Merge cantab.net:/home/src/bklinux-2.6

into cantab.net:/home/src/ntfs-2.6

16 files changed, 311 insertions, 63 deletions

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 8a00ec5f7c62..b1a757d315a5 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -1,6 +1,8 @@
 #ifndef __LINUX_COMPILER_H
 #define __LINUX_COMPILER_H
 
+#ifndef __ASSEMBLY__
+
 #ifdef __CHECKER__
 # define __user		__attribute__((noderef, address_space(1)))
 # define __kernel	/* default address space */
@@ -17,12 +19,11 @@ extern void __chk_io_ptr(void __iomem *);
 # define __iomem
 # define __chk_user_ptr(x) (void)0
 # define __chk_io_ptr(x) (void)0
-#define __builtin_warning(x, ...) (1)
+# define __builtin_warning(x, y...) (1)
 #endif
 
 #ifdef __KERNEL__
 
-#ifndef __ASSEMBLY__
 #if __GNUC__ > 3
 # include <linux/compiler-gcc+.h>	/* catch-all for GCC 4, 5, etc. */
 #elif __GNUC__ == 3
@@ -32,7 +33,6 @@ extern void __chk_io_ptr(void __iomem *);
 #else
 # error Sorry, your compiler is too old/not recognized.
 #endif
-#endif
 
 /* Intel compiler defines __GNUC__. So we will overwrite implementations
  * coming from above header files here
@@ -62,6 +62,8 @@ extern void __chk_io_ptr(void __iomem *);
     (typeof(ptr)) (__ptr + (off)); })
 #endif
 
+#endif /* __ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 /*
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 7e1aad3947e7..97343be12ad8 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -5,6 +5,40 @@
 #include <linux/smp_lock.h>
 #include <asm/hardirq.h>
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+/*
+ * We put the hardirq and softirq counter into the preemption
+ * counter. The bitmask has the following meaning:
+ *
+ * - bits 0-7 are the preemption count (max preemption depth: 256)
+ * - bits 8-15 are the softirq count (max # of softirqs: 256)
+ * - bits 16-27 are the hardirq count (max # of hardirqs: 4096)
+ *
+ * - ( bit 26 is the PREEMPT_ACTIVE flag. )
+ *
+ * PREEMPT_MASK: 0x000000ff
+ * SOFTIRQ_MASK: 0x0000ff00
+ * HARDIRQ_MASK: 0x0fff0000
+ */
+
+#define PREEMPT_BITS	8
+#define SOFTIRQ_BITS	8
+#define HARDIRQ_BITS	12
+
+#define PREEMPT_SHIFT	0
+#define SOFTIRQ_SHIFT	(PREEMPT_SHIFT + PREEMPT_BITS)
+#define HARDIRQ_SHIFT	(SOFTIRQ_SHIFT + SOFTIRQ_BITS)
+
+/*
+ * The hardirq mask has to be large enough to have
+ * space for potentially all IRQ sources in the system
+ * nesting on a single CPU:
+ */
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+#endif /* CONFIG_GENERIC_HARDIRQS */
+
 #define __IRQ_MASK(x)	((1UL << (x))-1)
 
 #define PREEMPT_MASK	(__IRQ_MASK(PREEMPT_BITS) << PREEMPT_SHIFT)
@@ -43,4 +77,12 @@ extern void synchronize_irq(unsigned int irq);
 # define synchronize_irq(irq)	barrier()
 #endif
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+#define nmi_enter()		(preempt_count() += HARDIRQ_OFFSET)
+#define nmi_exit()		(preempt_count() -= HARDIRQ_OFFSET)
+
+#define irq_enter()		(preempt_count() += HARDIRQ_OFFSET)
+extern void irq_exit(void);
+#endif
+
 #endif /* LINUX_HARDIRQ_H */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 9937c8df8d7c..803d8efb1c4a 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -50,6 +50,7 @@
 		.list = LIST_HEAD_INIT(sig.shared_pending.list),	\
 		.signal =  {{0}}}, \
 	.posix_timers	 = LIST_HEAD_INIT(sig.posix_timers),		\
+	.rlim		= INIT_RLIMITS,					\
 }
 
 #define INIT_SIGHAND(sighand) {	\
@@ -96,7 +97,6 @@ extern struct group_info init_groups;
 	.cap_inheritable = CAP_INIT_INH_SET,				\
 	.cap_permitted	= CAP_FULL_SET,					\
 	.keep_capabilities = 0,						\
-	.rlim		= INIT_RLIMITS,					\
 	.user		= INIT_USER,					\
 	.comm		= "swapper",					\
 	.thread		= INIT_THREAD,					\
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c7bf37959009..2b0f7331f9c3 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -40,6 +40,8 @@ struct irqaction {
 	const char *name;
 	void *dev_id;
 	struct irqaction *next;
+	int irq;
+	struct proc_dir_entry *dir;
 };
 
 extern irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs);
@@ -48,6 +50,13 @@ extern int request_irq(unsigned int,
 		       unsigned long, const char *, void *);
 extern void free_irq(unsigned int, void *);
 
+
+#ifdef CONFIG_GENERIC_HARDIRQS
+extern void disable_irq_nosync(unsigned int irq);
+extern void disable_irq(unsigned int irq);
+extern void enable_irq(unsigned int irq);
+#endif
+
 /*
  * Temporary defines for UP kernels, until all code gets fixed.
  */
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5bc740d9bc47..fa3677deff3c 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -13,6 +13,7 @@
 
 #if !defined(CONFIG_ARCH_S390)
 
+#include <linux/linkage.h>
 #include <linux/cache.h>
 #include <linux/spinlock.h>
 #include <linux/cpumask.h>
@@ -71,7 +72,22 @@ extern irq_desc_t irq_desc [NR_IRQS];
 
 #include <asm/hw_irq.h> /* the arch dependent stuff */
 
-extern int setup_irq(unsigned int , struct irqaction * );
+extern int setup_irq(unsigned int irq, struct irqaction * new);
+
+#ifdef CONFIG_GENERIC_HARDIRQS
+extern cpumask_t irq_affinity[NR_IRQS];
+extern int no_irq_affinity;
+extern int noirqdebug_setup(char *str);
+
+extern asmlinkage int handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
+				       struct irqaction *action);
+extern asmlinkage unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs);
+extern void note_interrupt(unsigned int irq, irq_desc_t *desc, int action_ret);
+extern void report_bad_irq(unsigned int irq, irq_desc_t *desc, int action_ret);
+extern int can_request_irq(unsigned int irq, unsigned long irqflags);
+
+extern void init_irq_proc(void);
+#endif
 
 extern hw_irq_controller no_irq_type;  /* needed in every arch ? */
 
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 65ff5b5e896a..158ee1c501f0 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -540,7 +540,7 @@ static inline int can_do_mlock(void)
 {
 	if (capable(CAP_IPC_LOCK))
 		return 1;
-	if (current->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
+	if (current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
 		return 1;
 	return 0;
 }
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 900d43e88005..9303a003e9ab 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -64,10 +64,12 @@ extern int notifier_call_chain(struct notifier_block **n, unsigned long val, voi
 
