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855149aaa9
When mmu_set_spte() checks if a page related to spte should be release as dirty or clean, it check if the shadow pte was writeble, but in case rmap_write_protect() is called called it is possible for shadow ptes that were writeble to become readonly and therefor mmu_set_spte will release the pages as clean. This patch fix this issue by marking the page as dirty inside rmap_write_protect(). Signed-off-by: Izik Eidus <izike@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>