kernel virtual machine (kvm) · Supported

Maintainers

• M Paolo Bonzini <pbonzini@redhat.com>

Paths

• F Documentation/virt/kvm/
• F include/asm-generic/kvm*
• F include/kvm/iodev.h
• F include/linux/kvm*
• F include/trace/events/kvm.h
• F include/uapi/asm-generic/kvm*
• F include/uapi/linux/kvm*
• F tools/kvm/
• F tools/testing/selftests/kvm/
• F virt/kvm/*

Last 30 days

Most active threads (last 7 days)

• WARM2d [PATCH v3 00/12] KVM: selftests: Add more syscall wrappers, fix hardware_disable_test
  2026-07-31 19:56 · 12 replies in 7d · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 00/12] KVM: selftests: Add more syscall wrappers, fix hardware_disable_test
  2026-07-31 17:06 · 12 replies in 7d · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH 0/9] KVM: selftests: Add more syscall wrappers, fix hardware_disable_test
  2026-07-30 19:19 · 9 replies in 7d · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v17 00/14] KVM: arm64: Provide guest support for GCS
  2026-07-31 12:38 · 4 replies in 7d · Mark Brown <broonie@kernel.org>
• COOLING4d [PATCH v4 0/9] KVM: selftests: Create KVM selftests runner
  2026-07-29 19:39 · 2 replies in 7d · Vipin Sharma <hidden>
• WARM3d Re: [PATCH] KVM: selftests: fix steal_time for arm64
  2026-07-30 18:38 · 1 reply in 7d · Zenghui Yu <hidden>
• WARM2d [PATCH v4 00/29] KVM: arm64: Add support for FEAT_NV2p1 and FEAT_NV3
  2026-07-30 07:11 · 1 reply in 7d · Marc Zyngier <maz@kernel.org>
• WARM3d [PATCH v4 00/11] liveupdate: kvm: Guest_memfd preservation
  2026-07-28 12:12 · 2 replies in 7d · Tarun Sahu <hidden>

Active reviewers (last 30 days)

• Ben Horgan <ben.horgan@arm.com>
  6 attestations (6 Reviewed-by) · last on 2026-07-19
• Fuad Tabba <fuad.tabba@linux.dev>
  3 attestations (1 Reviewed-by, 2 Tested-by) · last on 2026-07-22
• Fuad Tabba <hidden>
  3 attestations (3 Reviewed-by) · last on 2026-07-19
• Geoff Blake <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-22
• Haris Okanovic <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-22
• Stanislav Spassov <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-22
• Oliver Upton <oupton@kernel.org>
  2 attestations (2 Co-developed-by) · last on 2026-07-22
• Thiago Jung Bauermann <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-31
• Gavin Shan <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-07-15

Recent patches

Most-recent 30 patches in this subsystem on kvmarm (capped at 30), ordered by date desc.

