Active subsystems
100 subsystems with patch activity in the last 7 days, busiest first. Each links to a dashboard of patches, threads and reviewers.
| Subsystem | Messages, 7 days | Maintainer | Last |
|---|---|---|---|
| kernel selftest framework | 399 | Shuah Khan et al. | |
| networking [general] | 136 | "David S. Miller" et al. | |
| kernel virtual machine (kvm) Supported | 127 | Paolo Bonzini | |
| scheduler | 104 | Ingo Molnar et al. | |
| kernel virtual machine for x86 (kvm/x86) Supported | 90 | Sean Christopherson et al. | |
| bpf [general] (safe dynamic programs and tools) Supported | 75 | Alexei Starovoitov et al. | |
| x86 architecture (32-bit and 64-bit) | 60 | Thomas Gleixner et al. | |
| documentation | 59 | Jonathan Corbet | |
| control group (cgroup) | 59 | Tejun Heo et al. | |
| proc filesystem | 57 | none listed | |
| control group - cpuset | 53 | Waiman Long | |
| networking drivers | 45 | Andrew Lunn et al. | |
| bpf [selftests] (test runners & infrastructure) | 35 | Andrii Nakryiko et al. | |
| kernel virtual machine for arm64 (kvm/arm64) | 31 | Marc Zyngier et al. | |
| landlock security module Supported | 31 | Mickaël Salaün | |
| linux for powerpc (32-bit and 64-bit) Supported | 26 | Madhavan Srinivasan | |
| memory management | 23 | Andrew Morton | |
| security subsystem Supported | 21 | Paul Moore et al. | |
| risc-v architecture Supported | 21 | Paul Walmsley et al. | |
| vfio driver | 21 | Alex Williamson | |
| memory management - misc | 19 | Andrew Morton et al. | |
| kernel nfsd, sunrpc, and lockd servers Supported | 17 | Chuck Lever et al. | |
| scsi subsystem | 16 | "James E.J. Bottomley" et al. | |
| arm64 port (aarch64 architecture) | 15 | Catalin Marinas et al. | |
| locking primitives | 15 | Peter Zijlstra et al. | |
| sound | 15 | Jaroslav Kysela et al. | |
| nfs, sunrpc, and lockd clients | 14 | Trond Myklebust et al. | |
| tracing | 12 | Steven Rostedt et al. | |
| networking [tls] | 12 | John Fastabend et al. | |
| dpll subsystem Supported | 12 | Vadim Fedorenko et al. | |
| keys/keyrings | 11 | David Howells et al. | |
| futex subsystem | 10 | Thomas Gleixner et al. | |
| xdp (express data path) Supported | 9 | Alexei Starovoitov et al. | |
| bpf [tooling] (bpftool) | 9 | Quentin Monnet | |
| can network layer | 9 | Oliver Hartkopp et al. | |
| networking [ipv4/ipv6] | 8 | David Ahern et al. | |
| bpf [core] | 8 | Alexei Starovoitov et al. | |
| bpf [library] (libbpf) | 8 | Andrii Nakryiko et al. | |
| control group - memory resource controller (memcg) | 8 | Johannes Weiner et al. | |
| pressure stall information (psi) | 8 | Johannes Weiner et al. | |
| pnp support | 8 | "Rafael J. Wysocki" | |
| read-copy update (rcu) Supported | 8 | "Paul E. McKenney" et al. | |
| s390 architecture Supported | 7 | Heiko Carstens et al. | |
| memory management - ksm (kernel samepage merging) | 7 | David Hildenbrand | |
| yaml netlink (ynl) | 7 | Donald Hunter et al. | |
| live update | 7 | Pasha Tatashin et al. | |
| tensilica xtensa port (xtensa) | 7 | Chris Zankel et al. | |
| proc sysctl | 7 | Kees Cook et al. | |
