RDMA/mlx4: Remove unused create_flags field from CQ structure

The CQ creation flags do not need to be cached, as they are used
immediately at the point where they are stored. Remove the unused
field and reclaim 4 bytes.

Link: https://patch.msgid.link/20260213-refactor-umem-v1-14-f3be85847922@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 9ab3228323c6cafef2d7669030065855282c28dc..8535fd561691d76af295e5ed0bafb44546630443 100644 (file)
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -165,7 +165,6 @@ int mlx4_ib_create_user_cq(struct ib_cq *ibcq,
        cq->ibcq.cqe = entries - 1;
        mutex_init(&cq->resize_mutex);
        spin_lock_init(&cq->lock);
-       cq->create_flags = attr->flags;
        INIT_LIST_HEAD(&cq->send_qp_list);
        INIT_LIST_HEAD(&cq->recv_qp_list);
 
@@ -208,8 +207,7 @@ int mlx4_ib_create_user_cq(struct ib_cq *ibcq,
 
        err = mlx4_cq_alloc(dev->dev, entries, &cq->buf.mtt, &context->uar,
                            cq->db.dma, &cq->mcq, vector, 0,
-                           !!(cq->create_flags &
-                              IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION),
+                           attr->flags & IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION,
                            buf_addr, true);
        if (err)
                goto err_dbmap;

diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 96563c0836ce2c1a9c9f60377c5c70952e86328d..6a7ed5225c7dbdd42b42d863c7edcf0da2bce62d 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -122,7 +122,6 @@ struct mlx4_ib_cq {
        spinlock_t              lock;
        struct mutex            resize_mutex;
        struct ib_umem         *resize_umem;
-       int                     create_flags;
        /* List of qps that it serves.*/
        struct list_head                send_qp_list;
        struct list_head                recv_qp_list;