diff options
| author | Bob Pearson <rpearsonhpe@gmail.com> | 2022-01-27 15:37:35 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-01-28 14:33:28 -0400 |
| commit | d3f6899b0b5617e8900d6b1ae60414e611b1a0f1 (patch) | |
| tree | e51f66b5fbac22255b111c338f1d41b51a479bcf /drivers | |
| parent | 8a7fa872ff7922db1477208ba27cae6dd7e48012 (diff) | |
| download | linux-d3f6899b0b5617e8900d6b1ae60414e611b1a0f1.tar.bz2 | |
RDMA/rxe: Remove qp->grp_lock and qp->grp_list
Since it is no longer required to cleanup attachments to multicast
groups when a QP is destroyed qp->grp_lock and qp->grp_list are
no longer needed and are removed.
Link: https://lore.kernel.org/r/20220127213755.31697-7-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_mcast.c | 8 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_qp.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.h | 5 |
3 files changed, 0 insertions, 16 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mcast.c b/drivers/infiniband/sw/rxe/rxe_mcast.c index 39a41daa7a6b..9336295c4ee2 100644 --- a/drivers/infiniband/sw/rxe/rxe_mcast.c +++ b/drivers/infiniband/sw/rxe/rxe_mcast.c @@ -88,7 +88,6 @@ static int rxe_mcast_add_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_mca *elem; /* check to see of the qp is already a member of the group */ - spin_lock_bh(&qp->grp_lock); spin_lock_bh(&grp->mcg_lock); list_for_each_entry(elem, &grp->qp_list, qp_list) { if (elem->qp == qp) { @@ -113,16 +112,13 @@ static int rxe_mcast_add_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp, grp->num_qp++; elem->qp = qp; - elem->grp = grp; atomic_inc(&qp->mcg_num); list_add(&elem->qp_list, &grp->qp_list); - list_add(&elem->grp_list, &qp->grp_list); err = 0; out: spin_unlock_bh(&grp->mcg_lock); - spin_unlock_bh(&qp->grp_lock); return err; } @@ -136,18 +132,15 @@ static int rxe_mcast_drop_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp, if (!grp) goto err1; - spin_lock_bh(&qp->grp_lock); spin_lock_bh(&grp->mcg_lock); list_for_each_entry_safe(elem, tmp, &grp->qp_list, qp_list) { if (elem->qp == qp) { list_del(&elem->qp_list); - list_del(&elem->grp_list); grp->num_qp--; atomic_dec(&qp->mcg_num); spin_unlock_bh(&grp->mcg_lock); - spin_unlock_bh(&qp->grp_lock); rxe_drop_ref(elem); rxe_drop_ref(grp); /* ref held by QP */ rxe_drop_ref(grp); /* ref from get_key */ @@ -156,7 +149,6 @@ static int rxe_mcast_drop_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp, } spin_unlock_bh(&grp->mcg_lock); - spin_unlock_bh(&qp->grp_lock); rxe_drop_ref(grp); /* ref from get_key */ err1: return -EINVAL; diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index b975a5ca8db0..5f270cbf18c6 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -188,9 +188,6 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, break; } - INIT_LIST_HEAD(&qp->grp_list); - - spin_lock_init(&qp->grp_lock); spin_lock_init(&qp->state_lock); atomic_set(&qp->ssn, 0); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 4910d0782e33..55f8ed2bc621 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -232,9 +232,6 @@ struct rxe_qp { struct rxe_av pri_av; struct rxe_av alt_av; - /* list of mcast groups qp has joined (for cleanup) */ - struct list_head grp_list; - spinlock_t grp_lock; /* guard grp_list */ atomic_t mcg_num; struct sk_buff_head req_pkts; @@ -368,9 +365,7 @@ struct rxe_mcg { struct rxe_mca { struct rxe_pool_elem elem; struct list_head qp_list; - struct list_head grp_list; struct rxe_qp *qp; - struct rxe_mcg *grp; }; struct rxe_port { |