Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755843AbXEaO4p (ORCPT ); Thu, 31 May 2007 10:56:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752641AbXEaO4i (ORCPT ); Thu, 31 May 2007 10:56:38 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:41408 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751704AbXEaO4i (ORCPT ); Thu, 31 May 2007 10:56:38 -0400 Date: Thu, 31 May 2007 16:55:55 +0200 From: Ingo Molnar To: john stultz Cc: lkml , Thomas Gleixner , Steven Rostedt , Sripathi Kodi , Oleg Nesterov , Alexey Kuznetsov Subject: Re: [BUG] futex_unlock_pi() hurts my brain and may cause application deadlock Message-ID: <20070531145555.GA24218@elte.hu> References: <1180572567.6126.44.camel@localhost.localdomain> <20070531142455.GA11310@elte.hu> <1180623027.17878.2.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1180623027.17878.2.camel@localhost> 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 Content-Length: 832 Lines: 30 * john stultz wrote: > > > --- a/kernel/futex.c > > > +++ b/kernel/futex.c > > > @@ -2011,6 +2011,7 @@ pi_faulted: > > > attempt); > > > if (ret) > > > goto out_unlock; > > > + uval = 0; > > > goto retry_locked; > > > > this looks good to me. Oleg has posted a few more fixes as well - > > have you tried those too? > > Do you have a URL or subject line for the discussion? I'll take a look > and give them a whirl. i meant to say Alexey, not Oleg :-) Here's the thread: http://lkml.org/lkml/2007/5/7/129 i've Cc:-ed Alexey too. 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/