linux-kernel - Re: [PATCH -tip V3 3/8] workqueue: introduce wq_online

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Message-ID: <20210104135649.GO3021@hirez.programming.kicks-ass.net>
Date:   Mon, 4 Jan 2021 14:56:49 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Lai Jiangshan <jiangshanlai@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Valentin Schneider <valentin.schneider@....com>,
        Qian Cai <cai@...hat.com>,
        Vincent Donnefort <vincent.donnefort@....com>,
        Dexuan Cui <decui@...rosoft.com>,
        Lai Jiangshan <laijs@...ux.alibaba.com>,
        Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH -tip V3 3/8] workqueue: introduce wq_online_cpumask

On Sat, Dec 26, 2020 at 10:51:11AM +0800, Lai Jiangshan wrote:
> From: Lai Jiangshan <laijs@...ux.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 ?