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)

• WARM3d [PATCH] tools: Use fputc() calls in some functions
  2026-07-23 10:26 · 0 replies in 7d · Markus Elfring <hidden>
• WARM3d IN LINUX-NEXT: 1 (0M) [PATCH] mm: mempolicy: fix automatic numa balancing for shmem
  2026-07-23 05:39 · 1 reply in 7d · Johannes Weiner <hannes@cmpxchg.org>
• WARM3d [PATCH v5 00/36] Private Memory NUMA Nodes
  2026-07-21 18:06 · 1 reply in 7d · Gregory Price <gourry@gourry.net>
• DORMANTno replies [PATCH v5 36/36] KVM: selftests: add a guest_memfd FLAG_BIND_NODE test
  2026-07-21 17:16 · 0 replies in 7d · Gregory Price <gourry@gourry.net>

Active reviewers (last 30 days)

• Dave Jiang <dave.jiang@intel.com>
  4 attestations (2 Co-developed-by, 2 Suggested-by) · last on 2026-07-21
• Vishal Verma <vishal.l.verma@intel.com>
  1 attestation (1 Reported-by) · last on 2026-07-23

Recent patches

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

• WARM3d [PATCH] tools: Use fputc() calls in some functions
  2026-07-23 · Markus Elfring <hidden>
• WARM3d Re: [PATCH] mm: mempolicy: fix automatic numa balancing for shmem
  2026-07-23 · Yan Zhao <hidden>
• WARM3d [PATCH v5 36/36] KVM: selftests: add a guest_memfd FLAG_BIND_NODE test
  2026-07-21 · Gregory Price <gourry@gourry.net>
• DORMANTno replies [PATCH v5 36/36] KVM: selftests: add a guest_memfd FLAG_BIND_NODE test
  2026-07-21 · Gregory Price <gourry@gourry.net>
• COLD34d [PATCH v3 9/9] selftests: kvm: Add guest_memfd_preservation_test
  2026-06-22 · Tarun Sahu <hidden>
• COLD34d [PATCH v3 8/9] selftests: kvm: Split ____vm_create() to expose init helpers
  2026-06-22 · Tarun Sahu <hidden>
• HOTtoday [PATCH v8 38/46] KVM: selftests: Add helpers to pin pages with CONFIG_GUP_TEST
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 40/46] KVM: selftests: Reset shared memory after hole-punching
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 39/46] KVM: selftests: Test conversion with elevated page refcount
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 43/46] KVM: selftests: Check fd/flags provided to mmap() when setting up memslot
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 41/46] KVM: selftests: Provide function to look up guest_memfd details from gpa
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 42/46] KVM: selftests: Provide common function to set memory attributes
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 46/46] KVM: selftests: Update private memory exits test to work with per-gmem attributes
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 44/46] KVM: selftests: Make TEST_EXPECT_SIGBUS thread-safe
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 45/46] KVM: selftests: Update private_mem_conversions_test to mmap() guest_memfd
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 30/46] KVM: selftests: Add helpers for calling ioctls on guest_memfd
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 32/46] KVM: selftests: Test conversion flow when INIT_SHARED
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 34/46] KVM: selftests: Test conversion before allocation
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 33/46] KVM: selftests: Test conversion precision in guest_memfd
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 31/46] KVM: selftests: Test basic single-page conversion flow
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 35/46] KVM: selftests: Convert with allocated folios in different layouts
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 36/46] KVM: selftests: Test that truncation does not change shared/private status
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 37/46] KVM: selftests: Test that shared/private status is consistent across processes
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 23/46] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 22/46] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 28/46] KVM: selftests: Add support for mmap() on guest_memfd in core library
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 1 (1M) [PATCH v8 27/46] KVM: selftests: Rename guest_memfd{,_offset} to gmem_{fd,offset}
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 1 (1M) [PATCH v8 26/46] KVM: selftests: Create gmem fd before "regular" fd when adding memslot
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 29/46] KVM: selftests: Add selftests global for guest memory attributes capability
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday [PATCH v8 17/46] KVM: guest_memfd: Advertise KVM_SET_MEMORY_ATTRIBUTES2 ioctl
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>

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.

• COLD32d REVIEWED: 1 (1M) [PATCH v7 02/42] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• COLD32d REVIEWED: 1 (1M) [PATCH v7 13/42] KVM: guest_memfd: Advertise KVM_SET_MEMORY_ATTRIBUTES2 ioctl
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• COLD32d REVIEWED: 1 (1M) [PATCH v7 22/42] KVM: selftests: Create gmem fd before "regular" fd when adding memslot
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• COLD32d REVIEWED: 1 (1M) [PATCH v7 23/42] KVM: selftests: Rename guest_memfd{,_offset} to gmem_{fd,offset}
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• HOTtoday REVIEWED: 1 (1M) [PATCH v8 02/46] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org> · 1 Reviewed-by
• HOTtoday REVIEWED: 1 (1M) [PATCH v8 27/46] KVM: selftests: Rename guest_memfd{,_offset} to gmem_{fd,offset}
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org> · 1 Reviewed-by
• HOTtoday REVIEWED: 1 (1M) [PATCH v8 26/46] KVM: selftests: Create gmem fd before "regular" fd when adding memslot
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@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.

• STALE180d [PATCH v9 08/13] KVM: selftests: load elf via bounce buffer
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE180d [PATCH v9 10/13] KVM: selftests: Add guest_memfd based vm_mem_backing_src_types
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE180d [PATCH v9 11/13] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE180d [PATCH v9 12/13] KVM: selftests: stuff vm_mem_backing_src_type into vm_shape
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE180d [PATCH v9 13/13] KVM: selftests: Test guest execution from direct map removed gmem
  2026-01-14 · Kalyazin, Nikita <hidden>
• STALE142d [PATCH v10 11/15] KVM: selftests: set KVM_MEM_GUEST_MEMFD in vm_mem_add() if guest_memfd != -1
  2026-01-26 · Kalyazin, Nikita <hidden>
• STALE142d [PATCH v10 10/15] KVM: selftests: load elf via bounce buffer
  2026-01-26 · Kalyazin, Nikita <hidden>
• STALE142d [PATCH v10 13/15] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests
  2026-01-26 · Kalyazin, Nikita <hidden>
• STALE142d [PATCH v10 12/15] KVM: selftests: Add guest_memfd based vm_mem_backing_src_types
  2026-01-26 · Kalyazin, Nikita <hidden>
• STALE142d [PATCH v10 15/15] KVM: selftests: Test guest execution from direct map removed gmem
  2026-01-26 · Kalyazin, Nikita <hidden>