diff -Nupr src.orig/kernel/timer.c src/kernel/timer.c

--- src.orig/kernel/timer.c	2017-09-22 15:27:21.600055769 -0400

+++ src/kernel/timer.c	2017-09-22 15:27:54.288191131 -0400

@@ -1390,6 +1390,9 @@ static void run_timer_softirq(struct sof

 {

 	struct tvec_base *base = __this_cpu_read(tvec_bases);

+	if (!base)

+		printk("kpatch-test: testing __tracepoints section changes\n");

+

 	if (time_after_eq(jiffies, base->timer_jiffies))

 		__run_timers(base);

 }