Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely)
  ipv4: Add a missing rcu_assign_pointer() in routing cache.
  [netdrvr] ibmtr: PCMCIA IBMTR is ok on 64bit
  xen-netfront: Avoid unaligned accesses to IP header
  lmc: copy_*_user under spinlock
  [netdrvr] myri10ge, ixgbe: remove broken select INTEL_IOATDMA

28 files changed, 96 insertions, 89 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 1d8af3348331..ad301ace6085 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2410,7 +2410,6 @@ config IXGBE
         tristate "Intel(R) 10GbE PCI Express adapters support"
         depends on PCI && INET
         select INET_LRO
-        select INTEL_IOATDMA
         ---help---
           This driver supports Intel(R) 10GbE PCI Express family of
           adapters.  For more information on how to identify your adapter, go
@@ -2426,6 +2425,11 @@ config IXGBE
           To compile this driver as a module, choose M here. The module
           will be called ixgbe.
 
+config IXGBE_DCA
+        bool
+        default y
+        depends on IXGBE && DCA && !(IXGBE=y && DCA=m)
+
 config IXGB
         tristate "Intel(R) PRO/10GbE support"
         depends on PCI
@@ -2462,7 +2466,6 @@ config MYRI10GE
         select FW_LOADER
         select CRC32
         select INET_LRO
-        select INTEL_IOATDMA
         ---help---
           This driver supports Myricom Myri-10G Dual Protocol interface in
           Ethernet mode. If the eeprom on your board is not recent enough,
@@ -2474,6 +2477,11 @@ config MYRI10GE
           To compile this driver as a module, choose M here. The module
           will be called myri10ge.
 
+config MYRI10GE_DCA
+        bool
+        default y
+        depends on MYRI10GE && DCA && !(MYRI10GE=y && DCA=m)
+
 config NETXEN_NIC
         tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC"
         depends on PCI
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 2198b77c53ed..e116d340dcc6 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -36,7 +36,7 @@
 #include "ixgbe_type.h"
 #include "ixgbe_common.h"
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 #include <linux/dca.h>
 #endif
 
@@ -136,7 +136,7 @@ struct ixgbe_ring {
                       * offset associated with this ring, which is different
                       * for DCE and RSS modes */
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         /* cpu for tx queue */
         int cpu;
 #endif
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index ca17af4349d0..7548fb7360d9 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -80,7 +80,7 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static int ixgbe_notify_dca(struct notifier_block *, unsigned long event,
                             void *p);
 static struct notifier_block dca_notifier = {
@@ -296,7 +296,7 @@ done_cleaning:
         return (total_packets ? true : false);
 }
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
                                 struct ixgbe_ring *rx_ring)
 {
@@ -383,7 +383,7 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
         return 0;
 }
 
-#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */
+#endif /* CONFIG_IXGBE_DCA */
 /**
  * ixgbe_receive_skb - Send a completed packet up the stack
  * @adapter: board private structure
@@ -947,7 +947,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
         r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues);
         for (i = 0; i < q_vector->txr_count; i++) {
                 tx_ring = &(adapter->tx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
                 if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
                         ixgbe_update_tx_dca(adapter, tx_ring);
 #endif
@@ -1022,7 +1022,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
 
         r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
         rx_ring = &(adapter->rx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
                 ixgbe_update_rx_dca(adapter, rx_ring);
 #endif
@@ -1066,7 +1066,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget)
         r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
         for (i = 0; i < q_vector->rxr_count; i++) {
                 rx_ring = &(adapter->rx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
                 if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
                         ixgbe_update_rx_dca(adapter, rx_ring);
 #endif
@@ -2155,7 +2155,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
         netif_carrier_off(netdev);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
                 adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
                 dca_remove_requester(&adapter->pdev->dev);
@@ -2167,7 +2167,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
         ixgbe_clean_all_tx_rings(adapter);
         ixgbe_clean_all_rx_rings(adapter);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         /* since we reset the hardware DCA settings were cleared */
         if (dca_add_requester(&adapter->pdev->dev) == 0) {
                 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
@@ -2193,7 +2193,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget)
         struct ixgbe_adapter *adapter = q_vector->adapter;
         int tx_cleaned, work_done = 0;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
                 ixgbe_update_tx_dca(adapter, adapter->tx_ring);
                 ixgbe_update_rx_dca(adapter, adapter->rx_ring);
@@ -3922,7 +3922,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
         if (err)
                 goto err_register;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         if (dca_add_requester(&pdev->dev) == 0) {
                 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
                 /* always use CB2 mode, difference is masked
@@ -3972,7 +3972,7 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 
         flush_scheduled_work();
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
                 adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
                 dca_remove_requester(&pdev->dev);
@@ -4105,10 +4105,10 @@ static int __init ixgbe_init_module(void)
 
