diff options
| -rw-r--r-- | include/linux/compiler-gcc.h | 3 | ||||
| -rw-r--r-- | include/linux/compiler.h | 7 |
2 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 0eb2a1cc411d..cf294faec2f8 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -146,8 +146,7 @@ #endif #if defined(__SANITIZE_THREAD__) && __has_attribute(__no_sanitize_thread__) -#define __no_sanitize_thread \ - __attribute__((__noinline__)) __attribute__((no_sanitize_thread)) +#define __no_sanitize_thread __attribute__((no_sanitize_thread)) #else #define __no_sanitize_thread #endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h index ad8c76144a3c..8c0beb10c1dd 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -207,12 +207,15 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, # define __no_kasan_or_inline __always_inline #endif +#define __no_kcsan __no_sanitize_thread #ifdef __SANITIZE_THREAD__ /* * Rely on __SANITIZE_THREAD__ instead of CONFIG_KCSAN, to avoid not inlining in - * compilation units where instrumentation is disabled. + * compilation units where instrumentation is disabled. The attribute 'noinline' + * is required for older compilers, where implicit inlining of very small + * functions renders __no_sanitize_thread ineffective. */ -# define __no_kcsan_or_inline __no_sanitize_thread notrace __maybe_unused +# define __no_kcsan_or_inline __no_kcsan noinline notrace __maybe_unused # define __no_sanitize_or_inline __no_kcsan_or_inline #else # define __no_kcsan_or_inline __always_inline |