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authorGleb Natapov <gleb@redhat.com>2013-01-21 15:36:46 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2013-01-24 00:40:28 -0200
commit25391454e73e3156202264eb3c473825afe4bc94 (patch)
tree0da5b484830685afe4332a0ffc308087a8cf2b26
parent218e763f458c44f30041c1b48b4371e130fd4317 (diff)
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>
-rw-r--r--arch/x86/kvm/vmx.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 319e840e2ad..77212d1e1df 100644
--- 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;