 #define NETLINK_URELEASE	0x0001	/* Unicast netlink socket released */
 
-#define CPU_ONLINE	0x0002 /* CPU (unsigned)v is up */
-#define CPU_UP_PREPARE	0x0003 /* CPU (unsigned)v coming up */
-#define CPU_UP_CANCELED	0x0004 /* CPU (unsigned)v NOT coming up */
-#define CPU_DEAD	0x0006 /* CPU (unsigned)v dead */
+#define CPU_ONLINE		0x0002 /* CPU (unsigned)v is up */
+#define CPU_UP_PREPARE		0x0003 /* CPU (unsigned)v coming up */
+#define CPU_UP_CANCELED		0x0004 /* CPU (unsigned)v NOT coming up */
+#define CPU_DOWN_PREPARE	0x0005 /* CPU (unsigned)v going down */
+#define CPU_DOWN_FAILED		0x0006 /* CPU (unsigned)v NOT going down */
+#define CPU_DEAD		0x0007 /* CPU (unsigned)v dead */
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_NOTIFIER_H */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index eed506d0196d..271f3eb29a60 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2205,6 +2205,8 @@
 #define PCI_DEVICE_ID_INTEL_82855GM_HB	0x3580
 #define PCI_DEVICE_ID_INTEL_82855GM_IG	0x3582
 #define PCI_DEVICE_ID_INTEL_SMCH	0x3590
+#define PCI_DEVICE_ID_INTEL_E7320_MCH	0x3592
+#define PCI_DEVICE_ID_INTEL_E7525_MCH	0x359e
 #define PCI_DEVICE_ID_INTEL_80310	0x530d
 #define PCI_DEVICE_ID_INTEL_82371SB_0	0x7000
 #define PCI_DEVICE_ID_INTEL_82371SB_1	0x7010
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 53132cd80429..f18247125091 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -63,6 +63,7 @@
 #define PT_TRACE_EXEC	0x00000080
 #define PT_TRACE_VFORK_DONE	0x00000100
 #define PT_TRACE_EXIT	0x00000200
+#define PT_ATTACHED	0x00000400	/* parent != real_parent */
 
 #define PT_TRACE_MASK	0x000003f4
 
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 2bcb5bb73ebb..6eacc2c653f1 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -1711,14 +1711,29 @@ struct reiserfs_journal_header {
 #define journal_bread(s, block) __bread(SB_JOURNAL(s)->j_dev_bd, block, s->s_blocksize)
 
 enum reiserfs_bh_state_bits {
-    BH_JDirty = BH_PrivateStart,
+    BH_JDirty = BH_PrivateStart, /* buffer is in current transaction */
     BH_JDirty_wait,
-    BH_JNew,
+    BH_JNew,                     /* disk block was taken off free list before
+                                  * being in a finished transaction, or
+                                  * written to disk. Can be reused immed. */
     BH_JPrepared,
     BH_JRestore_dirty,
     BH_JTest, // debugging only will go away
 };
 
+BUFFER_FNS(JDirty, journaled);
+TAS_BUFFER_FNS(JDirty, journaled);
+BUFFER_FNS(JDirty_wait, journal_dirty);
+TAS_BUFFER_FNS(JDirty_wait, journal_dirty);
+BUFFER_FNS(JNew, journal_new);
+TAS_BUFFER_FNS(JNew, journal_new);
+BUFFER_FNS(JPrepared, journal_prepared);
+TAS_BUFFER_FNS(JPrepared, journal_prepared);
+BUFFER_FNS(JRestore_dirty, journal_restore_dirty);
+TAS_BUFFER_FNS(JRestore_dirty, journal_restore_dirty);
+BUFFER_FNS(JTest, journal_test);
+TAS_BUFFER_FNS(JTest, journal_test);
+
 /*
 ** transaction handle which is passed around for all journal calls
 */
@@ -1736,6 +1751,7 @@ struct reiserfs_transaction_handle {
   void *t_handle_save ;		/* save existing current->journal_info */
   unsigned displace_new_blocks:1; /* if new block allocation occurres, that block
 				   should be displaced from others */
+  struct list_head t_list;
 } ;
 
