From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758000Ab1JRP0c (ORCPT ); Tue, 18 Oct 2011 11:26:32 -0400 Received: from www.linutronix.de ([62.245.132.108]:60575 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755891Ab1JRP0b (ORCPT ); Tue, 18 Oct 2011 11:26:31 -0400 Date: Tue, 18 Oct 2011 17:26:25 +0200 (CEST) From: Thomas Gleixner To: Linus Torvalds cc: Peter Zijlstra , Simon Kirby , Linux Kernel Mailing List , Dave Jones , Martin Schwidefsky , Ingo Molnar Subject: Re: Linux 3.1-rc9 In-Reply-To: Message-ID: References: <20111007070842.GA27555@hostway.ca> <20111007174848.GA11011@hostway.ca> <1318010515.398.8.camel@twins> <20111008005035.GC22843@hostway.ca> <1318060551.8395.0.camel@twins> <20111012213555.GC24461@hostway.ca> <20111013232521.GA5654@hostway.ca> <1318847658.6594.40.camel@twins> <1318874090.4172.84.camel@twins> <1318879396.4172.92.camel@twins> <1318928713.21167.4.camel@twins> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 18 Oct 2011, 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? I have it queued in timers/urgent and run it through testing at the moment. Will send a pull request once confirmed. Thanks, tglx