documentation · Maintained

Maintainers

• M Jonathan Corbet <corbet@lwn.net>
• R Shuah Khan <skhan@linuxfoundation.org>
• R Randy Dunlap <rdunlap@infradead.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)

• WARM1d [PATCH v15 00/12] tracing: wprobe: x86: Add wprobe for watchpoint
  2026-09-07 03:48 · 4 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• HOTtoday [PATCH v2 0/7] tracing: Parse filter from boot event string
  2026-09-08 06:22 · 1 reply in 7d · Thomas Weißschuh <hidden>
• HOTtoday [PATCH v3 00/14] Remove PG_private by using page/folio->private checks instead
  2026-09-08 02:57 · 1 reply in 7d · Zi Yan <ziy@nvidia.com>
• WARM1d [PATCH 0/2] tracing: add ring-buffer memory usage statistics
  2026-09-05 11:27 · 2 replies in 7d · Xiang Gao <hidden>
• COOLING4d [PATCH v2] Documentation: trace: histogram-design: fix bracket, improve wording
  2026-09-03 07:13 · 1 reply in 7d · Manuel Ebner <hidden>
• WARM3d [PATCH v3 0/2] driver core: add TAINT_FORCED_BIND for when userspace manually messes with devices and drivers
  2026-09-04 05:12 · 1 reply in 7d · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING5d [PATCH] Documentation: trace: histogram-design: fix bracket
  2026-09-02 18:14 · 1 reply in 7d · Manuel Ebner <hidden>
• HOTtoday [RFC PATCH v6 0/3] trace: stack trace deduplication for ftrace ring buffer
  2026-09-03 13:25 · 1 reply in 7d · Pengfei Li <hidden>
• COOLING6d [PATCH v5 0/8] tracing/osnoise: Track IPIs
  2026-09-02 12:40 · 2 replies in 7d · Valentin Schneider <vschneid@redhat.com>
• COOLING5d [RFC PATCH v5 0/3] trace: stack trace deduplication for ftrace ring buffer
  2026-09-02 06:43 · 1 reply in 7d · Li Pengfei <hidden>

Active reviewers (last 30 days)

• Shivank Garg <hidden>
  10 attestations (10 Tested-by) · last on 2026-08-31
• Fuad Tabba <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-08-31
• Xiaoyao Li <hidden>
  6 attestations (4 Reviewed-by, 2 Suggested-by) · last on 2026-08-31
• Sean Christopherson <seanjc@google.com>
  5 attestations (4 Co-developed-by, 1 Suggested-by) · last on 2026-08-31
• Johan Hovold <johan@kernel.org>
  4 attestations (2 Reviewed-by, 2 Tested-by) · last on 2026-09-04
• Vishal Annapurve <hidden>
  4 attestations (4 Co-developed-by) · last on 2026-08-31
• Binbin Wu <hidden>
  4 attestations (4 Reviewed-by) · last on 2026-08-31
• Suzuki K Poulose <suzuki.poulose@arm.com>
  4 attestations (2 Reviewed-by, 2 Suggested-by) · last on 2026-08-31
• Yan Zhao <hidden>
  4 attestations (2 Reviewed-by, 2 Tested-by) · last on 2026-08-31
• Ackerley Tng <hidden>
  3 attestations (3 Co-developed-by) · last on 2026-08-31

Recent patches

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

• HOTtoday [PATCH v2 7/7] tracing: Parse filter from boot event string
  2026-09-08 · Thomas Weißschuh <hidden>
• HOTtoday [PATCH v3 14/14] mm/page-flags: remove PG_private
  2026-09-08 · Zi Yan <ziy@nvidia.com>
• WARM1d [PATCH v15 12/12] tracing/wprobe: Support BTF struct offset resolution in set_wprobe trigger
  2026-09-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH v15 11/12] tracing/wprobe: Support BTF typecast in fetchargs
  2026-09-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH v15 09/12] tracing/wprobe: Add set_wprobe and clear_wprobe event triggers
  2026-09-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH v15 05/12] tracing/wprobe: Add wprobe (watchpoint probe) trace event support
  2026-09-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH 2/2] tracing: add per-CPU memory usage statistics in tracefs
  2026-09-05 · Xiang Gao <hidden>
• WARM1d [PATCH 1/2] tracing: add ring-buffer memory usage statistics in tracefs
  2026-09-05 · Xiang Gao <hidden>
• WARM3d REVIEWED: 8 (7M) [PATCH v3 2/2] driver core: add TAINT_FORCED_BIND for when userspace manually messes with devices and drivers
  2026-09-04 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• HOTtoday [RFC PATCH v6 3/3] trace: add documentation, selftest and tooling for stackmap
  2026-09-03 · Pengfei Li <hidden>
• COOLING4d [PATCH v2] Documentation: trace: histogram-design: fix bracket, improve wording
  2026-09-03 · Manuel Ebner <hidden>
• COOLING4d [PATCH v2] Documentation: trace: histogram-design: fix bracket, improve wording
  2026-09-03 · Manuel Ebner <hidden>
• DORMANTno replies Re: [PATCH] Documentation: trace: histogram-design: fix bracket
  2026-09-02 · Steven Rostedt <rostedt@goodmis.org>
• COOLING5d [PATCH] Documentation: trace: histogram-design: fix bracket
  2026-09-02 · Manuel Ebner <hidden>
• COOLING6d [PATCH v5 7/8] rtla: Unconditionally clean any pre-existing filters for user-provided events
  2026-09-02 · Valentin Schneider <vschneid@redhat.com>
• COOLING6d [PATCH v5 1/8] rtla/osnoise: Add IPI tracking cmdline option
  2026-09-02 · Valentin Schneider <vschneid@redhat.com>
• COOLING5d [RFC PATCH v5 3/3] trace: add documentation, selftest and tooling for stackmap
  2026-09-02 · Li Pengfei <hidden>
• COOLING4d [PATCH v5 3/3] tracing: Update funcgraph-retval documentation
  2026-09-01 · Donglin Peng <hidden>
• COOLING4d [PATCH v2 14/14] mm/page-flags: remove PG_private
  2026-08-31 · Zi Yan <ziy@nvidia.com>
• COOLING8d REVIEWED: 6 (6M) [PATCH v2 2/2] driver core: add TAINT_FORCED_BIND for when userspace manually messes with devices and drivers
  2026-08-31 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COOLING6d REVIEWED: 2 (0M) [PATCH v12 15/45] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d [PATCH v12 09/45] KVM: guest_memfd: Stub in ability to enable in-place shared<=>private conversion
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d REVIEWED: 3 (0M) [PATCH v12 23/45] KVM: Let userspace disable per-VM mem attributes, enable per-gmem attributes
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d REVIEWED: 5 (2M) [PATCH v12 14/45] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d REVIEWED: 5 (0M) [PATCH v12 21/45] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d REVIEWED: 1 (0M) [PATCH v12 20/45] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING6d [PATCH v12 12/45] KVM: guest_memfd: Always fault from guest_memfd if in-place conversion is enabled
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• WARM1d [PATCH v14 11/14] tracing/wprobe: Add set_wprobe and clear_wprobe event triggers
  2026-08-30 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH v14 07/14] tracing/wprobe: Add wprobe (watchpoint probe) trace event support
  2026-08-30 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING5d [RFC PATCH 4/4] Documentation/ftrace: Document function comm filters
  2026-08-30 · <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.

