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authorMatthew Wilcox <willy@infradead.org>2019-02-20 16:20:47 -0800
committerJason Gunthorpe <jgg@mellanox.com>2019-03-25 15:34:22 -0300
commita2f409713e44ff59f704e00b3ec91fed1c19168b (patch)
tree5979718b994ef13180025788300ffcc767f682c7 /drivers/infiniband/hw/cxgb3/iwch_provider.c
parentLinux 5.1-rc2 (diff)
downloadlinux-dev-a2f409713e44ff59f704e00b3ec91fed1c19168b.tar.xz
linux-dev-a2f409713e44ff59f704e00b3ec91fed1c19168b.zip
cxgb3: Convert cqidr to XArray
It would make sense to convert this to an allocating XArray and remove the kfifo that is currently used to allocate the CQID, but that work is better done by someone who has the hardware to test with. Signed-off-by: Matthew Wilcox <willy@infradead.org> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch_provider.c')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 4accf7b3dcf2..08e5ccf96394 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -95,7 +95,7 @@ static int iwch_destroy_cq(struct ib_cq *ib_cq)
pr_debug("%s ib_cq %p\n", __func__, ib_cq);
chp = to_iwch_cq(ib_cq);
- remove_handle(chp->rhp, &chp->rhp->cqidr, chp->cq.cqid);
+ xa_erase_irq(&chp->rhp->cqs, chp->cq.cqid);
atomic_dec(&chp->refcnt);
wait_event(chp->wait, !atomic_read(&chp->refcnt));
@@ -164,7 +164,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev,
spin_lock_init(&chp->comp_handler_lock);
atomic_set(&chp->refcnt, 1);
init_waitqueue_head(&chp->wait);
- if (insert_handle(rhp, &rhp->cqidr, chp, chp->cq.cqid)) {
+ if (xa_store_irq(&rhp->cqs, chp->cq.cqid, chp, GFP_KERNEL)) {
cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
kfree(chp);
return ERR_PTR(-ENOMEM);