On 09/24/2012 06:05 PM, Peter Zijlstra wrote: > 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 :/ It's probably a whole lot faster though. > Also, who gives a hoot about virtual crap ;-) I only mentioned it to see if your virtual crap detector is still working. Looks like it's still in top condition, low latency and 100% hit rate. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
