Re: [PATCH v13 09/26] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command

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To: Michael Roth <michael.roth@xxxxxxx>
Subject: Re: [PATCH v13 09/26] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Fri, 19 Apr 2024 18:13:30 +0200
Cc: kvm@xxxxxxxxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, jroedel@xxxxxxx, thomas.lendacky@xxxxxxx, hpa@xxxxxxxxx, ardb@xxxxxxxxxx, seanjc@xxxxxxxxxx, vkuznets@xxxxxxxxxx, jmattson@xxxxxxxxxx, luto@xxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, slp@xxxxxxxxxx, pgonda@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, srinivas.pandruvada@xxxxxxxxxxxxxxx, rientjes@xxxxxxxxxx, dovmurik@xxxxxxxxxxxxx, tobin@xxxxxxx, bp@xxxxxxxxx, vbabka@xxxxxxx, kirill@xxxxxxxxxxxxx, ak@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx, alpergun@xxxxxxxxxx, jarkko@xxxxxxxxxx, ashish.kalra@xxxxxxx, nikunj.dadhania@xxxxxxx, pankaj.gupta@xxxxxxx, liam.merwick@xxxxxxxxxx, Brijesh Singh <brijesh.singh@xxxxxxx>
In-reply-to: <20240419141920.2djcy6ag3peiiufn@amd.com>
References: <20240418194133.1452059-1-michael.roth@amd.com> <20240418194133.1452059-10-michael.roth@amd.com> <CABgObfYztTP+qoTa-tuPC8Au-aKhwiBkcvHni4T+n6MCD-P9Dw@mail.gmail.com> <20240419141920.2djcy6ag3peiiufn@amd.com>

On Fri, Apr 19, 2024 at 4:19 PM Michael Roth <michael.roth@xxxxxxx> wrote:
> So my current leaning is to send a v14 that backs out the major/minor
> policy enforcement and let firmware handle that aspect. (and also
> address your other comments).

Sounds good to me!

In the meanwhile I guess you can also update to have PFERR_PRIVATE_ACCESS.

Paolo

References:
- [PATCH v13 00/26] Add AMD Secure Nested Paging (SEV-SNP) Hypervisor Support
  - From: Michael Roth
- [PATCH v13 09/26] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command
  - From: Michael Roth
- Re: [PATCH v13 09/26] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command
  - From: Paolo Bonzini
- Re: [PATCH v13 09/26] KVM: SEV: Add KVM_SEV_SNP_LAUNCH_START command
  - From: Michael Roth

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