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Message-ID: <20110307231602.GB31536@kroah.com>
Date: Mon, 7 Mar 2011 15:16:02 -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 2.6.37.3
diff --git a/Documentation/networking/dns_resolver.txt b/Documentation/networking/dns_resolver.txt
index aefd1e6..04ca0632 100644
--- a/Documentation/networking/dns_resolver.txt
+++ b/Documentation/networking/dns_resolver.txt
@@ -61,7 +61,6 @@ before the more general line given above as the first match is the one taken.
create dns_resolver foo:* * /usr/sbin/dns.foo %k
-
=====
USAGE
=====
@@ -104,6 +103,14 @@ implemented in the module can be called after doing:
returned also.
+===============================
+READING DNS KEYS FROM USERSPACE
+===============================
+
+Keys of dns_resolver type can be read from userspace using keyctl_read() or
+"keyctl read/print/pipe".
+
+
=========
MECHANISM
=========
diff --git a/Makefile b/Makefile
index b3cdfa5..f2cce0a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 37
-EXTRAVERSION = .2
+EXTRAVERSION = .3
NAME = Flesh-Eating Bats with Fangs
# *DOCUMENTATION*
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 55d106b..f90c732 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -88,6 +88,7 @@ extern int acpi_disabled;
extern int acpi_pci_disabled;
extern int acpi_skip_timer_override;
extern int acpi_use_timer_override;
+extern int acpi_fix_pin2_polarity;
extern u8 acpi_sci_flags;
extern int acpi_sci_override_gsi;
diff --git a/arch/x86/include/asm/smpboot_hooks.h b/arch/x86/include/asm/smpboot_hooks.h
index 1def601..cfdc6c8 100644
--- a/arch/x86/include/asm/smpboot_hooks.h
+++ b/arch/x86/include/asm/smpboot_hooks.h
@@ -34,7 +34,7 @@ static inline void smpboot_restore_warm_reset_vector(void)
*/
CMOS_WRITE(0, 0xf);
- *((volatile long *)phys_to_virt(apic->trampoline_phys_low)) = 0;
+ *((volatile u32 *)phys_to_virt(apic->trampoline_phys_low)) = 0;
}
static inline void __init smpboot_setup_io_apic(void)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 71232b9..80cc938 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -72,6 +72,7 @@ u8 acpi_sci_flags __initdata;
int acpi_sci_override_gsi __initdata;
int acpi_skip_timer_override __initdata;
int acpi_use_timer_override __initdata;
+int acpi_fix_pin2_polarity __initdata;
#ifdef CONFIG_X86_LOCAL_APIC
static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
@@ -410,10 +411,15 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
return 0;
}
- if (acpi_skip_timer_override &&
- intsrc->source_irq == 0 && intsrc->global_irq == 2) {
- printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
- return 0;
+ if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
+ if (acpi_skip_timer_override) {
+ printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
+ return 0;
+ }
+ if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+ intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
+ printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
+ }
}
mp_override_legacy_irq(intsrc->source_irq,
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 76b8cd9..9efbdcc 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -143,15 +143,10 @@ static void __init ati_bugs(int num, int slot, int func)
static u32 __init ati_sbx00_rev(int num, int slot, int func)
{
- u32 old, d;
+ u32 d;
- d = read_pci_config(num, slot, func, 0x70);
- old = d;
- d &= ~(1<<8);
- write_pci_config(num, slot, func, 0x70, d);
d = read_pci_config(num, slot, func, 0x8);
d &= 0xff;
- write_pci_config(num, slot, func, 0x70, old);
return d;
}
@@ -160,13 +155,16 @@ static void __init ati_bugs_contd(int num, int slot, int func)
{
u32 d, rev;
- if (acpi_use_timer_override)
- return;
-
rev = ati_sbx00_rev(num, slot, func);
+ if (rev >= 0x40)
+ acpi_fix_pin2_polarity = 1;
+
if (rev > 0x13)
return;
+ if (acpi_use_timer_override)
+ return;
+
/* check for IRQ0 interrupt swap */
d = read_pci_config(num, slot, func, 0x64);
if (!(d & (1<<14)))
diff --git a/block/blk-core.c b/block/blk-core.c
index 8767520..bb1e6fd 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -352,7 +352,7 @@ void blk_start_queue(struct request_queue *q)
WARN_ON(!irqs_disabled());
queue_flag_clear(QUEUE_FLAG_STOPPED, q);
- __blk_run_queue(q);
+ __blk_run_queue(q, false);
}
EXPORT_SYMBOL(blk_start_queue);
@@ -403,13 +403,14 @@ EXPORT_SYMBOL(blk_sync_queue);
/**
* __blk_run_queue - run a single device queue
* @q: The queue to run
+ * @force_kblockd: Don't run @q->request_fn directly. Use kblockd.
*
* Description:
* See @blk_run_queue. This variant must be called with the queue lock
* held and interrupts disabled.
*
*/
-void __blk_run_queue(struct request_queue *q)
+void __blk_run_queue(struct request_queue *q, bool force_kblockd)
{
blk_remove_plug(q);
@@ -423,7 +424,7 @@ void __blk_run_queue(struct request_queue *q)
* Only recurse once to avoid overrunning the stack, let the unplug
* handling reinvoke the handler shortly if we already got there.
*/
- if (!queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) {
+ if (!force_kblockd && !queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) {
q->request_fn(q);
queue_flag_clear(QUEUE_FLAG_REENTER, q);
} else {
@@ -446,7 +447,7 @@ void blk_run_queue(struct request_queue *q)
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
- __blk_run_queue(q);
+ __blk_run_queue(q, false);
spin_unlock_irqrestore(q->queue_lock, flags);
}
EXPORT_SYMBOL(blk_run_queue);
@@ -1053,7 +1054,7 @@ void blk_insert_request(struct request_queue *q, struct request *rq,
drive_stat_acct(rq, 1);
__elv_add_request(q, rq, where, 0);
- __blk_run_queue(q);
+ __blk_run_queue(q, false);
spin_unlock_irqrestore(q->queue_lock, flags);
}
EXPORT_SYMBOL(blk_insert_request);
@@ -2610,13 +2611,6 @@ int kblockd_schedule_work(struct request_queue *q, struct work_struct *work)
}
EXPORT_SYMBOL(kblockd_schedule_work);
-int kblockd_schedule_delayed_work(struct request_queue *q,
- struct delayed_work *dwork, unsigned long delay)
-{
- return queue_delayed_work(kblockd_workqueue, dwork, delay);
-}
-EXPORT_SYMBOL(kblockd_schedule_delayed_work);
-
int __init blk_dev_init(void)
{
BUILD_BUG_ON(__REQ_NR_BITS > 8 *
diff --git a/block/blk-flush.c b/block/blk-flush.c
index 54b123d..b27d020 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -66,10 +66,12 @@ static void blk_flush_complete_seq_end_io(struct request_queue *q,
/*
* Moving a request silently to empty queue_head may stall the
- * queue. Kick the queue in those cases.
+ * queue. Kick the queue in those cases. This function is called
+ * from request completion path and calling directly into
+ * request_fn may confuse the driver. Always use kblockd.
*/
if (was_empty && next_rq)
- __blk_run_queue(q);
+ __blk_run_queue(q, true);
}
static void pre_flush_end_io(struct request *rq, int error)
@@ -130,7 +132,7 @@ static struct request *queue_next_fseq(struct request_queue *q)
BUG();
}
- elv_insert(q, rq, ELEVATOR_INSERT_FRONT);
+ elv_insert(q, rq, ELEVATOR_INSERT_REQUEUE);
return rq;
}
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 381b09b..b93ffbc 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -20,6 +20,11 @@ static int throtl_quantum = 32;
/* Throttling is performed over 100ms slice and after that slice is renewed */
static unsigned long throtl_slice = HZ/10; /* 100 ms */
+/* A workqueue to queue throttle related work */
+static struct workqueue_struct *kthrotld_workqueue;
+static void throtl_schedule_delayed_work(struct throtl_data *td,
+ unsigned long delay);
+
struct throtl_rb_root {
struct rb_root rb;
struct rb_node *left;
@@ -337,10 +342,9 @@ static void throtl_schedule_next_dispatch(struct throtl_data *td)
update_min_dispatch_time(st);
if (time_before_eq(st->min_disptime, jiffies))
- throtl_schedule_delayed_work(td->queue, 0);
+ throtl_schedule_delayed_work(td, 0);
else
- throtl_schedule_delayed_work(td->queue,
- (st->min_disptime - jiffies));
+ throtl_schedule_delayed_work(td, (st->min_disptime - jiffies));
}
static inline void
@@ -807,10 +811,10 @@ void blk_throtl_work(struct work_struct *work)
}
/* Call with queue lock held */
-void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay)
+static void
+throtl_schedule_delayed_work(struct throtl_data *td, unsigned long delay)
{
- struct throtl_data *td = q->td;
struct delayed_work *dwork = &td->throtl_work;
if (total_nr_queued(td) > 0) {
@@ -819,12 +823,11 @@ void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay)
* Cancel that and schedule a new one.
*/
__cancel_delayed_work(dwork);
- kblockd_schedule_delayed_work(q, dwork, delay);
+ queue_delayed_work(kthrotld_workqueue, dwork, delay);
throtl_log(td, "schedule work. delay=%lu jiffies=%lu",
delay, jiffies);
}
}
-EXPORT_SYMBOL(throtl_schedule_delayed_work);
static void
throtl_destroy_tg(struct throtl_data *td, struct throtl_grp *tg)
@@ -912,7 +915,7 @@ static void throtl_update_blkio_group_read_bps(void *key,
smp_mb__after_atomic_inc();
/* Schedule a work now to process the limit change */
- throtl_schedule_delayed_work(td->queue, 0);
+ throtl_schedule_delayed_work(td, 0);
}
static void throtl_update_blkio_group_write_bps(void *key,
@@ -926,7 +929,7 @@ static void throtl_update_blkio_group_write_bps(void *key,
smp_mb__before_atomic_inc();
atomic_inc(&td->limits_changed);
smp_mb__after_atomic_inc();
- throtl_schedule_delayed_work(td->queue, 0);
+ throtl_schedule_delayed_work(td, 0);
}
static void throtl_update_blkio_group_read_iops(void *key,
@@ -940,7 +943,7 @@ static void throtl_update_blkio_group_read_iops(void *key,
smp_mb__before_atomic_inc();
atomic_inc(&td->limits_changed);
smp_mb__after_atomic_inc();
- throtl_schedule_delayed_work(td->queue, 0);
+ throtl_schedule_delayed_work(td, 0);
}
static void throtl_update_blkio_group_write_iops(void *key,
@@ -954,7 +957,7 @@ static void throtl_update_blkio_group_write_iops(void *key,
smp_mb__before_atomic_inc();
atomic_inc(&td->limits_changed);
smp_mb__after_atomic_inc();
- throtl_schedule_delayed_work(td->queue, 0);
+ throtl_schedule_delayed_work(td, 0);
}
void throtl_shutdown_timer_wq(struct request_queue *q)
@@ -1127,6 +1130,10 @@ void blk_throtl_exit(struct request_queue *q)
static int __init throtl_init(void)
{
+ kthrotld_workqueue = alloc_workqueue("kthrotld", WQ_MEM_RECLAIM, 0);
+ if (!kthrotld_workqueue)
+ panic("Failed to create kthrotld\n");
+
blkio_policy_register(&blkio_policy_throtl);
return 0;
}
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 6f2a966..b1e42f9 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3335,7 +3335,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
cfqd->busy_queues > 1) {
cfq_del_timer(cfqd, cfqq);
cfq_clear_cfqq_wait_request(cfqq);
- __blk_run_queue(cfqd->queue);
+ __blk_run_queue(cfqd->queue, false);
} else {
cfq_blkiocg_update_idle_time_stats(
&cfqq->cfqg->blkg);
@@ -3350,7 +3350,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
* this new queue is RT and the current one is BE
*/
cfq_preempt_queue(cfqd, cfqq);
- __blk_run_queue(cfqd->queue);
+ __blk_run_queue(cfqd->queue, false);
}
}
@@ -3711,7 +3711,7 @@ static void cfq_kick_queue(struct work_struct *work)
struct request_queue *q = cfqd->queue;
spin_lock_irq(q->queue_lock);
- __blk_run_queue(cfqd->queue);
+ __blk_run_queue(cfqd->queue, false);
spin_unlock_irq(q->queue_lock);
}
diff --git a/block/elevator.c b/block/elevator.c
index 2569512..236e93c 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -602,7 +602,7 @@ void elv_quiesce_start(struct request_queue *q)
*/
elv_drain_elevator(q);
while (q->rq.elvpriv) {
- __blk_run_queue(q);
+ __blk_run_queue(q, false);
spin_unlock_irq(q->queue_lock);
msleep(10);
spin_lock_irq(q->queue_lock);
@@ -651,7 +651,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where)
* with anything. There's no point in delaying queue
* processing.
