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From: Vadim Rozenfeld <vrozenfe@redhat.com>
Date: Mon, 30 Jun 2014 21:36:41 +1000
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References: <201406300939223611342@sangfor.com>
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Subject: Re: [Qemu-devel] [questions] about KVM as a Microsoft-compatible
 hypervisor
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To: Jidong Xiao <jidong.xiao@gmail.com>
Cc: Zhang Haoyu <zhanghy@sangfor.com>, qemu-devel <qemu-devel@nongnu.org>, kvm <kvm@vger.kernel.org>

On Mon, 2014-06-30 at 06:19 -0400, Jidong Xiao wrote:
> On Mon, Jun 30, 2014 at 6:02 AM, Vadim Rozenfeld <vrozenfe@redhat.com> wrote:
> > On Mon, 2014-06-30 at 09:39 +0800, Zhang Haoyu wrote:
> >> Hi, Vadim
> >> I read the kvm-2012-forum paper < KVM as a Microsoft-compatible hypervisor>,
> >> Any update and other references, please?
> >>
> >> Thanks,
> >> Zhang Haoyu
> >>
> >>
> >
> > Unfortunately, not too much.
> > From the the most recent, we have lazy eoi implemented by
> > MST and reference time counter.
> >
> > Best regards,
> > Vadim.
> >
> It looks like that Mircosoft has defined a large number of synthetic
> registers in their Hyper-v spec, so ultimately KVM should virtualize
> most of these registers, so as to support the Mircosoft Enlightment,
> right?
> 
> -Jidong

Yes, but you don't have to support all the Hyper-V features at once. 
Hypervisor declares supported feature by specifying appropriate flags
in Feature identification (0x40000003) and Implementation
recommendations (0x40000004)CPUID leaves.

Best regards,
Vadim.

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