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=-12.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 272B6C433E0 for ; Tue, 14 Jul 2020 19:52:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0261622C9E for ; Tue, 14 Jul 2020 19:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728591AbgGNTwo (ORCPT ); Tue, 14 Jul 2020 15:52:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:55792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728301AbgGNTwo (ORCPT ); Tue, 14 Jul 2020 15:52:44 -0400 Received: from localhost.localdomain (unknown [95.146.230.158]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C582622B51; Tue, 14 Jul 2020 19:52:42 +0000 (UTC) From: Catalin Marinas To: Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Cc: Will Deacon , sudeep.holla@arm.com, kernel-hardening@lists.openwall.com, linux-acpi@vger.kernel.org, lorenzo.pieralisi@arm.com Subject: Re: [PATCH v3 0/2] arm64/acpi: restrict AML opregion memory access Date: Tue, 14 Jul 2020 20:52:41 +0100 Message-Id: <159475635407.4337.14038873676675267041.b4-ty@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200626155832.2323789-1-ardb@kernel.org> References: <20200626155832.2323789-1-ardb@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Fri, 26 Jun 2020 17:58:30 +0200, Ard Biesheuvel wrote: > v2: > - do a more elaborate check on the region, against the EFI memory map > > v3: > - split into two patches > - fallback to __ioremap() for ACPI reclaim memory, in case it is not covered > by the linear mapping (e.g., when booting a kdump kernel) > > [...] Applied to arm64 (for-next/acpi), thanks! [1/2] arm64/acpi: disallow AML memory opregions to access kernel memory https://git.kernel.org/arm64/c/1583052d111f [2/2] arm64/acpi: disallow writeable AML opregion mapping for EFI code regions https://git.kernel.org/arm64/c/325f5585ec36 -- Catalin