Merge branch 'fortglx/3.3/tip/timers/core' of git://git.linaro.org/people/jstultz/linux into timers/core

This commit is contained in:
Thomas Gleixner
2011-12-05 22:13:49 +01:00
15 changed files with 23 additions and 55 deletions

View File

@@ -131,7 +131,7 @@ static inline s64 timekeeping_get_ns_raw(void)
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* return delta convert to nanoseconds using ntp adjusted mult. */
/* return delta convert to nanoseconds. */
return clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
}
@@ -813,11 +813,11 @@ static void timekeeping_adjust(s64 offset)
* First we shift it down from NTP_SHIFT to clocksource->shifted nsecs.
*
* Note we subtract one in the shift, so that error is really error*2.
* This "saves" dividing(shifting) intererval twice, but keeps the
* (error > interval) comparision as still measuring if error is
* This "saves" dividing(shifting) interval twice, but keeps the
* (error > interval) comparison as still measuring if error is
* larger then half an interval.
*
* Note: It does not "save" on aggrivation when reading the code.
* Note: It does not "save" on aggravation when reading the code.
*/
error = timekeeper.ntp_error >> (timekeeper.ntp_error_shift - 1);
if (error > interval) {
@@ -833,7 +833,7 @@ static void timekeeping_adjust(s64 offset)
* nanosecond, and store the amount rounded up into
* the error. This causes the likely below to be unlikely.
*
* The properfix is to avoid rounding up by using
* The proper fix is to avoid rounding up by using
* the high precision timekeeper.xtime_nsec instead of
* xtime.tv_nsec everywhere. Fixing this will take some
* time.