From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757719Ab3DZTAe (ORCPT ); Fri, 26 Apr 2013 15:00:34 -0400 Received: from mail-qc0-f177.google.com ([209.85.216.177]:47341 "EHLO mail-qc0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753591Ab3DZTAd (ORCPT ); Fri, 26 Apr 2013 15:00:33 -0400 Date: Fri, 26 Apr 2013 12:00:28 -0700 From: Tejun Heo To: Li Zefan Cc: Cgroups , LKML Subject: Re: [PATCH] cgroup: restore the call to eventfd->poll() Message-ID: <20130426190028.GB1433@mtj.dyndns.org> References: <5179EC7C.5060208@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5179EC7C.5060208@huawei.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 On Fri, Apr 26, 2013 at 10:54:52AM +0800, Li Zefan wrote: > I mistakenly removed the call to eventfd->poll() while I was actually > intending to remove the return value... > > Calling evenfd->poll() will hook cgroup_event_wake() to the poll > waitqueue, which will be called to unregister eventfd when rmdir a > cgroup or close eventfd. > > Signed-off-by: Li Zefan Applied to cgroup/for-3.10. It'd have been better if the patch description pointed to the specific commit which caused the problem. Thanks. -- tejun