diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 598954dd0613..2b6cc011b25d 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -136,6 +136,7 @@ struct mlx4_ib_mr { dma_addr_t page_map; u32 npages; u32 max_pages; + int access_flags; struct mlx4_mr mmr; struct ib_umem *umem; size_t page_map_size; diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 027ffb6f79d3..906f09a87704 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -181,6 +181,7 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, if (err) goto err_mr; + mr->access_flags = access_flags; mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key; mr->ibmr.page_size = 1U << shift; @@ -237,6 +238,8 @@ struct ib_mr *mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, u64 start, if (err) goto release_mpt_entry; + } else { + mr_access_flags = mmr->access_flags; } if (flags & IB_MR_REREG_TRANS) { @@ -278,8 +281,10 @@ struct ib_mr *mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags, u64 start, * return a failure. But dereg_mr will free the resources. */ err = mlx4_mr_hw_write_mpt(dev->dev, &mmr->mmr, pmpt_entry); - if (!err && flags & IB_MR_REREG_ACCESS) - mmr->mmr.access = mr_access_flags; + if (!err && flags & IB_MR_REREG_ACCESS) { + mmr->access_flags = mr_access_flags; + mmr->mmr.access = convert_access(mr_access_flags); + } release_mpt_entry: mlx4_mr_hw_put_mpt(dev->dev, pmpt_entry);