Merge branch 'linus' into cpus4096

Documentation/arm/mem_alignment

@@ -24,7 +24,7 @@ real bad - it changes the behaviour of all unaligned instructions in user
 space, and might cause programs to fail unexpectedly.
 
 To change the alignment trap behavior, simply echo a number into
-/proc/sys/debug/alignment.  The number is made up from various bits:
+/proc/cpu/alignment.  The number is made up from various bits:
 
 bit		behavior when set
 ---		-----------------

MAINTAINERS

@@ -1527,10 +1527,10 @@ W:	http://ebtables.sourceforge.net/
 S:	Maintained
 
 ECRYPT FILE SYSTEM
-P:	Mike Halcrow, Phillip Hellewell
-M:	mhalcrow@us.ibm.com, phillip@hellewell.homeip.net
-L:	ecryptfs-devel@lists.sourceforge.net
-W:	http://ecryptfs.sourceforge.net/
+P:	Tyler Hicks, Dustin Kirkland
+M:	tyhicks@linux.vnet.ibm.com, kirkland@canonical.com
+L:	ecryptfs-devel@lists.launchpad.net
+W:	https://launchpad.net/ecryptfs
 S:	Supported
 
 EDAC-CORE

arch/arm/common/sa1111.c

@@ -630,7 +630,7 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
 		return -ENOMEM;
 
 	sachip->clk = clk_get(me, "SA1111_CLK");
-	if (!sachip->clk) {
+	if (IS_ERR(sachip->clk)) {
 		ret = PTR_ERR(sachip->clk);
 		goto err_free;
 	}

arch/arm/kernel/armksyms.c

@@ -115,6 +115,8 @@ EXPORT_SYMBOL(__strnlen_user);
 EXPORT_SYMBOL(__strncpy_from_user);
 
 #ifdef CONFIG_MMU
+EXPORT_SYMBOL(copy_page);
+
 EXPORT_SYMBOL(__copy_from_user);
 EXPORT_SYMBOL(__copy_to_user);
 EXPORT_SYMBOL(__clear_user);
@@ -181,8 +183,6 @@ EXPORT_SYMBOL(_find_first_bit_be);
 EXPORT_SYMBOL(_find_next_bit_be);
 #endif
 
-EXPORT_SYMBOL(copy_page);
-
 #ifdef CONFIG_FUNCTION_TRACER
 EXPORT_SYMBOL(mcount);
 #endif

arch/arm/kernel/traps.c

@@ -18,6 +18,7 @@
 #include <linux/personality.h>
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/uaccess.h>
 

arch/arm/mach-pxa/include/mach/reset.h

@@ -12,9 +12,8 @@ extern void clear_reset_status(unsigned int mask);
 
 /**
  * init_gpio_reset() - register GPIO as reset generator
- *
- * @gpio - gpio nr
- * @output - set gpio as out/low instead of input during normal work
+ * @gpio: gpio nr
+ * @output: set gpio as out/low instead of input during normal work
  */
 extern int init_gpio_reset(int gpio, int output);
 

arch/arm/mm/fault.c

@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/signal.h>
 #include <linux/mm.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
 #include <linux/uaccess.h>

arch/ia64/hp/sim/Kconfig

@@ -4,6 +4,7 @@ menu "HP Simulator drivers"
 
 config HP_SIMETH
 	bool "Simulated Ethernet "
+	depends on NET
 
 config HP_SIMSERIAL
 	bool "Simulated serial driver support"

arch/powerpc/kernel/misc_32.S

@@ -479,6 +479,8 @@ _GLOBAL(_tlbil_pid)
  * (no broadcast)
  */
 _GLOBAL(_tlbil_va)
+	mfmsr	r10
+	wrteei	0
 	slwi	r4,r4,16
 	mtspr	SPRN_MAS6,r4		/* assume AS=0 for now */
 	tlbsx	0,r3
@@ -490,6 +492,7 @@ _GLOBAL(_tlbil_va)
 	tlbwe
 	msync
 	isync
+	wrtee	r10
 	blr
 #endif /* CONFIG_FSL_BOOKE */
 

arch/powerpc/mm/hugetlbpage.c

@@ -507,6 +507,9 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 {
 	struct hstate *hstate = hstate_file(file);
 	int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
+
+	if (!mmu_huge_psizes[mmu_psize])
+		return -EINVAL;
 	return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
 }
 

arch/powerpc/mm/numa.c

@@ -901,10 +901,17 @@ static void mark_reserved_regions_for_nid(int nid)
 			if (end_pfn > node_ar.end_pfn)
 				reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
 					- (start_pfn << PAGE_SHIFT);
-			dbg("reserve_bootmem %lx %lx nid=%d\n", physbase,
-				reserve_size, node_ar.nid);
-			reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase,
-						reserve_size, BOOTMEM_DEFAULT);
+			/*
+			 * Only worry about *this* node, others may not
+			 * yet have valid NODE_DATA().
+			 */
+			if (node_ar.nid == nid) {
+				dbg("reserve_bootmem %lx %lx nid=%d\n",
+					physbase, reserve_size, node_ar.nid);
+				reserve_bootmem_node(NODE_DATA(node_ar.nid),
+						physbase, reserve_size,
+						BOOTMEM_DEFAULT);
+			}
 			/*
 			 * if reserved region is contained in the active region
 			 * then done.
@@ -929,7 +936,6 @@ static void mark_reserved_regions_for_nid(int nid)
 void __init do_init_bootmem(void)
 {
 	int nid;
-	unsigned int i;
 
 	min_low_pfn = 0;
 	max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;

arch/powerpc/platforms/cell/axon_msi.c

@@ -413,6 +413,9 @@ static int axon_msi_probe(struct of_device *device,
 			MSIC_CTRL_IRQ_ENABLE | MSIC_CTRL_ENABLE |
 			MSIC_CTRL_FIFO_SIZE);
 
