[patch 04/48] sched: Avoid ktime_get() indirection

[Thomas Gleixner]

The clock of the hrtick and deadline timers is known to be CLOCK_MONOTONIC.
No point in looking it up via hrtimer_cb_get_time().

Just use ktime_get() directly.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxx>
---
 kernel/sched/core.c     |    3 +--
 kernel/sched/deadline.c |    2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -925,7 +925,6 @@ static void __hrtick_start(void *arg)
  */
 void hrtick_start(struct rq *rq, u64 delay)
 {
-	struct hrtimer *timer = &rq->hrtick_timer;
 	s64 delta;
 
 	/*
@@ -933,7 +932,7 @@ void hrtick_start(struct rq *rq, u64 del
 	 * doesn't make sense and can cause timer DoS.
 	 */
 	delta = max_t(s64, delay, 10000LL);
-	rq->hrtick_time = ktime_add_ns(hrtimer_cb_get_time(timer), delta);
+	rq->hrtick_time = ktime_add_ns(ktime_get(), delta);
 
 	if (rq == this_rq())
 		__hrtick_restart(rq);
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1097,7 +1097,7 @@ static int start_dl_timer(struct sched_d
 		act = ns_to_ktime(dl_next_period(dl_se));
 	}
 
-	now = hrtimer_cb_get_time(timer);
+	now = ktime_get();
 	delta = ktime_to_ns(now) - rq_clock(rq);
 	act = ktime_add_ns(act, delta);