Active subsystems in lkml

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.

• networking drivers
  347 messages in 7d · last 2026-08-12 16:38 · Andrew Lunn et al.
• drm drivers
  315 messages in 7d · last 2026-08-12 15:54 · David Airlie et al.
• open firmware and flattened device tree bindings
  277 messages in 7d · last 2026-08-12 15:45 · Rob Herring et al.
• kernel selftest framework
  223 messages in 7d · last 2026-08-12 16:14 · Shuah Khan et al.
• drm drivers and misc gpu patches
  213 messages in 7d · last 2026-08-12 15:54 · Maarten Lankhorst et al.
• networking [general]
  205 messages in 7d · last 2026-08-12 14:56 · "David S. Miller" et al.
• memory management
  161 messages in 7d · last 2026-08-12 14:04 · Andrew Morton
• arm/qualcomm support
  152 messages in 7d · last 2026-08-12 15:16 · Bjorn Andersson et al.
• performance events subsystem Supported
  148 messages in 7d · last 2026-08-11 23:05 · Peter Zijlstra et al.
• x86 architecture (32-bit and 64-bit)
  139 messages in 7d · last 2026-08-12 15:37 · Thomas Gleixner et al.
• arm/qualcomm mailing list
  139 messages in 7d · last 2026-08-12 15:16
• tracing
  137 messages in 7d · last 2026-08-12 16:14 · Steven Rostedt et al.
• documentation
  124 messages in 7d · last 2026-08-12 16:14 · Jonathan Corbet
• usb subsystem Supported
  116 messages in 7d · last 2026-08-12 16:15 · Greg Kroah-Hartman
• scheduler
  114 messages in 7d · last 2026-08-12 15:10 · Ingo Molnar et al.
• arm64 port (aarch64 architecture)
  109 messages in 7d · last 2026-08-12 16:21 · Catalin Marinas et al.
• s390 architecture Supported
  107 messages in 7d · last 2026-08-12 15:55 · Heiko Carstens et al.
• dma generic offload engine subsystem
  98 messages in 7d · last 2026-08-12 15:58 · Vinod Koul
• sound
  98 messages in 7d · last 2026-08-12 14:48 · Jaroslav Kysela et al.
• common clk framework
  98 messages in 7d · last 2026-08-12 07:40 · Michael Turquette et al.
• iio subsystem and drivers
  94 messages in 7d · last 2026-08-12 14:31 · Jonathan Cameron
• media input infrastructure (v4l/dvb)
  89 messages in 7d · last 2026-08-12 15:16 · Mauro Carvalho Chehab
• kernel virtual machine for x86 (kvm/x86) Supported
  88 messages in 7d · last 2026-08-12 15:37 · Sean Christopherson et al.
• bpf [general] (safe dynamic programs and tools) Supported
  79 messages in 7d · last 2026-08-12 14:15 · Alexei Starovoitov et al.
• hyper-v/azure core and drivers Supported
  78 messages in 7d · last 2026-08-12 14:52 · "K. Y. Srinivasan" et al.
• rust Supported
  71 messages in 7d · last 2026-08-12 11:18 · Miguel Ojeda
• memory management - misc
  67 messages in 7d · last 2026-08-12 13:23 · Andrew Morton et al.
• acpi Supported
  64 messages in 7d · last 2026-08-12 15:34 · "Rafael J. Wysocki"
• sound - soc layer / dynamic audio power management (asoc) Supported
  62 messages in 7d · last 2026-08-12 10:15 · Liam Girdwood et al.
• pci subsystem Supported
  58 messages in 7d · last 2026-08-12 06:23 · Bjorn Helgaas
• memory technology devices (mtd)
  57 messages in 7d · last 2026-08-12 10:51 · Miquel Raynal et al.
• iommu subsystem
  54 messages in 7d · last 2026-08-12 09:42 · Joerg Roedel et al.
• crypto api
  52 messages in 7d · last 2026-08-12 16:34 · Herbert Xu et al.
• radeon and amdgpu drm drivers Supported
  51 messages in 7d · last 2026-08-12 14:48 · Alex Deucher et al.
