[Blackfin] serial driver: Fix bug serial driver in DMA mode spams history to console...

[linux-2.6-omap-h63xx.git] / drivers / net / xen-netfront.c

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index f464b82c7d5fe3f7795397b217d2459bdd85e211..7483d45bc5bccffefd18b4fa94122eb78d40460f 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -74,22 +74,12 @@ struct netfront_info {
 
        struct napi_struct napi;
 
-       struct xen_netif_tx_front_ring tx;
-       struct xen_netif_rx_front_ring rx;
-
-       spinlock_t   tx_lock;
-       spinlock_t   rx_lock;
-
        unsigned int evtchn;
+       struct xenbus_device *xbdev;
 
-       /* Receive-ring batched refills. */
-#define RX_MIN_TARGET 8
-#define RX_DFL_MIN_TARGET 64
-#define RX_MAX_TARGET min_t(int, NET_RX_RING_SIZE, 256)
-       unsigned rx_min_target, rx_max_target, rx_target;
-       struct sk_buff_head rx_batch;
-
-       struct timer_list rx_refill_timer;
+       spinlock_t   tx_lock;
+       struct xen_netif_tx_front_ring tx;
+       int tx_ring_ref;
 
        /*
         * {tx,rx}_skbs store outstanding skbuffs. Free tx_skb entries
@@ -108,14 +98,23 @@ struct netfront_info {
        grant_ref_t grant_tx_ref[NET_TX_RING_SIZE];
        unsigned tx_skb_freelist;
 
+       spinlock_t   rx_lock ____cacheline_aligned_in_smp;
+       struct xen_netif_rx_front_ring rx;
+       int rx_ring_ref;
+
+       /* Receive-ring batched refills. */
+#define RX_MIN_TARGET 8
+#define RX_DFL_MIN_TARGET 64
+#define RX_MAX_TARGET min_t(int, NET_RX_RING_SIZE, 256)
+       unsigned rx_min_target, rx_max_target, rx_target;
+       struct sk_buff_head rx_batch;
+
+       struct timer_list rx_refill_timer;
+
        struct sk_buff *rx_skbs[NET_RX_RING_SIZE];
        grant_ref_t gref_rx_head;
        grant_ref_t grant_rx_ref[NET_RX_RING_SIZE];
 
-       struct xenbus_device *xbdev;
-       int tx_ring_ref;
-       int rx_ring_ref;
-
        unsigned long rx_pfn_array[NET_RX_RING_SIZE];
        struct multicall_entry rx_mcl[NET_RX_RING_SIZE+1];
        struct mmu_update rx_mmu[NET_RX_RING_SIZE];
@@ -853,11 +852,6 @@ static int xennet_poll(struct napi_struct *napi, int budget)
 
        spin_lock(&np->rx_lock);
 
-       if (unlikely(!netif_carrier_ok(dev))) {
-               spin_unlock(&np->rx_lock);
-               return 0;
-       }
-
        skb_queue_head_init(&rxq);
        skb_queue_head_init(&errq);
        skb_queue_head_init(&tmpq);
@@ -1079,7 +1073,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np)
                if (!xen_feature(XENFEAT_auto_translated_physmap)) {
                        /* Do all the remapping work and M2P updates. */
                        MULTI_mmu_update(mcl, np->rx_mmu, mmu - np->rx_mmu,
-                                        0, DOMID_SELF);
+                                        NULL, DOMID_SELF);
                        mcl++;
                        HYPERVISOR_multicall(np->rx_mcl, mcl - np->rx_mcl);
                }
@@ -1527,7 +1521,7 @@ static int xennet_connect(struct net_device *dev)
 
        if (!feature_rx_copy) {
                dev_info(&dev->dev,
-                        "backend does not support copying recieve path");
+                        "backend does not support copying receive path\n");
                return -ENODEV;
        }