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

On Thu, Dec 2, 2021 at 11:25 AM kernel test robot [off-list ref] wrote:

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 <redacted>

All errors (new ones prefixed by >>):

   nios2-linux-ld: kernel/stacktrace.o: in function `stack_trace_save':

quoted

quoted

(.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

I am not sure I understand this.

Dmitry, do I need to add a depends on STACKTRACE_SUPPORT.

Thanks !