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 79878C433E0 for ; Thu, 4 Feb 2021 20:26:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EB6864F45 for ; Thu, 4 Feb 2021 20:26:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240133AbhBDU0D (ORCPT ); Thu, 4 Feb 2021 15:26:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240096AbhBDUZ0 (ORCPT ); Thu, 4 Feb 2021 15:25:26 -0500 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 383A0C06178B for ; Thu, 4 Feb 2021 12:24:46 -0800 (PST) Received: by mail-pg1-x534.google.com with SMTP id t25so2937677pga.2 for ; Thu, 04 Feb 2021 12:24:46 -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=v8ghTr9pbY/sls4eNB3Cpe47CdWbhMFVnLsnjhJ6vZc=; b=NfWYk55j/9pHR6ZwBz1BiHiQ0zm0oSAiebaqx41lmY8ATDui9uD4zOpvr1aLyvQ1N3 cxj4/Lz8KdrMEVhUcrOSC+gPXJol6Oyi1FF2l+7sSp8oIhLsLo4n/2IIXR/XGMyByy9/ f5USnJaT8vnRTsACtxnaMEBT0DQnYr74i4M/A= 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=v8ghTr9pbY/sls4eNB3Cpe47CdWbhMFVnLsnjhJ6vZc=; b=e19wpDgd8gCV9TvlFOgkyYCbtaeOpc2Y8O9SOjGDl2wFRuIGBLB2bMmaE7NO5Zrd6S y6YBnr5OiS/Gg3JFXQFe5Va5yJJydQSVVrZcT01n1Lqp2Pb1lVHrVmzauuqxdSkx7Wro osVkFxuQEpE7ZfB7Tues0oBh9JejdhOUwYBFJHWUDPHBPioMrMMikZfi74XH+PRMuMoZ rQVnvbmjD0ym58v/4E+tA9dEGUFA9MZuCBudwEQQ+FXEwNVYaMuS9F479dHpeQh9N0Em T3LUJzKDvyyWF8sZdcs2nGgEevRYe8j+A6m6+ktqy9bLxqmOAHYUb1/GeqZNz4ZVC99a DlZg== X-Gm-Message-State: AOAM530YnUTBVnFsVC5Nqi6/oo/wVlO0/DTPPXv48DgkbCE4WoCdTEiW C1Okg6SJlKOsj0ZK2yHbdxIsyg== X-Google-Smtp-Source: ABdhPJwx/qC+502sdYByWHnbj542w1LMu6piAa6mgivDXuOnGvWTdAo7oGxK4C8n+Ttq1teH4i0atA== X-Received: by 2002:a62:1c47:0:b029:1c8:81d2:b413 with SMTP id c68-20020a621c470000b02901c881d2b413mr889462pfc.56.1612470285277; Thu, 04 Feb 2021 12:24:45 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id p17sm3624550pgn.38.2021.02.04.12.24.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Feb 2021 12:24:44 -0800 (PST) Date: Thu, 4 Feb 2021 12:24:43 -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 17/25] mm/mmap: Add shadow stack pages to memory accounting Message-ID: <202102041224.14CB1AA@keescook> References: <20210203225547.32221-1-yu-cheng.yu@intel.com> <20210203225547.32221-18-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210203225547.32221-18-yu-cheng.yu@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 03, 2021 at 02:55:39PM -0800, Yu-cheng Yu wrote: > Account shadow stack pages to stack memory. > > Signed-off-by: Yu-cheng Yu Reviewed-by: Kees Cook -- Kees Cook