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Sampat" To: , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH v7 08/10] KVM: selftests: Force GUEST_MEMFD flag for SNP VM type Date: Fri, 21 Feb 2025 15:01:58 -0600 Message-ID: <20250221210200.244405-9-prsampat@amd.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250221210200.244405-1-prsampat@amd.com> References: <20250221210200.244405-1-prsampat@amd.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: BL02EPF00021F6E:EE_|DM6PR12MB4169:EE_ X-MS-Office365-Filtering-Correlation-Id: 3c4ce0fe-6f3b-4c77-30cb-08dd52bb42c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|7416014|1800799024|82310400026; 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:ErrorRetry;CAT:NONE;SFS:(13230040)(36860700013)(376014)(7416014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2025 21:03:58.7950 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3c4ce0fe-6f3b-4c77-30cb-08dd52bb42c0 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: BL02EPF00021F6E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4169 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 --- v6..v7: * No change --- 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;