Active subsystems in bpf

75 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.

• bpf [general] (safe dynamic programs and tools) Supported
  246 messages in 7d · last 2026-08-15 06:46 · Alexei Starovoitov et al.
• kernel selftest framework
  115 messages in 7d · last 2026-08-15 06:46 · Shuah Khan et al.
• bpf [selftests] (test runners & infrastructure)
  109 messages in 7d · last 2026-08-15 06:46 · Andrii Nakryiko et al.
• bpf [core]
  83 messages in 7d · last 2026-08-15 06:46 · Alexei Starovoitov et al.
• networking drivers
  30 messages in 7d · last 2026-08-15 02:49 · Andrew Lunn et al.
• networking [general]
  26 messages in 7d · last 2026-08-14 17:30 · "David S. Miller" et al.
• x86 architecture (32-bit and 64-bit)
  16 messages in 7d · last 2026-08-14 23:52 · Thomas Gleixner et al.
• arm64 port (aarch64 architecture)
  16 messages in 7d · last 2026-08-13 20:02 · Catalin Marinas et al.
• bpf [tooling] (bpftool)
  13 messages in 7d · last 2026-08-14 17:32 · Quentin Monnet
• bpf jit for arm64 Supported
  11 messages in 7d · last 2026-08-13 20:02 · Daniel Borkmann et al.
• bpf [library] (libbpf)
  10 messages in 7d · last 2026-08-14 17:32 · Andrii Nakryiko et al.
• bpf jit for risc-v (64-bit)
  9 messages in 7d · last 2026-08-14 06:42 · Björn Töpel
• risc-v architecture Supported
  9 messages in 7d · last 2026-08-14 06:42 · Paul Walmsley et al.
• documentation
  9 messages in 7d · last 2026-08-13 20:03 · Jonathan Corbet
• bpf jit for x86 64-bit Supported
  8 messages in 7d · last 2026-08-14 22:03 · Alexei Starovoitov et al.
• tracing
  8 messages in 7d · last 2026-08-13 06:05 · Steven Rostedt et al.
• bpf [networking] (tcx & tc bpf, sock_addr)
  7 messages in 7d · last 2026-08-14 08:14 · Daniel Borkmann
• scheduler - sched_ext
  6 messages in 7d · last 2026-08-15 05:49
• bpf [security & lsm] (security audit and enforcement using bpf)
  6 messages in 7d · last 2026-08-13 06:05 · KP Singh et al.
• bpf [tracing]
  6 messages in 7d · last 2026-08-13 06:05 · Song Liu
• scheduler
  5 messages in 7d · last 2026-08-15 05:49 · Ingo Molnar et al.
• xdp sockets (af_xdp)
  5 messages in 7d · last 2026-08-13 21:53 · Magnus Karlsson et al.
• read-copy update (rcu) Supported
  5 messages in 7d · last 2026-08-10 12:28 · "Paul E. McKenney" et al.
• stmmac ethernet driver
  4 messages in 7d · last 2026-08-13 19:08 · Maxime Chevallier
• mips
  4 messages in 7d · last 2026-08-13 17:05 · Thomas Bogendoerfer
• memory management
  3 messages in 7d · last 2026-08-14 18:49 · Andrew Morton
• bpf [ringbuf]
  3 messages in 7d · last 2026-08-14 12:49 · Andrii Nakryiko
• bpf jit for risc-v (32-bit)
  3 messages in 7d · last 2026-08-14 01:29 · Luke Nelson et al.
• mellanox mlx5 core vpi driver
  3 messages in 7d · last 2026-08-13 19:08 · Saeed Mahameed et al.
• networking [sockets]
  3 messages in 7d · last 2026-08-13 11:20 · Eric Dumazet et al.
• selinux security module Supported
  3 messages in 7d · last 2026-08-13 00:26 · Paul Moore et al.
• memory management - core
  3 messages in 7d · last 2026-08-12 11:12 · Andrew Morton et al.
• bpf jit for s390 Supported
  3 messages in 7d · last 2026-08-11 13:16 · Ilya Leoshkevich et al.
• s390 architecture Supported
  3 messages in 7d · last 2026-08-11 13:16 · Heiko Carstens et al.
• hid core layer
  2 messages in 7d · last 2026-08-14 23:27 · Jiri Kosina et al.
• control group (cgroup)
  2 messages in 7d · last 2026-08-14 07:51 · Tejun Heo et al.
• intel ethernet drivers
  2 messages in 7d · last 2026-08-13 19:08 · Tony Nguyen et al.
