So, I know get_maintainer.pl doesn't work great for files that are used by a lot of subsystems, but it doesn't seem _super_ hard to find relevant maintainers for this stuff. There are many IOMMU and swiotlb folks in MAINTAINERS who aren't cc'd here. I'd be great to get an ack from those folks. iommu@xxxxxxxxxxxxxxx seems to pop up pretty frequently. I'd also have zero objections to a patch to: Documentation/arch/x86/x86_64/boot-options.rst that goes through another tree.
