linux-kernel - Re: [PATCH] cgroup: restore the call to eventfd->poll()

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Message-ID: <20130426190028.GB1433@mtj.dyndns.org>
Date:	Fri, 26 Apr 2013 12:00:28 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	Cgroups <cgroups@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cgroup: restore the call to eventfd->poll()

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 <lizefan@...wei.com>

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
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