From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754392AbdFSPhs (ORCPT ); Mon, 19 Jun 2017 11:37:48 -0400 Received: from mx2.suse.de ([195.135.220.15]:47242 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751919AbdFSPhq (ORCPT ); Mon, 19 Jun 2017 11:37:46 -0400 Date: Mon, 19 Jun 2017 17:37:35 +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: [PATCH v7 10/26] x86/insn-eval: Add utility functions to get segment selector Message-ID: <20170619153735.j5gfloyzt7px5w6c@pd.tnic> References: <20170505181724.55000-1-ricardo.neri-calderon@linux.intel.com> <20170505181724.55000-11-ricardo.neri-calderon@linux.intel.com> <20170530103521.fb3wvp4crqapremh@pd.tnic> <1497551871.24288.169.camel@ranerica-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1497551871.24288.169.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 Thu, Jun 15, 2017 at 11:37:51AM -0700, Ricardo Neri wrote: > Wouldn't this be ending up mixing the actual segment register and > segment register overrides? I plan to have a function that parses the > segment override prefixes and returns SEG_REG_CS/DS/ES/FS/GS or > SEG_REG_IGNORE for long mode or SEG_REG_DEFAULT when the default segment > register needs to be used. A separate function will determine what such > default segment register is. Does this make sense? Yes. -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --