linux-kernel - Re: [RFC] KVM: x86: Support KVM VMs sharing SEV context

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Message-ID: <d01c686b-45e0-836a-e144-4330c46f4d42@redhat.com>
Date:   Thu, 25 Feb 2021 12:26:49 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Nathan Tempelman <natet@...gle.com>, thomas.lendacky@....com,
        x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        srutherford@...gle.com, rientjes@...gle.com, brijesh.singh@....com,
        Ashish.Kalra@....com, Nathaniel McCallum <npmccallum@...hat.com>,
        Marc Orr <marcorr@...gle.com>,
        "Hyunwook (Wooky) Baek" <baekhw@...gle.com>
Subject: Re: [RFC] KVM: x86: Support KVM VMs sharing SEV context

On 24/02/21 17:58, Sean Christopherson wrote:
> That being said, is there a strong need to get this into 5.12?  AIUI, this hasn't
> had any meaningful testing, selftests/kvm-unit-tests or otherwise.  Pushing out
> to 5.13 might give us a good chance of getting some real testing before merging,
> depending on the readiness of SEV testing support.

Note that I don't mean including this in the merge window.  However, I 
know that there are multiple people working on alternative SEV live 
migration support, and as long as we are sure that the API is simple and 
useful, it should be okay to merge this for rc2 or rc3.

Paolo