From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756136AbdEGVxy (ORCPT ); Sun, 7 May 2017 17:53:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:56703 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752776AbdEGVxv (ORCPT ); Sun, 7 May 2017 17:53:51 -0400 Date: Sun, 7 May 2017 19:20:50 +0200 From: Borislav Petkov To: Ricardo Neri Cc: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Andrew Morton , Brian Gerst , Chris Metcalf , Dave Hansen , Paolo Bonzini , Masami Hiramatsu , Huang Rui , Jiri Slaby , Jonathan Corbet , "Michael S. Tsirkin" , Paul Gortmaker , Vlastimil Babka , Chen Yucong , Alexandre Julliard , Stas Sergeev , Fenghua Yu , "Ravi V. Shankar" , Shuah Khan , linux-kernel@vger.kernel.org, x86@kernel.org, linux-msdos@vger.kernel.org, wine-devel@winehq.org, Adam Buchbinder , Colin Ian King , Lorenzo Stoakes , Qiaowei Ren , Arnaldo Carvalho de Melo , Adrian Hunter , Kees Cook , Thomas Garnier , Dmitry Vyukov Subject: Re: [v6 PATCH 10/21] x86/insn-eval: Do not use R/EBP as base if mod in ModRM is zero Message-ID: <20170507172050.ma6beli46fho2s3k@pd.tnic> References: <20170308003254.27833-1-ricardo.neri-calderon@linux.intel.com> <20170308003254.27833-11-ricardo.neri-calderon@linux.intel.com> <20170421105258.q4vqrephtm7t3h4c@pd.tnic> <1493256599.36058.83.camel@ranerica-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1493256599.36058.83.camel@ranerica-desktop> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 26, 2017 at 06:29:59PM -0700, Ricardo Neri wrote: > > if (X86_MODRM_MOD(insn->modrm.value) == 0 && > > X86_MODRM_RM(insn->modrm.value) == 5) > > > > looks more understandable to me. > > Should I go with !(X86_MODRM_MOD(insn->modrm.value)) as you suggested in > other patches? Ah, yes pls. Thanks. -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --