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Mon, 6 Jun 2022 21:03:09 -0700 Date: Mon, 6 Jun 2022 21:03:08 -0700 From: Nicolin Chen To: Baolu Lu CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH 1/5] iommu: Return -EMEDIUMTYPE for incompatible domain and device/group Message-ID: References: <20220606061927.26049-1-nicolinc@nvidia.com> <20220606061927.26049-2-nicolinc@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0683e660-e9e2-463d-45cb-08da483aa4fd X-MS-TrafficTypeDiagnostic: CH2PR12MB4840:EE_ X-Microsoft-Antispam-PRVS: 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:12.22.5.236;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230001)(4636009)(36840700001)(40470700004)(46966006)(81166007)(4744005)(4326008)(8936002)(8676002)(47076005)(5660300002)(7416002)(36860700001)(82310400005)(356005)(70206006)(70586007)(7406005)(33716001)(316002)(55016003)(86362001)(426003)(26005)(508600001)(336012)(6916009)(54906003)(53546011)(9686003)(40460700003)(2906002)(186003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jun 2022 04:03:13.8617 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0683e660-e9e2-463d-45cb-08da483aa4fd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT011.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4840 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On Tue, Jun 07, 2022 at 11:23:27AM +0800, Baolu Lu wrote: > External email: Use caution opening links or attachments > > > On 2022/6/6 14:19, Nicolin Chen wrote: > > +/** > > + * iommu_attach_group - Attach an IOMMU group to an IOMMU domain > > + * @domain: IOMMU domain to attach > > + * @dev: IOMMU group that will be attached > > Nit: @group: ... Oh...Thanks!