Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (23 commits)
  [PATCH] 8139too deadlock fix
  [netdrvr] 3c59x: snip changelog from source code
  e1000: increase version to 7.1.9-k2
  e1000: add ich8lan device ID's
  e1000: allow user to disable ich8 lock loss workaround
  e1000: integrate ich8 support into driver
  e1000: add ich8lan core functions
  e1000: disable ERT
  e1000: check return value of _get_speed_and_duplex
  e1000: M88 PHY workaround
  e1000: fix adapter led blinking inconsistency
  e1000: disable CRC stripping workaround
  e1000: force register write flushes to circumvent broken platforms
  e1000: rework module param code with uninitialized values
  e1000: recycle skb
  e1000: change printk into DPRINTK
  e1000: add smart power down code
  e1000: small performance tweak by removing double code
  e1000: fix CONFIG_PM blocks
  e1000: Make PHY powerup/down a function
  ...
diff --git a/block/blktrace.c b/block/blktrace.c
index 92925e7..b8c07027 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -69,7 +69,7 @@
 /*
  * Bio action bits of interest
  */
-static u32 bio_act[3] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_ACT(BLK_TC_SYNC) };
+static u32 bio_act[5] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_ACT(BLK_TC_SYNC), 0, BLK_TC_ACT(BLK_TC_AHEAD) };
 
 /*
  * More could be added as needed, taking care to increment the decrementer
@@ -79,6 +79,8 @@
 	(((rw) & (1 << BIO_RW_BARRIER)) >> (BIO_RW_BARRIER - 0))
 #define trace_sync_bit(rw)	\
 	(((rw) & (1 << BIO_RW_SYNC)) >> (BIO_RW_SYNC - 1))
+#define trace_ahead_bit(rw)	\
+	(((rw) & (1 << BIO_RW_AHEAD)) << (BIO_RW_AHEAD - 0))
 
 /*
  * The worker for the various blk_add_trace*() types. Fills out a
@@ -100,6 +102,7 @@
 	what |= ddir_act[rw & WRITE];
 	what |= bio_act[trace_barrier_bit(rw)];
 	what |= bio_act[trace_sync_bit(rw)];
+	what |= bio_act[trace_ahead_bit(rw)];
 
 	pid = tsk->pid;
 	if (unlikely(act_log_check(bt, what, sector, pid)))
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index ab17c72..61d6b3c 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3491,8 +3491,8 @@
 
 void blk_rq_bio_prep(request_queue_t *q, struct request *rq, struct bio *bio)
 {
-	/* first three bits are identical in rq->flags and bio->bi_rw */
-	rq->flags |= (bio->bi_rw & 7);
+	/* first two bits are identical in rq->flags and bio->bi_rw */
+	rq->flags |= (bio->bi_rw & 3);
 
 	rq->nr_phys_segments = bio_phys_segments(q, bio);
 	rq->nr_hw_segments = bio_hw_segments(q, bio);
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index fef7bab..290c767 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -133,13 +133,6 @@
 	  This driver adds support for ACPI fan devices, allowing user-mode 
 	  applications to perform basic fan control (on, off, status).
 
