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

Paolo Bonzini
2013-07-25T07:59:13Z

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

> KY Srinivasan <kys@microsoft.com> 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.