From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965402AbXCPQLl (ORCPT ); Fri, 16 Mar 2007 12:11:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965417AbXCPQLl (ORCPT ); Fri, 16 Mar 2007 12:11:41 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:60378 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965402AbXCPQLk (ORCPT ); Fri, 16 Mar 2007 12:11:40 -0400 Date: Fri, 16 Mar 2007 17:11:00 +0100 From: Ingo Molnar To: Zilvinas Valinskas Cc: Linux Kernel Mailing List , Andrew Morton , Thomas Gleixner , Greg KH Subject: Re: LOCKDEP warning if CONFIG_DETECT_SOFTLOCKUP=y Message-ID: <20070316161100.GA9413@elte.hu> References: <1174056925.17967.15.camel@zv.wilibox.com> <1174061105.17967.24.camel@zv.wilibox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1174061105.17967.24.camel@zv.wilibox.com> User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean 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=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Zilvinas Valinskas wrote: > Hello Ingo, > > I think I've found a solution for a problem. Is this sane thing to do > ? At least lockdep is happy now, does not complain anymore. It seems > that ->pi_lock was not register with lockdep correctly (something > about classes ... 8). nice fix! This is a real bug that affects v2.6.21 (and v2.6.20) too. Acked-by: Ingo Molnar Ingo