From: Borislav Petkov <bp@alien8.de>
To: Ashish Kalra <Ashish.Kalra@amd.com>
Cc: dave.hansen@linux.intel.com, luto@kernel.org, tglx@linutronix.de,
mingo@redhat.com, x86@kernel.org, hpa@zytor.com,
thomas.lendacky@amd.com, linux-kernel@vger.kernel.org,
peterz@infradead.org
Subject: Re: [PATCH v2] x86/mm: fix pg_level_to_pfn for 5-level paging mode.
Date: Wed, 18 Oct 2023 22:30:03 +0200 [thread overview]
Message-ID: <20231018203003.GIZTBAS1KUpS7nk8VH@fat_crate.local> (raw)
In-Reply-To: <20231018190626.445926-1-Ashish.Kalra@amd.com>
On Wed, Oct 18, 2023 at 07:06:26PM +0000, Ashish Kalra wrote:
> From: Ashish Kalra <ashish.kalra@amd.com>
>
> Add support for 5-level paging in pg_level_to_pfn().
>
> This issue was found during working on SNP guest kexec support,
> this helper function is used during early boot stage for setting
> of C-bit on the PTEs and additionally need this same helper for
> switching shared pages to private during guest kexec.
How to write a proper commit message:
1. Prepare the context for the explanation briefly.
2. Explain the problem at hand.
3. "It happens because of <...>"
4. "Fix it by doing X"
5. "(Potentially do Y)."
For more detailed info, see
Documentation/process/submitting-patches.rst, Section "2) Describe your
changes".
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
prev parent reply other threads:[~2023-10-18 20:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-18 19:06 Ashish Kalra
2023-10-18 20:30 ` Borislav Petkov [this message]
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