On Tue, Dec 10, 2019 at 04:17:03AM +0800, kbuild test robot wrote: +Cc: Max for xtensa matters, perhaps he has an idea. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: e42617b825f8073569da76dc4510bfa019b1c35a > commit: 30544ed5de431fe25d3793e4dd5a058d877c4d77 lib/bitmap: introduce bitmap_replace() helper > date: 5 days ago > config: xtensa-randconfig-a001-20191209 (attached as .config) > compiler: xtensa-linux-gcc (GCC) 7.5.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 30544ed5de431fe25d3793e4dd5a058d877c4d77 > # save the attached .config to linux build tree > GCC_VERSION=7.5.0 make.cross ARCH=xtensa > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): I'm not sure I got this (esp. relation to my patch). The mentioned code definitely compiled for 32-bit (since only then mentioned bitmap API is in use). I have tried to reproduce on i386 compilation (gcc 9.x), but can't. > >> WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in reference from the function bitmap_copy_clear_tail() to the variable .init.rodata:clump_exp > The function bitmap_copy_clear_tail() references > the variable __initconst clump_exp. > This is often because bitmap_copy_clear_tail lacks a __initconst > annotation or the annotation of clump_exp is wrong. > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation -- With Best Regards, Andy Shevchenko