Hi Bob, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rdma/for-next] [also build test WARNING on next-20211202] [cannot apply to v5.16-rc3] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Bob-Pearson/RDMA-rxe-Correct-race-conditions/20211203-072318 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20211203/202112031004.WKm0gsms-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 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/0day-ci/linux/commit/c12d68c6954d3274daefc01f9813fccec12a31bd git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bob-Pearson/RDMA-rxe-Correct-race-conditions/20211203-072318 git checkout c12d68c6954d3274daefc01f9813fccec12a31bd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/infiniband/sw/rxe/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/infiniband/sw/rxe/rxe_pool.c:387: warning: expecting prototype for rxe_elem_free(). Prototype was for __rxe_fini() instead vim +387 drivers/infiniband/sw/rxe/rxe_pool.c 381 382 /** 383 * rxe_elem_free() - free memory holding pool element 384 * @elem: the pool elem 385 */ 386 void __rxe_fini(struct rxe_pool_elem *elem) > 387 { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx