diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index fbfff1269816..69a1604a887c 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -905,7 +905,10 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, else qp->bf.bfreg = &dev->bfreg; - qp->bf.buf_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); + /* We need to divide by two since each register is comprised of + * two buffers of identical size, namely odd and even + */ + qp->bf.buf_size = (1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size)) / 2; uar_index = qp->bf.bfreg->index; err = calc_sq_size(dev, init_attr, qp); |