From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753088AbaBTANk (ORCPT ); Wed, 19 Feb 2014 19:13:40 -0500 Received: from mail-qa0-f48.google.com ([209.85.216.48]:64759 "EHLO mail-qa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753031AbaBTANi (ORCPT ); Wed, 19 Feb 2014 19:13:38 -0500 Date: Wed, 19 Feb 2014 19:13:34 -0500 From: Tejun Heo To: Lai Jiangshan Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH wq/for-3.14-fixes] workqueue: ensure @task is valid across kthread_stop() Message-ID: <20140220001334.GW10134@htj.dyndns.org> References: <1392472948-2486-1-git-send-email-laijs@cn.fujitsu.com> <20140218213713.GC31892@mtj.dyndns.org> <5304277E.4040705@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5304277E.4040705@cn.fujitsu.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Lai. On Wed, Feb 19, 2014 at 11:39:42AM +0800, Lai Jiangshan wrote: > > CC: stable@vger.kernel.org > > I think no one hit this bug. So I add this stable TAG? > > (Jason's bug-report drives me to review the workqueue harder, > and I found this possible bug, but I think it is irrespective > with Jason's bug-report.) Hmm.... the issue won't happen frequently but it can happen and the change is on the safer side. I think it'd be better to cc stable. Thanks. -- tejun