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Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by default

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by default
Date 2015-07-16 21:30 +0200
Message-ID <pMX10-7CX-15@gated-at.bofh.it> (permalink)
References <pMWRk-7rm-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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
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Thread

[RFC] workqueue: avoiding unbounded wq on isolated CPUs by default Daniel Bristot de Oliveira <bristot@redhat.com> - 2015-07-16 21:20 +0200
  Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by  default Tejun Heo <tj@kernel.org> - 2015-07-16 21:30 +0200
    Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by  default Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-17 06:30 +0200
      Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by  default Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-19 10:10 +0200
        Re: [RFC] workqueue: avoiding unbounded wq on isolated CPUs by  default Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-19 14:20 +0200
        [patch] workqueue: schedule WORK_CPU_UNBOUND work on  wq_unbound_cpumask CPUs Mike Galbraith <umgwanakikbuti@gmail.com> - 2015-07-22 07:30 +0200
          [PATCH] workqueue: avoiding unbounded wq on isolated CPUs by default Daniel Bristot de Oliveira <bristot@redhat.com> - 2015-07-22 14:50 +0200
          Re: [patch] workqueue: schedule WORK_CPU_UNBOUND work on  wq_unbound_cpumask CPUs Tejun Heo <tj@kernel.org> - 2015-07-22 16:20 +0200

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