linux-kernel - Re: [PATCH V4 resend] lib/group_cpus.c: avoid to acquire cpu hotplug lock in group_cpus

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Message-Id: <20231206165453.613dbe57555f41ab4b9b0acc@linux-foundation.org>
Date:   Wed, 6 Dec 2023 16:54:53 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Ming Lei <ming.lei@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, Keith Busch <kbusch@...nel.org>,
        linux-nvme@...ts.infradead.org, linux-block@...r.kernel.org,
        Yi Zhang <yi.zhang@...hat.com>,
        Guangwu Zhang <guazhang@...hat.com>,
        Chengming Zhou <zhouchengming@...edance.com>,
        Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH V4 resend] lib/group_cpus.c: avoid to acquire cpu
 hotplug lock in group_cpus_evenly

On Wed, 6 Dec 2023 16:41:44 -0800 Yury Norov <yury.norov@...il.com> wrote:

> Although, it's not related to this patch directly. So, if you fix
> zalloc_cpumask_var(), the patch looks good to me.
> 
> Reviewed-by: Yury Norov <yury.norov@...il.com>

Thanks.

I just moved this into mm.git's non-rebasing mm-hotfixes-stable branch,
so I'd prefer not to have to redo it at this stage.

Let's do these things (with which I agree) as a followup patch, please.