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Merge tag 'locking-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull locking fix from Ingo Molnar:
 "Now that LLVM 22 has been released officially, require a release
  version to use the new CONFIG_WARN_CONTEXT_ANALYSIS feature.

  In particular this avoids the widely used Android clang 22.0.1
  pre-release build which is known to be broken for this usecase"

* tag 'locking-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lib/Kconfig.debug: Require a release version of LLVM 22 for context analysis
This commit is contained in:
Linus Torvalds
2026-03-01 11:00:43 -08:00
parent afa844360b ab6088e7a9
commit b410220870
1 changed files with 2 additions and 2 deletions
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4
lib/Kconfig.debug
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@@ -630,7 +630,7 @@ config DEBUG_FORCE_WEAK_PER_CPU
config WARN_CONTEXT_ANALYSIS
bool "Compiler context-analysis warnings"
depends on CC_IS_CLANG && CLANG_VERSION >= 220000
depends on CC_IS_CLANG && CLANG_VERSION >= 220100
# Branch profiling re-defines "if", which messes with the compiler's
# ability to analyze __cond_acquires(..), resulting in false positives.
depends on !TRACE_BRANCH_PROFILING
@@ -641,7 +641,7 @@ config WARN_CONTEXT_ANALYSIS
and releasing user-definable "context locks".
Clang's name of the feature is "Thread Safety Analysis". Requires
Clang 22 or later.
Clang 22.1.0 or later.
Produces warnings by default. Select CONFIG_WERROR if you wish to
turn these warnings into errors.