Linux-libre 4.5-gnu

3 files changed, 22 insertions, 66 deletions

diff --git a/net/rds/ib.c b/net/rds/ib.c
index f222885ac..9481d55ff 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -122,44 +122,34 @@ void rds_ib_dev_put(struct rds_ib_device *rds_ibdev)
 static void rds_ib_add_one(struct ib_device *device)
 {
 	struct rds_ib_device *rds_ibdev;
-	struct ib_device_attr *dev_attr;
 
 	/* Only handle IB (no iWARP) devices */
 	if (device->node_type != RDMA_NODE_IB_CA)
 		return;
 
-	dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL);
-	if (!dev_attr)
-		return;
-
-	if (ib_query_device(device, dev_attr)) {
-		rdsdebug("Query device failed for %s\n", device->name);
-		goto free_attr;
-	}
-
 	rds_ibdev = kzalloc_node(sizeof(struct rds_ib_device), GFP_KERNEL,
 				 ibdev_to_node(device));
 	if (!rds_ibdev)
-		goto free_attr;
+		return;
 
 	spin_lock_init(&rds_ibdev->spinlock);
 	atomic_set(&rds_ibdev->refcount, 1);
 	INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free);
 
-	rds_ibdev->max_wrs = dev_attr->max_qp_wr;
-	rds_ibdev->max_sge = min(dev_attr->max_sge, RDS_IB_MAX_SGE);
+	rds_ibdev->max_wrs = device->attrs.max_qp_wr;
+	rds_ibdev->max_sge = min(device->attrs.max_sge, RDS_IB_MAX_SGE);
 
-	rds_ibdev->fmr_max_remaps = dev_attr->max_map_per_fmr?: 32;
-	rds_ibdev->max_1m_fmrs = dev_attr->max_mr ?
-		min_t(unsigned int, (dev_attr->max_mr / 2),
+	rds_ibdev->fmr_max_remaps = device->attrs.max_map_per_fmr?: 32;
+	rds_ibdev->max_1m_fmrs = device->attrs.max_mr ?
+		min_t(unsigned int, (device->attrs.max_mr / 2),
 		      rds_ib_fmr_1m_pool_size) : rds_ib_fmr_1m_pool_size;
 
-	rds_ibdev->max_8k_fmrs = dev_attr->max_mr ?
-		min_t(unsigned int, ((dev_attr->max_mr / 2) * RDS_MR_8K_SCALE),
+	rds_ibdev->max_8k_fmrs = device->attrs.max_mr ?
+		min_t(unsigned int, ((device->attrs.max_mr / 2) * RDS_MR_8K_SCALE),
 		      rds_ib_fmr_8k_pool_size) : rds_ib_fmr_8k_pool_size;
 
-	rds_ibdev->max_initiator_depth = dev_attr->max_qp_init_rd_atom;
-	rds_ibdev->max_responder_resources = dev_attr->max_qp_rd_atom;
+	rds_ibdev->max_initiator_depth = device->attrs.max_qp_init_rd_atom;
+	rds_ibdev->max_responder_resources = device->attrs.max_qp_rd_atom;
 
 	rds_ibdev->dev = device;
 	rds_ibdev->pd = ib_alloc_pd(device);
@@ -183,7 +173,7 @@ static void rds_ib_add_one(struct ib_device *device)
 	}
 
 	rdsdebug("RDS/IB: max_mr = %d, max_wrs = %d, max_sge = %d, fmr_max_remaps = %d, max_1m_fmrs = %d, max_8k_fmrs = %d\n",
-		 dev_attr->max_fmr, rds_ibdev->max_wrs, rds_ibdev->max_sge,
+		 device->attrs.max_fmr, rds_ibdev->max_wrs, rds_ibdev->max_sge,
 		 rds_ibdev->fmr_max_remaps, rds_ibdev->max_1m_fmrs,
 		 rds_ibdev->max_8k_fmrs);
 
