Hi all, After merging the rdma tree, today's linux-next build (x86_64 allmodconfig) failed like this: WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_ah.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_alloc.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_cmd.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_cq.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_db.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_hem.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_mr.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_pd.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_qp.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_restrack.o see include/linux/module.h for more information WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_srq.o see include/linux/module.h for more information ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_bitmap_init" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_free_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_alloc_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_table_get" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_bitmap_alloc" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_table_find" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_ib_umem_write_mtt" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_mtt_cleanup" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_buf_write_mtt" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_buf_free" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_buf_alloc" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_mtt_init" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_bitmap_free" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_table_put" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_cmd_mbox" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined! ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_bitmap_init" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_buf_free" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_free_db" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_alloc_db" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_bitmap_free_range" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_bitmap_alloc_range" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_db_unmap_user" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_mtr_cleanup" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_get_kmem_bufs" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_buf_alloc" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_db_map_user" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_free_buf_list" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_table_get" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_mtr_attach" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_mtr_init" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_hem_list_calc_root_ba" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_get_umem_bufs" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_alloc_buf_list" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_table_put" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_init_buf_region" [drivers/infiniband/hw/hns/hns_roce_qp.ko] undefined! ERROR: "hns_roce_bitmap_free" [drivers/infiniband/hw/hns/hns_roce_pd.ko] undefined! ERROR: "hns_roce_bitmap_alloc" [drivers/infiniband/hw/hns/hns_roce_pd.ko] undefined! ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_pd.ko] undefined! ERROR: "hns_roce_bitmap_init" [drivers/infiniband/hw/hns/hns_roce_pd.ko] undefined! ERROR: "hns_roce_hem_list_find_mtt" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_hem_list_request" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_hem_list_release" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_hem_list_init" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_check_whether_mhop" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_bitmap_init" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_table_put_range" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_table_get_range" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_bitmap_alloc" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_table_find" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_bitmap_free" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_table_put" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_free_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_cmd_mbox" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_alloc_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_table_get" [drivers/infiniband/hw/hns/hns_roce_mr.ko] undefined! ERROR: "hns_roce_fill_res_entry" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_dereg_mr" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_reg_user_mr" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_get_dma_mr" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_ib_destroy_cq" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_ib_create_cq" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_modify_qp" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_create_qp" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_destroy_ah" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_query_ah" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_create_ah" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_dealloc_pd" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_alloc_pd" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_rereg_user_mr" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_dealloc_mw" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_alloc_mw" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_map_mr_sg" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_alloc_mr" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_destroy_srq" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_create_srq" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_qp_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_uar_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_pd_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_mr_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_cq_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_hem_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cmd_use_polling" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_srq_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cmd_cleanup" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_hem" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cleanup_bitmap" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cmd_use_events" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_qp_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_cq_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_mr_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_pd_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_uar_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_check_whether_mhop" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_init_hem_table" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_cmd_init" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_uar_alloc" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_uar_free" [drivers/infiniband/hw/hns/hns_roce_main.ko] undefined! ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_bitmap_init" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_free_db" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_db_unmap_user" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_buf_free" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_mtt_cleanup" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_ib_umem_write_mtt" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_db_map_user" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_buf_write_mtt" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_buf_alloc" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_alloc_db" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_mtt_init" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_free_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_alloc_cmd_mailbox" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_table_get" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_bitmap_alloc" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_table_find" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_check_whether_mhop" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_bitmap_free" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_table_put" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_cmd_mbox" [drivers/infiniband/hw/hns/hns_roce_cq.ko] undefined! ERROR: "hns_roce_cleanup_srq_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "hns_roce_cleanup_uar_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "hns_roce_cleanup_pd_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "hns_roce_cleanup_mr_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "hns_roce_cleanup_cq_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "hns_roce_cleanup_qp_table" [drivers/infiniband/hw/hns/hns_roce_alloc.ko] undefined! ERROR: "to_hr_qp_type" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "get_send_wqe" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_release_range_qp" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_mtt_cleanup" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_cmd_mbox" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_cmd_event" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_cq_completion" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_create_qp" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_init" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_buf_free" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_free_cq" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_hw2sw_mpt" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_get_gid_index" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_dealloc_pd" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_alloc_cmd_mailbox" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_qp_remove" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_alloc_pd" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_free_cmd_mailbox" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "get_recv_wqe" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_unlock_cqs" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_exit" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_qp_event" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_table_find" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "to_hns_roce_state" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_ib_create_cq" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_cq_event" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_qp_free" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_lock_cqs" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_wq_overflow" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "key_to_hw_index" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_bitmap_free" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! ERROR: "hns_roce_ib_destroy_cq" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined! Presumably caused by commit e9816ddf2a33 ("RDMA/hns: Cleanup unnecessary exported symbols") I have used the rdma tree from next-20190628 for today. -- Cheers, Stephen Rothwell