+	msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG)
+				& MSIC_FIFO_SIZE_MASK;
+
 	device->dev.platform_data = msic;
 
 	ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs;

arch/sh/Kconfig

@@ -55,6 +55,8 @@ config GENERIC_HARDIRQS
 
 config GENERIC_HARDIRQS_NO__DO_IRQ
 	def_bool y
+	depends on SUPERH32 && (!SH_DREAMCAST && !SH_SH4202_MICRODEV && \
+				!SH_7751_SYSTEMH && !HD64461)
 
 config GENERIC_IRQ_PROBE
 	def_bool y

arch/x86/include/asm/vmi.h

@@ -223,9 +223,15 @@ struct pci_header {
 } __attribute__((packed));
 
 /* Function prototypes for bootstrapping */
+#ifdef CONFIG_VMI
 extern void vmi_init(void);
+extern void vmi_activate(void);
 extern void vmi_bringup(void);
-extern void vmi_apply_boot_page_allocations(void);
+#else
+static inline void vmi_init(void) {}
+static inline void vmi_activate(void) {}
+static inline void vmi_bringup(void) {}
+#endif
 
 /* State needed to start an application processor in an SMP system. */
 struct vmi_ap_state {

arch/x86/kernel/setup.c

@@ -807,6 +807,9 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
+	/* VMI may relocate the fixmap; do this before touching ioremap area */
+	vmi_init();
+
 	early_cpu_init();
 	early_ioremap_init();
 
@@ -893,13 +896,8 @@ void __init setup_arch(char **cmdline_p)
 	check_efer();
 #endif
 
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-	/*
-	 * Must be before kernel pagetables are setup
-	 * or fixmap area is touched.
-	 */
-	vmi_init();
-#endif
+	/* Must be before kernel pagetables are setup */
+	vmi_activate();
 
 	/* after early param, so could get panic from serial */
 	reserve_early_setup_data();

arch/x86/kernel/smpboot.c

@@ -289,9 +289,7 @@ static void __cpuinit start_secondary(void *unused)
 	 * fragile that we want to limit the things done here to the
 	 * most necessary things.
 	 */
-#ifdef CONFIG_VMI
 	vmi_bringup();
-#endif
 	cpu_init();
 	preempt_disable();
 	smp_callin();

arch/x86/kernel/vmi_32.c

@@ -960,8 +960,6 @@ static inline int __init activate_vmi(void)
 
 void __init vmi_init(void)
 {
-	unsigned long flags;
-
 	if (!vmi_rom)
 		probe_vmi_rom();
 	else
@@ -973,13 +971,21 @@ void __init vmi_init(void)
 
 	reserve_top_address(-vmi_rom->virtual_top);
 
-	local_irq_save(flags);
-	activate_vmi();
-
 #ifdef CONFIG_X86_IO_APIC
 	/* This is virtual hardware; timer routing is wired correctly */
 	no_timer_check = 1;
 #endif
+}
+
+void vmi_activate(void)
+{
+	unsigned long flags;
+
+	if (!vmi_rom)
+		return;
+
+	local_irq_save(flags);
+	activate_vmi();
 	local_irq_restore(flags & X86_EFLAGS_IF);
 }
 

drivers/acpi/toshiba_acpi.c

@@ -824,32 +824,36 @@ static int __init toshiba_acpi_init(void)
 			toshiba_acpi_exit();
 			return -ENOMEM;
 		}
-	}
 
