Re: Linux 3.2.32

[Ben Hutchings]

diff --git a/Documentation/virtual/lguest/lguest.c b/Documentation/virtual/lguest/lguest.c
index c095d79..288dba6 100644
--- a/Documentation/virtual/lguest/lguest.c
+++ b/Documentation/virtual/lguest/lguest.c
@@ -1299,6 +1299,7 @@ static struct device *new_device(const char *name, u16 type)
 	dev->feature_len = 0;
 	dev->num_vq = 0;
 	dev->running = false;
+	dev->next = NULL;
 
 	/*
 	 * Append to device list.  Prepending to a single-linked list is
diff --git a/Makefile b/Makefile
index fd9c414..b6d8282 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 2
-SUBLEVEL = 31
+SUBLEVEL = 32
 EXTRAVERSION =
 NAME = Saber-toothed Squirrel
 
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index a6cbb71..04e703a 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -82,22 +82,29 @@ static void notrace omap_update_sched_clock(void)
  * nsecs and adds to a monotonically increasing timespec.
  */
 static struct timespec persistent_ts;
-static cycles_t cycles, last_cycles;
+static cycles_t cycles;
 static unsigned int persistent_mult, persistent_shift;
+static DEFINE_SPINLOCK(read_persistent_clock_lock);
+
 void read_persistent_clock(struct timespec *ts)
 {
 	unsigned long long nsecs;
-	cycles_t delta;
-	struct timespec *tsp = &persistent_ts;
+	cycles_t last_cycles;
+	unsigned long flags;
+
+	spin_lock_irqsave(&read_persistent_clock_lock, flags);
 
 	last_cycles = cycles;
 	cycles = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
-	delta = cycles - last_cycles;
 
-	nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift);
+	nsecs = clocksource_cyc2ns(cycles - last_cycles,
+					persistent_mult, persistent_shift);
+
+	timespec_add_ns(&persistent_ts, nsecs);
+
+	*ts = persistent_ts;
 
-	timespec_add_ns(tsp, nsecs);
-	*ts = *tsp;
+	spin_unlock_irqrestore(&read_persistent_clock_lock, flags);
 }
 
 int __init omap_init_clocksource_32k(void)
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 0be3186..aaf7444 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -224,7 +224,7 @@ KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
 LDFLAGS			+= -m $(ld-emul)
 
 ifdef CONFIG_MIPS
-CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
+CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
 	egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
 	sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/")
 ifdef CONFIG_64BIT
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 1a96618..ce7dd99 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -102,7 +102,7 @@ obj-$(CONFIG_MIPS_MACHINE)	+= mips_machine.o
 
 obj-$(CONFIG_OF)		+= prom.o
 
-CFLAGS_cpu-bugs64.o	= $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
+CFLAGS_cpu-bugs64.o	= $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
 
 obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT)	+= 8250-platform.o
 
diff --git a/arch/mn10300/Makefile b/arch/mn10300/Makefile
index 7120282..3eb4a52 100644
--- a/arch/mn10300/Makefile
+++ b/arch/mn10300/Makefile
@@ -26,7 +26,7 @@ CHECKFLAGS	+=
 PROCESSOR	:= unset
 UNIT		:= unset
 
-KBUILD_CFLAGS	+= -mam33 -mmem-funcs -DCPU=AM33
+KBUILD_CFLAGS	+= -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,)
 KBUILD_AFLAGS	+= -mam33 -DCPU=AM33
 
 ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 1b6cb10..a0a4e8a 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -25,6 +25,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/module.h>
 #include <linux/pci.h>
 #include <asm/eeh.h>
 #include <asm/eeh_event.h>
@@ -41,6 +42,41 @@ static inline const char * pcid_name (struct pci_dev *pdev)
 	return "";
 }
 
+/**
+ * eeh_pcid_get - Get the PCI device driver
+ * @pdev: PCI device
+ *
+ * The function is used to retrieve the PCI device driver for
+ * the indicated PCI device. Besides, we will increase the reference
+ * of the PCI device driver to prevent that being unloaded on
+ * the fly. Otherwise, kernel crash would be seen.
+ */
+static inline struct pci_driver *eeh_pcid_get(struct pci_dev *pdev)
+{
+	if (!pdev || !pdev->driver)
+		return NULL;
+
+	if (!try_module_get(pdev->driver->driver.owner))
+		return NULL;
+
+	return pdev->driver;
+}
+
+/**
+ * eeh_pcid_put - Dereference on the PCI device driver
+ * @pdev: PCI device
+ *
+ * The function is called to do dereference on the PCI device
+ * driver of the indicated PCI device.
+ */
+static inline void eeh_pcid_put(struct pci_dev *pdev)
+{
+	if (!pdev || !pdev->driver)
+		return;
+
+	module_put(pdev->driver->driver.owner);
+}
+
 #if 0
 static void print_device_node_tree(struct pci_dn *pdn, int dent)
 {
@@ -109,18 +145,20 @@ static void eeh_enable_irq(struct pci_dev *dev)
 static int eeh_report_error(struct pci_dev *dev, void *userdata)
 {
 	enum pci_ers_result rc, *res = userdata;
-	struct pci_driver *driver = dev->driver;
+	struct pci_driver *driver;
 
 	dev->error_state = pci_channel_io_frozen;
 
-	if (!driver)
-		return 0;
+	driver = eeh_pcid_get(dev);
+	if (!driver) return 0;
 
 	eeh_disable_irq(dev);
 
 	if (!driver->err_handler ||
-	    !driver->err_handler->error_detected)
+	    !driver->err_handler->error_detected) {
+		eeh_pcid_put(dev);
 		return 0;
+	}
 
 	rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen);
 
@@ -128,6 +166,7 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata)
 	if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 	if (*res == PCI_ERS_RESULT_NONE) *res = rc;
 
+	eeh_pcid_put(dev);
 	return 0;
 }
 
@@ -142,12 +181,15 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata)
 static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
 {
 	enum pci_ers_result rc, *res = userdata;
-	struct pci_driver *driver = dev->driver;
+	struct pci_driver *driver;
 
-	if (!driver ||
-	    !driver->err_handler ||
-	    !driver->err_handler->mmio_enabled)
+	driver = eeh_pcid_get(dev);
+	if (!driver) return 0;
+	if (!driver->err_handler ||
+	    !driver->err_handler->mmio_enabled) {
+		eeh_pcid_put(dev);
 		return 0;
+	}
 
 	rc = driver->err_handler->mmio_enabled (dev);
 
@@ -155,6 +197,7 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
 	if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 	if (*res == PCI_ERS_RESULT_NONE) *res = rc;
 
+	eeh_pcid_put(dev);
 	return 0;
 }
 
@@ -165,18 +208,20 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
 static int eeh_report_reset(struct pci_dev *dev, void *userdata)
 {
 	enum pci_ers_result rc, *res = userdata;
-	struct pci_driver *driver = dev->driver;
-
-	if (!driver)
-		return 0;
+	struct pci_driver *driver;
 
 	dev->error_state = pci_channel_io_normal;
 
+	driver = eeh_pcid_get(dev);
+	if (!driver) return 0;
+
 	eeh_enable_irq(dev);
 
 	if (!driver->err_handler ||
-	    !driver->err_handler->slot_reset)
+	    !driver->err_handler->slot_reset) {
+		eeh_pcid_put(dev);
 		return 0;
+	}
 
 	rc = driver->err_handler->slot_reset(dev);
 	if ((*res == PCI_ERS_RESULT_NONE) ||
@@ -184,6 +229,7 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata)
 	if (*res == PCI_ERS_RESULT_DISCONNECT &&
 	     rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 
+	eeh_pcid_put(dev);
 	return 0;
 }
 
@@ -193,21 +239,24 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata)
 
 static int eeh_report_resume(struct pci_dev *dev, void *userdata)
 {
-	struct pci_driver *driver = dev->driver;
+	struct pci_driver *driver;
 
 	dev->error_state = pci_channel_io_normal;
 
-	if (!driver)
-		return 0;
+	driver = eeh_pcid_get(dev);
+	if (!driver) return 0;
 
 	eeh_enable_irq(dev);
 
 	if (!driver->err_handler ||
-	    !driver->err_handler->resume)
+	    !driver->err_handler->resume) {
+		eeh_pcid_put(dev);
 		return 0;
+	}
 
 	driver->err_handler->resume(dev);
 
+	eeh_pcid_put(dev);
 	return 0;
 }
 
@@ -220,21 +269,24 @@ static int eeh_report_resume(struct pci_dev *dev, void *userdata)
 
 static int eeh_report_failure(struct pci_dev *dev, void *userdata)
 {
-	struct pci_driver *driver = dev->driver;
+	struct pci_driver *driver;
 
 	dev->error_state = pci_channel_io_perm_failure;
 
-	if (!driver)
-		return 0;
+	driver = eeh_pcid_get(dev);
+	if (!driver) return 0;
 
 	eeh_disable_irq(dev);
 
 	if (!driver->err_handler ||
-	    !driver->err_handler->error_detected)
+	    !driver->err_handler->error_detected) {
+		eeh_pcid_put(dev);
 		return 0;
+	}
 
 	driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
 
+	eeh_pcid_put(dev);
 	return 0;
 }
 
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 18601c8..884507e 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -146,8 +146,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
 
 static inline int pmd_large(pmd_t pte)
 {
-	return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) ==
-		(_PAGE_PSE | _PAGE_PRESENT);
+	return pmd_flags(pte) & _PAGE_PSE;
 }
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -415,7 +414,13 @@ static inline int pte_hidden(pte_t pte)
 
 static inline int pmd_present(pmd_t pmd)
 {
-	return pmd_flags(pmd) & _PAGE_PRESENT;
+	/*
+	 * Checking for _PAGE_PSE is needed too because
+	 * split_huge_page will temporarily clear the present bit (but
+	 * the _PAGE_PSE flag will remain set at all times while the
+	 * _PAGE_PRESENT bit is clear).
+	 */
+	return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE);
 }
 
 static inline int pmd_none(pmd_t pmd)
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 37718f0..4d320b2 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -731,6 +731,7 @@ void __init efi_enter_virtual_mode(void)
 	 *
 	 * Call EFI services through wrapper functions.
 	 */
+	efi.runtime_version = efi_systab.fw_revision;
 	efi.get_time = virt_efi_get_time;
 	efi.set_time = virt_efi_set_time;
 	efi.get_wakeup_time = virt_efi_get_wakeup_time;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9ecec98..5016de5 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -950,8 +950,6 @@ static int __init acpi_bus_init(void)
 	status = acpi_ec_ecdt_probe();
 	/* Ignore result. Not having an ECDT is not fatal. */
 
-	acpi_bus_osc_support();
-
 	status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n");
@@ -959,6 +957,12 @@ static int __init acpi_bus_init(void)
 	}
 
 	/*
+	 * _OSC method may exist in module level code,
+	 * so it must be run after ACPI_FULL_INITIALIZATION
+	 */
+	acpi_bus_osc_support();
+
+	/*
 	 * _PDC control method may load dynamic SSDT tables,
 	 * and we need to install the table handler before that.
 	 */
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 6f95d98..1f90dab 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -108,7 +108,7 @@ static struct usb_device_id btusb_table[] = {
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	/* Foxconn - Hon Hai */
-	{ USB_DEVICE(0x0489, 0xe033) },
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
 
 	/*Broadcom devices with vendor specific id */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index eedd547..5936691 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -67,7 +67,7 @@ static int tpk_printk(const unsigned char *buf, int count)
 				tmp[tpk_curr + 1] = '\0';
 				printk(KERN_INFO "%s%s", tpk_tag, tmp);
 				tpk_curr = 0;
-				if (buf[i + 1] == '\n')
+				if ((i + 1) < count && buf[i + 1] == '\n')
 					i++;
 				break;
 			case '\n':
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index b48967b..5991114 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -564,8 +564,8 @@ void dmaengine_get(void)
 				list_del_rcu(&device->global_node);
 				break;
 			} else if (err)
-				pr_err("dmaengine: failed to get %s: (%d)\n",
-				       dma_chan_name(chan), err);
+				pr_debug("%s: failed to get %s: (%d)\n",
+				       __func__, dma_chan_name(chan), err);
 		}
 	}
 
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 4799393..b97d4f0 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -471,8 +471,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
 	client->bus_reset_closure = a->bus_reset_closure;
 	if (a->bus_reset != 0) {
 		fill_bus_reset_event(&bus_reset, client);
-		ret = copy_to_user(u64_to_uptr(a->bus_reset),
-				   &bus_reset, sizeof(bus_reset));
+		/* unaligned size of bus_reset is 36 bytes */
+		ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36);
 	}
 	if (ret == 0 && list_empty(&client->link))
 		list_add_tail(&client->link, &client->device->client_list);
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 0535c21..3e60e8d 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -435,12 +435,23 @@ efivar_attr_read(struct efivar_entry *entry, char *buf)
 	if (status != EFI_SUCCESS)
 		return -EIO;
 
-	if (var->Attributes & 0x1)
+	if (var->Attributes & EFI_VARIABLE_NON_VOLATILE)
 		str += sprintf(str, "EFI_VARIABLE_NON_VOLATILE\n");
-	if (var->Attributes & 0x2)
+	if (var->Attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS)
 		str += sprintf(str, "EFI_VARIABLE_BOOTSERVICE_ACCESS\n");
-	if (var->Attributes & 0x4)
+	if (var->Attributes & EFI_VARIABLE_RUNTIME_ACCESS)
 		str += sprintf(str, "EFI_VARIABLE_RUNTIME_ACCESS\n");
+	if (var->Attributes & EFI_VARIABLE_HARDWARE_ERROR_RECORD)
+		str += sprintf(str, "EFI_VARIABLE_HARDWARE_ERROR_RECORD\n");
+	if (var->Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
+		str += sprintf(str,
+			"EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS\n");
+	if (var->Attributes &
+			EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)
+		str += sprintf(str,
+			"EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\n");
+	if (var->Attributes & EFI_VARIABLE_APPEND_WRITE)
+		str += sprintf(str, "EFI_VARIABLE_APPEND_WRITE\n");
 	return str - buf;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e48e01e..33e1555 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1543,16 +1543,19 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
 	list_move_tail(&obj->ring_list, &ring->active_list);
 
 	obj->last_rendering_seqno = seqno;
-	if (obj->fenced_gpu_access) {
-		struct drm_i915_fence_reg *reg;
-
-		BUG_ON(obj->fence_reg == I915_FENCE_REG_NONE);
 
+	if (obj->fenced_gpu_access) {
 		obj->last_fenced_seqno = seqno;
 		obj->last_fenced_ring = ring;
 
-		reg = &dev_priv->fence_regs[obj->fence_reg];
-		list_move_tail(&reg->lru_list, &dev_priv->mm.fence_list);
+		/* Bump MRU to take account of the delayed flush */
+		if (obj->fence_reg != I915_FENCE_REG_NONE) {
+			struct drm_i915_fence_reg *reg;
+
+			reg = &dev_priv->fence_regs[obj->fence_reg];
+			list_move_tail(&reg->lru_list,
+				       &dev_priv->mm.fence_list);
+		}
 	}
 }
 
@@ -1561,6 +1564,7 @@ i915_gem_object_move_off_active(struct drm_i915_gem_object *obj)
 {
 	list_del_init(&obj->ring_list);
 	obj->last_rendering_seqno = 0;
+	obj->last_fenced_seqno = 0;
 }
 
 static void
@@ -1589,6 +1593,7 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
 	BUG_ON(!list_empty(&obj->gpu_write_list));
 	BUG_ON(!obj->active);
 	obj->ring = NULL;
+	obj->last_fenced_ring = NULL;
 
 	i915_gem_object_move_off_active(obj);
 	obj->fenced_gpu_access = false;
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index a6c2f7a..1202198 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -574,7 +574,8 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
 					if (ret)
 						break;
 				}
-				obj->pending_fenced_gpu_access = need_fence;
+				obj->pending_fenced_gpu_access =
+					!!(entry->flags & EXEC_OBJECT_NEEDS_FENCE);
 			}
 
 			entry->offset = obj->gtt_offset;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 31d334d..861223b 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -107,10 +107,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 		 */
 		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
 		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
-	} else if (IS_MOBILE(dev)) {
+	} else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) {
 		uint32_t dcc;
 
-		/* On mobile 9xx chipsets, channel interleave by the CPU is
+		/* On 9xx chipsets, channel interleave by the CPU is
 		 * determined by DCC.  For single-channel, neither the CPU
 		 * nor the GPU do swizzling.  For dual channel interleaved,
 		 * the GPU's interleave is bit 9 and 10 for X tiled, and bit
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c8b5bc1..2812d7b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -530,6 +530,12 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
 	if (de_iir & DE_GSE_IVB)
 		intel_opregion_gse_intr(dev);
 
+	if (de_iir & DE_PIPEA_VBLANK_IVB)
+		drm_handle_vblank(dev, 0);
+
+	if (de_iir & DE_PIPEB_VBLANK_IVB)
+		drm_handle_vblank(dev, 1);
+
 	if (de_iir & DE_PLANEA_FLIP_DONE_IVB) {
 		intel_prepare_page_flip(dev, 0);
 		intel_finish_page_flip_plane(dev, 0);
@@ -540,12 +546,6 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS)
 		intel_finish_page_flip_plane(dev, 1);
 	}
 
-	if (de_iir & DE_PIPEA_VBLANK_IVB)
-		drm_handle_vblank(dev, 0);
-
-	if (de_iir & DE_PIPEB_VBLANK_IVB)
-		drm_handle_vblank(dev, 1);
-
 	/* check event from PCH */
 	if (de_iir & DE_PCH_EVENT_IVB) {
 		if (pch_iir & SDE_HOTPLUG_MASK_CPT)
@@ -622,6 +622,12 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
 	if (de_iir & DE_GSE)
 		intel_opregion_gse_intr(dev);
 
+	if (de_iir & DE_PIPEA_VBLANK)
+		drm_handle_vblank(dev, 0);
+
+	if (de_iir & DE_PIPEB_VBLANK)
+		drm_handle_vblank(dev, 1);
+
 	if (de_iir & DE_PLANEA_FLIP_DONE) {
 		intel_prepare_page_flip(dev, 0);
 		intel_finish_page_flip_plane(dev, 0);
@@ -632,12 +638,6 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS)
 		intel_finish_page_flip_plane(dev, 1);
 	}
 
-	if (de_iir & DE_PIPEA_VBLANK)
-		drm_handle_vblank(dev, 0);
-
-	if (de_iir & DE_PIPEB_VBLANK)
-		drm_handle_vblank(dev, 1);
-
 	/* check event from PCH */
 	if (de_iir & DE_PCH_EVENT) {
 		if (pch_iir & hotplug_mask)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 4a5e662..a294a32 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -401,6 +401,9 @@
 # define VS_TIMER_DISPATCH				(1 << 6)
 # define MI_FLUSH_ENABLE				(1 << 11)
 
+#define GEN6_GT_MODE	0x20d0
+#define   GEN6_GT_MODE_HI	(1 << 9)
+
 #define GFX_MODE	0x02520
 #define GFX_MODE_GEN7	0x0229c
 #define   GFX_RUN_LIST_ENABLE		(1<<15)
@@ -1557,6 +1560,10 @@
 
 /* Video Data Island Packet control */
 #define VIDEO_DIP_DATA		0x61178
+/* Read the description of VIDEO_DIP_DATA (before Haswel) or VIDEO_DIP_ECC
+ * (Haswell and newer) to see which VIDEO_DIP_DATA byte corresponds to each byte
+ * of the infoframe structure specified by CEA-861. */
+#define   VIDEO_DIP_DATA_SIZE	32
 #define VIDEO_DIP_CTL		0x61170
 #define   VIDEO_DIP_ENABLE		(1 << 31)
 #define   VIDEO_DIP_PORT_B		(1 << 29)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6c3fb44..adac0dd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2850,13 +2850,34 @@ static void intel_clear_scanline_wait(struct drm_device *dev)
 		I915_WRITE_CTL(ring, tmp);
 }
 
+static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	unsigned long flags;
+	bool pending;
+
+	if (atomic_read(&dev_priv->mm.wedged))
+		return false;
+
+	spin_lock_irqsave(&dev->event_lock, flags);
+	pending = to_intel_crtc(crtc)->unpin_work != NULL;
+	spin_unlock_irqrestore(&dev->event_lock, flags);
+
+	return pending;
+}
+
 static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	if (crtc->fb == NULL)
 		return;
 
+	wait_event(dev_priv->pending_flip_queue,
+		   !intel_crtc_has_pending_flip(crtc));
+
 	mutex_lock(&dev->struct_mutex);
 	intel_finish_fb(crtc->fb);
 	mutex_unlock(&dev->struct_mutex);
@@ -5027,7 +5048,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 	/* default to 8bpc */
 	pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
 	if (is_dp) {
-		if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+		if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
 			pipeconf |= PIPECONF_BPP_6 |
 				    PIPECONF_DITHER_EN |
 				    PIPECONF_DITHER_TYPE_SP;
@@ -5495,7 +5516,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 	/* determine panel color depth */
 	temp = I915_READ(PIPECONF(pipe));
 	temp &= ~PIPE_BPC_MASK;
-	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode);
+	dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, adjusted_mode);
 	switch (pipe_bpp) {
 	case 18:
 		temp |= PIPE_6BPC;
@@ -6952,9 +6973,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
 
 	atomic_clear_mask(1 << intel_crtc->plane,
 			  &obj->pending_flip.counter);
-	if (atomic_read(&obj->pending_flip) == 0)
-		wake_up(&dev_priv->pending_flip_queue);
 
+	wake_up(&dev_priv->pending_flip_queue);
 	schedule_work(&work->work);
 
 	trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj);
@@ -7193,7 +7213,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
 	default:
 		WARN_ONCE(1, "unknown plane in flip command\n");
 		ret = -ENODEV;
-		goto err;
+		goto err_unpin;
 	}
 
 	ret = intel_ring_begin(ring, 4);
@@ -8278,6 +8298,11 @@ static void gen6_init_clock_gating(struct drm_device *dev)
 			   DISPPLANE_TRICKLE_FEED_DISABLE);
 		intel_flush_display_plane(dev_priv, pipe);
 	}
+
+	/* The default value should be 0x200 according to docs, but the two
+	 * platforms I checked have a 0 for this. (Maybe BIOS overrides?) */
+	I915_WRITE(GEN6_GT_MODE, 0xffff << 16);
+	I915_WRITE(GEN6_GT_MODE, GEN6_GT_MODE_HI << 16 | GEN6_GT_MODE_HI);
 }
 
 static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index c2a64f4..497da2a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -138,14 +138,20 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder,
 
 	I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
 
+	mmiowb();
 	for (i = 0; i < len; i += 4) {
 		I915_WRITE(VIDEO_DIP_DATA, *data);
 		data++;
 	}
+	/* Write every possible data byte to force correct ECC calculation. */
+	for (; i < VIDEO_DIP_DATA_SIZE; i += 4)
+		I915_WRITE(VIDEO_DIP_DATA, 0);
+	mmiowb();
 
 	flags |= intel_infoframe_flags(frame);
 
 	I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags);
+	POSTING_READ(VIDEO_DIP_CTL);
 }
 
 static void ironlake_write_infoframe(struct drm_encoder *encoder,
@@ -168,14 +174,20 @@ static void ironlake_write_infoframe(struct drm_encoder *encoder,
 
 	I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
 
+	mmiowb();
 	for (i = 0; i < len; i += 4) {
 		I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data);
 		data++;
 	}
+	/* Write every possible data byte to force correct ECC calculation. */
+	for (; i < VIDEO_DIP_DATA_SIZE; i += 4)
+		I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0);
+	mmiowb();
 
 	flags |= intel_infoframe_flags(frame);
 
 	I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags);
+	POSTING_READ(reg);
 }
 static void intel_set_infoframe(struct drm_encoder *encoder,
 				struct dip_infoframe *frame)
@@ -546,10 +558,13 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 	if (!HAS_PCH_SPLIT(dev)) {
 		intel_hdmi->write_infoframe = i9xx_write_infoframe;
 		I915_WRITE(VIDEO_DIP_CTL, 0);
+		POSTING_READ(VIDEO_DIP_CTL);
 	} else {
 		intel_hdmi->write_infoframe = ironlake_write_infoframe;
-		for_each_pipe(i)
+		for_each_pipe(i) {
 			I915_WRITE(TVIDEO_DIP_CTL(i), 0);
+			POSTING_READ(TVIDEO_DIP_CTL(i));
+		}
 	}
 
 	drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index fc0633c..b61f490 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -37,6 +37,16 @@
 #define EVERGREEN_PFP_UCODE_SIZE 1120
 #define EVERGREEN_PM4_UCODE_SIZE 1376
 
+static const u32 crtc_offsets[6] =
+{
+	EVERGREEN_CRTC0_REGISTER_OFFSET,
+	EVERGREEN_CRTC1_REGISTER_OFFSET,
+	EVERGREEN_CRTC2_REGISTER_OFFSET,
+	EVERGREEN_CRTC3_REGISTER_OFFSET,
+	EVERGREEN_CRTC4_REGISTER_OFFSET,
+	EVERGREEN_CRTC5_REGISTER_OFFSET
+};
+
 static void evergreen_gpu_init(struct radeon_device *rdev);
 void evergreen_fini(struct radeon_device *rdev);
 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
@@ -66,6 +76,27 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
 	}
 }
 
