55 files changed, 267 insertions, 202 deletions
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 69328ac8de9c..8952a5890281 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -652,7 +652,8 @@ static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem,
        return ret && es7000_apic_is_cluster();
 }
-struct apic apic_es7000_cluster = {
+/* We've been warned by a false positive warning.Use __refdata to keep calm. */
+struct apic __refdata apic_es7000_cluster = {
        .name                           = "es7000",
        .probe                          = probe_es7000,
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 533e59c6fc82..ca96e68f0d23 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -493,7 +493,8 @@ static void numaq_setup_portio_remap(void)
                (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD);
 }
-struct apic apic_numaq = {
+/* Use __refdata to keep false positive warning calm.   */
+struct apic __refdata apic_numaq = {
        .name                           = "NUMAQ",
        .probe                          = probe_numaq,
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index 4f9c55f3a7c0..03801f2f761f 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -60,7 +60,7 @@ static inline u64 scale_delta(u64 delta, u32 mul_frac, int shift)
                "adc  %5,%%edx ; "
                : "=A" (product), "=r" (tmp1), "=r" (tmp2)
                : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
-#elif __x86_64__
+#elif defined(__x86_64__)
        __asm__ (
                "mul %%rdx ; shrd $32,%%rdx,%%rax"
                : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) );
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 85307cc6e45f..bfae139182ff 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -697,7 +697,7 @@ show_signal_msg(struct pt_regs *regs, unsigned long error_code,
        if (!printk_ratelimit())
                return;
-        printk(KERN_CONT "%s%s[%d]: segfault at %lx ip %p sp %p error %lx",
+        printk("%s%s[%d]: segfault at %lx ip %p sp %p error %lx",
                task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
                tsk->comm, task_pid_nr(tsk), address,
                (void *)regs->ip, (void *)regs->sp, error_code);
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 3fae3a91ce5b..c89687a10835 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -187,6 +187,11 @@ static int i2c_davinci_init(struct davinci_i2c_dev *dev)
        davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKH_REG, clkh);
        davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKL_REG, clkl);
+        /* Respond at reserved "SMBus Host" slave address" (and zero);
+         * we seem to have no option to not respond...
+         */
+        davinci_i2c_write_reg(dev, DAVINCI_I2C_OAR_REG, 0x08);
        dev_dbg(dev->dev, "input_clock = %d, CLK = %d\n", input_clock, clk);
        dev_dbg(dev->dev, "PSC  = %d\n",
                davinci_i2c_read_reg(dev, DAVINCI_I2C_PSC_REG));
@@ -387,7 +392,7 @@ static void terminate_write(struct davinci_i2c_dev *dev)
        davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
        if (!dev->terminate)
-                dev_err(dev->dev, "TDR IRQ while no data to send\n");
+                dev_dbg(dev->dev, "TDR IRQ while no data to send\n");
 }
 /*
@@ -473,9 +478,14 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void *dev_id)
                        break;
                case DAVINCI_I2C_IVR_AAS:
-                        dev_warn(dev->dev, "Address as slave interrupt\n");
+                        dev_dbg(dev->dev, "Address as slave interrupt\n");
-                }/* switch */
+                        break;
-        }/* while */
+                default:
+                        dev_warn(dev->dev, "Unrecognized irq stat %d\n", stat);
+                        break;
+                }
+        }
        return count ? IRQ_HANDLED : IRQ_NONE;
 }
@@ -505,7 +515,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
                return -ENODEV;
        }
-        ioarea = request_mem_region(mem->start, (mem->end - mem->start) + 1,
+        ioarea = request_mem_region(mem->start, resource_size(mem),
                                    pdev->name);
        if (!ioarea) {
                dev_err(&pdev->dev, "I2C region already claimed\n");
@@ -523,7 +533,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
        dev->irq = irq->start;
        platform_set_drvdata(pdev, dev);
-        dev->clk = clk_get(&pdev->dev, "I2CCLK");
+        dev->clk = clk_get(&pdev->dev, NULL);
        if (IS_ERR(dev->clk)) {
                r = -ENODEV;
                goto err_free_mem;
@@ -568,7 +578,7 @@ err_free_mem:
        put_device(&pdev->dev);
        kfree(dev);
 err_release_region:
-        release_mem_region(mem->start, (mem->end - mem->start) + 1);
+        release_mem_region(mem->start, resource_size(mem));
        return r;
 }
@@ -591,7 +601,7 @@ static int davinci_i2c_remove(struct platform_device *pdev)
        kfree(dev);
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(mem->start, (mem->end - mem->start) + 1);
+        release_mem_region(mem->start, resource_size(mem));
        return 0;
 }
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index ad8d2010c921..fdd83277c8a8 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -806,7 +806,7 @@ omap_i2c_probe(struct platform_device *pdev)
