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Open Source and information security mailing list archives
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Date: Mon, 25 Jan 2010 10:56:16 -0800
From: Greg KH <gregkh@...e.de>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...nel.org, lwn@....net
Subject: Re: Linux 2.6.32.6
diff --git a/Makefile b/Makefile
index 4ebd3f1..20da312 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 32
-EXTRAVERSION = .5
+EXTRAVERSION = .6
NAME = Man-Eating Seals of Antiquity
# *DOCUMENTATION*
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 6a52d4b..f8590c5 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -192,7 +192,8 @@ static int __init cpuid_init(void)
int i, err = 0;
i = 0;
- if (register_chrdev(CPUID_MAJOR, "cpu/cpuid", &cpuid_fops)) {
+ if (__register_chrdev(CPUID_MAJOR, 0, NR_CPUS,
+ "cpu/cpuid", &cpuid_fops)) {
printk(KERN_ERR "cpuid: unable to get major %d for cpuid\n",
CPUID_MAJOR);
err = -EBUSY;
@@ -221,7 +222,7 @@ out_class:
}
class_destroy(cpuid_class);
out_chrdev:
- unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");
+ __unregister_chrdev(CPUID_MAJOR, 0, NR_CPUS, "cpu/cpuid");
out:
return err;
}
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 6a3cefc..b42e63b 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -251,7 +251,7 @@ static int __init msr_init(void)
int i, err = 0;
i = 0;
- if (register_chrdev(MSR_MAJOR, "cpu/msr", &msr_fops)) {
+ if (__register_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr", &msr_fops)) {
printk(KERN_ERR "msr: unable to get major %d for msr\n",
MSR_MAJOR);
err = -EBUSY;
@@ -279,7 +279,7 @@ out_class:
msr_device_destroy(i);
class_destroy(msr_class);
out_chrdev:
- unregister_chrdev(MSR_MAJOR, "cpu/msr");
+ __unregister_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr");
out:
return err;
}
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index b22d13b..a672f12 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -282,6 +282,15 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return -EINVAL;
prot = pgprot_val(vma->vm_page_prot);
+
+ /*
+ * Return error if pat is not enabled and write_combine is requested.
+ * Caller can followup with UC MINUS request and add a WC mtrr if there
+ * is a free mtrr slot.
+ */
+ if (!pat_enabled && write_combine)
+ return -EINVAL;
+
if (pat_enabled && write_combine)
prot |= _PAGE_CACHE_WC;
else if (pat_enabled || boot_cpu_data.x86 > 3)
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 66d4aa8..d5aa886 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -560,6 +560,28 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
EXPORT_SYMBOL(blk_stack_limits);
/**
+ * bdev_stack_limits - adjust queue limits for stacked drivers
+ * @t: the stacking driver limits (top device)
+ * @bdev: the component block_device (bottom)
+ * @start: first data sector within component device
+ *
+ * Description:
+ * Merges queue limits for a top device and a block_device. Returns
+ * 0 if alignment didn't change. Returns -1 if adding the bottom
+ * device caused misalignment.
+ */
+int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
+ sector_t start)
+{
+ struct request_queue *bq = bdev_get_queue(bdev);
+
+ start += get_start_sect(bdev);
+
+ return blk_stack_limits(t, &bq->limits, start << 9);
+}
+EXPORT_SYMBOL(bdev_stack_limits);
+
+/**
* disk_stack_limits - adjust queue limits for stacked drivers
* @disk: MD/DM gendisk (top)
* @bdev: the underlying block device (bottom)
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 7511029..f1670e0 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -201,14 +201,13 @@ unlock:
spin_unlock_irqrestore(&ec->curr_lock, flags);
}
-static void acpi_ec_gpe_query(void *ec_cxt);
+static int acpi_ec_sync_query(struct acpi_ec *ec);
-static int ec_check_sci(struct acpi_ec *ec, u8 state)
+static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
{
if (state & ACPI_EC_FLAG_SCI) {
if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
- return acpi_os_execute(OSL_EC_BURST_HANDLER,
- acpi_ec_gpe_query, ec);
+ return acpi_ec_sync_query(ec);
}
return 0;
}
@@ -249,11 +248,6 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
{
unsigned long tmp;
int ret = 0;
- pr_debug(PREFIX "transaction start\n");
- /* disable GPE during transaction if storm is detected */
- if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
- acpi_disable_gpe(NULL, ec->gpe);
- }
if (EC_FLAGS_MSI)
udelay(ACPI_EC_MSI_UDELAY);
/* start transaction */
@@ -265,20 +259,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
spin_unlock_irqrestore(&ec->curr_lock, tmp);
ret = ec_poll(ec);
- pr_debug(PREFIX "transaction end\n");
spin_lock_irqsave(&ec->curr_lock, tmp);
ec->curr = NULL;
spin_unlock_irqrestore(&ec->curr_lock, tmp);
- if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
- /* check if we received SCI during transaction */
- ec_check_sci(ec, acpi_ec_read_status(ec));
- /* it is safe to enable GPE outside of transaction */
- acpi_enable_gpe(NULL, ec->gpe);
- } else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
- pr_info(PREFIX "GPE storm detected, "
- "transactions will use polling mode\n");
- set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
- }
return ret;
}
@@ -321,7 +304,26 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
status = -ETIME;
goto end;
}
+ pr_debug(PREFIX "transaction start\n");
+ /* disable GPE during transaction if storm is detected */
+ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
+ acpi_disable_gpe(NULL, ec->gpe);
+ }
+
status = acpi_ec_transaction_unlocked(ec, t);
+
+ /* check if we received SCI during transaction */
+ ec_check_sci_sync(ec, acpi_ec_read_status(ec));
+ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
+ msleep(1);
+ /* it is safe to enable GPE outside of transaction */
+ acpi_enable_gpe(NULL, ec->gpe);
+ } else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) {
+ pr_info(PREFIX "GPE storm detected, "
+ "transactions will use polling mode\n");
+ set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
+ }
+ pr_debug(PREFIX "transaction end\n");
end:
if (ec->global_lock)
acpi_release_global_lock(glk);
@@ -443,7 +445,7 @@ int ec_transaction(u8 command,
EXPORT_SYMBOL(ec_transaction);
-static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
+static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data)
{
int result;
u8 d;
@@ -452,20 +454,16 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
.wlen = 0, .rlen = 1};
if (!ec || !data)
return -EINVAL;
-
/*
* Query the EC to find out which _Qxx method we need to evaluate.