+void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
+{
+	int i;
+
+	if (crtc >= rdev->num_crtc)
+		return;
+
+	if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) {
+		for (i = 0; i < rdev->usec_timeout; i++) {
+			if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK))
+				break;
+			udelay(1);
+		}
+		for (i = 0; i < rdev->usec_timeout; i++) {
+			if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
+				break;
+			udelay(1);
+		}
+	}
+}
+
 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
 {
 	/* enable the pflip int */
@@ -1065,116 +1096,88 @@ void evergreen_agp_enable(struct radeon_device *rdev)
 
 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 {
+	u32 crtc_enabled, tmp, frame_count, blackout;
+	int i, j;
+
 	save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 	save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 
-	/* Stop all video */
+	/* disable VGA render */
 	WREG32(VGA_RENDER_CONTROL, 0);
-	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
-	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
-	if (rdev->num_crtc >= 4) {
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
-	}
-	if (rdev->num_crtc >= 6) {
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
-	}
-	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
-	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
-	if (rdev->num_crtc >= 4) {
-		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
-		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
-	}
-	if (rdev->num_crtc >= 6) {
-		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
-		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
-	}
-	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
-	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
-	if (rdev->num_crtc >= 4) {
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
-	}
-	if (rdev->num_crtc >= 6) {
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
-		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+	/* blank the display controllers */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
+		if (crtc_enabled) {
+			save->crtc_enabled[i] = true;
+			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+			if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
+				dce4_wait_for_vblank(rdev, i);
+				tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+			}
+			/* wait for the next frame */
+			frame_count = radeon_get_vblank_counter(rdev, i);
+			for (j = 0; j < rdev->usec_timeout; j++) {
+				if (radeon_get_vblank_counter(rdev, i) != frame_count)
+					break;
+				udelay(1);
+			}
+		}
 	}
 
-	WREG32(D1VGA_CONTROL, 0);
-	WREG32(D2VGA_CONTROL, 0);
-	if (rdev->num_crtc >= 4) {
-		WREG32(EVERGREEN_D3VGA_CONTROL, 0);
-		WREG32(EVERGREEN_D4VGA_CONTROL, 0);
-	}
-	if (rdev->num_crtc >= 6) {
-		WREG32(EVERGREEN_D5VGA_CONTROL, 0);
-		WREG32(EVERGREEN_D6VGA_CONTROL, 0);
+	evergreen_mc_wait_for_idle(rdev);
+
+	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
+	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
+		/* Block CPU access */
+		WREG32(BIF_FB_EN, 0);
+		/* blackout the MC */
+		blackout &= ~BLACKOUT_MODE_MASK;
+		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
 	}
 }
 
 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 {
-	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
-	       upper_32_bits(rdev->mc.vram_start));
-	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
-	       upper_32_bits(rdev->mc.vram_start));
-	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
-	       (u32)rdev->mc.vram_start);
-	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
-	       (u32)rdev->mc.vram_start);
-
-	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
-	       upper_32_bits(rdev->mc.vram_start));
-	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
-	       upper_32_bits(rdev->mc.vram_start));
-	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
-	       (u32)rdev->mc.vram_start);
-	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
-	       (u32)rdev->mc.vram_start);
-
-	if (rdev->num_crtc >= 4) {
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
-
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
-	}
-	if (rdev->num_crtc >= 6) {
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
-		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
-		       (u32)rdev->mc.vram_start);
+	u32 tmp, frame_count;
+	int i, j;
 
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+	/* update crtc base addresses */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
 		       upper_32_bits(rdev->mc.vram_start));
-		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
 		       (u32)rdev->mc.vram_start);
-		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
 		       (u32)rdev->mc.vram_start);
 	}
-
 	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
-	/* Unlock host access */
+
+	/* unblackout the MC */
+	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
+	tmp &= ~BLACKOUT_MODE_MASK;
+	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
+	/* allow CPU access */
+	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
+
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (save->crtc_enabled) {
+			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+			/* wait for the next frame */
+			frame_count = radeon_get_vblank_counter(rdev, i);
+			for (j = 0; j < rdev->usec_timeout; j++) {
+				if (radeon_get_vblank_counter(rdev, i) != frame_count)
+					break;
+				udelay(1);
+			}
+		}
+	}
+	/* Unlock vga access */
 	WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 	mdelay(1);
 	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 7d7f215..e022776 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -210,7 +210,10 @@
 #define EVERGREEN_CRTC_CONTROL                          0x6e70
 #       define EVERGREEN_CRTC_MASTER_EN                 (1 << 0)
 #       define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
+#define EVERGREEN_CRTC_BLANK_CONTROL                    0x6e74
+#       define EVERGREEN_CRTC_BLANK_DATA_EN             (1 << 8)
 #define EVERGREEN_CRTC_STATUS                           0x6e8c
+#       define EVERGREEN_CRTC_V_BLANK                   (1 << 0)
 #define EVERGREEN_CRTC_STATUS_POSITION                  0x6e90
 #define EVERGREEN_MASTER_UPDATE_MODE                    0x6ef8
 #define EVERGREEN_CRTC_UPDATE_LOCK                      0x6ed4
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 6ecd23f..fe44a95 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -77,6 +77,10 @@
 
 #define	CONFIG_MEMSIZE					0x5428
 
+#define	BIF_FB_EN						0x5490
+#define		FB_READ_EN					(1 << 0)
+#define		FB_WRITE_EN					(1 << 1)
+
 #define CP_ME_CNTL					0x86D8
 #define		CP_ME_HALT					(1 << 28)
 #define		CP_PFP_HALT					(1 << 26)
@@ -194,6 +198,9 @@
 #define		NOOFCHAN_MASK					0x00003000
 #define MC_SHARED_CHREMAP					0x2008
 
+#define MC_SHARED_BLACKOUT_CNTL           		0x20ac
+#define		BLACKOUT_MODE_MASK			0x00000007
+
 #define	MC_ARB_RAMCFG					0x2760
 #define		NOOFBANK_SHIFT					0
 #define		NOOFBANK_MASK					0x00000003
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 5ce9402..5aa6670 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -386,6 +386,7 @@ void r700_cp_fini(struct radeon_device *rdev);
 struct evergreen_mc_save {
 	u32 vga_render_control;
 	u32 vga_hdp_control;
+	bool crtc_enabled[RADEON_MAX_CRTCS];
 };
 
 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index baa019e..4f9496e 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -143,6 +143,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
 	    (rdev->pdev->subsystem_device == 0x01fd))
 		return true;
 
+	/* Gateway RS690 only seems to work with MSIs. */
+	if ((rdev->pdev->device == 0x791f) &&
+	    (rdev->pdev->subsystem_vendor == 0x107b) &&
+	    (rdev->pdev->subsystem_device == 0x0185))
+		return true;
+
+	/* try and enable MSIs by default on all RS690s */
+	if (rdev->family == CHIP_RS690)
+		return true;
+
 	/* RV515 seems to have MSI issues where it loses
 	 * MSI rearms occasionally. This leads to lockups and freezes.
 	 * disable it by default.
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 78a665b..ebd6c51 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -553,7 +553,9 @@ void radeon_pm_suspend(struct radeon_device *rdev)
 void radeon_pm_resume(struct radeon_device *rdev)
 {
 	/* set up the default clocks if the MC ucode is loaded */
-	if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
+	if ((rdev->family >= CHIP_BARTS) &&
+	    (rdev->family <= CHIP_CAYMAN) &&
+	    rdev->mc_fw) {
 		if (rdev->pm.default_vddc)
 			radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
 						SET_VOLTAGE_TYPE_ASIC_VDDC);
@@ -608,7 +610,9 @@ int radeon_pm_init(struct radeon_device *rdev)
 		radeon_pm_print_states(rdev);
 		radeon_pm_init_profile(rdev);
 		/* set up the default clocks if the MC ucode is loaded */
-		if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) {
+		if ((rdev->family >= CHIP_BARTS) &&
+		    (rdev->family <= CHIP_CAYMAN) &&
+		    rdev->mc_fw) {
 			if (rdev->pm.default_vddc)
 				radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
 							SET_VOLTAGE_TYPE_ASIC_VDDC);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index fe2fdbb..1740b82 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -148,7 +148,7 @@ static int ipoib_stop(struct net_device *dev)
 
 	netif_stop_queue(dev);
 
-	ipoib_ib_dev_down(dev, 0);
+	ipoib_ib_dev_down(dev, 1);
 	ipoib_ib_dev_stop(dev, 0);
 
 	if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index e5069b4..80799c0 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -190,7 +190,9 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 
 	mcast->mcmember = *mcmember;
 
-	/* Set the cached Q_Key before we attach if it's the broadcast group */
+	/* Set the multicast MTU and cached Q_Key before we attach if it's
+	 * the broadcast group.
+	 */
 	if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
 		    sizeof (union ib_gid))) {
 		spin_lock_irq(&priv->lock);
@@ -198,10 +200,17 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 			spin_unlock_irq(&priv->lock);
 			return -EAGAIN;
 		}
+		priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
 		priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
 		spin_unlock_irq(&priv->lock);
 		priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
 		set_qkey = 1;
+
+		if (!ipoib_cm_admin_enabled(dev)) {
+			rtnl_lock();
+			dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
+			rtnl_unlock();
+		}
 	}
 
 	if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
@@ -590,14 +599,6 @@ void ipoib_mcast_join_task(struct work_struct *work)
 		return;
 	}
 
-	priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
-
-	if (!ipoib_cm_admin_enabled(dev)) {
-		rtnl_lock();
-		dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
-		rtnl_unlock();
-	}
-
 	ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n");
 
 	clear_bit(IPOIB_MCAST_RUN, &priv->flags);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index c76b051..4ec049d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -620,9 +620,9 @@ static void srp_reset_req(struct srp_target_port *target, struct srp_request *re
 	struct scsi_cmnd *scmnd = srp_claim_req(target, req, NULL);
 
 	if (scmnd) {
+		srp_free_req(target, req, scmnd, 0);
 		scmnd->result = DID_RESET << 16;
 		scmnd->scsi_done(scmnd);
-		srp_free_req(target, req, scmnd, 0);
 	}
 }
 
@@ -1669,6 +1669,7 @@ static int srp_abort(struct scsi_cmnd *scmnd)
 			  SRP_TSK_ABORT_TASK);
 	srp_free_req(target, req, scmnd, 0);
 	scmnd->result = DID_ABORT << 16;
+	scmnd->scsi_done(scmnd);
 
 	return SUCCESS;
 }
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 96532bc..7be5fd9 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -53,14 +53,19 @@
 #define ABS_POS_BITS 13
 
 /*
- * Any position values from the hardware above the following limits are
- * treated as "wrapped around negative" values that have been truncated to
- * the 13-bit reporting range of the hardware. These are just reasonable
- * guesses and can be adjusted if hardware is found that operates outside
- * of these parameters.
+ * These values should represent the absolute maximum value that will
+ * be reported for a positive position value. Some Synaptics firmware
+ * uses this value to indicate a finger near the edge of the touchpad
+ * whose precise position cannot be determined.
+ *
+ * At least one touchpad is known to report positions in excess of this
+ * value which are actually negative values truncated to the 13-bit
+ * reporting range. These values have never been observed to be lower
+ * than 8184 (i.e. -8), so we treat all values greater than 8176 as
+ * negative and any other value as positive.
  */
-#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2)
-#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2)
+#define X_MAX_POSITIVE 8176
+#define Y_MAX_POSITIVE 8176
 
 /*
  * Synaptics touchpads report the y coordinate from bottom to top, which is
@@ -561,11 +566,21 @@ static int synaptics_parse_hw_state(const unsigned char buf[],
 		hw->right = (buf[0] & 0x02) ? 1 : 0;
 	}
 
-	/* Convert wrap-around values to negative */
+	/*
+	 * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE
+	 * is used by some firmware to indicate a finger at the edge of
+	 * the touchpad whose precise position cannot be determined, so
+	 * convert these values to the maximum axis value.
+	 */
 	if (hw->x > X_MAX_POSITIVE)
 		hw->x -= 1 << ABS_POS_BITS;
+	else if (hw->x == X_MAX_POSITIVE)
+		hw->x = XMAX;
+
 	if (hw->y > Y_MAX_POSITIVE)
 		hw->y -= 1 << ABS_POS_BITS;
+	else if (hw->y == Y_MAX_POSITIVE)
+		hw->y = YMAX;
 
 	return 0;
 }
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index ccf347f..b9062c0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -563,7 +563,9 @@ static void domain_update_iommu_coherency(struct dmar_domain *domain)
 {
 	int i;
 
-	domain->iommu_coherency = 1;
+	i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus);
+
+	domain->iommu_coherency = i < g_num_of_iommus ? 1 : 0;
 
 	for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) {
 		if (!ecap_coherent(g_iommus[i]->ecap)) {
diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 0e49c99..c06992e 100644
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -1473,6 +1473,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
 	rdev = rc_allocate_device();
 	if (!rdev)
 		goto failure;
+	itdev->rdev = rdev;
 
 	ret = -ENODEV;
 
@@ -1604,7 +1605,6 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
 	if (ret)
 		goto failure;
 
-	itdev->rdev = rdev;
 	ite_pr(KERN_NOTICE, "driver has been successfully loaded\n");
 
 	return 0;
diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c
index 1c44f78..6ddc769 100644
--- a/drivers/media/video/gspca/pac7302.c
+++ b/drivers/media/video/gspca/pac7302.c
@@ -1197,6 +1197,8 @@ static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP},
 	{USB_DEVICE(0x093a, 0x262a)},
 	{USB_DEVICE(0x093a, 0x262c)},
+	{USB_DEVICE(0x145f, 0x013c)},
+	{USB_DEVICE(0x1ae7, 0x2001)}, /* SpeedLink Snappy Mic SL-6825-SBK */
 	{}
 };
 MODULE_DEVICE_TABLE(usb, device_table);
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d5fe43d..bc27065 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2188,9 +2188,7 @@ static int omap_hsmmc_suspend(struct device *dev)
 		} else {
 			host->suspended = 0;
 			if (host->pdata->resume) {
-				ret = host->pdata->resume(&pdev->dev,
-							  host->slot_id);
-				if (ret)
+				if (host->pdata->resume(&pdev->dev, host->slot_id))
 					dev_dbg(mmc_dev(host->mmc),
 						"Unmask interrupt failed\n");
 			}
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 0d33ff0..06af9e4 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -601,7 +601,7 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 
 	sdhci_remove_host(host, 1);
 
-	for (ptr = 0; ptr < 3; ptr++) {
+	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
 		if (sc->clk_bus[ptr]) {
 			clk_disable(sc->clk_bus[ptr]);
 			clk_put(sc->clk_bus[ptr]);
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index d5505f3..559d30d 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1003,6 +1003,10 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id)
 		host->sd_error = true;
 		dev_dbg(&host->pd->dev, "int err state = %08x\n", state);
 	}
+	if (host->state == STATE_IDLE) {
+		dev_info(&host->pd->dev, "Spurious IRQ status 0x%x", state);
+		return IRQ_HANDLED;
+	}
 	if (state & ~(INT_CMD12RBE | INT_CMD12CRE))
 		complete(&host->intr_wait);
 	else
diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c
index e5bfd0e..0598d52 100644
--- a/drivers/mtd/maps/autcpu12-nvram.c
+++ b/drivers/mtd/maps/autcpu12-nvram.c
@@ -43,7 +43,8 @@ struct map_info autcpu12_sram_map = {
 
 static int __init init_autcpu12_sram (void)
 {
-	int err, save0, save1;
+	map_word tmp, save0, save1;
+	int err;
 
 	autcpu12_sram_map.virt = ioremap(0x12000000, SZ_128K);
 	if (!autcpu12_sram_map.virt) {
@@ -51,7 +52,7 @@ static int __init init_autcpu12_sram (void)
 		err = -EIO;
 		goto out;
 	}
-	simple_map_init(&autcpu_sram_map);
+	simple_map_init(&autcpu12_sram_map);
 
 	/*
 	 * Check for 32K/128K
@@ -61,20 +62,22 @@ static int __init init_autcpu12_sram (void)
 	 * Read	and check result on ofs 0x0
 	 * Restore contents
 	 */
-	save0 = map_read32(&autcpu12_sram_map,0);
-	save1 = map_read32(&autcpu12_sram_map,0x10000);
-	map_write32(&autcpu12_sram_map,~save0,0x10000);
+	save0 = map_read(&autcpu12_sram_map, 0);
+	save1 = map_read(&autcpu12_sram_map, 0x10000);
+	tmp.x[0] = ~save0.x[0];
+	map_write(&autcpu12_sram_map, tmp, 0x10000);
 	/* if we find this pattern on 0x0, we have 32K size
 	 * restore contents and exit
 	 */
-	if ( map_read32(&autcpu12_sram_map,0) != save0) {
-		map_write32(&autcpu12_sram_map,save0,0x0);
+	tmp = map_read(&autcpu12_sram_map, 0);
+	if (!map_word_equal(&autcpu12_sram_map, tmp, save0)) {
+		map_write(&autcpu12_sram_map, save0, 0x0);
 		goto map;
 	}
 	/* We have a 128K found, restore 0x10000 and set size
 	 * to 128K
 	 */
-	map_write32(&autcpu12_sram_map,save1,0x10000);
+	map_write(&autcpu12_sram_map, save1, 0x10000);
 	autcpu12_sram_map.size = SZ_128K;
 
 map:
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index a0bd2de..198da0a 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -748,6 +748,8 @@ static const char *default_mtd_part_types[] = {
  * partition parsers, specified in @types. However, if @types is %NULL, then
  * the default list of parsers is used. The default list contains only the
  * "cmdlinepart" and "ofpart" parsers ATM.
+ * Note: If there are more then one parser in @types, the kernel only takes the
+ * partitions parsed out by the first parser.
  *
  * This function may return:
  * o a negative error code in case of failure
@@ -772,11 +774,12 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types,
 		if (!parser)
 			continue;
 		ret = (*parser->parse_fn)(master, pparts, data);
+		put_partition_parser(parser);
 		if (ret > 0) {
 			printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
 			       ret, parser->name, master->name);
+			break;
 		}
-		put_partition_parser(parser);
 	}
 	return ret;
 }
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index f024375..532da04 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -390,7 +390,7 @@ static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf,
 	/* Read the mirror version, if available */
 	if (md && (md->options & NAND_BBT_VERSION)) {
 		scan_read_raw(mtd, buf, (loff_t)md->pages[0] << this->page_shift,
-			      mtd->writesize, td);
+			      mtd->writesize, md);
 		md->version[0] = buf[bbt_get_ver_offs(mtd, md)];
 		pr_info("Bad block table at page %d, version 0x%02X\n",
 			 md->pages[0], md->version[0]);
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 83e8e1b..ade0da0 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2355,6 +2355,7 @@ static int __init ns_init_module(void)
 		uint64_t new_size = (uint64_t)nsmtd->erasesize << overridesize;
 		if (new_size >> overridesize != nsmtd->erasesize) {
 			NS_ERR("overridesize is too big\n");
+			retval = -EINVAL;
 			goto err_exit;
 		}
 		/* N.B. This relies on nand_scan not doing anything with the size before we change it */
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index f745f00..297c965 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1132,7 +1132,8 @@ static int omap_nand_remove(struct platform_device *pdev)
 	/* Release NAND device, its internal structures and partitions */
 	nand_release(&info->mtd);
 	iounmap(info->nand.IO_ADDR_R);
-	kfree(&info->mtd);
+	release_mem_region(info->phys_base, NAND_IO_SIZE);
+	kfree(info);
 	return 0;
 }
 
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 6c3fb5a..1f9c363 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -816,6 +816,11 @@ static int autoresize(struct ubi_device *ubi, int vol_id)
 	struct ubi_volume *vol = ubi->volumes[vol_id];
 	int err, old_reserved_pebs = vol->reserved_pebs;
 
+	if (ubi->ro_mode) {
+		ubi_warn("skip auto-resize because of R/O mode");
+		return 0;
+	}
+
 	/*
 	 * Clear the auto-resize flag in the volume in-memory copy of the
 	 * volume table, and 'ubi_resize_volume()' will propagate this change
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index b99318e..b2b62de 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -997,7 +997,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
 			return err;
 		goto adjust_mean_ec;
 	case UBI_IO_FF:
-		if (ec_err)
+		if (ec_err || bitflips)
 			err = add_to_list(si, pnum, ec, 1, &si->erase);
 		else
 			err = add_to_list(si, pnum, ec, 0, &si->free);
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index 5fedc33..d8f2b5b 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -181,7 +181,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev,
 
 		if (!clock_name || !strcmp(clock_name, "sys")) {
 			sys_clk = clk_get(&ofdev->dev, "sys_clk");
-			if (!sys_clk) {
+			if (IS_ERR(sys_clk)) {
 				dev_err(&ofdev->dev, "couldn't get sys_clk\n");
 				goto exit_unmap;
 			}
@@ -204,7 +204,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev,
 
 		if (clocksrc < 0) {
 			ref_clk = clk_get(&ofdev->dev, "ref_clk");
-			if (!ref_clk) {
+			if (IS_ERR(ref_clk)) {
 				dev_err(&ofdev->dev, "couldn't get ref_clk\n");
 				goto exit_unmap;
 			}
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 0549261..c5f6b0e 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -4720,8 +4720,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 
 	netif_device_detach(netdev);
 
-	mutex_lock(&adapter->mutex);
-
 	if (netif_running(netdev)) {
 		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
 		e1000_down(adapter);
@@ -4729,10 +4727,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 
 #ifdef CONFIG_PM
 	retval = pci_save_state(pdev);
-	if (retval) {
-		mutex_unlock(&adapter->mutex);
+	if (retval)
 		return retval;
-	}
 #endif
 
 	status = er32(STATUS);
@@ -4789,8 +4785,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	if (netif_running(netdev))
 		e1000_free_irq(adapter);
 
-	mutex_unlock(&adapter->mutex);
-
 	pci_disable_device(pdev);
 
 	return 0;
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index ed1be8a..4b43bc5 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -327,6 +327,8 @@ enum rtl_registers {
 	Config0		= 0x51,
 	Config1		= 0x52,
 	Config2		= 0x53,
+#define PME_SIGNAL			(1 << 5)	/* 8168c and later */
+
 	Config3		= 0x54,
 	Config4		= 0x55,
 	Config5		= 0x56,
@@ -1360,7 +1362,6 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 		u16 reg;
 		u8  mask;
 	} cfg[] = {
-		{ WAKE_ANY,   Config1, PMEnable },
 		{ WAKE_PHY,   Config3, LinkUp },
 		{ WAKE_MAGIC, Config3, MagicPacket },
 		{ WAKE_UCAST, Config5, UWF },
@@ -1368,16 +1369,32 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
 		{ WAKE_MCAST, Config5, MWF },
 		{ WAKE_ANY,   Config5, LanWake }
 	};
+	u8 options;
 
 	RTL_W8(Cfg9346, Cfg9346_Unlock);
 
 	for (i = 0; i < ARRAY_SIZE(cfg); i++) {
-		u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
+		options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
 		if (wolopts & cfg[i].opt)
 			options |= cfg[i].mask;
 		RTL_W8(cfg[i].reg, options);
 	}
 
+	switch (tp->mac_version) {
+	case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
+		options = RTL_R8(Config1) & ~PMEnable;
+		if (wolopts)
+			options |= PMEnable;
+		RTL_W8(Config1, options);
+		break;
+	default:
+		options = RTL_R8(Config2) & ~PME_SIGNAL;
+		if (wolopts)
+			options |= PME_SIGNAL;
+		RTL_W8(Config2, options);
+		break;
+	}
+
 	RTL_W8(Cfg9346, Cfg9346_Lock);
 }
 
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 7145714..c0f097b 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -79,6 +79,7 @@ static int rionet_capable = 1;
  * on system trade-offs.
  */
 static struct rio_dev **rionet_active;
+static int nact;	/* total number of active rionet peers */
 
 #define is_rionet_capable(src_ops, dst_ops)			\
 			((src_ops & RIO_SRC_OPS_DATA_MSG) &&	\
@@ -175,6 +176,7 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	struct ethhdr *eth = (struct ethhdr *)skb->data;
 	u16 destid;
 	unsigned long flags;
+	int add_num = 1;
 
 	local_irq_save(flags);
 	if (!spin_trylock(&rnet->tx_lock)) {
@@ -182,7 +184,10 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		return NETDEV_TX_LOCKED;
 	}
 
-	if ((rnet->tx_cnt + 1) > RIONET_TX_RING_SIZE) {
+	if (is_multicast_ether_addr(eth->h_dest))
+		add_num = nact;
+
+	if ((rnet->tx_cnt + add_num) > RIONET_TX_RING_SIZE) {
 		netif_stop_queue(ndev);
 		spin_unlock_irqrestore(&rnet->tx_lock, flags);
 		printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n",
@@ -191,11 +196,16 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	}
 
 	if (is_multicast_ether_addr(eth->h_dest)) {
+		int count = 0;
 		for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size);
 				i++)
-			if (rionet_active[i])
+			if (rionet_active[i]) {
 				rionet_queue_tx_msg(skb, ndev,
 						    rionet_active[i]);
+				if (count)
+					atomic_inc(&skb->users);
+				count++;
+			}
 	} else if (RIONET_MAC_MATCH(eth->h_dest)) {
 		destid = RIONET_GET_DESTID(eth->h_dest);
 		if (rionet_active[destid])
@@ -220,14 +230,17 @@ static void rionet_dbell_event(struct rio_mport *mport, void *dev_id, u16 sid, u
 	if (info == RIONET_DOORBELL_JOIN) {
 		if (!rionet_active[sid]) {
 			list_for_each_entry(peer, &rionet_peers, node) {
-				if (peer->rdev->destid == sid)
+				if (peer->rdev->destid == sid) {
 					rionet_active[sid] = peer->rdev;
+					nact++;
+				}
 			}
 			rio_mport_send_doorbell(mport, sid,
 						RIONET_DOORBELL_JOIN);
 		}
 	} else if (info == RIONET_DOORBELL_LEAVE) {
 		rionet_active[sid] = NULL;
+		nact--;
 	} else {
 		if (netif_msg_intr(rnet))
 			printk(KERN_WARNING "%s: unhandled doorbell\n",
@@ -524,6 +537,7 @@ static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id)
 
 		rc = rionet_setup_netdev(rdev->net->hport, ndev);
 		rionet_check = 1;
+		nact = 0;
 	}
 
