On Tue, 2007-04-10 at 04:21 -0400, Jeff Garzik wrote: > 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! DMA remapping just uses ACPI table to tell which dma remapping engine a pci device is controlled by at boot time. At run time, DMA remapping hasn't any interactive with ACPI.
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