linux-kernel - Re: [PATCH 1/1] crypto: ccp - Add the SNP_VERIFY

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Message-ID: <aG0jxWk1eor1A_Gd@google.com>
Date: Tue, 8 Jul 2025 06:57:25 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: "Pratik R. Sampat" <prsampat@....com>
Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org, 
	ashish.kalra@....com, thomas.lendacky@....com, john.allen@....com, 
	herbert@...dor.apana.org.au, bp@...en8.de, michael.roth@....com, aik@....com, 
	pbonzini@...hat.com
Subject: Re: [PATCH 1/1] crypto: ccp - Add the SNP_VERIFY_MITIGATION command

On Mon, Jun 30, 2025, Pratik R. Sampat wrote:
> The SEV-SNP firmware provides the SNP_VERIFY_MITIGATION command, which
> can be used to query the status of currently supported vulnerability
> mitigations and to initiate mitigations within the firmware.
> 
> See SEV-SNP Firmware ABI specifications 1.58, SNP_VERIFY_MITIGATION for
> more details.

Nothing here explains why this needs to be exposed directly to userspace.