@@ -1164,6 +1164,18 @@ void migrate_fd_connect(MigrationState *s)
/* Notify before starting migration thread */
notifier_list_notify(&migration_state_notifiers, s);
+ /* Open the return path; currently for postcopy but other things might
+ * also want it.
+ */
+ if (migrate_postcopy_ram()) {
+ if (open_outgoing_return_path(s)) {
+ error_report("Unable to open return-path for postcopy");
+ migrate_set_state(s, MIG_STATE_SETUP, MIG_STATE_ERROR);
+ migrate_fd_cleanup(s);
+ return;
+ }
+ }
+
qemu_thread_create(&s->thread, "migration", migration_thread, s,
QEMU_THREAD_JOINABLE);
}