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-rw-r--r--kernel/time/hrtimer.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index dab1ea1a99d0..0ace301a56f4 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1107,9 +1107,13 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
/*
* Check whether the HRTIMER_MODE_SOFT bit and hrtimer.is_soft
- * match.
+ * match on CONFIG_PREEMPT_RT = n. With PREEMPT_RT check the hard
+ * expiry mode because unmarked timers are moved to softirq expiry.
*/
- WARN_ON_ONCE(!(mode & HRTIMER_MODE_SOFT) ^ !timer->is_soft);
+ if (!IS_ENABLED(CONFIG_PREEMPT_RT))
+ WARN_ON_ONCE(!(mode & HRTIMER_MODE_SOFT) ^ !timer->is_soft);
+ else
+ WARN_ON_ONCE(!(mode & HRTIMER_MODE_HARD) ^ !timer->is_hard);
base = lock_hrtimer_base(timer, &flags);
@@ -1288,6 +1292,7 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
base += hrtimer_clockid_to_base(clock_id);
timer->is_soft = softtimer;
+ timer->is_hard = !softtimer;
timer->base = &cpu_base->clock_base[base];
timerqueue_init(&timer->node);
}