Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751159AbWJMGUG (ORCPT ); Fri, 13 Oct 2006 02:20:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751177AbWJMGUG (ORCPT ); Fri, 13 Oct 2006 02:20:06 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:37866 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1751159AbWJMGUD (ORCPT ); Fri, 13 Oct 2006 02:20:03 -0400 Date: Fri, 13 Oct 2006 08:12:34 +0200 From: Ingo Molnar To: Dmitry Torokhov Cc: Peter Zijlstra , Jiri Kosina , Alessandro Suardi , Linux Kernel Subject: Re: 2.6.18-git21, possible recursive locking in kseriod ends up in DWARF2 unwinder stuck Message-ID: <20061013061234.GA15305@elte.hu> References: <5a4c581d0610041417y113bb92cs10971308180980e5@mail.gmail.com> <1160134696.2792.102.camel@taijtu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i X-ELTE-SpamScore: -2.8 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.8 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.5 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] -0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 912 Lines: 25 * Dmitry Torokhov wrote: > >#define lockdep_set_subclass(lock, subclass) \ > > ({ static struct lock_key_class __key; \ > > lockdep_init_map(&(lock)->dep_map, concat(lock, subclass), \ > > &__key, subclass); }) > > That leaves unneeded __key (another one was already created by > mutex_init...) but it tucked away nicely in the define so it is fine > by me. > > Ingo, do you want to send these changes on or you want me to push them > through my tree? could you send that commit to Andrew? It looks good to me, and the unavailability of the lockdep_set_subclass() API upstream is hindering Jiri now. 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/