From: David S. Miller <davem@davemloft.net>
Date: Sat, 29 Oct 2016 21:18:17 +0000 (-0400)
Subject: Revert "ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context"
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=dbc34e73c2bee4ff66c3a6b0ea5d65c25a6b6994

Revert "ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context"

This reverts commit 8d7533e5aaad1c94386a8101a36b0617987966b7.

It introduced kbuild failures, new version coming.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 0459d19a5f16..213162df1a9b 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3232,27 +3232,6 @@ static void ibmvnic_free_inflight(struct ibmvnic_adapter *adapter)
 	spin_unlock_irqrestore(&adapter->inflight_lock, flags);
 }
 
-static void ibmvnic_xport_event(struct work_struct *work)
-{
-	struct ibmvnic_adapter *adapter = container_of(work,
-						       struct ibmvnic_adapter,
-						       ibmvnic_xport);
-	struct device *dev = &adapter->vdev->dev;
-	int rc;
-
-	ibmvnic_free_inflight(adapter);
-	release_sub_crqs(adapter);
-	if (adapter->migrated) {
-		rc = ibmvnic_reenable_crq_queue(adapter);
-		if (rc)
-			dev_err(dev, "Error after enable rc=%ld\n", rc);
-		adapter->migrated = false;
-		rc = ibmvnic_send_crq_init(adapter);
-		if (rc)
-			dev_err(dev, "Error sending init rc=%ld\n", rc);
-	}
-}
-
 static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
 			       struct ibmvnic_adapter *adapter)
 {
@@ -3288,7 +3267,15 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
 		if (gen_crq->cmd == IBMVNIC_PARTITION_MIGRATED) {
 			dev_info(dev, "Re-enabling adapter\n");
 			adapter->migrated = true;
-			schedule_work(&adapter->ibmvnic_xport);
+			ibmvnic_free_inflight(adapter);
+			release_sub_crqs(adapter);
+			rc = ibmvnic_reenable_crq_queue(adapter);
+			if (rc)
+				dev_err(dev, "Error after enable rc=%ld\n", rc);
+			adapter->migrated = false;
+			rc = ibmvnic_send_crq_init(adapter);
+			if (rc)
+				dev_err(dev, "Error sending init rc=%ld\n", rc);
 		} else if (gen_crq->cmd == IBMVNIC_DEVICE_FAILOVER) {
 			dev_info(dev, "Backing device failover detected\n");
 			netif_carrier_off(netdev);
@@ -3297,7 +3284,8 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
 			/* The adapter lost the connection */
 			dev_err(dev, "Virtual Adapter failed (rc=%d)\n",
 				gen_crq->cmd);
-			schedule_work(&adapter->ibmvnic_xport);
+			ibmvnic_free_inflight(adapter);
+			release_sub_crqs(adapter);
 		}
 		return;
 	case IBMVNIC_CRQ_CMD_RSP:
@@ -3738,7 +3726,6 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
 	SET_NETDEV_DEV(netdev, &dev->dev);
 
 	INIT_WORK(&adapter->vnic_crq_init, handle_crq_init_rsp);
-	INIT_WORK(&adapter->ibmvnic_xport, ibmvnic_xport_event);
 
 	spin_lock_init(&adapter->stats_lock);
 
diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index dd775d951b73..878e2c059f5c 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -1048,6 +1048,5 @@ struct ibmvnic_adapter {
 	u8 map_id;
 
 	struct work_struct vnic_crq_init;
-	struct work_struct ibmvnic_xport;
 	bool failover;
 };