diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e5b447a..c417877 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -883,6 +883,14 @@
 	lapic_timer_c2_ok	[X86-32,x86-64,APIC] trust the local apic timer in
 			C2 power state.
 
+	libata.dma=	[LIBATA] DMA control
+			libata.dma=0	  Disable all PATA and SATA DMA
+			libata.dma=1	  PATA and SATA Disk DMA only
+			libata.dma=2	  ATAPI (CDROM) DMA only
+			libata.dma=4	  Compact Flash DMA only 
+			Combinations also work, so libata.dma=3 enables DMA
+			for disks and CDROMs, but not CFs.
+
 	libata.noacpi	[LIBATA] Disables use of ACPI in libata suspend/resume
 			when set.
 			Format: <int>
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 7f6ddcb..f8a535a 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -269,7 +269,7 @@
 
 static void __init bootmem_init(void)
 {
-	unsigned long init_begin, reserved_end;
+	unsigned long reserved_end;
 	unsigned long mapstart = ~0UL;
 	unsigned long bootmap_size;
 	int i;
@@ -344,7 +344,6 @@
 					 min_low_pfn, max_low_pfn);
 
 
-	init_begin = PFN_UP(__pa_symbol(&__init_begin));
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
 		unsigned long start, end;
 
@@ -352,8 +351,8 @@
 		end = PFN_DOWN(boot_mem_map.map[i].addr
 				+ boot_mem_map.map[i].size);
 
-		if (start <= init_begin)
-			start = init_begin;
+		if (start <= min_low_pfn)
+			start = min_low_pfn;
 		if (start >= end)
 			continue;
 
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
index 5332449..460626b 100644
--- a/arch/mips/lasat/image/Makefile
+++ b/arch/mips/lasat/image/Makefile
@@ -12,11 +12,11 @@
 
 MKLASATIMG = mklasatimg
 MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
-KERNEL_IMAGE = $(TOPDIR)/vmlinux
+KERNEL_IMAGE = vmlinux
 KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
 KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
 
-LDSCRIPT= -L$(obj) -Tromscript.normal
+LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
 
 HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
 		-D_kernel_entry=0x$(KERNEL_ENTRY) \
@@ -24,7 +24,7 @@
 		-D TIMESTAMP=$(shell date +%s)
 
 $(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
-	$(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
+	$(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
 
 OBJECTS = head.o kImage.o
 
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
index 2c5c27c8..dc272c1 100644
--- a/arch/mips/mips-boards/generic/memory.c
+++ b/arch/mips/mips-boards/generic/memory.c
@@ -169,7 +169,6 @@
 
 void __init prom_free_prom_memory(void)
 {
-#if 0 /* for now ...  */
 	unsigned long addr;
 	int i;
 
@@ -181,5 +180,4 @@
 		free_init_pages("prom memory",
 				addr, addr + boot_mem_map.map[i].size);
 	}
-#endif
 }
diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c
index 7a1bb51..583d468 100644
--- a/arch/mips/mips-boards/generic/reset.c
+++ b/arch/mips/mips-boards/generic/reset.c
@@ -39,16 +39,18 @@
 
 static void mips_machine_restart(char *command)
 {
-	unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+	unsigned int __iomem *softres_reg =
+		ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-	writew(GORESET, softres_reg);
+	__raw_writel(GORESET, softres_reg);
 }
 
 static void mips_machine_halt(void)
 {
-        unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
+	unsigned int __iomem *softres_reg =
+		ioremap(SOFTRES_REG, sizeof(unsigned int));
 
-	writew(GORESET, softres_reg);
+	__raw_writel(GORESET, softres_reg);
 }
 
 #if defined(CONFIG_MIPS_ATLAS)
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index ae76795..810535d 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -45,7 +45,7 @@
 	/* ignore region specifiers */
 	gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
 
-#ifdef CONFIG_ZONE_DMA32
+#ifdef CONFIG_ZONE_DMA
 	if (dev == NULL)
 		gfp |= __GFP_DMA;
 	else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c
index e818fd0..6d494e0 100644
--- a/arch/mips/philips/pnx8550/common/time.c
+++ b/arch/mips/philips/pnx8550/common/time.c
@@ -22,7 +22,6 @@
 #include <linux/kernel_stat.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
 
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
@@ -41,11 +40,60 @@
 	return read_c0_count2();
 }
 
+static struct clocksource pnx_clocksource = {
+	.name		= "pnx8xxx",
+	.rating		= 200,
+	.read		= hpt_read,
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
 static void timer_ack(void)
 {
 	write_c0_compare(cpj);
 }
 
+static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id)
+{
+	struct clock_event_device *c = dev_id;
+
+	/* clear MATCH, signal the event */
+	c->event_handler(c);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction pnx8xxx_timer_irq = {
+	.handler	= pnx8xxx_timer_interrupt,
+	.flags		= IRQF_DISABLED | IRQF_PERCPU,
+	.name		= "pnx8xxx_timer",
+};
+
+static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
+{
+	/* Timer 2 clear interrupt */
+	write_c0_compare2(-1);
+	return IRQ_HANDLED;
+}
+
+static struct irqaction monotonic_irqaction = {
+	.handler = monotonic_interrupt,
+	.flags = IRQF_DISABLED,
+	.name = "Monotonic timer",
+};
+
+static int pnx8xxx_set_next_event(unsigned long delta,
+				struct clock_event_device *evt)
+{
+	write_c0_compare(delta);
+	return 0;
+}
+
+static struct clock_event_device pnx8xxx_clockevent = {
+	.name		= "pnx8xxx_clockevent",
+	.features	= CLOCK_EVT_FEAT_ONESHOT,
+	.set_next_event = pnx8xxx_set_next_event,
+};
+
 /*
  * plat_time_init() - it does the following things:
  *
@@ -58,11 +106,34 @@
 
 __init void plat_time_init(void)
 {
+	unsigned int             configPR;
 	unsigned int             n;
 	unsigned int             m;
 	unsigned int             p;
 	unsigned int             pow2p;
 
+	clockevents_register_device(&pnx8xxx_clockevent);
+	clocksource_register(&pnx_clocksource);
+
+	setup_irq(PNX8550_INT_TIMER1, &pnx8xxx_timer_irq);
+	setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
+
+	/* Timer 1 start */
+	configPR = read_c0_config7();
+	configPR &= ~0x00000008;
+	write_c0_config7(configPR);
+
+	/* Timer 2 start */
+	configPR = read_c0_config7();
+	configPR &= ~0x00000010;
+	write_c0_config7(configPR);
+
+	/* Timer 3 stop */
+	configPR = read_c0_config7();
+	configPR |= 0x00000020;
+	write_c0_config7(configPR);
+
+
         /* PLL0 sets MIPS clock (PLL1 <=> TM1, PLL6 <=> TM2, PLL5 <=> mem) */
         /* (but only if CLK_MIPS_CTL select value [bits 3:1] is 1:  FIXME) */
 
@@ -87,42 +158,6 @@
 	write_c0_count2(0);
 	write_c0_compare2(0xffffffff);
 
-	clocksource_mips.read = hpt_read;
-	mips_timer_ack = timer_ack;
 }
 
-static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
-{
-	/* Timer 2 clear interrupt */
-	write_c0_compare2(-1);
-	return IRQ_HANDLED;
-}
 
-static struct irqaction monotonic_irqaction = {
-	.handler = monotonic_interrupt,
-	.flags = IRQF_DISABLED,
-	.name = "Monotonic timer",
-};
-
-void __init plat_timer_setup(struct irqaction *irq)
-{
-	int configPR;
-
-	setup_irq(PNX8550_INT_TIMER1, irq);
-	setup_irq(PNX8550_INT_TIMER2, &monotonic_irqaction);
-
-	/* Timer 1 start */
-	configPR = read_c0_config7();
-	configPR &= ~0x00000008;
-	write_c0_config7(configPR);
-
-	/* Timer 2 start */
-	configPR = read_c0_config7();
-	configPR &= ~0x00000010;
-	write_c0_config7(configPR);
-
-	/* Timer 3 stop */
-	configPR = read_c0_config7();
-	configPR |= 0x00000020;
-	write_c0_config7(configPR);
-}
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 17089a0..af045ca 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -2256,14 +2256,12 @@
 		apm_info.disabled = 1;
 		return -ENODEV;
 	}
-	if (PM_IS_ACTIVE()) {
+	if (pm_flags & PM_ACPI) {
 		printk(KERN_NOTICE "apm: overridden by ACPI.\n");
 		apm_info.disabled = 1;
 		return -ENODEV;
 	}
-#ifdef CONFIG_PM_LEGACY
-	pm_active = 1;
-#endif
+	pm_flags |= PM_APM;
 
 	/*
 	 * Set up a segment that references the real mode segment 0x40
@@ -2366,9 +2364,7 @@
 		kthread_stop(kapmd_task);
 		kapmd_task = NULL;
 	}
-#ifdef CONFIG_PM_LEGACY
-	pm_active = 0;
-#endif
+	pm_flags &= ~PM_APM;
 }
 
 module_init(apm_init);
diff --git a/block/blktrace.c b/block/blktrace.c
index 498a0a5..9b4da4a 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -25,7 +25,6 @@
 #include <linux/time.h>
 #include <asm/uaccess.h>
 
-static DEFINE_PER_CPU(unsigned long long, blk_trace_cpu_offset) = { 0, };
 static unsigned int blktrace_seq __read_mostly = 1;
 
 /*
@@ -41,7 +40,7 @@
 		const int cpu = smp_processor_id();
 
 		t->magic = BLK_IO_TRACE_MAGIC | BLK_IO_TRACE_VERSION;
-		t->time = cpu_clock(cpu) - per_cpu(blk_trace_cpu_offset, cpu);
+		t->time = ktime_to_ns(ktime_get());
 		t->device = bt->dev;
 		t->action = action;
 		t->pid = pid;
@@ -159,7 +158,7 @@
 
 		t->magic = BLK_IO_TRACE_MAGIC | BLK_IO_TRACE_VERSION;
 		t->sequence = ++(*sequence);
-		t->time = cpu_clock(cpu) - per_cpu(blk_trace_cpu_offset, cpu);
+		t->time = ktime_to_ns(ktime_get());
 		t->sector = sector;
 		t->bytes = bytes;
 		t->action = what;
@@ -179,7 +178,7 @@
 EXPORT_SYMBOL_GPL(__blk_add_trace);
 
 static struct dentry *blk_tree_root;
-static struct mutex blk_tree_mutex;
+static DEFINE_MUTEX(blk_tree_mutex);
 static unsigned int root_users;
 
 static inline void blk_remove_root(void)
@@ -505,77 +504,3 @@
 		blk_trace_remove(q);
 	}
 }
-
-/*
- * Average offset over two calls to cpu_clock() with a gettimeofday()
- * in the middle
- */
-static void blk_check_time(unsigned long long *t, int this_cpu)
-{
-	unsigned long long a, b;
-	struct timeval tv;
-
-	a = cpu_clock(this_cpu);
-	do_gettimeofday(&tv);
-	b = cpu_clock(this_cpu);
-
-	*t = tv.tv_sec * 1000000000 + tv.tv_usec * 1000;
-	*t -= (a + b) / 2;
-}
-
-/*
- * calibrate our inter-CPU timings
- */
-static void blk_trace_check_cpu_time(void *data)
-{
-	unsigned long long *t;
-	int this_cpu = get_cpu();
-
-	t = &per_cpu(blk_trace_cpu_offset, this_cpu);
-
-	/*
-	 * Just call it twice, hopefully the second call will be cache hot
-	 * and a little more precise
-	 */
-	blk_check_time(t, this_cpu);
-	blk_check_time(t, this_cpu);
-
-	put_cpu();
-}
-
-static void blk_trace_set_ht_offsets(void)
-{
-#if defined(CONFIG_SCHED_SMT)
-	int cpu, i;
-
-	/*
-	 * now make sure HT siblings have the same time offset
-	 */
-	preempt_disable();
-	for_each_online_cpu(cpu) {
-		unsigned long long *cpu_off, *sibling_off;
-
-		for_each_cpu_mask(i, per_cpu(cpu_sibling_map, cpu)) {
-			if (i == cpu)
-				continue;
-
-			cpu_off = &per_cpu(blk_trace_cpu_offset, cpu);
-			sibling_off = &per_cpu(blk_trace_cpu_offset, i);
-			*sibling_off = *cpu_off;
-		}
-	}
-	preempt_enable();
-#endif
-}
-
-static __init int blk_trace_init(void)
-{
-	mutex_init(&blk_tree_mutex);
-	on_each_cpu(blk_trace_check_cpu_time, NULL, 1, 1);
-	blk_trace_set_ht_offsets();
-
-	return 0;
-}
-
-module_init(blk_trace_init);
-
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index b9f923e..ccf6ea9 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -82,6 +82,12 @@
 	  and functions, which do not yet exist in /sys
 
 	  Say N to delete power /proc/acpi/ folders that have moved to /sys/
+config ACPI_SYSFS_POWER
+	bool "Future power /sys interface"
+	select POWER_SUPPLY
+	default y
+	---help---
+	  Say N to disable power /sys interface
 config ACPI_PROC_EVENT
 	bool "Deprecated /proc/acpi/event support"
 	depends on PROC_FS
@@ -103,7 +109,6 @@
 config ACPI_AC
 	tristate "AC Adapter"
 	depends on X86
-	select POWER_SUPPLY
 	default y
 	help
 	  This driver adds support for the AC Adapter object, which indicates
@@ -113,7 +118,6 @@
 config ACPI_BATTERY
 	tristate "Battery"
 	depends on X86
-	select POWER_SUPPLY
 	default y
 	help
 	  This driver adds support for battery information through
@@ -368,7 +372,6 @@
 config ACPI_SBS
 	tristate "Smart Battery System"
 	depends on X86
-	select POWER_SUPPLY
 	help
 	  This driver adds support for the Smart Battery System, another
 	  type of access to battery information, found on some laptops.
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 76ed4f5..76b9bea9 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -31,7 +31,9 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 #include <linux/power_supply.h>
+#endif
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
@@ -79,7 +81,9 @@
 };
 
 struct acpi_ac {
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	struct power_supply charger;
+#endif
 	struct acpi_device * device;
 	unsigned long state;
 };
@@ -94,7 +98,7 @@
 	.release = single_release,
 };
 #endif
-
+#ifdef CONFIG_ACPI_SYSFS_POWER
 static int get_ac_property(struct power_supply *psy,
 			   enum power_supply_property psp,
 			   union power_supply_propval *val)
@@ -113,7 +117,7 @@
 static enum power_supply_property ac_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 };
-
+#endif
 /* --------------------------------------------------------------------------
                                AC Adapter Management
    -------------------------------------------------------------------------- */
@@ -241,7 +245,9 @@
 		acpi_bus_generate_netlink_event(device->pnp.device_class,
 						  device->dev.bus_id, event,
 						  (u32) ac->state);
+#ifdef CONFIG_ACPI_SYSFS_POWER
 		kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+#endif
 		break;
 	default:
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -280,12 +286,14 @@
 #endif
 	if (result)
 		goto end;
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	ac->charger.name = acpi_device_bid(device);
 	ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
 	ac->charger.properties = ac_props;
 	ac->charger.num_properties = ARRAY_SIZE(ac_props);
 	ac->charger.get_property = get_ac_property;
 	power_supply_register(&ac->device->dev, &ac->charger);
+#endif
 	status = acpi_install_notify_handler(device->handle,
 					     ACPI_ALL_NOTIFY, acpi_ac_notify,
 					     ac);
@@ -319,8 +327,10 @@
 	old_state = ac->state;
 	if (acpi_ac_get_state(ac))
 		return 0;
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (old_state != ac->state)
 		kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+#endif
 	return 0;
 }
 
