linux-kernel - Re: [PATCH]: exec: avoid propagating PF_NO

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Message-ID: <20131128150210.GI3925@htj.dyndns.org>
Date:	Thu, 28 Nov 2013 10:02:10 -0500
From:	Tejun Heo <htejun@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Oleg Nesterov <oleg@...hat.com>, zhang.yi20@....com.cn,
	lkml <linux-kernel@...r.kernel.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into
 userspace child

On Thu, Nov 28, 2013 at 03:57:55PM +0100, Peter Zijlstra wrote:
> Do you have a better definition that doesn't get in the way of people
> wanting to do actual work?

As written multiple times now, workqueue does have per-workqueue
attributes and if you really want a dedicated worker thread, use a
dedicated kthread.

> So far I just see you breaking existing setups because you don't want to
> support things that work perfectly well.

It doesn't work as explained multiple times in this thread.

-- 
tejun
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