Merge branch 'master' of /home/trondmy/kernel/linux-2.6/

141 files changed, 2418 insertions, 665 deletions

diff --git a/include/Kbuild b/include/Kbuild
new file mode 100644
index 00000000000..cb2534800b1
--- /dev/null
+++ b/include/Kbuild
@@ -0,0 +1,2 @@
+header-y += asm-generic/ linux/ scsi/ sound/ mtd/ rdma/ video/
+header-y += asm-$(ARCH)/ 
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 4bb38068f40..f1ac6109556 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -726,7 +726,7 @@
 
 #define ACPI_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
 #define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_FREE(a)                acpi_os_free(a)
+#define ACPI_FREE(a)                kfree(a)
 #define ACPI_MEM_TRACKING(a)
 
 #else
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 89bc4a16c2e..0cd63bce0ae 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -143,8 +143,6 @@ void acpi_os_release_mutex(acpi_mutex handle);
  */
 void *acpi_os_allocate(acpi_size size);
 
-void acpi_os_free(void *memory);
-
 acpi_status
 acpi_os_map_memory(acpi_physical_address physical_address,
 		   acpi_size size, void __iomem ** logical_address);
diff --git a/include/asm-alpha/Kbuild b/include/asm-alpha/Kbuild
new file mode 100644
index 00000000000..e57fd57538b
--- /dev/null
+++ b/include/asm-alpha/Kbuild
@@ -0,0 +1,5 @@
+include include/asm-generic/Kbuild.asm
+
+unifdef-y += console.h fpu.h sysinfo.h
+
+header-y += gentrap.h regdef.h pal.h reg.h
diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h
index fafdd4f7010..1570c0b5433 100644
--- a/include/asm-alpha/rwsem.h
+++ b/include/asm-alpha/rwsem.h
@@ -36,20 +36,11 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
-#endif
 };
 
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT	/* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	LIST_HEAD_INIT((name).wait_list) __RWSEM_DEBUG_INIT }
+	LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -59,9 +50,6 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
 }
 
 static inline void __down_read(struct rw_semaphore *sem)
diff --git a/include/asm-arm/Kbuild b/include/asm-arm/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-arm/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-arm26/Kbuild b/include/asm-arm26/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-arm26/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-cris/Kbuild b/include/asm-cris/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-cris/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-frv/Kbuild b/include/asm-frv/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-frv/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
new file mode 100644
index 00000000000..70594b275a6
--- /dev/null
+++ b/include/asm-generic/Kbuild
@@ -0,0 +1,3 @@
+header-y += atomic.h errno-base.h errno.h fcntl.h ioctl.h ipc.h mman.h \
+	signal.h statfs.h
+unifdef-y := resource.h siginfo.h
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
new file mode 100644
index 00000000000..d8d0bcecd23
--- /dev/null
+++ b/include/asm-generic/Kbuild.asm
@@ -0,0 +1,11 @@
+unifdef-y += a.out.h auxvec.h byteorder.h errno.h fcntl.h ioctl.h	\
+	ioctls.h ipcbuf.h irq.h mman.h msgbuf.h param.h poll.h		\
+	posix_types.h ptrace.h resource.h sembuf.h shmbuf.h shmparam.h	\
+	sigcontext.h siginfo.h signal.h socket.h sockios.h stat.h	\
+	statfs.h termbits.h termios.h timex.h types.h unistd.h user.h
+
+# These really shouldn't be exported
+unifdef-y += atomic.h io.h
+
+# These probably shouldn't be exported
+unifdef-y += elf.h page.h
diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h
index 6f178563e33..09204e40d66 100644
--- a/include/asm-generic/cputime.h
+++ b/include/asm-generic/cputime.h
@@ -24,7 +24,9 @@ typedef u64 cputime64_t;
 
 #define cputime64_zero (0ULL)
 #define cputime64_add(__a, __b)		((__a) + (__b))
+#define cputime64_sub(__a, __b)		((__a) - (__b))
 #define cputime64_to_jiffies64(__ct)	(__ct)
+#define jiffies64_to_cputime64(__jif)	(__jif)
 #define cputime_to_cputime64(__ct)	((u64) __ct)
 
 
diff --git a/include/asm-generic/mutex-null.h b/include/asm-generic/mutex-null.h
index 5cf8b7ce0c4..254a126ede5 100644
--- a/include/asm-generic/mutex-null.h
+++ b/include/asm-generic/mutex-null.h
@@ -10,15 +10,10 @@
 #ifndef _ASM_GENERIC_MUTEX_NULL_H
 #define _ASM_GENERIC_MUTEX_NULL_H
 
-/* extra parameter only needed for mutex debugging: */
-#ifndef __IP__
-# define __IP__
-#endif
-
-#define __mutex_fastpath_lock(count, fail_fn)	      fail_fn(count __RET_IP__)
-#define __mutex_fastpath_lock_retval(count, fail_fn)  fail_fn(count __RET_IP__)
-#define __mutex_fastpath_unlock(count, fail_fn)       fail_fn(count __RET_IP__)
-#define __mutex_fastpath_trylock(count, fail_fn)      fail_fn(count)
-#define __mutex_slowpath_needs_to_unlock()	      1
+#define __mutex_fastpath_lock(count, fail_fn)		fail_fn(count)
+#define __mutex_fastpath_lock_retval(count, fail_fn)	fail_fn(count)
+#define __mutex_fastpath_unlock(count, fail_fn)		fail_fn(count)
+#define __mutex_fastpath_trylock(count, fail_fn)	fail_fn(count)
+#define __mutex_slowpath_needs_to_unlock()		1
 
 #endif
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index c7452115746..e160e04290f 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -7,6 +7,8 @@
 
 extern unsigned long __per_cpu_offset[NR_CPUS];
 
+#define per_cpu_offset(x) (__per_cpu_offset[x])
+
 /* Separate out the type, so (int[3], foo) works. */
 #define DEFINE_PER_CPU(type, name) \
     __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
diff --git a/include/asm-h8300/Kbuild b/include/asm-h8300/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-h8300/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-i386/Kbuild b/include/asm-i386/Kbuild
new file mode 100644
index 00000000000..c064a8e9170
--- /dev/null
+++ b/include/asm-i386/Kbuild
@@ -0,0 +1,5 @@
+include include/asm-generic/Kbuild.asm
+
+header-y += boot.h cpufeature.h debugreg.h ldt.h setup.h ucontext.h
+
+unifdef-y += mtrr.h vm86.h
diff --git a/include/asm-i386/irqflags.h b/include/asm-i386/irqflags.h
new file mode 100644
index 00000000000..e1bdb97c07f
--- /dev/null
+++ b/include/asm-i386/irqflags.h
@@ -0,0 +1,127 @@
+/*
+ * include/asm-i386/irqflags.h
+ *
+ * IRQ flags handling
+ *
+ * This file gets included from lowlevel asm headers too, to provide
+ * wrapped versions of the local_irq_*() APIs, based on the
+ * raw_local_irq_*() functions from the lowlevel headers.
+ */
+#ifndef _ASM_IRQFLAGS_H
+#define _ASM_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned long __raw_local_save_flags(void)
+{
+	unsigned long flags;
+
+	__asm__ __volatile__(
+		"pushfl ; popl %0"
+		: "=g" (flags)
+		: /* no input */
+	);
+
+	return flags;
+}
+
+#define raw_local_save_flags(flags) \
+		do { (flags) = __raw_local_save_flags(); } while (0)
+
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+	__asm__ __volatile__(
+		"pushl %0 ; popfl"
+		: /* no output */
+		:"g" (flags)
+		:"memory", "cc"
+	);
+}
+
+static inline void raw_local_irq_disable(void)
+{
+	__asm__ __volatile__("cli" : : : "memory");
+}
+
+static inline void raw_local_irq_enable(void)
+{
+	__asm__ __volatile__("sti" : : : "memory");
+}
+
+/*
+ * Used in the idle loop; sti takes one instruction cycle
+ * to complete:
+ */
+static inline void raw_safe_halt(void)
+{
+	__asm__ __volatile__("sti; hlt" : : : "memory");
+}
+
+/*
+ * Used when interrupts are already enabled or to
+ * shutdown the processor:
+ */
+static inline void halt(void)
+{
+	__asm__ __volatile__("hlt": : :"memory");
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & (1 << 9));
+}
+
+static inline int raw_irqs_disabled(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	return raw_irqs_disabled_flags(flags);
+}
+
+/*
+ * For spinlocks, etc:
+ */
+static inline unsigned long __raw_local_irq_save(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	raw_local_irq_disable();
+
+	return flags;
+}
+
+#define raw_local_irq_save(flags) \
+		do { (flags) = __raw_local_irq_save(); } while (0)
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Do the CPU's IRQ-state tracing from assembly code. We call a
+ * C function, so save all the C-clobbered registers:
+ */
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+# define TRACE_IRQS_ON				\
+	pushl %eax;				\
+	pushl %ecx;				\
+	pushl %edx;				\
+	call trace_hardirqs_on;			\
+	popl %edx;				\
+	popl %ecx;				\
+	popl %eax;
+
+# define TRACE_IRQS_OFF				\
+	pushl %eax;				\
+	pushl %ecx;				\
+	pushl %edx;				\
+	call trace_hardirqs_off;		\
+	popl %edx;				\
+	popl %ecx;				\
+	popl %eax;
+
+#else
+# define TRACE_IRQS_ON
+# define TRACE_IRQS_OFF
+#endif
+
+#endif
diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h
index be4ab859238..2f07601562e 100644
--- a/include/asm-i386/rwsem.h
+++ b/include/asm-i386/rwsem.h
@@ -40,6 +40,7 @@
 
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include <linux/lockdep.h>
 
 struct rwsem_waiter;
 
@@ -61,36 +62,34 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
 #endif
 };
 
-/*
- * initialisation
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }
 #else
-#define __RWSEM_DEBUG_INIT	/* */
+# define __RWSEM_DEP_MAP_INIT(lockname)
 #endif
 
+
 #define __RWSEM_INITIALIZER(name) \
 { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \
-	__RWSEM_DEBUG_INIT }
+	__RWSEM_DEP_MAP_INIT(name) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
 
-static inline void init_rwsem(struct rw_semaphore *sem)
-{
-	sem->count = RWSEM_UNLOCKED_VALUE;
-	spin_lock_init(&sem->wait_lock);
-	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
-}
+extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
+			 struct lock_class_key *key);
+
+#define init_rwsem(sem)						\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__init_rwsem((sem), #sem, &__key);			\
+} while (0)
 
 /*
  * lock for reading
@@ -143,7 +142,7 @@ LOCK_PREFIX	"  cmpxchgl  %2,%0\n\t"
 /*
  * lock for writing
  */
-static inline void __down_write(struct rw_semaphore *sem)
+static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
 {
 	int tmp;
 
@@ -167,6 +166,11 @@ LOCK_PREFIX	"  xadd      %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns the
 		: "memory", "cc");
 }
 
+static inline void __down_write(struct rw_semaphore *sem)
+{
+	__down_write_nested(sem, 0);
+}
+
 /*
  * trylock for writing -- returns 1 if successful, 0 if contention
  */
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index 04ba30234c4..87c40f83065 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -31,6 +31,11 @@
 	"jmp 1b\n" \
 	"3:\n\t"
 
+/*
+ * NOTE: there's an irqs-on section here, which normally would have to be
+ * irq-traced, but on CONFIG_TRACE_IRQFLAGS we never use
+ * __raw_spin_lock_string_flags().
+ */
 #define __raw_spin_lock_string_flags \
 	"\n1:\t" \
 	"lock ; decb %0\n\t" \
@@ -63,6 +68,12 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 		"=m" (lock->slock) : : "memory");
 }
 
+/*
+ * It is easier for the lock validator if interrupts are not re-enabled
+ * in the middle of a lock-acquire. This is a performance feature anyway
+ * so we turn it off:
+ */
+#ifndef CONFIG_PROVE_LOCKING
 static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
 {
 	alternative_smp(
@@ -70,6 +81,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla
 		__raw_spin_lock_string_up,
 		"=m" (lock->slock) : "r" (flags) : "memory");
 }
+#endif
 
 static inline int __raw_spin_trylock(raw_spinlock_t *lock)
 {
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index cab0180567f..db398d88b1d 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -456,25 +456,7 @@ static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long l
 
 #define set_wmb(var, value) do { var = value; wmb(); } while (0)
 
-/* interrupt control.. */
-#define local_save_flags(x)	do { typecheck(unsigned long,x); __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */); } while (0)
-#define local_irq_restore(x) 	do { typecheck(unsigned long,x); __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory", "cc"); } while (0)
-#define local_irq_disable() 	__asm__ __volatile__("cli": : :"memory")
-#define local_irq_enable()	__asm__ __volatile__("sti": : :"memory")
-/* used in the idle loop; sti takes one instruction cycle to complete */
-#define safe_halt()		__asm__ __volatile__("sti; hlt": : :"memory")
-/* used when interrupts are already enabled or to shutdown the processor */
-#define halt()			__asm__ __volatile__("hlt": : :"memory")
-
-#define irqs_disabled()			\
-({					\
-	unsigned long flags;		\
-	local_save_flags(flags);	\
-	!(flags & (1<<9));		\
-})
-
-/* For spinlocks etc */
-#define local_irq_save(x)	__asm__ __volatile__("pushfl ; popl %0 ; cli":"=g" (x): /* no input */ :"memory")
+#include <linux/irqflags.h>
 
 /*
  * disable hlt during certain critical i/o operations
diff --git a/include/asm-ia64/Kbuild b/include/asm-ia64/Kbuild
new file mode 100644
index 00000000000..85d6f8005eb
--- /dev/null
+++ b/include/asm-ia64/Kbuild
@@ -0,0 +1,7 @@
+include include/asm-generic/Kbuild.asm
+
+header-y += break.h fpu.h fpswa.h gcc_intrin.h ia64regs.h		\
+	 intel_intrin.h intrinsics.h perfmon_default_smpl.h	\
+	 ptrace_offsets.h rse.h setup.h ucontext.h
+
+unifdef-y += perfmon.h
diff --git a/include/asm-ia64/irq.h b/include/asm-ia64/irq.h
index 8acb00190d5..79479e2c696 100644
--- a/include/asm-ia64/irq.h
+++ b/include/asm-ia64/irq.h
@@ -14,8 +14,6 @@
 #define NR_IRQS		256
 #define NR_IRQ_VECTORS	NR_IRQS
 
-#define IRQF_PERCPU	0x02000000
-
 static __inline__ int
 irq_canonicalize (int irq)
 {
diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
index 24d898b650c..fbe5cf3ab8d 100644
--- a/include/asm-ia64/percpu.h
+++ b/include/asm-ia64/percpu.h
@@ -36,6 +36,7 @@
 #ifdef CONFIG_SMP
 
 extern unsigned long __per_cpu_offset[NR_CPUS];
+#define per_cpu_offset(x) (__per_cpu_offset(x))
 
 /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
 DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
diff --git a/include/asm-ia64/rwsem.h b/include/asm-ia64/rwsem.h
index 1327c91ea39..2d1640cc240 100644
--- a/include/asm-ia64/rwsem.h
+++ b/include/asm-ia64/rwsem.h
@@ -33,9 +33,6 @@ struct rw_semaphore {
 	signed long		count;
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
-#endif
 };
 
 #define RWSEM_UNLOCKED_VALUE		__IA64_UL_CONST(0x0000000000000000)
@@ -45,19 +42,9 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_READ_BIAS		RWSEM_ACTIVE_BIAS
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 
-/*
- * initialization
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT	/* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	  LIST_HEAD_INIT((name).wait_list) \
-	  __RWSEM_DEBUG_INIT }
+	  LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -73,9 +60,6 @@ init_rwsem (struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
 }
 
 /*
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 8bc9869e576..8adcde0934c 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -68,7 +68,7 @@ struct thread_info {
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
-#define alloc_task_struct()	((task_t *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
+#define alloc_task_struct()	((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
 #define free_task_struct(tsk)	free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
 #endif /* !__ASSEMBLY */
diff --git a/include/asm-m32r/Kbuild b/include/asm-m32r/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-m32r/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 66c4742f09e..311cebf44ef 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -18,7 +18,7 @@
  * switch_to(prev, next) should switch from task `prev' to `next'
  * `prev' will never be the same as `next'.
  *
- * `next' and `prev' should be task_t, but it isn't always defined
+ * `next' and `prev' should be struct task_struct, but it isn't always defined
  */
 
 #define switch_to(prev, next, last)  do { \
diff --git a/include/asm-m68k/Kbuild b/include/asm-m68k/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-m68k/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-m68knommu/Kbuild b/include/asm-m68knommu/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-m68knommu/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-mips/Kbuild b/include/asm-mips/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-mips/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-parisc/Kbuild b/include/asm-parisc/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-parisc/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-powerpc/Kbuild b/include/asm-powerpc/Kbuild
new file mode 100644
index 00000000000..ac61d7eb602
--- /dev/null
+++ b/include/asm-powerpc/Kbuild
@@ -0,0 +1,10 @@
+include include/asm-generic/Kbuild.asm
+
+unifdef-y += a.out.h asm-compat.h bootx.h byteorder.h cputable.h elf.h	\
+	nvram.h param.h posix_types.h ptrace.h seccomp.h signal.h	\
+	termios.h types.h unistd.h
+
+header-y += auxvec.h ioctls.h mman.h sembuf.h siginfo.h stat.h errno.h	\
+	ipcbuf.h msgbuf.h shmbuf.h socket.h termbits.h fcntl.h ipc.h	\
+	poll.h shmparam.h sockios.h ucontext.h ioctl.h linkage.h	\
+	resource.h sigcontext.h statfs.h
diff --git a/include/asm-powerpc/i8259.h b/include/asm-powerpc/i8259.h
index 0392159e16e..c80e113052c 100644
--- a/include/asm-powerpc/i8259.h
+++ b/include/asm-powerpc/i8259.h
@@ -4,11 +4,13 @@
 
 #include <linux/irq.h>
 
-extern struct hw_interrupt_type i8259_pic;
-
+#ifdef CONFIG_PPC_MERGE
+extern void i8259_init(struct device_node *node, unsigned long intack_addr);
+extern unsigned int i8259_irq(struct pt_regs *regs);
+#else
 extern void i8259_init(unsigned long intack_addr, int offset);
 extern int i8259_irq(struct pt_regs *regs);
-extern int i8259_irq_cascade(struct pt_regs *regs, void *unused);
+#endif
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_I8259_H */
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index eb5f33e1977..e0575475202 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -9,26 +9,14 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#include <linux/config.h>
 #include <linux/threads.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
 
 #include <asm/types.h>
 #include <asm/atomic.h>
 
-/* this number is used when no interrupt has been assigned */
-#define NO_IRQ			(-1)
-
-/*
- * These constants are used for passing information about interrupt
- * signal polarity and level/edge sensing to the low-level PIC chip
- * drivers.
- */
-#define IRQ_SENSE_MASK		0x1
-#define IRQ_SENSE_LEVEL		0x1	/* interrupt on active level */
-#define IRQ_SENSE_EDGE		0x0	/* interrupt triggered by edge */
-
-#define IRQ_POLARITY_MASK	0x2
-#define IRQ_POLARITY_POSITIVE	0x2	/* high level or low->high edge */
-#define IRQ_POLARITY_NEGATIVE	0x0	/* low level or high->low edge */
 
 #define get_irq_desc(irq) (&irq_desc[(irq)])
 
@@ -36,50 +24,325 @@
 #define for_each_irq(i) \
 	for ((i) = 0; (i) < NR_IRQS; ++(i))
 
-#ifdef CONFIG_PPC64
+extern atomic_t ppc_n_lost_interrupts;
 
-/*
- * Maximum number of interrupt sources that we can handle.
+#ifdef CONFIG_PPC_MERGE
+
+/* This number is used when no interrupt has been assigned */
+#define NO_IRQ			(0)
+
+/* This is a special irq number to return from get_irq() to tell that
+ * no interrupt happened _and_ ignore it (don't count it as bad). Some
+ * platforms like iSeries rely on that.
  */
+#define NO_IRQ_IGNORE		((unsigned int)-1)
+
+/* Total number of virq in the platform (make it a CONFIG_* option ? */
 #define NR_IRQS		512
 
-/* Interrupt numbers are virtual in case they are sparsely
- * distributed by the hardware.
+/* Number of irqs reserved for the legacy controller */
+#define NUM_ISA_INTERRUPTS	16
+
+/* This type is the placeholder for a hardware interrupt number. It has to
+ * be big enough to enclose whatever representation is used by a given
+ * platform.
+ */
+typedef unsigned long irq_hw_number_t;
+
+/* Interrupt controller "host" data structure. This could be defined as a
+ * irq domain controller. That is, it handles the mapping between hardware
+ * and virtual interrupt numbers for a given interrupt domain. The host
+ * structure is generally created by the PIC code for a given PIC instance
+ * (though a host can cover more than one PIC if they have a flat number
+ * model). It's the host callbacks that are responsible for setting the
+ * irq_chip on a given irq_desc after it's been mapped.
+ *
+ * The host code and data structures are fairly agnostic to the fact that
+ * we use an open firmware device-tree. We do have references to struct
+ * device_node in two places: in irq_find_host() to find the host matching
+ * a given interrupt controller node, and of course as an argument to its
+ * counterpart host->ops->match() callback. However, those are treated as
+ * generic pointers by the core and the fact that it's actually a device-node
+ * pointer is purely a convention between callers and implementation. This
+ * code could thus be used on other architectures by replacing those two
+ * by some sort of arch-specific void * "token" used to identify interrupt
+ * controllers.
  */
-extern unsigned int virt_irq_to_real_map[NR_IRQS];
+struct irq_host;
+struct radix_tree_root;
 
-/* The maximum virtual IRQ number that we support.  This
- * can be set by the platform and will be reduced by the
- * value of __irq_offset_value.  It defaults to and is
- * capped by (NR_IRQS - 1).
+/* Functions below are provided by the host and called whenever a new mapping
+ * is created or an old mapping is disposed. The host can then proceed to
+ * whatever internal data structures management is required. It also needs
+ * to setup the irq_desc when returning from map().
  */
-extern unsigned int virt_irq_max;
+struct irq_host_ops {
+	/* Match an interrupt controller device node to a host, returns
+	 * 1 on a match
+	 */
+	int (*match)(struct irq_host *h, struct device_node *node);
+
+	/* Create or update a mapping between a virtual irq number and a hw
+	 * irq number. This can be called several times for the same mapping
+	 * but with different flags, though unmap shall always be called
+	 * before the virq->hw mapping is changed.
+	 */
+	int (*map)(struct irq_host *h, unsigned int virq,
+		   irq_hw_number_t hw, unsigned int flags);
+
+	/* Dispose of such a mapping */
+	void (*unmap)(struct irq_host *h, unsigned int virq);
+
+	/* Translate device-tree interrupt specifier from raw format coming
+	 * from the firmware to a irq_hw_number_t (interrupt line number) and
+	 * trigger flags that can be passed to irq_create_mapping().
+	 * If no translation is provided, raw format is assumed to be one cell
+	 * for interrupt line and default sense.
+	 */
+	int (*xlate)(struct irq_host *h, struct device_node *ctrler,
+		     u32 *intspec, unsigned int intsize,
+		     irq_hw_number_t *out_hwirq, unsigned int *out_flags);
+};
+
+struct irq_host {
+	struct list_head	link;
+
+	/* type of reverse mapping technique */
+	unsigned int		revmap_type;
+#define IRQ_HOST_MAP_LEGACY     0 /* legacy 8259, gets irqs 1..15 */
+#define IRQ_HOST_MAP_NOMAP	1 /* no fast reverse mapping */
+#define IRQ_HOST_MAP_LINEAR	2 /* linear map of interrupts */
+#define IRQ_HOST_MAP_TREE	3 /* radix tree */
+	union {
+		struct {
+			unsigned int size;
+			unsigned int *revmap;
+		} linear;
+		struct radix_tree_root tree;
+	} revmap_data;
+	struct irq_host_ops	*ops;
+	void			*host_data;
+	irq_hw_number_t		inval_irq;
+};
+
+/* The main irq map itself is an array of NR_IRQ entries containing the
+ * associate host and irq number. An entry with a host of NULL is free.
+ * An entry can be allocated if it's free, the allocator always then sets
+ * hwirq first to the host's invalid irq number and then fills ops.
+ */
+struct irq_map_entry {
+	irq_hw_number_t	hwirq;
+	struct irq_host	*host;
+};
+
+extern struct irq_map_entry irq_map[NR_IRQS];
+
 
