diff mbox series

[for-next,v14,04/10] RDMA/rxe: Move qp cleanup code to rxe_qp_do_cleanup()

Message ID 20220421014042.26985-5-rpearsonhpe@gmail.com (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series Fix race conditions in rxe_pool | expand

Commit Message

Bob Pearson April 21, 2022, 1:40 a.m. UTC
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.

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_loc.h   |  1 -
 drivers/infiniband/sw/rxe/rxe_qp.c    | 12 ++++--------
 drivers/infiniband/sw/rxe/rxe_verbs.c |  1 -
 3 files changed, 4 insertions(+), 10 deletions(-)
diff mbox series

Patch

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 30491b976d39..8585b1096538 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -490,7 +490,6 @@  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;
 }