Re: [PATCH RFC 2/2] kvm: Be courteous to other VMs in overcommittedscenario in PLE handler

[Avi Kivity]

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
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