-/* Create a mapping for a real_irq if it doesn't already exist.
- * Return the virtual irq as a convenience.
+/***
+ * irq_alloc_host - Allocate a new irq_host data structure
+ * @node: device-tree node of the interrupt controller
+ * @revmap_type: type of reverse mapping to use
+ * @revmap_arg: for IRQ_HOST_MAP_LINEAR linear only: size of the map
+ * @ops: map/unmap host callbacks
+ * @inval_irq: provide a hw number in that host space that is always invalid
+ *
+ * Allocates and initialize and irq_host structure. Note that in the case of
+ * IRQ_HOST_MAP_LEGACY, the map() callback will be called before this returns
+ * for all legacy interrupts except 0 (which is always the invalid irq for
+ * a legacy controller). For a IRQ_HOST_MAP_LINEAR, the map is allocated by
+ * this call as well. For a IRQ_HOST_MAP_TREE, the radix tree will be allocated
+ * later during boot automatically (the reverse mapping will use the slow path
+ * until that happens).
+ */
+extern struct irq_host *irq_alloc_host(unsigned int revmap_type,
+				       unsigned int revmap_arg,
+				       struct irq_host_ops *ops,
+				       irq_hw_number_t inval_irq);
+
+
+/***
+ * irq_find_host - Locates a host for a given device node
+ * @node: device-tree node of the interrupt controller
+ */
+extern struct irq_host *irq_find_host(struct device_node *node);
+
+
+/***
+ * irq_set_default_host - Set a "default" host
+ * @host: default host pointer
+ *
+ * For convenience, it's possible to set a "default" host that will be used
+ * whenever NULL is passed to irq_create_mapping(). It makes life easier for
+ * platforms that want to manipulate a few hard coded interrupt numbers that
+ * aren't properly represented in the device-tree.
+ */
+extern void irq_set_default_host(struct irq_host *host);
+
+
+/***
+ * irq_set_virq_count - Set the maximum number of virt irqs
+ * @count: number of linux virtual irqs, capped with NR_IRQS
+ *
+ * This is mainly for use by platforms like iSeries who want to program
+ * the virtual irq number in the controller to avoid the reverse mapping
+ */
+extern void irq_set_virq_count(unsigned int count);
+
+
+/***
+ * irq_create_mapping - Map a hardware interrupt into linux virq space
+ * @host: host owning this hardware interrupt or NULL for default host
+ * @hwirq: hardware irq number in that host space
+ * @flags: flags passed to the controller. contains the trigger type among
+ *         others. Use IRQ_TYPE_* defined in include/linux/irq.h
+ *
+ * Only one mapping per hardware interrupt is permitted. Returns a linux
+ * virq number. The flags can be used to provide sense information to the
+ * controller (typically extracted from the device-tree). If no information
+ * is passed, the controller defaults will apply (for example, xics can only
+ * do edge so flags are irrelevant for some pseries specific irqs).
+ *
+ * The device-tree generally contains the trigger info in an encoding that is
+ * specific to a given type of controller. In that case, you can directly use
+ * host->ops->trigger_xlate() to translate that.
+ *
+ * It is recommended that new PICs that don't have existing OF bindings chose
+ * to use a representation of triggers identical to linux.
+ */
+extern unsigned int irq_create_mapping(struct irq_host *host,
+				       irq_hw_number_t hwirq,
+				       unsigned int flags);
+
+
+/***
+ * irq_dispose_mapping - Unmap an interrupt
+ * @virq: linux virq number of the interrupt to unmap
+ */
+extern void irq_dispose_mapping(unsigned int virq);
+
+/***
+ * irq_find_mapping - Find a linux virq from an hw irq number.
+ * @host: host owning this hardware interrupt
+ * @hwirq: hardware irq number in that host space
+ *
+ * This is a slow path, for use by generic code. It's expected that an
+ * irq controller implementation directly calls the appropriate low level
+ * mapping function.
  */
-int virt_irq_create_mapping(unsigned int real_irq);
-void virt_irq_init(void);
+extern unsigned int irq_find_mapping(struct irq_host *host,
+				     irq_hw_number_t hwirq);
 
-static inline unsigned int virt_irq_to_real(unsigned int virt_irq)
+
+/***
+ * irq_radix_revmap - Find a linux virq from a hw irq number.
+ * @host: host owning this hardware interrupt
+ * @hwirq: hardware irq number in that host space
+ *
+ * This is a fast path, for use by irq controller code that uses radix tree
+ * revmaps
+ */
+extern unsigned int irq_radix_revmap(struct irq_host *host,
+				     irq_hw_number_t hwirq);
+
+/***
+ * irq_linear_revmap - Find a linux virq from a hw irq number.
+ * @host: host owning this hardware interrupt
+ * @hwirq: hardware irq number in that host space
+ *
+ * This is a fast path, for use by irq controller code that uses linear
+ * revmaps. It does fallback to the slow path if the revmap doesn't exist
+ * yet and will create the revmap entry with appropriate locking
+ */
+
+extern unsigned int irq_linear_revmap(struct irq_host *host,
+				      irq_hw_number_t hwirq);
+
+
+
+/***
+ * irq_alloc_virt - Allocate virtual irq numbers
+ * @host: host owning these new virtual irqs
+ * @count: number of consecutive numbers to allocate
+ * @hint: pass a hint number, the allocator will try to use a 1:1 mapping
+ *
+ * This is a low level function that is used internally by irq_create_mapping()
+ * and that can be used by some irq controllers implementations for things
+ * like allocating ranges of numbers for MSIs. The revmaps are left untouched.
+ */
+extern unsigned int irq_alloc_virt(struct irq_host *host,
+				   unsigned int count,
+				   unsigned int hint);
+
+/***
+ * irq_free_virt - Free virtual irq numbers
+ * @virq: virtual irq number of the first interrupt to free
+ * @count: number of interrupts to free
+ *
+ * This function is the opposite of irq_alloc_virt. It will not clear reverse
+ * maps, this should be done previously by unmap'ing the interrupt. In fact,
+ * all interrupts covered by the range being freed should have been unmapped
+ * prior to calling this.
+ */
+extern void irq_free_virt(unsigned int virq, unsigned int count);
+
+
+/* -- OF helpers -- */
+
+/* irq_create_of_mapping - Map a hardware interrupt into linux virq space
+ * @controller: Device node of the interrupt controller
+ * @inspec: Interrupt specifier from the device-tree
+ * @intsize: Size of the interrupt specifier from the device-tree
+ *
+ * This function is identical to irq_create_mapping except that it takes
+ * as input informations straight from the device-tree (typically the results
+ * of the of_irq_map_*() functions
+ */
+extern unsigned int irq_create_of_mapping(struct device_node *controller,
+					  u32 *intspec, unsigned int intsize);
+
+
+/* irq_of_parse_and_map - Parse nad Map an interrupt into linux virq space
+ * @device: Device node of the device whose interrupt is to be mapped
+ * @index: Index of the interrupt to map
+ *
+ * This function is a wrapper that chains of_irq_map_one() and
+ * irq_create_of_mapping() to make things easier to callers
+ */
+extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
+
+/* -- End OF helpers -- */
+
+/***
+ * irq_early_init - Init irq remapping subsystem
+ */
+extern void irq_early_init(void);
+
+static __inline__ int irq_canonicalize(int irq)
 {
-	return virt_irq_to_real_map[virt_irq];
+	return irq;
 }
 
-extern unsigned int real_irq_to_virt_slowpath(unsigned int real_irq);
+
+#else /* CONFIG_PPC_MERGE */
+
+/* This number is used when no interrupt has been assigned */
+#define NO_IRQ			(-1)
+#define NO_IRQ_IGNORE		(-2)
+
 
 /*
- * List of interrupt controllers.
+ * These constants are used for passing information about interrupt
+ * signal polarity and level/edge sensing to the low-level PIC chip
+ * drivers.
  */
-#define IC_INVALID    0
-#define IC_OPEN_PIC   1
-#define IC_PPC_XIC    2
-#define IC_CELL_PIC   3
-#define IC_ISERIES    4
+#define IRQ_SENSE_MASK		0x1
+#define IRQ_SENSE_LEVEL		0x1	/* interrupt on active level */
+#define IRQ_SENSE_EDGE		0x0	/* interrupt triggered by edge */
 
-extern u64 ppc64_interrupt_controller;
+#define IRQ_POLARITY_MASK	0x2
+#define IRQ_POLARITY_POSITIVE	0x2	/* high level or low->high edge */
+#define IRQ_POLARITY_NEGATIVE	0x0	/* low level or high->low edge */
 
-#else /* 32-bit */
 
 #if defined(CONFIG_40x)
 #include <asm/ibm4xx.h>
@@ -512,16 +775,11 @@ extern u64 ppc64_interrupt_controller;
 
 #endif /* CONFIG_8260 */
 
-#endif
+#endif /* Whatever way too big #ifdef */
 
 #define NR_MASK_WORDS	((NR_IRQS + 31) / 32)
 /* pedantic: these are long because they are used with set_bit --RR */
 extern unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
-extern atomic_t ppc_n_lost_interrupts;
-
-#define virt_irq_create_mapping(x)	(x)
-
-#endif
 
 /*
  * Because many systems have two overlapping names spaces for
@@ -560,6 +818,7 @@ static __inline__ int irq_canonicalize(int irq)
 		irq = 9;
 	return irq;
 }
+#endif /* CONFIG_PPC_MERGE */
 
 extern int distribute_irqs;
 
@@ -579,9 +838,8 @@ extern struct thread_info *softirq_ctx[NR_CPUS];
 
 extern void irq_ctx_init(void);
 extern void call_do_softirq(struct thread_info *tp);
-extern int call___do_IRQ(int irq, struct pt_regs *regs,
-		struct thread_info *tp);
-
+extern int call_handle_irq(int irq, void *p1, void *p2,
+			   struct thread_info *tp, void *func);
 #else
 #define irq_ctx_init()
 
diff --git a/include/asm-powerpc/irqflags.h b/include/asm-powerpc/irqflags.h
new file mode 100644
index 00000000000..7970cbaeaa5
--- /dev/null
+++ b/include/asm-powerpc/irqflags.h
@@ -0,0 +1,31 @@
+/*
+ * include/asm-powerpc/irqflags.h
+ *
+ * IRQ flags handling
+ *
+ * This file gets included from lowlevel asm headers too, to provide
+ * wrapped versions of the local_irq_*() APIs, based on the
+ * raw_local_irq_*() macros from the lowlevel headers.
+ */
+#ifndef _ASM_IRQFLAGS_H
+#define _ASM_IRQFLAGS_H
+
+/*
+ * Get definitions for raw_local_save_flags(x), etc.
+ */
+#include <asm-powerpc/hw_irq.h>
+
+/*
+ * Do the CPU's IRQ-state tracing from assembly code. We call a
+ * C function, so save all the C-clobbered registers:
+ */
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+#error No support on PowerPC yet for CONFIG_TRACE_IRQFLAGS
+
+#else
+# define TRACE_IRQS_ON
+# define TRACE_IRQS_OFF
+#endif
+
+#endif
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index eba133d149a..c17c1374240 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -97,7 +97,7 @@ struct machdep_calls {
 	void		(*show_percpuinfo)(struct seq_file *m, int i);
 
 	void		(*init_IRQ)(void);
-	int		(*get_irq)(struct pt_regs *);
+	unsigned int	(*get_irq)(struct pt_regs *);
 #ifdef CONFIG_KEXEC
 	void		(*kexec_cpu_down)(int crash_shutdown, int secondary);
 #endif
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index f0d22ac34b9..eb241c99c45 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -114,9 +114,6 @@
 #define MPIC_VEC_TIMER_1	248
 #define MPIC_VEC_TIMER_0	247
 
-/* Type definition of the cascade handler */
-typedef int (*mpic_cascade_t)(struct pt_regs *regs, void *data);
-
 #ifdef CONFIG_MPIC_BROKEN_U3
 /* Fixup table entry */
 struct mpic_irq_fixup
@@ -132,10 +129,19 @@ struct mpic_irq_fixup
 /* The instance data of a given MPIC */
 struct mpic
 {
+	/* The device node of the interrupt controller */
+	struct device_node	*of_node;
+
+	/* The remapper for this MPIC */
+	struct irq_host		*irqhost;
+
 	/* The "linux" controller struct */
-	hw_irq_controller	hc_irq;
+	struct irq_chip		hc_irq;
+#ifdef CONFIG_MPIC_BROKEN_U3
+	struct irq_chip		hc_ht_irq;
+#endif
 #ifdef CONFIG_SMP
-	hw_irq_controller	hc_ipi;
+	struct irq_chip		hc_ipi;
 #endif
 	const char		*name;
 	/* Flags */
@@ -144,20 +150,12 @@ struct mpic
 	unsigned int		isu_size;
 	unsigned int		isu_shift;
 	unsigned int		isu_mask;
-	/* Offset of irq vector numbers */
-	unsigned int		irq_offset;	
 	unsigned int		irq_count;
-	/* Offset of ipi vector numbers */
-	unsigned int		ipi_offset;
 	/* Number of sources */
 	unsigned int		num_sources;
 	/* Number of CPUs */
 	unsigned int		num_cpus;
-	/* cascade handler */
-	mpic_cascade_t		cascade;
-	void			*cascade_data;
-	unsigned int		cascade_vec;
-	/* senses array */
+	/* default senses array */
 	unsigned char		*senses;
 	unsigned int		senses_count;
 
@@ -213,14 +211,11 @@ struct mpic
  * The values in the array start at the first source of the MPIC,
  * that is senses[0] correspond to linux irq "irq_offset".
  */
-extern struct mpic *mpic_alloc(unsigned long phys_addr,
+extern struct mpic *mpic_alloc(struct device_node *node,
+			       unsigned long phys_addr,
 			       unsigned int flags,
 			       unsigned int isu_size,
-			       unsigned int irq_offset,
 			       unsigned int irq_count,
-			       unsigned int ipi_offset,
-			       unsigned char *senses,
-			       unsigned int senses_num,
 			       const char *name);
 
 /* Assign ISUs, to call before mpic_init()
@@ -232,22 +227,27 @@ extern struct mpic *mpic_alloc(unsigned long phys_addr,
 extern void mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
 			    unsigned long phys_addr);
 
+/* Set default sense codes
+ *
+ * @mpic:	controller
+ * @senses:	array of sense codes
+ * @count:	size of above array
+ *
+ * Optionally provide an array (indexed on hardware interrupt numbers
+ * for this MPIC) of default sense codes for the chip. Those are linux
+ * sense codes IRQ_TYPE_*
+ *
+ * The driver gets ownership of the pointer, don't dispose of it or
+ * anything like that. __init only.
+ */
+extern void mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count);
+
+
 /* Initialize the controller. After this has been called, none of the above
  * should be called again for this mpic
  */
 extern void mpic_init(struct mpic *mpic);
 
-/* Setup a cascade. Currently, only one cascade is supported this
- * way, though you can always do a normal request_irq() and add
- * other cascades this way. You should call this _after_ having
- * added all the ISUs
- *
- * @irq_no:	"linux" irq number of the cascade (that is offset'ed vector)
- * @handler:	cascade handler function
- */
-extern void mpic_setup_cascade(unsigned int irq_no, mpic_cascade_t hanlder,
-			       void *data);
-
 /*
  * All of the following functions must only be used after the
  * ISUs have been assigned and the controller fully initialized
@@ -284,9 +284,9 @@ extern void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask);
 void smp_mpic_message_pass(int target, int msg);
 
 /* Fetch interrupt from a given mpic */
-extern int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
+extern unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs);
 /* This one gets to the primary mpic */
-extern int mpic_get_irq(struct pt_regs *regs);
+extern unsigned int mpic_get_irq(struct pt_regs *regs);
 
 /* Set the EPIC clock ratio */
 void mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio);
@@ -294,8 +294,5 @@ void mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio);
 /* Enable/Disable EPIC serial interrupt mode */
 void mpic_set_serial_int(struct mpic *mpic, int enable);
 
-/* global mpic for pSeries */
-extern struct mpic *pSeries_mpic;
-
 #endif /* __KERNEL__ */
 #endif	/* _ASM_POWERPC_MPIC_H */
diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h
index faa1fc70305..2f2e3024fa6 100644
--- a/include/asm-powerpc/percpu.h
+++ b/include/asm-powerpc/percpu.h
@@ -14,6 +14,7 @@
 
 #define __per_cpu_offset(cpu) (paca[cpu].data_offset)
 #define __my_cpu_offset() get_paca()->data_offset
+#define per_cpu_offset(x) (__per_cpu_offset(x))
 
 /* Separate out the type, so (int[3], foo) works. */
 #define DEFINE_PER_CPU(type, name) \
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 010d186d095..b095a285c84 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -64,11 +64,6 @@ struct boot_param_header
 typedef u32 phandle;
 typedef u32 ihandle;
 
-struct interrupt_info {
-	int	line;
-	int	sense;		/* +ve/-ve logic, edge or level, etc. */
-};
-
 struct property {
 	char	*name;
 	int	length;
@@ -81,8 +76,6 @@ struct device_node {
 	char	*type;
 	phandle	node;
 	phandle linux_phandle;
-	int	n_intrs;
-	struct	interrupt_info *intrs;
 	char	*full_name;
 
 	struct	property *properties;
@@ -167,8 +160,8 @@ extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
 extern int device_is_compatible(struct device_node *device, const char *);
 extern int machine_is_compatible(const char *compat);
-extern unsigned char *get_property(struct device_node *node, const char *name,
-				   int *lenp);
+extern void *get_property(struct device_node *node, const char *name,
+		int *lenp);
 extern void print_properties(struct device_node *node);
 extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
@@ -204,6 +197,15 @@ extern int release_OF_resource(struct device_node* node, int index);
  */
 
 
+/* Helper to read a big number */
+static inline u64 of_read_number(u32 *cell, int size)
+{
+	u64 r = 0;
+	while (size--)
+		r = (r << 32) | *(cell++);
+	return r;
+}
+
 /* Translate an OF address block into a CPU physical address
  */
 #define OF_BAD_ADDR	((u64)-1)
@@ -240,5 +242,83 @@ extern void kdump_move_device_tree(void);
 /* CPU OF node matching */
 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
 
+
+/*
+ * OF interrupt mapping
+ */
+
+/* This structure is returned when an interrupt is mapped. The controller
+ * field needs to be put() after use
+ */
+
+#define OF_MAX_IRQ_SPEC		 4 /* We handle specifiers of at most 4 cells */
+
+struct of_irq {
+	struct device_node *controller;	/* Interrupt controller node */
+	u32 size;			/* Specifier size */
+	u32 specifier[OF_MAX_IRQ_SPEC];	/* Specifier copy */
+};
+
+/***
+ * of_irq_map_init - Initialize the irq remapper
+ * @flags:	flags defining workarounds to enable
+ *
+ * Some machines have bugs in the device-tree which require certain workarounds
+ * to be applied. Call this before any interrupt mapping attempts to enable
+ * those workarounds.
+ */
+#define OF_IMAP_OLDWORLD_MAC	0x00000001
+#define OF_IMAP_NO_PHANDLE	0x00000002
+
+extern void of_irq_map_init(unsigned int flags);
+
+/***
+ * of_irq_map_raw - Low level interrupt tree parsing
+ * @parent:	the device interrupt parent
+ * @intspec:	interrupt specifier ("interrupts" property of the device)
+ * @addr:	address specifier (start of "reg" property of the device)
+ * @out_irq:	structure of_irq filled by this function
+ *
+ * Returns 0 on success and a negative number on error
+ *
+ * This function is a low-level interrupt tree walking function. It
+ * can be used to do a partial walk with synthetized reg and interrupts
+ * properties, for example when resolving PCI interrupts when no device
+ * node exist for the parent.
+ *
+ */
+
+extern int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
+			  struct of_irq *out_irq);
+
+
+/***
+ * of_irq_map_one - Resolve an interrupt for a device
+ * @device:	the device whose interrupt is to be resolved
+ * @index:     	index of the interrupt to resolve
+ * @out_irq:	structure of_irq filled by this function
+ *
+ * This function resolves an interrupt, walking the tree, for a given
+ * device-tree node. It's the high level pendant to of_irq_map_raw().
+ * It also implements the workarounds for OldWolrd Macs.
+ */
+extern int of_irq_map_one(struct device_node *device, int index,
+			  struct of_irq *out_irq);
+
+/***
+ * of_irq_map_pci - Resolve the interrupt for a PCI device
+ * @pdev:	the device whose interrupt is to be resolved
+ * @out_irq:	structure of_irq filled by this function
+ *
+ * This function resolves the PCI interrupt for a given PCI device. If a
+ * device-node exists for a given pci_dev, it will use normal OF tree
+ * walking. If not, it will implement standard swizzling and walk up the
+ * PCI tree until an device-node is found, at which point it will finish
+ * resolving using the OF tree walking.
+ */
+struct pci_dev;
+extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
+
+
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_PROM_H */
diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h
index 2c2fe964759..e929145e1e4 100644
--- a/include/asm-powerpc/rwsem.h
+++ b/include/asm-powerpc/rwsem.h
@@ -28,24 +28,11 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
-#endif
 };
 
-/*
- * initialisation
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT	/* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	  LIST_HEAD_INIT((name).wait_list) \
-	  __RWSEM_DEBUG_INIT }
+	  LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name)		\
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -60,9 +47,6 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
 }
 
