lkml.org 
[lkml]   [2017]   [Aug]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 14/25] hrtimer: Split out code from __hrtimer_get_next_event() for reuse
From: Anna-Maria Gleixner <anna-maria@linutronix.de>

Preparatory patch for softirq based hrtimers. No functional change.

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
---
kernel/time/hrtimer.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)

--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -454,12 +454,12 @@ static inline void hrtimer_update_next_t
}

#if defined(CONFIG_NO_HZ_COMMON) || defined(CONFIG_HIGH_RES_TIMERS)
-static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
+static ktime_t __hrtimer_next_event_base(struct hrtimer_cpu_base *cpu_base,
+ unsigned int active,
+ ktime_t expires_next)
{
- unsigned int active = cpu_base->active_bases;
- ktime_t expires, expires_next = KTIME_MAX;
+ ktime_t expires;

- hrtimer_update_next_timer(cpu_base, NULL);
while (active) {
unsigned int id = __ffs(active);
struct hrtimer_clock_base *base;
@@ -486,6 +486,18 @@ static ktime_t __hrtimer_get_next_event(
expires_next = 0;
return expires_next;
}
+
+static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
+{
+ unsigned int active = cpu_base->active_bases;
+ ktime_t expires_next = KTIME_MAX;
+
+ hrtimer_update_next_timer(cpu_base, NULL);
+
+ expires_next = __hrtimer_next_event_base(cpu_base, active, expires_next);
+
+ return expires_next;
+}
#endif

static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base)

\
 
 \ /
  Last update: 2017-08-31 14:29    [W:0.238 / U:7.536 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site