* Note that successful completion of the query causes the ACPI_EC_SCI
* bit to be cleared (and thus clearing the interrupt source).
*/
-
- result = acpi_ec_transaction(ec, &t);
+ result = acpi_ec_transaction_unlocked(ec, &t);
if (result)
return result;
-
if (!d)
return -ENODATA;
-
*data = d;
return 0;
}
@@ -509,43 +507,78 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit)
EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler);
-static void acpi_ec_gpe_query(void *ec_cxt)
+static void acpi_ec_run(void *cxt)
{
- struct acpi_ec *ec = ec_cxt;
- u8 value = 0;
- struct acpi_ec_query_handler *handler, copy;
-
- if (!ec || acpi_ec_query(ec, &value))
+ struct acpi_ec_query_handler *handler = cxt;
+ if (!handler)
return;
- mutex_lock(&ec->lock);
+ pr_debug(PREFIX "start query execution\n");
+ if (handler->func)
+ handler->func(handler->data);
+ else if (handler->handle)
+ acpi_evaluate_object(handler->handle, NULL, NULL, NULL);
+ pr_debug(PREFIX "stop query execution\n");
+ kfree(handler);
+}
+
+static int acpi_ec_sync_query(struct acpi_ec *ec)
+{
+ u8 value = 0;
+ int status;
+ struct acpi_ec_query_handler *handler, *copy;
+ if ((status = acpi_ec_query_unlocked(ec, &value)))
+ return status;
list_for_each_entry(handler, &ec->list, node) {
if (value == handler->query_bit) {
/* have custom handler for this bit */
- memcpy(©, handler, sizeof(copy));
- mutex_unlock(&ec->lock);
- if (copy.func) {
- copy.func(copy.data);
- } else if (copy.handle) {
- acpi_evaluate_object(copy.handle, NULL, NULL, NULL);
- }
- return;
+ copy = kmalloc(sizeof(*handler), GFP_KERNEL);
+ if (!copy)
+ return -ENOMEM;
+ memcpy(copy, handler, sizeof(*copy));
+ pr_debug(PREFIX "push query execution (0x%2x) on queue\n", value);
+ return acpi_os_execute(OSL_GPE_HANDLER,
+ acpi_ec_run, copy);
}
}
+ return 0;
+}
+
+static void acpi_ec_gpe_query(void *ec_cxt)
+{
+ struct acpi_ec *ec = ec_cxt;
+ if (!ec)
+ return;
+ mutex_lock(&ec->lock);
+ acpi_ec_sync_query(ec);
mutex_unlock(&ec->lock);
}
+static void acpi_ec_gpe_query(void *ec_cxt);
+
+static int ec_check_sci(struct acpi_ec *ec, u8 state)
+{
+ if (state & ACPI_EC_FLAG_SCI) {
+ if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) {
+ pr_debug(PREFIX "push gpe query to the queue\n");
+ return acpi_os_execute(OSL_NOTIFY_HANDLER,
+ acpi_ec_gpe_query, ec);
+ }
+ }
+ return 0;
+}
+
static u32 acpi_ec_gpe_handler(void *data)
{
struct acpi_ec *ec = data;
- u8 status;
pr_debug(PREFIX "~~~> interrupt\n");
- status = acpi_ec_read_status(ec);
- advance_transaction(ec, status);
- if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0)
+ advance_transaction(ec, acpi_ec_read_status(ec));
+ if (ec_transaction_done(ec) &&
+ (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) {
wake_up(&ec->wait);
- ec_check_sci(ec, status);
+ ec_check_sci(ec, acpi_ec_read_status(ec));
+ }
return ACPI_INTERRUPT_HANDLED;
}
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index d3400b2..dc52f75 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -1629,10 +1629,10 @@ static void ntty_close(struct tty_struct *tty, struct file *file)
dc->open_ttys--;
port->count--;
- tty_port_tty_set(port, NULL);
if (port->count == 0) {
DBG1("close: %d", nport->token_dl);
+ tty_port_tty_set(port, NULL);
spin_lock_irqsave(&dc->spin_mutex, flags);
dc->last_ier &= ~(nport->token_dl);
writew(dc->last_ier, dc->reg_ier);
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 59499ee..e919bd9 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1930,8 +1930,8 @@ static int tty_fasync(int fd, struct file *filp, int on)
pid = task_pid(current);
type = PIDTYPE_PID;
}
- spin_unlock_irqrestore(&tty->ctrl_lock, flags);
retval = __f_setown(filp, pid, type, 0);
+ spin_unlock_irqrestore(&tty->ctrl_lock, flags);
if (retval)
goto out;
} else {
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 083bec2..29e21d3 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -472,14 +472,63 @@ static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
}
/**
- * Don't check status code from this as it switches the bus back to the
- * SDVO chips which defeats the purpose of doing a bus switch in the first
- * place.
