On Tue, May 17, 2022 at 1:39 AM <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> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Thanks.