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xen-users
RE: [Xen-users] HVM questions
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Gregory Gee
> Sent: 10 July 2006 22:59
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] HVM questions
>
>
> A few simple questions.
>
> - How many VM can be setup for HVM?
As many as you can afford memory for.
>
> - Would it make sense to have more than one?
>
> - I heard that PCI passthrough or what ever it is called is not
> supported in HVM. Is that a permanent limitation or will it
> soon become
> available? Unfortunately, I need 1 Windows VM that can use dedicated
> PCI card. Since Windows is only supported in HVM, then this is why I
> ask this question.
Yes, PCI passthrough is currently only supported for Para-virtual
guests.
It is expected to be solved (there's no technical limitation for this,
just that someone has to write some code to support it, basically - and
the principle is not difficult - just fill in the PCI-table in the guest
so that the device looks like its there). There are some other
limitations tho'. If the PCI-card uses direct memory access, you'd need
to use a para-virtual driver (i.e a driver that is aware of the fact
that physical memory isn't where the guest-OS thinks it is).
PIO-type card will work fine without special drivers - unfortunately,
very few PCI-cards are PIO-based...
>
> - I am seeing conflicting posts and wiki entries about AM2 Sempron
> support for SVM. Does the AM2 Sempron support HVM?
As far as I can tell from the rather poorly documented
feature-differences, Sempron will not support SVM, but all other RevF
products (Turion, Athlon64 and the to-be-released Opterons) do. Sorry
about that...
--
Mats
>
> Thanks,
> Greg
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
>
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