documentation · Maintained

Maintainers

• M Jonathan Corbet <corbet@lwn.net>
• R Shuah Khan <skhan@linuxfoundation.org>

Paths

• F Documentation/
• F tools/lib/python/
• F tools/docs/
• F tools/net/ynl/pyynl/lib/doc_generator.py
• X Documentation/ABI/
• X Documentation/admin-guide/media/
• X Documentation/devicetree/
• X Documentation/driver-api/media/
• X Documentation/firmware-guide/acpi/
• X Documentation/i2c/
• X Documentation/netlink/
• X Documentation/power/
• X Documentation/spi/
• X Documentation/userspace-api/media/

Last 30 days

Most active threads (last 7 days)

• HOTtoday [RFC] entry: Untangle the return value of syscall_enter_from_user_mode from syscall NR
  2026-07-01 17:42 · 0 replies in 7d · Michal Suchánek <hidden>
• COOLING4d [PATCH 0/5] powerpc/htm: Add interface to expose HTM trace data via perf
  2026-07-01 08:38 · 1 reply in 7d · Athira Rajeev <hidden>
• COOLING5d [PATCH v7 00/22] dma-mapping: Track shared DMA state through direct, pool and swiotlb paths
  2026-07-01 05:51 · 1 reply in 7d · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING5d [PATCH v5 0/4] KVM: PPC: Expose CPU compatibility modes for nested guests
  2026-07-01 05:15 · 1 reply in 7d · Amit Machhiwal <hidden>
• COOLING5d [PATCH v17 00/10] arm64/riscv: Add support for crashkernel CMA reservation
  2026-06-29 09:48 · 2 replies in 7d · Jinjie Ruan <hidden>

Active reviewers (last 30 days)

• Baoquan He <hidden>
  4 attestations (4 Acked-by) · last on 2026-06-29
• Mike Rapoport (Microsoft) <rppt@kernel.org>
  4 attestations (4 Acked-by) · last on 2026-06-29
• Breno Leitao <leitao@debian.org>
  2 attestations (2 Tested-by) · last on 2026-06-29
• Catalin Marinas <catalin.marinas@arm.com>
  2 attestations (2 Acked-by) · last on 2026-06-29
• Rob Herring (Arm) <robh@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-06-29
• Ard Biesheuvel <ardb@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-06-29
• Randy Dunlap <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-06-12
• Joerg Roedel <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-06-08

