Bounding the target platforms

Eric S. Raymond esr at
Sun Feb 26 23:43:02 UTC 2017

Mark: heads up!  Policy issue.

Gary E. Miller <gem at>:
> > No, it's still here, if you mean hardpps amd RFC1589 support.  Though
> > I didn't know that until today - it's amost completely undocumented,
> > you have notice the hint dropped by the meaning of flag3 and then read
> > source code to get any idea what's going on.
> Any reason not to kill it off?  With the move to tickless Linux I can't
> see the kernel caring about a 22 year old interface that has no added
> value, is rarely used and incompatible with the future.

I guess that depends on how ubiquitous we think the RFC2783 API has become.

If we were only worrying about Linux I'd say ditch it.  But we have other
platfprms to care about - and, curiously, I don't find we have a bounded
list of them.

So let's drop back to two questions:

1. What platforms do we care about supporting in client mode (doesn't need PPS)?

2. What platforms do we care about supporting refclocks on?
		<a href="">Eric S. Raymond</a>

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