 /*
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 9609d3ee879..c02d105d829 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -117,6 +117,7 @@ struct spu {
 	struct list_head sched_list;
 	int number;
 	int nid;
+	unsigned int irqs[3];
 	u32 isrc;
 	u32 node;
 	u64 flags;
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild
new file mode 100644
index 00000000000..ed8955f49e4
--- /dev/null
+++ b/include/asm-s390/Kbuild
@@ -0,0 +1,4 @@
+include include/asm-generic/Kbuild.asm
+
+unifdef-y += cmb.h debug.h
+header-y += dasd.h qeth.h tape390.h ucontext.h vtoc.h z90crypt.h
diff --git a/include/asm-s390/irqflags.h b/include/asm-s390/irqflags.h
new file mode 100644
index 00000000000..65f4db627e7
--- /dev/null
+++ b/include/asm-s390/irqflags.h
@@ -0,0 +1,50 @@
+/*
+ *  include/asm-s390/irqflags.h
+ *
+ *    Copyright (C) IBM Corp. 2006
+ *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#ifndef __ASM_IRQFLAGS_H
+#define __ASM_IRQFLAGS_H
+
+#ifdef __KERNEL__
+
+/* interrupt control.. */
+#define raw_local_irq_enable() ({ \
+	unsigned long  __dummy; \
+	__asm__ __volatile__ ( \
+		"stosm 0(%1),0x03" \
+		: "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
+	})
+
+#define raw_local_irq_disable() ({ \
+	unsigned long __flags; \
+	__asm__ __volatile__ ( \
+		"stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
+	__flags; \
+	})
+
+#define raw_local_save_flags(x) \
+	__asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
+
+#define raw_local_irq_restore(x) \
+	__asm__ __volatile__("ssm   0(%0)" : : "a" (&x), "m" (x) : "memory")
+
+#define raw_irqs_disabled()		\
+({					\
+	unsigned long flags;		\
+	local_save_flags(flags);	\
+	!((flags >> __FLAG_SHIFT) & 3);	\
+})
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return !((flags >> __FLAG_SHIFT) & 3);
+}
+
+/* For spinlocks etc */
+#define raw_local_irq_save(x)	((x) = raw_local_irq_disable())
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_IRQFLAGS_H */
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
index d9a8cca9b65..28b3517e787 100644
--- a/include/asm-s390/percpu.h
+++ b/include/asm-s390/percpu.h
@@ -42,6 +42,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
 #define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
 #define __raw_get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
 #define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu])
+#define per_cpu_offset(x) (__per_cpu_offset[x])
 
 /* A macro to avoid #include hell... */
 #define percpu_modcopy(pcpudst, src, size)			\
diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h
index 0422a085dd5..13ec1696515 100644
--- a/include/asm-s390/rwsem.h
+++ b/include/asm-s390/rwsem.h
@@ -61,6 +61,9 @@ struct rw_semaphore {
 	signed long		count;
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map	dep_map;
+#endif
 };
 
 #ifndef __s390x__
@@ -80,8 +83,16 @@ struct rw_semaphore {
 /*
  * initialisation
  */
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }
+#else
+# define __RWSEM_DEP_MAP_INIT(lockname)
+#endif
+
 #define __RWSEM_INITIALIZER(name) \
-{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) }
+{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \
+  __RWSEM_DEP_MAP_INIT(name) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -93,6 +104,17 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	INIT_LIST_HEAD(&sem->wait_list);
 }
 
+extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
+			 struct lock_class_key *key);
+
+#define init_rwsem(sem)				\
+do {						\
+	static struct lock_class_key __key;	\
+						\
+	__init_rwsem((sem), #sem, &__key);	\
+} while (0)
+
+
 /*
  * lock for reading
  */
@@ -155,7 +177,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
 /*
  * lock for writing
  */
-static inline void __down_write(struct rw_semaphore *sem)
+static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
 {
 	signed long old, new, tmp;
 
@@ -181,6 +203,11 @@ static inline void __down_write(struct rw_semaphore *sem)
 		rwsem_down_write_failed(sem);
 }
 
+static inline void __down_write(struct rw_semaphore *sem)
+{
+	__down_write_nested(sem, 0);
+}
+
 /*
  * trylock for writing -- returns 1 if successful, 0 if contention
  */
diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h
index 702cf436698..32cdc69f39f 100644
--- a/include/asm-s390/semaphore.h
+++ b/include/asm-s390/semaphore.h
@@ -37,7 +37,8 @@ struct semaphore {
 
 static inline void sema_init (struct semaphore *sem, int val)
 {
-	*sem = (struct semaphore) __SEMAPHORE_INITIALIZER((*sem),val);
+	atomic_set(&sem->count, val);
+	init_waitqueue_head(&sem->wait);
 }
 
 static inline void init_MUTEX (struct semaphore *sem)
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 71a0732cd51..9ab186ffde2 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -301,34 +301,6 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define set_mb(var, value)      do { var = value; mb(); } while (0)
 #define set_wmb(var, value)     do { var = value; wmb(); } while (0)
 
-/* interrupt control.. */
-#define local_irq_enable() ({ \
-        unsigned long  __dummy; \
-        __asm__ __volatile__ ( \
-                "stosm 0(%1),0x03" \
-		: "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
-        })
-
-#define local_irq_disable() ({ \
-        unsigned long __flags; \
-        __asm__ __volatile__ ( \
-                "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
-        __flags; \
-        })
-
-#define local_save_flags(x) \
-        __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
-
-#define local_irq_restore(x) \
-        __asm__ __volatile__("ssm   0(%0)" : : "a" (&x), "m" (x) : "memory")
-
-#define irqs_disabled()			\
-({					\
-	unsigned long flags;		\
-	local_save_flags(flags);	\
-        !((flags >> __FLAG_SHIFT) & 3);	\
-})
-
 #ifdef __s390x__
 
 #define __ctl_load(array, low, high) ({ \
@@ -442,8 +414,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
         })
 #endif /* __s390x__ */
 
-/* For spinlocks etc */
-#define local_irq_save(x)	((x) = local_irq_disable())
+#include <linux/irqflags.h>
 
 /*
  * Use to set psw mask except for the first byte which
@@ -482,4 +453,3 @@ extern void (*_machine_power_off)(void);
 #endif /* __KERNEL__ */
 
 #endif
-
diff --git a/include/asm-sh/Kbuild b/include/asm-sh/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-sh/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-sh/rwsem.h b/include/asm-sh/rwsem.h
index 0262d3d1e5e..9d2aea5e848 100644
--- a/include/asm-sh/rwsem.h
+++ b/include/asm-sh/rwsem.h
@@ -25,24 +25,11 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
-#endif
 };
 
-/*
- * initialisation
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT	/* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	  LIST_HEAD_INIT((name).wait_list) \
-	  __RWSEM_DEBUG_INIT }
+	  LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name)		\
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -57,9 +44,6 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
 }
 
 /*
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index b752e5cbb83..ce2e60664a8 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -12,7 +12,7 @@
  */
 
 #define switch_to(prev, next, last) do {				\
- task_t *__last;							\
+ struct task_struct *__last;						\
  register unsigned long *__ts1 __asm__ ("r1") = &prev->thread.sp;	\
  register unsigned long *__ts2 __asm__ ("r2") = &prev->thread.pc;	\
  register unsigned long *__ts4 __asm__ ("r4") = (unsigned long *)prev;	\
diff --git a/include/asm-sh64/Kbuild b/include/asm-sh64/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-sh64/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-sparc/Kbuild b/include/asm-sparc/Kbuild
new file mode 100644
index 00000000000..e2a57fd7abf
--- /dev/null
+++ b/include/asm-sparc/Kbuild
@@ -0,0 +1,6 @@
+include include/asm-generic/Kbuild.asm
+
+unifdef-y += fbio.h perfctr.h psr.h
+header-y += apc.h asi.h auxio.h bpp.h head.h ipc.h jsflash.h	\
+	openpromio.h pbm.h pconf.h pgtsun4.h reg.h traps.h	\
+	turbosparc.h vfc_ioctls.h winmacro.h
diff --git a/include/asm-sparc64/Kbuild b/include/asm-sparc64/Kbuild
new file mode 100644
index 00000000000..c78d44bb195
--- /dev/null
+++ b/include/asm-sparc64/Kbuild
@@ -0,0 +1,10 @@
+include include/asm-generic/Kbuild.asm
+
+ALTARCH := sparc
+ARCHDEF := defined __sparc__ && defined __arch64__
+ALTARCHDEF := defined __sparc__ && !defined __arch64__
+
+unifdef-y := fbio.h perfctr.h
+header-y += apb.h asi.h bbc.h bpp.h display7seg.h envctrl.h floppy.h	\
+	ipc.h kdebug.h mostek.h openprom.h openpromio.h parport.h	\
+	pconf.h psrcompat.h pstate.h reg.h uctx.h utrap.h watchdog.h
diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h
index a6ece06b83d..ced8cbde046 100644
--- a/include/asm-sparc64/percpu.h
+++ b/include/asm-sparc64/percpu.h
@@ -11,6 +11,7 @@ extern unsigned long __per_cpu_base;
 extern unsigned long __per_cpu_shift;
 #define __per_cpu_offset(__cpu) \
 	(__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift))
+#define per_cpu_offset(x) (__per_cpu_offset(x))
 
 /* Separate out the type, so (int[3], foo) works. */
 #define DEFINE_PER_CPU(type, name) \
diff --git a/include/asm-um/Kbuild b/include/asm-um/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-um/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-v850/Kbuild b/include/asm-v850/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-v850/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-x86_64/Kbuild b/include/asm-x86_64/Kbuild
new file mode 100644
index 00000000000..dc4d101e8a1
--- /dev/null
+++ b/include/asm-x86_64/Kbuild
@@ -0,0 +1,11 @@
+include include/asm-generic/Kbuild.asm
+
+ALTARCH := i386
+ARCHDEF := defined __x86_64__
+ALTARCHDEF := defined __i386__
+
+header-y += boot.h bootsetup.h cpufeature.h debugreg.h ldt.h \
+	 msr.h prctl.h setup.h sigcontext32.h ucontext.h \
+	 vsyscall32.h
+
+unifdef-y += mce.h mtrr.h vsyscall.h
diff --git a/include/asm-x86_64/irqflags.h b/include/asm-x86_64/irqflags.h
new file mode 100644
index 00000000000..cce6937e87c
--- /dev/null
+++ b/include/asm-x86_64/irqflags.h
@@ -0,0 +1,141 @@
+/*
+ * include/asm-x86_64/irqflags.h
+ *
+ * IRQ flags handling
+ *
+ * This file gets included from lowlevel asm headers too, to provide
+ * wrapped versions of the local_irq_*() APIs, based on the
+ * raw_local_irq_*() functions from the lowlevel headers.
+ */
+#ifndef _ASM_IRQFLAGS_H
+#define _ASM_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+/*
+ * Interrupt control:
+ */
+
+static inline unsigned long __raw_local_save_flags(void)
+{
+	unsigned long flags;
+
+	__asm__ __volatile__(
+		"# __raw_save_flags\n\t"
+		"pushfq ; popq %q0"
+		: "=g" (flags)
+		: /* no input */
+		: "memory"
+	);
+
+	return flags;
+}
+
+#define raw_local_save_flags(flags) \
+		do { (flags) = __raw_local_save_flags(); } while (0)
+
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+	__asm__ __volatile__(
+		"pushq %0 ; popfq"
+		: /* no output */
+		:"g" (flags)
+		:"memory", "cc"
+	);
+}
+
+#ifdef CONFIG_X86_VSMP
+
+/*
+ * Interrupt control for the VSMP architecture:
+ */
+
+static inline void raw_local_irq_disable(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	raw_local_irq_restore((flags & ~(1 << 9)) | (1 << 18));
+}
+
+static inline void raw_local_irq_enable(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	raw_local_irq_restore((flags | (1 << 9)) & ~(1 << 18));
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & (1<<9)) || (flags & (1 << 18));
+}
+
+#else /* CONFIG_X86_VSMP */
+
+static inline void raw_local_irq_disable(void)
+{
+	__asm__ __volatile__("cli" : : : "memory");
+}
+
+static inline void raw_local_irq_enable(void)
+{
+	__asm__ __volatile__("sti" : : : "memory");
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+	return !(flags & (1 << 9));
+}
+
+#endif
+
+/*
+ * For spinlocks, etc.:
+ */
+
+static inline unsigned long __raw_local_irq_save(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	raw_local_irq_disable();
+
+	return flags;
+}
+
+#define raw_local_irq_save(flags) \
+		do { (flags) = __raw_local_irq_save(); } while (0)
+
+static inline int raw_irqs_disabled(void)
+{
+	unsigned long flags = __raw_local_save_flags();
+
+	return raw_irqs_disabled_flags(flags);
+}
+
+/*
+ * Used in the idle loop; sti takes one instruction cycle
+ * to complete:
+ */
+static inline void raw_safe_halt(void)
+{
+	__asm__ __volatile__("sti; hlt" : : : "memory");
+}
+
+/*
+ * Used when interrupts are already enabled or to
+ * shutdown the processor:
+ */
+static inline void halt(void)
+{
+	__asm__ __volatile__("hlt": : :"memory");
+}
+
+#else /* __ASSEMBLY__: */
+# ifdef CONFIG_TRACE_IRQFLAGS
+#  define TRACE_IRQS_ON		call trace_hardirqs_on_thunk
+#  define TRACE_IRQS_OFF	call trace_hardirqs_off_thunk
+# else
+#  define TRACE_IRQS_ON
+#  define TRACE_IRQS_OFF
+# endif
+#endif
+
+#endif
diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h
index cd52c7f33bc..2b0c088e295 100644
--- a/include/asm-x86_64/kdebug.h
+++ b/include/asm-x86_64/kdebug.h
@@ -49,7 +49,7 @@ static inline int notify_die(enum die_val val, const char *str,
 	return atomic_notifier_call_chain(&die_chain, val, &args);
 } 
 
-extern int printk_address(unsigned long address);
+extern void printk_address(unsigned long address);
 extern void die(const char *,struct pt_regs *,long);
 extern void __die(const char *,struct pt_regs *,long);
 extern void show_registers(struct pt_regs *regs);
diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h
index 549eb929b2c..08dd9f9dda8 100644
--- a/include/asm-x86_64/percpu.h
+++ b/include/asm-x86_64/percpu.h
@@ -14,6 +14,8 @@
 #define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset)
 #define __my_cpu_offset() read_pda(data_offset)
 
+#define per_cpu_offset(x) (__per_cpu_offset(x))
+
 /* Separate out the type, so (int[3], foo) works. */
 #define DEFINE_PER_CPU(type, name) \
     __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index 68e559f3631..f67f2873a92 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -244,43 +244,7 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 
 #define warn_if_not_ulong(x) do { unsigned long foo; (void) (&(x) == &foo); } while (0)
 
-/* interrupt control.. */
-#define local_save_flags(x)	do { warn_if_not_ulong(x); __asm__ __volatile__("# save_flags \n\t pushfq ; popq %q0":"=g" (x): /* no input */ :"memory"); } while (0)
-#define local_irq_restore(x) 	__asm__ __volatile__("# restore_flags \n\t pushq %0 ; popfq": /* no output */ :"g" (x):"memory", "cc")
-
-#ifdef CONFIG_X86_VSMP
-/* Interrupt control for VSMP  architecture */
-#define local_irq_disable()	do { unsigned long flags; local_save_flags(flags); local_irq_restore((flags & ~(1 << 9)) | (1 << 18)); } while (0)
-#define local_irq_enable()	do { unsigned long flags; local_save_flags(flags); local_irq_restore((flags | (1 << 9)) & ~(1 << 18)); } while (0)
-
-#define irqs_disabled()					\
-({							\
-	unsigned long flags;				\
-	local_save_flags(flags);			\
-	(flags & (1<<18)) || !(flags & (1<<9));		\
-})
-
-/* For spinlocks etc */
-#define local_irq_save(x)	do { local_save_flags(x); local_irq_restore((x & ~(1 << 9)) | (1 << 18)); } while (0)
-#else  /* CONFIG_X86_VSMP */
-#define local_irq_disable() 	__asm__ __volatile__("cli": : :"memory")
-#define local_irq_enable()	__asm__ __volatile__("sti": : :"memory")
-
-#define irqs_disabled()			\
-({					\
-	unsigned long flags;		\
-	local_save_flags(flags);	\
-	!(flags & (1<<9));		\
-})
-
-/* For spinlocks etc */
-#define local_irq_save(x) 	do { warn_if_not_ulong(x); __asm__ __volatile__("# local_irq_save \n\t pushfq ; popq %0 ; cli":"=g" (x): /* no input */ :"memory"); } while (0)
-#endif
-
-/* used in the idle loop; sti takes one instruction cycle to complete */
-#define safe_halt()		__asm__ __volatile__("sti; hlt": : :"memory")
-/* used when interrupts are already enabled or to shutdown the processor */
-#define halt()			__asm__ __volatile__("hlt": : :"memory")
+#include <linux/irqflags.h>
 
 void cpu_idle_wait(void);
 
diff --git a/include/asm-xtensa/Kbuild b/include/asm-xtensa/Kbuild
new file mode 100644
index 00000000000..c68e1680da0
--- /dev/null
+++ b/include/asm-xtensa/Kbuild
@@ -0,0 +1 @@
+include include/asm-generic/Kbuild.asm
diff --git a/include/asm-xtensa/rwsem.h b/include/asm-xtensa/rwsem.h
index abcd86dc5ab..0aad3a58755 100644
--- a/include/asm-xtensa/rwsem.h
+++ b/include/asm-xtensa/rwsem.h
@@ -31,24 +31,11 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
-#endif
 };
 
-/*
- * initialisation
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT	/* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
 	{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-	  LIST_HEAD_INIT((name).wait_list) \
-	  __RWSEM_DEBUG_INIT }
+	  LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name)		\
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -63,9 +50,6 @@ static inline void init_rwsem(struct rw_semaphore *sem)
 	sem->count = RWSEM_UNLOCKED_VALUE;
 	spin_lock_init(&sem->wait_lock);
 	INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-	sem->debug = 0;
-#endif
 }
 
 /*
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
new file mode 100644
index 00000000000..2b8a7d68fae
--- /dev/null
+++ b/include/linux/Kbuild
@@ -0,0 +1,63 @@
+header-y := byteorder/ dvb/ hdlc/ isdn/ nfsd/ raid/ sunrpc/ tc_act/	\
+	netfilter/ netfilter_arp/ netfilter_bridge/ netfilter_ipv4/	\
+	netfilter_ipv6/
+
+header-y += affs_fs.h affs_hardblocks.h aio_abi.h a.out.h arcfb.h	\
+	atmapi.h atmbr2684.h atmclip.h atm_eni.h atm_he.h		\
+	atm_idt77105.h atmioc.h atmlec.h atmmpc.h atm_nicstar.h		\
+	atmppp.h atmsap.h atmsvc.h atm_zatm.h auto_fs4.h auxvec.h	\
+	awe_voice.h ax25.h b1lli.h baycom.h bfs_fs.h blkpg.h		\
+	bpqether.h cdk.h chio.h coda_psdev.h coff.h comstats.h		\
+	consolemap.h cycx_cfm.h dm-ioctl.h dn.h dqblk_v1.h		\
+	dqblk_v2.h dqblk_xfs.h efs_fs_sb.h elf-fdpic.h elf.h elf-em.h	\
+	fadvise.h fd.h fdreg.h ftape-header-segment.h ftape-vendors.h	\
+	fuse.h futex.h genetlink.h gen_stats.h gigaset_dev.h hdsmart.h	\
+	hpfs_fs.h hysdn_if.h i2c-dev.h i8k.h icmp.h			\
+	if_arcnet.h if_arp.h if_bonding.h if_cablemodem.h if_fc.h	\
+	if_fddi.h if.h if_hippi.h if_infiniband.h if_packet.h		\
+	if_plip.h if_ppp.h if_slip.h if_strip.h if_tunnel.h in6.h	\
+	in_route.h ioctl.h ip.h ipmi_msgdefs.h ip_mp_alg.h ipsec.h	\
+	ipx.h irda.h isdn_divertif.h iso_fs.h ite_gpio.h ixjuser.h	\
+	jffs2.h keyctl.h limits.h major.h matroxfb.h meye.h minix_fs.h	\
+	mmtimer.h mqueue.h mtio.h ncp_no.h netfilter_arp.h netrom.h	\
+	nfs2.h nfs4_mount.h nfs_mount.h openprom_fs.h param.h		\
+	pci_ids.h pci_regs.h personality.h pfkeyv2.h pg.h pkt_cls.h	\
+	pkt_sched.h posix_types.h ppdev.h prctl.h ps2esdi.h qic117.h	\
+	qnxtypes.h quotaio_v1.h quotaio_v2.h radeonfb.h raw.h		\
+	resource.h rose.h sctp.h smbno.h snmp.h sockios.h som.h		\
+	sound.h stddef.h synclink.h telephony.h termios.h ticable.h	\
+	times.h tiocl.h tipc.h toshiba.h ultrasound.h un.h utime.h	\
+	utsname.h video_decoder.h video_encoder.h videotext.h vt.h	\
+	wavefront.h wireless.h xattr.h x25.h zorro_ids.h
+
+unifdef-y += acct.h adb.h adfs_fs.h agpgart.h apm_bios.h atalk.h	\
+	atmarp.h atmdev.h atm.h atm_tcp.h audit.h auto_fs.h binfmts.h	\
+	capability.h capi.h cciss_ioctl.h cdrom.h cm4000_cs.h		\
+	cn_proc.h coda.h connector.h cramfs_fs.h cuda.h cyclades.h	\
+	dccp.h dirent.h divert.h elfcore.h errno.h errqueue.h		\
+	ethtool.h eventpoll.h ext2_fs.h ext3_fs.h fb.h fcntl.h		\
+	filter.h flat.h fs.h ftape.h gameport.h generic_serial.h	\
+	genhd.h hayesesp.h hdlcdrv.h hdlc.h hdreg.h hiddev.h hpet.h	\
+	i2c.h i2o-dev.h icmpv6.h if_bridge.h if_ec.h			\
+	if_eql.h if_ether.h if_frad.h if_ltalk.h if_pppox.h		\
+	if_shaper.h if_tr.h if_tun.h if_vlan.h if_wanpipe.h igmp.h	\
+	inet_diag.h in.h inotify.h input.h ipc.h ipmi.h ipv6.h		\
+	ipv6_route.h isdn.h isdnif.h isdn_ppp.h isicom.h jbd.h		\
+	joystick.h kdev_t.h kd.h kernelcapi.h kernel.h keyboard.h	\
+	llc.h loop.h lp.h mempolicy.h mii.h mman.h mroute.h msdos_fs.h	\
+	msg.h nbd.h ncp_fs.h ncp.h ncp_mount.h netdevice.h		\
+	netfilter_bridge.h netfilter_decnet.h netfilter.h		\
+	netfilter_ipv4.h netfilter_ipv6.h netfilter_logging.h net.h	\
+	netlink.h nfs3.h nfs4.h nfsacl.h nfs_fs.h nfs.h nfs_idmap.h	\
+	n_r3964.h nubus.h nvram.h parport.h patchkey.h pci.h pktcdvd.h	\
+	pmu.h poll.h ppp_defs.h ppp-comp.h ptrace.h qnx4_fs.h quota.h	\
+	random.h reboot.h reiserfs_fs.h reiserfs_xattr.h romfs_fs.h	\
+	route.h rtc.h rtnetlink.h scc.h sched.h sdla.h			\
+	selinux_netlink.h sem.h serial_core.h serial.h serio.h shm.h	\
+	signal.h smb_fs.h smb.h smb_mount.h socket.h sonet.h sonypi.h	\
+	soundcard.h stat.h sysctl.h tcp.h time.h timex.h tty.h types.h	\
+	udf_fs_i.h udp.h uinput.h uio.h unistd.h usb_ch9.h		\
+	usbdevice_fs.h user.h videodev2.h videodev.h wait.h		\
+	wanrouter.h watchdog.h xfrm.h zftape.h
+
+objhdr-y := version.h
diff --git a/include/linux/byteorder/Kbuild b/include/linux/byteorder/Kbuild
new file mode 100644
index 00000000000..84a57d4fb21
--- /dev/null
+++ b/include/linux/byteorder/Kbuild
@@ -0,0 +1,2 @@
+unifdef-y += generic.h swabb.h swab.h
+header-y += big_endian.h little_endian.h pdp_endian.h
diff --git a/include/linux/completion.h b/include/linux/completion.h
index 90663ad217f..251c41e3ddd 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -21,6 +21,18 @@ struct completion {
 #define DECLARE_COMPLETION(work) \
 	struct completion work = COMPLETION_INITIALIZER(work)
 
+/*
+ * Lockdep needs to run a non-constant initializer for on-stack
+ * completions - so we use the _ONSTACK() variant for those that
+ * are on the kernel stack:
+ */
+#ifdef CONFIG_LOCKDEP
+# define DECLARE_COMPLETION_ONSTACK(work) \
+	struct completion work = ({ init_completion(&work); work; })
+#else
+# define DECLARE_COMPLETION_ONSTACK(work) DECLARE_COMPLETION(work)
+#endif
+
 static inline void init_completion(struct completion *x)
 {
 	x->done = 0;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 0dd1610a94a..471781ffeab 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -114,6 +114,18 @@ struct dentry {
 	unsigned char d_iname[DNAME_INLINE_LEN_MIN];	/* small names */
 };
 
+/*
+ * dentry->d_lock spinlock nesting subclasses:
+ *
+ * 0: normal
+ * 1: nested
+ */
+enum dentry_d_lock_class
+{
+	DENTRY_D_LOCK_NORMAL, /* implicitly used by plain spin_lock() APIs. */
+	DENTRY_D_LOCK_NESTED
+};
+
 struct dentry_operations {
 	int (*d_revalidate)(struct dentry *, struct nameidata *);
 	int (*d_hash) (struct dentry *, struct qstr *);
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
new file mode 100644
index 00000000000..6a7047851e4
--- /dev/null
+++ b/include/linux/debug_locks.h
@@ -0,0 +1,69 @@
+#ifndef __LINUX_DEBUG_LOCKING_H
+#define __LINUX_DEBUG_LOCKING_H
+
+extern int debug_locks;
+extern int debug_locks_silent;
+
+/*
+ * Generic 'turn off all lock debugging' function:
+ */
+extern int debug_locks_off(void);
+
+/*
+ * In the debug case we carry the caller's instruction pointer into
+ * other functions, but we dont want the function argument overhead
+ * in the nondebug case - hence these macros:
+ */
+#define _RET_IP_		(unsigned long)__builtin_return_address(0)
+#define _THIS_IP_  ({ __label__ __here; __here: (unsigned long)&&__here; })
+
+#define DEBUG_LOCKS_WARN_ON(c)						\
+({									\
+	int __ret = 0;							\
+									\
+	if (unlikely(c)) {						\
+		if (debug_locks_off())					\
+			WARN_ON(1);					\
+		__ret = 1;						\
+	}								\
+	__ret;								\
+})
+
+#ifdef CONFIG_SMP
+# define SMP_DEBUG_LOCKS_WARN_ON(c)			DEBUG_LOCKS_WARN_ON(c)
+#else
+# define SMP_DEBUG_LOCKS_WARN_ON(c)			do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCKING_API_SELFTESTS
+  extern void locking_selftest(void);
+#else
+# define locking_selftest()	do { } while (0)
+#endif
+
+#ifdef CONFIG_LOCKDEP
+extern void debug_show_all_locks(void);
+extern void debug_show_held_locks(struct task_struct *task);
+extern void debug_check_no_locks_freed(const void *from, unsigned long len);
+extern void debug_check_no_locks_held(struct task_struct *task);
+#else
+static inline void debug_show_all_locks(void)
+{
+}
+
+static inline void debug_show_held_locks(struct task_struct *task)
+{
+}
+
+static inline void
+debug_check_no_locks_freed(const void *from, unsigned long len)
+{
+}
+
+static inline void
+debug_check_no_locks_held(struct task_struct *task)
+{
+}
+#endif
+
+#endif
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 272010a6078..c94d8f1d62e 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -44,7 +44,7 @@ enum dma_event {
 };
 
 /**
- * typedef dma_cookie_t
+ * typedef dma_cookie_t - an opaque DMA cookie
  *
  * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code
  */
@@ -80,14 +80,14 @@ struct dma_chan_percpu {
 
 /**
  * struct dma_chan - devices supply DMA channels, clients use them
- * @client: ptr to the client user of this chan, will be NULL when unused
- * @device: ptr to the dma device who supplies this channel, always !NULL
+ * @client: ptr to the client user of this chan, will be %NULL when unused
+ * @device: ptr to the dma device who supplies this channel, always !%NULL
  * @cookie: last cookie value returned to client
- * @chan_id:
- * @class_dev:
+ * @chan_id: channel ID for sysfs
+ * @class_dev: class device for sysfs
  * @refcount: kref, used in "bigref" slow-mode
- * @slow_ref:
- * @rcu:
+ * @slow_ref: indicates that the DMA channel is free
+ * @rcu: the DMA channel's RCU head
  * @client_node: used to add this to the client chan list
  * @device_node: used to add this to the device chan list
  * @local: per-cpu pointer to a struct dma_chan_percpu
@@ -162,10 +162,17 @@ struct dma_client {
  * @chancnt: how many DMA channels are supported
  * @channels: the list of struct dma_chan
  * @global_node: list_head for global dma_device_list
- * @refcount:
- * @done:
- * @dev_id:
- * Other func ptrs: used to make use of this device's capabilities
+ * @refcount: reference count
+ * @done: IO completion struct
+ * @dev_id: unique device ID
+ * @device_alloc_chan_resources: allocate resources and return the
+ *	number of allocated descriptors
+ * @device_free_chan_resources: release DMA channel's resources
+ * @device_memcpy_buf_to_buf: memcpy buf pointer to buf pointer
+ * @device_memcpy_buf_to_pg: memcpy buf pointer to struct page
+ * @device_memcpy_pg_to_pg: memcpy struct page/offset to struct page/offset
+ * @device_memcpy_complete: poll the status of an IOAT DMA transaction
+ * @device_memcpy_issue_pending: push appended descriptors to hardware
  */
 struct dma_device {
 
@@ -211,7 +218,7 @@ void dma_async_client_chan_request(struct dma_client *client,
  * Both @dest and @src must be mappable to a bus address according to the
  * DMA mapping API rules for streaming mappings.
  * Both @dest and @src must stay memory resident (kernel memory or locked
- * user space pages)
+ * user space pages).
  */
 static inline dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan,
 	void *dest, void *src, size_t len)
@@ -225,7 +232,7 @@ static inline dma_cookie_t dma_async_memcpy_buf_to_buf(struct dma_chan *chan,
 }
 
 /**
- * dma_async_memcpy_buf_to_pg - offloaded copy
+ * dma_async_memcpy_buf_to_pg - offloaded copy from address to page
  * @chan: DMA channel to offload copy to
  * @page: destination page
  * @offset: offset in page to copy to
@@ -250,18 +257,18 @@ static inline dma_cookie_t dma_async_memcpy_buf_to_pg(struct dma_chan *chan,
 }
 
 /**
- * dma_async_memcpy_buf_to_pg - offloaded copy
+ * dma_async_memcpy_pg_to_pg - offloaded copy from page to page
  * @chan: DMA channel to offload copy to
- * @dest_page: destination page
+ * @dest_pg: destination page
  * @dest_off: offset in page to copy to
- * @src_page: source page
+ * @src_pg: source page
  * @src_off: offset in page to copy from
  * @len: length
  *
  * Both @dest_page/@dest_off and @src_page/@src_off must be mappable to a bus
  * address according to the DMA mapping API rules for streaming mappings.
  * Both @dest_page/@dest_off and @src_page/@src_off must stay memory resident
- * (kernel memory or locked user space pages)
+ * (kernel memory or locked user space pages).
  */
 static inline dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan,
 	struct page *dest_pg, unsigned int dest_off, struct page *src_pg,
@@ -278,7 +285,7 @@ static inline dma_cookie_t dma_async_memcpy_pg_to_pg(struct dma_chan *chan,
 
 /**
  * dma_async_memcpy_issue_pending - flush pending copies to HW
- * @chan:
+ * @chan: target DMA channel
  *
  * This allows drivers to push copies to HW in batches,
  * reducing MMIO writes where possible.
diff --git a/include/linux/dvb/Kbuild b/include/linux/dvb/Kbuild
new file mode 100644
index 00000000000..63973af72fd
--- /dev/null
+++ b/include/linux/dvb/Kbuild
@@ -0,0 +1,2 @@
+header-y += ca.h frontend.h net.h osd.h version.h
+unifdef-y := audio.h dmx.h video.h
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e04a5cfe874..134b3206824 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -436,6 +436,21 @@ struct block_device {
 };
 
 /*
+ * bdev->bd_mutex nesting subclasses for the lock validator:
+ *
+ * 0: normal
+ * 1: 'whole'
+ * 2: 'partition'
+ */
+enum bdev_bd_mutex_lock_class
+{
+	BD_MUTEX_NORMAL,
+	BD_MUTEX_WHOLE,
+	BD_MUTEX_PARTITION
+};
+
+
+/*
  * Radix-tree tags, for tagging dirty and writeback pages within the pagecache
  * radix trees
  */
@@ -543,6 +558,25 @@ struct inode {
 };
 
 /*
+ * inode->i_mutex nesting subclasses for the lock validator:
+ *
+ * 0: the object of the current VFS operation
+ * 1: parent
+ * 2: child/target
+ * 3: quota file
+ *
+ * The locking order between these classes is
+ * parent -> child -> normal -> quota
+ */
+enum inode_i_mutex_lock_class
+{
+	I_MUTEX_NORMAL,
+	I_MUTEX_PARENT,
+	I_MUTEX_CHILD,
+	I_MUTEX_QUOTA
+};
+
+/*
  * NOTE: in a 32bit arch with a preemptable kernel and
  * an UP compile the i_size_read/write must be atomic
  * with respect to the local cpu (unlike with preempt disabled),
@@ -1276,6 +1310,8 @@ struct file_system_type {
 	struct module *owner;
 	struct file_system_type * next;
 	struct list_head fs_supers;
+	struct lock_class_key s_lock_key;
+	struct lock_class_key s_umount_key;
 };
 
 extern int get_sb_bdev(struct file_system_type *fs_type,
@@ -1404,6 +1440,7 @@ extern void bd_set_size(struct block_device *, loff_t size);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
+extern struct block_device *open_partition_by_devnum(dev_t, unsigned);
 extern const struct file_operations def_blk_fops;
 extern const struct address_space_operations def_blk_aops;
 extern const struct file_operations def_chr_fops;
@@ -1414,6 +1451,7 @@ extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *, mode_t, unsigned);
 extern int blkdev_put(struct block_device *);
+extern int blkdev_put_partition(struct block_device *);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
 #ifdef CONFIG_SYSFS
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 114ae583cca..50d8b5744cf 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -3,6 +3,7 @@
 
 #include <linux/preempt.h>
 #include <linux/smp_lock.h>
+#include <linux/lockdep.h>
 #include <asm/hardirq.h>
 #include <asm/system.h>
 
@@ -86,9 +87,6 @@ extern void synchronize_irq(unsigned int irq);
 # define synchronize_irq(irq)	barrier()
 #endif
 
-#define nmi_enter()		irq_enter()
-#define nmi_exit()		sub_preempt_count(HARDIRQ_OFFSET)
-
 struct task_struct;
 
 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
@@ -97,12 +95,35 @@ static inline void account_system_vtime(struct task_struct *tsk)
 }
 #endif
 
+/*
+ * It is safe to do non-atomic ops on ->hardirq_context,
+ * because NMI handlers may not preempt and the ops are
+ * always balanced, so the interrupted value of ->hardirq_context
+ * will always be restored.
+ */
 #define irq_enter()					\
 	do {						\
 		account_system_vtime(current);		\
 		add_preempt_count(HARDIRQ_OFFSET);	\
+		trace_hardirq_enter();			\
+	} while (0)
+
+/*
+ * Exit irq context without processing softirqs:
+ */
+#define __irq_exit()					\
+	do {						\
+		trace_hardirq_exit();			\
+		account_system_vtime(current);		\
+		sub_preempt_count(HARDIRQ_OFFSET);	\
 	} while (0)
 
+/*
+ * Exit irq context and process softirqs if needed:
+ */
 extern void irq_exit(void);
 
+#define nmi_enter()		do { lockdep_off(); irq_enter(); } while (0)
+#define nmi_exit()		do { __irq_exit(); lockdep_on(); } while (0)
+
 #endif /* LINUX_HARDIRQ_H */
diff --git a/include/linux/hdlc/Kbuild b/include/linux/hdlc/Kbuild
new file mode 100644
index 00000000000..1fb26448faa
--- /dev/null
+++ b/include/linux/hdlc/Kbuild
@@ -0,0 +1 @@
+header-y += ioctl.h
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 07d7305f131..e4bccbcc275 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -91,6 +91,7 @@ struct hrtimer_base {
 	ktime_t			(*get_softirq_time)(void);
 	struct hrtimer		*curr_timer;
 	ktime_t			softirq_time;
+	struct lock_class_key lock_key;
 };
 
 /*
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 285316c836b..dc7abef1096 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1359,7 +1359,7 @@ extern struct semaphore ide_cfg_sem;
  * ide_drive_t->hwif: constant, no locking
  */
 
-#define local_irq_set(flags)	do { local_save_flags((flags)); local_irq_enable(); } while (0)
+#define local_irq_set(flags)	do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
 
 extern struct bus_type ide_bus_type;
 
diff --git a/include/linux/idr.h b/include/linux/idr.h
index f559a719dbe..826803449db 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -66,7 +66,7 @@ struct idr {
 	.id_free	= NULL,					\
 	.layers 	= 0,					\
 	.id_free_cnt	= 0,					\
-	.lock		= SPIN_LOCK_UNLOCKED,			\
+	.lock		= __SPIN_LOCK_UNLOCKED(name.lock),	\
 }
 #define DEFINE_IDR(name)	struct idr name = IDR_INIT(name)
 
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 3a256957fb5..60aac2cea0c 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -3,6 +3,8 @@
 
 #include <linux/file.h>
 #include <linux/rcupdate.h>
+#include <linux/irqflags.h>
+#include <linux/lockdep.h>
 
 #define INIT_FDTABLE \
 {							\
@@ -21,7 +23,7 @@
 	.count		= ATOMIC_INIT(1), 		\
 	.fdt		= &init_files.fdtab, 		\
 	.fdtab		= INIT_FDTABLE,			\
-	.file_lock	= SPIN_LOCK_UNLOCKED, 		\
+	.file_lock	= __SPIN_LOCK_UNLOCKED(init_task.file_lock), \
 	.next_fd	= 0, 				\
 	.close_on_exec_init = { { 0, } }, 		\
 	.open_fds_init	= { { 0, } }, 			\
@@ -36,7 +38,7 @@
 	.user_id	= 0,				\
 	.next		= NULL,				\
 	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER(name.wait), \
-	.ctx_lock	= SPIN_LOCK_UNLOCKED,		\
+	.ctx_lock	= __SPIN_LOCK_UNLOCKED(name.ctx_lock), \
 	.reqs_active	= 0U,				\
 	.max_reqs	= ~0U,				\
 }
@@ -48,7 +50,7 @@
 	.mm_users	= ATOMIC_INIT(2), 			\
 	.mm_count	= ATOMIC_INIT(1), 			\
 	.mmap_sem	= __RWSEM_INITIALIZER(name.mmap_sem),	\
-	.page_table_lock =  SPIN_LOCK_UNLOCKED, 		\
+	.page_table_lock =  __SPIN_LOCK_UNLOCKED(name.page_table_lock),	\
 	.mmlist		= LIST_HEAD_INIT(name.mmlist),		\
 	.cpu_vm_mask	= CPU_MASK_ALL,				\
 }
@@ -69,7 +71,7 @@
 #define INIT_SIGHAND(sighand) {						\
 	.count		= ATOMIC_INIT(1), 				\
 	.action		= { { { .sa_handler = NULL, } }, },		\
-	.siglock	= SPIN_LOCK_UNLOCKED, 				\
+	.siglock	= __SPIN_LOCK_UNLOCKED(sighand.siglock),	\
 }
 
 extern struct group_info init_groups;
@@ -119,12 +121,13 @@ extern struct group_info init_groups;
 		.list = LIST_HEAD_INIT(tsk.pending.list),		\
 		.signal = {{0}}},					\
 	.blocked	= {{0}},					\
-	.alloc_lock	= SPIN_LOCK_UNLOCKED,				\
+	.alloc_lock	= __SPIN_LOCK_UNLOCKED(tsk.alloc_lock),		\
 	.journal_info	= NULL,						\
 	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\
 	.fs_excl	= ATOMIC_INIT(0),				\
 	.pi_lock	= SPIN_LOCK_UNLOCKED,				\
-	INIT_RT_MUTEXES(tsk)						\
+	INIT_TRACE_IRQFLAGS						\
+	INIT_LOCKDEP							\
 }
 
 
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index da3e0dbe61d..d5afee95fd4 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -10,6 +10,7 @@
 #include <linux/irqreturn.h>
 #include <linux/hardirq.h>
 #include <linux/sched.h>
+#include <linux/irqflags.h>
 #include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
@@ -80,12 +81,64 @@ extern int request_irq(unsigned int,
 		       unsigned long, const char *, void *);
 extern void free_irq(unsigned int, void *);
 
+/*
+ * On lockdep we dont want to enable hardirqs in hardirq
+ * context. Use local_irq_enable_in_hardirq() to annotate
+ * kernel code that has to do this nevertheless (pretty much
+ * the only valid case is for old/broken hardware that is
+ * insanely slow).
+ *
+ * NOTE: in theory this might break fragile code that relies
+ * on hardirq delivery - in practice we dont seem to have such
+ * places left. So the only effect should be slightly increased
+ * irqs-off latencies.
+ */
+#ifdef CONFIG_LOCKDEP
+# define local_irq_enable_in_hardirq()	do { } while (0)
+#else
+# define local_irq_enable_in_hardirq()	local_irq_enable()
+#endif
 
 #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);
 
+/*
+ * Special lockdep variants of irq disabling/enabling.
+ * These should be used for locking constructs that
+ * know that a particular irq context which is disabled,
+ * and which is the only irq-context user of a lock,
+ * that it's safe to take the lock in the irq-disabled
+ * section without disabling hardirqs.
+ *
+ * On !CONFIG_LOCKDEP they are equivalent to the normal
+ * irq disable/enable methods.
+ */
+static inline void disable_irq_nosync_lockdep(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+#ifdef CONFIG_LOCKDEP
+	local_irq_disable();
+#endif
+}
+
+static inline void disable_irq_lockdep(unsigned int irq)
+{
+	disable_irq(irq);
+#ifdef CONFIG_LOCKDEP
+	local_irq_disable();
+#endif
+}
+
+static inline void enable_irq_lockdep(unsigned int irq)
+{
+#ifdef CONFIG_LOCKDEP
+	local_irq_enable();
+#endif
+	enable_irq(irq);
+}
+
 /* IRQ wakeup (PM) control: */
 extern int set_irq_wake(unsigned int irq, unsigned int on);
 
@@ -99,7 +152,19 @@ static inline int disable_irq_wake(unsigned int irq)
 	return set_irq_wake(irq, 0);
 }
 
-#endif
+#else /* !CONFIG_GENERIC_HARDIRQS */
+/*
+ * NOTE: non-genirq architectures, if they want to support the lock
+ * validator need to define the methods below in their asm/irq.h
+ * files, under an #ifdef CONFIG_LOCKDEP section.
+ */
+# ifndef CONFIG_LOCKDEP
+#  define disable_irq_nosync_lockdep(irq)	disable_irq_nosync(irq)
+#  define disable_irq_lockdep(irq)		disable_irq(irq)
+#  define enable_irq_lockdep(irq)		enable_irq(irq)
+# endif
+
+#endif /* CONFIG_GENERIC_HARDIRQS */
 
 #ifndef __ARCH_SET_SOFTIRQ_PENDING
 #define set_softirq_pending(x) (local_softirq_pending() = (x))
@@ -135,13 +200,11 @@ static inline void __deprecated save_and_cli(unsigned long *x)
 #define save_and_cli(x)	save_and_cli(&x)
 #endif /* CONFIG_SMP */
 
-/* SoftIRQ primitives.  */
-#define local_bh_disable() \
-		do { add_preempt_count(SOFTIRQ_OFFSET); barrier(); } while (0)
-#define __local_bh_enable() \
-		do { barrier(); sub_preempt_count(SOFTIRQ_OFFSET); } while (0)
-
+extern void local_bh_disable(void);
+extern void __local_bh_enable(void);
+extern void _local_bh_enable(void);
 extern void local_bh_enable(void);
+extern void local_bh_enable_ip(unsigned long ip);
 
 /* PLEASE, avoid to allocate new softirqs, if you need not _really_ high
    frequency threaded job scheduling. For almost all the purposes
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 87a9fc039b4..5612dfeeae5 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -55,6 +55,7 @@ struct resource_list {
 #define IORESOURCE_IRQ_LOWEDGE		(1<<1)
 #define IORESOURCE_IRQ_HIGHLEVEL	(1<<2)
 #define IORESOURCE_IRQ_LOWLEVEL		(1<<3)
+#define IORESOURCE_IRQ_SHAREABLE	(1<<4)
 
