1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 027a9625ef90..578dff5424e3 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -864,7 +864,14 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu,
         vmcs_writel(sf->base, var->base);
         vmcs_write32(sf->limit, var->limit);
         vmcs_write16(sf->selector, var->selector);
-        if (var->unusable)
+        if (vcpu->rmode.active && var->s) {
+                /*
+                 * Hack real-mode segments into vm86 compatibility.
+                 */
+                if (var->base == 0xffff0000 && var->selector == 0xf000)
+                        vmcs_writel(sf->base, 0xf0000);
+                ar = 0xf3;
+        } else if (var->unusable)
                 ar = 1 << 16;
         else {
                 ar = var->type & 15;