i_mmap_sem);
if (ret)
goto out_dio;
@@ -4976,8 +4976,7 @@
ext4_inode_block_unlocked_dio(inode);
inode_dio_wait(inode);
- ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
- flags, mode);
+ ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags);
ext4_inode_resume_unlocked_dio(inode);
if (ret)
goto out;
@@ -5837,7 +5836,7 @@
if (e1_blk > lblk1)
next1 = e1_blk;
if (e2_blk > lblk2)
- next2 = e1_blk;
+ next2 = e2_blk;
/* Do we have something to swap */
if (next1 == EXT_MAX_BLOCKS || next2 == EXT_MAX_BLOCKS)
goto finish;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 58294c9..0d7cf0c 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -537,6 +537,8 @@
lastoff = page_offset(page);
bh = head = page_buffers(page);
do {
+ if (lastoff + bh->b_size <= startoff)
+ goto next;
if (buffer_uptodate(bh) ||
buffer_unwritten(bh)) {
if (whence == SEEK_DATA)
@@ -551,6 +553,7 @@
unlock_page(page);
goto out;
}
+next:
lastoff += bh->b_size;
bh = bh->b_this_page;
} while (bh != head);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3c600f0..c774bdc 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -892,7 +892,7 @@
/*
* Get block function for non-AIO DIO writes when we create unwritten extent if
* blocks are not allocated yet. The extent will be converted to written
- * after IO is complete from ext4_ext_direct_IO() function.
+ * after IO is complete by ext4_direct_IO_write().
*/
static int ext4_dio_get_block_unwritten_sync(struct inode *inode,
sector_t iblock, struct buffer_head *bh_result, int create)
@@ -907,7 +907,7 @@
/*
* Mark inode as having pending DIO writes to unwritten extents.
- * ext4_ext_direct_IO() checks this flag and converts extents to
+ * ext4_direct_IO_write() checks this flag and converts extents to
* written.
*/
if (!ret && buffer_unwritten(bh_result))
@@ -1015,6 +1015,50 @@
return ERR_PTR(-EIO);
}
+/* Read a contiguous batch of blocks. */
+int ext4_bread_batch(struct inode *inode, ext4_lblk_t block, int bh_count,
+ bool wait, struct buffer_head **bhs)
+{
+ int i, err;
+
+ for (i = 0; i < bh_count; i++) {
+ bhs[i] = ext4_getblk(NULL, inode, block + i, 0 /* map_flags */);
+ if (IS_ERR(bhs[i])) {
+ err = PTR_ERR(bhs[i]);
+ bh_count = i;
+ goto out_brelse;
+ }
+ }
+
+ for (i = 0; i < bh_count; i++)
+ /* Note that NULL bhs[i] is valid because of holes. */
+ if (bhs[i] && !buffer_uptodate(bhs[i]))
+ ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1,
+ &bhs[i]);
+
+ if (!wait)
+ return 0;
+
+ for (i = 0; i < bh_count; i++)
+ if (bhs[i])
+ wait_on_buffer(bhs[i]);
+
+ for (i = 0; i < bh_count; i++) {
+ if (bhs[i] && !buffer_uptodate(bhs[i])) {
+ err = -EIO;
+ goto out_brelse;
+ }
+ }
+ return 0;
+
+out_brelse:
+ for (i = 0; i < bh_count; i++) {
+ brelse(bhs[i]);
+ bhs[i] = NULL;
+ }
+ return err;
+}
+
int ext4_walk_page_buffers(handle_t *handle,
struct buffer_head *head,
unsigned from,
@@ -5658,22 +5702,16 @@
return err;
}
-/*
- * Expand an inode by new_extra_isize bytes.
- * Returns 0 on success or negative error number on failure.
- */
-static int ext4_expand_extra_isize(struct inode *inode,
- unsigned int new_extra_isize,
- struct ext4_iloc iloc,
- handle_t *handle)
+static int __ext4_expand_extra_isize(struct inode *inode,
+ unsigned int new_extra_isize,
+ struct ext4_iloc *iloc,
+ handle_t *handle, int *no_expand)
{
struct ext4_inode *raw_inode;
struct ext4_xattr_ibody_header *header;
+ int error;
- if (EXT4_I(inode)->i_extra_isize >= new_extra_isize)
- return 0;
-
- raw_inode = ext4_raw_inode(&iloc);
+ raw_inode = ext4_raw_inode(iloc);
header = IHDR(inode, raw_inode);
@@ -5688,8 +5726,98 @@
}
/* try to expand with EAs present */
- return ext4_expand_extra_isize_ea(inode, new_extra_isize,
- raw_inode, handle);
+ error = ext4_expand_extra_isize_ea(inode, new_extra_isize,
+ raw_inode, handle);
+ if (error) {
+ /*
+ * Inode size expansion failed; don't try again
+ */
+ *no_expand = 1;
+ }
+
+ return error;
+}
+
+/*
+ * Expand an inode by new_extra_isize bytes.
+ * Returns 0 on success or negative error number on failure.
+ */
+static int ext4_try_to_expand_extra_isize(struct inode *inode,
+ unsigned int new_extra_isize,
+ struct ext4_iloc iloc,
+ handle_t *handle)
+{
+ int no_expand;
+ int error;
+
+ if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND))
+ return -EOVERFLOW;
+
+ /*
+ * In nojournal mode, we can immediately attempt to expand
+ * the inode. When journaled, we first need to obtain extra
+ * buffer credits since we may write into the EA block
+ * with this same handle. If journal_extend fails, then it will
+ * only result in a minor loss of functionality for that inode.
+ * If this is felt to be critical, then e2fsck should be run to
+ * force a large enough s_min_extra_isize.
+ */
+ if (ext4_handle_valid(handle) &&
+ jbd2_journal_extend(handle,
+ EXT4_DATA_TRANS_BLOCKS(inode->i_sb)) != 0)
+ return -ENOSPC;
+
+ if (ext4_write_trylock_xattr(inode, &no_expand) == 0)
+ return -EBUSY;
+
+ error = __ext4_expand_extra_isize(inode, new_extra_isize, &iloc,
+ handle, &no_expand);
+ ext4_write_unlock_xattr(inode, &no_expand);
+
+ return error;
+}
+
+int ext4_expand_extra_isize(struct inode *inode,
+ unsigned int new_extra_isize,
+ struct ext4_iloc *iloc)
+{
+ handle_t *handle;
+ int no_expand;
+ int error, rc;
+
+ if (ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) {
+ brelse(iloc->bh);
+ return -EOVERFLOW;
+ }
+
+ handle = ext4_journal_start(inode, EXT4_HT_INODE,
+ EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+ if (IS_ERR(handle)) {
+ error = PTR_ERR(handle);
+ brelse(iloc->bh);
+ return error;
+ }
+
+ ext4_write_lock_xattr(inode, &no_expand);
+
+ BUFFER_TRACE(iloc.bh, "get_write_access");
+ error = ext4_journal_get_write_access(handle, iloc->bh);
+ if (error) {
+ brelse(iloc->bh);
+ goto out_stop;
+ }
+
+ error = __ext4_expand_extra_isize(inode, new_extra_isize, iloc,
+ handle, &no_expand);
+
+ rc = ext4_mark_iloc_dirty(handle, inode, iloc);
+ if (!error)
+ error = rc;
+
+ ext4_write_unlock_xattr(inode, &no_expand);
+out_stop:
+ ext4_journal_stop(handle);
+ return error;
}
/*
@@ -5709,44 +5837,18 @@
{
struct ext4_iloc iloc;
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
- static unsigned int mnt_count;
- int err, ret;
+ int err;
might_sleep();
trace_ext4_mark_inode_dirty(inode, _RET_IP_);
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
return err;
- if (EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
- !ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) {
- /*
- * In nojournal mode, we can immediately attempt to expand
- * the inode. When journaled, we first need to obtain extra
- * buffer credits since we may write into the EA block
- * with this same handle. If journal_extend fails, then it will
- * only result in a minor loss of functionality for that inode.
- * If this is felt to be critical, then e2fsck should be run to
- * force a large enough s_min_extra_isize.
- */
- if (!ext4_handle_valid(handle) ||
- jbd2_journal_extend(handle,
- EXT4_DATA_TRANS_BLOCKS(inode->i_sb)) == 0) {
- ret = ext4_expand_extra_isize(inode,
- sbi->s_want_extra_isize,
- iloc, handle);
- if (ret) {
- if (mnt_count !=
- le16_to_cpu(sbi->s_es->s_mnt_count)) {
- ext4_warning(inode->i_sb,
- "Unable to expand inode %lu. Delete"
- " some EAs or run e2fsck.",
- inode->i_ino);
- mnt_count =
- le16_to_cpu(sbi->s_es->s_mnt_count);
- }
- }
- }
- }
+
+ if (EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize)
+ ext4_try_to_expand_extra_isize(inode, sbi->s_want_extra_isize,
+ iloc, handle);
+
return ext4_mark_iloc_dirty(handle, inode, &iloc);
}
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 42b3a73..afb66d4 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -64,18 +64,16 @@
ei1 = EXT4_I(inode1);
ei2 = EXT4_I(inode2);
- memswap(&inode1->i_flags, &inode2->i_flags, sizeof(inode1->i_flags));
- memswap(&inode1->i_version, &inode2->i_version,
- sizeof(inode1->i_version));
- memswap(&inode1->i_blocks, &inode2->i_blocks,
- sizeof(inode1->i_blocks));
- memswap(&inode1->i_bytes, &inode2->i_bytes, sizeof(inode1->i_bytes));
- memswap(&inode1->i_atime, &inode2->i_atime, sizeof(inode1->i_atime));
- memswap(&inode1->i_mtime, &inode2->i_mtime, sizeof(inode1->i_mtime));
+ swap(inode1->i_flags, inode2->i_flags);
+ swap(inode1->i_version, inode2->i_version);
+ swap(inode1->i_blocks, inode2->i_blocks);
+ swap(inode1->i_bytes, inode2->i_bytes);
+ swap(inode1->i_atime, inode2->i_atime);
+ swap(inode1->i_mtime, inode2->i_mtime);
memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data));
- memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags));
- memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize));
+ swap(ei1->i_flags, ei2->i_flags);
+ swap(ei1->i_disksize, ei2->i_disksize);
ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
@@ -351,11 +349,14 @@
raw_inode = ext4_raw_inode(&iloc);
if (!EXT4_FITS_IN_INODE(raw_inode, ei, i_projid)) {
- err = -EOVERFLOW;
+ err = ext4_expand_extra_isize(inode,
+ EXT4_SB(sb)->s_want_extra_isize,
+ &iloc);
+ if (err)
+ goto out_unlock;
+ } else {
brelse(iloc.bh);
- goto out_unlock;
}
- brelse(iloc.bh);
dquot_initialize(inode);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 581e357..7010856 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2295,6 +2295,9 @@
int err, buddy_loaded = 0;
struct ext4_buddy e4b;
struct ext4_group_info *grinfo;
+ unsigned char blocksize_bits = min_t(unsigned char,
+ sb->s_blocksize_bits,
+ EXT4_MAX_BLOCK_LOG_SIZE);
struct sg {
struct ext4_group_info info;
ext4_grpblk_t counters[EXT4_MAX_BLOCK_LOG_SIZE + 2];
@@ -2306,8 +2309,9 @@
" 2^0 2^1 2^2 2^3 2^4 2^5 2^6 "
" 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]\n");
- i = (sb->s_blocksize_bits + 2) * sizeof(sg.info.bb_counters[0]) +
+ i = (blocksize_bits + 2) * sizeof(sg.info.bb_counters[0]) +
sizeof(struct ext4_group_info);
+
grinfo = ext4_get_group_info(sb, group);
/* Load the group info in memory only if not already loaded. */
if (unlikely(EXT4_MB_GRP_NEED_INIT(grinfo))) {
@@ -2327,7 +2331,7 @@
seq_printf(seq, "#%-5u: %-5u %-5u %-5u [", group, sg.info.bb_free,
sg.info.bb_fragments, sg.info.bb_first_free);
for (i = 0; i <= 13; i++)
- seq_printf(seq, " %-5u", i <= sb->s_blocksize_bits + 1 ?
+ seq_printf(seq, " %-5u", i <= blocksize_bits + 1 ?
sg.info.bb_counters[i] : 0);
seq_printf(seq, " ]\n");
@@ -2892,8 +2896,10 @@
break;
}
- if (discard_bio)
+ if (discard_bio) {
submit_bio_wait(discard_bio);
+ bio_put(discard_bio);
+ }
}
list_for_each_entry_safe(entry, tmp, &freed_data_list, efd_list)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 13f0cad..c1cf020 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1342,13 +1342,12 @@
struct super_block *sb;
struct buffer_head *bh_use[NAMEI_RA_SIZE];
struct buffer_head *bh, *ret = NULL;
- ext4_lblk_t start, block, b;
+ ext4_lblk_t start, block;
const u8 *name = d_name->name;
- int ra_max = 0; /* Number of bh's in the readahead
+ size_t ra_max = 0; /* Number of bh's in the readahead
buffer, bh_use[] */
- int ra_ptr = 0; /* Current index into readahead
+ size_t ra_ptr = 0; /* Current index into readahead
buffer */
- int num = 0;
ext4_lblk_t nblocks;
int i, namelen, retval;
struct ext4_filename fname;
@@ -1411,31 +1410,17 @@
if (ra_ptr >= ra_max) {
/* Refill the readahead buffer */
ra_ptr = 0;
- b = block;
- for (ra_max = 0; ra_max < NAMEI_RA_SIZE; ra_max++) {
- /*
- * Terminate if we reach the end of the
- * directory and must wrap, or if our
- * search has finished at this block.
- */
- if (b >= nblocks || (num && block == start)) {
- bh_use[ra_max] = NULL;
- break;
- }
- num++;
- bh = ext4_getblk(NULL, dir, b++, 0);
- if (IS_ERR(bh)) {
- if (ra_max == 0) {
- ret = bh;
- goto cleanup_and_exit;
- }
- break;
- }
- bh_use[ra_max] = bh;
- if (bh)
- ll_rw_block(REQ_OP_READ,
- REQ_META | REQ_PRIO,
- 1, &bh);
+ if (block < start)
+ ra_max = start - block;
+ else
+ ra_max = nblocks - block;
+ ra_max = min(ra_max, ARRAY_SIZE(bh_use));
+ retval = ext4_bread_batch(dir, block, ra_max,
+ false /* wait */, bh_use);
+ if (retval) {
+ ret = ERR_PTR(retval);
+ ra_max = 0;
+ goto cleanup_and_exit;
}
}
if ((bh = bh_use[ra_ptr++]) == NULL)
@@ -2395,19 +2380,22 @@
}
/*
- * DIR_NLINK feature is set if 1) nlinks > EXT4_LINK_MAX or 2) nlinks == 2,
- * since this indicates that nlinks count was previously 1.
+ * Set directory link count to 1 if nlinks > EXT4_LINK_MAX, or if nlinks == 2
+ * since this indicates that nlinks count was previously 1 to avoid overflowing
+ * the 16-bit i_links_count field on disk. Directories with i_nlink == 1 mean
+ * that subdirectory link counts are not being maintained accurately.
+ *
+ * The caller has already checked for i_nlink overflow in case the DIR_LINK
+ * feature is not enabled and returned -EMLINK. The is_dx() check is a proxy
+ * for checking S_ISDIR(inode) (since the INODE_INDEX feature will not be set
+ * on regular files) and to avoid creating huge/slow non-HTREE directories.
*/
static void ext4_inc_count(handle_t *handle, struct inode *inode)
{
inc_nlink(inode);
- if (is_dx(inode) && inode->i_nlink > 1) {
- /* limit is 16-bit i_links_count */
- if (inode->i_nlink >= EXT4_LINK_MAX || inode->i_nlink == 2) {
- set_nlink(inode, 1);
- ext4_set_feature_dir_nlink(inode->i_sb);
- }
- }
+ if (is_dx(inode) &&
+ (inode->i_nlink > EXT4_LINK_MAX || inode->i_nlink == 2))
+ set_nlink(inode, 1);
}
/*
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index c3ed902..035cd3f 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1927,7 +1927,8 @@
n_desc_blocks = o_desc_blocks +
le16_to_cpu(es->s_reserved_gdt_blocks);
n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
- n_blocks_count = n_group * EXT4_BLOCKS_PER_GROUP(sb);
+ n_blocks_count = (ext4_fsblk_t)n_group *
+ EXT4_BLOCKS_PER_GROUP(sb);
n_group--; /* set to last group number */
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0886fe8..d61a70e2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -978,8 +978,6 @@
ei->i_es_shk_nr = 0;
ei->i_es_shrink_lblk = 0;
ei->i_reserved_data_blocks = 0;
- ei->i_reserved_meta_blocks = 0;
- ei->i_allocated_meta_blocks = 0;
ei->i_da_metadata_calc_len = 0;
ei->i_da_metadata_calc_last_lblock = 0;
spin_lock_init(&(ei->i_block_reservation_lock));
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index cff4f41..3dd9701 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -317,28 +317,41 @@
*/
static int ext4_xattr_inode_read(struct inode *ea_inode, void *buf, size_t size)
{
- unsigned long block = 0;
- struct buffer_head *bh;
- int blocksize = ea_inode->i_sb->s_blocksize;
- size_t csize, copied = 0;
- void *copy_pos = buf;
+ int blocksize = 1 << ea_inode->i_blkbits;
+ int bh_count = (size + blocksize - 1) >> ea_inode->i_blkbits;
+ int tail_size = (size % blocksize) ?: blocksize;
+ struct buffer_head *bhs_inline[8];
+ struct buffer_head **bhs = bhs_inline;
+ int i, ret;
- while (copied < size) {
- csize = (size - copied) > blocksize ? blocksize : size - copied;
- bh = ext4_bread(NULL, ea_inode, block, 0);
- if (IS_ERR(bh))
- return PTR_ERR(bh);
- if (!bh)
- return -EFSCORRUPTED;
-
- memcpy(copy_pos, bh->b_data, csize);
- brelse(bh);
-
- copy_pos += csize;
- block += 1;
- copied += csize;
+ if (bh_count > ARRAY_SIZE(bhs_inline)) {
+ bhs = kmalloc_array(bh_count, sizeof(*bhs), GFP_NOFS);
+ if (!bhs)
+ return -ENOMEM;
}
- return 0;
+
+ ret = ext4_bread_batch(ea_inode, 0 /* block */, bh_count,
+ true /* wait */, bhs);
+ if (ret)
+ goto free_bhs;
+
+ for (i = 0; i < bh_count; i++) {
+ /* There shouldn't be any holes in ea_inode. */
+ if (!bhs[i]) {
+ ret = -EFSCORRUPTED;
+ goto put_bhs;
+ }
+ memcpy((char *)buf + blocksize * i, bhs[i]->b_data,
+ i < bh_count - 1 ? blocksize : tail_size);
+ }
+ ret = 0;
+put_bhs:
+ for (i = 0; i < bh_count; i++)
+ brelse(bhs[i]);
+free_bhs:
+ if (bhs != bhs_inline)
+ kfree(bhs);
+ return ret;
}
static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino,
@@ -451,6 +464,7 @@
}
/* Do not add ea_inode to the cache. */
ea_inode_cache = NULL;
+ err = 0;
} else if (err)
goto out;
@@ -1529,7 +1543,7 @@
/* Clear padding bytes. */
memset(val + i->value_len, 0, new_size - i->value_len);
}
- return 0;
+ goto update_hash;
}
/* Compute min_offs and last. */
@@ -1693,6 +1707,7 @@
here->e_value_size = cpu_to_le32(i->value_len);
}
+update_hash:
if (i->value) {
__le32 hash = 0;
@@ -1711,7 +1726,8 @@
here->e_name_len,
&crc32c_hash, 1);
} else if (is_block) {
- __le32 *value = s->base + min_offs - new_size;
+ __le32 *value = s->base + le16_to_cpu(
+ here->e_value_offs);
hash = ext4_xattr_hash_entry(here->e_name,
here->e_name_len, value,
@@ -1815,9 +1831,6 @@
ea_bdebug(bs->bh, "modifying in-place");
error = ext4_xattr_set_entry(i, s, handle, inode,
true /* is_block */);
- if (!error)
- ext4_xattr_block_cache_insert(ea_block_cache,
- bs->bh);
ext4_xattr_block_csum_set(inode, bs->bh);
unlock_buffer(bs->bh);
if (error == -EFSCORRUPTED)
@@ -1973,6 +1986,7 @@
} else if (bs->bh && s->base == bs->bh->b_data) {
/* We were modifying this block in-place. */
ea_bdebug(bs->bh, "keeping this block");
+ ext4_xattr_block_cache_insert(ea_block_cache, bs->bh);
new_bh = bs->bh;
get_bh(new_bh);
} else {
@@ -2625,23 +2639,21 @@
struct ext4_inode *raw_inode, handle_t *handle)
{
struct ext4_xattr_ibody_header *header;
- struct buffer_head *bh = NULL;
+ struct buffer_head *bh;
+ struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
+ static unsigned int mnt_count;
size_t min_offs;
size_t ifree, bfree;
int total_ino;
void *base, *end;
int error = 0, tried_min_extra_isize = 0;
- int s_min_extra_isize = le16_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_min_extra_isize);
+ int s_min_extra_isize = le16_to_cpu(sbi->s_es->s_min_extra_isize);
int isize_diff; /* How much do we need to grow i_extra_isize */
- int no_expand;
-
- if (ext4_write_trylock_xattr(inode, &no_expand) == 0)
- return 0;
retry:
isize_diff = new_extra_isize - EXT4_I(inode)->i_extra_isize;
if (EXT4_I(inode)->i_extra_isize >= new_extra_isize)
- goto out;
+ return 0;
header = IHDR(inode, raw_inode);
@@ -2676,6 +2688,7 @@
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
error = -EFSCORRUPTED;
+ brelse(bh);
goto cleanup;
}
base = BHDR(bh);
@@ -2683,11 +2696,11 @@
min_offs = end - base;
bfree = ext4_xattr_free_space(BFIRST(bh), &min_offs, base,
NULL);
+ brelse(bh);
if (bfree + ifree < isize_diff) {
if (!tried_min_extra_isize && s_min_extra_isize) {
tried_min_extra_isize++;
new_extra_isize = s_min_extra_isize;
- brelse(bh);
goto retry;
}
error = -ENOSPC;
@@ -2705,7 +2718,6 @@
s_min_extra_isize) {
tried_min_extra_isize++;
new_extra_isize = s_min_extra_isize;
- brelse(bh);
goto retry;
}
goto cleanup;
@@ -2717,18 +2729,13 @@
EXT4_GOOD_OLD_INODE_SIZE + new_extra_isize,
(void *)header, total_ino);
EXT4_I(inode)->i_extra_isize = new_extra_isize;
- brelse(bh);
-out:
- ext4_write_unlock_xattr(inode, &no_expand);
- return 0;
cleanup:
- brelse(bh);
- /*
- * Inode size expansion failed; don't try again
- */
- no_expand = 1;
- ext4_write_unlock_xattr(inode, &no_expand);
+ if (error && (mnt_count != le16_to_cpu(sbi->s_es->s_mnt_count))) {
+ ext4_warning(inode->i_sb, "Unable to expand inode %lu. Delete some EAs or run e2fsck.",
+ inode->i_ino);
+ mnt_count = le16_to_cpu(sbi->s_es->s_mnt_count);
+ }
return error;
}
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index a140c5e..b4b8438 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -211,7 +211,7 @@
switch (type) {
case ACL_TYPE_ACCESS:
name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
+ if (acl && !ipage) {
error = posix_acl_update_mode(inode, &inode->i_mode, &acl);
if (error)
return error;
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 56bbf59..5b876f6 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -879,6 +879,7 @@
struct inode *inode;
struct f2fs_inode_info *fi;
bool is_dir = (type == DIR_INODE);
+ unsigned long ino = 0;
trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,
get_pages(sbi, is_dir ?
@@ -901,8 +902,17 @@
inode = igrab(&fi->vfs_inode);
spin_unlock(&sbi->inode_lock[type]);
if (inode) {
+ unsigned long cur_ino = inode->i_ino;
+
filemap_fdatawrite(inode->i_mapping);
iput(inode);
+ /* We need to give cpu to another writers. */
+ if (ino == cur_ino) {
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ cond_resched();
+ } else {
+ ino = cur_ino;
+ }
} else {
/*
* We should submit bio, since it exists several
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a0e6d2c..2706130 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1538,7 +1538,6 @@
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode)) {
- inode_unlock(inode);
ret = -EPERM;
goto unlock_out;
}
@@ -1549,9 +1548,8 @@
if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
if (!capable(CAP_LINUX_IMMUTABLE)) {
- inode_unlock(inode);
ret = -EPERM;
- goto out;
+ goto unlock_out;
}
}
@@ -1564,7 +1562,6 @@
f2fs_mark_inode_dirty_sync(inode, false);
unlock_out:
inode_unlock(inode);
-out:
mnt_drop_write_file(filp);
return ret;
}
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 9adc202..71191d8 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -11,6 +11,7 @@
*/
#include <linux/proc_fs.h>
#include <linux/f2fs_fs.h>
+#include <linux/seq_file.h>
#include "f2fs.h"
#include "segment.h"
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 3ee4fdc..ab60051 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -46,7 +46,7 @@
{
struct fuse_file *ff;
- ff = kmalloc(sizeof(struct fuse_file), GFP_KERNEL);
+ ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL);
if (unlikely(!ff))
return NULL;
@@ -609,7 +609,7 @@
struct fuse_io_priv *io = req->io;
ssize_t pos = -1;
- fuse_release_user_pages(req, !io->write);
+ fuse_release_user_pages(req, io->should_dirty);
if (io->write) {
if (req->misc.write.in.size != req->misc.write.out.size)
@@ -1316,7 +1316,6 @@
loff_t *ppos, int flags)
{
int write = flags & FUSE_DIO_WRITE;
- bool should_dirty = !write && iter_is_iovec(iter);
int cuse = flags & FUSE_DIO_CUSE;
struct file *file = io->file;
struct inode *inode = file->f_mapping->host;
@@ -1346,6 +1345,7 @@
inode_unlock(inode);
}
+ io->should_dirty = !write && iter_is_iovec(iter);
while (count) {
size_t nres;
fl_owner_t owner = current->files;
@@ -1360,7 +1360,7 @@
nres = fuse_send_read(req, io, pos, nbytes, owner);
if (!io->async)
- fuse_release_user_pages(req, should_dirty);
+ fuse_release_user_pages(req, io->should_dirty);
if (req->out.h.error) {
err = req->out.h.error;
break;
@@ -1669,6 +1669,7 @@
err_free:
fuse_request_free(req);
err:
+ mapping_set_error(page->mapping, error);
end_page_writeback(page);
return error;
}
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 1bd7ffd..bd4d2a3 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -249,6 +249,7 @@
size_t size;
__u64 offset;
bool write;
+ bool should_dirty;
int err;
struct kiocb *iocb;
struct file *file;
diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c
index 9b92058..6bb5d7c 100644
--- a/fs/hfsplus/posix_acl.c
+++ b/fs/hfsplus/posix_acl.c
@@ -51,8 +51,8 @@
return acl;
}
-int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl,
- int type)
+static int __hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl,
+ int type)
{
int err;
char *xattr_name;
@@ -64,12 +64,6 @@
switch (type) {
case ACL_TYPE_ACCESS:
xattr_name = XATTR_NAME_POSIX_ACL_ACCESS;
- if (acl) {
- err = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (err)
- return err;
- }
- err = 0;
break;
case ACL_TYPE_DEFAULT:
@@ -105,6 +99,18 @@
return err;
}
+int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+ int err;
+
+ if (type == ACL_TYPE_ACCESS && acl) {
+ err = posix_acl_update_mode(inode, &inode->i_mode, &acl);
+ if (err)
+ return err;
+ }
+ return __hfsplus_set_posix_acl(inode, acl, type);
+}
+
int hfsplus_init_posix_acl(struct inode *inode, struct inode *dir)
{
int err = 0;
@@ -122,15 +128,15 @@
return err;
if (default_acl) {
- err = hfsplus_set_posix_acl(inode, default_acl,
- ACL_TYPE_DEFAULT);
+ err = __hfsplus_set_posix_acl(inode, default_acl,
+ ACL_TYPE_DEFAULT);
posix_acl_release(default_acl);
}
if (acl) {
if (!err)
- err = hfsplus_set_posix_acl(inode, acl,
- ACL_TYPE_ACCESS);
+ err = __hfsplus_set_posix_acl(inode, acl,
+ ACL_TYPE_ACCESS);
posix_acl_release(acl);
}
return err;
diff --git a/fs/iomap.c b/fs/iomap.c
index 0392661..59cc98a 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -278,7 +278,7 @@
unsigned long bytes; /* Bytes to write to page */
offset = (pos & (PAGE_SIZE - 1));
- bytes = min_t(unsigned long, PAGE_SIZE - offset, length);
+ bytes = min_t(loff_t, PAGE_SIZE - offset, length);
rpage = __iomap_read_page(inode, pos);
if (IS_ERR(rpage))
@@ -373,7 +373,7 @@
unsigned offset, bytes;
offset = pos & (PAGE_SIZE - 1); /* Within page */
- bytes = min_t(unsigned, PAGE_SIZE - offset, count);
+ bytes = min_t(loff_t, PAGE_SIZE - offset, count);
if (IS_DAX(inode))
status = iomap_dax_zero(pos, offset, bytes, iomap);
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 8cf898a..217a5e7 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -410,7 +410,11 @@
if (match_int(&args[0], &option))
return 0;
n = option;
- if (n > 99)
+ /*
+ * Track numbers are supposed to be in range 1-99, the
+ * mount option starts indexing at 0.
+ */
+ if (n >= 99)
return 0;
popt->session = n + 1;
break;
@@ -543,7 +547,7 @@
vol_desc_start=0;
ms_info.addr_format=CDROM_LBA;
- if(session >= 0 && session <= 99) {
+ if (session > 0) {
struct cdrom_tocentry Te;
Te.cdte_track=session;
Te.cdte_format=CDROM_LBA;
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 7bc186f..2e71b6e 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -77,13 +77,6 @@
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = XATTR_NAME_POSIX_ACL_ACCESS;
- if (acl) {
- rc = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (rc)
- return rc;
- inode->i_ctime = current_time(inode);
- mark_inode_dirty(inode);
- }
break;
case ACL_TYPE_DEFAULT:
ea_name = XATTR_NAME_POSIX_ACL_DEFAULT;
@@ -115,12 +108,27 @@
{
int rc;
tid_t tid;
+ int update_mode = 0;
+ umode_t mode = inode->i_mode;
tid = txBegin(inode->i_sb, 0);
mutex_lock(&JFS_IP(inode)->commit_mutex);
+ if (type == ACL_TYPE_ACCESS && acl) {
+ rc = posix_acl_update_mode(inode, &mode, &acl);
+ if (rc)
+ goto end_tx;
+ update_mode = 1;
+ }
rc = __jfs_set_acl(tid, inode, type, acl);
- if (!rc)
+ if (!rc) {
+ if (update_mode) {
+ inode->i_mode = mode;
+ inode->i_ctime = current_time(inode);
+ mark_inode_dirty(inode);
+ }
rc = txCommit(tid, 1, &inode, 0);
+ }
+end_tx:
txEnd(tid);
mutex_unlock(&JFS_IP(inode)->commit_mutex);
return rc;
diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index bd9b641..7ddcb44 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -98,7 +98,7 @@
goto out;
}
- VolumeSize = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits;
+ VolumeSize = i_size_read(sb->s_bdev->bd_inode) >> sb->s_blocksize_bits;
if (VolumeSize) {
if (newLVSize > VolumeSize) {
@@ -211,7 +211,7 @@
txQuiesce(sb);
/* Reset size of direct inode */
- sbi->direct_inode->i_size = sb->s_bdev->bd_inode->i_size;
+ sbi->direct_inode->i_size = i_size_read(sb->s_bdev->bd_inode);
if (sbi->mntflag & JFS_INLINELOG) {
/*
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index e8aad7d..60726ae 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -313,7 +313,7 @@
}
case Opt_resize_nosize:
{
- *newLVSize = sb->s_bdev->bd_inode->i_size >>
+ *newLVSize = i_size_read(sb->s_bdev->bd_inode) >>
sb->s_blocksize_bits;
if (*newLVSize == 0)
pr_err("JFS: Cannot determine volume size\n");
@@ -579,7 +579,7 @@
goto out_unload;
}
inode->i_ino = 0;
- inode->i_size = sb->s_bdev->bd_inode->i_size;
+ inode->i_size = i_size_read(sb->s_bdev->bd_inode);
inode->i_mapping->a_ops = &jfs_metapage_aops;
hlist_add_fake(&inode->i_hash);
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
@@ -619,16 +619,10 @@
if (!sb->s_root)
goto out_no_root;
- /* logical blocks are represented by 40 bits in pxd_t, etc. */
- sb->s_maxbytes = ((u64) sb->s_blocksize) << 40;
-#if BITS_PER_LONG == 32
- /*
- * Page cache is indexed by long.
- * I would use MAX_LFS_FILESIZE, but it's only half as big
+ /* logical blocks are represented by 40 bits in pxd_t, etc.
+ * and page cache is indexed by long
*/
- sb->s_maxbytes = min(((u64) PAGE_SIZE << 32) - 1,
- (u64)sb->s_maxbytes);
-#endif
+ sb->s_maxbytes = min(((loff_t)sb->s_blocksize) << 40, MAX_LFS_FILESIZE);
sb->s_time_gran = 1;
return 0;
diff --git a/fs/mount.h b/fs/mount.h
index de45d9e..6790767 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -16,7 +16,7 @@
u64 event;
unsigned int mounts; /* # of mounts in the namespace */
unsigned int pending_mounts;
-};
+} __randomize_layout;
struct mnt_pcp {
int mnt_count;
@@ -69,7 +69,7 @@
struct hlist_head mnt_pins;
struct fs_pin mnt_umount;
struct dentry *mnt_ex_mountpoint;
-};
+} __randomize_layout;
#define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
diff --git a/fs/namei.c b/fs/namei.c
index 88fd38d..ddb6a7c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -524,7 +524,7 @@
struct inode *link_inode;
unsigned root_seq;
int dfd;
-};
+} __randomize_layout;
static void set_nameidata(struct nameidata *p, int dfd, struct filename *name)
{
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 69d02cf..5f93cfa 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -121,6 +121,7 @@
config PNFS_BLOCK
tristate
depends on NFS_V4_1 && BLK_DEV_DM
+ depends on 64BIT || LBDAF
default NFS_V4
config PNFS_FLEXFILE_LAYOUT
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index ee5ddbd..efebe6c 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -820,6 +820,7 @@
target->caps = source->caps;
target->options = source->options;
target->auth_info = source->auth_info;
+ target->port = source->port;
}
EXPORT_SYMBOL_GPL(nfs_server_copy_userdata);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 5ac484f..3522b12 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2372,16 +2372,40 @@
}
EXPORT_SYMBOL_GPL(nfs_access_add_cache);
+#define NFS_MAY_READ (NFS4_ACCESS_READ)
+#define NFS_MAY_WRITE (NFS4_ACCESS_MODIFY | \
+ NFS4_ACCESS_EXTEND | \
+ NFS4_ACCESS_DELETE)
+#define NFS_FILE_MAY_WRITE (NFS4_ACCESS_MODIFY | \
+ NFS4_ACCESS_EXTEND)
+#define NFS_DIR_MAY_WRITE NFS_MAY_WRITE
+#define NFS_MAY_LOOKUP (NFS4_ACCESS_LOOKUP)
+#define NFS_MAY_EXECUTE (NFS4_ACCESS_EXECUTE)
+static int
+nfs_access_calc_mask(u32 access_result, umode_t umode)
+{
+ int mask = 0;
+
+ if (access_result & NFS_MAY_READ)
+ mask |= MAY_READ;
+ if (S_ISDIR(umode)) {
+ if ((access_result & NFS_DIR_MAY_WRITE) == NFS_DIR_MAY_WRITE)
+ mask |= MAY_WRITE;
+ if ((access_result & NFS_MAY_LOOKUP) == NFS_MAY_LOOKUP)
+ mask |= MAY_EXEC;
+ } else if (S_ISREG(umode)) {
+ if ((access_result & NFS_FILE_MAY_WRITE) == NFS_FILE_MAY_WRITE)
+ mask |= MAY_WRITE;
+ if ((access_result & NFS_MAY_EXECUTE) == NFS_MAY_EXECUTE)
+ mask |= MAY_EXEC;
+ } else if (access_result & NFS_MAY_WRITE)
+ mask |= MAY_WRITE;
+ return mask;
+}
+
void nfs_access_set_mask(struct nfs_access_entry *entry, u32 access_result)
{
- entry->mask = 0;
- if (access_result & NFS4_ACCESS_READ)
- entry->mask |= MAY_READ;
- if (access_result &
- (NFS4_ACCESS_MODIFY | NFS4_ACCESS_EXTEND | NFS4_ACCESS_DELETE))
- entry->mask |= MAY_WRITE;
- if (access_result & (NFS4_ACCESS_LOOKUP|NFS4_ACCESS_EXECUTE))
- entry->mask |= MAY_EXEC;
+ entry->mask = access_result;
}
EXPORT_SYMBOL_GPL(nfs_access_set_mask);
@@ -2389,6 +2413,7 @@
{
struct nfs_access_entry cache;
bool may_block = (mask & MAY_NOT_BLOCK) == 0;
+ int cache_mask;
int status;
trace_nfs_access_enter(inode);
@@ -2404,7 +2429,8 @@
goto out;
/* Be clever: ask server to check for all possible rights */
- cache.mask = MAY_EXEC | MAY_WRITE | MAY_READ;
+ cache.mask = NFS_MAY_LOOKUP | NFS_MAY_EXECUTE
+ | NFS_MAY_WRITE | NFS_MAY_READ;
cache.cred = cred;
cache.jiffies = jiffies;
status = NFS_PROTO(inode)->access(inode, &cache);
@@ -2418,7 +2444,8 @@
}
nfs_access_add_cache(inode, &cache);
out_cached:
- if ((mask & ~cache.mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) != 0)
+ cache_mask = nfs_access_calc_mask(cache.mask, inode->i_mode);
+ if ((mask & ~cache_mask & (MAY_READ | MAY_WRITE | MAY_EXEC)) != 0)
status = -EACCES;
out:
trace_nfs_access_exit(inode, status);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 5713eb3..af330c3 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -617,6 +617,8 @@
if (result)
goto out;
}
+ if (iocb->ki_pos > i_size_read(inode))
+ nfs_revalidate_mapping(inode, file->f_mapping);
nfs_start_io_write(inode);
result = generic_write_checks(iocb, from);
@@ -750,7 +752,7 @@
*/
nfs_sync_mapping(filp->f_mapping);
if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ))
- nfs_zap_mapping(inode, filp->f_mapping);
+ nfs_zap_caches(inode);
out:
return status;
}
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 080fc6b..44c638b 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -542,6 +542,10 @@
struct nfs4_file_layout_dsaddr *dsaddr;
int status = -EINVAL;
+ /* Is the deviceid already set? If so, we're good. */
+ if (fl->dsaddr != NULL)
+ return 0;
+
/* find and reference the deviceid */
d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &fl->deviceid,
lo->plh_lc_cred, gfp_flags);
@@ -553,8 +557,6 @@
if (filelayout_test_devid_unavailable(&dsaddr->id_node))
goto out_put;
- fl->dsaddr = dsaddr;
-
if (fl->first_stripe_index >= dsaddr->stripe_count) {
dprintk("%s Bad first_stripe_index %u\n",
__func__, fl->first_stripe_index);
@@ -570,6 +572,13 @@
goto out_put;
}
status = 0;
+
+ /*
+ * Atomic compare and xchange to ensure we don't scribble
+ * over a non-NULL pointer.
+ */
+ if (cmpxchg(&fl->dsaddr, NULL, dsaddr) != NULL)
+ goto out_put;
out:
return status;
out_put:
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 1f2ac3d..b0fa83a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1842,6 +1842,10 @@
int vers, ret;
struct nfs_fh *fh;
+ if (!lseg || !(pnfs_is_valid_lseg(lseg) ||
+ test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)))
+ goto out_err;
+
idx = calc_ds_index_from_commit(lseg, data->ds_commit_index);
ds = nfs4_ff_layout_prepare_ds(lseg, idx, true);
if (!ds)
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 6df7a0c..f32c58b 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -32,6 +32,7 @@
{
nfs4_print_deviceid(&mirror_ds->id_node.deviceid);
nfs4_pnfs_ds_put(mirror_ds->ds);
+ kfree(mirror_ds->ds_versions);
kfree_rcu(mirror_ds, id_node.rcu);
}
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 3efe946..60bad88 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -512,7 +512,7 @@
.counts = mnt_counts,
};
-static unsigned int mnt3_counts[ARRAY_SIZE(mnt_procedures)];
+static unsigned int mnt3_counts[ARRAY_SIZE(mnt3_procedures)];
static const struct rpc_version mnt_version3 = {
.number = 3,
.nrprocs = ARRAY_SIZE(mnt3_procedures),
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index df4a7d3..d1e87ec 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -220,15 +220,8 @@
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
nfs_refresh_inode(inode, res.fattr);
- if (status == 0) {
- entry->mask = 0;
- if (res.access & NFS3_ACCESS_READ)
- entry->mask |= MAY_READ;
- if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
- entry->mask |= MAY_WRITE;
- if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
- entry->mask |= MAY_EXEC;
- }
+ if (status == 0)
+ nfs_access_set_mask(entry, res.access);
nfs_free_fattr(res.fattr);
out:
dprintk("NFS reply access: %d\n", status);
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 50566acb..e9bea90 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -660,9 +660,6 @@
if (!nfs4_check_server_scope(clp->cl_serverscope, res->server_scope))
goto out_err;
- /* Session trunking passed, add the xprt */
- rpc_clnt_xprt_switch_add_xprt(clp->cl_rpcclient, xprt);
-
pr_info("NFS: %s: Session trunking succeeded for %s\n",
clp->cl_hostname,
xprt->address_strings[RPC_DISPLAY_ADDR]);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a0b4e10..d901326 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2236,7 +2236,7 @@
int openflags)
{
struct nfs_access_entry cache;
- u32 mask;
+ u32 mask, flags;
/* access call failed or for some reason the server doesn't
* support any access modes -- defer access call until later */
@@ -2250,16 +2250,20 @@
*/
if (openflags & __FMODE_EXEC) {
/* ONLY check for exec rights */
- mask = MAY_EXEC;
+ if (S_ISDIR(state->inode->i_mode))
+ mask = NFS4_ACCESS_LOOKUP;
+ else
+ mask = NFS4_ACCESS_EXECUTE;
} else if ((fmode & FMODE_READ) && !opendata->file_created)
- mask = MAY_READ;
+ mask = NFS4_ACCESS_READ;
cache.cred = cred;
cache.jiffies = jiffies;
nfs_access_set_mask(&cache, opendata->o_res.access_result);
nfs_access_add_cache(state->inode, &cache);
- if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0)
+ flags = NFS4_ACCESS_READ | NFS4_ACCESS_EXECUTE | NFS4_ACCESS_LOOKUP;
+ if ((mask & ~cache.mask & flags) == 0)
return 0;
return -EACCES;
@@ -2549,9 +2553,8 @@
clear_bit(NFS_O_RDWR_STATE, &state->flags);
clear_bit(NFS_OPEN_STATE, &state->flags);
stateid->type = NFS4_INVALID_STATEID_TYPE;
- }
- if (status != NFS_OK)
return status;
+ }
if (nfs_open_stateid_recover_openmode(state))
return -NFS4ERR_OPENMODE;
return NFS_OK;
@@ -6492,7 +6495,7 @@
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irqrestore(&q->lock, flags);
- freezable_schedule_timeout_interruptible(NFS4_LOCK_MAXTIMEOUT);
+ freezable_schedule_timeout(NFS4_LOCK_MAXTIMEOUT);
}
finish_wait(q, &wait);
@@ -7457,7 +7460,7 @@
cdata->res.server_scope = NULL;
}
/* Save the EXCHANGE_ID verifier session trunk tests */
- memcpy(clp->cl_confirm.data, cdata->args.verifier->data,
+ memcpy(clp->cl_confirm.data, cdata->args.verifier.data,
sizeof(clp->cl_confirm.data));
}
out:
@@ -7470,10 +7473,6 @@
struct nfs41_exchange_id_data *cdata =
(struct nfs41_exchange_id_data *)data;
- if (cdata->xprt) {
- xprt_put(cdata->xprt);
- rpc_clnt_xprt_switch_put(cdata->args.client->cl_rpcclient);
- }
nfs_put_client(cdata->args.client);
kfree(cdata->res.impl_id);
kfree(cdata->res.server_scope);
@@ -7494,7 +7493,6 @@
static int _nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred,
u32 sp4_how, struct rpc_xprt *xprt)
{
- nfs4_verifier verifier;
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_EXCHANGE_ID],
.rpc_cred = cred,
@@ -7503,7 +7501,7 @@
.rpc_client = clp->cl_rpcclient,
.callback_ops = &nfs4_exchange_id_call_ops,
.rpc_message = &msg,
- .flags = RPC_TASK_ASYNC | RPC_TASK_TIMEOUT,
+ .flags = RPC_TASK_TIMEOUT,
};
struct nfs41_exchange_id_data *calldata;
struct rpc_task *task;
@@ -7518,8 +7516,7 @@
return -ENOMEM;
}
- if (!xprt)
- nfs4_init_boot_verifier(clp, &verifier);
+ nfs4_init_boot_verifier(clp, &calldata->args.verifier);
status = nfs4_init_uniform_client_string(clp);
if (status)
@@ -7558,11 +7555,9 @@
if (xprt) {
calldata->xprt = xprt;
task_setup_data.rpc_xprt = xprt;
- task_setup_data.flags =
- RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC;
- calldata->args.verifier = &clp->cl_confirm;
- } else {
- calldata->args.verifier = &verifier;
+ task_setup_data.flags |= RPC_TASK_SOFTCONN;
+ memcpy(calldata->args.verifier.data, clp->cl_confirm.data,
+ sizeof(calldata->args.verifier.data));
}
calldata->args.client = clp;
#ifdef CONFIG_NFS_V4_1_MIGRATION
@@ -7581,12 +7576,7 @@
if (IS_ERR(task))
return PTR_ERR(task);
- if (!xprt) {
- status = rpc_wait_for_completion_task(task);
- if (!status)
- status = calldata->rpc_status;
- } else /* session trunking test */
- status = calldata->rpc_status;
+ status = calldata->rpc_status;
rpc_put_task(task);
out:
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index fa3eb36..37c8af0 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1785,7 +1785,7 @@
int len = 0;
encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr);
- encode_nfs4_verifier(xdr, args->verifier);
+ encode_nfs4_verifier(xdr, &args->verifier);
encode_string(xdr, strlen(args->client->cl_owner_id),
args->client->cl_owner_id);
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index d40755a..25f28fa 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -159,13 +159,18 @@
{
struct pnfs_commit_bucket *b;
struct pnfs_layout_segment *freeme;
+ int nwritten;
int i;
lockdep_assert_held(&cinfo->inode->i_lock);
restart:
for (i = 0, b = cinfo->ds->buckets; i < cinfo->ds->nbuckets; i++, b++) {
- if (pnfs_generic_transfer_commit_list(&b->written, dst,
- cinfo, 0)) {
+ nwritten = pnfs_generic_transfer_commit_list(&b->written,
+ dst, cinfo, 0);
+ if (!nwritten)
+ continue;
+ cinfo->ds->nwritten -= nwritten;
+ if (list_empty(&b->written)) {
freeme = b->wlseg;
b->wlseg = NULL;
spin_unlock(&cinfo->inode->i_lock);
@@ -174,7 +179,6 @@
goto restart;
}
}
- cinfo->ds->nwritten = 0;
}
EXPORT_SYMBOL_GPL(pnfs_generic_recover_commit_reqs);
@@ -183,6 +187,7 @@
struct pnfs_ds_commit_info *fl_cinfo = cinfo->ds;
struct pnfs_commit_bucket *bucket;
struct pnfs_layout_segment *freeme;
+ struct list_head *pos;
LIST_HEAD(pages);
int i;
@@ -193,6 +198,8 @@
continue;
freeme = bucket->clseg;
bucket->clseg = NULL;
+ list_for_each(pos, &bucket->committing)
+ cinfo->ds->ncommitting--;
list_splice_init(&bucket->committing, &pages);
spin_unlock(&cinfo->inode->i_lock);
nfs_retry_commit(&pages, freeme, cinfo, i);
@@ -217,13 +224,6 @@
for (i = 0; i < fl_cinfo->nbuckets; i++, bucket++) {
if (list_empty(&bucket->committing))
continue;
- /*
- * If the layout segment is invalid, then let
- * pnfs_generic_retry_commit() clean up the bucket.
- */
- if (bucket->clseg && !pnfs_is_valid_lseg(bucket->clseg) &&
- !test_bit(NFS_LSEG_LAYOUTRETURN, &bucket->clseg->pls_flags))
- break;
data = nfs_commitdata_alloc(false);
if (!data)
break;
@@ -243,9 +243,12 @@
struct nfs_commit_info *cinfo)
{
struct pnfs_commit_bucket *bucket;
+ struct list_head *pos;
bucket = &cinfo->ds->buckets[data->ds_commit_index];
spin_lock(&cinfo->inode->i_lock);
+ list_for_each(pos, &bucket->committing)
+ cinfo->ds->ncommitting--;
list_splice_init(&bucket->committing, pages);
data->lseg = bucket->clseg;
bucket->clseg = NULL;
@@ -330,7 +333,6 @@
}
}
out:
- cinfo->ds->ncommitting = 0;
return PNFS_ATTEMPTED;
}
EXPORT_SYMBOL_GPL(pnfs_generic_commit_pagelist);
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index b45083c..49b0a9e 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -720,8 +720,8 @@
.counts = nfs4_cb_counts,
};
-static const struct rpc_version *nfs_cb_version[] = {
- &nfs_cb_version4,
+static const struct rpc_version *nfs_cb_version[2] = {
+ [1] = &nfs_cb_version4,
};
static const struct rpc_program cb_program;
@@ -795,7 +795,7 @@
.saddress = (struct sockaddr *) &conn->cb_saddr,
.timeout = &timeparms,
.program = &cb_program,
- .version = 0,
+ .version = 1,
.flags = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET),
};
struct rpc_clnt *client;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 20fbcab..5f940d2 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -144,7 +144,7 @@
argp->p = page_address(argp->pagelist[0]);
argp->pagelist++;
if (argp->pagelen < PAGE_SIZE) {
- argp->end = argp->p + (argp->pagelen>>2);
+ argp->end = argp->p + XDR_QUADLEN(argp->pagelen);
argp->pagelen = 0;
} else {
argp->end = argp->p + (PAGE_SIZE>>2);
@@ -1279,9 +1279,7 @@
argp->pagelen -= pages * PAGE_SIZE;
len -= pages * PAGE_SIZE;
- argp->p = (__be32 *)page_address(argp->pagelist[0]);
- argp->pagelist++;
- argp->end = argp->p + XDR_QUADLEN(PAGE_SIZE);
+ next_decode_page(argp);
}
argp->p += XDR_QUADLEN(len);
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index dc22ba8..e50a387 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -240,18 +240,6 @@
switch (type) {
case ACL_TYPE_ACCESS:
name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
- if (acl) {
- umode_t mode;
-
- ret = posix_acl_update_mode(inode, &mode, &acl);
- if (ret)
- return ret;
-
- ret = ocfs2_acl_set_mode(inode, di_bh,
- handle, mode);
- if (ret)
- return ret;
- }
break;
case ACL_TYPE_DEFAULT:
name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT;
@@ -289,7 +277,19 @@
had_lock = ocfs2_inode_lock_tracker(inode, &bh, 1, &oh);
if (had_lock < 0)
return had_lock;
+ if (type == ACL_TYPE_ACCESS && acl) {
+ umode_t mode;
+
+ status = posix_acl_update_mode(inode, &mode, &acl);
+ if (status)
+ goto unlock;
+
+ status = ocfs2_acl_set_mode(inode, bh, NULL, mode);
+ if (status)
+ goto unlock;
+ }
status = ocfs2_set_acl(NULL, inode, bh, type, acl, NULL, NULL);
+unlock:
ocfs2_inode_unlock_tracker(inode, 1, &oh, had_lock);
brelse(bh);
return status;
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 641d9ee..48b70e6 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -481,17 +481,30 @@
}
static int ovl_create_or_link(struct dentry *dentry, struct inode *inode,
- struct cattr *attr, struct dentry *hardlink)
+ struct cattr *attr, struct dentry *hardlink,
+ bool origin)
{
int err;
const struct cred *old_cred;
struct cred *override_cred;
+ struct dentry *parent = dentry->d_parent;
- err = ovl_copy_up(dentry->d_parent);
+ err = ovl_copy_up(parent);
if (err)
return err;
old_cred = ovl_override_creds(dentry->d_sb);
+
+ /*
+ * When linking a file with copy up origin into a new parent, mark the
+ * new parent dir "impure".
+ */
+ if (origin) {
+ err = ovl_set_impure(parent, ovl_dentry_upper(parent));
+ if (err)
+ goto out_revert_creds;
+ }
+
err = -ENOMEM;
override_cred = prepare_creds();
if (override_cred) {
@@ -550,7 +563,7 @@
inode_init_owner(inode, dentry->d_parent->d_inode, mode);
attr.mode = inode->i_mode;
- err = ovl_create_or_link(dentry, inode, &attr, NULL);
+ err = ovl_create_or_link(dentry, inode, &attr, NULL, false);
if (err)
iput(inode);
@@ -609,7 +622,8 @@
inode = d_inode(old);
ihold(inode);
- err = ovl_create_or_link(new, inode, NULL, ovl_dentry_upper(old));
+ err = ovl_create_or_link(new, inode, NULL, ovl_dentry_upper(old),
+ ovl_type_origin(old));
if (err)
iput(inode);
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 69f4fc2..5bc7164 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -202,37 +202,38 @@
sizeof(OVL_XATTR_PREFIX) - 1) == 0;
}
-int ovl_xattr_set(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags)
+int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
+ const void *value, size_t size, int flags)
{
int err;
- struct path realpath;
- enum ovl_path_type type = ovl_path_real(dentry, &realpath);
+ struct dentry *upperdentry = ovl_i_dentry_upper(inode);
+ struct dentry *realdentry = upperdentry ?: ovl_dentry_lower(dentry);
const struct cred *old_cred;
err = ovl_want_write(dentry);
if (err)
goto out;
- if (!value && !OVL_TYPE_UPPER(type)) {
- err = vfs_getxattr(realpath.dentry, name, NULL, 0);
+ if (!value && !upperdentry) {
+ err = vfs_getxattr(realdentry, name, NULL, 0);
if (err < 0)
goto out_drop_write;
}
- err = ovl_copy_up(dentry);
- if (err)
- goto out_drop_write;
+ if (!upperdentry) {
+ err = ovl_copy_up(dentry);
+ if (err)
+ goto out_drop_write;
- if (!OVL_TYPE_UPPER(type))
- ovl_path_upper(dentry, &realpath);
+ realdentry = ovl_dentry_upper(dentry);
+ }
old_cred = ovl_override_creds(dentry->d_sb);
if (value)
- err = vfs_setxattr(realpath.dentry, name, value, size, flags);
+ err = vfs_setxattr(realdentry, name, value, size, flags);
else {
WARN_ON(flags != XATTR_REPLACE);
- err = vfs_removexattr(realpath.dentry, name);
+ err = vfs_removexattr(realdentry, name);
}
revert_creds(old_cred);
@@ -242,12 +243,13 @@
return err;
}
-int ovl_xattr_get(struct dentry *dentry, const char *name,
+int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
void *value, size_t size)
{
- struct dentry *realdentry = ovl_dentry_real(dentry);
ssize_t res;
const struct cred *old_cred;
+ struct dentry *realdentry =
+ ovl_i_dentry_upper(inode) ?: ovl_dentry_lower(dentry);
old_cred = ovl_override_creds(dentry->d_sb);
res = vfs_getxattr(realdentry, name, value, size);
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 9bc0e58..8aef2b3 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -397,8 +397,19 @@
if (!d_inode(index))
return 0;
- err = -EISDIR;
- if (d_is_dir(index))
+ /*
+ * Directory index entries are going to be used for looking up
+ * redirected upper dirs by lower dir fh when decoding an overlay
+ * file handle of a merge dir. Whiteout index entries are going to be
+ * used as an indication that an exported overlay file handle should
+ * be treated as stale (i.e. after unlink of the overlay inode).
+ * We don't know the verification rules for directory and whiteout
+ * index entries, because they have not been implemented yet, so return
+ * EROFS if those entries are found to avoid corrupting an index that
+ * was created by a newer kernel.
+ */
+ err = -EROFS;
+ if (d_is_dir(index) || ovl_is_whiteout(index))
goto fail;
err = -EINVAL;
@@ -436,8 +447,8 @@
return err;
fail:
- pr_warn_ratelimited("overlayfs: failed to verify index (%pd2, err=%i)\n",
- index, err);
+ pr_warn_ratelimited("overlayfs: failed to verify index (%pd2, ftype=%x, err=%i)\n",
+ index, d_inode(index)->i_mode & S_IFMT, err);
goto out;
}
@@ -502,6 +513,7 @@
goto out;
}
+ inode = d_inode(index);
if (d_is_negative(index)) {
if (upper && d_inode(origin)->i_nlink > 1) {
pr_warn_ratelimited("overlayfs: hard link with origin but no index (ino=%lu).\n",
@@ -511,11 +523,22 @@
dput(index);
index = NULL;
- } else if (upper && d_inode(index) != d_inode(upper)) {
- inode = d_inode(index);
- pr_warn_ratelimited("overlayfs: wrong index found (index ino: %lu, upper ino: %lu).\n",
- d_inode(index)->i_ino,
- d_inode(upper)->i_ino);
+ } else if (upper && d_inode(upper) != inode) {
+ pr_warn_ratelimited("overlayfs: wrong index found (index=%pd2, ino=%lu, upper ino=%lu).\n",
+ index, inode->i_ino, d_inode(upper)->i_ino);
+ goto fail;
+ } else if (ovl_dentry_weird(index) || ovl_is_whiteout(index) ||
+ ((inode->i_mode ^ d_inode(origin)->i_mode) & S_IFMT)) {
+ /*
+ * Index should always be of the same file type as origin
+ * except for the case of a whiteout index. A whiteout
+ * index should only exist if all lower aliases have been
+ * unlinked, which means that finding a lower origin on lookup
+ * whose index is a whiteout should be treated as an error.
+ */
+ pr_warn_ratelimited("overlayfs: bad index found (index=%pd2, ftype=%x, origin ftype=%x).\n",
+ index, d_inode(index)->i_mode & S_IFMT,
+ d_inode(origin)->i_mode & S_IFMT);
goto fail;
}
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 60d2660..e927a62 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -47,7 +47,8 @@
/* Is the real inode encoded in fid an upper inode? */
#define OVL_FH_FLAG_PATH_UPPER (1 << 2)
-#define OVL_FH_FLAG_ALL (OVL_FH_FLAG_BIG_ENDIAN | OVL_FH_FLAG_ANY_ENDIAN)
+#define OVL_FH_FLAG_ALL (OVL_FH_FLAG_BIG_ENDIAN | OVL_FH_FLAG_ANY_ENDIAN | \
+ OVL_FH_FLAG_PATH_UPPER)
#if defined(__LITTLE_ENDIAN)
#define OVL_FH_FLAG_CPU_ENDIAN 0
@@ -199,6 +200,7 @@
struct dentry *ovl_dentry_upper(struct dentry *dentry);
struct dentry *ovl_dentry_lower(struct dentry *dentry);
struct dentry *ovl_dentry_real(struct dentry *dentry);
+struct dentry *ovl_i_dentry_upper(struct inode *inode);
struct inode *ovl_inode_upper(struct inode *inode);
struct inode *ovl_inode_lower(struct inode *inode);
struct inode *ovl_inode_real(struct inode *inode);
@@ -270,9 +272,9 @@
int ovl_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags);
int ovl_permission(struct inode *inode, int mask);
-int ovl_xattr_set(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags);
-int ovl_xattr_get(struct dentry *dentry, const char *name,
+int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
+ const void *value, size_t size, int flags);
+int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
void *value, size_t size);
ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
struct posix_acl *ovl_get_acl(struct inode *inode, int type);
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 0298463..3d424a5 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -703,7 +703,10 @@
err = PTR_ERR(index);
break;
}
- if (ovl_verify_index(index, lowerstack, numlower)) {
+ err = ovl_verify_index(index, lowerstack, numlower);
+ if (err) {
+ if (err == -EROFS)
+ break;
err = ovl_cleanup(dir, index);
if (err)
break;
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 44dc2d6..d86e89f 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -692,7 +692,7 @@
struct dentry *dentry, struct inode *inode,
const char *name, void *buffer, size_t size)
{
- return ovl_xattr_get(dentry, handler->name, buffer, size);
+ return ovl_xattr_get(dentry, inode, handler->name, buffer, size);
}
static int __maybe_unused
@@ -742,7 +742,7 @@
return err;
}
- err = ovl_xattr_set(dentry, handler->name, value, size, flags);
+ err = ovl_xattr_set(dentry, inode, handler->name, value, size, flags);
if (!err)
ovl_copyattr(ovl_inode_real(inode), inode);
@@ -772,7 +772,7 @@
struct dentry *dentry, struct inode *inode,
const char *name, void *buffer, size_t size)
{
- return ovl_xattr_get(dentry, name, buffer, size);
+ return ovl_xattr_get(dentry, inode, name, buffer, size);
}
static int ovl_other_xattr_set(const struct xattr_handler *handler,
@@ -780,7 +780,7 @@
const char *name, const void *value,
size_t size, int flags)
{
- return ovl_xattr_set(dentry, name, value, size, flags);
+ return ovl_xattr_set(dentry, inode, name, value, size, flags);
}
static const struct xattr_handler __maybe_unused
@@ -1058,10 +1058,6 @@
ufs->indexdir = ovl_workdir_create(sb, ufs, workpath.dentry,
OVL_INDEXDIR_NAME, true);
- err = PTR_ERR(ufs->indexdir);
- if (IS_ERR(ufs->indexdir))
- goto out_put_lower_mnt;
-
if (ufs->indexdir) {
/* Verify upper root is index dir origin */
err = ovl_verify_origin(ufs->indexdir, ufs->upper_mnt,
@@ -1090,6 +1086,7 @@
else
sb->s_d_op = &ovl_dentry_operations;
+ err = -ENOMEM;
ufs->creator_cred = cred = prepare_creds();
if (!cred)
goto out_put_indexdir;
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index c492ba7..f46ad75 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -157,9 +157,14 @@
return ovl_dentry_upper(dentry) ?: ovl_dentry_lower(dentry);
}
+struct dentry *ovl_i_dentry_upper(struct inode *inode)
+{
+ return ovl_upperdentry_dereference(OVL_I(inode));
+}
+
struct inode *ovl_inode_upper(struct inode *inode)
{
- struct dentry *upperdentry = ovl_upperdentry_dereference(OVL_I(inode));
+ struct dentry *upperdentry = ovl_i_dentry_upper(inode);
return upperdentry ? d_inode(upperdentry) : NULL;
}
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 1869459..aa2b890 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -51,7 +51,7 @@
spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
u8 namelen;
char name[];
-};
+} __randomize_layout;
union proc_op {
int (*proc_get_link)(struct dentry *, struct path *);
@@ -70,7 +70,7 @@
struct hlist_node sysctl_inodes;
const struct proc_ns_operations *ns_ops;
struct inode vfs_inode;
-};
+} __randomize_layout;
/*
* General functions
@@ -279,7 +279,7 @@
#ifdef CONFIG_NUMA
struct mempolicy *task_mempolicy;
#endif
-};
+} __randomize_layout;
struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode);
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 8a42849..509a616 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -106,13 +106,13 @@
global_node_page_state(NR_FILE_MAPPED));
show_val_kb(m, "Shmem: ", i.sharedram);
show_val_kb(m, "Slab: ",
- global_page_state(NR_SLAB_RECLAIMABLE) +
- global_page_state(NR_SLAB_UNRECLAIMABLE));
+ global_node_page_state(NR_SLAB_RECLAIMABLE) +
+ global_node_page_state(NR_SLAB_UNRECLAIMABLE));
show_val_kb(m, "SReclaimable: ",
- global_page_state(NR_SLAB_RECLAIMABLE));
+ global_node_page_state(NR_SLAB_RECLAIMABLE));
show_val_kb(m, "SUnreclaim: ",
- global_page_state(NR_SLAB_UNRECLAIMABLE));
+ global_node_page_state(NR_SLAB_UNRECLAIMABLE));
seq_printf(m, "KernelStack: %8lu kB\n",
global_page_state(NR_KERNEL_STACK_KB));
show_val_kb(m, "PageTables: ",
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b836fd6..fe8f326 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -16,9 +16,10 @@
#include <linux/mmu_notifier.h>
#include <linux/page_idle.h>
#include <linux/shmem_fs.h>
+#include <linux/uaccess.h>
#include <asm/elf.h>
-#include <linux/uaccess.h>
+#include <asm/tlb.h>
#include <asm/tlbflush.h>
#include "internal.h"
@@ -1008,6 +1009,7 @@
struct mm_struct *mm;
struct vm_area_struct *vma;
enum clear_refs_types type;
+ struct mmu_gather tlb;
int itype;
int rv;
@@ -1054,6 +1056,7 @@
}
down_read(&mm->mmap_sem);
+ tlb_gather_mmu(&tlb, mm, 0, -1);
if (type == CLEAR_REFS_SOFT_DIRTY) {
for (vma = mm->mmap; vma; vma = vma->vm_next) {
if (!(vma->vm_flags & VM_SOFTDIRTY))
@@ -1075,7 +1078,7 @@
walk_page_range(0, mm->highest_vm_end, &clear_refs_walk);
if (type == CLEAR_REFS_SOFT_DIRTY)
mmu_notifier_invalidate_range_end(mm, 0, -1);
- flush_tlb_mm(mm);
+ tlb_finish_mmu(&tlb, 0, -1);
up_read(&mm->mmap_sem);
out_mm:
mmput(mm);
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 53a1749..566e6ef 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1124,6 +1124,10 @@
WARN_ON_ONCE(1);
dquot->dq_dqb.dqb_rsvspace = 0;
}
+ if (dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace <=
+ dquot->dq_dqb.dqb_bsoftlimit)
+ dquot->dq_dqb.dqb_btime = (time64_t) 0;
+ clear_bit(DQ_BLKS_B, &dquot->dq_flags);
}
static void dquot_decr_inodes(struct dquot *dquot, qsize_t number)
@@ -1145,7 +1149,8 @@
dquot->dq_dqb.dqb_curspace -= number;
else
dquot->dq_dqb.dqb_curspace = 0;
- if (dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit)
+ if (dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace <=
+ dquot->dq_dqb.dqb_bsoftlimit)
dquot->dq_dqb.dqb_btime = (time64_t) 0;
clear_bit(DQ_BLKS_B, &dquot->dq_flags);
}
@@ -1381,14 +1386,18 @@
static int info_bdq_free(struct dquot *dquot, qsize_t space)
{
+ qsize_t tspace;
+
+ tspace = dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace;
+
if (test_bit(DQ_FAKE_B, &dquot->dq_flags) ||
- dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit)
+ tspace <= dquot->dq_dqb.dqb_bsoftlimit)
return QUOTA_NL_NOWARN;
- if (dquot->dq_dqb.dqb_curspace - space <= dquot->dq_dqb.dqb_bsoftlimit)
+ if (tspace - space <= dquot->dq_dqb.dqb_bsoftlimit)
return QUOTA_NL_BSOFTBELOW;
- if (dquot->dq_dqb.dqb_curspace >= dquot->dq_dqb.dqb_bhardlimit &&
- dquot->dq_dqb.dqb_curspace - space < dquot->dq_dqb.dqb_bhardlimit)
+ if (tspace >= dquot->dq_dqb.dqb_bhardlimit &&
+ tspace - space < dquot->dq_dqb.dqb_bhardlimit)
return QUOTA_NL_BHARDBELOW;
return QUOTA_NL_NOWARN;
}
@@ -2681,7 +2690,7 @@
if (check_blim) {
if (!dm->dqb_bsoftlimit ||
- dm->dqb_curspace < dm->dqb_bsoftlimit) {
+ dm->dqb_curspace + dm->dqb_rsvspace < dm->dqb_bsoftlimit) {
dm->dqb_btime = 0;
clear_bit(DQ_BLKS_B, &dquot->dq_flags);
} else if (!(di->d_fieldmask & QC_SPC_TIMER))
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 3d2256a..54415f0 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -23,7 +23,8 @@
struct reiserfs_transaction_handle th;
size_t jcreate_blocks;
int size = acl ? posix_acl_xattr_size(acl->a_count) : 0;
-
+ int update_mode = 0;
+ umode_t mode = inode->i_mode;
/*
* Pessimism: We can't assume that anything from the xattr root up
@@ -37,7 +38,16 @@
error = journal_begin(&th, inode->i_sb, jcreate_blocks);
reiserfs_write_unlock(inode->i_sb);
if (error == 0) {
+ if (type == ACL_TYPE_ACCESS && acl) {
+ error = posix_acl_update_mode(inode, &mode, &acl);
+ if (error)
+ goto unlock;
+ update_mode = 1;
+ }
error = __reiserfs_set_acl(&th, inode, type, acl);
+ if (!error && update_mode)
+ inode->i_mode = mode;
+unlock:
reiserfs_write_lock(inode->i_sb);
error2 = journal_end(&th);
reiserfs_write_unlock(inode->i_sb);
@@ -241,11 +251,6 @@
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
- if (acl) {
- error = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (error)
- return error;
- }
break;
case ACL_TYPE_DEFAULT:
name = XATTR_NAME_POSIX_ACL_DEFAULT;
diff --git a/fs/select.c b/fs/select.c
index 9d5f15e..c6362e3 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -1164,11 +1164,7 @@
if (ufdset) {
return compat_get_bitmap(fdset, ufdset, nr);
} else {
- /* Tricky, must clear full unsigned long in the
- * kernel fdset at the end, ALIGN makes sure that
- * actually happens.
