libata-sff: ap->[last_]ctl are SFF specific

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

diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 1514d53..73dcf80 100644 (file)
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -52,7 +52,15 @@
 #define __deprecated                   __attribute__((deprecated))
 #define __packed                       __attribute__((packed))
 #define __weak                         __attribute__((weak))
-#define __naked                                __attribute__((naked))
+
+/*
+ * it doesn't make sense on ARM (currently the only user of __naked) to trace
+ * naked functions because then mcount is called without stack and frame pointer
+ * being set up and there is no chance to restore the lr register to the value
+ * before mcount was called.
+ */
+#define __naked                                __attribute__((naked)) notrace
+
 #define __noreturn                     __attribute__((noreturn))
 
 /*
@@ -71,6 +79,7 @@
 #define  noinline                      __attribute__((noinline))
 #define __attribute_const__            __attribute__((__const__))
 #define __maybe_unused                 __attribute__((unused))
+#define __always_unused                        __attribute__((unused))
 
 #define __gcc_header(x) #x
 #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)