Active subsystems in linux-riscv

100 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.

• risc-v architecture Supported
  39 messages in 7d · last 2026-09-06 08:08 · Paul Walmsley et al.
• kernel selftest framework
  27 messages in 7d · last 2026-09-05 08:54 · Shuah Khan et al.
• networking drivers
  26 messages in 7d · last 2026-09-04 04:42 · Andrew Lunn et al.
• kernel virtual machine (kvm) Supported
  22 messages in 7d · last 2026-09-02 16:41 · Paolo Bonzini
• networking [dsa]
  16 messages in 7d · last 2026-09-04 04:40 · Andrew Lunn et al.
• open firmware and flattened device tree bindings
  13 messages in 7d · last 2026-09-04 16:48 · Rob Herring et al.
• x86 architecture (32-bit and 64-bit)
  12 messages in 7d · last 2026-09-04 19:52 · Thomas Gleixner et al.
• common clk framework
  11 messages in 7d · last 2026-09-05 20:48 · Stephen Boyd et al.
• memory management
  11 messages in 7d · last 2026-09-03 09:29 · Andrew Morton
• multimedia card (mmc), secure digital (sd) and sdio subsystem
  11 messages in 7d · last 2026-09-02 08:05 · Ulf Hansson
• arm64 port (aarch64 architecture)
  9 messages in 7d · last 2026-09-04 19:51 · Catalin Marinas et al.
• bpf jit for risc-v (64-bit)
  8 messages in 7d · last 2026-09-05 08:54 · Björn Töpel
• loongarch
  8 messages in 7d · last 2026-09-04 10:18 · Huacai Chen
• generic include/asm header files
  8 messages in 7d · last 2026-09-03 07:41 · Arnd Bergmann
• s390 architecture Supported
  7 messages in 7d · last 2026-09-04 19:51 · Heiko Carstens et al.
• arm/allwinner sunxi soc support
  7 messages in 7d · last 2026-09-04 16:49 · Chen-Yu Tsai et al.
• drm drivers
  7 messages in 7d · last 2026-09-04 13:27 · David Airlie et al.
• drm drivers and misc gpu patches
  7 messages in 7d · last 2026-09-04 13:27 · Maarten Lankhorst et al.
• arm port Odd Fixes
  7 messages in 7d · last 2026-09-04 10:18 · Russell King
• can network drivers
  7 messages in 7d · last 2026-09-04 04:36 · Marc Kleine-Budde et al.
• bpf [general] (safe dynamic programs and tools) Supported
  6 messages in 7d · last 2026-09-05 08:54 · Alexei Starovoitov et al.
• drm drivers for bridge chips
  6 messages in 7d · last 2026-09-04 13:27 · Andrzej Hajda et al.
• x86 mm
  6 messages in 7d · last 2026-09-04 10:19 · Dave Hansen et al.
• bpf [selftests] (test runners & infrastructure)
  5 messages in 7d · last 2026-09-05 08:54 · Andrii Nakryiko et al.
• bpf jit for risc-v (32-bit)
  5 messages in 7d · last 2026-09-05 08:54 · Luke Nelson et al.
• linux for powerpc (32-bit and 64-bit) Supported
  5 messages in 7d · last 2026-09-04 19:51 · Madhavan Srinivasan
• dma mapping helpers Supported
  5 messages in 7d · last 2026-09-04 10:19 · Marek Szyprowski
• iommu subsystem
  5 messages in 7d · last 2026-09-04 09:21 · Joerg Roedel et al.
• risc-v iommu
  5 messages in 7d · last 2026-09-04 09:21 · Tomasz Jeznach
• irqchip drivers
  4 messages in 7d · last 2026-09-06 08:10 · Thomas Gleixner
• generic phy framework Supported
  4 messages in 7d · last 2026-09-04 13:27 · Vinod Koul
• innosilicon hdmi bridge driver
  4 messages in 7d · last 2026-09-04 13:27 · Andy Yan
• mips
  4 messages in 7d · last 2026-09-04 10:18 · Thomas Bogendoerfer
• ethernet phy library
  4 messages in 7d · last 2026-09-04 04:42 · Andrew Lunn et al.
