Re: [PATCH 1/2] IOMMU Identity Mapping Support:iommu_identity_mapping definition

[Chris Wright]

* Muli Ben-Yehuda (muli@xxxxxxxxxx) wrote:
> On Thu, Jun 18, 2009 at 11:05:14AM -0700, Fenghua Yu wrote:
> 
> > IOMMU Identity Mapping Support: iommu_identity_mapping definition
> > 
> > Identity mapping for IOMMU defines a single domain to 1:1 map all
> > pci devices to all usable memory.
> 
> Why use VT-d at all in this case? Do you have a use-case in mind?

Device assignment.
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