[PATCH 04/10] ARM: ftrace: allow building without frame pointers

Catalin Marinas catalin.marinas at arm.com
Wed Mar 17 12:16:49 EDT 2010


On Sun, 2010-03-14 at 16:56 +0000, Steven Rostedt wrote:
> On Sat, 2010-03-13 at 12:19 +0530, Rabin Vincent wrote:
> > With a new enough GCC, ARM function tracing can be supported without the
> > need for frame pointers.  This is essential for Thumb-2 support, since
> > frame pointers aren't available then.
> >
> > Signed-off-by: Rabin Vincent <rabin at rab.in>
> 
> > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
> > index 13e13d4..e10519f 100644
> > --- a/kernel/trace/Kconfig
> > +++ b/kernel/trace/Kconfig
> > @@ -124,7 +124,7 @@ if FTRACE
> >  config FUNCTION_TRACER
> >       bool "Kernel Function Tracer"
> >       depends on HAVE_FUNCTION_TRACER
> > -     select FRAME_POINTER
> > +     select FRAME_POINTER if (!ARM_UNWIND)
> 
> I'm fine with this if the ARM maintainers are.
> 
> Acked-by: Steven Rostedt <rostedt at goodmis.org>

I think we did this already in other places, so:

Acked-by: Catalin Marinas <catalin.marinas at arm.com>




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