-config ACPI_DOCK
-	tristate "Dock"
-	depends on !ACPI_IBM_DOCK
-	default y
-	help
-	  This driver adds support for ACPI controlled docking stations
-
 config ACPI_PROCESSOR
 	tristate "Processor"
 	default y
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index bce7ca2..bb5b80a 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -42,7 +42,6 @@
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
 obj-$(CONFIG_ACPI_EC)		+= ec.o
 obj-$(CONFIG_ACPI_FAN)		+= fan.o
-obj-$(CONFIG_ACPI_DOCK)		+= dock.o
 obj-$(CONFIG_ACPI_VIDEO)	+= video.o 
 obj-$(CONFIG_ACPI_HOTKEY)	+= hotkey.o
 obj-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
deleted file mode 100644
index 510a945..0000000
--- a/drivers/acpi/dock.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/*
- *  dock.c - ACPI dock station driver
- *
- *  Copyright (C) 2006 Kristen Carlson Accardi <kristen.c.accardi@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or (at
- *  your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/notifier.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver"
-
-ACPI_MODULE_NAME("dock")
-MODULE_AUTHOR("Kristen Carlson Accardi");
-MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME);
-MODULE_LICENSE("GPL");
-
-static struct atomic_notifier_head dock_notifier_list;
-
-struct dock_station {
-	acpi_handle handle;
-	unsigned long last_dock_time;
-	u32 flags;
-	spinlock_t dd_lock;
-	spinlock_t hp_lock;
-	struct list_head dependent_devices;
-	struct list_head hotplug_devices;
-};
-
-struct dock_dependent_device {
-	struct list_head list;
-	struct list_head hotplug_list;
-	acpi_handle handle;
-	acpi_notify_handler handler;
-	void *context;
-};
-
-#define DOCK_DOCKING	0x00000001
-#define DOCK_EVENT	KOBJ_DOCK
-#define UNDOCK_EVENT	KOBJ_UNDOCK
-
-static struct dock_station *dock_station;
-
-/*****************************************************************************
- *                         Dock Dependent device functions                   *
- *****************************************************************************/
-/**
- *  alloc_dock_dependent_device - allocate and init a dependent device
- *  @handle: the acpi_handle of the dependent device
- *
- *  Allocate memory for a dependent device structure for a device referenced
- *  by the acpi handle
- */
-static struct dock_dependent_device *
-alloc_dock_dependent_device(acpi_handle handle)
-{
-	struct dock_dependent_device *dd;
-
-	dd = kzalloc(sizeof(*dd), GFP_KERNEL);
-	if (dd) {
-		dd->handle = handle;
-		INIT_LIST_HEAD(&dd->list);
-		INIT_LIST_HEAD(&dd->hotplug_list);
-	}
-	return dd;
-}
-
-/**
- * add_dock_dependent_device - associate a device with the dock station
- * @ds: The dock station
- * @dd: The dependent device
- *
- * Add the dependent device to the dock's dependent device list.
- */
-static void
-add_dock_dependent_device(struct dock_station *ds,
-			  struct dock_dependent_device *dd)
-{
-	spin_lock(&ds->dd_lock);
-	list_add_tail(&dd->list, &ds->dependent_devices);
-	spin_unlock(&ds->dd_lock);
-}
-
-/**
- * dock_add_hotplug_device - associate a hotplug handler with the dock station
- * @ds: The dock station
- * @dd: The dependent device struct
- *
- * Add the dependent device to the dock's hotplug device list
- */
-static void
-dock_add_hotplug_device(struct dock_station *ds,
-			struct dock_dependent_device *dd)
-{
-	spin_lock(&ds->hp_lock);
-	list_add_tail(&dd->hotplug_list, &ds->hotplug_devices);
-	spin_unlock(&ds->hp_lock);
-}
-
-/**
- * dock_del_hotplug_device - remove a hotplug handler from the dock station
- * @ds: The dock station
- * @dd: the dependent device struct
- *
- * Delete the dependent device from the dock's hotplug device list
- */
-static void
-dock_del_hotplug_device(struct dock_station *ds,
-			struct dock_dependent_device *dd)
-{
-	spin_lock(&ds->hp_lock);
-	list_del(&dd->hotplug_list);
-	spin_unlock(&ds->hp_lock);
-}
-
-/**
- * find_dock_dependent_device - get a device dependent on this dock
- * @ds: the dock station
- * @handle: the acpi_handle of the device we want
- *
- * iterate over the dependent device list for this dock.  If the
- * dependent device matches the handle, return.
- */
-static struct dock_dependent_device *
-find_dock_dependent_device(struct dock_station *ds, acpi_handle handle)
-{
-	struct dock_dependent_device *dd;
-
-	spin_lock(&ds->dd_lock);
-	list_for_each_entry(dd, &ds->dependent_devices, list) {
-		if (handle == dd->handle) {
-			spin_unlock(&ds->dd_lock);
-			return dd;
-		}
-	}
-	spin_unlock(&ds->dd_lock);
-	return NULL;
-}
-
-/*****************************************************************************
- *                         Dock functions                                    *
- *****************************************************************************/
-/**
- * is_dock - see if a device is a dock station
- * @handle: acpi handle of the device
- *
- * If an acpi object has a _DCK method, then it is by definition a dock
- * station, so return true.
- */
-static int is_dock(acpi_handle handle)
-{
-	acpi_status status;
-	acpi_handle tmp;
-
-	status = acpi_get_handle(handle, "_DCK", &tmp);
-	if (ACPI_FAILURE(status))
-		return 0;
-	return 1;
-}
-
-/**
- * is_dock_device - see if a device is on a dock station
- * @handle: acpi handle of the device
- *
- * If this device is either the dock station itself,
- * or is a device dependent on the dock station, then it
- * is a dock device
- */
-int is_dock_device(acpi_handle handle)
-{
-	if (!dock_station)
-		return 0;
-
-	if (is_dock(handle) || find_dock_dependent_device(dock_station, handle))
-		return 1;
-
-	return 0;
-}
-
-EXPORT_SYMBOL_GPL(is_dock_device);
-
-/**
- * dock_present - see if the dock station is present.
- * @ds: the dock station
- *
- * execute the _STA method.  note that present does not
- * imply that we are docked.
- */
-static int dock_present(struct dock_station *ds)
-{
-	unsigned long sta;
-	acpi_status status;
-
-	if (ds) {
-		status = acpi_evaluate_integer(ds->handle, "_STA", NULL, &sta);
-		if (ACPI_SUCCESS(status) && sta)
-			return 1;
-	}
-	return 0;
-}
-
-
-
-/**
- * dock_create_acpi_device - add new devices to acpi
- * @handle - handle of the device to add
- *
- *  This function will create a new acpi_device for the given
- *  handle if one does not exist already.  This should cause
- *  acpi to scan for drivers for the given devices, and call
- *  matching driver's add routine.
- *
- *  Returns a pointer to the acpi_device corresponding to the handle.
- */
-static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
-{
-	struct acpi_device *device = NULL;
-	struct acpi_device *parent_device;
-	acpi_handle parent;
-	int ret;
-
-	if (acpi_bus_get_device(handle, &device)) {
-		/*
-		 * no device created for this object,
-		 * so we should create one.
-		 */
-		acpi_get_parent(handle, &parent);
-		if (acpi_bus_get_device(parent, &parent_device))
-			parent_device = NULL;
-
-		ret = acpi_bus_add(&device, parent_device, handle,
-			ACPI_BUS_TYPE_DEVICE);
-		if (ret) {
-			pr_debug("error adding bus, %x\n",
-				-ret);
-			return NULL;
-		}
-	}
-	return device;
-}
-
-/**
- * dock_remove_acpi_device - remove the acpi_device struct from acpi
- * @handle - the handle of the device to remove
- *
- *  Tell acpi to remove the acpi_device.  This should cause any loaded
- *  driver to have it's remove routine called.
- */
-static void dock_remove_acpi_device(acpi_handle handle)
-{
-	struct acpi_device *device;
-	int ret;
-
-	if (!acpi_bus_get_device(handle, &device)) {
-		ret = acpi_bus_trim(device, 1);
-		if (ret)
-			pr_debug("error removing bus, %x\n", -ret);
-	}
-}
-
-
-/**
- * hotplug_dock_devices - insert or remove devices on the dock station
- * @ds: the dock station
- * @event: either bus check or eject request
- *
- * Some devices on the dock station need to have drivers called
- * to perform hotplug operations after a dock event has occurred.
- * Traverse the list of dock devices that have registered a
- * hotplug handler, and call the handler.
- */
-static void hotplug_dock_devices(struct dock_station *ds, u32 event)
-{
-	struct dock_dependent_device *dd;
-
-	spin_lock(&ds->hp_lock);
-
-	/*
-	 * First call driver specific hotplug functions
-	 */
-	list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list) {
-		if (dd->handler)
-			dd->handler(dd->handle, event, dd->context);
-	}
-
-	/*
-	 * Now make sure that an acpi_device is created for each
-	 * dependent device, or removed if this is an eject request.
-	 * This will cause acpi_drivers to be stopped/started if they
-	 * exist
-	 */
-	list_for_each_entry(dd, &ds->dependent_devices, list) {
-		if (event == ACPI_NOTIFY_EJECT_REQUEST)
-			dock_remove_acpi_device(dd->handle);
-		else
-			dock_create_acpi_device(dd->handle);
-	}
-	spin_unlock(&ds->hp_lock);
-}
-
-static void dock_event(struct dock_station *ds, u32 event, int num)
-{
-	struct acpi_device *device;
-
-	device = dock_create_acpi_device(ds->handle);
-	if (device)
-		kobject_uevent(&device->kobj, num);
-}
-
-/**
- * eject_dock - respond to a dock eject request
- * @ds: the dock station
- *
- * This is called after _DCK is called, to execute the dock station's
- * _EJ0 method.
- */
-static void eject_dock(struct dock_station *ds)
-{
-	struct acpi_object_list arg_list;
-	union acpi_object arg;
-	acpi_status status;
-	acpi_handle tmp;
-
-	/* all dock devices should have _EJ0, but check anyway */
-	status = acpi_get_handle(ds->handle, "_EJ0", &tmp);
-	if (ACPI_FAILURE(status)) {
-		pr_debug("No _EJ0 support for dock device\n");
-		return;
-	}
-
-	arg_list.count = 1;
-	arg_list.pointer = &arg;
-	arg.type = ACPI_TYPE_INTEGER;
-	arg.integer.value = 1;
-
-	if (ACPI_FAILURE(acpi_evaluate_object(ds->handle, "_EJ0",
-					      &arg_list, NULL)))
-		pr_debug("Failed to evaluate _EJ0!\n");
-}
-
-/**
- * handle_dock - handle a dock event
- * @ds: the dock station
- * @dock: to dock, or undock - that is the question
- *
- * Execute the _DCK method in response to an acpi event
- */
-static void handle_dock(struct dock_station *ds, int dock)
-{
-	acpi_status status;
-	struct acpi_object_list arg_list;
-	union acpi_object arg;
-	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-	union acpi_object *obj;
-
-	acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer);
-	obj = name_buffer.pointer;
-
-	printk(KERN_INFO PREFIX "%s\n", dock ? "docking" : "undocking");
-
-	/* _DCK method has one argument */
-	arg_list.count = 1;
-	arg_list.pointer = &arg;
-	arg.type = ACPI_TYPE_INTEGER;
-	arg.integer.value = dock;
-	status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
-	if (ACPI_FAILURE(status))
-		pr_debug("%s: failed to execute _DCK\n", obj->string.pointer);
-	kfree(buffer.pointer);
-	kfree(name_buffer.pointer);
-}
-
-static inline void dock(struct dock_station *ds)
-{
-	handle_dock(ds, 1);
-}
-
-static inline void undock(struct dock_station *ds)
-{
-	handle_dock(ds, 0);
-}
-
-static inline void begin_dock(struct dock_station *ds)
-{
-	ds->flags |= DOCK_DOCKING;
-}
-
-static inline void complete_dock(struct dock_station *ds)
-{
-	ds->flags &= ~(DOCK_DOCKING);
-	ds->last_dock_time = jiffies;
-}
-
-/**
- * dock_in_progress - see if we are in the middle of handling a dock event
- * @ds: the dock station
- *
- * Sometimes while docking, false dock events can be sent to the driver
- * because good connections aren't made or some other reason.  Ignore these
- * if we are in the middle of doing something.
- */
-static int dock_in_progress(struct dock_station *ds)
-{
-	if ((ds->flags & DOCK_DOCKING) ||
-	    time_before(jiffies, (ds->last_dock_time + HZ)))
-		return 1;
-	return 0;
-}
-
-/**
- * register_dock_notifier - add yourself to the dock notifier list
- * @nb: the callers notifier block
- *
- * If a driver wishes to be notified about dock events, they can
- * use this function to put a notifier block on the dock notifier list.
- * this notifier call chain will be called after a dock event, but
- * before hotplugging any new devices.
- */
-int register_dock_notifier(struct notifier_block *nb)
-{
-	return atomic_notifier_chain_register(&dock_notifier_list, nb);
-}
-
-EXPORT_SYMBOL_GPL(register_dock_notifier);
-
-/**
- * unregister_dock_notifier - remove yourself from the dock notifier list
- * @nb: the callers notifier block
- */
-void unregister_dock_notifier(struct notifier_block *nb)
-{
-	atomic_notifier_chain_unregister(&dock_notifier_list, nb);
-}
-
-EXPORT_SYMBOL_GPL(unregister_dock_notifier);
-
-/**
- * register_hotplug_dock_device - register a hotplug function
- * @handle: the handle of the device
- * @handler: the acpi_notifier_handler to call after docking
- * @context: device specific data
- *
- * If a driver would like to perform a hotplug operation after a dock
- * event, they can register an acpi_notifiy_handler to be called by
- * the dock driver after _DCK is executed.
- */
-int
-register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler,
-			     void *context)
-{
-	struct dock_dependent_device *dd;
-
-	if (!dock_station)
-		return -ENODEV;
-
-	/*
-	 * make sure this handle is for a device dependent on the dock,
-	 * this would include the dock station itself
-	 */
-	dd = find_dock_dependent_device(dock_station, handle);
-	if (dd) {
-		dd->handler = handler;
-		dd->context = context;
-		dock_add_hotplug_device(dock_station, dd);
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-EXPORT_SYMBOL_GPL(register_hotplug_dock_device);
-
-/**
