]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 7 Aug 2009 17:46:09 +0000 (10:46 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 7 Aug 2009 17:46:09 +0000 (10:46 -0700)
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] KVM: Read buffer overflow
  [S390] kernel: Storing machine flags early in lowcore

55 files changed:
arch/powerpc/kernel/mpc7450-pmu.c
arch/powerpc/kernel/power4-pmu.c
arch/powerpc/kernel/power5+-pmu.c
arch/powerpc/kernel/power5-pmu.c
arch/powerpc/kernel/power6-pmu.c
arch/powerpc/kernel/power7-pmu.c
arch/powerpc/kernel/ppc970-pmu.c
drivers/gpu/drm/radeon/r600_cp.c
drivers/gpu/drm/radeon/radeon_device.c
drivers/gpu/drm/radeon/radeon_drv.h
drivers/gpu/drm/radeon/radeon_object.c
drivers/input/keyboard/matrix_keypad.c
drivers/input/misc/wistron_btns.c
drivers/input/serio/i8042-x86ia64io.h
drivers/mmc/host/sdhci-of.c
drivers/mtd/maps/Kconfig
drivers/mtd/maps/Makefile
drivers/mtd/maps/sbc8240.c
drivers/mtd/mtd_blkdevs.c
drivers/mtd/mtdblock.c
drivers/mtd/mtdcore.c
drivers/mtd/onenand/omap2.c
drivers/pci/intel-iommu.c
drivers/video/console/fbcon.c
drivers/video/console/fbcon_rotate.h
drivers/video/mx3fb.c
drivers/video/via/hw.c
drivers/video/via/lcd.c
drivers/video/via/viafbdev.c
drivers/video/via/viafbdev.h
drivers/w1/masters/omap_hdq.c
fs/binfmt_flat.c
fs/compat_ioctl.c
fs/jffs2/file.c
fs/namespace.c
include/drm/drm_pciids.h
include/linux/decompress/generic.h
include/linux/ftrace_event.h
include/linux/input/matrix_keypad.h
include/linux/mtd/mtd.h
include/linux/mtd/partitions.h
include/linux/nodemask.h
kernel/fork.c
kernel/perf_counter.c
kernel/smp.c
kernel/trace/trace_event_profile.c
kernel/trace/trace_events.c
lib/decompress_bunzip2.c
lib/decompress_inflate.c
lib/decompress_unlzma.c
mm/mempolicy.c
tools/perf/Documentation/perf-record.txt
tools/perf/Makefile
tools/perf/builtin-report.c
tools/perf/util/symbol.c

index c244133c67a67bcdd1591b9049f7487e78974b22..cc466d039af6c8ec2a3984c2597dc6cceae2da67 100644 (file)
@@ -407,7 +407,8 @@ struct power_pmu mpc7450_pmu = {
 
 static int init_mpc7450_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/7450"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/7450"))
                return -ENODEV;
 
        return register_power_pmu(&mpc7450_pmu);
index db90b0c5c27bbc05f9d66dc8a70c18f108e9ecf3..3c90a3d9173e47a60109312be18603851e163c28 100644 (file)
@@ -606,7 +606,8 @@ static struct power_pmu power4_pmu = {
 
 static int init_power4_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power4"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power4"))
                return -ENODEV;
 
        return register_power_pmu(&power4_pmu);
index f4adca8e98a423a92941ad00c83ab6c174a7484e..31918af3e3553d551e9870fb2d4060727dab75f5 100644 (file)
@@ -678,8 +678,9 @@ static struct power_pmu power5p_pmu = {
 
 static int init_power5p_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5+")
-           && strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5++"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5+")
+            && strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5++")))
                return -ENODEV;
 
        return register_power_pmu(&power5p_pmu);
index 29b2c6c0e83a2a37b582fe1e98a986ff0daefaba..867f6f663963d411dfc654ddc72caf198d0ed5cb 100644 (file)
@@ -618,7 +618,8 @@ static struct power_pmu power5_pmu = {
 
 static int init_power5_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5"))
                return -ENODEV;
 
        return register_power_pmu(&power5_pmu);
index 09ae5bf5bda78fb86b64b1d14d44f9722b63b9a6..fa21890531da732cf466e11869ff69d028188324 100644 (file)
@@ -537,7 +537,8 @@ static struct power_pmu power6_pmu = {
 
 static int init_power6_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power6"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power6"))
                return -ENODEV;
 
        return register_power_pmu(&power6_pmu);
index 5a9f5cbd40a48e9c19c4afaae64e86a57fd5c18d..388cf57ad827b8d187c49dc34eb0ec8deaf48db5 100644 (file)
@@ -366,7 +366,8 @@ static struct power_pmu power7_pmu = {
 
 static int init_power7_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power7"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power7"))
                return -ENODEV;
 
        return register_power_pmu(&power7_pmu);
index 833097ac45dc4aad00e7e3e8d43b060efccada77..75dccb71a04337fc3f26dd0902de37e279886651 100644 (file)
@@ -488,8 +488,9 @@ static struct power_pmu ppc970_pmu = {
 
 static int init_ppc970_pmu(void)
 {
-       if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970")
-           && strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970MP"))
+       if (!cur_cpu_spec->oprofile_cpu_type ||
+           (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970")
+            && strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970MP")))
                return -ENODEV;
 
        return register_power_pmu(&ppc970_pmu);
index 146f3570af8e710f689d3f9823981b993a5e3632..20f17908b036d6c59b8435e354787a42295fa0d8 100644 (file)
@@ -384,8 +384,9 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
                DRM_INFO("Loading RV670 PFP Microcode\n");
                for (i = 0; i < PFP_UCODE_SIZE; i++)
                        RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV670_pfp_microcode[i]);
-       } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
-               DRM_INFO("Loading RS780 CP Microcode\n");
+       } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+                  ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
+               DRM_INFO("Loading RS780/RS880 CP Microcode\n");
                for (i = 0; i < PM4_UCODE_SIZE; i++) {
                        RADEON_WRITE(R600_CP_ME_RAM_DATA,
                                     RS780_cp_microcode[i][0]);
@@ -396,7 +397,7 @@ static void r600_cp_load_microcode(drm_radeon_private_t *dev_priv)
                }
 
                RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
-               DRM_INFO("Loading RS780 PFP Microcode\n");
+               DRM_INFO("Loading RS780/RS880 PFP Microcode\n");
                for (i = 0; i < PFP_UCODE_SIZE; i++)
                        RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RS780_pfp_microcode[i]);
        }
@@ -783,6 +784,7 @@ static void r600_gfx_init(struct drm_device *dev,
                break;
        case CHIP_RV610:
        case CHIP_RS780:
+       case CHIP_RS880:
        case CHIP_RV620:
                dev_priv->r600_max_pipes = 1;
                dev_priv->r600_max_tile_pipes = 1;
@@ -917,7 +919,8 @@ static void r600_gfx_init(struct drm_device *dev,
            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV630) ||
            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
                RADEON_WRITE(R600_DB_DEBUG, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE);
        else
                RADEON_WRITE(R600_DB_DEBUG, 0);
@@ -935,7 +938,8 @@ static void r600_gfx_init(struct drm_device *dev,
        sq_ms_fifo_sizes = RADEON_READ(R600_SQ_MS_FIFO_SIZES);
        if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
                sq_ms_fifo_sizes = (R600_CACHE_FIFO_SIZE(0xa) |
                                    R600_FETCH_FIFO_HIWATER(0xa) |
                                    R600_DONE_FIFO_HIWATER(0xe0) |
@@ -978,7 +982,8 @@ static void r600_gfx_init(struct drm_device *dev,
                                            R600_NUM_ES_STACK_ENTRIES(0));
        } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
                   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-                  ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780)) {
+                  ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+                  ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880)) {
                /* no vertex cache */
                sq_config &= ~R600_VC_ENABLE;
 
@@ -1035,7 +1040,8 @@ static void r600_gfx_init(struct drm_device *dev,
 
        if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV610) ||
            ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV620) ||
-           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780))
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS780) ||
+           ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS880))
                RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_TC_ONLY));
        else
                RADEON_WRITE(R600_VGT_CACHE_INVALIDATION, R600_CACHE_INVALIDATION(R600_VC_AND_TC));
@@ -1078,6 +1084,7 @@ static void r600_gfx_init(struct drm_device *dev,
                break;
        case CHIP_RV610:
        case CHIP_RS780:
+       case CHIP_RS880:
        case CHIP_RV620:
                gs_prim_buffer_depth = 32;
                break;
@@ -1123,6 +1130,7 @@ static void r600_gfx_init(struct drm_device *dev,
        switch (dev_priv->flags & RADEON_FAMILY_MASK) {
        case CHIP_RV610:
        case CHIP_RS780:
+       case CHIP_RS880:
        case CHIP_RV620:
                tc_cntl = R600_TC_L2_SIZE(8);
                break;
index a162ade74b7fadf75398f60b89ba7fffe33d691a..9ff6dcb97f9daa391f004b157b82e3bea9047288 100644 (file)
@@ -152,7 +152,9 @@ int radeon_mc_setup(struct radeon_device *rdev)
                }
        } else {
                rdev->mc.vram_location = 0;
-               rdev->mc.gtt_location = rdev->mc.mc_vram_size;
+               tmp = rdev->mc.mc_vram_size;
+               tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
+               rdev->mc.gtt_location = tmp;
        }
        DRM_INFO("radeon: VRAM %uM\n", rdev->mc.real_vram_size >> 20);
        DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
index 127d0456f628bf87ed469e5a451347c5d981f5b4..3933f8216a34d8aa43cb536b7157c0e7cc6d4c21 100644 (file)
@@ -143,6 +143,7 @@ enum radeon_family {
        CHIP_RV635,
        CHIP_RV670,
        CHIP_RS780,
+       CHIP_RS880,
        CHIP_RV770,
        CHIP_RV730,
        CHIP_RV710,
index dd9ac2fed6d69512f8696294a6ec1f062e22f250..e98cae3bf4a67959dc0b600ddeb9e47c1dac49ca 100644 (file)
@@ -106,7 +106,7 @@ static inline uint32_t radeon_object_flags_from_domain(uint32_t domain)
                flags |= TTM_PL_FLAG_VRAM | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
        }
        if (domain & RADEON_GEM_DOMAIN_GTT) {
-               flags |= TTM_PL_FLAG_TT | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;
+               flags |= TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
        }
        if (domain & RADEON_GEM_DOMAIN_CPU) {
                flags |= TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;
index e9b2e7cb05be2fc316227ebf0f1426ebfb969720..541b981ff0752d2a3bfeb991ad1bf866d236aa61 100644 (file)
@@ -27,6 +27,7 @@ struct matrix_keypad {
        const struct matrix_keypad_platform_data *pdata;
        struct input_dev *input_dev;
        unsigned short *keycodes;
+       unsigned int row_shift;
 
        uint32_t last_key_state[MATRIX_MAX_COLS];
        struct delayed_work work;
@@ -136,7 +137,7 @@ static void matrix_keypad_scan(struct work_struct *work)
                        if ((bits_changed & (1 << row)) == 0)
                                continue;
 
