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

To: Tim Deegan <Tim.Deegan@xxxxxxxxxx>, Christoph Egger <Christoph.Egger@xxxxxxx>
Subject: RE: [Xen-devel] RFC: Nested VMX patch series 00
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Thu, 2 Jun 2011 07:28:45 +0800
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Thread-topic: [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
>(again).

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

Thx, Eddie

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