[ntp:questions] 500ppm - is it too small?

David Woolley david at ex.djwhome.demon.invalid
Fri Nov 13 07:49:55 UTC 2009


Unruh wrote:
> David Woolley <david at ex.djwhome.demon.invalid> writes:
> 
>> Unruh wrote:
> 
>>> The problem is that Mills hardcoded this into the kernel routines for
> 
>> It, and lower values, e.g. 100ppm where hardcoded into kernels before 
>> nptd was a factor.  The interface that ntpd uses in user space mode 
>> typically had this sort of limit.
> 
> I believe Mills was largely responsible for the kernel time routine
> (like adjtimex) 
> ntp has been around for about 20 years now, longer than Linux has. 

I'm talking about adjtime.  adjtimex was clearly intended for ntpd.
> 




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