- */
- memset(fdset, 0, ALIGN(nr, BITS_PER_LONG));
+ zero_fd_set(nr, fdset);
return 0;
}
}
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index cadcd12..b0d5897 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -854,6 +854,9 @@
__wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, &range);
spin_unlock(&ctx->fault_pending_wqh.lock);
+ /* Flush pending events that may still wait on event_wqh */
+ wake_up_all(&ctx->event_wqh);
+
wake_up_poll(&ctx->fd_wqh, POLLHUP);
userfaultfd_ctx_put(ctx);
return 0;
@@ -1597,7 +1600,7 @@
uffdio_copy.len);
mmput(ctx->mm);
} else {
- return -ENOSPC;
+ return -ESRCH;
}
if (unlikely(put_user(ret, &user_uffdio_copy->copy)))
return -EFAULT;
@@ -1643,6 +1646,8 @@
ret = mfill_zeropage(ctx->mm, uffdio_zeropage.range.start,
uffdio_zeropage.range.len);
mmput(ctx->mm);
+ } else {
+ return -ESRCH;
}
if (unlikely(put_user(ret, &user_uffdio_zeropage->zeropage)))
return -EFAULT;
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 0a98807..c09c16b 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -5435,6 +5435,7 @@
xfs_fsblock_t sum;
xfs_filblks_t len = *rlen; /* length to unmap in file */
xfs_fileoff_t max_len;
+ xfs_agnumber_t prev_agno = NULLAGNUMBER, agno;
trace_xfs_bunmap(ip, bno, len, flags, _RET_IP_);
@@ -5534,6 +5535,17 @@
*/
del = got;
wasdel = isnullstartblock(del.br_startblock);
+
+ /*
+ * Make sure we don't touch multiple AGF headers out of order
+ * in a single transaction, as that could cause AB-BA deadlocks.
+ */
+ if (!wasdel) {
+ agno = XFS_FSB_TO_AGNO(mp, del.br_startblock);
+ if (prev_agno != NULLAGNUMBER && prev_agno > agno)
+ break;
+ prev_agno = agno;
+ }
if (got.br_startoff < start) {
del.br_startoff = start;
del.br_blockcount -= start - got.br_startoff;
@@ -6499,6 +6511,15 @@
xfs_fsblock_t firstfsb;
int error = 0;
+ /*
+ * firstfsb is tied to the transaction lifetime and is used to
+ * ensure correct AG locking order and schedule work item
+ * continuations. XFS_BUI_MAX_FAST_EXTENTS (== 1) restricts us
+ * to only making one bmap call per transaction, so it should
+ * be safe to have it as a local variable here.
+ */
+ firstfsb = NULLFSBLOCK;
+
trace_xfs_bmap_deferred(tp->t_mountp,
XFS_FSB_TO_AGNO(tp->t_mountp, startblock), type,
XFS_FSB_TO_AGBNO(tp->t_mountp, startblock),
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 4da85ff..e0bcc4a 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -728,7 +728,8 @@
* Get the block pointer for this level.
*/
block = xfs_btree_get_block(cur, level, &bp);
- xfs_btree_check_block(cur, block, level, bp);
+ if (xfs_btree_check_block(cur, block, level, bp))
+ return 0;
/*
* It's empty, there is no such record.
*/
@@ -757,7 +758,8 @@
* Get the block pointer for this level.
*/
block = xfs_btree_get_block(cur, level, &bp);
- xfs_btree_check_block(cur, block, level, bp);
+ if (xfs_btree_check_block(cur, block, level, bp))
+ return 0;
/*
* It's empty, there is no such record.
*/
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index d478065..8727a43 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -136,6 +136,8 @@
*/
if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) {
XFS_WANT_CORRUPTED_RETURN(mp, lastfree == 0);
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >=
+ p + be16_to_cpu(dup->length));
XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) ==
(char *)dup - (char *)hdr);
@@ -164,6 +166,8 @@
XFS_WANT_CORRUPTED_RETURN(mp, dep->namelen != 0);
XFS_WANT_CORRUPTED_RETURN(mp,
!xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber)));
+ XFS_WANT_CORRUPTED_RETURN(mp, endp >=
+ p + ops->data_entsize(dep->namelen));
XFS_WANT_CORRUPTED_RETURN(mp,
be16_to_cpu(*ops->data_entry_tag_p(dep)) ==
(char *)dep - (char *)hdr);
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index ffd5a15..abf5bea 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1246,13 +1246,13 @@
/* free inodes to the left? */
if (useleft && trec.ir_freecount) {
- rec = trec;
xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
cur = tcur;
pag->pagl_leftrec = trec.ir_startino;
pag->pagl_rightrec = rec.ir_startino;
pag->pagl_pagino = pagino;
+ rec = trec;
goto alloc_inode;
}
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 900ea23..45b1c3b 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -1638,6 +1638,10 @@
error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
if (error)
goto out_trans;
+ if (!agbp) {
+ error = -ENOMEM;
+ goto out_trans;
+ }
cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL);
/* Find all the leftover CoW staging extents. */
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index ceef77c..ff48f00 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -874,7 +874,6 @@
case S_IFREG:
case S_IFDIR:
if (pip && (pip->i_d.di_flags & XFS_DIFLAG_ANY)) {
- uint64_t di_flags2 = 0;
uint di_flags = 0;
if (S_ISDIR(mode)) {
@@ -911,20 +910,23 @@
di_flags |= XFS_DIFLAG_NODEFRAG;
if (pip->i_d.di_flags & XFS_DIFLAG_FILESTREAM)
di_flags |= XFS_DIFLAG_FILESTREAM;
- if (pip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
- di_flags2 |= XFS_DIFLAG2_DAX;
ip->i_d.di_flags |= di_flags;
- ip->i_d.di_flags2 |= di_flags2;
}
if (pip &&
(pip->i_d.di_flags2 & XFS_DIFLAG2_ANY) &&
pip->i_d.di_version == 3 &&
ip->i_d.di_version == 3) {
+ uint64_t di_flags2 = 0;
+
if (pip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE) {
- ip->i_d.di_flags2 |= XFS_DIFLAG2_COWEXTSIZE;
+ di_flags2 |= XFS_DIFLAG2_COWEXTSIZE;
ip->i_d.di_cowextsize = pip->i_d.di_cowextsize;
}
+ if (pip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
+ di_flags2 |= XFS_DIFLAG2_DAX;
+
+ ip->i_d.di_flags2 |= di_flags2;
}
/* FALLTHROUGH */
case S_IFLNK:
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 0053bcf..4ebd0ba 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -749,9 +749,20 @@
return 0;
}
+ /*
+ * During the second phase of log recovery, we need iget and
+ * iput to behave like they do for an active filesystem.
+ * xfs_fs_drop_inode needs to be able to prevent the deletion
+ * of inodes before we're done replaying log items on those
+ * inodes. Turn it off immediately after recovery finishes
+ * so that we don't leak the quota inodes if subsequent mount
+ * activities fail.
+ */
+ mp->m_super->s_flags |= MS_ACTIVE;
error = xlog_recover_finish(mp->m_log);
if (!error)
xfs_log_work_queue(mp);
+ mp->m_super->s_flags &= ~MS_ACTIVE;
return error;
}
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index fbe72b1..43aa42a 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -539,6 +539,7 @@
INIT_WORK(&ctx->discard_endio_work, xlog_discard_endio_work);
queue_work(xfs_discard_wq, &ctx->discard_endio_work);
+ bio_put(bio);
}
static void
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 40d4e8b..ea7d4b4 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -945,15 +945,6 @@
}
/*
- * During the second phase of log recovery, we need iget and
- * iput to behave like they do for an active filesystem.
- * xfs_fs_drop_inode needs to be able to prevent the deletion
- * of inodes before we're done replaying log items on those
- * inodes.
- */
- mp->m_super->s_flags |= MS_ACTIVE;
-
- /*
* Finish recovering the file system. This part needed to be delayed
* until after the root and real-time bitmap inodes were consistently
* read in.
@@ -1028,12 +1019,13 @@
out_quota:
xfs_qm_unmount_quotas(mp);
out_rtunmount:
- mp->m_super->s_flags &= ~MS_ACTIVE;
xfs_rtunmount_inodes(mp);
out_rele_rip:
IRELE(rip);
cancel_delayed_work_sync(&mp->m_reclaim_work);
xfs_reclaim_inodes(mp, SYNC_WAIT);
+ /* Clean out dquots that might be in memory after quotacheck. */
+ xfs_qm_unmount(mp);
out_log_dealloc:
mp->m_flags |= XFS_MOUNT_UNMOUNTING;
xfs_log_mount_cancel(mp);
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 6ce948c..15751dc 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -111,6 +111,9 @@
skipped = 0;
break;
}
+ /* we're done if id overflows back to zero */
+ if (!next_index)
+ break;
}
if (skipped) {
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index ab2270a..f45fbf0 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -170,6 +170,8 @@
error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
if (error)
return error;
+ if (!agbp)
+ return -ENOMEM;
cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL);
@@ -329,7 +331,7 @@
xfs_filblks_t count_fsb,
struct xfs_defer_ops *dfops)
{
- xfs_fsblock_t first_block;
+ xfs_fsblock_t first_block = NULLFSBLOCK;
int nimaps = 1;
if (imap->br_state == XFS_EXT_NORM)
diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
index d4b7294..1e3a74f 100644
--- a/include/acpi/acpi_numa.h
+++ b/include/acpi/acpi_numa.h
@@ -3,6 +3,7 @@
#ifdef CONFIG_ACPI_NUMA
#include <linux/kernel.h>
+#include <linux/numa.h>
/* Proximity bitmap length */
#if MAX_NUMNODES > 256
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 8afa433..faddde4 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -112,10 +112,11 @@
#define HAVE_GENERIC_MMU_GATHER
-void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end);
+void arch_tlb_gather_mmu(struct mmu_gather *tlb,
+ struct mm_struct *mm, unsigned long start, unsigned long end);
void tlb_flush_mmu(struct mmu_gather *tlb);
-void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start,
- unsigned long end);
+void arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force);
extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
int page_size);
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index fc824e2..5d2add1 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -48,7 +48,11 @@
#define parent_node(node) ((void)(node),0)
#endif
#ifndef cpumask_of_node
-#define cpumask_of_node(node) ((void)node, cpu_online_mask)
+ #ifdef CONFIG_NEED_MULTIPLE_NODES
+ #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask)
+ #else
+ #define cpumask_of_node(node) ((void)node, cpu_online_mask)
+ #endif
#endif
#ifndef pcibus_to_node
#define pcibus_to_node(bus) ((void)(bus), -1)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index da0be9a..9623d78 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -60,6 +60,22 @@
#define ALIGN_FUNCTION() . = ALIGN(8)
/*
+ * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections, which
+ * generates .data.identifier sections, which need to be pulled in with
+ * .data. We don't want to pull in .data..other sections, which Linux
+ * has defined. Same for text and bss.
+ */
+#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]*
+#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
+#else
+#define TEXT_MAIN .text
+#define DATA_MAIN .data
+#define BSS_MAIN .bss
+#endif
+
+/*
* Align to a 32 byte boundary equal to the
* alignment gcc 4.5 uses for a struct
*/
@@ -198,12 +214,9 @@
/*
* .data section
- * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections generates
- * .data.identifier which needs to be pulled in with .data, but don't want to
- * pull in .data..stuff which has its own requirements. Same for bss.
*/
#define DATA_DATA \
- *(.data .data.[0-9a-zA-Z_]*) \
+ *(DATA_MAIN) \
*(.ref.data) \
*(.data..shared_aligned) /* percpu related */ \
MEM_KEEP(init.data) \
@@ -434,16 +447,17 @@
VMLINUX_SYMBOL(__security_initcall_end) = .; \
}
-/* .text section. Map to function alignment to avoid address changes
+/*
+ * .text section. Map to function alignment to avoid address changes
* during second ld run in second ld pass when generating System.map
- * LD_DEAD_CODE_DATA_ELIMINATION option enables -ffunction-sections generates
- * .text.identifier which needs to be pulled in with .text , but some
- * architectures define .text.foo which is not intended to be pulled in here.
- * Those enabling LD_DEAD_CODE_DATA_ELIMINATION must ensure they don't have
- * conflicting section names, and must pull in .text.[0-9a-zA-Z_]* */
+ *
+ * TEXT_MAIN here will match .text.fixup and .text.unlikely if dead
+ * code elimination is enabled, so these sections should be converted
+ * to use ".." first.
+ */
#define TEXT_TEXT \
ALIGN_FUNCTION(); \
- *(.text.hot .text .text.fixup .text.unlikely) \
+ *(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \
*(.ref.text) \
MEM_KEEP(init.text) \
MEM_KEEP(exit.text) \
@@ -613,7 +627,7 @@
BSS_FIRST_SECTIONS \
*(.bss..page_aligned) \
*(.dynbss) \
- *(.bss .bss.[0-9a-zA-Z_]*) \
+ *(BSS_MAIN) \
*(COMMON) \
}
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index f6e0306..f87fe20 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -48,7 +48,6 @@
void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu);
void kvm_pmu_disable_counter(struct kvm_vcpu *vcpu, u64 val);
void kvm_pmu_enable_counter(struct kvm_vcpu *vcpu, u64 val);
-void kvm_pmu_overflow_set(struct kvm_vcpu *vcpu, u64 val);
void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu);
void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu);
bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu);
@@ -86,7 +85,6 @@
static inline void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu) {}
static inline void kvm_pmu_disable_counter(struct kvm_vcpu *vcpu, u64 val) {}
static inline void kvm_pmu_enable_counter(struct kvm_vcpu *vcpu, u64 val) {}
-static inline void kvm_pmu_overflow_set(struct kvm_vcpu *vcpu, u64 val) {}
static inline void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu) {}
static inline void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu) {}
static inline bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index c749eef..27b4b66 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1209,6 +1209,7 @@
#endif
#ifdef CONFIG_ACPI_SPCR_TABLE
+extern bool qdf2400_e44_present;
int parse_spcr(bool earlycon);
#else
static inline int parse_spcr(bool earlycon) { return 0; }
diff --git a/include/linux/ata.h b/include/linux/ata.h
index e65ae4b..c7a3538 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -60,7 +60,8 @@
ATA_ID_FW_REV = 23,
ATA_ID_PROD = 27,
ATA_ID_MAX_MULTSECT = 47,
- ATA_ID_DWORD_IO = 48,
+ ATA_ID_DWORD_IO = 48, /* before ATA-8 */
+ ATA_ID_TRUSTED = 48, /* ATA-8 and later */
ATA_ID_CAPABILITY = 49,
ATA_ID_OLD_PIO_MODES = 51,
ATA_ID_OLD_DMA_MODES = 52,
@@ -889,6 +890,13 @@
return id[ATA_ID_DWORD_IO] & (1 << 0);
}
+static inline bool ata_id_has_trusted(const u16 *id)
+{
+ if (ata_id_major_version(id) <= 7)
+ return false;
+ return id[ATA_ID_TRUSTED] & (1 << 0);
+}
+
static inline bool ata_id_has_unload(const u16 *id)
{
if (ata_id_major_version(id) >= 7 &&
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 05488da..3ae9013 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -46,7 +46,7 @@
unsigned interp_flags;
unsigned interp_data;
unsigned long loader, exec;
-};
+} __randomize_layout;
#define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0
#define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT)
@@ -81,7 +81,7 @@
int (*load_shlib)(struct file *);
int (*core_dump)(struct coredump_params *cprm);
unsigned long min_coredump; /* minimal dump size */
-};
+} __randomize_layout;
extern void __register_binfmt(struct linux_binfmt *fmt, int insert);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 25f6a0c..2a5d52f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -568,7 +568,6 @@
#if defined(CONFIG_BLK_DEV_BSG)
bsg_job_fn *bsg_job_fn;
- int bsg_job_size;
struct bsg_class_device bsg_dev;
#endif
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index 360c082..d41d40a 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -85,7 +85,7 @@
int __ret = 0; \
if (cgroup_bpf_enabled && (sock_ops)->sk) { \
typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \
- if (sk_fullsock(__sk)) \
+ if (__sk && sk_fullsock(__sk)) \
__ret = __cgroup_bpf_run_filter_sock_ops(__sk, \
sock_ops, \
BPF_CGROUP_SOCK_OPS); \
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 621076f..8e5d31f 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -43,6 +43,7 @@
u32 min_align;
u32 aux_off;
u32 aux_off_align;
+ bool value_from_signed;
};
enum bpf_stack_slot_type {
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
index e34dde2..637a20c 100644
--- a/include/linux/bsg-lib.h
+++ b/include/linux/bsg-lib.h
@@ -24,6 +24,7 @@
#define _BLK_BSG_
#include <linux/blkdev.h>
+#include <scsi/scsi_request.h>
struct request;
struct device;
@@ -37,6 +38,7 @@
};
struct bsg_job {
+ struct scsi_request sreq;
struct device *dev;
struct request *req;
diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index 408bc09..cb28eb2 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -17,7 +17,7 @@
struct list_head list;
dev_t dev;
unsigned int count;
-};
+} __randomize_layout;
void cdev_init(struct cdev *, const struct file_operations *);
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index f0f6c53..040dd10 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -10,14 +10,14 @@
#define CEPH_FEATURE_INCARNATION_2 (1ull<<57) // CEPH_FEATURE_SERVER_JEWEL
#define DEFINE_CEPH_FEATURE(bit, incarnation, name) \
- const static uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \
- const static uint64_t CEPH_FEATUREMASK_##name = \
+ static const uint64_t CEPH_FEATURE_##name = (1ULL<<bit); \
+ static const uint64_t CEPH_FEATUREMASK_##name = \
(1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation);
/* this bit is ignored but still advertised by release *when* */
#define DEFINE_CEPH_FEATURE_DEPRECATED(bit, incarnation, name, when) \
- const static uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \
- const static uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \
+ static const uint64_t DEPRECATED_CEPH_FEATURE_##name = (1ULL<<bit); \
+ static const uint64_t DEPRECATED_CEPH_FEATUREMASK_##name = \
(1ULL<<bit | CEPH_FEATURE_INCARNATION_##incarnation);
/*
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index c6d96a5..adf670e 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -148,6 +148,7 @@
int size;
int min_size;
bool sort_bitwise;
+ bool recovery_deletes;
unsigned int flags; /* CEPH_OSD_FLAG_* */
bool paused;
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index a0996cb..af3444a 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -272,6 +272,8 @@
u32 new_pg_num,
bool old_sort_bitwise,
bool new_sort_bitwise,
+ bool old_recovery_deletes,
+ bool new_recovery_deletes,
const struct ceph_pg *pgid);
bool ceph_osds_changed(const struct ceph_osds *old_acting,
const struct ceph_osds *new_acting,
diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h
index 385db08..b8281fe 100644
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@@ -158,6 +158,10 @@
#define CEPH_OSDMAP_NOTIERAGENT (1<<13) /* disable tiering agent */
#define CEPH_OSDMAP_NOREBALANCE (1<<14) /* block osd backfill unless pg is degraded */
#define CEPH_OSDMAP_SORTBITWISE (1<<15) /* use bitwise hobject_t sort */
+#define CEPH_OSDMAP_REQUIRE_JEWEL (1<<16) /* require jewel for booting osds */
+#define CEPH_OSDMAP_REQUIRE_KRAKEN (1<<17) /* require kraken for booting osds */
+#define CEPH_OSDMAP_REQUIRE_LUMINOUS (1<<18) /* require l for booting osds */
+#define CEPH_OSDMAP_RECOVERY_DELETES (1<<19) /* deletes performed during recovery instead of peering */
/*
* The error code to return when an OSD can't handle a write
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index cd4bbe8..bdb80c4 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -235,6 +235,7 @@
#endif /* GCC_VERSION >= 40500 */
#if GCC_VERSION >= 40600
+
/*
* When used with Link Time Optimization, gcc can optimize away C functions or
* variables which are referenced only from assembly code. __visible tells the
@@ -242,7 +243,17 @@
* this.
*/
#define __visible __attribute__((externally_visible))
-#endif
+
+/*
+ * RANDSTRUCT_PLUGIN wants to use an anonymous struct, but it is only
+ * possible since GCC 4.6. To provide as much build testing coverage
+ * as possible, this is used for all GCC 4.6+ builds, and not just on
+ * RANDSTRUCT_PLUGIN builds.
+ */
+#define randomized_struct_fields_start struct {
+#define randomized_struct_fields_end } __randomize_layout;
+
+#endif /* GCC_VERSION >= 40600 */
#if GCC_VERSION >= 40900 && !defined(__CHECKER__)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 219f82f..043b60d 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -452,6 +452,11 @@
# define __no_randomize_layout
#endif
+#ifndef randomized_struct_fields_start
+# define randomized_struct_fields_start
+# define randomized_struct_fields_end
+#endif
+
/*
* Tell gcc if a function is cold. The compiler will assume any path
* directly leading to the call is unlikely.
@@ -512,7 +517,8 @@
# define __compiletime_error_fallback(condition) do { } while (0)
#endif
-#define __compiletime_assert(condition, msg, prefix, suffix) \
+#ifdef __OPTIMIZE__
+# define __compiletime_assert(condition, msg, prefix, suffix) \
do { \
bool __cond = !(condition); \
extern void prefix ## suffix(void) __compiletime_error(msg); \
@@ -520,6 +526,9 @@
prefix ## suffix(); \
__compiletime_error_fallback(__cond); \
} while (0)
+#else
+# define __compiletime_assert(condition, msg, prefix, suffix) do { } while (0)
+#endif
#define _compiletime_assert(condition, msg, prefix, suffix) \
__compiletime_assert(condition, msg, prefix, suffix)
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index f10a9b3..537ff842 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -127,6 +127,15 @@
*/
unsigned int transition_delay_us;
+ /*
+ * Remote DVFS flag (Not added to the driver structure as we don't want
+ * to access another structure from scheduler hotpath).
+ *
+ * Should be set if CPUs can do DVFS on behalf of other CPUs from
+ * different cpufreq policies.
+ */
+ bool dvfs_possible_from_any_cpu;
+
/* Cached frequency lookup from cpufreq_driver_resolve_freq. */
unsigned int cached_target_freq;
int cached_resolved_idx;
@@ -370,6 +379,12 @@
*/
#define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5)
+/*
+ * Set by drivers to disallow use of governors with "dynamic_switching" flag
+ * set.
+ */
+#define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING (1 << 6)
+
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
@@ -487,14 +502,8 @@
* polling frequency is 1000 times the transition latency of the processor. The
* ondemand governor will work on any processor with transition latency <= 10ms,
* using appropriate sampling rate.
- *
- * For CPUs with transition latency > 10ms (mostly drivers with CPUFREQ_ETERNAL)
- * the ondemand governor will not work. All times here are in us (microseconds).
*/
-#define MIN_SAMPLING_RATE_RATIO (2)
#define LATENCY_MULTIPLIER (1000)
-#define MIN_LATENCY_MULTIPLIER (20)
-#define TRANSITION_LATENCY_LIMIT (10 * 1000 * 1000)
struct cpufreq_governor {
char name[CPUFREQ_NAME_LEN];
@@ -507,9 +516,8 @@
char *buf);
int (*store_setspeed) (struct cpufreq_policy *policy,
unsigned int freq);
- unsigned int max_transition_latency; /* HW must be able to switch to
- next freq faster than this value in nano secs or we
- will fallback to performance governor */
+ /* For governors which change frequency dynamically by themselves */
+ bool dynamic_switching;
struct list_head governor_list;
struct module *owner;
};
@@ -525,6 +533,7 @@
unsigned int relation);
unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy,
unsigned int target_freq);
+unsigned int cpufreq_policy_transition_delay_us(struct cpufreq_policy *policy);
int cpufreq_register_governor(struct cpufreq_governor *governor);
void cpufreq_unregister_governor(struct cpufreq_governor *governor);
@@ -562,6 +571,17 @@
size_t count);
};
+static inline bool cpufreq_can_do_remote_dvfs(struct cpufreq_policy *policy)
+{
+ /*
+ * Allow remote callbacks if:
+ * - dvfs_possible_from_any_cpu flag is set
+ * - the local and remote CPUs share cpufreq policy
+ */
+ return policy->dvfs_possible_from_any_cpu ||
+ cpumask_test_cpu(smp_processor_id(), policy->cpus);
+}
+
/*********************************************************************
* FREQUENCY TABLE HELPERS *
*********************************************************************/
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index b56573b..82b30e6 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -39,8 +39,6 @@
CPUHP_PCI_XGENE_DEAD,
CPUHP_IOMMU_INTEL_DEAD,
CPUHP_LUSTRE_CFS_DEAD,
- CPUHP_SCSI_BNX2FC_DEAD,
- CPUHP_SCSI_BNX2I_DEAD,
CPUHP_WORKQUEUE_PREP,
CPUHP_POWER_NUMA_PREPARE,
CPUHP_HRTIMERS_PREPARE,
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index f0e2e92..8f7788d 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -63,6 +63,7 @@
/* Idle State Flags */
#define CPUIDLE_FLAG_NONE (0x00)
+#define CPUIDLE_FLAG_POLLING (0x01) /* polling state */
#define CPUIDLE_FLAG_COUPLED (0x02) /* state applies to multiple cpus */
#define CPUIDLE_FLAG_TIMER_STOP (0x04) /* timer is stopped on this state */
@@ -224,6 +225,12 @@
}
#endif
+#ifdef CONFIG_ARCH_HAS_CPU_RELAX
+void cpuidle_poll_state_init(struct cpuidle_driver *drv);
+#else
+static inline void cpuidle_poll_state_init(struct cpuidle_driver *drv) {}
+#endif
+
/******************************
* CPUIDLE GOVERNOR INTERFACE *
******************************/
@@ -250,12 +257,6 @@
{return 0;}
#endif
-#ifdef CONFIG_ARCH_HAS_CPU_RELAX
-#define CPUIDLE_DRIVER_STATE_START 1
-#else
-#define CPUIDLE_DRIVER_STATE_START 0
-#endif
-
#define CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx) \
({ \
int __ret; \
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 119a3f9..898cfe2 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -18,6 +18,19 @@
#ifdef CONFIG_CPUSETS
+/*
+ * Static branch rewrites can happen in an arbitrary order for a given
+ * key. In code paths where we need to loop with read_mems_allowed_begin() and
+ * read_mems_allowed_retry() to get a consistent view of mems_allowed, we need
+ * to ensure that begin() always gets rewritten before retry() in the
+ * disabled -> enabled transition. If not, then if local irqs are disabled
+ * around the loop, we can deadlock since retry() would always be
+ * comparing the latest value of the mems_allowed seqcount against 0 as
+ * begin() still would see cpusets_enabled() as false. The enabled -> disabled
+ * transition should happen in reverse order for the same reasons (want to stop
+ * looking at real value of mems_allowed.sequence in retry() first).
+ */
+extern struct static_key_false cpusets_pre_enable_key;
extern struct static_key_false cpusets_enabled_key;
static inline bool cpusets_enabled(void)
{
@@ -32,12 +45,14 @@
static inline void cpuset_inc(void)
{
+ static_branch_inc(&cpusets_pre_enable_key);
static_branch_inc(&cpusets_enabled_key);
}
static inline void cpuset_dec(void)
{
static_branch_dec(&cpusets_enabled_key);
+ static_branch_dec(&cpusets_pre_enable_key);
}
extern int cpuset_init(void);
@@ -115,7 +130,7 @@
*/
static inline unsigned int read_mems_allowed_begin(void)
{
- if (!cpusets_enabled())
+ if (!static_branch_unlikely(&cpusets_pre_enable_key))
return 0;
return read_seqcount_begin(¤t->mems_allowed_seq);
@@ -129,7 +144,7 @@
*/
static inline bool read_mems_allowed_retry(unsigned int seq)
{
- if (!cpusets_enabled())
+ if (!static_branch_unlikely(&cpusets_enabled_key))
return false;
return read_seqcount_retry(¤t->mems_allowed_seq, seq);
diff --git a/include/linux/cred.h b/include/linux/cred.h
index c728d51..099058e 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -31,7 +31,7 @@
atomic_t usage;
int ngroups;
kgid_t gid[0];
-};
+} __randomize_layout;
/**
* get_group_info - Get a reference to a group info structure
@@ -145,7 +145,7 @@
struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */
struct group_info *group_info; /* supplementary groups for euid/fsgid */
struct rcu_head rcu; /* RCU deletion hook */
-};
+} __randomize_layout;
extern void __put_cred(struct cred *);
extern void exit_creds(struct task_struct *);
diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h
index 92e165d..07eed95 100644
--- a/include/linux/crush/crush.h
+++ b/include/linux/crush/crush.h
@@ -193,7 +193,7 @@
struct crush_choose_arg_map {
#ifdef __KERNEL__
struct rb_node node;
- u64 choose_args_index;
+ s64 choose_args_index;
#endif
struct crush_choose_arg *args; /*!< replacement for each bucket
in the crushmap */
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 7948118..df97b7a 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -87,6 +87,7 @@
void dax_flush(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
size_t size);
void dax_write_cache(struct dax_device *dax_dev, bool wc);
+bool dax_write_cache_enabled(struct dax_device *dax_dev);
/*
* We use lowest available bit in exceptional entry for locking, one bit for
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 3f3ff4c..aae1cdb 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -118,7 +118,7 @@
struct hlist_bl_node d_in_lookup_hash; /* only for in-lookup ones */
struct rcu_head d_rcu;
} d_u;
-};
+} __randomize_layout;
/*
* dentry->d_lock spinlock nesting subclasses:
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 1473455..4f2b3b2 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -549,46 +549,29 @@
*---------------------------------------------------------------*/
#define DM_NAME "device-mapper"
-#ifdef CONFIG_PRINTK
-extern struct ratelimit_state dm_ratelimit_state;
-
-#define dm_ratelimit() __ratelimit(&dm_ratelimit_state)
-#else
-#define dm_ratelimit() 0
-#endif
+#define DM_RATELIMIT(pr_func, fmt, ...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ \
+ if (__ratelimit(&rs)) \
+ pr_func(DM_FMT(fmt), ##__VA_ARGS__); \
+} while (0)
#define DM_FMT(fmt) DM_NAME ": " DM_MSG_PREFIX ": " fmt "\n"
#define DMCRIT(fmt, ...) pr_crit(DM_FMT(fmt), ##__VA_ARGS__)
#define DMERR(fmt, ...) pr_err(DM_FMT(fmt), ##__VA_ARGS__)
-#define DMERR_LIMIT(fmt, ...) \
-do { \
- if (dm_ratelimit()) \
- DMERR(fmt, ##__VA_ARGS__); \
-} while (0)
-
+#define DMERR_LIMIT(fmt, ...) DM_RATELIMIT(pr_err, fmt, ##__VA_ARGS__)
#define DMWARN(fmt, ...) pr_warn(DM_FMT(fmt), ##__VA_ARGS__)
-#define DMWARN_LIMIT(fmt, ...) \
-do { \
- if (dm_ratelimit()) \
- DMWARN(fmt, ##__VA_ARGS__); \
-} while (0)
-
+#define DMWARN_LIMIT(fmt, ...) DM_RATELIMIT(pr_warn, fmt, ##__VA_ARGS__)
#define DMINFO(fmt, ...) pr_info(DM_FMT(fmt), ##__VA_ARGS__)
-#define DMINFO_LIMIT(fmt, ...) \
-do { \
- if (dm_ratelimit()) \
- DMINFO(fmt, ##__VA_ARGS__); \
-} while (0)
+#define DMINFO_LIMIT(fmt, ...) DM_RATELIMIT(pr_info, fmt, ##__VA_ARGS__)
#ifdef CONFIG_DM_DEBUG
#define DMDEBUG(fmt, ...) printk(KERN_DEBUG DM_FMT(fmt), ##__VA_ARGS__)
-#define DMDEBUG_LIMIT(fmt, ...) \
-do { \
- if (dm_ratelimit()) \
- DMDEBUG(fmt, ##__VA_ARGS__); \
-} while (0)
+#define DMDEBUG_LIMIT(fmt, ...) DM_RATELIMIT(pr_debug, fmt, ##__VA_ARGS__)
#else
#define DMDEBUG(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#define DMDEBUG_LIMIT(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
diff --git a/include/linux/device.h b/include/linux/device.h
index 723cd54..beabdbc 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -843,7 +843,7 @@
* hibernation, system resume and during runtime PM transitions
* along with subsystem-level and driver-level callbacks.
* @pins: For device pin management.
- * See Documentation/pinctrl.txt for details.
+ * See Documentation/driver-api/pinctl.rst for details.
* @msi_list: Hosts MSI descriptors
* @msi_domain: The generic MSI domain this device is using.
* @numa_node: NUMA node this device is close to.
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index 277ab9a..100cb43 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -19,6 +19,7 @@
struct pts_fs_info;
+struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *);
struct pts_fs_info *devpts_acquire(struct file *);
void devpts_release(struct pts_fs_info *);
@@ -32,6 +33,15 @@
/* unlink */
void devpts_pty_kill(struct dentry *);
+/* in pty.c */
+int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags);
+
+#else
+static inline int
+ptm_open_peer(struct file *master, struct tty_struct *tty, int flags)
+{
+ return -EIO;
+}
#endif
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index a5195a7..0a186c4 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -55,6 +55,7 @@
* of the time.
*
* DMA_FENCE_FLAG_SIGNALED_BIT - fence is already signaled
+ * DMA_FENCE_FLAG_TIMESTAMP_BIT - timestamp recorded for fence signaling
* DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT - enable_signaling might have been called
* DMA_FENCE_FLAG_USER_BITS - start of the unused bits, can be used by the
* implementer of the fence for its own purposes. Can be used in different
@@ -84,6 +85,7 @@
enum dma_fence_flag_bits {
DMA_FENCE_FLAG_SIGNALED_BIT,
+ DMA_FENCE_FLAG_TIMESTAMP_BIT,
DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
DMA_FENCE_FLAG_USER_BITS, /* must always be last member */
};
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 843ab86..03c0196 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -157,16 +157,40 @@
* These three functions are only for dma allocator.
* Don't use them in device drivers.
*/
-int dma_alloc_from_coherent(struct device *dev, ssize_t size,
+int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size,
dma_addr_t *dma_handle, void **ret);
-int dma_release_from_coherent(struct device *dev, int order, void *vaddr);
+int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr);
-int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
+int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, size_t size, int *ret);
+
+void *dma_alloc_from_global_coherent(ssize_t size, dma_addr_t *dma_handle);
+int dma_release_from_global_coherent(int order, void *vaddr);
+int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *cpu_addr,
+ size_t size, int *ret);
+
#else
-#define dma_alloc_from_coherent(dev, size, handle, ret) (0)
-#define dma_release_from_coherent(dev, order, vaddr) (0)
-#define dma_mmap_from_coherent(dev, vma, vaddr, order, ret) (0)
+#define dma_alloc_from_dev_coherent(dev, size, handle, ret) (0)
+#define dma_release_from_dev_coherent(dev, order, vaddr) (0)
+#define dma_mmap_from_dev_coherent(dev, vma, vaddr, order, ret) (0)
+
+static inline void *dma_alloc_from_global_coherent(ssize_t size,
+ dma_addr_t *dma_handle)
+{
+ return NULL;
+}
+
+static inline int dma_release_from_global_coherent(int order, void *vaddr)
+{
+ return 0;
+}
+
+static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma,
+ void *cpu_addr, size_t size,
+ int *ret)
+{
+ return 0;
+}
#endif /* CONFIG_HAVE_GENERIC_DMA_COHERENT */
#ifdef CONFIG_HAS_DMA
@@ -481,7 +505,7 @@
BUG_ON(!ops);
- if (dma_alloc_from_coherent(dev, size, dma_handle, &cpu_addr))
+ if (dma_alloc_from_dev_coherent(dev, size, dma_handle, &cpu_addr))
return cpu_addr;
if (!arch_dma_alloc_attrs(&dev, &flag))
@@ -503,7 +527,7 @@
BUG_ON(!ops);
WARN_ON(irqs_disabled());
- if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
+ if (dma_release_from_dev_coherent(dev, get_order(size), cpu_addr))
return;
if (!ops->free || !cpu_addr)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7b5d681..cbfe127 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -296,7 +296,7 @@
void *private;
int ki_flags;
enum rw_hint ki_hint;
-};
+} __randomize_layout;
static inline bool is_sync_kiocb(struct kiocb *kiocb)
{
@@ -404,7 +404,7 @@
struct list_head private_list; /* ditto */
void *private_data; /* ditto */
errseq_t wb_err;
-} __attribute__((aligned(sizeof(long))));
+} __attribute__((aligned(sizeof(long)))) __randomize_layout;
/*
* On most architectures that alignment is already the case; but
* must be enforced here for CRIS, to let the least significant bit
@@ -447,7 +447,7 @@
int bd_fsfreeze_count;
/* Mutex for freeze */
struct mutex bd_fsfreeze_mutex;
-};
+} __randomize_layout;
/*
* Radix-tree tags, for tagging dirty and writeback pages within the pagecache
@@ -666,7 +666,7 @@
#endif
void *i_private; /* fs or device private pointer */
-};
+} __randomize_layout;
static inline unsigned int i_blocksize(const struct inode *node)
{
@@ -883,7 +883,8 @@
#endif /* #ifdef CONFIG_EPOLL */
struct address_space *f_mapping;
errseq_t f_wb_err;
-} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
+} __randomize_layout
+ __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
struct file_handle {
__u32 handle_bytes;
@@ -906,9 +907,9 @@
/* Page cache limit. The filesystems should put that into their s_maxbytes
limits, otherwise bad things can happen in VM. */
#if BITS_PER_LONG==32
-#define MAX_LFS_FILESIZE (((loff_t)PAGE_SIZE << (BITS_PER_LONG-1))-1)
+#define MAX_LFS_FILESIZE ((loff_t)ULONG_MAX << PAGE_SHIFT)
#elif BITS_PER_LONG==64
-#define MAX_LFS_FILESIZE ((loff_t)0x7fffffffffffffffLL)
+#define MAX_LFS_FILESIZE ((loff_t)LLONG_MAX)
#endif
#define FL_POSIX 1
@@ -1020,7 +1021,7 @@
int state; /* state of grant or error if -ve */
} afs;
} fl_u;
-};
+} __randomize_layout;
struct file_lock_context {
spinlock_t flc_lock;
@@ -1412,7 +1413,7 @@
spinlock_t s_inode_wblist_lock;
struct list_head s_inodes_wb; /* writeback inodes */
-};
+} __randomize_layout;
/* Helper functions so that in most cases filesystems will
* not need to deal directly with kuid_t and kgid_t and can
@@ -1698,7 +1699,7 @@
u64);
ssize_t (*dedupe_file_range)(struct file *, u64, u64, struct file *,
u64);
-};
+} __randomize_layout;
struct inode_operations {
struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 0efc3e6..7a02624 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -12,7 +12,7 @@
int umask;
int in_exec;
struct path root, pwd;
-};
+} __randomize_layout;
extern struct kmem_cache *fs_cachep;
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 5857390..6383115 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -145,8 +145,8 @@
#ifdef CONFIG_DYNAMIC_FTRACE
/* The hash used to know what functions callbacks trace */
struct ftrace_ops_hash {
- struct ftrace_hash *notrace_hash;
- struct ftrace_hash *filter_hash;
+ struct ftrace_hash __rcu *notrace_hash;
+ struct ftrace_hash __rcu *filter_hash;
struct mutex regex_lock;
};
@@ -168,7 +168,7 @@
*/
struct ftrace_ops {
ftrace_func_t func;
- struct ftrace_ops *next;
+ struct ftrace_ops __rcu *next;
unsigned long flags;
void *private;
ftrace_func_t saved_func;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 00ca5b8..d501d39 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -689,7 +689,8 @@
#define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
#define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */
#define I2C_CLASS_SPD (1<<7) /* Memory modules */
-#define I2C_CLASS_DEPRECATED (1<<8) /* Warn users that adapter will stop using classes */
+/* Warn users that the adapter doesn't support classes anymore */
+#define I2C_CLASS_DEPRECATED (1<<8)
/* Internal numbers to terminate lists */
#define I2C_CLIENT_END 0xfffeU
diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
index 497f2b3..97f1b46 100644
--- a/include/linux/iio/common/st_sensors.h
+++ b/include/linux/iio/common/st_sensors.h
@@ -105,6 +105,11 @@
struct st_sensor_fullscale_avl fs_avl[ST_SENSORS_FULLSCALE_AVL_MAX];
};
+struct st_sensor_sim {
+ u8 addr;
+ u8 value;
+};
+
/**
* struct st_sensor_bdu - ST sensor device block data update
* @addr: address of the register.
@@ -197,6 +202,7 @@
* @bdu: Block data update register.
* @das: Data Alignment Selection register.
* @drdy_irq: Data ready register of the sensor.
+ * @sim: SPI serial interface mode register of the sensor.
* @multi_read_bit: Use or not particular bit for [I2C/SPI] multi-read.
* @bootime: samples to discard when sensor passing from power-down to power-up.
*/
@@ -213,6 +219,7 @@
struct st_sensor_bdu bdu;
struct st_sensor_das das;
struct st_sensor_data_ready_irq drdy_irq;
+ struct st_sensor_sim sim;
bool multi_read_bit;
unsigned int bootime;
};
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index d68bec2..c380daa 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -535,7 +535,7 @@
* @scan_timestamp: [INTERN] set if any buffers have requested timestamp
* @scan_index_timestamp:[INTERN] cache of the index to the timestamp
* @trig: [INTERN] current device trigger (buffer modes)
- * @trig_readonly [INTERN] mark the current trigger immutable
+ * @trig_readonly: [INTERN] mark the current trigger immutable
* @pollfunc: [DRIVER] function run on trigger being received
* @pollfunc_event: [DRIVER] function run on events trigger being received
* @channels: [DRIVER] channel specification structure table
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index ea08302..7142d8d 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -144,8 +144,8 @@
/**
* iio_trigger_set_immutable() - set an immutable trigger on destination
*
- * @indio_dev - IIO device structure containing the device
- * @trig - trigger to assign to device
+ * @indio_dev: IIO device structure containing the device
+ * @trig: trigger to assign to device
*
**/
int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *trig);
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 2cb54ad..176f756 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -240,7 +240,7 @@
struct list_head list;
const struct iommu_ops *ops;
struct fwnode_handle *fwnode;
- struct device dev;
+ struct device *dev;
};
int iommu_device_register(struct iommu_device *iommu);
@@ -265,6 +265,11 @@
iommu->fwnode = fwnode;
}
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+ return (struct iommu_device *)dev_get_drvdata(dev);
+}
+
#define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */
#define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */
#define IOMMU_GROUP_NOTIFY_BIND_DRIVER 3 /* Pre Driver bind */
@@ -589,6 +594,11 @@
{
}
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+ return NULL;
+}
+
static inline void iommu_device_unregister(struct iommu_device *iommu)
{
}
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 5591f055..fadd579 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -23,6 +23,6 @@
struct rcu_head rcu;
atomic_t refcount;
-} ____cacheline_aligned_in_smp;
+} ____cacheline_aligned_in_smp __randomize_layout;
#endif /* _LINUX_IPC_H */
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 848e579..65327ee 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -61,7 +61,7 @@
struct ucounts *ucounts;
struct ns_common ns;
-};
+} __randomize_layout;
extern struct ipc_namespace init_ipc_ns;
extern spinlock_t mq_lock;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index e1b4429..474d6bb 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -128,6 +128,7 @@
#define IP6SKB_FRAGMENTED 16
#define IP6SKB_HOPBYHOP 32
#define IP6SKB_L3SLAVE 64
+#define IP6SKB_JUMBOGRAM 128
};
#if defined(CONFIG_NET_L3_MASTER_DEV)
@@ -152,6 +153,11 @@
return l3_slave ? skb->skb_iif : IP6CB(skb)->iif;
}
+static inline bool inet6_is_jumbogram(const struct sk_buff *skb)
+{
+ return !!(IP6CB(skb)->flags & IP6SKB_JUMBOGRAM);
+}
+
/* can not be used in TCP layer after tcp_v6_fill_cb */
static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb)
{
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 00db35b..d2d54379 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -388,7 +388,12 @@
* @irq_mask_ack: ack and mask an interrupt source
* @irq_unmask: unmask an interrupt source
* @irq_eoi: end of interrupt
- * @irq_set_affinity: set the CPU affinity on SMP machines
+ * @irq_set_affinity: Set the CPU affinity on SMP machines. If the force
+ * argument is true, it tells the driver to
+ * unconditionally apply the affinity setting. Sanity
+ * checks against the supplied affinity mask are not
+ * required. This is used for CPU hotplug where the
+ * target CPU is not yet set in the cpu_online_mask.
* @irq_retrigger: resend an IRQ to the CPU
* @irq_set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ
* @irq_set_wake: enable/disable power-management wake-on of an IRQ
diff --git a/include/linux/jhash.h b/include/linux/jhash.h
index 348c6f4..8037850 100644
--- a/include/linux/jhash.h
+++ b/include/linux/jhash.h
@@ -85,19 +85,18 @@
k += 12;
}
/* Last block: affect all 32 bits of (c) */
- /* All the case statements fall through */
switch (length) {
- case 12: c += (u32)k[11]<<24;
- case 11: c += (u32)k[10]<<16;
- case 10: c += (u32)k[9]<<8;
- case 9: c += k[8];
- case 8: b += (u32)k[7]<<24;
- case 7: b += (u32)k[6]<<16;
- case 6: b += (u32)k[5]<<8;
- case 5: b += k[4];
- case 4: a += (u32)k[3]<<24;
- case 3: a += (u32)k[2]<<16;
- case 2: a += (u32)k[1]<<8;
+ case 12: c += (u32)k[11]<<24; /* fall through */
+ case 11: c += (u32)k[10]<<16; /* fall through */
+ case 10: c += (u32)k[9]<<8; /* fall through */
+ case 9: c += k[8]; /* fall through */
+ case 8: b += (u32)k[7]<<24; /* fall through */
+ case 7: b += (u32)k[6]<<16; /* fall through */
+ case 6: b += (u32)k[5]<<8; /* fall through */
+ case 5: b += k[4]; /* fall through */
+ case 4: a += (u32)k[3]<<24; /* fall through */
+ case 3: a += (u32)k[2]<<16; /* fall through */
+ case 2: a += (u32)k[1]<<8; /* fall through */
case 1: a += k[0];
__jhash_final(a, b, c);
case 0: /* Nothing left to add */
@@ -131,10 +130,10 @@
k += 3;
}
- /* Handle the last 3 u32's: all the case statements fall through */
+ /* Handle the last 3 u32's */
switch (length) {
- case 3: c += k[2];
- case 2: b += k[1];
+ case 3: c += k[2]; /* fall through */
+ case 2: b += k[1]; /* fall through */
case 1: a += k[0];
__jhash_final(a, b, c);
case 0: /* Nothing left to add */
diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 8496cf6..9520fc3 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -45,7 +45,7 @@
size_t datalen; /* Raw datalen */
size_t quotalen; /* Quota length for proposed payload */
time_t expiry; /* Expiry time of key */
-};
+} __randomize_layout;
typedef int (*request_key_actor_t)(struct key_construction *key,
const char *op, void *aux);
@@ -158,7 +158,7 @@
/* internal fields */
struct list_head link; /* link in types list */
struct lock_class_key lock_class; /* key->sem lock class */
-};
+} __randomize_layout;
extern struct key_type key_type_keyring;
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index c4e441e..655082c 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -64,7 +64,7 @@
int (*init)(struct subprocess_info *info, struct cred *new);
void (*cleanup)(struct subprocess_info *info);
void *data;
-};
+} __randomize_layout;
extern int
call_usermodehelper(const char *path, char **argv, char **envp, int wait);
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index eeab34b..4d800c7 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -172,7 +172,7 @@
spinlock_t list_lock;
struct kobject kobj;
const struct kset_uevent_ops *uevent_ops;
-};
+} __randomize_layout;
extern void kset_init(struct kset *kset);
extern int __must_check kset_register(struct kset *kset);
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 4fec8b7..82e197e 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -15,7 +15,7 @@
* @threadfn: the function to run in the thread
* @data: data pointer for @threadfn()
* @namefmt: printf-style format string for the thread name
- * @...: arguments for @namefmt.
+ * @arg...: arguments for @namefmt.
*
* This macro will create a kthread on the current node, leaving it in
* the stopped state. This is just a helper for kthread_create_on_node();
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 648b34c..21a6fd6 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -445,6 +445,7 @@
struct kvm_stat_data **debugfs_stat_data;
struct srcu_struct srcu;
struct srcu_struct irq_srcu;
+ pid_t userspace_pid;
};
#define kvm_err(fmt, ...) \
@@ -476,7 +477,8 @@
static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)
{
return srcu_dereference_check(kvm->buses[idx], &kvm->srcu,
- lockdep_is_held(&kvm->slots_lock));
+ lockdep_is_held(&kvm->slots_lock) ||
+ !refcount_read(&kvm->users_count));
}
static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
@@ -569,7 +571,8 @@
static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
{
return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,
- lockdep_is_held(&kvm->slots_lock));
+ lockdep_is_held(&kvm->slots_lock) ||
+ !refcount_read(&kvm->users_count));
}
static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 55de3da..931c32f 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -435,7 +435,7 @@
ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */
ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */
- ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */
+ ATA_HORKAGE_NO_DMA_LOG = (1 << 23), /* don't use DMA for log read */
ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */
ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */
diff --git a/include/linux/llist.h b/include/linux/llist.h
index d117381..1957635 100644
--- a/include/linux/llist.h
+++ b/include/linux/llist.h
@@ -93,6 +93,23 @@
container_of(ptr, type, member)
/**
+ * member_address_is_nonnull - check whether the member address is not NULL
+ * @ptr: the object pointer (struct type * that contains the llist_node)
+ * @member: the name of the llist_node within the struct.
+ *
+ * This macro is conceptually the same as
+ * &ptr->member != NULL
+ * but it works around the fact that compilers can decide that taking a member
+ * address is never a NULL pointer.
+ *
+ * Real objects that start at a high address and have a member at NULL are
+ * unlikely to exist, but such pointers may be returned e.g. by the
+ * container_of() macro.
+ */
+#define member_address_is_nonnull(ptr, member) \
+ ((uintptr_t)(ptr) + offsetof(typeof(*(ptr)), member) != 0)
+
+/**
* llist_for_each - iterate over some deleted entries of a lock-less list
* @pos: the &struct llist_node to use as a loop cursor
* @node: the first entry of deleted list entries
@@ -145,7 +162,7 @@
*/
#define llist_for_each_entry(pos, node, member) \
for ((pos) = llist_entry((node), typeof(*(pos)), member); \
- &(pos)->member != NULL; \
+ member_address_is_nonnull(pos, member); \
(pos) = llist_entry((pos)->member.next, typeof(*(pos)), member))
/**
@@ -167,7 +184,7 @@
*/
#define llist_for_each_entry_safe(pos, n, node, member) \
for (pos = llist_entry((node), typeof(*pos), member); \
- &pos->member != NULL && \
+ member_address_is_nonnull(pos, member) && \
(n = llist_entry(pos->member.next, typeof(*n), member), true); \
pos = n)
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 7a86925..3a90feb 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1912,7 +1912,7 @@
struct list_head audit_rule_match;
struct list_head audit_rule_free;
#endif /* CONFIG_AUDIT */
-};
+} __randomize_layout;
/*
* Security module hook list structure.
@@ -1923,7 +1923,7 @@
struct list_head *head;
union security_list_options hook;
char *lsm;
-};
+} __randomize_layout;
/*
* Initializing a security_hook_list structure takes
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 77d4279..bae11c7 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -61,6 +61,7 @@
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
#define __init_memblock __meminit
#define __initdata_memblock __meminitdata
+void memblock_discard(void);
#else
#define __init_memblock
#define __initdata_memblock
@@ -74,8 +75,6 @@
int nid, ulong flags);
phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
phys_addr_t size, phys_addr_t align);
-phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
-phys_addr_t get_allocated_memblock_memory_regions_info(phys_addr_t *addr);
void memblock_allow_resize(void);
int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
int memblock_add(phys_addr_t base, phys_addr_t size);
@@ -110,6 +109,9 @@
void __next_reserved_mem_region(u64 *idx, phys_addr_t *out_start,
phys_addr_t *out_end);
+void __memblock_free_early(phys_addr_t base, phys_addr_t size);
+void __memblock_free_late(phys_addr_t base, phys_addr_t size);
+
/**
* for_each_mem_range - iterate through memblock areas from type_a and not
* included in type_b. Or just type_a if type_b is NULL.
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3914e3d..9b15a4b 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -484,7 +484,8 @@
extern int do_swap_account;
#endif
-void lock_page_memcg(struct page *page);
+struct mem_cgroup *lock_page_memcg(struct page *page);
+void __unlock_page_memcg(struct mem_cgroup *memcg);
void unlock_page_memcg(struct page *page);
static inline unsigned long memcg_page_state(struct mem_cgroup *memcg,
@@ -809,7 +810,12 @@
{
}
-static inline void lock_page_memcg(struct page *page)
+static inline struct mem_cgroup *lock_page_memcg(struct page *page)
+{
+ return NULL;
+}
+
+static inline void __unlock_page_memcg(struct mem_cgroup *memcg)
{
}
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index d5bed08..b54517c 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -620,6 +620,7 @@
u32 dmfs_high_rate_qpn_base;
u32 dmfs_high_rate_qpn_range;
u32 vf_caps;
+ bool wol_port[MLX4_MAX_PORTS + 1];
struct mlx4_rate_limit_caps rl_caps;
};
@@ -1068,7 +1069,7 @@
}
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
- struct mlx4_buf *buf, gfp_t gfp);
+ struct mlx4_buf *buf);
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
{
@@ -1105,10 +1106,9 @@
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
- struct mlx4_buf *buf, gfp_t gfp);
+ struct mlx4_buf *buf);
-int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order,
- gfp_t gfp);
+int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
@@ -1124,8 +1124,7 @@
int *base, u8 flags);
void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
-int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp,
- gfp_t gfp);
+int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcdn,
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index df6ce59..205d82d 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -673,9 +673,7 @@
};
enum mlx5_interface_state {
- MLX5_INTERFACE_STATE_DOWN = BIT(0),
- MLX5_INTERFACE_STATE_UP = BIT(1),
- MLX5_INTERFACE_STATE_SHUTDOWN = BIT(2),
+ MLX5_INTERFACE_STATE_UP = BIT(0),
};
enum mlx5_pci_status {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 87869c0..3030121 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -7749,8 +7749,10 @@
};
struct mlx5_ifc_mcam_enhanced_features_bits {
- u8 reserved_at_0[0x7f];
+ u8 reserved_at_0[0x7d];
+ u8 mtpps_enh_out_per_adj[0x1];
+ u8 mtpps_fs[0x1];
u8 pcie_performance_group[0x1];
};
@@ -8159,7 +8161,8 @@
u8 reserved_at_78[0x4];
u8 cap_pin_4_mode[0x4];
- u8 reserved_at_80[0x80];
+ u8 field_select[0x20];
+ u8 reserved_at_a0[0x60];
u8 enable[0x1];
u8 reserved_at_101[0xb];
@@ -8174,8 +8177,9 @@
u8 out_pulse_duration[0x10];
u8 out_periodic_adjustment[0x10];
+ u8 enhanced_out_periodic_adjustment[0x20];
- u8 reserved_at_1a0[0x60];
+ u8 reserved_at_1c0[0x20];
};
struct mlx5_ifc_mtppse_reg_bits {
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 6f41270..f378dc0 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -212,7 +212,6 @@
#define MLX5_WQE_CTRL_OPCODE_MASK 0xff
#define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
#define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8
-#define MLX5_WQE_AV_EXT 0x80000000
enum {
MLX5_ETH_WQE_L3_INNER_CSUM = 1 << 4,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 46b9ac5..c1f6c95 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1260,6 +1260,7 @@
void unmap_mapping_range(struct address_space *mapping,
loff_t const holebegin, loff_t const holelen, int even_cows);
int follow_pte_pmd(struct mm_struct *mm, unsigned long address,
+ unsigned long *start, unsigned long *end,
pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp);
int follow_pfn(struct vm_area_struct *vma, unsigned long address,
unsigned long *pfn);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 45cdb27..3cadee0 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -342,7 +342,7 @@
struct mempolicy *vm_policy; /* NUMA policy for the VMA */
#endif
struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
-};
+} __randomize_layout;
struct core_thread {
struct task_struct *task;
@@ -487,20 +487,22 @@
/* numa_scan_seq prevents two threads setting pte_numa */
int numa_scan_seq;
#endif
-#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
/*
* An operation with batched TLB flushing is going on. Anything that
* can move process memory needs to flush the TLB when moving a
* PROT_NONE or PROT_NUMA mapped page.
*/
- bool tlb_flush_pending;
+ atomic_t tlb_flush_pending;
+#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
+ /* See flush_tlb_batched_pending() */
+ bool tlb_flush_batched;
#endif
struct uprobes_state uprobes_state;
#ifdef CONFIG_HUGETLB_PAGE
atomic_long_t hugetlb_usage;
#endif
struct work_struct async_put_work;
-};
+} __randomize_layout;
extern struct mm_struct init_mm;
@@ -518,46 +520,60 @@
return mm->cpu_vm_mask_var;
}
-#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
+struct mmu_gather;
+extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end);
+extern void tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end);
+
/*
* Memory barriers to keep this state in sync are graciously provided by
* the page table locks, outside of which no page table modifications happen.
- * The barriers below prevent the compiler from re-ordering the instructions
- * around the memory barriers that are already present in the code.
+ * The barriers are used to ensure the order between tlb_flush_pending updates,
+ * which happen while the lock is not taken, and the PTE updates, which happen
+ * while the lock is taken, are serialized.
*/
static inline bool mm_tlb_flush_pending(struct mm_struct *mm)
{
- barrier();
- return mm->tlb_flush_pending;
+ return atomic_read(&mm->tlb_flush_pending) > 0;
}
-static inline void set_tlb_flush_pending(struct mm_struct *mm)
+
+/*
+ * Returns true if there are two above TLB batching threads in parallel.
+ */
+static inline bool mm_tlb_flush_nested(struct mm_struct *mm)
{
- mm->tlb_flush_pending = true;
+ return atomic_read(&mm->tlb_flush_pending) > 1;
+}
+
+static inline void init_tlb_flush_pending(struct mm_struct *mm)
+{
+ atomic_set(&mm->tlb_flush_pending, 0);
+}
+
+static inline void inc_tlb_flush_pending(struct mm_struct *mm)
+{
+ atomic_inc(&mm->tlb_flush_pending);
/*
- * Guarantee that the tlb_flush_pending store does not leak into the
+ * Guarantee that the tlb_flush_pending increase does not leak into the
* critical section updating the page tables
*/
smp_mb__before_spinlock();
}
+
/* Clearing is done after a TLB flush, which also provides a barrier. */
-static inline void clear_tlb_flush_pending(struct mm_struct *mm)
+static inline void dec_tlb_flush_pending(struct mm_struct *mm)
{
- barrier();
- mm->tlb_flush_pending = false;
+ /*
+ * Guarantee that the tlb_flush_pending does not not leak into the
+ * critical section, since we must order the PTE change and changes to
+ * the pending TLB flush indication. We could have relied on TLB flush
+ * as a memory barrier, but this behavior is not clearly documented.
+ */
+ smp_mb__before_atomic();
+ atomic_dec(&mm->tlb_flush_pending);
}
-#else
-static inline bool mm_tlb_flush_pending(struct mm_struct *mm)
-{
- return false;
-}
-static inline void set_tlb_flush_pending(struct mm_struct *mm)
-{
-}
-static inline void clear_tlb_flush_pending(struct mm_struct *mm)
-{
-}
-#endif
struct vm_fault;
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index c91b3bc..7b2e31b 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -95,17 +95,6 @@
pte_t pte);
/*
- * Before this is invoked any secondary MMU is still ok to
- * read/write to the page previously pointed to by the Linux
- * pte because the page hasn't been freed yet and it won't be
- * freed until this returns. If required set_page_dirty has to
- * be called internally to this method.
- */
- void (*invalidate_page)(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address);
-
- /*
* invalidate_range_start() and invalidate_range_end() must be
* paired and are called only when the mmap_sem and/or the
* locks protecting the reverse maps are held. If the subsystem
@@ -220,8 +209,6 @@
unsigned long address);
extern void __mmu_notifier_change_pte(struct mm_struct *mm,
unsigned long address, pte_t pte);
-extern void __mmu_notifier_invalidate_page(struct mm_struct *mm,
- unsigned long address);
extern void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,
unsigned long start, unsigned long end);
extern void __mmu_notifier_invalidate_range_end(struct mm_struct *mm,
@@ -268,13 +255,6 @@
__mmu_notifier_change_pte(mm, address, pte);
}
-static inline void mmu_notifier_invalidate_page(struct mm_struct *mm,
- unsigned long address)
-{
- if (mm_has_notifiers(mm))
- __mmu_notifier_invalidate_page(mm, address);
-}
-
static inline void mmu_notifier_invalidate_range_start(struct mm_struct *mm,
unsigned long start, unsigned long end)
{
@@ -442,11 +422,6 @@
{
}
-static inline void mmu_notifier_invalidate_page(struct mm_struct *mm,
- unsigned long address)
-{
-}
-
static inline void mmu_notifier_invalidate_range_start(struct mm_struct *mm,
unsigned long start, unsigned long end)
{
diff --git a/include/linux/module.h b/include/linux/module.h
index 8eb9a1e..e7bdd54 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -45,7 +45,7 @@
struct kobject *drivers_dir;
struct module_param_attrs *mp;
struct completion *kobj_completion;
-};
+} __randomize_layout;
struct module_attribute {
struct attribute attr;
@@ -475,7 +475,7 @@
ctor_fn_t *ctors;
unsigned int num_ctors;
#endif
-} ____cacheline_aligned;
+} ____cacheline_aligned __randomize_layout;
#ifndef MODULE_ARCH_INIT
#define MODULE_ARCH_INIT {}
#endif
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 8e0352a..1ce85e6 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -67,7 +67,7 @@
struct dentry *mnt_root; /* root of the mounted tree */
struct super_block *mnt_sb; /* pointer to superblock */
int mnt_flags;
-};
+} __randomize_layout;
struct file; /* forward dec */
struct path;
diff --git a/include/linux/msg.h b/include/linux/msg.h
index f3f302f..a001305 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h
@@ -29,7 +29,7 @@
struct list_head q_messages;
struct list_head q_receivers;
struct list_head q_senders;
-};
+} __randomize_layout;
/* Helper routines for sys_msgsnd and sys_msgrcv */
extern long do_msgsnd(int msqid, long mtype, void __user *mtext,
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 892148c..5216d2e 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -681,10 +681,10 @@
* @tWW_min: WP# transition to WE# low
*/
struct nand_sdr_timings {
- u32 tBERS_max;
+ u64 tBERS_max;
u32 tCCS_min;
- u32 tPROG_max;
- u32 tR_max;
+ u64 tPROG_max;
+ u64 tR_max;
u32 tALH_min;
u32 tADL_min;
u32 tALS_min;
diff --git a/include/linux/net.h b/include/linux/net.h
index dda2cc9..ebeb48c 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -37,7 +37,7 @@
/* Historically, SOCKWQ_ASYNC_NOSPACE & SOCKWQ_ASYNC_WAITDATA were located
* in sock->flags, but moved into sk->sk_wq->flags to be RCU protected.
- * Eventually all flags will be in sk->sk_wq_flags.
+ * Eventually all flags will be in sk->sk_wq->flags.
*/
#define SOCKWQ_ASYNC_NOSPACE 0
#define SOCKWQ_ASYNC_WAITDATA 1
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 779b235..c99ba79 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3866,6 +3866,8 @@
bool netdev_has_upper_dev_all_rcu(struct net_device *dev,
struct net_device *upper_dev);
+bool netdev_has_any_upper_dev(struct net_device *dev);
+
void *netdev_lower_get_next_private(struct net_device *dev,
struct list_head **iter);
void *netdev_lower_get_next_private_rcu(struct net_device *dev,
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index a4b97be..22f0810 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -61,8 +61,6 @@
struct sk_buff *skb,
const struct nf_hook_state *state);
struct nf_hook_ops {
- struct list_head list;
-
/* User fills in from here down. */
nf_hookfn *hook;
struct net_device *dev;
@@ -160,13 +158,6 @@
void nf_unregister_net_hooks(struct net *net, const struct nf_hook_ops *reg,
unsigned int n);
-int nf_register_hook(struct nf_hook_ops *reg);
-void nf_unregister_hook(struct nf_hook_ops *reg);
-int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n);
-void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n);
-int _nf_register_hooks(struct nf_hook_ops *reg, unsigned int n);
-void _nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n);
-
/* Functions to register get/setsockopt ranges (non-inclusive). You
need to check permissions yourself! */
int nf_register_sockopt(struct nf_sockopt_ops *reg);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index e52cc55..5cc91d6 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -51,7 +51,7 @@
struct list_head lru;
unsigned long jiffies;
struct rpc_cred * cred;
- int mask;
+ __u32 mask;
struct rcu_head rcu_head;
};
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index ca3bcc4..62cbcb8 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1235,7 +1235,7 @@
struct nfs41_exchange_id_args {
struct nfs_client *client;
- nfs4_verifier *verifier;
+ nfs4_verifier verifier;
u32 flags;
struct nfs41_state_protection state_protect;
};
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 8aa01fd..a36abe2 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -168,6 +168,14 @@
#define sysctl_softlockup_all_cpu_backtrace 0
#define sysctl_hardlockup_all_cpu_backtrace 0
#endif
+
+#if defined(CONFIG_HARDLOCKUP_CHECK_TIMESTAMP) && \
+ defined(CONFIG_HARDLOCKUP_DETECTOR)
+void watchdog_update_hrtimer_threshold(u64 period);
+#else
+static inline void watchdog_update_hrtimer_threshold(u64 period) { }
+#endif
+
extern bool is_hardlockup(void);
struct ctl_table;
extern int proc_watchdog(struct ctl_table *, int ,
diff --git a/include/linux/nvme-fc-driver.h b/include/linux/nvme-fc-driver.h
index 6c8c5d8..2591878 100644
--- a/include/linux/nvme-fc-driver.h
+++ b/include/linux/nvme-fc-driver.h
@@ -346,6 +346,11 @@
* indicating an FC transport Aborted status.
* Entrypoint is Mandatory.
*
+ * @defer_rcv: Called by the transport to signal the LLLD that it has
+ * begun processing of a previously received NVME CMD IU. The LLDD
+ * is now free to re-use the rcv buffer associated with the
+ * nvmefc_tgt_fcp_req.
+ *
* @max_hw_queues: indicates the maximum number of hw queues the LLDD
* supports for cpu affinitization.
* Value is Mandatory. Must be at least 1.
@@ -846,6 +851,8 @@
struct nvmefc_tgt_fcp_req *fcpreq);
void (*fcp_req_release)(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *fcpreq);
+ void (*defer_rcv)(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_tgt_fcp_req *fcpreq);
u32 max_hw_queues;
u16 max_sgl_segments;
diff --git a/include/linux/nvme-fc.h b/include/linux/nvme-fc.h
index 21c37e3..36cca93 100644
--- a/include/linux/nvme-fc.h
+++ b/include/linux/nvme-fc.h
@@ -334,5 +334,24 @@
#define NVME_FC_LS_TIMEOUT_SEC 2 /* 2 seconds */
#define NVME_FC_TGTOP_TIMEOUT_SEC 2 /* 2 seconds */
+/*
+ * TRADDR string must be of form "nn-<16hexdigits>:pn-<16hexdigits>"
+ * the string is allowed to be specified with or without a "0x" prefix
+ * infront of the <16hexdigits>. Without is considered the "min" string
+ * and with is considered the "max" string. The hexdigits may be upper
+ * or lower case.
+ */
+#define NVME_FC_TRADDR_NNLEN 3 /* "?n-" */
+#define NVME_FC_TRADDR_OXNNLEN 5 /* "?n-0x" */
+#define NVME_FC_TRADDR_HEXNAMELEN 16
+#define NVME_FC_TRADDR_MINLENGTH \
+ (2 * (NVME_FC_TRADDR_NNLEN + NVME_FC_TRADDR_HEXNAMELEN) + 1)
+#define NVME_FC_TRADDR_MAXLENGTH \
+ (2 * (NVME_FC_TRADDR_OXNNLEN + NVME_FC_TRADDR_HEXNAMELEN) + 1)
+#define NVME_FC_TRADDR_MIN_PN_OFFSET \
+ (NVME_FC_TRADDR_NNLEN + NVME_FC_TRADDR_HEXNAMELEN + 1)
+#define NVME_FC_TRADDR_MAX_PN_OFFSET \
+ (NVME_FC_TRADDR_OXNNLEN + NVME_FC_TRADDR_HEXNAMELEN + 1)
+
#endif /* _NVME_FC_H */
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 6b8ee9e..8efff88 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -254,7 +254,7 @@
NVME_CTRL_VWC_PRESENT = 1 << 0,
NVME_CTRL_OACS_SEC_SUPP = 1 << 0,
NVME_CTRL_OACS_DIRECTIVES = 1 << 5,
- NVME_CTRL_OACS_DBBUF_SUPP = 1 << 7,
+ NVME_CTRL_OACS_DBBUF_SUPP = 1 << 8,
};
struct nvme_lbaf {
@@ -963,14 +963,14 @@
};
struct streams_directive_params {
- __u16 msl;
- __u16 nssa;
- __u16 nsso;
+ __le16 msl;
+ __le16 nssa;
+ __le16 nsso;
__u8 rsvd[10];
- __u32 sws;
- __u16 sgs;
- __u16 nsa;
- __u16 nso;
+ __le32 sws;
+ __le16 sgs;
+ __le16 nsa;
+ __le16 nso;
__u8 rsvd2[6];
};
@@ -1006,7 +1006,7 @@
* Why can't we simply have a Fabrics In and Fabrics out command?
*/
if (unlikely(cmd->common.opcode == nvme_fabrics_command))
- return cmd->fabrics.opcode & 1;
+ return cmd->fabrics.fctype & 1;
return cmd->common.opcode & 1;
}
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 8a266e2..76aac4c 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -6,6 +6,8 @@
#include <linux/types.h>
#include <linux/nodemask.h>
#include <uapi/linux/oom.h>
+#include <linux/sched/coredump.h> /* MMF_* */
+#include <linux/mm.h> /* VM_FAULT* */
struct zonelist;
struct notifier_block;
@@ -63,6 +65,26 @@
return tsk->signal->oom_mm;
}
+/*
+ * Checks whether a page fault on the given mm is still reliable.
