linux-kernel - Re: [PATCH v6 07/11] x86/smpboot: Disable parallel boot for AMD CPUs

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Date:   Tue, 07 Feb 2023 15:46:15 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Woodhouse, David" <dwmw@...zon.co.uk>,
        "usama.arif@...edance.com" <usama.arif@...edance.com>,
        "arjan@...ux.intel.com" <arjan@...ux.intel.com>
Cc:     "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "seanjc@...gle.com" <seanjc@...gle.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "fam.zheng@...edance.com" <fam.zheng@...edance.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "liangma@...ngbit.com" <liangma@...ngbit.com>,
        "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>,
        "mimoja@...oja.de" <mimoja@...oja.de>,
        "hewenliang4@...wei.com" <hewenliang4@...wei.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "punit.agrawal@...edance.com" <punit.agrawal@...edance.com>,
        "simon.evans@...edance.com" <simon.evans@...edance.com>,
        "bp@...en8.de" <bp@...en8.de>,
        "paulmck@...nel.org" <paulmck@...nel.org>,
        "rcu@...r.kernel.org" <rcu@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH v6 07/11] x86/smpboot: Disable parallel boot for AMD CPUs

On Tue, Feb 07 2023 at 09:52, David Woodhouse wrote:

> On Tue, 2023-02-07 at 01:09 +0100, Thomas Gleixner wrote:
>> On Thu, Feb 02 2023 at 21:56, Usama Arif wrote:
>>
>> -ENOCONTENT
>
>
> Yeah, I'm aware of the nonsense here too but when I'm actually writing
> a commit message, years of habit kick in and it doesn't occur to me to
> pointlessly repeat the words that are already there, one line up where
> it says "Disable parallel boot for AMD CPUs".
>
> I'm old and stupid, but eventually I'll start to remember that people
> nowadays like to gratuitously refuse to read those words, and they want
> them repeated in a different place.

I'm not asking for repeating information from the subject line but to
actually add a rationale. The WHY is the most important information of a
changelog, no?

> Bear with me...

I do, but that doesn't mean I'm giving you special treatment :)

Thanks,

        tglx