Merge 4.14.45 into android-4.14
Changes in 4.14.45
MIPS: c-r4k: Fix data corruption related to cache coherence
MIPS: ptrace: Expose FIR register through FP regset
MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
affs_lookup(): close a race with affs_remove_link()
fs: don't scan the inode cache before SB_BORN is set
aio: fix io_destroy(2) vs. lookup_ioctx() race
ALSA: timer: Fix pause event notification
do d_instantiate/unlock_new_inode combinations safely
mmc: sdhci-iproc: remove hard coded mmc cap 1.8v
mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register
mmc: sdhci-iproc: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for cygnus
libata: Blacklist some Sandisk SSDs for NCQ
libata: blacklist Micron 500IT SSD with MU01 firmware
xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent
drm/vmwgfx: Fix 32-bit VMW_PORT_HB_[IN|OUT] macros
arm64: lse: Add early clobbers to some input/output asm operands
powerpc/64s: Clear PCR on boot
IB/hfi1: Use after free race condition in send context error path
IB/umem: Use the correct mm during ib_umem_release
sr: pass down correctly sized SCSI sense buffer
idr: fix invalid ptr dereference on item delete
Revert "ipc/shm: Fix shmat mmap nil-page protection"
ipc/shm: fix shmat() nil address after round-down when remapping
mm/kasan: don't vfree() nonexistent vm_area
kasan: free allocated shadow memory on MEM_CANCEL_ONLINE
kasan: fix memory hotplug during boot
kernel/sys.c: fix potential Spectre v1 issue
KVM/VMX: Expose SSBD properly to guests
KVM: s390: vsie: fix < 8k check for the itdba
KVM: x86: Update cpuid properly when CR4.OSXAVE or CR4.PKE is changed
kvm: x86: IA32_ARCH_CAPABILITIES is always supported
x86/kvm: fix LAPIC timer drift when guest uses periodic mode
powerpc/64s: Improve RFI L1-D cache flush fallback
powerpc/pseries: Support firmware disable of RFI flush
powerpc/powernv: Support firmware disable of RFI flush
powerpc/rfi-flush: Move the logic to avoid a redo into the debugfs code
powerpc/rfi-flush: Make it possible to call setup_rfi_flush() again
powerpc/rfi-flush: Always enable fallback flush on pseries
powerpc/rfi-flush: Differentiate enabled and patched flush types
powerpc/rfi-flush: Call setup_rfi_flush() after LPM migration
powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags
powerpc: Add security feature flags for Spectre/Meltdown
powerpc/pseries: Set or clear security feature flags
powerpc/powernv: Set or clear security feature flags
powerpc/64s: Move cpu_show_meltdown()
powerpc/64s: Enhance the information in cpu_show_meltdown()
powerpc/powernv: Use the security flags in pnv_setup_rfi_flush()
powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()
powerpc/64s: Wire up cpu_show_spectre_v1()
powerpc/64s: Wire up cpu_show_spectre_v2()
powerpc/pseries: Fix clearing of security feature flags
powerpc: Move default security feature flags
powerpc/pseries: Restore default security feature flags on setup
powerpc/64s: Fix section mismatch warnings from setup_rfi_flush()
powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit
MIPS: generic: Fix machine compatible matching
mac80211: mesh: fix wrong mesh TTL offset calculation
ARC: Fix malformed ARC_EMUL_UNALIGNED default
ptr_ring: prevent integer overflow when calculating size
arm64: dts: rockchip: fix rock64 gmac2io stability issues
arm64: dts: rockchip: correct ep-gpios for rk3399-sapphire
libata: Fix compile warning with ATA_DEBUG enabled
selftests: sync: missing CFLAGS while compiling
selftest/vDSO: fix O=
selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m
selftests: memfd: add config fragment for fuse
ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt
ARM: OMAP3: Fix prm wake interrupt for resume
ARM: OMAP2+: Fix sar_base inititalization for HS omaps
ARM: OMAP1: clock: Fix debugfs_create_*() usage
ibmvnic: Wait until reset is complete to set carrier on
ibmvnic: Free RX socket buffer in case of adapter error
ibmvnic: Clean RX pool buffers during device close
tls: retrun the correct IV in getsockopt
xhci: workaround for AMD Promontory disabled ports wakeup
IB/uverbs: Fix method merging in uverbs_ioctl_merge
IB/uverbs: Fix possible oops with duplicate ioctl attributes
IB/uverbs: Fix unbalanced unlock on error path for rdma_explicit_destroy
arm64: dts: rockchip: Fix DWMMC clocks
ARM: dts: rockchip: Fix DWMMC clocks
iwlwifi: mvm: fix security bug in PN checking
iwlwifi: mvm: fix IBSS for devices that support station type API
iwlwifi: mvm: always init rs with 20mhz bandwidth rates
NFC: llcp: Limit size of SDP URI
rxrpc: Work around usercopy check
MD: Free bioset when md_run fails
md: fix md_write_start() deadlock w/o metadata devices
s390/dasd: fix handling of internal requests
xfrm: do not call rcu_read_unlock when afinfo is NULL in xfrm_get_tos
mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
mac80211: fix a possible leak of station stats
mac80211: fix calling sleeping function in atomic context
cfg80211: clear wep keys after disconnection
mac80211: Do not disconnect on invalid operating class
mac80211: Fix sending ADDBA response for an ongoing session
gpu: ipu-v3: pre: fix device node leak in ipu_pre_lookup_by_phandle
gpu: ipu-v3: prg: fix device node leak in ipu_prg_lookup_by_phandle
md raid10: fix NULL deference in handle_write_completed()
drm/exynos: g2d: use monotonic timestamps
drm/exynos: fix comparison to bitshift when dealing with a mask
drm/meson: fix vsync buffer update
arm64: perf: correct PMUVer probing
RDMA/bnxt_re: Unpin SQ and RQ memory if QP create fails
RDMA/bnxt_re: Fix system crash during load/unload
ibmvnic: Check for NULL skb's in NAPI poll routine
net/mlx5e: Return error if prio is specified when offloading eswitch vlan push
locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
md: raid5: avoid string overflow warning
virtio_net: fix XDP code path in receive_small()
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
bug.h: work around GCC PR82365 in BUG()
selftests/memfd: add run_fuse_test.sh to TEST_FILES
seccomp: add a selftest for get_metadata
soc: imx: gpc: de-register power domains only if initialized
powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
s390/cio: fix ccw_device_start_timeout API
s390/cio: fix return code after missing interrupt
s390/cio: clear timer when terminating driver I/O
selftests/bpf/test_maps: exit child process without error in ENOMEM case
PKCS#7: fix direct verification of SignerInfo signature
arm64: dts: cavium: fix PCI bus dtc warnings
nfs: system crashes after NFS4ERR_MOVED recovery
ARM: OMAP: Fix dmtimer init for omap1
smsc75xx: fix smsc75xx_set_features()
regulatory: add NUL to request alpha2
integrity/security: fix digsig.c build error with header file
x86/intel_rdt: Fix incorrect returned value when creating rdgroup sub-directory in resctrl file system
locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs
x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
mac80211: drop frames with unexpected DS bits from fast-rx to slow path
arm64: fix unwind_frame() for filtered out fn for function graph tracing
macvlan: fix use-after-free in macvlan_common_newlink()
KVM: nVMX: Don't halt vcpu when L1 is injecting events to L2
kvm: fix warning for CONFIG_HAVE_KVM_EVENTFD builds
ARM: dts: imx6dl: Include correct dtsi file for Engicam i.CoreM6 DualLite/Solo RQS
fs: dcache: Avoid livelock between d_alloc_parallel and __d_add
fs: dcache: Use READ_ONCE when accessing i_dir_seq
md: fix a potential deadlock of raid5/raid10 reshape
md/raid1: fix NULL pointer dereference
batman-adv: fix packet checksum in receive path
batman-adv: invalidate checksum on fragment reassembly
netfilter: ipt_CLUSTERIP: put config struct if we can't increment ct refcount
netfilter: ipt_CLUSTERIP: put config instead of freeing it
netfilter: ebtables: convert BUG_ONs to WARN_ONs
batman-adv: Ignore invalid batadv_iv_gw during netlink send
batman-adv: Ignore invalid batadv_v_gw during netlink send
batman-adv: Fix netlink dumping of BLA claims
batman-adv: Fix netlink dumping of BLA backbones
nvme-pci: Fix nvme queue cleanup if IRQ setup fails
clocksource/drivers/fsl_ftm_timer: Fix error return checking
libceph, ceph: avoid memory leak when specifying same option several times
ceph: fix dentry leak when failing to init debugfs
xen/pvcalls: fix null pointer dereference on map->sock
ARM: orion5x: Revert commit 4904dbda41c8.
qrtr: add MODULE_ALIAS macro to smd
selftests/futex: Fix line continuation in Makefile
r8152: fix tx packets accounting
virtio-gpu: fix ioctl and expose the fixed status to userspace.
dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
bcache: fix kcrashes with fio in RAID5 backend dev
ip_gre: fix IFLA_MTU ignored on NEWLINK
ip6_tunnel: fix IFLA_MTU ignored on NEWLINK
sit: fix IFLA_MTU ignored on NEWLINK
nbd: fix return value in error handling path
ARM: dts: NSP: Fix amount of RAM on BCM958625HR
ARM: dts: bcm283x: Fix unit address of local_intc
powerpc/boot: Fix random libfdt related build errors
clocksource/drivers/mips-gic-timer: Use correct shift count to extract data
gianfar: Fix Rx byte accounting for ndev stats
net/tcp/illinois: replace broken algorithm reference link
nvmet: fix PSDT field check in command format
net/smc: use link_id of server in confirm link reply
mlxsw: core: Fix flex keys scratchpad offset conflict
mlxsw: spectrum: Treat IPv6 unregistered multicast as broadcast
spectrum: Reference count VLAN entries
ARC: mcip: halt GFRC counter when ARC cores halt
ARC: mcip: update MCIP debug mask when the new cpu came online
ARC: setup cpu possible mask according to possible-cpus dts property
ipvs: remove IPS_NAT_MASK check to fix passive FTP
IB/mlx: Set slid to zero in Ethernet completion struct
RDMA/bnxt_re: Unconditionly fence non wire memory operations
RDMA/bnxt_re: Fix incorrect DB offset calculation
RDMA/bnxt_re: Fix the ib_reg failure cleanup
xen/pirq: fix error path cleanup when binding MSIs
drm/amd/amdgpu: Correct VRAM width for APUs with GMC9
xfrm: Fix ESN sequence number handling for IPsec GSO packets.
arm64: dts: rockchip: Fix rk3399-gru-* s2r (pinctrl hogs, wifi reset)
drm/sun4i: Fix dclk_set_phase
btrfs: use kvzalloc to allocate btrfs_fs_info
Btrfs: send, fix issuing write op when processing hole in no data mode
Btrfs: fix log replay failure after linking special file and fsync
ceph: fix potential memory leak in init_caches()
block: display the correct diskname for bio
nvme-pci: Fix EEH failure on ppc
nvme: pci: pass max vectors as num_possible_cpus() to pci_alloc_irq_vectors
selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
net: ethtool: don't ignore return from driver get_fecparam method
iwlwifi: mvm: fix TX of CCMP 256
iwlwifi: mvm: Fix channel switch for count 0 and 1
iwlwifi: mvm: fix assert 0x2B00 on older FWs
iwlwifi: avoid collecting firmware dump if not loaded
iwlwifi: mvm: fix "failed to remove key" message
iwlwifi: mvm: Direct multicast frames to the correct station
iwlwifi: mvm: Correctly set the tid for mcast queue
rds: Incorrect reference counting in TCP socket creation
watchdog: f71808e_wdt: Fix magic close handling
watchdog: sbsa: use 32-bit read for WCV
batman-adv: Fix multicast packet loss with a single WANT_ALL_IPV4/6 flag
hv_netvsc: use napi_schedule_irqoff
hv_netvsc: filter multicast/broadcast
hv_netvsc: propagate rx filters to VF
ARM: dts: rockchip: Add missing #sound-dai-cells on rk3288
perf record: Fix crash in pipe mode
e1000e: Fix check_for_link return value with autoneg off
e1000e: allocate ring descriptors with dma_zalloc_coherent
ia64/err-inject: Use get_user_pages_fast()
RDMA/qedr: Fix kernel panic when running fio over NFSoRDMA
RDMA/qedr: Fix iWARP write and send with immediate
IB/mlx4: Fix corruption of RoCEv2 IPv4 GIDs
IB/mlx4: Include GID type when deleting GIDs from HW table under RoCE
IB/mlx5: Fix an error code in __mlx5_ib_modify_qp()
fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().
fsl/fman: avoid sleeping in atomic context while adding an address
qed: Free RoCE ILT Memory on rmmod qedr
net: qcom/emac: Use proper free methods during TX
net: smsc911x: Fix unload crash when link is up
IB/core: Fix possible crash to access NULL netdev
cxgb4: do not set needs_free_netdev for mgmt dev's
xen-blkfront: move negotiate_mq to cover all cases of new VBDs
xen: xenbus: use put_device() instead of kfree()
hv_netvsc: fix filter flags
hv_netvsc: fix locking for rx_mode
hv_netvsc: fix locking during VF setup
ARM: davinci: fix the GPIO lookup for omapl138-hawk
arm64: Relax ARM_SMCCC_ARCH_WORKAROUND_1 discovery
selftests/vm/run_vmtests: adjust hugetlb size according to nr_cpus
lib/test_kmod.c: fix limit check on number of test devices created
dmaengine: mv_xor_v2: Fix clock resource by adding a register clock
netfilter: ebtables: fix erroneous reject of last rule
can: m_can: change comparison to bitshift when dealing with a mask
can: m_can: select pinctrl state in each suspend/resume function
bnxt_en: Check valid VNIC ID in bnxt_hwrm_vnic_set_tpa().
workqueue: use put_device() instead of kfree()
ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu
sunvnet: does not support GSO for sctp
KVM: arm/arm64: vgic: Add missing irq_lock to vgic_mmio_read_pending
gpu: ipu-v3: prg: avoid possible array underflow
drm/imx: move arming of the vblank event to atomic_flush
drm/nouveau/bl: fix backlight regression
xfrm: fix rcu_read_unlock usage in xfrm_local_error
iwlwifi: mvm: set the correct tid when we flush the MCAST sta
iwlwifi: mvm: Correctly set IGTK for AP
iwlwifi: mvm: fix error checking for multi/broadcast sta
net: Fix vlan untag for bridge and vlan_dev with reorder_hdr off
vlan: Fix out of order vlan headers with reorder header off
batman-adv: fix header size check in batadv_dbg_arp()
net/sched: fix NULL dereference in the error path of tcf_sample_init()
batman-adv: Fix skbuff rcsum on packet reroute
vti4: Don't count header length twice on tunnel setup
ip_tunnel: Clamp MTU to bounds on new link
vti4: Don't override MTU passed on link creation via IFLA_MTU
vti6: Fix dev->max_mtu setting
iwlwifi: mvm: Increase session protection time after CS
iwlwifi: mvm: clear tx queue id when unreserving aggregation queue
iwlwifi: mvm: make sure internal station has a valid id
iwlwifi: mvm: fix array out of bounds reference
drm/tegra: Shutdown on driver unbind
perf/cgroup: Fix child event counting bug
brcmfmac: Fix check for ISO3166 code
kbuild: make scripts/adjust_autoksyms.sh robust against timestamp races
RDMA/ucma: Correct option size check using optlen
RDMA/qedr: fix QP's ack timeout configuration
RDMA/qedr: Fix rc initialization on CNQ allocation failure
RDMA/qedr: Fix QP state initialization race
net/sched: fix idr leak on the error path of tcf_bpf_init()
net/sched: fix idr leak in the error path of tcf_simp_init()
net/sched: fix idr leak in the error path of tcf_act_police_init()
net/sched: fix idr leak in the error path of tcp_pedit_init()
net/sched: fix idr leak in the error path of __tcf_ipt_init()
net/sched: fix idr leak in the error path of tcf_skbmod_init()
net: dsa: Fix functional dsa-loop dependency on FIXED_PHY
drm/ast: Fixed 1280x800 Display Issue
mm/mempolicy.c: avoid use uninitialized preferred_node
mm, thp: do not cause memcg oom for thp
xfrm: Fix transport mode skb control buffer usage.
selftests: ftrace: Add probe event argument syntax testcase
selftests: ftrace: Add a testcase for string type with kprobe_event
selftests: ftrace: Add a testcase for probepoint
drm/amdkfd: Fix scratch memory with HWS enabled
batman-adv: fix multicast-via-unicast transmission with AP isolation
batman-adv: fix packet loss for broadcasted DHCP packets to a server
ARM: 8748/1: mm: Define vdso_start, vdso_end as array
lan78xx: Set ASD in MAC_CR when EEE is enabled.
net: qmi_wwan: add BroadMobi BM806U 2020:2033
bonding: fix the err path for dev hwaddr sync in bond_enslave
net: dsa: mt7530: fix module autoloading for OF platform drivers
net/mlx5: Make eswitch support to depend on switchdev
perf/x86/intel: Fix linear IP of PEBS real_ip on Haswell and later CPUs
x86/alternatives: Fixup alternative_call_2
llc: properly handle dev_queue_xmit() return value
builddeb: Fix header package regarding dtc source links
qede: Fix barrier usage after tx doorbell write.
mm, slab: memcg_link the SLAB's kmem_cache
mm/page_owner: fix recursion bug after changing skip entries
mm/vmstat.c: fix vmstat_update() preemption BUG
mm/kmemleak.c: wait for scan completion before disabling free
hv_netvsc: enable multicast if necessary
qede: Do not drop rx-checksum invalidated packets.
net: Fix untag for vlan packets without ethernet header
vlan: Fix vlan insertion for packets without ethernet header
net: mvneta: fix enable of all initialized RXQs
sh: fix debug trap failure to process signals before return to user
firmware: dmi_scan: Fix UUID length safety check
nvme: don't send keep-alives to the discovery controller
Btrfs: clean up resources during umount after trans is aborted
Btrfs: fix loss of prealloc extents past i_size after fsync log replay
x86/pgtable: Don't set huge PUD/PMD on non-leaf entries
x86/mm: Do not forbid _PAGE_RW before init for __ro_after_init
fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table
swap: divide-by-zero when zero length swap file on ssd
z3fold: fix memory leak
sr: get/drop reference to device in revalidate and check_events
Force log to disk before reading the AGF during a fstrim
cpufreq: CPPC: Initialize shared perf capabilities of CPUs
powerpc/fscr: Enable interrupts earlier before calling get_user()
perf tools: Fix perf builds with clang support
perf clang: Add support for recent clang versions
dp83640: Ensure against premature access to PHY registers after reset
ibmvnic: Zero used TX descriptor counter on reset
mm/ksm: fix interaction with THP
mm: fix races between address_space dereference and free in page_evicatable
mm: thp: fix potential clearing to referenced flag in page_idle_clear_pte_refs_one()
Btrfs: bail out on error during replay_dir_deletes
Btrfs: fix NULL pointer dereference in log_dir_items
btrfs: Fix possible softlock on single core machines
IB/rxe: Fix for oops in rxe_register_device on ppc64le arch
ocfs2/dlm: don't handle migrate lockres if already in shutdown
powerpc/64s/idle: Fix restore of AMOR on POWER9 after deep sleep
sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning
x86/mm: Fix bogus warning during EFI bootup, use boot_cpu_has() instead of this_cpu_has() in build_cr3_noflush()
KVM: VMX: raise internal error for exception during invalid protected mode state
lan78xx: Connect phy early
fscache: Fix hanging wait on page discarded by writeback
sparc64: Make atomic_xchg() an inline function rather than a macro.
net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
net: bgmac: Correctly annotate register space
powerpc/64s: sreset panic if there is no debugger or crash dump handlers
btrfs: tests/qgroup: Fix wrong tree backref level
Btrfs: fix copy_items() return value when logging an inode
btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers
btrfs: qgroup: Fix root item corruption when multiple same source snapshots are created with quota enabled
rxrpc: Fix Tx ring annotation after initial Tx failure
rxrpc: Don't treat call aborts as conn aborts
xen/acpi: off by one in read_acpi_id()
drivers: macintosh: rack-meter: really fix bogus memsets
ACPI: acpi_pad: Fix memory leak in power saving threads
powerpc/mpic: Check if cpu_possible() in mpic_physmask()
ieee802154: ca8210: fix uninitialised data read
ath10k: advertize beacon_int_min_gcd
iommu/amd: Take into account that alloc_dev_data() may return NULL
intel_th: Use correct method of finding hub
m68k: set dma and coherent masks for platform FEC ethernets
iwlwifi: mvm: check if mac80211_queue is valid in iwl_mvm_disable_txq
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
hwmon: (nct6775) Fix writing pwmX_mode
powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer
powerpc/perf: Fix kernel address leak via sampling registers
rsi: fix kernel panic observed on 64bit machine
tools/thermal: tmon: fix for segfault
selftests: Print the test we're running to /dev/kmsg
net/mlx5: Protect from command bit overflow
watchdog: davinci_wdt: fix error handling in davinci_wdt_probe()
ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk)
nvme-pci: disable APST for Samsung NVMe SSD 960 EVO + ASUS PRIME Z370-A
ath9k: fix crash in spectral scan
cxgb4: Setup FW queues before registering netdev
ima: Fix Kconfig to select TPM 2.0 CRB interface
ima: Fallback to the builtin hash algorithm
watchdog: aspeed: Allow configuring for alternate boot
virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS
arm: dts: socfpga: fix GIC PPI warning
ext4: don't complain about incorrect features when probing
drm/vmwgfx: Unpin the screen object backup buffer when not used
iommu/mediatek: Fix protect memory setting
cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path
IB/mlx5: Set the default active rate and width to QDR and 4X
zorro: Set up z->dev.dma_mask for the DMA API
bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set
remoteproc: imx_rproc: Fix an error handling path in 'imx_rproc_probe()'
dt-bindings: add device tree binding for Allwinner H6 main CCU
ACPICA: Events: add a return on failure from acpi_hw_register_read
ACPICA: Fix memory leak on unusual memory leak
ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
cxgb4: Fix queue free path of ULD drivers
i2c: mv64xxx: Apply errata delay only in standard mode
KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use
perf top: Fix top.call-graph config option reading
perf stat: Fix core dump when flag T is used
IB/core: Honor port_num while resolving GID for IB link layer
drm/amdkfd: add missing include of mm.h
coresight: Use %px to print pcsr instead of %p
regulator: gpio: Fix some error handling paths in 'gpio_regulator_probe()'
spi: bcm-qspi: fIX some error handling paths
net/smc: pay attention to MAX_ORDER for CQ entries
MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset
PCI: Restore config space on runtime resume despite being unbound
watchdog: dw: RMW the control register
watchdog: aspeed: Fix translation of reset mode to ctrl register
ipmi_ssif: Fix kernel panic at msg_done_handler
drm/meson: Fix some error handling paths in 'meson_drv_bind_master()'
drm/meson: Fix an un-handled error path in 'meson_drv_bind_master()'
powerpc: Add missing prototype for arch_irq_work_raise()
powerpc/powernv/npu: Fix deadlock in mmio_invalidate()
cxl: Check if PSL data-cache is available before issue flush request
f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range
f2fs: fix to clear CP_TRIMMED_FLAG
f2fs: fix to check extent cache in f2fs_drop_extent_tree
perf/core: Fix installing cgroup events on CPU
max17042: propagate of_node to power supply device
perf/core: Fix perf_output_read_group()
drm/panel: simple: Fix the bus format for the Ontat panel
hwmon: (pmbus/max8688) Accept negative page register values
hwmon: (pmbus/adm1275) Accept negative page register values
perf/x86/intel: Properly save/restore the PMU state in the NMI handler
cdrom: do not call check_disk_change() inside cdrom_open()
efi/arm*: Only register page tables when they exist
perf/x86/intel: Fix large period handling on Broadwell CPUs
perf/x86/intel: Fix event update for auto-reload
arm64: dts: qcom: Fix SPI5 config on MSM8996
soc: qcom: wcnss_ctrl: Fix increment in NV upload
gfs2: Fix fallocate chunk size
x86/devicetree: Initialize device tree before using it
x86/devicetree: Fix device IRQ settings in DT
phy: rockchip-emmc: retry calpad busy trimming
ALSA: vmaster: Propagate slave error
phy: qcom-qmp: Fix phy pipe clock gating
drm/bridge: sii902x: Retry status read after DDI I2C
tools: hv: fix compiler warnings about major/target_fname
block: null_blk: fix 'Invalid parameters' when loading module
dmaengine: pl330: fix a race condition in case of threaded irqs
dmaengine: rcar-dmac: Check the done lists in rcar_dmac_chan_get_residue()
enic: enable rq before updating rq descriptors
watchdog: asm9260_wdt: fix error handling in asm9260_wdt_probe()
hwrng: stm32 - add reset during probe
pinctrl: devicetree: Fix dt_to_map_one_config handling of hogs
pinctrl: artpec6: dt: add missing pin group uart5nocts
vfio-ccw: fence off transport mode
dmaengine: qcom: bam_dma: get num-channels and num-ees from dt
drm: omapdrm: dss: Move initialization code from component bind to probe
ARM: dts: dra71-evm: Correct evm_sd regulator max voltage
drm/amdgpu: disable GFX ring and disable PQ wptr in hw_fini
drm/amdgpu: adjust timeout for ib_ring_tests(v2)
net: stmmac: ensure that the device has released ownership before reading data
net: stmmac: ensure that the MSS desc is the last desc to set the own bit
cpufreq: Reorder cpufreq_online() error code path
dpaa_eth: fix SG mapping
PCI: Add function 1 DMA alias quirk for Marvell 88SE9220
udf: Provide saner default for invalid uid / gid
ixgbe: prevent ptp_rx_hang from running when in FILTER_ALL mode
sh_eth: fix TSU init on SH7734/R8A7740
power: supply: ltc2941-battery-gauge: Fix temperature units
ARM: dts: bcm283x: Fix probing of bcm2835-i2s
ARM: dts: bcm283x: Fix pin function of JTAG pins
PCMCIA / PM: Avoid noirq suspend aborts during suspend-to-idle
audit: return on memory error to avoid null pointer dereference
net: stmmac: call correct function in stmmac_mac_config_rx_queues_routing()
rcu: Call touch_nmi_watchdog() while printing stall warnings
pinctrl: sh-pfc: r8a7796: Fix MOD_SEL register pin assignment for SSI pins group
dpaa_eth: fix pause capability advertisement logic
MIPS: Octeon: Fix logging messages with spurious periods after newlines
drm/rockchip: Respect page offset for PRIME mmap calls
x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified
perf test: Fix test case inet_pton to accept inlines.
perf report: Fix wrong jump arrow
perf tests: Use arch__compare_symbol_names to compare symbols
perf report: Fix memory corruption in --branch-history mode --branch-history
perf tests: Fix dwarf unwind for stripped binaries
selftests/net: fixes psock_fanout eBPF test case
netlabel: If PF_INET6, check sk_buff ip header version
drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen3
drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen2
ARM: dts: at91: tse850: use the correct compatible for the eeprom
regmap: Correct comparison in regmap_cached
i40e: Add delay after EMP reset for firmware to recover
ARM: dts: imx7d: cl-som-imx7: fix pinctrl_enet
ARM: dts: porter: Fix HDMI output routing
regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()'
pinctrl: msm: Use dynamic GPIO numbering
pinctrl: mcp23s08: spi: Fix regmap debugfs entries
kdb: make "mdr" command repeat
drm/vmwgfx: Set dmabuf_size when vmw_dmabuf_init is successful
Linux 4.14.45
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
index 7eda08e..a2b6a8a 100644
--- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt
@@ -20,6 +20,7 @@
- "allwinner,sun50i-a64-ccu"
- "allwinner,sun50i-a64-r-ccu"
- "allwinner,sun50i-h5-ccu"
+ - "allwinner,sun50i-h6-ccu"
- "nextthing,gr8-ccu"
- reg: Must contain the registers base address and length
@@ -31,6 +32,9 @@
- #clock-cells : must contain 1
- #reset-cells : must contain 1
+For the main CCU on H6, one more clock is needed:
+- "iosc": the SoC's internal frequency oscillator
+
For the PRCM CCUs on A83T/H3/A64, two more clocks are needed:
- "pll-periph": the SoC's peripheral PLL from the main CCU
- "iosc": the SoC's internal frequency oscillator
diff --git a/Documentation/devicetree/bindings/dma/mv-xor-v2.txt b/Documentation/devicetree/bindings/dma/mv-xor-v2.txt
index 217a90e..9c38bbe 100644
--- a/Documentation/devicetree/bindings/dma/mv-xor-v2.txt
+++ b/Documentation/devicetree/bindings/dma/mv-xor-v2.txt
@@ -11,7 +11,11 @@
interrupts.
Optional properties:
-- clocks: Optional reference to the clock used by the XOR engine.
+- clocks: Optional reference to the clocks used by the XOR engine.
+- clock-names: mandatory if there is a second clock, in this case the
+ name must be "core" for the first clock and "reg" for the second
+ one
+
Example:
diff --git a/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
index 47284f8..c3f9826 100644
--- a/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/axis,artpec6-pinctrl.txt
@@ -20,7 +20,8 @@
gpio: cpuclkoutgrp0, udlclkoutgrp0, i2c1grp0, i2c2grp0,
i2c3grp0, i2s0grp0, i2s1grp0, i2srefclkgrp0, spi0grp0,
spi1grp0, pciedebuggrp0, uart0grp0, uart0grp1, uart1grp0,
- uart2grp0, uart2grp1, uart3grp0, uart4grp0, uart5grp0
+ uart2grp0, uart2grp1, uart3grp0, uart4grp0, uart5grp0,
+ uart5nocts
cpuclkout: cpuclkoutgrp0
udlclkout: udlclkoutgrp0
i2c1: i2c1grp0
@@ -37,7 +38,7 @@
uart2: uart2grp0, uart2grp1
uart3: uart3grp0
uart4: uart4grp0
- uart5: uart5grp0
+ uart5: uart5grp0, uart5nocts
nand: nandgrp0
sdio0: sdio0grp0
sdio1: sdio1grp0
diff --git a/Makefile b/Makefile
index 3eb0ad0..e06b7bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 44
+SUBLEVEL = 45
EXTRAVERSION =
NAME = Petit Gorille
diff --git a/arch/alpha/include/asm/xchg.h b/arch/alpha/include/asm/xchg.h
index 68dfb3c..02a7c2f 100644
--- a/arch/alpha/include/asm/xchg.h
+++ b/arch/alpha/include/asm/xchg.h
@@ -12,6 +12,10 @@
* Atomic exchange.
* Since it can be used to implement critical sections
* it must clobber "memory" (also for interrupts in UP).
+ *
+ * The leading and the trailing memory barriers guarantee that these
+ * operations are fully ordered.
+ *
*/
static inline unsigned long
@@ -19,6 +23,7 @@
{
unsigned long ret, tmp, addr64;
+ smp_mb();
__asm__ __volatile__(
" andnot %4,7,%3\n"
" insbl %1,%4,%1\n"
@@ -43,6 +48,7 @@
{
unsigned long ret, tmp, addr64;
+ smp_mb();
__asm__ __volatile__(
" andnot %4,7,%3\n"
" inswl %1,%4,%1\n"
@@ -67,6 +73,7 @@
{
unsigned long dummy;
+ smp_mb();
__asm__ __volatile__(
"1: ldl_l %0,%4\n"
" bis $31,%3,%1\n"
@@ -87,6 +94,7 @@
{
unsigned long dummy;
+ smp_mb();
__asm__ __volatile__(
"1: ldq_l %0,%4\n"
" bis $31,%3,%1\n"
@@ -128,10 +136,12 @@
* store NEW in MEM. Return the initial value in MEM. Success is
* indicated by comparing RETURN with OLD.
*
- * The memory barrier should be placed in SMP only when we actually
- * make the change. If we don't change anything (so if the returned
- * prev is equal to old) then we aren't acquiring anything new and
- * we don't need any memory barrier as far I can tell.
+ * The leading and the trailing memory barriers guarantee that these
+ * operations are fully ordered.
+ *
+ * The trailing memory barrier is placed in SMP unconditionally, in
+ * order to guarantee that dependency ordering is preserved when a
+ * dependency is headed by an unsuccessful operation.
*/
static inline unsigned long
@@ -139,6 +149,7 @@
{
unsigned long prev, tmp, cmp, addr64;
+ smp_mb();
__asm__ __volatile__(
" andnot %5,7,%4\n"
" insbl %1,%5,%1\n"
@@ -150,8 +161,8 @@
" or %1,%2,%2\n"
" stq_c %2,0(%4)\n"
" beq %2,3f\n"
- __ASM__MB
"2:\n"
+ __ASM__MB
".subsection 2\n"
"3: br 1b\n"
".previous"
@@ -166,6 +177,7 @@
{
unsigned long prev, tmp, cmp, addr64;
+ smp_mb();
__asm__ __volatile__(
" andnot %5,7,%4\n"
" inswl %1,%5,%1\n"
@@ -177,8 +189,8 @@
" or %1,%2,%2\n"
" stq_c %2,0(%4)\n"
" beq %2,3f\n"
- __ASM__MB
"2:\n"
+ __ASM__MB
".subsection 2\n"
"3: br 1b\n"
".previous"
@@ -193,6 +205,7 @@
{
unsigned long prev, cmp;
+ smp_mb();
__asm__ __volatile__(
"1: ldl_l %0,%5\n"
" cmpeq %0,%3,%1\n"
@@ -200,8 +213,8 @@
" mov %4,%1\n"
" stl_c %1,%2\n"
" beq %1,3f\n"
- __ASM__MB
"2:\n"
+ __ASM__MB
".subsection 2\n"
"3: br 1b\n"
".previous"
@@ -216,6 +229,7 @@
{
unsigned long prev, cmp;
+ smp_mb();
__asm__ __volatile__(
"1: ldq_l %0,%5\n"
" cmpeq %0,%3,%1\n"
@@ -223,8 +237,8 @@
" mov %4,%1\n"
" stq_c %1,%2\n"
" beq %1,3f\n"
- __ASM__MB
"2:\n"
+ __ASM__MB
".subsection 2\n"
"3: br 1b\n"
".previous"
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index c84e67f..4383313 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -487,7 +487,6 @@
config ARC_EMUL_UNALIGNED
bool "Emulate unaligned memory access (userspace only)"
- default N
select SYSCTL_ARCH_UNALIGN_NO_WARN
select SYSCTL_ARCH_UNALIGN_ALLOW
depends on ISA_ARCOMPACT
diff --git a/arch/arc/include/asm/bug.h b/arch/arc/include/asm/bug.h
index ea022d4..21ec824 100644
--- a/arch/arc/include/asm/bug.h
+++ b/arch/arc/include/asm/bug.h
@@ -23,7 +23,8 @@
#define BUG() do { \
pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
- dump_stack(); \
+ barrier_before_unreachable(); \
+ __builtin_trap(); \
} while (0)
#define HAVE_ARCH_BUG
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index f61a52b..5fe84e4 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -22,10 +22,79 @@
static char smp_cpuinfo_buf[128];
+/*
+ * Set mask to halt GFRC if any online core in SMP cluster is halted.
+ * Only works for ARC HS v3.0+, on earlier versions has no effect.
+ */
+static void mcip_update_gfrc_halt_mask(int cpu)
+{
+ struct bcr_generic gfrc;
+ unsigned long flags;
+ u32 gfrc_halt_mask;
+
+ READ_BCR(ARC_REG_GFRC_BUILD, gfrc);
+
+ /*
+ * CMD_GFRC_SET_CORE and CMD_GFRC_READ_CORE commands were added in
+ * GFRC 0x3 version.
+ */
+ if (gfrc.ver < 0x3)
+ return;
+
+ raw_spin_lock_irqsave(&mcip_lock, flags);
+
+ __mcip_cmd(CMD_GFRC_READ_CORE, 0);
+ gfrc_halt_mask = read_aux_reg(ARC_REG_MCIP_READBACK);
+ gfrc_halt_mask |= BIT(cpu);
+ __mcip_cmd_data(CMD_GFRC_SET_CORE, 0, gfrc_halt_mask);
+
+ raw_spin_unlock_irqrestore(&mcip_lock, flags);
+}
+
+static void mcip_update_debug_halt_mask(int cpu)
+{
+ u32 mcip_mask = 0;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&mcip_lock, flags);
+
+ /*
+ * mcip_mask is same for CMD_DEBUG_SET_SELECT and CMD_DEBUG_SET_MASK
+ * commands. So read it once instead of reading both CMD_DEBUG_READ_MASK
+ * and CMD_DEBUG_READ_SELECT.
+ */
+ __mcip_cmd(CMD_DEBUG_READ_SELECT, 0);
+ mcip_mask = read_aux_reg(ARC_REG_MCIP_READBACK);
+
+ mcip_mask |= BIT(cpu);
+
+ __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, mcip_mask);
+ /*
+ * Parameter specified halt cause:
+ * STATUS32[H]/actionpoint/breakpoint/self-halt
+ * We choose all of them (0xF).
+ */
+ __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xF, mcip_mask);
+
+ raw_spin_unlock_irqrestore(&mcip_lock, flags);
+}
+
static void mcip_setup_per_cpu(int cpu)
{
+ struct mcip_bcr mp;
+
+ READ_BCR(ARC_REG_MCIP_BCR, mp);
+
smp_ipi_irq_setup(cpu, IPI_IRQ);
smp_ipi_irq_setup(cpu, SOFTIRQ_IRQ);
+
+ /* Update GFRC halt mask as new CPU came online */
+ if (mp.gfrc)
+ mcip_update_gfrc_halt_mask(cpu);
+
+ /* Update MCIP debug mask as new CPU came online */
+ if (mp.dbg)
+ mcip_update_debug_halt_mask(cpu);
}
static void mcip_ipi_send(int cpu)
@@ -101,11 +170,6 @@
IS_AVAIL1(mp.gfrc, "GFRC"));
cpuinfo_arc700[0].extn.gfrc = mp.gfrc;
-
- if (mp.dbg) {
- __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, 0xf);
- __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf);
- }
}
struct plat_smp_ops plat_smp_ops = {
diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index 6df9d94..115eecc 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -24,6 +24,7 @@
#include <linux/reboot.h>
#include <linux/irqdomain.h>
#include <linux/export.h>
+#include <linux/of_fdt.h>
#include <asm/processor.h>
#include <asm/setup.h>
@@ -47,6 +48,42 @@
{
}
+static int __init arc_get_cpu_map(const char *name, struct cpumask *cpumask)
+{
+ unsigned long dt_root = of_get_flat_dt_root();
+ const char *buf;
+
+ buf = of_get_flat_dt_prop(dt_root, name, NULL);
+ if (!buf)
+ return -EINVAL;
+
+ if (cpulist_parse(buf, cpumask))
+ return -EINVAL;
+
+ return 0;
+}
+
+/*
+ * Read from DeviceTree and setup cpu possible mask. If there is no
+ * "possible-cpus" property in DeviceTree pretend all [0..NR_CPUS-1] exist.
+ */
+static void __init arc_init_cpu_possible(void)
+{
+ struct cpumask cpumask;
+
+ if (arc_get_cpu_map("possible-cpus", &cpumask)) {
+ pr_warn("Failed to get possible-cpus from dtb, pretending all %u cpus exist\n",
+ NR_CPUS);
+
+ cpumask_setall(&cpumask);
+ }
+
+ if (!cpumask_test_cpu(0, &cpumask))
+ panic("Master cpu (cpu[0]) is missed in cpu possible mask!");
+
+ init_cpu_possible(&cpumask);
+}
+
/*
* Called from setup_arch() before calling setup_processor()
*
@@ -58,10 +95,7 @@
*/
void __init smp_init_cpus(void)
{
- unsigned int i;
-
- for (i = 0; i < NR_CPUS; i++)
- set_cpu_possible(i, true);
+ arc_init_cpu_possible();
if (plat_smp_ops.init_early_smp)
plat_smp_ops.init_early_smp();
@@ -70,16 +104,12 @@
/* called from init ( ) => process 1 */
void __init smp_prepare_cpus(unsigned int max_cpus)
{
- int i;
-
/*
* if platform didn't set the present map already, do it now
* boot cpu is set to present already by init/main.c
*/
- if (num_present_cpus() <= 1) {
- for (i = 0; i < max_cpus; i++)
- set_cpu_present(i, true);
- }
+ if (num_present_cpus() <= 1)
+ init_cpu_present(cpu_possible_mask);
}
void __init smp_cpus_done(unsigned int max_cpus)
diff --git a/arch/arm/boot/dts/at91-tse850-3.dts b/arch/arm/boot/dts/at91-tse850-3.dts
index 5f29010..4ef80a7 100644
--- a/arch/arm/boot/dts/at91-tse850-3.dts
+++ b/arch/arm/boot/dts/at91-tse850-3.dts
@@ -245,7 +245,7 @@
};
eeprom@50 {
- compatible = "nxp,24c02", "atmel,24c02";
+ compatible = "nxp,se97b", "atmel,24c02";
reg = <0x50>;
pagesize = <16>;
};
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index 61e1580..168c002 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -9,7 +9,7 @@
<0x40000000 0x40000000 0x00001000>;
dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
- local_intc: local_intc {
+ local_intc: local_intc@40000000 {
compatible = "brcm,bcm2836-l1-intc";
reg = <0x40000000 0x100>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
index bc1cca5..d5d058a 100644
--- a/arch/arm/boot/dts/bcm2837.dtsi
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -8,7 +8,7 @@
<0x40000000 0x40000000 0x00001000>;
dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
- local_intc: local_intc {
+ local_intc: local_intc@40000000 {
compatible = "brcm,bcm2836-l1-intc";
reg = <0x40000000 0x100>;
interrupt-controller;
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index 013431e..4745e3c 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -251,7 +251,7 @@
jtag_gpio4: jtag_gpio4 {
brcm,pins = <4 5 6 12 13>;
- brcm,function = <BCM2835_FSEL_ALT4>;
+ brcm,function = <BCM2835_FSEL_ALT5>;
};
jtag_gpio22: jtag_gpio22 {
brcm,pins = <22 23 24 25 26 27>;
@@ -396,8 +396,8 @@
i2s: i2s@7e203000 {
compatible = "brcm,bcm2835-i2s";
- reg = <0x7e203000 0x20>,
- <0x7e101098 0x02>;
+ reg = <0x7e203000 0x24>;
+ clocks = <&clocks BCM2835_CLOCK_PCM>;
dmas = <&dma 2>,
<&dma 3>;
diff --git a/arch/arm/boot/dts/bcm958625hr.dts b/arch/arm/boot/dts/bcm958625hr.dts
index 6a44b80..f0e2008 100644
--- a/arch/arm/boot/dts/bcm958625hr.dts
+++ b/arch/arm/boot/dts/bcm958625hr.dts
@@ -49,7 +49,7 @@
memory {
device_type = "memory";
- reg = <0x60000000 0x80000000>;
+ reg = <0x60000000 0x20000000>;
};
gpio-restart {
diff --git a/arch/arm/boot/dts/dra71-evm.dts b/arch/arm/boot/dts/dra71-evm.dts
index 41c9132..64363f7 100644
--- a/arch/arm/boot/dts/dra71-evm.dts
+++ b/arch/arm/boot/dts/dra71-evm.dts
@@ -24,13 +24,13 @@
regulator-name = "vddshv8";
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3000000>;
+ regulator-max-microvolt = <3300000>;
regulator-boot-on;
vin-supply = <&evm_5v0>;
gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>;
states = <1800000 0x0
- 3000000 0x1>;
+ 3300000 0x1>;
};
evm_1v8_sw: fixedregulator-evm_1v8 {
diff --git a/arch/arm/boot/dts/imx6dl-icore-rqs.dts b/arch/arm/boot/dts/imx6dl-icore-rqs.dts
index cf42c2f..1281bc3 100644
--- a/arch/arm/boot/dts/imx6dl-icore-rqs.dts
+++ b/arch/arm/boot/dts/imx6dl-icore-rqs.dts
@@ -42,7 +42,7 @@
/dts-v1/;
-#include "imx6q.dtsi"
+#include "imx6dl.dtsi"
#include "imx6qdl-icore-rqs.dtsi"
/ {
diff --git a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
index ae45af1..3cc1fb9 100644
--- a/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
+++ b/arch/arm/boot/dts/imx7d-cl-som-imx7.dts
@@ -213,37 +213,37 @@
&iomuxc {
pinctrl_enet1: enet1grp {
fsl,pins = <
- MX7D_PAD_SD2_CD_B__ENET1_MDIO 0x3
- MX7D_PAD_SD2_WP__ENET1_MDC 0x3
- MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC 0x1
- MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x1
- MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x1
- MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 0x1
- MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 0x1
- MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x1
- MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC 0x1
- MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x1
- MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x1
- MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 0x1
- MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 0x1
- MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x1
+ MX7D_PAD_SD2_CD_B__ENET1_MDIO 0x30
+ MX7D_PAD_SD2_WP__ENET1_MDC 0x30
+ MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC 0x11
+ MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x11
+ MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x11
+ MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 0x11
+ MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 0x11
+ MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x11
+ MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC 0x11
+ MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x11
+ MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x11
+ MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 0x11
+ MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 0x11
+ MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x11
>;
};
pinctrl_enet2: enet2grp {
fsl,pins = <
- MX7D_PAD_EPDC_GDSP__ENET2_RGMII_TXC 0x1
- MX7D_PAD_EPDC_SDCE2__ENET2_RGMII_TD0 0x1
- MX7D_PAD_EPDC_SDCE3__ENET2_RGMII_TD1 0x1
- MX7D_PAD_EPDC_GDCLK__ENET2_RGMII_TD2 0x1
- MX7D_PAD_EPDC_GDOE__ENET2_RGMII_TD3 0x1
- MX7D_PAD_EPDC_GDRL__ENET2_RGMII_TX_CTL 0x1
- MX7D_PAD_EPDC_SDCE1__ENET2_RGMII_RXC 0x1
- MX7D_PAD_EPDC_SDCLK__ENET2_RGMII_RD0 0x1
- MX7D_PAD_EPDC_SDLE__ENET2_RGMII_RD1 0x1
- MX7D_PAD_EPDC_SDOE__ENET2_RGMII_RD2 0x1
- MX7D_PAD_EPDC_SDSHR__ENET2_RGMII_RD3 0x1
- MX7D_PAD_EPDC_SDCE0__ENET2_RGMII_RX_CTL 0x1
+ MX7D_PAD_EPDC_GDSP__ENET2_RGMII_TXC 0x11
+ MX7D_PAD_EPDC_SDCE2__ENET2_RGMII_TD0 0x11
+ MX7D_PAD_EPDC_SDCE3__ENET2_RGMII_TD1 0x11
+ MX7D_PAD_EPDC_GDCLK__ENET2_RGMII_TD2 0x11
+ MX7D_PAD_EPDC_GDOE__ENET2_RGMII_TD3 0x11
+ MX7D_PAD_EPDC_GDRL__ENET2_RGMII_TX_CTL 0x11
+ MX7D_PAD_EPDC_SDCE1__ENET2_RGMII_RXC 0x11
+ MX7D_PAD_EPDC_SDCLK__ENET2_RGMII_RD0 0x11
+ MX7D_PAD_EPDC_SDLE__ENET2_RGMII_RD1 0x11
+ MX7D_PAD_EPDC_SDOE__ENET2_RGMII_RD2 0x11
+ MX7D_PAD_EPDC_SDSHR__ENET2_RGMII_RD3 0x11
+ MX7D_PAD_EPDC_SDCE0__ENET2_RGMII_RX_CTL 0x11
>;
};
diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index 95da5cb..b6ebe79 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -427,7 +427,7 @@
"dclkin.0", "dclkin.1";
ports {
- port@1 {
+ port@0 {
endpoint {
remote-endpoint = <&adv7511_in>;
};
diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 4916c65..5c0a764 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -261,7 +261,7 @@
max-frequency = <37500000>;
clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>,
<&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
resets = <&cru SRST_SDIO>;
@@ -279,7 +279,7 @@
max-frequency = <37500000>;
clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
<&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
default-sample-phase = <158>;
disable-wp;
dmas = <&pdma 12>;
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 0681442..f59f7cc 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -600,7 +600,7 @@
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
<&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
@@ -613,7 +613,7 @@
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>,
<&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
pinctrl-names = "default";
pinctrl-0 = <&sdio_clk &sdio_cmd &sdio_bus4>;
@@ -628,7 +628,7 @@
max-frequency = <37500000>;
clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
<&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
bus-width = <8>;
default-sample-phase = <158>;
fifo-depth = <0x100>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 356ed1e..f7a951a 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -927,6 +927,7 @@
i2s: i2s@ff890000 {
compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s";
reg = <0x0 0xff890000 0x0 0x10000>;
+ #sound-dai-cells = <0>;
interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
@@ -1122,6 +1123,7 @@
compatible = "rockchip,rk3288-dw-hdmi";
reg = <0x0 0xff980000 0x0 0x20000>;
reg-io-width = <4>;
+ #sound-dai-cells = <0>;
rockchip,grf = <&grf>;
interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 7e24dc8..8d9f42a 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -827,7 +827,7 @@
timer@fffec600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0xfffec600 0x100>;
- interrupts = <1 13 0xf04>;
+ interrupts = <1 13 0xf01>;
clocks = <&mpu_periph_clk>;
};
diff --git a/arch/arm/include/asm/vdso.h b/arch/arm/include/asm/vdso.h
index 9c99e81..5b85889 100644
--- a/arch/arm/include/asm/vdso.h
+++ b/arch/arm/include/asm/vdso.h
@@ -12,8 +12,6 @@
void arm_install_vdso(struct mm_struct *mm, unsigned long addr);
-extern char vdso_start, vdso_end;
-
extern unsigned int vdso_total_pages;
#else /* CONFIG_VDSO */
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
index a4d6dc0..f4dd7f9 100644
--- a/arch/arm/kernel/vdso.c
+++ b/arch/arm/kernel/vdso.c
@@ -39,6 +39,8 @@
static struct page **vdso_text_pagelist;
+extern char vdso_start[], vdso_end[];
+
/* Total number of pages needed for the data and text portions of the VDSO. */
unsigned int vdso_total_pages __ro_after_init;
@@ -197,13 +199,13 @@
unsigned int text_pages;
int i;
- if (memcmp(&vdso_start, "\177ELF", 4)) {
+ if (memcmp(vdso_start, "\177ELF", 4)) {
pr_err("VDSO is not a valid ELF object!\n");
return -ENOEXEC;
}
- text_pages = (&vdso_end - &vdso_start) >> PAGE_SHIFT;
- pr_debug("vdso: %i text pages at base %p\n", text_pages, &vdso_start);
+ text_pages = (vdso_end - vdso_start) >> PAGE_SHIFT;
+ pr_debug("vdso: %i text pages at base %p\n", text_pages, vdso_start);
/* Allocate the VDSO text pagelist */
vdso_text_pagelist = kcalloc(text_pages, sizeof(struct page *),
@@ -218,7 +220,7 @@
for (i = 0; i < text_pages; i++) {
struct page *page;
- page = virt_to_page(&vdso_start + i * PAGE_SIZE);
+ page = virt_to_page(vdso_start + i * PAGE_SIZE);
vdso_text_pagelist[i] = page;
}
@@ -229,7 +231,7 @@
cntvct_ok = cntvct_functional();
- patch_vdso(&vdso_start);
+ patch_vdso(vdso_start);
return 0;
}
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index a3e7807..62eb7d6 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -127,8 +127,8 @@
.dev_id = "da830-mmc.0",
.table = {
/* CD: gpio3_12: gpio60: chip 1 contains gpio range 32-63*/
- GPIO_LOOKUP("davinci_gpio.1", 28, "cd", GPIO_ACTIVE_LOW),
- GPIO_LOOKUP("davinci_gpio.1", 29, "wp", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("davinci_gpio.0", 28, "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("davinci_gpio.0", 29, "wp", GPIO_ACTIVE_LOW),
},
};
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 43e3e18..fa51241 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -1011,17 +1011,17 @@
return -ENOMEM;
c->dent = d;
- d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount);
+ d = debugfs_create_u8("usecount", S_IRUGO, c->dent, &c->usecount);
if (!d) {
err = -ENOMEM;
goto err_out;
}
- d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
+ d = debugfs_create_ulong("rate", S_IRUGO, c->dent, &c->rate);
if (!d) {
err = -ENOMEM;
goto err_out;
}
- d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
+ d = debugfs_create_x8("flags", S_IRUGO, c->dent, &c->flags);
if (!d) {
err = -ENOMEM;
goto err_out;
diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
index 4bb6751..fc5fb77 100644
--- a/arch/arm/mach-omap2/omap-wakeupgen.c
+++ b/arch/arm/mach-omap2/omap-wakeupgen.c
@@ -299,8 +299,6 @@
if (soc_is_dra7xx())
return;
- if (!sar_base)
- sar_base = omap4_get_sar_ram_base();
if (wakeupgen_ops && wakeupgen_ops->save_context)
wakeupgen_ops->save_context();
}
@@ -598,6 +596,8 @@
irq_hotplug_init();
irq_pm_init();
+ sar_base = omap4_get_sar_ram_base();
+
return 0;
}
IRQCHIP_DECLARE(ti_wakeupgen, "ti,omap4-wugen-mpu", wakeupgen_init);
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 366158a..6f68576 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -186,7 +186,7 @@
cpu_idle_poll_ctrl(false);
}
-static void omap_pm_finish(void)
+static void omap_pm_wake(void)
{
if (soc_is_omap34xx())
omap_prcm_irq_complete();
@@ -196,7 +196,7 @@
.begin = omap_pm_begin,
.end = omap_pm_end,
.enter = omap_pm_enter,
- .finish = omap_pm_finish,
+ .wake = omap_pm_wake,
.valid = suspend_valid_only_mem,
};
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index ece09c9..d61fbd7 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -156,12 +156,6 @@
.tick_resume = omap2_gp_timer_shutdown,
};
-static struct property device_disabled = {
- .name = "status",
- .length = sizeof("disabled"),
- .value = "disabled",
-};
-
static const struct of_device_id omap_timer_match[] __initconst = {
{ .compatible = "ti,omap2420-timer", },
{ .compatible = "ti,omap3430-timer", },
@@ -203,8 +197,17 @@
of_get_property(np, "ti,timer-secure", NULL)))
continue;
- if (!of_device_is_compatible(np, "ti,omap-counter32k"))
- of_add_property(np, &device_disabled);
+ if (!of_device_is_compatible(np, "ti,omap-counter32k")) {
+ struct property *prop;
+
+ prop = kzalloc(sizeof(*prop), GFP_KERNEL);
+ if (!prop)
+ return NULL;
+ prop->name = "status";
+ prop->value = "disabled";
+ prop->length = strlen(prop->value);
+ of_add_property(np, prop);
+ }
return np;
}
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 2a7bb6c..a810f4d 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -58,7 +58,6 @@
config MACH_DNS323
bool "D-Link DNS-323"
- select GENERIC_NET_UTILS
select I2C_BOARDINFO if I2C
help
Say 'Y' here if you want your kernel to support the
@@ -66,7 +65,6 @@
config MACH_TS209
bool "QNAP TS-109/TS-209"
- select GENERIC_NET_UTILS
help
Say 'Y' here if you want your kernel to support the
QNAP TS-109/TS-209 platform.
@@ -101,7 +99,6 @@
config MACH_TS409
bool "QNAP TS-409"
- select GENERIC_NET_UTILS
help
Say 'Y' here if you want your kernel to support the
QNAP TS-409 platform.
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index cd483bf..d13344b 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -173,10 +173,42 @@
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
+/* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
+ * functions be kept somewhere?
+ */
+static int __init dns323_parse_hex_nibble(char n)
+{
+ if (n >= '0' && n <= '9')
+ return n - '0';
+
+ if (n >= 'A' && n <= 'F')
+ return n - 'A' + 10;
+
+ if (n >= 'a' && n <= 'f')
+ return n - 'a' + 10;
+
+ return -1;
+}
+
+static int __init dns323_parse_hex_byte(const char *b)
+{
+ int hi;
+ int lo;
+
+ hi = dns323_parse_hex_nibble(b[0]);
+ lo = dns323_parse_hex_nibble(b[1]);
+
+ if (hi < 0 || lo < 0)
+ return -1;
+
+ return (hi << 4) | lo;
+}
+
static int __init dns323_read_mac_addr(void)
{
u_int8_t addr[6];
- void __iomem *mac_page;
+ int i;
+ char *mac_page;
/* MAC address is stored as a regular ol' string in /dev/mtdblock4
* (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
@@ -185,8 +217,23 @@
if (!mac_page)
return -ENOMEM;
- if (!mac_pton((__force const char *) mac_page, addr))
- goto error_fail;
+ /* Sanity check the string we're looking at */
+ for (i = 0; i < 5; i++) {
+ if (*(mac_page + (i * 3) + 2) != ':') {
+ goto error_fail;
+ }
+ }
+
+ for (i = 0; i < 6; i++) {
+ int byte;
+
+ byte = dns323_parse_hex_byte(mac_page + (i * 3));
+ if (byte < 0) {
+ goto error_fail;
+ }
+
+ addr[i] = byte;
+ }
iounmap(mac_page);
printk("DNS-323: Found ethernet MAC address: %pM\n", addr);
diff --git a/arch/arm/mach-orion5x/tsx09-common.c b/arch/arm/mach-orion5x/tsx09-common.c
index 8977498..905d4f2 100644
--- a/arch/arm/mach-orion5x/tsx09-common.c
+++ b/arch/arm/mach-orion5x/tsx09-common.c
@@ -53,12 +53,53 @@
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
+static int __init qnap_tsx09_parse_hex_nibble(char n)
+{
+ if (n >= '0' && n <= '9')
+ return n - '0';
+
+ if (n >= 'A' && n <= 'F')
+ return n - 'A' + 10;
+
+ if (n >= 'a' && n <= 'f')
+ return n - 'a' + 10;
+
+ return -1;
+}
+
+static int __init qnap_tsx09_parse_hex_byte(const char *b)
+{
+ int hi;
+ int lo;
+
+ hi = qnap_tsx09_parse_hex_nibble(b[0]);
+ lo = qnap_tsx09_parse_hex_nibble(b[1]);
+
+ if (hi < 0 || lo < 0)
+ return -1;
+
+ return (hi << 4) | lo;
+}
+
static int __init qnap_tsx09_check_mac_addr(const char *addr_str)
{
u_int8_t addr[6];
+ int i;
- if (!mac_pton(addr_str, addr))
- return -1;
+ for (i = 0; i < 6; i++) {
+ int byte;
+
+ /*
+ * Enforce "xx:xx:xx:xx:xx:xx\n" format.
+ */
+ if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n'))
+ return -1;
+
+ byte = qnap_tsx09_parse_hex_byte(addr_str + (i * 3));
+ if (byte < 0)
+ return -1;
+ addr[i] = byte;
+ }
printk(KERN_INFO "tsx09: found ethernet mac address %pM\n", addr);
@@ -77,12 +118,12 @@
unsigned long addr;
for (addr = mem_base; addr < (mem_base + size); addr += 1024) {
- void __iomem *nor_page;
+ char *nor_page;
int ret = 0;
nor_page = ioremap(addr, 1024);
if (nor_page != NULL) {
- ret = qnap_tsx09_check_mac_addr((__force const char *)nor_page);
+ ret = qnap_tsx09_check_mac_addr(nor_page);
iounmap(nor_page);
}
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 7a327bd..ebef8aa 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -890,11 +890,8 @@
timer->irq = irq->start;
timer->pdev = pdev;
- /* Skip pm_runtime_enable for OMAP1 */
- if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) {
- pm_runtime_enable(dev);
- pm_runtime_irq_safe(dev);
- }
+ pm_runtime_enable(dev);
+ pm_runtime_irq_safe(dev);
if (!timer->reserved) {
ret = pm_runtime_get_sync(dev);
diff --git a/arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi b/arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi
index 4220fbd..ff5c4c4 100644
--- a/arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi
@@ -98,7 +98,7 @@
clock-output-names = "clk125mhz";
};
- pci {
+ pcie@30000000 {
compatible = "pci-host-ecam-generic";
device_type = "pci";
#interrupt-cells = <1>;
@@ -118,6 +118,7 @@
ranges =
<0x02000000 0 0x40000000 0 0x40000000 0 0x20000000
0x43000000 0x40 0x00000000 0x40 0x00000000 0x20 0x00000000>;
+ bus-range = <0 0xff>;
interrupt-map-mask = <0 0 0 7>;
interrupt-map =
/* addr pin ic icaddr icintr */
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 887b61c..ab00be2 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -484,8 +484,8 @@
blsp2_spi5: spi@075ba000{
compatible = "qcom,spi-qup-v2.2.1";
reg = <0x075ba000 0x600>;
- interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&gcc GCC_BLSP2_QUP5_SPI_APPS_CLK>,
+ interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP2_QUP6_SPI_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
pinctrl-names = "default", "sleep";
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
index d4f8078..2825772 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -136,11 +136,12 @@
phy-mode = "rgmii";
pinctrl-names = "default";
pinctrl-0 = <&rgmiim1_pins>;
+ snps,force_thresh_dma_mode;
snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
snps,reset-delays-us = <0 10000 50000>;
- tx_delay = <0x26>;
- rx_delay = <0x11>;
+ tx_delay = <0x24>;
+ rx_delay = <0x18>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 41d6184..d70e409 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -683,7 +683,7 @@
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
<&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
status = "disabled";
};
@@ -694,7 +694,7 @@
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>,
<&cru SCLK_SDIO_DRV>, <&cru SCLK_SDIO_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
status = "disabled";
};
@@ -705,7 +705,7 @@
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
<&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 1070c82..2313aea 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -257,7 +257,7 @@
max-frequency = <150000000>;
clocks = <&cru HCLK_SDIO0>, <&cru SCLK_SDIO0>,
<&cru SCLK_SDIO0_DRV>, <&cru SCLK_SDIO0_SAMPLE>;
- clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+ clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
fifo-depth = <0x100>;
interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
resets = <&cru SRST_SDIO0>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
index 199a511..264a6bb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi
@@ -406,8 +406,9 @@
wlan_pd_n: wlan-pd-n {
compatible = "regulator-fixed";
regulator-name = "wlan_pd_n";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_module_reset_l>;
- /* Note the wlan_module_reset_l pinctrl */
enable-active-high;
gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
@@ -940,12 +941,6 @@
pinctrl-0 = <
&ap_pwroff /* AP will auto-assert this when in S3 */
&clk_32k /* This pin is always 32k on gru boards */
-
- /*
- * We want this driven low ASAP; firmware should help us, but
- * we can help ourselves too.
- */
- &wlan_module_reset_l
>;
pcfg_output_low: pcfg-output-low {
@@ -1125,12 +1120,7 @@
};
wlan_module_reset_l: wlan-module-reset-l {
- /*
- * We want this driven low ASAP (As {Soon,Strongly} As
- * Possible), to avoid leakage through the powered-down
- * WiFi.
- */
- rockchip,pins = <1 11 RK_FUNC_GPIO &pcfg_output_low>;
+ rockchip,pins = <1 11 RK_FUNC_GPIO &pcfg_pull_none>;
};
bt_host_wake_l: bt-host-wake-l {
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
index 0f873c8..ce592a4 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
@@ -457,7 +457,7 @@
assigned-clocks = <&cru SCLK_PCIEPHY_REF>;
assigned-clock-parents = <&cru SCLK_PCIEPHY_REF100M>;
assigned-clock-rates = <100000000>;
- ep-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_HIGH>;
+ ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
num-lanes = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_clkreqn_cpm>;
diff --git a/arch/arm64/include/asm/atomic_lse.h b/arch/arm64/include/asm/atomic_lse.h
index 9ef0797..f9b0b09 100644
--- a/arch/arm64/include/asm/atomic_lse.h
+++ b/arch/arm64/include/asm/atomic_lse.h
@@ -117,7 +117,7 @@
/* LSE atomics */
" mvn %w[i], %w[i]\n"
" stclr %w[i], %[v]")
- : [i] "+r" (w0), [v] "+Q" (v->counter)
+ : [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@@ -135,7 +135,7 @@
/* LSE atomics */ \
" mvn %w[i], %w[i]\n" \
" ldclr" #mb " %w[i], %w[i], %[v]") \
- : [i] "+r" (w0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@@ -161,7 +161,7 @@
/* LSE atomics */
" neg %w[i], %w[i]\n"
" stadd %w[i], %[v]")
- : [i] "+r" (w0), [v] "+Q" (v->counter)
+ : [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@@ -180,7 +180,7 @@
" neg %w[i], %w[i]\n" \
" ldadd" #mb " %w[i], w30, %[v]\n" \
" add %w[i], %w[i], w30") \
- : [i] "+r" (w0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS , ##cl); \
\
@@ -207,7 +207,7 @@
/* LSE atomics */ \
" neg %w[i], %w[i]\n" \
" ldadd" #mb " %w[i], %w[i], %[v]") \
- : [i] "+r" (w0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@@ -314,7 +314,7 @@
/* LSE atomics */
" mvn %[i], %[i]\n"
" stclr %[i], %[v]")
- : [i] "+r" (x0), [v] "+Q" (v->counter)
+ : [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@@ -332,7 +332,7 @@
/* LSE atomics */ \
" mvn %[i], %[i]\n" \
" ldclr" #mb " %[i], %[i], %[v]") \
- : [i] "+r" (x0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@@ -358,7 +358,7 @@
/* LSE atomics */
" neg %[i], %[i]\n"
" stadd %[i], %[v]")
- : [i] "+r" (x0), [v] "+Q" (v->counter)
+ : [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@@ -377,7 +377,7 @@
" neg %[i], %[i]\n" \
" ldadd" #mb " %[i], x30, %[v]\n" \
" add %[i], %[i], x30") \
- : [i] "+r" (x0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@@ -404,7 +404,7 @@
/* LSE atomics */ \
" neg %[i], %[i]\n" \
" ldadd" #mb " %[i], %[i], %[v]") \
- : [i] "+r" (x0), [v] "+Q" (v->counter) \
+ : [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@@ -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");
@@ -516,7 +516,7 @@
" eor %[old1], %[old1], %[oldval1]\n" \
" eor %[old2], %[old2], %[oldval2]\n" \
" orr %[old1], %[old1], %[old2]") \
- : [old1] "+r" (x0), [old2] "+r" (x1), \
+ : [old1] "+&r" (x0), [old2] "+&r" (x1), \
[v] "+Q" (*(unsigned long *)ptr) \
: [new1] "r" (x2), [new2] "r" (x3), [ptr] "r" (x4), \
[oldval1] "r" (oldval1), [oldval2] "r" (oldval2) \
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h
index 6ad3077..9939075 100644
--- a/arch/arm64/include/asm/stacktrace.h
+++ b/arch/arm64/include/asm/stacktrace.h
@@ -27,7 +27,7 @@
unsigned long fp;
unsigned long pc;
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- unsigned int graph;
+ int graph;
#endif
};
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 52f15cd..b5a2833 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -178,7 +178,7 @@
case PSCI_CONDUIT_HVC:
arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
ARM_SMCCC_ARCH_WORKAROUND_1, &res);
- if (res.a0)
+ if ((int)res.a0 < 0)
return 0;
cb = call_hvc_arch_workaround_1;
smccc_start = __smccc_workaround_1_hvc_start;
@@ -188,7 +188,7 @@
case PSCI_CONDUIT_SMC:
arm_smccc_1_1_smc(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
ARM_SMCCC_ARCH_WORKAROUND_1, &res);
- if (res.a0)
+ if ((int)res.a0 < 0)
return 0;
cb = call_smc_arch_workaround_1;
smccc_start = __smccc_workaround_1_smc_start;
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 9eaef51..1984e73 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -914,9 +914,9 @@
int pmuver;
dfr0 = read_sysreg(id_aa64dfr0_el1);
- pmuver = cpuid_feature_extract_signed_field(dfr0,
+ pmuver = cpuid_feature_extract_unsigned_field(dfr0,
ID_AA64DFR0_PMUVER_SHIFT);
- if (pmuver < 1)
+ if (pmuver == 0xf || pmuver == 0)
return;
probe->present = true;
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 76809cc..d5718a0 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -59,6 +59,11 @@
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
if (tsk->ret_stack &&
(frame->pc == (unsigned long)return_to_handler)) {
+ if (WARN_ON_ONCE(frame->graph == -1))
+ return -EINVAL;
+ if (frame->graph < -1)
+ frame->graph += FTRACE_NOTRACE_DEPTH;
+
/*
* This is a case where function graph tracer has
* modified a return address (LR) in a stack frame
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index a439128..f258636 100644
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -52,7 +52,7 @@
frame.fp = regs->regs[29];
frame.pc = regs->pc;
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- frame.graph = -1; /* no task info */
+ frame.graph = current->curr_ret_stack;
#endif
do {
int ret = unwind_frame(NULL, &frame);
diff --git a/arch/cris/include/arch-v10/arch/bug.h b/arch/cris/include/arch-v10/arch/bug.h
index 905afea..06da9d4 100644
--- a/arch/cris/include/arch-v10/arch/bug.h
+++ b/arch/cris/include/arch-v10/arch/bug.h
@@ -44,18 +44,25 @@
* not be used like this with newer versions of gcc.