-                       code = (row << 4) + col;
+                       code = MATRIX_SCAN_CODE(row, col, keypad->row_shift);
                        input_event(input_dev, EV_MSC, MSC_SCAN, code);
                        input_report_key(input_dev,
                                         keypad->keycodes[code],
@@ -317,6 +318,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
        struct matrix_keypad *keypad;
        struct input_dev *input_dev;
        unsigned short *keycodes;
+       unsigned int row_shift;
        int i;
        int err;
 
@@ -332,14 +334,11 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
                return -EINVAL;
        }
 
-       if (!keymap_data->max_keymap_size) {
-               dev_err(&pdev->dev, "invalid keymap data supplied\n");
-               return -EINVAL;
-       }
+       row_shift = get_count_order(pdata->num_col_gpios);
 
        keypad = kzalloc(sizeof(struct matrix_keypad), GFP_KERNEL);
-       keycodes = kzalloc(keymap_data->max_keymap_size *
-                               sizeof(keypad->keycodes),
+       keycodes = kzalloc((pdata->num_row_gpios << row_shift) *
+                               sizeof(*keycodes),
                           GFP_KERNEL);
        input_dev = input_allocate_device();
        if (!keypad || !keycodes || !input_dev) {
@@ -350,6 +349,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
        keypad->input_dev = input_dev;
        keypad->pdata = pdata;
        keypad->keycodes = keycodes;
+       keypad->row_shift = row_shift;
        keypad->stopped = true;
        INIT_DELAYED_WORK(&keypad->work, matrix_keypad_scan);
        spin_lock_init(&keypad->lock);
@@ -363,7 +363,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 
        input_dev->keycode      = keycodes;
        input_dev->keycodesize  = sizeof(*keycodes);
-       input_dev->keycodemax   = keymap_data->max_keymap_size;
+       input_dev->keycodemax   = pdata->num_row_gpios << keypad->row_shift;
 
        for (i = 0; i < keymap_data->keymap_size; i++) {
                unsigned int key = keymap_data->keymap[i];
@@ -371,7 +371,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
                unsigned int col = KEY_COL(key);
                unsigned short code = KEY_VAL(key);
 
-               keycodes[(row << 4) + col] = code;
+               keycodes[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
                __set_bit(code, input_dev->keybit);
        }
        __clear_bit(KEY_RESERVED, input_dev->keybit);
index 26e17a9a22eb7fd030edba83537a6d3b68749081..27ee976eb54cea4e561fd32665ccfa539d244b96 100644 (file)
@@ -611,6 +611,20 @@ static struct key_entry keymap_wistron_generic[] __initdata = {
        { KE_END, 0 }
 };
 
+static struct key_entry keymap_prestigio[] __initdata = {
+       { KE_KEY,  0x11, {KEY_PROG1} },
+       { KE_KEY,  0x12, {KEY_PROG2} },
+       { KE_WIFI,  0x30 },
+       { KE_KEY,  0x22, {KEY_REWIND} },
+       { KE_KEY,  0x23, {KEY_FORWARD} },
+       { KE_KEY,  0x24, {KEY_PLAYPAUSE} },
+       { KE_KEY,  0x25, {KEY_STOPCD} },
+       { KE_KEY,  0x31, {KEY_MAIL} },
+       { KE_KEY,  0x36, {KEY_WWW} },
+       { KE_END,  0 }
+};
+
+
 /*
  * If your machine is not here (which is currently rather likely), please send
  * a list of buttons and their key codes (reported when loading this module
@@ -971,6 +985,8 @@ static int __init select_keymap(void)
        if (keymap_name != NULL) {
                if (strcmp (keymap_name, "1557/MS2141") == 0)
                        keymap = keymap_wistron_ms2141;
+               else if (strcmp (keymap_name, "prestigio") == 0)
+                       keymap = keymap_prestigio;
                else if (strcmp (keymap_name, "generic") == 0)
                        keymap = keymap_wistron_generic;
                else {
index 924e8ed7f2cf777f5d48767c18d5618027c031e6..ae04d8a494e56e4e6e47f16922879177a6a13283 100644 (file)
@@ -77,6 +77,14 @@ static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
                        DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
                },
        },
+       {
+               .ident = "ASUS G1S",
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
+                       DMI_MATCH(DMI_BOARD_NAME, "G1S"),
+                       DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
+               },
+       },
        {
                /* AUX LOOP command does not raise AUX IRQ */
                .ident = "ASUS P65UP5",
index 908844327db0ef3bb7dbf389d6d9e983a747ffe7..1e8aa590bb39b0a5e650037f61647860fd2b3ec1 100644 (file)
@@ -234,7 +234,7 @@ static int __devinit sdhci_of_probe(struct of_device *ofdev,
                return -ENODEV;
 
        host = sdhci_alloc_host(&ofdev->dev, sizeof(*of_host));
-       if (!host)
+       if (IS_ERR(host))
                return -ENOMEM;
 
        of_host = sdhci_priv(host);
index 0b98654d8eed27831b591c3ec2575771c44166d8..7a58bd5522fd736a83584acaf9a9472b4a57e876 100644 (file)
@@ -284,13 +284,6 @@ config MTD_L440GX
 
          BE VERY CAREFUL.
 
-config MTD_SBC8240
-       tristate "Flash device on SBC8240"
-       depends on MTD_JEDECPROBE && 8260
-       help
-          Flash access on the SBC8240 board from Wind River.  See
-          <http://www.windriver.com/products/sbc8240/>
-
 config MTD_TQM8XXL
        tristate "CFI Flash device mapped on TQM8XXL"
        depends on MTD_CFI && TQM8xxL
index 8bae7f9850c0b1acbb2e782734f01bd612f8a985..5beb0662d724b7097d3bb7fd5c62169f715d6a3e 100644 (file)
@@ -50,7 +50,6 @@ obj-$(CONFIG_MTD_UCLINUX)     += uclinux.o
 obj-$(CONFIG_MTD_NETtel)       += nettel.o
 obj-$(CONFIG_MTD_SCB2_FLASH)   += scb2_flash.o
 obj-$(CONFIG_MTD_H720X)                += h720x-flash.o
-obj-$(CONFIG_MTD_SBC8240)      += sbc8240.o
 obj-$(CONFIG_MTD_IXP4XX)       += ixp4xx.o
 obj-$(CONFIG_MTD_IXP2000)      += ixp2000.o
 obj-$(CONFIG_MTD_WRSBC8260)    += wr_sbc82xx_flash.o
index d5374cdcb163bc82b3bbaa94a87062431be9cf8e..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644 (file)
@@ -1,250 +0,0 @@
-/*
- * Handle mapping of the flash memory access routines on the SBC8240 board.
- *
- * Carolyn Smith, Tektronix, Inc.
- *
- * This code is GPLed
- */
-
-/*
- * The SBC8240 has 2 flash banks.
- * Bank 0 is a 512 KiB AMD AM29F040B; 8 x 64 KiB sectors.
- * It contains the U-Boot code (7 sectors) and the environment (1 sector).
- * Bank 1 is 4 x 1 MiB AMD AM29LV800BT; 15 x 64 KiB sectors, 1 x 32 KiB sector,
- * 2 x 8 KiB sectors, 1 x 16 KiB sectors.
- * Both parts are JEDEC compatible.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <asm/io.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/cfi.h>
-
-#ifdef CONFIG_MTD_PARTITIONS
-#include <linux/mtd/partitions.h>
-#endif
-
-#define        DEBUG
-
-#ifdef DEBUG
-# define debugk(fmt,args...)   printk(fmt ,##args)
-#else
-# define debugk(fmt,args...)
-#endif
-
-
-#define WINDOW_ADDR0   0xFFF00000              /* 512 KiB */
-#define WINDOW_SIZE0   0x00080000
-#define BUSWIDTH0      1
-
-#define WINDOW_ADDR1   0xFF000000              /* 4 MiB */
-#define WINDOW_SIZE1   0x00400000
-#define BUSWIDTH1      8
-
-#define MSG_PREFIX "sbc8240:"  /* prefix for our printk()'s */
-#define MTDID     "sbc8240-%d" /* for mtdparts= partitioning */
-
-
-static struct map_info sbc8240_map[2] = {
-       {
-               .name           = "sbc8240 Flash Bank #0",
-               .size           = WINDOW_SIZE0,
-               .bankwidth       = BUSWIDTH0,
-       },
-       {
-               .name           = "sbc8240 Flash Bank #1",
-               .size           = WINDOW_SIZE1,
-               .bankwidth       = BUSWIDTH1,
-       }
-};
-
-#define NUM_FLASH_BANKS        ARRAY_SIZE(sbc8240_map)
-
-/*
- * The following defines the partition layout of SBC8240 boards.
- *
- * See include/linux/mtd/partitions.h for definition of the
- * mtd_partition structure.
- *
- * The *_max_flash_size is the maximum possible mapped flash size
- * which is not necessarily the actual flash size. It must correspond
- * to the value specified in the mapping definition defined by the
- * "struct map_desc *_io_desc" for the corresponding machine.
- */
-
-#ifdef CONFIG_MTD_PARTITIONS
-
-static struct mtd_partition sbc8240_uboot_partitions [] = {
-       /* Bank 0 */
-       {
-               .name = "U-boot",                       /* U-Boot Firmware      */
-               .offset =       0,
-               .size = 0x00070000,                     /*  7 x 64 KiB sectors  */
-               .mask_flags = MTD_WRITEABLE,            /*  force read-only     */
-       },
-       {
-               .name = "environment",                  /* U-Boot environment   */
-               .offset =       0x00070000,
-               .size = 0x00010000,                     /*  1 x 64 KiB sector   */
-       },
-};
-
-static struct mtd_partition sbc8240_fs_partitions [] = {
-       {
-               .name = "jffs",                         /* JFFS  filesystem     */
-               .offset =       0,
-               .size = 0x003C0000,                     /*  4 * 15 * 64KiB      */
-       },
-       {
-               .name = "tmp32",
-               .offset =       0x003C0000,
-               .size = 0x00020000,                     /*  4 * 32KiB           */
-       },
-       {
-               .name = "tmp8a",
-               .offset =       0x003E0000,
-               .size = 0x00008000,                     /*  4 * 8KiB            */
-       },
-       {
-               .name = "tmp8b",
-               .offset =       0x003E8000,
-               .size = 0x00008000,                     /*  4 * 8KiB            */
-       },
-       {
-               .name = "tmp16",
-               .offset =       0x003F0000,
-               .size = 0x00010000,                     /*  4 * 16KiB           */
-       }
-};
-
-/* trivial struct to describe partition information */
-struct mtd_part_def
-{
-       int nums;
-       unsigned char *type;
-       struct mtd_partition* mtd_part;
-};
-
-static struct mtd_info *sbc8240_mtd[NUM_FLASH_BANKS];
-static struct mtd_part_def sbc8240_part_banks[NUM_FLASH_BANKS];
-
-
-#endif /* CONFIG_MTD_PARTITIONS */
-
-
-static int __init init_sbc8240_mtd (void)
-{
-       static struct _cjs {
-               u_long addr;
-               u_long size;
-       } pt[NUM_FLASH_BANKS] = {
-               {
-                       .addr = WINDOW_ADDR0,
-                       .size = WINDOW_SIZE0
-               },
-               {
-                       .addr = WINDOW_ADDR1,
-                       .size = WINDOW_SIZE1
-               },
-       };
-
-       int devicesfound = 0;
-       int i,j;
-
-       for (i = 0; i < NUM_FLASH_BANKS; i++) {
-               printk (KERN_NOTICE MSG_PREFIX
-                       "Probing 0x%08lx at 0x%08lx\n", pt[i].size, pt[i].addr);
-
-               sbc8240_map[i].map_priv_1 =
-                       (unsigned long) ioremap (pt[i].addr, pt[i].size);
-               if (!sbc8240_map[i].map_priv_1) {
-                       printk (MSG_PREFIX "failed to ioremap\n");
-                       for (j = 0; j < i; j++) {
-                               iounmap((void *) sbc8240_map[j].map_priv_1);
-                               sbc8240_map[j].map_priv_1 = 0;
-                       }
-                       return -EIO;
-               }
-               simple_map_init(&sbc8240_mtd[i]);
-
-               sbc8240_mtd[i] = do_map_probe("jedec_probe", &sbc8240_map[i]);
-
-               if (sbc8240_mtd[i]) {
-                       sbc8240_mtd[i]->module = THIS_MODULE;
-                       devicesfound++;
-               } else {
-                       if (sbc8240_map[i].map_priv_1) {
-                               iounmap((void *) sbc8240_map[i].map_priv_1);
-                               sbc8240_map[i].map_priv_1 = 0;
-                       }
-               }
-       }
-
-       if (!devicesfound) {
-               printk(KERN_NOTICE MSG_PREFIX
-                      "No suppported flash chips found!\n");
-               return -ENXIO;
-       }
-
-#ifdef CONFIG_MTD_PARTITIONS
-       sbc8240_part_banks[0].mtd_part   = sbc8240_uboot_partitions;
-       sbc8240_part_banks[0].type       = "static image";
-       sbc8240_part_banks[0].nums       = ARRAY_SIZE(sbc8240_uboot_partitions);
-       sbc8240_part_banks[1].mtd_part   = sbc8240_fs_partitions;
-       sbc8240_part_banks[1].type       = "static file system";
-       sbc8240_part_banks[1].nums       = ARRAY_SIZE(sbc8240_fs_partitions);
-
-       for (i = 0; i < NUM_FLASH_BANKS; i++) {
-
-               if (!sbc8240_mtd[i]) continue;
-               if (sbc8240_part_banks[i].nums == 0) {
-                       printk (KERN_NOTICE MSG_PREFIX
-                               "No partition info available, registering whole device\n");
-                       add_mtd_device(sbc8240_mtd[i]);
-               } else {
-                       printk (KERN_NOTICE MSG_PREFIX
-                               "Using %s partition definition\n", sbc8240_part_banks[i].mtd_part->name);
-                       add_mtd_partitions (sbc8240_mtd[i],
-                                           sbc8240_part_banks[i].mtd_part,
-                                           sbc8240_part_banks[i].nums);
-               }
-       }
-#else
-       printk(KERN_NOTICE MSG_PREFIX
-              "Registering %d flash banks at once\n", devicesfound);
-
-       for (i = 0; i < devicesfound; i++) {
-               add_mtd_device(sbc8240_mtd[i]);
-       }
-#endif /* CONFIG_MTD_PARTITIONS */
-
-       return devicesfound == 0 ? -ENXIO : 0;
-}
-
-static void __exit cleanup_sbc8240_mtd (void)
-{
-       int i;
-
-       for (i = 0; i < NUM_FLASH_BANKS; i++) {
-               if (sbc8240_mtd[i]) {
-                       del_mtd_device (sbc8240_mtd[i]);
-                       map_destroy (sbc8240_mtd[i]);
-               }
-               if (sbc8240_map[i].map_priv_1) {
-                       iounmap ((void *) sbc8240_map[i].map_priv_1);
-                       sbc8240_map[i].map_priv_1 = 0;
-               }
-       }
-}
-
-module_init (init_sbc8240_mtd);
-module_exit (cleanup_sbc8240_mtd);
-
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Carolyn Smith <carolyn.smith@tektronix.com>");
-MODULE_DESCRIPTION ("MTD map driver for SBC8240 boards");
-
index c3f62654b6df4bee93cc69a86ca839031186f910..7baba40c1ed225f38921e2143514822080bc67ae 100644 (file)
@@ -144,7 +144,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
        struct mtd_blktrans_ops *tr = dev->tr;
        int ret = -ENODEV;
 
