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RE: [Xen-devel] RFC: Nested VMX patch series 00

>> I thought some code to switch forth and back between two shadow page
>> tables needs to be added at least (one to run l1 guest and one to
>> run
>> l2 guest).
>No need - as long as the n1 guest provides valid pagetables (which may
>themselves be shadows of n2 pagetables), all n0 has to do is shadow them

Yes. The reason to use shadow on shadow for now is to reduce the rebase patch 
It is already too large :(

Thx, Eddie

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