-	/* Register input device for kill switch */
-	toshiba_acpi.poll_dev = input_allocate_polled_device();
-	if (!toshiba_acpi.poll_dev) {
-		printk(MY_ERR "unable to allocate kill-switch input device\n");
-		toshiba_acpi_exit();
-		return -ENOMEM;
-	}
-	toshiba_acpi.poll_dev->private = &toshiba_acpi;
-	toshiba_acpi.poll_dev->poll = bt_poll_rfkill;
-	toshiba_acpi.poll_dev->poll_interval = 1000; /* msecs */
-
-	toshiba_acpi.poll_dev->input->name = toshiba_acpi.rfk_name;
-	toshiba_acpi.poll_dev->input->id.bustype = BUS_HOST;
-	toshiba_acpi.poll_dev->input->id.vendor = 0x0930; /* Toshiba USB ID */
-	set_bit(EV_SW, toshiba_acpi.poll_dev->input->evbit);
-	set_bit(SW_RFKILL_ALL, toshiba_acpi.poll_dev->input->swbit);
-	input_report_switch(toshiba_acpi.poll_dev->input, SW_RFKILL_ALL, TRUE);
-	input_sync(toshiba_acpi.poll_dev->input);
-
-	ret = input_register_polled_device(toshiba_acpi.poll_dev);
-	if (ret) {
-		printk(MY_ERR "unable to register kill-switch input device\n");
-		toshiba_acpi_exit();
-		return ret;
+		/* Register input device for kill switch */
+		toshiba_acpi.poll_dev = input_allocate_polled_device();
+		if (!toshiba_acpi.poll_dev) {
+			printk(MY_ERR
+			       "unable to allocate kill-switch input device\n");
+			toshiba_acpi_exit();
+			return -ENOMEM;
+		}
+		toshiba_acpi.poll_dev->private = &toshiba_acpi;
+		toshiba_acpi.poll_dev->poll = bt_poll_rfkill;
+		toshiba_acpi.poll_dev->poll_interval = 1000; /* msecs */
+
+		toshiba_acpi.poll_dev->input->name = toshiba_acpi.rfk_name;
+		toshiba_acpi.poll_dev->input->id.bustype = BUS_HOST;
+		/* Toshiba USB ID */
+		toshiba_acpi.poll_dev->input->id.vendor = 0x0930;
+		set_bit(EV_SW, toshiba_acpi.poll_dev->input->evbit);
+		set_bit(SW_RFKILL_ALL, toshiba_acpi.poll_dev->input->swbit);
+		input_report_switch(toshiba_acpi.poll_dev->input,
+				    SW_RFKILL_ALL, TRUE);
+		input_sync(toshiba_acpi.poll_dev->input);
+
+		ret = input_register_polled_device(toshiba_acpi.poll_dev);
+		if (ret) {
+			printk(MY_ERR
+			       "unable to register kill-switch input device\n");
+			toshiba_acpi_exit();
+			return ret;
+		}
 	}
 
 	return 0;

drivers/ata/libata-core.c

@@ -4050,17 +4050,70 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "ST3160023AS",	"3.42",		ATA_HORKAGE_NONCQ },
 
 	/* Seagate NCQ + FLUSH CACHE firmware bug */
-	{ "ST31500341AS",	"9JU138",	ATA_HORKAGE_NONCQ |
+	{ "ST31500341AS",	"SD15",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
-	{ "ST31000333AS",	"9FZ136",	ATA_HORKAGE_NONCQ |
+	{ "ST31500341AS",	"SD16",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
-	{ "ST3640623AS",	"9FZ164",	ATA_HORKAGE_NONCQ |
+	{ "ST31500341AS",	"SD17",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
-	{ "ST3640323AS",	"9FZ134",	ATA_HORKAGE_NONCQ |
+	{ "ST31500341AS",	"SD18",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
-	{ "ST3320813AS",	"9FZ182",	ATA_HORKAGE_NONCQ |
+	{ "ST31500341AS",	"SD19",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
-	{ "ST3320613AS",	"9FZ162",	ATA_HORKAGE_NONCQ |
+
+	{ "ST31000333AS",	"SD15",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST31000333AS",	"SD16",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST31000333AS",	"SD17",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST31000333AS",	"SD18",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST31000333AS",	"SD19",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+
+	{ "ST3640623AS",	"SD15",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640623AS",	"SD16",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640623AS",	"SD17",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640623AS",	"SD18",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640623AS",	"SD19",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+
+	{ "ST3640323AS",	"SD15",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640323AS",	"SD16",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640323AS",	"SD17",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640323AS",	"SD18",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3640323AS",	"SD19",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+
+	{ "ST3320813AS",	"SD15",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320813AS",	"SD16",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320813AS",	"SD17",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320813AS",	"SD18",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320813AS",	"SD19",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+
+	{ "ST3320613AS",	"SD15",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320613AS",	"SD16",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320613AS",	"SD17",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320613AS",	"SD18",		ATA_HORKAGE_NONCQ |
+						ATA_HORKAGE_FIRMWARE_WARN },
+	{ "ST3320613AS",	"SD19",		ATA_HORKAGE_NONCQ |
 						ATA_HORKAGE_FIRMWARE_WARN },
 
 	/* Blacklist entries taken from Silicon Image 3124/3132

drivers/ata/pata_hpt366.c

@@ -183,7 +183,9 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask)
 			mask &= ~(0xF8 << ATA_SHIFT_UDMA);
 		if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4))
 			mask &= ~(0xF0 << ATA_SHIFT_UDMA);
-	}
+	} else if (adev->class == ATA_DEV_ATAPI)
+		mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
+
 	return ata_bmdma_mode_filter(adev, mask);
 }
 
@@ -211,11 +213,15 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)
 
 static int hpt36x_cable_detect(struct ata_port *ap)
 {
-	u8 ata66;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 ata66;
 
+	/*
+	 * Each channel of pata_hpt366 occupies separate PCI function
+	 * as the primary channel and bit1 indicates the cable type.
+	 */
 	pci_read_config_byte(pdev, 0x5A, &ata66);
-	if (ata66 & (1 << ap->port_no))
+	if (ata66 & 2)
 		return ATA_CBL_PATA40;
 	return ATA_CBL_PATA80;
 }

drivers/ieee1394/nodemgr.c

@@ -115,8 +115,14 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length,
 	return error;
 }
 
