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From: Tejun Heo <tj@kernel.org>
To: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Rik van Riel <riel@redhat.com>,
	"Luis Claudio R. Goncalves" <lclaudio@uudg.org>
Subject: Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by default
Date: Thu, 16 Jul 2015 15:24:48 -0400	[thread overview]
Message-ID: <20150716192448.GY15934@mtj.duckdns.org> (raw)
In-Reply-To: <9e53de7c91c885ee255e16ee25f401d9eedf08d9.1437067317.git.bristot@redhat.com>

Hello,

On Thu, Jul 16, 2015 at 04:16:23PM -0300, Daniel Bristot de Oliveira wrote:
> By default, unbounded workqueues run on all CPUs, which includes
> isolated CPUs. This patch avoids unbounded workqueues running on
> isolated CPUs by default, keeping the current behavior when no
> CPUs were isolated.

I don't have a strong opinion about this.  Frederic, was there a
reason we didn't do this when we added cpumasks for unbound wq's?

Thanks.

-- 
tejun

  reply	other threads:[~2015-07-16 19:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-16 19:16 Daniel Bristot de Oliveira
2015-07-16 19:24 ` Tejun Heo [this message]
2015-07-17  4:26   ` Mike Galbraith
2015-07-17 15:27     ` Tejun Heo
2015-07-17 15:35       ` Frederic Weisbecker
2015-07-17 15:43         ` Tejun Heo
2015-07-17 17:15       ` Mike Galbraith
2015-07-18 13:36         ` Frederic Weisbecker
2015-07-18 15:48           ` Mike Galbraith
2015-07-19  8:02           ` Mike Galbraith
2015-07-19 12:19             ` Mike Galbraith
2015-07-21  8:55             ` Mike Galbraith
2015-07-22  5:24               ` [patch] workqueue: schedule WORK_CPU_UNBOUND work on wq_unbound_cpumask CPUs Mike Galbraith
2015-07-22 12:43                 ` [PATCH] workqueue: avoiding unbounded wq on isolated CPUs by default Daniel Bristot de Oliveira
2015-07-22 14:11                 ` [patch] workqueue: schedule WORK_CPU_UNBOUND work on wq_unbound_cpumask CPUs Tejun Heo
2015-07-22 14:55                   ` Mike Galbraith
2015-07-22 15:19                     ` Mike Galbraith
2015-07-22 15:25                       ` Tejun Heo
2015-07-24  3:38                         ` Mike Galbraith

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