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sched: Use hrtimer_highres_enabled()

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Use the static branch based variant and thereby avoid following three
pointers.

Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260224163429.203610956@kernel.org
This commit is contained in:
Thomas Gleixner
2026-02-24 17:35:47 +01:00
committed by Peter Zijlstra
parent 0a93d30861
commit c3a92213eb
2 changed files with 9 additions and 34 deletions
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6
include/linux/hrtimer.h
View File

@@ -146,12 +146,6 @@ static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer)
return ktime_sub(timer->node.expires, hrtimer_cb_get_time(timer));
}
static inline int hrtimer_is_hres_active(struct hrtimer *timer)
{
return IS_ENABLED(CONFIG_HIGH_RES_TIMERS) ?
timer->base->cpu_base->hres_active : 0;
}
#ifdef CONFIG_HIGH_RES_TIMERS
extern unsigned int hrtimer_resolution;
struct clock_event_device;

37
kernel/sched/sched.h
View File

@@ -3019,25 +3019,19 @@ extern unsigned int sysctl_numa_balancing_hot_threshold;
* - enabled by features
* - hrtimer is actually high res
*/
static inline int hrtick_enabled(struct rq *rq)
static inline bool hrtick_enabled(struct rq *rq)
{
if (!cpu_active(cpu_of(rq)))
return 0;
return hrtimer_is_hres_active(&rq->hrtick_timer);
return cpu_active(cpu_of(rq)) && hrtimer_highres_enabled();
}
static inline int hrtick_enabled_fair(struct rq *rq)
static inline bool hrtick_enabled_fair(struct rq *rq)
{
if (!sched_feat(HRTICK))
return 0;
return hrtick_enabled(rq);
return sched_feat(HRTICK) && hrtick_enabled(rq);
}
static inline int hrtick_enabled_dl(struct rq *rq)
static inline bool hrtick_enabled_dl(struct rq *rq)
{
if (!sched_feat(HRTICK_DL))
return 0;
return hrtick_enabled(rq);
return sched_feat(HRTICK_DL) && hrtick_enabled(rq);
}
extern void hrtick_start(struct rq *rq, u64 delay);
@@ -3047,22 +3041,9 @@ static inline bool hrtick_active(struct rq *rq)
}
#else /* !CONFIG_SCHED_HRTICK: */
static inline int hrtick_enabled_fair(struct rq *rq)
{
return 0;
}
static inline int hrtick_enabled_dl(struct rq *rq)
{
return 0;
}
static inline int hrtick_enabled(struct rq *rq)
{
return 0;
}
static inline bool hrtick_enabled_fair(struct rq *rq) { return false; }
static inline bool hrtick_enabled_dl(struct rq *rq) { return false; }
static inline bool hrtick_enabled(struct rq *rq) { return false; }
#endif /* !CONFIG_SCHED_HRTICK */
#ifndef arch_scale_freq_tick