Hi Junxian, kernel test robot noticed the following build warnings: [auto build test WARNING on rdma/for-next] [also build test WARNING on linus/master v6.6-rc2 next-20230920] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Junxian-Huang/RDMA-hns-Support-SRQ-record-doorbell/20230920-113419 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next patch link: https://lore.kernel.org/r/20230920033005.1557-1-huangjunxian6%40hisilicon.com patch subject: [PATCH for-next] RDMA/hns: Support SRQ record doorbell config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230920/202309201334.ecTzlCD0-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230920/202309201334.ecTzlCD0-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309201334.ecTzlCD0-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/infiniband/hw/hns/hns_roce_hw_v2.c: In function 'hns_roce_v2_post_srq_recv': >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c:960:30: warning: unused variable 'hr_dev' [-Wunused-variable] 960 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | ^~~~~~ vim +/hr_dev +960 drivers/infiniband/hw/hns/hns_roce_hw_v2.c 2b035e7312b508 Yixing Liu 2021-06-21 955 ffb1308b88b602 Yixian Liu 2020-04-28 956 static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq, ffb1308b88b602 Yixian Liu 2020-04-28 957 const struct ib_recv_wr *wr, ffb1308b88b602 Yixian Liu 2020-04-28 958 const struct ib_recv_wr **bad_wr) ffb1308b88b602 Yixian Liu 2020-04-28 959 { ffb1308b88b602 Yixian Liu 2020-04-28 @960 struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); ffb1308b88b602 Yixian Liu 2020-04-28 961 struct hns_roce_srq *srq = to_hr_srq(ibsrq); ffb1308b88b602 Yixian Liu 2020-04-28 962 unsigned long flags; ffb1308b88b602 Yixian Liu 2020-04-28 963 int ret = 0; 2e07a3d945851f Wenpeng Liang 2021-01-30 964 u32 max_sge; 2e07a3d945851f Wenpeng Liang 2021-01-30 965 u32 wqe_idx; ffb1308b88b602 Yixian Liu 2020-04-28 966 void *wqe; 2e07a3d945851f Wenpeng Liang 2021-01-30 967 u32 nreq; ffb1308b88b602 Yixian Liu 2020-04-28 968 ffb1308b88b602 Yixian Liu 2020-04-28 969 spin_lock_irqsave(&srq->lock, flags); ffb1308b88b602 Yixian Liu 2020-04-28 970 9dd052474a2645 Lang Cheng 2021-01-30 971 max_sge = srq->max_gs - srq->rsv_sge; ffb1308b88b602 Yixian Liu 2020-04-28 972 for (nreq = 0; wr; ++nreq, wr = wr->next) { 2e07a3d945851f Wenpeng Liang 2021-01-30 973 ret = check_post_srq_valid(srq, max_sge, wr); 2e07a3d945851f Wenpeng Liang 2021-01-30 974 if (ret) { ffb1308b88b602 Yixian Liu 2020-04-28 975 *bad_wr = wr; ffb1308b88b602 Yixian Liu 2020-04-28 976 break; ffb1308b88b602 Yixian Liu 2020-04-28 977 } ffb1308b88b602 Yixian Liu 2020-04-28 978 6b981e2bd9251f Xi Wang 2021-01-30 979 ret = get_srq_wqe_idx(srq, &wqe_idx); 6b981e2bd9251f Xi Wang 2021-01-30 980 if (unlikely(ret)) { ffb1308b88b602 Yixian Liu 2020-04-28 981 *bad_wr = wr; ffb1308b88b602 Yixian Liu 2020-04-28 982 break; ffb1308b88b602 Yixian Liu 2020-04-28 983 } ffb1308b88b602 Yixian Liu 2020-04-28 984 6b981e2bd9251f Xi Wang 2021-01-30 985 wqe = get_srq_wqe_buf(srq, wqe_idx); 6b981e2bd9251f Xi Wang 2021-01-30 986 fill_recv_sge_to_wqe(wr, wqe, max_sge, srq->rsv_sge); 2e07a3d945851f Wenpeng Liang 2021-01-30 987 fill_wqe_idx(srq, wqe_idx); ffb1308b88b602 Yixian Liu 2020-04-28 988 srq->wrid[wqe_idx] = wr->wr_id; ffb1308b88b602 Yixian Liu 2020-04-28 989 } ffb1308b88b602 Yixian Liu 2020-04-28 990 ffb1308b88b602 Yixian Liu 2020-04-28 991 if (likely(nreq)) { 14d4b5285cbe41 Yangyang Li 2023-09-20 992 if (srq->cap_flags & HNS_ROCE_SRQ_CAP_RECORD_DB) 14d4b5285cbe41 Yangyang Li 2023-09-20 993 *srq->rdb.db_record = srq->idx_que.head & 14d4b5285cbe41 Yangyang Li 2023-09-20 994 V2_DB_PRODUCER_IDX_M; 14d4b5285cbe41 Yangyang Li 2023-09-20 995 else 14d4b5285cbe41 Yangyang Li 2023-09-20 996 update_srq_db(srq); ffb1308b88b602 Yixian Liu 2020-04-28 997 } ffb1308b88b602 Yixian Liu 2020-04-28 998 ffb1308b88b602 Yixian Liu 2020-04-28 999 spin_unlock_irqrestore(&srq->lock, flags); ffb1308b88b602 Yixian Liu 2020-04-28 1000 ffb1308b88b602 Yixian Liu 2020-04-28 1001 return ret; ffb1308b88b602 Yixian Liu 2020-04-28 1002 } ffb1308b88b602 Yixian Liu 2020-04-28 1003 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
