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timekeeping: Move timekeeping helper functions

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Move timekeeping helper functions to prepare for their reuse.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240325064023.2997-10-adrian.hunter@intel.com
This commit is contained in:
Adrian Hunter 2024-03-25 08:40:13 +02:00 committed by Thomas Gleixner
parent 7e90ffb716
commit e98ab3d415
1 changed files with 16 additions and 16 deletions
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32
kernel/time/timekeeping.c
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@ -381,14 +381,6 @@ static inline u64 timekeeping_delta_to_ns(const struct tk_read_base *tkr, u64 de
return nsec;
}
static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr)
{
u64 delta;
delta = timekeeping_get_delta(tkr);
return timekeeping_delta_to_ns(tkr, delta);
}
static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles)
{
u64 delta;
@ -398,6 +390,22 @@ static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 c
return timekeeping_delta_to_ns(tkr, delta);
}
static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr)
{
u64 delta, cycles = tk_clock_read(tkr);
delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
return timekeeping_delta_to_ns(tkr, delta);
}
static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr)
{
u64 delta;
delta = timekeeping_get_delta(tkr);
return timekeeping_delta_to_ns(tkr, delta);
}
/**
* update_fast_timekeeper - Update the fast and NMI safe monotonic timekeeper.
* @tkr: Timekeeping readout base from which we take the update
@ -431,14 +439,6 @@ static void update_fast_timekeeper(const struct tk_read_base *tkr,
memcpy(base + 1, base, sizeof(*base));
}
static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr)
{
u64 delta, cycles = tk_clock_read(tkr);
delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
return timekeeping_delta_to_ns(tkr, delta);
}
static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf)
{
struct tk_read_base *tkr;