On Tue, Apr 28, 2020 at 10:46 AM kbuild test robot <lkp@xxxxxxxxx> wrote: > > Hi Masahiro, > > I love your patch! Yet something to improve: > > [auto build test ERROR on kbuild/for-next] > [cannot apply to linus/master v5.7-rc3 next-20200424] > [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/Masahiro-Yamada/kbuild-support-userprogs-syntax/20200426-114001 > base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next > config: i386-allyesconfig (attached as .config) > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > /usr/bin/ld: i386 architecture of input file `net/bpfilter/main.o' is incompatible with i386:x86-64 output > >> collect2: error: ld returned 1 exit status > Thanks. -m32/-m64 is missing in the link time of the bpfilter_umh. I will fix it soon. -- Best Regards Masahiro Yamada