Re: [Xen-devel] [PATCH] libxl: disallow PCI device assignment for HVM guest when PoD is enabled

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.01.14 at 12:27, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:
> +    /* We cannot have PoD and PCI device assignment at the same time
> +     * for HVM guest. It was reported that VT-d engine cannot

There's still a "VT-d" left in here...

Jan

> +     * work with PoD enabled because it needs to populated entire page
> +     * table for guest. Also a quick grep through AMD IOMMU related
> +     * code suggests it has not coped with PoD as well. Just to stay
> +     * on the safe side, we disable PCI device assignment with PoD all
> +     * together, regardless of the underlying IOMMU in use.
> +     */




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