linux-kernel - Re: [PATCH] irq/matrix: simplify CPU selection logic

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Message-ID: <87pl6wdcn1.ffs@tglx>
Date: Mon, 26 Jan 2026 09:03:14 +0100
From: Thomas Gleixner <tglx@...nel.org>
To: Zhan Xusheng <zhanxusheng1024@...il.com>, linux-kernel@...r.kernel.org
Cc: mingo@...nel.org, Zhan Xusheng <zhanxusheng@...omi.com>
Subject: Re: [PATCH] irq/matrix: simplify CPU selection logic

On Wed, Jan 21 2026 at 11:05, Zhan Xusheng wrote:

> The functions matrix_find_best_cpu() and matrix_find_best_cpu_managed()
> were refactored to simplify the CPU selection logic and improve
> readability.

You are describing what your patch is doing, but fail to provide any
explanation why this patch is required and which problem it actucally
solves. See:

  https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#changelog

When you read that document, please read the paragraph about selecting
the subsystem prefix too.

Thanks,

        tglx