 /* used to keep track of ordered and tail writes, attached to the buffer
@@ -1795,41 +1811,14 @@ int journal_mark_freed(struct reiserfs_transaction_handle *, struct super_block
 int journal_transaction_should_end(struct reiserfs_transaction_handle *, int) ;
 int reiserfs_in_journal(struct super_block *p_s_sb, int bmap_nr, int bit_nr, int searchall, b_blocknr_t *next) ;
 int journal_begin(struct reiserfs_transaction_handle *, struct super_block *p_s_sb, unsigned long) ;
-
-int buffer_journaled(const struct buffer_head *bh) ;
-int mark_buffer_journal_new(struct buffer_head *bh) ;
+int journal_join_abort(struct reiserfs_transaction_handle *, struct super_block *p_s_sb, unsigned long) ;
+void reiserfs_journal_abort (struct super_block *sb, int errno);
+void reiserfs_abort (struct super_block *sb, int errno, const char *fmt, ...);
 int reiserfs_allocate_list_bitmaps(struct super_block *s, struct reiserfs_list_bitmap *, int) ;
 
-				/* why is this kerplunked right here? */
-static inline int reiserfs_buffer_prepared(const struct buffer_head *bh) {
-  if (bh && test_bit(BH_JPrepared, &bh->b_state))
-    return 1 ;
-  else
-    return 0 ;
-}
-
-/* buffer was journaled, waiting to get to disk */
-static inline int buffer_journal_dirty(const struct buffer_head *bh) {
-  if (bh)
-    return test_bit(BH_JDirty_wait, &bh->b_state) ;
-  else
-    return 0 ;
-}
-static inline int mark_buffer_notjournal_dirty(struct buffer_head *bh) {
-  if (bh)
-    clear_bit(BH_JDirty_wait, &bh->b_state) ;
-  return 0 ;
-}
-static inline int mark_buffer_notjournal_new(struct buffer_head *bh) {
-  if (bh) {
-    clear_bit(BH_JNew, &bh->b_state) ;
-  }
-  return 0 ;
-}
-
 void add_save_link (struct reiserfs_transaction_handle * th,
 					struct inode * inode, int truncate);
-void remove_save_link (struct inode * inode, int truncate);
+int remove_save_link (struct inode * inode, int truncate);
 
 /* objectid.c */
 __u32 reiserfs_get_unused_objectid (struct reiserfs_transaction_handle *th);
@@ -1925,8 +1914,8 @@ int reiserfs_delete_item (struct reiserfs_transaction_handle *th,
 
 void reiserfs_delete_solid_item (struct reiserfs_transaction_handle *th,
 				 struct inode *inode, struct key * key);
-void reiserfs_delete_object (struct reiserfs_transaction_handle *th, struct inode * p_s_inode);
-void reiserfs_do_truncate (struct reiserfs_transaction_handle *th, 
+int reiserfs_delete_object (struct reiserfs_transaction_handle *th, struct inode * p_s_inode);
+int reiserfs_do_truncate (struct reiserfs_transaction_handle *th,
 			   struct  inode * p_s_inode, struct page *, 
 			   int update_timestamps);
 
@@ -1940,7 +1929,7 @@ void reiserfs_do_truncate (struct reiserfs_transaction_handle *th,
 void padd_item (char * item, int total_length, int length);
 
 /* inode.c */
-void restart_transaction(struct reiserfs_transaction_handle *th, struct inode *inode, struct path *path);
+int restart_transaction(struct reiserfs_transaction_handle *th, struct inode *inode, struct path *path);
 void reiserfs_read_locked_inode(struct inode * inode, struct reiserfs_iget_args *args) ;
 int reiserfs_find_actor(struct inode * inode, void *p) ;
 int reiserfs_init_locked_inode(struct inode * inode, void *p) ;
@@ -1955,7 +1944,7 @@ int reiserfs_encode_fh( struct dentry *dentry, __u32 *data, int *lenp,
 						int connectable );
 
 int reiserfs_prepare_write(struct file *, struct page *, unsigned, unsigned) ;
-void reiserfs_truncate_file(struct inode *, int update_timestamps) ;
+int reiserfs_truncate_file(struct inode *, int update_timestamps) ;
 void make_cpu_key (struct cpu_key * cpu_key, struct inode * inode, loff_t offset,
 		   int type, int key_length);
 void make_le_item_head (struct item_head * ih, const struct cpu_key * key, 
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 16d340b08e7d..891418bb525a 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -206,11 +206,11 @@ struct reiserfs_journal {
   int j_cnode_used ;	      /* number of cnodes on the used list */
   int j_cnode_free ;          /* number of cnodes on the free list */
 
