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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 BE19CC43215 for ; Thu, 21 Nov 2019 16:54:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 62675206CC for ; Thu, 21 Nov 2019 16:54:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="psjkZDxG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="nOqy6YqN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62675206CC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ff5sZMuJXQNykwEfWqq5u9pEcpr5rKYoWVT1wZRfRPk=; b=psjkZDxGZ7R+e6 0aa6IHQThFKDAHiARCKRvhX2xzoZrRJJH/buc4V3qM6xV5/E1GylR2MwRwXGdyVq5lPxj4UiMmO+b I7bPi7sat2QyiMzs1FPBQ0WBeht7Ygo9TDxj2SopU79BJosVgrGBiUuzvba1Mt4du0Q0jfsUwI4l3 7i98ub8Pb1u4P93FAY4O0wIsyhN8PX8RE6j73NEQFwKULf3s+94pYXx54u74m0eyHoOXXZFRIoNmc B+EAdsX6oT6AZ2i9dPyU72PTbegXPvN5UOBxPQJuNG3nTztWYSbInjwGRjQN3i+X6733Tw/a1WVTL mYoXwIXN9EdGwQFdEUxA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXpiU-0008E5-Bu; Thu, 21 Nov 2019 16:54:02 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iXpiQ-0008CY-Dh for linux-arm-kernel@lists.infradead.org; Thu, 21 Nov 2019 16:54:00 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D73BF20658; Thu, 21 Nov 2019 16:53:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574355237; bh=U//DMVp98yPH8p7vkS8DG0VecnLBLi0eUqdzTWKCIus=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nOqy6YqNYkxCxubuh9LZRljCgNKNxAsSy1UZanVKcKNTQ0A+tl9OqDhWF1GMUi4VE qCPF4LWenOgvvV3Mv9FVQsp/jUSvU93wKcKVK4AdA5iMcZwWJuJ7nmsVzYvhYO3Wiz XIGuZedbQKcuRhdrbEVbqndrWgGFUa7vtiqpAiXE= Date: Thu, 21 Nov 2019 16:53:48 +0000 From: Will Deacon To: Christoph Hellwig Subject: Re: [PATCH v2] dma-mapping: treat dev->bus_dma_mask as a DMA limit Message-ID: <20191121165348.GC4905@willie-the-truck> References: <20191121092646.8449-1-nsaenzjulienne@suse.de> <20191121152457.GA525@lst.de> <20191121152650.GA651@lst.de> <70359d2a-10c6-09c7-a857-805085affb0a@arm.com> <20191121160217.GA1583@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191121160217.GA1583@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191121_085358_502440_65655379 X-CRM114-Status: GOOD ( 13.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Paul Mackerras , Hanjun Guo , Frank Rowand , Marek Szyprowski , Lorenzo Pieralisi , "H. Peter Anvin" , Paul Burton , Michael Ellerman , Joerg Roedel , x86@kernel.org, linux-acpi@vger.kernel.org, Ingo Molnar , James Hogan , Len Brown , devicetree@vger.kernel.org, Rob Herring , Borislav Petkov , Andy Lutomirski , Bjorn Helgaas , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Jens Axboe , linuxppc-dev@lists.ozlabs.org, "Rafael J. Wysocki" , linux-mips@vger.kernel.org, Ralf Baechle , iommu@lists.linux-foundation.org, Sudeep Holla , Robin Murphy , Nicolas Saenz Julienne Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Nov 21, 2019 at 05:02:17PM +0100, Christoph Hellwig wrote: > 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. Please go ahead and pull in our for-next/zone-dma branch if you need it. We're not going to rebase it, and I suspect we won't even be queueing anything else there at this stage in the game. Cheers, Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel