linux-kernel - Re: [PATCH -next 00/11] Refactor cpus mask setting

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Message-ID: <aMsW2WGWrZUm5Qee@slm.duckdns.org>
Date: Wed, 17 Sep 2025 10:15:21 -1000
From: Tejun Heo <tj@...nel.org>
To: Chen Ridong <chenridong@...weicloud.com>
Cc: longman@...hat.com, hannes@...xchg.org, mkoutny@...e.com,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	lujialin4@...wei.com, chenridong@...wei.com
Subject: Re: [PATCH -next 00/11] Refactor cpus mask setting

On Wed, Sep 17, 2025 at 06:04:43AM +0000, Chen Ridong wrote:
> From: Chen Ridong <chenridong@...wei.com>
> 
> This patch series refactors the CPU mask configuration logic for both
> cpuset.cpus and cpuset.cpus.exclusive settings. The primary goal is to
> improve code readability through comprehensive function restructuring.
> 
> The CPU mask update process follows these steps:
> 1. Parse user input
> 2. Skip processing if no actual change to CPU mask
> 3. Compute trial cpuset's effective exclusive CPUs
> 4. Validate changes and return error if invalid
> 5. Handle partition state changes resulting from CPU mask modifications
> 6. Apply new CPU mask to the cpuset
> 7. Propagate changes through the hierarchy
> 
> The series is organized as follows:
> patches 1-3: Code cleanup and preparation for refactoring
> patches 4-9: Refactoring of cpuset.cpus configuration logic
> patches 10-11: Refactoring of cpuset.cpus.exclusive configuration logic

Applied to cgroup/for-6.18.

Thanks.

-- 
tejun