Re: [PATCH] tracing: Cleanup the convoluted softirq tracepoints

From: Thomas Gleixner
Date: Thu Oct 21 2010 - 16:11:38 EST


On Thu, 21 Oct 2010, Steven Rostedt wrote:

> On Thu, 2010-10-21 at 18:18 +0200, Thomas Gleixner wrote:
> >
> > On Tue, 19 Oct 2010, Steven Rostedt wrote:
> >
> > > On Wed, 2010-10-20 at 00:04 +0200, Thomas Gleixner wrote:
> > >
> > > > hpa just posted code which does the _RIGHT_ _THING_ independent of any
> > > > compiler madness and you tracer folks just missed it.
> > >
> > > Thomas,
> > >
> > > Can you try this patch and see if it makes the object code better?
> >
> > Nope, same result.
>
> Yeah, I figured. Do you have CC_OPTIMIZE_FOR_SIZE set? And if you do,
> what happens if you disable it?

Hmm. Indeed. That gets rid of the double jump.

Thanks,

tglx
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