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SubjectRe: Linux 2.6.32.21
diff --git a/Makefile b/Makefile
index ad4d191..3e7196f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 32
-EXTRAVERSION = .20
+EXTRAVERSION = .21
NAME = Man-Eating Seals of Antiquity

# *DOCUMENTATION*
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index bbecccd..1df6457 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -150,15 +150,24 @@ struct pt_regs {
*/
static inline int valid_user_regs(struct pt_regs *regs)
{
- if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) {
- regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
- return 1;
+ unsigned long mode = regs->ARM_cpsr & MODE_MASK;
+
+ /*
+ * Always clear the F (FIQ) and A (delayed abort) bits
+ */
+ regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
+
+ if ((regs->ARM_cpsr & PSR_I_BIT) == 0) {
+ if (mode == USR_MODE)
+ return 1;
+ if (elf_hwcap & HWCAP_26BIT && mode == USR26_MODE)
+ return 1;
}

/*
* Force CPSR to something logical...
*/
- regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT;
+ regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT;
if (!(elf_hwcap & HWCAP_26BIT))
regs->ARM_cpsr |= USR_MODE;

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 7546e2c..c107b74 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -159,7 +159,7 @@ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
all: zImage

# With make 3.82 we cannot mix normal and wildcard targets
-BOOT_TARGETS1 := zImage zImage.initrd uImaged
+BOOT_TARGETS1 := zImage zImage.initrd uImage
BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.%

PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2)
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index f2e4800..f5cc06f 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -20,14 +20,14 @@
#define atomic64_set(v, i) (((v)->counter) = i)

extern void atomic_add(int, atomic_t *);
-extern void atomic64_add(int, atomic64_t *);
+extern void atomic64_add(long, atomic64_t *);
extern void atomic_sub(int, atomic_t *);
-extern void atomic64_sub(int, atomic64_t *);
+extern void atomic64_sub(long, atomic64_t *);

extern int atomic_add_ret(int, atomic_t *);
-extern int atomic64_add_ret(int, atomic64_t *);
+extern long atomic64_add_ret(long, atomic64_t *);
extern int atomic_sub_ret(int, atomic_t *);
-extern int atomic64_sub_ret(int, atomic64_t *);
+extern long atomic64_sub_ret(long, atomic64_t *);

#define atomic_dec_return(v) atomic_sub_ret(1, v)
#define atomic64_dec_return(v) atomic64_sub_ret(1, v)
@@ -91,7 +91,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))

-static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
+static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
{
long c, old;
c = atomic64_read(v);
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index ff9ead6..43cf002 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -228,6 +228,10 @@ static const struct of_device_id ecpp_match[] = {
.name = "parallel",
.compatible = "ns87317-ecpp",
},
+ {
+ .name = "parallel",
+ .compatible = "pnpALI,1533,3",
+ },
{},
};

diff --git a/arch/sparc/include/asm/rwsem-const.h b/arch/sparc/include/asm/rwsem-const.h
index a303c9d..e4c61a1 100644
--- a/arch/sparc/include/asm/rwsem-const.h
+++ b/arch/sparc/include/asm/rwsem-const.h
@@ -5,7 +5,7 @@
#define RWSEM_UNLOCKED_VALUE 0x00000000
#define RWSEM_ACTIVE_BIAS 0x00000001
#define RWSEM_ACTIVE_MASK 0x0000ffff
-#define RWSEM_WAITING_BIAS 0xffff0000
+#define RWSEM_WAITING_BIAS (-0x00010000)
#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fbc161d..cb5a57c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -227,6 +227,11 @@ config X86_32_LAZY_GS

config KTIME_SCALAR
def_bool X86_32
+
+config ARCH_CPU_PROBE_RELEASE
+ def_bool y
+ depends on HOTPLUG_CPU
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index bc9cd5a..6702ab7 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -51,6 +51,7 @@
#include <asm/smp.h>
#include <asm/mce.h>
#include <asm/kvm_para.h>
+#include <asm/tsc.h>

unsigned int num_processors;

@@ -1172,8 +1173,13 @@ static void __cpuinit lapic_setup_esr(void)
*/
void __cpuinit setup_local_APIC(void)
{
- unsigned int value;
- int i, j;
+ unsigned int value, queued;
+ int i, j, acked = 0;
+ unsigned long long tsc = 0, ntsc;
+ long long max_loops = cpu_khz;
+
+ if (cpu_has_tsc)
+ rdtscll(tsc);

if (disable_apic) {
arch_disable_smp_support();
@@ -1225,13 +1231,32 @@ void __cpuinit setup_local_APIC(void)
* the interrupt. Hence a vector might get locked. It was noticed
* for timer irq (vector 0x31). Issue an extra EOI to clear ISR.
*/
- for (i = APIC_ISR_NR - 1; i >= 0; i--) {
- value = apic_read(APIC_ISR + i*0x10);
- for (j = 31; j >= 0; j--) {
- if (value & (1<<j))
- ack_APIC_irq();
+ do {
+ queued = 0;
+ for (i = APIC_ISR_NR - 1; i >= 0; i--)
+ queued |= apic_read(APIC_IRR + i*0x10);
+
+ for (i = APIC_ISR_NR - 1; i >= 0; i--) {
+ value = apic_read(APIC_ISR + i*0x10);
+ for (j = 31; j >= 0; j--) {
+ if (value & (1<<j)) {
+ ack_APIC_irq();
+ acked++;
+ }
+ }
}
- }
+ if (acked > 256) {
+ printk(KERN_ERR "LAPIC pending interrupts after %d EOI\n",
+ acked);
+ break;
+ }
+ if (cpu_has_tsc) {
+ rdtscll(ntsc);
+ max_loops = (cpu_khz << 10) - (ntsc - tsc);
+ } else
+ max_loops--;
+ } while (queued && max_loops > 0);
+ WARN_ON(max_loops <= 0);

/*
* Now that we are all set up, enable the APIC
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9f9fded..1acd1c4 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1736,6 +1736,8 @@ __apicdebuginit(void) print_IO_APIC(void)
struct irq_pin_list *entry;

cfg = desc->chip_data;
+ if (!cfg)
+ continue;
entry = cfg->irq_2_pin;
if (!entry)
continue;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 28e963d..29ec560 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -88,6 +88,25 @@ DEFINE_PER_CPU(int, cpu_state) = { 0 };
static DEFINE_PER_CPU(struct task_struct *, idle_thread_array);
#define get_idle_for_cpu(x) (per_cpu(idle_thread_array, x))
#define set_idle_for_cpu(x, p) (per_cpu(idle_thread_array, x) = (p))
+
+/*
+ * We need this for trampoline_base protection from concurrent accesses when
+ * off- and onlining cores wildly.
+ */
+static DEFINE_MUTEX(x86_cpu_hotplug_driver_mutex);
+
+void cpu_hotplug_driver_lock()
+{
+ mutex_lock(&x86_cpu_hotplug_driver_mutex);
+}
+
+void cpu_hotplug_driver_unlock()
+{
+ mutex_unlock(&x86_cpu_hotplug_driver_mutex);
+}
+
+ssize_t arch_cpu_probe(const char *buf, size_t count) { return -1; }
+ssize_t arch_cpu_release(const char *buf, size_t count) { return -1; }
#else
static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ;
#define get_idle_for_cpu(x) (idle_thread_array[(x)])
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index f1fb411..c41ad50 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -584,6 +584,18 @@ static int __init ppro_init(char **cpu_type)
if (force_arch_perfmon && cpu_has_arch_perfmon)
return 0;

+ /*
+ * Documentation on identifying Intel processors by CPU family
+ * and model can be found in the Intel Software Developer's
+ * Manuals (SDM):
+ *
+ * http://www.intel.com/products/processor/manuals/
+ *
+ * As of May 2010 the documentation for this was in the:
+ * "Intel 64 and IA-32 Architectures Software Developer's
+ * Manual Volume 3B: System Programming Guide", "Table B-1
+ * CPUID Signature Values of DisplayFamily_DisplayModel".
+ */
switch (cpu_model) {
case 0 ... 2:
*cpu_type = "i386/ppro";
@@ -605,12 +617,13 @@ static int __init ppro_init(char **cpu_type)
case 15: case 23:
*cpu_type = "i386/core_2";
break;
+ case 0x1a:
+ case 0x1e:
case 0x2e:
- case 26:
spec = &op_arch_perfmon_spec;
*cpu_type = "i386/core_i7";
break;
- case 28:
+ case 0x1c:
*cpu_type = "i386/atom";
break;
default:
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index a75ca63..0e27d98 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -470,7 +470,9 @@ int drm_ioctl(struct inode *inode, struct file *filp,
retcode = -EFAULT;
goto err_i1;
}
- }
+ } else
+ memset(kdata, 0, _IOC_SIZE(cmd));
+
retcode = func(dev, kdata, file_priv);

if (cmd & IOC_OUT) {
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 952c844..176a6df 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2262,8 +2262,9 @@ i915_gem_object_get_pages(struct drm_gem_object *obj,
mapping = inode->i_mapping;
for (i = 0; i < page_count; i++) {
page = read_cache_page_gfp(mapping, i,
- mapping_gfp_mask (mapping) |
+ GFP_HIGHUSER |
__GFP_COLD |
+ __GFP_RECLAIMABLE |
gfpmask);
if (IS_ERR(page))
goto err_pages;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 88d5e3a..4f5c733 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1402,6 +1402,7 @@ static void igdng_enable_pll_edp (struct drm_crtc *crtc)
dpa_ctl = I915_READ(DP_A);
dpa_ctl |= DP_PLL_ENABLE;
I915_WRITE(DP_A, dpa_ctl);
+ POSTING_READ(DP_A);
udelay(200);
}

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 22ce4d6..7547ec6 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -261,7 +261,7 @@ static uint8_t radeon_compute_pll_gain(uint16_t ref_freq, uint16_t ref_div,
if (!ref_div)
return 1;

- vcoFreq = ((unsigned)ref_freq & fb_div) / ref_div;
+ vcoFreq = ((unsigned)ref_freq * fb_div) / ref_div;

/*
* This is horribly crude: the VCO frequency range is divided into
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 4a64b85..68e69a4 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -1610,11 +1610,8 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)

static int __init pc87360_device_add(unsigned short address)
{
- struct resource res = {
- .name = "pc87360",
- .flags = IORESOURCE_IO,
- };
- int err, i;
+ struct resource res[3];
+ int err, i, res_count;

pdev = platform_device_alloc("pc87360", address);
if (!pdev) {
@@ -1623,22 +1620,28 @@ static int __init pc87360_device_add(unsigned short address)
goto exit;
}

+ memset(res, 0, 3 * sizeof(struct resource));
+ res_count = 0;
for (i = 0; i < 3; i++) {
if (!extra_isa[i])
continue;
- res.start = extra_isa[i];
- res.end = extra_isa[i] + PC87360_EXTENT - 1;
+ res[res_count].start = extra_isa[i];
+ res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1;
+ res[res_count].name = "pc87360",
+ res[res_count].flags = IORESOURCE_IO,

- err = acpi_check_resource_conflict(&res);
+ err = acpi_check_resource_conflict(&res[res_count]);
if (err)
goto exit_device_put;

- err = platform_device_add_resources(pdev, &res, 1);
- if (err) {
- printk(KERN_ERR "pc87360: Device resource[%d] "
- "addition failed (%d)\n", i, err);
- goto exit_device_put;
- }
+ res_count++;
+ }
+
+ err = platform_device_add_resources(pdev, res, res_count);
+ if (err) {
+ printk(KERN_ERR "pc87360: Device resources addition failed "
+ "(%d)\n", err);
+ goto exit_device_put;
}

err = platform_device_add(pdev);
diff --git a/drivers/isdn/sc/ioctl.c b/drivers/isdn/sc/ioctl.c
index 1081091..2655e3a 100644
--- a/drivers/isdn/sc/ioctl.c
+++ b/drivers/isdn/sc/ioctl.c
@@ -174,7 +174,7 @@ int sc_ioctl(int card, scs_ioctl *data)
pr_debug("%s: SCIOGETSPID: ioctl received\n",
sc_adapter[card]->devicename);

- spid = kmalloc(SCIOC_SPIDSIZE, GFP_KERNEL);
+ spid = kzalloc(SCIOC_SPIDSIZE, GFP_KERNEL);
if (!spid) {
kfree(rcvmsg);
return -ENOMEM;
@@ -194,7 +194,7 @@ int sc_ioctl(int card, scs_ioctl *data)
kfree(rcvmsg);
return status;
}
- strcpy(spid, rcvmsg->msg_data.byte_array);
+ strlcpy(spid, rcvmsg->msg_data.byte_array, SCIOC_SPIDSIZE);

/*
* Package the switch type and send to user space
@@ -272,12 +272,12 @@ int sc_ioctl(int card, scs_ioctl *data)
return status;
}

- dn = kmalloc(SCIOC_DNSIZE, GFP_KERNEL);
+ dn = kzalloc(SCIOC_DNSIZE, GFP_KERNEL);
if (!dn) {
kfree(rcvmsg);
return -ENOMEM;
}
- strcpy(dn, rcvmsg->msg_data.byte_array);
+ strlcpy(dn, rcvmsg->msg_data.byte_array, SCIOC_DNSIZE);
kfree(rcvmsg);

/*
@@ -348,7 +348,7 @@ int sc_ioctl(int card, scs_ioctl *data)
pr_debug("%s: SCIOSTAT: ioctl received\n",
sc_adapter[card]->devicename);

- bi = kmalloc (sizeof(boardInfo), GFP_KERNEL);
+ bi = kzalloc(sizeof(boardInfo), GFP_KERNEL);
if (!bi) {
kfree(rcvmsg);
return -ENOMEM;
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index d19854c..818b617 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -249,40 +249,46 @@ static void __hash_remove(struct hash_cell *hc)

static void dm_hash_remove_all(int keep_open_devices)
{
- int i, dev_skipped, dev_removed;
+ int i, dev_skipped;
struct hash_cell *hc;
- struct list_head *tmp, *n;
+ struct mapped_device *md;
+
+retry:
+ dev_skipped = 0;

down_write(&_hash_lock);

-retry:
- dev_skipped = dev_removed = 0;
for (i = 0; i < NUM_BUCKETS; i++) {
- list_for_each_safe (tmp, n, _name_buckets + i) {
- hc = list_entry(tmp, struct hash_cell, name_list);
+ list_for_each_entry(hc, _name_buckets + i, name_list) {
+ md = hc->md;
+ dm_get(md);

- if (keep_open_devices &&
- dm_lock_for_deletion(hc->md)) {
+ if (keep_open_devices && dm_lock_for_deletion(md)) {
+ dm_put(md);
dev_skipped++;
continue;
}
+
__hash_remove(hc);
- dev_removed = 1;
- }
- }

- /*
- * Some mapped devices may be using other mapped devices, so if any
- * still exist, repeat until we make no further progress.
- */
- if (dev_skipped) {
- if (dev_removed)
- goto retry;
+ up_write(&_hash_lock);

- DMWARN("remove_all left %d open device(s)", dev_skipped);
+ dm_put(md);
+
+ /*
+ * Some mapped devices may be using other mapped
+ * devices, so repeat until we make no further
+ * progress. If a new mapped device is created
+ * here it will also get removed.
+ */
+ goto retry;
+ }
}

up_write(&_hash_lock);
+
+ if (dev_skipped)
+ DMWARN("remove_all left %d open device(s)", dev_skipped);
}

static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 32d0b87..f336c69 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -691,6 +691,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,

if (as->argc < nr_params) {
ti->error = "not enough path parameters";
+ r = -EINVAL;
goto bad;
}

diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index bd83fa0..46bd7e2 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1330,13 +1330,14 @@ static void mspro_block_remove(struct memstick_dev *card)
struct mspro_block_data *msb = memstick_get_drvdata(card);
unsigned long flags;

- del_gendisk(msb->disk);
- dev_dbg(&card->dev, "mspro block remove\n");
spin_lock_irqsave(&msb->q_lock, flags);
msb->eject = 1;
blk_start_queue(msb->queue);
spin_unlock_irqrestore(&msb->q_lock, flags);