@@ -337,8 +347,10 @@
 
 	status = acpi_remove_notify_handler(device->handle,
 					    ACPI_ALL_NOTIFY, acpi_ac_notify);
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (ac->charger.dev)
 		power_supply_unregister(&ac->charger);
+#endif
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_ac_remove_fs(device);
 #endif
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 8f7505d..c4a769d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -40,7 +40,9 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 #include <linux/power_supply.h>
+#endif
 
 #define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
 
@@ -86,7 +88,9 @@
 
 struct acpi_battery {
 	struct mutex lock;
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	struct power_supply bat;
+#endif
 	struct acpi_device *device;
 	unsigned long update_time;
 	int current_now;
@@ -117,6 +121,7 @@
 	return battery->device->status.battery_present;
 }
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 static int acpi_battery_technology(struct acpi_battery *battery)
 {
 	if (!strcasecmp("NiCd", battery->type))
@@ -222,6 +227,7 @@
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,
 };
+#endif
 
 #ifdef CONFIG_ACPI_PROCFS_POWER
 inline char *acpi_battery_units(struct acpi_battery *battery)
@@ -398,6 +404,7 @@
 	return acpi_battery_set_alarm(battery);
 }
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 static ssize_t acpi_battery_alarm_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
@@ -429,11 +436,6 @@
 {
 	int result;
 
-	battery->update_time = 0;
-	result = acpi_battery_get_info(battery);
-	acpi_battery_init_alarm(battery);
-	if (result)
-		return result;
 	if (battery->power_unit) {
 		battery->bat.properties = charge_battery_props;
 		battery->bat.num_properties =
@@ -462,18 +464,31 @@
 	power_supply_unregister(&battery->bat);
 	battery->bat.dev = NULL;
 }
+#endif
 
 static int acpi_battery_update(struct acpi_battery *battery)
 {
-	int result = acpi_battery_get_status(battery);
+	int result;
+	result = acpi_battery_get_status(battery);
 	if (result)
 		return result;
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (!acpi_battery_present(battery)) {
 		sysfs_remove_battery(battery);
+		battery->update_time = 0;
 		return 0;
 	}
+#endif
+	if (!battery->update_time) {
+		result = acpi_battery_get_info(battery);
+		if (result)
+			return result;
+		acpi_battery_init_alarm(battery);
+	}
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (!battery->bat.dev)
 		sysfs_add_battery(battery);
+#endif
 	return acpi_battery_get_state(battery);
 }
 
@@ -767,9 +782,11 @@
 	acpi_bus_generate_netlink_event(device->pnp.device_class,
 					device->dev.bus_id, event,
 					acpi_battery_present(battery));
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	/* acpi_batter_update could remove power_supply object */
 	if (battery->bat.dev)
 		kobject_uevent(&battery->bat.dev->kobj, KOBJ_CHANGE);
+#endif
 }
 
 static int acpi_battery_add(struct acpi_device *device)
@@ -828,7 +845,9 @@
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	acpi_battery_remove_fs(device);
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	sysfs_remove_battery(battery);
+#endif
 	mutex_destroy(&battery->lock);
 	kfree(battery);
 	return 0;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 49d432d..d7a115c 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -29,7 +29,6 @@
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
-#include <linux/pm_legacy.h>
 #include <linux/device.h>
 #include <linux/proc_fs.h>
 #ifdef CONFIG_X86
@@ -764,16 +763,14 @@
 	result = acpi_bus_init();
 
 	if (!result) {
-#ifdef CONFIG_PM_LEGACY
-		if (!PM_IS_ACTIVE())
-			pm_active = 1;
+		if (!(pm_flags & PM_APM))
+			pm_flags |= PM_ACPI;
 		else {
 			printk(KERN_INFO PREFIX
 			       "APM is already active, exiting\n");
 			disable_acpi();
 			result = -ENODEV;
 		}
-#endif
 	} else
 		disable_acpi();
 
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d411017..97dc161 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -892,6 +892,17 @@
 	return 0;
 }
 
+int __init acpi_boot_ec_enable(void)
+{
+	if (!boot_ec || boot_ec->handlers_installed)
+		return 0;
+	if (!ec_install_handlers(boot_ec)) {
+		first_ec = boot_ec;
+		return 0;
+	}
+	return -EFAULT;
+}
+
 int __init acpi_ec_ecdt_probe(void)
 {
 	int ret;
@@ -924,9 +935,10 @@
 			goto error;
 		/* We really need to limit this workaround, the only ASUS,
 		 * which needs it, has fake EC._INI method, so use it as flag.
+		 * Keep boot_ec struct as it will be needed soon.
 		 */
 		if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x)))
-			goto error;
+			return -ENODEV;
 	}
 
 	ret = ec_install_handlers(boot_ec);
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index e99f0c4..58ad097 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -344,7 +344,7 @@
 		 * setup will potentially execute control methods
 		 * (e.g., _REG method for this region)
 		 */
-		acpi_ex_relinquish_interpreter();
+		acpi_ex_exit_interpreter();
 
 		status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
 				      handler_desc->address_space.context,
@@ -352,7 +352,7 @@
 
 		/* Re-enter the interpreter */
 
-		acpi_ex_reacquire_interpreter();
+		acpi_ex_enter_interpreter();
 
 		/* Check for failure of the Region Setup */
 
@@ -405,7 +405,7 @@
 		 * exit the interpreter because the handler *might* block -- we don't
 		 * know what it will do, so we can't hold the lock on the intepreter.
 		 */
-		acpi_ex_relinquish_interpreter();
+		acpi_ex_exit_interpreter();
 	}
 
 	/* Call the handler */
@@ -426,7 +426,7 @@
 		 * We just returned from a non-default handler, we must re-enter the
 		 * interpreter
 		 */
-		acpi_ex_reacquire_interpreter();
+		acpi_ex_enter_interpreter();
 	}
 
 	return_ACPI_STATUS(status);
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index dd3186a..62010c2 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -429,6 +429,15 @@
 					  &polarity, &link,
 					  acpi_pci_allocate_irq);
 
+	if (irq < 0) {
+		/*
+		 * IDE legacy mode controller IRQs are magic. Why do compat
+		 * extensions always make such a nasty mess.
+		 */
+		if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
+				(dev->class & 0x05) == 0)
+			return 0;
+	}
 	/*
 	 * No IRQ known to the ACPI subsystem - maybe the BIOS / 
 	 * driver reported one, then use it. Exit in any case.
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2fe34cc..2235f4e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -76,7 +76,11 @@
 #define PM_TIMER_TICKS_TO_US(p)		(((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
 
 static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
+#ifdef CONFIG_CPU_IDLE
 module_param(max_cstate, uint, 0000);
+#else
+module_param(max_cstate, uint, 0644);
+#endif
 static unsigned int nocst __read_mostly;
 module_param(nocst, uint, 0000);
 
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 22cb95b..f136c7d 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -40,7 +40,9 @@
 #include <linux/jiffies.h>
 #include <linux/delay.h>
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 #include <linux/power_supply.h>
+#endif
 
 #include "sbshc.h"
 
@@ -80,7 +82,9 @@
 MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
 
 struct acpi_battery {
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	struct power_supply bat;
+#endif
 	struct acpi_sbs *sbs;
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	struct proc_dir_entry *proc_entry;
@@ -113,7 +117,9 @@
 #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
 
 struct acpi_sbs {
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	struct power_supply charger;
+#endif
 	struct acpi_device *device;
 	struct acpi_smb_hc *hc;
 	struct mutex lock;
@@ -157,6 +163,7 @@
 	    acpi_battery_ipscale(battery);
 }
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 static int sbs_get_ac_property(struct power_supply *psy,
 			       enum power_supply_property psp,
 			       union power_supply_propval *val)
@@ -294,6 +301,7 @@
 	POWER_SUPPLY_PROP_MODEL_NAME,
 	POWER_SUPPLY_PROP_MANUFACTURER,
 };
+#endif
 
 /* --------------------------------------------------------------------------
                             Smart Battery System Management
@@ -429,6 +437,7 @@
 	return result;
 }
 
