From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757674Ab2IZRSq (ORCPT ); Wed, 26 Sep 2012 13:18:46 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:10407 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1757618Ab2IZRSn (ORCPT ); Wed, 26 Sep 2012 13:18:43 -0400 X-IronPort-AV: E=Sophos;i="4.80,492,1344182400"; d="scan'208";a="5922249" From: Lai Jiangshan To: Tejun Heo , linux-kernel@vger.kernel.org Cc: Lai Jiangshan Subject: [PATCH 05/12] workqueue: don't wake up other workers in rescuer Date: Thu, 27 Sep 2012 01:20:36 +0800 Message-Id: <1348680043-5077-6-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1348680043-5077-1-git-send-email-laijs@cn.fujitsu.com> References: <1348680043-5077-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 01:18:45, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 01:18:45, Serialize complete at 2012/09/27 01:18:45 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rescuer is NOT_RUNNING, so there is no sense when it wakes up other workers, if there are available normal workers, they are already woken up when needed. Signed-off-by: Lai Jiangshan --- kernel/workqueue.c | 8 -------- 1 files changed, 0 insertions(+), 8 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c718b94..6c339bf 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2438,14 +2438,6 @@ repeat: process_scheduled_works(rescuer); - /* - * Leave this gcwq. If keep_working() is %true, notify a - * regular worker; otherwise, we end up with 0 concurrency - * and stalling the execution. - */ - if (keep_working(pool)) - wake_up_worker(pool); - spin_unlock_irq(&gcwq->lock); } -- 1.7.7.6