From: Peter Zijlstra <peterz@infradead.org>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2 v2] optimize for perf_event_init_task()
Date: Fri, 25 Sep 2009 10:55:57 +0200 [thread overview]
Message-ID: <1253868957.10287.5.camel@twins> (raw)
In-Reply-To: <4ABC5AF9.6060808@cn.fujitsu.com>
On Fri, 2009-09-25 at 13:54 +0800, Xiao Guangrong wrote:
> We can traverse ctx->group_list to get all group leader, it should be safe
> since we hold ctx->mutex
>
> Changlog v1->v2:
> - remove WARN_ON_ONCE() as Peter Zijlstra's suggestion
>
> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Thanks!
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
next prev parent reply other threads:[~2009-09-25 8:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 8:47 [PATCH] perf_counter: cleanup for __perf_event_sched_in() Xiao Guangrong
2009-09-22 9:20 ` Paul Mackerras
2009-09-22 9:27 ` Xiao Guangrong
2009-09-22 9:32 ` [PATCH v2] " Xiao Guangrong
2009-09-22 9:39 ` [PATCH] " Paul Mackerras
2009-09-22 11:17 ` Peter Zijlstra
2009-09-23 2:45 ` Xiao Guangrong
2009-09-23 3:32 ` Paul Mackerras
2009-09-23 8:10 ` [PATCH 1/2] perf_counter: cleanup for __perf_event_sched_*() Xiao Guangrong
2009-09-23 8:13 ` [PATCH 2/2] perf_counter: optimize for perf_event_init_task() Xiao Guangrong
2009-09-23 8:43 ` Peter Zijlstra
2009-09-25 1:23 ` Xiao Guangrong
2009-09-23 8:40 ` [PATCH 1/2] perf_counter: cleanup for __perf_event_sched_*() Peter Zijlstra
2009-09-25 1:22 ` Xiao Guangrong
2009-09-25 5:51 ` [PATCH 1/2 v2] perf_counter: fix " Xiao Guangrong
2009-09-25 5:54 ` [PATCH 2/2 v2] optimize for perf_event_init_task() Xiao Guangrong
2009-09-25 8:55 ` Peter Zijlstra [this message]
2009-10-01 7:31 ` Ingo Molnar
2009-10-01 7:47 ` [tip:perf/urgent] perf_event: Clean up perf_event_init_task() tip-bot for Xiao Guangrong
2009-09-25 8:55 ` [PATCH 1/2 v2] perf_counter: fix for __perf_event_sched_*() Peter Zijlstra
2009-10-01 7:46 ` [tip:perf/urgent] perf_event: Fix event group handling in __perf_event_sched_*() tip-bot for Xiao Guangrong
2009-09-22 11:12 ` [PATCH] perf_counter: cleanup for __perf_event_sched_in() Peter Zijlstra
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