Marcelo Tosatti wrote:
Why can't you use the writable bit in the spte? So that you can only sync a writeable spte if it was writeable before, in sync_page?
I could, but there we will add overhead for read only gptes that become writable in the guest... If you prefer to fault on the syncing of the guest gpte readonly to gpte writeable I can change it...
What you prefer?
Is there any other need for the extra bit?
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