                return -ENODEV;
        }
-        ioarea = request_mem_region(mem->start, (mem->end - mem->start) + 1,
+        ioarea = request_mem_region(mem->start, resource_size(mem),
                        pdev->name);
        if (!ioarea) {
                dev_err(&pdev->dev, "I2C region already claimed\n");
@@ -905,7 +905,7 @@ err_free_mem:
        platform_set_drvdata(pdev, NULL);
        kfree(dev);
 err_release_region:
-        release_mem_region(mem->start, (mem->end - mem->start) + 1);
+        release_mem_region(mem->start, resource_size(mem));
        return r;
 }
@@ -925,7 +925,7 @@ omap_i2c_remove(struct platform_device *pdev)
        iounmap(dev->base);
        kfree(dev);
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(mem->start, (mem->end - mem->start) + 1);
+        release_mem_region(mem->start, resource_size(mem));
        return 0;
 }
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 1c01083b01b5..4f3d99cd1692 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -563,7 +563,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
                goto err_irq;
        }
-        size = (res->end - res->start) + 1;
+        size = resource_size(res);
        pd->reg = ioremap(res->start, size);
        if (pd->reg == NULL) {
diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c
index 042fda295f3a..6407f47bda82 100644
--- a/drivers/i2c/busses/i2c-simtec.c
+++ b/drivers/i2c/busses/i2c-simtec.c
@@ -92,7 +92,7 @@ static int simtec_i2c_probe(struct platform_device *dev)
                goto err;
        }
-        size = (res->end-res->start)+1;
+        size = resource_size(res);
        pd->ioarea = request_mem_region(res->start, size, dev->name);
        if (pd->ioarea == NULL) {
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 8ae72ec14456..0e2ba21d4441 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -908,6 +908,7 @@ static const struct net_device_ops rtl8139_netdev_ops = {
        .ndo_open               = rtl8139_open,
        .ndo_stop               = rtl8139_close,
        .ndo_get_stats          = rtl8139_get_stats,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_mac_address    = rtl8139_set_mac_address,
        .ndo_start_xmit         = rtl8139_start_xmit,
diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c
index 6f42ad728915..3fe09876e76d 100644
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -1142,7 +1142,9 @@ static const struct net_device_ops ixp4xx_netdev_ops = {
        .ndo_start_xmit = eth_xmit,
        .ndo_set_multicast_list = eth_set_mcast_list,
        .ndo_do_ioctl = eth_ioctl,
+        .ndo_change_mtu = eth_change_mtu,
+        .ndo_set_mac_address = eth_mac_addr,
+        .ndo_validate_addr = eth_validate_addr,
 };
 static int __devinit eth_init_one(struct platform_device *pdev)
diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c
index c734b1983ec1..204db961029e 100644
--- a/drivers/net/atlx/atl2.c
+++ b/drivers/net/atlx/atl2.c
@@ -2071,7 +2071,7 @@ static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
        if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE))
                return -EOPNOTSUPP;
-        if (wol->wolopts & (WAKE_MCAST|WAKE_BCAST|WAKE_MCAST))
+        if (wol->wolopts & (WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
                return -EOPNOTSUPP;
        /* these settings will always override what we currently have */
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 3eee666a9cd2..55445f980f9c 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -1524,6 +1524,7 @@ static void net_timeout(struct net_device *dev)
 static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
 {
        struct net_local *lp = netdev_priv(dev);
+        unsigned long flags;
        if (net_debug > 3) {
                printk("%s: sent %d byte packet of type %x\n",
@@ -1535,7 +1536,7 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
                  ask the chip to start transmitting before the
                  whole packet has been completely uploaded. */
-        spin_lock_irq(&lp->lock);
+        spin_lock_irqsave(&lp->lock, flags);
        netif_stop_queue(dev);
        /* initiate a transmit sequence */
@@ -1549,13 +1550,13 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
                 * we're waiting for TxOk, so return 1 and requeue this packet.
                 */
-                spin_unlock_irq(&lp->lock);
+                spin_unlock_irqrestore(&lp->lock, flags);
                if (net_debug) printk("cs89x0: Tx buffer not free!\n");
                return NETDEV_TX_BUSY;
        }
        /* Write the contents of the packet */
        writewords(dev->base_addr, TX_FRAME_PORT,skb->data,(skb->len+1) >>1);
-        spin_unlock_irq(&lp->lock);
+        spin_unlock_irqrestore(&lp->lock, flags);
        lp->stats.tx_bytes += skb->len;
        dev->trans_start = jiffies;
        dev_kfree_skb (skb);
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 147c4b088fb3..e8d46cc1bec2 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -3080,7 +3080,9 @@ static const struct net_device_ops ehea_netdev_ops = {
        .ndo_poll_controller    = ehea_netpoll,
 #endif
        .ndo_get_stats          = ehea_get_stats,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_set_mac_address    = ehea_set_mac_addr,
