1 files changed, 1 insertions, 1 deletions
diff --git a/src/cpu.c b/src/cpu.c
index 48ddb12c46..a7d56ba999 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -185,4 +185,4 @@ void rt_cpus_lock_status_restore(struct rt_thread *thread)
 }
 RTM_EXPORT(rt_cpus_lock_status_restore);
 
-#endif
+#endif /* RT_USING_SMP */