-       if (!try_module_get(dev->mtd->owner))
+       if (!get_mtd_device(NULL, dev->mtd->index))
                goto out;
 
        if (!try_module_get(tr->owner))
@@ -158,7 +158,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode)
        ret = 0;
        if (tr->open && (ret = tr->open(dev))) {
                dev->mtd->usecount--;
-               module_put(dev->mtd->owner);
+               put_mtd_device(dev->mtd);
        out_tr:
                module_put(tr->owner);
        }
@@ -177,7 +177,7 @@ static int blktrans_release(struct gendisk *disk, fmode_t mode)
 
        if (!ret) {
                dev->mtd->usecount--;
-               module_put(dev->mtd->owner);
+               put_mtd_device(dev->mtd);
                module_put(tr->owner);
        }
 
index 208c6faa0358afe995608599ea7e39dc4a405e6d..77db5ce24d92b9fed41970d83bb1346a95740d85 100644 (file)
@@ -29,6 +29,8 @@ static struct mtdblk_dev {
        enum { STATE_EMPTY, STATE_CLEAN, STATE_DIRTY } cache_state;
 } *mtdblks[MAX_MTD_DEVICES];
 
+static struct mutex mtdblks_lock;
+
 /*
  * Cache stuff...
  *
@@ -270,15 +272,19 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
 
        DEBUG(MTD_DEBUG_LEVEL1,"mtdblock_open\n");
 
+       mutex_lock(&mtdblks_lock);
        if (mtdblks[dev]) {
                mtdblks[dev]->count++;
+               mutex_unlock(&mtdblks_lock);
                return 0;
        }
 
        /* OK, it's not open. Create cache info for it */
        mtdblk = kzalloc(sizeof(struct mtdblk_dev), GFP_KERNEL);
-       if (!mtdblk)
+       if (!mtdblk) {
+               mutex_unlock(&mtdblks_lock);
                return -ENOMEM;
+       }
 
        mtdblk->count = 1;
        mtdblk->mtd = mtd;
@@ -291,6 +297,7 @@ static int mtdblock_open(struct mtd_blktrans_dev *mbd)
        }
 
        mtdblks[dev] = mtdblk;
+       mutex_unlock(&mtdblks_lock);
 
        DEBUG(MTD_DEBUG_LEVEL1, "ok\n");
 
@@ -304,6 +311,8 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
 
        DEBUG(MTD_DEBUG_LEVEL1, "mtdblock_release\n");
 
+       mutex_lock(&mtdblks_lock);
+
        mutex_lock(&mtdblk->cache_mutex);
        write_cached_data(mtdblk);
        mutex_unlock(&mtdblk->cache_mutex);
@@ -316,6 +325,9 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
                vfree(mtdblk->cache_data);
                kfree(mtdblk);
        }
+
+       mutex_unlock(&mtdblks_lock);
+
        DEBUG(MTD_DEBUG_LEVEL1, "ok\n");
 
        return 0;
@@ -376,6 +388,8 @@ static struct mtd_blktrans_ops mtdblock_tr = {
 
 static int __init init_mtdblock(void)
 {
+       mutex_init(&mtdblks_lock);
+
        return register_mtd_blktrans(&mtdblock_tr);
 }
 
index fac54a3fa3f189c60aaf58a197be7867aed4ca80..00ebf7af7467b6b35dac1a2e2c32c432b11528ad 100644 (file)
@@ -65,8 +65,8 @@ static void mtd_release(struct device *dev)
 static int mtd_cls_suspend(struct device *dev, pm_message_t state)
 {
        struct mtd_info *mtd = dev_to_mtd(dev);
-       
-       if (mtd->suspend)
+
+       if (mtd && mtd->suspend)
                return mtd->suspend(mtd);
        else
                return 0;
@@ -76,7 +76,7 @@ static int mtd_cls_resume(struct device *dev)
 {
        struct mtd_info *mtd = dev_to_mtd(dev);
        
-       if (mtd->resume)
+       if (mtd && mtd->resume)
                mtd->resume(mtd);
        return 0;
 }
@@ -298,6 +298,7 @@ int add_mtd_device(struct mtd_info *mtd)
                        mtd->dev.class = &mtd_class;
                        mtd->dev.devt = MTD_DEVT(i);
                        dev_set_name(&mtd->dev, "mtd%d", i);
+                       dev_set_drvdata(&mtd->dev, mtd);
                        if (device_register(&mtd->dev) != 0) {
                                mtd_table[i] = NULL;
                                break;
index 38d656b9b2eecc8f5029bb0b7a6e89f921ff5a2d..0108ed42e877b628d773f4ee847bccd47c98bbc7 100644 (file)
@@ -266,7 +266,7 @@ static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area)
 
        if (ONENAND_CURRENT_BUFFERRAM(this)) {
                if (area == ONENAND_DATARAM)
-                       return mtd->writesize;
+                       return this->writesize;
                if (area == ONENAND_SPARERAM)
                        return mtd->oobsize;
        }
@@ -770,6 +770,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
        }
        iounmap(c->onenand.base);
        release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+       gpmc_cs_free(c->gpmc_cs);
        kfree(c);
 
        return 0;
index ebc9b8dca881f588e974fbcb60faabf9642902f8..2314ad7ee5fef4544ab2159cd7e253ed6e1d3889 100644 (file)
@@ -1505,7 +1505,6 @@ static int domain_context_mapping_one(struct dmar_domain *domain, int segment,
                        }
 
                        set_bit(num, iommu->domain_ids);
-                       set_bit(iommu->seq_id, &domain->iommu_bmp);
                        iommu->domains[num] = domain;
                        id = num;
                }
@@ -1648,6 +1647,14 @@ static int domain_context_mapped(struct pci_dev *pdev)
                                             tmp->devfn);
 }
 
+/* Returns a number of VTD pages, but aligned to MM page size */
+static inline unsigned long aligned_nrpages(unsigned long host_addr,
+                                           size_t size)
+{
+       host_addr &= ~PAGE_MASK;
+       return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT;
+}
+
 static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
                            struct scatterlist *sg, unsigned long phys_pfn,
                            unsigned long nr_pages, int prot)
@@ -1675,7 +1682,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
                uint64_t tmp;
 
                if (!sg_res) {
-                       sg_res = (sg->offset + sg->length + VTD_PAGE_SIZE - 1) >> VTD_PAGE_SHIFT;
+                       sg_res = aligned_nrpages(sg->offset, sg->length);
                        sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset;
                        sg->dma_length = sg->length;
                        pteval = page_to_phys(sg_page(sg)) | prot;
@@ -2415,14 +2422,6 @@ error:
        return ret;
 }
 
