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

Chris Wright chrisw at redhat.com
Thu Jun 18 11:13:37 PDT 2009


* Muli Ben-Yehuda (muli at il.ibm.com) 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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