+ del_gendisk(msb->disk);
+ dev_dbg(&card->dev, "mspro block remove\n");
+
blk_cleanup_queue(msb->queue);
msb->queue = NULL;

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 6ea520a..776183f 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -316,7 +316,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
#define tAR_NDTR1(r) (((r) >> 0) & 0xf)

/* convert nano-seconds to nand flash controller clock cycles */
-#define ns2cycle(ns, clk) (int)(((ns) * (clk / 1000000) / 1000) - 1)
+#define ns2cycle(ns, clk) (int)((ns) * (clk / 1000000) / 1000)

/* convert nand flash controller clock cycles to nano-seconds */
#define cycle2ns(c, clk) ((((c) + 1) * 1000000 + clk / 500) / (clk / 1000))
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 7ee61d4..ce166ae 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -48,6 +48,7 @@
#include <linux/netdevice.h>
#include <linux/cache.h>
#include <linux/pci.h>
+#include <linux/pci-aspm.h>
#include <linux/ethtool.h>
#include <linux/uaccess.h>

@@ -448,6 +449,26 @@ ath5k_pci_probe(struct pci_dev *pdev,
int ret;
u8 csz;

+ /*
+ * L0s needs to be disabled on all ath5k cards.
+ *
+ * For distributions shipping with CONFIG_PCIEASPM (this will be enabled
+ * by default in the future in 2.6.36) this will also mean both L1 and
+ * L0s will be disabled when a pre 1.1 PCIe device is detected. We do
+ * know L1 works correctly even for all ath5k pre 1.1 PCIe devices
+ * though but cannot currently undue the effect of a blacklist, for
+ * details you can read pcie_aspm_sanity_check() and see how it adjusts
+ * the device link capability.
+ *
+ * It may be possible in the future to implement some PCI API to allow
+ * drivers to override blacklists for pre 1.1 PCIe but for now it is
+ * best to accept that both L0s and L1 will be disabled completely for
+ * distributions shipping with CONFIG_PCIEASPM rather than having this
+ * issue present. Motivation for adding this new API will be to help
+ * with power consumption for some of these devices.
+ */
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
+
ret = pci_enable_device(pdev);
if (ret) {
dev_err(&pdev->dev, "can't enable device\n");
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index d919e96..7905285 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -39,7 +39,7 @@ module_param(io_speed, int, 0444);
#ifdef CONFIG_PCMCIA_PROBE
#include <asm/irq.h>
/* mask of IRQs already reserved by other cards, we should avoid using them */
-static u8 pcmcia_used_irq[NR_IRQS];
+static u8 pcmcia_used_irq[32];
#endif


@@ -719,6 +719,9 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
for (try = 0; try < 64; try++) {
irq = try % 32;

+ if (irq > NR_IRQS)
+ continue;
+
/* marked as available by driver, and not blocked by userspace? */
if (!((mask >> irq) & 1))
continue;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 317e8dc..6416a0f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -124,7 +124,7 @@ static void next_trb(struct xhci_hcd *xhci,
*seg = (*seg)->next;
*trb = ((*seg)->trbs);
} else {
- *trb = (*trb)++;
+ (*trb)++;
}
}

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index ae4b181..99bde5fc 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -223,8 +223,8 @@ static struct usb_serial_driver cp210x_device = {
#define BITS_STOP_2 0x0002

/* CP210X_SET_BREAK */
-#define BREAK_ON 0x0000
-#define BREAK_OFF 0x0001
+#define BREAK_ON 0x0001
+#define BREAK_OFF 0x0000

/* CP210X_(SET_MHS|GET_MDMSTS) */
#define CONTROL_DTR 0x0001
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index b2353a9..813ec3d 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -185,6 +185,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
+ { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
@@ -756,6 +757,8 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
+ { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
@@ -1410,7 +1413,7 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
}

/* set max packet size based on descriptor */
- priv->max_packet_size = ep_desc->wMaxPacketSize;
+ priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);

dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
}
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index a0a7796..52c3b68 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -110,6 +110,9 @@
/* Propox devices */
#define FTDI_PROPOX_JTAGCABLEII_PID 0xD738

+/* Lenz LI-USB Computer Interface. */
+#define FTDI_LENZ_LIUSB_PID 0xD780
+
/*
* Xsens Technologies BV products (http://www.xsens.com).
*/
@@ -996,6 +999,12 @@
#define ALTI2_N3_PID 0x6001 /* Neptune 3 */

/*
+ * Ionics PlugComputer
+ */
+#define IONICS_VID 0x1c0c
+#define IONICS_PLUGCOMPUTER_PID 0x0102
+
+/*
* Dresden Elektronic Sensor Terminal Board
*/
#define DE_VID 0x1cf1 /* Vendor ID */
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index d4cc0f7..fbdbac5 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1157,7 +1157,7 @@ static int download_fw(struct edgeport_serial *serial)

/* Check if we have an old version in the I2C and
update if necessary */
- if (download_cur_ver != download_new_ver) {
+ if (download_cur_ver < download_new_ver) {
dbg("%s - Update I2C dld from %d.%d to %d.%d",
__func__,
firmware_version->Ver_Major,
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index 5ceaa4c..061a083 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -24,6 +24,7 @@ static int debug;

static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x0a99, 0x0001) }, /* Talon Technology device */
+ { USB_DEVICE(0x0df7, 0x0900) }, /* Mobile Action i-gotU */
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e864052..19cedb9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -375,6 +375,10 @@ static int option_resume(struct usb_serial *serial);
#define OLIVETTI_VENDOR_ID 0x0b3c
#define OLIVETTI_PRODUCT_OLICARD100 0xc000

+/* Celot products */
+#define CELOT_VENDOR_ID 0x211f
+#define CELOT_PRODUCT_CT680M 0x6801
+
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -874,10 +878,9 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100F) },
{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1011)},
{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1012)},
-
{ USB_DEVICE(CINTERION_VENDOR_ID, 0x0047) },
-
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+ { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9ec1a49..ecb1708 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -95,6 +95,7 @@ static struct usb_device_id id_table [] = {
{ USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
{ USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
+ { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) },
{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
{ } /* Terminating entry */
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index d640dc9..01bc64b 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -127,6 +127,10 @@
#define CRESSI_VENDOR_ID 0x04b8
#define CRESSI_EDY_PRODUCT_ID 0x0521

+/* Zeagle dive computer interface */
+#define ZEAGLE_VENDOR_ID 0x04b8
+#define ZEAGLE_N2ITION3_PRODUCT_ID 0x0522
+
/* Sony, USB data cable for CMD-Jxx mobile phones */
#define SONY_VENDOR_ID 0x054c
#define SONY_QN3USB_PRODUCT_ID 0x0437
diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c
index 4cd5049..3803745 100644
--- a/drivers/video/sunxvr500.c
+++ b/drivers/video/sunxvr500.c
@@ -242,11 +242,27 @@ static int __devinit e3d_set_fbinfo(struct e3d_info *ep)
static int __devinit e3d_pci_register(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
+ struct device_node *of_node;
+ const char *device_type;
struct fb_info *info;
struct e3d_info *ep;
unsigned int line_length;
int err;

+ of_node = pci_device_to_OF_node(pdev);
+ if (!of_node) {
+ printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
+ pci_name(pdev));
+ return -ENODEV;
+ }
+
+ device_type = of_get_property(of_node, "device_type", NULL);
+ if (!device_type) {
+ printk(KERN_INFO "e3d: Ignoring secondary output device "
+ "at %s\n", pci_name(pdev));
+ return -ENODEV;
+ }
+
err = pci_enable_device(pdev);
if (err < 0) {
printk(KERN_ERR "e3d: Cannot enable PCI device %s\n",
@@ -265,13 +281,7 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
ep->info = info;
ep->pdev = pdev;
spin_lock_init(&ep->lock);
- ep->of_node = pci_device_to_OF_node(pdev);
- if (!ep->of_node) {
- printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
- pci_name(pdev));
- err = -ENODEV;
- goto err_release_fb;
- }
+ ep->of_node = of_node;

/* Read the PCI base register of the frame buffer, which we
* need in order to interpret the RAMDAC_VID_*FB* values in
diff --git a/firmware/Makefile b/firmware/Makefile
index f4ca0c7..aeabd95 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -140,7 +140,7 @@ fw-shipped-$(CONFIG_YAM) += yam/1200.bin yam/9600.bin
fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)

# Directories which we _might_ need to create, so we have a rule for them.
-firmware-dirs := $(sort $(patsubst %,$(objtree)/$(obj)/%/,$(dir $(fw-external-y) $(fw-shipped-all))))
+firmware-dirs := $(sort $(addprefix $(objtree)/$(obj)/,$(dir $(fw-external-y) $(fw-shipped-all))))

quiet_cmd_mkdir = MKDIR $(patsubst $(objtree)/%,%,$@)
cmd_mkdir = mkdir -p $@
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index f3032c9..e85b63c 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -189,9 +189,6 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
* when a file system is mounted (see ext4_fill_super).
*/

-
-#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
-
/**
* ext4_get_group_desc() -- load group descriptor from disk
* @sb: super block
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index fa6b79f..0773352 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1888,6 +1888,8 @@ static inline void set_bitmap_uptodate(struct buffer_head *bh)
set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state);
}

+#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
+
#endif /* __KERNEL__ */

#endif /* _EXT4_H */
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 99482ea..f375559 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1948,7 +1948,7 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,

BUG_ON(cex->ec_type != EXT4_EXT_CACHE_GAP &&
cex->ec_type != EXT4_EXT_CACHE_EXTENT);
- if (block >= cex->ec_block && block < cex->ec_block + cex->ec_len) {
+ if (in_range(block, cex->ec_block, cex->ec_len)) {
ex->ee_block = cpu_to_le32(cex->ec_block);
ext4_ext_store_pblock(ex, cex->ec_start);
ex->ee_len = cpu_to_le16(cex->ec_len);
@@ -3302,7 +3302,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
*/
ee_len = ext4_ext_get_actual_len(ex);
/* if found extent covers block, simply return it */
- if (iblock >= ee_block && iblock < ee_block + ee_len) {
+ if (in_range(iblock, ee_block, ee_len)) {
newblock = iblock - ee_block + ee_start;
/* number of remaining blocks in the extent */
allocated = ee_len - (iblock - ee_block);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 0ca8110..ceb9d41 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -221,8 +221,6 @@ struct ext4_buddy {
#define EXT4_MB_BITMAP(e4b) ((e4b)->bd_bitmap)
#define EXT4_MB_BUDDY(e4b) ((e4b)->bd_buddy)

-#define in_range(b, first, len) ((b) >= (first) && (b) <= (first) + (len) - 1)
-
static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
struct ext4_free_extent *fex)
{
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a53b9e5..c0173a8 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -616,6 +616,13 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,

if (nfss->options & NFS_OPTION_FSCACHE)
seq_printf(m, ",fsc");
+
+ if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) {
+ if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONE)
+ seq_printf(m, ",lookupcache=none");
+ else
+ seq_printf(m, ",lookupcache=pos");
+ }
}

/*
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index d8fe53a..c8288df 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -293,12 +293,30 @@ static int ocfs2_set_acl(handle_t *handle,

int ocfs2_check_acl(struct inode *inode, int mask)
{
- struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+ struct buffer_head *di_bh = NULL;
+ struct posix_acl *acl;
+ int ret = -EAGAIN;

- if (IS_ERR(acl))
+ if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+ return ret;
+
+ ret = ocfs2_read_inode_block(inode, &di_bh);
+ if (ret < 0) {
+ mlog_errno(ret);
+ return ret;
+ }
+
+ acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, di_bh);
+
+ brelse(di_bh);
+
+ if (IS_ERR(acl)) {
+ mlog_errno(PTR_ERR(acl));
return PTR_ERR(acl);
+ }
if (acl) {
- int ret = posix_acl_permission(inode, acl, mask);
+ ret = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl);
return ret;
}
@@ -347,7 +365,7 @@ int ocfs2_init_acl(handle_t *handle,
{
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct posix_acl *acl = NULL;
- int ret = 0;
+ int ret = 0, ret2;
mode_t mode;

if (!S_ISLNK(inode->i_mode)) {
@@ -384,7 +402,12 @@ int ocfs2_init_acl(handle_t *handle,
mode = inode->i_mode;
ret = posix_acl_create_masq(clone, &mode);
if (ret >= 0) {
- ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
+ ret2 = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
+ if (ret2) {
+ mlog_errno(ret2);
+ ret = ret2;
+ goto cleanup;
+ }
if (ret > 0) {
ret = ocfs2_set_acl(handle, inode,
di_bh, ACL_TYPE_ACCESS,
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 83bcaf2..ef1ac9a 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -511,8 +511,6 @@ static void dlm_lockres_release(struct kref *kref)

atomic_dec(&dlm->res_cur_count);

- dlm_put(dlm);
-
if (!hlist_unhashed(&res->hash_node) ||
!list_empty(&res->granted) ||
!list_empty(&res->converting) ||
@@ -585,8 +583,6 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm,
res->migration_pending = 0;
res->inflight_locks = 0;

- /* put in dlm_lockres_release */
- dlm_grab(dlm);
res->dlm = dlm;

kref_init(&res->refs);
@@ -3046,8 +3042,6 @@ int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data,
/* check for pre-existing lock */
spin_lock(&dlm->spinlock);
res = __dlm_lookup_lockres(dlm, name, namelen, hash);
- spin_lock(&dlm->master_lock);
-
if (res) {
spin_lock(&res->spinlock);
if (res->state & DLM_LOCK_RES_RECOVERING) {
@@ -3065,14 +3059,15 @@ int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data,
spin_unlock(&res->spinlock);
}

+ spin_lock(&dlm->master_lock);
/* ignore status. only nonzero status would BUG. */
ret = dlm_add_migration_mle(dlm, res, mle, &oldmle,
name, namelen,
migrate->new_master,
migrate->master);

-unlock:
spin_unlock(&dlm->master_lock);
+unlock:
spin_unlock(&dlm->spinlock);

if (oldmle) {
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index d9fa3d2..3492550 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -1941,6 +1941,8 @@ void dlm_move_lockres_to_recovery_list(struct dlm_ctxt *dlm,
struct list_head *queue;
struct dlm_lock *lock, *next;

+ assert_spin_locked(&dlm->spinlock);
+ assert_spin_locked(&res->spinlock);
res->state |= DLM_LOCK_RES_RECOVERING;
if (!list_empty(&res->recovering)) {
mlog(0,
@@ -2265,19 +2267,15 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
/* zero the lvb if necessary */
dlm_revalidate_lvb(dlm, res, dead_node);
if (res->owner == dead_node) {
- if (res->state & DLM_LOCK_RES_DROPPING_REF)
- mlog(0, "%s:%.*s: owned by "
- "dead node %u, this node was "
- "dropping its ref when it died. "
- "continue, dropping the flag.\n",
- dlm->name, res->lockname.len,
- res->lockname.name, dead_node);
-
- /* the wake_up for this will happen when the
- * RECOVERING flag is dropped later */
- res->state &= ~DLM_LOCK_RES_DROPPING_REF;
+ if (res->state & DLM_LOCK_RES_DROPPING_REF) {
+ mlog(ML_NOTICE, "Ignore %.*s for "
+ "recovery as it is being freed\n",
+ res->lockname.len,
+ res->lockname.name);
+ } else
+ dlm_move_lockres_to_recovery_list(dlm,
+ res);

- dlm_move_lockres_to_recovery_list(dlm, res);
} else if (res->owner == dlm->node_num) {
dlm_free_dead_locks(dlm, res, dead_node);
__dlm_lockres_calc_usage(dlm, res);
diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 52ec020..86491f5 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -93,19 +93,27 @@ int __dlm_lockres_has_locks(struct dlm_lock_resource *res)
* truly ready to be freed. */
int __dlm_lockres_unused(struct dlm_lock_resource *res)
{
- if (!__dlm_lockres_has_locks(res) &&
- (list_empty(&res->dirty) && !(res->state & DLM_LOCK_RES_DIRTY))) {
- /* try not to scan the bitmap unless the first two
- * conditions are already true */
- int bit = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
- if (bit >= O2NM_MAX_NODES) {
- /* since the bit for dlm->node_num is not
- * set, inflight_locks better be zero */
- BUG_ON(res->inflight_locks != 0);
- return 1;
- }
- }
- return 0;
+ int bit;
+
+ if (__dlm_lockres_has_locks(res))
+ return 0;
+
+ if (!list_empty(&res->dirty) || res->state & DLM_LOCK_RES_DIRTY)
+ return 0;
+
+ if (res->state & DLM_LOCK_RES_RECOVERING)
+ return 0;
+
+ bit = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
+ if (bit < O2NM_MAX_NODES)
+ return 0;
+
+ /*
+ * since the bit for dlm->node_num is not set, inflight_locks better
+ * be zero
+ */
+ BUG_ON(res->inflight_locks != 0);
+ return 1;
}


@@ -153,45 +161,25 @@ void dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
spin_unlock(&dlm->spinlock);
}

-static int dlm_purge_lockres(struct dlm_ctxt *dlm,
+static void dlm_purge_lockres(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res)
{
int master;
int ret = 0;

- spin_lock(&res->spinlock);
- if (!__dlm_lockres_unused(res)) {
- mlog(0, "%s:%.*s: tried to purge but not unused\n",
- dlm->name, res->lockname.len, res->lockname.name);
- __dlm_print_one_lock_resource(res);
- spin_unlock(&res->spinlock);
- BUG();
- }
-
- if (res->state & DLM_LOCK_RES_MIGRATING) {
- mlog(0, "%s:%.*s: Delay dropref as this lockres is "
- "being remastered\n", dlm->name, res->lockname.len,
- res->lockname.name);
- /* Re-add the lockres to the end of the purge list */
- if (!list_empty(&res->purge)) {
- list_del_init(&res->purge);
- list_add_tail(&res->purge, &dlm->purge_list);
- }
- spin_unlock(&res->spinlock);
- return 0;
- }
+ assert_spin_locked(&dlm->spinlock);
+ assert_spin_locked(&res->spinlock);

master = (res->owner == dlm->node_num);

- if (!master)
- res->state |= DLM_LOCK_RES_DROPPING_REF;
- spin_unlock(&res->spinlock);

mlog(0, "purging lockres %.*s, master = %d\n", res->lockname.len,
res->lockname.name, master);

if (!master) {
+ res->state |= DLM_LOCK_RES_DROPPING_REF;
/* drop spinlock... retake below */
+ spin_unlock(&res->spinlock);
spin_unlock(&dlm->spinlock);

spin_lock(&res->spinlock);
@@ -209,31 +197,35 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm,
mlog(0, "%s:%.*s: dlm_deref_lockres returned %d\n",
dlm->name, res->lockname.len, res->lockname.name, ret);
spin_lock(&dlm->spinlock);
+ spin_lock(&res->spinlock);
}

- spin_lock(&res->spinlock);
if (!list_empty(&res->purge)) {
mlog(0, "removing lockres %.*s:%p from purgelist, "
"master = %d\n", res->lockname.len, res->lockname.name,
res, master);
list_del_init(&res->purge);
- spin_unlock(&res->spinlock);
dlm_lockres_put(res);
dlm->purge_count--;
- } else
- spin_unlock(&res->spinlock);
+ }
+
+ if (!__dlm_lockres_unused(res)) {
+ mlog(ML_ERROR, "found lockres %s:%.*s: in use after deref\n",
+ dlm->name, res->lockname.len, res->lockname.name);
+ __dlm_print_one_lock_resource(res);
+ BUG();
+ }

__dlm_unhash_lockres(res);

/* lockres is not in the hash now. drop the flag and wake up
* any processes waiting in dlm_get_lock_resource. */
if (!master) {
- spin_lock(&res->spinlock);
res->state &= ~DLM_LOCK_RES_DROPPING_REF;
spin_unlock(&res->spinlock);
wake_up(&res->wq);
- }
- return 0;
+ } else
+ spin_unlock(&res->spinlock);
}

static void dlm_run_purge_list(struct dlm_ctxt *dlm,
@@ -252,17 +244,7 @@ static void dlm_run_purge_list(struct dlm_ctxt *dlm,
lockres = list_entry(dlm->purge_list.next,
struct dlm_lock_resource, purge);

- /* Status of the lockres *might* change so double
- * check. If the lockres is unused, holding the dlm
- * spinlock will prevent people from getting and more
- * refs on it -- there's no need to keep the lockres
- * spinlock. */
spin_lock(&lockres->spinlock);
- unused = __dlm_lockres_unused(lockres);
- spin_unlock(&lockres->spinlock);
-
- if (!unused)
- continue;

purge_jiffies = lockres->last_used +
msecs_to_jiffies(DLM_PURGE_INTERVAL_MS);
@@ -274,15 +256,29 @@ static void dlm_run_purge_list(struct dlm_ctxt *dlm,
* in tail order, we can stop at the first
* unpurgable resource -- anyone added after
* him will have a greater last_used value */
+ spin_unlock(&lockres->spinlock);
break;
}

+ /* Status of the lockres *might* change so double
+ * check. If the lockres is unused, holding the dlm
+ * spinlock will prevent people from getting and more
+ * refs on it. */
+ unused = __dlm_lockres_unused(lockres);
+ if (!unused ||
+ (lockres->state & DLM_LOCK_RES_MIGRATING)) {
+ mlog(0, "lockres %s:%.*s: is in use or "
+ "being remastered, used %d, state %d\n",
+ dlm->name, lockres->lockname.len,
+ lockres->lockname.name, !unused, lockres->state);
+ list_move_tail(&dlm->purge_list, &lockres->purge);
+ spin_unlock(&lockres->spinlock);
+ continue;
+ }
+
dlm_lockres_get(lockres);

- /* This may drop and reacquire the dlm spinlock if it
- * has to do migration. */
- if (dlm_purge_lockres(dlm, lockres))
- BUG();
+ dlm_purge_lockres(dlm, lockres);

dlm_lockres_put(lockres);

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index bb0465f..10e9527 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2454,16 +2454,26 @@ static int ocfs2_calc_refcount_meta_credits(struct super_block *sb,
len = min((u64)cpos + clusters, le64_to_cpu(rec.r_cpos) +
le32_to_cpu(rec.r_clusters)) - cpos;
/*
- * If the refcount rec already exist, cool. We just need
- * to check whether there is a split. Otherwise we just need
- * to increase the refcount.
- * If we will insert one, increases recs_add.
- *
* We record all the records which will be inserted to the
* same refcount block, so that we can tell exactly whether
* we need a new refcount block or not.
+ *
+ * If we will insert a new one, this is easy and only happens
+ * during adding refcounted flag to the extent, so we don't
+ * have a chance of spliting. We just need one record.
+ *
+ * If the refcount rec already exists, that would be a little
+ * complicated. we may have to:
+ * 1) split at the beginning if the start pos isn't aligned.
+ * we need 1 more record in this case.
+ * 2) split int the end if the end pos isn't aligned.
+ * we need 1 more record in this case.
+ * 3) split in the middle because of file system fragmentation.
+ * we need 2 more records in this case(we can't detect this
+ * beforehand, so always think of the worst case).
*/
if (rec.r_refcount) {
+ recs_add += 2;
/* Check whether we need a split at the beginning. */
if (cpos == start_cpos &&
cpos != le64_to_cpu(rec.r_cpos))
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 84a524a..9d12ed5 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -138,7 +138,7 @@ struct vm_area_struct {
within vm_mm. */

