KVM: VMX: Clean up magic number 0x66 in init_rmode_tss

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ddb49e3..229e2d0 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1732,7 +1732,8 @@
 	if (r < 0)
 		goto out;
 	data = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE;
-	r = kvm_write_guest_page(kvm, fn++, &data, 0x66, sizeof(u16));
+	r = kvm_write_guest_page(kvm, fn++, &data,
+			TSS_IOPB_BASE_OFFSET, sizeof(u16));
 	if (r < 0)
 		goto out;
 	r = kvm_clear_guest_page(kvm, fn++, 0, PAGE_SIZE);