Messages in this thread | | | Date | Thu, 18 Jun 2009 21:08:35 +0300 | From | Muli Ben-Yehuda <> | Subject | Re: [PATCH 1/2] IOMMU Identity Mapping Support: iommu_identity_mapping definition |
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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?
Cheers, Muli
> This method may lose some of DMA remapping benefits like isolation.
I think you meant s/may/will/.
Cheers, Muli -- Muli Ben-Yehuda | muli@il.ibm.com | +972-4-8281080 Manager, Virtualization and Systems Architecture Master Inventor, IBM Haifa Research Laboratory
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