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Date:   Wed, 9 Mar 2022 10:36:54 -0800
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From:   Dave Hansen <dave.hansen@intel.com>
Subject: Re: [PATCH 2/2] Documentation: x86: Clarify Intel IOMMU documenation
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> -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.

?