 	/*
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 1883d39..f7e17a0 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -122,8 +122,9 @@ static void ath_pci_aspm_init(struct ath_common *common)
 	if (!parent)
 		return;
 
-	if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) {
-		/* Bluetooth coexistance requires disabling ASPM. */
+	if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
+	    (AR_SREV_9285(ah))) {
+		/* Bluetooth coexistance requires disabling ASPM for AR9285. */
 		pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &aspm);
 		aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
 		pci_write_config_byte(pdev, pos + PCI_EXP_LNKCTL, aspm);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index dfee1b3..9005380 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -658,8 +658,10 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 
 	/* Check if setup is sensible at all */
 	if (!pass &&
-	    (primary != bus->number || secondary <= bus->number)) {
-		dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
+	    (primary != bus->number || secondary <= bus->number ||
+	     secondary > subordinate)) {
+		dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
+			 secondary, subordinate);
 		broken = 1;
 	}
 
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 0860181..4f1b10b 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -519,6 +519,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
 
 	rwlock_init(&port->unit_list_lock);
 	INIT_LIST_HEAD(&port->unit_list);
+	atomic_set(&port->units, 0);
 
 	INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup);
 	INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work);
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 96f13ad8..79a6afe 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -39,17 +39,23 @@ void zfcp_ccw_adapter_put(struct zfcp_adapter *adapter)
 	spin_unlock_irqrestore(&zfcp_ccw_adapter_ref_lock, flags);
 }
 
-static int zfcp_ccw_activate(struct ccw_device *cdev)
-
+/**
+ * zfcp_ccw_activate - activate adapter and wait for it to finish
+ * @cdev: pointer to belonging ccw device
+ * @clear: Status flags to clear.
+ * @tag: s390dbf trace record tag
+ */
+static int zfcp_ccw_activate(struct ccw_device *cdev, int clear, char *tag)
 {
 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
 
 	if (!adapter)
 		return 0;
 
+	zfcp_erp_clear_adapter_status(adapter, clear);
 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"ccresu2");
+				tag);
 	zfcp_erp_wait(adapter);
 	flush_work(&adapter->scan_work);
 
@@ -164,26 +170,29 @@ static int zfcp_ccw_set_online(struct ccw_device *cdev)
 	BUG_ON(!zfcp_reqlist_isempty(adapter->req_list));
 	adapter->req_no = 0;
 
-	zfcp_ccw_activate(cdev);
+	zfcp_ccw_activate(cdev, 0, "ccsonl1");
 	zfcp_ccw_adapter_put(adapter);
 	return 0;
 }
 
 /**
- * zfcp_ccw_set_offline - set_offline function of zfcp driver
+ * zfcp_ccw_offline_sync - shut down adapter and wait for it to finish
  * @cdev: pointer to belonging ccw device
+ * @set: Status flags to set.
+ * @tag: s390dbf trace record tag
  *
  * This function gets called by the common i/o layer and sets an adapter
  * into state offline.
  */
-static int zfcp_ccw_set_offline(struct ccw_device *cdev)
+static int zfcp_ccw_offline_sync(struct ccw_device *cdev, int set, char *tag)
 {
 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);
 
 	if (!adapter)
 		return 0;
 
-	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1");
+	zfcp_erp_set_adapter_status(adapter, set);
+	zfcp_erp_adapter_shutdown(adapter, 0, tag);
 	zfcp_erp_wait(adapter);
 
 	zfcp_ccw_adapter_put(adapter);
@@ -191,6 +200,18 @@ static int zfcp_ccw_set_offline(struct ccw_device *cdev)
 }
 
 /**
+ * zfcp_ccw_set_offline - set_offline function of zfcp driver
+ * @cdev: pointer to belonging ccw device
+ *
+ * This function gets called by the common i/o layer and sets an adapter
+ * into state offline.
+ */
+static int zfcp_ccw_set_offline(struct ccw_device *cdev)
+{
+	return zfcp_ccw_offline_sync(cdev, 0, "ccsoff1");
+}
+
+/**
  * zfcp_ccw_notify - ccw notify function
  * @cdev: pointer to belonging ccw device
  * @event: indicates if adapter was detached or attached
@@ -207,6 +228,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event)
 
 	switch (event) {
 	case CIO_GONE:
+		if (atomic_read(&adapter->status) &
+		    ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */
+			zfcp_dbf_hba_basic("ccnigo1", adapter);
+			break;
+		}
 		dev_warn(&cdev->dev, "The FCP device has been detached\n");
 		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1");
 		break;
@@ -216,6 +242,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event)
 		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2");
 		break;
 	case CIO_OPER:
+		if (atomic_read(&adapter->status) &
+		    ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */
+			zfcp_dbf_hba_basic("ccniop1", adapter);
+			break;
+		}
 		dev_info(&cdev->dev, "The FCP device is operational again\n");
 		zfcp_erp_set_adapter_status(adapter,
 					    ZFCP_STATUS_COMMON_RUNNING);
@@ -251,6 +282,28 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev)
 	zfcp_ccw_adapter_put(adapter);
 }
 
+static int zfcp_ccw_suspend(struct ccw_device *cdev)
+{
+	zfcp_ccw_offline_sync(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccsusp1");
+	return 0;
+}
+
+static int zfcp_ccw_thaw(struct ccw_device *cdev)
+{
+	/* trace records for thaw and final shutdown during suspend
+	   can only be found in system dump until the end of suspend
+	   but not after resume because it's based on the memory image
+	   right after the very first suspend (freeze) callback */
+	zfcp_ccw_activate(cdev, 0, "ccthaw1");
+	return 0;
+}
+
+static int zfcp_ccw_resume(struct ccw_device *cdev)
+{
+	zfcp_ccw_activate(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccresu1");
+	return 0;
+}
+
 struct ccw_driver zfcp_ccw_driver = {
 	.driver = {
 		.owner	= THIS_MODULE,
@@ -263,7 +316,7 @@ struct ccw_driver zfcp_ccw_driver = {
 	.set_offline = zfcp_ccw_set_offline,
 	.notify      = zfcp_ccw_notify,
 	.shutdown    = zfcp_ccw_shutdown,
-	.freeze      = zfcp_ccw_set_offline,
-	.thaw	     = zfcp_ccw_activate,
-	.restore     = zfcp_ccw_activate,
+	.freeze      = zfcp_ccw_suspend,
+	.thaw	     = zfcp_ccw_thaw,
+	.restore     = zfcp_ccw_resume,
 };
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index fab2c25..8ed63aa 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -293,7 +293,7 @@ void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *adapter)
 	}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
 
-	shost_for_each_device(sdev, port->adapter->scsi_host) {
+	shost_for_each_device(sdev, adapter->scsi_host) {
 		zfcp_sdev = sdev_to_zfcp(sdev);
 		status = atomic_read(&zfcp_sdev->status);
 		if ((status & ZFCP_STATUS_COMMON_ACCESS_DENIED) ||
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index a9a816e..79b9848 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -191,7 +191,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
 	length = min((u16)sizeof(struct qdio_buffer),
 		     (u16)ZFCP_DBF_PAY_MAX_REC);
 
-	while ((char *)pl[payload->counter] && payload->counter < scount) {
+	while (payload->counter < scount && (char *)pl[payload->counter]) {
 		memcpy(payload->data, (char *)pl[payload->counter], length);
 		debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length));
 		payload->counter++;
@@ -200,6 +200,26 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount,
 	spin_unlock_irqrestore(&dbf->pay_lock, flags);
 }
 
+/**
+ * zfcp_dbf_hba_basic - trace event for basic adapter events
+ * @adapter: pointer to struct zfcp_adapter
+ */
+void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter)
+{
+	struct zfcp_dbf *dbf = adapter->dbf;
+	struct zfcp_dbf_hba *rec = &dbf->hba_buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dbf->hba_lock, flags);
+	memset(rec, 0, sizeof(*rec));
+
+	memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN);
+	rec->id = ZFCP_DBF_HBA_BASIC;
+
+	debug_event(dbf->hba, 1, rec, sizeof(*rec));
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
+}
+
 static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec,
 				struct zfcp_adapter *adapter,
 				struct zfcp_port *port,
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 714f087..3ac7a4b 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -154,6 +154,7 @@ enum zfcp_dbf_hba_id {
 	ZFCP_DBF_HBA_RES	= 1,
 	ZFCP_DBF_HBA_USS	= 2,
 	ZFCP_DBF_HBA_BIT	= 3,
+	ZFCP_DBF_HBA_BASIC	= 4,
 };
 
 /**
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index ed5d921..f172b84 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -77,6 +77,7 @@ struct zfcp_reqlist;
 #define ZFCP_STATUS_ADAPTER_SIOSL_ISSUED	0x00000004
 #define ZFCP_STATUS_ADAPTER_XCONFIG_OK		0x00000008
 #define ZFCP_STATUS_ADAPTER_HOST_CON_INIT	0x00000010
+#define ZFCP_STATUS_ADAPTER_SUSPENDED		0x00000040
 #define ZFCP_STATUS_ADAPTER_ERP_PENDING		0x00000100
 #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED	0x00000200
 #define ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED	0x00000400
@@ -204,6 +205,7 @@ struct zfcp_port {
 	struct zfcp_adapter    *adapter;       /* adapter used to access port */
 	struct list_head	unit_list;	/* head of logical unit list */
 	rwlock_t		unit_list_lock; /* unit list lock */
+	atomic_t		units;	       /* zfcp_unit count */
 	atomic_t	       status;	       /* status of this remote port */
 	u64		       wwnn;	       /* WWNN if known */
 	u64		       wwpn;	       /* WWPN */
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 2302e1c..ef9e502 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -54,6 +54,7 @@ extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
+extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
 extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
 extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
 extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
@@ -158,6 +159,7 @@ extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
 extern struct attribute_group zfcp_sysfs_unit_attrs;
 extern struct attribute_group zfcp_sysfs_adapter_attrs;
 extern struct attribute_group zfcp_sysfs_port_attrs;
+extern struct mutex zfcp_sysfs_port_units_mutex;
 extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
 extern struct device_attribute *zfcp_sysfs_shost_attrs[];
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index e9a787e..8c849f0 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -219,7 +219,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
 		return;
 	}
 
-	zfcp_dbf_hba_fsf_uss("fssrh_2", req);
+	zfcp_dbf_hba_fsf_uss("fssrh_4", req);
 
 	switch (sr_buf->status_type) {
 	case FSF_STATUS_READ_PORT_CLOSED:
@@ -771,12 +771,14 @@ out:
 static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req)
 {
 	struct scsi_device *sdev = req->data;
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+	struct zfcp_scsi_dev *zfcp_sdev;
 	union fsf_status_qual *fsq = &req->qtcb->header.fsf_status_qual;
 
 	if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
 		return;
 
+	zfcp_sdev = sdev_to_zfcp(sdev);
+
 	switch (req->qtcb->header.fsf_status) {
 	case FSF_PORT_HANDLE_NOT_VALID:
 		if (fsq->word[0] == fsq->word[1]) {
@@ -885,7 +887,7 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
 
 	switch (header->fsf_status) {
         case FSF_GOOD:
-		zfcp_dbf_san_res("fsscth1", req);
+		zfcp_dbf_san_res("fsscth2", req);
 		ct->status = 0;
 		break;
         case FSF_SERVICE_CLASS_NOT_SUPPORTED:
@@ -1739,13 +1741,15 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req)
 {
 	struct zfcp_adapter *adapter = req->adapter;
 	struct scsi_device *sdev = req->data;
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+	struct zfcp_scsi_dev *zfcp_sdev;
 	struct fsf_qtcb_header *header = &req->qtcb->header;
 	struct fsf_qtcb_bottom_support *bottom = &req->qtcb->bottom.support;
 
 	if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
 		return;
 
+	zfcp_sdev = sdev_to_zfcp(sdev);
+
 	atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
 			  ZFCP_STATUS_COMMON_ACCESS_BOXED |
 			  ZFCP_STATUS_LUN_SHARED |
@@ -1856,11 +1860,13 @@ out:
 static void zfcp_fsf_close_lun_handler(struct zfcp_fsf_req *req)
 {
 	struct scsi_device *sdev = req->data;
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+	struct zfcp_scsi_dev *zfcp_sdev;
 
 	if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
 		return;
 
+	zfcp_sdev = sdev_to_zfcp(sdev);
+
 	switch (req->qtcb->header.fsf_status) {
 	case FSF_PORT_HANDLE_NOT_VALID:
 		zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1");
@@ -1950,7 +1956,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi)
 {
 	struct fsf_qual_latency_info *lat_in;
 	struct latency_cont *lat = NULL;
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scsi->device);
+	struct zfcp_scsi_dev *zfcp_sdev;
 	struct zfcp_blk_drv_data blktrc;
 	int ticks = req->adapter->timer_ticks;
 
@@ -1965,6 +1971,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi)
 
 	if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA &&
 	    !(req->status & ZFCP_STATUS_FSFREQ_ERROR)) {
+		zfcp_sdev = sdev_to_zfcp(scsi->device);
 		blktrc.flags |= ZFCP_BLK_LAT_VALID;
 		blktrc.channel_lat = lat_in->channel_lat * ticks;
 		blktrc.fabric_lat = lat_in->fabric_lat * ticks;
@@ -2002,12 +2009,14 @@ static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req)
 {
 	struct scsi_cmnd *scmnd = req->data;
 	struct scsi_device *sdev = scmnd->device;
-	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
+	struct zfcp_scsi_dev *zfcp_sdev;
 	struct fsf_qtcb_header *header = &req->qtcb->header;
 
 	if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ERROR))
 		return;
 
+	zfcp_sdev = sdev_to_zfcp(sdev);
+
 	switch (header->fsf_status) {
 	case FSF_HANDLE_MISMATCH:
 	case FSF_PORT_HANDLE_NOT_VALID:
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index e14da57..e76d003 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -102,18 +102,22 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
 {
 	struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm;
 	struct zfcp_adapter *adapter = qdio->adapter;
-	struct qdio_buffer_element *sbale;
 	int sbal_no, sbal_idx;
-	void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1];
-	u64 req_id;
-	u8 scount;
 
 	if (unlikely(qdio_err)) {
-		memset(pl, 0, ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
 		if (zfcp_adapter_multi_buffer_active(adapter)) {
+			void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1];
+			struct qdio_buffer_element *sbale;
+			u64 req_id;
+			u8 scount;
+
+			memset(pl, 0,
+			       ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
 			sbale = qdio->res_q[idx]->element;
 			req_id = (u64) sbale->addr;
-			scount = sbale->scount + 1; /* incl. signaling SBAL */
+			scount = min(sbale->scount + 1,
+				     ZFCP_QDIO_MAX_SBALS_PER_REQ + 1);
+				     /* incl. signaling SBAL */
 
 			for (sbal_no = 0; sbal_no < scount; sbal_no++) {
 				sbal_idx = (idx + sbal_no) %
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index cdc4ff7..9e62210 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -227,6 +227,8 @@ static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
 static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL,
 		     zfcp_sysfs_port_rescan_store);
 
+DEFINE_MUTEX(zfcp_sysfs_port_units_mutex);
+
 static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
 					    struct device_attribute *attr,
 					    const char *buf, size_t count)
@@ -249,6 +251,16 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
 	else
 		retval = 0;
 
+	mutex_lock(&zfcp_sysfs_port_units_mutex);
+	if (atomic_read(&port->units) > 0) {
+		retval = -EBUSY;
+		mutex_unlock(&zfcp_sysfs_port_units_mutex);
+		goto out;
+	}
+	/* port is about to be removed, so no more unit_add */
+	atomic_set(&port->units, -1);
+	mutex_unlock(&zfcp_sysfs_port_units_mutex);
+
 	write_lock_irq(&adapter->port_list_lock);
 	list_del(&port->list);
 	write_unlock_irq(&adapter->port_list_lock);
@@ -289,12 +301,14 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 {
 	struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
 	u64 fcp_lun;
+	int retval;
 
 	if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
 		return -EINVAL;
 
-	if (zfcp_unit_add(port, fcp_lun))
-		return -EINVAL;
+	retval = zfcp_unit_add(port, fcp_lun);
+	if (retval)
+		return retval;
 
 	return count;
 }
diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c
index 20796eb..4e6a535 100644
--- a/drivers/s390/scsi/zfcp_unit.c
+++ b/drivers/s390/scsi/zfcp_unit.c
@@ -104,7 +104,7 @@ static void zfcp_unit_release(struct device *dev)
 {
 	struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev);
 
-	put_device(&unit->port->dev);
+	atomic_dec(&unit->port->units);
 	kfree(unit);
 }
 
@@ -119,16 +119,27 @@ static void zfcp_unit_release(struct device *dev)
 int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun)
 {
 	struct zfcp_unit *unit;
+	int retval = 0;
+
+	mutex_lock(&zfcp_sysfs_port_units_mutex);
+	if (atomic_read(&port->units) == -1) {
+		/* port is already gone */
+		retval = -ENODEV;
+		goto out;
+	}
 
 	unit = zfcp_unit_find(port, fcp_lun);
 	if (unit) {
 		put_device(&unit->dev);
-		return -EEXIST;
+		retval = -EEXIST;
+		goto out;
 	}
 
 	unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL);
-	if (!unit)
-		return -ENOMEM;
+	if (!unit) {
+		retval = -ENOMEM;
+		goto out;
+	}
 
 	unit->port = port;
 	unit->fcp_lun = fcp_lun;
@@ -139,28 +150,33 @@ int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun)
 	if (dev_set_name(&unit->dev, "0x%016llx",
 			 (unsigned long long) fcp_lun)) {
 		kfree(unit);
-		return -ENOMEM;
+		retval = -ENOMEM;
+		goto out;
 	}
 
-	get_device(&port->dev);
-
 	if (device_register(&unit->dev)) {
 		put_device(&unit->dev);
-		return -ENOMEM;
+		retval = -ENOMEM;
+		goto out;
 	}
 
 	if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs)) {
 		device_unregister(&unit->dev);
-		return -EINVAL;
+		retval = -EINVAL;
+		goto out;
 	}
 
+	atomic_inc(&port->units); /* under zfcp_sysfs_port_units_mutex ! */
+
 	write_lock_irq(&port->unit_list_lock);
 	list_add_tail(&unit->list, &port->unit_list);
 	write_unlock_irq(&port->unit_list_lock);
 
 	zfcp_unit_scsi_scan(unit);
 
-	return 0;
+out:
+	mutex_unlock(&zfcp_sysfs_port_units_mutex);
+	return retval;
 }
 
 /**
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 7e6eca4..59fc5a1 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -1174,7 +1174,16 @@ wait_io1:
 	outw(val, tmport);
 	outb(2, 0x80);
 TCM_SYNC:
-	udelay(0x800);
+	/*
+	 * The funny division into multiple delays is to accomodate
+	 * arches like ARM where udelay() multiplies its argument by
+	 * a large number to initialize a loop counter.  To avoid
+	 * overflow, the maximum supported udelay is 2000 microseconds.
+	 *
+	 * XXX it would be more polite to find a way to use msleep()
+	 */
+	mdelay(2);
+	udelay(48);
 	if ((inb(tmport) & 0x80) == 0x00) {	/* bsy ? */
 		outw(0, tmport--);
 		outb(0, tmport);
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 4ef0212..e5a4423 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -578,8 +578,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h)
 		h->state = TPGS_STATE_STANDBY;
 		break;
 	case TPGS_STATE_OFFLINE:
-	case TPGS_STATE_UNAVAILABLE:
-		/* Path unusable for unavailable/offline */
+		/* Path unusable */
 		err = SCSI_DH_DEV_OFFLINED;
 		break;
 	default:
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index be9aad8..22523aa 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -532,12 +532,42 @@ static void set_performant_mode(struct ctlr_info *h, struct CommandList *c)
 		c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
 }
 
+static int is_firmware_flash_cmd(u8 *cdb)
+{
+	return cdb[0] == BMIC_WRITE && cdb[6] == BMIC_FLASH_FIRMWARE;
+}
+
+/*
+ * During firmware flash, the heartbeat register may not update as frequently
+ * as it should.  So we dial down lockup detection during firmware flash. and
+ * dial it back up when firmware flash completes.
+ */
+#define HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH (240 * HZ)
+#define HEARTBEAT_SAMPLE_INTERVAL (30 * HZ)
+static void dial_down_lockup_detection_during_fw_flash(struct ctlr_info *h,
+		struct CommandList *c)
+{
+	if (!is_firmware_flash_cmd(c->Request.CDB))
+		return;
+	atomic_inc(&h->firmware_flash_in_progress);
+	h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH;
+}
+
+static void dial_up_lockup_detection_on_fw_flash_complete(struct ctlr_info *h,
+		struct CommandList *c)
+{
+	if (is_firmware_flash_cmd(c->Request.CDB) &&
+		atomic_dec_and_test(&h->firmware_flash_in_progress))
+		h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
+}
+
 static void enqueue_cmd_and_start_io(struct ctlr_info *h,
 	struct CommandList *c)
 {
 	unsigned long flags;
 
 	set_performant_mode(h, c);
+	dial_down_lockup_detection_during_fw_flash(h, c);
 	spin_lock_irqsave(&h->lock, flags);
 	addQ(&h->reqQ, c);
 	h->Qdepth++;
@@ -2926,7 +2956,7 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
 			c->Request.Timeout = 0; /* Don't time out */
 			memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
 			c->Request.CDB[0] =  cmd;
-			c->Request.CDB[1] = 0x03;  /* Reset target above */
+			c->Request.CDB[1] = HPSA_RESET_TYPE_LUN;
 			/* If bytes 4-7 are zero, it means reset the */
 			/* LunID device */
 			c->Request.CDB[4] = 0x00;
@@ -3032,6 +3062,7 @@ static inline int bad_tag(struct ctlr_info *h, u32 tag_index,
 static inline void finish_cmd(struct CommandList *c, u32 raw_tag)
 {
 	removeQ(c);
+	dial_up_lockup_detection_on_fw_flash_complete(c->h, c);
 	if (likely(c->cmd_type == CMD_SCSI))
 		complete_scsi_command(c);
 	else if (c->cmd_type == CMD_IOCTL_PEND)
@@ -4172,9 +4203,6 @@ static void controller_lockup_detected(struct ctlr_info *h)
 	spin_unlock_irqrestore(&h->lock, flags);
 }
 
-#define HEARTBEAT_SAMPLE_INTERVAL (10 * HZ)
-#define HEARTBEAT_CHECK_MINIMUM_INTERVAL (HEARTBEAT_SAMPLE_INTERVAL / 2)
-
 static void detect_controller_lockup(struct ctlr_info *h)
 {
 	u64 now;
@@ -4185,7 +4213,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
 	now = get_jiffies_64();
 	/* If we've received an interrupt recently, we're ok. */
 	if (time_after64(h->last_intr_timestamp +
-				(HEARTBEAT_CHECK_MINIMUM_INTERVAL), now))
+				(h->heartbeat_sample_interval), now))
 		return;
 
 	/*
@@ -4194,7 +4222,7 @@ static void detect_controller_lockup(struct ctlr_info *h)
 	 * otherwise don't care about signals in this thread.
 	 */
 	if (time_after64(h->last_heartbeat_timestamp +
-				(HEARTBEAT_CHECK_MINIMUM_INTERVAL), now))
+				(h->heartbeat_sample_interval), now))
 		return;
 
 	/* If heartbeat has not changed since we last looked, we're not ok. */
@@ -4236,6 +4264,7 @@ static void add_ctlr_to_lockup_detector_list(struct ctlr_info *h)
 {
 	unsigned long flags;
 
+	h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL;
 	spin_lock_irqsave(&lockup_detector_lock, flags);
 	list_add_tail(&h->lockup_list, &hpsa_ctlr_list);
 	spin_unlock_irqrestore(&lockup_detector_lock, flags);
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 91edafb..c721509 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -124,6 +124,8 @@ struct ctlr_info {
 	u64 last_intr_timestamp;
 	u32 last_heartbeat;
 	u64 last_heartbeat_timestamp;
+	u32 heartbeat_sample_interval;
+	atomic_t firmware_flash_in_progress;
 	u32 lockup_detected;
 	struct list_head lockup_list;
 };
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 3fd4715..e4ea0a3 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -163,6 +163,7 @@ struct SenseSubsystem_info {
 #define BMIC_WRITE 0x27
 #define BMIC_CACHE_FLUSH 0xc2
 #define HPSA_CACHE_FLUSH 0x01	/* C2 was already being used by HPSA */
+#define BMIC_FLASH_FIRMWARE 0xF7
 
 /* Command List Structure */
 union SCSI3Addr {
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 3d391dc..36aca4b 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1547,6 +1547,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 
 	host_config = &evt_struct->iu.mad.host_config;
 
+	/* The transport length field is only 16-bit */
+	length = min(0xffff, length);
+
 	/* Set up a lun reset SRP command */
 	memset(host_config, 0x00, sizeof(*host_config));
 	host_config->common.type = VIOSRP_HOST_CONFIG_TYPE;
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 83d08b6..5c8b0dc 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -469,7 +469,6 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
 		if (sci_oem_parameters_validate(&orom->ctrl[i])) {
 			dev_warn(&pdev->dev,
 				 "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
-			devm_kfree(&pdev->dev, orom);
 			orom = NULL;
 			break;
 		}
diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
index b5f4341..7cd637d 100644
--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -104,7 +104,6 @@ struct isci_orom *isci_request_oprom(struct pci_dev *pdev)
 
 	if (i >= len) {
 		dev_err(&pdev->dev, "oprom parse error\n");
-		devm_kfree(&pdev->dev, rom);
 		rom = NULL;
 	}
 	pci_unmap_biosrom(oprom);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index bb7c482..08d48a3 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1023,33 +1023,31 @@ static void __scsi_remove_target(struct scsi_target *starget)
 void scsi_remove_target(struct device *dev)
 {
 	struct Scsi_Host *shost = dev_to_shost(dev->parent);
-	struct scsi_target *starget, *found;
+	struct scsi_target *starget, *last = NULL;
 	unsigned long flags;
 
- restart:
-	found = NULL;
+	/* remove targets being careful to lookup next entry before
+	 * deleting the last
+	 */
 	spin_lock_irqsave(shost->host_lock, flags);
 	list_for_each_entry(starget, &shost->__targets, siblings) {
 		if (starget->state == STARGET_DEL)
 			continue;
 		if (starget->dev.parent == dev || &starget->dev == dev) {
-			found = starget;
-			found->reap_ref++;
-			break;
+			/* assuming new targets arrive at the end */
+			starget->reap_ref++;
+			spin_unlock_irqrestore(shost->host_lock, flags);
+			if (last)
+				scsi_target_reap(last);
+			last = starget;
+			__scsi_remove_target(starget);
+			spin_lock_irqsave(shost->host_lock, flags);
 		}
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
-	if (found) {
-		__scsi_remove_target(found);
-		scsi_target_reap(found);
-		/* in the case where @dev has multiple starget children,
-		 * continue removing.
-		 *
-		 * FIXME: does such a case exist?
-		 */
-		goto restart;
-	}
+	if (last)
+		scsi_target_reap(last);
 }
 EXPORT_SYMBOL(scsi_remove_target);
 
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 4ad2c0e..9465bce 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -843,7 +843,7 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn,
 				ret = -EAGAIN;
 				break;
 			}
-			ret = s->async->inttrig(dev, s, insn->data[0]);
+			ret = s->async->inttrig(dev, s, data[0]);
 			if (ret >= 0)
 				ret = 1;
 			break;
@@ -1088,7 +1088,6 @@ static int do_cmd_ioctl(struct comedi_device *dev,
 		goto cleanup;
 	}
 
-	kfree(async->cmd.chanlist);
 	async->cmd = user_cmd;
 	async->cmd.data = NULL;
 	/* load channel/gain list */
@@ -1833,6 +1832,8 @@ void do_become_nonbusy(struct comedi_device *dev, struct comedi_subdevice *s)
 	if (async) {
 		comedi_reset_async_buf(async);
 		async->inttrig = NULL;
+		kfree(async->cmd.chanlist);
+		async->cmd.chanlist = NULL;
 	} else {
 		printk(KERN_ERR
 		       "BUG: (?) do_become_nonbusy called with async=0\n");
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c
index 8d98cf4..c8b7eed 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -913,7 +913,7 @@ static int jr3_pci_attach(struct comedi_device *dev,
 	}
 
 	/*  Reset DSP card */
-	devpriv->iobase->channel[0].reset = 0;
+	writel(0, &devpriv->iobase->channel[0].reset);
 
 	result = comedi_load_firmware(dev, "jr3pci.idm", jr3_download_firmware);
 	printk("Firmare load %d\n", result);
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 23fc64b..c72128f 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -2370,7 +2370,7 @@ static int s626_enc_insn_config(struct comedi_device *dev,
 	/*   (data==NULL) ? (Preloadvalue=0) : (Preloadvalue=data[0]); */
 
 	k->SetMode(dev, k, Setup, TRUE);
-	Preload(dev, k, *(insn->data));
+	Preload(dev, k, data[0]);
 	k->PulseIndex(dev, k);
 	SetLatchSource(dev, k, valueSrclatch);
 	k->SetEnable(dev, k, (uint16_t) (enab != 0));
diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c
index 42cdafe..b5130c8 100644
--- a/drivers/staging/speakup/speakup_soft.c
+++ b/drivers/staging/speakup/speakup_soft.c
@@ -40,7 +40,7 @@ static int softsynth_is_alive(struct spk_synth *synth);
 static unsigned char get_index(void);
 
 static struct miscdevice synth_device;
-static int initialized;
+static int init_pos;
 static int misc_registered;
 
 static struct var_t vars[] = {
@@ -194,7 +194,7 @@ static int softsynth_close(struct inode *inode, struct file *fp)
 	unsigned long flags;
 	spk_lock(flags);
 	synth_soft.alive = 0;
-	initialized = 0;
+	init_pos = 0;
 	spk_unlock(flags);
 	/* Make sure we let applications go before leaving */
 	speakup_start_ttys();
@@ -239,13 +239,8 @@ static ssize_t softsynth_read(struct file *fp, char *buf, size_t count,
 			ch = '\x18';
 		} else if (synth_buffer_empty()) {
 			break;
-		} else if (!initialized) {
-			if (*init) {
-				ch = *init;
-				init++;
-			} else {
-				initialized = 1;
-			}
+		} else if (init[init_pos]) {
+			ch = init[init_pos++];
 		} else {
 			ch = synth_buffer_getc();
 		}
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 2ff1255..f35cb10 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3204,7 +3204,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 		len += 1;
 
 		if ((len + payload_len) > buffer_len) {
-			spin_unlock(&tiqn->tiqn_tpg_lock);
 			end_of_buf = 1;
 			goto eob;
 		}
@@ -3357,6 +3356,7 @@ static int iscsit_send_reject(
 	hdr->opcode		= ISCSI_OP_REJECT;
 	hdr->flags		|= ISCSI_FLAG_CMD_FINAL;
 	hton24(hdr->dlength, ISCSI_HDR_LEN);
+	hdr->ffffffff		= 0xffffffff;
 	cmd->stat_sn		= conn->stat_sn++;
 	hdr->statsn		= cpu_to_be32(cmd->stat_sn);
 	hdr->exp_cmdsn	= cpu_to_be32(conn->sess->exp_cmd_sn);
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 0f68197..dae283f 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -25,10 +25,10 @@
 #define NA_DATAOUT_TIMEOUT_RETRIES	5
 #define NA_DATAOUT_TIMEOUT_RETRIES_MAX	15
 #define NA_DATAOUT_TIMEOUT_RETRIES_MIN	1
-#define NA_NOPIN_TIMEOUT		5
+#define NA_NOPIN_TIMEOUT		15
 #define NA_NOPIN_TIMEOUT_MAX		60
 #define NA_NOPIN_TIMEOUT_MIN		3
-#define NA_NOPIN_RESPONSE_TIMEOUT	5
+#define NA_NOPIN_RESPONSE_TIMEOUT	30
 #define NA_NOPIN_RESPONSE_TIMEOUT_MAX	60
 #define NA_NOPIN_RESPONSE_TIMEOUT_MIN	3
 #define NA_RANDOM_DATAIN_PDU_OFFSETS	0
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index d4cf2cd..309f14c 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -674,6 +674,12 @@ int iscsit_ta_generate_node_acls(
 	pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
 		tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
 
+	if (flag == 1 && a->cache_dynamic_acls == 0) {
+		pr_debug("Explicitly setting cache_dynamic_acls=1 when "
+			"generate_node_acls=1\n");
+		a->cache_dynamic_acls = 1;
+	}
+
 	return 0;
 }
 
@@ -713,6 +719,12 @@ int iscsit_ta_cache_dynamic_acls(
 		return -EINVAL;
 	}
 
+	if (a->generate_node_acls == 1 && flag == 0) {
+		pr_debug("Skipping cache_dynamic_acls=0 when"
+			" generate_node_acls=1\n");
+		return 0;
+	}
+
 	a->cache_dynamic_acls = flag;
 	pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
 		" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 93d4f6a..0b01bfc 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3123,6 +3123,7 @@ static int __init target_core_init_configfs(void)
 				GFP_KERNEL);
 	if (!target_cg->default_groups) {
 		pr_err("Unable to allocate target_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
@@ -3138,6 +3139,7 @@ static int __init target_core_init_configfs(void)
 				GFP_KERNEL);
 	if (!hba_cg->default_groups) {
 		pr_err("Unable to allocate hba_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 	config_group_init_type_name(&alua_group,
@@ -3153,6 +3155,7 @@ static int __init target_core_init_configfs(void)
 			GFP_KERNEL);
 	if (!alua_cg->default_groups) {
 		pr_err("Unable to allocate alua_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
@@ -3164,14 +3167,17 @@ static int __init target_core_init_configfs(void)
 	 * Add core/alua/lu_gps/default_lu_gp
 	 */
 	lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1);
-	if (IS_ERR(lu_gp))
+	if (IS_ERR(lu_gp)) {
+		ret = -ENOMEM;
 		goto out_global;
+	}
 
 	lu_gp_cg = &alua_lu_gps_group;
 	lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 			GFP_KERNEL);
 	if (!lu_gp_cg->default_groups) {
 		pr_err("Unable to allocate lu_gp_cg->default_groups\n");
+		ret = -ENOMEM;
 		goto out_global;
 	}
 
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 455a251..cafa477 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -139,6 +139,19 @@ static struct se_device *fd_create_virtdevice(
 	 * of pure timestamp updates.
 	 */
 	flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+	/*
+	 * Optionally allow fd_buffered_io=1 to be enabled for people
+	 * who want use the fs buffer cache as an WriteCache mechanism.
+	 *
+	 * This means that in event of a hard failure, there is a risk
+	 * of silent data-loss if the SCSI client has *not* performed a
+	 * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE
+	 * to write-out the entire device cache.
+	 */
+	if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+		pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n");
+		flags &= ~O_DSYNC;
+	}
 
 	file = filp_open(dev_p, flags, 0600);
 	if (IS_ERR(file)) {
@@ -206,6 +219,12 @@ static struct se_device *fd_create_virtdevice(
 	if (!dev)
 		goto fail;
 
+	if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+		pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
+			" with FDBD_HAS_BUFFERED_IO_WCE\n");
+		dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
+	}
+
 	fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
 	fd_dev->fd_queue_depth = dev->queue_depth;
 
@@ -450,6 +469,7 @@ enum {
 static match_table_t tokens = {
 	{Opt_fd_dev_name, "fd_dev_name=%s"},
 	{Opt_fd_dev_size, "fd_dev_size=%s"},
+	{Opt_fd_buffered_io, "fd_buffered_io=%d"},
 	{Opt_err, NULL}
 };
 
@@ -461,7 +481,7 @@ static ssize_t fd_set_configfs_dev_params(
 	struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
 	char *orig, *ptr, *arg_p, *opts;
 	substring_t args[MAX_OPT_ARGS];
-	int ret = 0, token;
+	int ret = 0, arg, token;
 
 	opts = kstrdup(page, GFP_KERNEL);
 	if (!opts)
@@ -505,6 +525,19 @@ static ssize_t fd_set_configfs_dev_params(
 					" bytes\n", fd_dev->fd_dev_size);
 			fd_dev->fbd_flags |= FBDF_HAS_SIZE;
 			break;
+		case Opt_fd_buffered_io:
+			match_int(args, &arg);
+			if (arg != 1) {
+				pr_err("bogus fd_buffered_io=%d value\n", arg);
+				ret = -EINVAL;
+				goto out;
+			}
+
+			pr_debug("FILEIO: Using buffered I/O"
+				" operations for struct fd_dev\n");
+
+			fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE;
+			break;
 		default:
 			break;
 		}
@@ -536,8 +569,10 @@ static ssize_t fd_show_configfs_dev_params(
 	ssize_t bl = 0;
 
 	bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
-	bl += sprintf(b + bl, "        File: %s  Size: %llu  Mode: O_DSYNC\n",
-		fd_dev->fd_dev_name, fd_dev->fd_dev_size);
+	bl += sprintf(b + bl, "        File: %s  Size: %llu  Mode: %s\n",
+		fd_dev->fd_dev_name, fd_dev->fd_dev_size,
+		(fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ?
+		"Buffered-WCE" : "O_DSYNC");
 	return bl;
 }
 
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 53ece69..6b1b6a9 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -18,6 +18,7 @@ struct fd_request {
 
 #define FBDF_HAS_PATH		0x01
 #define FBDF_HAS_SIZE		0x02
+#define FDBD_HAS_BUFFERED_IO_WCE 0x04
 
 struct fd_dev {
 	u32		fbd_flags;
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index fc7bbba..d190269 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -108,7 +108,7 @@ struct gsm_mux_net {
  */
 
 struct gsm_msg {
-	struct gsm_msg *next;
+	struct list_head list;
 	u8 addr;		/* DLCI address + flags */
 	u8 ctrl;		/* Control byte + flags */
 	unsigned int len;	/* Length of data block (can be zero) */
@@ -245,8 +245,7 @@ struct gsm_mux {
 	unsigned int tx_bytes;		/* TX data outstanding */
 #define TX_THRESH_HI		8192
 #define TX_THRESH_LO		2048
-	struct gsm_msg *tx_head;	/* Pending data packets */
-	struct gsm_msg *tx_tail;
+	struct list_head tx_list;	/* Pending data packets */
 
 	/* Control messages */
 	struct timer_list t2_timer;	/* Retransmit timer for commands */
@@ -663,7 +662,7 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
 	m->len = len;
 	m->addr = addr;
 	m->ctrl = ctrl;
-	m->next = NULL;
+	INIT_LIST_HEAD(&m->list);
 	return m;
 }
 
@@ -673,22 +672,21 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
  *
  *	The tty device has called us to indicate that room has appeared in
  *	the transmit queue. Ram more data into the pipe if we have any
+ *	If we have been flow-stopped by a CMD_FCOFF, then we can only
+ *	send messages on DLCI0 until CMD_FCON
  *
  *	FIXME: lock against link layer control transmissions
  */
 
 static void gsm_data_kick(struct gsm_mux *gsm)
 {
-	struct gsm_msg *msg = gsm->tx_head;
+	struct gsm_msg *msg, *nmsg;
 	int len;
 	int skip_sof = 0;
 
-	/* FIXME: We need to apply this solely to data messages */
-	if (gsm->constipated)
-		return;
-
-	while (gsm->tx_head != NULL) {
-		msg = gsm->tx_head;
+	list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) {
+		if (gsm->constipated && msg->addr)
+			continue;
 		if (gsm->encoding != 0) {
 			gsm->txframe[0] = GSM1_SOF;
 			len = gsm_stuff_frame(msg->data,
@@ -711,14 +709,13 @@ static void gsm_data_kick(struct gsm_mux *gsm)
 						len - skip_sof) < 0)
 			break;
 		/* FIXME: Can eliminate one SOF in many more cases */
-		gsm->tx_head = msg->next;
-		if (gsm->tx_head == NULL)
-			gsm->tx_tail = NULL;
 		gsm->tx_bytes -= msg->len;
-		kfree(msg);
 		/* For a burst of frames skip the extra SOF within the
 		   burst */
 		skip_sof = 1;
+
+		list_del(&msg->list);
+		kfree(msg);
 	}
 }
 
@@ -768,11 +765,7 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
 	msg->data = dp;
 
 	/* Add to the actual output queue */
-	if (gsm->tx_tail)
-		gsm->tx_tail->next = msg;
-	else
-		gsm->tx_head = msg;
-	gsm->tx_tail = msg;
+	list_add_tail(&msg->list, &gsm->tx_list);
 	gsm->tx_bytes += msg->len;
 	gsm_data_kick(gsm);
 }
@@ -875,7 +868,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
 
 	/* dlci->skb is locked by tx_lock */
 	if (dlci->skb == NULL) {
-		dlci->skb = skb_dequeue(&dlci->skb_list);
+		dlci->skb = skb_dequeue_tail(&dlci->skb_list);
 		if (dlci->skb == NULL)
 			return 0;
 		first = 1;
@@ -886,7 +879,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
 	if (len > gsm->mtu) {
 		if (dlci->adaption == 3) {
 			/* Over long frame, bin it */
-			kfree_skb(dlci->skb);
+			dev_kfree_skb_any(dlci->skb);
 			dlci->skb = NULL;
 			return 0;
 		}
@@ -899,8 +892,11 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
 
 	/* FIXME: need a timer or something to kick this so it can't
 	   get stuck with no work outstanding and no buffer free */
-	if (msg == NULL)
+	if (msg == NULL) {
+		skb_queue_tail(&dlci->skb_list, dlci->skb);
+		dlci->skb = NULL;
 		return -ENOMEM;
+	}
 	dp = msg->data;
 
 	if (dlci->adaption == 4) { /* Interruptible framed (Packetised Data) */
@@ -912,7 +908,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm,
 	skb_pull(dlci->skb, len);
 	__gsm_data_queue(dlci, msg);
 	if (last) {
-		kfree_skb(dlci->skb);
+		dev_kfree_skb_any(dlci->skb);
 		dlci->skb = NULL;
 	}
 	return size;
@@ -971,16 +967,22 @@ static void gsm_dlci_data_sweep(struct gsm_mux *gsm)
 static void gsm_dlci_data_kick(struct gsm_dlci *dlci)
 {
 	unsigned long flags;
+	int sweep;
+
+	if (dlci->constipated) 
+		return;
 
 	spin_lock_irqsave(&dlci->gsm->tx_lock, flags);
 	/* If we have nothing running then we need to fire up */
+	sweep = (dlci->gsm->tx_bytes < TX_THRESH_LO);
 	if (dlci->gsm->tx_bytes == 0) {
 		if (dlci->net)
 			gsm_dlci_data_output_framed(dlci->gsm, dlci);
 		else
 			gsm_dlci_data_output(dlci->gsm, dlci);
-	} else if (dlci->gsm->tx_bytes < TX_THRESH_LO)
-		gsm_dlci_data_sweep(dlci->gsm);
+	}
+	if (sweep)
+ 		gsm_dlci_data_sweep(dlci->gsm);
 	spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags);
 }
 
@@ -1027,6 +1029,7 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
 {
 	int  mlines = 0;
 	u8 brk = 0;
+	int fc;
 
 	/* The modem status command can either contain one octet (v.24 signals)
 	   or two octets (v.24 signals + break signals). The length field will
@@ -1038,19 +1041,21 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci,
 	else {
 		brk = modem & 0x7f;
 		modem = (modem >> 7) & 0x7f;
-	};
+	}
 
 	/* Flow control/ready to communicate */
-	if (modem & MDM_FC) {
+	fc = (modem & MDM_FC) || !(modem & MDM_RTR);
+	if (fc && !dlci->constipated) {
 		/* Need to throttle our output on this device */
 		dlci->constipated = 1;
-	}
-	if (modem & MDM_RTC) {
-		mlines |= TIOCM_DSR | TIOCM_DTR;
+	} else if (!fc && dlci->constipated) {
 		dlci->constipated = 0;
 		gsm_dlci_data_kick(dlci);
 	}
+
 	/* Map modem bits */
+	if (modem & MDM_RTC)
+		mlines |= TIOCM_DSR | TIOCM_DTR;
 	if (modem & MDM_RTR)
 		mlines |= TIOCM_RTS | TIOCM_CTS;
 	if (modem & MDM_IC)
@@ -1190,6 +1195,8 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
 							u8 *data, int clen)
 {
 	u8 buf[1];
+	unsigned long flags;
+
 	switch (command) {
 	case CMD_CLD: {
 		struct gsm_dlci *dlci = gsm->dlci[0];
@@ -1206,16 +1213,18 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
 		gsm_control_reply(gsm, CMD_TEST, data, clen);
 		break;
 	case CMD_FCON:
-		/* Modem wants us to STFU */
-		gsm->constipated = 1;
-		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
-		break;
-	case CMD_FCOFF:
 		/* Modem can accept data again */
 		gsm->constipated = 0;
-		gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
+		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
 		/* Kick the link in case it is idling */
+		spin_lock_irqsave(&gsm->tx_lock, flags);
 		gsm_data_kick(gsm);
+		spin_unlock_irqrestore(&gsm->tx_lock, flags);
+		break;
+	case CMD_FCOFF:
+		/* Modem wants us to STFU */
+		gsm->constipated = 1;
+		gsm_control_reply(gsm, CMD_FCOFF, NULL, 0);
 		break;
 	case CMD_MSC:
 		/* Out of band modem line change indicator for a DLCI */
@@ -1668,7 +1677,7 @@ static void gsm_dlci_free(struct kref *ref)
 	dlci->gsm->dlci[dlci->addr] = NULL;
 	kfifo_free(dlci->fifo);
 	while ((dlci->skb = skb_dequeue(&dlci->skb_list)))
-		kfree_skb(dlci->skb);
+		dev_kfree_skb(dlci->skb);
 	kfree(dlci);
 }
 
@@ -2007,7 +2016,7 @@ void gsm_cleanup_mux(struct gsm_mux *gsm)
 {
 	int i;
 	struct gsm_dlci *dlci = gsm->dlci[0];
-	struct gsm_msg *txq;
+	struct gsm_msg *txq, *ntxq;
 	struct gsm_control *gc;
 
 	gsm->dead = 1;
@@ -2042,11 +2051,9 @@ void gsm_cleanup_mux(struct gsm_mux *gsm)
 		if (gsm->dlci[i])
 			gsm_dlci_release(gsm->dlci[i]);
 	/* Now wipe the queues */
-	for (txq = gsm->tx_head; txq != NULL; txq = gsm->tx_head) {
-		gsm->tx_head = txq->next;
+	list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
 		kfree(txq);
-	}
-	gsm->tx_tail = NULL;
+	INIT_LIST_HEAD(&gsm->tx_list);
 }
 EXPORT_SYMBOL_GPL(gsm_cleanup_mux);
 
@@ -2157,6 +2164,7 @@ struct gsm_mux *gsm_alloc_mux(void)
 	}
 	spin_lock_init(&gsm->lock);
 	kref_init(&gsm->ref);
+	INIT_LIST_HEAD(&gsm->tx_list);
 
 	gsm->t1 = T1;
 	gsm->t2 = T2;
@@ -2273,7 +2281,7 @@ static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
 			gsm->error(gsm, *dp, flags);
 			break;
 		default:
-			WARN_ONCE("%s: unknown flag %d\n",
+			WARN_ONCE(1, "%s: unknown flag %d\n",
 			       tty_name(tty, buf), flags);
 			break;
 		}
@@ -2377,12 +2385,12 @@ static void gsmld_write_wakeup(struct tty_struct *tty)
 
 	/* Queue poll */
 	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+	spin_lock_irqsave(&gsm->tx_lock, flags);
 	gsm_data_kick(gsm);
 	if (gsm->tx_bytes < TX_THRESH_LO) {
-		spin_lock_irqsave(&gsm->tx_lock, flags);
 		gsm_dlci_data_sweep(gsm);
-		spin_unlock_irqrestore(&gsm->tx_lock, flags);
 	}
+	spin_unlock_irqrestore(&gsm->tx_lock, flags);
 }
 
 /**
@@ -2889,6 +2897,10 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp)
 	gsm = gsm_mux[mux];
 	if (gsm->dead)
 		return -EL2HLT;
+	/* If DLCI 0 is not yet fully open return an error. This is ok from a locking
+	   perspective as we don't have to worry about this if DLCI0 is lost */
+	if (gsm->dlci[0] && gsm->dlci[0]->state != DLCI_OPEN) 
+		return -EL2NSYNC;
 	dlci = gsm->dlci[line];
 	if (dlci == NULL)
 		dlci = gsm_dlci_alloc(gsm, line);
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 39d6ab6..8481aae 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1728,7 +1728,8 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
 
 do_it_again:
 
-	BUG_ON(!tty->read_buf);
+	if (WARN_ON(!tty->read_buf))
+		return -EAGAIN;
 
 	c = job_control(tty, file);
 	if (c < 0)
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index 482d51e..e7d82c1 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -1118,6 +1118,8 @@ pci_xr17c154_setup(struct serial_private *priv,
 #define PCI_SUBDEVICE_ID_OCTPRO422	0x0208
 #define PCI_SUBDEVICE_ID_POCTAL232	0x0308
 #define PCI_SUBDEVICE_ID_POCTAL422	0x0408
+#define PCI_SUBDEVICE_ID_SIIG_DUAL_00	0x2500
+#define PCI_SUBDEVICE_ID_SIIG_DUAL_30	0x2530
 #define PCI_VENDOR_ID_ADVANTECH		0x13fe
 #define PCI_DEVICE_ID_INTEL_CE4100_UART 0x2e66
 #define PCI_DEVICE_ID_ADVANTECH_PCI3620	0x3620
@@ -3168,8 +3170,11 @@ static struct pci_device_id serial_pci_tbl[] = {
 		 * For now just used the hex ID 0x950a.
 		 */
 	{	PCI_VENDOR_ID_OXSEMI, 0x950a,
-		PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL, 0, 0,
-		pbn_b0_2_115200 },
+		PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_00,
+		0, 0, pbn_b0_2_115200 },
+	{	PCI_VENDOR_ID_OXSEMI, 0x950a,
+		PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_30,
+		0, 0, pbn_b0_2_115200 },
 	{	PCI_VENDOR_ID_OXSEMI, 0x950a,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_b0_2_1130000 },
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 6da8cf8..fe9f111 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1627,13 +1627,26 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
 			old_cr &= ~ST_UART011_CR_OVSFACT;
 	}
 
