From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934248Ab0BQNpq (ORCPT ); Wed, 17 Feb 2010 08:45:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:31166 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934090Ab0BQNpi (ORCPT ); Wed, 17 Feb 2010 08:45:38 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 20/20] KVM: x86 emulator: disallow opcode 82 in 64-bit mode Date: Wed, 17 Feb 2010 15:45:30 +0200 Message-Id: <1266414330-27444-21-git-send-email-avi@redhat.com> In-Reply-To: <1266414330-27444-1-git-send-email-avi@redhat.com> References: <1266414330-27444-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gleb Natapov Instructions with opcode 82 are not valid in 64 bit mode. Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/kvm/emulate.c | 16 ++++++++-------- 1 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index dd1b935..c280c23 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -310,14 +310,14 @@ static u32 group_table[] = { DstMem | SrcImm | ModRM | Lock, DstMem | SrcImm | ModRM, [Group1_82*8] = - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - ByteOp | DstMem | SrcImm | ModRM | Lock, - 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, -- 1.6.5.3