Merge 4.4.118 into android-4.4

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / include / linux / module.h

diff --git a/include/linux/module.h b/include/linux/module.h
index 3a19c79..dfe5c2e 100644 (file)
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -125,13 +125,13 @@ extern void cleanup_module(void);
 
 /* Each module must use one module_init(). */
 #define module_init(initfn)                                    \
-       static inline initcall_t __inittest(void)               \
+       static inline initcall_t __maybe_unused __inittest(void)                \
        { return initfn; }                                      \
        int init_module(void) __attribute__((alias(#initfn)));
 
 /* This is only required if you want to be unloadable. */
 #define module_exit(exitfn)                                    \
-       static inline exitcall_t __exittest(void)               \
+       static inline exitcall_t __maybe_unused __exittest(void)                \
        { return exitfn; }                                      \
        void cleanup_module(void) __attribute__((alias(#exitfn)));
 
@@ -302,6 +302,12 @@ struct mod_tree_node {
        struct latch_tree_node node;
 };
 
+struct mod_kallsyms {
+       Elf_Sym *symtab;
+       unsigned int num_symtab;
+       char *strtab;
+};
+
 struct module {
        enum module_state state;
 
@@ -411,14 +417,9 @@ struct module {
 #endif
 
 #ifdef CONFIG_KALLSYMS
-       /*
-        * We keep the symbol and string tables for kallsyms.
-        * The core_* fields below are temporary, loader-only (they
-        * could really be discarded after module init).
-        */
-       Elf_Sym *symtab, *core_symtab;
-       unsigned int num_symtab, core_num_syms;
-       char *strtab, *core_strtab;
+       /* Protected by RCU and/or module_mutex: use rcu_dereference() */
+       struct mod_kallsyms *kallsyms;
+       struct mod_kallsyms core_kallsyms;
 
        /* Section attributes */
        struct module_sect_attrs *sect_attrs;
@@ -788,6 +789,15 @@ static inline void module_bug_finalize(const Elf_Ehdr *hdr,
 static inline void module_bug_cleanup(struct module *mod) {}
 #endif /* CONFIG_GENERIC_BUG */
 
+#ifdef RETPOLINE
+extern bool retpoline_module_ok(bool has_retpoline);
+#else
+static inline bool retpoline_module_ok(bool has_retpoline)
+{
+       return true;
+}
+#endif
+
 #ifdef CONFIG_MODULE_SIG
 static inline bool module_sig_ok(struct module *module)
 {