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=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 2FE75C433DB for ; Thu, 4 Feb 2021 19:59:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC9F164F45 for ; Thu, 4 Feb 2021 19:59:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239829AbhBDT7q (ORCPT ); Thu, 4 Feb 2021 14:59:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239565AbhBDTxf (ORCPT ); Thu, 4 Feb 2021 14:53:35 -0500 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39616C061788 for ; Thu, 4 Feb 2021 11:52:55 -0800 (PST) Received: by mail-pj1-x1034.google.com with SMTP id l18so2435629pji.3 for ; Thu, 04 Feb 2021 11:52:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=T9AG0M0o5O+h9fP2xKRDxPlB8Ctdkqhf6o2D4rpy6+g=; b=RAOV7LdWTzqKAFqnvxTN/A7FE6XLME1YD2+exfJflocSTPK0YEmGOdX5o134MKOn3w 3e132GGs/Rrn66muOUOTMHl/0FdfpJXiSp02skj/T7NO8geQxKHEM/K26V1fSG8W0vFq 6AlcCB7zV3dWnr4cjWNj2b1nXANmZXfVYAjcQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=T9AG0M0o5O+h9fP2xKRDxPlB8Ctdkqhf6o2D4rpy6+g=; b=Svz0emwjWCYy0E45ZE3ppBLJj7I0w9CK/pZKTAFl09um1dAiPm2t7oVTwxbU67RBQ2 V46PnHmPVJDaStDOva3C445EsrZmn+Jr/GBv5jiidsrh0yZ6xEbs/f1LVIqMzo2/Otuk qY9ENMgYLN1mSZ3FuCrw7t1y4TJLOwegbR6Y3gsA3KrYzWCAADWLV56x69kh8eBXD47F oGrtkOwbvVIO4PfJoi5TvNvs8zThO2Eh8LQlIg7Gxy3C00shT7ovic2hg6z2UYZ93A9k +3G39/4acIkBqVwa+SFqRW0+vbPfvLDFtOOemE8cMuQKcfMBBtvxqew0D/aVqxTZQUu7 ZL6g== X-Gm-Message-State: AOAM5321lF2KMKxcqj+2ePKznp3wA8FuEUDnkYSDteB0ZIQMTX3xttmS svyoEBZphWyRo3f5zUByGhsUBQ== X-Google-Smtp-Source: ABdhPJzp+1ZimY7nJijJSKbz7msA3e2GL3ZygWVrX3UvWeThNpaUiW7HjJrS/JYH1z9vn0t+7eB3Zg== X-Received: by 2002:a17:90b:4a4d:: with SMTP id lb13mr595128pjb.44.1612468374865; Thu, 04 Feb 2021 11:52:54 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id a24sm7359811pff.18.2021.02.04.11.52.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Feb 2021 11:52:54 -0800 (PST) Date: Thu, 4 Feb 2021 11:52:53 -0800 From: Kees Cook 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 , 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 Subject: Re: [PATCH v19 01/25] Documentation/x86: Add CET description Message-ID: <202102041152.E257D3E2BE@keescook> References: <20210203225547.32221-1-yu-cheng.yu@intel.com> <20210203225547.32221-2-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210203225547.32221-2-yu-cheng.yu@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- Kees Cook