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Subject[PATCH 07/12] time: Expose getrawmonotonic64 for in-kernel uses
Date
Adds a timespec64 based getrawmonotonic64() implementation
that can be used as we convert internal users of
getrawmonotonic away from using timespecs.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnd Bergmann <arnd.bergmann@linaro.org>
Cc: pang.xunlei <pang.xunlei@linaro.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
include/linux/timekeeping.h | 15 ++++++++++++++-
kernel/time/timekeeping.c | 11 ++++++-----
2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 6d76c65..e40a8d6 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -26,7 +26,7 @@ struct timespec __current_kernel_time(void);
* timespec based interfaces
*/
struct timespec get_monotonic_coarse(void);
-extern void getrawmonotonic(struct timespec *ts);
+extern void getrawmonotonic64(struct timespec64 *ts);
extern void ktime_get_ts64(struct timespec64 *ts);

extern int __getnstimeofday64(struct timespec64 *tv);
@@ -61,6 +61,11 @@ static inline void ktime_get_real_ts(struct timespec *ts)
getnstimeofday64(ts);
}

+static inline void getrawmonotonic(struct timespec *ts)
+{
+ getrawmonotonic64(ts);
+}
+
#else
/**
* Deprecated. Use do_settimeofday64().
@@ -105,6 +110,14 @@ static inline void ktime_get_real_ts(struct timespec *ts)
getnstimeofday64(&ts64);
*ts = timespec64_to_timespec(ts64);
}
+
+static inline void getrawmonotonic(struct timespec *ts)
+{
+ struct timespec64 ts64;
+
+ getrawmonotonic64(&ts64);
+ *ts = timespec64_to_timespec(ts64);
+}
#endif

extern void getboottime(struct timespec *ts);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d37f775..b329586 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -894,12 +894,12 @@ int timekeeping_notify(struct clocksource *clock)
}

/**
- * getrawmonotonic - Returns the raw monotonic time in a timespec
- * @ts: pointer to the timespec to be set
+ * getrawmonotonic64 - Returns the raw monotonic time in a timespec
+ * @ts: pointer to the timespec64 to be set
*
* Returns the raw monotonic time (completely un-modified by ntp)
*/
-void getrawmonotonic(struct timespec *ts)
+void getrawmonotonic64(struct timespec64 *ts)
{
struct timekeeper *tk = &tk_core.timekeeper;
struct timespec64 ts64;
@@ -914,9 +914,10 @@ void getrawmonotonic(struct timespec *ts)
} while (read_seqcount_retry(&tk_core.seq, seq));

timespec64_add_ns(&ts64, nsecs);
- *ts = timespec64_to_timespec(ts64);
+ *ts = ts64;
}
-EXPORT_SYMBOL(getrawmonotonic);
+EXPORT_SYMBOL(getrawmonotonic64);
+

/**
* timekeeping_valid_for_hres - Check if timekeeping is suitable for hres
--
1.9.1


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