Re: [PATCH][GIT PULL][v2.6.32] tracing/x86: Add check to detect GCC messing with mcount prologue

From: Jakub Jelinek
Date: Tue Nov 24 2009 - 10:06:57 EST


On Tue, Nov 24, 2009 at 03:55:49PM +0100, Thomas Gleixner wrote:
> > you should compile your code with -maccumulate-outgoing-args, and there's
> > no need to use -mtune=generic. Is that right?
>
> Seems to work. What other side effects has that ?

Faster code, significant increase in code size though. Note that on many
architectures it is the only supported model.

Jakub
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