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Date:   Tue, 19 Oct 2021 08:38:44 -1000
From:   Tejun Heo <>
Cc:,,, Menglong Dong <>
Subject: Re: [PATCH v2] workqueue: make sysfs of unbound kworker cpumask more

On Sun, Oct 17, 2021 at 08:04:02PM +0800, wrote:
> From: Menglong Dong <>
> Some unfriendly component, such as dpdk, write the same mask to
> unbound kworker cpumask again and again. Every time it write to
> this interface some work is queue to cpu, even though the mask
> is same with the original mask.
> So, fix it by return success and do nothing if the cpumask is
> equal with the old one.
> Signed-off-by: Mengen Sun <>
> Signed-off-by: Menglong Dong <>

Applied to wq/for-5.16.



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