On Wed, Oct 23, 2019 at 9:11 PM kbuild test robot <lkp@xxxxxxxxx> wrote: > > Hi Andrey, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on linus/master] > [cannot apply to v5.4-rc4 next-20191023] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Andrey-Konovalov/kcov-collect-coverage-from-usb-and-vhost/20191023-185245 > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3b7c59a1950c75f2c0152e5a9cd77675b09233d6 > config: s390-allmodconfig (attached as .config) > compiler: s390-linux-gcc (GCC) 7.4.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=s390 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > >> ERROR: "kcov_remote_stop" [drivers/usb/core/usbcore.ko] undefined! > >> ERROR: "kcov_remote_start" [drivers/usb/core/usbcore.ko] undefined! Indeed, we need EXPORT_SYMBOL() for kcov_common_handle(), kcov_remote_start() and kcov_remote_stop(). Will fix in v3. > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation
