[PATCH v2 1/7] timekeeping: introduce __current_kernel_time64
Stefano Stabellini
stefano.stabellini at eu.citrix.com
Tue Nov 10 03:57:49 PST 2015
__current_kernel_time64 returns a struct timespec64, without taking the
xtime lock. Mirrors __current_kernel_time/current_kernel_time.
Signed-off-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>
CC: arnd at arndb.de
CC: john.stultz at linaro.org
CC: tglx at linutronix.de
CC: mingo at kernel.org
CC: peterz at infradead.org
---
include/linux/timekeeping.h | 3 ++-
kernel/time/timekeeping.c | 7 +++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index ec89d84..b5802bf 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -19,7 +19,8 @@ extern int do_sys_settimeofday(const struct timespec *tv,
*/
unsigned long get_seconds(void);
struct timespec64 current_kernel_time64(void);
-/* does not take xtime_lock */
+/* do not take xtime_lock */
+struct timespec64 __current_kernel_time64(void);
struct timespec __current_kernel_time(void);
static inline struct timespec current_kernel_time(void)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index b1356b7..c1221c2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1881,6 +1881,13 @@ struct timespec __current_kernel_time(void)
return timespec64_to_timespec(tk_xtime(tk));
}
+struct timespec64 __current_kernel_time64(void)
+{
+ struct timekeeper *tk = &tk_core.timekeeper;
+
+ return tk_xtime(tk);
+}
+
struct timespec64 current_kernel_time64(void)
{
struct timekeeper *tk = &tk_core.timekeeper;
--
1.7.10.4
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