From nobody Mon Feb 9 02:28:53 2026 Received: from CY4PR02CU008.outbound.protection.outlook.com (mail-westcentralusazon11021077.outbound.protection.outlook.com [40.93.199.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6544126C3B5; Mon, 12 May 2025 10:53:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.199.77 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747047212; cv=fail; b=m0gdZCeXAix7zR8VrMyxxEUqLSrXKsoa5PyRP5NDQSvmp+uAD98y5dC46PbYcGrNVUmFwc+9018UsWerkUyzmIuyHOcZe9U1nrkPdRAJuul+1icpPaZ8iKZfTUY6rUZu54GFtalDUZblv0SYhjSoPQ3jQXVCy7Me1xF6Vcbqoqc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747047212; c=relaxed/simple; bh=jh/f0pqggVcvzgdvQHFd7xHG9FTfF9S1mmbcIW6Dcsw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=pnirXWX4q5u6z0RHnThkF8PlnCBZh7Wivg1aB5ZxQviqMEIWKWmEgcURgjqvyYfFKRJnbOfEIqlE3TPv4BmWlsVpoGMw7DJsqRrgf3iNW4yvvSU5DxVFhaSWotkYdGSh9Q7E6OSNM5bcM9lVbj/KCunHQWrddL6yZUCRdfEyRpU= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=os.amperecomputing.com; spf=pass smtp.mailfrom=os.amperecomputing.com; dkim=pass (1024-bit key) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.b=fm6UxiBH; arc=fail smtp.client-ip=40.93.199.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=os.amperecomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=os.amperecomputing.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.b="fm6UxiBH" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=FUNBI6QQptOTfPkBSUtvSZYoDFi21SIluHOBXMcMHDU4rB/WkcEepoqBBxqCaDcZOnvAK/hwKvL42nwj3RdT8ei7TNFaCMnneAzPz/VErsQoytkca2VJHqsntMcEAv98tEGlJV5yaPLHDDsndjv6als3/QaQTYm5S0uGGkRN7ewUFCy7OTAl/nEa9+iJPAeQwHgTXPIy+41KiRMYuJVuVvDEaFSDMLQZJP4BXBaMT8RGSrPACa6LE3gfU/gEzZHsOmA/ZFVZPPCUlgRLMktc3iqdBhqG6btqZjKFmaWMBKYVXCwrj/vxNXWL9/+jh8+P+tjPdtfPdxiI5BpuVJANhA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=1HDIk1ETvLD0KpSPCCnfbrZz2cnO8BCYDGkUVPam3Zo=; b=CTm5fU0aK+D0Uk4hkWuQ1+9TVydX7Ge5nGMvDJrU3qrVzqf1TdZWb68TMWoPvxZOLpX+ymSP4ngLF56ZCQNOIkmgzOcCEe1pGqi1XE4ULQubYZLAk5WsDsgN2NGQyVGCyWm06D5kHhZbzfs0VltiVwnM5RlbLAmp1eLjFq7LfeEA/Chv3HvBIpYAamrkfr4JGlHtZQHUDO73JuocsfGZ1sQIkQ+SMv/5tbIHlNfE//eAcRavSYaUygQbZVI09wce29d+FWTiqDdE+ZUcv3nzKsD5PHDqcaBDkFryDfEyA6fh86AvRKgHUsIcueYjCNgVzxEB0Zck0fmCF7t2gkJXYg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=os.amperecomputing.com; dmarc=pass action=none header.from=os.amperecomputing.com; dkim=pass header.d=os.amperecomputing.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1HDIk1ETvLD0KpSPCCnfbrZz2cnO8BCYDGkUVPam3Zo=; b=fm6UxiBHQFyEs8pJwrHmnaWvTZfZtrfFrEuliCG7/rbi7EjTbjzdceoRvl8jYkZyWgnUbDnfmxpPunblKIt09qD9IJ0WgMum8opvNAt7FnN2PRgn16tRenz5MZXtd0miNZfktrzVpChUCGuwZaJpmpKzm8jsD3i/ekGCtpDGBuw= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=os.amperecomputing.com; Received: from SJ2PR01MB8101.prod.exchangelabs.com (2603:10b6:a03:4f6::10) by CH0PR01MB6907.prod.exchangelabs.com (2603:10b6:610:104::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8722.28; Mon, 