XXXX pass in cpu_pause_func via pause_cpus

@@ -198,11 +198,11 @@
         }
 
         if (ncpus > 1)
                 intr_redist_all_cpus_shutdown();
 
-        pause_cpus(NULL);
+        pause_cpus(NULL, NULL);
         cpu_are_paused = 1;
 
         mutex_exit(&cpu_lock);
 }