Active subsystems in kvm

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.

• kernel virtual machine for x86 (kvm/x86) Supported
  76 messages in 7d · last 2026-10-30 18:23 · Sean Christopherson et al.
• x86 architecture (32-bit and 64-bit)
  74 messages in 7d · last 2026-10-30 18:23 · Thomas Gleixner et al.
• iommu subsystem
  33 messages in 7d · last 2026-10-29 06:11 · Joerg Roedel et al.
• kernel selftest framework
  25 messages in 7d · last 2026-10-30 03:29 · Shuah Khan et al.
• s390 architecture Supported
  24 messages in 7d · last 2026-10-29 13:00 · Heiko Carstens et al.
• kernel virtual machine (kvm) Supported
  22 messages in 7d · last 2026-10-30 03:29 · Paolo Bonzini
• kernel virtual machine for s390 (kvm/s390) Supported
  20 messages in 7d · last 2026-10-29 13:00 · Christian Borntraeger et al.
• iommufd
  15 messages in 7d · last 2026-10-29 06:11 · Jason Gunthorpe et al.
• risc-v architecture Supported
  13 messages in 7d · last 2026-10-29 12:03 · Paul Walmsley et al.
• kernel virtual machine for risc-v (kvm/riscv)
  13 messages in 7d · last 2026-10-29 12:03 · Anup Patel
• vfio driver
  12 messages in 7d · last 2026-10-30 04:23 · Alex Williamson
• vm sockets (af_vsock)
  11 messages in 7d · last 2026-10-30 06:47 · Stefano Garzarella
• kernel virtual machine for arm64 (kvm/arm64)
  11 messages in 7d · last 2026-10-28 19:03 · Marc Zyngier et al.
• networking [general]
  10 messages in 7d · last 2026-10-30 06:47 · "David S. Miller" et al.
• rust Supported
  9 messages in 7d · last 2026-10-30 17:15 · Miguel Ojeda
• virtio and vhost vsock driver
  9 messages in 7d · last 2026-10-30 06:47 · Stefan Hajnoczi et al.
• pci subsystem Supported
  9 messages in 7d · last 2026-10-29 19:20 · Bjorn Helgaas
• arm64 port (aarch64 architecture)
  9 messages in 7d · last 2026-10-28 19:03 · Catalin Marinas et al.
• pci subsystem [rust]
  8 messages in 7d · last 2026-10-30 17:15 · Danilo Krummrich
• documentation
  7 messages in 7d · last 2026-10-28 16:47 · Jonathan Corbet
• risc-v iommu
  6 messages in 7d · last 2026-10-29 06:11 · Tomasz Jeznach
• intel iommu (vt-d) Supported
  6 messages in 7d · last 2026-10-25 02:19 · David Woodhouse et al.
• vfio selftests
  5 messages in 7d · last 2026-10-29 22:17 · David Matlack
• linux for powerpc (32-bit and 64-bit) Supported
  4 messages in 7d · last 2026-10-28 19:03 · Madhavan Srinivasan
• virtio host (vhost)
  4 messages in 7d · last 2026-10-28 16:05 · "Michael S. Tsirkin" et al.
• s390 pci subsystem Supported
  4 messages in 7d · last 2026-10-28 15:44 · Niklas Schnelle et al.
• tty layer and serial drivers Supported
  4 messages in 7d · last 2026-10-26 11:23 · Greg Kroah-Hartman et al.
• virtio net driver
  4 messages in 7d · last 2026-10-26 08:29 · "Michael S. Tsirkin" et al.
• networking drivers
  4 messages in 7d · last 2026-10-26 08:29 · Andrew Lunn et al.
• kexec handover (kho)
  4 messages in 7d · last 2026-10-25 02:19 · Mike Rapoport et al.
• live update
  4 messages in 7d · last 2026-10-25 02:19 · Pasha Tatashin et al.
• memory management - core
  3 messages in 7d · last 2026-10-29 14:44 · Andrew Morton et al.
• memory management
  3 messages in 7d · last 2026-10-29 14:44 · Andrew Morton
• kernel virtual machine for powerpc (kvm/powerpc) Orphan (Book3E and 32-bit)
  3 messages in 7d · last 2026-10-28 19:03 · Madhavan Srinivasan
• iommu dma-api layer
  3 messages in 7d · last 2026-10-28 09:05 · Robin Murphy
• userspace copyin/copyout (uiovec)
  3 messages in 7d · last 2026-10-26 21:52 · Alexander Viro
• kernel build + files below scripts/ (unless maintained elsewhere) Odd Fixes
  2 messages in 7d · last 2026-10-30 10:40 · Nathan Chancellor et al.
• pci native host bridge and endpoint drivers Supported
  2 messages in 7d · last 2026-10-29 16:38 · Lorenzo Pieralisi et al.
• qualcomm ath12k wireless driver Supported
  2 messages in 7d · last 2026-10-29 16:38 · Jeff Johnson
• qualcomm atheros ath11k wireless driver Supported
  2 messages in 7d · last 2026-10-29 16:38 · Jeff Johnson
• kvm paravirt (kvm/paravirt) Supported
  2 messages in 7d · last 2026-10-29 16:37 · Paolo Bonzini
• memory mapping
  2 messages in 7d · last 2026-10-29 14:44 · Andrew Morton et al.
• loongarch
  2 messages in 7d · last 2026-10-29 03:36 · Huacai Chen
• kernel virtual machine for loongarch (kvm/loongarch)
  2 messages in 7d · last 2026-10-29 03:36 · Tianrui Zhao et al.
