On 2/19/21 6:39 PM, Pavel Begunkov wrote: > There is a short window where percpu_refs are already turned zero, but > we try to do resurrect(). Play nicer and wait for all users to leave RCU > section. We need to do something better than synchronize_rcu() here, that can take a long time on a loaded box. I'll try and think about this one. -- Jens Axboe
