On 9/7/20 8:58 AM, Josef wrote: >> Yes, that is known, you cannot open/close descriptors with the >> SQPOLL that requires fixed files, as that requires modifying the >> file descriptor. 5.10 should not have any limitations. > > ok I got it, let me know when the implementation/testing is finished > for SQPOLL then I could test my netty implementation If you're up for it, you could just clone my for-5.10/io_uring and base your SQPOLL testing on that. Should be finished, modulo bugs... -- Jens Axboe