- * unregister_hotplug_dock_device - remove yourself from the hotplug list
- * @handle: the acpi handle of the device
- */
-void unregister_hotplug_dock_device(acpi_handle handle)
-{
-	struct dock_dependent_device *dd;
-
-	if (!dock_station)
-		return;
-
-	dd = find_dock_dependent_device(dock_station, handle);
-	if (dd)
-		dock_del_hotplug_device(dock_station, dd);
-}
-
-EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
-
-/**
- * dock_notify - act upon an acpi dock notification
- * @handle: the dock station handle
- * @event: the acpi event
- * @data: our driver data struct
- *
- * If we are notified to dock, then check to see if the dock is
- * present and then dock.  Notify all drivers of the dock event,
- * and then hotplug and devices that may need hotplugging.  For undock
- * check to make sure the dock device is still present, then undock
- * and hotremove all the devices that may need removing.
- */
-static void dock_notify(acpi_handle handle, u32 event, void *data)
-{
-	struct dock_station *ds = (struct dock_station *)data;
-
-	switch (event) {
-	case ACPI_NOTIFY_BUS_CHECK:
-		if (!dock_in_progress(ds) && dock_present(ds)) {
-			begin_dock(ds);
-			dock(ds);
-			if (!dock_present(ds)) {
-				printk(KERN_ERR PREFIX "Unable to dock!\n");
-				break;
-			}
-			atomic_notifier_call_chain(&dock_notifier_list,
-						   event, NULL);
-			hotplug_dock_devices(ds, event);
-			complete_dock(ds);
-			dock_event(ds, event, DOCK_EVENT);
-		}
-		break;
-	case ACPI_NOTIFY_DEVICE_CHECK:
-	/*
-         * According to acpi spec 3.0a, if a DEVICE_CHECK notification
-         * is sent and _DCK is present, it is assumed to mean an
-         * undock request.  This notify routine will only be called
-         * for objects defining _DCK, so we will fall through to eject
-         * request here.  However, we will pass an eject request through
-	 * to the driver who wish to hotplug.
-         */
-	case ACPI_NOTIFY_EJECT_REQUEST:
-		if (!dock_in_progress(ds) && dock_present(ds)) {
-			/*
-			 * here we need to generate the undock
-			 * event prior to actually doing the undock
-			 * so that the device struct still exists.
-			 */
-			dock_event(ds, event, UNDOCK_EVENT);
-			hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
-			undock(ds);
-			eject_dock(ds);
-			if (dock_present(ds))
-				printk(KERN_ERR PREFIX "Unable to undock!\n");
-		}
-		break;
-	default:
-		printk(KERN_ERR PREFIX "Unknown dock event %d\n", event);
-	}
-}
-
-/**
- * find_dock_devices - find devices on the dock station
- * @handle: the handle of the device we are examining
- * @lvl: unused
- * @context: the dock station private data
- * @rv: unused
- *
- * This function is called by acpi_walk_namespace.  It will
- * check to see if an object has an _EJD method.  If it does, then it
- * will see if it is dependent on the dock station.
- */
-static acpi_status
-find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	acpi_status status;
-	acpi_handle tmp;
-	struct dock_station *ds = (struct dock_station *)context;
-	struct dock_dependent_device *dd;
-
-	status = acpi_bus_get_ejd(handle, &tmp);
-	if (ACPI_FAILURE(status))
-		return AE_OK;
-
-	if (tmp == ds->handle) {
-		dd = alloc_dock_dependent_device(handle);
-		if (dd)
-			add_dock_dependent_device(ds, dd);
-	}
-
-	return AE_OK;
-}
-
-/**
- * dock_add - add a new dock station
- * @handle: the dock station handle
- *
- * allocated and initialize a new dock station device.  Find all devices
- * that are on the dock station, and register for dock event notifications.
- */
-static int dock_add(acpi_handle handle)
-{
-	int ret;
-	acpi_status status;
-	struct dock_dependent_device *dd;
-
-	/* allocate & initialize the dock_station private data */
-	dock_station = kzalloc(sizeof(*dock_station), GFP_KERNEL);
-	if (!dock_station)
-		return -ENOMEM;
-	dock_station->handle = handle;
-	dock_station->last_dock_time = jiffies - HZ;
-	INIT_LIST_HEAD(&dock_station->dependent_devices);
-	INIT_LIST_HEAD(&dock_station->hotplug_devices);
-	spin_lock_init(&dock_station->dd_lock);
-	spin_lock_init(&dock_station->hp_lock);
-
-	/* Find dependent devices */
-	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-			    ACPI_UINT32_MAX, find_dock_devices, dock_station,
-			    NULL);
-
-	/* add the dock station as a device dependent on itself */
-	dd = alloc_dock_dependent_device(handle);
-	if (!dd) {
-		kfree(dock_station);
-		return -ENOMEM;
-	}
-	add_dock_dependent_device(dock_station, dd);
-
-	/* register for dock events */
-	status = acpi_install_notify_handler(dock_station->handle,
-					     ACPI_SYSTEM_NOTIFY,
-					     dock_notify, dock_station);
-
-	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX "Error installing notify handler\n");
-		ret = -ENODEV;
-		goto dock_add_err;
-	}
-
-	printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME);
-
-	return 0;
-
-dock_add_err:
-	kfree(dock_station);
-	kfree(dd);
-	return ret;
-}
-
-/**
- * dock_remove - free up resources related to the dock station
- */
-static int dock_remove(void)
-{
-	struct dock_dependent_device *dd, *tmp;
-	acpi_status status;
-
-	if (!dock_station)
-		return 0;
-
-	/* remove dependent devices */
-	list_for_each_entry_safe(dd, tmp, &dock_station->dependent_devices,
-				 list)
-	    kfree(dd);
-
-	/* remove dock notify handler */
-	status = acpi_remove_notify_handler(dock_station->handle,
-					    ACPI_SYSTEM_NOTIFY,
-					    dock_notify);
-	if (ACPI_FAILURE(status))
-		printk(KERN_ERR "Error removing notify handler\n");
-
-	/* free dock station memory */
-	kfree(dock_station);
-	return 0;
-}
-
-/**
- * find_dock - look for a dock station
- * @handle: acpi handle of a device
- * @lvl: unused
- * @context: counter of dock stations found
- * @rv: unused
- *
- * This is called by acpi_walk_namespace to look for dock stations.
- */
-static acpi_status
-find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	int *count = (int *)context;
-	acpi_status status = AE_OK;
-
-	if (is_dock(handle)) {
-		if (dock_add(handle) >= 0) {
-			(*count)++;
-			status = AE_CTRL_TERMINATE;
-		}
-	}
-	return status;
-}
-
-static int __init dock_init(void)
-{
-	int num = 0;
-
-	dock_station = NULL;
-
-	/* look for a dock station */
-	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-			    ACPI_UINT32_MAX, find_dock, &num, NULL);
-
-	if (!num)
-		return -ENODEV;
-
-	return 0;
-}
-
-static void __exit dock_exit(void)
-{
-	dock_remove();
-}
-
-postcore_initcall(dock_init);
-module_exit(dock_exit);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5fcb50c..cac4fcd 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -663,29 +663,6 @@
                                  Device Enumeration
    -------------------------------------------------------------------------- */
 
