And, for Our Next Trick…
As always, there are some areas of ongoing work. Both Intel and AMD have announced successor techniques for dealing with guest page tables by adding a new level to the page table structure. AMD terms the concept nested paging, while Intel calls it Extended Page Tables. IOMMU development is another exciting area of research.
HVM is nice in general, but of course all of this is a prelude to Chapter 13, where we'll apply all of this stuff to getting a virtual Windows machine up and running in HVM mode. Stay tuned!
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