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Date: Thu, 21 Oct 2010 21:56:31 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Steven Rostedt <rostedt@goodmis.org>
cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Koki Sanagi <sanagi.koki@jp.fujitsu.com>,
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        Heiko Carstens <heiko.carstens@de.ibm.com>,
        "Luck, Tony" <tony.luck@intel.com>
Subject: Re: [PATCH] tracing: Cleanup the convoluted softirq tracepoints
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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