On Mon, 09 Jan 2017 18:40:15 +0100 Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote: > Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx> writes: > > > An alternative would be for hyper-v util to provide a clocksource device and > > let NTP manage the adjustment. The advantage of this would be HV util not fighting > > with NTP, and using standard API's. The downside would be the complexity of configuring > > NTP, and difficulty of writing a clock source pseudo device. > > Yes, I see this option. But as I wrote to John I'm afraid we'll have to > come up with a custom interface from hv_util to userspace which no NTP > server will want to support (because, first of all, it's not about > 'network time' any more). We can write our own daemon which will read > from this interface and do adjtimex but in this case I don't see much > value in this data traveling from kernel to userspace and back... > Master NTP servers are connected to authoritative clock sources. I have no idea how that is configured, but it should be possible. _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel