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Thu, 31 Aug 2023 15:32:48 -0700 Date: Thu, 31 Aug 2023 15:32:46 -0700 From: Nicolin Chen To: Michael Shavit CC: , , , , , , , Jason Gunthorpe , Joerg Roedel , Kevin Tian , "Kirill A. Shutemov" , Lu Baolu , Mark Brown , Yicong Yang Subject: Re: [PATCH v7 6/9] iommu/arm-smmu-v3: Move CD table to arm_smmu_master Message-ID: References: <20230831174536.103472-1-mshavit@google.com> <20230901014413.v7.6.Ice063dcf87d1b777a72e008d9e3406d2bcf6d876@changeid> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230901014413.v7.6.Ice063dcf87d1b777a72e008d9e3406d2bcf6d876@changeid> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A103:EE_|PH8PR12MB8429:EE_ X-MS-Office365-Filtering-Correlation-Id: 971ad0ac-47b4-4fa6-1afb-08dbaa723bd0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(396003)(346002)(39860400002)(136003)(376002)(1800799009)(186009)(451199024)(82310400011)(40470700004)(36840700001)(46966006)(356005)(7636003)(82740400003)(9686003)(40460700003)(36860700001)(86362001)(47076005)(40480700001)(55016003)(2906002)(4744005)(426003)(336012)(26005)(83380400001)(478600001)(70206006)(8936002)(70586007)(54906003)(8676002)(4326008)(5660300002)(7416002)(41300700001)(6916009)(316002)(33716001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Aug 2023 22:33:00.7669 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 971ad0ac-47b4-4fa6-1afb-08dbaa723bd0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A103.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB8429 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230831_153311_060403_8C4A2008 X-CRM114-Status: GOOD ( 12.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Sep 01, 2023 at 01:44:35AM +0800, Michael Shavit wrote: > With this change, each master will now own its own CD table instead of > sharing one with other masters attached to the same domain. Attaching a > stage 1 domain installs CD entries into the master's CD table. SVA > writes its CD entries into each master's CD table if the domain is > shared across masters. > > Also add the device to the devices list before writing the CD to the > table so that SVA will know that the CD needs to be re-written to this > device's CD table as well if it decides to update the CD's ASID > concurrently with this function. > > Tested-by: Nicolin Chen > Reviewed-by: Jason Gunthorpe > Signed-off-by: Michael Shavit Reviewed-by: Nicolin Chen _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel