netdev - Re: [PATCH v4 bpf-next 1/6] bpf: enable task local storage for tracing programs

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Date:   Tue, 23 Feb 2021 11:08:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Song Liu <songliubraving@...com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, ast@...nel.org, daniel@...earbox.net,
        kernel-team@...com, peterz@...radead.org,
        Song Liu <songliubraving@...com>, KP Singh <kpsingh@...nel.org>
Subject: Re: [PATCH v4 bpf-next 1/6] bpf: enable task local storage for
 tracing programs

Hi Song,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Song-Liu/bpf-enable-task-local-storage-for-tracing-programs/20210223-092439
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: m68k-randconfig-r031-20210222 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/a1afc383ea0cda5b0221b111f208140114752782
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Song-Liu/bpf-enable-task-local-storage-for-tracing-programs/20210223-092439
        git checkout a1afc383ea0cda5b0221b111f208140114752782
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `task_storage_delete':
>> bpf_task_storage.c:(.text+0x28): undefined reference to `bpf_local_storage_lookup'
>> m68k-linux-ld: bpf_task_storage.c:(.text+0x3a): undefined reference to `bpf_selem_unlink'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `bpf_pid_task_storage_update_elem':
>> bpf_task_storage.c:(.text+0x120): undefined reference to `bpf_local_storage_update'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `bpf_pid_task_storage_lookup_elem':
   bpf_task_storage.c:(.text+0x1a8): undefined reference to `bpf_local_storage_lookup'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `task_storage_map_free':
>> bpf_task_storage.c:(.text+0x232): undefined reference to `bpf_local_storage_cache_idx_free'
>> m68k-linux-ld: bpf_task_storage.c:(.text+0x240): undefined reference to `bpf_local_storage_map_free'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `task_storage_map_alloc':
>> bpf_task_storage.c:(.text+0x24c): undefined reference to `bpf_local_storage_map_alloc'
>> m68k-linux-ld: bpf_task_storage.c:(.text+0x262): undefined reference to `bpf_local_storage_cache_idx_get'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `bpf_task_storage_get':
   bpf_task_storage.c:(.text+0x2b2): undefined reference to `bpf_local_storage_lookup'
>> m68k-linux-ld: bpf_task_storage.c:(.text+0x2ee): undefined reference to `bpf_local_storage_update'
   m68k-linux-ld: kernel/bpf/bpf_task_storage.o: in function `bpf_task_storage_free':
>> bpf_task_storage.c:(.text+0x328): undefined reference to `bpf_selem_unlink_map'
>> m68k-linux-ld: bpf_task_storage.c:(.text+0x32e): undefined reference to `bpf_selem_unlink_storage_nolock'
>> m68k-linux-ld: kernel/bpf/bpf_task_storage.o:(.rodata+0x74): undefined reference to `bpf_local_storage_map_alloc_check'
>> m68k-linux-ld: kernel/bpf/bpf_task_storage.o:(.rodata+0xcc): undefined reference to `bpf_local_storage_map_check_btf'
   m68k-linux-ld: drivers/macintosh/via-pmu.o: in function `pmu_set_rtc_time':
   (.text+0x187e): undefined reference to `rtc_tm_to_time64'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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