1 files changed, 2 insertions, 0 deletions
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index c2e387ed44..853d8b32ca 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -867,6 +867,7 @@ static void *postcopy_ram_fault_thread(void *opaque)
     RAMBlock *rb = NULL;
 
     trace_postcopy_ram_fault_thread_entry();
+    rcu_register_thread();
     mis->last_rb = NULL; /* last RAMBlock we sent part of */
     qemu_sem_post(&mis->fault_thread_sem);
 
@@ -1073,6 +1074,7 @@ retry:
             }
         }
     }
+    rcu_unregister_thread();
     trace_postcopy_ram_fault_thread_exit();
     g_free(pfd);
     return NULL;