*/
#define BUG() \
+do { \
__asm__ __volatile__ ("clear.d [" __stringify(BUG_MAGIC) "]\n\t"\
"movu.w " __stringify(__LINE__) ",$r0\n\t"\
"jump 0f\n\t" \
".section .rodata\n" \
"0:\t.string \"" __FILE__ "\"\n\t" \
- ".previous")
+ ".previous"); \
+ unreachable(); \
+} while (0)
#endif
#else
/* This just causes an oops. */
-#define BUG() (*(int *)0 = 0)
+#define BUG() \
+do { \
+ barrier_before_unreachable(); \
+ __builtin_trap(); \
+} while (0)
#endif
diff --git a/arch/ia64/include/asm/bug.h b/arch/ia64/include/asm/bug.h
index bd3eeb8..66b37a5 100644
--- a/arch/ia64/include/asm/bug.h
+++ b/arch/ia64/include/asm/bug.h
@@ -4,7 +4,11 @@
#ifdef CONFIG_BUG
#define ia64_abort() __builtin_trap()
-#define BUG() do { printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); ia64_abort(); } while (0)
+#define BUG() do { \
+ printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+ barrier_before_unreachable(); \
+ ia64_abort(); \
+} while (0)
/* should this BUG be made generic? */
#define HAVE_ARCH_BUG
diff --git a/arch/ia64/kernel/err_inject.c b/arch/ia64/kernel/err_inject.c
index 85bba43..658a8e0 100644
--- a/arch/ia64/kernel/err_inject.c
+++ b/arch/ia64/kernel/err_inject.c
@@ -142,7 +142,7 @@
u64 virt_addr=simple_strtoull(buf, NULL, 16);
int ret;
- ret = get_user_pages(virt_addr, 1, FOLL_WRITE, NULL, NULL);
+ ret = get_user_pages_fast(virt_addr, 1, FOLL_WRITE, NULL);
if (ret<=0) {
#ifdef ERR_INJ_DEBUG
printk("Virtual address %lx is not existing.\n",virt_addr);
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index 84938fd..908d583 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -135,7 +135,11 @@
.id = 0,
.num_resources = ARRAY_SIZE(mcf_fec0_resources),
.resource = mcf_fec0_resources,
- .dev.platform_data = FEC_PDATA,
+ .dev = {
+ .dma_mask = &mcf_fec0.dev.coherent_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = FEC_PDATA,
+ }
};
#ifdef MCFFEC_BASE1
@@ -167,7 +171,11 @@
.id = 1,
.num_resources = ARRAY_SIZE(mcf_fec1_resources),
.resource = mcf_fec1_resources,
- .dev.platform_data = FEC_PDATA,
+ .dev = {
+ .dma_mask = &mcf_fec1.dev.coherent_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = FEC_PDATA,
+ }
};
#endif /* MCFFEC_BASE1 */
#endif /* CONFIG_FEC */
diff --git a/arch/m68k/include/asm/bug.h b/arch/m68k/include/asm/bug.h
index b7e2bf1..275dca1 100644
--- a/arch/m68k/include/asm/bug.h
+++ b/arch/m68k/include/asm/bug.h
@@ -8,16 +8,19 @@
#ifndef CONFIG_SUN3
#define BUG() do { \
pr_crit("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+ barrier_before_unreachable(); \
__builtin_trap(); \
} while (0)
#else
#define BUG() do { \
pr_crit("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+ barrier_before_unreachable(); \
panic("BUG!"); \
} while (0)
#endif
#else
#define BUG() do { \
+ barrier_before_unreachable(); \
__builtin_trap(); \
} while (0)
#endif
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index d99f524..b3aec10 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -2271,7 +2271,7 @@
parent_irq = irq_of_parse_and_map(ciu_node, 0);
if (!parent_irq) {
- pr_err("ERROR: Couldn't acquire parent_irq for %s\n.",
+ pr_err("ERROR: Couldn't acquire parent_irq for %s\n",
ciu_node->name);
return -EINVAL;
}
@@ -2283,7 +2283,7 @@
addr = of_get_address(ciu_node, 0, NULL, NULL);
if (!addr) {
- pr_err("ERROR: Couldn't acquire reg(0) %s\n.", ciu_node->name);
+ pr_err("ERROR: Couldn't acquire reg(0) %s\n", ciu_node->name);
return -EINVAL;
}
host_data->raw_reg = (u64)phys_to_virt(
@@ -2291,7 +2291,7 @@
addr = of_get_address(ciu_node, 1, NULL, NULL);
if (!addr) {
- pr_err("ERROR: Couldn't acquire reg(1) %s\n.", ciu_node->name);
+ pr_err("ERROR: Couldn't acquire reg(1) %s\n", ciu_node->name);
return -EINVAL;
}
host_data->en_reg = (u64)phys_to_virt(
@@ -2299,7 +2299,7 @@
r = of_property_read_u32(ciu_node, "cavium,max-bits", &val);
if (r) {
- pr_err("ERROR: Couldn't read cavium,max-bits from %s\n.",
+ pr_err("ERROR: Couldn't read cavium,max-bits from %s\n",
ciu_node->name);
return r;
}
@@ -2309,7 +2309,7 @@
&octeon_irq_domain_cib_ops,
host_data);
if (!cib_domain) {
- pr_err("ERROR: Couldn't irq_domain_add_linear()\n.");
+ pr_err("ERROR: Couldn't irq_domain_add_linear()\n");
return -ENOMEM;
}
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index aa3800c..d99ca86 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -167,7 +167,7 @@
#define AR71XX_AHB_DIV_MASK 0x7
#define AR724X_PLL_REG_CPU_CONFIG 0x00
-#define AR724X_PLL_REG_PCIE_CONFIG 0x18
+#define AR724X_PLL_REG_PCIE_CONFIG 0x10
#define AR724X_PLL_FB_SHIFT 0
#define AR724X_PLL_FB_MASK 0x3ff
diff --git a/arch/mips/include/asm/machine.h b/arch/mips/include/asm/machine.h
index e0d9b37..f83879d 100644
--- a/arch/mips/include/asm/machine.h
+++ b/arch/mips/include/asm/machine.h
@@ -52,7 +52,7 @@
if (!mach->matches)
return NULL;
- for (match = mach->matches; match->compatible; match++) {
+ for (match = mach->matches; match->compatible[0]; match++) {
if (fdt_node_check_compatible(fdt, 0, match->compatible) == 0)
return match;
}
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index c552c20..006105f 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -454,7 +454,7 @@
/*
* Copy the floating-point context to the supplied NT_PRFPREG buffer.
* Choose the appropriate helper for general registers, and then copy
- * the FCSR register separately.
+ * the FCSR and FIR registers separately.
*/
static int fpr_get(struct task_struct *target,
const struct user_regset *regset,
@@ -462,6 +462,7 @@
void *kbuf, void __user *ubuf)
{
const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t);
+ const int fir_pos = fcr31_pos + sizeof(u32);
int err;
if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t))
@@ -474,6 +475,12 @@
err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
&target->thread.fpu.fcr31,
fcr31_pos, fcr31_pos + sizeof(u32));
+ if (err)
+ return err;
+
+ err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ &boot_cpu_data.fpu_id,
+ fir_pos, fir_pos + sizeof(u32));
return err;
}
@@ -522,7 +529,8 @@
/*
* Copy the supplied NT_PRFPREG buffer to the floating-point context.
* Choose the appropriate helper for general registers, and then copy
- * the FCSR register separately.
+ * the FCSR register separately. Ignore the incoming FIR register
+ * contents though, as the register is read-only.
*
* We optimize for the case where `count % sizeof(elf_fpreg_t) == 0',
* which is supposed to have been guaranteed by the kernel before
@@ -536,6 +544,7 @@
const void *kbuf, const void __user *ubuf)
{
const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t);
+ const int fir_pos = fcr31_pos + sizeof(u32);
u32 fcr31;
int err;
@@ -563,6 +572,11 @@
ptrace_setfcr31(target, fcr31);
}
+ if (count > 0)
+ err = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ fir_pos,
+ fir_pos + sizeof(u32));
+
return err;
}
@@ -784,7 +798,7 @@
fregs = get_fpu_regs(child);
#ifdef CONFIG_32BIT
- if (test_thread_flag(TIF_32BIT_FPREGS)) {
+ if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) {
/*
* The odd registers are actually the high
* order bits of the values stored in the even
@@ -873,7 +887,7 @@
init_fp_ctx(child);
#ifdef CONFIG_32BIT
- if (test_thread_flag(TIF_32BIT_FPREGS)) {
+ if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) {
/*
* The odd registers are actually the high
* order bits of the values stored in the even
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 40e212d..4a157d32 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -98,7 +98,7 @@
break;
}
fregs = get_fpu_regs(child);
- if (test_thread_flag(TIF_32BIT_FPREGS)) {
+ if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) {
/*
* The odd registers are actually the high
* order bits of the values stored in the even
@@ -205,7 +205,7 @@
sizeof(child->thread.fpu));
child->thread.fpu.fcr31 = 0;
}
- if (test_thread_flag(TIF_32BIT_FPREGS)) {
+ if (test_tsk_thread_flag(child, TIF_32BIT_FPREGS)) {
/*
* The odd registers are actually the high
* order bits of the values stored in the even
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 75fdeaa..9730ba7 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -45,7 +45,7 @@
{ "cache", VCPU_STAT(cache_exits), KVM_STAT_VCPU },
{ "signal", VCPU_STAT(signal_exits), KVM_STAT_VCPU },
{ "interrupt", VCPU_STAT(int_exits), KVM_STAT_VCPU },
- { "cop_unsuable", VCPU_STAT(cop_unusable_exits), KVM_STAT_VCPU },
+ { "cop_unusable", VCPU_STAT(cop_unusable_exits), KVM_STAT_VCPU },
{ "tlbmod", VCPU_STAT(tlbmod_exits), KVM_STAT_VCPU },
{ "tlbmiss_ld", VCPU_STAT(tlbmiss_ld_exits), KVM_STAT_VCPU },
{ "tlbmiss_st", VCPU_STAT(tlbmiss_st_exits), KVM_STAT_VCPU },
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 6f534b20..e12dfa4 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -851,9 +851,12 @@
/*
* Either no secondary cache or the available caches don't have the
* subset property so we have to flush the primary caches
- * explicitly
+ * explicitly.
+ * If we would need IPI to perform an INDEX-type operation, then
+ * we have to use the HIT-type alternative as IPI cannot be used
+ * here due to interrupts possibly being disabled.
*/
- if (size >= dcache_size) {
+ if (!r4k_op_needs_ipi(R4K_INDEX) && size >= dcache_size) {
r4k_blast_dcache();
} else {
R4600_HIT_CACHEOP_WAR_IMPL;
@@ -890,7 +893,7 @@
return;
}
- if (size >= dcache_size) {
+ if (!r4k_op_needs_ipi(R4K_INDEX) && size >= dcache_size) {
r4k_blast_dcache();
} else {
R4600_HIT_CACHEOP_WAR_IMPL;
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 6519741..b479926 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -101,7 +101,8 @@
libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c
libfdtheader := fdt.h libfdt.h libfdt_internal.h
-$(addprefix $(obj)/,$(libfdt) libfdt-wrapper.o simpleboot.o epapr.o opal.o): \
+$(addprefix $(obj)/,$(libfdt) libfdt-wrapper.o simpleboot.o epapr.o opal.o \
+ treeboot-akebono.o treeboot-currituck.o treeboot-iss4xx.o): \
$(addprefix $(obj)/,$(libfdtheader))
src-wlib-y := string.S crt0.S stdio.c decompress.c main.c \
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index ccf10c2..c3bdd2d 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -69,6 +69,27 @@
*/
#define EX_R3 EX_DAR
+#define STF_ENTRY_BARRIER_SLOT \
+ STF_ENTRY_BARRIER_FIXUP_SECTION; \
+ nop; \
+ nop; \
+ nop
+
+#define STF_EXIT_BARRIER_SLOT \
+ STF_EXIT_BARRIER_FIXUP_SECTION; \
+ nop; \
+ nop; \
+ nop; \
+ nop; \
+ nop; \
+ nop
+
+/*
+ * r10 must be free to use, r13 must be paca
+ */
+#define INTERRUPT_TO_KERNEL \
+ STF_ENTRY_BARRIER_SLOT
+
/*
* Macros for annotating the expected destination of (h)rfid
*
@@ -85,16 +106,19 @@
rfid
#define RFI_TO_USER \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
rfid; \
b rfi_flush_fallback
#define RFI_TO_USER_OR_KERNEL \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
rfid; \
b rfi_flush_fallback
#define RFI_TO_GUEST \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
rfid; \
b rfi_flush_fallback
@@ -103,21 +127,25 @@
hrfid
#define HRFI_TO_USER \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
hrfid; \
b hrfi_flush_fallback
#define HRFI_TO_USER_OR_KERNEL \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
hrfid; \
b hrfi_flush_fallback
#define HRFI_TO_GUEST \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
hrfid; \
b hrfi_flush_fallback
#define HRFI_TO_UNKNOWN \
+ STF_EXIT_BARRIER_SLOT; \
RFI_FLUSH_SLOT; \
hrfid; \
b hrfi_flush_fallback
@@ -249,6 +277,7 @@
#define __EXCEPTION_PROLOG_1(area, extra, vec) \
OPT_SAVE_REG_TO_PACA(area+EX_PPR, r9, CPU_FTR_HAS_PPR); \
OPT_SAVE_REG_TO_PACA(area+EX_CFAR, r10, CPU_FTR_CFAR); \
+ INTERRUPT_TO_KERNEL; \
SAVE_CTR(r10, area); \
mfcr r9; \
extra(vec); \
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h
index 1e82eb3..a9b64df 100644
--- a/arch/powerpc/include/asm/feature-fixups.h
+++ b/arch/powerpc/include/asm/feature-fixups.h
@@ -187,6 +187,22 @@
FTR_ENTRY_OFFSET label##1b-label##3b; \
.popsection;
+#define STF_ENTRY_BARRIER_FIXUP_SECTION \
+953: \
+ .pushsection __stf_entry_barrier_fixup,"a"; \
+ .align 2; \
+954: \
+ FTR_ENTRY_OFFSET 953b-954b; \
+ .popsection;
+
+#define STF_EXIT_BARRIER_FIXUP_SECTION \
+955: \
+ .pushsection __stf_exit_barrier_fixup,"a"; \
+ .align 2; \
+956: \
+ FTR_ENTRY_OFFSET 955b-956b; \
+ .popsection;
+
#define RFI_FLUSH_FIXUP_SECTION \
951: \
.pushsection __rfi_flush_fixup,"a"; \
@@ -199,6 +215,9 @@
#ifndef __ASSEMBLY__
#include <linux/types.h>
+extern long stf_barrier_fallback;
+extern long __start___stf_entry_barrier_fixup, __stop___stf_entry_barrier_fixup;
+extern long __start___stf_exit_barrier_fixup, __stop___stf_exit_barrier_fixup;
extern long __start___rfi_flush_fixup, __stop___rfi_flush_fixup;
void apply_feature_fixups(void);
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index eca3f9c..5a740fe 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -337,6 +337,9 @@
#define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
#define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
#define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
+#define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
+#define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
+#define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
#define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
#define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
diff --git a/arch/powerpc/include/asm/irq_work.h b/arch/powerpc/include/asm/irq_work.h
index c6d3078..b8b0be8 100644
--- a/arch/powerpc/include/asm/irq_work.h
+++ b/arch/powerpc/include/asm/irq_work.h
@@ -6,5 +6,6 @@
{
return true;
}
+extern void arch_irq_work_raise(void);
#endif /* _ASM_POWERPC_IRQ_WORK_H */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index b8366df..e6bd593 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -238,8 +238,7 @@
*/
u64 exrfi[EX_SIZE] __aligned(0x80);
void *rfi_flush_fallback_area;
- u64 l1d_flush_congruence;
- u64 l1d_flush_sets;
+ u64 l1d_flush_size;
#endif
};
diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h
new file mode 100644
index 0000000..44989b2
--- /dev/null
+++ b/arch/powerpc/include/asm/security_features.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Security related feature bit definitions.
+ *
+ * Copyright 2018, Michael Ellerman, IBM Corporation.
+ */
+
+#ifndef _ASM_POWERPC_SECURITY_FEATURES_H
+#define _ASM_POWERPC_SECURITY_FEATURES_H
+
+
+extern unsigned long powerpc_security_features;
+extern bool rfi_flush;
+
+/* These are bit flags */
+enum stf_barrier_type {
+ STF_BARRIER_NONE = 0x1,
+ STF_BARRIER_FALLBACK = 0x2,
+ STF_BARRIER_EIEIO = 0x4,
+ STF_BARRIER_SYNC_ORI = 0x8,
+};
+
+void setup_stf_barrier(void);
+void do_stf_barrier_fixups(enum stf_barrier_type types);
+
+static inline void security_ftr_set(unsigned long feature)
+{
+ powerpc_security_features |= feature;
+}
+
+static inline void security_ftr_clear(unsigned long feature)
+{
+ powerpc_security_features &= ~feature;
+}
+
+static inline bool security_ftr_enabled(unsigned long feature)
+{
+ return !!(powerpc_security_features & feature);
+}
+
+
+// Features indicating support for Spectre/Meltdown mitigations
+
+// The L1-D cache can be flushed with ori r30,r30,0
+#define SEC_FTR_L1D_FLUSH_ORI30 0x0000000000000001ull
+
+// The L1-D cache can be flushed with mtspr 882,r0 (aka SPRN_TRIG2)
+#define SEC_FTR_L1D_FLUSH_TRIG2 0x0000000000000002ull
+
+// ori r31,r31,0 acts as a speculation barrier
+#define SEC_FTR_SPEC_BAR_ORI31 0x0000000000000004ull
+
+// Speculation past bctr is disabled
+#define SEC_FTR_BCCTRL_SERIALISED 0x0000000000000008ull
+
+// Entries in L1-D are private to a SMT thread
+#define SEC_FTR_L1D_THREAD_PRIV 0x0000000000000010ull
+
+// Indirect branch prediction cache disabled
+#define SEC_FTR_COUNT_CACHE_DISABLED 0x0000000000000020ull
+
+
+// Features indicating need for Spectre/Meltdown mitigations
+
+// The L1-D cache should be flushed on MSR[HV] 1->0 transition (hypervisor to guest)
+#define SEC_FTR_L1D_FLUSH_HV 0x0000000000000040ull
+
+// The L1-D cache should be flushed on MSR[PR] 0->1 transition (kernel to userspace)
+#define SEC_FTR_L1D_FLUSH_PR 0x0000000000000080ull
+
+// A speculation barrier should be used for bounds checks (Spectre variant 1)
+#define SEC_FTR_BNDS_CHK_SPEC_BAR 0x0000000000000100ull
+
+// Firmware configuration indicates user favours security over performance
+#define SEC_FTR_FAVOUR_SECURITY 0x0000000000000200ull
+
+
+// Features enabled by default
+#define SEC_FTR_DEFAULT \
+ (SEC_FTR_L1D_FLUSH_HV | \
+ SEC_FTR_L1D_FLUSH_PR | \
+ SEC_FTR_BNDS_CHK_SPEC_BAR | \
+ SEC_FTR_FAVOUR_SECURITY)
+
+#endif /* _ASM_POWERPC_SECURITY_FEATURES_H */
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index 469b7fd..bbcdf929 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -49,7 +49,7 @@
L1D_FLUSH_MTTRIG = 0x8,
};
-void __init setup_rfi_flush(enum l1d_flush_type, bool enable);
+void setup_rfi_flush(enum l1d_flush_type, bool enable);
void do_rfi_flush_fixups(enum l1d_flush_type types);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 6c6cce9..1479c61 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -42,7 +42,7 @@
obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
-obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
+obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o security.o
obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
obj-$(CONFIG_PPC64) += vdso64/
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 748cdc4..2e5ea30 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -239,8 +239,7 @@
OFFSET(PACA_IN_NMI, paca_struct, in_nmi);
OFFSET(PACA_RFI_FLUSH_FALLBACK_AREA, paca_struct, rfi_flush_fallback_area);
OFFSET(PACA_EXRFI, paca_struct, exrfi);
- OFFSET(PACA_L1D_FLUSH_CONGRUENCE, paca_struct, l1d_flush_congruence);
- OFFSET(PACA_L1D_FLUSH_SETS, paca_struct, l1d_flush_sets);
+ OFFSET(PACA_L1D_FLUSH_SIZE, paca_struct, l1d_flush_size);
#endif
OFFSET(PACAHWCPUID, paca_struct, hw_cpu_id);
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 679bbe7..9daede9 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -28,6 +28,7 @@
beqlr
li r0,0
mtspr SPRN_LPID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
@@ -42,6 +43,7 @@
beqlr
li r0,0
mtspr SPRN_LPID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
@@ -59,6 +61,7 @@
beqlr
li r0,0
mtspr SPRN_LPID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
@@ -81,6 +84,7 @@
beqlr
li r0,0
mtspr SPRN_LPID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
@@ -103,6 +107,7 @@
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4
@@ -128,6 +133,7 @@
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
+ mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index f047ae1..2dba206 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -137,6 +137,7 @@
if (hv_mode) {
mtspr(SPRN_LPID, 0);
mtspr(SPRN_HFSCR, system_registers.hfscr);
+ mtspr(SPRN_PCR, 0);
}
mtspr(SPRN_FSCR, system_registers.fscr);
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index f9ca4bb..c09f0a6 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -825,7 +825,7 @@
#endif
-EXC_REAL_MASKABLE(decrementer, 0x900, 0x80)
+EXC_REAL_OOL_MASKABLE(decrementer, 0x900, 0x80)
EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x80, 0x900)
TRAMP_KVM(PACA_EXGEN, 0x900)
EXC_COMMON_ASYNC(decrementer_common, 0x900, timer_interrupt)
@@ -901,6 +901,7 @@
mtctr r13; \
GET_PACA(r13); \
std r10,PACA_EXGEN+EX_R10(r13); \
+ INTERRUPT_TO_KERNEL; \
KVMTEST_PR(0xc00); /* uses r10, branch to do_kvm_0xc00_system_call */ \
HMT_MEDIUM; \
mfctr r9;
@@ -909,7 +910,8 @@
#define SYSCALL_KVMTEST \
HMT_MEDIUM; \
mr r9,r13; \
- GET_PACA(r13);
+ GET_PACA(r13); \
+ INTERRUPT_TO_KERNEL;
#endif
#define LOAD_SYSCALL_HANDLER(reg) \
@@ -1434,45 +1436,56 @@
b .; \
MASKED_DEC_HANDLER(_H)
+TRAMP_REAL_BEGIN(stf_barrier_fallback)
+ std r9,PACA_EXRFI+EX_R9(r13)
+ std r10,PACA_EXRFI+EX_R10(r13)
+ sync
+ ld r9,PACA_EXRFI+EX_R9(r13)
+ ld r10,PACA_EXRFI+EX_R10(r13)
+ ori 31,31,0
+ .rept 14
+ b 1f
+1:
+ .endr
+ blr
+
TRAMP_REAL_BEGIN(rfi_flush_fallback)
SET_SCRATCH0(r13);
GET_PACA(r13);
std r9,PACA_EXRFI+EX_R9(r13)
std r10,PACA_EXRFI+EX_R10(r13)
std r11,PACA_EXRFI+EX_R11(r13)
- std r12,PACA_EXRFI+EX_R12(r13)
- std r8,PACA_EXRFI+EX_R13(r13)
mfctr r9
ld r10,PACA_RFI_FLUSH_FALLBACK_AREA(r13)
- ld r11,PACA_L1D_FLUSH_SETS(r13)
- ld r12,PACA_L1D_FLUSH_CONGRUENCE(r13)
- /*
- * The load adresses are at staggered offsets within cachelines,
- * which suits some pipelines better (on others it should not
- * hurt).
- */
- addi r12,r12,8
+ ld r11,PACA_L1D_FLUSH_SIZE(r13)
+ srdi r11,r11,(7 + 3) /* 128 byte lines, unrolled 8x */
mtctr r11
DCBT_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */
/* order ld/st prior to dcbt stop all streams with flushing */
sync
-1: li r8,0
- .rept 8 /* 8-way set associative */
- ldx r11,r10,r8
- add r8,r8,r12
- xor r11,r11,r11 // Ensure r11 is 0 even if fallback area is not
- add r8,r8,r11 // Add 0, this creates a dependency on the ldx
- .endr
- addi r10,r10,128 /* 128 byte cache line */
+
+ /*
+ * The load adresses are at staggered offsets within cachelines,
+ * which suits some pipelines better (on others it should not
+ * hurt).
+ */
+1:
+ ld r11,(0x80 + 8)*0(r10)
+ ld r11,(0x80 + 8)*1(r10)
+ ld r11,(0x80 + 8)*2(r10)
+ ld r11,(0x80 + 8)*3(r10)
+ ld r11,(0x80 + 8)*4(r10)
+ ld r11,(0x80 + 8)*5(r10)
+ ld r11,(0x80 + 8)*6(r10)
+ ld r11,(0x80 + 8)*7(r10)
+ addi r10,r10,0x80*8
bdnz 1b
mtctr r9
ld r9,PACA_EXRFI+EX_R9(r13)
ld r10,PACA_EXRFI+EX_R10(r13)
ld r11,PACA_EXRFI+EX_R11(r13)
- ld r12,PACA_EXRFI+EX_R12(r13)
- ld r8,PACA_EXRFI+EX_R13(r13)
GET_SCRATCH0(r13);
rfid
@@ -1482,39 +1495,37 @@
std r9,PACA_EXRFI+EX_R9(r13)
std r10,PACA_EXRFI+EX_R10(r13)
std r11,PACA_EXRFI+EX_R11(r13)
- std r12,PACA_EXRFI+EX_R12(r13)
- std r8,PACA_EXRFI+EX_R13(r13)
mfctr r9
ld r10,PACA_RFI_FLUSH_FALLBACK_AREA(r13)
- ld r11,PACA_L1D_FLUSH_SETS(r13)
- ld r12,PACA_L1D_FLUSH_CONGRUENCE(r13)
- /*
- * The load adresses are at staggered offsets within cachelines,
- * which suits some pipelines better (on others it should not
- * hurt).
- */
- addi r12,r12,8
+ ld r11,PACA_L1D_FLUSH_SIZE(r13)
+ srdi r11,r11,(7 + 3) /* 128 byte lines, unrolled 8x */
mtctr r11
DCBT_STOP_ALL_STREAM_IDS(r11) /* Stop prefetch streams */
/* order ld/st prior to dcbt stop all streams with flushing */
sync
-1: li r8,0
- .rept 8 /* 8-way set associative */
- ldx r11,r10,r8
- add r8,r8,r12
- xor r11,r11,r11 // Ensure r11 is 0 even if fallback area is not
- add r8,r8,r11 // Add 0, this creates a dependency on the ldx
- .endr
- addi r10,r10,128 /* 128 byte cache line */
+
+ /*
+ * The load adresses are at staggered offsets within cachelines,
+ * which suits some pipelines better (on others it should not
+ * hurt).
+ */
+1:
+ ld r11,(0x80 + 8)*0(r10)
+ ld r11,(0x80 + 8)*1(r10)
+ ld r11,(0x80 + 8)*2(r10)
+ ld r11,(0x80 + 8)*3(r10)
+ ld r11,(0x80 + 8)*4(r10)
+ ld r11,(0x80 + 8)*5(r10)
+ ld r11,(0x80 + 8)*6(r10)
+ ld r11,(0x80 + 8)*7(r10)
+ addi r10,r10,0x80*8
bdnz 1b
mtctr r9
ld r9,PACA_EXRFI+EX_R9(r13)
ld r10,PACA_EXRFI+EX_R10(r13)
ld r11,PACA_EXRFI+EX_R11(r13)
- ld r12,PACA_EXRFI+EX_R12(r13)
- ld r8,PACA_EXRFI+EX_R13(r13)
GET_SCRATCH0(r13);
hrfid
diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S
index 1125c9b..e35cebd 100644
--- a/arch/powerpc/kernel/idle_book3s.S
+++ b/arch/powerpc/kernel/idle_book3s.S
@@ -838,6 +838,8 @@
mtspr SPRN_PTCR,r4
ld r4,_RPR(r1)
mtspr SPRN_RPR,r4
+ ld r4,_AMOR(r1)
+ mtspr SPRN_AMOR,r4
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
ld r4,_TSCR(r1)
diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
new file mode 100644
index 0000000..b98a722
--- /dev/null
+++ b/arch/powerpc/kernel/security.c
@@ -0,0 +1,237 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Security related flags and so on.
+//
+// Copyright 2018, Michael Ellerman, IBM Corporation.
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/seq_buf.h>
+
+#include <asm/debugfs.h>
+#include <asm/security_features.h>
+
+
+unsigned long powerpc_security_features __read_mostly = SEC_FTR_DEFAULT;
+
+ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ bool thread_priv;
+
+ thread_priv = security_ftr_enabled(SEC_FTR_L1D_THREAD_PRIV);
+
+ if (rfi_flush || thread_priv) {
+ struct seq_buf s;
+ seq_buf_init(&s, buf, PAGE_SIZE - 1);
+
+ seq_buf_printf(&s, "Mitigation: ");
+
+ if (rfi_flush)
+ seq_buf_printf(&s, "RFI Flush");
+
+ if (rfi_flush && thread_priv)
+ seq_buf_printf(&s, ", ");
+
+ if (thread_priv)
+ seq_buf_printf(&s, "L1D private per thread");
+
+ seq_buf_printf(&s, "\n");
+
+ return s.len;
+ }
+
+ if (!security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV) &&
+ !security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR))
+ return sprintf(buf, "Not affected\n");
+
+ return sprintf(buf, "Vulnerable\n");
+}
+
+ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ if (!security_ftr_enabled(SEC_FTR_BNDS_CHK_SPEC_BAR))
+ return sprintf(buf, "Not affected\n");
+
+ return sprintf(buf, "Vulnerable\n");
+}
+
+ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ bool bcs, ccd, ori;
+ struct seq_buf s;
+
+ seq_buf_init(&s, buf, PAGE_SIZE - 1);
+
+ bcs = security_ftr_enabled(SEC_FTR_BCCTRL_SERIALISED);
+ ccd = security_ftr_enabled(SEC_FTR_COUNT_CACHE_DISABLED);
+ ori = security_ftr_enabled(SEC_FTR_SPEC_BAR_ORI31);
+
+ if (bcs || ccd) {
+ seq_buf_printf(&s, "Mitigation: ");
+
+ if (bcs)
+ seq_buf_printf(&s, "Indirect branch serialisation (kernel only)");
+
+ if (bcs && ccd)
+ seq_buf_printf(&s, ", ");
+
+ if (ccd)
+ seq_buf_printf(&s, "Indirect branch cache disabled");
+ } else
+ seq_buf_printf(&s, "Vulnerable");
+
+ if (ori)
+ seq_buf_printf(&s, ", ori31 speculation barrier enabled");
+
+ seq_buf_printf(&s, "\n");
+
+ return s.len;
+}
+
+/*
+ * Store-forwarding barrier support.
+ */
+
+static enum stf_barrier_type stf_enabled_flush_types;
+static bool no_stf_barrier;
+bool stf_barrier;
+
+static int __init handle_no_stf_barrier(char *p)
+{
+ pr_info("stf-barrier: disabled on command line.");
+ no_stf_barrier = true;
+ return 0;
+}
+
+early_param("no_stf_barrier", handle_no_stf_barrier);
+
+/* This is the generic flag used by other architectures */
+static int __init handle_ssbd(char *p)
+{
+ if (!p || strncmp(p, "auto", 5) == 0 || strncmp(p, "on", 2) == 0 ) {
+ /* Until firmware tells us, we have the barrier with auto */
+ return 0;
+ } else if (strncmp(p, "off", 3) == 0) {
+ handle_no_stf_barrier(NULL);
+ return 0;
+ } else
+ return 1;
+
+ return 0;
+}
+early_param("spec_store_bypass_disable", handle_ssbd);
+
+/* This is the generic flag used by other architectures */
+static int __init handle_no_ssbd(char *p)
+{
+ handle_no_stf_barrier(NULL);
+ return 0;
+}
+early_param("nospec_store_bypass_disable", handle_no_ssbd);
+
+static void stf_barrier_enable(bool enable)
+{
+ if (enable)
+ do_stf_barrier_fixups(stf_enabled_flush_types);
+ else
+ do_stf_barrier_fixups(STF_BARRIER_NONE);
+
+ stf_barrier = enable;
+}
+
+void setup_stf_barrier(void)
+{
+ enum stf_barrier_type type;
+ bool enable, hv;
+
+ hv = cpu_has_feature(CPU_FTR_HVMODE);
+
+ /* Default to fallback in case fw-features are not available */
+ if (cpu_has_feature(CPU_FTR_ARCH_300))
+ type = STF_BARRIER_EIEIO;
+ else if (cpu_has_feature(CPU_FTR_ARCH_207S))
+ type = STF_BARRIER_SYNC_ORI;
+ else if (cpu_has_feature(CPU_FTR_ARCH_206))
+ type = STF_BARRIER_FALLBACK;
+ else
+ type = STF_BARRIER_NONE;
+
+ enable = security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY) &&
+ (security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR) ||
+ (security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV) && hv));
+
+ if (type == STF_BARRIER_FALLBACK) {
+ pr_info("stf-barrier: fallback barrier available\n");
+ } else if (type == STF_BARRIER_SYNC_ORI) {
+ pr_info("stf-barrier: hwsync barrier available\n");
+ } else if (type == STF_BARRIER_EIEIO) {
+ pr_info("stf-barrier: eieio barrier available\n");
+ }
+
+ stf_enabled_flush_types = type;
+
+ if (!no_stf_barrier)
+ stf_barrier_enable(enable);
+}
+
+ssize_t cpu_show_spec_store_bypass(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ if (stf_barrier && stf_enabled_flush_types != STF_BARRIER_NONE) {
+ const char *type;
+ switch (stf_enabled_flush_types) {
+ case STF_BARRIER_EIEIO:
+ type = "eieio";
+ break;
+ case STF_BARRIER_SYNC_ORI:
+ type = "hwsync";
+ break;
+ case STF_BARRIER_FALLBACK:
+ type = "fallback";
+ break;
+ default:
+ type = "unknown";
+ }
+ return sprintf(buf, "Mitigation: Kernel entry/exit barrier (%s)\n", type);
+ }
+
+ if (!security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV) &&
+ !security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR))
+ return sprintf(buf, "Not affected\n");
+
+ return sprintf(buf, "Vulnerable\n");
+}
+
+#ifdef CONFIG_DEBUG_FS
+static int stf_barrier_set(void *data, u64 val)
+{
+ bool enable;
+
+ if (val == 1)
+ enable = true;
+ else if (val == 0)
+ enable = false;
+ else
+ return -EINVAL;
+
+ /* Only do anything if we're changing state */
+ if (enable != stf_barrier)
+ stf_barrier_enable(enable);
+
+ return 0;
+}
+
+static int stf_barrier_get(void *data, u64 *val)
+{
+ *val = stf_barrier ? 1 : 0;
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_stf_barrier, stf_barrier_get, stf_barrier_set, "%llu\n");
+
+static __init int stf_barrier_debugfs_init(void)
+{
+ debugfs_create_file("stf_barrier", 0600, powerpc_debugfs_root, NULL, &fops_stf_barrier);
+ return 0;
+}
+device_initcall(stf_barrier_debugfs_init);
+#endif /* CONFIG_DEBUG_FS */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 9527a4c..0618aa6 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -822,9 +822,6 @@
void rfi_flush_enable(bool enable)
{
- if (rfi_flush == enable)
- return;
-
if (enable) {
do_rfi_flush_fixups(enabled_flush_types);
on_each_cpu(do_nothing, NULL, 1);
@@ -834,11 +831,15 @@
rfi_flush = enable;
}
-static void init_fallback_flush(void)
+static void __ref init_fallback_flush(void)
{
u64 l1d_size, limit;
int cpu;
+ /* Only allocate the fallback flush area once (at boot time). */
+ if (l1d_flush_fallback_area)
+ return;
+
l1d_size = ppc64_caches.l1d.size;
limit = min(safe_stack_limit(), ppc64_rma_size);
@@ -851,34 +852,23 @@
memset(l1d_flush_fallback_area, 0, l1d_size * 2);
for_each_possible_cpu(cpu) {
- /*
- * The fallback flush is currently coded for 8-way
- * associativity. Different associativity is possible, but it
- * will be treated as 8-way and may not evict the lines as
- * effectively.
- *
- * 128 byte lines are mandatory.
- */
- u64 c = l1d_size / 8;
-
paca[cpu].rfi_flush_fallback_area = l1d_flush_fallback_area;
- paca[cpu].l1d_flush_congruence = c;
- paca[cpu].l1d_flush_sets = c / 128;
+ paca[cpu].l1d_flush_size = l1d_size;
}
}
-void __init setup_rfi_flush(enum l1d_flush_type types, bool enable)
+void setup_rfi_flush(enum l1d_flush_type types, bool enable)
{
if (types & L1D_FLUSH_FALLBACK) {
- pr_info("rfi-flush: Using fallback displacement flush\n");
+ pr_info("rfi-flush: fallback displacement flush available\n");
init_fallback_flush();
}
if (types & L1D_FLUSH_ORI)
- pr_info("rfi-flush: Using ori type flush\n");
+ pr_info("rfi-flush: ori type flush available\n");
if (types & L1D_FLUSH_MTTRIG)
- pr_info("rfi-flush: Using mttrig type flush\n");
+ pr_info("rfi-flush: mttrig type flush available\n");
enabled_flush_types = types;
@@ -889,13 +879,19 @@
#ifdef CONFIG_DEBUG_FS
static int rfi_flush_set(void *data, u64 val)
{
+ bool enable;
+
if (val == 1)
- rfi_flush_enable(true);
+ enable = true;
else if (val == 0)
- rfi_flush_enable(false);
+ enable = false;
else
return -EINVAL;
+ /* Only do anything if we're changing state */
+ if (enable != rfi_flush)
+ rfi_flush_enable(enable);
+
return 0;
}
@@ -914,12 +910,4 @@
}
device_initcall(rfi_flush_debugfs_init);
#endif
-
-ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf)
-{
- if (rfi_flush)
- return sprintf(buf, "Mitigation: RFI Flush\n");
-
- return sprintf(buf, "Vulnerable\n");
-}
#endif /* CONFIG_PPC_BOOK3S_64 */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index d170074..ac2e5e5 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -182,6 +182,12 @@
}
raw_local_irq_restore(flags);
+ /*
+ * system_reset_excption handles debugger, crash dump, panic, for 0x100
+ */
+ if (TRAP(regs) == 0x100)
+ return;
+
crash_fadump(regs, "die oops");
if (kexec_should_crash(current))
@@ -246,8 +252,13 @@
{
unsigned long flags;
- if (debugger(regs))
- return;
+ /*
+ * system_reset_excption handles debugger, crash dump, panic, for 0x100
+ */
+ if (TRAP(regs) != 0x100) {
+ if (debugger(regs))
+ return;
+ }
flags = oops_begin(regs);
if (__die(str, regs, err))
@@ -1379,6 +1390,22 @@
value = mfspr(SPRN_FSCR);
status = value >> 56;
+ if ((hv || status >= 2) &&
+ (status < ARRAY_SIZE(facility_strings)) &&
+ facility_strings[status])
+ facility = facility_strings[status];
+
+ /* We should not have taken this interrupt in kernel */
+ if (!user_mode(regs)) {
+ pr_emerg("Facility '%s' unavailable (%d) exception in kernel mode at %lx\n",
+ facility, status, regs->nip);
+ die("Unexpected facility unavailable exception", regs, SIGABRT);
+ }
+
+ /* We restore the interrupt state now */
+ if (!arch_irq_disabled_regs(regs))
+ local_irq_enable();
+
if (status == FSCR_DSCR_LG) {
/*
* User is accessing the DSCR register using the problem
@@ -1445,25 +1472,11 @@
return;
}
- if ((hv || status >= 2) &&
- (status < ARRAY_SIZE(facility_strings)) &&
- facility_strings[status])
- facility = facility_strings[status];
-
- /* We restore the interrupt state now */
- if (!arch_irq_disabled_regs(regs))
- local_irq_enable();
-
pr_err_ratelimited("%sFacility '%s' unavailable (%d), exception at 0x%lx, MSR=%lx\n",
hv ? "Hypervisor " : "", facility, status, regs->nip, regs->msr);
out:
- if (user_mode(regs)) {
- _exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
- return;
- }
-
- die("Unexpected facility unavailable exception", regs, SIGABRT);
+ _exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
}
#endif
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 307843d..c89ffb88 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -134,6 +134,20 @@
#ifdef CONFIG_PPC64
. = ALIGN(8);
+ __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) {
+ __start___stf_entry_barrier_fixup = .;
+ *(__stf_entry_barrier_fixup)
+ __stop___stf_entry_barrier_fixup = .;
+ }
+
+ . = ALIGN(8);
+ __stf_exit_barrier_fixup : AT(ADDR(__stf_exit_barrier_fixup) - LOAD_OFFSET) {
+ __start___stf_exit_barrier_fixup = .;
+ *(__stf_exit_barrier_fixup)
+ __stop___stf_exit_barrier_fixup = .;
+ }
+
+ . = ALIGN(8);
__rfi_flush_fixup : AT(ADDR(__rfi_flush_fixup) - LOAD_OFFSET) {
__start___rfi_flush_fixup = .;
*(__rfi_flush_fixup)
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index d0c0b84..762a899 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -23,6 +23,7 @@
#include <asm/page.h>
#include <asm/sections.h>
#include <asm/setup.h>
+#include <asm/security_features.h>
#include <asm/firmware.h>
struct fixup_entry {
@@ -117,6 +118,120 @@
}
#ifdef CONFIG_PPC_BOOK3S_64
+void do_stf_entry_barrier_fixups(enum stf_barrier_type types)
+{
+ unsigned int instrs[3], *dest;
+ long *start, *end;
+ int i;
+
+ start = PTRRELOC(&__start___stf_entry_barrier_fixup),
+ end = PTRRELOC(&__stop___stf_entry_barrier_fixup);
+
+ instrs[0] = 0x60000000; /* nop */
+ instrs[1] = 0x60000000; /* nop */
+ instrs[2] = 0x60000000; /* nop */
+
+ i = 0;
+ if (types & STF_BARRIER_FALLBACK) {
+ instrs[i++] = 0x7d4802a6; /* mflr r10 */
+ instrs[i++] = 0x60000000; /* branch patched below */
+ instrs[i++] = 0x7d4803a6; /* mtlr r10 */
+ } else if (types & STF_BARRIER_EIEIO) {
+ instrs[i++] = 0x7e0006ac; /* eieio + bit 6 hint */
+ } else if (types & STF_BARRIER_SYNC_ORI) {
+ instrs[i++] = 0x7c0004ac; /* hwsync */
+ instrs[i++] = 0xe94d0000; /* ld r10,0(r13) */
+ instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */
+ }
+
+ for (i = 0; start < end; start++, i++) {
+ dest = (void *)start + *start;
+
+ pr_devel("patching dest %lx\n", (unsigned long)dest);
+
+ patch_instruction(dest, instrs[0]);
+
+ if (types & STF_BARRIER_FALLBACK)
+ patch_branch(dest + 1, (unsigned long)&stf_barrier_fallback,
+ BRANCH_SET_LINK);
+ else
+ patch_instruction(dest + 1, instrs[1]);
+
+ patch_instruction(dest + 2, instrs[2]);
+ }
+
+ printk(KERN_DEBUG "stf-barrier: patched %d entry locations (%s barrier)\n", i,
+ (types == STF_BARRIER_NONE) ? "no" :
+ (types == STF_BARRIER_FALLBACK) ? "fallback" :
+ (types == STF_BARRIER_EIEIO) ? "eieio" :
+ (types == (STF_BARRIER_SYNC_ORI)) ? "hwsync"
+ : "unknown");
+}
+
+void do_stf_exit_barrier_fixups(enum stf_barrier_type types)
+{
+ unsigned int instrs[6], *dest;
+ long *start, *end;
+ int i;
+
+ start = PTRRELOC(&__start___stf_exit_barrier_fixup),
+ end = PTRRELOC(&__stop___stf_exit_barrier_fixup);
+
+ instrs[0] = 0x60000000; /* nop */
+ instrs[1] = 0x60000000; /* nop */
+ instrs[2] = 0x60000000; /* nop */
+ instrs[3] = 0x60000000; /* nop */
+ instrs[4] = 0x60000000; /* nop */
+ instrs[5] = 0x60000000; /* nop */
+
+ i = 0;
+ if (types & STF_BARRIER_FALLBACK || types & STF_BARRIER_SYNC_ORI) {
+ if (cpu_has_feature(CPU_FTR_HVMODE)) {
+ instrs[i++] = 0x7db14ba6; /* mtspr 0x131, r13 (HSPRG1) */
+ instrs[i++] = 0x7db04aa6; /* mfspr r13, 0x130 (HSPRG0) */
+ } else {
+ instrs[i++] = 0x7db243a6; /* mtsprg 2,r13 */
+ instrs[i++] = 0x7db142a6; /* mfsprg r13,1 */
+ }
+ instrs[i++] = 0x7c0004ac; /* hwsync */
+ instrs[i++] = 0xe9ad0000; /* ld r13,0(r13) */
+ instrs[i++] = 0x63ff0000; /* ori 31,31,0 speculation barrier */
+ if (cpu_has_feature(CPU_FTR_HVMODE)) {
+ instrs[i++] = 0x7db14aa6; /* mfspr r13, 0x131 (HSPRG1) */
+ } else {
+ instrs[i++] = 0x7db242a6; /* mfsprg r13,2 */
+ }
+ } else if (types & STF_BARRIER_EIEIO) {
+ instrs[i++] = 0x7e0006ac; /* eieio + bit 6 hint */
+ }
+
+ for (i = 0; start < end; start++, i++) {
+ dest = (void *)start + *start;
+
+ pr_devel("patching dest %lx\n", (unsigned long)dest);
+
+ patch_instruction(dest, instrs[0]);
+ patch_instruction(dest + 1, instrs[1]);
+ patch_instruction(dest + 2, instrs[2]);
+ patch_instruction(dest + 3, instrs[3]);
+ patch_instruction(dest + 4, instrs[4]);
+ patch_instruction(dest + 5, instrs[5]);
+ }
+ printk(KERN_DEBUG "stf-barrier: patched %d exit locations (%s barrier)\n", i,
+ (types == STF_BARRIER_NONE) ? "no" :
+ (types == STF_BARRIER_FALLBACK) ? "fallback" :
+ (types == STF_BARRIER_EIEIO) ? "eieio" :
+ (types == (STF_BARRIER_SYNC_ORI)) ? "hwsync"
+ : "unknown");
+}
+
+
+void do_stf_barrier_fixups(enum stf_barrier_type types)
+{
+ do_stf_entry_barrier_fixups(types);
+ do_stf_exit_barrier_fixups(types);
+}
+
void do_rfi_flush_fixups(enum l1d_flush_type types)
{
unsigned int instrs[3], *dest;
@@ -153,7 +268,14 @@
patch_instruction(dest + 2, instrs[2]);
}
- printk(KERN_DEBUG "rfi-flush: patched %d locations\n", i);
+ printk(KERN_DEBUG "rfi-flush: patched %d locations (%s flush)\n", i,
+ (types == L1D_FLUSH_NONE) ? "no" :
+ (types == L1D_FLUSH_FALLBACK) ? "fallback displacement" :
+ (types & L1D_FLUSH_ORI) ? (types & L1D_FLUSH_MTTRIG)
+ ? "ori+mttrig type"
+ : "ori type" :
+ (types & L1D_FLUSH_MTTRIG) ? "mttrig type"
+ : "unknown");
}
#endif /* CONFIG_PPC_BOOK3S_64 */
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index f9941b3..f760494 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -329,6 +329,9 @@
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, len) != 4);
PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, len));
break;
+ case BPF_LDX | BPF_W | BPF_ABS: /* A = *((u32 *)(seccomp_data + K)); */
+ PPC_LWZ_OFFS(r_A, r_skb, K);
+ break;
case BPF_LDX | BPF_W | BPF_LEN: /* X = skb->len; */
PPC_LWZ_OFFS(r_X, r_skb, offsetof(struct sk_buff, len));
break;
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index fce5457..b7a6044 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -457,6 +457,16 @@
/* invalid entry */
continue;
+ /*
+ * BHRB rolling buffer could very much contain the kernel
+ * addresses at this point. Check the privileges before
+ * exporting it to userspace (avoid exposure of regions
+ * where we could have speculative execution)
+ */
+ if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN) &&
+ is_kernel_addr(addr))
+ continue;
+
/* Branches are read most recent first (ie. mfbhrb 0 is
* the most recent branch).
* There are two types of valid entries:
@@ -1226,6 +1236,7 @@
*/
write_mmcr0(cpuhw, val);
mb();
+ isync();
/*
* Disable instruction sampling if it was enabled
@@ -1234,12 +1245,26 @@
mtspr(SPRN_MMCRA,
cpuhw->mmcr[2] & ~MMCRA_SAMPLE_ENABLE);
mb();
+ isync();
}
cpuhw->disabled = 1;
cpuhw->n_added = 0;
ebb_switch_out(mmcr0);
+
+#ifdef CONFIG_PPC64
+ /*
+ * These are readable by userspace, may contain kernel
+ * addresses and are not switched by context switch, so clear
+ * them now to avoid leaking anything to userspace in general
+ * including to another process.
+ */
+ if (ppmu->flags & PPMU_ARCH_207S) {
+ mtspr(SPRN_SDAR, 0);
+ mtspr(SPRN_SIAR, 0);
+ }
+#endif
}
local_irq_restore(flags);
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c
index 4043109..63f007f 100644
--- a/arch/powerpc/platforms/powernv/npu-dma.c
+++ b/arch/powerpc/platforms/powernv/npu-dma.c
@@ -413,6 +413,11 @@
void *priv;
};
+struct mmio_atsd_reg {
+ struct npu *npu;
+ int reg;
+};
+
/*
* Find a free MMIO ATSD register and mark it in use. Return -ENOSPC
* if none are available.
@@ -422,7 +427,7 @@
int i;
for (i = 0; i < npu->mmio_atsd_count; i++) {
- if (!test_and_set_bit(i, &npu->mmio_atsd_usage))
+ if (!test_and_set_bit_lock(i, &npu->mmio_atsd_usage))
return i;
}
@@ -431,86 +436,90 @@
static void put_mmio_atsd_reg(struct npu *npu, int reg)
{
- clear_bit(reg, &npu->mmio_atsd_usage);
+ clear_bit_unlock(reg, &npu->mmio_atsd_usage);
}
/* MMIO ATSD register offsets */
#define XTS_ATSD_AVA 1
#define XTS_ATSD_STAT 2
-static int mmio_launch_invalidate(struct npu *npu, unsigned long launch,
- unsigned long va)
+static void mmio_launch_invalidate(struct mmio_atsd_reg *mmio_atsd_reg,
+ unsigned long launch, unsigned long va)
{
- int mmio_atsd_reg;
-
- do {
- mmio_atsd_reg = get_mmio_atsd_reg(npu);
- cpu_relax();
- } while (mmio_atsd_reg < 0);
+ struct npu *npu = mmio_atsd_reg->npu;
+ int reg = mmio_atsd_reg->reg;
__raw_writeq(cpu_to_be64(va),
- npu->mmio_atsd_regs[mmio_atsd_reg] + XTS_ATSD_AVA);
+ npu->mmio_atsd_regs[reg] + XTS_ATSD_AVA);
eieio();
- __raw_writeq(cpu_to_be64(launch), npu->mmio_atsd_regs[mmio_atsd_reg]);
-
- return mmio_atsd_reg;
+ __raw_writeq(cpu_to_be64(launch), npu->mmio_atsd_regs[reg]);
}
-static int mmio_invalidate_pid(struct npu *npu, unsigned long pid, bool flush)
+static void mmio_invalidate_pid(struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS],
+ unsigned long pid, bool flush)
{
+ int i;
unsigned long launch;
- /* IS set to invalidate matching PID */
- launch = PPC_BIT(12);
+ for (i = 0; i <= max_npu2_index; i++) {
+ if (mmio_atsd_reg[i].reg < 0)
+ continue;
- /* PRS set to process-scoped */
- launch |= PPC_BIT(13);
+ /* IS set to invalidate matching PID */
+ launch = PPC_BIT(12);
- /* AP */
- launch |= (u64) mmu_get_ap(mmu_virtual_psize) << PPC_BITLSHIFT(17);
+ /* PRS set to process-scoped */
+ launch |= PPC_BIT(13);
- /* PID */
- launch |= pid << PPC_BITLSHIFT(38);
+ /* AP */
+ launch |= (u64)
+ mmu_get_ap(mmu_virtual_psize) << PPC_BITLSHIFT(17);
- /* No flush */
- launch |= !flush << PPC_BITLSHIFT(39);
+ /* PID */
+ launch |= pid << PPC_BITLSHIFT(38);
- /* Invalidating the entire process doesn't use a va */
- return mmio_launch_invalidate(npu, launch, 0);
+ /* No flush */
+ launch |= !flush << PPC_BITLSHIFT(39);
+
+ /* Invalidating the entire process doesn't use a va */
+ mmio_launch_invalidate(&mmio_atsd_reg[i], launch, 0);
+ }
}
-static int mmio_invalidate_va(struct npu *npu, unsigned long va,
- unsigned long pid, bool flush)
+static void mmio_invalidate_va(struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS],
+ unsigned long va, unsigned long pid, bool flush)
{
+ int i;
unsigned long launch;
- /* IS set to invalidate target VA */
- launch = 0;
+ for (i = 0; i <= max_npu2_index; i++) {
+ if (mmio_atsd_reg[i].reg < 0)
+ continue;
- /* PRS set to process scoped */
- launch |= PPC_BIT(13);
+ /* IS set to invalidate target VA */
+ launch = 0;
- /* AP */
- launch |= (u64) mmu_get_ap(mmu_virtual_psize) << PPC_BITLSHIFT(17);
+ /* PRS set to process scoped */
+ launch |= PPC_BIT(13);
- /* PID */
- launch |= pid << PPC_BITLSHIFT(38);
+ /* AP */
+ launch |= (u64)
+ mmu_get_ap(mmu_virtual_psize) << PPC_BITLSHIFT(17);
- /* No flush */
- launch |= !flush << PPC_BITLSHIFT(39);
+ /* PID */
+ launch |= pid << PPC_BITLSHIFT(38);
- return mmio_launch_invalidate(npu, launch, va);
+ /* No flush */
+ launch |= !flush << PPC_BITLSHIFT(39);
+
+ mmio_launch_invalidate(&mmio_atsd_reg[i], launch, va);
+ }
}
#define mn_to_npu_context(x) container_of(x, struct npu_context, mn)
-struct mmio_atsd_reg {
- struct npu *npu;
- int reg;
-};
-
static void mmio_invalidate_wait(
- struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS], bool flush)
+ struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS])
{
struct npu *npu;
int i, reg;
@@ -525,16 +534,67 @@
reg = mmio_atsd_reg[i].reg;
while (__raw_readq(npu->mmio_atsd_regs[reg] + XTS_ATSD_STAT))
cpu_relax();
+ }
+}
- put_mmio_atsd_reg(npu, reg);
+/*
+ * Acquires all the address translation shootdown (ATSD) registers required to
+ * launch an ATSD on all links this npu_context is active on.
+ */
+static void acquire_atsd_reg(struct npu_context *npu_context,
+ struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS])
+{
+ int i, j;
+ struct npu *npu;
+ struct pci_dev *npdev;
+ struct pnv_phb *nphb;
+ for (i = 0; i <= max_npu2_index; i++) {
+ mmio_atsd_reg[i].reg = -1;
+ for (j = 0; j < NV_MAX_LINKS; j++) {
+ /*
+ * There are no ordering requirements with respect to
+ * the setup of struct npu_context, but to ensure
+ * consistent behaviour we need to ensure npdev[][] is
+ * only read once.
+ */
+ npdev = READ_ONCE(npu_context->npdev[i][j]);
+ if (!npdev)
+ continue;
+
+ nphb = pci_bus_to_host(npdev->bus)->private_data;
+ npu = &nphb->npu;
+ mmio_atsd_reg[i].npu = npu;
+ mmio_atsd_reg[i].reg = get_mmio_atsd_reg(npu);
+ while (mmio_atsd_reg[i].reg < 0) {
+ mmio_atsd_reg[i].reg = get_mmio_atsd_reg(npu);
+ cpu_relax();
+ }
+ break;
+ }
+ }
+}
+
+/*
+ * Release previously acquired ATSD registers. To avoid deadlocks the registers
+ * must be released in the same order they were acquired above in
+ * acquire_atsd_reg.
+ */
+static void release_atsd_reg(struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS])
+{
+ int i;
+
+ for (i = 0; i <= max_npu2_index; i++) {
/*
- * The GPU requires two flush ATSDs to ensure all entries have
- * been flushed. We use PID 0 as it will never be used for a
- * process on the GPU.
+ * We can't rely on npu_context->npdev[][] being the same here
+ * as when acquire_atsd_reg() was called, hence we use the
+ * values stored in mmio_atsd_reg during the acquire phase
+ * rather than re-reading npdev[][].
*/
- if (flush)
- mmio_invalidate_pid(npu, 0, true);
+ if (mmio_atsd_reg[i].reg < 0)
+ continue;
+
+ put_mmio_atsd_reg(mmio_atsd_reg[i].npu, mmio_atsd_reg[i].reg);
}
}
@@ -545,10 +605,6 @@
static void mmio_invalidate(struct npu_context *npu_context, int va,
unsigned long address, bool flush)
{
- int i, j;
- struct npu *npu;
- struct pnv_phb *nphb;
- struct pci_dev *npdev;
struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS];
unsigned long pid = npu_context->mm->context.id;
@@ -562,37 +618,25 @@
* Loop over all the NPUs this process is active on and launch
* an invalidate.
*/
- for (i = 0; i <= max_npu2_index; i++) {
- mmio_atsd_reg[i].reg = -1;
- for (j = 0; j < NV_MAX_LINKS; j++) {
- npdev = npu_context->npdev[i][j];
- if (!npdev)
- continue;
+ acquire_atsd_reg(npu_context, mmio_atsd_reg);
+ if (va)
+ mmio_invalidate_va(mmio_atsd_reg, address, pid, flush);
+ else
+ mmio_invalidate_pid(mmio_atsd_reg, pid, flush);
- nphb = pci_bus_to_host(npdev->bus)->private_data;
- npu = &nphb->npu;
- mmio_atsd_reg[i].npu = npu;
-
- if (va)
- mmio_atsd_reg[i].reg =
- mmio_invalidate_va(npu, address, pid,
- flush);
- else
- mmio_atsd_reg[i].reg =
- mmio_invalidate_pid(npu, pid, flush);
-
- /*
- * The NPU hardware forwards the shootdown to all GPUs
- * so we only have to launch one shootdown per NPU.
- */
- break;
- }
+ mmio_invalidate_wait(mmio_atsd_reg);
+ if (flush) {
+ /*
+ * The GPU requires two flush ATSDs to ensure all entries have
+ * been flushed. We use PID 0 as it will never be used for a
+ * process on the GPU.
+ */
+ mmio_invalidate_pid(mmio_atsd_reg, 0, true);
+ mmio_invalidate_wait(mmio_atsd_reg);
+ mmio_invalidate_pid(mmio_atsd_reg, 0, true);
+ mmio_invalidate_wait(mmio_atsd_reg);
}
-
- mmio_invalidate_wait(mmio_atsd_reg, flush);
- if (flush)
- /* Wait for the flush to complete */
- mmio_invalidate_wait(mmio_atsd_reg, false);
+ release_atsd_reg(mmio_atsd_reg);
}
static void pnv_npu2_mn_release(struct mmu_notifier *mn,
@@ -735,7 +779,16 @@
if (WARN_ON(of_property_read_u32(nvlink_dn, "ibm,npu-link-index",
&nvlink_index)))
return ERR_PTR(-ENODEV);
- npu_context->npdev[npu->index][nvlink_index] = npdev;
+
+ /*
+ * npdev is a pci_dev pointer setup by the PCI code. We assign it to
+ * npdev[][] to indicate to the mmu notifiers that an invalidation
+ * should also be sent over this nvlink. The notifiers don't use any
+ * other fields in npu_context, so we just need to ensure that when they
+ * deference npu_context->npdev[][] it is either a valid pointer or
+ * NULL.
+ */
+ WRITE_ONCE(npu_context->npdev[npu->index][nvlink_index], npdev);
return npu_context;
}
@@ -774,7 +827,7 @@
if (WARN_ON(of_property_read_u32(nvlink_dn, "ibm,npu-link-index",
&nvlink_index)))
return;
- npu_context->npdev[npu->index][nvlink_index] = NULL;
+ WRITE_ONCE(npu_context->npdev[npu->index][nvlink_index], NULL);
opal_npu_destroy_context(nphb->opal_id, npu_context->mm->context.id,
PCI_DEVID(gpdev->bus->number, gpdev->devfn));
kref_put(&npu_context->kref, pnv_npu2_release_context);
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 7966a31..fd143c9 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -37,53 +37,92 @@
#include <asm/kexec.h>
#include <asm/smp.h>
#include <asm/setup.h>
+#include <asm/security_features.h>
#include "powernv.h"
+
+static bool fw_feature_is(const char *state, const char *name,
+ struct device_node *fw_features)
+{
+ struct device_node *np;
+ bool rc = false;
+
+ np = of_get_child_by_name(fw_features, name);
+ if (np) {
+ rc = of_property_read_bool(np, state);
+ of_node_put(np);
+ }
+
+ return rc;
+}
+
+static void init_fw_feat_flags(struct device_node *np)
+{
+ if (fw_feature_is("enabled", "inst-spec-barrier-ori31,31,0", np))
+ security_ftr_set(SEC_FTR_SPEC_BAR_ORI31);
+
+ if (fw_feature_is("enabled", "fw-bcctrl-serialized", np))
+ security_ftr_set(SEC_FTR_BCCTRL_SERIALISED);
+
+ if (fw_feature_is("enabled", "inst-l1d-flush-ori30,30,0", np))
+ security_ftr_set(SEC_FTR_L1D_FLUSH_ORI30);
+
+ if (fw_feature_is("enabled", "inst-l1d-flush-trig2", np))
+ security_ftr_set(SEC_FTR_L1D_FLUSH_TRIG2);
+
+ if (fw_feature_is("enabled", "fw-l1d-thread-split", np))
+ security_ftr_set(SEC_FTR_L1D_THREAD_PRIV);
+
+ if (fw_feature_is("enabled", "fw-count-cache-disabled", np))
+ security_ftr_set(SEC_FTR_COUNT_CACHE_DISABLED);
+
+ /*
+ * The features below are enabled by default, so we instead look to see
+ * if firmware has *disabled* them, and clear them if so.
