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Subject: Re: [PATCH 3/3] powerpc/ftrace: simplify prepare_ftrace_return
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Anton Blanchard <anton@samba.org>
Date: Wed, 24 Sep 2014 12:24:20 +1000
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Cc: paulus@samba.org, linuxppc-dev@lists.ozlabs.org,
 Steven Rostedt <rostedt@goodmis.org>
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On Wed, 2014-09-24 at 12:22 +1000, Anton Blanchard wrote:
> Hi Steve,
> 
> > > This could be broken from the earlier patches, I haven't run just
> > > this test. I probably should on them.
> > 
> > I went back and tested, and it breaks under the first patch.
> 
> Thanks for testing. It looks like some toolchains have issues
> other than the -fno-no-omit-frame-pointer one, and -mno-sched-epilog
> works around it.
> 
> I'll drop that patch and respin.

Or maybe do a toolchain check / or enable it in LE ?

Ben.