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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 5ED71C43387 for ; Wed, 19 Dec 2018 06:42:24 +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 2D54221850 for ; Wed, 19 Dec 2018 06:42:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nA3X/R/Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D54221850 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-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=r6bEdIBMV7IftL7hE2zAcfchL5Elejb4eCOG0xWfruo=; b=nA3X/R/Y8eQ1P1 wnP+YQfb4eKamcGz2bBSpZfWJIzEKq8FcaS/yFYDWjtPPE5MyZg7uxKoMVcfKHdFiN2HBWlVlaQo5 O6e//4anbGjOLkrtEqpSej21bxARE+cFKH34e5Z7Mx1f4gknsxGv2v9L5gxCcMqSwkzMthWGzLWuP fQR+dVBneQVNS57fN6tIQzhCVzF1O1XlTZe2k3ptJQRDTjRjH0I5kUt514t5TocD1CmtKQl0W+ipE DokuNxhd37t0TFnEbH4K8Yzggp8B1BDAFsfhh98gWgvoH3SqF2PXBGfcX6lO0/ILdhp3w4OrHqkdG JstKrGOjmatgtmdqGnbA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZVYk-0000gs-FM; Wed, 19 Dec 2018 06:42:22 +0000 Received: from verein.lst.de ([213.95.11.211] helo=newverein.lst.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gZVYg-0000fE-UR for linux-arm-kernel@lists.infradead.org; Wed, 19 Dec 2018 06:42:20 +0000 Received: by newverein.lst.de (Postfix, from userid 2407) id 9559C67358; Wed, 19 Dec 2018 07:42:06 +0100 (CET) Date: Wed, 19 Dec 2018 07:42:06 +0100 From: Christoph Hellwig To: Robin Murphy Subject: Re: [15/15] dma-mapping: bypass indirect calls for dma-direct Message-ID: <20181219064206.GA27018@lst.de> References: <20181207190720.18517-16-hch@lst.de> <2e779fa7-dc9f-7ed8-252a-5d20c5deca9c@collabora.com> <92096de9-7183-dbe8-2169-0143190591fa@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <92096de9-7183-dbe8-2169-0143190591fa@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181218_224219_130163_03C39280 X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fenghua Yu , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= , linux-ia64@vger.kernel.org, Konrad Rzeszutek Wilk , ezequiel Garcia , Guillaume Tucker , Ilias Apalodimas , linux-pci@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Keith Busch , iommu@lists.linux-foundation.org, Tony Luck , "linux-arm-kernel@lists.infradead.org" , Jesper Dangaard Brouer , Marek Szyprowski , Linus Torvalds , Christoph Hellwig , Jonathan Derrick , Tariq Toukan 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 Tue, Dec 18, 2018 at 08:42:46PM +0000, Robin Murphy wrote: >> [ 16.046084] rk_iommu ff8f3f00.iommu: DMA map error for DT > > Yup, with this patch as-is, anything which isn't behind an IOMMU will be > erroneously banned from DMA entirely - see here: > > https://lore.kernel.org/lkml/20181214142435.GA18448@lst.de/ FYI, I'm still waiting for a review on that.. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel