diff options
Diffstat (limited to 'include/linux/init.h')
| -rw-r--r-- | include/linux/init.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index 45069e275b3d..641657ebe067 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -3,6 +3,7 @@ #include <linux/config.h> #include <linux/compiler.h> +#include <asm/setup.h> /* These macros are used to mark some functions or * initialized data (doesn't apply to uninitialized data) @@ -66,6 +67,9 @@ 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[COMMAND_LINE_SIZE]; #endif #ifndef MODULE @@ -107,25 +111,33 @@ 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. */ +#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 } + = { __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__ */ /** |