On 9/10/24 8:33 AM, Felix Moessbauer wrote: > The io work queue polling threads are userland threads that just never > exit to the userland. By that, they are also assigned to a cgroup (the > group of the creating task). They are not polling threads, they are just worker threads. > When changing the affinity of the io_wq thread via syscall, we must only > allow cpumasks within the ambient limits. These are defined by the cpuset > controller of the cgroup (if enabled). ambient limits? Not quite sure that's the correct term to use here. Outside of commit message oddities, change looks good. -- Jens Axboe