linux-kernel - Re: [RFC PATCH 2/4] kernel/workqueue: Bind rescuer to unbound cpumask for WQ

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Date: Tue, 16 Jan 2024 08:47:58 -1000
From: Tejun Heo <tj@...nel.org>
To: Juri Lelli <juri.lelli@...hat.com>
Cc: Lai Jiangshan <jiangshanlai@...il.com>,
	Aaron Tomlin <atomlin@...mlin.com>,
	Valentin Schneider <vschneid@...hat.com>,
	Waiman Long <longman@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/4] kernel/workqueue: Bind rescuer to unbound
 cpumask for WQ_UNBOUND

On Tue, Jan 16, 2024 at 05:19:27PM +0100, Juri Lelli wrote:
> At the time they are created unbound workqueues rescuers currently use
> cpu_possible_mask as their affinity, but this can be too wide in case a
> workqueue unbound mask has been set as a subset of cpu_possible_mask.
> 
> Make new rescuers use their associated workqueue unbound cpumask from
> the start.
> 
> Signed-off-by: Juri Lelli <juri.lelli@...hat.com>

Apply 1-2 to wq/for-6.9.

Thanks.

-- 
tejun