| linux kernel memory consistency model (lkmm) Supported | 7 | Alan Stern et al. | |
| vm sockets (af_vsock) | 7 | Stefano Garzarella | |
| usb gadget/peripheral subsystem Supported | 6 | Neill Kapron | |
| usb subsystem Supported | 6 | Greg Kroah-Hartman | |
| memory management - allocation profiling (alloc tag) | 6 | Suren Baghdasaryan | |
| m68k architecture | 6 | Geert Uytterhoeven | |
| isapnp | 6 | Jaroslav Kysela | |
| pci subsystem Supported | 6 | Bjorn Helgaas | |
| x86 platform drivers | 6 | Hans de Goede et al. | |
| block layer | 5 | Jens Axboe | |
| chinese documentation | 5 | Alex Shi et al. | |
| fsverity: read-only file-based authenticity protection Supported | 5 | Eric Biggers et al. | |
| bpf [tracing] | 5 | Song Liu | |
| bpf [security & lsm] (security audit and enforcement using bpf) | 5 | KP Singh et al. | |
| mellanox mlx5 core vpi driver | 5 | Saeed Mahameed et al. | |
| amt (automatic multicast tunneling) | 5 | Taehee Yoo | |
| cirrus logic dsp firmware driver Supported | 5 | Simon Trimmer et al. | |
| sparc + ultrasparc (sparc/sparc64) | 5 | "David S. Miller" et al. | |
| toshiba acpi extras driver | 5 | Azael Avalos | |
| intel pro/wireless 2100, 2200bg, 2915abg network connection support | 5 | Stanislav Yakovlev | |
| user-mode linux (uml) | 5 | Richard Weinberger et al. | |
| ntfs3 filesystem Supported | 5 | Konstantin Komarov | |
| openvswitch | 4 | Aaron Conole et al. | |
| hsr network protocol Orphan | 4 | none listed | |
| networking [unix sockets] | 4 | Kuniyuki Iwashima | |
| kernel unit testing framework (kunit) | 4 | Brendan Higgins et al. | |
| memory management - thp (transparent huge page) | 4 | David Hildenbrand et al. | |
| kdump | 4 | Andrew Morton et al. | |
| arm port Odd Fixes | 4 | Russell King | |
| common internet file system client (cifs and smb3) Supported | 4 | Paulo Alcantara et al. | |
| secure computing Supported | 4 | Kees Cook | |
| selinux security module Supported | 3 | Paul Moore et al. | |
| ipc | 3 | Andrew Morton | |
| bpf [networking] (tcx & tc bpf, sock_addr) | 3 | Daniel Borkmann | |
| networking [tcp] | 3 | Eric Dumazet et al. | |
| vfio selftests | 3 | David Matlack | |
| tc subsystem | 3 | Jamal Hadi Salim et al. | |
| broadcom bnxt_en 50 gigabit ethernet driver | 3 | Michael Chan et al. | |
| exec & binfmt api, elf Supported | 3 | Kees Cook | |
| psp security protocol | 3 | Daniel Zahka et al. | |
| sctp protocol | 3 | Marcelo Ricardo Leitner et al. | |
| input (keyboard, mouse, joystick, touchscreen) drivers | 3 | Dmitry Torokhov | |
| memory management - swap | 3 | Andrew Morton et al. | |
| srm (alpha) environment access | 3 | Jan-Benedict Glaw | |
| alpha port Odd Fixes | 3 | Richard Henderson et al. | |
| superh | 3 | Yoshinori Sato et al. | |
| acpi Supported | 3 | "Rafael J. Wysocki" | |
| dell laptop smm driver | 3 | Pali Rohár | |
| hardware monitoring | 3 | Guenter Roeck | |
| linux for power macintosh Orphan | 3 | none listed | |
| thinkpad acpi extras driver | 3 | Henrique de Moraes Holschuh | |
| s390 common i/o layer Supported | 3 | Vineeth Vijayan et al. |