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=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 B65E0C282DD for ; Tue, 23 Apr 2019 11:21:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FE11204EC for ; Tue, 23 Apr 2019 11:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727458AbfDWLVn (ORCPT ); Tue, 23 Apr 2019 07:21:43 -0400 Received: from foss.arm.com ([217.140.101.70]:54756 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbfDWLVn (ORCPT ); Tue, 23 Apr 2019 07:21:43 -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 1E91D374; Tue, 23 Apr 2019 04:21:43 -0700 (PDT) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 710193F557; Tue, 23 Apr 2019 04:21:40 -0700 (PDT) Date: Tue, 23 Apr 2019 12:21:38 +0100 From: Will Deacon To: Jean-Philippe Brucker Cc: lorenzo.pieralisi@arm.com, bhelgaas@google.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, robin.murphy@arm.com, joro@8bytes.org, hanjun.guo@linaro.org, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, okaya@kernel.org, zhongmiao@hisilicon.com, eric.auger@redhat.com, linux-pci@vger.kernel.org Subject: Re: [PATCH v3 0/9] Add PCI ATS support to Arm SMMUv3 Message-ID: <20190423112138.GC3439@fuggles.cambridge.arm.com> References: <20190417182448.12382-1-jean-philippe.brucker@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190417182448.12382-1-jean-philippe.brucker@arm.com> User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Apr 17, 2019 at 07:24:39PM +0100, Jean-Philippe Brucker wrote: > This series enables PCI ATS in SMMUv3. Changes since v2 [1]: > > * Fix build failure when building arm-smmu-v3 without CONFIG_PCI > Patches 1 and 2 are new. > > * Only enable ATS if the root complex supports it. For the moment, only > IORT provides this information. I have patches for devicetree but > they are less mature and I'd rather make it a separate series. > > * Tried to address most comments. I'll see if I can improve the firmware > code when adding devicetree support (see [2]). > > Note that there is a small conflict with the SVA API. This series > applies on top of Joerg's api-features branch for v5.2. I'll pick this up via the SMMU queue, since the conflict with api-features is trivial to resolve. Will