Commit-ID: d08c0cdd26d48751c15aa2b4479a410594fee9ac
Gitweb: http://git.kernel.org/tip/d08c0cdd26d48751c15aa2b4479a410594fee9ac
Author: John Stultz <john.stultz@xxxxxxxxxx>
AuthorDate: Mon, 8 Dec 2014 12:00:09 -0800
Committer: John Stultz <john.stultz@xxxxxxxxxx>
CommitDate: Fri, 23 Jan 2015 17:21:54 -0800
time: Expose getboottime64 for in-kernel uses
Adds a timespec64 based getboottime64() implementation
that can be used as we convert internal users of
getboottime away from using timespecs.
Cc: pang.xunlei <pang.xunlei@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd.bergmann@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
include/linux/timekeeping.h | 16 ++++++++++++++--
kernel/time/timekeeping.c | 12 ++++++------
2 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 9b63d13..9148013 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -33,6 +33,7 @@ extern time64_t ktime_get_real_seconds(void);
extern int __getnstimeofday64(struct timespec64 *tv);
extern void getnstimeofday64(struct timespec64 *tv);
+extern void getboottime64(struct timespec64 *ts);
#if BITS_PER_LONG == 64
/**
@@ -72,6 +73,11 @@ static inline struct timespec get_monotonic_coarse(void)
{
return get_monotonic_coarse64();
}
+
+static inline void getboottime(struct timespec *ts)
+{
+ return getboottime64(ts);
+}
#else
/**
* Deprecated. Use do_settimeofday64().
@@ -129,9 +135,15 @@ static inline struct timespec get_monotonic_coarse(void)
{
return timespec64_to_timespec(get_monotonic_coarse64());
}
-#endif
-extern void getboottime(struct timespec *ts);
+static inline void getboottime(struct timespec *ts)
+{
+ struct timespec64 ts64;
+
+ getboottime64(&ts64);
+ *ts = timespec64_to_timespec(ts64);
+}
+#endif
#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
#define ktime_get_real_ts64(ts) getnstimeofday64(ts)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 6a93185..b124af2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1659,24 +1659,24 @@ out:
}
/**
- * getboottime - Return the real time of system boot.
- * @ts: pointer to the timespec to be set
+ * getboottime64 - Return the real time of system boot.
+ * @ts: pointer to the timespec64 to be set
*
- * Returns the wall-time of boot in a timespec.
+ * Returns the wall-time of boot in a timespec64.
*
* This is based on the wall_to_monotonic offset and the total suspend
* time. Calls to settimeofday will affect the value returned (which
* basically means that however wrong your real time clock is at boot time,
* you get the right time here).
*/
-void getboottime(struct timespec *ts)
+void getboottime64(struct timespec64 *ts)
{
struct timekeeper *tk = &tk_core.timekeeper;
ktime_t t = ktime_sub(tk->offs_real, tk->offs_boot);
- *ts = ktime_to_timespec(t);
+ *ts = ktime_to_timespec64(t);
}
-EXPORT_SYMBOL_GPL(getboottime);
+EXPORT_SYMBOL_GPL(getboottime64);
unsigned long get_seconds(void)
{
--
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