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)

• COOLING4d [PATCH v4 00/22] kbuild: significantly speed up kernel builds
  2026-09-23 17:22 · 4 replies in 7d · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>

Recent patches

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

• COOLING4d [PATCH v4 19/22] objtool: decode instructions and resolve branch targets in parallel
  2026-09-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d [PATCH v4 18/22] objtool: size the instruction hash to the text
  2026-09-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d [PATCH v4 17/22] objtool: cache relocations, do less work, eliminate relocation hash
  2026-09-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING4d [PATCH v4 16/22] objtool: do not hash DWARF relocations
  2026-09-23 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING7d [RFC PATCH 11/46] liveupdate: Define CPU preservation linker sections
  2026-09-20 · Pasha Tatashin <pasha.tatashin@soleen.com>
• COOLING6d [PATCH v3 17/20] objtool: decode instructions and resolve branch targets in parallel
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH v3 16/20] objtool: size the instruction hash to the text
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH v3 15/20] objtool: cache relocations, do less work, eliminate relocation hash
  2026-09-17 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH v2 17/21] objtool: decode instructions and resolve branch targets in parallel
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH v2 16/21] objtool: size the instruction hash to the text
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING6d [PATCH v2 15/21] objtool: cache relocations, do less work
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING14d [PATCH 19/23] objtool: decode instructions and resolve branch targets in parallel
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING14d [PATCH 18/23] objtool: cache relocations and function dead end state, do less work
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• STALE283d [PATCH v7 22/31] objtool: Add noinstr validation for static branches/calls
  2025-11-14 · Valentin Schneider <vschneid@redhat.com>
• STALE283d REVIEWED: 7 (7M) [PATCH v7 02/31] objtool: Flesh out warning related to pv_ops[] calls
  2025-11-14 · Valentin Schneider <vschneid@redhat.com>
• STALE283d REVIEWED: 7 (7M) [PATCH v7 01/31] objtool: Make validate_call() recognize indirect calls to pv_ops[]
  2025-11-14 · Valentin Schneider <vschneid@redhat.com>
• STALE326d [PATCH v6 21/29] objtool: Add noinstr validation for static branches/calls
  2025-10-10 · Valentin Schneider <vschneid@redhat.com>
• STALE326d REVIEWED: 7 (7M) [PATCH v6 02/29] objtool: Flesh out warning related to pv_ops[] calls
  2025-10-10 · Valentin Schneider <vschneid@redhat.com>
• STALE326d REVIEWED: 7 (7M) [PATCH v6 01/29] objtool: Make validate_call() recognize indirect calls to pv_ops[]
  2025-10-10 · Valentin Schneider <vschneid@redhat.com>
• STALE511d [PATCH v5 21/25] objtool: Add noinstr validation for static branches/calls
  2025-04-29 · Valentin Schneider <vschneid@redhat.com>
• STALE511d REVIEWED: 7 (7M) [PATCH v5 02/25] objtool: Flesh out warning related to pv_ops[] calls
  2025-04-29 · Valentin Schneider <vschneid@redhat.com>
• STALE511d REVIEWED: 7 (7M) [PATCH v5 01/25] objtool: Make validate_call() recognize indirect calls to pv_ops[]
  2025-04-29 · Valentin Schneider <vschneid@redhat.com>
• STALE551d [PATCH v4 20/30] objtool: Add noinstr validation for static branches/calls
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE551d REVIEWED: 7 (7M) [PATCH v4 02/30] objtool: Flesh out warning related to pv_ops[] calls
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE551d REVIEWED: 7 (7M) [PATCH v4 01/30] objtool: Make validate_call() recognize indirect calls to pv_ops[]
  2025-01-14 · Valentin Schneider <vschneid@redhat.com>
• STALE655d REVIEWED: 21 (21M) [PATCH v7 7/7] Add Propeller configuration for kernel build
  2024-11-02 · Rong Xu <xur@google.com>
• STALE655d REVIEWED: 29 (28M) [PATCH v7 2/7] objtool: Fix unreachable instruction warnings for weak functions
  2024-11-02 · Rong Xu <xur@google.com>
• STALE655d REVIEWED: 22 (21M) [PATCH v7 1/7] Add AutoFDO support for Clang build
  2024-11-02 · Rong Xu <xur@google.com>
• STALE685d REVIEWED: 2 (2M) [PATCH v6 7/7] Add Propeller configuration for kernel build
  2024-10-26 · Rong Xu <xur@google.com>
• STALE685d REVIEWED: 3 (2M) [PATCH v6 2/7] objtool: Fix unreachable instruction warnings for weak functions
  2024-10-26 · Rong Xu <xur@google.com>