Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fix zImage.coff generation for 32-bit pmac
[POWERPC] Fix compile breakage for IBM/AMCC 4xx arch/ppc platforms
[POWERPC] Don't allow PMAC_APM_EMU for 64-bit
[POWERPC] Compare irq numbers with NO_IRQ not IRQ_NONE
[POWERPC] Fix return from pte_alloc_one() in out-of-memory case
[POWERPC] Fix compile warning in pseries xics code
[POWERPC] Don't use HOSTCFLAGS in BOOTCFLAGS
[POWERPC] Create a zImage for legacy iSeries
[POWERPC] pasemi idle uses hard_smp_processor_id
[POWERPC] ps3/interrupt.c uses get_hard_smp_processor_id
[POWERPC] Fix possible access to free pages
[POWERPC] Fix compiler/assembler flags for Ebony platform boot files
[POWERPC] Fix ppc32 single-stepping out of syscalls
[POWERPC] Update documentation for of_find_node_by_type()
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 6238b58..fbafd96 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -142,7 +142,6 @@
# Default to zImage, override when needed
defaultimage-y := zImage
-defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
defaultimage-$(CONFIG_DEFAULT_UIMAGE) := uImage
KBUILD_IMAGE := $(defaultimage-y)
all: $(KBUILD_IMAGE)
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 8378898..ff27019 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -11,20 +11,18 @@
# bootloader and increase compatibility with OpenFirmware.
#
# To this end we need to define BOOTCC, etc, as the tools
-# needed to build the 32 bit image. These are normally HOSTCC,
-# but may be a third compiler if, for example, you are cross
-# compiling from an intel box. Once the 64bit ppc gcc is
-# stable it will probably simply be a compiler switch to
-# compile for 32bit mode.
+# needed to build the 32 bit image. That's normally the same
+# compiler for the rest of the kernel, with the -m32 flag added.
# To make it easier to setup a cross compiler,
# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
# in the toplevel makefile.
all: $(obj)/zImage
-HOSTCC := gcc
-BOOTCFLAGS := $(HOSTCFLAGS) -fno-builtin -nostdinc -isystem \
- $(shell $(CROSS32CC) -print-file-name=include) -fPIC
+BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
+ -fno-strict-aliasing -Os -msoft-float -pipe \
+ -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
+ -isystem $(shell $(CROSS32CC) -print-file-name=include)
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
ifeq ($(call cc-option-yn, -fstack-protector),y)
@@ -33,8 +31,8 @@
BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj)
-$(obj)/44x.o: BOOTCFLAGS += -Wa,-mbooke
-$(obj)/ebony.o: BOOTCFLAGS += -Wa,-mbooke
+$(obj)/44x.o: BOOTCFLAGS += -mcpu=440
+$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
zlib := inffast.c inflate.c inftrees.c
zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h
@@ -136,6 +134,7 @@
image-$(CONFIG_PPC_PMAC) += zImage.pmac
image-$(CONFIG_PPC_HOLLY) += zImage.holly-elf
image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800
+image-$(CONFIG_PPC_ISERIES) += zImage.iseries
image-$(CONFIG_DEFAULT_UIMAGE) += uImage
ifneq ($(CONFIG_DEVICE_TREE),"")
@@ -185,6 +184,9 @@
$(obj)/zImage.%: vmlinux $(wrapperbits)
$(call if_changed,wrap,$*)
+$(obj)/zImage.iseries: vmlinux
+ $(STRIP) -s -R .comment $< -o $@
+
$(obj)/zImage.ps3: vmlinux
$(STRIP) -s -R .comment $< -o $@
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 2ed8b8b..da77adc 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -129,7 +129,7 @@
pmac|pseries|chrp)
platformo=$object/of.o
;;
-pmaccoff)
+coff)
platformo=$object/of.o
lds=$object/zImage.coff.lds
;;
@@ -220,7 +220,7 @@
pseries|chrp)
$object/addnote "$ofile"
;;
-pmaccoff)
+coff)
${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile"
$object/hack-coff "$ofile"
;;
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 068377a..42c8ed6 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -489,7 +489,7 @@
case IRQ_HOST_MAP_LINEAR:
rmap = (unsigned int *)(host + 1);
for (i = 0; i < revmap_arg; i++)
- rmap[i] = IRQ_NONE;
+ rmap[i] = NO_IRQ;
host->revmap_data.linear.size = revmap_arg;
smp_wmb();
host->revmap_data.linear.revmap = rmap;
@@ -614,7 +614,7 @@
* host->ops->map() to update the flags
*/
virq = irq_find_mapping(host, hwirq);
- if (virq != IRQ_NONE) {
+ if (virq != NO_IRQ) {
if (host->ops->remap)
host->ops->remap(host, virq, hwirq);
pr_debug("irq: -> existing mapping on virq %d\n", virq);
@@ -741,7 +741,7 @@
switch(host->revmap_type) {
case IRQ_HOST_MAP_LINEAR:
if (hwirq < host->revmap_data.linear.size)
- host->revmap_data.linear.revmap[hwirq] = IRQ_NONE;
+ host->revmap_data.linear.revmap[hwirq] = NO_IRQ;
break;
case IRQ_HOST_MAP_TREE:
/* Check if radix tree allocated yet */
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 066a6a7..af42dda 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1171,11 +1171,12 @@
/**
* of_find_node_by_type - Find a node by its "device_type" property
- * @from: The node to start searching from or NULL, the node
- * you pass will not be searched, only the next one
- * will; typically, you pass what the previous call
- * returned. of_node_put() will be called on it
- * @name: The type string to match against
+ * @from: The node to start searching from, or NULL to start searching
+ * the entire device tree. The node you pass will not be
+ * searched, only the next one will; typically, you pass
+ * what the previous call returned. of_node_put() will be
+ * called on from for you.
