linux-kernel - Re: [PATCH 1/2] perf callchain: Make callchain cursors TLS

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Message-ID: <20120601175026.GA11806@dev4103.snc6.facebook.com>
Date:	Fri, 1 Jun 2012 10:50:26 -0700
From:	Zachary Landau <zacharyl@...com>
To:	Namhyung Kim <namhyung.kim@....com>
CC:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Sunjin Yang <fan4326@...il.com>
Subject: Re: [PATCH 1/2] perf callchain: Make callchain cursors TLS

On Thu, May 31, 2012 at 02:43:26PM +0900, Namhyung Kim wrote:
> perf top -G has a race on callchain cursor between main
> thread and display thread. Since the callchain cursors
> are used locally make them thread-local data would solve
> the problem.
> 
> Reported-by: Sunjin Yang <fan4326@...il.com>
> Suggested-by: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
> Signed-off-by: Namhyung Kim <namhyung.kim@....com>

Acked-by: Zachary Landau <zacharyl@...com>

- Zack
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