• ethernet phy library
  50 messages in 7d · last 2026-08-12 15:47 · Andrew Lunn et al.
• risc-v architecture Supported
  50 messages in 7d · last 2026-08-12 09:29 · Paul Walmsley et al.
• kernel virtual machine for arm64 (kvm/arm64)
  49 messages in 7d · last 2026-08-12 15:37 · Marc Zyngier et al.
• memory management - thp (transparent huge page)
  48 messages in 7d · last 2026-08-12 14:04 · Andrew Morton et al.
• generic phy framework Supported
  48 messages in 7d · last 2026-08-12 09:34 · Vinod Koul
• pin control subsystem
  47 messages in 7d · last 2026-08-12 12:01 · Linus Walleij
• kernel virtual machine (kvm) Supported
  47 messages in 7d · last 2026-08-11 23:03 · Paolo Bonzini
• kernel virtual machine for s390 (kvm/s390) Supported
  45 messages in 7d · last 2026-08-12 15:55 · Christian Borntraeger et al.
• staging subsystem Supported
  43 messages in 7d · last 2026-08-12 16:18 · Greg Kroah-Hartman
• s390 zcrypt and pkey driver and ap bus Supported
  43 messages in 7d · last 2026-08-12 15:37 · Harald Freudenberger et al.
• x86 platform drivers
  43 messages in 7d · last 2026-08-12 14:48 · Hans de Goede et al.
• bpf [selftests] (test runners & infrastructure)
  38 messages in 7d · last 2026-08-12 11:12 · Andrii Nakryiko et al.
• drm panel drivers
  36 messages in 7d · last 2026-08-12 15:54 · Neil Armstrong
• linux for powerpc (32-bit and 64-bit) Supported
  36 messages in 7d · last 2026-08-12 15:20 · Madhavan Srinivasan
• arm mali panthor drm driver Supported
  36 messages in 7d · last 2026-08-12 14:08 · Boris Brezillon et al.
• drm drivers and common infrastructure [rust] Supported
  34 messages in 7d · last 2026-08-12 11:37 · Danilo Krummrich et al.
• drm drivers for bridge chips
  33 messages in 7d · last 2026-08-12 13:49 · Andrzej Hajda et al.
• core driver for nvidia gpus [rust] Supported
  33 messages in 7d · last 2026-08-12 11:37 · Danilo Krummrich et al.
• memory management - core
  33 messages in 7d · last 2026-08-12 11:32 · Andrew Morton et al.
• real time clock (rtc) subsystem
  33 messages in 7d · last 2026-08-12 07:45 · Alexandre Belloni
• networking [dsa]
  33 messages in 7d · last 2026-08-12 06:07 · Andrew Lunn et al.
• multifunction devices (mfd)
  33 messages in 7d · last 2026-08-11 23:11 · Lee Jones
• scsi subsystem
  32 messages in 7d · last 2026-08-12 12:27 · "James E.J. Bottomley" et al.
• memory management - mglru (multi-gen lru)
  32 messages in 7d · last 2026-08-12 12:22 · Andrew Morton
• i2c subsystem host drivers
  31 messages in 7d · last 2026-08-12 11:45 · Andi Shyti
• spi subsystem
  31 messages in 7d · last 2026-08-11 18:35 · Mark Brown
• control group - memory resource controller (memcg)
  30 messages in 7d · last 2026-08-12 12:49 · Johannes Weiner et al.
• memory management - reclaim
  30 messages in 7d · last 2026-08-12 12:22 · Andrew Morton et al.
• power supply class/subsystem and drivers
  29 messages in 7d · last 2026-08-12 15:34 · Sebastian Reichel
• reset controller framework
  29 messages in 7d · last 2026-08-12 14:19 · Philipp Zabel
• sff/sfp/sfp+ module support
  29 messages in 7d · last 2026-08-11 09:29 · Russell King
• spi nor subsystem
  28 messages in 7d · last 2026-08-12 10:51 · Pratyush Yadav et al.
• arm pmu profiling and debugging
  28 messages in 7d · last 2026-08-12 05:24 · Will Deacon et al.