+        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_multicast_list = ehea_set_multicast_list,
        .ndo_change_mtu         = ehea_change_mtu,
        .ndo_vlan_rx_register   = ehea_vlan_rx_register,
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 0f19b743749b..d4b98074b1b7 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -1642,6 +1642,7 @@ static const struct net_device_ops fec_netdev_ops = {
        .ndo_stop               = fec_enet_close,
        .ndo_start_xmit         = fec_enet_start_xmit,
        .ndo_set_multicast_list = set_multicast_list,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_tx_timeout         = fec_timeout,
        .ndo_set_mac_address    = fec_set_mac_address,
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 4ae1d259fced..43d813ed9f45 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -156,6 +156,8 @@ static const struct net_device_ops gfar_netdev_ops = {
        .ndo_tx_timeout = gfar_timeout,
        .ndo_do_ioctl = gfar_ioctl,
        .ndo_vlan_rx_register = gfar_vlan_rx_register,
+        .ndo_set_mac_address = eth_mac_addr,
+        .ndo_validate_addr = eth_validate_addr,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller = gfar_netpoll,
 #endif
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index be480292aba1..adb09d32625d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -127,14 +127,48 @@ static void igb_restore_vlan(struct igb_adapter *);
 static void igb_ping_all_vfs(struct igb_adapter *);
 static void igb_msg_task(struct igb_adapter *);
 static int igb_rcv_msg_from_vf(struct igb_adapter *, u32);
-static inline void igb_set_rah_pool(struct e1000_hw *, int , int);
 static void igb_set_mc_list_pools(struct igb_adapter *, int, u16);
 static void igb_vmm_control(struct igb_adapter *);
-static inline void igb_set_vmolr(struct e1000_hw *, int);
-static inline int igb_set_vf_rlpml(struct igb_adapter *, int, int);
 static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *);
 static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
+static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
+{
+        u32 reg_data;
+        reg_data = rd32(E1000_VMOLR(vfn));
+        reg_data |= E1000_VMOLR_BAM |    /* Accept broadcast */
+                    E1000_VMOLR_ROPE |   /* Accept packets matched in UTA */
+                    E1000_VMOLR_ROMPE |  /* Accept packets matched in MTA */
+                    E1000_VMOLR_AUPE |   /* Accept untagged packets */
+                    E1000_VMOLR_STRVLAN; /* Strip vlan tags */
+        wr32(E1000_VMOLR(vfn), reg_data);
+}
+static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
+                                 int vfn)
+{
+        struct e1000_hw *hw = &adapter->hw;
+        u32 vmolr;
+        vmolr = rd32(E1000_VMOLR(vfn));
+        vmolr &= ~E1000_VMOLR_RLPML_MASK;
+        vmolr |= size | E1000_VMOLR_LPE;
+        wr32(E1000_VMOLR(vfn), vmolr);
+        return 0;
+}
+static inline void igb_set_rah_pool(struct e1000_hw *hw, int pool, int entry)
+{
+        u32 reg_data;
+        reg_data = rd32(E1000_RAH(entry));
+        reg_data &= ~E1000_RAH_POOL_MASK;
+        reg_data |= E1000_RAH_POOL_1 << pool;;
+        wr32(E1000_RAH(entry), reg_data);
+}
 #ifdef CONFIG_PM
 static int igb_suspend(struct pci_dev *, pm_message_t);
 static int igb_resume(struct pci_dev *);
@@ -5418,43 +5452,6 @@ static void igb_io_resume(struct pci_dev *pdev)
        igb_get_hw_control(adapter);
 }
-static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
-{
-        u32 reg_data;
-        reg_data = rd32(E1000_VMOLR(vfn));
-        reg_data |= E1000_VMOLR_BAM |    /* Accept broadcast */
-                    E1000_VMOLR_ROPE |   /* Accept packets matched in UTA */
-                    E1000_VMOLR_ROMPE |  /* Accept packets matched in MTA */
-                    E1000_VMOLR_AUPE |   /* Accept untagged packets */
-                    E1000_VMOLR_STRVLAN; /* Strip vlan tags */
-        wr32(E1000_VMOLR(vfn), reg_data);
-}
-static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
-                                 int vfn)
-{
-        struct e1000_hw *hw = &adapter->hw;
-        u32 vmolr;
-        vmolr = rd32(E1000_VMOLR(vfn));
-        vmolr &= ~E1000_VMOLR_RLPML_MASK;
-        vmolr |= size | E1000_VMOLR_LPE;
-        wr32(E1000_VMOLR(vfn), vmolr);
-        return 0;
-}
-static inline void igb_set_rah_pool(struct e1000_hw *hw, int pool, int entry)
-{
-        u32 reg_data;
-        reg_data = rd32(E1000_RAH(entry));
-        reg_data &= ~E1000_RAH_POOL_MASK;
-        reg_data |= E1000_RAH_POOL_1 << pool;;
-        wr32(E1000_RAH(entry), reg_data);
-}
 static void igb_set_mc_list_pools(struct igb_adapter *adapter,
                                  int entry_count, u16 total_rar_filters)
 {
diff --git a/drivers/net/isa-skeleton.c b/drivers/net/isa-skeleton.c
index 73585fd8f29f..d12377b84358 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -430,7 +430,8 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
         * hardware interrupt handler.  Queue flow control is
         * thus managed under this lock as well.
         */
-        spin_lock_irq(&np->lock);
+        unsigned long flags;
+        spin_lock_irqsave(&np->lock, flags);
        add_to_tx_ring(np, skb, length);
        dev->trans_start = jiffies;
@@ -446,7 +447,7 @@ static int net_send_packet(struct sk_buff *skb, struct net_device *dev)
         * is when the transmit statistics are updated.
         */
-        spin_unlock_irq(&np->lock);
+        spin_unlock_irqrestore(&np->lock, flags);
 #else
        /* This is the case for older hardware which takes
         * a single transmit buffer at a time, and it is
diff --git a/drivers/net/mlx4/cmd.c b/drivers/net/mlx4/cmd.c
index 2845a0560b84..65ec77dc31f5 100644
--- a/drivers/net/mlx4/cmd.c
+++ b/drivers/net/mlx4/cmd.c
@@ -80,7 +80,9 @@ enum {
        /* Bad management packet (silently discarded): */
        CMD_STAT_BAD_PKT        = 0x30,
        /* More outstanding CQEs in CQ than new CQ size: */
-        CMD_STAT_BAD_SIZE       = 0x40
+        CMD_STAT_BAD_SIZE       = 0x40,
+        /* Multi Function device support required: */
+        CMD_STAT_MULTI_FUNC_REQ = 0x50,
 };
 enum {
@@ -128,6 +130,7 @@ static int mlx4_status_to_errno(u8 status)
                [CMD_STAT_LAM_NOT_PRE]    = -EAGAIN,
                [CMD_STAT_BAD_PKT]        = -EINVAL,
                [CMD_STAT_BAD_SIZE]       = -ENOMEM,
+                [CMD_STAT_MULTI_FUNC_REQ] = -EACCES,
        };
        if (status >= ARRAY_SIZE(trans_table) ||
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 018348c01193..dac621b1e9fc 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -729,7 +729,10 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
        err = mlx4_QUERY_FW(dev);
        if (err) {
-                mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
+                if (err == -EACCES)
+                        mlx4_info(dev, "non-primary physical function, skipping.\n");
+                else
+                        mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
                return err;
        }
@@ -1285,6 +1288,7 @@ static struct pci_device_id mlx4_pci_table[] = {
        { PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
        { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */
        { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
+        { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/
        { 0, }
 };
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index eba937c46376..b10fedd82143 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -134,8 +134,10 @@ int phy_scan_fixups(struct phy_device *phydev)
                        err = fixup->run(phydev);
-                        if (err < 0)
+                        if (err < 0) {
+                                mutex_unlock(&phy_fixup_lock);
                                return err;
+                        }
                }
        }
        mutex_unlock(&phy_fixup_lock);
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index 7a62f781fef2..2ca8b0d84ee2 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -270,6 +270,9 @@ static const struct net_device_ops plip_netdev_ops = {
        .ndo_stop                = plip_close,
        .ndo_start_xmit          = plip_tx_packet,
        .ndo_do_ioctl            = plip_ioctl,
+        .ndo_change_mtu          = eth_change_mtu,
+        .ndo_set_mac_address     = eth_mac_addr,
+        .ndo_validate_addr       = eth_validate_addr,
 };
 /* Entry point of PLIP driver.
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index d1a5fb4d6acb..a3932c9f3406 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -1411,6 +1411,7 @@ static const struct net_device_ops gelic_netdevice_ops = {
        .ndo_set_multicast_list = gelic_net_set_multi,
        .ndo_change_mtu = gelic_net_change_mtu,
        .ndo_tx_timeout = gelic_net_tx_timeout,
+        .ndo_set_mac_address = eth_mac_addr,
        .ndo_validate_addr = eth_validate_addr,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller = gelic_net_poll_controller,
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
index b6b3ca9bdb21..6932b08d746b 100644
--- a/drivers/net/ps3_gelic_wireless.c
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -2707,6 +2707,7 @@ static const struct net_device_ops gelic_wl_netdevice_ops = {
        .ndo_set_multicast_list = gelic_net_set_multi,
        .ndo_change_mtu = gelic_net_change_mtu,
        .ndo_tx_timeout = gelic_net_tx_timeout,
+        .ndo_set_mac_address = eth_mac_addr,
        .ndo_validate_addr = eth_validate_addr,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller = gelic_net_poll_controller,
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index fdcbaf8dfa73..1c70e999cc50 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -1774,6 +1774,7 @@ static const struct net_device_ops smc_netdev_ops = {
        .ndo_start_xmit         = smc_hard_start_xmit,
        .ndo_tx_timeout         = smc_timeout,
        .ndo_set_multicast_list = smc_set_multicast_list,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_mac_address    = eth_mac_addr,
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 66067f9d91c0..94b6d2658ddc 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -1779,6 +1779,7 @@ static const struct net_device_ops smsc911x_netdev_ops = {
        .ndo_get_stats          = smsc911x_get_stats,
        .ndo_set_multicast_list = smsc911x_set_multicast_list,
        .ndo_do_ioctl           = smsc911x_do_ioctl,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
        .ndo_set_mac_address    = smsc911x_set_mac_address,
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/sunvnet.c b/drivers/net/sunvnet.c
index a82fb2aca4cb..f1e5e4542c2a 100644
--- a/drivers/net/sunvnet.c
+++ b/drivers/net/sunvnet.c
@@ -1016,7 +1016,9 @@ static const struct net_device_ops vnet_ops = {
        .ndo_open               = vnet_open,
        .ndo_stop               = vnet_close,
        .ndo_set_multicast_list = vnet_set_rx_mode,
+        .ndo_change_mtu         = eth_change_mtu,
        .ndo_set_mac_address    = vnet_set_mac_addr,
+        .ndo_validate_addr      = eth_validate_addr,
        .ndo_tx_timeout         = vnet_tx_timeout,
        .ndo_change_mtu         = vnet_change_mtu,
        .ndo_start_xmit         = vnet_start_xmit,
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index e01314789718..1f9ec29fce50 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -999,6 +999,9 @@ static const struct net_device_ops kaweth_netdev_ops = {
        .ndo_tx_timeout =               kaweth_tx_timeout,
        .ndo_set_multicast_list =       kaweth_set_rx_mode,
        .ndo_get_stats =                kaweth_netdev_stats,
+        .ndo_change_mtu =               eth_change_mtu,
+        .ndo_set_mac_address =          eth_mac_addr,
+        .ndo_validate_addr =            eth_validate_addr,
 };
 static int kaweth_probe(
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 73acbd244aa1..631d269ac980 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1493,6 +1493,9 @@ static const struct net_device_ops pegasus_netdev_ops = {
