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)

• WARM1d [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>
• WARM1d [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>
• WARM1d [PATCH v9 00/41] guest_memfd: In-place conversion support
  2026-07-29 00:35 · 26 replies in 7d · Ackerley Tng <hidden>
• WARM3d [PATCH 0/8] KVM: selftests: Add Zhaoxin CPU support
  2026-07-30 11:15 · 8 replies in 7d · Ewan Hai-oc <hidden>
• WARM1d [PATCH v5 0/6] KVM: nVMX: Synthesize SHUTDOWN on RSM with bad state
  2026-07-31 17:33 · 3 replies in 7d · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 0/4] KVM: x86: Fix off-by-one in max_vcpu_ids bounds checks
  2026-07-31 15:09 · 3 replies in 7d · Dmytro Maluka <hidden>
• WARM1d [PATCH v5 00/13] KVM: selftests: Stress save+restore and #PF (ft. nested)
  2026-07-28 17:42 · 13 replies in 7d · Yosry Ahmed <yosry@kernel.org>
• HOTtoday [PATCH] docs: KVM: fix heading level for KVM_S390_VM_CPU_PROCESSOR
  2026-08-01 07:45 · 0 replies in 7d · Kohei Enju <hidden>
• WARM2d [PATCH 0/3] KVM: x86: Fix off-by-one in max_vcpu_ids bounds checks
  2026-07-30 18:24 · 2 replies in 7d · Dmytro Maluka <hidden>

Active reviewers (last 30 days)

• Fuad Tabba <hidden>
  27 attestations (27 Reviewed-by) · last on 2026-07-29
• Shivank Garg <hidden>
  26 attestations (26 Tested-by) · last on 2026-07-29
• Sean Christopherson <seanjc@google.com>
  18 attestations (12 Co-developed-by, 6 Suggested-by) · last on 2026-07-31
• Binbin Wu <hidden>
  13 attestations (13 Reviewed-by) · last on 2026-07-29
• Ira Weiny <hidden>
  9 attestations (9 Reviewed-by) · last on 2026-07-22
• Ackerley Tng <hidden>
  6 attestations (6 Co-developed-by) · last on 2026-07-29
• Sagi Shahar <hidden>
  6 attestations (6 Co-developed-by) · last on 2026-07-22
• Ben Horgan <ben.horgan@arm.com>
  6 attestations (6 Reviewed-by) · last on 2026-07-19
• Xiaoyao Li <hidden>
  5 attestations (5 Reviewed-by) · last on 2026-07-29
• Lisa Wang <hidden>
  4 attestations (4 Co-developed-by) · last on 2026-07-22

Recent patches

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

• HOTtoday [PATCH] docs: KVM: fix heading level for KVM_S390_VM_CPU_PROCESSOR
  2026-08-01 · Kohei Enju <hidden>
• WARM1d [PATCH v3 12/12] KVM: selftests: Clean up global constants in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 11/12] KVM: selftests: Add KVM syscall wrappers for pthread_{g,s}etaffinity_np()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 10/12] KVM: selftests: Add helper APIs to cancel+join pthreads
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 09/12] KVM: selftests: Add KVM syscall wrappers for pthread_{cancel,join}()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 08/12] KVM: selftests: Add KVM syscall wrapper for pthread_create()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 07/12] KVM: selftests: Drop unreachable, dead code from hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 06/12] KVM: selftests: Affine threads to random CPUs in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [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>
• WARM1d [PATCH v3 04/12] KVM: selftests: Return the target CPU from pin_task_to_random_cpu()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v3 03/12] KVM: selftests: Pre-set threads affinity in hardware disable test when possible
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [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>
• WARM1d [PATCH v3 01/12] KVM: selftests: Add a KVM syscall wrapper for sched_setaffinity()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v5 6/6] KVM: selftests: Extend the invalid nVMX guest state test to cover RSM
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v5 5/6] KVM: selftests: Refactor invalid nVMX state test to prepare for RSM testcase
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v5 4/6] KVM: selftests: Use port 0x80 in invalid nVMX guest state test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 12/12] KVM: selftests: Clean up global constants in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 11/12] KVM: selftests: Add KVM syscall wrappers for pthread_{g,s}etaffinity_np()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 10/12] KVM: selftests: Add helper APIs to cancel+join pthreads
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 09/12] KVM: selftests: Add KVM syscall wrappers for pthread_{cancel,join}()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 08/12] KVM: selftests: Add KVM syscall wrapper for pthread_create()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 07/12] KVM: selftests: Drop unreachable, dead code from hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 06/12] KVM: selftests: Affine threads to random CPUs in hardware disable test
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [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>
• WARM1d [PATCH v2 04/12] KVM: selftests: Return the target CPU from pin_task_to_random_cpu()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [PATCH v2 03/12] KVM: selftests: Pre-set threads affinity in hardware disable test when possible
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM1d [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>
• WARM1d [PATCH v2 01/12] KVM: selftests: Add a KVM syscall wrapper for sched_setaffinity()
  2026-07-31 · Sean Christopherson <seanjc@google.com>
• WARM2d [PATCH v2 3/4] KVM: selftests: Improve bsp_vcpu_id and max_vcpu_ids out-of-bound tests
  2026-07-31 · Dmytro Maluka <hidden>
• WARM2d [PATCH v2 4/4] Documentation: KVM: Clarify that KVM_CAP_MAX_VCPU_ID is exclusive
  2026-07-31 · Dmytro Maluka <hidden>

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.

• STALE183d 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
• STALE183d 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
• STALE183d REVIEWED: 1 (1M) [PATCH v4 34/36] Documentation: KVM: Introduce documentation for VGICv5
  2026-01-28 · Sascha Bischoff <hidden> · 1 Reviewed-by
• STALE183d 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
• STALE64d REVIEWED: 1 (0M) [PATCH v4 1/2] KVM: TDX: Allow userspace to return errors to guest for MAPGPA
  2026-03-05 · Sagi Shahar <hidden> · 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>
• DORMANTno replies [PATCH] selftests: kvm: add boundary tests for kvm_create_max_vcpus
  2026-01-07 · Xin Liu <hidden>
• STALE201d 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>
• STALE198d [PATCH 3/4] KVM: selftests: Add a selftests for nested VMLOAD/VMSAVE
  2026-01-10 · Yosry Ahmed <hidden>
• STALE199d [PATCH 10/10] KVM: selftests: nSVM: Add svm_nested_pat test
  2026-01-13 · Jim Mattson <hidden>
• STALE186d [PATCH v9 08/13] KVM: selftests: load elf via bounce buffer
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE186d [PATCH v9 10/13] KVM: selftests: Add guest_memfd based vm_mem_backing_src_types
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE186d [PATCH v9 11/13] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE186d [PATCH v9 12/13] KVM: selftests: stuff vm_mem_backing_src_type into vm_shape
  2026-01-14 · Kalyazin, Nikita <hidden>