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Tsirkin" , Alejandro Jimenez , Ani Sinha , "Igor Mammedov" , Paolo Bonzini , "Richard Henderson" , Sairaj Kodilkar , CC: , Subject: [PATCH v2 1/7] amd_iommu: Return empty efr for stub call Date: Fri, 7 Aug 2026 11:42:44 +0530 Message-ID: <20260807061250.27739-2-sarunkod@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260807061250.27739-1-sarunkod@amd.com> References: <20260807061250.27739-1-sarunkod@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001CD:EE_|SJ0PR12MB5633:EE_ X-MS-Office365-Filtering-Correlation-Id: acc1a0e9-c659-4230-f6e1-08def44b66ba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|23010399003|36860700016|1800799024|82310400026|10067099003|11063799006|56012099006|22082099003|18002099003; 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)(376014)(23010399003)(36860700016)(1800799024)(82310400026)(10067099003)(11063799006)(56012099006)(22082099003)(18002099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: ANaHglmuiNmV1sTByxpRPO07jbPBgU+DlatJVK4jG5eCXAXfy7VIlIeJUiyrfVDCAetZWzEpGxy2d6yM5UQHf85mXaspvCMSUlWi4VuqtQNknyt0NmNC3kk/dJpG7af1wKoZzwMVfvru6N42pMIN+t8mlX/tY7B/Pn7LkCgdTmnjuqvz8a0w1az9y8dO/yo7EU0xyiagG6cOh+dU5lgvlSDbcYI0PcfGGx6x9mnPtJImW8jdUHTZQV6SWAFmNGpF4bllQFVofi3/a6BIqn+FcpW30vMxN2pPejpQ5xRSqNC0EMRmUYCHYL6qikyd+zpvPTMWW7rVA/YItGORvK/CwbjpN/NFWSxhR0UOpd+cTOJOJ6aKWWGlmSVGW78jnqk7f1e4UVIqAGJTwwt0kUKf+7n+lL4KzukKEONsUIdBL2f12fxxlrLzSX239lyFl26b X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2026 06:16:21.5765 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: acc1a0e9-c659-4230-f6e1-08def44b66ba 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: SJ5PEPF000001CD.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB5633 Received-SPF: permerror client-ip=2a01:111:f403:c000::1; envelope-from=Sairaj.K@amd.com; helo=BYAPR05CU005.outbound.protection.outlook.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.852, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-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: Alejandro Jimenez --- 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