diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-01 11:00:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-03-01 11:00:43 -0800 |
| commit | b4102208706710b3d6da7ea2ee916cea32823b7c (patch) | |
| tree | 643d1fc4bb7eb64a3cff16b2dccd9cda1f409564 | |
| parent | afa844360bc527d2a7e9e2542b5bd59b361cfb7c (diff) | |
| parent | ab6088e7a95943af3452b20e3b96caaaef3eeebd (diff) | |
Merge tag 'locking-urgent-2026-03-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
| -rw-r--r-- | lib/Kconfig.debug | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 318df4c75454..57ba7f1148e5 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -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. |