v4.19.13 snapshot.
diff --git a/drivers/target/loopback/Kconfig b/drivers/target/loopback/Kconfig
new file mode 100644
index 0000000..158ee9d
--- /dev/null
+++ b/drivers/target/loopback/Kconfig
@@ -0,0 +1,6 @@
+config LOOPBACK_TARGET
+	tristate "TCM Virtual SAS target and Linux/SCSI LDD fabric loopback module"
+	depends on SCSI
+	help
+	  Say Y here to enable the TCM Virtual SAS target and Linux/SCSI LLD
+	  fabric loopback module.