+ */
+ if (fw_feature_is("disabled", "speculation-policy-favor-security", np))
+ security_ftr_clear(SEC_FTR_FAVOUR_SECURITY);
+
+ if (fw_feature_is("disabled", "needs-l1d-flush-msr-pr-0-to-1", np))
+ security_ftr_clear(SEC_FTR_L1D_FLUSH_PR);
+
+ if (fw_feature_is("disabled", "needs-l1d-flush-msr-hv-1-to-0", np))
+ security_ftr_clear(SEC_FTR_L1D_FLUSH_HV);
+
+ if (fw_feature_is("disabled", "needs-spec-barrier-for-bound-checks", np))
+ security_ftr_clear(SEC_FTR_BNDS_CHK_SPEC_BAR);
+}
+
static void pnv_setup_rfi_flush(void)
{
struct device_node *np, *fw_features;
enum l1d_flush_type type;
- int enable;
+ bool enable;
/* Default to fallback in case fw-features are not available */
type = L1D_FLUSH_FALLBACK;
- enable = 1;
np = of_find_node_by_name(NULL, "ibm,opal");
fw_features = of_get_child_by_name(np, "fw-features");
of_node_put(np);
if (fw_features) {
- np = of_get_child_by_name(fw_features, "inst-l1d-flush-trig2");
- if (np && of_property_read_bool(np, "enabled"))
+ init_fw_feat_flags(fw_features);
+ of_node_put(fw_features);
+
+ if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_TRIG2))
type = L1D_FLUSH_MTTRIG;
- of_node_put(np);
-
- np = of_get_child_by_name(fw_features, "inst-l1d-flush-ori30,30,0");
- if (np && of_property_read_bool(np, "enabled"))
+ if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_ORI30))
type = L1D_FLUSH_ORI;
-
- of_node_put(np);
-
- /* Enable unless firmware says NOT to */
- enable = 2;
- np = of_get_child_by_name(fw_features, "needs-l1d-flush-msr-hv-1-to-0");
- if (np && of_property_read_bool(np, "disabled"))
- enable--;
-
- of_node_put(np);
-
- np = of_get_child_by_name(fw_features, "needs-l1d-flush-msr-pr-0-to-1");
- if (np && of_property_read_bool(np, "disabled"))
- enable--;
-
- of_node_put(np);
- of_node_put(fw_features);
}
- setup_rfi_flush(type, enable > 0);
+ enable = security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY) && \
+ (security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR) || \
+ security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV));
+
+ setup_rfi_flush(type, enable);
}
static void __init pnv_setup_arch(void)
@@ -91,6 +130,7 @@
set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT);
pnv_setup_rfi_flush();
+ setup_stf_barrier();
/* Initialize SMP */
pnv_smp_init();
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index f7042ad..fbea7db 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -348,6 +348,9 @@
printk(KERN_ERR "Post-mobility device tree update "
"failed: %d\n", rc);
+ /* Possibly switch to a new RFI flush type */
+ pseries_setup_rfi_flush();
+
return;
}
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 1ae1d9f..27cdcb6 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -100,4 +100,6 @@
int dlpar_workqueue_init(void);
+void pseries_setup_rfi_flush(void);
+
#endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index ae4f596..45f8140 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -68,6 +68,7 @@
#include <asm/plpar_wrappers.h>
#include <asm/kexec.h>
#include <asm/isa-bridge.h>
+#include <asm/security_features.h>
#include "pseries.h"
@@ -459,35 +460,78 @@
of_pci_check_probe_only();
}
-static void pseries_setup_rfi_flush(void)
+static void init_cpu_char_feature_flags(struct h_cpu_char_result *result)
+{
+ /*
+ * The features below are disabled by default, so we instead look to see
+ * if firmware has *enabled* them, and set them if so.
+ */
+ if (result->character & H_CPU_CHAR_SPEC_BAR_ORI31)
+ security_ftr_set(SEC_FTR_SPEC_BAR_ORI31);
+
+ if (result->character & H_CPU_CHAR_BCCTRL_SERIALISED)
+ security_ftr_set(SEC_FTR_BCCTRL_SERIALISED);
+
+ if (result->character & H_CPU_CHAR_L1D_FLUSH_ORI30)
+ security_ftr_set(SEC_FTR_L1D_FLUSH_ORI30);
+
+ if (result->character & H_CPU_CHAR_L1D_FLUSH_TRIG2)
+ security_ftr_set(SEC_FTR_L1D_FLUSH_TRIG2);
+
+ if (result->character & H_CPU_CHAR_L1D_THREAD_PRIV)
+ security_ftr_set(SEC_FTR_L1D_THREAD_PRIV);
+
+ if (result->character & H_CPU_CHAR_COUNT_CACHE_DISABLED)
+ security_ftr_set(SEC_FTR_COUNT_CACHE_DISABLED);
+
+ /*
+ * The features below are enabled by default, so we instead look to see
+ * if firmware has *disabled* them, and clear them if so.
+ */
+ if (!(result->behaviour & H_CPU_BEHAV_FAVOUR_SECURITY))
+ security_ftr_clear(SEC_FTR_FAVOUR_SECURITY);
+
+ if (!(result->behaviour & H_CPU_BEHAV_L1D_FLUSH_PR))
+ security_ftr_clear(SEC_FTR_L1D_FLUSH_PR);
+
+ if (!(result->behaviour & H_CPU_BEHAV_BNDS_CHK_SPEC_BAR))
+ security_ftr_clear(SEC_FTR_BNDS_CHK_SPEC_BAR);
+}
+
+void pseries_setup_rfi_flush(void)
{
struct h_cpu_char_result result;
enum l1d_flush_type types;
bool enable;
long rc;
- /* Enable by default */
- enable = true;
+ /*
+ * Set features to the defaults assumed by init_cpu_char_feature_flags()
+ * so it can set/clear again any features that might have changed after
+ * migration, and in case the hypercall fails and it is not even called.
+ */
+ powerpc_security_features = SEC_FTR_DEFAULT;
rc = plpar_get_cpu_characteristics(&result);
- if (rc == H_SUCCESS) {
- types = L1D_FLUSH_NONE;
+ if (rc == H_SUCCESS)
+ init_cpu_char_feature_flags(&result);
- if (result.character & H_CPU_CHAR_L1D_FLUSH_TRIG2)
- types |= L1D_FLUSH_MTTRIG;
- if (result.character & H_CPU_CHAR_L1D_FLUSH_ORI30)
- types |= L1D_FLUSH_ORI;
+ /*
+ * We're the guest so this doesn't apply to us, clear it to simplify
+ * handling of it elsewhere.
+ */
+ security_ftr_clear(SEC_FTR_L1D_FLUSH_HV);
- /* Use fallback if nothing set in hcall */
- if (types == L1D_FLUSH_NONE)
- types = L1D_FLUSH_FALLBACK;
+ types = L1D_FLUSH_FALLBACK;
- if (!(result.behaviour & H_CPU_BEHAV_L1D_FLUSH_PR))
- enable = false;
- } else {
- /* Default to fallback if case hcall is not available */
- types = L1D_FLUSH_FALLBACK;
- }
+ if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_TRIG2))
+ types |= L1D_FLUSH_MTTRIG;
+
+ if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_ORI30))
+ types |= L1D_FLUSH_ORI;
+
+ enable = security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY) && \
+ security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR);
setup_rfi_flush(types, enable);
}
@@ -510,6 +554,7 @@
fwnmi_init();
pseries_setup_rfi_flush();
+ setup_stf_barrier();
/* By default, only probe PCI (can be overridden by rtas_pci) */
pci_add_flags(PCI_PROBE_ONLY);
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index ead3e25..205dec18 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -626,7 +626,7 @@
int i;
u32 mask = 0;
- for (i = 0; i < min(32, NR_CPUS); ++i, cpumask >>= 1)
+ for (i = 0; i < min(32, NR_CPUS) && cpu_possible(i); ++i, cpumask >>= 1)
mask |= (cpumask & 1) << get_hard_smp_processor_id(i);
return mask;
}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 2c8b325..a5938fa 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2348,6 +2348,8 @@
DUMP(p, slb_cache_ptr, "x");
for (i = 0; i < SLB_CACHE_ENTRIES; i++)
printf(" slb_cache[%d]: = 0x%016lx\n", i, p->slb_cache[i]);
+
+ DUMP(p, rfi_flush_fallback_area, "px");
#endif
DUMP(p, dscr_default, "llx");
#ifdef CONFIG_PPC_BOOK3E
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index eb7b530..4f1f5fc 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -590,7 +590,7 @@
gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;
if (gpa && (scb_s->ecb & ECB_TE)) {
- if (!(gpa & ~0x1fffU)) {
+ if (!(gpa & ~0x1fffUL)) {
rc = set_validity_icpt(scb_s, 0x0080U);
goto unpin;
}
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index c001f78..28cc612 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -255,7 +255,7 @@
mov.l @r8, r8
jsr @r8
nop
- bra __restore_all
+ bra ret_from_exception
nop
CFI_ENDPROC
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index abad97e..28db058 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -83,7 +83,11 @@
#define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0)
#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
+static inline int atomic_xchg(atomic_t *v, int new)
+{
+ return xchg(&v->counter, new);
+}
static inline int __atomic_add_unless(atomic_t *v, int a, int u)
{
diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index 6f17528..ea53e41 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -9,10 +9,14 @@
void do_BUG(const char *file, int line);
#define BUG() do { \
do_BUG(__FILE__, __LINE__); \
+ barrier_before_unreachable(); \
__builtin_trap(); \
} while (0)
#else
-#define BUG() __builtin_trap()
+#define BUG() do { \
+ barrier_before_unreachable(); \
+ __builtin_trap(); \
+} while (0)
#endif
#define HAVE_ARCH_BUG
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 011a47b..717c921 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -1162,16 +1162,13 @@
per_cpu(pmc_prev_left[idx], smp_processor_id()) = left;
- if (!(hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) ||
- local64_read(&hwc->prev_count) != (u64)-left) {
- /*
- * The hw event starts counting from this event offset,
- * mark it to be able to extra future deltas:
- */
- local64_set(&hwc->prev_count, (u64)-left);
+ /*
+ * The hw event starts counting from this event offset,
+ * mark it to be able to extra future deltas:
+ */
+ local64_set(&hwc->prev_count, (u64)-left);
- wrmsrl(hwc->event_base, (u64)(-left) & x86_pmu.cntval_mask);
- }
+ wrmsrl(hwc->event_base, (u64)(-left) & x86_pmu.cntval_mask);
/*
* Due to erratum on certan cpu we need
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 9b18a22..6965ee8 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -2201,16 +2201,23 @@
int bit, loops;
u64 status;
int handled;
+ int pmu_enabled;
cpuc = this_cpu_ptr(&cpu_hw_events);
/*
+ * Save the PMU state.
+ * It needs to be restored when leaving the handler.
+ */
+ pmu_enabled = cpuc->enabled;
+ /*
* No known reason to not always do late ACK,
* but just in case do it opt-in.
*/
if (!x86_pmu.late_ack)
apic_write(APIC_LVTPC, APIC_DM_NMI);
intel_bts_disable_local();
+ cpuc->enabled = 0;
__intel_pmu_disable_all();
handled = intel_pmu_drain_bts_buffer();
handled += intel_bts_interrupt();
@@ -2320,7 +2327,8 @@
done:
/* Only restore PMU state when it's active. See x86_pmu_disable(). */
- if (cpuc->enabled)
+ cpuc->enabled = pmu_enabled;
+ if (pmu_enabled)
__intel_pmu_enable_all(0, true);
intel_bts_enable_local();
@@ -3188,7 +3196,7 @@
* Therefore the effective (average) period matches the requested period,
* despite coarser hardware granularity.
*/
-static unsigned bdw_limit_period(struct perf_event *event, unsigned left)
+static u64 bdw_limit_period(struct perf_event *event, u64 left)
{
if ((event->hw.config & INTEL_ARCH_EVENT_MASK) ==
X86_CONFIG(.event=0xc0, .umask=0x01)) {
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 8156e47..10b39d4 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1150,6 +1150,7 @@
if (pebs == NULL)
return;
+ regs->flags &= ~PERF_EFLAGS_EXACT;
sample_type = event->attr.sample_type;
dsrc = sample_type & PERF_SAMPLE_DATA_SRC;
@@ -1194,7 +1195,6 @@
*/
*regs = *iregs;
regs->flags = pebs->flags;
- set_linear_ip(regs, pebs->ip);
if (sample_type & PERF_SAMPLE_REGS_INTR) {
regs->ax = pebs->ax;
@@ -1230,13 +1230,22 @@
#endif
}
- if (event->attr.precise_ip > 1 && x86_pmu.intel_cap.pebs_format >= 2) {
- regs->ip = pebs->real_ip;
- regs->flags |= PERF_EFLAGS_EXACT;
- } else if (event->attr.precise_ip > 1 && intel_pmu_pebs_fixup_ip(regs))
- regs->flags |= PERF_EFLAGS_EXACT;
- else
- regs->flags &= ~PERF_EFLAGS_EXACT;
+ if (event->attr.precise_ip > 1) {
+ /* Haswell and later have the eventing IP, so use it: */
+ if (x86_pmu.intel_cap.pebs_format >= 2) {
+ set_linear_ip(regs, pebs->real_ip);
+ regs->flags |= PERF_EFLAGS_EXACT;
+ } else {
+ /* Otherwise use PEBS off-by-1 IP: */
+ set_linear_ip(regs, pebs->ip);
+
+ /* ... and try to fix it up using the LBR entries: */
+ if (intel_pmu_pebs_fixup_ip(regs))
+ regs->flags |= PERF_EFLAGS_EXACT;
+ }
+ } else
+ set_linear_ip(regs, pebs->ip);
+
if ((sample_type & (PERF_SAMPLE_ADDR | PERF_SAMPLE_PHYS_ADDR)) &&
x86_pmu.intel_cap.pebs_format >= 1)
@@ -1303,17 +1312,84 @@
return NULL;
}
+/*
+ * Special variant of intel_pmu_save_and_restart() for auto-reload.
+ */
+static int
+intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
+{
+ struct hw_perf_event *hwc = &event->hw;
+ int shift = 64 - x86_pmu.cntval_bits;
+ u64 period = hwc->sample_period;
+ u64 prev_raw_count, new_raw_count;
+ s64 new, old;
+
+ WARN_ON(!period);
+
+ /*
+ * drain_pebs() only happens when the PMU is disabled.
+ */
+ WARN_ON(this_cpu_read(cpu_hw_events.enabled));
+
+ prev_raw_count = local64_read(&hwc->prev_count);
+ rdpmcl(hwc->event_base_rdpmc, new_raw_count);
+ local64_set(&hwc->prev_count, new_raw_count);
+
+ /*
+ * Since the counter increments a negative counter value and
+ * overflows on the sign switch, giving the interval:
+ *
+ * [-period, 0]
+ *
+ * the difference between two consequtive reads is:
+ *
+ * A) value2 - value1;
+ * when no overflows have happened in between,
+ *
+ * B) (0 - value1) + (value2 - (-period));
+ * when one overflow happened in between,
+ *
+ * C) (0 - value1) + (n - 1) * (period) + (value2 - (-period));
+ * when @n overflows happened in between.
+ *
+ * Here A) is the obvious difference, B) is the extension to the
+ * discrete interval, where the first term is to the top of the
+ * interval and the second term is from the bottom of the next
+ * interval and C) the extension to multiple intervals, where the
+ * middle term is the whole intervals covered.
+ *
+ * An equivalent of C, by reduction, is:
+ *
+ * value2 - value1 + n * period
+ */
+ new = ((s64)(new_raw_count << shift) >> shift);
+ old = ((s64)(prev_raw_count << shift) >> shift);
+ local64_add(new - old + count * period, &event->count);
+
+ perf_event_update_userpage(event);
+
+ return 0;
+}
+
static void __intel_pmu_pebs_event(struct perf_event *event,
struct pt_regs *iregs,
void *base, void *top,
int bit, int count)
{
+ struct hw_perf_event *hwc = &event->hw;
struct perf_sample_data data;
struct pt_regs regs;
void *at = get_next_pebs_record_by_bit(base, top, bit);
- if (!intel_pmu_save_and_restart(event) &&
- !(event->hw.flags & PERF_X86_EVENT_AUTO_RELOAD))
+ if (hwc->flags & PERF_X86_EVENT_AUTO_RELOAD) {
+ /*
+ * Now, auto-reload is only enabled in fixed period mode.
+ * The reload value is always hwc->sample_period.
+ * May need to change it, if auto-reload is enabled in
+ * freq mode later.
+ */
+ intel_pmu_save_and_restart_reload(event, count);
+ } else if (!intel_pmu_save_and_restart(event))
return;
while (count > 1) {
@@ -1365,8 +1441,11 @@
return;
n = top - at;
- if (n <= 0)
+ if (n <= 0) {
+ if (event->hw.flags & PERF_X86_EVENT_AUTO_RELOAD)
+ intel_pmu_save_and_restart_reload(event, 0);
return;
+ }
__intel_pmu_pebs_event(event, iregs, at, top, 0, n);
}
@@ -1389,8 +1468,22 @@
ds->pebs_index = ds->pebs_buffer_base;
- if (unlikely(base >= top))
+ if (unlikely(base >= top)) {
+ /*
+ * The drain_pebs() could be called twice in a short period
+ * for auto-reload event in pmu::read(). There are no
+ * overflows have happened in between.
+ * It needs to call intel_pmu_save_and_restart_reload() to
+ * update the event->count for this case.
+ */
+ for_each_set_bit(bit, (unsigned long *)&cpuc->pebs_enabled,
+ x86_pmu.max_pebs_events) {
+ event = cpuc->events[bit];
+ if (event->hw.flags & PERF_X86_EVENT_AUTO_RELOAD)
+ intel_pmu_save_and_restart_reload(event, 0);
+ }
return;
+ }
for (at = base; at < top; at += x86_pmu.pebs_record_size) {
struct pebs_record_nhm *p = at;
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 8e4ea143..dc4728e 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -556,7 +556,7 @@
struct x86_pmu_quirk *quirks;
int perfctr_second_write;
bool late_ack;
- unsigned (*limit_period)(struct perf_event *event, unsigned l);
+ u64 (*limit_period)(struct perf_event *event, u64 l);
/*
* sysfs attrs
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index cf5961c..4cd6a3b 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -218,13 +218,11 @@
*/
#define alternative_call_2(oldfunc, newfunc1, feature1, newfunc2, feature2, \
output, input...) \
-{ \
asm volatile (ALTERNATIVE_2("call %P[old]", "call %P[new1]", feature1,\
"call %P[new2]", feature2) \
: output, ASM_CALL_CONSTRAINT \
: [old] "i" (oldfunc), [new1] "i" (newfunc1), \
- [new2] "i" (newfunc2), ## input); \
-}
+ [new2] "i" (newfunc2), ## input)
/*
* use this macro(s) if you need more than one output parameter
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index 704f313..875ca99 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -131,7 +131,12 @@
static inline unsigned long build_cr3_noflush(pgd_t *pgd, u16 asid)
{
VM_WARN_ON_ONCE(asid > MAX_ASID_AVAILABLE);
- VM_WARN_ON_ONCE(!this_cpu_has(X86_FEATURE_PCID));
+ /*
+ * Use boot_cpu_has() instead of this_cpu_has() as this function
+ * might be called during early boot. This should work even after
+ * boot because all CPU's the have same capabilities:
+ */
+ VM_WARN_ON_ONCE(!boot_cpu_has(X86_FEATURE_PCID));
return __sme_pa(pgd) | kern_pcid(asid) | CR3_NOFLUSH;
}
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 5942aa5..ebdcc36 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1481,7 +1481,7 @@
* TODO: set up through-local-APIC from through-I/O-APIC? --macro
*/
value = apic_read(APIC_LVT0) & APIC_LVT_MASKED;
- if (!cpu && (pic_mode || !value)) {
+ if (!cpu && (pic_mode || !value || skip_ioapic_setup)) {
value = APIC_DM_EXTINT;
apic_printk(APIC_VERBOSE, "enabled ExtINT on CPU#%d\n", cpu);
} else {
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index 7be35b6..2dae1b3 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -1657,6 +1657,7 @@
if (ret < 0)
goto out_common_fail;
closid = ret;
+ ret = 0;
rdtgrp->closid = closid;
list_add(&rdtgrp->rdtgroup_list, &rdt_all_groups);
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 76e0769..7fa0855 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -12,6 +12,7 @@
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/of_irq.h>
+#include <linux/libfdt.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/of_pci.h>
@@ -200,19 +201,22 @@
static int dt_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *arg)
{
- struct of_phandle_args *irq_data = (void *)arg;
+ struct irq_fwspec *fwspec = (struct irq_fwspec *)arg;
struct of_ioapic_type *it;
struct irq_alloc_info tmp;
+ int type_index;
- if (WARN_ON(irq_data->args_count < 2))
- return -EINVAL;
- if (irq_data->args[1] >= ARRAY_SIZE(of_ioapic_type))
+ if (WARN_ON(fwspec->param_count < 2))
return -EINVAL;
- it = &of_ioapic_type[irq_data->args[1]];
+ type_index = fwspec->param[1];
+ if (type_index >= ARRAY_SIZE(of_ioapic_type))
+ return -EINVAL;
+
+ it = &of_ioapic_type[type_index];
ioapic_set_alloc_attr(&tmp, NUMA_NO_NODE, it->trigger, it->polarity);
tmp.ioapic_id = mpc_ioapic_id(mp_irqdomain_ioapic_idx(domain));
- tmp.ioapic_pin = irq_data->args[0];
+ tmp.ioapic_pin = fwspec->param[0];
return mp_irqdomain_alloc(domain, virq, nr_irqs, &tmp);
}
@@ -276,14 +280,15 @@
map_len = max(PAGE_SIZE - (initial_dtb & ~PAGE_MASK), (u64)128);
- initial_boot_params = dt = early_memremap(initial_dtb, map_len);
- size = of_get_flat_dt_size();
+ dt = early_memremap(initial_dtb, map_len);
+ size = fdt_totalsize(dt);
if (map_len < size) {
early_memunmap(dt, map_len);
- initial_boot_params = dt = early_memremap(initial_dtb, size);
+ dt = early_memremap(initial_dtb, size);
map_len = size;
}
+ early_init_dt_verify(dt);
unflatten_and_copy_device_tree();
early_memunmap(dt, map_len);
}
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 4a96aa0..344d3c1 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1521,6 +1521,7 @@
cpumask_clear(topology_core_cpumask(cpu));
c->phys_proc_id = 0;
c->cpu_core_id = 0;
+ c->booted_cores = 0;
cpumask_clear_cpu(cpu, cpu_sibling_setup_mask);
recompute_smt_state();
}
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index d67e3b3..d1f5c74 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -394,8 +394,8 @@
/* cpuid 7.0.edx*/
const u32 kvm_cpuid_7_0_edx_x86_features =
- F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SSBD) |
- F(ARCH_CAPABILITIES);
+ F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) |
+ F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES);
/* all calls to cpuid_count() should be made on the same cpu */
get_cpu();
@@ -481,6 +481,11 @@
entry->ecx &= ~F(PKU);
entry->edx &= kvm_cpuid_7_0_edx_x86_features;
cpuid_mask(&entry->edx, CPUID_7_EDX);
+ /*
+ * We emulate ARCH_CAPABILITIES in software even
+ * if the host doesn't support it.
+ */
+ entry->edx |= F(ARCH_CAPABILITIES);
} else {
entry->ebx = 0;
entry->ecx = 0;
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index ab8993f..6d0fbff 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -321,8 +321,16 @@
if (!lapic_in_kernel(vcpu))
return;
+ /*
+ * KVM emulates 82093AA datasheet (with in-kernel IOAPIC implementation)
+ * which doesn't have EOI register; Some buggy OSes (e.g. Windows with
+ * Hyper-V role) disable EOI broadcast in lapic not checking for IOAPIC
+ * version first and level-triggered interrupts never get EOIed in
+ * IOAPIC.
+ */
feat = kvm_find_cpuid_entry(apic->vcpu, 0x1, 0);
- if (feat && (feat->ecx & (1 << (X86_FEATURE_X2APIC & 31))))
+ if (feat && (feat->ecx & (1 << (X86_FEATURE_X2APIC & 31))) &&
+ !ioapic_in_kernel(vcpu->kvm))
v |= APIC_LVR_DIRECTED_EOI;
kvm_lapic_set_reg(apic, APIC_LVR, v);
}
@@ -1467,11 +1475,23 @@
static void advance_periodic_target_expiration(struct kvm_lapic *apic)
{
- apic->lapic_timer.tscdeadline +=
- nsec_to_cycles(apic->vcpu, apic->lapic_timer.period);
+ ktime_t now = ktime_get();
+ u64 tscl = rdtsc();
+ ktime_t delta;
+
+ /*
+ * Synchronize both deadlines to the same time source or
+ * differences in the periods (caused by differences in the
+ * underlying clocks or numerical approximation errors) will
+ * cause the two to drift apart over time as the errors
+ * accumulate.
+ */
apic->lapic_timer.target_expiration =
ktime_add_ns(apic->lapic_timer.target_expiration,
apic->lapic_timer.period);
+ delta = ktime_sub(apic->lapic_timer.target_expiration, now);
+ apic->lapic_timer.tscdeadline = kvm_read_l1_tsc(apic->vcpu, tscl) +
+ nsec_to_cycles(apic->vcpu, delta);
}
static void start_sw_period(struct kvm_lapic *apic)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2e63edf..4c88572 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2583,6 +2583,8 @@
return;
}
+ WARN_ON_ONCE(vmx->emulation_required);
+
if (kvm_exception_is_soft(nr)) {
vmcs_write32(VM_ENTRY_INSTRUCTION_LEN,
vmx->vcpu.arch.event_exit_inst_len);
@@ -6829,12 +6831,12 @@
goto out;
}
- if (err != EMULATE_DONE) {
- vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
- vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
- vcpu->run->internal.ndata = 0;
- return 0;
- }
+ if (err != EMULATE_DONE)
+ goto emulation_error;
+
+ if (vmx->emulation_required && !vmx->rmode.vm86_active &&
+ vcpu->arch.exception.pending)
+ goto emulation_error;
if (vcpu->arch.halt_request) {
vcpu->arch.halt_request = 0;
@@ -6850,6 +6852,12 @@
out:
return ret;
+
+emulation_error:
+ vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
+ vcpu->run->internal.ndata = 0;
+ return 0;
}
static int __grow_ple_window(int val)
@@ -11174,7 +11182,12 @@
if (ret)
return ret;
- if (vmcs12->guest_activity_state == GUEST_ACTIVITY_HLT)
+ /*
+ * If we're entering a halted L2 vcpu and the L2 vcpu won't be woken
+ * by event injection, halt vcpu.
+ */
+ if ((vmcs12->guest_activity_state == GUEST_ACTIVITY_HLT) &&
+ !(vmcs12->vm_entry_intr_info_field & INTR_INFO_VALID_MASK))
return kvm_vcpu_halt(vcpu);
vmx->nested.nested_run_pending = 1;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 649f476..adac01d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7505,6 +7505,7 @@
{
struct msr_data apic_base_msr;
int mmu_reset_needed = 0;
+ int cpuid_update_needed = 0;
int pending_vec, max_bits, idx;
struct desc_ptr dt;
@@ -7542,8 +7543,10 @@
vcpu->arch.cr0 = sregs->cr0;
mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4;
+ cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) &
+ (X86_CR4_OSXSAVE | X86_CR4_PKE));
kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
- if (sregs->cr4 & (X86_CR4_OSXSAVE | X86_CR4_PKE))
+ if (cpuid_update_needed)
kvm_update_cpuid(vcpu);
idx = srcu_read_lock(&vcpu->kvm->srcu);
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 3ed9a08..4085897 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -298,9 +298,11 @@
/*
* The .rodata section needs to be read-only. Using the pfn
- * catches all aliases.
+ * catches all aliases. This also includes __ro_after_init,
+ * so do not enforce until kernel_set_to_readonly is true.
*/
- if (within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT,
+ if (kernel_set_to_readonly &&
+ within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT,
__pa_symbol(__end_rodata) >> PAGE_SHIFT))
pgprot_val(forbidden) |= _PAGE_RW;
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 34cda7e..c03c85e 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/mm.h>
#include <linux/gfp.h>
+#include <linux/hugetlb.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
@@ -636,6 +637,10 @@
(mtrr != MTRR_TYPE_WRBACK))
return 0;
+ /* Bail out if we are we on a populated non-leaf entry: */
+ if (pud_present(*pud) && !pud_huge(*pud))
+ return 0;
+
prot = pgprot_4k_2_large(prot);
set_pte((pte_t *)pud, pfn_pte(
@@ -664,6 +669,10 @@
return 0;
}
+ /* Bail out if we are we on a populated non-leaf entry: */
+ if (pmd_present(*pmd) && !pmd_huge(*pmd))
+ return 0;
+
prot = pgprot_4k_2_large(prot);
set_pte((pte_t *)pmd, pfn_pte(
diff --git a/block/partition-generic.c b/block/partition-generic.c
index 91622db..08dabcd 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -51,6 +51,12 @@
EXPORT_SYMBOL(bdevname);
+const char *bio_devname(struct bio *bio, char *buf)
+{
+ return disk_name(bio->bi_disk, bio->bi_partno, buf);
+}
+EXPORT_SYMBOL(bio_devname);
+
/*
* There's very little reason to use this, you should really
* have a struct block_device just about everywhere and use
diff --git a/crypto/asymmetric_keys/pkcs7_trust.c b/crypto/asymmetric_keys/pkcs7_trust.c
index f6a009d..52e5ea3 100644
--- a/crypto/asymmetric_keys/pkcs7_trust.c
+++ b/crypto/asymmetric_keys/pkcs7_trust.c
@@ -106,6 +106,7 @@
pr_devel("sinfo %u: Direct signer is key %x\n",
sinfo->index, key_serial(key));
x509 = NULL;
+ sig = sinfo->sig;
goto matched;
}
if (PTR_ERR(key) != -ENOKEY)
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 7544310..552c1f7 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -110,6 +110,7 @@
cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus);
if (cpumask_empty(tmp)) {
mutex_unlock(&round_robin_lock);
+ free_cpumask_var(tmp);
return;
}
for_each_cpu(cpu, tmp) {
@@ -127,6 +128,8 @@
mutex_unlock(&round_robin_lock);
set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu));
+
+ free_cpumask_var(tmp);
}
static void exit_round_robin(unsigned int tsk_index)
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index d3b6b31..37b0b4c 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -204,6 +204,7 @@
u32 fixed_status;
u32 fixed_enable;
u32 i;
+ acpi_status status;
ACPI_FUNCTION_NAME(ev_fixed_event_detect);
@@ -211,8 +212,12 @@
* Read the fixed feature status and enable registers, as all the cases
* depend on their values. Ignore errors here.
*/
- (void)acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
- (void)acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
+ status |=
+ acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+ if (ACPI_FAILURE(status)) {
+ return (int_status);
+ }
ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
"Fixed Event Block: Enable %08X Status %08X\n",
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index d22167c..f13d3cf 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -308,6 +308,14 @@
/* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
status = AE_OK;
+ } else if (ACPI_FAILURE(status)) {
+
+ /* If return_object exists, delete it */
+
+ if (info->return_object) {
+ acpi_ut_remove_reference(info->return_object);
+ info->return_object = NULL;
+ }
}
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index eb9dfac..11ce4e5 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -890,6 +890,10 @@
ACPI_POSSIBLE_METHOD_CALL);
if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) {
+
+ /* Free method call op and corresponding namestring sub-ob */
+
+ acpi_ps_free_op(arg->common.value.arg);
acpi_ps_free_op(arg);
arg = NULL;
walk_state->arg_count = 1;
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 473f150..71008db 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4483,6 +4483,10 @@
/* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */
{ "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, },
+ /* Some Sandisk SSDs lock up hard with NCQ enabled. Reported on
+ SD7SN6S256G and SD8SN8U256G */
+ { "SanDisk SD[78]SN*G", NULL, ATA_HORKAGE_NONCQ, },
+
/* devices which puke on READ_NATIVE_MAX */
{ "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, },
{ "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA },
@@ -4543,6 +4547,8 @@
{ "SanDisk SD7UB3Q*G1001", NULL, ATA_HORKAGE_NOLPM, },
/* devices that don't properly handle queued TRIM commands */
+ { "Micron_M500IT_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial_CT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 4ff69f5..6b0440a 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4287,7 +4287,7 @@
#ifdef ATA_DEBUG
struct scsi_device *scsidev = cmd->device;
- DPRINTK("CDB (%u:%d,%d,%d) %9ph\n",
+ DPRINTK("CDB (%u:%d,%d,%lld) %9ph\n",
ap->print_id,
scsidev->channel, scsidev->id, scsidev->lun,
cmd->cmnd);
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index efdadd1..8fd0802 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -98,7 +98,7 @@
int ret;
unsigned int val;
- if (map->cache == REGCACHE_NONE)
+ if (map->cache_type == REGCACHE_NONE)
return false;
if (!map->cache_ops)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5f2a424..86258b0 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1591,7 +1591,7 @@
if (new_index < 0) {
mutex_unlock(&nbd_index_mutex);
printk(KERN_ERR "nbd: failed to add new device\n");
- return ret;
+ return new_index;
}
nbd = idr_find(&nbd_index_idr, new_index);
}
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 69dfa1d..f01d4a8 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -68,6 +68,7 @@
NULLB_DEV_FL_CACHE = 3,
};
+#define MAP_SZ ((PAGE_SIZE >> SECTOR_SHIFT) + 2)
/*
* nullb_page is a page in memory for nullb devices.
*
@@ -82,10 +83,10 @@
*/
struct nullb_page {
struct page *page;
- unsigned long bitmap;
+ DECLARE_BITMAP(bitmap, MAP_SZ);
};
-#define NULLB_PAGE_LOCK (sizeof(unsigned long) * 8 - 1)
-#define NULLB_PAGE_FREE (sizeof(unsigned long) * 8 - 2)
+#define NULLB_PAGE_LOCK (MAP_SZ - 1)
+#define NULLB_PAGE_FREE (MAP_SZ - 2)
struct nullb_device {
struct nullb *nullb;
@@ -725,7 +726,7 @@
if (!t_page->page)
goto out_freepage;
- t_page->bitmap = 0;
+ memset(t_page->bitmap, 0, sizeof(t_page->bitmap));
return t_page;
out_freepage:
kfree(t_page);
@@ -735,13 +736,20 @@
static void null_free_page(struct nullb_page *t_page)
{
- __set_bit(NULLB_PAGE_FREE, &t_page->bitmap);
- if (test_bit(NULLB_PAGE_LOCK, &t_page->bitmap))
+ __set_bit(NULLB_PAGE_FREE, t_page->bitmap);
+ if (test_bit(NULLB_PAGE_LOCK, t_page->bitmap))
return;
__free_page(t_page->page);
kfree(t_page);
}
+static bool null_page_empty(struct nullb_page *page)
+{
+ int size = MAP_SZ - 2;
+
+ return find_first_bit(page->bitmap, size) == size;
+}
+
static void null_free_sector(struct nullb *nullb, sector_t sector,
bool is_cache)
{
@@ -756,9 +764,9 @@
t_page = radix_tree_lookup(root, idx);
if (t_page) {
- __clear_bit(sector_bit, &t_page->bitmap);
+ __clear_bit(sector_bit, t_page->bitmap);
- if (!t_page->bitmap) {
+ if (null_page_empty(t_page)) {
ret = radix_tree_delete_item(root, idx, t_page);
WARN_ON(ret != t_page);
null_free_page(ret);
@@ -829,7 +837,7 @@
t_page = radix_tree_lookup(root, idx);
WARN_ON(t_page && t_page->page->index != idx);
- if (t_page && (for_write || test_bit(sector_bit, &t_page->bitmap)))
+ if (t_page && (for_write || test_bit(sector_bit, t_page->bitmap)))
return t_page;
return NULL;
@@ -892,10 +900,10 @@
t_page = null_insert_page(nullb, idx << PAGE_SECTORS_SHIFT, true);
- __clear_bit(NULLB_PAGE_LOCK, &c_page->bitmap);
- if (test_bit(NULLB_PAGE_FREE, &c_page->bitmap)) {
+ __clear_bit(NULLB_PAGE_LOCK, c_page->bitmap);
+ if (test_bit(NULLB_PAGE_FREE, c_page->bitmap)) {
null_free_page(c_page);
- if (t_page && t_page->bitmap == 0) {
+ if (t_page && null_page_empty(t_page)) {
ret = radix_tree_delete_item(&nullb->dev->data,
idx, t_page);
null_free_page(t_page);
@@ -911,11 +919,11 @@
for (i = 0; i < PAGE_SECTORS;
i += (nullb->dev->blocksize >> SECTOR_SHIFT)) {
- if (test_bit(i, &c_page->bitmap)) {
+ if (test_bit(i, c_page->bitmap)) {
offset = (i << SECTOR_SHIFT);
memcpy(dst + offset, src + offset,
nullb->dev->blocksize);
- __set_bit(i, &t_page->bitmap);
+ __set_bit(i, t_page->bitmap);
}
}
@@ -952,10 +960,10 @@
* We found the page which is being flushed to disk by other
* threads
*/
- if (test_bit(NULLB_PAGE_LOCK, &c_pages[i]->bitmap))
+ if (test_bit(NULLB_PAGE_LOCK, c_pages[i]->bitmap))
c_pages[i] = NULL;
else
- __set_bit(NULLB_PAGE_LOCK, &c_pages[i]->bitmap);
+ __set_bit(NULLB_PAGE_LOCK, c_pages[i]->bitmap);
}
one_round = 0;
@@ -1008,7 +1016,7 @@
kunmap_atomic(dst);
kunmap_atomic(src);
- __set_bit(sector & SECTOR_MASK, &t_page->bitmap);
+ __set_bit(sector & SECTOR_MASK, t_page->bitmap);
if (is_fua)
null_free_sector(nullb, sector, true);
@@ -1922,10 +1930,6 @@
struct nullb *nullb;
struct nullb_device *dev;
- /* check for nullb_page.bitmap */
- if (sizeof(unsigned long) * 8 - 2 < (PAGE_SIZE >> SECTOR_SHIFT))
- return -EINVAL;
-
if (g_bs > PAGE_SIZE) {
pr_warn("null_blk: invalid block size\n");
pr_warn("null_blk: defaults block size to %lu\n", PAGE_SIZE);
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 7b8c636..a026211 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -230,6 +230,8 @@
struct pcd_unit *cd = bdev->bd_disk->private_data;
int ret;
+ check_disk_change(bdev);
+
mutex_lock(&pcd_mutex);
ret = cdrom_open(&cd->info, bdev, mode);
mutex_unlock(&pcd_mutex);
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 891265a..7d23225 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -262,6 +262,7 @@
static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo);
static void blkfront_gather_backend_features(struct blkfront_info *info);
+static int negotiate_mq(struct blkfront_info *info);
static int get_id_from_freelist(struct blkfront_ring_info *rinfo)
{
@@ -1774,11 +1775,18 @@
unsigned int i, max_page_order;
unsigned int ring_page_order;
+ if (!info)
+ return -ENODEV;
+
max_page_order = xenbus_read_unsigned(info->xbdev->otherend,
"max-ring-page-order", 0);
ring_page_order = min(xen_blkif_max_ring_order, max_page_order);
info->nr_ring_pages = 1 << ring_page_order;
+ err = negotiate_mq(info);
+ if (err)
+ goto destroy_blkring;
+
for (i = 0; i < info->nr_rings; i++) {
struct blkfront_ring_info *rinfo = &info->rinfo[i];
@@ -1978,11 +1986,6 @@
}
info->xbdev = dev;
- err = negotiate_mq(info);
- if (err) {
- kfree(info);
- return err;
- }
mutex_init(&info->mutex);
info->vdevice = vdevice;
@@ -2099,10 +2102,6 @@
blkif_free(info, info->connected == BLKIF_STATE_CONNECTED);
- err = negotiate_mq(info);
- if (err)
- return err;
-
err = talk_to_blkback(dev, info);
if (!err)
blk_mq_update_nr_hw_queues(&info->tag_set, info->nr_rings);
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 5f7d865..bfc566d 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1152,9 +1152,6 @@
cd_dbg(CD_OPEN, "entering cdrom_open\n");
- /* open is event synchronization point, check events first */
- check_disk_change(bdev);
-
/* if this was a O_NONBLOCK open and we should honor the flags,
* do a quick open without drive/disc integrity checks. */
cdi->use_count++;
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 6495b03f..ae3a753 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -497,6 +497,9 @@
static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode)
{
int ret;
+
+ check_disk_change(bdev);
+
mutex_lock(&gdrom_mutex);
ret = cdrom_open(gd.cd_info, bdev, mode);
mutex_unlock(&gdrom_mutex);
diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
index 63d84e6..83c6959 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -21,6 +21,7 @@
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#define RNG_CR 0x00
@@ -46,6 +47,7 @@
struct hwrng rng;
void __iomem *base;
struct clk *clk;
+ struct reset_control *rst;
};
static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
@@ -140,6 +142,13 @@
if (IS_ERR(priv->clk))
return PTR_ERR(priv->clk);
+ priv->rst = devm_reset_control_get(&ofdev->dev, NULL);
+ if (!IS_ERR(priv->rst)) {
+ reset_control_assert(priv->rst);
+ udelay(2);
+ reset_control_deassert(priv->rst);
+ }
+
dev_set_drvdata(dev, priv);
priv->rng.name = dev_driver_string(dev),
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 0aea3bc..6f2eaba 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -763,7 +763,7 @@
ssif_info->ssif_state = SSIF_NORMAL;
ipmi_ssif_unlock_cond(ssif_info, flags);
pr_warn(PFX "Error getting flags: %d %d, %x\n",
- result, len, data[2]);
+ result, len, (len >= 3) ? data[2] : 0);
} else if (data[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2
|| data[1] != IPMI_GET_MSG_FLAGS_CMD) {
/*
@@ -785,7 +785,7 @@
if ((result < 0) || (len < 3) || (data[2] != 0)) {
/* Error clearing flags */
pr_warn(PFX "Error clearing flags: %d %d, %x\n",
- result, len, data[2]);
+ result, len, (len >= 3) ? data[2] : 0);
} else if (data[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2
|| data[1] != IPMI_CLEAR_MSG_FLAGS_CMD) {
pr_warn(PFX "Invalid response clearing flags: %x %x\n",
diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c
index 3ee7e6f..846d18d 100644
--- a/drivers/clocksource/fsl_ftm_timer.c
+++ b/drivers/clocksource/fsl_ftm_timer.c
@@ -281,7 +281,7 @@
static unsigned long __init ftm_clk_init(struct device_node *np)
{
- unsigned long freq;
+ long freq;
freq = __ftm_clk_init(np, "ftm-evt-counter-en", "ftm-evt");
if (freq <= 0)
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index ae3167c..a07f512 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -164,7 +164,7 @@
/* Set clocksource mask. */
count_width = read_gic_config() & GIC_CONFIG_COUNTBITS;
- count_width >>= __fls(GIC_CONFIG_COUNTBITS);
+ count_width >>= __ffs(GIC_CONFIG_COUNTBITS);
count_width *= 4;
count_width += 32;
gic_clocksource.mask = CLOCKSOURCE_MASK(count_width);
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index dcb1cb9..8b432d6 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -167,9 +167,19 @@
NSEC_PER_USEC;
policy->shared_type = cpu->shared_type;
- if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
+ if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) {
+ int i;
+
cpumask_copy(policy->cpus, cpu->shared_cpu_map);
- else if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL) {
+
+ for_each_cpu(i, policy->cpus) {
+ if (unlikely(i == policy->cpu))
+ continue;
+
+ memcpy(&all_cpu_data[i]->perf_caps, &cpu->perf_caps,
+ sizeof(cpu->perf_caps));
+ }
+ } else if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL) {
/* Support only SW_ANY for now. */
pr_debug("Unsupported CPU co-ord type\n");
return -EFAULT;
@@ -233,8 +243,13 @@
return ret;
out:
- for_each_possible_cpu(i)
- kfree(all_cpu_data[i]);
+ for_each_possible_cpu(i) {
+ cpu = all_cpu_data[i];
+ if (!cpu)
+ break;
+ free_cpumask_var(cpu->shared_cpu_map);
+ kfree(cpu);
+ }
kfree(all_cpu_data);
return -ENODEV;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8e9c2c0..fa4aa01 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1318,14 +1318,14 @@
return 0;
out_exit_policy:
+ for_each_cpu(j, policy->real_cpus)
+ remove_cpu_dev_symlink(policy, get_cpu_device(j));
+
up_write(&policy->rwsem);
if (cpufreq_driver->exit)
cpufreq_driver->exit(policy);
- for_each_cpu(j, policy->real_cpus)
- remove_cpu_dev_symlink(policy, get_cpu_device(j));
-
out_free_policy:
cpufreq_policy_free(policy);
return ret;
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c
index f652a0e..3548caa 100644
--- a/drivers/dma/mv_xor_v2.c
+++ b/drivers/dma/mv_xor_v2.c
@@ -163,6 +163,7 @@
void __iomem *dma_base;
void __iomem *glob_base;
struct clk *clk;
+ struct clk *reg_clk;
struct tasklet_struct irq_tasklet;
struct list_head free_sw_desc;
struct dma_device dmadev;
@@ -749,13 +750,26 @@
if (ret)
return ret;
+ xor_dev->reg_clk = devm_clk_get(&pdev->dev, "reg");
+ if (PTR_ERR(xor_dev->reg_clk) != -ENOENT) {
+ if (!IS_ERR(xor_dev->reg_clk)) {
+ ret = clk_prepare_enable(xor_dev->reg_clk);
+ if (ret)
+ return ret;
+ } else {
+ return PTR_ERR(xor_dev->reg_clk);
+ }
+ }
+
xor_dev->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
+ if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) {
+ ret = EPROBE_DEFER;
+ goto disable_reg_clk;
+ }
if (!IS_ERR(xor_dev->clk)) {
ret = clk_prepare_enable(xor_dev->clk);
if (ret)
- return ret;
+ goto disable_reg_clk;
}
ret = platform_msi_domain_alloc_irqs(&pdev->dev, 1,
@@ -866,8 +880,9 @@
free_msi_irqs:
platform_msi_domain_free_irqs(&pdev->dev);
disable_clk:
- if (!IS_ERR(xor_dev->clk))
- clk_disable_unprepare(xor_dev->clk);
+ clk_disable_unprepare(xor_dev->clk);
+disable_reg_clk:
+ clk_disable_unprepare(xor_dev->reg_clk);
return ret;
}
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index f122c2a..7432c88 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1510,7 +1510,7 @@
/* Returns 1 if state was updated, 0 otherwise */
static int pl330_update(struct pl330_dmac *pl330)
{
- struct dma_pl330_desc *descdone, *tmp;
+ struct dma_pl330_desc *descdone;
unsigned long flags;
void __iomem *regs;
u32 val;
@@ -1588,7 +1588,9 @@
}
/* Now that we are in no hurry, do the callbacks */
- list_for_each_entry_safe(descdone, tmp, &pl330->req_done, rqd) {
+ while (!list_empty(&pl330->req_done)) {
+ descdone = list_first_entry(&pl330->req_done,
+ struct dma_pl330_desc, rqd);
list_del(&descdone->rqd);
spin_unlock_irqrestore(&pl330->lock, flags);
dma_pl330_rqcb(descdone, PL330_ERR_NONE);
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 6d89fb6..8fbf175 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -388,6 +388,7 @@
struct device_dma_parameters dma_parms;
struct bam_chan *channels;
u32 num_channels;
+ u32 num_ees;
/* execution environment ID, from DT */
u32 ee;
@@ -1080,15 +1081,19 @@
u32 val;
/* read revision and configuration information */
- val = readl_relaxed(bam_addr(bdev, 0, BAM_REVISION)) >> NUM_EES_SHIFT;
- val &= NUM_EES_MASK;
+ if (!bdev->num_ees) {
+ val = readl_relaxed(bam_addr(bdev, 0, BAM_REVISION));
+ bdev->num_ees = (val >> NUM_EES_SHIFT) & NUM_EES_MASK;
+ }
/* check that configured EE is within range */
- if (bdev->ee >= val)
+ if (bdev->ee >= bdev->num_ees)
return -EINVAL;
- val = readl_relaxed(bam_addr(bdev, 0, BAM_NUM_PIPES));
- bdev->num_channels = val & BAM_NUM_PIPES_MASK;
+ if (!bdev->num_channels) {
+ val = readl_relaxed(bam_addr(bdev, 0, BAM_NUM_PIPES));
+ bdev->num_channels = val & BAM_NUM_PIPES_MASK;
+ }
if (bdev->controlled_remotely)
return 0;
@@ -1183,6 +1188,18 @@
bdev->controlled_remotely = of_property_read_bool(pdev->dev.of_node,
"qcom,controlled-remotely");
+ if (bdev->controlled_remotely) {
+ ret = of_property_read_u32(pdev->dev.of_node, "num-channels",
+ &bdev->num_channels);
+ if (ret)
+ dev_err(bdev->dev, "num-channels unspecified in dt\n");
+
+ ret = of_property_read_u32(pdev->dev.of_node, "qcom,num-ees",
+ &bdev->num_ees);
+ if (ret)
+ dev_err(bdev->dev, "num-ees unspecified in dt\n");
+ }
+
bdev->bamclk = devm_clk_get(bdev->dev, "bam_clk");
if (IS_ERR(bdev->bamclk))
return PTR_ERR(bdev->bamclk);
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 2b2c7db..9d6ce50 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -880,7 +880,7 @@
rcar_dmac_chan_configure_desc(chan, desc);
- max_chunk_size = (RCAR_DMATCR_MASK + 1) << desc->xfer_shift;
+ max_chunk_size = RCAR_DMATCR_MASK << desc->xfer_shift;
/*
* Allocate and fill the transfer chunk descriptors. We own the only
@@ -1264,8 +1264,17 @@
* If the cookie doesn't correspond to the currently running transfer
* then the descriptor hasn't been processed yet, and the residue is
* equal to the full descriptor size.
+ * Also, a client driver is possible to call this function before
+ * rcar_dmac_isr_channel_thread() runs. In this case, the "desc.running"
+ * will be the next descriptor, and the done list will appear. So, if
+ * the argument cookie matches the done list's cookie, we can assume
+ * the residue is zero.
*/
if (cookie != desc->async_tx.cookie) {
+ list_for_each_entry(desc, &chan->desc.done, node) {
+ if (cookie == desc->async_tx.cookie)
+ return 0;
+ }
list_for_each_entry(desc, &chan->desc.pending, node) {
if (cookie == desc->async_tx.cookie)
return desc->size;
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index e8db965..fe0d303 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -191,7 +191,7 @@
char *s;
int is_ff = 1, is_00 = 1, i;
- if (dmi_ident[slot] || dm->length <= index + 16)
+ if (dmi_ident[slot] || dm->length < index + 16)
return;
d = (u8 *) dm + index;
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 1cc41c3..86a1ad1 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -54,6 +54,9 @@
static int __init ptdump_init(void)
{
+ if (!efi_enabled(EFI_RUNTIME_SERVICES))
+ return 0;
+
return ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables");
}
device_initcall(ptdump_init);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 8d689ab..1ef486b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -26,6 +26,7 @@
#define AMDGPU_AMDKFD_H_INCLUDED
#include <linux/types.h>
+#include <linux/mm.h>
#include <linux/mmu_context.h>
#include <kgd_kfd_interface.h>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 659997b..cd84bd0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -322,14 +322,45 @@
{
unsigned i;
int r, ret = 0;
+ long tmo_gfx, tmo_mm;
+
+ tmo_mm = tmo_gfx = AMDGPU_IB_TEST_TIMEOUT;
+ if (amdgpu_sriov_vf(adev)) {
+ /* for MM engines in hypervisor side they are not scheduled together
+ * with CP and SDMA engines, so even in exclusive mode MM engine could
+ * still running on other VF thus the IB TEST TIMEOUT for MM engines
+ * under SR-IOV should be set to a long time. 8 sec should be enough
+ * for the MM comes back to this VF.
+ */
+ tmo_mm = 8 * AMDGPU_IB_TEST_TIMEOUT;
+ }
+
+ if (amdgpu_sriov_runtime(adev)) {
+ /* for CP & SDMA engines since they are scheduled together so
+ * need to make the timeout width enough to cover the time
+ * cost waiting for it coming back under RUNTIME only
+ */
+ tmo_gfx = 8 * AMDGPU_IB_TEST_TIMEOUT;
+ }
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
+ long tmo;
if (!ring || !ring->ready)
continue;
- r = amdgpu_ring_test_ib(ring, AMDGPU_IB_TEST_TIMEOUT);
+ /* MM engine need more time */
+ if (ring->funcs->type == AMDGPU_RING_TYPE_UVD ||
+ ring->funcs->type == AMDGPU_RING_TYPE_VCE ||
+ ring->funcs->type == AMDGPU_RING_TYPE_UVD_ENC ||
+ ring->funcs->type == AMDGPU_RING_TYPE_VCN_DEC ||
+ ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
+ tmo = tmo_mm;
+ else
+ tmo = tmo_gfx;
+
+ r = amdgpu_ring_test_ib(ring, tmo);
if (r) {
ring->ready = false;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 69182ee..1a30c54 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2889,7 +2889,13 @@
amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
if (amdgpu_sriov_vf(adev)) {
- pr_debug("For SRIOV client, shouldn't do anything.\n");
+ gfx_v9_0_cp_gfx_enable(adev, false);
+ /* must disable polling for SRIOV when hw finished, otherwise
+ * CPC engine may still keep fetching WB address which is already
+ * invalid after sw finished and trigger DMAR reading error in
+ * hypervisor side.
+ */
+ WREG32_FIELD15(GC, 0, CP_PQ_WPTR_POLL_CNTL, EN, 0);
return 0;
}
gfx_v9_0_cp_enable(adev, false);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 6dc0f6e..a1d7142 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -456,7 +456,10 @@
adev->mc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);
if (!adev->mc.vram_width) {
/* hbm memory channel size */
- chansize = 128;
+ if (adev->flags & AMD_IS_APU)
+ chansize = 64;
+ else
+ chansize = 128;
tmp = RREG32_SOC15(DF, 0, mmDF_CS_AON0_DramBaseAddress0);
tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 1d31260..308571b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -166,8 +166,7 @@
packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base;
packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit;
- /* TODO: scratch support */
- packet->sh_hidden_private_base_vmid = 0;
+ packet->sh_hidden_private_base_vmid = qpd->sh_hidden_private_base;
packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h
index 5f4c2e8..d665dd5 100644
--- a/drivers/gpu/drm/ast/ast_tables.h
+++ b/drivers/gpu/drm/ast/ast_tables.h
@@ -97,7 +97,7 @@
{0x67, 0x22, 0x00}, /* 0E: VCLK157_5 */
{0x6A, 0x22, 0x00}, /* 0F: VCLK162 */
{0x4d, 0x4c, 0x80}, /* 10: VCLK154 */
- {0xa7, 0x78, 0x80}, /* 11: VCLK83.5 */
+ {0x68, 0x6f, 0x80}, /* 11: VCLK83.5 */
{0x28, 0x49, 0x80}, /* 12: VCLK106.5 */
{0x37, 0x49, 0x80}, /* 13: VCLK146.25 */
{0x1f, 0x45, 0x80}, /* 14: VCLK148.5 */
@@ -127,7 +127,7 @@
{0x67, 0x22, 0x00}, /* 0E: VCLK157_5 */
{0x6A, 0x22, 0x00}, /* 0F: VCLK162 */
{0x4d, 0x4c, 0x80}, /* 10: VCLK154 */
- {0xa7, 0x78, 0x80}, /* 11: VCLK83.5 */
+ {0x68, 0x6f, 0x80}, /* 11: VCLK83.5 */
{0x28, 0x49, 0x80}, /* 12: VCLK106.5 */
{0x37, 0x49, 0x80}, /* 13: VCLK146.25 */
{0x1f, 0x45, 0x80}, /* 14: VCLK148.5 */
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index b1ab4ab..60373d7 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -137,7 +137,9 @@
struct sii902x *sii902x = connector_to_sii902x(connector);
struct regmap *regmap = sii902x->regmap;
u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ struct device *dev = &sii902x->i2c->dev;
unsigned long timeout;
+ unsigned int retries;
unsigned int status;
struct edid *edid;
int num = 0;
@@ -159,7 +161,7 @@
time_before(jiffies, timeout));
if (!(status & SII902X_SYS_CTRL_DDC_BUS_GRTD)) {
- dev_err(&sii902x->i2c->dev, "failed to acquire the i2c bus\n");
+ dev_err(dev, "failed to acquire the i2c bus\n");
return -ETIMEDOUT;
}
@@ -179,9 +181,19 @@
if (ret)
return ret;
- ret = regmap_read(regmap, SII902X_SYS_CTRL_DATA, &status);
+ /*
+ * Sometimes the I2C bus can stall after failure to use the
+ * EDID channel. Retry a few times to see if things clear
+ * up, else continue anyway.
+ */
+ retries = 5;
+ do {
+ ret = regmap_read(regmap, SII902X_SYS_CTRL_DATA,
+ &status);
+ retries--;
+ } while (ret && retries);
if (ret)
- return ret;
+ dev_err(dev, "failed to read status (%d)\n", ret);
ret = regmap_update_bits(regmap, SII902X_SYS_CTRL_DATA,
SII902X_SYS_CTRL_DDC_BUS_REQ |
@@ -201,7 +213,7 @@
if (status & (SII902X_SYS_CTRL_DDC_BUS_REQ |
SII902X_SYS_CTRL_DDC_BUS_GRTD)) {
- dev_err(&sii902x->i2c->dev, "failed to release the i2c bus\n");
+ dev_err(dev, "failed to release the i2c bus\n");
return -ETIMEDOUT;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 2b8bf2d..9effe40 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -926,7 +926,7 @@
struct drm_device *drm_dev = g2d->subdrv.drm_dev;
struct g2d_runqueue_node *runqueue_node = g2d->runqueue_node;
struct drm_exynos_pending_g2d_event *e;
- struct timeval now;
+ struct timespec64 now;
if (list_empty(&runqueue_node->event_list))
return;
@@ -934,9 +934,9 @@
e = list_first_entry(&runqueue_node->event_list,
struct drm_exynos_pending_g2d_event, base.link);
- do_gettimeofday(&now);
+ ktime_get_ts64(&now);
e->event.tv_sec = now.tv_sec;
- e->event.tv_usec = now.tv_usec;
+ e->event.tv_usec = now.tv_nsec / NSEC_PER_USEC;
e->event.cmdlist_no = cmdlist_no;
drm_send_event(drm_dev, &e->base);
diff --git a/drivers/gpu/drm/exynos/regs-fimc.h b/drivers/gpu/drm/exynos/regs-fimc.h
index 3049613..d7cbe53 100644
--- a/drivers/gpu/drm/exynos/regs-fimc.h
+++ b/drivers/gpu/drm/exynos/regs-fimc.h
@@ -569,7 +569,7 @@
#define EXYNOS_CIIMGEFF_FIN_EMBOSSING (4 << 26)
#define EXYNOS_CIIMGEFF_FIN_SILHOUETTE (5 << 26)
#define EXYNOS_CIIMGEFF_FIN_MASK (7 << 26)
-#define EXYNOS_CIIMGEFF_PAT_CBCR_MASK ((0xff < 13) | (0xff < 0))
+#define EXYNOS_CIIMGEFF_PAT_CBCR_MASK ((0xff << 13) | (0xff << 0))
/* Real input DMA size register */
#define EXYNOS_CIREAL_ISIZE_AUTOLOAD_ENABLE (1 << 31)
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 53e0b24..d976391 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -225,7 +225,11 @@
struct drm_crtc_state *old_crtc_state)
{
drm_crtc_vblank_on(crtc);
+}
+static void ipu_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
+{
spin_lock_irq(&crtc->dev->event_lock);
if (crtc->state->event) {
WARN_ON(drm_crtc_vblank_get(crtc));
@@ -293,6 +297,7 @@
.mode_set_nofb = ipu_crtc_mode_set_nofb,
.atomic_check = ipu_crtc_atomic_check,
.atomic_begin = ipu_crtc_atomic_begin,
+ .atomic_flush = ipu_crtc_atomic_flush,
.atomic_disable = ipu_crtc_atomic_disable,
.atomic_enable = ipu_crtc_atomic_enable,
};
diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c
index 5155f01..0552020 100644
--- a/drivers/gpu/drm/meson/meson_crtc.c
+++ b/drivers/gpu/drm/meson/meson_crtc.c
@@ -36,6 +36,7 @@
#include "meson_venc.h"
#include "meson_vpp.h"
#include "meson_viu.h"
+#include "meson_canvas.h"
#include "meson_registers.h"
/* CRTC definition */
@@ -192,6 +193,11 @@
} else
meson_vpp_disable_interlace_vscaler_osd1(priv);
+ meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1,
+ priv->viu.osd1_addr, priv->viu.osd1_stride,
+ priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
+ MESON_CANVAS_BLKMODE_LINEAR);
+
/* Enable OSD1 */
writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,
priv->io_base + _REG(VPP_MISC));
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 7742c7d..4ad8223 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -180,40 +180,51 @@
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vpu");
regs = devm_ioremap_resource(dev, res);
- if (IS_ERR(regs))
- return PTR_ERR(regs);
+ if (IS_ERR(regs)) {
+ ret = PTR_ERR(regs);
+ goto free_drm;
+ }
priv->io_base = regs;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi");
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
- if (!regs)
- return -EADDRNOTAVAIL;
+ if (!regs) {
+ ret = -EADDRNOTAVAIL;
+ goto free_drm;
+ }
priv->hhi = devm_regmap_init_mmio(dev, regs,
&meson_regmap_config);
if (IS_ERR(priv->hhi)) {
dev_err(&pdev->dev, "Couldn't create the HHI regmap\n");
- return PTR_ERR(priv->hhi);
+ ret = PTR_ERR(priv->hhi);
+ goto free_drm;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
/* Simply ioremap since it may be a shared register zone */
regs = devm_ioremap(dev, res->start, resource_size(res));
- if (!regs)
- return -EADDRNOTAVAIL;
+ if (!regs) {
+ ret = -EADDRNOTAVAIL;
+ goto free_drm;
+ }
priv->dmc = devm_regmap_init_mmio(dev, regs,
&meson_regmap_config);
if (IS_ERR(priv->dmc)) {
dev_err(&pdev->dev, "Couldn't create the DMC regmap\n");
- return PTR_ERR(priv->dmc);
+ ret = PTR_ERR(priv->dmc);
+ goto free_drm;
}
priv->vsync_irq = platform_get_irq(pdev, 0);
- drm_vblank_init(drm, 1);
+ ret = drm_vblank_init(drm, 1);
+ if (ret)
+ goto free_drm;
+
drm_mode_config_init(drm);
drm->mode_config.max_width = 3840;
drm->mode_config.max_height = 2160;
diff --git a/drivers/gpu/drm/meson/meson_drv.h b/drivers/gpu/drm/meson/meson_drv.h
index 5e8b392..8450d6ac 100644
--- a/drivers/gpu/drm/meson/meson_drv.h
+++ b/drivers/gpu/drm/meson/meson_drv.h
@@ -43,6 +43,9 @@
bool osd1_commit;
uint32_t osd1_ctrl_stat;
uint32_t osd1_blk0_cfg[5];
+ uint32_t osd1_addr;
+ uint32_t osd1_stride;
+ uint32_t osd1_height;
} viu;
struct {
diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
index 17e96fa..0b6011b 100644
--- a/drivers/gpu/drm/meson/meson_plane.c
+++ b/drivers/gpu/drm/meson/meson_plane.c
@@ -164,10 +164,9 @@
/* Update Canvas with buffer address */
gem = drm_fb_cma_get_gem_obj(fb, 0);
- meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1,
- gem->paddr, fb->pitches[0],
- fb->height, MESON_CANVAS_WRAP_NONE,
- MESON_CANVAS_BLKMODE_LINEAR);
+ priv->viu.osd1_addr = gem->paddr;
+ priv->viu.osd1_stride = fb->pitches[0];
+ priv->viu.osd1_height = fb->height;
spin_unlock_irqrestore(&priv->drm->event_lock, flags);
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index f56f60f..debbbf0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -134,7 +134,7 @@
struct nouveau_encoder *nv_encoder = bl_get_data(bd);
struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
struct nvif_object *device = &drm->client.device.object;
- int or = nv_encoder->or;
+ int or = ffs(nv_encoder->dcb->or) - 1;
u32 div = 1025;
u32 val;
@@ -149,7 +149,7 @@
struct nouveau_encoder *nv_encoder = bl_get_data(bd);
struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
struct nvif_object *device = &drm->client.device.object;
- int or = nv_encoder->or;
+ int or = ffs(nv_encoder->dcb->or) - 1;
u32 div = 1025;
u32 val = (bd->props.brightness * div) / 100;
@@ -170,7 +170,7 @@
struct nouveau_encoder *nv_encoder = bl_get_data(bd);
struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
struct nvif_object *device = &drm->client.device.object;
- int or = nv_encoder->or;
+ int or = ffs(nv_encoder->dcb->or) - 1;
u32 div, val;
div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or));
@@ -188,7 +188,7 @@
struct nouveau_encoder *nv_encoder = bl_get_data(bd);
struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev);
struct nvif_object *device = &drm->client.device.object;
- int or = nv_encoder->or;
+ int or = ffs(nv_encoder->dcb->or) - 1;
u32 div, val;
div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or));
@@ -228,7 +228,7 @@
return -ENODEV;
}
- if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(nv_encoder->or)))
+ if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(ffs(nv_encoder->dcb->or) - 1)))
return 0;
if (drm->client.device.info.chipset <= 0xa0 ||
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index d1755f1..41ebb37 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -1299,88 +1299,18 @@
static int dss_bind(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct resource *dss_mem;
- u32 rev;
int r;
- dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0);
- dss.base = devm_ioremap_resource(&pdev->dev, dss_mem);
- if (IS_ERR(dss.base))
- return PTR_ERR(dss.base);
-
- r = dss_get_clocks();
+ r = component_bind_all(dev, NULL);
if (r)
return r;
- r = dss_setup_default_clock();
- if (r)
- goto err_setup_clocks;
-
- r = dss_video_pll_probe(pdev);
- if (r)
- goto err_pll_init;
-
- r = dss_init_ports(pdev);
- if (r)
- goto err_init_ports;
-
- pm_runtime_enable(&pdev->dev);
-
- r = dss_runtime_get();
- if (r)
- goto err_runtime_get;
-
- dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
-
- /* Select DPLL */
- REG_FLD_MOD(DSS_CONTROL, 0, 0, 0);
-
- dss_select_dispc_clk_source(DSS_CLK_SRC_FCK);
-
-#ifdef CONFIG_OMAP2_DSS_VENC
- REG_FLD_MOD(DSS_CONTROL, 1, 4, 4); /* venc dac demen */
- REG_FLD_MOD(DSS_CONTROL, 1, 3, 3); /* venc clock 4x enable */
- REG_FLD_MOD(DSS_CONTROL, 0, 2, 2); /* venc clock mode = normal */
-#endif
- dss.dsi_clk_source[0] = DSS_CLK_SRC_FCK;
- dss.dsi_clk_source[1] = DSS_CLK_SRC_FCK;
- dss.dispc_clk_source = DSS_CLK_SRC_FCK;
- dss.lcd_clk_source[0] = DSS_CLK_SRC_FCK;
- dss.lcd_clk_source[1] = DSS_CLK_SRC_FCK;
-
- rev = dss_read_reg(DSS_REVISION);
- pr_info("OMAP DSS rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
-
- dss_runtime_put();
-
- r = component_bind_all(&pdev->dev, NULL);
- if (r)
- goto err_component;
-
- dss_debugfs_create_file("dss", dss_dump_regs);
-
pm_set_vt_switch(0);
omapdss_gather_components(dev);
omapdss_set_is_initialized(true);
return 0;
-
-err_component:
-err_runtime_get:
- pm_runtime_disable(&pdev->dev);
- dss_uninit_ports(pdev);
-err_init_ports:
- if (dss.video1_pll)
- dss_video_pll_uninit(dss.video1_pll);
-
- if (dss.video2_pll)
- dss_video_pll_uninit(dss.video2_pll);
-err_pll_init:
-err_setup_clocks:
- dss_put_clocks();
- return r;
}
static void dss_unbind(struct device *dev)
@@ -1390,18 +1320,6 @@
omapdss_set_is_initialized(false);
component_unbind_all(&pdev->dev, NULL);
-
- if (dss.video1_pll)
- dss_video_pll_uninit(dss.video1_pll);
-
- if (dss.video2_pll)
- dss_video_pll_uninit(dss.video2_pll);
-
- dss_uninit_ports(pdev);
-
- pm_runtime_disable(&pdev->dev);
-
- dss_put_clocks();
}
static const struct component_master_ops dss_component_ops = {
@@ -1433,10 +1351,46 @@
return 0;
}
+static int dss_probe_hardware(void)
+{
+ u32 rev;
+ int r;
+
+ r = dss_runtime_get();
+ if (r)
+ return r;
+
+ dss.dss_clk_rate = clk_get_rate(dss.dss_clk);
+
+ /* Select DPLL */
+ REG_FLD_MOD(DSS_CONTROL, 0, 0, 0);
+
+ dss_select_dispc_clk_source(DSS_CLK_SRC_FCK);
+
+#ifdef CONFIG_OMAP2_DSS_VENC
+ REG_FLD_MOD(DSS_CONTROL, 1, 4, 4); /* venc dac demen */
+ REG_FLD_MOD(DSS_CONTROL, 1, 3, 3); /* venc clock 4x enable */
+ REG_FLD_MOD(DSS_CONTROL, 0, 2, 2); /* venc clock mode = normal */
+#endif
+ dss.dsi_clk_source[0] = DSS_CLK_SRC_FCK;
+ dss.dsi_clk_source[1] = DSS_CLK_SRC_FCK;
+ dss.dispc_clk_source = DSS_CLK_SRC_FCK;
+ dss.lcd_clk_source[0] = DSS_CLK_SRC_FCK;
+ dss.lcd_clk_source[1] = DSS_CLK_SRC_FCK;
+
+ rev = dss_read_reg(DSS_REVISION);
+ pr_info("OMAP DSS rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
+
+ dss_runtime_put();
+
+ return 0;
+}
+
static int dss_probe(struct platform_device *pdev)
{
const struct soc_device_attribute *soc;
struct component_match *match = NULL;
+ struct resource *dss_mem;
int r;
dss.pdev = pdev;
@@ -1451,20 +1405,69 @@
else
dss.feat = of_match_device(dss_of_match, &pdev->dev)->data;
- r = dss_initialize_debugfs();
+ /* Map I/O registers, get and setup clocks. */
+ dss_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ dss.base = devm_ioremap_resource(&pdev->dev, dss_mem);
+ if (IS_ERR(dss.base))
+ return PTR_ERR(dss.base);
+
+ r = dss_get_clocks();
if (r)
return r;
- /* add all the child devices as components */
+ r = dss_setup_default_clock();
+ if (r)
+ goto err_put_clocks;
+
+ /* Setup the video PLLs and the DPI and SDI ports. */
+ r = dss_video_pll_probe(pdev);
+ if (r)
+ goto err_put_clocks;
+
+ r = dss_init_ports(pdev);
+ if (r)
+ goto err_uninit_plls;
+
+ /* Enable runtime PM and probe the hardware. */
+ pm_runtime_enable(&pdev->dev);
+
+ r = dss_probe_hardware();
+ if (r)
+ goto err_pm_runtime_disable;
+
+ /* Initialize debugfs. */
+ r = dss_initialize_debugfs();
+ if (r)
+ goto err_pm_runtime_disable;
+
+ dss_debugfs_create_file("dss", dss_dump_regs);
+
+ /* Add all the child devices as components. */
device_for_each_child(&pdev->dev, &match, dss_add_child_component);
r = component_master_add_with_match(&pdev->dev, &dss_component_ops, match);
- if (r) {
- dss_uninitialize_debugfs();
- return r;
- }
+ if (r)
+ goto err_uninit_debugfs;
return 0;
+
+err_uninit_debugfs:
+ dss_uninitialize_debugfs();
+
+err_pm_runtime_disable:
+ pm_runtime_disable(&pdev->dev);
+ dss_uninit_ports(pdev);
+
+err_uninit_plls:
+ if (dss.video1_pll)
+ dss_video_pll_uninit(dss.video1_pll);
+ if (dss.video2_pll)
+ dss_video_pll_uninit(dss.video2_pll);
+
+err_put_clocks:
+ dss_put_clocks();
+
+ return r;
}
static int dss_remove(struct platform_device *pdev)
@@ -1473,6 +1476,18 @@
dss_uninitialize_debugfs();
+ pm_runtime_disable(&pdev->dev);
+
+ dss_uninit_ports(pdev);
+
+ if (dss.video1_pll)
+ dss_video_pll_uninit(dss.video1_pll);
+
+ if (dss.video2_pll)
+ dss_video_pll_uninit(dss.video2_pll);
+
+ dss_put_clocks();
+
return 0;
}
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 234af81..fc56d03 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1561,7 +1561,7 @@
.width = 154,
.height = 83,
},
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};
static const struct drm_display_mode ortustech_com43h4m85ulc_mode = {
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
index 12d22f3..6a4b8c9 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
@@ -59,11 +59,8 @@
rcar_lvds_write(lvds, LVDPLLCR, pllcr);
- /*
- * Select the input, hardcode mode 0, enable LVDS operation and turn
- * bias circuitry on.
