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authorBob Pearson <rpearsonhpe@gmail.com>2022-04-21 04:40:37 +0300
committerJason Gunthorpe <jgg@nvidia.com>2022-05-09 15:03:45 +0300
commited2b5dd0f895f80c30e28de63ce607c2f139318e (patch)
tree6c8b64d82bb830bfe2f20071a3ab87bcd534fc8d /drivers
parent4e05a4b329e9416e5aded022feacde4385148f21 (diff)
downloadlinux-ed2b5dd0f895f80c30e28de63ce607c2f139318e.tar.xz
RDMA/rxe: Move qp cleanup code to rxe_qp_do_cleanup()
Move the code from rxe_qp_destroy() to rxe_qp_do_cleanup(). This allows flows holding references to qp to complete before the qp object is torn down. Link: https://lore.kernel.org/r/20220421014042.26985-5-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_loc.h1
-rw-r--r--drivers/infiniband/sw/rxe/rxe_qp.c12
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c1
3 files changed, 4 insertions, 10 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 18f3c5dac381..0e022ae1b8a5 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -114,7 +114,6 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr,
int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask);
void rxe_qp_error(struct rxe_qp *qp);
int rxe_qp_chk_destroy(struct rxe_qp *qp);
-void rxe_qp_destroy(struct rxe_qp *qp);
void rxe_qp_cleanup(struct rxe_pool_elem *elem);
static inline int qp_num(struct rxe_qp *qp)
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index ff58f76347c9..a8011757784e 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -765,9 +765,11 @@ int rxe_qp_chk_destroy(struct rxe_qp *qp)
return 0;
}
-/* called by the destroy qp verb */
-void rxe_qp_destroy(struct rxe_qp *qp)
+/* called when the last reference to the qp is dropped */
+static void rxe_qp_do_cleanup(struct work_struct *work)
{
+ struct rxe_qp *qp = container_of(work, typeof(*qp), cleanup_work.work);
+
qp->valid = 0;
qp->qp_timeout_jiffies = 0;
rxe_cleanup_task(&qp->resp.task);
@@ -786,12 +788,6 @@ void rxe_qp_destroy(struct rxe_qp *qp)
__rxe_do_task(&qp->comp.task);
__rxe_do_task(&qp->req.task);
}
-}
-
-/* called when the last reference to the qp is dropped */
-static void rxe_qp_do_cleanup(struct work_struct *work)
-{
- struct rxe_qp *qp = container_of(work, typeof(*qp), cleanup_work.work);
if (qp->sq.queue)
rxe_queue_cleanup(qp->sq.queue);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 5282162faa1c..198afb055b06 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -485,7 +485,6 @@ static int rxe_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
if (ret)
return ret;
- rxe_qp_destroy(qp);
rxe_put(qp);
return 0;
}