linux-kernel - Re: [PATCH v14 05/22] KVM: SEV: Add KVM_SEV_SNP_LAUNCH

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Message-ID: <ZimVQKWGZyju3RbT@google.com>
Date: Wed, 24 Apr 2024 16:26:56 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Michael Roth <michael.roth@....com>
Cc: kvm@...r.kernel.org, linux-coco@...ts.linux.dev, linux-mm@...ck.org, 
	linux-crypto@...r.kernel.org, x86@...nel.org, linux-kernel@...r.kernel.org, 
	tglx@...utronix.de, mingo@...hat.com, jroedel@...e.de, 
	thomas.lendacky@....com, hpa@...or.com, ardb@...nel.org, pbonzini@...hat.com, 
	vkuznets@...hat.com, jmattson@...gle.com, luto@...nel.org, 
	dave.hansen@...ux.intel.com, slp@...hat.com, pgonda@...gle.com, 
	peterz@...radead.org, srinivas.pandruvada@...ux.intel.com, 
	rientjes@...gle.com, dovmurik@...ux.ibm.com, tobin@....com, bp@...en8.de, 
	vbabka@...e.cz, kirill@...temov.name, ak@...ux.intel.com, tony.luck@...el.com, 
	sathyanarayanan.kuppuswamy@...ux.intel.com, alpergun@...gle.com, 
	jarkko@...nel.org, ashish.kalra@....com, nikunj.dadhania@....com, 
	pankaj.gupta@....com, liam.merwick@...cle.com, 
	Brijesh Singh <brijesh.singh@....com>
Subject: Re: [PATCH v14 05/22] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command

On Sun, Apr 21, 2024, Michael Roth wrote:
> From: Brijesh Singh <brijesh.singh@....com>
> 
> KVM_SEV_SNP_LAUNCH_START begins the launch process for an SEV-SNP guest.
> The command initializes a cryptographic digest context used to construct
> the measurement of the guest. Other commands can then at that point be
> used to load/encrypt data into the guest's initial launch image.
> 
> For more information see the SEV-SNP specification.
> 
> Signed-off-by: Brijesh Singh <brijesh.singh@....com>
> Co-developed-by: Michael Roth <michael.roth@....com>
> Signed-off-by: Michael Roth <michael.roth@....com>
> Signed-off-by: Ashish Kalra <ashish.kalra@....com>
> ---

I somehow ended up in the v13 series and gave feedback on that version, but AFAICT
all of the feedback still applies to v14.

https://lore.kernel.org/all/Zil8MnPXkCbqw3Ka@google.com