Messages in this thread | | | Date | Mon, 9 Jan 2017 09:58:27 -0800 | From | Stephen Hemminger <> | Subject | Re: [PATCH 3/4] hv_util: use do_adjtimex() to update system time |
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On Mon, 09 Jan 2017 18:40:15 +0100 Vitaly Kuznetsov <vkuznets@redhat.com> wrote:
> Stephen Hemminger <stephen@networkplumber.org> 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.
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