+ * Try to read the response after issuie the DDC switch command. But it
+ * is noted that we must do the action of reading response and issuing DDC
+ * switch command in one I2C transaction. Otherwise when we try to start
+ * another I2C transaction after issuing the DDC bus switch, it will be
+ * switched to the internal SDVO register.
*/
static void intel_sdvo_set_control_bus_switch(struct intel_output *intel_output,
u8 target)
{
- intel_sdvo_write_cmd(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH, &target, 1);
+ struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
+ u8 out_buf[2], cmd_buf[2], ret_value[2], ret;
+ struct i2c_msg msgs[] = {
+ {
+ .addr = sdvo_priv->slave_addr >> 1,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ },
+ /* the following two are to read the response */
+ {
+ .addr = sdvo_priv->slave_addr >> 1,
+ .flags = 0,
+ .len = 1,
+ .buf = cmd_buf,
+ },
+ {
+ .addr = sdvo_priv->slave_addr >> 1,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = ret_value,
+ },
+ };
+
+ intel_sdvo_debug_write(intel_output, SDVO_CMD_SET_CONTROL_BUS_SWITCH,
+ &target, 1);
+ /* write the DDC switch command argument */
+ intel_sdvo_write_byte(intel_output, SDVO_I2C_ARG_0, target);
+
+ out_buf[0] = SDVO_I2C_OPCODE;
+ out_buf[1] = SDVO_CMD_SET_CONTROL_BUS_SWITCH;
+ cmd_buf[0] = SDVO_I2C_CMD_STATUS;
+ cmd_buf[1] = 0;
+ ret_value[0] = 0;
+ ret_value[1] = 0;
+
+ ret = i2c_transfer(intel_output->i2c_bus, msgs, 3);
+ if (ret != 3) {
+ /* failure in I2C transfer */
+ DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
+ return;
+ }
+ if (ret_value[0] != SDVO_CMD_STATUS_SUCCESS) {
+ DRM_DEBUG_KMS("DDC switch command returns response %d\n",
+ ret_value[0]);
+ return;
+ }
+ return;
}
static bool intel_sdvo_set_target_input(struct intel_output *intel_output, bool target_0, bool target_1)
@@ -1589,6 +1638,32 @@ intel_sdvo_hdmi_sink_detect(struct drm_connector *connector, u16 response)
edid = drm_get_edid(&intel_output->base,
intel_output->ddc_bus);
+ /* This is only applied to SDVO cards with multiple outputs */
+ if (edid == NULL && intel_sdvo_multifunc_encoder(intel_output)) {
+ uint8_t saved_ddc, temp_ddc;
+ saved_ddc = sdvo_priv->ddc_bus;
+ temp_ddc = sdvo_priv->ddc_bus >> 1;
+ /*
+ * Don't use the 1 as the argument of DDC bus switch to get
+ * the EDID. It is used for SDVO SPD ROM.
+ */
+ while(temp_ddc > 1) {
+ sdvo_priv->ddc_bus = temp_ddc;
+ edid = drm_get_edid(&intel_output->base,
+ intel_output->ddc_bus);
+ if (edid) {
+ /*
+ * When we can get the EDID, maybe it is the
+ * correct DDC bus. Update it.
+ */
+ sdvo_priv->ddc_bus = temp_ddc;
+ break;
+ }
+ temp_ddc >>= 1;
+ }
+ if (edid == NULL)
+ sdvo_priv->ddc_bus = saved_ddc;
+ }
/* when there is no edid and no monitor is connected with VGA
* port, try to use the CRT ddc to read the EDID for DVI-connector
*/
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 1a6cb3c..e869128 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -499,16 +499,15 @@ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
return 0;
}
- if (blk_stack_limits(limits, &q->limits, start << 9) < 0)
- DMWARN("%s: target device %s is misaligned: "
+ if (bdev_stack_limits(limits, bdev, start) < 0)
+ DMWARN("%s: adding target device %s caused an alignment inconsistency: "
"physical_block_size=%u, logical_block_size=%u, "
"alignment_offset=%u, start=%llu",
dm_device_name(ti->table->md), bdevname(bdev, b),
q->limits.physical_block_size,
q->limits.logical_block_size,
q->limits.alignment_offset,
- (unsigned long long) start << 9);
-
+ (unsigned long long) start << SECTOR_SHIFT);
/*
* Check if merge fn is supported.
@@ -1025,9 +1024,9 @@ combine_limits:
* for the table.
*/
if (blk_stack_limits(limits, &ti_limits, 0) < 0)
- DMWARN("%s: target device "
+ DMWARN("%s: adding target device "
"(start sect %llu len %llu) "
- "is misaligned",
+ "caused an alignment inconsistency",
dm_device_name(table->md),
(unsigned long long) ti->begin,
(unsigned long long) ti->len);
@@ -1079,15 +1078,6 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
struct queue_limits *limits)
{
/*
- * Each target device in the table has a data area that should normally
- * be aligned such that the DM device's alignment_offset is 0.
- * FIXME: Propagate alignment_offsets up the stack and warn of
- * sub-optimal or inconsistent settings.
