Paolo Bonzini writes:
> On 21/12/2017 13:50, Vitaly Kuznetsov wrote:
>> I'm back with (somewhat frustrating) results (E5-2603):
>
> v4 (that would be Broadwell)?
>
Sorry, v3, actually. Haswell. (the first one supporting vmcs shadowing afaiu).
>> 1) Windows on Hyper-V (no
On 21/12/2017 13:50, Vitaly Kuznetsov wrote:
> I'm back with (somewhat frustrating) results (E5-2603):
v4 (that would be Broadwell)?
> 1) Windows on Hyper-V (no nesting): 1350 cycles
>
> 2) Windows on Hyper-V on Hyper-V: 8600
>
> 3) Windows on KVM (no nesting): 1150 cycles
>
> 4) Windows on
Vitaly Kuznetsov writes:
> Paolo Bonzini writes:
>
>> On 18/12/2017 18:17, Vitaly Kuznetsov wrote:
>>> The original author of these patches does no longer work at Red Hat, I
>>> agreed to take this over and send upstream. Here is his original
>>>
Paolo Bonzini writes:
> On 18/12/2017 18:17, Vitaly Kuznetsov wrote:
>> The original author of these patches does no longer work at Red Hat, I
>> agreed to take this over and send upstream. Here is his original
>> description:
>>
>> "Makes KVM implement the enlightened VMCS
On 18/12/2017 18:17, Vitaly Kuznetsov wrote:
> The original author of these patches does no longer work at Red Hat, I
> agreed to take this over and send upstream. Here is his original
> description:
>
> "Makes KVM implement the enlightened VMCS feature per Hyper-V TLFS 5.0b.
> I've measured
The original author of these patches does no longer work at Red Hat, I
agreed to take this over and send upstream. Here is his original
description:
"Makes KVM implement the enlightened VMCS feature per Hyper-V TLFS 5.0b.
I've measured about %5 improvement in cost of a nested VM exit (Hyper-V