diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c
index bd2bc5d..cb5490e 100644
--- a/lib/kernel_lock.c
+++ b/lib/kernel_lock.c
@@ -177,8 +177,7 @@
 
 static inline void __unlock_kernel(void)
 {
-	_raw_spin_unlock(&kernel_flag);
-	preempt_enable();
+	spin_unlock(&kernel_flag);
 }
 
 /*