+#ifdef CONFIG_ACPI_SYSFS_POWER
 static ssize_t acpi_battery_alarm_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
@@ -458,6 +467,7 @@
 	.show = acpi_battery_alarm_show,
 	.store = acpi_battery_alarm_store,
 };
+#endif
 
 /* --------------------------------------------------------------------------
                               FS Interface (/proc/acpi)
@@ -793,6 +803,7 @@
 			&acpi_battery_state_fops, &acpi_battery_alarm_fops,
 			battery);
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	battery->bat.name = battery->name;
 	battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
 	if (!acpi_battery_mode(battery)) {
@@ -813,6 +824,7 @@
 		goto end;
 	battery->have_sysfs_alarm = 1;
       end:
+#endif
 	printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
 	       ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
 	       battery->name, sbs->battery->present ? "present" : "absent");
@@ -822,12 +834,13 @@
 static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
 {
 	struct acpi_battery *battery = &sbs->battery[id];
-
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (battery->bat.dev) {
 		if (battery->have_sysfs_alarm)
 			device_remove_file(battery->bat.dev, &alarm_attr);
 		power_supply_unregister(&battery->bat);
 	}
+#endif
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	if (battery->proc_entry)
 		acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir);
@@ -848,12 +861,14 @@
 	if (result)
 		goto end;
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	sbs->charger.name = "sbs-charger";
 	sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
 	sbs->charger.properties = sbs_ac_props;
 	sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props);
 	sbs->charger.get_property = sbs_get_ac_property;
 	power_supply_register(&sbs->device->dev, &sbs->charger);
+#endif
 	printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
 	       ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
 	       ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
@@ -863,8 +878,10 @@
 
 static void acpi_charger_remove(struct acpi_sbs *sbs)
 {
+#ifdef CONFIG_ACPI_SYSFS_POWER
 	if (sbs->charger.dev)
 		power_supply_unregister(&sbs->charger);
+#endif
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	if (sbs->charger_entry)
 		acpi_sbs_remove_fs(&sbs->charger_entry, acpi_ac_dir);
@@ -885,7 +902,9 @@
 					      ACPI_SBS_NOTIFY_STATUS,
 					      sbs->charger_present);
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 		kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
+#endif
 	}
 	if (sbs->manager_present) {
 		for (id = 0; id < MAX_SBS_BAT; ++id) {
@@ -902,7 +921,9 @@
 						      ACPI_SBS_NOTIFY_STATUS,
 						      bat->present);
 #endif
+#ifdef CONFIG_ACPI_SYSFS_POWER
 			kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
+#endif
 		}
 	}
 }
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5b4d462..cbfe9ae 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1449,6 +1449,8 @@
 	return result;
 }
 
+int __init acpi_boot_ec_enable(void);
+
 static int __init acpi_scan_init(void)
 {
 	int result;
@@ -1480,6 +1482,10 @@
 	 * Enumerate devices in the ACPI namespace.
 	 */
 	result = acpi_bus_scan_fixed(acpi_root);
+
+	/* EC region might be needed at bus_scan, so enable it now */
+	acpi_boot_ec_enable();
+
 	if (!result)
 		result = acpi_bus_scan(acpi_root, &ops);
 
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index f0124a8..21a81cd 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1733,11 +1733,15 @@
 		ehc->i.action &= ~ATA_EH_PERDEV_MASK;
 	}
 
-	/* consider speeding down */
+	/* propagate timeout to host link */
+	if ((all_err_mask & AC_ERR_TIMEOUT) && !ata_is_host_link(link))
+		ap->link.eh_context.i.err_mask |= AC_ERR_TIMEOUT;
+
+	/* record error and consider speeding down */
 	dev = ehc->i.dev;
-	if (!dev && ata_link_max_devices(link) == 1 &&
-	    ata_dev_enabled(link->device))
-		dev = link->device;
+	if (!dev && ((ata_link_max_devices(link) == 1 &&
+		      ata_dev_enabled(link->device))))
+	    dev = link->device;
 
 	if (dev)
 		ehc->i.action |= ata_eh_speed_down(dev, is_io, all_err_mask);
@@ -1759,8 +1763,14 @@
 {
 	struct ata_link *link;
 
-	__ata_port_for_each_link(link, ap)
+	ata_port_for_each_link(link, ap)
 		ata_eh_link_autopsy(link);
+
+	/* Autopsy of fanout ports can affect host link autopsy.
+	 * Perform host link autopsy last.
+	 */
+	if (ap->nr_pmp_links)
+		ata_eh_link_autopsy(&ap->link);
 }
 
 /**
@@ -2157,13 +2167,11 @@
 		if (ata_link_offline(link))
 			continue;
 
-		/* apply class override and convert UNKNOWN to NONE */
+		/* apply class override */
 		if (lflags & ATA_LFLAG_ASSUME_ATA)
 			classes[dev->devno] = ATA_DEV_ATA;
 		else if (lflags & ATA_LFLAG_ASSUME_SEMB)
 			classes[dev->devno] = ATA_DEV_SEMB_UNSUP; /* not yet */
-		else if (classes[dev->devno] == ATA_DEV_UNKNOWN)
-			classes[dev->devno] = ATA_DEV_NONE;
 	}
 
 	/* record current link speed */
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index c0c4dbc..caef2bb 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -495,14 +495,12 @@
 			/* SError.N need a kick in the ass to get working */
 			link->flags |= ATA_LFLAG_HRST_TO_RESUME;
 
-			/* class code report is unreliable */
-			if (link->pmp < 5)
-				link->flags |= ATA_LFLAG_ASSUME_ATA;
-
-			/* The config device, which can be either at
-			 * port 0 or 5, locks up on SRST.
+			/* Class code report is unreliable and SRST
+			 * times out under certain configurations.
+			 * Config device can be at port 0 or 5 and
+			 * locks up on SRST.
 			 */
-			if (link->pmp == 0 || link->pmp == 5)
+			if (link->pmp <= 5)
 				link->flags |= ATA_LFLAG_NO_SRST |
 					       ATA_LFLAG_ASSUME_ATA;
 
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index a883bb0..264ae60 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -872,7 +872,8 @@
 
 	ata_scsi_sdev_config(sdev);
 
-	sdev->manage_start_stop = 1;
+	if (dev->class == ATA_DEV_ATA)
+		sdev->manage_start_stop = 1;
 
 	if (dev)
 		ata_scsi_dev_config(sdev, dev);
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 48acc09..b7ac80b 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -806,7 +806,10 @@
 	if (rc)
 		goto err_out;
 
-	if (!legacy_mode) {
+	if (!legacy_mode && pdev->irq) {
+		/* We may have no IRQ assigned in which case we can poll. This
+		   shouldn't happen on a sane system but robustness is cheap
+		   in this case */
 		rc = devm_request_irq(dev, pdev->irq, pi->port_ops->irq_handler,
 				      IRQF_SHARED, DRV_NAME, host);
 		if (rc)
@@ -814,7 +817,7 @@
 
 		ata_port_desc(host->ports[0], "irq %d", pdev->irq);
 		ata_port_desc(host->ports[1], "irq %d", pdev->irq);
-	} else {
+	} else if (legacy_mode) {
 		if (!ata_port_is_dummy(host->ports[0])) {
 			rc = devm_request_irq(dev, ATA_PRIMARY_IRQ(pdev),
 					      pi->port_ops->irq_handler,
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index fcd532a..120b5bf 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -130,10 +130,11 @@
 	.port_start		= ata_port_start,
 };
 
-static void ixp4xx_setup_port(struct ata_ioports *ioaddr,
+static void ixp4xx_setup_port(struct ata_port *ap,
 			      struct ixp4xx_pata_data *data,
 			      unsigned long raw_cs0, unsigned long raw_cs1)
 {
+	struct ata_ioports *ioaddr = &ap->ioaddr;
 	unsigned long raw_cmd = raw_cs0;
 	unsigned long raw_ctl = raw_cs1 + 0x06;
 
diff --git a/drivers/ata/pata_pdc202xx_old.c b/drivers/ata/pata_pdc202xx_old.c
index bc7c2d5..8f28156 100644
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -215,8 +215,8 @@
 	/* Flip back to 33Mhz for PIO */
 	if (adev->dma_mode >= XFER_UDMA_2)
 		iowrite8(ioread8(clock) & ~sel66, clock);
-
 	ata_bmdma_stop(qc);
+	pdc202xx_set_piomode(ap, adev);
 }
 
