Active subsystems in virtualization

93 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.

• drm drivers
  16 messages in 7d · last 2026-09-17 10:26 · David Airlie et al.
• drm drivers and misc gpu patches
  11 messages in 7d · last 2026-09-17 10:26 · Maarten Lankhorst et al.
• networking [general]
  10 messages in 7d · last 2026-09-15 17:31 · "David S. Miller" et al.
• virtio core
  10 messages in 7d · last 2026-09-15 03:14 · "Michael S. Tsirkin" et al.
• remote processor (remoteproc) subsystem
  9 messages in 7d · last 2026-09-16 21:49 · Bjorn Andersson et al.
• virtio gpu driver
  8 messages in 7d · last 2026-09-17 10:26 · David Airlie et al.
• vm sockets (af_vsock)
  7 messages in 7d · last 2026-09-15 17:31 · Stefano Garzarella
• virtio host (vhost)
  6 messages in 7d · last 2026-09-16 08:02 · "Michael S. Tsirkin" et al.
• virtio block and scsi drivers
  5 messages in 7d · last 2026-09-14 13:37 · "Michael S. Tsirkin" et al.
• spi subsystem
  4 messages in 7d · last 2026-09-16 21:11 · Mark Brown
• virtio host (vhost-scsi)
  4 messages in 7d · last 2026-09-16 08:02 · "Michael S. Tsirkin" et al.
• open firmware and flattened device tree bindings
  3 messages in 7d · last 2026-09-16 21:49 · Rob Herring et al.
• virtio spi driver
  3 messages in 7d · last 2026-09-15 20:45 · Haixu Cui
• io_uring
  3 messages in 7d · last 2026-09-15 11:35 · Jens Axboe
• scheduler
  3 messages in 7d · last 2026-09-15 11:34 · Ingo Molnar et al.
• block layer
  3 messages in 7d · last 2026-09-14 13:37 · Jens Axboe
• virtio and vhost vsock driver
  2 messages in 7d · last 2026-09-15 13:16 · Stefan Hajnoczi et al.
• char and misc drivers Supported
  2 messages in 7d · last 2026-09-15 11:37 · Arnd Bergmann et al.
• radeon and amdgpu drm drivers Supported
  2 messages in 7d · last 2026-09-15 11:36 · Alex Deucher et al.
• drm driver for qualcomm display hardware
  2 messages in 7d · last 2026-09-15 11:34 · Rob Clark et al.
• memory management - core
  2 messages in 7d · last 2026-09-15 11:34 · Andrew Morton et al.
• exec & binfmt api, elf Supported
  2 messages in 7d · last 2026-09-15 11:34 · Kees Cook
• xarray Supported
  2 messages in 7d · last 2026-09-15 03:13 · Matthew Wilcox
• scsi subsystem
  2 messages in 7d · last 2026-09-14 13:36 · "James E.J. Bottomley" et al.
• arm/freescale imx / mxc / layerscape arm architecture
  1 message in 7d · last 2026-09-16 21:49 · Frank Li et al.
• dma mapping helpers Supported
  1 message in 7d · last 2026-09-16 21:11 · Marek Szyprowski
• cpu frequency scaling framework
  1 message in 7d · last 2026-09-16 07:38 · "Rafael J. Wysocki" et al.
• x86 architecture (32-bit and 64-bit)
  1 message in 7d · last 2026-09-16 05:06 · Thomas Gleixner et al.
• vmware hypervisor interface Supported
  1 message in 7d · last 2026-09-16 05:06 · Ajay Kaher et al.
• generic include/asm header files
  1 message in 7d · last 2026-09-16 05:05 · Arnd Bergmann
• hyper-v/azure core and drivers Supported
  1 message in 7d · last 2026-09-15 11:37 · "K. Y. Srinivasan" et al.
• iommu subsystem
  1 message in 7d · last 2026-09-15 11:37 · Joerg Roedel et al.
• iommufd
  1 message in 7d · last 2026-09-15 11:37 · Jason Gunthorpe et al.
• qualcomm fastrpc driver
  1 message in 7d · last 2026-09-15 11:37 · Srinivas Kandagatla
• iio subsystem and drivers
  1 message in 7d · last 2026-09-15 11:37 · Jonathan Cameron
• xen hypervisor interface Supported
  1 message in 7d · last 2026-09-15 11:37 · Juergen Gross et al.
• habanalabs pci driver Supported
  1 message in 7d · last 2026-09-15 11:37 · Koby Elbaz et al.
• drm compute accelerators drivers and framework
  1 message in 7d · last 2026-09-15 11:37 · Oded Gabbay
• drm drivers for vivante gpu ip
  1 message in 7d · last 2026-09-15 11:37 · Lucas Stach
• secure computing Supported
  1 message in 7d · last 2026-09-15 11:36 · Kees Cook
• tpm device driver
  1 message in 7d · last 2026-09-15 11:36 · Peter Huewe et al.
• nitro enclaves (ne) Supported
  1 message in 7d · last 2026-09-15 11:35 · Alexandru Ciobotaru
• sound
  1 message in 7d · last 2026-09-15 11:35 · Jaroslav Kysela et al.
• sound - compressed audio Supported
  1 message in 7d · last 2026-09-15 11:35 · Vinod Koul
• sctp protocol
  1 message in 7d · last 2026-09-15 11:35 · Marcelo Ricardo Leitner et al.
