| Subject | RE: [PATCH 00/34] AMD IOMMU driver | Date | Fri, 11 Jul 2008 11:23:46 -0500 | From | "Duran, Leo" <> |
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On Friday, July 11, 2008 5:22 AM, Eric W. Biederman wrote:
> Small question. Does this IOMMU also support irq remapping? > > Intel is starting to merge support for their iommu that supports irq > remapping and I am curious what the implications are going to be to > support both of these iommus? > > Assuming their is irq remapping support it isn't tied to x2apic > support in the cpus is it? > Follow-up questions: (1) Outside of a virtualization environment, is there functional value for "irq remapping" by an IOMMU? And, if there is, (2) How would this functionality get abstracted? (e.g., as dma_ops abstracts 'address remapping' by the IOMMU)
Leo.
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