linux-kernel - Re: perf_counters issue with self-sampling threads

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Date:	Thu, 30 Jul 2009 22:28:04 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	eranian@...il.com, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Robert Richter <robert.richter@....com>,
	Paul Mackerras <paulus@...ba.org>,
	Andi Kleen <andi@...stfloor.org>,
	Maynard Johnson <mpjohn@...ibm.com>,
	Carl Love <cel@...ibm.com>,
	Corey J Ashford <cjashfor@...ibm.com>,
	Philip Mucci <mucci@...s.utk.edu>,
	Dan Terpstra <terpstra@...s.utk.edu>,
	perfmon2-devel <perfmon2-devel@...ts.sourceforge.net>,
	Michael Kerrisk <mtk.manpages@...glemail.com>,
	roland <roland@...hat.com>
Subject: Re: perf_counters issue with self-sampling threads

On 07/30, Peter Zijlstra wrote:
>
> I'll make a patch for F_SETOWN_TID then, unless someone
> comes up with a better name for the creature ;-)

I think you are right. It is not safe to change the current
behaviour.

Oleg.

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