Merge branch 'for-linus/bugfixes' of git://xenbits.xensource.com/people/ianc/linux-2.6
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 14 Jan 2010 00:15:09 +0000 (16:15 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 14 Jan 2010 00:15:09 +0000 (16:15 -0800)
* 'for-linus/bugfixes' of git://xenbits.xensource.com/people/ianc/linux-2.6:
  xen: fix hang on suspend.

18 files changed:
Makefile
arch/powerpc/boot/Makefile
arch/sh/tools/Makefile
drivers/gpu/drm/drm_crtc_helper.c
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/radeon_combios.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
drivers/gpu/drm/radeon/radeon_ttm.c
drivers/hid/hid-apple.c
drivers/hid/hid-core.c
drivers/hid/hid-ids.h
drivers/hid/hid-samsung.c
drivers/hid/hid-wacom.c
fs/fcntl.c
lib/zlib_inflate/inffast.c
mm/truncate.c
scripts/Makefile.lib

index 9f64552..5f333bf 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -18,10 +18,9 @@ MAKEFLAGS += -rR --no-print-directory
 
 # 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.
index 826a30a..bb2465b 100644 (file)
@@ -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 @@ BOOTCFLAGS    += -fno-stack-protector
 endif
 
 BOOTCFLAGS     += -I$(obj) -I$(srctree)/$(obj)
-BOOTCFLAGS     += -include include/linux/autoconf.h -Iarch/powerpc/include
-BOOTCFLAGS     += -Iinclude
 
 DTS_FLAGS      ?= -p 1024
 
index 558a56b..2082af1 100644 (file)
@@ -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; }
index 077313f..7d0f00a 100644 (file)
@@ -702,7 +702,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
                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 @@ bool drm_helper_initial_config(struct drm_device *dev)
        /*
         * 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);
 
index c065199..f5ff349 100644 (file)
@@ -2729,7 +2729,7 @@ restart_ih:
                                }
                                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 @@ restart_ih:
                                }
                                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 @@ restart_ih:
                                }
                                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 @@ restart_ih:
                        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;
                }
 
index 7914455..579c892 100644 (file)
@@ -687,6 +687,9 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
        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') {
index 9da10dd..5526641 100644 (file)
@@ -900,10 +900,18 @@ static void radeon_dvi_force(struct drm_connector *connector)
 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) ||
index 981508f..38e45e2 100644 (file)
@@ -46,6 +46,7 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
        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 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
                }
        }
 
+       /* 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 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
 
                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 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
                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);
index 3b0c07b..58b5adf 100644 (file)
@@ -215,7 +215,10 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
        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:
index 4b96e7a..5b4d66d 100644 (file)
@@ -431,6 +431,13 @@ static const struct hid_device_id apple_devices[] = {
                .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),
index 80792d3..eabe5f8 100644 (file)
@@ -1285,6 +1285,9 @@ static const struct hid_device_id hid_blacklist[] = {
        { 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 @@ static const struct hid_device_id hid_ignore_list[] = {
        { 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) },
index 3839340..010368e 100644 (file)
@@ -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
 #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
 
index 5b222ee..510dd13 100644 (file)
  *
  * 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 @@ static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
                        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 @@ static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
        } 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;
        }
 }
 
index 7475421..12dcda5 100644 (file)
@@ -142,6 +142,7 @@ static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
                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 @@ static int wacom_probe(struct hid_device *hdev,
        /* 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);
index 2cf93ec..97e01dc 100644 (file)
@@ -618,60 +618,90 @@ static DEFINE_RWLOCK(fasync_lock);
 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;
+       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;
+               *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;
 
-       /*
-        * 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 (fa->fa_file != filp)
+                       continue;
+               fa->fa_fd = fd;
+               kmem_cache_free(fasync_cache, new);
+               goto out;
        }
 
-       if (on) {
-               new->magic = FASYNC_MAGIC;
-               new->fa_file = filp;
-               new->fa_fd = fd;
-               new->fa_next = *fapp;
-               *fapp = new;
-               result = 1;
-       }
+       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:
-       if (on)
-               filp->f_flags |= FASYNC;
-       else
-               filp->f_flags &= ~FASYNC;
        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)
index 05e1559..215447c 100644 (file)
@@ -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 @@ void inflate_fast(z_streamp strm, unsigned start)
                     }
                 }
                 else {
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
                    unsigned short *sout;
                    unsigned long loops;
 
@@ -284,6 +298,20 @@ void inflate_fast(z_streamp strm, unsigned start)
                    }
                    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 */
index 342deee..e87e372 100644 (file)
@@ -522,22 +522,20 @@ EXPORT_SYMBOL_GPL(invalidate_inode_pages2);
  */
 void truncate_pagecache(struct inode *inode, loff_t old, loff_t new)
 {
-       if (new < old) {
-               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);
-       }
+       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);
 }
 EXPORT_SYMBOL(truncate_pagecache);
 
index 0fe48cd..f9bdf26 100644 (file)
@@ -219,8 +219,13 @@ for F in $1; do                                                            \
        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   $@