Re: [PATCH 4/4] x86: properly handle kvm emulation of hyperv

From: Jason Wang
Date: Thu Jul 25 2013 - 04:13:36 EST

On 07/25/2013 03:59 PM, Paolo Bonzini wrote:
> Il 24/07/2013 23:37, H. Peter Anvin ha scritto:
>> What I'm suggesting is exactly that except that the native hypervisor is later in CPUID space.
> Me too actually.
> I was just suggesting an implementation of the idea (that takes into
> account hypervisors detected by other means than CPUID).
> Paolo

This make sense, will send V2.

>> KY Srinivasan <kys@xxxxxxxxxxxxx> wrote:
>>> As Paolo suggested if there were some priority encoded, the guest could make an
>>> informed decision. If the guest under question can run on both hypervisors A and B,
>>> we would rather the guest discover hypervisor A when running on A and
>>> hypervisor B when running on B. The priority encoding could be as simple as
>>> surfacing the native hypervisor signature earlier in the CPUID space.

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