*/
- __blk_run_queue(q);
+ __blk_run_queue(q, false);
break;
case ELEVATOR_INSERT_SORT:
diff --git a/block/genhd.c b/block/genhd.c
index 0c55eae..fc5781e 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1285,7 +1285,7 @@ int invalidate_partition(struct gendisk *disk, int partno)
struct block_device *bdev = bdget_disk(disk, partno);
if (bdev) {
fsync_bdev(bdev);
- res = __invalidate_device(bdev);
+ res = __invalidate_device(bdev, true);
bdput(bdev);
}
return res;
diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
index 5df67f1..384f7ab 100644
--- a/drivers/acpi/debugfs.c
+++ b/drivers/acpi/debugfs.c
@@ -26,7 +26,9 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
size_t count, loff_t *ppos)
{
static char *buf;
- static int uncopied_bytes;
+ static u32 max_size;
+ static u32 uncopied_bytes;
+
struct acpi_table_header table;
acpi_status status;
@@ -37,19 +39,24 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
if (copy_from_user(&table, user_buf,
sizeof(struct acpi_table_header)))
return -EFAULT;
- uncopied_bytes = table.length;
- buf = kzalloc(uncopied_bytes, GFP_KERNEL);
+ uncopied_bytes = max_size = table.length;
+ buf = kzalloc(max_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
}
- if (uncopied_bytes < count) {
- kfree(buf);
+ if (buf == NULL)
+ return -EINVAL;
+
+ if ((*ppos > max_size) ||
+ (*ppos + count > max_size) ||
+ (*ppos + count < count) ||
+ (count > uncopied_bytes))
return -EINVAL;
- }
if (copy_from_user(buf + (*ppos), user_buf, count)) {
kfree(buf);
+ buf = NULL;
return -EFAULT;
}
@@ -59,6 +66,7 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf,
if (!uncopied_bytes) {
status = acpi_install_method(buf);
kfree(buf);
+ buf = NULL;
if (ACPI_FAILURE(status))
return -EINVAL;
add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3951020..59294dc 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3276,7 +3276,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g,
struct block_device *bdev = opened_bdev[cnt];
if (!bdev || ITYPE(drive_state[cnt].fd_device) != type)
continue;
- __invalidate_device(bdev);
+ __invalidate_device(bdev, true);
}
mutex_unlock(&open_lock);
} else {
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 7ea0bea..1c76384 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -78,7 +78,6 @@
#include <asm/uaccess.h>
-static DEFINE_MUTEX(loop_mutex);
static LIST_HEAD(loop_devices);
static DEFINE_MUTEX(loop_devices_mutex);
@@ -1505,11 +1504,9 @@ static int lo_open(struct block_device *bdev, fmode_t mode)
{
struct loop_device *lo = bdev->bd_disk->private_data;
- mutex_lock(&loop_mutex);
mutex_lock(&lo->lo_ctl_mutex);
lo->lo_refcnt++;
mutex_unlock(&lo->lo_ctl_mutex);
- mutex_unlock(&loop_mutex);
return 0;
}
@@ -1519,7 +1516,6 @@ static int lo_release(struct gendisk *disk, fmode_t mode)
struct loop_device *lo = disk->private_data;
int err;
- mutex_lock(&loop_mutex);
mutex_lock(&lo->lo_ctl_mutex);
if (--lo->lo_refcnt)
@@ -1544,7 +1540,6 @@ static int lo_release(struct gendisk *disk, fmode_t mode)
out:
mutex_unlock(&lo->lo_ctl_mutex);
out_unlocked:
- mutex_unlock(&loop_mutex);
return 0;
}
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 949ed09..a096f9f 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -39,6 +39,11 @@ static struct usb_device_id ath3k_table[] = {
/* Atheros AR3011 with sflash firmware*/
{ USB_DEVICE(0x0CF3, 0x3002) },
+ /* Atheros AR9285 Malbec with sflash firmware */
+ { USB_DEVICE(0x03F0, 0x311D) },
+
+ /* Atheros AR5BBU12 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xE02C) },
{ } /* Terminating entry */
};
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1da773f..700a384 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,12 @@ static struct usb_device_id blacklist_table[] = {
/* Atheros 3011 with sflash firmware */
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
+ /* Atheros AR9285 Malbec with sflash firmware */
+ { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+
+ /* Atheros AR5BBU12 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
+
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -826,7 +832,7 @@ static void btusb_work(struct work_struct *work)
if (hdev->conn_hash.sco_num > 0) {
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
- err = usb_autopm_get_interface(data->isoc);
+ err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
if (err < 0) {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -855,7 +861,7 @@ static void btusb_work(struct work_struct *work)
__set_isoc_interface(hdev, 0);
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
- usb_autopm_put_interface(data->isoc);
+ usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
}
}
@@ -1038,8 +1044,6 @@ static int btusb_probe(struct usb_interface *intf,
usb_set_intfdata(intf, data);
- usb_enable_autosuspend(interface_to_usbdev(intf));
-
return 0;
}
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 16d5155..d198884 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -549,7 +549,8 @@ int drm_modeset_ctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_modeset_ctl *modeset = data;
- int crtc, ret = 0;
+ int ret = 0;
+ unsigned int crtc;
/* If drm_vblank_init() hasn't been called yet, just no-op */
if (!dev->num_crtcs)
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 4916c10..2f2b09d 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1943,6 +1943,17 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (IS_GEN2(dev))
dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+ /* 965GM sometimes incorrectly writes to hardware status page (HWS)
+ * using 32bit addressing, overwriting memory if HWS is located
+ * above 4GB.
+ *
+ * The documentation also mentions an issue with undefined
+ * behaviour if any general state is accessed within a page above 4GB,
+ * which also needs to be handled carefully.
+ */
+ if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
+ dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
dev_priv->regs = ioremap(base, size);
if (!dev_priv->regs) {
DRM_ERROR("failed to map registers\n");
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index c7d1fca..7e1b648 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -639,7 +639,7 @@ void radeon_compute_pll_legacy(struct radeon_pll *pll,
max_fractional_feed_div = pll->max_frac_feedback_div;
}
- for (post_div = min_post_div; post_div <= max_post_div; ++post_div) {
+ for (post_div = max_post_div; post_div >= min_post_div; --post_div) {
uint32_t ref_div;
if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 8a2f767..0ed7f6b 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -216,7 +216,6 @@ static int linear_run (mddev_t *mddev)
if (md_check_no_bitmap(mddev))
return -EINVAL;
- mddev->queue->queue_lock = &mddev->queue->__queue_lock;
conf = linear_conf(mddev, mddev->raid_disks);
if (!conf)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0e5a483..ec4c585 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -553,6 +553,9 @@ static mddev_t * mddev_find(dev_t unit)
{
mddev_t *mddev, *new = NULL;
+ if (unit && MAJOR(unit) != MD_MAJOR)
+ unit &= ~((1<<MdpMinorShift)-1);
+
retry:
spin_lock(&all_mddevs_lock);
@@ -4611,6 +4614,7 @@ static int do_md_run(mddev_t *mddev)
}
set_capacity(mddev->gendisk, mddev->array_sectors);
revalidate_disk(mddev->gendisk);
+ mddev->changed = 1;
kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE);
out:
return err;
@@ -4699,6 +4703,7 @@ static void md_clean(mddev_t *mddev)
mddev->sync_speed_min = mddev->sync_speed_max = 0;
mddev->recovery = 0;
mddev->in_sync = 0;
+ mddev->changed = 0;
mddev->degraded = 0;
mddev->safemode = 0;
mddev->bitmap_info.offset = 0;
@@ -4808,6 +4813,7 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
set_capacity(disk, 0);
mutex_unlock(&mddev->open_mutex);
+ mddev->changed = 1;
revalidate_disk(disk);
if (mddev->ro)
@@ -5991,7 +5997,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
atomic_inc(&mddev->openers);
mutex_unlock(&mddev->open_mutex);
- check_disk_size_change(mddev->gendisk, bdev);
+ check_disk_change(bdev);
out:
return err;
}
@@ -6006,6 +6012,21 @@ static int md_release(struct gendisk *disk, fmode_t mode)
return 0;
}
+
+static int md_media_changed(struct gendisk *disk)
+{
+ mddev_t *mddev = disk->private_data;
+
+ return mddev->changed;
+}
+
+static int md_revalidate(struct gendisk *disk)
+{
+ mddev_t *mddev = disk->private_data;
+
+ mddev->changed = 0;
+ return 0;
+}
static const struct block_device_operations md_fops =
{
.owner = THIS_MODULE,
@@ -6016,6 +6037,8 @@ static const struct block_device_operations md_fops =
.compat_ioctl = md_compat_ioctl,
#endif
.getgeo = md_getgeo,
+ .media_changed = md_media_changed,
+ .revalidate_disk= md_revalidate,
};
static int md_thread(void * arg)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index a161283..d271a5e 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -270,6 +270,8 @@ struct mddev_s
atomic_t active; /* general refcount */
atomic_t openers; /* number of active opens */
+ int changed; /* True if we might need to
+ * reread partition info */
int degraded; /* whether md should consider
* adding a spare
*/
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 6d7ddf3..3a62d44 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -435,7 +435,6 @@ static int multipath_run (mddev_t *mddev)
* bookkeeping area. [whatever we allocate in multipath_run(),
* should be freed in multipath_stop()]
*/
- mddev->queue->queue_lock = &mddev->queue->__queue_lock;
conf = kzalloc(sizeof(multipath_conf_t), GFP_KERNEL);
mddev->private = conf;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index a39f4c3..734d943 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -353,7 +353,6 @@ static int raid0_run(mddev_t *mddev)
if (md_check_no_bitmap(mddev))
return -EINVAL;
blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors);
- mddev->queue->queue_lock = &mddev->queue->__queue_lock;
/* if private is not null, we are here after takeover */
if (mddev->private == NULL) {
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 845cf95..2d9855c 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -593,7 +593,10 @@ static int flush_pending_writes(conf_t *conf)
if (conf->pending_bio_list.head) {
struct bio *bio;
bio = bio_list_get(&conf->pending_bio_list);
+ /* Only take the spinlock to quiet a warning */
+ spin_lock(conf->mddev->queue->queue_lock);
blk_remove_plug(conf->mddev->queue);
+ spin_unlock(conf->mddev->queue->queue_lock);
spin_unlock_irq(&conf->device_lock);
/* flush any pending bitmap writes to
* disk before proceeding w/ I/O */
@@ -959,7 +962,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
atomic_inc(&r1_bio->remaining);
spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
- blk_plug_device(mddev->queue);
+ blk_plug_device_unlocked(mddev->queue);
spin_unlock_irqrestore(&conf->device_lock, flags);
}
r1_bio_write_done(r1_bio, bio->bi_vcnt, behind_pages, behind_pages != NULL);
@@ -2024,7 +2027,6 @@ static int run(mddev_t *mddev)
if (IS_ERR(conf))
return PTR_ERR(conf);
- mddev->queue->queue_lock = &conf->device_lock;
list_for_each_entry(rdev, &mddev->disks, same_set) {
disk_stack_limits(mddev->gendisk, rdev->bdev,
rdev->data_offset << 9);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 0641674..f51d713 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -662,7 +662,10 @@ static int flush_pending_writes(conf_t *conf)
if (conf->pending_bio_list.head) {
struct bio *bio;
bio = bio_list_get(&conf->pending_bio_list);
+ /* Spinlock only taken to quiet a warning */
+ spin_lock(conf->mddev->queue->queue_lock);
blk_remove_plug(conf->mddev->queue);
+ spin_unlock(conf->mddev->queue->queue_lock);
spin_unlock_irq(&conf->device_lock);
/* flush any pending bitmap writes to disk
* before proceeding w/ I/O */
@@ -971,7 +974,7 @@ static int make_request(mddev_t *mddev, struct bio * bio)
atomic_inc(&r10_bio->remaining);
spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
- blk_plug_device(mddev->queue);
+ blk_plug_device_unlocked(mddev->queue);
spin_unlock_irqrestore(&conf->device_lock, flags);
}
@@ -2303,8 +2306,6 @@ static int run(mddev_t *mddev)
if (!conf)
goto out;
- mddev->queue->queue_lock = &conf->device_lock;
-
mddev->thread = conf->thread;
conf->thread = NULL;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dc574f3..30f0c0a 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5205,7 +5205,6 @@ static int run(mddev_t *mddev)
mddev->queue->backing_dev_info.congested_data = mddev;
mddev->queue->backing_dev_info.congested_fn = raid5_congested;
- mddev->queue->queue_lock = &conf->device_lock;
mddev->queue->unplug_fn = raid5_unplug_queue;
chunk_size = mddev->chunk_sectors << 9;
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index b4931ab..31882f6 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -152,12 +152,12 @@ static inline int __tps6586x_write(struct i2c_client *client,
static inline int __tps6586x_writes(struct i2c_client *client, int reg,
int len, uint8_t *val)
{
- int ret;
+ int ret, i;
- ret = i2c_smbus_write_i2c_block_data(client, reg, len, val);
- if (ret < 0) {
- dev_err(&client->dev, "failed writings to 0x%02x\n", reg);
- return ret;
+ for (i = 0; i < len; i++) {
+ ret = __tps6586x_write(client, reg + i, *(val + i));
+ if (ret < 0)
+ return ret;
}
return 0;
diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c
index 000cb41..92b85e2 100644
--- a/drivers/mfd/ucb1x00-ts.c
+++ b/drivers/mfd/ucb1x00-ts.c
@@ -385,12 +385,18 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev)
idev->close = ucb1x00_ts_close;
__set_bit(EV_ABS, idev->evbit);
- __set_bit(ABS_X, idev->absbit);
- __set_bit(ABS_Y, idev->absbit);
- __set_bit(ABS_PRESSURE, idev->absbit);
input_set_drvdata(idev, ts);
+ ucb1x00_adc_enable(ts->ucb);
+ ts->x_res = ucb1x00_ts_read_xres(ts);
+ ts->y_res = ucb1x00_ts_read_yres(ts);
+ ucb1x00_adc_disable(ts->ucb);
+
+ input_set_abs_params(idev, ABS_X, 0, ts->x_res, 0, 0);
+ input_set_abs_params(idev, ABS_Y, 0, ts->y_res, 0, 0);
+ input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0);
+
err = input_register_device(idev);
if (err)
goto fail;
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index e3374d9..94754f2 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -338,12 +338,17 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
}
phy->id = e1000_phy_unknown;
- ret_val = e1000e_get_phy_id(hw);
- if (ret_val)
- goto out;
- if ((phy->id == 0) || (phy->id == PHY_REVISION_MASK)) {
+ switch (hw->mac.type) {
+ default:
+ ret_val = e1000e_get_phy_id(hw);
+ if (ret_val)
+ goto out;
+ if ((phy->id != 0) && (phy->id != PHY_REVISION_MASK))
+ break;
+ /* fall-through */
+ case e1000_pch2lan:
/*
- * In case the PHY needs to be in mdio slow mode (eg. 82577),
+ * In case the PHY needs to be in mdio slow mode,
* set slow mode and try to get the PHY id again.