+ * This is no longer true if the oom reaper started to reap the
+ * address space which is reflected by MMF_UNSTABLE flag set in
+ * the mm. At that moment any !shared mapping would lose the content
+ * and could cause a memory corruption (zero pages instead of the
+ * original content).
+ *
+ * User should call this before establishing a page table entry for
+ * a !shared mapping and under the proper page table lock.
+ *
+ * Return 0 when the PF is safe VM_FAULT_SIGBUS otherwise.
+ */
+static inline int check_stable_address_space(struct mm_struct *mm)
+{
+ if (unlikely(test_bit(MMF_UNSTABLE, &mm->flags)))
+ return VM_FAULT_SIGBUS;
+ return 0;
+}
+
extern unsigned long oom_badness(struct task_struct *p,
struct mem_cgroup *memcg, const nodemask_t *nodemask,
unsigned long totalpages);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index baa9344..79b36f5 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -163,8 +163,6 @@
*/
static inline int page_cache_get_speculative(struct page *page)
{
- VM_BUG_ON(in_interrupt());
-
#ifdef CONFIG_TINY_RCU
# ifdef CONFIG_PREEMPT_COUNT
VM_BUG_ON(!in_atomic() && !irqs_disabled());
diff --git a/include/linux/path.h b/include/linux/path.h
index d137218..cde895c 100644
--- a/include/linux/path.h
+++ b/include/linux/path.h
@@ -7,7 +7,7 @@
struct path {
struct vfsmount *mnt;
struct dentry *dentry;
-};
+} __randomize_layout;
extern void path_get(const struct path *);
extern void path_put(const struct path *);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 4869e66..f958d07 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -188,6 +188,8 @@
* the direct_complete optimization.
*/
PCI_DEV_FLAGS_NEEDS_RESUME = (__force pci_dev_flags_t) (1 << 11),
+ /* Don't use Relaxed Ordering for TLPs directed at this device */
+ PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 12),
};
enum pci_irq_reroute_variant {
@@ -1067,6 +1069,7 @@
int __pci_reset_function(struct pci_dev *dev);
int __pci_reset_function_locked(struct pci_dev *dev);
int pci_reset_function(struct pci_dev *dev);
+int pci_reset_function_locked(struct pci_dev *dev);
int pci_try_reset_function(struct pci_dev *dev);
int pci_probe_reset_slot(struct pci_slot *slot);
int pci_reset_slot(struct pci_slot *slot);
@@ -1125,6 +1128,7 @@
void pci_pme_wakeup_bus(struct pci_bus *bus);
void pci_d3cold_enable(struct pci_dev *dev);
void pci_d3cold_disable(struct pci_dev *dev);
+bool pcie_relaxed_ordering_enabled(struct pci_dev *dev);
/* PCI Virtual Channel */
int pci_save_vc_state(struct pci_dev *dev);
diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h
index 1360dd6..af0f44ef 100644
--- a/include/linux/perf/arm_pmu.h
+++ b/include/linux/perf/arm_pmu.h
@@ -24,10 +24,14 @@
* interrupt and passed the address of the low level handler,
* and can be used to implement any platform specific handling
* before or after calling it.
+ *
+ * @irq_flags: if non-zero, these flags will be passed to request_irq
+ * when requesting interrupts for this PMU device.
*/
struct arm_pmu_platdata {
irqreturn_t (*handle_irq)(int irq, void *dev,
irq_handler_t pmu_handler);
+ unsigned long irq_flags;
};
#ifdef CONFIG_ARM_PMU
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index a3b873f..c00cd4b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -310,8 +310,8 @@
* Notification that the event was mapped or unmapped. Called
* in the context of the mapping task.
*/
- void (*event_mapped) (struct perf_event *event); /*optional*/
- void (*event_unmapped) (struct perf_event *event); /*optional*/
+ void (*event_mapped) (struct perf_event *event, struct mm_struct *mm); /* optional */
+ void (*event_unmapped) (struct perf_event *event, struct mm_struct *mm); /* optional */
/*
* Flags for ->add()/->del()/ ->start()/->stop(). There are
@@ -1201,7 +1201,7 @@
extern void perf_tp_event(u16 event_type, u64 count, void *record,
int entry_size, struct pt_regs *regs,
struct hlist_head *head, int rctx,
- struct task_struct *task);
+ struct task_struct *task, struct perf_event *event);
extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 2a9567b..0bb5b21 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -830,7 +830,7 @@
dev_err(&_phydev->mdio.dev, format, ##args)
#define phydev_dbg(_phydev, format, args...) \
- dev_dbg(&_phydev->mdio.dev, format, ##args);
+ dev_dbg(&_phydev->mdio.dev, format, ##args)
static inline const char *phydev_name(const struct phy_device *phydev)
{
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 4d17931..7195827 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -8,7 +8,9 @@
PIDTYPE_PID,
PIDTYPE_PGID,
PIDTYPE_SID,
- PIDTYPE_MAX
+ PIDTYPE_MAX,
+ /* only valid to __task_pid_nr_ns() */
+ __PIDTYPE_TGID
};
/*
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index c2a989d..b09136f 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -52,7 +52,7 @@
int hide_pid;
int reboot; /* group exit code if this pidns was rebooted */
struct ns_common ns;
-};
+} __randomize_layout;
extern struct pid_namespace init_pid_ns;
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 231d307..e91d1b6 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -81,8 +81,8 @@
* it.
* @PIN_CONFIG_OUTPUT: this will configure the pin as an output and drive a
* value on the line. Use argument 1 to indicate high level, argument 0 to
- * indicate low level. (Please see Documentation/pinctrl.txt, section
- * "GPIO mode pitfalls" for a discussion around this parameter.)
+ * indicate low level. (Please see Documentation/driver-api/pinctl.rst,
+ * section "GPIO mode pitfalls" for a discussion around this parameter.)
* @PIN_CONFIG_POWER_SOURCE: if the pin can select between different power
* supplies, the argument to this parameter (on a custom format) tells
* the driver which alternative power source to use.
diff --git a/include/linux/platform_data/hsmmc-omap.h b/include/linux/platform_data/hsmmc-omap.h
index 8e981be..0ff1e0d 100644
--- a/include/linux/platform_data/hsmmc-omap.h
+++ b/include/linux/platform_data/hsmmc-omap.h
@@ -55,9 +55,6 @@
u32 caps; /* Used for the MMC driver on 2430 and later */
u32 pm_caps; /* PM capabilities of the mmc */
- /* use the internal clock */
- unsigned internal_clock:1;
-
/* nonremovable e.g. eMMC */
unsigned nonremovable:1;
@@ -73,13 +70,6 @@
int gpio_cd; /* gpio (card detect) */
int gpio_cod; /* gpio (cover detect) */
int gpio_wp; /* gpio (write protect) */
-
- int (*set_power)(struct device *dev, int power_on, int vdd);
- void (*remux)(struct device *dev, int power_on);
- /* Call back before enabling / disabling regulators */
- void (*before_set_reg)(struct device *dev, int power_on, int vdd);
- /* Call back after enabling / disabling regulators */
- void (*after_set_reg)(struct device *dev, int power_on, int vdd);
/* if we have special card, init it using this callback */
void (*init_card)(struct mmc_card *card);
diff --git a/include/linux/platform_data/st_sensors_pdata.h b/include/linux/platform_data/st_sensors_pdata.h
index 79b0e4c..f8274b0 100644
--- a/include/linux/platform_data/st_sensors_pdata.h
+++ b/include/linux/platform_data/st_sensors_pdata.h
@@ -17,10 +17,12 @@
* Available only for accelerometer and pressure sensors.
* Accelerometer DRDY on LSM330 available only on pin 1 (see datasheet).
* @open_drain: set the interrupt line to be open drain if possible.
+ * @spi_3wire: enable spi-3wire mode.
*/
struct st_sensors_platform_data {
u8 drdy_int_pin;
bool open_drain;
+ bool spi_3wire;
};
#endif /* ST_SENSORS_PDATA_H */
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 41004d9..84f423d 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -43,6 +43,7 @@
s64 power_on_latency_ns;
s64 residency_ns;
struct fwnode_handle *fwnode;
+ ktime_t idle_time;
};
struct genpd_lock_ops;
@@ -78,6 +79,8 @@
unsigned int state_count; /* number of states */
unsigned int state_idx; /* state that genpd will go to when off */
void *free; /* Free the state that was allocated for default */
+ ktime_t on_time;
+ ktime_t accounting_time;
const struct genpd_lock_ops *lock_ops;
union {
struct mutex mlock;
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index 58ab28d..06844b5 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -21,7 +21,7 @@
int (*install)(struct nsproxy *nsproxy, struct ns_common *ns);
struct user_namespace *(*owner)(struct ns_common *ns);
struct ns_common *(*get_parent)(struct ns_common *ns);
-};
+} __randomize_layout;
extern const struct proc_ns_operations netns_operations;
extern const struct proc_ns_operations utsns_operations;
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index a026bfd..51349d1 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -99,6 +99,11 @@
* parameter func: the desired function to use.
* parameter chan: the function channel index to use.
*
+ * @do_work: Request driver to perform auxiliary (periodic) operations
+ * Driver should return delay of the next auxiliary work scheduling
+ * time (>=0) or negative value in case further scheduling
+ * is not required.
+ *
* Drivers should embed their ptp_clock_info within a private
* structure, obtaining a reference to it using container_of().
*
@@ -126,6 +131,7 @@
struct ptp_clock_request *request, int on);
int (*verify)(struct ptp_clock_info *ptp, unsigned int pin,
enum ptp_pin_function func, unsigned int chan);
+ long (*do_aux_work)(struct ptp_clock_info *ptp);
};
struct ptp_clock;
@@ -211,6 +217,16 @@
int ptp_find_pin(struct ptp_clock *ptp,
enum ptp_pin_function func, unsigned int chan);
+/**
+ * ptp_schedule_worker() - schedule ptp auxiliary work
+ *
+ * @ptp: The clock obtained from ptp_clock_register().
+ * @delay: number of jiffies to wait before queuing
+ * See kthread_queue_delayed_work() for more info.
+ */
+
+int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay);
+
#else
static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
struct device *parent)
@@ -225,6 +241,10 @@
static inline int ptp_find_pin(struct ptp_clock *ptp,
enum ptp_pin_function func, unsigned int chan)
{ return -1; }
+static inline int ptp_schedule_worker(struct ptp_clock *ptp,
+ unsigned long delay)
+{ return -EOPNOTSUPP; }
+
#endif
#endif
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index d8c97ec..37b4bb2 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -436,9 +436,9 @@
__PTR_RING_PEEK_CALL_v; \
})
-static inline void **__ptr_ring_init_queue_alloc(int size, gfp_t gfp)
+static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp)
{
- return kzalloc(ALIGN(size * sizeof(void *), SMP_CACHE_BYTES), gfp);
+ return kcalloc(size, sizeof(void *), gfp);
}
static inline void __ptr_ring_set_size(struct ptr_ring *r, int size)
@@ -582,7 +582,8 @@
* In particular if you consume ring in interrupt or BH context, you must
* disable interrupts/BH when doing so.
*/
-static inline int ptr_ring_resize_multiple(struct ptr_ring **rings, int nrings,
+static inline int ptr_ring_resize_multiple(struct ptr_ring **rings,
+ unsigned int nrings,
int size,
gfp_t gfp, void (*destroy)(void *))
{
@@ -590,7 +591,7 @@
void ***queues;
int i;
- queues = kmalloc(nrings * sizeof *queues, gfp);
+ queues = kmalloc_array(nrings, sizeof(*queues), gfp);
if (!queues)
goto noqueues;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2ba9ec9..c05ac5f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -426,7 +426,7 @@
/* rq "owned" by this entity/group: */
struct rt_rq *my_q;
#endif
-};
+} __randomize_layout;
struct sched_dl_entity {
struct rb_node rb_node;
@@ -526,6 +526,13 @@
#endif
/* -1 unrunnable, 0 runnable, >0 stopped: */
volatile long state;
+
+ /*
+ * This begins the randomizable portion of task_struct. Only
+ * scheduling-critical items should be added above here.
+ */
+ randomized_struct_fields_start
+
void *stack;
atomic_t usage;
/* Per task flags (PF_*), defined further below: */
@@ -1079,6 +1086,13 @@
/* Used by LSM modules for access restriction: */
void *security;
#endif
+
+ /*
+ * New fields for task_struct should be added above here, so that
+ * they are included in the randomized portion of task_struct.
+ */
+ randomized_struct_fields_end
+
/* CPU-specific state of this task: */
struct thread_struct thread;
@@ -1149,13 +1163,6 @@
return tsk->tgid;
}
-extern pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
-
-static inline pid_t task_tgid_vnr(struct task_struct *tsk)
-{
- return pid_vnr(task_tgid(tsk));
-}
-
/**
* pid_alive - check that a task structure is not stale
* @p: Task structure to be checked.
@@ -1171,23 +1178,6 @@
return p->pids[PIDTYPE_PID].pid != NULL;
}
-static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
-{
- pid_t pid = 0;
-
- rcu_read_lock();
- if (pid_alive(tsk))
- pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
- rcu_read_unlock();
-
- return pid;
-}
-
-static inline pid_t task_ppid_nr(const struct task_struct *tsk)
-{
- return task_ppid_nr_ns(tsk, &init_pid_ns);
-}
-
static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
{
return __task_pid_nr_ns(tsk, PIDTYPE_PGID, ns);
@@ -1209,6 +1199,33 @@
return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL);
}
+static inline pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
+{
+ return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, ns);
+}
+
+static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+{
+ return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, NULL);
+}
+
+static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
+{
+ pid_t pid = 0;
+
+ rcu_read_lock();
+ if (pid_alive(tsk))
+ pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
+ rcu_read_unlock();
+
+ return pid;
+}
+
+static inline pid_t task_ppid_nr(const struct task_struct *tsk)
+{
+ return task_ppid_nr_ns(tsk, &init_pid_ns);
+}
+
/* Obsolete, do not use: */
static inline pid_t task_pgrp_nr(struct task_struct *tsk)
{
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index c06d63b3..2a0dd40 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -222,7 +222,7 @@
struct mutex cred_guard_mutex; /* guard against foreign influences on
* credential calculations
* (notably. ptrace) */
-};
+} __randomize_layout;
/*
* Bits in flags field of signal_struct.
diff --git a/include/linux/sem.h b/include/linux/sem.h
index be5cf2e..de2deb8 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -41,7 +41,7 @@
unsigned int use_global_lock;/* >0: global lock required */
struct sem sems[];
-};
+} __randomize_layout;
#ifdef CONFIG_SYSVIPC
diff --git a/include/linux/shm.h b/include/linux/shm.h
index 04e8818..0fb7061 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -22,7 +22,7 @@
/* The task created the shm object. NULL if the task is dead. */
struct task_struct *shm_creator;
struct list_head shm_clist; /* list by creator */
-};
+} __randomize_layout;
/* shm_mode upper byte flags */
#define SHM_DEST 01000 /* segment will be destroyed on last detach */
diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
index 35226cd..8621ffd 100644
--- a/include/linux/skb_array.h
+++ b/include/linux/skb_array.h
@@ -193,7 +193,8 @@
}
static inline int skb_array_resize_multiple(struct skb_array **rings,
- int nrings, int size, gfp_t gfp)
+ int nrings, unsigned int size,
+ gfp_t gfp)
{
BUILD_BUG_ON(offsetof(struct skb_array, ring));
return ptr_ring_resize_multiple((struct ptr_ring **)rings,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index dbe29b6..d67a818 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -973,7 +973,23 @@
int __must_check skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg,
int offset, int len);
int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer);
-int skb_pad(struct sk_buff *skb, int pad);
+int __skb_pad(struct sk_buff *skb, int pad, bool free_on_error);
+
+/**
+ * skb_pad - zero pad the tail of an skb
+ * @skb: buffer to pad
+ * @pad: space to pad
+ *
+ * Ensure that a buffer is followed by a padding area that is zero
+ * filled. Used by network drivers which may DMA or transfer data
+ * beyond the buffer end onto the wire.
+ *
+ * May return error in out of memory cases. The skb is freed on error.
+ */
+static inline int skb_pad(struct sk_buff *skb, int pad)
+{
+ return __skb_pad(skb, pad, true);
+}
#define dev_kfree_skb(a) consume_skb(a)
int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
@@ -2825,6 +2841,31 @@
* skb_put_padto - increase size and pad an skbuff up to a minimal size
* @skb: buffer to pad
* @len: minimal length
+ * @free_on_error: free buffer on error
+ *
+ * Pads up a buffer to ensure the trailing bytes exist and are
+ * blanked. If the buffer already contains sufficient data it
+ * is untouched. Otherwise it is extended. Returns zero on
+ * success. The skb is freed on error if @free_on_error is true.
+ */
+static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len,
+ bool free_on_error)
+{
+ unsigned int size = skb->len;
+
+ if (unlikely(size < len)) {
+ len -= size;
+ if (__skb_pad(skb, len, free_on_error))
+ return -ENOMEM;
+ __skb_put(skb, len);
+ }
+ return 0;
+}
+
+/**
+ * skb_put_padto - increase size and pad an skbuff up to a minimal size
+ * @skb: buffer to pad
+ * @len: minimal length
*
* Pads up a buffer to ensure the trailing bytes exist and are
* blanked. If the buffer already contains sufficient data it
@@ -2833,15 +2874,7 @@
*/
static inline int skb_put_padto(struct sk_buff *skb, unsigned int len)
{
- unsigned int size = skb->len;
-
- if (unlikely(size < len)) {
- len -= size;
- if (skb_pad(skb, len))
- return -ENOMEM;
- __skb_put(skb, len);
- }
- return 0;
+ return __skb_put_padto(skb, len, true);
}
static inline int skb_add_data(struct sk_buff *skb,
diff --git a/include/linux/sync_file.h b/include/linux/sync_file.h
index 5726107..0ad87c4 100644
--- a/include/linux/sync_file.h
+++ b/include/linux/sync_file.h
@@ -43,12 +43,13 @@
#endif
wait_queue_head_t wq;
+ unsigned long flags;
struct dma_fence *fence;
struct dma_fence_cb cb;
};
-#define POLL_ENABLED DMA_FENCE_FLAG_USER_BITS
+#define POLL_ENABLED 0
struct sync_file *sync_file_create(struct dma_fence *fence);
struct dma_fence *sync_file_get_fence(int fd);
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 3a89b9f..1d4dba4 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -120,7 +120,7 @@
struct ctl_table_poll *poll;
void *extra1;
void *extra2;
-};
+} __randomize_layout;
struct ctl_node {
struct rb_node node;
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index f73cedf..5012b52 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -338,7 +338,7 @@
struct trace_event_file {
struct list_head list;
struct trace_event_call *event_call;
- struct event_filter *filter;
+ struct event_filter __rcu *filter;
struct dentry *dir;
struct trace_array *tr;
struct trace_subsystem_dir *system;
@@ -508,9 +508,9 @@
static inline void
perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type,
u64 count, struct pt_regs *regs, void *head,
- struct task_struct *task)
+ struct task_struct *task, struct perf_event *event)
{
- perf_tp_event(type, count, raw_data, size, regs, head, rctx, task);
+ perf_tp_event(type, count, raw_data, size, regs, head, rctx, task, event);
}
#endif
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 69464c0..79c30da 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -332,7 +332,7 @@
/* If the tty has a pending do_SAK, queue it here - akpm */
struct work_struct SAK_work;
struct tty_port *port;
-};
+} __randomize_layout;
/* Each of a tty's open files has private_data pointing to tty_file_private */
struct tty_file_private {
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index b742b5e..00b2213 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -291,7 +291,7 @@
void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
#endif
const struct file_operations *proc_fops;
-};
+} __randomize_layout;
struct tty_driver {
int magic; /* magic number for this structure */
@@ -325,7 +325,7 @@
const struct tty_operations *ops;
struct list_head tty_drivers;
-};
+} __randomize_layout;
extern struct list_head tty_drivers;
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index c5f2158..fd73bc0 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -115,13 +115,13 @@
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bTerminalID;
- __u16 wTerminalType;
+ __le16 wTerminalType;
__u8 bAssocTerminal;
__u8 bCSourceID;
__u8 bNrChannels;
- __u32 bmChannelConfig;
+ __le32 bmChannelConfig;
__u8 iChannelNames;
- __u16 bmControls;
+ __le16 bmControls;
__u8 iTerminal;
} __attribute__((packed));
@@ -132,11 +132,11 @@
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bTerminalID;
- __u16 wTerminalType;
+ __le16 wTerminalType;
__u8 bAssocTerminal;
__u8 bSourceID;
__u8 bCSourceID;
- __u16 bmControls;
+ __le16 bmControls;
__u8 iTerminal;
} __attribute__((packed));
@@ -164,9 +164,9 @@
__u8 bTerminalLink;
__u8 bmControls;
__u8 bFormatType;
- __u32 bmFormats;
+ __le32 bmFormats;
__u8 bNrChannels;
- __u32 bmChannelConfig;
+ __le32 bmChannelConfig;
__u8 iChannelNames;
} __attribute__((packed));
diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
index 021f7a8..1a59699 100644
--- a/include/linux/usb/cdc_ncm.h
+++ b/include/linux/usb/cdc_ncm.h
@@ -83,6 +83,7 @@
/* Driver flags */
#define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */
#define CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE 0x04 /* Avoid altsetting toggle during init */
+#define CDC_NCM_FLAG_RESET_NTB16 0x08 /* set NDP16 one more time after altsetting switch */
#define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \
(x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE)
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 32354b4..b3575ce 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -66,7 +66,7 @@
#endif
struct ucounts *ucounts;
int ucount_max[UCOUNT_COUNTS];
-};
+} __randomize_layout;
struct ucounts {
struct hlist_node node;
diff --git a/include/linux/utsname.h b/include/linux/utsname.h
index 60f0bb8..da826ed 100644
--- a/include/linux/utsname.h
+++ b/include/linux/utsname.h
@@ -26,7 +26,7 @@
struct user_namespace *user_ns;
struct ucounts *ucounts;
struct ns_common ns;
-};
+} __randomize_layout;
extern struct uts_namespace init_uts_ns;
#ifdef CONFIG_UTS_NS
diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index 2251e19..33b0bdb 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -84,26 +84,12 @@
int uuid_parse(const char *uuid, uuid_t *u);
/* backwards compatibility, don't use in new code */
-typedef uuid_t uuid_be;
-#define UUID_BE(a, _b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
- UUID_INIT(a, _b, c, d0, d1, d2, d3, d4, d5, d6, d7)
-#define NULL_UUID_BE \
- UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00)
-
#define uuid_le_gen(u) guid_gen(u)
-#define uuid_be_gen(u) uuid_gen(u)
#define uuid_le_to_bin(guid, u) guid_parse(guid, u)
-#define uuid_be_to_bin(uuid, u) uuid_parse(uuid, u)
static inline int uuid_le_cmp(const guid_t u1, const guid_t u2)
{
return memcmp(&u1, &u2, sizeof(guid_t));
}
-static inline int uuid_be_cmp(const uuid_t u1, const uuid_t u2)
-{
- return memcmp(&u1, &u2, sizeof(uuid_t));
-}
-
#endif
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 586809a..a47b985 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -152,7 +152,7 @@
size_t *data_size);
struct pci_dev;
-#ifdef CONFIG_EEH
+#if IS_ENABLED(CONFIG_VFIO_SPAPR_EEH)
extern void vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev);
extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
@@ -173,7 +173,7 @@
{
return -ENOTTY;
}
-#endif /* CONFIG_EEH */
+#endif /* CONFIG_VFIO_SPAPR_EEH */
/*
* IRQfd - generic
diff --git a/include/linux/wait.h b/include/linux/wait.h
index b289c96..dc19880 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -529,13 +529,13 @@
/**
* wait_event_interruptible_hrtimeout - sleep until a condition gets true or a timeout elapses
- * @wq_head: the waitqueue to wait on
+ * @wq: the waitqueue to wait on
* @condition: a C expression for the event to wait for
* @timeout: timeout, as a ktime_t
*
* The process is put to sleep (TASK_INTERRUPTIBLE) until the
* @condition evaluates to true or a signal is received.
- * The @condition is checked each time the waitqueue @wq_head is woken up.
+ * The @condition is checked each time the waitqueue @wq is woken up.
*
* wake_up() has to be called after changing any variable that could
* change the result of the wait condition.
@@ -735,12 +735,12 @@
/**
* wait_event_killable - sleep until a condition gets true
- * @wq: the waitqueue to wait on
+ * @wq_head: the waitqueue to wait on
* @condition: a C expression for the event to wait for
*
* The process is put to sleep (TASK_KILLABLE) until the
* @condition evaluates to true or a signal is received.
- * The @condition is checked each time the waitqueue @wq is woken up.
+ * The @condition is checked each time the waitqueue @wq_head is woken up.
*
* wake_up() has to be called after changing any variable that could
* change the result of the wait condition.
@@ -757,6 +757,43 @@
__ret; \
})
+#define __wait_event_killable_timeout(wq_head, condition, timeout) \
+ ___wait_event(wq_head, ___wait_cond_timeout(condition), \
+ TASK_KILLABLE, 0, timeout, \
+ __ret = schedule_timeout(__ret))
+
+/**
+ * wait_event_killable_timeout - sleep until a condition gets true or a timeout elapses
+ * @wq_head: the waitqueue to wait on
+ * @condition: a C expression for the event to wait for
+ * @timeout: timeout, in jiffies
+ *
+ * The process is put to sleep (TASK_KILLABLE) until the
+ * @condition evaluates to true or a kill signal is received.
+ * The @condition is checked each time the waitqueue @wq_head is woken up.
+ *
+ * wake_up() has to be called after changing any variable that could
+ * change the result of the wait condition.
+ *
+ * Returns:
+ * 0 if the @condition evaluated to %false after the @timeout elapsed,
+ * 1 if the @condition evaluated to %true after the @timeout elapsed,
+ * the remaining jiffies (at least 1) if the @condition evaluated
+ * to %true before the @timeout elapsed, or -%ERESTARTSYS if it was
+ * interrupted by a kill signal.
+ *
+ * Only kill signals interrupt this process.
+ */
+#define wait_event_killable_timeout(wq_head, condition, timeout) \
+({ \
+ long __ret = timeout; \
+ might_sleep(); \
+ if (!___wait_cond_timeout(condition)) \
+ __ret = __wait_event_killable_timeout(wq_head, \
+ condition, timeout); \
+ __ret; \
+})
+
#define __wait_event_lock_irq(wq_head, condition, lock, cmd) \
(void)___wait_event(wq_head, condition, TASK_UNINTERRUPTIBLE, 0, 0, \
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index c102ef6..db6dc9d 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -323,6 +323,7 @@
__WQ_DRAINING = 1 << 16, /* internal: workqueue is draining */
__WQ_ORDERED = 1 << 17, /* internal: workqueue is ordered */
+ __WQ_ORDERED_EXPLICIT = 1 << 18, /* internal: alloc_ordered_workqueue() */
__WQ_LEGACY = 1 << 18, /* internal: create*_workqueue() */
WQ_MAX_ACTIVE = 512, /* I like 512, better ideas? */
@@ -422,7 +423,8 @@
* Pointer to the allocated workqueue on success, %NULL on failure.
*/
#define alloc_ordered_workqueue(fmt, flags, args...) \
- alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | (flags), 1, ##args)
+ alloc_workqueue(fmt, WQ_UNBOUND | __WQ_ORDERED | \
+ __WQ_ORDERED_EXPLICIT | (flags), 1, ##args)
#define create_workqueue(name) \
alloc_workqueue("%s", __WQ_LEGACY | WQ_MEM_RECLAIM, 1, (name))
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 298f996..a4f7429 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -57,6 +57,7 @@
* @pa: the CEC physical address
*
* Set a new CEC physical address.
+ * Does nothing if @n == NULL.
*/
void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa);
@@ -66,6 +67,7 @@
* @edid: the struct edid pointer
*
* Parses the EDID to obtain the new CEC physical address and set it.
+ * Does nothing if @n == NULL.
*/
void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
const struct edid *edid);
@@ -118,4 +120,17 @@
#endif
+/**
+ * cec_notifier_phys_addr_invalidate() - set the physical address to INVALID
+ *
+ * @n: the CEC notifier
+ *
+ * This is a simple helper function to invalidate the physical
+ * address. Does nothing if @n == NULL.
+ */
+static inline void cec_notifier_phys_addr_invalidate(struct cec_notifier *n)
+{
+ cec_notifier_set_phys_addr(n, CEC_PHYS_ADDR_INVALID);
+}
+
#endif
diff --git a/include/media/davinci/dm644x_ccdc.h b/include/media/davinci/dm644x_ccdc.h
index 7c909da..6ea2ce2 100644
--- a/include/media/davinci/dm644x_ccdc.h
+++ b/include/media/davinci/dm644x_ccdc.h
@@ -103,16 +103,6 @@
char gb;
};
-/* structure for fault pixel correction */
-struct ccdc_fault_pixel {
- /* Enable or Disable fault pixel correction */
- unsigned char enable;
- /* Number of fault pixel */
- unsigned short fp_num;
- /* Address of fault pixel table */
- unsigned long fpc_table_addr;
-};
-
/* Structure for CCDC configuration parameters for raw capture mode passed
* by application
*/
@@ -125,8 +115,6 @@
struct ccdc_black_clamp blk_clamp;
/* Structure for Black Compensation */
struct ccdc_black_compensation blk_comp;
- /* Structure for Fault Pixel Module Configuration */
- struct ccdc_fault_pixel fault_pxl;
};
diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h
index 8e1a4d8..f003533 100644
--- a/include/media/davinci/vpfe_capture.h
+++ b/include/media/davinci/vpfe_capture.h
@@ -183,14 +183,4 @@
};
#endif /* End of __KERNEL__ */
-/**
- * VPFE_CMD_S_CCDC_RAW_PARAMS - EXPERIMENTAL IOCTL to set raw capture params
- * This can be used to configure modules such as defect pixel correction,
- * color space conversion, culling etc. This is an experimental ioctl that
- * will change in future kernels. So use this ioctl with care !
- * TODO: This is to be split into multiple ioctls and also explore the
- * possibility of extending the v4l2 api to include this
- **/
-#define VPFE_CMD_S_CCDC_RAW_PARAMS _IOW('V', BASE_VIDIOC_PRIVATE + 1, \
- void *)
#endif /* _DAVINCI_VPFE_H */
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 6df79e9..f44ff24 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -336,6 +336,16 @@
in6_dev_finish_destroy(idev);
}
+static inline void in6_dev_put_clear(struct inet6_dev **pidev)
+{
+ struct inet6_dev *idev = *pidev;
+
+ if (idev) {
+ in6_dev_put(idev);
+ *pidev = NULL;
+ }
+}
+
static inline void __in6_dev_put(struct inet6_dev *idev)
{
refcount_dec(&idev->refcnt);
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 678e4d6..53b1a2c 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -37,7 +37,7 @@
u32 secid; /* Security ID */
#endif
u32 consumed;
-};
+} __randomize_layout;
#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
diff --git a/include/net/bonding.h b/include/net/bonding.h
index b00508d..b2e6865 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -277,6 +277,11 @@
BOND_MODE(bond) == BOND_MODE_ALB;
}
+static inline bool bond_needs_speed_duplex(const struct bonding *bond)
+{
+ return BOND_MODE(bond) == BOND_MODE_8023AD || bond_is_lb(bond);
+}
+
static inline bool bond_is_nondyn_tlb(const struct bonding *bond)
{
return (BOND_MODE(bond) == BOND_MODE_TLB) &&
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 8ffd434..71c72a9 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -29,18 +29,18 @@
#include <linux/sched/signal.h>
#include <net/ip.h>
-#ifdef CONFIG_NET_RX_BUSY_POLL
-
-struct napi_struct;
-extern unsigned int sysctl_net_busy_read __read_mostly;
-extern unsigned int sysctl_net_busy_poll __read_mostly;
-
/* 0 - Reserved to indicate value not set
* 1..NR_CPUS - Reserved for sender_cpu
* NR_CPUS+1..~0 - Region available for NAPI IDs
*/
#define MIN_NAPI_ID ((unsigned int)(NR_CPUS + 1))
+#ifdef CONFIG_NET_RX_BUSY_POLL
+
+struct napi_struct;
+extern unsigned int sysctl_net_busy_read __read_mostly;
+extern unsigned int sysctl_net_busy_poll __read_mostly;
+
static inline bool net_busy_loop_on(void)
{
return sysctl_net_busy_poll;
diff --git a/include/net/ip.h b/include/net/ip.h
index 821cedc..0cf7f5a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -352,7 +352,7 @@
!forwarding)
return dst_mtu(dst);
- return min(dst->dev->mtu, IP_MAX_MTU);
+ return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU);
}
static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
@@ -364,7 +364,7 @@
return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding);
}
- return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU);
+ return min(READ_ONCE(skb_dst(skb)->dev->mtu), IP_MAX_MTU);
}
u32 ip_idents_reserve(u32 hash, int segs);
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 1a88008..af509f8 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -70,6 +70,7 @@
__u16 fn_flags;
int fn_sernum;
struct rt6_info *rr_ptr;
+ struct rcu_head rcu;
};
#ifndef CONFIG_IPV6_SUBTREES
@@ -104,7 +105,7 @@
* the same cache line.
*/
struct fib6_table *rt6i_table;
- struct fib6_node *rt6i_node;
+ struct fib6_node __rcu *rt6i_node;
struct in6_addr rt6i_gateway;
@@ -167,13 +168,40 @@
rt0->rt6i_flags |= RTF_EXPIRES;
}
+/* Function to safely get fn->sernum for passed in rt
+ * and store result in passed in cookie.
+ * Return true if we can get cookie safely
+ * Return false if not
+ */
+static inline bool rt6_get_cookie_safe(const struct rt6_info *rt,
+ u32 *cookie)
+{
+ struct fib6_node *fn;
+ bool status = false;
+
+ rcu_read_lock();
+ fn = rcu_dereference(rt->rt6i_node);
+
+ if (fn) {
+ *cookie = fn->fn_sernum;
+ status = true;
+ }
+
+ rcu_read_unlock();
+ return status;
+}
+
static inline u32 rt6_get_cookie(const struct rt6_info *rt)
{
+ u32 cookie = 0;
+
if (rt->rt6i_flags & RTF_PCPU ||
(unlikely(!list_empty(&rt->rt6i_uncached)) && rt->dst.from))
rt = (struct rt6_info *)(rt->dst.from);
- return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
+ rt6_get_cookie_safe(rt, &cookie);
+
+ return cookie;
}
static inline void ip6_rt_put(struct rt6_info *rt)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b2b5419..f8149ca 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -5499,6 +5499,21 @@
ieee80211_manage_rx_ba_offl(vif, addr, tid + IEEE80211_NUM_TIDS);
}
+/**
+ * ieee80211_rx_ba_timer_expired - stop a Rx BA session due to timeout
+ *
+ * Some device drivers do not offload AddBa/DelBa negotiation, but handle rx
+ * buffer reording internally, and therefore also handle the session timer.
+ *
+ * Trigger the timeout flow, which sends a DelBa.
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
+ * @addr: station mac address
+ * @tid: the rx tid
+ */
+void ieee80211_rx_ba_timer_expired(struct ieee80211_vif *vif,
+ const u8 *addr, unsigned int tid);
+
/* Rate control API */
/**
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index afc39e3..9816df2 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -156,7 +156,7 @@
struct rcu_head rcu;
struct net_device *dev;
u8 primary_key[0];
-};
+} __randomize_layout;
struct neigh_ops {
int family;
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 31a2b51..1c401bd 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -148,7 +148,7 @@
#endif
struct sock *diag_nlsk;
atomic_t fnhe_genid;
-};
+} __randomize_layout;
#include <linux/seq_file_net.h>
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 0170917..ef8e6c3 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -98,8 +98,8 @@
* nla_put_u8(skb, type, value) add u8 attribute to skb
* nla_put_u16(skb, type, value) add u16 attribute to skb
* nla_put_u32(skb, type, value) add u32 attribute to skb
- * nla_put_u64_64bits(skb, type,
- * value, padattr) add u64 attribute to skb
+ * nla_put_u64_64bit(skb, type,
+ * value, padattr) add u64 attribute to skb
* nla_put_s8(skb, type, value) add s8 attribute to skb
* nla_put_s16(skb, type, value) add s16 attribute to skb
* nla_put_s32(skb, type, value) add s32 attribute to skb
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 1c123e2..c1109cd 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -101,6 +101,13 @@
spinlock_t busylock ____cacheline_aligned_in_smp;
};
+static inline void qdisc_refcount_inc(struct Qdisc *qdisc)
+{
+ if (qdisc->flags & TCQ_F_BUILTIN)
+ return;
+ refcount_inc(&qdisc->refcnt);
+}
+
static inline bool qdisc_is_running(const struct Qdisc *qdisc)
{
return (raw_read_seqcount(&qdisc->running) & 1) ? true : false;
@@ -806,8 +813,11 @@
old = *pold;
*pold = new;
if (old != NULL) {
- qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog);
+ unsigned int qlen = old->q.qlen;
+ unsigned int backlog = old->qstats.backlog;
+
qdisc_reset(old);
+ qdisc_tree_reduce_backlog(old, qlen, backlog);
}
sch_tree_unlock(sch);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index a9519a0..45fd4c6 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -469,6 +469,8 @@
#define _sctp_walk_params(pos, chunk, end, member)\
for (pos.v = chunk->member;\
+ (pos.v + offsetof(struct sctp_paramhdr, length) + sizeof(pos.p->length) <=\
+ (void *)chunk + end) &&\
pos.v <= (void *)chunk + end - ntohs(pos.p->length) &&\
ntohs(pos.p->length) >= sizeof(struct sctp_paramhdr);\
pos.v += SCTP_PAD4(ntohs(pos.p->length)))
@@ -479,6 +481,8 @@
#define _sctp_walk_errors(err, chunk_hdr, end)\
for (err = (sctp_errhdr_t *)((void *)chunk_hdr + \
sizeof(struct sctp_chunkhdr));\
+ ((void *)err + offsetof(sctp_errhdr_t, length) + sizeof(err->length) <=\
+ (void *)chunk_hdr + end) &&\
(void *)err <= (void *)chunk_hdr + end - ntohs(err->length) &&\
ntohs(err->length) >= sizeof(sctp_errhdr_t); \
err = (sctp_errhdr_t *)((void *)err + SCTP_PAD4(ntohs(err->length))))
diff --git a/include/net/sock.h b/include/net/sock.h
index f69c8c2..aeeec62 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -507,9 +507,7 @@
static inline int sk_peek_offset(struct sock *sk, int flags)
{
if (unlikely(flags & MSG_PEEK)) {
- s32 off = READ_ONCE(sk->sk_peek_off);
- if (off >= 0)
- return off;
+ return READ_ONCE(sk->sk_peek_off);
}
return 0;
@@ -1128,7 +1126,7 @@
atomic_t socks;
#endif
int (*diag_destroy)(struct sock *sk, int err);
-};
+} __randomize_layout;
int proto_register(struct proto *prot, int alloc_slab);
void proto_unregister(struct proto *prot);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7048329..f642a39 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1004,9 +1004,7 @@
void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
-int tcp_set_congestion_control(struct sock *sk, const char *name, bool load);
-void tcp_reinit_congestion_control(struct sock *sk,
- const struct tcp_congestion_ops *ca);
+int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit);
u32 tcp_slow_start(struct tcp_sock *tp, u32 acked);
void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked);
@@ -1916,6 +1914,16 @@
u64 xmit_time);
extern void tcp_rack_reo_timeout(struct sock *sk);
+/* At how many usecs into the future should the RTO fire? */
+static inline s64 tcp_rto_delta_us(const struct sock *sk)
+{
+ const struct sk_buff *skb = tcp_write_queue_head(sk);
+ u32 rto = inet_csk(sk)->icsk_rto;
+ u64 rto_time_stamp_us = skb->skb_mstamp + jiffies_to_usecs(rto);
+
+ return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp;
+}
+
/*
* Save and compile IPv4 options, return a pointer to it
*/
diff --git a/include/net/udp.h b/include/net/udp.h
index 972ce4b..626c2d8 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -260,6 +260,7 @@
}
void udp_v4_early_demux(struct sk_buff *skb);
+bool udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst);
int udp_get_port(struct sock *sk, unsigned short snum,
int (*saddr_cmp)(const struct sock *,
const struct sock *));
@@ -305,33 +306,44 @@
/* UDP uses skb->dev_scratch to cache as much information as possible and avoid
* possibly multiple cache miss on dequeue()
*/
-#if BITS_PER_LONG == 64
-
-/* truesize, len and the bit needed to compute skb_csum_unnecessary will be on
- * cold cache lines at recvmsg time.
- * skb->len can be stored on 16 bits since the udp header has been already
- * validated and pulled.
- */
struct udp_dev_scratch {
- u32 truesize;
+ /* skb->truesize and the stateless bit are embedded in a single field;
+ * do not use a bitfield since the compiler emits better/smaller code
+ * this way
+ */
+ u32 _tsize_state;
+
+#if BITS_PER_LONG == 64
+ /* len and the bit needed to compute skb_csum_unnecessary
+ * will be on cold cache lines at recvmsg time.
+ * skb->len can be stored on 16 bits since the udp header has been
+ * already validated and pulled.
+ */
u16 len;
bool is_linear;
bool csum_unnecessary;
+#endif
};
+static inline struct udp_dev_scratch *udp_skb_scratch(struct sk_buff *skb)
+{
+ return (struct udp_dev_scratch *)&skb->dev_scratch;
+}
+
+#if BITS_PER_LONG == 64
static inline unsigned int udp_skb_len(struct sk_buff *skb)
{
- return ((struct udp_dev_scratch *)&skb->dev_scratch)->len;
+ return udp_skb_scratch(skb)->len;
}
static inline bool udp_skb_csum_unnecessary(struct sk_buff *skb)
{
- return ((struct udp_dev_scratch *)&skb->dev_scratch)->csum_unnecessary;
+ return udp_skb_scratch(skb)->csum_unnecessary;
}
static inline bool udp_skb_is_linear(struct sk_buff *skb)
{
- return ((struct udp_dev_scratch *)&skb->dev_scratch)->is_linear;
+ return udp_skb_scratch(skb)->is_linear;
}
#else
@@ -354,12 +366,13 @@
static inline int copy_linear_skb(struct sk_buff *skb, int len, int off,
struct iov_iter *to)
{
- int n, copy = len - off;
+ int n;
- n = copy_to_iter(skb->data + off, copy, to);
- if (n == copy)
+ n = copy_to_iter(skb->data + off, len, to);
+ if (n == len)
return 0;
+ iov_iter_revert(to, n);
return -EFAULT;
}
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 4b34c51..b73a14e 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -205,11 +205,13 @@
dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if);
if (dev) {
ip4 = in_dev_get(dev);
- if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) {
+ if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address)
ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address,
(struct in6_addr *)gid);
+
+ if (ip4)
in_dev_put(ip4);
- }
+
dev_put(dev);
}
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 356953d..88c32ab 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1056,7 +1056,7 @@
IB_QP_CREATE_MANAGED_RECV = 1 << 4,
IB_QP_CREATE_NETIF_QP = 1 << 5,
IB_QP_CREATE_SIGNATURE_EN = 1 << 6,
- IB_QP_CREATE_USE_GFP_NOIO = 1 << 7,
+ /* FREE = 1 << 7, */
IB_QP_CREATE_SCATTER_FCS = 1 << 8,
IB_QP_CREATE_CVLAN_STRIPPING = 1 << 9,
/* reserve bits 26-31 for low level drivers' internal use */
@@ -1683,6 +1683,7 @@
enum ib_qp_type qp_type;
struct ib_rwq_ind_table *rwq_ind_tbl;
struct ib_qp_security *qp_sec;
+ u8 port;
};
struct ib_mr {
@@ -2948,6 +2949,22 @@
struct ib_qp_init_attr *qp_init_attr);
/**
+ * ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
+ * @qp: The QP to modify.
+ * @attr: On input, specifies the QP attributes to modify. On output,
+ * the current values of selected QP attributes are returned.
+ * @attr_mask: A bit-mask used to specify which attributes of the QP
+ * are being modified.
+ * @udata: pointer to user's input output buffer information
+ * are being modified.
+ * It returns 0 on success and returns appropriate error code on error.
+ */
+int ib_modify_qp_with_udata(struct ib_qp *qp,
+ struct ib_qp_attr *attr,
+ int attr_mask,
+ struct ib_udata *udata);
+
+/**
* ib_modify_qp - Modifies the attributes for the specified QP and then
* transitions the QP to the given state.
* @qp: The QP to modify.
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index 4878aaf..55af692 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -229,8 +229,7 @@
* ERR_PTR(err). The driver is free to return NULL or a valid
* pointer.
*/
- void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
- gfp_t gfp);
+ void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp);
/*
* Free the driver's private qp structure.
@@ -319,7 +318,7 @@
/* Let the driver pick the next queue pair number*/
int (*alloc_qpn)(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
- enum ib_qp_type type, u8 port_num, gfp_t gfp);
+ enum ib_qp_type type, u8 port_num);
/* Determine if its safe or allowed to modify the qp */
int (*check_modify_qp)(struct rvt_qp *qp, struct ib_qp_attr *attr,
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index be6472e5..d664d2e 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -647,6 +647,20 @@
return len >> qp->log_pmtu;
}
+/**
+ * rvt_timeout_to_jiffies - Convert a ULP timeout input into jiffies
+ * @timeout - timeout input(0 - 31).
+ *
+ * Return a timeout value in jiffies.
+ */
+static inline unsigned long rvt_timeout_to_jiffies(u8 timeout)
+{
+ if (timeout > 31)
+ timeout = 31;
+
+ return usecs_to_jiffies(1U << timeout) * 4096UL / 1000UL;
+}
+
extern const int ib_rvt_state_ops[];
struct rvt_dev_info;
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a1266d3..6af198d 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -57,6 +57,7 @@
/* for scmd->flags */
#define SCMD_TAGGED (1 << 0)
#define SCMD_UNCHECKED_ISA_DMA (1 << 1)
+#define SCMD_ZONE_WRITE_LOCK (1 << 2)
struct scsi_cmnd {
struct scsi_request req;
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 9c94b97..c4a8b19 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -795,10 +795,6 @@
int (*suspend)(struct snd_soc_component *);
int (*resume)(struct snd_soc_component *);
- /* pcm creation and destruction */
- int (*pcm_new)(struct snd_soc_pcm_runtime *);
- void (*pcm_free)(struct snd_pcm *);
-
/* DT */
int (*of_xlate_dai_name)(struct snd_soc_component *component,
struct of_phandle_args *args,
@@ -874,8 +870,6 @@
void (*remove)(struct snd_soc_component *);
int (*suspend)(struct snd_soc_component *);
int (*resume)(struct snd_soc_component *);
- int (*pcm_new)(struct snd_soc_pcm_runtime *);
- void (*pcm_free)(struct snd_pcm *);
/* machine specific init */
int (*init)(struct snd_soc_component *component);
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index 0ca1fb0..fb87d32 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -786,6 +786,7 @@
int np_sock_type;
enum np_thread_state_table np_thread_state;
bool enabled;
+ atomic_t np_reset_count;
enum iscsi_timer_flags_table np_login_timer_flags;
u32 np_exports;
enum np_flags_table np_flags;
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index dfae175..9c3bc38 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -937,21 +937,19 @@
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
- __field( unsigned int, data_blocks )
- __field( unsigned int, meta_blocks )
+ __field( unsigned int, data_blocks )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
- __entry->meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
),
- TP_printk("dev %d,%d ino %lu data_blocks %u meta_blocks %u",
+ TP_printk("dev %d,%d ino %lu reserved_data_blocks %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
- __entry->data_blocks, __entry->meta_blocks)
+ __entry->data_blocks)
);
TRACE_EVENT(ext4_mballoc_alloc,
@@ -1153,8 +1151,6 @@
__field( __u64, i_blocks )
__field( int, used_blocks )
__field( int, reserved_data_blocks )
- __field( int, reserved_meta_blocks )
- __field( int, allocated_meta_blocks )
__field( int, quota_claim )
__field( __u16, mode )
),
@@ -1166,22 +1162,16 @@
__entry->used_blocks = used_blocks;
__entry->reserved_data_blocks =
EXT4_I(inode)->i_reserved_data_blocks;
- __entry->reserved_meta_blocks =
- EXT4_I(inode)->i_reserved_meta_blocks;
- __entry->allocated_meta_blocks =
- EXT4_I(inode)->i_allocated_meta_blocks;
__entry->quota_claim = quota_claim;
__entry->mode = inode->i_mode;
),
TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu used_blocks %d "
- "reserved_data_blocks %d reserved_meta_blocks %d "
- "allocated_meta_blocks %d quota_claim %d",
+ "reserved_data_blocks %d quota_claim %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->i_blocks,
__entry->used_blocks, __entry->reserved_data_blocks,
- __entry->reserved_meta_blocks, __entry->allocated_meta_blocks,
__entry->quota_claim)
);
@@ -1195,7 +1185,6 @@
__field( ino_t, ino )
__field( __u64, i_blocks )
__field( int, reserved_data_blocks )
- __field( int, reserved_meta_blocks )
__field( __u16, mode )
),
@@ -1204,17 +1193,15 @@
__entry->ino = inode->i_ino;
__entry->i_blocks = inode->i_blocks;
__entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
- __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
__entry->mode = inode->i_mode;
),
TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu "
- "reserved_data_blocks %d reserved_meta_blocks %d",
+ "reserved_data_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->i_blocks,
- __entry->reserved_data_blocks,
- __entry->reserved_meta_blocks)
+ __entry->reserved_data_blocks)
);
TRACE_EVENT(ext4_da_release_space,
@@ -1228,8 +1215,6 @@
__field( __u64, i_blocks )
__field( int, freed_blocks )
__field( int, reserved_data_blocks )
- __field( int, reserved_meta_blocks )
- __field( int, allocated_meta_blocks )
__field( __u16, mode )
),
@@ -1239,19 +1224,15 @@
__entry->i_blocks = inode->i_blocks;
__entry->freed_blocks = freed_blocks;
__entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
- __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
- __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
__entry->mode = inode->i_mode;
),
TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu freed_blocks %d "
- "reserved_data_blocks %d reserved_meta_blocks %d "
- "allocated_meta_blocks %d",
+ "reserved_data_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->i_blocks,
- __entry->freed_blocks, __entry->reserved_data_blocks,
- __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+ __entry->freed_blocks, __entry->reserved_data_blocks)
);
DECLARE_EVENT_CLASS(ext4__bitmap_load,
diff --git a/include/uapi/asm-generic/ioctls.h b/include/uapi/asm-generic/ioctls.h
index 06d5f7d..14baf9f2 100644
--- a/include/uapi/asm-generic/ioctls.h
+++ b/include/uapi/asm-generic/ioctls.h
@@ -77,7 +77,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
-#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define FIONCLEX 0x5450
#define FIOCLEX 0x5451
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 26c54f6..ad4eb28 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -171,7 +171,7 @@
__u32 size; /* in, cmdstream size */
__u32 pad;
__u32 nr_relocs; /* in, number of submit_reloc's */
- __u64 __user relocs; /* in, ptr to array of submit_reloc's */
+ __u64 relocs; /* in, ptr to array of submit_reloc's */
};
/* Each buffer referenced elsewhere in the cmdstream submit (ie. the
@@ -215,8 +215,8 @@
__u32 fence; /* out */
__u32 nr_bos; /* in, number of submit_bo's */
__u32 nr_cmds; /* in, number of submit_cmd's */
- __u64 __user bos; /* in, ptr to array of submit_bo's */
- __u64 __user cmds; /* in, ptr to array of submit_cmd's */
+ __u64 bos; /* in, ptr to array of submit_bo's */
+ __u64 cmds; /* in, ptr to array of submit_cmd's */
__s32 fence_fd; /* in/out fence fd (see MSM_SUBMIT_FENCE_FD_IN/OUT) */
};
diff --git a/include/uapi/linux/loop.h b/include/uapi/linux/loop.h
index a3960f9..c8125ec 100644
--- a/include/uapi/linux/loop.h
+++ b/include/uapi/linux/loop.h
@@ -22,7 +22,6 @@
LO_FLAGS_AUTOCLEAR = 4,
LO_FLAGS_PARTSCAN = 8,
LO_FLAGS_DIRECT_IO = 16,
- LO_FLAGS_BLOCKSIZE = 32,
};
#include <asm/posix_types.h> /* for __kernel_old_dev_t */
@@ -60,8 +59,6 @@
__u64 lo_init[2];
};
-#define LO_INFO_BLOCKSIZE(l) (l)->lo_init[0]
-
/*
* Loop filter types
*/
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 6d3c542..3f03567 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -145,43 +145,6 @@
__u64 cleared;
} __packed;
-struct nd_cmd_trans_spa {
- __u64 spa;
- __u32 status;
- __u8 flags;
- __u8 _reserved[3];
- __u64 trans_length;
- __u32 num_nvdimms;
- struct nd_nvdimm_device {
- __u32 nfit_device_handle;
- __u32 _reserved;
- __u64 dpa;
- } __packed devices[0];
-
-} __packed;
-
-struct nd_cmd_ars_err_inj {
- __u64 err_inj_spa_range_base;
- __u64 err_inj_spa_range_length;
- __u8 err_inj_options;
- __u32 status;
-} __packed;
-
-struct nd_cmd_ars_err_inj_clr {
- __u64 err_inj_clr_spa_range_base;
- __u64 err_inj_clr_spa_range_length;
- __u32 status;
-} __packed;
-
-struct nd_cmd_ars_err_inj_stat {
- __u32 status;
- __u32 inj_err_rec_count;
- struct nd_error_stat_query_record {
- __u64 err_inj_stat_spa_range_base;
- __u64 err_inj_stat_spa_range_length;
- } __packed record[0];
-} __packed;
-
enum {
ND_CMD_IMPLEMENTED = 0,
diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h
index d2314be..a4680a5 100644
--- a/include/uapi/linux/usb/audio.h
+++ b/include/uapi/linux/usb/audio.h
@@ -333,7 +333,7 @@
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bUnitID;
- __u16 wProcessType;
+ __le16 wProcessType;
__u8 bNrInPins;
__u8 baSourceID[];
} __attribute__ ((packed));
@@ -491,8 +491,8 @@
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bFormatType;
- __u16 wMaxBitRate;
- __u16 wSamplesPerFrame;
+ __le16 wMaxBitRate;
+ __le16 wSamplesPerFrame;
__u8 bHeaderLength;
__u8 bSideBandProtocol;
} __attribute__((packed));
diff --git a/include/xen/balloon.h b/include/xen/balloon.h
index d1767df..8906361 100644
--- a/include/xen/balloon.h
+++ b/include/xen/balloon.h
@@ -35,3 +35,11 @@
return -ENOSYS;
}
#endif
+
+#ifdef CONFIG_XEN_BALLOON
+void xen_balloon_init(void);
+#else
+static inline void xen_balloon_init(void)
+{
+}
+#endif
diff --git a/ipc/msg.c b/ipc/msg.c
index 5b25e07..2c38f10 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -1034,7 +1034,8 @@
static int sysvipc_msg_proc_show(struct seq_file *s, void *it)
{
struct user_namespace *user_ns = seq_user_ns(s);
- struct msg_queue *msq = it;
+ struct kern_ipc_perm *ipcp = it;
+ struct msg_queue *msq = container_of(ipcp, struct msg_queue, q_perm);
seq_printf(s,
"%10d %10d %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %10lu %10lu %10lu\n",
diff --git a/ipc/sem.c b/ipc/sem.c
index 9e70cd7..38371e9 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2179,7 +2179,8 @@
static int sysvipc_sem_proc_show(struct seq_file *s, void *it)
{
struct user_namespace *user_ns = seq_user_ns(s);
- struct sem_array *sma = it;
+ struct kern_ipc_perm *ipcp = it;
+ struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
time_t sem_otime;
/*
diff --git a/ipc/shm.c b/ipc/shm.c
index 28a4448..8828b4c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1380,9 +1380,11 @@
static int sysvipc_shm_proc_show(struct seq_file *s, void *it)
{
struct user_namespace *user_ns = seq_user_ns(s);
- struct shmid_kernel *shp = it;
+ struct kern_ipc_perm *ipcp = it;
+ struct shmid_kernel *shp;
unsigned long rss = 0, swp = 0;
+ shp = container_of(ipcp, struct shmid_kernel, shm_perm);
shm_add_rss_swap(shp, &rss, &swp);
#if BITS_PER_LONG <= 32
diff --git a/kernel/audit.c b/kernel/audit.c
index 833267b..6dd5569 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -641,6 +641,7 @@
ac = rcu_dereference(auditd_conn);
if (!ac) {
rcu_read_unlock();
+ kfree_skb(skb);
rc = -ECONNREFUSED;
goto err;
}
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 62d686d..9eb8b35 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -66,7 +66,7 @@
/* fsnotify events we care about. */
#define AUDIT_FS_WATCH (FS_MOVE | FS_CREATE | FS_DELETE | FS_DELETE_SELF |\
- FS_MOVE_SELF | FS_EVENT_ON_CHILD)
+ FS_MOVE_SELF | FS_EVENT_ON_CHILD | FS_UNMOUNT)
static void audit_free_parent(struct audit_parent *parent)
{
@@ -457,13 +457,15 @@
list_del(&krule->rlist);
if (list_empty(&watch->rules)) {
+ /*
+ * audit_remove_watch() drops our reference to 'parent' which
+ * can get freed. Grab our own reference to be safe.
+ */
+ audit_get_parent(parent);
audit_remove_watch(watch);
-
- if (list_empty(&parent->watches)) {
- audit_get_parent(parent);
+ if (list_empty(&parent->watches))
fsnotify_destroy_mark(&parent->mark, audit_watch_group);
- audit_put_parent(parent);
- }
+ audit_put_parent(parent);
}
}
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 4fb4631..d11c818 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -652,12 +652,27 @@
}
}
+static bool fd_htab_map_needs_adjust(const struct bpf_htab *htab)
+{
+ return htab->map.map_type == BPF_MAP_TYPE_HASH_OF_MAPS &&
+ BITS_PER_LONG == 64;
+}
+
+static u32 htab_size_value(const struct bpf_htab *htab, bool percpu)
+{
+ u32 size = htab->map.value_size;
+
+ if (percpu || fd_htab_map_needs_adjust(htab))
+ size = round_up(size, 8);
+ return size;
+}
+
static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key,
void *value, u32 key_size, u32 hash,
bool percpu, bool onallcpus,
struct htab_elem *old_elem)
{
- u32 size = htab->map.value_size;
+ u32 size = htab_size_value(htab, percpu);
bool prealloc = htab_is_prealloc(htab);
struct htab_elem *l_new, **pl_new;
void __percpu *pptr;
@@ -696,9 +711,6 @@
memcpy(l_new->key, key, key_size);
if (percpu) {
- /* round up value_size to 8 bytes */
- size = round_up(size, 8);
-
if (prealloc) {
pptr = htab_elem_get_ptr(l_new, key_size);
} else {
@@ -1209,17 +1221,9 @@
static struct bpf_map *fd_htab_map_alloc(union bpf_attr *attr)
{
- struct bpf_map *map;
-
if (attr->value_size != sizeof(u32))
return ERR_PTR(-EINVAL);
-
- /* pointer is stored internally */
- attr->value_size = sizeof(void *);
- map = htab_map_alloc(attr);
- attr->value_size = sizeof(u32);
-
- return map;
+ return htab_map_alloc(attr);
}
static void fd_htab_map_free(struct bpf_map *map)
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 045646d..6c772ad 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1289,7 +1289,7 @@
info_len = min_t(u32, sizeof(info), info_len);
if (copy_from_user(&info, uinfo, info_len))
- return err;
+ return -EFAULT;
info.type = prog->type;
info.id = prog->aux->id;
@@ -1312,7 +1312,7 @@
}
ulen = info.xlated_prog_len;
- info.xlated_prog_len = bpf_prog_size(prog->len);
+ info.xlated_prog_len = bpf_prog_insn_size(prog);
if (info.xlated_prog_len && ulen) {
uinsns = u64_to_user_ptr(info.xlated_prog_insns);
ulen = min_t(u32, info.xlated_prog_len, ulen);
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 6a86723..664d939 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -504,6 +504,7 @@
{
regs[regno].min_value = BPF_REGISTER_MIN_RANGE;
regs[regno].max_value = BPF_REGISTER_MAX_RANGE;
+ regs[regno].value_from_signed = false;
regs[regno].min_align = 0;
}
@@ -777,12 +778,13 @@
return -EACCES;
}
-static bool is_pointer_value(struct bpf_verifier_env *env, int regno)
+static bool __is_pointer_value(bool allow_ptr_leaks,
+ const struct bpf_reg_state *reg)
{
- if (env->allow_ptr_leaks)
+ if (allow_ptr_leaks)
return false;
- switch (env->cur_state.regs[regno].type) {
+ switch (reg->type) {
case UNKNOWN_VALUE:
case CONST_IMM:
return false;
@@ -791,6 +793,11 @@
}
}
+static bool is_pointer_value(struct bpf_verifier_env *env, int regno)
+{
+ return __is_pointer_value(env->allow_ptr_leaks, &env->cur_state.regs[regno]);
+}
+
static int check_pkt_ptr_alignment(const struct bpf_reg_state *reg,
int off, int size, bool strict)
{
@@ -1832,10 +1839,24 @@
dst_align = dst_reg->min_align;
/* We don't know anything about what was done to this register, mark it
- * as unknown.
+ * as unknown. Also, if both derived bounds came from signed/unsigned
+ * mixed compares and one side is unbounded, we cannot really do anything
+ * with them as boundaries cannot be trusted. Thus, arithmetic of two
+ * regs of such kind will get invalidated bounds on the dst side.
*/
- if (min_val == BPF_REGISTER_MIN_RANGE &&
- max_val == BPF_REGISTER_MAX_RANGE) {
+ if ((min_val == BPF_REGISTER_MIN_RANGE &&
+ max_val == BPF_REGISTER_MAX_RANGE) ||
+ (BPF_SRC(insn->code) == BPF_X &&
+ ((min_val != BPF_REGISTER_MIN_RANGE &&
+ max_val == BPF_REGISTER_MAX_RANGE) ||
+ (min_val == BPF_REGISTER_MIN_RANGE &&
+ max_val != BPF_REGISTER_MAX_RANGE) ||
+ (dst_reg->min_value != BPF_REGISTER_MIN_RANGE &&
+ dst_reg->max_value == BPF_REGISTER_MAX_RANGE) ||
+ (dst_reg->min_value == BPF_REGISTER_MIN_RANGE &&
+ dst_reg->max_value != BPF_REGISTER_MAX_RANGE)) &&
+ regs[insn->dst_reg].value_from_signed !=
+ regs[insn->src_reg].value_from_signed)) {
reset_reg_range_values(regs, insn->dst_reg);
return;
}
@@ -1844,10 +1865,12 @@
* do our normal operations to the register, we need to set the values
* to the min/max since they are undefined.
*/
- if (min_val == BPF_REGISTER_MIN_RANGE)
- dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
- if (max_val == BPF_REGISTER_MAX_RANGE)
- dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
+ if (opcode != BPF_SUB) {
+ if (min_val == BPF_REGISTER_MIN_RANGE)
+ dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
+ if (max_val == BPF_REGISTER_MAX_RANGE)
+ dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
+ }
switch (opcode) {
case BPF_ADD:
@@ -1858,10 +1881,17 @@
dst_reg->min_align = min(src_align, dst_align);
break;
case BPF_SUB:
+ /* If one of our values was at the end of our ranges, then the
+ * _opposite_ value in the dst_reg goes to the end of our range.
+ */
+ if (min_val == BPF_REGISTER_MIN_RANGE)
+ dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
+ if (max_val == BPF_REGISTER_MAX_RANGE)
+ dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
if (dst_reg->min_value != BPF_REGISTER_MIN_RANGE)
- dst_reg->min_value -= min_val;
+ dst_reg->min_value -= max_val;
if (dst_reg->max_value != BPF_REGISTER_MAX_RANGE)
- dst_reg->max_value -= max_val;
+ dst_reg->max_value -= min_val;
dst_reg->min_align = min(src_align, dst_align);
break;
case BPF_MUL:
@@ -2023,6 +2053,7 @@
regs[insn->dst_reg].max_value = insn->imm;
regs[insn->dst_reg].min_value = insn->imm;
regs[insn->dst_reg].min_align = calc_align(insn->imm);
+ regs[insn->dst_reg].value_from_signed = false;
}
} else if (opcode > BPF_END) {
@@ -2198,40 +2229,63 @@
struct bpf_reg_state *false_reg, u64 val,
u8 opcode)
{
+ bool value_from_signed = true;
+ bool is_range = true;
+
switch (opcode) {
case BPF_JEQ:
/* If this is false then we know nothing Jon Snow, but if it is
* true then we know for sure.
*/
true_reg->max_value = true_reg->min_value = val;
+ is_range = false;
break;
case BPF_JNE:
/* If this is true we know nothing Jon Snow, but if it is false
* we know the value for sure;
*/
false_reg->max_value = false_reg->min_value = val;
+ is_range = false;
break;
case BPF_JGT:
- /* Unsigned comparison, the minimum value is 0. */
- false_reg->min_value = 0;
+ value_from_signed = false;
/* fallthrough */
case BPF_JSGT:
+ if (true_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(true_reg, 0);
+ if (false_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(false_reg, 0);
+ if (opcode == BPF_JGT) {
+ /* Unsigned comparison, the minimum value is 0. */
+ false_reg->min_value = 0;
+ }
/* If this is false then we know the maximum val is val,
* otherwise we know the min val is val+1.
*/
false_reg->max_value = val;
+ false_reg->value_from_signed = value_from_signed;
true_reg->min_value = val + 1;
+ true_reg->value_from_signed = value_from_signed;
break;
case BPF_JGE:
- /* Unsigned comparison, the minimum value is 0. */
- false_reg->min_value = 0;
+ value_from_signed = false;
/* fallthrough */
case BPF_JSGE:
+ if (true_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(true_reg, 0);
+ if (false_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(false_reg, 0);
+ if (opcode == BPF_JGE) {
+ /* Unsigned comparison, the minimum value is 0. */
+ false_reg->min_value = 0;
+ }
/* If this is false then we know the maximum value is val - 1,
* otherwise we know the mimimum value is val.
*/
false_reg->max_value = val - 1;
+ false_reg->value_from_signed = value_from_signed;
true_reg->min_value = val;
+ true_reg->value_from_signed = value_from_signed;
break;
default:
break;
@@ -2239,6 +2293,12 @@
check_reg_overflow(false_reg);
check_reg_overflow(true_reg);
+ if (is_range) {
+ if (__is_pointer_value(false, false_reg))
+ reset_reg_range_values(false_reg, 0);
+ if (__is_pointer_value(false, true_reg))
+ reset_reg_range_values(true_reg, 0);
+ }
}
/* Same as above, but for the case that dst_reg is a CONST_IMM reg and src_reg
@@ -2248,41 +2308,64 @@
struct bpf_reg_state *false_reg, u64 val,
u8 opcode)
{
+ bool value_from_signed = true;
+ bool is_range = true;
+
switch (opcode) {
case BPF_JEQ:
/* If this is false then we know nothing Jon Snow, but if it is
* true then we know for sure.
*/
true_reg->max_value = true_reg->min_value = val;
+ is_range = false;
break;
case BPF_JNE:
/* If this is true we know nothing Jon Snow, but if it is false
* we know the value for sure;
*/
false_reg->max_value = false_reg->min_value = val;
+ is_range = false;
break;
case BPF_JGT:
- /* Unsigned comparison, the minimum value is 0. */
- true_reg->min_value = 0;
+ value_from_signed = false;
/* fallthrough */
case BPF_JSGT:
+ if (true_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(true_reg, 0);
+ if (false_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(false_reg, 0);
+ if (opcode == BPF_JGT) {
+ /* Unsigned comparison, the minimum value is 0. */
+ true_reg->min_value = 0;
+ }
/*
* If this is false, then the val is <= the register, if it is
* true the register <= to the val.
*/
false_reg->min_value = val;
+ false_reg->value_from_signed = value_from_signed;
true_reg->max_value = val - 1;
+ true_reg->value_from_signed = value_from_signed;
break;
case BPF_JGE:
- /* Unsigned comparison, the minimum value is 0. */
- true_reg->min_value = 0;
+ value_from_signed = false;
/* fallthrough */
case BPF_JSGE:
+ if (true_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(true_reg, 0);
+ if (false_reg->value_from_signed != value_from_signed)
+ reset_reg_range_values(false_reg, 0);
+ if (opcode == BPF_JGE) {
+ /* Unsigned comparison, the minimum value is 0. */
+ true_reg->min_value = 0;
+ }
/* If this is false then constant < register, if it is true then
* the register < constant.