+#define OUI_FREECOM_TECHNOLOGIES_GMBH 0x0001db
+
 static int nodemgr_get_max_rom(quadlet_t *bus_info_data, void *__ci)
 {
+	/* Freecom FireWire Hard Drive firmware bug */
+	if (be32_to_cpu(bus_info_data[3]) >> 8 == OUI_FREECOM_TECHNOLOGIES_GMBH)
+		return 0;
+
 	return (be32_to_cpu(bus_info_data[2]) >> 8) & 0x3;
 }
 

drivers/net/e1000e/ich8lan.c

@@ -1893,12 +1893,17 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 		ctrl |= E1000_CTRL_PHY_RST;
 	}
 	ret_val = e1000_acquire_swflag_ich8lan(hw);
+	/* Whether or not the swflag was acquired, we need to reset the part */
 	hw_dbg(hw, "Issuing a global reset to ich8lan");
 	ew32(CTRL, (ctrl | E1000_CTRL_RST));
 	msleep(20);
 
-	/* release the swflag because it is not reset by hardware reset */
-	e1000_release_swflag_ich8lan(hw);
+	if (!ret_val) {
+		/* release the swflag because it is not reset by
+		 * hardware reset
+		 */
+		e1000_release_swflag_ich8lan(hw);
+	}
 
 	ret_val = e1000e_get_auto_rd_done(hw);
 	if (ret_val) {

drivers/net/sungem.c

@@ -1142,6 +1142,70 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
+static void gem_pcs_reset(struct gem *gp)
+{
+	int limit;
+	u32 val;
+
+	/* Reset PCS unit. */
+	val = readl(gp->regs + PCS_MIICTRL);
+	val |= PCS_MIICTRL_RST;
+	writel(val, gp->regs + PCS_MIICTRL);
+
+	limit = 32;
+	while (readl(gp->regs + PCS_MIICTRL) & PCS_MIICTRL_RST) {
+		udelay(100);
+		if (limit-- <= 0)
+			break;
+	}
+	if (limit <= 0)
+		printk(KERN_WARNING "%s: PCS reset bit would not clear.\n",
+		       gp->dev->name);
+}
+
+static void gem_pcs_reinit_adv(struct gem *gp)
+{
+	u32 val;
+
+	/* Make sure PCS is disabled while changing advertisement
+	 * configuration.
+	 */
+	val = readl(gp->regs + PCS_CFG);
+	val &= ~(PCS_CFG_ENABLE | PCS_CFG_TO);
+	writel(val, gp->regs + PCS_CFG);
+
+	/* Advertise all capabilities except assymetric
+	 * pause.
+	 */
+	val = readl(gp->regs + PCS_MIIADV);
+	val |= (PCS_MIIADV_FD | PCS_MIIADV_HD |
+		PCS_MIIADV_SP | PCS_MIIADV_AP);
+	writel(val, gp->regs + PCS_MIIADV);
+
+	/* Enable and restart auto-negotiation, disable wrapback/loopback,
+	 * and re-enable PCS.
+	 */
+	val = readl(gp->regs + PCS_MIICTRL);
+	val |= (PCS_MIICTRL_RAN | PCS_MIICTRL_ANE);
+	val &= ~PCS_MIICTRL_WB;
+	writel(val, gp->regs + PCS_MIICTRL);
+
+	val = readl(gp->regs + PCS_CFG);
+	val |= PCS_CFG_ENABLE;
+	writel(val, gp->regs + PCS_CFG);
+
+	/* Make sure serialink loopback is off.  The meaning
+	 * of this bit is logically inverted based upon whether
+	 * you are in Serialink or SERDES mode.
+	 */
+	val = readl(gp->regs + PCS_SCTRL);
+	if (gp->phy_type == phy_serialink)
+		val &= ~PCS_SCTRL_LOOP;
+	else
+		val |= PCS_SCTRL_LOOP;
+	writel(val, gp->regs + PCS_SCTRL);
+}
+
 #define STOP_TRIES 32
 
 /* Must be invoked under gp->lock and gp->tx_lock. */
@@ -1168,6 +1232,9 @@ static void gem_reset(struct gem *gp)
 
 	if (limit <= 0)
 		printk(KERN_ERR "%s: SW reset is ghetto.\n", gp->dev->name);
+
+	if (gp->phy_type == phy_serialink || gp->phy_type == phy_serdes)
+		gem_pcs_reinit_adv(gp);
 }
 
 /* Must be invoked under gp->lock and gp->tx_lock. */
@@ -1324,7 +1391,7 @@ static int gem_set_link_modes(struct gem *gp)
 	    	   gp->phy_type == phy_serdes) {
 		u32 pcs_lpa = readl(gp->regs + PCS_MIILP);
 
