Re: [PATCH] blk-cgroup: Remove unnecessary rcu_read_lock/unlock()

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On Tue, May 17, 2022 at 01:39:30AM +0800, bh1scw@xxxxxxxxx wrote:
> From: Fanjun Kong <bh1scw@xxxxxxxxx>
> 
> spin_lock_irq/spin_unlock_irq contains preempt_disable/enable().
> Which can serve as RCU read-side critical region, so remove
> rcu_read_lock/unlock().
> 
> Signed-off-by: Fanjun Kong <bh1scw@xxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun



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