On 7/15/22 11:45 AM, Michal Koutn? wrote: > The commit 8bb649ee1da3 ("io_uring: remove ring quiesce for > io_uring_register") removed the worklow relying on reinit/resurrection > of the percpu_ref, hence, initialization with that requested is a relic. > > This is based on code review, this causes no real bug (and theoretically > can't). Technically it's a revert of commit 214828962dea ("io_uring: > initialize percpu refcounters using PERCU_REF_ALLOW_REINIT") but since > the flag omission is now justified, I'm not making this a revert. Thanks, applied manually for 5.20 (new file location). -- Jens Axboe