[patch 17/55] timekeeping: Use ktime_t based data for ktime_get_real()

[Thomas Gleixner]

Speed up the readout.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/timekeeping.h |    9 ++++++++-
 kernel/time/timekeeping.c   |   15 ---------------
 2 files changed, 8 insertions(+), 16 deletions(-)

Index: tip/include/linux/timekeeping.h
===================================================================
--- tip.orig/include/linux/timekeeping.h
+++ tip/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
  */
Index: tip/kernel/time/timekeeping.c
===================================================================
--- tip.orig/kernel/time/timekeeping.c
+++ tip/kernel/time/timekeeping.c
@@ -773,21 +773,6 @@ int timekeeping_notify(struct clocksourc
 }
 
 /**
- * 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
  *


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