From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751329AbaDNG7S (ORCPT ); Mon, 14 Apr 2014 02:59:18 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:35321 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750914AbaDNG7R (ORCPT ); Mon, 14 Apr 2014 02:59:17 -0400 X-IronPort-AV: E=Sophos;i="4.97,854,1389715200"; d="scan'208";a="29218504" Message-ID: <534B8820.7090906@cn.fujitsu.com> Date: Mon, 14 Apr 2014 15:02:56 +0800 From: Lai Jiangshan User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: Tejun Heo CC: Subject: Re: [PATCH V2] workqueue: fix possible race condition when rescuer VS pwq-release References: <1395937212-4103-1-git-send-email-laijs@cn.fujitsu.com> <5335661E.7030408@cn.fujitsu.com> <53397E6F.6050600@cn.fujitsu.com> <20140331200209.GD28901@mtj.dyndns.org> In-Reply-To: <20140331200209.GD28901@mtj.dyndns.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.103] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/01/2014 04:06 AM, Tejun Heo wrote: > On Mon, Mar 31, 2014 at 10:40:47PM +0800, Lai Jiangshan wrote: >> Ping > > Lai, I'll keep the mail tagged but can you pleaes ping me once -rc1 > drops? While it is an actual bug, given that it'd be pretty difficult > to trigger, I don't think it's too urgent. > > Thanks! > Hi, Tejun Ping. Very old (resent) patch(1 patch): workqueue: add __WQ_FREEZING and remove POOL_FREEZING Possible race condition patch(1 patch), (In this email thread) workqueue: fix possible race condition when rescuer VS pwq-release Worker management patchset(6 patches) workqueue: simpler&better workers management synchronization workqueue: generic routine to restore percpu/unbound pools' workers' cpumask workqueue: generic framework to manage normal&rescuer workers' cpumask workqueue: make destroy_worker() atomically workqueue: commit worker to pool's concurrency setting atomically. workqueue: remove manager_mutex workqueue: destroy worker directly in idle timeout handler Sorry for adding some work to you. Thanks Lai