/* linked list of VM areas per task, sorted by address */
- struct vm_area_struct *vm_next;
+ struct vm_area_struct *vm_next, *vm_prev;

pgprot_t vm_page_prot; /* Access permissions of this VMA. */
unsigned long vm_flags; /* Flags, see mm.h. */
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 6a664c3..7dc97d1 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1707,6 +1707,7 @@ struct snd_emu10k1 {
unsigned int card_type; /* EMU10K1_CARD_* */
unsigned int ecard_ctrl; /* ecard control bits */
unsigned long dma_mask; /* PCI DMA mask */
+ unsigned int delay_pcm_irq; /* in samples */
int max_cache_pages; /* max memory size / PAGE_SIZE */
struct snd_dma_buffer silent_page; /* silent page */
struct snd_dma_buffer ptb_pages; /* page table pages */
diff --git a/kernel/fork.c b/kernel/fork.c
index ce2f585..9f3b066 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -277,7 +277,7 @@ out:
#ifdef CONFIG_MMU
static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
{
- struct vm_area_struct *mpnt, *tmp, **pprev;
+ struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
struct rb_node **rb_link, *rb_parent;
int retval;
unsigned long charge;
@@ -305,6 +305,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
if (retval)
goto out;

+ prev = NULL;
for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) {
struct file *file;

@@ -333,7 +334,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
vma_set_policy(tmp, pol);
tmp->vm_flags &= ~VM_LOCKED;
tmp->vm_mm = mm;
- tmp->vm_next = NULL;
+ tmp->vm_next = tmp->vm_prev = NULL;
anon_vma_link(tmp);
file = tmp->vm_file;
if (file) {
@@ -367,6 +368,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
*/
*pprev = tmp;
pprev = &tmp->vm_next;
+ tmp->vm_prev = prev;
+ prev = tmp;

__vma_link_rb(mm, tmp, rb_link, rb_parent);
rb_link = &tmp->vm_rb.rb_right;
diff --git a/mm/memory.c b/mm/memory.c
index babb991..194dc17 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2640,11 +2640,18 @@ static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned lo
{
address &= PAGE_MASK;
if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) {
- address -= PAGE_SIZE;
- if (find_vma(vma->vm_mm, address) != vma)
- return -ENOMEM;
+ struct vm_area_struct *prev = vma->vm_prev;
+
+ /*
+ * Is there a mapping abutting this one below?
+ *
+ * That's only ok if it's the same stack mapping
+ * that has gotten split..
+ */
+ if (prev && prev->vm_end == address)
+ return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;

- expand_stack(vma, address);
+ expand_stack(vma, address - PAGE_SIZE);
}
return 0;
}
diff --git a/mm/mlock.c b/mm/mlock.c
index 524d2a4..380ea89 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -138,6 +138,19 @@ void munlock_vma_page(struct page *page)
}
}

+/* Is the vma a continuation of the stack vma above it? */
+static inline int vma_stack_continue(struct vm_area_struct *vma, unsigned long addr)
+{
+ return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN);
+}
+
+static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr)
+{
+ return (vma->vm_flags & VM_GROWSDOWN) &&
+ (vma->vm_start == addr) &&
+ !vma_stack_continue(vma->vm_prev, addr);
+}
+
/**
* __mlock_vma_pages_range() - mlock a range of pages in the vma.
* @vma: target vma
@@ -171,11 +184,9 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma,
gup_flags |= FOLL_WRITE;

/* We don't try to access the guard page of a stack vma */
- if (vma->vm_flags & VM_GROWSDOWN) {
- if (start == vma->vm_start) {
- start += PAGE_SIZE;
- nr_pages--;
- }
+ if (stack_guard_page(vma, start)) {
+ addr += PAGE_SIZE;
+ nr_pages--;
}

while (nr_pages > 0) {
diff --git a/mm/mmap.c b/mm/mmap.c
index ae19746..b309c75 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -389,17 +389,23 @@ static inline void
__vma_link_list(struct mm_struct *mm, struct vm_area_struct *vma,
struct vm_area_struct *prev, struct rb_node *rb_parent)
{
+ struct vm_area_struct *next;
+
+ vma->vm_prev = prev;
if (prev) {
- vma->vm_next = prev->vm_next;
+ next = prev->vm_next;
prev->vm_next = vma;
} else {
mm->mmap = vma;
if (rb_parent)
- vma->vm_next = rb_entry(rb_parent,
+ next = rb_entry(rb_parent,
struct vm_area_struct, vm_rb);
else
- vma->vm_next = NULL;
+ next = NULL;
}
+ vma->vm_next = next;
+ if (next)
+ next->vm_prev = vma;
}

void __vma_link_rb(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -487,7 +493,11 @@ static inline void
__vma_unlink(struct mm_struct *mm, struct vm_area_struct *vma,
struct vm_area_struct *prev)
{
- prev->vm_next = vma->vm_next;
+ struct vm_area_struct *next = vma->vm_next;
+
+ prev->vm_next = next;
+ if (next)
+ next->vm_prev = prev;
rb_erase(&vma->vm_rb, &mm->mm_rb);
if (mm->mmap_cache == vma)
mm->mmap_cache = prev;
@@ -1798,6 +1808,7 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr;

insertion_point = (prev ? &prev->vm_next : &mm->mmap);
+ vma->vm_prev = NULL;
do {
rb_erase(&vma->vm_rb, &mm->mm_rb);
mm->map_count--;
@@ -1805,6 +1816,8 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
vma = vma->vm_next;
} while (vma && vma->vm_start < end);
*insertion_point = vma;
+ if (vma)
+ vma->vm_prev = prev;
tail_vma->vm_next = NULL;
if (mm->unmap_area == arch_unmap_area)
addr = prev ? prev->vm_end : mm->mmap_base;
diff --git a/mm/nommu.c b/mm/nommu.c
index 9876fa0..ebb3154 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -608,7 +608,7 @@ static void protect_vma(struct vm_area_struct *vma, unsigned long flags)
*/
static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
{
- struct vm_area_struct *pvma, **pp;
+ struct vm_area_struct *pvma, **pp, *next;
struct address_space *mapping;
struct rb_node **p, *parent;

@@ -668,8 +668,11 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
break;
}

- vma->vm_next = *pp;
+ next = *pp;
*pp = vma;
+ vma->vm_next = next;
+ if (next)
+ next->vm_prev = vma;
}

/*
diff --git a/mm/slab.c b/mm/slab.c
index 5d1a782..c8d466a 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2249,8 +2249,8 @@ kmem_cache_create (const char *name, size_t size, size_t align,
}
#if FORCED_DEBUG && defined(CONFIG_DEBUG_PAGEALLOC)
if (size >= malloc_sizes[INDEX_L3 + 1].cs_size
- && cachep->obj_size > cache_line_size() && size < PAGE_SIZE) {
- cachep->obj_offset += PAGE_SIZE - size;
+ && cachep->obj_size > cache_line_size() && ALIGN(size, align) < PAGE_SIZE) {
+ cachep->obj_offset += PAGE_SIZE - ALIGN(size, align);
size = PAGE_SIZE;
}
#endif
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 692807f..4649929 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1083,6 +1083,48 @@ static int too_many_isolated(struct zone *zone, int file,
}

/*
+ * Returns true if the caller should wait to clean dirty/writeback pages.
+ *
+ * If we are direct reclaiming for contiguous pages and we do not reclaim
+ * everything in the list, try again and wait for writeback IO to complete.
+ * This will stall high-order allocations noticeably. Only do that when really
+ * need to free the pages under high memory pressure.
+ */
+static inline bool should_reclaim_stall(unsigned long nr_taken,
+ unsigned long nr_freed,
+ int priority,
+ int lumpy_reclaim,
+ struct scan_control *sc)
+{
+ int lumpy_stall_priority;
+
+ /* kswapd should not stall on sync IO */
+ if (current_is_kswapd())
+ return false;
+
+ /* Only stall on lumpy reclaim */
+ if (!lumpy_reclaim)
+ return false;
+
+ /* If we have relaimed everything on the isolated list, no stall */
+ if (nr_freed == nr_taken)
+ return false;
+
+ /*
+ * For high-order allocations, there are two stall thresholds.
+ * High-cost allocations stall immediately where as lower
+ * order allocations such as stacks require the scanning
+ * priority to be much higher before stalling.
+ */
+ if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
+ lumpy_stall_priority = DEF_PRIORITY;
+ else
+ lumpy_stall_priority = DEF_PRIORITY / 3;
+
+ return priority <= lumpy_stall_priority;
+}
+
+/*
* shrink_inactive_list() is a helper for shrink_zone(). It returns the number
* of reclaimed pages
*/
@@ -1176,14 +1218,9 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
nr_scanned += nr_scan;
nr_freed = shrink_page_list(&page_list, sc, PAGEOUT_IO_ASYNC);

