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-rw-r--r--drivers/kvm/vmx.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index ad97014aa6e..fc01c4b08fd 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -884,6 +884,8 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu,
ar |= (var->db & 1) << 14;
ar |= (var->g & 1) << 15;
}
+ if (ar == 0) /* a 0 value means unusable */
+ ar = AR_UNUSABLE_MASK;
vmcs_write32(sf->ar_bytes, ar);
}