linux-kernel - Re: [PATCH 17/31] workqueue: implement attribute-based unbound worker

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Message-ID: <20130310183653.GI24522@htj.dyndns.org>
Date:	Sun, 10 Mar 2013 11:36:53 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, axboe@...nel.dk, jmoyer@...hat.com,
	zab@...hat.com
Subject: Re: [PATCH 17/31] workqueue: implement attribute-based unbound
 worker_pool management

On Sun, Mar 10, 2013 at 05:58:21AM -0700, Tejun Heo wrote:
> > > +	if (WARN_ON(pool->nr_workers != pool->nr_idle))
> > > +		return;
> > 
> > This can be false-negative. we should remove this WARN_ON().
> 
> How would the test fail spuriously?  Can you please elaborate?

I got it.  It'll be short by one if there's an active manager.
Removed.

Thanks.

-- 
tejun
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