Re: sched: Remove pointless preemption disable in sched_submit_work()

[Jens Axboe]

On 9/28/21 8:30 AM, Thomas Gleixner wrote:
> Neither wq_worker_sleeping() nor io_wq_worker_sleeping() require to be invoked
> with preemption disabled:
> 
>   - The worker flag checks operations only need to be serialized against
>     the worker thread itself.
> 
>   - The accounting and worker pool operations are serialized with locks.
> 
> which means that disabling preemption has neither a reason nor a
> value. Remove it.

Reviewed-by: Jens Axboe <axboe@xxxxxxxxx>

-- 
Jens Axboe