--- a/Makefile
+++ b/Makefile
@@ -636,12 +636,12 @@ KBUILD_CFLAGS	+= $(call cc-option,-fdata
 endif
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,) $(EXTRA_OPTIMIZATION)
 else
 ifdef CONFIG_PROFILE_ALL_BRANCHES
-KBUILD_CFLAGS	+= -O2 $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS	+= -O2 $(call cc-disable-warning,maybe-uninitialized,) $(EXTRA_OPTIMIZATION)
 else
-KBUILD_CFLAGS   += -O2
+KBUILD_CFLAGS   += -O2 -fno-reorder-blocks -fno-tree-ch $(EXTRA_OPTIMIZATION)
 endif
 endif