Re: [PATCH v9 09/12] kthread: Initial support for delayed kthread work

From: Tejun Heo
Date: Mon Jun 20 2016 - 16:23:22 EST


Hello,

On Thu, Jun 16, 2016 at 01:17:28PM +0200, Petr Mladek wrote:
> +/**
> + * kthread_delayed_work_timer_fn - callback that queues the associated kthread
> + * delayed work when the timer expires.
> + * @__data: pointer to the data associated with the timer
> + *
> + * The format of the function is defined by struct timer_list.
> + * It should have been called from irqsafe timer with irq already off.
> + */
> +void kthread_delayed_work_timer_fn(unsigned long __data)
> +{
> + struct kthread_delayed_work *dwork =
> + (struct kthread_delayed_work *)__data;
> + struct kthread_work *work = &dwork->work;
> + struct kthread_worker *worker = work->worker;
> +
> + /*
> + * This might happen when a pending work is reinitialized.
> + * It means that it is used a wrong way.
> + */
> + if (WARN_ON_ONCE(!worker))
> + return;
> +
> + spin_lock(&worker->lock);
> + /* Work must not be used with more workers, see kthread_queue_work(). */
^
ditto, this reads weird

Other than that,

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

--
tejun