• vmalloc
  4 messages in 7d · last 2026-09-03 09:29 · Andrew Morton et al.
• superh
  4 messages in 7d · last 2026-09-03 07:41 · Yoshinori Sato et al.
• sparc + ultrasparc (sparc/sparc64)
  4 messages in 7d · last 2026-09-03 07:41 · "David S. Miller" et al.
• kernel virtual machine for arm64 (kvm/arm64)
  4 messages in 7d · last 2026-09-02 16:41 · Marc Zyngier et al.
• memory management - core
  4 messages in 7d · last 2026-09-02 11:58 · Andrew Morton et al.
• m68k architecture
  4 messages in 7d · last 2026-09-01 11:08 · Geert Uytterhoeven
• kernel virtual machine for risc-v (kvm/riscv)
  3 messages in 7d · last 2026-09-06 08:08 · Anup Patel
• documentation
  3 messages in 7d · last 2026-09-04 10:19 · Jonathan Corbet
• acpi for risc-v (acpi/riscv)
  3 messages in 7d · last 2026-09-03 14:00 · Sunil V L
• acpi Supported
  3 messages in 7d · last 2026-09-03 14:00 · "Rafael J. Wysocki"
• kernel virtual machine for x86 (kvm/x86) Supported
  3 messages in 7d · last 2026-09-02 16:41 · Sean Christopherson et al.
• kernel virtual machine for loongarch (kvm/loongarch)
  3 messages in 7d · last 2026-09-02 16:41 · Tianrui Zhao et al.
• openrisc architecture
  3 messages in 7d · last 2026-09-02 11:58 · Jonas Bonn et al.
• arm pmu profiling and debugging
  2 messages in 7d · last 2026-09-06 04:29 · Will Deacon et al.
• risc-v spacemit soc support
  2 messages in 7d · last 2026-09-05 17:05 · Yixun Lan
• risc-v microchip support Supported
  2 messages in 7d · last 2026-09-04 17:23 · Conor Dooley et al.
• starfive soc drivers
  2 messages in 7d · last 2026-09-04 13:27 · Conor Dooley
• mediatek switch driver
  2 messages in 7d · last 2026-09-04 04:38 · Chester A. Unal et al.
• alpha port Odd Fixes
  2 messages in 7d · last 2026-09-03 07:41 · Richard Henderson et al.
• kernel virtual machine for s390 (kvm/s390) Supported
  2 messages in 7d · last 2026-09-02 16:41 · Christian Borntraeger et al.
• memory management - misc
  2 messages in 7d · last 2026-09-02 11:59 · Andrew Morton et al.
• iio subsystem and drivers
  2 messages in 7d · last 2026-09-02 09:28 · Jonathan Cameron
• open firmware and flattened device tree
  2 messages in 7d · last 2026-09-02 07:34 · Rob Herring et al.
• memblock and memory management initialization
  2 messages in 7d · last 2026-09-02 07:33 · Mike Rapoport
• c-sky architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Guo Ren
• qualcomm hexagon architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Brian Cain
• nios2 architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Dinh Nguyen et al.
• synopsys arc architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Vineet Gupta
• microblaze architecture Supported
  2 messages in 7d · last 2026-09-01 11:08 · Michal Simek
• tensilica xtensa port (xtensa)
  2 messages in 7d · last 2026-09-01 11:08 · Chris Zankel et al.
• risc-v pmu drivers Supported
  1 message in 7d · last 2026-09-06 04:29 · Atish Patra
• risc-v tenstorrent soc support
  1 message in 7d · last 2026-09-05 20:48 · Drew Fustini et al.
• kexec
  1 message in 7d · last 2026-09-05 14:59 · Andrew Morton et al.
