Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755656AbZJAHbw (ORCPT ); Thu, 1 Oct 2009 03:31:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755628AbZJAHbv (ORCPT ); Thu, 1 Oct 2009 03:31:51 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:49438 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755625AbZJAHbv (ORCPT ); Thu, 1 Oct 2009 03:31:51 -0400 Date: Thu, 1 Oct 2009 09:31:38 +0200 From: Ingo Molnar To: Peter Zijlstra Cc: Xiao Guangrong , Paul Mackerras , LKML Subject: Re: [PATCH 2/2 v2] optimize for perf_event_init_task() Message-ID: <20091001073138.GB1502@elte.hu> References: <4AB88F06.10900@cn.fujitsu.com> <19128.39768.149110.673711@cargo.ozlabs.ibm.com> <4AB98BB0.6020202@cn.fujitsu.com> <19129.38627.94363.857137@cargo.ozlabs.ibm.com> <4AB9D7FA.5040707@cn.fujitsu.com> <1253695230.7695.122.camel@twins> <4ABC5A55.7000208@cn.fujitsu.com> <4ABC5AF9.6060808@cn.fujitsu.com> <1253868957.10287.5.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1253868957.10287.5.camel@twins> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -0.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-0.5 required=5.9 tests=BAYES_20 autolearn=no SpamAssassin version=3.2.5 -0.5 BAYES_20 BODY: Bayesian spam probability is 5 to 20% [score: 0.0761] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 24 * Peter Zijlstra wrote: > 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 > > Thanks! > > Acked-by: Peter Zijlstra Thanks Xiao and Peter, i've queued up both patches for v2.6.32. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/