diff --git a/target/linux/x86/xen_domu/config-default b/target/linux/x86/xen_domu/config-default
index c5f8ce1d2..7e00fbe2f 100644
--- a/target/linux/x86/xen_domu/config-default
+++ b/target/linux/x86/xen_domu/config-default
@@ -1,26 +1,47 @@
+# CONFIG_APM is not set
 CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
+CONFIG_CPU_SUP_AMD=y
+CONFIG_CPU_SUP_CENTAUR=y
+CONFIG_CPU_SUP_CYRIX_32=y
+CONFIG_CPU_SUP_INTEL=y
+CONFIG_CPU_SUP_TRANSMETA_32=y
+CONFIG_CPU_SUP_UMC_32=y
 CONFIG_FREEZER=y
 CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HOTPLUG_CPU=y
 CONFIG_HVC_DRIVER=y
 CONFIG_HVC_IRQ=y
 CONFIG_HVC_XEN=y
+CONFIG_ISA_DMA_API=y
+# CONFIG_KVM_CLOCK is not set
+# CONFIG_KVM_GUEST is not set
+# CONFIG_LGUEST_GUEST is not set
 CONFIG_LOCK_KERNEL=y
+# CONFIG_M486 is not set
 CONFIG_MPENTIUM4=y
 CONFIG_NR_CPUS=4
+CONFIG_PARAVIRT=y
 CONFIG_PARAVIRT_CLOCK=y
 CONFIG_PARAVIRT_GUEST=y
-CONFIG_PARAVIRT=y
+CONFIG_PARAVIRT_SPINLOCKS=y
 CONFIG_PHYS_ADDR_T_64BIT=y
+CONFIG_PM_SLEEP=y
+CONFIG_PM_SLEEP_SMP=y
 CONFIG_SCHED_MC=y
+# CONFIG_SCHED_SMT is not set
 CONFIG_SMP=y
 CONFIG_SPARSE_IRQ=y
 CONFIG_STOP_MACHINE=y
 CONFIG_SYS_HYPERVISOR=y
 CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_VMI is not set
 CONFIG_X86_32_SMP=y
+# CONFIG_X86_BIGSMP is not set
 CONFIG_X86_CMOV=y
 CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_DEBUGCTLMSR=y
+# CONFIG_X86_DS is not set
 CONFIG_X86_HT=y
 CONFIG_X86_L1_CACHE_SHIFT=7
 CONFIG_X86_MINIMUM_CPU_FAMILY=5
@@ -28,10 +49,14 @@ CONFIG_X86_PAE=y
 CONFIG_X86_TRAMPOLINE=y
 CONFIG_X86_TSC=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_XEN=y
+# CONFIG_XENFS is not set
 CONFIG_XEN_BALLOON=y
 CONFIG_XEN_BLKDEV_FRONTEND=y
+CONFIG_XEN_DEBUG_FS=y
+# CONFIG_XEN_DEV_EVTCHN is not set
 CONFIG_XEN_MAX_DOMAIN_MEMORY=8
+# CONFIG_XEN_NETDEV_FRONTEND is not set
 CONFIG_XEN_SAVE_RESTORE=y
 CONFIG_XEN_SCRUB_PAGES=y
 CONFIG_XEN_SYS_HYPERVISOR=y
-CONFIG_XEN=y