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[23.128.96.18]) by mx.google.com with ESMTP id bf18si2334977edb.35.2020.04.15.16.41.26; Wed, 15 Apr 2020 16:41:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393575AbgDOGgp (ORCPT + 99 others); Wed, 15 Apr 2020 02:36:45 -0400 Received: from mga12.intel.com ([192.55.52.136]:33899 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393565AbgDOGg0 (ORCPT ); Wed, 15 Apr 2020 02:36:26 -0400 IronPort-SDR: AxuWUswikhaQHgE9NbIcR4k/XrGOsrf6O51f7y6KnLBDatEdq7L/s6mXCiIN7CYhFGXmkAv9JF Q8gfGjalKhfg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2020 23:36:26 -0700 IronPort-SDR: e6xHGQuPW0GE2LEJRgwBaaQuNwmEtvc/TZ2WPBNJCcxxDlhT3Yrpnh18pXIf/KDAcMJ1v7zZbH nGNmd7m4gNaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,386,1580803200"; d="scan'208";a="363591408" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.210.208]) ([10.254.210.208]) by fmsmga001.fm.intel.com with ESMTP; 14 Apr 2020 23:36:20 -0700 Cc: baolu.lu@linux.intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-tegra@vger.kernel.org, virtualization@lists.linux-foundation.org, Joerg Roedel Subject: Re: [PATCH v2 07/33] iommu: Add probe_device() and remove_device() call-backs To: Joerg Roedel , Will Deacon , Robin Murphy , Marek Szyprowski , Kukjin Kim , Krzysztof Kozlowski , David Woodhouse , Andy Gross , Bjorn Andersson , Matthias Brugger , Rob Clark , Heiko Stuebner , Gerald Schaefer , Thierry Reding , Jonathan Hunter , Jean-Philippe Brucker References: <20200414131542.25608-1-joro@8bytes.org> <20200414131542.25608-8-joro@8bytes.org> From: Lu Baolu Message-ID: <0ad37581-b464-30ac-c503-4c0daaf43867@linux.intel.com> Date: Wed, 15 Apr 2020 14:36:20 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200414131542.25608-8-joro@8bytes.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/4/14 21:15, Joerg Roedel wrote: > From: Joerg Roedel > > Add call-backs to 'struct iommu_ops' as an alternative to the > add_device() and remove_device() call-backs, which will be removed when > all drivers are converted. > > The new call-backs will not setupt IOMMU groups and domains anymore, > so also add a probe_finalize() call-back where the IOMMU driver can do > per-device setup work which require the device to be set up with a > group and a domain. The subject is inaccurate. probe_device() and release_device() are added to replace the add and remove pair. Best regards, baolu