• pcie driver for eswin
  1 message in 7d · last 2026-09-05 13:43 · Senchuan Zhang
• pci subsystem Supported
  1 message in 7d · last 2026-09-05 13:43 · Bjorn Helgaas
• pci native host bridge and endpoint drivers Supported
  1 message in 7d · last 2026-09-05 13:43 · Lorenzo Pieralisi et al.
• bpf jit for x86 64-bit Supported
  1 message in 7d · last 2026-09-04 19:52 · Alexei Starovoitov et al.
• bpf jit for arm64 Supported
  1 message in 7d · last 2026-09-04 19:51 · Daniel Borkmann et al.
• bpf jit for powerpc (32-bit and 64-bit) Supported
  1 message in 7d · last 2026-09-04 19:51 · Hari Bathini et al.
• bpf jit for s390 Supported
  1 message in 7d · last 2026-09-04 19:51 · Ilya Leoshkevich et al.
• reset controller framework
  1 message in 7d · last 2026-09-04 16:48 · Philipp Zabel
• starfive devicetrees
  1 message in 7d · last 2026-09-04 13:27 · Emil Renner Berthing et al.
• drm drivers for verisilicon display controller ip
  1 message in 7d · last 2026-09-04 13:27 · Icenowy Zheng
• starfive jh7110 syscon Supported
  1 message in 7d · last 2026-09-04 13:27 · William Qiu et al.
• multifunction devices (mfd)
  1 message in 7d · last 2026-09-04 13:27 · Lee Jones
• mips/loongson64 architecture
  1 message in 7d · last 2026-09-04 10:18 · Huacai Chen et al.
• broadcom genet ethernet driver
  1 message in 7d · last 2026-09-04 04:42 · Doug Berger et al.
• broadcom asp 2.0 ethernet driver Supported
  1 message in 7d · last 2026-09-04 04:39 · Justin Chen et al.
• marvell 88e6xxx ethernet switch fabric driver
  1 message in 7d · last 2026-09-04 04:38 · Andrew Lunn
• mcan device driver
  1 message in 7d · last 2026-09-04 04:36 · Markus Schneider-Pargmann
• bxcan can network driver
  1 message in 7d · last 2026-09-04 04:34 · Dario Binacchi
• memory management - execmem
  1 message in 7d · last 2026-09-03 09:29 · Andrew Morton et al.
• hibernation (aka software suspend, aka swsusp) Supported
  1 message in 7d · last 2026-09-03 09:29 · "Rafael J. Wysocki"
• suspend to ram Supported
  1 message in 7d · last 2026-09-03 09:29 · "Rafael J. Wysocki"
• memory management - secretmem
  1 message in 7d · last 2026-09-03 09:29 · Andrew Morton et al.
• generic pm domains Supported
  1 message in 7d · last 2026-09-03 09:24 · Ulf Hansson
• risc-v rpmi and mpxy drivers
  1 message in 7d · last 2026-09-03 09:24 · Rahul Pathak et al.
• memory management - mglru (multi-gen lru)
  1 message in 7d · last 2026-09-02 11:57 · Andrew Morton
• memory management - reclaim
  1 message in 7d · last 2026-09-02 11:57 · Andrew Morton et al.
• performance events subsystem Supported
  1 message in 7d · last 2026-09-02 09:32 · Peter Zijlstra et al.
• spi subsystem
  1 message in 7d · last 2026-09-02 09:27 · Mark Brown
• kdump
  1 message in 7d · last 2026-09-02 07:32 · Andrew Morton et al.
• clocksource, clockevent drivers Supported
  1 message in 7d · last 2026-09-02 04:24 · Daniel Lezcano et al.
• memory mapping - locking
  1 message in 7d · last 2026-09-01 11:08 · Andrew Morton et al.
• parisc architecture
  1 message in 7d · last 2026-09-01 11:08 · "James E.J. Bottomley" et al.
• user-mode linux (uml)
  1 message in 7d · last 2026-09-01 11:08 · Richard Weinberger et al.