Hello, Lai.
On Thu, Apr 04, 2013 at 10:05:32AM +0800, Lai Jiangshan wrote:
> @@ -4757,25 +4747,16 @@ void thaw_workqueues(void)
> {
> struct workqueue_struct *wq;
> struct pool_workqueue *pwq;
> - struct worker_pool *pool;
> - int pi;
>
> mutex_lock(&wq_pool_mutex);
>
> if (!workqueue_freezing)
> goto out_unlock;
>
> - /* clear FREEZING */
> - for_each_pool(pool, pi) {
> - spin_lock_irq(&pool->lock);
> - WARN_ON_ONCE(!(pool->flags & POOL_FREEZING));
> - pool->flags &= ~POOL_FREEZING;
> - spin_unlock_irq(&pool->lock);
> - }
> -
> /* restore max_active and repopulate worklist */
> list_for_each_entry(wq, &workqueues, list) {
> mutex_lock(&wq->mutex);
> + wq->flags &= ~__WQ_FREEZING;
I want an assertion here. Maybe we can fold the next patch into this
one and add WARN_ON_ONCE() here?
> for_each_pwq(pwq, wq)
> pwq_adjust_max_active(pwq);
> mutex_unlock(&wq->mutex);
Thanks.
--
tejun
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