From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753683AbaBRCAO (ORCPT ); Mon, 17 Feb 2014 21:00:14 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:32556 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752880AbaBRCAI (ORCPT ); Mon, 17 Feb 2014 21:00:08 -0500 X-IronPort-AV: E=Sophos;i="4.97,498,1389715200"; d="scan'208";a="9547631" Message-ID: <5302B9B4.9030808@cn.fujitsu.com> Date: Tue, 18 Feb 2014 09:39:00 +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: Lai Jiangshan CC: Tejun Heo , LKML Subject: Re: [PATCH 0/3] workqueue: async worker destruction References: <1392472948-2486-1-git-send-email-laijs@cn.fujitsu.com> <1392654243-2829-1-git-send-email-laijs@cn.fujitsu.com> In-Reply-To: <1392654243-2829-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/02/18 09:34:17, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/02/18 09:38:48, Serialize complete at 2014/02/18 09:38:48 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 Sorry, the cover letter was forgotten to send to LKML. On 02/18/2014 12:24 AM, Lai Jiangshan wrote: > This patchset moves the worker-destruction(partial) to worker_thread(), > and worker to be die will perform self-destruction. > > This async worker destruction helps us to reduce the mananger's invocation, > and simply the idle-worker-timeout handler. > > This patchset requires earlier patch > "workqueue: ensure @task is valid across kthread_stop()". > > Lai Jiangshan (3): > workqueue: free worker earlier in worker_thread() > workqueue: async worker destruction > workqueue: kick worker to die directly in idle timeout handler > > kernel/workqueue.c | 135 +++++++++++++++++++--------------------------------- > 1 files changed, 49 insertions(+), 86 deletions(-) >