-acpi_status
-acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd)
-{
-	acpi_status status;
-	acpi_handle tmp;
-	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	union acpi_object *obj;
-
-	status = acpi_get_handle(handle, "_EJD", &tmp);
-	if (ACPI_FAILURE(status))
-		return status;
-
-	status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer);
-	if (ACPI_SUCCESS(status)) {
-		obj = buffer.pointer;
-		status = acpi_get_handle(NULL, obj->string.pointer, ejd);
-		kfree(buffer.pointer);
-	}
-	return status;
-}
-EXPORT_SYMBOL_GPL(acpi_bus_get_ejd);
-
-
 static int acpi_bus_get_flags(struct acpi_device *device)
 {
 	acpi_status status = AE_OK;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1ba4039..8d32818 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -423,6 +423,8 @@
 	if (cpufreq_parse_governor(str_governor, &new_policy.policy, &new_policy.governor))
 		return -EINVAL;
 
+	lock_cpu_hotplug();
+
 	/* Do not use cpufreq_set_policy here or the user_policy.max
 	   will be wrongly overridden */
 	mutex_lock(&policy->lock);
@@ -432,6 +434,8 @@
 	policy->user_policy.governor = policy->governor;
 	mutex_unlock(&policy->lock);
 
+	unlock_cpu_hotplug();
+
 	return ret ? ret : count;
 }
 
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index f338e40..a2b3e39 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -334,7 +334,7 @@
 		 acpi_handle handle, int type);
 int acpi_bus_trim(struct acpi_device *start, int rmdevice);
 int acpi_bus_start(struct acpi_device *device);
-acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd);
+
 int acpi_match_ids(struct acpi_device *device, char *ids);
 int acpi_create_dir(struct acpi_device *);
 void acpi_remove_dir(struct acpi_device *);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 6a5bdce..b425f9b 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -110,21 +110,4 @@
 
 extern int acpi_specific_hotkey_enabled;
 
-/*--------------------------------------------------------------------------
-                                  Dock Station
-  -------------------------------------------------------------------------- */
-#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
-extern int is_dock_device(acpi_handle handle);
-extern int register_dock_notifier(struct notifier_block *nb);
-extern void unregister_dock_notifier(struct notifier_block *nb);
-extern int register_hotplug_dock_device(acpi_handle handle,
-	acpi_notify_handler handler, void *context);
-extern void unregister_hotplug_dock_device(acpi_handle handle);
-#else
-#define is_dock_device(h)			(0)
-#define register_dock_notifier(nb) 		(-ENODEV)
-#define unregister_dock_notifier(nb)           	do { } while(0)
-#define register_hotplug_dock_device(h1, h2, c)	(-ENODEV)
-#define unregister_hotplug_dock_device(h)       do { } while(0)
-#endif
 #endif /*__ACPI_DRIVERS_H__*/
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index 4f061fa..51a1662 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -46,8 +46,8 @@
 {
 	__asm__ __volatile__(
 		LOCK_PREFIX "addl %1,%0"
-		:"=m" (v->counter)
-		:"ir" (i), "m" (v->counter));
+		:"+m" (v->counter)
+		:"ir" (i));
 }
 
 /**
@@ -61,8 +61,8 @@
 {
 	__asm__ __volatile__(
 		LOCK_PREFIX "subl %1,%0"
-		:"=m" (v->counter)
-		:"ir" (i), "m" (v->counter));
+		:"+m" (v->counter)
+		:"ir" (i));
 }
 
 /**
@@ -80,8 +80,8 @@
 
 	__asm__ __volatile__(
 		LOCK_PREFIX "subl %2,%0; sete %1"
-		:"=m" (v->counter), "=qm" (c)
-		:"ir" (i), "m" (v->counter) : "memory");
+		:"+m" (v->counter), "=qm" (c)
+		:"ir" (i) : "memory");
 	return c;
 }
 
@@ -95,8 +95,7 @@
 {
 	__asm__ __volatile__(
 		LOCK_PREFIX "incl %0"
-		:"=m" (v->counter)
-		:"m" (v->counter));
+		:"+m" (v->counter));
 }
 
 /**
@@ -109,8 +108,7 @@
 {
 	__asm__ __volatile__(
 		LOCK_PREFIX "decl %0"
-		:"=m" (v->counter)
-		:"m" (v->counter));
+		:"+m" (v->counter));
 }
 
 /**
@@ -127,8 +125,8 @@
 
 	__asm__ __volatile__(
 		LOCK_PREFIX "decl %0; sete %1"
-		:"=m" (v->counter), "=qm" (c)
-		:"m" (v->counter) : "memory");
+		:"+m" (v->counter), "=qm" (c)
+		: : "memory");
 	return c != 0;
 }
 
@@ -146,8 +144,8 @@
 
 	__asm__ __volatile__(
 		LOCK_PREFIX "incl %0; sete %1"
-		:"=m" (v->counter), "=qm" (c)
-		:"m" (v->counter) : "memory");
+		:"+m" (v->counter), "=qm" (c)
+		: : "memory");
 	return c != 0;
 }
 
