linux-kernel - Re: Fwd: kernel/cpu.c: linux misses the initialization of one CPU (off-by-one regression)

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Message-ID: <90bf1d9d-1df3-acd1-5ecb-0c4e343ceffd@leemhuis.info>
Date:   Tue, 20 Jun 2023 14:36:21 +0200
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux x86 <x86@...nel.org>
Cc:     David Woodhouse <dwmw@...zon.co.uk>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        Helge Deller <deller@....de>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        Vincent Donnefort <vdonnefort@...gle.com>,
        Bert Karwatzki <spasswolf@....de>
Subject: Re: Fwd: kernel/cpu.c: linux misses the initialization of one CPU
 (off-by-one regression)

[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]

On 29.05.23 03:50, Bagas Sanjaya wrote:

> I notice a regression report on Bugzilla [1]. Quoting from it:
> [...]
> #regzbot introduced: 18415f33e2ac4a https://bugzilla.kernel.org/show_bug.cgi?id=217498
> #regzbot title: Off-by-one CPU initalization when CONFIG_NR_CPUS equal to actual system CPU count

Fix in next (just like the culprit):

#regzbot fix: 06c6796e0304234
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
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