linux-kernel - Re: [PATCH -tip] x86,perf: P4 PMU -- protect sensible procedures from preemption

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Message-ID: <20100506183627.GE5583@lenovo>
Date:	Thu, 6 May 2010 22:36:27 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH -tip] x86,perf: P4 PMU -- protect sensible procedures
	from preemption

On Thu, May 06, 2010 at 02:32:33PM -0400, Steven Rostedt wrote:
[...]
> > 
> > Steve, while I'm diving through call graph could you give this
> > patch a shot? If preemtion happens -- it'll trigger it fast.
> 
> This one works too.
> 
> Tested-by: Steven Rostedt <rostedt@...dmis.org>
> 
> -- Steve
> 

Thanks a huge, Steven! I'll tinkle a bit more with p4 pmu
and will send a series of patches with this one included.

	-- Cyrill
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