 /**
@@ -233,6 +233,17 @@
 	adev->max_sectors = 256;
 }
 
+static int pdc2026x_port_start(struct ata_port *ap)
+{
+	void __iomem *bmdma = ap->ioaddr.bmdma_addr;
+	if (bmdma) {
+		/* Enable burst mode */
+		u8 burst = ioread8(bmdma + 0x1f);
+		iowrite8(burst | 0x01, bmdma + 0x1f);
+	}
+	return ata_sff_port_start(ap);
+}
+
 static struct scsi_host_template pdc202xx_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -313,7 +324,7 @@
 	.irq_clear	= ata_bmdma_irq_clear,
 	.irq_on		= ata_irq_on,
 
-	.port_start	= ata_sff_port_start,
+	.port_start	= pdc2026x_port_start,
 };
 
 static int pdc202xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 2f1de6e..c68b241 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -270,7 +270,7 @@
 static void qs_error_handler(struct ata_port *ap)
 {
 	qs_enter_reg_mode(ap);
-	ata_do_eh(ap, qs_prereset, ata_std_softreset, NULL,
+	ata_do_eh(ap, qs_prereset, NULL, sata_std_hardreset,
 		  ata_std_postreset);
 }
 
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 96fd526..b4c674d 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -832,16 +832,31 @@
 	struct ata_link *link = qc->dev->link;
 	struct ata_port *ap = link->ap;
 	u8 prot = qc->tf.protocol;
-	int is_atapi = (prot == ATA_PROT_ATAPI ||
-			prot == ATA_PROT_ATAPI_NODATA ||
-			prot == ATA_PROT_ATAPI_DMA);
 
-	/* ATAPI commands completing with CHECK_SENSE cause various
-	 * weird problems if other commands are active.  PMP DMA CS
-	 * errata doesn't cover all and HSM violation occurs even with
-	 * only one other device active.  Always run an ATAPI command
-	 * by itself.
-	 */
+	/*
+	 * There is a bug in the chip:
+	 * Port LRAM Causes the PRB/SGT Data to be Corrupted
+	 * If the host issues a read request for LRAM and SActive registers
+	 * while active commands are available in the port, PRB/SGT data in
+	 * the LRAM can become corrupted. This issue applies only when
+	 * reading from, but not writing to, the LRAM.
+	 *
+	 * Therefore, reading LRAM when there is no particular error [and
+	 * other commands may be outstanding] is prohibited.
+	 *
+	 * To avoid this bug there are two situations where a command must run
+	 * exclusive of any other commands on the port:
+	 *
+	 * - ATAPI commands which check the sense data
+	 * - Passthrough ATA commands which always have ATA_QCFLAG_RESULT_TF
+	 *   set.
+	 *
+ 	 */
+	int is_excl = (prot == ATA_PROT_ATAPI ||
+		       prot == ATA_PROT_ATAPI_NODATA ||
+		       prot == ATA_PROT_ATAPI_DMA ||
+		       (qc->flags & ATA_QCFLAG_RESULT_TF));
+
 	if (unlikely(ap->excl_link)) {
 		if (link == ap->excl_link) {
 			if (ap->nr_active_links)
@@ -849,7 +864,7 @@
 			qc->flags |= ATA_QCFLAG_CLEAR_EXCL;
 		} else
 			return ATA_DEFER_PORT;
-	} else if (unlikely(is_atapi)) {
+	} else if (unlikely(is_excl)) {
 		ap->excl_link = link;
 		if (ap->nr_active_links)
 			return ATA_DEFER_PORT;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 56e23042..b8af22e 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -610,7 +610,7 @@
 static int loop_switch(struct loop_device *lo, struct file *file)
 {
 	struct switch_request w;
-	struct bio *bio = bio_alloc(GFP_KERNEL, 1);
+	struct bio *bio = bio_alloc(GFP_KERNEL, 0);
 	if (!bio)
 		return -ENOMEM;
 	init_completion(&w.wait);
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index a337b69..5f7e718 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -429,8 +429,8 @@
 
 static void aes_crypt_copy(const u8 *in, u8 *out, u32 *key, struct cword *cword)
 {
-	u8 tmp[AES_BLOCK_SIZE * 2]
-		__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
+	u8 buf[AES_BLOCK_SIZE * 2 + PADLOCK_ALIGNMENT - 1];
+	u8 *tmp = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);
 
 	memcpy(tmp, in, AES_BLOCK_SIZE);
 	padlock_xcrypt(tmp, out, key, cword);
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 89df48f..899d565 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -16,6 +16,7 @@
 #include <acpi/acpi.h>
 #include <linux/ide.h>
 #include <linux/pci.h>
+#include <linux/dmi.h>
 
 #include <acpi/acpi_bus.h>
 #include <acpi/acnames.h>
@@ -65,6 +66,39 @@
 extern int ide_noacpitfs;
 extern int ide_noacpionboot;
 
+static bool ide_noacpi_psx;
+static int no_acpi_psx(const struct dmi_system_id *id)
+{
+	ide_noacpi_psx = true;
+	printk(KERN_NOTICE"%s detected - disable ACPI _PSx.\n", id->ident);
+	return 0;
+}
+
+static const struct dmi_system_id ide_acpi_dmi_table[] = {
+	/* Bug 9673. */
+	/* We should check if this is because ACPI NVS isn't save/restored. */
+	{
+		.callback = no_acpi_psx,
+		.ident    = "HP nx9005",
+		.matches  = {
+			DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies Ltd."),
+			DMI_MATCH(DMI_BIOS_VERSION, "KAM1.60")
+		},
+	},
+
+	{ }	/* terminate list */
+};
+
+static int ide_acpi_blacklist(void)
+{
+	static int done;
+	if (done)
+		return 0;
+	done = 1;
+	dmi_check_system(ide_acpi_dmi_table);
+	return 0;
+}
+
 /**
  * ide_get_dev_handle - finds acpi_handle and PCI device.function
  * @dev: device to locate
@@ -623,7 +657,7 @@
 {
 	int unit;
 
-	if (ide_noacpi)
+	if (ide_noacpi || ide_noacpi_psx)
 		return;
 
 	DEBPRINT("ENTER:\n");
@@ -668,6 +702,8 @@
 	struct ide_acpi_drive_link	*master;
 	struct ide_acpi_drive_link	*slave;
 
+	ide_acpi_blacklist();
+
 	hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
 	if (!hwif->acpidata)
 		return;
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index cef405d..bb9693d 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -612,12 +612,12 @@
 		printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
 				  drive->name);
 
+	if (ide_dev_is_sata(id) && !ivb)
+		return 1;
+
 	if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
 		goto no_80w;
 
-	if (ide_dev_is_sata(id))
-		return 1;
-
 	/*
 	 * FIXME:
 	 * - force bit13 (80c cable present) check also for !ivb devices
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index 0895e75..0151d7f 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -1,7 +1,8 @@
 /*
- *  linux/drivers/ide/pci/trm290.c		Version 1.02	Mar. 18, 2000
+ *  linux/drivers/ide/pci/trm290.c		Version 1.05	Dec. 26, 2007
  *
  *  Copyright (c) 1997-1998  Mark Lord
+ *  Copyright (c) 2007       MontaVista Software, Inc. <source@mvista.com>
  *  May be copied or modified under the terms of the GNU General Public License
  *
  *  June 22, 2004 - get rid of check_region
@@ -177,7 +178,7 @@
 	trm290_prepare_drive(drive, drive->using_dma);
 }
 
-static void trm290_ide_dma_exec_cmd(ide_drive_t *drive, u8 command)
+static void trm290_dma_exec_cmd(ide_drive_t *drive, u8 command)
 {
 	BUG_ON(HWGROUP(drive)->handler != NULL);	/* paranoia check */
 	ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, NULL);
@@ -185,7 +186,7 @@
 	outb(command, IDE_COMMAND_REG);
 }
 
