Re: [Xen-devel] KVM PV

[Wanpeng Li <kernellwp@xxxxxxxxx>]

2017-10-03 3:11 GMT+08:00 Nadav Amit <nadav.amit@xxxxxxxxx>:
> Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
>> On 02/10/2017 12:36, George Dunlap wrote:
>>>>> Although I'm not business man, I don't think the top cloud provider[s]
>>>>> would allow nested virtualization, however mature nested virtualization
>>>>> is. Even xen-pv is unable to be nested in the aws and azure.
>>>>
>>>> Check the contributors to KVM nested virtualization, you might be 
>>>> surprised.
>>>>
>>>> Nested Xen PV is not possible because the Xen hypervisor cannot run as a 
>>>> PV guest.>> It's a technical limitation.
>>>
>>> Minor correction: Xen can't run on AWS as a PV guest, but it can run
>>> as an L1 hypervisor inside any "fully virtualized" VM (as both AWS and
>>> Azure provide), and provide PV L2 guests.
>>
>> Yes, that's what I meant.
>>
>> Thanks George!
>
> BTW: If anyone missed, Google already announced that they started supporting
> nested virtualization.
>
> https://cloudplatform.googleblog.com/2017/09/introducing-nested-virtualization-for.html

Awesome!

Regards,
Wanpeng Li

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