> Hello Gabriel,
> I reviewed the patch set and the kern_ntptime.c. Changes in FreeBSD in 
> kern_ntptime.c are infrequently. The module is pretty self
> contained. I suggest to import this file into the RTEMS sources due to the 
> coupling with kern_tc.c which is already present in RTEMS.

Sounds good.
There still some functions needed by PPS API which are in rtems-libbsd. So it 
is still required to set some pointers to function before running a 
synchronization using PPS.

> The ntp_update_second() is called by _Timecounter_Windup() under protection 
> of the _Timecounter_Lock. I don't think we need the
> extra ntp_lock.
>
> I will work on a patch which includes the current kern_ntptime.c to RTEMS. It 
> should be ready by end of next week.
> 
> Do you have plans to enable the PPS_SYNC option?
> 

Yes.  Actually, I have something working.
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