sched clock: simplify __update_sched_clock()
- return the current clock instead of letting callers
fetch it from scd->clock
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Mike Galbraith <efault@gmx.de>
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 4b8474c..857a129 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -97,7 +97,7 @@
* - filter out backward motion
* - use jiffies to generate a min,max window to clip the raw values
*/
-static void __update_sched_clock(struct sched_clock_data *scd, u64 now)
+static u64 __update_sched_clock(struct sched_clock_data *scd, u64 now)
{
unsigned long now_jiffies = jiffies;
long delta_jiffies = now_jiffies - scd->tick_jiffies;
@@ -130,6 +130,8 @@
scd->tick_jiffies = now_jiffies;
scd->clock = clock;
+
+ return clock;
}
static void lock_double_clock(struct sched_clock_data *data1,
@@ -174,8 +176,7 @@
__raw_spin_lock(&scd->lock);
}
- __update_sched_clock(scd, now);
- clock = scd->clock;
+ clock = __update_sched_clock(scd, now);
__raw_spin_unlock(&scd->lock);