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Date:   Wed, 2 Mar 2022 17:09:34 +0100
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Subject: Re: [PATCH v11 00/45] Add AMD Secure Nested Paging (SEV-SNP) Guest
 Support
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To:     Borislav Petkov <bp@alien8.de>
Cc:     Brijesh Singh <brijesh.singh@amd.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
        linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
        linux-coco@lists.linux.dev, linux-mm@kvack.org,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Joerg Roedel <jroedel@suse.de>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Ard Biesheuvel <ardb@kernel.org>,
        Sean Christopherson <seanjc@google.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Jim Mattson <jmattson@google.com>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Sergio Lopez <slp@redhat.com>, Peter Gonda <pgonda@google.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        David Rientjes <rientjes@google.com>,
        Dov Murik <dovmurik@linux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@ibm.com>,
        Michael Roth <michael.roth@amd.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        "Dr . David Alan Gilbert" <dgilbert@redhat.com>,
        brijesh.ksingh@gmail.com, tony.luck@intel.com, marcorr@google.com,
        sathyanarayanan.kuppuswamy@linux.intel.com
References: <20220224165625.2175020-1-brijesh.singh@amd.com>
 <Yh99pBI/RwZY1yf7@nazgul.tnic>
From:   Paolo Bonzini <pbonzini@redhat.com>
In-Reply-To: <Yh99pBI/RwZY1yf7@nazgul.tnic>
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On 3/2/22 15:22, Borislav Petkov wrote:
> On Thu, Feb 24, 2022 at 10:55:40AM -0600, Brijesh Singh wrote:
>> This part of Secure Encrypted Paging (SEV-SNP) series focuses on the changes
>> required in a guest OS for SEV-SNP support.
> 
> So the first 4 are KVM material.
> 
> Paolo, what's the story here, are you gonna take them and give me an
> immutable branch or do you have another idea?

Sure: https://git.kernel.org/pub/scm/virt/kvm/kvm.git, branch svm-for-snp.

$ git log -4 --oneline --reverse
3c95d3fab229 KVM: SVM: Define sev_features and vmpl field in the VMSA
0c86f9cf27f7 KVM: SVM: Create a separate mapping for the SEV-ES save area
c5e0ec4c742d KVM: SVM: Create a separate mapping for the GHCB save area
88c955d1fc93 (HEAD -> kvm/svm-for-snp) KVM: SVM: Update the SEV-ES save area mapping

Paolo