linux-kernel - Re: [PATCH -next v5 3/3] cpuset: add helpers for cpus read and cpuset

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Message-ID: <vel3zxgvbrqfvw6drqrtbski7xwe2thn3bfeo6ahifuncvjxvu@kegptpfird5l>
Date: Wed, 27 Aug 2025 10:46:43 +0200
From: Michal Koutný <mkoutny@...e.com>
To: Chen Ridong <chenridong@...weicloud.com>
Cc: Waiman Long <llong@...hat.com>, tj@...nel.org, hannes@...xchg.org, 
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, lujialin4@...wei.com, 
	chenridong@...wei.com
Subject: Re: [PATCH -next v5 3/3] cpuset: add helpers for cpus read and
 cpuset_mutex locks

On Wed, Aug 27, 2025 at 02:23:17PM +0800, Chen Ridong <chenridong@...weicloud.com> wrote:

> It was suggested to use a do-while construct for proper scoping. but it could not work if we define as:

Perhaps like this:
DEFINE_LOCK_GUARD_0(cpuset_full, cpuset_full_lock(), cpuset_full_unlock())

> So I sent this patch version.

No probs, it's a minor issue.

Michal

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