+	/*
+	 * Workaround for the ST Micro oversampling variants to
+	 * increase the bitrate slightly, by lowering the divisor,
+	 * to avoid delayed sampling of start bit at high speeds,
+	 * else we see data corruption.
+	 */
+	if (uap->vendor->oversampling) {
+		if ((baud >= 3000000) && (baud < 3250000) && (quot > 1))
+			quot -= 1;
+		else if ((baud > 3250000) && (quot > 2))
+			quot -= 2;
+	}
 	/* Set baud rate */
 	writew(quot & 0x3f, port->membase + UART011_FBRD);
 	writew(quot >> 6, port->membase + UART011_IBRD);
 
 	/*
 	 * ----------v----------v----------v----------v-----
-	 * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
+	 * NOTE: lcrh_tx and lcrh_rx MUST BE WRITTEN AFTER
+	 * UART011_FBRD & UART011_IBRD.
 	 * ----------^----------^----------^----------^-----
 	 */
 	writew(lcr_h, port->membase + uap->lcrh_rx);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a40ab98..4cddbfc 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1680,6 +1680,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 {
 	struct pci_dev	*pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
 	struct dev_info	*dev_info, *next;
+	struct xhci_cd  *cur_cd, *next_cd;
 	unsigned long	flags;
 	int size;
 	int i, j, num_ports;
@@ -1701,6 +1702,11 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
 		xhci_ring_free(xhci, xhci->cmd_ring);
 	xhci->cmd_ring = NULL;
 	xhci_dbg(xhci, "Freed command ring\n");
+	list_for_each_entry_safe(cur_cd, next_cd,
+			&xhci->cancel_cmd_list, cancel_cmd_list) {
+		list_del(&cur_cd->cancel_cmd_list);
+		kfree(cur_cd);
+	}
 
 	for (i = 1; i < MAX_HC_SLOTS; ++i)
 		xhci_free_virt_device(xhci, i);
@@ -2246,6 +2252,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags);
 	if (!xhci->cmd_ring)
 		goto fail;
+	INIT_LIST_HEAD(&xhci->cancel_cmd_list);
 	xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
 	xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
 			(unsigned long long)xhci->cmd_ring->first_seg->dma);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index bddcbfc..4ed7572 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -99,6 +99,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 		 * PPT chipsets.
 		 */
 		xhci->quirks |= XHCI_SPURIOUS_REBOOT;
+		xhci->quirks |= XHCI_AVOID_BEI;
 	}
 	if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
 			pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index c7c530c..950aef8 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -309,12 +309,123 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring,
 /* Ring the host controller doorbell after placing a command on the ring */
 void xhci_ring_cmd_db(struct xhci_hcd *xhci)
 {
+	if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING))
+		return;
+
 	xhci_dbg(xhci, "// Ding dong!\n");
 	xhci_writel(xhci, DB_VALUE_HOST, &xhci->dba->doorbell[0]);
 	/* Flush PCI posted writes */
 	xhci_readl(xhci, &xhci->dba->doorbell[0]);
 }
 
+static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
+{
+	u64 temp_64;
+	int ret;
+
+	xhci_dbg(xhci, "Abort command ring\n");
+
+	if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING)) {
+		xhci_dbg(xhci, "The command ring isn't running, "
+				"Have the command ring been stopped?\n");
+		return 0;
+	}
+
+	temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
+	if (!(temp_64 & CMD_RING_RUNNING)) {
+		xhci_dbg(xhci, "Command ring had been stopped\n");
+		return 0;
+	}
+	xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
+	xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
+			&xhci->op_regs->cmd_ring);
+
+	/* Section 4.6.1.2 of xHCI 1.0 spec says software should
+	 * time the completion od all xHCI commands, including
+	 * the Command Abort operation. If software doesn't see
+	 * CRR negated in a timely manner (e.g. longer than 5
+	 * seconds), then it should assume that the there are
+	 * larger problems with the xHC and assert HCRST.
+	 */
+	ret = handshake(xhci, &xhci->op_regs->cmd_ring,
+			CMD_RING_RUNNING, 0, 5 * 1000 * 1000);
+	if (ret < 0) {
+		xhci_err(xhci, "Stopped the command ring failed, "
+				"maybe the host is dead\n");
+		xhci->xhc_state |= XHCI_STATE_DYING;
+		xhci_quiesce(xhci);
+		xhci_halt(xhci);
+		return -ESHUTDOWN;
+	}
+
+	return 0;
+}
+
+static int xhci_queue_cd(struct xhci_hcd *xhci,
+		struct xhci_command *command,
+		union xhci_trb *cmd_trb)
+{
+	struct xhci_cd *cd;
+	cd = kzalloc(sizeof(struct xhci_cd), GFP_ATOMIC);
+	if (!cd)
+		return -ENOMEM;
+	INIT_LIST_HEAD(&cd->cancel_cmd_list);
+
+	cd->command = command;
+	cd->cmd_trb = cmd_trb;
+	list_add_tail(&cd->cancel_cmd_list, &xhci->cancel_cmd_list);
+
+	return 0;
+}
+
+/*
+ * Cancel the command which has issue.
+ *
+ * Some commands may hang due to waiting for acknowledgement from
+ * usb device. It is outside of the xHC's ability to control and
+ * will cause the command ring is blocked. When it occurs software
+ * should intervene to recover the command ring.
+ * See Section 4.6.1.1 and 4.6.1.2
+ */
+int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
+		union xhci_trb *cmd_trb)
+{
+	int retval = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&xhci->lock, flags);
+
+	if (xhci->xhc_state & XHCI_STATE_DYING) {
+		xhci_warn(xhci, "Abort the command ring,"
+				" but the xHCI is dead.\n");
+		retval = -ESHUTDOWN;
+		goto fail;
+	}
+
+	/* queue the cmd desriptor to cancel_cmd_list */
+	retval = xhci_queue_cd(xhci, command, cmd_trb);
+	if (retval) {
+		xhci_warn(xhci, "Queuing command descriptor failed.\n");
+		goto fail;
+	}
+
+	/* abort command ring */
+	retval = xhci_abort_cmd_ring(xhci);
+	if (retval) {
+		xhci_err(xhci, "Abort command ring failed\n");
+		if (unlikely(retval == -ESHUTDOWN)) {
+			spin_unlock_irqrestore(&xhci->lock, flags);
+			usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
+			xhci_dbg(xhci, "xHCI host controller is dead.\n");
+			return retval;
+		}
+	}
+
+fail:
+	spin_unlock_irqrestore(&xhci->lock, flags);
+	return retval;
+}
+
 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci,
 		unsigned int slot_id,
 		unsigned int ep_index,
@@ -1043,6 +1154,20 @@ static void handle_reset_ep_completion(struct xhci_hcd *xhci,
 	}
 }
 
+/* Complete the command and detele it from the devcie's command queue.
+ */
+static void xhci_complete_cmd_in_cmd_wait_list(struct xhci_hcd *xhci,
+		struct xhci_command *command, u32 status)
+{
+	command->status = status;
+	list_del(&command->cmd_list);
+	if (command->completion)
+		complete(command->completion);
+	else
+		xhci_free_command(xhci, command);
+}
+
+
 /* Check to see if a command in the device's command queue matches this one.
  * Signal the completion or free the command, and return 1.  Return 0 if the
  * completed command isn't at the head of the command list.
@@ -1061,15 +1186,144 @@ static int handle_cmd_in_cmd_wait_list(struct xhci_hcd *xhci,
 	if (xhci->cmd_ring->dequeue != command->command_trb)
 		return 0;
 
-	command->status = GET_COMP_CODE(le32_to_cpu(event->status));
-	list_del(&command->cmd_list);
-	if (command->completion)
-		complete(command->completion);
-	else
-		xhci_free_command(xhci, command);
+	xhci_complete_cmd_in_cmd_wait_list(xhci, command,
+			GET_COMP_CODE(le32_to_cpu(event->status)));
 	return 1;
 }
 
+/*
+ * Finding the command trb need to be cancelled and modifying it to
+ * NO OP command. And if the command is in device's command wait
+ * list, finishing and freeing it.
+ *
+ * If we can't find the command trb, we think it had already been
+ * executed.
+ */
+static void xhci_cmd_to_noop(struct xhci_hcd *xhci, struct xhci_cd *cur_cd)
+{
+	struct xhci_segment *cur_seg;
+	union xhci_trb *cmd_trb;
+	u32 cycle_state;
+
+	if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue)
+		return;
+
+	/* find the current segment of command ring */
+	cur_seg = find_trb_seg(xhci->cmd_ring->first_seg,
+			xhci->cmd_ring->dequeue, &cycle_state);
+
+	/* find the command trb matched by cd from command ring */
+	for (cmd_trb = xhci->cmd_ring->dequeue;
+			cmd_trb != xhci->cmd_ring->enqueue;
+			next_trb(xhci, xhci->cmd_ring, &cur_seg, &cmd_trb)) {
+		/* If the trb is link trb, continue */
+		if (TRB_TYPE_LINK_LE32(cmd_trb->generic.field[3]))
+			continue;
+
+		if (cur_cd->cmd_trb == cmd_trb) {
+
+			/* If the command in device's command list, we should
+			 * finish it and free the command structure.
+			 */
+			if (cur_cd->command)
+				xhci_complete_cmd_in_cmd_wait_list(xhci,
+					cur_cd->command, COMP_CMD_STOP);
+
+			/* get cycle state from the origin command trb */
+			cycle_state = le32_to_cpu(cmd_trb->generic.field[3])
+				& TRB_CYCLE;
+
+			/* modify the command trb to NO OP command */
+			cmd_trb->generic.field[0] = 0;
+			cmd_trb->generic.field[1] = 0;
+			cmd_trb->generic.field[2] = 0;
+			cmd_trb->generic.field[3] = cpu_to_le32(
+					TRB_TYPE(TRB_CMD_NOOP) | cycle_state);
+			break;
+		}
+	}
+}
+
+static void xhci_cancel_cmd_in_cd_list(struct xhci_hcd *xhci)
+{
+	struct xhci_cd *cur_cd, *next_cd;
+
+	if (list_empty(&xhci->cancel_cmd_list))
+		return;
+
+	list_for_each_entry_safe(cur_cd, next_cd,
+			&xhci->cancel_cmd_list, cancel_cmd_list) {
+		xhci_cmd_to_noop(xhci, cur_cd);
+		list_del(&cur_cd->cancel_cmd_list);
+		kfree(cur_cd);
+	}
+}
+
+/*
+ * traversing the cancel_cmd_list. If the command descriptor according
+ * to cmd_trb is found, the function free it and return 1, otherwise
+ * return 0.
+ */
+static int xhci_search_cmd_trb_in_cd_list(struct xhci_hcd *xhci,
+		union xhci_trb *cmd_trb)
+{
+	struct xhci_cd *cur_cd, *next_cd;
+
+	if (list_empty(&xhci->cancel_cmd_list))
+		return 0;
+
+	list_for_each_entry_safe(cur_cd, next_cd,
+			&xhci->cancel_cmd_list, cancel_cmd_list) {
+		if (cur_cd->cmd_trb == cmd_trb) {
+			if (cur_cd->command)
+				xhci_complete_cmd_in_cmd_wait_list(xhci,
+					cur_cd->command, COMP_CMD_STOP);
+			list_del(&cur_cd->cancel_cmd_list);
+			kfree(cur_cd);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * If the cmd_trb_comp_code is COMP_CMD_ABORT, we just check whether the
+ * trb pointed by the command ring dequeue pointer is the trb we want to
+ * cancel or not. And if the cmd_trb_comp_code is COMP_CMD_STOP, we will
+ * traverse the cancel_cmd_list to trun the all of the commands according
+ * to command descriptor to NO-OP trb.
+ */
+static int handle_stopped_cmd_ring(struct xhci_hcd *xhci,
+		int cmd_trb_comp_code)
+{
+	int cur_trb_is_good = 0;
+
+	/* Searching the cmd trb pointed by the command ring dequeue
+	 * pointer in command descriptor list. If it is found, free it.
+	 */
+	cur_trb_is_good = xhci_search_cmd_trb_in_cd_list(xhci,
+			xhci->cmd_ring->dequeue);
+
+	if (cmd_trb_comp_code == COMP_CMD_ABORT)
+		xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+	else if (cmd_trb_comp_code == COMP_CMD_STOP) {
+		/* traversing the cancel_cmd_list and canceling
+		 * the command according to command descriptor
+		 */
+		xhci_cancel_cmd_in_cd_list(xhci);
+
+		xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
+		/*
+		 * ring command ring doorbell again to restart the
+		 * command ring
+		 */
+		if (xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue)
+			xhci_ring_cmd_db(xhci);
+	}
+	return cur_trb_is_good;
+}
+
 static void handle_cmd_completion(struct xhci_hcd *xhci,
 		struct xhci_event_cmd *event)
 {
@@ -1095,6 +1349,22 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
 		xhci->error_bitmask |= 1 << 5;
 		return;
 	}
+
+	if ((GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_ABORT) ||
+		(GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_STOP)) {
+		/* If the return value is 0, we think the trb pointed by
+		 * command ring dequeue pointer is a good trb. The good
+		 * trb means we don't want to cancel the trb, but it have
+		 * been stopped by host. So we should handle it normally.
+		 * Otherwise, driver should invoke inc_deq() and return.
+		 */
+		if (handle_stopped_cmd_ring(xhci,
+				GET_COMP_CODE(le32_to_cpu(event->status)))) {
+			inc_deq(xhci, xhci->cmd_ring, false);
+			return;
+		}
+	}
+
 	switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3])
 		& TRB_TYPE_BITMASK) {
 	case TRB_TYPE(TRB_ENABLE_SLOT):
@@ -3356,7 +3626,9 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 			} else {
 				td->last_trb = ep_ring->enqueue;
 				field |= TRB_IOC;
-				if (xhci->hci_version == 0x100) {
+				if (xhci->hci_version == 0x100 &&
+						!(xhci->quirks &
+							XHCI_AVOID_BEI)) {
 					/* Set BEI bit except for the last td */
 					if (i < num_tds - 1)
 						field |= TRB_BEI;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 09872ee..f5c0f38 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -52,7 +52,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clear the chain bit on a link TRB");
  * handshake done).  There are two failure modes:  "usec" have passed (major
  * hardware flakeout), or the register reads as all-ones (hardware removed).
  */
-static int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
 		      u32 mask, u32 done, int usec)
 {
 	u32	result;
@@ -105,8 +105,12 @@ int xhci_halt(struct xhci_hcd *xhci)
 
 	ret = handshake(xhci, &xhci->op_regs->status,
 			STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC);
-	if (!ret)
+	if (!ret) {
 		xhci->xhc_state |= XHCI_STATE_HALTED;
+		xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+	} else
+		xhci_warn(xhci, "Host not halted after %u microseconds.\n",
+				XHCI_MAX_HALT_USEC);
 	return ret;
 }
 
@@ -459,6 +463,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
 
 	dmi_product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
 	dmi_sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+	if (!dmi_product_name || !dmi_sys_vendor)
+		return false;
 
 	if (!(strstr(dmi_sys_vendor, "Hewlett-Packard")))
 		return false;
@@ -570,6 +576,7 @@ static int xhci_run_finished(struct xhci_hcd *xhci)
 		return -ENODEV;
 	}
 	xhci->shared_hcd->state = HC_STATE_RUNNING;
+	xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
 
 	if (xhci->quirks & XHCI_NEC_HOST)
 		xhci_ring_cmd_db(xhci);
@@ -874,7 +881,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
 	command &= ~CMD_RUN;
 	xhci_writel(xhci, command, &xhci->op_regs->command);
 	if (handshake(xhci, &xhci->op_regs->status,
-		      STS_HALT, STS_HALT, 100*100)) {
+		      STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
 		xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
 		spin_unlock_irq(&xhci->lock);
 		return -ETIMEDOUT;
@@ -2506,6 +2513,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 	struct completion *cmd_completion;
 	u32 *cmd_status;
 	struct xhci_virt_device *virt_dev;
+	union xhci_trb *cmd_trb;
 
 	spin_lock_irqsave(&xhci->lock, flags);
 	virt_dev = xhci->devs[udev->slot_id];
@@ -2551,6 +2559,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 	}
 	init_completion(cmd_completion);
 
+	cmd_trb = xhci->cmd_ring->dequeue;
 	if (!ctx_change)
 		ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
 				udev->slot_id, must_succeed);
@@ -2572,14 +2581,17 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 	/* Wait for the configure endpoint command to complete */
 	timeleft = wait_for_completion_interruptible_timeout(
 			cmd_completion,
-			USB_CTRL_SET_TIMEOUT);
+			XHCI_CMD_DEFAULT_TIMEOUT);
 	if (timeleft <= 0) {
 		xhci_warn(xhci, "%s while waiting for %s command\n",
 				timeleft == 0 ? "Timeout" : "Signal",
 				ctx_change == 0 ?
 					"configure endpoint" :
 					"evaluate context");
-		/* FIXME cancel the configure endpoint command */
+		/* cancel the configure endpoint command */
+		ret = xhci_cancel_cmd(xhci, command, cmd_trb);
+		if (ret < 0)
+			return ret;
 		return -ETIME;
 	}
 
@@ -3528,8 +3540,10 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
 	unsigned long flags;
 	int timeleft;
 	int ret;
+	union xhci_trb *cmd_trb;
 
 	spin_lock_irqsave(&xhci->lock, flags);
+	cmd_trb = xhci->cmd_ring->dequeue;
 	ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0);
 	if (ret) {
 		spin_unlock_irqrestore(&xhci->lock, flags);
@@ -3541,12 +3555,12 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
 
 	/* XXX: how much time for xHC slot assignment? */
 	timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev,
-			USB_CTRL_SET_TIMEOUT);
+			XHCI_CMD_DEFAULT_TIMEOUT);
 	if (timeleft <= 0) {
 		xhci_warn(xhci, "%s while waiting for a slot\n",
 				timeleft == 0 ? "Timeout" : "Signal");
-		/* FIXME cancel the enable slot request */
-		return 0;
+		/* cancel the enable slot request */
+		return xhci_cancel_cmd(xhci, NULL, cmd_trb);
 	}
 
 	if (!xhci->slot_id) {
@@ -3607,6 +3621,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	struct xhci_slot_ctx *slot_ctx;
 	struct xhci_input_control_ctx *ctrl_ctx;
 	u64 temp_64;
+	union xhci_trb *cmd_trb;
 
 	if (!udev->slot_id) {
 		xhci_dbg(xhci, "Bad Slot ID %d\n", udev->slot_id);
@@ -3645,6 +3660,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
 
 	spin_lock_irqsave(&xhci->lock, flags);
+	cmd_trb = xhci->cmd_ring->dequeue;
 	ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma,
 					udev->slot_id);
 	if (ret) {
@@ -3657,7 +3673,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 
 	/* ctrl tx can take up to 5 sec; XXX: need more time for xHC? */
 	timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev,
-			USB_CTRL_SET_TIMEOUT);
+			XHCI_CMD_DEFAULT_TIMEOUT);
 	/* FIXME: From section 4.3.4: "Software shall be responsible for timing
 	 * the SetAddress() "recovery interval" required by USB and aborting the
 	 * command on a timeout.
@@ -3665,7 +3681,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	if (timeleft <= 0) {
 		xhci_warn(xhci, "%s while waiting for address device command\n",
 				timeleft == 0 ? "Timeout" : "Signal");
-		/* FIXME cancel the address device command */
+		/* cancel the address device command */
+		ret = xhci_cancel_cmd(xhci, NULL, cmd_trb);
+		if (ret < 0)
+			return ret;
 		return -ETIME;
 	}
 
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 44d518a..cc368c2 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1255,6 +1255,16 @@ struct xhci_td {
 	union xhci_trb		*last_trb;
 };
 
+/* xHCI command default timeout value */
+#define XHCI_CMD_DEFAULT_TIMEOUT	(5 * HZ)
+
+/* command descriptor */
+struct xhci_cd {
+	struct list_head	cancel_cmd_list;
+	struct xhci_command	*command;
+	union xhci_trb		*cmd_trb;
+};
+
 struct xhci_dequeue_state {
 	struct xhci_segment *new_deq_seg;
 	union xhci_trb *new_deq_ptr;
@@ -1402,6 +1412,11 @@ struct xhci_hcd {
 	/* data structures */
 	struct xhci_device_context_array *dcbaa;
 	struct xhci_ring	*cmd_ring;
+	unsigned int            cmd_ring_state;
+#define CMD_RING_STATE_RUNNING         (1 << 0)
+#define CMD_RING_STATE_ABORTED         (1 << 1)
+#define CMD_RING_STATE_STOPPED         (1 << 2)
+	struct list_head        cancel_cmd_list;
 	unsigned int		cmd_ring_reserved_trbs;
 	struct xhci_ring	*event_ring;
 	struct xhci_erst	erst;
@@ -1473,6 +1488,7 @@ struct xhci_hcd {
 #define XHCI_TRUST_TX_LENGTH	(1 << 10)
 #define XHCI_SPURIOUS_REBOOT	(1 << 13)
 #define XHCI_COMP_MODE_QUIRK	(1 << 14)
+#define XHCI_AVOID_BEI		(1 << 15)
 	unsigned int		num_active_eps;
 	unsigned int		limit_active_eps;
 	/* There are two roothubs to keep track of bus suspend info for */
@@ -1666,6 +1682,8 @@ static inline void xhci_unregister_pci(void) {}
 
 /* xHCI host controller glue */
 typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
+int handshake(struct xhci_hcd *xhci, void __iomem *ptr,
+		u32 mask, u32 done, int usec);
 void xhci_quiesce(struct xhci_hcd *xhci);
 int xhci_halt(struct xhci_hcd *xhci);
 int xhci_reset(struct xhci_hcd *xhci);
@@ -1756,6 +1774,8 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci,
 		unsigned int slot_id, unsigned int ep_index,
 		struct xhci_dequeue_state *deq_state);
 void xhci_stop_endpoint_command_watchdog(unsigned long arg);
+int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
+		union xhci_trb *cmd_trb);
 void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
 		unsigned int ep_index, unsigned int stream_id);
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7324bea..e29a664 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -584,6 +584,8 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	/*
 	 * ELV devices:
 	 */
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 06f6fd2..7b5eb74 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -517,6 +517,11 @@
  */
 #define FTDI_TAVIR_STK500_PID	0xFA33	/* STK500 AVR programmer */
 
+/*
+ * TIAO product ids (FTDI_VID)
+ * http://www.tiaowiki.com/w/Main_Page
+ */
+#define FTDI_TIAO_UMPA_PID	0x8a98	/* TIAO/DIYGADGET USB Multi-Protocol Adapter */
 

 /********************************/
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c068b4d..3fd4e6f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -870,7 +870,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
index a348198..87271e3 100644
--- a/drivers/usb/serial/qcaux.c
+++ b/drivers/usb/serial/qcaux.c
@@ -36,8 +36,6 @@
 #define UTSTARCOM_PRODUCT_UM175_V1		0x3712
 #define UTSTARCOM_PRODUCT_UM175_V2		0x3714
 #define UTSTARCOM_PRODUCT_UM175_ALLTEL		0x3715
-#define PANTECH_PRODUCT_UML190_VZW		0x3716
-#define PANTECH_PRODUCT_UML290_VZW		0x3718
 
 /* CMOTECH devices */
 #define CMOTECH_VENDOR_ID			0x16d8
@@ -68,11 +66,9 @@ static struct usb_device_id id_table[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xfe, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfd, 0xff) },  /* NMEA */
-	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfe, 0xff) },  /* WMC */
-	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) },  /* DIAG */
+	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfd, 0xff) },  /* NMEA */
+	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) },  /* WMC */
+	{ USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) },  /* DIAG */
 	{ },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index f55ae23..790fa63 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -392,10 +392,12 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
 		ino->flags |= AUTOFS_INF_PENDING;
 		spin_unlock(&sbi->fs_lock);
 		status = autofs4_mount_wait(dentry);
-		if (status)
-			return ERR_PTR(status);
 		spin_lock(&sbi->fs_lock);
 		ino->flags &= ~AUTOFS_INF_PENDING;
+		if (status) {
+			spin_unlock(&sbi->fs_lock);
+			return ERR_PTR(status);
+		}
 	}
 done:
 	if (!(ino->flags & AUTOFS_INF_EXPIRING)) {
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 6ff96c6..8dd615c 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1668,30 +1668,19 @@ static int elf_note_info_init(struct elf_note_info *info)
 		return 0;
 	info->psinfo = kmalloc(sizeof(*info->psinfo), GFP_KERNEL);
 	if (!info->psinfo)
-		goto notes_free;
+		return 0;
 	info->prstatus = kmalloc(sizeof(*info->prstatus), GFP_KERNEL);
 	if (!info->prstatus)
-		goto psinfo_free;
+		return 0;
 	info->fpu = kmalloc(sizeof(*info->fpu), GFP_KERNEL);
 	if (!info->fpu)
-		goto prstatus_free;
+		return 0;
 #ifdef ELF_CORE_COPY_XFPREGS
 	info->xfpu = kmalloc(sizeof(*info->xfpu), GFP_KERNEL);
 	if (!info->xfpu)
-		goto fpu_free;
+		return 0;
 #endif
 	return 1;
-#ifdef ELF_CORE_COPY_XFPREGS
- fpu_free:
-	kfree(info->fpu);
-#endif
- prstatus_free:
-	kfree(info->prstatus);
- psinfo_free:
-	kfree(info->psinfo);
- notes_free:
-	kfree(info->notes);
-	return 0;
 }
 
 static int fill_note_info(struct elfhdr *elf, int phdrs,
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index a9f29b1..2262a77 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -559,6 +559,8 @@ struct ecryptfs_open_req {
 struct inode *ecryptfs_get_inode(struct inode *lower_inode,
 				 struct super_block *sb);
 void ecryptfs_i_size_init(const char *page_virt, struct inode *inode);
+int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
+			     struct inode *ecryptfs_inode);
 int ecryptfs_decode_and_decrypt_filename(char **decrypted_name,
 					 size_t *decrypted_name_size,
 					 struct dentry *ecryptfs_dentry,
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index d3f95f9..841f24f 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -139,29 +139,50 @@ out:
 	return rc;
 }
 