- */
- lvdcr0 = (lvds->mode << LVDCR0_LVMD_SHIFT) | LVDCR0_BEN | LVDCR0_LVEN;
+ /* Select the input and set the LVDS mode. */
+ lvdcr0 = lvds->mode << LVDCR0_LVMD_SHIFT;
if (rcrtc->index == 2)
lvdcr0 |= LVDCR0_DUSEL;
rcar_lvds_write(lvds, LVDCR0, lvdcr0);
@@ -74,6 +71,10 @@
LVDCR1_CHSTBY_GEN2(1) | LVDCR1_CHSTBY_GEN2(0) |
LVDCR1_CLKSTBY_GEN2);
+ /* Enable LVDS operation and turn bias circuitry on. */
+ lvdcr0 |= LVDCR0_BEN | LVDCR0_LVEN;
+ rcar_lvds_write(lvds, LVDCR0, lvdcr0);
+
/*
* Turn the PLL on, wait for the startup delay, and turn the output
* on.
@@ -95,7 +96,7 @@
u32 lvdcr0;
u32 pllcr;
- /* PLL clock configuration */
+ /* Set the PLL clock configuration and LVDS mode. */
if (freq < 42000)
pllcr = LVDPLLCR_PLLDIVCNT_42M;
else if (freq < 85000)
@@ -107,6 +108,9 @@
rcar_lvds_write(lvds, LVDPLLCR, pllcr);
+ lvdcr0 = lvds->mode << LVDCR0_LVMD_SHIFT;
+ rcar_lvds_write(lvds, LVDCR0, lvdcr0);
+
/* Turn all the channels on. */
rcar_lvds_write(lvds, LVDCR1,
LVDCR1_CHSTBY_GEN3(3) | LVDCR1_CHSTBY_GEN3(2) |
@@ -117,7 +121,7 @@
* Turn the PLL on, set it to LVDS normal mode, wait for the startup
* delay and turn the output on.
*/
- lvdcr0 = (lvds->mode << LVDCR0_LVMD_SHIFT) | LVDCR0_PLLON;
+ lvdcr0 |= LVDCR0_PLLON;
rcar_lvds_write(lvds, LVDCR0, lvdcr0);
lvdcr0 |= LVDCR0_PWD;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 1869c8b..bde6518 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -262,7 +262,6 @@
* VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap().
*/
vma->vm_flags &= ~VM_PFNMAP;
- vma->vm_pgoff = 0;
if (rk_obj->pages)
ret = rockchip_drm_gem_object_mmap_iommu(obj, vma);
@@ -297,6 +296,12 @@
if (ret)
return ret;
+ /*
+ * Set vm_pgoff (used as a fake buffer offset by DRM) to 0 and map the
+ * whole buffer from the start.
+ */
+ vma->vm_pgoff = 0;
+
obj = vma->vm_private_data;
return rockchip_drm_gem_object_mmap(obj, vma);
diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
index d401156..4460ca4 100644
--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c
+++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
@@ -129,10 +129,13 @@
static int sun4i_dclk_set_phase(struct clk_hw *hw, int degrees)
{
struct sun4i_dclk *dclk = hw_to_dclk(hw);
+ u32 val = degrees / 120;
+
+ val <<= 28;
regmap_update_bits(dclk->regmap, SUN4I_TCON0_IO_POL_REG,
GENMASK(29, 28),
- degrees / 120);
+ val);
return 0;
}
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 597d563..0598b4c 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -250,6 +250,7 @@
drm_kms_helper_poll_fini(drm);
tegra_drm_fb_exit(drm);
+ drm_atomic_helper_shutdown(drm);
drm_mode_config_cleanup(drm);
err = host1x_device_exit(device);
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index b94bd54..ed9c443 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -196,6 +196,9 @@
case VIRTGPU_PARAM_3D_FEATURES:
value = vgdev->has_virgl_3d == true ? 1 : 0;
break;
+ case VIRTGPU_PARAM_CAPSET_QUERY_FIX:
+ value = 1;
+ break;
default:
return -EINVAL;
}
@@ -471,7 +474,7 @@
{
struct virtio_gpu_device *vgdev = dev->dev_private;
struct drm_virtgpu_get_caps *args = data;
- int size;
+ unsigned size, host_caps_size;
int i;
int found_valid = -1;
int ret;
@@ -480,6 +483,10 @@
if (vgdev->num_capsets == 0)
return -ENOSYS;
+ /* don't allow userspace to pass 0 */
+ if (args->size == 0)
+ return -EINVAL;
+
spin_lock(&vgdev->display_info_lock);
for (i = 0; i < vgdev->num_capsets; i++) {
if (vgdev->capsets[i].id == args->cap_set_id) {
@@ -495,11 +502,9 @@
return -EINVAL;
}
- size = vgdev->capsets[found_valid].max_size;
- if (args->size > size) {
- spin_unlock(&vgdev->display_info_lock);
- return -EINVAL;
- }
+ host_caps_size = vgdev->capsets[found_valid].max_size;
+ /* only copy to user the minimum of the host caps size or the guest caps size */
+ size = min(args->size, host_caps_size);
list_for_each_entry(cache_ent, &vgdev->cap_cache, head) {
if (cache_ent->id == args->cap_set_id &&
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
index 557a033..8545488 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
@@ -135,17 +135,24 @@
#else
-/* In the 32-bit version of this macro, we use "m" because there is no
- * more register left for bp
+/*
+ * In the 32-bit version of this macro, we store bp in a memory location
+ * because we've ran out of registers.
+ * Now we can't reference that memory location while we've modified
+ * %esp or %ebp, so we first push it on the stack, just before we push
+ * %ebp, and then when we need it we read it from the stack where we
+ * just pushed it.
*/
#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
- asm volatile ("push %%ebp;" \
- "mov %12, %%ebp;" \
+ asm volatile ("push %12;" \
+ "push %%ebp;" \
+ "mov 0x04(%%esp), %%ebp;" \
"rep outsb;" \
- "pop %%ebp;" : \
+ "pop %%ebp;" \
+ "add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \
@@ -167,10 +174,12 @@
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
- asm volatile ("push %%ebp;" \
- "mov %12, %%ebp;" \
+ asm volatile ("push %12;" \
+ "push %%ebp;" \
+ "mov 0x04(%%esp), %%ebp;" \
"rep insb;" \
- "pop %%ebp" : \
+ "pop %%ebp;" \
+ "add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index aacce47..205a5f4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -453,7 +453,11 @@
struct drm_plane_state *old_state)
{
struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
+ struct drm_crtc *crtc = plane->state->crtc ?
+ plane->state->crtc : old_state->crtc;
+ if (vps->dmabuf)
+ vmw_dmabuf_unpin(vmw_priv(crtc->dev), vps->dmabuf, false);
vmw_dmabuf_unreference(&vps->dmabuf);
vps->dmabuf_size = 0;
@@ -491,10 +495,17 @@
}
size = new_state->crtc_w * new_state->crtc_h * 4;
+ dev_priv = vmw_priv(crtc->dev);
if (vps->dmabuf) {
- if (vps->dmabuf_size == size)
- return 0;
+ if (vps->dmabuf_size == size) {
+ /*
+ * Note that this might temporarily up the pin-count
+ * to 2, until cleanup_fb() is called.
+ */
+ return vmw_dmabuf_pin_in_vram(dev_priv, vps->dmabuf,
+ true);
+ }
vmw_dmabuf_unreference(&vps->dmabuf);
vps->dmabuf_size = 0;
@@ -504,7 +515,6 @@
if (!vps->dmabuf)
return -ENOMEM;
- dev_priv = vmw_priv(crtc->dev);
vmw_svga_enable(dev_priv);
/* After we have alloced the backing store might not be able to
@@ -515,13 +525,18 @@
&vmw_vram_ne_placement,
false, &vmw_dmabuf_bo_free);
vmw_overlay_resume_all(dev_priv);
-
- if (ret != 0)
+ if (ret) {
vps->dmabuf = NULL; /* vmw_dmabuf_init frees on error */
- else
- vps->dmabuf_size = size;
+ return ret;
+ }
- return ret;
+ vps->dmabuf_size = size;
+
+ /*
+ * TTM already thinks the buffer is pinned, but make sure the
+ * pin_count is upped.
+ */
+ return vmw_dmabuf_pin_in_vram(dev_priv, vps->dmabuf, true);
}
diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index c860a79..1d1612e 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -125,11 +125,14 @@
if (pre_node == pre->dev->of_node) {
mutex_unlock(&ipu_pre_list_mutex);
device_link_add(dev, pre->dev, DL_FLAG_AUTOREMOVE);
+ of_node_put(pre_node);
return pre;
}
}
mutex_unlock(&ipu_pre_list_mutex);
+ of_node_put(pre_node);
+
return NULL;
}
diff --git a/drivers/gpu/ipu-v3/ipu-prg.c b/drivers/gpu/ipu-v3/ipu-prg.c
index 0013ca9..1c36fa3 100644
--- a/drivers/gpu/ipu-v3/ipu-prg.c
+++ b/drivers/gpu/ipu-v3/ipu-prg.c
@@ -101,11 +101,14 @@
mutex_unlock(&ipu_prg_list_mutex);
device_link_add(dev, prg->dev, DL_FLAG_AUTOREMOVE);
prg->id = ipu_id;
+ of_node_put(prg_node);
return prg;
}
}
mutex_unlock(&ipu_prg_list_mutex);
+ of_node_put(prg_node);
+
return NULL;
}
@@ -249,10 +252,14 @@
{
int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);
struct ipu_prg *prg = ipu_chan->ipu->prg_priv;
- struct ipu_prg_channel *chan = &prg->chan[prg_chan];
+ struct ipu_prg_channel *chan;
u32 val;
- if (!chan->enabled || prg_chan < 0)
+ if (prg_chan < 0)
+ return;
+
+ chan = &prg->chan[prg_chan];
+ if (!chan->enabled)
return;
clk_prepare_enable(prg->clk_ipg);
@@ -279,13 +286,15 @@
{
int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);
struct ipu_prg *prg = ipu_chan->ipu->prg_priv;
- struct ipu_prg_channel *chan = &prg->chan[prg_chan];
+ struct ipu_prg_channel *chan;
u32 val;
int ret;
if (prg_chan < 0)
return prg_chan;
+ chan = &prg->chan[prg_chan];
+
if (chan->enabled) {
ipu_pre_update(prg->pres[chan->used_pre], *eba);
return 0;
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index c219e43..f5f3f8c 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -1469,7 +1469,7 @@
duty_is_dc = data->REG_PWM_MODE[i] &&
(nct6775_read_value(data, data->REG_PWM_MODE[i])
& data->PWM_MODE_MASK[i]);
- data->pwm_mode[i] = duty_is_dc;
+ data->pwm_mode[i] = !duty_is_dc;
fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]);
for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) {
@@ -2350,7 +2350,7 @@
struct nct6775_data *data = nct6775_update_device(dev);
struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr);
- return sprintf(buf, "%d\n", !data->pwm_mode[sattr->index]);
+ return sprintf(buf, "%d\n", data->pwm_mode[sattr->index]);
}
static ssize_t
@@ -2371,9 +2371,9 @@
if (val > 1)
return -EINVAL;
- /* Setting DC mode is not supported for all chips/channels */
+ /* Setting DC mode (0) is not supported for all chips/channels */
if (data->REG_PWM_MODE[nr] == 0) {
- if (val)
+ if (!val)
return -EINVAL;
return count;
}
@@ -2382,7 +2382,7 @@
data->pwm_mode[nr] = val;
reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]);
reg &= ~data->PWM_MODE_MASK[nr];
- if (val)
+ if (!val)
reg |= data->PWM_MODE_MASK[nr];
nct6775_write_value(data, data->REG_PWM_MODE[nr], reg);
mutex_unlock(&data->update_lock);
diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
index 00d6995a..8a44e94 100644
--- a/drivers/hwmon/pmbus/adm1275.c
+++ b/drivers/hwmon/pmbus/adm1275.c
@@ -154,7 +154,7 @@
const struct adm1275_data *data = to_adm1275_data(info);
int ret = 0;
- if (page)
+ if (page > 0)
return -ENXIO;
switch (reg) {
@@ -240,7 +240,7 @@
const struct adm1275_data *data = to_adm1275_data(info);
int ret;
- if (page)
+ if (page > 0)
return -ENXIO;
switch (reg) {
diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c
index dd4883a..e951f9b 100644
--- a/drivers/hwmon/pmbus/max8688.c
+++ b/drivers/hwmon/pmbus/max8688.c
@@ -45,7 +45,7 @@
{
int ret;
- if (page)
+ if (page > 0)
return -ENXIO;
switch (reg) {
diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c
index 6ea62c6..9cdb3fb 100644
--- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
+++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
@@ -315,7 +315,7 @@
}
pc = debug_adjust_pc(drvdata);
- dev_emerg(dev, " EDPCSR: [<%p>] %pS\n", (void *)pc, (void *)pc);
+ dev_emerg(dev, " EDPCSR: [<%px>] %pS\n", (void *)pc, (void *)pc);
if (drvdata->edcidsr_present)
dev_emerg(dev, " EDCIDSR: %08x\n", drvdata->edcidsr);
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 1a023e3..c179331 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -935,7 +935,7 @@
int intel_th_set_output(struct intel_th_device *thdev,
unsigned int master)
{
- struct intel_th_device *hub = to_intel_th_device(thdev->dev.parent);
+ struct intel_th_device *hub = to_intel_th_hub(thdev);
struct intel_th_driver *hubdrv = to_intel_th_driver(hub->dev.driver);
if (!hubdrv->set_output)
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index a832c45..b0fb9782 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -844,12 +844,16 @@
*/
if (of_device_is_compatible(np, "marvell,mv78230-i2c")) {
drv_data->offload_enabled = true;
- drv_data->errata_delay = true;
+ /* The delay is only needed in standard mode (100kHz) */
+ if (bus_freq <= 100000)
+ drv_data->errata_delay = true;
}
if (of_device_is_compatible(np, "marvell,mv78230-a0-i2c")) {
drv_data->offload_enabled = false;
- drv_data->errata_delay = true;
+ /* The delay is only needed in standard mode (100kHz) */
+ if (bus_freq <= 100000)
+ drv_data->errata_delay = true;
}
if (of_device_is_compatible(np, "allwinner,sun6i-a31-i2c"))
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 6ff0be8..4de45db 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1614,6 +1614,8 @@
struct cdrom_info *info;
int rc = -ENXIO;
+ check_disk_change(bdev);
+
mutex_lock(&ide_cd_mutex);
info = ide_cd_get(bdev->bd_disk);
if (!info)
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index 45f2f09..4eb72ff 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -724,21 +724,19 @@
{
int ret;
u16 gid_index;
- u8 p;
- if (rdma_protocol_roce(device, port_num)) {
- ret = ib_find_cached_gid_by_port(device, &rec->port_gid,
- gid_type, port_num,
- ndev,
- &gid_index);
- } else if (rdma_protocol_ib(device, port_num)) {
- ret = ib_find_cached_gid(device, &rec->port_gid,
- IB_GID_TYPE_IB, NULL, &p,
+ /* GID table is not based on the netdevice for IB link layer,
+ * so ignore ndev during search.
+ */
+ if (rdma_protocol_ib(device, port_num))
+ ndev = NULL;
+ else if (!rdma_protocol_roce(device, port_num))
+ return -EINVAL;
+
+ ret = ib_find_cached_gid_by_port(device, &rec->port_gid,
+ gid_type, port_num,
+ ndev,
&gid_index);
- } else {
- ret = -EINVAL;
- }
-
if (ret)
return ret;
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index 9cb801d..1984d6c 100644
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -486,12 +486,13 @@
ret = uobject->type->type_class->remove_commit(uobject,
RDMA_REMOVE_DESTROY);
if (ret)
- return ret;
+ goto out;
uobject->type = &null_obj_type;
+out:
up_read(&ucontext->cleanup_rwsem);
- return 0;
+ return ret;
}
static void alloc_commit_idr_uobject(struct ib_uobject *uobj)
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index ab5e102..b81d259 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -1291,10 +1291,9 @@
resolved_dev = dev_get_by_index(dev_addr.net,
dev_addr.bound_dev_if);
- if (resolved_dev->flags & IFF_LOOPBACK) {
- dev_put(resolved_dev);
- resolved_dev = idev;
- dev_hold(resolved_dev);
+ if (!resolved_dev) {
+ dev_put(idev);
+ return -ENODEV;
}
ndev = ib_get_ndev_from_path(rec);
rcu_read_lock();
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index c65f0e8..e47baf0 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1315,7 +1315,7 @@
if (IS_ERR(ctx))
return PTR_ERR(ctx);
- if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))
+ if (unlikely(cmd.optlen > KMALLOC_MAX_SIZE))
return -EINVAL;
optval = memdup_user((void __user *) (unsigned long) cmd.optval,
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 9a4e899..2b6c9b5 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -119,7 +119,6 @@
umem->length = size;
umem->address = addr;
umem->page_shift = PAGE_SHIFT;
- umem->pid = get_task_pid(current, PIDTYPE_PID);
/*
* We ask for writable memory if any of the following
* access flags are set. "Local write" and "remote write"
@@ -132,7 +131,6 @@
IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND));
if (access & IB_ACCESS_ON_DEMAND) {
- put_pid(umem->pid);
ret = ib_umem_odp_get(context, umem, access);
if (ret) {
kfree(umem);
@@ -148,7 +146,6 @@
page_list = (struct page **) __get_free_page(GFP_KERNEL);
if (!page_list) {
- put_pid(umem->pid);
kfree(umem);
return ERR_PTR(-ENOMEM);
}
@@ -231,7 +228,6 @@
if (ret < 0) {
if (need_release)
__ib_umem_release(context->device, umem, 0);
- put_pid(umem->pid);
kfree(umem);
} else
current->mm->pinned_vm = locked;
@@ -274,8 +270,7 @@
__ib_umem_release(umem->context->device, umem, 1);
- task = get_pid_task(umem->pid, PIDTYPE_PID);
- put_pid(umem->pid);
+ task = get_pid_task(umem->context->tgid, PIDTYPE_PID);
if (!task)
goto out;
mm = get_task_mm(task);
diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c
index 8f2dc79..5e9f72e 100644
--- a/drivers/infiniband/core/uverbs_ioctl.c
+++ b/drivers/infiniband/core/uverbs_ioctl.c
@@ -59,6 +59,9 @@
return 0;
}
+ if (test_bit(attr_id, attr_bundle_h->valid_bitmap))
+ return -EINVAL;
+
spec = &attr_spec_bucket->attrs[attr_id];
e = &elements[attr_id];
e->uattr = uattr_ptr;
diff --git a/drivers/infiniband/core/uverbs_ioctl_merge.c b/drivers/infiniband/core/uverbs_ioctl_merge.c
index 76ddb65..48a99dc 100644
--- a/drivers/infiniband/core/uverbs_ioctl_merge.c
+++ b/drivers/infiniband/core/uverbs_ioctl_merge.c
@@ -114,6 +114,7 @@
short min = SHRT_MAX;
const void *elem;
int i, j, last_stored = -1;
+ unsigned int equal_min = 0;
for_each_element(elem, i, j, elements, num_elements, num_offset,
data_offset) {
@@ -136,6 +137,10 @@
*/
iters[last_stored == i ? num_iters - 1 : num_iters++] = elem;
last_stored = i;
+ if (min == GET_ID(id))
+ equal_min++;
+ else
+ equal_min = 1;
min = GET_ID(id);
}
@@ -146,15 +151,10 @@
* Therefore, we need to clean the beginning of the array to make sure
* all ids of final elements are equal to min.
*/
- for (i = num_iters - 1; i >= 0 &&
- GET_ID(*(u16 *)(iters[i] + id_offset)) == min; i--)
- ;
-
- num_iters -= i + 1;
- memmove(iters, iters + i + 1, sizeof(*iters) * num_iters);
+ memmove(iters, iters + num_iters - equal_min, sizeof(*iters) * equal_min);
*min_id = min;
- return num_iters;
+ return equal_min;
}
#define find_max_element_entry_id(num_elements, elements, num_objects_fld, \
@@ -322,7 +322,7 @@
hash = kzalloc(sizeof(*hash) +
ALIGN(sizeof(*hash->attrs) * (attr_max_bucket + 1),
sizeof(long)) +
- BITS_TO_LONGS(attr_max_bucket) * sizeof(long),
+ BITS_TO_LONGS(attr_max_bucket + 1) * sizeof(long),
GFP_KERNEL);
if (!hash) {
res = -ENOMEM;
@@ -509,7 +509,7 @@
* first handler which != NULL. This also defines the
* set of flags used for this handler.
*/
- for (i = num_object_defs - 1;
+ for (i = num_method_defs - 1;
i >= 0 && !method_defs[i]->handler; i--)
;
hash->methods[min_id++] = method;
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index b210495..ef9135a 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1180,7 +1180,7 @@
rc = bnxt_qplib_create_qp(&rdev->qplib_res, &qp->qplib_qp);
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to create HW QP");
- goto fail;
+ goto free_umem;
}
}
@@ -1208,6 +1208,13 @@
return &qp->ib_qp;
qp_destroy:
bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp);
+free_umem:
+ if (udata) {
+ if (qp->rumem)
+ ib_umem_release(qp->rumem);
+ if (qp->sumem)
+ ib_umem_release(qp->sumem);
+ }
fail:
kfree(qp);
return ERR_PTR(rc);
@@ -1956,10 +1963,13 @@
wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV;
wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey;
+ /* Need unconditional fence for local invalidate
+ * opcode to work as expected.
+ */
+ wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+
if (wr->send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
- if (wr->send_flags & IB_SEND_FENCE)
- wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
if (wr->send_flags & IB_SEND_SOLICITED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT;
@@ -1980,8 +1990,12 @@
wqe->frmr.levels = qplib_frpl->hwq.level + 1;
wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR;
- if (wr->wr.send_flags & IB_SEND_FENCE)
- wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+ /* Need unconditional fence for reg_mr
+ * opcode to function as expected.
+ */
+
+ wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+
if (wr->wr.send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index e7450ea..bf811b2 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -1240,9 +1240,12 @@
switch (re_work->event) {
case NETDEV_REGISTER:
rc = bnxt_re_ib_reg(rdev);
- if (rc)
+ if (rc) {
dev_err(rdev_to_dev(rdev),
"Failed to register with IB: %#x", rc);
+ bnxt_re_remove_one(rdev);
+ bnxt_re_dev_unreg(rdev);
+ }
break;
case NETDEV_UP:
bnxt_re_dispatch_event(&rdev->ibdev, NULL, 1,
@@ -1398,6 +1401,11 @@
list_for_each_entry(rdev, &to_be_deleted, list) {
dev_info(rdev_to_dev(rdev), "Unregistering Device");
+ /*
+ * Flush out any scheduled tasks before destroying the
+ * resources
+ */
+ flush_workqueue(bnxt_re_wq);
bnxt_re_dev_stop(rdev);
bnxt_re_ib_unreg(rdev, true);
bnxt_re_remove_one(rdev);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 2bdb156..8d91733 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -457,7 +457,11 @@
int rc;
RCFW_CMD_PREP(req, INITIALIZE_FW, cmd_flags);
-
+ /* Supply (log-base-2-of-host-page-size - base-page-shift)
+ * to bono to adjust the doorbell page sizes.
+ */
+ req.log2_dbr_pg_size = cpu_to_le16(PAGE_SHIFT -
+ RCFW_DBR_BASE_PAGE_SHIFT);
/*
* VFs need not setup the HW context area, PF
* shall setup this area for VF. Skipping the
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index 85b16da..7c85e3c 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -49,6 +49,7 @@
#define RCFW_COMM_SIZE 0x104
#define RCFW_DBR_PCI_BAR_REGION 2
+#define RCFW_DBR_BASE_PAGE_SHIFT 12
#define RCFW_CMD_PREP(req, CMD, cmd_flags) \
do { \
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index e277e54..9536de8 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -130,7 +130,8 @@
attr->max_pkey = le32_to_cpu(sb->max_pkeys);
attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
- attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE;
+ attr->l2_db_size = (sb->l2_db_space_size + 1) *
+ (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
attr->max_sgid = le32_to_cpu(sb->max_gid);
strlcpy(attr->fw_ver, "20.6.28.0", sizeof(attr->fw_ver));
diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
index eeb55b2..480f592 100644
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -1734,7 +1734,30 @@
#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_2M (0x3UL << 4)
#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_8M (0x4UL << 4)
#define CMDQ_INITIALIZE_FW_TIM_PG_SIZE_PG_1G (0x5UL << 4)
- __le16 reserved16;
+ /* This value is (log-base-2-of-DBR-page-size - 12).
+ * 0 for 4KB. HW supported values are enumerated below.
+ */
+ __le16 log2_dbr_pg_size;
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_MASK 0xfUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_SFT 0
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4K 0x0UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8K 0x1UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16K 0x2UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32K 0x3UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64K 0x4UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128K 0x5UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_256K 0x6UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_512K 0x7UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_1M 0x8UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_2M 0x9UL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_4M 0xaUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_8M 0xbUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_16M 0xcUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_32M 0xdUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_64M 0xeUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M 0xfUL
+ #define CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_LAST \
+ CMDQ_INITIALIZE_FW_LOG2_DBR_PG_SIZE_PG_128M
__le64 qpc_page_dir;
__le64 mrw_page_dir;
__le64 srq_page_dir;
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 82114ba..2595622 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -5945,6 +5945,7 @@
u64 status;
u32 sw_index;
int i = 0;
+ unsigned long irq_flags;
sw_index = dd->hw_to_sw[hw_context];
if (sw_index >= dd->num_send_contexts) {
@@ -5954,10 +5955,12 @@
return;
}
sci = &dd->send_contexts[sw_index];
+ spin_lock_irqsave(&dd->sc_lock, irq_flags);
sc = sci->sc;
if (!sc) {
dd_dev_err(dd, "%s: context %u(%u): no sc?\n", __func__,
sw_index, hw_context);
+ spin_unlock_irqrestore(&dd->sc_lock, irq_flags);
return;
}
@@ -5979,6 +5982,7 @@
*/
if (sc->type != SC_USER)
queue_work(dd->pport->hfi1_wq, &sc->halt_work);
+ spin_unlock_irqrestore(&dd->sc_lock, irq_flags);
/*
* Update the counters for the corresponding status bits.
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index cab7963..d92f639 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -597,6 +597,7 @@
wc->dlid_path_bits = 0;
if (is_eth) {
+ wc->slid = 0;
wc->vlan_id = be16_to_cpu(hdr->tun.sl_vid);
memcpy(&(wc->smac[0]), (char *)&hdr->tun.mac_31_0, 4);
memcpy(&(wc->smac[4]), (char *)&hdr->tun.slid_mac_47_32, 2);
@@ -845,7 +846,6 @@
}
}
- wc->slid = be16_to_cpu(cqe->rlid);
g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn);
wc->src_qp = g_mlpath_rqpn & 0xffffff;
wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
@@ -854,6 +854,7 @@
wc->wc_flags |= mlx4_ib_ipoib_csum_ok(cqe->status,
cqe->checksum) ? IB_WC_IP_CSUM_OK : 0;
if (is_eth) {
+ wc->slid = 0;
wc->sl = be16_to_cpu(cqe->sl_vid) >> 13;
if (be32_to_cpu(cqe->vlan_my_qpn) &
MLX4_CQE_CVLAN_PRESENT_MASK) {
@@ -865,6 +866,7 @@
memcpy(wc->smac, cqe->smac, ETH_ALEN);
wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC);
} else {
+ wc->slid = be16_to_cpu(cqe->rlid);
wc->sl = be16_to_cpu(cqe->sl_vid) >> 12;
wc->vlan_id = 0xffff;
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 8c681a3..e2beb18 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -219,8 +219,6 @@
gid_tbl[i].version = 2;
if (!ipv6_addr_v4mapped((struct in6_addr *)&gids[i].gid))
gid_tbl[i].type = 1;
- else
- memset(&gid_tbl[i].gid, 0, 12);
}
}
@@ -366,8 +364,13 @@
if (!gids) {
ret = -ENOMEM;
} else {
- for (i = 0; i < MLX4_MAX_PORT_GIDS; i++)
- memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid));
+ for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) {
+ memcpy(&gids[i].gid,
+ &port_gid_table->gids[i].gid,
+ sizeof(union ib_gid));
+ gids[i].gid_type =
+ port_gid_table->gids[i].gid_type;
+ }
}
}
spin_unlock_bh(&iboe->lock);
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index faedc08..d804880 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -224,7 +224,6 @@
wc->ex.invalidate_rkey = be32_to_cpu(cqe->imm_inval_pkey);
break;
}
- wc->slid = be16_to_cpu(cqe->slid);
wc->src_qp = be32_to_cpu(cqe->flags_rqpn) & 0xffffff;
wc->dlid_path_bits = cqe->ml_path;
g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3;
@@ -239,10 +238,12 @@
}
if (ll != IB_LINK_LAYER_ETHERNET) {
+ wc->slid = be16_to_cpu(cqe->slid);
wc->sl = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0xf;
return;
}
+ wc->slid = 0;
vlan_present = cqe->l4_l3_hdr_type & 0x1;
roce_packet_type = (be32_to_cpu(cqe->flags_rqpn) >> 24) & 0x3;
if (vlan_present) {
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index fb5302e..ab70194 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -270,6 +270,9 @@
if (err)
return err;
+ props->active_width = IB_WIDTH_4X;
+ props->active_speed = IB_SPEED_QDR;
+
translate_eth_proto_oper(eth_prot_oper, &props->active_speed,
&props->active_width);
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 749fe90..ef9ee6c 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -2881,8 +2881,10 @@
goto out;
if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE ||
- !optab[mlx5_cur][mlx5_new])
+ !optab[mlx5_cur][mlx5_new]) {
+ err = -EINVAL;
goto out;
+ }
op = optab[mlx5_cur][mlx5_new];
optpar = ib_mask_to_mlx5_opt(attr_mask);
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 97d033f..ddb05b4 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -782,7 +782,8 @@
dev->num_cnq = dev->ops->rdma_get_min_cnq_msix(cdev);
if (!dev->num_cnq) {
- DP_ERR(dev, "not enough CNQ resources.\n");
+ DP_ERR(dev, "Failed. At least one CNQ is required.\n");
+ rc = -ENOMEM;
goto init_err;
}
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 769ac07..7f4cc93 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1663,14 +1663,15 @@
static int qedr_update_qp_state(struct qedr_dev *dev,
struct qedr_qp *qp,
+ enum qed_roce_qp_state cur_state,
enum qed_roce_qp_state new_state)
{
int status = 0;
- if (new_state == qp->state)
+ if (new_state == cur_state)
return 0;
- switch (qp->state) {
+ switch (cur_state) {
case QED_ROCE_QP_STATE_RESET:
switch (new_state) {
case QED_ROCE_QP_STATE_INIT:
@@ -1774,6 +1775,7 @@
struct qedr_dev *dev = get_qedr_dev(&qp->dev->ibdev);
const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr);
enum ib_qp_state old_qp_state, new_qp_state;
+ enum qed_roce_qp_state cur_state;
int rc = 0;
DP_DEBUG(dev, QEDR_MSG_QP,
@@ -1903,18 +1905,23 @@
SET_FIELD(qp_params.modify_flags,
QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT, 1);
- qp_params.ack_timeout = attr->timeout;
- if (attr->timeout) {
- u32 temp;
-
- temp = 4096 * (1UL << attr->timeout) / 1000 / 1000;
- /* FW requires [msec] */
- qp_params.ack_timeout = temp;
- } else {
- /* Infinite */
+ /* The received timeout value is an exponent used like this:
+ * "12.7.34 LOCAL ACK TIMEOUT
+ * Value representing the transport (ACK) timeout for use by
+ * the remote, expressed as: 4.096 * 2^timeout [usec]"
+ * The FW expects timeout in msec so we need to divide the usec
+ * result by 1000. We'll approximate 1000~2^10, and 4.096 ~ 2^2,
+ * so we get: 2^2 * 2^timeout / 2^10 = 2^(timeout - 8).
+ * The value of zero means infinite so we use a 'max_t' to make
+ * sure that sub 1 msec values will be configured as 1 msec.
+ */
+ if (attr->timeout)
+ qp_params.ack_timeout =
+ 1 << max_t(int, attr->timeout - 8, 0);
+ else
qp_params.ack_timeout = 0;
- }
}
+
if (attr_mask & IB_QP_RETRY_CNT) {
SET_FIELD(qp_params.modify_flags,
QED_ROCE_MODIFY_QP_VALID_RETRY_CNT, 1);
@@ -1987,13 +1994,25 @@
qp->dest_qp_num = attr->dest_qp_num;
}
+ cur_state = qp->state;
+
+ /* Update the QP state before the actual ramrod to prevent a race with
+ * fast path. Modifying the QP state to error will cause the device to
+ * flush the CQEs and while polling the flushed CQEs will considered as
+ * a potential issue if the QP isn't in error state.
+ */
+ if ((attr_mask & IB_QP_STATE) && qp->qp_type != IB_QPT_GSI &&
+ !udata && qp_params.new_state == QED_ROCE_QP_STATE_ERR)
+ qp->state = QED_ROCE_QP_STATE_ERR;
+
if (qp->qp_type != IB_QPT_GSI)
rc = dev->ops->rdma_modify_qp(dev->rdma_ctx,
qp->qed_qp, &qp_params);
if (attr_mask & IB_QP_STATE) {
if ((qp->qp_type != IB_QPT_GSI) && (!udata))
- rc = qedr_update_qp_state(dev, qp, qp_params.new_state);
+ rc = qedr_update_qp_state(dev, qp, cur_state,
+ qp_params.new_state);
qp->state = qp_params.new_state;
}
@@ -2832,6 +2851,11 @@
switch (wr->opcode) {
case IB_WR_SEND_WITH_IMM:
+ if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+ rc = -EINVAL;
+ *bad_wr = wr;
+ break;
+ }
wqe->req_type = RDMA_SQ_REQ_TYPE_SEND_WITH_IMM;
swqe = (struct rdma_sq_send_wqe_1st *)wqe;
swqe->wqe_size = 2;
@@ -2873,6 +2897,11 @@
break;
case IB_WR_RDMA_WRITE_WITH_IMM:
+ if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+ rc = -EINVAL;
+ *bad_wr = wr;
+ break;
+ }
wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_WR_WITH_IMM;
rwqe = (struct rdma_sq_rdma_wqe_1st *)wqe;
@@ -3518,7 +3547,7 @@
{
struct qedr_dev *dev = get_qedr_dev(ibcq->device);
struct qedr_cq *cq = get_qedr_cq(ibcq);
- union rdma_cqe *cqe = cq->latest_cqe;
+ union rdma_cqe *cqe;
u32 old_cons, new_cons;
unsigned long flags;
int update = 0;
@@ -3535,6 +3564,7 @@
return qedr_gsi_poll_cq(ibcq, num_entries, wc);
spin_lock_irqsave(&cq->cq_lock, flags);
+ cqe = cq->latest_cqe;
old_cons = qed_chain_get_cons_idx_u32(&cq->pbl);
while (num_entries && is_valid_cqe(cq, cqe)) {
struct qedr_qp *qp;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 906bacf..1cbf4e4 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -1206,7 +1206,7 @@
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));
+ dma_get_required_mask(&dev->dev));
dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION;
dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 99a2a57..10190e3 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -311,6 +311,8 @@
if (dev_data == NULL) {
dev_data = alloc_dev_data(devid);
+ if (!dev_data)
+ return NULL;
if (translation_pre_enabled(iommu))
dev_data->defer_attach = true;
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 16d33ac..c30f627 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -60,7 +60,7 @@
(((prot) & 0x3) << F_MMU_TF_PROTECT_SEL_SHIFT(data))
#define REG_MMU_IVRP_PADDR 0x114
-#define F_MMU_IVRP_PA_SET(pa, ext) (((pa) >> 1) | ((!!(ext)) << 31))
+
#define REG_MMU_VLD_PA_RNG 0x118
#define F_MMU_VLD_PA_RNG(EA, SA) (((EA) << 8) | (SA))
@@ -532,8 +532,13 @@
F_INT_PRETETCH_TRANSATION_FIFO_FAULT;
writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL);
- writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base, data->enable_4GB),
- data->base + REG_MMU_IVRP_PADDR);
+ if (data->m4u_plat == M4U_MT8173)
+ regval = (data->protect_base >> 1) | (data->enable_4GB << 31);
+ else
+ regval = lower_32_bits(data->protect_base) |
+ upper_32_bits(data->protect_base);
+ writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR);
+
if (data->enable_4GB && data->m4u_plat != M4U_MT8173) {
/*
* If 4GB mode is enabled, the validate PA range is from
@@ -688,6 +693,7 @@
reg->ctrl_reg = readl_relaxed(base + REG_MMU_CTRL_REG);
reg->int_control0 = readl_relaxed(base + REG_MMU_INT_CONTROL0);
reg->int_main_control = readl_relaxed(base + REG_MMU_INT_MAIN_CONTROL);
+ reg->ivrp_paddr = readl_relaxed(base + REG_MMU_IVRP_PADDR);
clk_disable_unprepare(data->bclk);
return 0;
}
@@ -710,8 +716,7 @@
writel_relaxed(reg->ctrl_reg, base + REG_MMU_CTRL_REG);
writel_relaxed(reg->int_control0, base + REG_MMU_INT_CONTROL0);
writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL);
- writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base, data->enable_4GB),
- base + REG_MMU_IVRP_PADDR);
+ writel_relaxed(reg->ivrp_paddr, base + REG_MMU_IVRP_PADDR);
if (data->m4u_dom)
writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0],
base + REG_MMU_PT_BASE_ADDR);
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index b4451a1..778498b 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -32,6 +32,7 @@
u32 ctrl_reg;
u32 int_control0;
u32 int_main_control;
+ u32 ivrp_paddr;
};
enum mtk_iommu_plat {
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 910b5b6..eb65b6e 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -154,8 +154,8 @@
DBDMA_DO_STOP(rm->dma_regs);
return;
}
- memset(rdma->buf1, 0, ARRAY_SIZE(rdma->buf1));
- memset(rdma->buf2, 0, ARRAY_SIZE(rdma->buf2));
+ memset(rdma->buf1, 0, sizeof(rdma->buf1));
+ memset(rdma->buf2, 0, sizeof(rdma->buf2));
rm->dma_buf_v->mark = 0;
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index f34ad87..5b63aff 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -651,11 +651,11 @@
static void search_free(struct closure *cl)
{
struct search *s = container_of(cl, struct search, cl);
- bio_complete(s);
if (s->iop.bio)
bio_put(s->iop.bio);
+ bio_complete(s);
closure_debug_destroy(cl);
mempool_free(s, s->d->c->search);
}
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index f046ded..930b00f 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -421,9 +421,15 @@
while (!kthread_should_stop()) {
down_write(&dc->writeback_lock);
set_current_state(TASK_INTERRUPTIBLE);
- if (!atomic_read(&dc->has_dirty) ||
- (!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) &&
- !dc->writeback_running)) {
+ /*
+ * If the bache device is detaching, skip here and continue
+ * to perform writeback. Otherwise, if no dirty data on cache,
+ * or there is dirty data on cache but writeback is disabled,
+ * the writeback thread should sleep here and wait for others
+ * to wake up it.
+ */
+ if (!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) &&
+ (!atomic_read(&dc->has_dirty) || !dc->writeback_running)) {
up_write(&dc->writeback_lock);
if (kthread_should_stop()) {
@@ -444,6 +450,14 @@
cached_dev_put(dc);
SET_BDEV_STATE(&dc->sb, BDEV_STATE_CLEAN);
bch_write_bdev_super(dc, NULL);
+ /*
+ * If bcache device is detaching via sysfs interface,
+ * writeback thread should stop after there is no dirty
+ * data on cache. BCACHE_DEV_DETACHING flag is set in
+ * bch_cached_dev_detach().
+ */
+ if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags))
+ break;
}
up_write(&dc->writeback_lock);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7671b14..636103a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -779,6 +779,9 @@
struct bio *bio;
int ff = 0;
+ if (!page)
+ return;
+
if (test_bit(Faulty, &rdev->flags))
return;
@@ -5434,6 +5437,7 @@
* the only valid external interface is through the md
* device.
*/
+ mddev->has_superblocks = false;
rdev_for_each(rdev, mddev) {
if (test_bit(Faulty, &rdev->flags))
continue;
@@ -5447,6 +5451,9 @@
set_disk_ro(mddev->gendisk, 1);
}
+ if (rdev->sb_page)
+ mddev->has_superblocks = true;
+
/* perform some consistency tests on the device.
* We don't want the data to overlap the metadata,
* Internal Bitmap issues have been handled elsewhere.
@@ -5479,8 +5486,10 @@
}
if (mddev->sync_set == NULL) {
mddev->sync_set = bioset_create(BIO_POOL_SIZE, 0, BIOSET_NEED_BVECS);
- if (!mddev->sync_set)
- return -ENOMEM;
+ if (!mddev->sync_set) {
+ err = -ENOMEM;
+ goto abort;
+ }
}
spin_lock(&pers_lock);
@@ -5493,7 +5502,8 @@
else
pr_warn("md: personality for level %s is not loaded!\n",
mddev->clevel);
- return -EINVAL;
+ err = -EINVAL;
+ goto abort;
}
spin_unlock(&pers_lock);
if (mddev->level != pers->level) {
@@ -5506,7 +5516,8 @@
pers->start_reshape == NULL) {
/* This personality cannot handle reshaping... */
module_put(pers->owner);
- return -EINVAL;
+ err = -EINVAL;
+ goto abort;
}
if (pers->sync_request) {
@@ -5580,7 +5591,7 @@
mddev->private = NULL;
module_put(pers->owner);
bitmap_destroy(mddev);
- return err;
+ goto abort;
}
if (mddev->queue) {
bool nonrot = true;
@@ -5642,6 +5653,18 @@
sysfs_notify_dirent_safe(mddev->sysfs_action);
sysfs_notify(&mddev->kobj, NULL, "degraded");
return 0;
+
+abort:
+ if (mddev->bio_set) {
+ bioset_free(mddev->bio_set);
+ mddev->bio_set = NULL;
+ }
+ if (mddev->sync_set) {
+ bioset_free(mddev->sync_set);
+ mddev->sync_set = NULL;
+ }
+
+ return err;
}
EXPORT_SYMBOL_GPL(md_run);
@@ -8006,6 +8029,7 @@
bool md_write_start(struct mddev *mddev, struct bio *bi)
{
int did_change = 0;
+
if (bio_data_dir(bi) != WRITE)
return true;
@@ -8038,6 +8062,8 @@
rcu_read_unlock();
if (did_change)
sysfs_notify_dirent_safe(mddev->sysfs_state);
+ if (!mddev->has_superblocks)
+ return true;
wait_event(mddev->sb_wait,
!test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags) ||
mddev->suspended);
@@ -8496,6 +8522,19 @@
set_mask_bits(&mddev->sb_flags, 0,
BIT(MD_SB_CHANGE_PENDING) | BIT(MD_SB_CHANGE_DEVS));
+ if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
+ !test_bit(MD_RECOVERY_INTR, &mddev->recovery) &&
+ mddev->delta_disks > 0 &&
+ mddev->pers->finish_reshape &&
+ mddev->pers->size &&
+ mddev->queue) {
+ mddev_lock_nointr(mddev);
+ md_set_array_sectors(mddev, mddev->pers->size(mddev, 0, 0));
+ mddev_unlock(mddev);
+ set_capacity(mddev->gendisk, mddev->array_sectors);
+ revalidate_disk(mddev->gendisk);
+ }
+
spin_lock(&mddev->lock);
if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
/* We completed so min/max setting can be forgotten if used. */
diff --git a/drivers/md/md.h b/drivers/md/md.h
index d8287d3..9b0a896 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -462,6 +462,8 @@
void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
struct md_cluster_info *cluster_info;
unsigned int good_device_nr; /* good device num within cluster raid */
+
+ bool has_superblocks:1;
};
enum recovery_flags {
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 788fc08..e4e01d3 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1813,6 +1813,17 @@
struct md_rdev *repl =
conf->mirrors[conf->raid_disks + number].rdev;
freeze_array(conf, 0);
+ if (atomic_read(&repl->nr_pending)) {
+ /* It means that some queued IO of retry_list
+ * hold repl. Thus, we cannot set replacement
+ * as NULL, avoiding rdev NULL pointer
+ * dereference in sync_request_write and
+ * handle_write_finished.
+ */
+ err = -EBUSY;
+ unfreeze_array(conf);
+ goto abort;
+ }
clear_bit(Replacement, &repl->flags);
p->rdev = repl;
conf->mirrors[conf->raid_disks + number].rdev = NULL;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0d18d3b..5fb31ef 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2625,7 +2625,8 @@
for (m = 0; m < conf->copies; m++) {
int dev = r10_bio->devs[m].devnum;
rdev = conf->mirrors[dev].rdev;
- if (r10_bio->devs[m].bio == NULL)
+ if (r10_bio->devs[m].bio == NULL ||
+ r10_bio->devs[m].bio->bi_end_io == NULL)
continue;
if (!r10_bio->devs[m].bio->bi_status) {
rdev_clear_badblocks(
@@ -2640,7 +2641,8 @@
md_error(conf->mddev, rdev);
}
rdev = conf->mirrors[dev].replacement;
- if (r10_bio->devs[m].repl_bio == NULL)
+ if (r10_bio->devs[m].repl_bio == NULL ||
+ r10_bio->devs[m].repl_bio->bi_end_io == NULL)
continue;
if (!r10_bio->devs[m].repl_bio->bi_status) {
@@ -4691,17 +4693,11 @@
return;
if (mddev->delta_disks > 0) {
- sector_t size = raid10_size(mddev, 0, 0);
- md_set_array_sectors(mddev, size);
if (mddev->recovery_cp > mddev->resync_max_sectors) {
mddev->recovery_cp = mddev->resync_max_sectors;
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
}
- mddev->resync_max_sectors = size;
- if (mddev->queue) {
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
- }
+ mddev->resync_max_sectors = mddev->array_sectors;
} else {
int d;
rcu_read_lock();
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7ec822c..de1ef62 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2197,15 +2197,16 @@
static int grow_stripes(struct r5conf *conf, int num)
{
struct kmem_cache *sc;
+ size_t namelen = sizeof(conf->cache_name[0]);
int devs = max(conf->raid_disks, conf->previous_raid_disks);
if (conf->mddev->gendisk)
- sprintf(conf->cache_name[0],
+ snprintf(conf->cache_name[0], namelen,
"raid%d-%s", conf->level, mdname(conf->mddev));
else
- sprintf(conf->cache_name[0],
+ snprintf(conf->cache_name[0], namelen,
"raid%d-%p", conf->level, conf->mddev);
- sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]);
+ snprintf(conf->cache_name[1], namelen, "%.27s-alt", conf->cache_name[0]);
conf->active_name = 0;
sc = kmem_cache_create(conf->cache_name[conf->active_name],
@@ -8000,13 +8001,7 @@
if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
- if (mddev->delta_disks > 0) {
- md_set_array_sectors(mddev, raid5_size(mddev, 0, 0));
- if (mddev->queue) {
- set_capacity(mddev->gendisk, mddev->array_sectors);
- revalidate_disk(mddev->gendisk);
- }
- } else {
+ if (mddev->delta_disks <= 0) {
int d;
spin_lock_irq(&conf->device_lock);
mddev->degraded = raid5_calc_degraded(conf);
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h
index b1afecc..c96dcda 100644
--- a/drivers/misc/cxl/cxl.h
+++ b/drivers/misc/cxl/cxl.h
@@ -365,6 +365,9 @@
#define CXL_PSL_TFC_An_AE (1ull << (63-30)) /* Restart PSL with address error */
#define CXL_PSL_TFC_An_R (1ull << (63-31)) /* Restart PSL transaction */
+/****** CXL_PSL_DEBUG *****************************************************/
+#define CXL_PSL_DEBUG_CDC (1ull << (63-27)) /* Coherent Data cache support */
+
/****** CXL_XSL9_IERAT_ERAT - CAIA 2 **********************************/
#define CXL_XSL9_IERAT_MLPID (1ull << (63-0)) /* Match LPID */
#define CXL_XSL9_IERAT_MPID (1ull << (63-1)) /* Match PID */
@@ -659,6 +662,7 @@
irq_hw_number_t err_hwirq;
unsigned int err_virq;
u64 ps_off;
+ bool no_data_cache; /* set if no data cache on the card */
const struct cxl_service_layer_ops *sl_ops;
};
diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c
index 4a82c31..9c042b0 100644
--- a/drivers/misc/cxl/native.c
+++ b/drivers/misc/cxl/native.c
@@ -352,8 +352,17 @@
u64 reg;
unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
- pr_devel("Flushing data cache\n");
+ /*
+ * Do a datacache flush only if datacache is available.
+ * In case of PSL9D datacache absent hence flush operation.
+ * would timeout.
+ */
+ if (adapter->native->no_data_cache) {
+ pr_devel("No PSL data cache. Ignoring cache flush req.\n");
+ return 0;
+ }
+ pr_devel("Flushing data cache\n");
reg = cxl_p1_read(adapter, CXL_PSL_Control);
reg |= CXL_PSL_Control_Fr;
cxl_p1_write(adapter, CXL_PSL_Control, reg);
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 81093f8..2b3fd0a 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -457,6 +457,7 @@
u64 chipid;
u32 phb_index;
u64 capp_unit_id;
+ u64 psl_debug;
int rc;
rc = cxl_calc_capp_routing(dev, &chipid, &phb_index, &capp_unit_id);
@@ -507,6 +508,16 @@
if (cxl_is_power9_dd1())
cxl_p1_write(adapter, CXL_PSL9_GP_CT, 0x0400000000000001ULL);
+ /*
+ * Check if PSL has data-cache. We need to flush adapter datacache
+ * when as its about to be removed.
+ */
+ psl_debug = cxl_p1_read(adapter, CXL_PSL9_DEBUG);
+ if (psl_debug & CXL_PSL_DEBUG_CDC) {
+ dev_dbg(&dev->dev, "No data-cache present\n");
+ adapter->native->no_data_cache = true;
+ }
+
return 0;
}
@@ -1450,10 +1461,8 @@
/*
* The adapter is about to be reset, so ignore errors.
- * Not supported on P9 DD1
*/
- if ((cxl_is_power8()) || (!(cxl_is_power9_dd1())))
- cxl_data_cache_flush(adapter);
+ cxl_data_cache_flush(adapter);
/* pcie_warm_reset requests a fundamental pci reset which includes a
* PERST assert/deassert. PERST triggers a loading of the image
@@ -1898,10 +1907,8 @@
/*
* Flush adapter datacache as its about to be removed.
- * Not supported on P9 DD1.
*/
- if ((cxl_is_power8()) || (!(cxl_is_power9_dd1())))
- cxl_data_cache_flush(adapter);
+ cxl_data_cache_flush(adapter);
cxl_deconfigure_adapter(adapter);
diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
index 61666d2..0cfbdb3 100644
--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -33,6 +33,8 @@
const struct sdhci_iproc_data *data;
u32 shadow_cmd;
u32 shadow_blk;
+ bool is_cmd_shadowed;
+ bool is_blk_shadowed;
};
#define REG_OFFSET_IN_BITS(reg) ((reg) << 3 & 0x18)
@@ -48,8 +50,22 @@
static u16 sdhci_iproc_readw(struct sdhci_host *host, int reg)
{
- u32 val = sdhci_iproc_readl(host, (reg & ~3));
- u16 word = val >> REG_OFFSET_IN_BITS(reg) & 0xffff;
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_iproc_host *iproc_host = sdhci_pltfm_priv(pltfm_host);
+ u32 val;
+ u16 word;
+
+ if ((reg == SDHCI_TRANSFER_MODE) && iproc_host->is_cmd_shadowed) {
+ /* Get the saved transfer mode */
+ val = iproc_host->shadow_cmd;
+ } else if ((reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) &&
+ iproc_host->is_blk_shadowed) {
+ /* Get the saved block info */
+ val = iproc_host->shadow_blk;
+ } else {
+ val = sdhci_iproc_readl(host, (reg & ~3));
+ }
+ word = val >> REG_OFFSET_IN_BITS(reg) & 0xffff;
return word;
}
@@ -105,13 +121,15 @@
if (reg == SDHCI_COMMAND) {
/* Write the block now as we are issuing a command */
- if (iproc_host->shadow_blk != 0) {
+ if (iproc_host->is_blk_shadowed) {
sdhci_iproc_writel(host, iproc_host->shadow_blk,
SDHCI_BLOCK_SIZE);
- iproc_host->shadow_blk = 0;
+ iproc_host->is_blk_shadowed = false;
}
oldval = iproc_host->shadow_cmd;
- } else if (reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) {
+ iproc_host->is_cmd_shadowed = false;
+ } else if ((reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) &&
+ iproc_host->is_blk_shadowed) {
/* Block size and count are stored in shadow reg */
oldval = iproc_host->shadow_blk;
} else {
@@ -123,9 +141,11 @@
if (reg == SDHCI_TRANSFER_MODE) {
/* Save the transfer mode until the command is issued */
iproc_host->shadow_cmd = newval;
+ iproc_host->is_cmd_shadowed = true;
} else if (reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) {
/* Save the block info until the command is issued */
iproc_host->shadow_blk = newval;
+ iproc_host->is_blk_shadowed = true;
} else {
/* Command or other regular 32-bit write */
sdhci_iproc_writel(host, newval, reg & ~3);
@@ -166,7 +186,7 @@
static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = {
.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
- .quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON,
.ops = &sdhci_iproc_32only_ops,
};
@@ -206,7 +226,6 @@
.caps1 = SDHCI_DRIVER_TYPE_C |
SDHCI_DRIVER_TYPE_D |
SDHCI_SUPPORT_DDR50,
- .mmc_caps = MMC_CAP_1_8V_DDR,
};
static const struct sdhci_pltfm_data sdhci_bcm2835_pltfm_data = {
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f0aa572..00245b7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1528,7 +1528,7 @@
if (res) {
netdev_err(bond_dev, "Couldn't add bond vlan ids to %s\n",
slave_dev->name);
- goto err_close;
+ goto err_hwaddr_unsync;
}
prev_slave = bond_last_slave(bond);
@@ -1769,6 +1769,10 @@
synchronize_rcu();
slave_disable_netpoll(new_slave);
+err_hwaddr_unsync:
+ if (!bond_uses_primary(bond))
+ bond_hw_addr_flush(bond_dev, slave_dev);
+
err_close:
slave_dev->priv_flags &= ~IFF_BONDING;
dev_close(slave_dev);
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index f4947a7..5d4e617 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/iopoll.h>
#include <linux/can/dev.h>
+#include <linux/pinctrl/consumer.h>
/* napi related */
#define M_CAN_NAPI_WEIGHT 64
@@ -246,7 +247,7 @@
/* Rx FIFO 0/1 Configuration (RXF0C/RXF1C) */
#define RXFC_FWM_SHIFT 24
-#define RXFC_FWM_MASK (0x7f < RXFC_FWM_SHIFT)
+#define RXFC_FWM_MASK (0x7f << RXFC_FWM_SHIFT)
#define RXFC_FS_SHIFT 16
#define RXFC_FS_MASK (0x7f << RXFC_FS_SHIFT)
@@ -1682,6 +1683,8 @@
m_can_clk_stop(priv);
}
+ pinctrl_pm_select_sleep_state(dev);
+
priv->can.state = CAN_STATE_SLEEPING;
return 0;
@@ -1692,6 +1695,8 @@
struct net_device *ndev = dev_get_drvdata(dev);
struct m_can_priv *priv = netdev_priv(ndev);
+ pinctrl_pm_select_default_state(dev);
+
m_can_init_ram(priv);
priv->can.state = CAN_STATE_ERROR_ACTIVE;
diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile
index d040aeb..15c2a83 100644
--- a/drivers/net/dsa/Makefile
+++ b/drivers/net/dsa/Makefile
@@ -1,7 +1,10 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_NET_DSA_BCM_SF2) += bcm-sf2.o
bcm-sf2-objs := bcm_sf2.o bcm_sf2_cfp.o
-obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o dsa_loop_bdinfo.o
+obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o
+ifdef CONFIG_NET_DSA_LOOP
+obj-$(CONFIG_FIXED_PHY) += dsa_loop_bdinfo.o
+endif
obj-$(CONFIG_NET_DSA_MT7530) += mt7530.o
obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o
obj-$(CONFIG_NET_DSA_QCA8K) += qca8k.o
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index c142b97..3b073e1 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1122,6 +1122,7 @@
{ .compatible = "mediatek,mt7530" },
{ /* sentinel */ },
};
+MODULE_DEVICE_TABLE(of, mt7530_of_match);
static struct mdio_driver mt7530_mdio_driver = {
.probe = mt7530_probe,
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 48d672b..a4080f1 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -532,7 +532,8 @@
int i;
for (i = 0; i < BGMAC_TX_RING_SLOTS; i++) {
- int len = dma_desc[i].ctl1 & BGMAC_DESC_CTL1_LEN;
+ u32 ctl1 = le32_to_cpu(dma_desc[i].ctl1);
+ unsigned int len = ctl1 & BGMAC_DESC_CTL1_LEN;
slot = &ring->slots[i];
dev_kfree_skb(slot->skb);
diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h
index 4040d84..40d02fe 100644
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -479,9 +479,9 @@
struct bgmac {
union {
struct {
- void *base;
- void *idm_base;
- void *nicpm_base;
+ void __iomem *base;
+ void __iomem *idm_base;
+ void __iomem *nicpm_base;
} plat;
struct {
struct bcma_device *core;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 807cf75..bfd2d03 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3808,6 +3808,9 @@
struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
struct hwrm_vnic_tpa_cfg_input req = {0};
+ if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+ return 0;
+
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1);
if (tpa_flags) {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 92d9d79..44a0d04 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -815,8 +815,6 @@
err = t4_sge_alloc_rxq(adap, &s->fw_evtq, true, adap->port[0],
adap->msi_idx, NULL, fwevtq_handler, NULL, -1);
- if (err)
- t4_free_sge_resources(adap);
return err;
}
@@ -4679,7 +4677,6 @@
/* Initialize the device structure. */
dev->netdev_ops = &cxgb4_mgmt_netdev_ops;
dev->ethtool_ops = &cxgb4_mgmt_ethtool_ops;
- dev->needs_free_netdev = true;
}
static int config_mgmt_dev(struct pci_dev *pdev)
@@ -5117,6 +5114,13 @@
if (err)
goto out_free_dev;
+ err = setup_fw_sge_queues(adapter);
+ if (err) {
+ dev_err(adapter->pdev_dev,
+ "FW sge queue allocation failed, err %d", err);
+ goto out_free_dev;
+ }
+
/*
* The card is now ready to go. If any errors occur during device
* registration we do not fail the whole card but rather proceed only
@@ -5165,7 +5169,6 @@
cxgb4_ptp_init(adapter);
print_adapter_info(adapter);
- setup_fw_sge_queues(adapter);
return 0;
sriov:
@@ -5221,6 +5224,7 @@
#endif
out_free_dev:
+ t4_free_sge_resources(adapter);
free_some_resources(adapter);
if (adapter->flags & USING_MSIX)
free_msix_info(adapter);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
index 71a315b..99a9d52 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
@@ -342,6 +342,7 @@
{
struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type];
+ adap->sge.uld_rxq_info[uld_type] = NULL;
kfree(rxq_info->rspq_id);
kfree(rxq_info->uldrxq);
kfree(rxq_info);
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index d24ee1a..aef40f0 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1897,6 +1897,8 @@
}
for (i = 0; i < enic->rq_count; i++) {
+ /* enable rq before updating rq desc */
+ vnic_rq_enable(&enic->rq[i]);
vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf);
/* Need at least one buffer on ring to get going */
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
@@ -1908,8 +1910,6 @@
for (i = 0; i < enic->wq_count; i++)
vnic_wq_enable(&enic->wq[i]);
- for (i = 0; i < enic->rq_count; i++)
- vnic_rq_enable(&enic->rq[i]);
if (!enic_is_dynamic(enic) && !enic_is_sriov_vf(enic))
enic_dev_add_station_addr(enic);
@@ -1935,8 +1935,12 @@
return 0;
err_out_free_rq:
- for (i = 0; i < enic->rq_count; i++)
+ for (i = 0; i < enic->rq_count; i++) {
+ err = vnic_rq_disable(&enic->rq[i]);
+ if (err)
+ return err;
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
+ }
enic_dev_notify_unset(enic);
err_out_free_intr:
enic_unset_affinity_hint(enic);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 4f6e9d3..5b4f058 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -1930,8 +1930,10 @@
goto csum_failed;
}
+ /* SGT[0] is used by the linear part */
sgt = (struct qm_sg_entry *)(sgt_buf + priv->tx_headroom);
- qm_sg_entry_set_len(&sgt[0], skb_headlen(skb));
+ frag_len = skb_headlen(skb);
+ qm_sg_entry_set_len(&sgt[0], frag_len);
sgt[0].bpid = FSL_DPAA_BPID_INV;
sgt[0].offset = 0;
addr = dma_map_single(dev, skb->data,
@@ -1944,9 +1946,9 @@
qm_sg_entry_set64(&sgt[0], addr);
/* populate the rest of SGT entries */
- frag = &skb_shinfo(skb)->frags[0];
- frag_len = frag->size;
- for (i = 1; i <= nr_frags; i++, frag++) {
+ for (i = 0; i < nr_frags; i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ frag_len = frag->size;
WARN_ON(!skb_frag_page(frag));
addr = skb_frag_dma_map(dev, frag, 0,
frag_len, dma_dir);
@@ -1956,15 +1958,16 @@
goto sg_map_failed;
}
- qm_sg_entry_set_len(&sgt[i], frag_len);
- sgt[i].bpid = FSL_DPAA_BPID_INV;
- sgt[i].offset = 0;
+ qm_sg_entry_set_len(&sgt[i + 1], frag_len);
+ sgt[i + 1].bpid = FSL_DPAA_BPID_INV;
+ sgt[i + 1].offset = 0;
/* keep the offset in the address */
- qm_sg_entry_set64(&sgt[i], addr);
- frag_len = frag->size;
+ qm_sg_entry_set64(&sgt[i + 1], addr);
}
- qm_sg_entry_set_f(&sgt[i - 1], frag_len);
+
+ /* Set the final bit in the last used entry of the SGT */
+ qm_sg_entry_set_f(&sgt[nr_frags], frag_len);
qm_fd_set_sg(fd, priv->tx_headroom, skb->len);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index faea674..85306d1 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -211,7 +211,7 @@
if (epause->rx_pause)
newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
if (epause->tx_pause)
- newadv |= ADVERTISED_Asym_Pause;
+ newadv ^= ADVERTISED_Asym_Pause;
oldadv = phydev->advertising &
(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
index ea43b49..7af31dd 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
@@ -1100,7 +1100,7 @@
set_bucket(dtsec->regs, bucket, true);
/* Create element to be added to the driver hash table */
- hash_entry = kmalloc(sizeof(*hash_entry), GFP_KERNEL);
+ hash_entry = kmalloc(sizeof(*hash_entry), GFP_ATOMIC);
if (!hash_entry)
return -ENOMEM;
hash_entry->addr = addr;
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 3bdeb29..63daae1 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -3072,9 +3072,6 @@
if (ndev->features & NETIF_F_RXCSUM)
gfar_rx_checksum(skb, fcb);
- /* Tell the skb what kind of packet this is */
- skb->protocol = eth_type_trans(skb, ndev);
-
/* There's need to check for NETIF_F_HW_VLAN_CTAG_RX here.