*/
ret_val = e1000_set_mdio_slow_mode_hv(hw);
@@ -352,6 +357,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
ret_val = e1000e_get_phy_id(hw);
if (ret_val)
goto out;
+ break;
}
phy->type = e1000e_get_phy_type_from_id(phy->id);
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c4ca162..a69230d 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -5884,7 +5884,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
/* APME bit in EEPROM is mapped to WUC.APME */
eeprom_data = er32(WUC);
eeprom_apme_mask = E1000_WUC_APME;
- if (eeprom_data & E1000_WUC_PHY_WAKE)
+ if ((hw->mac.type > e1000_ich10lan) &&
+ (eeprom_data & E1000_WUC_PHY_WAKE))
adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 3d3dc0c..5ce87a6 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -226,6 +226,13 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
}
*data = (u16) mdic;
+ /*
+ * Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ udelay(100);
+
return 0;
}
@@ -279,6 +286,13 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
return -E1000_ERR_PHY;
}
+ /*
+ * Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ udelay(100);
+
return 0;
}
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 53b13de..3f70a2f 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -24,6 +24,7 @@
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
+#include <linux/pci-aspm.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -3047,6 +3048,11 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
mii->reg_num_mask = 0x1f;
mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
+ /* disable ASPM completely as that cause random device stop working
+ * problems as well as full system hangs for some PCIe devices users */
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+ PCIE_LINK_STATE_CLKPM);
+
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_enable_device(pdev);
if (rc < 0) {
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 6f97b7b..dcae19d 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11165,7 +11165,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
break; /* We have no PHY */
- if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+ if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) ||
+ ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+ !netif_running(dev)))
return -EAGAIN;
spin_lock_bh(&tp->lock);
@@ -11181,7 +11183,9 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
break; /* We have no PHY */
- if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
+ if ((tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) ||
+ ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
+ !netif_running(dev)))
return -EAGAIN;
spin_lock_bh(&tp->lock);
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 270671f..1587a82 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -210,8 +210,9 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev)
struct tx_buf *tx_buf = NULL;
struct sk_buff *nskb = NULL;
int ret = 0, i;
- u16 *hdr, tx_skb_cnt = 0;
+ u16 tx_skb_cnt = 0;
u8 *buf;
+ __le16 *hdr;
if (hif_dev->tx.tx_skb_cnt == 0)
return 0;
@@ -236,9 +237,9 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev)
buf = tx_buf->buf;
buf += tx_buf->offset;
- hdr = (u16 *)buf;
- *hdr++ = nskb->len;
- *hdr++ = ATH_USB_TX_STREAM_MODE_TAG;
+ hdr = (__le16 *)buf;
+ *hdr++ = cpu_to_le16(nskb->len);
+ *hdr++ = cpu_to_le16(ATH_USB_TX_STREAM_MODE_TAG);
buf += 4;
memcpy(buf, nskb->data, nskb->len);
tx_buf->len = nskb->len + 4;
diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 7504ed1..7f8eb31 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -118,6 +118,8 @@ static struct usb_device_id carl9170_usb_ids[] = {
{ USB_DEVICE(0x057c, 0x8402) },
/* Qwest/Actiontec 802AIN Wireless N USB Network Adapter */
{ USB_DEVICE(0x1668, 0x1200) },
+ /* Airlive X.USB a/b/g/n */
+ { USB_DEVICE(0x1b75, 0x9170) },
/* terminate */
{}
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 1eacba4..0494d7b 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -199,6 +199,7 @@ static void p54p_check_rx_ring(struct ieee80211_hw *dev, u32 *index,
while (i != idx) {
u16 len;
struct sk_buff *skb;
+ dma_addr_t dma_addr;
desc = &ring[i];
len = le16_to_cpu(desc->len);
skb = rx_buf[i];
@@ -216,17 +217,20 @@ static void p54p_check_rx_ring(struct ieee80211_hw *dev, u32 *index,
len = priv->common.rx_mtu;
}
+ dma_addr = le32_to_cpu(desc->host_addr);
+ pci_dma_sync_single_for_cpu(priv->pdev, dma_addr,
+ priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
skb_put(skb, len);
if (p54_rx(dev, skb)) {
- pci_unmap_single(priv->pdev,
- le32_to_cpu(desc->host_addr),
- priv->common.rx_mtu + 32,
- PCI_DMA_FROMDEVICE);
+ pci_unmap_single(priv->pdev, dma_addr,
+ priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
rx_buf[i] = NULL;
- desc->host_addr = 0;
+ desc->host_addr = cpu_to_le32(0);
} else {
skb_trim(skb, 0);
+ pci_dma_sync_single_for_device(priv->pdev, dma_addr,
+ priv->common.rx_mtu + 32, PCI_DMA_FROMDEVICE);
desc->len = cpu_to_le16(priv->common.rx_mtu + 32);
}
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 2325e56..3576be5 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -98,6 +98,7 @@ static struct usb_device_id p54u_table[] __devinitdata = {
{USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */
{USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */
{USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */
+ {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */
{USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */
{USB_DEVICE(0x2001, 0x3705)}, /* D-Link DWL-G120 rev C1 */
{USB_DEVICE(0x413c, 0x5513)}, /* Dell WLA3310 USB Wireless Adapter */
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 5706355..16413f8 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -1,7 +1,7 @@
/*
* RTC client/driver for the Maxim/Dallas DS3232 Real-Time Clock over I2C
*
- * Copyright (C) 2009-2010 Freescale Semiconductor.
+ * Copyright (C) 2009-2011 Freescale Semiconductor.
* Author: Jack Lan <jack.lan@...escale.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -141,9 +141,11 @@ static int ds3232_read_time(struct device *dev, struct rtc_time *time)
time->tm_hour = bcd2bin(hour);
}
- time->tm_wday = bcd2bin(week);
+ /* Day of the week in linux range is 0~6 while 1~7 in RTC chip */
+ time->tm_wday = bcd2bin(week) - 1;
time->tm_mday = bcd2bin(day);
- time->tm_mon = bcd2bin(month & 0x7F);
+ /* linux tm_mon range:0~11, while month range is 1~12 in RTC chip */
+ time->tm_mon = bcd2bin(month & 0x7F) - 1;
if (century)
add_century = 100;
@@ -162,9 +164,11 @@ static int ds3232_set_time(struct device *dev, struct rtc_time *time)
buf[0] = bin2bcd(time->tm_sec);
buf[1] = bin2bcd(time->tm_min);
buf[2] = bin2bcd(time->tm_hour);
- buf[3] = bin2bcd(time->tm_wday); /* Day of the week */
+ /* Day of the week in linux range is 0~6 while 1~7 in RTC chip */
+ buf[3] = bin2bcd(time->tm_wday + 1);
buf[4] = bin2bcd(time->tm_mday); /* Date */
- buf[5] = bin2bcd(time->tm_mon);
+ /* linux tm_mon range:0~11, while month range is 1~12 in RTC chip */
+ buf[5] = bin2bcd(time->tm_mon + 1);
if (time->tm_year >= 100) {
buf[5] |= 0x80;
buf[6] = bin2bcd(time->tm_year - 100);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 4a38422..4095248 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -443,7 +443,7 @@ static void scsi_run_queue(struct request_queue *q)
&sdev->request_queue->queue_flags);
if (flagset)
queue_flag_set(QUEUE_FLAG_REENTER, sdev->request_queue);
- __blk_run_queue(sdev->request_queue);
+ __blk_run_queue(sdev->request_queue, false);
if (flagset)
queue_flag_clear(QUEUE_FLAG_REENTER, sdev->request_queue);
spin_unlock(sdev->request_queue->queue_lock);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 998c01b..5c3ccfc 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3829,7 +3829,7 @@ fc_bsg_goose_queue(struct fc_rport *rport)
!test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags);
if (flagset)
queue_flag_set(QUEUE_FLAG_REENTER, rport->rqst_q);
- __blk_run_queue(rport->rqst_q);
+ __blk_run_queue(rport->rqst_q, false);
if (flagset)
queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q);
spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags);
diff --git a/drivers/staging/brcm80211/sys/wl_mac80211.c b/drivers/staging/brcm80211/sys/wl_mac80211.c
index cb2041a..69f9687 100644
--- a/drivers/staging/brcm80211/sys/wl_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wl_mac80211.c
@@ -353,9 +353,7 @@ ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
switch (type) {
case NL80211_CHAN_HT20:
case NL80211_CHAN_NO_HT:
- WL_LOCK(wl);
err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
- WL_UNLOCK(wl);
break;
case NL80211_CHAN_HT40MINUS:
case NL80211_CHAN_HT40PLUS:
@@ -376,6 +374,7 @@ static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
int err = 0;
int new_int;
+ WL_LOCK(wl);
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
WL_NONE(("%s: Setting listen interval to %d\n",
__func__, conf->listen_interval));
@@ -431,6 +430,7 @@ static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
}
config_out:
+ WL_UNLOCK(wl);
return err;
}
@@ -559,14 +559,20 @@ wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
{
+ struct wl_info *wl = hw->priv;
WL_NONE(("Scan Start\n"));
- return;
+ WL_LOCK(wl);
+ wlc_scan_start(wl->wlc);
+ WL_UNLOCK(wl);
}
static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
{
+ struct wl_info *wl = hw->priv;
WL_NONE(("Scan Complete\n"));
- return;
+ WL_LOCK(wl);
+ wlc_scan_stop(wl->wlc);
+ WL_UNLOCK(wl);
}
static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
diff --git a/drivers/staging/brcm80211/sys/wlc_mac80211.c b/drivers/staging/brcm80211/sys/wlc_mac80211.c
index feaffcc..1671cc0 100644
--- a/drivers/staging/brcm80211/sys/wlc_mac80211.c
+++ b/drivers/staging/brcm80211/sys/wlc_mac80211.c
@@ -5336,7 +5336,6 @@ wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw)
fifo = prio2fifo[prio];
ASSERT((uint) PKTHEADROOM(sdu) >= TXOFF);
- ASSERT(!PKTSHARED(sdu));
ASSERT(!PKTNEXT(sdu));
ASSERT(!PKTLINK(sdu));
ASSERT(fifo < NFIFO);
@@ -8673,3 +8672,16 @@ static void wlc_txq_free(wlc_info_t *wlc, osl_t *osh, wlc_txq_info_t *qi)
kfree(qi);
}
+
+/*
+ * Flag 'scan in progress' to withold dynamic phy calibration
+ */
+void wlc_scan_start(struct wlc_info *wlc)
+{
+ wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, true);
+}
+
+void wlc_scan_stop(struct wlc_info *wlc)
+{
+ wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, false);
+}
diff --git a/drivers/staging/brcm80211/sys/wlc_pub.h b/drivers/staging/brcm80211/sys/wlc_pub.h
index a6a8c33..b66723b 100644
--- a/drivers/staging/brcm80211/sys/wlc_pub.h
+++ b/drivers/staging/brcm80211/sys/wlc_pub.h
@@ -568,6 +568,8 @@ extern void wlc_enable_mac(struct wlc_info *wlc);
extern u16 wlc_rate_shm_offset(struct wlc_info *wlc, u8 rate);
extern u32 wlc_get_rspec_history(struct wlc_bsscfg *cfg);
extern u32 wlc_get_current_highest_rate(struct wlc_bsscfg *cfg);
+extern void wlc_scan_start(struct wlc_info *wlc);
+extern void wlc_scan_stop(struct wlc_info *wlc);
static inline int wlc_iovar_getuint(struct wlc_info *wlc, const char *name,
uint *arg)
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index cd25b24..fd274e9 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -61,8 +61,6 @@
#define PCI_DAQ_SIZE 4096
#define PCI_DAQ_SIZE_660X 8192
-MODULE_LICENSE("GPL");
-
struct mite_struct *mite_devices;
EXPORT_SYMBOL(mite_devices);
diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 14e716e..54741c9 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -527,3 +527,7 @@ static void __exit driver_ni6527_cleanup_module(void)
module_init(driver_ni6527_init_module);
module_exit(driver_ni6527_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index 8b8e2aa..403fc09 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -871,3 +871,7 @@ static void __exit driver_ni_65xx_cleanup_module(void)
module_init(driver_ni_65xx_init_module);
module_exit(driver_ni_65xx_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 6612b08..ca2aeaa 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -1421,3 +1421,7 @@ static int ni_660x_dio_insn_config(struct comedi_device *dev,
};
return 0;
}
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index e9f034e..d8d91f9 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -384,3 +384,7 @@ static int ni_670x_find_device(struct comedi_device *dev, int bus, int slot)
mite_list_devices();
return -EIO;
}
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 84a15c3..005d2fe 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -1354,3 +1354,7 @@ static void __exit driver_pcidio_cleanup_module(void)
module_init(driver_pcidio_init_module);
module_exit(driver_pcidio_cleanup_module);
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 23a3812..9148abd 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1853,3 +1853,7 @@ static int pcimio_dio_change(struct comedi_device *dev,
return 0;
}
+
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h
index 41a1fe5..afc3b1a 100644
--- a/drivers/staging/usbip/vhci.h
+++ b/drivers/staging/usbip/vhci.h
@@ -100,9 +100,6 @@ struct vhci_hcd {
* But, the index of this array begins from 0.
