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Re: [Xen-users] HVM or not HVM?

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] HVM or not HVM?
From: Johann Spies <jspies@xxxxxxxxx>
Date: 2007年8月28日 12:17:15 +0200
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On Mon, Aug 27, 2007 at 11:07:22AM +0100, Nico Kadel-Garcia wrote:
>> better performance from a HVM guest. Why would PV 'achieve better
>> per-guest performance'?
>> 
> There's a nice nutshell explanation at 
> http://virt.kernelnewbies.org/TechOverview. Basically certain operations 
> are *extremely* expensive to virtualization. Para-virtualized kernels 
> simply don't use those operations. (I use the word "simply" in a very 
> genteel sort of way, it's not that simple.)
>
Thanks.
Johann
-- 
Johann Spies Telefoon: 021-808 4036
Informasietegnologie, Universiteit van Stellenbosch
 "Use hospitality one to another without grudging." 
 I Peter 4:9 
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