From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: Cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] cgroup: restore the call to eventfd->poll()
Date: Fri, 26 Apr 2013 12:00:28 -0700 [thread overview]
Message-ID: <20130426190028.GB1433@mtj.dyndns.org> (raw)
In-Reply-To: <5179EC7C.5060208-hv44wF8Li93QT0dZR+AlfA@public.gmane.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 <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
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
prev parent reply other threads:[~2013-04-26 19:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-26 2:54 [PATCH] cgroup: restore the call to eventfd->poll() Li Zefan
[not found] ` <5179EC7C.5060208-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-04-26 19:00 ` Tejun Heo [this message]
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