diff -r 200787660b5f xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c	Fri Feb 22 18:32:41 2008 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c	Mon Feb 25 09:06:24 2008 +0100
@@ -375,7 +375,7 @@ static void svm_set_interrupt_shadow(str
 static void svm_set_interrupt_shadow(struct vcpu *v, unsigned int intr_shadow)
 {
     struct vmcb_struct *vmcb = v->arch.hvm_svm.vmcb;
-    vmcb->interrupt_shadow = !!(vmcb->interrupt_shadow &
+    vmcb->interrupt_shadow = !!(intr_shadow &
                                 (HVM_INTR_SHADOW_MOV_SS|HVM_INTR_SHADOW_STI));
 }