Commit ffa0519b authored May 19, 2025 by Thomas Gleixner

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

parent 22c62b9a

kernel/time/timekeeping.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -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

kernel/time/timekeeping_internal.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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 */