documentation · Maintained

Maintainers

• M Jonathan Corbet <corbet@lwn.net>
• R Shuah Khan <skhan@linuxfoundation.org>
• R Randy Dunlap <rdunlap@infradead.org>

Paths

• F Documentation/
• F tools/lib/python/
• F tools/docs/
• F tools/net/ynl/pyynl/lib/doc_generator.py
• X Documentation/ABI/
• X Documentation/admin-guide/media/
• X Documentation/devicetree/
• X Documentation/driver-api/media/
• X Documentation/firmware-guide/acpi/
• X Documentation/i2c/
• X Documentation/netlink/
• X Documentation/power/
• X Documentation/spi/
• X Documentation/userspace-api/media/

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v20 00/22] KVM: arm64: CCA: Add basic plumbing for Realms
  2026-09-24 16:06 · 1 reply in 7d · Suzuki K Poulose <suzuki.poulose@arm.com>
• HOTtoday [PATCH v3 0/2] x86/tdx: Use TDVMCALLs directly for earlyprintk
  2026-09-22 20:20 · 1 reply in 7d · Vishal Verma <vishal.l.verma@intel.com>
• WARM3d [PATCH v2 0/2] x86/tdx: Use TDVMCALLs directly for earlyprintk
  2026-09-21 19:53 · 1 reply in 7d · Vishal Verma <vishal.l.verma@intel.com>
• WARM1d [PATCH v19 00/20] KVM: arm64: CCA: Add basic plumbing for Realms
  2026-09-20 21:29 · 1 reply in 7d · Suzuki K Poulose <suzuki.poulose@arm.com>

Active reviewers (last 30 days)

• Shivank Garg <hidden>
  10 attestations (10 Tested-by) · last on 2026-09-10
• Binbin Wu <hidden>
  9 attestations (9 Reviewed-by) · last on 2026-09-10
• Sean Christopherson <seanjc@google.com>
  6 attestations (4 Co-developed-by, 2 Suggested-by) · last on 2026-09-10
• Xiaoyao Li <hidden>
  6 attestations (4 Reviewed-by, 2 Suggested-by) · last on 2026-09-10
• Fuad Tabba <hidden>
  6 attestations (6 Reviewed-by) · last on 2026-09-10
• David Hildenbrand (Arm) <david@kernel.org>
  6 attestations (1 Acked-by, 3 Reviewed-by, 2 Suggested-by) · last on 2026-09-10
• Vishal Annapurve <hidden>
  5 attestations (4 Co-developed-by, 1 Reviewed-by) · last on 2026-09-10
• Yan Zhao <hidden>
  4 attestations (2 Reviewed-by, 2 Tested-by) · last on 2026-09-10
• Ackerley Tng <hidden>
  4 attestations (4 Co-developed-by) · last on 2026-09-10
• Suzuki K Poulose <suzuki.poulose@arm.com>
  4 attestations (2 Reviewed-by, 2 Suggested-by) · last on 2026-09-10

Recent patches

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

• WARM1d REVIEWED: 1 (0M) [PATCH v20 14/22] KVM: arm64: CCA: Add a new mode for supporting Realm guests
  2026-09-24 · Suzuki K Poulose <suzuki.poulose@arm.com>
• HOTtoday [PATCH v3 2/2] x86/early_printk: Add earlyprintk=tdx to drive the UART with TDVMCALLs
  2026-09-22 · Vishal Verma <vishal.l.verma@intel.com>
• WARM3d [PATCH v2 2/2] x86/early_printk: Add earlyprintk=tdx to drive the UART with TDVMCALLs
  2026-09-21 · Vishal Verma <vishal.l.verma@intel.com>
• WARM1d [PATCH v19 12/20] KVM: arm64: CCA: Add a new mode for supporting Realm guests
  2026-09-20 · Suzuki K Poulose <suzuki.poulose@arm.com>
• WARM2d [PATCH v18 14/23] KVM: arm64: CCA: Add a new mode for supporting Realm guests
  2026-09-15 · Suzuki K Poulose <suzuki.poulose@arm.com>
• HOTtoday REVIEWED: 5 (0M) [PATCH v13 20/44] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 19 (16M) [PATCH v13 22/44] KVM: Let userspace disable per-VM mem attributes, enable per-gmem attributes
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 1 (0M) [PATCH v13 19/44] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 5 (2M) [PATCH v13 14/44] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 28 (25M) [PATCH v13 15/44] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 18 (17M) [PATCH v13 09/44] KVM: guest_memfd: Stub in ability to enable in-place shared<=>private conversion
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• HOTtoday REVIEWED: 18 (17M) [PATCH v13 12/44] KVM: guest_memfd: Always fault from guest_memfd if in-place conversion is enabled
  2026-09-10 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COOLING12d [PATCH v17 06/20] KVM: arm64: CCA: Add a new mode for supporting Realm guests
  2026-09-08 · Suzuki K Poulose <suzuki.poulose@arm.com>
• COOLING10d [PATCH] Documentation: virt: Fix the struct snp_guest_request_ioctl name in sev-guest.rst
  2026-09-05 · Karl Mehltretter <hidden>
• COLD21d REVIEWED: 4 (0M) [PATCH v11 10/11] Documentation/x86: Add documentation for TDX's Dynamic PAMT
  2026-09-04 · Rick Edgecombe <rick.p.edgecombe@intel.com>
• COLD21d [PATCH v11 00/11] Dynamic PAMT
  2026-09-04 · Rick Edgecombe <rick.p.edgecombe@intel.com>
• COLD22d REVIEWED: 4 (0M) [PATCH v10 10/11] Documentation/x86: Add documentation for TDX's Dynamic PAMT
  2026-09-03 · Rick Edgecombe <rick.p.edgecombe@intel.com>
• COLD22d REVIEWED: 4 (0M) [PATCH v10 09/11] x86/virt/tdx: Enable Dynamic PAMT
  2026-09-03 · Rick Edgecombe <rick.p.edgecombe@intel.com>
• COLD16d REVIEWED: 2 (0M) [PATCH v12 15/45] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d [PATCH v12 09/45] KVM: guest_memfd: Stub in ability to enable in-place shared<=>private conversion
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d REVIEWED: 3 (0M) [PATCH v12 23/45] KVM: Let userspace disable per-VM mem attributes, enable per-gmem attributes
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d REVIEWED: 5 (2M) [PATCH v12 14/45] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d REVIEWED: 5 (0M) [PATCH v12 21/45] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d REVIEWED: 1 (0M) [PATCH v12 20/45] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD16d [PATCH v12 12/45] KVM: guest_memfd: Always fault from guest_memfd if in-place conversion is enabled
  2026-08-31 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD28d REVIEWED: 3 (0M) [PATCH v11 23/46] KVM: Let userspace disable per-VM mem attributes, enable per-gmem attributes
  2026-08-26 · Ackerley Tng <hidden>
• COLD28d REVIEWED: 5 (0M) [PATCH v11 21/46] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-08-26 · Ackerley Tng <hidden>
• COLD28d REVIEWED: 1 (0M) [PATCH v11 20/46] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-08-26 · Ackerley Tng <hidden>
• COLD28d REVIEWED: 2 (0M) [PATCH v11 14/46] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-08-26 · Ackerley Tng <hidden>
• COLD28d REVIEWED: 5 (2M) [PATCH v11 13/46] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-08-26 · Ackerley Tng <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.

