Re: [PATCH] sev-snp: parse MP tables for VMware hypervisor

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To: Tom Lendacky <thomas.lendacky@xxxxxxx>
Subject: Re: [PATCH] sev-snp: parse MP tables for VMware hypervisor
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Mon, 10 Mar 2025 15:01:24 +0100
Cc: Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>, kevinloughlin@xxxxxxxxxx, bcm-kernel-feedback-list@xxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, ye.li@xxxxxxxxxxxx, bo.gan@xxxxxxxxxxxx, vamsi-krishna.brahmajosyula@xxxxxxxxxxxx, alexey.makhalov@xxxxxxxxxxxx, vasavi.sirnapalli@xxxxxxxxxxxx, florian.fainelli@xxxxxxxxxxxx
In-reply-to: <c2f26b4f-e42c-f152-c33d-4c0dd8d68da6@amd.com>
References: <20241219114400.858980-1-ajay.kaher@broadcom.com> <20250310102607.GDZ86-P3VFA-x2iy4l@fat_crate.local> <c2f26b4f-e42c-f152-c33d-4c0dd8d68da6@amd.com>

On Mon, Mar 10, 2025 at 08:12:46AM -0500, Tom Lendacky wrote:
> >> +	if (sev_status & MSR_AMD64_SEV_SNP_ENABLED &&
> > 
> > cpu_feature_enabled(X86_FEATURE_SEV_SNP)
> 
> I think this should really be cc_platform_has(CC_ATTR_GUEST_SEV_SNP).

Ah, we wanna check the guest, sure.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

References:
- [PATCH] sev-snp: parse MP tables for VMware hypervisor
  - From: Ajay Kaher
- Re: [PATCH] sev-snp: parse MP tables for VMware hypervisor
  - From: Borislav Petkov
- Re: [PATCH] sev-snp: parse MP tables for VMware hypervisor
  - From: Tom Lendacky

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