Hi Weihang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rdma/for-next] [also build test WARNING on v5.11-rc4 next-20210121] [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/Weihang-Li/RDMA-hns-Refactor-codes-about-memory/20210121-215817 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next config: sparc-allyesconfig (attached as .config) compiler: sparc64-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/0day-ci/linux/commit/9ff47c3f8e6b778282c3bc9d4fb65ce835bdd83c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Weihang-Li/RDMA-hns-Refactor-codes-about-memory/20210121-215817 git checkout 9ff47c3f8e6b778282c3bc9d4fb65ce835bdd83c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 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/hw/hns/hns_roce_mr.c:140:6: warning: no previous prototype for 'hns_roce_mr_free' [-Wmissing-prototypes] 140 | void hns_roce_mr_free(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr) | ^~~~~~~~~~~~~~~~ vim +/hns_roce_mr_free +140 drivers/infiniband/hw/hns/hns_roce_mr.c 139 > 140 void hns_roce_mr_free(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr) 141 { 142 struct ib_device *ibdev = &hr_dev->ib_dev; 143 int ret; 144 145 if (mr->enabled) { 146 ret = hns_roce_hw_destroy_mpt(hr_dev, NULL, 147 key_to_hw_index(mr->key) & 148 (hr_dev->caps.num_mtpts - 1)); 149 if (ret) 150 ibdev_warn(ibdev, "failed to destroy mpt, ret = %d.\n", 151 ret); 152 } 153 154 free_mr_pbl(hr_dev, mr); 155 free_mr_key(hr_dev, mr); 156 } 157 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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