diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 481273f0c..465060acc 100755 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -71,15 +71,14 @@ static inline void *dereference_symbol_descriptor(void *ptr) return ptr; } -#ifdef CONFIG_KALLSYMS -/* Lookup the address for a symbol. Returns 0 if not found. */ -unsigned long kallsyms_lookup_name(const char *name); - -/* Call a function on each kallsyms symbol in the core kernel */ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); +#ifdef CONFIG_KALLSYMS +/* Lookup the address for a symbol. Returns 0 if not found. */ +unsigned long kallsyms_lookup_name(const char *name); + extern int kallsyms_lookup_size_offset(unsigned long addr, unsigned long *symbolsize, unsigned long *offset); @@ -108,14 +107,6 @@ static inline unsigned long kallsyms_lookup_name(const char *name) return 0; } -static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, - unsigned long), - void *data) -{ - return 0; -} - static inline int kallsyms_lookup_size_offset(unsigned long addr, unsigned long *symbolsize, unsigned long *offset) diff --git a/include/linux/module.h b/include/linux/module.h index 7b800e2df..07928367e 100755 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -621,10 +621,6 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, /* Look for this name: can be of form module:name. */ unsigned long module_kallsyms_lookup_name(const char *name); -int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, unsigned long), - void *data); - extern void __noreturn __module_put_and_exit(struct module *mod, long code); #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code) @@ -808,14 +804,6 @@ static inline unsigned long module_kallsyms_lookup_name(const char *name) return 0; } -static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, - unsigned long), - void *data) -{ - return 0; -} - static inline int register_module_notifier(struct notifier_block *nb) { /* no events will happen anyway, so this can always succeed */ @@ -904,4 +892,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, + struct module *, unsigned long), + void *data); + #endif /* _LINUX_MODULE_H */ diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 126d4433d..17d3a704b 100755 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -200,6 +200,7 @@ unsigned long kallsyms_lookup_name(const char *name) return module_kallsyms_lookup_name(name); } +#ifdef CONFIG_LIVEPATCH /* * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead. @@ -221,6 +222,7 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, } return 0; } +#endif /* CONFIG_LIVEPATCH */ static unsigned long get_symbol_pos(unsigned long addr, unsigned long *symbolsize, diff --git a/kernel/module.c b/kernel/module.c index d4bdab2b1..f3ed6f044 100755 --- a/kernel/module.c +++ b/kernel/module.c @@ -4575,6 +4575,7 @@ unsigned long module_kallsyms_lookup_name(const char *name) return ret; } +#ifdef CONFIG_LIVEPATCH int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data) @@ -4605,6 +4606,7 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, mutex_unlock(&module_mutex); return ret; } +#endif /* CONFIG_LIVEPATCH */ #endif /* CONFIG_KALLSYMS */ static void cfi_init(struct module *mod)