On Mon, 09 Sep 2024 17:00:36 +0200, Felix Moessbauer wrote: > The submit queue polling threads are userland threads that just never > exit to the userland. When creating the thread with IORING_SETUP_SQ_AFF, > the affinity of the poller thread is set to the cpu specified in > sq_thread_cpu. However, this CPU can be outside of the cpuset defined > by the cgroup cpuset controller. This violates the rules defined by the > cpuset controller and is a potential issue for realtime applications. > > [...] Applied, thanks! [1/1] io_uring/sqpoll: do not allow pinning outside of cpuset commit: f011c9cf04c06f16b24f583d313d3c012e589e50 Best regards, -- Jens Axboe