linux-kernel - Re: [PATCH 3/5] workqueue: Create low-level unbound workqueues cpumask

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Message-ID: <alpine.DEB.2.10.1405161250350.492@gentwo.org>
Date:	Fri, 16 May 2014 12:52:26 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Kevin Hilman <khilman@...aro.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	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 3/5] workqueue: Create low-level unbound workqueues
 cpumask

On Fri, 16 May 2014, Frederic Weisbecker wrote:

> It works on a lower-level than the per WQ_SYSFS workqueues cpumask files
> such that the effective cpumask applied for a given unbound workqueue is
> the intersection of /sys/devices/virtual/workqueue/$WORKQUEUE/cpumask and
> the new /sys/devices/virtual/workqueue/cpumask_unbounds file.

Why is there "virtual" directory in the path? Workqueues are "virtual"
devices?

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