From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753497AbaFMQKf (ORCPT ); Fri, 13 Jun 2014 12:10:35 -0400 Received: from www.linutronix.de ([62.245.132.108]:49386 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753249AbaFMQKc (ORCPT ); Fri, 13 Jun 2014 12:10:32 -0400 Date: Fri, 13 Jun 2014 18:10:24 +0200 (CEST) From: Thomas Gleixner To: Oleg Nesterov cc: "Paul E. McKenney" , Steven Rostedt , Linus Torvalds , LKML , Peter Zijlstra , Andrew Morton , Ingo Molnar , Clark Williams Subject: Re: safety of *mutex_unlock() (Was: [BUG] signal: sighand unprotected when accessed by /proc) In-Reply-To: <20140613145531.GA31794@redhat.com> Message-ID: References: <20140611155251.GA4581@linux.vnet.ibm.com> <20140611170705.GA26816@redhat.com> <20140611171734.GA27457@redhat.com> <20140611172958.GF4581@linux.vnet.ibm.com> <20140611175934.GA28912@redhat.com> <20140611195613.GM4581@linux.vnet.ibm.com> <20140612172844.GA15795@redhat.com> <20140612203518.GZ4581@linux.vnet.ibm.com> <20140613145531.GA31794@redhat.com> User-Agent: Alpine 2.10 (DEB 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 Fri, 13 Jun 2014, Oleg Nesterov wrote: > On 06/12, Thomas Gleixner wrote: > > > > Just FYI, I have a patch pending which makes the release safe. > > > > http://marc.info/?l=linux-kernel&m=140251240630730&w=2 > > Aha, great. I didn't see this version, and just in case I think it is fine. > > Perhaps you can look at http://marc.info/?t=140207370200003 ? Looks good. Should I queue it with the other rtmutex stuff? Thanks, tglx