Re: [PATCH] cpuset: Add missing rcu read locks

[Li Zefan]

On 2014/2/27 22:20, Sasha Levin wrote:
> We call task_cs() which ends up going into cgroup code without having rcu
> read lock. Fix it by grabbing the lock before retrival of task_cs() and usage
> of the result.
> 

Thanks for the patch.

Fengguang already reported it, and I've made a patch for it, but I was fixing
two bugs for 3.14 and then waiting for them to be applied.

There're other places that rcu_read_lock() should be used, and we need to
remove task_lock().

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