Active subsystems in linux-pm

91 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.

• dynamic debug
  30 messages in 7d · last 2026-09-09 00:55 · Jason Baron et al.
• suspend to ram Supported
  14 messages in 7d · last 2026-09-09 00:55 · "Rafael J. Wysocki"
• kernel selftest framework
  13 messages in 7d · last 2026-09-09 00:55 · Shuah Khan et al.
• cpu frequency scaling framework
  10 messages in 7d · last 2026-09-08 08:31 · "Rafael J. Wysocki" et al.
• power supply class/subsystem and drivers
  10 messages in 7d · last 2026-09-08 06:14 · Sebastian Reichel
• driver core, kobjects, debugfs and sysfs Supported
  9 messages in 7d · last 2026-09-08 08:31 · Greg Kroah-Hartman et al.
• usb subsystem Supported
  9 messages in 7d · last 2026-09-07 07:45 · Greg Kroah-Hartman
• power sequencing
  8 messages in 7d · last 2026-09-07 12:21 · Bartosz Golaszewski
• generic include/asm header files
  7 messages in 7d · last 2026-09-09 00:55 · Arnd Bergmann
• hibernation (aka software suspend, aka swsusp) Supported
  7 messages in 7d · last 2026-09-09 00:55 · "Rafael J. Wysocki"
• power management core Supported
  7 messages in 7d · last 2026-09-07 06:47 · "Rafael J. Wysocki"
• interconnect api
  6 messages in 7d · last 2026-09-08 08:09 · Georgi Djakov
• generic pm domains Supported
  6 messages in 7d · last 2026-09-07 14:32 · Ulf Hansson
• pcie m.2 power sequencing
  6 messages in 7d · last 2026-09-07 12:21 · Manivannan Sadhasivam
• qualcomm bluetooth driver
  6 messages in 7d · last 2026-09-04 15:42 · Bartosz Golaszewski
• bluetooth drivers Supported
  6 messages in 7d · last 2026-09-04 15:42 · Marcel Holtmann et al.
• documentation
  5 messages in 7d · last 2026-09-09 00:55 · Jonathan Corbet
• thermal Supported
  4 messages in 7d · last 2026-09-08 15:29 · Rafael J. Wysocki et al.
• device frequency (devfreq)
  4 messages in 7d · last 2026-09-07 19:24 · MyungJoo Ham et al.
• system reset/shutdown drivers
  4 messages in 7d · last 2026-09-07 16:44 · Sebastian Reichel
• cpu idle time management framework
  3 messages in 7d · last 2026-09-07 11:17 · "Rafael J. Wysocki" et al.
• acpi Supported
  3 messages in 7d · last 2026-09-07 10:33 · "Rafael J. Wysocki"
• scheduler
  3 messages in 7d · last 2026-09-07 08:14 · Ingo Molnar et al.
• memory management
  3 messages in 7d · last 2026-09-07 08:14 · Andrew Morton
• module support
  2 messages in 7d · last 2026-09-09 00:55 · Luis Chamberlain et al.
• arm port Odd Fixes
  2 messages in 7d · last 2026-09-08 15:29 · Russell King
• generic architecture topology
  2 messages in 7d · last 2026-09-08 08:31 · Sudeep Holla
• scsi subsystem
  2 messages in 7d · last 2026-09-07 19:24 · "James E.J. Bottomley" et al.
• universal flash storage host controller driver Supported
  2 messages in 7d · last 2026-09-07 19:24
• cpu power monitoring subsystem
  2 messages in 7d · last 2026-09-07 12:07 · Thomas Renninger et al.
• arm/texas instrument keystone reset driver
  2 messages in 7d · last 2026-09-07 09:12 · Santosh Shilimkar
• cpu hotplug
  2 messages in 7d · last 2026-09-07 08:14 · Thomas Gleixner et al.
• freezer Supported
  2 messages in 7d · last 2026-09-07 08:14 · "Rafael J. Wysocki"
• hung task detector
  2 messages in 7d · last 2026-09-07 08:14 · Andrew Morton et al.
• locking primitives
  2 messages in 7d · last 2026-09-07 08:14 · Peter Zijlstra et al.
• read-copy update (rcu) Supported
  2 messages in 7d · last 2026-09-07 08:14 · "Paul E. McKenney" et al.
• function hooks (ftrace)
  2 messages in 7d · last 2026-09-07 08:14 · Steven Rostedt et al.
• tracing
  2 messages in 7d · last 2026-09-07 08:14 · Steven Rostedt et al.
• userspace stack unwinding
  2 messages in 7d · last 2026-09-07 08:14 · Josh Poimboeuf et al.
• arm64 port (aarch64 architecture)
  2 messages in 7d · last 2026-09-06 16:38 · Catalin Marinas et al.
• open firmware and flattened device tree bindings
  2 messages in 7d · last 2026-09-04 15:42 · Rob Herring et al.
• arm/mediatek soc support
  2 messages in 7d · last 2026-09-04 08:44 · Matthias Brugger et al.
• software nodes and device properties
  2 messages in 7d · last 2026-09-04 08:42
• drm drivers
  1 message in 7d · last 2026-09-09 00:55 · David Airlie et al.
• drm drivers and misc gpu patches
  1 message in 7d · last 2026-09-09 00:55 · Maarten Lankhorst et al.
• arm/marvell dove/mv78xx0/orion soc support
  1 message in 7d · last 2026-09-08 15:29 · Andrew Lunn et al.
• libata subsystem (serial and parallel ata drivers)
  1 message in 7d · last 2026-09-08 15:29 · Damien Le Moal et al.
• multimedia card (mmc), secure digital (sd) and sdio subsystem
  1 message in 7d · last 2026-09-08 15:29 · Ulf Hansson
• pci subsystem Supported
  1 message in 7d · last 2026-09-08 15:29 · Bjorn Helgaas
• pci native host bridge and endpoint drivers Supported
  1 message in 7d · last 2026-09-08 15:29 · Lorenzo Pieralisi et al.
• generic phy framework Supported
  1 message in 7d · last 2026-09-08 15:29 · Vinod Koul
• real time clock (rtc) subsystem
  1 message in 7d · last 2026-09-08 15:29 · Alexandre Belloni
• watchdog device drivers
  1 message in 7d · last 2026-09-08 15:29 · Wim Van Sebroeck et al.
• sound - soc layer / dynamic audio power management (asoc) Supported
  1 message in 7d · last 2026-09-08 15:29 · Liam Girdwood et al.
• sound
  1 message in 7d · last 2026-09-08 15:29 · Jaroslav Kysela et al.
• operating performance points (opp)
  1 message in 7d · last 2026-09-08 12:37 · Viresh Kumar et al.
• arm/risc-v/renesas architecture Supported
  1 message in 7d · last 2026-09-07 14:32 · Geert Uytterhoeven et al.
• cpuidle driver - arm psci pm domain Supported
  1 message in 7d · last 2026-09-07 11:17 · Ulf Hansson
• cpuidle driver - arm psci Supported
  1 message in 7d · last 2026-09-07 11:17 · Lorenzo Pieralisi et al.
• landlock security module Supported
  1 message in 7d · last 2026-09-07 08:15 · Mickaël Salaün
• security subsystem Supported
  1 message in 7d · last 2026-09-07 08:15 · Paul Moore et al.
• proc filesystem
  1 message in 7d · last 2026-09-07 08:15
• rdt - resource allocation Supported
  1 message in 7d · last 2026-09-07 08:15 · Tony Luck et al.
• hwpoison memory failure handling
  1 message in 7d · last 2026-09-07 08:14 · Miaohe Lin
• memory management - ksm (kernel samepage merging)
  1 message in 7d · last 2026-09-07 08:14 · Andrew Morton et al.
• memory management - oom killer
  1 message in 7d · last 2026-09-07 08:14 · Michal Hocko
• ti bandgap and thermal driver
  1 message in 7d · last 2026-09-07 06:47 · Eduardo Valentin et al.
• maxim max17042 family fuel gauge drivers
  1 message in 7d · last 2026-09-07 06:39
• risc-v architecture Supported
  1 message in 7d · last 2026-09-06 16:38 · Paul Walmsley et al.
• arm/apple machine support
  1 message in 7d · last 2026-09-06 06:19 · Sven Peter et al.
• cellwise cw2015 battery driver
  1 message in 7d · last 2026-09-06 06:19 · Tobias Schrammm
• qualcomm smb charger driver
  1 message in 7d · last 2026-09-06 06:19 · Casey Connolly
• broadcom bmips cpufreq driver
  1 message in 7d · last 2026-09-06 06:18 · Markus Mayer
• cpu frequency drivers - cppc cpufreq
  1 message in 7d · last 2026-09-06 06:18 · "Rafael J. Wysocki" et al.
• thermal/cpu_cooling Supported
  1 message in 7d · last 2026-09-06 06:18 · Amit Daniel Kachhap et al.
• qualcomm tsens thermal driver
  1 message in 7d · last 2026-09-06 06:18 · Amit Kucheria et al.
• amazon annapurna labs thermal mmio driver
  1 message in 7d · last 2026-09-06 06:18 · Talel Shenhar
• irq subsystem
  1 message in 7d · last 2026-09-05 15:28 · Thomas Gleixner
• mitsumi mm8013 fg driver
  1 message in 7d · last 2026-09-05 13:45 · Konrad Dybcio
• amd pstate driver Supported
  1 message in 7d · last 2026-09-05 01:07 · Huang Rui et al.
• arm/qualcomm mailing list
  1 message in 7d · last 2026-09-04 15:42
• arm/qualcomm support
  1 message in 7d · last 2026-09-04 15:42 · Bjorn Andersson et al.
• turbostat utility Supported
  1 message in 7d · last 2026-09-04 12:30 · "Len Brown"
• device frequency event (devfreq-event) Supported
  1 message in 7d · last 2026-09-04 11:07 · Chanwoo Choi
• arm/samsung s3c, s5p and exynos arm architectures
  1 message in 7d · last 2026-09-04 10:02 · Krzysztof Kozlowski et al.
• dmc frequency driver for samsung exynos5422
  1 message in 7d · last 2026-09-04 10:02 · Lukasz Luba
• memory controller drivers
  1 message in 7d · last 2026-09-04 10:02 · Krzysztof Kozlowski
• networking drivers
  1 message in 7d · last 2026-09-04 09:40 · Andrew Lunn et al.
• tty layer and serial drivers Supported
  1 message in 7d · last 2026-09-04 09:40 · Greg Kroah-Hartman et al.
• media input infrastructure (v4l/dvb)
  1 message in 7d · last 2026-09-04 09:38 · Mauro Carvalho Chehab
• ivtv video4linux driver
  1 message in 7d · last 2026-09-04 09:38 · Andy Walls