linux-kernel - Re: [PATCH v2] cgroup/cpuset: remove kernfs active break

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Message-ID: <c40d5b49-1955-42ee-b95c-37ed580e9933@redhat.com>
Date: Wed, 8 Jan 2025 14:27:07 -0500
From: Waiman Long <llong@...hat.com>
To: Tejun Heo <tj@...nel.org>, Chen Ridong <chenridong@...weicloud.com>
Cc: hannes@...xchg.org, mkoutny@...e.com, cgroups@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] cgroup/cpuset: remove kernfs active break

On 1/8/25 11:53 AM, Tejun Heo wrote:
> Waiman, what do you think?
>
This patch looks good me. However, this does raise a question that I 
overlook when I made hotplug operation synchronous while task transfer, 
if needed, remained asynchronous. There is a very slight chance where we 
keep removing tasks added after execution capability is restored. As 
cgroup v1 is in the process of being deprecated, do you think we still 
need to do something to address this issue?

Cheers,
Longman