Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
timekeeping: Move timekeeping helper functions
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
authored by
Adrian Hunter
and committed by
Thomas Gleixner
e98ab3d4
7e90ffb7
+16
-16
+16
-16
kernel/time/timekeeping.c
+16
-16
kernel/time/timekeeping.c
···
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return nsec;
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}
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static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr)
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{
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u64 delta;
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delta = timekeeping_get_delta(tkr);
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return timekeeping_delta_to_ns(tkr, delta);
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}
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static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles)
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{
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u64 delta;
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/* calculate the delta since the last update_wall_time */
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delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
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return timekeeping_delta_to_ns(tkr, delta);
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}
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static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr)
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{
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u64 delta, cycles = tk_clock_read(tkr);
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delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
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return timekeeping_delta_to_ns(tkr, delta);
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}
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static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr)
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{
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u64 delta;
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delta = timekeeping_get_delta(tkr);
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return timekeeping_delta_to_ns(tkr, delta);
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}
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···
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/* Update base[1] */
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memcpy(base + 1, base, sizeof(*base));
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-
}
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static __always_inline u64 fast_tk_get_delta_ns(struct tk_read_base *tkr)
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{
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u64 delta, cycles = tk_clock_read(tkr);
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delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
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return timekeeping_delta_to_ns(tkr, delta);
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}
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static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf)