It is undefined and should generate #UD. Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> --- arch/x86/kvm/emulate.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 2df510b..1a32b78 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2486,6 +2486,9 @@ twobyte_insn: (c->src.val & 0x0f), ctxt->vcpu); c->dst.type = OP_NONE; break; + case 5: /* not defined */ + kvm_queue_exception(ctxt->vcpu, UD_VECTOR); + goto done; case 7: /* invlpg*/ emulate_invlpg(ctxt->vcpu, memop); /* Disable writeback. */ -- 1.6.5 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
