tree: https://github.com/zen-kernel/zen-kernel 5.10/clearlinux head: f913bdc4bdb24521c1309755d426d7bac427ad2f commit: f32b62caf790b6f63e5b447108b90febb9c009eb [9/25] raid6: add Kconfig option to skip raid6 benchmarking config: m68k-allmodconfig (attached as .config) compiler: m68k-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/zen-kernel/zen-kernel/commit/f32b62caf790b6f63e5b44710... git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel git fetch --no-tags zen-kernel-zen-kernel 5.10/clearlinux git checkout f32b62caf790b6f63e5b447108b90febb9c009eb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES Depends on DISCONTIGMEM || NUMA Selected by - SINGLE_MEMORY_CHUNK && MMU In file included from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/blkdev.h:5, from include/linux/raid/pq.h:15, from lib/raid6/algos.c:14: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ lib/raid6/algos.c: In function 'raid6_select_algo': 138 | # error "TODO" | ^~~~~ lib/raid6/algos.c:130:28: warning: unused variable 'gen_fallback' [-Wunused-variable] 130 | const struct raid6_calls *gen_fallback; | ^~~~~~~~~~~~ vim +/TODO +138 lib/raid6/algos.c 123 124 #ifdef CONFIG_RAID6_FORCE_ALGO 125 /* TODO don't compile in algos that will never be used */ 126 int __init raid6_select_algo(void) 127 { 128 const struct raid6_recov_calls *recov_fallback = &raid6_recov_intx1; 129 const struct raid6_recov_calls *recov_algo; 130 const struct raid6_calls *gen_fallback; 131 const struct raid6_calls *gen_algo; 132 133 #if defined(__i386__) 134 gen_fallback = &raid6_intx32; 135 #elif defined(__x86_64__) 136 gen_fallback = &raid6_sse2x2; 137 #else 139 #endif 140 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org