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-rw-r--r--migration/savevm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 5c4fdfd95e..ce158c3512 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -3514,12 +3514,14 @@ void vmstate_register_ram(MemoryRegion *mr, DeviceState *dev)
     qemu_ram_set_idstr(mr->ram_block,
                        memory_region_name(mr), dev);
     qemu_ram_set_migratable(mr->ram_block);
+    ram_block_add_cpr_blocker(mr->ram_block, &error_fatal);
 }
 
 void vmstate_unregister_ram(MemoryRegion *mr, DeviceState *dev)
 {
     qemu_ram_unset_idstr(mr->ram_block);
     qemu_ram_unset_migratable(mr->ram_block);
+    ram_block_del_cpr_blocker(mr->ram_block);
 }
 
 void vmstate_register_ram_global(MemoryRegion *mr)