diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index ccc2b9d2956a..387340b1f6db 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -36,6 +36,7 @@
 #ifdef CONFIG_DYNAMIC_FTRACE
 
 int ftrace_arch_code_modify_prepare(void)
+    __acquires(&text_mutex)
 {
 	mutex_lock(&text_mutex);
 	set_kernel_text_rw();
@@ -44,6 +45,7 @@ int ftrace_arch_code_modify_prepare(void)
 }
 
 int ftrace_arch_code_modify_post_process(void)
+    __releases(&text_mutex)
 {
 	set_all_modules_text_ro();
 	set_kernel_text_ro();