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_PASS,URIBL_BLOCKED,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 F03B9C6778D for ; Tue, 11 Sep 2018 06:43:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6BA72086A for ; Tue, 11 Sep 2018 06:43:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6BA72086A 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 S1727702AbeIKLl3 (ORCPT ); Tue, 11 Sep 2018 07:41:29 -0400 Received: from verein.lst.de ([213.95.11.211]:41121 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbeIKLl2 (ORCPT ); Tue, 11 Sep 2018 07:41:28 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id ED14D67357; Tue, 11 Sep 2018 08:48:02 +0200 (CEST) Date: Tue, 11 Sep 2018 08:48:02 +0200 From: Christoph Hellwig To: Robin Murphy Cc: Christoph Hellwig , iommu@lists.linux-foundation.org, Marek Szyprowski , Paul Burton , Greg Kroah-Hartman , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/5] dma-mapping: move the dma_coherent flag to struct device Message-ID: <20180911064802.GB6214@lst.de> References: <20180910060533.27172-1-hch@lst.de> <20180910060533.27172-3-hch@lst.de> <71ec3eef-54c1-f692-5a17-4302c4dd4b05@arm.com> <20180910154747.GA23578@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Mon, Sep 10, 2018 at 05:06:40PM +0100, Robin Murphy wrote: >>> Nits aside, this otherwise looks sane to me for factoring out the >>> equivalent Xen and arm64 DMA ops cases. >> >> Like this? :) >> >> http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-maybe-coherent > > Man, that's going to take me a *lot* of time to pick through. All those > horrendous subtleties that I barely remember! The good thing is that if I remember correctly there is just a single patch that (intentionally) changes behavior. The rest is just refactoring and moving code around. Anyway, I want to get this series in now, and the kick off the swiotlb discussion with Konread. We might not even get to the iommu patches for this merge window depending on how long it takes.