---

yaml
---
r: 277006
b: refs/heads/master
c: e30e2fd
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d451c578c7222c7e9305c2e776a654dc6ec06c3
+refs/heads/master: e30e2fdfe56288576ee9e04dbb06b4bd5f282203

trunk/arch/sparc/kernel/pci_sun4v.c

@@ -849,10 +849,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
 	if (!irq)
 		return -ENOMEM;
 
-	if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
-		return -EINVAL;
 	if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
 		return -EINVAL;
+	if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
+		return -EINVAL;
 
 	return irq;
 }

trunk/drivers/ata/Kconfig

@@ -820,7 +820,7 @@ config PATA_PLATFORM
 
 config PATA_OF_PLATFORM
 	tristate "OpenFirmware platform device PATA support"
-	depends on PATA_PLATFORM && OF && OF_IRQ
+	depends on PATA_PLATFORM && OF
 	help
 	  This option enables support for generic directly connected ATA
 	  devices commonly found on embedded systems with OpenFirmware

trunk/drivers/md/bitmap.c

@@ -1393,6 +1393,9 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			 atomic_read(&bitmap->behind_writes),
 			 bitmap->mddev->bitmap_info.max_write_behind);
 	}
+	if (bitmap->mddev->degraded)
+		/* Never clear bits or update events_cleared when degraded */
+		success = 0;
 
 	while (sectors) {
 		sector_t blocks;
@@ -1406,7 +1409,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto
 			return;
 		}
 
-		if (success && !bitmap->mddev->degraded &&
+		if (success &&
 		    bitmap->events_cleared < bitmap->mddev->events) {
 			bitmap->events_cleared = bitmap->mddev->events;
 			bitmap->need_sync = 1;

trunk/drivers/md/linear.c

@@ -230,7 +230,6 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
 		return -EINVAL;
 
 	rdev->raid_disk = rdev->saved_raid_disk;
-	rdev->saved_raid_disk = -1;
 
 	newconf = linear_conf(mddev,mddev->raid_disks+1);
 

trunk/drivers/md/md.c

@@ -7360,7 +7360,8 @@ static int remove_and_add_spares(struct mddev *mddev)
 					spares++;
 					md_new_event(mddev);
 					set_bit(MD_CHANGE_DEVS, &mddev->flags);
-				}
+				} else
+					break;
 			}
 		}
 	}

trunk/drivers/md/raid5.c

@@ -3065,17 +3065,11 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			}
 		} else if (test_bit(In_sync, &rdev->flags))
 			set_bit(R5_Insync, &dev->flags);
-		else if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
+		else {
 			/* in sync if before recovery_offset */
-			set_bit(R5_Insync, &dev->flags);
-		else if (test_bit(R5_UPTODATE, &dev->flags) &&
-			 test_bit(R5_Expanded, &dev->flags))
-			/* If we've reshaped into here, we assume it is Insync.
-			 * We will shortly update recovery_offset to make
-			 * it official.
-			 */
-			set_bit(R5_Insync, &dev->flags);
-
+			if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset)
+				set_bit(R5_Insync, &dev->flags);
+		}
 		if (rdev && test_bit(R5_WriteError, &dev->flags)) {
 			clear_bit(R5_Insync, &dev->flags);
 			if (!test_bit(Faulty, &rdev->flags)) {

trunk/drivers/media/video/omap3isp/ispccdc.c

@@ -1408,7 +1408,7 @@ static void ccdc_hs_vs_isr(struct isp_ccdc_device *ccdc)
 {
 	struct isp_pipeline *pipe =
 		to_isp_pipeline(&ccdc->video_out.video.entity);
-	struct video_device *vdev = ccdc->subdev.devnode;
+	struct video_device *vdev = &ccdc->subdev.devnode;
 	struct v4l2_event event;
 
 	memset(&event, 0, sizeof(event));

trunk/drivers/media/video/omap3isp/ispstat.c

@@ -496,7 +496,7 @@ static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size)
 
 static void isp_stat_queue_event(struct ispstat *stat, int err)
 {
-	struct video_device *vdev = stat->subdev.devnode;
+	struct video_device *vdev = &stat->subdev.devnode;
 	struct v4l2_event event;
 	struct omap3isp_stat_event_status *status = (void *)event.u.data;
 

trunk/drivers/usb/dwc3/core.c

@@ -264,7 +264,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
 		ret = -ENODEV;
 		goto err0;
 	}
-	dwc->revision = reg;
+	dwc->revision = reg & DWC3_GSNPSREV_MASK;
 
 	dwc3_core_soft_reset(dwc);
 

trunk/drivers/usb/gadget/epautoconf.c

@@ -130,6 +130,9 @@ ep_matches (
 			num_req_streams = ep_comp->bmAttributes & 0x1f;
 			if (num_req_streams > ep->max_streams)
 				return 0;
+			/* Update the ep_comp descriptor if needed */
+			if (num_req_streams != ep->max_streams)
+				ep_comp->bmAttributes = ep->max_streams;
 		}
 
