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Subject[PATCH RFC 2/2] powerpc: Remove -fno-omit-frame-pointer workarounds
The workarounds aren't needed any longer since the top level Makefile
doesn't pass -fno-omit-frame-pointer cflag for PowerPC builds.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
---
arch/powerpc/Makefile | 5 -----
arch/powerpc/kernel/Makefile | 12 ++++++------
arch/powerpc/platforms/powermac/Makefile | 2 +-
lib/Kconfig.debug | 6 +++---
4 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index bc35f4e..dd3c63b 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -120,11 +120,6 @@ ifeq ($(CONFIG_6xx),y)
KBUILD_CFLAGS += -mcpu=powerpc
endif

-# Work around a gcc code-gen bug with -fno-omit-frame-pointer.
-ifeq ($(CONFIG_FUNCTION_TRACER),y)
-KBUILD_CFLAGS += -mno-sched-epilog
-endif
-
cpu-as-$(CONFIG_4xx) += -Wa,-m405
cpu-as-$(CONFIG_6xx) += -Wa,-maltivec
cpu-as-$(CONFIG_POWER4) += -Wa,-maltivec
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 612b0c4..19ebe1b 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -14,14 +14,14 @@ endif

ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code
-CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog
-CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog
-CFLAGS_REMOVE_btext.o = -pg -mno-sched-epilog
-CFLAGS_REMOVE_prom.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_cputable.o = -pg
+CFLAGS_REMOVE_prom_init.o = -pg
+CFLAGS_REMOVE_btext.o = -pg
+CFLAGS_REMOVE_prom.o = -pg
# do not trace tracer code
-CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_ftrace.o = -pg
# timers used by tracing
-CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_time.o = -pg
endif

obj-y := cputable.o ptrace.o syscalls.o \
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 50f1693..0eb8781 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -2,7 +2,7 @@ CFLAGS_bootx_init.o += -fPIC

ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code
-CFLAGS_REMOVE_bootx_init.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_bootx_init.o = -pg
endif

obj-y += pic.o setup.o time.o feature.o pci.o \
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 39f113a..1479e54 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -492,7 +492,7 @@ config LOCKDEP
bool
depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
select STACKTRACE
- select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390
+ select FRAME_POINTER if !MIPS && !ARM_UNWIND && !S390
select KALLSYMS
select KALLSYMS_ALL

@@ -861,13 +861,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER
depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
depends on !X86_64
select STACKTRACE
- select FRAME_POINTER if !PPC && !S390
+ select FRAME_POINTER if !S390
help
Provide stacktrace filter for fault-injection capabilities

config LATENCYTOP
bool "Latency measuring infrastructure"
- select FRAME_POINTER if !MIPS && !PPC && !S390
+ select FRAME_POINTER if !MIPS && !S390
select KALLSYMS
select KALLSYMS_ALL
select STACKTRACE
--
1.6.3.1

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