Re: [PATCH -next] cgroup: Remove out-of-date comment in cgroup_migrate()

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On 2023/5/24 3:09, Tejun Heo wrote:
> On Tue, May 23, 2023 at 07:14:56PM +0800, Xiu Jianfeng wrote:
>> From: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
>>
>> Commit 674b745e22b3 ("cgroup: remove rcu_read_lock()/rcu_read_unlock()
>> in critical section of spin_lock_irq()") has removed the rcu_read_lock,
>> which makes the comment out-of-date, so remove it.
>>
>> Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
> 
> So, that removed rcu_read_lock() because it's implied by the irq disable but
> the comment content is still useful in describing what's preventing
> use-after-free. Can you please update the comment accordingly instead?

sure, I would send a v2.

> 
> Thanks.
> 




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