Commit d40bfcbb authored by David Hildenbrand's avatar David Hildenbrand Committed by David Gibson
Browse files

cpus: Properly release the iothread lock when killing a dummy VCPU 



This enables CPU unplug under qtest.

Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: default avatarGreg Kurz <groug@kaod.org>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Reviewed-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20190218092202.26683-2-david@redhat.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 27461d69

cpus.c

+1 −0
Original line number Diff line number Diff line
@@ -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