-  unsigned int s_journal_trans_max ;           /* max number of blocks in a transaction.  */
-  unsigned int s_journal_max_batch ;           /* max number of blocks to batch into a trans */
-  unsigned int s_journal_max_commit_age ;      /* in seconds, how old can an async commit be */
-  unsigned int s_journal_default_max_commit_age ; /* the default for the max commit age */
-  unsigned int s_journal_max_trans_age ;       /* in seconds, how old can a transaction be */  
+  unsigned int j_trans_max ;           /* max number of blocks in a transaction.  */
+  unsigned int j_max_batch ;           /* max number of blocks to batch into a trans */
+  unsigned int j_max_commit_age ;      /* in seconds, how old can an async commit be */
+  unsigned int j_max_trans_age ;       /* in seconds, how old can a transaction be */
+  unsigned int j_default_max_commit_age ; /* the default for the max commit age */
 
   struct reiserfs_journal_cnode *j_cnode_free_list ;
   struct reiserfs_journal_cnode *j_cnode_free_orig ; /* orig pointer returned from vmalloc */
@@ -242,14 +242,24 @@ struct reiserfs_journal {
   struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for all the real buffer heads in all 
   										the transactions */
   struct list_head j_prealloc_list;     /* list of inodes which have preallocated blocks */
+  int j_persistent_trans;
   unsigned long j_max_trans_size ;
   unsigned long j_max_batch_size ;
 
+  int j_errno;
+
   /* when flushing ordered buffers, throttle new ordered writers */
   struct work_struct j_work;
   atomic_t j_async_throttle;
 };
 
+enum journal_state_bits {
+    J_WRITERS_BLOCKED = 1,   /* set when new writers not allowed */
+    J_WRITERS_QUEUED,        /* set when log is full due to too many writers */
+    J_ABORTED,               /* set when log is aborted */
+};
+
+
 #define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick.  magic string to find desc blocks in the journal */
 
 typedef __u32 (*hashf_t) (const signed char *, int);
@@ -399,6 +409,7 @@ struct reiserfs_sb_info
     struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */
     struct rw_semaphore xattr_dir_sem;
 
+    int j_errno;
 };
 
 /* Definitions of reiserfs on-disk properties: */
@@ -447,6 +458,11 @@ enum reiserfs_mount_options {
     REISERFS_BARRIER_NONE,
     REISERFS_BARRIER_FLUSH,
 
+    /* Actions on error */
+    REISERFS_ERROR_PANIC,
+    REISERFS_ERROR_RO,
+    REISERFS_ERROR_CONTINUE,
+
     REISERFS_TEST1,
     REISERFS_TEST2,
     REISERFS_TEST3,
@@ -478,6 +494,10 @@ enum reiserfs_mount_options {
 #define reiserfs_barrier_none(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_BARRIER_NONE))
 #define reiserfs_barrier_flush(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_BARRIER_FLUSH))
 
+#define reiserfs_error_panic(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_PANIC))
+#define reiserfs_error_ro(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_RO))
+#define reiserfs_error_continue(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_CONTINUE))
+
 void reiserfs_file_buffer (struct buffer_head * bh, int list);
 extern struct file_system_type reiserfs_fs_type;
 int reiserfs_resize(struct super_block *, unsigned long) ;
@@ -494,12 +514,6 @@ int reiserfs_resize(struct super_block *, unsigned long) ;
 
 #define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->)
 
