linux-kernel - Re: [PATCH] workqueue: show the pool ID of the default pwq's pool in the pool

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Message-ID: <54221564.4020108@cn.fujitsu.com>
Date:	Wed, 24 Sep 2014 08:50:44 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
CC:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] workqueue: show the pool ID of the default pwq's pool
 in the pool_ids file

On 09/23/2014 10:38 PM, Tejun Heo wrote:
> On Mon, Sep 22, 2014 at 04:04:37PM +0800, Lai Jiangshan wrote:
>> It seems incomplete if the pool_ids file doesn't include the default
>> pwq's pool.  Add it and the result:
>>
>> # cat pool_ids 
>> 0:9 1:10
>> default:8
> 
> Hmmm?  default pwq is used only as the fallback if pool switching
> fails and the failed nodes will have it assigned to them.  Why would
> userland care about something which isn't being used?

Understood.

> 
> Thanks.
> 

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