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Paging Security in Xen

March 3, 2011

When Pagetables are setup in Xen, it marks as a Read only for Guest Domain. This is ensure security between domains i.e One domain should not modify pages of other.
So how domain performs write operation on pages ?
Answer: Hypercall.
Hyper-call is the communication channel between domains and Xen. This ensures security between domains.

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From → Xen

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