[PATCH 4.14 042/217] IB/rxe: Fix missing completion for mem_reg work requests

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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vijay Immanuel <vijayi@xxxxxxxxxxxxxxxxx>

[ Upstream commit 375dc53d032fc11e98036b5f228ad13f7c5933f5 ]

Run the completer task to post a work completion after processing
a memory registration or invalidate work request. This covers the
case where the memory registration or invalidate was the last work
request posted to the qp.

Signed-off-by: Vijay Immanuel <vijayi@xxxxxxxxxxxxxxxxx>
Reviewed-by: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/infiniband/sw/rxe/rxe_req.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -645,6 +645,9 @@ next_wqe:
 		} else {
 			goto exit;
 		}
+		if ((wqe->wr.send_flags & IB_SEND_SIGNALED) ||
+		    qp->sq_sig_type == IB_SIGNAL_ALL_WR)
+			rxe_run_task(&qp->comp.task, 1);
 		qp->req.wqe_index = next_index(qp->sq.queue,
 						qp->req.wqe_index);
 		goto next_wqe;





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