tree: https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git ceph-fscrypt head: adf69efebc954db1aa7af7b93febbc2a1b51dc6c commit: 8647843c1c4c4ebffb864d049176b4d847ef3a4b [55/57] libceph: allow ceph_msg_data_advance to advance more than a page config: xtensa-randconfig-s032-20220210 (https://download.01.org/0day-ci/archive/20220211/202202111549.YqdShhY1-lk...) compiler: xtensa-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git/commit/... git remote add jlayton https://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux.git git fetch --no-tags jlayton ceph-fscrypt git checkout 8647843c1c4c4ebffb864d049176b4d847ef3a4b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=xtensa SHELL=/bin/bash net/ceph/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) net/ceph/messenger.c: note: in included file (through arch/xtensa/include/asm/bitops.h, include/linux/bitops.h, include/linux/log2.h, ...): arch/xtensa/include/asm/processor.h:107:2: sparse: sparse: Unsupported xtensa ABI arch/xtensa/include/asm/processor.h:137:2: sparse: sparse: Unsupported Xtensa ABI vim +1126 net/ceph/messenger.c 1122 1123 void ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor, size_t bytes) 1124 { 1125 while (bytes) { 1127 1128 __ceph_msg_data_advance(cursor, cur); 1129 bytes -= cur; 1130 } 1131 } 1132 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org