linux-kernel - Re: [PATCH v2] PM: EM: Fix potential division-by-zero error in em_compute

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Message-ID: <CAMuHMdVAvMuzmn48aVB-xshMjbENXFc1MmYB=r7iPrMvfDZjDg@mail.gmail.com>
Date: Thu, 17 Apr 2025 09:20:27 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Yaxiong Tian <iambestgod@...com>
Cc: Lukasz Luba <lukasz.luba@....com>, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Yaxiong Tian <tianyaxiong@...inos.cn>, rafael@...nel.org, 
	Konstantin Ryabitsev <konstantin@...uxfoundation.org>
Subject: Re: [PATCH v2] PM: EM: Fix potential division-by-zero error in em_compute_costs()

Hi Yaxiong,

On Mon, 14 Apr 2025 at 11:14, Yaxiong Tian <iambestgod@...com> wrote:
> I wasn’t sure whether the new patch should reuse the current Message-ID
> or create a new one, so I checked with ChatGPT and kept the original
> Message-ID for v2. If a new Message-ID is required, I can resend the
> email.

Different (revisions of) patches must have different Message-IDs,
else they can no longer be distinguished by our tooling.
Fortunately it seems like you didn't succeed (which is good ;-),
as all four revisions do have different Message-IDs:

https://lore.kernel.org/all/tencent_8478BF8F2549630842D323E7394CB6F49D08@qq.com/
https://lore.kernel.org/all/tencent_EE27C7D1D6BDB3EE57A2C467CC59A866C405@qq.com/
https://lore.kernel.org/all/tencent_6D2374392DB66C9D23BF6E2546638A42EC08@qq.com/
https://lore.kernel.org/all/tencent_2256A7C02F7849F1D89390E488704E826D06@qq.com/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds