Re: [PATCH Part1 RFC v4 16/36] KVM: SVM: define new SEV_FEATURES field in the VMCB Save State Area

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To: Brijesh Singh <brijesh.singh@xxxxxxx>
Subject: Re: [PATCH Part1 RFC v4 16/36] KVM: SVM: define new SEV_FEATURES field in the VMCB Save State Area
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Tue, 17 Aug 2021 19:59:44 +0200
Cc: x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, platform-driver-x86@xxxxxxxxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Joerg Roedel <jroedel@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Sergio Lopez <slp@xxxxxxxxxx>, Peter Gonda <pgonda@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Dov Murik <dovmurik@xxxxxxxxxxxxx>, Tobin Feldman-Fitzthum <tobin@xxxxxxx>, Michael Roth <michael.roth@xxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, tony.luck@xxxxxxxxx, npmccallum@xxxxxxxxxx, brijesh.ksingh@xxxxxxxxx
In-reply-to: <YRv3x/JeNjcJ4E8a@zn.tnic>
References: <20210707181506.30489-1-brijesh.singh@amd.com> <20210707181506.30489-17-brijesh.singh@amd.com> <YRv3x/JeNjcJ4E8a@zn.tnic>

On Tue, Aug 17, 2021 at 07:54:15PM +0200, Borislav Petkov wrote:
> And by the way, why is this patch and the next 3 part of the guest set?
> They look like they belong into the hypervisor set.

Aha, patch 20 and further need the definitions.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

References:
- [PATCH Part1 RFC v4 00/36] Add AMD Secure Nested Paging (SEV-SNP) Guest Support
  - From: Brijesh Singh
- [PATCH Part1 RFC v4 16/36] KVM: SVM: define new SEV_FEATURES field in the VMCB Save State Area
  - From: Brijesh Singh
- Re: [PATCH Part1 RFC v4 16/36] KVM: SVM: define new SEV_FEATURES field in the VMCB Save State Area
  - From: Borislav Petkov

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