diff -Nupr src.orig/kernel/sys.c src/kernel/sys.c
--- src.orig/kernel/sys.c	2017-09-22 15:27:21.601055773 -0400
+++ src/kernel/sys.c	2017-09-22 15:27:32.170099540 -0400
@@ -554,8 +554,15 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
 	return ret;
 }
 
+void kpatch_bar(void)
+{
+	if (!jiffies)
+		printk("kpatch_foo\n");
+}
+
 static void deferred_cad(struct work_struct *dummy)
 {
+	kpatch_bar();
 	kernel_restart(NULL);
 }