10 files changed, 69 insertions, 22 deletions

diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 23936b16426b..0f5c33b0bd3e 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -162,6 +162,13 @@ static inline struct dentry *debugfs_create_x32(const char *name, mode_t mode,
         return ERR_PTR(-ENODEV);
 }
 
+struct dentry *debugfs_create_size_t(const char *name, mode_t mode,
+                                     struct dentry *parent,
+                                     size_t *value)
+{
+        return ERR_PTR(-ENODEV);
+}
+
 static inline struct dentry *debugfs_create_bool(const char *name, mode_t mode,
                                                  struct dentry *parent,
                                                  u32 *value)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c73f1e2b59b7..3e0f64c335c8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -297,6 +297,11 @@ static inline void async_tx_ack(struct dma_async_tx_descriptor *tx)
         tx->flags |= DMA_CTRL_ACK;
 }
 
+static inline void async_tx_clear_ack(struct dma_async_tx_descriptor *tx)
+{
+        tx->flags &= ~DMA_CTRL_ACK;
+}
+
 static inline bool async_tx_test_ack(struct dma_async_tx_descriptor *tx)
 {
         return (tx->flags & DMA_CTRL_ACK) == DMA_CTRL_ACK;
@@ -400,11 +405,16 @@ static inline enum dma_status dma_async_is_complete(dma_cookie_t cookie,
 enum dma_status dma_sync_wait(struct dma_chan *chan, dma_cookie_t cookie);
 #ifdef CONFIG_DMA_ENGINE
 enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);
+void dma_issue_pending_all(void);
 #else
 static inline enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx)
 {
         return DMA_SUCCESS;
 }
+static inline void dma_issue_pending_all(void)
+{
+        do { } while (0);
+}
 #endif
 
 /* --- DMA device --- */
@@ -413,7 +423,6 @@ int dma_async_device_register(struct dma_device *device);
 void dma_async_device_unregister(struct dma_device *device);
 void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
 struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type);
-void dma_issue_pending_all(void);
 #define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)
 struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, void *fn_param);
 void dma_release_channel(struct dma_chan *chan);
diff --git a/include/linux/if_frad.h b/include/linux/if_frad.h
index 5c34240de746..60e16a551dd6 100644
--- a/include/linux/if_frad.h
+++ b/include/linux/if_frad.h
@@ -26,8 +26,6 @@
 
 #include <linux/if.h>
 
-#if defined(CONFIG_DLCI) || defined(CONFIG_DLCI_MODULE)
-
 /* Structures and constants associated with the DLCI device driver */
 
 struct dlci_add
@@ -127,6 +125,8 @@ struct frad_conf
 
 #ifdef __KERNEL__
 
+#if defined(CONFIG_DLCI) || defined(CONFIG_DLCI_MODULE)
+
 /* these are the fields of an RFC 1490 header */
 struct frhdr
 {
@@ -190,12 +190,10 @@ struct frad_local
    int               buffer;            /* current buffer for S508 firmware */
 };
 
-#endif /* __KERNEL__ */
-
 #endif /* CONFIG_DLCI || CONFIG_DLCI_MODULE */
 
-#ifdef __KERNEL__
 extern void dlci_ioctl_set(int (*hook)(unsigned int, void __user *));
-#endif
+
+#endif /* __KERNEL__ */
 
 #endif
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 2f3c2d4ef73b..ea0ea1a4c36f 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -48,6 +48,12 @@ extern struct fs_struct init_fs;
         .posix_timers    = LIST_HEAD_INIT(sig.posix_timers),            \
         .cpu_timers     = INIT_CPU_TIMERS(sig.cpu_timers),              \
         .rlim           = INIT_RLIMITS,                                 \
+        .cputime        = { .totals = {                                 \
+                .utime = cputime_zero,                                  \
+                .stime = cputime_zero,                                  \
+                .sum_exec_runtime = 0,                                  \
+                .lock = __SPIN_LOCK_UNLOCKED(sig.cputime.totals.lock),  \
+        }, },                                                           \
 }
 
 extern struct nsproxy init_nsproxy;
diff --git a/include/linux/klist.h b/include/linux/klist.h
index d5a27af9dba5..e91a4e59b771 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -22,7 +22,7 @@ struct klist {
         struct list_head        k_list;
         void                    (*get)(struct klist_node *);
         void                    (*put)(struct klist_node *);
-};
+} __attribute__ ((aligned (4)));
 
 #define KLIST_INIT(_name, _get, _put)                                   \
         { .k_lock       = __SPIN_LOCK_UNLOCKED(_name.k_lock),           \
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 80f8b8b65fde..48890cf3f96e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -117,6 +117,10 @@ typedef int __bitwise pci_power_t;
 #define PCI_UNKNOWN     ((pci_power_t __force) 5)
 #define PCI_POWER_ERROR ((pci_power_t __force) -1)
 
