[PATCH 03/16] hrtimer: Add a lockdep assertion to hrtimer_update_base()

[Schneider Electric]

Document and verify that the base's lock is held at this point.

Signed-off-by: Thomas Weißschuh (Schneider Electric) 
<thomas.weisssc...@linutronix.de>
---
 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