diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index bb02b6adbf2c..0a3cbb14e183 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1550,7 +1550,7 @@ static void mlx5_ib_dmabuf_invalidate_cb(struct dma_buf_attachment *attach) dma_resv_assert_held(umem_dmabuf->attach->dmabuf->resv); - if (!umem_dmabuf->sgt) + if (!umem_dmabuf->sgt || !mr) return; mlx5r_umr_update_mr_pas(mr, MLX5_IB_UPD_XLT_ZAP); @@ -2022,11 +2022,16 @@ static int mlx5_revoke_mr(struct mlx5_ib_mr *mr) struct mlx5_ib_dev *dev = to_mdev(mr->ibmr.device); struct mlx5_cache_ent *ent = mr->mmkey.cache_ent; bool is_odp = is_odp_mr(mr); + bool is_odp_dma_buf = is_dmabuf_mr(mr) && + !to_ib_umem_dmabuf(mr->umem)->pinned; int ret = 0; if (is_odp) mutex_lock(&to_ib_umem_odp(mr->umem)->umem_mutex); + if (is_odp_dma_buf) + dma_resv_lock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv, NULL); + if (mr->mmkey.cacheable && !mlx5r_umr_revoke_mr(mr) && !cache_ent_find_and_store(dev, mr)) { ent = mr->mmkey.cache_ent; /* upon storing to a clean temp entry - schedule its cleanup */ @@ -2054,6 +2059,12 @@ out: mutex_unlock(&to_ib_umem_odp(mr->umem)->umem_mutex); } + if (is_odp_dma_buf) { + if (!ret) + to_ib_umem_dmabuf(mr->umem)->private = NULL; + dma_resv_unlock(to_ib_umem_dmabuf(mr->umem)->attach->dmabuf->resv); + } + return ret; }