On Fri, Feb 26, 2021 at 3:47 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Masahiro, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on linus/master] > [also build test WARNING on next-20210225] > [cannot apply to kbuild/for-next asm-generic/master arm64/for-next/core m68k/for-next openrisc/for-next hp-parisc/for-next arc/for-next uclinux-h8/h8300-next nios2/for-linus v5.11] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Masahiro-Yamada/kbuild-build-speed-improvment-of-CONFIG_TRIM_UNUSED_KSYMS/20210226-000929 > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 29c395c77a9a514c5857c45ceae2665e9bd99ac7 > config: powerpc-mpc8313_rdb_defconfig (attached as .config) > compiler: powerpc-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/014940331790a8cd9bee92c7201494ec3217201e > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Masahiro-Yamada/kbuild-build-speed-improvment-of-CONFIG_TRIM_UNUSED_KSYMS/20210226-000929 > git checkout 014940331790a8cd9bee92c7201494ec3217201e > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> scripts/module.lds.S:7:5: warning: "CONFIG_TRIM_UNUSED_KSYMS" is not defined, evaluates to 0 [-Wundef] Thanks. This should be #ifdef, of course. > 7 | #if CONFIG_TRIM_UNUSED_KSYMS > | ^~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +/CONFIG_TRIM_UNUSED_KSYMS +7 scripts/module.lds.S > > > 7 #if CONFIG_TRIM_UNUSED_KSYMS > 8 #include <generated/keep-ksyms.h> > 9 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx -- Best Regards Masahiro Yamada