Messages in this thread | | | Subject | Re: [PATCH] tracing: don't select FRAME_POINTER on PPC | From | Steven Rostedt <> | Date | Mon, 27 Feb 2012 08:37:11 -0500 |
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On Mon, 2012-02-27 at 09:08 +0100, Gerlando Falauto wrote: > On PowerPC, FUNCTION_TRACER selects FRAME_POINTER, even > though the architecture does not support it. > > This causes the following warning: > warning: (LOCKDEP && FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && FUNCTION_TRACER && KMEMCHECK) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || AVR32 || SUPERH || BLACKFIN || MN10300) || ARCH_WANT_FRAME_POINTERS) > > So remove the warning by adding the extra condition > "if !PPC" to FUNCTION_TRACER for FRAME_POINTER selection
I'll queue it up for 3.4, if that's fine with you.
Thanks,
-- Steve
> > Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com> > --- > kernel/trace/Kconfig | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > index 2ad39e5..fbdec2e 100644 > --- a/kernel/trace/Kconfig > +++ b/kernel/trace/Kconfig > @@ -141,7 +141,7 @@ if FTRACE > config FUNCTION_TRACER > bool "Kernel Function Tracer" > depends on HAVE_FUNCTION_TRACER > - select FRAME_POINTER if !ARM_UNWIND && !S390 && !MICROBLAZE > + select FRAME_POINTER if !ARM_UNWIND && !PPC && !S390 && !MICROBLAZE > select KALLSYMS > select GENERIC_TRACER > select CONTEXT_SWITCH_TRACER
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