On Mon, Feb 17, 2020 at 01:46:26PM +0100, Miroslav Lichvar wrote:
> On Mon, Feb 17, 2020 at 02:34:14PM +0200, Heikkinen, Ville (Nokia - FI/Espoo) 
> wrote:
> > (https://www.eecis.udel.edu/~mills/database/reports/kern/kernb.pdf). In
> > there, it's specified that "STA_UNSYNC set/cleared by the caller to indicate
> > clock unsynchronized (e.g., when no peers are reachable)". So, this is the
> > reasoning why the flag could be used like this.
> Good find.
> FWIW, I'm not aware of any software that would unset the flag when the

you meant, "set", right?

> clock stops being updated. That includes software that was maintained
> by Dr. Mills.
> It seems wrong to me to do that, but I'm not strongly opposed.

I think we can go ahead and give a flag a meaning.  If the kernel
meant to enforce some other kind of meaning, then it would have had to
check the value that user space provides.


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