 /* ISA PnP DMA specific bits (IORESOURCE_BITS) */
 #define IORESOURCE_DMA_TYPE_MASK	(3<<0)
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
new file mode 100644
index 00000000000..412e025bc5c
--- /dev/null
+++ b/include/linux/irqflags.h
@@ -0,0 +1,96 @@
+/*
+ * include/linux/irqflags.h
+ *
+ * IRQ flags tracing: follow the state of the hardirq and softirq flags and
+ * provide callbacks for transitions between ON and OFF states.
+ *
+ * This file gets included from lowlevel asm headers too, to provide
+ * wrapped versions of the local_irq_*() APIs, based on the
+ * raw_local_irq_*() macros from the lowlevel headers.
+ */
+#ifndef _LINUX_TRACE_IRQFLAGS_H
+#define _LINUX_TRACE_IRQFLAGS_H
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+  extern void trace_hardirqs_on(void);
+  extern void trace_hardirqs_off(void);
+  extern void trace_softirqs_on(unsigned long ip);
+  extern void trace_softirqs_off(unsigned long ip);
+# define trace_hardirq_context(p)	((p)->hardirq_context)
+# define trace_softirq_context(p)	((p)->softirq_context)
+# define trace_hardirqs_enabled(p)	((p)->hardirqs_enabled)
+# define trace_softirqs_enabled(p)	((p)->softirqs_enabled)
+# define trace_hardirq_enter()	do { current->hardirq_context++; } while (0)
+# define trace_hardirq_exit()	do { current->hardirq_context--; } while (0)
+# define trace_softirq_enter()	do { current->softirq_context++; } while (0)
+# define trace_softirq_exit()	do { current->softirq_context--; } while (0)
+# define INIT_TRACE_IRQFLAGS	.softirqs_enabled = 1,
+#else
+# define trace_hardirqs_on()		do { } while (0)
+# define trace_hardirqs_off()		do { } while (0)
+# define trace_softirqs_on(ip)		do { } while (0)
+# define trace_softirqs_off(ip)		do { } while (0)
+# define trace_hardirq_context(p)	0
+# define trace_softirq_context(p)	0
+# define trace_hardirqs_enabled(p)	0
+# define trace_softirqs_enabled(p)	0
+# define trace_hardirq_enter()		do { } while (0)
+# define trace_hardirq_exit()		do { } while (0)
+# define trace_softirq_enter()		do { } while (0)
+# define trace_softirq_exit()		do { } while (0)
+# define INIT_TRACE_IRQFLAGS
+#endif
+
+#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
+
+#include <asm/irqflags.h>
+
+#define local_irq_enable() \
+	do { trace_hardirqs_on(); raw_local_irq_enable(); } while (0)
+#define local_irq_disable() \
+	do { raw_local_irq_disable(); trace_hardirqs_off(); } while (0)
+#define local_irq_save(flags) \
+	do { raw_local_irq_save(flags); trace_hardirqs_off(); } while (0)
+
+#define local_irq_restore(flags)				\
+	do {							\
+		if (raw_irqs_disabled_flags(flags)) {		\
+			raw_local_irq_restore(flags);		\
+			trace_hardirqs_off();			\
+		} else {					\
+			trace_hardirqs_on();			\
+			raw_local_irq_restore(flags);		\
+		}						\
+	} while (0)
+#else /* !CONFIG_TRACE_IRQFLAGS_SUPPORT */
+/*
+ * The local_irq_*() APIs are equal to the raw_local_irq*()
+ * if !TRACE_IRQFLAGS.
+ */
+# define raw_local_irq_disable()	local_irq_disable()
+# define raw_local_irq_enable()		local_irq_enable()
+# define raw_local_irq_save(flags)	local_irq_save(flags)
+# define raw_local_irq_restore(flags)	local_irq_restore(flags)
+#endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */
+
+#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
+#define safe_halt()						\
+	do {							\
+		trace_hardirqs_on();				\
+		raw_safe_halt();				\
+	} while (0)
+
+#define local_save_flags(flags)		raw_local_save_flags(flags)
+
+#define irqs_disabled()						\
+({								\
+	unsigned long flags;					\
+								\
+	raw_local_save_flags(flags);				\
+	raw_irqs_disabled_flags(flags);				\
+})
+
+#define irqs_disabled_flags(flags)	raw_irqs_disabled_flags(flags)
+#endif		/* CONFIG_X86 */
+
+#endif
diff --git a/include/linux/isdn/Kbuild b/include/linux/isdn/Kbuild
new file mode 100644
index 00000000000..991cdb29ab2
--- /dev/null
+++ b/include/linux/isdn/Kbuild
@@ -0,0 +1 @@
+header-y += capicmd.h
diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h
index 54e2549f96b..849043ce4ed 100644
--- a/include/linux/kallsyms.h
+++ b/include/linux/kallsyms.h
@@ -57,10 +57,25 @@ do {						\
 #define print_fn_descriptor_symbol(fmt, addr) print_symbol(fmt, addr)
 #endif
 
-#define print_symbol(fmt, addr)			\
-do {						\
-	__check_printsym_format(fmt, "");	\
-	__print_symbol(fmt, addr);		\
+static inline void print_symbol(const char *fmt, unsigned long addr)
+{
+	__check_printsym_format(fmt, "");
+	__print_symbol(fmt, (unsigned long)
+		       __builtin_extract_return_addr((void *)addr));
+}
+
+#ifndef CONFIG_64BIT
+#define print_ip_sym(ip)		\
+do {					\
+	printk("[<%08lx>]", ip);	\
+	print_symbol(" %s\n", ip);	\
 } while(0)
+#else
+#define print_ip_sym(ip)		\
+do {					\
+	printk("[<%016lx>]", ip);	\
+	print_symbol(" %s\n", ip);	\
+} while(0)
+#endif
 
 #endif /*_LINUX_KALLSYMS_H*/
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
new file mode 100644
index 00000000000..316e0fb8d7b
--- /dev/null
+++ b/include/linux/lockdep.h
@@ -0,0 +1,353 @@
+/*
+ * Runtime locking correctness validator
+ *
+ *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
+ *
+ * see Documentation/lockdep-design.txt for more details.
+ */
+#ifndef __LINUX_LOCKDEP_H
+#define __LINUX_LOCKDEP_H
+
+#include <linux/linkage.h>
+#include <linux/list.h>
+#include <linux/debug_locks.h>
+#include <linux/stacktrace.h>
+
+#ifdef CONFIG_LOCKDEP
+
+/*
+ * Lock-class usage-state bits:
+ */
+enum lock_usage_bit
+{
+	LOCK_USED = 0,
+	LOCK_USED_IN_HARDIRQ,
+	LOCK_USED_IN_SOFTIRQ,
+	LOCK_ENABLED_SOFTIRQS,
+	LOCK_ENABLED_HARDIRQS,
+	LOCK_USED_IN_HARDIRQ_READ,
+	LOCK_USED_IN_SOFTIRQ_READ,
+	LOCK_ENABLED_SOFTIRQS_READ,
+	LOCK_ENABLED_HARDIRQS_READ,
+	LOCK_USAGE_STATES
+};
+
+/*
+ * Usage-state bitmasks:
+ */
+#define LOCKF_USED			(1 << LOCK_USED)
+#define LOCKF_USED_IN_HARDIRQ		(1 << LOCK_USED_IN_HARDIRQ)
+#define LOCKF_USED_IN_SOFTIRQ		(1 << LOCK_USED_IN_SOFTIRQ)
+#define LOCKF_ENABLED_HARDIRQS		(1 << LOCK_ENABLED_HARDIRQS)
+#define LOCKF_ENABLED_SOFTIRQS		(1 << LOCK_ENABLED_SOFTIRQS)
+
+#define LOCKF_ENABLED_IRQS (LOCKF_ENABLED_HARDIRQS | LOCKF_ENABLED_SOFTIRQS)
+#define LOCKF_USED_IN_IRQ (LOCKF_USED_IN_HARDIRQ | LOCKF_USED_IN_SOFTIRQ)
+
+#define LOCKF_USED_IN_HARDIRQ_READ	(1 << LOCK_USED_IN_HARDIRQ_READ)
+#define LOCKF_USED_IN_SOFTIRQ_READ	(1 << LOCK_USED_IN_SOFTIRQ_READ)
+#define LOCKF_ENABLED_HARDIRQS_READ	(1 << LOCK_ENABLED_HARDIRQS_READ)
+#define LOCKF_ENABLED_SOFTIRQS_READ	(1 << LOCK_ENABLED_SOFTIRQS_READ)
+
+#define LOCKF_ENABLED_IRQS_READ \
+		(LOCKF_ENABLED_HARDIRQS_READ | LOCKF_ENABLED_SOFTIRQS_READ)
+#define LOCKF_USED_IN_IRQ_READ \
+		(LOCKF_USED_IN_HARDIRQ_READ | LOCKF_USED_IN_SOFTIRQ_READ)
+
+#define MAX_LOCKDEP_SUBCLASSES		8UL
+
+/*
+ * Lock-classes are keyed via unique addresses, by embedding the
+ * lockclass-key into the kernel (or module) .data section. (For
+ * static locks we use the lock address itself as the key.)
+ */
+struct lockdep_subclass_key {
+	char __one_byte;
+} __attribute__ ((__packed__));
+
+struct lock_class_key {
+	struct lockdep_subclass_key	subkeys[MAX_LOCKDEP_SUBCLASSES];
+};
+
+/*
+ * The lock-class itself:
+ */
+struct lock_class {
+	/*
+	 * class-hash:
+	 */
+	struct list_head		hash_entry;
+
+	/*
+	 * global list of all lock-classes:
+	 */
+	struct list_head		lock_entry;
+
+	struct lockdep_subclass_key	*key;
+	unsigned int			subclass;
+
+	/*
+	 * IRQ/softirq usage tracking bits:
+	 */
+	unsigned long			usage_mask;
+	struct stack_trace		usage_traces[LOCK_USAGE_STATES];
+
+	/*
+	 * These fields represent a directed graph of lock dependencies,
+	 * to every node we attach a list of "forward" and a list of
+	 * "backward" graph nodes.
+	 */
+	struct list_head		locks_after, locks_before;
+
+	/*
+	 * Generation counter, when doing certain classes of graph walking,
+	 * to ensure that we check one node only once:
+	 */
+	unsigned int			version;
+
+	/*
+	 * Statistics counter:
+	 */
+	unsigned long			ops;
+
+	const char			*name;
+	int				name_version;
+};
+
+/*
+ * Map the lock object (the lock instance) to the lock-class object.
+ * This is embedded into specific lock instances:
+ */
+struct lockdep_map {
+	struct lock_class_key		*key;
+	struct lock_class		*class[MAX_LOCKDEP_SUBCLASSES];
+	const char			*name;
+};
+
+/*
+ * Every lock has a list of other locks that were taken after it.
+ * We only grow the list, never remove from it:
+ */
+struct lock_list {
+	struct list_head		entry;
+	struct lock_class		*class;
+	struct stack_trace		trace;
+};
+
+/*
+ * We record lock dependency chains, so that we can cache them:
+ */
+struct lock_chain {
+	struct list_head		entry;
+	u64				chain_key;
+};
+
+struct held_lock {
+	/*
+	 * One-way hash of the dependency chain up to this point. We
+	 * hash the hashes step by step as the dependency chain grows.
+	 *
+	 * We use it for dependency-caching and we skip detection
+	 * passes and dependency-updates if there is a cache-hit, so
+	 * it is absolutely critical for 100% coverage of the validator
+	 * to have a unique key value for every unique dependency path
+	 * that can occur in the system, to make a unique hash value
+	 * as likely as possible - hence the 64-bit width.
+	 *
+	 * The task struct holds the current hash value (initialized
+	 * with zero), here we store the previous hash value:
+	 */
+	u64				prev_chain_key;
+	struct lock_class		*class;
+	unsigned long			acquire_ip;
+	struct lockdep_map		*instance;
+
+	/*
+	 * The lock-stack is unified in that the lock chains of interrupt
+	 * contexts nest ontop of process context chains, but we 'separate'
+	 * the hashes by starting with 0 if we cross into an interrupt
+	 * context, and we also keep do not add cross-context lock
+	 * dependencies - the lock usage graph walking covers that area
+	 * anyway, and we'd just unnecessarily increase the number of
+	 * dependencies otherwise. [Note: hardirq and softirq contexts
+	 * are separated from each other too.]
+	 *
+	 * The following field is used to detect when we cross into an
+	 * interrupt context:
+	 */
+	int				irq_context;
+	int				trylock;
+	int				read;
+	int				check;
+	int				hardirqs_off;
+};
+
+/*
+ * Initialization, self-test and debugging-output methods:
+ */
+extern void lockdep_init(void);
+extern void lockdep_info(void);
+extern void lockdep_reset(void);
+extern void lockdep_reset_lock(struct lockdep_map *lock);
+extern void lockdep_free_key_range(void *start, unsigned long size);
+
+extern void lockdep_off(void);
+extern void lockdep_on(void);
+extern int lockdep_internal(void);
+
+/*
+ * These methods are used by specific locking variants (spinlocks,
+ * rwlocks, mutexes and rwsems) to pass init/acquire/release events
+ * to lockdep:
+ */
+
+extern void lockdep_init_map(struct lockdep_map *lock, const char *name,
+			     struct lock_class_key *key);
+
+/*
+ * Reinitialize a lock key - for cases where there is special locking or
+ * special initialization of locks so that the validator gets the scope
+ * of dependencies wrong: they are either too broad (they need a class-split)
+ * or they are too narrow (they suffer from a false class-split):
+ */
+#define lockdep_set_class(lock, key) \
+		lockdep_init_map(&(lock)->dep_map, #key, key)
+#define lockdep_set_class_and_name(lock, key, name) \
+		lockdep_init_map(&(lock)->dep_map, name, key)
+
+/*
+ * Acquire a lock.
+ *
+ * Values for "read":
+ *
+ *   0: exclusive (write) acquire
+ *   1: read-acquire (no recursion allowed)
+ *   2: read-acquire with same-instance recursion allowed
+ *
+ * Values for check:
+ *
+ *   0: disabled
+ *   1: simple checks (freeing, held-at-exit-time, etc.)
+ *   2: full validation
+ */
+extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
+			 int trylock, int read, int check, unsigned long ip);
+
+extern void lock_release(struct lockdep_map *lock, int nested,
+			 unsigned long ip);
+
+# define INIT_LOCKDEP				.lockdep_recursion = 0,
+
+#else /* !LOCKDEP */
+
+static inline void lockdep_off(void)
+{
+}
+
+static inline void lockdep_on(void)
+{
+}
+
+static inline int lockdep_internal(void)
+{
+	return 0;
+}
+
+# define lock_acquire(l, s, t, r, c, i)		do { } while (0)
+# define lock_release(l, n, i)			do { } while (0)
+# define lockdep_init()				do { } while (0)
+# define lockdep_info()				do { } while (0)
+# define lockdep_init_map(lock, name, key)	do { (void)(key); } while (0)
+# define lockdep_set_class(lock, key)		do { (void)(key); } while (0)
+# define lockdep_set_class_and_name(lock, key, name) \
+		do { (void)(key); } while (0)
+# define INIT_LOCKDEP
+# define lockdep_reset()		do { debug_locks = 1; } while (0)
+# define lockdep_free_key_range(start, size)	do { } while (0)
+/*
+ * The class key takes no space if lockdep is disabled:
+ */
+struct lock_class_key { };
+#endif /* !LOCKDEP */
+
+#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)
+extern void early_init_irq_lock_class(void);
+#else
+# define early_init_irq_lock_class()		do { } while (0)
+#endif
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+extern void early_boot_irqs_off(void);
+extern void early_boot_irqs_on(void);
+#else
+# define early_boot_irqs_off()			do { } while (0)
+# define early_boot_irqs_on()			do { } while (0)
+#endif
+
+/*
+ * For trivial one-depth nesting of a lock-class, the following
+ * global define can be used. (Subsystems with multiple levels
+ * of nesting should define their own lock-nesting subclasses.)
+ */
+#define SINGLE_DEPTH_NESTING			1
+
+/*
+ * Map the dependency ops to NOP or to real lockdep ops, depending
+ * on the per lock-class debug mode:
+ */
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+#  define spin_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, i)
+# else
+#  define spin_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, i)
+# endif
+# define spin_release(l, n, i)			lock_release(l, n, i)
+#else
+# define spin_acquire(l, s, t, i)		do { } while (0)
+# define spin_release(l, n, i)			do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+#  define rwlock_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, i)
+#  define rwlock_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 2, 2, i)
+# else
+#  define rwlock_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, i)
+#  define rwlock_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 2, 1, i)
+# endif
+# define rwlock_release(l, n, i)		lock_release(l, n, i)
+#else
+# define rwlock_acquire(l, s, t, i)		do { } while (0)
+# define rwlock_acquire_read(l, s, t, i)	do { } while (0)
+# define rwlock_release(l, n, i)		do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+#  define mutex_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, i)
+# else
+#  define mutex_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, i)
+# endif
+# define mutex_release(l, n, i)			lock_release(l, n, i)
+#else
+# define mutex_acquire(l, s, t, i)		do { } while (0)
+# define mutex_release(l, n, i)			do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# ifdef CONFIG_PROVE_LOCKING
+#  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, i)
+#  define rwsem_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 1, 2, i)
+# else
+#  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, i)
+#  define rwsem_acquire_read(l, s, t, i)	lock_acquire(l, s, t, 1, 1, i)
+# endif
+# define rwsem_release(l, n, i)			lock_release(l, n, i)
+#else
+# define rwsem_acquire(l, s, t, i)		do { } while (0)
+# define rwsem_acquire_read(l, s, t, i)		do { } while (0)
+# define rwsem_release(l, n, i)			do { } while (0)
+#endif
+
+#endif /* __LINUX_LOCKDEP_H */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 75179529e39..990957e0929 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -14,6 +14,7 @@
 #include <linux/prio_tree.h>
 #include <linux/fs.h>
 #include <linux/mutex.h>
+#include <linux/debug_locks.h>
 
 struct mempolicy;
 struct anon_vma;
@@ -1034,13 +1035,6 @@ static inline void vm_stat_account(struct mm_struct *mm,
 }
 #endif /* CONFIG_PROC_FS */
 
-static inline void
-debug_check_no_locks_freed(const void *from, unsigned long len)
-{
-	mutex_debug_check_no_locks_freed(from, len);
-	rt_mutex_debug_check_no_locks_freed(from, len);
-}
-
 #ifndef CONFIG_DEBUG_PAGEALLOC
 static inline void
 kernel_map_pages(struct page *page, int numpages, int enable)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 27e748eb72b..656b588a9f9 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -150,6 +150,10 @@ struct zone {
 	unsigned long		lowmem_reserve[MAX_NR_ZONES];
 
 #ifdef CONFIG_NUMA
+	/*
+	 * zone reclaim becomes active if more unmapped pages exist.
+	 */
+	unsigned long		min_unmapped_ratio;
 	struct per_cpu_pageset	*pageset[NR_CPUS];
 #else
 	struct per_cpu_pageset	pageset[NR_CPUS];
@@ -414,6 +418,8 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *,
 					void __user *, size_t *, loff_t *);
 int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int, struct file *,
 					void __user *, size_t *, loff_t *);
+int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int,
+			struct file *, void __user *, size_t *, loff_t *);
 
 #include <linux/topology.h>
 /* Returns the number of the current Node. */
diff --git a/include/linux/module.h b/include/linux/module.h
index 9e9dc7c24d9..d06c74fb8c2 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -358,6 +358,7 @@ static inline int module_is_live(struct module *mod)
 /* Is this address in a module? (second is with no locks, for oops) */
 struct module *module_text_address(unsigned long addr);
 struct module *__module_text_address(unsigned long addr);
+int is_module_address(unsigned long addr);
 
 /* Returns module and fills in value, defined and namebuf, or NULL if
    symnum out of range. */
@@ -496,6 +497,11 @@ static inline struct module *__module_text_address(unsigned long addr)
 	return NULL;
 }
 
+static inline int is_module_address(unsigned long addr)
+{
+	return 0;
+}
+
 /* Get/put a kernel symbol (calls should be symmetric) */
 #define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); })
 #define symbol_put(x) do { } while(0)
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 7a7fbe87fef..1221b7c4415 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -19,21 +19,21 @@
 
 /**
  * struct nand_bbt_descr - bad block table descriptor
- * @param options	options for this descriptor
- * @param pages		the page(s) where we find the bbt, used with
+ * @options:		options for this descriptor
+ * @pages:		the page(s) where we find the bbt, used with
  * 			option BBT_ABSPAGE when bbt is searched,
  * 			then we store the found bbts pages here.
  *			Its an array and supports up to 8 chips now
- * @param offs		offset of the pattern in the oob area of the page
- * @param veroffs	offset of the bbt version counter in the oob are of the page
- * @param version	version read from the bbt page during scan
- * @param len		length of the pattern, if 0 no pattern check is performed
- * @param maxblocks	maximum number of blocks to search for a bbt. This number of
- *			blocks is reserved at the end of the device
+ * @offs:		offset of the pattern in the oob area of the page
+ * @veroffs:		offset of the bbt version counter in the oob area of the page
+ * @version:		version read from the bbt page during scan
+ * @len:		length of the pattern, if 0 no pattern check is performed
+ * @maxblocks:		maximum number of blocks to search for a bbt. This
+ *			number of blocks is reserved at the end of the device
  *			where the tables are written.
- * @param reserved_block_code	if non-0, this pattern denotes a reserved
+ * @reserved_block_code: if non-0, this pattern denotes a reserved
  *			(rather than bad) block in the stored bbt
- * @param pattern	pattern to identify bad block table or factory marked
+ * @pattern:		pattern to identify bad block table or factory marked
  *			good / bad blocks, can be NULL, if len = 0
  *
  * Descriptor for the bad block table marker and the descriptor for the
@@ -93,12 +93,15 @@ struct nand_bbt_descr {
 #define ONENAND_BADBLOCK_POS	0
 
 /**
- * struct bbt_info - [GENERIC] Bad Block Table data structure
- * @param bbt_erase_shift	[INTERN] number of address bits in a bbt entry
- * @param badblockpos		[INTERN] position of the bad block marker in the oob area
- * @param bbt			[INTERN] bad block table pointer
- * @param badblock_pattern	[REPLACEABLE] bad block scan pattern used for initial bad block scan
- * @param priv			[OPTIONAL] pointer to private bbm date
+ * struct bbm_info - [GENERIC] Bad Block Table data structure
+ * @bbt_erase_shift:	[INTERN] number of address bits in a bbt entry
+ * @badblockpos:	[INTERN] position of the bad block marker in the oob area
+ * @options:		options for this descriptor
+ * @bbt:		[INTERN] bad block table pointer
+ * @isbad_bbt:		function to determine if a block is bad
+ * @badblock_pattern:	[REPLACEABLE] bad block scan pattern used for
+ *			initial bad block scan
+ * @priv:		[OPTIONAL] pointer to private bbm date
  */
 struct bbm_info {
 	int bbt_erase_shift;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 9b7a2b525d6..94a443d4525 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -77,11 +77,11 @@ typedef enum {
  *
  * @len:	number of bytes to write/read. When a data buffer is given
  *		(datbuf != NULL) this is the number of data bytes. When
- +		no data buffer is available this is the number of oob bytes.
+ *		no data buffer is available this is the number of oob bytes.
  *
  * @retlen:	number of bytes written/read. When a data buffer is given
  *		(datbuf != NULL) this is the number of data bytes. When
- +		no data buffer is available this is the number of oob bytes.
+ *		no data buffer is available this is the number of oob bytes.
  *
  * @ooblen:	number of oob bytes per page
  * @ooboffs:	offset of oob data in the oob area (only relevant when
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 66559272ebc..0b4cd2fa64a 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -202,7 +202,7 @@ typedef enum {
 struct nand_chip;
 
 /**
- * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices
+ * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices
  * @lock:               protection lock
  * @active:		the mtd device which holds the controller currently
  * @wq:			wait queue to sleep on if a NAND operation is in progress
@@ -223,12 +223,15 @@ struct nand_hw_control {
  * @total:	total number of ecc bytes per page
  * @prepad:	padding information for syndrome based ecc generators
  * @postpad:	padding information for syndrome based ecc generators
+ * @layout:	ECC layout control struct pointer
  * @hwctl:	function to control hardware ecc generator. Must only
  *		be provided if an hardware ECC is available
  * @calculate:	function for ecc calculation or readback from ecc hardware
  * @correct:	function for ecc correction, matching to ecc generator (sw/hw)
  * @read_page:	function to read a page according to the ecc generator requirements
  * @write_page:	function to write a page according to the ecc generator requirements
+ * @read_oob:	function to read chip OOB data
+ * @write_oob:	function to write chip OOB data
  */
 struct nand_ecc_ctrl {
 	nand_ecc_modes_t	mode;
@@ -300,11 +303,15 @@ struct nand_buffers {
  * @cmdfunc:		[REPLACEABLE] hardwarespecific function for writing commands to the chip
  * @waitfunc:		[REPLACEABLE] hardwarespecific function for wait on ready
  * @ecc:		[BOARDSPECIFIC] ecc control ctructure
+ * @buffers:		buffer structure for read/write
+ * @hwcontrol:		platform-specific hardware control structure
+ * @ops:		oob operation operands
  * @erase_cmd:		[INTERN] erase command write function, selectable due to AND support
  * @scan_bbt:		[REPLACEABLE] function to scan bad block table
  * @chip_delay:		[BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR)
  * @wq:			[INTERN] wait queue to sleep on if a NAND operation is in progress
  * @state:		[INTERN] the current state of the NAND device
+ * @oob_poi:		poison value buffer
  * @page_shift:		[INTERN] number of address bits in a page (column address bits)
  * @phys_erase_shift:	[INTERN] number of address bits in a physical eraseblock
  * @bbt_erase_shift:	[INTERN] number of address bits in a bbt entry
@@ -400,7 +407,6 @@ struct nand_chip {
 
