Re: [Xen-users] Should I use HVM?

[Thomas Harold <tgh@xxxxxxxxxxxx>]

John Hannfield wrote:
> Hi,
>
> I'm thinking of getting a new server, and I'm wondering about the AMD
>  2000 series processor with support for hardware virtualisation. But
> as I only ever use Linux, is this much of an issue?  Everything I
> have read seems to say HVM is good for running unmodified guest OS's
> - like windows. But I only need Linux which is already ported to xen,
> so do I really need hardware virtualisation?  There must be other
> benefits to using it? But what are they?
Even if you only run Linux DomUs, if the cost difference between a 
HVM-capable vs a non-HVM CPU is small enough, I'd go with the 
HVM-capable CPU.  You know, just in case things change 2 years from now 
and you need the HVM capabilities for some odd corner case.
But then I believe in hedging bets whenever possible.

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