system trace module class · Maintained

Maintainers

• M Alexander Shishkin <alexander.shishkin@linux.intel.com>

Paths

• F Documentation/trace/stm.rst
• F drivers/hwtracing/stm/
• F include/linux/stm.h
• F include/uapi/linux/stm.h

Last 30 days

Active reviewers (last 30 days)

• Yury Norov <yury.norov@gmail.com>
  2 attestations (2 Suggested-by) · last on 2026-06-25
• Masami Hiramatsu (Google) <mhiramat@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-06-25

Recent patches

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

• COOLING9d REVIEWED: 9 (9M) [PATCH v4 2/2] tracing: Remove trace_printk.h from kernel.h
  2026-06-25 · Steven Rostedt <rostedt@kernel.org>
• COOLING8d REVIEWED: 9 (9M) [PATCH v3 2/2] tracing: Remove trace_printk.h from kernel.h
  2026-06-24 · Steven Rostedt <rostedt@kernel.org>
• COLD18d [PATCH v2 2/2] tracing: Remove trace_printk.h from kernel.h
  2026-06-22 · Steven Rostedt <rostedt@kernel.org>
• COOLING9d [PATCH 2/2] tracing: Add CONFIG_TRACE_PRINTK_DEBUGGING to clean up kernel.h
  2026-06-21 · Steven Rostedt <rostedt@kernel.org>
• COLD29d [PATCH v3 2/7] treewide: Get rid of get_task_comm()
  2026-06-12 · André Almeida <andrealmeid@igalia.com>
• COLD43d [PATCH v2 2/6] treewide: Get rid of get_task_comm()
  2026-05-24 · André Almeida <andrealmeid@igalia.com>
• DORMANTno replies [PATCH] stm: p_sys-t: Fix su_mutex held across wrong region in interval stores
  2026-05-22 · Yingchao Deng <hidden>
• DORMANTno replies [PATCH v6] stm: class: Add MIPI OST protocol support
  2026-05-21 · Yingchao Deng <hidden>
• DORMANTno replies [PATCH v6] stm: class: Add MIPI OST protocol support
  2026-05-21 · Yingchao Deng <hidden>
• COLD52d [PATCH 2/6] treewide: Get rid of get_task_comm()
  2026-05-17 · André Almeida <andrealmeid@igalia.com>
• COLD37d [PATCH RESEND] stm class: remove unnecessary local variable in stm_write
  2026-05-08 · Thorsten Blum <thorsten.blum@linux.dev>
• COLD47d [PATCH RESEND 2/2] stm class: Replace kzalloc + copy_from_user with memdup_user_nul
  2026-04-02 · Thorsten Blum <thorsten.blum@linux.dev>
• COLD47d [PATCH RESEND 1/2] stm class: Replace kmalloc + copy_from_user with memdup_user
  2026-04-02 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE89d REVIEWED: 7 (7M) [PATCH v4 15/21] stm: replace deprecated mmap hook with mmap_prepare
  2026-03-20 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE112d REVIEWED: 7 (7M) [PATCH v3 10/16] stm: replace deprecated mmap hook with mmap_prepare
  2026-03-19 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• DORMANTno replies [PATCH RESEND] stm class: Remove unnecessary local variable in stm_write
  2026-03-18 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE114d [PATCH v2 10/16] stm: replace deprecated mmap hook with mmap_prepare
  2026-03-16 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE116d [PATCH 10/15] stm: replace deprecated mmap hook with mmap_prepare
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• STALE133d Re: Linux 6.19.4
  2026-02-26 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE158d [PATCH v5] stm: class: Add MIPI OST protocol support
  2026-01-29 · Yingchao Deng <hidden>
• STALE165d [PATCH v2] stm class: Fix Kconfig symbols
  2026-01-27 · Leo Yan <leo.yan@arm.com>
• DORMANTno replies [PATCH RESEND 2/2] stm class: Replace kzalloc + copy_from_user with memdup_user_nul
  2026-01-27 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE165d [PATCH RESEND 1/2] stm class: Replace kmalloc + copy_from_user with memdup_user
  2026-01-27 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE166d [PATCH RESEND] stm class: Remove unnecessary local variable in stm_write
  2026-01-26 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE141d [PATCH 14/19] drivers: hwtracing: stm: console.c: Migrate to register_console_force helper
  2025-12-27 · Marcos Paulo de Souza <hidden>
• STALE186d [PATCH v4 7/7] kernel.h: drop trace_printk.h
  2025-12-25 · "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
• STALE173d [PATCH] stm class: Fix Kconfig symbols
  2025-12-17 · Leo Yan <leo.yan@arm.com>
• DORMANTno replies [PATCH] stm class: Constify struct configfs_item_operations and configfs_group_operations
  2025-12-14 · Christophe JAILLET <hidden>
• DORMANTno replies [PATCH RESEND] stm class: Remove unnecessary local variable in stm_write()
  2025-11-22 · Thorsten Blum <thorsten.blum@linux.dev>
• DORMANTno replies [PATCH RESEND 2/2] stm class: Replace kzalloc + copy_from_user with memdup_user_nul
  2025-11-14 · Thorsten Blum <thorsten.blum@linux.dev>

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.

• DORMANTno replies [PATCH] stm class: Constify struct configfs_item_operations and configfs_group_operations
  2025-12-14 · Christophe JAILLET <hidden>
• DORMANTno replies [PATCH RESEND 2/2] stm class: Replace kzalloc + copy_from_user with memdup_user_nul
  2026-01-27 · Thorsten Blum <thorsten.blum@linux.dev>
• STALE133d Re: Linux 6.19.4
  2026-02-26 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE116d [PATCH 10/15] stm: replace deprecated mmap hook with mmap_prepare
  2026-03-12 · "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>
• DORMANTno replies [PATCH RESEND] stm class: Remove unnecessary local variable in stm_write
  2026-03-18 · Thorsten Blum <thorsten.blum@linux.dev>
• COLD47d [PATCH RESEND 2/2] stm class: Replace kzalloc + copy_from_user with memdup_user_nul
  2026-04-02 · Thorsten Blum <thorsten.blum@linux.dev>
• DORMANTno replies [PATCH] stm: p_sys-t: Fix su_mutex held across wrong region in interval stores
  2026-05-22 · Yingchao Deng <hidden>