Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3703350ybz; Mon, 20 Apr 2020 07:59:33 -0700 (PDT) X-Google-Smtp-Source: APiQypIgx41xw5uYpYevP0CiMF4rITZjNgNae/gPOIpRIO40ZJVis7ZjFfesBuyOxFOKZK5Mv7J6 X-Received: by 2002:a17:906:4a94:: with SMTP id x20mr16766435eju.306.1587394772977; Mon, 20 Apr 2020 07:59:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587394772; cv=none; d=google.com; s=arc-20160816; b=JsmLj6VWavnlXrPEG6xVsmXDOR/zFmYB6PxVbwhNV1xK5uhcQ1H2Vc9EDDU1dJvTSw qXe72bC8FrgCFQ0clVPTnAWnV/wH/M2Kqz+pYD4x++Mh5PV9RVcKZ7G7hbUL+YEo50YO 18283mZ9coQSxB9uQlpP6ou/DWfVMNWfK0zn6xXNd9WCJ44s00KyCtEKSHU27IzGLpKF Zbc7B/JMIKQ0nOuXhYRE7Nx7vTUEnDOtPTK/444cf8uOuw35iHk1mTg4uWg2QbvWuUjT oXhGhAYcvuKhWpXpbHdyl9J3Uiv+6/z9bD110NIWbYa1x3+2FoGTTb5AA1e1FvHFirLt NfBw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender: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=y3N8zZH6guVRpC+PatUkjRfmI/fkMKnySz+IqXo4BBc=; b=Xg566oXZu0YELjEGx3tXyiIG/t/h3inO2vGpV6jHu6AkmJHpazgDYviU4KQepDUZdr SrEJksBZFkEk6QC2ZanLF4i4nAOnyn/Y8gaq+wwCSf8Kd4l74rFiZncN+trBtQ/ugP8N Cn1i8Q0BRBfnP2ZKM++jEx+8WO5fGh1LX64d1rwgMZdtp8V6KUhHIn/mPPtaJq2RnCdm FSew+fO7kXG+JJUfvs/H4ofs6un1WP/6821owgGXmeTOCpU9pu8iMbkUjFJ6OGovM/2W SEdIq3I1rKg9//+HYDadNrrXhx3YkAJmna7NLHJF+B9En57uldIgCeklQAoK29VXfMtL KgXw== 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 m16si610255edj.564.2020.04.20.07.59.09; Mon, 20 Apr 2020 07:59:32 -0700 (PDT) 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 S1726912AbgDTNrx (ORCPT + 99 others); Mon, 20 Apr 2020 09:47:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:4370 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726105AbgDTNrx (ORCPT ); Mon, 20 Apr 2020 09:47:53 -0400 IronPort-SDR: DbgNKJoHeIXuzZo19puE8KxlsvmnDz7DNhby2wpYAH8QeuYC7CJMYOtgOFVq2ieV8q4uCPtV12 dYr1sU9OjhAQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2020 06:47:53 -0700 IronPort-SDR: jwQolS9u+4721QdJFLXFEOkkXhmo1m2C+SFHHPT0cni8hJqTPMwOlDTulPPYyhjJrhSb2AZYL8 yASKG9D7+w1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,406,1580803200"; d="scan'208";a="279244431" Received: from avandeve-mobl.amr.corp.intel.com (HELO [10.135.0.43]) ([10.135.0.43]) by fmsmga004.fm.intel.com with ESMTP; 20 Apr 2020 06:47:52 -0700 Subject: Re: [PATCH 9/9] module: Reorder functions To: Ard Biesheuvel Cc: Kristen Carlson Accardi , Kees Cook , Thomas Gleixner , Ingo Molnar , Borislav Petkov , hpa@zytor.com, Jessica Yu , X86 ML , Linux Kernel Mailing List , kernel-hardening@lists.openwall.com, rick.p.edgecomb@intel.com References: <20200415210452.27436-1-kristen@linux.intel.com> <20200415210452.27436-10-kristen@linux.intel.com> From: Arjan van de Ven Message-ID: <578416ef-3d1d-4b64-2be7-0ae1f5b84796@linux.intel.com> Date: Mon, 20 Apr 2020 06:47:52 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/20/2020 6:43 AM, Ard Biesheuvel wrote: > > Note that arm64 does not have a decompressor, so there the fine > grained randomization of the core kernel is not really feasible using > the approach presented here. maybe do a "memcpy" decompressor as an option? :-) >