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Re: [RFC v2 04/18] kthread: Add destroy_kthread_worker()

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  Re: [RFC v2 04/18] kthread: Add destroy_kthread_worker() Tejun Heo <tj@kernel.org> - 2015-09-22 20:40 +0200

#1230722 — Re: [RFC v2 04/18] kthread: Add destroy_kthread_worker()

Hello,

On Mon, Sep 21, 2015 at 03:03:45PM +0200, Petr Mladek wrote:
...
> Note that flush() does not guarantee that the queue is empty. drain()
> is more safe. It returns when the queue is really empty. Also it warns

Maybe it'd be better to be a bit more specific.  drain() is safer
because it can handle self-requeueing work items.

> when too many work is being queued when draining.
...
> +/**
> + * destroy_kthread_worker - destroy a kthread worker
> + * @worker: worker to be destroyed
> + *
> + * Destroy @worker. It should be idle when this is called.

So, no new work item should be queued from this point on but @worker
is allowed to be not idle.

Thanks.

-- 
tejun
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