* Even if vlan rx accel is disabled, on some chips
* RXFCB_VLN is pseudo randomly set.
@@ -3145,13 +3142,15 @@
continue;
}
+ gfar_process_frame(ndev, skb);
+
/* Increment the number of packets */
total_pkts++;
total_bytes += skb->len;
skb_record_rx_queue(skb, rx_queue->qindex);
- gfar_process_frame(ndev, skb);
+ skb->protocol = eth_type_trans(skb, ndev);
/* Send the packet up the stack */
napi_gro_receive(&rx_queue->grp->napi_rx, skb);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 3ae02b0..98493be 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -933,6 +933,35 @@
return rc;
}
+static void clean_rx_pools(struct ibmvnic_adapter *adapter)
+{
+ struct ibmvnic_rx_pool *rx_pool;
+ u64 rx_entries;
+ int rx_scrqs;
+ int i, j;
+
+ if (!adapter->rx_pool)
+ return;
+
+ rx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_rxadd_subcrqs);
+ rx_entries = adapter->req_rx_add_entries_per_subcrq;
+
+ /* Free any remaining skbs in the rx buffer pools */
+ for (i = 0; i < rx_scrqs; i++) {
+ rx_pool = &adapter->rx_pool[i];
+ if (!rx_pool)
+ continue;
+
+ netdev_dbg(adapter->netdev, "Cleaning rx_pool[%d]\n", i);
+ for (j = 0; j < rx_entries; j++) {
+ if (rx_pool->rx_buff[j].skb) {
+ dev_kfree_skb_any(rx_pool->rx_buff[j].skb);
+ rx_pool->rx_buff[j].skb = NULL;
+ }
+ }
+ }
+}
+
static void clean_tx_pools(struct ibmvnic_adapter *adapter)
{
struct ibmvnic_tx_pool *tx_pool;
@@ -1010,7 +1039,7 @@
}
}
}
-
+ clean_rx_pools(adapter);
clean_tx_pools(adapter);
adapter->state = VNIC_CLOSED;
return rc;
@@ -1460,8 +1489,6 @@
return 0;
}
- netif_carrier_on(netdev);
-
/* kick napi */
for (i = 0; i < adapter->req_rx_queues; i++)
napi_schedule(&adapter->napi[i]);
@@ -1469,6 +1496,8 @@
if (adapter->reset_reason != VNIC_RESET_FAILOVER)
netdev_notify_peers(netdev);
+ netif_carrier_on(netdev);
+
return 0;
}
@@ -1636,6 +1665,12 @@
be16_to_cpu(next->rx_comp.rc));
/* free the entry */
next->rx_comp.first = 0;
+ dev_kfree_skb_any(rx_buff->skb);
+ remove_buff_from_pool(adapter, rx_buff);
+ continue;
+ } else if (!rx_buff->skb) {
+ /* free the entry */
+ next->rx_comp.first = 0;
remove_buff_from_pool(adapter, rx_buff);
continue;
}
@@ -1927,6 +1962,7 @@
}
memset(scrq->msgs, 0, 4 * PAGE_SIZE);
+ atomic_set(&scrq->used, 0);
scrq->cur = 0;
rc = h_reg_sub_crq(adapter->vdev->unit_address, scrq->msg_token,
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 31277d3..ff308b0 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1602,7 +1602,7 @@
* we have already determined whether we have link or not.
*/
if (!mac->autoneg)
- return -E1000_ERR_CONFIG;
+ return 1;
/* Auto-Neg is enabled. Auto Speed Detection takes care
* of MAC speed/duplex configuration. So we only need to
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
index f457c57..db73564 100644
--- a/drivers/net/ethernet/intel/e1000e/mac.c
+++ b/drivers/net/ethernet/intel/e1000e/mac.c
@@ -450,7 +450,7 @@
* we have already determined whether we have link or not.
*/
if (!mac->autoneg)
- return -E1000_ERR_CONFIG;
+ return 1;
/* Auto-Neg is enabled. Auto Speed Detection takes care
* of MAC speed/duplex configuration. So we only need to
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 991c2a0..7a22653 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2329,8 +2329,8 @@
{
struct pci_dev *pdev = adapter->pdev;
- ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
- GFP_KERNEL);
+ ring->desc = dma_zalloc_coherent(&pdev->dev, ring->size, &ring->dma,
+ GFP_KERNEL);
if (!ring->desc)
return -ENOMEM;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d36b799..04dbf64 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7196,6 +7196,17 @@
}
i40e_get_oem_version(&pf->hw);
+ if (test_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state) &&
+ ((hw->aq.fw_maj_ver == 4 && hw->aq.fw_min_ver <= 33) ||
+ hw->aq.fw_maj_ver < 4) && hw->mac.type == I40E_MAC_XL710) {
+ /* The following delay is necessary for 4.33 firmware and older
+ * to recover after EMP reset. 200 ms should suffice but we
+ * put here 300 ms to be sure that FW is ready to operate
+ * after reset.
+ */
+ mdelay(300);
+ }
+
/* re-verify the eeprom if we just had an EMP reset */
if (test_and_clear_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state))
i40e_verify_eeprom(pf);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 9e30cfe..20a8018 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7658,7 +7658,8 @@
if (test_bit(__IXGBE_PTP_RUNNING, &adapter->state)) {
ixgbe_ptp_overflow_check(adapter);
- ixgbe_ptp_rx_hang(adapter);
+ if (adapter->flags & IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER)
+ ixgbe_ptp_rx_hang(adapter);
ixgbe_ptp_tx_hang(adapter);
}
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index a539263..d28f873 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1112,6 +1112,7 @@
}
mvreg_write(pp, MVNETA_TXQ_CMD, q_map);
+ q_map = 0;
/* Enable all initialized RXQs. */
for (queue = 0; queue < rxq_number; queue++) {
struct mvneta_rx_queue *rxq = &pp->rxqs[queue];
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index fdaef00..576b61c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -46,7 +46,7 @@
config MLX5_ESWITCH
bool "Mellanox Technologies MLX5 SRIOV E-Switch support"
- depends on MLX5_CORE_EN
+ depends on MLX5_CORE_EN && NET_SWITCHDEV
default y
---help---
Mellanox Technologies Ethernet SRIOV E-Switch support in ConnectX NIC.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index e9a1fbc..3efe45b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1802,7 +1802,7 @@
cmd->checksum_disabled = 1;
cmd->max_reg_cmds = (1 << cmd->log_sz) - 1;
- cmd->bitmask = (1 << cmd->max_reg_cmds) - 1;
+ cmd->bitmask = (1UL << cmd->max_reg_cmds) - 1;
cmd->cmdif_rev = ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
if (cmd->cmdif_rev > CMD_IF_REV) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 225b2ad..337ce94 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4022,7 +4022,7 @@
}
}
-#if IS_ENABLED(CONFIG_NET_SWITCHDEV) && IS_ENABLED(CONFIG_MLX5_ESWITCH)
+#if IS_ENABLED(CONFIG_MLX5_ESWITCH)
static const struct switchdev_ops mlx5e_switchdev_ops = {
.switchdev_port_attr_get = mlx5e_attr_get,
};
@@ -4126,7 +4126,7 @@
mlx5e_set_netdev_dev_addr(netdev);
-#if IS_ENABLED(CONFIG_NET_SWITCHDEV) && IS_ENABLED(CONFIG_MLX5_ESWITCH)
+#if IS_ENABLED(CONFIG_MLX5_ESWITCH)
if (MLX5_VPORT_MANAGER(mdev))
netdev->switchdev_ops = &mlx5e_switchdev_ops;
#endif
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 5ffd1db..4727e73 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -825,9 +825,7 @@
netdev->ethtool_ops = &mlx5e_rep_ethtool_ops;
-#ifdef CONFIG_NET_SWITCHDEV
netdev->switchdev_ops = &mlx5e_rep_switchdev_ops;
-#endif
netdev->features |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
netdev->hw_features |= NETIF_F_HW_TC;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index ede66e6..e28f9da 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2018,7 +2018,8 @@
if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
} else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
- if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q))
+ if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) ||
+ tcf_vlan_push_prio(a))
return -EOPNOTSUPP;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
index f6963b0..122506d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.h
@@ -107,20 +107,20 @@
MLXSW_AFK_ELEMENT_INFO_U32(VID, 0x10, 8, 12),
MLXSW_AFK_ELEMENT_INFO_U32(PCP, 0x10, 20, 3),
MLXSW_AFK_ELEMENT_INFO_U32(TCP_FLAGS, 0x10, 23, 9),
- MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x14, 0, 8),
- MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x14, 9, 2),
- MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x14, 11, 6),
- MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x18, 0, 32),
- MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x1C, 0, 32),
- MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x18, 8),
- MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x20, 8),
- MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x28, 8),
- MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x30, 8),
MLXSW_AFK_ELEMENT_INFO_U32(DST_L4_PORT, 0x14, 0, 16),
MLXSW_AFK_ELEMENT_INFO_U32(SRC_L4_PORT, 0x14, 16, 16),
+ MLXSW_AFK_ELEMENT_INFO_U32(IP_TTL_, 0x18, 0, 8),
+ MLXSW_AFK_ELEMENT_INFO_U32(IP_ECN, 0x18, 9, 2),
+ MLXSW_AFK_ELEMENT_INFO_U32(IP_DSCP, 0x18, 11, 6),
+ MLXSW_AFK_ELEMENT_INFO_U32(SRC_IP4, 0x20, 0, 32),
+ MLXSW_AFK_ELEMENT_INFO_U32(DST_IP4, 0x24, 0, 32),
+ MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_HI, 0x20, 8),
+ MLXSW_AFK_ELEMENT_INFO_BUF(SRC_IP6_LO, 0x28, 8),
+ MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_HI, 0x30, 8),
+ MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP6_LO, 0x38, 8),
};
-#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x38
+#define MLXSW_AFK_ELEMENT_STORAGE_SIZE 0x40
struct mlxsw_afk_element_inst { /* element instance in actual block */
const struct mlxsw_afk_element_info *info;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 99bd6e8..8b48338 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1417,6 +1417,7 @@
}
mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port;
+ mlxsw_sp_port_vlan->ref_count = 1;
mlxsw_sp_port_vlan->vid = vid;
list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list);
@@ -1444,8 +1445,10 @@
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
- if (mlxsw_sp_port_vlan)
+ if (mlxsw_sp_port_vlan) {
+ mlxsw_sp_port_vlan->ref_count++;
return mlxsw_sp_port_vlan;
+ }
return mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid);
}
@@ -1454,6 +1457,9 @@
{
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
+ if (--mlxsw_sp_port_vlan->ref_count != 0)
+ return;
+
if (mlxsw_sp_port_vlan->bridge_port)
mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
else if (fid)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 88892d4..8c4ce0a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -194,6 +194,7 @@
struct list_head list;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp_fid *fid;
+ unsigned int ref_count;
u16 vid;
struct mlxsw_sp_bridge_port *bridge_port;
struct list_head bridge_vlan_node;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
index bbd238e..54262af 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
@@ -112,11 +112,11 @@
[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_NON_IP] = 1,
[MLXSW_REG_SFGC_TYPE_IPV4_LINK_LOCAL] = 1,
[MLXSW_REG_SFGC_TYPE_IPV6_ALL_HOST] = 1,
+ [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1,
};
static const int mlxsw_sp_sfgc_mc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
[MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV4] = 1,
- [MLXSW_REG_SFGC_TYPE_UNREGISTERED_MULTICAST_IPV6] = 1,
};
static const int *mlxsw_sp_packet_type_sfgc_types[] = {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
index af106be..629bfa0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
@@ -2471,7 +2471,10 @@
if (rc)
return rc;
- /* Free Task CXT */
+ /* Free Task CXT ( Intentionally RoCE as task-id is shared between
+ * RoCE and iWARP )
+ */
+ proto = PROTOCOLID_ROCE;
rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0,
qed_cxt_get_proto_tid_count(p_hwfn, proto));
if (rc)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index 6fb9951..1b65548 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -360,6 +360,7 @@
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Freeing RDMA\n");
qed_rdma_resc_free(p_hwfn);
+ qed_cxt_free_proto_ilt(p_hwfn, p_hwfn->p_rdma_info->proto);
}
static void qed_rdma_get_guid(struct qed_hwfn *p_hwfn, u8 *guid)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 6fc854b..d50cc26 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -320,13 +320,11 @@
barrier();
writel(txq->tx_db.raw, txq->doorbell_addr);
- /* mmiowb is needed to synchronize doorbell writes from more than one
- * processor. It guarantees that the write arrives to the device before
- * the queue lock is released and another start_xmit is called (possibly
- * on another CPU). Without this barrier, the next doorbell can bypass
- * this doorbell. This is applicable to IA64/Altix systems.
+ /* Fence required to flush the write combined buffer, since another
+ * CPU may write to the same doorbell address and data may be lost
+ * due to relaxed order nature of write combined bar.
*/
- mmiowb();
+ wmb();
}
static int qede_xdp_xmit(struct qede_dev *edev, struct qede_fastpath *fp,
@@ -1247,16 +1245,10 @@
csum_flag = qede_check_csum(parse_flag);
if (unlikely(csum_flag == QEDE_CSUM_ERROR)) {
- if (qede_pkt_is_ip_fragmented(fp_cqe, parse_flag)) {
+ if (qede_pkt_is_ip_fragmented(fp_cqe, parse_flag))
rxq->rx_ip_frags++;
- } else {
- DP_NOTICE(edev,
- "CQE has error, flags = %x, dropping incoming packet\n",
- parse_flag);
+ else
rxq->rx_hw_errors++;
- qede_recycle_rx_bd_ring(rxq, fp_cqe->bd_num);
- return 0;
- }
}
/* Basic validation passed; Need to prepare an SKB. This would also
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
index 3ed9033..44f797a 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
@@ -1204,9 +1204,9 @@
while (tx_q->tpd.consume_idx != hw_consume_idx) {
tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.consume_idx);
if (tpbuf->dma_addr) {
- dma_unmap_single(adpt->netdev->dev.parent,
- tpbuf->dma_addr, tpbuf->length,
- DMA_TO_DEVICE);
+ dma_unmap_page(adpt->netdev->dev.parent,
+ tpbuf->dma_addr, tpbuf->length,
+ DMA_TO_DEVICE);
tpbuf->dma_addr = 0;
}
@@ -1363,9 +1363,11 @@
tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx);
tpbuf->length = mapped_len;
- tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent,
- skb->data, tpbuf->length,
- DMA_TO_DEVICE);
+ tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent,
+ virt_to_page(skb->data),
+ offset_in_page(skb->data),
+ tpbuf->length,
+ DMA_TO_DEVICE);
ret = dma_mapping_error(adpt->netdev->dev.parent,
tpbuf->dma_addr);
if (ret)
@@ -1381,9 +1383,12 @@
if (mapped_len < len) {
tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx);
tpbuf->length = len - mapped_len;
- tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent,
- skb->data + mapped_len,
- tpbuf->length, DMA_TO_DEVICE);
+ tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent,
+ virt_to_page(skb->data +
+ mapped_len),
+ offset_in_page(skb->data +
+ mapped_len),
+ tpbuf->length, DMA_TO_DEVICE);
ret = dma_mapping_error(adpt->netdev->dev.parent,
tpbuf->dma_addr);
if (ret)
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index db31963..38080e9 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -753,6 +753,7 @@
.rpadir = 1,
.rpadir_value = 2 << 16,
.rtrate = 1,
+ .dual_port = 1,
};
#define SH_GIGA_ETH_BASE 0xfee00000UL
@@ -831,6 +832,7 @@
.no_trimd = 1,
.no_ade = 1,
.tsu = 1,
+ .dual_port = 1,
};
/* SH7734 */
@@ -901,6 +903,7 @@
.tsu = 1,
.irq_flags = IRQF_SHARED,
.magic = 1,
+ .dual_port = 1,
};
static struct sh_eth_cpu_data sh7619_data = {
@@ -933,6 +936,7 @@
EESIPR_RRFIP | EESIPR_RTLFIP | EESIPR_RTSFIP |
EESIPR_PREIP | EESIPR_CERFIP,
.tsu = 1,
+ .dual_port = 1,
};
static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd)
@@ -2911,7 +2915,7 @@
/* SuperH's TSU register init function */
static void sh_eth_tsu_init(struct sh_eth_private *mdp)
{
- if (sh_eth_is_rz_fast_ether(mdp)) {
+ if (!mdp->cd->dual_port) {
sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */
sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL,
TSU_FWSLC); /* Enable POST registers */
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index a6753cc..6ab3d46 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -509,6 +509,7 @@
unsigned rmiimode:1; /* EtherC has RMIIMODE register */
unsigned rtrate:1; /* EtherC has RTRATE register */
unsigned magic:1; /* EtherC has ECMR.MPDE and ECSR.MPD */
+ unsigned dual_port:1; /* Dual EtherC/E-DMAC */
};
struct sh_eth_private {
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 012fb66..f0afb88 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2335,14 +2335,14 @@
pdata = netdev_priv(dev);
BUG_ON(!pdata);
BUG_ON(!pdata->ioaddr);
- WARN_ON(dev->phydev);
SMSC_TRACE(pdata, ifdown, "Stopping driver");
+ unregister_netdev(dev);
+
mdiobus_unregister(pdata->mii_bus);
mdiobus_free(pdata->mii_bus);
- unregister_netdev(dev);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"smsc911x-memory");
if (!res)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d0cc737..9866d2e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1829,6 +1829,11 @@
if (unlikely(status & tx_dma_own))
break;
+ /* Make sure descriptor fields are read after reading
+ * the own bit.
+ */
+ dma_rmb();
+
/* Just consider the last segment and ...*/
if (likely(!(status & tx_not_ls))) {
/* ... verify the status error condition */
@@ -2368,7 +2373,7 @@
continue;
packet = priv->plat->rx_queues_cfg[queue].pkt_route;
- priv->hw->mac->rx_queue_prio(priv->hw, packet, queue);
+ priv->hw->mac->rx_queue_routing(priv->hw, packet, queue);
}
}
@@ -2918,8 +2923,15 @@
tcp_hdrlen(skb) / 4, (skb->len - proto_hdr_len));
/* If context desc is used to change MSS */
- if (mss_desc)
+ if (mss_desc) {
+ /* Make sure that first descriptor has been completely
+ * written, including its own bit. This is because MSS is
+ * actually before first descriptor, so we need to make
+ * sure that MSS's own bit is the last thing written.
+ */
+ dma_wmb();
priv->hw->desc->set_tx_owner(mss_desc);
+ }
/* The own bit must be the latest setting done when prepare the
* descriptor and then barrier is needed to make sure that
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 0b95105..65347d2 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -311,7 +311,7 @@
dev->ethtool_ops = &vnet_ethtool_ops;
dev->watchdog_timeo = VNET_TX_TIMEOUT;
- dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_GSO_SOFTWARE |
+ dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_ALL_TSO |
NETIF_F_HW_CSUM | NETIF_F_SG;
dev->features = dev->hw_features;
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 99be63e..4647ecb 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -1261,7 +1261,7 @@
/* disable interupts from host */
hv_begin_read(rbi);
- __napi_schedule(&nvchan->napi);
+ __napi_schedule_irqoff(&nvchan->napi);
}
}
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 11b46c8..3a7241c 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -66,12 +66,43 @@
module_param(debug, int, S_IRUGO);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
-static void netvsc_set_multicast_list(struct net_device *net)
+static void netvsc_change_rx_flags(struct net_device *net, int change)
{
- struct net_device_context *net_device_ctx = netdev_priv(net);
- struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev);
+ struct net_device_context *ndev_ctx = netdev_priv(net);
+ struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev);
+ int inc;
- rndis_filter_update(nvdev);
+ if (!vf_netdev)
+ return;
+
+ if (change & IFF_PROMISC) {
+ inc = (net->flags & IFF_PROMISC) ? 1 : -1;
+ dev_set_promiscuity(vf_netdev, inc);
+ }
+
+ if (change & IFF_ALLMULTI) {
+ inc = (net->flags & IFF_ALLMULTI) ? 1 : -1;
+ dev_set_allmulti(vf_netdev, inc);
+ }
+}
+
+static void netvsc_set_rx_mode(struct net_device *net)
+{
+ struct net_device_context *ndev_ctx = netdev_priv(net);
+ struct net_device *vf_netdev;
+ struct netvsc_device *nvdev;
+
+ rcu_read_lock();
+ vf_netdev = rcu_dereference(ndev_ctx->vf_netdev);
+ if (vf_netdev) {
+ dev_uc_sync(vf_netdev, net);
+ dev_mc_sync(vf_netdev, net);
+ }
+
+ nvdev = rcu_dereference(ndev_ctx->nvdev);
+ if (nvdev)
+ rndis_filter_update(nvdev);
+ rcu_read_unlock();
}
static int netvsc_open(struct net_device *net)
@@ -1582,7 +1613,8 @@
.ndo_open = netvsc_open,
.ndo_stop = netvsc_close,
.ndo_start_xmit = netvsc_start_xmit,
- .ndo_set_rx_mode = netvsc_set_multicast_list,
+ .ndo_change_rx_flags = netvsc_change_rx_flags,
+ .ndo_set_rx_mode = netvsc_set_rx_mode,
.ndo_change_mtu = netvsc_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = netvsc_set_mac_addr,
@@ -1814,6 +1846,15 @@
netdev_warn(vf_netdev,
"unable to change mtu to %u\n", ndev->mtu);
+ /* set multicast etc flags on VF */
+ dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE);
+
+ /* sync address list from ndev to VF */
+ netif_addr_lock_bh(ndev);
+ dev_uc_sync(vf_netdev, ndev);
+ dev_mc_sync(vf_netdev, ndev);
+ netif_addr_unlock_bh(ndev);
+
if (netif_running(ndev)) {
ret = dev_open(vf_netdev);
if (ret)
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 6dde92c..d1ae184 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -850,15 +850,19 @@
{
struct rndis_device *rdev
= container_of(w, struct rndis_device, mcast_work);
+ u32 filter = NDIS_PACKET_TYPE_DIRECTED;
+ unsigned int flags = rdev->ndev->flags;
- if (rdev->ndev->flags & IFF_PROMISC)
- rndis_filter_set_packet_filter(rdev,
- NDIS_PACKET_TYPE_PROMISCUOUS);
- else
- rndis_filter_set_packet_filter(rdev,
- NDIS_PACKET_TYPE_BROADCAST |
- NDIS_PACKET_TYPE_ALL_MULTICAST |
- NDIS_PACKET_TYPE_DIRECTED);
+ if (flags & IFF_PROMISC) {
+ filter = NDIS_PACKET_TYPE_PROMISCUOUS;
+ } else {
+ if (!netdev_mc_empty(rdev->ndev) || (flags & IFF_ALLMULTI))
+ filter |= NDIS_PACKET_TYPE_ALL_MULTICAST;
+ if (flags & IFF_BROADCAST)
+ filter |= NDIS_PACKET_TYPE_BROADCAST;
+ }
+
+ rndis_filter_set_packet_filter(rdev, filter);
}
void rndis_filter_update(struct netvsc_device *nvdev)
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 24a1eab..22e466e 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2493,13 +2493,14 @@
struct ca8210_priv *priv = filp->private_data;
u8 command[CA8210_SPI_BUF_SIZE];
- if (len > CA8210_SPI_BUF_SIZE) {
+ memset(command, SPI_IDLE, 6);
+ if (len > CA8210_SPI_BUF_SIZE || len < 2) {
dev_warn(
&priv->spi->dev,
- "userspace requested erroneously long write (%zu)\n",
+ "userspace requested erroneous write length (%zu)\n",
len
);
- return -EMSGSIZE;
+ return -EBADE;
}
ret = copy_from_user(command, in_buf, len);
@@ -2511,6 +2512,13 @@
);
return -EIO;
}
+ if (len != command[1] + 2) {
+ dev_err(
+ &priv->spi->dev,
+ "write len does not match packet length field\n"
+ );
+ return -EBADE;
+ }
ret = ca8210_test_check_upstream(command, priv->spi);
if (ret == 0) {
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 0f35597..963a02c 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1448,7 +1448,7 @@
/* the macvlan port may be freed by macvlan_uninit when fail to register.
* so we destroy the macvlan port only when it's valid.
*/
- if (create && macvlan_port_get_rtnl(dev))
+ if (create && macvlan_port_get_rtnl(lowerdev))
macvlan_port_destroy(port->dev);
return err;
}
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index cbd6298..26fbbd3f 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -1207,6 +1207,23 @@
kfree(dp83640);
}
+static int dp83640_soft_reset(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = genphy_soft_reset(phydev);
+ if (ret < 0)
+ return ret;
+
+ /* From DP83640 datasheet: "Software driver code must wait 3 us
+ * following a software reset before allowing further serial MII
+ * operations with the DP83640."
+ */
+ udelay(10); /* Taking udelay inaccuracy into account */
+
+ return 0;
+}
+
static int dp83640_config_init(struct phy_device *phydev)
{
struct dp83640_private *dp83640 = phydev->priv;
@@ -1501,6 +1518,7 @@
.flags = PHY_HAS_INTERRUPT,
.probe = dp83640_probe,
.remove = dp83640_remove,
+ .soft_reset = dp83640_soft_reset,
.config_init = dp83640_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 1fb4648..9881edc 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2083,10 +2083,6 @@
dev->fc_autoneg = phydev->autoneg;
- phy_start(phydev);
-
- netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
-
return 0;
error:
@@ -2352,6 +2348,7 @@
u32 buf;
int ret = 0;
unsigned long timeout;
+ u8 sig;
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
buf |= HW_CFG_LRST_;
@@ -2451,6 +2448,15 @@
/* LAN7801 only has RGMII mode */
if (dev->chipid == ID_REV_CHIP_ID_7801_)
buf &= ~MAC_CR_GMII_EN_;
+
+ if (dev->chipid == ID_REV_CHIP_ID_7800_) {
+ ret = lan78xx_read_raw_eeprom(dev, 0, 1, &sig);
+ if (!ret && sig != EEPROM_INDICATOR) {
+ /* Implies there is no external eeprom. Set mac speed */
+ netdev_info(dev->net, "No External EEPROM. Setting MAC Speed\n");
+ buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_;
+ }
+ }
ret = lan78xx_write_reg(dev, MAC_CR, buf);
ret = lan78xx_read_reg(dev, MAC_TX, &buf);
@@ -2513,9 +2519,9 @@
if (ret < 0)
goto done;
- ret = lan78xx_phy_init(dev);
- if (ret < 0)
- goto done;
+ phy_start(net->phydev);
+
+ netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
/* for Link Check */
if (dev->urb_intr) {
@@ -2576,13 +2582,8 @@
if (timer_pending(&dev->stat_monitor))
del_timer_sync(&dev->stat_monitor);
- phy_unregister_fixup_for_uid(PHY_KSZ9031RNX, 0xfffffff0);
- phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0);
-
- phy_stop(net->phydev);
- phy_disconnect(net->phydev);
-
- net->phydev = NULL;
+ if (net->phydev)
+ phy_stop(net->phydev);
clear_bit(EVENT_DEV_OPEN, &dev->flags);
netif_stop_queue(net);
@@ -3497,8 +3498,13 @@
return;
udev = interface_to_usbdev(intf);
-
net = dev->net;
+
+ phy_unregister_fixup_for_uid(PHY_KSZ9031RNX, 0xfffffff0);
+ phy_unregister_fixup_for_uid(PHY_LAN8835, 0xfffffff0);
+
+ phy_disconnect(net->phydev);
+
unregister_netdev(net);
cancel_delayed_work_sync(&dev->wq);
@@ -3658,8 +3664,14 @@
pm_runtime_set_autosuspend_delay(&udev->dev,
DEFAULT_AUTOSUSPEND_DELAY);
+ ret = lan78xx_phy_init(dev);
+ if (ret < 0)
+ goto out4;
+
return 0;
+out4:
+ unregister_netdev(netdev);
out3:
lan78xx_unbind(dev, intf);
out2:
@@ -4007,7 +4019,7 @@
lan78xx_reset(dev);
- lan78xx_phy_init(dev);
+ phy_start(dev->net->phydev);
return lan78xx_resume(intf);
}
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e522085..8e06f30 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1184,6 +1184,7 @@
{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(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */
{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 */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index d51d9ab..aa88b64 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1793,7 +1793,7 @@
tx_data += len;
agg->skb_len += len;
- agg->skb_num++;
+ agg->skb_num += skb_shinfo(skb)->gso_segs ?: 1;
dev_kfree_skb_any(skb);
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index d0a1137..7a6a1fe 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -954,10 +954,11 @@
/* it's racing here! */
ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
- if (ret < 0)
+ if (ret < 0) {
netdev_warn(dev->net, "Error writing RFE_CTL\n");
-
- return ret;
+ return ret;
+ }
+ return 0;
}
static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index bb15b30..9486113 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -513,7 +513,7 @@
void *orig_data;
u32 act;
- if (unlikely(hdr->hdr.gso_type || hdr->hdr.flags))
+ if (unlikely(hdr->hdr.gso_type))
goto err_xdp;
if (unlikely(xdp_headroom < virtnet_get_headroom(vi))) {
@@ -2655,8 +2655,8 @@
/* Assume link up if device can't report link status,
otherwise get link status from config. */
+ netif_carrier_off(dev);
if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) {
- netif_carrier_off(dev);
schedule_work(&vi->config_work);
} else {
vi->status = VIRTIO_NET_S_LINK_UP;
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index c177221..df11bb4 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -7059,10 +7059,20 @@
{
struct ath10k *ar = hw->priv;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_peer *peer;
u32 bw, smps;
spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr);
+ if (!peer) {
+ spin_unlock_bh(&ar->data_lock);
+ ath10k_warn(ar, "mac sta rc update failed to find peer %pM on vdev %i\n",
+ sta->addr, arvif->vdev_id);
+ return;
+ }
+
ath10k_dbg(ar, ATH10K_DBG_MAC,
"mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n",
sta->addr, changed, sta->bandwidth, sta->rx_nss,
@@ -7810,6 +7820,7 @@
.max_interfaces = 8,
.num_different_channels = 1,
.beacon_int_infra_match = true,
+ .beacon_int_min_gcd = 1,
#ifdef CONFIG_ATH10K_DFS_CERTIFIED
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
@@ -7933,6 +7944,7 @@
.max_interfaces = 16,
.num_different_channels = 1,
.beacon_int_infra_match = true,
+ .beacon_int_min_gcd = 1,
#ifdef CONFIG_ATH10K_DFS_CERTIFIED
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index 5e77fe1..a41bcbd 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -479,14 +479,16 @@
{
int i = 0;
int ret = 0;
+ struct rchan_buf *buf;
struct rchan *rc = spec_priv->rfs_chan_spec_scan;
- for_each_online_cpu(i)
- ret += relay_buf_full(*per_cpu_ptr(rc->buf, i));
+ for_each_possible_cpu(i) {
+ if ((buf = *per_cpu_ptr(rc->buf, i))) {
+ ret += relay_buf_full(buf);
+ }
+ }
- i = num_online_cpus();
-
- if (ret == i)
+ if (ret)
return 1;
else
return 0;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 624ecd1..0d63555 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6916,7 +6916,7 @@
return;
/* ignore non-ISO3166 country codes */
- for (i = 0; i < sizeof(req->alpha2); i++)
+ for (i = 0; i < 2; i++)
if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
brcmf_err("not an ISO3166 code (0x%02x 0x%02x)\n",
req->alpha2[0], req->alpha2[1]);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h
index 3721a3e..f824beb 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h
@@ -211,7 +211,7 @@
* @TE_V2_NOTIF_HOST_FRAG_END:request/receive notification on frag end
* @TE_V2_NOTIF_INTERNAL_FRAG_START: internal FW use.
* @TE_V2_NOTIF_INTERNAL_FRAG_END: internal FW use.
- * @T2_V2_START_IMMEDIATELY: start time event immediately
+ * @TE_V2_START_IMMEDIATELY: start time event immediately
* @TE_V2_DEP_OTHER: depends on another time event
* @TE_V2_DEP_TSF: depends on a specific time
* @TE_V2_EVENT_SOCIOPATHIC: can't co-exist with other events of tha same MAC
@@ -230,7 +230,7 @@
TE_V2_NOTIF_HOST_FRAG_END = BIT(5),
TE_V2_NOTIF_INTERNAL_FRAG_START = BIT(6),
TE_V2_NOTIF_INTERNAL_FRAG_END = BIT(7),
- T2_V2_START_IMMEDIATELY = BIT(11),
+ TE_V2_START_IMMEDIATELY = BIT(11),
/* placement characteristics */
TE_V2_DEP_OTHER = BIT(TE_V2_PLACEMENT_POS),
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index f5dd7d8..2fa7ec4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -8,6 +8,7 @@
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -33,6 +34,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -928,7 +930,6 @@
out:
iwl_fw_free_dump_desc(fwrt);
- fwrt->dump.trig = NULL;
clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status);
}
IWL_EXPORT_SYMBOL(iwl_fw_error_dump);
@@ -1084,6 +1085,14 @@
fwrt->ops->dump_start(fwrt->ops_ctx))
return;
+ if (fwrt->ops && fwrt->ops->fw_running &&
+ !fwrt->ops->fw_running(fwrt->ops_ctx)) {
+ IWL_ERR(fwrt, "Firmware not running - cannot dump error\n");
+ iwl_fw_free_dump_desc(fwrt);
+ clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status);
+ goto out;
+ }
+
if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
/* stop recording */
iwl_fw_dbg_stop_recording(fwrt);
@@ -1117,7 +1126,7 @@
iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, out_ctrl);
}
}
-
+out:
if (fwrt->ops && fwrt->ops->dump_end)
fwrt->ops->dump_end(fwrt->ops_ctx);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
index 223fb77..72259bff 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
@@ -8,6 +8,7 @@
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -33,6 +34,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -91,6 +93,7 @@
if (fwrt->dump.desc != &iwl_dump_desc_assert)
kfree(fwrt->dump.desc);
fwrt->dump.desc = NULL;
+ fwrt->dump.trig = NULL;
}
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
index 50cfb6d..fb1ad3c 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
@@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -26,6 +27,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -68,6 +70,7 @@
struct iwl_fw_runtime_ops {
int (*dump_start)(void *ctx);
void (*dump_end)(void *ctx);
+ bool (*fw_running)(void *ctx);
};
#define MAX_NUM_LMAC 2
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index e97904c..7149961 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -1209,9 +1211,6 @@
{
int ret;
- if (!iwl_mvm_firmware_running(mvm))
- return -EIO;
-
ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
if (ret)
return ret;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index 2f22e14..8ba16fc 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -438,7 +438,8 @@
}
/* Allocate the CAB queue for softAP and GO interfaces */
- if (vif->type == NL80211_IFTYPE_AP) {
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_ADHOC) {
/*
* For TVQM this will be overwritten later with the FW assigned
* queue value (when queue is enabled).
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index a9ac872..db1fab9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -2127,15 +2128,40 @@
if (ret)
goto out_remove;
- ret = iwl_mvm_add_mcast_sta(mvm, vif);
- if (ret)
- goto out_unbind;
-
- /* Send the bcast station. At this stage the TBTT and DTIM time events
- * are added and applied to the scheduler */
- ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
- if (ret)
- goto out_rm_mcast;
+ /*
+ * This is not very nice, but the simplest:
+ * For older FWs adding the mcast sta before the bcast station may
+ * cause assert 0x2b00.
+ * This is fixed in later FW so make the order of removal depend on
+ * the TLV
+ */
+ if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) {
+ ret = iwl_mvm_add_mcast_sta(mvm, vif);
+ if (ret)
+ goto out_unbind;
+ /*
+ * Send the bcast station. At this stage the TBTT and DTIM time
+ * events are added and applied to the scheduler
+ */
+ ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
+ if (ret) {
+ iwl_mvm_rm_mcast_sta(mvm, vif);
+ goto out_unbind;
+ }
+ } else {
+ /*
+ * Send the bcast station. At this stage the TBTT and DTIM time
+ * events are added and applied to the scheduler
+ */
+ ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
+ if (ret)
+ goto out_unbind;
+ ret = iwl_mvm_add_mcast_sta(mvm, vif);
+ if (ret) {
+ iwl_mvm_send_rm_bcast_sta(mvm, vif);
+ goto out_unbind;
+ }
+ }
/* must be set before quota calculations */
mvmvif->ap_ibss_active = true;
@@ -2165,7 +2191,6 @@
iwl_mvm_power_update_mac(mvm);
mvmvif->ap_ibss_active = false;
iwl_mvm_send_rm_bcast_sta(mvm, vif);
-out_rm_mcast:
iwl_mvm_rm_mcast_sta(mvm, vif);
out_unbind:
iwl_mvm_binding_remove_vif(mvm, vif);
@@ -2703,6 +2728,10 @@
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
+
+ iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+ false);
+
ret = 0;
} else if (old_state == IEEE80211_STA_AUTHORIZED &&
new_state == IEEE80211_STA_ASSOC) {
@@ -3468,6 +3497,7 @@
ret = 0;
goto out;
case NL80211_IFTYPE_STATION:
+ mvmvif->csa_bcn_pending = false;
break;
case NL80211_IFTYPE_MONITOR:
/* always disable PS when a monitor interface is active */
@@ -3511,7 +3541,7 @@
}
if (switching_chanctx && vif->type == NL80211_IFTYPE_STATION) {
- u32 duration = 2 * vif->bss_conf.beacon_int;
+ u32 duration = 3 * vif->bss_conf.beacon_int;
/* iwl_mvm_protect_session() reads directly from the
* device (the system time), so make sure it is
@@ -3524,6 +3554,7 @@
/* Protect the session to make sure we hear the first
* beacon on the new channel.
*/
+ mvmvif->csa_bcn_pending = true;
iwl_mvm_protect_session(mvm, vif, duration, duration,
vif->bss_conf.beacon_int / 2,
true);
@@ -3967,6 +3998,7 @@
if (vif->type == NL80211_IFTYPE_STATION) {
struct iwl_mvm_sta *mvmsta;
+ mvmvif->csa_bcn_pending = false;
mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
mvmvif->ap_sta_id);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 2ec27ce..736c176 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -434,6 +434,9 @@
bool csa_failed;
u16 csa_target_freq;
+ /* Indicates that we are waiting for a beacon on a new channel */
+ bool csa_bcn_pending;
+
/* TCP Checksum Offload */
netdev_features_t features;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 9fb4095..54f411b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -35,6 +36,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -553,9 +555,15 @@
iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT);
}
+static bool iwl_mvm_fwrt_fw_running(void *ctx)
+{
+ return iwl_mvm_firmware_running(ctx);
+}
+
static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
.dump_start = iwl_mvm_fwrt_dump_start,
.dump_end = iwl_mvm_fwrt_dump_end,
+ .fw_running = iwl_mvm_fwrt_fw_running,
};
static struct iwl_op_mode *
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index d22cef7..386fdee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -2690,7 +2690,8 @@
struct ieee80211_sta *sta,
struct iwl_lq_sta *lq_sta,
enum nl80211_band band,
- struct rs_rate *rate)
+ struct rs_rate *rate,
+ bool init)
{
int i, nentries;
unsigned long active_rate;
@@ -2744,14 +2745,25 @@
*/
if (sta->vht_cap.vht_supported &&
best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) {
- switch (sta->bandwidth) {
- case IEEE80211_STA_RX_BW_160:
- case IEEE80211_STA_RX_BW_80:
- case IEEE80211_STA_RX_BW_40:
+ /*
+ * In AP mode, when a new station associates, rs is initialized
+ * immediately upon association completion, before the phy
+ * context is updated with the association parameters, so the
+ * sta bandwidth might be wider than the phy context allows.
+ * To avoid this issue, always initialize rs with 20mhz
+ * bandwidth rate, and after authorization, when the phy context
+ * is already up-to-date, re-init rs with the correct bw.
+ */
+ u32 bw = init ? RATE_MCS_CHAN_WIDTH_20 : rs_bw_from_sta_bw(sta);
+
+ switch (bw) {
+ case RATE_MCS_CHAN_WIDTH_40:
+ case RATE_MCS_CHAN_WIDTH_80:
+ case RATE_MCS_CHAN_WIDTH_160:
initial_rates = rs_optimal_rates_vht;
nentries = ARRAY_SIZE(rs_optimal_rates_vht);
break;
- case IEEE80211_STA_RX_BW_20:
+ case RATE_MCS_CHAN_WIDTH_20:
initial_rates = rs_optimal_rates_vht_20mhz;
nentries = ARRAY_SIZE(rs_optimal_rates_vht_20mhz);
break;
@@ -2762,7 +2774,7 @@
active_rate = lq_sta->active_siso_rate;
rate->type = LQ_VHT_SISO;
- rate->bw = rs_bw_from_sta_bw(sta);
+ rate->bw = bw;
} else if (sta->ht_cap.ht_supported &&
best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) {
initial_rates = rs_optimal_rates_ht;
@@ -2844,7 +2856,7 @@
tbl = &(lq_sta->lq_info[active_tbl]);
rate = &tbl->rate;
- rs_get_initial_rate(mvm, sta, lq_sta, band, rate);
+ rs_get_initial_rate(mvm, sta, lq_sta, band, rate, init);
rs_init_optimal_rate(mvm, sta, lq_sta);
WARN_ONCE(rate->ant != ANT_A && rate->ant != ANT_B,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 819e6f6..e2196dc 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -71,6 +71,7 @@
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb);
struct iwl_mvm_key_pn *ptk_pn;
+ int res;
u8 tid, keyidx;
u8 pn[IEEE80211_CCMP_PN_LEN];
u8 *extiv;
@@ -127,12 +128,13 @@
pn[4] = extiv[1];
pn[5] = extiv[0];
- if (memcmp(pn, ptk_pn->q[queue].pn[tid],
- IEEE80211_CCMP_PN_LEN) <= 0)
+ res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN);
+ if (res < 0)
+ return -1;
+ if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN))
return -1;
- if (!(stats->flag & RX_FLAG_AMSDU_MORE))
- memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
+ memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN);
stats->flag |= RX_FLAG_PN_VALIDATED;
return 0;
@@ -310,28 +312,21 @@
}
/*
- * returns true if a packet outside BA session is a duplicate and
- * should be dropped
+ * returns true if a packet is a duplicate and should be dropped.
+ * Updates AMSDU PN tracking info
*/
-static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue,
- struct ieee80211_rx_status *rx_status,
- struct ieee80211_hdr *hdr,
- struct iwl_rx_mpdu_desc *desc)
+static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_hdr *hdr,
+ struct iwl_rx_mpdu_desc *desc)
{
struct iwl_mvm_sta *mvm_sta;
struct iwl_mvm_rxq_dup_data *dup_data;
- u8 baid, tid, sub_frame_idx;
+ u8 tid, sub_frame_idx;
if (WARN_ON(IS_ERR_OR_NULL(sta)))
return false;
- baid = (le32_to_cpu(desc->reorder_data) &
- IWL_RX_MPDU_REORDER_BAID_MASK) >>
- IWL_RX_MPDU_REORDER_BAID_SHIFT;
-
- if (baid != IWL_RX_REORDER_DATA_INVALID_BAID)
- return false;
-
mvm_sta = iwl_mvm_sta_from_mac80211(sta);
dup_data = &mvm_sta->dup_data[queue];
@@ -361,6 +356,12 @@
dup_data->last_sub_frame[tid] >= sub_frame_idx))
return true;
+ /* Allow same PN as the first subframe for following sub frames */
+ if (dup_data->last_seq[tid] == hdr->seq_ctrl &&
+ sub_frame_idx > dup_data->last_sub_frame[tid] &&
+ desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU)
+ rx_status->flag |= RX_FLAG_ALLOW_SAME_PN;
+
dup_data->last_seq[tid] = hdr->seq_ctrl;
dup_data->last_sub_frame[tid] = sub_frame_idx;
@@ -929,7 +930,7 @@
if (ieee80211_is_data(hdr->frame_control))
iwl_mvm_rx_csum(sta, skb, desc);
- if (iwl_mvm_is_nonagg_dup(sta, queue, rx_status, hdr, desc)) {
+ if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) {
kfree_skb(skb);
goto out;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 0d79297..d31d84e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1679,7 +1679,8 @@
u32 qmask, enum nl80211_iftype iftype,
enum iwl_sta_type type)
{
- if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
+ sta->sta_id == IWL_MVM_INVALID_STA) {
sta->sta_id = iwl_mvm_find_free_sta_id(mvm, iftype);
if (WARN_ON_ONCE(sta->sta_id == IWL_MVM_INVALID_STA))
return -ENOSPC;
@@ -2023,7 +2024,7 @@
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = IWL_MVM_TX_FIFO_MCAST,
.sta_id = msta->sta_id,
- .tid = IWL_MAX_TID_COUNT,
+ .tid = 0,
.aggregate = false,
.frame_limit = IWL_FRAME_LIMIT,
};
@@ -2037,6 +2038,17 @@
return -ENOTSUPP;
/*
+ * In IBSS, ieee80211_check_queues() sets the cab_queue to be
+ * invalid, so make sure we use the queue we want.
+ * Note that this is done here as we want to avoid making DQA
+ * changes in mac80211 layer.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC) {
+ vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE;
+ mvmvif->cab_queue = vif->cab_queue;
+ }
+
+ /*
* While in previous FWs we had to exclude cab queue from TFD queue
* mask, now it is needed as any other queue.
*/
@@ -2063,24 +2075,13 @@
if (iwl_mvm_has_new_tx_api(mvm)) {
int queue = iwl_mvm_tvqm_enable_txq(mvm, vif->cab_queue,
msta->sta_id,
- IWL_MAX_TID_COUNT,
+ 0,
timeout);
mvmvif->cab_queue = queue;
} else if (!fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_STA_TYPE)) {
- /*
- * In IBSS, ieee80211_check_queues() sets the cab_queue to be
- * invalid, so make sure we use the queue we want.
- * Note that this is done here as we want to avoid making DQA
- * changes in mac80211 layer.
- */
- if (vif->type == NL80211_IFTYPE_ADHOC) {
- vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE;
- mvmvif->cab_queue = vif->cab_queue;
- }
+ IWL_UCODE_TLV_API_STA_TYPE))
iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0,
&cfg, timeout);
- }
return 0;
}
@@ -2099,7 +2100,7 @@
iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0);
iwl_mvm_disable_txq(mvm, mvmvif->cab_queue, vif->cab_queue,
- IWL_MAX_TID_COUNT, 0);
+ 0, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id);
if (ret)
@@ -2435,28 +2436,12 @@
/*
* Note the possible cases:
- * 1. In DQA mode with an enabled TXQ - TXQ needs to become agg'ed
- * 2. Non-DQA mode: the TXQ hasn't yet been enabled, so find a free
- * one and mark it as reserved
- * 3. In DQA mode, but no traffic yet on this TID: same treatment as in
- * non-DQA mode, since the TXQ hasn't yet been allocated
- * Don't support case 3 for new TX path as it is not expected to happen
- * and aggregation will be offloaded soon anyway
+ * 1. An enabled TXQ - TXQ needs to become agg'ed
+ * 2. The TXQ hasn't yet been enabled, so find a free one and mark
+ * it as reserved
*/
txq_id = mvmsta->tid_data[tid].txq_id;
- if (iwl_mvm_has_new_tx_api(mvm)) {
- if (txq_id == IWL_MVM_INVALID_QUEUE) {
- ret = -ENXIO;
- goto release_locks;
- }
- } else if (unlikely(mvm->queue_info[txq_id].status ==
- IWL_MVM_QUEUE_SHARED)) {
- ret = -ENXIO;
- IWL_DEBUG_TX_QUEUES(mvm,
- "Can't start tid %d agg on shared queue!\n",
- tid);
- goto release_locks;
- } else if (mvm->queue_info[txq_id].status != IWL_MVM_QUEUE_READY) {
+ if (txq_id == IWL_MVM_INVALID_QUEUE) {
txq_id = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
IWL_MVM_DQA_MIN_DATA_QUEUE,
IWL_MVM_DQA_MAX_DATA_QUEUE);
@@ -2465,16 +2450,16 @@
IWL_ERR(mvm, "Failed to allocate agg queue\n");
goto release_locks;
}
- /*
- * TXQ shouldn't be in inactive mode for non-DQA, so getting
- * an inactive queue from iwl_mvm_find_free_queue() is
- * certainly a bug
- */
- WARN_ON(mvm->queue_info[txq_id].status ==
- IWL_MVM_QUEUE_INACTIVE);
/* TXQ hasn't yet been enabled, so mark it only as reserved */
mvm->queue_info[txq_id].status = IWL_MVM_QUEUE_RESERVED;
+ } else if (unlikely(mvm->queue_info[txq_id].status ==
+ IWL_MVM_QUEUE_SHARED)) {
+ ret = -ENXIO;
+ IWL_DEBUG_TX_QUEUES(mvm,
+ "Can't start tid %d agg on shared queue!\n",
+ tid);
+ goto release_locks;
}
spin_unlock(&mvm->queue_info_lock);
@@ -2645,8 +2630,10 @@
static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm,
struct iwl_mvm_sta *mvmsta,
- u16 txq_id)
+ struct iwl_mvm_tid_data *tid_data)
{
+ u16 txq_id = tid_data->txq_id;
+
if (iwl_mvm_has_new_tx_api(mvm))
return;
@@ -2658,8 +2645,10 @@
* allocated through iwl_mvm_enable_txq, so we can just mark it back as
* free.
*/
- if (mvm->queue_info[txq_id].status == IWL_MVM_QUEUE_RESERVED)
+ if (mvm->queue_info[txq_id].status == IWL_MVM_QUEUE_RESERVED) {
mvm->queue_info[txq_id].status = IWL_MVM_QUEUE_FREE;
+ tid_data->txq_id = IWL_MVM_INVALID_QUEUE;
+ }
spin_unlock_bh(&mvm->queue_info_lock);
}
@@ -2690,7 +2679,7 @@
mvmsta->agg_tids &= ~BIT(tid);
- iwl_mvm_unreserve_agg_queue(mvm, mvmsta, txq_id);
+ iwl_mvm_unreserve_agg_queue(mvm, mvmsta, tid_data);
switch (tid_data->state) {
case IWL_AGG_ON:
@@ -2757,7 +2746,7 @@
mvmsta->agg_tids &= ~BIT(tid);
spin_unlock_bh(&mvmsta->lock);
- iwl_mvm_unreserve_agg_queue(mvm, mvmsta, txq_id);
+ iwl_mvm_unreserve_agg_queue(mvm, mvmsta, tid_data);
if (old_state >= IWL_AGG_ON) {
iwl_mvm_drain_sta(mvm, mvmsta, true);
@@ -3119,8 +3108,9 @@
int ret, size;
u32 status;
+ /* This is a valid situation for GTK removal */
if (sta_id == IWL_MVM_INVALID_STA)
- return -EINVAL;
+ return 0;
key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) &
STA_KEY_FLG_KEYID_MSK);
@@ -3181,17 +3171,9 @@
}
sta_id = mvm_sta->sta_id;
- if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) {
- ret = iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id,
- false);
- goto end;
- }
-
/*
* It is possible that the 'sta' parameter is NULL, and thus
- * there is a need to retrieve the sta from the local station
+ * there is a need to retrieve the sta from the local station
* table.
*/
if (!sta) {
@@ -3206,6 +3188,17 @@
if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif))
return -EINVAL;
+ } else {
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ sta_id = mvmvif->mcast_sta.sta_id;
+ }
+
+ if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
+ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) {
+ ret = iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, false);
+ goto end;
}
/* If the key_offset is not pre-assigned, we need to find a
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
index e25cda9..342ca17 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
@@ -8,6 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -18,11 +19,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
@@ -35,6 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -203,9 +200,13 @@
struct ieee80211_vif *vif,
const char *errmsg)
{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
if (vif->type != NL80211_IFTYPE_STATION)
return false;
- if (vif->bss_conf.assoc && vif->bss_conf.dtim_period)
+
+ if (!mvmvif->csa_bcn_pending && vif->bss_conf.assoc &&
+ vif->bss_conf.dtim_period)
return false;
if (errmsg)
IWL_ERR(mvm, "%s\n", errmsg);
@@ -349,7 +350,7 @@
* and know the dtim period.
*/
iwl_mvm_te_check_disconnect(mvm, te_data->vif,
- "No association and the time event is over already...");
+ "No beacon heard and the time event is over already...");
break;
default:
break;
@@ -621,7 +622,7 @@
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_NOTIF_HOST_EVENT_END |
- T2_V2_START_IMMEDIATELY);
+ TE_V2_START_IMMEDIATELY);
if (!wait_for_notif) {
iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
@@ -814,7 +815,7 @@
time_cmd.repeat = 1;
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_NOTIF_HOST_EVENT_END |
- T2_V2_START_IMMEDIATELY);
+ TE_V2_START_IMMEDIATELY);
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}
@@ -924,6 +925,8 @@
time_cmd.interval = cpu_to_le32(1);
time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START |
TE_V2_ABSENCE);
+ if (!apply_time)
+ time_cmd.policy |= cpu_to_le16(TE_V2_START_IMMEDIATELY);
return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 887a504..6c014c2 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -419,11 +419,11 @@
{
struct ieee80211_key_conf *keyconf = info->control.hw_key;
u8 *crypto_hdr = skb_frag->data + hdrlen;
+ enum iwl_tx_cmd_sec_ctrl type = TX_CMD_SEC_CCM;
u64 pn;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_CCMP:
- case WLAN_CIPHER_SUITE_CCMP_256:
iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd);
iwl_mvm_set_tx_cmd_pn(info, crypto_hdr);
break;
@@ -447,13 +447,16 @@
break;
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
+ type = TX_CMD_SEC_GCMP;
+ /* Fall through */
+ case WLAN_CIPHER_SUITE_CCMP_256:
/* TODO: Taking the key from the table might introduce a race
* when PTK rekeying is done, having an old packets with a PN
* based on the old key but the message encrypted with a new
* one.
* Need to handle this.
*/
- tx_cmd->sec_ctl |= TX_CMD_SEC_GCMP | TX_CMD_SEC_KEY_FROM_TABLE;
+ tx_cmd->sec_ctl |= type | TX_CMD_SEC_KEY_FROM_TABLE;
tx_cmd->key[0] = keyconf->hw_key_idx;
iwl_mvm_set_tx_cmd_pn(info, crypto_hdr);
break;
@@ -645,7 +648,11 @@
if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE ||
info.control.vif->type == NL80211_IFTYPE_AP ||
info.control.vif->type == NL80211_IFTYPE_ADHOC) {
- sta_id = mvmvif->bcast_sta.sta_id;
+ if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE)
+ sta_id = mvmvif->bcast_sta.sta_id;
+ else
+ sta_id = mvmvif->mcast_sta.sta_id;
+
queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info,
hdr->frame_control);
if (queue < 0)
@@ -1872,14 +1879,12 @@
struct iwl_mvm_int_sta *int_sta = sta;
struct iwl_mvm_sta *mvm_sta = sta;
- if (iwl_mvm_has_new_tx_api(mvm)) {
- if (internal)
- return iwl_mvm_flush_sta_tids(mvm, int_sta->sta_id,
- BIT(IWL_MGMT_TID), flags);
+ BUILD_BUG_ON(offsetof(struct iwl_mvm_int_sta, sta_id) !=
+ offsetof(struct iwl_mvm_sta, sta_id));
+ if (iwl_mvm_has_new_tx_api(mvm))
return iwl_mvm_flush_sta_tids(mvm, mvm_sta->sta_id,
- 0xFF, flags);
- }
+ 0xff | BIT(IWL_MGMT_TID), flags);
if (internal)
return iwl_mvm_flush_tx_path(mvm, int_sta->tfd_queue_msk,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 43ab172..d2cada0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -810,12 +810,19 @@
.scd_queue = queue,
.action = SCD_CFG_DISABLE_QUEUE,
};
- bool remove_mac_queue = true;
+ bool remove_mac_queue = mac80211_queue != IEEE80211_INVAL_HW_QUEUE;
int ret;
+ if (WARN_ON(remove_mac_queue && mac80211_queue >= IEEE80211_MAX_QUEUES))
+ return -EINVAL;
+
if (iwl_mvm_has_new_tx_api(mvm)) {
spin_lock_bh(&mvm->queue_info_lock);
- mvm->hw_queue_to_mac80211[queue] &= ~BIT(mac80211_queue);
+
+ if (remove_mac_queue)
+ mvm->hw_queue_to_mac80211[queue] &=
+ ~BIT(mac80211_queue);
+
spin_unlock_bh(&mvm->queue_info_lock);
iwl_trans_txq_free(mvm->trans, queue);
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index 8d3a483..370161c 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -636,11 +636,14 @@
u32 *read_buf, u16 size)
{
u32 addr_on_bus, *data;
- u32 align[2] = {};
u16 ms_addr;
int status;
- data = PTR_ALIGN(&align[0], 8);
+ data = kzalloc(RSI_MASTER_REG_BUF_SIZE, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data = PTR_ALIGN(data, 8);
ms_addr = (addr >> 16);
status = rsi_sdio_master_access_msword(adapter, ms_addr);
@@ -648,7 +651,7 @@
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word to common reg\n",
__func__);
- return status;
+ goto err;
}
addr &= 0xFFFF;
@@ -666,7 +669,7 @@
(u8 *)data, 4);
if (status < 0) {
rsi_dbg(ERR_ZONE, "%s: AHB register read failed\n", __func__);
- return status;
+ goto err;
}
if (size == 2) {
if ((addr & 0x3) == 0)
@@ -688,17 +691,23 @@
*read_buf = *data;
}
- return 0;
+err:
+ kfree(data);
+ return status;
}
static int rsi_sdio_master_reg_write(struct rsi_hw *adapter,
unsigned long addr,
unsigned long data, u16 size)
{
- unsigned long data1[2], *data_aligned;
+ unsigned long *data_aligned;
int status;
- data_aligned = PTR_ALIGN(&data1[0], 8);
+ data_aligned = kzalloc(RSI_MASTER_REG_BUF_SIZE, GFP_KERNEL);
+ if (!data_aligned)
+ return -ENOMEM;
+
+ data_aligned = PTR_ALIGN(data_aligned, 8);
if (size == 2) {
*data_aligned = ((data << 16) | (data & 0xFFFF));
@@ -717,6 +726,7 @@
rsi_dbg(ERR_ZONE,
"%s: Unable to set ms word to common reg\n",
__func__);
+ kfree(data_aligned);
return -EIO;
}
addr = addr & 0xFFFF;
@@ -726,12 +736,12 @@
(adapter,
(addr | RSI_SD_REQUEST_MASTER),
(u8 *)data_aligned, size);
- if (status < 0) {
+ if (status < 0)
rsi_dbg(ERR_ZONE,
"%s: Unable to do AHB reg write\n", __func__);
- return status;
- }
- return 0;
+
+ kfree(data_aligned);
+ return status;
}
/**
diff --git a/drivers/net/wireless/rsi/rsi_sdio.h b/drivers/net/wireless/rsi/rsi_sdio.h
index 95e4bed..9033920 100644
--- a/drivers/net/wireless/rsi/rsi_sdio.h
+++ b/drivers/net/wireless/rsi/rsi_sdio.h
@@ -46,6 +46,8 @@
#define PKT_BUFF_AVAILABLE 1
#define FW_ASSERT_IND 2
+#define RSI_MASTER_REG_BUF_SIZE 12
+
#define RSI_DEVICE_BUFFER_STATUS_REGISTER 0xf3
#define RSI_FN1_INT_REGISTER 0xf9
#define RSI_SD_REQUEST_MASTER 0x10000
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 8cd4254..740aae5 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -606,8 +606,10 @@
opts->discovery_nqn =
!(strcmp(opts->subsysnqn,
NVME_DISC_SUBSYS_NAME));
- if (opts->discovery_nqn)
+ if (opts->discovery_nqn) {
+ opts->kato = 0;
opts->nr_io_queues = 0;
+ }
break;
case NVMF_OPT_TRADDR:
p = match_strdup(args);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index eab1740..3d4724e 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1013,12 +1013,6 @@
if (!(csts & NVME_CSTS_CFS) && !nssro)
return false;
- /* If PCI error recovery process is happening, we cannot reset or
- * the recovery mechanism will surely fail.
- */
- if (pci_channel_offline(to_pci_dev(dev->dev)))
- return false;
-
return true;
}
@@ -1049,6 +1043,13 @@
struct nvme_command cmd;
u32 csts = readl(dev->bar + NVME_REG_CSTS);
+ /* If PCI error recovery process is happening, we cannot reset or
+ * the recovery mechanism will surely fail.
+ */
+ mb();
+ if (pci_channel_offline(to_pci_dev(dev->dev)))
+ return BLK_EH_RESET_TIMER;
+
/*
* Reset immediately if the controller is failed
*/
@@ -1322,7 +1323,7 @@
nvmeq->cq_vector = qid - 1;
result = adapter_alloc_cq(dev, qid, nvmeq);
if (result < 0)
- return result;
+ goto release_vector;
result = adapter_alloc_sq(dev, qid, nvmeq);
if (result < 0)
@@ -1336,9 +1337,12 @@
return result;
release_sq:
+ dev->online_queues--;
adapter_delete_sq(dev, qid);
release_cq:
adapter_delete_cq(dev, qid);
+ release_vector:
+ nvmeq->cq_vector = -1;
return result;
}
@@ -1766,7 +1770,7 @@
int result, nr_io_queues;
unsigned long size;
- nr_io_queues = num_present_cpus();
+ nr_io_queues = num_possible_cpus();
result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);
if (result < 0)
return result;
@@ -2310,10 +2314,13 @@
} else if (pdev->vendor == 0x144d && pdev->device == 0xa804) {
/*
* Samsung SSD 960 EVO drops off the PCIe bus after system
- * suspend on a Ryzen board, ASUS PRIME B350M-A.
+ * suspend on a Ryzen board, ASUS PRIME B350M-A, as well as
+ * within few minutes after bootup on a Coffee Lake board -
+ * ASUS PRIME Z370-A
*/
if (dmi_match(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC.") &&
- dmi_match(DMI_BOARD_NAME, "PRIME B350M-A"))
+ (dmi_match(DMI_BOARD_NAME, "PRIME B350M-A") ||
+ dmi_match(DMI_BOARD_NAME, "PRIME Z370-A")))
return NVME_QUIRK_NO_APST;
}
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 645ba7e..240b0d6 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -505,9 +505,12 @@
goto fail;
}
- /* either variant of SGLs is fine, as we don't support metadata */
- if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF &&
- (flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METASEG)) {
+ /*
+ * For fabrics, PSDT field shall describe metadata pointer (MPTR) that
+ * contains an address of a single contiguous physical buffer that is
+ * byte aligned.
+ */
+ if (unlikely((flags & NVME_CMD_SGL_ALL) != NVME_CMD_SGL_METABUF)) {
status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
goto fail;
}
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 41b740a..69bd984 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -1403,9 +1403,27 @@
WRITE_REG32(stat, d->hba.base_addr + LBA_ERROR_CONFIG);
}
- /* Set HF mode as the default (vs. -1 mode). */
+
+ /*
+ * Hard Fail vs. Soft Fail on PCI "Master Abort".
+ *
+ * "Master Abort" means the MMIO transaction timed out - usually due to
+ * the device not responding to an MMIO read. We would like HF to be
+ * enabled to find driver problems, though it means the system will
+ * crash with a HPMC.
+ *
+ * In SoftFail mode "~0L" is returned as a result of a timeout on the
+ * pci bus. This is like how PCI busses on x86 and most other
+ * architectures behave. In order to increase compatibility with
+ * existing (x86) PCI hardware and existing Linux drivers we enable
+ * Soft Faul mode on PA-RISC now too.
+ */
stat = READ_REG32(d->hba.base_addr + LBA_STAT_CTL);
+#if defined(ENABLE_HARDFAIL)
WRITE_REG32(stat | HF_ENABLE, d->hba.base_addr + LBA_STAT_CTL);
+#else
+ WRITE_REG32(stat & ~HF_ENABLE, d->hba.base_addr + LBA_STAT_CTL);
+#endif
/*
** Writing a zero to STAT_CTL.rf (bit 0) will clear reset signal
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index bb0927d..ea69b4d 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -1164,11 +1164,14 @@
int error;
/*
- * If pci_dev->driver is not set (unbound), the device should
- * always remain in D0 regardless of the runtime PM status
+ * If pci_dev->driver is not set (unbound), we leave the device in D0,
+ * but it may go to D3cold when the bridge above it runtime suspends.
+ * Save its config space in case that happens.
*/
- if (!pci_dev->driver)
+ if (!pci_dev->driver) {
+ pci_save_state(pci_dev);
return 0;
+ }
if (!pm || !pm->runtime_suspend)
return -ENOSYS;
@@ -1216,16 +1219,18 @@
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
/*
- * If pci_dev->driver is not set (unbound), the device should
- * always remain in D0 regardless of the runtime PM status
+ * Restoring config space is necessary even if the device is not bound
+ * to a driver because although we left it in D0, it may have gone to
+ * D3cold when the bridge above it runtime suspended.
