From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8084DC43143 for ; Tue, 2 Oct 2018 15:29:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4DB74208D9 for ; Tue, 2 Oct 2018 15:29:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4DB74208D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727583AbeJBWM6 (ORCPT ); Tue, 2 Oct 2018 18:12:58 -0400 Received: from mail.skyhub.de ([5.9.137.197]:60370 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726330AbeJBWM6 (ORCPT ); Tue, 2 Oct 2018 18:12:58 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id uDytq2NR1IPx; Tue, 2 Oct 2018 17:29:01 +0200 (CEST) Received: from zn.tnic (p200300EC2BC64F00329C23FFFEA6A903.dip0.t-ipconnect.de [IPv6:2003:ec:2bc6:4f00:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id CCAC01EC021C; Tue, 2 Oct 2018 17:29:00 +0200 (CEST) Date: Tue, 2 Oct 2018 17:29:03 +0200 From: Borislav Petkov To: Yu-cheng Yu Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue Subject: Re: [RFC PATCH v4 02/27] x86/fpu/xstate: Change some names to separate XSAVES system and user states Message-ID: <20181002152903.GB29601@zn.tnic> References: <20180921150351.20898-1-yu-cheng.yu@intel.com> <20180921150351.20898-3-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180921150351.20898-3-yu-cheng.yu@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 21, 2018 at 08:03:26AM -0700, Yu-cheng Yu wrote: > To support XSAVES system states, change some names to distinguish > user and system states. I don't understand what the logic here is. SDM says: XSAVES—Save Processor Extended States Supervisor the stress being on "Supervisor" - why does it need to be renamed to "system" now? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [RFC PATCH v4 02/27] x86/fpu/xstate: Change some names to separate XSAVES system and user states Date: Tue, 2 Oct 2018 17:29:03 +0200 Message-ID: <20181002152903.GB29601@zn.tnic> References: <20180921150351.20898-1-yu-cheng.yu@intel.com> <20180921150351.20898-3-yu-cheng.yu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20180921150351.20898-3-yu-cheng.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Yu-cheng Yu Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek Peter List-Id: linux-api@vger.kernel.org On Fri, Sep 21, 2018 at 08:03:26AM -0700, Yu-cheng Yu wrote: > To support XSAVES system states, change some names to distinguish > user and system states. I don't understand what the logic here is. SDM says: XSAVES—Save Processor Extended States Supervisor the stress being on "Supervisor" - why does it need to be renamed to "system" now? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by kanga.kvack.org (Postfix) with ESMTP id C9EB96B026E for ; Tue, 2 Oct 2018 11:29:02 -0400 (EDT) Received: by mail-wr1-f71.google.com with SMTP id p12-v6so1933927wrt.19 for ; Tue, 02 Oct 2018 08:29:02 -0700 (PDT) Received: from mail.skyhub.de (mail.skyhub.de. [5.9.137.197]) by mx.google.com with ESMTPS id y13-v6si10367735wro.68.2018.10.02.08.29.01 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Oct 2018 08:29:01 -0700 (PDT) Date: Tue, 2 Oct 2018 17:29:03 +0200 From: Borislav Petkov Subject: Re: [RFC PATCH v4 02/27] x86/fpu/xstate: Change some names to separate XSAVES system and user states Message-ID: <20181002152903.GB29601@zn.tnic> References: <20180921150351.20898-1-yu-cheng.yu@intel.com> <20180921150351.20898-3-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180921150351.20898-3-yu-cheng.yu@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Yu-cheng Yu Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue On Fri, Sep 21, 2018 at 08:03:26AM -0700, Yu-cheng Yu wrote: > To support XSAVES system states, change some names to distinguish > user and system states. I don't understand what the logic here is. SDM says: XSAVESa??Save Processor Extended States Supervisor the stress being on "Supervisor" - why does it need to be renamed to "system" now? -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.