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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 31FABC433E7 for ; Fri, 9 Oct 2020 07:10:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4D2C722260 for ; Fri, 9 Oct 2020 07:10:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4D2C722260 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 996D36B0062; Fri, 9 Oct 2020 03:10:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9476E900002; Fri, 9 Oct 2020 03:10:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 836B26B006C; Fri, 9 Oct 2020 03:10:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0037.hostedemail.com [216.40.44.37]) by kanga.kvack.org (Postfix) with ESMTP id 536266B0062 for ; Fri, 9 Oct 2020 03:10:20 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id CABAF181AC1F5 for ; Fri, 9 Oct 2020 07:10:19 +0000 (UTC) X-FDA: 77351513358.07.girl72_2e074f7271de Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 9FFA41803F9A2 for ; Fri, 9 Oct 2020 07:10:19 +0000 (UTC) X-HE-Tag: girl72_2e074f7271de X-Filterd-Recvd-Size: 1879 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf23.hostedemail.com (Postfix) with ESMTP for ; Fri, 9 Oct 2020 07:10:18 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 33B1D68B02; Fri, 9 Oct 2020 09:10:14 +0200 (CEST) Date: Fri, 9 Oct 2020 09:10:13 +0200 From: Christoph Hellwig To: Nicolas Saenz Julienne Cc: Catalin Marinas , Rob Herring , devicetree@vger.kernel.org, will@kernel.org, Frank Rowand , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-rpi-kernel@lists.infradead.org, robin.murphy@arm.com, hch@lst.de, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 Message-ID: <20201009071013.GA12208@lst.de> References: <20201001161740.29064-1-nsaenzjulienne@suse.de> <20201001161740.29064-2-nsaenzjulienne@suse.de> <20201001171500.GN21544@gaia> <20201001172320.GQ21544@gaia> <20201002115541.GC7034@gaia> <12f33d487eabd626db4c07ded5a1447795eed355.camel@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <12f33d487eabd626db4c07ded5a1447795eed355.camel@suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Oct 08, 2020 at 12:05:25PM +0200, Nicolas Saenz Julienne wrote: > Sadly I just realised that the series is incomplete, we have RPi4 users that > want to boot unsing ACPI, and this series would break things for them. I'll > have a word with them to see what we can do for their use-case. Stupid question: why do these users insist on a totally unsuitable interface? And why would we as Linux developers care to support such a aims?