extern struct file_system_type rootfs_fs_type;
-#if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_STRICT_MODULE_RWX)
extern bool rodata_enabled;
-#endif
-#ifdef CONFIG_STRICT_KERNEL_RWX
void mark_rodata_ro(void);
-#endif
extern void (*late_time_init)(void);
early_param("rodata", set_debug_rodata);
#endif
-#ifdef CONFIG_STRICT_KERNEL_RWX
static void mark_readonly(void)
{
- if (rodata_enabled) {
+ if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX) && rodata_enabled) {
/*
* load_module() results in W+X mappings, which are cleaned
* up with call_rcu(). Let's make sure that queued work is
rcu_barrier();
mark_rodata_ro();
rodata_test();
- } else
+ } else if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) {
pr_info("Kernel memory protection disabled.\n");
+ } else if (IS_ENABLED(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX)) {
+ pr_warn("Kernel memory protection not selected by kernel config.\n");
+ } else {
+ pr_warn("This architecture does not have kernel memory protection.\n");
+ }
}
-#elif defined(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX)
-static inline void mark_readonly(void)
-{
- pr_warn("Kernel memory protection not selected by kernel config.\n");
-}
-#else
-static inline void mark_readonly(void)
-{
- pr_warn("This architecture does not have kernel memory protection.\n");
-}
-#endif
void __weak free_initmem(void)
{