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)

• WARM2d [PATCH v3 00/12] LoongArch: Add livepatch build (KLP) support
  2026-07-07 07:23 · 6 replies in 7d · George Guo <hidden>

Active reviewers (last 30 days)

• Joe Lawrence <joe.lawrence@redhat.com>
  4 attestations (3 Reported-by, 1 Suggested-by) · last on 2026-07-07
• Kexin Liu <hidden>
  3 attestations (3 Co-developed-by) · last on 2026-07-07
• Peter Zijlstra (Intel) <peterz@infradead.org>
  1 attestation (1 Acked-by) · last on 2026-06-29
• Mike Rapoport (Microsoft) <rppt@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-06-29

Recent patches

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

• WARM2d [PATCH v3 12/12] objtool/klp: Fold LoongArch paired ADD/SUB relocations into PCREL
  2026-07-07 · George Guo <hidden>
• WARM2d [PATCH v3 11/12] objtool/klp: Fix ANNOTATE_DATA_SPECIAL parsing for local label references
  2026-07-07 · George Guo <hidden>
• WARM2d [PATCH v3 10/12] objtool/klp: Convert local label references in special sections
  2026-07-07 · George Guo <hidden>
• WARM2d [PATCH v3 08/12] LoongArch: Add livepatch build (KLP) support
  2026-07-07 · George Guo <hidden>
• WARM2d [PATCH v3 06/12] objtool/klp: Add LoongArch jump opcode bytes support
  2026-07-07 · George Guo <hidden>
• WARM2d [PATCH v3 01/12] objtool/LoongArch: Add arch_adjusted_addend() for KLP support
  2026-07-07 · George Guo <hidden>
• COOLING9d [PATCH] tools/objtool: Fix typo in warning message
  2026-07-01 · Praveen Rajendran <hidden>
• WARM2d Re: [PATCH v2] mm/vmalloc: widen guard region to defeat ENTER-based stack pivot
  2026-07-01 · Peter Zijlstra <peterz@infradead.org>
• COOLING11d Re: [PATCH v3 14/21] objtool: Prevent kCFI hashes from being decoded as instructions
  2026-06-30 · Joe Lawrence <joe.lawrence@redhat.com>
• COOLING11d Re: objtool: undefined stack state in folio_zero_user()
  2026-06-30 · Peter Zijlstra <peterz@infradead.org>
• DORMANTno replies REVIEWED: 28 (28M) [PATCH -v1.1] x86/alternative: Drop smp_locks glue
  2026-06-29 · Borislav Petkov <bp@alien8.de>
• COOLING12d [PATCH v4 13/18] x86/paravirt: Split off MSR related hooks into new header
  2026-06-29 · Juergen Gross <jgross@suse.com>
• DORMANTno replies [PATCH] tools: objtool: Replace explicit script name to shell variable
  2026-06-27 · Bhaskar Chowdhury <hidden>
• COLD17d [PATCH] objtool: fix UNRET warning typo
  2026-06-24 · Yousef Alhouseen <hidden>
• COOLING13d [PATCH] x86/alternative: Drop smp_locks glue
  2026-06-13 · Borislav Petkov <bp@alien8.de>
• COOLING6d [PATCH v2 8/8] LoongArch: Add livepatch build (KLP) support
  2026-06-08 · George Guo <hidden>
• COOLING6d [PATCH v2 6/8] objtool/klp: Add LoongArch jump opcode bytes support
  2026-06-08 · George Guo <hidden>
• COOLING6d [PATCH v2 1/8] objtool/LoongArch: Add arch_adjusted_addend() for KLP support
  2026-06-08 · George Guo <hidden>
• COLD34d [PATCH 7/8] objtool/klp: Add LoongArch jump opcode bytes support
  2026-06-04 · George Guo <hidden>
• COLD34d [PATCH 2/8] objtool/LoongArch: Add arch_adjusted_addend() for KLP support
  2026-06-04 · George Guo <hidden>
• COLD34d [PATCH 1/8] LoongArch: Add livepatch build (KLP) support
  2026-06-04 · George Guo <hidden>
• COLD38d REVIEWED: 7 (7M) [PATCH v7 16/23] tools: objtool: Append extra host cflags
  2026-06-02 · Leo Yan <leo.yan@arm.com>
• COOLING11d [PATCH v3 19/21] objtool/klp: Introduce objtool for arm64
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 18/21] objtool/klp: Clone inline alternative replacements
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 17/21] objtool/klp: Don't correlate arm64 mapping symbols
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 16/21] objtool/klp: Filter arm64 mapping symbols in find_symbol_by_offset()
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 14/21] objtool: Prevent kCFI hashes from being decoded as instructions
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 15/21] objtool/klp: Add arm64 support for prefix/PFE detection
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 12/21] objtool: Refactor elf_add_data() to use a growable data buffer
  2026-05-13 · Josh Poimboeuf <jpoimboe@kernel.org>
• COOLING11d [PATCH v3 13/21] objtool: Reuse string references
  2026-05-13 · Josh Poimboeuf <jpoimboe@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.

• STALE142d REVIEWED: 1 (1M) [tip: x86/paravirt] x86/xen: Drop xen_mmu_ops
  2026-01-14 · tip-bot2 for Juergen Gross <hidden> · 1 Reviewed-by
• STALE142d REVIEWED: 1 (1M) [tip: x86/paravirt] x86/xen: Drop xen_cpu_ops
  2026-01-14 · tip-bot2 for Juergen Gross <hidden> · 1 Reviewed-by
• STALE142d REVIEWED: 1 (1M) [tip: x86/paravirt] x86/xen: Drop xen_irq_ops
  2026-01-14 · tip-bot2 for Juergen Gross <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 18 (18M) [tip: objtool/urgent] objtool: Fix libopcodes linking with static libraries
  2026-01-21 · tip-bot2 for Sasha Levin <hidden> · 1 Tested-by
• DORMANTno replies REVIEWED: 3 (3M) [tip: objtool/urgent] objtool/klp: Fix bug table handling for __WARN_printf()
  2026-01-28 · tip-bot2 for Josh Poimboeuf <hidden> · 1 Tested-by
• DORMANTno replies REVIEWED: 1 (0M) [tip: objtool/urgent] objtool: Print bfd_vma as unsigned long long on ia32-x86_64 cross build
  2026-01-28 · tip-bot2 for Dmitry Safonov <hidden> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (1M) [tip: objtool/urgent] objtool: Use HOSTCFLAGS for HAVE_XXHASH test
  2026-03-09 · tip-bot2 for HONG Yifan <hidden> · 1 Reviewed-by
• STALE117d REVIEWED: 1 (1M) [PATCH AUTOSEL 6.19] objtool: Use HOSTCFLAGS for HAVE_XXHASH test
  2026-03-17 · Sasha Levin <sashal@kernel.org> · 1 Reviewed-by
• STALE110d REVIEWED: 5 (5M) [PATCH v2 2/4] kcov: wire up compiler instrumentation for CONFIG_KCOV_EXT_RECORDS
  2026-03-18 · Jann Horn <jannh@google.com> · 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.

• DORMANTno replies Re: Linux 6.12.63
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE206d Re: Linux 6.18.2
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.17.13
  2025-12-18 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE125d [RFC/RFT PATCH 07/19] tools/objtool: Treat indirect ftrace calls as direct calls
  2026-01-08 · Ard Biesheuvel <ardb@kernel.org>
• DORMANTno replies Re: Linux 6.1.160
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE182d Re: Linux 6.6.120
  2026-01-11 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies [tip: objtool/urgent] objtool: fix build failure due to missing libopcodes check
  2026-01-13 · tip-bot2 for Sasha Levin <hidden>
• DORMANTno replies [tip: objtool/urgent] objtool: fix compilation failure with the x32 toolchain
  2026-01-13 · tip-bot2 for Mikulas Patocka <hidden>
• STALE142d [tip: x86/paravirt] x86/pvlocks: Move paravirt spinlock functions into own header
  2026-01-14 · tip-bot2 for Juergen Gross <hidden>
• STALE142d [tip: x86/paravirt] objtool: Allow multiple pv_ops arrays
  2026-01-14 · tip-bot2 for Juergen Gross <hidden>