• STALE159d REVIEWED: 1 (1M) [PATCH v2 01/11] Documentation: Correction in HID output_report callback description.
  2026-03-24 · Jingyuan Liang <hidden> · 1 Reviewed-by
• COLD25d REVIEWED: 1 (1M) [PATCH v3 01/11] Documentation: Correction in HID output_report callback description.
  2026-04-02 · Jingyuan Liang <hidden> · 1 Reviewed-by
• STALE106d REVIEWED: 10 (9M) [PATCH mm-unstable v17 14/14] Documentation: mm: update the admin guide for mTHP collapse
  2026-05-11 · Nico Pache <hidden> · 2 Reviewed-by
• STALE75d REVIEWED: 1 (0M) [PATCH v7 13/42] KVM: guest_memfd: Advertise KVM_SET_MEMORY_ATTRIBUTES2 ioctl
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• STALE75d REVIEWED: 1 (1M) [PATCH v4 01/11] Documentation: Correction in HID output_report callback description.
  2026-06-09 · Jingyuan Liang <hidden> · 1 Reviewed-by
• COLD29d REVIEWED: 3 (0M) [PATCH v9 10/41] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-07-29 · Ackerley Tng <hidden> · 2 Reviewed-by, 1 Tested-by
• COLD29d REVIEWED: 2 (0M) [PATCH v9 11/41] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-07-29 · Ackerley Tng <hidden> · 1 Reviewed-by, 1 Tested-by
• COLD29d REVIEWED: 1 (0M) [PATCH v9 17/41] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-07-29 · Ackerley Tng <hidden> · 1 Tested-by
• COLD29d REVIEWED: 1 (0M) [PATCH v9 18/41] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-07-29 · Ackerley Tng <hidden> · 1 Tested-by
• COOLING11d REVIEWED: 5 (2M) [PATCH v10 10/41] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-08-07 · Ackerley Tng <hidden> · 3 Reviewed-by, 1 Tested-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.

• STALE192d [PATCH v17 1/3] lib: Introduce hierarchical per-cpu counters
  2026-02-17 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE186d [PATCH v6 09/16] rv: Add enqueue/dequeue to snroc monitor
  2026-02-25 · Gabriele Monaco <gmonaco@redhat.com>
• STALE192d [PATCH v18 1/3] lib: Introduce hierarchical per-cpu counters
  2026-02-27 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE185d [PATCH net-next v3 12/13] documentation: networking: add shared devlink documentation
  2026-03-04 · Jiri Pirko <jiri@resnulli.us>
• STALE180d [PATCH net 1/7] tcp: track advertise-time scaling basis for rcv_wnd
  2026-03-11 · Wesley Atwell <hidden>
• STALE179d [PATCH v2 3/8] dma-mapping: Clarify valid conditions for CPU cache line overlap
  2026-03-11 · Leon Romanovsky <leon@kernel.org>
• STALE145d [PATCH net-next v4 12/13] documentation: networking: add shared devlink documentation
  2026-03-12 · Jiri Pirko <jiri@resnulli.us>
• STALE165d [PATCH 01/53] VFS: fix various typos in documentation for start_creating start_removing etc
  2026-03-12 · NeilBrown <hidden>
• STALE165d [PATCH 02/53] VFS: enhance d_splice_alias() to handle in-lookup dentries
  2026-03-12 · NeilBrown <hidden>
• STALE165d [PATCH 04/53] VFS: use global wait-queue table for d_alloc_parallel()
  2026-03-12 · NeilBrown <hidden>