linux-kernel - Re: Fwd: [RFC] make kthread_worker

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Message-ID: <20150601114019.GA14841@htj.duckdns.org>
Date:	Mon, 1 Jun 2015 07:40:19 -0400
From:	Tejun Heo <tj@...nel.org>
To:	yalin wang <yalin.wang2010@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, laijs@...fujitsu.com,
	nacc@...ux.vnet.ibm.com, penguin-kernel@...ove.sakura.ne.jp,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Fwd: [RFC] make kthread_worker_fn to be freezable

Hello,

On Mon, Jun 01, 2015 at 06:05:58PM +0800, yalin wang wrote:
> I notice that kthread_worker_fn() call try_to_freeze() function,
> but it don't make itself to be a freezable kthread,
> kthread default behavior is not freezable, we should change it if
> want try_to_freeze() work correctly.
> 
> Signed-off-by: yalin wang <yalin.wang2010@...il.com>

Whether a kthread worker should be able to freeze or not is to be
determined by the owner of the specific kthread.  If the kthread is
marked freezable, kthread_worker will freeze.  If not, it won't.

 Nacked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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