 /**
  * struct nand_flash_dev - NAND Flash Device ID Structure
- *
  * @name:	Identify the device type
  * @id:		device ID code
  * @pagesize:	Pagesize in bytes. Either 256 or 512 or 0
@@ -519,9 +525,8 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
 
 /**
  * struct platform_nand_chip - chip level device structure
- *
  * @nr_chips:		max. number of chips to scan for
- * @chip_offs:		chip number offset
+ * @chip_offset:	chip number offset
  * @nr_partitions:	number of partitions pointed to by partitions (or zero)
  * @partitions:		mtd partition list
  * @chip_delay:		R/B delay value in us
@@ -542,11 +547,10 @@ struct platform_nand_chip {
 
 /**
  * struct platform_nand_ctrl - controller level device structure
- *
  * @hwcontrol:		platform specific hardware control structure
  * @dev_ready:		platform specific function to read ready/busy pin
  * @select_chip:	platform specific chip select function
- * @priv_data:		private data to transport driver specific settings
+ * @priv:		private data to transport driver specific settings
  *
  * All fields are optional and depend on the hardware driver requirements
  */
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 9ce9a48db44..1f497215524 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -23,7 +23,7 @@ extern int onenand_scan(struct mtd_info *mtd, int max_chips);
 /* Free resources held by the OneNAND device */
 extern void onenand_release(struct mtd_info *mtd);
 
-/**
+/*
  * onenand_state_t - chip states
  * Enumeration for OneNAND flash chip state
  */
@@ -42,9 +42,9 @@ typedef enum {
 
 /**
  * struct onenand_bufferram - OneNAND BufferRAM Data
- * @param block		block address in BufferRAM
- * @param page		page address in BufferRAM
- * @param valid		valid flag
+ * @block:		block address in BufferRAM
+ * @page:		page address in BufferRAM
+ * @valid:		valid flag
  */
 struct onenand_bufferram {
 	int block;
@@ -54,32 +54,43 @@ struct onenand_bufferram {
 
 /**
  * struct onenand_chip - OneNAND Private Flash Chip Data
- * @param base		[BOARDSPECIFIC] address to access OneNAND
- * @param chipsize	[INTERN] the size of one chip for multichip arrays
- * @param device_id	[INTERN] device ID
- * @param verstion_id	[INTERN] version ID
- * @param options	[BOARDSPECIFIC] various chip options. They can partly be set to inform onenand_scan about
- * @param erase_shift	[INTERN] number of address bits in a block
- * @param page_shift	[INTERN] number of address bits in a page
- * @param ppb_shift	[INTERN] number of address bits in a pages per block
- * @param page_mask	[INTERN] a page per block mask
- * @param bufferam_index	[INTERN] BufferRAM index
- * @param bufferam	[INTERN] BufferRAM info
- * @param readw		[REPLACEABLE] hardware specific function for read short
- * @param writew	[REPLACEABLE] hardware specific function for write short
- * @param command	[REPLACEABLE] hardware specific function for writing commands to the chip
- * @param wait		[REPLACEABLE] hardware specific function for wait on ready
- * @param read_bufferram	[REPLACEABLE] hardware specific function for BufferRAM Area
- * @param write_bufferram	[REPLACEABLE] hardware specific function for BufferRAM Area
- * @param read_word	[REPLACEABLE] hardware specific function for read register of OneNAND
- * @param write_word	[REPLACEABLE] hardware specific function for write register of OneNAND
- * @param scan_bbt	[REPLACEALBE] hardware specific function for scaning Bad block Table
- * @param chip_lock	[INTERN] spinlock used to protect access to this structure and the chip
- * @param wq		[INTERN] wait queue to sleep on if a OneNAND operation is in progress
- * @param state		[INTERN] the current state of the OneNAND device
- * @param ecclayout	[REPLACEABLE] the default ecc placement scheme
- * @param bbm		[REPLACEABLE] pointer to Bad Block Management
- * @param priv		[OPTIONAL] pointer to private chip date
+ * @base:		[BOARDSPECIFIC] address to access OneNAND
+ * @chipsize:		[INTERN] the size of one chip for multichip arrays
+ * @device_id:		[INTERN] device ID
+ * @density_mask:	chip density, used for DDP devices
+ * @verstion_id:	[INTERN] version ID
+ * @options:		[BOARDSPECIFIC] various chip options. They can
+ *			partly be set to inform onenand_scan about
+ * @erase_shift:	[INTERN] number of address bits in a block
+ * @page_shift:		[INTERN] number of address bits in a page
+ * @ppb_shift:		[INTERN] number of address bits in a pages per block
+ * @page_mask:		[INTERN] a page per block mask
+ * @bufferram_index:	[INTERN] BufferRAM index
+ * @bufferram:		[INTERN] BufferRAM info
+ * @readw:		[REPLACEABLE] hardware specific function for read short
+ * @writew:		[REPLACEABLE] hardware specific function for write short
+ * @command:		[REPLACEABLE] hardware specific function for writing
+ *			commands to the chip
+ * @wait:		[REPLACEABLE] hardware specific function for wait on ready
+ * @read_bufferram:	[REPLACEABLE] hardware specific function for BufferRAM Area
+ * @write_bufferram:	[REPLACEABLE] hardware specific function for BufferRAM Area
+ * @read_word:		[REPLACEABLE] hardware specific function for read
+ *			register of OneNAND
+ * @write_word:		[REPLACEABLE] hardware specific function for write
+ *			register of OneNAND
+ * @mmcontrol:		sync burst read function
+ * @block_markbad:	function to mark a block as bad
+ * @scan_bbt:		[REPLACEALBE] hardware specific function for scanning
+ *			Bad block Table
+ * @chip_lock:		[INTERN] spinlock used to protect access to this
+ *			structure and the chip
+ * @wq:			[INTERN] wait queue to sleep on if a OneNAND
+ *			operation is in progress
+ * @state:		[INTERN] the current state of the OneNAND device
+ * @page_buf:		data buffer
+ * @ecclayout:		[REPLACEABLE] the default ecc placement scheme
+ * @bbm:		[REPLACEABLE] pointer to Bad Block Management
+ * @priv:		[OPTIONAL] pointer to private chip date
  */
 struct onenand_chip {
 	void __iomem		*base;
@@ -147,9 +158,9 @@ struct onenand_chip {
 #define ONENAND_MFR_SAMSUNG	0xec
 
 /**
- * struct nand_manufacturers - NAND Flash Manufacturer ID Structure
- * @param name:		Manufacturer name
- * @param id:		manufacturer ID code of device.
+ * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure
+ * @name:	Manufacturer name
+ * @id:		manufacturer ID code of device.
 */
 struct onenand_manufacturers {
         int id;
diff --git a/include/linux/mutex-debug.h b/include/linux/mutex-debug.h
index 8b5769f0046..2537285e106 100644
--- a/include/linux/mutex-debug.h
+++ b/include/linux/mutex-debug.h
@@ -2,22 +2,22 @@
 #define __LINUX_MUTEX_DEBUG_H
 
 #include <linux/linkage.h>
+#include <linux/lockdep.h>
 
 /*
  * Mutexes - debugging helpers:
  */
 
-#define __DEBUG_MUTEX_INITIALIZER(lockname) \
-	, .held_list = LIST_HEAD_INIT(lockname.held_list), \
-	  .name = #lockname , .magic = &lockname
+#define __DEBUG_MUTEX_INITIALIZER(lockname)				\
+	, .magic = &lockname
 
-#define mutex_init(sem)		__mutex_init(sem, __FUNCTION__)
+#define mutex_init(mutex)						\
+do {									\
+	static struct lock_class_key __key;				\
+									\
+	__mutex_init((mutex), #mutex, &__key);				\
+} while (0)
 
 extern void FASTCALL(mutex_destroy(struct mutex *lock));
 
-extern void mutex_debug_show_all_locks(void);
-extern void mutex_debug_show_held_locks(struct task_struct *filter);
-extern void mutex_debug_check_no_locks_held(struct task_struct *task);
-extern void mutex_debug_check_no_locks_freed(const void *from, unsigned long len);
-
 #endif
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index f1ac507fa20..27c48daa318 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -13,6 +13,7 @@
 #include <linux/list.h>
 #include <linux/spinlock_types.h>
 #include <linux/linkage.h>
+#include <linux/lockdep.h>
 
 #include <asm/atomic.h>
 
@@ -50,11 +51,12 @@ struct mutex {
 	struct list_head	wait_list;
 #ifdef CONFIG_DEBUG_MUTEXES
 	struct thread_info	*owner;
-	struct list_head	held_list;
-	unsigned long		acquire_ip;
 	const char 		*name;
 	void			*magic;
 #endif
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map	dep_map;
+#endif
 };
 
 /*
@@ -74,24 +76,34 @@ struct mutex_waiter {
 # include <linux/mutex-debug.h>
 #else
 # define __DEBUG_MUTEX_INITIALIZER(lockname)
-# define mutex_init(mutex)			__mutex_init(mutex, NULL)
+# define mutex_init(mutex) \
+do {							\
+	static struct lock_class_key __key;		\
+							\
+	__mutex_init((mutex), #mutex, &__key);		\
+} while (0)
 # define mutex_destroy(mutex)				do { } while (0)
-# define mutex_debug_show_all_locks()			do { } while (0)
-# define mutex_debug_show_held_locks(p)			do { } while (0)
-# define mutex_debug_check_no_locks_held(task)		do { } while (0)
-# define mutex_debug_check_no_locks_freed(from, len)	do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \
+		, .dep_map = { .name = #lockname }
+#else
+# define __DEP_MAP_MUTEX_INITIALIZER(lockname)
 #endif
 
 #define __MUTEX_INITIALIZER(lockname) \
 		{ .count = ATOMIC_INIT(1) \
 		, .wait_lock = SPIN_LOCK_UNLOCKED \
 		, .wait_list = LIST_HEAD_INIT(lockname.wait_list) \
-		__DEBUG_MUTEX_INITIALIZER(lockname) }
+		__DEBUG_MUTEX_INITIALIZER(lockname) \
+		__DEP_MAP_MUTEX_INITIALIZER(lockname) }
 
 #define DEFINE_MUTEX(mutexname) \
 	struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
 
-extern void fastcall __mutex_init(struct mutex *lock, const char *name);
+extern void __mutex_init(struct mutex *lock, const char *name,
+			 struct lock_class_key *key);
 
 /***
  * mutex_is_locked - is the mutex locked
@@ -110,6 +122,13 @@ static inline int fastcall mutex_is_locked(struct mutex *lock)
  */
 extern void fastcall mutex_lock(struct mutex *lock);
 extern int fastcall mutex_lock_interruptible(struct mutex *lock);
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
+#else
+# define mutex_lock_nested(lock, subclass) mutex_lock(lock)
+#endif
+
 /*
  * NOTE: mutex_trylock() follows the spin_trylock() convention,
  *       not the down_trylock() convention!
diff --git a/include/linux/netfilter/Kbuild b/include/linux/netfilter/Kbuild
new file mode 100644
index 00000000000..d06311acd44
--- /dev/null
+++ b/include/linux/netfilter/Kbuild
@@ -0,0 +1,11 @@
+header-y := nf_conntrack_sctp.h nf_conntrack_tuple_common.h		\
+	    nfnetlink_conntrack.h nfnetlink_log.h nfnetlink_queue.h	\
+	    xt_CLASSIFY.h xt_comment.h xt_connbytes.h xt_connmark.h	\
+	    xt_CONNMARK.h xt_conntrack.h xt_dccp.h xt_esp.h		\
+	    xt_helper.h xt_length.h xt_limit.h xt_mac.h xt_mark.h	\
+	    xt_MARK.h xt_multiport.h xt_NFQUEUE.h xt_pkttype.h		\
+	    xt_policy.h xt_realm.h xt_sctp.h xt_state.h xt_string.h	\
+	    xt_tcpmss.h xt_tcpudp.h
+
+unifdef-y := nf_conntrack_common.h nf_conntrack_ftp.h		\
+	nf_conntrack_tcp.h nfnetlink.h x_tables.h xt_physdev.h
diff --git a/include/linux/netfilter_arp/Kbuild b/include/linux/netfilter_arp/Kbuild
new file mode 100644
index 00000000000..198ec5e7b17
--- /dev/null
+++ b/include/linux/netfilter_arp/Kbuild
@@ -0,0 +1,2 @@
+header-y := arpt_mangle.h
+unifdef-y := arp_tables.h
diff --git a/include/linux/netfilter_bridge/Kbuild b/include/linux/netfilter_bridge/Kbuild
new file mode 100644
index 00000000000..5b1aba6abba
--- /dev/null
+++ b/include/linux/netfilter_bridge/Kbuild
@@ -0,0 +1,4 @@
+header-y += ebt_among.h ebt_arp.h ebt_arpreply.h ebt_ip.h ebt_limit.h	\
+	ebt_log.h ebt_mark_m.h ebt_mark_t.h ebt_nat.h ebt_pkttype.h	\
+	ebt_redirect.h ebt_stp.h ebt_ulog.h ebt_vlan.h
+unifdef-y := ebtables.h ebt_802_3.h
diff --git a/include/linux/netfilter_ipv4/Kbuild b/include/linux/netfilter_ipv4/Kbuild
new file mode 100644
index 00000000000..04e4d272168
--- /dev/null
+++ b/include/linux/netfilter_ipv4/Kbuild
@@ -0,0 +1,21 @@
+
+header-y := ip_conntrack_helper.h ip_conntrack_helper_h323_asn1.h	\
+	    ip_conntrack_helper_h323_types.h ip_conntrack_protocol.h	\
+	    ip_conntrack_sctp.h ip_conntrack_tcp.h ip_conntrack_tftp.h	\
+	    ip_nat_pptp.h ipt_addrtype.h ipt_ah.h	\
+	    ipt_CLASSIFY.h ipt_CLUSTERIP.h ipt_comment.h		\
+	    ipt_connbytes.h ipt_connmark.h ipt_CONNMARK.h		\
+	    ipt_conntrack.h ipt_dccp.h ipt_dscp.h ipt_DSCP.h ipt_ecn.h	\
+	    ipt_ECN.h ipt_esp.h ipt_hashlimit.h ipt_helper.h		\
+	    ipt_iprange.h ipt_length.h ipt_limit.h ipt_LOG.h ipt_mac.h	\
+	    ipt_mark.h ipt_MARK.h ipt_multiport.h ipt_NFQUEUE.h		\
+	    ipt_owner.h ipt_physdev.h ipt_pkttype.h ipt_policy.h	\
+	    ipt_realm.h ipt_recent.h ipt_REJECT.h ipt_SAME.h		\
+	    ipt_sctp.h ipt_state.h ipt_string.h ipt_tcpmss.h		\
+	    ipt_TCPMSS.h ipt_tos.h ipt_TOS.h ipt_ttl.h ipt_TTL.h	\
+	    ipt_ULOG.h
+
+unifdef-y := ip_conntrack.h ip_conntrack_h323.h ip_conntrack_irc.h	\
+	ip_conntrack_pptp.h ip_conntrack_proto_gre.h			\
+	ip_conntrack_tuple.h ip_nat.h ip_nat_rule.h ip_queue.h		\
+	ip_tables.h
diff --git a/include/linux/netfilter_ipv6/Kbuild b/include/linux/netfilter_ipv6/Kbuild
new file mode 100644
index 00000000000..913ddbf55b4
--- /dev/null
+++ b/include/linux/netfilter_ipv6/Kbuild
@@ -0,0 +1,6 @@
+header-y += ip6t_HL.h ip6t_LOG.h ip6t_MARK.h ip6t_REJECT.h ip6t_ah.h	\
+	ip6t_esp.h ip6t_frag.h ip6t_hl.h ip6t_ipv6header.h		\
+	ip6t_length.h ip6t_limit.h ip6t_mac.h ip6t_mark.h		\
+	ip6t_multiport.h ip6t_opts.h ip6t_owner.h ip6t_policy.h		\
+	ip6t_physdev.h ip6t_rt.h
+unifdef-y := ip6_tables.h
diff --git a/include/linux/nfsd/Kbuild b/include/linux/nfsd/Kbuild
new file mode 100644
index 00000000000..c8c54566588
--- /dev/null
+++ b/include/linux/nfsd/Kbuild
@@ -0,0 +1,2 @@
+unifdef-y := const.h export.h stats.h syscall.h nfsfh.h debug.h auth.h
+
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 51dbab9710c..7ff386a6ae8 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -65,7 +65,7 @@ struct raw_notifier_head {
 	} while (0)
 
 #define ATOMIC_NOTIFIER_INIT(name) {				\
-		.lock = SPIN_LOCK_UNLOCKED,			\
+		.lock = __SPIN_LOCK_UNLOCKED(name.lock),	\
 		.head = NULL }
 #define BLOCKING_NOTIFIER_INIT(name) {				\
 		.rwsem = __RWSEM_INITIALIZER((name).rwsem),	\
diff --git a/include/linux/poison.h b/include/linux/poison.h
index a5347c02432..3e628f990fd 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -44,6 +44,11 @@
 
 /********** drivers/atm/ **********/
 #define ATM_POISON_FREE		0x12
+#define ATM_POISON		0xdeadbeef
+
+/********** net/ **********/
+#define NEIGHBOR_DEAD		0xdeadbeef
+#define NETFILTER_LINK_POISON	0xdead57ac
 
 /********** kernel/mutexes **********/
 #define MUTEX_DEBUG_INIT	0x11
diff --git a/include/linux/raid/Kbuild b/include/linux/raid/Kbuild
new file mode 100644
index 00000000000..73fa27a8d55
--- /dev/null
+++ b/include/linux/raid/Kbuild
@@ -0,0 +1 @@
+header-y += md_p.h md_u.h
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h
index fa4a3b82ba7..5d41dee82f8 100644
--- a/include/linux/rtmutex.h
+++ b/include/linux/rtmutex.h
@@ -29,8 +29,6 @@ struct rt_mutex {
 	struct task_struct	*owner;
 #ifdef CONFIG_DEBUG_RT_MUTEXES
 	int			save_state;
-	struct list_head	held_list_entry;
-	unsigned long		acquire_ip;
 	const char 		*name, *file;
 	int			line;
 	void			*magic;
@@ -98,14 +96,6 @@ extern int rt_mutex_trylock(struct rt_mutex *lock);
 
 extern void rt_mutex_unlock(struct rt_mutex *lock);
 
-#ifdef CONFIG_DEBUG_RT_MUTEXES
-# define INIT_RT_MUTEX_DEBUG(tsk)					\
-	.held_list_head	= LIST_HEAD_INIT(tsk.held_list_head),		\
-	.held_list_lock	= SPIN_LOCK_UNLOCKED
-#else
-# define INIT_RT_MUTEX_DEBUG(tsk)
-#endif
-
 #ifdef CONFIG_RT_MUTEXES
 # define INIT_RT_MUTEXES(tsk)						\
 	.pi_waiters	= PLIST_HEAD_INIT(tsk.pi_waiters, tsk.pi_lock),	\
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h
index f30f805080a..ae1fcadd598 100644
--- a/include/linux/rwsem-spinlock.h
+++ b/include/linux/rwsem-spinlock.h
@@ -32,30 +32,37 @@ struct rw_semaphore {
 	__s32			activity;
 	spinlock_t		wait_lock;
 	struct list_head	wait_list;
-#if RWSEM_DEBUG
-	int			debug;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
 #endif
 };
 
-/*
- * initialisation
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }
 #else
-#define __RWSEM_DEBUG_INIT	/* */
+# define __RWSEM_DEP_MAP_INIT(lockname)
 #endif
 
 #define __RWSEM_INITIALIZER(name) \
-{ 0, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) __RWSEM_DEBUG_INIT }
+{ 0, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) }
 
 #define DECLARE_RWSEM(name) \
 	struct rw_semaphore name = __RWSEM_INITIALIZER(name)
 
-extern void FASTCALL(init_rwsem(struct rw_semaphore *sem));
+extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
+			 struct lock_class_key *key);
+
+#define init_rwsem(sem)						\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__init_rwsem((sem), #sem, &__key);			\
+} while (0)
+
 extern void FASTCALL(__down_read(struct rw_semaphore *sem));
 extern int FASTCALL(__down_read_trylock(struct rw_semaphore *sem));
 extern void FASTCALL(__down_write(struct rw_semaphore *sem));
+extern void FASTCALL(__down_write_nested(struct rw_semaphore *sem, int subclass));
 extern int FASTCALL(__down_write_trylock(struct rw_semaphore *sem));
 extern void FASTCALL(__up_read(struct rw_semaphore *sem));
 extern void FASTCALL(__up_write(struct rw_semaphore *sem));
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index f99fe90732a..658afb37c3f 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -9,8 +9,6 @@
 
 #include <linux/linkage.h>
 
-#define RWSEM_DEBUG 0
-
 #ifdef __KERNEL__
 
 #include <linux/types.h>
@@ -26,89 +24,58 @@ struct rw_semaphore;
 #include <asm/rwsem.h> /* use an arch-specific implementation */
 #endif
 
-#ifndef rwsemtrace
-#if RWSEM_DEBUG
-extern void FASTCALL(rwsemtrace(struct rw_semaphore *sem, const char *str));
-#else
-#define rwsemtrace(SEM,FMT)
-#endif
-#endif
-
 /*
  * lock for reading
  */
-static inline void down_read(struct rw_semaphore *sem)
-{
-	might_sleep();
-	rwsemtrace(sem,"Entering down_read");
-	__down_read(sem);
-	rwsemtrace(sem,"Leaving down_read");
-}
+extern void down_read(struct rw_semaphore *sem);
 
 /*
  * trylock for reading -- returns 1 if successful, 0 if contention
  */
-static inline int down_read_trylock(struct rw_semaphore *sem)
-{
-	int ret;
-	rwsemtrace(sem,"Entering down_read_trylock");
-	ret = __down_read_trylock(sem);
-	rwsemtrace(sem,"Leaving down_read_trylock");
-	return ret;
-}
+extern int down_read_trylock(struct rw_semaphore *sem);
 
 /*
  * lock for writing
  */
-static inline void down_write(struct rw_semaphore *sem)
-{
-	might_sleep();
-	rwsemtrace(sem,"Entering down_write");
-	__down_write(sem);
-	rwsemtrace(sem,"Leaving down_write");
-}
+extern void down_write(struct rw_semaphore *sem);
 
 /*
  * trylock for writing -- returns 1 if successful, 0 if contention
  */
-static inline int down_write_trylock(struct rw_semaphore *sem)
-{
-	int ret;
-	rwsemtrace(sem,"Entering down_write_trylock");
-	ret = __down_write_trylock(sem);
-	rwsemtrace(sem,"Leaving down_write_trylock");
-	return ret;
-}
+extern int down_write_trylock(struct rw_semaphore *sem);
 
 /*
  * release a read lock
  */
-static inline void up_read(struct rw_semaphore *sem)
-{
-	rwsemtrace(sem,"Entering up_read");
-	__up_read(sem);
-	rwsemtrace(sem,"Leaving up_read");
-}
+extern void up_read(struct rw_semaphore *sem);
 
 /*
  * release a write lock
  */
-static inline void up_write(struct rw_semaphore *sem)
-{
-	rwsemtrace(sem,"Entering up_write");
-	__up_write(sem);
-	rwsemtrace(sem,"Leaving up_write");
-}
+extern void up_write(struct rw_semaphore *sem);
 
 /*
  * downgrade write lock to read lock
  */
-static inline void downgrade_write(struct rw_semaphore *sem)
-{
-	rwsemtrace(sem,"Entering downgrade_write");
-	__downgrade_write(sem);
-	rwsemtrace(sem,"Leaving downgrade_write");
-}
+extern void downgrade_write(struct rw_semaphore *sem);
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+/*
+ * nested locking:
+ */
+extern void down_read_nested(struct rw_semaphore *sem, int subclass);
+extern void down_write_nested(struct rw_semaphore *sem, int subclass);
+/*
+ * Take/release a lock when not the owner will release it:
+ */
+extern void down_read_non_owner(struct rw_semaphore *sem);
+extern void up_read_non_owner(struct rw_semaphore *sem);
+#else
+# define down_read_nested(sem, subclass)		down_read(sem)
+# define down_write_nested(sem, subclass)	down_write(sem)
+# define down_read_non_owner(sem)		down_read(sem)
+# define up_read_non_owner(sem)			up_read(sem)
+#endif
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_RWSEM_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index aaf723308ed..1c876e27ff9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -184,11 +184,11 @@ extern unsigned long weighted_cpuload(const int cpu);
 extern rwlock_t tasklist_lock;
 extern spinlock_t mmlist_lock;
 
-typedef struct task_struct task_t;
+struct task_struct;
 
 extern void sched_init(void);
 extern void sched_init_smp(void);
-extern void init_idle(task_t *idle, int cpu);
+extern void init_idle(struct task_struct *idle, int cpu);
 
 extern cpumask_t nohz_cpu_mask;
 
@@ -383,7 +383,7 @@ struct signal_struct {
 	wait_queue_head_t	wait_chldexit;	/* for wait4() */
 
 	/* current thread group signal load-balancing target: */
-	task_t			*curr_target;
+	struct task_struct	*curr_target;
 
 	/* shared signal handling: */
 	struct sigpending	shared_pending;
@@ -534,7 +534,6 @@ extern struct user_struct *find_user(uid_t);
 extern struct user_struct root_user;
 #define INIT_USER (&root_user)
 
-typedef struct prio_array prio_array_t;
 struct backing_dev_info;
 struct reclaim_state;
 
@@ -699,7 +698,7 @@ extern int groups_search(struct group_info *group_info, gid_t grp);
     ((gi)->blocks[(i)/NGROUPS_PER_BLOCK][(i)%NGROUPS_PER_BLOCK])
 
 #ifdef ARCH_HAS_PREFETCH_SWITCH_STACK
-extern void prefetch_stack(struct task_struct*);
+extern void prefetch_stack(struct task_struct *t);
 #else
 static inline void prefetch_stack(struct task_struct *t) { }
 #endif
@@ -715,6 +714,8 @@ enum sleep_type {
 	SLEEP_INTERRUPTED,
 };
 
+struct prio_array;
+
 struct task_struct {
 	volatile long state;	/* -1 unrunnable, 0 runnable, >0 stopped */
 	struct thread_info *thread_info;
@@ -732,7 +733,7 @@ struct task_struct {
 	int load_weight;	/* for niceness load balancing purposes */
 	int prio, static_prio, normal_prio;
 	struct list_head run_list;
-	prio_array_t *array;
+	struct prio_array *array;
 
 	unsigned short ioprio;
 	unsigned int btrace_seq;
@@ -865,16 +866,34 @@ struct task_struct {
 	struct plist_head pi_waiters;
 	/* Deadlock detection and priority inheritance handling */
 	struct rt_mutex_waiter *pi_blocked_on;
-# ifdef CONFIG_DEBUG_RT_MUTEXES
-	spinlock_t held_list_lock;
-	struct list_head held_list_head;
-# endif
 #endif
 
 #ifdef CONFIG_DEBUG_MUTEXES
 	/* mutex deadlock detection */
 	struct mutex_waiter *blocked_on;
 #endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+	unsigned int irq_events;
+	int hardirqs_enabled;
+	unsigned long hardirq_enable_ip;
+	unsigned int hardirq_enable_event;
+	unsigned long hardirq_disable_ip;
+	unsigned int hardirq_disable_event;
+	int softirqs_enabled;
+	unsigned long softirq_disable_ip;
+	unsigned int softirq_disable_event;
+	unsigned long softirq_enable_ip;
+	unsigned int softirq_enable_event;
+	int hardirq_context;
+	int softirq_context;
+#endif
+#ifdef CONFIG_LOCKDEP
+# define MAX_LOCK_DEPTH 30UL
+	u64 curr_chain_key;
+	int lockdep_depth;
+	struct held_lock held_locks[MAX_LOCK_DEPTH];
+	unsigned int lockdep_recursion;
+#endif
 
 /* journalling filesystem info */
 	void *journal_info;
@@ -1013,9 +1032,9 @@ static inline void put_task_struct(struct task_struct *t)
 #define used_math() tsk_used_math(current)
 
 #ifdef CONFIG_SMP
-extern int set_cpus_allowed(task_t *p, cpumask_t new_mask);
+extern int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask);
 #else
-static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask)
+static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
 {
 	if (!cpu_isset(0, new_mask))
 		return -EINVAL;
@@ -1024,7 +1043,8 @@ static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask)
 #endif
 
 extern unsigned long long sched_clock(void);
-extern unsigned long long current_sched_time(const task_t *current_task);
+extern unsigned long long
+current_sched_time(const struct task_struct *current_task);
 
 /* sched_exec is called by processes performing an exec */
 #ifdef CONFIG_SMP
@@ -1042,27 +1062,27 @@ static inline void idle_task_exit(void) {}
 extern void sched_idle_next(void);
 
 #ifdef CONFIG_RT_MUTEXES
-extern int rt_mutex_getprio(task_t *p);
-extern void rt_mutex_setprio(task_t *p, int prio);
-extern void rt_mutex_adjust_pi(task_t *p);
+extern int rt_mutex_getprio(struct task_struct *p);
+extern void rt_mutex_setprio(struct task_struct *p, int prio);
+extern void rt_mutex_adjust_pi(struct task_struct *p);
 #else
-static inline int rt_mutex_getprio(task_t *p)
+static inline int rt_mutex_getprio(struct task_struct *p)
 {
 	return p->normal_prio;
 }
 # define rt_mutex_adjust_pi(p)		do { } while (0)
 #endif
 
-extern void set_user_nice(task_t *p, long nice);
-extern int task_prio(const task_t *p);
-extern int task_nice(const task_t *p);
-extern int can_nice(const task_t *p, const int nice);
-extern int task_curr(const task_t *p);
+extern void set_user_nice(struct task_struct *p, long nice);
+extern int task_prio(const struct task_struct *p);
+extern int task_nice(const struct task_struct *p);
+extern int can_nice(const struct task_struct *p, const int nice);
+extern int task_curr(const struct task_struct *p);
 extern int idle_cpu(int cpu);
 extern int sched_setscheduler(struct task_struct *, int, struct sched_param *);
-extern task_t *idle_task(int cpu);
-extern task_t *curr_task(int cpu);
-extern void set_curr_task(int cpu, task_t *p);
+extern struct task_struct *idle_task(int cpu);
+extern struct task_struct *curr_task(int cpu);
+extern void set_curr_task(int cpu, struct task_struct *p);
 
 void yield(void);
 
@@ -1119,8 +1139,8 @@ extern void FASTCALL(wake_up_new_task(struct task_struct * tsk,
 #else
  static inline void kick_process(struct task_struct *tsk) { }
 #endif
-extern void FASTCALL(sched_fork(task_t * p, int clone_flags));
-extern void FASTCALL(sched_exit(task_t * p));
+extern void FASTCALL(sched_fork(struct task_struct * p, int clone_flags));
+extern void FASTCALL(sched_exit(struct task_struct * p));
 
 extern int in_group_p(gid_t);
 extern int in_egroup_p(gid_t);
@@ -1225,17 +1245,17 @@ extern NORET_TYPE void do_group_exit(int);
 extern void daemonize(const char *, ...);
 extern int allow_signal(int);
 extern int disallow_signal(int);
-extern task_t *child_reaper;
+extern struct task_struct *child_reaper;
 
 extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
 extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
-task_t *fork_idle(int);
+struct task_struct *fork_idle(int);
 
 extern void set_task_comm(struct task_struct *tsk, char *from);
 extern void get_task_comm(char *to, struct task_struct *tsk);
 
 #ifdef CONFIG_SMP
-extern void wait_task_inactive(task_t * p);
+extern void wait_task_inactive(struct task_struct * p);
 #else
 #define wait_task_inactive(p)	do { } while (0)
 #endif
@@ -1261,13 +1281,13 @@ extern void wait_task_inactive(task_t * p);
 /* de_thread depends on thread_group_leader not being a pid based check */
 #define thread_group_leader(p)	(p == p->group_leader)
 
-static inline task_t *next_thread(const task_t *p)
+static inline struct task_struct *next_thread(const struct task_struct *p)
 {
 	return list_entry(rcu_dereference(p->thread_group.next),
-				task_t, thread_group);
+			  struct task_struct, thread_group);
 }
 
-static inline int thread_group_empty(task_t *p)
+static inline int thread_group_empty(struct task_struct *p)
 {
 	return list_empty(&p->thread_group);
 }
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 7bc5c7c12b5..46000936f8f 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -38,9 +38,17 @@ typedef struct {
  * These macros triggered gcc-3.x compile-time problems.  We think these are
  * OK now.  Be cautious.
  */
-#define SEQLOCK_UNLOCKED { 0, SPIN_LOCK_UNLOCKED }
-#define seqlock_init(x)	do { *(x) = (seqlock_t) SEQLOCK_UNLOCKED; } while (0)
+#define __SEQLOCK_UNLOCKED(lockname) \
+		 { 0, __SPIN_LOCK_UNLOCKED(lockname) }
 
+#define SEQLOCK_UNLOCKED \
+		 __SEQLOCK_UNLOCKED(old_style_seqlock_init)
+
+#define seqlock_init(x) \
+		do { *(x) = (seqlock_t) __SEQLOCK_UNLOCKED(x); } while (0)
+
+#define DEFINE_SEQLOCK(x) \
+		seqlock_t x = __SEQLOCK_UNLOCKED(x)
 
 /* Lock out other writers and update the count.
  * Acts like a normal spin_lock/unlock.
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index fc1104a2cfa..058cba70818 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -216,10 +216,11 @@ struct uart_port {
 	unsigned char __iomem	*membase;		/* read/write[bwl] */
 	unsigned int		irq;			/* irq number */
 	unsigned int		uartclk;		/* base uart clock */
-	unsigned char		fifosize;		/* tx fifo size */
+	unsigned int		fifosize;		/* tx fifo size */
 	unsigned char		x_char;			/* xon/xoff char */
 	unsigned char		regshift;		/* reg offset shift */
 	unsigned char		iotype;			/* io access style */
+	unsigned char		unused1;
 
 #define UPIO_PORT		(0)
 #define UPIO_HUB6		(1)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 57d7d4965f9..3597b4f1438 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -604,9 +604,12 @@ static inline __u32 skb_queue_len(const struct sk_buff_head *list_)
 	return list_->qlen;
 }
 
+extern struct lock_class_key skb_queue_lock_key;
+
 static inline void skb_queue_head_init(struct sk_buff_head *list)
 {
 	spin_lock_init(&list->lock);
+	lockdep_set_class(&list->lock, &skb_queue_lock_key);
 	list->prev = list->next = (struct sk_buff *)list;
 	list->qlen = 0;
 }
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index ae23beef9cc..31473db92d3 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -82,14 +82,40 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
 /*
  * Pull the __raw*() functions/declarations (UP-nondebug doesnt need them):
  */
-#if defined(CONFIG_SMP)
+#ifdef CONFIG_SMP
 # include <asm/spinlock.h>
 #else
 # include <linux/spinlock_up.h>
 #endif
 
-#define spin_lock_init(lock)	do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0)
-#define rwlock_init(lock)	do { *(lock) = RW_LOCK_UNLOCKED; } while (0)
+#ifdef CONFIG_DEBUG_SPINLOCK
+  extern void __spin_lock_init(spinlock_t *lock, const char *name,
+			       struct lock_class_key *key);
+# define spin_lock_init(lock)					\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__spin_lock_init((lock), #lock, &__key);		\
+} while (0)
+
+#else
+# define spin_lock_init(lock)					\
+	do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_SPINLOCK
+  extern void __rwlock_init(rwlock_t *lock, const char *name,
+			    struct lock_class_key *key);
+# define rwlock_init(lock)					\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__rwlock_init((lock), #lock, &__key);			\
+} while (0)
+#else
+# define rwlock_init(lock)					\
+	do { *(lock) = RW_LOCK_UNLOCKED; } while (0)
+#endif
 
 #define spin_is_locked(lock)	__raw_spin_is_locked(&(lock)->raw_lock)
 
@@ -113,7 +139,6 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
 #define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock)
  extern int _raw_spin_trylock(spinlock_t *lock);
  extern void _raw_spin_unlock(spinlock_t *lock);
-
  extern void _raw_read_lock(rwlock_t *lock);
  extern int _raw_read_trylock(rwlock_t *lock);
  extern void _raw_read_unlock(rwlock_t *lock);
@@ -121,17 +146,17 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
  extern int _raw_write_trylock(rwlock_t *lock);
  extern void _raw_write_unlock(rwlock_t *lock);
 #else
-# define _raw_spin_unlock(lock)		__raw_spin_unlock(&(lock)->raw_lock)
-# define _raw_spin_trylock(lock)	__raw_spin_trylock(&(lock)->raw_lock)
 # define _raw_spin_lock(lock)		__raw_spin_lock(&(lock)->raw_lock)
 # define _raw_spin_lock_flags(lock, flags) \
 		__raw_spin_lock_flags(&(lock)->raw_lock, *(flags))
+# define _raw_spin_trylock(lock)	__raw_spin_trylock(&(lock)->raw_lock)
+# define _raw_spin_unlock(lock)		__raw_spin_unlock(&(lock)->raw_lock)
 # define _raw_read_lock(rwlock)		__raw_read_lock(&(rwlock)->raw_lock)
-# define _raw_write_lock(rwlock)	__raw_write_lock(&(rwlock)->raw_lock)
-# define _raw_read_unlock(rwlock)	__raw_read_unlock(&(rwlock)->raw_lock)
-# define _raw_write_unlock(rwlock)	__raw_write_unlock(&(rwlock)->raw_lock)
 # define _raw_read_trylock(rwlock)	__raw_read_trylock(&(rwlock)->raw_lock)
+# define _raw_read_unlock(rwlock)	__raw_read_unlock(&(rwlock)->raw_lock)
+# define _raw_write_lock(rwlock)	__raw_write_lock(&(rwlock)->raw_lock)
 # define _raw_write_trylock(rwlock)	__raw_write_trylock(&(rwlock)->raw_lock)
+# define _raw_write_unlock(rwlock)	__raw_write_unlock(&(rwlock)->raw_lock)
 #endif
 
 #define read_can_lock(rwlock)		__raw_read_can_lock(&(rwlock)->raw_lock)
@@ -147,6 +172,13 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
 #define write_trylock(lock)		__cond_lock(_write_trylock(lock))
 
 #define spin_lock(lock)			_spin_lock(lock)
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define spin_lock_nested(lock, subclass) _spin_lock_nested(lock, subclass)
+#else
+# define spin_lock_nested(lock, subclass) _spin_lock(lock)
+#endif
+
 #define write_lock(lock)		_write_lock(lock)
 #define read_lock(lock)			_read_lock(lock)
 
@@ -172,21 +204,18 @@ extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock);
 /*
  * We inline the unlock functions in the nondebug case:
  */
-#if defined(CONFIG_DEBUG_SPINLOCK) || defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP)
+#if defined(CONFIG_DEBUG_SPINLOCK) || defined(CONFIG_PREEMPT) || \
+	!defined(CONFIG_SMP)
 # define spin_unlock(lock)		_spin_unlock(lock)
 # define read_unlock(lock)		_read_unlock(lock)
 # define write_unlock(lock)		_write_unlock(lock)
-#else
-# define spin_unlock(lock)		__raw_spin_unlock(&(lock)->raw_lock)
-# define read_unlock(lock)		__raw_read_unlock(&(lock)->raw_lock)
-# define write_unlock(lock)		__raw_write_unlock(&(lock)->raw_lock)
-#endif
-
-#if defined(CONFIG_DEBUG_SPINLOCK) || defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP)
 # define spin_unlock_irq(lock)		_spin_unlock_irq(lock)
 # define read_unlock_irq(lock)		_read_unlock_irq(lock)
 # define write_unlock_irq(lock)		_write_unlock_irq(lock)
 #else
+# define spin_unlock(lock)		__raw_spin_unlock(&(lock)->raw_lock)
+# define read_unlock(lock)		__raw_read_unlock(&(lock)->raw_lock)
+# define write_unlock(lock)		__raw_write_unlock(&(lock)->raw_lock)
 # define spin_unlock_irq(lock) \
     do { __raw_spin_unlock(&(lock)->raw_lock); local_irq_enable(); } while (0)
 # define read_unlock_irq(lock) \
diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index 78e6989ffb5..b2c4f829946 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -20,6 +20,8 @@ int in_lock_functions(unsigned long addr);
 #define assert_spin_locked(x)	BUG_ON(!spin_is_locked(x))
 
 void __lockfunc _spin_lock(spinlock_t *lock)		__acquires(spinlock_t);
+void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
+							__acquires(spinlock_t);
 void __lockfunc _read_lock(rwlock_t *lock)		__acquires(rwlock_t);
 void __lockfunc _write_lock(rwlock_t *lock)		__acquires(rwlock_t);
 void __lockfunc _spin_lock_bh(spinlock_t *lock)		__acquires(spinlock_t);
diff --git a/include/linux/spinlock_api_up.h b/include/linux/spinlock_api_up.h
index cd81cee566f..67faa044c5f 100644
--- a/include/linux/spinlock_api_up.h
+++ b/include/linux/spinlock_api_up.h
@@ -49,6 +49,7 @@
   do { local_irq_restore(flags); __UNLOCK(lock); } while (0)
 
 #define _spin_lock(lock)			__LOCK(lock)
+#define _spin_lock_nested(lock, subclass)	__LOCK(lock)
 #define _read_lock(lock)			__LOCK(lock)
 #define _write_lock(lock)			__LOCK(lock)
 #define _spin_lock_bh(lock)			__LOCK_BH(lock)
diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h
index 9cb51e07039..dc5fb69e4de 100644
--- a/include/linux/spinlock_types.h
+++ b/include/linux/spinlock_types.h
@@ -9,6 +9,8 @@
  * Released under the General Public License (GPL).
  */
 
+#include <linux/lockdep.h>
+
 #if defined(CONFIG_SMP)
 # include <asm/spinlock_types.h>
 #else
@@ -24,6 +26,9 @@ typedef struct {
 	unsigned int magic, owner_cpu;
 	void *owner;
 #endif
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
+#endif
 } spinlock_t;
 
 #define SPINLOCK_MAGIC		0xdead4ead
@@ -37,31 +42,53 @@ typedef struct {
 	unsigned int magic, owner_cpu;
 	void *owner;
 #endif
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
+#endif
 } rwlock_t;
 
 #define RWLOCK_MAGIC		0xdeaf1eed
 
 #define SPINLOCK_OWNER_INIT	((void *)-1L)
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define SPIN_DEP_MAP_INIT(lockname)	.dep_map = { .name = #lockname }
+#else
+# define SPIN_DEP_MAP_INIT(lockname)
+#endif
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define RW_DEP_MAP_INIT(lockname)	.dep_map = { .name = #lockname }
+#else
+# define RW_DEP_MAP_INIT(lockname)
+#endif
+
 #ifdef CONFIG_DEBUG_SPINLOCK
-# define SPIN_LOCK_UNLOCKED						\
+# define __SPIN_LOCK_UNLOCKED(lockname)					\
 	(spinlock_t)	{	.raw_lock = __RAW_SPIN_LOCK_UNLOCKED,	\
 				.magic = SPINLOCK_MAGIC,		\
 				.owner = SPINLOCK_OWNER_INIT,		\
-				.owner_cpu = -1 }
-#define RW_LOCK_UNLOCKED						\
+				.owner_cpu = -1,			\
+				SPIN_DEP_MAP_INIT(lockname) }
+#define __RW_LOCK_UNLOCKED(lockname)					\
 	(rwlock_t)	{	.raw_lock = __RAW_RW_LOCK_UNLOCKED,	\
 				.magic = RWLOCK_MAGIC,			\
 				.owner = SPINLOCK_OWNER_INIT,		\
-				.owner_cpu = -1 }
+				.owner_cpu = -1,			\
+				RW_DEP_MAP_INIT(lockname) }
 #else
-# define SPIN_LOCK_UNLOCKED \
-	(spinlock_t)	{	.raw_lock = __RAW_SPIN_LOCK_UNLOCKED }
-#define RW_LOCK_UNLOCKED \
-	(rwlock_t)	{	.raw_lock = __RAW_RW_LOCK_UNLOCKED }
+# define __SPIN_LOCK_UNLOCKED(lockname) \
+	(spinlock_t)	{	.raw_lock = __RAW_SPIN_LOCK_UNLOCKED,	\
+				SPIN_DEP_MAP_INIT(lockname) }
+#define __RW_LOCK_UNLOCKED(lockname) \
+	(rwlock_t)	{	.raw_lock = __RAW_RW_LOCK_UNLOCKED,	\
+				RW_DEP_MAP_INIT(lockname) }
 #endif
 
-#define DEFINE_SPINLOCK(x)	spinlock_t x = SPIN_LOCK_UNLOCKED
-#define DEFINE_RWLOCK(x)	rwlock_t x = RW_LOCK_UNLOCKED
+#define SPIN_LOCK_UNLOCKED	__SPIN_LOCK_UNLOCKED(old_style_spin_init)
+#define RW_LOCK_UNLOCKED	__RW_LOCK_UNLOCKED(old_style_rw_init)
+
+#define DEFINE_SPINLOCK(x)	spinlock_t x = __SPIN_LOCK_UNLOCKED(x)
+#define DEFINE_RWLOCK(x)	rwlock_t x = __RW_LOCK_UNLOCKED(x)
 
 #endif /* __LINUX_SPINLOCK_TYPES_H */
diff --git a/include/linux/spinlock_types_up.h b/include/linux/spinlock_types_up.h
index 04135b0e198..27644af20b7 100644
--- a/include/linux/spinlock_types_up.h
+++ b/include/linux/spinlock_types_up.h
@@ -12,10 +12,14 @@
  * Released under the General Public License (GPL).
  */
 
-#ifdef CONFIG_DEBUG_SPINLOCK
+#if defined(CONFIG_DEBUG_SPINLOCK) || \
+	defined(CONFIG_DEBUG_LOCK_ALLOC)
 
 typedef struct {
 	volatile unsigned int slock;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
+#endif
 } raw_spinlock_t;
 
 #define __RAW_SPIN_LOCK_UNLOCKED { 1 }
@@ -30,6 +34,9 @@ typedef struct { } raw_spinlock_t;
 
 typedef struct {
 	/* no debug version on UP */
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
+#endif
 } raw_rwlock_t;
 