@@ -166,8 +164,8 @@
 
 	__asm__ __volatile__(
 		LOCK_PREFIX "addl %2,%0; sets %1"
-		:"=m" (v->counter), "=qm" (c)
-		:"ir" (i), "m" (v->counter) : "memory");
+		:"+m" (v->counter), "=qm" (c)
+		:"ir" (i) : "memory");
 	return c;
 }
 
diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h
index 7b8ceef..946d97c 100644
--- a/include/asm-i386/futex.h
+++ b/include/asm-i386/futex.h
@@ -20,8 +20,8 @@
 	.align	8\n\
 	.long	1b,3b\n\
 	.previous"						\
-	: "=r" (oldval), "=r" (ret), "=m" (*uaddr)		\
-	: "i" (-EFAULT), "m" (*uaddr), "0" (oparg), "1" (0))
+	: "=r" (oldval), "=r" (ret), "+m" (*uaddr)		\
+	: "i" (-EFAULT), "0" (oparg), "1" (0))
 
 #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile (						\
@@ -38,9 +38,9 @@
 	.align	8\n\
 	.long	1b,4b,2b,4b\n\
 	.previous"						\
-	: "=&a" (oldval), "=&r" (ret), "=m" (*uaddr),		\
+	: "=&a" (oldval), "=&r" (ret), "+m" (*uaddr),		\
 	  "=&r" (tem)						\
-	: "r" (oparg), "i" (-EFAULT), "m" (*uaddr), "1" (0))
+	: "r" (oparg), "i" (-EFAULT), "1" (0))
 
 static inline int
 futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
@@ -123,7 +123,7 @@
 		"	.long   1b,3b				\n"
 		"	.previous				\n"
 
-		: "=a" (oldval), "=m" (*uaddr)
+		: "=a" (oldval), "+m" (*uaddr)
 		: "i" (-EFAULT), "r" (newval), "0" (oldval)
 		: "memory"
 	);
diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h
index 3b4998c..12060e2 100644
--- a/include/asm-i386/local.h
+++ b/include/asm-i386/local.h
@@ -17,32 +17,30 @@
 {
 	__asm__ __volatile__(
 		"incl %0"
-		:"=m" (v->counter)
-		:"m" (v->counter));
+		:"+m" (v->counter));
 }
 
 static __inline__ void local_dec(local_t *v)
 {
 	__asm__ __volatile__(
 		"decl %0"
-		:"=m" (v->counter)
-		:"m" (v->counter));
+		:"+m" (v->counter));
 }
 
 static __inline__ void local_add(long i, local_t *v)
 {
 	__asm__ __volatile__(
 		"addl %1,%0"
-		:"=m" (v->counter)
-		:"ir" (i), "m" (v->counter));
+		:"+m" (v->counter)
+		:"ir" (i));
 }
 
 static __inline__ void local_sub(long i, local_t *v)
 {
 	__asm__ __volatile__(
 		"subl %1,%0"
-		:"=m" (v->counter)
-		:"ir" (i), "m" (v->counter));
+		:"+m" (v->counter)
+		:"ir" (i));
 }
 
 /* On x86, these are no better than the atomic variants. */
diff --git a/include/asm-i386/posix_types.h b/include/asm-i386/posix_types.h
index 4e47ed0..133e31e 100644
--- a/include/asm-i386/posix_types.h
+++ b/include/asm-i386/posix_types.h
@@ -51,12 +51,12 @@
 #undef	__FD_SET
 #define __FD_SET(fd,fdsetp) \
 		__asm__ __volatile__("btsl %1,%0": \
-			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
+			"+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
 
 #undef	__FD_CLR
 #define __FD_CLR(fd,fdsetp) \
 		__asm__ __volatile__("btrl %1,%0": \
-			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
+			"+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
 
 #undef	__FD_ISSET
 #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 94f0019..96b0bef 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -37,7 +37,7 @@
 			"popl %%eax\n\t" \
 			"1:\n", \
 			"subl $1,%0\n\t", \
-			"=m" (*(volatile int *)rw) : : "memory")
+			"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_read_lock(rw, helper)	do { \
 						if (__builtin_constant_p(rw)) \
@@ -63,7 +63,7 @@
 			"popl %%eax\n\t" \
 			"1:\n", \
 			"subl $" RW_LOCK_BIAS_STR ",%0\n\t", \
-			"=m" (*(volatile int *)rw) : : "memory")
+			"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_write_lock(rw, helper)	do { \
 						if (__builtin_constant_p(rw)) \
diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h
index 2f07601..43113f5 100644
--- a/include/asm-i386/rwsem.h
+++ b/include/asm-i386/rwsem.h
@@ -111,8 +111,8 @@
 		"  jmp       1b\n"
 		LOCK_SECTION_END
 		"# ending down_read\n\t"
-		: "=m"(sem->count)
-		: "a"(sem), "m"(sem->count)
+		: "+m" (sem->count)
+		: "a" (sem)
 		: "memory", "cc");
 }
 
@@ -133,8 +133,8 @@
 		"  jnz	     1b\n\t"
 		"2:\n\t"
 		"# ending __down_read_trylock\n\t"
-		: "+m"(sem->count), "=&a"(result), "=&r"(tmp)
-		: "i"(RWSEM_ACTIVE_READ_BIAS)
+		: "+m" (sem->count), "=&a" (result), "=&r" (tmp)
+		: "i" (RWSEM_ACTIVE_READ_BIAS)
 		: "memory", "cc");
 	return result>=0 ? 1 : 0;
 }
@@ -161,8 +161,8 @@
 		"  jmp       1b\n"
 		LOCK_SECTION_END
 		"# ending down_write"
-		: "=m"(sem->count), "=d"(tmp)
-		: "a"(sem), "1"(tmp), "m"(sem->count)
+		: "+m" (sem->count), "=d" (tmp)
+		: "a" (sem), "1" (tmp)
 		: "memory", "cc");
 }
 
@@ -205,8 +205,8 @@
 		"  jmp       1b\n"
 		LOCK_SECTION_END
 		"# ending __up_read\n"
-		: "=m"(sem->count), "=d"(tmp)
-		: "a"(sem), "1"(tmp), "m"(sem->count)
+		: "+m" (sem->count), "=d" (tmp)
+		: "a" (sem), "1" (tmp)
 		: "memory", "cc");
 }
 
