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-rw-r--r--cpus.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/cpus.c b/cpus.c
index 154daf57dc..e83f72b48b 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1333,6 +1333,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
         qemu_wait_io_event(cpu);
     } while (!cpu->unplug);
 
+    qemu_mutex_unlock_iothread();
     rcu_unregister_thread();
     return NULL;
 #endif