12 May 2025 10:53:22 +0000 Received: from SJ2PR01MB8101.prod.exchangelabs.com ([fe80::292:6d9c:eb9a:95c9]) by SJ2PR01MB8101.prod.exchangelabs.com ([fe80::292:6d9c:eb9a:95c9%6]) with mapi id 15.20.8722.027; Mon, 12 May 2025 10:53:22 +0000 From: Ganapatrao Kulkarni To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, seanjc@google.com, darren@os.amperecomputing.com, gankulkarni@os.amperecomputing.com Subject: [RFC PATCH v2 9/9] KVM: arm64: nv: selftests: Enable page_fault_test test to run in vEL2 Date: Mon, 12 May 2025 03:52:51 -0700 Message-ID: <20250512105251.577874-10-gankulkarni@os.amperecomputing.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250512105251.577874-1-gankulkarni@os.amperecomputing.com> References: <20250512105251.577874-1-gankulkarni@os.amperecomputing.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: CY8PR19CA0043.namprd19.prod.outlook.com (2603:10b6:930:6::14) To SJ2PR01MB8101.prod.exchangelabs.com (2603:10b6:a03:4f6::10) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR01MB8101:EE_|CH0PR01MB6907:EE_ X-MS-Office365-Filtering-Correlation-Id: 6069b83f-e10c-43a5-7b15-08dd914336e0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|7416014|366016|1800799024|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?I8vC6caMhyCZTu5fn7rjwxQnNp+8xMeEGe2qiW79pjc1mZCCE9yeUGINJ9NH?= =?us-ascii?Q?0H4SFoz6yveSK+SN7fQmZSYJeloJhqYi7SmUs8w2M5/8G9pi06TJRx7t0oio?= =?us-ascii?Q?MD8F6zfE1KFmSl1a3CsjxvrppDIiJzkMeS/94G0imUU5J1EV0F4fvjnMGi7X?= =?us-ascii?Q?eF4vHwuSxCJWBOsst81ULHn9w9Ubzbhq4FfZ4f/Gl9JVZiWOIyjX/DkzUOwk?= =?us-ascii?Q?ZlhDTh1hvAQ357Pnlc5VTWQGqQoatlf86jTZHUlSfychwZC7OJDA0srvPcr4?= =?us-ascii?Q?LyO2QBLwtqqGQEXlDF2RpBzXEQe4IARqIM7GTMByGfizs2k2KwbkfJm+CuLy?= =?us-ascii?Q?Srwq4jcL2tSFyaEWkgjp82CWfXkqql1wnopMdWoJx4qbj4XU4fds5+TAV64X?= =?us-ascii?Q?aDrh0dQgxxnqlHEL0ehlz5+5CEtW52cnoNXMM1OXqfe05VNq1LjB/MoX72lk?= =?us-ascii?Q?rMwK/2IiWO6XoImrSQYkKv9xW/6f/nfunQsGU71fS3wBNaKoV6mnE16tHQBR?= =?us-ascii?Q?GcbCN2AJx6XppKWbiSUJpuThNxGYaTBXFfTaWCOuTIwZ3zXvg2sVW8aLX9Pv?= =?us-ascii?Q?AqCDq9yljWjCUmDdF1p9FsUvdU0gDXkg46A2OrqxK0GifHYk7xCBgHe544qG?= =?us-ascii?Q?oFnG8FJAylUXoWMYG6Kn9v2OqeJYC0p9QxliigmaaKAV1QRnXErQYKc7MOKP?= =?us-ascii?Q?d7J1L8zr30ny+f9bYTwtSFnZHN+bTsfFZ/iIa824oSOTR7FzxcR0LS8RVAHn?= =?us-ascii?Q?HG6BKvLDnPe2c33JsUZOrmBT2Jqgg548sC5yszT90+YVZ8qNCP8T6GdGPuBM?= =?us-ascii?Q?Cc6c6lB6EVI4cEjzyXTcr23OrSMaqUhwooqzY0E2kxoW0jLT03uaNS1oSEfV?= =?us-ascii?Q?wRRjlbeZsa2LLfsqHvjoiv7/p/g2Ba0/60UOf4jwwLNn4zDMt4WOeov2Ig9R?= =?us-ascii?Q?2gju65iRGm1EBOMNtwii2pzGLD6Q4VQQURRmhf6uHDTzgIgvoUPbBzgr+eQ7?= =?us-ascii?Q?V1gxSGxNFoZb6UlXelCadIGqzymetNPIFl1ZVK3xtxpeYkiR7Yc0nk9h8pEy?= =?us-ascii?Q?Kp+qf7ZbsHv4uBnui3eg3DREYsLMgLT0do3nQ4f4eKhiHyokDj5svh91NdaU?= =?us-ascii?Q?L3Hf8+KjX2q3Pf/eHgLff008o+I7dlrDh3NFIge8L9HVh83siKQWWVLPULmD?= =?us-ascii?Q?cIBPQjKbPyMeA/3raCKFjxhpPijXlBIQyNkxeJh2tF48X6FtS91oVOvfEOuY?= =?us-ascii?Q?LZeFIEzFE0lV5PkiRcqXE8R2/nAbzETOelZd49jO4nKKsrHqfaj+Mly26kOA?