Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1588102pxb; Thu, 4 Feb 2021 17:46:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJysDFA0BTqR1/TrAPIhgM7MC/eXvM7xtBYFaguM5uQ6J7rN+EnHAUxUNFCu39pAiWZ5BYNs X-Received: by 2002:a17:907:948d:: with SMTP id dm13mr1710071ejc.545.1612489577852; Thu, 04 Feb 2021 17:46:17 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612489577; cv=none; d=google.com; s=arc-20160816; b=kOoGtLGLVj60IY6tQ9Xe7c9LhMAbP2cmHyIbK4+qCENFenfsoukZbMfeptIGP7iRRq 5tYecoopqmOlGlCOxT86IKCdZJaq3PHpwoQvVsMafKtergOrpqgu15YkMNIISU8AtBbp s3B8gG1fr9/H0KFBu6GO6fr4DFidsWOqjjC4ut9ZHOopVkCAP/+1GGkkT5nq5JE50Wj7 RkcAbqurDLdM461IoQtAm7grIshMAVU9FU4jj/ozCdET1WXdyet7VG1YykRu4Dl3ERyB wPNIsO+4wwYqFFHRxQsNsbQebmc7ZheXC5/YS55hDj7TitqOWE7rEOxoxLOtWGXGzsSv rvsg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:ironport-sdr:ironport-sdr; bh=/YWE4rKEE7hGyW2V1vHLvxUelJZ5lQ1JXwA/ZbNuytQ=; b=gpfmgtpI4eXWf34zIwYy2BhAmE8u9C81/vXkXYZOB6h0wdzvPQIjc4mf6U2N7cytWw iX6vftFW6JQh3JgauN9lcHzvp2fx/znlTqVmle4D+xnsDDDCHIcMOWsgJyRTl1fYCAMQ 9CN2mMi96WcdOd8kOu3rP58UcCsTHwncLYEMVRoL/A+0qHX+5iLGtHA1ZA2zAscicj8F mg6Wpij50+IMfPB4C24nW3VhlS0sA6b0qvTbl96pJnVsol5T6PuzeIwODLH0OeK+i0Wl CCQRZ+1n1GJ6SJrPXGMFxn/HrXmFK4Jgzt+E/Cpczrr9OPOtR6nRwNJVCtolbbqQgPC3 KWiA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o5si4045880edz.447.2021.02.04.17.45.53; Thu, 04 Feb 2021 17:46:17 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239887AbhBDUFN (ORCPT + 99 others); Thu, 4 Feb 2021 15:05:13 -0500 Received: from mga17.intel.com ([192.55.52.151]:33281 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239008AbhBDUE2 (ORCPT ); Thu, 4 Feb 2021 15:04:28 -0500 IronPort-SDR: 2oE41L3fGN2kx+E1hX5iz4q/OhUL/M89yqB74o76uQzVlOzKksVvgfu0hBae9k5UHP54iUFvhc zgSEq0ZgMpNw== X-IronPort-AV: E=McAfee;i="6000,8403,9885"; a="161075742" X-IronPort-AV: E=Sophos;i="5.81,153,1610438400"; d="scan'208";a="161075742" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2021 12:03:44 -0800 IronPort-SDR: XxFJSw5z4InLRHJDvib+k6U2jBKrIPHUKyL9l5TVt4Lag6RVTHcOlPWqu11Yum3Cw0qMdpwBZ1 E3iX1OrjovMw== X-IronPort-AV: E=Sophos;i="5.81,153,1610438400"; d="scan'208";a="373001450" Received: from yyu32-mobl1.amr.corp.intel.com (HELO [10.209.100.6]) ([10.209.100.6]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Feb 2021 12:03:42 -0800 Subject: Re: [PATCH v19 01/25] Documentation/x86: Add CET description To: Kees Cook 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 , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu References: <20210203225547.32221-1-yu-cheng.yu@intel.com> <20210203225547.32221-2-yu-cheng.yu@intel.com> <202102041152.E257D3E2BE@keescook> From: "Yu, Yu-cheng" Message-ID: <21717dd3-5b80-03a2-6858-d062ff81d7a5@intel.com> Date: Thu, 4 Feb 2021 12:03:42 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <202102041152.E257D3E2BE@keescook> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/4/2021 11:52 AM, Kees Cook wrote: > On Wed, Feb 03, 2021 at 02:55:23PM -0800, Yu-cheng Yu wrote: >> Explain no_user_shstk/no_user_ibt kernel parameters, and introduce a new >> document on Control-flow Enforcement Technology (CET). >> >> Signed-off-by: Yu-cheng Yu > > Reviewed-by: Kees Cook > Thanks for reviewing the series. -- Yu-cheng