*/
false_reg->min_value = val + 1;
+ false_reg->value_from_signed = value_from_signed;
true_reg->max_value = val;
+ true_reg->value_from_signed = value_from_signed;
break;
default:
break;
@@ -2290,6 +2373,12 @@
check_reg_overflow(false_reg);
check_reg_overflow(true_reg);
+ if (is_range) {
+ if (__is_pointer_value(false, false_reg))
+ reset_reg_range_values(false_reg, 0);
+ if (__is_pointer_value(false, true_reg))
+ reset_reg_range_values(true_reg, 0);
+ }
}
static void mark_map_reg(struct bpf_reg_state *regs, u32 regno, u32 id,
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index 793565c..8b4c3c2 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -33,6 +33,9 @@
struct list_head src_csets;
struct list_head dst_csets;
+ /* the number of tasks in the set */
+ int nr_tasks;
+
/* the subsys currently being processed */
int ssid;
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 620794a..df2e0f1 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2006,6 +2006,8 @@
if (!cset->mg_src_cgrp)
return;
+ mgctx->tset.nr_tasks++;
+
list_move_tail(&task->cg_list, &cset->mg_tasks);
if (list_empty(&cset->mg_node))
list_add_tail(&cset->mg_node,
@@ -2094,21 +2096,19 @@
struct css_set *cset, *tmp_cset;
int ssid, failed_ssid, ret;
- /* methods shouldn't be called if no task is actually migrating */
- if (list_empty(&tset->src_csets))
- return 0;
-
/* check that we can legitimately attach to the cgroup */
- do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
- if (ss->can_attach) {
- tset->ssid = ssid;
- ret = ss->can_attach(tset);
- if (ret) {
- failed_ssid = ssid;
- goto out_cancel_attach;
+ if (tset->nr_tasks) {
+ do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
+ if (ss->can_attach) {
+ tset->ssid = ssid;
+ ret = ss->can_attach(tset);
+ if (ret) {
+ failed_ssid = ssid;
+ goto out_cancel_attach;
+ }
}
- }
- } while_each_subsys_mask();
+ } while_each_subsys_mask();
+ }
/*
* Now that we're guaranteed success, proceed to move all tasks to
@@ -2137,25 +2137,29 @@
*/
tset->csets = &tset->dst_csets;
- do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
- if (ss->attach) {
- tset->ssid = ssid;
- ss->attach(tset);
- }
- } while_each_subsys_mask();
+ if (tset->nr_tasks) {
+ do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
+ if (ss->attach) {
+ tset->ssid = ssid;
+ ss->attach(tset);
+ }
+ } while_each_subsys_mask();
+ }
ret = 0;
goto out_release_tset;
out_cancel_attach:
- do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
- if (ssid == failed_ssid)
- break;
- if (ss->cancel_attach) {
- tset->ssid = ssid;
- ss->cancel_attach(tset);
- }
- } while_each_subsys_mask();
+ if (tset->nr_tasks) {
+ do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
+ if (ssid == failed_ssid)
+ break;
+ if (ss->cancel_attach) {
+ tset->ssid = ssid;
+ ss->cancel_attach(tset);
+ }
+ } while_each_subsys_mask();
+ }
out_release_tset:
spin_lock_irq(&css_set_lock);
list_splice_init(&tset->dst_csets, &tset->src_csets);
@@ -2997,11 +3001,11 @@
cgrp->subtree_control &= ~disable;
ret = cgroup_apply_control(cgrp);
-
cgroup_finalize_control(cgrp, ret);
+ if (ret)
+ goto out_unlock;
kernfs_activate(cgrp->kn);
- ret = 0;
out_unlock:
cgroup_kn_unlock(of->kn);
return ret ?: nbytes;
@@ -4669,6 +4673,10 @@
if (ss->bind)
ss->bind(init_css_set.subsys[ssid]);
+
+ mutex_lock(&cgroup_mutex);
+ css_populate_dir(init_css_set.subsys[ssid]);
+ mutex_unlock(&cgroup_mutex);
}
/* init_css_set.subsys[] has been updated, re-hash */
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index ca8376e..87a1213 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -63,6 +63,7 @@
#include <linux/cgroup.h>
#include <linux/wait.h>
+DEFINE_STATIC_KEY_FALSE(cpusets_pre_enable_key);
DEFINE_STATIC_KEY_FALSE(cpusets_enabled_key);
/* See "Frequency meter" comments, below. */
@@ -1891,6 +1892,7 @@
{
.name = "memory_pressure",
.read_u64 = cpuset_read_u64,
+ .private = FILE_MEMORY_PRESSURE,
},
{
diff --git a/kernel/cpu.c b/kernel/cpu.c
index ab86045..eee0331 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -279,7 +279,8 @@
/* Wait for the CPU to reach CPUHP_AP_ONLINE_IDLE */
wait_for_completion(&st->done);
- BUG_ON(!cpu_online(cpu));
+ if (WARN_ON_ONCE((!cpu_online(cpu))))
+ return -ECANCELED;
/* Unpark the stopper thread and the hotplug thread of the target cpu */
stop_machine_unpark(cpu);
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
index 009cc9a..67b02e1 100644
--- a/kernel/cpu_pm.c
+++ b/kernel/cpu_pm.c
@@ -22,15 +22,21 @@
#include <linux/spinlock.h>
#include <linux/syscore_ops.h>
-static DEFINE_RWLOCK(cpu_pm_notifier_lock);
-static RAW_NOTIFIER_HEAD(cpu_pm_notifier_chain);
+static ATOMIC_NOTIFIER_HEAD(cpu_pm_notifier_chain);
static int cpu_pm_notify(enum cpu_pm_event event, int nr_to_call, int *nr_calls)
{
int ret;
- ret = __raw_notifier_call_chain(&cpu_pm_notifier_chain, event, NULL,
+ /*
+ * __atomic_notifier_call_chain has a RCU read critical section, which
+ * could be disfunctional in cpu idle. Copy RCU_NONIDLE code to let
+ * RCU know this.
+ */
+ rcu_irq_enter_irqson();
+ ret = __atomic_notifier_call_chain(&cpu_pm_notifier_chain, event, NULL,
nr_to_call, nr_calls);
+ rcu_irq_exit_irqson();
return notifier_to_errno(ret);
}
@@ -47,14 +53,7 @@
*/
int cpu_pm_register_notifier(struct notifier_block *nb)
{
- unsigned long flags;
- int ret;
-
- write_lock_irqsave(&cpu_pm_notifier_lock, flags);
- ret = raw_notifier_chain_register(&cpu_pm_notifier_chain, nb);
- write_unlock_irqrestore(&cpu_pm_notifier_lock, flags);
-
- return ret;
+ return atomic_notifier_chain_register(&cpu_pm_notifier_chain, nb);
}
EXPORT_SYMBOL_GPL(cpu_pm_register_notifier);
@@ -69,14 +68,7 @@
*/
int cpu_pm_unregister_notifier(struct notifier_block *nb)
{
- unsigned long flags;
- int ret;
-
- write_lock_irqsave(&cpu_pm_notifier_lock, flags);
- ret = raw_notifier_chain_unregister(&cpu_pm_notifier_chain, nb);
- write_unlock_irqrestore(&cpu_pm_notifier_lock, flags);
-
- return ret;
+ return atomic_notifier_chain_unregister(&cpu_pm_notifier_chain, nb);
}
EXPORT_SYMBOL_GPL(cpu_pm_unregister_notifier);
@@ -100,7 +92,6 @@
int nr_calls;
int ret = 0;
- read_lock(&cpu_pm_notifier_lock);
ret = cpu_pm_notify(CPU_PM_ENTER, -1, &nr_calls);
if (ret)
/*
@@ -108,7 +99,6 @@
* PM entry who are notified earlier to prepare for it.
*/
cpu_pm_notify(CPU_PM_ENTER_FAILED, nr_calls - 1, NULL);
- read_unlock(&cpu_pm_notifier_lock);
return ret;
}
@@ -128,13 +118,7 @@
*/
int cpu_pm_exit(void)
{
- int ret;
-
- read_lock(&cpu_pm_notifier_lock);
- ret = cpu_pm_notify(CPU_PM_EXIT, -1, NULL);
- read_unlock(&cpu_pm_notifier_lock);
-
- return ret;
+ return cpu_pm_notify(CPU_PM_EXIT, -1, NULL);
}
EXPORT_SYMBOL_GPL(cpu_pm_exit);
@@ -159,7 +143,6 @@
int nr_calls;
int ret = 0;
- read_lock(&cpu_pm_notifier_lock);
ret = cpu_pm_notify(CPU_CLUSTER_PM_ENTER, -1, &nr_calls);
if (ret)
/*
@@ -167,7 +150,6 @@
* PM entry who are notified earlier to prepare for it.
*/
cpu_pm_notify(CPU_CLUSTER_PM_ENTER_FAILED, nr_calls - 1, NULL);
- read_unlock(&cpu_pm_notifier_lock);
return ret;
}
@@ -190,13 +172,7 @@
*/
int cpu_cluster_pm_exit(void)
{
- int ret;
-
- read_lock(&cpu_pm_notifier_lock);
- ret = cpu_pm_notify(CPU_CLUSTER_PM_EXIT, -1, NULL);
- read_unlock(&cpu_pm_notifier_lock);
-
- return ret;
+ return cpu_pm_notify(CPU_CLUSTER_PM_EXIT, -1, NULL);
}
EXPORT_SYMBOL_GPL(cpu_cluster_pm_exit);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 1538df9..03ac9c8 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1452,6 +1452,13 @@
lockdep_assert_held(&ctx->lock);
+ /*
+ * It's 'group type', really, because if our group leader is
+ * pinned, so are we.
+ */
+ if (event->group_leader != event)
+ event = event->group_leader;
+
event_type = event->attr.pinned ? EVENT_PINNED : EVENT_FLEXIBLE;
if (!ctx->task)
event_type |= EVENT_CPU;
@@ -2210,6 +2217,33 @@
return can_add_hw;
}
+/*
+ * Complement to update_event_times(). This computes the tstamp_* values to
+ * continue 'enabled' state from @now, and effectively discards the time
+ * between the prior tstamp_stopped and now (as we were in the OFF state, or
+ * just switched (context) time base).
+ *
+ * This further assumes '@event->state == INACTIVE' (we just came from OFF) and
+ * cannot have been scheduled in yet. And going into INACTIVE state means
+ * '@event->tstamp_stopped = @now'.
+ *
+ * Thus given the rules of update_event_times():
+ *
+ * total_time_enabled = tstamp_stopped - tstamp_enabled
+ * total_time_running = tstamp_stopped - tstamp_running
+ *
+ * We can insert 'tstamp_stopped == now' and reverse them to compute new
+ * tstamp_* values.
+ */
+static void __perf_event_enable_time(struct perf_event *event, u64 now)
+{
+ WARN_ON_ONCE(event->state != PERF_EVENT_STATE_INACTIVE);
+
+ event->tstamp_stopped = now;
+ event->tstamp_enabled = now - event->total_time_enabled;
+ event->tstamp_running = now - event->total_time_running;
+}
+
static void add_event_to_ctx(struct perf_event *event,
struct perf_event_context *ctx)
{
@@ -2217,9 +2251,12 @@
list_add_event(event, ctx);
perf_group_attach(event);
- event->tstamp_enabled = tstamp;
- event->tstamp_running = tstamp;
- event->tstamp_stopped = tstamp;
+ /*
+ * We can be called with event->state == STATE_OFF when we create with
+ * .disabled = 1. In that case the IOC_ENABLE will call this function.
+ */
+ if (event->state == PERF_EVENT_STATE_INACTIVE)
+ __perf_event_enable_time(event, tstamp);
}
static void ctx_sched_out(struct perf_event_context *ctx,
@@ -2464,10 +2501,11 @@
u64 tstamp = perf_event_time(event);
event->state = PERF_EVENT_STATE_INACTIVE;
- event->tstamp_enabled = tstamp - event->total_time_enabled;
+ __perf_event_enable_time(event, tstamp);
list_for_each_entry(sub, &event->sibling_list, group_entry) {
+ /* XXX should not be > INACTIVE if event isn't */
if (sub->state >= PERF_EVENT_STATE_INACTIVE)
- sub->tstamp_enabled = tstamp - sub->total_time_enabled;
+ __perf_event_enable_time(sub, tstamp);
}
}
@@ -4378,7 +4416,9 @@
static int __perf_read_group_add(struct perf_event *leader,
u64 read_format, u64 *values)
{
+ struct perf_event_context *ctx = leader->ctx;
struct perf_event *sub;
+ unsigned long flags;
int n = 1; /* skip @nr */
int ret;
@@ -4408,12 +4448,15 @@
if (read_format & PERF_FORMAT_ID)
values[n++] = primary_event_id(leader);
+ raw_spin_lock_irqsave(&ctx->lock, flags);
+
list_for_each_entry(sub, &leader->sibling_list, group_entry) {
values[n++] += perf_event_count(sub);
if (read_format & PERF_FORMAT_ID)
values[n++] = primary_event_id(sub);
}
+ raw_spin_unlock_irqrestore(&ctx->lock, flags);
return 0;
}
@@ -5078,7 +5121,7 @@
atomic_inc(&event->rb->aux_mmap_count);
if (event->pmu->event_mapped)
- event->pmu->event_mapped(event);
+ event->pmu->event_mapped(event, vma->vm_mm);
}
static void perf_pmu_output_stop(struct perf_event *event);
@@ -5101,7 +5144,7 @@
unsigned long size = perf_data_size(rb);
if (event->pmu->event_unmapped)
- event->pmu->event_unmapped(event);
+ event->pmu->event_unmapped(event, vma->vm_mm);
/*
* rb->aux_mmap_count will always drop before rb->mmap_count and
@@ -5399,7 +5442,7 @@
vma->vm_ops = &perf_mmap_vmops;
if (event->pmu->event_mapped)
- event->pmu->event_mapped(event);
+ event->pmu->event_mapped(event, vma->vm_mm);
return ret;
}
@@ -7321,21 +7364,6 @@
return __perf_event_account_interrupt(event, 1);
}
-static bool sample_is_allowed(struct perf_event *event, struct pt_regs *regs)
-{
- /*
- * Due to interrupt latency (AKA "skid"), we may enter the
- * kernel before taking an overflow, even if the PMU is only
- * counting user events.
- * To avoid leaking information to userspace, we must always
- * reject kernel samples when exclude_kernel is set.
- */
- if (event->attr.exclude_kernel && !user_mode(regs))
- return false;
-
- return true;
-}
-
/*
* Generic event overflow handling, sampling.
*/
@@ -7357,12 +7385,6 @@
ret = __perf_event_account_interrupt(event, throttle);
/*
- * For security, drop the skid kernel samples if necessary.
- */
- if (!sample_is_allowed(event, regs))
- return ret;
-
- /*
* XXX event_limit might not quite work as expected on inherited
* events
*/
@@ -7884,16 +7906,15 @@
}
}
perf_tp_event(call->event.type, count, raw_data, size, regs, head,
- rctx, task);
+ rctx, task, NULL);
}
EXPORT_SYMBOL_GPL(perf_trace_run_bpf_submit);
void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size,
struct pt_regs *regs, struct hlist_head *head, int rctx,
- struct task_struct *task)
+ struct task_struct *task, struct perf_event *event)
{
struct perf_sample_data data;
- struct perf_event *event;
struct perf_raw_record raw = {
.frag = {
@@ -7907,9 +7928,15 @@
perf_trace_buf_update(record, event_type);
- hlist_for_each_entry_rcu(event, head, hlist_entry) {
+ /* Use the given event instead of the hlist */
+ if (event) {
if (perf_tp_event_match(event, &data, regs))
perf_swevent_event(event, count, &data, regs);
+ } else {
+ hlist_for_each_entry_rcu(event, head, hlist_entry) {
+ if (perf_tp_event_match(event, &data, regs))
+ perf_swevent_event(event, count, &data, regs);
+ }
}
/*
@@ -9589,6 +9616,8 @@
if (ret)
return -EFAULT;
+ attr->size = size;
+
if (attr->__reserved_1)
return -EINVAL;
@@ -10010,28 +10039,27 @@
goto err_context;
/*
- * Do not allow to attach to a group in a different
- * task or CPU context:
+ * Make sure we're both events for the same CPU;
+ * grouping events for different CPUs is broken; since
+ * you can never concurrently schedule them anyhow.
*/
- if (move_group) {
- /*
- * Make sure we're both on the same task, or both
- * per-cpu events.
- */
- if (group_leader->ctx->task != ctx->task)
- goto err_context;
+ if (group_leader->cpu != event->cpu)
+ goto err_context;
- /*
- * Make sure we're both events for the same CPU;
- * grouping events for different CPUs is broken; since
- * you can never concurrently schedule them anyhow.
- */
- if (group_leader->cpu != event->cpu)
- goto err_context;
- } else {
- if (group_leader->ctx != ctx)
- goto err_context;
- }
+ /*
+ * Make sure we're both on the same task, or both
+ * per-CPU events.
+ */
+ if (group_leader->ctx->task != ctx->task)
+ goto err_context;
+
+ /*
+ * Do not allow to attach to a group in a different task
+ * or CPU context. If we're moving SW events, we'll fix
+ * this up later, so allow that.
+ */
+ if (!move_group && group_leader->ctx != ctx)
+ goto err_context;
/*
* Only a group leader can be exclusive or pinned
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 0e137f9..267f6ef 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1262,8 +1262,6 @@
void uprobe_dup_mmap(struct mm_struct *oldmm, struct mm_struct *newmm)
{
- newmm->uprobes_state.xol_area = NULL;
-
if (test_bit(MMF_HAS_UPROBES, &oldmm->flags)) {
set_bit(MMF_HAS_UPROBES, &newmm->flags);
/* unconditionally, dup_mmap() skips VM_DONTCOPY vmas */
diff --git a/kernel/fork.c b/kernel/fork.c
index 17921b0..b7e9e57 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -785,6 +785,13 @@
#endif
}
+static void mm_init_uprobes_state(struct mm_struct *mm)
+{
+#ifdef CONFIG_UPROBES
+ mm->uprobes_state.xol_area = NULL;
+#endif
+}
+
static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
struct user_namespace *user_ns)
{
@@ -806,11 +813,13 @@
mm_init_cpumask(mm);
mm_init_aio(mm);
mm_init_owner(mm, p);
+ RCU_INIT_POINTER(mm->exe_file, NULL);
mmu_notifier_mm_init(mm);
- clear_tlb_flush_pending(mm);
+ init_tlb_flush_pending(mm);
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
mm->pmd_huge_pte = NULL;
#endif
+ mm_init_uprobes_state(mm);
if (current->mm) {
mm->flags = current->mm->flags & MMF_INIT_MASK;
diff --git a/kernel/futex.c b/kernel/futex.c
index c934689..f50b434 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -212,7 +212,7 @@
atomic_t refcount;
union futex_key key;
-};
+} __randomize_layout;
/**
* struct futex_q - The hashed futex queue entry, one per waiting task
@@ -246,7 +246,7 @@
struct rt_mutex_waiter *rt_waiter;
union futex_key *requeue_pi_key;
u32 bitset;
-};
+} __randomize_layout;
static const struct futex_q futex_q_init = {
/* list gets initialized in queue_me()*/
@@ -670,13 +670,14 @@
* this reference was taken by ihold under the page lock
* pinning the inode in place so i_lock was unnecessary. The
* only way for this check to fail is if the inode was
- * truncated in parallel so warn for now if this happens.
+ * truncated in parallel which is almost certainly an
+ * application bug. In such a case, just retry.
*
* We are not calling into get_futex_key_refs() in file-backed
* cases, therefore a successful atomic_inc return below will
* guarantee that get_futex_key() will still imply smp_mb(); (B).
*/
- if (WARN_ON_ONCE(!atomic_inc_not_zero(&inode->i_count))) {
+ if (!atomic_inc_not_zero(&inode->i_count)) {
rcu_read_unlock();
put_page(page);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index d171bc5..3675c60 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -170,21 +170,11 @@
irqd_clear(&desc->irq_data, IRQD_IRQ_DISABLED);
}
-static void irq_state_set_disabled(struct irq_desc *desc)
-{
- irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
-}
-
static void irq_state_clr_masked(struct irq_desc *desc)
{
irqd_clear(&desc->irq_data, IRQD_IRQ_MASKED);
}
-static void irq_state_set_masked(struct irq_desc *desc)
-{
- irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
-}
-
static void irq_state_clr_started(struct irq_desc *desc)
{
irqd_clear(&desc->irq_data, IRQD_IRQ_STARTED);
@@ -1010,7 +1000,7 @@
void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
- unsigned long flags;
+ unsigned long flags, trigger, tmp;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
if (!desc)
@@ -1024,6 +1014,8 @@
irq_settings_clr_and_set(desc, clr, set);
+ trigger = irqd_get_trigger_type(&desc->irq_data);
+
irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
if (irq_settings_has_no_balance_set(desc))
@@ -1035,7 +1027,11 @@
if (irq_settings_is_level(desc))
irqd_set(&desc->irq_data, IRQD_LEVEL);
- irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));
+ tmp = irq_settings_get_trigger_mask(desc);
+ if (tmp != IRQ_TYPE_NONE)
+ trigger = tmp;
+
+ irqd_set(&desc->irq_data, trigger);
irq_put_desc_unlock(desc, flags);
}
diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
index aee8f7e..638eb9c 100644
--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -95,8 +95,13 @@
affinity = cpu_online_mask;
brokeaff = true;
}
-
- err = irq_do_set_affinity(d, affinity, true);
+ /*
+ * Do not set the force argument of irq_do_set_affinity() as this
+ * disables the masking of offline CPUs from the supplied affinity
+ * mask and therefore might keep/reassign the irq to the outgoing
+ * CPU.
+ */
+ err = irq_do_set_affinity(d, affinity, false);
if (err) {
pr_warn_ratelimited("IRQ%u: set affinity failed(%d).\n",
d->irq, err);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index dbfba99..a2c4805 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -227,6 +227,16 @@
return __irqd_to_state(d) & mask;
}
+static inline void irq_state_set_disabled(struct irq_desc *desc)
+{
+ irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
+}
+
+static inline void irq_state_set_masked(struct irq_desc *desc)
+{
+ irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
+}
+
#undef __irqd_to_state
static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc)
diff --git a/kernel/irq/ipi.c b/kernel/irq/ipi.c
index 1a9abc1..259a22a 100644
--- a/kernel/irq/ipi.c
+++ b/kernel/irq/ipi.c
@@ -165,7 +165,7 @@
struct irq_data *data = irq_get_irq_data(irq);
struct cpumask *ipimask = data ? irq_data_get_affinity_mask(data) : NULL;
- if (!data || !ipimask || cpu > nr_cpu_ids)
+ if (!data || !ipimask || cpu >= nr_cpu_ids)
return INVALID_HWIRQ;
if (!cpumask_test_cpu(cpu, ipimask))
@@ -195,7 +195,7 @@
if (!chip->ipi_send_single && !chip->ipi_send_mask)
return -EINVAL;
- if (cpu > nr_cpu_ids)
+ if (cpu >= nr_cpu_ids)
return -EINVAL;
if (dest) {
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5624b2d..1d1a5b9 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1090,6 +1090,16 @@
/*
* Internal function to register an irqaction - typically used to
* allocate special interrupts that are part of the architecture.
+ *
+ * Locking rules:
+ *
+ * desc->request_mutex Provides serialization against a concurrent free_irq()
+ * chip_bus_lock Provides serialization for slow bus operations
+ * desc->lock Provides serialization against hard interrupts
+ *
+ * chip_bus_lock and desc->lock are sufficient for all other management and
+ * interrupt related functions. desc->request_mutex solely serializes
+ * request/free_irq().
*/
static int
__setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
@@ -1167,20 +1177,35 @@
if (desc->irq_data.chip->flags & IRQCHIP_ONESHOT_SAFE)
new->flags &= ~IRQF_ONESHOT;
+ /*
+ * Protects against a concurrent __free_irq() call which might wait
+ * for synchronize_irq() to complete without holding the optional
+ * chip bus lock and desc->lock.
+ */
mutex_lock(&desc->request_mutex);
+
+ /*
+ * Acquire bus lock as the irq_request_resources() callback below
+ * might rely on the serialization or the magic power management
+ * functions which are abusing the irq_bus_lock() callback,
+ */
+ chip_bus_lock(desc);
+
+ /* First installed action requests resources. */
if (!desc->action) {
ret = irq_request_resources(desc);
if (ret) {
pr_err("Failed to request resources for %s (irq %d) on irqchip %s\n",
new->name, irq, desc->irq_data.chip->name);
- goto out_mutex;
+ goto out_bus_unlock;
}
}
- chip_bus_lock(desc);
-
/*
* The following block of code has to be executed atomically
+ * protected against a concurrent interrupt and any of the other
+ * management calls which are not serialized via
+ * desc->request_mutex or the optional bus lock.
*/
raw_spin_lock_irqsave(&desc->lock, flags);
old_ptr = &desc->action;
@@ -1286,10 +1311,8 @@
ret = __irq_set_trigger(desc,
new->flags & IRQF_TRIGGER_MASK);
- if (ret) {
- irq_release_resources(desc);
+ if (ret)
goto out_unlock;
- }
}
desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
@@ -1385,12 +1408,10 @@
out_unlock:
raw_spin_unlock_irqrestore(&desc->lock, flags);
- chip_bus_sync_unlock(desc);
-
if (!desc->action)
irq_release_resources(desc);
-
-out_mutex:
+out_bus_unlock:
+ chip_bus_sync_unlock(desc);
mutex_unlock(&desc->request_mutex);
out_thread:
@@ -1472,6 +1493,7 @@
WARN(1, "Trying to free already-free IRQ %d\n", irq);
raw_spin_unlock_irqrestore(&desc->lock, flags);
chip_bus_sync_unlock(desc);
+ mutex_unlock(&desc->request_mutex);
return NULL;
}
@@ -1498,6 +1520,20 @@
#endif
raw_spin_unlock_irqrestore(&desc->lock, flags);
+ /*
+ * Drop bus_lock here so the changes which were done in the chip
+ * callbacks above are synced out to the irq chips which hang
+ * behind a slow bus (I2C, SPI) before calling synchronize_irq().
+ *
+ * Aside of that the bus_lock can also be taken from the threaded
+ * handler in irq_finalize_oneshot() which results in a deadlock
+ * because synchronize_irq() would wait forever for the thread to
+ * complete, which is blocked on the bus lock.
+ *
+ * The still held desc->request_mutex() protects against a
+ * concurrent request_irq() of this irq so the release of resources
+ * and timing data is properly serialized.
+ */
chip_bus_sync_unlock(desc);
unregister_handler_proc(irq, action);
@@ -1530,8 +1566,15 @@
}
}
+ /* Last action releases resources */
if (!desc->action) {
+ /*
+ * Reaquire bus lock as irq_release_resources() might
+ * require it to deallocate resources over the slow bus.
+ */
+ chip_bus_lock(desc);
irq_release_resources(desc);
+ chip_bus_sync_unlock(desc);
irq_remove_timings(desc);
}
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index cea1de0..6bd9b58 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -149,6 +149,8 @@
/* Pretend that it got disabled ! */
desc->depth++;
+ irq_state_set_disabled(desc);
+ irq_state_set_masked(desc);
resume:
desc->istate &= ~IRQS_SUSPENDED;
__enable_irq(desc);
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 6d016c5..2f37acd 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -71,6 +71,18 @@
static DECLARE_WAIT_QUEUE_HEAD(kmod_wq);
/*
+ * This is a restriction on having *all* MAX_KMOD_CONCURRENT threads
+ * running at the same time without returning. When this happens we
+ * believe you've somehow ended up with a recursive module dependency
+ * creating a loop.
+ *
+ * We have no option but to fail.
+ *
+ * Userspace should proactively try to detect and prevent these.
+ */
+#define MAX_KMOD_ALL_BUSY_TIMEOUT 5
+
+/*
modprobe_path is set via /proc/sys.
*/
char modprobe_path[KMOD_PATH_LEN] = "/sbin/modprobe";
@@ -167,8 +179,17 @@
pr_warn_ratelimited("request_module: kmod_concurrent_max (%u) close to 0 (max_modprobes: %u), for module %s, throttling...",
atomic_read(&kmod_concurrent_max),
MAX_KMOD_CONCURRENT, module_name);
- wait_event_interruptible(kmod_wq,
- atomic_dec_if_positive(&kmod_concurrent_max) >= 0);
+ ret = wait_event_killable_timeout(kmod_wq,
+ atomic_dec_if_positive(&kmod_concurrent_max) >= 0,
+ MAX_KMOD_ALL_BUSY_TIMEOUT * HZ);
+ if (!ret) {
+ pr_warn_ratelimited("request_module: modprobe %s cannot be processed, kmod busy with %d threads for more than %d seconds now",
+ module_name, MAX_KMOD_CONCURRENT, MAX_KMOD_ALL_BUSY_TIMEOUT);
+ return -ETIME;
+ } else if (ret == -ERESTARTSYS) {
+ pr_warn_ratelimited("request_module: sigkill sent for modprobe %s, giving up", module_name);
+ return ret;
+ }
}
trace_module_request(module_name, wait, _RET_IP_);
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 26db528..1c19edf 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -637,6 +637,7 @@
schedule();
try_to_freeze();
+ cond_resched();
goto repeat;
}
EXPORT_SYMBOL_GPL(kthread_worker_fn);
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 7806989..649dc9d 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -963,7 +963,6 @@
return -EDEADLK;
raw_spin_lock(&task->pi_lock);
- rt_mutex_adjust_prio(task);
waiter->task = task;
waiter->lock = lock;
waiter->prio = task->prio;
diff --git a/kernel/pid.c b/kernel/pid.c
index 731c4e5..020dedb 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -527,8 +527,11 @@
if (!ns)
ns = task_active_pid_ns(current);
if (likely(pid_alive(task))) {
- if (type != PIDTYPE_PID)
+ if (type != PIDTYPE_PID) {
+ if (type == __PIDTYPE_TGID)
+ type = PIDTYPE_PID;
task = task->group_leader;
+ }
nr = pid_nr_ns(rcu_dereference(task->pids[type].pid), ns);
}
rcu_read_unlock();
@@ -537,12 +540,6 @@
}
EXPORT_SYMBOL(__task_pid_nr_ns);
-pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
-{
- return pid_nr_ns(task_tgid(tsk), ns);
-}
-EXPORT_SYMBOL(task_tgid_nr_ns);
-
struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
{
return ns_of_pid(task_pid(tsk));
@@ -575,13 +572,10 @@
*/
void __init pidhash_init(void)
{
- unsigned int pidhash_size;
-
pid_hash = alloc_large_system_hash("PID", sizeof(*pid_hash), 0, 18,
HASH_EARLY | HASH_SMALL | HASH_ZERO,
&pidhash_shift, NULL,
0, 4096);
- pidhash_size = 1U << pidhash_shift;
}
void __init pidmap_init(void)
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 22231772..0972a8e 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1650,7 +1650,7 @@
{
unsigned long size;
- size = global_page_state(NR_SLAB_RECLAIMABLE)
+ size = global_node_page_state(NR_SLAB_RECLAIMABLE)
+ global_node_page_state(NR_ACTIVE_ANON)
+ global_node_page_state(NR_INACTIVE_ANON)
+ global_node_page_state(NR_ACTIVE_FILE)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 17c667b..0869b20 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2069,7 +2069,7 @@
/**
* try_to_wake_up_local - try to wake up a local task with rq lock held
* @p: the thread to be awakened
- * @cookie: context's cookie for pinning
+ * @rf: request-queue flags for pinning
*
* Put @p on the run-queue if it's not already there. The caller must
* ensure that this_rq() is locked, @p is bound to this_rq() and not
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 29a3970..9209d83 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -52,9 +52,11 @@
struct sugov_cpu {
struct update_util_data update_util;
struct sugov_policy *sg_policy;
+ unsigned int cpu;
- unsigned long iowait_boost;
- unsigned long iowait_boost_max;
+ bool iowait_boost_pending;
+ unsigned int iowait_boost;
+ unsigned int iowait_boost_max;
u64 last_update;
/* The fields below are only needed when sharing a policy. */
@@ -76,6 +78,26 @@
{
s64 delta_ns;
+ /*
+ * Since cpufreq_update_util() is called with rq->lock held for
+ * the @target_cpu, our per-cpu data is fully serialized.
+ *
+ * However, drivers cannot in general deal with cross-cpu
+ * requests, so while get_next_freq() will work, our
+ * sugov_update_commit() call may not for the fast switching platforms.
+ *
+ * Hence stop here for remote requests if they aren't supported
+ * by the hardware, as calculating the frequency is pointless if
+ * we cannot in fact act on it.
+ *
+ * For the slow switching platforms, the kthread is always scheduled on
+ * the right set of CPUs and any CPU can find the next frequency and
+ * schedule the kthread.
+ */
+ if (sg_policy->policy->fast_switch_enabled &&
+ !cpufreq_can_do_remote_dvfs(sg_policy->policy))
+ return false;
+
if (sg_policy->work_in_progress)
return false;
@@ -106,7 +128,7 @@
if (policy->fast_switch_enabled) {
next_freq = cpufreq_driver_fast_switch(policy, next_freq);
- if (next_freq == CPUFREQ_ENTRY_INVALID)
+ if (!next_freq)
return;
policy->cur = next_freq;
@@ -154,12 +176,12 @@
return cpufreq_driver_resolve_freq(policy, freq);
}
-static void sugov_get_util(unsigned long *util, unsigned long *max)
+static void sugov_get_util(unsigned long *util, unsigned long *max, int cpu)
{
- struct rq *rq = this_rq();
+ struct rq *rq = cpu_rq(cpu);
unsigned long cfs_max;
- cfs_max = arch_scale_cpu_capacity(NULL, smp_processor_id());
+ cfs_max = arch_scale_cpu_capacity(NULL, cpu);
*util = min(rq->cfs.avg.util_avg, cfs_max);
*max = cfs_max;
@@ -169,30 +191,54 @@
unsigned int flags)
{
if (flags & SCHED_CPUFREQ_IOWAIT) {
- sg_cpu->iowait_boost = sg_cpu->iowait_boost_max;
+ if (sg_cpu->iowait_boost_pending)
+ return;
+
+ sg_cpu->iowait_boost_pending = true;
+
+ if (sg_cpu->iowait_boost) {
+ sg_cpu->iowait_boost <<= 1;
+ if (sg_cpu->iowait_boost > sg_cpu->iowait_boost_max)
+ sg_cpu->iowait_boost = sg_cpu->iowait_boost_max;
+ } else {
+ sg_cpu->iowait_boost = sg_cpu->sg_policy->policy->min;
+ }
} else if (sg_cpu->iowait_boost) {
s64 delta_ns = time - sg_cpu->last_update;
/* Clear iowait_boost if the CPU apprears to have been idle. */
- if (delta_ns > TICK_NSEC)
+ if (delta_ns > TICK_NSEC) {
sg_cpu->iowait_boost = 0;
+ sg_cpu->iowait_boost_pending = false;
+ }
}
}
static void sugov_iowait_boost(struct sugov_cpu *sg_cpu, unsigned long *util,
unsigned long *max)
{
- unsigned long boost_util = sg_cpu->iowait_boost;
- unsigned long boost_max = sg_cpu->iowait_boost_max;
+ unsigned int boost_util, boost_max;
- if (!boost_util)
+ if (!sg_cpu->iowait_boost)
return;
+ if (sg_cpu->iowait_boost_pending) {
+ sg_cpu->iowait_boost_pending = false;
+ } else {
+ sg_cpu->iowait_boost >>= 1;
+ if (sg_cpu->iowait_boost < sg_cpu->sg_policy->policy->min) {
+ sg_cpu->iowait_boost = 0;
+ return;
+ }
+ }
+
+ boost_util = sg_cpu->iowait_boost;
+ boost_max = sg_cpu->iowait_boost_max;
+
if (*util * boost_max < *max * boost_util) {
*util = boost_util;
*max = boost_max;
}
- sg_cpu->iowait_boost >>= 1;
}
#ifdef CONFIG_NO_HZ_COMMON
@@ -229,7 +275,7 @@
if (flags & SCHED_CPUFREQ_RT_DL) {
next_f = policy->cpuinfo.max_freq;
} else {
- sugov_get_util(&util, &max);
+ sugov_get_util(&util, &max, sg_cpu->cpu);
sugov_iowait_boost(sg_cpu, &util, &max);
next_f = get_next_freq(sg_policy, util, max);
/*
@@ -264,6 +310,7 @@
delta_ns = time - j_sg_cpu->last_update;
if (delta_ns > TICK_NSEC) {
j_sg_cpu->iowait_boost = 0;
+ j_sg_cpu->iowait_boost_pending = false;
continue;
}
if (j_sg_cpu->flags & SCHED_CPUFREQ_RT_DL)
@@ -290,7 +337,7 @@
unsigned long util, max;
unsigned int next_f;
- sugov_get_util(&util, &max);
+ sugov_get_util(&util, &max, sg_cpu->cpu);
raw_spin_lock(&sg_policy->update_lock);
@@ -445,7 +492,11 @@
}
sg_policy->thread = thread;
- kthread_bind_mask(thread, policy->related_cpus);
+
+ /* Kthread is bound to all CPUs by default */
+ if (!policy->dvfs_possible_from_any_cpu)
+ kthread_bind_mask(thread, policy->related_cpus);
+
init_irq_work(&sg_policy->irq_work, sugov_irq_work);
mutex_init(&sg_policy->work_lock);
@@ -528,16 +579,7 @@
goto stop_kthread;
}
- if (policy->transition_delay_us) {
- tunables->rate_limit_us = policy->transition_delay_us;
- } else {
- unsigned int lat;
-
- tunables->rate_limit_us = LATENCY_MULTIPLIER;
- lat = policy->cpuinfo.transition_latency / NSEC_PER_USEC;
- if (lat)
- tunables->rate_limit_us *= lat;
- }
+ tunables->rate_limit_us = cpufreq_policy_transition_delay_us(policy);
policy->governor_data = sg_policy;
sg_policy->tunables = tunables;
@@ -655,6 +697,7 @@
static struct cpufreq_governor schedutil_gov = {
.name = "schedutil",
.owner = THIS_MODULE,
+ .dynamic_switching = true,
.init = sugov_init,
.exit = sugov_exit,
.start = sugov_start,
@@ -671,6 +714,11 @@
static int __init sugov_register(void)
{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ per_cpu(sugov_cpu, cpu).cpu = cpu;
+
return cpufreq_register_governor(&schedutil_gov);
}
fs_initcall(sugov_register);
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 6e3ea4a..14d2dbf 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -683,7 +683,7 @@
{
unsigned long long clock;
- clock = sched_clock_cpu(smp_processor_id());
+ clock = sched_clock();
if (clock < vtime->starttime)
return 0;
@@ -814,7 +814,7 @@
write_seqcount_begin(&vtime->seqcount);
vtime->state = VTIME_SYS;
- vtime->starttime = sched_clock_cpu(smp_processor_id());
+ vtime->starttime = sched_clock();
write_seqcount_end(&vtime->seqcount);
}
@@ -826,7 +826,7 @@
local_irq_save(flags);
write_seqcount_begin(&vtime->seqcount);
vtime->state = VTIME_SYS;
- vtime->starttime = sched_clock_cpu(cpu);
+ vtime->starttime = sched_clock();
write_seqcount_end(&vtime->seqcount);
local_irq_restore(flags);
}
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index a84299f..5c3bf4b 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1136,7 +1136,7 @@
}
/* kick cpufreq (see the comment in kernel/sched/sched.h). */
- cpufreq_update_this_cpu(rq, SCHED_CPUFREQ_DL);
+ cpufreq_update_util(rq, SCHED_CPUFREQ_DL);
schedstat_set(curr->se.statistics.exec_max,
max(curr->se.statistics.exec_max, delta_exec));
@@ -1392,17 +1392,19 @@
struct sched_dl_entity *pi_se = &p->dl;
/*
- * Use the scheduling parameters of the top pi-waiter
- * task if we have one and its (absolute) deadline is
- * smaller than our one... OTW we keep our runtime and
- * deadline.
+ * Use the scheduling parameters of the top pi-waiter task if:
+ * - we have a top pi-waiter which is a SCHED_DEADLINE task AND
+ * - our dl_boosted is set (i.e. the pi-waiter's (absolute) deadline is
+ * smaller than our deadline OR we are a !SCHED_DEADLINE task getting
+ * boosted due to a SCHED_DEADLINE pi-waiter).
+ * Otherwise we keep our runtime and deadline.
*/
- if (pi_task && p->dl.dl_boosted && dl_prio(pi_task->normal_prio)) {
+ if (pi_task && dl_prio(pi_task->normal_prio) && p->dl.dl_boosted) {
pi_se = &pi_task->dl;
} else if (!dl_prio(p->normal_prio)) {
/*
* Special case in which we have a !SCHED_DEADLINE task
- * that is going to be deboosted, but exceedes its
+ * that is going to be deboosted, but exceeds its
* runtime while doing so. No point in replenishing
* it, as it's going to return back to its original
* scheduling class after this.
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c95880e..d378d02 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3278,7 +3278,9 @@
static inline void cfs_rq_util_change(struct cfs_rq *cfs_rq)
{
- if (&this_rq()->cfs == cfs_rq) {
+ struct rq *rq = rq_of(cfs_rq);
+
+ if (&rq->cfs == cfs_rq) {
/*
* There are a few boundary cases this might miss but it should
* get called often enough that that should (hopefully) not be
@@ -3295,7 +3297,7 @@
*
* See cpu_util().
*/
- cpufreq_update_util(rq_of(cfs_rq), 0);
+ cpufreq_update_util(rq, 0);
}
}
@@ -4875,7 +4877,7 @@
* passed.
*/
if (p->in_iowait)
- cpufreq_update_this_cpu(rq, SCHED_CPUFREQ_IOWAIT);
+ cpufreq_update_util(rq, SCHED_CPUFREQ_IOWAIT);
for_each_sched_entity(se) {
if (se->on_rq)
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 45caf93..0af5ca9 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -970,7 +970,7 @@
return;
/* Kick cpufreq (see the comment in kernel/sched/sched.h). */
- cpufreq_update_this_cpu(rq, SCHED_CPUFREQ_RT);
+ cpufreq_update_util(rq, SCHED_CPUFREQ_RT);
schedstat_set(curr->se.statistics.exec_max,
max(curr->se.statistics.exec_max, delta_exec));
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index eeef1a3..aa9d5b8 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2070,19 +2070,13 @@
{
struct update_util_data *data;
- data = rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data));
+ data = rcu_dereference_sched(*per_cpu_ptr(&cpufreq_update_util_data,
+ cpu_of(rq)));
if (data)
data->func(data, rq_clock(rq), flags);
}
-
-static inline void cpufreq_update_this_cpu(struct rq *rq, unsigned int flags)
-{
- if (cpu_of(rq) == smp_processor_id())
- cpufreq_update_util(rq, flags);
-}
#else
static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) {}
-static inline void cpufreq_update_this_cpu(struct rq *rq, unsigned int flags) {}
#endif /* CONFIG_CPU_FREQ */
#ifdef arch_scale_freq_capacity
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 17f11c6..d6afed6 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -70,9 +70,10 @@
list_for_each_entry_safe(curr, next, &wq_head->head, entry) {
unsigned flags = curr->flags;
-
- if (curr->func(curr, mode, wake_flags, key) &&
- (flags & WQ_FLAG_EXCLUSIVE) && !--nr_exclusive)
+ int ret = curr->func(curr, mode, wake_flags, key);
+ if (ret < 0)
+ break;
+ if (ret && (flags & WQ_FLAG_EXCLUSIVE) && !--nr_exclusive)
break;
}
}
diff --git a/kernel/signal.c b/kernel/signal.c
index caed913..ed804a4 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1194,7 +1194,11 @@
recalc_sigpending_and_wake(t);
}
}
- if (action->sa.sa_handler == SIG_DFL)
+ /*
+ * Don't clear SIGNAL_UNKILLABLE for traced tasks, users won't expect
+ * debugging to leave init killable.
+ */
+ if (action->sa.sa_handler == SIG_DFL && !t->ptrace)
t->signal->flags &= ~SIGNAL_UNKILLABLE;
ret = specific_send_sig_info(sig, info, t);
spin_unlock_irqrestore(&t->sighand->siglock, flags);
@@ -3303,12 +3307,15 @@
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set32)
{
+#ifdef __BIG_ENDIAN
sigset_t set;
- int err = do_sigpending(&set, sizeof(old_sigset_t));
- if (err == 0)
- if (copy_to_user(set32, &set, sizeof(old_sigset_t)))
- err = -EFAULT;
+ int err = do_sigpending(&set, sizeof(set.sig[0]));
+ if (!err)
+ err = put_user(set.sig[0], set32);
return err;
+#else
+ return sys_rt_sigpending((sigset_t __user *)set32, sizeof(*set32));
+#endif
}
#endif
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index cedafa0..7e7e61c 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -637,9 +637,7 @@
tk->ktime_sec = seconds;
/* Update the monotonic raw base */
- seconds = tk->raw_sec;
- nsec = (u32)(tk->tkr_raw.xtime_nsec >> tk->tkr_raw.shift);
- tk->tkr_raw.base = ns_to_ktime(seconds * NSEC_PER_SEC + nsec);
+ tk->tkr_raw.base = ns_to_ktime(tk->raw_sec * NSEC_PER_SEC);
}
/* must hold timekeeper_lock */
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 71ce3f4..f2674a0 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -203,6 +203,7 @@
bool migration_enabled;
bool nohz_active;
bool is_idle;
+ bool must_forward_clk;
DECLARE_BITMAP(pending_map, WHEEL_SIZE);
struct hlist_head vectors[WHEEL_SIZE];
} ____cacheline_aligned;
@@ -856,13 +857,19 @@
static inline void forward_timer_base(struct timer_base *base)
{
- unsigned long jnow = READ_ONCE(jiffies);
+ unsigned long jnow;
/*
- * We only forward the base when it's idle and we have a delta between
- * base clock and jiffies.
+ * We only forward the base when we are idle or have just come out of
+ * idle (must_forward_clk logic), and have a delta between base clock
+ * and jiffies. In the common case, run_timers will take care of it.
*/
- if (!base->is_idle || (long) (jnow - base->clk) < 2)
+ if (likely(!base->must_forward_clk))
+ return;
+
+ jnow = READ_ONCE(jiffies);
+ base->must_forward_clk = base->is_idle;
+ if ((long)(jnow - base->clk) < 2)
return;
/*
@@ -938,6 +945,11 @@
* same array bucket then just return:
*/
if (timer_pending(timer)) {
+ /*
+ * The downside of this optimization is that it can result in
+ * larger granularity than you would get from adding a new
+ * timer with this expiry.
+ */
if (timer->expires == expires)
return 1;
@@ -948,6 +960,7 @@
* dequeue/enqueue dance.
*/
base = lock_timer_base(timer, &flags);
+ forward_timer_base(base);
clk = base->clk;
idx = calc_wheel_index(expires, clk);
@@ -964,6 +977,7 @@
}
} else {
base = lock_timer_base(timer, &flags);
+ forward_timer_base(base);
}
ret = detach_if_pending(timer, base, false);
@@ -991,12 +1005,10 @@
raw_spin_lock(&base->lock);
WRITE_ONCE(timer->flags,
(timer->flags & ~TIMER_BASEMASK) | base->cpu);
+ forward_timer_base(base);
}
}
- /* Try to forward a stale timer base clock */
- forward_timer_base(base);
-
timer->expires = expires;
/*
* If 'idx' was calculated above and the base time did not advance
@@ -1112,6 +1124,7 @@
WRITE_ONCE(timer->flags,
(timer->flags & ~TIMER_BASEMASK) | cpu);
}
+ forward_timer_base(base);
debug_activate(timer, timer->expires);
internal_add_timer(base, timer);
@@ -1495,12 +1508,18 @@
base->is_idle = false;
} else {
if (!is_max_delta)
- expires = basem + (nextevt - basej) * TICK_NSEC;
+ expires = basem + (u64)(nextevt - basej) * TICK_NSEC;
/*
- * If we expect to sleep more than a tick, mark the base idle:
+ * If we expect to sleep more than a tick, mark the base idle.
+ * Also the tick is stopped so any added timer must forward
+ * the base clk itself to keep granularity small. This idle
+ * logic is only maintained for the BASE_STD base, deferrable
+ * timers may still see large granularity skew (by design).
*/
- if ((expires - basem) > TICK_NSEC)
+ if ((expires - basem) > TICK_NSEC) {
+ base->must_forward_clk = true;
base->is_idle = true;
+ }
}
raw_spin_unlock(&base->lock);
@@ -1611,6 +1630,19 @@
{
struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]);
+ /*
+ * must_forward_clk must be cleared before running timers so that any
+ * timer functions that call mod_timer will not try to forward the
+ * base. idle trcking / clock forwarding logic is only used with
+ * BASE_STD timers.
+ *
+ * The deferrable base does not do idle tracking at all, so we do
+ * not forward it. This can result in very large variations in
+ * granularity for deferrable timers, but they can be deferred for
+ * long periods due to idle.
+ */
+ base->must_forward_clk = false;
+
__run_timers(base);
if (IS_ENABLED(CONFIG_NO_HZ_COMMON) && base->nohz_active)
__run_timers(this_cpu_ptr(&timer_bases[BASE_DEF]));
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 3738519..dc498b6 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -204,10 +204,36 @@
fmt_cnt++;
}
- return __trace_printk(1/* fake ip will not be printed */, fmt,
- mod[0] == 2 ? arg1 : mod[0] == 1 ? (long) arg1 : (u32) arg1,
- mod[1] == 2 ? arg2 : mod[1] == 1 ? (long) arg2 : (u32) arg2,
- mod[2] == 2 ? arg3 : mod[2] == 1 ? (long) arg3 : (u32) arg3);
+/* Horrid workaround for getting va_list handling working with different
+ * argument type combinations generically for 32 and 64 bit archs.
+ */
+#define __BPF_TP_EMIT() __BPF_ARG3_TP()
+#define __BPF_TP(...) \
+ __trace_printk(1 /* Fake ip will not be printed. */, \
+ fmt, ##__VA_ARGS__)
+
+#define __BPF_ARG1_TP(...) \
+ ((mod[0] == 2 || (mod[0] == 1 && __BITS_PER_LONG == 64)) \
+ ? __BPF_TP(arg1, ##__VA_ARGS__) \
+ : ((mod[0] == 1 || (mod[0] == 0 && __BITS_PER_LONG == 32)) \
+ ? __BPF_TP((long)arg1, ##__VA_ARGS__) \
+ : __BPF_TP((u32)arg1, ##__VA_ARGS__)))
+
+#define __BPF_ARG2_TP(...) \
+ ((mod[1] == 2 || (mod[1] == 1 && __BITS_PER_LONG == 64)) \
+ ? __BPF_ARG1_TP(arg2, ##__VA_ARGS__) \
+ : ((mod[1] == 1 || (mod[1] == 0 && __BITS_PER_LONG == 32)) \
+ ? __BPF_ARG1_TP((long)arg2, ##__VA_ARGS__) \
+ : __BPF_ARG1_TP((u32)arg2, ##__VA_ARGS__)))
+
+#define __BPF_ARG3_TP(...) \
+ ((mod[2] == 2 || (mod[2] == 1 && __BITS_PER_LONG == 64)) \
+ ? __BPF_ARG2_TP(arg3, ##__VA_ARGS__) \
+ : ((mod[2] == 1 || (mod[2] == 0 && __BITS_PER_LONG == 32)) \
+ ? __BPF_ARG2_TP((long)arg3, ##__VA_ARGS__) \
+ : __BPF_ARG2_TP((u32)arg3, ##__VA_ARGS__)))
+
+ return __BPF_TP_EMIT();
}
static const struct bpf_func_proto bpf_trace_printk_proto = {
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 53f6b64..96cea88 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -113,7 +113,7 @@
static DEFINE_MUTEX(ftrace_lock);
-static struct ftrace_ops *ftrace_ops_list __read_mostly = &ftrace_list_end;
+static struct ftrace_ops __rcu *ftrace_ops_list __read_mostly = &ftrace_list_end;
ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub;
static struct ftrace_ops global_ops;
@@ -169,8 +169,11 @@
mutex_lock(&ftrace_lock);
- for (ops = ftrace_ops_list;
- ops != &ftrace_list_end; ops = ops->next)
+ for (ops = rcu_dereference_protected(ftrace_ops_list,
+ lockdep_is_held(&ftrace_lock));
+ ops != &ftrace_list_end;
+ ops = rcu_dereference_protected(ops->next,
+ lockdep_is_held(&ftrace_lock)))
cnt++;
mutex_unlock(&ftrace_lock);
@@ -275,10 +278,11 @@
* If there's only one ftrace_ops registered, the ftrace_ops_list
* will point to the ops we want.
*/
- set_function_trace_op = ftrace_ops_list;
+ set_function_trace_op = rcu_dereference_protected(ftrace_ops_list,
+ lockdep_is_held(&ftrace_lock));
/* If there's no ftrace_ops registered, just call the stub function */
- if (ftrace_ops_list == &ftrace_list_end) {
+ if (set_function_trace_op == &ftrace_list_end) {
func = ftrace_stub;
/*
@@ -286,7 +290,8 @@
* recursion safe and not dynamic and the arch supports passing ops,
* then have the mcount trampoline call the function directly.
*/
- } else if (ftrace_ops_list->next == &ftrace_list_end) {
+ } else if (rcu_dereference_protected(ftrace_ops_list->next,
+ lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) {
func = ftrace_ops_get_list_func(ftrace_ops_list);
} else {
@@ -348,9 +353,11 @@
return ftrace_trace_function == ftrace_ops_list_func;
}
-static void add_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops)
+static void add_ftrace_ops(struct ftrace_ops __rcu **list,
+ struct ftrace_ops *ops)
{
- ops->next = *list;
+ rcu_assign_pointer(ops->next, *list);
+
/*
* We are entering ops into the list but another
* CPU might be walking that list. We need to make sure
@@ -360,7 +367,8 @@
rcu_assign_pointer(*list, ops);
}
-static int remove_ftrace_ops(struct ftrace_ops **list, struct ftrace_ops *ops)
+static int remove_ftrace_ops(struct ftrace_ops __rcu **list,
+ struct ftrace_ops *ops)
{
struct ftrace_ops **p;
@@ -368,7 +376,10 @@
* If we are removing the last function, then simply point
* to the ftrace_stub.
*/
- if (*list == ops && ops->next == &ftrace_list_end) {
+ if (rcu_dereference_protected(*list,
+ lockdep_is_held(&ftrace_lock)) == ops &&
+ rcu_dereference_protected(ops->next,
+ lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) {
*list = &ftrace_list_end;
return 0;
}
@@ -878,6 +889,10 @@
function_profile_call(trace->func, 0, NULL, NULL);
+ /* If function graph is shutting down, ret_stack can be NULL */
+ if (!current->ret_stack)
+ return 0;
+
if (index >= 0 && index < FTRACE_RETFUNC_DEPTH)
current->ret_stack[index].subtime = 0;
@@ -1569,8 +1584,8 @@
return 0;
#endif
- hash.filter_hash = rcu_dereference_raw_notrace(ops->func_hash->filter_hash);
- hash.notrace_hash = rcu_dereference_raw_notrace(ops->func_hash->notrace_hash);
+ rcu_assign_pointer(hash.filter_hash, ops->func_hash->filter_hash);
+ rcu_assign_pointer(hash.notrace_hash, ops->func_hash->notrace_hash);
if (hash_contains_ip(ip, &hash))
ret = 1;
@@ -2840,7 +2855,8 @@
* If there's no more ops registered with ftrace, run a
* sanity check to make sure all rec flags are cleared.
*/
- if (ftrace_ops_list == &ftrace_list_end) {
+ if (rcu_dereference_protected(ftrace_ops_list,
+ lockdep_is_held(&ftrace_lock)) == &ftrace_list_end) {
struct ftrace_page *pg;
struct dyn_ftrace *rec;
@@ -6453,7 +6469,8 @@
if (ftrace_enabled) {
/* we are starting ftrace again */
- if (ftrace_ops_list != &ftrace_list_end)
+ if (rcu_dereference_protected(ftrace_ops_list,
+ lockdep_is_held(&ftrace_lock)) != &ftrace_list_end)
update_ftrace_function();
ftrace_startup_sysctl();
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 4ae268e..81279c6 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1136,12 +1136,12 @@
for (i = 0; i < nr_pages; i++) {
struct page *page;
/*
- * __GFP_NORETRY flag makes sure that the allocation fails
- * gracefully without invoking oom-killer and the system is
- * not destabilized.
+ * __GFP_RETRY_MAYFAIL flag makes sure that the allocation fails
+ * gracefully without invoking oom-killer and the system is not
+ * destabilized.
*/
bpage = kzalloc_node(ALIGN(sizeof(*bpage), cache_line_size()),
- GFP_KERNEL | __GFP_NORETRY,
+ GFP_KERNEL | __GFP_RETRY_MAYFAIL,
cpu_to_node(cpu));
if (!bpage)
goto free_pages;
@@ -1149,7 +1149,7 @@
list_add(&bpage->list, pages);
page = alloc_pages_node(cpu_to_node(cpu),
- GFP_KERNEL | __GFP_NORETRY, 0);
+ GFP_KERNEL | __GFP_RETRY_MAYFAIL, 0);
if (!page)
goto free_pages;
bpage->page = page_address(page);
@@ -4386,15 +4386,19 @@
* the page that was allocated, with the read page of the buffer.
*
* Returns:
- * The page allocated, or NULL on error.
+ * The page allocated, or ERR_PTR
*/
void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu)
{
- struct ring_buffer_per_cpu *cpu_buffer = buffer->buffers[cpu];
+ struct ring_buffer_per_cpu *cpu_buffer;
struct buffer_data_page *bpage = NULL;
unsigned long flags;
struct page *page;
+ if (!cpumask_test_cpu(cpu, buffer->cpumask))
+ return ERR_PTR(-ENODEV);
+
+ cpu_buffer = buffer->buffers[cpu];
local_irq_save(flags);
arch_spin_lock(&cpu_buffer->lock);
@@ -4412,7 +4416,7 @@
page = alloc_pages_node(cpu_to_node(cpu),
GFP_KERNEL | __GFP_NORETRY, 0);
if (!page)
- return NULL;
+ return ERR_PTR(-ENOMEM);
bpage = page_address(page);
@@ -4467,8 +4471,8 @@
*
* for example:
* rpage = ring_buffer_alloc_read_page(buffer, cpu);
- * if (!rpage)
- * return error;
+ * if (IS_ERR(rpage))
+ * return PTR_ERR(rpage);
* ret = ring_buffer_read_page(buffer, &rpage, len, cpu, 0);
* if (ret >= 0)
* process_page(rpage, ret);
diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c
index 9fbcaf5..68ee79a 100644
--- a/kernel/trace/ring_buffer_benchmark.c
+++ b/kernel/trace/ring_buffer_benchmark.c
@@ -113,7 +113,7 @@
int i;
bpage = ring_buffer_alloc_read_page(buffer, cpu);
- if (!bpage)
+ if (IS_ERR(bpage))
return EVENT_DROPPED;
ret = ring_buffer_read_page(buffer, &bpage, PAGE_SIZE, cpu, 1);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2d0ffcc..44004d8 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6598,7 +6598,7 @@
{
struct ftrace_buffer_info *info = filp->private_data;
struct trace_iterator *iter = &info->iter;
- ssize_t ret;
+ ssize_t ret = 0;
ssize_t size;
if (!count)
@@ -6612,10 +6612,15 @@
if (!info->spare) {
info->spare = ring_buffer_alloc_read_page(iter->trace_buffer->buffer,
iter->cpu_file);
- info->spare_cpu = iter->cpu_file;
+ if (IS_ERR(info->spare)) {
+ ret = PTR_ERR(info->spare);
+ info->spare = NULL;
+ } else {
+ info->spare_cpu = iter->cpu_file;
+ }
}
if (!info->spare)
- return -ENOMEM;
+ return ret;
/* Do we have previous read data to read? */
if (info->read < PAGE_SIZE)
@@ -6790,8 +6795,9 @@
ref->ref = 1;
ref->buffer = iter->trace_buffer->buffer;
ref->page = ring_buffer_alloc_read_page(ref->buffer, iter->cpu_file);
- if (!ref->page) {
- ret = -ENOMEM;
+ if (IS_ERR(ref->page)) {
+ ret = PTR_ERR(ref->page);
+ ref->page = NULL;
kfree(ref);
break;
}
@@ -7774,6 +7780,7 @@
}
kfree(tr->topts);
+ free_cpumask_var(tr->tracing_cpumask);
kfree(tr->name);
kfree(tr);
@@ -8292,6 +8299,7 @@
if (ret < 0)
goto out_free_cpumask;
/* Used for event triggers */
+ ret = -ENOMEM;
temp_buffer = ring_buffer_alloc(PAGE_SIZE, RB_FL_OVERWRITE);
if (!temp_buffer)
goto out_rm_hp_state;
@@ -8406,4 +8414,4 @@
}
fs_initcall(tracer_init_tracefs);
-late_initcall(clear_boot_tracer);
+late_initcall_sync(clear_boot_tracer);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 6ade1c5..490ba22 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1210,9 +1210,9 @@
struct event_filter {
int n_preds; /* Number assigned */
int a_preds; /* allocated */
- struct filter_pred *preds;
- struct filter_pred *root;
- char *filter_string;
+ struct filter_pred __rcu *preds;
+ struct filter_pred __rcu *root;
+ char *filter_string;
};
struct event_subsystem {
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 562fa69..13ba2d3 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -306,6 +306,7 @@
perf_ftrace_function_call(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *ops, struct pt_regs *pt_regs)
{
+ struct perf_event *event;
struct ftrace_entry *entry;
struct hlist_head *head;
struct pt_regs regs;
@@ -329,8 +330,9 @@
entry->ip = ip;
entry->parent_ip = parent_ip;
+ event = container_of(ops, struct perf_event, ftrace_ops);
perf_trace_buf_submit(entry, ENTRY_SIZE, rctx, TRACE_FN,
- 1, ®s, head, NULL);
+ 1, ®s, head, NULL, event);
#undef ENTRY_SIZE
}
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 59a411f..181e139 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1959,6 +1959,10 @@
if (err && set_str)
append_filter_err(ps, filter);
}
+ if (err && !set_str) {
+ free_event_filter(filter);
+ filter = NULL;
+ }
create_filter_finish(ps);
*filterp = filter;
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index c9b5aa1..8a907e1 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1200,7 +1200,7 @@
memset(&entry[1], 0, dsize);
store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize);
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL);
+ head, NULL, NULL);
}
NOKPROBE_SYMBOL(kprobe_perf_func);
@@ -1236,7 +1236,7 @@
entry->ret_ip = (unsigned long)ri->ret_addr;
store_trace_args(sizeof(*entry), &tk->tp, regs, (u8 *)&entry[1], dsize);
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL);
+ head, NULL, NULL);
}
NOKPROBE_SYMBOL(kretprobe_perf_func);
#endif /* CONFIG_PERF_EVENTS */
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 5e10395..74d9a86 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -596,7 +596,7 @@
(unsigned long *)&rec->args);
perf_trace_buf_submit(rec, size, rctx,
sys_data->enter_event->event.type, 1, regs,
- head, NULL);
+ head, NULL, NULL);
}
static int perf_sysenter_enable(struct trace_event_call *call)
@@ -667,7 +667,7 @@
rec->nr = syscall_nr;
rec->ret = syscall_get_return_value(current, regs);
perf_trace_buf_submit(rec, size, rctx, sys_data->exit_event->event.type,
- 1, regs, head, NULL);
+ 1, regs, head, NULL, NULL);
}
static int perf_sysexit_enable(struct trace_event_call *call)
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index a7581fe..4525e02 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -1156,7 +1156,7 @@
}
perf_trace_buf_submit(entry, size, rctx, call->event.type, 1, regs,
- head, NULL);
+ head, NULL, NULL);
out:
preempt_enable();
}
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index 0a689bb..305039b 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -221,16 +221,19 @@
if (!a)
return;
- if (!a->pages) {
- kfree(a);
- return;
- }
+ if (!a->pages)
+ goto free;
for (i = 0; i < a->n_pages; i++) {
if (!a->pages[i])
break;
free_page((unsigned long)a->pages[i]);
}
+
+ kfree(a->pages);
+
+ free:
+ kfree(a);
}
struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts,
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 06d3389..f5d5202 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -240,6 +240,7 @@
* hardlockup detector generates a warning
*/
sample_period = get_softlockup_thresh() * ((u64)NSEC_PER_SEC / 5);
+ watchdog_update_hrtimer_threshold(sample_period);
}
/* Commands for resetting the watchdog */
diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 295a0d8..3a09ea1 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -37,6 +37,62 @@
}
EXPORT_SYMBOL(arch_touch_nmi_watchdog);
+#ifdef CONFIG_HARDLOCKUP_CHECK_TIMESTAMP
+static DEFINE_PER_CPU(ktime_t, last_timestamp);
+static DEFINE_PER_CPU(unsigned int, nmi_rearmed);
+static ktime_t watchdog_hrtimer_sample_threshold __read_mostly;
+
+void watchdog_update_hrtimer_threshold(u64 period)
+{
+ /*
+ * The hrtimer runs with a period of (watchdog_threshold * 2) / 5
+ *
+ * So it runs effectively with 2.5 times the rate of the NMI
+ * watchdog. That means the hrtimer should fire 2-3 times before
+ * the NMI watchdog expires. The NMI watchdog on x86 is based on
+ * unhalted CPU cycles, so if Turbo-Mode is enabled the CPU cycles
+ * might run way faster than expected and the NMI fires in a
+ * smaller period than the one deduced from the nominal CPU
+ * frequency. Depending on the Turbo-Mode factor this might be fast
+ * enough to get the NMI period smaller than the hrtimer watchdog
+ * period and trigger false positives.
+ *
+ * The sample threshold is used to check in the NMI handler whether
+ * the minimum time between two NMI samples has elapsed. That
+ * prevents false positives.
+ *
+ * Set this to 4/5 of the actual watchdog threshold period so the
+ * hrtimer is guaranteed to fire at least once within the real
+ * watchdog threshold.
+ */
+ watchdog_hrtimer_sample_threshold = period * 2;
+}
+
+static bool watchdog_check_timestamp(void)
+{
+ ktime_t delta, now = ktime_get_mono_fast_ns();
+
+ delta = now - __this_cpu_read(last_timestamp);
+ if (delta < watchdog_hrtimer_sample_threshold) {
+ /*
+ * If ktime is jiffies based, a stalled timer would prevent
+ * jiffies from being incremented and the filter would look
+ * at a stale timestamp and never trigger.
+ */
+ if (__this_cpu_inc_return(nmi_rearmed) < 10)
+ return false;
+ }
+ __this_cpu_write(nmi_rearmed, 0);
+ __this_cpu_write(last_timestamp, now);
+ return true;
+}
+#else
+static inline bool watchdog_check_timestamp(void)
+{
+ return true;
+}
+#endif
+
static struct perf_event_attr wd_hw_attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
@@ -61,6 +117,9 @@
return;
}
+ if (!watchdog_check_timestamp())
+ return;
+
/* check for a hardlockup
* This is done by making sure our timer interrupt
* is incrementing. The timer interrupt should have
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index a86688f..ca937b0 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3577,6 +3577,13 @@
/* yeap, return possible CPUs in @node that @attrs wants */
cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]);
+
+ if (cpumask_empty(cpumask)) {
+ pr_warn_once("WARNING: workqueue cpumask: online intersect > "
+ "possible intersect\n");
+ return false;
+ }
+
return !cpumask_equal(cpumask, attrs->cpumask);
use_dfl:
@@ -3744,8 +3751,12 @@
return -EINVAL;
/* creating multiple pwqs breaks ordering guarantee */
- if (WARN_ON((wq->flags & __WQ_ORDERED) && !list_empty(&wq->pwqs)))
- return -EINVAL;
+ if (!list_empty(&wq->pwqs)) {
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
+ return -EINVAL;
+
+ wq->flags &= ~__WQ_ORDERED;
+ }
ctx = apply_wqattrs_prepare(wq, attrs);
if (!ctx)
@@ -3929,6 +3940,16 @@
struct workqueue_struct *wq;
struct pool_workqueue *pwq;
+ /*
+ * Unbound && max_active == 1 used to imply ordered, which is no
+ * longer the case on NUMA machines due to per-node pools. While
+ * alloc_ordered_workqueue() is the right way to create an ordered
+ * workqueue, keep the previous behavior to avoid subtle breakages
+ * on NUMA.
+ */
+ if ((flags & WQ_UNBOUND) && max_active == 1)
+ flags |= __WQ_ORDERED;
+
/* see the comment above the definition of WQ_POWER_EFFICIENT */
if ((flags & WQ_POWER_EFFICIENT) && wq_power_efficient)
flags |= WQ_UNBOUND;
@@ -4119,13 +4140,14 @@
struct pool_workqueue *pwq;
/* disallow meddling with max_active for ordered workqueues */
- if (WARN_ON(wq->flags & __WQ_ORDERED))
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
return;
max_active = wq_clamp_max_active(max_active, wq->flags, wq->name);
mutex_lock(&wq->mutex);
+ wq->flags &= ~__WQ_ORDERED;
wq->saved_max_active = max_active;
for_each_pwq(pwq, wq)
@@ -5253,7 +5275,7 @@
* attributes breaks ordering guarantee. Disallow exposing ordered
* workqueues.
*/
- if (WARN_ON(wq->flags & __WQ_ORDERED))
+ if (WARN_ON(wq->flags & __WQ_ORDERED_EXPLICIT))
return -EINVAL;
wq->wq_dev = wq_dev = kzalloc(sizeof(*wq_dev), GFP_KERNEL);
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 98fe715..c617b9d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -798,6 +798,13 @@
select SOFTLOCKUP_DETECTOR
#
+# Enables a timestamp based low pass filter to compensate for perf based
+# hard lockup detection which runs too fast due to turbo modes.