-		if (pcs_lpa & PCS_MIIADV_FD)
+		if ((pcs_lpa & PCS_MIIADV_FD) || gp->phy_type == phy_serdes)
 			full_duplex = 1;
 		speed = SPEED_1000;
 	}
@@ -1488,6 +1555,9 @@ static void gem_link_timer(unsigned long data)
 			val = readl(gp->regs + PCS_MIISTAT);
 
 		if ((val & PCS_MIISTAT_LS) != 0) {
+			if (gp->lstate == link_up)
+				goto restart;
+
 			gp->lstate = link_up;
 			netif_carrier_on(gp->dev);
 			(void)gem_set_link_modes(gp);
@@ -1708,61 +1778,8 @@ static void gem_init_phy(struct gem *gp)
 		if (gp->phy_mii.def && gp->phy_mii.def->ops->init)
 			gp->phy_mii.def->ops->init(&gp->phy_mii);
 	} else {
-		u32 val;
-		int limit;
-
-		/* Reset PCS unit. */
-		val = readl(gp->regs + PCS_MIICTRL);
-		val |= PCS_MIICTRL_RST;
-		writel(val, gp->regs + PCS_MIICTRL);
-
-		limit = 32;
-		while (readl(gp->regs + PCS_MIICTRL) & PCS_MIICTRL_RST) {
-			udelay(100);
-			if (limit-- <= 0)
-				break;
-		}
-		if (limit <= 0)
-			printk(KERN_WARNING "%s: PCS reset bit would not clear.\n",
-			       gp->dev->name);
-
-		/* Make sure PCS is disabled while changing advertisement
-		 * configuration.
-		 */
-		val = readl(gp->regs + PCS_CFG);
-		val &= ~(PCS_CFG_ENABLE | PCS_CFG_TO);
-		writel(val, gp->regs + PCS_CFG);
-
-		/* Advertise all capabilities except assymetric
-		 * pause.
-		 */
-		val = readl(gp->regs + PCS_MIIADV);
-		val |= (PCS_MIIADV_FD | PCS_MIIADV_HD |
-			PCS_MIIADV_SP | PCS_MIIADV_AP);
-		writel(val, gp->regs + PCS_MIIADV);
-
-		/* Enable and restart auto-negotiation, disable wrapback/loopback,
-		 * and re-enable PCS.
-		 */
-		val = readl(gp->regs + PCS_MIICTRL);
-		val |= (PCS_MIICTRL_RAN | PCS_MIICTRL_ANE);
-		val &= ~PCS_MIICTRL_WB;
-		writel(val, gp->regs + PCS_MIICTRL);
-
-		val = readl(gp->regs + PCS_CFG);
-		val |= PCS_CFG_ENABLE;
-		writel(val, gp->regs + PCS_CFG);
-
-		/* Make sure serialink loopback is off.  The meaning
-		 * of this bit is logically inverted based upon whether
-		 * you are in Serialink or SERDES mode.
-		 */
-		val = readl(gp->regs + PCS_SCTRL);
-		if (gp->phy_type == phy_serialink)
-			val &= ~PCS_SCTRL_LOOP;
-		else
-			val |= PCS_SCTRL_LOOP;
-		writel(val, gp->regs + PCS_SCTRL);
+		gem_pcs_reset(gp);
+		gem_pcs_reinit_adv(gp);
 	}
 
 	/* Default aneg parameters */
@@ -2680,6 +2697,21 @@ static int gem_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 		cmd->speed = 0;
 		cmd->duplex = cmd->port = cmd->phy_address =
 			cmd->transceiver = cmd->autoneg = 0;
+
+		/* serdes means usually a Fibre connector, with most fixed */
+		if (gp->phy_type == phy_serdes) {
+			cmd->port = PORT_FIBRE;
+			cmd->supported = (SUPPORTED_1000baseT_Half |
+				SUPPORTED_1000baseT_Full |
+				SUPPORTED_FIBRE | SUPPORTED_Autoneg |
+				SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+			cmd->advertising = cmd->supported;
+			cmd->transceiver = XCVR_INTERNAL;
+			if (gp->lstate == link_up)
+				cmd->speed = SPEED_1000;
+			cmd->duplex = DUPLEX_FULL;
+			cmd->autoneg = 1;
+		}
 	}
 	cmd->maxtxpkt = cmd->maxrxpkt = 0;
 

drivers/pcmcia/bfin_cf_pcmcia.c

@@ -334,6 +334,6 @@ static void __exit bfin_cf_exit(void)
 module_init(bfin_cf_init);
 module_exit(bfin_cf_exit);
 
-MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>")
+MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
 MODULE_DESCRIPTION("BFIN CF/PCMCIA Driver");
 MODULE_LICENSE("GPL");

drivers/sh/maple/maple.c

@@ -827,7 +827,7 @@ static int __init maple_bus_init(void)
 
 	maple_queue_cache =
 	    kmem_cache_create("maple_queue_cache", 0x400, 0,
-			      SLAB_POISON|SLAB_HWCACHE_ALIGN, NULL);
+			      SLAB_HWCACHE_ALIGN, NULL);
 
 	if (!maple_queue_cache)
 		goto cleanup_bothirqs;

include/linux/netdevice.h

@@ -319,6 +319,7 @@ enum
 {
 	NAPI_STATE_SCHED,	/* Poll is scheduled */
 	NAPI_STATE_DISABLE,	/* Disable pending */
+	NAPI_STATE_NPSVC,	/* Netpoll - don't dequeue from poll_list */
 };
 
 extern void __napi_schedule(struct napi_struct *n);
@@ -1497,6 +1498,12 @@ static inline void netif_rx_complete(struct net_device *dev,
 {
 	unsigned long flags;
 
