KVM: VMX: Change segment dpl at reset to 3

This is more emulation friendly, if not 100% correct.

Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6aa305a..71e57ae 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1991,7 +1991,7 @@
 	vmcs_write16(sf->selector, 0);
 	vmcs_writel(sf->base, 0);
 	vmcs_write32(sf->limit, 0xffff);
-	vmcs_write32(sf->ar_bytes, 0x93);
+	vmcs_write32(sf->ar_bytes, 0xf3);
 }
 
 static int alloc_apic_access_page(struct kvm *kvm)