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

[Jeremy Fitzhardinge]

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
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