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[Xen-devel] how does nested xen translate memory address?

To: "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
From: quizyjones <quizy_jones@xxxxxxxxxxx>
Date: Wed, 9 Dec 2015 14:24:25 +0000
Delivery-date: Wed, 09 Dec 2015 14:24:47 +0000
Importance: Normal
List-id: Xen developer discussion <xen-devel.lists.xen.org>

Which routine xen uses when translate nested xen address ? The first one or the 
second?
1. nested vm -->EPT1 of L1 xen --> EPT0 of L0 xen --> machine address
2. nested vm --> EPT1 of L1 xen --> machine address
Does the nested vm directly translate its virtual address by vEPT or through 
two EPT translations?                                        
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