* Thomas Gleixner <[email protected]> wrote:
> On Tue, 24 Nov 2009, Jakub Jelinek wrote:
>
> > 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.
>
> Just checked on the affected -marchs. The increase in code size is
> about 3% which is not that bad and definitely acceptable for the
> tracing case. Will zap the -mtune=generic patch and use
> -maccumulate-outgoing-args instead.
hm, 3% sounds quite large :( dyn-ftrace is enabled in distro configs, so
3% is a big deal IMO.
Ingo