• STALE151d REVIEWED: 3 (2M) [PATCH v3 5/5] x86/virt/tdx: Remove kexec docs
  2026-04-02 · Vishal Verma <vishal.l.verma@intel.com> · 1 Reviewed-by, 1 Acked-by
• STALE112d REVIEWED: 4 (3M) [PATCH v10 25/25] x86/virt/tdx: Document TDX module update
  2026-05-20 · Chao Gao <hidden> · 3 Reviewed-by
• STALE92d REVIEWED: 1 (0M) [PATCH v7 13/42] KVM: guest_memfd: Advertise KVM_SET_MEMORY_ATTRIBUTES2 ioctl
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• COLD46d REVIEWED: 3 (0M) [PATCH v9 10/41] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-07-29 · Ackerley Tng <hidden> · 2 Reviewed-by, 1 Tested-by
• COLD46d REVIEWED: 2 (0M) [PATCH v9 11/41] KVM: guest_memfd: Ensure pages are not in use before conversion
  2026-07-29 · Ackerley Tng <hidden> · 1 Reviewed-by, 1 Tested-by
• COLD46d REVIEWED: 1 (0M) [PATCH v9 17/41] KVM: SEV: Make 'uaddr' parameter optional for KVM_SEV_SNP_LAUNCH_UPDATE
  2026-07-29 · Ackerley Tng <hidden> · 1 Tested-by
• COLD46d REVIEWED: 1 (0M) [PATCH v9 18/41] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-07-29 · Ackerley Tng <hidden> · 1 Tested-by
• COLD15d REVIEWED: 2 (0M) [PATCH v6 08/51] x86/sev: Shove SNP's secure/trusted TSC frequency directly into "calibration"
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by, 1 Tested-by
• COLD15d REVIEWED: 1 (0M) [PATCH v6 11/51] x86/tsc: Add dedicated hypervisor hooks for getting known TSC/CPU frequencies
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COLD29d REVIEWED: 5 (2M) [PATCH v10 10/41] KVM: guest_memfd: Add base support for KVM_SET_MEMORY_ATTRIBUTES2
  2026-08-07 · Ackerley Tng <hidden> · 3 Reviewed-by, 1 Tested-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.

• STALE197d [RFC PATCH v3 08/12] coco: host: KVM: arm64: Handle vdev request exits and completion
  2026-03-12 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE156d [PATCH v2 04/16] x86/resctrl: Support Privilege-Level Zero Association (PLZA)
  2026-03-12 · Babu Moger <babu.moger@amd.com>
• STALE156d [PATCH v2 11/16] fs/resctrl: Add write handler for info/kernel_mode
  2026-03-12 · Babu Moger <babu.moger@amd.com>
• STALE156d [PATCH v2 13/16] fs/resctrl: Add write interface for kernel_mode_assignment
  2026-03-12 · Babu Moger <babu.moger@amd.com>
• STALE157d [PATCH v13 11/48] arm64: RMI: Define the user ABI
  2026-03-18 · Steven Price <steven.price@arm.com>
• COOLING7d [RFC PATCH v4 13/16] coco: host: KVM: arm64: Handle vdev validate-mapping exits
  2026-04-27 · "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
• STALE136d [PATCH RFC v5 25/53] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE136d [PATCH RFC v5 28/53] KVM: Add CAP to enumerate supported SET_MEMORY_ATTRIBUTES2 flags
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE121d [PATCH v6 22/43] KVM: TDX: Make source page optional for KVM_TDX_INIT_MEM_REGION
  2026-05-07 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE72d [PATCH v14 16/44] KVM: arm64: Allow passing machine type in KVM creation
  2026-05-13 · Steven Price <steven.price@arm.com>