[PATCH 03/16] hrtimer: Add a lockdep assertion to hrtimer_update_base()
From: Thomas Weißschuh (Schneider Electric)
Date: Thu Jul 30 2026 - 02:57:02 EST
Document and verify that the base's lock is held at this point.
Signed-off-by: Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@xxxxxxxxxxxxx>
---
kernel/time/hrtimer.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 01890b7a5f98..1dcd084d88f7 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -677,6 +677,8 @@ static ktime_t hrtimer_update_next_event(struct hrtimer_cpu_base *cpu_base)
static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base)
{
+ lockdep_assert_held(&base->lock);
+
ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset;
ktime_t *offs_boot = &base->clock_base[HRTIMER_BASE_BOOTTIME].offset;
ktime_t *offs_tai = &base->clock_base[HRTIMER_BASE_TAI].offset;
--
2.55.0