timekeeping: Use ktime_t based data for ktime_get()
Speed up ktime_get() by using ktime_t based data. Text size shrinks by 64 bytes on x8664. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
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@ -407,18 +407,19 @@ ktime_t ktime_get(void)
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{
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{
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struct timekeeper *tk = &tk_core.timekeeper;
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struct timekeeper *tk = &tk_core.timekeeper;
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unsigned int seq;
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unsigned int seq;
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s64 secs, nsecs;
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ktime_t base;
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s64 nsecs;
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WARN_ON(timekeeping_suspended);
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WARN_ON(timekeeping_suspended);
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do {
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do {
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seq = read_seqcount_begin(&tk_core.seq);
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seq = read_seqcount_begin(&tk_core.seq);
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secs = tk->xtime_sec + tk->wall_to_monotonic.tv_sec;
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base = tk->base_mono;
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nsecs = timekeeping_get_ns(tk) + tk->wall_to_monotonic.tv_nsec;
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nsecs = timekeeping_get_ns(tk);
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} while (read_seqcount_retry(&tk_core.seq, seq));
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} while (read_seqcount_retry(&tk_core.seq, seq));
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return ktime_set(secs, nsecs);
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return ktime_add_ns(base, nsecs);
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}
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}
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EXPORT_SYMBOL_GPL(ktime_get);
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EXPORT_SYMBOL_GPL(ktime_get);
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