-static int trm290_ide_dma_setup(ide_drive_t *drive)
+static int trm290_dma_setup(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = drive->hwif;
 	struct request *rq = hwif->hwgroup->rq;
@@ -215,7 +216,7 @@
 	return 0;
 }
 
-static void trm290_ide_dma_start(ide_drive_t *drive)
+static void trm290_dma_start(ide_drive_t *drive)
 {
 }
 
@@ -240,6 +241,14 @@
 	return (status == 0x00ff);
 }
 
+static void trm290_dma_host_on(ide_drive_t *drive)
+{
+}
+
+static void trm290_dma_host_off(ide_drive_t *drive)
+{
+}
+
 static void __devinit init_hwif_trm290(ide_hwif_t *hwif)
 {
 	unsigned int cfgbase = 0;
@@ -280,11 +289,13 @@
 
 	ide_setup_dma(hwif, (hwif->config_data + 4) ^ (hwif->channel ? 0x0080 : 0x0000), 3);
 
-	hwif->dma_setup = &trm290_ide_dma_setup;
-	hwif->dma_exec_cmd = &trm290_ide_dma_exec_cmd;
-	hwif->dma_start = &trm290_ide_dma_start;
-	hwif->ide_dma_end = &trm290_ide_dma_end;
-	hwif->ide_dma_test_irq = &trm290_ide_dma_test_irq;
+	hwif->dma_host_off	= &trm290_dma_host_off;
+	hwif->dma_host_on	= &trm290_dma_host_on;
+	hwif->dma_setup 	= &trm290_dma_setup;
+	hwif->dma_exec_cmd	= &trm290_dma_exec_cmd;
+	hwif->dma_start 	= &trm290_dma_start;
+	hwif->ide_dma_end	= &trm290_ide_dma_end;
+	hwif->ide_dma_test_irq	= &trm290_ide_dma_test_irq;
 
 	hwif->selectproc = &trm290_selectproc;
 #if 1
diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 8b8144f..0d36c15 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -2800,12 +2800,12 @@
 }
 
 
-static struct saa7146_extension av7110_extension;
+static struct saa7146_extension av7110_extension_driver;
 
 #define MAKE_AV7110_INFO(x_var,x_name) \
 static struct saa7146_pci_extension_data x_var = { \
 	.ext_priv = x_name, \
-	.ext = &av7110_extension }
+	.ext = &av7110_extension_driver }
 
 MAKE_AV7110_INFO(tts_1_X_fsc,"Technotrend/Hauppauge WinTV DVB-S rev1.X or Fujitsu Siemens DVB-C");
 MAKE_AV7110_INFO(ttt_1_X,    "Technotrend/Hauppauge WinTV DVB-T rev1.X");
@@ -2843,7 +2843,7 @@
 MODULE_DEVICE_TABLE(pci, pci_tbl);
 
 
-static struct saa7146_extension av7110_extension = {
+static struct saa7146_extension av7110_extension_driver = {
 	.name		= "dvb",
 	.flags		= SAA7146_USE_I2C_IRQ,
 
@@ -2860,14 +2860,14 @@
 static int __init av7110_init(void)
 {
 	int retval;
-	retval = saa7146_register_extension(&av7110_extension);
+	retval = saa7146_register_extension(&av7110_extension_driver);
 	return retval;
 }
 
 
 static void __exit av7110_exit(void)
 {
-	saa7146_unregister_extension(&av7110_extension);
+	saa7146_unregister_extension(&av7110_extension_driver);
 }
 
 module_init(av7110_init);
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index 10d6faf..6d2dd87 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -1076,10 +1076,6 @@
 		ivtv_process_eeprom(itv);
 	}
 
-	/* The mspx4xx chips need a longer delay for some reason */
-	if (!(itv->hw_flags & IVTV_HW_MSP34XX))
-		itv->i2c_algo.udelay = 5;
-
 	if (itv->std == 0) {
 		itv->std = V4L2_STD_NTSC_M;
 	}
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index a9eb1c5..1707f98 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1504,9 +1504,12 @@
 	int ret, wbufsize, word_gap, words;
 	const struct kvec *vec;
 	unsigned long vec_seek;
+	unsigned long initial_adr;
+	int initial_len = len;
 
 	wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
 	adr += chip->start;
+	initial_adr = adr;
 	cmd_adr = adr & ~(wbufsize-1);
 
 	/* Let's determine this according to the interleave only once */
@@ -1519,7 +1522,7 @@
 		return ret;
 	}
 
-	XIP_INVAL_CACHED_RANGE(map, adr, len);
+	XIP_INVAL_CACHED_RANGE(map, initial_adr, initial_len);
 	ENABLE_VPP(map);
 	xip_disable(map, chip, cmd_adr);
 
@@ -1610,7 +1613,7 @@
 	chip->state = FL_WRITING;
 
 	ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
-				   adr, len,
+				   initial_adr, initial_len,
 				   chip->buffer_write_time);
 	if (ret) {
 		map_write(map, CMD(0x70), cmd_adr);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 26cc4dc..72e0bd5 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -465,6 +465,12 @@
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH8_0, quirk_ich6_lpc_acpi );
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH8_2, quirk_ich6_lpc_acpi );
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH8_3, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH8_1, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH8_4, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH9_2, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH9_4, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH9_7, quirk_ich6_lpc_acpi );
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_ICH9_8, quirk_ich6_lpc_acpi );
 
 /*
  * VIA ACPI: One IO region pointed to by longword at
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 3c5eb37..f7b8648 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -76,6 +76,7 @@
 	int i = 0;
 	int irq;
 	int p, t;
+	static unsigned char warned;
 
 	if (!valid_IRQ(gsi))
 		return;
@@ -83,9 +84,10 @@
 	while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
 	       i < PNP_MAX_IRQ)
 		i++;
-	if (i >= PNP_MAX_IRQ) {
+	if (i >= PNP_MAX_IRQ && !warned) {
 		printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ "
 				"resources: %d \n", PNP_MAX_IRQ);
+		warned = 1;
 		return;
 	}
 	/*
@@ -169,6 +171,7 @@
 						int bus_master, int transfer)
 {
 	int i = 0;
+	static unsigned char warned;
 
 	while (i < PNP_MAX_DMA &&
 	       !(res->dma_resource[i].flags & IORESOURCE_UNSET))
@@ -183,9 +186,10 @@
 		}
 		res->dma_resource[i].start = dma;
 		res->dma_resource[i].end = dma;
-	} else {
+	} else if (!warned) {
 		printk(KERN_ERR "pnpacpi: exceeded the max number of DMA "
 				"resources: %d \n", PNP_MAX_DMA);
+		warned = 1;
 	}
 }
 
@@ -193,6 +197,7 @@
 					       u64 io, u64 len, int io_decode)
 {
 	int i = 0;
+	static unsigned char warned;
 
 	while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
 	       i < PNP_MAX_PORT)
@@ -207,7 +212,7 @@
 		}
 		res->port_resource[i].start = io;
 		res->port_resource[i].end = io + len - 1;
-	} else {
+	} else if (!warned) {
 		printk(KERN_ERR "pnpacpi: exceeded the max number of IO "
 				"resources: %d \n", PNP_MAX_PORT);
 	}
@@ -218,6 +223,7 @@
 						int write_protect)
 {
 	int i = 0;
+	static unsigned char warned;
 
 	while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) &&
 	       (i < PNP_MAX_MEM))
@@ -233,7 +239,7 @@
 
 		res->mem_resource[i].start = mem;
 		res->mem_resource[i].end = mem + len - 1;
-	} else {
+	} else if (!warned) {
 		printk(KERN_ERR "pnpacpi: exceeded the max number of mem "
 				"resources: %d\n", PNP_MAX_MEM);
 	}
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 146d540..2886407 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -3041,7 +3041,6 @@
 	int cnt;
 	int req_cnt;
 	int seg_cnt;
-	dma_addr_t dma_handle;
 	u8 dir;
 
