[S390] ftrace: add function graph tracer support

[linux-block.git] / arch / s390 / kernel / time.c

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index ad9a999aaa924bbb74f218d5d0690cfe8d186c07..215330a2c128dfce1bb341fed1bd138ef089c918 100644 (file)
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -70,7 +70,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
 /*
  * Scheduler clock - returns current time in nanosec units.
  */
-unsigned long long sched_clock(void)
+unsigned long long notrace sched_clock(void)
 {
        return ((get_clock_xt() - sched_clock_base_cc) * 125) >> 9;
 }