linux-kernel - Re: [PATCH] workqueue: allow changing attributions of ordered workqueue

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Message-ID: <CACvQF50XLZTs8cS+gEqh+D11PMSv_t6QzfJO+=jNW=o2O65--A@mail.gmail.com>
Date:	Tue, 15 Apr 2014 23:19:19 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>,
	Kevin Hilman <khilman@...aro.org>,
	Mike Galbraith <bitbucket@...ine.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Tejun Heo <tj@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [PATCH] workqueue: allow changing attributions of ordered workqueue

>
> So IUUC this is to allow registering ordered workqueue as WQ_SYSFS? But I think

Making ordered workqueue's attributions changeable was listed in my TODO list.
I found it may help for you, so I prioritized it.
Never mind, I will push my patch separated if you don't need it.

> we are going to follow Tejun's suggestion to have a low level cpumask which defines
> the limit for all unbound workqueues. This indeed tremendously simplifies everyting.
> I'll post the series soon.

It sounds feasible. I look forward to your patches

>
> But maybe I'm missing other requirements that are fixed by your patch?
>
> Thanks.
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