(Note: compile tested only)
Signed-off-by: Jeff Layton <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Jack Morgenstein <[email protected]>
Cc: Or Gerlitz <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: [email protected]
---
drivers/infiniband/hw/mlx4/cm.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index add98d0..524e168 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -204,7 +204,6 @@ static struct id_map_entry *
id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id)
{
int ret;
- static int next_id;
struct id_map_entry *ent;
struct mlx4_ib_sriov *sriov = &to_mdev(ibdev)->sriov;
@@ -223,9 +222,8 @@ id_map_alloc(struct ib_device *ibdev, int slave_id, u32
sl_cm_id)
idr_preload(GFP_KERNEL);
spin_lock(&to_mdev(ibdev)->sriov.id_map_lock);
- ret = idr_alloc(&sriov->pv_id_table, ent, next_id, 0, GFP_NOWAIT);
+ ret = idr_alloc_cyclic(&sriov->pv_id_table, ent, 0, 0, GFP_NOWAIT);
if (ret >= 0) {
- next_id = max(ret + 1, 0);
ent->pv_cm_id = (u32)ret;
sl_id_map_add(ibdev, ent);
list_add_tail(&ent->list, &sriov->cm_list);
@@ -361,7 +359,7 @@ void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev)
spin_lock_init(&dev->sriov.id_map_lock);
INIT_LIST_HEAD(&dev->sriov.cm_list);
dev->sriov.sl_id_map = RB_ROOT;
- idr_init(&dev->sriov.pv_id_table);
+ idr_init_cyclic(&dev->sriov.pv_id_table, 0);
}
/* slave = -1 ==> all slaves */
--
1.7.11.7
--
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