        .ndo_set_multicast_list =       pegasus_set_multicast,
        .ndo_get_stats =                pegasus_netdev_stats,
        .ndo_tx_timeout =               pegasus_tx_timeout,
+        .ndo_change_mtu =               eth_change_mtu,
+        .ndo_set_mac_address =          eth_mac_addr,
+        .ndo_validate_addr =            eth_validate_addr,
 };
 static struct usb_driver pegasus_driver = {
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index d3489a3c4c03..88c30a58b4bd 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -621,6 +621,7 @@ static const struct net_device_ops rhine_netdev_ops = {
        .ndo_start_xmit          = rhine_start_tx,
        .ndo_get_stats           = rhine_get_stats,
        .ndo_set_multicast_list  = rhine_set_rx_mode,
+        .ndo_change_mtu          = eth_change_mtu,
        .ndo_validate_addr       = eth_validate_addr,
        .ndo_set_mac_address     = eth_mac_addr,
        .ndo_do_ioctl            = netdev_ioctl,
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index 345593c4accb..a370e510f19f 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -2521,6 +2521,8 @@ static const struct net_device_ops orinoco_netdev_ops = {
        .ndo_start_xmit         = orinoco_xmit,
        .ndo_set_multicast_list = orinoco_set_multicast_list,
        .ndo_change_mtu         = orinoco_change_mtu,
+        .ndo_set_mac_address    = eth_mac_addr,
+        .ndo_validate_addr      = eth_validate_addr,
        .ndo_tx_timeout         = orinoco_tx_timeout,
        .ndo_get_stats          = orinoco_get_stats,
 };
@@ -2555,7 +2557,6 @@ struct net_device
        priv->wireless_data.spy_data = &priv->spy_data;
        dev->wireless_data = &priv->wireless_data;
 #endif
-        /* we use the default eth_mac_addr for setting the MAC addr */
        /* Reserve space in skb for the SNAP header */
        dev->hard_header_len += ENCAPS_OVERHEAD;
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 205ec95b347e..eb507c453c5f 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -435,7 +435,7 @@ static int search_rsb(struct dlm_ls *ls, char *name, int len, int b,
 static int find_rsb(struct dlm_ls *ls, char *name, int namelen,
                    unsigned int flags, struct dlm_rsb **r_ret)
 {
-        struct dlm_rsb *r, *tmp;
+        struct dlm_rsb *r = NULL, *tmp;
        uint32_t hash, bucket;
        int error = -EINVAL;
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index cdb580a9c7a2..618a60f03886 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -902,7 +902,7 @@ static void tcp_connect_to_sock(struct connection *con)
        int result = -EHOSTUNREACH;
        struct sockaddr_storage saddr, src_addr;
        int addr_len;
-        struct socket *sock;
+        struct socket *sock = NULL;
        if (con->nodeid == 0) {
                log_print("attempt to connect sock 0 foiled");
@@ -962,6 +962,8 @@ out_err:
        if (con->sock) {
                sock_release(con->sock);
                con->sock = NULL;
+        } else if (sock) {
+                sock_release(sock);
        }
        /*
         * Some errors are fatal and this list might need adjusting. For other
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index 894a32d438d5..16f682e26c07 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -353,7 +353,7 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
 {
        struct dlm_plock_info info;
        struct plock_op *op;
-        int found = 0;
+        int found = 0, do_callback = 0;
        if (count != sizeof(info))
                return -EINVAL;
@@ -366,21 +366,24 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
        spin_lock(&ops_lock);
        list_for_each_entry(op, &recv_list, list) {
-                if (op->info.fsid == info.fsid && op->info.number == info.number &&
+                if (op->info.fsid == info.fsid &&
+                    op->info.number == info.number &&
                    op->info.owner == info.owner) {
+                        struct plock_xop *xop = (struct plock_xop *)op;
                        list_del_init(&op->list);
-                        found = 1;
-                        op->done = 1;
                        memcpy(&op->info, &info, sizeof(info));
+                        if (xop->callback)
+                                do_callback = 1;
+                        else
+                                op->done = 1;
+                        found = 1;
                        break;
                }
        }
        spin_unlock(&ops_lock);
        if (found) {
-                struct plock_xop *xop;
+                if (do_callback)
-                xop = (struct plock_xop *)op;
-                if (xop->callback)
                        dlm_plock_callback(op);
                else
                        wake_up(&recv_wq);
diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
index 98d6ef1c1dc0..148d55c14171 100644
--- a/fs/gfs2/trace_gfs2.h
+++ b/fs/gfs2/trace_gfs2.h
@@ -1,12 +1,11 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gfs2
 #if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_GFS2_H
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM gfs2
-#define TRACE_INCLUDE_FILE trace_gfs2
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
 #include <linux/dlmconstants.h>
@@ -403,5 +402,6 @@ TRACE_EVENT(gfs2_block_alloc,
 /* This part must be outside protection */
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace_gfs2
 #include <trace/define_trace.h>
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 20a100fe2b4f..3a1dbba4d3ae 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -143,12 +143,3 @@ extern void clockevents_notify(unsigned long reason, void *arg);
 #endif
 #endif
-#ifdef CONFIG_GENERIC_CLOCKEVENTS
-extern ktime_t clockevents_get_next_event(int cpu);
-#else
-static inline ktime_t clockevents_get_next_event(int cpu)
-{
-        return (ktime_t) { .tv64 = KTIME_MAX };
-}
-#endif
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b47b3f039d14..f2c69a2cca17 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1342,12 +1342,12 @@ static inline int skb_network_offset(const struct sk_buff *skb)
 * shifting the start of the packet by 2 bytes. Drivers should do this
 * with:
 *
- * skb_reserve(NET_IP_ALIGN);
+ * skb_reserve(skb, NET_IP_ALIGN);
 *
 * The downside to this alignment of the IP header is that the DMA is now
 * unaligned. On some architectures the cost of an unaligned DMA is high
 * and this cost outweighs the gains made by aligning the IP header.
