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Sampat" To: , , , CC: , , , , , , , , , , , , , , Subject: [PATCH v8 08/10] KVM: selftests: Force GUEST_MEMFD flag for SNP VM type Date: Wed, 5 Mar 2025 16:59:58 -0600 Message-ID: <20250305230000.231025-9-prsampat@amd.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250305230000.231025-1-prsampat@amd.com> References: <20250305230000.231025-1-prsampat@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000F0DF:EE_|DM6PR12MB4467:EE_ X-MS-Office365-Filtering-Correlation-Id: 4b35c14d-64d6-48d9-e6cd-08dd5c39c377 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|376014|82310400026|7416014; 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:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(376014)(82310400026)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2025 23:02:11.8315 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4b35c14d-64d6-48d9-e6cd-08dd5c39c377 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0DF.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4467 Force the SEV-SNP VM type to set the KVM_MEM_GUEST_MEMFD flag for the creation of private memslots. Signed-off-by: Pratik R. Sampat --- tools/testing/selftests/kvm/lib/kvm_util.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 33fefeb3ca44..089488e2eaf6 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -413,14 +413,17 @@ struct kvm_vm *__vm_create(struct vm_shape shape, uint32_t nr_runnable_vcpus, nr_extra_pages); struct userspace_mem_region *slot0; struct kvm_vm *vm; - int i; + int i, flags = 0; pr_debug("%s: mode='%s' type='%d', pages='%ld'\n", __func__, vm_guest_mode_string(shape.mode), shape.type, nr_pages); vm = ____vm_create(shape); - vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, 0, 0, nr_pages, 0); + if (shape.type == KVM_X86_SNP_VM) + flags |= KVM_MEM_GUEST_MEMFD; + + vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, 0, 0, nr_pages, flags); for (i = 0; i < NR_MEM_REGIONS; i++) vm->memslots[i] = 0;