From: Tejun Heo <tj@kernel.org>
To: Alexei Potashnik <alexei@purestorage.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] workqueue: doc change for ST behavior on NUMA systems
Date: Tue, 18 Jul 2017 14:37:22 -0400 [thread overview]
Message-ID: <20170718183722.GI585283@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <aacf48f5db89f6f2336f1a4463ae3a24@mail.gmail.com>
On Tue, Jul 18, 2017 at 11:12:53AM -0700, Alexei Potashnik wrote:
> NUMA rework of workqueue made the combination of max_active of 1 and
> WQ_UNBOUND insufficient to guarantee ST behavior system wide.
>
> alloc_ordered_queue should now be used instead.
>
> Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Patch was whitespace damanged in transit. Applied manually to
wq/for-4.14.
Thanks a lot for the fix!
--
tejun
next prev parent reply other threads:[~2017-07-18 18:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-18 18:12 [PATCH] workqueue: doc change for ST behavior on NUMA systems Alexei Potashnik
2017-07-18 18:37 ` Tejun Heo [this message]
2017-07-18 19:18 ` Christoph Hellwig
2017-07-18 19:36 ` Tejun Heo
2017-07-18 21:32 ` Alexei Potashnik
2017-07-18 22:25 ` Alexei Potashnik
2017-07-18 22:41 ` [PATCH wq/for-4.13-fixes] workqueue: restore WQ_UNBOUND/max_active==1 to be ordered Tejun Heo
2017-07-19 15:25 ` Tejun Heo
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