-/* Returns a number of VTD pages, but aligned to MM page size */
-static inline unsigned long aligned_nrpages(unsigned long host_addr,
-                                           size_t size)
-{
-       host_addr &= ~PAGE_MASK;
-       return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT;
-}
-
 /* This takes a number of _MM_ pages, not VTD pages */
 static struct iova *intel_alloc_iova(struct device *dev,
                                     struct dmar_domain *domain,
@@ -2551,6 +2550,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
        int prot = 0;
        int ret;
        struct intel_iommu *iommu;
+       unsigned long paddr_pfn = paddr >> PAGE_SHIFT;
 
        BUG_ON(dir == DMA_NONE);
 
@@ -2585,7 +2585,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
         * is not a big problem
         */
        ret = domain_pfn_mapping(domain, mm_to_dma_pfn(iova->pfn_lo),
-                                paddr >> VTD_PAGE_SHIFT, size, prot);
+                                mm_to_dma_pfn(paddr_pfn), size, prot);
        if (ret)
                goto error;
 
@@ -2875,7 +2875,7 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int ne
 
        start_vpfn = mm_to_dma_pfn(iova->pfn_lo);
 
-       ret = domain_sg_mapping(domain, start_vpfn, sglist, mm_to_dma_pfn(size), prot);
+       ret = domain_sg_mapping(domain, start_vpfn, sglist, size, prot);
        if (unlikely(ret)) {
                /*  clear the page */
                dma_pte_clear_range(domain, start_vpfn,
@@ -3408,6 +3408,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width)
 
        domain->iommu_count = 0;
        domain->iommu_coherency = 0;
+       domain->iommu_snooping = 0;
        domain->max_addr = 0;
 
        /* always allocate the top pgd */
index 471a9a60376ae82a07a921e416b0ec35fb4dbdfe..3a44695b9c09b6c5c46b8fe9735b53df436177f8 100644 (file)
@@ -1082,7 +1082,6 @@ static void fbcon_init(struct vc_data *vc, int init)
        new_rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
        new_cols /= vc->vc_font.width;
        new_rows /= vc->vc_font.height;
-       vc_resize(vc, new_cols, new_rows);
 
        /*
         * We must always set the mode. The mode of the previous console
@@ -1111,10 +1110,11 @@ static void fbcon_init(struct vc_data *vc, int init)
         *  vc_{cols,rows}, but we must not set those if we are only
         *  resizing the console.
         */
-       if (!init) {
+       if (init) {
                vc->vc_cols = new_cols;
                vc->vc_rows = new_rows;
-       }
+       } else
+               vc_resize(vc, new_cols, new_rows);
 
        if (logo)
                fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);
index 75be5ce53dc541f74b15d014b2e652d6a627664c..e233444cda664783d055b372929cafd2f4ac2e89 100644 (file)
@@ -45,7 +45,7 @@ static inline void rotate_ud(const char *in, char *out, u32 width, u32 height)
        width = (width + 7) & ~7;
 
        for (i = 0; i < height; i++) {
-               for (j = 0; j < width; j++) {
+               for (j = 0; j < width - shift; j++) {
                        if (pattern_test_bit(j, i, width, in))
                                pattern_set_bit(width - (1 + j + shift),
                                                height - (1 + i),
index f8778cde218327aec8666b2e758c3763fb9e06a3..054ef29be4795dd75900b9b48e66db9494fbb725 100644 (file)
@@ -669,7 +669,8 @@ static uint32_t bpp_to_pixfmt(int bpp)
 }
 
 static int mx3fb_blank(int blank, struct fb_info *fbi);
-static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len);
+static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len,
+                                 bool lock);
 static int mx3fb_unmap_video_memory(struct fb_info *fbi);
 
 /**
@@ -711,12 +712,7 @@ static void mx3fb_dma_done(void *arg)
        complete(&mx3_fbi->flip_cmpl);
 }
 
-/**
- * mx3fb_set_par() - set framebuffer parameters and change the operating mode.
- * @fbi:       framebuffer information pointer.
- * @return:    0 on success or negative error code on failure.
- */
-static int mx3fb_set_par(struct fb_info *fbi)
+static int __set_par(struct fb_info *fbi, bool lock)
 {
        u32 mem_len;
        struct ipu_di_signal_cfg sig_cfg;
@@ -727,10 +723,6 @@ static int mx3fb_set_par(struct fb_info *fbi)
        struct idmac_video_param *video = &ichan->params.video;
        struct scatterlist *sg = mx3_fbi->sg;
 
-       dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+');
-
-       mutex_lock(&mx3_fbi->mutex);
-
        /* Total cleanup */
        if (mx3_fbi->txd)
                sdc_disable_channel(mx3_fbi);
@@ -742,10 +734,8 @@ static int mx3fb_set_par(struct fb_info *fbi)
                if (fbi->fix.smem_start)
                        mx3fb_unmap_video_memory(fbi);
 
-               if (mx3fb_map_video_memory(fbi, mem_len) < 0) {
-                       mutex_unlock(&mx3_fbi->mutex);
+               if (mx3fb_map_video_memory(fbi, mem_len, lock) < 0)
                        return -ENOMEM;
-               }
        }
 
        sg_init_table(&sg[0], 1);
@@ -791,7 +781,6 @@ static int mx3fb_set_par(struct fb_info *fbi)
                                   fbi->var.vsync_len,
                                   fbi->var.lower_margin +
                                   fbi->var.vsync_len, sig_cfg) != 0) {
-                       mutex_unlock(&mx3_fbi->mutex);
                        dev_err(fbi->device,
                                "mx3fb: Error initializing panel.\n");
                        return -EINVAL;
@@ -810,9 +799,30 @@ static int mx3fb_set_par(struct fb_info *fbi)
        if (mx3_fbi->blank == FB_BLANK_UNBLANK)
                sdc_enable_channel(mx3_fbi);
 
+       return 0;
+}
+
+/**
+ * mx3fb_set_par() - set framebuffer parameters and change the operating mode.
+ * @fbi:       framebuffer information pointer.
+ * @return:    0 on success or negative error code on failure.
+ */
+static int mx3fb_set_par(struct fb_info *fbi)
+{
+       struct mx3fb_info *mx3_fbi = fbi->par;
+       struct mx3fb_data *mx3fb = mx3_fbi->mx3fb;
+       struct idmac_channel *ichan = mx3_fbi->idmac_channel;
+       int ret;
+
+       dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+');
+
+       mutex_lock(&mx3_fbi->mutex);
+
+       ret = __set_par(fbi, true);
+
        mutex_unlock(&mx3_fbi->mutex);
 
-       return 0;
+       return ret;
 }
 
 /**
@@ -966,21 +976,11 @@ static int mx3fb_setcolreg(unsigned int regno, unsigned int red,
        return ret;
 }
 
-/**
- * mx3fb_blank() - blank the display.
- */
-static int mx3fb_blank(int blank, struct fb_info *fbi)
+static void __blank(int blank, struct fb_info *fbi)
 {
        struct mx3fb_info *mx3_fbi = fbi->par;
        struct mx3fb_data *mx3fb = mx3_fbi->mx3fb;
 
-       dev_dbg(fbi->device, "%s, blank = %d, base %p, len %u\n", __func__,
-               blank, fbi->screen_base, fbi->fix.smem_len);
-
-       if (mx3_fbi->blank == blank)
-               return 0;
-
-       mutex_lock(&mx3_fbi->mutex);
        mx3_fbi->blank = blank;
 
        switch (blank) {
@@ -999,6 +999,23 @@ static int mx3fb_blank(int blank, struct fb_info *fbi)
                sdc_set_brightness(mx3fb, mx3fb->backlight_level);
                break;
        }
+}
+
+/**
+ * mx3fb_blank() - blank the display.
+ */
+static int mx3fb_blank(int blank, struct fb_info *fbi)
+{
+       struct mx3fb_info *mx3_fbi = fbi->par;
+
+       dev_dbg(fbi->device, "%s, blank = %d, base %p, len %u\n", __func__,
+               blank, fbi->screen_base, fbi->fix.smem_len);
+
+       if (mx3_fbi->blank == blank)
+               return 0;
+
+       mutex_lock(&mx3_fbi->mutex);
+       __blank(blank, fbi);
        mutex_unlock(&mx3_fbi->mutex);
 
        return 0;
@@ -1198,6 +1215,7 @@ static int mx3fb_resume(struct platform_device *pdev)
  * mx3fb_map_video_memory() - allocates the DRAM memory for the frame buffer.
  * @fbi:       framebuffer information pointer
  * @mem_len:   length of mapped memory
+ * @lock:      do not lock during initialisation
  * @return:    Error code indicating success or failure
  *
  * This buffer is remapped into a non-cached, non-buffered, memory region to
@@ -1205,7 +1223,8 @@ static int mx3fb_resume(struct platform_device *pdev)
  * area is remapped, all virtual memory access to the video memory should occur
  * at the new region.
  */
-static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len)
+static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len,
+                                 bool lock)
 {
        int retval = 0;
        dma_addr_t addr;
@@ -1221,10 +1240,12 @@ static int mx3fb_map_video_memory(struct fb_info *fbi, unsigned int mem_len)
                goto err0;
        }
 
-       mutex_lock(&fbi->mm_lock);
+       if (lock)
+               mutex_lock(&fbi->mm_lock);
        fbi->fix.smem_start = addr;
        fbi->fix.smem_len = mem_len;
-       mutex_unlock(&fbi->mm_lock);
+       if (lock)
+               mutex_unlock(&fbi->mm_lock);
 
        dev_dbg(fbi->device, "allocated fb @ p=0x%08x, v=0x%p, size=%d.\n",
                (uint32_t) fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
@@ -1365,6 +1386,11 @@ static int init_fb_chan(struct mx3fb_data *mx3fb, struct idmac_channel *ichan)
        init_completion(&mx3fbi->flip_cmpl);
        disable_irq(ichan->eof_irq);
        dev_dbg(mx3fb->dev, "disabling irq %d\n", ichan->eof_irq);
+       ret = __set_par(fbi, false);
+       if (ret < 0)
+               goto esetpar;
+
+       __blank(FB_BLANK_UNBLANK, fbi);
 
        dev_info(dev, "registered, using mode %s\n", fb_mode);
 
index fcd53ceb88fa4c76f99ba8ba4891ef550edab377..c8960003f47dc4e0e8ed4de2e0b62c91633af8ae 100644 (file)
@@ -2407,14 +2407,14 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
                        viafb_dvi_set_mode(viafb_get_mode_index
                                     (viaparinfo->tmds_setting_info->h_active,
                                      viaparinfo->tmds_setting_info->
-                                     v_active, 1),
+                                     v_active),
                                     video_bpp1, viaparinfo->
                                     tmds_setting_info->iga_path);
                } else {
                        viafb_dvi_set_mode(viafb_get_mode_index
                                     (viaparinfo->tmds_setting_info->h_active,
                                      viaparinfo->
-                                     tmds_setting_info->v_active, 0),
+                                     tmds_setting_info->v_active),
                                     video_bpp, viaparinfo->
                                     tmds_setting_info->iga_path);
                }
index 6c7290a6a44735d2f150282bda5e622f63f60c40..78c6b3387947e1a207525158b4924ca0cb0ffb71 100644 (file)
@@ -580,10 +580,7 @@ static void load_lcd_k400_patch_tbl(int set_hres, int set_vres,
        int reg_num = 0;
        struct io_reg *lcd_patch_reg = NULL;
 
