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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 C6654C43A1D for ; Thu, 12 Jul 2018 07:19:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F0A120C0C for ; Thu, 12 Jul 2018 07:19:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F0A120C0C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726658AbeGLH1S (ORCPT ); Thu, 12 Jul 2018 03:27:18 -0400 Received: from verein.lst.de ([213.95.11.211]:57047 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725811AbeGLH1S (ORCPT ); Thu, 12 Jul 2018 03:27:18 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 5B03B6FB7B; Thu, 12 Jul 2018 09:20:51 +0200 (CEST) Date: Thu, 12 Jul 2018 09:20:51 +0200 From: Christoph Hellwig To: Robin Murphy Cc: Christoph Hellwig , m.szyprowski@samsung.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.pieralisi@arm.com, hanjun.guo@linaro.org, sudeep.holla@arm.com, robh+dt@kernel.org, frowand.list@gmail.com, gregkh@linuxfoundation.org, joro@8bytes.org, x86@kernel.org Subject: Re: [RFC PATCH 1/4] dma-mapping: Generalise dma_32bit_limit flag Message-ID: <20180712072051.GC15624@lst.de> References: <20180710180433.GB26285@lst.de> <868cead9-88a7-e58d-3452-a78e19be5f47@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <868cead9-88a7-e58d-3452-a78e19be5f47@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 11, 2018 at 05:56:40PM +0100, Robin Murphy wrote: > Indeed, once we've found an approach that everyone's happy with we can have > a more thorough audit of exactly where else it needs to be applied. FWIW > I'm not aware of any 32-bit Arm systems affected by this*, but if they do > exist then at least there's no risk of regression since they've always been > busted. Ok, great. I just assumed arm might be affected due to the fact that it currently parses dma-ranges DT properties.