Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus

1 files changed, 18 insertions, 12 deletions

diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 979f3fc5e765..98a6bbd11d4c 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -557,9 +557,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
 
         for (i = 0; i < SGE_RXQ_PER_SET; ++i)
                 if (q->fl[i].desc) {
-                        spin_lock(&adapter->sge.reg_lock);
+                        spin_lock_irq(&adapter->sge.reg_lock);
                         t3_sge_disable_fl(adapter, q->fl[i].cntxt_id);
-                        spin_unlock(&adapter->sge.reg_lock);
+                        spin_unlock_irq(&adapter->sge.reg_lock);
                         free_rx_bufs(pdev, &q->fl[i]);
                         kfree(q->fl[i].sdesc);
                         dma_free_coherent(&pdev->dev,
@@ -570,9 +570,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
 
         for (i = 0; i < SGE_TXQ_PER_SET; ++i)
                 if (q->txq[i].desc) {
-                        spin_lock(&adapter->sge.reg_lock);
+                        spin_lock_irq(&adapter->sge.reg_lock);
                         t3_sge_enable_ecntxt(adapter, q->txq[i].cntxt_id, 0);
-                        spin_unlock(&adapter->sge.reg_lock);
+                        spin_unlock_irq(&adapter->sge.reg_lock);
                         if (q->txq[i].sdesc) {
                                 free_tx_desc(adapter, &q->txq[i],
                                              q->txq[i].in_use);
@@ -586,9 +586,9 @@ static void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
                 }
 
         if (q->rspq.desc) {
-                spin_lock(&adapter->sge.reg_lock);
+                spin_lock_irq(&adapter->sge.reg_lock);
                 t3_sge_disable_rspcntxt(adapter, q->rspq.cntxt_id);
-                spin_unlock(&adapter->sge.reg_lock);
+                spin_unlock_irq(&adapter->sge.reg_lock);
                 dma_free_coherent(&pdev->dev,
                                   q->rspq.size * sizeof(struct rsp_desc),
                                   q->rspq.desc, q->rspq.phys_addr);
@@ -1107,9 +1107,15 @@ int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
         }
 
         q->in_use += ndesc;
-        if (unlikely(credits - ndesc < q->stop_thres))
-                if (USE_GTS || !should_restart_tx(q))
-                        t3_stop_queue(dev, qs, q);
+        if (unlikely(credits - ndesc < q->stop_thres)) {
+                t3_stop_queue(dev, qs, q);
+
+                if (should_restart_tx(q) &&
+                    test_and_clear_bit(TXQ_ETH, &qs->txq_stopped)) {
+                        q->restarts++;
+                        netif_wake_queue(dev);
+                }
+        }
 
         gen = q->gen;
         q->unacked += ndesc;
@@ -2661,7 +2667,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
                 (16 * 1024) - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
                 MAX_FRAME_SIZE + 2 + sizeof(struct cpl_rx_pkt);
 
-        spin_lock(&adapter->sge.reg_lock);
+        spin_lock_irq(&adapter->sge.reg_lock);
 
         /* FL threshold comparison uses < */
         ret = t3_sge_init_rspcntxt(adapter, q->rspq.cntxt_id, irq_vec_idx,
@@ -2705,7 +2711,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
                         goto err_unlock;
         }
 
-        spin_unlock(&adapter->sge.reg_lock);
+        spin_unlock_irq(&adapter->sge.reg_lock);
 
         q->adap = adapter;
         q->netdev = dev;
@@ -2722,7 +2728,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
         return 0;
 
       err_unlock:
-        spin_unlock(&adapter->sge.reg_lock);
+        spin_unlock_irq(&adapter->sge.reg_lock);
       err:
         t3_free_qset(adapter, q);
         return ret;