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SubjectRe: CONFIG_FRAME_POINTER [was [PATCH] x86: BUILD_IRQ say .text]
On Fri, 2008-07-25 at 19:45 +0100, Hugh Dickins wrote:
> I've Cc'ed Ben and linuxppc-dev because I wonder if they're aware
> that several options (I got it from LATENCYTOP, but I think LOCKDEP
> and FTRACE and some others) are doing a "select FRAME_POINTER",
> which forces CONFIG_FRAME_POINTER=y on PowerPC, even though
> FRAME_POINTER is not an option offered on PowerPC. The
> resulting kernels appear to run okay, but I was surprised.

Because the option just does nothing for us ? :-) We always have frame
pointers on powerpc except in some case for leaf functions. I don't know
if the option has any actual effect on the later, but I don't think we
have a case where doing either way would break things.


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