diff --git a/linux-2.6.7-xen-sparse/arch/xen/configs/xen0_defconfig b/linux-2.6.7-xen-sparse/arch/xen/configs/xen0_defconfig
index c8ee6222ae..0a70e9bb26 100644
--- a/linux-2.6.7-xen-sparse/arch/xen/configs/xen0_defconfig
+++ b/linux-2.6.7-xen-sparse/arch/xen/configs/xen0_defconfig
@@ -27,10 +27,10 @@ CONFIG_BROKEN_ON_SMP=y
 # General setup
 #
 CONFIG_SWAP=y
-# CONFIG_SYSVIPC is not set
+CONFIG_SYSVIPC=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
-# CONFIG_SYSCTL is not set
+CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_HOTPLUG is not set
@@ -161,10 +161,13 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_BLK_DEV_DAC960 is not set
 # CONFIG_BLK_DEV_UMEM is not set
-# CONFIG_BLK_DEV_LOOP is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_CARMEL is not set
-# CONFIG_BLK_DEV_RAM is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_LBD is not set
 
 #
@@ -218,7 +221,7 @@ CONFIG_BLK_DEV_PIIX=y
 # CONFIG_BLK_DEV_NS87415 is not set
 # CONFIG_BLK_DEV_PDC202XX_OLD is not set
 # CONFIG_BLK_DEV_PDC202XX_NEW is not set
-# CONFIG_BLK_DEV_SVWKS is not set
+CONFIG_BLK_DEV_SVWKS=y
 # CONFIG_BLK_DEV_SIIMAGE is not set
 # CONFIG_BLK_DEV_SIS5513 is not set
 # CONFIG_BLK_DEV_SLC90E66 is not set