On Wed, Feb 20, 2008 at 12:11:57AM +0100, Nick Piggin wrote:
The last version was posted here:
http://marc.info/?l=kvm-devel&m=120321732521533&w=2
This can be done lazily by the driver yes. The place where I've an
invalidate_pages in mprotect however can also become less permissive.
It's simpler to invalidate always and it's not guaranteed the
secondary mmu page fault is capable of refreshing the spte across a
writeprotect fault. In the future this can be changed to
mprotect_pages though, so no page fault will happen in the secondary
mmu.
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