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Sampat" To: , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH v6 7/9] KVM: selftests: Force GUEST_MEMFD flag for SNP VM type Date: Mon, 3 Feb 2025 16:32:03 -0600 Message-ID: <20250203223205.36121-8-prsampat@amd.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250203223205.36121-1-prsampat@amd.com> References: <20250203223205.36121-1-prsampat@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA4D:EE_|CYYPR12MB8750:EE_ X-MS-Office365-Filtering-Correlation-Id: d94e016b-fefd-41f1-0e6f-08dd44a2d41d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|7416014|1800799024|36860700013|376014; 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)(82310400026)(7416014)(1800799024)(36860700013)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Feb 2025 22:33:48.9761 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d94e016b-fefd-41f1-0e6f-08dd44a2d41d 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: SN1PEPF0002BA4D.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR12MB8750 Force the SEV-SNP VM type to set the KVM_MEM_GUEST_MEMFD flag for the creation of private memslots. Tested-by: Srikanth Aithal Signed-off-by: Pratik R. Sampat --- v5..v6: * Collected tags from Srikanth. --- 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;