+#
+config HARDLOCKUP_CHECK_TIMESTAMP
+ bool
+
+#
# arch/ can define HAVE_HARDLOCKUP_DETECTOR_ARCH to provide their own hard
# lockup detector rather than the perf based detector.
#
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index 7d315fd..cf7b129 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -110,10 +110,12 @@
if (in_task()) {
unsigned int fail_nth = READ_ONCE(current->fail_nth);
- if (fail_nth && !WRITE_ONCE(current->fail_nth, fail_nth - 1))
- goto fail;
+ if (fail_nth) {
+ if (!WRITE_ONCE(current->fail_nth, fail_nth - 1))
+ goto fail;
- return false;
+ return false;
+ }
}
/* No need to check any other properties if the probability is 0 */
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index 5a0f75a..eead4b3 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -364,11 +364,11 @@
}
miter.consumed = lzeros;
- sg_miter_stop(&miter);
nbytes -= lzeros;
nbits = nbytes * 8;
if (nbits > MAX_EXTERN_MPI_BITS) {
+ sg_miter_stop(&miter);
pr_info("MPI: mpi too large (%u bits)\n", nbits);
return NULL;
}
@@ -376,6 +376,8 @@
if (nbytes > 0)
nbits -= count_leading_zeros(*buff) - (BITS_PER_LONG - 8);
+ sg_miter_stop(&miter);
+
nlimbs = DIV_ROUND_UP(nbytes, BYTES_PER_MPI_LIMB);
val = mpi_alloc(nlimbs);
if (!val)
diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index 6c1d678..ff91489 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -485,7 +485,7 @@
config->test_driver);
else
len += snprintf(buf+len, PAGE_SIZE - len,
- "driver:\tEMTPY\n");
+ "driver:\tEMPTY\n");
if (config->test_fs)
len += snprintf(buf+len, PAGE_SIZE - len,
@@ -493,7 +493,7 @@
config->test_fs);
else
len += snprintf(buf+len, PAGE_SIZE - len,
- "fs:\tEMTPY\n");
+ "fs:\tEMPTY\n");
mutex_unlock(&test_dev->config_mutex);
@@ -746,11 +746,11 @@
strlen(test_str));
break;
case TEST_KMOD_FS_TYPE:
- break;
kfree_const(config->test_fs);
config->test_driver = NULL;
copied = config_copy_test_fs(config, test_str,
strlen(test_str));
+ break;
default:
mutex_unlock(&test_dev->config_mutex);
return -EINVAL;
@@ -880,10 +880,10 @@
int (*test_sync)(struct kmod_test_device *test_dev))
{
int ret;
- long new;
+ unsigned long new;
unsigned int old_val;
- ret = kstrtol(buf, 10, &new);
+ ret = kstrtoul(buf, 10, &new);
if (ret)
return ret;
@@ -918,9 +918,9 @@
unsigned int max)
{
int ret;
- long new;
+ unsigned long new;
- ret = kstrtol(buf, 10, &new);
+ ret = kstrtoul(buf, 10, &new);
if (ret)
return ret;
@@ -1146,7 +1146,7 @@
struct kmod_test_device *test_dev = NULL;
int ret;
- mutex_unlock(®_dev_mutex);
+ mutex_lock(®_dev_mutex);
/* int should suffice for number of devices, test for wrap */
if (unlikely(num_test_devs + 1) < 0) {
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 64e899b..0ffca99 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -56,8 +56,13 @@
module_param(enomem_retry, bool, 0);
MODULE_PARM_DESC(enomem_retry, "Retry insert even if -ENOMEM was returned (default: off)");
+struct test_obj_val {
+ int id;
+ int tid;
+};
+
struct test_obj {
- int value;
+ struct test_obj_val value;
struct rhash_head node;
};
@@ -72,7 +77,7 @@
static struct rhashtable_params test_rht_params = {
.head_offset = offsetof(struct test_obj, node),
.key_offset = offsetof(struct test_obj, value),
- .key_len = sizeof(int),
+ .key_len = sizeof(struct test_obj_val),
.hashfn = jhash,
.nulls_base = (3U << RHT_BASE_SHIFT),
};
@@ -109,24 +114,26 @@
for (i = 0; i < entries * 2; i++) {
struct test_obj *obj;
bool expected = !(i % 2);
- u32 key = i;
+ struct test_obj_val key = {
+ .id = i,
+ };
- if (array[i / 2].value == TEST_INSERT_FAIL)
+ if (array[i / 2].value.id == TEST_INSERT_FAIL)
expected = false;
obj = rhashtable_lookup_fast(ht, &key, test_rht_params);
if (expected && !obj) {
- pr_warn("Test failed: Could not find key %u\n", key);
+ pr_warn("Test failed: Could not find key %u\n", key.id);
return -ENOENT;
} else if (!expected && obj) {
pr_warn("Test failed: Unexpected entry found for key %u\n",
- key);
+ key.id);
return -EEXIST;
} else if (expected && obj) {
- if (obj->value != i) {
+ if (obj->value.id != i) {
pr_warn("Test failed: Lookup value mismatch %u!=%u\n",
- obj->value, i);
+ obj->value.id, i);
return -EINVAL;
}
}
@@ -195,7 +202,7 @@
for (i = 0; i < entries; i++) {
struct test_obj *obj = &array[i];
- obj->value = i * 2;
+ obj->value.id = i * 2;
err = insert_retry(ht, &obj->node, test_rht_params);
if (err > 0)
insert_retries += err;
@@ -216,9 +223,11 @@
pr_info(" Deleting %d keys\n", entries);
for (i = 0; i < entries; i++) {
- u32 key = i * 2;
+ struct test_obj_val key = {
+ .id = i * 2,
+ };
- if (array[i].value != TEST_INSERT_FAIL) {
+ if (array[i].value.id != TEST_INSERT_FAIL) {
obj = rhashtable_lookup_fast(ht, &key, test_rht_params);
BUG_ON(!obj);
@@ -242,18 +251,21 @@
for (i = 0; i < entries; i++) {
struct test_obj *obj;
- int key = (tdata->id << 16) | i;
+ struct test_obj_val key = {
+ .id = i,
+ .tid = tdata->id,
+ };
obj = rhashtable_lookup_fast(&ht, &key, test_rht_params);
- if (obj && (tdata->objs[i].value == TEST_INSERT_FAIL)) {
- pr_err(" found unexpected object %d\n", key);
+ if (obj && (tdata->objs[i].value.id == TEST_INSERT_FAIL)) {
+ pr_err(" found unexpected object %d-%d\n", key.tid, key.id);
err++;
- } else if (!obj && (tdata->objs[i].value != TEST_INSERT_FAIL)) {
- pr_err(" object %d not found!\n", key);
+ } else if (!obj && (tdata->objs[i].value.id != TEST_INSERT_FAIL)) {
+ pr_err(" object %d-%d not found!\n", key.tid, key.id);
err++;
- } else if (obj && (obj->value != key)) {
- pr_err(" wrong object returned (got %d, expected %d)\n",
- obj->value, key);
+ } else if (obj && memcmp(&obj->value, &key, sizeof(key))) {
+ pr_err(" wrong object returned (got %d-%d, expected %d-%d)\n",
+ obj->value.tid, obj->value.id, key.tid, key.id);
err++;
}
@@ -272,7 +284,8 @@
pr_err(" thread[%d]: down_interruptible failed\n", tdata->id);
for (i = 0; i < entries; i++) {
- tdata->objs[i].value = (tdata->id << 16) | i;
+ tdata->objs[i].value.id = i;
+ tdata->objs[i].value.tid = tdata->id;
err = insert_retry(&ht, &tdata->objs[i].node, test_rht_params);
if (err > 0) {
insert_retries += err;
@@ -295,7 +308,7 @@
for (step = 10; step > 0; step--) {
for (i = 0; i < entries; i += step) {
- if (tdata->objs[i].value == TEST_INSERT_FAIL)
+ if (tdata->objs[i].value.id == TEST_INSERT_FAIL)
continue;
err = rhashtable_remove_fast(&ht, &tdata->objs[i].node,
test_rht_params);
@@ -304,7 +317,7 @@
tdata->id);
goto out;
}
- tdata->objs[i].value = TEST_INSERT_FAIL;
+ tdata->objs[i].value.id = TEST_INSERT_FAIL;
cond_resched();
}
diff --git a/lib/test_uuid.c b/lib/test_uuid.c
index 478c049..cd819c3 100644
--- a/lib/test_uuid.c
+++ b/lib/test_uuid.c
@@ -82,7 +82,7 @@
test_uuid_failed("conversion", false, true, data->uuid, NULL);
total_tests++;
- if (uuid_equal(&data->be, &be)) {
+ if (!uuid_equal(&data->be, &be)) {
sprintf(buf, "%pUb", &be);
test_uuid_failed("cmp", false, true, data->uuid, buf);
}
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index 9075aa5..b06d9fe 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -24,7 +24,7 @@
{
unsigned long flags;
struct page *page = alloc_page(balloon_mapping_gfp_mask() |
- __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_ZERO);
+ __GFP_NOMEMALLOC | __GFP_NORETRY);
if (!page)
return NULL;
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index 595b757..c03ccbc 100644
--- a/mm/cma_debug.c
+++ b/mm/cma_debug.c
@@ -167,7 +167,7 @@
char name[16];
int u32s;
- sprintf(name, "cma-%s", cma->name);
+ scnprintf(name, sizeof(name), "cma-%s", cma->name);
tmp = debugfs_create_dir(name, cma_debugfs_root);
diff --git a/mm/debug.c b/mm/debug.c
index db1cd26..5715448 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -124,9 +124,7 @@
#ifdef CONFIG_NUMA_BALANCING
"numa_next_scan %lu numa_scan_offset %lu numa_scan_seq %d\n"
#endif
-#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
"tlb_flush_pending %d\n"
-#endif
"def_flags: %#lx(%pGv)\n",
mm, mm->mmap, mm->vmacache_seqnum, mm->task_size,
@@ -158,9 +156,7 @@
#ifdef CONFIG_NUMA_BALANCING
mm->numa_next_scan, mm->numa_scan_offset, mm->numa_scan_seq,
#endif
-#if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
- mm->tlb_flush_pending,
-#endif
+ atomic_read(&mm->tlb_flush_pending),
mm->def_flags, &mm->def_flags
);
}
diff --git a/mm/filemap.c b/mm/filemap.c
index a497024..65b4b6e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -885,6 +885,7 @@
page_writeback_init();
}
+/* This has the same layout as wait_bit_key - see fs/cachefiles/rdwr.c */
struct wait_page_key {
struct page *page;
int bit_nr;
@@ -909,8 +910,10 @@
if (wait_page->bit_nr != key->bit_nr)
return 0;
+
+ /* Stop walking if it's locked */
if (test_bit(key->bit_nr, &key->page->flags))
- return 0;
+ return -1;
return autoremove_wake_function(wait, mode, sync, key);
}
@@ -964,6 +967,7 @@
int ret = 0;
init_wait(wait);
+ wait->flags = lock ? WQ_FLAG_EXCLUSIVE : 0;
wait->func = wake_page_function;
wait_page.page = page;
wait_page.bit_nr = bit_nr;
@@ -972,10 +976,7 @@
spin_lock_irq(&q->lock);
if (likely(list_empty(&wait->entry))) {
- if (lock)
- __add_wait_queue_entry_tail_exclusive(q, wait);
- else
- __add_wait_queue(q, wait);
+ __add_wait_queue_entry_tail(q, wait);
SetPageWaiters(page);
}
@@ -985,10 +986,6 @@
if (likely(test_bit(bit_nr, &page->flags))) {
io_schedule();
- if (unlikely(signal_pending_state(state, current))) {
- ret = -EINTR;
- break;
- }
}
if (lock) {
@@ -998,6 +995,11 @@
if (!test_bit(bit_nr, &page->flags))
break;
}
+
+ if (unlikely(signal_pending_state(state, current))) {
+ ret = -EINTR;
+ break;
+ }
}
finish_wait(q, wait);
@@ -1039,7 +1041,7 @@
unsigned long flags;
spin_lock_irqsave(&q->lock, flags);
- __add_wait_queue(q, waiter);
+ __add_wait_queue_entry_tail(q, waiter);
SetPageWaiters(page);
spin_unlock_irqrestore(&q->lock, flags);
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 86975de..90731e3 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -32,6 +32,7 @@
#include <linux/userfaultfd_k.h>
#include <linux/page_idle.h>
#include <linux/shmem_fs.h>
+#include <linux/oom.h>
#include <asm/tlb.h>
#include <asm/pgalloc.h>
@@ -550,6 +551,7 @@
struct mem_cgroup *memcg;
pgtable_t pgtable;
unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
+ int ret = 0;
VM_BUG_ON_PAGE(!PageCompound(page), page);
@@ -561,9 +563,8 @@
pgtable = pte_alloc_one(vma->vm_mm, haddr);
if (unlikely(!pgtable)) {
- mem_cgroup_cancel_charge(page, memcg, true);
- put_page(page);
- return VM_FAULT_OOM;
+ ret = VM_FAULT_OOM;
+ goto release;
}
clear_huge_page(page, haddr, HPAGE_PMD_NR);
@@ -576,13 +577,14 @@
vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
if (unlikely(!pmd_none(*vmf->pmd))) {
- spin_unlock(vmf->ptl);
- mem_cgroup_cancel_charge(page, memcg, true);
- put_page(page);
- pte_free(vma->vm_mm, pgtable);
+ goto unlock_release;
} else {
pmd_t entry;
+ ret = check_stable_address_space(vma->vm_mm);
+ if (ret)
+ goto unlock_release;
+
/* Deliver the page fault to userland */
if (userfaultfd_missing(vma)) {
int ret;
@@ -610,6 +612,15 @@
}
return 0;
+unlock_release:
+ spin_unlock(vmf->ptl);
+release:
+ if (pgtable)
+ pte_free(vma->vm_mm, pgtable);
+ mem_cgroup_cancel_charge(page, memcg, true);
+ put_page(page);
+ return ret;
+
}
/*
@@ -688,7 +699,10 @@
ret = 0;
set = false;
if (pmd_none(*vmf->pmd)) {
- if (userfaultfd_missing(vma)) {
+ ret = check_stable_address_space(vma->vm_mm);
+ if (ret) {
+ spin_unlock(vmf->ptl);
+ } else if (userfaultfd_missing(vma)) {
spin_unlock(vmf->ptl);
ret = handle_userfault(vmf, VM_UFFD_MISSING);
VM_BUG_ON(ret & VM_FAULT_FALLBACK);
@@ -1496,6 +1510,13 @@
}
/*
+ * The page_table_lock above provides a memory barrier
+ * with change_protection_range.
+ */
+ if (mm_tlb_flush_pending(vma->vm_mm))
+ flush_tlb_range(vma, haddr, haddr + HPAGE_PMD_SIZE);
+
+ /*
* Migrate the THP to the requested node, returns with page unlocked
* and access rights restored.
*/
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index bc48ee7..31e207c 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4062,9 +4062,9 @@
return ret;
out_release_unlock:
spin_unlock(ptl);
-out_release_nounlock:
if (vm_shared)
unlock_page(page);
+out_release_nounlock:
put_page(page);
goto out;
}
@@ -4078,6 +4078,7 @@
unsigned long vaddr = *position;
unsigned long remainder = *nr_pages;
struct hstate *h = hstate_vma(vma);
+ int err = -EFAULT;
while (vaddr < vma->vm_end && remainder) {
pte_t *pte;
@@ -4154,11 +4155,7 @@
}
ret = hugetlb_fault(mm, vma, vaddr, fault_flags);
if (ret & VM_FAULT_ERROR) {
- int err = vm_fault_to_errno(ret, flags);
-
- if (err)
- return err;
-
+ err = vm_fault_to_errno(ret, flags);
remainder = 0;
break;
}
@@ -4213,7 +4210,7 @@
*/
*position = vaddr;
- return i ? i : -EFAULT;
+ return i ? i : err;
}
#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
diff --git a/mm/internal.h b/mm/internal.h
index 24d88f0..4ef49fc 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -498,6 +498,7 @@
#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
void try_to_unmap_flush(void);
void try_to_unmap_flush_dirty(void);
+void flush_tlb_batched_pending(struct mm_struct *mm);
#else
static inline void try_to_unmap_flush(void)
{
@@ -505,7 +506,9 @@
static inline void try_to_unmap_flush_dirty(void)
{
}
-
+static inline void flush_tlb_batched_pending(struct mm_struct *mm)
+{
+}
#endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */
extern const struct trace_print_flags pageflag_names[];
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 04bb1d3..6bcfb01 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -401,6 +401,7 @@
disable_trace_on_warning();
info.access_addr = (void *)addr;
+ info.first_bad_addr = (void *)addr;
info.access_size = size;
info.is_write = is_write;
info.ip = ip;
diff --git a/mm/ksm.c b/mm/ksm.c
index 4dc92f1..db20f84 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1038,7 +1038,8 @@
goto out_unlock;
if (pte_write(*pvmw.pte) || pte_dirty(*pvmw.pte) ||
- (pte_protnone(*pvmw.pte) && pte_savedwrite(*pvmw.pte))) {
+ (pte_protnone(*pvmw.pte) && pte_savedwrite(*pvmw.pte)) ||
+ mm_tlb_flush_pending(mm)) {
pte_t entry;
swapped = PageSwapCache(page);
diff --git a/mm/madvise.c b/mm/madvise.c
index 9976852..4d7d1e5 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -320,6 +320,7 @@
tlb_remove_check_page_size_change(tlb, PAGE_SIZE);
orig_pte = pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
+ flush_tlb_batched_pending(mm);
arch_enter_lazy_mmu_mode();
for (; addr != end; pte++, addr += PAGE_SIZE) {
ptent = *pte;
@@ -367,8 +368,8 @@
pte_offset_map_lock(mm, pmd, addr, &ptl);
goto out;
}
- put_page(page);
unlock_page(page);
+ put_page(page);
pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
pte--;
addr -= PAGE_SIZE;
@@ -612,6 +613,7 @@
unsigned long start, unsigned long end)
{
struct page *page;
+ struct zone *zone;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -645,6 +647,11 @@
if (ret)
return ret;
}
+
+ /* Ensure that all poisoned pages are removed from per-cpu lists */
+ for_each_populated_zone(zone)
+ drain_all_pages(zone);
+
return 0;
}
#endif
diff --git a/mm/memblock.c b/mm/memblock.c
index 2cb25fe..9120578 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -285,31 +285,27 @@
}
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
-
-phys_addr_t __init_memblock get_allocated_memblock_reserved_regions_info(
- phys_addr_t *addr)
+/**
+ * Discard memory and reserved arrays if they were allocated
+ */
+void __init memblock_discard(void)
{
- if (memblock.reserved.regions == memblock_reserved_init_regions)
- return 0;
+ phys_addr_t addr, size;
- *addr = __pa(memblock.reserved.regions);
+ if (memblock.reserved.regions != memblock_reserved_init_regions) {
+ addr = __pa(memblock.reserved.regions);
+ size = PAGE_ALIGN(sizeof(struct memblock_region) *
+ memblock.reserved.max);
+ __memblock_free_late(addr, size);
+ }
- return PAGE_ALIGN(sizeof(struct memblock_region) *
- memblock.reserved.max);
+ if (memblock.memory.regions != memblock_memory_init_regions) {
+ addr = __pa(memblock.memory.regions);
+ size = PAGE_ALIGN(sizeof(struct memblock_region) *
+ memblock.memory.max);
+ __memblock_free_late(addr, size);
+ }
}
-
-phys_addr_t __init_memblock get_allocated_memblock_memory_regions_info(
- phys_addr_t *addr)
-{
- if (memblock.memory.regions == memblock_memory_init_regions)
- return 0;
-
- *addr = __pa(memblock.memory.regions);
-
- return PAGE_ALIGN(sizeof(struct memblock_region) *
- memblock.memory.max);
-}
-
#endif
/**
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3df3c04..e09741a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1611,9 +1611,13 @@
* @page: the page
*
* This function protects unlocked LRU pages from being moved to
- * another cgroup and stabilizes their page->mem_cgroup binding.
+ * another cgroup.
+ *
+ * It ensures lifetime of the returned memcg. Caller is responsible
+ * for the lifetime of the page; __unlock_page_memcg() is available
+ * when @page might get freed inside the locked section.
*/
-void lock_page_memcg(struct page *page)
+struct mem_cgroup *lock_page_memcg(struct page *page)
{
struct mem_cgroup *memcg;
unsigned long flags;
@@ -1622,18 +1626,24 @@
* The RCU lock is held throughout the transaction. The fast
* path can get away without acquiring the memcg->move_lock
* because page moving starts with an RCU grace period.
- */
+ *
+ * The RCU lock also protects the memcg from being freed when
+ * the page state that is going to change is the only thing
+ * preventing the page itself from being freed. E.g. writeback
+ * doesn't hold a page reference and relies on PG_writeback to
+ * keep off truncation, migration and so forth.
+ */
rcu_read_lock();
if (mem_cgroup_disabled())
- return;
+ return NULL;
again:
memcg = page->mem_cgroup;
if (unlikely(!memcg))
- return;
+ return NULL;
if (atomic_read(&memcg->moving_account) <= 0)
- return;
+ return memcg;
spin_lock_irqsave(&memcg->move_lock, flags);
if (memcg != page->mem_cgroup) {
@@ -1649,18 +1659,18 @@
memcg->move_lock_task = current;
memcg->move_lock_flags = flags;
- return;
+ return memcg;
}
EXPORT_SYMBOL(lock_page_memcg);
/**
- * unlock_page_memcg - unlock a page->mem_cgroup binding
- * @page: the page
+ * __unlock_page_memcg - unlock and unpin a memcg
+ * @memcg: the memcg
+ *
+ * Unlock and unpin a memcg returned by lock_page_memcg().
*/
-void unlock_page_memcg(struct page *page)
+void __unlock_page_memcg(struct mem_cgroup *memcg)
{
- struct mem_cgroup *memcg = page->mem_cgroup;
-
if (memcg && memcg->move_lock_task == current) {
unsigned long flags = memcg->move_lock_flags;
@@ -1672,6 +1682,15 @@
rcu_read_unlock();
}
+
+/**
+ * unlock_page_memcg - unlock a page->mem_cgroup binding
+ * @page: the page
+ */
+void unlock_page_memcg(struct page *page)
+{
+ __unlock_page_memcg(page->mem_cgroup);
+}
EXPORT_SYMBOL(unlock_page_memcg);
/*
diff --git a/mm/memory.c b/mm/memory.c
index 0e517be..56e48e4 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -68,6 +68,7 @@
#include <linux/debugfs.h>
#include <linux/userfaultfd_k.h>
#include <linux/dax.h>
+#include <linux/oom.h>
#include <asm/io.h>
#include <asm/mmu_context.h>
@@ -215,12 +216,8 @@
return true;
}
-/* tlb_gather_mmu
- * Called to initialize an (on-stack) mmu_gather structure for page-table
- * tear-down from @mm. The @fullmm argument is used when @mm is without
- * users and we're going to destroy the full address space (exit/execve).
- */
-void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
+void arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
tlb->mm = mm;
@@ -275,10 +272,14 @@
* Called at the end of the shootdown operation to free up any resources
* that were required.
*/
-void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+void arch_tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end, bool force)
{
struct mmu_gather_batch *batch, *next;
+ if (force)
+ __tlb_adjust_range(tlb, start, end - start);
+
tlb_flush_mmu(tlb);
/* keep the page table cache within bounds */
@@ -398,6 +399,34 @@
#endif /* CONFIG_HAVE_RCU_TABLE_FREE */
+/* tlb_gather_mmu
+ * Called to initialize an (on-stack) mmu_gather structure for page-table
+ * tear-down from @mm. The @fullmm argument is used when @mm is without
+ * users and we're going to destroy the full address space (exit/execve).
+ */
+void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+ unsigned long start, unsigned long end)
+{
+ arch_tlb_gather_mmu(tlb, mm, start, end);
+ inc_tlb_flush_pending(tlb->mm);
+}
+
+void tlb_finish_mmu(struct mmu_gather *tlb,
+ unsigned long start, unsigned long end)
+{
+ /*
+ * If there are parallel threads are doing PTE changes on same range
+ * under non-exclusive lock(e.g., mmap_sem read-side) but defer TLB
+ * flush by batching, a thread has stable TLB entry can fail to flush
+ * the TLB by observing pte_none|!pte_dirty, for example so flush TLB
+ * forcefully if we detect parallel PTE batching threads.
+ */
+ bool force = mm_tlb_flush_nested(tlb->mm);
+
+ arch_tlb_finish_mmu(tlb, start, end, force);
+ dec_tlb_flush_pending(tlb->mm);
+}
+
/*
* Note: this doesn't free the actual pages themselves. That
* has been handled earlier when unmapping all the memory regions.
@@ -1197,6 +1226,7 @@
init_rss_vec(rss);
start_pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
pte = start_pte;
+ flush_tlb_batched_pending(mm);
arch_enter_lazy_mmu_mode();
do {
pte_t ptent = *pte;
@@ -2864,6 +2894,7 @@
struct vm_area_struct *vma = vmf->vma;
struct mem_cgroup *memcg;
struct page *page;
+ int ret = 0;
pte_t entry;
/* File mapping without ->vm_ops ? */
@@ -2896,6 +2927,9 @@
vmf->address, &vmf->ptl);
if (!pte_none(*vmf->pte))
goto unlock;
+ ret = check_stable_address_space(vma->vm_mm);
+ if (ret)
+ goto unlock;
/* Deliver the page fault to userland, check inside PT lock */
if (userfaultfd_missing(vma)) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -2930,6 +2964,10 @@
if (!pte_none(*vmf->pte))
goto release;
+ ret = check_stable_address_space(vma->vm_mm);
+ if (ret)
+ goto release;
+
/* Deliver the page fault to userland, check inside PT lock */
if (userfaultfd_missing(vma)) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -2949,7 +2987,7 @@
update_mmu_cache(vma, vmf->address, vmf->pte);
unlock:
pte_unmap_unlock(vmf->pte, vmf->ptl);
- return 0;
+ return ret;
release:
mem_cgroup_cancel_charge(page, memcg, false);
put_page(page);
@@ -3223,7 +3261,7 @@
int finish_fault(struct vm_fault *vmf)
{
struct page *page;
- int ret;
+ int ret = 0;
/* Did we COW the page? */
if ((vmf->flags & FAULT_FLAG_WRITE) &&
@@ -3231,7 +3269,15 @@
page = vmf->cow_page;
else
page = vmf->page;
- ret = alloc_set_pte(vmf, vmf->memcg, page);
+
+ /*
+ * check even for read faults because we might have lost our CoWed
+ * page
+ */
+ if (!(vmf->vma->vm_flags & VM_SHARED))
+ ret = check_stable_address_space(vmf->vma->vm_mm);
+ if (!ret)
+ ret = alloc_set_pte(vmf, vmf->memcg, page);
if (vmf->pte)
pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
@@ -3871,19 +3917,6 @@
mem_cgroup_oom_synchronize(false);
}
- /*
- * This mm has been already reaped by the oom reaper and so the
- * refault cannot be trusted in general. Anonymous refaults would
- * lose data and give a zero page instead e.g. This is especially
- * problem for use_mm() because regular tasks will just die and
- * the corrupted data will not be visible anywhere while kthread
- * will outlive the oom victim and potentially propagate the date
- * further.
- */
- if (unlikely((current->flags & PF_KTHREAD) && !(ret & VM_FAULT_ERROR)
- && test_bit(MMF_UNSTABLE, &vma->vm_mm->flags)))
- ret = VM_FAULT_SIGBUS;
-
return ret;
}
EXPORT_SYMBOL_GPL(handle_mm_fault);
@@ -3975,7 +4008,8 @@
#endif /* __PAGETABLE_PMD_FOLDED */
static int __follow_pte_pmd(struct mm_struct *mm, unsigned long address,
- pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp)
+ unsigned long *start, unsigned long *end,
+ pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp)
{
pgd_t *pgd;
p4d_t *p4d;
@@ -4002,17 +4036,29 @@
if (!pmdpp)
goto out;
+ if (start && end) {
+ *start = address & PMD_MASK;
+ *end = *start + PMD_SIZE;
+ mmu_notifier_invalidate_range_start(mm, *start, *end);
+ }
*ptlp = pmd_lock(mm, pmd);
if (pmd_huge(*pmd)) {
*pmdpp = pmd;
return 0;
}
spin_unlock(*ptlp);
+ if (start && end)
+ mmu_notifier_invalidate_range_end(mm, *start, *end);
}
if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))
goto out;
+ if (start && end) {
+ *start = address & PAGE_MASK;
+ *end = *start + PAGE_SIZE;
+ mmu_notifier_invalidate_range_start(mm, *start, *end);
+ }
ptep = pte_offset_map_lock(mm, pmd, address, ptlp);
if (!pte_present(*ptep))
goto unlock;
@@ -4020,6 +4066,8 @@
return 0;
unlock:
pte_unmap_unlock(ptep, *ptlp);
+ if (start && end)
+ mmu_notifier_invalidate_range_end(mm, *start, *end);
out:
return -EINVAL;
}
@@ -4031,20 +4079,21 @@
/* (void) is needed to make gcc happy */
(void) __cond_lock(*ptlp,
- !(res = __follow_pte_pmd(mm, address, ptepp, NULL,
- ptlp)));
+ !(res = __follow_pte_pmd(mm, address, NULL, NULL,
+ ptepp, NULL, ptlp)));
return res;
}
int follow_pte_pmd(struct mm_struct *mm, unsigned long address,
+ unsigned long *start, unsigned long *end,
pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp)
{
int res;
/* (void) is needed to make gcc happy */
(void) __cond_lock(*ptlp,
- !(res = __follow_pte_pmd(mm, address, ptepp, pmdpp,
- ptlp)));
+ !(res = __follow_pte_pmd(mm, address, start, end,
+ ptepp, pmdpp, ptlp)));
return res;
}
EXPORT_SYMBOL(follow_pte_pmd);
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index d911fa5..618ab12 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -861,11 +861,6 @@
*policy |= (pol->flags & MPOL_MODE_FLAGS);
}
- if (vma) {
- up_read(¤t->mm->mmap_sem);
- vma = NULL;
- }
-
err = 0;
if (nmask) {
if (mpol_store_user_nodemask(pol)) {
diff --git a/mm/migrate.c b/mm/migrate.c
index 6276715..e84eeb4 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -41,6 +41,7 @@
#include <linux/page_idle.h>
#include <linux/page_owner.h>
#include <linux/sched/mm.h>
+#include <linux/ptrace.h>
#include <asm/tlbflush.h>
@@ -1652,7 +1653,6 @@
const int __user *, nodes,
int __user *, status, int, flags)
{
- const struct cred *cred = current_cred(), *tcred;
struct task_struct *task;
struct mm_struct *mm;
int err;
@@ -1676,14 +1676,9 @@
/*
* Check if this process has the right to modify the specified
- * process. The right exists if the process has administrative
- * capabilities, superuser privileges or the same
- * userid as the target process.
+ * process. Use the regular "ptrace_may_access()" checks.
*/
- tcred = __task_cred(task);
- if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) &&
- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) &&
- !capable(CAP_SYS_NICE)) {
+ if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS)) {
rcu_read_unlock();
err = -EPERM;
goto out;
@@ -1937,12 +1932,6 @@
put_page(new_page);
goto out_fail;
}
- /*
- * We are not sure a pending tlb flush here is for a huge page
- * mapping or not. Hence use the tlb range variant
- */
- if (mm_tlb_flush_pending(mm))
- flush_tlb_range(vma, mmun_start, mmun_end);
/* Prepare a page as a migration target */
__SetPageLocked(new_page);
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 54ca545..3142852 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -174,20 +174,6 @@
srcu_read_unlock(&srcu, id);
}
-void __mmu_notifier_invalidate_page(struct mm_struct *mm,
- unsigned long address)
-{
- struct mmu_notifier *mn;
- int id;
-
- id = srcu_read_lock(&srcu);
- hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) {
- if (mn->ops->invalidate_page)
- mn->ops->invalidate_page(mn, mm, address);
- }
- srcu_read_unlock(&srcu, id);
-}
-
void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,
unsigned long start, unsigned long end)
{
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 1a8c9ca..bd0f409 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -64,6 +64,7 @@
atomic_read(&vma->vm_mm->mm_users) == 1)
target_node = numa_node_id();
+ flush_tlb_batched_pending(vma->vm_mm);
arch_enter_lazy_mmu_mode();
do {
oldpte = *pte;
@@ -243,7 +244,7 @@
BUG_ON(addr >= end);
pgd = pgd_offset(mm, addr);
flush_cache_range(vma, addr, end);
- set_tlb_flush_pending(mm);
+ inc_tlb_flush_pending(mm);
do {
next = pgd_addr_end(addr, end);
if (pgd_none_or_clear_bad(pgd))
@@ -255,7 +256,7 @@
/* Only flush the TLB if we actually modified any entries: */
if (pages)
flush_tlb_range(vma, start, end);
- clear_tlb_flush_pending(mm);
+ dec_tlb_flush_pending(mm);
return pages;
}
diff --git a/mm/mremap.c b/mm/mremap.c
index cd8a1b1..3f23715 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -152,6 +152,7 @@
new_ptl = pte_lockptr(mm, new_pmd);
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
+ flush_tlb_batched_pending(vma->vm_mm);
arch_enter_lazy_mmu_mode();
for (; old_addr < old_end; old_pte++, old_addr += PAGE_SIZE,
@@ -428,6 +429,7 @@
static unsigned long mremap_to(unsigned long addr, unsigned long old_len,
unsigned long new_addr, unsigned long new_len, bool *locked,
struct vm_userfaultfd_ctx *uf,
+ struct list_head *uf_unmap_early,
struct list_head *uf_unmap)
{
struct mm_struct *mm = current->mm;
@@ -446,7 +448,7 @@
if (addr + old_len > new_addr && new_addr + new_len > addr)
goto out;
- ret = do_munmap(mm, new_addr, new_len, NULL);
+ ret = do_munmap(mm, new_addr, new_len, uf_unmap_early);
if (ret)
goto out;
@@ -514,6 +516,7 @@
unsigned long charged = 0;
bool locked = false;
struct vm_userfaultfd_ctx uf = NULL_VM_UFFD_CTX;
+ LIST_HEAD(uf_unmap_early);
LIST_HEAD(uf_unmap);
if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE))
@@ -541,7 +544,7 @@
if (flags & MREMAP_FIXED) {
ret = mremap_to(addr, old_len, new_addr, new_len,
- &locked, &uf, &uf_unmap);
+ &locked, &uf, &uf_unmap_early, &uf_unmap);
goto out;
}
@@ -621,6 +624,7 @@
up_write(¤t->mm->mmap_sem);
if (locked && new_len > old_len)
mm_populate(new_addr + old_len, new_len - old_len);
+ userfaultfd_unmap_complete(mm, &uf_unmap_early);
mremap_userfaultfd_complete(&uf, addr, new_addr, old_len);
userfaultfd_unmap_complete(mm, &uf_unmap);
return ret;
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 36454d0f..3637809 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -146,22 +146,6 @@
NULL)
count += __free_memory_core(start, end);
-#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
- {
- phys_addr_t size;
-
- /* Free memblock.reserved array if it was allocated */
- size = get_allocated_memblock_reserved_regions_info(&start);
- if (size)
- count += __free_memory_core(start, start + size);
-
- /* Free memblock.memory array if it was allocated */
- size = get_allocated_memblock_memory_regions_info(&start);
- if (size)
- count += __free_memory_core(start, start + size);
- }
-#endif
-
return count;
}
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 96e93b2..bf050ab 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2724,9 +2724,12 @@
int test_clear_page_writeback(struct page *page)
{
struct address_space *mapping = page_mapping(page);
+ struct mem_cgroup *memcg;
+ struct lruvec *lruvec;
int ret;
- lock_page_memcg(page);
+ memcg = lock_page_memcg(page);
+ lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page));
if (mapping && mapping_use_writeback_tags(mapping)) {
struct inode *inode = mapping->host;
struct backing_dev_info *bdi = inode_to_bdi(inode);
@@ -2754,12 +2757,18 @@
} else {
ret = TestClearPageWriteback(page);
}
+ /*
+ * NOTE: Page might be free now! Writeback doesn't hold a page
+ * reference on its own, it relies on truncation to wait for
+ * the clearing of PG_writeback. The below can only access
+ * page state that is static across allocation cycles.
+ */
if (ret) {
- dec_lruvec_page_state(page, NR_WRITEBACK);
+ dec_lruvec_state(lruvec, NR_WRITEBACK);
dec_zone_page_state(page, NR_ZONE_WRITE_PENDING);
inc_node_page_state(page, NR_WRITTEN);
}
- unlock_page_memcg(page);
+ __unlock_page_memcg(memcg);
return ret;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6d30e91..1423da8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -66,6 +66,7 @@
#include <linux/kthread.h>
#include <linux/memcontrol.h>
#include <linux/ftrace.h>
+#include <linux/nmi.h>
#include <asm/sections.h>
#include <asm/tlbflush.h>
@@ -1584,6 +1585,10 @@
/* Reinit limits that are based on free pages after the kernel is up */
files_maxfiles_init();
#endif
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+ /* Discard memblock private memory */
+ memblock_discard();
+#endif
for_each_populated_zone(zone)
set_zone_contiguous(zone);
@@ -2531,9 +2536,14 @@
#ifdef CONFIG_HIBERNATION
+/*
+ * Touch the watchdog for every WD_PAGE_COUNT pages.
+ */
+#define WD_PAGE_COUNT (128*1024)
+
void mark_free_pages(struct zone *zone)
{
- unsigned long pfn, max_zone_pfn;
+ unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT;
unsigned long flags;
unsigned int order, t;
struct page *page;
@@ -2548,6 +2558,11 @@
if (pfn_valid(pfn)) {
page = pfn_to_page(pfn);
+ if (!--page_count) {
+ touch_nmi_watchdog();
+ page_count = WD_PAGE_COUNT;
+ }
+
if (page_zone(page) != zone)
continue;
@@ -2561,8 +2576,13 @@
unsigned long i;
pfn = page_to_pfn(page);
- for (i = 0; i < (1UL << order); i++)
+ for (i = 0; i < (1UL << order); i++) {
+ if (!--page_count) {
+ touch_nmi_watchdog();
+ page_count = WD_PAGE_COUNT;
+ }
swsusp_set_page_free(pfn_to_page(pfn + i));
+ }
}
}
spin_unlock_irqrestore(&zone->lock, flags);
@@ -3271,10 +3291,13 @@
/*
* Go through the zonelist yet one more time, keep very high watermark
* here, this is only to catch a parallel oom killing, we must fail if
- * we're still under heavy pressure.
+ * we're still under heavy pressure. But make sure that this reclaim
+ * attempt shall not depend on __GFP_DIRECT_RECLAIM && !__GFP_NORETRY
+ * allocation which will never fail due to oom_lock already held.
*/
- page = get_page_from_freelist(gfp_mask | __GFP_HARDWALL, order,
- ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);
+ page = get_page_from_freelist((gfp_mask | __GFP_HARDWALL) &
+ ~__GFP_DIRECT_RECLAIM, order,
+ ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);
if (page)
goto out;
@@ -4458,8 +4481,9 @@
* Part of the reclaimable slab consists of items that are in use,
* and cannot be freed. Cap this estimate at the low watermark.
*/
- available += global_page_state(NR_SLAB_RECLAIMABLE) -
- min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low);
+ available += global_node_page_state(NR_SLAB_RECLAIMABLE) -
+ min(global_node_page_state(NR_SLAB_RECLAIMABLE) / 2,
+ wmark_low);
if (available < 0)
available = 0;
@@ -4602,8 +4626,8 @@
global_node_page_state(NR_FILE_DIRTY),
global_node_page_state(NR_WRITEBACK),
global_node_page_state(NR_UNSTABLE_NFS),
- global_page_state(NR_SLAB_RECLAIMABLE),
- global_page_state(NR_SLAB_UNRECLAIMABLE),
+ global_node_page_state(NR_SLAB_RECLAIMABLE),
+ global_node_page_state(NR_SLAB_UNRECLAIMABLE),
global_node_page_state(NR_FILE_MAPPED),
global_node_page_state(NR_SHMEM),
global_page_state(NR_PAGETABLE),
@@ -4891,9 +4915,11 @@
NUMA_ZONELIST_ORDER_LEN);
user_zonelist_order = oldval;
} else if (oldval != user_zonelist_order) {
+ mem_hotplug_begin();
mutex_lock(&zonelists_mutex);
build_all_zonelists(NULL, NULL);
mutex_unlock(&zonelists_mutex);
+ mem_hotplug_done();
}
}
out:
@@ -7666,7 +7692,7 @@
/* Make sure the range is really isolated. */
if (test_pages_isolated(outer_start, end, false)) {
- pr_info("%s: [%lx, %lx) PFNs busy\n",
+ pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
__func__, outer_start, end);
ret = -EBUSY;
goto done;
diff --git a/mm/page_io.c b/mm/page_io.c
index b6c4ac38..5f61b54 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -22,6 +22,7 @@
#include <linux/frontswap.h>
#include <linux/blkdev.h>
#include <linux/uio.h>
+#include <linux/sched/task.h>
#include <asm/pgtable.h>
static struct bio *get_swap_bio(gfp_t gfp_flags,
@@ -136,6 +137,7 @@
WRITE_ONCE(bio->bi_private, NULL);
bio_put(bio);
wake_up_process(waiter);
+ put_task_struct(waiter);
}
int generic_swapfile_activate(struct swap_info_struct *sis,
@@ -378,6 +380,11 @@
goto out;
}
bdev = bio->bi_bdev;
+ /*
+ * Keep this task valid during swap readpage because the oom killer may
+ * attempt to access it in the page fault retry time check.
+ */
+ get_task_struct(current);
bio->bi_private = current;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
count_vm_event(PSWPIN);
diff --git a/mm/rmap.c b/mm/rmap.c
index ced14f1..c570f82 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -605,6 +605,13 @@
tlb_ubc->flush_required = true;
/*
+ * Ensure compiler does not re-order the setting of tlb_flush_batched
+ * before the PTE is cleared.
+ */
+ barrier();
+ mm->tlb_flush_batched = true;
+
+ /*
* If the PTE was dirty then it's best to assume it's writable. The
* caller must use try_to_unmap_flush_dirty() or try_to_unmap_flush()
* before the page is queued for IO.
@@ -631,6 +638,35 @@
return should_defer;
}
+
+/*
+ * Reclaim unmaps pages under the PTL but do not flush the TLB prior to
+ * releasing the PTL if TLB flushes are batched. It's possible for a parallel
+ * operation such as mprotect or munmap to race between reclaim unmapping
+ * the page and flushing the page. If this race occurs, it potentially allows
+ * access to data via a stale TLB entry. Tracking all mm's that have TLB
+ * batching in flight would be expensive during reclaim so instead track
+ * whether TLB batching occurred in the past and if so then do a flush here
+ * if required. This will cost one additional flush per reclaim cycle paid
+ * by the first operation at risk such as mprotect and mumap.
+ *
+ * This must be called under the PTL so that an access to tlb_flush_batched
+ * that is potentially a "reclaim vs mprotect/munmap/etc" race will synchronise
+ * via the PTL.
+ */
+void flush_tlb_batched_pending(struct mm_struct *mm)
+{
+ if (mm->tlb_flush_batched) {
+ flush_tlb_mm(mm);
+
+ /*
+ * Do not allow the compiler to re-order the clearing of
+ * tlb_flush_batched before the tlb is flushed.
+ */
+ barrier();
+ mm->tlb_flush_batched = false;
+ }
+}
#else
static void set_tlb_ubc_flush_pending(struct mm_struct *mm, bool writable)
{
@@ -851,11 +887,21 @@
.address = address,
.flags = PVMW_SYNC,
};
+ unsigned long start = address, end;
int *cleaned = arg;
+ /*
+ * We have to assume the worse case ie pmd for invalidation. Note that
+ * the page can not be free from this function.
+ */
+ end = min(vma->vm_end, start + (PAGE_SIZE << compound_order(page)));
+ mmu_notifier_invalidate_range_start(vma->vm_mm, start, end);
+
while (page_vma_mapped_walk(&pvmw)) {
+ unsigned long cstart, cend;
int ret = 0;
- address = pvmw.address;
+
+ cstart = address = pvmw.address;
if (pvmw.pte) {
pte_t entry;
pte_t *pte = pvmw.pte;
@@ -868,6 +914,7 @@
entry = pte_wrprotect(entry);
entry = pte_mkclean(entry);
set_pte_at(vma->vm_mm, address, pte, entry);
+ cend = cstart + PAGE_SIZE;
ret = 1;
} else {
#ifdef CONFIG_TRANSPARENT_HUGE_PAGECACHE
@@ -882,6 +929,8 @@
entry = pmd_wrprotect(entry);
entry = pmd_mkclean(entry);
set_pmd_at(vma->vm_mm, address, pmd, entry);
+ cstart &= PMD_MASK;
+ cend = cstart + PMD_SIZE;
ret = 1;
#else
/* unexpected pmd-mapped page? */
@@ -890,11 +939,13 @@
}
if (ret) {
- mmu_notifier_invalidate_page(vma->vm_mm, address);
+ mmu_notifier_invalidate_range(vma->vm_mm, cstart, cend);
(*cleaned)++;
}
}
+ mmu_notifier_invalidate_range_end(vma->vm_mm, start, end);
+
return true;
}
@@ -1288,6 +1339,7 @@
pte_t pteval;
struct page *subpage;
bool ret = true;
+ unsigned long start = address, end;
enum ttu_flags flags = (enum ttu_flags)arg;
/* munlock has nothing to gain from examining un-locked vmas */
@@ -1299,6 +1351,14 @@
flags & TTU_MIGRATION, page);
}
+ /*
+ * We have to assume the worse case ie pmd for invalidation. Note that
+ * the page can not be free in this function as call of try_to_unmap()
+ * must hold a reference on the page.
+ */
+ end = min(vma->vm_end, start + (PAGE_SIZE << compound_order(page)));
+ mmu_notifier_invalidate_range_start(vma->vm_mm, start, end);
+
while (page_vma_mapped_walk(&pvmw)) {
/*
* If the page is mlock()d, we cannot swap it out.
@@ -1409,6 +1469,7 @@
if (unlikely(PageSwapBacked(page) != PageSwapCache(page))) {
WARN_ON_ONCE(1);
ret = false;
+ /* We have to invalidate as we cleared the pte */
page_vma_mapped_walk_done(&pvmw);
break;
}
@@ -1454,8 +1515,12 @@
discard:
page_remove_rmap(subpage, PageHuge(page));
put_page(page);
- mmu_notifier_invalidate_page(mm, address);
+ mmu_notifier_invalidate_range(mm, address,
+ address + PAGE_SIZE);
}
+
+ mmu_notifier_invalidate_range_end(vma->vm_mm, start, end);
+
return ret;
}
diff --git a/mm/shmem.c b/mm/shmem.c
index b0aa607..fbcb3c9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1022,7 +1022,11 @@
*/
if (IS_ENABLED(CONFIG_TRANSPARENT_HUGE_PAGECACHE)) {
spin_lock(&sbinfo->shrinklist_lock);
- if (list_empty(&info->shrinklist)) {
+ /*
+ * _careful to defend against unlocked access to
+ * ->shrink_list in shmem_unused_huge_shrink()
+ */
+ if (list_empty_careful(&info->shrinklist)) {
list_add_tail(&info->shrinklist,
&sbinfo->shrinklist);
sbinfo->shrinklist_len++;
@@ -1817,7 +1821,11 @@
* to shrink under memory pressure.
*/
spin_lock(&sbinfo->shrinklist_lock);
- if (list_empty(&info->shrinklist)) {
+ /*
+ * _careful to defend against unlocked access to
+ * ->shrink_list in shmem_unused_huge_shrink()
+ */
+ if (list_empty_careful(&info->shrinklist)) {
list_add_tail(&info->shrinklist,
&sbinfo->shrinklist);
sbinfo->shrinklist_len++;
@@ -3959,7 +3967,7 @@
}
#ifdef CONFIG_TRANSPARENT_HUGE_PAGECACHE
- if (has_transparent_hugepage() && shmem_huge < SHMEM_HUGE_DENY)
+ if (has_transparent_hugepage() && shmem_huge > SHMEM_HUGE_DENY)
SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;
else
shmem_huge = 0; /* just in case it was patched */
@@ -4020,7 +4028,7 @@
return -EINVAL;
shmem_huge = huge;
- if (shmem_huge < SHMEM_HUGE_DENY)
+ if (shmem_huge > SHMEM_HUGE_DENY)
SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;
return count;
}
diff --git a/mm/slub.c b/mm/slub.c
index 1d3f983..e8b4e31 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5642,13 +5642,14 @@
* A cache is never shut down before deactivation is
* complete, so no need to worry about synchronization.
*/
- return;
+ goto out;
#ifdef CONFIG_MEMCG
kset_unregister(s->memcg_kset);
#endif
kobject_uevent(&s->kobj, KOBJ_REMOVE);
kobject_del(&s->kobj);
+out:
kobject_put(&s->kobj);
}
diff --git a/mm/util.c b/mm/util.c
index 7b07ec8..9ecddf5 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -633,7 +633,7 @@
* which are reclaimable, under pressure. The dentry
* cache and most inode caches should fall into this
*/
- free += global_page_state(NR_SLAB_RECLAIMABLE);
+ free += global_node_page_state(NR_SLAB_RECLAIMABLE);
/*
* Leave reserved pages. The pages are not for anonymous pages.
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8698c1c..a47e389 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1671,7 +1671,10 @@
struct page **pages;
unsigned int nr_pages, array_size, i;
const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
- const gfp_t alloc_mask = gfp_mask | __GFP_HIGHMEM | __GFP_NOWARN;
+ const gfp_t alloc_mask = gfp_mask | __GFP_NOWARN;
+ const gfp_t highmem_mask = (gfp_mask & (GFP_DMA | GFP_DMA32)) ?
+ 0 :
+ __GFP_HIGHMEM;
nr_pages = get_vm_area_size(area) >> PAGE_SHIFT;
array_size = (nr_pages * sizeof(struct page *));
@@ -1679,7 +1682,7 @@
area->nr_pages = nr_pages;
/* Please note that the recursion is strictly bounded. */
if (array_size > PAGE_SIZE) {
- pages = __vmalloc_node(array_size, 1, nested_gfp|__GFP_HIGHMEM,
+ pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask,
PAGE_KERNEL, node, area->caller);
} else {
pages = kmalloc_node(array_size, nested_gfp, node);
@@ -1700,9 +1703,9 @@
}
if (node == NUMA_NO_NODE)
- page = alloc_page(alloc_mask);
+ page = alloc_page(alloc_mask|highmem_mask);
else
- page = alloc_pages_node(node, alloc_mask, 0);
+ page = alloc_pages_node(node, alloc_mask|highmem_mask, 0);
if (unlikely(!page)) {
/* Successfully allocated i pages, free them in __vunmap() */
@@ -1710,7 +1713,7 @@
goto fail;
}
area->pages[i] = page;
- if (gfpflags_allow_blocking(gfp_mask))
+ if (gfpflags_allow_blocking(gfp_mask|highmem_mask))
cond_resched();
}
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 013eea7..308acb9 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -2453,7 +2453,6 @@
}
destroy_cache(pool);
- kfree(pool->size_class);
kfree(pool->name);
kfree(pool);
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index e1133bc..8a3ce79 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1549,9 +1549,41 @@
return found;
}
+/**
+ * batadv_tt_global_sync_flags - update TT sync flags
+ * @tt_global: the TT global entry to update sync flags in
+ *
+ * Updates the sync flag bits in the tt_global flag attribute with a logical
+ * OR of all sync flags from any of its TT orig entries.
+ */
+static void
+batadv_tt_global_sync_flags(struct batadv_tt_global_entry *tt_global)
+{
+ struct batadv_tt_orig_list_entry *orig_entry;
+ const struct hlist_head *head;
+ u16 flags = BATADV_NO_FLAGS;
+
+ rcu_read_lock();
+ head = &tt_global->orig_list;
+ hlist_for_each_entry_rcu(orig_entry, head, list)
+ flags |= orig_entry->flags;
+ rcu_read_unlock();
+
+ flags |= tt_global->common.flags & (~BATADV_TT_SYNC_MASK);
+ tt_global->common.flags = flags;
+}
+
+/**
+ * batadv_tt_global_orig_entry_add - add or update a TT orig entry
+ * @tt_global: the TT global entry to add an orig entry in
+ * @orig_node: the originator to add an orig entry for
+ * @ttvn: translation table version number of this changeset
+ * @flags: TT sync flags
+ */
static void
batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
- struct batadv_orig_node *orig_node, int ttvn)
+ struct batadv_orig_node *orig_node, int ttvn,
+ u8 flags)
{
struct batadv_tt_orig_list_entry *orig_entry;
@@ -1561,7 +1593,8 @@
* was added during a "temporary client detection"
*/
orig_entry->ttvn = ttvn;
- goto out;
+ orig_entry->flags = flags;
+ goto sync_flags;
}
orig_entry = kmem_cache_zalloc(batadv_tt_orig_cache, GFP_ATOMIC);
@@ -1573,6 +1606,7 @@
batadv_tt_global_size_inc(orig_node, tt_global->common.vid);
orig_entry->orig_node = orig_node;
orig_entry->ttvn = ttvn;
+ orig_entry->flags = flags;
kref_init(&orig_entry->refcount);
spin_lock_bh(&tt_global->list_lock);
@@ -1582,6 +1616,8 @@
spin_unlock_bh(&tt_global->list_lock);
atomic_inc(&tt_global->orig_list_count);
+sync_flags:
+ batadv_tt_global_sync_flags(tt_global);
out:
if (orig_entry)
batadv_tt_orig_list_entry_put(orig_entry);
@@ -1703,10 +1739,10 @@
}
/* the change can carry possible "attribute" flags like the
- * TT_CLIENT_WIFI, therefore they have to be copied in the
+ * TT_CLIENT_TEMP, therefore they have to be copied in the
* client entry
*/
- common->flags |= flags;
+ common->flags |= flags & (~BATADV_TT_SYNC_MASK);
/* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only
* one originator left in the list and we previously received a
@@ -1723,7 +1759,8 @@
}
add_orig_entry:
/* add the new orig_entry (if needed) or update it */
- batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn);
+ batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn,
+ flags & BATADV_TT_SYNC_MASK);
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Creating new global tt entry: %pM (vid: %d, via %pM)\n",
@@ -1946,6 +1983,7 @@
struct batadv_tt_orig_list_entry *orig,
bool best)
{
+ u16 flags = (common->flags & (~BATADV_TT_SYNC_MASK)) | orig->flags;
void *hdr;
struct batadv_orig_node_vlan *vlan;
u8 last_ttvn;
@@ -1975,7 +2013,7 @@
nla_put_u8(msg, BATADV_ATTR_TT_LAST_TTVN, last_ttvn) ||
nla_put_u32(msg, BATADV_ATTR_TT_CRC32, crc) ||
nla_put_u16(msg, BATADV_ATTR_TT_VID, common->vid) ||
- nla_put_u32(msg, BATADV_ATTR_TT_FLAGS, common->flags))
+ nla_put_u32(msg, BATADV_ATTR_TT_FLAGS, flags))
goto nla_put_failure;
if (best && nla_put_flag(msg, BATADV_ATTR_FLAG_BEST))
@@ -2589,6 +2627,7 @@
unsigned short vid)
{
struct batadv_hashtable *hash = bat_priv->tt.global_hash;
+ struct batadv_tt_orig_list_entry *tt_orig;
struct batadv_tt_common_entry *tt_common;
struct batadv_tt_global_entry *tt_global;
struct hlist_head *head;
@@ -2627,8 +2666,9 @@
/* find out if this global entry is announced by this
* originator
*/
- if (!batadv_tt_global_entry_has_orig(tt_global,
- orig_node))
+ tt_orig = batadv_tt_global_orig_entry_find(tt_global,
+ orig_node);
+ if (!tt_orig)
continue;
/* use network order to read the VID: this ensures that
@@ -2640,10 +2680,12 @@
/* compute the CRC on flags that have to be kept in sync
* among nodes
*/
- flags = tt_common->flags & BATADV_TT_SYNC_MASK;
+ flags = tt_orig->flags;
crc_tmp = crc32c(crc_tmp, &flags, sizeof(flags));
crc ^= crc32c(crc_tmp, tt_common->addr, ETH_ALEN);
+
+ batadv_tt_orig_list_entry_put(tt_orig);
}
rcu_read_unlock();
}
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index ea43a64..a627958 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -1260,6 +1260,7 @@
* struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client
* @orig_node: pointer to orig node announcing this non-mesh client
* @ttvn: translation table version number which added the non-mesh client
+ * @flags: per orig entry TT sync flags
* @list: list node for batadv_tt_global_entry::orig_list
* @refcount: number of contexts the object is used
* @rcu: struct used for freeing in an RCU-safe manner
@@ -1267,6 +1268,7 @@
struct batadv_tt_orig_list_entry {
struct batadv_orig_node *orig_node;
u8 ttvn;
+ u8 flags;
struct hlist_node list;
struct kref refcount;
struct rcu_head rcu;
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index f0f3447..5a7be3b 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -34,11 +34,11 @@
netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
struct net_bridge_mdb_entry *mdst;
struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats);
const struct nf_br_ops *nf_ops;
+ const unsigned char *dest;
u16 vid = 0;
rcu_read_lock();
@@ -53,6 +53,9 @@
brstats->tx_bytes += skb->len;
u64_stats_update_end(&brstats->syncp);
+#ifdef CONFIG_NET_SWITCHDEV
+ skb->offload_fwd_mark = 0;
+#endif
BR_INPUT_SKB_CB(skb)->brdev = dev;
skb_reset_mac_header(skb);
@@ -61,6 +64,7 @@
if (!br_allowed_ingress(br, br_vlan_group_rcu(br), skb, &vid))
goto out;
+ dest = eth_hdr(skb)->h_dest;
if (is_broadcast_ether_addr(dest)) {
br_flood(br, skb, BR_PKT_BROADCAST, false, true);
} else if (is_multicast_ether_addr(dest)) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 013f2290b..7637f58 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -131,11 +131,11 @@
int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
struct net_bridge_port *p = br_port_get_rcu(skb->dev);
- const unsigned char *dest = eth_hdr(skb)->h_dest;
enum br_pkt_type pkt_type = BR_PKT_UNICAST;
struct net_bridge_fdb_entry *dst = NULL;
struct net_bridge_mdb_entry *mdst;
bool local_rcv, mcast_hit = false;
+ const unsigned char *dest;
struct net_bridge *br;
u16 vid = 0;
@@ -153,6 +153,7 @@
br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false);
local_rcv = !!(br->dev->flags & IFF_PROMISC);
+ dest = eth_hdr(skb)->h_dest;
if (is_multicast_ether_addr(dest)) {
/* by definition the broadcast is also a multicast address */
if (is_broadcast_ether_addr(dest)) {
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index 181a44d..f6b1c7d 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -115,7 +115,7 @@
void
br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
{
- if (!fdb->added_by_user)
+ if (!fdb->added_by_user || !fdb->dst)
return;
switch (type) {
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 746b145..417df67 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -306,7 +306,7 @@
const struct crush_choose_arg *arg,
int position)
{
- if (!arg || !arg->weight_set || arg->weight_set_size == 0)
+ if (!arg || !arg->weight_set)
return bucket->item_weights;
if (position >= arg->weight_set_size)
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 0c31035..a67298c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1287,10 +1287,10 @@
if (m->needs_out_seq) {
m->hdr.seq = cpu_to_le64(++con->out_seq);
m->needs_out_seq = false;
- }
- if (con->ops->reencode_message)
- con->ops->reencode_message(m);
+ if (con->ops->reencode_message)
+ con->ops->reencode_message(m);
+ }
dout("prepare_write_message %p seq %lld type %d len %d+%d+%zd\n",
m, con->out_seq, le16_to_cpu(m->hdr.type),
@@ -3203,8 +3203,10 @@
return NULL;
data = kmem_cache_zalloc(ceph_msg_data_cache, GFP_NOFS);
- if (data)
- data->type = type;
+ if (!data)
+ return NULL;
+
+ data->type = type;
INIT_LIST_HEAD(&data->links);
return data;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 86a9737..dcfbdd7 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1337,6 +1337,8 @@
bool legacy_change;
bool split = false;
bool sort_bitwise = ceph_osdmap_flag(osdc, CEPH_OSDMAP_SORTBITWISE);
+ bool recovery_deletes = ceph_osdmap_flag(osdc,
+ CEPH_OSDMAP_RECOVERY_DELETES);
enum calc_target_result ct_res;
int ret;
@@ -1399,6 +1401,8 @@
pi->pg_num,
t->sort_bitwise,
sort_bitwise,
+ t->recovery_deletes,
+ recovery_deletes,
&last_pgid))
force_resend = true;
@@ -1421,6 +1425,7 @@
t->pg_num = pi->pg_num;
t->pg_num_mask = pi->pg_num_mask;
t->sort_bitwise = sort_bitwise;
+ t->recovery_deletes = recovery_deletes;
t->osd = acting.primary;
}
@@ -1918,10 +1923,12 @@
}
ceph_encode_32(&p, req->r_attempts); /* retry_attempt */
- BUG_ON(p != end - 8); /* space for features */
+ BUG_ON(p > end - 8); /* space for features */
msg->hdr.version = cpu_to_le16(8); /* MOSDOp v8 */
/* front_len is finalized in encode_request_finish() */
+ msg->front.iov_len = p - msg->front.iov_base;
+ msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
msg->hdr.data_len = cpu_to_le32(data_len);
/*
* The header "data_off" is a hint to the receiver allowing it
@@ -1937,11 +1944,12 @@
static void encode_request_finish(struct ceph_msg *msg)
{
void *p = msg->front.iov_base;
+ void *const partial_end = p + msg->front.iov_len;
void *const end = p + msg->front_alloc_len;
if (CEPH_HAVE_FEATURE(msg->con->peer_features, RESEND_ON_SPLIT)) {
/* luminous OSD -- encode features and be done */
- p = end - 8;
+ p = partial_end;
ceph_encode_64(&p, msg->con->peer_features);
} else {
struct {
@@ -1984,7 +1992,7 @@
oid_len = p - oid;
tail = p;
- tail_len = (end - p) - 8;
+ tail_len = partial_end - p;
p = msg->front.iov_base;
ceph_encode_copy(&p, &head.client_inc, sizeof(head.client_inc));
@@ -5310,7 +5318,10 @@
static void osd_reencode_message(struct ceph_msg *msg)
{
- encode_request_finish(msg);
+ int type = le16_to_cpu(msg->hdr.type);
+
+ if (type == CEPH_MSG_OSD_OP)
+ encode_request_finish(msg);
}
static int osd_sign_message(struct ceph_msg *msg)
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 864789c..f358d0b 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -295,6 +295,10 @@
ret = decode_choose_arg(p, end, arg);
if (ret)
goto fail;
+
+ if (arg->ids_size &&
+ arg->ids_size != c->buckets[bucket_index]->size)
+ goto e_inval;
}
insert_choose_arg_map(&c->choose_args, arg_map);
@@ -338,7 +342,7 @@
static struct crush_map *crush_decode(void *pbyval, void *end)
{
struct crush_map *c;
- int err = -EINVAL;
+ int err;
int i, j;
void **p = &pbyval;
void *start = pbyval;
@@ -407,7 +411,6 @@
size = sizeof(struct crush_bucket_straw2);
break;
default:
- err = -EINVAL;
goto bad;
}
BUG_ON(size == 0);
@@ -439,31 +442,31 @@
err = crush_decode_uniform_bucket(p, end,
(struct crush_bucket_uniform *)b);
if (err < 0)
- goto bad;
+ goto fail;
break;
case CRUSH_BUCKET_LIST:
err = crush_decode_list_bucket(p, end,
(struct crush_bucket_list *)b);
if (err < 0)
- goto bad;
+ goto fail;
break;
case CRUSH_BUCKET_TREE:
err = crush_decode_tree_bucket(p, end,
(struct crush_bucket_tree *)b);
if (err < 0)
- goto bad;
+ goto fail;
break;
case CRUSH_BUCKET_STRAW:
err = crush_decode_straw_bucket(p, end,
(struct crush_bucket_straw *)b);
if (err < 0)
- goto bad;
+ goto fail;
break;
case CRUSH_BUCKET_STRAW2:
err = crush_decode_straw2_bucket(p, end,
(struct crush_bucket_straw2 *)b);
if (err < 0)
- goto bad;
+ goto fail;
break;
}
}
@@ -474,7 +477,6 @@
u32 yes;
struct crush_rule *r;
- err = -EINVAL;
ceph_decode_32_safe(p, end, yes, bad);
if (!yes) {
dout("crush_decode NO rule %d off %x %p to %p\n",
@@ -489,7 +491,6 @@
/* len */
ceph_decode_32_safe(p, end, yes, bad);
#if BITS_PER_LONG == 32
- err = -EINVAL;
if (yes > (ULONG_MAX - sizeof(*r))
/ sizeof(struct crush_rule_step))
goto bad;
@@ -557,7 +558,7 @@
if (*p != end) {
err = decode_choose_args(p, end, c);
if (err)
- goto bad;
+ goto fail;
}
done:
@@ -567,10 +568,14 @@
badmem:
err = -ENOMEM;
-bad:
+fail:
dout("crush_decode fail %d\n", err);
crush_destroy(c);
return ERR_PTR(err);
+
+bad:
+ err = -EINVAL;
+ goto fail;
}
int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs)
@@ -1399,7 +1404,7 @@
return ERR_PTR(-EINVAL);
ceph_decode_need(p, end, 2 * len * sizeof(u32), e_inval);
- pg = kzalloc(sizeof(*pg) + 2 * len * sizeof(u32), GFP_NOIO);
+ pg = alloc_pg_mapping(2 * len * sizeof(u32));
if (!pg)
return ERR_PTR(-ENOMEM);
@@ -1544,7 +1549,7 @@
if (struct_v >= 3) {
/* erasure_code_profiles */
ceph_decode_skip_map_of_map(p, end, string, string, string,
- bad);
+ e_inval);
}
if (struct_v >= 4) {
@@ -1825,9 +1830,9 @@
if (struct_v >= 3) {
/* new_erasure_code_profiles */
ceph_decode_skip_map_of_map(p, end, string, string, string,
- bad);
+ e_inval);
/* old_erasure_code_profiles */
- ceph_decode_skip_set(p, end, string, bad);
+ ceph_decode_skip_set(p, end, string, e_inval);
}
if (struct_v >= 4) {
@@ -2077,6 +2082,8 @@
u32 new_pg_num,
bool old_sort_bitwise,
bool new_sort_bitwise,
+ bool old_recovery_deletes,
+ bool new_recovery_deletes,
const struct ceph_pg *pgid)
{
return !osds_equal(old_acting, new_acting) ||
@@ -2084,7 +2091,8 @@
old_size != new_size ||
old_min_size != new_min_size ||
ceph_pg_is_split(pgid, old_pg_num, new_pg_num) ||
- old_sort_bitwise != new_sort_bitwise;
+ old_sort_bitwise != new_sort_bitwise ||
+ old_recovery_deletes != new_recovery_deletes;
}
static int calc_pg_rank(int osd, const struct ceph_osds *acting)
@@ -2300,10 +2308,17 @@
}
}
+/*
+ * Magic value used for a "default" fallback choose_args, used if the
+ * crush_choose_arg_map passed to do_crush() does not exist. If this
+ * also doesn't exist, fall back to canonical weights.
+ */
+#define CEPH_DEFAULT_CHOOSE_ARGS -1
+
static int do_crush(struct ceph_osdmap *map, int ruleno, int x,
int *result, int result_max,
const __u32 *weight, int weight_max,
- u64 choose_args_index)
+ s64 choose_args_index)
{
struct crush_choose_arg_map *arg_map;
int r;
@@ -2312,6 +2327,9 @@
arg_map = lookup_choose_arg_map(&map->crush->choose_args,
choose_args_index);
+ if (!arg_map)
+ arg_map = lookup_choose_arg_map(&map->crush->choose_args,
+ CEPH_DEFAULT_CHOOSE_ARGS);
mutex_lock(&map->crush_workspace_mutex);
r = crush_do_rule(map->crush, ruleno, x, result, result_max,
@@ -2422,40 +2440,23 @@
for (i = 0; i < pg->pg_upmap.len; i++)
raw->osds[i] = pg->pg_upmap.osds[i];
raw->size = pg->pg_upmap.len;
- return;
+ /* check and apply pg_upmap_items, if any */
}
pg = lookup_pg_mapping(&osdmap->pg_upmap_items, pgid);
if (pg) {
- /*
- * Note: this approach does not allow a bidirectional swap,
- * e.g., [[1,2],[2,1]] applied to [0,1,2] -> [0,2,1].
- */
- for (i = 0; i < pg->pg_upmap_items.len; i++) {
- int from = pg->pg_upmap_items.from_to[i][0];
- int to = pg->pg_upmap_items.from_to[i][1];
- int pos = -1;
- bool exists = false;
+ for (i = 0; i < raw->size; i++) {
+ for (j = 0; j < pg->pg_upmap_items.len; j++) {
+ int from = pg->pg_upmap_items.from_to[j][0];
+ int to = pg->pg_upmap_items.from_to[j][1];
- /* make sure replacement doesn't already appear */
- for (j = 0; j < raw->size; j++) {
- int osd = raw->osds[j];
-
- if (osd == to) {
- exists = true;
+ if (from == raw->osds[i]) {
+ if (!(to != CRUSH_ITEM_NONE &&
+ to < osdmap->max_osd &&
+ osdmap->osd_weight[to] == 0))
+ raw->osds[i] = to;
break;
}
- /* ignore mapping if target is marked out */
- if (osd == from && pos < 0 &&
- !(to != CRUSH_ITEM_NONE &&
- to < osdmap->max_osd &&
- osdmap->osd_weight[to] == 0)) {
- pos = j;
- }
- }
- if (!exists && pos >= 0) {
- raw->osds[pos] = to;
- return;
}
}
}
diff --git a/net/core/datagram.c b/net/core/datagram.c
index ee5647b..8c2f448 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -169,14 +169,20 @@
int *peeked, int *off, int *err,
struct sk_buff **last)
{
+ bool peek_at_off = false;
struct sk_buff *skb;
- int _off = *off;
+ int _off = 0;
+
+ if (unlikely(flags & MSG_PEEK && *off >= 0)) {
+ peek_at_off = true;
+ _off = *off;
+ }
*last = queue->prev;
skb_queue_walk(queue, skb) {
if (flags & MSG_PEEK) {
- if (_off >= skb->len && (skb->len || _off ||
- skb->peeked)) {
+ if (peek_at_off && _off >= skb->len &&
+ (_off || skb->peeked)) {
_off -= skb->len;
continue;
}
@@ -356,7 +362,7 @@
if (flags & MSG_PEEK) {
err = -ENOENT;
spin_lock_bh(&sk_queue->lock);
- if (skb == skb_peek(sk_queue)) {
+ if (skb->next) {
__skb_unlink(skb, sk_queue);
refcount_dec(&skb->users);
if (destructor)
diff --git a/net/core/dev.c b/net/core/dev.c
index 8515f8f..86b4b0a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2739,7 +2739,7 @@
{
if (tx_path)
return skb->ip_summed != CHECKSUM_PARTIAL &&
- skb->ip_summed != CHECKSUM_NONE;
+ skb->ip_summed != CHECKSUM_UNNECESSARY;
return skb->ip_summed == CHECKSUM_NONE;
}
@@ -5289,6 +5289,7 @@
* Ideally, a new ndo_busy_poll_stop() could avoid another round.