*/
struct vhci_device vdev[VHCI_NPORTS];
-
- /* vhci_device which has not been assiged its address yet */
- int pending_port;
};
@@ -119,6 +116,9 @@ void rh_port_disconnect(int rhport);
void vhci_rx_loop(struct usbip_task *ut);
void vhci_tx_loop(struct usbip_task *ut);
+struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
+ __u32 seqnum);
+
#define hardware (&the_controller->pdev.dev)
static inline struct vhci_device *port_to_vdev(__u32 port)
diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
index 08bd26a..a35fe61 100644
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -138,8 +138,6 @@ void rh_port_connect(int rhport, enum usb_device_speed speed)
* the_controller->vdev[rhport].ud.status = VDEV_CONNECT;
* spin_unlock(&the_controller->vdev[rhport].ud.lock); */
- the_controller->pending_port = rhport;
-
spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
@@ -559,6 +557,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
struct device *dev = &urb->dev->dev;
int ret = 0;
unsigned long flags;
+ struct vhci_device *vdev;
usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
hcd, urb, mem_flags);
@@ -574,6 +573,18 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
return urb->status;
}
+ vdev = port_to_vdev(urb->dev->portnum-1);
+
+ /* refuse enqueue for dead connection */
+ spin_lock(&vdev->ud.lock);
+ if (vdev->ud.status == VDEV_ST_NULL || vdev->ud.status == VDEV_ST_ERROR) {
+ usbip_uerr("enqueue for inactive port %d\n", vdev->rhport);
+ spin_unlock(&vdev->ud.lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
+ return -ENODEV;
+ }
+ spin_unlock(&vdev->ud.lock);
+
ret = usb_hcd_link_urb_to_ep(hcd, urb);
if (ret)
goto no_need_unlink;
@@ -592,8 +603,6 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
__u8 type = usb_pipetype(urb->pipe);
struct usb_ctrlrequest *ctrlreq =
(struct usb_ctrlrequest *) urb->setup_packet;
- struct vhci_device *vdev =
- port_to_vdev(the_controller->pending_port);
if (type != PIPE_CONTROL || !ctrlreq) {
dev_err(dev, "invalid request to devnum 0\n");
@@ -607,7 +616,9 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
dev_info(dev, "SetAddress Request (%d) to port %d\n",
ctrlreq->wValue, vdev->rhport);
- vdev->udev = urb->dev;
+ if (vdev->udev)
+ usb_put_dev(vdev->udev);
+ vdev->udev = usb_get_dev(urb->dev);
spin_lock(&vdev->ud.lock);
vdev->ud.status = VDEV_ST_USED;
@@ -627,8 +638,9 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
"Get_Descriptor to device 0 "
"(get max pipe size)\n");
- /* FIXME: reference count? (usb_get_dev()) */
- vdev->udev = urb->dev;
+ if (vdev->udev)
+ usb_put_dev(vdev->udev);
+ vdev->udev = usb_get_dev(urb->dev);
goto out;
default:
@@ -805,7 +817,6 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
return 0;
}
-
static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
{
struct vhci_unlink *unlink, *tmp;
@@ -813,11 +824,34 @@ static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
spin_lock(&vdev->priv_lock);
list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
+ usbip_uinfo("unlink cleanup tx %lu\n", unlink->unlink_seqnum);
list_del(&unlink->list);
kfree(unlink);
}
list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) {
+ struct urb *urb;
+
+ /* give back URB of unanswered unlink request */
+ usbip_uinfo("unlink cleanup rx %lu\n", unlink->unlink_seqnum);
+
+ urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+ if (!urb) {
+ usbip_uinfo("the urb (seqnum %lu) was already given back\n",
+ unlink->unlink_seqnum);
+ list_del(&unlink->list);
+ kfree(unlink);
+ continue;
+ }
+
+ urb->status = -ENODEV;
+
+ spin_lock(&the_controller->lock);
+ usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
+ spin_unlock(&the_controller->lock);
+
+ usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
+
list_del(&unlink->list);
kfree(unlink);
}
@@ -887,6 +921,10 @@ static void vhci_device_reset(struct usbip_device *ud)
vdev->speed = 0;
vdev->devid = 0;
+ if (vdev->udev)
+ usb_put_dev(vdev->udev);
+ vdev->udev = NULL;
+
ud->tcp_socket = NULL;
ud->status = VDEV_ST_NULL;
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 8147d72..bdbedd2 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -23,16 +23,14 @@
#include "vhci.h"
-/* get URB from transmitted urb queue */
-static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
+/* get URB from transmitted urb queue. caller must hold vdev->priv_lock */
+struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
__u32 seqnum)
{
struct vhci_priv *priv, *tmp;
struct urb *urb = NULL;
int status;
- spin_lock(&vdev->priv_lock);
-
list_for_each_entry_safe(priv, tmp, &vdev->priv_rx, list) {
if (priv->seqnum == seqnum) {
urb = priv->urb;
@@ -63,8 +61,6 @@ static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
}
}
- spin_unlock(&vdev->priv_lock);
-
return urb;
}
@@ -74,9 +70,11 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
struct usbip_device *ud = &vdev->ud;
struct urb *urb;
+ spin_lock(&vdev->priv_lock);
urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
+ spin_unlock(&vdev->priv_lock);
if (!urb) {
usbip_uerr("cannot find a urb of seqnum %u\n",
@@ -161,7 +159,12 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
return;
}
+ spin_lock(&vdev->priv_lock);
+
urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+
+ spin_unlock(&vdev->priv_lock);
+
if (!urb) {
/*
* I get the result of a unlink request. But, it seems that I
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 32d0ad2..e8fa0dd 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2672,17 +2672,13 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
mutex_lock(&usb_address0_mutex);
- if (!udev->config && oldspeed == USB_SPEED_SUPER) {
- /* Don't reset USB 3.0 devices during an initial setup */
- usb_set_device_state(udev, USB_STATE_DEFAULT);
- } else {
- /* Reset the device; full speed may morph to high speed */
- /* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */
- retval = hub_port_reset(hub, port1, udev, delay);
- if (retval < 0) /* error or disconnect */
- goto fail;
- /* success, speed is known */
- }
+ /* Reset the device; full speed may morph to high speed */
+ /* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */
+ retval = hub_port_reset(hub, port1, udev, delay);
+ if (retval < 0) /* error or disconnect */
+ goto fail;
+ /* success, speed is known */
+
retval = -ENODEV;
if (oldspeed != USB_SPEED_UNKNOWN && oldspeed != udev->speed) {
@@ -2744,6 +2740,11 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
udev->ttport = hdev->ttport;
} else if (udev->speed != USB_SPEED_HIGH
&& hdev->speed == USB_SPEED_HIGH) {
+ if (!hub->tt.hub) {
+ dev_err(&udev->dev, "parent hub has no TT\n");
+ retval = -EINVAL;
+ goto fail;
+ }
udev->tt = &hub->tt;
udev->ttport = port1;
}
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 25719da..1848420 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -48,6 +48,10 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
+ /* Samsung Android phone modem - ID conflict with SPH-I500 */
+ { USB_DEVICE(0x04e8, 0x6601), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* Roland SC-8820 */
{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
@@ -68,6 +72,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* M-Systems Flash Disk Pioneers */
{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Keytouch QWERTY Panel keyboard */
+ { USB_DEVICE(0x0926, 0x3333), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 62c70c2..09bb3c9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -479,8 +479,11 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
state->new_deq_seg = find_trb_seg(cur_td->start_seg,
dev->eps[ep_index].stopped_trb,
&state->new_cycle_state);
- if (!state->new_deq_seg)
- BUG();
+ if (!state->new_deq_seg) {
+ WARN_ON(1);
+ return;
+ }
+
/* Dig out the cycle state saved by the xHC during the stop ep cmd */
xhci_dbg(xhci, "Finding endpoint context\n");
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
@@ -491,8 +494,10 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
state->new_deq_seg = find_trb_seg(state->new_deq_seg,
state->new_deq_ptr,
&state->new_cycle_state);
- if (!state->new_deq_seg)
- BUG();
+ if (!state->new_deq_seg) {
+ WARN_ON(1);
+ return;
+ }
trb = &state->new_deq_ptr->generic;
if ((trb->field[3] & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK) &&
@@ -2369,12 +2374,13 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb)
/* Scatter gather list entries may cross 64KB boundaries */
running_total = TRB_MAX_BUFF_SIZE -
- (sg_dma_address(sg) & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+ (sg_dma_address(sg) & (TRB_MAX_BUFF_SIZE - 1));
+ running_total &= TRB_MAX_BUFF_SIZE - 1;
if (running_total != 0)
num_trbs++;
/* How many more 64KB chunks to transfer, how many more TRBs? */
- while (running_total < sg_dma_len(sg)) {
+ while (running_total < sg_dma_len(sg) && running_total < temp) {
num_trbs++;
running_total += TRB_MAX_BUFF_SIZE;
}
@@ -2399,11 +2405,11 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb)
static void check_trb_math(struct urb *urb, int num_trbs, int running_total)
{
if (num_trbs != 0)
- dev_dbg(&urb->dev->dev, "%s - ep %#x - Miscalculated number of "
+ dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated number of "
"TRBs, %d left\n", __func__,
urb->ep->desc.bEndpointAddress, num_trbs);
if (running_total != urb->transfer_buffer_length)
- dev_dbg(&urb->dev->dev, "%s - ep %#x - Miscalculated tx length, "
+ dev_err(&urb->dev->dev, "%s - ep %#x - Miscalculated tx length, "
"queued %#x (%d), asked for %#x (%d)\n",
__func__,
urb->ep->desc.bEndpointAddress,
@@ -2535,8 +2541,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
sg = urb->sg;
addr = (u64) sg_dma_address(sg);
this_sg_len = sg_dma_len(sg);
- trb_buff_len = TRB_MAX_BUFF_SIZE -
- (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+ trb_buff_len = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
trb_buff_len = min_t(int, trb_buff_len, this_sg_len);
if (trb_buff_len > urb->transfer_buffer_length)
trb_buff_len = urb->transfer_buffer_length;
@@ -2572,7 +2577,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
(unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1),
(unsigned int) addr + trb_buff_len);
if (TRB_MAX_BUFF_SIZE -
- (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1)) < trb_buff_len) {
+ (addr & (TRB_MAX_BUFF_SIZE - 1)) < trb_buff_len) {
xhci_warn(xhci, "WARN: sg dma xfer crosses 64KB boundaries!\n");
xhci_dbg(xhci, "Next boundary at %#x, end dma = %#x\n",
(unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1),
@@ -2616,7 +2621,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
}
trb_buff_len = TRB_MAX_BUFF_SIZE -
- (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+ (addr & (TRB_MAX_BUFF_SIZE - 1));
trb_buff_len = min_t(int, trb_buff_len, this_sg_len);
if (running_total + trb_buff_len > urb->transfer_buffer_length)
trb_buff_len =
@@ -2656,7 +2661,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
num_trbs = 0;
/* How much data is (potentially) left before the 64KB boundary? */
running_total = TRB_MAX_BUFF_SIZE -
- (urb->transfer_dma & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+ (urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1));
+ running_total &= TRB_MAX_BUFF_SIZE - 1;
/* If there's some data on this 64KB chunk, or we have to send a
* zero-length transfer, we need at least one TRB
@@ -2699,8 +2705,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
/* How much data is in the first TRB? */
addr = (u64) urb->transfer_dma;
trb_buff_len = TRB_MAX_BUFF_SIZE -
- (urb->transfer_dma & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
- if (urb->transfer_buffer_length < trb_buff_len)
+ (urb->transfer_dma & (TRB_MAX_BUFF_SIZE - 1));
+ if (trb_buff_len > urb->transfer_buffer_length)
trb_buff_len = urb->transfer_buffer_length;
first_trb = true;
@@ -2872,8 +2878,8 @@ static int count_isoc_trbs_needed(struct xhci_hcd *xhci,
addr = (u64) (urb->transfer_dma + urb->iso_frame_desc[i].offset);
td_len = urb->iso_frame_desc[i].length;
- running_total = TRB_MAX_BUFF_SIZE -
- (addr & ((1 << TRB_MAX_BUFF_SHIFT) - 1));
+ running_total = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));
+ running_total &= TRB_MAX_BUFF_SIZE - 1;
if (running_total != 0)
num_trbs++;
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 99beebc..826485b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1880,6 +1880,7 @@ allocate_instance(struct device *dev,
INIT_LIST_HEAD(&musb->out_bulk);
hcd->uses_new_polling = 1;
+ hcd->has_tt = 1;
musb->vbuserr_retry = VBUSERR_RETRY_COUNT;
musb->a_wait_bcon = OTG_TIME_A_WAIT_BCON;
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index ed618bd..be10d31 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -317,6 +317,7 @@ static int musb_platform_resume(struct musb *musb)
int musb_platform_exit(struct musb *musb)
{
+ del_timer_sync(&musb_idle_timer);
musb_platform_suspend(musb);
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 7481ff8..0457813 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -301,6 +301,9 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */
.driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
},
+ { USB_DEVICE(0x0f3d, 0x68A3), /* Airprime/Sierra Wireless Direct IP modems */
+ .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+ },
{ USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */
{ }
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index fbc9467..b14d082 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -216,12 +216,15 @@ static void usb_wwan_indat_callback(struct urb *urb)
__func__, status, endpoint);
} else {
tty = tty_port_tty_get(&port->port);
- if (urb->actual_length) {
- tty_insert_flip_string(tty, data, urb->actual_length);
- tty_flip_buffer_push(tty);
- } else
- dbg("%s: empty read urb received", __func__);
- tty_kref_put(tty);
+ if (tty) {
+ if (urb->actual_length) {
+ tty_insert_flip_string(tty, data,
+ urb->actual_length);
+ tty_flip_buffer_push(tty);
+ } else
+ dbg("%s: empty read urb received", __func__);
+ tty_kref_put(tty);
+ }
/* Resubmit urb so we continue receiving */
if (status != -ESHUTDOWN) {
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 15a5d89..1c11959 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -27,6 +27,7 @@
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
+#include <linux/usb/cdc.h>
#include "visor.h"
/*
@@ -479,6 +480,17 @@ static int visor_probe(struct usb_serial *serial,
dbg("%s", __func__);
+ /*
+ * some Samsung Android phones in modem mode have the same ID
+ * as SPH-I500, but they are ACM devices, so dont bind to them
+ */
+ if (id->idVendor == SAMSUNG_VENDOR_ID &&
+ id->idProduct == SAMSUNG_SPH_I500_ID &&
+ serial->dev->descriptor.bDeviceClass == USB_CLASS_COMM &&
+ serial->dev->descriptor.bDeviceSubClass ==
+ USB_CDC_SUBCLASS_ACM)
+ return -ENODEV;
+
if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
serial->dev->actconfig->desc.bConfigurationValue);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 4230252..be84b70 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1217,9 +1217,9 @@ EXPORT_SYMBOL(open_by_devnum);
* when a disk has been changed -- either by a media change or online
* resize.
