tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next head: 41142fada89c77281000029c8f4ce28ea8ed95ac commit: b287f59569b5ddead80547afb3fbe54ba19d71a2 [67/71] RDMA/mlx5: Use mlx5_umem_find_best_quantized_pgoff() for WQ config: i386-randconfig-s002-20200929 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-201-g24bdaac6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git/commi... git remote add leon-rdma https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git git fetch --no-tags leon-rdma rdma-next git checkout b287f59569b5ddead80547afb3fbe54ba19d71a2 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; echo echo "sparse warnings: (new ones prefixed by >>)" echo vim +861 drivers/infiniband/hw/mlx5/qp.c 79b20a6c3014c7 Yishai Hadas 2016-05-23 830 static int create_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd, b0ea0fa5435f9d Jason Gunthorpe 2019-01-09 831 struct ib_udata *udata, struct mlx5_ib_rwq *rwq, 79b20a6c3014c7 Yishai Hadas 2016-05-23 832 struct mlx5_ib_create_wq *ucmd) 79b20a6c3014c7 Yishai Hadas 2016-05-23 833 { 89944450547334 Shamir Rabinovitch 2019-02-07 834 struct mlx5_ib_ucontext *ucontext = rdma_udata_to_drv_context( 89944450547334 Shamir Rabinovitch 2019-02-07 835 udata, struct mlx5_ib_ucontext, ibucontext); b287f59569b5dd Jason Gunthorpe 2020-08-21 836 unsigned long page_size = 0; 79b20a6c3014c7 Yishai Hadas 2016-05-23 837 u32 offset = 0; 79b20a6c3014c7 Yishai Hadas 2016-05-23 838 int err; 79b20a6c3014c7 Yishai Hadas 2016-05-23 839 79b20a6c3014c7 Yishai Hadas 2016-05-23 840 if (!ucmd->buf_addr) 79b20a6c3014c7 Yishai Hadas 2016-05-23 841 return -EINVAL; 79b20a6c3014c7 Yishai Hadas 2016-05-23 842 c320e527e15483 Moni Shoua 2020-01-15 843 rwq->umem = ib_umem_get(&dev->ib_dev, ucmd->buf_addr, rwq->buf_size, 0); 79b20a6c3014c7 Yishai Hadas 2016-05-23 844 if (IS_ERR(rwq->umem)) { 79b20a6c3014c7 Yishai Hadas 2016-05-23 845 mlx5_ib_dbg(dev, "umem_get failed\n"); 79b20a6c3014c7 Yishai Hadas 2016-05-23 846 err = PTR_ERR(rwq->umem); 79b20a6c3014c7 Yishai Hadas 2016-05-23 847 return err; 79b20a6c3014c7 Yishai Hadas 2016-05-23 848 } 79b20a6c3014c7 Yishai Hadas 2016-05-23 849 b287f59569b5dd Jason Gunthorpe 2020-08-21 850 page_size = mlx5_umem_find_best_quantized_pgoff( b287f59569b5dd Jason Gunthorpe 2020-08-21 851 rwq->umem, wq, log_wq_pg_sz, MLX5_ADAPTER_PAGE_SHIFT, b287f59569b5dd Jason Gunthorpe 2020-08-21 852 page_offset, 64, &rwq->rq_page_offset); b287f59569b5dd Jason Gunthorpe 2020-08-21 853 if (!page_size) { 79b20a6c3014c7 Yishai Hadas 2016-05-23 854 mlx5_ib_warn(dev, "bad offset\n"); b287f59569b5dd Jason Gunthorpe 2020-08-21 855 err = -EINVAL; 79b20a6c3014c7 Yishai Hadas 2016-05-23 856 goto err_umem; 79b20a6c3014c7 Yishai Hadas 2016-05-23 857 } 79b20a6c3014c7 Yishai Hadas 2016-05-23 858 b287f59569b5dd Jason Gunthorpe 2020-08-21 859 rwq->rq_num_pas = ib_umem_num_dma_blocks(rwq->umem, page_size); b287f59569b5dd Jason Gunthorpe 2020-08-21 860 rwq->page_shift = order_base_2(page_size); b287f59569b5dd Jason Gunthorpe 2020-08-21 @861 rwq->log_page_size = page_shift - page_shift; ^^^^^^^^^^^^^^^^^^^^^^^^ Sharing is caring. #Drugs #NancyReagan 79b20a6c3014c7 Yishai Hadas 2016-05-23 862 rwq->wq_sig = !!(ucmd->flags & MLX5_WQ_FLAG_SIGNATURE); 79b20a6c3014c7 Yishai Hadas 2016-05-23 863 97cb748d1478c1 Jason Gunthorpe 2020-08-19 864 mlx5_ib_dbg( 97cb748d1478c1 Jason Gunthorpe 2020-08-19 865 dev, b287f59569b5dd Jason Gunthorpe 2020-08-21 866 "addr 0x%llx, size %zd, npages %zu, page_size %ld, ncont %d, offset %d\n", 79b20a6c3014c7 Yishai Hadas 2016-05-23 867 (unsigned long long)ucmd->buf_addr, rwq->buf_size, b287f59569b5dd Jason Gunthorpe 2020-08-21 868 ib_umem_num_pages(rwq->umem), page_size, rwq->rq_num_pas, 97cb748d1478c1 Jason Gunthorpe 2020-08-19 869 offset); 79b20a6c3014c7 Yishai Hadas 2016-05-23 870 89944450547334 Shamir Rabinovitch 2019-02-07 871 err = mlx5_ib_db_map_user(ucontext, udata, ucmd->db_addr, &rwq->db); 79b20a6c3014c7 Yishai Hadas 2016-05-23 872 if (err) { 79b20a6c3014c7 Yishai Hadas 2016-05-23 873 mlx5_ib_dbg(dev, "map failed\n"); 79b20a6c3014c7 Yishai Hadas 2016-05-23 874 goto err_umem; 79b20a6c3014c7 Yishai Hadas 2016-05-23 875 } 79b20a6c3014c7 Yishai Hadas 2016-05-23 876 79b20a6c3014c7 Yishai Hadas 2016-05-23 877 return 0; 79b20a6c3014c7 Yishai Hadas 2016-05-23 878 79b20a6c3014c7 Yishai Hadas 2016-05-23 879 err_umem: 79b20a6c3014c7 Yishai Hadas 2016-05-23 880 ib_umem_release(rwq->umem); 79b20a6c3014c7 Yishai Hadas 2016-05-23 881 return err; 79b20a6c3014c7 Yishai Hadas 2016-05-23 882 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org