*/
+ pci_restore_standard_config(pci_dev);
+
if (!pci_dev->driver)
return 0;
if (!pm || !pm->runtime_resume)
return -ENOSYS;
- pci_restore_standard_config(pci_dev);
pci_fixup_device(pci_fixup_resume_early, pci_dev);
pci_enable_wake(pci_dev, PCI_D0, false);
pci_fixup_device(pci_fixup_resume, pci_dev);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 116127a..929d68f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3896,6 +3896,9 @@
/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c46 */
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0,
quirk_dma_func1_alias);
+/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c127 */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9220,
+ quirk_dma_func1_alias);
/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230,
quirk_dma_func1_alias);
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index c3b615c..8c8caec 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -452,17 +452,20 @@
static int socket_suspend(struct pcmcia_socket *skt)
{
- if (skt->state & SOCKET_SUSPEND)
+ if ((skt->state & SOCKET_SUSPEND) && !(skt->state & SOCKET_IN_RESUME))
return -EBUSY;
mutex_lock(&skt->ops_mutex);
- skt->suspended_state = skt->state;
+ /* store state on first suspend, but not after spurious wakeups */
+ if (!(skt->state & SOCKET_IN_RESUME))
+ skt->suspended_state = skt->state;
skt->socket = dead_socket;
skt->ops->set_socket(skt, &skt->socket);
if (skt->ops->suspend)
skt->ops->suspend(skt);
skt->state |= SOCKET_SUSPEND;
+ skt->state &= ~SOCKET_IN_RESUME;
mutex_unlock(&skt->ops_mutex);
return 0;
}
@@ -475,6 +478,7 @@
skt->ops->set_socket(skt, &skt->socket);
if (skt->state & SOCKET_PRESENT)
skt->resume_status = socket_setup(skt, resume_delay);
+ skt->state |= SOCKET_IN_RESUME;
mutex_unlock(&skt->ops_mutex);
return 0;
}
@@ -484,7 +488,7 @@
int ret = 0;
mutex_lock(&skt->ops_mutex);
- skt->state &= ~SOCKET_SUSPEND;
+ skt->state &= ~(SOCKET_SUSPEND | SOCKET_IN_RESUME);
mutex_unlock(&skt->ops_mutex);
if (!(skt->state & SOCKET_PRESENT)) {
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index e86cd6b..384629c 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -70,6 +70,7 @@
/* Flags in socket state */
#define SOCKET_PRESENT 0x0008
#define SOCKET_INUSE 0x0010
+#define SOCKET_IN_RESUME 0x0040
#define SOCKET_SUSPEND 0x0080
#define SOCKET_WIN_REQ(i) (0x0100<<(i))
#define SOCKET_CARDBUS 0x8000
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index e17f035..2526971 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -751,8 +751,6 @@
struct qmp_phy *qphy = phy_get_drvdata(phy);
struct qcom_qmp *qmp = qphy->qmp;
- clk_disable_unprepare(qphy->pipe_clk);
-
regulator_bulk_disable(qmp->cfg->num_vregs, qmp->vregs);
return 0;
@@ -936,6 +934,8 @@
const struct qmp_phy_cfg *cfg = qmp->cfg;
int i = cfg->num_clks;
+ clk_disable_unprepare(qphy->pipe_clk);
+
/* PHY reset */
qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
diff --git a/drivers/phy/rockchip/phy-rockchip-emmc.c b/drivers/phy/rockchip/phy-rockchip-emmc.c
index f1b24f1..b0d1093 100644
--- a/drivers/phy/rockchip/phy-rockchip-emmc.c
+++ b/drivers/phy/rockchip/phy-rockchip-emmc.c
@@ -76,6 +76,10 @@
#define PHYCTRL_OTAPDLYSEL_MASK 0xf
#define PHYCTRL_OTAPDLYSEL_SHIFT 0x7
+#define PHYCTRL_IS_CALDONE(x) \
+ ((((x) >> PHYCTRL_CALDONE_SHIFT) & \
+ PHYCTRL_CALDONE_MASK) == PHYCTRL_CALDONE_DONE)
+
struct rockchip_emmc_phy {
unsigned int reg_offset;
struct regmap *reg_base;
@@ -90,6 +94,7 @@
unsigned int freqsel = PHYCTRL_FREQSEL_200M;
unsigned long rate;
unsigned long timeout;
+ int ret;
/*
* Keep phyctrl_pdb and phyctrl_endll low to allow
@@ -160,17 +165,19 @@
PHYCTRL_PDB_SHIFT));
/*
- * According to the user manual, it asks driver to
- * wait 5us for calpad busy trimming
+ * According to the user manual, it asks driver to wait 5us for
+ * calpad busy trimming. However it is documented that this value is
+ * PVT(A.K.A process,voltage and temperature) relevant, so some
+ * failure cases are found which indicates we should be more tolerant
+ * to calpad busy trimming.
*/
- udelay(5);
- regmap_read(rk_phy->reg_base,
- rk_phy->reg_offset + GRF_EMMCPHY_STATUS,
- &caldone);
- caldone = (caldone >> PHYCTRL_CALDONE_SHIFT) & PHYCTRL_CALDONE_MASK;
- if (caldone != PHYCTRL_CALDONE_DONE) {
- pr_err("rockchip_emmc_phy_power: caldone timeout.\n");
- return -ETIMEDOUT;
+ ret = regmap_read_poll_timeout(rk_phy->reg_base,
+ rk_phy->reg_offset + GRF_EMMCPHY_STATUS,
+ caldone, PHYCTRL_IS_CALDONE(caldone),
+ 0, 50);
+ if (ret) {
+ pr_err("%s: caldone failed, ret=%d\n", __func__, ret);
+ return ret;
}
/* Set the frequency of the DLL operation */
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 1ff6c3573..b601039 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -122,8 +122,10 @@
/* OK let's just assume this will appear later then */
return -EPROBE_DEFER;
}
- if (!pctldev)
- pctldev = get_pinctrl_dev_from_of_node(np_pctldev);
+ /* If we're creating a hog we can use the passed pctldev */
+ if (pctldev && (np_pctldev == p->dev->of_node))
+ break;
+ pctldev = get_pinctrl_dev_from_of_node(np_pctldev);
if (pctldev)
break;
/* Do not defer probing of hogs (circular loop) */
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index 447763a..db9cca4 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -779,6 +779,7 @@
{
int status, ret;
bool mirror = false;
+ struct regmap_config *one_regmap_config = NULL;
mutex_init(&mcp->lock);
@@ -799,22 +800,36 @@
switch (type) {
#ifdef CONFIG_SPI_MASTER
case MCP_TYPE_S08:
- mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp,
- &mcp23x08_regmap);
- mcp->reg_shift = 0;
- mcp->chip.ngpio = 8;
- mcp->chip.label = "mcp23s08";
- break;
-
case MCP_TYPE_S17:
+ switch (type) {
+ case MCP_TYPE_S08:
+ one_regmap_config =
+ devm_kmemdup(dev, &mcp23x08_regmap,
+ sizeof(struct regmap_config), GFP_KERNEL);
+ mcp->reg_shift = 0;
+ mcp->chip.ngpio = 8;
+ mcp->chip.label = "mcp23s08";
+ break;
+ case MCP_TYPE_S17:
+ one_regmap_config =
+ devm_kmemdup(dev, &mcp23x17_regmap,
+ sizeof(struct regmap_config), GFP_KERNEL);
+ mcp->reg_shift = 1;
+ mcp->chip.ngpio = 16;
+ mcp->chip.label = "mcp23s17";
+ break;
+ }
+ if (!one_regmap_config)
+ return -ENOMEM;
+
+ one_regmap_config->name = devm_kasprintf(dev, GFP_KERNEL, "%d", (addr & ~0x40) >> 1);
mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp,
- &mcp23x17_regmap);
- mcp->reg_shift = 1;
- mcp->chip.ngpio = 16;
- mcp->chip.label = "mcp23s17";
+ one_regmap_config);
break;
case MCP_TYPE_S18:
+ if (!one_regmap_config)
+ return -ENOMEM;
mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp,
&mcp23x17_regmap);
mcp->reg_shift = 1;
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index ff491da..19cd357 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -818,7 +818,7 @@
return -EINVAL;
chip = &pctrl->chip;
- chip->base = 0;
+ chip->base = -1;
chip->ngpio = ngpio;
chip->label = dev_name(pctrl->dev);
chip->parent = pctrl->dev;
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7796.c b/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
index 200e1f4..711333f 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
@@ -1,7 +1,7 @@
/*
* R8A7796 processor support - PFC hardware block.
*
- * Copyright (C) 2016 Renesas Electronics Corp.
+ * Copyright (C) 2016-2017 Renesas Electronics Corp.
*
* This file is based on the drivers/pinctrl/sh-pfc/pfc-r8a7795.c
*
@@ -477,7 +477,7 @@
#define MOD_SEL1_26 FM(SEL_TIMER_TMU_0) FM(SEL_TIMER_TMU_1)
#define MOD_SEL1_25_24 FM(SEL_SSP1_1_0) FM(SEL_SSP1_1_1) FM(SEL_SSP1_1_2) FM(SEL_SSP1_1_3)
#define MOD_SEL1_23_22_21 FM(SEL_SSP1_0_0) FM(SEL_SSP1_0_1) FM(SEL_SSP1_0_2) FM(SEL_SSP1_0_3) FM(SEL_SSP1_0_4) F_(0, 0) F_(0, 0) F_(0, 0)
-#define MOD_SEL1_20 FM(SEL_SSI_0) FM(SEL_SSI_1)
+#define MOD_SEL1_20 FM(SEL_SSI1_0) FM(SEL_SSI1_1)
#define MOD_SEL1_19 FM(SEL_SPEED_PULSE_0) FM(SEL_SPEED_PULSE_1)
#define MOD_SEL1_18_17 FM(SEL_SIMCARD_0) FM(SEL_SIMCARD_1) FM(SEL_SIMCARD_2) FM(SEL_SIMCARD_3)
#define MOD_SEL1_16 FM(SEL_SDHI2_0) FM(SEL_SDHI2_1)
@@ -1224,7 +1224,7 @@
PINMUX_IPSR_GPSR(IP13_11_8, HSCK0),
PINMUX_IPSR_MSEL(IP13_11_8, MSIOF1_SCK_D, SEL_MSIOF1_3),
PINMUX_IPSR_MSEL(IP13_11_8, AUDIO_CLKB_A, SEL_ADG_B_0),
- PINMUX_IPSR_MSEL(IP13_11_8, SSI_SDATA1_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP13_11_8, SSI_SDATA1_B, SEL_SSI1_1),
PINMUX_IPSR_MSEL(IP13_11_8, TS_SCK0_D, SEL_TSIF0_3),
PINMUX_IPSR_MSEL(IP13_11_8, STP_ISCLK_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_MSEL(IP13_11_8, RIF0_CLK_C, SEL_DRIF0_2),
@@ -1232,14 +1232,14 @@
PINMUX_IPSR_GPSR(IP13_15_12, HRX0),
PINMUX_IPSR_MSEL(IP13_15_12, MSIOF1_RXD_D, SEL_MSIOF1_3),
- PINMUX_IPSR_MSEL(IP13_15_12, SSI_SDATA2_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP13_15_12, SSI_SDATA2_B, SEL_SSI2_1),
PINMUX_IPSR_MSEL(IP13_15_12, TS_SDEN0_D, SEL_TSIF0_3),
PINMUX_IPSR_MSEL(IP13_15_12, STP_ISEN_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_MSEL(IP13_15_12, RIF0_D0_C, SEL_DRIF0_2),
PINMUX_IPSR_GPSR(IP13_19_16, HTX0),
PINMUX_IPSR_MSEL(IP13_19_16, MSIOF1_TXD_D, SEL_MSIOF1_3),
- PINMUX_IPSR_MSEL(IP13_19_16, SSI_SDATA9_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP13_19_16, SSI_SDATA9_B, SEL_SSI9_1),
PINMUX_IPSR_MSEL(IP13_19_16, TS_SDAT0_D, SEL_TSIF0_3),
PINMUX_IPSR_MSEL(IP13_19_16, STP_ISD_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_MSEL(IP13_19_16, RIF0_D1_C, SEL_DRIF0_2),
@@ -1247,7 +1247,7 @@
PINMUX_IPSR_GPSR(IP13_23_20, HCTS0_N),
PINMUX_IPSR_MSEL(IP13_23_20, RX2_B, SEL_SCIF2_1),
PINMUX_IPSR_MSEL(IP13_23_20, MSIOF1_SYNC_D, SEL_MSIOF1_3),
- PINMUX_IPSR_MSEL(IP13_23_20, SSI_SCK9_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP13_23_20, SSI_SCK9_A, SEL_SSI9_0),
PINMUX_IPSR_MSEL(IP13_23_20, TS_SPSYNC0_D, SEL_TSIF0_3),
PINMUX_IPSR_MSEL(IP13_23_20, STP_ISSYNC_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_MSEL(IP13_23_20, RIF0_SYNC_C, SEL_DRIF0_2),
@@ -1256,7 +1256,7 @@
PINMUX_IPSR_GPSR(IP13_27_24, HRTS0_N),
PINMUX_IPSR_MSEL(IP13_27_24, TX2_B, SEL_SCIF2_1),
PINMUX_IPSR_MSEL(IP13_27_24, MSIOF1_SS1_D, SEL_MSIOF1_3),
- PINMUX_IPSR_MSEL(IP13_27_24, SSI_WS9_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP13_27_24, SSI_WS9_A, SEL_SSI9_0),
PINMUX_IPSR_MSEL(IP13_27_24, STP_IVCXO27_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_MSEL(IP13_27_24, BPFCLK_A, SEL_FM_0),
PINMUX_IPSR_GPSR(IP13_27_24, AUDIO_CLKOUT2_A),
@@ -1271,7 +1271,7 @@
PINMUX_IPSR_MSEL(IP14_3_0, RX5_A, SEL_SCIF5_0),
PINMUX_IPSR_MSEL(IP14_3_0, NFWP_N_A, SEL_NDF_0),
PINMUX_IPSR_MSEL(IP14_3_0, AUDIO_CLKA_C, SEL_ADG_A_2),
- PINMUX_IPSR_MSEL(IP14_3_0, SSI_SCK2_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP14_3_0, SSI_SCK2_A, SEL_SSI2_0),
PINMUX_IPSR_MSEL(IP14_3_0, STP_IVCXO27_0_C, SEL_SSP1_0_2),
PINMUX_IPSR_GPSR(IP14_3_0, AUDIO_CLKOUT3_A),
PINMUX_IPSR_MSEL(IP14_3_0, TCLK1_B, SEL_TIMER_TMU_1),
@@ -1280,7 +1280,7 @@
PINMUX_IPSR_MSEL(IP14_7_4, TX5_A, SEL_SCIF5_0),
PINMUX_IPSR_MSEL(IP14_7_4, MSIOF1_SS2_D, SEL_MSIOF1_3),
PINMUX_IPSR_MSEL(IP14_7_4, AUDIO_CLKC_A, SEL_ADG_C_0),
- PINMUX_IPSR_MSEL(IP14_7_4, SSI_WS2_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP14_7_4, SSI_WS2_A, SEL_SSI2_0),
PINMUX_IPSR_MSEL(IP14_7_4, STP_OPWM_0_D, SEL_SSP1_0_3),
PINMUX_IPSR_GPSR(IP14_7_4, AUDIO_CLKOUT_D),
PINMUX_IPSR_MSEL(IP14_7_4, SPEEDIN_B, SEL_SPEED_PULSE_1),
@@ -1308,10 +1308,10 @@
PINMUX_IPSR_MSEL(IP14_31_28, MSIOF1_SS2_F, SEL_MSIOF1_5),
/* IPSR15 */
- PINMUX_IPSR_MSEL(IP15_3_0, SSI_SDATA1_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP15_3_0, SSI_SDATA1_A, SEL_SSI1_0),
- PINMUX_IPSR_MSEL(IP15_7_4, SSI_SDATA2_A, SEL_SSI_0),
- PINMUX_IPSR_MSEL(IP15_7_4, SSI_SCK1_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP15_7_4, SSI_SDATA2_A, SEL_SSI2_0),
+ PINMUX_IPSR_MSEL(IP15_7_4, SSI_SCK1_B, SEL_SSI1_1),
PINMUX_IPSR_GPSR(IP15_11_8, SSI_SCK349),
PINMUX_IPSR_MSEL(IP15_11_8, MSIOF1_SS1_A, SEL_MSIOF1_0),
@@ -1397,11 +1397,11 @@
PINMUX_IPSR_MSEL(IP16_27_24, RIF1_D1_A, SEL_DRIF1_0),
PINMUX_IPSR_MSEL(IP16_27_24, RIF3_D1_A, SEL_DRIF3_0),
- PINMUX_IPSR_MSEL(IP16_31_28, SSI_SDATA9_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP16_31_28, SSI_SDATA9_A, SEL_SSI9_0),
PINMUX_IPSR_MSEL(IP16_31_28, HSCK2_B, SEL_HSCIF2_1),
PINMUX_IPSR_MSEL(IP16_31_28, MSIOF1_SS1_C, SEL_MSIOF1_2),
PINMUX_IPSR_MSEL(IP16_31_28, HSCK1_A, SEL_HSCIF1_0),
- PINMUX_IPSR_MSEL(IP16_31_28, SSI_WS1_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP16_31_28, SSI_WS1_B, SEL_SSI1_1),
PINMUX_IPSR_GPSR(IP16_31_28, SCK1),
PINMUX_IPSR_MSEL(IP16_31_28, STP_IVCXO27_1_A, SEL_SSP1_1_0),
PINMUX_IPSR_MSEL(IP16_31_28, SCK5_A, SEL_SCIF5_0),
@@ -1433,7 +1433,7 @@
PINMUX_IPSR_GPSR(IP17_19_16, USB1_PWEN),
PINMUX_IPSR_MSEL(IP17_19_16, SIM0_CLK_C, SEL_SIMCARD_2),
- PINMUX_IPSR_MSEL(IP17_19_16, SSI_SCK1_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP17_19_16, SSI_SCK1_A, SEL_SSI1_0),
PINMUX_IPSR_MSEL(IP17_19_16, TS_SCK0_E, SEL_TSIF0_4),
PINMUX_IPSR_MSEL(IP17_19_16, STP_ISCLK_0_E, SEL_SSP1_0_4),
PINMUX_IPSR_MSEL(IP17_19_16, FMCLK_B, SEL_FM_1),
@@ -1443,7 +1443,7 @@
PINMUX_IPSR_GPSR(IP17_23_20, USB1_OVC),
PINMUX_IPSR_MSEL(IP17_23_20, MSIOF1_SS2_C, SEL_MSIOF1_2),
- PINMUX_IPSR_MSEL(IP17_23_20, SSI_WS1_A, SEL_SSI_0),
+ PINMUX_IPSR_MSEL(IP17_23_20, SSI_WS1_A, SEL_SSI1_0),
PINMUX_IPSR_MSEL(IP17_23_20, TS_SDAT0_E, SEL_TSIF0_4),
PINMUX_IPSR_MSEL(IP17_23_20, STP_ISD_0_E, SEL_SSP1_0_4),
PINMUX_IPSR_MSEL(IP17_23_20, FMIN_B, SEL_FM_1),
@@ -1453,7 +1453,7 @@
PINMUX_IPSR_GPSR(IP17_27_24, USB30_PWEN),
PINMUX_IPSR_GPSR(IP17_27_24, AUDIO_CLKOUT_B),
- PINMUX_IPSR_MSEL(IP17_27_24, SSI_SCK2_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP17_27_24, SSI_SCK2_B, SEL_SSI2_1),
PINMUX_IPSR_MSEL(IP17_27_24, TS_SDEN1_D, SEL_TSIF1_3),
PINMUX_IPSR_MSEL(IP17_27_24, STP_ISEN_1_D, SEL_SSP1_1_3),
PINMUX_IPSR_MSEL(IP17_27_24, STP_OPWM_0_E, SEL_SSP1_0_4),
@@ -1465,7 +1465,7 @@
PINMUX_IPSR_GPSR(IP17_31_28, USB30_OVC),
PINMUX_IPSR_GPSR(IP17_31_28, AUDIO_CLKOUT1_B),
- PINMUX_IPSR_MSEL(IP17_31_28, SSI_WS2_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP17_31_28, SSI_WS2_B, SEL_SSI2_1),
PINMUX_IPSR_MSEL(IP17_31_28, TS_SPSYNC1_D, SEL_TSIF1_3),
PINMUX_IPSR_MSEL(IP17_31_28, STP_ISSYNC_1_D, SEL_SSP1_1_3),
PINMUX_IPSR_MSEL(IP17_31_28, STP_IVCXO27_0_E, SEL_SSP1_0_4),
@@ -1476,7 +1476,7 @@
/* IPSR18 */
PINMUX_IPSR_GPSR(IP18_3_0, GP6_30),
PINMUX_IPSR_GPSR(IP18_3_0, AUDIO_CLKOUT2_B),
- PINMUX_IPSR_MSEL(IP18_3_0, SSI_SCK9_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP18_3_0, SSI_SCK9_B, SEL_SSI9_1),
PINMUX_IPSR_MSEL(IP18_3_0, TS_SDEN0_E, SEL_TSIF0_4),
PINMUX_IPSR_MSEL(IP18_3_0, STP_ISEN_0_E, SEL_SSP1_0_4),
PINMUX_IPSR_MSEL(IP18_3_0, RIF2_D0_B, SEL_DRIF2_1),
@@ -1486,7 +1486,7 @@
PINMUX_IPSR_GPSR(IP18_7_4, GP6_31),
PINMUX_IPSR_GPSR(IP18_7_4, AUDIO_CLKOUT3_B),
- PINMUX_IPSR_MSEL(IP18_7_4, SSI_WS9_B, SEL_SSI_1),
+ PINMUX_IPSR_MSEL(IP18_7_4, SSI_WS9_B, SEL_SSI9_1),
PINMUX_IPSR_MSEL(IP18_7_4, TS_SPSYNC0_E, SEL_TSIF0_4),
PINMUX_IPSR_MSEL(IP18_7_4, STP_ISSYNC_0_E, SEL_SSP1_0_4),
PINMUX_IPSR_MSEL(IP18_7_4, RIF2_D1_B, SEL_DRIF2_1),
diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c
index 08e4fd9..9621d6d 100644
--- a/drivers/power/supply/ltc2941-battery-gauge.c
+++ b/drivers/power/supply/ltc2941-battery-gauge.c
@@ -316,15 +316,15 @@
if (info->id == LTC2942_ID) {
reg = LTC2942_REG_TEMPERATURE_MSB;
- value = 60000; /* Full-scale is 600 Kelvin */
+ value = 6000; /* Full-scale is 600 Kelvin */
} else {
reg = LTC2943_REG_TEMPERATURE_MSB;
- value = 51000; /* Full-scale is 510 Kelvin */
+ value = 5100; /* Full-scale is 510 Kelvin */
}
ret = ltc294x_read_regs(info->client, reg, &datar[0], 2);
value *= (datar[0] << 8) | datar[1];
- /* Convert to centidegrees */
- *val = value / 0xFFFF - 27215;
+ /* Convert to tenths of degree Celsius */
+ *val = value / 0xFFFF - 2722;
return ret;
}
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 5b556a1..9c7eaae 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -1021,6 +1021,7 @@
i2c_set_clientdata(client, chip);
psy_cfg.drv_data = chip;
+ psy_cfg.of_node = dev->of_node;
/* When current is not measured,
* CURRENT_NOW and CURRENT_AVG properties should be invisible. */
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 0fce06a..a2eb507 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -271,8 +271,7 @@
drvdata->desc.name = kstrdup(config->supply_name, GFP_KERNEL);
if (drvdata->desc.name == NULL) {
dev_err(&pdev->dev, "Failed to allocate supply name\n");
- ret = -ENOMEM;
- goto err;
+ return -ENOMEM;
}
if (config->nr_gpios != 0) {
@@ -292,7 +291,7 @@
dev_err(&pdev->dev,
"Could not obtain regulator setting GPIOs: %d\n",
ret);
- goto err_memstate;
+ goto err_memgpio;
}
}
@@ -303,7 +302,7 @@
if (drvdata->states == NULL) {
dev_err(&pdev->dev, "Failed to allocate state data\n");
ret = -ENOMEM;
- goto err_memgpio;
+ goto err_stategpio;
}
drvdata->nr_states = config->nr_states;
@@ -324,7 +323,7 @@
default:
dev_err(&pdev->dev, "No regulator type set\n");
ret = -EINVAL;
- goto err_memgpio;
+ goto err_memstate;
}
/* build initial state from gpio init data. */
@@ -361,22 +360,21 @@
if (IS_ERR(drvdata->dev)) {
ret = PTR_ERR(drvdata->dev);
dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret);
- goto err_stategpio;
+ goto err_memstate;
}
platform_set_drvdata(pdev, drvdata);
return 0;
-err_stategpio:
- gpio_free_array(drvdata->gpios, drvdata->nr_gpios);
err_memstate:
kfree(drvdata->states);
+err_stategpio:
+ gpio_free_array(drvdata->gpios, drvdata->nr_gpios);
err_memgpio:
kfree(drvdata->gpios);
err_name:
kfree(drvdata->desc.name);
-err:
return ret;
}
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 14637a0..c987535 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -305,6 +305,7 @@
dev_err(dev,
"failed to parse DT for regulator %s\n",
child->name);
+ of_node_put(child);
return -EINVAL;
}
match->of_node = of_node_get(child);
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 633268e..05bcbce 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -339,8 +339,10 @@
}
dcfg = of_device_get_match_data(dev);
- if (!dcfg)
- return -EINVAL;
+ if (!dcfg) {
+ ret = -EINVAL;
+ goto err_put_rproc;
+ }
priv = rproc->priv;
priv->rproc = rproc;
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 29f35e2..e67c1d8 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2596,8 +2596,6 @@
case DASD_CQR_QUEUED:
/* request was not started - just set to cleared */
cqr->status = DASD_CQR_CLEARED;
- if (cqr->callback_data == DASD_SLEEPON_START_TAG)
- cqr->callback_data = DASD_SLEEPON_END_TAG;
break;
case DASD_CQR_IN_IO:
/* request in IO - terminate IO and release again */
@@ -3917,9 +3915,12 @@
wait_event(dasd_flush_wq,
(cqr->status != DASD_CQR_CLEAR_PENDING));
- /* mark sleepon requests as ended */
- if (cqr->callback_data == DASD_SLEEPON_START_TAG)
- cqr->callback_data = DASD_SLEEPON_END_TAG;
+ /*
+ * requeue requests to blocklayer will only work
+ * for block device requests
+ */
+ if (_dasd_requeue_request(cqr))
+ continue;
/* remove requests from device and block queue */
list_del_init(&cqr->devlist);
@@ -3932,13 +3933,6 @@
cqr = refers;
}
- /*
- * requeue requests to blocklayer will only work
- * for block device requests
- */
- if (_dasd_requeue_request(cqr))
- continue;
-
if (cqr->block)
list_del_init(&cqr->blocklist);
cqr->block->base->discipline->free_cp(
@@ -3955,8 +3949,7 @@
list_splice_tail(&requeue_queue, &device->ccw_queue);
spin_unlock_irq(get_ccwdev_lock(device->cdev));
}
- /* wake up generic waitqueue for eventually ended sleepon requests */
- wake_up(&generic_waitq);
+ dasd_schedule_device_bh(device);
return rc;
}
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index f98ea67..28837ad 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -796,6 +796,7 @@
ccw_device_set_timeout(cdev, 0);
cdev->private->iretry = 255;
+ cdev->private->async_kill_io_rc = -ETIMEDOUT;
ret = ccw_device_cancel_halt_clear(cdev);
if (ret == -EBUSY) {
ccw_device_set_timeout(cdev, 3*HZ);
@@ -872,7 +873,7 @@
/* OK, i/o is dead now. Call interrupt handler. */
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
- ERR_PTR(-EIO));
+ ERR_PTR(cdev->private->async_kill_io_rc));
}
static void
@@ -889,14 +890,16 @@
ccw_device_online_verify(cdev, 0);
if (cdev->handler)
cdev->handler(cdev, cdev->private->intparm,
- ERR_PTR(-EIO));
+ ERR_PTR(cdev->private->async_kill_io_rc));
}
void ccw_device_kill_io(struct ccw_device *cdev)
{
int ret;
+ ccw_device_set_timeout(cdev, 0);
cdev->private->iretry = 255;
+ cdev->private->async_kill_io_rc = -EIO;
ret = ccw_device_cancel_halt_clear(cdev);
if (ret == -EBUSY) {
ccw_device_set_timeout(cdev, 3*HZ);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index cf8c4ac..b22922e 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -160,7 +160,7 @@
}
/**
- * ccw_device_start_key() - start a s390 channel program with key
+ * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key
* @cdev: target ccw device
* @cpa: logical start address of channel program
* @intparm: user specific interruption parameter; will be presented back to
@@ -171,10 +171,15 @@
* @key: storage key to be used for the I/O
* @flags: additional flags; defines the action to be performed for I/O
* processing.
+ * @expires: timeout value in jiffies
*
* Start a S/390 channel program. When the interrupt arrives, the
* IRQ handler is called, either immediately, delayed (dev-end missing,
* or sense required) or never (no IRQ handler registered).
+ * This function notifies the device driver if the channel program has not
+ * completed during the time specified by @expires. If a timeout occurs, the
+ * channel program is terminated via xsch, hsch or csch, and the device's
+ * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT).
* Returns:
* %0, if the operation was successful;
* -%EBUSY, if the device is busy, or status pending;
@@ -183,9 +188,9 @@
* Context:
* Interrupts disabled, ccw device lock held
*/
-int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
- unsigned long intparm, __u8 lpm, __u8 key,
- unsigned long flags)
+int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
+ unsigned long intparm, __u8 lpm, __u8 key,
+ unsigned long flags, int expires)
{
struct subchannel *sch;
int ret;
@@ -225,6 +230,8 @@
switch (ret) {
case 0:
cdev->private->intparm = intparm;
+ if (expires)
+ ccw_device_set_timeout(cdev, expires);
break;
case -EACCES:
case -ENODEV:
@@ -235,7 +242,7 @@
}
/**
- * ccw_device_start_timeout_key() - start a s390 channel program with timeout and key
+ * ccw_device_start_key() - start a s390 channel program with key
* @cdev: target ccw device
* @cpa: logical start address of channel program
* @intparm: user specific interruption parameter; will be presented back to
@@ -246,15 +253,10 @@
* @key: storage key to be used for the I/O
* @flags: additional flags; defines the action to be performed for I/O
* processing.
- * @expires: timeout value in jiffies
*
* Start a S/390 channel program. When the interrupt arrives, the
* IRQ handler is called, either immediately, delayed (dev-end missing,
* or sense required) or never (no IRQ handler registered).
- * This function notifies the device driver if the channel program has not
- * completed during the time specified by @expires. If a timeout occurs, the
- * channel program is terminated via xsch, hsch or csch, and the device's
- * interrupt handler will be called with an irb containing ERR_PTR(-%ETIMEDOUT).
* Returns:
* %0, if the operation was successful;
* -%EBUSY, if the device is busy, or status pending;
@@ -263,19 +265,12 @@
* Context:
* Interrupts disabled, ccw device lock held
*/
-int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
- unsigned long intparm, __u8 lpm, __u8 key,
- unsigned long flags, int expires)
+int ccw_device_start_key(struct ccw_device *cdev, struct ccw1 *cpa,
+ unsigned long intparm, __u8 lpm, __u8 key,
+ unsigned long flags)
{
- int ret;
-
- if (!cdev)
- return -ENODEV;
- ccw_device_set_timeout(cdev, expires);
- ret = ccw_device_start_key(cdev, cpa, intparm, lpm, key, flags);
- if (ret != 0)
- ccw_device_set_timeout(cdev, 0);
- return ret;
+ return ccw_device_start_timeout_key(cdev, cpa, intparm, lpm, key,
+ flags, 0);
}
/**
@@ -490,18 +485,20 @@
EXPORT_SYMBOL(ccw_device_get_id);
/**
- * ccw_device_tm_start_key() - perform start function
+ * ccw_device_tm_start_timeout_key() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
* @lpm: mask of paths to use
* @key: storage key to use for storage access
+ * @expires: time span in jiffies after which to abort request
*
* Start the tcw on the given ccw device. Return zero on success, non-zero
* otherwise.
*/
-int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
- unsigned long intparm, u8 lpm, u8 key)
+int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
+ unsigned long intparm, u8 lpm, u8 key,
+ int expires)
{
struct subchannel *sch;
int rc;
@@ -528,37 +525,32 @@
return -EACCES;
}
rc = cio_tm_start_key(sch, tcw, lpm, key);
- if (rc == 0)
+ if (rc == 0) {
cdev->private->intparm = intparm;
+ if (expires)
+ ccw_device_set_timeout(cdev, expires);
+ }
return rc;
}
-EXPORT_SYMBOL(ccw_device_tm_start_key);
+EXPORT_SYMBOL(ccw_device_tm_start_timeout_key);
/**
- * ccw_device_tm_start_timeout_key() - perform start function
+ * ccw_device_tm_start_key() - perform start function
* @cdev: ccw device on which to perform the start function
* @tcw: transport-command word to be started
* @intparm: user defined parameter to be passed to the interrupt handler
* @lpm: mask of paths to use
* @key: storage key to use for storage access
- * @expires: time span in jiffies after which to abort request
*
* Start the tcw on the given ccw device. Return zero on success, non-zero
* otherwise.
*/
-int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
- unsigned long intparm, u8 lpm, u8 key,
- int expires)
+int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw,
+ unsigned long intparm, u8 lpm, u8 key)
{
- int ret;
-
- ccw_device_set_timeout(cdev, expires);
- ret = ccw_device_tm_start_key(cdev, tcw, intparm, lpm, key);
- if (ret != 0)
- ccw_device_set_timeout(cdev, 0);
- return ret;
+ return ccw_device_tm_start_timeout_key(cdev, tcw, intparm, lpm, key, 0);
}
-EXPORT_SYMBOL(ccw_device_tm_start_timeout_key);
+EXPORT_SYMBOL(ccw_device_tm_start_key);
/**
* ccw_device_tm_start() - perform start function
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index af571d8..90e4e3a 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -157,6 +157,7 @@
unsigned long intparm; /* user interruption parameter */
struct qdio_irq *qdio_data;
struct irb irb; /* device status */
+ int async_kill_io_rc;
struct senseid senseid; /* SenseID info */
struct pgid pgid[8]; /* path group IDs per chpid*/
struct ccw1 iccws[2]; /* ccws for SNID/SID/SPGID commands */
diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c
index e96b855..3c80064 100644
--- a/drivers/s390/cio/vfio_ccw_fsm.c
+++ b/drivers/s390/cio/vfio_ccw_fsm.c
@@ -129,6 +129,11 @@
if (scsw->cmd.fctl & SCSW_FCTL_START_FUNC) {
orb = (union orb *)io_region->orb_area;
+ /* Don't try to build a cp if transport mode is specified. */
+ if (orb->tm.b) {
+ io_region->ret_code = -EOPNOTSUPP;
+ goto err_out;
+ }
io_region->ret_code = cp_init(&private->cp, mdev_dev(mdev),
orb);
if (io_region->ret_code)
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 9be34d3..3f3cb72 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -525,6 +525,8 @@
struct scsi_cd *cd;
int ret = -ENXIO;
+ check_disk_change(bdev);
+
mutex_lock(&sr_mutex);
cd = scsi_cd_get(bdev->bd_disk);
if (cd) {
@@ -585,18 +587,28 @@
static unsigned int sr_block_check_events(struct gendisk *disk,
unsigned int clearing)
{
- struct scsi_cd *cd = scsi_cd(disk);
+ unsigned int ret = 0;
+ struct scsi_cd *cd;
- if (atomic_read(&cd->device->disk_events_disable_depth))
+ cd = scsi_cd_get(disk);
+ if (!cd)
return 0;
- return cdrom_check_events(&cd->cdi, clearing);
+ if (!atomic_read(&cd->device->disk_events_disable_depth))
+ ret = cdrom_check_events(&cd->cdi, clearing);
+
+ scsi_cd_put(cd);
+ return ret;
}
static int sr_block_revalidate_disk(struct gendisk *disk)
{
- struct scsi_cd *cd = scsi_cd(disk);
struct scsi_sense_hdr sshdr;
+ struct scsi_cd *cd;
+
+ cd = scsi_cd_get(disk);
+ if (!cd)
+ return -ENXIO;
/* if the unit is not ready, nothing more to do */
if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
@@ -605,6 +617,7 @@
sr_cd_check(&cd->cdi);
get_sectorsize(cd);
out:
+ scsi_cd_put(cd);
return 0;
}
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 2a21f2d..35fab1e 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -188,9 +188,13 @@
struct scsi_device *SDev;
struct scsi_sense_hdr sshdr;
int result, err = 0, retries = 0;
+ unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE], *senseptr = NULL;
SDev = cd->device;
+ if (cgc->sense)
+ senseptr = sense_buffer;
+
retry:
if (!scsi_block_when_processing_errors(SDev)) {
err = -ENODEV;
@@ -198,10 +202,12 @@
}
result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
- cgc->buffer, cgc->buflen,
- (unsigned char *)cgc->sense, &sshdr,
+ cgc->buffer, cgc->buflen, senseptr, &sshdr,
cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
+ if (cgc->sense)
+ memcpy(cgc->sense, sense_buffer, sizeof(*cgc->sense));
+
/* Minimal error checking. Ignore cases we know about, and report the rest. */
if (driver_byte(result) != 0) {
switch (sshdr.sense_key) {
diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
index 47e7aa9..1613ccf 100644
--- a/drivers/soc/imx/gpc.c
+++ b/drivers/soc/imx/gpc.c
@@ -456,13 +456,21 @@
static int imx_gpc_remove(struct platform_device *pdev)
{
+ struct device_node *pgc_node;
int ret;
+ pgc_node = of_get_child_by_name(pdev->dev.of_node, "pgc");
+
+ /* bail out if DT too old and doesn't provide the necessary info */
+ if (!of_property_read_bool(pdev->dev.of_node, "#power-domain-cells") &&
+ !pgc_node)
+ return 0;
+
/*
* If the old DT binding is used the toplevel driver needs to
* de-register the power domains
*/
- if (!of_get_child_by_name(pdev->dev.of_node, "pgc")) {
+ if (!pgc_node) {
of_genpd_del_provider(pdev->dev.of_node);
ret = pm_genpd_remove(&imx_gpc_domains[GPC_PGC_DOMAIN_PU].base);
diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c
index d008e5b..df3ccb3 100644
--- a/drivers/soc/qcom/wcnss_ctrl.c
+++ b/drivers/soc/qcom/wcnss_ctrl.c
@@ -249,7 +249,7 @@
/* Increment for next fragment */
req->seq++;
- data += req->hdr.len;
+ data += NV_FRAGMENT_SIZE;
left -= NV_FRAGMENT_SIZE;
} while (left > 0);
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index ff01f86..6573152 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -1255,7 +1255,7 @@
qspi->base[MSPI] = devm_ioremap_resource(dev, res);
if (IS_ERR(qspi->base[MSPI])) {
ret = PTR_ERR(qspi->base[MSPI]);
- goto qspi_probe_err;
+ goto qspi_resource_err;
}
} else {
goto qspi_resource_err;
@@ -1266,7 +1266,7 @@
qspi->base[BSPI] = devm_ioremap_resource(dev, res);
if (IS_ERR(qspi->base[BSPI])) {
ret = PTR_ERR(qspi->base[BSPI]);
- goto qspi_probe_err;
+ goto qspi_resource_err;
}
qspi->bspi_mode = true;
} else {
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 6dda362..e1faee1 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -65,6 +65,23 @@
#define AX_INDXC 0x30
#define AX_DATAC 0x34
+#define PT_ADDR_INDX 0xE8
+#define PT_READ_INDX 0xE4
+#define PT_SIG_1_ADDR 0xA520
+#define PT_SIG_2_ADDR 0xA521
+#define PT_SIG_3_ADDR 0xA522
+#define PT_SIG_4_ADDR 0xA523
+#define PT_SIG_1_DATA 0x78
+#define PT_SIG_2_DATA 0x56
+#define PT_SIG_3_DATA 0x34
+#define PT_SIG_4_DATA 0x12
+#define PT4_P1_REG 0xB521
+#define PT4_P2_REG 0xB522
+#define PT2_P1_REG 0xD520
+#define PT2_P2_REG 0xD521
+#define PT1_P1_REG 0xD522
+#define PT1_P2_REG 0xD523
+
#define NB_PCIE_INDX_ADDR 0xe0
#define NB_PCIE_INDX_DATA 0xe4
#define PCIE_P_CNTL 0x10040
@@ -512,6 +529,98 @@
EXPORT_SYMBOL_GPL(usb_amd_dev_put);
/*
+ * Check if port is disabled in BIOS on AMD Promontory host.
+ * BIOS Disabled ports may wake on connect/disconnect and need
+ * driver workaround to keep them disabled.
+ * Returns true if port is marked disabled.
+ */
+bool usb_amd_pt_check_port(struct device *device, int port)
+{
+ unsigned char value, port_shift;
+ struct pci_dev *pdev;
+ u16 reg;
+
+ pdev = to_pci_dev(device);
+ pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_1_ADDR);
+
+ pci_read_config_byte(pdev, PT_READ_INDX, &value);
+ if (value != PT_SIG_1_DATA)
+ return false;
+
+ pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_2_ADDR);
+
+ pci_read_config_byte(pdev, PT_READ_INDX, &value);
+ if (value != PT_SIG_2_DATA)
+ return false;
+
+ pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_3_ADDR);
+
+ pci_read_config_byte(pdev, PT_READ_INDX, &value);
+ if (value != PT_SIG_3_DATA)
+ return false;
+
+ pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_4_ADDR);
+
+ pci_read_config_byte(pdev, PT_READ_INDX, &value);
+ if (value != PT_SIG_4_DATA)
+ return false;
+
+ /* Check disabled port setting, if bit is set port is enabled */
+ switch (pdev->device) {
+ case 0x43b9:
+ case 0x43ba:
+ /*
+ * device is AMD_PROMONTORYA_4(0x43b9) or PROMONTORYA_3(0x43ba)
+ * PT4_P1_REG bits[7..1] represents USB2.0 ports 6 to 0
+ * PT4_P2_REG bits[6..0] represents ports 13 to 7
+ */
+ if (port > 6) {
+ reg = PT4_P2_REG;
+ port_shift = port - 7;
+ } else {
+ reg = PT4_P1_REG;
+ port_shift = port + 1;
+ }
+ break;
+ case 0x43bb:
+ /*
+ * device is AMD_PROMONTORYA_2(0x43bb)
+ * PT2_P1_REG bits[7..5] represents USB2.0 ports 2 to 0
+ * PT2_P2_REG bits[5..0] represents ports 9 to 3
+ */
+ if (port > 2) {
+ reg = PT2_P2_REG;
+ port_shift = port - 3;
+ } else {
+ reg = PT2_P1_REG;
+ port_shift = port + 5;
+ }
+ break;
+ case 0x43bc:
+ /*
+ * device is AMD_PROMONTORYA_1(0x43bc)
+ * PT1_P1_REG[7..4] represents USB2.0 ports 3 to 0
+ * PT1_P2_REG[5..0] represents ports 9 to 4
+ */
+ if (port > 3) {
+ reg = PT1_P2_REG;
+ port_shift = port - 4;
+ } else {
+ reg = PT1_P1_REG;
+ port_shift = port + 4;
+ }
+ break;
+ default:
+ return false;
+ }
+ pci_write_config_word(pdev, PT_ADDR_INDX, reg);
+ pci_read_config_byte(pdev, PT_READ_INDX, &value);
+
+ return !(value & BIT(port_shift));
+}
+EXPORT_SYMBOL_GPL(usb_amd_pt_check_port);
+
+/*
* Make sure the controller is completely inactive, unable to
* generate interrupts or do DMA.
*/
diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h
index b68dcb5..4ca0d9b 100644
--- a/drivers/usb/host/pci-quirks.h
+++ b/drivers/usb/host/pci-quirks.h
@@ -17,6 +17,7 @@
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);
+bool usb_amd_pt_check_port(struct device *device, int port);
#else
struct pci_dev;
static inline void usb_amd_quirk_pll_disable(void) {}
@@ -25,6 +26,10 @@
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) {}
+static inline bool usb_amd_pt_check_port(struct device *device, int port)
+{
+ return false;
+}
#endif /* CONFIG_USB_PCI */
#endif /* __LINUX_USB_PCI_QUIRKS_H */
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 9762333..00b8d4c 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1531,6 +1531,13 @@
t2 |= PORT_WKOC_E | PORT_WKCONN_E;
t2 &= ~PORT_WKDISC_E;
}
+
+ if ((xhci->quirks & XHCI_U2_DISABLE_WAKE) &&
+ (hcd->speed < HCD_USB3)) {
+ if (usb_amd_pt_check_port(hcd->self.controller,
+ port_index))
+ t2 &= ~PORT_WAKE_BITS;
+ }
} else
t2 &= ~PORT_WAKE_BITS;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index d79ab0d..838d37e 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -54,6 +54,10 @@
#define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8
#define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
+#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
+#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";
@@ -143,6 +147,13 @@
if (pdev->vendor == PCI_VENDOR_ID_AMD)
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if ((pdev->vendor == PCI_VENDOR_ID_AMD) &&
+ ((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_3) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_2) ||
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_1)))
+ xhci->quirks |= XHCI_U2_DISABLE_WAKE;
+
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index f5fb1f4..2a72060 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1829,7 +1829,7 @@
/* For controller with a broken Port Disable implementation */
#define XHCI_BROKEN_PORT_PED (1 << 25)
#define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26)
-/* Reserved. It was XHCI_U2_DISABLE_WAKE */
+#define XHCI_U2_DISABLE_WAKE (1 << 27)
#define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28)
#define XHCI_SUSPEND_DELAY (1 << 30)
diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
index af6fc97..a436d44 100644
--- a/drivers/video/fbdev/sbuslib.c
+++ b/drivers/video/fbdev/sbuslib.c
@@ -122,7 +122,7 @@
unsigned char __user *ured;
unsigned char __user *ugreen;
unsigned char __user *ublue;
- int index, count, i;
+ unsigned int index, count, i;
if (get_user(index, &c->index) ||
__get_user(count, &c->count) ||
@@ -161,7 +161,7 @@
unsigned char __user *ugreen;
unsigned char __user *ublue;
struct fb_cmap *cmap = &info->cmap;
- int index, count, i;
+ unsigned int index, count, i;
u8 red, green, blue;
if (get_user(index, &c->index) ||
diff --git a/drivers/watchdog/asm9260_wdt.c b/drivers/watchdog/asm9260_wdt.c
index 7dd0da6..2cf56b4 100644
--- a/drivers/watchdog/asm9260_wdt.c
+++ b/drivers/watchdog/asm9260_wdt.c
@@ -292,14 +292,14 @@
if (IS_ERR(priv->iobase))
return PTR_ERR(priv->iobase);
- ret = asm9260_wdt_get_dt_clks(priv);
- if (ret)
- return ret;
-
priv->rst = devm_reset_control_get_exclusive(&pdev->dev, "wdt_rst");
if (IS_ERR(priv->rst))
return PTR_ERR(priv->rst);
+ ret = asm9260_wdt_get_dt_clks(priv);
+ if (ret)
+ return ret;
+
wdd = &priv->wdd;
wdd->info = &asm9260_wdt_ident;
wdd->ops = &asm9260_wdt_ops;
diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index 79cc766..fd91007 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -46,6 +46,7 @@
#define WDT_RELOAD_VALUE 0x04
#define WDT_RESTART 0x08
#define WDT_CTRL 0x0C
+#define WDT_CTRL_BOOT_SECONDARY BIT(7)
#define WDT_CTRL_RESET_MODE_SOC (0x00 << 5)
#define WDT_CTRL_RESET_MODE_FULL_CHIP (0x01 << 5)
#define WDT_CTRL_RESET_MODE_ARM_CPU (0x10 << 5)
@@ -158,6 +159,7 @@
{
struct aspeed_wdt *wdt = to_aspeed_wdt(wdd);
+ wdt->ctrl &= ~WDT_CTRL_BOOT_SECONDARY;
aspeed_wdt_enable(wdt, 128 * WDT_RATE_1MHZ / 1000);
mdelay(1000);
@@ -232,16 +234,21 @@
wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC | WDT_CTRL_RESET_SYSTEM;
} else {
if (!strcmp(reset_type, "cpu"))
- wdt->ctrl |= WDT_CTRL_RESET_MODE_ARM_CPU;
+ wdt->ctrl |= WDT_CTRL_RESET_MODE_ARM_CPU |
+ WDT_CTRL_RESET_SYSTEM;
else if (!strcmp(reset_type, "soc"))
- wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC;
+ wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC |
+ WDT_CTRL_RESET_SYSTEM;
else if (!strcmp(reset_type, "system"))
- wdt->ctrl |= WDT_CTRL_RESET_SYSTEM;
+ wdt->ctrl |= WDT_CTRL_RESET_MODE_FULL_CHIP |
+ WDT_CTRL_RESET_SYSTEM;
else if (strcmp(reset_type, "none"))
return -EINVAL;
}
if (of_property_read_bool(np, "aspeed,external-signal"))
wdt->ctrl |= WDT_CTRL_WDT_EXT;
+ if (of_property_read_bool(np, "aspeed,alt-boot"))
+ wdt->ctrl |= WDT_CTRL_BOOT_SECONDARY;
writel(wdt->ctrl, wdt->base + WDT_CTRL);
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 2f46487..6d9a5d8 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -198,15 +198,22 @@
wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
davinci_wdt->base = devm_ioremap_resource(dev, wdt_mem);
- if (IS_ERR(davinci_wdt->base))
- return PTR_ERR(davinci_wdt->base);
+ if (IS_ERR(davinci_wdt->base)) {
+ ret = PTR_ERR(davinci_wdt->base);
+ goto err_clk_disable;
+ }
ret = watchdog_register_device(wdd);
- if (ret < 0) {
- clk_disable_unprepare(davinci_wdt->clk);
+ if (ret) {
dev_err(dev, "cannot register watchdog device\n");
+ goto err_clk_disable;
}
+ return 0;
+
+err_clk_disable:
+ clk_disable_unprepare(davinci_wdt->clk);
+
return ret;
}
diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
index c2f4ff5..918357b 100644
--- a/drivers/watchdog/dw_wdt.c
+++ b/drivers/watchdog/dw_wdt.c
@@ -34,6 +34,7 @@
#define WDOG_CONTROL_REG_OFFSET 0x00
#define WDOG_CONTROL_REG_WDT_EN_MASK 0x01
+#define WDOG_CONTROL_REG_RESP_MODE_MASK 0x02
#define WDOG_TIMEOUT_RANGE_REG_OFFSET 0x04
#define WDOG_TIMEOUT_RANGE_TOPINIT_SHIFT 4
#define WDOG_CURRENT_COUNT_REG_OFFSET 0x08
@@ -121,14 +122,23 @@
return 0;
}
+static void dw_wdt_arm_system_reset(struct dw_wdt *dw_wdt)
+{
+ u32 val = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
+
+ /* Disable interrupt mode; always perform system reset. */
+ val &= ~WDOG_CONTROL_REG_RESP_MODE_MASK;
+ /* Enable watchdog. */
+ val |= WDOG_CONTROL_REG_WDT_EN_MASK;
+ writel(val, dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
+}
+
static int dw_wdt_start(struct watchdog_device *wdd)
{
struct dw_wdt *dw_wdt = to_dw_wdt(wdd);
dw_wdt_set_timeout(wdd, wdd->timeout);
-
- writel(WDOG_CONTROL_REG_WDT_EN_MASK,
- dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
+ dw_wdt_arm_system_reset(dw_wdt);
return 0;
}
@@ -152,16 +162,13 @@
unsigned long action, void *data)
{
struct dw_wdt *dw_wdt = to_dw_wdt(wdd);
- u32 val;
writel(0, dw_wdt->regs + WDOG_TIMEOUT_RANGE_REG_OFFSET);
- val = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
- if (val & WDOG_CONTROL_REG_WDT_EN_MASK)
+ if (dw_wdt_is_enabled(dw_wdt))
writel(WDOG_COUNTER_RESTART_KICK_VALUE,
dw_wdt->regs + WDOG_COUNTER_RESTART_REG_OFFSET);
else
- writel(WDOG_CONTROL_REG_WDT_EN_MASK,
- dw_wdt->regs + WDOG_CONTROL_REG_OFFSET);
+ dw_wdt_arm_system_reset(dw_wdt);
/* wait for reset to assert... */
mdelay(500);
diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index e682bf0..88cd2a5 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -566,7 +566,8 @@
char c;
if (get_user(c, buf + i))
return -EFAULT;
- expect_close = (c == 'V');
+ if (c == 'V')
+ expect_close = true;
}
/* Properly order writes across fork()ed processes */
diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c
index 316c2eb..e8bd988 100644
--- a/drivers/watchdog/sbsa_gwdt.c
+++ b/drivers/watchdog/sbsa_gwdt.c
@@ -50,6 +50,7 @@
*/
#include <linux/io.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -159,7 +160,7 @@
!(readl(gwdt->control_base + SBSA_GWDT_WCS) & SBSA_GWDT_WCS_WS0))
timeleft += readl(gwdt->control_base + SBSA_GWDT_WOR);
- timeleft += readq(gwdt->control_base + SBSA_GWDT_WCV) -
+ timeleft += lo_hi_readq(gwdt->control_base + SBSA_GWDT_WCV) -
arch_counter_get_cntvct();
do_div(timeleft, gwdt->clk);
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 1ab4bd1..762378f 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -755,8 +755,8 @@
mutex_unlock(&irq_mapping_update_lock);
return irq;
error_irq:
- for (; i >= 0; i--)
- __unbind_from_irq(irq + i);
+ while (nvec--)
+ __unbind_from_irq(irq + nvec);
mutex_unlock(&irq_mapping_update_lock);
return ret;
}
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index b209cd4..169293c 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -424,7 +424,7 @@
sock);
if (!map) {
ret = -EFAULT;
- sock_release(map->sock);
+ sock_release(sock);
}
out:
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 82fc54f..f98b8c1 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -365,7 +365,7 @@
* physical address */
phys = xen_bus_to_phys(dev_addr);
- if (((dev_addr + size - 1 > dma_mask)) ||
+ if (((dev_addr + size - 1 <= dma_mask)) ||
range_straddles_page_boundary(phys, size))
xen_destroy_contiguous_region(phys, order);
diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 23e391d..22863f5 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -362,9 +362,9 @@
}
/* There are more ACPI Processor objects than in x2APIC or MADT.
* This can happen with incorrect ACPI SSDT declerations. */
- if (acpi_id > nr_acpi_bits) {
- pr_debug("We only have %u, trying to set %u\n",
- nr_acpi_bits, acpi_id);
+ if (acpi_id >= nr_acpi_bits) {
+ pr_debug("max acpi id %u, trying to set %u\n",
+ nr_acpi_bits - 1, acpi_id);
return AE_OK;
}
/* OK, There is a ACPI Processor object */
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 74888ca..ec9eb4f 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -466,8 +466,11 @@
/* Register with generic device framework. */
err = device_register(&xendev->dev);
- if (err)
+ if (err) {
+ put_device(&xendev->dev);
+ xendev = NULL;
goto fail;
+ }
return 0;
fail:
diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c
index cc1b1ac..4772847 100644
--- a/drivers/zorro/zorro.c
+++ b/drivers/zorro/zorro.c
@@ -16,6 +16,7 @@
#include <linux/bitops.h>
#include <linux/string.h>
#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
@@ -185,6 +186,17 @@
z->dev.parent = &bus->dev;
z->dev.bus = &zorro_bus_type;
z->dev.id = i;
+ switch (z->rom.er_Type & ERT_TYPEMASK) {
+ case ERT_ZORROIII:
+ z->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ break;
+
+ case ERT_ZORROII:
+ default:
+ z->dev.coherent_dma_mask = DMA_BIT_MASK(24);
+ break;
+ }
+ z->dev.dma_mask = &z->dev.coherent_dma_mask;
}
/* ... then register them */
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index d8aa0ae..1ed0fa4 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -206,9 +206,10 @@
affs_lock_dir(dir);
bh = affs_find_entry(dir, dentry);
- affs_unlock_dir(dir);
- if (IS_ERR(bh))
+ if (IS_ERR(bh)) {
+ affs_unlock_dir(dir);
return ERR_CAST(bh);
+ }
if (bh) {
u32 ino = bh->b_blocknr;
@@ -222,10 +223,13 @@
}
affs_brelse(bh);
inode = affs_iget(sb, ino);
- if (IS_ERR(inode))
+ if (IS_ERR(inode)) {
+ affs_unlock_dir(dir);
return ERR_CAST(inode);
+ }
}
d_add(dentry, inode);
+ affs_unlock_dir(dir);
return NULL;
}
diff --git a/fs/aio.c b/fs/aio.c
index c3ace78..4e23958 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1087,8 +1087,8 @@
ctx = rcu_dereference(table->table[id]);
if (ctx && ctx->user_id == ctx_id) {
- percpu_ref_get(&ctx->users);
- ret = ctx;
+ if (percpu_ref_tryget_live(&ctx->users))
+ ret = ctx;
}
out:
rcu_read_unlock();
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index c44703e..588760c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2969,7 +2969,7 @@
kfree(fs_info->super_copy);
kfree(fs_info->super_for_commit);
security_free_mnt_opts(&fs_info->security_opts);
- kfree(fs_info);
+ kvfree(fs_info);
}
/* tree mod log functions from ctree.c */
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4a630ae..27d59cf 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1276,7 +1276,7 @@
if (!writers)
return ERR_PTR(-ENOMEM);
- ret = percpu_counter_init(&writers->counter, 0, GFP_KERNEL);
+ ret = percpu_counter_init(&writers->counter, 0, GFP_NOFS);
if (ret < 0) {
kfree(writers);
return ERR_PTR(ret);
@@ -3896,7 +3896,8 @@
btrfs_err(fs_info, "commit super ret %d", ret);
}
- if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
+ if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state) ||
+ test_bit(BTRFS_FS_STATE_TRANS_ABORTED, &fs_info->fs_state))
btrfs_error_commit_super(fs_info);
kthread_stop(fs_info->transaction_kthread);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1bc6229..5348710 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4675,6 +4675,7 @@
if (wait_for_alloc) {
mutex_unlock(&fs_info->chunk_mutex);
wait_for_alloc = 0;
+ cond_resched();
goto again;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b0fa3a0..8ecbac3 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6664,8 +6664,7 @@
goto out_unlock_inode;
} else {
btrfs_update_inode(trans, root, inode);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
}
out_unlock:
@@ -6742,8 +6741,7 @@
goto out_unlock_inode;
BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
out_unlock:
btrfs_end_transaction(trans);
@@ -6890,12 +6888,7 @@
if (err)
goto out_fail_inode;
- d_instantiate(dentry, inode);
- /*
- * mkdir is special. We're unlocking after we call d_instantiate
- * to avoid a race with nfsd calling d_instantiate.
- */
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
drop_on_err = 0;
out_fail:
@@ -10573,8 +10566,7 @@
goto out_unlock_inode;
}
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
out_unlock:
btrfs_end_transaction(trans);
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 2c35717..baf5a4c 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -5008,6 +5008,9 @@
u64 len;
int ret = 0;
+ if (sctx->flags & BTRFS_SEND_FLAG_NO_FILE_DATA)
+ return send_update_extent(sctx, offset, end - offset);
+
p = fs_path_alloc();
if (!p)
return -ENOMEM;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index e8f5e24..8e3ce81 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1581,7 +1581,7 @@
* it for searching for existing supers, so this lets us do that and
* then open_ctree will properly initialize everything later.
*/
- fs_info = kzalloc(sizeof(struct btrfs_fs_info), GFP_KERNEL);
+ fs_info = kvzalloc(sizeof(struct btrfs_fs_info), GFP_KERNEL);
if (!fs_info) {
error = -ENOMEM;
goto error_sec_opts;
diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
index 0f4ce97..578fd04 100644
--- a/fs/btrfs/tests/qgroup-tests.c
+++ b/fs/btrfs/tests/qgroup-tests.c
@@ -63,7 +63,7 @@
btrfs_set_extent_generation(leaf, item, 1);
btrfs_set_extent_flags(leaf, item, BTRFS_EXTENT_FLAG_TREE_BLOCK);
block_info = (struct btrfs_tree_block_info *)(item + 1);
- btrfs_set_tree_block_level(leaf, block_info, 1);
+ btrfs_set_tree_block_level(leaf, block_info, 0);
iref = (struct btrfs_extent_inline_ref *)(block_info + 1);
if (parent > 0) {
btrfs_set_extent_inline_ref_type(leaf, iref,
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index f615d59..27638b9 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -319,7 +319,7 @@
if ((test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
root->last_trans < trans->transid) || force) {
WARN_ON(root == fs_info->extent_root);
- WARN_ON(root->commit_root != root->node);
+ WARN_ON(!force && root->commit_root != root->node);
/*
* see below for IN_TRANS_SETUP usage rules
@@ -1366,6 +1366,14 @@
return 0;
/*
+ * Ensure dirty @src will be commited. Or, after comming
+ * commit_fs_roots() and switch_commit_roots(), any dirty but not
+ * recorded root will never be updated again, causing an outdated root
+ * item.
+ */
+ record_root_in_trans(trans, src, 1);
+
+ /*
* We are going to commit transaction, see btrfs_commit_transaction()
* comment for reason locking tree_log_mutex
*/
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2794f35..fc4c14a 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2272,8 +2272,10 @@
nritems = btrfs_header_nritems(path->nodes[0]);
if (path->slots[0] >= nritems) {
ret = btrfs_next_leaf(root, path);
- if (ret)
+ if (ret == 1)
break;
+ else if (ret < 0)
+ goto out;
}
btrfs_item_key_to_cpu(path->nodes[0], &found_key,
path->slots[0]);
@@ -2377,13 +2379,41 @@
if (ret)
break;
- /* for regular files, make sure corresponding
- * orphan item exist. extents past the new EOF
- * will be truncated later by orphan cleanup.
+ /*
+ * Before replaying extents, truncate the inode to its
+ * size. We need to do it now and not after log replay
+ * because before an fsync we can have prealloc extents
+ * added beyond the inode's i_size. If we did it after,
+ * through orphan cleanup for example, we would drop
+ * those prealloc extents just after replaying them.
*/
if (S_ISREG(mode)) {
- ret = insert_orphan_item(wc->trans, root,
- key.objectid);
+ struct inode *inode;
+ u64 from;
+
+ inode = read_one_inode(root, key.objectid);
+ if (!inode) {
+ ret = -EIO;
+ break;
+ }
+ from = ALIGN(i_size_read(inode),
+ root->fs_info->sectorsize);
+ ret = btrfs_drop_extents(wc->trans, root, inode,
+ from, (u64)-1, 1);
+ /*
+ * If the nlink count is zero here, the iput
+ * will free the inode. We bump it to make
+ * sure it doesn't get freed until the link
+ * count fixup is done.
+ */
+ if (!ret) {
+ if (inode->i_nlink == 0)
+ inc_nlink(inode);
+ /* Update link count and nbytes. */
+ ret = btrfs_update_inode(wc->trans,
+ root, inode);
+ }
+ iput(inode);
if (ret)
break;
}
@@ -3432,8 +3462,11 @@
* from this directory and from this transaction
*/
ret = btrfs_next_leaf(root, path);
- if (ret == 1) {
- last_offset = (u64)-1;
+ if (ret) {
+ if (ret == 1)
+ last_offset = (u64)-1;
+ else
+ err = ret;
goto done;
}
btrfs_item_key_to_cpu(path->nodes[0], &tmp, path->slots[0]);
@@ -3885,6 +3918,7 @@
ASSERT(ret == 0);
src = src_path->nodes[0];
i = 0;
+ need_find_last_extent = true;
}
btrfs_item_key_to_cpu(src, &key, i);
@@ -4234,6 +4268,31 @@
num++;
}
+ /*
+ * Add all prealloc extents beyond the inode's i_size to make sure we
+ * don't lose them after doing a fast fsync and replaying the log.
+ */
+ if (inode->flags & BTRFS_INODE_PREALLOC) {
+ struct rb_node *node;
+
+ for (node = rb_last(&tree->map); node; node = rb_prev(node)) {
+ em = rb_entry(node, struct extent_map, rb_node);
+ if (em->start < i_size_read(&inode->vfs_inode))
+ break;
+ if (!list_empty(&em->list))
+ continue;
+ /* Same as above loop. */
+ if (++num > 32768) {
+ list_del_init(&tree->modified_extents);
+ ret = -EFBIG;
+ goto process;
+ }
+ refcount_inc(&em->refs);
+ set_bit(EXTENT_FLAG_LOGGING, &em->flags);
+ list_add_tail(&em->list, &extents);
+ }
+ }
+
list_sort(NULL, &extents, extent_cmp);
btrfs_get_logged_extents(inode, logged_list, logged_start, logged_end);
/*
@@ -5888,7 +5947,7 @@
* this will force the logging code to walk the dentry chain
* up for the file
*/
- if (S_ISREG(inode->vfs_inode.i_mode))
+ if (!S_ISDIR(inode->vfs_inode.i_mode))
inode->last_unlink_trans = trans->transid;
/*
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index e4082af..48ffe72 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -224,6 +224,7 @@
return -ENOMEM;
break;
case Opt_mds_namespace:
+ kfree(fsopt->mds_namespace);
fsopt->mds_namespace = kstrndup(argstr[0].from,
argstr[0].to-argstr[0].from,
GFP_KERNEL);
@@ -231,6 +232,7 @@
return -ENOMEM;
break;
case Opt_fscache_uniq:
+ kfree(fsopt->fscache_uniq);
fsopt->fscache_uniq = kstrndup(argstr[0].from,
argstr[0].to-argstr[0].from,
GFP_KERNEL);
@@ -710,14 +712,17 @@
goto bad_dentry;
ceph_file_cachep = KMEM_CACHE(ceph_file_info, SLAB_MEM_SPREAD);
-
if (!ceph_file_cachep)
goto bad_file;
- if ((error = ceph_fscache_register()))
- goto bad_file;
+ error = ceph_fscache_register();
+ if (error)
+ goto bad_fscache;
return 0;
+
+bad_fscache:
+ kmem_cache_destroy(ceph_file_cachep);
bad_file:
kmem_cache_destroy(ceph_dentry_cachep);
bad_dentry:
@@ -835,7 +840,6 @@
int err;
unsigned long started = jiffies; /* note the start time */
struct dentry *root;
- int first = 0; /* first vfsmount for this super_block */
dout("mount start %p\n", fsc);
mutex_lock(&fsc->client->mount_mutex);
@@ -860,17 +864,17 @@
path = fsc->mount_options->server_path + 1;
dout("mount opening path %s\n", path);
}
+
+ err = ceph_fs_debugfs_init(fsc);
+ if (err < 0)
+ goto out;
+
root = open_root_dentry(fsc, path, started);
if (IS_ERR(root)) {
err = PTR_ERR(root);
goto out;
}
fsc->sb->s_root = dget(root);
- first = 1;
-
- err = ceph_fs_debugfs_init(fsc);
- if (err < 0)
- goto fail;
} else {
root = dget(fsc->sb->s_root);
}
@@ -880,11 +884,6 @@
mutex_unlock(&fsc->client->mount_mutex);
return root;
-fail:
- if (first) {
- dput(fsc->sb->s_root);
- fsc->sb->s_root = NULL;
- }
out:
mutex_unlock(&fsc->client->mount_mutex);
return ERR_PTR(err);
diff --git a/fs/dcache.c b/fs/dcache.c
index 8011791..b88eee4 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1867,6 +1867,28 @@
}
EXPORT_SYMBOL(d_instantiate);
+/*
+ * This should be equivalent to d_instantiate() + unlock_new_inode(),
+ * with lockdep-related part of unlock_new_inode() done before
+ * anything else. Use that instead of open-coding d_instantiate()/
+ * unlock_new_inode() combinations.
