Re: [PATCH] workqueue: Add RCU annotation for pwq list walk

[Tejun Heo]

On Fri, Nov 15, 2019 at 07:01:25PM +0100, Sebastian Andrzej Siewior wrote:
> An additional check has been recently added to ensure that a RCU related lock
> is held while the RCU list is iterated.
> The `pwqs' are sometimes iterated without a RCU lock but with the &wq->mutex
> acquired leading to a warning.
> 
> Teach list_for_each_entry_rcu() that the RCU usage is okay if &wq->mutex
> is acquired during the list traversal.
> 
> Fixes: 28875945ba98d ("rcu: Add support for consolidated-RCU reader checking")
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>

Applied to wq/for-5.5.

Thanks.

-- 
tejun