Re: [PATCH 2/2] Documentation: x86: Clarify Intel IOMMU documenation

From: Dave Hansen
Date: Wed Mar 09 2022 - 13:37:17 EST


> -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.

?