linux-kernel - Re: [PATCH v8 13/18] KVM: x86: Introduce new KVM_FEATURE_SEV_LIVE

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Message-ID: <890C57FE-6B42-4AC5-BC4A-CB2FEAA0A674@amd.com>
Date:   Sun, 6 Dec 2020 14:09:21 +0000
From:   "Kalra, Ashish" <Ashish.Kalra@....com>
To:     Paolo Bonzini <pbonzini@...hat.com>
CC:     Sean Christopherson <seanjc@...gle.com>,
        "Lendacky, Thomas" <Thomas.Lendacky@....com>,
        "bp@...e.de" <bp@...e.de>,
        "Singh, Brijesh" <brijesh.singh@....com>,
        "hpa@...or.com" <hpa@...or.com>,
        "joro@...tes.org" <joro@...tes.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "rientjes@...gle.com" <rientjes@...gle.com>,
        "srutherford@...gle.com" <srutherford@...gle.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "venu.busireddy@...cle.com" <venu.busireddy@...cle.com>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH v8 13/18] KVM: x86: Introduce new
 KVM_FEATURE_SEV_LIVE_MIGRATION feature & Custom MSR.


> On Dec 6, 2020, at 4:58 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> 
> On 04/12/20 18:23, Sean Christopherson wrote:
>>> On Fri, Dec 04, 2020, Ashish Kalra wrote:
>>> An immediate response, actually the SEV live migration patches are preferred
>>> over the Page encryption bitmap patches, in other words, if SEV live
>>> migration patches are applied then we don't need the Page encryption bitmap
>>> patches and we prefer the live migration series to be applied.
>>> 
>>> It is not that page encryption bitmap series supersede the live migration
>>> patches, they are just cut of the live migration patches.
>> In that case, can you post a fresh version of the live migration series?  Paolo
>> is obviously willing to take a big chunk of that series, and it will likely be
>> easier to review with the full context, e.g. one of my comments on the standalone
>> encryption bitmap series was going to be that it's hard to review without seeing
>> the live migration aspect.
> 
> It still applies without change.  For now I'll only keep the series queued in my (n)SVM branch, but will hold on applying it to kvm.git's queue and next branches.
> 

Ok thanks Paolo.