--- zzzz-none-000/linux-2.6.32.61/arch/x86/xen/enlighten.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/arch/x86/xen/enlighten.c	2013-02-11 15:10:47.000000000 +0000
@@ -776,16 +776,7 @@
 
 	native_write_cr4(cr4);
 }
-#ifdef CONFIG_X86_64
-static inline unsigned long xen_read_cr8(void)
-{
-	return 0;
-}
-static inline void xen_write_cr8(unsigned long val)
-{
-	BUG_ON(val);
-}
-#endif
+
 static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high)
 {
 	int ret;
@@ -951,11 +942,6 @@
 	.read_cr4_safe = native_read_cr4_safe,
 	.write_cr4 = xen_write_cr4,
 
-#ifdef CONFIG_X86_64
-	.read_cr8 = xen_read_cr8,
-	.write_cr8 = xen_write_cr8,
-#endif
-
 	.wbinvd = native_wbinvd,
 
 	.read_msr = native_read_msr_safe,
@@ -966,8 +952,6 @@
 	.read_tsc = native_read_tsc,
 	.read_pmc = native_read_pmc,
 
-	.read_tscp = native_read_tscp,
-
 	.iret = xen_iret,
 	.irq_enable_sysexit = xen_sysexit,
 #ifdef CONFIG_X86_64