From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751995Ab1JRSJi (ORCPT ); Tue, 18 Oct 2011 14:09:38 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:45651 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751629Ab1JRSJg (ORCPT ); Tue, 18 Oct 2011 14:09:36 -0400 Date: Tue, 18 Oct 2011 20:07:51 +0200 From: Ingo Molnar To: Linus Torvalds Cc: Peter Zijlstra , Thomas Gleixner , Simon Kirby , Linux Kernel Mailing List , Dave Jones , Martin Schwidefsky Subject: Re: Linux 3.1-rc9 Message-ID: <20111018180751.GA18590@elte.hu> References: <1318847658.6594.40.camel@twins> <1318874090.4172.84.camel@twins> <1318879396.4172.92.camel@twins> <1318928713.21167.4.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=AWL,BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 AWL AWL: From: address is in the auto white-list Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Linus Torvalds wrote: > On Tue, Oct 18, 2011 at 2:05 AM, Peter Zijlstra wrote: > > > > Subject: cputimer: Cure lock inversion > > From: Peter Zijlstra > > Date: Mon Oct 17 11:50:30 CEST 2011 > > > > There's a lock inversion between the cputimer->lock and rq->lock; notably > > the two callchains involved are: > > Thanks, looks nice and small. Simon - can you check that this works for you? > > Thomas/Ingo - once confirmed by Simon, should I take it directly or > will this come through your trees? Yeah, we have it in -tip already and it was tested all day, lemme cook up a pull request to not hold up the v3.1 release much longer.. Thanks, Ingo