*/
-static void flush_disk(struct block_device *bdev)
+static void flush_disk(struct block_device *bdev, bool kill_dirty)
{
- if (__invalidate_device(bdev)) {
+ if (__invalidate_device(bdev, kill_dirty)) {
char name[BDEVNAME_SIZE] = "";
if (bdev->bd_disk)
@@ -1256,7 +1256,7 @@ void check_disk_size_change(struct gendisk *disk, struct block_device *bdev)
"%s: detected capacity change from %lld to %lld\n",
name, bdev_size, disk_size);
i_size_write(bdev->bd_inode, disk_size);
- flush_disk(bdev);
+ flush_disk(bdev, false);
}
}
EXPORT_SYMBOL(check_disk_size_change);
@@ -1308,7 +1308,7 @@ int check_disk_change(struct block_device *bdev)
if (!bdops->media_changed(bdev->bd_disk))
return 0;
- flush_disk(bdev);
+ flush_disk(bdev, true);
if (bdops->revalidate_disk)
bdops->revalidate_disk(bdev->bd_disk);
return 1;
@@ -1776,7 +1776,7 @@ void close_bdev_exclusive(struct block_device *bdev, fmode_t mode)
EXPORT_SYMBOL(close_bdev_exclusive);
-int __invalidate_device(struct block_device *bdev)
+int __invalidate_device(struct block_device *bdev, bool kill_dirty)
{
struct super_block *sb = get_super(bdev);
int res = 0;
@@ -1789,7 +1789,7 @@ int __invalidate_device(struct block_device *bdev)
* hold).
*/
shrink_dcache_sb(sb);
- res = invalidate_inodes(sb);
+ res = invalidate_inodes(sb, kill_dirty);
drop_super(sb);
}
invalidate_bdev(bdev);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 7daf1e6..be029a4 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -63,6 +63,13 @@
* cleanup path and it is also acquired by eventpoll_release_file()
* if a file has been pushed inside an epoll set and it is then
* close()d without a previous call toepoll_ctl(EPOLL_CTL_DEL).
+ * It is also acquired when inserting an epoll fd onto another epoll
+ * fd. We do this so that we walk the epoll tree and ensure that this
+ * insertion does not create a cycle of epoll file descriptors, which
+ * could lead to deadlock. We need a global mutex to prevent two
+ * simultaneous inserts (A into B and B into A) from racing and
+ * constructing a cycle without either insert observing that it is
+ * going to.
* It is possible to drop the "ep->mtx" and to use the global
* mutex "epmutex" (together with "ep->lock") to have it working,
* but having "ep->mtx" will make the interface more scalable.
@@ -224,6 +231,9 @@ static int max_user_watches __read_mostly;
*/
static DEFINE_MUTEX(epmutex);
+/* Used to check for epoll file descriptor inclusion loops */
+static struct nested_calls poll_loop_ncalls;
+
/* Used for safe wake up implementation */
static struct nested_calls poll_safewake_ncalls;
@@ -1195,6 +1205,62 @@ retry:
return res;
}
+/**
+ * ep_loop_check_proc - Callback function to be passed to the @ep_call_nested()
+ * API, to verify that adding an epoll file inside another
+ * epoll structure, does not violate the constraints, in
+ * terms of closed loops, or too deep chains (which can
+ * result in excessive stack usage).
+ *
+ * @priv: Pointer to the epoll file to be currently checked.
+ * @cookie: Original cookie for this call. This is the top-of-the-chain epoll
+ * data structure pointer.
+ * @call_nests: Current dept of the @ep_call_nested() call stack.
+ *
+ * Returns: Returns zero if adding the epoll @file inside current epoll
+ * structure @ep does not violate the constraints, or -1 otherwise.
+ */
+static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
+{
+ int error = 0;
+ struct file *file = priv;
+ struct eventpoll *ep = file->private_data;
+ struct rb_node *rbp;
+ struct epitem *epi;
+
+ mutex_lock(&ep->mtx);
+ for (rbp = rb_first(&ep->rbr); rbp; rbp = rb_next(rbp)) {
+ epi = rb_entry(rbp, struct epitem, rbn);
+ if (unlikely(is_file_epoll(epi->ffd.file))) {
+ error = ep_call_nested(&poll_loop_ncalls, EP_MAX_NESTS,
+ ep_loop_check_proc, epi->ffd.file,
+ epi->ffd.file->private_data, current);
+ if (error != 0)
+ break;
+ }
+ }
+ mutex_unlock(&ep->mtx);
+
+ return error;
+}
+
+/**
+ * ep_loop_check - Performs a check to verify that adding an epoll file (@file)
+ * another epoll file (represented by @ep) does not create
+ * closed loops or too deep chains.
+ *
+ * @ep: Pointer to the epoll private data structure.
+ * @file: Pointer to the epoll file to be checked.
+ *
+ * Returns: Returns zero if adding the epoll @file inside current epoll
+ * structure @ep does not violate the constraints, or -1 otherwise.
+ */
+static int ep_loop_check(struct eventpoll *ep, struct file *file)
+{
+ return ep_call_nested(&poll_loop_ncalls, EP_MAX_NESTS,
+ ep_loop_check_proc, file, ep, current);
+}
+
/*
* Open an eventpoll file descriptor.
*/
@@ -1243,6 +1309,7 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
struct epoll_event __user *, event)
{
int error;
+ int did_lock_epmutex = 0;
struct file *file, *tfile;
struct eventpoll *ep;
struct epitem *epi;
@@ -1284,6 +1351,25 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
*/
ep = file->private_data;
+ /*
+ * When we insert an epoll file descriptor, inside another epoll file
+ * descriptor, there is the change of creating closed loops, which are
+ * better be handled here, than in more critical paths.
+ *
+ * We hold epmutex across the loop check and the insert in this case, in
+ * order to prevent two separate inserts from racing and each doing the
+ * insert "at the same time" such that ep_loop_check passes on both
+ * before either one does the insert, thereby creating a cycle.
+ */
+ if (unlikely(is_file_epoll(tfile) && op == EPOLL_CTL_ADD)) {
+ mutex_lock(&epmutex);
+ did_lock_epmutex = 1;
+ error = -ELOOP;
+ if (ep_loop_check(ep, tfile) != 0)
+ goto error_tgt_fput;
+ }
+
+
mutex_lock(&ep->mtx);
/*
@@ -1319,6 +1405,9 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
mutex_unlock(&ep->mtx);
error_tgt_fput:
+ if (unlikely(did_lock_epmutex))
+ mutex_unlock(&epmutex);
+
fput(tfile);
error_fput:
fput(file);
@@ -1437,6 +1526,12 @@ static int __init eventpoll_init(void)
max_user_watches = (((si.totalram - si.totalhigh) / 25) << PAGE_SHIFT) /
EP_ITEM_COST;
+ /*
+ * Initialize the structure used to perform epoll file descriptor
+ * inclusion loops checks.
+ */
+ ep_nested_calls_init(&poll_loop_ncalls);
+
/* Initialize the structure used to perform safe poll wait head wake ups */
ep_nested_calls_init(&poll_safewake_ncalls);
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index f8aecd2..9a922b2 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -344,7 +344,6 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
new_de = ext2_find_entry (new_dir, &new_dentry->d_name, &new_page);
if (!new_de)
goto out_dir;
- inode_inc_link_count(old_inode);
ext2_set_link(new_dir, new_de, new_page, old_inode, 1);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
@@ -356,12 +355,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
if (new_dir->i_nlink >= EXT2_LINK_MAX)
goto out_dir;
}
- inode_inc_link_count(old_inode);
err = ext2_add_link(new_dentry, old_inode);
- if (err) {
- inode_dec_link_count(old_inode);
+ if (err)
goto out_dir;
- }
if (dir_de)
inode_inc_link_count(new_dir);
}
@@ -369,12 +365,11 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
/*
* Like most other Unix systems, set the ctime for inodes on a
* rename.
- * inode_dec_link_count() will mark the inode dirty.
*/
old_inode->i_ctime = CURRENT_TIME_SEC;
+ mark_inode_dirty(old_inode);
ext2_delete_entry (old_de, old_page);
- inode_dec_link_count(old_inode);
if (dir_de) {
if (old_dir != new_dir)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 8b984a2..14a183a 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -86,18 +86,52 @@ struct fuse_file *fuse_file_get(struct fuse_file *ff)
return ff;
}
+static void fuse_release_async(struct work_struct *work)
+{
+ struct fuse_req *req;
+ struct fuse_conn *fc;
+ struct path path;
+
+ req = container_of(work, struct fuse_req, misc.release.work);
+ path = req->misc.release.path;
+ fc = get_fuse_conn(path.dentry->d_inode);
+
+ fuse_put_request(fc, req);
+ path_put(&path);
+}
+
static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
{
- path_put(&req->misc.release.path);
+ if (fc->destroy_req) {
+ /*
+ * If this is a fuseblk mount, then it's possible that
+ * releasing the path will result in releasing the
+ * super block and sending the DESTROY request. If
+ * the server is single threaded, this would hang.
+ * For this reason do the path_put() in a separate
+ * thread.
+ */
+ atomic_inc(&req->count);
+ INIT_WORK(&req->misc.release.work, fuse_release_async);
+ schedule_work(&req->misc.release.work);
+ } else {
+ path_put(&req->misc.release.path);
+ }
}
-static void fuse_file_put(struct fuse_file *ff)
+static void fuse_file_put(struct fuse_file *ff, bool sync)
{
if (atomic_dec_and_test(&ff->count)) {
struct fuse_req *req = ff->reserved_req;
- req->end = fuse_release_end;
- fuse_request_send_background(ff->fc, req);
+ if (sync) {
+ fuse_request_send(ff->fc, req);
+ path_put(&req->misc.release.path);
+ fuse_put_request(ff->fc, req);
+ } else {
+ req->end = fuse_release_end;
+ fuse_request_send_background(ff->fc, req);
+ }
kfree(ff);
}
}
@@ -219,8 +253,12 @@ void fuse_release_common(struct file *file, int opcode)
* Normally this will send the RELEASE request, however if
* some asynchronous READ or WRITE requests are outstanding,
* the sending will be delayed.
