Index: /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp
===================================================================
--- /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp	(revision 87841)
+++ /trunk/src/VBox/Devices/Bus/DevIommuAmd.cpp	(revision 87842)
@@ -6525,7 +6525,6 @@
     }
 
-    /** @todo Kick the command thread, anything else to do on restore? */
-
-    return VERR_NOT_IMPLEMENTED;
+    iommuAmdCmdThreadWakeUpIfNeeded(pDevIns);
+    return VINF_SUCCESS;
 }