Messages in this thread | | | Date | Fri, 2 Sep 2016 18:24:40 +0300 | From | Roman Kagan <> | Subject | Re: [PATCH 3/4] KVM: x86: introduce get_kvmclock_ns |
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On Thu, Sep 01, 2016 at 05:26:14PM +0200, Paolo Bonzini wrote: > Introduce a function that reads the exact nanoseconds value that is > provided to the guest in kvmclock. This crystallizes the notion of > kvmclock as a thin veneer over a stable TSC, that the guest will > (hopefully) convert with NTP. In other words, kvmclock is *not* a > paravirtualized host-to-guest NTP.
It might also be worth documenting this approach in a comment somewhere around pvclock_gtod_notify / update_pvclock_gtod or friends. And, if those could be simplified due to this change, it would be great, too.
Roman.
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