From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754975Ab0HMBhk (ORCPT ); Thu, 12 Aug 2010 21:37:40 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:36925 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752695Ab0HMBhj convert rfc822-to-8bit (ORCPT ); Thu, 12 Aug 2010 21:37:39 -0400 From: "Rafael J. Wysocki" To: Matt Helsley , Tomasz Buchert Subject: Re: [PATCH] cgroup_freezer: Freezing and task move race fix Date: Fri, 13 Aug 2010 03:35:55 +0200 User-Agent: KMail/1.13.5 (Linux/2.6.35-rjw+; KDE/4.4.4; x86_64; ; ) Cc: Paul Menage , Li Zefan , containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org References: <1281470001-14320-1-git-send-email-tomasz.buchert@inria.fr> <4C6252CF.1090100@inria.fr> <20100812002154.GJ2927@count0.beaverton.ibm.com> In-Reply-To: <20100812002154.GJ2927@count0.beaverton.ibm.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Message-Id: <201008130335.55641.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, August 12, 2010, Matt Helsley wrote: > On Wed, Aug 11, 2010 at 09:35:43AM +0200, Tomasz Buchert wrote: > > Matt Helsley a écrit : ... > You're right, cgroup_mutex should protect against that. However presumably > that same logic applies to the first case. So again I don't think the bug > is a race. > > > > At this point I think the bug description in your patch needs to change > but the patch itself is perfect. Assuming you agree with my assessment > of the bug I think the process is: you'll rewrite the description, add -stable > maintaners to your current Cc's (since this bug is simple, exists in previous > versions, and is somewhat nasty), add: > > Reviewed-by: Matt Helsley > Tested-by: Matt Helsley > > and send it to Andrew Morton. Hopefully then (if not before) Paul and Li > will ack it. Actaully, I maintain the freezer, so please send it to me. Thanks, Rafael