Re: [Xen-devel] [PATCH] libxl: suppress device assignment to HVM guest when there is no IOMMU

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.07.13 at 04:27, "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx> wrote:
> George Dunlap wrote on 2013-07-01:
>>> # xl pci-assignable-list
>>> #
>>> 
>>> In other words, the xenstore stuff is still happening.
> Still got confused. If no IOMMU, why there will have device assignable? But 
> I think there may no good way to solve it since pci-assignalbe-list don't 
> need 
> IOMMU's intercept. Perhaps we should show whether IOMMU is enabled with 'xl 
> pci-assignable-list ' to let user know more earlier.

Pass-through to PV guests doesn't require an IOMMU (but of course
it's not secure without one).

Jan


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