@@ -231,8 +231,8 @@
 		"  jmp       1b\n"
 		LOCK_SECTION_END
 		"# ending __up_write\n"
-		: "=m"(sem->count)
-		: "a"(sem), "i"(-RWSEM_ACTIVE_WRITE_BIAS), "m"(sem->count)
+		: "+m" (sem->count)
+		: "a" (sem), "i" (-RWSEM_ACTIVE_WRITE_BIAS)
 		: "memory", "cc", "edx");
 }
 
@@ -256,8 +256,8 @@
 		"  jmp       1b\n"
 		LOCK_SECTION_END
 		"# ending __downgrade_write\n"
-		: "=m"(sem->count)
-		: "a"(sem), "i"(-RWSEM_WAITING_BIAS), "m"(sem->count)
+		: "+m" (sem->count)
+		: "a" (sem), "i" (-RWSEM_WAITING_BIAS)
 		: "memory", "cc");
 }
 
@@ -268,8 +268,8 @@
 {
 	__asm__ __volatile__(
 LOCK_PREFIX	"addl %1,%0"
-		: "=m"(sem->count)
-		: "ir"(delta), "m"(sem->count));
+		: "+m" (sem->count)
+		: "ir" (delta));
 }
 
 /*
@@ -280,10 +280,9 @@
 	int tmp = delta;
 
 	__asm__ __volatile__(
-LOCK_PREFIX	"xadd %0,(%2)"
-		: "+r"(tmp), "=m"(sem->count)
-		: "r"(sem), "m"(sem->count)
-		: "memory");
+LOCK_PREFIX	"xadd %0,%1"
+		: "+r" (tmp), "+m" (sem->count)
+		: : "memory");
 
 	return tmp+delta;
 }
diff --git a/include/asm-i386/semaphore.h b/include/asm-i386/semaphore.h
index f7a0f31..d51e800 100644
--- a/include/asm-i386/semaphore.h
+++ b/include/asm-i386/semaphore.h
@@ -107,7 +107,7 @@
 		"call __down_failed\n\t"
 		"jmp 1b\n"
 		LOCK_SECTION_END
-		:"=m" (sem->count)
+		:"+m" (sem->count)
 		:
 		:"memory","ax");
 }
@@ -132,7 +132,7 @@
 		"call __down_failed_interruptible\n\t"
 		"jmp 1b\n"
 		LOCK_SECTION_END
-		:"=a" (result), "=m" (sem->count)
+		:"=a" (result), "+m" (sem->count)
 		:
 		:"memory");
 	return result;
@@ -157,7 +157,7 @@
 		"call __down_failed_trylock\n\t"
 		"jmp 1b\n"
 		LOCK_SECTION_END
-		:"=a" (result), "=m" (sem->count)
+		:"=a" (result), "+m" (sem->count)
 		:
 		:"memory");
 	return result;
@@ -182,7 +182,7 @@
 		"jmp 1b\n"
 		LOCK_SECTION_END
 		".subsection 0\n"
-		:"=m" (sem->count)
+		:"+m" (sem->count)
 		:
 		:"memory","ax");
 }
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index 87c40f8..d816c62 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -65,7 +65,7 @@
 	alternative_smp(
 		__raw_spin_lock_string,
 		__raw_spin_lock_string_up,
-		"=m" (lock->slock) : : "memory");
+		"+m" (lock->slock) : : "memory");
 }
 
 /*
@@ -79,7 +79,7 @@
 	alternative_smp(
 		__raw_spin_lock_string_flags,
 		__raw_spin_lock_string_up,
-		"=m" (lock->slock) : "r" (flags) : "memory");
+		"+m" (lock->slock) : "r" (flags) : "memory");
 }
 #endif
 
@@ -88,7 +88,7 @@
 	char oldval;
 	__asm__ __volatile__(
 		"xchgb %b0,%1"
-		:"=q" (oldval), "=m" (lock->slock)
+		:"=q" (oldval), "+m" (lock->slock)
 		:"0" (0) : "memory");
 	return oldval > 0;
 }
@@ -104,7 +104,7 @@
 
 #define __raw_spin_unlock_string \
 	"movb $1,%0" \
-		:"=m" (lock->slock) : : "memory"
+		:"+m" (lock->slock) : : "memory"
 
 
 static inline void __raw_spin_unlock(raw_spinlock_t *lock)
@@ -118,7 +118,7 @@
 
 #define __raw_spin_unlock_string \
 	"xchgb %b0, %1" \
-		:"=q" (oldval), "=m" (lock->slock) \
+		:"=q" (oldval), "+m" (lock->slock) \
 		:"0" (oldval) : "memory"
 
 static inline void __raw_spin_unlock(raw_spinlock_t *lock)
@@ -199,13 +199,13 @@
 
 static inline void __raw_read_unlock(raw_rwlock_t *rw)
 {
-	asm volatile(LOCK_PREFIX "incl %0" :"=m" (rw->lock) : : "memory");
+	asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory");
 }
 
 static inline void __raw_write_unlock(raw_rwlock_t *rw)
 {
 	asm volatile(LOCK_PREFIX "addl $" RW_LOCK_BIAS_STR ", %0"
-				 : "=m" (rw->lock) : : "memory");
+				 : "+m" (rw->lock) : : "memory");
 }
 
 #endif /* __ASM_SPINLOCK_H */
diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h
index bb3c0ab..53283e2 100644
--- a/include/asm-powerpc/atomic.h
+++ b/include/asm-powerpc/atomic.h
@@ -27,8 +27,8 @@
 	PPC405_ERR77(0,%3)
 "	stwcx.	%0,0,%3 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (a), "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (a), "r" (&v->counter)
 	: "cc");
 }
 
@@ -63,8 +63,8 @@
 	PPC405_ERR77(0,%3)
 "	stwcx.	%0,0,%3 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (a), "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (a), "r" (&v->counter)
 	: "cc");
 }
 
@@ -97,8 +97,8 @@
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%2 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (&v->counter)
 	: "cc");
 }
 
