Hi Eli, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.18-rc3 next-20220414] [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] url: https://github.com/intel-lab-lkp/linux/commits/Eli-Cohen/Show-statistics-for-a-vdpa-device/20220412-212129 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e config: i386-randconfig-s001-20220418 (https://download.01.org/0day-ci/archive/20220419/202204190335.6x3ZxWPL-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/3d9eba4c8d59370c862469b93e157cd72a49d6ad git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Eli-Cohen/Show-statistics-for-a-vdpa-device/20220412-212129 git checkout 3d9eba4c8d59370c862469b93e157cd72a49d6ad # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/vdpa/mlx5/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/vdpa/mlx5/net/mlx5_vnet.c:2583:19: sparse: sparse: cast to restricted __le16 >> drivers/vdpa/mlx5/net/mlx5_vnet.c:2583:19: sparse: sparse: cast from restricted __virtio16 vim +2583 drivers/vdpa/mlx5/net/mlx5_vnet.c 2542 2543 static int mlx5_vdpa_get_vendor_vq_stats(struct vdpa_device *vdev, u16 idx, 2544 struct sk_buff *msg, 2545 struct netlink_ext_ack *extack) 2546 { 2547 struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev); 2548 struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); 2549 struct mlx5_vdpa_virtqueue *mvq; 2550 struct mlx5_control_vq *cvq; 2551 u64 received_desc; 2552 u64 completed_desc; 2553 int err = 0; 2554 u16 max_vqp; 2555 2556 mutex_lock(&ndev->numq_lock); 2557 if (!is_index_valid(mvdev, idx)) { 2558 NL_SET_ERR_MSG_MOD(extack, "virtqueue index is not valid"); 2559 err = -EINVAL; 2560 goto out_err; 2561 } 2562 2563 if (idx == ctrl_vq_idx(mvdev)) { 2564 cvq = &mvdev->cvq; 2565 received_desc = cvq->received_desc; 2566 completed_desc = cvq->completed_desc; 2567 goto out; 2568 } 2569 2570 mvq = &ndev->vqs[idx]; 2571 err = counter_set_query(ndev, mvq, &received_desc, &completed_desc); 2572 if (err) { 2573 NL_SET_ERR_MSG_MOD(extack, "failed to query hardware"); 2574 goto out_err; 2575 } 2576 2577 out: 2578 err = -EMSGSIZE; 2579 if (nla_put_u64_64bit(msg, VDPA_ATTR_DEV_NEGOTIATED_FEATURES, 2580 mvdev->actual_features, VDPA_ATTR_PAD)) 2581 goto out_err; 2582 > 2583 max_vqp = le16_to_cpu(ndev->config.max_virtqueue_pairs); 2584 if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, max_vqp)) 2585 goto out_err; 2586 2587 if (nla_put_string(msg, VDPA_ATTR_DEV_VENDOR_ATTR_NAME, "received_desc")) 2588 goto out_err; 2589 2590 if (nla_put_u64_64bit(msg, VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, received_desc, 2591 VDPA_ATTR_PAD)) 2592 goto out_err; 2593 2594 if (nla_put_string(msg, VDPA_ATTR_DEV_VENDOR_ATTR_NAME, "completed_desc")) 2595 goto out_err; 2596 2597 if (nla_put_u64_64bit(msg, VDPA_ATTR_DEV_VENDOR_ATTR_VALUE, completed_desc, 2598 VDPA_ATTR_PAD)) 2599 goto out_err; 2600 2601 err = 0; 2602 out_err: 2603 mutex_unlock(&ndev->numq_lock); 2604 return err; 2605 } 2606 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
