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path: root/drivers/infiniband/hw/mthca/mthca_qp.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_qp.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 7a5b25d13faa..d65b189f20ea 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1809,11 +1809,6 @@ out:
(qp->qpn << 8) | size0,
dev->kar + MTHCA_SEND_DOORBELL,
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
- /*
- * Make sure doorbells don't leak out of SQ spinlock
- * and reach the HCA out of order:
- */
- mmiowb();
}
qp->sq.next_ind = ind;
@@ -1924,12 +1919,6 @@ out:
qp->rq.next_ind = ind;
qp->rq.head += nreq;
- /*
- * Make sure doorbells don't leak out of RQ spinlock and reach
- * the HCA out of order:
- */
- mmiowb();
-
spin_unlock_irqrestore(&qp->rq.lock, flags);
return err;
}
@@ -2164,12 +2153,6 @@ out:
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
}
- /*
- * Make sure doorbells don't leak out of SQ spinlock and reach
- * the HCA out of order:
- */
- mmiowb();
-
spin_unlock_irqrestore(&qp->sq.lock, flags);
return err;
}