KVM: VMX: don't clobber segment AR of unusable segments.

Usability is returned in unusable field, so not need to clobber entire
AR. Callers have to know how to deal with unusable segments already
since if emulate_invalid_guest_state=true AR is not zeroed.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 319e840e2ada90ae6b9d4ac86596c919bd37391f..77212d1e1df96d2edb34039bf0849e1b120e4dc5 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3196,8 +3196,6 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu,
        var->limit = vmx_read_guest_seg_limit(vmx, seg);
        var->selector = vmx_read_guest_seg_selector(vmx, seg);
        ar = vmx_read_guest_seg_ar(vmx, seg);
-       if ((ar & AR_UNUSABLE_MASK) && !emulate_invalid_guest_state)
-               ar = 0;
        var->type = ar & 15;
        var->s = (ar >> 4) & 1;
        var->dpl = (ar >> 5) & 3;