+ */
+void d_instantiate_new(struct dentry *entry, struct inode *inode)
+{
+ BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
+ BUG_ON(!inode);
+ lockdep_annotate_inode_mutex_key(inode);
+ security_d_instantiate(entry, inode);
+ spin_lock(&inode->i_lock);
+ __d_instantiate(entry, inode);
+ WARN_ON(!(inode->i_state & I_NEW));
+ inode->i_state &= ~I_NEW;
+ smp_mb();
+ wake_up_bit(&inode->i_state, __I_NEW);
+ spin_unlock(&inode->i_lock);
+}
+EXPORT_SYMBOL(d_instantiate_new);
+
/**
* d_instantiate_no_diralias - instantiate a non-aliased dentry
* @entry: dentry to complete
@@ -2460,7 +2482,7 @@
retry:
rcu_read_lock();
- seq = smp_load_acquire(&parent->d_inode->i_dir_seq) & ~1;
+ seq = smp_load_acquire(&parent->d_inode->i_dir_seq);
r_seq = read_seqbegin(&rename_lock);
dentry = __d_lookup_rcu(parent, name, &d_seq);
if (unlikely(dentry)) {
@@ -2481,8 +2503,14 @@
rcu_read_unlock();
goto retry;
}
+
+ if (unlikely(seq & 1)) {
+ rcu_read_unlock();
+ goto retry;
+ }
+
hlist_bl_lock(b);
- if (unlikely(parent->d_inode->i_dir_seq != seq)) {
+ if (unlikely(READ_ONCE(parent->d_inode->i_dir_seq) != seq)) {
hlist_bl_unlock(b);
rcu_read_unlock();
goto retry;
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index efc2db4..bda65a7 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -284,8 +284,7 @@
iget_failed(ecryptfs_inode);
goto out;
}
- unlock_new_inode(ecryptfs_inode);
- d_instantiate(ecryptfs_dentry, ecryptfs_inode);
+ d_instantiate_new(ecryptfs_dentry, ecryptfs_inode);
out:
return rc;
}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index e078075..aa6ec19 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -41,8 +41,7 @@
{
int err = ext2_add_link(dentry, inode);
if (!err) {
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
}
inode_dec_link_count(inode);
@@ -269,8 +268,7 @@
if (err)
goto out_fail;
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
out:
return err;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5c20f9b..6506dde 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2420,8 +2420,7 @@
int err = ext4_add_entry(handle, dentry, inode);
if (!err) {
ext4_mark_inode_dirty(handle, inode);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
}
drop_nlink(inode);
@@ -2660,8 +2659,7 @@
err = ext4_mark_inode_dirty(handle, dir);
if (err)
goto out_clear_inode;
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bbb5cb5..db56316 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3660,6 +3660,12 @@
ext4_msg(sb, KERN_INFO, "mounting ext2 file system "
"using the ext4 subsystem");
else {
+ /*
+ * If we're probing be silent, if this looks like
+ * it's actually an ext[34] filesystem.
+ */
+ if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb)))
+ goto failed_mount;
ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due "
"to feature incompatibilities");
goto failed_mount;
@@ -3671,6 +3677,12 @@
ext4_msg(sb, KERN_INFO, "mounting ext3 file system "
"using the ext4 subsystem");
else {
+ /*
+ * If we're probing be silent, if this looks like
+ * it's actually an ext4 filesystem.
+ */
+ if (silent && ext4_feature_set_ok(sb, sb_rdonly(sb)))
+ goto failed_mount;
ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due "
"to feature incompatibilities");
goto failed_mount;
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 3a7ed96..75e37fd 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -294,8 +294,7 @@
alloc_nid_done(sbi, ino);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
@@ -597,8 +596,7 @@
err = page_symlink(inode, disk_link.name, disk_link.len);
err_out:
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
/*
* Let's flush symlink data in order to avoid broken symlink as much as
@@ -661,8 +659,7 @@
alloc_nid_done(sbi, inode->i_ino);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
@@ -713,8 +710,7 @@
alloc_nid_done(sbi, inode->i_ino);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
if (IS_DIRSYNC(dir))
f2fs_sync_fs(sbi->sb, 1);
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 0ad3fd3..ae9470f 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -776,6 +776,7 @@
_enter("{OP%x,%d}", op->op.debug_id, atomic_read(&op->op.usage));
+again:
spin_lock(&object->lock);
cookie = object->cookie;
@@ -816,10 +817,6 @@
goto superseded;
page = results[0];
_debug("gang %d [%lx]", n, page->index);
- if (page->index >= op->store_limit) {
- fscache_stat(&fscache_n_store_pages_over_limit);
- goto superseded;
- }
radix_tree_tag_set(&cookie->stores, page->index,
FSCACHE_COOKIE_STORING_TAG);
@@ -829,6 +826,9 @@
spin_unlock(&cookie->stores_lock);
spin_unlock(&object->lock);
+ if (page->index >= op->store_limit)
+ goto discard_page;
+
fscache_stat(&fscache_n_store_pages);
fscache_stat(&fscache_n_cop_write_page);
ret = object->cache->ops->write_page(op, page);
@@ -844,6 +844,11 @@
_leave("");
return;
+discard_page:
+ fscache_stat(&fscache_n_store_pages_over_limit);
+ fscache_end_page_write(object, page);
+ goto again;
+
superseded:
/* this writer is going away and there aren't any more things to
* write */
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 2a29cf3..10f0fac 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -803,7 +803,7 @@
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_alloc_parms ap = { .aflags = 0, };
unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
- loff_t bytes, max_bytes, max_blks = UINT_MAX;
+ loff_t bytes, max_bytes, max_blks;
int error;
const loff_t pos = offset;
const loff_t count = len;
@@ -855,7 +855,8 @@
return error;
/* ap.allowed tells us how many blocks quota will allow
* us to write. Check if this reduces max_blks */
- if (ap.allowed && ap.allowed < max_blks)
+ max_blks = UINT_MAX;
+ if (ap.allowed)
max_blks = ap.allowed;
error = gfs2_inplace_reserve(ip, &ap);
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 5e47c93..836f294 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -45,6 +45,8 @@
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
int ret;
+
+ ap->allowed = UINT_MAX; /* Assume we are permitted a whole lot */
if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 0a754f3..e5a6deb 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -209,8 +209,7 @@
__func__, inode->i_ino, inode->i_mode, inode->i_nlink,
f->inocache->pino_nlink, inode->i_mapping->nrpages);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
fail:
@@ -430,8 +429,7 @@
mutex_unlock(&dir_f->sem);
jffs2_complete_reservation(c);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
fail:
@@ -575,8 +573,7 @@
mutex_unlock(&dir_f->sem);
jffs2_complete_reservation(c);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
fail:
@@ -747,8 +744,7 @@
mutex_unlock(&dir_f->sem);
jffs2_complete_reservation(c);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
fail:
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index b41596d..56c3fcb 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -178,8 +178,7 @@
unlock_new_inode(ip);
iput(ip);
} else {
- unlock_new_inode(ip);
- d_instantiate(dentry, ip);
+ d_instantiate_new(dentry, ip);
}
out2:
@@ -313,8 +312,7 @@
unlock_new_inode(ip);
iput(ip);
} else {
- unlock_new_inode(ip);
- d_instantiate(dentry, ip);
+ d_instantiate_new(dentry, ip);
}
out2:
@@ -1059,8 +1057,7 @@
unlock_new_inode(ip);
iput(ip);
} else {
- unlock_new_inode(ip);
- d_instantiate(dentry, ip);
+ d_instantiate_new(dentry, ip);
}
out2:
@@ -1447,8 +1444,7 @@
unlock_new_inode(ip);
iput(ip);
} else {
- unlock_new_inode(ip);
- d_instantiate(dentry, ip);
+ d_instantiate_new(dentry, ip);
}
out1:
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index e9bea90..fb85d04 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -858,8 +858,10 @@
if (IS_ERR(clp))
return PTR_ERR(clp);
- if (server->nfs_client == clp)
+ if (server->nfs_client == clp) {
+ nfs_put_client(clp);
return -ELOOP;
+ }
/*
* Query for the lease time on clientid setup or renewal
@@ -1217,11 +1219,11 @@
clp->cl_proto, clnt->cl_timeout,
clp->cl_minorversion, net);
clear_bit(NFS_MIG_TSM_POSSIBLE, &server->mig_status);
- nfs_put_client(clp);
if (error != 0) {
nfs_server_insert_lists(server);
return error;
}
+ nfs_put_client(clp);
if (server->nfs_client->cl_hostname == NULL)
server->nfs_client->cl_hostname = kstrdup(hostname, GFP_KERNEL);
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 515d13c..1ba4719 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -46,8 +46,7 @@
int err = nilfs_add_link(dentry, inode);
if (!err) {
- d_instantiate(dentry, inode);
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
return 0;
}
inode_dec_link_count(inode);
@@ -243,8 +242,7 @@
goto out_fail;
nilfs_mark_inode_dirty(inode);
- d_instantiate(dentry, inode);
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
out:
if (!err)
err = nilfs_transaction_commit(dir->i_sb);
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index a2b19fb..6099a80 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -676,20 +676,6 @@
spin_unlock(&dlm->spinlock);
}
-int dlm_shutting_down(struct dlm_ctxt *dlm)
-{
- int ret = 0;
-
- spin_lock(&dlm_domain_lock);
-
- if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
- ret = 1;
-
- spin_unlock(&dlm_domain_lock);
-
- return ret;
-}
-
void dlm_unregister_domain(struct dlm_ctxt *dlm)
{
int leave = 0;
diff --git a/fs/ocfs2/dlm/dlmdomain.h b/fs/ocfs2/dlm/dlmdomain.h
index fd6122a..8a92814 100644
--- a/fs/ocfs2/dlm/dlmdomain.h
+++ b/fs/ocfs2/dlm/dlmdomain.h
@@ -28,7 +28,30 @@
extern spinlock_t dlm_domain_lock;
extern struct list_head dlm_domains;
-int dlm_shutting_down(struct dlm_ctxt *dlm);
+static inline int dlm_joined(struct dlm_ctxt *dlm)
+{
+ int ret = 0;
+
+ spin_lock(&dlm_domain_lock);
+ if (dlm->dlm_state == DLM_CTXT_JOINED)
+ ret = 1;
+ spin_unlock(&dlm_domain_lock);
+
+ return ret;
+}
+
+static inline int dlm_shutting_down(struct dlm_ctxt *dlm)
+{
+ int ret = 0;
+
+ spin_lock(&dlm_domain_lock);
+ if (dlm->dlm_state == DLM_CTXT_IN_SHUTDOWN)
+ ret = 1;
+ spin_unlock(&dlm_domain_lock);
+
+ return ret;
+}
+
void dlm_fire_domain_eviction_callbacks(struct dlm_ctxt *dlm,
int node_num);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index ec8f758..505ab42 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1378,6 +1378,15 @@
if (!dlm_grab(dlm))
return -EINVAL;
+ if (!dlm_joined(dlm)) {
+ mlog(ML_ERROR, "Domain %s not joined! "
+ "lockres %.*s, master %u\n",
+ dlm->name, mres->lockname_len,
+ mres->lockname, mres->master);
+ dlm_put(dlm);
+ return -EINVAL;
+ }
+
BUG_ON(!(mres->flags & (DLM_MRES_RECOVERY|DLM_MRES_MIGRATION)));
real_master = mres->master;
diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c
index 7e9e5d0..f8f3c73 100644
--- a/fs/orangefs/namei.c
+++ b/fs/orangefs/namei.c
@@ -71,8 +71,7 @@
get_khandle_from_ino(inode),
dentry);
- d_instantiate(dentry, inode);
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
orangefs_set_timeout(dentry);
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
@@ -320,8 +319,7 @@
"Assigned symlink inode new number of %pU\n",
get_khandle_from_ino(inode));
- d_instantiate(dentry, inode);
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
orangefs_set_timeout(dentry);
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
@@ -385,8 +383,7 @@
"Assigned dir inode new number of %pU\n",
get_khandle_from_ino(inode));
- d_instantiate(dentry, inode);
- unlock_new_inode(inode);
+ d_instantiate_new(dentry, inode);
orangefs_set_timeout(dentry);
ORANGEFS_I(inode)->getattr_time = jiffies - 1;
ORANGEFS_I(inode)->getattr_mask = STATX_BASIC_STATS;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index c5cbbdf..82ac5f6 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -707,7 +707,10 @@
struct ctl_table *table)
{
bool ret = true;
+
head = sysctl_head_grab(head);
+ if (IS_ERR(head))
+ return false;
if (S_ISLNK(table->mode)) {
/* It is not an error if we can not follow the link ignore it */
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index bd39a99..5089dac 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -687,8 +687,7 @@
reiserfs_update_inode_transaction(inode);
reiserfs_update_inode_transaction(dir);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
retval = journal_end(&th);
out_failed:
@@ -771,8 +770,7 @@
goto out_failed;
}
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
retval = journal_end(&th);
out_failed:
@@ -871,8 +869,7 @@
/* the above add_entry did not update dir's stat data */
reiserfs_update_sd(&th, dir);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
retval = journal_end(&th);
out_failed:
reiserfs_write_unlock(dir->i_sb);
@@ -1187,8 +1184,7 @@
goto out_failed;
}
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
retval = journal_end(&th);
out_failed:
reiserfs_write_unlock(parent_dir->i_sb);
diff --git a/fs/super.c b/fs/super.c
index 4cac2ef..589f919 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -120,13 +120,23 @@
sb = container_of(shrink, struct super_block, s_shrink);
/*
- * Don't call trylock_super as it is a potential
- * scalability bottleneck. The counts could get updated
- * between super_cache_count and super_cache_scan anyway.
- * Call to super_cache_count with shrinker_rwsem held
- * ensures the safety of call to list_lru_shrink_count() and
- * s_op->nr_cached_objects().
+ * We don't call trylock_super() here as it is a scalability bottleneck,
+ * so we're exposed to partial setup state. The shrinker rwsem does not
+ * protect filesystem operations backing list_lru_shrink_count() or
+ * s_op->nr_cached_objects(). Counts can change between
+ * super_cache_count and super_cache_scan, so we really don't need locks
+ * here.
+ *
+ * However, if we are currently mounting the superblock, the underlying
+ * filesystem might be in a state of partial construction and hence it
+ * is dangerous to access it. trylock_super() uses a SB_BORN check to
+ * avoid this situation, so do the same here. The memory barrier is
+ * matched with the one in mount_fs() as we don't hold locks here.
*/
+ if (!(sb->s_flags & SB_BORN))
+ return 0;
+ smp_rmb();
+
if (sb->s_op && sb->s_op->nr_cached_objects)
total_objects = sb->s_op->nr_cached_objects(sb, sc);
@@ -1250,6 +1260,14 @@
sb = root->d_sb;
BUG_ON(!sb);
WARN_ON(!sb->s_bdi);
+
+ /*
+ * Write barrier is for super_cache_count(). We place it before setting
+ * SB_BORN as the data dependency between the two functions is the
+ * superblock structure contents that we just set up, not the SB_BORN
+ * flag.
+ */
+ smp_wmb();
sb->s_flags |= SB_BORN;
error = security_sb_kern_mount(sb, flags, secdata);
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 885198d..041bf34 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -621,8 +621,7 @@
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
}
@@ -732,8 +731,7 @@
inc_nlink(dir);
dir->i_ctime = dir->i_mtime = current_time(dir);
mark_inode_dirty(dir);
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 08bf097..9b0d656 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2091,8 +2091,9 @@
bool lvid_open = false;
uopt.flags = (1 << UDF_FLAG_USE_AD_IN_ICB) | (1 << UDF_FLAG_STRICT);
- uopt.uid = INVALID_UID;
- uopt.gid = INVALID_GID;
+ /* By default we'll use overflow[ug]id when UDF inode [ug]id == -1 */
+ uopt.uid = make_kuid(current_user_ns(), overflowuid);
+ uopt.gid = make_kgid(current_user_ns(), overflowgid);
uopt.umask = 0;
uopt.fmode = UDF_INVALID_MODE;
uopt.dmode = UDF_INVALID_MODE;
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 32545cd..d5f43ba 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -39,8 +39,7 @@
{
int err = ufs_add_link(dentry, inode);
if (!err) {
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
}
inode_dec_link_count(inode);
@@ -193,8 +192,7 @@
if (err)
goto out_fail;
- unlock_new_inode(inode);
- d_instantiate(dentry, inode);
+ d_instantiate_new(dentry, inode);
return 0;
out_fail:
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index b2cde54..7b68e6c 100644
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -50,6 +50,13 @@
pag = xfs_perag_get(mp, agno);
+ /*
+ * Force out the log. This means any transactions that might have freed
+ * space before we take the AGF buffer lock are now on disk, and the
+ * volatile disk cache is flushed.
+ */
+ xfs_log_force(mp, XFS_LOG_SYNC);
+
error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp);
if (error || !agbp)
goto out_put_perag;
@@ -57,13 +64,6 @@
cur = xfs_allocbt_init_cursor(mp, NULL, agbp, agno, XFS_BTNUM_CNT);
/*
- * Force out the log. This means any transactions that might have freed
- * space before we took the AGF buffer lock are now on disk, and the
- * volatile disk cache is flushed.
- */
- xfs_log_force(mp, XFS_LOG_SYNC);
-
- /*
* Look up the longest btree in the AGF and start with it.
*/
error = xfs_alloc_lookup_ge(cur, 0,
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index af2cc94..ae1a33a 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -50,6 +50,7 @@
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+ barrier_before_unreachable(); \
panic("BUG!"); \
} while (0)
#endif
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 45f00dd..5aa40f4 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -501,6 +501,7 @@
extern struct bio_vec *bvec_alloc(gfp_t, int, unsigned long *, mempool_t *);
extern void bvec_free(mempool_t *, struct bio_vec *, unsigned int);
extern unsigned int bvec_nr_vecs(unsigned short idx);
+extern const char *bio_devname(struct bio *bio, char *buffer);
#define bio_set_dev(bio, bdev) \
do { \
@@ -519,9 +520,6 @@
#define bio_dev(bio) \
disk_devt((bio)->bi_disk)
-#define bio_devname(bio, buf) \
- __bdevname(bio_dev(bio), (buf))
-
#ifdef CONFIG_BLK_CGROUP
int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css);
int bio_associate_current(struct bio *bio);
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index b78b31a..f43113b 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -212,6 +212,15 @@
#endif
/*
+ * calling noreturn functions, __builtin_unreachable() and __builtin_trap()
+ * confuse the stack allocation in gcc, leading to overly large stack
+ * frames, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82365
+ *
+ * Adding an empty inline assembly before it works around the problem
+ */
+#define barrier_before_unreachable() asm volatile("")
+
+/*
* Mark a position in code as unreachable. This can be used to
* suppress control flow warnings after asm blocks that transfer
* control elsewhere.
@@ -221,7 +230,11 @@
* unreleased. Really, we need to have autoconf for the kernel.
*/
#define unreachable() \
- do { annotate_unreachable(); __builtin_unreachable(); } while (0)
+ do { \
+ annotate_unreachable(); \
+ barrier_before_unreachable(); \
+ __builtin_unreachable(); \
+ } while (0)
/* Mark a function definition as prohibited from being cloned. */
#define __noclone __attribute__((__noclone__, __optimize__("no-tracer")))
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index e8c9cd1..853929f9 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -86,6 +86,11 @@
# define barrier_data(ptr) barrier()
#endif
+/* workaround for GCC PR82365 if needed */
+#ifndef barrier_before_unreachable
+# define barrier_before_unreachable() do { } while (0)
+#endif
+
/* Unreachable code */
#ifdef CONFIG_STACK_VALIDATION
#define annotate_reachable() ({ \
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index d8fcc02..e79b7ba 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -227,6 +227,7 @@
* These are the low-level FS interfaces to the dcache..
*/
extern void d_instantiate(struct dentry *, struct inode *);
+extern void d_instantiate_new(struct dentry *, struct inode *);
extern struct dentry * d_instantiate_unique(struct dentry *, struct inode *);
extern int d_instantiate_no_diralias(struct dentry *, struct inode *);
extern void __d_drop(struct dentry *dentry);
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index ab92738..87b8c20 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -300,6 +300,55 @@
}
/**
+ * __vlan_insert_inner_tag - inner VLAN tag inserting
+ * @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
+ * @vlan_tci: VLAN TCI to insert
+ * @mac_len: MAC header length including outer vlan headers
+ *
+ * Inserts the VLAN tag into @skb as part of the payload at offset mac_len
+ * Returns error if skb_cow_head failes.
+ *
+ * Does not change skb->protocol so this function can be used during receive.
+ */
+static inline int __vlan_insert_inner_tag(struct sk_buff *skb,
+ __be16 vlan_proto, u16 vlan_tci,
+ unsigned int mac_len)
+{
+ struct vlan_ethhdr *veth;
+
+ if (skb_cow_head(skb, VLAN_HLEN) < 0)
+ return -ENOMEM;
+
+ skb_push(skb, VLAN_HLEN);
+
+ /* Move the mac header sans proto to the beginning of the new header. */
+ if (likely(mac_len > ETH_TLEN))
+ memmove(skb->data, skb->data + VLAN_HLEN, mac_len - ETH_TLEN);
+ skb->mac_header -= VLAN_HLEN;
+
+ veth = (struct vlan_ethhdr *)(skb->data + mac_len - ETH_HLEN);
+
+ /* first, the ethernet type */
+ if (likely(mac_len >= ETH_TLEN)) {
+ /* h_vlan_encapsulated_proto should already be populated, and
+ * skb->data has space for h_vlan_proto
+ */
+ veth->h_vlan_proto = vlan_proto;
+ } else {
+ /* h_vlan_encapsulated_proto should not be populated, and
+ * skb->data has no space for h_vlan_proto
+ */
+ veth->h_vlan_encapsulated_proto = skb->protocol;
+ }
+
+ /* now, the TCI */
+ veth->h_vlan_TCI = htons(vlan_tci);
+
+ return 0;
+}
+
+/**
* __vlan_insert_tag - regular VLAN tag inserting
* @skb: skbuff to tag
* @vlan_proto: VLAN encapsulation protocol
@@ -313,24 +362,37 @@
static inline int __vlan_insert_tag(struct sk_buff *skb,
__be16 vlan_proto, u16 vlan_tci)
{
- struct vlan_ethhdr *veth;
+ return __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, ETH_HLEN);
+}
- if (skb_cow_head(skb, VLAN_HLEN) < 0)
- return -ENOMEM;
+/**
+ * vlan_insert_inner_tag - inner VLAN tag inserting
+ * @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
+ * @vlan_tci: VLAN TCI to insert
+ * @mac_len: MAC header length including outer vlan headers
+ *
+ * Inserts the VLAN tag into @skb as part of the payload at offset mac_len
+ * Returns a VLAN tagged skb. If a new skb is created, @skb is freed.
+ *
+ * Following the skb_unshare() example, in case of error, the calling function
+ * doesn't have to worry about freeing the original skb.
+ *
+ * Does not change skb->protocol so this function can be used during receive.
+ */
+static inline struct sk_buff *vlan_insert_inner_tag(struct sk_buff *skb,
+ __be16 vlan_proto,
+ u16 vlan_tci,
+ unsigned int mac_len)
+{
+ int err;
- veth = skb_push(skb, VLAN_HLEN);
-
- /* Move the mac addresses to the beginning of the new header. */
- memmove(skb->data, skb->data + VLAN_HLEN, 2 * ETH_ALEN);
- skb->mac_header -= VLAN_HLEN;
-
- /* first, the ethernet type */
- veth->h_vlan_proto = vlan_proto;
-
- /* now, the TCI */
- veth->h_vlan_TCI = htons(vlan_tci);
-
- return 0;
+ err = __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, mac_len);
+ if (err) {
+ dev_kfree_skb_any(skb);
+ return NULL;
+ }
+ return skb;
}
/**
@@ -350,14 +412,7 @@
static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb,
__be16 vlan_proto, u16 vlan_tci)
{
- int err;
-
- err = __vlan_insert_tag(skb, vlan_proto, vlan_tci);
- if (err) {
- dev_kfree_skb_any(skb);
- return NULL;
- }
- return skb;
+ return vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, ETH_HLEN);
}
/**
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 5a8019b..39f0489 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1104,7 +1104,6 @@
{
}
#endif
-void kvm_arch_irq_routing_update(struct kvm *kvm);
static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
{
@@ -1113,6 +1112,8 @@
#endif /* CONFIG_HAVE_KVM_EVENTFD */
+void kvm_arch_irq_routing_update(struct kvm *kvm);
+
static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
{
/*
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index 35d1255..e8b12b7 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -450,7 +450,7 @@
*/
static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp)
{
- if (size * sizeof(void *) > KMALLOC_MAX_SIZE)
+ if (size > KMALLOC_MAX_SIZE / sizeof(void *))
return NULL;
return kvmalloc_array(size, sizeof(void *), gfp | __GFP_ZERO);
}
diff --git a/include/net/ip.h b/include/net/ip.h
index af8addb..81da112 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -326,6 +326,13 @@
return --iph->ttl;
}
+static inline int ip_mtu_locked(const struct dst_entry *dst)
+{
+ const struct rtable *rt = (const struct rtable *)dst;
+
+ return rt->rt_mtu_locked || dst_metric_locked(dst, RTAX_MTU);
+}
+
static inline
int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)
{
@@ -333,7 +340,7 @@
return pmtudisc == IP_PMTUDISC_DO ||
(pmtudisc == IP_PMTUDISC_WANT &&
- !(dst_metric_locked(dst, RTAX_MTU)));
+ !ip_mtu_locked(dst));
}
static inline bool ip_sk_accept_pmtu(const struct sock *sk)
@@ -359,7 +366,7 @@
struct net *net = dev_net(dst->dev);
if (net->ipv4.sysctl_ip_fwd_use_pmtu ||
- dst_metric_locked(dst, RTAX_MTU) ||
+ ip_mtu_locked(dst) ||
!forwarding)
return dst_mtu(dst);
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 1a7f7e4..5c5d344 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -59,6 +59,7 @@
int fnhe_genid;
__be32 fnhe_daddr;
u32 fnhe_pmtu;
+ bool fnhe_mtu_locked;
__be32 fnhe_gw;
unsigned long fnhe_expires;
struct rtable __rcu *fnhe_rth_input;
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index ea985aa..df528a6 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.h
@@ -104,7 +104,7 @@
/* Access to a connection */
int llc_conn_state_process(struct sock *sk, struct sk_buff *skb);
-void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
+int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit);
void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4f1d2de..87b62ba 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4141,7 +4141,7 @@
* The TX headroom reserved by mac80211 for its own tx_status functions.
* This is enough for the radiotap header.
*/
-#define IEEE80211_TX_STATUS_HEADROOM 14
+#define IEEE80211_TX_STATUS_HEADROOM ALIGN(14, 4)
/**
* ieee80211_sta_set_buffered - inform mac80211 about driver-buffered frames
diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index ebc5a2e..f83cacc 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -78,7 +78,7 @@
int wiphy_idx;
enum nl80211_reg_initiator initiator;
enum nl80211_user_reg_hint_type user_reg_hint_type;
- char alpha2[2];
+ char alpha2[3];
enum nl80211_dfs_regions dfs_region;
bool intersect;
bool processed;
diff --git a/include/net/route.h b/include/net/route.h
index d538e6d..6077a0f 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -63,7 +63,8 @@
__be32 rt_gateway;
/* Miscellaneous cached information */
- u32 rt_pmtu;
+ u32 rt_mtu_locked:1,
+ rt_pmtu:31;
u32 rt_table_id;
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 23159dd..a1fd638 100644
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -48,7 +48,6 @@
int writable;
int hugetlb;
struct work_struct work;
- struct pid *pid;
struct mm_struct *mm;
unsigned long diff;
struct ib_umem_odp *odp_data;
diff --git a/include/soc/arc/mcip.h b/include/soc/arc/mcip.h
index c2d1b15..a91f251 100644
--- a/include/soc/arc/mcip.h
+++ b/include/soc/arc/mcip.h
@@ -15,6 +15,7 @@
#define ARC_REG_MCIP_BCR 0x0d0
#define ARC_REG_MCIP_IDU_BCR 0x0D5
+#define ARC_REG_GFRC_BUILD 0x0D6
#define ARC_REG_MCIP_CMD 0x600
#define ARC_REG_MCIP_WDATA 0x601
#define ARC_REG_MCIP_READBACK 0x602
@@ -36,10 +37,14 @@
#define CMD_SEMA_RELEASE 0x12
#define CMD_DEBUG_SET_MASK 0x34
+#define CMD_DEBUG_READ_MASK 0x35
#define CMD_DEBUG_SET_SELECT 0x36
+#define CMD_DEBUG_READ_SELECT 0x37
#define CMD_GFRC_READ_LO 0x42
#define CMD_GFRC_READ_HI 0x43
+#define CMD_GFRC_SET_CORE 0x47
+#define CMD_GFRC_READ_CORE 0x48
#define CMD_IDU_ENABLE 0x71
#define CMD_IDU_DISABLE 0x72
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index 91a31ff..9a781f0 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -63,6 +63,7 @@
};
#define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */
+#define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */
struct drm_virtgpu_getparam {
__u64 param;
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index 3ee3bf7..244e321 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -30,6 +30,7 @@
*/
#define ETH_ALEN 6 /* Octets in one ethernet addr */
+#define ETH_TLEN 2 /* Octets in ethernet type field */
#define ETH_HLEN 14 /* Total octets in header. */
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
diff --git a/ipc/shm.c b/ipc/shm.c
index a9cce63..44cca25 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1309,14 +1309,17 @@
if (addr) {
if (addr & (shmlba - 1)) {
- /*
- * Round down to the nearest multiple of shmlba.
- * For sane do_mmap_pgoff() parameters, avoid
- * round downs that trigger nil-page and MAP_FIXED.
- */
- if ((shmflg & SHM_RND) && addr >= shmlba)
- addr &= ~(shmlba - 1);
- else
+ if (shmflg & SHM_RND) {
+ addr &= ~(shmlba - 1); /* round down */
+
+ /*
+ * Ensure that the round-down is non-nil
+ * when remapping. This can happen for
+ * cases when addr < shmlba.
+ */
+ if (!addr && (shmflg & SHM_REMAP))
+ goto out;
+ } else
#ifndef __ARCH_FORCE_SHMLBA
if (addr & ~PAGE_MASK)
#endif
diff --git a/kernel/audit.c b/kernel/audit.c
index 5b34d31..d301276 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1058,6 +1058,8 @@
return;
ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_FEATURE_CHANGE);
+ if (!ab)
+ return;
audit_log_task_info(ab, current);
audit_log_format(ab, " feature=%s old=%u new=%u old_lock=%u new_lock=%u res=%d",
audit_feature_names[which], !!old_feature, !!new_feature,
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index c8146d5..07aefa8 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1566,6 +1566,7 @@
int symbolic = 0;
int valid = 0;
int phys = 0;
+ int raw = 0;
kdbgetintenv("MDCOUNT", &mdcount);
kdbgetintenv("RADIX", &radix);
@@ -1575,9 +1576,10 @@
repeat = mdcount * 16 / bytesperword;
if (strcmp(argv[0], "mdr") == 0) {
- if (argc != 2)
+ if (argc == 2 || (argc == 0 && last_addr != 0))
+ valid = raw = 1;
+ else
return KDB_ARGCOUNT;
- valid = 1;
} else if (isdigit(argv[0][2])) {
bytesperword = (int)(argv[0][2] - '0');
if (bytesperword == 0) {
@@ -1613,7 +1615,10 @@
radix = last_radix;
bytesperword = last_bytesperword;
repeat = last_repeat;
- mdcount = ((repeat * bytesperword) + 15) / 16;
+ if (raw)
+ mdcount = repeat;
+ else
+ mdcount = ((repeat * bytesperword) + 15) / 16;
}
if (argc) {
@@ -1630,7 +1635,10 @@
diag = kdbgetularg(argv[nextarg], &val);
if (!diag) {
mdcount = (int) val;
- repeat = mdcount * 16 / bytesperword;
+ if (raw)
+ repeat = mdcount;
+ else
+ repeat = mdcount * 16 / bytesperword;
}
}
if (argc >= nextarg+1) {
@@ -1640,8 +1648,15 @@
}
}
- if (strcmp(argv[0], "mdr") == 0)
- return kdb_mdr(addr, mdcount);
+ if (strcmp(argv[0], "mdr") == 0) {
+ int ret;
+ last_addr = addr;
+ ret = kdb_mdr(addr, mdcount);
+ last_addr += mdcount;
+ last_repeat = mdcount;
+ last_bytesperword = bytesperword; // to make REPEAT happy
+ return ret;
+ }
switch (radix) {
case 10:
diff --git a/kernel/events/core.c b/kernel/events/core.c
index c1b3d23..9069886 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -647,9 +647,15 @@
static inline void update_cgrp_time_from_cpuctx(struct perf_cpu_context *cpuctx)
{
- struct perf_cgroup *cgrp_out = cpuctx->cgrp;
- if (cgrp_out)
- __update_cgrp_time(cgrp_out);
+ struct perf_cgroup *cgrp = cpuctx->cgrp;
+ struct cgroup_subsys_state *css;
+
+ if (cgrp) {
+ for (css = &cgrp->css; css; css = css->parent) {
+ cgrp = container_of(css, struct perf_cgroup, css);
+ __update_cgrp_time(cgrp);
+ }
+ }
}
static inline void update_cgrp_time_from_event(struct perf_event *event)
@@ -677,6 +683,7 @@
{
struct perf_cgroup *cgrp;
struct perf_cgroup_info *info;
+ struct cgroup_subsys_state *css;
/*
* ctx->lock held by caller
@@ -687,8 +694,12 @@
return;
cgrp = perf_cgroup_from_task(task, ctx);
- info = this_cpu_ptr(cgrp->info);
- info->timestamp = ctx->timestamp;
+
+ for (css = &cgrp->css; css; css = css->parent) {
+ cgrp = container_of(css, struct perf_cgroup, css);
+ info = this_cpu_ptr(cgrp->info);
+ info->timestamp = ctx->timestamp;
+ }
}
static DEFINE_PER_CPU(struct list_head, cgrp_cpuctx_list);
@@ -894,27 +905,39 @@
if (!is_cgroup_event(event))
return;
- if (add && ctx->nr_cgroups++)
- return;
- else if (!add && --ctx->nr_cgroups)
- return;
/*
* Because cgroup events are always per-cpu events,
* this will always be called from the right CPU.
*/
cpuctx = __get_cpu_context(ctx);
- cpuctx_entry = &cpuctx->cgrp_cpuctx_entry;
- /* cpuctx->cgrp is NULL unless a cgroup event is active in this CPU .*/
- if (add) {
+
+ /*
+ * Since setting cpuctx->cgrp is conditional on the current @cgrp
+ * matching the event's cgroup, we must do this for every new event,
+ * because if the first would mismatch, the second would not try again
+ * and we would leave cpuctx->cgrp unset.
+ */
+ if (add && !cpuctx->cgrp) {
struct perf_cgroup *cgrp = perf_cgroup_from_task(current, ctx);
- list_add(cpuctx_entry, this_cpu_ptr(&cgrp_cpuctx_list));
if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup))
cpuctx->cgrp = cgrp;
- } else {
- list_del(cpuctx_entry);
- cpuctx->cgrp = NULL;
}
+
+ if (add && ctx->nr_cgroups++)
+ return;
+ else if (!add && --ctx->nr_cgroups)
+ return;
+
+ /* no cgroup running */
+ if (!add)
+ cpuctx->cgrp = NULL;
+
+ cpuctx_entry = &cpuctx->cgrp_cpuctx_entry;
+ if (add)
+ list_add(cpuctx_entry, this_cpu_ptr(&cgrp_cpuctx_list));
+ else
+ list_del(cpuctx_entry);
}
#else /* !CONFIG_CGROUP_PERF */
@@ -2398,6 +2421,18 @@
raw_spin_lock(&task_ctx->lock);
}
+#ifdef CONFIG_CGROUP_PERF
+ if (is_cgroup_event(event)) {
+ /*
+ * If the current cgroup doesn't match the event's
+ * cgroup, we should not try to schedule it.
+ */
+ struct perf_cgroup *cgrp = perf_cgroup_from_task(current, ctx);
+ reprogram = cgroup_is_descendant(cgrp->css.cgroup,
+ event->cgrp->css.cgroup);
+ }
+#endif
+
if (reprogram) {
ctx_sched_out(ctx, cpuctx, EVENT_TIME);
add_event_to_ctx(event, ctx);
@@ -5807,7 +5842,8 @@
if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
values[n++] = running;
- if (leader != event)
+ if ((leader != event) &&
+ (leader->state == PERF_EVENT_STATE_ACTIVE))
leader->pmu->read(leader);
values[n++] = perf_event_count(leader);
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index fed95fa..8b3102d 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -559,8 +559,14 @@
}
t = list_entry(rnp->gp_tasks->prev,
struct task_struct, rcu_node_entry);
- list_for_each_entry_continue(t, &rnp->blkd_tasks, rcu_node_entry)
+ list_for_each_entry_continue(t, &rnp->blkd_tasks, rcu_node_entry) {
+ /*
+ * We could be printing a lot while holding a spinlock.
+ * Avoid triggering hard lockup.
+ */
+ touch_nmi_watchdog();
sched_show_task(t);
+ }
raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
}
@@ -1677,6 +1683,12 @@
char *ticks_title;
unsigned long ticks_value;
+ /*
+ * We could be printing a lot while holding a spinlock. Avoid
+ * triggering hard lockup.
+ */
+ touch_nmi_watchdog();
+
if (rsp->gpnum == rdp->gpnum) {
ticks_title = "ticks this GP";
ticks_value = rdp->ticks_this_gp;
diff --git a/kernel/relay.c b/kernel/relay.c
index 55da824..1537158 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -163,7 +163,7 @@
{
struct rchan_buf *buf;
- if (chan->n_subbufs > UINT_MAX / sizeof(size_t *))
+ if (chan->n_subbufs > KMALLOC_MAX_SIZE / sizeof(size_t *))
return NULL;
buf = kzalloc(sizeof(struct rchan_buf), GFP_KERNEL);
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index c2e40ca..566ffec 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -845,6 +845,8 @@
continue;
raw_spin_lock(&rq->lock);
+ update_rq_clock(rq);
+
if (rt_rq->rt_time) {
u64 runtime;
diff --git a/kernel/sys.c b/kernel/sys.c
index 5f72dd5..913990b 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1397,6 +1397,7 @@
if (resource >= RLIM_NLIMITS)
return -EINVAL;
+ resource = array_index_nospec(resource, RLIM_NLIMITS);
task_lock(current->group_leader);
x = current->signal->rlim[resource];
task_unlock(current->group_leader);
@@ -1416,6 +1417,7 @@
if (resource >= RLIM_NLIMITS)
return -EINVAL;
+ resource = array_index_nospec(resource, RLIM_NLIMITS);
task_lock(current->group_leader);
r = current->signal->rlim[resource];
task_unlock(current->group_leader);
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index d0c6b50..d8a7f89 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5350,7 +5350,7 @@
ret = device_register(&wq_dev->dev);
if (ret) {
- kfree(wq_dev);
+ put_device(&wq_dev->dev);
wq->wq_dev = NULL;
return ret;
}
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 70d6778..d172f03 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -2037,10 +2037,12 @@
unsigned long index, void *item)
{
struct radix_tree_node *node = NULL;
- void __rcu **slot;
+ void __rcu **slot = NULL;
void *entry;
entry = __radix_tree_lookup(root, index, &node, &slot);
+ if (!slot)
+ return NULL;
if (!entry && (!is_idr(root) || node_tag_get(root, node, IDR_FREE,
get_slot_offset(node, slot))))
return NULL;
diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index fba78d25..96c304f 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -1149,7 +1149,7 @@
mutex_lock(®_dev_mutex);
/* int should suffice for number of devices, test for wrap */
- if (unlikely(num_test_devs + 1) < 0) {
+ if (num_test_devs + 1 == INT_MAX) {
pr_err("reached limit of number of test devices\n");
goto out;
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index a403d29..e774898 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -555,7 +555,8 @@
VM_BUG_ON_PAGE(!PageCompound(page), page);
- if (mem_cgroup_try_charge(page, vma->vm_mm, gfp, &memcg, true)) {
+ if (mem_cgroup_try_charge(page, vma->vm_mm, gfp | __GFP_NORETRY, &memcg,
+ true)) {
put_page(page);
count_vm_event(THP_FAULT_FALLBACK);
return VM_FAULT_FALLBACK;
@@ -1304,7 +1305,7 @@
}
if (unlikely(mem_cgroup_try_charge(new_page, vma->vm_mm,
- huge_gfp, &memcg, true))) {
+ huge_gfp | __GFP_NORETRY, &memcg, true))) {
put_page(new_page);
split_huge_pmd(vma, vmf->pmd, vmf->address);
if (page)
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
index 6f319fb..d90f29a 100644
--- a/mm/kasan/kasan.c
+++ b/mm/kasan/kasan.c
@@ -737,6 +737,40 @@
EXPORT_SYMBOL(__asan_unpoison_stack_memory);
#ifdef CONFIG_MEMORY_HOTPLUG
+static bool shadow_mapped(unsigned long addr)
+{
+ pgd_t *pgd = pgd_offset_k(addr);
+ p4d_t *p4d;
+ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte;
+
+ if (pgd_none(*pgd))
+ return false;
+ p4d = p4d_offset(pgd, addr);
+ if (p4d_none(*p4d))
+ return false;
+ pud = pud_offset(p4d, addr);
+ if (pud_none(*pud))
+ return false;
+
+ /*
+ * We can't use pud_large() or pud_huge(), the first one is
+ * arch-specific, the last one depends on HUGETLB_PAGE. So let's abuse
+ * pud_bad(), if pud is bad then it's bad because it's huge.
+ */
+ if (pud_bad(*pud))
+ return true;
+ pmd = pmd_offset(pud, addr);
+ if (pmd_none(*pmd))
+ return false;
+
+ if (pmd_bad(*pmd))
+ return true;
+ pte = pte_offset_kernel(pmd, addr);
+ return !pte_none(*pte);
+}
+
static int __meminit kasan_mem_notifier(struct notifier_block *nb,
unsigned long action, void *data)
{
@@ -758,6 +792,14 @@
case MEM_GOING_ONLINE: {
void *ret;
+ /*
+ * If shadow is mapped already than it must have been mapped
+ * during the boot. This could happen if we onlining previously
+ * offlined memory.
+ */
+ if (shadow_mapped(shadow_start))
+ return NOTIFY_OK;
+
ret = __vmalloc_node_range(shadow_size, PAGE_SIZE, shadow_start,
shadow_end, GFP_KERNEL,
PAGE_KERNEL, VM_NO_GUARD,
@@ -769,8 +811,26 @@
kmemleak_ignore(ret);
return NOTIFY_OK;
}
- case MEM_OFFLINE:
- vfree((void *)shadow_start);
+ case MEM_CANCEL_ONLINE:
+ case MEM_OFFLINE: {
+ struct vm_struct *vm;
+
+ /*
+ * shadow_start was either mapped during boot by kasan_init()
+ * or during memory online by __vmalloc_node_range().
+ * In the latter case we can use vfree() to free shadow.
+ * Non-NULL result of the find_vm_area() will tell us if
+ * that was the second case.
+ *
+ * Currently it's not possible to free shadow mapped
+ * during boot by kasan_init(). It's because the code
+ * to do that hasn't been written yet. So we'll just
+ * leak the memory.
+ */
+ vm = find_vm_area((void *)shadow_start);
+ if (vm)
+ vfree((void *)shadow_start);
+ }
}
return NOTIFY_OK;
@@ -783,5 +843,5 @@
return 0;
}
-module_init(kasan_memhotplug_init);
+core_initcall(kasan_memhotplug_init);
#endif
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 2922160..0a5bb3e 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -965,7 +965,9 @@
goto out_nolock;
}
- if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp, &memcg, true))) {
+ /* Do not oom kill for khugepaged charges */
+ if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp | __GFP_NORETRY,
+ &memcg, true))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out_nolock;
}
@@ -1324,7 +1326,9 @@
goto out;
}
- if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp, &memcg, true))) {
+ /* Do not oom kill for khugepaged charges */
+ if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp | __GFP_NORETRY,
+ &memcg, true))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out;
}
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index bd1374f..d9e0be2 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1658,8 +1658,7 @@
}
/*
- * Stop the automatic memory scanning thread. This function must be called
- * with the scan_mutex held.
+ * Stop the automatic memory scanning thread.
*/
static void stop_scan_thread(void)
{
@@ -1922,12 +1921,15 @@
{
stop_scan_thread();
+ mutex_lock(&scan_mutex);
/*
- * Once the scan thread has stopped, it is safe to no longer track
- * object freeing. Ordering of the scan thread stopping and the memory
- * accesses below is guaranteed by the kthread_stop() function.
+ * Once it is made sure that kmemleak_scan has stopped, it is safe to no
+ * longer track object freeing. Ordering of the scan thread stopping and
+ * the memory accesses below is guaranteed by the kthread_stop()
+ * function.
*/
kmemleak_free_enabled = 0;
+ mutex_unlock(&scan_mutex);
if (!kmemleak_found_leaks)
__kmemleak_do_cleanup();
diff --git a/mm/ksm.c b/mm/ksm.c
index 5b6be9e..fdc8746 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2085,8 +2085,22 @@
tree_rmap_item =
unstable_tree_search_insert(rmap_item, page, &tree_page);
if (tree_rmap_item) {
+ bool split;
+
kpage = try_to_merge_two_pages(rmap_item, page,
tree_rmap_item, tree_page);
+ /*
+ * If both pages we tried to merge belong to the same compound
+ * page, then we actually ended up increasing the reference
+ * count of the same compound page twice, and split_huge_page
+ * failed.
+ * Here we set a flag if that happened, and we use it later to
+ * try split_huge_page again. Since we call put_page right
+ * afterwards, the reference count will be correct and
+ * split_huge_page should succeed.
+ */
+ split = PageTransCompound(page)
+ && compound_head(page) == compound_head(tree_page);
put_page(tree_page);
if (kpage) {
/*
@@ -2113,6 +2127,20 @@
break_cow(tree_rmap_item);
break_cow(rmap_item);
}
+ } else if (split) {
+ /*
+ * We are here if we tried to merge two pages and
+ * failed because they both belonged to the same
+ * compound page. We will split the page now, but no
+ * merging will take place.
+ * We do not want to add the cost of a full lock; if
+ * the page is locked, it is better to skip it and
+ * perhaps try again later.
+ */
+ if (!trylock_page(page))
+ return;
+ split_huge_page(page);
+ unlock_page(page);
}
}
}
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 1d916bc..aa169bf 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2129,6 +2129,9 @@
case MPOL_INTERLEAVE:
return !!nodes_equal(a->v.nodes, b->v.nodes);
case MPOL_PREFERRED:
+ /* a's ->flags is the same as b's */
+ if (a->flags & MPOL_F_LOCAL)
+ return true;
return a->v.preferred_node == b->v.preferred_node;
default:
BUG();
diff --git a/mm/page_idle.c b/mm/page_idle.c
index 0a49374..e412a63 100644
--- a/mm/page_idle.c
+++ b/mm/page_idle.c
@@ -65,11 +65,15 @@
while (page_vma_mapped_walk(&pvmw)) {
addr = pvmw.address;
if (pvmw.pte) {
- referenced = ptep_clear_young_notify(vma, addr,
- pvmw.pte);
+ /*
+ * For PTE-mapped THP, one sub page is referenced,
+ * the whole THP is referenced.
+ */
+ if (ptep_clear_young_notify(vma, addr, pvmw.pte))
+ referenced = true;
} else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
- referenced = pmdp_clear_young_notify(vma, addr,
- pvmw.pmd);
+ if (pmdp_clear_young_notify(vma, addr, pvmw.pmd))
+ referenced = true;
} else {
/* unexpected pmd-mapped page? */
WARN_ON_ONCE(1);
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 4f44b95..a71fe4c 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -123,13 +123,13 @@
static inline bool check_recursive_alloc(struct stack_trace *trace,
unsigned long ip)
{
- int i, count;
+ int i;
if (!trace->nr_entries)
return false;
- for (i = 0, count = 0; i < trace->nr_entries; i++) {
- if (trace->entries[i] == ip && ++count == 2)
+ for (i = 0; i < trace->nr_entries; i++) {
+ if (trace->entries[i] == ip)
return true;
}
diff --git a/mm/slab.c b/mm/slab.c
index 1bfc3d8..198c1e2 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1283,6 +1283,7 @@
nr_node_ids * sizeof(struct kmem_cache_node *),
SLAB_HWCACHE_ALIGN);
list_add(&kmem_cache->list, &slab_caches);
+ memcg_link_cache(kmem_cache);
slab_state = PARTIAL;
/*
diff --git a/mm/swapfile.c b/mm/swapfile.c
index e47a21e..03d2ce2 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2954,6 +2954,10 @@
maxpages = swp_offset(pte_to_swp_entry(
swp_entry_to_pte(swp_entry(0, ~0UL)))) + 1;
last_page = swap_header->info.last_page;
+ if (!last_page) {
+ pr_warn("Empty swap-file\n");
+ return 0;
+ }
if (last_page > maxpages) {
pr_warn("Truncating oversized swap area, only using %luk out of %luk\n",
maxpages << (PAGE_SHIFT - 10),
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b3f5e33..1a58146 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3961,7 +3961,13 @@
*/
int page_evictable(struct page *page)
{
- return !mapping_unevictable(page_mapping(page)) && !PageMlocked(page);
+ int ret;
+
+ /* Prevent address_space of inode and swap cache from being freed */
+ rcu_read_lock();
+ ret = !mapping_unevictable(page_mapping(page)) && !PageMlocked(page);
+ rcu_read_unlock();
+ return ret;
}
#ifdef CONFIG_SHMEM
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 4bb13e7..e085b13 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1770,9 +1770,11 @@
* to occur in the future. Keep on running the
* update worker thread.
*/
+ preempt_disable();
queue_delayed_work_on(smp_processor_id(), mm_percpu_wq,
this_cpu_ptr(&vmstat_work),
round_jiffies_relative(sysctl_stat_interval));
+ preempt_enable();
}
}
diff --git a/mm/z3fold.c b/mm/z3fold.c
index ddfb20c..f33403d 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -469,6 +469,8 @@
spin_lock_init(&pool->lock);
spin_lock_init(&pool->stale_lock);
pool->unbuddied = __alloc_percpu(sizeof(struct list_head)*NCHUNKS, 2);
+ if (!pool->unbuddied)
+ goto out_pool;
for_each_possible_cpu(cpu) {
struct list_head *unbuddied =
per_cpu_ptr(pool->unbuddied, cpu);
@@ -481,7 +483,7 @@
pool->name = name;
pool->compact_wq = create_singlethread_workqueue(pool->name);
if (!pool->compact_wq)
- goto out;
+ goto out_unbuddied;
pool->release_wq = create_singlethread_workqueue(pool->name);
if (!pool->release_wq)
goto out_wq;
@@ -491,8 +493,11 @@
out_wq:
destroy_workqueue(pool->compact_wq);
-out:
+out_unbuddied:
+ free_percpu(pool->unbuddied);
+out_pool:
kfree(pool);
+out:
return NULL;
}
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 64aa9f7..45c9bf5 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -48,8 +48,8 @@
* original position later
*/
skb_push(skb, offset);
- skb = *skbp = vlan_insert_tag(skb, skb->vlan_proto,
- skb->vlan_tci);
+ skb = *skbp = vlan_insert_inner_tag(skb, skb->vlan_proto,
+ skb->vlan_tci, skb->mac_len);
if (!skb)
return false;
skb_pull(skb, offset + VLAN_HLEN);
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 83ba548..71d8809 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -2719,7 +2719,7 @@
struct batadv_neigh_ifinfo *router_ifinfo = NULL;
struct batadv_neigh_node *router;
struct batadv_gw_node *curr_gw;
- int ret = -EINVAL;
+ int ret = 0;
void *hdr;
router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT);
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index 4e2724c..a8f4c39 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -930,7 +930,7 @@
struct batadv_neigh_ifinfo *router_ifinfo = NULL;
struct batadv_neigh_node *router;
struct batadv_gw_node *curr_gw;
- int ret = -EINVAL;
+ int ret = 0;
void *hdr;
router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT);
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index cdd8e8e..422ee16 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -2161,22 +2161,25 @@
{
struct batadv_bla_claim *claim;
int idx = 0;
+ int ret = 0;
rcu_read_lock();
hlist_for_each_entry_rcu(claim, head, hash_entry) {
if (idx++ < *idx_skip)
continue;
- if (batadv_bla_claim_dump_entry(msg, portid, seq,
- primary_if, claim)) {
+
+ ret = batadv_bla_claim_dump_entry(msg, portid, seq,
+ primary_if, claim);
+ if (ret) {
*idx_skip = idx - 1;
goto unlock;
}
}
- *idx_skip = idx;
+ *idx_skip = 0;
unlock:
rcu_read_unlock();
- return 0;
+ return ret;
}
/**
@@ -2391,22 +2394,25 @@
{
struct batadv_bla_backbone_gw *backbone_gw;
int idx = 0;
+ int ret = 0;
rcu_read_lock();
hlist_for_each_entry_rcu(backbone_gw, head, hash_entry) {
if (idx++ < *idx_skip)
continue;
- if (batadv_bla_backbone_dump_entry(msg, portid, seq,
- primary_if, backbone_gw)) {
+
+ ret = batadv_bla_backbone_dump_entry(msg, portid, seq,
+ primary_if, backbone_gw);
+ if (ret) {
*idx_skip = idx - 1;
goto unlock;
}
}
- *idx_skip = idx;
+ *idx_skip = 0;
unlock:
rcu_read_unlock();
- return 0;
+ return ret;
}
/**
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b6cfa78..4f0111b 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -391,7 +391,7 @@
batadv_arp_hw_src(skb, hdr_size), &ip_src,
batadv_arp_hw_dst(skb, hdr_size), &ip_dst);
- if (hdr_size == 0)
+ if (hdr_size < sizeof(struct batadv_unicast_packet))
return;
unicast_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data;
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index a98cf11..b6abd19 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -287,7 +287,8 @@
/* Move the existing MAC header to just before the payload. (Override
* the fragment header.)
*/
- skb_pull_rcsum(skb_out, hdr_size);
+ skb_pull(skb_out, hdr_size);
+ skb_out->ip_summed = CHECKSUM_NONE;
memmove(skb_out->data - ETH_HLEN, skb_mac_header(skb_out), ETH_HLEN);
skb_set_mac_header(skb_out, -ETH_HLEN);
skb_reset_network_header(skb_out);
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index de9955d..06276ae 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -705,7 +705,7 @@
{
struct batadv_neigh_node *neigh_curr = NULL;
struct batadv_neigh_node *neigh_old = NULL;
- struct batadv_orig_node *orig_dst_node;
+ struct batadv_orig_node *orig_dst_node = NULL;
struct batadv_gw_node *gw_node = NULL;
struct batadv_gw_node *curr_gw = NULL;
struct batadv_neigh_ifinfo *curr_ifinfo, *old_ifinfo;
@@ -716,6 +716,9 @@
vid = batadv_get_vid(skb, 0);
+ if (is_multicast_ether_addr(ethhdr->h_dest))
+ goto out;
+
orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
ethhdr->h_dest, vid);
if (!orig_dst_node)
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index d327670..fa02fb7 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -540,8 +540,8 @@
bat_priv->mcast.enabled = true;
}
- return !(mcast_data.flags &
- (BATADV_MCAST_WANT_ALL_IPV4 | BATADV_MCAST_WANT_ALL_IPV6));
+ return !(mcast_data.flags & BATADV_MCAST_WANT_ALL_IPV4 &&
+ mcast_data.flags & BATADV_MCAST_WANT_ALL_IPV6);
}
/**
@@ -809,8 +809,8 @@
batadv_mcast_forw_tt_node_get(struct batadv_priv *bat_priv,
struct ethhdr *ethhdr)
{
- return batadv_transtable_search(bat_priv, ethhdr->h_source,
- ethhdr->h_dest, BATADV_NO_FLAGS);
+ return batadv_transtable_search(bat_priv, NULL, ethhdr->h_dest,
+ BATADV_NO_FLAGS);
}
/**
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index f10e3ff..cd82cff 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -743,6 +743,7 @@
/**
* batadv_reroute_unicast_packet - update the unicast header for re-routing
* @bat_priv: the bat priv with all the soft interface information
+ * @skb: unicast packet to process
* @unicast_packet: the unicast header to be updated
* @dst_addr: the payload destination
* @vid: VLAN identifier
@@ -754,7 +755,7 @@
* Return: true if the packet header has been updated, false otherwise
*/
static bool
-batadv_reroute_unicast_packet(struct batadv_priv *bat_priv,
+batadv_reroute_unicast_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
struct batadv_unicast_packet *unicast_packet,
u8 *dst_addr, unsigned short vid)
{
@@ -783,8 +784,10 @@
}
/* update the packet header */
+ skb_postpull_rcsum(skb, unicast_packet, sizeof(*unicast_packet));
ether_addr_copy(unicast_packet->dest, orig_addr);
unicast_packet->ttvn = orig_ttvn;
+ skb_postpush_rcsum(skb, unicast_packet, sizeof(*unicast_packet));
ret = true;
out:
@@ -825,7 +828,7 @@
* the packet to
*/
if (batadv_tt_local_client_is_roaming(bat_priv, ethhdr->h_dest, vid)) {
- if (batadv_reroute_unicast_packet(bat_priv, unicast_packet,
+ if (batadv_reroute_unicast_packet(bat_priv, skb, unicast_packet,
ethhdr->h_dest, vid))
batadv_dbg_ratelimited(BATADV_DBG_TT,
bat_priv,
@@ -871,7 +874,7 @@
* destination can possibly be updated and forwarded towards the new
* target host
*/
- if (batadv_reroute_unicast_packet(bat_priv, unicast_packet,
+ if (batadv_reroute_unicast_packet(bat_priv, skb, unicast_packet,
ethhdr->h_dest, vid)) {
batadv_dbg_ratelimited(BATADV_DBG_TT, bat_priv,
"Rerouting unicast packet to %pM (dst=%pM): TTVN mismatch old_ttvn=%u new_ttvn=%u\n",
@@ -894,12 +897,14 @@
if (!primary_if)
return false;
+ /* update the packet header */
+ skb_postpull_rcsum(skb, unicast_packet, sizeof(*unicast_packet));
ether_addr_copy(unicast_packet->dest, primary_if->net_dev->dev_addr);
+ unicast_packet->ttvn = curr_ttvn;
+ skb_postpush_rcsum(skb, unicast_packet, sizeof(*unicast_packet));
batadv_hardif_put(primary_if);
- unicast_packet->ttvn = curr_ttvn;
-
return true;
}
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 10f7edf..aa2c49f 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -451,13 +451,7 @@
/* skb->dev & skb->pkt_type are set here */
skb->protocol = eth_type_trans(skb, soft_iface);
-
- /* should not be necessary anymore as we use skb_pull_rcsum()
- * TODO: please verify this and remove this TODO
- * -- Dec 21st 2009, Simon Wunderlich
- */
-
- /* skb->ip_summed = CHECKSUM_UNNECESSARY; */
+ skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
batadv_inc_counter(bat_priv, BATADV_CNT_RX);
batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 2800c4c..5b8cd35 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1641,7 +1641,8 @@
int off = ebt_compat_match_offset(match, m->match_size);
compat_uint_t msize = m->match_size - off;
- BUG_ON(off >= m->match_size);
+ if (WARN_ON(off >= m->match_size))
+ return -EINVAL;
if (copy_to_user(cm->u.name, match->name,
strlen(match->name) + 1) || put_user(msize, &cm->match_size))
@@ -1671,7 +1672,8 @@
int off = xt_compat_target_offset(target);
compat_uint_t tsize = t->target_size - off;
- BUG_ON(off >= t->target_size);
+ if (WARN_ON(off >= t->target_size))
+ return -EINVAL;
if (copy_to_user(cm->u.name, target->name,
strlen(target->name) + 1) || put_user(tsize, &cm->match_size))
@@ -1907,7 +1909,8 @@
if (state->buf_kern_start == NULL)
goto count_only;
- BUG_ON(state->buf_kern_offset + sz > state->buf_kern_len);
+ if (WARN_ON(state->buf_kern_offset + sz > state->buf_kern_len))
+ return -EINVAL;
memcpy(state->buf_kern_start + state->buf_kern_offset, data, sz);
@@ -1920,7 +1923,8 @@
{
char *b = state->buf_kern_start;
- BUG_ON(b && state->buf_kern_offset > state->buf_kern_len);
+ if (WARN_ON(b && state->buf_kern_offset > state->buf_kern_len))
+ return -EINVAL;
if (b != NULL && sz > 0)
memset(b + state->buf_kern_offset, 0, sz);
@@ -1997,8 +2001,10 @@
pad = XT_ALIGN(size_kern) - size_kern;
if (pad > 0 && dst) {
- BUG_ON(state->buf_kern_len <= pad);
- BUG_ON(state->buf_kern_offset - (match_size + off) + size_kern > state->buf_kern_len - pad);
+ if (WARN_ON(state->buf_kern_len <= pad))
+ return -EINVAL;
+ if (WARN_ON(state->buf_kern_offset - (match_size + off) + size_kern > state->buf_kern_len - pad))
+ return -EINVAL;
memset(dst + size_kern, 0, pad);
}
return off + match_size;
@@ -2048,7 +2054,8 @@
if (ret < 0)
return ret;
- BUG_ON(ret < match32->match_size);
+ if (WARN_ON(ret < match32->match_size))
+ return -EINVAL;
growth += ret - match32->match_size;
growth += ebt_compat_entry_padsize();
@@ -2117,8 +2124,12 @@
* offsets are relative to beginning of struct ebt_entry (i.e., 0).