*/
rc = napi->poll(napi, BUSY_POLL_BUDGET);
+ trace_napi_poll(napi, rc, BUSY_POLL_BUDGET);
netpoll_poll_unlock(have_poll_lock);
if (rc == BUSY_POLL_BUDGET)
__napi_schedule(napi);
@@ -5667,12 +5668,13 @@
* Find out if a device is linked to an upper device and return true in case
* it is. The caller must hold the RTNL lock.
*/
-static bool netdev_has_any_upper_dev(struct net_device *dev)
+bool netdev_has_any_upper_dev(struct net_device *dev)
{
ASSERT_RTNL();
return !list_empty(&dev->adj_list.upper);
}
+EXPORT_SYMBOL(netdev_has_any_upper_dev);
/**
* netdev_master_upper_dev_get - Get master upper device
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 82fd4c9..709a4e6 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -28,6 +28,7 @@
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
return -EFAULT;
+ ifr.ifr_name[IFNAMSIZ-1] = 0;
error = netdev_get_name(net, ifr.ifr_name, ifr.ifr_ifindex);
if (error)
@@ -262,6 +263,8 @@
return dev_set_mtu(dev, ifr->ifr_mtu);
case SIOCSIFHWADDR:
+ if (dev->addr_len > sizeof(struct sockaddr))
+ return -EINVAL;
return dev_set_mac_address(dev, &ifr->ifr_hwaddr);
case SIOCSIFHWBROADCAST:
@@ -424,6 +427,8 @@
if (copy_from_user(&iwr, arg, sizeof(iwr)))
return -EFAULT;
+ iwr.ifr_name[sizeof(iwr.ifr_name) - 1] = 0;
+
return wext_handle_ioctl(net, &iwr, cmd, arg);
}
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index a0093e1..fdcb1bc 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -400,6 +400,7 @@
err = -ENOMEM;
goto errout;
}
+ refcount_set(&rule->refcnt, 1);
rule->fr_net = net;
rule->pref = tb[FRA_PRIORITY] ? nla_get_u32(tb[FRA_PRIORITY])
@@ -517,8 +518,6 @@
last = r;
}
- refcount_set(&rule->refcnt, 1);
-
if (last)
list_add_rcu(&rule->list, &last->list);
else
diff --git a/net/core/filter.c b/net/core/filter.c
index c7f7370..1699749 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2248,7 +2248,7 @@
bpf_skb_net_grow(skb, len_diff_abs);
bpf_compute_data_end(skb);
- return 0;
+ return ret;
}
BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff,
@@ -2836,15 +2836,12 @@
sk->sk_prot->setsockopt == tcp_setsockopt) {
if (optname == TCP_CONGESTION) {
char name[TCP_CA_NAME_MAX];
+ bool reinit = bpf_sock->op > BPF_SOCK_OPS_NEEDS_ECN;
strncpy(name, optval, min_t(long, optlen,
TCP_CA_NAME_MAX-1));
name[TCP_CA_NAME_MAX-1] = 0;
- ret = tcp_set_congestion_control(sk, name, false);
- if (!ret && bpf_sock->op > BPF_SOCK_OPS_NEEDS_ECN)
- /* replacing an existing ca */
- tcp_reinit_congestion_control(sk,
- inet_csk(sk)->icsk_ca_ops);
+ ret = tcp_set_congestion_control(sk, name, false, reinit);
} else {
struct tcp_sock *tp = tcp_sk(sk);
@@ -2872,7 +2869,6 @@
ret = -EINVAL;
}
}
- ret = -EINVAL;
#endif
} else {
ret = -EINVAL;
@@ -3505,6 +3501,7 @@
bpf_target_off(struct sk_buff, tc_index, 2,
target_size));
#else
+ *target_size = 2;
if (type == BPF_WRITE)
*insn++ = BPF_MOV64_REG(si->dst_reg, si->dst_reg);
else
@@ -3520,6 +3517,7 @@
*insn++ = BPF_JMP_IMM(BPF_JGE, si->dst_reg, MIN_NAPI_ID, 1);
*insn++ = BPF_MOV64_IMM(si->dst_reg, 0);
#else
+ *target_size = 4;
*insn++ = BPF_MOV64_IMM(si->dst_reg, 0);
#endif
break;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index d3408a6..912731b 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -277,7 +277,7 @@
struct sk_buff *skb = clist;
clist = clist->next;
if (!skb_irq_freeable(skb)) {
- refcount_inc(&skb->users);
+ refcount_set(&skb->users, 1);
dev_kfree_skb_any(skb); /* put this one back */
} else {
__kfree_skb(skb);
@@ -666,7 +666,7 @@
int err;
rtnl_lock();
- if (np->dev_name) {
+ if (np->dev_name[0]) {
struct net *net = current->nsproxy->net_ns;
ndev = __dev_get_by_name(net, np->dev_name);
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d1ba909..9201e36 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2031,7 +2031,8 @@
struct sockaddr *sa;
int len;
- len = sizeof(sa_family_t) + dev->addr_len;
+ len = sizeof(sa_family_t) + max_t(size_t, dev->addr_len,
+ sizeof(*sa));
sa = kmalloc(len, GFP_KERNEL);
if (!sa) {
err = -ENOMEM;
@@ -4241,6 +4242,7 @@
switch (event) {
case NETDEV_REBOOT:
+ case NETDEV_CHANGEADDR:
case NETDEV_CHANGENAME:
case NETDEV_FEAT_CHANGE:
case NETDEV_BONDING_FAILOVER:
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f990eb8..e075566 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1363,18 +1363,20 @@
EXPORT_SYMBOL(skb_copy_expand);
/**
- * skb_pad - zero pad the tail of an skb
+ * __skb_pad - zero pad the tail of an skb
* @skb: buffer to pad
* @pad: space to pad
+ * @free_on_error: free buffer on error
*
* Ensure that a buffer is followed by a padding area that is zero
* filled. Used by network drivers which may DMA or transfer data
* beyond the buffer end onto the wire.
*
- * May return error in out of memory cases. The skb is freed on error.
+ * May return error in out of memory cases. The skb is freed on error
+ * if @free_on_error is true.
*/
-int skb_pad(struct sk_buff *skb, int pad)
+int __skb_pad(struct sk_buff *skb, int pad, bool free_on_error)
{
int err;
int ntail;
@@ -1403,10 +1405,11 @@
return 0;
free_skb:
- kfree_skb(skb);
+ if (free_on_error)
+ kfree_skb(skb);
return err;
}
-EXPORT_SYMBOL(skb_pad);
+EXPORT_SYMBOL(__skb_pad);
/**
* pskb_put - add data to the tail of a potentially fragmented buffer
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 1704948..f227f00 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -1471,9 +1471,12 @@
* singleton values (which always leads to failure).
* These settings can still (later) be overridden via sockopts.
*/
- if (ccid_get_builtin_ccids(&tx.val, &tx.len) ||
- ccid_get_builtin_ccids(&rx.val, &rx.len))
+ if (ccid_get_builtin_ccids(&tx.val, &tx.len))
return -ENOBUFS;
+ if (ccid_get_builtin_ccids(&rx.val, &rx.len)) {
+ kfree(tx.val);
+ return -ENOBUFS;
+ }
if (!dccp_feat_prefer(sysctl_dccp_tx_ccid, tx.val, tx.len) ||
!dccp_feat_prefer(sysctl_dccp_rx_ccid, rx.val, rx.len))
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 4a05d78..fa6be97 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -126,7 +126,7 @@
static u16 dccp_reset_code_convert(const u8 code)
{
- const u16 error_code[] = {
+ static const u16 error_code[] = {
[DCCP_RESET_CODE_CLOSED] = 0, /* normal termination */
[DCCP_RESET_CODE_UNSPECIFIED] = 0, /* nothing known */
[DCCP_RESET_CODE_ABORTED] = ECONNRESET,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index f85d901..1b202f1 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -631,6 +631,7 @@
goto drop_and_free;
inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
+ reqsk_put(req);
return 0;
drop_and_free:
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index c376af5..1b58eac 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -380,6 +380,7 @@
goto drop_and_free;
inet_csk_reqsk_queue_hash_add(sk, req, DCCP_TIMEOUT_INIT);
+ reqsk_put(req);
return 0;
drop_and_free:
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 9fe25bf..b68168f 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -24,6 +24,7 @@
#include <net/checksum.h>
#include <net/inet_sock.h>
+#include <net/inet_common.h>
#include <net/sock.h>
#include <net/xfrm.h>
@@ -170,6 +171,15 @@
EXPORT_SYMBOL_GPL(dccp_packet_name);
+static void dccp_sk_destruct(struct sock *sk)
+{
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
+ dp->dccps_hc_tx_ccid = NULL;
+ inet_sock_destruct(sk);
+}
+
int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
{
struct dccp_sock *dp = dccp_sk(sk);
@@ -179,6 +189,7 @@
icsk->icsk_syn_retries = sysctl_dccp_request_retries;
sk->sk_state = DCCP_CLOSED;
sk->sk_write_space = dccp_write_space;
+ sk->sk_destruct = dccp_sk_destruct;
icsk->icsk_sync_mss = dccp_sync_mss;
dp->dccps_mss_cache = 536;
dp->dccps_rate_last = jiffies;
@@ -201,10 +212,7 @@
{
struct dccp_sock *dp = dccp_sk(sk);
- /*
- * DCCP doesn't use sk_write_queue, just sk_send_head
- * for retransmissions
- */
+ __skb_queue_purge(&sk->sk_write_queue);
if (sk->sk_send_head != NULL) {
kfree_skb(sk->sk_send_head);
sk->sk_send_head = NULL;
@@ -222,8 +230,7 @@
dp->dccps_hc_rx_ackvec = NULL;
}
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
- ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
- dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
+ dp->dccps_hc_rx_ccid = NULL;
/* clean up feature negotiation state */
dccp_feat_list_purge(&dp->dccps_featneg);
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 56e4609..20bc9c5 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -509,21 +509,22 @@
dst->cpu_dp->netdev = ethernet_dev;
}
- tag_protocol = ds->ops->get_tag_protocol(ds);
- dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
- if (IS_ERR(dst->tag_ops)) {
- dev_warn(ds->dev, "No tagger for this switch\n");
- return PTR_ERR(dst->tag_ops);
- }
-
- dst->rcv = dst->tag_ops->rcv;
-
/* Initialize cpu_port_mask now for drv->setup()
* to have access to a correct value, just like what
* net/dsa/dsa.c::dsa_switch_setup_one does.
*/
ds->cpu_port_mask |= BIT(index);
+ tag_protocol = ds->ops->get_tag_protocol(ds);
+ dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
+ if (IS_ERR(dst->tag_ops)) {
+ dev_warn(ds->dev, "No tagger for this switch\n");
+ ds->cpu_port_mask &= ~BIT(index);
+ return PTR_ERR(dst->tag_ops);
+ }
+
+ dst->rcv = dst->tag_ops->rcv;
+
return 0;
}
@@ -576,7 +577,7 @@
return err;
}
- if (!dst->cpu_dp->netdev) {
+ if (!dst->cpu_dp) {
pr_warn("Tree has no master device\n");
return -EINVAL;
}
diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c
index fab41de..fcd90f7 100644
--- a/net/dsa/tag_ksz.c
+++ b/net/dsa/tag_ksz.c
@@ -42,6 +42,10 @@
padlen = (skb->len >= ETH_ZLEN) ? 0 : ETH_ZLEN - skb->len;
if (skb_tailroom(skb) >= padlen + KSZ_INGRESS_TAG_LEN) {
+ /* Let dsa_slave_xmit() free skb */
+ if (__skb_put_padto(skb, skb->len + padlen, false))
+ return NULL;
+
nskb = skb;
} else {
nskb = alloc_skb(NET_IP_ALIGN + skb->len +
@@ -56,12 +60,15 @@
skb_set_transport_header(nskb,
skb_transport_header(skb) - skb->head);
skb_copy_and_csum_dev(skb, skb_put(nskb, skb->len));
- kfree_skb(skb);
- }
- /* skb is freed when it fails */
- if (skb_put_padto(nskb, nskb->len + padlen))
- return NULL;
+ /* Let skb_put_padto() free nskb, and let dsa_slave_xmit() free
+ * skb
+ */
+ if (skb_put_padto(nskb, nskb->len + padlen))
+ return NULL;
+
+ consume_skb(skb);
+ }
tag = skb_put(nskb, KSZ_INGRESS_TAG_LEN);
tag[0] = 0;
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index b09e562..9c7b1d7 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -40,7 +40,7 @@
skb_set_network_header(nskb, skb_network_header(skb) - skb->head);
skb_set_transport_header(nskb, skb_transport_header(skb) - skb->head);
skb_copy_and_csum_dev(skb, skb_put(nskb, skb->len));
- kfree_skb(skb);
+ consume_skb(skb);
if (padlen) {
skb_put_zero(nskb, padlen);
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 4e7bdb2..172d830 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -314,7 +314,8 @@
hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload));
ether_addr_copy(hsr_sp->MacAddressA, master->dev->dev_addr);
- skb_put_padto(skb, ETH_ZLEN + HSR_HLEN);
+ if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN))
+ return;
hsr_forward_skb(skb, master);
return;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 76c2077c..2e548ec 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1731,6 +1731,13 @@
net->ipv4.sysctl_ip_prot_sock = PROT_SOCK;
#endif
+ /* Some igmp sysctl, whose values are always used */
+ net->ipv4.sysctl_igmp_max_memberships = 20;
+ net->ipv4.sysctl_igmp_max_msf = 10;
+ /* IGMP reports for link-local multicast groups are enabled by default */
+ net->ipv4.sysctl_igmp_llm_reports = 1;
+ net->ipv4.sysctl_igmp_qrv = 2;
+
return 0;
}
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index c4c6e19..2ae8f54 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -1523,9 +1523,17 @@
int taglen;
for (optlen = iph->ihl*4 - sizeof(struct iphdr); optlen > 0; ) {
- if (optptr[0] == IPOPT_CIPSO)
+ switch (optptr[0]) {
+ case IPOPT_CIPSO:
return optptr;
- taglen = optptr[1];
+ case IPOPT_END:
+ return NULL;
+ case IPOPT_NOOP:
+ taglen = 1;
+ break;
+ default:
+ taglen = optptr[1];
+ }
optlen -= taglen;
optptr += taglen;
}
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 0cbee0a..df68963 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -258,7 +258,7 @@
esp_output_udp_encap(x, skb, esp);
if (!skb_cloned(skb)) {
- if (tailen <= skb_availroom(skb)) {
+ if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
trailer = skb;
tail = skb_tail_pointer(trailer);
@@ -292,8 +292,6 @@
kunmap_atomic(vaddr);
- spin_unlock_bh(&x->lock);
-
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
@@ -301,6 +299,9 @@
skb_shinfo(skb)->nr_frags = ++nfrags;
pfrag->offset = pfrag->offset + allocsize;
+
+ spin_unlock_bh(&x->lock);
+
nfrags++;
skb->len += tailen;
@@ -381,7 +382,7 @@
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
if (!esp->inplace) {
int allocsize;
@@ -392,7 +393,7 @@
spin_lock_bh(&x->lock);
if (unlikely(!skb_page_frag_refill(allocsize, pfrag, GFP_ATOMIC))) {
spin_unlock_bh(&x->lock);
- goto error;
+ goto error_free;
}
skb_shinfo(skb)->nr_frags = 1;
@@ -409,7 +410,7 @@
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
}
if ((x->props.flags & XFRM_STATE_ESN))
@@ -442,8 +443,9 @@
if (sg != dsg)
esp_ssg_unref(x, tmp);
- kfree(tmp);
+error_free:
+ kfree(tmp);
error:
return err;
}
@@ -695,8 +697,10 @@
sg_init_table(sg, nfrags);
err = skb_to_sgvec(skb, sg, 0, skb->len);
- if (unlikely(err < 0))
+ if (unlikely(err < 0)) {
+ kfree(tmp);
goto out;
+ }
skb->ip_summed = CHECKSUM_NONE;
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index e066601..5011232 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -257,7 +257,7 @@
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp_output_tail(x, skb, &esp);
- if (err < 0)
+ if (err)
return err;
secpath_reset(skb);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 4e678fa..044d2a1 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1334,13 +1334,14 @@
void __init ip_fib_init(void)
{
- rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
- rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
- rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
+ fib_trie_init();
register_pernet_subsys(&fib_net_ops);
+
register_netdevice_notifier(&fib_netdev_notifier);
register_inetaddr_notifier(&fib_inetaddr_notifier);
- fib_trie_init();
+ rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
}
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 22210010..ec3a9ce 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1083,15 +1083,17 @@
fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
if (!fi)
goto failure;
- fib_info_cnt++;
if (cfg->fc_mx) {
fi->fib_metrics = kzalloc(sizeof(*fi->fib_metrics), GFP_KERNEL);
- if (!fi->fib_metrics)
- goto failure;
+ if (unlikely(!fi->fib_metrics)) {
+ kfree(fi);
+ return ERR_PTR(err);
+ }
atomic_set(&fi->fib_metrics->refcnt, 1);
- } else
+ } else {
fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
-
+ }
+ fib_info_cnt++;
fi->fib_net = net;
fi->fib_protocol = cfg->fc_protocol;
fi->fib_scope = cfg->fc_scope;
@@ -1452,7 +1454,7 @@
return call_fib_notifiers(dev_net(fib_nh->nh_dev), event_type,
&info.info);
case FIB_EVENT_NH_DEL:
- if ((IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev) &&
+ if ((in_dev && IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev) &&
fib_nh->nh_flags & RTNH_F_LINKDOWN) ||
(fib_nh->nh_flags & RTNH_F_DEAD))
return call_fib_notifiers(dev_net(fib_nh->nh_dev),
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 8e0257d..1540db6 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -450,6 +450,7 @@
out:
NAPI_GRO_CB(skb)->flush |= flush;
skb_gro_remcsum_cleanup(skb, &grc);
+ skb->remcsum_offload = 0;
return pp;
}
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 28f14af..caf2f11 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1007,10 +1007,18 @@
{
/* This basically follows the spec line by line -- see RFC1112 */
struct igmphdr *ih;
- struct in_device *in_dev = __in_dev_get_rcu(skb->dev);
+ struct net_device *dev = skb->dev;
+ struct in_device *in_dev;
int len = skb->len;
bool dropped = true;
+ if (netif_is_l3_master(dev)) {
+ dev = dev_get_by_index_rcu(dev_net(dev), IPCB(skb)->iif);
+ if (!dev)
+ goto drop;
+ }
+
+ in_dev = __in_dev_get_rcu(dev);
if (!in_dev)
goto drop;
@@ -2974,12 +2982,6 @@
goto out_sock;
}
- /* Sysctl initialization */
- net->ipv4.sysctl_igmp_max_memberships = 20;
- net->ipv4.sysctl_igmp_max_msf = 10;
- /* IGMP reports for link-local multicast groups are enabled by default */
- net->ipv4.sysctl_igmp_llm_reports = 1;
- net->ipv4.sysctl_igmp_qrv = 2;
return 0;
out_sock:
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 7eb252d..e153c40 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -599,6 +599,7 @@
hlen = iph->ihl * 4;
mtu = mtu - hlen; /* Size of data space */
IPCB(skb)->flags |= IPSKB_FRAG_COMPLETE;
+ ll_rs = LL_RESERVED_SPACE(rt->dst.dev);
/* When frag_list is given, use it. First, check its validity:
* some transformers could create wrong frag_list or break existing
@@ -614,14 +615,15 @@
if (first_len - hlen > mtu ||
((first_len - hlen) & 7) ||
ip_is_fragment(iph) ||
- skb_cloned(skb))
+ skb_cloned(skb) ||
+ skb_headroom(skb) < ll_rs)
goto slow_path;
skb_walk_frags(skb, frag) {
/* Correct geometry. */
if (frag->len > mtu ||
((frag->len & 7) && frag->next) ||
- skb_headroom(frag) < hlen)
+ skb_headroom(frag) < hlen + ll_rs)
goto slow_path_clean;
/* Partially cloned skb? */
@@ -711,8 +713,6 @@
left = skb->len - hlen; /* Space per frame */
ptr = hlen; /* Where to start from */
- ll_rs = LL_RESERVED_SPACE(rt->dst.dev);
-
/*
* Fragment the datagram.
*/
@@ -965,11 +965,12 @@
csummode = CHECKSUM_PARTIAL;
cork->length += length;
- if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) ||
- (skb && skb_is_gso(skb))) &&
+ if ((skb && skb_is_gso(skb)) ||
+ (((length + (skb ? skb->len : fragheaderlen)) > mtu) &&
+ (skb_queue_len(queue) <= 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
- (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) {
+ (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx)) {
err = ip_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, transhdrlen,
maxfraglen, flags);
@@ -1288,6 +1289,7 @@
return -EINVAL;
if ((size + skb->len > mtu) &&
+ (skb_queue_len(&sk->sk_write_queue) == 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO)) {
if (skb->ip_summed != CHECKSUM_PARTIAL)
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 0bc3c3d..9e9d9af 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -268,14 +268,14 @@
acpar.targinfo = t->data;
verdict = t->u.kernel.target->target(skb, &acpar);
- /* Target might have changed stuff. */
- arp = arp_hdr(skb);
-
- if (verdict == XT_CONTINUE)
+ if (verdict == XT_CONTINUE) {
+ /* Target might have changed stuff. */
+ arp = arp_hdr(skb);
e = arpt_next_entry(e);
- else
+ } else {
/* Verdict */
break;
+ }
} while (!acpar.hotdrop);
xt_write_recseq_end(addend);
local_bh_enable();
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 2a55a40..622ed28 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -352,13 +352,14 @@
acpar.targinfo = t->data;
verdict = t->u.kernel.target->target(skb, &acpar);
- /* Target might have changed stuff. */
- ip = ip_hdr(skb);
- if (verdict == XT_CONTINUE)
+ if (verdict == XT_CONTINUE) {
+ /* Target might have changed stuff. */
+ ip = ip_hdr(skb);
e = ipt_next_entry(e);
- else
+ } else {
/* Verdict */
break;
+ }
} while (!acpar.hotdrop);
xt_write_recseq_end(addend);
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 7d72dec..efaa04d 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -117,7 +117,8 @@
* functions are also incrementing the refcount on their own,
* so it's safe to remove the entry even if it's in use. */
#ifdef CONFIG_PROC_FS
- proc_remove(c->pde);
+ if (cn->procdir)
+ proc_remove(c->pde);
#endif
return;
}
@@ -815,6 +816,7 @@
#ifdef CONFIG_PROC_FS
struct clusterip_net *cn = net_generic(net, clusterip_net_id);
proc_remove(cn->procdir);
+ cn->procdir = NULL;
#endif
nf_unregister_net_hook(net, &cip_arp_ops);
}
diff --git a/net/ipv4/netfilter/nf_tables_arp.c b/net/ipv4/netfilter/nf_tables_arp.c
index 805c8dd..4bbc273 100644
--- a/net/ipv4/netfilter/nf_tables_arp.c
+++ b/net/ipv4/netfilter/nf_tables_arp.c
@@ -72,8 +72,7 @@
.family = NFPROTO_ARP,
.owner = THIS_MODULE,
.hook_mask = (1 << NF_ARP_IN) |
- (1 << NF_ARP_OUT) |
- (1 << NF_ARP_FORWARD),
+ (1 << NF_ARP_OUT),
};
static int __init nf_tables_arp_init(void)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0383e66f..2331de2 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1267,7 +1267,7 @@
if (mtu)
return mtu;
- mtu = dst->dev->mtu;
+ mtu = READ_ONCE(dst->dev->mtu);
if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
if (rt->rt_uses_gateway && mtu > 576)
@@ -2750,26 +2750,34 @@
err = 0;
if (IS_ERR(rt))
err = PTR_ERR(rt);
+ else
+ skb_dst_set(skb, &rt->dst);
}
if (err)
goto errout_free;
- skb_dst_set(skb, &rt->dst);
if (rtm->rtm_flags & RTM_F_NOTIFY)
rt->rt_flags |= RTCF_NOTIFY;
if (rtm->rtm_flags & RTM_F_LOOKUP_TABLE)
table_id = rt->rt_table_id;
- if (rtm->rtm_flags & RTM_F_FIB_MATCH)
+ if (rtm->rtm_flags & RTM_F_FIB_MATCH) {
+ if (!res.fi) {
+ err = fib_props[res.type].error;
+ if (!err)
+ err = -EHOSTUNREACH;
+ goto errout_free;
+ }
err = fib_dump_info(skb, NETLINK_CB(in_skb).portid,
nlh->nlmsg_seq, RTM_NEWROUTE, table_id,
rt->rt_type, res.prefix, res.prefixlen,
fl4.flowi4_tos, res.fi, 0);
- else
+ } else {
err = rt_fill_info(net, dst, src, table_id, &fl4, skb,
NETLINK_CB(in_skb).portid, nlh->nlmsg_seq);
+ }
if (err < 0)
goto errout_free;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 0905cf0..03ad877 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -335,6 +335,7 @@
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
treq->ts_off = 0;
+ treq->txhash = net_tx_rndhash();
req->mss = mss;
ireq->ir_num = ntohs(th->dest);
ireq->ir_rmt_port = th->source;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 71ce33d..a3e91b5 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2481,7 +2481,7 @@
name[val] = 0;
lock_sock(sk);
- err = tcp_set_congestion_control(sk, name, true);
+ err = tcp_set_congestion_control(sk, name, true, true);
release_sock(sk);
return err;
}
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index dbcc935..69ee877 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -112,7 +112,8 @@
cwnd_gain:10, /* current gain for setting cwnd */
full_bw_cnt:3, /* number of rounds without large bw gains */
cycle_idx:3, /* current index in pacing_gain cycle array */
- unused_b:6;
+ has_seen_rtt:1, /* have we seen an RTT sample yet? */
+ unused_b:5;
u32 prior_cwnd; /* prior cwnd upon entering loss recovery */
u32 full_bw; /* recent bw, to estimate if pipe is full */
};
@@ -211,6 +212,35 @@
return rate >> BW_SCALE;
}
+/* Convert a BBR bw and gain factor to a pacing rate in bytes per second. */
+static u32 bbr_bw_to_pacing_rate(struct sock *sk, u32 bw, int gain)
+{
+ u64 rate = bw;
+
+ rate = bbr_rate_bytes_per_sec(sk, rate, gain);
+ rate = min_t(u64, rate, sk->sk_max_pacing_rate);
+ return rate;
+}
+
+/* Initialize pacing rate to: high_gain * init_cwnd / RTT. */
+static void bbr_init_pacing_rate_from_rtt(struct sock *sk)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+ struct bbr *bbr = inet_csk_ca(sk);
+ u64 bw;
+ u32 rtt_us;
+
+ if (tp->srtt_us) { /* any RTT sample yet? */
+ rtt_us = max(tp->srtt_us >> 3, 1U);
+ bbr->has_seen_rtt = 1;
+ } else { /* no RTT sample yet */
+ rtt_us = USEC_PER_MSEC; /* use nominal default RTT */
+ }
+ bw = (u64)tp->snd_cwnd * BW_UNIT;
+ do_div(bw, rtt_us);
+ sk->sk_pacing_rate = bbr_bw_to_pacing_rate(sk, bw, bbr_high_gain);
+}
+
/* Pace using current bw estimate and a gain factor. In order to help drive the
* network toward lower queues while maintaining high utilization and low
* latency, the average pacing rate aims to be slightly (~1%) lower than the
@@ -220,12 +250,13 @@
*/
static void bbr_set_pacing_rate(struct sock *sk, u32 bw, int gain)
{
+ struct tcp_sock *tp = tcp_sk(sk);
struct bbr *bbr = inet_csk_ca(sk);
- u64 rate = bw;
+ u32 rate = bbr_bw_to_pacing_rate(sk, bw, gain);
- rate = bbr_rate_bytes_per_sec(sk, rate, gain);
- rate = min_t(u64, rate, sk->sk_max_pacing_rate);
- if (bbr->mode != BBR_STARTUP || rate > sk->sk_pacing_rate)
+ if (unlikely(!bbr->has_seen_rtt && tp->srtt_us))
+ bbr_init_pacing_rate_from_rtt(sk);
+ if (bbr_full_bw_reached(sk) || rate > sk->sk_pacing_rate)
sk->sk_pacing_rate = rate;
}
@@ -798,7 +829,6 @@
{
struct tcp_sock *tp = tcp_sk(sk);
struct bbr *bbr = inet_csk_ca(sk);
- u64 bw;
bbr->prior_cwnd = 0;
bbr->tso_segs_goal = 0; /* default segs per skb until first ACK */
@@ -814,11 +844,8 @@
minmax_reset(&bbr->bw, bbr->rtt_cnt, 0); /* init max bw to 0 */
- /* Initialize pacing rate to: high_gain * init_cwnd / RTT. */
- bw = (u64)tp->snd_cwnd * BW_UNIT;
- do_div(bw, (tp->srtt_us >> 3) ? : USEC_PER_MSEC);
- sk->sk_pacing_rate = 0; /* force an update of sk_pacing_rate */
- bbr_set_pacing_rate(sk, bw, bbr_high_gain);
+ bbr->has_seen_rtt = 0;
+ bbr_init_pacing_rate_from_rtt(sk);
bbr->restore_cwnd = 0;
bbr->round_start = 0;
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index fde983f..421ea1b 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -189,8 +189,8 @@
INET_ECN_dontxmit(sk);
}
-void tcp_reinit_congestion_control(struct sock *sk,
- const struct tcp_congestion_ops *ca)
+static void tcp_reinit_congestion_control(struct sock *sk,
+ const struct tcp_congestion_ops *ca)
{
struct inet_connection_sock *icsk = inet_csk(sk);
@@ -338,7 +338,7 @@
* tcp_reinit_congestion_control (if the current congestion control was
* already initialized.
*/
-int tcp_set_congestion_control(struct sock *sk, const char *name, bool load)
+int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit)
{
struct inet_connection_sock *icsk = inet_csk(sk);
const struct tcp_congestion_ops *ca;
@@ -360,9 +360,18 @@
if (!ca) {
err = -ENOENT;
} else if (!load) {
- icsk->icsk_ca_ops = ca;
- if (!try_module_get(ca->owner))
+ const struct tcp_congestion_ops *old_ca = icsk->icsk_ca_ops;
+
+ if (try_module_get(ca->owner)) {
+ if (reinit) {
+ tcp_reinit_congestion_control(sk, ca);
+ } else {
+ icsk->icsk_ca_ops = ca;
+ module_put(old_ca->owner);
+ }
+ } else {
err = -EBUSY;
+ }
} else if (!((ca->flags & TCP_CONG_NON_RESTRICTED) ||
ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))) {
err = -EPERM;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2920e0c..bab7f04 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -107,6 +107,7 @@
#define FLAG_ORIG_SACK_ACKED 0x200 /* Never retransmitted data are (s)acked */
#define FLAG_SND_UNA_ADVANCED 0x400 /* Snd_una was changed (!= FLAG_DATA_ACKED) */
#define FLAG_DSACKING_ACK 0x800 /* SACK blocks contained D-SACK info */
+#define FLAG_SET_XMIT_TIMER 0x1000 /* Set TLP or RTO timer */
#define FLAG_SACK_RENEGING 0x2000 /* snd_una advanced to a sacked seq */
#define FLAG_UPDATE_TS_RECENT 0x4000 /* tcp_replace_ts_recent() */
#define FLAG_NO_CHALLENGE_ACK 0x8000 /* do not call tcp_send_challenge_ack() */
@@ -2520,8 +2521,8 @@
return;
/* Reset cwnd to ssthresh in CWR or Recovery (unless it's undone) */
- if (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR ||
- (tp->undo_marker && tp->snd_ssthresh < TCP_INFINITE_SSTHRESH)) {
+ if (tp->snd_ssthresh < TCP_INFINITE_SSTHRESH &&
+ (inet_csk(sk)->icsk_ca_state == TCP_CA_CWR || tp->undo_marker)) {
tp->snd_cwnd = tp->snd_ssthresh;
tp->snd_cwnd_stamp = tcp_jiffies32;
}
@@ -3004,21 +3005,24 @@
/* Offset the time elapsed after installing regular RTO */
if (icsk->icsk_pending == ICSK_TIME_REO_TIMEOUT ||
icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {
- struct sk_buff *skb = tcp_write_queue_head(sk);
- u64 rto_time_stamp = skb->skb_mstamp +
- jiffies_to_usecs(rto);
- s64 delta_us = rto_time_stamp - tp->tcp_mstamp;
+ s64 delta_us = tcp_rto_delta_us(sk);
/* delta_us may not be positive if the socket is locked
* when the retrans timer fires and is rescheduled.
*/
- if (delta_us > 0)
- rto = usecs_to_jiffies(delta_us);
+ rto = usecs_to_jiffies(max_t(int, delta_us, 1));
}
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, rto,
TCP_RTO_MAX);
}
}
+/* Try to schedule a loss probe; if that doesn't work, then schedule an RTO. */
+static void tcp_set_xmit_timer(struct sock *sk)
+{
+ if (!tcp_schedule_loss_probe(sk))
+ tcp_rearm_rto(sk);
+}
+
/* If we get here, the whole TSO packet has not been acked. */
static u32 tcp_tso_acked(struct sock *sk, struct sk_buff *skb)
{
@@ -3180,7 +3184,7 @@
ca_rtt_us, sack->rate);
if (flag & FLAG_ACKED) {
- tcp_rearm_rto(sk);
+ flag |= FLAG_SET_XMIT_TIMER; /* set TLP or RTO timer */
if (unlikely(icsk->icsk_mtup.probe_size &&
!after(tp->mtu_probe.probe_seq_end, tp->snd_una))) {
tcp_mtup_probe_success(sk);
@@ -3208,7 +3212,7 @@
* after when the head was last (re)transmitted. Otherwise the
* timeout may continue to extend in loss recovery.
*/
- tcp_rearm_rto(sk);
+ flag |= FLAG_SET_XMIT_TIMER; /* set TLP or RTO timer */
}
if (icsk->icsk_ca_ops->pkts_acked) {
@@ -3580,9 +3584,6 @@
if (after(ack, tp->snd_nxt))
goto invalid_ack;
- if (icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)
- tcp_rearm_rto(sk);
-
if (after(ack, prior_snd_una)) {
flag |= FLAG_SND_UNA_ADVANCED;
icsk->icsk_retransmits = 0;
@@ -3647,18 +3648,20 @@
flag |= tcp_clean_rtx_queue(sk, prior_fackets, prior_snd_una, &acked,
&sack_state);
+ if (tp->tlp_high_seq)
+ tcp_process_tlp_ack(sk, ack, flag);
+ /* If needed, reset TLP/RTO timer; RACK may later override this. */
+ if (flag & FLAG_SET_XMIT_TIMER)
+ tcp_set_xmit_timer(sk);
+
if (tcp_ack_is_dubious(sk, flag)) {
is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
tcp_fastretrans_alert(sk, acked, is_dupack, &flag, &rexmit);
}
- if (tp->tlp_high_seq)
- tcp_process_tlp_ack(sk, ack, flag);
if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP))
sk_dst_confirm(sk);
- if (icsk->icsk_pending == ICSK_TIME_RETRANS)
- tcp_schedule_loss_probe(sk);
delivered = tp->delivered - delivered; /* freshly ACKed or SACKed */
lost = tp->lost - lost; /* freshly marked lost */
tcp_rate_gen(sk, delivered, lost, sack_state.rate);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a20e7f0..e9252c7 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1722,6 +1722,8 @@
*/
sock_hold(sk);
refcounted = true;
+ if (tcp_filter(sk, skb))
+ goto discard_and_relse;
nsk = tcp_check_req(sk, skb, req, false);
if (!nsk) {
reqsk_put(req);
@@ -1729,8 +1731,6 @@
}
if (nsk == sk) {
reqsk_put(req);
- } else if (tcp_filter(sk, skb)) {
- goto discard_and_relse;
} else if (tcp_child_process(sk, nsk, skb)) {
tcp_v4_send_reset(nsk, skb);
goto discard_and_relse;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4e985de..b7661a6 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2202,9 +2202,10 @@
static void tcp_chrono_set(struct tcp_sock *tp, const enum tcp_chrono new)
{
const u32 now = tcp_jiffies32;
+ enum tcp_chrono old = tp->chrono_type;
- if (tp->chrono_type > TCP_CHRONO_UNSPEC)
- tp->chrono_stat[tp->chrono_type - 1] += now - tp->chrono_start;
+ if (old > TCP_CHRONO_UNSPEC)
+ tp->chrono_stat[old - 1] += now - tp->chrono_start;
tp->chrono_start = now;
tp->chrono_type = new;
}
@@ -2376,24 +2377,15 @@
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
- u32 timeout, tlp_time_stamp, rto_time_stamp;
u32 rtt = usecs_to_jiffies(tp->srtt_us >> 3);
+ u32 timeout, rto_delta_us;
- /* No consecutive loss probes. */
- if (WARN_ON(icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)) {
- tcp_rearm_rto(sk);
- return false;
- }
/* Don't do any loss probe on a Fast Open connection before 3WHS
* finishes.
*/
if (tp->fastopen_rsk)
return false;
- /* TLP is only scheduled when next timer event is RTO. */
- if (icsk->icsk_pending != ICSK_TIME_RETRANS)
- return false;
-
/* Schedule a loss probe in 2*RTT for SACK capable connections
* in Open state, that are either limited by cwnd or application.
*/
@@ -2416,14 +2408,10 @@
(rtt + (rtt >> 1) + TCP_DELACK_MAX));
timeout = max_t(u32, timeout, msecs_to_jiffies(10));
- /* If RTO is shorter, just schedule TLP in its place. */
- tlp_time_stamp = tcp_jiffies32 + timeout;
- rto_time_stamp = (u32)inet_csk(sk)->icsk_timeout;
- if ((s32)(tlp_time_stamp - rto_time_stamp) > 0) {
- s32 delta = rto_time_stamp - tcp_jiffies32;
- if (delta > 0)
- timeout = delta;
- }
+ /* If the RTO formula yields an earlier time, then use that time. */
+ rto_delta_us = tcp_rto_delta_us(sk); /* How far in future is RTO? */
+ if (rto_delta_us > 0)
+ timeout = min_t(u32, timeout, usecs_to_jiffies(rto_delta_us));
inet_csk_reset_xmit_timer(sk, ICSK_TIME_LOSS_PROBE, timeout,
TCP_RTO_MAX);
@@ -3448,6 +3436,10 @@
int err;
tcp_call_bpf(sk, BPF_SOCK_OPS_TCP_CONNECT_CB);
+
+ if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+ return -EHOSTUNREACH; /* Routing failure or similar. */
+
tcp_connect_init(sk);
if (unlikely(tp->repair)) {
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index c0feeee..e906014 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -652,7 +652,8 @@
goto death;
}
- if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
+ if (!sock_flag(sk, SOCK_KEEPOPEN) ||
+ ((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)))
goto out;
elapsed = keepalive_time_when(tp);
diff --git a/net/ipv4/tcp_ulp.c b/net/ipv4/tcp_ulp.c
index 2417f55..6bb9e14 100644
--- a/net/ipv4/tcp_ulp.c
+++ b/net/ipv4/tcp_ulp.c
@@ -122,14 +122,14 @@
ulp_ops = __tcp_ulp_find_autoload(name);
if (!ulp_ops)
- err = -ENOENT;
- else
- err = ulp_ops->init(sk);
+ return -ENOENT;
- if (err)
- goto out;
+ err = ulp_ops->init(sk);
+ if (err) {
+ module_put(ulp_ops->owner);
+ return err;
+ }
icsk->icsk_ulp_ops = ulp_ops;
- out:
- return err;
+ return 0;
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 25294d4..6234480 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -802,7 +802,7 @@
if (is_udplite) /* UDP-Lite */
csum = udplite_csum(skb);
- else if (sk->sk_no_check_tx) { /* UDP csum disabled */
+ else if (sk->sk_no_check_tx && !skb_is_gso(skb)) { /* UDP csum off */
skb->ip_summed = CHECKSUM_NONE;
goto send;
@@ -1163,34 +1163,32 @@
return ret;
}
-#if BITS_PER_LONG == 64
+#define UDP_SKB_IS_STATELESS 0x80000000
+
static void udp_set_dev_scratch(struct sk_buff *skb)
{
- struct udp_dev_scratch *scratch;
+ struct udp_dev_scratch *scratch = udp_skb_scratch(skb);
BUILD_BUG_ON(sizeof(struct udp_dev_scratch) > sizeof(long));
- scratch = (struct udp_dev_scratch *)&skb->dev_scratch;
- scratch->truesize = skb->truesize;
+ scratch->_tsize_state = skb->truesize;
+#if BITS_PER_LONG == 64
scratch->len = skb->len;
scratch->csum_unnecessary = !!skb_csum_unnecessary(skb);
scratch->is_linear = !skb_is_nonlinear(skb);
-}
-
-static int udp_skb_truesize(struct sk_buff *skb)
-{
- return ((struct udp_dev_scratch *)&skb->dev_scratch)->truesize;
-}
-#else
-static void udp_set_dev_scratch(struct sk_buff *skb)
-{
- skb->dev_scratch = skb->truesize;
-}
-
-static int udp_skb_truesize(struct sk_buff *skb)
-{
- return skb->dev_scratch;
-}
#endif
+ if (likely(!skb->_skb_refdst && !skb_sec_path(skb)))
+ scratch->_tsize_state |= UDP_SKB_IS_STATELESS;
+}
+
+static int udp_skb_truesize(struct sk_buff *skb)
+{
+ return udp_skb_scratch(skb)->_tsize_state & ~UDP_SKB_IS_STATELESS;
+}
+
+static bool udp_skb_has_head_state(struct sk_buff *skb)
+{
+ return !(udp_skb_scratch(skb)->_tsize_state & UDP_SKB_IS_STATELESS);
+}
/* fully reclaim rmem/fwd memory allocated for skb */
static void udp_rmem_release(struct sock *sk, int size, int partial,
@@ -1388,6 +1386,11 @@
unlock_sock_fast(sk, slow);
}
+ /* In the more common cases we cleared the head states previously,
+ * see __udp_queue_rcv_skb().
+ */
+ if (unlikely(udp_skb_has_head_state(skb)))
+ skb_release_head_state(skb);
consume_stateless_skb(skb);
}
EXPORT_SYMBOL_GPL(skb_consume_udp);
@@ -1571,7 +1574,8 @@
return ip_recv_error(sk, msg, len, addr_len);
try_again:
- peeking = off = sk_peek_offset(sk, flags);
+ peeking = flags & MSG_PEEK;
+ off = sk_peek_offset(sk, flags);
skb = __skb_recv_udp(sk, flags, noblock, &peeked, &off, &err);
if (!skb)
return err;
@@ -1779,8 +1783,12 @@
sk_mark_napi_id_once(sk, skb);
}
- /* clear all pending head states while they are hot in the cache */
- skb_release_head_state(skb);
+ /* At recvmsg() time we may access skb->dst or skb->sp depending on
+ * the IP options and the cmsg flags, elsewhere can we clear all
+ * pending head states while they are hot in the cache
+ */
+ if (likely(IPCB(skb)->opt.optlen == 0 && !skb_sec_path(skb)))
+ skb_release_head_state(skb);
rc = __udp_enqueue_schedule_skb(sk, skb);
if (rc < 0) {
@@ -1921,15 +1929,18 @@
/* For TCP sockets, sk_rx_dst is protected by socket lock
* For UDP, we use xchg() to guard against concurrent changes.
*/
-static void udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst)
+bool udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst)
{
struct dst_entry *old;
if (dst_hold_safe(dst)) {
old = xchg(&sk->sk_rx_dst, dst);
dst_release(old);
+ return old != dst;
}
+ return false;
}
+EXPORT_SYMBOL(udp_sk_rx_dst_set);
/*
* Multicasts and broadcasts go to each listener.
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 7812501..0932c85 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -235,7 +235,7 @@
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* If there is no outer header we can fake a checksum offload
* due to the fact that we have already done the checksum in
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3c46e95..936e9ab 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5556,7 +5556,7 @@
* our DAD process, so we don't need
* to do it again
*/
- if (!(ifp->rt->rt6i_node))
+ if (!rcu_access_pointer(ifp->rt->rt6i_node))
ip6_ins_rt(ifp->rt);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 9ed3547..ab64f36 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -226,7 +226,7 @@
int tailen = esp->tailen;
if (!skb_cloned(skb)) {
- if (tailen <= skb_availroom(skb)) {
+ if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
trailer = skb;
tail = skb_tail_pointer(trailer);
@@ -260,8 +260,6 @@
kunmap_atomic(vaddr);
- spin_unlock_bh(&x->lock);
-
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
@@ -269,6 +267,9 @@
skb_shinfo(skb)->nr_frags = ++nfrags;
pfrag->offset = pfrag->offset + allocsize;
+
+ spin_unlock_bh(&x->lock);
+
nfrags++;
skb->len += tailen;
@@ -345,7 +346,7 @@
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
if (!esp->inplace) {
int allocsize;
@@ -356,7 +357,7 @@
spin_lock_bh(&x->lock);
if (unlikely(!skb_page_frag_refill(allocsize, pfrag, GFP_ATOMIC))) {
spin_unlock_bh(&x->lock);
- goto error;
+ goto error_free;
}
skb_shinfo(skb)->nr_frags = 1;
@@ -373,7 +374,7 @@
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
}
if ((x->props.flags & XFRM_STATE_ESN))
@@ -406,8 +407,9 @@
if (sg != dsg)
esp_ssg_unref(x, tmp);
- kfree(tmp);
+error_free:
+ kfree(tmp);
error:
return err;
}
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index f02f131..1cf437f 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -286,7 +286,7 @@
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp6_output_tail(x, skb, &esp);
- if (err < 0)
+ if (err)
return err;
secpath_reset(skb);
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 4996d73..3cec529 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -756,6 +756,7 @@
if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr)))
goto drop;
+ IP6CB(skb)->flags |= IP6SKB_JUMBOGRAM;
return true;
drop:
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index ebb299c..e1c85bb 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -148,11 +148,23 @@
return fn;
}
-static void node_free(struct fib6_node *fn)
+static void node_free_immediate(struct fib6_node *fn)
{
kmem_cache_free(fib6_node_kmem, fn);
}
+static void node_free_rcu(struct rcu_head *head)
+{
+ struct fib6_node *fn = container_of(head, struct fib6_node, rcu);
+
+ kmem_cache_free(fib6_node_kmem, fn);
+}
+
+static void node_free(struct fib6_node *fn)
+{
+ call_rcu(&fn->rcu, node_free_rcu);
+}
+
static void rt6_free_pcpu(struct rt6_info *non_pcpu_rt)
{
int cpu;
@@ -601,9 +613,9 @@
if (!in || !ln) {
if (in)
- node_free(in);
+ node_free_immediate(in);
if (ln)
- node_free(ln);
+ node_free_immediate(ln);
return ERR_PTR(-ENOMEM);
}
@@ -877,7 +889,7 @@
rt->dst.rt6_next = iter;
*ins = rt;
- rt->rt6i_node = fn;
+ rcu_assign_pointer(rt->rt6i_node, fn);
atomic_inc(&rt->rt6i_ref);
if (!info->skip_notify)
inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
@@ -903,7 +915,7 @@
return err;
*ins = rt;
- rt->rt6i_node = fn;
+ rcu_assign_pointer(rt->rt6i_node, fn);
rt->dst.rt6_next = iter->dst.rt6_next;
atomic_inc(&rt->rt6i_ref);
if (!info->skip_notify)
@@ -914,6 +926,8 @@
}
nsiblings = iter->rt6i_nsiblings;
fib6_purge_rt(iter, fn, info->nl_net);
+ if (fn->rr_ptr == iter)
+ fn->rr_ptr = NULL;
rt6_release(iter);
if (nsiblings) {
@@ -926,6 +940,8 @@
if (rt6_qualify_for_ecmp(iter)) {
*ins = iter->dst.rt6_next;
fib6_purge_rt(iter, fn, info->nl_net);
+ if (fn->rr_ptr == iter)
+ fn->rr_ptr = NULL;
rt6_release(iter);
nsiblings--;
} else {
@@ -1014,7 +1030,7 @@
/* Create subtree root node */
sfn = node_alloc();
if (!sfn)
- goto st_failure;
+ goto failure;
sfn->leaf = info->nl_net->ipv6.ip6_null_entry;
atomic_inc(&info->nl_net->ipv6.ip6_null_entry->rt6i_ref);
@@ -1031,12 +1047,12 @@
if (IS_ERR(sn)) {
/* If it is failed, discard just allocated
- root, and then (in st_failure) stale node
+ root, and then (in failure) stale node
in main tree.
*/
- node_free(sfn);
+ node_free_immediate(sfn);
err = PTR_ERR(sn);
- goto st_failure;
+ goto failure;
}
/* Now link new subtree to main tree */
@@ -1051,7 +1067,7 @@
if (IS_ERR(sn)) {
err = PTR_ERR(sn);
- goto st_failure;
+ goto failure;
}
}
@@ -1092,18 +1108,17 @@
atomic_inc(&pn->leaf->rt6i_ref);
}
#endif
- /* Always release dst as dst->__refcnt is guaranteed
- * to be taken before entering this function
- */
- dst_release_immediate(&rt->dst);
+ goto failure;
}
return err;
-#ifdef CONFIG_IPV6_SUBTREES
- /* Subtree creation failed, probably main tree node
- is orphan. If it is, shoot it.
+failure:
+ /* fn->leaf could be NULL if fn is an intermediate node and we
+ * failed to add the new route to it in both subtree creation
+ * failure and fib6_add_rt2node() failure case.
+ * In both cases, fib6_repair_tree() should be called to fix
+ * fn->leaf.
*/
-st_failure:
if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
fib6_repair_tree(info->nl_net, fn);
/* Always release dst as dst->__refcnt is guaranteed
@@ -1111,7 +1126,6 @@
*/
dst_release_immediate(&rt->dst);
return err;
-#endif
}
/*
@@ -1466,8 +1480,9 @@
int fib6_del(struct rt6_info *rt, struct nl_info *info)
{
+ struct fib6_node *fn = rcu_dereference_protected(rt->rt6i_node,
+ lockdep_is_held(&rt->rt6i_table->tb6_lock));
struct net *net = info->nl_net;
- struct fib6_node *fn = rt->rt6i_node;
struct rt6_info **rtp;
#if RT6_DEBUG >= 2
@@ -1656,7 +1671,9 @@
if (res) {
#if RT6_DEBUG >= 2
pr_debug("%s: del failed: rt=%p@%p err=%d\n",
- __func__, rt, rt->rt6i_node, res);
+ __func__, rt,
+ rcu_access_pointer(rt->rt6i_node),
+ res);
#endif
continue;
}
@@ -1778,8 +1795,10 @@
}
gc_args->more++;
} else if (rt->rt6i_flags & RTF_CACHE) {
+ if (time_after_eq(now, rt->dst.lastuse + gc_args->timeout))
+ rt->dst.obsolete = DST_OBSOLETE_KILL;
if (atomic_read(&rt->dst.__refcnt) == 1 &&
- time_after_eq(now, rt->dst.lastuse + gc_args->timeout)) {
+ rt->dst.obsolete == DST_OBSOLETE_KILL) {
RT6_TRACE("aging clone %p\n", rt);
return -1;
} else if (rt->rt6i_flags & RTF_GATEWAY) {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1422d6c..2dfe50d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -673,8 +673,6 @@
*prevhdr = NEXTHDR_FRAGMENT;
tmp_hdr = kmemdup(skb_network_header(skb), hlen, GFP_ATOMIC);
if (!tmp_hdr) {
- IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_FRAGFAILS);
err = -ENOMEM;
goto fail;
}
@@ -789,8 +787,6 @@
frag = alloc_skb(len + hlen + sizeof(struct frag_hdr) +
hroom + troom, GFP_ATOMIC);
if (!frag) {
- IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
- IPSTATS_MIB_FRAGFAILS);
err = -ENOMEM;
goto fail;
}
@@ -1385,11 +1381,12 @@
*/
cork->length += length;
- if ((((length + (skb ? skb->len : headersize)) > mtu) ||
- (skb && skb_is_gso(skb))) &&
+ if ((skb && skb_is_gso(skb)) ||
+ (((length + (skb ? skb->len : headersize)) > mtu) &&
+ (skb_queue_len(queue) <= 1) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
- (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) {
+ (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk))) {
err = ip6_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, exthdrlen,
transhdrlen, mtu, flags, fl6);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 02d795f..a5e466d 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -242,7 +242,6 @@
pktopt = xchg(&np->pktoptions, NULL);
kfree_skb(pktopt);
- sk->sk_destruct = inet_sock_destruct;
/*
* ... and add it to the refcnt debug socks count
* in the new family. -acme
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index e9065b8..a338bbc 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -78,7 +78,7 @@
int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
{
- u16 offset = sizeof(struct ipv6hdr);
+ unsigned int offset = sizeof(struct ipv6hdr);
unsigned int packet_len = skb_tail_pointer(skb) -
skb_network_header(skb);
int found_rhdr = 0;
@@ -112,6 +112,8 @@
exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) +
offset);
offset += ipv6_optlen(exthdr);
+ if (offset > IPV6_MAXPLEN)
+ return -EINVAL;
*nexthdr = &exthdr->nexthdr;
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4d30c96..2d0e779 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -417,14 +417,11 @@
struct net_device *loopback_dev =
dev_net(dev)->loopback_dev;
- if (dev != loopback_dev) {
- if (idev && idev->dev == dev) {
- struct inet6_dev *loopback_idev =
- in6_dev_get(loopback_dev);
- if (loopback_idev) {
- rt->rt6i_idev = loopback_idev;
- in6_dev_put(idev);
- }
+ if (idev && idev->dev != loopback_dev) {
+ struct inet6_dev *loopback_idev = in6_dev_get(loopback_dev);
+ if (loopback_idev) {
+ rt->rt6i_idev = loopback_idev;
+ in6_dev_put(idev);
}
}
}
@@ -443,7 +440,8 @@
if (time_after(jiffies, rt->dst.expires))
return true;
} else if (rt->dst.from) {
- return rt6_check_expired((struct rt6_info *) rt->dst.from);
+ return rt->dst.obsolete != DST_OBSOLETE_FORCE_CHK ||
+ rt6_check_expired((struct rt6_info *)rt->dst.from);
}
return false;
}
@@ -1292,7 +1290,9 @@
static struct dst_entry *rt6_check(struct rt6_info *rt, u32 cookie)
{
- if (!rt->rt6i_node || (rt->rt6i_node->fn_sernum != cookie))
+ u32 rt_cookie = 0;
+
+ if (!rt6_get_cookie_safe(rt, &rt_cookie) || rt_cookie != cookie)
return NULL;
if (rt6_check_expired(rt))
@@ -1360,8 +1360,14 @@
if (rt->rt6i_flags & RTF_CACHE) {
if (dst_hold_safe(&rt->dst))
ip6_del_rt(rt);
- } else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT)) {
- rt->rt6i_node->fn_sernum = -1;
+ } else {
+ struct fib6_node *fn;
+
+ rcu_read_lock();
+ fn = rcu_dereference(rt->rt6i_node);
+ if (fn && (rt->rt6i_flags & RTF_DEFAULT))
+ fn->fn_sernum = -1;
+ rcu_read_unlock();
}
}
}
@@ -1378,7 +1384,8 @@
static bool rt6_cache_allowed_for_pmtu(const struct rt6_info *rt)
{
return !(rt->rt6i_flags & RTF_CACHE) &&
- (rt->rt6i_flags & RTF_PCPU || rt->rt6i_node);
+ (rt->rt6i_flags & RTF_PCPU ||
+ rcu_access_pointer(rt->rt6i_node));
}
static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
@@ -2351,6 +2358,7 @@
if (on_link)
nrt->rt6i_flags &= ~RTF_GATEWAY;
+ nrt->rt6i_protocol = RTPROT_REDIRECT;
nrt->rt6i_gateway = *(struct in6_addr *)neigh->primary_key;
if (ip6_ins_rt(nrt))
@@ -2461,6 +2469,7 @@
.fc_dst_len = prefixlen,
.fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_ROUTEINFO |
RTF_UP | RTF_PREF(pref),
+ .fc_protocol = RTPROT_RA,
.fc_nlinfo.portid = 0,
.fc_nlinfo.nlh = NULL,
.fc_nlinfo.nl_net = net,
@@ -2513,6 +2522,7 @@
.fc_ifindex = dev->ifindex,
.fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT |
RTF_UP | RTF_EXPIRES | RTF_PREF(pref),
+ .fc_protocol = RTPROT_RA,
.fc_nlinfo.portid = 0,
.fc_nlinfo.nlh = NULL,
.fc_nlinfo.nl_net = dev_net(dev),
@@ -3424,14 +3434,6 @@
rtm->rtm_flags = 0;
rtm->rtm_scope = RT_SCOPE_UNIVERSE;
rtm->rtm_protocol = rt->rt6i_protocol;
- if (rt->rt6i_flags & RTF_DYNAMIC)
- rtm->rtm_protocol = RTPROT_REDIRECT;
- else if (rt->rt6i_flags & RTF_ADDRCONF) {
- if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ROUTEINFO))
- rtm->rtm_protocol = RTPROT_RA;
- else
- rtm->rtm_protocol = RTPROT_KERNEL;
- }
if (rt->rt6i_flags & RTF_CACHE)
rtm->rtm_flags |= RTM_F_CLONED;
@@ -3729,10 +3731,10 @@
/* NETDEV_UNREGISTER could be fired for multiple times by
* netdev_wait_allrefs(). Make sure we only call this once.
*/
- in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
+ in6_dev_put_clear(&net->ipv6.ip6_null_entry->rt6i_idev);
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
- in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
- in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev);
+ in6_dev_put_clear(&net->ipv6.ip6_prohibit_entry->rt6i_idev);
+ in6_dev_put_clear(&net->ipv6.ip6_blk_hole_entry->rt6i_idev);
#endif
}
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 7b75b06..4e7817a 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -216,6 +216,7 @@
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
treq->ts_off = 0;
+ treq->txhash = net_tx_rndhash();
/*
* We need to lookup the dst_entry to get the correct window size.
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2521690..2062101 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1456,6 +1456,8 @@
}
sock_hold(sk);
refcounted = true;
+ if (tcp_filter(sk, skb))
+ goto discard_and_relse;
nsk = tcp_check_req(sk, skb, req, false);
if (!nsk) {
reqsk_put(req);
@@ -1464,8 +1466,6 @@
if (nsk == sk) {
reqsk_put(req);
tcp_v6_restore_cb(skb);
- } else if (tcp_filter(sk, skb)) {
- goto discard_and_relse;
} else if (tcp_child_process(sk, nsk, skb)) {
tcp_v6_send_reset(nsk, skb);
goto discard_and_relse;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 4a3e656..d688622 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -291,11 +291,7 @@
struct udp_table *udptable)
{
const struct ipv6hdr *iph = ipv6_hdr(skb);
- struct sock *sk;
- sk = skb_steal_sock(skb);
- if (unlikely(sk))
- return sk;
return __udp6_lib_lookup(dev_net(skb->dev), &iph->saddr, sport,
&iph->daddr, dport, inet6_iif(skb),
udptable, skb);
@@ -332,6 +328,15 @@
EXPORT_SYMBOL_GPL(udp6_lib_lookup);
#endif
+/* do not use the scratch area len for jumbogram: their length execeeds the
+ * scratch area space; note that the IP6CB flags is still in the first
+ * cacheline, so checking for jumbograms is cheap
+ */
+static int udp6_skb_len(struct sk_buff *skb)
+{
+ return unlikely(inet6_is_jumbogram(skb)) ? skb->len : udp_skb_len(skb);
+}
+
/*
* This should be easy, if there is something there we
* return it, otherwise we block.
@@ -357,12 +362,13 @@
return ipv6_recv_rxpmtu(sk, msg, len, addr_len);
try_again:
- peeking = off = sk_peek_offset(sk, flags);
+ peeking = flags & MSG_PEEK;
+ off = sk_peek_offset(sk, flags);
skb = __skb_recv_udp(sk, flags, noblock, &peeked, &off, &err);
if (!skb)
return err;
- ulen = udp_skb_len(skb);
+ ulen = udp6_skb_len(skb);
copied = len;
if (copied > ulen - off)
copied = ulen - off;
@@ -762,6 +768,15 @@
return 0;
}
+static void udp6_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst)
+{
+ if (udp_sk_rx_dst_set(sk, dst)) {
+ const struct rt6_info *rt = (const struct rt6_info *)dst;
+
+ inet6_sk(sk)->rx_dst_cookie = rt6_get_cookie(rt);
+ }
+}
+
int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
int proto)
{
@@ -804,6 +819,24 @@
if (udp6_csum_init(skb, uh, proto))
goto csum_error;
+ /* Check if the socket is already available, e.g. due to early demux */
+ sk = skb_steal_sock(skb);
+ if (sk) {
+ struct dst_entry *dst = skb_dst(skb);
+ int ret;
+
+ if (unlikely(sk->sk_rx_dst != dst))
+ udp6_sk_rx_dst_set(sk, dst);
+
+ ret = udpv6_queue_rcv_skb(sk, skb);
+ sock_put(sk);
+
+ /* a return value > 0 means to resubmit the input */
+ if (ret > 0)
+ return ret;
+ return 0;
+ }
+
/*
* Multicast receive code
*/
@@ -812,11 +845,6 @@
saddr, daddr, udptable, proto);
/* Unicast */
-
- /*
- * check socket cache ... must talk to Alan about his plans
- * for sock caches... i'll skip this for now.
- */
sk = __udp6_lib_lookup_skb(skb, uh->source, uh->dest, udptable);
if (sk) {
int ret;
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index a2267f8..e7d378c 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -72,7 +72,7 @@
if (uh->check == 0)
uh->check = CSUM_MANGLED_0;
- skb->ip_summed = CHECKSUM_NONE;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* If there is no outer header we can fake a checksum offload
* due to the fact that we have already done the checksum in
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 2e6990f..23fa7c8 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2213,7 +2213,7 @@
{
struct sock *sk = sock->sk;
struct irda_sock *self = irda_sk(sk);
- struct irda_device_list list;
+ struct irda_device_list list = { 0 };
struct irda_device_info *discoveries;
struct irda_ias_set * ias_opt; /* IAS get/query params */
struct ias_object * ias_obj; /* Object in IAS */
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index da49191..4abf628 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -1383,6 +1383,10 @@
if (!csk)
return -EINVAL;
+ /* We must prevent loops or risk deadlock ! */
+ if (csk->sk_family == PF_KCM)
+ return -EOPNOTSUPP;
+
psock = kmem_cache_zalloc(kcm_psockp, GFP_KERNEL);
if (!psock)
return -ENOMEM;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index ca9d3ae..98f4d82 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -228,7 +228,7 @@
#define BROADCAST_ONE 1
#define BROADCAST_REGISTERED 2
#define BROADCAST_PROMISC_ONLY 4
-static int pfkey_broadcast(struct sk_buff *skb,
+static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
int broadcast_flags, struct sock *one_sk,
struct net *net)
{
@@ -278,7 +278,7 @@
rcu_read_unlock();
if (one_sk != NULL)
- err = pfkey_broadcast_one(skb, &skb2, GFP_KERNEL, one_sk);
+ err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk);
kfree_skb(skb2);
kfree_skb(skb);
@@ -311,7 +311,7 @@
hdr = (struct sadb_msg *) pfk->dump.skb->data;
hdr->sadb_msg_seq = 0;
hdr->sadb_msg_errno = rc;
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = NULL;
}
@@ -355,7 +355,7 @@
hdr->sadb_msg_len = (sizeof(struct sadb_msg) /
sizeof(uint64_t));
- pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
+ pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk));
return 0;
}
@@ -1389,7 +1389,7 @@
xfrm_state_put(x);
- pfkey_broadcast(resp_skb, BROADCAST_ONE, sk, net);
+ pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net);
return 0;
}
@@ -1476,7 +1476,7 @@
hdr->sadb_msg_seq = c->seq;
hdr->sadb_msg_pid = c->portid;
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, xs_net(x));
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x));
return 0;
}
@@ -1589,7 +1589,7 @@
out_hdr->sadb_msg_reserved = 0;
out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, BROADCAST_ONE, sk, sock_net(sk));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk));
return 0;
}
@@ -1694,8 +1694,8 @@
return -ENOBUFS;
}
- pfkey_broadcast(supp_skb, BROADCAST_REGISTERED, sk, sock_net(sk));
-
+ pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk,
+ sock_net(sk));
return 0;
}
@@ -1712,7 +1712,8 @@
hdr->sadb_msg_errno = (uint8_t) 0;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
- return pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk,
+ sock_net(sk));
}
static int key_notify_sa_flush(const struct km_event *c)
@@ -1733,7 +1734,7 @@
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
hdr->sadb_msg_reserved = 0;
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, c->net);
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
}
@@ -1790,7 +1791,7 @@
out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
if (pfk->dump.skb)
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = out_skb;
@@ -1878,7 +1879,7 @@
new_hdr->sadb_msg_errno = 0;
}
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, sock_net(sk));
+ pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk));
return 0;
}
@@ -2206,7 +2207,7 @@
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_seq = c->seq;
out_hdr->sadb_msg_pid = c->portid;
- pfkey_broadcast(out_skb, BROADCAST_ALL, NULL, xp_net(xp));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
return 0;
}
@@ -2426,7 +2427,7 @@
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, BROADCAST_ONE, sk, xp_net(xp));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp));
err = 0;
out:
@@ -2682,7 +2683,7 @@
out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
if (pfk->dump.skb)
- pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
&pfk->sk, sock_net(&pfk->sk));
pfk->dump.skb = out_skb;
@@ -2739,7 +2740,7 @@
hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
hdr->sadb_msg_reserved = 0;
- pfkey_broadcast(skb_out, BROADCAST_ALL, NULL, c->net);
+ pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
}
@@ -2803,7 +2804,7 @@
void *ext_hdrs[SADB_EXT_MAX];
int err;
- pfkey_broadcast(skb_clone(skb, GFP_KERNEL),
+ pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
memset(ext_hdrs, 0, sizeof(ext_hdrs));
@@ -3024,7 +3025,8 @@
out_hdr->sadb_msg_seq = 0;
out_hdr->sadb_msg_pid = 0;
- pfkey_broadcast(out_skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
return 0;
}
@@ -3212,7 +3214,8 @@
xfrm_ctx->ctx_len);
}
- return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
}
static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
@@ -3408,7 +3411,8 @@
n_port->sadb_x_nat_t_port_port = sport;
n_port->sadb_x_nat_t_port_reserved = 0;
- return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
+ xs_net(x));
}
#ifdef CONFIG_NET_KEY_MIGRATE
@@ -3599,7 +3603,7 @@
}
/* broadcast migrate message to sockets */
- pfkey_broadcast(skb, BROADCAST_ALL, NULL, &init_net);
+ pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net);
return 0;
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index b0c2d4a..90165a6 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -113,7 +113,6 @@
spinlock_t l2tp_session_hlist_lock;
};
-static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel);
static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk)
{
@@ -127,39 +126,6 @@
return net_generic(net, l2tp_net_id);
}
-/* Tunnel reference counts. Incremented per session that is added to
- * the tunnel.
- */
-static inline void l2tp_tunnel_inc_refcount_1(struct l2tp_tunnel *tunnel)
-{
- refcount_inc(&tunnel->ref_count);
-}
-
-static inline void l2tp_tunnel_dec_refcount_1(struct l2tp_tunnel *tunnel)
-{
- if (refcount_dec_and_test(&tunnel->ref_count))
- l2tp_tunnel_free(tunnel);
-}
-#ifdef L2TP_REFCNT_DEBUG
-#define l2tp_tunnel_inc_refcount(_t) \
-do { \
- pr_debug("l2tp_tunnel_inc_refcount: %s:%d %s: cnt=%d\n", \
- __func__, __LINE__, (_t)->name, \
- refcount_read(&_t->ref_count)); \
- l2tp_tunnel_inc_refcount_1(_t); \
-} while (0)
-#define l2tp_tunnel_dec_refcount(_t) \
-do { \
- pr_debug("l2tp_tunnel_dec_refcount: %s:%d %s: cnt=%d\n", \
- __func__, __LINE__, (_t)->name, \
- refcount_read(&_t->ref_count)); \
- l2tp_tunnel_dec_refcount_1(_t); \
-} while (0)
-#else
-#define l2tp_tunnel_inc_refcount(t) l2tp_tunnel_inc_refcount_1(t)
-#define l2tp_tunnel_dec_refcount(t) l2tp_tunnel_dec_refcount_1(t)
-#endif
-
/* Session hash global list for L2TPv3.
* The session_id SHOULD be random according to RFC3931, but several
* L2TP implementations use incrementing session_ids. So we do a real
@@ -229,6 +195,27 @@
return &tunnel->session_hlist[hash_32(session_id, L2TP_HASH_BITS)];
}
+/* Lookup a tunnel. A new reference is held on the returned tunnel. */
+struct l2tp_tunnel *l2tp_tunnel_get(const struct net *net, u32 tunnel_id)
+{
+ const struct l2tp_net *pn = l2tp_pernet(net);
+ struct l2tp_tunnel *tunnel;
+
+ rcu_read_lock_bh();
+ list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) {
+ if (tunnel->tunnel_id == tunnel_id) {
+ l2tp_tunnel_inc_refcount(tunnel);
+ rcu_read_unlock_bh();
+
+ return tunnel;
+ }
+ }
+ rcu_read_unlock_bh();
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(l2tp_tunnel_get);
+
/* Lookup a session. A new reference is held on the returned session.
* Optionally calls session->ref() too if do_ref is true.
*/
@@ -1348,17 +1335,6 @@
}
}
-/* Really kill the tunnel.
- * Come here only when all sessions have been cleared from the tunnel.
- */
-static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel)
-{
- BUG_ON(refcount_read(&tunnel->ref_count) != 0);
- BUG_ON(tunnel->sock != NULL);
- l2tp_info(tunnel, L2TP_MSG_CONTROL, "%s: free...\n", tunnel->name);
- kfree_rcu(tunnel, rcu);
-}
-
/* Workqueue tunnel deletion function */
static void l2tp_tunnel_del_work(struct work_struct *work)
{
@@ -1844,6 +1820,8 @@
l2tp_session_set_header_len(session, tunnel->version);
+ refcount_set(&session->ref_count, 1);
+
err = l2tp_session_add_to_tunnel(tunnel, session);
if (err) {
kfree(session);
@@ -1851,10 +1829,6 @@
return ERR_PTR(err);
}
- /* Bump the reference count. The session context is deleted
- * only when this drops to zero.
