live update · Maintained

Maintainers

• M Pasha Tatashin <pasha.tatashin@soleen.com>
• M Mike Rapoport <rppt@kernel.org>
• M Pratyush Yadav <pratyush@kernel.org>

Paths

• F Documentation/core-api/liveupdate.rst
• F Documentation/mm/memfd_preservation.rst
• F Documentation/userspace-api/liveupdate.rst
• F include/linux/kho/abi/
• F include/linux/liveupdate.h
• F include/uapi/linux/liveupdate.h
• F kernel/liveupdate/
• F lib/tests/liveupdate.c
• F mm/memfd_luo.c
• F tools/testing/selftests/liveupdate/

Last 30 days

Most active threads (last 7 days)

• WARM1d [RFC PATCH 0/3] liveupdate: Move to feature flags for LUO and memfd ABI compatibility
  2026-09-03 02:35 · 3 replies in 7d · Logan Odell <hidden>

Active reviewers (last 30 days)

• Pratyush Yadav <pratyush@kernel.org>
  1 attestation (1 Suggested-by) · last on 2026-09-03

Recent patches

Most-recent 15 patches in this subsystem on linux-arm-kernel, ordered by date desc.

• WARM1d [RFC PATCH 2/3] luo: Export feature support to vmlinux section
  2026-09-03 · Logan Odell <hidden>
• WARM1d [RFC PATCH 1/3] luo: Move to feature flags instead of compatibility strings
  2026-09-03 · Logan Odell <hidden>
• WARM1d [RFC PATCH 3/3] luo: memfd: Move to feature flags instead of compatibility strings
  2026-09-03 · Logan Odell <hidden>
• STALE94d [RFC PATCH 13/20] kho: add radix tree freeze and del_key() error reporting
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 14/20] kho: Add crash-kernel-safe radix tree presence check
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 11/20] kho: return virtual address of mem_map
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 10/20] kho: extended scratch
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 08/20] kho: add kho_radix_init_tree()
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 07/20] kho: allow destroying KHO radix tree
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 06/20] kho: allow early-boot usage of the KHO radix tree
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 05/20] kho: add data argument to radix walk callback
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 04/20] kho: add callback for table pages
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 03/20] kho: add a struct for radix callbacks
  2026-05-28 · Jork Loeser <hidden>
• STALE94d REVIEWED: 5 (5M) [RFC PATCH 01/20] kho: generalize radix tree APIs
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 02/20] kho: store incoming radix tree in kho_in
  2026-05-28 · Jork Loeser <hidden>

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.

• STALE94d [RFC PATCH 03/20] kho: add a struct for radix callbacks
  2026-05-28 · Jork Loeser <hidden>
• STALE94d [RFC PATCH 07/20] kho: allow destroying KHO radix tree
  2026-05-28 · Jork Loeser <hidden>