Re: [PATCH 1/4] workqueue: void unneeded requeuing the pwq in rescuer thread

[Tejun Heo]

On Fri, May 29, 2020 at 06:58:59AM +0000, Lai Jiangshan wrote:
> 008847f66c3 ("workqueue: allow rescuer thread to do more work.") made
> the rescuer worker requeue the pwq immediately if there may be more
> work items which need rescuing instead of waiting for the next mayday
> timer expiration.  Unfortunately, it checks only whether the pool needs
> help from rescuers, but it doesn't check whether the pwq has work items
> in the pool (the real reason that this rescuer can help for the pool).
> 
> The patch adds the check and void unneeded requeuing.
> 
> Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>

Applied to wq/for-5.8.

Thanks.

-- 
tejun