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De Francesco" , , , Linux Memory Management List , Andrew Morton Subject: Re: [linux-next:master 5475/12409] s390x-linux-ld: kernel/kexec_core.c:822: undefined reference to `__tsan_memcpy' Message-ID: References: <202210050509.cZtMcazl-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <202210050509.cZtMcazl-lkp@intel.com> X-ClientProxiedBy: SJ0PR05CA0064.namprd05.prod.outlook.com (2603:10b6:a03:332::9) To SA1PR11MB6733.namprd11.prod.outlook.com (2603:10b6:806:25c::17) Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR11MB6733:EE_|SN7PR11MB6945:EE_ X-MS-Office365-Filtering-Correlation-Id: 09ce5c5d-60b4-4c35-4dc4-08daa65ecb67 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA1PR11MB6733.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(7916004)(136003)(346002)(366004)(376002)(396003)(39860400002)(451199015)(44832011)(478600001)(41300700001)(6862004)(8936002)(5660300002)(6636002)(316002)(54906003)(66476007)(66556008)(66946007)(4326008)(8676002)(6486002)(966005)(38100700002)(82960400001)(186003)(6512007)(6506007)(26005)(6666004)(86362001)(9686003)(83380400001)(33716001)(2906002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3fFN2bRdBdGLCaJ/kvriMWGmbFwEXpL88cMWlXanlQ/TkxCIJXlzXznV/rF/?= =?us-ascii?Q?1Vof9gs9jI6PVKk6Ak4dJTUsPnMpBAxKBwqRqld5FcCOLCr7MuC8zxE5aDhU?= =?us-ascii?Q?kh5Ay5UMocMJzQfqPxe6LBWJQTQTpPSuqnn0zjIDvaI/BScOdnX//IXA1f40?= =?us-ascii?Q?zXVQ2T/x+/tW0st9aNqmZSJQy6OiOfo35IULehVEMQetDrMeP5LPl+Ns6peV?= =?us-ascii?Q?oVhLlhnjc1spfqVfSN1FUnz+GbRWO4dlCOpOizAHrZJxNLJ2+AeMfsikuMni?= =?us-ascii?Q?15X+oy9dSfmamrngqucaoAe0H6XdLD47Fgte2R+ZVcjVYUIC69aJ4PGaJg9x?= =?us-ascii?Q?awu1rgHLTRDRF5zw5+RdGf27WcVPzAMJ9AqG04A0tRgapg4Wv0WmndqtqyWR?= =?us-ascii?Q?ZOWJOoX/VWNtPQvC2bbSZ2b5USqiwJMlnkNEcQCiRHG3+K13IKotbHENqpr4?= =?us-ascii?Q?HhIvJPgX8be/TKGYpsNlv95svY7YGW3zB5Hc+4xMrz1nswfdwbny6Q1wtPBc?= =?us-ascii?Q?XBT/iGA6qpyR+M/0kpWWBpG85BfcyaYwQkcfI4FC2iO9ibHXtNPe7DnWcMm1?= =?us-ascii?Q?9K1yn1el7R94HJcXpito+P2/sOtuCJhRnsfwBOqPNAPm2Kg3+v5/+TZsIeg5?= =?us-ascii?Q?yAk5tb7cX75RdZpNrHfhZ5rRHXiAtsNbt+9Ai/q9OMhotCQSQoBiY2kBsGr2?= =?us-ascii?Q?Hg2R85Aiz8J+2FF8W4Ryxog+AXy3Mn57aFpOV7qnXmyvxxYWBxCsa0oFLNzU?= =?us-ascii?Q?MMvD59y7kRTbsjO2n5OZeaxjh+jM9gY+ronz5MDOfxC5+XTEnecZoSVHqDQ/?= =?us-ascii?Q?gyL3TXov3WSWKAVepI3pF2HU95g3ZOZVD1ZGRYFGtTXPnKuZ/kHU0Yso01Um?= =?us-ascii?Q?6QmA6h7QZz71Z/rmwOJoo9ADNy76VlFXQ+wIjYhn+ZCZy9+CUtI9JY4l3HLu?= =?us-ascii?Q?zwporu/fGwbFWmiu7nWMf3LCgF9DCpBhu/LPuFcnjp0zHtBJiQp8ukr+LyOC?