@@ -141,8 +141,8 @@
 	PPC405_ERR77(0,%2)\
 "	stwcx.	%0,0,%2\n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (&v->counter)
 	: "cc");
 }
 
@@ -253,8 +253,8 @@
 	add	%0,%2,%0\n\
 	stdcx.	%0,0,%3 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (a), "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (a), "r" (&v->counter)
 	: "cc");
 }
 
@@ -287,8 +287,8 @@
 	subf	%0,%2,%0\n\
 	stdcx.	%0,0,%3 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (a), "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (a), "r" (&v->counter)
 	: "cc");
 }
 
@@ -319,8 +319,8 @@
 	addic	%0,%0,1\n\
 	stdcx.	%0,0,%2 \n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (&v->counter)
 	: "cc");
 }
 
@@ -361,8 +361,8 @@
 	addic	%0,%0,-1\n\
 	stdcx.	%0,0,%2\n\
 	bne-	1b"
-	: "=&r" (t), "=m" (v->counter)
-	: "r" (&v->counter), "m" (v->counter)
+	: "=&r" (t), "+m" (v->counter)
+	: "r" (&v->counter)
 	: "cc");
 }
 
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h
index 76e2f08..c341063 100644
--- a/include/asm-powerpc/bitops.h
+++ b/include/asm-powerpc/bitops.h
@@ -65,8 +65,8 @@
 	PPC405_ERR77(0,%3)
 	PPC_STLCX "%0,0,%3\n"
 	"bne-	1b"
-	: "=&r"(old), "=m"(*p)
-	: "r"(mask), "r"(p), "m"(*p)
+	: "=&r" (old), "+m" (*p)
+	: "r" (mask), "r" (p)
 	: "cc" );
 }
 
@@ -82,8 +82,8 @@
 	PPC405_ERR77(0,%3)
 	PPC_STLCX "%0,0,%3\n"
 	"bne-	1b"
-	: "=&r"(old), "=m"(*p)
-	: "r"(mask), "r"(p), "m"(*p)
+	: "=&r" (old), "+m" (*p)
+	: "r" (mask), "r" (p)
 	: "cc" );
 }
 
@@ -99,8 +99,8 @@
 	PPC405_ERR77(0,%3)
 	PPC_STLCX "%0,0,%3\n"
 	"bne-	1b"
-	: "=&r"(old), "=m"(*p)
-	: "r"(mask), "r"(p), "m"(*p)
+	: "=&r" (old), "+m" (*p)
+	: "r" (mask), "r" (p)
 	: "cc" );
 }
 
@@ -179,8 +179,8 @@
 	"or	%0,%0,%2\n"
 	PPC_STLCX "%0,0,%3\n"
 	"bne-	1b"
-	: "=&r" (old), "=m" (*addr)
-	: "r" (mask), "r" (addr), "m" (*addr)
+	: "=&r" (old), "+m" (*addr)
+	: "r" (mask), "r" (addr)
 	: "cc");
 }
 
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index d075725..c656951 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -220,8 +220,8 @@
 "	stwcx.	%3,0,%2 \n\
 	bne-	1b"
 	ISYNC_ON_SMP
-	: "=&r" (prev), "=m" (*(volatile unsigned int *)p)
-	: "r" (p), "r" (val), "m" (*(volatile unsigned int *)p)
+	: "=&r" (prev), "+m" (*(volatile unsigned int *)p)
+	: "r" (p), "r" (val)
 	: "cc", "memory");
 
 	return prev;
@@ -240,8 +240,8 @@
 "	stdcx.	%3,0,%2 \n\
 	bne-	1b"
 	ISYNC_ON_SMP
-	: "=&r" (prev), "=m" (*(volatile unsigned long *)p)
-	: "r" (p), "r" (val), "m" (*(volatile unsigned long *)p)
+	: "=&r" (prev), "+m" (*(volatile unsigned long *)p)
+	: "r" (p), "r" (val)
 	: "cc", "memory");
 
 	return prev;
@@ -299,8 +299,8 @@
 	ISYNC_ON_SMP
 	"\n\
 2:"
-	: "=&r" (prev), "=m" (*p)
-	: "r" (p), "r" (old), "r" (new), "m" (*p)
+	: "=&r" (prev), "+m" (*p)
+	: "r" (p), "r" (old), "r" (new)
 	: "cc", "memory");
 
 	return prev;
@@ -322,8 +322,8 @@
 	ISYNC_ON_SMP
 	"\n\
 2:"
-	: "=&r" (prev), "=m" (*p)
-	: "r" (p), "r" (old), "r" (new), "m" (*p)
+	: "=&r" (prev), "+m" (*p)
+	: "r" (p), "r" (old), "r" (new)
 	: "cc", "memory");
 
 	return prev;
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index a7e8cef..7520cc1 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -11,7 +11,7 @@
 	BLK_TC_READ	= 1 << 0,	/* reads */
 	BLK_TC_WRITE	= 1 << 1,	/* writes */
 	BLK_TC_BARRIER	= 1 << 2,	/* barrier */
-	BLK_TC_SYNC	= 1 << 3,	/* barrier */
+	BLK_TC_SYNC	= 1 << 3,	/* sync IO */
 	BLK_TC_QUEUE	= 1 << 4,	/* queueing/merging */
 	BLK_TC_REQUEUE	= 1 << 5,	/* requeueing */
 	BLK_TC_ISSUE	= 1 << 6,	/* issue */
@@ -19,6 +19,7 @@
 	BLK_TC_FS	= 1 << 8,	/* fs requests */
 	BLK_TC_PC	= 1 << 9,	/* pc requests */
 	BLK_TC_NOTIFY	= 1 << 10,	/* special message */
+	BLK_TC_AHEAD	= 1 << 11,	/* readahead */
 
 	BLK_TC_END	= 1 << 15,	/* only 16-bits, reminder */
 };
@@ -147,7 +148,7 @@
 				    u32 what)
 {
 	struct blk_trace *bt = q->blk_trace;
-	int rw = rq->flags & 0x07;
+	int rw = rq->flags & 0x03;
 
 	if (likely(!bt))
 		return;