linux-kernel - Re: [PATCH] fixup! x86/sev: Share implementation of MSR-based page state change

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Message-ID: <aCRLT3C9zthX9g5r@gmail.com>
Date: Wed, 14 May 2025 09:50:39 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
	Ard Biesheuvel <ardb@...nel.org>, Borislav Petkov <bp@...en8.de>,
	Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH] fixup! x86/sev: Share implementation of MSR-based page
 state change


* Ard Biesheuvel <ardb+git@...gle.com> wrote:

> From: Ard Biesheuvel <ardb@...nel.org>
> 
> This is a fixup for the mentioned patch in principle but it applies to
> the end of the v3 series so all subsequent conflicts have already been
> resolved.
> 
> Without it, PVALIDATE will be passed the PA instead of the VA, which
> will break if the early page state API is used after the 1:1 mapping is
> unmapped.
> 
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Tom Lendacky <thomas.lendacky@....com>
> ---
>  arch/x86/boot/compressed/sev.c      | 6 +++---
>  arch/x86/boot/startup/sev-shared.c  | 8 ++++----
>  arch/x86/boot/startup/sev-startup.c | 2 +-
>  3 files changed, 8 insertions(+), 8 deletions(-)

Thanks!

I folded this fix back into the originating patch and rolled forward 
the changes and resolved the conflicts, the updated series can be found 
at:

   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git WIP.x86/boot

Thanks,

	Ingo