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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Exchange-RoutingPolicyChecked: VXuSYUTcFJ3GPMwXare7ULIGa7fpIYdYjjkYEm7zsBtofp6AFS8Gw1PINwwZt01RhgkWHPtgCn8F6joo4BRK+4Qzw2e7kJg30OveglkTVWjNwnA/EO4/hbjT0JhuGfXYurONycwCGFV7Lc4zA+qXrkPXaFN7mct/+qhYFJEKKFOZ8pYebqS60PV0cm+gTqgeUv4QO5RkJ6vxDdk6OKpQaRhvNjzNC95jrtg3wT9CwSmY/qaDnAPRO3jzIpA85mO/YcDy4cZmWtF1d3R8C5WWWytVGSvgfnQ76RiJNwtn3uJ25GbqSYA4QwuNFXpwvkJ6z2p1LFPDRD0b1fzyRKVwdg== X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO1PR11MB4835.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 80c3677d-09a2-465f-840e-08df1a1447f2 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Sep 2026 08:17:31.8041 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8DN2vLXMgM22rLxzCwIQ7ZvfWut86pTINJRGCW8kif/HkEHOUw3ALEenQ3gAwn8/PxeNmNO1QTHUXiLIRf+bnA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR11MB8529 X-OriginatorOrg: intel.com > From: Aneesh Kumar K.V (Arm) > Sent: Thursday, September 17, 2026 10:02 PM [...] > + pf0 =3D to_pci_tsm_pf0(pdev->tsm); > + if (!pf0) > + return ERR_PTR(-ENXIO); > + > + context =3D kzalloc_obj(*context); > + if (!context) > + return ERR_PTR(-ENOMEM); > + > + guard(mutex)(&pf0->lock); > + pf0->context_users++; > + context->pf0 =3D pf0; > + context->pdev =3D pci_dev_get(pdev); > + INIT_LIST_HEAD(&context->bound_node); > + context->dsm_dev =3D pci_dev_get(pf0->base_tsm.pdev); > + tsm_device =3D get_device(&pdev->tsm->tsm_dev->dev); is it redundant? Ideally we just need hold one reference when initializing the vIOMMU... btw if it's indeed required, use tsm_get() instead?