> -ACPI enumerates and lists the different DMA engines in the platform, and > -device scope relationships between PCI devices and which DMA engine controls > +ACPI enumerates and lists the different IOMMUs in the platform, and > +device scope relationships between PCI devices and which IOMMU controls > them. Isn't this just a really long-winded way of saying: ACPI enumerates both the IOMMUs in the platform and which IOMMU controls a specific PCI device. ?
