iommu subsystem · Maintained

Maintainers

• M Joerg Roedel <joro@8bytes.org>
• M Will Deacon <will@kernel.org>
• R Robin Murphy <robin.murphy@arm.com>

Paths

• F Documentation/devicetree/bindings/iommu/
• F drivers/iommu/
• F include/linux/iommu.h
• F include/linux/iova.h
• F include/linux/of_iommu.h
• F rust/kernel/iommu/

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• COOLING7d [PATCH 12/23] iommu/fsl: use platform_device_set_of_node()
  2026-05-21 · Bartosz Golaszewski <hidden>
• STALE74d [PATCH v3 3/4] iommu/generic_pt: disable GCOV for iommu_amdv1.o
  2026-04-01 · Konstantin Khorenko <hidden>
• COLD60d [PATCH 50/61] iommu: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE104d [PATCH] iommu/dma: Rate-limit WARN in iommu_dma_unmap_phys()
  2026-02-11 · Breno Leitao <leitao@debian.org>
• STALE143d [RFC PATCH v4 29/38] iommu: ipmmu-vmsa: Add support for reserved regions
  2026-01-18 · Koichiro Den <hidden>
• STALE143d [RFC PATCH v4 28/38] iommu: ipmmu-vmsa: Add PCIe ch0 to devices_allowlist
  2026-01-18 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v3 31/35] iommu: ipmmu-vmsa: Add support for reserved regions
  2025-12-17 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v3 30/35] iommu: ipmmu-vmsa: Add PCIe ch0 to devices_allowlist
  2025-12-17 · Koichiro Den <hidden>
• STALE227d [PATCH] dt-bindings: Remove extra blank lines
  2025-10-23 · "Rob Herring (Arm)" <robh@kernel.org>
• STALE399d [PATCH 23/33] dt-bindings: arm-smmu: Add the SM7150 compatible
  2025-04-22 · Danila Tikhonov <hidden>
• STALE592d [PATCH 5/5] hyperv: Use hvhdk.h instead of hyperv-tlfs.h in Hyper-V code
  2024-10-03 · Nuno Das Neves <hidden>
• STALE529d LANDED [PATCH 3/5] iommu/hyper-v: Don't assume cpu_possible_mask is dense
  2024-10-03 · <hidden>
• STALE707d [PATCH 17/47] dt-bindings: arm-smmu: Document QCS9100 GPU SMMU
  2024-07-03 · Tengfei Fan <hidden>
• STALE707d [PATCH 17/47] dt-bindings: arm-smmu: Document QCS9100 GPU SMMU
  2024-07-03 · Tengfei Fan <hidden>
• STALE733d LANDED [PATCH] tracing/treewide: Remove second parameter of __assign_str()
  2024-05-16 · Steven Rostedt <rostedt@goodmis.org>
• STALE767d REVIEWED: 6 (6M) [PATCH v6 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-05-07 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE769d REVIEWED: 6 (6M) [PATCH net-next v5 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-05-06 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE770d REVIEWED: 6 (6M) [PATCH net-next v4 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-04-23 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE790d [PATCH v2 1/1] mm: change inlined allocation helpers to account at the call site
  2024-04-15 · Suren Baghdasaryan <surenb@google.com>
• STALE801d [PATCH 1/1] mm: change inlined allocation helpers to account at the call site
  2024-04-04 · Suren Baghdasaryan <surenb@google.com>
• STALE781d [PATCH v2 14/25] iommu: virtio: drop owner assignment
  2024-03-31 · Krzysztof Kozlowski <hidden>
• STALE806d [PATCH 11/22] iommu: virtio: drop owner assignment
  2024-03-27 · Krzysztof Kozlowski <hidden>
• STALE823d [FYI][PATCH] tracing/treewide: Remove second parameter of __assign_str()
  2024-02-23 · Steven Rostedt <rostedt@goodmis.org>
• STALE840d [PATCH net-next v3 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-02-14 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE853d [PATCH net-next v2 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-02-05 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE866d [PATCH net-next 3/7] iommu/dma: avoid expensive indirect calls for sync operations
  2024-01-26 · Alexander Lobakin <aleksander.lobakin@intel.com>
• STALE902d [PATCH 14/16] iommu: account IOMMU allocated memory
  2023-11-28 · Pasha Tatashin <pasha.tatashin@soleen.com>
• STALE902d [PATCH 13/16] iommu: observability of the IOMMU allocations
  2023-11-28 · Pasha Tatashin <pasha.tatashin@soleen.com>
• STALE902d [PATCH 12/16] iommu/tegra-smmu: use page allocation function provided by iommu-pages.h
  2023-11-28 · Pasha Tatashin <pasha.tatashin@soleen.com>
• STALE902d [PATCH 11/16] iommu/sun50i: use page allocation function provided by iommu-pages.h
  2023-11-28 · Pasha Tatashin <pasha.tatashin@soleen.com>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE154d [RFC PATCH v3 30/35] iommu: ipmmu-vmsa: Add PCIe ch0 to devices_allowlist
  2025-12-17 · Koichiro Den <hidden>
• STALE154d [RFC PATCH v3 31/35] iommu: ipmmu-vmsa: Add support for reserved regions
  2025-12-17 · Koichiro Den <hidden>
• STALE143d [RFC PATCH v4 28/38] iommu: ipmmu-vmsa: Add PCIe ch0 to devices_allowlist
  2026-01-18 · Koichiro Den <hidden>
• STALE143d [RFC PATCH v4 29/38] iommu: ipmmu-vmsa: Add support for reserved regions
  2026-01-18 · Koichiro Den <hidden>
• STALE74d [PATCH v3 3/4] iommu/generic_pt: disable GCOV for iommu_amdv1.o
  2026-04-01 · Konstantin Khorenko <hidden>