         printk(KERN_INFO "%s: %s\n", ixgbe_driver_name, ixgbe_copyright);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         dca_register_notify(&dca_notifier);
-
 #endif
+
         ret = pci_register_driver(&ixgbe_driver);
         return ret;
 }
@@ -4123,13 +4123,13 @@ module_init(ixgbe_init_module);
  **/
 static void __exit ixgbe_exit_module(void)
 {
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
         dca_unregister_notify(&dca_notifier);
 #endif
         pci_unregister_driver(&ixgbe_driver);
 }
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
                             void *p)
 {
@@ -4140,7 +4140,7 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
 
         return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
 }
-#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */
+#endif /* CONFIG_IXGBE_DCA */
 
 module_exit(ixgbe_exit_module);
 
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 6dce901c7f45..a9aebad52652 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -188,7 +188,7 @@ struct myri10ge_slice_state {
         dma_addr_t fw_stats_bus;
         int watchdog_tx_done;
         int watchdog_tx_req;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         int cached_dca_tag;
         int cpu;
         __be32 __iomem *dca_tag;
@@ -220,7 +220,7 @@ struct myri10ge_priv {
         int msi_enabled;
         int msix_enabled;
         struct msix_entry *msix_vectors;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         int dca_enabled;
 #endif
         u32 link_state;
@@ -902,7 +902,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         struct myri10ge_slice_state *ss;
         int i, status;
         size_t bytes;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         unsigned long dca_tag_off;
 #endif
 
@@ -1012,7 +1012,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         }
         put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_DCA_OFFSET, &cmd, 0);
         dca_tag_off = cmd.data0;
         for (i = 0; i < mgp->num_slices; i++) {
@@ -1051,7 +1051,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         return status;
 }
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 static void
 myri10ge_write_dca(struct myri10ge_slice_state *ss, int cpu, int tag)
 {
@@ -1505,7 +1505,7 @@ static int myri10ge_poll(struct napi_struct *napi, int budget)
         struct net_device *netdev = ss->mgp->dev;
         int work_done;
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         if (ss->mgp->dca_enabled)
                 myri10ge_update_dca(ss);
 #endif
@@ -1736,7 +1736,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
         "tx_boundary", "WC", "irq", "MSI", "MSIX",
         "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
         "serial_number", "watchdog_resets",
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         "dca_capable_firmware", "dca_device_present",
 #endif
         "link_changes", "link_up", "dropped_link_overflow",
@@ -1815,7 +1815,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
         data[i++] = (unsigned int)mgp->read_write_dma;
         data[i++] = (unsigned int)mgp->serial_number;
         data[i++] = (unsigned int)mgp->watchdog_resets;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         data[i++] = (unsigned int)(mgp->ss[0].dca_tag != NULL);
         data[i++] = (unsigned int)(mgp->dca_enabled);
 #endif
@@ -3844,7 +3844,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 dev_err(&pdev->dev, "failed reset\n");
                 goto abort_with_slices;
         }
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         myri10ge_setup_dca(mgp);
 #endif
         pci_set_drvdata(pdev, mgp);
@@ -3948,7 +3948,7 @@ static void myri10ge_remove(struct pci_dev *pdev)
         netdev = mgp->dev;
         unregister_netdev(netdev);
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         myri10ge_teardown_dca(mgp);
 #endif
         myri10ge_dummy_rdma(mgp, 0);
@@ -3993,7 +3993,7 @@ static struct pci_driver myri10ge_driver = {
 #endif
 };
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 static int
 myri10ge_notify_dca(struct notifier_block *nb, unsigned long event, void *p)
 {
@@ -4024,7 +4024,7 @@ static __init int myri10ge_init_module(void)
                        myri10ge_driver.name, myri10ge_rss_hash);
                 myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
         }
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         dca_register_notify(&myri10ge_dca_notifier);
 #endif
         if (myri10ge_max_slices > MYRI10GE_MAX_SLICES)
@@ -4037,7 +4037,7 @@ module_init(myri10ge_init_module);
 
 static __exit void myri10ge_cleanup_module(void)
 {
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
         dca_unregister_notify(&myri10ge_dca_notifier);
 #endif
         pci_unregister_driver(&myri10ge_driver);
diff --git a/drivers/net/pcmcia/Kconfig b/drivers/net/pcmcia/Kconfig
index e8f55d8ed7a9..9b8f793b1cc8 100644
--- a/drivers/net/pcmcia/Kconfig
+++ b/drivers/net/pcmcia/Kconfig
@@ -111,7 +111,7 @@ config ARCNET_COM20020_CS
 
 config PCMCIA_IBMTR
         tristate "IBM PCMCIA tokenring adapter support"
-        depends on IBMTR!=y && TR && !64BIT
+        depends on IBMTR!=y && TR
         help
           Say Y here if you intend to attach this type of Token Ring PCMCIA
           card to your computer. You then also need to say Y to "Token Ring
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index f80640f5a744..d7bb63e616b5 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -122,7 +122,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
      * Most functions mess with the structure
      * Disable interrupts while we do the polling
      */
-    spin_lock_irqsave(&sc->lmc_lock, flags);
 
     switch (cmd) {
         /*
@@ -152,6 +151,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                 break;
         }
 
+        spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_media->set_status (sc, &ctl);
 
         if(ctl.crc_length != sc->ictl.crc_length) {
@@ -161,6 +161,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
             else
                 sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE;
         }
+        spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         ret = 0;
         break;
@@ -187,15 +188,18 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                 break;                          /* no change */
             }
             
+            spin_lock_irqsave(&sc->lmc_lock, flags);
             lmc_proto_close(sc);
 
             sc->if_type = new_type;
             lmc_proto_attach(sc);
             ret = lmc_proto_open(sc);
+            spin_unlock_irqrestore(&sc->lmc_lock, flags);
             break;
         }
 
     case LMCIOCGETXINFO: /*fold01*/
+        spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_xinfo.Magic0 = 0xBEEFCAFE;
 
         sc->lmc_xinfo.PciCardType = sc->lmc_cardtype;
@@ -208,6 +212,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ;
         sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc);
         sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16);
+        spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         sc->lmc_xinfo.Magic1 = 0xDEADBEEF;
 
@@ -220,6 +225,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         break;
 
     case LMCIOCGETLMCSTATS:
+            spin_lock_irqsave(&sc->lmc_lock, flags);
             if (sc->lmc_cardtype == LMC_CARDTYPE_T1) {
                     lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB);
                     sc->extra_stats.framingBitErrorCount +=
@@ -243,6 +249,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                     sc->extra_stats.severelyErroredFrameCount +=
                             regVal & T1FRAMER_SEF_MASK;
             }
+            spin_unlock_irqrestore(&sc->lmc_lock, flags);
             if (copy_to_user(ifr->ifr_data, &sc->lmc_device->stats,
                              sizeof(sc->lmc_device->stats)) ||
                 copy_to_user(ifr->ifr_data + sizeof(sc->lmc_device->stats),
@@ -258,12 +265,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                     break;
             }
 
+            spin_lock_irqsave(&sc->lmc_lock, flags);
             memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats));
             memset(&sc->extra_stats, 0, sizeof(sc->extra_stats));
             sc->extra_stats.check = STATCHECK;
             sc->extra_stats.version_size = (DRIVER_VERSION << 16) +
                     sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats);
             sc->extra_stats.lmc_cardtype = sc->lmc_cardtype;
+            spin_unlock_irqrestore(&sc->lmc_lock, flags);
             ret = 0;
             break;
 
@@ -282,8 +291,10 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                 ret = -EFAULT;
                 break;
         }
+        spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_media->set_circuit_type(sc, ctl.circuit_type);
         sc->ictl.circuit_type = ctl.circuit_type;
+        spin_unlock_irqrestore(&sc->lmc_lock, flags);
         ret = 0;
 
         break;
@@ -294,12 +305,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
             break;
         }
 
