hw: apply accel compat properties without touching globals

Instead of registering compat properties as globals, let's keep them
in their own array, to avoid mixing with user globals.

Introduce object_apply_global_props() function, to apply compatibility
properties from a GPtrArray.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 6b3cc55b27..53b507164f 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -972,6 +972,15 @@ static void device_initfn(Object *obj)
 
 static void device_post_init(Object *obj)
 {
+    if (object_dynamic_cast(qdev_get_machine(), TYPE_MACHINE)) {
+        MachineState *m = MACHINE(qdev_get_machine());
+        AccelClass *ac = ACCEL_GET_CLASS(m->accelerator);
+
+        if (ac->compat_props) {
+            object_apply_global_props(obj, ac->compat_props, &error_abort);
+        }
+    }
+
     qdev_prop_set_globals(DEVICE(obj));
 }