Re: [patch 0/8] [Intel IOMMU] Support for Intel Virtualization Technologyfor Directed I/O

[Jeff Garzik]

Ashok Raj wrote:
> 1. Support for ACPI framework to parse and work with DMA Remapping Tables.
> 2. Add support for PCI infrastructure to search parent relationships.
> 3. Hardware support for providing DMA remapping support for Intel Chipsets.
> 4. Supporting Zero Length Reads on DMAR's not able to support ZLR.
> 5. Graphics driver workarounds to provide unity map since they dont use dma api.
> 6. Updates to Documentation area for startup options and some basics.
> 7. Workaround to provide unity map for ISA bridge device to enable floppy disk.
> 8. Ability to preserve some mappings for devices not able to address entire 
>    range.

I really think it would be best to avoid ACPI for something as critical 
as DMA remapping!

	Jeff


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