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

Jason Wang
2013-07-24T04:37:15Z

On 07/23/2013 10:48 PM, H. Peter Anvin wrote:
> On 07/23/2013 06:55 AM, KY Srinivasan wrote:
>> This strategy of hypervisor detection based on some detection order IMHO is not
>> a robust detection strategy. The current scheme works since the only hypervisor emulated
>> (by other hypervisors happens to be Hyper-V). What if this were to change.
>>
> One strategy would be to pick the *last* one in the CPUID list, since
> the ones before it are logically the one(s) being emulated...
>
> -hpa
>

How about simply does a reverse loop from 0x40010000 to 0x40010000?