tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4
head:   6aea8cab73778ca67fa373a802481d0329cd4b9b
commit: 39a52745de943c72c9ce7488cef9e3cafe962d31 [220/402] RDMA/efa: Use ib_umem_num_dma_pages()
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/commit/?id=39a52745de943c72c9ce7488cef9e3cafe962d31
        git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
        git fetch --no-tags sashal-linux-stable queue-5.4
        git checkout 39a52745de943c72c9ce7488cef9e3cafe962d31
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/infiniband/hw/efa/efa_verbs.c: In function 'efa_reg_mr':
>> drivers/infiniband/hw/efa/efa_verbs.c:1451:20: error: implicit declaration of function 'ib_umem_num_dma_blocks'; did you mean 'ib_umem_num_pages'? [-Werror=implicit-function-declaration]
    1451 |  params.page_num = ib_umem_num_dma_blocks(mr->umem, pg_sz);
         |                    ^~~~~~~~~~~~~~~~~~~~~~
         |                    ib_umem_num_pages
   cc1: some warnings being treated as errors

vim +1451 drivers/infiniband/hw/efa/efa_verbs.c

  1391	
  1392	struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
  1393				 u64 virt_addr, int access_flags,
  1394				 struct ib_udata *udata)
  1395	{
  1396		struct efa_dev *dev = to_edev(ibpd->device);
  1397		struct efa_com_reg_mr_params params = {};
  1398		struct efa_com_reg_mr_result result = {};
  1399		struct pbl_context pbl;
  1400		unsigned int pg_sz;
  1401		struct efa_mr *mr;
  1402		int inline_size;
  1403		int err;
  1404	
  1405		if (udata->inlen &&
  1406		    !ib_is_udata_cleared(udata, 0, sizeof(udata->inlen))) {
  1407			ibdev_dbg(&dev->ibdev,
  1408				  "Incompatible ABI params, udata not cleared\n");
  1409			err = -EINVAL;
  1410			goto err_out;
  1411		}
  1412	
  1413		if (access_flags & ~EFA_SUPPORTED_ACCESS_FLAGS) {
  1414			ibdev_dbg(&dev->ibdev,
  1415				  "Unsupported access flags[%#x], supported[%#x]\n",
  1416				  access_flags, EFA_SUPPORTED_ACCESS_FLAGS);
  1417			err = -EOPNOTSUPP;
  1418			goto err_out;
  1419		}
  1420	
  1421		mr = kzalloc(sizeof(*mr), GFP_KERNEL);
  1422		if (!mr) {
  1423			err = -ENOMEM;
  1424			goto err_out;
  1425		}
  1426	
  1427		mr->umem = ib_umem_get(udata, start, length, access_flags, 0);
  1428		if (IS_ERR(mr->umem)) {
  1429			err = PTR_ERR(mr->umem);
  1430			ibdev_dbg(&dev->ibdev,
  1431				  "Failed to pin and map user space memory[%d]\n", err);
  1432			goto err_free;
  1433		}
  1434	
  1435		params.pd = to_epd(ibpd)->pdn;
  1436		params.iova = virt_addr;
  1437		params.mr_length_in_bytes = length;
  1438		params.permissions = access_flags & 0x1;
  1439	
  1440		pg_sz = ib_umem_find_best_pgsz(mr->umem,
  1441					       dev->dev_attr.page_size_cap,
  1442					       virt_addr);
  1443		if (!pg_sz) {
  1444			err = -EOPNOTSUPP;
  1445			ibdev_dbg(&dev->ibdev, "Failed to find a suitable page size in page_size_cap %#llx\n",
  1446				  dev->dev_attr.page_size_cap);
  1447			goto err_unmap;
  1448		}
  1449	
  1450		params.page_shift = order_base_2(pg_sz);
> 1451		params.page_num = ib_umem_num_dma_blocks(mr->umem, pg_sz);
  1452	
  1453		ibdev_dbg(&dev->ibdev,
  1454			  "start %#llx length %#llx params.page_shift %u params.page_num %u\n",
  1455			  start, length, params.page_shift, params.page_num);
  1456	
  1457		inline_size = ARRAY_SIZE(params.pbl.inline_pbl_array);
  1458		if (params.page_num <= inline_size) {
  1459			err = efa_create_inline_pbl(dev, mr, &params);
  1460			if (err)
  1461				goto err_unmap;
  1462	
  1463			err = efa_com_register_mr(&dev->edev, &params, &result);
  1464			if (err)
  1465				goto err_unmap;
  1466		} else {
  1467			err = efa_create_pbl(dev, &pbl, mr, &params);
  1468			if (err)
  1469				goto err_unmap;
  1470	
  1471			err = efa_com_register_mr(&dev->edev, &params, &result);
  1472			pbl_destroy(dev, &pbl);
  1473	
  1474			if (err)
  1475				goto err_unmap;
  1476		}
  1477	
  1478		mr->ibmr.lkey = result.l_key;
  1479		mr->ibmr.rkey = result.r_key;
  1480		mr->ibmr.length = length;
  1481		ibdev_dbg(&dev->ibdev, "Registered mr[%d]\n", mr->ibmr.lkey);
  1482	
  1483		return &mr->ibmr;
  1484	
  1485	err_unmap:
  1486		ib_umem_release(mr->umem);
  1487	err_free:
  1488		kfree(mr);
  1489	err_out:
  1490		atomic64_inc(&dev->stats.sw_stats.reg_mr_err);
  1491		return ERR_PTR(err);
  1492	}
  1493	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org