= =?us-ascii?Q?mwWEcWTHY8J1u1omhmbUEooZAWxBSLTqz/53uDRPJ84mEIoWR95W2d7EA/xs?= =?us-ascii?Q?PAgX1JAKH0VF9E8lx4iRd+qxZxoQ8rQMAfk7lAGQ8WPBWGjvwfmiK0SNpjuL?= =?us-ascii?Q?b9U36CkFJ0VtvwavrRQUGsuxdgS2Ph/3nriNxtaSwDn56WuDioebkQ=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ2PR01MB8101.prod.exchangelabs.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(52116014)(7416014)(366016)(1800799024)(38350700014);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?B1MFLfbgt+io5ILSQVmv3yII1IRafFtmZs6k0wSJrZZMRPqmSiYIwDiNnQ5d?= =?us-ascii?Q?4YMS0jjALWdkazbjzoV6oloW8lhcx7X4M6a4cmIiSy9KvuFj/8mJqlepfjU7?= =?us-ascii?Q?xbQCqV7ZcZ56X7wjYXRU7vQdgDNjHivmh36zdhTWJ/f8yFi/rgjD9as2KKVg?= =?us-ascii?Q?4nCVDVT1/xidygEfQlwW4W8WFVPeL9nhEE27U5hztKz4/MweGgbfSYZBzfbb?= =?us-ascii?Q?EZoEQRVwmdSquVyvnJWugFXkSBS61zia8ob16fz4gT8UTzXHNzfaWeg0js0m?= =?us-ascii?Q?0qIbDFx8admqHwRrh1tmwCEjKgq4PTtWNZQ99a1qhOox46k3ztClQzrkPTup?= =?us-ascii?Q?VyfakTF9CQd7RHHa03NglT8IoAKkC+rSn2LHYwZsw6flEdaUvuY+uWkmXBW+?= =?us-ascii?Q?i/ESyoKq44n5Czam8gs66WZqW6yUbZkDse6Q7SKxH9CoRf1HJTG/+cw2isSk?= =?us-ascii?Q?5/vK9EgyBZPzFR/rgZEni7Wp4lkqydkuv/Xq1N5SOd03QrTXMxaBQudNCjC4?= =?us-ascii?Q?Z3whKGdxGX5OMLb06oXn17aA5Mx4lGc8soEMPWsW/XpC++AdXfprzAH0VHU8?= =?us-ascii?Q?g7T6G/uWXA0YSbgEWGFSlRRAxKEhQpFjt1AExp/1EduLNj1aScN+h5ohn76n?= =?us-ascii?Q?Uj0Rne66SpxQ7J1nRe/DtkrffNvcfZdB2oa5w5Ksub97xZuqUrlGWURhJ5DL?= =?us-ascii?Q?vSJ+TbFiP0lktBgHhYNepZxkqjuzr+y0mOfvB5BZ0478bV1CHWC1V89t8luk?= =?us-ascii?Q?6YKSKoL9utbExau6VE59X02BqnqXuWdytWDH7+ENl+zJLKR8obIosTY9C2tI?= =?us-ascii?Q?prputDJW8NPnnjIY0voMJ0SQRtjLcyfM/WINIxKWi5E5zUt2XptYmSqmcOuO?= =?us-ascii?Q?JsKhhy/5YTsU1U9boFghS05VTshnzOAy+Y6HIg+PllRBhaGM0Hnjdjbzztti?= =?us-ascii?Q?lSnECcMgQZOggQfiQ7teJskJ0RkW2Lmx/P8TTrsJNcAcR3gsgDn6Nn14YfZH?= =?us-ascii?Q?3ROlBNRArf2LR4Yu7fZBs2gbyUKFr2dD1ZQRx0Yiya+9pONnW2ElCWRNiho7?= =?us-ascii?Q?KvbjscgqiG28g7XCTYSJKyJ+m+0cGmQJSCvb4vQSFdlo7ra88vAqadWbRnie?= =?us-ascii?Q?30gxTi6GPN6LUgoMqbxFm+1kj9G1ovACcuz47EW/TJudyvZAHgiYl6tuYSJv?= =?us-ascii?Q?kMXDeIZGrFHlWb701dTrspfDL2Zc42n1J4l443/rS7QZnr37armkD+JoRL1k?= =?us-ascii?Q?QmcW6jN5++deWvDb8Pg51b76ZKI0JDsI38NJ/H0+pVG6YyjSs1ly5EeT3JXh?= =?us-ascii?Q?OGkSEHnSr51eU2sQf51dQ+lJyUwOqBUyShCMbvby4DOnE1dVmj+fCgGZ8QwE?= =?us-ascii?Q?XLldn6Vi6uGTrgQ6K8zdsoTefk3R8Efm8VOU/bGuehpx1CGKcknMib0+RyAO?= =?us-ascii?Q?php2z340Vgs4T9X+I3bHhK818HKJStfdTWZ6Kq8OEvq4Gz1nuSjkKIdCwxXy?= =?us-ascii?Q?ZIx/fp2sG3fwtSatro5wJ3ZiX0ZOczSZAoCA5Y+kkhUx1Fr+33RqSH3u0B7r?= =?us-ascii?Q?DoMdhvjfG75Xt04kMrDTa4WrDwhr0VXkAJPQ5sCHTho0dtOY5WN8I3Fqbh97?= =?us-ascii?Q?Y9ZUkWky9SeBaj954IYjdQU9Q1JmpKD3GyeCEoFIeDO+?= X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6069b83f-e10c-43a5-7b15-08dd914336e0 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR01MB8101.