 	}

trunk/drivers/usb/host/isp1760-if.c

@@ -18,7 +18,7 @@
 
 #include "isp1760-hcd.h"
 
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
+#ifdef CONFIG_OF
 #include <linux/slab.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
@@ -31,7 +31,7 @@
 #include <linux/pci.h>
 #endif
 
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
+#ifdef CONFIG_OF
 struct isp1760 {
 	struct usb_hcd *hcd;
 	int rst_gpio;
@@ -437,7 +437,7 @@ static int __init isp1760_init(void)
 	ret = platform_driver_register(&isp1760_plat_driver);
 	if (!ret)
 		any_ret = 0;
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
+#ifdef CONFIG_OF
 	ret = platform_driver_register(&isp1760_of_driver);
 	if (!ret)
 		any_ret = 0;
@@ -457,7 +457,7 @@ module_init(isp1760_init);
 static void __exit isp1760_exit(void)
 {
 	platform_driver_unregister(&isp1760_plat_driver);
-#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ)
+#ifdef CONFIG_OF
 	platform_driver_unregister(&isp1760_of_driver);
 #endif
 #ifdef CONFIG_PCI

trunk/drivers/usb/musb/musb_host.c

@@ -774,10 +774,6 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 			if (musb->double_buffer_not_ok)
 				musb_writew(epio, MUSB_TXMAXP,
 						hw_ep->max_packet_sz_tx);
-			else if (can_bulk_split(musb, qh->type))
-				musb_writew(epio, MUSB_TXMAXP, packet_sz
-					| ((hw_ep->max_packet_sz_tx /
-						packet_sz) - 1) << 11);
 			else
 				musb_writew(epio, MUSB_TXMAXP,
 						qh->maxpacket |

trunk/fs/btrfs/async-thread.c

@@ -563,8 +563,8 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
 	struct list_head *fallback;
 	int ret;
 
-	spin_lock_irqsave(&workers->lock, flags);
 again:
+	spin_lock_irqsave(&workers->lock, flags);
 	worker = next_worker(workers);
 
 	if (!worker) {
@@ -579,7 +579,6 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
 			spin_unlock_irqrestore(&workers->lock, flags);
 			/* we're below the limit, start another worker */
 			ret = __btrfs_start_workers(workers);
-			spin_lock_irqsave(&workers->lock, flags);
 			if (ret)
 				goto fallback;
 			goto again;

trunk/fs/btrfs/inode.c

@@ -4590,6 +4590,10 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
 	int err = btrfs_add_link(trans, dir, inode,
 				 dentry->d_name.name, dentry->d_name.len,
 				 backref, index);
+	if (!err) {
+		d_instantiate(dentry, inode);
+		return 0;
+	}
 	if (err > 0)
 		err = -EEXIST;
 	return err;
@@ -4651,7 +4655,6 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
 	else {
 		init_special_inode(inode, inode->i_mode, rdev);
 		btrfs_update_inode(trans, root, inode);
-		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4719,7 +4722,6 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
 		inode->i_mapping->a_ops = &btrfs_aops;
 		inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
 		BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
-		d_instantiate(dentry, inode);
 	}
 out_unlock:
 	nr = trans->blocks_used;
@@ -4777,7 +4779,6 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 		struct dentry *parent = dentry->d_parent;
 		err = btrfs_update_inode(trans, root, inode);
 		BUG_ON(err);
-		d_instantiate(dentry, inode);
 		btrfs_log_new_name(trans, inode, NULL, parent);
 	}
 
@@ -7244,8 +7245,6 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
 		drop_inode = 1;
 
 out_unlock:
-	if (!err)
-		d_instantiate(dentry, inode);
 	nr = trans->blocks_used;
 	btrfs_end_transaction_throttle(trans, root);
 	if (drop_inode) {

trunk/fs/fs-writeback.c

@@ -47,6 +47,17 @@ struct wb_writeback_work {
 	struct completion *done;	/* set if the caller waits */
 };
 
+const char *wb_reason_name[] = {
+	[WB_REASON_BACKGROUND]		= "background",
+	[WB_REASON_TRY_TO_FREE_PAGES]	= "try_to_free_pages",
+	[WB_REASON_SYNC]		= "sync",
+	[WB_REASON_PERIODIC]		= "periodic",
+	[WB_REASON_LAPTOP_TIMER]	= "laptop_timer",
+	[WB_REASON_FREE_MORE_MEM]	= "free_more_memory",
+	[WB_REASON_FS_FREE_SPACE]	= "fs_free_space",
+	[WB_REASON_FORKER_THREAD]	= "forker_thread"
+};
+
 /*
  * Include the creation of the trace points after defining the
  * wb_writeback_work structure so that the definition remains local to this

trunk/include/linux/lglock.h

@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/lockdep.h>
 #include <linux/percpu.h>
+#include <linux/cpu.h>
 
 /* can make br locks by using local lock for read side, global lock for write */
 #define br_lock_init(name)	name##_lock_init()
@@ -72,9 +73,31 @@
 
