add upper-32-bits macro

[safe/jmp/linux-2.6] / include / linux / compiler-gcc4.h

diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index e913e9b..a03e939 100644 (file)
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -3,7 +3,23 @@
 /* These definitions are for GCC v4.x.  */
 #include <linux/compiler-gcc.h>
 
-#define __attribute_used__     __attribute__((__used__))
+#ifdef CONFIG_FORCED_INLINING
+# undef inline
+# undef __inline__
+# undef __inline
+# define inline                        inline          __attribute__((always_inline))
+# define __inline__            __inline__      __attribute__((always_inline))
+# define __inline              __inline        __attribute__((always_inline))
+#endif
+
+#define __used                 __attribute__((__used__))
+#define __attribute_used__     __used                  /* deprecated */
 #define __must_check           __attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
+#define __always_inline                inline __attribute__((always_inline))
 
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x