-       if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-       else
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+       vmode_index = viafb_get_mode_index(set_hres, set_vres);
        switch (panel_id) {
                /* LCD 800x600 */
        case LCD_PANEL_ID1_800X600:
@@ -761,10 +758,7 @@ static void load_lcd_p880_patch_tbl(int set_hres, int set_vres,
        int reg_num = 0;
        struct io_reg *lcd_patch_reg = NULL;
 
-       if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-       else
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+       vmode_index = viafb_get_mode_index(set_hres, set_vres);
 
        switch (panel_id) {
        case LCD_PANEL_ID5_1400X1050:
@@ -832,10 +826,7 @@ static void load_lcd_patch_regs(int set_hres, int set_vres,
 {
        int vmode_index;
 
-       if (viaparinfo->lvds_setting_info->iga_path == IGA2)
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 1);
-       else
-               vmode_index = viafb_get_mode_index(set_hres, set_vres, 0);
+       vmode_index = viafb_get_mode_index(set_hres, set_vres);
 
        viafb_unlock_crt();
 
index a0fec298216ea26f86695e6253d774c3a0e23729..72833f3334b53ed583610906188c79e621811513 100644 (file)
@@ -32,7 +32,6 @@ static u32 pseudo_pal[17];
 /* video mode */
 static char *viafb_mode = "640x480";
 static char *viafb_mode1 = "640x480";
-static int viafb_resMode = VIA_RES_640X480;
 
 /* Added for specifying active devices.*/
 char *viafb_active_dev = "";
@@ -56,47 +55,47 @@ static void viafb_get_video_device(u32 *video_dev_info);
 
 /* Mode information */
 static const struct viafb_modeinfo viafb_modentry[] = {
-       {480, 640, VIA_RES_480X640, "480x640"},
-       {640, 480, VIA_RES_640X480, "640x480"},
-       {800, 480, VIA_RES_800X480, "800x480"},
-       {800, 600, VIA_RES_800X600, "800x600"},
-       {1024, 768, VIA_RES_1024X768, "1024x768"},
-       {1152, 864, VIA_RES_1152X864, "1152x864"},
-       {1280, 1024, VIA_RES_1280X1024, "1280x1024"},
-       {1600, 1200, VIA_RES_1600X1200, "1600x1200"},
-       {1440, 1050, VIA_RES_1440X1050, "1440x1050"},
-       {1280, 768, VIA_RES_1280X768, "1280x768"},
-       {1280, 800, VIA_RES_1280X800, "1280x800"},
-       {1280, 960, VIA_RES_1280X960, "1280x960"},
-       {1920, 1440, VIA_RES_1920X1440, "1920x1440"},
-       {848, 480, VIA_RES_848X480, "848x480"},
-       {1400, 1050, VIA_RES_1400X1050, "1400x1050"},
-       {720, 480, VIA_RES_720X480, "720x480"},
-       {720, 576, VIA_RES_720X576, "720x576"},
-       {1024, 512, VIA_RES_1024X512, "1024x512"},
-       {1024, 576, VIA_RES_1024X576, "1024x576"},
-       {1024, 600, VIA_RES_1024X600, "1024x600"},
-       {1280, 720, VIA_RES_1280X720, "1280x720"},
-       {1920, 1080, VIA_RES_1920X1080, "1920x1080"},
-       {1366, 768, VIA_RES_1368X768, "1368x768"},
-       {1680, 1050, VIA_RES_1680X1050, "1680x1050"},
-       {960, 600, VIA_RES_960X600, "960x600"},
-       {1000, 600, VIA_RES_1000X600, "1000x600"},
-       {1024, 576, VIA_RES_1024X576, "1024x576"},
-       {1024, 600, VIA_RES_1024X600, "1024x600"},
-       {1088, 612, VIA_RES_1088X612, "1088x612"},
-       {1152, 720, VIA_RES_1152X720, "1152x720"},
-       {1200, 720, VIA_RES_1200X720, "1200x720"},
-       {1280, 600, VIA_RES_1280X600, "1280x600"},
-       {1360, 768, VIA_RES_1360X768, "1360x768"},
-       {1440, 900, VIA_RES_1440X900, "1440x900"},
-       {1600, 900, VIA_RES_1600X900, "1600x900"},
-       {1600, 1024, VIA_RES_1600X1024, "1600x1024"},
-       {1792, 1344, VIA_RES_1792X1344, "1792x1344"},
-       {1856, 1392, VIA_RES_1856X1392, "1856x1392"},
-       {1920, 1200, VIA_RES_1920X1200, "1920x1200"},
-       {2048, 1536, VIA_RES_2048X1536, "2048x1536"},
-       {0, 0, VIA_RES_INVALID, "640x480"}
+       {480, 640, VIA_RES_480X640},
+       {640, 480, VIA_RES_640X480},
+       {800, 480, VIA_RES_800X480},
+       {800, 600, VIA_RES_800X600},
+       {1024, 768, VIA_RES_1024X768},
+       {1152, 864, VIA_RES_1152X864},
+       {1280, 1024, VIA_RES_1280X1024},
+       {1600, 1200, VIA_RES_1600X1200},
+       {1440, 1050, VIA_RES_1440X1050},
+       {1280, 768, VIA_RES_1280X768,},
+       {1280, 800, VIA_RES_1280X800},
+       {1280, 960, VIA_RES_1280X960},
+       {1920, 1440, VIA_RES_1920X1440},
+       {848, 480, VIA_RES_848X480},
+       {1400, 1050, VIA_RES_1400X1050},
+       {720, 480, VIA_RES_720X480},
+       {720, 576, VIA_RES_720X576},
+       {1024, 512, VIA_RES_1024X512},
+       {1024, 576, VIA_RES_1024X576},
+       {1024, 600, VIA_RES_1024X600},
+       {1280, 720, VIA_RES_1280X720},
+       {1920, 1080, VIA_RES_1920X1080},
+       {1366, 768, VIA_RES_1368X768},
+       {1680, 1050, VIA_RES_1680X1050},
+       {960, 600, VIA_RES_960X600},
+       {1000, 600, VIA_RES_1000X600},
+       {1024, 576, VIA_RES_1024X576},
+       {1024, 600, VIA_RES_1024X600},
+       {1088, 612, VIA_RES_1088X612},
+       {1152, 720, VIA_RES_1152X720},
+       {1200, 720, VIA_RES_1200X720},
+       {1280, 600, VIA_RES_1280X600},
+       {1360, 768, VIA_RES_1360X768},
+       {1440, 900, VIA_RES_1440X900},
+       {1600, 900, VIA_RES_1600X900},
+       {1600, 1024, VIA_RES_1600X1024},
+       {1792, 1344, VIA_RES_1792X1344},
+       {1856, 1392, VIA_RES_1856X1392},
+       {1920, 1200, VIA_RES_1920X1200},
+       {2048, 1536, VIA_RES_2048X1536},
+       {0, 0, VIA_RES_INVALID}
 };
 
 static struct fb_ops viafb_ops;
@@ -177,7 +176,7 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
        if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
                return -EINVAL;
 
-       vmode_index = viafb_get_mode_index(var->xres, var->yres, 0);
+       vmode_index = viafb_get_mode_index(var->xres, var->yres);
        if (vmode_index == VIA_RES_INVALID) {
                DEBUG_MSG(KERN_INFO
                          "viafb: Mode %dx%dx%d not supported!!\n",
@@ -233,14 +232,14 @@ static int viafb_set_par(struct fb_info *info)
        viafb_update_device_setting(info->var.xres, info->var.yres,
                              info->var.bits_per_pixel, viafb_refresh, 0);
 
-       vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0);
+       vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
 
        if (viafb_SAMM_ON == 1) {
                DEBUG_MSG(KERN_INFO
                "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
                          viafb_second_xres, viafb_second_yres, viafb_bpp1);
                vmode_index1 = viafb_get_mode_index(viafb_second_xres,
-                       viafb_second_yres, 1);
+                       viafb_second_yres);
                DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
                        vmode_index1);
 
@@ -1262,7 +1261,7 @@ static int viafb_sync(struct fb_info *info)
        return 0;
 }
 
-int viafb_get_mode_index(int hres, int vres, int flag)
+int viafb_get_mode_index(int hres, int vres)
 {
        u32 i;
        DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
@@ -1272,13 +1271,7 @@ int viafb_get_mode_index(int hres, int vres, int flag)
                        viafb_modentry[i].yres == vres)
                        break;
 
-       viafb_resMode = viafb_modentry[i].mode_index;
-       if (flag)
-               viafb_mode1 = viafb_modentry[i].mode_res;
-       else
-               viafb_mode = viafb_modentry[i].mode_res;
-
-       return viafb_resMode;
+       return viafb_modentry[i].mode_index;
 }
 
 static void check_available_device_to_enable(int device_id)
@@ -2199,7 +2192,7 @@ static int __devinit via_pci_probe(void)
        strict_strtoul(tmpc, 0, &default_xres);
        strict_strtoul(tmpm, 0, &default_yres);
 
-       vmode_index = viafb_get_mode_index(default_xres, default_yres, 0);
+       vmode_index = viafb_get_mode_index(default_xres, default_yres);
        DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
 
        if (viafb_SAMM_ON == 1) {
index a4158e8728783bc8b1e65a22310d633dfca0b11b..227b000feb3839f289a5bea173d54aff1c4c38c7 100644 (file)
@@ -81,7 +81,6 @@ struct viafb_modeinfo {
        u32 xres;
        u32 yres;
        int mode_index;
-       char *mode_res;
 };
 extern unsigned int viafb_second_virtual_yres;
 extern unsigned int viafb_second_virtual_xres;
@@ -102,7 +101,7 @@ extern int strict_strtoul(const char *cp, unsigned int base,
 void viafb_memory_pitch_patch(struct fb_info *info);
 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
                          int mode_index);
-int viafb_get_mode_index(int hres, int vres, int flag);
+int viafb_get_mode_index(int hres, int vres);
 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
        *plvds_setting_info, struct lvds_chip_information
        *plvds_chip_info, u8 index);
index a7e3b706b9d31f0cce657c448de4bedf8d91bd48..0d92969404c37098ade2311882ffd2a88ba8a9ba 100644 (file)
@@ -687,6 +687,7 @@ static int omap_hdq_remove(struct platform_device *pdev)
 
        if (hdq_data->hdq_usecount) {
                dev_dbg(&pdev->dev, "removed when use count is not zero\n");
+               mutex_unlock(&hdq_data->hdq_mutex);
                return -EBUSY;
        }
 
index 697f6b5f13139ac5ea95a3f7456687299f26775e..e92f229e3c6e9d994d61f5581625c35c2bde6bd7 100644 (file)
@@ -828,15 +828,22 @@ static int load_flat_shared_library(int id, struct lib_info *libs)
        if (IS_ERR(bprm.file))
                return res;
 
