Merge branch 'for-linus/bugfixes' of git://xenbits.xensource.com/people/ianc/linux-2.6

* 'for-linus/bugfixes' of git://xenbits.xensource.com/people/ianc/linux-2.6:
  xen: fix hang on suspend.
diff --git a/Makefile b/Makefile
index 9f64552..5f333bf 100644
--- a/Makefile
+++ b/Makefile
@@ -18,10 +18,9 @@
 
 # Avoid funny character set dependencies
 unexport LC_ALL
-LC_CTYPE=C
 LC_COLLATE=C
 LC_NUMERIC=C
-export LC_CTYPE LC_COLLATE LC_NUMERIC
+export LC_COLLATE LC_NUMERIC
 
 # We are using a recursive build, so we need to do a little thinking
 # to get the ordering right.
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 826a30a..bb2465b 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -20,7 +20,7 @@
 all: $(obj)/zImage
 
 BOOTCFLAGS    := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-		 -fno-strict-aliasing -Os -msoft-float -pipe -D__KERNEL__\
+		 -fno-strict-aliasing -Os -msoft-float -pipe \
 		 -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
 		 -isystem $(shell $(CROSS32CC) -print-file-name=include)
 BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
@@ -34,8 +34,6 @@
 endif
 
 BOOTCFLAGS	+= -I$(obj) -I$(srctree)/$(obj)
-BOOTCFLAGS	+= -include include/linux/autoconf.h -Iarch/powerpc/include
-BOOTCFLAGS	+= -Iinclude
 
 DTS_FLAGS	?= -p 1024
 
diff --git a/arch/sh/tools/Makefile b/arch/sh/tools/Makefile
index 558a56b..2082af1 100644
--- a/arch/sh/tools/Makefile
+++ b/arch/sh/tools/Makefile
@@ -13,4 +13,4 @@
 include/generated/machtypes.h: $(src)/gen-mach-types $(src)/mach-types
 	@echo '  Generating $@'
 	$(Q)mkdir -p $(dir $@)
-	$(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
+	$(Q)LC_ALL=C $(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 077313f..7d0f00a 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -702,7 +702,7 @@
 		if (encoder->crtc != crtc)
 			continue;
 
-		DRM_INFO("%s: set mode %s %x\n", drm_get_encoder_name(encoder),
+		DRM_DEBUG("%s: set mode %s %x\n", drm_get_encoder_name(encoder),
 			 mode->name, mode->base.id);
 		encoder_funcs = encoder->helper_private;
 		encoder_funcs->mode_set(encoder, mode, adjusted_mode);
@@ -1032,7 +1032,8 @@
 	/*
 	 * we shouldn't end up with no modes here.
 	 */
-	printk(KERN_INFO "No connectors reported conncted with modes\n");
+	if (count == 0)
+		printk(KERN_INFO "No connectors reported connected with modes\n");
 
 	drm_setup_crtcs(dev);
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c065199..f5ff349 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2729,7 +2729,7 @@
 				}
 				break;
 			default:
-				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 				break;
 			}
 			break;
@@ -2749,7 +2749,7 @@
 				}
 				break;
 			default:
-				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 				break;
 			}
 			break;
@@ -2798,7 +2798,7 @@
 				}
 				break;
 			default:
-				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 				break;
 			}
 			break;
@@ -2812,7 +2812,7 @@
 			DRM_DEBUG("IH: CP EOP\n");
 			break;
 		default:
-			DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
+			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
 			break;
 		}
 
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 7914455..579c892 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -687,6 +687,9 @@
 	uint16_t tv_info;
 	enum radeon_tv_std tv_std = TV_STD_NTSC;
 
+	if (rdev->bios == NULL)
+		return tv_std;
+
 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 	if (tv_info) {
 		if (RBIOS8(tv_info + 6) == 'T') {
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 9da10dd..5526641 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -900,10 +900,18 @@
 static int radeon_dvi_mode_valid(struct drm_connector *connector,
 				  struct drm_display_mode *mode)
 {
+	struct drm_device *dev = connector->dev;
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 
 	/* XXX check mode bandwidth */
 
