Messages in this thread | | | Date | Fri, 20 Aug 2010 14:30:38 -0300 | From | Glauber Costa <> | Subject | Re: [KVM timekeeping 10/35] Fix deep C-state TSC desynchronization |
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On Thu, Aug 19, 2010 at 10:07:24PM -1000, Zachary Amsden wrote: > When CPUs with unstable TSCs enter deep C-state, TSC may stop > running. This causes us to require resynchronization. Since > we can't tell when this may potentially happen, we assume the > worst by forcing re-compensation for it at every point the VCPU > task is descheduled. > > Signed-off-by: Zachary Amsden <zamsden@redhat.com> Fair enough.
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