From d2e6ee3ecb76464e7146c1b4774383fee4b48146 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh=20=28Schneider=20Electric=29?= Date: Mon, 3 Aug 2026 12:04:34 +0200 Subject: [PATCH] hrtimer: Add a lockdep assertion to hrtimer_update_base() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document and verify that the hrtimer_cpu_base::lock is held at this point. Signed-off-by: Thomas Weißschuh (Schneider Electric) Signed-off-by: Thomas Gleixner Link: https://patch.msgid.link/20260803-auxclock-nanosleep-prep-v2-3-910cbd485390@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 540561d35c39..530d61257b9a 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;