linux-kernel - Re: [PATCH V4] Documentation: Improve crash_kexec_post

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Message-ID: <87ed3q94s7.fsf@trenco.lwn.net>
Date: Mon, 04 Nov 2024 12:29:12 -0700
From: Jonathan Corbet <corbet@....net>
To: "Guilherme G. Piccoli" <gpiccoli@...lia.com>, kexec@...ts.infradead.org,
 linux-doc@...r.kernel.org
Cc: bhe@...hat.com, vgoyal@...hat.com, dyoung@...hat.com,
 linux-kernel@...r.kernel.org, linux-debuggers@...r.kernel.org,
 stephen.s.brennan@...cle.com, horms@...nel.org, kernel@...ccoli.net,
 kernel-dev@...lia.com, mhklinux@...look.com, "Guilherme G. Piccoli"
 <gpiccoli@...lia.com>
Subject: Re: [PATCH V4] Documentation: Improve crash_kexec_post_notifiers
 description

"Guilherme G. Piccoli" <gpiccoli@...lia.com> writes:

> The crash_kexec_post_notifiers description could be improved a bit,
> by clarifying its upsides (yes, there are some!) and be more descriptive
> about the downsides, specially mentioning code that enables the option
> unconditionally, like Hyper-V[0], PowerPC (fadump)[1] and more recently,
> AMD SEV-SNP[2].
>
> [0] Commit a11589563e96 ("x86/Hyper-V: Report crash register data or kmsg before running crash kernel").
> [1] Commit 06e629c25daa ("powerpc/fadump: Fix inaccurate CPU state info in vmcore generated with panic").
> [2] Commit 8ef979584ea8 ("crypto: ccp: Add panic notifier for SEV/SNP firmware shutdown on kdump").
>
> Reviewed-by: Stephen Brennan <stephen.s.brennan@...cle.com>
> Signed-off-by: Guilherme G. Piccoli <gpiccoli@...lia.com>
> ---

Applied, thanks.

jon