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-rw-r--r--include/linux/hrtimer.h6
-rw-r--r--include/linux/ktime.h12
-rw-r--r--kernel/time/hrtimer.c1
3 files changed, 9 insertions, 10 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index e84eb4f228cd..adf5056bd7b3 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -457,12 +457,6 @@ extern void hrtimer_run_pending(void);
/* Bootup initialization: */
extern void __init hrtimers_init(void);
-#if BITS_PER_LONG < 64
-extern u64 ktime_divns(const ktime_t kt, s64 div);
-#else /* BITS_PER_LONG < 64 */
-# define ktime_divns(kt, div) (u64)((kt).tv64 / (div))
-#endif
-
/* Show pending timers: */
extern void sysrq_timer_list_show(void);
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index fbc64f8481b7..74eaba9b3569 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -157,16 +157,20 @@ static inline bool ktime_before(const ktime_t cmp1, const ktime_t cmp2)
return ktime_compare(cmp1, cmp2) < 0;
}
+#if BITS_PER_LONG < 64
+extern u64 ktime_divns(const ktime_t kt, s64 div);
+#else /* BITS_PER_LONG < 64 */
+# define ktime_divns(kt, div) (u64)((kt).tv64 / (div))
+#endif
+
static inline s64 ktime_to_us(const ktime_t kt)
{
- struct timeval tv = ktime_to_timeval(kt);
- return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
+ return ktime_divns(kt, NSEC_PER_USEC);
}
static inline s64 ktime_to_ms(const ktime_t kt)
{
- struct timeval tv = ktime_to_timeval(kt);
- return (s64) tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
+ return ktime_divns(kt, NSEC_PER_MSEC);
}
static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 19f211051c35..64843a836637 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -280,6 +280,7 @@ u64 ktime_divns(const ktime_t kt, s64 div)
return dclc;
}
+EXPORT_SYMBOL_GPL(ktime_divns);
#endif /* BITS_PER_LONG >= 64 */
/*