Recent patches

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

• HOTtoday [RFC] entry: Untangle the return value of syscall_enter_from_user_mode from syscall NR
  2026-07-01 · Michal Suchánek <hidden>
• COOLING4d [PATCH 5/5] powerpc/perf/htm: Add documentation for Hardware Trace Macro PMU
  2026-07-01 · Athira Rajeev <hidden>
• COOLING5d [PATCH v7 09/22] dma-mapping: Add internal shared allocation attribute
  2026-07-01 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• COOLING5d [PATCH v5 4/4] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-07-01 · Amit Machhiwal <hidden>
• COOLING5d REVIEWED: 33 (32M) [PATCH v17 09/10] arm64: kexec_file: Add support for crashkernel CMA reservation
  2026-06-29 · Jinjie Ruan <hidden>
• COOLING5d REVIEWED: 12 (11M) [PATCH v17 10/10] riscv: kexec_file: Add support for crashkernel CMA reservation
  2026-06-29 · Jinjie Ruan <hidden>
• COOLING4d [PATCH 2/2] tracing: Add CONFIG_TRACE_PRINTK_DEBUGGING to clean up kernel.h
  2026-06-21 · Steven Rostedt <rostedt@kernel.org>
• COOLING12d [PATCH v4 4/4] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-06-16 · Amit Machhiwal <hidden>
• COLD17d [PATCH net-next 2/2] appletalk: move the protocol out of tree
  2026-06-15 · Jakub Kicinski <kuba@kernel.org>
• COLD17d [PATCH net-next 1/2] appletalk: stop storing per-interface state in struct net_device
  2026-06-15 · Jakub Kicinski <kuba@kernel.org>
• COLD23d REVIEWED: 1 (0M) [PATCH] v2 Documentation: arch: fix brackets
  2026-06-12 · Manuel Ebner <hidden>
• COLD24d [PATCH] Documentation: arch: fix brackets
  2026-06-11 · Manuel Ebner <hidden>
• COLD25d [PATCH 08/60] Documentation: kvm: introduce "VM plane" concept
  2026-06-08 · Jörg Rödel <joro@8bytes.org>
• COLD18d REVIEWED: 12 (11M) [PATCH v16 10/10] riscv: kexec_file: Add support for crashkernel CMA reservation
  2026-06-08 · Jinjie Ruan <hidden>
• COLD18d REVIEWED: 33 (32M) [PATCH v16 09/10] arm64: kexec_file: Add support for crashkernel CMA reservation
  2026-06-08 · Jinjie Ruan <hidden>
• COLD34d REVIEWED: 12 (11M) [PATCH v15 22/23] riscv: kexec_file: Add support for crashkernel CMA reservation
  2026-06-01 · Jinjie Ruan <hidden>
• COLD34d REVIEWED: 33 (32M) [PATCH v15 21/23] arm64: kexec_file: Add support for crashkernel CMA reservation
  2026-06-01 · Jinjie Ruan <hidden>
• COLD38d REVIEWED: 12 (11M) [PATCH v14 16/17] riscv: kexec: Add support for crashkernel CMA reservation
  2026-05-25 · Jinjie Ruan <hidden>
• COLD38d REVIEWED: 33 (32M) [PATCH v14 15/17] arm64: kexec: Add support for crashkernel CMA reservation
  2026-05-25 · Jinjie Ruan <hidden>
• COLD25d REVIEWED: 1 (0M) [PATCH v3 5/5] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-05-22 · Amit Machhiwal <hidden>
• COOLING6d IN LINUX-NEXT: 7 (7M) [PATCH 07/18] raid6: improve the public interface
  2026-05-18 · Christoph Hellwig <hch@lst.de>
• COLD41d [PATCH v2 69/69] Documentation/mm: Rewrite vmemmap_dedup.rst for unified HVO
  2026-05-13 · Muchun Song <hidden>
• COLD41d [PATCH v2 56/69] mm: Redefine HVO as Hugepage Vmemmap Optimization
  2026-05-13 · Muchun Song <hidden>
• COLD51d [PATCH v2 5/5] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-05-13 · Amit Machhiwal <hidden>
• COOLING9d [PATCH 08/19] raid6: improve the public interface
  2026-05-12 · Christoph Hellwig <hch@lst.de>
• COLD47d REVIEWED: 33 (32M) [PATCH v13 14/15] arm64: kexec: Add support for crashkernel CMA reservation
  2026-05-11 · Jinjie Ruan <hidden>
• COLD47d REVIEWED: 12 (11M) [PATCH v13 15/15] riscv: kexec: Add support for crashkernel CMA reservation
  2026-05-11 · Jinjie Ruan <hidden>
• COLD27d REVIEWED: 3 (0M) [PATCH v2] powerpc/pseries/iommu: export DMA window data to user space
  2026-05-07 · Gaurav Batra <hidden>
• COLD40d [PATCH v5 12/14] module: Introduce hash-based integrity checking
  2026-05-05 · Thomas Weißschuh <linux@weissschuh.net>
• COLD59d [PATCH 6/6] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-04-30 · Amit Machhiwal <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE128d REVIEWED: 5 (5M) [PATCH v6 6/6] docs: trusted-encryped: add PKWM as a new trust source
  2026-02-01 · Srish Srinivasan <ssrish@linux.ibm.com> · 1 Reviewed-by
• STALE128d REVIEWED: 6 (6M) [PATCH v6 4/6] pseries/plpks: add HCALLs for PowerVM Key Wrapping Module
  2026-02-01 · Srish Srinivasan <ssrish@linux.ibm.com> · 1 Reviewed-by, 1 Tested-by
• COLD59d REVIEWED: 1 (0M) [PATCH] powerpc/pseries/iommu: export DMA window data to user space
  2026-02-24 · Gaurav Batra <hidden> · 1 Reviewed-by
• COLD27d REVIEWED: 3 (0M) [PATCH v2] powerpc/pseries/iommu: export DMA window data to user space
  2026-05-07 · Gaurav Batra <hidden> · 3 Reviewed-by
• COLD25d REVIEWED: 1 (0M) [PATCH v3 5/5] KVM: PPC: Document KVM_PPC_GET_COMPAT_CAPS ioctl
  2026-05-22 · Amit Machhiwal <hidden> · 1 Tested-by
• COLD23d REVIEWED: 1 (0M) [PATCH] v2 Documentation: arch: fix brackets
  2026-06-12 · Manuel Ebner <hidden> · 1 Reviewed-by

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.

• STALE201d [PATCH 4/6] pseries/plpks: add HCALLs for PowerVM Key Wrapping Module
  2025-12-13 · Srish Srinivasan <ssrish@linux.ibm.com>
• STALE201d [PATCH 6/6] docs: trusted-encryped: add PKWM as a new trust source
  2025-12-13 · Srish Srinivasan <ssrish@linux.ibm.com>
• DORMANTno replies [PATCH][v2] watchdog: softlockup: panic when lockup duration exceeds N thresholds
  2025-12-18 · lirongqing <hidden>
• STALE184d [PATCH 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE184d [PATCH 26/28] mm, arch: consolidate hugetlb CMA reservation
  2025-12-28 · Mike Rapoport <rppt@kernel.org>
• STALE136d [PATCH v2 23/28] arch, mm: consolidate initialization of SPARSE memory model
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE136d [PATCH v2 26/28] mm, arch: consolidate hugetlb CMA reservation
  2026-01-02 · Mike Rapoport <rppt@kernel.org>
• STALE172d [PATCH v3 4/6] pseries/plpks: add HCALLs for PowerVM Key Wrapping Module
  2026-01-06 · Srish Srinivasan <ssrish@linux.ibm.com>
• STALE118d [PATCH v3 27/29] mm, arch: consolidate hugetlb CMA reservation
  2026-01-11 · Mike Rapoport <rppt@kernel.org>
• STALE151d [PATCH v3 3/3] riscv: kexec: Add support for crashkernel CMA reservation
  2026-02-04 · Jinjie Ruan <hidden>