Index: root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_ia64
===================================================================
--- root.orig/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_ia64
+++ root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_ia64
@@ -1536,7 +1536,7 @@ CONFIG_XEN_PCIDEV_BACKEND=y
 # CONFIG_XEN_PCIDEV_BACKEND_PASS is not set
 CONFIG_XEN_PCIDEV_BACKEND_SLOT=y
 # CONFIG_XEN_PCIDEV_BE_DEBUG is not set
-# CONFIG_XEN_TPMDEV_BACKEND is not set
+CONFIG_XEN_TPMDEV_BACKEND=m
 CONFIG_XEN_BLKDEV_FRONTEND=y
 CONFIG_XEN_NETDEV_FRONTEND=y
 # CONFIG_XEN_SCRUB_PAGES is not set
Index: root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_32
===================================================================
--- root.orig/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_32
+++ root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_32
@@ -1404,7 +1404,7 @@ CONFIG_XEN_PCIDEV_BACKEND=y
 CONFIG_XEN_PCIDEV_BACKEND_PASS=y
 # CONFIG_XEN_PCIDEV_BACKEND_SLOT is not set
 # CONFIG_XEN_PCIDEV_BE_DEBUG is not set
-# CONFIG_XEN_TPMDEV_BACKEND is not set
+CONFIG_XEN_TPMDEV_BACKEND=m
 CONFIG_XEN_BLKDEV_FRONTEND=y
 CONFIG_XEN_NETDEV_FRONTEND=y
 CONFIG_XEN_SCRUB_PAGES=y
Index: root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_64
===================================================================
--- root.orig/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_64
+++ root/xen-unstable.hg/buildconfigs/linux-defconfig_xen0_x86_64
@@ -1354,7 +1354,7 @@ CONFIG_XEN_PCIDEV_BACKEND=y
 CONFIG_XEN_PCIDEV_BACKEND_PASS=y
 # CONFIG_XEN_PCIDEV_BACKEND_SLOT is not set
 # CONFIG_XEN_PCIDEV_BE_DEBUG is not set
-# CONFIG_XEN_TPMDEV_BACKEND is not set
+CONFIG_XEN_TPMDEV_BACKEND=m
 CONFIG_XEN_BLKDEV_FRONTEND=y
 CONFIG_XEN_NETDEV_FRONTEND=y
 CONFIG_XEN_SCRUB_PAGES=y