-#define SB_JOURNAL_TRANS_MAX(s)      (SB_JOURNAL(s)->s_journal_trans_max)
-#define SB_JOURNAL_MAX_BATCH(s)      (SB_JOURNAL(s)->s_journal_max_batch)
-#define SB_JOURNAL_MAX_COMMIT_AGE(s) (SB_JOURNAL(s)->s_journal_max_commit_age)
-#define SB_JOURNAL_DEFAULT_MAX_COMMIT_AGE(s) (SB_JOURNAL(s)->s_journal_default_max_commit_age)
-#define SB_JOURNAL_MAX_TRANS_AGE(s)  (SB_JOURNAL(s)->s_journal_max_trans_age)
-
 /* A safe version of the "bdevname", which returns the "s_id" field of
  * a superblock or else "Null superblock" if the super block is NULL.
  */
@@ -508,4 +522,10 @@ static inline char *reiserfs_bdevname(struct super_block *s)
         return (s == NULL) ? "Null superblock" : s -> s_id;
 }
 
+#define reiserfs_is_journal_aborted(journal) (unlikely (__reiserfs_is_journal_aborted (journal)))
+static inline int __reiserfs_is_journal_aborted (struct reiserfs_journal *journal)
+{
+    return test_bit (J_ABORTED, &journal->j_state);
+}
+
 #endif	/* _LINUX_REISER_FS_SB */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8810b551082a..dc3f297a726d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -29,6 +29,7 @@
 #include <linux/completion.h>
 #include <linux/pid.h>
 #include <linux/percpu.h>
+#include <linux/topology.h>
 
 struct exec_domain;
 
@@ -107,8 +108,8 @@ extern unsigned long nr_iowait(void);
 #define TASK_UNINTERRUPTIBLE	2
 #define TASK_STOPPED		4
 #define TASK_TRACED		8
-#define TASK_ZOMBIE		16
-#define TASK_DEAD		32
+#define EXIT_ZOMBIE		16
+#define EXIT_DEAD		32
 
 #define __set_task_state(tsk, state_value)		\
 	do { (tsk)->state = (state_value); } while (0)
@@ -312,6 +313,17 @@ struct signal_struct {
 	unsigned long utime, stime, cutime, cstime;
 	unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
 	unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
+
+	/*
+	 * We don't bother to synchronize most readers of this at all,
+	 * because there is no reader checking a limit that actually needs
+	 * to get both rlim_cur and rlim_max atomically, and either one
+	 * alone is a single word that can safely be read normally.
+	 * getrlimit/setrlimit use task_lock(current->group_leader) to
+	 * protect this instead of the siglock, because they really
+	 * have no need to disable irqs.
+	 */
+	struct rlimit rlim[RLIM_NLIMITS];
 };
 
 /*
@@ -395,6 +407,86 @@ struct sched_info {
 extern struct file_operations proc_schedstat_operations;
 #endif
 
