Hi all,

  If guest modify its guest page table entry, KVM should trap that event,
emulate what guest trying to do, and sync with the corresponding shadow
page table entry. Is my understanding correct? If so, does KVM use
something like mprotect to make guest page table read-only, or there is
another way? Besides, how KVM know what guest try to write into the
guest page table entry?

Regards,
chenwj

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
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