diff options
Diffstat (limited to 'include/linux/init.h')
| -rw-r--r-- | include/linux/init.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index e290a010e3f2..56ec4c62eee0 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -45,6 +45,19 @@ #define __exitdata __attribute__ ((__section__(".exit.data"))) #define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) +/* modpost check for section mismatches during the kernel build. + * A section mismatch happens when there are references from a + * code or data section to an init section (both code or data). + * The init sections are (for most archs) discarded by the kernel + * when early init has completed so all such references are potential bugs. + * For exit sections the same issue exists. + * The following markers are used for the cases where the reference to + * the init/exit section (code or data) is valid and will teach modpost + * not to issue a warning. + * The markers follow same syntax rules as __init / __initdata. */ +#define __init_refok noinline __attribute__ ((__section__ (".text.init.refok"))) +#define __initdata_refok __attribute__ ((__section__ (".data.init.refok"))) + #ifdef MODULE #define __exit __attribute__ ((__section__(".exit.text"))) #else @@ -72,7 +85,8 @@ extern char *saved_command_line; extern unsigned int reset_devices; /* used by init/main.c */ -extern void setup_arch(char **); +void setup_arch(char **); +void prepare_namespace(void); #endif @@ -228,7 +242,7 @@ void __init parse_early_param(void); #define __obsolete_setup(str) /* nothing */ #endif -/* Data marked not to be saved by software_suspend() */ +/* Data marked not to be saved by software suspend */ #define __nosavedata __attribute__ ((__section__ (".data.nosave"))) /* This means "can be init if no module support, otherwise module load |