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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BN2PEPF00004FBF.mail.protection.outlook.com (10.167.243.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.17 via Frontend Transport; Fri, 10 Apr 2026 14:45:24 +0000 Received: from fdavid-dev.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Fri, 10 Apr 2026 09:45:23 -0500 From: David Francis To: CC: , David Francis Subject: [PATCH 0/3] Patches to allow amdgpu restore without kfd file. Date: Fri, 10 Apr 2026 10:45:06 -0400 Message-ID: <20260410144509.738903-1-David.Francis@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: criu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: BN2PEPF00004FBF:EE_|DSSPR12MB999238:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c86f2a6-a775-4018-751f-08de970fccae X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700016|56012099003|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)(82310400026)(1800799024)(36860700016)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: sL9i3e96oMo5C+w/DRLNVg9WtzPAOv46627t2ueS2dZEprjmm4GNyH42zh8/Z4vnAt6KqS3lJ2C6ys6IGSzEagFN8sn5FFJdpa+I5JWJgqyE+aFmom/iosRcYa6wcMzKQe3tFijk415rYHSkW9r4XdASpdYTmKSaHLffbE/thH46PFBSRGIDOXLNN2PN0eSuBKwL4/m7H6OIJFF8xmtpnFOYKVmeRmSphstcIIPQ2F1dGdGj5bRWkAfaV0ii2YMLsZC2lbXEFI4h+djA+WGI2uXfC8NgIa9mF7+SxyFOXCXn9CVsbjlDXQFyHDJjq2agNeTisQ4t/v5XWgWPYKIAq2Qusp6i1p8pQSvSUjf4SBFLrmM63NLm1EmJJzzRq2iASIg1QKouYF+zd8OfgkqxbrG7uLDQkjEG0mJSkS/vF5Lm4fP/DJnUKutCV7keBwVx X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Apr 2026 14:45:24.7041 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7c86f2a6-a775-4018-751f-08de970fccae 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: BN2PEPF00004FBF.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DSSPR12MB999238 These patches allow processes that have renderD device files open but not kfd device files to dump / restore. Mostly a proof-of-concept / baseline for future work since there's currently no way for such a process to dump / restore its queues. David Francis (3): plugin/amdgpu: Add plugin to inventory even if there are no vmas plugin/amdgpu: Add topology dump file plugins/amdgpu: Make next_fd without kfd plugins/amdgpu/amdgpu_plugin.c | 113 ++++++++++++++++++++++++++-- plugins/amdgpu/amdgpu_plugin_drm.c | 64 ++++++++++++++-- plugins/amdgpu/amdgpu_plugin_util.h | 9 +++ plugins/amdgpu/criu-amdgpu.proto | 5 ++ 4 files changed, 180 insertions(+), 11 deletions(-) -- 2.34.1