-static void ecryptfs_vma_close(struct vm_area_struct *vma)
-{
-	filemap_write_and_wait(vma->vm_file->f_mapping);
-}
-
-static const struct vm_operations_struct ecryptfs_file_vm_ops = {
-	.close		= ecryptfs_vma_close,
-	.fault		= filemap_fault,
-};
+struct kmem_cache *ecryptfs_file_info_cache;
 
-static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+static int read_or_initialize_metadata(struct dentry *dentry)
 {
+	struct inode *inode = dentry->d_inode;
+	struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
+	struct ecryptfs_crypt_stat *crypt_stat;
 	int rc;
 
-	rc = generic_file_mmap(file, vma);
+	crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
+	mount_crypt_stat = &ecryptfs_superblock_to_private(
+						inode->i_sb)->mount_crypt_stat;
+	mutex_lock(&crypt_stat->cs_mutex);
+
+	if (crypt_stat->flags & ECRYPTFS_POLICY_APPLIED &&
+	    crypt_stat->flags & ECRYPTFS_KEY_VALID) {
+		rc = 0;
+		goto out;
+	}
+
+	rc = ecryptfs_read_metadata(dentry);
 	if (!rc)
-		vma->vm_ops = &ecryptfs_file_vm_ops;
+		goto out;
+
+	if (mount_crypt_stat->flags & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED) {
+		crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
+				       | ECRYPTFS_ENCRYPTED);
+		rc = 0;
+		goto out;
+	}
+
+	if (!(mount_crypt_stat->flags & ECRYPTFS_XATTR_METADATA_ENABLED) &&
+	    !i_size_read(ecryptfs_inode_to_lower(inode))) {
+		rc = ecryptfs_initialize_file(dentry, inode);
+		if (!rc)
+			goto out;
+	}
 
+	rc = -EIO;
+out:
+	mutex_unlock(&crypt_stat->cs_mutex);
 	return rc;
 }
 
-struct kmem_cache *ecryptfs_file_info_cache;
-
 /**
  * ecryptfs_open
  * @inode: inode speciying file to open
@@ -237,32 +258,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
 		rc = 0;
 		goto out;
 	}
-	mutex_lock(&crypt_stat->cs_mutex);
-	if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED)
-	    || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) {
-		rc = ecryptfs_read_metadata(ecryptfs_dentry);
-		if (rc) {
-			ecryptfs_printk(KERN_DEBUG,
-					"Valid headers not found\n");
-			if (!(mount_crypt_stat->flags
-			      & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) {
-				rc = -EIO;
-				printk(KERN_WARNING "Either the lower file "
-				       "is not in a valid eCryptfs format, "
-				       "or the key could not be retrieved. "
-				       "Plaintext passthrough mode is not "
-				       "enabled; returning -EIO\n");
-				mutex_unlock(&crypt_stat->cs_mutex);
-				goto out_put;
-			}
-			rc = 0;
-			crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
-					       | ECRYPTFS_ENCRYPTED);
-			mutex_unlock(&crypt_stat->cs_mutex);
-			goto out;
-		}
-	}
-	mutex_unlock(&crypt_stat->cs_mutex);
+	rc = read_or_initialize_metadata(ecryptfs_dentry);
+	if (rc)
+		goto out_put;
 	ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = "
 			"[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino,
 			(unsigned long long)i_size_read(inode));
@@ -278,8 +276,14 @@ out:
 
 static int ecryptfs_flush(struct file *file, fl_owner_t td)
 {
-	return file->f_mode & FMODE_WRITE
-	       ? filemap_write_and_wait(file->f_mapping) : 0;
+	struct file *lower_file = ecryptfs_file_to_lower(file);
+
+	if (lower_file->f_op && lower_file->f_op->flush) {
+		filemap_write_and_wait(file->f_mapping);
+		return lower_file->f_op->flush(lower_file, td);
+	}
+
+	return 0;
 }
 
 static int ecryptfs_release(struct inode *inode, struct file *file)
@@ -293,15 +297,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file)
 static int
 ecryptfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
-	int rc = 0;
-
-	rc = generic_file_fsync(file, start, end, datasync);
-	if (rc)
-		goto out;
-	rc = vfs_fsync_range(ecryptfs_file_to_lower(file), start, end,
-			     datasync);
-out:
-	return rc;
+	return vfs_fsync(ecryptfs_file_to_lower(file), datasync);
 }
 
 static int ecryptfs_fasync(int fd, struct file *file, int flag)
@@ -370,7 +366,7 @@ const struct file_operations ecryptfs_main_fops = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = ecryptfs_compat_ioctl,
 #endif
-	.mmap = ecryptfs_file_mmap,
+	.mmap = generic_file_mmap,
 	.open = ecryptfs_open,
 	.flush = ecryptfs_flush,
 	.release = ecryptfs_release,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 7c7556b..a9be90d 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -161,6 +161,31 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode,
 	return vfs_create(lower_dir_inode, lower_dentry, mode, NULL);
 }
 
+static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry,
+			      struct inode *inode)
+{
+	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+	struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
+	struct dentry *lower_dir_dentry;
+	int rc;
+
+	dget(lower_dentry);
+	lower_dir_dentry = lock_parent(lower_dentry);
+	rc = vfs_unlink(lower_dir_inode, lower_dentry);
+	if (rc) {
+		printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
+		goto out_unlock;
+	}
+	fsstack_copy_attr_times(dir, lower_dir_inode);
+	set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink);
+	inode->i_ctime = dir->i_ctime;
+	d_drop(dentry);
+out_unlock:
+	unlock_dir(lower_dir_dentry);
+	dput(lower_dentry);
+	return rc;
+}
+
 /**
  * ecryptfs_do_create
  * @directory_inode: inode of the new file's dentry's parent in ecryptfs
@@ -201,8 +226,10 @@ ecryptfs_do_create(struct inode *directory_inode,
 	}
 	inode = __ecryptfs_get_inode(lower_dentry->d_inode,
 				     directory_inode->i_sb);
-	if (IS_ERR(inode))
+	if (IS_ERR(inode)) {
+		vfs_unlink(lower_dir_dentry->d_inode, lower_dentry);
 		goto out_lock;
+	}
 	fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode);
 	fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode);
 out_lock:
@@ -219,8 +246,8 @@ out:
  *
  * Returns zero on success
  */
-static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
-				    struct inode *ecryptfs_inode)
+int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
+			     struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
 		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
@@ -284,7 +311,9 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,
 	 * that this on disk file is prepared to be an ecryptfs file */
 	rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode);
 	if (rc) {
-		drop_nlink(ecryptfs_inode);
+		ecryptfs_do_unlink(directory_inode, ecryptfs_dentry,
+				   ecryptfs_inode);
+		make_bad_inode(ecryptfs_inode);
 		unlock_new_inode(ecryptfs_inode);
 		iput(ecryptfs_inode);
 		goto out;
@@ -496,27 +525,7 @@ out_lock:
 
 static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry)
 {
-	int rc = 0;
-	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
-	struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
-	struct dentry *lower_dir_dentry;
-
-	dget(lower_dentry);
-	lower_dir_dentry = lock_parent(lower_dentry);
-	rc = vfs_unlink(lower_dir_inode, lower_dentry);
-	if (rc) {
-		printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
-		goto out_unlock;
-	}
-	fsstack_copy_attr_times(dir, lower_dir_inode);
-	set_nlink(dentry->d_inode,
-		  ecryptfs_inode_to_lower(dentry->d_inode)->i_nlink);
-	dentry->d_inode->i_ctime = dir->i_ctime;
-	d_drop(dentry);
-out_unlock:
-	unlock_dir(lower_dir_dentry);
-	dput(lower_dentry);
-	return rc;
+	return ecryptfs_do_unlink(dir, dentry, dentry->d_inode);
 }
 
 static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry,
@@ -1026,12 +1035,6 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
 			goto out;
 	}
 
-	if (S_ISREG(inode->i_mode)) {
-		rc = filemap_write_and_wait(inode->i_mapping);
-		if (rc)
-			goto out;
-		fsstack_copy_attr_all(inode, lower_inode);
-	}
 	memcpy(&lower_ia, ia, sizeof(lower_ia));
 	if (ia->ia_valid & ATTR_FILE)
 		lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index b4a6bef..1cfef9f 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -162,6 +162,7 @@ void ecryptfs_put_lower_file(struct inode *inode)
 	inode_info = ecryptfs_inode_to_private(inode);
 	if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count,
 				      &inode_info->lower_file_mutex)) {
+		filemap_write_and_wait(inode->i_mapping);
 		fput(inode_info->lower_file);
 		inode_info->lower_file = NULL;
 		mutex_unlock(&inode_info->lower_file_mutex);
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 6a44148..93a998a 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -62,18 +62,6 @@ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc)
 {
 	int rc;
 
-	/*
-	 * Refuse to write the page out if we are called from reclaim context
-	 * since our writepage() path may potentially allocate memory when
-	 * calling into the lower fs vfs_write() which may in turn invoke
-	 * us again.
-	 */
-	if (current->flags & PF_MEMALLOC) {
-		redirty_page_for_writepage(wbc, page);
-		rc = 0;
-		goto out;
-	}
-
 	rc = ecryptfs_encrypt_page(page);
 	if (rc) {
 		ecryptfs_printk(KERN_WARNING, "Error encrypting "
@@ -498,7 +486,6 @@ static int ecryptfs_write_end(struct file *file,
 	struct ecryptfs_crypt_stat *crypt_stat =
 		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	int rc;
-	int need_unlock_page = 1;
 
 	ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page"
 			"(page w/ index = [0x%.16lx], to = [%d])\n", index, to);
@@ -519,26 +506,26 @@ static int ecryptfs_write_end(struct file *file,
 			"zeros in page with index = [0x%.16lx]\n", index);
 		goto out;
 	}
-	set_page_dirty(page);
-	unlock_page(page);
-	need_unlock_page = 0;
+	rc = ecryptfs_encrypt_page(page);
+	if (rc) {
+		ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper "
+				"index [0x%.16lx])\n", index);
+		goto out;
+	}
 	if (pos + copied > i_size_read(ecryptfs_inode)) {
 		i_size_write(ecryptfs_inode, pos + copied);
 		ecryptfs_printk(KERN_DEBUG, "Expanded file size to "
 			"[0x%.16llx]\n",
 			(unsigned long long)i_size_read(ecryptfs_inode));
-		balance_dirty_pages_ratelimited(mapping);
-		rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode);
-		if (rc) {
-			printk(KERN_ERR "Error writing inode size to metadata; "
-			       "rc = [%d]\n", rc);
-			goto out;
-		}
 	}
-	rc = copied;
+	rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode);
+	if (rc)
+		printk(KERN_ERR "Error writing inode size to metadata; "
+		       "rc = [%d]\n", rc);
+	else
+		rc = copied;
 out:
-	if (need_unlock_page)
-		unlock_page(page);
+	unlock_page(page);
 	page_cache_release(page);
 	return rc;
 }
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8b01f9f..bac2330 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2382,6 +2382,16 @@ static int ext4_nonda_switch(struct super_block *sb)
 	free_blocks  = EXT4_C2B(sbi,
 		percpu_counter_read_positive(&sbi->s_freeclusters_counter));
 	dirty_blocks = percpu_counter_read_positive(&sbi->s_dirtyclusters_counter);
+	/*
+	 * Start pushing delalloc when 1/2 of free blocks are dirty.
+	 */
+	if (dirty_blocks && (free_blocks < 2 * dirty_blocks) &&
+	    !writeback_in_progress(sb->s_bdi) &&
+	    down_read_trylock(&sb->s_umount)) {
+		writeback_inodes_sb(sb, WB_REASON_FS_FREE_SPACE);
+		up_read(&sb->s_umount);
+	}
+
 	if (2 * free_blocks < 3 * dirty_blocks ||
 		free_blocks < (dirty_blocks + EXT4_FREECLUSTERS_WATERMARK)) {
 		/*
@@ -2390,13 +2400,6 @@ static int ext4_nonda_switch(struct super_block *sb)
 		 */
 		return 1;
 	}
-	/*
-	 * Even if we don't switch but are nearing capacity,
-	 * start pushing delalloc when 1/2 of free blocks are dirty.
-	 */
-	if (free_blocks < 2 * dirty_blocks)
-		writeback_inodes_sb_if_idle(sb, WB_REASON_FS_FREE_SPACE);
-
 	return 0;
 }
 
@@ -4004,6 +4007,7 @@ static int ext4_do_update_inode(handle_t *handle,
 	struct ext4_inode_info *ei = EXT4_I(inode);
 	struct buffer_head *bh = iloc->bh;
 	int err = 0, rc, block;
+	int need_datasync = 0;
 
 	/* For fields not not tracking in the in-memory inode,
 	 * initialise them to zero for new inodes. */
@@ -4052,7 +4056,10 @@ static int ext4_do_update_inode(handle_t *handle,
 		raw_inode->i_file_acl_high =
 			cpu_to_le16(ei->i_file_acl >> 32);
 	raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl);
-	ext4_isize_set(raw_inode, ei->i_disksize);
+	if (ei->i_disksize != ext4_isize(raw_inode)) {
+		ext4_isize_set(raw_inode, ei->i_disksize);
+		need_datasync = 1;
+	}
 	if (ei->i_disksize > 0x7fffffffULL) {
 		struct super_block *sb = inode->i_sb;
 		if (!EXT4_HAS_RO_COMPAT_FEATURE(sb,
@@ -4105,7 +4112,7 @@ static int ext4_do_update_inode(handle_t *handle,
 		err = rc;
 	ext4_clear_inode_state(inode, EXT4_STATE_NEW);
 
-	ext4_update_inode_fsync_trans(handle, inode, 0);
+	ext4_update_inode_fsync_trans(handle, inode, need_datasync);
 out_brelse:
 	brelse(bh);
 	ext4_std_error(inode->i_sb, err);
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index c5826c6..e2016f3 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -141,55 +141,21 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
 }
 
 /**
- * mext_check_null_inode - NULL check for two inodes
- *
- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
- */
-static int
-mext_check_null_inode(struct inode *inode1, struct inode *inode2,
-		      const char *function, unsigned int line)
-{
-	int ret = 0;
-
-	if (inode1 == NULL) {
-		__ext4_error(inode2->i_sb, function, line,
-			"Both inodes should not be NULL: "
-			"inode1 NULL inode2 %lu", inode2->i_ino);
-		ret = -EIO;
-	} else if (inode2 == NULL) {
-		__ext4_error(inode1->i_sb, function, line,
-			"Both inodes should not be NULL: "
-			"inode1 %lu inode2 NULL", inode1->i_ino);
-		ret = -EIO;
-	}
-	return ret;
-}
-
-/**
  * double_down_write_data_sem - Acquire two inodes' write lock of i_data_sem
  *
- * @orig_inode:		original inode structure
- * @donor_inode:	donor inode structure
- * Acquire write lock of i_data_sem of the two inodes (orig and donor) by
- * i_ino order.
+ * Acquire write lock of i_data_sem of the two inodes
  */
 static void
-double_down_write_data_sem(struct inode *orig_inode, struct inode *donor_inode)
+double_down_write_data_sem(struct inode *first, struct inode *second)
 {
-	struct inode *first = orig_inode, *second = donor_inode;
+	if (first < second) {
+		down_write(&EXT4_I(first)->i_data_sem);
+		down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING);
+	} else {
+		down_write(&EXT4_I(second)->i_data_sem);
+		down_write_nested(&EXT4_I(first)->i_data_sem, SINGLE_DEPTH_NESTING);
 
-	/*
-	 * Use the inode number to provide the stable locking order instead
-	 * of its address, because the C language doesn't guarantee you can
-	 * compare pointers that don't come from the same array.
-	 */
-	if (donor_inode->i_ino < orig_inode->i_ino) {
-		first = donor_inode;
-		second = orig_inode;
 	}
-
-	down_write(&EXT4_I(first)->i_data_sem);
-	down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING);
 }
 
 /**
@@ -969,14 +935,6 @@ mext_check_arguments(struct inode *orig_inode,
 		return -EINVAL;
 	}
 
-	/* Files should be in the same ext4 FS */
-	if (orig_inode->i_sb != donor_inode->i_sb) {
-		ext4_debug("ext4 move extent: The argument files "
-			"should be in same FS [ino:orig %lu, donor %lu]\n",
-			orig_inode->i_ino, donor_inode->i_ino);
-		return -EINVAL;
-	}
-
 	/* Ext4 move extent supports only extent based file */
 	if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) {
 		ext4_debug("ext4 move extent: orig file is not extents "
@@ -1072,35 +1030,19 @@ mext_check_arguments(struct inode *orig_inode,
  * @inode1:	the inode structure
  * @inode2:	the inode structure
  *
- * Lock two inodes' i_mutex by i_ino order.
- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
+ * Lock two inodes' i_mutex
  */
-static int
+static void
 mext_inode_double_lock(struct inode *inode1, struct inode *inode2)
 {
-	int ret = 0;
-
-	BUG_ON(inode1 == NULL && inode2 == NULL);
-
-	ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__);
-	if (ret < 0)
-		goto out;
-
-	if (inode1 == inode2) {
-		mutex_lock(&inode1->i_mutex);
-		goto out;
-	}
-
-	if (inode1->i_ino < inode2->i_ino) {
+	BUG_ON(inode1 == inode2);
+	if (inode1 < inode2) {
 		mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT);
 		mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD);
 	} else {
 		mutex_lock_nested(&inode2->i_mutex, I_MUTEX_PARENT);
 		mutex_lock_nested(&inode1->i_mutex, I_MUTEX_CHILD);
 	}
-
-out:
-	return ret;
 }
 
 /**
@@ -1109,28 +1051,13 @@ out:
  * @inode1:     the inode that is released first
  * @inode2:     the inode that is released second
  *
- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
  */
 
-static int
+static void
 mext_inode_double_unlock(struct inode *inode1, struct inode *inode2)
 {
-	int ret = 0;
-
-	BUG_ON(inode1 == NULL && inode2 == NULL);
-
-	ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__);
-	if (ret < 0)
-		goto out;
-
-	if (inode1)
-		mutex_unlock(&inode1->i_mutex);
-
-	if (inode2 && inode2 != inode1)
-		mutex_unlock(&inode2->i_mutex);
-
-out:
-	return ret;
+	mutex_unlock(&inode1->i_mutex);
+	mutex_unlock(&inode2->i_mutex);
 }
 
 /**
@@ -1187,16 +1114,23 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 	ext4_lblk_t block_end, seq_start, add_blocks, file_end, seq_blocks = 0;
 	ext4_lblk_t rest_blocks;
 	pgoff_t orig_page_offset = 0, seq_end_page;
-	int ret1, ret2, depth, last_extent = 0;
+	int ret, depth, last_extent = 0;
 	int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits;
 	int data_offset_in_page;
 	int block_len_in_page;
 	int uninit;
 
-	/* orig and donor should be different file */
-	if (orig_inode->i_ino == donor_inode->i_ino) {
+	if (orig_inode->i_sb != donor_inode->i_sb) {
+		ext4_debug("ext4 move extent: The argument files "
+			"should be in same FS [ino:orig %lu, donor %lu]\n",
+			orig_inode->i_ino, donor_inode->i_ino);
+		return -EINVAL;
+	}
+
+	/* orig and donor should be different inodes */
+	if (orig_inode == donor_inode) {
 		ext4_debug("ext4 move extent: The argument files should not "
-			"be same file [ino:orig %lu, donor %lu]\n",
+			"be same inode [ino:orig %lu, donor %lu]\n",
 			orig_inode->i_ino, donor_inode->i_ino);
 		return -EINVAL;
 	}
@@ -1208,18 +1142,21 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 			orig_inode->i_ino, donor_inode->i_ino);
 		return -EINVAL;
 	}
-
+	/* TODO: This is non obvious task to swap blocks for inodes with full
+	   jornaling enabled */
+	if (ext4_should_journal_data(orig_inode) ||
+	    ext4_should_journal_data(donor_inode)) {
+		return -EINVAL;
+	}
 	/* Protect orig and donor inodes against a truncate */
-	ret1 = mext_inode_double_lock(orig_inode, donor_inode);
-	if (ret1 < 0)
-		return ret1;
+	mext_inode_double_lock(orig_inode, donor_inode);
 
 	/* Protect extent tree against block allocations via delalloc */
 	double_down_write_data_sem(orig_inode, donor_inode);
 	/* Check the filesystem environment whether move_extent can be done */
-	ret1 = mext_check_arguments(orig_inode, donor_inode, orig_start,
+	ret = mext_check_arguments(orig_inode, donor_inode, orig_start,
 				    donor_start, &len);
-	if (ret1)
+	if (ret)
 		goto out;
 
 	file_end = (i_size_read(orig_inode) - 1) >> orig_inode->i_blkbits;
@@ -1227,13 +1164,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 	if (file_end < block_end)
 		len -= block_end - file_end;
 
-	ret1 = get_ext_path(orig_inode, block_start, &orig_path);
-	if (ret1)
+	ret = get_ext_path(orig_inode, block_start, &orig_path);
+	if (ret)
 		goto out;
 
 	/* Get path structure to check the hole */
-	ret1 = get_ext_path(orig_inode, block_start, &holecheck_path);
-	if (ret1)
+	ret = get_ext_path(orig_inode, block_start, &holecheck_path);
+	if (ret)
 		goto out;
 
 	depth = ext_depth(orig_inode);
@@ -1252,13 +1189,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 		last_extent = mext_next_extent(orig_inode,
 					holecheck_path, &ext_cur);
 		if (last_extent < 0) {
-			ret1 = last_extent;
+			ret = last_extent;
 			goto out;
 		}
 		last_extent = mext_next_extent(orig_inode, orig_path,
 							&ext_dummy);
 		if (last_extent < 0) {
-			ret1 = last_extent;
+			ret = last_extent;
 			goto out;
 		}
 		seq_start = le32_to_cpu(ext_cur->ee_block);
@@ -1272,7 +1209,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 	if (le32_to_cpu(ext_cur->ee_block) > block_end) {
 		ext4_debug("ext4 move extent: The specified range of file "
 							"may be the hole\n");
-		ret1 = -EINVAL;
+		ret = -EINVAL;
 		goto out;
 	}
 
@@ -1292,7 +1229,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 		last_extent = mext_next_extent(orig_inode, holecheck_path,
 						&ext_cur);
 		if (last_extent < 0) {
-			ret1 = last_extent;
+			ret = last_extent;
 			break;
 		}
 		add_blocks = ext4_ext_get_actual_len(ext_cur);
@@ -1349,18 +1286,18 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 						orig_page_offset,
 						data_offset_in_page,
 						block_len_in_page, uninit,
-						&ret1);
+						&ret);
 
 			/* Count how many blocks we have exchanged */
 			*moved_len += block_len_in_page;
-			if (ret1 < 0)
+			if (ret < 0)
 				break;
 			if (*moved_len > len) {
 				EXT4_ERROR_INODE(orig_inode,
 					"We replaced blocks too much! "
 					"sum of replaced: %llu requested: %llu",
 					*moved_len, len);
-				ret1 = -EIO;
+				ret = -EIO;
 				break;
 			}
 
@@ -1374,22 +1311,22 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 		}
 
 		double_down_write_data_sem(orig_inode, donor_inode);
-		if (ret1 < 0)
+		if (ret < 0)
 			break;
 
 		/* Decrease buffer counter */
 		if (holecheck_path)
 			ext4_ext_drop_refs(holecheck_path);
-		ret1 = get_ext_path(orig_inode, seq_start, &holecheck_path);
-		if (ret1)
+		ret = get_ext_path(orig_inode, seq_start, &holecheck_path);
+		if (ret)
 			break;
 		depth = holecheck_path->p_depth;
 