+#define PCI_PM_D2_DELAY 200
+#define PCI_PM_D3_WAIT  10
+#define PCI_PM_BUS_WAIT 50
+
 /** The pci_channel state describes connectivity between the CPU and
  *  the pci device.  If some PCI bus between here and the pci device
  *  has crashed or locked up, this info is reflected here.
@@ -252,6 +256,7 @@ struct pci_dev {
         unsigned int    ari_enabled:1;  /* ARI forwarding */
         unsigned int    is_managed:1;
         unsigned int    is_pcie:1;
+        unsigned int    state_saved:1;
         pci_dev_flags_t dev_flags;
         atomic_t        enable_cnt;     /* pci_enable_device has been called */
 
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 21b781a3350f..0b35b3a1be05 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -24,10 +24,8 @@ void sync_dquots(struct super_block *sb, int type);
 
 int dquot_initialize(struct inode *inode, int type);
 int dquot_drop(struct inode *inode);
-int dquot_drop_locked(struct inode *inode);
 struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
 void dqput(struct dquot *dquot);
-int dquot_is_cached(struct super_block *sb, unsigned int id, int type);
 int dquot_scan_active(struct super_block *sb,
                       int (*fn)(struct dquot *dquot, unsigned long priv),
                       unsigned long priv);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4cae9b81a1f8..02e16d207304 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -293,6 +293,9 @@ extern void sched_show_task(struct task_struct *p);
 extern void softlockup_tick(void);
 extern void touch_softlockup_watchdog(void);
 extern void touch_all_softlockup_watchdogs(void);
+extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
+                                    struct file *filp, void __user *buffer,
+                                    size_t *lenp, loff_t *ppos);
 extern unsigned int  softlockup_panic;
 extern unsigned long sysctl_hung_task_check_count;
 extern unsigned long sysctl_hung_task_timeout_secs;
@@ -450,6 +453,7 @@ struct task_cputime {
         cputime_t utime;
         cputime_t stime;
         unsigned long long sum_exec_runtime;
+        spinlock_t lock;
 };
 /* Alternate field names when used to cache expirations. */
 #define prof_exp        stime
@@ -465,7 +469,7 @@ struct task_cputime {
  * used for thread group CPU clock calculations.
  */
 struct thread_group_cputime {
-        struct task_cputime *totals;
+        struct task_cputime totals;
 };
 
 /*
@@ -2180,24 +2184,30 @@ static inline int spin_needbreak(spinlock_t *lock)
  * Thread group CPU time accounting.
  */
 
-extern int thread_group_cputime_alloc(struct task_struct *);
-extern void thread_group_cputime(struct task_struct *, struct task_cputime *);
-
-static inline void thread_group_cputime_init(struct signal_struct *sig)
+static inline
+void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
 {
-        sig->cputime.totals = NULL;
+        struct task_cputime *totals = &tsk->signal->cputime.totals;
+        unsigned long flags;
+
+        spin_lock_irqsave(&totals->lock, flags);
+        *times = *totals;
+        spin_unlock_irqrestore(&totals->lock, flags);
 }
 
-static inline int thread_group_cputime_clone_thread(struct task_struct *curr)
+static inline void thread_group_cputime_init(struct signal_struct *sig)
 {
-        if (curr->signal->cputime.totals)
-                return 0;
-        return thread_group_cputime_alloc(curr);
+        sig->cputime.totals = (struct task_cputime){
+                .utime = cputime_zero,
+                .stime = cputime_zero,
+                .sum_exec_runtime = 0,
+        };
+
+        spin_lock_init(&sig->cputime.totals.lock);
 }
 
 static inline void thread_group_cputime_free(struct signal_struct *sig)
 {
-        free_percpu(sig->cputime.totals);
 }
 
 /*
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index ba09fe88adda..7d3822243074 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -197,7 +197,9 @@ extern int usbnet_nway_reset(struct net_device *net);
 #define devdbg(usbnet, fmt, arg...) \
         printk(KERN_DEBUG "%s: " fmt "\n" , (usbnet)->net->name , ## arg)
 #else
-#define devdbg(usbnet, fmt, arg...) do {} while(0)
+#define devdbg(usbnet, fmt, arg...) \
+        ({ if (0) printk(KERN_DEBUG "%s: " fmt "\n" , (usbnet)->net->name , \
+                ## arg); 0; })
 #endif
 
 #define deverr(usbnet, fmt, arg...) \
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index b36291130f22..3cd51e579ab1 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -118,12 +118,24 @@ struct execute_work {
                 init_timer(&(_work)->timer);                    \
         } while (0)
 
+#define INIT_DELAYED_WORK_ON_STACK(_work, _func)                \
+        do {                                                    \
+                INIT_WORK(&(_work)->work, (_func));             \
+                init_timer_on_stack(&(_work)->timer);           \
+        } while (0)
+
 #define INIT_DELAYED_WORK_DEFERRABLE(_work, _func)                      \
         do {                                                    \
                 INIT_WORK(&(_work)->work, (_func));             \
                 init_timer_deferrable(&(_work)->timer);         \
         } while (0)
 
+#define INIT_DELAYED_WORK_ON_STACK(_work, _func)                \
+        do {                                                    \
+                INIT_WORK(&(_work)->work, (_func));             \
+                init_timer_on_stack(&(_work)->timer);           \
+        } while (0)
+
 /**
  * work_pending - Find out whether a work item is currently pending
  * @work: The work item in question