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authorBaolin Wang <baolin.wang@linaro.org>2016-04-08 09:02:12 +0300
committerJohn Stultz <john.stultz@linaro.org>2016-04-22 21:49:04 +0300
commit86d3473224b004f920c107206d181d37db735145 (patch)
tree3c3f646ec0d3947a9b3784b1b1d42bc167e9893c /include/linux/timekeeping.h
parent457db29bfcfd1d9cc717587c446a89d60499d4a9 (diff)
downloadlinux-86d3473224b004f920c107206d181d37db735145.tar.xz
time: Introduce do_sys_settimeofday64()
The do_sys_settimeofday() function uses a timespec, which is not year 2038 safe on 32bit systems. Thus this patch introduces do_sys_settimeofday64(), which allows us to transition users of do_sys_settimeofday() to using 64bit time types. Cc: Prarit Bhargava <prarit@redhat.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> [jstultz: Include errno-base.h to avoid build issue on some arches] Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'include/linux/timekeeping.h')
-rw-r--r--include/linux/timekeeping.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 96f37bee3bc1..37dbacf84849 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -1,6 +1,8 @@
#ifndef _LINUX_TIMEKEEPING_H
#define _LINUX_TIMEKEEPING_H
+#include <asm-generic/errno-base.h>
+
/* Included from linux/ktime.h */
void timekeeping_init(void);
@@ -11,8 +13,19 @@ extern int timekeeping_suspended;
*/
extern void do_gettimeofday(struct timeval *tv);
extern int do_settimeofday64(const struct timespec64 *ts);
-extern int do_sys_settimeofday(const struct timespec *tv,
- const struct timezone *tz);
+extern int do_sys_settimeofday64(const struct timespec64 *tv,
+ const struct timezone *tz);
+static inline int do_sys_settimeofday(const struct timespec *tv,
+ const struct timezone *tz)
+{
+ struct timespec64 ts64;
+
+ if (!tv)
+ return -EINVAL;
+
+ ts64 = timespec_to_timespec64(*tv);
+ return do_sys_settimeofday64(&ts64, tz);
+}
/*
* Kernel time accessors