- * 
+ *
 * Since this trade off varies between architectures, we allow NET_IP_ALIGN
 * to be overridden.
 */
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index d6b05f42dd44..9a74b468a229 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -1,3 +1,6 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM block
 #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_BLOCK_H
@@ -5,9 +8,6 @@
 #include <linux/blkdev.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM block
 TRACE_EVENT(block_rq_abort,
        TP_PROTO(struct request_queue *q, struct request *rq),
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index dfbc9b0edc88..7d8b5bc74185 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1,9 +1,9 @@
-#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_EXT4_H
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM ext4
+#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EXT4_H
 #include <linux/writeback.h>
 #include "../../../fs/ext4/ext4.h"
 #include "../../../fs/ext4/mballoc.h"
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index b0c7ede55eb1..1cb0c3aa11e6 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM irq
 #if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_IRQ_H
 #include <linux/tracepoint.h>
 #include <linux/interrupt.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM irq
 #define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }
 #define show_softirq_name(val)                  \
        __print_symbolic(val,                   \
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 845b0b4b48fd..10813fa0c8d0 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM jbd2
 #if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_JBD2_H
 #include <linux/jbd2.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM jbd2
 TRACE_EVENT(jbd2_checkpoint,
        TP_PROTO(journal_t *journal, int result),
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index 9baba50d6512..1493c541f9c4 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kmem
 #if !defined(_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_KMEM_H
 #include <linux/types.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM kmem
 /*
 * The order of these masks is important. Matching masks will be seen
 * first and the left over flags will end up showing by themselves.
diff --git a/include/trace/events/lockdep.h b/include/trace/events/lockdep.h
index 0e956c9dfd7e..bcf1d209a00d 100644
--- a/include/trace/events/lockdep.h
+++ b/include/trace/events/lockdep.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lockdep
 #if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_LOCKDEP_H
 #include <linux/lockdep.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM lockdep
 #ifdef CONFIG_LOCKDEP
 TRACE_EVENT(lock_acquire,
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 24ab5bcff7b2..8949bb7eb082 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sched
 #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_SCHED_H
 #include <linux/sched.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM sched
 /*
 * Tracepoint for calling kthread_stop, performed to end a kthread:
 */
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index 1e8fabb57c06..e499863b9669 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -1,12 +1,12 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM skb
 #if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_SKB_H
 #include <linux/skbuff.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM skb
 /*
 * Tracepoint for free an sk_buff:
 */
diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h
index 035f1bff288e..fcfd9a1e4b96 100644
--- a/include/trace/events/workqueue.h
+++ b/include/trace/events/workqueue.h
@@ -1,3 +1,6 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
 #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_WORKQUEUE_H
@@ -5,9 +8,6 @@
 #include <linux/sched.h>
 #include <linux/tracepoint.h>
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM workqueue
 TRACE_EVENT(workqueue_insertion,
        TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
diff --git a/kernel/futex.c b/kernel/futex.c
index 794c862125fe..0672ff88f159 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -247,6 +247,7 @@ again:
        if (err < 0)
                return err;
+        page = compound_head(page);
        lock_page(page);
        if (!page->mapping) {
                unlock_page(page);
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 9002958a96e7..49da79ab8486 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -191,6 +191,46 @@ struct hrtimer_clock_base *lock_hrtimer_base(const struct hrtimer *timer,
        }
 }
+/*
+ * Get the preferred target CPU for NOHZ
+ */
+static int hrtimer_get_target(int this_cpu, int pinned)
+{
+#ifdef CONFIG_NO_HZ
+        if (!pinned && get_sysctl_timer_migration() && idle_cpu(this_cpu)) {
+                int preferred_cpu = get_nohz_load_balancer();
+                if (preferred_cpu >= 0)
+                        return preferred_cpu;
+        }
+#endif
+        return this_cpu;
+}
+/*
+ * With HIGHRES=y we do not migrate the timer when it is expiring
+ * before the next event on the target cpu because we cannot reprogram
+ * the target cpu hardware and we would cause it to fire late.
+ *
+ * Called with cpu_base->lock of target cpu held.