+	/* clocks over 135 MHz have heat issues with DVI on RV100 */
+	if (radeon_connector->use_digital &&
+	    (rdev->family == CHIP_RV100) &&
+	    (mode->clock > 135000))
+		return MODE_CLOCK_HIGH;
+
 	if (radeon_connector->use_digital && (mode->clock > 165000)) {
 		if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
 		    (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 981508f..38e45e2 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -46,6 +46,7 @@
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	uint32_t lvds_gen_cntl, lvds_pll_cntl, pixclks_cntl, disp_pwr_man;
 	int panel_pwr_delay = 2000;
+	bool is_mac = false;
 	DRM_DEBUG("\n");
 
 	if (radeon_encoder->enc_priv) {
@@ -58,6 +59,15 @@
 		}
 	}
 
+	/* macs (and possibly some x86 oem systems?) wire up LVDS strangely
+	 * Taken from radeonfb.
+	 */
+	if ((rdev->mode_info.connector_table == CT_IBOOK) ||
+	    (rdev->mode_info.connector_table == CT_POWERBOOK_EXTERNAL) ||
+	    (rdev->mode_info.connector_table == CT_POWERBOOK_INTERNAL) ||
+	    (rdev->mode_info.connector_table == CT_POWERBOOK_VGA))
+		is_mac = true;
+
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
 		disp_pwr_man = RREG32(RADEON_DISP_PWR_MAN);
@@ -74,6 +84,8 @@
 
 		lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
 		lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN | RADEON_LVDS_DIGON | RADEON_LVDS_BLON);
+		if (is_mac)
+			lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN;
 		lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS);
 		udelay(panel_pwr_delay * 1000);
 		WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
@@ -85,7 +97,14 @@
 		WREG32_PLL_P(RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb);
 		lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
 		lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
-		lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
+		if (is_mac) {
+			lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN;
+			WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
+			lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN);
+		} else {
+			WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
+			lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
+		}
 		udelay(panel_pwr_delay * 1000);
 		WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
 		WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 3b0c07b..58b5adf 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -215,7 +215,10 @@
 	rbo = container_of(bo, struct radeon_bo, tbo);
 	switch (bo->mem.mem_type) {
 	case TTM_PL_VRAM:
-		radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
+		if (rbo->rdev->cp.ready == false)
+			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU);
+		else
+			radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
 		break;
 	case TTM_PL_TT:
 	default:
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 4b96e7a..5b4d66d 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -431,6 +431,13 @@
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS),
 		.driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
+		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
+		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN |
+			APPLE_ISO_KEYBOARD },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS),
+		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY),
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 80792d3..eabe5f8 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1285,6 +1285,9 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
@@ -1553,6 +1556,7 @@
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3839340e..010368e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -88,6 +88,9 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI	0x0236
 #define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO	0x0237
 #define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS	0x0238
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI  0x0239
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO   0x023a
+#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS   0x023b
 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY	0x030a
 #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY	0x030b
 #define USB_DEVICE_ID_APPLE_ATV_IRCONTROL	0x8241
@@ -166,6 +169,9 @@
 #define USB_VENDOR_ID_ESSENTIAL_REALITY	0x0d7f
 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
 
+#define USB_VENDOR_ID_ETT		0x0664
+#define USB_DEVICE_ID_TC5UH		0x0309
+
 #define USB_VENDOR_ID_EZKEY 		0x0518
 #define USB_DEVICE_ID_BTC_8193		0x0002
 
diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index 5b222ee..510dd13 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -39,7 +39,17 @@
  *
  * 3. 135 byte report descriptor
  * Report #4 has an array field with logical range 0..17 instead of 1..14.
+ *
+ * 4. 171 byte report descriptor
+ * Report #3 has an array field with logical range 0..1 instead of 1..3.
  */
+static inline void samsung_dev_trace(struct hid_device *hdev,
+		unsigned int rsize)
+{
+	dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
+			"descriptor\n", rsize);
+}
+
 static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		unsigned int rsize)
 {
@@ -47,8 +57,7 @@
 			rdesc[177] == 0x75 && rdesc[178] == 0x30 &&
 			rdesc[179] == 0x95 && rdesc[180] == 0x01 &&
 			rdesc[182] == 0x40) {
-		dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
-				"descriptor\n", 184);
+		samsung_dev_trace(hdev, 184);
 		rdesc[176] = 0xff;
 		rdesc[178] = 0x08;
 		rdesc[180] = 0x06;
@@ -56,17 +65,21 @@
 	} else
 	if (rsize == 203 && rdesc[192] == 0x15 && rdesc[193] == 0x0 &&
 			rdesc[194] == 0x25 && rdesc[195] == 0x12) {
-		dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
-				"descriptor\n", 203);
+		samsung_dev_trace(hdev, 203);
 		rdesc[193] = 0x1;
 		rdesc[195] = 0xf;
 	} else
 	if (rsize == 135 && rdesc[124] == 0x15 && rdesc[125] == 0x0 &&
 			rdesc[126] == 0x25 && rdesc[127] == 0x11) {
-		dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
-				"descriptor\n", 135);
+		samsung_dev_trace(hdev, 135);
 		rdesc[125] = 0x1;
 		rdesc[127] = 0xe;
+	} else
+	if (rsize == 171 && rdesc[160] == 0x15 && rdesc[161] == 0x0 &&
+			rdesc[162] == 0x25 && rdesc[163] == 0x01) {
+		samsung_dev_trace(hdev, 171);
+		rdesc[161] = 0x1;
+		rdesc[163] = 0x3;
 	}
 }
 
