Active subsystems in linux-iommu

31 subsystems with patch activity in the last 7 days, busiest first. Each links to its own dashboard: recent patches, active threads and reviewers for the paths that subsystem claims in MAINTAINERS.

• pci peer-to-peer dma (p2pdma) Supported
  33 messages in 7d · last 2026-10-13 14:27 · Bjorn Helgaas et al.
• pci subsystem Supported
  31 messages in 7d · last 2026-10-13 14:27 · Bjorn Helgaas
• iommu subsystem
  25 messages in 7d · last 2026-10-13 22:24 · Joerg Roedel et al.
• arm smmu drivers
  9 messages in 7d · last 2026-10-13 17:42 · Will Deacon
• documentation
  9 messages in 7d · last 2026-10-13 14:26 · Jonathan Corbet
• amd iommu (amd-vi)
  4 messages in 7d · last 2026-10-13 22:24 · Joerg Roedel
• open firmware and flattened device tree bindings
  4 messages in 7d · last 2026-10-11 16:52 · Rob Herring et al.
• s390 architecture Supported
  3 messages in 7d · last 2026-10-12 14:22 · Heiko Carstens et al.
• s390 pci subsystem Supported
  3 messages in 7d · last 2026-10-12 14:22 · Niklas Schnelle et al.
• iommufd
  2 messages in 7d · last 2026-10-13 17:12 · Jason Gunthorpe et al.
• intel iommu (vt-d) Supported
  2 messages in 7d · last 2026-10-12 10:22 · David Woodhouse et al.
• dma mapping benchmark
  2 messages in 7d · last 2026-10-11 22:34 · Barry Song et al.
• arm/qualcomm mailing list
  2 messages in 7d · last 2026-10-11 16:52
• arm/qualcomm support
  2 messages in 7d · last 2026-10-11 16:52 · Bjorn Andersson et al.
• qualcomm tsens thermal driver
  2 messages in 7d · last 2026-10-11 16:52 · Amit Kucheria et al.
• thermal Supported
  2 messages in 7d · last 2026-10-11 16:52 · Rafael J. Wysocki et al.
• arm smmu sva support
  2 messages in 7d · last 2026-10-11 11:27
• vfio driver
  2 messages in 7d · last 2026-10-10 07:25 · Alex Williamson
• dma mapping helpers Supported
  1 message in 7d · last 2026-10-13 11:44 · Marek Szyprowski
• s390 iommu (pci) Supported
  1 message in 7d · last 2026-10-12 14:22 · Niklas Schnelle et al.
• intel(r) trusted execution technology (txt) Supported
  1 message in 7d · last 2026-10-12 09:35 · Ning Sun
• x86 architecture (32-bit and 64-bit)
  1 message in 7d · last 2026-10-12 09:35 · Thomas Gleixner et al.
• input (keyboard, mouse, joystick, touchscreen) drivers
  1 message in 7d · last 2026-10-11 16:52 · Dmitry Torokhov
• nvmem framework
  1 message in 7d · last 2026-10-11 16:52 · Srinivas Kandagatla
• tegra iommu drivers Supported
  1 message in 7d · last 2026-10-11 11:27 · Thierry Reding
• kernel virtual machine (kvm) Supported
  1 message in 7d · last 2026-10-10 07:25 · Paolo Bonzini
• exynos sysmmu (iommu) driver
  1 message in 7d · last 2026-10-09 03:45 · Marek Szyprowski
• drm drivers for rockchip
  1 message in 7d · last 2026-10-09 00:21 · Sandy Huang et al.
• drm drivers
  1 message in 7d · last 2026-10-09 00:21 · David Airlie et al.
• drm drivers and misc gpu patches
  1 message in 7d · last 2026-10-09 00:21 · Maarten Lankhorst et al.
• iommu dma-api layer
  1 message in 7d · last 2026-10-09 00:21 · Robin Murphy