linux-kernel - Re: [PATCH 0/3] x86/sev: Carve out the SVSM support code

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Message-ID: <e4571015-5b76-426f-9e12-0181df9ab1f7@amd.com>
Date: Thu, 4 Dec 2025 08:53:01 -0600
From: Tom Lendacky <thomas.lendacky@....com>
To: Borislav Petkov <bp@...nel.org>
Cc: linux-coco@...ts.linux.dev, X86 ML <x86@...nel.org>,
 LKML <linux-kernel@...r.kernel.org>, "Borislav Petkov (AMD)" <bp@...en8.de>
Subject: Re: [PATCH 0/3] x86/sev: Carve out the SVSM support code

On 12/4/25 06:48, Borislav Petkov wrote:
> From: "Borislav Petkov (AMD)" <bp@...en8.de>
> 
> Hi,
> 
> I've been meaning to do this for a while now but didn't have a good idea how
> to do it nicely. Using the internal header makes it almost trivial.

Quick testing doesn't show any issues.

Reviewed-by: Tom Lendacky <thomas.lendacky@....com>
> 
> Thx.
> 
> Borislav Petkov (AMD) (3):
>   x86/sev: Move the internal header
>   x86/sev: Add internal header guards
>   x86/sev: Carve out the SVSM code into a separate compilation unit
> 
>  arch/x86/boot/startup/sev-startup.c           |   3 +-
>  arch/x86/coco/sev/Makefile                    |   2 +-
>  arch/x86/coco/sev/core.c                      | 380 +-----------------
>  .../sev-internal.h => coco/sev/internal.h}    |  32 ++
>  arch/x86/coco/sev/noinstr.c                   |   3 +-
>  arch/x86/coco/sev/svsm.c                      | 362 +++++++++++++++++
>  arch/x86/coco/sev/vc-handle.c                 |   3 +-
>  7 files changed, 403 insertions(+), 382 deletions(-)
>  rename arch/x86/{include/asm/sev-internal.h => coco/sev/internal.h} (75%)
>  create mode 100644 arch/x86/coco/sev/svsm.c
>