+	/*
+	 * don't let napi dequeue from the cpu poll list
+	 * just in case its running on a different cpu
+	 */
+	if (unlikely(test_bit(NAPI_STATE_NPSVC, &napi->state)))
+		return;
 	local_irq_save(flags);
 	__netif_rx_complete(dev, napi);
 	local_irq_restore(flags);

include/linux/smp.h

@@ -146,6 +146,8 @@ static inline void smp_send_reschedule(int cpu) { }
 })
 #define smp_call_function_mask(mask, func, info, wait) \
 			(up_smp_call_function(func, info))
+#define smp_call_function_many(mask, func, info, wait) \
+			(up_smp_call_function(func, info))
 static inline void init_call_single_data(void)
 {
 }

kernel/cgroup.c

@@ -702,7 +702,7 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 	 * any child cgroups exist. This is theoretically supportable
 	 * but involves complex error handling, so it's being left until
 	 * later */
-	if (!list_empty(&cgrp->children))
+	if (root->number_of_cgroups > 1)
 		return -EBUSY;
 
 	/* Process each subsystem */

kernel/sched_clock.c

@@ -118,13 +118,13 @@ static u64 __update_sched_clock(struct sched_clock_data *scd, u64 now)
 
 	/*
 	 * scd->clock = clamp(scd->tick_gtod + delta,
-	 *		      max(scd->tick_gtod, scd->clock),
-	 *		      max(scd->clock, scd->tick_gtod + TICK_NSEC));
+	 * 		      max(scd->tick_gtod, scd->clock),
+	 * 		      scd->tick_gtod + TICK_NSEC);
 	 */
 
 	clock = scd->tick_gtod + delta;
 	min_clock = wrap_max(scd->tick_gtod, scd->clock);
-	max_clock = wrap_max(scd->clock, scd->tick_gtod + TICK_NSEC);
+	max_clock = scd->tick_gtod + TICK_NSEC;
 
 	clock = wrap_max(clock, min_clock);
 	clock = wrap_min(clock, max_clock);

mm/migrate.c

@@ -998,7 +998,7 @@ static void do_pages_stat_array(struct mm_struct *mm, unsigned long nr_pages,
 		unsigned long addr = (unsigned long)(*pages);
 		struct vm_area_struct *vma;
 		struct page *page;
-		int err;
+		int err = -EFAULT;
 
 		vma = find_vma(mm, addr);
 		if (!vma)

mm/slob.c

@@ -535,7 +535,7 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 	struct kmem_cache *c;
 
 	c = slob_alloc(sizeof(struct kmem_cache),
-		flags, ARCH_KMALLOC_MINALIGN, -1);
+		GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1);
 
 	if (c) {
 		c->name = name;

net/core/netpoll.c

@@ -133,9 +133,11 @@ static int poll_one_napi(struct netpoll_info *npinfo,
 
 	npinfo->rx_flags |= NETPOLL_RX_DROP;
 	atomic_inc(&trapped);
+	set_bit(NAPI_STATE_NPSVC, &napi->state);
 
 	work = napi->poll(napi, budget);
 
+	clear_bit(NAPI_STATE_NPSVC, &napi->state);
 	atomic_dec(&trapped);
 	npinfo->rx_flags &= ~NETPOLL_RX_DROP;
 

net/ipv4/netfilter/nf_nat_rule.c

@@ -61,7 +61,7 @@ static struct
 static struct xt_table nat_table = {
 	.name		= "nat",
 	.valid_hooks	= NAT_VALID_HOOKS,
-	.lock		= __RW_LOCK_UNLOCKED(__nat_table.lock),
+	.lock		= __RW_LOCK_UNLOCKED(nat_table.lock),
 	.me		= THIS_MODULE,
 	.af		= AF_INET,
 };

net/ipv4/tcp_vegas.c

@@ -40,18 +40,14 @@
 
 #include "tcp_vegas.h"
 
-/* Default values of the Vegas variables, in fixed-point representation
- * with V_PARAM_SHIFT bits to the right of the binary point.
- */
-#define V_PARAM_SHIFT 1
-static int alpha = 2<<V_PARAM_SHIFT;
-static int beta  = 4<<V_PARAM_SHIFT;
-static int gamma = 1<<V_PARAM_SHIFT;
+static int alpha = 2;
+static int beta  = 4;
+static int gamma = 1;
 
 module_param(alpha, int, 0644);
-MODULE_PARM_DESC(alpha, "lower bound of packets in network (scale by 2)");
+MODULE_PARM_DESC(alpha, "lower bound of packets in network");
 module_param(beta, int, 0644);
-MODULE_PARM_DESC(beta, "upper bound of packets in network (scale by 2)");
+MODULE_PARM_DESC(beta, "upper bound of packets in network");
 module_param(gamma, int, 0644);
 MODULE_PARM_DESC(gamma, "limit on increase (scale by 2)");
 
@@ -172,49 +168,13 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 		return;
 	}
 
