On 9/6/24 7:44 AM, Felix Moessbauer wrote:
> diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c
> index 3b50dc9586d1..4681b2c41a96 100644
> --- a/io_uring/sqpoll.c
> +++ b/io_uring/sqpoll.c
> @@ -289,7 +289,7 @@ static int io_sq_thread(void *data)
> if (sqd->sq_cpu != -1) {
> set_cpus_allowed_ptr(current, cpumask_of(sqd->sq_cpu));
> } else {
> - set_cpus_allowed_ptr(current, cpu_online_mask);
> + set_cpus_allowed_ptr(current, sqd->thread->cpus_ptr);
> sqd->sq_cpu = raw_smp_processor_id();
> }
On second thought, why are we even setting this in the first place?
sqd->thread == current here, it should be a no-op to do:
set_cpus_allowed_ptr(current, current->cpus_ptr);
IOW, the line should just get deleted. Can you send out a v2?
--
Jens Axboe
