linux-kernel - Re: [PATCH v12 46/46] virt: sevguest: Add documentation for SEV-SNP CPUID Enforcement

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Message-ID: <CAMkAt6pTwo0e6deCtdY7zjEi7-45Mb_Pr7R0uK8WL8uUZAadRw@mail.gmail.com>
Date:   Mon, 14 Mar 2022 09:37:03 -0600
From:   Peter Gonda <pgonda@...gle.com>
To:     Brijesh Singh <brijesh.singh@....com>
Cc:     "the arch/x86 maintainers" <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kvm list <kvm@...r.kernel.org>, linux-efi@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, linux-coco@...ts.linux.dev,
        linux-mm@...ck.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        "H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Sergio Lopez <slp@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Dov Murik <dovmurik@...ux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@....com>,
        Borislav Petkov <bp@...en8.de>,
        Michael Roth <michael.roth@....com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        brijesh.ksingh@...il.com, Tony Luck <tony.luck@...el.com>,
        Marc Orr <marcorr@...gle.com>,
        Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Subject: Re: [PATCH v12 46/46] virt: sevguest: Add documentation for SEV-SNP
 CPUID Enforcement

On Mon, Mar 7, 2022 at 2:35 PM Brijesh Singh <brijesh.singh@....com> wrote:
>
> From: Michael Roth <michael.roth@....com>
>
> Update the documentation with information regarding SEV-SNP CPUID
> Enforcement details and what sort of assurances it provides to guests.
>
> Signed-off-by: Michael Roth <michael.roth@....com>
> Signed-off-by: Brijesh Singh <brijesh.singh@....com>

Tested-by: Peter Gonda <pgonda@...gle.com>

I've booted these V12 patches on our internal KVM stack and then
tested these new driver ioctls with some basic usage. Feel free to add
this tag to all the driver patches, I am not sure if a basic boot test
qualifies this for the entire series though.