From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754613Ab1HZPxU (ORCPT ); Fri, 26 Aug 2011 11:53:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39832 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754348Ab1HZPxT (ORCPT ); Fri, 26 Aug 2011 11:53:19 -0400 Date: Fri, 26 Aug 2011 17:50:11 +0200 From: Oleg Nesterov To: Tejun Heo Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, bblum@andrew.cmu.edu, fweisbec@gmail.com, lizf@cn.fujitsu.com, paul@paulmenage.org Subject: Re: + cgroups-fix-ordering-of-calls-in-cgroup_attach_proc.patch added to -mm tree Message-ID: <20110826155011.GA18410@redhat.com> References: <201108252044.p7PKiaHd006997@imap1.linux-foundation.org> <20110826151245.GA16243@redhat.com> <20110826152139.GH2632@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110826152139.GH2632@htj.dyndns.org> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tejun, On 08/26, Tejun Heo wrote: > > Please take a look at the following series. > > http://thread.gmane.org/gmane.linux.kernel/1184375 OK, thanks... looks like 1/6 conflicts with this patch ;) Tejun, I'll appreciate if you can send me this thread in mbox format privately. I don't think I can help, just I am curious. > attach racing against exit/exec is problematic and maybe we should > extend task->threadgroup_fork_lock protection to cover both exit and > exec. I can't like it tho. Yes... Oleg.