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SubjectRe: [Xen-devel] KVM PV
2017-10-03 3:11 GMT+08:00 Nadav Amit <>:
> Paolo Bonzini <> 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.


Wanpeng Li

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