diff -up linux-3.10.0-123.el7.x86_64/Makefile.ignorewarnings linux-3.10.0-123.el7.x86_64/Makefile
--- linux-3.10.0-123.el7.x86_64/Makefile.ignorewarnings	2014-05-05 10:58:32.000000000 -0400
+++ linux-3.10.0-123.el7.x86_64/Makefile	2014-06-22 16:39:31.466910127 -0400
@@ -379,7 +379,7 @@ KBUILD_CFLAGS   := -Wall -Wundef -Wstric
 		   -fno-delete-null-pointer-checks
 
 ifeq ($(KBUILD_EXTMOD),)
-ifneq (,$(filter $(ARCH), x86 x86_64))
+ifneq (,$(filter $(ARCH), x86_64))
 KBUILD_CFLAGS   += $(call cc-ifversion, -eq, 0408, -Werror)
 endif
 endif