+       bprm.cred = prepare_exec_creds();
+       res = -ENOMEM;
+       if (!bprm.cred)
+               goto out;
+
        res = prepare_binprm(&bprm);
 
        if (res <= (unsigned long)-4096)
                res = load_flat_file(&bprm, libs, id, NULL);
-       if (bprm.file) {
-               allow_write_access(bprm.file);
-               fput(bprm.file);
-               bprm.file = NULL;
-       }
+
+       abort_creds(bprm.cred);
+
+out:
+       allow_write_access(bprm.file);
+       fput(bprm.file);
+
        return(res);
 }
 
index f28f070a60fc3b30addbfe50d6e250df734a9879..f91fd51b32e321efc97a61b0d79274ecd81533ca 100644 (file)
@@ -1905,6 +1905,7 @@ COMPATIBLE_IOCTL(FIONCLEX)
 COMPATIBLE_IOCTL(FIOASYNC)
 COMPATIBLE_IOCTL(FIONBIO)
 COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
+COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
 /* 0x00 */
 COMPATIBLE_IOCTL(FIBMAP)
 COMPATIBLE_IOCTL(FIGETBSZ)
index 5edc2bf2058134505369a0f7844363f7e3a2ecfd..23c947539864a0c0613ade018cb9e6400149de3a 100644 (file)
@@ -99,7 +99,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg)
        kunmap(pg);
 
        D2(printk(KERN_DEBUG "readpage finished\n"));
-       return 0;
+       return ret;
 }
 
 int jffs2_do_readpage_unlock(struct inode *inode, struct page *pg)
index 277c28a63ead1b564313cd21363bec9c15b2bf2e..7230787d18b02979122218429b4bf8af59b24cf7 100644 (file)
@@ -316,7 +316,8 @@ EXPORT_SYMBOL_GPL(mnt_clone_write);
  */
 int mnt_want_write_file(struct file *file)
 {
-       if (!(file->f_mode & FMODE_WRITE))
+       struct inode *inode = file->f_dentry->d_inode;
+       if (!(file->f_mode & FMODE_WRITE) || special_file(inode->i_mode))
                return mnt_want_write(file->f_path.mnt);
        else
                return mnt_clone_write(file->f_path.mnt);
index 9d4c00491547b65d562e115cd92407eb578a3298..853508499d20d12b5d197178e68bbc809633e55b 100644 (file)
        {0x1002, 0x9614, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
        {0x1002, 0x9615, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
        {0x1002, 0x9616, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS780|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+       {0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+       {0x1002, 0x9711, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+       {0x1002, 0x9712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+       {0x1002, 0x9713, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+       {0x1002, 0x9714, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
        {0, 0, 0}
 
 #define r128_PCI_IDS \
index 6dfb856327bbe714300ae004cba6787d59d961d0..0c7111a55a1aaf101dd5aefbef1f77036ed599d6 100644 (file)
@@ -1,31 +1,37 @@
 #ifndef DECOMPRESS_GENERIC_H
 #define DECOMPRESS_GENERIC_H
 
-/* Minimal chunksize to be read.
- *Bzip2 prefers at least 4096
- *Lzma prefers 0x10000 */
-#define COMPR_IOBUF_SIZE       4096
-
 typedef int (*decompress_fn) (unsigned char *inbuf, int len,
                              int(*fill)(void*, unsigned int),
-                             int(*writebb)(void*, unsigned int),
-                             unsigned char *output,
+                             int(*flush)(void*, unsigned int),
+                             unsigned char *outbuf,
                              int *posp,
                              void(*error)(char *x));
 
 /* inbuf   - input buffer
  *len     - len of pre-read data in inbuf
- *fill    - function to fill inbuf if empty
- *writebb - function to write out outbug
+ *fill    - function to fill inbuf when empty
+ *flush   - function to write out outbuf
+ *outbuf  - output buffer
  *posp    - if non-null, input position (number of bytes read) will be
  *       returned here
  *
- *If len != 0, the inbuf is initialized (with as much data), and fill
- *should not be called
- *If len = 0, the inbuf is allocated, but empty. Its size is IOBUF_SIZE
- *fill should be called (repeatedly...) to read data, at most IOBUF_SIZE
+ *If len != 0, inbuf should contain all the necessary input data, and fill
+ *should be NULL
+ *If len = 0, inbuf can be NULL, in which case the decompressor will allocate
+ *the input buffer.  If inbuf != NULL it must be at least XXX_IOBUF_SIZE bytes.
+ *fill will be called (repeatedly...) to read data, at most XXX_IOBUF_SIZE
+ *bytes should be read per call.  Replace XXX with the appropriate decompressor
+ *name, i.e. LZMA_IOBUF_SIZE.
+ *
+ *If flush = NULL, outbuf must be large enough to buffer all the expected
+ *output.  If flush != NULL, the output buffer will be allocated by the
+ *decompressor (outbuf = NULL), and the flush function will be called to
+ *flush the output buffer at the appropriate time (decompressor and stream
+ *dependent).
  */
 
+
 /* Utility routine to detect the decompression method */
 decompress_fn decompress_method(const unsigned char *inbuf, int len,
                                const char **name);
index 5c093ffc655bfd36c1579f539d5520a0ded30c15..d7cd193c2277a1191e16f5d5fcd93d5ee9a2b6d5 100644 (file)
@@ -119,11 +119,9 @@ struct ftrace_event_call {
        void                    *filter;
        void                    *mod;
 
-#ifdef CONFIG_EVENT_PROFILE
-       atomic_t        profile_count;
-       int             (*profile_enable)(struct ftrace_event_call *);
-       void            (*profile_disable)(struct ftrace_event_call *);
-#endif
+       atomic_t                profile_count;
+       int                     (*profile_enable)(struct ftrace_event_call *);
+       void                    (*profile_disable)(struct ftrace_event_call *);
 };
 
 #define MAX_FILTER_PRED                32
index 7964516c6954418d279f7df2b8119918a323bcee..15d5903af2dd143ddc26abd34a38977fe986d729 100644 (file)
 #define KEY_COL(k)             (((k) >> 16) & 0xff)
 #define KEY_VAL(k)             ((k) & 0xffff)
 
+#define MATRIX_SCAN_CODE(row, col, row_shift)  (((row) << (row_shift)) + (col))
+
 /**
  * struct matrix_keymap_data - keymap for matrix keyboards
  * @keymap: pointer to array of uint32 values encoded with KEY() macro
  *     representing keymap
  * @keymap_size: number of entries (initialized) in this keymap
- * @max_keymap_size: maximum size of keymap supported by the device
  *
  * This structure is supposed to be used by platform code to supply
  * keymaps to drivers that implement matrix-like keypads/keyboards.
 struct matrix_keymap_data {
        const uint32_t *keymap;
        unsigned int    keymap_size;
-       unsigned int    max_keymap_size;
 };
 
 /**
  * struct matrix_keypad_platform_data - platform-dependent keypad data
  * @keymap_data: pointer to &matrix_keymap_data
- * @row_gpios: array of gpio numbers reporesenting rows
- * @col_gpios: array of gpio numbers reporesenting colums
+ * @row_gpios: pointer to array of gpio numbers representing rows
+ * @col_gpios: pointer to array of gpio numbers reporesenting colums
  * @num_row_gpios: actual number of row gpios used by device
  * @num_col_gpios: actual number of col gpios used by device
  * @col_scan_delay_us: delay, measured in microseconds, that is
@@ -48,8 +48,9 @@ struct matrix_keymap_data {
 struct matrix_keypad_platform_data {
        const struct matrix_keymap_data *keymap_data;
 
-       unsigned int    row_gpios[MATRIX_MAX_ROWS];
-       unsigned int    col_gpios[MATRIX_MAX_COLS];
+       const unsigned int *row_gpios;
+       const unsigned int *col_gpios;
+
        unsigned int    num_row_gpios;
        unsigned int    num_col_gpios;
 
index 5675b63a0631fd46b54f5e3f6781b4b9b87c6936..0f32a9b6ff554ac2a59468e8b17bb37d15de6339 100644 (file)
@@ -251,7 +251,7 @@ struct mtd_info {
 
 static inline struct mtd_info *dev_to_mtd(struct device *dev)
 {
-       return dev ? container_of(dev, struct mtd_info, dev) : NULL;
+       return dev ? dev_get_drvdata(dev) : NULL;
 }
 
 static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
index af6dcb992bc35896a131d58c4871570436c5b795..b70313d33ff8ba0390889c7a87b8415ac6f3b27c 100644 (file)
@@ -47,6 +47,8 @@ struct mtd_partition {
 #define MTDPART_SIZ_FULL       (0)
 
 
+struct mtd_info;
+
 int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
 int del_mtd_partitions(struct mtd_info *);
 
index 829b94b156f28ec0ed7c0d8dbc2dfeab4ea6825b..b359c4a9ec9e8decdaef46083c78d045dc5d156e 100644 (file)
  *    to generate slightly worse code.  So use a simple one-line #define
  *    for node_isset(), instead of wrapping an inline inside a macro, the
  *    way we do the other calls.
+ *
+ * NODEMASK_SCRATCH
+ * When doing above logical AND, OR, XOR, Remap operations the callers tend to
+ * need temporary nodemask_t's on the stack. But if NODES_SHIFT is large,
+ * nodemask_t's consume too much stack space.  NODEMASK_SCRATCH is a helper
+ * for such situations. See below and CPUMASK_ALLOC also.
  */
 
 #include <linux/kernel.h>
@@ -473,4 +479,26 @@ static inline int num_node_state(enum node_states state)
 #define for_each_node(node)       for_each_node_state(node, N_POSSIBLE)
 #define for_each_online_node(node) for_each_node_state(node, N_ONLINE)
 
