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Tsirkin" , Alejandro Jimenez , Ani Sinha , "Eduardo Habkost" , Igor Mammedov , "Marcel Apfelbaum" , Paolo Bonzini , Richard Henderson , Sairaj Kodilkar , CC: , Subject: [PATCH 3/8] amd_iommu: Return empty efr for stub call Date: Mon, 11 May 2026 18:09:32 +0530 Message-ID: <20260511123937.32743-4-sarunkod@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260511123937.32743-1-sarunkod@amd.com> References: <20260511123937.32743-1-sarunkod@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B4:EE_|LV8PR12MB9269:EE_ X-MS-Office365-Filtering-Correlation-Id: a3724ad5-2624-4f5c-9503-08deaf5aa196 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|36860700016|376014|82310400026|11063799003|56012099003|921020|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(36860700016)(376014)(82310400026)(11063799003)(56012099003)(921020)(18002099003)(22082099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: PB7aOaeabw69cBOrQqhl+kRpu/TSSoYsStNR7kFh8xub18pWmvN07b5p850bS3AwfdRTgcEdqNzkPZjrf6iKh3wwk4jmQ+q3TS/aaU8TlKb7Krbfw6ztwNCWAjLzId4mmOWkykyrR4fJyrocrVbZequ5vBQ3sJtpc1jTLru6+1eXNOACHWLVWwYTDruvgEfK+pPHNm8OY99sFEKfgmmNun2sDNQYEmhpoYaUBWkV/t68ri2UYHTeF04pRl/RsJIAtQScNJV1+rtV9T+jEZjmR9rEe259NmuenIxEgedGBx1EN9Q+283Cyay5/sQv044z8WJRVc3xSoPXZQRDr2BQwtVHM2rwH/nsM8QiQ6dADBhvh34BW475QCchQHROhvSK+6c3uJv/m27FdIVUCtX/QJtM+3LoScHDKT19wpBt1gdE3Ppd0OQDpm/mi8FKXYOW X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 May 2026 12:41:32.5452 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a3724ad5-2624-4f5c-9503-08deaf5aa196 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397B4.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9269 Received-SPF: permerror client-ip=2a01:111:f403:c10d::3; envelope-from=Sairaj.K@amd.com; helo=SN4PR0501CU005.outbound.protection.outlook.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The stub call should not return normal EFR as it is used as place holder when actual AMD IOMMU calls are not available. Hence return 0. Signed-off-by: Sairaj Kodilkar Reviewed-by: Vasant Hegde --- hw/i386/amd_iommu-stub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/amd_iommu-stub.c b/hw/i386/amd_iommu-stub.c index d62a3732e60f..fb36dee903ee 100644 --- a/hw/i386/amd_iommu-stub.c +++ b/hw/i386/amd_iommu-stub.c @@ -22,5 +22,5 @@ uint64_t amdvi_extended_feature_register(AMDVIState *s) { - return AMDVI_DEFAULT_EXT_FEATURES; + return 0; } -- 2.34.1