- */
- refcount_set(&session->ref_count, 1);
l2tp_tunnel_inc_refcount(tunnel);
/* Ensure tunnel socket isn't deleted */
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index cdb6e33..9101297 100644
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -231,6 +231,8 @@
return tunnel;
}
+struct l2tp_tunnel *l2tp_tunnel_get(const struct net *net, u32 tunnel_id);
+
struct l2tp_session *l2tp_session_get(const struct net *net,
struct l2tp_tunnel *tunnel,
u32 session_id, bool do_ref);
@@ -269,6 +271,17 @@
void l2tp_nl_unregister_ops(enum l2tp_pwtype pw_type);
int l2tp_ioctl(struct sock *sk, int cmd, unsigned long arg);
+static inline void l2tp_tunnel_inc_refcount(struct l2tp_tunnel *tunnel)
+{
+ refcount_inc(&tunnel->ref_count);
+}
+
+static inline void l2tp_tunnel_dec_refcount(struct l2tp_tunnel *tunnel)
+{
+ if (refcount_dec_and_test(&tunnel->ref_count))
+ kfree_rcu(tunnel, rcu);
+}
+
/* Session reference counts. Incremented when code obtains a reference
* to a session.
*/
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index 12cfcd0..57427d4 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -65,10 +65,12 @@
(info->attrs[L2TP_ATTR_CONN_ID])) {
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
session_id = nla_get_u32(info->attrs[L2TP_ATTR_SESSION_ID]);
- tunnel = l2tp_tunnel_find(net, tunnel_id);
- if (tunnel)
+ tunnel = l2tp_tunnel_get(net, tunnel_id);
+ if (tunnel) {
session = l2tp_session_get(net, tunnel, session_id,
do_ref);
+ l2tp_tunnel_dec_refcount(tunnel);
+ }
}
return session;
@@ -271,8 +273,8 @@
}
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
- tunnel = l2tp_tunnel_find(net, tunnel_id);
- if (tunnel == NULL) {
+ tunnel = l2tp_tunnel_get(net, tunnel_id);
+ if (!tunnel) {
ret = -ENODEV;
goto out;
}
@@ -282,6 +284,8 @@
(void) l2tp_tunnel_delete(tunnel);
+ l2tp_tunnel_dec_refcount(tunnel);
+
out:
return ret;
}
@@ -299,8 +303,8 @@
}
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
- tunnel = l2tp_tunnel_find(net, tunnel_id);
- if (tunnel == NULL) {
+ tunnel = l2tp_tunnel_get(net, tunnel_id);
+ if (!tunnel) {
ret = -ENODEV;
goto out;
}
@@ -311,6 +315,8 @@
ret = l2tp_tunnel_notify(&l2tp_nl_family, info,
tunnel, L2TP_CMD_TUNNEL_MODIFY);
+ l2tp_tunnel_dec_refcount(tunnel);
+
out:
return ret;
}
@@ -438,34 +444,37 @@
if (!info->attrs[L2TP_ATTR_CONN_ID]) {
ret = -EINVAL;
- goto out;
+ goto err;
}
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
- tunnel = l2tp_tunnel_find(net, tunnel_id);
- if (tunnel == NULL) {
- ret = -ENODEV;
- goto out;
- }
-
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
- goto out;
+ goto err;
+ }
+
+ tunnel = l2tp_tunnel_get(net, tunnel_id);
+ if (!tunnel) {
+ ret = -ENODEV;
+ goto err_nlmsg;
}
ret = l2tp_nl_tunnel_send(msg, info->snd_portid, info->snd_seq,
NLM_F_ACK, tunnel, L2TP_CMD_TUNNEL_GET);
if (ret < 0)
- goto err_out;
+ goto err_nlmsg_tunnel;
+
+ l2tp_tunnel_dec_refcount(tunnel);
return genlmsg_unicast(net, msg, info->snd_portid);
-err_out:
+err_nlmsg_tunnel:
+ l2tp_tunnel_dec_refcount(tunnel);
+err_nlmsg:
nlmsg_free(msg);
-
-out:
+err:
return ret;
}
@@ -509,8 +518,9 @@
ret = -EINVAL;
goto out;
}
+
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
- tunnel = l2tp_tunnel_find(net, tunnel_id);
+ tunnel = l2tp_tunnel_get(net, tunnel_id);
if (!tunnel) {
ret = -ENODEV;
goto out;
@@ -518,24 +528,24 @@
if (!info->attrs[L2TP_ATTR_SESSION_ID]) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
session_id = nla_get_u32(info->attrs[L2TP_ATTR_SESSION_ID]);
if (!info->attrs[L2TP_ATTR_PEER_SESSION_ID]) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
peer_session_id = nla_get_u32(info->attrs[L2TP_ATTR_PEER_SESSION_ID]);
if (!info->attrs[L2TP_ATTR_PW_TYPE]) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
cfg.pw_type = nla_get_u16(info->attrs[L2TP_ATTR_PW_TYPE]);
if (cfg.pw_type >= __L2TP_PWTYPE_MAX) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
if (tunnel->version > 2) {
@@ -557,7 +567,7 @@
u16 len = nla_len(info->attrs[L2TP_ATTR_COOKIE]);
if (len > 8) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
cfg.cookie_len = len;
memcpy(&cfg.cookie[0], nla_data(info->attrs[L2TP_ATTR_COOKIE]), len);
@@ -566,7 +576,7 @@
u16 len = nla_len(info->attrs[L2TP_ATTR_PEER_COOKIE]);
if (len > 8) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
cfg.peer_cookie_len = len;
memcpy(&cfg.peer_cookie[0], nla_data(info->attrs[L2TP_ATTR_PEER_COOKIE]), len);
@@ -609,7 +619,7 @@
if ((l2tp_nl_cmd_ops[cfg.pw_type] == NULL) ||
(l2tp_nl_cmd_ops[cfg.pw_type]->session_create == NULL)) {
ret = -EPROTONOSUPPORT;
- goto out;
+ goto out_tunnel;
}
/* Check that pseudowire-specific params are present */
@@ -619,7 +629,7 @@
case L2TP_PWTYPE_ETH_VLAN:
if (!info->attrs[L2TP_ATTR_VLAN_ID]) {
ret = -EINVAL;
- goto out;
+ goto out_tunnel;
}
break;
case L2TP_PWTYPE_ETH:
@@ -647,6 +657,8 @@
}
}
+out_tunnel:
+ l2tp_tunnel_dec_refcount(tunnel);
out:
return ret;
}
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 8708cbe..2b36eff 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -7,7 +7,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015-2017 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -466,3 +466,23 @@
rcu_read_unlock();
}
EXPORT_SYMBOL(ieee80211_manage_rx_ba_offl);
+
+void ieee80211_rx_ba_timer_expired(struct ieee80211_vif *vif,
+ const u8 *addr, unsigned int tid)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+ sta = sta_info_get_bss(sdata, addr);
+ if (!sta)
+ goto unlock;
+
+ set_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired);
+ ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+
+ unlock:
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(ieee80211_rx_ba_timer_expired);
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 552d606..974cf2a 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -227,114 +227,6 @@
}
EXPORT_SYMBOL(nf_unregister_net_hooks);
-static LIST_HEAD(nf_hook_list);
-
-static int _nf_register_hook(struct nf_hook_ops *reg)
-{
- struct net *net, *last;
- int ret;
-
- for_each_net(net) {
- ret = nf_register_net_hook(net, reg);
- if (ret && ret != -ENOENT)
- goto rollback;
- }
- list_add_tail(®->list, &nf_hook_list);
-
- return 0;
-rollback:
- last = net;
- for_each_net(net) {
- if (net == last)
- break;
- nf_unregister_net_hook(net, reg);
- }
- return ret;
-}
-
-int nf_register_hook(struct nf_hook_ops *reg)
-{
- int ret;
-
- rtnl_lock();
- ret = _nf_register_hook(reg);
- rtnl_unlock();
-
- return ret;
-}
-EXPORT_SYMBOL(nf_register_hook);
-
-static void _nf_unregister_hook(struct nf_hook_ops *reg)
-{
- struct net *net;
-
- list_del(®->list);
- for_each_net(net)
- nf_unregister_net_hook(net, reg);
-}
-
-void nf_unregister_hook(struct nf_hook_ops *reg)
-{
- rtnl_lock();
- _nf_unregister_hook(reg);
- rtnl_unlock();
-}
-EXPORT_SYMBOL(nf_unregister_hook);
-
-int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n)
-{
- unsigned int i;
- int err = 0;
-
- for (i = 0; i < n; i++) {
- err = nf_register_hook(®[i]);
- if (err)
- goto err;
- }
- return err;
-
-err:
- if (i > 0)
- nf_unregister_hooks(reg, i);
- return err;
-}
-EXPORT_SYMBOL(nf_register_hooks);
-
-/* Caller MUST take rtnl_lock() */
-int _nf_register_hooks(struct nf_hook_ops *reg, unsigned int n)
-{
- unsigned int i;
- int err = 0;
-
- for (i = 0; i < n; i++) {
- err = _nf_register_hook(®[i]);
- if (err)
- goto err;
- }
- return err;
-
-err:
- if (i > 0)
- _nf_unregister_hooks(reg, i);
- return err;
-}
-EXPORT_SYMBOL(_nf_register_hooks);
-
-void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n)
-{
- while (n-- > 0)
- nf_unregister_hook(®[n]);
-}
-EXPORT_SYMBOL(nf_unregister_hooks);
-
-/* Caller MUST take rtnl_lock */
-void _nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n)
-{
- while (n-- > 0)
- _nf_unregister_hook(®[n]);
-}
-EXPORT_SYMBOL(_nf_unregister_hooks);
-
/* Returns 1 if okfn() needs to be executed by the caller,
* -EPERM for NF_DROP, 0 otherwise. Caller must hold rcu_read_lock. */
int nf_hook_slow(struct sk_buff *skb, struct nf_hook_state *state,
@@ -450,40 +342,9 @@
EXPORT_SYMBOL(nf_nat_decode_session_hook);
#endif
-static int nf_register_hook_list(struct net *net)
-{
- struct nf_hook_ops *elem;
- int ret;
-
- rtnl_lock();
- list_for_each_entry(elem, &nf_hook_list, list) {
- ret = nf_register_net_hook(net, elem);
- if (ret && ret != -ENOENT)
- goto out_undo;
- }
- rtnl_unlock();
- return 0;
-
-out_undo:
- list_for_each_entry_continue_reverse(elem, &nf_hook_list, list)
- nf_unregister_net_hook(net, elem);
- rtnl_unlock();
- return ret;
-}
-
-static void nf_unregister_hook_list(struct net *net)
-{
- struct nf_hook_ops *elem;
-
- rtnl_lock();
- list_for_each_entry(elem, &nf_hook_list, list)
- nf_unregister_net_hook(net, elem);
- rtnl_unlock();
-}
-
static int __net_init netfilter_net_init(struct net *net)
{
- int i, h, ret;
+ int i, h;
for (i = 0; i < ARRAY_SIZE(net->nf.hooks); i++) {
for (h = 0; h < NF_MAX_HOOKS; h++)
@@ -500,16 +361,12 @@
return -ENOMEM;
}
#endif
- ret = nf_register_hook_list(net);
- if (ret)
- remove_proc_entry("netfilter", net->proc_net);
- return ret;
+ return 0;
}
static void __net_exit netfilter_net_exit(struct net *net)
{
- nf_unregister_hook_list(net);
remove_proc_entry("netfilter", net->proc_net);
}
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index e03d16e..899c2c3 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -422,7 +422,7 @@
h = nf_ct_expect_dst_hash(net, &expect->tuple);
hlist_for_each_entry_safe(i, next, &nf_ct_expect_hash[h], hnode) {
if (expect_matches(i, expect)) {
- if (nf_ct_remove_expect(expect))
+ if (nf_ct_remove_expect(i))
break;
} else if (expect_clash(i, expect)) {
ret = -EBUSY;
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 832c5a0..b1d3740 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -222,20 +222,21 @@
.tuple = tuple,
.zone = zone
};
- struct rhlist_head *hl;
+ struct rhlist_head *hl, *h;
hl = rhltable_lookup(&nf_nat_bysource_table, &key,
nf_nat_bysource_params);
- if (!hl)
- return 0;
- ct = container_of(hl, typeof(*ct), nat_bysource);
+ rhl_for_each_entry_rcu(ct, h, hl, nat_bysource) {
+ nf_ct_invert_tuplepr(result,
+ &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+ result->dst = tuple->dst;
- nf_ct_invert_tuplepr(result,
- &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
- result->dst = tuple->dst;
+ if (in_range(l3proto, l4proto, result, range))
+ return 1;
+ }
- return in_range(l3proto, l4proto, result, range);
+ return 0;
}
/* For [FUTURE] fragmentation handling, we want the least-used
@@ -440,7 +441,7 @@
else
ct->status |= IPS_DST_NAT;
- if (nfct_help(ct))
+ if (nfct_help(ct) && !nfct_seqadj(ct))
if (!nfct_seqadj_ext_add(ct))
return NF_DROP;
}
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 92b05e18..733d3e4 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -472,8 +472,7 @@
if (msglen > skb->len)
msglen = skb->len;
- if (nlh->nlmsg_len < NLMSG_HDRLEN ||
- skb->len < NLMSG_HDRLEN + sizeof(struct nfgenmsg))
+ if (skb->len < NLMSG_HDRLEN + sizeof(struct nfgenmsg))
return;
err = nla_parse(cda, NFNL_BATCH_MAX, attr, attrlen, nfnl_batch_policy,
@@ -500,7 +499,8 @@
{
struct nlmsghdr *nlh = nlmsg_hdr(skb);
- if (nlh->nlmsg_len < NLMSG_HDRLEN ||
+ if (skb->len < NLMSG_HDRLEN ||
+ nlh->nlmsg_len < NLMSG_HDRLEN ||
skb->len < nlh->nlmsg_len)
return;
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index f5a7cb6..b89f4f6 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -305,7 +305,7 @@
const struct nf_hook_ops *ops = &basechain->ops[0];
hook_mask = 1 << ops->hooknum;
- if (!(hook_mask & target->hooks))
+ if (target->hooks && !(hook_mask & target->hooks))
return -EINVAL;
ret = nft_compat_chain_validate_dependency(target->table,
@@ -484,7 +484,7 @@
const struct nf_hook_ops *ops = &basechain->ops[0];
hook_mask = 1 << ops->hooknum;
- if (!(hook_mask & match->hooks))
+ if (match->hooks && !(hook_mask & match->hooks))
return -EINVAL;
ret = nft_compat_chain_validate_dependency(match->table,
diff --git a/net/netfilter/nft_limit.c b/net/netfilter/nft_limit.c
index 18dd57a..14538b1 100644
--- a/net/netfilter/nft_limit.c
+++ b/net/netfilter/nft_limit.c
@@ -65,19 +65,23 @@
limit->nsecs = unit * NSEC_PER_SEC;
if (limit->rate == 0 || limit->nsecs < unit)
return -EOVERFLOW;
- limit->tokens = limit->tokens_max = limit->nsecs;
- if (tb[NFTA_LIMIT_BURST]) {
- u64 rate;
-
+ if (tb[NFTA_LIMIT_BURST])
limit->burst = ntohl(nla_get_be32(tb[NFTA_LIMIT_BURST]));
+ else
+ limit->burst = 0;
- rate = limit->rate + limit->burst;
- if (rate < limit->rate)
- return -EOVERFLOW;
+ if (limit->rate + limit->burst < limit->rate)
+ return -EOVERFLOW;
- limit->rate = rate;
- }
+ /* The token bucket size limits the number of tokens can be
+ * accumulated. tokens_max specifies the bucket size.
+ * tokens_max = unit * (rate + burst) / rate.
+ */
+ limit->tokens = div_u64(limit->nsecs * (limit->rate + limit->burst),
+ limit->rate);
+ limit->tokens_max = limit->tokens;
+
if (tb[NFTA_LIMIT_FLAGS]) {
u32 flags = ntohl(nla_get_be32(tb[NFTA_LIMIT_FLAGS]));
@@ -95,9 +99,8 @@
{
u32 flags = limit->invert ? NFT_LIMIT_F_INV : 0;
u64 secs = div_u64(limit->nsecs, NSEC_PER_SEC);
- u64 rate = limit->rate - limit->burst;
- if (nla_put_be64(skb, NFTA_LIMIT_RATE, cpu_to_be64(rate),
+ if (nla_put_be64(skb, NFTA_LIMIT_RATE, cpu_to_be64(limit->rate),
NFTA_LIMIT_PAD) ||
nla_put_be64(skb, NFTA_LIMIT_UNIT, cpu_to_be64(secs),
NFTA_LIMIT_PAD) ||
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index e461067..a54a556 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -1337,6 +1337,7 @@
goto out;
}
+ OVS_CB(skb)->acts_origlen = acts->orig_len;
err = do_execute_actions(dp, skb, key,
acts->actions, acts->actions_len);
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 08679eb..03859e3 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -629,6 +629,34 @@
return ct;
}
+static
+struct nf_conn *ovs_ct_executed(struct net *net,
+ const struct sw_flow_key *key,
+ const struct ovs_conntrack_info *info,
+ struct sk_buff *skb,
+ bool *ct_executed)
+{
+ struct nf_conn *ct = NULL;
+
+ /* If no ct, check if we have evidence that an existing conntrack entry
+ * might be found for this skb. This happens when we lose a skb->_nfct
+ * due to an upcall, or if the direction is being forced. If the
+ * connection was not confirmed, it is not cached and needs to be run
+ * through conntrack again.
+ */
+ *ct_executed = (key->ct_state & OVS_CS_F_TRACKED) &&
+ !(key->ct_state & OVS_CS_F_INVALID) &&
+ (key->ct_zone == info->zone.id);
+
+ if (*ct_executed || (!key->ct_state && info->force)) {
+ ct = ovs_ct_find_existing(net, &info->zone, info->family, skb,
+ !!(key->ct_state &
+ OVS_CS_F_NAT_MASK));
+ }
+
+ return ct;
+}
+
/* Determine whether skb->_nfct is equal to the result of conntrack lookup. */
static bool skb_nfct_cached(struct net *net,
const struct sw_flow_key *key,
@@ -637,24 +665,17 @@
{
enum ip_conntrack_info ctinfo;
struct nf_conn *ct;
+ bool ct_executed = true;
ct = nf_ct_get(skb, &ctinfo);
- /* If no ct, check if we have evidence that an existing conntrack entry
- * might be found for this skb. This happens when we lose a skb->_nfct
- * due to an upcall. If the connection was not confirmed, it is not
- * cached and needs to be run through conntrack again.
- */
- if (!ct && key->ct_state & OVS_CS_F_TRACKED &&
- !(key->ct_state & OVS_CS_F_INVALID) &&
- key->ct_zone == info->zone.id) {
- ct = ovs_ct_find_existing(net, &info->zone, info->family, skb,
- !!(key->ct_state
- & OVS_CS_F_NAT_MASK));
- if (ct)
- nf_ct_get(skb, &ctinfo);
- }
if (!ct)
+ ct = ovs_ct_executed(net, key, info, skb, &ct_executed);
+
+ if (ct)
+ nf_ct_get(skb, &ctinfo);
+ else
return false;
+
if (!net_eq(net, read_pnet(&ct->ct_net)))
return false;
if (!nf_ct_zone_equal_any(info->ct, nf_ct_zone(ct)))
@@ -679,7 +700,7 @@
return false;
}
- return true;
+ return ct_executed;
}
#ifdef CONFIG_NF_NAT_NEEDED
@@ -1289,8 +1310,8 @@
nla_for_each_nested(a, attr, rem) {
int type = nla_type(a);
- int maxlen = ovs_ct_attr_lens[type].maxlen;
- int minlen = ovs_ct_attr_lens[type].minlen;
+ int maxlen;
+ int minlen;
if (type > OVS_CT_ATTR_MAX) {
OVS_NLERR(log,
@@ -1298,6 +1319,9 @@
type, OVS_CT_ATTR_MAX);
return -EINVAL;
}
+
+ maxlen = ovs_ct_attr_lens[type].maxlen;
+ minlen = ovs_ct_attr_lens[type].minlen;
if (nla_len(a) < minlen || nla_len(a) > maxlen) {
OVS_NLERR(log,
"Conntrack attr type has unexpected length (type=%d, length=%d, expected=%d)",
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 45fe8c8..6b44fe4 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -381,7 +381,7 @@
}
static size_t upcall_msg_size(const struct dp_upcall_info *upcall_info,
- unsigned int hdrlen)
+ unsigned int hdrlen, int actions_attrlen)
{
size_t size = NLMSG_ALIGN(sizeof(struct ovs_header))
+ nla_total_size(hdrlen) /* OVS_PACKET_ATTR_PACKET */
@@ -398,7 +398,7 @@
/* OVS_PACKET_ATTR_ACTIONS */
if (upcall_info->actions_len)
- size += nla_total_size(upcall_info->actions_len);
+ size += nla_total_size(actions_attrlen);
/* OVS_PACKET_ATTR_MRU */
if (upcall_info->mru)
@@ -465,7 +465,8 @@
else
hlen = skb->len;
- len = upcall_msg_size(upcall_info, hlen - cutlen);
+ len = upcall_msg_size(upcall_info, hlen - cutlen,
+ OVS_CB(skb)->acts_origlen);
user_skb = genlmsg_new(len, GFP_ATOMIC);
if (!user_skb) {
err = -ENOMEM;
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 5d8dcd8..4806006 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -99,11 +99,13 @@
* when a packet is received by OVS.
* @mru: The maximum received fragement size; 0 if the packet is not
* fragmented.
+ * @acts_origlen: The netlink size of the flow actions applied to this skb.
* @cutlen: The number of bytes from the packet end to be removed.
*/
struct ovs_skb_cb {
struct vport *input_vport;
u16 mru;
+ u16 acts_origlen;
u32 cutlen;
};
#define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index e3beb28..1c61af9 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -214,6 +214,7 @@
static void prb_fill_vlan_info(struct tpacket_kbdq_core *,
struct tpacket3_hdr *);
static void packet_flush_mclist(struct sock *sk);
+static void packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb);
struct packet_skb_cb {
union {
@@ -260,6 +261,7 @@
if (skb != orig_skb)
goto drop;
+ packet_pick_tx_queue(dev, skb);
txq = skb_get_tx_queue(dev, skb);
local_bh_disable();
@@ -2189,6 +2191,7 @@
struct timespec ts;
__u32 ts_status;
bool is_drop_n_account = false;
+ bool do_vnet = false;
/* struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
* We may add members to them until current aligned size without forcing
@@ -2239,8 +2242,10 @@
netoff = TPACKET_ALIGN(po->tp_hdrlen +
(maclen < 16 ? 16 : maclen)) +
po->tp_reserve;
- if (po->has_vnet_hdr)
+ if (po->has_vnet_hdr) {
netoff += sizeof(struct virtio_net_hdr);
+ do_vnet = true;
+ }
macoff = netoff - maclen;
}
if (po->tp_version <= TPACKET_V2) {
@@ -2257,8 +2262,10 @@
skb_set_owner_r(copy_skb, sk);
}
snaplen = po->rx_ring.frame_size - macoff;
- if ((int)snaplen < 0)
+ if ((int)snaplen < 0) {
snaplen = 0;
+ do_vnet = false;
+ }
}
} else if (unlikely(macoff + snaplen >
GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len)) {
@@ -2271,6 +2278,7 @@
if (unlikely((int)snaplen < 0)) {
snaplen = 0;
macoff = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len;
+ do_vnet = false;
}
}
spin_lock(&sk->sk_receive_queue.lock);
@@ -2296,7 +2304,7 @@
}
spin_unlock(&sk->sk_receive_queue.lock);
- if (po->has_vnet_hdr) {
+ if (do_vnet) {
if (virtio_net_hdr_from_skb(skb, h.raw + macoff -
sizeof(struct virtio_net_hdr),
vio_le(), true)) {
@@ -2747,8 +2755,6 @@
goto tpacket_error;
}
- packet_pick_tx_queue(dev, skb);
-
skb->destructor = tpacket_destruct_skb;
__packet_set_status(po, ph, TP_STATUS_SENDING);
packet_inc_pending(&po->tx_ring);
@@ -2931,8 +2937,6 @@
skb->priority = sk->sk_priority;
skb->mark = sockc.mark;
- packet_pick_tx_queue(dev, skb);
-
if (po->has_vnet_hdr) {
err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le());
if (err)
@@ -3702,14 +3706,19 @@
if (optlen != sizeof(val))
return -EINVAL;
- if (po->rx_ring.pg_vec || po->tx_ring.pg_vec)
- return -EBUSY;
if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
if (val > INT_MAX)
return -EINVAL;
- po->tp_reserve = val;
- return 0;
+ lock_sock(sk);
+ if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) {
+ ret = -EBUSY;
+ } else {
+ po->tp_reserve = val;
+ ret = 0;
+ }
+ release_sock(sk);
+ return ret;
}
case PACKET_LOSS:
{
@@ -4331,7 +4340,7 @@
register_prot_hook(sk);
}
spin_unlock(&po->bind_lock);
- if (closing && (po->tp_version > TPACKET_V2)) {
+ if (pg_vec && (po->tp_version > TPACKET_V2)) {
/* Because we don't support block-based V3 on tx-ring */
if (!tx_ring)
prb_shutdown_retire_blk_timer(po, rb_queue);
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index e10624a..9722bf8 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -1015,8 +1015,10 @@
if (rds_ib_ring_empty(&ic->i_recv_ring))
rds_ib_stats_inc(s_ib_rx_ring_empty);
- if (rds_ib_ring_low(&ic->i_recv_ring))
+ if (rds_ib_ring_low(&ic->i_recv_ring)) {
rds_ib_recv_refill(conn, 0, GFP_NOWAIT);
+ rds_ib_stats_inc(s_ib_rx_refill_from_cq);
+ }
}
int rds_ib_recv_path(struct rds_conn_path *cp)
@@ -1029,6 +1031,7 @@
if (rds_conn_up(conn)) {
rds_ib_attempt_ack(ic);
rds_ib_recv_refill(conn, 0, GFP_KERNEL);
+ rds_ib_stats_inc(s_ib_rx_refill_from_thread);
}
return ret;
diff --git a/net/rds/send.c b/net/rds/send.c
index e81aa17..41b9f0f 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -170,8 +170,8 @@
* The acquire_in_xmit() check above ensures that only one
* caller can increment c_send_gen at any time.
*/
- cp->cp_send_gen++;
- send_gen = cp->cp_send_gen;
+ send_gen = READ_ONCE(cp->cp_send_gen) + 1;
+ WRITE_ONCE(cp->cp_send_gen, send_gen);
/*
* rds_conn_shutdown() sets the conn state and then tests RDS_IN_XMIT,
@@ -431,7 +431,7 @@
smp_mb();
if ((test_bit(0, &conn->c_map_queued) ||
!list_empty(&cp->cp_send_queue)) &&
- send_gen == cp->cp_send_gen) {
+ send_gen == READ_ONCE(cp->cp_send_gen)) {
rds_stats_inc(s_send_lock_queue_raced);
if (batch_count < send_batch_count)
goto restart;
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index dd30d74..ec3383f 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -223,6 +223,7 @@
tail = b->call_backlog_tail;
while (CIRC_CNT(head, tail, size) > 0) {
struct rxrpc_call *call = b->call_backlog[tail];
+ call->socket = rx;
if (rx->discard_new_call) {
_debug("discard %lx", call->user_call_ID);
rx->discard_new_call(call, call->user_call_ID);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index aed6cf2..f2e9ed3 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -835,7 +835,7 @@
}
static int
-act_get_notify(struct net *net, u32 portid, struct nlmsghdr *n,
+tcf_get_notify(struct net *net, u32 portid, struct nlmsghdr *n,
struct list_head *actions, int event)
{
struct sk_buff *skb;
@@ -1018,7 +1018,7 @@
}
if (event == RTM_GETACTION)
- ret = act_get_notify(net, portid, n, &actions, event);
+ ret = tcf_get_notify(net, portid, n, &actions, event);
else { /* delete */
ret = tcf_del_notify(net, n, &actions, portid);
if (ret)
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 36f0ced..5417078 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -36,11 +36,12 @@
static unsigned int xt_net_id;
static struct tc_action_ops act_xt_ops;
-static int ipt_init_target(struct xt_entry_target *t, char *table,
- unsigned int hook)
+static int ipt_init_target(struct net *net, struct xt_entry_target *t,
+ char *table, unsigned int hook)
{
struct xt_tgchk_param par;
struct xt_target *target;
+ struct ipt_entry e = {};
int ret = 0;
target = xt_request_find_target(AF_INET, t->u.user.name,
@@ -49,8 +50,10 @@
return PTR_ERR(target);
t->u.kernel.target = target;
+ memset(&par, 0, sizeof(par));
+ par.net = net;
par.table = table;
- par.entryinfo = NULL;
+ par.entryinfo = &e;
par.target = target;
par.targinfo = t->data;
par.hook_mask = hook;
@@ -91,10 +94,11 @@
[TCA_IPT_TARG] = { .len = sizeof(struct xt_entry_target) },
};
-static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla,
+static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla,
struct nlattr *est, struct tc_action **a,
const struct tc_action_ops *ops, int ovr, int bind)
{
+ struct tc_action_net *tn = net_generic(net, id);
struct nlattr *tb[TCA_IPT_MAX + 1];
struct tcf_ipt *ipt;
struct xt_entry_target *td, *t;
@@ -159,7 +163,7 @@
if (unlikely(!t))
goto err2;
- err = ipt_init_target(t, tname, hook);
+ err = ipt_init_target(net, t, tname, hook);
if (err < 0)
goto err3;
@@ -193,18 +197,16 @@
struct nlattr *est, struct tc_action **a, int ovr,
int bind)
{
- struct tc_action_net *tn = net_generic(net, ipt_net_id);
-
- return __tcf_ipt_init(tn, nla, est, a, &act_ipt_ops, ovr, bind);
+ return __tcf_ipt_init(net, ipt_net_id, nla, est, a, &act_ipt_ops, ovr,
+ bind);
}
static int tcf_xt_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a, int ovr,
int bind)
{
- struct tc_action_net *tn = net_generic(net, xt_net_id);
-
- return __tcf_ipt_init(tn, nla, est, a, &act_xt_ops, ovr, bind);
+ return __tcf_ipt_init(net, xt_net_id, nla, est, a, &act_xt_ops, ovr,
+ bind);
}
static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 39da0c5..6c5ea84 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -205,7 +205,7 @@
{
struct tcf_proto *tp;
- if (*chain->p_filter_chain)
+ if (chain->p_filter_chain)
RCU_INIT_POINTER(*chain->p_filter_chain, NULL);
while ((tp = rtnl_dereference(chain->filter_chain)) != NULL) {
RCU_INIT_POINTER(chain->filter_chain, tp->next);
@@ -215,9 +215,15 @@
static void tcf_chain_destroy(struct tcf_chain *chain)
{
- list_del(&chain->list);
- tcf_chain_flush(chain);
- kfree(chain);
+ /* May be already removed from the list by the previous call. */
+ if (!list_empty(&chain->list))
+ list_del_init(&chain->list);
+
+ /* There might still be a reference held when we got here from
+ * tcf_block_put. Wait for the user to drop reference before free.
+ */
+ if (!chain->refcnt)
+ kfree(chain);
}
struct tcf_chain *tcf_chain_get(struct tcf_block *block, u32 chain_index,
@@ -288,8 +294,10 @@
if (!block)
return;
- list_for_each_entry_safe(chain, tmp, &block->chain_list, list)
+ list_for_each_entry_safe(chain, tmp, &block->chain_list, list) {
+ tcf_chain_flush(chain);
tcf_chain_destroy(chain);
+ }
kfree(block);
}
EXPORT_SYMBOL(tcf_block_put);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index bd24a55..4fb5a32 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -286,9 +286,6 @@
void qdisc_hash_add(struct Qdisc *q, bool invisible)
{
if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) {
- struct Qdisc *root = qdisc_dev(q)->qdisc;
-
- WARN_ON_ONCE(root == &noop_qdisc);
ASSERT_RTNL();
hash_add_rcu(qdisc_dev(q)->qdisc_hash, &q->hash, q->handle);
if (invisible)
@@ -839,7 +836,7 @@
old = dev_graft_qdisc(dev_queue, new);
if (new && i > 0)
- refcount_inc(&new->refcnt);
+ qdisc_refcount_inc(new);
if (!ingress)
qdisc_destroy(old);
@@ -850,7 +847,7 @@
notify_and_destroy(net, skb, n, classid,
dev->qdisc, new);
if (new && !new->ops->attach)
- refcount_inc(&new->refcnt);
+ qdisc_refcount_inc(new);
dev->qdisc = new ? : &noop_qdisc;
if (new && new->ops->attach)
@@ -1259,7 +1256,7 @@
if (q == p ||
(p && check_loop(q, p, 0)))
return -ELOOP;
- refcount_inc(&q->refcnt);
+ qdisc_refcount_inc(q);
goto graft;
} else {
if (!q)
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 572fe25..c403c87 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -572,8 +572,10 @@
struct atm_flow_data *flow, *tmp;
pr_debug("atm_tc_destroy(sch %p,[qdisc %p])\n", sch, p);
- list_for_each_entry(flow, &p->flows, list)
+ list_for_each_entry(flow, &p->flows, list) {
tcf_block_put(flow->block);
+ flow->block = NULL;
+ }
list_for_each_entry_safe(flow, tmp, &p->flows, list) {
if (flow->ref > 1)
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 481036f..156c8a3 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1139,6 +1139,13 @@
struct tc_ratespec *r;
int err;
+ qdisc_watchdog_init(&q->watchdog, sch);
+ hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+ q->delay_timer.function = cbq_undelay;
+
+ if (!opt)
+ return -EINVAL;
+
err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL);
if (err < 0)
return err;
@@ -1177,9 +1184,6 @@
q->link.avpkt = q->link.allot/2;
q->link.minidle = -0x7FFFFFFF;
- qdisc_watchdog_init(&q->watchdog, sch);
- hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
- q->delay_timer.function = cbq_undelay;
q->toplevel = TC_CBQ_MAXLEVEL;
q->now = psched_get_time();
@@ -1431,8 +1435,10 @@
* be bound to classes which have been destroyed already. --TGR '04
*/
for (h = 0; h < q->clhash.hashsize; h++) {
- hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode)
+ hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) {
tcf_block_put(cl->block);
+ cl->block = NULL;
+ }
}
for (h = 0; h < q->clhash.hashsize; h++) {
hlist_for_each_entry_safe(cl, next, &q->clhash.hash[h],
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 337f2d6..2c0c05f 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -491,10 +491,8 @@
if (!q->flows)
return -ENOMEM;
q->backlogs = kvzalloc(q->flows_cnt * sizeof(u32), GFP_KERNEL);
- if (!q->backlogs) {
- kvfree(q->flows);
+ if (!q->backlogs)
return -ENOMEM;
- }
for (i = 0; i < q->flows_cnt; i++) {
struct fq_codel_flow *flow = q->flows + i;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 57ba406..4ba6da5 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -785,7 +785,7 @@
dev->priv_flags & IFF_NO_QUEUE) {
netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL);
dev->qdisc = txq->qdisc_sleeping;
- refcount_inc(&dev->qdisc->refcnt);
+ qdisc_refcount_inc(dev->qdisc);
} else {
qdisc = qdisc_create_dflt(txq, &mq_qdisc_ops, TC_H_ROOT);
if (qdisc) {
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index b52f746..11ab8da 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1418,6 +1418,8 @@
struct tc_hfsc_qopt *qopt;
int err;
+ qdisc_watchdog_init(&q->watchdog, sch);
+
if (opt == NULL || nla_len(opt) < sizeof(*qopt))
return -EINVAL;
qopt = nla_data(opt);
@@ -1428,6 +1430,10 @@
return err;
q->eligible = RB_ROOT;
+ err = tcf_block_get(&q->root.block, &q->root.filter_list);
+ if (err)
+ return err;
+
q->root.cl_common.classid = sch->handle;
q->root.refcnt = 1;
q->root.sched = q;
@@ -1444,8 +1450,6 @@
qdisc_class_hash_insert(&q->clhash, &q->root.cl_common);
qdisc_class_hash_grow(sch, &q->clhash);
- qdisc_watchdog_init(&q->watchdog, sch);
-
return 0;
}
@@ -1522,8 +1526,10 @@
unsigned int i;
for (i = 0; i < q->clhash.hashsize; i++) {
- hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode)
+ hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) {
tcf_block_put(cl->block);
+ cl->block = NULL;
+ }
}
for (i = 0; i < q->clhash.hashsize; i++) {
hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i],
diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index 51d3ba6..73a53c0 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -477,6 +477,9 @@
kvfree(q->hhf_valid_bits[i]);
}
+ if (!q->hh_flows)
+ return;
+
for (i = 0; i < HH_FLOWS_CNT; i++) {
struct hh_flow_state *flow, *next;
struct list_head *head = &q->hh_flows[i];
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 203286a..5bf5177 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1017,6 +1017,9 @@
int err;
int i;
+ qdisc_watchdog_init(&q->watchdog, sch);
+ INIT_WORK(&q->work, htb_work_func);
+
if (!opt)
return -EINVAL;
@@ -1041,8 +1044,6 @@
for (i = 0; i < TC_HTB_NUMPRIO; i++)
INIT_LIST_HEAD(q->drops + i);
- qdisc_watchdog_init(&q->watchdog, sch);
- INIT_WORK(&q->work, htb_work_func);
qdisc_skb_head_init(&q->direct_queue);
if (tb[TCA_HTB_DIRECT_QLEN])
@@ -1258,8 +1259,10 @@
tcf_block_put(q->block);
for (i = 0; i < q->clhash.hashsize; i++) {
- hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode)
+ hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) {
tcf_block_put(cl->block);
+ cl->block = NULL;
+ }
}
for (i = 0; i < q->clhash.hashsize; i++) {
hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i],
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index f143b7b..9c454f5 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -257,12 +257,7 @@
for (i = 0; i < q->max_bands; i++)
q->queues[i] = &noop_qdisc;
- err = multiq_tune(sch, opt);
-
- if (err)
- kfree(q->queues);
-
- return err;
+ return multiq_tune(sch, opt);
}
static int multiq_dump(struct Qdisc *sch, struct sk_buff *skb)
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 1b3dd61..14d1724 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -933,11 +933,11 @@
struct netem_sched_data *q = qdisc_priv(sch);
int ret;
+ qdisc_watchdog_init(&q->watchdog, sch);
+
if (!opt)
return -EINVAL;
- qdisc_watchdog_init(&q->watchdog, sch);
-
q->loss_model = CLG_RANDOM;
ret = netem_change(sch, opt);
if (ret)
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index f80ea2c..fc69fc5 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -437,6 +437,7 @@
qdisc_drop(head, sch, to_free);
slot_queue_add(slot, skb);
+ qdisc_tree_reduce_backlog(sch, 0, delta);
return NET_XMIT_CN;
}
@@ -468,8 +469,10 @@
/* Return Congestion Notification only if we dropped a packet
* from this flow.
*/
- if (qlen != slot->qlen)
+ if (qlen != slot->qlen) {
+ qdisc_tree_reduce_backlog(sch, 0, dropped - qdisc_pkt_len(skb));
return NET_XMIT_CN;
+ }
/* As we dropped a packet, better let upper stack know this */
qdisc_tree_reduce_backlog(sch, 1, dropped);
@@ -713,13 +716,13 @@
int i;
int err;
+ setup_deferrable_timer(&q->perturb_timer, sfq_perturbation,
+ (unsigned long)sch);
+
err = tcf_block_get(&q->block, &q->filter_list);
if (err)
return err;
- setup_deferrable_timer(&q->perturb_timer, sfq_perturbation,
- (unsigned long)sch);
-
for (i = 0; i < SFQ_MAX_DEPTH + 1; i++) {
q->dep[i].next = i + SFQ_MAX_FLOWS;
q->dep[i].prev = i + SFQ_MAX_FLOWS;
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index b2e4b6a..493270f 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -425,12 +425,13 @@
{
struct tbf_sched_data *q = qdisc_priv(sch);
+ qdisc_watchdog_init(&q->watchdog, sch);
+ q->qdisc = &noop_qdisc;
+
if (opt == NULL)
return -EINVAL;
q->t_c = ktime_get_ns();
- qdisc_watchdog_init(&q->watchdog, sch);
- q->qdisc = &noop_qdisc;
return tbf_change(sch, opt);
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 2a186b20..a4b6ffb 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -512,7 +512,9 @@
{
addr->sa.sa_family = AF_INET6;
addr->v6.sin6_port = port;
+ addr->v6.sin6_flowinfo = 0;
addr->v6.sin6_addr = *saddr;
+ addr->v6.sin6_scope_id = 0;
}
/* Compare addresses exactly.
diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
index 9a64721..e99518e 100644
--- a/net/sctp/sctp_diag.c
+++ b/net/sctp/sctp_diag.c
@@ -70,7 +70,8 @@
info = nla_data(attr);
list_for_each_entry_rcu(laddr, address_list, list) {
- memcpy(info, &laddr->a, addrlen);
+ memcpy(info, &laddr->a, sizeof(laddr->a));
+ memset(info + sizeof(laddr->a), 0, addrlen - sizeof(laddr->a));
info += addrlen;
}
@@ -93,7 +94,9 @@
info = nla_data(attr);
list_for_each_entry(from, &asoc->peer.transport_addr_list,
transports) {
- memcpy(info, &from->ipaddr, addrlen);
+ memcpy(info, &from->ipaddr, sizeof(from->ipaddr));
+ memset(info + sizeof(from->ipaddr), 0,
+ addrlen - sizeof(from->ipaddr));
info += addrlen;
}
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 4e16b02..6110447 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -228,7 +228,7 @@
sctp_adaptation_ind_param_t aiparam;
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
- __u8 extensions[3];
+ __u8 extensions[4];
struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL;
@@ -396,7 +396,7 @@
sctp_adaptation_ind_param_t aiparam;
sctp_supported_ext_param_t ext_param;
int num_ext = 0;
- __u8 extensions[3];
+ __u8 extensions[4];
struct sctp_paramhdr *auth_chunks = NULL,
*auth_hmacs = NULL,
*auth_random = NULL;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 1db478e..8d76086 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4538,8 +4538,7 @@
info->sctpi_ictrlchunks = asoc->stats.ictrlchunks;
prim = asoc->peer.primary_path;
- memcpy(&info->sctpi_p_address, &prim->ipaddr,
- sizeof(struct sockaddr_storage));
+ memcpy(&info->sctpi_p_address, &prim->ipaddr, sizeof(prim->ipaddr));
info->sctpi_p_state = prim->state;
info->sctpi_p_cwnd = prim->cwnd;
info->sctpi_p_srtt = prim->srtt;
diff --git a/net/socket.c b/net/socket.c
index bf21226..ad22df1 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1916,7 +1916,7 @@
if (copy_from_user(&msg, umsg, sizeof(*umsg)))
return -EFAULT;
- kmsg->msg_control = msg.msg_control;
+ kmsg->msg_control = (void __force *)msg.msg_control;
kmsg->msg_controllen = msg.msg_controllen;
kmsg->msg_flags = msg.msg_flags;
@@ -1935,7 +1935,8 @@
if (msg.msg_name && kmsg->msg_namelen) {
if (!save_addr) {
- err = move_addr_to_kernel(msg.msg_name, kmsg->msg_namelen,
+ err = move_addr_to_kernel(msg.msg_name,
+ kmsg->msg_namelen,
kmsg->msg_name);
if (err < 0)
return err;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 2b720fa..e185001 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -421,6 +421,9 @@
dprintk("svc: socket %p(inet %p), busy=%d\n",
svsk, sk,
test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags));
+
+ /* Refer to svc_setup_socket() for details. */
+ rmb();
svsk->sk_odata(sk);
if (!test_and_set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags))
svc_xprt_enqueue(&svsk->sk_xprt);
@@ -437,6 +440,9 @@
if (svsk) {
dprintk("svc: socket %p(inet %p), write_space busy=%d\n",
svsk, sk, test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags));
+
+ /* Refer to svc_setup_socket() for details. */
+ rmb();
svsk->sk_owspace(sk);
svc_xprt_enqueue(&svsk->sk_xprt);
}
@@ -760,8 +766,12 @@
dprintk("svc: socket %p TCP (listen) state change %d\n",
sk, sk->sk_state);
- if (svsk)
+ if (svsk) {
+ /* Refer to svc_setup_socket() for details. */
+ rmb();
svsk->sk_odata(sk);
+ }
+
/*
* This callback may called twice when a new connection
* is established as a child socket inherits everything
@@ -794,6 +804,8 @@
if (!svsk)
printk("svc: socket %p: no user data\n", sk);
else {
+ /* Refer to svc_setup_socket() for details. */
+ rmb();
svsk->sk_ostate(sk);
if (sk->sk_state != TCP_ESTABLISHED) {
set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
@@ -1381,12 +1393,18 @@
return ERR_PTR(err);
}
- inet->sk_user_data = svsk;
svsk->sk_sock = sock;
svsk->sk_sk = inet;
svsk->sk_ostate = inet->sk_state_change;
svsk->sk_odata = inet->sk_data_ready;
svsk->sk_owspace = inet->sk_write_space;
+ /*
+ * This barrier is necessary in order to prevent race condition
+ * with svc_data_ready(), svc_listen_data_ready() and others
+ * when calling callbacks above.
+ */
+ wmb();
+ inet->sk_user_data = svsk;
/* Initialize the socket */
if (sock->type == SOCK_DGRAM)
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index d5b54c0..4f154d3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1624,6 +1624,8 @@
if (test_and_clear_bit(XPRT_SOCK_CONNECTING,
&transport->sock_state))
xprt_clear_connecting(xprt);
+ if (sk->sk_err)
+ xprt_wake_pending_tasks(xprt, -sk->sk_err);
xs_sock_mark_closed(xprt);
}
out:
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index d174ee3..89cd061 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -65,6 +65,8 @@
}
static void bearer_disable(struct net *net, struct tipc_bearer *b);
+static int tipc_l2_rcv_msg(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev);
/**
* tipc_media_find - locates specified media object by name
@@ -428,6 +430,10 @@
/* Associate TIPC bearer with L2 bearer */
rcu_assign_pointer(b->media_ptr, dev);
+ b->pt.dev = dev;
+ b->pt.type = htons(ETH_P_TIPC);
+ b->pt.func = tipc_l2_rcv_msg;
+ dev_add_pack(&b->pt);
memset(&b->bcast_addr, 0, sizeof(b->bcast_addr));
memcpy(b->bcast_addr.value, dev->broadcast, b->media->hwaddr_len);
b->bcast_addr.media_id = b->media->type_id;
@@ -447,6 +453,7 @@
struct net_device *dev;
dev = (struct net_device *)rtnl_dereference(b->media_ptr);
+ dev_remove_pack(&b->pt);
RCU_INIT_POINTER(dev->tipc_ptr, NULL);
synchronize_net();
dev_put(dev);
@@ -594,11 +601,12 @@
struct tipc_bearer *b;
rcu_read_lock();
- b = rcu_dereference_rtnl(dev->tipc_ptr);
+ b = rcu_dereference_rtnl(dev->tipc_ptr) ?:
+ rcu_dereference_rtnl(orig_dev->tipc_ptr);
if (likely(b && test_bit(0, &b->up) &&
- (skb->pkt_type <= PACKET_BROADCAST))) {
+ (skb->pkt_type <= PACKET_MULTICAST))) {
skb->next = NULL;
- tipc_rcv(dev_net(dev), skb, b);
+ tipc_rcv(dev_net(b->pt.dev), skb, b);
rcu_read_unlock();
return NET_RX_SUCCESS;
}
@@ -659,11 +667,6 @@
return NOTIFY_OK;
}
-static struct packet_type tipc_packet_type __read_mostly = {
- .type = htons(ETH_P_TIPC),
- .func = tipc_l2_rcv_msg,
-};
-
static struct notifier_block notifier = {
.notifier_call = tipc_l2_device_event,
.priority = 0,
@@ -671,19 +674,12 @@
int tipc_bearer_setup(void)
{
- int err;
-
- err = register_netdevice_notifier(¬ifier);
- if (err)
- return err;
- dev_add_pack(&tipc_packet_type);
- return 0;
+ return register_netdevice_notifier(¬ifier);
}
void tipc_bearer_cleanup(void)
{
unregister_netdevice_notifier(¬ifier);
- dev_remove_pack(&tipc_packet_type);
}
void tipc_bearer_stop(struct net *net)
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 635c908..e07a55a 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -131,6 +131,7 @@
* @name: bearer name (format = media:interface)
* @media: ptr to media structure associated with bearer
* @bcast_addr: media address used in broadcasting
+ * @pt: packet type for bearer
* @rcu: rcu struct for tipc_bearer
* @priority: default link priority for bearer
* @window: default window size for bearer
@@ -151,6 +152,7 @@
char name[TIPC_MAX_BEARER_NAME];
struct tipc_media *media;
struct tipc_media_addr bcast_addr;
+ struct packet_type pt;
struct rcu_head rcu;
u32 priority;
u32 window;
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index ab30876..6ef379f 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -479,13 +479,14 @@
bool tipc_msg_reverse(u32 own_node, struct sk_buff **skb, int err)
{
struct sk_buff *_skb = *skb;
- struct tipc_msg *hdr = buf_msg(_skb);
+ struct tipc_msg *hdr;
struct tipc_msg ohdr;
- int dlen = min_t(uint, msg_data_sz(hdr), MAX_FORWARD_SIZE);
+ int dlen;
if (skb_linearize(_skb))
goto exit;
hdr = buf_msg(_skb);
+ dlen = min_t(uint, msg_data_sz(hdr), MAX_FORWARD_SIZE);
if (msg_dest_droppable(hdr))
goto exit;
if (msg_errcode(hdr))
@@ -511,8 +512,11 @@
pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_ATOMIC))
goto exit;
+ /* reassign after skb header modifications */
+ hdr = buf_msg(_skb);
/* Now reverse the concerned fields */
msg_set_errcode(hdr, err);
+ msg_set_non_seq(hdr, 0);
msg_set_origport(hdr, msg_destport(&ohdr));
msg_set_destport(hdr, msg_origport(&ohdr));
msg_set_destnode(hdr, msg_prevnode(&ohdr));
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 9bfe886..750949d 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -258,13 +258,15 @@
arg = nlmsg_new(0, GFP_KERNEL);
if (!arg) {
kfree_skb(msg->rep);
+ msg->rep = NULL;
return -ENOMEM;
}
err = __tipc_nl_compat_dumpit(cmd, msg, arg);
- if (err)
+ if (err) {
kfree_skb(msg->rep);
-
+ msg->rep = NULL;
+ }
kfree_skb(arg);
return err;
diff --git a/net/tipc/node.c b/net/tipc/node.c
index aeef801..7dd2233 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1126,8 +1126,8 @@
strncpy(linkname, tipc_link_name(link), len);
err = 0;
}
-exit:
tipc_node_read_unlock(node);
+exit:
tipc_node_put(node);
return err;
}
@@ -1455,10 +1455,8 @@
/* Initiate synch mode if applicable */
if ((usr == TUNNEL_PROTOCOL) && (mtyp == SYNCH_MSG) && (oseqno == 1)) {
syncpt = iseqno + exp_pkts - 1;
- if (!tipc_link_is_up(l)) {
- tipc_link_fsm_evt(l, LINK_ESTABLISH_EVT);
+ if (!tipc_link_is_up(l))
__tipc_node_link_up(n, bearer_id, xmitq);
- }
if (n->state == SELF_UP_PEER_UP) {
n->sync_point = syncpt;
tipc_link_fsm_evt(l, LINK_SYNCH_BEGIN_EVT);
@@ -1559,6 +1557,8 @@
/* Check/update node state before receiving */
if (unlikely(skb)) {
+ if (unlikely(skb_linearize(skb)))
+ goto discard;
tipc_node_write_lock(n);
if (tipc_node_check_state(n, skb, bearer_id, &xmitq)) {
if (le->link) {
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 101e359..d50edd6 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -2255,8 +2255,8 @@
do {
tsk = ERR_PTR(rhashtable_walk_start(&iter));
- if (tsk)
- continue;
+ if (IS_ERR(tsk))
+ goto walk_stop;
while ((tsk = rhashtable_walk_next(&iter)) && !IS_ERR(tsk)) {
spin_lock_bh(&tsk->sk.sk_lock.slock);
@@ -2265,7 +2265,7 @@
msg_set_orignode(msg, tn->own_addr);
spin_unlock_bh(&tsk->sk.sk_lock.slock);
}
-
+walk_stop:
rhashtable_walk_stop(&iter);
} while (tsk == ERR_PTR(-EAGAIN));
}
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index 0bf91cd..be3d9e3 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -52,7 +52,6 @@
struct list_head subscrp_list;
};
-static void tipc_subscrp_delete(struct tipc_subscription *sub);
static void tipc_subscrb_put(struct tipc_subscriber *subscriber);
/**
@@ -197,15 +196,19 @@
{
struct list_head *subscription_list = &subscriber->subscrp_list;
struct tipc_subscription *sub, *temp;
+ u32 timeout;
spin_lock_bh(&subscriber->lock);
list_for_each_entry_safe(sub, temp, subscription_list, subscrp_list) {
if (s && memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr)))
continue;
- tipc_nametbl_unsubscribe(sub);
- list_del(&sub->subscrp_list);
- tipc_subscrp_delete(sub);
+ timeout = htohl(sub->evt.s.timeout, sub->swap);
+ if (timeout == TIPC_WAIT_FOREVER || del_timer(&sub->timer)) {
+ tipc_nametbl_unsubscribe(sub);
+ list_del(&sub->subscrp_list);
+ tipc_subscrp_put(sub);
+ }
if (s)
break;
@@ -236,18 +239,12 @@
tipc_subscrb_put(subscriber);
}
-static void tipc_subscrp_delete(struct tipc_subscription *sub)
-{
- u32 timeout = htohl(sub->evt.s.timeout, sub->swap);
-
- if (timeout == TIPC_WAIT_FOREVER || del_timer(&sub->timer))
- tipc_subscrp_put(sub);
-}
-
static void tipc_subscrp_cancel(struct tipc_subscr *s,
struct tipc_subscriber *subscriber)
{
+ tipc_subscrb_get(subscriber);
tipc_subscrb_subscrp_delete(subscriber, s);
+ tipc_subscrb_put(subscriber);
}
static struct tipc_subscription *tipc_subscrp_create(struct net *net,
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 7b52a38..be8982b 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2304,10 +2304,7 @@
*/
mutex_lock(&u->iolock);
- if (flags & MSG_PEEK)
- skip = sk_peek_offset(sk, flags);
- else
- skip = 0;
+ skip = max(sk_peek_offset(sk, flags), 0);
do {
int chunk;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ff61d85..69b16ee 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2226,7 +2226,6 @@
goto no_transform;
}
- dst_hold(&xdst->u.dst);
route = xdst->route;
}
}
@@ -3308,9 +3307,15 @@
struct xfrm_state *x_new[XFRM_MAX_DEPTH];
struct xfrm_migrate *mp;
+ /* Stage 0 - sanity checks */
if ((err = xfrm_migrate_check(m, num_migrate)) < 0)
goto out;
+ if (dir >= XFRM_POLICY_MAX) {
+ err = -EINVAL;
+ goto out;
+ }
+
/* Stage 1 - find policy */
if ((pol = xfrm_migrate_policy_find(sel, dir, type, net)) == NULL) {
err = -ENOENT;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 6c0956d..a792eff 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1620,6 +1620,7 @@
xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n,
unsigned short family, struct net *net)
{
+ int i;
int err = 0;
struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
if (!afinfo)
@@ -1628,6 +1629,9 @@
spin_lock_bh(&net->xfrm.xfrm_state_lock); /*FIXME*/
if (afinfo->tmpl_sort)
err = afinfo->tmpl_sort(dst, src, n);
+ else
+ for (i = 0; i < n; i++)
+ dst[i] = src[i];
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
rcu_read_unlock();
return err;
@@ -1638,6 +1642,7 @@
xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n,
unsigned short family)
{
+ int i;
int err = 0;
struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
struct net *net = xs_net(*src);
@@ -1648,6 +1653,9 @@
spin_lock_bh(&net->xfrm.xfrm_state_lock);
if (afinfo->state_sort)
err = afinfo->state_sort(dst, src, n);
+ else
+ for (i = 0; i < n; i++)
+ dst[i] = src[i];
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
rcu_read_unlock();
return err;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 2be4c6a..9391ced 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -796,7 +796,7 @@
return -EMSGSIZE;
xuo = nla_data(attr);
-
+ memset(xuo, 0, sizeof(*xuo));
xuo->ifindex = xso->dev->ifindex;
xuo->flags = xso->flags;
@@ -1869,6 +1869,7 @@
return -EMSGSIZE;
id = nlmsg_data(nlh);
+ memset(&id->sa_id, 0, sizeof(id->sa_id));
memcpy(&id->sa_id.daddr, &x->id.daddr, sizeof(x->id.daddr));
id->sa_id.spi = x->id.spi;
id->sa_id.family = x->props.family;
@@ -2578,6 +2579,8 @@
ue = nlmsg_data(nlh);
copy_to_user_state(x, &ue->state);
ue->hard = (c->data.hard != 0) ? 1 : 0;
+ /* clear the padding bytes */
+ memset(&ue->hard + 1, 0, sizeof(*ue) - offsetofend(typeof(*ue), hard));
err = xfrm_mark_put(skb, &x->mark);
if (err)
@@ -2715,6 +2718,7 @@
struct nlattr *attr;
id = nlmsg_data(nlh);
+ memset(id, 0, sizeof(*id));
memcpy(&id->daddr, &x->id.daddr, sizeof(id->daddr));
id->spi = x->id.spi;
id->family = x->props.family;
diff --git a/samples/bpf/tcbpf2_kern.c b/samples/bpf/tcbpf2_kern.c
index 9c823a6..270edcc 100644
--- a/samples/bpf/tcbpf2_kern.c
+++ b/samples/bpf/tcbpf2_kern.c
@@ -147,9 +147,9 @@
__builtin_memset(&gopt, 0x0, sizeof(gopt));
gopt.opt_class = 0x102; /* Open Virtual Networking (OVN) */
gopt.type = 0x08;
- gopt.r1 = 1;
+ gopt.r1 = 0;
gopt.r2 = 0;
- gopt.r3 = 1;
+ gopt.r3 = 0;
gopt.length = 2; /* 4-byte multiple */
*(int *) &gopt.opt_data = 0xdeadbeef;
diff --git a/samples/bpf/test_tunnel_bpf.sh b/samples/bpf/test_tunnel_bpf.sh
index 1ff634f..a70d2ea 100755
--- a/samples/bpf/test_tunnel_bpf.sh
+++ b/samples/bpf/test_tunnel_bpf.sh
@@ -149,6 +149,7 @@
ip link del veth1
ip link del ipip11
ip link del gretap11
+ ip link del vxlan11
ip link del geneve11
pkill tcpdump
pkill cat
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index dd8e2dd..9ffd3dd 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -85,8 +85,8 @@
# try-run
# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
-# Exit code chooses option. "$$TMP" is can be used as temporary file and
-# is automatically cleaned up.
+# Exit code chooses option. "$$TMP" serves as a temporary file and is
+# automatically cleaned up.
try-run = $(shell set -e; \
TMP="$(TMPOUT).$$$$.tmp"; \
TMPO="$(TMPOUT).$$$$.o"; \
@@ -261,7 +261,6 @@
any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
# Execute command if command has changed or prerequisite(s) are updated.
-#
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
@@ -315,7 +314,7 @@
$(rule_$(1)), @:)
###
-# why - tell why a a target got build
+# why - tell why a target got built
# enabled by make V=2
# Output (listed in the order they are checked):
# (1) - due to target is PHONY
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 95f7d80..a6c8c17 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -1,9 +1,9 @@
# include/asm-generic contains a lot of files that are used
# verbatim by several architectures.
#
-# This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild
+# This Makefile reads the file arch/$(SRCARCH)/include/$(src)/Kbuild
# and for each file listed in this file with generic-y creates
-# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)
+# a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/$(src))
kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild
-include $(kbuild-file)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 4a9a2ce..f6152c7 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -229,8 +229,8 @@
endif
# Due to recursion, we must skip empty.o.
# The empty.o file is created in the make process in order to determine
-# the target endianness and word size. It is made before all other C
-# files, including recordmcount.
+# the target endianness and word size. It is made before all other C
+# files, including recordmcount.
sub_cmd_record_mcount = \
if [ $(@) != "scripts/mod/empty.o" ]; then \
$(objtree)/scripts/recordmcount $(RECORDMCOUNT_FLAGS) "$(@)"; \
@@ -245,13 +245,13 @@
"$(LD)" "$(NM)" "$(RM)" "$(MV)" \
"$(if $(part-of-module),1,0)" "$(@)";
recordmcount_source := $(srctree)/scripts/recordmcount.pl
-endif
+endif # BUILD_C_RECORDMCOUNT
cmd_record_mcount = \
if [ "$(findstring $(CC_FLAGS_FTRACE),$(_c_flags))" = \
"$(CC_FLAGS_FTRACE)" ]; then \
$(sub_cmd_record_mcount) \
fi;
-endif
+endif # CONFIG_FTRACE_MCOUNT_RECORD
ifdef CONFIG_STACK_VALIDATION
ifneq ($(SKIP_STACK_VALIDATION),1)
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 34614a4..993fb85 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -14,7 +14,7 @@
PHONY := __dtbs_install
__dtbs_install:
-export dtbinst-root ?= $(obj)
+export dtbinst_root ?= $(obj)
include include/config/auto.conf
include scripts/Kbuild.include
@@ -27,7 +27,7 @@
quiet_cmd_dtb_install = INSTALL $<
cmd_dtb_install = mkdir -p $(2); cp $< $(2)
-install-dir = $(patsubst $(dtbinst-root)%,$(INSTALL_DTBS_PATH)%,$(obj))
+install-dir = $(patsubst $(dtbinst_root)%,$(INSTALL_DTBS_PATH)%,$(obj))
$(dtbinst-files): %.dtb: $(obj)/%.dtb
$(call cmd,dtb_install,$(install-dir))
diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
index ec10d93..0372b33 100644
--- a/scripts/basic/Makefile
+++ b/scripts/basic/Makefile
@@ -1,5 +1,5 @@
###
-# Makefile.basic lists the most basic programs used during the build process.
+# This Makefile lists the most basic programs used during the build process.
# The programs listed herein are what are needed to do the basic stuff,
# such as fix file dependencies.
# This initial step is needed to avoid files to be recompiled
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index fff818b..bbf62cb 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -25,7 +25,7 @@
*
* So we play the same trick that "mkdep" played before. We replace
* the dependency on autoconf.h by a dependency on every config
- * option which is mentioned in any of the listed prequisites.
+ * option which is mentioned in any of the listed prerequisites.
*
* kconfig populates a tree in include/config/ with an empty file
* for each config symbol and when the configuration is updated
@@ -34,7 +34,7 @@
* the config symbols are rebuilt.
*
* So if the user changes his CONFIG_HIS_DRIVER option, only the objects
- * which depend on "include/linux/config/his/driver.h" will be rebuilt,
+ * which depend on "include/config/his/driver.h" will be rebuilt,
* so most likely only his driver ;-)
*
* The idea above dates, by the way, back to Michael E Chastain, AFAIK.
@@ -75,7 +75,7 @@
* and then basically copies the .<target>.d file to stdout, in the
* process filtering out the dependency on autoconf.h and adding
* dependencies on include/config/my/option.h for every
- * CONFIG_MY_OPTION encountered in any of the prequisites.
+ * CONFIG_MY_OPTION encountered in any of the prerequisites.
*
* It will also filter out all the dependencies on *.ver. We need
* to make sure that the generated version checksum are globally up
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 4b72b53..62ea8f8 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -873,7 +873,7 @@
while (size--)
reg = (reg << 32) | fdt32_to_cpu(*(cells++));
- snprintf(unit_addr, sizeof(unit_addr), "%zx", reg);
+ snprintf(unit_addr, sizeof(unit_addr), "%llx", (unsigned long long)reg);
if (!streq(unitname, unit_addr))
FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"",
node->fullpath, unit_addr);
diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index fb86f38..f9a3d8d 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff
@@ -321,7 +321,7 @@
cpp_flags="\
-nostdinc \
-I${srctree}/arch/${ARCH}/boot/dts \
- -I${srctree}/arch/${ARCH}/boot/dts/include \
+ -I${srctree}/scripts/dtc/include-prefixes \
-I${srctree}/drivers/of/testcase-data \
-undef -D__DTS__"
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 3bd5f4f..bc44320 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -18,6 +18,7 @@
use Getopt::Long qw(:config no_auto_abbrev);
use Cwd;
+use File::Find;
my $cur_path = fastgetcwd() . '/';
my $lk_path = "./";
@@ -58,6 +59,7 @@
my $pattern_depth = 0;
my $version = 0;
my $help = 0;
+my $find_maintainer_files = 0;
my $vcs_used = 0;
@@ -249,6 +251,7 @@
'sections!' => \$sections,
'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename,
+ 'find-maintainer-files' => \$find_maintainer_files,
'v|version' => \$version,
'h|help|usage' => \$help,
)) {
@@ -307,36 +310,74 @@
my @typevalue = ();
my %keyword_hash;
+my @mfiles = ();
-open (my $maint, '<', "${lk_path}MAINTAINERS")
- or die "$P: Can't open MAINTAINERS: $!\n";
-while (<$maint>) {
- my $line = $_;
+sub read_maintainer_file {
+ my ($file) = @_;
- if ($line =~ m/^([A-Z]):\s*(.*)/) {
- my $type = $1;
- my $value = $2;
+ open (my $maint, '<', "$file")
+ or die "$P: Can't open MAINTAINERS file '$file': $!\n";
+ while (<$maint>) {
+ my $line = $_;
- ##Filename pattern matching
- if ($type eq "F" || $type eq "X") {
- $value =~ s@\.@\\\.@g; ##Convert . to \.
- $value =~ s/\*/\.\*/g; ##Convert * to .*
- $value =~ s/\?/\./g; ##Convert ? to .
- ##if pattern is a directory and it lacks a trailing slash, add one
- if ((-d $value)) {
- $value =~ s@([^/])$@$1/@;
+ if ($line =~ m/^([A-Z]):\s*(.*)/) {
+ my $type = $1;
+ my $value = $2;
+
+ ##Filename pattern matching
+ if ($type eq "F" || $type eq "X") {
+ $value =~ s@\.@\\\.@g; ##Convert . to \.
+ $value =~ s/\*/\.\*/g; ##Convert * to .*
+ $value =~ s/\?/\./g; ##Convert ? to .
+ ##if pattern is a directory and it lacks a trailing slash, add one
+ if ((-d $value)) {
+ $value =~ s@([^/])$@$1/@;
+ }
+ } elsif ($type eq "K") {
+ $keyword_hash{@typevalue} = $value;
}
- } elsif ($type eq "K") {
- $keyword_hash{@typevalue} = $value;
+ push(@typevalue, "$type:$value");
+ } elsif (!(/^\s*$/ || /^\s*\#/)) {
+ $line =~ s/\n$//g;
+ push(@typevalue, $line);
}
- push(@typevalue, "$type:$value");
- } elsif (!/^(\s)*$/) {
- $line =~ s/\n$//g;
- push(@typevalue, $line);
+ }
+ close($maint);
+}
+
+sub find_is_maintainer_file {
+ my ($file) = $_;
+ return if ($file !~ m@/MAINTAINERS$@);
+ $file = $File::Find::name;
+ return if (! -f $file);
+ push(@mfiles, $file);
+}
+
+sub find_ignore_git {
+ return grep { $_ !~ /^\.git$/; } @_;
+}
+
+if (-d "${lk_path}MAINTAINERS") {
+ opendir(DIR, "${lk_path}MAINTAINERS") or die $!;
+ my @files = readdir(DIR);
+ closedir(DIR);
+ foreach my $file (@files) {
+ push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./);
}
}
-close($maint);
+if ($find_maintainer_files) {
+ find( { wanted => \&find_is_maintainer_file,
+ preprocess => \&find_ignore_git,
+ no_chdir => 1,
+ }, "${lk_path}");
+} else {
+ push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
+}
+
+foreach my $file (@mfiles) {
+ read_maintainer_file("$file");
+}
#
# Read mail address map
@@ -873,7 +914,7 @@
if ( (-f "${lk_path}COPYING")
&& (-f "${lk_path}CREDITS")
&& (-f "${lk_path}Kbuild")
- && (-f "${lk_path}MAINTAINERS")
+ && (-e "${lk_path}MAINTAINERS")
&& (-f "${lk_path}Makefile")
&& (-f "${lk_path}README")
&& (-d "${lk_path}Documentation")
diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
new file mode 100644
index 0000000..e40b53d
--- /dev/null
+++ b/scripts/parse-maintainers.pl
@@ -0,0 +1,128 @@
+#!/usr/bin/perl -w
+
+use strict;
+
+my $P = $0;
+
+# sort comparison functions
+sub by_category($$) {
+ my ($a, $b) = @_;
+
+ $a = uc $a;
+ $b = uc $b;
+
+ # This always sorts last
+ $a =~ s/THE REST/ZZZZZZ/g;
+ $b =~ s/THE REST/ZZZZZZ/g;
+
+ return $a cmp $b;
+}
+
+sub by_pattern($$) {
+ my ($a, $b) = @_;
+ my $preferred_order = 'MRPLSWTQBCFXNK';
+
+ my $a1 = uc(substr($a, 0, 1));
+ my $b1 = uc(substr($b, 0, 1));
+
+ my $a_index = index($preferred_order, $a1);
+ my $b_index = index($preferred_order, $b1);
+
+ $a_index = 1000 if ($a_index == -1);
+ $b_index = 1000 if ($b_index == -1);
+
+ if (($a1 =~ /^F$/ && $b1 =~ /^F$/) ||
+ ($a1 =~ /^X$/ && $b1 =~ /^X$/)) {
+ return $a cmp $b;
+ }
+
+ if ($a_index < $b_index) {
+ return -1;
+ } elsif ($a_index == $b_index) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+sub trim {
+ my $s = shift;
+ $s =~ s/\s+$//;
+ $s =~ s/^\s+//;
+ return $s;
+}
+
+sub alpha_output {
+ my ($hashref, $filename) = (@_);
+
+ open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
+ foreach my $key (sort by_category keys %$hashref) {
+ if ($key eq " ") {
+ chomp $$hashref{$key};
+ print $file $$hashref{$key};
+ } else {
+ print $file "\n" . $key . "\n";
+ foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
+ print $file ($pattern . "\n");
+ }
+ }
+ }
+ close($file);
+}
+
+sub file_input {
+ my ($hashref, $filename) = (@_);
+
+ my $lastline = "";
+ my $case = " ";
+ $$hashref{$case} = "";
+
+ open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n";
+
+ while (<$file>) {
+ my $line = $_;
+
+ # Pattern line?