• libeth common ethernet library
  2 messages in 7d · last 2026-08-13 19:08 · Alexander Lobakin
• marvell octeontx2 rvu admin function driver
  2 messages in 7d · last 2026-08-13 08:28 · Sunil Goutham et al.
• marvell octeontx2 physical function driver
  2 messages in 7d · last 2026-08-13 08:28 · Sunil Goutham et al.
• performance events subsystem Supported
  2 messages in 7d · last 2026-08-13 06:05 · Peter Zijlstra et al.
• cachefiles: fs-cache backend for caching on mounted filesystems Supported
  2 messages in 7d · last 2026-08-12 14:15 · David Howells
• filesystems [netfs library] Supported
  2 messages in 7d · last 2026-08-12 14:15 · David Howells et al.
• memory mapping
  2 messages in 7d · last 2026-08-12 11:12 · Andrew Morton et al.
• bpf jit for mips (32-bit and 64-bit)
  2 messages in 7d · last 2026-08-10 19:42 · Johan Almbladh et al.
• arm pmu profiling and debugging
  2 messages in 7d · last 2026-08-10 16:46 · Will Deacon et al.
• memory management - secretmem
  1 message in 7d · last 2026-08-14 18:49 · Andrew Morton et al.
• memory management - misc
  1 message in 7d · last 2026-08-14 18:49 · Andrew Morton et al.
• networking [tcp]
  1 message in 7d · last 2026-08-14 17:30 · Eric Dumazet et al.
• user datagram protocol (udp)
  1 message in 7d · last 2026-08-14 08:14 · Willem de Bruijn
• control group - memory resource controller (memcg)
  1 message in 7d · last 2026-08-14 07:51 · Johannes Weiner et al.
• sparc + ultrasparc (sparc/sparc64)
  1 message in 7d · last 2026-08-13 17:07 · "David S. Miller" et al.
• tensilica xtensa port (xtensa)
  1 message in 7d · last 2026-08-13 17:06 · Chris Zankel et al.
• user-mode linux (uml)
  1 message in 7d · last 2026-08-13 17:06 · Richard Weinberger et al.
• superh
  1 message in 7d · last 2026-08-13 17:06 · Yoshinori Sato et al.
• parisc architecture
  1 message in 7d · last 2026-08-13 17:05 · "James E.J. Bottomley" et al.
• openrisc architecture
  1 message in 7d · last 2026-08-13 17:05 · Jonas Bonn et al.
• microblaze architecture Supported
  1 message in 7d · last 2026-08-13 17:05 · Michal Simek
• c-sky architecture Supported
  1 message in 7d · last 2026-08-13 17:05 · Guo Ren
• arm port Odd Fixes
  1 message in 7d · last 2026-08-13 17:04 · Russell King
• alpha port Odd Fixes
  1 message in 7d · last 2026-08-13 17:04 · Richard Henderson et al.
• audit subsystem Supported
  1 message in 7d · last 2026-08-13 17:04 · Paul Moore et al.
• generic entry code
  1 message in 7d · last 2026-08-13 17:04 · Thomas Gleixner et al.
• bpf [l7 framework] (sockmap)
  1 message in 7d · last 2026-08-13 12:42 · John Fastabend et al.
• bpf jit for x86 32-bit Odd Fixes
  1 message in 7d · last 2026-08-13 12:01 · Wang YanQing
• bpf jit for loongarch
  1 message in 7d · last 2026-08-13 04:53 · Tiezhu Yang
• loongarch
  1 message in 7d · last 2026-08-13 04:53 · Huacai Chen
• documentation process
  1 message in 7d · last 2026-08-12 12:18 · Jonathan Corbet
• portuguese (brazilian) translation
  1 message in 7d · last 2026-08-12 12:18 · Daniel Pereira
• spanish documentation
  1 message in 7d · last 2026-08-12 12:18 · Carlos Bilbao
• chinese documentation
  1 message in 7d · last 2026-08-12 12:18 · Alex Shi et al.
• traditional chinese documentation
  1 message in 7d · last 2026-08-12 12:18 · Hu Haowen
• tc subsystem
  1 message in 7d · last 2026-08-10 16:44 · Jamal Hadi Salim et al.
• torture-test modules Supported
  1 message in 7d · last 2026-08-10 12:28 · Davidlohr Bueso et al.
• hugetlb subsystem
  1 message in 7d · last 2026-08-10 11:07 · Muchun Song et al.