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Diffstat (limited to 'include/linux/module.h')
-rw-r--r--include/linux/module.h21
1 files changed, 7 insertions, 14 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index 23792d5d7b74..d94b196d5a34 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -306,7 +306,10 @@ extern int modules_disabled; /* for sysctl */
/* Get/put a kernel symbol (calls must be symmetric) */
void *__symbol_get(const char *symbol);
void *__symbol_get_gpl(const char *symbol);
-#define symbol_get(x) ((typeof(&x))(__symbol_get(__stringify(x))))
+#define symbol_get(x) ({ \
+ static const char __notrim[] \
+ __used __section(".no_trim_symbol") = __stringify(x); \
+ (typeof(&x))(__symbol_get(__stringify(x))); })
/* modules using other modules: kdb wants to see this. */
struct module_use {
@@ -367,7 +370,6 @@ enum mod_mem_type {
struct module_memory {
void *base;
- void *rw_copy;
bool is_rox;
unsigned int size;
@@ -663,7 +665,7 @@ static inline bool within_module(unsigned long addr, const struct module *mod)
return within_module_init(addr, mod) || within_module_core(addr, mod);
}
-/* Search for module by name: must be in a RCU-sched critical section. */
+/* Search for module by name: must be in a RCU critical section. */
struct module *find_module(const char *name);
extern void __noreturn __module_put_and_kthread_exit(struct module *mod,
@@ -769,15 +771,7 @@ static inline bool is_livepatch_module(struct module *mod)
void set_module_sig_enforced(void);
-void *__module_writable_address(struct module *mod, void *loc);
-
-static inline void *module_writable_address(struct module *mod, void *loc)
-{
- if (!IS_ENABLED(CONFIG_ARCH_HAS_EXECMEM_ROX) || !mod ||
- mod->state != MODULE_STATE_UNFORMED)
- return loc;
- return __module_writable_address(mod, loc);
-}
+void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data);
#else /* !CONFIG_MODULES... */
@@ -887,9 +881,8 @@ static inline bool module_is_coming(struct module *mod)
return false;
}
-static inline void *module_writable_address(struct module *mod, void *loc)
+static inline void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data)
{
- return loc;
}
#endif /* CONFIG_MODULES */