X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Finit.h;h=7a9f69992516553699058e9b8b5284a60dcd0490;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=45069e275b3dd389243fa631abfa6dd29c1e9a56;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/include/linux/init.h b/include/linux/init.h
index 45069e275..7a9f69992 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -66,6 +66,9 @@ typedef void (*exitcall_t)(void);
 
 extern initcall_t __con_initcall_start, __con_initcall_end;
 extern initcall_t __security_initcall_start, __security_initcall_end;
+
+/* Defined in init/main.c */
+extern char saved_command_line[];
 #endif
   
 #ifndef MODULE
@@ -107,25 +110,39 @@ extern initcall_t __security_initcall_start, __security_initcall_end;
 struct obs_kernel_param {
 	const char *str;
 	int (*setup_func)(char *);
+	int early;
 };
 
-/* OBSOLETE: see moduleparam.h for the right way. */
-#define __setup_param(str, unique_id, fn)			\
+/*
+ * Only for really core code.  See moduleparam.h for the normal way.
+ *
+ * Force the alignment so the compiler doesn't space elements of the
+ * obs_kernel_param "array" too far apart in .init.setup.
+ */
+#define __setup_param(str, unique_id, fn, early)			\
 	static char __setup_str_##unique_id[] __initdata = str;	\
 	static struct obs_kernel_param __setup_##unique_id	\
-		 __attribute_used__				\
-		 __attribute__((__section__(".init.setup")))	\
-		= { __setup_str_##unique_id, fn }
+		__attribute_used__				\
+		__attribute__((__section__(".init.setup")))	\
+		__attribute__((aligned((sizeof(long)))))	\
+		= { __setup_str_##unique_id, fn, early }
 
 #define __setup_null_param(str, unique_id)			\
-	__setup_param(str, unique_id, NULL)
+	__setup_param(str, unique_id, NULL, 0)
 
 #define __setup(str, fn)					\
-	__setup_param(str, fn, fn)
+	__setup_param(str, fn, fn, 0)
 
 #define __obsolete_setup(str)					\
 	__setup_null_param(str, __LINE__)
 
+/* NOTE: fn is as per module_param, not __setup!  Emits warning if fn
+ * returns non-zero. */
+#define early_param(str, fn)					\
+	__setup_param(str, fn, fn, 1)
+
+/* Relies on saved_command_line being set */
+void __init parse_early_param(void);
 #endif /* __ASSEMBLY__ */
 
 /**