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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1C94EC282DD for ; Thu, 23 May 2019 12:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8B7F21019 for ; Thu, 23 May 2019 12:33:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730627AbfEWMdF (ORCPT ); Thu, 23 May 2019 08:33:05 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:45406 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728309AbfEWMdE (ORCPT ); Thu, 23 May 2019 08:33:04 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EA87B80D; Thu, 23 May 2019 05:33:03 -0700 (PDT) Received: from [10.1.196.75] (e110467-lin.cambridge.arm.com [10.1.196.75]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 75E153F575; Thu, 23 May 2019 05:33:02 -0700 (PDT) Subject: Re: implement generic dma_map_ops for IOMMUs v6 To: Christoph Hellwig Cc: Tom Murphy , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org References: <20190523070028.7435-1-hch@lst.de> From: Robin Murphy Message-ID: <60f73595-006d-8f88-f5af-d362f9e42ec1@arm.com> Date: Thu, 23 May 2019 13:33:00 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190523070028.7435-1-hch@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/05/2019 08:00, Christoph Hellwig wrote: > > Hi Robin and Joerg, > > I think we are finally ready for the generic dma-iommu series. I have > various DMA API changes pending, and Tom has patches ready to convert > the AMD and Intel iommu drivers over to it. I'd love to have this > in a stable branch shared between the dma-mapping and iommu trees > the day after rc2 is released. I volunteer to create the branch, > but I'm fine with it living in the iommu tree as well. Yup, I'd also like to see this in -next ASAP in the hope that board farms and maybe even real users can start chewing on it. Thanks for persevering :) Robin. > > > A git tree is also available at: > > git://git.infradead.org/users/hch/misc.git dma-iommu-ops.6 > > Gitweb: > > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-iommu-ops.6 > > Changes since v5: > - rebased to latest linus tree and dropped a patch now merged > - remove the now pointless __dma_iommu_mmap function > - restore a cleanup from Robin that would have caused a conflict in > last merge winow, but is fine now > > Changes since v4: > - rebased to 5.2-rc1 > > Changes since v3: > - fold the separate patch to refactor mmap bounds checking > - don't warn on not finding a vm_area > - improve a commit log > - refactor __dma_iommu_free a little differently > - remove a minor MSI map cleanup to avoid a conflict with the > "Split iommu_dma_map_msi_msg" series > > Changes since v2: > - address various review comments and include patches from Robin > > Changes since v1: > - only include other headers in dma-iommu.h if CONFIG_DMA_IOMMU is enabled > - keep using a scatterlist in iommu_dma_alloc > - split out mmap/sgtable fixes and move them early in the series > - updated a few commit logs > _______________________________________________ > iommu mailing list > iommu@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu >