diff options
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/module.c | 22 | ||||
| -rw-r--r-- | include/linux/moduleloader.h | 5 | ||||
| -rw-r--r-- | kernel/module.c | 9 |
4 files changed, 32 insertions, 5 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 66a04f6f4775..c88a48d622fc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1517,6 +1517,7 @@ config ARCH_HAS_HOLES_MEMORYMODEL config ARCH_SPARSEMEM_ENABLE bool + select SPARSEMEM_STATIC config ARCH_SPARSEMEM_DEFAULT def_bool ARCH_SPARSEMEM_ENABLE diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index deef17f34bd2..af0a8500a24e 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -55,6 +55,13 @@ void *module_alloc(unsigned long size) } #endif +bool module_init_section(const char *name) +{ + return strstarts(name, ".init") || + strstarts(name, ".ARM.extab.init") || + strstarts(name, ".ARM.exidx.init"); +} + bool module_exit_section(const char *name) { return strstarts(name, ".exit") || @@ -409,8 +416,17 @@ module_arch_cleanup(struct module *mod) #ifdef CONFIG_ARM_UNWIND int i; - for (i = 0; i < ARM_SEC_MAX; i++) - if (mod->arch.unwind[i]) - unwind_table_del(mod->arch.unwind[i]); + for (i = 0; i < ARM_SEC_MAX; i++) { + unwind_table_del(mod->arch.unwind[i]); + mod->arch.unwind[i] = NULL; + } +#endif +} + +void __weak module_arch_freeing_init(struct module *mod) +{ +#ifdef CONFIG_ARM_UNWIND + unwind_table_del(mod->arch.unwind[ARM_SEC_INIT]); + mod->arch.unwind[ARM_SEC_INIT] = NULL; #endif } diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index ca92aea8a6bd..4fa67a8b2265 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -29,6 +29,11 @@ void *module_alloc(unsigned long size); /* Free memory returned from module_alloc. */ void module_memfree(void *module_region); +/* Determines if the section name is an init section (that is only used during + * module loading). + */ +bool module_init_section(const char *name); + /* Determines if the section name is an exit section (that is only used during * module unloading) */ diff --git a/kernel/module.c b/kernel/module.c index 646f1e2330d2..d29c23d07aff 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2400,7 +2400,7 @@ static void layout_sections(struct module *mod, struct load_info *info) if ((s->sh_flags & masks[m][0]) != masks[m][0] || (s->sh_flags & masks[m][1]) || s->sh_entsize != ~0UL - || strstarts(sname, ".init")) + || module_init_section(sname)) continue; s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i); pr_debug("\t%s\n", sname); @@ -2433,7 +2433,7 @@ static void layout_sections(struct module *mod, struct load_info *info) if ((s->sh_flags & masks[m][0]) != masks[m][0] || (s->sh_flags & masks[m][1]) || s->sh_entsize != ~0UL - || !strstarts(sname, ".init")) + || !module_init_section(sname)) continue; s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i) | INIT_OFFSET_MASK); @@ -2768,6 +2768,11 @@ void * __weak module_alloc(unsigned long size) return vmalloc_exec(size); } +bool __weak module_init_section(const char *name) +{ + return strstarts(name, ".init"); +} + bool __weak module_exit_section(const char *name) { return strstarts(name, ".exit"); |