linux-kernel - Re: [PATCH 06/10] workqueue: convert worker_idr to worker

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Date:	Wed, 7 May 2014 00:33:34 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 06/10] workqueue: convert worker_idr to worker_ida

On Mon, May 5, 2014 at 10:59 PM, Tejun Heo <tj@...nel.org> wrote:
> On Sun, Apr 27, 2014 at 12:09:01PM +0800, Lai Jiangshan wrote:
>> @@ -2224,6 +2220,9 @@ woke_up:
>>               spin_unlock_irq(&pool->lock);
>>               WARN_ON_ONCE(!list_empty(&worker->entry));
>>               worker->task->flags &= ~PF_WQ_WORKER;
>> +
>> +             set_task_comm(worker->task, "kworker_die");
>> +             ida_simple_remove(&pool->worker_ida, worker->id);
>>               worker_unbind_pool(worker);
>>               kfree(worker);
>>               return 0;
>
> Does this chunk belong to this patch?  Why no description about this
> change?

"set_task_comm()" doesn't belong to this patch. it avoids two workers
have the same name.(one is dying, the other one is newly created"

"ida_simple_remove()" does belong to this patch. and it is needed to
be removed out from  worker_unbind_pool() to here.

>
> Thanks.
>
> --
> tejun
> --
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