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hrtimer: Factor out __hrtimer_next_event_base() 

Preparatory patch for softirq based hrtimers to avoid code duplication.

No functional change.

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: keescook@chromium.org
Link: http://lkml.kernel.org/r/20171221104205.7269-25-anna-maria@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Anna-Maria Gleixner 2017-12-21 11:41:53 +01:00 committed by Ingo Molnar
parent 138a6b7ae4
commit ad38f596d8
1 changed files with 16 additions and 4 deletions
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20
kernel/time/hrtimer.c
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@ -458,13 +458,13 @@ __next_base(struct hrtimer_cpu_base *cpu_base, unsigned int *active)
#define for_each_active_base(base, cpu_base, active) \
while ((base = __next_base((cpu_base), &(active))))
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)
{
struct hrtimer_clock_base *base;
unsigned int active = cpu_base->active_bases;
ktime_t expires, expires_next = KTIME_MAX;
ktime_t expires;
cpu_base->next_timer = NULL;
for_each_active_base(base, cpu_base, active) {
struct timerqueue_node *next;
struct hrtimer *timer;
@ -487,6 +487,18 @@ static ktime_t __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base)
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;
cpu_base->next_timer = NULL;
expires_next = __hrtimer_next_event_base(cpu_base, active, expires_next);
return expires_next;
}
static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base)
{
ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset;