Re: [PATCH] cgroup: fix invalid rcu dereference

[Li Zefan]

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@xxxxxxxxxx>
> 
> How should this be routed?
> 

through akpm's -mm tree.

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