---

yaml
---
r: 229279
b: refs/heads/master
c: dd04e43
h: refs/heads/master
i:
  229277: 812a8ef
  229275: eed471a
  229271: aa42c28
  229263: 0ae106e
  229247: 2f5525b
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 994bcd28a36af1413381dfe0aac065e2cbc2af40
+refs/heads/master: dd04e43d46ad7a4e625a9ff3b270dc0db9abe81d

trunk/drivers/infiniband/hw/qib/qib_rc.c

@@ -1407,13 +1407,37 @@ static void qib_rc_rcv_resp(struct qib_ibport *ibp,
 			    struct qib_ctxtdata *rcd)
 {
 	struct qib_swqe *wqe;
+	struct qib_pportdata *ppd = ppd_from_ibp(ibp);
 	enum ib_wc_status status;
 	unsigned long flags;
 	int diff;
 	u32 pad;
 	u32 aeth;
 	u64 val;
 
+	if (opcode != OP(RDMA_READ_RESPONSE_MIDDLE)) {
+		/*
+		 * If ACK'd PSN on SDMA busy list try to make progress to
+		 * reclaim SDMA credits.
+		 */
+		if ((qib_cmp24(psn, qp->s_sending_psn) >= 0) &&
+		    (qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)) {
+
+			/*
+			 * If send tasklet not running attempt to progress
+			 * SDMA queue.
+			 */
+			if (!(qp->s_flags & QIB_S_BUSY)) {
+				/* Acquire SDMA Lock */
+				spin_lock_irqsave(&ppd->sdma_lock, flags);
+				/* Invoke sdma make progress */
+				qib_sdma_make_progress(ppd);
+				/* Release SDMA Lock */
+				spin_unlock_irqrestore(&ppd->sdma_lock, flags);
+			}
+		}
+	}
+
 	spin_lock_irqsave(&qp->s_lock, flags);
 
 	/* Ignore invalid responses. */