From f5264d5d5a0729306cc792d84432b97785d2662a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Jul 2014 21:04:14 +0000 Subject: [PATCH] timekeeping: Use ktime_t based data for ktime_get_real() Speed up the readout. Signed-off-by: Thomas Gleixner Signed-off-by: John Stultz --- include/linux/timekeeping.h | 9 ++++++++- kernel/time/timekeeping.c | 15 --------------- 2 files changed, 8 insertions(+), 16 deletions(-) diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index a58e4b1879db..68e6678a743b 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -108,11 +108,18 @@ enum tk_offsets { extern ktime_t ktime_get(void); extern ktime_t ktime_get_with_offset(enum tk_offsets offs); -extern ktime_t ktime_get_real(void); extern ktime_t ktime_get_boottime(void); extern ktime_t ktime_get_monotonic_offset(void); extern ktime_t ktime_get_clocktai(void); +/** + * ktime_get_real - get the real (wall-) time in ktime_t format + */ +static inline ktime_t ktime_get_real(void) +{ + return ktime_get_with_offset(TK_OFFS_REAL); +} + /* * RTC specific */ diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 7c5f5e4a006c..56db2e16970a 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -773,21 +773,6 @@ int timekeeping_notify(struct clocksource *clock) return tk->clock == clock ? 0 : -1; } -/** - * ktime_get_real - get the real (wall-) time in ktime_t format - * - * returns the time in ktime_t format - */ -ktime_t ktime_get_real(void) -{ - struct timespec64 now; - - getnstimeofday64(&now); - - return timespec64_to_ktime(now); -} -EXPORT_SYMBOL_GPL(ktime_get_real); - /** * getrawmonotonic - Returns the raw monotonic time in a timespec * @ts: pointer to the timespec to be set -- 2.20.1