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=-2.2 required=3.0 tests=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 CA63DC43215 for ; Thu, 21 Nov 2019 16:02:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A18E420692 for ; Thu, 21 Nov 2019 16:02:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbfKUQCX (ORCPT ); Thu, 21 Nov 2019 11:02:23 -0500 Received: from verein.lst.de ([213.95.11.211]:46911 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726293AbfKUQCX (ORCPT ); Thu, 21 Nov 2019 11:02:23 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id D87F268BFE; Thu, 21 Nov 2019 17:02:17 +0100 (CET) Date: Thu, 21 Nov 2019 17:02:17 +0100 From: Christoph Hellwig To: Robin Murphy Cc: Christoph Hellwig , Nicolas Saenz Julienne , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Bjorn Helgaas , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Jens Axboe , Joerg Roedel , Rob Herring , Frank Rowand , Marek Szyprowski , Ralf Baechle , Paul Burton , James Hogan , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, "Rafael J. Wysocki" , Len Brown , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ide@vger.kernel.org, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, Catalin Marinas , Will Deacon Subject: Re: [PATCH v2] dma-mapping: treat dev->bus_dma_mask as a DMA limit Message-ID: <20191121160217.GA1583@lst.de> References: <20191121092646.8449-1-nsaenzjulienne@suse.de> <20191121152457.GA525@lst.de> <20191121152650.GA651@lst.de> <70359d2a-10c6-09c7-a857-805085affb0a@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <70359d2a-10c6-09c7-a857-805085affb0a@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org On Thu, Nov 21, 2019 at 03:55:39PM +0000, Robin Murphy wrote: > Hmm, there's no functional dependency though, is there? AFAICS it's > essentially just a context conflict. Is it worth simply dropping (or > postponing) the local renaming in __dma_direct_optimal_gfp_mask(), or > perhaps even cross-merging arm64/for-next/zone-dma into dma/for-next? I would have no problem with pulling it in. I'd kinda hate creating the conflict, though. So if the arm64 maintainers are fine with it I'll pull it in, especially if I get an ACK from Robin.