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path: root/drivers/infiniband/hw/mlx5/mr.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index fd94838a8845..1e91f61efa8a 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1317,7 +1317,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
if (is_odp_mr(mr)) {
to_ib_umem_odp(mr->umem)->private = mr;
- atomic_set(&mr->num_pending_prefetch, 0);
+ atomic_set(&mr->num_deferred_work, 0);
err = xa_err(xa_store(&dev->odp_mkeys,
mlx5_base_mkey(mr->mmkey.key), &mr->mmkey,
GFP_KERNEL));
@@ -1573,17 +1573,15 @@ static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
synchronize_srcu(&dev->odp_srcu);
/* dequeue pending prefetch requests for the mr */
- if (atomic_read(&mr->num_pending_prefetch))
+ if (atomic_read(&mr->num_deferred_work)) {
flush_workqueue(system_unbound_wq);
- WARN_ON(atomic_read(&mr->num_pending_prefetch));
+ WARN_ON(atomic_read(&mr->num_deferred_work));
+ }
/* Destroy all page mappings */
- if (!umem_odp->is_implicit_odp)
- mlx5_ib_invalidate_range(umem_odp,
- ib_umem_start(umem_odp),
- ib_umem_end(umem_odp));
- else
- mlx5_ib_free_implicit_mr(mr);
+ mlx5_ib_invalidate_range(umem_odp, ib_umem_start(umem_odp),
+ ib_umem_end(umem_odp));
+
/*
* We kill the umem before the MR for ODP,
* so that there will not be any invalidations in
@@ -1620,6 +1618,11 @@ int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
dereg_mr(to_mdev(mmr->klm_mr->ibmr.device), mmr->klm_mr);
}
+ if (is_odp_mr(mmr) && to_ib_umem_odp(mmr->umem)->is_implicit_odp) {
+ mlx5_ib_free_implicit_mr(mmr);
+ return 0;
+ }
+
dereg_mr(to_mdev(ibmr->device), mmr);
return 0;