objtool · Supported

Maintainers

• M Josh Poimboeuf <jpoimboe@kernel.org>
• M Peter Zijlstra <peterz@infradead.org>

Paths

• F include/linux/objtool*.h
• F tools/objtool/

Last 30 days

Most active threads (last 7 days)

• COOLING5d [PATCH v3 00/21] objtool/arm64: Port klp-build to arm64
  2026-06-30 18:40 · 1 reply in 7d · Josh Poimboeuf <jpoimboe@kernel.org>

Active reviewers (last 30 days)

• Kexin Liu <hidden>
  3 attestations (3 Co-developed-by) · last on 2026-06-08

Recent patches

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

• COOLING5d Re: [PATCH v3 14/21] objtool: Prevent kCFI hashes from being decoded as instructions
  2026-06-30 · Joe Lawrence <joe.lawrence@redhat.com>
• HOTtoday [PATCH v2 8/8] LoongArch: Add livepatch build (KLP) support
  2026-06-08 · George Guo <hidden>
• HOTtoday [PATCH v2 6/8] objtool/klp: Add LoongArch jump opcode bytes support
  2026-06-08 · George Guo <hidden>
• HOTtoday [PATCH v2 1/8] objtool/LoongArch: Add arch_adjusted_addend() for KLP support
  2026-06-08 · George Guo <hidden>
• COLD28d [PATCH 7/8] objtool/klp: Add LoongArch jump opcode bytes support
  2026-06-04 · George Guo <hidden>
• COLD28d [PATCH 2/8] objtool/LoongArch: Add arch_adjusted_addend() for KLP support
  2026-06-04 · George Guo <hidden>
• COLD28d [PATCH 1/8] LoongArch: Add livepatch build (KLP) support
  2026-06-04 · George Guo <hidden>
• COLD40d [RFC PATCH 5/6] livepatch: Remove obsolete per-object callbacks
  2026-05-13 · Yafang Shao <hidden>
• COOLING5d [PATCH v3 19/21] objtool/klp: Introduce objtool for arm64
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 18/21] objtool/klp: Clone inline alternative replacements
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 17/21] objtool/klp: Don't correlate arm64 mapping symbols
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 16/21] objtool/klp: Filter arm64 mapping symbols in find_symbol_by_offset()
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 14/21] objtool: Prevent kCFI hashes from being decoded as instructions
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 15/21] objtool/klp: Add arm64 support for prefix/PFE detection
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 12/21] objtool: Refactor elf_add_data() to use a growable data buffer
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 13/21] objtool: Reuse string references
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d REVIEWED: 3 (3M) [PATCH v3 11/21] objtool: Allow empty alternatives
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 10/21] objtool: Ignore jumps to the end of the function for checksum runs
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d REVIEWED: 3 (3M) [PATCH v3 08/21] objtool: Allow setting --mnop without --mcount
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING5d [PATCH v3 06/21] arm64: Annotate special section entries
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [RFC 2/4] objtool/klp: allow special section entry size overrides
  2026-05-12 · Joe Lawrence <joe.lawrence@redhat.com>
• COOLING11d [RFC 1/4] objtool/klp: add --symvers option to klp diff
  2026-05-12 · Joe Lawrence <joe.lawrence@redhat.com>
• COOLING11d [RFC 3/4] objtool/klp: add --arch option to display target architecture
  2026-05-12 · Joe Lawrence <joe.lawrence@redhat.com>
• STALE62d Re: [PATCH v2 00/53] objtool/klp: Some klp-build fixes and improvements
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d REVIEWED: 3 (3M) [PATCH v2 53/53] objtool/klp: Cache dont_correlate() result
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d [PATCH v2 51/53] objtool/klp: Fix kCFI prefix finding/cloning
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d [PATCH v2 52/53] objtool: Improve and simplify prefix symbol detection
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d [PATCH v2 49/53] objtool/klp: Fix position-dependent checksums for non-relocated jumps/calls
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d [PATCH v2 50/53] objtool: Grow __cfi_* prefix symbols for all CFI+CALL_PADDING
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>
• STALE62d [PATCH v2 48/53] objtool: Add insn_sym() helper
  2026-05-01 · Josh Poimboeuf <jpoimboe@kernel.org>

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.

• STALE136d [PATCH 1/8] objtool/klp: Remove redundent strcmp in correlate_symbols
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 2/8] objtool/klp: Remove trailing '_' in demangle_name()
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 3/8] objtool/klp: Use sym->demangled_name for symbol_name hash
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 4/8] objtool/klp: Also demangle global objects
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 5/8] objtool/klp: Remove .llvm suffix in demangle_name()
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 6/8] objtool/klp: Match symbols based on demangled_name for global variables
  2026-02-12 · Song Liu <song@kernel.org>
• STALE136d [PATCH 7/8] objtool/klp: Correlate locals to globals
  2026-02-12 · Song Liu <song@kernel.org>
• STALE131d [PATCH v2 1/8] objtool/klp: Remove redundent strcmp in correlate_symbols
  2026-02-19 · Song Liu <song@kernel.org>
• STALE131d [PATCH v2 2/8] objtool/klp: Remove trailing '_' in demangle_name()
  2026-02-19 · Song Liu <song@kernel.org>
• STALE131d [PATCH v2 3/8] objtool/klp: Use sym->demangled_name for symbol_name hash
  2026-02-19 · Song Liu <song@kernel.org>