Ben,

Can you ACK or take this patch too.

Thanks,

-- Steve


On Fri, 2009-03-20 at 19:44 +0300, Anton Vorontsov wrote:
> The workarounds aren't needed any longer since the top level Makefile
> doesn't pass -fno-omit-frame-pointer cflag for PowerPC.
> 
> Signed-off-by: Anton Vorontsov <avoront...@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 551fc58..1dd7748 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 dfec3d2..f86caeb 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 fc8cd1f..713620d 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -493,7 +493,7 @@ config LOCKDEP
>       bool
>       depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT 
> && LOCKDEP_SUPPORT
>       select STACKTRACE
> -     select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND
> +     select FRAME_POINTER if !MIPS && !ARM_UNWIND
>       select KALLSYMS
>       select KALLSYMS_ALL
>  
> @@ -866,13 +866,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER
>       depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
>       depends on !X86_64
>       select STACKTRACE
> -     select FRAME_POINTER if !PPC
> +     select FRAME_POINTER
>       help
>         Provide stacktrace filter for fault-injection capabilities
>  
>  config LATENCYTOP
>       bool "Latency measuring infrastructure"
> -     select FRAME_POINTER if !MIPS && !PPC
> +     select FRAME_POINTER if !MIPS
>       select KALLSYMS
>       select KALLSYMS_ALL
>       select STACKTRACE

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