 	ENTER("qla1280_32bit_start_scsi");
@@ -3050,6 +3049,7 @@
 		cmd->cmnd[0]);
 
 	/* Calculate number of entries and segments required. */
+	req_cnt = 1;
 	seg_cnt = scsi_dma_map(cmd);
 	if (seg_cnt) {
 		/*
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
index b312890..044a423 100644
--- a/drivers/video/ps3fb.c
+++ b/drivers/video/ps3fb.c
@@ -443,8 +443,6 @@
 	u32 ddr_line_length, xdr_line_length;
 	u64 ddr_base, xdr_base;
 
-	acquire_console_sem();
-
 	if (frame > par->num_frames - 1) {
 		dev_dbg(info->device, "%s: invalid frame number (%u)\n",
 			__func__, frame);
@@ -464,7 +462,6 @@
 			 xdr_line_length);
 
 out:
-	release_console_sem();
 	return error;
 }
 
@@ -479,7 +476,10 @@
 	if (atomic_dec_and_test(&ps3fb.f_count)) {
 		if (atomic_read(&ps3fb.ext_flip)) {
 			atomic_set(&ps3fb.ext_flip, 0);
-			ps3fb_sync(info, 0);	/* single buffer */
+			if (!try_acquire_console_sem()) {
+				ps3fb_sync(info, 0);	/* single buffer */
+				release_console_sem();
+			}
 		}
 	}
 	return 0;
@@ -865,7 +865,9 @@
 			break;
 
 		dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
+		acquire_console_sem();
 		retval = ps3fb_sync(info, val);
+		release_console_sem();
 		break;
 
 	default:
@@ -885,7 +887,9 @@
 		set_current_state(TASK_INTERRUPTIBLE);
 		if (ps3fb.is_kicked) {
 			ps3fb.is_kicked = 0;
+			acquire_console_sem();
 			ps3fb_sync(info, 0);	/* single buffer */
+			release_console_sem();
 		}
 		schedule();
 	}
@@ -1234,12 +1238,6 @@
 	ps3fb_flip_ctl(0, &ps3fb);	/* flip off */
 	ps3fb.dinfo->irq.mask = 0;
 
-	if (info) {
-		unregister_framebuffer(info);
-		fb_dealloc_cmap(&info->cmap);
-		framebuffer_release(info);
-	}
-
 	ps3av_register_flip_ctl(NULL, NULL);
 	if (ps3fb.task) {
 		struct task_struct *task = ps3fb.task;
@@ -1250,6 +1248,12 @@
 		free_irq(ps3fb.irq_no, &dev->core);
 		ps3_irq_plug_destroy(ps3fb.irq_no);
 	}
+	if (info) {
+		unregister_framebuffer(info);
+		fb_dealloc_cmap(&info->cmap);
+		framebuffer_release(info);
+		info = dev->core.driver_data = NULL;
+	}
 	iounmap((u8 __iomem *)ps3fb.dinfo);
 
 	status = lv1_gpu_context_free(ps3fb.context_handle);
diff --git a/fs/namei.c b/fs/namei.c
index 3b993db..73e2e66 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1605,7 +1605,7 @@
 	if (S_ISLNK(inode->i_mode))
 		return -ELOOP;
 	
-	if (S_ISDIR(inode->i_mode) && (flag & FMODE_WRITE))
+	if (S_ISDIR(inode->i_mode) && (acc_mode & MAY_WRITE))
 		return -EISDIR;
 
 	/*
@@ -1620,7 +1620,7 @@
 			return -EACCES;
 
 		flag &= ~O_TRUNC;
-	} else if (IS_RDONLY(inode) && (flag & FMODE_WRITE))
+	} else if (IS_RDONLY(inode) && (acc_mode & MAY_WRITE))
 		return -EROFS;
 
 	error = vfs_permission(nd, acc_mode);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index b35069a..bd1b9d6 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -115,6 +115,7 @@
 #define NFS_LOCK_INITIALIZED 1
 	int			ls_flags;
 	struct nfs_seqid_counter	ls_seqid;
+	struct rpc_sequence	ls_sequence;
 	struct nfs_unique_id	ls_id;
 	nfs4_stateid		ls_stateid;
 	atomic_t		ls_count;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 23a9a36..5a39c6f 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -509,7 +509,10 @@
 	lsp = kzalloc(sizeof(*lsp), GFP_KERNEL);
 	if (lsp == NULL)
 		return NULL;
-	lsp->ls_seqid.sequence = &state->owner->so_sequence;
+	rpc_init_wait_queue(&lsp->ls_sequence.wait, "lock_seqid_waitqueue");
+	spin_lock_init(&lsp->ls_sequence.lock);
+	INIT_LIST_HEAD(&lsp->ls_sequence.list);
+	lsp->ls_seqid.sequence = &lsp->ls_sequence;
 	atomic_set(&lsp->ls_count, 1);
 	lsp->ls_owner = fl_owner;
 	spin_lock(&clp->cl_lock);
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 2d116d2..f917fd2 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -388,8 +388,11 @@
 	 * Round the length of the data which was specified up to
 	 * the next multiple of XDR units and then compare that
 	 * against the length which was actually received.
+	 * Note that when RPCSEC/GSS (for example) is used, the
+	 * data buffer can be padded so dlen might be larger
+	 * than required.  It must never be smaller.
 	 */
-	if (dlen != XDR_QUADLEN(len)*4)
+	if (dlen < XDR_QUADLEN(len)*4)
 		return 0;
 
 	if (args->count > max_blocksize) {
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index 986f9b3..b86e365 100644
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -313,8 +313,11 @@
 	 * Round the length of the data which was specified up to
 	 * the next multiple of XDR units and then compare that
 	 * against the length which was actually received.
+	 * Note that when RPCSEC/GSS (for example) is used, the
+	 * data buffer can be padded so dlen might be larger
+	 * than required.  It must never be smaller.
 	 */
-	if (dlen != XDR_QUADLEN(len)*4)
+	if (dlen < XDR_QUADLEN(len)*4)
 		return 0;
 
 	rqstp->rq_vec[0].iov_base = (void*)p;
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 65c62e1..810eb8f 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -169,7 +169,7 @@
 	ppid = pid_alive(p) ?
 		task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
 	tpid = pid_alive(p) && p->ptrace ?
-		task_ppid_nr_ns(rcu_dereference(p->parent), ns) : 0;
+		task_pid_nr_ns(rcu_dereference(p->parent), ns) : 0;
 	buffer += sprintf(buffer,
 		"State:\t%s\n"
 		"Tgid:\t%d\n"
@@ -426,6 +426,7 @@
 	cgtime = gtime = cputime_zero;
 
 	rcu_read_lock();
+	ppid = task_tgid_nr_ns(task->real_parent, ns);
 	if (lock_task_sighand(task, &flags)) {
 		struct signal_struct *sig = task->signal;
 
@@ -465,7 +466,6 @@
 
 		sid = task_session_nr_ns(task, ns);
 		pgid = task_pgrp_nr_ns(task, ns);
-		ppid = task_ppid_nr_ns(task, ns);
 
 		unlock_task_sighand(task, &flags);
 	}
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 4847eb8..21a1c2b 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -261,9 +261,9 @@
 #else
 
 struct hack_dirent {
-	int		namlen;
-	loff_t		offset;
 	u64		ino;
+	loff_t		offset;
+	int		namlen;
 	unsigned int	d_type;
 	char		name[];
 };
@@ -285,8 +285,10 @@
 {
 	struct hack_callback *buf = __buf;
 	struct hack_dirent *de = (struct hack_dirent *)(buf->dirent + buf->used);
+	unsigned int reclen;
 
-	if (buf->used + sizeof(struct hack_dirent) + namlen > buf->len)
+	reclen = ALIGN(sizeof(struct hack_dirent) + namlen, sizeof(u64));
+	if (buf->used + reclen > buf->len)
 		return -EINVAL;
 
 	de->namlen = namlen;
@@ -294,7 +296,7 @@
 	de->ino = ino;
 	de->d_type = d_type;
 	memcpy(de->name, name, namlen);
-	buf->used += sizeof(struct hack_dirent) + namlen;
+	buf->used += reclen;
 	return 0;
 }
 