+        spin_lock_irqsave(&sc->lmc_lock, flags);
         /* Reset driver and bring back to current state */
         printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
         lmc_running_reset (dev);
         printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
 
         LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16));
+        spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         ret = 0;
         break;
@@ -338,14 +351,15 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
              */
             netif_stop_queue(dev);
 
-        if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
+            if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
                 ret = -EFAULT;
                 break;
-        }
+            }
             switch(xc.command){
             case lmc_xilinx_reset: /*fold02*/
                 {
                     u16 mii;
+                    spin_lock_irqsave(&sc->lmc_lock, flags);
                     mii = lmc_mii_readreg (sc, 0, 16);
 
                     /*
@@ -404,6 +418,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                             lmc_led_off(sc, LMC_DS3_LED2);
                         }
                     }
+                    spin_unlock_irqrestore(&sc->lmc_lock, flags);
                     
                     
 
@@ -416,6 +431,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                 {
                     u16 mii;
                     int timeout = 500000;
+                    spin_lock_irqsave(&sc->lmc_lock, flags);
                     mii = lmc_mii_readreg (sc, 0, 16);
 
                     /*
@@ -451,13 +467,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                      */
                     while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
                            (timeout-- > 0))
-                        ;
+                        cpu_relax();
 
 
                     /*
                      * stop driving Xilinx-related signals
                      */
                     lmc_gpio_mkinput(sc, 0xff);
+                    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
                     ret = 0x0;
                     
@@ -493,6 +510,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 
                     printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data);
 
+                    spin_lock_irqsave(&sc->lmc_lock, flags);
                     lmc_gpio_mkinput(sc, 0xff);
 
                     /*
@@ -545,7 +563,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                      */
                     while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
                            (timeout-- > 0))
-                        ;
+                        cpu_relax();
 
                     printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear it's memory\n", dev->name, 500000-timeout);
 
@@ -588,6 +606,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 
                     sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET;
                     lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
+                    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
                     kfree(data);
                     
@@ -611,8 +630,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         break;
     }
 
-    spin_unlock_irqrestore(&sc->lmc_lock, flags); /*fold01*/
-
     lmc_trace(dev, "lmc_ioctl out");
 
     return ret;
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 5c7a87e38951..c6948d8f53f6 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -239,11 +239,14 @@ static void xennet_alloc_rx_buffers(struct net_device *dev)
          */
         batch_target = np->rx_target - (req_prod - np->rx.rsp_cons);
         for (i = skb_queue_len(&np->rx_batch); i < batch_target; i++) {
-                skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD,
+                skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD + NET_IP_ALIGN,
                                          GFP_ATOMIC | __GFP_NOWARN);
                 if (unlikely(!skb))
                         goto no_skb;
 
+                /* Align ip header to a 16 bytes boundary */
+                skb_reserve(skb, NET_IP_ALIGN);
+
                 page = alloc_page(GFP_ATOMIC | __GFP_NOWARN);
                 if (!page) {
                         kfree_skb(skb);
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index f6348e078aa4..8f9431a12c6f 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -37,10 +37,7 @@
 #include <linux/poll.h>
 #include <net/sock.h>
 #include <asm/ioctls.h>
-
-#if defined(CONFIG_KMOD)
 #include <linux/kmod.h>
-#endif
 
 #include <net/bluetooth/bluetooth.h>
 
@@ -145,11 +142,8 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
         if (proto < 0 || proto >= BT_MAX_PROTO)
                 return -EINVAL;
 
-#if defined(CONFIG_KMOD)
-        if (!bt_proto[proto]) {
+        if (!bt_proto[proto])
                 request_module("bt-proto-%d", proto);
-        }
-#endif
 
         err = -EPROTONOSUPPORT;
 
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 5bb88eb0aad4..0fa208e86405 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -305,23 +305,14 @@ find_inlist_lock_noload(struct list_head *head, const char *name, int *error,
         return NULL;
 }
 
-#ifndef CONFIG_KMOD
-#define find_inlist_lock(h,n,p,e,m) find_inlist_lock_noload((h),(n),(e),(m))
-#else
 static void *
 find_inlist_lock(struct list_head *head, const char *name, const char *prefix,
    int *error, struct mutex *mutex)
 {
-        void *ret;
-
-        ret = find_inlist_lock_noload(head, name, error, mutex);
-        if (!ret) {
-                request_module("%s%s", prefix, name);
-                ret = find_inlist_lock_noload(head, name, error, mutex);
-        }
-        return ret;
+        return try_then_request_module(
+                        find_inlist_lock_noload(head, name, error, mutex),
+                        "%s%s", prefix, name);
 }
-#endif
 
 static inline struct ebt_table *
 find_table_lock(const char *name, int *error, struct mutex *mutex)
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 8035fbf526ae..7d4d2b3c137e 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -128,8 +128,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol)
         if (net != &init_net)
                 return -EAFNOSUPPORT;
 
-#ifdef CONFIG_KMOD
-        /* try to load protocol module, when CONFIG_KMOD is defined */
+#ifdef CONFIG_MODULES
+        /* try to load protocol module kernel is modular */
         if (!proto_tab[protocol]) {
                 err = request_module("can-proto-%d", protocol);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 1408a083fe4e..868ec0ba8b77 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4956,8 +4956,6 @@ EXPORT_SYMBOL(br_fdb_get_hook);
 EXPORT_SYMBOL(br_fdb_put_hook);
 #endif
 
-#ifdef CONFIG_KMOD
 EXPORT_SYMBOL(dev_load);
-#endif
 
 EXPORT_PER_CPU_SYMBOL(softnet_data);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3630131fa1fa..31f29d2989fd 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1040,7 +1040,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         struct nlattr *linkinfo[IFLA_INFO_MAX+1];
         int err;
 
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 replay:
 #endif
         err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
@@ -1129,7 +1129,7 @@ replay:
                         return -EOPNOTSUPP;
 
                 if (!ops) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                         if (kind[0]) {
                                 __rtnl_unlock();
                                 request_module("rtnl-link-%s", kind);
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 4809753d12ae..8fe931a3d7a1 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -154,7 +154,7 @@ struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp)
         struct ccid *ccid = NULL;
 
         ccids_read_lock();
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
         if (ccids[id] == NULL) {
                 /* We only try to load if in process context */
                 ccids_read_unlock();
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 8008c8613027..28e26bd08e24 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -490,9 +490,7 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
                 return -EFAULT;
         ifr->ifr_name[IFNAMSIZ-1] = 0;
 
-#ifdef CONFIG_KMOD
         dev_load(&init_net, ifr->ifr_name);
-#endif
 
         switch(cmd) {
                 case SIOCGIFADDR:
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5154e729cf16..56fce3ab6c55 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -613,9 +613,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
         if (colon)
                 *colon = 0;
 
-#ifdef CONFIG_KMOD
         dev_load(net, ifr.ifr_name);
-#endif
 
         switch (cmd) {
         case SIOCGIFADDR:       /* Get interface address */
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 89cb047ab314..564230dabcb8 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -53,11 +53,9 @@ static DEFINE_MUTEX(inet_diag_table_mutex);
 
 static const struct inet_diag_handler *inet_diag_lock_handler(int type)
 {
-#ifdef CONFIG_KMOD
         if (!inet_diag_table[type])
                 request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
                                NETLINK_INET_DIAG, type);
-#endif
 
         mutex_lock(&inet_diag_table_mutex);
         if (!inet_diag_table[type])
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 942be04e7955..2ea6dcc3e2cc 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1109,7 +1109,12 @@ restart:
                 printk("\n");
         }
 #endif
-        rt_hash_table[hash].chain = rt;
+        /*
+         * Since lookup is lockfree, we must make sure
+         * previous writes to rt are comitted to memory
+         * before making rt visible to other CPUS.
+         */
+        rcu_assign_pointer(rt_hash_table[hash].chain, rt);
         spin_unlock_bh(rt_hash_lock_addr(hash));
         *rp = rt;
         return 0;
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6a250828b767..4ec5b4e97c4e 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -115,7 +115,7 @@ int tcp_set_default_congestion_control(const char *name)
 
         spin_lock(&tcp_cong_list_lock);
         ca = tcp_ca_find(name);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
         if (!ca && capable(CAP_SYS_MODULE)) {
                 spin_unlock(&tcp_cong_list_lock);
 
