KVM: x86 emulator: VM86 segments must have DPL 3
Setting the segment DPL to 0 for at least the VM86 code segment makes
the VM entry fail on VMX.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index fa310a4..b19e9ff 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1244,6 +1244,8 @@
seg_desc.type = 3;
seg_desc.p = 1;
seg_desc.s = 1;
+ if (ctxt->mode == X86EMUL_MODE_VM86)
+ seg_desc.dpl = 3;
goto load;
}