summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/compiler-gcc.h12
-rw-r--r--include/linux/compiler.h10
2 files changed, 7 insertions, 15 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index d0ed9583743f..c9b58188ec61 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -52,18 +52,6 @@
*/
#define barrier_before_unreachable() asm volatile("")
-/*
- * Mark a position in code as unreachable. This can be used to
- * suppress control flow warnings after asm blocks that transfer
- * control elsewhere.
- */
-#define unreachable() \
- do { \
- annotate_unreachable(); \
- barrier_before_unreachable(); \
- __builtin_unreachable(); \
- } while (0)
-
#if defined(CONFIG_ARCH_USE_BUILTIN_BSWAP)
#define __HAVE_BUILTIN_BSWAP32__
#define __HAVE_BUILTIN_BSWAP64__
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 469a64dd6495..7be80897a62f 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -141,12 +141,16 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define __annotate_jump_table
#endif /* CONFIG_OBJTOOL */
-#ifndef unreachable
-# define unreachable() do { \
+/*
+ * Mark a position in code as unreachable. This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ */
+#define unreachable() do { \
annotate_unreachable(); \
+ barrier_before_unreachable(); \
__builtin_unreachable(); \
} while (0)
-#endif
/*
* KENTRY - kernel entry point