From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760208Ab2IFBox (ORCPT ); Wed, 5 Sep 2012 21:44:53 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:42075 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754679Ab2IFBow (ORCPT ); Wed, 5 Sep 2012 21:44:52 -0400 X-IronPort-AV: E=Sophos;i="4.80,377,1344182400"; d="scan'208";a="5791463" Message-ID: <5047F2B3.5060807@cn.fujitsu.com> Date: Thu, 06 Sep 2012 08:47:47 +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: linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] workqueue: fix possible deadlock in idle worker rebinding References: <20120905061233.GA3195@dhcp-172-17-108-109.mtv.corp.google.com> <20120905061632.GB3195@dhcp-172-17-108-109.mtv.corp.google.com> <20120905231116.GD29092@google.com> In-Reply-To: <20120905231116.GD29092@google.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/06 08:45:35, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/06 08:45:37, Serialize complete at 2012/09/06 08:45:37 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/06/2012 07:11 AM, Tejun Heo wrote: > On Tue, Sep 04, 2012 at 11:16:32PM -0700, Tejun Heo wrote: >> Currently, rebind_workers() and idle_worker_rebind() are two-way >> interlocked. rebind_workers() waits for idle workers to finish >> rebinding and rebound idle workers wait for rebind_workers() to finish >> rebinding busy workers before proceeding. > > Applied to wq/for-3.6-fixes. > > Thanks. > OK for me. Thanks. Lai