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=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 35CA5FA372C for ; Fri, 8 Nov 2019 15:16:17 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 05C66222C4 for ; Fri, 8 Nov 2019 15:16:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="p2x2OLB9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05C66222C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id CD711DB5; Fri, 8 Nov 2019 15:16:16 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 33F28DB4 for ; Fri, 8 Nov 2019 15:16:16 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C2FE8196 for ; Fri, 8 Nov 2019 15:16:15 +0000 (UTC) Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8EBE2214DB; Fri, 8 Nov 2019 15:16:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573226175; bh=nD47Fyavvt+u4/f0W65Gr+cRRT2ED6dF9mWsjBW13dc=; h=From:To:Cc:Subject:Date:From; b=p2x2OLB9c0MkLxp4toBA4qT2FhiYuS31bX+d7J29WYWWLOgeJ+Y7yso8TiOKCaPJ9 +N/wg4fwi0M12IGed/UzywZb4K/G9EiVycGbhAdw4ACh1Tuo9xw11EnSZ/BDXEXz7c UhLbZj/ZNuo/+4fCyWbeiNITXN2d+NxNy9daP8eA= From: Will Deacon To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/9] iommu: Permit modular builds of ARM SMMU[v3] drivers Date: Fri, 8 Nov 2019 15:15:59 +0000 Message-Id: <20191108151608.20932-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Cc: "Isaac J. Manjarres" , Jean-Philippe Brucker , Saravana Kannan , Robin Murphy , Bjorn Helgaas , Will Deacon X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Hi all, This is version two of the patches I previously posted here: https://lore.kernel.org/lkml/20191030145112.19738-1-will@kernel.org/ Changes since v1 include: * Build single "arm-smmu-mod.ko" module for the Arm SMMU driver * Hold a reference to the IOMMU driver module across {add,remove}_device() * Take a reference to the IOMMU driver module during of_xlate() * Added Bjorn's ack on the PCI export patch Please note that I haven't been able to test this properly, since I don't currently have access to any Arm SMMU hardware. Cheers, Will Cc: Jean-Philippe Brucker Cc: Jordan Crouse Cc: John Garry Cc: Bjorn Helgaas Cc: Saravana Kannan Cc: "Isaac J. Manjarres" Cc: Robin Murphy Cc: Lorenzo Pieralisi Cc: Joerg Roedel --->8 Will Deacon (9): drivers/iommu: Export core IOMMU API symbols to permit modular drivers iommu/of: Request ACS from the PCI core when configuring IOMMU linkage PCI: Export pci_ats_disabled() as a GPL symbol to modules drivers/iommu: Take a ref to the IOMMU driver prior to ->add_device() iommu/of: Take a ref to the IOMMU driver during ->of_xlate() Revert "iommu/arm-smmu: Make arm-smmu-v3 explicitly non-modular" iommu/arm-smmu-v3: Allow building as a module Revert "iommu/arm-smmu: Make arm-smmu explicitly non-modular" iommu/arm-smmu: Allow building as a module drivers/iommu/Kconfig | 16 ++++++- drivers/iommu/Makefile | 3 +- drivers/iommu/arm-smmu-v3.c | 27 +++++++----- drivers/iommu/arm-smmu.c | 87 ++++++++++++++++++++++--------------- drivers/iommu/iommu-sysfs.c | 5 +++ drivers/iommu/iommu.c | 27 +++++++++++- drivers/iommu/of_iommu.c | 17 +++++--- drivers/pci/pci.c | 1 + include/linux/iommu.h | 2 + 9 files changed, 130 insertions(+), 55 deletions(-) -- 2.24.0.rc1.363.gb1bccd3e3d-goog _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu