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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 584011b0-db1d-43dd-61bb-08de26fece17 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Nov 2025 00:01:35.4295 (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: RFcr1CY6x9pSLNtrXdMV1suLk+vHcQzDu6l+UidY43e9s9MskDJcuTELbSGtIxr9LC2nIlhUrhDimQtfL7FvUw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB5959 X-OriginatorOrg: intel.com X-Rspamd-Queue-Id: 01C954000A X-Stat-Signature: fz7jzpaxtoy3rqerco3fe8bjggpwnq6e X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1763510502-842110 X-HE-Meta: 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 FdgJy2Mb 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > From: Alex Williamson > Sent: Wednesday, November 19, 2025 4:11 AM >=20 > On Tue, 18 Nov 2025 07:18:36 +0000 > "Tian, Kevin" wrote: >=20 > > > From: Leon Romanovsky > > > Sent: Tuesday, November 11, 2025 5:58 PM > > > > > > From: Leon Romanovsky > > > > not required with only your own s-o-b > > > > > @@ -2090,6 +2092,9 @@ int vfio_pci_core_init_dev(struct vfio_device > > > *core_vdev) > > > INIT_LIST_HEAD(&vdev->dummy_resources_list); > > > INIT_LIST_HEAD(&vdev->ioeventfds_list); > > > INIT_LIST_HEAD(&vdev->sriov_pfs_item); > > > + ret =3D pcim_p2pdma_init(vdev->pdev); > > > + if (ret && ret !=3D -EOPNOTSUPP) > > > + return ret; > > > > Reading the commit msg seems -EOPNOTSUPP is only returned for fake > > PCI devices, otherwise it implies regression. better add a comment for = it? >=20 > I think the commit log is saying that if a device comes along that > can't support this, we'd quirk the init path to return -EOPNOTSUPP for > that particular device here. This path is currently used when > !CONFIG_PCI_P2PDMA to make this error non-fatal to the device init. >=20 > I don't see a regression if such a device comes along and while we > could survive other types of failures by disabling p2pdma here, I think > all such cases are sufficient rare out of memory cases to consider them > catastrophic. Thanks, >=20 ah yes. I read it inaccurately.