On Fri, Sep 20, 2019 at 12:21:20PM +0200, Paolo Bonzini wrote: > A single ram_addr (representing a host-virtual address) could be aliased > to multiple guest physical addresses. Since the KVM dirty page reporting > works on guest physical addresses, we need to clear all of the aliases > when a page is migrated, or there is a risk of losing writes to the > aliases that were not cleared.
(CCing Igor too so Igor would be aware of these changes that might conflict with the recent memslot split work) -- Peter Xu
