Instructions with opcode 82 are not valid in 64bit mode and can be locked. Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index f7bb5ef..741b0be 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -310,10 +310,14 @@ static u32 group_table[] = { DstMem | SrcImm | ModRM | Lock, DstMem | SrcImm | ModRM, [Group1_82*8] = - ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM, - ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM, - ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM, - ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64 | Lock, + ByteOp | DstMem | SrcImm | ModRM | No64, [Group1_83*8] = DstMem | SrcImmByte | ModRM | Lock, DstMem | SrcImmByte | ModRM | Lock, -- Gleb. -- 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