linux-kernel - Re: [PATCH 1/1 V2] workqueue: unfold start_worker() into create

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Message-ID: <20140718225718.GE5739@htj.dyndns.org>
Date:	Fri, 18 Jul 2014 18:57:18 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1 V2] workqueue: unfold start_worker() into
 create_worker()

Sorry about the delay.

On Wed, Jul 16, 2014 at 09:28:55AM +0800, Lai Jiangshan wrote:
> On 07/14/2014 12:05 PM, Lai Jiangshan wrote:
> > Simply unfold the code of start_worker() into create_worker() and
> > remove the original start_worker() and create_and_start_worker().
> > 
> > The only trade-off is the introduced overhead that the pool->lock
> > is released and re-grabbed after the newly worker is started.
> > The overhead is acceptable since the manager is slow path.
> 
> Hi, TJ
> 
> Will you accept this trade-off and the patch?
> If so, I will rebase this patch without any dependence on other patch.

Yeap, that's fine.

Thanks!

-- 
tejun
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