Messages in this thread Patch in this message | | | Date | Mon, 20 Feb 2006 23:21:09 -0700 | From | john stultz <> | Subject | [-mm PATCH 1/11] Time: reduced ntp rework part 1 - fix adjtimeadj |
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Syncs up the time-reduced-ntp-rework-part1.patch with the adjtime_adjustment() changes.
Signed-off-by: John Stultz <johnstul@us.ibm.com>
kernel/timer.c | 28 +++++----------------------- 1 files changed, 5 insertions(+), 23 deletions(-)
Index: mm-merge/kernel/timer.c =================================================================== --- mm-merge.orig/kernel/timer.c +++ mm-merge/kernel/timer.c @@ -590,7 +590,6 @@ static long time_adj; /* tick adjust ( long time_reftime; /* time at last adjustment (s) */ long time_adjust; long time_next_adjust; -long time_adjust_step; /* per tick time_adjust step */ /* * this routine handles the overflow of the microsecond field @@ -757,25 +756,7 @@ static void ntp_advance(unsigned long in /* calculate the per tick singleshot adjtime adjustment step: */ while (interval_ns >= tick_nsec) { - time_adjust_step = time_adjust; - if (time_adjust_step) { - /* - * We are doing an adjtime thing. - * - * Prepare time_adjust_step to be within bounds. - * Note that a positive time_adjust means we want - * the clock to run faster. - * - * Limit the amount of the step to be in the range - * -tickadj .. +tickadj: - */ - time_adjust_step = min(time_adjust_step, (long)tickadj); - time_adjust_step = max(time_adjust_step, - (long)-tickadj); - - /* Reduce by this step the amount of time left: */ - time_adjust -= time_adjust_step; - } + time_adjust -= adjtime_adjustment(); interval_ns -= tick_nsec; } @@ -851,11 +833,11 @@ static void update_wall_time(unsigned lo { do { /* - * Calculate the nsec delta using the precomputed NTP + * Calculate the nsec delta using the NTP * adjustments: - * tick_nsec, time_adjust_step, time_adj + * tick_nsec, adjtime_adjustment(), phase_advance() */ - long delta_nsec = tick_nsec + time_adjust_step * 1000; + long delta_nsec = tick_nsec + adjtime_adjustment() * 1000; delta_nsec += phase_advance(); xtime_advance(delta_nsec); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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