Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-block.git] / include / linux / compiler.h

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 7947f4f6fa51a323ad6c7165a6476cfc13396f6b..acbd654cc850beec15eae58fc6f1ed1cec7ac0cf 100644 (file)
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -144,6 +144,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define barrier() __memory_barrier()
 #endif
 
+/* Unreachable code */
+#ifndef unreachable
+# define unreachable() do { } while (1)
+#endif
+
 #ifndef RELOC_HIDE
 # define RELOC_HIDE(ptr, off)                                  \
   ({ unsigned long __ptr;                                      \