Re: [PATCH RFC V2 3/6] time: keep track of the pending utc/taithreshold

From: Richard Cochran
Date: Wed May 30 2012 - 02:20:25 EST


On Tue, May 29, 2012 at 10:56:18PM -0700, John Stultz wrote:
> On 05/29/2012 10:11 PM, Richard Cochran wrote:
> >On Tue, May 29, 2012 at 06:49:30PM -0700, John Stultz wrote:
> >>diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
> >>index 6e46cac..81c76a9 100644
> >>--- a/kernel/time/timekeeping.c
> >>+++ b/kernel/time/timekeeping.c
> >>@@ -962,6 +962,7 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift)
> >> timekeeper.xtime.tv_sec++;
> >> leap = second_overflow(timekeeper.xtime.tv_sec);
> >> timekeeper.xtime.tv_sec += leap;
> >>+ timekeeper.wall_to_monotonic.tv_sec -= leap;
> >Don't you need this in update_wall_time() too?
> Yep. Good point.

Okay, so I can confirm that this fixes the CLOCK_MONOTONIC timer issue
during a leap second.

Thanks,
Richard
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