diff --git a/[refs] b/[refs]
index 4ba50f3322e3..b0d5afbb73b8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4faa5285283fad081443e3612ca426a311bb6c7e
+refs/heads/master: 39ca371c45b04cd50d0974030ae051906fc516b6
diff --git a/trunk/Makefile b/trunk/Makefile
index 504ba3ceb296..be33d758c0fe 100644
--- a/trunk/Makefile
+++ b/trunk/Makefile
@@ -660,8 +660,10 @@ quiet_cmd_sysmap = SYSMAP
 # Link of vmlinux
 # If CONFIG_KALLSYMS is set .version is already updated
 # Generate System.map and verify that the content is consistent
-
+# Use + in front of the vmlinux_version rule to silent warning with make -j2
+# First command is ':' to allow us to use + in front of the rule
 define rule_vmlinux__
+	:
 	$(if $(CONFIG_KALLSYMS),,+$(call cmd,vmlinux_version))
 
 	$(call cmd,vmlinux__)