- */
- limits->alignment_offset = 0;
- limits->misaligned = 0;
-
- /*
* Copy table's limits to the DM device's request_queue
*/
q->limits = *limits;
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c
index aa8f995..28b4625 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -705,7 +705,7 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
rc = spca504B_PollingDataReady(gspca_dev);
/* Init the cam width height with some values get on init ? */
- reg_w_riv(dev, 0x31, 0, 0x04);
+ reg_w_riv(dev, 0x31, 0x04, 0);
spca504B_WaitCmdStatus(gspca_dev);
rc = spca504B_PollingDataReady(gspca_dev);
break;
@@ -807,14 +807,14 @@ static void init_ctl_reg(struct gspca_dev *gspca_dev)
default:
/* case BRIDGE_SPCA533: */
/* case BRIDGE_SPCA504B: */
- reg_w_riv(dev, 0, 0x00, 0x21ad); /* hue */
- reg_w_riv(dev, 0, 0x01, 0x21ac); /* sat/hue */
- reg_w_riv(dev, 0, 0x00, 0x21a3); /* gamma */
+ reg_w_riv(dev, 0, 0x21ad, 0x00); /* hue */
+ reg_w_riv(dev, 0, 0x21ac, 0x01); /* sat/hue */
+ reg_w_riv(dev, 0, 0x21a3, 0x00); /* gamma */
break;
case BRIDGE_SPCA536:
- reg_w_riv(dev, 0, 0x40, 0x20f5);
- reg_w_riv(dev, 0, 0x01, 0x20f4);
- reg_w_riv(dev, 0, 0x00, 0x2089);
+ reg_w_riv(dev, 0, 0x20f5, 0x40);
+ reg_w_riv(dev, 0, 0x20f4, 0x01);
+ reg_w_riv(dev, 0, 0x2089, 0x00);
break;
}
if (pollreg)
@@ -888,11 +888,11 @@ static int sd_init(struct gspca_dev *gspca_dev)
switch (sd->bridge) {
case BRIDGE_SPCA504B:
reg_w_riv(dev, 0x1d, 0x00, 0);
- reg_w_riv(dev, 0, 0x01, 0x2306);
- reg_w_riv(dev, 0, 0x00, 0x0d04);
- reg_w_riv(dev, 0, 0x00, 0x2000);
- reg_w_riv(dev, 0, 0x13, 0x2301);
- reg_w_riv(dev, 0, 0x00, 0x2306);
+ reg_w_riv(dev, 0, 0x2306, 0x01);
+ reg_w_riv(dev, 0, 0x0d04, 0x00);
+ reg_w_riv(dev, 0, 0x2000, 0x00);
+ reg_w_riv(dev, 0, 0x2301, 0x13);
+ reg_w_riv(dev, 0, 0x2306, 0x00);
/* fall thru */
case BRIDGE_SPCA533:
spca504B_PollingDataReady(gspca_dev);
@@ -1011,7 +1011,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
spca504B_WaitCmdStatus(gspca_dev);
break;
default:
- reg_w_riv(dev, 0x31, 0, 0x04);
+ reg_w_riv(dev, 0x31, 0x04, 0);
spca504B_WaitCmdStatus(gspca_dev);
spca504B_PollingDataReady(gspca_dev);
break;
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c
index e9eae4a..1eac626 100644
--- a/drivers/misc/enclosure.c
+++ b/drivers/misc/enclosure.c
@@ -391,6 +391,7 @@ static const char *const enclosure_status [] = {
[ENCLOSURE_STATUS_NOT_INSTALLED] = "not installed",
[ENCLOSURE_STATUS_UNKNOWN] = "unknown",
[ENCLOSURE_STATUS_UNAVAILABLE] = "unavailable",
+ [ENCLOSURE_STATUS_MAX] = NULL,
};
static const char *const enclosure_type [] = {
diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c
index 0cce8a4..deac67e 100644
--- a/drivers/serial/8250_pnp.c
+++ b/drivers/serial/8250_pnp.c
@@ -328,15 +328,7 @@ static const struct pnp_device_id pnp_dev_table[] = {
/* U.S. Robotics 56K Voice INT PnP*/
{ "USR9190", 0 },
/* Wacom tablets */
- { "WACF004", 0 },
- { "WACF005", 0 },
- { "WACF006", 0 },
- { "WACF007", 0 },
- { "WACF008", 0 },
- { "WACF009", 0 },
- { "WACF00A", 0 },
- { "WACF00B", 0 },
- { "WACF00C", 0 },
+ { "WACFXXX", 0 },
/* Compaq touchscreen */
{ "FPI2002", 0 },
/* Fujitsu Stylistic touchscreens */
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index f4c2657..43c57b7 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -194,9 +194,11 @@ static ssize_t set_enabled(struct device *dev, struct device_attribute *attr,
{
struct usb_interface *intf = to_usb_interface(dev);
struct asus_oled_dev *odev = usb_get_intfdata(intf);
- int temp = strict_strtoul(buf, 10, NULL);
+ unsigned long value;
+ if (strict_strtoul(buf, 10, &value))
+ return -EINVAL;
- enable_oled(odev, temp);
+ enable_oled(odev, value);
return count;
}
@@ -207,10 +209,12 @@ static ssize_t class_set_enabled(struct device *device,
{
struct asus_oled_dev *odev =
(struct asus_oled_dev *) dev_get_drvdata(device);
+ unsigned long value;
- int temp = strict_strtoul(buf, 10, NULL);
+ if (strict_strtoul(buf, 10, &value))
+ return -EINVAL;
- enable_oled(odev, temp);
+ enable_oled(odev, value);
return count;
}
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c
index c5b6613..c2809f2 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -386,7 +386,7 @@ u16 HvSignalEvent(void)
* retrieve the initialized message and event pages. Otherwise, we create and
* initialize the message and event pages.
*/
-int HvSynicInit(u32 irqVector)
+void HvSynicInit(void *irqarg)
{
u64 version;
union hv_synic_simp simp;
@@ -394,13 +394,14 @@ int HvSynicInit(u32 irqVector)
union hv_synic_sint sharedSint;
union hv_synic_scontrol sctrl;
u64 guestID;
- int ret = 0;
+ u32 irqVector = *((u32 *)(irqarg));
+ int cpu = smp_processor_id();
DPRINT_ENTER(VMBUS);
if (!gHvContext.HypercallPage) {
DPRINT_EXIT(VMBUS);
- return ret;
+ return;
}
/* Check the version */
@@ -425,27 +426,27 @@ int HvSynicInit(u32 irqVector)
*/
rdmsrl(HV_X64_MSR_GUEST_OS_ID, guestID);
if (guestID == HV_LINUX_GUEST_ID) {
- gHvContext.synICMessagePage[0] =
+ gHvContext.synICMessagePage[cpu] =
phys_to_virt(simp.BaseSimpGpa << PAGE_SHIFT);
- gHvContext.synICEventPage[0] =
+ gHvContext.synICEventPage[cpu] =
phys_to_virt(siefp.BaseSiefpGpa << PAGE_SHIFT);
} else {
DPRINT_ERR(VMBUS, "unknown guest id!!");
goto Cleanup;
}
DPRINT_DBG(VMBUS, "MAPPED: Simp: %p, Sifep: %p",
- gHvContext.synICMessagePage[0],
- gHvContext.synICEventPage[0]);
+ gHvContext.synICMessagePage[cpu],
+ gHvContext.synICEventPage[cpu]);
} else {
- gHvContext.synICMessagePage[0] = osd_PageAlloc(1);
- if (gHvContext.synICMessagePage[0] == NULL) {
+ gHvContext.synICMessagePage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
+ if (gHvContext.synICMessagePage[cpu] == NULL) {
DPRINT_ERR(VMBUS,
"unable to allocate SYNIC message page!!");
goto Cleanup;
}
- gHvContext.synICEventPage[0] = osd_PageAlloc(1);
- if (gHvContext.synICEventPage[0] == NULL) {
+ gHvContext.synICEventPage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
+ if (gHvContext.synICEventPage[cpu] == NULL) {
DPRINT_ERR(VMBUS,
"unable to allocate SYNIC event page!!");
goto Cleanup;
@@ -454,7 +455,7 @@ int HvSynicInit(u32 irqVector)
/* Setup the Synic's message page */
rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
simp.SimpEnabled = 1;
- simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[0])
+ simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[cpu])
>> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx",
@@ -465,7 +466,7 @@ int HvSynicInit(u32 irqVector)
/* Setup the Synic's event page */
rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
siefp.SiefpEnabled = 1;
- siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[0])
+ siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[cpu])
>> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx",
@@ -501,32 +502,30 @@ int HvSynicInit(u32 irqVector)
DPRINT_EXIT(VMBUS);
- return ret;
+ return;
Cleanup:
- ret = -1;
-
if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {
- if (gHvContext.synICEventPage[0])
- osd_PageFree(gHvContext.synICEventPage[0], 1);
+ if (gHvContext.synICEventPage[cpu])
+ osd_PageFree(gHvContext.synICEventPage[cpu], 1);
- if (gHvContext.synICMessagePage[0])
- osd_PageFree(gHvContext.synICMessagePage[0], 1);
+ if (gHvContext.synICMessagePage[cpu])
+ osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
}
DPRINT_EXIT(VMBUS);
-
- return ret;
+ return;
}
/**
* HvSynicCleanup - Cleanup routine for HvSynicInit().
*/
-void HvSynicCleanup(void)
+void HvSynicCleanup(void *arg)
{
union hv_synic_sint sharedSint;
union hv_synic_simp simp;
union hv_synic_siefp siefp;
+ int cpu = smp_processor_id();
DPRINT_ENTER(VMBUS);
@@ -539,6 +538,7 @@ void HvSynicCleanup(void)
sharedSint.Masked = 1;
+ /* Need to correctly cleanup in the case of SMP!!! */
/* Disable the interrupt */
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
@@ -560,8 +560,8 @@ void HvSynicCleanup(void)
wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
- osd_PageFree(gHvContext.synICMessagePage[0], 1);
- osd_PageFree(gHvContext.synICEventPage[0], 1);
+ osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
+ osd_PageFree(gHvContext.synICEventPage[cpu], 1);
}
DPRINT_EXIT(VMBUS);
diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/Hv.h
index 5379e4b..fce4b5c 100644
--- a/drivers/staging/hv/Hv.h
+++ b/drivers/staging/hv/Hv.h
@@ -93,7 +93,7 @@ static const struct hv_guid VMBUS_SERVICE_ID = {
},
};
-#define MAX_NUM_CPUS 1
+#define MAX_NUM_CPUS 32
struct hv_input_signal_event_buffer {
@@ -137,8 +137,8 @@ extern u16 HvPostMessage(union hv_connection_id connectionId,
extern u16 HvSignalEvent(void);
-extern int HvSynicInit(u32 irqVector);
+extern void HvSynicInit(void *irqarg);
-extern void HvSynicCleanup(void);
+extern void HvSynicCleanup(void *arg);
#endif /* __HV_H__ */
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c
index a4dd06f..35a023e 100644
--- a/drivers/staging/hv/Vmbus.c
+++ b/drivers/staging/hv/Vmbus.c
@@ -129,7 +129,7 @@ static int VmbusOnDeviceAdd(struct hv_device *dev, void *AdditionalInfo)
/* strcpy(dev->name, "vmbus"); */
/* SynIC setup... */
- ret = HvSynicInit(*irqvector);
+ on_each_cpu(HvSynicInit, (void *)irqvector, 1);
/* Connect to VMBus in the root partition */
ret = VmbusConnect();