+ *
+ * Make the release synchronous if this is a fuseblk mount,
+ * synchronous RELEASE is allowed (and desirable) in this case
+ * because the server can be trusted not to screw up.
*/
- fuse_file_put(ff);
+ fuse_file_put(ff, ff->fc->destroy_req != NULL);
}
static int fuse_open(struct inode *inode, struct file *file)
@@ -558,7 +596,7 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req)
page_cache_release(page);
}
if (req->ff)
- fuse_file_put(req->ff);
+ fuse_file_put(req->ff, false);
}
static void fuse_send_readpages(struct fuse_req *req, struct file *file)
@@ -1137,7 +1175,7 @@ static ssize_t fuse_direct_write(struct file *file, const char __user *buf,
static void fuse_writepage_free(struct fuse_conn *fc, struct fuse_req *req)
{
__free_page(req->pages[0]);
- fuse_file_put(req->ff);
+ fuse_file_put(req->ff, false);
}
static void fuse_writepage_finish(struct fuse_conn *fc, struct fuse_req *req)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 57d4a3a..ccb5225 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -21,6 +21,7 @@
#include <linux/rwsem.h>
#include <linux/rbtree.h>
#include <linux/poll.h>
+#include <linux/workqueue.h>
/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
@@ -257,7 +258,10 @@ struct fuse_req {
union {
struct fuse_forget_in forget_in;
struct {
- struct fuse_release_in in;
+ union {
+ struct fuse_release_in in;
+ struct work_struct work;
+ };
struct path path;
} release;
struct fuse_init_in init_in;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index ebef7ab..f910999 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -59,14 +59,7 @@ static void gfs2_init_gl_aspace_once(void *foo)
struct address_space *mapping = (struct address_space *)(gl + 1);
gfs2_init_glock_once(gl);
- memset(mapping, 0, sizeof(*mapping));
- INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
- spin_lock_init(&mapping->tree_lock);
- spin_lock_init(&mapping->i_mmap_lock);
- INIT_LIST_HEAD(&mapping->private_list);
- spin_lock_init(&mapping->private_lock);
- INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
- INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
+ address_space_init_once(mapping);
}
/**
diff --git a/fs/inode.c b/fs/inode.c
index ae2727a..e45734b 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -280,6 +280,20 @@ static void destroy_inode(struct inode *inode)
kmem_cache_free(inode_cachep, (inode));
}
+void address_space_init_once(struct address_space *mapping)
+{
+ memset(mapping, 0, sizeof(*mapping));
+ INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
+ spin_lock_init(&mapping->tree_lock);
+ spin_lock_init(&mapping->i_mmap_lock);
+ INIT_LIST_HEAD(&mapping->private_list);
+ spin_lock_init(&mapping->private_lock);
+ INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
+ INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
+ mutex_init(&mapping->unmap_mutex);
+}
+EXPORT_SYMBOL(address_space_init_once);
+
/*
* These are initializations that only need to be done
* once, because the fields are idempotent across use
@@ -293,13 +307,7 @@ void inode_init_once(struct inode *inode)
INIT_LIST_HEAD(&inode->i_devices);
INIT_LIST_HEAD(&inode->i_wb_list);
INIT_LIST_HEAD(&inode->i_lru);
- INIT_RADIX_TREE(&inode->i_data.page_tree, GFP_ATOMIC);
- spin_lock_init(&inode->i_data.tree_lock);
- spin_lock_init(&inode->i_data.i_mmap_lock);
- INIT_LIST_HEAD(&inode->i_data.private_list);
- spin_lock_init(&inode->i_data.private_lock);
- INIT_RAW_PRIO_TREE_ROOT(&inode->i_data.i_mmap);
- INIT_LIST_HEAD(&inode->i_data.i_mmap_nonlinear);
+ address_space_init_once(&inode->i_data);
i_size_ordered_init(inode);
#ifdef CONFIG_FSNOTIFY
INIT_HLIST_HEAD(&inode->i_fsnotify_marks);
@@ -524,11 +532,14 @@ void evict_inodes(struct super_block *sb)
/**
* invalidate_inodes - attempt to free all inodes on a superblock
* @sb: superblock to operate on
+ * @kill_dirty: flag to guide handling of dirty inodes
*
* Attempts to free all inodes for a given superblock. If there were any
* busy inodes return a non-zero value, else zero.
+ * If @kill_dirty is set, discard dirty inodes too, otherwise treat
+ * them as busy.
*/
-int invalidate_inodes(struct super_block *sb)
+int invalidate_inodes(struct super_block *sb, bool kill_dirty)
{
int busy = 0;
struct inode *inode, *next;
@@ -540,6 +551,10 @@ int invalidate_inodes(struct super_block *sb)
list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) {
if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE))
continue;
+ if (inode->i_state & I_DIRTY && !kill_dirty) {
+ busy = 1;
+ continue;
+ }
if (atomic_read(&inode->i_count)) {
busy = 1;
continue;
diff --git a/fs/internal.h b/fs/internal.h
index e43b9a4..5e3a1aa 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -107,4 +107,4 @@ extern void release_open_intent(struct nameidata *);
*/
extern int get_nr_dirty_inodes(void);
extern void evict_inodes(struct super_block *);
-extern int invalidate_inodes(struct super_block *);
+extern int invalidate_inodes(struct super_block *, bool);
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 5115814..3b008b8 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -35,11 +35,6 @@
#include "btnode.h"
-void nilfs_btnode_cache_init_once(struct address_space *btnc)
-{
- nilfs_mapping_init_once(btnc);
-}
-
static const struct address_space_operations def_btnode_aops = {
.sync_page = block_sync_page,
};
diff --git a/fs/nilfs2/btnode.h b/fs/nilfs2/btnode.h
index 7903749..1b8ebd8 100644
--- a/fs/nilfs2/btnode.h
+++ b/fs/nilfs2/btnode.h
@@ -37,7 +37,6 @@ struct nilfs_btnode_chkey_ctxt {
struct buffer_head *newbh;
};
-void nilfs_btnode_cache_init_once(struct address_space *);
void nilfs_btnode_cache_init(struct address_space *, struct backing_dev_info *);
void nilfs_btnode_cache_clear(struct address_space *);
struct buffer_head *nilfs_btnode_create_block(struct address_space *btnc,
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
index 39a5b84..bdb8de6 100644
--- a/fs/nilfs2/mdt.c
+++ b/fs/nilfs2/mdt.c
@@ -460,9 +460,9 @@ int nilfs_mdt_setup_shadow_map(struct inode *inode,
struct backing_dev_info *bdi = inode->i_sb->s_bdi;
INIT_LIST_HEAD(&shadow->frozen_buffers);
- nilfs_mapping_init_once(&shadow->frozen_data);
+ address_space_init_once(&shadow->frozen_data);
nilfs_mapping_init(&shadow->frozen_data, bdi, &shadow_map_aops);
- nilfs_mapping_init_once(&shadow->frozen_btnodes);
+ address_space_init_once(&shadow->frozen_btnodes);
nilfs_mapping_init(&shadow->frozen_btnodes, bdi, &shadow_map_aops);
mi->mi_shadow = shadow;
return 0;
diff --git a/fs/nilfs2/page.h b/fs/nilfs2/page.h
index fb9e8a8..b7e2726 100644
--- a/fs/nilfs2/page.h
+++ b/fs/nilfs2/page.h
@@ -61,7 +61,6 @@ void nilfs_free_private_page(struct page *);
int nilfs_copy_dirty_pages(struct address_space *, struct address_space *);
void nilfs_copy_back_pages(struct address_space *, struct address_space *);
void nilfs_clear_dirty_pages(struct address_space *);
-void nilfs_mapping_init_once(struct address_space *mapping);
void nilfs_mapping_init(struct address_space *mapping,
struct backing_dev_info *bdi,
const struct address_space_operations *aops);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 687d090..4cf8cec 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -430,7 +430,8 @@ static void nilfs_segctor_begin_finfo(struct nilfs_sc_info *sci,
nilfs_segctor_map_segsum_entry(
sci, &sci->sc_binfo_ptr, sizeof(struct nilfs_finfo));
- if (inode->i_sb && !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags))
+ if (NILFS_I(inode)->i_root &&
+ !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags))
set_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags);
/* skip finfo */
}
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 2940a58..388e26b 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1263,7 +1263,7 @@ static void nilfs_inode_init_once(void *obj)
#ifdef CONFIG_NILFS_XATTR
init_rwsem(&ii->xattr_sem);
#endif
- nilfs_btnode_cache_init_once(&ii->i_btnode_cache);
+ address_space_init_once(&ii->i_btnode_cache);
ii->i_bmap = &ii->i_bmap_data;
inode_init_once(&ii->vfs_inode);
}
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index b5f9160..19ebc5a 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3228,7 +3228,7 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
u32 num_clusters, unsigned int e_flags)
{
int ret, delete, index, credits = 0;
- u32 new_bit, new_len;
+ u32 new_bit, new_len, orig_num_clusters;
unsigned int set_len;
struct ocfs2_super *osb = OCFS2_SB(sb);
handle_t *handle;
@@ -3261,6 +3261,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
goto out;
}
+ orig_num_clusters = num_clusters;
+
while (num_clusters) {
ret = ocfs2_get_refcount_rec(ref_ci, context->ref_root_bh,
p_cluster, num_clusters,
@@ -3348,7 +3350,8 @@ static int ocfs2_make_clusters_writable(struct super_block *sb,
* in write-back mode.
*/
if (context->get_clusters == ocfs2_di_get_clusters) {
- ret = ocfs2_cow_sync_writeback(sb, context, cpos, num_clusters);
+ ret = ocfs2_cow_sync_writeback(sb, context, cpos,
+ orig_num_clusters);
if (ret)
mlog_errno(ret);
}
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index cfeab7c..02e3cd0 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1310,7 +1310,7 @@ static int ocfs2_parse_options(struct super_block *sb,
struct mount_options *mopt,
int is_remount)
{
- int status;
+ int status, user_stack = 0;
char *p;
u32 tmp;
@@ -1453,6 +1453,15 @@ static int ocfs2_parse_options(struct super_block *sb,
memcpy(mopt->cluster_stack, args[0].from,
OCFS2_STACK_LABEL_LEN);
mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0';
+ /*
+ * Open code the memcmp here as we don't have
+ * an osb to pass to
+ * ocfs2_userspace_stack().
