On 11/12/2016 13:04, jack.chen wrote: > Hello,I want to know when the memslot->dirty_bitmap will be NULL,for I > try to test a bit in an extisted memslot bitmap,but its bitmap is > NULL,which really confused me,can anybody explain to me clearly?thanks > in advance! It's NULL until the KVM_SET_USER_MEMORY_REGION ioctl is called with the KVM_MEM_LOG_DIRTY_PAGES flag set. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html