Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755946AbYFZMin (ORCPT ); Thu, 26 Jun 2008 08:38:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752642AbYFZM3W (ORCPT ); Thu, 26 Jun 2008 08:29:22 -0400 Received: from il.qumranet.com ([212.179.150.194]:32348 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753313AbYFZM2r (ORCPT ); Thu, 26 Jun 2008 08:28:47 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 43/50] KVM: x86 emulator: handle undecoded rex.b with r/m = 5 in certain cases Date: Thu, 26 Jun 2008 15:28:25 +0300 Message-Id: <1214483312-9265-44-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.6 In-Reply-To: <1214483312-9265-1-git-send-email-avi@qumranet.com> References: <1214483312-9265-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1068 Lines: 35 x86_64 does not decode rex.b in certain cases, where the r/m field = 5. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 2808291..3721cfd 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -750,6 +750,7 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt, switch (base_reg) { case 5: + case 13: if (c->modrm_mod != 0) c->modrm_ea += c->regs[base_reg]; else @@ -767,6 +768,7 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt, } break; case 5: + case 13: if (c->modrm_mod != 0) c->modrm_ea += c->regs[c->modrm_rm]; else if (ctxt->mode == X86EMUL_MODE_PROT64) -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/