 #define DEFINE_LGLOCK(name)						\
 									\
+ DEFINE_SPINLOCK(name##_cpu_lock);					\
+ cpumask_t name##_cpus __read_mostly;					\
  DEFINE_PER_CPU(arch_spinlock_t, name##_lock);				\
  DEFINE_LGLOCK_LOCKDEP(name);						\
 									\
+ static int								\
+ name##_lg_cpu_callback(struct notifier_block *nb,			\
+				unsigned long action, void *hcpu)	\
+ {									\
+	switch (action & ~CPU_TASKS_FROZEN) {				\
+	case CPU_UP_PREPARE:						\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_set((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+		break;							\
+	case CPU_UP_CANCELED: case CPU_DEAD:				\
+		spin_lock(&name##_cpu_lock);				\
+		cpu_clear((unsigned long)hcpu, name##_cpus);		\
+		spin_unlock(&name##_cpu_lock);				\
+	}								\
+	return NOTIFY_OK;						\
+ }									\
+ static struct notifier_block name##_lg_cpu_notifier = {		\
+	.notifier_call = name##_lg_cpu_callback,			\
+ };									\
  void name##_lock_init(void) {						\
 	int i;								\
 	LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \
@@ -83,6 +106,11 @@
 		lock = &per_cpu(name##_lock, i);			\
 		*lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;	\
 	}								\
+	register_hotcpu_notifier(&name##_lg_cpu_notifier);		\
+	get_online_cpus();						\
+	for_each_online_cpu(i)						\
+		cpu_set(i, name##_cpus);				\
+	put_online_cpus();						\
  }									\
  EXPORT_SYMBOL(name##_lock_init);					\
 									\
@@ -124,9 +152,9 @@
 									\
  void name##_global_lock_online(void) {					\
 	int i;								\
-	preempt_disable();						\
+	spin_lock(&name##_cpu_lock);					\
 	rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_lock(lock);					\
@@ -137,12 +165,12 @@
  void name##_global_unlock_online(void) {				\
 	int i;								\
 	rwlock_release(&name##_lock_dep_map, 1, _RET_IP_);		\
-	for_each_online_cpu(i) {					\
+	for_each_cpu(i, &name##_cpus) {					\
 		arch_spinlock_t *lock;					\
 		lock = &per_cpu(name##_lock, i);			\
 		arch_spin_unlock(lock);					\
 	}								\
-	preempt_enable();						\
+	spin_unlock(&name##_cpu_lock);					\
  }									\
  EXPORT_SYMBOL(name##_global_unlock_online);				\
 									\

trunk/include/net/dst.h

@@ -53,7 +53,6 @@ struct dst_entry {
 #define DST_NOHASH		0x0008
 #define DST_NOCACHE		0x0010
 #define DST_NOCOUNT		0x0020
-#define DST_NOPEER		0x0040
 
 	short			error;
 	short			obsolete;

trunk/include/net/sock.h

@@ -637,14 +637,12 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 
 /*
  * Take into account size of receive queue and backlog queue
- * Do not take into account this skb truesize,
- * to allow even a single big packet to come.
  */
 static inline bool sk_rcvqueues_full(const struct sock *sk, const struct sk_buff *skb)
 {
 	unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc);
 
-	return qsize > sk->sk_rcvbuf;
+	return qsize + skb->truesize > sk->sk_rcvbuf;
 }
 
 /* The per-socket spinlock must be held here. */

trunk/include/trace/events/writeback.h

@@ -21,16 +21,6 @@
 		{I_REFERENCED,		"I_REFERENCED"}		\
 	)
 
-#define WB_WORK_REASON							\
-		{WB_REASON_BACKGROUND,		"background"},		\
-		{WB_REASON_TRY_TO_FREE_PAGES,	"try_to_free_pages"},	\
-		{WB_REASON_SYNC,		"sync"},		\
-		{WB_REASON_PERIODIC,		"periodic"},		\
-		{WB_REASON_LAPTOP_TIMER,	"laptop_timer"},	\
-		{WB_REASON_FREE_MORE_MEM,	"free_more_memory"},	\
-		{WB_REASON_FS_FREE_SPACE,	"fs_free_space"},	\
-		{WB_REASON_FORKER_THREAD,	"forker_thread"}
-
 struct wb_writeback_work;
 
 DECLARE_EVENT_CLASS(writeback_work_class,
@@ -65,7 +55,7 @@ DECLARE_EVENT_CLASS(writeback_work_class,
 		  __entry->for_kupdate,
 		  __entry->range_cyclic,
 		  __entry->for_background,
-		  __print_symbolic(__entry->reason, WB_WORK_REASON)
+		  wb_reason_name[__entry->reason]
 	)
 );
 #define DEFINE_WRITEBACK_WORK_EVENT(name) \
@@ -194,8 +184,7 @@ TRACE_EVENT(writeback_queue_io,
 		__entry->older,	/* older_than_this in jiffies */
 		__entry->age,	/* older_than_this in relative milliseconds */
 		__entry->moved,
-		__print_symbolic(__entry->reason, WB_WORK_REASON)
-	)
+		wb_reason_name[__entry->reason])
 );
 
 TRACE_EVENT(global_dirty_state,