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authorThomas Weißschuh <thomas.weissschuh@linutronix.de>2026-05-04 08:56:10 +0200
committerThomas Gleixner <tglx@kernel.org>2026-05-06 08:33:09 +0200
commit3af1f49f415dcac8c0df8bfc593df0371c219876 (patch)
tree1d6d78cf18cb8057e0ed44026941c679eaf6d9b0 /kernel
parent33d4bfc49613301c8e451a597e377aaa331944bc (diff)
hrtimer: Return ktime_t from hrtimer_get_next_event()/hrtimer_next_event_without()
These functions really work in terms of ktime_t and not u64. Change their return types and adapt the callers. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@kernel.org> Link: https://patch.msgid.link/20260504-hrtimer-next_event-v2-1-7a5d0550b42f@linutronix.de
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/hrtimer.c8
-rw-r--r--kernel/time/tick-sched.c3
-rw-r--r--kernel/time/timer.c2
3 files changed, 6 insertions, 7 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 8cfc7aacece1..8a19a61f6fee 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1783,10 +1783,10 @@ EXPORT_SYMBOL_GPL(__hrtimer_get_remaining);
*
* Returns the next expiry time or KTIME_MAX if no timer is pending.
*/
-u64 hrtimer_get_next_event(void)
+ktime_t hrtimer_get_next_event(void)
{
struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
- u64 expires = KTIME_MAX;
+ ktime_t expires = KTIME_MAX;
guard(raw_spinlock_irqsave)(&cpu_base->lock);
if (!hrtimer_hres_active(cpu_base))
@@ -1802,10 +1802,10 @@ u64 hrtimer_get_next_event(void)
* Returns the next expiry time over all timers except for the @exclude one or
* KTIME_MAX if none of them is pending.
*/
-u64 hrtimer_next_event_without(const struct hrtimer *exclude)
+ktime_t hrtimer_next_event_without(const struct hrtimer *exclude)
{
struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
- u64 expires = KTIME_MAX;
+ ktime_t expires = KTIME_MAX;
unsigned int active;
guard(raw_spinlock_irqsave)(&cpu_base->lock);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index cbbb87a0c6e7..3026a301dff7 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1407,8 +1407,7 @@ ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
* If the next highres timer to expire is earlier than 'next_event', the
* idle governor needs to know that.
*/
- next_event = min_t(u64, next_event,
- hrtimer_next_event_without(&ts->sched_timer));
+ next_event = min(next_event, hrtimer_next_event_without(&ts->sched_timer));
return ktime_sub(next_event, now);
}
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 04d928c21aba..655a8c6cd84d 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1932,7 +1932,7 @@ static void timer_recalc_next_expiry(struct timer_base *base)
*/
static u64 cmp_next_hrtimer_event(u64 basem, u64 expires)
{
- u64 nextevt = hrtimer_get_next_event();
+ u64 nextevt = ktime_to_ns(hrtimer_get_next_event());
/*
* If high resolution timers are enabled