Hi Andrew, On Wed, Dec 6, 2017 at 1:09 AM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 5 Dec 2017 20:31:28 +0800 kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master >> head: 7ceb97a071e80f1b5e4cd5a36de135612a836388 >> commit: e49c614e6b37254b1e7bf55c631ce3cb5e3b6433 [2148/2944] lib: optimize cpumask_next_and() >> config: m68k-allmodconfig (attached as .config) >> compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 >> reproduce: >> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> git checkout e49c614e6b37254b1e7bf55c631ce3cb5e3b6433 >> # save the attached .config to linux build tree >> make.cross ARCH=m68k >> >> All errors (new ones prefixed by >>): >> >> lib/find_bit_benchmark.c: In function 'test_find_next_and_bit': >> >> lib/find_bit_benchmark.c:115:7: error: implicit declaration of function 'find_next_and_bit'; did you mean 'find_next_bit'? [-Werror=implicit-function-declaration] >> i = find_next_and_bit(bitmap, bitmap2, BITMAP_LEN, i+1); >> ^~~~~~~~~~~~~~~~~ >> find_next_bit >> cc1: some warnings being treated as errors > > For some reason m68k doesn't include asm-generic/bitops/find.h from > arch/m68k/include/asm/bitops.h. One for Clement and Geert to puzzle > out, please. Oh it does, but only for the CONFIG_CPU_HAS_NO_BITFIELDS=y case. Which used to be fine, as the code for CONFIG_CPU_HAS_NO_BITFIELDS=n implemented everything in find.h, until find_next_and_bit() was added. Thanks, will fix... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>