linux-kernel - Re: [PATCH v3 0/6] KVM: nVMX: Enlightened VMCS for Hyper-V on KVM

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Message-ID: <428fb407-4082-abef-b643-7b92cdd6b14c@redhat.com>
Date:   Thu, 2 Aug 2018 15:26:31 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>
Cc:     kvm@...r.kernel.org,
        Radim Krčmář <rkrcmar@...hat.com>,
        Roman Kagan <rkagan@...tuozzo.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>,
        Mohammed Gamal <mmorsy@...hat.com>,
        Cathy Avery <cavery@...hat.com>, linux-kernel@...r.kernel.org,
        Jim Mattson <jmattson@...gle.com>,
        Liran Alon <liran.alon@...cle.com>
Subject: Re: [PATCH v3 0/6] KVM: nVMX: Enlightened VMCS for Hyper-V on KVM

On 02/08/2018 15:22, Vitaly Kuznetsov wrote:
>> Looks good, but we have to do something about live migration.
> Sure,
> 
> I don't actually see any fundumental problems when eVMCS is in use,
> however, I'd like to enable migration when we know that it works so I
> was going to wait for your nested virtualization state migration series
> to land and gain Qemu support before starting to experiment. "One bite
> at a time".
> 

Don't worry about QEMU - working with tools/testing/selftests/kvm/ is
much simpler (as long as a similar test exists to what you're doing).

Paolo