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Tue, 17 Oct 2023 11:15:59 -0700 From: Nicolin Chen To: , CC: , , , Subject: [PATCH] iommufd: Correct IOMMU_HWPT_ALLOC_NEST_PARENT description Date: Tue, 17 Oct 2023 11:15:52 -0700 Message-ID: <20231017181552.12667-1-nicolinc@nvidia.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB71:EE_|PH8PR12MB7448:EE_ X-MS-Office365-Filtering-Correlation-Id: ec4015a2-9e53-47fc-90d3-08dbcf3d2794 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:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(346002)(376002)(39860400002)(136003)(396003)(230922051799003)(82310400011)(64100799003)(186009)(1800799009)(451199024)(46966006)(40470700004)(36840700001)(336012)(426003)(36756003)(2906002)(86362001)(1076003)(356005)(7636003)(26005)(82740400003)(2616005)(83380400001)(7696005)(478600001)(47076005)(6666004)(4326008)(36860700001)(5660300002)(8936002)(8676002)(40480700001)(316002)(40460700003)(70206006)(110136005)(70586007)(54906003)(41300700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2023 18:16:16.4872 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ec4015a2-9e53-47fc-90d3-08dbcf3d2794 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB71.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7448 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The IOMMU_HWPT_ALLOC_NEST_PARENT flag is used to allocate a HWPT. Though a HWPT holds a domain in the core structure, it is still quite confusing to describe it using "domain" in the uAPI kdoc. Correct it to "HWPT". Fixes: 4ff542163397 ("iommufd: Support allocating nested parent domain") Signed-off-by: Nicolin Chen --- include/uapi/linux/iommufd.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h index 4a7c5c8fdbb4..be7a95042677 100644 --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -349,9 +349,8 @@ struct iommu_vfio_ioas { =20 /** * enum iommufd_hwpt_alloc_flags - Flags for HWPT allocation - * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a domain which can serve - * as the parent domain in the nesting - * configuration. + * @IOMMU_HWPT_ALLOC_NEST_PARENT: If set, allocate a HWPT that can serve as + * the parent HWPT in a nesting configurati= on. */ enum iommufd_hwpt_alloc_flags { IOMMU_HWPT_ALLOC_NEST_PARENT =3D 1 << 0, --=20 2.42.0