- /*
- * If we are direct reclaiming for contiguous pages and we do
- * not reclaim everything in the list, try again and wait
- * for IO to complete. This will stall high-order allocations
- * but that should be acceptable to the caller
- */
- if (nr_freed < nr_taken && !current_is_kswapd() &&
- lumpy_reclaim) {
+ /* Check if we should syncronously wait for writeback */
+ if (should_reclaim_stall(nr_taken, nr_freed, priority,
+ lumpy_reclaim, sc)) {
congestion_wait(BLK_RW_ASYNC, HZ/10);

/*
diff --git a/net/can/bcm.c b/net/can/bcm.c
index e8d58f3..ff8c690 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -59,6 +59,13 @@
#include <net/sock.h>
#include <net/net_namespace.h>

+/*
+ * To send multiple CAN frame content within TX_SETUP or to filter
+ * CAN messages with multiplex index within RX_SETUP, the number of
+ * different filters is limited to 256 due to the one byte index value.
+ */
+#define MAX_NFRAMES 256
+
/* use of last_frames[index].can_dlc */
#define RX_RECV 0x40 /* received data for this element */
#define RX_THR 0x80 /* element not been sent due to throttle feature */
@@ -88,16 +95,16 @@ struct bcm_op {
struct list_head list;
int ifindex;
canid_t can_id;
- int flags;
+ u32 flags;
unsigned long frames_abs, frames_filtered;
struct timeval ival1, ival2;
struct hrtimer timer, thrtimer;
struct tasklet_struct tsklet, thrtsklet;
ktime_t rx_stamp, kt_ival1, kt_ival2, kt_lastmsg;
int rx_ifindex;
- int count;
- int nframes;
- int currframe;
+ u32 count;
+ u32 nframes;
+ u32 currframe;
struct can_frame *frames;
struct can_frame *last_frames;
struct can_frame sframe;
@@ -174,7 +181,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)

seq_printf(m, "rx_op: %03X %-5s ",
op->can_id, bcm_proc_getifname(ifname, op->ifindex));
- seq_printf(m, "[%d]%c ", op->nframes,
+ seq_printf(m, "[%u]%c ", op->nframes,
(op->flags & RX_CHECK_DLC)?'d':' ');
if (op->kt_ival1.tv64)
seq_printf(m, "timeo=%lld ",
@@ -197,7 +204,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)

list_for_each_entry(op, &bo->tx_ops, list) {

- seq_printf(m, "tx_op: %03X %s [%d] ",
+ seq_printf(m, "tx_op: %03X %s [%u] ",
op->can_id,
bcm_proc_getifname(ifname, op->ifindex),
op->nframes);
@@ -282,7 +289,7 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head,
struct can_frame *firstframe;
struct sockaddr_can *addr;
struct sock *sk = op->sk;
- int datalen = head->nframes * CFSIZ;
+ unsigned int datalen = head->nframes * CFSIZ;
int err;

skb = alloc_skb(sizeof(*head) + datalen, gfp_any());
@@ -467,7 +474,7 @@ rx_changed_settime:
* bcm_rx_cmp_to_index - (bit)compares the currently received data to formerly
* received data stored in op->last_frames[]
*/
-static void bcm_rx_cmp_to_index(struct bcm_op *op, int index,
+static void bcm_rx_cmp_to_index(struct bcm_op *op, unsigned int index,
const struct can_frame *rxdata)
{
/*
@@ -553,7 +560,8 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer)
/*
* bcm_rx_do_flush - helper for bcm_rx_thr_flush
*/
-static inline int bcm_rx_do_flush(struct bcm_op *op, int update, int index)
+static inline int bcm_rx_do_flush(struct bcm_op *op, int update,
+ unsigned int index)
{
if ((op->last_frames) && (op->last_frames[index].can_dlc & RX_THR)) {
if (update)
@@ -574,7 +582,7 @@ static int bcm_rx_thr_flush(struct bcm_op *op, int update)
int updated = 0;

if (op->nframes > 1) {
- int i;
+ unsigned int i;

/* for MUX filter we start at index 1 */
for (i = 1; i < op->nframes; i++)
@@ -623,7 +631,7 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data)
{
struct bcm_op *op = (struct bcm_op *)data;
const struct can_frame *rxframe = (struct can_frame *)skb->data;
- int i;
+ unsigned int i;

/* disable timeout */
hrtimer_cancel(&op->timer);
@@ -823,14 +831,15 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
{
struct bcm_sock *bo = bcm_sk(sk);
struct bcm_op *op;
- int i, err;
+ unsigned int i;
+ int err;

/* we need a real device to send frames */
if (!ifindex)
return -ENODEV;

- /* we need at least one can_frame */
- if (msg_head->nframes < 1)
+ /* check nframes boundaries - we need at least one can_frame */
+ if (msg_head->nframes < 1 || msg_head->nframes > MAX_NFRAMES)
return -EINVAL;

/* check the given can_id */
@@ -994,6 +1003,10 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
msg_head->nframes = 0;
}

+ /* the first element contains the mux-mask => MAX_NFRAMES + 1 */
+ if (msg_head->nframes > MAX_NFRAMES + 1)
+ return -EINVAL;
+
if ((msg_head->flags & RX_RTR_FRAME) &&
((msg_head->nframes != 1) ||
(!(msg_head->can_id & CAN_RTR_FLAG))))
diff --git a/net/core/dev.c b/net/core/dev.c
index 74d0cce..915d0ae 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2519,7 +2519,7 @@ pull:
put_page(skb_shinfo(skb)->frags[0].page);
memmove(skb_shinfo(skb)->frags,
skb_shinfo(skb)->frags + 1,
- --skb_shinfo(skb)->nr_frags);
+ --skb_shinfo(skb)->nr_frags * sizeof(skb_frag_t));
}
}

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 19e9800..5a7dcdf 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1363,7 +1363,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
struct netlink_sock *nlk = nlk_sk(sk);
int noblock = flags&MSG_DONTWAIT;
size_t copied;
- struct sk_buff *skb, *frag __maybe_unused = NULL;
+ struct sk_buff *skb, *data_skb;
int err;

if (flags&MSG_OOB)
@@ -1375,45 +1375,35 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
if (skb == NULL)
goto out;

+ data_skb = skb;
+
#ifdef CONFIG_COMPAT_NETLINK_MESSAGES
if (unlikely(skb_shinfo(skb)->frag_list)) {
- bool need_compat = !!(flags & MSG_CMSG_COMPAT);
-
/*
- * If this skb has a frag_list, then here that means that
- * we will have to use the frag_list skb for compat tasks
- * and the regular skb for non-compat tasks.
+ * If this skb has a frag_list, then here that means that we
+ * will have to use the frag_list skb's data for compat tasks
+ * and the regular skb's data for normal (non-compat) tasks.
*
- * The skb might (and likely will) be cloned, so we can't
- * just reset frag_list and go on with things -- we need to
- * keep that. For the compat case that's easy -- simply get
- * a reference to the compat skb and free the regular one
- * including the frag. For the non-compat case, we need to
- * avoid sending the frag to the user -- so assign NULL but
- * restore it below before freeing the skb.
+ * If we need to send the compat skb, assign it to the
+ * 'data_skb' variable so that it will be used below for data
+ * copying. We keep 'skb' for everything else, including
+ * freeing both later.
*/
- if (need_compat) {
- struct sk_buff *compskb = skb_shinfo(skb)->frag_list;
- skb_get(compskb);
- kfree_skb(skb);
- skb = compskb;
- } else {
- frag = skb_shinfo(skb)->frag_list;
- skb_shinfo(skb)->frag_list = NULL;
- }
+ if (flags & MSG_CMSG_COMPAT)
+ data_skb = skb_shinfo(skb)->frag_list;
}
#endif

msg->msg_namelen = 0;

- copied = skb->len;
+ copied = data_skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}