+ * @type: The type string to match against
*
* Returns a node pointer with refcount incremented, use
* of_node_put() on it when done.
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index f4f391c..bf76562 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -218,6 +218,7 @@
regs->msr |= MSR_SE;
#endif
}
+ set_tsk_thread_flag(task, TIF_SINGLESTEP);
}
static inline void
@@ -233,6 +234,7 @@
regs->msr &= ~MSR_SE;
#endif
}
+ clear_tsk_thread_flag(task, TIF_SINGLESTEP);
}
#endif /* CONFIG_PPC32 */
diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c
index 03cd45d8..3c962d5 100644
--- a/arch/powerpc/platforms/pasemi/idle.c
+++ b/arch/powerpc/platforms/pasemi/idle.c
@@ -26,6 +26,7 @@
#include <asm/machdep.h>
#include <asm/reg.h>
+#include <asm/smp.h>
#include "pasemi.h"
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 9da82c2..ec9030d 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -25,6 +25,7 @@
#include <asm/machdep.h>
#include <asm/udbg.h>
#include <asm/lv1call.h>
+#include <asm/smp.h>
#include "platform.h"
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index b854e7f..f1df942 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -752,6 +752,7 @@
void xics_request_IPIs(void)
{
unsigned int ipi;
+ int rc;
ipi = irq_create_mapping(xics_host, XICS_IPI);
BUG_ON(ipi == NO_IRQ);
@@ -762,11 +763,12 @@
*/
set_irq_handler(ipi, handle_percpu_irq);
if (firmware_has_feature(FW_FEATURE_LPAR))
- request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
- "IPI", NULL);
+ rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
+ "IPI", NULL);
else
- request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
- "IPI", NULL);
+ rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
+ "IPI", NULL);
+ BUG_ON(rc);
}
#endif /* CONFIG_SMP */
diff --git a/arch/ppc/syslib/ibm_ocp.c b/arch/ppc/syslib/ibm_ocp.c
index 3f6e55c..2ee1766 100644
--- a/arch/ppc/syslib/ibm_ocp.c
+++ b/arch/ppc/syslib/ibm_ocp.c
@@ -1,4 +1,5 @@
#include <linux/module.h>
+#include <asm/ibm4xx.h>
#include <asm/ocp.h>
struct ocp_sys_info_data ocp_sys_info = {
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index f44c94a..ee699a7 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -114,7 +114,7 @@
config PMAC_APM_EMU
tristate "APM emulation"
select APM_EMULATION
- depends on ADB_PMU && PM
+ depends on ADB_PMU && PM && PPC32
config PMAC_MEDIABAY
bool "Support PowerBook hotswap media bay"
diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h
index d9a3a8c..94d0294 100644
--- a/include/asm-powerpc/pgalloc-64.h
+++ b/include/asm-powerpc/pgalloc-64.h
@@ -90,7 +90,8 @@
static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
- return virt_to_page(pte_alloc_one_kernel(mm, address));
+ pte_t *pte = pte_alloc_one_kernel(mm, address);
+ return pte ? virt_to_page(pte) : NULL;
}
static inline void pte_free_kernel(pte_t *pte)
diff --git a/include/asm-powerpc/tlb.h b/include/asm-powerpc/tlb.h
index 0a17682..6671404 100644
--- a/include/asm-powerpc/tlb.h
+++ b/include/asm-powerpc/tlb.h
@@ -38,6 +38,15 @@
static inline void tlb_flush(struct mmu_gather *tlb)
{
+ struct ppc64_tlb_batch *tlbbatch = &__get_cpu_var(ppc64_tlb_batch);
+
+ /* If there's a TLB batch pending, then we must flush it because the
+ * pages are going to be freed and we really don't want to have a CPU
+ * access a freed page because it has a stale TLB
+ */
+ if (tlbbatch->index)
+ __flush_tlb_pending(tlbbatch);
+
pte_free_finish();
}