Active subsystems in linux-kbuild

59 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
  28 messages in 7d · last 2026-10-27 20:22 · Jason Baron et al.
• kernel selftest framework
  15 messages in 7d · last 2026-10-28 12:00 · Shuah Khan et al.
• generic include/asm header files
  10 messages in 7d · last 2026-10-28 12:01 · Arnd Bergmann
• kernel build + files below scripts/ (unless maintained elsewhere) Odd Fixes
  7 messages in 7d · last 2026-10-28 12:01 · Nathan Chancellor et al.
• documentation
  6 messages in 7d · last 2026-10-28 12:00 · Jonathan Corbet
• x86 architecture (32-bit and 64-bit)
  4 messages in 7d · last 2026-10-28 12:01 · Thomas Gleixner et al.
• arm port Odd Fixes
  4 messages in 7d · last 2026-10-23 06:50 · Russell King
• documentation process
  3 messages in 7d · last 2026-10-28 12:00 · Jonathan Corbet
• drm drivers
  3 messages in 7d · last 2026-10-28 12:00 · David Airlie et al.
• module support
  3 messages in 7d · last 2026-10-27 20:22 · Luis Chamberlain et al.
• gcov based kernel profiling
  2 messages in 7d · last 2026-10-28 12:01 · Peter Oberparleiter
• alpha port Odd Fixes
  2 messages in 7d · last 2026-10-28 12:00 · Richard Henderson et al.
• linux for powerpc (32-bit and 64-bit) Supported
  2 messages in 7d · last 2026-10-28 12:00 · Madhavan Srinivasan
• s390 architecture Supported
  2 messages in 7d · last 2026-10-28 12:00 · Heiko Carstens et al.
• tensilica xtensa port (xtensa)
  2 messages in 7d · last 2026-10-28 12:00 · Chris Zankel et al.
• extensible firmware interface (efi)
  2 messages in 7d · last 2026-10-28 12:00 · Ard Biesheuvel
• sbom
  2 messages in 7d · last 2026-10-28 12:00 · Luis Augenstein et al.
• drm drivers and misc gpu patches
  2 messages in 7d · last 2026-10-27 20:22 · Maarten Lankhorst et al.
• qualcomm hexagon architecture Supported
  2 messages in 7d · last 2026-10-23 06:50 · Brian Cain
• user-mode linux (uml)
  1 message in 7d · last 2026-10-28 12:01 · Richard Weinberger et al.
• kconfig Odd Fixes
  1 message in 7d · last 2026-10-28 12:01 · Nathan Chancellor et al.
• chinese documentation
  1 message in 7d · last 2026-10-28 12:00 · Alex Shi et al.
• traditional chinese documentation
  1 message in 7d · last 2026-10-28 12:00 · Chen-Yu Yeh et al.
• parisc architecture
  1 message in 7d · last 2026-10-28 12:00 · "James E.J. Bottomley" et al.
• superh
  1 message in 7d · last 2026-10-28 12:00 · Yoshinori Sato et al.
• radeon and amdgpu drm drivers Supported
  1 message in 7d · last 2026-10-28 12:00 · Alex Deucher et al.
• amd display core Supported
  1 message in 7d · last 2026-10-28 12:00 · Harry Wentland et al.
• intel drm i915 driver (meteor lake, dg2 and older excluding poulsbo, moorestown and derivative) Supported
  1 message in 7d · last 2026-10-28 12:00 · Jani Nikula et al.
• intel drm xe driver (lunar lake and newer) Supported
  1 message in 7d · last 2026-10-28 12:00 · Matthew Brost et al.
• io_uring
  1 message in 7d · last 2026-10-28 12:00 · Jens Axboe
• tracing
  1 message in 7d · last 2026-10-28 12:00 · Steven Rostedt et al.
• crypto library
  1 message in 7d · last 2026-10-28 12:00 · Eric Biggers et al.
• ethernet bridge
  1 message in 7d · last 2026-10-28 12:00 · Nikolay Aleksandrov et al.
• networking [general]
  1 message in 7d · last 2026-10-28 12:00 · "David S. Miller" et al.
• netfilter
  1 message in 7d · last 2026-10-28 12:00 · Pablo Neira Ayuso et al.
• ipvs
  1 message in 7d · last 2026-10-28 12:00 · Simon Horman et al.
• rds - reliable datagram sockets Supported
  1 message in 7d · last 2026-10-28 12:00 · Allison Henderson
• printk
  1 message in 7d · last 2026-10-27 20:22 · Petr Mladek et al.
• kcov
  1 message in 7d · last 2026-10-27 16:35
• locking primitives
  1 message in 7d · last 2026-10-27 16:35 · Peter Zijlstra et al.
• read-copy update (rcu) Supported
  1 message in 7d · last 2026-10-27 16:35 · "Paul E. McKenney" et al.
• scheduler
  1 message in 7d · last 2026-10-27 16:35 · Ingo Molnar et al.
• memory management
  1 message in 7d · last 2026-10-27 16:35 · Andrew Morton
• open firmware and flattened device tree
  1 message in 7d · last 2026-10-23 22:33 · Rob Herring et al.
• arm64 port (aarch64 architecture)
  1 message in 7d · last 2026-10-23 06:50 · Catalin Marinas et al.
• loongarch
  1 message in 7d · last 2026-10-23 06:50 · Huacai Chen
• mips
  1 message in 7d · last 2026-10-23 06:50 · Thomas Bogendoerfer
• cell broadband engine architecture Orphan
  1 message in 7d · last 2026-10-23 06:50
• spu file system Orphan
  1 message in 7d · last 2026-10-23 06:50
• networking drivers
  1 message in 7d · last 2026-10-23 06:50 · Andrew Lunn et al.
• kernel virtual machine (kvm) Supported
  1 message in 7d · last 2026-10-23 06:50 · Paolo Bonzini
• generic vdso library
  1 message in 7d · last 2026-10-23 06:50 · Andy Lutomirski et al.
• arm primecell uart pl010 and pl011 drivers Odd Fixes
  1 message in 7d · last 2026-10-23 06:50 · Russell King
• sparse checker
  1 message in 7d · last 2026-10-23 06:50 · Chris Li
• arm/footbridge architecture
  1 message in 7d · last 2026-10-23 06:50 · Russell King
• arm/riscpc architecture
  1 message in 7d · last 2026-10-23 06:50 · Russell King
• pxa2xx/pxa3xx support
  1 message in 7d · last 2026-10-23 06:50 · Daniel Mack et al.
• broadcom bcm7xxx arm architecture
  1 message in 7d · last 2026-10-23 06:50 · Florian Fainelli
• secure monitor call(smc) calling convention (smccc)
  1 message in 7d · last 2026-10-23 06:49 · Mark Rutland et al.