@@ -334,7 +336,8 @@
 		offset = filp->f_pos;
 
 	while (!eof) {
-		int reclen;
+		unsigned int reclen;
+
 		start_offset = offset;
 
 		buf.used = 0;
@@ -355,7 +358,8 @@
 				goto done;
 			}
 
-			reclen = sizeof(struct hack_dirent) + de->namlen;
+			reclen = ALIGN(sizeof(struct hack_dirent) + de->namlen,
+				       sizeof(u64));
 			size -= reclen;
 			de = (struct hack_dirent *)((char *)de + reclen);
 			curr_offset = de->offset /* & 0x7fffffff */;
diff --git a/include/asm-sh/cacheflush.h b/include/asm-sh/cacheflush.h
index 9d528ad..e034c36 100644
--- a/include/asm-sh/cacheflush.h
+++ b/include/asm-sh/cacheflush.h
@@ -43,6 +43,12 @@
 extern void __flush_invalidate_region(void *start, int size);
 #endif
 
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+	flush_dcache_page(page);
+}
+
 #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF)
 extern void copy_to_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
diff --git a/include/asm-sh/uaccess.h b/include/asm-sh/uaccess.h
index f18a1a5..77c391f 100644
--- a/include/asm-sh/uaccess.h
+++ b/include/asm-sh/uaccess.h
@@ -73,38 +73,26 @@
 /*
  * __access_ok: Check if address with size is OK or not.
  *
- * We do three checks:
- * (1) is it user space?
- * (2) addr + size --> carry?
- * (3) addr + size >= 0x80000000  (PAGE_OFFSET)
+ * Uhhuh, this needs 33-bit arithmetic. We have a carry..
  *
- * (1) (2) (3) | RESULT
- *  0   0   0  |  ok
- *  0   0   1  |  ok
- *  0   1   0  |  bad
- *  0   1   1  |  bad
- *  1   0   0  |  ok
- *  1   0   1  |  bad
- *  1   1   0  |  bad
- *  1   1   1  |  bad
+ * sum := addr + size;  carry? --> flag = true;
+ * if (sum >= addr_limit) flag = true;
  */
 static inline int __access_ok(unsigned long addr, unsigned long size)
 {
-	unsigned long flag, tmp;
+	unsigned long flag, sum;
 
-	__asm__("stc	r7_bank, %0\n\t"
-		"mov.l	@(8,%0), %0\n\t"
-		"clrt\n\t"
-		"addc	%2, %1\n\t"
-		"and	%1, %0\n\t"
-		"rotcl	%0\n\t"
-		"rotcl	%0\n\t"
-		"and	#3, %0"
-		: "=&z" (flag), "=r" (tmp)
-		: "r" (addr), "1" (size)
-		: "t");
-
+	__asm__("clrt\n\t"
+		"addc	%3, %1\n\t"
+		"movt	%0\n\t"
+		"cmp/hi	%4, %1\n\t"
+		"rotcl	%0"
+		:"=&r" (flag), "=r" (sum)
+		:"1" (addr), "r" (size),
+		 "r" (current_thread_info()->addr_limit.seg)
+		:"t");
 	return flag == 0;
+
 }
 #endif /* CONFIG_MMU */
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 023656d..7f22151 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2322,6 +2322,8 @@
 #define PCI_DEVICE_ID_INTEL_ICH9_4	0x2914
 #define PCI_DEVICE_ID_INTEL_ICH9_5	0x2919
 #define PCI_DEVICE_ID_INTEL_ICH9_6	0x2930
+#define PCI_DEVICE_ID_INTEL_ICH9_7	0x2916
+#define PCI_DEVICE_ID_INTEL_ICH9_8	0x2918
 #define PCI_DEVICE_ID_INTEL_82855PM_HB	0x3340
 #define PCI_DEVICE_ID_INTEL_82830_HB	0x3575
 #define PCI_DEVICE_ID_INTEL_82830_CGC	0x3577
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 09a309b..b78e029 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -246,6 +246,15 @@
 		device_set_wakeup_enable(dev,val); \
 	} while(0)
 
+/*
+ * Global Power Management flags
+ * Used to keep APM and ACPI from both being active
+ */
+extern unsigned int	pm_flags;
+
+#define PM_APM	1
+#define PM_ACPI	2
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_PM_H */
diff --git a/include/linux/pm_legacy.h b/include/linux/pm_legacy.h
index 514729a..446f4f4 100644
--- a/include/linux/pm_legacy.h
+++ b/include/linux/pm_legacy.h
@@ -4,10 +4,6 @@
 
 #ifdef CONFIG_PM_LEGACY
 
-extern int pm_active;
-
-#define PM_IS_ACTIVE() (pm_active != 0)
-
 /*
  * Register a device with power management
  */
@@ -21,8 +17,6 @@
 
 #else /* CONFIG_PM_LEGACY */
 
-#define PM_IS_ACTIVE() 0
-
 static inline struct pm_dev *pm_register(pm_dev_t type,
 					 unsigned long id,
 					 pm_callback callback)
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 0a0426c..2a6d62c 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -13,7 +13,7 @@
 #include <linux/errno.h>
 #include <linux/mod_devicetable.h>
 
-#define PNP_MAX_PORT		24
+#define PNP_MAX_PORT		40
 #define PNP_MAX_MEM		12
 #define PNP_MAX_IRQ		2
 #define PNP_MAX_DMA		2
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 416e000..e3ff21d 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -191,8 +191,8 @@
 	/*
 	 * offset and length are unused for chain entry.  Clear them.
 	 */
-	prv->offset = 0;
-	prv->length = 0;
+	prv[prv_nents - 1].offset = 0;
+	prv[prv_nents - 1].length = 0;
 
 	/*
 	 * Set lowest bit to indicate a link pointer, and make sure to clear
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ac3d496..cc14656 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1255,13 +1255,6 @@
  *
  * set_task_vxid()   : assigns a virtual id to a task;
  *
- * task_ppid_nr_ns() : the parent's id as seen from the namespace specified.
- *                     the result depends on the namespace and whether the
- *                     task in question is the namespace's init. e.g. for the
- *                     namespace's init this will return 0 when called from
- *                     the namespace of this init, or appropriate id otherwise.
- *
- *
  * see also pid_nr() etc in include/linux/pid.h
  */
 
@@ -1317,12 +1310,6 @@
 }
 
 
-static inline pid_t task_ppid_nr_ns(struct task_struct *tsk,
-		struct pid_namespace *ns)
-{
-	return pid_nr_ns(task_pid(rcu_dereference(tsk->real_parent)), ns);
-}
-
 /**
  * pid_alive - check that a task structure is not stale
  * @p: Task structure to be checked.
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 3cdf95b..f71c950 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -28,6 +28,9 @@
 
 DEFINE_MUTEX(pm_mutex);
 
+unsigned int pm_flags;
+EXPORT_SYMBOL(pm_flags);
+
 #ifdef CONFIG_SUSPEND
 
 /* This is just an arbitrary number */
diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index c50d152..60c73fa 100644
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -27,8 +27,6 @@
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
 
-int pm_active;
-
 /*
  *	Locking notes:
  *		pm_devs_lock can be a semaphore providing pm ops are not called
@@ -204,6 +202,4 @@
 
 EXPORT_SYMBOL(pm_register);
 EXPORT_SYMBOL(pm_send_all);
-EXPORT_SYMBOL(pm_active);
-
 
diff --git a/kernel/timer.c b/kernel/timer.c
index d4527dc..26671f4 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -978,7 +978,7 @@
 	int pid;
 
 	rcu_read_lock();
-	pid = task_ppid_nr_ns(current, current->nsproxy->pid_ns);
+	pid = task_tgid_nr_ns(current->real_parent, current->nsproxy->pid_ns);
 	rcu_read_unlock();
 
 	return pid;