Processor Assisted Virtualization

[gaf-mNDKBlG2WHs at public.gmane.org (Jerry Feldman)]

I had read that most BIOS's have it disabled by default. Mine is a Tyan=20
S2915 MB with an AMQ Opteron Quad Core. I don't do much with Windows,=20
but I have Vista and XP VMs in the few cases I might need to use them.

On 04/19/2009 10:26 AM, Dan Ritter wrote:
> On Sun, Apr 19, 2009 at 08:15:18AM -0400, Jerry Feldman wrote:
>  =20
>> The other night I noticed that the "Processor Assisted Virtualization"=
=20
>> was disabled in my BIOS (it was hard to find, and I was looking for=20
>> something else).
>> Question, since I use KVM/QEMU and have an AMD Operon with the SVM fla=
g,=20
>> does KVM/QEMU automatically detect this, or is there something I need =
to=20
>> do to tell the software that Hardware VM is activated.
>>    =20
>
> Loading the kvm-amd module should be done automatically by
> kvm/qemu, and it will tell you if it can't.
>
> Normally Intel has a BIOS setting to turn it on/off, and AMD
> machines just leave it on all the time. Since there is no
> performance hit to turn it off, I am irked at Intel.
>
> I am also irked at HP, who has managed to include such a BIOS
> setting for AMD machines and defaults it to off. None of my
> other AMD motherboards requires such a change.
>
>  =20


--=20
Jerry Feldman <gaf-mNDKBlG2WHs at public.gmane.org>
Boston Linux and Unix
PGP key id: 537C5846
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