tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test head: 5e3aa4531ecc7febbfa18218145c903dab17e651 commit: 5e3aa4531ecc7febbfa18218145c903dab17e651 [60/60] powerpc/bug: Provide better flexibility to WARN_ON/__WARN_FLAGS() with asm goto config: powerpc64-buildonly-randconfig-r001-20210810 (attached as .config) compiler: powerpc-linux-gcc (GCC) 10.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/... git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git git fetch --no-tags powerpc next-test git checkout 5e3aa4531ecc7febbfa18218145c903dab17e651 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/ 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 >>): arch/powerpc/kernel/misc_32.S: Assembler messages: vim +240 arch/powerpc/kernel/misc_32.S 218 219 /* 220 * Copy a whole page. We use the dcbz instruction on the destination 221 * to reduce memory traffic (it eliminates the unnecessary reads of 222 * the destination into cache). This requires that the destination 223 * is cacheable. 224 */ 225 #define COPY_16_BYTES \ 226 lwz r6,4(r4); \ 227 lwz r7,8(r4); \ 228 lwz r8,12(r4); \ 229 lwzu r9,16(r4); \ 230 stw r6,4(r3); \ 231 stw r7,8(r3); \ 232 stw r8,12(r3); \ 233 stwu r9,16(r3) 234 235 _GLOBAL(copy_page) 236 rlwinm r5, r3, 0, L1_CACHE_BYTES - 1 237 addi r3,r3,-4 238 239 0: twnei r5, 0 /* WARN if r3 is not cache aligned */ 241 242 addi r4,r4,-4 243 244 li r5,4 245 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org