+/*
+ * For nodemask scrach area.(See CPUMASK_ALLOC() in cpumask.h)
+ */
+
+#if NODES_SHIFT > 8 /* nodemask_t > 64 bytes */
+#define NODEMASK_ALLOC(x, m) struct x *m = kmalloc(sizeof(*m), GFP_KERNEL)
+#define NODEMASK_FREE(m) kfree(m)
+#else
+#define NODEMASK_ALLOC(x, m) struct x _m, *m = &_m
+#define NODEMASK_FREE(m)
+#endif
+
+/* A example struture for using NODEMASK_ALLOC, used in mempolicy. */
+struct nodemask_scratch {
+       nodemask_t      mask1;
+       nodemask_t      mask2;
+};
+
+#define NODEMASK_SCRATCH(x) NODEMASK_ALLOC(nodemask_scratch, x)
+#define NODEMASK_SCRATCH_FREE(x)  NODEMASK_FREE(x)
+
+
 #endif /* __LINUX_NODEMASK_H */
index 466531eb92cce0730cc4ac9161a7af1e927d15a9..021e1138556e22ce7b35dbdd06267f67f0057a98 100644 (file)
@@ -568,18 +568,18 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
         * the value intact in a core dump, and to save the unnecessary
         * trouble otherwise.  Userland only wants this done for a sys_exit.
         */
-       if (tsk->clear_child_tid
-           && !(tsk->flags & PF_SIGNALED)
-           && atomic_read(&mm->mm_users) > 1) {
-               u32 __user * tidptr = tsk->clear_child_tid;
+       if (tsk->clear_child_tid) {
+               if (!(tsk->flags & PF_SIGNALED) &&
+                   atomic_read(&mm->mm_users) > 1) {
+                       /*
+                        * We don't check the error code - if userspace has
+                        * not set up a proper pointer then tough luck.
+                        */
+                       put_user(0, tsk->clear_child_tid);
+                       sys_futex(tsk->clear_child_tid, FUTEX_WAKE,
+                                       1, NULL, NULL, 0);
+               }
                tsk->clear_child_tid = NULL;
-
-               /*
-                * We don't check the error code - if userspace has
-                * not set up a proper pointer then tough luck.
-                */
-               put_user(0, tidptr);
-               sys_futex(tidptr, FUTEX_WAKE, 1, NULL, NULL, 0);
        }
 }
 
index 199ed477131508691df9325c8b20b2c07638ef21..673c1aaf7332dc50809f558af52780e73bec5807 100644 (file)
@@ -1104,7 +1104,7 @@ static void perf_counter_sync_stat(struct perf_counter_context *ctx,
                __perf_counter_sync_stat(counter, next_counter);
 
                counter = list_next_entry(counter, event_entry);
-               next_counter = list_next_entry(counter, event_entry);
+               next_counter = list_next_entry(next_counter, event_entry);
        }
 }
 
index ad63d8501207836353ad91d15f94fb3aaa4c0c1b..94188b8ecc33ea2bc7a232cd0ca362aa15f753fb 100644 (file)
@@ -57,7 +57,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
                        return NOTIFY_BAD;
                break;
 
-#ifdef CONFIG_CPU_HOTPLUG
+#ifdef CONFIG_HOTPLUG_CPU
        case CPU_UP_CANCELED:
        case CPU_UP_CANCELED_FROZEN:
 
index 5b5895afecfe425f5c917af29b13d29ff4acf918..11ba5bb4ed0a71f0c3da5e8a2ce73471456aec47 100644 (file)
@@ -14,7 +14,7 @@ int ftrace_profile_enable(int event_id)
 
        mutex_lock(&event_mutex);
        list_for_each_entry(event, &ftrace_events, list) {
-               if (event->id == event_id) {
+               if (event->id == event_id && event->profile_enable) {
                        ret = event->profile_enable(event);
                        break;
                }
index 23d2972b22d67a773f0d6d8242e173941d174c76..e75276a49cf5cfa2fb968609602621fa8e5a5da3 100644 (file)
@@ -940,7 +940,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
                entry = trace_create_file("enable", 0644, call->dir, call,
                                          enable);
 
-       if (call->id)
+       if (call->id && call->profile_enable)
                entry = trace_create_file("id", 0444, call->dir, call,
                                          id);
 
index 708e2a86d87be8b8cc19cff2dd4671293eabb555..600f473a5610a5fb8ccf90b84089fc029d7b412b 100644 (file)
 */
 
 
-#ifndef STATIC
+#ifdef STATIC
+#define PREBOOT
+#else
 #include <linux/decompress/bunzip2.h>
-#endif /* !STATIC */
+#include <linux/slab.h>
+#endif /* STATIC */
 
 #include <linux/decompress/mm.h>
-#include <linux/slab.h>
 
 #ifndef INT_MAX
 #define INT_MAX 0x7fffffff
@@ -681,9 +683,7 @@ STATIC int INIT bunzip2(unsigned char *buf, int len,
        set_error_fn(error_fn);
        if (flush)
                outbuf = malloc(BZIP2_IOBUF_SIZE);
-       else
-               len -= 4; /* Uncompressed size hack active in pre-boot
-                            environment */
+
        if (!outbuf) {
                error("Could not allocate output bufer");
                return -1;
@@ -733,4 +733,14 @@ exit_0:
        return i;
 }
 
-#define decompress bunzip2
+#ifdef PREBOOT
+STATIC int INIT decompress(unsigned char *buf, int len,
+                       int(*fill)(void*, unsigned int),
+                       int(*flush)(void*, unsigned int),
+                       unsigned char *outbuf,
+                       int *pos,
+                       void(*error_fn)(char *x))
+{
+       return bunzip2(buf, len - 4, fill, flush, outbuf, pos, error_fn);
+}
+#endif
index e36b296fc9f8e5819ca461ab99b4f476b73328ba..68dfce59c1b80be510544c0effc3f87669527b8f 100644 (file)
 #include "zlib_inflate/inflate.h"
 
 #include "zlib_inflate/infutil.h"
+#include <linux/slab.h>
 
 #endif /* STATIC */
 
 #include <linux/decompress/mm.h>
-#include <linux/slab.h>
 
-#define INBUF_LEN (16*1024)
+#define GZIP_IOBUF_SIZE (16*1024)
 
 /* Included from initramfs et al code */
 STATIC int INIT gunzip(unsigned char *buf, int len,
@@ -55,7 +55,7 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
        if (buf)
                zbuf = buf;
        else {
-               zbuf = malloc(INBUF_LEN);
+               zbuf = malloc(GZIP_IOBUF_SIZE);
                len = 0;
        }
        if (!zbuf) {
@@ -77,7 +77,7 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
        }
 
        if (len == 0)
-               len = fill(zbuf, INBUF_LEN);
+               len = fill(zbuf, GZIP_IOBUF_SIZE);
 
        /* verify the gzip header */
        if (len < 10 ||
@@ -113,7 +113,7 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
        while (rc == Z_OK) {
                if (strm->avail_in == 0) {
                        /* TODO: handle case where both pos and fill are set */
-                       len = fill(zbuf, INBUF_LEN);
+                       len = fill(zbuf, GZIP_IOBUF_SIZE);
                        if (len < 0) {
                                rc = -1;
                                error("read error");
index 32123a1340e6bdb2125004def332daa5499c02f7..0b954e04bd3015bb08332b2a30a13e1ff6414fea 100644 (file)
  *Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef STATIC
+#ifdef STATIC
+#define PREBOOT
+#else
 #include <linux/decompress/unlzma.h>
+#include <linux/slab.h>
 #endif /* STATIC */
 
 #include <linux/decompress/mm.h>
-#include <linux/slab.h>
 
 #define        MIN(a, b) (((a) < (b)) ? (a) : (b))
 
@@ -543,9 +545,7 @@ STATIC inline int INIT unlzma(unsigned char *buf, int in_len,
        int ret = -1;
 
        set_error_fn(error_fn);
-       if (!flush)
-               in_len -= 4; /* Uncompressed size hack active in pre-boot
-                               environment */
+
        if (buf)
                inbuf = buf;
        else
@@ -645,4 +645,15 @@ exit_0:
        return ret;
 }
 
-#define decompress unlzma
+#ifdef PREBOOT
+STATIC int INIT decompress(unsigned char *buf, int in_len,
+                             int(*fill)(void*, unsigned int),
+                             int(*flush)(void*, unsigned int),
+                             unsigned char *output,
+                             int *posp,
+                             void(*error_fn)(char *x)
+       )
+{
+       return unlzma(buf, in_len - 4, fill, flush, output, posp, error_fn);
+}
+#endif
index e08e2c4da63a5dc45bfcfb9f56cd440d557d0772..7dd9d9f806948e23a7f0be04dac209bfc1c584f5 100644 (file)
@@ -191,25 +191,27 @@ static int mpol_new_bind(struct mempolicy *pol, const nodemask_t *nodes)
  * Must be called holding task's alloc_lock to protect task's mems_allowed
  * and mempolicy.  May also be called holding the mmap_semaphore for write.
  */
-static int mpol_set_nodemask(struct mempolicy *pol, const nodemask_t *nodes)
+static int mpol_set_nodemask(struct mempolicy *pol,
+                    const nodemask_t *nodes, struct nodemask_scratch *nsc)
 {
-       nodemask_t cpuset_context_nmask;
        int ret;
 
        /* if mode is MPOL_DEFAULT, pol is NULL. This is right. */
        if (pol == NULL)
                return 0;
+       /* Check N_HIGH_MEMORY */
+       nodes_and(nsc->mask1,
+                 cpuset_current_mems_allowed, node_states[N_HIGH_MEMORY]);
 
        VM_BUG_ON(!nodes);
        if (pol->mode == MPOL_PREFERRED && nodes_empty(*nodes))
                nodes = NULL;   /* explicit local allocation */
        else {
                if (pol->flags & MPOL_F_RELATIVE_NODES)
-                       mpol_relative_nodemask(&cpuset_context_nmask, nodes,
-                                              &cpuset_current_mems_allowed);
+                       mpol_relative_nodemask(&nsc->mask2, nodes,&nsc->mask1);
                else
-                       nodes_and(cpuset_context_nmask, *nodes,
-                                 cpuset_current_mems_allowed);
+                       nodes_and(nsc->mask2, *nodes, nsc->mask1);
+
                if (mpol_store_user_nodemask(pol))
                        pol->w.user_nodemask = *nodes;
                else
@@ -217,8 +219,10 @@ static int mpol_set_nodemask(struct mempolicy *pol, const nodemask_t *nodes)
                                                cpuset_current_mems_allowed;
        }
 
-       ret = mpol_ops[pol->mode].create(pol,
-                               nodes ? &cpuset_context_nmask : NULL);
+       if (nodes)
+               ret = mpol_ops[pol->mode].create(pol, &nsc->mask2);
+       else
+               ret = mpol_ops[pol->mode].create(pol, NULL);
        return ret;
 }
 
@@ -620,12 +624,17 @@ static long do_set_mempolicy(unsigned short mode, unsigned short flags,
 {
        struct mempolicy *new, *old;
        struct mm_struct *mm = current->mm;
+       NODEMASK_SCRATCH(scratch);
        int ret;
 
-       new = mpol_new(mode, flags, nodes);
-       if (IS_ERR(new))
-               return PTR_ERR(new);
+       if (!scratch)
+               return -ENOMEM;
 
+       new = mpol_new(mode, flags, nodes);
+       if (IS_ERR(new)) {
+               ret = PTR_ERR(new);
+               goto out;
+       }
        /*
         * prevent changing our mempolicy while show_numa_maps()
         * is using it.
@@ -635,13 +644,13 @@ static long do_set_mempolicy(unsigned short mode, unsigned short flags,
        if (mm)
                down_write(&mm->mmap_sem);
        task_lock(current);
-       ret = mpol_set_nodemask(new, nodes);
+       ret = mpol_set_nodemask(new, nodes, scratch);
        if (ret) {
                task_unlock(current);
                if (mm)
                        up_write(&mm->mmap_sem);
                mpol_put(new);
-               return ret;
+               goto out;
        }
        old = current->mempolicy;
        current->mempolicy = new;
@@ -654,7 +663,10 @@ static long do_set_mempolicy(unsigned short mode, unsigned short flags,
                up_write(&mm->mmap_sem);
 
        mpol_put(old);
-       return 0;
+       ret = 0;
+out:
+       NODEMASK_SCRATCH_FREE(scratch);
+       return ret;
 }
 
