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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 28931C5CFEB for ; Wed, 11 Jul 2018 15:48:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD12B20C03 for ; Wed, 11 Jul 2018 15:48:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DD12B20C03 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com 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 S2389495AbeGKPxk (ORCPT ); Wed, 11 Jul 2018 11:53:40 -0400 Received: from mga05.intel.com ([192.55.52.43]:50317 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732935AbeGKPxk (ORCPT ); Wed, 11 Jul 2018 11:53:40 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Jul 2018 08:48:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,338,1526367600"; d="scan'208";a="239537221" Received: from 2b52.sc.intel.com ([143.183.136.52]) by orsmga005.jf.intel.com with ESMTP; 11 Jul 2018 08:48:42 -0700 Message-ID: <1531323904.13297.26.camel@intel.com> Subject: Re: [RFC PATCH v2 17/27] x86/cet/shstk: User-mode shadow stack support From: Yu-cheng Yu To: Peter Zijlstra 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 , "Ravi V. Shankar" , Vedvyas Shanbhogue Date: Wed, 11 Jul 2018 08:45:04 -0700 In-Reply-To: <20180711093454.GX2476@hirez.programming.kicks-ass.net> References: <20180710222639.8241-1-yu-cheng.yu@intel.com> <20180710222639.8241-18-yu-cheng.yu@intel.com> <20180711093454.GX2476@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.5.2-0ubuntu3.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-07-11 at 11:34 +0200, Peter Zijlstra wrote: > On Tue, Jul 10, 2018 at 03:26:29PM -0700, Yu-cheng Yu wrote: > > > > +/* MSR_IA32_U_CET and MSR_IA32_S_CET bits */ > > +#define MSR_IA32_CET_SHSTK_EN 0x0000000000000001 > > +#define MSR_IA32_CET_WRSS_EN 0x0000000000000002 > > +#define MSR_IA32_CET_ENDBR_EN 0x0000000000000004 > > +#define MSR_IA32_CET_LEG_IW_EN 0x0000000000000008 > > +#define MSR_IA32_CET_NO_TRACK_EN 0x0000000000000010 > Do those want a ULL literal suffix? I will fix it. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id BA9BB7D048 for ; Wed, 11 Jul 2018 15:48:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389413AbeGKPxk (ORCPT ); Wed, 11 Jul 2018 11:53:40 -0400 Received: from mga05.intel.com ([192.55.52.43]:50317 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732935AbeGKPxk (ORCPT ); Wed, 11 Jul 2018 11:53:40 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Jul 2018 08:48:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,338,1526367600"; d="scan'208";a="239537221" Received: from 2b52.sc.intel.com ([143.183.136.52]) by orsmga005.jf.intel.com with ESMTP; 11 Jul 2018 08:48:42 -0700 Message-ID: <1531323904.13297.26.camel@intel.com> Subject: Re: [RFC PATCH v2 17/27] x86/cet/shstk: User-mode shadow stack support From: Yu-cheng Yu To: Peter Zijlstra 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 , "Ravi V. Shankar" , Vedvyas Shanbhogue Date: Wed, 11 Jul 2018 08:45:04 -0700 In-Reply-To: <20180711093454.GX2476@hirez.programming.kicks-ass.net> References: <20180710222639.8241-1-yu-cheng.yu@intel.com> <20180710222639.8241-18-yu-cheng.yu@intel.com> <20180711093454.GX2476@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.5.2-0ubuntu3.2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Wed, 2018-07-11 at 11:34 +0200, Peter Zijlstra wrote: > On Tue, Jul 10, 2018 at 03:26:29PM -0700, Yu-cheng Yu wrote: > > > > +/* MSR_IA32_U_CET and MSR_IA32_S_CET bits */ > > +#define MSR_IA32_CET_SHSTK_EN 0x0000000000000001 > > +#define MSR_IA32_CET_WRSS_EN 0x0000000000000002 > > +#define MSR_IA32_CET_ENDBR_EN 0x0000000000000004 > > +#define MSR_IA32_CET_LEG_IW_EN 0x0000000000000008 > > +#define MSR_IA32_CET_NO_TRACK_EN 0x0000000000000010 > Do those want a ULL literal suffix? I will fix it. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu-cheng Yu Subject: Re: [RFC PATCH v2 17/27] x86/cet/shstk: User-mode shadow stack support Date: Wed, 11 Jul 2018 08:45:04 -0700 Message-ID: <1531323904.13297.26.camel@intel.com> References: <20180710222639.8241-1-yu-cheng.yu@intel.com> <20180710222639.8241-18-yu-cheng.yu@intel.com> <20180711093454.GX2476@hirez.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180711093454.GX2476@hirez.programming.kicks-ass.net> Sender: linux-kernel-owner@vger.kernel.org To: Peter Zijlstra 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 , Ravi V. Shan List-Id: linux-api@vger.kernel.org On Wed, 2018-07-11 at 11:34 +0200, Peter Zijlstra wrote: > On Tue, Jul 10, 2018 at 03:26:29PM -0700, Yu-cheng Yu wrote: > > > > +/* MSR_IA32_U_CET and MSR_IA32_S_CET bits */ > > +#define MSR_IA32_CET_SHSTK_EN 0x0000000000000001 > > +#define MSR_IA32_CET_WRSS_EN 0x0000000000000002 > > +#define MSR_IA32_CET_ENDBR_EN 0x0000000000000004 > > +#define MSR_IA32_CET_LEG_IW_EN 0x0000000000000008 > > +#define MSR_IA32_CET_NO_TRACK_EN 0x0000000000000010 > Do those want a ULL literal suffix? I will fix it.