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=-5.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 B9F31C4338F for ; Mon, 26 Jul 2021 12:06:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A3BC60F42 for ; Mon, 26 Jul 2021 12:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233885AbhGZL0V (ORCPT ); Mon, 26 Jul 2021 07:26:21 -0400 Received: from foss.arm.com ([217.140.110.172]:50934 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233738AbhGZL0U (ORCPT ); Mon, 26 Jul 2021 07:26:20 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AADC631B; Mon, 26 Jul 2021 05:06:48 -0700 (PDT) Received: from [10.57.36.146] (unknown [10.57.36.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4F3BD3F70D; Mon, 26 Jul 2021 05:06:47 -0700 (PDT) Subject: Re: [PATCH 00/23] iommu: Refactor DMA domain strictness To: John Garry , joro@8bytes.org, will@kernel.org Cc: iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, suravee.suthikulpanit@amd.com, baolu.lu@linux.intel.com, dianders@chromium.org References: <8e9da41e-4e3a-7098-bece-7f6cba89a2aa@huawei.com> From: Robin Murphy Message-ID: <519d4a00-a251-3437-6c3e-6ee3e75bf64c@arm.com> Date: Mon, 26 Jul 2021 13:06:41 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <8e9da41e-4e3a-7098-bece-7f6cba89a2aa@huawei.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-07-26 09:13, John Garry wrote: > On 21/07/2021 19:20, Robin Murphy wrote: >> Hi all, >> >> First off, yes, this conflicts with just about everything else >> currently in-flight. Sorry about that. If it stands up to initial review >> then I'll start giving some thought to how to fit everything together >> (particularly John's cleanup of strictness defaults, which I'd be >> inclined to fold into a v2 of this series). > > It seems to me that patch #20 is the only real conflict, and that is > just a different form of mine in that passthrough, strict, and lazy are > under a single choice, as opposed to passthrough being a separate config > (for mine). And on that point, I did assume that we would have a > different sysfs file for strict vs lazy in this series, and not a new > domain type. But I assume that there is a good reason for that. Yes, as mentioned by patch #18 it helps a surprising number of things fall into place really neatly. > Anyway, I'd really like to see my series just merged now. Sure, I was going to say I can happily rebase on top of your series as-is if Joerg wants to apply it first, and now that's just happened :) Cheers, Robin.