Active subsystems in linux-hardening

67 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.

• memory management
  28 messages in 7d · last 2026-10-27 16:14 · Andrew Morton
• memory management - swap
  17 messages in 7d · last 2026-10-27 16:14 · Andrew Morton et al.
• drm compute accelerators drivers and framework
  10 messages in 7d · last 2026-10-23 06:40 · Oded Gabbay
• documentation
  9 messages in 7d · last 2026-10-27 22:39 · Jonathan Corbet
• drm drivers
  8 messages in 7d · last 2026-10-27 22:39 · David Airlie et al.
• slab allocator
  8 messages in 7d · last 2026-10-27 07:36 · Vlastimil Babka et al.
• open firmware and flattened device tree bindings
  7 messages in 7d · last 2026-10-26 00:30 · Rob Herring et al.
• arm/qualcomm support
  6 messages in 7d · last 2026-10-26 00:30 · Bjorn Andersson et al.
• drm drivers and misc gpu patches
  6 messages in 7d · last 2026-10-23 06:40 · Maarten Lankhorst et al.
• kernel selftest framework
  5 messages in 7d · last 2026-10-27 11:43 · Shuah Khan et al.
• memory management - core
  5 messages in 7d · last 2026-10-27 11:43 · Andrew Morton et al.
• arm/qualcomm mailing list
  5 messages in 7d · last 2026-10-26 00:30
• media input infrastructure (v4l/dvb)
  5 messages in 7d · last 2026-10-23 15:09 · Mauro Carvalho Chehab
• input (keyboard, mouse, joystick, touchscreen) drivers
  5 messages in 7d · last 2026-10-22 07:10 · Dmitry Torokhov
• x86 architecture (32-bit and 64-bit)
  4 messages in 7d · last 2026-10-27 21:54 · Thomas Gleixner et al.
• security subsystem Supported
  3 messages in 7d · last 2026-10-27 11:43 · Paul Moore et al.
• remote processor (remoteproc) subsystem
  3 messages in 7d · last 2026-10-23 06:40 · Bjorn Andersson et al.
• power supply class/subsystem and drivers
  2 messages in 7d · last 2026-10-27 22:39 · Sebastian Reichel
• arm64 port (aarch64 architecture)
  2 messages in 7d · last 2026-10-27 22:39 · Catalin Marinas et al.
• s390 architecture Supported
  2 messages in 7d · last 2026-10-27 22:39 · Heiko Carstens et al.
• radeon and amdgpu drm drivers Supported
  2 messages in 7d · last 2026-10-27 22:39 · Alex Deucher et al.
• linux for powerpc (32-bit and 64-bit) Supported
  2 messages in 7d · last 2026-10-27 22:39 · Madhavan Srinivasan
• x86 entry code
  2 messages in 7d · last 2026-10-27 21:54 · Andy Lutomirski
• memory mapping
  2 messages in 7d · last 2026-10-27 11:43 · Andrew Morton et al.
• arm64 platform drivers
  2 messages in 7d · last 2026-10-26 00:30 · Hans de Goede et al.
• kernel hardening (not covered by other areas) Supported
  2 messages in 7d · last 2026-10-25 03:14 · Kees Cook
• exec & binfmt api, elf Supported
  2 messages in 7d · last 2026-10-23 01:54 · Kees Cook
• usb subsystem Supported
  2 messages in 7d · last 2026-10-22 16:42 · Greg Kroah-Hartman
• acpi Supported
  1 message in 7d · last 2026-10-27 22:39 · "Rafael J. Wysocki"
• dma generic offload engine subsystem
  1 message in 7d · last 2026-10-27 22:39 · Vinod Koul
• infiniband subsystem Supported
  1 message in 7d · last 2026-10-27 22:39 · Jason Gunthorpe et al.
• cisco vic low latency nic driver Supported
  1 message in 7d · last 2026-10-27 22:39 · Nelson Escobar et al.
• parisc architecture
  1 message in 7d · last 2026-10-27 22:39 · "James E.J. Bottomley" et al.
• hisilicon kunpeng soc hccs driver
  1 message in 7d · last 2026-10-27 22:39 · Huisong Li
• framebuffer layer
  1 message in 7d · last 2026-10-27 22:39 · Helge Deller
• omap display subsystem and framebuffer support (dss2) Orphan
  1 message in 7d · last 2026-10-27 22:39
• erofs file system
  1 message in 7d · last 2026-10-27 22:39 · Gao Xiang et al.
• f2fs file system
  1 message in 7d · last 2026-10-27 22:39 · Jaegeuk Kim et al.
• oracle cluster filesystem 2 (ocfs2) Supported
  1 message in 7d · last 2026-10-27 22:39 · Mark Fasheh et al.
• amd kfd Supported
  1 message in 7d · last 2026-10-27 22:39 · Felix Kuehling
• ubi file system (ubifs) Supported
  1 message in 7d · last 2026-10-27 22:39 · Richard Weinberger
• xen hypervisor interface Supported
  1 message in 7d · last 2026-10-27 22:39 · Juergen Gross et al.
• distributed lock manager (dlm) Supported
  1 message in 7d · last 2026-10-27 22:39 · Alexander Aring et al.
• cpu frequency scaling framework
  1 message in 7d · last 2026-10-27 22:39 · "Rafael J. Wysocki" et al.
• superh
  1 message in 7d · last 2026-10-27 22:39 · Yoshinori Sato et al.
• compiler attributes
  1 message in 7d · last 2026-10-27 22:39 · Miguel Ojeda
• checkpatch
  1 message in 7d · last 2026-10-27 22:39 · Andy Whitcroft et al.
• gdb kernel debugging helper scripts Supported
  1 message in 7d · last 2026-10-27 07:35 · Jan Kiszka et al.
• proc filesystem
  1 message in 7d · last 2026-10-25 03:14
• credentials Supported
  1 message in 7d · last 2026-10-25 03:14 · Paul Moore
• filesystem direct access (dax) Supported
  1 message in 7d · last 2026-10-25 03:14 · Dan Williams
• scheduler
  1 message in 7d · last 2026-10-25 03:14 · Ingo Molnar et al.
• posix clocks and timers
  1 message in 7d · last 2026-10-25 03:14 · Anna-Maria Behnsen et al.
• networking [general]
  1 message in 7d · last 2026-10-25 03:14 · "David S. Miller" et al.
• selinux security module Supported
  1 message in 7d · last 2026-10-25 03:14 · Paul Moore et al.
• x86 vdso
  1 message in 7d · last 2026-10-25 03:13 · Andy Lutomirski
• module support
  1 message in 7d · last 2026-10-25 03:13 · Luis Chamberlain et al.
• gcc plugins
  1 message in 7d · last 2026-10-25 03:12 · Kees Cook
• mailbox api
  1 message in 7d · last 2026-10-23 23:55 · Jassi Brar
• qualcomm camera subsystem driver
  1 message in 7d · last 2026-10-23 15:09 · Bryan O'Donoghue
• kasan
  1 message in 7d · last 2026-10-23 01:50 · Andrey Ryabinin
• arm port Odd Fixes
  1 message in 7d · last 2026-10-23 01:50 · Russell King
• risc-v architecture Supported
  1 message in 7d · last 2026-10-23 01:50 · Paul Walmsley et al.
• usb typec class
  1 message in 7d · last 2026-10-22 16:42 · Heikki Krogerus
• apple bcm5974 multitouch driver Odd fixes
  1 message in 7d · last 2026-10-22 07:10 · Henrik Rydberg
• ati_remote2 driver
  1 message in 7d · last 2026-10-22 07:10 · Ville Syrjala
• phoenix rc flight controller adapter
  1 message in 7d · last 2026-10-22 07:09 · Marcus Folkesson