@@ -244,7 +244,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
         if (ca == icsk->icsk_ca_ops)
                 goto out;
 
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
         /* not found attempt to autoload module */
         if (!ca && capable(CAP_SYS_MODULE)) {
                 rcu_read_unlock();
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 08e82d64eb6f..2e4ad9671e19 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -822,7 +822,7 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct,
 
         parse_nat_setup = rcu_dereference(nfnetlink_parse_nat_setup_hook);
         if (!parse_nat_setup) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                 rcu_read_unlock();
                 nfnl_unlock();
                 if (request_module("nf-nat-ipv4") < 0) {
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 4739f9f961d8..9c0ba17a1ddb 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -137,7 +137,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 replay:
         ss = nfnetlink_get_subsys(type);
         if (!ss) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                 nfnl_unlock();
                 request_module("nfnetlink-subsys-%d", NFNL_SUBSYS_ID(type));
                 nfnl_lock();
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2fd8afac5f71..480184a857d2 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -435,7 +435,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol)
                 return -EPROTONOSUPPORT;
 
         netlink_lock_table();
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
         if (!nl_table[protocol].registered) {
                 netlink_unlock_table();
                 request_module("net-pf-%d-proto-%d", PF_NETLINK, protocol);
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 9e9c6fce11aa..b9d97effebe3 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -67,11 +67,10 @@ static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
         }
 
         pnp = phonet_proto_get(protocol);
-#ifdef CONFIG_KMOD
         if (pnp == NULL &&
             request_module("net-pf-%d-proto-%d", PF_PHONET, protocol) == 0)
                 pnp = phonet_proto_get(protocol);
-#endif
+
         if (pnp == NULL)
                 return -EPROTONOSUPPORT;
         if (sock->type != pnp->sock_type) {
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 9974b3f04f05..8f457f1e0acf 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -494,7 +494,7 @@ struct tc_action *tcf_action_init_1(struct nlattr *nla, struct nlattr *est,
 
         a_o = tc_lookup_action_n(act_name);
         if (a_o == NULL) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                 rtnl_unlock();
                 request_module("act_%s", act_name);
                 rtnl_lock();
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8eb79e92e94c..16e7ac9774e5 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -227,7 +227,7 @@ replay:
                 err = -ENOENT;
                 tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]);
                 if (tp_ops == NULL) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                         struct nlattr *kind = tca[TCA_KIND];
                         char name[IFNAMSIZ];
 
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 5e6f82e0e6f3..e82519e548d7 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -224,7 +224,7 @@ static int tcf_em_validate(struct tcf_proto *tp,
 
                 if (em->ops == NULL) {
                         err = -ENOENT;
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                         __rtnl_unlock();
                         request_module("ematch-kind-%u", em_hdr->kind);
                         rtnl_lock();
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 1122c952aa99..b16ad2972c6b 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -764,7 +764,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
         struct qdisc_size_table *stab;
 
         ops = qdisc_lookup_ops(kind);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
         if (ops == NULL && kind != NULL) {
                 char name[IFNAMSIZ];
                 if (nla_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) {
diff --git a/net/socket.c b/net/socket.c
index 3e8d4e35c08f..2b7a4b5c9b72 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1142,7 +1142,7 @@ static int __sock_create(struct net *net, int family, int type, int protocol,
 
         sock->type = type;
 
-#if defined(CONFIG_KMOD)
+#ifdef CONFIG_MODULES
         /* Attempt to load a protocol module if the find failed.
          *
          * 12/09/1996 Marcin: But! this makes REALLY only sense, if the user
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 6bfea9ed6869..436bf1b4b76c 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -83,10 +83,8 @@ rpcauth_create(rpc_authflavor_t pseudoflavor, struct rpc_clnt *clnt)
         if (flavor >= RPC_AUTH_MAXFLAVOR)
                 goto out;
 
-#ifdef CONFIG_KMOD
         if ((ops = auth_flavors[flavor]) == NULL)
                 request_module("rpc-auth-%u", flavor);
-#endif
         spin_lock(&rpc_authflavor_lock);
         ops = auth_flavors[flavor];
         if (ops == NULL || !try_module_get(ops->owner)) {