Ok,

Would someone show me any VM solution that can "lock" a PCI/AGP/PCIe
device (such as graphics card), so it can be used with any VM
exclusivly?

Hetz

On Sun, May 4, 2008 at 11:11 PM, Shachar Shemesh <[EMAIL PROTECTED]> wrote:
> Dan Armak wrote:
>>
>> It does work without an IOMMU, it just doesn't protect you from a buggy
>> driver causing DMA access to the wrong address. For other kinds of driver
>> bugs, this might still be better than no virtualization.
>>
>
> Thing is, a real (as opposed to para-virtualized) kernel does not know what
> physical addresses it runs on. It does not have to be buggy in order to give
> the DMA controller the wrong addresses.
>
> You are right that I did not account for para-virtualized domains. As far as
> I know, of the three, only Xen supports those.
>
> Shachar
>
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