Re: [kbuild-all] Re: [cel:nfsd-courteous-server 29/39] do_mounts.c:(.text+0x66): multiple definition of `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first defined here

["Chen, Rong A" <rong.a.chen@intel.com>]

On 3/15/2022 1:02 AM, dai.ngo@oracle.com wrote:
> Hi,
> 
> On 3/12/22 3:38 PM, kernel test robot wrote:
>> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux 
>> nfsd-courteous-server
>> head:   ca4d8c00bb753707519f438e5286b2349af53054
>> commit: 3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa [29/39] fs/lock: add 
>> helper locks_owner_has_blockers to check for blockers
>> config: m68k-randconfig-r031-20220313 
>> (https://download.01.org/0day-ci/archive/20220313/202203130709.dYmfXVEC-lkp@intel.com/config) 
>>
>> compiler: m68k-linux-gcc (GCC) 11.2.0
>> 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
>>          # 
>> https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git/commit/?id=3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa 
>>
>>          git remote add cel 
>> git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
>>          git fetch --no-tags cel nfsd-courteous-server
>>          git checkout 3a59c0f1c4d6cb882410bfc086ad81458d4cbcaa
>>          # save the config file to linux build tree
>>          mkdir build_dir
>>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 
>> make.cross O=build_dir ARCH=m68k SHELL=/bin/bash
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>     m68k-linux-ld: init/do_mounts.o: in function 
>> `locks_owner_has_blockers':
>>>> do_mounts.c:(.text+0x66): multiple definition of 
>>>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>>>> defined here
> 
> I looked through all the functions listed as having multiple
> definition of `locks_owner_has_blockers' such as init/main.o:main.c,
> arch/x86/kernel/head32.c, init/do_mounts_rd.c and many others.
> None of these functions has 'locks_owner_has_blockers' defined.
> I think there is a problem with the tools that detects this
> error, can you help to verify?

Hi Dai,

Thanks for the response, please ignore the report, the warning is not 
first introduced by the commit as you can see the other warnings in 
below lines:

Best Regards,
Rong Chen

> 
>>     m68k-linux-ld: init/do_mounts_rd.o: in function 
>> `locks_owner_has_blockers':
>>     do_mounts_rd.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: init/do_mounts_initrd.o: in function 
>> `locks_owner_has_blockers':
>>     do_mounts_initrd.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: init/initramfs.o: in function 
>> `locks_owner_has_blockers':
>>     initramfs.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: init/init_task.o: in function 
>> `locks_owner_has_blockers':
>>     init_task.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/irq.o: in function 
>> `locks_owner_has_blockers':
>>     irq.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/module.o: in function 
>> `locks_owner_has_blockers':
>>     module.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/process.o: in function 
>> `locks_owner_has_blockers':
>>     process.c:(.text+0xe): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/ptrace.o: in function 
>> `locks_owner_has_blockers':
>>     ptrace.c:(.text+0x182): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/setup.o: in function 
>> `locks_owner_has_blockers':
>>     setup.c:(.text+0x102): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/signal.o: in function 
>> `locks_owner_has_blockers':
>>     signal.c:(.text+0x3a0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/sys_m68k.o: in function 
>> `locks_owner_has_blockers':
>>     sys_m68k.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/time.o: in function 
>> `locks_owner_has_blockers':
>>     time.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/traps.o: in function 
>> `locks_owner_has_blockers':
>>     traps.c:(.text+0x12): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/kernel/dma.o: in function 
>> `locks_owner_has_blockers':
>>     dma.c:(.text+0x62): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/mm/init.o: in function 
>> `locks_owner_has_blockers':
>>     init.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/device.o: in function 
>> `locks_owner_has_blockers':
>>     device.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/vectors.o: in function 
>> `locks_owner_has_blockers':
>>     vectors.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/m5206.o: in function 
>> `locks_owner_has_blockers':
>>     m5206.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/reset.o: in function 
>> `locks_owner_has_blockers':
>>     reset.c:(.text+0x14): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/timers.o: in function 
>> `locks_owner_has_blockers':
>>     timers.c:(.text+0x56): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: arch/m68k/coldfire/gpio.o: in function 
>> `locks_owner_has_blockers':
>>     gpio.c:(.text+0x26): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/fork.o: in function `locks_owner_has_blockers':
>>     fork.c:(.text+0x6b4): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/exec_domain.o: in function 
>> `locks_owner_has_blockers':
>>     exec_domain.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/panic.o: in function 
>> `locks_owner_has_blockers':
>>     panic.c:(.text+0x1d6): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/cpu.o: in function `locks_owner_has_blockers':
>>     cpu.c:(.text+0x296): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/exit.o: in function `locks_owner_has_blockers':
>>     exit.c:(.text+0x948): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/softirq.o: in function 
>> `locks_owner_has_blockers':
>>     softirq.c:(.text+0x12e): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/resource.o: in function 
>> `locks_owner_has_blockers':
>>     resource.c:(.text+0x6de): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sysctl.o: in function 
>> `locks_owner_has_blockers':
>>     sysctl.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/capability.o: in function 
>> `locks_owner_has_blockers':
>>     capability.c:(.text+0x288): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/ptrace.o: in function 
>> `locks_owner_has_blockers':
>>     ptrace.c:(.text+0x474): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/signal.o: in function 
>> `locks_owner_has_blockers':
>>     signal.c:(.text+0x9cc): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sys.o: in function `locks_owner_has_blockers':
>>     sys.c:(.text+0xdd4): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/umh.o: in function `locks_owner_has_blockers':
>>     umh.c:(.text+0x47a): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/workqueue.o: in function 
>> `locks_owner_has_blockers':
>>     workqueue.c:(.text+0x1e40): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/pid.o: in function `locks_owner_has_blockers':
>>     pid.c:(.text+0xc6): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/task_work.o: in function 
>> `locks_owner_has_blockers':
>>     task_work.c:(.text+0x24): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/extable.o: in function 
>> `locks_owner_has_blockers':
>>     extable.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/params.o: in function 
>> `locks_owner_has_blockers':
>>     params.c:(.text+0x998): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/kthread.o: in function 
>> `locks_owner_has_blockers':
>>     kthread.c:(.text+0x6c0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/nsproxy.o: in function 
>> `locks_owner_has_blockers':
>>     nsproxy.c:(.text+0x1fc): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/notifier.o: in function 
>> `locks_owner_has_blockers':
>>     notifier.c:(.text+0x12c): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/ksysfs.o: in function 
>> `locks_owner_has_blockers':
>>     ksysfs.c:(.text+0x180): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/cred.o: in function `locks_owner_has_blockers':
>>     cred.c:(.text+0x11a): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/reboot.o: in function 
>> `locks_owner_has_blockers':
>>     reboot.c:(.text+0x1d2): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/groups.o: in function 
>> `locks_owner_has_blockers':
>>     groups.c:(.text+0x32): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sched/core.o: in function 
>> `locks_owner_has_blockers':
>>     core.c:(.text+0x918): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sched/loadavg.o: in function 
>> `locks_owner_has_blockers':
>>     loadavg.c:(.text+0x38): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sched/clock.o: in function 
>> `locks_owner_has_blockers':
>>     clock.c:(.text+0x0): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>     m68k-linux-ld: kernel/sched/cputime.o: in function 
>> `locks_owner_has_blockers':
>>     cputime.c:(.text+0x76): multiple definition of 
>> `locks_owner_has_blockers'; init/main.o:main.c:(.text+0x0): first 
>> defined here
>>
>> ---
>> 0-DAY CI Kernel Test Service
>> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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