 		/* Decrease buffer counter */
 		if (orig_path)
 			ext4_ext_drop_refs(orig_path);
-		ret1 = get_ext_path(orig_inode, seq_start, &orig_path);
-		if (ret1)
+		ret = get_ext_path(orig_inode, seq_start, &orig_path);
+		if (ret)
 			break;
 
 		ext_cur = holecheck_path[depth].p_ext;
@@ -1412,12 +1349,7 @@ out:
 		kfree(holecheck_path);
 	}
 	double_up_write_data_sem(orig_inode, donor_inode);
-	ret2 = mext_inode_double_unlock(orig_inode, donor_inode);
-
-	if (ret1)
-		return ret1;
-	else if (ret2)
-		return ret2;
+	mext_inode_double_unlock(orig_inode, donor_inode);
 
-	return 0;
+	return ret;
 }
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 4dd0890..88f97e5 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1801,9 +1801,7 @@ retry:
 	err = PTR_ERR(inode);
 	if (!IS_ERR(inode)) {
 		init_special_inode(inode, inode->i_mode, rdev);
-#ifdef CONFIG_EXT4_FS_XATTR
 		inode->i_op = &ext4_special_inode_operations;
-#endif
 		err = ext4_add_nondir(handle, dentry, inode);
 	}
 	ext4_journal_stop(handle);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 54f5786..13bfa07 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -63,6 +63,7 @@ int writeback_in_progress(struct backing_dev_info *bdi)
 {
 	return test_bit(BDI_writeback_running, &bdi->state);
 }
+EXPORT_SYMBOL(writeback_in_progress);
 
 static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
 {
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index b09e51d..464cd76 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -1032,11 +1032,11 @@ int jffs2_check_oob_empty(struct jffs2_sb_info *c,
 	ops.datbuf = NULL;
 
 	ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops);
-	if (ret || ops.oobretlen != ops.ooblen) {
+	if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) {
 		printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd"
 				" bytes, read %zd bytes, error %d\n",
 				jeb->offset, ops.ooblen, ops.oobretlen, ret);
-		if (!ret)
+		if (!ret || mtd_is_bitflip(ret))
 			ret = -EIO;
 		return ret;
 	}
@@ -1075,11 +1075,11 @@ int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c,
 	ops.datbuf = NULL;
 
 	ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops);
-	if (ret || ops.oobretlen != ops.ooblen) {
+	if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) {
 		printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd"
 				" bytes, read %zd bytes, error %d\n",
 				jeb->offset, ops.ooblen, ops.oobretlen, ret);
-		if (!ret)
+		if (!ret || mtd_is_bitflip(ret))
 			ret = -EIO;
 		return ret;
 	}
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 23d7451..df753a1 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -40,6 +40,7 @@ struct nsm_args {
 	u32			proc;
 
 	char			*mon_name;
+	char			*nodename;
 };
 
 struct nsm_res {
@@ -93,6 +94,7 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
 		.vers		= 3,
 		.proc		= NLMPROC_NSM_NOTIFY,
 		.mon_name	= nsm->sm_mon_name,
+		.nodename	= utsname()->nodename,
 	};
 	struct rpc_message msg = {
 		.rpc_argp	= &args,
@@ -429,7 +431,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp)
 {
 	__be32 *p;
 
-	encode_nsm_string(xdr, utsname()->nodename);
+	encode_nsm_string(xdr, argp->nodename);
 	p = xdr_reserve_space(xdr, 4 + 4 + 4);
 	*p++ = cpu_to_be32(argp->prog);
 	*p++ = cpu_to_be32(argp->vers);
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index d774309..1aaa0ee 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -164,25 +164,39 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect,
 	return bio;
 }
 
-static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
+static struct bio *do_add_page_to_bio(struct bio *bio, int npg, int rw,
 				      sector_t isect, struct page *page,
 				      struct pnfs_block_extent *be,
 				      void (*end_io)(struct bio *, int err),
-				      struct parallel_io *par)
+				      struct parallel_io *par,
+				      unsigned int offset, int len)
 {
+	isect = isect + (offset >> SECTOR_SHIFT);
+	dprintk("%s: npg %d rw %d isect %llu offset %u len %d\n", __func__,
+		npg, rw, (unsigned long long)isect, offset, len);
 retry:
 	if (!bio) {
 		bio = bl_alloc_init_bio(npg, isect, be, end_io, par);
 		if (!bio)
 			return ERR_PTR(-ENOMEM);
 	}
-	if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) {
+	if (bio_add_page(bio, page, len, offset) < len) {
 		bio = bl_submit_bio(rw, bio);
 		goto retry;
 	}
 	return bio;
 }
 
+static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw,
+				      sector_t isect, struct page *page,
+				      struct pnfs_block_extent *be,
+				      void (*end_io)(struct bio *, int err),
+				      struct parallel_io *par)
+{
+	return do_add_page_to_bio(bio, npg, rw, isect, page, be,
+				  end_io, par, 0, PAGE_CACHE_SIZE);
+}
+
 /* This is basically copied from mpage_end_io_read */
 static void bl_end_io_read(struct bio *bio, int err)
 {
@@ -446,6 +460,106 @@ map_block(struct buffer_head *bh, sector_t isect, struct pnfs_block_extent *be)
 	return;
 }
 
+static void
+bl_read_single_end_io(struct bio *bio, int error)
+{
+	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
+	struct page *page = bvec->bv_page;
+
+	/* Only one page in bvec */
+	unlock_page(page);
+}
+
+static int
+bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be,
+		    unsigned int offset, unsigned int len)
+{
+	struct bio *bio;
+	struct page *shadow_page;
+	sector_t isect;
+	char *kaddr, *kshadow_addr;
+	int ret = 0;
+
+	dprintk("%s: offset %u len %u\n", __func__, offset, len);
+
+	shadow_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
+	if (shadow_page == NULL)
+		return -ENOMEM;
+
+	bio = bio_alloc(GFP_NOIO, 1);
+	if (bio == NULL)
+		return -ENOMEM;
+
+	isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) +
+		(offset / SECTOR_SIZE);
+
+	bio->bi_sector = isect - be->be_f_offset + be->be_v_offset;
+	bio->bi_bdev = be->be_mdev;
+	bio->bi_end_io = bl_read_single_end_io;
+
+	lock_page(shadow_page);
+	if (bio_add_page(bio, shadow_page,
+			 SECTOR_SIZE, round_down(offset, SECTOR_SIZE)) == 0) {
+		unlock_page(shadow_page);
+		bio_put(bio);
+		return -EIO;
+	}
+
+	submit_bio(READ, bio);
+	wait_on_page_locked(shadow_page);
+	if (unlikely(!test_bit(BIO_UPTODATE, &bio->bi_flags))) {
+		ret = -EIO;
+	} else {
+		kaddr = kmap_atomic(page);
+		kshadow_addr = kmap_atomic(shadow_page);
+		memcpy(kaddr + offset, kshadow_addr + offset, len);
+		kunmap_atomic(kshadow_addr);
+		kunmap_atomic(kaddr);
+	}
+	__free_page(shadow_page);
+	bio_put(bio);
+
+	return ret;
+}
+
+static int
+bl_read_partial_page_sync(struct page *page, struct pnfs_block_extent *be,
+			  unsigned int dirty_offset, unsigned int dirty_len,
+			  bool full_page)
+{
+	int ret = 0;
+	unsigned int start, end;
+
+	if (full_page) {
+		start = 0;
+		end = PAGE_CACHE_SIZE;
+	} else {
+		start = round_down(dirty_offset, SECTOR_SIZE);
+		end = round_up(dirty_offset + dirty_len, SECTOR_SIZE);
+	}
+
+	dprintk("%s: offset %u len %d\n", __func__, dirty_offset, dirty_len);
+	if (!be) {
+		zero_user_segments(page, start, dirty_offset,
+				   dirty_offset + dirty_len, end);
+		if (start == 0 && end == PAGE_CACHE_SIZE &&
+		    trylock_page(page)) {
+			SetPageUptodate(page);
+			unlock_page(page);
+		}
+		return ret;
+	}
+
+	if (start != dirty_offset)
+		ret = bl_do_readpage_sync(page, be, start, dirty_offset - start);
+
+	if (!ret && (dirty_offset + dirty_len < end))
+		ret = bl_do_readpage_sync(page, be, dirty_offset + dirty_len,
+					  end - dirty_offset - dirty_len);
+
+	return ret;
+}
+
 /* Given an unmapped page, zero it or read in page for COW, page is locked
  * by caller.
  */
@@ -479,7 +593,6 @@ init_page_for_write(struct page *page, struct pnfs_block_extent *cow_read)
 	SetPageUptodate(page);
 
 cleanup:
-	bl_put_extent(cow_read);
 	if (bh)
 		free_buffer_head(bh);
 	if (ret) {
@@ -501,6 +614,7 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync)
 	struct parallel_io *par;
 	loff_t offset = wdata->args.offset;
 	size_t count = wdata->args.count;
+	unsigned int pg_offset, pg_len, saved_len;
 	struct page **pages = wdata->args.pages;
 	struct page *page;
 	pgoff_t index;
@@ -615,10 +729,11 @@ next_page:
 		if (!extent_length) {
 			/* We've used up the previous extent */
 			bl_put_extent(be);
+			bl_put_extent(cow_read);
 			bio = bl_submit_bio(WRITE, bio);
 			/* Get the next one */
 			be = bl_find_get_extent(BLK_LSEG2EXT(wdata->lseg),
-					     isect, NULL);
+					     isect, &cow_read);
 			if (!be || !is_writable(be, isect)) {
 				wdata->pnfs_error = -EINVAL;
 				goto out;
@@ -626,7 +741,26 @@ next_page:
 			extent_length = be->be_length -
 			    (isect - be->be_f_offset);
 		}
-		if (be->be_state == PNFS_BLOCK_INVALID_DATA) {
+
+		dprintk("%s offset %lld count %Zu\n", __func__, offset, count);
+		pg_offset = offset & ~PAGE_CACHE_MASK;
+		if (pg_offset + count > PAGE_CACHE_SIZE)
+			pg_len = PAGE_CACHE_SIZE - pg_offset;
+		else
+			pg_len = count;
+
+		saved_len = pg_len;
+		if (be->be_state == PNFS_BLOCK_INVALID_DATA &&
+		    !bl_is_sector_init(be->be_inval, isect)) {
+			ret = bl_read_partial_page_sync(pages[i], cow_read,
+							pg_offset, pg_len, true);
+			if (ret) {
+				dprintk("%s bl_read_partial_page_sync fail %d\n",
+					__func__, ret);
+				wdata->pnfs_error = ret;
+				goto out;
+			}
+
 			ret = bl_mark_sectors_init(be->be_inval, isect,
 						       PAGE_CACHE_SECTORS,
 						       NULL);
@@ -636,15 +770,35 @@ next_page:
 				wdata->pnfs_error = ret;
 				goto out;
 			}
+
+			/* Expand to full page write */
+			pg_offset = 0;
+			pg_len = PAGE_CACHE_SIZE;
+		} else if  ((pg_offset & (SECTOR_SIZE - 1)) ||
+			    (pg_len & (SECTOR_SIZE - 1))){
+			/* ahh, nasty case. We have to do sync full sector
+			 * read-modify-write cycles.
+			 */
+			unsigned int saved_offset = pg_offset;
+			ret = bl_read_partial_page_sync(pages[i], be, pg_offset,
+							pg_len, false);
+			pg_offset = round_down(pg_offset, SECTOR_SIZE);
+			pg_len = round_up(saved_offset + pg_len, SECTOR_SIZE)
+				 - pg_offset;
 		}
-		bio = bl_add_page_to_bio(bio, wdata->npages - i, WRITE,
+
+
+		bio = do_add_page_to_bio(bio, wdata->npages - i, WRITE,
 					 isect, pages[i], be,
-					 bl_end_io_write, par);
+					 bl_end_io_write, par,
+					 pg_offset, pg_len);
 		if (IS_ERR(bio)) {
 			wdata->pnfs_error = PTR_ERR(bio);
 			bio = NULL;
 			goto out;
 		}
+		offset += saved_len;
+		count -= saved_len;
 		isect += PAGE_CACHE_SECTORS;
 		last_isect = isect;
 		extent_length -= PAGE_CACHE_SECTORS;
@@ -662,12 +816,10 @@ next_page:
 	}
 
 write_done:
-	wdata->res.count = (last_isect << SECTOR_SHIFT) - (offset);
-	if (count < wdata->res.count) {
-		wdata->res.count = count;
-	}
+	wdata->res.count = wdata->args.count;
 out:
 	bl_put_extent(be);
+	bl_put_extent(cow_read);
 	bl_submit_bio(WRITE, bio);
 	put_parallel(par);
 	return PNFS_ATTEMPTED;
diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index 42acf7e..519a9de 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -40,6 +40,7 @@
 
 #define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT)
 #define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT)
+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
 
 struct block_mount_id {
 	spinlock_t			bm_lock;    /* protects list */
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 516b7f0..f66439e 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1289,6 +1289,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 		udf_err(sb, "error loading logical volume descriptor: "
 			"Partition table too long (%u > %lu)\n", table_len,
 			sb->s_blocksize - sizeof(*lvd));
+		ret = 1;
 		goto out_bh;
 	}
 
@@ -1333,8 +1334,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 						UDF_ID_SPARABLE,
 						strlen(UDF_ID_SPARABLE))) {
 				if (udf_load_sparable_map(sb, map,
-				    (struct sparablePartitionMap *)gpm) < 0)
+				    (struct sparablePartitionMap *)gpm) < 0) {
+					ret = 1;
 					goto out_bh;
+				}
 			} else if (!strncmp(upm2->partIdent.ident,
 						UDF_ID_METADATA,
 						strlen(UDF_ID_METADATA))) {
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 7978eec..3e8f2f7 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -188,7 +188,7 @@ struct sp_node {
 
 struct shared_policy {
 	struct rb_root root;
-	spinlock_t lock;
+	struct mutex mutex;
 };
 
 void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 67cc215..1874c5e 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1823,7 +1823,6 @@
 #define PCI_DEVICE_ID_SIIG_8S_20x_650	0x2081
 #define PCI_DEVICE_ID_SIIG_8S_20x_850	0x2082
 #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL	0x2050
-#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL	0x2530
 
 #define PCI_VENDOR_ID_RADISYS		0x1331
 
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index e5a7b9a..416dcb0 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1353,7 +1353,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb)
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
 
 	if (!ct || !nf_ct_is_untracked(ct)) {
-		nf_reset(skb);
+		nf_conntrack_put(skb->nfct);
 		skb->nfct = &nf_ct_untracked_get()->ct_general;
 		skb->nfctinfo = IP_CT_NEW;
 		nf_conntrack_get(skb->nfct);
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 6b76d81..a122196 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -292,7 +292,9 @@ cpu_has_callbacks_ready_to_invoke(struct rcu_data *rdp)
 static int
 cpu_needs_another_gp(struct rcu_state *rsp, struct rcu_data *rdp)
 {
-	return *rdp->nxttail[RCU_DONE_TAIL] && !rcu_gp_in_progress(rsp);
+	return *rdp->nxttail[RCU_DONE_TAIL +
+			     ACCESS_ONCE(rsp->completed) != rdp->completed] &&
+	       !rcu_gp_in_progress(rsp);
 }
 
 /*
diff --git a/kernel/sched_stoptask.c b/kernel/sched_stoptask.c
index 8b44e7f..85e9da2 100644
--- a/kernel/sched_stoptask.c
+++ b/kernel/sched_stoptask.c
@@ -25,8 +25,10 @@ static struct task_struct *pick_next_task_stop(struct rq *rq)
 {
 	struct task_struct *stop = rq->stop;
 
-	if (stop && stop->on_rq)
+	if (stop && stop->on_rq) {
+		stop->se.exec_start = rq->clock_task;
 		return stop;
+	}
 
 	return NULL;
 }
@@ -50,6 +52,21 @@ static void yield_task_stop(struct rq *rq)
 
 static void put_prev_task_stop(struct rq *rq, struct task_struct *prev)
 {
+	struct task_struct *curr = rq->curr;
+	u64 delta_exec;
+
+	delta_exec = rq->clock_task - curr->se.exec_start;
+	if (unlikely((s64)delta_exec < 0))
+		delta_exec = 0;
+
+	schedstat_set(curr->se.statistics.exec_max,
+			max(curr->se.statistics.exec_max, delta_exec));
+
+	curr->se.sum_exec_runtime += delta_exec;
+	account_group_exec_runtime(curr, delta_exec);
+
+	curr->se.exec_start = rq->clock_task;
+	cpuacct_charge(curr, delta_exec);
 }
 
 static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued)
@@ -58,6 +75,9 @@ static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued)
 
 static void set_curr_task_stop(struct rq *rq)
 {
+	struct task_struct *stop = rq->stop;
+
+	stop->se.exec_start = rq->clock_task;
 }
 
 static void switched_to_stop(struct rq *rq, struct task_struct *p)
diff --git a/kernel/sys.c b/kernel/sys.c
index 481611f..c504302 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -365,6 +365,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
 void kernel_restart(char *cmd)
 {
 	kernel_restart_prepare(cmd);
+	disable_nonboot_cpus();
 	if (!cmd)
 		printk(KERN_EMERG "Restarting system.\n");
 	else
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b413138..43a19c5 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1726,10 +1726,9 @@ static void move_linked_works(struct work_struct *work, struct list_head *head,
 		*nextp = n;
 }
 
-static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
+static void cwq_activate_delayed_work(struct work_struct *work)
 {
-	struct work_struct *work = list_first_entry(&cwq->delayed_works,
-						    struct work_struct, entry);
+	struct cpu_workqueue_struct *cwq = get_work_cwq(work);
 	struct list_head *pos = gcwq_determine_ins_pos(cwq->gcwq, cwq);
 
 	trace_workqueue_activate_work(work);
@@ -1738,6 +1737,14 @@ static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
 	cwq->nr_active++;
 }
 
+static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
+{
+	struct work_struct *work = list_first_entry(&cwq->delayed_works,
+						    struct work_struct, entry);
+
+	cwq_activate_delayed_work(work);
+}
+
 /**
  * cwq_dec_nr_in_flight - decrement cwq's nr_in_flight
  * @cwq: cwq of interest
@@ -1869,7 +1876,9 @@ __acquires(&gcwq->lock)
 
 	spin_unlock_irq(&gcwq->lock);
 
+	smp_wmb();	/* paired with test_and_set_bit(PENDING) */
 	work_clear_pending(work);
+
 	lock_map_acquire_read(&cwq->wq->lockdep_map);
 	lock_map_acquire(&lockdep_map);
 	trace_workqueue_execute_start(work);
@@ -2626,6 +2635,18 @@ static int try_to_grab_pending(struct work_struct *work)
 		smp_rmb();
 		if (gcwq == get_work_gcwq(work)) {
 			debug_work_deactivate(work);
+
+			/*
+			 * A delayed work item cannot be grabbed directly
+			 * because it might have linked NO_COLOR work items
+			 * which, if left on the delayed_list, will confuse
+			 * cwq->nr_active management later on and cause
+			 * stall.  Make sure the work item is activated
+			 * before grabbing.
+			 */
+			if (*work_data_bits(work) & WORK_STRUCT_DELAYED)
+				cwq_activate_delayed_work(work);
+
 			list_del_init(&work->entry);
 			cwq_dec_nr_in_flight(get_work_cwq(work),
 				get_work_color(work),
diff --git a/lib/gcd.c b/lib/gcd.c
index f879033..433d89b 100644
--- a/lib/gcd.c
+++ b/lib/gcd.c
@@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsigned long b)
 
 	if (a < b)
 		swap(a, b);
+
+	if (!b)
+		return a;
 	while ((r = a % b) != 0) {
 		a = b;
 		b = r;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 0f897b8..d6c0fdf 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2429,8 +2429,8 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
 	 * from page cache lookup which is in HPAGE_SIZE units.
 	 */
 	address = address & huge_page_mask(h);
-	pgoff = ((address - vma->vm_start) >> PAGE_SHIFT)
-		+ (vma->vm_pgoff >> PAGE_SHIFT);
+	pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
+			vma->vm_pgoff;
 	mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
 
 	/*
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 11b8d47..4c82c21 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -607,24 +607,39 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
 	return first;
 }
 
-/* Apply policy to a single VMA */
-static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new)
+/*
+ * Apply policy to a single VMA
+ * This must be called with the mmap_sem held for writing.
+ */
+static int vma_replace_policy(struct vm_area_struct *vma,
+						struct mempolicy *pol)
 {
-	int err = 0;
-	struct mempolicy *old = vma->vm_policy;
+	int err;
+	struct mempolicy *old;
+	struct mempolicy *new;
 
 	pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n",
 		 vma->vm_start, vma->vm_end, vma->vm_pgoff,
 		 vma->vm_ops, vma->vm_file,
 		 vma->vm_ops ? vma->vm_ops->set_policy : NULL);
 
-	if (vma->vm_ops && vma->vm_ops->set_policy)
+	new = mpol_dup(pol);
+	if (IS_ERR(new))
+		return PTR_ERR(new);
+
+	if (vma->vm_ops && vma->vm_ops->set_policy) {
 		err = vma->vm_ops->set_policy(vma, new);
-	if (!err) {
-		mpol_get(new);
-		vma->vm_policy = new;
-		mpol_put(old);
+		if (err)
+			goto err_out;
 	}
+
+	old = vma->vm_policy;
+	vma->vm_policy = new; /* protected by mmap_sem */
+	mpol_put(old);
+
+	return 0;
+ err_out:
+	mpol_put(new);
 	return err;
 }
 
@@ -675,7 +690,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
 			if (err)
 				goto out;
 		}
-		err = policy_vma(vma, new_pol);
+		err = vma_replace_policy(vma, new_pol);
 		if (err)
 			goto out;
 	}
@@ -1507,8 +1522,18 @@ struct mempolicy *get_vma_policy(struct task_struct *task,
 									addr);
 			if (vpol)
 				pol = vpol;
-		} else if (vma->vm_policy)
+		} else if (vma->vm_policy) {
 			pol = vma->vm_policy;
+
+			/*
+			 * shmem_alloc_page() passes MPOL_F_SHARED policy with
+			 * a pseudo vma whose vma->vm_ops=NULL. Take a reference
+			 * count on these policies which will be dropped by
+			 * mpol_cond_put() later
+			 */
+			if (mpol_needs_cond_ref(pol))
+				mpol_get(pol);
+		}
 	}
 	if (!pol)
 		pol = &default_policy;
@@ -2032,7 +2057,7 @@ int __mpol_equal(struct mempolicy *a, struct mempolicy *b)
  */
 
 /* lookup first element intersecting start-end */
-/* Caller holds sp->lock */
+/* Caller holds sp->mutex */
 static struct sp_node *
 sp_lookup(struct shared_policy *sp, unsigned long start, unsigned long end)
 {
@@ -2096,36 +2121,50 @@ mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx)
 
 	if (!sp->root.rb_node)
 		return NULL;
-	spin_lock(&sp->lock);
+	mutex_lock(&sp->mutex);
 	sn = sp_lookup(sp, idx, idx+1);
 	if (sn) {
 		mpol_get(sn->policy);
 		pol = sn->policy;
 	}
-	spin_unlock(&sp->lock);
+	mutex_unlock(&sp->mutex);
 	return pol;
 }
 
+static void sp_free(struct sp_node *n)
+{
+	mpol_put(n->policy);
+	kmem_cache_free(sn_cache, n);
+}
+
 static void sp_delete(struct shared_policy *sp, struct sp_node *n)
 {
 	pr_debug("deleting %lx-l%lx\n", n->start, n->end);
 	rb_erase(&n->nd, &sp->root);
-	mpol_put(n->policy);
-	kmem_cache_free(sn_cache, n);
+	sp_free(n);
 }
 
 static struct sp_node *sp_alloc(unsigned long start, unsigned long end,
 				struct mempolicy *pol)
 {
-	struct sp_node *n = kmem_cache_alloc(sn_cache, GFP_KERNEL);
+	struct sp_node *n;
+	struct mempolicy *newpol;
 
+	n = kmem_cache_alloc(sn_cache, GFP_KERNEL);
 	if (!n)
 		return NULL;
+
+	newpol = mpol_dup(pol);
+	if (IS_ERR(newpol)) {
+		kmem_cache_free(sn_cache, n);
+		return NULL;
+	}
+	newpol->flags |= MPOL_F_SHARED;
+
 	n->start = start;
 	n->end = end;
-	mpol_get(pol);
-	pol->flags |= MPOL_F_SHARED;	/* for unref */
-	n->policy = pol;
+	n->policy = newpol;
+
 	return n;
 }
 
@@ -2133,10 +2172,10 @@ static struct sp_node *sp_alloc(unsigned long start, unsigned long end,
 static int shared_policy_replace(struct shared_policy *sp, unsigned long start,
 				 unsigned long end, struct sp_node *new)
 {
-	struct sp_node *n, *new2 = NULL;
+	struct sp_node *n;
+	int ret = 0;
 
-restart:
-	spin_lock(&sp->lock);
+	mutex_lock(&sp->mutex);
 	n = sp_lookup(sp, start, end);
 	/* Take care of old policies in the same range. */
 	while (n && n->start < end) {
@@ -2149,16 +2188,14 @@ restart:
 		} else {
 			/* Old policy spanning whole new range. */
 			if (n->end > end) {
+				struct sp_node *new2;
+				new2 = sp_alloc(end, n->end, n->policy);
 				if (!new2) {
-					spin_unlock(&sp->lock);
-					new2 = sp_alloc(end, n->end, n->policy);
-					if (!new2)
-						return -ENOMEM;
-					goto restart;
+					ret = -ENOMEM;
+					goto out;
 				}
 				n->end = start;
 				sp_insert(sp, new2);
-				new2 = NULL;
 				break;
 			} else
 				n->end = start;
@@ -2169,12 +2206,9 @@ restart:
 	}
 	if (new)
 		sp_insert(sp, new);
-	spin_unlock(&sp->lock);
-	if (new2) {
-		mpol_put(new2->policy);
-		kmem_cache_free(sn_cache, new2);
-	}
-	return 0;
+out:
+	mutex_unlock(&sp->mutex);
+	return ret;
 }
 
