timekeeping: Delay update of clock->cycle_last
For calculating the new timekeeper values store the new cycle_last value in the timekeeper and update the clock->cycle_last just when we actually update the new values. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
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@ -1271,7 +1271,7 @@ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset,
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/* Accumulate one shifted interval */
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offset -= interval;
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tk->clock->cycle_last += interval;
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tk->cycle_last += interval;
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tk->xtime_nsec += tk->xtime_interval << shift;
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accumulate_nsecs_to_secs(tk);
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@ -1386,6 +1386,8 @@ static void update_wall_time(void)
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*/
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accumulate_nsecs_to_secs(tk);
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/* Update clock->cycle_last with the new value */
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clock->cycle_last = tk->cycle_last;
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timekeeping_update(tk, false);
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out:
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