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-rw-r--r--include/linux/module.h7
-rw-r--r--kernel/module.c10
2 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index fe5aa3736707..c69b49abe877 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -639,6 +639,8 @@ static inline bool is_livepatch_module(struct module *mod)
}
#endif /* CONFIG_LIVEPATCH */
+bool is_module_sig_enforced(void);
+
#else /* !CONFIG_MODULES... */
static inline struct module *__module_address(unsigned long addr)
@@ -753,6 +755,11 @@ static inline bool module_requested_async_probing(struct module *module)
return false;
}
+static inline bool is_module_sig_enforced(void)
+{
+ return false;
+}
+
#endif /* CONFIG_MODULES */
#ifdef CONFIG_SYSFS
diff --git a/kernel/module.c b/kernel/module.c
index de66ec825992..d1c194b057a2 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -278,6 +278,16 @@ static bool sig_enforce = IS_ENABLED(CONFIG_MODULE_SIG_FORCE);
module_param(sig_enforce, bool_enable_only, 0644);
#endif /* !CONFIG_MODULE_SIG_FORCE */
+/*
+ * Export sig_enforce kernel cmdline parameter to allow other subsystems rely
+ * on that instead of directly to CONFIG_MODULE_SIG_FORCE config.
+ */
+bool is_module_sig_enforced(void)
+{
+ return sig_enforce;
+}
+EXPORT_SYMBOL(is_module_sig_enforced);
+
/* Block module loading/unloading? */
int modules_disabled = 0;
core_param(nomodule, modules_disabled, bint, 0);