- skb_reset_transport_header(skb);
- err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+ skb_reset_transport_header(data_skb);
+ err = skb_copy_datagram_iovec(data_skb, 0, msg->msg_iov, copied);

if (msg->msg_name) {
struct sockaddr_nl *addr = (struct sockaddr_nl *)msg->msg_name;
@@ -1433,11 +1423,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
}
siocb->scm->creds = *NETLINK_CREDS(skb);
if (flags & MSG_TRUNC)
- copied = skb->len;
-
-#ifdef CONFIG_COMPAT_NETLINK_MESSAGES
- skb_shinfo(skb)->frag_list = frag;
-#endif
+ copied = data_skb->len;

skb_free_datagram(sk, skb);

diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index d885ba3..37e198c 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -240,7 +240,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
iph->saddr = new_addr;

inet_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr,
- 1);
+ 0);
break;
}
default:
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index 67d59c7..5325423 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -44,7 +44,9 @@ all:

Makefile:;

-\$(all) %/: all
+\$(all): all
@:

+%/: all
+ @:
EOF
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 7ba779d..e6d2d97 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -972,6 +972,10 @@ static int snd_pcm_do_pause(struct snd_pcm_substream *substream, int push)
{
if (substream->runtime->trigger_master != substream)
return 0;
+ /* some drivers might use hw_ptr to recover from the pause -
+ update the hw_ptr now */
+ if (push)
+ snd_pcm_update_hw_ptr(substream);
/* The jiffies check in snd_pcm_update_hw_ptr*() is done by
* a delta betwen the current jiffies, this gives a large enough
* delta, effectively to skip the check once.
diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c
index 168af67..92626f3 100644
--- a/sound/pci/emu10k1/emu10k1.c
+++ b/sound/pci/emu10k1/emu10k1.c
@@ -52,6 +52,7 @@ static int max_synth_voices[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 64};
static int max_buffer_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128};
static int enable_ir[SNDRV_CARDS];
static uint subsystem[SNDRV_CARDS]; /* Force card subsystem model */
+static uint delay_pcm_irq[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the EMU10K1 soundcard.");
@@ -73,6 +74,8 @@ module_param_array(enable_ir, bool, NULL, 0444);
MODULE_PARM_DESC(enable_ir, "Enable IR.");
module_param_array(subsystem, uint, NULL, 0444);
MODULE_PARM_DESC(subsystem, "Force card subsystem model.");
+module_param_array(delay_pcm_irq, uint, NULL, 0444);
+MODULE_PARM_DESC(delay_pcm_irq, "Delay PCM interrupt by specified number of samples (default 0).");
/*
* Class 0401: 1102:0008 (rev 00) Subsystem: 1102:1001 -> Audigy2 Value Model:SB0400
*/
@@ -127,6 +130,7 @@ static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
&emu)) < 0)
goto error;
card->private_data = emu;
+ emu->delay_pcm_irq = delay_pcm_irq[dev] & 0x1f;
if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0)
goto error;
if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0)
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index 55b83ef..622bace 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -332,7 +332,7 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
evoice->epcm->ccca_start_addr = start_addr + ccis;
if (extra) {
start_addr += ccis;
- end_addr += ccis;
+ end_addr += ccis + emu->delay_pcm_irq;
}
if (stereo && !extra) {
snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
@@ -360,7 +360,9 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
/* Assumption that PT is already 0 so no harm overwriting */
snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
- snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
+ snd_emu10k1_ptr_write(emu, PSST, voice,
+ (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
+ (send_amount[2] << 24));
if (emu->card_capabilities->emu_model)
pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
else
@@ -732,6 +734,23 @@ static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_
snd_emu10k1_ptr_write(emu, IP, voice, 0);
}

+static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
+ struct snd_emu10k1_pcm *epcm,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime)
+{
+ unsigned int ptr, period_pos;
+
+ /* try to sychronize the current position for the interrupt
+ source voice */
+ period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
+ period_pos %= runtime->period_size;
+ ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
+ ptr &= ~0x00ffffff;
+ ptr |= epcm->ccca_start_addr + period_pos;
+ snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
+}
+
static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
@@ -753,6 +772,8 @@ static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
/* follow thru */
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
+ if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
+ snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
mix = &emu->pcm_mixer[substream->number];
snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
@@ -869,8 +890,9 @@ static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *
#endif
/*
printk(KERN_DEBUG
- "ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n",
- ptr, runtime->buffer_size, runtime->period_size);
+ "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
+ (long)ptr, (long)runtime->buffer_size,
+ (long)runtime->period_size);
*/
return ptr;
}
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 6a47672..7c3ce5f 100644
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -309,8 +309,10 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
if (snd_BUG_ON(!hdr))
return NULL;

+ idx = runtime->period_size >= runtime->buffer_size ?
+ (emu->delay_pcm_irq * 2) : 0;
mutex_lock(&hdr->block_mutex);
- blk = search_empty(emu, runtime->dma_bytes);
+ blk = search_empty(emu, runtime->dma_bytes + idx);
if (blk == NULL) {
mutex_unlock(&hdr->block_mutex);
return NULL;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index aa2ec23..7b4e74d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6455,6 +6455,7 @@ static int patch_alc260(struct hda_codec *codec)

spec->stream_analog_playback = &alc260_pcm_analog_playback;
spec->stream_analog_capture = &alc260_pcm_analog_capture;
+ spec->stream_analog_alt_capture = &alc260_pcm_analog_capture;

spec->stream_digital_playback = &alc260_pcm_digital_playback;
spec->stream_digital_capture = &alc260_pcm_digital_capture;
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index aac20fb..4196e3d 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -1776,6 +1776,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = {
},
{
.subvendor = 0x1014,
+ .subdevice = 0x0534,
+ .name = "ThinkPad X31",
+ .type = AC97_TUNE_INV_EAPD
+ },
+ {
+ .subvendor = 0x1014,
.subdevice = 0x1f00,
.name = "MS-9128",
.type = AC97_TUNE_ALC_JACK
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index b5ca02e..246b7c6 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1224,15 +1224,14 @@ static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
firmware.firmware.ASIC, firmware.firmware.CODEC,
firmware.firmware.AUXDSP, firmware.firmware.PROG);

+ if (!chip)
+ return 1;
+
for (i = 0; i < FIRMWARE_VERSIONS; i++) {
if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
- break;
- }
- if (i >= FIRMWARE_VERSIONS)
- return 0; /* no match */
+ return 1; /* OK */

- if (!chip)
- return 1; /* OK */
+ }

snd_printdd("Writing Firmware\n");
if (!chip->fw_entry) {
diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 6bded8c..c1e767d 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -268,9 +268,9 @@ SOC_DOUBLE("DAC2 Invert Switch", WM8580_DAC_CONTROL4, 2, 3, 1, 0),
SOC_DOUBLE("DAC3 Invert Switch", WM8580_DAC_CONTROL4, 4, 5, 1, 0),

SOC_SINGLE("DAC ZC Switch", WM8580_DAC_CONTROL5, 5, 1, 0),
-SOC_SINGLE("DAC1 Switch", WM8580_DAC_CONTROL5, 0, 1, 0),
-SOC_SINGLE("DAC2 Switch", WM8580_DAC_CONTROL5, 1, 1, 0),
-SOC_SINGLE("DAC3 Switch", WM8580_DAC_CONTROL5, 2, 1, 0),
+SOC_SINGLE("DAC1 Switch", WM8580_DAC_CONTROL5, 0, 1, 1),
+SOC_SINGLE("DAC2 Switch", WM8580_DAC_CONTROL5, 1, 1, 1),
+SOC_SINGLE("DAC3 Switch", WM8580_DAC_CONTROL5, 2, 1, 1),

SOC_DOUBLE("ADC Mute Switch", WM8580_ADC_CONTROL1, 0, 1, 1, 0),
SOC_SINGLE("ADC High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0),
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 8286c62..38a53a6 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -177,13 +177,6 @@ static int wm8776_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
case SND_SOC_DAIFMT_LEFT_J:
iface |= 0x0001;
break;
- /* FIXME: CHECK A/B */
- case SND_SOC_DAIFMT_DSP_A:
- iface |= 0x0003;
- break;
- case SND_SOC_DAIFMT_DSP_B:
- iface |= 0x0007;
- break;
default:
return -EINVAL;
}

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