+ */
+static int
+hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)
+{
+#ifdef CONFIG_HIGH_RES_TIMERS
+        ktime_t expires;
+        if (!new_base->cpu_base->hres_active)
+                return 0;
+        expires = ktime_sub(hrtimer_get_expires(timer), new_base->offset);
+        return expires.tv64 <= new_base->cpu_base->expires_next.tv64;
+#else
+        return 0;
+#endif
+}
 /*
 * Switch the timer base to the current CPU when possible.
 */
@@ -200,16 +240,8 @@ switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_clock_base *base,
 {
        struct hrtimer_clock_base *new_base;
        struct hrtimer_cpu_base *new_cpu_base;
-        int cpu, preferred_cpu = -1;
+        int this_cpu = smp_processor_id();
+        int cpu = hrtimer_get_target(this_cpu, pinned);
-        cpu = smp_processor_id();
-#if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP)
-        if (!pinned && get_sysctl_timer_migration() && idle_cpu(cpu)) {
-                preferred_cpu = get_nohz_load_balancer();
-                if (preferred_cpu >= 0)
-                        cpu = preferred_cpu;
-        }
-#endif
 again:
        new_cpu_base = &per_cpu(hrtimer_bases, cpu);
@@ -217,7 +249,7 @@ again:
        if (base != new_base) {
                /*
-                 * We are trying to schedule the timer on the local CPU.
+                 * We are trying to move timer to new_base.
                 * However we can't change timer's base while it is running,
                 * so we keep it on the same CPU. No hassle vs. reprogramming
                 * the event source in the high resolution case. The softirq
@@ -233,38 +265,12 @@ again:
                spin_unlock(&base->cpu_base->lock);
                spin_lock(&new_base->cpu_base->lock);
-                /* Optimized away for NOHZ=n SMP=n */
+                if (cpu != this_cpu && hrtimer_check_target(timer, new_base)) {
-                if (cpu == preferred_cpu) {
+                        cpu = this_cpu;
-                        /* Calculate clock monotonic expiry time */
+                        spin_unlock(&new_base->cpu_base->lock);
-#ifdef CONFIG_HIGH_RES_TIMERS
+                        spin_lock(&base->cpu_base->lock);
-                        ktime_t expires = ktime_sub(hrtimer_get_expires(timer),
+                        timer->base = base;
-                                                        new_base->offset);
+                        goto again;
-#else
-                        ktime_t expires = hrtimer_get_expires(timer);
-#endif
-                        /*
-                         * Get the next event on target cpu from the
-                         * clock events layer.
-                         * This covers the highres=off nohz=on case as well.
-                         */
-                        ktime_t next = clockevents_get_next_event(cpu);
-                        ktime_t delta = ktime_sub(expires, next);
-                        /*
-                         * We do not migrate the timer when it is expiring
-                         * before the next event on the target cpu because
-                         * we cannot reprogram the target cpu hardware and
-                         * we would cause it to fire late.
-                         */
-                        if (delta.tv64 < 0) {
-                                cpu = smp_processor_id();
-                                spin_unlock(&new_base->cpu_base->lock);
-                                spin_lock(&base->cpu_base->lock);
-                                timer->base = base;
-                                goto again;
-                        }
                }
                timer->base = new_base;
        }
@@ -1276,14 +1282,22 @@ void hrtimer_interrupt(struct clock_event_device *dev)
        expires_next.tv64 = KTIME_MAX;
+        spin_lock(&cpu_base->lock);
+        /*
+         * We set expires_next to KTIME_MAX here with cpu_base->lock
+         * held to prevent that a timer is enqueued in our queue via
+         * the migration code. This does not affect enqueueing of
+         * timers which run their callback and need to be requeued on
+         * this CPU.
+         */
+        cpu_base->expires_next.tv64 = KTIME_MAX;
        base = cpu_base->clock_base;
        for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
                ktime_t basenow;
                struct rb_node *node;
-                spin_lock(&cpu_base->lock);
                basenow = ktime_add(now, base->offset);
                while ((node = base->first)) {
@@ -1316,11 +1330,15 @@ void hrtimer_interrupt(struct clock_event_device *dev)
                        __run_hrtimer(timer);
                }
-                spin_unlock(&cpu_base->lock);
                base++;
        }
+        /*
+         * Store the new expiry value so the migration code can verify
+         * against it.
+         */
        cpu_base->expires_next = expires_next;
+        spin_unlock(&cpu_base->lock);
        /* Reprogramming necessary ? */
        if (expires_next.tv64 != KTIME_MAX) {
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 1ad6dd461119..a6dcd67b041d 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -254,15 +254,4 @@ void clockevents_notify(unsigned long reason, void *arg)
        spin_unlock(&clockevents_lock);
 }
 EXPORT_SYMBOL_GPL(clockevents_notify);
-ktime_t clockevents_get_next_event(int cpu)
-{
-        struct tick_device *td;
-        struct clock_event_device *dev;
-        td = &per_cpu(tick_cpu_device, cpu);
-        dev = td->evtdev;
-        return dev->next_event;
-}
 #endif
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index bce9e01a29c8..4521c77d1a1a 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -768,7 +768,7 @@ static struct tracer_stat function_stats __initdata = {
        .stat_show      = function_stat_show
 };
-static void ftrace_profile_debugfs(struct dentry *d_tracer)
+static __init void ftrace_profile_debugfs(struct dentry *d_tracer)
 {
        struct ftrace_profile_stat *stat;
        struct dentry *entry;
@@ -786,7 +786,6 @@ static void ftrace_profile_debugfs(struct dentry *d_tracer)
                         * The files created are permanent, if something happens
                         * we still do not free memory.