• WARM2d [PATCH v3 12/12] KVM: selftests: Clean up global constants in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 11/12] KVM: selftests: Add KVM syscall wrappers for pthread_{g,s}etaffinity_np()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 10/12] KVM: selftests: Add helper APIs to cancel+join pthreads
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 09/12] KVM: selftests: Add KVM syscall wrappers for pthread_{cancel,join}()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 08/12] KVM: selftests: Add KVM syscall wrapper for pthread_create()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 07/12] KVM: selftests: Drop unreachable, dead code from hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 06/12] KVM: selftests: Affine threads to random CPUs in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 05/12] KVM: selftests: Extract picking of random CPU from cpu_set_t to separate API
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 04/12] KVM: selftests: Return the target CPU from pin_task_to_random_cpu()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 03/12] KVM: selftests: Pre-set threads affinity in hardware disable test when possible
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 02/12] KVM: selftests: Set threads CPU affinity before doing work in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v3 01/12] KVM: selftests: Add a KVM syscall wrapper for sched_setaffinity()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 12/12] KVM: selftests: Clean up global constants in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 11/12] KVM: selftests: Add KVM syscall wrappers for pthread_{g,s}etaffinity_np()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 10/12] KVM: selftests: Add helper APIs to cancel+join pthreads
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 09/12] KVM: selftests: Add KVM syscall wrappers for pthread_{cancel,join}()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 08/12] KVM: selftests: Add KVM syscall wrapper for pthread_create()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 07/12] KVM: selftests: Drop unreachable, dead code from hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 06/12] KVM: selftests: Affine threads to random CPUs in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 05/12] KVM: selftests: Extract picking of random CPU from cpu_set_t to separate API
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 04/12] KVM: selftests: Return the target CPU from pin_task_to_random_cpu()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 03/12] KVM: selftests: Pre-set threads affinity in hardware disable test when possible
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 02/12] KVM: selftests: Set threads CPU affinity before doing work in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 01/12] KVM: selftests: Add a KVM syscall wrapper for sched_setaffinity()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v17 14/14] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test
  2026-07-31 · Mark Brown <broonie@kernel.org>
• WARM2d [PATCH v17 12/14] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change
  2026-07-31 · Mark Brown <broonie@kernel.org>
• WARM2d [PATCH v17 11/14] KVM: selftests: arm64: Add GCS to set_id_regs
  2026-07-31 · Mark Brown <broonie@kernel.org>
• WARM2d REVIEWED: 1 (0M) [PATCH v17 10/14] KVM: selftests: arm64: Add GCS registers to get-reg-list
  2026-07-31 · Mark Brown <broonie@kernel.org>
• WARM2d [PATCH 9/9] KVM: selftests: Clean up global constants in hardware disable test
  2026-07-30 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH 8/9] KVM: selftests: Add KVM syscall wrappers for pthread_{g,s}etaffinity_np()
  2026-07-30 · Sean Christopherson <seanjc@google.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE184d REVIEWED: 1 (1M) [PATCH v4 23/36] KVM: arm64: gic-v5: Support GICv5 interrupts with KVM_IRQ_LINE
  2026-01-28 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE184d REVIEWED: 2 (2M) [PATCH v4 27/36] KVM: arm64: gic-v5: Mandate architected PPI for PMU emulation on GICv5
  2026-01-28 · Sascha Bischoff <hidden> · 2 Reviewed-by
• STALE184d REVIEWED: 1 (1M) [PATCH v4 34/36] Documentation: KVM: Introduce documentation for VGICv5
  2026-01-28 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE184d REVIEWED: 1 (1M) [PATCH v4 35/36] KVM: arm64: selftests: Introduce a minimal GICv5 PPI selftest
  2026-01-28 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE150d REVIEWED: 1 (1M) [PATCH v5 23/36] KVM: arm64: gic-v5: Support GICv5 interrupts with KVM_IRQ_LINE
  2026-02-26 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE150d REVIEWED: 2 (2M) [PATCH v5 27/36] KVM: arm64: gic-v5: Mandate architected PPI for PMU emulation on GICv5
  2026-02-26 · Sascha Bischoff <hidden> · 2 Reviewed-by
• STALE150d REVIEWED: 1 (1M) [PATCH v5 33/36] Documentation: KVM: Introduce documentation for VGICv5
  2026-02-26 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE150d REVIEWED: 1 (1M) [PATCH v5 34/36] KVM: arm64: selftests: Introduce a minimal GICv5 PPI selftest
  2026-02-26 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE150d REVIEWED: 1 (1M) [PATCH v5 35/36] KVM: arm64: gic-v5: Communicate userspace-driveable PPIs via a UAPI
  2026-02-26 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE68d REVIEWED: 1 (1M) [PATCH v10 27/30] KVM: arm64: selftests: Remove spurious check for single bit safe values
  2026-03-06 · Mark Brown <broonie@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE207d [PATCH v4 5/5] KVM: selftests: arm64: Use is_aarch32_id_reg() in test_vm_ftr_id_regs()
  2026-01-06 · Mark Brown <broonie@kernel.org>
• STALE202d Re: [PATCH v4 16/21] KVM: selftests: Add support for nested NPTs
  2026-01-07 · Yosry Ahmed <hidden>
• STALE199d [PATCH v4 9/9] KVM: arm64: selftests: Add a test for FEAT_IDST
  2026-01-08 · Marc Zyngier <maz@kernel.org>
• STALE195d [PATCH v4 2/3] KVM: selftests: Enable pre_fault_memory_test for arm64
  2026-01-13 · Jack Thomson <hidden>
• STALE195d [PATCH v4 3/3] KVM: selftests: Add option for different backing in pre-fault tests
  2026-01-13 · Jack Thomson <hidden>
• STALE187d [PATCH v9 08/13] KVM: selftests: load elf via bounce buffer
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE187d [PATCH v9 10/13] KVM: selftests: Add guest_memfd based vm_mem_backing_src_types
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE187d [PATCH v9 11/13] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE187d [PATCH v9 12/13] KVM: selftests: stuff vm_mem_backing_src_type into vm_shape
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE187d [PATCH v9 13/13] KVM: selftests: Test guest execution from direct map removed gmem
  2026-01-14 · Kalyazin, Nikita <hidden>