@@ -150,7 +150,7 @@ static int VmbusOnDeviceRemove(struct hv_device *dev)
DPRINT_ENTER(VMBUS);
VmbusChannelReleaseUnattachedChannels();
VmbusDisconnect();
- HvSynicCleanup();
+ on_each_cpu(HvSynicCleanup, NULL, 1);
DPRINT_EXIT(VMBUS);
return ret;
@@ -173,7 +173,8 @@ static void VmbusOnCleanup(struct hv_driver *drv)
*/
static void VmbusOnMsgDPC(struct hv_driver *drv)
{
- void *page_addr = gHvContext.synICMessagePage[0];
+ int cpu = smp_processor_id();
+ void *page_addr = gHvContext.synICMessagePage[cpu];
struct hv_message *msg = (struct hv_message *)page_addr +
VMBUS_MESSAGE_SINT;
struct hv_message *copied;
@@ -230,11 +231,12 @@ static void VmbusOnEventDPC(struct hv_driver *drv)
static int VmbusOnISR(struct hv_driver *drv)
{
int ret = 0;
+ int cpu = smp_processor_id();
void *page_addr;
struct hv_message *msg;
union hv_synic_event_flags *event;
- page_addr = gHvContext.synICMessagePage[0];
+ page_addr = gHvContext.synICMessagePage[cpu];
msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT;
DPRINT_ENTER(VMBUS);
@@ -248,7 +250,7 @@ static int VmbusOnISR(struct hv_driver *drv)
}
/* TODO: Check if there are events to be process */
- page_addr = gHvContext.synICEventPage[0];
+ page_addr = gHvContext.synICEventPage[cpu];
event = (union hv_synic_event_flags *)page_addr + VMBUS_MESSAGE_SINT;
/* Since we are a child, we only need to check bit 0 */
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 96f1171..355dffc 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -494,7 +494,7 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
return 0;
/* allocate 2^1 pages = 8K (on i386);
* should be more than enough for one device */
- pages_start = (char *)__get_free_pages(GFP_KERNEL, 1);
+ pages_start = (char *)__get_free_pages(GFP_NOIO, 1);
if (!pages_start)
return -ENOMEM;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8b0c235..1a7d54b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3286,6 +3286,9 @@ static void hub_events(void)
USB_PORT_FEAT_C_SUSPEND);
udev = hdev->children[i-1];
if (udev) {
+ /* TRSMRCY = 10 msec */
+ msleep(10);
+
usb_lock_device(udev);
ret = remote_wakeup(hdev->
children[i-1]);
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index da718e8..980a8d2 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -911,11 +911,11 @@ char *usb_cache_string(struct usb_device *udev, int index)
if (index <= 0)
return NULL;
- buf = kmalloc(MAX_USB_STRING_SIZE, GFP_KERNEL);
+ buf = kmalloc(MAX_USB_STRING_SIZE, GFP_NOIO);
if (buf) {
len = usb_string(udev, index, buf, MAX_USB_STRING_SIZE);
if (len > 0) {
- smallbuf = kmalloc(++len, GFP_KERNEL);
+ smallbuf = kmalloc(++len, GFP_NOIO);
if (!smallbuf)
return buf;
memcpy(smallbuf, buf, len);
@@ -1682,7 +1682,7 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
if (cp) {
nintf = cp->desc.bNumInterfaces;
new_interfaces = kmalloc(nintf * sizeof(*new_interfaces),
- GFP_KERNEL);
+ GFP_NOIO);
if (!new_interfaces) {
dev_err(&dev->dev, "Out of memory\n");
return -ENOMEM;
@@ -1691,7 +1691,7 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
for (; n < nintf; ++n) {
new_interfaces[n] = kzalloc(
sizeof(struct usb_interface),
- GFP_KERNEL);
+ GFP_NOIO);
if (!new_interfaces[n]) {
dev_err(&dev->dev, "Out of memory\n");
ret = -ENOMEM;
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 8752e55..fcdcad4 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -115,6 +115,12 @@ show_speed(struct device *dev, struct device_attribute *attr, char *buf)
case USB_SPEED_HIGH:
speed = "480";
break;
+ case USB_SPEED_VARIABLE:
+ speed = "480";
+ break;
+ case USB_SPEED_SUPER:
+ speed = "5000";
+ break;
default:
speed = "unknown";
}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index f5f5601..e18c677 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -785,9 +785,10 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
/* start 20 msec resume signaling from this port,
* and make khubd collect PORT_STAT_C_SUSPEND to
- * stop that signaling.
+ * stop that signaling. Use 5 ms extra for safety,
+ * like usb_port_resume() does.
*/
- ehci->reset_done [i] = jiffies + msecs_to_jiffies (20);
+ ehci->reset_done[i] = jiffies + msecs_to_jiffies(25);
ehci_dbg (ehci, "port %d remote wakeup\n", i + 1);
mod_timer(&hcd->rh_timer, ehci->reset_done[i]);
}
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 1b6f1c0..698f461 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -120,9 +120,26 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
del_timer_sync(&ehci->watchdog);
del_timer_sync(&ehci->iaa_watchdog);
- port = HCS_N_PORTS (ehci->hcs_params);
spin_lock_irq (&ehci->lock);
+ /* Once the controller is stopped, port resumes that are already
+ * in progress won't complete. Hence if remote wakeup is enabled
+ * for the root hub and any ports are in the middle of a resume or
+ * remote wakeup, we must fail the suspend.