• designware edma core ip driver
  27 messages in 7d · last 2026-08-12 15:58 · Manivannan Sadhasivam
• block layer
  27 messages in 7d · last 2026-08-12 13:54 · Jens Axboe
• hardware monitoring
  26 messages in 7d · last 2026-08-12 16:38 · Guenter Roeck
• ceph distributed file system client (ceph) Supported
  26 messages in 7d · last 2026-08-12 07:37 · Ilya Dryomov et al.
• multimedia card (mmc), secure digital (sd) and sdio subsystem
  25 messages in 7d · last 2026-08-12 11:21 · Ulf Hansson
• infiniband subsystem Supported
  25 messages in 7d · last 2026-08-12 10:05 · Jason Gunthorpe et al.
• nand flash subsystem
  24 messages in 7d · last 2026-08-12 10:37 · Miquel Raynal
• bluetooth subsystem Supported
  24 messages in 7d · last 2026-08-12 10:16 · Marcel Holtmann et al.
• irqchip drivers
  24 messages in 7d · last 2026-08-12 09:11 · Thomas Gleixner
• arm/freescale imx / mxc / layerscape arm architecture
  23 messages in 7d · last 2026-08-12 13:30 · Frank Li et al.
• pci native host bridge and endpoint drivers Supported
  23 messages in 7d · last 2026-08-12 06:23 · Lorenzo Pieralisi et al.
• scheduler - sched_ext
  23 messages in 7d · last 2026-08-12 06:11
• networking [mptcp]
  22 messages in 7d · last 2026-08-12 14:56 · Matthieu Baerts et al.
• filesystems [netfs library] Supported
  22 messages in 7d · last 2026-08-12 14:15 · David Howells et al.
• atmel macb ethernet driver
  22 messages in 7d · last 2026-08-12 08:04 · Théo Lebrun
• objtool Supported
  22 messages in 7d · last 2026-08-12 00:23 · Josh Poimboeuf et al.
• security subsystem Supported
  20 messages in 7d · last 2026-08-12 16:34 · Paul Moore et al.
• arm/apple machine support
  20 messages in 7d · last 2026-08-12 15:34 · Sven Peter et al.
• texas instruments dma drivers
  20 messages in 7d · last 2026-08-12 05:42 · Vignesh Raghavendra
• btrfs file system
  20 messages in 7d · last 2026-08-11 18:15 · Chris Mason et al.
• xfs filesystem Supported
  20 messages in 7d · last 2026-08-10 23:06 · Carlos Maiolino
• high-resolution timers, timer wheel, clockevents
  19 messages in 7d · last 2026-08-12 14:54 · Anna-Maria Behnsen et al.
• alpha port Odd Fixes
  19 messages in 7d · last 2026-08-12 03:33 · Richard Henderson et al.
• chinese documentation
  18 messages in 7d · last 2026-08-12 12:18 · Alex Shi et al.
• kernel smb3 server (ksmbd)
  18 messages in 7d · last 2026-08-12 10:39 · Namjae Jeon et al.
• usb networking drivers Odd Fixes
  18 messages in 7d · last 2026-08-12 05:49
• system control & power/management interface (scpi/scmi) message protocol drivers
  18 messages in 7d · last 2026-08-08 19:12 · Sudeep Holla
• marvell octeontx2 physical function driver
  17 messages in 7d · last 2026-08-12 16:06 · Sunil Goutham et al.
• tty layer and serial drivers Supported
  17 messages in 7d · last 2026-08-12 15:26 · Greg Kroah-Hartman et al.
• f2fs file system
  17 messages in 7d · last 2026-08-12 12:20 · Jaegeuk Kim et al.
• i3c subsystem
  17 messages in 7d · last 2026-08-11 10:39 · Alexandre Belloni
• bluetooth drivers Supported
  17 messages in 7d · last 2026-08-11 08:48 · Marcel Holtmann et al.
• arm/risc-v/renesas architecture Supported
  16 messages in 7d · last 2026-08-12 14:20 · Geert Uytterhoeven et al.