+ */
+ if (memcmp(mopt->cluster_stack,
+ OCFS2_CLASSIC_CLUSTER_STACK,
+ OCFS2_STACK_LABEL_LEN))
+ user_stack = 1;
break;
case Opt_inode64:
mopt->mount_opt |= OCFS2_MOUNT_INODE64;
@@ -1508,13 +1517,16 @@ static int ocfs2_parse_options(struct super_block *sb,
}
}
- /* Ensure only one heartbeat mode */
- tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
- OCFS2_MOUNT_HB_NONE);
- if (hweight32(tmp) != 1) {
- mlog(ML_ERROR, "Invalid heartbeat mount options\n");
- status = 0;
- goto bail;
+ if (user_stack == 0) {
+ /* Ensure only one heartbeat mode */
+ tmp = mopt->mount_opt & (OCFS2_MOUNT_HB_LOCAL |
+ OCFS2_MOUNT_HB_GLOBAL |
+ OCFS2_MOUNT_HB_NONE);
+ if (hweight32(tmp) != 1) {
+ mlog(ML_ERROR, "Invalid heartbeat mount options\n");
+ status = 0;
+ goto bail;
+ }
}
status = 1;
diff --git a/fs/partitions/ldm.c b/fs/partitions/ldm.c
index 789c625..b10e354 100644
--- a/fs/partitions/ldm.c
+++ b/fs/partitions/ldm.c
@@ -251,6 +251,11 @@ static bool ldm_parse_vmdb (const u8 *data, struct vmdb *vm)
}
vm->vblk_size = get_unaligned_be32(data + 0x08);
+ if (vm->vblk_size == 0) {
+ ldm_error ("Illegal VBLK size");
+ return false;
+ }
+
vm->vblk_offset = get_unaligned_be32(data + 0x0C);
vm->last_vblk_seq = get_unaligned_be32(data + 0x04);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 274eaaa..4e53d77 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1022,7 +1022,7 @@ struct drm_device {
struct platform_device *platformdev; /**< Platform device struture */
struct drm_sg_mem *sg; /**< Scatter gather memory */
- int num_crtcs; /**< Number of CRTCs on this device */
+ unsigned int num_crtcs; /**< Number of CRTCs on this device */
void *dev_private; /**< device private data */
void *mm_private;
struct address_space *dev_mapping;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7572b19..4554ab6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -700,7 +700,7 @@ extern void blk_start_queue(struct request_queue *q);
extern void blk_stop_queue(struct request_queue *q);
extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
-extern void __blk_run_queue(struct request_queue *);
+extern void __blk_run_queue(struct request_queue *q, bool force_kblockd);
extern void blk_run_queue(struct request_queue *);
extern int blk_rq_map_user(struct request_queue *, struct request *,
struct rq_map_data *, void __user *, unsigned long,
@@ -1089,7 +1089,6 @@ static inline void put_dev_sector(Sector p)
struct work_struct;
int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
-int kblockd_schedule_delayed_work(struct request_queue *q, struct delayed_work *dwork, unsigned long delay);
#ifdef CONFIG_BLK_CGROUP
/*
@@ -1137,7 +1136,6 @@ static inline uint64_t rq_io_start_time_ns(struct request *req)
extern int blk_throtl_init(struct request_queue *q);
extern void blk_throtl_exit(struct request_queue *q);
extern int blk_throtl_bio(struct request_queue *q, struct bio **bio);
-extern void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay);
extern void throtl_shutdown_timer_wq(struct request_queue *q);
#else /* CONFIG_BLK_DEV_THROTTLING */
static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio)
@@ -1147,7 +1145,6 @@ static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio)
static inline int blk_throtl_init(struct request_queue *q) { return 0; }
static inline int blk_throtl_exit(struct request_queue *q) { return 0; }
-static inline void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay) {}
static inline void throtl_shutdown_timer_wq(struct request_queue *q) {}
#endif /* CONFIG_BLK_DEV_THROTTLING */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 090f0ea..0570a28 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -646,6 +646,7 @@ struct address_space {
spinlock_t private_lock; /* for use by the address_space */
struct list_head private_list; /* ditto */
struct address_space *assoc_mapping; /* ditto */
+ struct mutex unmap_mutex; /* to protect unmapping */
} __attribute__((aligned(sizeof(long))));
/*
* On most architectures that alignment is already the case; but
@@ -2117,7 +2118,7 @@ extern void check_disk_size_change(struct gendisk *disk,
struct block_device *bdev);
extern int revalidate_disk(struct gendisk *);
extern int check_disk_change(struct block_device *);
-extern int __invalidate_device(struct block_device *);
+extern int __invalidate_device(struct block_device *, bool);
extern int invalidate_partition(struct gendisk *, int);
#endif
unsigned long invalidate_mapping_pages(struct address_space *mapping,
@@ -2203,6 +2204,7 @@ extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin);
extern int inode_init_always(struct super_block *, struct inode *);
extern void inode_init_once(struct inode *);
+extern void address_space_init_once(struct address_space *mapping);
extern void ihold(struct inode * inode);
extern void iput(struct inode *);
extern struct inode * igrab(struct inode *);
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 40f3f45..f09b769 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -470,6 +470,8 @@ struct dev_pm_info {
struct list_head entry;
struct completion completion;
struct wakeup_source *wakeup;
+#else
+ unsigned int should_wakeup:1;
#endif
#ifdef CONFIG_PM_RUNTIME
struct timer_list suspend_timer;
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index 9cff00d..03a67db 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -109,11 +109,6 @@ static inline bool device_can_wakeup(struct device *dev)
return dev->power.can_wakeup;
}
-static inline bool device_may_wakeup(struct device *dev)
-{
- return false;
-}
-
static inline struct wakeup_source *wakeup_source_create(const char *name)
{
return NULL;
@@ -134,24 +129,32 @@ static inline void wakeup_source_unregister(struct wakeup_source *ws) {}
static inline int device_wakeup_enable(struct device *dev)
{
- return -EINVAL;
+ dev->power.should_wakeup = true;
+ return 0;
}
static inline int device_wakeup_disable(struct device *dev)
{
+ dev->power.should_wakeup = false;
return 0;
}
-static inline int device_init_wakeup(struct device *dev, bool val)
+static inline int device_set_wakeup_enable(struct device *dev, bool enable)
{
- dev->power.can_wakeup = val;
- return val ? -EINVAL : 0;
+ dev->power.should_wakeup = enable;
+ return 0;
}
+static inline int device_init_wakeup(struct device *dev, bool val)
+{
+ device_set_wakeup_capable(dev, val);
+ device_set_wakeup_enable(dev, val);
+ return 0;
+}
-static inline int device_set_wakeup_enable(struct device *dev, bool enable)
+static inline bool device_may_wakeup(struct device *dev)
{
- return -EINVAL;
+ return dev->power.can_wakeup && dev->power.should_wakeup;
}
static inline void __pm_stay_awake(struct wakeup_source *ws) {}
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index e4cc21c..833e676 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -254,8 +254,11 @@ extern void dec_zone_state(struct zone *, enum zone_stat_item);
extern void __dec_zone_state(struct zone *, enum zone_stat_item);
void refresh_cpu_vm_stats(int);
-void reduce_pgdat_percpu_threshold(pg_data_t *pgdat);
-void restore_pgdat_percpu_threshold(pg_data_t *pgdat);
+
+int calculate_pressure_threshold(struct zone *zone);
+int calculate_normal_threshold(struct zone *zone);
+void set_pgdat_percpu_threshold(pg_data_t *pgdat,
+ int (*calculate_pressure)(struct zone *));
#else /* CONFIG_SMP */
/*
@@ -300,8 +303,7 @@ static inline void __dec_zone_page_state(struct page *page,
#define dec_zone_page_state __dec_zone_page_state
#define mod_zone_page_state __mod_zone_page_state
-static inline void reduce_pgdat_percpu_threshold(pg_data_t *pgdat) { }
-static inline void restore_pgdat_percpu_threshold(pg_data_t *pgdat) { }
+#define set_pgdat_percpu_threshold(pgdat, callback) { }
static inline void refresh_cpu_vm_stats(int cpu) { }
#endif
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 48b2761..a3b5aff 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -600,4 +600,14 @@ int tick_broadcast_oneshot_active(void)
return tick_broadcast_device.mode == TICKDEV_MODE_ONESHOT;
}
+/*
+ * Check whether the broadcast device supports oneshot.
+ */
+bool tick_broadcast_oneshot_available(void)
+{
+ struct clock_event_device *bc = tick_broadcast_device.evtdev;
+
+ return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;
+}
+
#endif
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index b6b898d..61e296b 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -51,7 +51,11 @@ int tick_is_oneshot_available(void)
{
struct clock_event_device *dev = __get_cpu_var(tick_cpu_device).evtdev;
- return dev && (dev->features & CLOCK_EVT_FEAT_ONESHOT);
+ if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT))
+ return 0;
+ if (!(dev->features & CLOCK_EVT_FEAT_C3STOP))
+ return 1;
+ return tick_broadcast_oneshot_available();
}
/*
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 290eefb..f65d3a7 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -36,6 +36,7 @@ extern void tick_shutdown_broadcast_oneshot(unsigned int *cpup);
extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
extern int tick_broadcast_oneshot_active(void);
extern void tick_check_oneshot_broadcast(int cpu);
+bool tick_broadcast_oneshot_available(void);
# else /* BROADCAST */
static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
{
@@ -46,6 +47,7 @@ static inline void tick_broadcast_switch_to_oneshot(void) { }
static inline void tick_shutdown_broadcast_oneshot(unsigned int *cpup) { }
static inline int tick_broadcast_oneshot_active(void) { return 0; }
static inline void tick_check_oneshot_broadcast(int cpu) { }
+static inline bool tick_broadcast_oneshot_available(void) { return true; }
# endif /* !BROADCAST */
#else /* !ONESHOT */
@@ -76,6 +78,7 @@ static inline int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
return 0;
}
static inline int tick_broadcast_oneshot_active(void) { return 0; }
+static inline bool tick_broadcast_oneshot_available(void) { return false; }
#endif /* !TICK_ONESHOT */
/*
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 7c06ee5..554a4bb 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -686,8 +686,10 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
/*
* Ensure that the address returned is DMA'ble
*/
- if (!dma_capable(dev, dev_addr, size))
- panic("map_single: bounce buffer is not DMA'ble");
+ if (!dma_capable(dev, dev_addr, size)) {
+ swiotlb_tbl_unmap_single(dev, map, size, dir);
+ dev_addr = swiotlb_virt_to_bus(dev, io_tlb_overflow_buffer);
+ }
return dev_addr;
}
diff --git a/mm/memory.c b/mm/memory.c
index 02e48aa..e8b2f03 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2572,6 +2572,7 @@ void unmap_mapping_range(struct address_space *mapping,
details.last_index = ULONG_MAX;
details.i_mmap_lock = &mapping->i_mmap_lock;
+ mutex_lock(&mapping->unmap_mutex);
spin_lock(&mapping->i_mmap_lock);
/* Protect against endless unmapping loops */
@@ -2588,6 +2589,7 @@ void unmap_mapping_range(struct address_space *mapping,
if (unlikely(!list_empty(&mapping->i_mmap_nonlinear)))
unmap_mapping_range_list(&mapping->i_mmap_nonlinear, &details);
spin_unlock(&mapping->i_mmap_lock);
+ mutex_unlock(&mapping->unmap_mutex);
}
EXPORT_SYMBOL(unmap_mapping_range);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 91b6d8c..92e89a0 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5335,10 +5335,9 @@ __count_immobile_pages(struct zone *zone, struct page *page, int count)
for (found = 0, iter = 0; iter < pageblock_nr_pages; iter++) {
unsigned long check = pfn + iter;
- if (!pfn_valid_within(check)) {
- iter++;
+ if (!pfn_valid_within(check))
continue;
- }
+
page = pfn_to_page(check);
if (!page_count(page)) {
if (PageBuddy(page))
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 5da4295..86f8c34 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2448,9 +2448,24 @@ static int kswapd(void *p)
*/
if (!sleeping_prematurely(pgdat, order, remaining)) {
trace_mm_vmscan_kswapd_sleep(pgdat->node_id);
- restore_pgdat_percpu_threshold(pgdat);
+
+ /*
+ * vmstat counters are not perfectly
+ * accurate and the estimated value
+ * for counters such as NR_FREE_PAGES
+ * can deviate from the true value by
+ * nr_online_cpus * threshold. To
+ * avoid the zone watermarks being
+ * breached while under pressure, we
+ * reduce the per-cpu vmstat threshold
+ * while kswapd is awake and restore
+ * them before going back to sleep.
+ */
+ set_pgdat_percpu_threshold(pgdat,
+ calculate_normal_threshold);
schedule();
- reduce_pgdat_percpu_threshold(pgdat);
+ set_pgdat_percpu_threshold(pgdat,
+ calculate_pressure_threshold);
} else {
if (remaining)
count_vm_event(KSWAPD_LOW_WMARK_HIT_QUICKLY);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 8aff417..3555636 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -83,7 +83,7 @@ EXPORT_SYMBOL(vm_stat);
#ifdef CONFIG_SMP
-static int calculate_pressure_threshold(struct zone *zone)
+int calculate_pressure_threshold(struct zone *zone)
{
int threshold;
int watermark_distance;
@@ -107,7 +107,7 @@ static int calculate_pressure_threshold(struct zone *zone)
return threshold;
}
-static int calculate_threshold(struct zone *zone)
+int calculate_normal_threshold(struct zone *zone)
{
int threshold;
int mem; /* memory in 128 MB units */
@@ -166,7 +166,7 @@ static void refresh_zone_stat_thresholds(void)
for_each_populated_zone(zone) {
unsigned long max_drift, tolerate_drift;
- threshold = calculate_threshold(zone);
+ threshold = calculate_normal_threshold(zone);
for_each_online_cpu(cpu)
per_cpu_ptr(zone->pageset, cpu)->stat_threshold
@@ -185,46 +185,24 @@ static void refresh_zone_stat_thresholds(void)
}
}
-void reduce_pgdat_percpu_threshold(pg_data_t *pgdat)
+void set_pgdat_percpu_threshold(pg_data_t *pgdat,
+ int (*calculate_pressure)(struct zone *))
{
struct zone *zone;
int cpu;
int threshold;
int i;
- get_online_cpus();
- for (i = 0; i < pgdat->nr_zones; i++) {
- zone = &pgdat->node_zones[i];
- if (!zone->percpu_drift_mark)
- continue;
-
- threshold = calculate_pressure_threshold(zone);
- for_each_online_cpu(cpu)
- per_cpu_ptr(zone->pageset, cpu)->stat_threshold
- = threshold;
- }
- put_online_cpus();
-}
-
-void restore_pgdat_percpu_threshold(pg_data_t *pgdat)
-{
- struct zone *zone;
- int cpu;
- int threshold;
- int i;
-
- get_online_cpus();
for (i = 0; i < pgdat->nr_zones; i++) {
zone = &pgdat->node_zones[i];
if (!zone->percpu_drift_mark)
continue;
- threshold = calculate_threshold(zone);
- for_each_online_cpu(cpu)
+ threshold = (*calculate_pressure)(zone);
+ for_each_possible_cpu(cpu)
per_cpu_ptr(zone->pageset, cpu)->stat_threshold
= threshold;
}
- put_online_cpus();
}
/*
diff --git a/net/dccp/input.c b/net/dccp/input.c
index e424a09..421f42c 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -621,6 +621,9 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
/* Caller (dccp_v4_do_rcv) will send Reset */
dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION;
return 1;
+ } else if (sk->sk_state == DCCP_CLOSED) {
+ dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION;
+ return 1;
}
if (sk->sk_state != DCCP_REQUESTING && sk->sk_state != DCCP_RESPOND) {
@@ -683,10 +686,6 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
}
switch (sk->sk_state) {
- case DCCP_CLOSED:
- dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION;
- return 1;
-
case DCCP_REQUESTING:
queued = dccp_rcv_request_sent_state_process(sk, skb, dh, len);
if (queued >= 0)
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index 739435a..cfa7a5e 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -67,8 +67,9 @@ dns_resolver_instantiate(struct key *key, const void *_data, size_t datalen)
size_t result_len = 0;
const char *data = _data, *end, *opt;
- kenter("%%%d,%s,'%s',%zu",
- key->serial, key->description, data, datalen);
+ kenter("%%%d,%s,'%*.*s',%zu",
+ key->serial, key->description,
+ (int)datalen, (int)datalen, data, datalen);
if (datalen <= 1 || !data || data[datalen - 1] != '\0')
return -EINVAL;
@@ -217,6 +218,19 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m)
seq_printf(m, ": %u", key->datalen);
}
+/*
+ * read the DNS data
+ * - the key's semaphore is read-locked
+ */
+static long dns_resolver_read(const struct key *key,
+ char __user *buffer, size_t buflen)
+{
+ if (key->type_data.x[0])
+ return key->type_data.x[0];
+
+ return user_read(key, buffer, buflen);
+}
+
struct key_type key_type_dns_resolver = {
.name = "dns_resolver",
.instantiate = dns_resolver_instantiate,
@@ -224,7 +238,7 @@ struct key_type key_type_dns_resolver = {
.revoke = user_revoke,
.destroy = user_destroy,
.describe = dns_resolver_describe,
- .read = user_read,
+ .read = dns_resolver_read,
};
static int __init init_dns_resolver(void)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index dc94b03..ab8523b 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1030,6 +1030,21 @@ static inline bool inetdev_valid_mtu(unsigned mtu)
return mtu >= 68;
}
+static void inetdev_send_gratuitous_arp(struct net_device *dev,
+ struct in_device *in_dev)
+
+{
+ struct in_ifaddr *ifa = in_dev->ifa_list;
+
+ if (!ifa)
+ return;
+
+ arp_send(ARPOP_REQUEST, ETH_P_ARP,
+ ifa->ifa_address, dev,
+ ifa->ifa_address, NULL,
+ dev->dev_addr, NULL);
+}
+
/* Called only under RTNL semaphore */
static int inetdev_event(struct notifier_block *this, unsigned long event,
@@ -1082,18 +1097,13 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
}
ip_mc_up(in_dev);
/* fall through */
- case NETDEV_NOTIFY_PEERS:
case NETDEV_CHANGEADDR:
+ if (!IN_DEV_ARP_NOTIFY(in_dev))
+ break;
+ /* fall through */
+ case NETDEV_NOTIFY_PEERS:
/* Send gratuitous ARP to notify of link change */
- if (IN_DEV_ARP_NOTIFY(in_dev)) {
- struct in_ifaddr *ifa = in_dev->ifa_list;
-
- if (ifa)
- arp_send(ARPOP_REQUEST, ETH_P_ARP,
- ifa->ifa_address, dev,
- ifa->ifa_address, NULL,
- dev->dev_addr, NULL);
- }
+ inetdev_send_gratuitous_arp(dev, in_dev);
break;
case NETDEV_DOWN:
ip_mc_down(in_dev);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index c5af909..3c8dfa1 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -505,7 +505,9 @@ restart:
}
rcu_read_unlock();
+ local_bh_disable();
inet_twsk_deschedule(tw, twdr);
+ local_bh_enable();
inet_twsk_put(tw);
goto restart_rcu;
}
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 12222ee..8d26d55 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -802,11 +802,11 @@ int cfg80211_wext_siwfreq(struct net_device *dev,
return freq;
if (freq == 0)
return -EINVAL;
- wdev_lock(wdev);
mutex_lock(&rdev->devlist_mtx);
+ wdev_lock(wdev);
err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
- mutex_unlock(&rdev->devlist_mtx);
wdev_unlock(wdev);
+ mutex_unlock(&rdev->devlist_mtx);
return err;
default:
return -EOPNOTSUPP;
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index fc5e027..4d964da 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3106,6 +3106,8 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0401, "Dell Vostro 1014", CXT5066_DELL_VOSTRO),
SND_PCI_QUIRK(0x1028, 0x0402, "Dell Vostro", CXT5066_DELL_VOSTRO),
SND_PCI_QUIRK(0x1028, 0x0408, "Dell Inspiron One 19T", CXT5066_IDEAPAD),
+ SND_PCI_QUIRK(0x1028, 0x050f, "Dell Inspiron", CXT5066_IDEAPAD),
+ SND_PCI_QUIRK(0x1028, 0x0510, "Dell Vostro", CXT5066_IDEAPAD),
SND_PCI_QUIRK(0x103c, 0x360b, "HP G60", CXT5066_HP_LAPTOP),
SND_PCI_QUIRK(0x1043, 0x13f3, "Asus A52J", CXT5066_HP_LAPTOP),
SND_PCI_QUIRK(0x1179, 0xff1e, "Toshiba Satellite C650D", CXT5066_IDEAPAD),
@@ -3890,6 +3892,8 @@ static struct hda_codec_preset snd_hda_preset_conexant[] = {
.patch = patch_cxt5066 },
{ .id = 0x14f15069, .name = "CX20585",
.patch = patch_cxt5066 },
+ { .id = 0x14f1506e, .name = "CX20590",
+ .patch = patch_cxt5066 },
{ .id = 0x14f15097, .name = "CX20631",
.patch = patch_conexant_auto },
{ .id = 0x14f15098, .name = "CX20632",
@@ -3916,6 +3920,7 @@ MODULE_ALIAS("snd-hda-codec-id:14f15066");
MODULE_ALIAS("snd-hda-codec-id:14f15067");
MODULE_ALIAS("snd-hda-codec-id:14f15068");
MODULE_ALIAS("snd-hda-codec-id:14f15069");
+MODULE_ALIAS("snd-hda-codec-id:14f1506e");
MODULE_ALIAS("snd-hda-codec-id:14f15097");
MODULE_ALIAS("snd-hda-codec-id:14f15098");
MODULE_ALIAS("snd-hda-codec-id:14f150a1");
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index d1c3f8d..e1b775d 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -568,7 +568,7 @@ static void via_auto_init_analog_input(struct hda_codec *codec)
hda_nid_t nid = cfg->inputs[i].pin;
if (spec->smart51_enabled && is_smart51_pins(spec, nid))
ctl = PIN_OUT;
- else if (i == AUTO_PIN_MIC)
+ else if (cfg->inputs[i].type == AUTO_PIN_MIC)
ctl = PIN_VREF50;
else
ctl = PIN_IN;
diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c
index dd4fffd..85934ee 100644
--- a/sound/soc/imx/eukrea-tlv320.c
+++ b/sound/soc/imx/eukrea-tlv320.c
@@ -80,7 +80,7 @@ static struct snd_soc_dai_link eukrea_tlv320_dai = {
.name = "tlv320aic23",
.stream_name = "TLV320AIC23",
.codec_dai_name = "tlv320aic23-hifi",
- .platform_name = "imx-pcm-audio.0",
+ .platform_name = "imx-fiq-pcm-audio.0",
.codec_name = "tlv320aic23-codec.0-001a",
.cpu_dai_name = "imx-ssi.0",
.ops = &eukrea_tlv320_snd_ops,
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
index c82cedb..3b721a2 100644
--- a/sound/soc/pxa/e740_wm9705.c
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -117,7 +117,7 @@ static struct snd_soc_dai_link e740_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9705-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
@@ -126,7 +126,7 @@ static struct snd_soc_dai_link e740_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name = "wm9705-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c
index 4c14380..226fae4 100644
--- a/sound/soc/pxa/e750_wm9705.c
+++ b/sound/soc/pxa/e750_wm9705.c
@@ -99,7 +99,7 @@ static struct snd_soc_dai_link e750_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9705-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
@@ -109,7 +109,7 @@ static struct snd_soc_dai_link e750_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9705-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9705-codec",
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index d42e5fe..00252f6 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -89,7 +89,7 @@ static struct snd_soc_dai_link e800_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
@@ -98,7 +98,7 @@ static struct snd_soc_dai_link e800_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9712-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/em-x270.c b/sound/soc/pxa/em-x270.c
index eadf9d3..e0a4850 100644
--- a/sound/soc/pxa/em-x270.c
+++ b/sound/soc/pxa/em-x270.c
@@ -38,7 +38,7 @@ static struct snd_soc_dai_link em_x270_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
@@ -46,7 +46,7 @@ static struct snd_soc_dai_link em_x270_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9712-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/mioa701_wm9713.c b/sound/soc/pxa/mioa701_wm9713.c
index f284cc5..2026b68 100644
--- a/sound/soc/pxa/mioa701_wm9713.c
+++ b/sound/soc/pxa/mioa701_wm9713.c
@@ -162,7 +162,7 @@ static struct snd_soc_dai_link mioa701_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9713-hifi",
.codec_name = "wm9713-codec",
.init = mioa701_wm9713_init,
@@ -172,7 +172,7 @@ static struct snd_soc_dai_link mioa701_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9713-aux",
.codec_name = "wm9713-codec",
.platform_name = "pxa-pcm-audio",
diff --git a/sound/soc/pxa/palm27x.c b/sound/soc/pxa/palm27x.c
index 13f6d48..500d878 100644
--- a/sound/soc/pxa/palm27x.c
+++ b/sound/soc/pxa/palm27x.c
@@ -132,7 +132,7 @@ static struct snd_soc_dai_link palm27x_dai[] = {
{
.name = "AC97 HiFi",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.codec_name = "wm9712-codec",
.platform_name = "pxa-pcm-audio",
@@ -141,7 +141,7 @@ static struct snd_soc_dai_link palm27x_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name = "wm9712-aux",
.codec_name = "wm9712-codec",
.platform_name = "pxa-pcm-audio",
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 7b983f9..9c89d40 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -217,7 +217,7 @@ static struct snd_soc_dai_link tosa_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
@@ -227,7 +227,7 @@ static struct snd_soc_dai_link tosa_dai[] = {
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name = "wm9712-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
index d27e05a..324a86d 100644
--- a/sound/soc/pxa/zylonite.c
+++ b/sound/soc/pxa/zylonite.c
@@ -166,7 +166,7 @@ static struct snd_soc_dai_link zylonite_dai[] = {
.stream_name = "AC97 HiFi",
.codec_name = "wm9713-codec",
.platform_name = "pxa-pcm-audio",
- .cpu_dai_name = "pxa-ac97.0",
+ .cpu_dai_name = "pxa2xx-ac97",
.codec_name = "wm9713-hifi",
.init = zylonite_wm9713_init,
},
@@ -175,7 +175,7 @@ static struct snd_soc_dai_link zylonite_dai[] = {
.stream_name = "AC97 Aux",
.codec_name = "wm9713-codec",
.platform_name = "pxa-pcm-audio",
- .cpu_dai_name = "pxa-ac97.1",
+ .cpu_dai_name = "pxa2xx-ac97-aux",
.codec_name = "wm9713-aux",
},
{
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 800f7cb..c0f8270 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -323,6 +323,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
return -ENOMEM;
}
+ mutex_init(&chip->shutdown_mutex);
chip->index = idx;
chip->dev = dev;
chip->card = card;
@@ -531,6 +532,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
chip = ptr;
card = chip->card;
mutex_lock(®ister_mutex);
+ mutex_lock(&chip->shutdown_mutex);
chip->shutdown = 1;
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
@@ -548,9 +550,11 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
+ mutex_unlock(&chip->shutdown_mutex);
mutex_unlock(®ister_mutex);
snd_card_free_when_closed(card);
} else {
+ mutex_unlock(&chip->shutdown_mutex);
mutex_unlock(®ister_mutex);
}
}
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 4132522..e3f6805 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -361,6 +361,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
}
if (changed) {
+ mutex_lock(&subs->stream->chip->shutdown_mutex);
/* format changed */
snd_usb_release_substream_urbs(subs, 0);
/* influenced: period_bytes, channels, rate, format, */
@@ -368,6 +369,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
params_rate(hw_params),
snd_pcm_format_physical_width(params_format(hw_params)) *
params_channels(hw_params));
+ mutex_unlock(&subs->stream->chip->shutdown_mutex);
}
return ret;
@@ -385,8 +387,9 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;
subs->period_bytes = 0;
- if (!subs->stream->chip->shutdown)
- snd_usb_release_substream_urbs(subs, 0);
+ mutex_lock(&subs->stream->chip->shutdown_mutex);
+ snd_usb_release_substream_urbs(subs, 0);
+ mutex_unlock(&subs->stream->chip->shutdown_mutex);
return snd_pcm_lib_free_vmalloc_buffer(substream);
}
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index db3eb21..6e66fff 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -36,6 +36,7 @@ struct snd_usb_audio {
struct snd_card *card;
u32 usb_id;
int shutdown;
+ struct mutex shutdown_mutex;
unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */
int num_interfaces;
int num_suspended_intf;
--
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