[Qemu-ppc] [PULL 12/50] cpus: Properly release the iothread lock when killing a dummy VCPU

[David Gibson]

From: David Hildenbrand <address@hidden>

This enables CPU unplug under qtest.

Reviewed-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Greg Kurz <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Signed-off-by: David Hildenbrand <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 cpus.c | 1 +
 1 file changed, 1 insertion(+)

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
-- 
2.20.1