+ */
+ if (hcd->self.root_hub->do_remote_wakeup) {
+ port = HCS_N_PORTS(ehci->hcs_params);
+ while (port--) {
+ if (ehci->reset_done[port] != 0) {
+ spin_unlock_irq(&ehci->lock);
+ ehci_dbg(ehci, "suspend failed because "
+ "port %d is resuming\n",
+ port + 1);
+ return -EBUSY;
+ }
+ }
+ }
+
/* stop schedules, clean any completed work */
if (HC_IS_RUNNING(hcd->state)) {
ehci_quiesce (ehci);
@@ -138,6 +155,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
*/
ehci->bus_suspended = 0;
ehci->owned_ports = 0;
+ port = HCS_N_PORTS(ehci->hcs_params);
while (port--) {
u32 __iomem *reg = &ehci->regs->port_status [port];
u32 t1 = ehci_readl(ehci, reg) & ~PORT_RWC_BITS;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 139a2cc..c0d4b39 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -827,9 +827,10 @@ qh_make (
* But interval 1 scheduling is simpler, and
* includes high bandwidth.
*/
- dbg ("intr period %d uframes, NYET!",
- urb->interval);
- goto done;
+ urb->interval = 1;
+ } else if (qh->period > ehci->periodic_size) {
+ qh->period = ehci->periodic_size;
+ urb->interval = qh->period << 3;
}
} else {
int think_time;
@@ -852,6 +853,10 @@ qh_make (
usb_calc_bus_time (urb->dev->speed,
is_input, 0, max_packet (maxp)));
qh->period = urb->interval;
+ if (qh->period > ehci->periodic_size) {
+ qh->period = ehci->periodic_size;
+ urb->interval = qh->period;
+ }
}
}
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 5cd0e48..99cd00f 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -749,7 +749,20 @@ static int uhci_rh_suspend(struct usb_hcd *hcd)
spin_lock_irq(&uhci->lock);
if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
rc = -ESHUTDOWN;
- else if (!uhci->dead)
+ else if (uhci->dead)
+ ; /* Dead controllers tell no tales */
+
+ /* Once the controller is stopped, port resumes that are already
+ * in progress won't complete. Hence if remote wakeup is enabled
+ * for the root hub and any ports are in the middle of a resume or
+ * remote wakeup, we must fail the suspend.
+ */
+ else if (hcd->self.root_hub->do_remote_wakeup &&
+ uhci->resuming_ports) {
+ dev_dbg(uhci_dev(uhci), "suspend failed because a port "
+ "is resuming\n");
+ rc = -EBUSY;
+ } else
suspend_rh(uhci, UHCI_RH_SUSPENDED);
spin_unlock_irq(&uhci->lock);
return rc;
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
index 885b585..8270055 100644
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -167,7 +167,7 @@ static void uhci_check_ports(struct uhci_hcd *uhci)
/* Port received a wakeup request */
set_bit(port, &uhci->resuming_ports);
uhci->ports_timeout = jiffies +
- msecs_to_jiffies(20);
+ msecs_to_jiffies(25);
/* Make sure we see the port again
* after the resuming period is over. */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index bbe005c..e0fb294 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -489,6 +489,8 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
dbg("%s - port %d", __func__, port->number);
if (port->serial->type->max_in_flight_urbs) {
+ kfree(urb->transfer_buffer);
+
spin_lock_irqsave(&port->lock, flags);
--port->urbs_in_flight;
port->tx_bytes_flight -= urb->transfer_buffer_length;
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 64a0a2c..c932f90 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1807,13 +1807,6 @@ UNUSUAL_DEV( 0x2735, 0x100b, 0x0000, 0x9999,
US_SC_DEVICE, US_PR_DEVICE, NULL,
US_FL_GO_SLOW ),
-/* Reported by Rohan Hart <rohan.hart17@...il.com> */
-UNUSUAL_DEV( 0x2770, 0x915d, 0x0010, 0x0010,
- "INTOVA",
- "Pixtreme",
- US_SC_DEVICE, US_PR_DEVICE, NULL,
- US_FL_FIX_CAPACITY ),
-
/* Reported by Frederic Marchal <frederic.marchal@...company.com>
* Mio Moov 330
*/
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 716c8d7..33197fa 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -430,7 +430,8 @@ static void adjust_quirks(struct us_data *us)
u16 vid = le16_to_cpu(us->pusb_dev->descriptor.idVendor);
u16 pid = le16_to_cpu(us->pusb_dev->descriptor.idProduct);
unsigned f = 0;
- unsigned int mask = (US_FL_SANE_SENSE | US_FL_FIX_CAPACITY |
+ unsigned int mask = (US_FL_SANE_SENSE | US_FL_BAD_SENSE |
+ US_FL_FIX_CAPACITY |
US_FL_CAPACITY_HEURISTICS | US_FL_IGNORE_DEVICE |
US_FL_NOT_LOCKABLE | US_FL_MAX_SECTORS_64 |
US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE |
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index fbb6e5e..7cb0a59 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1748,7 +1748,7 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
char *cipher_name, size_t *key_size)
{
char dummy_key[ECRYPTFS_MAX_KEY_BYTES];
- char *full_alg_name;
+ char *full_alg_name = NULL;
int rc;
*key_tfm = NULL;
@@ -1763,7 +1763,6 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
if (rc)
goto out;
*key_tfm = crypto_alloc_blkcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);
- kfree(full_alg_name);
if (IS_ERR(*key_tfm)) {
rc = PTR_ERR(*key_tfm);
printk(KERN_ERR "Unable to allocate crypto cipher with name "
@@ -1786,6 +1785,7 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
goto out;
}
out:
+ kfree(full_alg_name);
return rc;
}
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 9e94405..1744f17 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -191,13 +191,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
