Merge tag 'thermal-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal...

[linux-2.6-microblaze.git] / include / linux / compiler_types.h

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index d4e1956..21aed09 100644 (file)
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -171,6 +171,38 @@ struct ftrace_likely_data {
  */
 #define noinline_for_stack noinline
 
+/*
+ * Sanitizer helper attributes: Because using __always_inline and
+ * __no_sanitize_* conflict, provide helper attributes that will either expand
+ * to __no_sanitize_* in compilation units where instrumentation is enabled
+ * (__SANITIZE_*__), or __always_inline in compilation units without
+ * instrumentation (__SANITIZE_*__ undefined).
+ */
+#ifdef __SANITIZE_ADDRESS__
+/*
+ * We can't declare function 'inline' because __no_sanitize_address conflicts
+ * with inlining. Attempt to inline it may cause a build failure.
+ *     https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67368
+ * '__maybe_unused' allows us to avoid defined-but-not-used warnings.
+ */
+# define __no_kasan_or_inline __no_sanitize_address notrace __maybe_unused
+# define __no_sanitize_or_inline __no_kasan_or_inline
+#else
+# define __no_kasan_or_inline __always_inline
+#endif
+
+#define __no_kcsan __no_sanitize_thread
+#ifdef __SANITIZE_THREAD__
+# define __no_kcsan_or_inline __no_kcsan notrace __maybe_unused
+# define __no_sanitize_or_inline __no_kcsan_or_inline
+#else
+# define __no_kcsan_or_inline __always_inline
+#endif
+
+#ifndef __no_sanitize_or_inline
+#define __no_sanitize_or_inline __always_inline
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */