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path: root/drivers/infiniband/ulp/ipoib/ipoib_cm.c
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_cm.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 1377f85911c..933efcea0d0 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1030,10 +1030,20 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
.cap.max_send_sge = 1,
.sq_sig_type = IB_SIGNAL_ALL_WR,
.qp_type = IB_QPT_RC,
- .qp_context = tx
+ .qp_context = tx,
+ .create_flags = IB_QP_CREATE_USE_GFP_NOIO
};
- return ib_create_qp(priv->pd, &attr);
+ struct ib_qp *tx_qp;
+
+ tx_qp = ib_create_qp(priv->pd, &attr);
+ if (PTR_ERR(tx_qp) == -EINVAL) {
+ ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n",
+ priv->ca->name);
+ attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO;
+ tx_qp = ib_create_qp(priv->pd, &attr);
+ }
+ return tx_qp;
}
static int ipoib_cm_send_req(struct net_device *dev,
@@ -1104,12 +1114,14 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
struct ipoib_dev_priv *priv = netdev_priv(p->dev);
int ret;
- p->tx_ring = vzalloc(ipoib_sendq_size * sizeof *p->tx_ring);
+ p->tx_ring = __vmalloc(ipoib_sendq_size * sizeof *p->tx_ring,
+ GFP_NOIO, PAGE_KERNEL);
if (!p->tx_ring) {
ipoib_warn(priv, "failed to allocate tx ring\n");
ret = -ENOMEM;
goto err_tx;
}
+ memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring);
p->qp = ipoib_cm_create_tx_qp(p->dev, p);
if (IS_ERR(p->qp)) {