Index: xen-3.3.1-testing/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c
===================================================================
--- xen-3.3.1-testing.orig/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c	2008-10-15 11:38:53.000000000 -0600
+++ xen-3.3.1-testing/unmodified_drivers/linux-2.6/platform-pci/platform-compat.c	2008-10-15 11:49:33.000000000 -0600
@@ -14,7 +14,11 @@
 
 void ctrl_alt_del(void)
 {
-	kill_proc(1, SIGINT, 1); /* interrupt init */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
+	kill_proc(1, SIGINT, 1);
+#else
+	kill_pid(cad_pid, SIGINT, 1);
+#endif
 }
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
Index: xen-3.3.1-testing/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
===================================================================
--- xen-3.3.1-testing.orig/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c	2008-10-15 11:38:53.000000000 -0600
+++ xen-3.3.1-testing/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c	2008-10-15 11:39:04.000000000 -0600
@@ -44,7 +44,11 @@
 	atomic_dec(&info->nr_spinning);
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
 #define initiate_ap_suspend(i)	smp_call_function(ap_suspend, i, 0, 0)
+#else
+#define initiate_ap_suspend(i)	smp_call_function(ap_suspend, i, 0)
+#endif
 
 #else /* !defined(CONFIG_SMP) */