+enum idle_type
+{
+	SCHED_IDLE,
+	NOT_IDLE,
+	NEWLY_IDLE,
+	MAX_IDLE_TYPES
+};
+
+/*
+ * sched-domains (multiprocessor balancing) declarations:
+ */
+#ifdef CONFIG_SMP
+#define SCHED_LOAD_SCALE	128UL	/* increase resolution of load */
+
+#define SD_LOAD_BALANCE		1	/* Do load balancing on this domain. */
+#define SD_BALANCE_NEWIDLE	2	/* Balance when about to become idle */
+#define SD_BALANCE_EXEC		4	/* Balance on exec */
+#define SD_WAKE_IDLE		8	/* Wake to idle CPU on task wakeup */
+#define SD_WAKE_AFFINE		16	/* Wake task to waking CPU */
+#define SD_WAKE_BALANCE		32	/* Perform balancing at task wakeup */
+#define SD_SHARE_CPUPOWER	64	/* Domain members share cpu power */
+
+struct sched_group {
+	struct sched_group *next;	/* Must be a circular list */
+	cpumask_t cpumask;
+
+	/*
+	 * CPU power of this group, SCHED_LOAD_SCALE being max power for a
+	 * single CPU. This is read only (except for setup, hotplug CPU).
+	 */
+	unsigned long cpu_power;
+};
+
+struct sched_domain {
+	/* These fields must be setup */
+	struct sched_domain *parent;	/* top domain must be null terminated */
+	struct sched_group *groups;	/* the balancing groups of the domain */
+	cpumask_t span;			/* span of all CPUs in this domain */
+	unsigned long min_interval;	/* Minimum balance interval ms */
+	unsigned long max_interval;	/* Maximum balance interval ms */
+	unsigned int busy_factor;	/* less balancing by factor if busy */
+	unsigned int imbalance_pct;	/* No balance until over watermark */
+	unsigned long long cache_hot_time; /* Task considered cache hot (ns) */
+	unsigned int cache_nice_tries;	/* Leave cache hot tasks for # tries */
+	unsigned int per_cpu_gain;	/* CPU % gained by adding domain cpus */
+	int flags;			/* See SD_* */
+
+	/* Runtime fields. */
+	unsigned long last_balance;	/* init to jiffies. units in jiffies */
+	unsigned int balance_interval;	/* initialise to 1. units in ms. */
+	unsigned int nr_balance_failed; /* initialise to 0 */
+
+#ifdef CONFIG_SCHEDSTATS
+	/* load_balance() stats */
+	unsigned long lb_cnt[MAX_IDLE_TYPES];
+	unsigned long lb_failed[MAX_IDLE_TYPES];
+	unsigned long lb_imbalance[MAX_IDLE_TYPES];
+	unsigned long lb_nobusyg[MAX_IDLE_TYPES];
+	unsigned long lb_nobusyq[MAX_IDLE_TYPES];
+
+	/* sched_balance_exec() stats */
+	unsigned long sbe_attempts;
+	unsigned long sbe_pushed;
+
+	/* try_to_wake_up() stats */
+	unsigned long ttwu_wake_affine;
+	unsigned long ttwu_wake_balance;
+#endif
+};
+
+#ifdef ARCH_HAS_SCHED_DOMAIN
+/* Useful helpers that arch setup code may use. Defined in kernel/sched.c */
+extern cpumask_t cpu_isolated_map;
+extern void init_sched_build_groups(struct sched_group groups[],
+	                        cpumask_t span, int (*group_fn)(int cpu));
+extern void cpu_attach_domain(struct sched_domain *sd, int cpu);
+#endif /* ARCH_HAS_SCHED_DOMAIN */
+#endif /* CONFIG_SMP */
+
+
 struct io_context;			/* See blkdev.h */
 void exit_io_context(void);
 
@@ -472,6 +564,7 @@ struct task_struct {
 
 /* task state */
 	struct linux_binfmt *binfmt;
+	long exit_state;
 	int exit_code, exit_signal;
 	int pdeath_signal;  /*  The signal sent when the parent dies  */
 	/* ??? */
@@ -518,8 +611,6 @@ struct task_struct {
 	kernel_cap_t   cap_effective, cap_inheritable, cap_permitted;
 	unsigned keep_capabilities:1;
 	struct user_struct *user;
-/* limits */
-	struct rlimit rlim[RLIM_NLIMITS];
 	unsigned short used_math;
 	char comm[16];
 /* file system info */
diff --git a/include/linux/security.h b/include/linux/security.h
index 983d7c2265bc..a1dee9a60587 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -582,7 +582,7 @@ struct swap_info_struct;
  * @task_setrlimit:
  *	Check permission before setting the resource limits of the current
  *	process for @resource to @new_rlim.  The old resource limit values can
- *	be examined by dereferencing (current->rlim + resource).
+ *	be examined by dereferencing (current->signal->rlim + resource).
  *	@resource contains the resource whose limit is being set.
  *	@new_rlim contains the new limits for @resource.
  *	Return 0 if permission is granted.
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index bd26cf298d9a..2a8c7faf2dcc 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -489,6 +489,7 @@ asmlinkage long sys_nfsservctl(int cmd,
 				void __user *res);
 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 asmlinkage long sys_uselib(const char __user *library);
+asmlinkage long sys_setaltroot(const char __user *altroot);
 asmlinkage long sys_ni_syscall(void);
 
