Re: [PATCH] Add I/O hypercalls for i386 paravirt

Jeremy Fitzhardinge
2007-08-22T23:14:51Z

James Courtier-Dutton wrote:
> Ok, so I need to get a new CPU like the Intel Core Duo that has VT
> features? I have an old Pentium 4 at the moment, without any VT features.
>

No, VT-d (as opposed to VT) is a chipset feature which allows the
hypervisor to control who's allowed to DMA where. So you'd need a very
new machine with a VT-d capable chipset (which would also have VT, since
all new processors do).

J