| ECRYPTFS_ENCRYPTED);
}
mutex_unlock(&crypt_stat->cs_mutex);
- if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
- && !(file->f_flags & O_RDONLY)) {
- rc = -EPERM;
- printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
- "file must hence be opened RO\n", __func__);
- goto out;
- }
if (!ecryptfs_inode_to_private(inode)->lower_file) {
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
if (rc) {
@@ -208,6 +201,13 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
goto out;
}
}
+ if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
+ && !(file->f_flags & O_RDONLY)) {
+ rc = -EPERM;
+ printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
+ "file must hence be opened RO\n", __func__);
+ goto out;
+ }
ecryptfs_set_file_lower(
file, ecryptfs_inode_to_private(inode)->lower_file);
if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index adf99c6..912b8ff 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -942,6 +942,8 @@ extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_default_limits(struct queue_limits *lim);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
sector_t offset);
+extern int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev,
+ sector_t offset);
extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 90d1c21..9a33c5f 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -42,6 +42,8 @@ enum enclosure_status {
ENCLOSURE_STATUS_NOT_INSTALLED,
ENCLOSURE_STATUS_UNKNOWN,
ENCLOSURE_STATUS_UNAVAILABLE,
+ /* last element for counting purposes */
+ ENCLOSURE_STATUS_MAX
};
/* SFF-8485 activity light settings */
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 6eee915..413d101 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -1359,6 +1359,9 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx)
if (event->state != PERF_EVENT_STATE_ACTIVE)
continue;
+ if (event->cpu != -1 && event->cpu != smp_processor_id())
+ continue;
+
hwc = &event->hw;
interrupts = hwc->interrupts;
@@ -3226,6 +3229,12 @@ static void perf_event_task_output(struct perf_event *event,
static int perf_event_task_match(struct perf_event *event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
+ if (event->cpu != -1 && event->cpu != smp_processor_id())
+ return 0;
+
if (event->attr.comm || event->attr.mmap || event->attr.task)
return 1;
@@ -3255,13 +3264,13 @@ static void perf_event_task_event(struct perf_task_event *task_event)
cpuctx = &get_cpu_var(perf_cpu_context);
perf_event_task_ctx(&cpuctx->ctx, task_event);
- put_cpu_var(perf_cpu_context);
rcu_read_lock();
if (!ctx)
ctx = rcu_dereference(task_event->task->perf_event_ctxp);
if (ctx)
perf_event_task_ctx(ctx, task_event);
+ put_cpu_var(perf_cpu_context);
rcu_read_unlock();
}
@@ -3338,6 +3347,12 @@ static void perf_event_comm_output(struct perf_event *event,
static int perf_event_comm_match(struct perf_event *event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
+ if (event->cpu != -1 && event->cpu != smp_processor_id())
+ return 0;
+
if (event->attr.comm)
return 1;
@@ -3378,7 +3393,6 @@ static void perf_event_comm_event(struct perf_comm_event *comm_event)
cpuctx = &get_cpu_var(perf_cpu_context);
perf_event_comm_ctx(&cpuctx->ctx, comm_event);
- put_cpu_var(perf_cpu_context);
rcu_read_lock();
/*
@@ -3388,6 +3402,7 @@ static void perf_event_comm_event(struct perf_comm_event *comm_event)
ctx = rcu_dereference(current->perf_event_ctxp);
if (ctx)
perf_event_comm_ctx(ctx, comm_event);
+ put_cpu_var(perf_cpu_context);
rcu_read_unlock();
}
@@ -3462,6 +3477,12 @@ static void perf_event_mmap_output(struct perf_event *event,
static int perf_event_mmap_match(struct perf_event *event,
struct perf_mmap_event *mmap_event)
{
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
+ return 0;
+
+ if (event->cpu != -1 && event->cpu != smp_processor_id())
+ return 0;
+
if (event->attr.mmap)
return 1;
@@ -3539,7 +3560,6 @@ got_name:
cpuctx = &get_cpu_var(perf_cpu_context);
perf_event_mmap_ctx(&cpuctx->ctx, mmap_event);
- put_cpu_var(perf_cpu_context);
rcu_read_lock();
/*
@@ -3549,6 +3569,7 @@ got_name:
ctx = rcu_dereference(current->perf_event_ctxp);
if (ctx)
perf_event_mmap_ctx(ctx, mmap_event);
+ put_cpu_var(perf_cpu_context);
rcu_read_unlock();
kfree(buf);
@@ -3811,6 +3832,9 @@ static int perf_swevent_match(struct perf_event *event,
enum perf_type_id type,
u32 event_id, struct pt_regs *regs)
{
+ if (event->cpu != -1 && event->cpu != smp_processor_id())
+ return 0;
+
if (!perf_swevent_is_counting(event))
return 0;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 7758726..a3a99d3 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -555,10 +555,8 @@ static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end,
}
rcu_read_unlock();
- if (nr) {
- BUG_ON(nr > atomic_read(&vmap_lazy_nr));
+ if (nr)
atomic_sub(nr, &vmap_lazy_nr);
- }
if (nr || force_flush)
flush_tlb_kernel_range(*start, *end);
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index e8a510d..4101afe 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -275,7 +275,7 @@ static u64 cpus_pstate_state[MAX_CPUS];
static int
process_comm_event(event_t *event)
{
- pid_set_comm(event->comm.pid, event->comm.comm);
+ pid_set_comm(event->comm.tid, event->comm.comm);
return 0;
}
static int
--
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