                         */
-                        kfree(stat);
                        WARN(1,
                             "Could not allocate stat file for cpu %d\n",
                             cpu);
@@ -813,7 +812,7 @@ static void ftrace_profile_debugfs(struct dentry *d_tracer)
 }
 #else /* CONFIG_FUNCTION_PROFILER */
-static void ftrace_profile_debugfs(struct dentry *d_tracer)
+static __init void ftrace_profile_debugfs(struct dentry *d_tracer)
 {
 }
 #endif /* CONFIG_FUNCTION_PROFILER */
diff --git a/net/core/sock.c b/net/core/sock.c
index 6354863b1c68..ba5d2116aea1 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -939,8 +939,23 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
        struct kmem_cache *slab;
        slab = prot->slab;
-        if (slab != NULL)
+        if (slab != NULL) {
-                sk = kmem_cache_alloc(slab, priority);
+                sk = kmem_cache_alloc(slab, priority & ~__GFP_ZERO);
+                if (!sk)
+                        return sk;
+                if (priority & __GFP_ZERO) {
+                        /*
+                         * caches using SLAB_DESTROY_BY_RCU should let
+                         * sk_node.next un-modified. Special care is taken
+                         * when initializing object to zero.
+                         */
+                        if (offsetof(struct sock, sk_node.next) != 0)
+                                memset(sk, 0, offsetof(struct sock, sk_node.next));
+                        memset(&sk->sk_node.pprev, 0,
+                               prot->obj_size - offsetof(struct sock,
+                                                         sk_node.pprev));
+                }
+        }
        else
                sk = kmalloc(prot->obj_size, priority);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 44e2a3d2359a..cb4a0f4bd5e5 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -735,10 +735,10 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
        }
        tos = tiph->tos;
-        if (tos&1) {
+        if (tos == 1) {
+                tos = 0;
                if (skb->protocol == htons(ETH_P_IP))
                        tos = old_iph->tos;
-                tos &= ~1;
        }
        {
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 247026282669..7d0821054729 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1243,7 +1243,6 @@ int ip_push_pending_frames(struct sock *sk)
                skb->len += tmp_skb->len;
                skb->data_len += tmp_skb->len;
                skb->truesize += tmp_skb->truesize;
-                __sock_put(tmp_skb->sk);
                tmp_skb->destructor = NULL;
                tmp_skb->sk = NULL;
        }
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 7c76e3d18215..87f8419a68fd 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1484,7 +1484,6 @@ int ip6_push_pending_frames(struct sock *sk)
                skb->len += tmp_skb->len;
                skb->data_len += tmp_skb->len;
                skb->truesize += tmp_skb->truesize;
-                __sock_put(tmp_skb->sk);
                tmp_skb->destructor = NULL;
                tmp_skb->sk = NULL;
        }
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 68e52308e552..98b7327d0949 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1018,6 +1018,7 @@ static void ipip6_tunnel_setup(struct net_device *dev)
        dev->hard_header_len    = LL_MAX_HEADER + sizeof(struct iphdr);
        dev->mtu                = ETH_DATA_LEN - sizeof(struct iphdr);
        dev->flags              = IFF_NOARP;
+        dev->priv_flags        &= ~IFF_XMIT_DST_RELEASE;
        dev->iflink             = 0;
        dev->addr_len           = 4;
        dev->features           |= NETIF_F_NETNS_LOCAL;
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 9977a756fb32..f24ae370e514 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -1,21 +1,4 @@
 /*
- * Notice that this file is not protected like a normal header.
- * We also must allow for rereading of this file. The
- *
- *  || defined(TRACE_HEADER_MULTI_READ)
- *
- * serves this purpose.
- */
-#if !defined(_TRACE_EVENT_SAMPLE_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_EVENT_SAMPLE_H
-/*
- * All trace headers should include tracepoint.h, until we finally
- * make it into a standard header.
- */
-#include <linux/tracepoint.h>
-/*
 * If TRACE_SYSTEM is defined, that will be the directory created
 * in the ftrace directory under /debugfs/tracing/events/<system>
 *
@@ -34,11 +17,31 @@
 * #define TRACE_INCLUDE_FILE trace-events-sample
 *
 * As we do an the bottom of this file.
+ *
+ * Notice that TRACE_SYSTEM should be defined outside of #if
+ * protection, just like TRACE_INCLUDE_FILE.
 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sample
 /*
+ * Notice that this file is not protected like a normal header.
+ * We also must allow for rereading of this file. The
+ *
+ *  || defined(TRACE_HEADER_MULTI_READ)
+ *
+ * serves this purpose.
+ */
+#if !defined(_TRACE_EVENT_SAMPLE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_SAMPLE_H
+/*
+ * All trace headers should include tracepoint.h, until we finally
+ * make it into a standard header.
+ */
+#include <linux/tracepoint.h>
+/*
 * The TRACE_EVENT macro is broken up into 5 parts.
 *
 * name: name of the trace point. This is also how to enable the tracepoint.