CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: Linux Memory Management List <linux...@kvack.org> TO: Wenpeng Liang <liangwenp...@huawei.com> CC: Jason Gunthorpe <j...@ziepe.ca>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 21498d01d045c5b95b93e0a0625ae965b4330ebe commit: 82600b2d3cd57428bdb03c66ae67708d3c8f7281 [10593/12886] RDMA/hns: Use hr_reg_xxx() instead of remaining roce_set_xxx() :::::: branch date: 7 hours ago :::::: commit date: 7 days ago config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20220520/202205200035.zrbow9kd-...@intel.com/config) compiler: sparc64-linux-gcc (GCC) 11.3.0 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/next/linux-next.git/commit/?id=82600b2d3cd57428bdb03c66ae67708d3c8f7281 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 82600b2d3cd57428bdb03c66ae67708d3c8f7281 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash drivers/infiniband/hw/hns/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:309:9: sparse: sparse: dubious: x >> & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:460:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y drivers/infiniband/hw/hns/hns_roce_hw_v2.c:462:9: sparse: sparse: dubious: x & !y vim +309 drivers/infiniband/hw/hns/hns_roce_hw_v2.c 30b707886aeb89 Weihang Li 2020-09-10 294 30b707886aeb89 Weihang Li 2020-09-10 295 static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr, 30b707886aeb89 Weihang Li 2020-09-10 296 struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, 30b707886aeb89 Weihang Li 2020-09-10 297 unsigned int *sge_ind, 30b707886aeb89 Weihang Li 2020-09-10 298 unsigned int valid_num_sge) 30b707886aeb89 Weihang Li 2020-09-10 299 { 30b707886aeb89 Weihang Li 2020-09-10 300 struct hns_roce_v2_wqe_data_seg *dseg = 30b707886aeb89 Weihang Li 2020-09-10 301 (void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe); 30b707886aeb89 Weihang Li 2020-09-10 302 struct hns_roce_qp *qp = to_hr_qp(ibqp); 30b707886aeb89 Weihang Li 2020-09-10 303 int j = 0; 30b707886aeb89 Weihang Li 2020-09-10 304 int i; 30b707886aeb89 Weihang Li 2020-09-10 305 82600b2d3cd574 Wenpeng Liang 2022-05-12 306 hr_reg_write(rc_sq_wqe, RC_SEND_WQE_MSG_START_SGE_IDX, 30b707886aeb89 Weihang Li 2020-09-10 307 (*sge_ind) & (qp->sge.sge_cnt - 1)); 30b707886aeb89 Weihang Li 2020-09-10 308 82600b2d3cd574 Wenpeng Liang 2022-05-12 @309 hr_reg_write(rc_sq_wqe, RC_SEND_WQE_INLINE, e13026578b727b Lang Cheng 2021-06-18 310 !!(wr->send_flags & IB_SEND_INLINE)); 30b707886aeb89 Weihang Li 2020-09-10 311 if (wr->send_flags & IB_SEND_INLINE) 30b707886aeb89 Weihang Li 2020-09-10 312 return set_rc_inl(qp, wr, rc_sq_wqe, sge_ind); 30b707886aeb89 Weihang Li 2020-09-10 313 54d6638765b0ed Xi Wang 2020-04-28 314 if (valid_num_sge <= HNS_ROCE_SGE_IN_WQE) { 7bdee4158b3778 oulijun 2018-01-10 315 for (i = 0; i < wr->num_sge; i++) { 7bdee4158b3778 oulijun 2018-01-10 316 if (likely(wr->sg_list[i].length)) { 7bdee4158b3778 oulijun 2018-01-10 317 set_data_seg_v2(dseg, wr->sg_list + i); 7bdee4158b3778 oulijun 2018-01-10 318 dseg++; 7bdee4158b3778 oulijun 2018-01-10 319 } 7bdee4158b3778 oulijun 2018-01-10 320 } 7bdee4158b3778 oulijun 2018-01-10 321 } else { 30b707886aeb89 Weihang Li 2020-09-10 322 for (i = 0; i < wr->num_sge && j < HNS_ROCE_SGE_IN_WQE; i++) { 7bdee4158b3778 oulijun 2018-01-10 323 if (likely(wr->sg_list[i].length)) { 7bdee4158b3778 oulijun 2018-01-10 324 set_data_seg_v2(dseg, wr->sg_list + i); 7bdee4158b3778 oulijun 2018-01-10 325 dseg++; 468d020e2f0286 Lijun Ou 2020-01-09 326 j++; 7bdee4158b3778 oulijun 2018-01-10 327 } 7bdee4158b3778 oulijun 2018-01-10 328 } 7bdee4158b3778 oulijun 2018-01-10 329 0fd0175e30e487 Lang Cheng 2020-11-28 330 set_extend_sge(qp, wr->sg_list + i, sge_ind, 0fd0175e30e487 Lang Cheng 2020-11-28 331 valid_num_sge - HNS_ROCE_SGE_IN_WQE); 7bdee4158b3778 oulijun 2018-01-10 332 } 7bdee4158b3778 oulijun 2018-01-10 333 82600b2d3cd574 Wenpeng Liang 2022-05-12 334 hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SGE_NUM, valid_num_sge); 7bdee4158b3778 oulijun 2018-01-10 335 7bdee4158b3778 oulijun 2018-01-10 336 return 0; 7bdee4158b3778 oulijun 2018-01-10 337 } 7bdee4158b3778 oulijun 2018-01-10 338 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