= =?us-ascii?Q?vvzhsWC8qjalAI5/LGy85NImL8dBWcgvOL0Z2J6j8ExoEyAl6tyDakvsLHLQ?= =?us-ascii?Q?yfiIacDXWsPaXcMjxK+Qa8+tqfnUOABSqr2M2i556qo7HNg9YwQLLutJPP8D?= =?us-ascii?Q?gl3lqu/CkqQ302udY0QMHAgCBO/JVVqlyxiMicfLsxXoGysu3D5uzlOlKw85?= =?us-ascii?Q?DJXxHB2lZ8fT4nO1EwWydW68cRH7TrnFw+G3w4ZDvkmno6+tPCyaE20LX8Kx?= =?us-ascii?Q?YAoCi8y73/b1zX9kNEyw/Mz61m5cEPb/Nu/NDOkh4bqL9GXb44F3+NYJrubX?= =?us-ascii?Q?rr5zeMNzhs1mkfW+iInRAUM0QtS/wEGR0jd50DZg6GeDqNUpMR2MB9KqF2RL?= =?us-ascii?Q?o1YpJaQ2jHfpKBDG1jtVXTnx3mdh6i9bDzWIumCly7rx3j1Jlq2lNqyvwDqa?= =?us-ascii?Q?2lGROuzC0Cd0b9G9WIT9RItwJGfZh7tJfg5UAOT3w6G5fJTXFa0+Yx8CTJPn?= =?us-ascii?Q?j50u94XV7MQ00sXUeOoRc6fLp9/Jhu1JAyIFKzveP+T/P/E2aJYvWcxhtuap?= =?us-ascii?Q?CdQqW9Ybh5okwTfAISPsyihX9M5oxDavj3BRzzYq?= X-MS-Exchange-CrossTenant-Network-Message-Id: 09ce5c5d-60b4-4c35-4dc4-08daa65ecb67 X-MS-Exchange-CrossTenant-AuthSource: SA1PR11MB6733.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2022 23:18:49.7746 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: v8R4X107gb3y+f/TqJ29PCI6FCLCSREzkd4lLAN1EX/J0frIMxwON/H2C8mEe0f6O56Jt5+UAtzNwb/pxMXnpA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB6945 X-OriginatorOrg: intel.com On Wed, Oct 05, 2022 at 05:05:12AM +0800, kernel test robot wrote: > Hi Fabio, > > FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. I don't think this is relevant. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 4d80748d16c82a9c2c4ea5feea96e476de3cd876 > commit: 948084f0f6959f602f89f679522b706a72da0285 [5475/12409] kexec: replace kmap() with kmap_local_page() > config: s390-randconfig-r035-20221003 > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install s390 cross compiling tool for clang build > # apt-get install binutils-s390x-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=948084f0f6959f602f89f679522b706a72da0285 > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 948084f0f6959f602f89f679522b706a72da0285 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > > Note: the linux-next/master HEAD 4d80748d16c82a9c2c4ea5feea96e476de3cd876 builds fine. > It may have been fixed somewhere. > > All errors (new ones prefixed by >>): > [snip] > s390x-linux-ld: kernel/kexec_core.o: in function `kimage_load_normal_segment': > kernel/kexec_core.c:814: undefined reference to `__tsan_memset' > >> s390x-linux-ld: kernel/kexec_core.c:822: undefined reference to `__tsan_memcpy' > s390x-linux-ld: kernel/kexec_core.o: in function `_copy_from_user': I don't see __tsan_memcpy anywhere in the current linux-next tree? Ira