-	/* The key players are v_beg_snd_una and v_beg_snd_nxt.
-	 *
-	 * These are so named because they represent the approximate values
-	 * of snd_una and snd_nxt at the beginning of the current RTT. More
-	 * precisely, they represent the amount of data sent during the RTT.
-	 * At the end of the RTT, when we receive an ACK for v_beg_snd_nxt,
-	 * we will calculate that (v_beg_snd_nxt - v_beg_snd_una) outstanding
-	 * bytes of data have been ACKed during the course of the RTT, giving
-	 * an "actual" rate of:
-	 *
-	 *     (v_beg_snd_nxt - v_beg_snd_una) / (rtt duration)
-	 *
-	 * Unfortunately, v_beg_snd_una is not exactly equal to snd_una,
-	 * because delayed ACKs can cover more than one segment, so they
-	 * don't line up nicely with the boundaries of RTTs.
-	 *
-	 * Another unfortunate fact of life is that delayed ACKs delay the
-	 * advance of the left edge of our send window, so that the number
-	 * of bytes we send in an RTT is often less than our cwnd will allow.
-	 * So we keep track of our cwnd separately, in v_beg_snd_cwnd.
-	 */
-
 	if (after(ack, vegas->beg_snd_nxt)) {
 		/* Do the Vegas once-per-RTT cwnd adjustment. */
-		u32 old_wnd, old_snd_cwnd;
-
-
-		/* Here old_wnd is essentially the window of data that was
-		 * sent during the previous RTT, and has all
-		 * been acknowledged in the course of the RTT that ended
-		 * with the ACK we just received. Likewise, old_snd_cwnd
-		 * is the cwnd during the previous RTT.
-		 */
-		old_wnd = (vegas->beg_snd_nxt - vegas->beg_snd_una) /
-			tp->mss_cache;
-		old_snd_cwnd = vegas->beg_snd_cwnd;
 
 		/* Save the extent of the current window so we can use this
 		 * at the end of the next RTT.
 		 */
-		vegas->beg_snd_una  = vegas->beg_snd_nxt;
 		vegas->beg_snd_nxt  = tp->snd_nxt;
-		vegas->beg_snd_cwnd = tp->snd_cwnd;
 
 		/* We do the Vegas calculations only if we got enough RTT
 		 * samples that we can be reasonably sure that we got
@@ -252,22 +212,14 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 			 *
 			 * This is:
 			 *     (actual rate in segments) * baseRTT
-			 * We keep it as a fixed point number with
-			 * V_PARAM_SHIFT bits to the right of the binary point.
 			 */
-			target_cwnd = ((u64)old_wnd * vegas->baseRTT);
-			target_cwnd <<= V_PARAM_SHIFT;
-			do_div(target_cwnd, rtt);
+			target_cwnd = tp->snd_cwnd * vegas->baseRTT / rtt;
 
 			/* Calculate the difference between the window we had,
 			 * and the window we would like to have. This quantity
 			 * is the "Diff" from the Arizona Vegas papers.
-			 *
-			 * Again, this is a fixed point number with
-			 * V_PARAM_SHIFT bits to the right of the binary
-			 * point.
 			 */
-			diff = (old_wnd << V_PARAM_SHIFT) - target_cwnd;
+			diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
 
 			if (diff > gamma && tp->snd_ssthresh > 2 ) {
 				/* Going too fast. Time to slow down
@@ -282,16 +234,13 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 				 * truncation robs us of full link
 				 * utilization.
 				 */
-				tp->snd_cwnd = min(tp->snd_cwnd,
-						   ((u32)target_cwnd >>
-						    V_PARAM_SHIFT)+1);
+				tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
 
 			} else if (tp->snd_cwnd <= tp->snd_ssthresh) {
 				/* Slow start.  */
 				tcp_slow_start(tp);
 			} else {
 				/* Congestion avoidance. */
-				u32 next_snd_cwnd;
 
 				/* Figure out where we would like cwnd
 				 * to be.
@@ -300,26 +249,17 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 					/* The old window was too fast, so
 					 * we slow down.
 					 */
-					next_snd_cwnd = old_snd_cwnd - 1;
+					tp->snd_cwnd--;
 				} else if (diff < alpha) {
 					/* We don't have enough extra packets
 					 * in the network, so speed up.
 					 */
-					next_snd_cwnd = old_snd_cwnd + 1;
+					tp->snd_cwnd++;
 				} else {
 					/* Sending just as fast as we
 					 * should be.
 					 */
-					next_snd_cwnd = old_snd_cwnd;
 				}
-
-				/* Adjust cwnd upward or downward, toward the
-				 * desired value.
-				 */
-				if (next_snd_cwnd > tp->snd_cwnd)
-					tp->snd_cwnd++;
-				else if (next_snd_cwnd < tp->snd_cwnd)
-					tp->snd_cwnd--;
 			}
 
 			if (tp->snd_cwnd < 2)

net/ipv6/ndisc.c

@@ -912,8 +912,13 @@ static void ndisc_recv_na(struct sk_buff *skb)
 		   is invalid, but ndisc specs say nothing
 		   about it. It could be misconfiguration, or
 		   an smart proxy agent tries to help us :-)
+
+		   We should not print the error if NA has been
+		   received from loopback - it is just our own
+		   unsolicited advertisement.
 		 */
-		ND_PRINTK1(KERN_WARNING
+		if (skb->pkt_type != PACKET_LOOPBACK)
+			ND_PRINTK1(KERN_WARNING
 			   "ICMPv6 NA: someone advertises our address on %s!\n",
 			   ifp->idev->dev->name);
 		in6_ifa_put(ifp);

