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[PATCH 5/9] sched/clock: Remove unused argument to sched_clock_idle_wakeup_event()

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  [PATCH 5/9] sched/clock: Remove unused argument to sched_clock_idle_wakeup_event() Peter Zijlstra <peterz@infradead.org> - 2017-04-21 19:50 +0200

#1628399 — [PATCH 5/9] sched/clock: Remove unused argument to sched_clock_idle_wakeup_event()

The argument to sched_clock_idle_wakeup_event() has not been used in a
long time. Remove it.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
 arch/x86/kernel/tsc.c       |    2 +-
 include/linux/sched/clock.h |    4 ++--
 kernel/sched/clock.c        |    4 ++--
 kernel/time/tick-sched.c    |    2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -284,7 +284,7 @@ static void set_cyc2ns_scale(unsigned lo
 	cyc2ns_write_end(cpu, data);
 
 done:
-	sched_clock_idle_wakeup_event(0);
+	sched_clock_idle_wakeup_event();
 	local_irq_restore(flags);
 }
 /*
--- a/include/linux/sched/clock.h
+++ b/include/linux/sched/clock.h
@@ -39,7 +39,7 @@ static inline void sched_clock_idle_slee
 {
 }
 
-static inline void sched_clock_idle_wakeup_event(u64 delta_ns)
+static inline void sched_clock_idle_wakeup_event(void)
 {
 }
 
@@ -66,7 +66,7 @@ extern u64 __sched_clock_offset;
 extern void sched_clock_tick(void);
 extern void sched_clock_tick_stable(void);
 extern void sched_clock_idle_sleep_event(void);
-extern void sched_clock_idle_wakeup_event(u64 delta_ns);
+extern void sched_clock_idle_wakeup_event(void);
 
 /*
  * As outlined in clock.c, provides a fast, high resolution, nanosecond
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -410,9 +410,9 @@ void sched_clock_idle_sleep_event(void)
 EXPORT_SYMBOL_GPL(sched_clock_idle_sleep_event);
 
 /*
- * We just idled delta nanoseconds (called with irqs disabled):
+ * We just idled; resync with ktime. (called with irqs disabled):
  */
-void sched_clock_idle_wakeup_event(u64 delta_ns)
+void sched_clock_idle_wakeup_event(void)
 {
 	if (timekeeping_suspended)
 		return;
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -573,7 +573,7 @@ static void tick_nohz_stop_idle(struct t
 	update_ts_time_stats(smp_processor_id(), ts, now, NULL);
 	ts->idle_active = 0;
 
-	sched_clock_idle_wakeup_event(0);
+	sched_clock_idle_wakeup_event();
 }
 
 static ktime_t tick_nohz_start_idle(struct tick_sched *ts)

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