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2025 10:53:22.7177 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: nQ9YmeBYobgzL8rPU3Op1G75cyygYlrTx62c+5/RwUpdfjsJXgcgSybcOuTF1RGh6kE//R0TRk60ZhGEgCY54UoH6uB2IlDg+gisY/4yKst5ihzsd3u7q2tP9wxKSuSt X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR01MB6907 Content-Type: text/plain; charset="utf-8" Extend page_fault_test to run guest code with NV enabled. NV is enabled using command line argument and it is disabled by default. Signed-off-by: Ganapatrao Kulkarni --- .../selftests/kvm/arm64/page_fault_test.c | 35 ++++++++++++++++--- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/kvm/arm64/page_fault_test.c b/tools/te= sting/selftests/kvm/arm64/page_fault_test.c index ec33a8f9c908..e3d91cb68a71 100644 --- a/tools/testing/selftests/kvm/arm64/page_fault_test.c +++ b/tools/testing/selftests/kvm/arm64/page_fault_test.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -70,6 +71,8 @@ struct test_params { struct test_desc *test_desc; }; =20 +static bool is_nested; + static inline void flush_tlb_page(uint64_t vaddr) { uint64_t page =3D vaddr >> 12; @@ -701,14 +704,27 @@ static void run_test(enum vm_guest_mode mode, void *a= rg) struct kvm_vm *vm; struct kvm_vcpu *vcpu; struct uffd_desc *pt_uffd, *data_uffd; + int gic_fd =3D -1; =20 print_test_banner(mode, p); =20 - vm =3D ____vm_create(VM_SHAPE(mode)); - setup_memslots(vm, p); + if (is_nested) { + struct kvm_vcpu_init init; + + vm =3D ____vm_create(VM_SHAPE(mode)); + setup_memslots(vm, p); + vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); + init_vcpu_nested(&init); + vcpu =3D aarch64_vcpu_add(vm, 0, &init, guest_code); + gic_fd =3D vgic_v3_setup(vm, 1, 64); + } else { + vm =3D ____vm_create(VM_SHAPE(mode)); + setup_memslots(vm, p); + vcpu =3D vm_vcpu_add(vm, 0, guest_code); + } + kvm_vm_elf_load(vm, program_invocation_name); setup_ucall(vm); - vcpu =3D vm_vcpu_add(vm, 0, guest_code); =20 setup_gva_maps(vm); =20 @@ -728,6 +744,9 @@ static void run_test(enum vm_guest_mode mode, void *arg) =20 vcpu_run_loop(vm, vcpu, test); =20 + if (is_nested) + close(gic_fd); + kvm_vm_free(vm); free_uffd(test, pt_uffd, data_uffd); =20 @@ -742,7 +761,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) static void help(char *name) { puts(""); - printf("usage: %s [-h] [-s mem-type]\n", name); + printf("usage: %s [-h] [-s mem-type] [-g nested]\n", name); puts(""); guest_modes_help(); backing_src_help("-s"); @@ -1115,7 +1134,7 @@ int main(int argc, char *argv[]) =20 src_type =3D DEFAULT_VM_MEM_SRC; =20 - while ((opt =3D getopt(argc, argv, "hm:s:")) !=3D -1) { + while ((opt =3D getopt(argc, argv, "hm:s:g:")) !=3D -1) { switch (opt) { case 'm': guest_modes_cmdline(optarg); @@ -1123,6 +1142,9 @@ int main(int argc, char *argv[]) case 's': src_type =3D parse_backing_src_type(optarg); break; + case 'g': + is_nested =3D atoi_non_negative("Is Nested", optarg); + break; case 'h': default: help(argv[0]); @@ -1130,6 +1152,9 @@ int main(int argc, char *argv[]) } } =20 + if (is_nested) + TEST_REQUIRE(kvm_has_cap(KVM_CAP_ARM_EL2)); + for_each_test_and_guest_mode(src_type); return 0; } --=20 2.48.1