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Sat, 22 Aug 2026 11:16:35 -0700 Date: Sat, 22 Aug 2026 11:16:35 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , , , , , , , , , Subject: Re: [PATCH v9 09/12] iommu/arm-smmu-v3-kdump: Implement is_attach_deferred() Message-ID: References: <178735412602.18212.5709943748630447883.b4-review@b4> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <178735412602.18212.5709943748630447883.b4-review@b4> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF00036F3E:EE_|DM6PR12MB4139:EE_ X-MS-Office365-Filtering-Correlation-Id: 8af09dcd-8c3e-43fb-9aee-08df007987b1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|376014|82310400026|1800799024|36860700016|18002099003|22082099003|56012099006|4143699003|6133799003|11063799006|10067099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: g6za3Yp6XHSz38GuSkvg5CbZiK/MmGxyAljUikpQ8RwuVWJM4/PA11LOv2MJhkeRmvNjoUR2wHRaO0SL0Z4/mzkyGsh0v38kY7R0U+AQMeVkLNGR+sEnUpBiwuVWvR4eFA0uNyQWRyXBgaF/bgIPVi3HcRA1yTs+doyDWWlhDJRIREeEpKCuyZ1tQQ+7uEcBO0JKB78cYmD3Mvjo1bVm1Ql0Xh5GzIeWO9pKhr+wFoyLAjg9mk9j6N9ciZ+8hdAF+ZDvE/BwLDbc1boNiKPEf/NqW91Bgz1z5ULjGAPvcoeC0tTvMhvL3VNKKsLk2HI/8thkc1FBiyuQuVnXfdXvy6xQklWI7OZ6lBdPC8kXxheb7IrwDVYEYPY0ghm25wab6SKEJtl4mHmCbSEyfMchnx5a3sjBdBpkOutbNl40UTg9i9xZRMuyaASo43JHRjiO X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Aug 2026 18:16:47.6067 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8af09dcd-8c3e-43fb-9aee-08df007987b1 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: SN1PEPF00036F3E.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4139 On Fri, Aug 21, 2026 at 08:15:26PM -0300, Jason Gunthorpe wrote: > > @@ -1276,6 +1292,12 @@ arm_smmu_kdump_adopt_deferred_l2_strtab(struct arm_smmu_device *smmu, u32 sid, > > { > > return -EOPNOTSUPP; > > } > > + > > +static inline bool > > +arm_smmu_kdump_is_attach_deferred(struct arm_smmu_master *master) > > +{ > > + return false; > > +} > > > ? This is for !CONFIG_CRASH_DUMP case. I think we need it. Thanks Nicolin