• kernel virtual machine for mips (kvm/mips)
  2 messages in 7d · last 2026-10-28 19:03 · Huacai Chen
• mips
  2 messages in 7d · last 2026-10-28 19:03 · Thomas Bogendoerfer
• hyper-v/azure core and drivers Supported
  2 messages in 7d · last 2026-10-28 16:05 · Haiyang Zhang et al.
• rdt - resource allocation Supported
  2 messages in 7d · last 2026-10-27 00:15 · Tony Luck et al.
• driver core, kobjects, debugfs and sysfs Supported
  1 message in 7d · last 2026-10-30 17:13 · Greg Kroah-Hartman et al.
• drm drivers
  1 message in 7d · last 2026-10-30 17:13 · David Airlie et al.
• drm drivers and common infrastructure [rust] Supported
  1 message in 7d · last 2026-10-30 17:13 · Danilo Krummrich et al.
• core driver for nvidia gpus [rust] Supported
  1 message in 7d · last 2026-10-30 17:13 · Danilo Krummrich et al.
• dma mapping & scatterlist api [rust] Supported
  1 message in 7d · last 2026-10-30 17:13 · Danilo Krummrich
• auxiliary bus driver Supported
  1 message in 7d · last 2026-10-30 17:13 · Greg Kroah-Hartman et al.
• hugetlb subsystem
  1 message in 7d · last 2026-10-29 14:44 · Muchun Song et al.
• s390 vfio-pci driver Supported
  1 message in 7d · last 2026-10-28 15:44 · Matthew Rosato et al.
• generic include/asm header files
  1 message in 7d · last 2026-10-27 18:32 · Arnd Bergmann
• nios2 architecture Supported
  1 message in 7d · last 2026-10-26 23:41 · Dinh Nguyen et al.
• tensilica xtensa port (xtensa)
  1 message in 7d · last 2026-10-26 23:41 · Chris Zankel et al.
• bpf [general] (safe dynamic programs and tools) Supported
  1 message in 7d · last 2026-10-26 21:52 · Alexei Starovoitov et al.
• bpf [tracing]
  1 message in 7d · last 2026-10-26 21:52 · Song Liu
• tracing
  1 message in 7d · last 2026-10-26 21:52 · Steven Rostedt et al.
• bpf [security & lsm] (security audit and enforcement using bpf)
  1 message in 7d · last 2026-10-26 21:52 · KP Singh et al.
• btrfs file system
  1 message in 7d · last 2026-10-26 21:52 · David Sterba
• scsi subsystem
  1 message in 7d · last 2026-10-26 21:52 · "James E.J. Bottomley" et al.
• x86 hardware vulnerabilities
  1 message in 7d · last 2026-10-26 13:03 · Thomas Gleixner et al.
• hygon processor support
  1 message in 7d · last 2026-10-26 13:03 · Pu Wen
• zhaoxin processor support
  1 message in 7d · last 2026-10-26 13:03 · Tony W Wang-oc
• x86 mm
  1 message in 7d · last 2026-10-26 13:03 · Dave Hansen et al.
• hibernation (aka software suspend, aka swsusp) Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• xen hypervisor x86 Supported
  1 message in 7d · last 2026-10-26 13:03 · Juergen Gross
• acpi Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• libata subsystem (serial and parallel ata drivers)
  1 message in 7d · last 2026-10-26 13:03 · Damien Le Moal et al.
• agpgart driver
  1 message in 7d · last 2026-10-26 13:03 · David Airlie
• hardware random number generator core Odd fixes
  1 message in 7d · last 2026-10-26 13:03 · Olivia Mackall et al.
• cpu frequency scaling framework
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki" et al.
• intel pstate driver Supported
  1 message in 7d · last 2026-10-26 13:03 · Srinivas Pandruvada et al.
• edac-core Supported
  1 message in 7d · last 2026-10-26 13:03 · Borislav Petkov et al.
• edac-intel-bff-reset
  1 message in 7d · last 2026-10-26 13:03 · Tony Luck
• gpio subsystem
  1 message in 7d · last 2026-10-26 13:03 · Linus Walleij et al.
• hardware monitoring
  1 message in 7d · last 2026-10-26 13:03 · Guenter Roeck
• intel idle driver Supported
  1 message in 7d · last 2026-10-26 13:03 · Rafael J. Wysocki et al.
• char and misc drivers Supported
  1 message in 7d · last 2026-10-26 13:03 · Arnd Bergmann et al.
• nand flash subsystem
  1 message in 7d · last 2026-10-26 13:03 · Miquel Raynal
• memory technology devices (mtd)
  1 message in 7d · last 2026-10-26 13:03 · Miquel Raynal et al.
• x86 platform drivers
  1 message in 7d · last 2026-10-26 13:03 · Hans de Goede et al.
• intel pmc core driver
  1 message in 7d · last 2026-10-26 13:03 · Rajneesh Bhardwaj et al.
• intel speed select technology
  1 message in 7d · last 2026-10-26 13:03 · Srinivas Pandruvada
• power management core Supported
  1 message in 7d · last 2026-10-26 13:03 · "Rafael J. Wysocki"
• thermal Supported
  1 message in 7d · last 2026-10-26 13:03 · Rafael J. Wysocki et al.
• amd geode processor/chipset support Orphaned
  1 message in 7d · last 2026-10-26 13:03
• framebuffer layer
  1 message in 7d · last 2026-10-26 13:03 · Helge Deller