• live update
  1 message in 7d · last 2026-09-15 11:35 · Pasha Tatashin et al.
• vfio driver
  1 message in 7d · last 2026-09-15 11:35 · Alex Williamson
• drm driver for vmware virtual gpu Supported
  1 message in 7d · last 2026-09-15 11:35 · Zack Rusin
• amd kfd Supported
  1 message in 7d · last 2026-09-15 11:34 · Felix Kuehling
• dma buffer sharing framework
  1 message in 7d · last 2026-09-15 11:34 · Sumit Semwal et al.
• sync file framework
  1 message in 7d · last 2026-09-15 11:34 · Sumit Semwal
• linux for powerpc (32-bit and 64-bit) Supported
  1 message in 7d · last 2026-09-15 11:34 · Madhavan Srinivasan
• cell broadband engine architecture Orphan
  1 message in 7d · last 2026-09-15 11:34
• spu file system Orphan
  1 message in 7d · last 2026-09-15 11:34
• gpio uapi
  1 message in 7d · last 2026-09-15 11:34 · Bartosz Golaszewski
• gpio subsystem
  1 message in 7d · last 2026-09-15 11:34 · Linus Walleij et al.
• media controller framework Supported
  1 message in 7d · last 2026-09-15 11:34 · Sakari Ailus et al.
• media input infrastructure (v4l/dvb)
  1 message in 7d · last 2026-09-15 11:34 · Mauro Carvalho Chehab
• ntsync synchronization primitive driver Supported
  1 message in 7d · last 2026-09-15 11:34 · Elizabeth Figura
• xfs filesystem Supported
  1 message in 7d · last 2026-09-15 11:34 · Carlos Maiolino
• bpf [general] (safe dynamic programs and tools) Supported
  1 message in 7d · last 2026-09-15 11:34 · Alexei Starovoitov et al.
• memory management
  1 message in 7d · last 2026-09-15 11:34 · Andrew Morton
• memory management - userfaultfd
  1 message in 7d · last 2026-09-15 11:34 · Andrew Morton et al.
• handshake upcall for transport layer security
  1 message in 7d · last 2026-09-15 11:34 · Chuck Lever
• networking [sockets]
  1 message in 7d · last 2026-09-15 11:34 · Eric Dumazet et al.
• tensilica xtensa port (xtensa)
  1 message in 7d · last 2026-09-15 11:33 · Chris Zankel et al.
• user-mode linux (uml)
  1 message in 7d · last 2026-09-15 11:33 · Richard Weinberger et al.
• sparc + ultrasparc (sparc/sparc64)
  1 message in 7d · last 2026-09-15 11:33 · "David S. Miller" et al.
• superh
  1 message in 7d · last 2026-09-15 11:33 · Yoshinori Sato et al.
• parisc architecture
  1 message in 7d · last 2026-09-15 11:33 · "James E.J. Bottomley" et al.
• openrisc architecture
  1 message in 7d · last 2026-09-15 11:33 · Jonas Bonn et al.
• nios2 architecture Supported
  1 message in 7d · last 2026-09-15 11:32 · Dinh Nguyen et al.
• microblaze architecture Supported
  1 message in 7d · last 2026-09-15 11:32 · Michal Simek
• mips
  1 message in 7d · last 2026-09-15 11:32 · Thomas Bogendoerfer
• m68k architecture
  1 message in 7d · last 2026-09-15 11:32 · Geert Uytterhoeven
• uclinux (m68knommu and coldfire)
  1 message in 7d · last 2026-09-15 11:32 · Greg Ungerer
• qualcomm hexagon architecture Supported
  1 message in 7d · last 2026-09-15 11:32 · Brian Cain
• c-sky architecture Supported
  1 message in 7d · last 2026-09-15 11:32 · Guo Ren
• arm64 port (aarch64 architecture)
  1 message in 7d · last 2026-09-15 11:32 · Catalin Marinas et al.
• arm port Odd Fixes
  1 message in 7d · last 2026-09-15 11:31 · Russell King
• synopsys arc architecture Supported
  1 message in 7d · last 2026-09-15 11:31 · Vineet Gupta
• alpha port Odd Fixes
  1 message in 7d · last 2026-09-15 11:31 · Richard Henderson et al.
• generic entry code
  1 message in 7d · last 2026-09-15 11:31 · Thomas Gleixner et al.
• proc sysctl
  1 message in 7d · last 2026-09-15 03:14 · Kees Cook et al.
• high-resolution timers, timer wheel, clockevents
  1 message in 7d · last 2026-09-15 03:14 · Anna-Maria Behnsen et al.
• workqueue
  1 message in 7d · last 2026-09-15 03:14 · Tejun Heo
• linux for power macintosh Orphan
  1 message in 7d · last 2026-09-15 03:13
• locking primitives
  1 message in 7d · last 2026-09-15 03:04 · Peter Zijlstra et al.
• networking drivers
  1 message in 7d · last 2026-09-15 03:04 · Andrew Lunn et al.
• wireguard secure network tunnel
  1 message in 7d · last 2026-09-15 03:04 · Jason A. Donenfeld
• memblock and memory management initialization
  1 message in 7d · last 2026-09-15 03:04 · Mike Rapoport
• memory mapping
  1 message in 7d · last 2026-09-15 03:04 · Andrew Morton et al.
• marvell octeon endpoint virtio data path accelerator
  1 message in 7d · last 2026-09-14 04:03