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xen-users
RE: [Xen-users] Hardware Virtualization
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Henning Sprang
> Sent: 12 July 2006 19:11
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Hardware Virtualization
>
> On 7/12/06, James Oakley <joakley@xxxxxxxxxxxxxxx> wrote:
> > [...]
> > It's much simpler with AMD. All AMD AM2 processors, except
> for Sempron,
> > support HVM.
> >
>
> Really?
> At least with Intel, just knowing that you have a VT CPU doesn't mean
> you can actually use that feature and I'd be surprised if that
> wouldn't count for AMD. I ran into that trap myself.
>
> I'd guess with AMD, also, the board must support it, must have "good"
> acpi tables ( I don't know too much about that, I am kernel hacker,
> but i know processes between OS and Hardware fail because of that),
> and probably generally be designed quite standard-conform. And I guess
> there are quite some that aren't.
Since all the SVM processors are in a new socket, it's pretty sure that
the BIOS is compatible with the processor, since this is the first
generation processor for the new socket.
Obviously, this doesn't take into account buggy or broken BIOS's, or
other bugs that may happen, but there's no "designwork" needed to make
AMD Virtualization work, there's no bits to enable, and no reason why it
shouldn't "just work". This doesn't necessarily mean that no-one will
ever find a combination of processor and board that won't work, but
since it's nothing actually needed to be done in the BIOS, it's not
particularly difficult to implement, so most BIOS-writers should be able
to get it working... ;-)
--
Mats
>
>
> (BTW: I have no problem buying amd, just when I needed a VT Notebook,
> non amd's where available yet, so I have intel currently)
>
> Henning
>
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