[PATCH] x86-64: add read implies exec macro

Add read implies exec personality.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-x86_64/elf.h

@@ -144,6 +144,13 @@ typedef struct user_i387_struct elf_fpregset_t;
 extern void set_personality_64bit(void);
 #define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
 	
+/*
+ * An executable for which elf_read_implies_exec() returns TRUE will
+ * have the READ_IMPLIES_EXEC personality flag set automatically.
+ */
+#define elf_read_implies_exec_binary(ex, have_pt_gnu_stack)   \
+	 (!(have_pt_gnu_stack))
+
 extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
 extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);