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KVM: x86 emulator: VM86 segments must have DPL 3

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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>
This commit is contained in:
Kevin Wolf 2012-02-08 14:34:39 +01:00 committed by Avi Kivity
parent 7f3d35fddd
commit 66b0ab8fac
1 changed files with 2 additions and 0 deletions
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arch/x86/kvm/emulate.c
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@ -1244,6 +1244,8 @@ static int load_segment_descriptor(struct x86_emulate_ctxt *ctxt,
seg_desc.type = 3;
seg_desc.p = 1;
seg_desc.s = 1;
if (ctxt->mode == X86EMUL_MODE_VM86)
seg_desc.dpl = 3;
goto load;
}