net/netlabel/netlabel_unlabeled.c

@@ -562,7 +562,6 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
 				      const struct in_addr *mask,
 				      struct netlbl_audit *audit_info)
 {
-	int ret_val = 0;
 	struct netlbl_af4list *list_entry;
 	struct netlbl_unlhsh_addr4 *entry;
 	struct audit_buffer *audit_buf;
@@ -577,7 +576,7 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
 	if (list_entry != NULL)
 		entry = netlbl_unlhsh_addr4_entry(list_entry);
 	else
-		ret_val = -ENOENT;
+		entry = NULL;
 
 	audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
 					      audit_info);
@@ -588,19 +587,21 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
 					  addr->s_addr, mask->s_addr);
 		if (dev != NULL)
 			dev_put(dev);
-		if (entry && security_secid_to_secctx(entry->secid,
-						      &secctx,
-						      &secctx_len) == 0) {
+		if (entry != NULL &&
+		    security_secid_to_secctx(entry->secid,
+					     &secctx, &secctx_len) == 0) {
 			audit_log_format(audit_buf, " sec_obj=%s", secctx);
 			security_release_secctx(secctx, secctx_len);
 		}
-		audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+		audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
 		audit_log_end(audit_buf);
 	}
 
-	if (ret_val == 0)
-		call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
-	return ret_val;
+	if (entry == NULL)
+		return -ENOENT;
+
+	call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
+	return 0;
 }
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -624,7 +625,6 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
 				      const struct in6_addr *mask,
 				      struct netlbl_audit *audit_info)
 {
-	int ret_val = 0;
 	struct netlbl_af6list *list_entry;
 	struct netlbl_unlhsh_addr6 *entry;
 	struct audit_buffer *audit_buf;
@@ -638,7 +638,7 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
 	if (list_entry != NULL)
 		entry = netlbl_unlhsh_addr6_entry(list_entry);
 	else
-		ret_val = -ENOENT;
+		entry = NULL;
 
 	audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
 					      audit_info);
@@ -649,19 +649,21 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
 					  addr, mask);
 		if (dev != NULL)
 			dev_put(dev);
-		if (entry && security_secid_to_secctx(entry->secid,
-						      &secctx,
-						      &secctx_len) == 0) {
+		if (entry != NULL &&
+		    security_secid_to_secctx(entry->secid,
+					     &secctx, &secctx_len) == 0) {
 			audit_log_format(audit_buf, " sec_obj=%s", secctx);
 			security_release_secctx(secctx, secctx_len);
 		}
-		audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+		audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
 		audit_log_end(audit_buf);
 	}
 
-	if (ret_val == 0)
-		call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
-	return ret_val;
+	if (entry == NULL)
+		return -ENOENT;
+
+	call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
+	return 0;
 }
 #endif /* IPv6 */
 

net/phonet/pep-gprs.c

@@ -155,12 +155,13 @@ static void gprs_data_ready(struct sock *sk, int len)
 static void gprs_write_space(struct sock *sk)
 {
 	struct gprs_dev *dev = sk->sk_user_data;
+	struct net_device *net = dev->net;
 	unsigned credits = pep_writeable(sk);
 
 	spin_lock_bh(&dev->tx_lock);
 	dev->tx_max = credits;
-	if (credits > skb_queue_len(&dev->tx_queue))
-		netif_wake_queue(dev->net);
+	if (credits > skb_queue_len(&dev->tx_queue) && netif_running(net))
+		netif_wake_queue(net);
 	spin_unlock_bh(&dev->tx_lock);
 }
 
@@ -168,6 +169,23 @@ static void gprs_write_space(struct sock *sk)
  * Network device callbacks
  */
 
+static int gprs_open(struct net_device *dev)
+{
+	struct gprs_dev *gp = netdev_priv(dev);
+
+	gprs_write_space(gp->sk);
+	return 0;
+}
+
+static int gprs_close(struct net_device *dev)
+{
+	struct gprs_dev *gp = netdev_priv(dev);
+
+	netif_stop_queue(dev);
+	flush_work(&gp->tx_work);
+	return 0;
+}
+
 static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
 {
 	struct gprs_dev *dev = netdev_priv(net);
@@ -254,6 +272,8 @@ static void gprs_setup(struct net_device *net)
 	net->tx_queue_len	= 10;
 
 	net->destructor		= free_netdev;
+	net->open		= gprs_open;
+	net->stop		= gprs_close;
 	net->hard_start_xmit	= gprs_xmit; /* mandatory */
 	net->change_mtu		= gprs_set_mtu;
 	net->get_stats		= gprs_get_stats;
@@ -318,7 +338,6 @@ int gprs_attach(struct sock *sk)
 	dev->sk = sk;
 
 	printk(KERN_DEBUG"%s: attached\n", net->name);
-	gprs_write_space(sk); /* kick off TX */
 	return net->ifindex;
 
 out_rel:
@@ -341,7 +360,5 @@ void gprs_detach(struct sock *sk)
 
 	printk(KERN_DEBUG"%s: detached\n", net->name);
 	unregister_netdev(net);
-	flush_scheduled_work();
 	sock_put(sk);
-	skb_queue_purge(&dev->tx_queue);
 }

net/sched/sch_netem.c

@@ -46,9 +46,6 @@
 	 layering other disciplines.  It does not need to do bandwidth
 	 control either since that can be handled by using token
 	 bucket or other rate control.
-
-	 The simulator is limited by the Linux timer resolution
-	 and will create packet bursts on the HZ boundary (1ms).
 */
 
 struct netem_sched_data {