tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next head: 05f9b877d9328976740745c6f5451a83685920d6 commit: 44d753250016442d012948cd500e94dfb4f1eea4 [13/42] RDMA/mlx5: Create ODP EQ only when ODP MR is created config: arc-randconfig-m031-20210311 (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; New smatch warnings: drivers/infiniband/hw/mlx5/odp.c:1544 mlx5r_odp_create_eq() warn: missing error code 'err' Old smatch warnings: drivers/infiniband/hw/mlx5/odp.c:264 mlx5_ib_invalidate_range() warn: should '(((1))) << (umem_odp->page_shift)' be a 64 bit type? vim +/err +1544 drivers/infiniband/hw/mlx5/odp.c 1533 1534 int mlx5r_odp_create_eq(struct mlx5_ib_dev *dev, struct mlx5_ib_pf_eq *eq) 1535 { 1536 struct mlx5_eq_param param = {}; 1537 int err = 0; 1538 1539 if (eq->core) 1540 return 0; 1541 1542 mutex_lock(&dev->odp_eq_mutex); 1543 if (eq->core) 1545 INIT_WORK(&eq->work, mlx5_ib_eq_pf_action); 1546 spin_lock_init(&eq->lock); 1547 eq->dev = dev; 1548 1549 eq->pool = mempool_create_kmalloc_pool(MLX5_IB_NUM_PF_DRAIN, 1550 sizeof(struct mlx5_pagefault)); 1551 if (!eq->pool) { 1552 err = -ENOMEM; 1553 goto unlock; 1554 } 1555 1556 eq->wq = alloc_workqueue("mlx5_ib_page_fault", 1557 WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1558 MLX5_NUM_CMD_EQE); 1559 if (!eq->wq) { 1560 err = -ENOMEM; 1561 goto err_mempool; 1562 } 1563 1564 eq->irq_nb.notifier_call = mlx5_ib_eq_pf_int; 1565 param = (struct mlx5_eq_param){ 1566 .irq_index = 0, 1567 .nent = MLX5_IB_NUM_PF_EQE, 1568 }; 1569 param.mask[0] = 1ull << MLX5_EVENT_TYPE_PAGE_FAULT; 1570 eq->core = mlx5_eq_create_generic(dev->mdev, &param); 1571 if (IS_ERR(eq->core)) { 1572 err = PTR_ERR(eq->core); 1573 goto err_wq; 1574 } 1575 err = mlx5_eq_enable(dev->mdev, eq->core, &eq->irq_nb); 1576 if (err) { 1577 mlx5_ib_err(dev, "failed to enable odp EQ %d\n", err); 1578 goto err_eq; 1579 } 1580 1581 mutex_unlock(&dev->odp_eq_mutex); 1582 return 0; 1583 err_eq: 1584 mlx5_eq_destroy_generic(dev->mdev, eq->core); 1585 err_wq: 1586 eq->core = NULL; 1587 destroy_workqueue(eq->wq); 1588 err_mempool: 1589 mempool_destroy(eq->pool); 1590 unlock: 1591 mutex_unlock(&dev->odp_eq_mutex); 1592 return err; 1593 } 1594 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org