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From: Peter Zijlstra <peterz@infradead.org>
To: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	Valentin Schneider <valentin.schneider@arm.com>,
	Qian Cai <cai@redhat.com>,
	Vincent Donnefort <vincent.donnefort@arm.com>,
	Dexuan Cui <decui@microsoft.com>,
	Lai Jiangshan <laijs@linux.alibaba.com>,
	Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH -tip V3 3/8] workqueue: introduce wq_online_cpumask
Date: Mon, 4 Jan 2021 14:56:49 +0100	[thread overview]
Message-ID: <20210104135649.GO3021@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201226025117.2770-4-jiangshanlai@gmail.com>

On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@linux.alibaba.com>
> 
> wq_online_cpumask is the cached result of cpu_online_mask with the
> going-down cpu cleared.

You can't use cpu_active_mask ?

  reply	other threads:[~2021-01-04 13:57 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-26  2:51 [PATCH -tip V3 0/8] workqueue: break affinity initiatively Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 1/8] workqueue: use cpu_possible_mask instead of cpu_active_mask to break affinity Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 2/8] workqueue: Manually break affinity on pool detachment Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 3/8] workqueue: introduce wq_online_cpumask Lai Jiangshan
2021-01-04 13:56   ` Peter Zijlstra [this message]
2021-01-05  2:41     ` Lai Jiangshan
2021-01-05  2:53       ` Lai Jiangshan
2021-01-05  8:23       ` Lai Jiangshan
2021-01-05 13:17         ` Peter Zijlstra
2021-01-05 14:37           ` Lai Jiangshan
2021-01-05 14:40             ` Lai Jiangshan
2021-01-05 16:24         ` Peter Zijlstra
2020-12-26  2:51 ` [PATCH -tip V3 4/8] workqueue: use wq_online_cpumask in restore_unbound_workers_cpumask() Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 5/8] workqueue: Manually break affinity on hotplug for unbound pool Lai Jiangshan
     [not found]   ` <20201226101631.5448-1-hdanton@sina.com>
2020-12-27 14:04     ` Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 6/8] workqueue: reorganize workqueue_online_cpu() Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 7/8] workqueue: reorganize workqueue_offline_cpu() unbind_workers() Lai Jiangshan
2020-12-26  2:51 ` [PATCH -tip V3 8/8] workqueue: Fix affinity of kworkers when attaching into pool Lai Jiangshan
     [not found]   ` <20201229100639.2086-1-hdanton@sina.com>
2020-12-29 10:13     ` Lai Jiangshan
2021-01-08 11:46 ` [PATCH -tip V3 0/8] workqueue: break affinity initiatively Peter Zijlstra
2021-01-11 10:07   ` Thomas Gleixner
2021-01-11 11:01     ` Peter Zijlstra
2021-01-11 15:00       ` Paul E. McKenney
2021-01-11 17:16       ` Peter Zijlstra
2021-01-11 18:09         ` Paul E. McKenney
2021-01-11 21:50           ` Paul E. McKenney
2021-01-12 17:14             ` Paul E. McKenney
2021-01-12 23:53               ` Paul E. McKenney
2021-01-15  9:11                 ` Peter Zijlstra
2021-01-15 13:04                   ` Peter Zijlstra
2021-01-16  6:00                     ` Lai Jiangshan
2021-01-11 19:21         ` Valentin Schneider
2021-01-11 20:23           ` Peter Zijlstra
2021-01-11 22:47             ` Valentin Schneider
2021-01-12  4:33             ` Lai Jiangshan
2021-01-12 14:53               ` Peter Zijlstra
2021-01-12 15:38                 ` Lai Jiangshan
2021-01-13 11:10                   ` Peter Zijlstra
2021-01-13 12:00                     ` Lai Jiangshan
2021-01-13 12:57                     ` Lai Jiangshan
2021-01-12 17:52               ` Valentin Schneider
2021-01-12 14:57           ` Jens Axboe
2021-01-12 15:51             ` Peter Zijlstra

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