diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-05-19 10:33:30 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-06-19 14:28:23 +0200 |
| commit | ffa0519baaed48ca953bd201e1b17f15dae21b2d (patch) | |
| tree | e3984a9fd440f587a22f8f3e56577f87367fd8e4 | |
| parent | 22c62b9a84b8f16ca0277e133a0cd62a259fee7c (diff) | |
timekeeping: Provide ktime_get_ntp_seconds()
ntp_adjtimex() requires access to the actual time keeper per timekeeper
ID. Provide an interface.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250519083026.411809421@linutronix.de
| -rw-r--r-- | kernel/time/timekeeping.c | 9 | ||||
| -rw-r--r-- | kernel/time/timekeeping_internal.h | 3 |
2 files changed, 12 insertions, 0 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 19f4af1a37ea..7d3693a72a01 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -2627,6 +2627,15 @@ int do_adjtimex(struct __kernel_timex *txc) return ret; } +/* + * Invoked from NTP with the time keeper lock held, so lockless access is + * fine. + */ +long ktime_get_ntp_seconds(unsigned int id) +{ + return timekeeper_data[id].timekeeper.xtime_sec; +} + #ifdef CONFIG_NTP_PPS /** * hardpps() - Accessor function to NTP __hardpps function diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h index 8c9079108ffb..973ede670a36 100644 --- a/kernel/time/timekeeping_internal.h +++ b/kernel/time/timekeeping_internal.h @@ -45,4 +45,7 @@ static inline u64 clocksource_delta(u64 now, u64 last, u64 mask, u64 max_delta) unsigned long timekeeper_lock_irqsave(void); void timekeeper_unlock_irqrestore(unsigned long flags); +/* NTP specific interface to access the current seconds value */ +long ktime_get_ntp_seconds(unsigned int id); + #endif /* _TIMEKEEPING_INTERNAL_H */ |