linux-kernel - Re: [PATCH v18 01/17] x86/setup: Move CRASH_ALIGN and CRASH_ADDR_{LOW|HIGH}

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Date:   Thu, 23 Dec 2021 10:09:25 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, <x86@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>, <linux-kernel@...r.kernel.org>,
        Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>,
        Vivek Goyal <vgoyal@...hat.com>,
        Eric Biederman <ebiederm@...ssion.com>,
        <kexec@...ts.infradead.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        <devicetree@...r.kernel.org>, "Jonathan Corbet" <corbet@....net>,
        <linux-doc@...r.kernel.org>, Randy Dunlap <rdunlap@...radead.org>,
        Feng Zhou <zhoufeng.zf@...edance.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Chen Zhou <dingguo.cz@...group.com>,
        "John Donnelly" <John.p.donnelly@...cle.com>
Subject: Re: [PATCH v18 01/17] x86/setup: Move CRASH_ALIGN and
 CRASH_ADDR_{LOW|HIGH}_MAX to asm/kexec.h



On 2021/12/23 4:43, Borislav Petkov wrote:
> On Wed, Dec 22, 2021 at 09:08:04PM +0800, Zhen Lei wrote:
>> From: Chen Zhou <chenzhou10@...wei.com>
>>
>> We want to make function reserve_crashkernel[_low](), which is implemented
>   ^^
> 
> Please use passive voice in your commit message: no "we" or "I", etc,
> and describe your changes in imperative mood.

My bad language habits. I've made this mistake several times.

> 
> Also, pls read section "2) Describe your changes" in
> Documentation/process/submitting-patches.rst for more details.
> 
> Bottom line is: personal pronouns are ambiguous in text, especially with
> so many parties/companies/etc developing the kernel so let's avoid them
> please.

OK, I'll check the description of the other patches.

> 
>> by X86, available to other architectures. It references macro CRASH_ALIGN
> 
> "x86"

OK

> 
>> and will be moved to public crash_core.c. But the defined values of
>> CRASH_ALIGN may be different in different architectures. So moving the
>> definition of CRASH_ALIGN to asm/kexec.h is a good choice.
>>
>> The reason for moving CRASH_ADDR_{LOW|HIGH}_MAX is the same as above.
> 
> This commit message needs to say something along the lines of:
> 
> "Move CRASH_ALIGN and ... to the arch-specific header in preparation
> of making reserve_crashkernel[_low]() generic, used by other
> architectures."

OK, I will use this one, thanks.

By the way, patch 0004-0006 were written based on your suggestion. Can you
take a moment to review it? I think I forgot to add "Suggested-by".

> 
> or so.
>