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Date: Mon, 17 Sep 2012 09:09:08 +0800
From: Li Zefan <lizefan@huawei.com>
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To: Tejun Heo <tj@kernel.org>
CC: Aristeu Rozanski <aris@redhat.com>, Jiri Slaby <jslaby@suse.cz>,
        <akpm@linux-foundation.org>, <jirislaby@gmail.com>,
        <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] cgroup: fix invalid rcu dereference
References: <5052F78A.7010007@suse.cz> <1347615612-11450-1-git-send-email-jslaby@suse.cz> <20120914132738.GN19694@redhat.com> <20120914170147.GB17747@google.com>
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On 2012/9/15 1:01, Tejun Heo wrote:
> On Fri, Sep 14, 2012 at 09:27:38AM -0400, Aristeu Rozanski wrote:
>> On Fri, Sep 14, 2012 at 11:40:12AM +0200, Jiri Slaby wrote:
>>> Commit "device_cgroup: convert device_cgroup internally to policy +
>>> exceptions" removed rcu locks which are needed in task_devcgroup
>>> called in this chain: devcgroup_inode_mknod OR
>>> __devcgroup_inode_permission -> __devcgroup_inode_permission ->
>>> task_devcgroup -> task_subsys_state -> task_subsys_state_check.
>>
>> ugh, missed that
>>
> ...
>> thanks Jiri
>> Acked-by: Aristeu Rozanski <aris@redhat.com>
> 
> How should this be routed?
> 

through akpm's -mm tree.