+ if ($line =~ m/^([A-Z]):\s*(.*)/) {
+ $line = $1 . ":\t" . trim($2) . "\n";
+ if ($lastline eq "") {
+ $$hashref{$case} = $$hashref{$case} . $line;
+ next;
+ }
+ $case = trim($lastline);
+ exists $$hashref{$case} and die "Header '$case' already exists";
+ $$hashref{$case} = $line;
+ $lastline = "";
+ next;
+ }
+
+ if ($case eq " ") {
+ $$hashref{$case} = $$hashref{$case} . $lastline;
+ $lastline = $line;
+ next;
+ }
+ trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
+ $lastline = $line;
+ }
+ $$hashref{$case} = $$hashref{$case} . $lastline;
+ close($file);
+}
+
+my %hash;
+my %new_hash;
+
+file_input(\%hash, "MAINTAINERS");
+
+foreach my $type (@ARGV) {
+ foreach my $key (keys %hash) {
+ if ($key =~ /$type/ || $hash{$key} =~ /$type/) {
+ $new_hash{$key} = $hash{$key};
+ delete $hash{$key};
+ }
+ }
+}
+
+alpha_output(\%hash, "MAINTAINERS.new");
+alpha_output(\%new_hash, "SECTION.new");
+
+exit(0);
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 91bc621..1c02c65 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -198,7 +198,7 @@
void *callout_info;
size_t callout_len;
pid_t pid;
-};
+} __randomize_layout;
extern struct key_type key_type_request_key_auth;
extern struct key *request_key_auth_new(struct key *target,
diff --git a/sound/core/control.c b/sound/core/control.c
index 3c6be14..4525e12 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1137,7 +1137,7 @@
mutex_lock(&ue->card->user_ctl_lock);
change = ue->tlv_data_size != size;
if (!change)
- change = memcmp(ue->tlv_data, new_data, size);
+ change = memcmp(ue->tlv_data, new_data, size) != 0;
kfree(ue->tlv_data);
ue->tlv_data = new_data;
ue->tlv_data_size = size;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 22995cb..cf0433f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3064,6 +3064,7 @@
{
snd_pcm_uframes_t *frames = arg;
snd_pcm_sframes_t result;
+ int err;
switch (cmd) {
case SNDRV_PCM_IOCTL_FORWARD:
@@ -3083,7 +3084,10 @@
case SNDRV_PCM_IOCTL_START:
return snd_pcm_start_lock_irq(substream);
case SNDRV_PCM_IOCTL_DRAIN:
- return snd_pcm_drain(substream, NULL);
+ snd_power_lock(substream->pcm->card);
+ err = snd_pcm_drain(substream, NULL);
+ snd_power_unlock(substream->pcm->card);
+ return err;
case SNDRV_PCM_IOCTL_DROP:
return snd_pcm_drop(substream);
case SNDRV_PCM_IOCTL_DELAY:
diff --git a/sound/core/seq/Kconfig b/sound/core/seq/Kconfig
index a536760..45c1336 100644
--- a/sound/core/seq/Kconfig
+++ b/sound/core/seq/Kconfig
@@ -47,10 +47,10 @@
timer.
config SND_SEQ_MIDI_EVENT
- def_tristate SND_RAWMIDI
+ tristate
config SND_SEQ_MIDI
- tristate
+ def_tristate SND_RAWMIDI
select SND_SEQ_MIDI_EVENT
config SND_SEQ_MIDI_EMUL
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 272c55f..ea2d0ae 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1502,16 +1502,11 @@
static int snd_seq_ioctl_create_queue(struct snd_seq_client *client, void *arg)
{
struct snd_seq_queue_info *info = arg;
- int result;
struct snd_seq_queue *q;
- result = snd_seq_queue_alloc(client->number, info->locked, info->flags);
- if (result < 0)
- return result;
-
- q = queueptr(result);
- if (q == NULL)
- return -EINVAL;
+ q = snd_seq_queue_alloc(client->number, info->locked, info->flags);
+ if (IS_ERR(q))
+ return PTR_ERR(q);
info->queue = q->queue;
info->locked = q->locked;
@@ -1521,7 +1516,7 @@
if (!info->name[0])
snprintf(info->name, sizeof(info->name), "Queue-%d", q->queue);
strlcpy(q->name, info->name, sizeof(q->name));
- queuefree(q);
+ snd_use_lock_free(&q->use_lock);
return 0;
}
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index 450c518..79e0c56 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -184,22 +184,26 @@
static void queue_use(struct snd_seq_queue *queue, int client, int use);
/* allocate a new queue -
- * return queue index value or negative value for error
+ * return pointer to new queue or ERR_PTR(-errno) for error
+ * The new queue's use_lock is set to 1. It is the caller's responsibility to
+ * call snd_use_lock_free(&q->use_lock).
*/
-int snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
+struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int info_flags)
{
struct snd_seq_queue *q;
q = queue_new(client, locked);
if (q == NULL)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
q->info_flags = info_flags;
queue_use(q, client, 1);
+ snd_use_lock_use(&q->use_lock);
if (queue_list_add(q) < 0) {
+ snd_use_lock_free(&q->use_lock);
queue_delete(q);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
- return q->queue;
+ return q;
}
/* delete a queue - queue must be owned by the client */
diff --git a/sound/core/seq/seq_queue.h b/sound/core/seq/seq_queue.h
index 30c8111..7190934 100644
--- a/sound/core/seq/seq_queue.h
+++ b/sound/core/seq/seq_queue.h
@@ -71,7 +71,7 @@
/* create new queue (constructor) */
-int snd_seq_queue_alloc(int client, int locked, unsigned int flags);
+struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int flags);
/* delete queue (destructor) */
int snd_seq_queue_delete(int client, int queueid);
diff --git a/sound/firewire/iso-resources.c b/sound/firewire/iso-resources.c
index f0e4d50..066b5df 100644
--- a/sound/firewire/iso-resources.c
+++ b/sound/firewire/iso-resources.c
@@ -210,9 +210,14 @@
*/
void fw_iso_resources_free(struct fw_iso_resources *r)
{
- struct fw_card *card = fw_parent_device(r->unit)->card;
+ struct fw_card *card;
int bandwidth, channel;
+ /* Not initialized. */
+ if (r->unit == NULL)
+ return;
+ card = fw_parent_device(r->unit)->card;
+
mutex_lock(&r->mutex);
if (r->allocated) {
diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c
index bf779cf..59a2704 100644
--- a/sound/firewire/motu/motu.c
+++ b/sound/firewire/motu/motu.c
@@ -128,6 +128,7 @@
return;
error:
snd_motu_transaction_unregister(motu);
+ snd_motu_stream_destroy_duplex(motu);
snd_card_free(motu->card);
dev_info(&motu->unit->device,
"Sound card registration failed: %d\n", err);
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index dc58595..a2b56b1 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -698,10 +698,18 @@
{
struct snd_emu10k1_fx8010_control_old_gpr __user *octl;
- if (emu->support_tlv)
- return copy_from_user(gctl, &_gctl[idx], sizeof(*gctl));
+ if (emu->support_tlv) {
+ if (in_kernel)
+ memcpy(gctl, (void *)&_gctl[idx], sizeof(*gctl));
+ else if (copy_from_user(gctl, &_gctl[idx], sizeof(*gctl)))
+ return -EFAULT;
+ return 0;
+ }
+
octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)_gctl;
- if (copy_from_user(gctl, &octl[idx], sizeof(*octl)))
+ if (in_kernel)
+ memcpy(gctl, (void *)&octl[idx], sizeof(*octl));
+ else if (copy_from_user(gctl, &octl[idx], sizeof(*octl)))
return -EFAULT;
gctl->tlv = NULL;
return 0;
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index 2e402ec..8e6b04b 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -1235,8 +1235,6 @@
}
}
- snd_fm801_chip_init(chip);
-
if ((chip->tea575x_tuner & TUNER_ONLY) == 0) {
if (devm_request_irq(&pci->dev, pci->irq, snd_fm801_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
@@ -1248,6 +1246,8 @@
pci_set_master(pci);
}
+ snd_fm801_chip_init(chip);
+
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_fm801_free(chip);
return err;
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 63bc894..a81aacf 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -933,6 +933,7 @@
SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
SND_PCI_QUIRK(0x103c, 0x814f, "HP ZBook 15u G3", CXT_FIXUP_MUTE_LED_GPIO),
+ SND_PCI_QUIRK(0x103c, 0x822e, "HP ProBook 440 G4", CXT_FIXUP_MUTE_LED_GPIO),
SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
@@ -946,6 +947,7 @@
SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
+ SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004),
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index d549f35..53f9311 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -3733,11 +3733,15 @@
HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi),
HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi),
HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi),
+HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x),
HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x),
+HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi),
@@ -3764,17 +3768,40 @@
HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi),
+HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi),
HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch),
+HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch),
HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi),
HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi),
HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 45d58fc..217bb58 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2296,6 +2296,7 @@
SND_PCI_QUIRK(0x1043, 0x8691, "ASUS ROG Ranger VIII", ALC882_FIXUP_GPIO3),
SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT),
SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP),
+ SND_PCI_QUIRK(0x104d, 0x9060, "Sony Vaio VPCL14M1R", ALC882_FIXUP_NO_PRIMARY_HP),
SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP),
SND_PCI_QUIRK(0x104d, 0x9044, "Sony VAIO AiO", ALC882_FIXUP_NO_PRIMARY_HP),
@@ -3838,6 +3839,17 @@
}
}
+static struct coef_fw alc225_pre_hsmode[] = {
+ UPDATE_COEF(0x4a, 1<<8, 0),
+ UPDATE_COEFEX(0x57, 0x05, 1<<14, 0),
+ UPDATE_COEF(0x63, 3<<14, 3<<14),
+ UPDATE_COEF(0x4a, 3<<4, 2<<4),
+ UPDATE_COEF(0x4a, 3<<10, 3<<10),
+ UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10),
+ UPDATE_COEF(0x4a, 3<<10, 0),
+ {}
+};
+
static void alc_headset_mode_unplugged(struct hda_codec *codec)
{
static struct coef_fw coef0255[] = {
@@ -3873,6 +3885,10 @@
UPDATE_COEF(0x67, 0x2000, 0),
{}
};
+ static struct coef_fw coef0298[] = {
+ UPDATE_COEF(0x19, 0x1300, 0x0300),
+ {}
+ };
static struct coef_fw coef0292[] = {
WRITE_COEF(0x76, 0x000e),
WRITE_COEF(0x6c, 0x2400),
@@ -3895,13 +3911,7 @@
{}
};
static struct coef_fw coef0225[] = {
- UPDATE_COEF(0x4a, 1<<8, 0),
- UPDATE_COEFEX(0x57, 0x05, 1<<14, 0),
- UPDATE_COEF(0x63, 3<<14, 3<<14),
- UPDATE_COEF(0x4a, 3<<4, 2<<4),
- UPDATE_COEF(0x4a, 3<<10, 3<<10),
- UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10),
- UPDATE_COEF(0x4a, 3<<10, 0),
+ UPDATE_COEF(0x63, 3<<14, 0),
{}
};
static struct coef_fw coef0274[] = {
@@ -3935,7 +3945,10 @@
break;
case 0x10ec0286:
case 0x10ec0288:
+ alc_process_coef_fw(codec, coef0288);
+ break;
case 0x10ec0298:
+ alc_process_coef_fw(codec, coef0298);
alc_process_coef_fw(codec, coef0288);
break;
case 0x10ec0292:
@@ -3976,6 +3989,7 @@
{}
};
static struct coef_fw coef0288[] = {
+ UPDATE_COEF(0x4f, 0x00c0, 0),
UPDATE_COEF(0x50, 0x2000, 0),
UPDATE_COEF(0x56, 0x0006, 0),
UPDATE_COEF(0x4f, 0xfcc0, 0xc400),
@@ -4039,7 +4053,6 @@
case 0x10ec0286:
case 0x10ec0288:
case 0x10ec0298:
- alc_update_coef_idx(codec, 0x4f, 0x000c, 0);
snd_hda_set_pin_ctl_cache(codec, hp_pin, 0);
alc_process_coef_fw(codec, coef0288);
snd_hda_set_pin_ctl_cache(codec, mic_pin, PIN_VREF50);
@@ -4072,6 +4085,7 @@
case 0x10ec0225:
case 0x10ec0295:
case 0x10ec0299:
+ alc_process_coef_fw(codec, alc225_pre_hsmode);
alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x31<<10);
snd_hda_set_pin_ctl_cache(codec, hp_pin, 0);
alc_process_coef_fw(codec, coef0225);
@@ -4084,7 +4098,12 @@
static void alc_headset_mode_default(struct hda_codec *codec)
{
static struct coef_fw coef0225[] = {
- UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10),
+ UPDATE_COEF(0x45, 0x3f<<10, 0x30<<10),
+ UPDATE_COEF(0x45, 0x3f<<10, 0x31<<10),
+ UPDATE_COEF(0x49, 3<<8, 0<<8),
+ UPDATE_COEF(0x4a, 3<<4, 3<<4),
+ UPDATE_COEF(0x63, 3<<14, 0),
+ UPDATE_COEF(0x67, 0xf000, 0x3000),
{}
};
static struct coef_fw coef0255[] = {
@@ -4138,6 +4157,7 @@
case 0x10ec0225:
case 0x10ec0295:
case 0x10ec0299:
+ alc_process_coef_fw(codec, alc225_pre_hsmode);
alc_process_coef_fw(codec, coef0225);
break;
case 0x10ec0255:
@@ -4177,6 +4197,8 @@
/* Iphone type */
static void alc_headset_mode_ctia(struct hda_codec *codec)
{
+ int val;
+
static struct coef_fw coef0255[] = {
WRITE_COEF(0x45, 0xd489), /* Set to CTIA type */
WRITE_COEF(0x1b, 0x0c2b),
@@ -4219,11 +4241,14 @@
WRITE_COEF(0xc3, 0x0000),
{}
};
- static struct coef_fw coef0225[] = {
+ static struct coef_fw coef0225_1[] = {
UPDATE_COEF(0x45, 0x3f<<10, 0x35<<10),
- UPDATE_COEF(0x49, 1<<8, 1<<8),
- UPDATE_COEF(0x4a, 7<<6, 7<<6),
- UPDATE_COEF(0x4a, 3<<4, 3<<4),
+ UPDATE_COEF(0x63, 3<<14, 2<<14),
+ {}
+ };
+ static struct coef_fw coef0225_2[] = {
+ UPDATE_COEF(0x45, 0x3f<<10, 0x35<<10),
+ UPDATE_COEF(0x63, 3<<14, 1<<14),
{}
};
@@ -4244,8 +4269,17 @@
alc_process_coef_fw(codec, coef0233);
break;
case 0x10ec0298:
- alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0020);/* Headset output enable */
- /* ALC298 jack type setting is the same with ALC286/ALC288 */
+ val = alc_read_coef_idx(codec, 0x50);
+ if (val & (1 << 12)) {
+ alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0020);
+ alc_update_coef_idx(codec, 0x4f, 0xfcc0, 0xd400);
+ msleep(300);
+ } else {
+ alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0010);
+ alc_update_coef_idx(codec, 0x4f, 0xfcc0, 0xd400);
+ msleep(300);
+ }
+ break;
case 0x10ec0286:
case 0x10ec0288:
alc_update_coef_idx(codec, 0x4f, 0xfcc0, 0xd400);
@@ -4264,7 +4298,11 @@
case 0x10ec0225:
case 0x10ec0295:
case 0x10ec0299:
- alc_process_coef_fw(codec, coef0225);
+ val = alc_read_coef_idx(codec, 0x45);
+ if (val & (1 << 9))
+ alc_process_coef_fw(codec, coef0225_2);
+ else
+ alc_process_coef_fw(codec, coef0225_1);
break;
case 0x10ec0867:
alc_update_coefex_idx(codec, 0x57, 0x5, 1<<14, 0);
@@ -4320,9 +4358,7 @@
};
static struct coef_fw coef0225[] = {
UPDATE_COEF(0x45, 0x3f<<10, 0x39<<10),
- UPDATE_COEF(0x49, 1<<8, 1<<8),
- UPDATE_COEF(0x4a, 7<<6, 7<<6),
- UPDATE_COEF(0x4a, 3<<4, 3<<4),
+ UPDATE_COEF(0x63, 3<<14, 2<<14),
{}
};
@@ -4344,7 +4380,9 @@
break;
case 0x10ec0298:
alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0010);/* Headset output enable */
- /* ALC298 jack type setting is the same with ALC286/ALC288 */
+ alc_update_coef_idx(codec, 0x4f, 0xfcc0, 0xe400);
+ msleep(300);
+ break;
case 0x10ec0286:
case 0x10ec0288:
alc_update_coef_idx(codec, 0x4f, 0xfcc0, 0xe400);
@@ -4384,6 +4422,14 @@
UPDATE_COEF(0x4f, 0xfcc0, 0xd400), /* Check Type */
{}
};
+ static struct coef_fw coef0298[] = {
+ UPDATE_COEF(0x50, 0x2000, 0x2000),
+ UPDATE_COEF(0x56, 0x0006, 0x0006),
+ UPDATE_COEF(0x66, 0x0008, 0),
+ UPDATE_COEF(0x67, 0x2000, 0),
+ UPDATE_COEF(0x19, 0x1300, 0x1300),
+ {}
+ };
static struct coef_fw coef0293[] = {
UPDATE_COEF(0x4a, 0x000f, 0x0008), /* Combo Jack auto detect */
WRITE_COEF(0x45, 0xD429), /* Set to ctia type */
@@ -4396,11 +4442,6 @@
WRITE_COEF(0xc3, 0x0c00),
{}
};
- static struct coef_fw coef0225[] = {
- UPDATE_COEF(0x45, 0x3f<<10, 0x34<<10),
- UPDATE_COEF(0x49, 1<<8, 1<<8),
- {}
- };
static struct coef_fw coef0274[] = {
UPDATE_COEF(0x4a, 0x0010, 0),
UPDATE_COEF(0x4a, 0x8000, 0),
@@ -4433,8 +4474,34 @@
is_ctia = (val & 0x0070) == 0x0070;
break;
case 0x10ec0298:
- alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0020); /* Headset output enable */
- /* ALC298 check jack type is the same with ALC286/ALC288 */
+ snd_hda_codec_write(codec, 0x21, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+ msleep(100);
+ snd_hda_codec_write(codec, 0x21, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
+ msleep(200);
+
+ val = alc_read_coef_idx(codec, 0x50);
+ if (val & (1 << 12)) {
+ alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0020);
+ alc_process_coef_fw(codec, coef0288);
+ msleep(350);
+ val = alc_read_coef_idx(codec, 0x50);
+ is_ctia = (val & 0x0070) == 0x0070;
+ } else {
+ alc_update_coef_idx(codec, 0x8e, 0x0070, 0x0010);
+ alc_process_coef_fw(codec, coef0288);
+ msleep(350);
+ val = alc_read_coef_idx(codec, 0x50);
+ is_ctia = (val & 0x0070) == 0x0070;
+ }
+ alc_process_coef_fw(codec, coef0298);
+ snd_hda_codec_write(codec, 0x21, 0,
+ AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP);
+ msleep(75);
+ snd_hda_codec_write(codec, 0x21, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+ break;
case 0x10ec0286:
case 0x10ec0288:
alc_process_coef_fw(codec, coef0288);
@@ -4463,10 +4530,25 @@
case 0x10ec0225:
case 0x10ec0295:
case 0x10ec0299:
- alc_process_coef_fw(codec, coef0225);
- msleep(800);
- val = alc_read_coef_idx(codec, 0x46);
- is_ctia = (val & 0x00f0) == 0x00f0;
+ alc_process_coef_fw(codec, alc225_pre_hsmode);
+ alc_update_coef_idx(codec, 0x67, 0xf000, 0x1000);
+ val = alc_read_coef_idx(codec, 0x45);
+ if (val & (1 << 9)) {
+ alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x34<<10);
+ alc_update_coef_idx(codec, 0x49, 3<<8, 2<<8);
+ msleep(800);
+ val = alc_read_coef_idx(codec, 0x46);
+ is_ctia = (val & 0x00f0) == 0x00f0;
+ } else {
+ alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x34<<10);
+ alc_update_coef_idx(codec, 0x49, 3<<8, 1<<8);
+ msleep(800);
+ val = alc_read_coef_idx(codec, 0x46);
+ is_ctia = (val & 0x00f0) == 0x00f0;
+ }
+ alc_update_coef_idx(codec, 0x4a, 7<<6, 7<<6);
+ alc_update_coef_idx(codec, 0x4a, 3<<4, 3<<4);
+ alc_update_coef_idx(codec, 0x67, 0xf000, 0x3000);
break;
case 0x10ec0867:
is_ctia = true;
@@ -6565,7 +6647,6 @@
SND_HDA_PIN_QUIRK(0x10ec0299, 0x1028, "Dell", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
ALC225_STANDARD_PINS,
{0x12, 0xb7a60130},
- {0x13, 0xb8a61140},
{0x17, 0x90170110}),
{}
};
@@ -6724,6 +6805,7 @@
case 0x10ec0225:
case 0x10ec0295:
spec->codec_variant = ALC269_TYPE_ALC225;
+ spec->gen.mixer_nid = 0; /* no loopback on ALC225 ALC295 */
break;
case 0x10ec0299:
spec->codec_variant = ALC269_TYPE_ALC225;
diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
index a788029..5710fd4 100644
--- a/sound/soc/codecs/msm8916-wcd-analog.c
+++ b/sound/soc/codecs/msm8916-wcd-analog.c
@@ -36,7 +36,7 @@
#define CDC_D_CDC_DIG_CLK_CTL (0xf04A)
#define DIG_CLK_CTL_RXD1_CLK_EN BIT(0)
#define DIG_CLK_CTL_RXD2_CLK_EN BIT(1)
-#define DIG_CLK_CTL_RXD3_CLK_EN BIT(3)
+#define DIG_CLK_CTL_RXD3_CLK_EN BIT(2)
#define DIG_CLK_CTL_TXD_CLK_EN BIT(4)
#define DIG_CLK_CTL_NCP_CLK_EN_MASK BIT(6)
#define DIG_CLK_CTL_NCP_CLK_EN BIT(6)
diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c
index a33202a..fa550e3 100644
--- a/sound/soc/codecs/rt5663.c
+++ b/sound/soc/codecs/rt5663.c
@@ -466,7 +466,7 @@
{ 0x0006, 0x1000 },
{ 0x000a, 0x0000 },
{ 0x0010, 0x000f },
- { 0x0015, 0x42c1 },
+ { 0x0015, 0x42f1 },
{ 0x0016, 0x0000 },
{ 0x0018, 0x000b },
{ 0x0019, 0xafaf },
@@ -509,7 +509,7 @@
{ 0x008a, 0x0000 },
{ 0x008b, 0x0000 },
{ 0x008c, 0x0003 },
- { 0x008e, 0x0004 },
+ { 0x008e, 0x0008 },
{ 0x008f, 0x1000 },
{ 0x0090, 0x0646 },
{ 0x0091, 0x0e3e },
@@ -520,7 +520,7 @@
{ 0x0098, 0x0000 },
{ 0x009a, 0x0000 },
{ 0x009f, 0x0000 },
- { 0x00ae, 0x2000 },
+ { 0x00ae, 0x6000 },
{ 0x00af, 0x0000 },
{ 0x00b6, 0x0000 },
{ 0x00b7, 0x0000 },
@@ -538,7 +538,7 @@
{ 0x00d9, 0x08f9 },
{ 0x00db, 0x0008 },
{ 0x00dc, 0x00c0 },
- { 0x00dd, 0x6724 },
+ { 0x00dd, 0x6729 },
{ 0x00de, 0x3131 },
{ 0x00df, 0x0008 },
{ 0x00e0, 0x4000 },
@@ -578,7 +578,7 @@
{ 0x0116, 0x0000 },
{ 0x0117, 0x0f00 },
{ 0x0118, 0x0006 },
- { 0x0125, 0x2224 },
+ { 0x0125, 0x2424 },
{ 0x0126, 0x5550 },
{ 0x0127, 0x0400 },
{ 0x0128, 0x7711 },
@@ -596,8 +596,8 @@
{ 0x0145, 0x0002 },
{ 0x0146, 0x0000 },
{ 0x0160, 0x0e80 },
- { 0x0161, 0x0020 },
- { 0x0162, 0x0080 },
+ { 0x0161, 0x0080 },
+ { 0x0162, 0x0200 },
{ 0x0163, 0x0800 },
{ 0x0164, 0x0000 },
{ 0x0165, 0x0000 },
@@ -676,8 +676,8 @@
{ 0x0251, 0x0000 },
{ 0x0252, 0x028a },
{ 0x02fa, 0x0000 },
- { 0x02fb, 0x0000 },
- { 0x02fc, 0x0000 },
+ { 0x02fb, 0x00a4 },
+ { 0x02fc, 0x0300 },
{ 0x0300, 0x0000 },
{ 0x03d0, 0x0000 },
{ 0x03d1, 0x0000 },
diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c
index 370ed54d..e597c89 100644
--- a/sound/soc/codecs/rt5665.c
+++ b/sound/soc/codecs/rt5665.c
@@ -4368,12 +4368,12 @@
switch (dai->id) {
case RT5665_AIF2_1:
case RT5665_AIF2_2:
- snd_soc_update_bits(codec, RT5665_ADDA_CLK_1,
+ snd_soc_update_bits(codec, RT5665_ADDA_CLK_2,
RT5665_I2S_BCLK_MS2_MASK,
RT5665_I2S_BCLK_MS2_64);
break;
case RT5665_AIF3:
- snd_soc_update_bits(codec, RT5665_ADDA_CLK_1,
+ snd_soc_update_bits(codec, RT5665_ADDA_CLK_2,
RT5665_I2S_BCLK_MS3_MASK,
RT5665_I2S_BCLK_MS3_64);
break;
diff --git a/sound/soc/codecs/rt5665.h b/sound/soc/codecs/rt5665.h
index 1db5c6a..d95249c 100644
--- a/sound/soc/codecs/rt5665.h
+++ b/sound/soc/codecs/rt5665.h
@@ -1692,8 +1692,8 @@
#define RT5665_GP6_PIN_MASK (0x3 << 5)
#define RT5665_GP6_PIN_SFT 5
#define RT5665_GP6_PIN_GPIO6 (0x0 << 5)
-#define RT5665_GP6_PIN_BCLK3 (0x0 << 5)
-#define RT5665_GP6_PIN_PDM_SCL (0x1 << 5)
+#define RT5665_GP6_PIN_BCLK3 (0x1 << 5)
+#define RT5665_GP6_PIN_PDM_SCL (0x2 << 5)
#define RT5665_GP7_PIN_MASK (0x3 << 3)
#define RT5665_GP7_PIN_SFT 3
#define RT5665_GP7_PIN_GPIO7 (0x0 << 3)
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 0ec7985..054b613 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -567,7 +567,7 @@
rt5670->jack = jack;
rt5670->hp_gpio.gpiod_dev = codec->dev;
- rt5670->hp_gpio.name = "headphone detect";
+ rt5670->hp_gpio.name = "headset";
rt5670->hp_gpio.report = SND_JACK_HEADSET |
SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2;
rt5670->hp_gpio.debounce_time = 150;
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 36e530a..6f62927 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -5021,6 +5021,7 @@
static const struct i2c_device_id rt5677_i2c_id[] = {
{ "rt5677", RT5677 },
{ "rt5676", RT5676 },
+ { "RT5677CE:00", RT5677 },
{ }
};
MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id);
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 8f6814c..80f6d1d 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -409,7 +409,7 @@
static int avc_get_threshold(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
int db, i;
u16 reg = snd_soc_read(codec, SGTL5000_DAP_AVC_THRESHOLD);
@@ -442,7 +442,7 @@
static int avc_put_threshold(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
int db;
u16 reg;
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index b95132e..0679061 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -527,6 +527,10 @@
}
ssi->irq = platform_get_irq(pdev, 0);
+ if (ssi->irq < 0) {
+ dev_err(&pdev->dev, "Failed to get IRQ: %d\n", ssi->irq);
+ return ssi->irq;
+ }
ssi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(ssi->clk)) {
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 105ec3a..de2550c 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -224,9 +224,11 @@
of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
ret = asoc_graph_card_dai_link_of(it.node, priv, idx++);
- of_node_put(it.node);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(it.node);
+
return ret;
+ }
}
return asoc_simple_card_parse_card_name(card, NULL);
@@ -239,10 +241,8 @@
int count = 0;
int rc;
- of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
+ of_for_each_phandle(&it, rc, node, "dais", NULL, 0)
count++;
- of_node_put(it.node);
- }
return count;
}
diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c
index dcd2df3..758ac06 100644
--- a/sound/soc/generic/audio-graph-scu-card.c
+++ b/sound/soc/generic/audio-graph-scu-card.c
@@ -215,7 +215,6 @@
codec_ep = of_graph_get_remote_endpoint(cpu_ep);
rcpu_ep = of_graph_get_remote_endpoint(codec_ep);
- of_node_put(cpu_port);
of_node_put(cpu_ep);
of_node_put(codec_ep);
of_node_put(rcpu_ep);
@@ -232,8 +231,10 @@
ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep,
NULL, &daifmt);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(cpu_port);
goto parse_of_err;
+ }
}
dai_idx = 0;
@@ -250,7 +251,6 @@
codec_ep = of_graph_get_remote_endpoint(cpu_ep);
codec_port = of_graph_get_port_parent(codec_ep);
- of_node_put(cpu_port);
of_node_put(cpu_ep);
of_node_put(codec_ep);
of_node_put(codec_port);
@@ -266,13 +266,17 @@
/* Back-End (= Codec) */
ret = asoc_graph_card_dai_link_of(codec_ep, priv, daifmt, dai_idx++, 0);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(cpu_port);
goto parse_of_err;
+ }
} else {
/* Front-End (= CPU) */
ret = asoc_graph_card_dai_link_of(cpu_ep, priv, daifmt, dai_idx++, 1);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(cpu_port);
goto parse_of_err;
+ }
}
}
}
@@ -306,7 +310,6 @@
codec_ep = of_graph_get_remote_endpoint(cpu_ep);
codec_port = of_graph_get_port_parent(codec_ep);
- of_node_put(cpu_port);
of_node_put(cpu_ep);
of_node_put(codec_ep);
of_node_put(codec_port);
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 26d64fa..d72f7d5 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -132,7 +132,7 @@
/* Parse the card name from DT */
ret = snd_soc_of_parse_card_name(card, "label");
- if (ret < 0) {
+ if (ret < 0 || !card->name) {
char prop[128];
snprintf(prop, sizeof(prop), "%sname", prefix);
@@ -263,6 +263,9 @@
id = i;
i++;
}
+
+ of_node_put(node);
+
if (id < 0)
return -ENODEV;
@@ -282,11 +285,6 @@
if (!dai_name)
return 0;
- /*
- * of_graph_get_port_parent() will call
- * of_node_put(). So, call of_node_get() here
- */
- of_node_get(ep);
node = of_graph_get_port_parent(ep);
/* Get dai->name */
diff --git a/sound/soc/intel/boards/cht_bsw_rt5672.c b/sound/soc/intel/boards/cht_bsw_rt5672.c
index bc2a52d..f597d55 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5672.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5672.c
@@ -184,6 +184,13 @@
return 0;
}
+static const struct acpi_gpio_params headset_gpios = { 0, 0, false };
+
+static const struct acpi_gpio_mapping cht_rt5672_gpios[] = {
+ { "headset-gpios", &headset_gpios, 1 },
+ {},
+};
+
static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
{
int ret;
@@ -191,6 +198,9 @@
struct snd_soc_codec *codec = codec_dai->codec;
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
+ if (devm_acpi_dev_add_driver_gpios(codec->dev, cht_rt5672_gpios))
+ dev_warn(runtime->dev, "Unable to add GPIO mapping table\n");
+
/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0xF, 4, 24);
if (ret < 0) {
diff --git a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
index 3fe4a08..cfd89ca 100644
--- a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
+++ b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
@@ -319,7 +319,9 @@
int ret;
/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
- rt5663_sel_asrc_clk_src(codec_dai->codec, RT5663_DA_STEREO_FILTER, 1);
+ rt5663_sel_asrc_clk_src(codec_dai->codec,
+ RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
+ RT5663_CLK_SEL_I2S1_ASRC);
ret = snd_soc_dai_set_sysclk(codec_dai,
RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
@@ -349,19 +351,10 @@
return ret;
}
- ret = snd_soc_dai_set_pll(codec_dai, 0,
- RT5514_PLL1_S_BCLK, RT5514_AIF1_BCLK_FREQ,
- RT5514_AIF1_SYSCLK_FREQ);
- if (ret < 0) {
- dev_err(rtd->dev, "set bclk err: %d\n", ret);
- return ret;
- }
-
ret = snd_soc_dai_set_sysclk(codec_dai,
- RT5514_SCLK_S_PLL1, RT5514_AIF1_SYSCLK_FREQ,
- SND_SOC_CLOCK_IN);
+ RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
if (ret < 0) {
- dev_err(rtd->dev, "set sclk err: %d\n", ret);
+ dev_err(rtd->dev, "set sysclk err: %d\n", ret);
return ret;
}
}
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index eca8582..fb2f1f6 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -540,6 +540,14 @@
cpr_mconfig->gtw_cfg.dma_buffer_size =
mconfig->dma_buffer_size * dma_io_buf;
+ /* fallback to 2ms default value */
+ if (!cpr_mconfig->gtw_cfg.dma_buffer_size) {
+ if (mconfig->hw_conn_type == SKL_CONN_SOURCE)
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
+ else
+ cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
+ }
+
cpr_mconfig->cpr_feature_mask = 0;
cpr_mconfig->gtw_cfg.config_length = 0;
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 334917e..9e3f8c0 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -941,6 +941,7 @@
.machine_quirk = sst_acpi_codec_list,
.quirk_data = &bxt_codecs,
},
+ {}
};
static struct sst_acpi_mach sst_kbl_devdata[] = {
@@ -991,6 +992,7 @@
.drv_name = "glk_alc298s_i2s",
.fw_filename = "intel/dsp_fw_glk.bin",
},
+ {}
};
/* PCI IDs */
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index 960744e..484ab3c 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -1,6 +1,7 @@
config SND_PXA2XX_SOC
tristate "SoC Audio for the Intel PXA2xx chip"
depends on ARCH_PXA || COMPILE_TEST
+ depends on HAS_DMA
select SND_PXA2XX_LIB
help
Say Y or M if you want to add support for codecs attached to
diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c
index 0c0b00e..0834319 100644
--- a/sound/soc/samsung/odroid.c
+++ b/sound/soc/samsung/odroid.c
@@ -42,17 +42,17 @@
switch (params_rate(params)) {
case 32000:
case 64000:
- pll_freq = 131072000U;
+ pll_freq = 131072006U;
break;
case 44100:
case 88200:
case 176400:
- pll_freq = 180633600U;
+ pll_freq = 180633609U;
break;
case 48000:
case 96000:
case 192000:
- pll_freq = 196608000U;
+ pll_freq = 196608001U;
break;
default:
return -EINVAL;
diff --git a/sound/soc/sh/hac.c b/sound/soc/sh/hac.c
index 84c5103..624aaf5 100644
--- a/sound/soc/sh/hac.c
+++ b/sound/soc/sh/hac.c
@@ -315,6 +315,8 @@
static int hac_soc_platform_probe(struct platform_device *pdev)
{
+ int ret;
+
ret = snd_soc_set_ac97_ops(&hac_ac97_ops);
if (ret != 0)
return ret;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 921622a..13c875e 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3171,8 +3171,6 @@
component->remove = component->driver->remove;
component->suspend = component->driver->suspend;
component->resume = component->driver->resume;
- component->pcm_new = component->driver->pcm_new;
- component->pcm_free = component->driver->pcm_free;
dapm = &component->dapm;
dapm->dev = dev;
@@ -3360,25 +3358,6 @@
platform->driver->remove(platform);
}
-static int snd_soc_platform_drv_pcm_new(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_platform *platform = rtd->platform;
-
- if (platform->driver->pcm_new)
- return platform->driver->pcm_new(rtd);
- else
- return 0;
-}
-
-static void snd_soc_platform_drv_pcm_free(struct snd_pcm *pcm)
-{
- struct snd_soc_pcm_runtime *rtd = pcm->private_data;
- struct snd_soc_platform *platform = rtd->platform;
-
- if (platform->driver->pcm_free)
- platform->driver->pcm_free(pcm);
-}
-
/**
* snd_soc_add_platform - Add a platform to the ASoC core
* @dev: The parent device for the platform
@@ -3402,10 +3381,6 @@
platform->component.probe = snd_soc_platform_drv_probe;
if (platform_drv->remove)
platform->component.remove = snd_soc_platform_drv_remove;
- if (platform_drv->pcm_new)
- platform->component.pcm_new = snd_soc_platform_drv_pcm_new;
- if (platform_drv->pcm_free)
- platform->component.pcm_free = snd_soc_platform_drv_pcm_free;
#ifdef CONFIG_DEBUG_FS
platform->component.debugfs_prefix = "platform";
@@ -4113,6 +4088,8 @@
}
mutex_unlock(&client_mutex);
+ of_node_put(node);
+
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_get_dai_id);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index dcc5ece..7d3859e 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -181,6 +181,10 @@
dev_dbg(be->dev, "ASoC: BE %s event %d dir %d\n",
be->dai_link->name, event, dir);
+ if ((event == SND_SOC_DAPM_STREAM_STOP) &&
+ (be->dpcm[dir].users >= 1))
+ continue;
+
snd_soc_dapm_stream_event(be, dir, event);
}
@@ -2628,25 +2632,12 @@
return ret;
}
-static void soc_pcm_free(struct snd_pcm *pcm)
-{
- struct snd_soc_pcm_runtime *rtd = pcm->private_data;
- struct snd_soc_component *component;
-
- list_for_each_entry(component, &rtd->card->component_dev_list,
- card_list) {
- if (component->pcm_free)
- component->pcm_free(pcm);
- }
-}
-
/* create a new pcm */
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
{
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_component *component;
struct snd_pcm *pcm;
char new_name[64];
int ret = 0, playback = 0, capture = 0;
@@ -2756,18 +2747,17 @@
if (capture)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &rtd->ops);
- list_for_each_entry(component, &rtd->card->component_dev_list, card_list) {
- if (component->pcm_new) {
- ret = component->pcm_new(rtd);
- if (ret < 0) {
- dev_err(component->dev,
- "ASoC: pcm constructor failed: %d\n",
- ret);
- return ret;
- }
+ if (platform->driver->pcm_new) {
+ ret = platform->driver->pcm_new(rtd);
+ if (ret < 0) {
+ dev_err(platform->dev,
+ "ASoC: pcm constructor failed: %d\n",
+ ret);
+ return ret;
}
}
- pcm->private_free = soc_pcm_free;
+
+ pcm->private_free = platform->driver->pcm_free;
out:
dev_info(rtd->card->dev, "%s <-> %s mapping ok\n",
(rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name,
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c
index b50f68a..ba9fc09 100644
--- a/sound/soc/ux500/mop500.c
+++ b/sound/soc/ux500/mop500.c
@@ -33,6 +33,7 @@
.stream_name = "ab8500_0",
.cpu_dai_name = "ux500-msp-i2s.1",
.codec_dai_name = "ab8500-codec-dai.0",
+ .platform_name = "ux500-msp-i2s.1",
.codec_name = "ab8500-codec.0",
.init = mop500_ab8500_machine_init,
.ops = mop500_ab8500_ops,
@@ -42,6 +43,7 @@
.stream_name = "ab8500_1",
.cpu_dai_name = "ux500-msp-i2s.3",
.codec_dai_name = "ab8500-codec-dai.1",
+ .platform_name = "ux500-msp-i2s.3",
.codec_name = "ab8500-codec.0",
.init = NULL,
.ops = mop500_ab8500_ops,
@@ -85,6 +87,8 @@
for (i = 0; i < 2; i++) {
mop500_dai_links[i].cpu_of_node = msp_np[i];
mop500_dai_links[i].cpu_dai_name = NULL;
+ mop500_dai_links[i].platform_of_node = msp_np[i];
+ mop500_dai_links[i].platform_name = NULL;
mop500_dai_links[i].codec_of_node = codec_np;
mop500_dai_links[i].codec_name = NULL;
}
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 082736c..e630813 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -542,6 +542,8 @@
if (size < sizeof(scale))
return -ENOMEM;
+ if (cval->min_mute)
+ scale[0] = SNDRV_CTL_TLVT_DB_MINMAX_MUTE;
scale[2] = cval->dBmin;
scale[3] = cval->dBmax;
if (copy_to_user(_tlv, scale, sizeof(scale)))
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 3417ef3..2b4b067 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -64,6 +64,7 @@
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
+ u8 min_mute;
void *private_data;
};
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index e3d1dec..e1e7ce9 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1878,6 +1878,12 @@
if (unitid == 7 && cval->control == UAC_FU_VOLUME)
snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
break;
+ /* lowest playback value is muted on C-Media devices */
+ case USB_ID(0x0d8c, 0x000c):
+ case USB_ID(0x0d8c, 0x0014):
+ if (strstr(kctl->id.name, "Playback"))
+ cval->min_mute = 1;
+ break;
}
}
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index d7b0b0a..5d2a632 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1142,6 +1142,7 @@
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+ case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
@@ -1308,10 +1309,13 @@
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(20);
- /* Zoom R16/24 needs a tiny delay here, otherwise requests like
- * get/set frequency return as failed despite actually succeeding.
+ /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here,
+ * otherwise requests like get/set frequency return as failed despite
+ * actually succeeding.
*/
- if (chip->usb_id == USB_ID(0x1686, 0x00dd) &&
+ if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
+ chip->usb_id == USB_ID(0x046d, 0x0a46) ||
+ chip->usb_id == USB_ID(0x0b0e, 0x0349)) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
mdelay(1);
}
@@ -1374,6 +1378,10 @@
}
}
break;
+ case USB_ID(0x16d0, 0x0a23):
+ if (fp->altsetting == 2)
+ return SNDRV_PCM_FMTBIT_DSD_U32_BE;
+ break;
default:
break;
diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c
index 7598361..da2172f 100644
--- a/tools/build/feature/test-bpf.c
+++ b/tools/build/feature/test-bpf.c
@@ -11,6 +11,8 @@
# define __NR_bpf 280
# elif defined(__sparc__)
# define __NR_bpf 349
+# elif defined(__s390__)
+# define __NR_bpf 351
# else
# error __NR_bpf not defined. libbpf does not support your arch.
# endif
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index dd8f00cf..32283d8 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -474,7 +474,7 @@
@staticmethod
def is_field_wanted(fields_filter, field):
"""Indicate whether field is valid according to fields_filter."""
- if not fields_filter:
+ if not fields_filter or fields_filter == "help":
return True
return re.match(fields_filter, field) is not None
@@ -1413,8 +1413,8 @@
Requirements:
- Access to:
- /sys/kernel/debug/kvm
- /sys/kernel/debug/trace/events/*
+ %s
+ %s/events/*
/proc/pid/task
- /proc/sys/kernel/perf_event_paranoid < 1 if user has no
CAP_SYS_ADMIN and perf events are used.
@@ -1434,7 +1434,7 @@
s set update interval
x toggle reporting of stats for individual child trace events
Press any other key to refresh statistics immediately.
-"""
+""" % (PATH_DEBUGFS_KVM, PATH_DEBUGFS_TRACING)
class PlainHelpFormatter(optparse.IndentedHelpFormatter):
def format_description(self, description):
@@ -1496,7 +1496,8 @@
action='store',
default=DEFAULT_REGEX,
dest='fields',
- help='fields to display (regex)',
+ help='''fields to display (regex)
+ "-f help" for a list of available events''',
)
optparser.add_option('-p', '--pid',
action='store',
@@ -1559,6 +1560,17 @@
stats = Stats(options)
+ if options.fields == "help":
+ event_list = "\n"
+ s = stats.get()
+ for key in s.keys():
+ if key.find('(') != -1:
+ key = key[0:key.find('(')]
+ if event_list.find('\n' + key + '\n') == -1:
+ event_list += key + '\n'
+ sys.stdout.write(event_list)
+ return ""
+
if options.log:
log(stats)
elif not options.once:
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 7e0405e..e5bbb09 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -39,6 +39,8 @@
# define __NR_bpf 280
# elif defined(__sparc__)
# define __NR_bpf 349
+# elif defined(__s390__)
+# define __NR_bpf 351
# else
# error __NR_bpf not defined. libbpf does not support your arch.
# endif
@@ -120,7 +122,7 @@
int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
size_t insns_cnt, int strict_alignment,
const char *license, __u32 kern_version,
- char *log_buf, size_t log_buf_sz)
+ char *log_buf, size_t log_buf_sz, int log_level)
{
union bpf_attr attr;
@@ -131,7 +133,7 @@
attr.license = ptr_to_u64(license);
attr.log_buf = ptr_to_u64(log_buf);
attr.log_size = log_buf_sz;
- attr.log_level = 2;
+ attr.log_level = log_level;
log_buf[0] = 0;
attr.kern_version = kern_version;
attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0;
@@ -314,7 +316,6 @@
int err;
bzero(&attr, sizeof(attr));
- bzero(info, *info_len);
attr.info.bpf_fd = prog_fd;
attr.info.info_len = *info_len;
attr.info.info = ptr_to_u64(info);
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 16de44a..418c86e 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -38,7 +38,7 @@
int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
size_t insns_cnt, int strict_alignment,
const char *license, __u32 kern_version,
- char *log_buf, size_t log_buf_sz);
+ char *log_buf, size_t log_buf_sz, int log_level);
int bpf_map_update_elem(int fd, const void *key, const void *value,
__u64 flags);
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 1a2c07e..8c67a90 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -879,7 +879,8 @@
size_t j;
int err = *pfd;
- pr_warning("failed to create map: %s\n",
+ pr_warning("failed to create map (name: '%s'): %s\n",
+ obj->maps[i].name,
strerror(errno));
for (j = 0; j < i; j++)
zclose(obj->maps[j].fd);
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index a36c2eb..4559a21a 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -271,7 +271,7 @@
case 0x8d:
if (rex == 0x48 && modrm == 0x65) {
- /* lea -disp(%rbp), %rsp */
+ /* lea disp(%rbp), %rsp */
*type = INSN_STACK;
op->src.type = OP_SRC_ADD;
op->src.reg = CFI_BP;
@@ -281,6 +281,30 @@
break;
}
+ if (rex == 0x48 && (modrm == 0xa4 || modrm == 0x64) &&
+ sib == 0x24) {
+
+ /* lea disp(%rsp), %rsp */
+ *type = INSN_STACK;
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn.displacement.value;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ break;
+ }
+
+ if (rex == 0x48 && modrm == 0x2c && sib == 0x24) {
+
+ /* lea (%rsp), %rbp */
+ *type = INSN_STACK;
+ op->src.type = OP_SRC_REG;
+ op->src.reg = CFI_SP;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_BP;
+ break;
+ }
+
if (rex == 0x4c && modrm == 0x54 && sib == 0x24 &&
insn.displacement.value == 8) {
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index a4d3762..83874b0 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -704,7 +704,7 @@
ui_browser__gotorc(browser, row, column + 1);
SLsmg_draw_hline(2);
- if (row++ == 0)
+ if (++row == 0)
goto out;
} else
row = 0;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 87b4318..413f74d 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -273,7 +273,7 @@
struct perf_event_attr attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES,
- .exclude_kernel = 1,
+ .exclude_kernel = geteuid() != 0,
};
struct perf_evsel *evsel;
@@ -298,8 +298,10 @@
goto out;
/* use asprintf() because free(evsel) assumes name is allocated */
- if (asprintf(&evsel->name, "cycles%.*s",
- attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
+ if (asprintf(&evsel->name, "cycles%s%s%.*s",
+ (attr.precise_ip || attr.exclude_kernel) ? ":" : "",
+ attr.exclude_kernel ? "u" : "",
+ attr.precise_ip ? attr.precise_ip + 1 : 0, "ppp") < 0)
goto error_free;
out:
return evsel;
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 5de2b86..2e9eb6a 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2209,7 +2209,7 @@
machine->kernel_start = 1ULL << 63;
if (map) {
err = map__load(map);
- if (map->start)
+ if (!err)
machine->kernel_start = map->start;
}
return err;
diff --git a/tools/testing/selftests/bpf/test_align.c b/tools/testing/selftests/bpf/test_align.c
index bccebd9..2979369 100644
--- a/tools/testing/selftests/bpf/test_align.c
+++ b/tools/testing/selftests/bpf/test_align.c
@@ -380,7 +380,7 @@
prog_len = probe_filter_length(prog);
fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
prog, prog_len, 1, "GPL", 0,
- bpf_vlog, sizeof(bpf_vlog));
+ bpf_vlog, sizeof(bpf_vlog), 2);
if (fd_prog < 0) {
printf("Failed to load program.\n");
printf("%s", bpf_vlog);
diff --git a/tools/testing/selftests/bpf/test_pkt_md_access.c b/tools/testing/selftests/bpf/test_pkt_md_access.c
index 71729d4..7956302 100644
--- a/tools/testing/selftests/bpf/test_pkt_md_access.c
+++ b/tools/testing/selftests/bpf/test_pkt_md_access.c
@@ -12,12 +12,23 @@
int _version SEC("version") = 1;
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define TEST_FIELD(TYPE, FIELD, MASK) \
{ \
TYPE tmp = *(volatile TYPE *)&skb->FIELD; \
if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK)) \
return TC_ACT_SHOT; \
}
+#else
+#define TEST_FIELD_OFFSET(a, b) ((sizeof(a) - sizeof(b)) / sizeof(b))
+#define TEST_FIELD(TYPE, FIELD, MASK) \
+ { \
+ TYPE tmp = *((volatile TYPE *)&skb->FIELD + \
+ TEST_FIELD_OFFSET(skb->FIELD, TYPE)); \
+ if (tmp != ((*(volatile __u32 *)&skb->FIELD) & MASK)) \
+ return TC_ACT_SHOT; \
+ }
+#endif
SEC("test1")
int process(struct __sk_buff *skb)
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 5855cd3..1f7dd35 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -340,6 +340,7 @@
/* Check getting prog info */
info_len = sizeof(struct bpf_prog_info) * 2;
+ bzero(&prog_infos[i], info_len);
prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns);
prog_infos[i].jited_prog_len = sizeof(jited_insns);
prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns);
@@ -369,6 +370,7 @@
/* Check getting map info */
info_len = sizeof(struct bpf_map_info) * 2;
+ bzero(&map_infos[i], info_len);
err = bpf_obj_get_info_by_fd(map_fds[i], &map_infos[i],
&info_len);
if (CHECK(err ||
@@ -394,7 +396,7 @@
nr_id_found = 0;
next_id = 0;
while (!bpf_prog_get_next_id(next_id, &next_id)) {
- struct bpf_prog_info prog_info;
+ struct bpf_prog_info prog_info = {};
int prog_fd;
info_len = sizeof(prog_info);
@@ -418,6 +420,8 @@
nr_id_found++;
err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
+ prog_infos[i].jited_prog_insns = 0;
+ prog_infos[i].xlated_prog_insns = 0;
CHECK(err || info_len != sizeof(struct bpf_prog_info) ||
memcmp(&prog_info, &prog_infos[i], info_len),
"get-prog-info(next_id->fd)",
@@ -436,7 +440,7 @@
nr_id_found = 0;
next_id = 0;
while (!bpf_map_get_next_id(next_id, &next_id)) {
- struct bpf_map_info map_info;
+ struct bpf_map_info map_info = {};
int map_fd;
info_len = sizeof(map_info);
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 404aec5..d3ed732 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -8,6 +8,7 @@
* License as published by the Free Software Foundation.
*/
+#include <endian.h>
#include <asm/types.h>
#include <linux/types.h>
#include <stdint.h>
@@ -1098,7 +1099,7 @@
"check skb->hash byte load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash)),
#else
@@ -1135,7 +1136,7 @@
"check skb->hash byte load not permitted 3",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash) + 3),
#else
@@ -1244,7 +1245,7 @@
"check skb->hash half load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash)),
#else
@@ -1259,7 +1260,7 @@
"check skb->hash half load not permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, hash) + 2),
#else
@@ -4969,7 +4970,7 @@
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
sizeof(struct test_val), 4),
BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_MOV64_IMM(BPF_REG_0, 0),
@@ -4995,7 +4996,7 @@
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
sizeof(struct test_val) + 1, 4),
BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_MOV64_IMM(BPF_REG_0, 0),
@@ -5023,7 +5024,7 @@
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
sizeof(struct test_val) - 20, 4),
BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_MOV64_IMM(BPF_REG_0, 0),
@@ -5050,7 +5051,7 @@
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2,
sizeof(struct test_val) - 19, 4),
BPF_MOV64_IMM(BPF_REG_4, 0),
- BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
BPF_EMIT_CALL(BPF_FUNC_probe_read),
BPF_MOV64_IMM(BPF_REG_0, 0),
@@ -5422,7 +5423,7 @@
"check bpf_perf_event_data->sample_period byte load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5438,7 +5439,7 @@
"check bpf_perf_event_data->sample_period half load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5454,7 +5455,7 @@
"check bpf_perf_event_data->sample_period word load permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
offsetof(struct bpf_perf_event_data, sample_period)),
#else
@@ -5481,7 +5482,7 @@
"check skb->data half load not permitted",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, data)),
#else
@@ -5497,7 +5498,7 @@
"check skb->tc_classid half load not permitted for lwt prog",
.insns = {
BPF_MOV64_IMM(BPF_REG_0, 0),
-#ifdef __LITTLE_ENDIAN
+#if __BYTE_ORDER == __LITTLE_ENDIAN
BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
offsetof(struct __sk_buff, tc_classid)),
#else
@@ -5510,6 +5511,504 @@
.errstr = "invalid bpf_context access",
.prog_type = BPF_PROG_TYPE_LWT_IN,
},
+ {
+ "bounds checks mixing signed and unsigned, positive bounds",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 2",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+ BPF_MOV64_IMM(BPF_REG_8, 0),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+ BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R8 invalid mem access 'inv'",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 3",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4),
+ BPF_MOV64_REG(BPF_REG_8, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8),
+ BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R8 invalid mem access 'inv'",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 4",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 1),
+ BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 5",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 invalid mem access",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 6",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_6, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1),
+ BPF_MOV64_IMM(BPF_REG_5, 0),
+ BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_skb_load_bytes),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .errstr_unpriv = "R4 min value is negative, either use unsigned",
+ .errstr = "R4 min value is negative, either use unsigned",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 7",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 8",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024 + 1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 9",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 10",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 11",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 0),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 12",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ /* Dead branch. */
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 13",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -6),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 14",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, 2),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_7, 1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 15",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1,
+ offsetof(struct __sk_buff, mark)),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_MOV64_IMM(BPF_REG_8, 2),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6),
+ BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3),
+ BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3),
+ BPF_JMP_IMM(BPF_JA, 0, 0, -7),
+ },
+ .fixup_map1 = { 4 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "bounds checks mixing signed and unsigned, variant 16",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4),
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
+ BPF_MOV64_IMM(BPF_REG_2, -6),
+ BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
+ {
+ "subtraction bounds (map value)",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
+ BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_1, 0xff, 7),
+ BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_0, 1),
+ BPF_JMP_IMM(BPF_JGT, BPF_REG_3, 0xff, 5),
+ BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_3),
+ BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 56),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
+ BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map1 = { 3 },
+ .errstr_unpriv = "R0 pointer arithmetic prohibited",
+ .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.",
+ .result = REJECT,
+ .result_unpriv = REJECT,
+ },
};
static int probe_filter_length(const struct bpf_insn *fp)
@@ -5633,7 +6132,7 @@
fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
prog, prog_len, test->flags & F_LOAD_WITH_STRICT_ALIGNMENT,
- "GPL", 0, bpf_vlog, sizeof(bpf_vlog));
+ "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1);
expected_ret = unpriv && test->result_unpriv != UNDEF ?
test->result_unpriv : test->result;
diff --git a/tools/testing/selftests/futex/Makefile b/tools/testing/selftests/futex/Makefile
index e2fbb89..7c647f6 100644
--- a/tools/testing/selftests/futex/Makefile
+++ b/tools/testing/selftests/futex/Makefile
@@ -14,7 +14,7 @@
done
override define RUN_TESTS
- @if [ `dirname $(OUTPUT)` = $(PWD) ]; then ./run.sh; fi
+ $(OUTPUT)/run.sh
endef
override define INSTALL_RULE
diff --git a/tools/testing/selftests/kmod/kmod.sh b/tools/testing/selftests/kmod/kmod.sh
old mode 100644
new mode 100755
index 8cecae9..7956ea3
--- a/tools/testing/selftests/kmod/kmod.sh
+++ b/tools/testing/selftests/kmod/kmod.sh
@@ -473,8 +473,8 @@
echo " all Runs all tests (default)"
echo " -t Run test ID the number amount of times is recommended"
echo " -w Watch test ID run until it runs into an error"
- echo " -c Run test ID once"
- echo " -s Run test ID x test-count number of times"
+ echo " -s Run test ID once"
+ echo " -c Run test ID x test-count number of times"
echo " -l List all test ID list"
echo " -h|--help Help"
echo
diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
index 1c12b58..5fc7ad3 100755
--- a/tools/testing/selftests/ntb/ntb_test.sh
+++ b/tools/testing/selftests/ntb/ntb_test.sh
@@ -333,6 +333,10 @@
link_test $LOCAL_TOOL $REMOTE_TOOL
link_test $REMOTE_TOOL $LOCAL_TOOL
+ #Ensure the link is up on both sides before continuing
+ write_file Y $LOCAL_TOOL/link_event
+ write_file Y $REMOTE_TOOL/link_event
+
for PEER_TRANS in $(ls $LOCAL_TOOL/peer_trans*); do
PT=$(basename $PEER_TRANS)
write_file $MW_SIZE $LOCAL_TOOL/$PT
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
old mode 100644
new mode 100755
diff --git a/tools/testing/selftests/timers/freq-step.c b/tools/testing/selftests/timers/freq-step.c
index e8c6183..22312eb 100644
--- a/tools/testing/selftests/timers/freq-step.c
+++ b/tools/testing/selftests/timers/freq-step.c
@@ -229,10 +229,9 @@
printf("CLOCK_MONOTONIC_RAW+CLOCK_MONOTONIC precision: %.0f ns\t\t",
1e9 * precision);
- if (precision > MAX_PRECISION) {
- printf("[SKIP]\n");
- ksft_exit_skip();
- }
+ if (precision > MAX_PRECISION)
+ ksft_exit_skip("precision: %.0f ns > MAX_PRECISION: %.0f ns\n",
+ 1e9 * precision, 1e9 * MAX_PRECISION);
printf("[OK]\n");
srand(ts.tv_sec ^ ts.tv_nsec);
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 0e1fc75..2ea21da 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1718,12 +1718,16 @@
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end)
{
+ if (!kvm->arch.pgd)
+ return 0;
trace_kvm_age_hva(start, end);
return handle_hva_to_gpa(kvm, start, end, kvm_age_hva_handler, NULL);
}
int kvm_test_age_hva(struct kvm *kvm, unsigned long hva)
{
+ if (!kvm->arch.pgd)
+ return 0;
trace_kvm_test_age_hva(hva);
return handle_hva_to_gpa(kvm, hva, hva, kvm_test_age_hva_handler, NULL);
}
diff --git a/virt/kvm/arm/pmu.c b/virt/kvm/arm/pmu.c
index fc8a723..8a9c423 100644
--- a/virt/kvm/arm/pmu.c
+++ b/virt/kvm/arm/pmu.c
@@ -203,11 +203,15 @@
return reg;
}
-static void kvm_pmu_check_overflow(struct kvm_vcpu *vcpu)
+static void kvm_pmu_update_state(struct kvm_vcpu *vcpu)
{
struct kvm_pmu *pmu = &vcpu->arch.pmu;
- bool overflow = !!kvm_pmu_overflow_status(vcpu);
+ bool overflow;
+ if (!kvm_arm_pmu_v3_ready(vcpu))
+ return;
+
+ overflow = !!kvm_pmu_overflow_status(vcpu);
if (pmu->irq_level == overflow)
return;
@@ -215,33 +219,11 @@
if (likely(irqchip_in_kernel(vcpu->kvm))) {
int ret = kvm_vgic_inject_irq(vcpu->kvm, vcpu->vcpu_id,
- pmu->irq_num, overflow,
- &vcpu->arch.pmu);
+ pmu->irq_num, overflow, pmu);
WARN_ON(ret);
}
}
-/**
- * kvm_pmu_overflow_set - set PMU overflow interrupt
- * @vcpu: The vcpu pointer
- * @val: the value guest writes to PMOVSSET register
- */
-void kvm_pmu_overflow_set(struct kvm_vcpu *vcpu, u64 val)
-{
- if (val == 0)
- return;
-
- vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= val;
- kvm_pmu_check_overflow(vcpu);
-}
-
-static void kvm_pmu_update_state(struct kvm_vcpu *vcpu)
-{
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return;
- kvm_pmu_check_overflow(vcpu);
-}
-
bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu)
{
struct kvm_pmu *pmu = &vcpu->arch.pmu;
@@ -303,7 +285,7 @@
}
/**
- * When perf event overflows, call kvm_pmu_overflow_set to set overflow status.
+ * When the perf event overflows, set the overflow status and inform the vcpu.
*/
static void kvm_pmu_perf_overflow(struct perf_event *perf_event,
struct perf_sample_data *data,
@@ -313,7 +295,12 @@
struct kvm_vcpu *vcpu = kvm_pmc_to_vcpu(pmc);
int idx = pmc->idx;
- kvm_pmu_overflow_set(vcpu, BIT(idx));
+ vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= BIT(idx);
+
+ if (kvm_pmu_overflow_status(vcpu)) {
+ kvm_make_request(KVM_REQ_IRQ_PENDING, vcpu);
+ kvm_vcpu_kick(vcpu);
+ }
}
/**
@@ -341,7 +328,7 @@
reg = lower_32_bits(reg);
vcpu_sys_reg(vcpu, PMEVCNTR0_EL0 + i) = reg;
if (!reg)
- kvm_pmu_overflow_set(vcpu, BIT(i));
+ vcpu_sys_reg(vcpu, PMOVSSET_EL0) |= BIT(i);
}
}
}
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c
index 3a0b899..5801261 100644
--- a/virt/kvm/arm/vgic/vgic-init.c
+++ b/virt/kvm/arm/vgic/vgic-init.c
@@ -285,9 +285,6 @@
if (ret)
goto out;
- if (vgic_has_its(kvm))
- dist->msis_require_devid = true;
-
kvm_for_each_vcpu(i, vcpu, kvm)
kvm_vgic_vcpu_enable(vcpu);
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index 2dff288..aa6b68d 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -1598,6 +1598,7 @@
INIT_LIST_HEAD(&its->device_list);
INIT_LIST_HEAD(&its->collection_list);
+ dev->kvm->arch.vgic.msis_require_devid = true;
dev->kvm->arch.vgic.has_its = true;
its->enabled = false;
its->dev = dev;
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c
index 714fa39..408ef06 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v3.c
+++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c
@@ -369,7 +369,7 @@
return;
do {
- old_propbaser = dist->propbaser;
+ old_propbaser = READ_ONCE(dist->propbaser);
propbaser = old_propbaser;
propbaser = update_64bit_reg(propbaser, addr & 4, len, val);
propbaser = vgic_sanitise_propbaser(propbaser);
@@ -397,7 +397,7 @@
return;
do {
- old_pendbaser = vgic_cpu->pendbaser;
+ old_pendbaser = READ_ONCE(vgic_cpu->pendbaser);
pendbaser = old_pendbaser;
pendbaser = update_64bit_reg(pendbaser, addr & 4, len, val);
pendbaser = vgic_sanitise_pendbaser(pendbaser);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 82987d4..4d81f6d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -322,47 +322,6 @@
return container_of(mn, struct kvm, mmu_notifier);
}
-static void kvm_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address)
-{
- struct kvm *kvm = mmu_notifier_to_kvm(mn);
- int need_tlb_flush, idx;
-
- /*
- * When ->invalidate_page runs, the linux pte has been zapped
- * already but the page is still allocated until
- * ->invalidate_page returns. So if we increase the sequence
- * here the kvm page fault will notice if the spte can't be
- * established because the page is going to be freed. If
- * instead the kvm page fault establishes the spte before
- * ->invalidate_page runs, kvm_unmap_hva will release it
- * before returning.
- *
- * The sequence increase only need to be seen at spin_unlock
- * time, and not at spin_lock time.
- *
- * Increasing the sequence after the spin_unlock would be
- * unsafe because the kvm page fault could then establish the
- * pte after kvm_unmap_hva returned, without noticing the page
- * is going to be freed.
- */
- idx = srcu_read_lock(&kvm->srcu);
- spin_lock(&kvm->mmu_lock);
-
- kvm->mmu_notifier_seq++;
- need_tlb_flush = kvm_unmap_hva(kvm, address) | kvm->tlbs_dirty;
- /* we've to flush the tlb before the pages can be freed */
- if (need_tlb_flush)
- kvm_flush_remote_tlbs(kvm);
-
- spin_unlock(&kvm->mmu_lock);
-
- kvm_arch_mmu_notifier_invalidate_page(kvm, address);
-
- srcu_read_unlock(&kvm->srcu, idx);
-}
-
static void kvm_mmu_notifier_change_pte(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address,
@@ -510,7 +469,6 @@
}
static const struct mmu_notifier_ops kvm_mmu_notifier_ops = {
- .invalidate_page = kvm_mmu_notifier_invalidate_page,
.invalidate_range_start = kvm_mmu_notifier_invalidate_range_start,
.invalidate_range_end = kvm_mmu_notifier_invalidate_range_end,
.clear_flush_young = kvm_mmu_notifier_clear_flush_young,
@@ -717,10 +675,9 @@
hardware_disable_all();
out_err_no_disable:
for (i = 0; i < KVM_NR_BUSES; i++)
- kfree(rcu_access_pointer(kvm->buses[i]));
+ kfree(kvm_get_bus(kvm, i));
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
- kvm_free_memslots(kvm,
- rcu_dereference_protected(kvm->memslots[i], 1));
+ kvm_free_memslots(kvm, __kvm_memslots(kvm, i));
kvm_arch_free_vm(kvm);
mmdrop(current->mm);
return ERR_PTR(r);
@@ -754,9 +711,8 @@
spin_unlock(&kvm_lock);
kvm_free_irq_routing(kvm);
for (i = 0; i < KVM_NR_BUSES; i++) {
- struct kvm_io_bus *bus;
+ struct kvm_io_bus *bus = kvm_get_bus(kvm, i);
- bus = rcu_dereference_protected(kvm->buses[i], 1);
if (bus)
kvm_io_bus_destroy(bus);
kvm->buses[i] = NULL;
@@ -770,8 +726,7 @@
kvm_arch_destroy_vm(kvm);
kvm_destroy_devices(kvm);
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
- kvm_free_memslots(kvm,
- rcu_dereference_protected(kvm->memslots[i], 1));
+ kvm_free_memslots(kvm, __kvm_memslots(kvm, i));
cleanup_srcu_struct(&kvm->irq_srcu);
cleanup_srcu_struct(&kvm->srcu);
kvm_arch_free_vm(kvm);
@@ -3883,7 +3838,6 @@
static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm)
{
struct kobj_uevent_env *env;
- char *tmp, *pathbuf = NULL;
unsigned long long created, active;
if (!kvm_dev.this_device || !kvm)
@@ -3907,38 +3861,28 @@
add_uevent_var(env, "CREATED=%llu", created);
add_uevent_var(env, "COUNT=%llu", active);
- if (type == KVM_EVENT_CREATE_VM)
+ if (type == KVM_EVENT_CREATE_VM) {
add_uevent_var(env, "EVENT=create");
- else if (type == KVM_EVENT_DESTROY_VM)
+ kvm->userspace_pid = task_pid_nr(current);
+ } else if (type == KVM_EVENT_DESTROY_VM) {
add_uevent_var(env, "EVENT=destroy");
+ }
+ add_uevent_var(env, "PID=%d", kvm->userspace_pid);
if (kvm->debugfs_dentry) {
- char p[ITOA_MAX_LEN];
+ char *tmp, *p = kmalloc(PATH_MAX, GFP_KERNEL);
- snprintf(p, sizeof(p), "%s", kvm->debugfs_dentry->d_name.name);
- tmp = strchrnul(p + 1, '-');
- *tmp = '\0';
- add_uevent_var(env, "PID=%s", p);
- pathbuf = kmalloc(PATH_MAX, GFP_KERNEL);
- if (pathbuf) {
- /* sizeof counts the final '\0' */
- int len = sizeof("STATS_PATH=") - 1;
- const char *pvar = "STATS_PATH=";
-
- tmp = dentry_path_raw(kvm->debugfs_dentry,
- pathbuf + len,
- PATH_MAX - len);
- if (!IS_ERR(tmp)) {
- memcpy(tmp - len, pvar, len);
- env->envp[env->envp_idx++] = tmp - len;
- }
+ if (p) {
+ tmp = dentry_path_raw(kvm->debugfs_dentry, p, PATH_MAX);
+ if (!IS_ERR(tmp))
+ add_uevent_var(env, "STATS_PATH=%s", tmp);
+ kfree(p);
}
}
/* no need for checks, since we are adding at most only 5 keys */
env->envp[env->envp_idx++] = NULL;
kobject_uevent_env(&kvm_dev.this_device->kobj, KOBJ_CHANGE, env->envp);
kfree(env);
- kfree(pathbuf);
}
static int kvm_init_debug(void)
