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

>
> 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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