 /**
@@ -2192,7 +2226,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
 	int ret;
 
 	sp->root = RB_ROOT;		/* empty tree == default mempolicy */
-	spin_lock_init(&sp->lock);
+	mutex_init(&sp->mutex);
 
 	if (mpol) {
 		struct vm_area_struct pvma;
@@ -2246,7 +2280,7 @@ int mpol_set_shared_policy(struct shared_policy *info,
 	}
 	err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new);
 	if (err && new)
-		kmem_cache_free(sn_cache, new);
+		sp_free(new);
 	return err;
 }
 
@@ -2258,16 +2292,14 @@ void mpol_free_shared_policy(struct shared_policy *p)
 
 	if (!p->root.rb_node)
 		return;
-	spin_lock(&p->lock);
+	mutex_lock(&p->mutex);
 	next = rb_first(&p->root);
 	while (next) {
 		n = rb_entry(next, struct sp_node, nd);
 		next = rb_next(&n->nd);
-		rb_erase(&n->nd, &p->root);
-		mpol_put(n->policy);
-		kmem_cache_free(sn_cache, n);
+		sp_delete(p, n);
 	}
-	spin_unlock(&p->lock);
+	mutex_unlock(&p->mutex);
 }
 
 /* assumes fs == KERNEL_DS */
diff --git a/mm/slab.c b/mm/slab.c
index cd3ab93..4c3b671 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1669,9 +1669,6 @@ void __init kmem_cache_init_late(void)
 
 	g_cpucache_up = LATE;
 
-	/* Annotate slab for lockdep -- annotate the malloc caches */
-	init_lock_keys();
-
 	/* 6) resize the head arrays to their final sizes */
 	mutex_lock(&cache_chain_mutex);
 	list_for_each_entry(cachep, &cache_chain, next)
@@ -1679,6 +1676,9 @@ void __init kmem_cache_init_late(void)
 			BUG();
 	mutex_unlock(&cache_chain_mutex);
 
+	/* Annotate slab for lockdep -- annotate the malloc caches */
+	init_lock_keys();
+
 	/* Done! */
 	g_cpucache_up = FULL;
 
diff --git a/mm/truncate.c b/mm/truncate.c
index 632b15e..00fb58a 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -394,11 +394,12 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
 	if (page_has_private(page) && !try_to_release_page(page, GFP_KERNEL))
 		return 0;
 
+	clear_page_mlock(page);
+
 	spin_lock_irq(&mapping->tree_lock);
 	if (PageDirty(page))
 		goto failed;
 
-	clear_page_mlock(page);
 	BUG_ON(page_has_private(page));
 	__delete_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index de9da21..d7d63f4 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -84,6 +84,14 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
 	*dataoff = nhoff + (iph->ihl << 2);
 	*protonum = iph->protocol;
 
+	/* Check bogus IP headers */
+	if (*dataoff > skb->len) {
+		pr_debug("nf_conntrack_ipv4: bogus IPv4 packet: "
+			 "nhoff %u, ihl %u, skblen %u\n",
+			 nhoff, iph->ihl << 2, skb->len);
+		return -NF_ACCEPT;
+	}
+
 	return NF_ACCEPT;
 }
 
diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index 78844d9..6609a84 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -148,7 +148,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 	if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
 				    hdr, NULL, &matchoff, &matchlen,
 				    &addr, &port) > 0) {
-		unsigned int matchend, poff, plen, buflen, n;
+		unsigned int olen, matchend, poff, plen, buflen, n;
 		char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")];
 
 		/* We're only interested in headers related to this
@@ -163,11 +163,12 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 				goto next;
 		}
 
+		olen = *datalen;
 		if (!map_addr(skb, dataoff, dptr, datalen, matchoff, matchlen,
 			      &addr, port))
 			return NF_DROP;
 
-		matchend = matchoff + matchlen;
+		matchend = matchoff + matchlen + *datalen - olen;
 
 		/* The maddr= parameter (RFC 2361) specifies where to send
 		 * the reply. */
@@ -501,7 +502,10 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff,
 		ret = nf_ct_expect_related(rtcp_exp);
 		if (ret == 0)
 			break;
-		else if (ret != -EBUSY) {
+		else if (ret == -EBUSY) {
+			nf_ct_unexpect_related(rtp_exp);
+			continue;
+		} else if (ret < 0) {
 			nf_ct_unexpect_related(rtp_exp);
 			port = 0;
 			break;
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 340c80d..7918eb7 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -366,23 +366,6 @@ static void evict_oldest_expect(struct nf_conn *master,
 	}
 }
 
-static inline int refresh_timer(struct nf_conntrack_expect *i)
-{
-	struct nf_conn_help *master_help = nfct_help(i->master);
-	const struct nf_conntrack_expect_policy *p;
-
-	if (!del_timer(&i->timeout))
-		return 0;
-
-	p = &rcu_dereference_protected(
-		master_help->helper,
-		lockdep_is_held(&nf_conntrack_lock)
-		)->expect_policy[i->class];
-	i->timeout.expires = jiffies + p->timeout * HZ;
-	add_timer(&i->timeout);
-	return 1;
-}
-
 static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 {
 	const struct nf_conntrack_expect_policy *p;
@@ -390,7 +373,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 	struct nf_conn *master = expect->master;
 	struct nf_conn_help *master_help = nfct_help(master);
 	struct net *net = nf_ct_exp_net(expect);
-	struct hlist_node *n;
+	struct hlist_node *n, *next;
 	unsigned int h;
 	int ret = 1;
 
@@ -401,12 +384,12 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 		goto out;
 	}
 	h = nf_ct_expect_dst_hash(&expect->tuple);
-	hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) {
+	hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) {
 		if (expect_matches(i, expect)) {
-			/* Refresh timer: if it's dying, ignore.. */
-			if (refresh_timer(i)) {
-				ret = 0;
-				goto out;
+			if (del_timer(&i->timeout)) {
+				nf_ct_unlink_expect(i);
+				nf_ct_expect_put(i);
+				break;
 			}
 		} else if (expect_clash(i, expect)) {
 			ret = -EBUSY;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index dfd52ba..8f3f280 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -389,8 +389,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo)
 #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
 
 /* Precision saver. */
-static inline u_int32_t
-user2credits(u_int32_t user)
+static u32 user2credits(u32 user)
 {
 	/* If multiplying would overflow... */
 	if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
@@ -400,7 +399,7 @@ user2credits(u_int32_t user)
 	return (user * HZ * CREDITS_PER_JIFFY) / XT_HASHLIMIT_SCALE;
 }
 
-static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
+static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
 {
 	dh->rateinfo.credit += (now - dh->rateinfo.prev) * CREDITS_PER_JIFFY;
 	if (dh->rateinfo.credit > dh->rateinfo.credit_cap)
@@ -531,8 +530,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
 		dh->rateinfo.prev = jiffies;
 		dh->rateinfo.credit = user2credits(hinfo->cfg.avg *
 		                      hinfo->cfg.burst);
-		dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg *
-		                          hinfo->cfg.burst);
+		dh->rateinfo.credit_cap = dh->rateinfo.credit;
 		dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
 	} else {
 		/* update expiration timeout */
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 32b7a57..a4c1e45 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -88,8 +88,7 @@ limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
 }
 
 /* Precision saver. */
-static u_int32_t
-user2credits(u_int32_t user)
+static u32 user2credits(u32 user)
 {
 	/* If multiplying would overflow... */
 	if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY))
@@ -118,12 +117,12 @@ static int limit_mt_check(const struct xt_mtchk_param *par)
 
 	/* For SMP, we only want to use one set of state. */
 	r->master = priv;
+	/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
+	   128. */
+	priv->prev = jiffies;
+	priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
 	if (r->cost == 0) {
-		/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
-		   128. */
-		priv->prev = jiffies;
-		priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
-		r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
+		r->credit_cap = priv->credit; /* Credits full. */
 		r->cost = user2credits(r->avg);
 	}
 	return 0;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index c5391af..10a385b 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1028,6 +1028,16 @@ static void xs_udp_data_ready(struct sock *sk, int len)
 	read_unlock_bh(&sk->sk_callback_lock);
 }
 
+/*
+ * Helper function to force a TCP close if the server is sending
+ * junk and/or it has put us in CLOSE_WAIT
+ */
+static void xs_tcp_force_close(struct rpc_xprt *xprt)
+{
+	set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
+	xprt_force_disconnect(xprt);
+}
+
 static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc)
 {
 	struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
@@ -1054,7 +1064,7 @@ static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_rea
 	/* Sanity check of the record length */
 	if (unlikely(transport->tcp_reclen < 8)) {
 		dprintk("RPC:       invalid TCP record fragment length\n");
-		xprt_force_disconnect(xprt);
+		xs_tcp_force_close(xprt);
 		return;
 	}
 	dprintk("RPC:       reading TCP record fragment of length %d\n",
@@ -1135,7 +1145,7 @@ static inline void xs_tcp_read_calldir(struct sock_xprt *transport,
 		break;
 	default:
 		dprintk("RPC:       invalid request message type\n");
-		xprt_force_disconnect(&transport->xprt);
+		xs_tcp_force_close(&transport->xprt);
 	}
 	xs_tcp_check_fraghdr(transport);
 }
@@ -1458,6 +1468,8 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt)
 static void xs_sock_mark_closed(struct rpc_xprt *xprt)
 {
 	smp_mb__before_clear_bit();
+	clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
+	clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
 	clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
 	clear_bit(XPRT_CLOSING, &xprt->state);
 	smp_mb__after_clear_bit();
@@ -1515,8 +1527,8 @@ static void xs_tcp_state_change(struct sock *sk)
 		break;
 	case TCP_CLOSE_WAIT:
 		/* The server initiated a shutdown of the socket */
-		xprt_force_disconnect(xprt);
 		xprt->connect_cookie++;
+		xs_tcp_force_close(xprt);
 	case TCP_CLOSING:
 		/*
 		 * If the server closed down the connection, make sure that
@@ -2159,8 +2171,7 @@ static void xs_tcp_setup_socket(struct work_struct *work)
 		/* We're probably in TIME_WAIT. Get rid of existing socket,
 		 * and retry
 		 */
-		set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
-		xprt_force_disconnect(xprt);
+		xs_tcp_force_close(xprt);
 		break;
 	case -ECONNREFUSED:
 	case -ECONNRESET:
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index d897278..978416d 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -98,24 +98,24 @@ try-run = $(shell set -e;		\
 # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
 
 as-option = $(call try-run,\
-	$(CC) $(KBUILD_CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
+	$(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
 
 # as-instr
 # Usage: cflags-y += $(call as-instr,instr,option1,option2)
 
 as-instr = $(call try-run,\
-	/bin/echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
+	printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
 
 # cc-option
 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
 
 cc-option = $(call try-run,\
-	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2))
+	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
 
 # cc-option-yn
 # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
 cc-option-yn = $(call try-run,\
-	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n)
+	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
 
 # cc-option-align
 # Prefix align with either -falign or -malign
@@ -125,7 +125,7 @@ cc-option-align = $(subst -functions=0,,\
 # cc-disable-warning
 # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
 cc-disable-warning = $(call try-run,\
-	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -xc /dev/null -o "$$TMP",-Wno-$(strip $(1)))
+	$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
 
 # cc-version
 # Usage gcc-ver := $(call cc-version)
@@ -143,7 +143,7 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
 # cc-ldoption
 # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
 cc-ldoption = $(call try-run,\
-	$(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
+	$(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
 
 # ld-option
 # Usage: LDFLAGS += $(call ld-option, -X)
@@ -209,7 +209,7 @@ endif
 # >$< substitution to preserve $ when reloading .cmd file
 # note: when using inline perl scripts [perl -e '...$$t=1;...']
 # in $(cmd_xxx) double $$ your perl vars
-make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
+make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))))
 
 # Find any prerequisites that is newer than target or that does not exist.
 # PHONY targets skipped in both cases.
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh
index debecb5..7f2126d 100644
--- a/scripts/gcc-version.sh
+++ b/scripts/gcc-version.sh
@@ -22,10 +22,10 @@ if [ ${#compiler} -eq 0 ]; then
 	exit 1
 fi
 
-MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
-MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
+MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1)
+MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1)
 if [ "x$with_patchlevel" != "x" ] ; then
-	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
+	PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1)
 	printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
 else
 	printf "%02d%02d\\n" $MAJOR $MINOR
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh
index 29493dc..12dbd0b 100644
--- a/scripts/gcc-x86_32-has-stack-protector.sh
+++ b/scripts/gcc-x86_32-has-stack-protector.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
 if [ "$?" -eq "0" ] ; then
 	echo y
 else
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index afaec61..973e8c1 100644
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
 if [ "$?" -eq "0" ] ; then
 	echo y
 else
diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh
index fa59cbf..854d9c7 100755
--- a/scripts/kconfig/check.sh
+++ b/scripts/kconfig/check.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Needed for systems without gettext
-$* -xc -o /dev/null - > /dev/null 2>&1 << EOF
+$* -x c -o /dev/null - > /dev/null 2>&1 << EOF
 #include <libintl.h>
 int main()
 {
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 82cc3a8..50df490 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -38,7 +38,7 @@ trap "rm -f $tmp" 0 1 2 3 15
 
 # Check if we can link to ncurses
 check() {
-        $cc -xc - -o $tmp 2>/dev/null <<'EOF'
+        $cc -x c - -o $tmp 2>/dev/null <<'EOF'
 #include CURSES_LOC
 main() {}
 EOF
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index bccf07dd..3346f42 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -463,6 +463,8 @@ while(<CIN>) {
 	if (defined($configs{$1})) {
 	    if ($localyesconfig) {
 	        $setconfigs{$1} = 'y';
+		print "$1=y\n";
+		next;
 	    } else {
 	        $setconfigs{$1} = $2;
 	    }
diff --git a/scripts/package/buildtar b/scripts/package/buildtar
index 8a7b155..d0d748e 100644
--- a/scripts/package/buildtar
+++ b/scripts/package/buildtar
@@ -109,7 +109,7 @@ esac
 	if tar --owner=root --group=root --help >/dev/null 2>&1; then
 		opts="--owner=root --group=root"
 	fi
-	tar cf - . $opts | ${compress} > "${tarball}${file_ext}"
+	tar cf - boot/* lib/* $opts | ${compress} > "${tarball}${file_ext}"
 )
 
 echo "Tarball successfully created in ${tarball}${file_ext}"
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index d83bafc..193ce81 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -119,6 +119,7 @@ struct loopback_pcm {
 	unsigned int period_size_frac;
 	unsigned long last_jiffies;
 	struct timer_list timer;
+	spinlock_t timer_lock;
 };
 
 static struct platform_device *devices[SNDRV_CARDS];
@@ -169,6 +170,7 @@ static void loopback_timer_start(struct loopback_pcm *dpcm)
 	unsigned long tick;
 	unsigned int rate_shift = get_rate_shift(dpcm);
 
+	spin_lock(&dpcm->timer_lock);
 	if (rate_shift != dpcm->pcm_rate_shift) {
 		dpcm->pcm_rate_shift = rate_shift;
 		dpcm->period_size_frac = frac_pos(dpcm, dpcm->pcm_period_size);
@@ -181,12 +183,15 @@ static void loopback_timer_start(struct loopback_pcm *dpcm)
 	tick = (tick + dpcm->pcm_bps - 1) / dpcm->pcm_bps;
 	dpcm->timer.expires = jiffies + tick;
 	add_timer(&dpcm->timer);
+	spin_unlock(&dpcm->timer_lock);
 }
 
 static inline void loopback_timer_stop(struct loopback_pcm *dpcm)
 {
+	spin_lock(&dpcm->timer_lock);
 	del_timer(&dpcm->timer);
 	dpcm->timer.expires = 0;
+	spin_unlock(&dpcm->timer_lock);
 }
 
 #define CABLE_VALID_PLAYBACK	(1 << SNDRV_PCM_STREAM_PLAYBACK)
@@ -659,6 +664,7 @@ static int loopback_open(struct snd_pcm_substream *substream)
 	dpcm->substream = substream;
 	setup_timer(&dpcm->timer, loopback_timer_function,
 		    (unsigned long)dpcm);
+	spin_lock_init(&dpcm->timer_lock);
 
 	cable = loopback->cables[substream->number][dev];
 	if (!cable) {
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 402f330..94f0c4a 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -139,6 +139,7 @@ struct conexant_spec {
 	unsigned int asus:1;
 	unsigned int pin_eapd_ctrls:1;
 	unsigned int single_adc_amp:1;
+	unsigned int fixup_stereo_dmic:1;
 
 	unsigned int adc_switching:1;
 
@@ -4113,9 +4114,9 @@ static int cx_auto_init(struct hda_codec *codec)
 
 static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
 			      const char *dir, int cidx,
-			      hda_nid_t nid, int hda_dir, int amp_idx)
+			      hda_nid_t nid, int hda_dir, int amp_idx, int chs)
 {
-	static char name[32];
+	static char name[44];
 	static struct snd_kcontrol_new knew[] = {
 		HDA_CODEC_VOLUME(name, 0, 0, 0),
 		HDA_CODEC_MUTE(name, 0, 0, 0),
@@ -4125,7 +4126,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
 
 	for (i = 0; i < 2; i++) {
 		struct snd_kcontrol *kctl;
-		knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, amp_idx,
+		knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, chs, amp_idx,
 							    hda_dir);
 		knew[i].subdevice = HDA_SUBDEV_AMP_FLAG;
 		knew[i].index = cidx;
@@ -4144,7 +4145,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename,
 }
 
 #define cx_auto_add_volume(codec, str, dir, cidx, nid, hda_dir)		\
-	cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0)
+	cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0, 3)
 
 #define cx_auto_add_pb_volume(codec, nid, str, idx)			\
 	cx_auto_add_volume(codec, str, " Playback", idx, nid, HDA_OUTPUT)
@@ -4214,6 +4215,36 @@ static int cx_auto_build_output_controls(struct hda_codec *codec)
 	return 0;
 }
 
+/* Returns zero if this is a normal stereo channel, and non-zero if it should
+   be split in two independent channels.
+   dest_label must be at least 44 characters. */
+static int cx_auto_get_rightch_label(struct hda_codec *codec, const char *label,
+				     char *dest_label, int nid)
+{
+	struct conexant_spec *spec = codec->spec;
+	int i;
+
+	if (!spec->fixup_stereo_dmic)
+		return 0;
+
+	for (i = 0; i < AUTO_CFG_MAX_INS; i++) {
+		int def_conf;
+		if (spec->autocfg.inputs[i].pin != nid)
+			continue;
+
+		if (spec->autocfg.inputs[i].type != AUTO_PIN_MIC)
+			return 0;
+		def_conf = snd_hda_codec_get_pincfg(codec, nid);
+		if (snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT)
+			return 0;
+
+		/* Finally found the inverted internal mic! */
+		snprintf(dest_label, 44, "Inverted %s", label);
+		return 1;
+	}
+	return 0;
+}
+
 static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid,
 				      const char *label, const char *pfx,
 				      int cidx)
@@ -4222,14 +4253,25 @@ static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid,
 	int i;
 
 	for (i = 0; i < spec->num_adc_nids; i++) {
+		char rightch_label[44];
 		hda_nid_t adc_nid = spec->adc_nids[i];
 		int idx = get_input_connection(codec, adc_nid, nid);
 		if (idx < 0)
 			continue;
 		if (spec->single_adc_amp)
 			idx = 0;
+
+		if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) {
+			/* Make two independent kcontrols for left and right */
+			int err = cx_auto_add_volume_idx(codec, label, pfx,
+					      cidx, adc_nid, HDA_INPUT, idx, 1);
+			if (err < 0)
+				return err;
+			return cx_auto_add_volume_idx(codec, rightch_label, pfx,
+						      cidx, adc_nid, HDA_INPUT, idx, 2);
+		}
 		return cx_auto_add_volume_idx(codec, label, pfx,
-					      cidx, adc_nid, HDA_INPUT, idx);
+					      cidx, adc_nid, HDA_INPUT, idx, 3);
 	}
 	return 0;
 }
@@ -4242,9 +4284,19 @@ static int cx_auto_add_boost_volume(struct hda_codec *codec, int idx,
 	int i, con;
 
 	nid = spec->imux_info[idx].pin;
-	if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP)
+	if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) {
+		char rightch_label[44];
+		if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) {
+			int err = cx_auto_add_volume_idx(codec, label, " Boost",
+							 cidx, nid, HDA_INPUT, 0, 1);
+			if (err < 0)
+				return err;
+			return cx_auto_add_volume_idx(codec, rightch_label, " Boost",
+						      cidx, nid, HDA_INPUT, 0, 2);
+		}
 		return cx_auto_add_volume(codec, label, " Boost", cidx,
 					  nid, HDA_INPUT);
+	}
 	con = __select_input_connection(codec, spec->imux_info[idx].adc, nid,
 					&mux, false, 0);
 	if (con < 0)
@@ -4398,23 +4450,31 @@ static void apply_pincfg(struct hda_codec *codec, const struct cxt_pincfg *cfg)
 
 }
 
-static void apply_pin_fixup(struct hda_codec *codec,
+enum {
+	CXT_PINCFG_LENOVO_X200,
+	CXT_PINCFG_LENOVO_TP410,
+	CXT_FIXUP_STEREO_DMIC,
+};
+
+static void apply_fixup(struct hda_codec *codec,
 			    const struct snd_pci_quirk *quirk,
 			    const struct cxt_pincfg **table)
 {
+	struct conexant_spec *spec = codec->spec;
+
 	quirk = snd_pci_quirk_lookup(codec->bus->pci, quirk);
-	if (quirk) {
+	if (quirk && table[quirk->value]) {
 		snd_printdd(KERN_INFO "hda_codec: applying pincfg for %s\n",
 			    quirk->name);
 		apply_pincfg(codec, table[quirk->value]);
 	}
+	if (quirk->value == CXT_FIXUP_STEREO_DMIC) {
+		snd_printdd(KERN_INFO "hda_codec: applying internal mic workaround for %s\n",
+			    quirk->name);
+		spec->fixup_stereo_dmic = 1;
+	}
 }
 
-enum {
-	CXT_PINCFG_LENOVO_X200,
-	CXT_PINCFG_LENOVO_TP410,
-};
-
 /* ThinkPad X200 & co with cxt5051 */
 static const struct cxt_pincfg cxt_pincfg_lenovo_x200[] = {
 	{ 0x16, 0x042140ff }, /* HP (seq# overridden) */
@@ -4434,6 +4494,7 @@ static const struct cxt_pincfg cxt_pincfg_lenovo_tp410[] = {
 static const struct cxt_pincfg *cxt_pincfg_tbl[] = {
 	[CXT_PINCFG_LENOVO_X200] = cxt_pincfg_lenovo_x200,
 	[CXT_PINCFG_LENOVO_TP410] = cxt_pincfg_lenovo_tp410,
+	[CXT_FIXUP_STEREO_DMIC] = NULL,
 };
 
 static const struct snd_pci_quirk cxt5051_fixups[] = {
@@ -4447,6 +4508,9 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
+	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
+	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
+	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
 	{}
 };
 
@@ -4486,10 +4550,10 @@ static int patch_conexant_auto(struct hda_codec *codec)
 		break;
 	case 0x14f15051:
 		add_cx5051_fake_mutes(codec);
-		apply_pin_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl);
+		apply_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl);
 		break;
 	default:
-		apply_pin_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl);
+		apply_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl);
 		break;
 	}
 
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 323d4d9..0961d88 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -348,7 +348,7 @@ int main(void)
 	fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
 	if (fd < 0) {
 		syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	addr.nl_family = AF_NETLINK;
 	addr.nl_pad = 0;
@@ -360,7 +360,7 @@ int main(void)
 	if (error < 0) {
 		syslog(LOG_ERR, "bind failed; error:%d", error);
 		close(fd);
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 	sock_opt = addr.nl_groups;
 	setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
@@ -378,7 +378,7 @@ int main(void)
 	if (len < 0) {
 		syslog(LOG_ERR, "netlink_send failed; error:%d", len);
 		close(fd);
-		exit(-1);
+		exit(EXIT_FAILURE);
 	}
 
 	pfd.fd = fd;
@@ -497,7 +497,7 @@ int main(void)
 		len = netlink_send(fd, incoming_cn_msg);
 		if (len < 0) {
 			syslog(LOG_ERR, "net_link send failed; error:%d", len);
-			exit(-1);
+			exit(EXIT_FAILURE);
 		}
 	}
 
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index b98e307..e45d2b1 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -56,7 +56,7 @@ ifeq ($(ARCH),x86_64)
 	ARCH := x86
 	IS_X86_64 := 0
 	ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
-		IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
+		IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
 	endif
 	ifeq (${IS_X86_64}, 1)
 		RAW_ARCH := x86_64
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index e8a03ac..7db8da5 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -100,7 +100,7 @@ GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo po/$$HLANG.gmo; done;}
 export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS
 
 # check if compiler option is supported
-cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
+cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;}
 
 # use '-Os' optimization if available, else use -O2
 OPTIMIZATION := $(call cc-supports,-Os,-O2)

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