*/
for (i = 0; i < 4 ; ++i) {
- if (offsets[i] >= *total)
+ if (offsets[i] > *total)
return -EINVAL;
+
+ if (i < 3 && offsets[i] == *total)
+ return -EINVAL;
+
if (i == 0)
continue;
if (offsets[i-1] > offsets[i])
@@ -2157,7 +2168,8 @@
startoff = state->buf_user_offset - startoff;
- BUG_ON(*total < startoff);
+ if (WARN_ON(*total < startoff))
+ return -EINVAL;
*total -= startoff;
return 0;
}
@@ -2286,7 +2298,8 @@
state.buf_kern_len = size64;
ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
- BUG_ON(ret < 0); /* parses same data again */
+ if (WARN_ON(ret < 0))
+ goto out_unlock;
vfree(entries_tmp);
tmp.entries_size = size64;
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 5c036d2..cdb5b69 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -418,11 +418,15 @@
opt->flags |= CEPH_OPT_FSID;
break;
case Opt_name:
+ kfree(opt->name);
opt->name = kstrndup(argstr[0].from,
argstr[0].to-argstr[0].from,
GFP_KERNEL);
break;
case Opt_secret:
+ ceph_crypto_key_destroy(opt->key);
+ kfree(opt->key);
+
opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
if (!opt->key) {
err = -ENOMEM;
@@ -433,6 +437,9 @@
goto out;
break;
case Opt_key:
+ ceph_crypto_key_destroy(opt->key);
+ kfree(opt->key);
+
opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
if (!opt->key) {
err = -ENOMEM;
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d374a90..490eab1 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2505,11 +2505,14 @@
static int ethtool_get_fecparam(struct net_device *dev, void __user *useraddr)
{
struct ethtool_fecparam fecparam = { ETHTOOL_GFECPARAM };
+ int rc;
if (!dev->ethtool_ops->get_fecparam)
return -EOPNOTSUPP;
- dev->ethtool_ops->get_fecparam(dev, &fecparam);
+ rc = dev->ethtool_ops->get_fecparam(dev, &fecparam);
+ if (rc)
+ return rc;
if (copy_to_user(useraddr, &fecparam, sizeof(fecparam)))
return -EFAULT;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ef734ad..c132eca 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4939,13 +4939,18 @@
static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
{
+ int mac_len;
+
if (skb_cow(skb, skb_headroom(skb)) < 0) {
kfree_skb(skb);
return NULL;
}
- memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len - VLAN_HLEN,
- 2 * ETH_ALEN);
+ mac_len = skb->data - skb_mac_header(skb);
+ if (likely(mac_len > VLAN_HLEN + ETH_TLEN)) {
+ memmove(skb_mac_header(skb) + VLAN_HLEN, skb_mac_header(skb),
+ mac_len - VLAN_HLEN - ETH_TLEN);
+ }
skb->mac_header += VLAN_HLEN;
return skb;
}
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 23e6d55..2459e9c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -951,9 +951,6 @@
t_hlen = tunnel->hlen + sizeof(struct iphdr);
- dev->needed_headroom = LL_MAX_HEADER + t_hlen + 4;
- dev->mtu = ETH_DATA_LEN - t_hlen - 4;
-
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
@@ -1253,8 +1250,6 @@
sizeof(struct erspanhdr);
t_hlen = tunnel->hlen + sizeof(struct iphdr);
- dev->needed_headroom = LL_MAX_HEADER + t_hlen + 4;
- dev->mtu = ETH_DATA_LEN - t_hlen - 4;
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index a2fcc20..4784f3f 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1103,8 +1103,14 @@
eth_hw_addr_random(dev);
mtu = ip_tunnel_bind_dev(dev);
- if (!tb[IFLA_MTU])
+ if (tb[IFLA_MTU]) {
+ unsigned int max = 0xfff8 - dev->hard_header_len - nt->hlen;
+
+ dev->mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU,
+ (unsigned int)(max - sizeof(struct iphdr)));
+ } else {
dev->mtu = mtu;
+ }
ip_tunnel_add(itn, nt);
out:
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index c9cd891..5c5699c 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -396,8 +396,6 @@
memcpy(dev->dev_addr, &iph->saddr, 4);
memcpy(dev->broadcast, &iph->daddr, 4);
- dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr);
- dev->mtu = ETH_DATA_LEN;
dev->flags = IFF_NOARP;
dev->addr_len = 4;
dev->features |= NETIF_F_LLTX;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index c07e9db..cc7c9d6 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -228,7 +228,6 @@
c->hash_mode = i->hash_mode;
c->hash_initval = i->hash_initval;
refcount_set(&c->refcount, 1);
- refcount_set(&c->entries, 1);
spin_lock_bh(&cn->lock);
if (__clusterip_config_find(net, ip)) {
@@ -259,8 +258,10 @@
c->notifier.notifier_call = clusterip_netdev_event;
err = register_netdevice_notifier(&c->notifier);
- if (!err)
+ if (!err) {
+ refcount_set(&c->entries, 1);
return c;
+ }
#ifdef CONFIG_PROC_FS
proc_remove(c->pde);
@@ -269,7 +270,7 @@
spin_lock_bh(&cn->lock);
list_del_rcu(&c->list);
spin_unlock_bh(&cn->lock);
- kfree(c);
+ clusterip_config_put(c);
return ERR_PTR(err);
}
@@ -492,12 +493,15 @@
return PTR_ERR(config);
}
}
- cipinfo->config = config;
ret = nf_ct_netns_get(par->net, par->family);
- if (ret < 0)
+ if (ret < 0) {
pr_info("cannot load conntrack support for proto=%u\n",
par->family);
+ clusterip_config_entry_put(par->net, config);
+ clusterip_config_put(config);
+ return ret;
+ }
if (!par->net->xt.clusterip_deprecated_warning) {
pr_info("ipt_CLUSTERIP is deprecated and it will removed soon, "
@@ -505,6 +509,7 @@
par->net->xt.clusterip_deprecated_warning = true;
}
+ cipinfo->config = config;
return ret;
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 28bc3a9..7afa8d2 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -639,6 +639,7 @@
static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe)
{
rt->rt_pmtu = fnhe->fnhe_pmtu;
+ rt->rt_mtu_locked = fnhe->fnhe_mtu_locked;
rt->dst.expires = fnhe->fnhe_expires;
if (fnhe->fnhe_gw) {
@@ -649,7 +650,7 @@
}
static void update_or_create_fnhe(struct fib_nh *nh, __be32 daddr, __be32 gw,
- u32 pmtu, unsigned long expires)
+ u32 pmtu, bool lock, unsigned long expires)
{
struct fnhe_hash_bucket *hash;
struct fib_nh_exception *fnhe;
@@ -686,8 +687,10 @@
fnhe->fnhe_genid = genid;
if (gw)
fnhe->fnhe_gw = gw;
- if (pmtu)
+ if (pmtu) {
fnhe->fnhe_pmtu = pmtu;
+ fnhe->fnhe_mtu_locked = lock;
+ }
fnhe->fnhe_expires = max(1UL, expires);
/* Update all cached dsts too */
rt = rcu_dereference(fnhe->fnhe_rth_input);
@@ -711,6 +714,7 @@
fnhe->fnhe_daddr = daddr;
fnhe->fnhe_gw = gw;
fnhe->fnhe_pmtu = pmtu;
+ fnhe->fnhe_mtu_locked = lock;
fnhe->fnhe_expires = max(1UL, expires);
/* Exception created; mark the cached routes for the nexthop
@@ -792,7 +796,8 @@
struct fib_nh *nh = &FIB_RES_NH(res);
update_or_create_fnhe(nh, fl4->daddr, new_gw,
- 0, jiffies + ip_rt_gc_timeout);
+ 0, false,
+ jiffies + ip_rt_gc_timeout);
}
if (kill_route)
rt->dst.obsolete = DST_OBSOLETE_KILL;
@@ -1005,15 +1010,18 @@
{
struct dst_entry *dst = &rt->dst;
struct fib_result res;
+ bool lock = false;
- if (dst_metric_locked(dst, RTAX_MTU))
+ if (ip_mtu_locked(dst))
return;
if (ipv4_mtu(dst) < mtu)
return;
- if (mtu < ip_rt_min_pmtu)
+ if (mtu < ip_rt_min_pmtu) {
+ lock = true;
mtu = ip_rt_min_pmtu;
+ }
if (rt->rt_pmtu == mtu &&
time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
@@ -1023,7 +1031,7 @@
if (fib_lookup(dev_net(dst->dev), fl4, &res, 0) == 0) {
struct fib_nh *nh = &FIB_RES_NH(res);
- update_or_create_fnhe(nh, fl4->daddr, 0, mtu,
+ update_or_create_fnhe(nh, fl4->daddr, 0, mtu, lock,
jiffies + ip_rt_mtu_expires);
}
rcu_read_unlock();
@@ -1276,7 +1284,7 @@
mtu = READ_ONCE(dst->dev->mtu);
- if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
+ if (unlikely(ip_mtu_locked(dst))) {
if (rt->rt_uses_gateway && mtu > 576)
mtu = 576;
}
@@ -1548,6 +1556,7 @@
rt->rt_is_input = 0;
rt->rt_iif = 0;
rt->rt_pmtu = 0;
+ rt->rt_mtu_locked = 0;
rt->rt_gateway = 0;
rt->rt_uses_gateway = 0;
rt->rt_table_id = 0;
@@ -2526,6 +2535,7 @@
rt->rt_is_input = ort->rt_is_input;
rt->rt_iif = ort->rt_iif;
rt->rt_pmtu = ort->rt_pmtu;
+ rt->rt_mtu_locked = ort->rt_mtu_locked;
rt->rt_genid = rt_genid_ipv4(net);
rt->rt_flags = ort->rt_flags;
@@ -2628,6 +2638,8 @@
memcpy(metrics, dst_metrics_ptr(&rt->dst), sizeof(metrics));
if (rt->rt_pmtu && expires)
metrics[RTAX_MTU - 1] = rt->rt_pmtu;
+ if (rt->rt_mtu_locked && expires)
+ metrics[RTAX_LOCK - 1] |= BIT(RTAX_MTU);
if (rtnetlink_put_metrics(skb, metrics) < 0)
goto nla_put_failure;
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
index 7c84357..faddf4f 100644
--- a/net/ipv4/tcp_illinois.c
+++ b/net/ipv4/tcp_illinois.c
@@ -6,7 +6,7 @@
* The algorithm is described in:
* "TCP-Illinois: A Loss and Delay-Based Congestion Control Algorithm
* for High-Speed Networks"
- * http://www.ifp.illinois.edu/~srikant/Papers/liubassri06perf.pdf
+ * http://tamerbasar.csl.illinois.edu/LiuBasarSrikantPerfEvalArtJun2008.pdf
*
* Implemented from description in paper and ns-2 simulation.
* Copyright (C) 2007 Stephen Hemminger <shemminger@linux-foundation.org>
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 05017e2..4b586e7 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -100,6 +100,7 @@
xdst->u.rt.rt_gateway = rt->rt_gateway;
xdst->u.rt.rt_uses_gateway = rt->rt_uses_gateway;
xdst->u.rt.rt_pmtu = rt->rt_pmtu;
+ xdst->u.rt.rt_mtu_locked = rt->rt_mtu_locked;
xdst->u.rt.rt_table_id = rt->rt_table_id;
INIT_LIST_HEAD(&xdst->u.rt.rt_uncached);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index d61a82f..565a038 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1990,14 +1990,14 @@
{
struct net *net = dev_net(dev);
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
- struct ip6_tnl *nt, *t;
struct ip_tunnel_encap ipencap;
+ struct ip6_tnl *nt, *t;
+ int err;
nt = netdev_priv(dev);
if (ip6_tnl_netlink_encap_parms(data, &ipencap)) {
- int err = ip6_tnl_encap_setup(nt, &ipencap);
-
+ err = ip6_tnl_encap_setup(nt, &ipencap);
if (err < 0)
return err;
}
@@ -2013,7 +2013,11 @@
return -EEXIST;
}
- return ip6_tnl_create2(dev);
+ err = ip6_tnl_create2(dev);
+ if (!err && tb[IFLA_MTU])
+ ip6_tnl_change_mtu(dev, nla_get_u32(tb[IFLA_MTU]));
+
+ return err;
}
static int ip6_tnl_changelink(struct net_device *dev, struct nlattr *tb[],
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 2493a40..0e0ab90 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -852,7 +852,7 @@
dev->hard_header_len = LL_MAX_HEADER + sizeof(struct ipv6hdr);
dev->mtu = ETH_DATA_LEN;
dev->min_mtu = IPV6_MIN_MTU;
- dev->max_mtu = IP_MAX_MTU;
+ dev->max_mtu = IP_MAX_MTU - sizeof(struct ipv6hdr);
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);
netif_keep_dst(dev);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b35d890..ad1e7e6 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1569,6 +1569,13 @@
if (err < 0)
return err;
+ if (tb[IFLA_MTU]) {
+ u32 mtu = nla_get_u32(tb[IFLA_MTU]);
+
+ if (mtu >= IPV6_MIN_MTU && mtu <= 0xFFF8 - dev->hard_header_len)
+ dev->mtu = mtu;
+ }
+
#ifdef CONFIG_IPV6_SIT_6RD
if (ipip6_netlink_6rd_parms(data, &ip6rd))
err = ipip6_tunnel_update_6rd(nt, &ip6rd);
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index f8d4ab8..4b60f68 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -389,7 +389,7 @@
llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
- llc_conn_send_pdu(sk, skb);
+ rc = llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
return rc;
@@ -916,7 +916,7 @@
llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
- llc_conn_send_pdu(sk, skb);
+ rc = llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
return rc;
@@ -935,14 +935,17 @@
int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb)
{
struct llc_sock *llc = llc_sk(sk);
+ int ret;
if (llc->ack_must_be_send) {
- llc_conn_ac_send_i_rsp_f_set_ackpf(sk, skb);
+ ret = llc_conn_ac_send_i_rsp_f_set_ackpf(sk, skb);
llc->ack_must_be_send = 0 ;
llc->ack_pf = 0;
- } else
- llc_conn_ac_send_i_cmd_p_set_0(sk, skb);
- return 0;
+ } else {
+ ret = llc_conn_ac_send_i_cmd_p_set_0(sk, skb);
+ }
+
+ return ret;
}
/**
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index 9a42448..b084fd1 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -30,7 +30,7 @@
#endif
static int llc_find_offset(int state, int ev_type);
-static void llc_conn_send_pdus(struct sock *sk);
+static int llc_conn_send_pdus(struct sock *sk, struct sk_buff *skb);
static int llc_conn_service(struct sock *sk, struct sk_buff *skb);
static int llc_exec_conn_trans_actions(struct sock *sk,
struct llc_conn_state_trans *trans,
@@ -193,11 +193,11 @@
return rc;
}
-void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb)
+int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb)
{
/* queue PDU to send to MAC layer */
skb_queue_tail(&sk->sk_write_queue, skb);
- llc_conn_send_pdus(sk);
+ return llc_conn_send_pdus(sk, skb);
}
/**
@@ -255,7 +255,7 @@
if (howmany_resend > 0)
llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
/* any PDUs to re-send are queued up; start sending to MAC */
- llc_conn_send_pdus(sk);
+ llc_conn_send_pdus(sk, NULL);
out:;
}
@@ -296,7 +296,7 @@
if (howmany_resend > 0)
llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
/* any PDUs to re-send are queued up; start sending to MAC */
- llc_conn_send_pdus(sk);
+ llc_conn_send_pdus(sk, NULL);
out:;
}
@@ -340,12 +340,16 @@
/**
* llc_conn_send_pdus - Sends queued PDUs
* @sk: active connection
+ * @hold_skb: the skb held by caller, or NULL if does not care
*
- * Sends queued pdus to MAC layer for transmission.
+ * Sends queued pdus to MAC layer for transmission. When @hold_skb is
+ * NULL, always return 0. Otherwise, return 0 if @hold_skb is sent
+ * successfully, or 1 for failure.
*/
-static void llc_conn_send_pdus(struct sock *sk)
+static int llc_conn_send_pdus(struct sock *sk, struct sk_buff *hold_skb)
{
struct sk_buff *skb;
+ int ret = 0;
while ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL) {
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
@@ -357,10 +361,20 @@
skb_queue_tail(&llc_sk(sk)->pdu_unack_q, skb);
if (!skb2)
break;
- skb = skb2;
+ dev_queue_xmit(skb2);
+ } else {
+ bool is_target = skb == hold_skb;
+ int rc;
+
+ if (is_target)
+ skb_get(skb);
+ rc = dev_queue_xmit(skb);
+ if (is_target)
+ ret = rc;
}
- dev_queue_xmit(skb);
}
+
+ return ret;
}
/**
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 2849a1f..3a7cfe0 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -8,6 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
*
* 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
@@ -322,9 +323,6 @@
* driver so reject the timeout update.
*/
status = WLAN_STATUS_REQUEST_DECLINED;
- ieee80211_send_addba_resp(sta->sdata, sta->sta.addr,
- tid, dialog_token, status,
- 1, buf_size, timeout);
goto end;
}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 9675814..894937b 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1466,7 +1466,7 @@
const struct ieee80211_timeout_interval_ie *timeout_int;
const u8 *opmode_notif;
const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
- const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
+ struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
const struct ieee80211_bss_max_idle_period_ie *max_idle_period_ie;
/* length of them, respectively */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index a550c70..96e57d7 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1253,13 +1253,12 @@
}
static int mesh_fwd_csa_frame(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_mgmt *mgmt, size_t len)
+ struct ieee80211_mgmt *mgmt, size_t len,
+ struct ieee802_11_elems *elems)
{
struct ieee80211_mgmt *mgmt_fwd;
struct sk_buff *skb;
struct ieee80211_local *local = sdata->local;
- u8 *pos = mgmt->u.action.u.chan_switch.variable;
- size_t offset_ttl;
skb = dev_alloc_skb(local->tx_headroom + len);
if (!skb)
@@ -1267,13 +1266,9 @@
skb_reserve(skb, local->tx_headroom);
mgmt_fwd = skb_put(skb, len);
- /* offset_ttl is based on whether the secondary channel
- * offset is available or not. Subtract 1 from the mesh TTL
- * and disable the initiator flag before forwarding.
- */
- offset_ttl = (len < 42) ? 7 : 10;
- *(pos + offset_ttl) -= 1;
- *(pos + offset_ttl + 1) &= ~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
+ elems->mesh_chansw_params_ie->mesh_ttl--;
+ elems->mesh_chansw_params_ie->mesh_flags &=
+ ~WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR;
memcpy(mgmt_fwd, mgmt, len);
eth_broadcast_addr(mgmt_fwd->da);
@@ -1321,7 +1316,7 @@
/* forward or re-broadcast the CSA frame */
if (fwd_csa) {
- if (mesh_fwd_csa_frame(sdata, mgmt, len) < 0)
+ if (mesh_fwd_csa_frame(sdata, mgmt, len, &elems) < 0)
mcsa_dbg(sdata, "Failed to forward the CSA frame");
}
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 4daafb0..dddd498 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3928,7 +3928,7 @@
if ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FROMDS |
IEEE80211_FCTL_TODS)) !=
fast_rx->expected_ds_bits)
- goto drop;
+ return false;
/* assign the key to drop unencrypted frames (later)
* and strip the IV/MIC if necessary
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index ee01817..0293348 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -8,6 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2008, Intel Corporation
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2018 Intel Corporation
*
* 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
@@ -27,7 +28,7 @@
u32 sta_flags, u8 *bssid,
struct ieee80211_csa_ie *csa_ie)
{
- enum nl80211_band new_band;
+ enum nl80211_band new_band = current_band;
int new_freq;
u8 new_chan_no;
struct ieee80211_channel *new_chan;
@@ -55,15 +56,13 @@
elems->ext_chansw_ie->new_operating_class,
&new_band)) {
sdata_info(sdata,
- "cannot understand ECSA IE operating class %d, disconnecting\n",
+ "cannot understand ECSA IE operating class, %d, ignoring\n",
elems->ext_chansw_ie->new_operating_class);
- return -EINVAL;
}
new_chan_no = elems->ext_chansw_ie->new_ch_num;
csa_ie->count = elems->ext_chansw_ie->count;
csa_ie->mode = elems->ext_chansw_ie->mode;
} else if (elems->ch_switch_ie) {
- new_band = current_band;
new_chan_no = elems->ch_switch_ie->new_ch_num;
csa_ie->count = elems->ch_switch_ie->count;
csa_ie->mode = elems->ch_switch_ie->mode;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 6961501..f1b4962 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -314,7 +314,7 @@
if (ieee80211_hw_check(hw, USES_RSS)) {
sta->pcpu_rx_stats =
- alloc_percpu(struct ieee80211_sta_rx_stats);
+ alloc_percpu_gfp(struct ieee80211_sta_rx_stats, gfp);
if (!sta->pcpu_rx_stats)
goto free;
}
@@ -439,6 +439,7 @@
if (sta->sta.txq[0])
kfree(to_txq_info(sta->sta.txq[0]));
free:
+ free_percpu(sta->pcpu_rx_stats);
#ifdef CONFIG_MAC80211_MESH
kfree(sta->mesh);
#endif
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 3e17d32..58d5d05 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -260,7 +260,7 @@
buf_len = strlen(buf);
ct = nf_ct_get(skb, &ctinfo);
- if (ct && (ct->status & IPS_NAT_MASK)) {
+ if (ct) {
bool mangled;
/* If mangling fails this function will return 0
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 22dc1b9..c070dfc 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -1472,6 +1472,16 @@
iface = rcu_dereference(netlbl_unlhsh_def);
if (iface == NULL || !iface->valid)
goto unlabel_getattr_nolabel;
+
+#if IS_ENABLED(CONFIG_IPV6)
+ /* When resolving a fallback label, check the sk_buff version as
+ * it is possible (e.g. SCTP) to have family = PF_INET6 while
+ * receiving ip_hdr(skb)->version = 4.
+ */
+ if (family == PF_INET6 && ip_hdr(skb)->version == 4)
+ family = PF_INET;
+#endif /* IPv6 */
+
switch (family) {
case PF_INET: {
struct iphdr *hdr4;
diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c
index 367d8c0..2ceefa1 100644
--- a/net/nfc/llcp_commands.c
+++ b/net/nfc/llcp_commands.c
@@ -149,6 +149,10 @@
pr_debug("uri: %s, len: %zu\n", uri, uri_len);
+ /* sdreq->tlv_len is u8, takes uri_len, + 3 for header, + 1 for NULL */
+ if (WARN_ON_ONCE(uri_len > U8_MAX - 4))
+ return NULL;
+
sdreq = kzalloc(sizeof(struct nfc_llcp_sdp_tlv), GFP_KERNEL);
if (sdreq == NULL)
return NULL;
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index b251fb9..08ed6ab 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -61,7 +61,8 @@
};
static const struct nla_policy nfc_sdp_genl_policy[NFC_SDP_ATTR_MAX + 1] = {
- [NFC_SDP_ATTR_URI] = { .type = NLA_STRING },
+ [NFC_SDP_ATTR_URI] = { .type = NLA_STRING,
+ .len = U8_MAX - 4 },
[NFC_SDP_ATTR_SAP] = { .type = NLA_U8 },
};
diff --git a/net/qrtr/smd.c b/net/qrtr/smd.c
index 50615d5..9cf089b 100644
--- a/net/qrtr/smd.c
+++ b/net/qrtr/smd.c
@@ -114,5 +114,6 @@
module_rpmsg_driver(qcom_smd_qrtr_driver);
+MODULE_ALIAS("rpmsg:IPCRTR");
MODULE_DESCRIPTION("Qualcomm IPC-Router SMD interface driver");
MODULE_LICENSE("GPL v2");
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index c061d6e..2257118 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006 Oracle. All rights reserved.
+ * Copyright (c) 2006, 2018 Oracle. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -142,12 +142,20 @@
if (ret)
goto out;
- new_sock->type = sock->type;
- new_sock->ops = sock->ops;
ret = sock->ops->accept(sock, new_sock, O_NONBLOCK, true);
if (ret < 0)
goto out;
+ /* sock_create_lite() does not get a hold on the owner module so we
+ * need to do it here. Note that sock_release() uses sock->ops to
+ * determine if it needs to decrement the reference count. So set
+ * sock->ops after calling accept() in case that fails. And there's
+ * no need to do try_module_get() as the listener should have a hold
+ * already.
+ */
+ new_sock->ops = sock->ops;
+ __module_get(new_sock->ops->owner);
+
ret = rds_tcp_keepalive(new_sock);
if (ret < 0)
goto out;
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index e56e23e..5edb636 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -1175,16 +1175,19 @@
goto discard_unlock;
if (sp->hdr.callNumber == chan->last_call) {
- /* For the previous service call, if completed successfully, we
- * discard all further packets.
- */
- if (rxrpc_conn_is_service(conn) &&
- (chan->last_type == RXRPC_PACKET_TYPE_ACK ||
- sp->hdr.type == RXRPC_PACKET_TYPE_ABORT))
+ if (chan->call ||
+ sp->hdr.type == RXRPC_PACKET_TYPE_ABORT)
goto discard_unlock;
- /* But otherwise we need to retransmit the final packet from
- * data cached in the connection record.
+ /* For the previous service call, if completed
+ * successfully, we discard all further packets.
+ */
+ if (rxrpc_conn_is_service(conn) &&
+ chan->last_type == RXRPC_PACKET_TYPE_ACK)
+ goto discard_unlock;
+
+ /* But otherwise we need to retransmit the final packet
+ * from data cached in the connection record.
*/
rxrpc_post_packet_to_conn(conn, skb);
goto out_unlock;
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index bdece21..abcf480 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -513,9 +513,10 @@
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_USER_CALL_ID,
sizeof(unsigned int), &id32);
} else {
+ unsigned long idl = call->user_call_ID;
+
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_USER_CALL_ID,
- sizeof(unsigned long),
- &call->user_call_ID);
+ sizeof(unsigned long), &idl);
}
if (ret < 0)
goto error_unlock_call;
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index d2f51d6..016e293 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -92,7 +92,9 @@
spin_lock_bh(&call->lock);
if (call->state < RXRPC_CALL_COMPLETE) {
- call->rxtx_annotations[ix] = RXRPC_TX_ANNO_RETRANS;
+ call->rxtx_annotations[ix] =
+ (call->rxtx_annotations[ix] & RXRPC_TX_ANNO_LAST) |
+ RXRPC_TX_ANNO_RETRANS;
if (!test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events))
rxrpc_queue_call(call);
}
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index 2b08762..364a878 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -356,7 +356,7 @@
return res;
out:
if (res == ACT_P_CREATED)
- tcf_idr_cleanup(*act, est);
+ tcf_idr_release(*act, bind);
return ret;
}
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index d9e399a..18b2fd2 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -80,9 +80,12 @@
static void tcf_ipt_release(struct tc_action *a, int bind)
{
struct tcf_ipt *ipt = to_ipt(a);
- ipt_destroy_target(ipt->tcfi_t);
+
+ if (ipt->tcfi_t) {
+ ipt_destroy_target(ipt->tcfi_t);
+ kfree(ipt->tcfi_t);
+ }
kfree(ipt->tcfi_tname);
- kfree(ipt->tcfi_t);
}
static const struct nla_policy ipt_policy[TCA_IPT_MAX + 1] = {
@@ -187,7 +190,7 @@
kfree(tname);
err1:
if (ret == ACT_P_CREATED)
- tcf_idr_cleanup(*a, est);
+ tcf_idr_release(*a, bind);
return err;
}
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 491fe5d..51ab463 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -176,7 +176,7 @@
p = to_pedit(*a);
keys = kmalloc(ksize, GFP_KERNEL);
if (keys == NULL) {
- tcf_idr_cleanup(*a, est);
+ tcf_idr_release(*a, bind);
kfree(keys_ex);
return -ENOMEM;
}
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 3bb2ebf..c161271 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -194,7 +194,7 @@
qdisc_put_rtab(P_tab);
qdisc_put_rtab(R_tab);
if (ret == ACT_P_CREATED)
- tcf_idr_cleanup(*a, est);
+ tcf_idr_release(*a, bind);
return err;
}
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 8b5abcd..53752b9 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -103,7 +103,8 @@
psample_group = rcu_dereference_protected(s->psample_group, 1);
RCU_INIT_POINTER(s->psample_group, NULL);
- psample_group_put(psample_group);
+ if (psample_group)
+ psample_group_put(psample_group);
}
static void tcf_sample_cleanup(struct tc_action *a, int bind)
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index e7b57e5..b5f80e6 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -121,7 +121,7 @@
d = to_defact(*a);
ret = alloc_defdata(d, defdata);
if (ret < 0) {
- tcf_idr_cleanup(*a, est);
+ tcf_idr_release(*a, bind);
return ret;
}
d->tcf_action = parm->action;
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index 821823b..d227599 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -155,7 +155,7 @@
ASSERT_RTNL();
p = kzalloc(sizeof(struct tcf_skbmod_params), GFP_KERNEL);
if (unlikely(!p)) {
- if (ovr)
+ if (ret == ACT_P_CREATED)
tcf_idr_release(*a, bind);
return -ENOMEM;
}
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 7166e7e..f04a037 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -174,6 +174,7 @@
lnk = &lgr->lnk[SMC_SINGLE_LINK];
/* initialize link */
+ lnk->link_id = SMC_SINGLE_LINK;
lnk->smcibdev = smcibdev;
lnk->ibport = ibport;
lnk->path_mtu = smcibdev->pattr[ibport - 1].active_mtu;
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 9033b8a..4410d00 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -23,6 +23,8 @@
#include "smc_wr.h"
#include "smc.h"
+#define SMC_MAX_CQE 32766 /* max. # of completion queue elements */
+
#define SMC_QP_MIN_RNR_TIMER 5
#define SMC_QP_TIMEOUT 15 /* 4096 * 2 ** timeout usec */
#define SMC_QP_RETRY_CNT 7 /* 7: infinite */
@@ -435,9 +437,15 @@
long smc_ib_setup_per_ibdev(struct smc_ib_device *smcibdev)
{
struct ib_cq_init_attr cqattr = {
- .cqe = SMC_WR_MAX_CQE, .comp_vector = 0 };
+ .cqe = SMC_MAX_CQE, .comp_vector = 0 };
+ int cqe_size_order, smc_order;
long rc;
+ /* the calculated number of cq entries fits to mlx5 cq allocation */
+ cqe_size_order = cache_line_size() == 128 ? 7 : 6;
+ smc_order = MAX_ORDER - cqe_size_order - 1;
+ if (SMC_MAX_CQE + 2 > (0x00000001 << smc_order) * PAGE_SIZE)
+ cqattr.cqe = (0x00000001 << smc_order) * PAGE_SIZE - 2;
smcibdev->roce_cq_send = ib_create_cq(smcibdev->ibdev,
smc_wr_tx_cq_handler, NULL,
smcibdev, &cqattr);
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index 92fe4cc..b4aa4fc 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -92,7 +92,7 @@
memcpy(confllc->sender_mac, mac, ETH_ALEN);
memcpy(confllc->sender_gid, gid, SMC_GID_SIZE);
hton24(confllc->sender_qp_num, link->roce_qp->qp_num);
- /* confllc->link_num = SMC_SINGLE_LINK; already done by memset above */
+ confllc->link_num = link->link_id;
memcpy(confllc->link_uid, lgr->id, SMC_LGR_ID_SIZE);
confllc->max_links = SMC_LINKS_PER_LGR_MAX;
/* send llc message */
diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h
index 2acf12b..c307402 100644
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -19,7 +19,6 @@
#include "smc.h"
#include "smc_core.h"
-#define SMC_WR_MAX_CQE 32768 /* max. # of completion queue elements */
#define SMC_WR_BUF_CNT 16 /* # of ctrl buffers per link */
#define SMC_WR_TX_WAIT_FREE_SLOT_TIME (10 * HZ)
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index dfef930..ffb1a3a 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -299,7 +299,8 @@
goto out;
}
lock_sock(sk);
- memcpy(crypto_info_aes_gcm_128->iv, ctx->iv,
+ memcpy(crypto_info_aes_gcm_128->iv,
+ ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
TLS_CIPHER_AES_GCM_128_IV_SIZE);
release_sock(sk);
if (copy_to_user(optval,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 3dd05a0..d014aea 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -989,6 +989,8 @@
wdev->current_bss = NULL;
wdev->ssid_len = 0;
wdev->conn_owner_nlportid = 0;
+ kzfree(wdev->connect_keys);
+ wdev->connect_keys = NULL;
nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 5b24097..9f492dc 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -26,6 +26,12 @@
};
struct xfrm_trans_cb {
+ union {
+ struct inet_skb_parm h4;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct inet6_skb_parm h6;
+#endif
+ } header;
int (*finish)(struct net *net, struct sock *sk, struct sk_buff *skb);
};
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 73ad8c8..35610cc 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -285,8 +285,9 @@
return;
afinfo = xfrm_state_get_afinfo(proto);
- if (afinfo)
+ if (afinfo) {
afinfo->local_error(skb, mtu);
- rcu_read_unlock();
+ rcu_read_unlock();
+ }
}
EXPORT_SYMBOL_GPL(xfrm_local_error);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 7d17c20..9c57d6a 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1459,10 +1459,13 @@
static int xfrm_get_tos(const struct flowi *fl, int family)
{
const struct xfrm_policy_afinfo *afinfo;
- int tos = 0;
+ int tos;
afinfo = xfrm_policy_get_afinfo(family);
- tos = afinfo ? afinfo->get_tos(fl) : 0;
+ if (!afinfo)
+ return 0;
+
+ tos = afinfo->get_tos(fl);
rcu_read_unlock();
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 0250181..bdb9b51 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -658,7 +658,7 @@
} else {
XFRM_SKB_CB(skb)->seq.output.low = oseq + 1;
XFRM_SKB_CB(skb)->seq.output.hi = oseq_hi;
- xo->seq.low = oseq = oseq + 1;
+ xo->seq.low = oseq + 1;
xo->seq.hi = oseq_hi;
oseq += skb_shinfo(skb)->gso_segs;
}
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index 513da1a..d67830e 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -84,6 +84,13 @@
depfile="include/config/ksym/${sympath}.h"
mkdir -p "$(dirname "$depfile")"
touch "$depfile"
+ # Filesystems with coarse time precision may create timestamps
+ # equal to the one from a file that was very recently built and that
+ # needs to be rebuild. Let's guard against that by making sure our
+ # dep files are always newer than the first file we created here.
+ while [ ! "$depfile" -nt "$new_ksyms_file" ]; do
+ touch "$depfile"
+ done
echo $((count += 1))
done | tail -1 )
changed=${changed:-0}
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 0bc8747..e15159d 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -313,7 +313,7 @@
# Build kernel header package
(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
-(cd $srctree; find arch/*/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index 06554c4..9676c88 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -18,6 +18,7 @@
#include <linux/cred.h>
#include <linux/key-type.h>
#include <linux/digsig.h>
+#include <linux/vmalloc.h>
#include <crypto/public_key.h>
#include <keys/system_keyring.h>
diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 35ef693..6a8f677 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -10,6 +10,7 @@
select CRYPTO_HASH_INFO
select TCG_TPM if HAS_IOMEM && !UML
select TCG_TIS if TCG_TPM && X86
+ select TCG_CRB if TCG_TPM && ACPI
select TCG_IBMVTPM if TCG_TPM && PPC_PSERIES
help
The Trusted Computing Group(TCG) runtime Integrity
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 802d5d2..90453aa 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -78,6 +78,8 @@
hash_algo_name[ima_hash_algo], rc);
return rc;
}
+ pr_info("Allocated hash algorithm: %s\n",
+ hash_algo_name[ima_hash_algo]);
return 0;
}
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index ab70a39..7e334fd 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -16,6 +16,9 @@
* implements the IMA hooks: ima_bprm_check, ima_file_mmap,
* and ima_file_check.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/file.h>
#include <linux/binfmts.h>
@@ -427,6 +430,16 @@
ima_init_template_list();
hash_setup(CONFIG_IMA_DEFAULT_HASH);
error = ima_init();
+
+ if (error && strcmp(hash_algo_name[ima_hash_algo],
+ CONFIG_IMA_DEFAULT_HASH) != 0) {
+ pr_info("Allocating %s failed, going to use default hash algorithm %s\n",
+ hash_algo_name[ima_hash_algo], CONFIG_IMA_DEFAULT_HASH);
+ hash_setup_done = 0;
+ hash_setup(CONFIG_IMA_DEFAULT_HASH);
+ error = ima_init();
+ }
+
if (!error) {
ima_initialized = 1;
ima_update_policy_flag();
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 15e82a6..4fdc9e1 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -592,7 +592,7 @@
else
timeri->flags |= SNDRV_TIMER_IFLG_PAUSED;
snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
- SNDRV_TIMER_EVENT_CONTINUE);
+ SNDRV_TIMER_EVENT_PAUSE);
unlock:
spin_unlock_irqrestore(&timer->lock, flags);
return result;
@@ -614,7 +614,7 @@
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
- SNDRV_TIMER_EVENT_CONTINUE);
+ SNDRV_TIMER_EVENT_PAUSE);
spin_unlock(&timeri->timer->lock);
}
spin_unlock_irqrestore(&slave_active_lock, flags);
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 8632301..b67de2b 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -68,10 +68,13 @@
return -ENOMEM;
uctl->id = slave->slave.id;
err = slave->slave.get(&slave->slave, uctl);
+ if (err < 0)
+ goto error;
for (ch = 0; ch < slave->info.count; ch++)
slave->vals[ch] = uctl->value.integer.value[ch];
+ error:
kfree(uctl);
- return 0;
+ return err < 0 ? err : 0;
}
/* get the slave ctl info and save the initial values */
diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c
index 457a152..785f4e9 100644
--- a/tools/hv/hv_fcopy_daemon.c
+++ b/tools/hv/hv_fcopy_daemon.c
@@ -23,13 +23,14 @@
#include <unistd.h>
#include <errno.h>
#include <linux/hyperv.h>
+#include <linux/limits.h>
#include <syslog.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
static int target_fd;
-static char target_fname[W_MAX_PATH];
+static char target_fname[PATH_MAX];
static unsigned long long filesize;
static int hv_start_fcopy(struct hv_start_fcopy *smsg)
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index b2b4ebf..34031a2 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -22,6 +22,7 @@
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
+#include <sys/sysmacros.h>
#include <fcntl.h>
#include <stdio.h>
#include <mntent.h>
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 91ef44b..2a858ea 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -368,7 +368,8 @@
ifeq ($(USE_CLANG), 1)
CLANGLIBS_LIST = AST Basic CodeGen Driver Frontend Lex Tooling Edit Sema Analysis Parse Serialization
- LIBCLANG = $(foreach l,$(CLANGLIBS_LIST),$(wildcard $(shell $(LLVM_CONFIG) --libdir)/libclang$(l).a))
+ CLANGLIBS_NOEXT_LIST = $(foreach l,$(CLANGLIBS_LIST),$(shell $(LLVM_CONFIG) --libdir)/libclang$(l))
+ LIBCLANG = $(foreach l,$(CLANGLIBS_NOEXT_LIST),$(wildcard $(l).a $(l).so))
LIBS += -Wl,--start-group $(LIBCLANG) -Wl,--end-group
endif
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b205c13..3b570e8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -926,6 +926,15 @@
}
}
+ /*
+ * If we have just single event and are sending data
+ * through pipe, we need to force the ids allocation,
+ * because we synthesize event name through the pipe
+ * and need the id for that.
+ */
+ if (data->is_pipe && rec->evlist->nr_entries == 1)
+ rec->opts.sample_id = true;
+
if (record__open(rec) != 0) {
err = -1;
goto out_child;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 9df0af1..52486c9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -2185,11 +2185,16 @@
return 0;
if (transaction_run) {
+ struct parse_events_error errinfo;
+
if (pmu_have_event("cpu", "cycles-ct") &&
pmu_have_event("cpu", "el-start"))
- err = parse_events(evsel_list, transaction_attrs, NULL);
+ err = parse_events(evsel_list, transaction_attrs,
+ &errinfo);
else
- err = parse_events(evsel_list, transaction_limited_attrs, NULL);
+ err = parse_events(evsel_list,
+ transaction_limited_attrs,
+ &errinfo);
if (err) {
fprintf(stderr, "Cannot set up transaction events\n");
return -1;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index dd57978..3103a33 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1080,8 +1080,10 @@
static int perf_top_config(const char *var, const char *value, void *cb __maybe_unused)
{
- if (!strcmp(var, "top.call-graph"))
- var = "call-graph.record-mode"; /* fall-through */
+ if (!strcmp(var, "top.call-graph")) {
+ var = "call-graph.record-mode";
+ return perf_default_config(var, value, cb);
+ }
if (!strcmp(var, "top.children")) {
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
return 0;
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 5508638..de1debc 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -61,6 +61,7 @@
bool tail_synthesize;
bool overwrite;
bool ignore_missing_thread;
+ bool sample_id;
unsigned int freq;
unsigned int mmap_pages;
unsigned int auxtrace_mmap_pages;
diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c
index 26041896..2f00806 100644
--- a/tools/perf/tests/dwarf-unwind.c
+++ b/tools/perf/tests/dwarf-unwind.c
@@ -37,6 +37,19 @@
mmap_handler, machine, true, 500);
}
+/*
+ * We need to keep these functions global, despite the
+ * fact that they are used only locally in this object,
+ * in order to keep them around even if the binary is
+ * stripped. If they are gone, the unwind check for
+ * symbol fails.
+ */
+int test_dwarf_unwind__thread(struct thread *thread);
+int test_dwarf_unwind__compare(void *p1, void *p2);
+int test_dwarf_unwind__krava_3(struct thread *thread);
+int test_dwarf_unwind__krava_2(struct thread *thread);
+int test_dwarf_unwind__krava_1(struct thread *thread);
+
#define MAX_STACK 8
static int unwind_entry(struct unwind_entry *entry, void *arg)
@@ -45,12 +58,12 @@
char *symbol = entry->sym ? entry->sym->name : NULL;
static const char *funcs[MAX_STACK] = {
"test__arch_unwind_sample",
- "unwind_thread",
- "compare",
+ "test_dwarf_unwind__thread",
+ "test_dwarf_unwind__compare",
"bsearch",
- "krava_3",
- "krava_2",
- "krava_1",
+ "test_dwarf_unwind__krava_3",
+ "test_dwarf_unwind__krava_2",
+ "test_dwarf_unwind__krava_1",
"test__dwarf_unwind"
};
/*
@@ -77,7 +90,7 @@
return strcmp((const char *) symbol, funcs[idx]);
}
-static noinline int unwind_thread(struct thread *thread)
+noinline int test_dwarf_unwind__thread(struct thread *thread)
{
struct perf_sample sample;
unsigned long cnt = 0;
@@ -108,7 +121,7 @@
static int global_unwind_retval = -INT_MAX;
-static noinline int compare(void *p1, void *p2)
+noinline int test_dwarf_unwind__compare(void *p1, void *p2)
{
/* Any possible value should be 'thread' */
struct thread *thread = *(struct thread **)p1;
@@ -117,17 +130,17 @@
/* Call unwinder twice for both callchain orders. */
callchain_param.order = ORDER_CALLER;
- global_unwind_retval = unwind_thread(thread);
+ global_unwind_retval = test_dwarf_unwind__thread(thread);
if (!global_unwind_retval) {
callchain_param.order = ORDER_CALLEE;
- global_unwind_retval = unwind_thread(thread);
+ global_unwind_retval = test_dwarf_unwind__thread(thread);
}
}
return p1 - p2;
}
-static noinline int krava_3(struct thread *thread)
+noinline int test_dwarf_unwind__krava_3(struct thread *thread)
{
struct thread *array[2] = {thread, thread};
void *fp = &bsearch;
@@ -141,18 +154,19 @@
size_t, int (*)(void *, void *));
_bsearch = fp;
- _bsearch(array, &thread, 2, sizeof(struct thread **), compare);
+ _bsearch(array, &thread, 2, sizeof(struct thread **),
+ test_dwarf_unwind__compare);
return global_unwind_retval;
}
-static noinline int krava_2(struct thread *thread)
+noinline int test_dwarf_unwind__krava_2(struct thread *thread)
{
- return krava_3(thread);
+ return test_dwarf_unwind__krava_3(thread);
}
-static noinline int krava_1(struct thread *thread)
+noinline int test_dwarf_unwind__krava_1(struct thread *thread)
{
- return krava_2(thread);
+ return test_dwarf_unwind__krava_2(thread);
}
int test__dwarf_unwind(struct test *test __maybe_unused, int subtest __maybe_unused)
@@ -189,7 +203,7 @@
goto out;
}
- err = krava_1(thread);
+ err = test_dwarf_unwind__krava_1(thread);
thread__put(thread);
out:
diff --git a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
index a2f757d..73bea00 100755
--- a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh
@@ -21,12 +21,12 @@
expected[3]=".*packets transmitted.*"
expected[4]="rtt min.*"
expected[5]="[0-9]+\.[0-9]+[[:space:]]+probe_libc:inet_pton:\([[:xdigit:]]+\)"
- expected[6]=".*inet_pton[[:space:]]\($libc\)$"
+ expected[6]=".*inet_pton[[:space:]]\($libc|inlined\)$"
case "$(uname -m)" in
s390x)
eventattr='call-graph=dwarf'
- expected[7]="gaih_inet[[:space:]]\(inlined\)$"
- expected[8]="__GI_getaddrinfo[[:space:]]\(inlined\)$"
+ expected[7]="gaih_inet.*[[:space:]]\($libc|inlined\)$"
+ expected[8]="__GI_getaddrinfo[[:space:]]\($libc|inlined\)$"
expected[9]="main[[:space:]]\(.*/bin/ping.*\)$"
expected[10]="__libc_start_main[[:space:]]\($libc\)$"
expected[11]="_start[[:space:]]\(.*/bin/ping.*\)$"
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index f6789fb..884cad1 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -125,7 +125,7 @@
if (pair && UM(pair->start) == mem_start) {
next_pair:
- if (strcmp(sym->name, pair->name) == 0) {
+ if (arch__compare_symbol_names(sym->name, pair->name) == 0) {
/*
* kallsyms don't have the symbol end, so we
* set that by using the next symbol start - 1,
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 8f7f59d..0c486d2 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -312,6 +312,7 @@
struct map_symbol *ms = ab->b.priv;
struct symbol *sym = ms->sym;
u8 pcnt_width = annotate_browser__pcnt_width(ab);
+ int width = 0;
/* PLT symbols contain external offsets */
if (strstr(sym->name, "@plt"))
@@ -335,13 +336,17 @@
to = (u64)btarget->idx;
}
+ if (ab->have_cycles)
+ width = IPC_WIDTH + CYCLES_WIDTH;
+
ui_browser__set_color(browser, HE_COLORSET_JUMP_ARROWS);
- __ui_browser__line_arrow(browser, pcnt_width + 2 + ab->addr_width,
+ __ui_browser__line_arrow(browser,
+ pcnt_width + 2 + ab->addr_width + width,
from, to);
if (is_fused(ab, cursor)) {
ui_browser__mark_fused(browser,
- pcnt_width + 3 + ab->addr_width,
+ pcnt_width + 3 + ab->addr_width + width,
from - 1,
to > from ? true : false);
}
diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp
index 1bfc946..bf31cea 100644
--- a/tools/perf/util/c++/clang.cpp
+++ b/tools/perf/util/c++/clang.cpp
@@ -9,6 +9,7 @@
* Copyright (C) 2016 Huawei Inc.
*/
+#include "clang/Basic/Version.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/CompilerInstance.h"
@@ -58,7 +59,8 @@
FrontendOptions& Opts = CI->getFrontendOpts();
Opts.Inputs.clear();
- Opts.Inputs.emplace_back(Path, IK_C);
+ Opts.Inputs.emplace_back(Path,
+ FrontendOptions::getInputKindForExtension("c"));
return CI;
}
@@ -71,10 +73,17 @@
Clang.setVirtualFileSystem(&*VFS);
+#if CLANG_VERSION_MAJOR < 4
IntrusiveRefCntPtr<CompilerInvocation> CI =
createCompilerInvocation(std::move(CFlags), Path,
Clang.getDiagnostics());
Clang.setInvocation(&*CI);
+#else
+ std::shared_ptr<CompilerInvocation> CI(
+ createCompilerInvocation(std::move(CFlags), Path,
+ Clang.getDiagnostics()));
+ Clang.setInvocation(CI);
+#endif
std::unique_ptr<CodeGenAction> Act(new EmitLLVMOnlyAction(&*LLVMCtx));
if (!Clang.ExecuteAction(*Act))
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 0974736..5d42020 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -878,7 +878,7 @@
* cumulated only one time to prevent entries more than 100%
* overhead.
*/
- he_cache = malloc(sizeof(*he_cache) * (iter->max_stack + 1));
+ he_cache = malloc(sizeof(*he_cache) * (callchain_cursor.nr + 1));
if (he_cache == NULL)
return -ENOMEM;
@@ -1043,8 +1043,6 @@
if (err)
return err;
- iter->max_stack = max_stack_depth;
-
err = iter->ops->prepare_entry(iter, al);
if (err)
goto out;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index f6630cb..b99d689 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -107,7 +107,6 @@
int curr;
bool hide_unresolved;
- int max_stack;
struct perf_evsel *evsel;
struct perf_sample *sample;
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index 1e97937..6f09e49 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -137,6 +137,7 @@
struct perf_evsel *evsel;
bool use_sample_identifier = false;
bool use_comm_exec;
+ bool sample_id = opts->sample_id;
/*
* Set the evsel leader links before we configure attributes,
@@ -163,8 +164,7 @@
* match the id.
*/
use_sample_identifier = perf_can_sample_identifier();
- evlist__for_each_entry(evlist, evsel)
- perf_evsel__set_sample_id(evsel, use_sample_identifier);
+ sample_id = true;
} else if (evlist->nr_entries > 1) {
struct perf_evsel *first = perf_evlist__first(evlist);
@@ -174,6 +174,10 @@
use_sample_identifier = perf_can_sample_identifier();
break;
}
+ sample_id = true;
+ }
+
+ if (sample_id) {
evlist__for_each_entry(evlist, evsel)
perf_evsel__set_sample_id(evsel, use_sample_identifier);
}
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 30cd0b2..8e61aad0c 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -202,6 +202,13 @@
idr_remove(&idr, 3);
idr_remove(&idr, 0);
+ assert(idr_alloc(&idr, DUMMY_PTR, 0, 0, GFP_KERNEL) == 0);
+ idr_remove(&idr, 1);
+ for (i = 1; i < RADIX_TREE_MAP_SIZE; i++)
+ assert(idr_alloc(&idr, DUMMY_PTR, 0, 0, GFP_KERNEL) == i);
+ idr_remove(&idr, 1 << 30);
+ idr_destroy(&idr);
+
for (i = INT_MAX - 3UL; i < INT_MAX + 1UL; i++) {
struct item *item = item_create(i, 0);
assert(idr_alloc(&idr, item, i, i + 10, GFP_KERNEL) == i);
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 3c9c0bb..ea300e7 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -122,6 +122,7 @@
BUILD_TARGET=$$BUILD/$$TARGET; \
echo "echo ; echo Running tests in $$TARGET" >> $(ALL_SCRIPT); \
echo "echo ========================================" >> $(ALL_SCRIPT); \
+ echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
echo "cd $$TARGET" >> $(ALL_SCRIPT); \
make -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 8b9470b..96c6238 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -126,6 +126,8 @@
fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j,
2, map_flags);
if (fd < 0) {
+ if (errno == ENOMEM)
+ return;
printf("Failed to create hashmap key=%d value=%d '%s'\n",
i, j, strerror(errno));
exit(1);
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
new file mode 100644
index 0000000..5ba7303
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
@@ -0,0 +1,46 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe event string type argument
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+echo 0 > events/enable
+echo > kprobe_events
+
+case `uname -m` in
+x86_64)
+ ARG2=%si
+ OFFS=8
+;;
+i[3456]86)
+ ARG2=%cx
+ OFFS=4
+;;
+aarch64)
+ ARG2=%x1
+ OFFS=8
+;;
+arm*)
+ ARG2=%r1
+ OFFS=4
+;;
+*)
+ echo "Please implement other architecture here"
+ exit_untested
+esac
+
+: "Test get argument (1)"
+echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string" > kprobe_events
+echo 1 > events/kprobes/testprobe/enable
+! echo test >> kprobe_events
+tail -n 1 trace | grep -qe "testprobe.* arg1=\"test\""
+
+echo 0 > events/kprobes/testprobe/enable
+: "Test get argument (2)"
+echo "p:testprobe create_trace_kprobe arg1=+0(+0(${ARG2})):string arg2=+0(+${OFFS}(${ARG2})):string" > kprobe_events
+echo 1 > events/kprobes/testprobe/enable
+! echo test1 test2 >> kprobe_events
+tail -n 1 trace | grep -qe "testprobe.* arg1=\"test1\" arg2=\"test2\""
+
+echo 0 > events/enable
+echo > kprobe_events
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc
new file mode 100644
index 0000000..231bcd2
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc
@@ -0,0 +1,97 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe event argument syntax
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue
+
+echo 0 > events/enable
+echo > kprobe_events
+
+PROBEFUNC="vfs_read"
+GOODREG=
+BADREG=
+GOODSYM="_sdata"
+if ! grep -qw ${GOODSYM} /proc/kallsyms ; then
+ GOODSYM=$PROBEFUNC
+fi
+BADSYM="deaqswdefr"
+SYMADDR=0x`grep -w ${GOODSYM} /proc/kallsyms | cut -f 1 -d " "`
+GOODTYPE="x16"
+BADTYPE="y16"
+
+case `uname -m` in
+x86_64|i[3456]86)
+ GOODREG=%ax
+ BADREG=%ex
+;;
+aarch64)
+ GOODREG=%x0
+ BADREG=%ax
+;;
+arm*)
+ GOODREG=%r0
+ BADREG=%ax
+;;
+esac
+
+test_goodarg() # Good-args
+{
+ while [ "$1" ]; do
+ echo "p ${PROBEFUNC} $1" > kprobe_events
+ shift 1
+ done;
+}
+
+test_badarg() # Bad-args
+{
+ while [ "$1" ]; do
+ ! echo "p ${PROBEFUNC} $1" > kprobe_events
+ shift 1
+ done;
+}
+
+echo > kprobe_events
+
+: "Register access"
+test_goodarg ${GOODREG}
+test_badarg ${BADREG}
+
+: "Symbol access"
+test_goodarg "@${GOODSYM}" "@${SYMADDR}" "@${GOODSYM}+10" "@${GOODSYM}-10"
+test_badarg "@" "@${BADSYM}" "@${GOODSYM}*10" "@${GOODSYM}/10" \
+ "@${GOODSYM}%10" "@${GOODSYM}&10" "@${GOODSYM}|10"
+
+: "Stack access"
+test_goodarg "\$stack" "\$stack0" "\$stack1"
+test_badarg "\$stackp" "\$stack0+10" "\$stack1-10"
+
+: "Retval access"
+echo "r ${PROBEFUNC} \$retval" > kprobe_events
+! echo "p ${PROBEFUNC} \$retval" > kprobe_events
+
+: "Comm access"
+test_goodarg "\$comm"
+
+: "Indirect memory access"
+test_goodarg "+0(${GOODREG})" "-0(${GOODREG})" "+10(\$stack)" \
+ "+0(\$stack1)" "+10(@${GOODSYM}-10)" "+0(+10(+20(\$stack)))"
+test_badarg "+(${GOODREG})" "(${GOODREG}+10)" "-(${GOODREG})" "(${GOODREG})" \
+ "+10(\$comm)" "+0(${GOODREG})+10"
+
+: "Name assignment"
+test_goodarg "varname=${GOODREG}"
+test_badarg "varname=varname2=${GOODREG}"
+
+: "Type syntax"
+test_goodarg "${GOODREG}:${GOODTYPE}"
+test_badarg "${GOODREG}::${GOODTYPE}" "${GOODREG}:${BADTYPE}" \
+ "${GOODTYPE}:${GOODREG}"
+
+: "Combination check"
+
+test_goodarg "\$comm:string" "+0(\$stack):string"
+test_badarg "\$comm:x64" "\$stack:string" "${GOODREG}:string"
+
+echo > kprobe_events
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc b/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc
new file mode 100644
index 0000000..4fda01a
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc
@@ -0,0 +1,43 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe events - probe points
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+TARGET_FUNC=create_trace_kprobe
+
+dec_addr() { # hexaddr
+ printf "%d" "0x"`echo $1 | tail -c 8`
+}
+
+set_offs() { # prev target next
+ A1=`dec_addr $1`
+ A2=`dec_addr $2`
+ A3=`dec_addr $3`
+ TARGET="0x$2" # an address
+ PREV=`expr $A1 - $A2` # offset to previous symbol
+ NEXT=+`expr $A3 - $A2` # offset to next symbol
+ OVERFLOW=+`printf "0x%x" ${PREV}` # overflow offset to previous symbol
+}
+
+# We have to decode symbol addresses to get correct offsets.
+# If the offset is not an instruction boundary, it cause -EILSEQ.
+set_offs `grep -A1 -B1 ${TARGET_FUNC} /proc/kallsyms | cut -f 1 -d " " | xargs`
+
+UINT_TEST=no
+# printf "%x" -1 returns (unsigned long)-1.
+if [ `printf "%x" -1 | wc -c` != 9 ]; then
+ UINT_TEST=yes
+fi
+
+echo 0 > events/enable
+echo > kprobe_events
+echo "p:testprobe ${TARGET_FUNC}" > kprobe_events
+echo "p:testprobe ${TARGET}" > kprobe_events
+echo "p:testprobe ${TARGET_FUNC}${NEXT}" > kprobe_events
+! echo "p:testprobe ${TARGET_FUNC}${PREV}" > kprobe_events
+if [ "${UINT_TEST}" = yes ]; then
+! echo "p:testprobe ${TARGET_FUNC}${OVERFLOW}" > kprobe_events
+fi
+echo > kprobe_events
+clear_trace
diff --git a/tools/testing/selftests/futex/Makefile b/tools/testing/selftests/futex/Makefile
index cea4adc..a63e845 100644
--- a/tools/testing/selftests/futex/Makefile
+++ b/tools/testing/selftests/futex/Makefile
@@ -12,9 +12,9 @@
BUILD_TARGET=$(OUTPUT)/$$DIR; \
mkdir $$BUILD_TARGET -p; \
make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\
- if [ -e $$DIR/$(TEST_PROGS) ]; then
- rsync -a $$DIR/$(TEST_PROGS) $$BUILD_TARGET/;
- fi
+ if [ -e $$DIR/$(TEST_PROGS) ]; then \
+ rsync -a $$DIR/$(TEST_PROGS) $$BUILD_TARGET/; \
+ fi \
done
override define RUN_TESTS
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index 3926a04..36409cb 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -5,6 +5,7 @@
CFLAGS += -I../../../../usr/include/
TEST_PROGS := run_tests.sh
+TEST_FILES := run_fuse_test.sh
TEST_GEN_FILES := memfd_test fuse_mnt fuse_test
fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags)
diff --git a/tools/testing/selftests/memfd/config b/tools/testing/selftests/memfd/config
new file mode 100644
index 0000000..835c7f4
--- /dev/null
+++ b/tools/testing/selftests/memfd/config
@@ -0,0 +1 @@
+CONFIG_FUSE_FS=m
diff --git a/tools/testing/selftests/net/psock_fanout.c b/tools/testing/selftests/net/psock_fanout.c
index 989f917..d4346b1 100644
--- a/tools/testing/selftests/net/psock_fanout.c
+++ b/tools/testing/selftests/net/psock_fanout.c
@@ -128,6 +128,8 @@
static void sock_fanout_set_ebpf(int fd)
{
+ static char log_buf[65536];
+
const int len_off = __builtin_offsetof(struct __sk_buff, len);
struct bpf_insn prog[] = {
{ BPF_ALU64 | BPF_MOV | BPF_X, 6, 1, 0, 0 },
@@ -140,7 +142,6 @@
{ BPF_ALU | BPF_MOV | BPF_K, 0, 0, 0, 0 },
{ BPF_JMP | BPF_EXIT, 0, 0, 0, 0 }
};
- char log_buf[512];
union bpf_attr attr;
int pfd;
diff --git a/tools/testing/selftests/powerpc/mm/subpage_prot.c b/tools/testing/selftests/powerpc/mm/subpage_prot.c
index 35ade74..3ae77ba 100644
--- a/tools/testing/selftests/powerpc/mm/subpage_prot.c
+++ b/tools/testing/selftests/powerpc/mm/subpage_prot.c
@@ -135,6 +135,16 @@
return 0;
}
+static int syscall_available(void)
+{
+ int rc;
+
+ errno = 0;
+ rc = syscall(__NR_subpage_prot, 0, 0, 0);
+
+ return rc == 0 || (errno != ENOENT && errno != ENOSYS);
+}
+
int test_anon(void)
{
unsigned long align;
@@ -145,6 +155,8 @@
void *mallocblock;
unsigned long mallocsize;
+ SKIP_IF(!syscall_available());
+
if (getpagesize() != 0x10000) {
fprintf(stderr, "Kernel page size must be 64K!\n");
return 1;
@@ -180,6 +192,8 @@
off_t filesize;
int fd;
+ SKIP_IF(!syscall_available());
+
fd = open(file_name, O_RDWR);
if (fd == -1) {
perror("failed to open file");
diff --git a/tools/testing/selftests/pstore/config b/tools/testing/selftests/pstore/config
index 6a8e5a9..d148f9f 100644
--- a/tools/testing/selftests/pstore/config
+++ b/tools/testing/selftests/pstore/config
@@ -2,3 +2,4 @@
CONFIG_PSTORE=y
CONFIG_PSTORE_PMSG=y
CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_RAM=m
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 194759e..e350cf3 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -145,6 +145,15 @@
#define SECCOMP_FILTER_FLAG_SPEC_ALLOW (1UL << 2)
#endif
+#ifndef PTRACE_SECCOMP_GET_METADATA
+#define PTRACE_SECCOMP_GET_METADATA 0x420d
+
+struct seccomp_metadata {
+ __u64 filter_off; /* Input: which filter */
+ __u64 flags; /* Output: filter's flags */
+};
+#endif
+
#ifndef seccomp
int seccomp(unsigned int op, unsigned int flags, void *args)
{
@@ -2861,6 +2870,58 @@
EXPECT_EQ(errno, EOPNOTSUPP);
}
+TEST(get_metadata)
+{
+ pid_t pid;
+ int pipefd[2];
+ char buf;
+ struct seccomp_metadata md;
+
+ ASSERT_EQ(0, pipe(pipefd));
+
+ pid = fork();
+ ASSERT_GE(pid, 0);
+ if (pid == 0) {
+ struct sock_filter filter[] = {
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
+ };
+ struct sock_fprog prog = {
+ .len = (unsigned short)ARRAY_SIZE(filter),
+ .filter = filter,
+ };
+
+ /* one with log, one without */
+ ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER,
+ SECCOMP_FILTER_FLAG_LOG, &prog));
+ ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog));
+
+ ASSERT_EQ(0, close(pipefd[0]));
+ ASSERT_EQ(1, write(pipefd[1], "1", 1));
+ ASSERT_EQ(0, close(pipefd[1]));
+
+ while (1)
+ sleep(100);
+ }
+
+ ASSERT_EQ(0, close(pipefd[1]));
+ ASSERT_EQ(1, read(pipefd[0], &buf, 1));
+
+ ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid));
+ ASSERT_EQ(pid, waitpid(pid, NULL, 0));
+
+ md.filter_off = 0;
+ ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ EXPECT_EQ(md.flags, SECCOMP_FILTER_FLAG_LOG);
+ EXPECT_EQ(md.filter_off, 0);
+
+ md.filter_off = 1;
+ ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
+ EXPECT_EQ(md.flags, 0);
+ EXPECT_EQ(md.filter_off, 1);
+
+ ASSERT_EQ(0, kill(pid, SIGKILL));
+}
+
/*
* TODO:
* - add microbenchmarks
diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
index b3c8ba3..d0121a8 100644
--- a/tools/testing/selftests/sync/Makefile
+++ b/tools/testing/selftests/sync/Makefile
@@ -30,7 +30,7 @@
$(CC) -o $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS) $(CFLAGS) $(LDFLAGS)
$(OBJS): $(OUTPUT)/%.o: %.c
- $(CC) -c $^ -o $@
+ $(CC) -c $^ -o $@ $(CFLAGS)
$(TESTS): $(OUTPUT)/%.o: %.c
$(CC) -c $^ -o $@
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index 3d5a62ff..f5d7a78 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
+include ../lib.mk
+
ifndef CROSS_COMPILE
CFLAGS := -std=gnu99
CFLAGS_vdso_standalone_test_x86 := -nostdlib -fno-asynchronous-unwind-tables -fno-stack-protector
@@ -6,16 +8,14 @@
LDLIBS += -lgcc_s
endif
-TEST_PROGS := vdso_test vdso_standalone_test_x86
+TEST_PROGS := $(OUTPUT)/vdso_test $(OUTPUT)/vdso_standalone_test_x86
all: $(TEST_PROGS)
-vdso_test: parse_vdso.c vdso_test.c
-vdso_standalone_test_x86: vdso_standalone_test_x86.c parse_vdso.c
+$(OUTPUT)/vdso_test: parse_vdso.c vdso_test.c
+$(OUTPUT)/vdso_standalone_test_x86: vdso_standalone_test_x86.c parse_vdso.c
$(CC) $(CFLAGS) $(CFLAGS_vdso_standalone_test_x86) \
vdso_standalone_test_x86.c parse_vdso.c \
- -o vdso_standalone_test_x86
+ -o $@
-include ../lib.mk
-clean:
- rm -fr $(TEST_PROGS)
+EXTRA_CLEAN := $(TEST_PROGS)
endif
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index cc82632..45708aa 100755
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -2,25 +2,33 @@
# SPDX-License-Identifier: GPL-2.0
#please run as root
-#we need 256M, below is the size in kB
-needmem=262144
mnt=./huge
exitcode=0
-#get pagesize and freepages from /proc/meminfo
+#get huge pagesize and freepages from /proc/meminfo
while read name size unit; do
if [ "$name" = "HugePages_Free:" ]; then
freepgs=$size
fi
if [ "$name" = "Hugepagesize:" ]; then
- pgsize=$size
+ hpgsize_KB=$size
fi
done < /proc/meminfo
+# Simple hugetlbfs tests have a hardcoded minimum requirement of
+# huge pages totaling 256MB (262144KB) in size. The userfaultfd
+# hugetlb test requires a minimum of 2 * nr_cpus huge pages. Take
+# both of these requirements into account and attempt to increase
+# number of huge pages available.
+nr_cpus=$(nproc)
+hpgsize_MB=$((hpgsize_KB / 1024))
+half_ufd_size_MB=$((((nr_cpus * hpgsize_MB + 127) / 128) * 128))
+needmem_KB=$((half_ufd_size_MB * 2 * 1024))
+
#set proper nr_hugepages
-if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then
+if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
- needpgs=`expr $needmem / $pgsize`
+ needpgs=$((needmem_KB / hpgsize_KB))
tries=2
while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
lackpgs=$(( $needpgs - $freepgs ))
@@ -107,8 +115,9 @@
echo "---------------------------"
echo "running userfaultfd_hugetlb"
echo "---------------------------"
-# 256MB total huge pages == 128MB src and 128MB dst
-./userfaultfd hugetlb 128 32 $mnt/ufd_test_file
+# Test requires source and destination huge pages. Size of source
+# (half_ufd_size_MB) is passed as argument to test.
+./userfaultfd hugetlb $half_ufd_size_MB 32 $mnt/ufd_test_file
if [ $? -ne 0 ]; then
echo "[FAIL]"
exitcode=1
diff --git a/tools/thermal/tmon/sysfs.c b/tools/thermal/tmon/sysfs.c
index 1c12536..18f5235 100644
--- a/tools/thermal/tmon/sysfs.c
+++ b/tools/thermal/tmon/sysfs.c
@@ -486,6 +486,7 @@
int update_thermal_data()
{
int i;
+ int next_thermal_record = cur_thermal_record + 1;
char tz_name[256];
static unsigned long samples;
@@ -495,9 +496,9 @@
}
/* circular buffer for keeping historic data */
- if (cur_thermal_record >= NR_THERMAL_RECORDS)
- cur_thermal_record = 0;
- gettimeofday(&trec[cur_thermal_record].tv, NULL);
+ if (next_thermal_record >= NR_THERMAL_RECORDS)
+ next_thermal_record = 0;
+ gettimeofday(&trec[next_thermal_record].tv, NULL);
if (tmon_log) {
fprintf(tmon_log, "%lu ", ++samples);
fprintf(tmon_log, "%3.1f ", p_param.t_target);
@@ -507,11 +508,12 @@
snprintf(tz_name, 256, "%s/%s%d", THERMAL_SYSFS, TZONE,
ptdata.tzi[i].instance);
sysfs_get_ulong(tz_name, "temp",
- &trec[cur_thermal_record].temp[i]);
+ &trec[next_thermal_record].temp[i]);
if (tmon_log)
fprintf(tmon_log, "%lu ",
- trec[cur_thermal_record].temp[i]/1000);
+ trec[next_thermal_record].temp[i] / 1000);
}
+ cur_thermal_record = next_thermal_record;
for (i = 0; i < ptdata.nr_cooling_dev; i++) {
char cdev_name[256];
unsigned long val;
diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c
index 9aa1965..b43138f 100644
--- a/tools/thermal/tmon/tmon.c
+++ b/tools/thermal/tmon/tmon.c
@@ -336,7 +336,6 @@
show_data_w();
show_cooling_device();
}
- cur_thermal_record++;
time_elapsed += ticktime;
controller_handler(trec[0].temp[target_tz_index] / 1000,
&yk);
diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c
index c1e4bdd..b4c5baf 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.c
+++ b/virt/kvm/arm/vgic/vgic-mmio.c
@@ -110,9 +110,12 @@
/* Loop over all IRQs affected by this read */
for (i = 0; i < len * 8; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+ unsigned long flags;
+ spin_lock_irqsave(&irq->irq_lock, flags);
if (irq_is_pending(irq))
value |= (1U << i);
+ spin_unlock_irqrestore(&irq->irq_lock, flags);
vgic_put_irq(vcpu->kvm, irq);
}
diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h
index f7450dc..21a2240 100644
--- a/virt/kvm/arm/vgic/vgic.h
+++ b/virt/kvm/arm/vgic/vgic.h
@@ -96,6 +96,7 @@
/* we only support 64 kB translation table page size */
#define KVM_ITS_L1E_ADDR_MASK GENMASK_ULL(51, 16)
+/* Requires the irq_lock to be held by the caller. */
static inline bool irq_is_pending(struct vgic_irq *irq)
{
if (irq->config == VGIC_CONFIG_EDGE)