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index 7475421..12dcda5 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -142,6 +142,7 @@
 		wdata->butstate = rw;
 		input_report_key(input, BTN_0, rw & 0x02);
 		input_report_key(input, BTN_1, rw & 0x01);
+		input_report_key(input, BTN_TOOL_FINGER, 0xf0);
 		input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
 		input_sync(input);
 	}
@@ -196,6 +197,9 @@
 	/* Pad */
 	input->evbit[0] |= BIT(EV_MSC);
 	input->mscbit[0] |= BIT(MSC_SERIAL);
+	set_bit(BTN_0, input->keybit);
+	set_bit(BTN_1, input->keybit);
+	set_bit(BTN_TOOL_FINGER, input->keybit);
 
 	/* Distance, rubber and mouse */
 	input->absbit[0] |= BIT(ABS_DISTANCE);
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 2cf93ec..97e01dc 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -618,60 +618,90 @@
 static struct kmem_cache *fasync_cache __read_mostly;
 
 /*
- * fasync_helper() is used by almost all character device drivers
- * to set up the fasync queue. It returns negative on error, 0 if it did
- * no changes and positive if it added/deleted the entry.
+ * Remove a fasync entry. If successfully removed, return
+ * positive and clear the FASYNC flag. If no entry exists,
+ * do nothing and return 0.
+ *
+ * NOTE! It is very important that the FASYNC flag always
+ * match the state "is the filp on a fasync list".
+ *
+ * We always take the 'filp->f_lock', in since fasync_lock
+ * needs to be irq-safe.
  */
-int fasync_helper(int fd, struct file * filp, int on, struct fasync_struct **fapp)
+static int fasync_remove_entry(struct file *filp, struct fasync_struct **fapp)
 {
 	struct fasync_struct *fa, **fp;
-	struct fasync_struct *new = NULL;
 	int result = 0;
 
-	if (on) {
-		new = kmem_cache_alloc(fasync_cache, GFP_KERNEL);
-		if (!new)
-			return -ENOMEM;
-	}
-
-	/*
-	 * We need to take f_lock first since it's not an IRQ-safe
-	 * lock.
-	 */
 	spin_lock(&filp->f_lock);
 	write_lock_irq(&fasync_lock);
 	for (fp = fapp; (fa = *fp) != NULL; fp = &fa->fa_next) {
-		if (fa->fa_file == filp) {
-			if(on) {
-				fa->fa_fd = fd;
-				kmem_cache_free(fasync_cache, new);
-			} else {
-				*fp = fa->fa_next;
-				kmem_cache_free(fasync_cache, fa);
-				result = 1;
-			}
-			goto out;
-		}
-	}
-
-	if (on) {
-		new->magic = FASYNC_MAGIC;
-		new->fa_file = filp;
-		new->fa_fd = fd;
-		new->fa_next = *fapp;
-		*fapp = new;
-		result = 1;
-	}
-out:
-	if (on)
-		filp->f_flags |= FASYNC;
-	else
+		if (fa->fa_file != filp)
+			continue;
+		*fp = fa->fa_next;
+		kmem_cache_free(fasync_cache, fa);
 		filp->f_flags &= ~FASYNC;
+		result = 1;
+		break;
+	}
 	write_unlock_irq(&fasync_lock);
 	spin_unlock(&filp->f_lock);
 	return result;
 }
 
+/*
+ * Add a fasync entry. Return negative on error, positive if
+ * added, and zero if did nothing but change an existing one.
+ *
+ * NOTE! It is very important that the FASYNC flag always
+ * match the state "is the filp on a fasync list".
+ */
+static int fasync_add_entry(int fd, struct file *filp, struct fasync_struct **fapp)
+{
+	struct fasync_struct *new, *fa, **fp;
+	int result = 0;
+
+	new = kmem_cache_alloc(fasync_cache, GFP_KERNEL);
+	if (!new)
+		return -ENOMEM;
+
+	spin_lock(&filp->f_lock);
+	write_lock_irq(&fasync_lock);
+	for (fp = fapp; (fa = *fp) != NULL; fp = &fa->fa_next) {
+		if (fa->fa_file != filp)
+			continue;
+		fa->fa_fd = fd;
+		kmem_cache_free(fasync_cache, new);
+		goto out;
+	}
+
+	new->magic = FASYNC_MAGIC;
+	new->fa_file = filp;
+	new->fa_fd = fd;
+	new->fa_next = *fapp;
+	*fapp = new;
+	result = 1;
+	filp->f_flags |= FASYNC;
+
+out:
+	write_unlock_irq(&fasync_lock);
+	spin_unlock(&filp->f_lock);
+	return result;
+}
+
+/*
+ * fasync_helper() is used by almost all character device drivers
+ * to set up the fasync queue, and for regular files by the file
+ * lease code. It returns negative on error, 0 if it did no changes
+ * and positive if it added/deleted the entry.
+ */
+int fasync_helper(int fd, struct file * filp, int on, struct fasync_struct **fapp)
+{
+	if (!on)
+		return fasync_remove_entry(filp, fapp);
+	return fasync_add_entry(fd, filp, fapp);
+}
+
 EXPORT_SYMBOL(fasync_helper);
 
