tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git master head: 31ca88ecbfa2c7cae4c90c52e6e885b934526474 commit: ae669d2e16cb9198a61036ad19e1cce341c7057c [8/11] Merge branch 'locking/atomics' config: mips-fuloong2e_defconfig (attached as .config) compiler: mips64el-linux-gcc (GCC) 5.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout ae669d2e16cb9198a61036ad19e1cce341c7057c # save the attached .config to linux build tree GCC_VERSION=5.5.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:11:0, from include/linux/list.h:9, from include/linux/preempt.h:11, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/compat.h:10, from arch/mips/kernel/asm-offsets.c:12: include/linux/list.h: In function 'INIT_LIST_HEAD': kcsan_check_atomic_write(&(x), sizeof(x)); \ ^ include/linux/list.h:35:2: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(list->next, list); ^ include/linux/list.h: In function 'list_empty': kcsan_check_atomic_read(&(x), sizeof(x)); \ ^ include/linux/list.h:282:9: note: in expansion of macro 'READ_ONCE' return READ_ONCE(head->next) == head; ^ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:101: arch/mips/kernel/asm-offsets.s] Error 1 make[2]: Target 'missing-syscalls' not remade because of errors. make[1]: *** [arch/mips/Makefile:414: archprepare] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:180: sub-make] Error 2 17 real 4 user 9 sys 78.57% cpu make prepare vim +/kcsan_check_atomic_write +238 include/linux/compiler.h 224 225 #define READ_ONCE(x) ({ \ 227 READ_ONCE_NOCHECK(x); \ 228 }) 229 230 #define __WRITE_ONCE(x, val) \ 231 do { \ 232 *(volatile typeof(x) *)&(x) = (val); \ 233 } while (0) 234 235 #define WRITE_ONCE(x, val) \ 236 do { \ 237 compiletime_assert_rwonce_type(x); \ 239 __WRITE_ONCE(x, val); \ 240 } while (0) 241 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org