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

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Message-ID: <20250310140124.GJZ87wtBf-qMlizKuo@fat_crate.local>
Date: Mon, 10 Mar 2025 15:01:24 +0100
From: Borislav Petkov <bp@...en8.de>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: Ajay Kaher <ajay.kaher@...adcom.com>, kevinloughlin@...gle.com,
	bcm-kernel-feedback-list@...adcom.com, tglx@...utronix.de,
	mingo@...hat.com, dave.hansen@...ux.intel.com, x86@...nel.org,
	hpa@...or.com, virtualization@...ts.linux.dev,
	linux-kernel@...r.kernel.org, ye.li@...adcom.com,
	bo.gan@...adcom.com, vamsi-krishna.brahmajosyula@...adcom.com,
	alexey.makhalov@...adcom.com, vasavi.sirnapalli@...adcom.com,
	florian.fainelli@...adcom.com
Subject: Re: [PATCH] sev-snp: parse MP tables for VMware hypervisor

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