 void __kill_fasync(struct fasync_struct *fa, int sig, int band)
diff --git a/lib/zlib_inflate/inffast.c b/lib/zlib_inflate/inffast.c
index 05e1559..215447c 100644
--- a/lib/zlib_inflate/inffast.c
+++ b/lib/zlib_inflate/inffast.c
@@ -4,12 +4,25 @@
  */
 
 #include <linux/zutil.h>
-#include <asm/unaligned.h>
-#include <asm/byteorder.h>
 #include "inftrees.h"
 #include "inflate.h"
 #include "inffast.h"
 
+/* Only do the unaligned "Faster" variant when
+ * CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is set
+ *
+ * On powerpc, it won't be as we don't include autoconf.h
+ * automatically for the boot wrapper, which is intended as
+ * we run in an environment where we may not be able to deal
+ * with (even rare) alignment faults. In addition, we do not
+ * define __KERNEL__ for arch/powerpc/boot unlike x86
+ */
+
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+#include <asm/unaligned.h>
+#include <asm/byteorder.h>
+#endif
+
 #ifndef ASMINF
 
 /* Allow machine dependent optimization for post-increment or pre-increment.
@@ -243,6 +256,7 @@
                     }
                 }
                 else {
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 		    unsigned short *sout;
 		    unsigned long loops;
 
@@ -284,6 +298,20 @@
 		    }
 		    if (len & 1)
 			PUP(out) = PUP(from);
+#else /* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */
+                    from = out - dist;          /* copy direct from output */
+                    do {                        /* minimum length is three */
+			 PUP(out) = PUP(from);
+			 PUP(out) = PUP(from);
+			 PUP(out) = PUP(from);
+			 len -= 3;
+                    } while (len > 2);
+                    if (len) {
+			 PUP(out) = PUP(from);
+			 if (len > 1)
+			     PUP(out) = PUP(from);
+                    }
+#endif /* !CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */
                 }
             }
             else if ((op & 64) == 0) {          /* 2nd level distance code */
diff --git a/mm/truncate.c b/mm/truncate.c
index 342deee..e87e372 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -522,22 +522,20 @@
  */
 void truncate_pagecache(struct inode *inode, loff_t old, loff_t new)
 {
-	if (new < old) {
-		struct address_space *mapping = inode->i_mapping;
+	struct address_space *mapping = inode->i_mapping;
 
-		/*
-		 * unmap_mapping_range is called twice, first simply for
-		 * efficiency so that truncate_inode_pages does fewer
-		 * single-page unmaps.  However after this first call, and
-		 * before truncate_inode_pages finishes, it is possible for
-		 * private pages to be COWed, which remain after
-		 * truncate_inode_pages finishes, hence the second
-		 * unmap_mapping_range call must be made for correctness.
-		 */
-		unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1);
-		truncate_inode_pages(mapping, new);
-		unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1);
-	}
+	/*
+	 * unmap_mapping_range is called twice, first simply for
+	 * efficiency so that truncate_inode_pages does fewer
+	 * single-page unmaps.  However after this first call, and
+	 * before truncate_inode_pages finishes, it is possible for
+	 * private pages to be COWed, which remain after
+	 * truncate_inode_pages finishes, hence the second
+	 * unmap_mapping_range call must be made for correctness.
+	 */
+	unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1);
+	truncate_inode_pages(mapping, new);
+	unmap_mapping_range(mapping, new + PAGE_SIZE - 1, 0, 1);
 }
 EXPORT_SYMBOL(truncate_pagecache);
 
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 0fe48cd..f9bdf26 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -219,8 +219,13 @@
 	fsize=$$(stat -c "%s" $$F);					\
 	dec_size=$$(expr $$dec_size + $$fsize);				\
 done;									\
-printf "%08x" $$dec_size |						\
-	sed 's/\(..\)\(..\)\(..\)\(..\)/\\\\x\4\\\\x\3\\\\x\2\\\\x\1/g'	\
+printf "%08x\n" $$dec_size |						\
+	sed 's/\(..\)/\1 /g' | {					\
+		read ch0 ch1 ch2 ch3;					\
+		for ch in $$ch3 $$ch2 $$ch1 $$ch0; do			\
+			printf '%s%03o' '\\' $$((0x$$ch)); 		\
+		done;							\
+	}								\
 )
 
 quiet_cmd_bzip2 = BZIP2   $@