On 4/21/21 9:19 AM, Hao Xu wrote: > do this to avoid race below: > > userspace kernel > > | check sqring and iopoll_list > submit sqe | > check IORING_SQ_NEED_WAKEUP | > (which is not set) | | > | set IORING_SQ_NEED_WAKEUP > wait cqe | schedule(never wakeup again) Applied, thanks. -- Jens Axboe