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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000E9D5.mail.protection.outlook.com (10.167.241.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6631.22 via Frontend Transport; Fri, 28 Jul 2023 06:01:38 +0000 Received: from BLR-PF38F8CF.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 28 Jul 2023 01:01:33 -0500 From: Ayush Jain To: , , , , , CC: , , , , , Ayush Jain Subject: [PATCH 1/2] selftests: mm: ksm: Fix incorrect evaluation of parameter Date: Fri, 28 Jul 2023 11:31:08 +0530 Message-ID: <20230728060109.4403-1-ayush.jain3@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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: CY4PEPF0000E9D5:EE_|MW4PR12MB7431:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a035107-a299-46bf-7543-08db8f301b53 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2023 06:01:38.1619 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3a035107-a299-46bf-7543-08db8f301b53 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: CY4PEPF0000E9D5.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7431 X-Rspamd-Queue-Id: 466D61A0008 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: kmnog5qjhkp9a8jo9jxhumobzb3445a9 X-HE-Tag: 1690524101-74699 X-HE-Meta: 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 zS8TbrD7 qBr7uQ2uX069iCieX3w+68X9/KNzunXeTTiyZ0GfPSp+AZeBaWOoXbGxhI9/5pmnOVe1vaRpbCcZ69qbkEThFs1qB8YqAP//96ahNnWWTSJoN4M6pALS7cwDnhZmhVSGJPR3eXa0c0TvYYfboMK0vaYej8iVdaToC/ue8HQNxsb13cabA2PaQHcJw0F5UbNXH7J65DyEbnYgtbeyfEpB4dFo9vmroYar5X+x5YsNniwR/jVVIfrkBJz5lRK5D0GG814RuDGE7FcX17dWU93WiaroFdqPFaBuHOmxt+l8F0jB8bbUsJ7bZqstDbQWnpEChoD1xBqEnO5xhMclAjCWGeuTZSpqAwfYtyU1U+1vs5mHajFBVEB4fET5Y7g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.009411, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: A missing break in kms_tests leads to kselftest hang when the parameter -s is used. In current code flow because of missing break in -s, -t parses args spilled from -s and as -t accepts only valid values as 0,1 so any arg in -s >1 or <0, gets in ksm_test failure This went undetected since, before the addition of option -t, the next case -M would immediately break out of the switch statement but that is no longer the case Add the missing break statement. ----Before---- ./ksm_tests -H -s 100 Invalid merge type ----After---- ./ksm_tests -H -s 100 Number of normal pages: 0 Number of huge pages: 50 Total size: 100 MiB Total time: 0.401732682 s Average speed: 248.922 MiB/s Fixes: 9e7cb94ca218 ("selftests: vm: add KSM merging time test") Signed-off-by: Ayush Jain Reviewed-by: David Hildenbrand --- tools/testing/selftests/mm/ksm_tests.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/mm/ksm_tests.c b/tools/testing/selftests/mm/ksm_tests.c index 435acebdc325..380b691d3eb9 100644 --- a/tools/testing/selftests/mm/ksm_tests.c +++ b/tools/testing/selftests/mm/ksm_tests.c @@ -831,6 +831,7 @@ int main(int argc, char *argv[]) printf("Size must be greater than 0\n"); return KSFT_FAIL; } + break; case 't': { int tmp = atoi(optarg);