diff --git a/.gitignore b/.gitignore
index 98b91fccff45..f0efae5e2963 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@
 modules.builtin
 Module.symvers
 *.dwo
+*.su
 
 #
 # Top-level generic files