Merge tag 'uuid-for-4.13-2' of git://git.infradead.org/users/hch/uuid

[linux.git] / drivers / infiniband / ulp / ipoib / ipoib_cm.c

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 7cbcfdac6529cc5a93f43212a3d05744985f814c..f87d104837dcfab7f0e35b5b7fcae1e021599bfc 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -39,6 +39,7 @@
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
 #include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
 
 #include "ipoib.h"
 
@@ -954,7 +955,7 @@ void ipoib_cm_dev_stop(struct net_device *dev)
                        break;
                }
                spin_unlock_irq(&priv->lock);
-               msleep(1);
+               usleep_range(1000, 2000);
                ipoib_drain_cq(dev);
                spin_lock_irq(&priv->lock);
        }
@@ -1047,9 +1048,8 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
                .sq_sig_type            = IB_SIGNAL_ALL_WR,
                .qp_type                = IB_QPT_RC,
                .qp_context             = tx,
-               .create_flags           = IB_QP_CREATE_USE_GFP_NOIO
+               .create_flags           = 0
        };
-
        struct ib_qp *tx_qp;
 
        if (dev->features & NETIF_F_SG)
@@ -1057,10 +1057,6 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
                        min_t(u32, priv->ca->attrs.max_sge, MAX_SKB_FRAGS + 1);
 
        tx_qp = ib_create_qp(priv->pd, &attr);
-       if (PTR_ERR(tx_qp) == -EINVAL) {
-               attr.create_flags &= ~IB_QP_CREATE_USE_GFP_NOIO;
-               tx_qp = ib_create_qp(priv->pd, &attr);
-       }
        tx->max_send_sge = attr.cap.max_send_sge;
        return tx_qp;
 }
@@ -1131,10 +1127,11 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
                            struct sa_path_rec *pathrec)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(p->dev);
+       unsigned int noio_flag;
        int ret;
 
-       p->tx_ring = __vmalloc(ipoib_sendq_size * sizeof *p->tx_ring,
-                              GFP_NOIO, PAGE_KERNEL);
+       noio_flag = memalloc_noio_save();
+       p->tx_ring = vzalloc(ipoib_sendq_size * sizeof(*p->tx_ring));
        if (!p->tx_ring) {
                ret = -ENOMEM;
                goto err_tx;
@@ -1142,9 +1139,10 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
        memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring);
 
        p->qp = ipoib_cm_create_tx_qp(p->dev, p);
+       memalloc_noio_restore(noio_flag);
        if (IS_ERR(p->qp)) {
                ret = PTR_ERR(p->qp);
-               ipoib_warn(priv, "failed to allocate tx qp: %d\n", ret);
+               ipoib_warn(priv, "failed to create tx qp: %d\n", ret);
                goto err_qp;
        }
 
@@ -1206,7 +1204,7 @@ static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p)
                                goto timeout;
                        }
 
-                       msleep(1);
+                       usleep_range(1000, 2000);
                }
        }