KVMDirtyLog d;
KVMSlot *mem;
int ret = 0;
+ int r;
d.dirty_bitmap = NULL;
while (start_addr < end_addr) {
break;
}
+ /* We didn't activate dirty logging? Don't care then. */
+ if(!(mem->flags & KVM_MEM_LOG_DIRTY_PAGES)) {
+ continue;
+ }
+
size = ((mem->memory_size >> TARGET_PAGE_BITS) + 7) / 8;
if (!d.dirty_bitmap) {
d.dirty_bitmap = qemu_malloc(size);
d.slot = mem->slot;
- if (kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) == -1) {
+ r = kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d);
+ if (r == -EINVAL) {
dprintf("ioctl failed %d\n", errno);
ret = -1;
break;
if ((bitmap[word] >> bit) & 1) {
cpu_physical_memory_set_dirty(addr);
+ } else if (r < 0) {
+ /* When our KVM implementation doesn't know about dirty logging
+ * we can just assume it's always dirty and be fine. */
+ cpu_physical_memory_set_dirty(addr);
}
}
start_addr = phys_addr;