netdev - Re: [PATCH net-next 02/19] lib: add tests for reference tracker

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Date:   Fri, 3 Dec 2021 03:25:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     kbuild-all@...ts.01.org, netdev <netdev@...r.kernel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 02/19] lib: add tests for reference tracker

Hi Eric,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Eric-Dumazet/net-add-preliminary-netdev-refcount-tracking/20211202-112353
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 8057cbb8335cf6d419866737504473833e1d128a
config: nios2-allyesconfig (https://download.01.org/0day-ci/archive/20211203/202112030323.z9IhC2B3-lkp@intel.com/config)
compiler: nios2-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://github.com/0day-ci/linux/commit/5da0cdb1848fae9fb2d9d749bb94e568e2493df8
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-Dumazet/net-add-preliminary-netdev-refcount-tracking/20211202-112353
        git checkout 5da0cdb1848fae9fb2d9d749bb94e568e2493df8
        # 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=nios2 SHELL=/bin/bash

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 >>):

   nios2-linux-ld: kernel/stacktrace.o: in function `stack_trace_save':
>> (.text+0x2e4): undefined reference to `save_stack_trace'
   (.text+0x2e4): relocation truncated to fit: R_NIOS2_CALL26 against `save_stack_trace'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for STACKTRACE
   Depends on STACKTRACE_SUPPORT
   Selected by
   - STACKDEPOT

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