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SubjectRe: [PATCH 2/3] powerpc: Make it possible to safely select CONFIG_FRAME_POINTER
On Thu, Feb 05, 2009 at 12:15:31PM +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2009-02-04 at 19:35 -0500, Steven Rostedt wrote:
> > On Thu, 2009-02-05 at 11:31 +1100, Benjamin Herrenschmidt wrote:
> > > On Wed, 2009-02-04 at 18:08 +0300, Anton Vorontsov wrote:
> > > > Remove -fno-omit-frame-pointer flag from CFLAGS.
> > > > Remove -fno-omit-frame-pointer workarounds.
> > >
> > > But what about -pg -requires -fno-omit-frame-pointer ?
> >
> > I don't think it requires -fno-omit-frame-pointer. It is just
> > incompatible with -fomit-frame-pointer.
>
> From a quick test, you seem to be right.
>
> Now the question of course is whether -pg will internally trigger
> the bug for which we need the workaround tho...

According to http://marc.info/?l=linux-kernel&m=121958694215835&w=4
just removing -fno-omit-frame-pointer solved the problem.

But I'll double check that on the actual hardware.

Thanks,

--
Anton Vorontsov
email: cbouatmailru@gmail.com
irc://irc.freenode.net/bd2


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