@@ -202,8 +192,6 @@ static void rds_ib_add_one(struct ib_device *device)
 
 put_dev:
 	rds_ib_dev_put(rds_ibdev);
-free_attr:
-	kfree(dev_attr);
 }
 
 /*
diff --git a/net/rds/iw.c b/net/rds/iw.c
index 576f1825f..f4a9fff82 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -60,30 +60,20 @@ LIST_HEAD(iw_nodev_conns);
 static void rds_iw_add_one(struct ib_device *device)
 {
 	struct rds_iw_device *rds_iwdev;
-	struct ib_device_attr *dev_attr;
 
 	/* Only handle iwarp devices */
 	if (device->node_type != RDMA_NODE_RNIC)
 		return;
 
-	dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL);
-	if (!dev_attr)
-		return;
-
-	if (ib_query_device(device, dev_attr)) {
-		rdsdebug("Query device failed for %s\n", device->name);
-		goto free_attr;
-	}
-
 	rds_iwdev = kmalloc(sizeof *rds_iwdev, GFP_KERNEL);
 	if (!rds_iwdev)
-		goto free_attr;
+		return;
 
 	spin_lock_init(&rds_iwdev->spinlock);
 
-	rds_iwdev->dma_local_lkey = !!(dev_attr->device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY);
-	rds_iwdev->max_wrs = dev_attr->max_qp_wr;
-	rds_iwdev->max_sge = min(dev_attr->max_sge, RDS_IW_MAX_SGE);
+	rds_iwdev->dma_local_lkey = !!(device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY);
+	rds_iwdev->max_wrs = device->attrs.max_qp_wr;
+	rds_iwdev->max_sge = min(device->attrs.max_sge, RDS_IW_MAX_SGE);
 
 	rds_iwdev->dev = device;
 	rds_iwdev->pd = ib_alloc_pd(device);
@@ -111,8 +101,7 @@ static void rds_iw_add_one(struct ib_device *device)
 	list_add_tail(&rds_iwdev->list, &rds_iw_devices);
 
 	ib_set_client_data(device, &rds_iw_client, rds_iwdev);
-
-	goto free_attr;
+	return;
 
 err_mr:
 	if (rds_iwdev->mr)
@@ -121,8 +110,6 @@ err_pd:
 	ib_dealloc_pd(rds_iwdev->pd);
 free_dev:
 	kfree(rds_iwdev);
-free_attr:
-	kfree(dev_attr);
 }
 
 static void rds_iw_remove_one(struct ib_device *device, void *client_data)
diff --git a/net/rds/page.c b/net/rds/page.c
index 9005a2c92..5a14e6d6a 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -179,37 +179,18 @@ out:
 }
 EXPORT_SYMBOL_GPL(rds_page_remainder_alloc);
 
-static int rds_page_remainder_cpu_notify(struct notifier_block *self,
-					 unsigned long action, void *hcpu)
+void rds_page_exit(void)
 {
-	struct rds_page_remainder *rem;
-	long cpu = (long)hcpu;
+	unsigned int cpu;
 
-	rem = &per_cpu(rds_page_remainders, cpu);
+	for_each_possible_cpu(cpu) {
+		struct rds_page_remainder *rem;
 
-	rdsdebug("cpu %ld action 0x%lx\n", cpu, action);
+		rem = &per_cpu(rds_page_remainders, cpu);
+		rdsdebug("cpu %u\n", cpu);
 
-	switch (action) {
-	case CPU_DEAD:
 		if (rem->r_page)
 			__free_page(rem->r_page);
 		rem->r_page = NULL;
-		break;
 	}
-
-	return 0;
-}
-
-static struct notifier_block rds_page_remainder_nb = {
-	.notifier_call = rds_page_remainder_cpu_notify,
-};
-
-void rds_page_exit(void)
-{
-	int i;
-
-	for_each_possible_cpu(i)
-		rds_page_remainder_cpu_notify(&rds_page_remainder_nb,
-					      (unsigned long)CPU_DEAD,
-					      (void *)(long)i);
 }