Re: [PATCH 6/8] PM: Add suspend blocking work.

Tejun Heo
2010-04-28T07:18:28Z

Hello,

On 04/28/2010 09:02 AM, Arve Hjønnevåg wrote:
>> Maybe work->active can be an atomic_t and the lock can be removed?
>
> I need the spinlock to prevent the work from getting re-queued before
> suspend_unblock.

OIC.

> I'm not sure what the best terminology is here, but cancel_work_sync()
> only waits for work running on all the cpu-workqueues of the last
> workqueue. So, if the caller queued the work on more than one
> workqueue, suspend_blocking_work_destroy does not ensure that the
> suspend_blocking_work structure is not still in use (it should trigger
> the WARN_ON though).

Right, I was thinking about different cpu_workqueues and yeah, the
terminology gets pretty confusing.

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

--
tejun