diff options
| author | Nathan Chancellor <nathan@kernel.org> | 2025-08-21 14:15:48 -0700 |
|---|---|---|
| committer | Nathan Chancellor <nathan@kernel.org> | 2025-08-28 16:58:46 -0700 |
| commit | 573ad421cc551eb45d9ac9008395f93c070789b8 (patch) | |
| tree | 9d3adbec7a8ad7669c76912cbc31d34a807a202d /tools | |
| parent | a817de20091c3cf6de19d7ddf099b0e35003b7d0 (diff) | |
objtool: Drop noinstr hack for KCSAN_WEAK_MEMORY
Now that the minimum supported version of LLVM for building the kernel
has been bumped to 15.0.0, __no_kcsan will always ensure that the thread
sanitizer functions are not generated, so remove the check for tsan
functions in is_profiling_func() and the always true depends and
unnecessary select lines in KCSAN_WEAK_MEMORY.
Acked-by: Marco Elver <elver@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infraded.org>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20250821-bump-min-llvm-ver-15-v2-11-635f3294e5f0@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/objtool/check.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index d14f20ef1db1..efa4c060ff4e 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2453,16 +2453,6 @@ static bool is_profiling_func(const char *name) if (!strncmp(name, "__sanitizer_cov_", 16)) return true; - /* - * Some compilers currently do not remove __tsan_func_entry/exit nor - * __tsan_atomic_signal_fence (used for barrier instrumentation) with - * the __no_sanitize_thread attribute, remove them. Once the kernel's - * minimum Clang version is 14.0, this can be removed. - */ - if (!strncmp(name, "__tsan_func_", 12) || - !strcmp(name, "__tsan_atomic_signal_fence")) - return true; - return false; } |