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b=S1i4z70eQRoXkLo0rT7YqWA7PBB1vk63P1QhXr1I2EnYmVye5TNs/P+hEDOO2BJ9YoHWrYVuHC+SEpxbLDZNqhy5rjZ+fRI81QfyqPikC4EpzhG+RRBRNqbTC3GDqNiX49QTIVJDsxEMR49DMC6rMcLwFDWlJ4+8WScKmi0x2vw= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from DU0PR08MB9203.eurprd08.prod.outlook.com (2603:10a6:10:417::12) by AS8PR08MB6486.eurprd08.prod.outlook.com (2603:10a6:20b:33c::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.25; Wed, 6 May 2026 09:03:06 +0000 Received: from DU0PR08MB9203.eurprd08.prod.outlook.com ([fe80::f1e:73f2:57df:4047]) by DU0PR08MB9203.eurprd08.prod.outlook.com ([fe80::f1e:73f2:57df:4047%2]) with mapi id 15.20.9891.008; Wed, 6 May 2026 09:03:06 +0000 Message-ID: <55d8222f-4c87-4c80-90fb-86c3d6c6638d@arm.com> Date: Wed, 6 May 2026 14:32:57 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 20/54] selftests/mm: va_high_addr_switch: use kselftest framework To: Mike Rapoport , Andrew Morton , David Hildenbrand Cc: Baolin Wang , Barry Song , Dev Jain , Donet Tom , Jason Gunthorpe , John Hubbard , "Liam R. Howlett" , Lance Yang , Leon Romanovsky , Lorenzo Stoakes , Luiz Capitulino , Mark Brown , Michal Hocko , Nico Pache , Peter Xu , Ryan Roberts , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , Zi Yan , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org References: <20260428204240.1924129-1-rppt@kernel.org> <20260428204240.1924129-21-rppt@kernel.org> From: Sarthak Sharma Content-Language: en-US In-Reply-To: <20260428204240.1924129-21-rppt@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MA5P287CA0047.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:175::9) To DU0PR08MB9203.eurprd08.prod.outlook.com (2603:10a6:10:417::12) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DU0PR08MB9203:EE_|AS8PR08MB6486:EE_|DU6PEPF0000B622:EE_|AMBPR08MB11589:EE_ X-MS-Office365-Filtering-Correlation-Id: 5725ff9e-9618-43ac-87ff-08deab4e714f x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|366016|7416014|376014|1800799024|18002099003|56012099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 3LZs7zkHGThnebw/6z5YZQjeAWSiLMnK/VyGoCV57V40wXyNUi1LiLx5e6XLC0Bintu/k5HDdSMeBahqP7gqW09L7EBZbSNWDxsqWpgglOQ8LwB9zi0Vdbg/gfajAI3bnX3oKaFYdhPgnseH0XLDpK6cEYfb5IXSi5HXk+M6BbXAzWj5JsfGdvS2oefCipzk5EQapCoqq43E9IJssH4q1CfAQ75chB3/T/RshZC5/hMRNv4bUDQXbXf7JEP08yXiO3wP3ru7477DOeSzdiRwl3JrbpUjWZG1LEGQ7TJnHJaHrVE8HnbRFcEkMvE3mk9nR0lzI+Fgxt/3dn3mn4t6b+q18l4OFtzSN+mEmPE4JOJmGRUMZFLPjsrsHBIrOz9OOjtX5+9UAuABHUSqXJrvvbL6czoSqrnmdl0FoPmdWe2xte7wkggWuZ0wDSMx/MmM X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2026 09:04:12.9037 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5725ff9e-9618-43ac-87ff-08deab4e714f X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: DU6PEPF0000B622.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AMBPR08MB11589 On 4/29/26 2:12 AM, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Convert va_high_addr_switch test to use kselftest framework for > reporting and tracking successful and failing runs. > > Signed-off-by: Mike Rapoport (Microsoft) I have run this test before and after applying the patch. It correctly converts the test output into KTAP format with no change in results. Tested-by: Sarthak Sharma > --- > .../selftests/mm/va_high_addr_switch.c | 41 +++++++++---------- > 1 file changed, 20 insertions(+), 21 deletions(-) > > diff --git a/tools/testing/selftests/mm/va_high_addr_switch.c b/tools/testing/selftests/mm/va_high_addr_switch.c > index 51401e081b20..5d38735ea60e 100644 > --- a/tools/testing/selftests/mm/va_high_addr_switch.c > +++ b/tools/testing/selftests/mm/va_high_addr_switch.c > @@ -257,40 +257,35 @@ void testcases_init(void) > switch_hint = addr_switch_hint; > } > > -static int run_test(struct testcase *test, int count) > +static void run_test(struct testcase *test, int count) > { > void *p; > - int i, ret = KSFT_PASS; > + int i; > > for (i = 0; i < count; i++) { > struct testcase *t = test + i; > > p = mmap(t->addr, t->size, PROT_READ | PROT_WRITE, t->flags, -1, 0); > - > - printf("%s: %p - ", t->msg, p); > - > if (p == MAP_FAILED) { > - printf("FAILED\n"); > - ret = KSFT_FAIL; > + ksft_perror("MAP_FAILED"); > + ksft_test_result_fail("%s\n", t->msg); > continue; > } > > if (t->low_addr_required && p >= (void *)(switch_hint)) { > - printf("FAILED\n"); > - ret = KSFT_FAIL; > + ksft_print_msg("%p not below switch hint\n", p); > + ksft_test_result_fail("%s\n", t->msg); > } else { > /* > * Do a dereference of the address returned so that we catch > * bugs in page fault handling > */ > memset(p, 0, t->size); > - printf("OK\n"); > + ksft_test_result_pass("%s\n", t->msg); > } > if (!t->keep_mapped) > munmap(p, t->size); > } > - > - return ret; > } > > #ifdef __aarch64__ > @@ -322,19 +317,23 @@ static int supported_arch(void) > > int main(int argc, char **argv) > { > - int ret, hugetlb_ret = KSFT_PASS; > + bool run_hugetlb = false; > + > + ksft_print_header(); > > if (!supported_arch()) > - return KSFT_SKIP; > + ksft_exit_skip("Architecture not supported\n"); > + > + if (argc == 2 && !strcmp(argv[1], "--run-hugetlb")) > + run_hugetlb = true; > > testcases_init(); > > - ret = run_test(testcases, sz_testcases); > - if (argc == 2 && !strcmp(argv[1], "--run-hugetlb")) > - hugetlb_ret = run_test(hugetlb_testcases, sz_hugetlb_testcases); > + ksft_set_plan(sz_testcases + (run_hugetlb ? sz_hugetlb_testcases : 0)); > + > + run_test(testcases, sz_testcases); > + if (run_hugetlb) > + run_test(hugetlb_testcases, sz_hugetlb_testcases); > > - if (ret == KSFT_PASS && hugetlb_ret == KSFT_PASS) > - return KSFT_PASS; > - else > - return KSFT_FAIL; > + ksft_finished(); > }