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SubjectRe: [PATCH 1/9] time: Condense timekeeper.xtime into xtime_sec
On Thu, 1 Mar 2012, John Stultz wrote:

> +static inline void tk_normalize_xtime(struct timekeeper *tk)
> +{
> + while (tk->xtime_nsec >= ((u64)NSEC_PER_SEC << tk->shift)) {
> + tk->xtime_nsec -= (u64)NSEC_PER_SEC << tk->shift;
> + tk->xtime_sec++;
> + }
> +}

Could we avoid the loop?

y = ((u64)NSEC_PER_SEC << tk->shift));
tk->xtime_sec += tk->xtime_nsec / y;
tk->xtime_nsec %= y;



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