 /*
@@ -1014,12 +1026,20 @@ static long do_mbind(unsigned long start, unsigned long len,
                if (err)
                        return err;
        }
-       down_write(&mm->mmap_sem);
-       task_lock(current);
-       err = mpol_set_nodemask(new, nmask);
-       task_unlock(current);
+       {
+               NODEMASK_SCRATCH(scratch);
+               if (scratch) {
+                       down_write(&mm->mmap_sem);
+                       task_lock(current);
+                       err = mpol_set_nodemask(new, nmask, scratch);
+                       task_unlock(current);
+                       if (err)
+                               up_write(&mm->mmap_sem);
+               } else
+                       err = -ENOMEM;
+               NODEMASK_SCRATCH_FREE(scratch);
+       }
        if (err) {
-               up_write(&mm->mmap_sem);
                mpol_put(new);
                return err;
        }
@@ -1891,6 +1911,7 @@ restart:
  * Install non-NULL @mpol in inode's shared policy rb-tree.
  * On entry, the current task has a reference on a non-NULL @mpol.
  * This must be released on exit.
+ * This is called at get_inode() calls and we can use GFP_KERNEL.
  */
 void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
 {
@@ -1902,19 +1923,24 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
        if (mpol) {
                struct vm_area_struct pvma;
                struct mempolicy *new;
+               NODEMASK_SCRATCH(scratch);
 
+               if (!scratch)
+                       return;
                /* contextualize the tmpfs mount point mempolicy */
                new = mpol_new(mpol->mode, mpol->flags, &mpol->w.user_nodemask);
                if (IS_ERR(new)) {
                        mpol_put(mpol); /* drop our ref on sb mpol */
+                       NODEMASK_SCRATCH_FREE(scratch);
                        return;         /* no valid nodemask intersection */
                }
 
                task_lock(current);
-               ret = mpol_set_nodemask(new, &mpol->w.user_nodemask);
+               ret = mpol_set_nodemask(new, &mpol->w.user_nodemask, scratch);
                task_unlock(current);
                mpol_put(mpol); /* drop our ref on sb mpol */
                if (ret) {
+                       NODEMASK_SCRATCH_FREE(scratch);
                        mpol_put(new);
                        return;
                }
@@ -1924,6 +1950,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol)
                pvma.vm_end = TASK_SIZE;        /* policy covers entire file */
                mpol_set_shared_policy(sp, &pvma, new); /* adds ref */
                mpol_put(new);                  /* drop initial ref */
+               NODEMASK_SCRATCH_FREE(scratch);
        }
 }
 
@@ -2140,13 +2167,18 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
                err = 1;
        else {
                int ret;
-
-               task_lock(current);
-               ret = mpol_set_nodemask(new, &nodes);
-               task_unlock(current);
-               if (ret)
+               NODEMASK_SCRATCH(scratch);
+               if (scratch) {
+                       task_lock(current);
+                       ret = mpol_set_nodemask(new, &nodes, scratch);
+                       task_unlock(current);
+               } else
+                       ret = -ENOMEM;
+               NODEMASK_SCRATCH_FREE(scratch);
+               if (ret) {
                        err = 1;
-               else if (no_context) {
+                       mpol_put(new);
+               } else if (no_context) {
                        /* save for contextualization */
                        new->w.user_nodemask = nodes;
                }
index 1dbc1eeb4c01259552e17372f3e6f279195b22d9..6be696b0a2bb60a915a945cec38e9fbcf0741725 100644 (file)
@@ -29,13 +29,67 @@ OPTIONS
        Select the PMU event. Selection can be a symbolic event name
        (use 'perf list' to list all events) or a raw PMU
        event (eventsel+umask) in the form of rNNN where NNN is a
-        hexadecimal event descriptor.
+       hexadecimal event descriptor.
 
 -a::
-        system-wide collection
+        System-wide collection.
 
 -l::
-        scale counter values
+        Scale counter values.
+
+-p::
+--pid=::
+       Record events on existing pid.
+
+-r::
+--realtime=::
+       Collect data with this RT SCHED_FIFO priority.
+-A::
+--append::
+       Append to the output file to do incremental profiling.
+
+-f::
+--force::
+       Overwrite existing data file.
+
+-c::
+--count=::
+       Event period to sample.
+
+-o::
+--output=::
+       Output file name.
+
+-i::
+--inherit::
+       Child tasks inherit counters.
+-F::
+--freq=::
+       Profile at this frequency.
+
+-m::
+--mmap-pages=::
+       Number of mmap data pages.
+
+-g::
+--call-graph::
+       Do call-graph (stack chain/backtrace) recording.
+
+-v::
+--verbose::
+       Be more verbose (show counter open errors, etc).
+
+-s::
+--stat::
+       Per thread counts.
+
+-d::
+--data::
+       Sample addresses.
+
+-n::
+--no-samples::
+       Don't sample.
 
 SEE ALSO
 --------
index 4b20fa47c3ab7411a03b9b82681ac8ddce7b2c7a..1916e44b9bb0254cf46de961ed4b43422a98b4f1 100644 (file)
@@ -158,8 +158,10 @@ uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
 uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # If we're on a 64-bit kernel, use -m64
-ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
-  M64 := -m64
+ifndef NO_64BIT
+       ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
+         M64 := -m64
+       endif
 endif
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
@@ -345,7 +347,6 @@ BUILTIN_OBJS += builtin-stat.o
 BUILTIN_OBJS += builtin-top.o
 
 PERFLIBS = $(LIB_FILE)
-EXTLIBS = -lbfd -liberty
 
 #
 # Platform specific tweaks
@@ -374,6 +375,28 @@ ifeq ($(uname_S),Darwin)
        PTHREAD_LIBS =
 endif
 
+ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
+       msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
+endif
+
+ifdef NO_DEMANGLE
+       BASIC_CFLAGS += -DNO_DEMANGLE
+else
+
+       has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd > /dev/null 2>&1 && echo y")
+
+       has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd -liberty > /dev/null 2>&1 && echo y")
+
+       ifeq ($(has_bfd),y)
+               EXTLIBS += -lbfd
+       else ifeq ($(has_bfd_iberty),y)
+               EXTLIBS += -lbfd -liberty
+       else
+               msg := $(warning No bfd.h/libbfd found, install binutils-dev[el] to gain symbol demangling)
+               BASIC_CFLAGS += -DNO_DEMANGLE
+       endif
+endif
+
 ifndef CC_LD_DYNPATH
        ifdef NO_R_TO_GCC_LINKER
                # Some gcc does not accept and pass -R to the linker to specify
index ce4f28645e6438069c1b20a33c2a13f9cb18d7ce..8cb58d68a0061de28997216760c2e9626a9dbf74 100644 (file)
@@ -31,7 +31,7 @@
 static char            const *input_name = "perf.data";
 static char            *vmlinux = NULL;
 
-static char            default_sort_order[] = "comm,dso";
+static char            default_sort_order[] = "comm,dso,symbol";
 static char            *sort_order = default_sort_order;
 static char            *dso_list_str, *comm_list_str, *sym_list_str,
                        *col_width_list_str;
@@ -1424,7 +1424,7 @@ print_entries:
        if (sort_order == default_sort_order &&
                        parent_pattern == default_parent_pattern) {
                fprintf(fp, "#\n");
-               fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n");
+               fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
                fprintf(fp, "#\n");
        }
        fprintf(fp, "\n");
index b4fe0579bd6b1d4af97ee122aef7d2a204bb1392..16ddca202948cb0fc0ad23efddb6cbc1fcfbfdd3 100644 (file)
@@ -6,7 +6,16 @@
 #include <libelf.h>
 #include <gelf.h>
 #include <elf.h>
+
+#ifndef NO_DEMANGLE
 #include <bfd.h>
+#else
+static inline
+char *bfd_demangle(void __used *v, const char __used *c, int __used i)
+{
+       return NULL;
+}
+#endif
 
 const char *sym_hist_filter;
 
@@ -652,10 +661,69 @@ out_close:
        return err;
 }
 
+#define BUILD_ID_SIZE 128
+
+static char *dso__read_build_id(struct dso *self, int verbose)
+{
+       int i;
+       GElf_Ehdr ehdr;
+       GElf_Shdr shdr;
+       Elf_Data *build_id_data;
+       Elf_Scn *sec;
+       char *build_id = NULL, *bid;
+       unsigned char *raw;
+       Elf *elf;
+       int fd = open(self->name, O_RDONLY);
+
+       if (fd < 0)
+               goto out;
+
+       elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
+       if (elf == NULL) {
+               if (verbose)
+                       fprintf(stderr, "%s: cannot read %s ELF file.\n",
+                               __func__, self->name);
+               goto out_close;
+       }
+
+       if (gelf_getehdr(elf, &ehdr) == NULL) {
+               if (verbose)
+                       fprintf(stderr, "%s: cannot get elf header.\n", __func__);
+               goto out_elf_end;
+       }
+
+       sec = elf_section_by_name(elf, &ehdr, &shdr, ".note.gnu.build-id", NULL);
+       if (sec == NULL)
+               goto out_elf_end;
+
+       build_id_data = elf_getdata(sec, NULL);
+       if (build_id_data == NULL)
+               goto out_elf_end;
+       build_id = malloc(BUILD_ID_SIZE);
+       if (build_id == NULL)
+               goto out_elf_end;
+       raw = build_id_data->d_buf + 16;
+       bid = build_id;
+
+       for (i = 0; i < 20; ++i) {
+               sprintf(bid, "%02x", *raw);
+               ++raw;
+               bid += 2;
+       }
+       if (verbose)
+               printf("%s(%s): %s\n", __func__, self->name, build_id);
+out_elf_end:
+       elf_end(elf);
+out_close:
+       close(fd);
+out:
+       return build_id;
+}
+
 int dso__load(struct dso *self, symbol_filter_t filter, int verbose)
 {
-       int size = strlen(self->name) + sizeof("/usr/lib/debug%s.debug");
-       char *name = malloc(size);
+       int size = PATH_MAX;
+       char *name = malloc(size), *build_id = NULL;
        int variant = 0;
        int ret = -1;
        int fd;
@@ -677,7 +745,18 @@ more:
                case 1: /* Ubuntu */
                        snprintf(name, size, "/usr/lib/debug%s", self->name);
                        break;
-               case 2: /* Sane people */
+               case 2:
+                       build_id = dso__read_build_id(self, verbose);
+                       if (build_id != NULL) {
+                               snprintf(name, size,
+                                        "/usr/lib/debug/.build-id/%.2s/%s.debug",
+                                       build_id, build_id + 2);
+                               free(build_id);
+                               break;
+                       }
+                       variant++;
+                       /* Fall thru */
+               case 3: /* Sane people */
                        snprintf(name, size, "%s", self->name);
                        break;