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timekeeping: Move ktime_get() functions to timekeeping.c

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The ktime_get() functions for GENERIC_TIME=n are still located in
hrtimer.c. Move them to time/timekeeping.c where they belong.

LKML-Reference: <new-submission>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2009-07-07 13:00:31 +02:00
parent 951ed4d36b
commit a40f262cc2
2 changed files with 57 additions and 62 deletions
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60
kernel/hrtimer.c
View File

@ -48,39 +48,6 @@
#include <asm/uaccess.h> #include <asm/uaccess.h>
#ifndef CONFIG_GENERIC_TIME
/**
* ktime_get - get the monotonic time in ktime_t format
*
* returns the time in ktime_t format
*/
ktime_t ktime_get(void)
{
struct timespec now;
ktime_get_ts(&now);
return timespec_to_ktime(now);
}
EXPORT_SYMBOL_GPL(ktime_get);
#endif
/**
* ktime_get_real - get the real (wall-) time in ktime_t format
*
* returns the time in ktime_t format
*/
ktime_t ktime_get_real(void)
{
struct timespec now;
getnstimeofday(&now);
return timespec_to_ktime(now);
}
EXPORT_SYMBOL_GPL(ktime_get_real);
/* /*
* The timer bases: * The timer bases:
* *
@ -108,33 +75,6 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) =
} }
}; };
#ifndef CONFIG_GENERIC_TIME
/**
* ktime_get_ts - get the monotonic clock in timespec format
* @ts: pointer to timespec variable
*
* The function calculates the monotonic clock from the realtime
* clock and the wall_to_monotonic offset and stores the result
* in normalized timespec format in the variable pointed to by @ts.
*/
void ktime_get_ts(struct timespec *ts)
{
struct timespec tomono;
unsigned long seq;
do {
seq = read_seqbegin(&xtime_lock);
getnstimeofday(ts);
tomono = wall_to_monotonic;
} while (read_seqretry(&xtime_lock, seq));
set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
ts->tv_nsec + tomono.tv_nsec);
}
EXPORT_SYMBOL_GPL(ktime_get_ts);
#endif
/* /*
* Get the coarse grained time at the softirq based on xtime and * Get the coarse grained time at the softirq based on xtime and
* wall_to_monotonic. * wall_to_monotonic.

59
kernel/time/timekeeping.c
View File

@ -290,10 +290,65 @@ static void change_clocksource(void)
clock->name); clock->name);
*/ */
} }
#else #else /* GENERIC_TIME */
static inline void clocksource_forward_now(void) { } static inline void clocksource_forward_now(void) { }
static inline void change_clocksource(void) { } static inline void change_clocksource(void) { }
#endif
/**
* ktime_get - get the monotonic time in ktime_t format
*
* returns the time in ktime_t format
*/
ktime_t ktime_get(void)
{
struct timespec now;
ktime_get_ts(&now);
return timespec_to_ktime(now);
}
EXPORT_SYMBOL_GPL(ktime_get);
/**
* ktime_get_ts - get the monotonic clock in timespec format
* @ts: pointer to timespec variable
*
* The function calculates the monotonic clock from the realtime
* clock and the wall_to_monotonic offset and stores the result
* in normalized timespec format in the variable pointed to by @ts.
*/
void ktime_get_ts(struct timespec *ts)
{
struct timespec tomono;
unsigned long seq;
do {
seq = read_seqbegin(&xtime_lock);
getnstimeofday(ts);
tomono = wall_to_monotonic;
} while (read_seqretry(&xtime_lock, seq));
set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
ts->tv_nsec + tomono.tv_nsec);
}
EXPORT_SYMBOL_GPL(ktime_get_ts);
#endif /* !GENERIC_TIME */
/**
* ktime_get_real - get the real (wall-) time in ktime_t format
*
* returns the time in ktime_t format
*/
ktime_t ktime_get_real(void)
{
struct timespec now;
getnstimeofday(&now);
return timespec_to_ktime(now);
}
EXPORT_SYMBOL_GPL(ktime_get_real);
/** /**
* getrawmonotonic - Returns the raw monotonic time in a timespec * getrawmonotonic - Returns the raw monotonic time in a timespec