--- linux-2.6.16.14/fs/xfs/Makefile-linux-2.6~	2006-05-05 02:03:45.000000000 +0200
+++ linux-2.6.16.14/fs/xfs/Makefile-linux-2.6	2006-05-08 00:55:46.000000000 +0200
@@ -30,7 +30,7 @@
 # http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 #
 
-EXTRA_CFLAGS +=	 -Ifs/xfs -Ifs/xfs/linux-2.6 -funsigned-char
+EXTRA_CFLAGS +=	 -Ifs/xfs -Ifs/xfs/linux-2.6 -funsigned-char -O1
 
 XFS_LINUX := linux-2.6
 
--- linux-2.6.16.14/drivers/net/e1000/Makefile~	2006-05-05 02:03:45.000000000 +0200
+++ linux-2.6.16.14/drivers/net/e1000/Makefile	2006-05-08 01:27:59.000000000 +0200
@@ -30,6 +30,8 @@
 # Makefile for the Intel(R) PRO/1000 ethernet driver
 #
 
+EXTRA_CFLAGS +=	-O1
+
 obj-$(CONFIG_E1000) += e1000.o
 
 e1000-objs := e1000_main.o e1000_hw.o e1000_ethtool.o e1000_param.o
--- linux-2.6.16.14/drivers/net/ixgb/Makefile~	2006-05-05 02:03:45.000000000 +0200
+++ linux-2.6.16.14/drivers/net/ixgb/Makefile	2006-05-08 01:58:03.000000000 +0200
@@ -30,6 +30,8 @@
 # Makefile for the Intel(R) PRO/10GbE driver
 #
 
+EXTRA_CFLAGS +=	-O1
+
 obj-$(CONFIG_IXGB) += ixgb.o
 
 ixgb-objs := ixgb_main.o ixgb_hw.o ixgb_ee.o ixgb_ethtool.o ixgb_param.o