Messages in this thread | | | Subject | Re: [PATCH RFC 2/2] kvm: Be courteous to other VMs in overcommitted scenario in PLE handler | From | Peter Zijlstra <> | Date | Mon, 24 Sep 2012 18:05:57 +0200 |
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On Mon, 2012-09-24 at 17:58 +0200, Avi Kivity wrote: > There is the TSC deadline timer mode of newer Intels. Programming the > timer is a simple wrmsr, and it will fire immediately if it already > expired. Unfortunately on AMDs it is not available, and on virtual > hardware it will be slow (~1-2 usec).
Its also still a LAPIC write -- disguised as an MSR though :/
Also, who gives a hoot about virtual crap ;-)
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