Re: High vm-exit latencies during kvm boot-up/shutdown

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Dong, Eddie wrote:
>> There's a two-liner required to make it work.  I'll add it soon.
>>
>>     
> But you still needs to issue WBINVD to all pCPUs which just move 
> non-response time from one place to another, not?
>   

You don't actually need to emulate wbinvd, you can just ignore it.

The only reason I can think of to use wbinvd is if you're taking a cpu 
down (for a deep sleep state, or if you're shutting it off).  A guest 
need not do that.

Any other reason? dma?  all dma today is cache-coherent, no?

-- 
error compiling committee.c: too many arguments to function


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