diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 92a1adde0b4443509b1fc57dcfcd8ea5aaf9e87d..97d9a9914ba8d772e522911252261110cfa58677 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3033,6 +3033,15 @@ static int em_lldt(struct x86_emulate_ctxt *ctxt) return load_segment_descriptor(ctxt, sel, VCPU_SREG_LDTR); } +static int em_ltr(struct x86_emulate_ctxt *ctxt) +{ + u16 sel = ctxt->src.val; + + /* Disable writeback. */ + ctxt->dst.type = OP_NONE; + return load_segment_descriptor(ctxt, sel, VCPU_SREG_TR); +} + static int em_invlpg(struct x86_emulate_ctxt *ctxt) { int rc; @@ -3579,7 +3588,7 @@ static struct opcode group6[] = { DI(Prot, sldt), DI(Prot, str), II(Prot | Priv | SrcMem16, em_lldt, lldt), - DI(Prot | Priv, ltr), + II(Prot | Priv | SrcMem16, em_ltr, ltr), N, N, N, N, };