Active subsystems in linux-um

36 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.

• superh
  8 messages in 7d · last 2026-09-02 14:46 · Yoshinori Sato et al.
• sparc + ultrasparc (sparc/sparc64)
  5 messages in 7d · last 2026-09-02 14:46 · "David S. Miller" et al.
• x86 architecture (32-bit and 64-bit)
  5 messages in 7d · last 2026-09-01 14:58 · Thomas Gleixner et al.
• memory management
  5 messages in 7d · last 2026-09-01 11:08 · Andrew Morton
• m68k architecture
  5 messages in 7d · last 2026-09-01 11:08 · Geert Uytterhoeven
• tensilica xtensa port (xtensa)
  4 messages in 7d · last 2026-09-02 14:47 · Chris Zankel et al.
• user-mode linux (uml)
  4 messages in 7d · last 2026-09-02 14:46 · Richard Weinberger et al.
• parisc architecture
  4 messages in 7d · last 2026-09-02 14:46 · "James E.J. Bottomley" et al.
• openrisc architecture
  4 messages in 7d · last 2026-09-02 14:46 · Jonas Bonn et al.
• microblaze architecture Supported
  4 messages in 7d · last 2026-09-02 14:45 · Michal Simek
• c-sky architecture Supported
  4 messages in 7d · last 2026-09-02 14:45 · Guo Ren
• arm port Odd Fixes
  4 messages in 7d · last 2026-09-02 14:45 · Russell King
• memory management - core
  4 messages in 7d · last 2026-09-01 11:08 · Andrew Morton et al.
• mips
  3 messages in 7d · last 2026-09-02 14:45 · Thomas Bogendoerfer
• arm64 port (aarch64 architecture)
  3 messages in 7d · last 2026-09-02 14:45 · Catalin Marinas et al.
• alpha port Odd Fixes
  3 messages in 7d · last 2026-09-02 14:44 · Richard Henderson et al.
• loongarch
  3 messages in 7d · last 2026-09-01 11:08 · Huacai Chen
• synopsys arc architecture Supported
  3 messages in 7d · last 2026-09-01 11:08 · Vineet Gupta
• qualcomm hexagon architecture Supported
  3 messages in 7d · last 2026-09-01 11:08 · Brian Cain
• nios2 architecture Supported
  3 messages in 7d · last 2026-09-01 11:08 · Dinh Nguyen et al.
• risc-v architecture Supported
  3 messages in 7d · last 2026-09-01 11:08 · Paul Walmsley et al.
• software raid (multiple disks) support Supported
  2 messages in 7d · last 2026-09-01 14:58 · Song Liu et al.
• linux for powerpc (32-bit and 64-bit) Supported
  2 messages in 7d · last 2026-09-01 11:08 · Madhavan Srinivasan
• s390 architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Heiko Carstens et al.
• generic include/asm header files
  2 messages in 7d · last 2026-09-01 11:08 · Arnd Bergmann
• audit subsystem Supported
  1 message in 7d · last 2026-09-02 14:44 · Paul Moore et al.
• generic entry code
  1 message in 7d · last 2026-09-02 14:44 · Thomas Gleixner et al.
• crypto library
  1 message in 7d · last 2026-09-01 14:58 · Eric Biggers et al.
• crc library
  1 message in 7d · last 2026-09-01 14:58 · Eric Biggers
• memory management - misc
  1 message in 7d · last 2026-09-01 11:08 · Andrew Morton et al.
• memory mapping - locking
  1 message in 7d · last 2026-09-01 11:08 · Andrew Morton et al.
• documentation
  1 message in 7d · last 2026-09-01 11:08 · Jonathan Corbet
• mmu gather and tlb invalidation
  1 message in 7d · last 2026-09-01 11:08 · Will Deacon et al.
• memory management - gup (get user pages)
  1 message in 7d · last 2026-09-01 11:08 · Andrew Morton et al.
• memory management - thp (transparent huge page)
  1 message in 7d · last 2026-09-01 11:05 · Andrew Morton et al.
• s390 mm Supported
  1 message in 7d · last 2026-08-31 05:44 · Alexander Gordeev et al.