 #endif
diff --git a/include/linux/topology.h b/include/linux/topology.h
index fbaa8774a431..10df2542653b 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -61,4 +61,76 @@ static inline int __next_node_with_cpus(int node)
 #define PENALTY_FOR_NODE_WITH_CPUS	(1)
 #endif
 
+/*
+ * Below are the 3 major initializers used in building sched_domains:
+ * SD_SIBLING_INIT, for SMT domains
+ * SD_CPU_INIT, for SMP domains
+ * SD_NODE_INIT, for NUMA domains
+ *
+ * Any architecture that cares to do any tuning to these values should do so
+ * by defining their own arch-specific initializer in include/asm/topology.h.
+ * A definition there will automagically override these default initializers
+ * and allow arch-specific performance tuning of sched_domains.
+ */
+#ifdef CONFIG_SCHED_SMT
+/* MCD - Do we really need this?  It is always on if CONFIG_SCHED_SMT is,
+ * so can't we drop this in favor of CONFIG_SCHED_SMT?
+ */
+#define ARCH_HAS_SCHED_WAKE_IDLE
+/* Common values for SMT siblings */
+#ifndef SD_SIBLING_INIT
+#define SD_SIBLING_INIT (struct sched_domain) {		\
+	.span			= CPU_MASK_NONE,	\
+	.parent			= NULL,			\
+	.groups			= NULL,			\
+	.min_interval		= 1,			\
+	.max_interval		= 2,			\
+	.busy_factor		= 8,			\
+	.imbalance_pct		= 110,			\
+	.cache_hot_time		= 0,			\
+	.cache_nice_tries	= 0,			\
+	.per_cpu_gain		= 25,			\
+	.flags			= SD_LOAD_BALANCE	\
+				| SD_BALANCE_NEWIDLE	\
+				| SD_BALANCE_EXEC	\
+				| SD_WAKE_AFFINE	\
+				| SD_WAKE_IDLE		\
+				| SD_SHARE_CPUPOWER,	\
+	.last_balance		= jiffies,		\
+	.balance_interval	= 1,			\
+	.nr_balance_failed	= 0,			\
+}
+#endif
+#endif /* CONFIG_SCHED_SMT */
+
+/* Common values for CPUs */
+#ifndef SD_CPU_INIT
+#define SD_CPU_INIT (struct sched_domain) {		\
+	.span			= CPU_MASK_NONE,	\
+	.parent			= NULL,			\
+	.groups			= NULL,			\
+	.min_interval		= 1,			\
+	.max_interval		= 4,			\
+	.busy_factor		= 64,			\
+	.imbalance_pct		= 125,			\
+	.cache_hot_time		= (5*1000/2),		\
+	.cache_nice_tries	= 1,			\
+	.per_cpu_gain		= 100,			\
+	.flags			= SD_LOAD_BALANCE	\
+				| SD_BALANCE_NEWIDLE	\
+				| SD_BALANCE_EXEC	\
+				| SD_WAKE_AFFINE	\
+				| SD_WAKE_BALANCE,	\
+	.last_balance		= jiffies,		\
+	.balance_interval	= 1,			\
+	.nr_balance_failed	= 0,			\
+}
+#endif
+
+#ifdef CONFIG_NUMA
+#ifndef SD_NODE_INIT
+#error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!!
+#endif
+#endif /* CONFIG_NUMA */
+
 #endif /* _LINUX_TOPOLOGY_H */
diff --git a/include/linux/videodev.h b/include/linux/videodev.h
index a15ab1ade452..54767a5c7a07 100644
--- a/include/linux/videodev.h
+++ b/include/linux/videodev.h
@@ -433,6 +433,7 @@ struct video_code
 #define VID_HARDWARE_W9968CF	36
 #define VID_HARDWARE_SAA7114H   37
 #define VID_HARDWARE_SN9C102	38
+#define VID_HARDWARE_ARV	39
 #endif /* __LINUX_VIDEODEV_H */
 
 /*