 #define __RAW_RW_LOCK_UNLOCKED { }
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index 31accf2f0b1..ea54c4c9a4e 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -18,7 +18,6 @@
  */
 
 #ifdef CONFIG_DEBUG_SPINLOCK
-
 #define __raw_spin_is_locked(x)		((x)->slock == 0)
 
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
new file mode 100644
index 00000000000..9cc81e57222
--- /dev/null
+++ b/include/linux/stacktrace.h
@@ -0,0 +1,20 @@
+#ifndef __LINUX_STACKTRACE_H
+#define __LINUX_STACKTRACE_H
+
+#ifdef CONFIG_STACKTRACE
+struct stack_trace {
+	unsigned int nr_entries, max_entries;
+	unsigned long *entries;
+};
+
+extern void save_stack_trace(struct stack_trace *trace,
+			     struct task_struct *task, int all_contexts,
+			     unsigned int skip);
+
+extern void print_stack_trace(struct stack_trace *trace, int spaces);
+#else
+# define save_stack_trace(trace, task, all, skip)	do { } while (0)
+# define print_stack_trace(trace)			do { } while (0)
+#endif
+
+#endif
diff --git a/include/linux/sunrpc/Kbuild b/include/linux/sunrpc/Kbuild
new file mode 100644
index 00000000000..0d1d768a27b
--- /dev/null
+++ b/include/linux/sunrpc/Kbuild
@@ -0,0 +1 @@
+unifdef-y := debug.h
diff --git a/include/linux/swap.h b/include/linux/swap.h
index cf6ca6e377b..5e59184c909 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -189,6 +189,7 @@ extern long vm_total_pages;
 
 #ifdef CONFIG_NUMA
 extern int zone_reclaim_mode;
+extern int sysctl_min_unmapped_ratio;
 extern int zone_reclaim(struct zone *, gfp_t, unsigned int);
 #else
 #define zone_reclaim_mode 0
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 46e4d8f2771..e4b1a4d4dcf 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -188,7 +188,7 @@ enum
 	VM_DROP_PAGECACHE=29,	/* int: nuke lots of pagecache */
 	VM_PERCPU_PAGELIST_FRACTION=30,/* int: fraction of pages in each percpu_pagelist */
 	VM_ZONE_RECLAIM_MODE=31, /* reclaim local zone memory before going off node */
-	VM_ZONE_RECLAIM_INTERVAL=32, /* time period to wait after reclaim failure */
+	VM_MIN_UNMAPPED=32,	/* Set min percent of unmapped pages */
 	VM_PANIC_ON_OOM=33,	/* panic at out-of-memory */
 	VM_VDSO_ENABLED=34,	/* map VDSO into new processes? */
 };
diff --git a/include/linux/tc_act/Kbuild b/include/linux/tc_act/Kbuild
new file mode 100644
index 00000000000..5251a505b2f
--- /dev/null
+++ b/include/linux/tc_act/Kbuild
@@ -0,0 +1 @@
+header-y += tc_gact.h tc_ipt.h tc_mirred.h tc_pedit.h
diff --git a/include/linux/tc_ematch/Kbuild b/include/linux/tc_ematch/Kbuild
new file mode 100644
index 00000000000..381e93018df
--- /dev/null
+++ b/include/linux/tc_ematch/Kbuild
@@ -0,0 +1 @@
+headers-y := tc_em_cmp.h tc_em_meta.h tc_em_nbyte.h tc_em_text.h
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index dc7c621e464..46919f9f5eb 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -1,4 +1,4 @@
-#include <linux/version.h>
+#include <linux/utsrelease.h>
 #include <linux/module.h>
 
 /* Simply sanity version stamp for modules. */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 544e855c7c0..794be7af58a 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -68,7 +68,7 @@ struct task_struct;
 	wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk)
 
 #define __WAIT_QUEUE_HEAD_INITIALIZER(name) {				\
-	.lock		= SPIN_LOCK_UNLOCKED,				\
+	.lock		= __SPIN_LOCK_UNLOCKED(name.lock),		\
 	.task_list	= { &(name).task_list, &(name).task_list } }
 
 #define DECLARE_WAIT_QUEUE_HEAD(name) \
@@ -77,9 +77,15 @@ struct task_struct;
 #define __WAIT_BIT_KEY_INITIALIZER(word, bit)				\
 	{ .flags = word, .bit_nr = bit, }
 
+/*
+ * lockdep: we want one lock-class for all waitqueue locks.
+ */
+extern struct lock_class_key waitqueue_lock_key;
+
 static inline void init_waitqueue_head(wait_queue_head_t *q)
 {
 	spin_lock_init(&q->lock);
+	lockdep_set_class(&q->lock, &waitqueue_lock_key);
 	INIT_LIST_HEAD(&q->task_list);
 }
 
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 957c21c16d6..9bca3539a1e 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -63,6 +63,8 @@ extern void destroy_workqueue(struct workqueue_struct *wq);
 
 extern int FASTCALL(queue_work(struct workqueue_struct *wq, struct work_struct *work));
 extern int FASTCALL(queue_delayed_work(struct workqueue_struct *wq, struct work_struct *work, unsigned long delay));
+extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
+	struct work_struct *work, unsigned long delay);
 extern void FASTCALL(flush_workqueue(struct workqueue_struct *wq));
 
 extern int FASTCALL(schedule_work(struct work_struct *work));
diff --git a/include/mtd/Kbuild b/include/mtd/Kbuild
new file mode 100644
index 00000000000..e1da2a5b2a5
--- /dev/null
+++ b/include/mtd/Kbuild
@@ -0,0 +1,2 @@
+unifdef-y := mtd-abi.h
+header-y := inftl-user.h jffs2-user.h mtd-user.h nftl-user.h
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 31329fce1ff..1da3f7fa799 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -133,7 +133,7 @@ struct nand_ecclayout {
 };
 
 /**
- * struct mtd_ecc_stats - error correction status
+ * struct mtd_ecc_stats - error correction stats
  *
  * @corrected:	number of corrected bits
  * @failed:	number of uncorrectable errors
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 5ba72d95280..2fec827c880 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -67,6 +67,9 @@ struct unix_skb_parms {
 #define unix_state_rlock(s)	spin_lock(&unix_sk(s)->lock)
 #define unix_state_runlock(s)	spin_unlock(&unix_sk(s)->lock)
 #define unix_state_wlock(s)	spin_lock(&unix_sk(s)->lock)
+#define unix_state_wlock_nested(s) \
+				spin_lock_nested(&unix_sk(s)->lock, \
+				SINGLE_DEPTH_NESTING)
 #define unix_state_wunlock(s)	spin_unlock(&unix_sk(s)->lock)
 
 #ifdef __KERNEL__
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 7cd528e9d66..69374cd1a85 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -182,14 +182,26 @@ typedef struct {
 
 typedef struct ax25_route {
 	struct ax25_route	*next;
-	atomic_t		ref;
+	atomic_t		refcount;
 	ax25_address		callsign;
 	struct net_device	*dev;
 	ax25_digi		*digipeat;
 	char			ip_mode;
-	struct timer_list	timer;
 } ax25_route;
 
+static inline void ax25_hold_route(ax25_route *ax25_rt)
+{
+	atomic_inc(&ax25_rt->refcount);
+}
+
+extern void __ax25_put_route(ax25_route *ax25_rt);
+
+static inline void ax25_put_route(ax25_route *ax25_rt)
+{
+	if (atomic_dec_and_test(&ax25_rt->refcount))
+		__ax25_put_route(ax25_rt);
+}
+
 typedef struct {
 	char			slave;			/* slave_mode?   */
 	struct timer_list	slave_timer;		/* timeout timer */
@@ -348,17 +360,11 @@ extern int  ax25_check_iframes_acked(ax25_cb *, unsigned short);
 extern void ax25_rt_device_down(struct net_device *);
 extern int  ax25_rt_ioctl(unsigned int, void __user *);
 extern struct file_operations ax25_route_fops;
+extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev);
 extern int  ax25_rt_autobind(ax25_cb *, ax25_address *);
-extern ax25_route *ax25_rt_find_route(ax25_route *, ax25_address *,
-	struct net_device *);
 extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *);
 extern void ax25_rt_free(void);
 
-static inline void ax25_put_route(ax25_route *ax25_rt)
-{
-	atomic_dec(&ax25_rt->ref);
-}
-
 /* ax25_std_in.c */
 extern int  ax25_std_frame_in(ax25_cb *, struct sk_buff *, int);
 
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 911ceb5cd26..771d17783c1 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -175,6 +175,6 @@ extern int hci_sock_cleanup(void);
 extern int bt_sysfs_init(void);
 extern void bt_sysfs_cleanup(void);
 
-extern struct class bt_class;
+extern struct class *bt_class;
 
 #endif /* __BLUETOOTH_H */
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index b06a2d2f63d..b2bdb1aa042 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -54,7 +54,8 @@
 /* HCI device quirks */
 enum {
 	HCI_QUIRK_RESET_ON_INIT,
-	HCI_QUIRK_RAW_DEVICE
+	HCI_QUIRK_RAW_DEVICE,
+	HCI_QUIRK_FIXUP_BUFFER_SIZE
 };
 
 /* HCI device flags */
@@ -100,9 +101,10 @@ enum {
 #define HCIINQUIRY	_IOR('H', 240, int)
 
 /* HCI timeouts */
-#define HCI_CONN_TIMEOUT	(HZ * 40)
-#define HCI_DISCONN_TIMEOUT	(HZ * 2)
-#define HCI_CONN_IDLE_TIMEOUT	(HZ * 60)
+#define HCI_CONNECT_TIMEOUT	(40000)	/* 40 seconds */
+#define HCI_DISCONN_TIMEOUT	(2000)	/* 2 seconds */
+#define HCI_IDLE_TIMEOUT	(6000)	/* 6 seconds */
+#define HCI_INIT_TIMEOUT	(10000)	/* 10 seconds */
 
 /* HCI Packet types */
 #define HCI_COMMAND_PKT		0x01
@@ -144,7 +146,7 @@ enum {
 #define LMP_TACCURACY	0x10
 #define LMP_RSWITCH	0x20
 #define LMP_HOLD	0x40
-#define LMP_SNIF	0x80
+#define LMP_SNIFF	0x80
 
 #define LMP_PARK	0x01
 #define LMP_RSSI	0x02
@@ -159,13 +161,21 @@ enum {
 #define LMP_PSCHEME	0x02
 #define LMP_PCONTROL	0x04
 
+#define LMP_SNIFF_SUBR	0x02
+
+/* Connection modes */
+#define HCI_CM_ACTIVE	0x0000
+#define HCI_CM_HOLD	0x0001
+#define HCI_CM_SNIFF	0x0002
+#define HCI_CM_PARK	0x0003
+
 /* Link policies */
 #define HCI_LP_RSWITCH	0x0001
 #define HCI_LP_HOLD	0x0002
 #define HCI_LP_SNIFF	0x0004
 #define HCI_LP_PARK	0x0008
 
-/* Link mode */
+/* Link modes */
 #define HCI_LM_ACCEPT	0x8000
 #define HCI_LM_MASTER	0x0001
 #define HCI_LM_AUTH	0x0002
@@ -191,7 +201,7 @@ struct hci_rp_read_loc_version {
 } __attribute__ ((packed));
 
 #define OCF_READ_LOCAL_FEATURES	0x0003
-struct hci_rp_read_loc_features {
+struct hci_rp_read_local_features {
 	__u8 status;
 	__u8 features[8];
 } __attribute__ ((packed));
@@ -375,17 +385,32 @@ struct hci_cp_change_conn_link_key {
 } __attribute__ ((packed));
 
 #define OCF_READ_REMOTE_FEATURES 0x001B
-struct hci_cp_read_rmt_features {
+struct hci_cp_read_remote_features {
 	__le16   handle;
 } __attribute__ ((packed));
 
 #define OCF_READ_REMOTE_VERSION 0x001D
-struct hci_cp_read_rmt_version {
+struct hci_cp_read_remote_version {
 	__le16   handle;
 } __attribute__ ((packed));
 
 /* Link Policy */
-#define OGF_LINK_POLICY	 0x02   
+#define OGF_LINK_POLICY	0x02   
+
+#define OCF_SNIFF_MODE		0x0003
+struct hci_cp_sniff_mode {
+	__le16   handle;
+	__le16   max_interval;
+	__le16   min_interval;
+	__le16   attempt;
+	__le16   timeout;
+} __attribute__ ((packed));
+
+#define OCF_EXIT_SNIFF_MODE	0x0004
+struct hci_cp_exit_sniff_mode {
+	__le16   handle;
+} __attribute__ ((packed));
+
 #define OCF_ROLE_DISCOVERY	0x0009
 struct hci_cp_role_discovery {
 	__le16   handle;
@@ -406,7 +431,7 @@ struct hci_rp_read_link_policy {
 	__le16   policy;
 } __attribute__ ((packed));
 
-#define OCF_SWITCH_ROLE	0x000B
+#define OCF_SWITCH_ROLE		0x000B
 struct hci_cp_switch_role {
 	bdaddr_t bdaddr;
 	__u8     role;
@@ -422,6 +447,14 @@ struct hci_rp_write_link_policy {
 	__le16   handle;
 } __attribute__ ((packed));
 
+#define OCF_SNIFF_SUBRATE	0x0011
+struct hci_cp_sniff_subrate {
+	__le16   handle;
+	__le16   max_latency;
+	__le16   min_remote_timeout;
+	__le16   min_local_timeout;
+} __attribute__ ((packed));
+
 /* Status params */
 #define OGF_STATUS_PARAM	0x05
 
@@ -581,15 +614,15 @@ struct hci_ev_link_key_notify {
 	__u8	 key_type;
 } __attribute__ ((packed));
 
-#define HCI_EV_RMT_FEATURES	0x0B
-struct hci_ev_rmt_features {
+#define HCI_EV_REMOTE_FEATURES	0x0B
+struct hci_ev_remote_features {
 	__u8     status;
 	__le16   handle;
 	__u8     features[8];
 } __attribute__ ((packed));
 
-#define HCI_EV_RMT_VERSION	0x0C
-struct hci_ev_rmt_version {
+#define HCI_EV_REMOTE_VERSION	0x0C
+struct hci_ev_remote_version {
 	__u8     status;
 	__le16   handle;
 	__u8     lmp_ver;
@@ -610,6 +643,16 @@ struct hci_ev_pscan_rep_mode {
 	__u8     pscan_rep_mode;
 } __attribute__ ((packed));
 
+#define HCI_EV_SNIFF_SUBRATE	0x2E
+struct hci_ev_sniff_subrate {
+	__u8     status;
+	__le16   handle;
+	__le16   max_tx_latency;
+	__le16   max_rx_latency;
+	__le16   max_remote_timeout;
+	__le16   max_local_timeout;
+} __attribute__ ((packed));
+
 /* Internal events generated by Bluetooth stack */
 #define HCI_EV_STACK_INTERNAL	0xFD
 struct hci_ev_stack_internal {
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index bb9f81dc872..d84855fe733 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -31,10 +31,7 @@
 #define HCI_PROTO_L2CAP	0
 #define HCI_PROTO_SCO	1
 
-#define HCI_INIT_TIMEOUT (HZ * 10)
-
 /* HCI Core structures */
-
 struct inquiry_data {
 	bdaddr_t	bdaddr;
 	__u8		pscan_rep_mode;
@@ -81,6 +78,10 @@ struct hci_dev {
 	__u16		link_policy;
 	__u16		link_mode;
 
+	__u32		idle_timeout;
+	__u16		sniff_min_interval;
+	__u16		sniff_max_interval;
+
 	unsigned long	quirks;
 
 	atomic_t	cmd_cnt;
@@ -123,7 +124,8 @@ struct hci_dev {
 
 	atomic_t 		promisc;
 
-	struct class_device	class_dev;
+	struct device		*parent;
+	struct device		dev;
 
 	struct module 		*owner;
 
@@ -145,18 +147,24 @@ struct hci_conn {
 	bdaddr_t	 dst;
 	__u16		 handle;
 	__u16		 state;
+	__u8             mode;
 	__u8		 type;
 	__u8		 out;
 	__u8		 dev_class[3];
+	__u8             features[8];
+	__u16            interval;
+	__u16            link_policy;
 	__u32		 link_mode;
+	__u8             power_save;
 	unsigned long	 pend;
-	
+
 	unsigned int	 sent;
-	
+
 	struct sk_buff_head data_q;
 
-	struct timer_list timer;
-	
+	struct timer_list disc_timer;
+	struct timer_list idle_timer;
+
 	struct hci_dev	*hdev;
 	void		*l2cap_data;
 	void		*sco_data;
@@ -211,7 +219,8 @@ void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data);
 enum {
 	HCI_CONN_AUTH_PEND,
 	HCI_CONN_ENCRYPT_PEND,
-	HCI_CONN_RSWITCH_PEND
+	HCI_CONN_RSWITCH_PEND,
+	HCI_CONN_MODE_CHANGE_PEND,
 };
 
 static inline void hci_conn_hash_init(struct hci_dev *hdev)
@@ -286,31 +295,27 @@ int hci_conn_encrypt(struct hci_conn *conn);
 int hci_conn_change_link_key(struct hci_conn *conn);
 int hci_conn_switch_role(struct hci_conn *conn, uint8_t role);
 
-static inline void hci_conn_set_timer(struct hci_conn *conn, unsigned long timeout)
-{
-	mod_timer(&conn->timer, jiffies + timeout);
-}
-
-static inline void hci_conn_del_timer(struct hci_conn *conn)
-{
-	del_timer(&conn->timer);
-}
+void hci_conn_enter_active_mode(struct hci_conn *conn);
+void hci_conn_enter_sniff_mode(struct hci_conn *conn);
 
 static inline void hci_conn_hold(struct hci_conn *conn)
 {
 	atomic_inc(&conn->refcnt);
-	hci_conn_del_timer(conn);
+	del_timer(&conn->disc_timer);
 }
 
 static inline void hci_conn_put(struct hci_conn *conn)
 {
 	if (atomic_dec_and_test(&conn->refcnt)) {
+		unsigned long timeo;
 		if (conn->type == ACL_LINK) {
-			unsigned long timeo = (conn->out) ?
-				HCI_DISCONN_TIMEOUT : HCI_DISCONN_TIMEOUT * 2;
-			hci_conn_set_timer(conn, timeo);
+			timeo = msecs_to_jiffies(HCI_DISCONN_TIMEOUT);
+			if (!conn->out)
+				timeo *= 2;
+			del_timer(&conn->idle_timer);
 		} else
-			hci_conn_set_timer(conn, HZ / 100);
+			timeo = msecs_to_jiffies(10);
+		mod_timer(&conn->disc_timer, jiffies + timeo);
 	}
 }
 
@@ -408,11 +413,13 @@ static inline int hci_recv_frame(struct sk_buff *skb)
 int hci_register_sysfs(struct hci_dev *hdev);
 void hci_unregister_sysfs(struct hci_dev *hdev);
 
-#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->class_dev.dev = (pdev))
+#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
 
 /* ----- LMP capabilities ----- */
-#define lmp_rswitch_capable(dev) (dev->features[0] & LMP_RSWITCH)
-#define lmp_encrypt_capable(dev) (dev->features[0] & LMP_ENCRYPT)
+#define lmp_rswitch_capable(dev)   ((dev)->features[0] & LMP_RSWITCH)
+#define lmp_encrypt_capable(dev)   ((dev)->features[0] & LMP_ENCRYPT)
+#define lmp_sniff_capable(dev)     ((dev)->features[0] & LMP_SNIFF)
+#define lmp_sniffsubr_capable(dev) ((dev)->features[5] & LMP_SNIFF_SUBR)
 
 /* ----- HCI protocols ----- */
 struct hci_proto {
diff --git a/include/net/sock.h b/include/net/sock.h
index 7b3d6b85694..324b3ea233d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -44,6 +44,7 @@
 #include <linux/timer.h>
 #include <linux/cache.h>
 #include <linux/module.h>
+#include <linux/lockdep.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>	/* struct sk_buff */
 #include <linux/security.h>
@@ -78,14 +79,17 @@ typedef struct {
 	spinlock_t		slock;
 	struct sock_iocb	*owner;
 	wait_queue_head_t	wq;
+	/*
+	 * We express the mutex-alike socket_lock semantics
+	 * to the lock validator by explicitly managing
+	 * the slock as a lock variant (in addition to
+	 * the slock itself):
+	 */
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lockdep_map dep_map;
+#endif
 } socket_lock_t;
 
-#define sock_lock_init(__sk) \
-do {	spin_lock_init(&((__sk)->sk_lock.slock)); \
-	(__sk)->sk_lock.owner = NULL; \
-	init_waitqueue_head(&((__sk)->sk_lock.wq)); \
-} while(0)
-
 struct sock;
 struct proto;
 
@@ -747,6 +751,9 @@ extern void FASTCALL(release_sock(struct sock *sk));
 
 /* BH context may only use the following locking interface. */
 #define bh_lock_sock(__sk)	spin_lock(&((__sk)->sk_lock.slock))
+#define bh_lock_sock_nested(__sk) \
+				spin_lock_nested(&((__sk)->sk_lock.slock), \
+				SINGLE_DEPTH_NESTING)
 #define bh_unlock_sock(__sk)	spin_unlock(&((__sk)->sk_lock.slock))
 
 extern struct sock		*sk_alloc(int family,
diff --git a/include/rdma/Kbuild b/include/rdma/Kbuild
new file mode 100644
index 00000000000..eb710ba9b1a
--- /dev/null
+++ b/include/rdma/Kbuild
@@ -0,0 +1 @@
+header-y := ib_user_mad.h
diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild
new file mode 100644
index 00000000000..14a033d7331
--- /dev/null
+++ b/include/scsi/Kbuild
@@ -0,0 +1,2 @@
+header-y += scsi.h
+unifdef-y := scsi_ioctl.h sg.h
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 253797c6009..55ebf035e62 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -47,10 +47,19 @@ enum iscsi_uevent_e {
 	ISCSI_UEVENT_TRANSPORT_EP_POLL		= UEVENT_BASE + 13,
 	ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT	= UEVENT_BASE + 14,
 
+	ISCSI_UEVENT_TGT_DSCVR		= UEVENT_BASE + 15,
+
 	/* up events */
 	ISCSI_KEVENT_RECV_PDU		= KEVENT_BASE + 1,
 	ISCSI_KEVENT_CONN_ERROR		= KEVENT_BASE + 2,
 	ISCSI_KEVENT_IF_ERROR		= KEVENT_BASE + 3,
+	ISCSI_KEVENT_DESTROY_SESSION	= KEVENT_BASE + 4,
+};
+
+enum iscsi_tgt_dscvr {
+	ISCSI_TGT_DSCVR_SEND_TARGETS	= 1,
+	ISCSI_TGT_DSCVR_ISNS		= 2,
+	ISCSI_TGT_DSCVR_SLP		= 3,
 };
 
 struct iscsi_uevent {
@@ -116,6 +125,17 @@ struct iscsi_uevent {
 		struct msg_transport_disconnect {
 			uint64_t	ep_handle;
 		} ep_disconnect;
+		struct msg_tgt_dscvr {
+			enum iscsi_tgt_dscvr	type;
+			uint32_t	host_no;
+			/*
+ 			 * enable = 1 to establish a new connection
+			 * with the server. enable = 0 to disconnect
+			 * from the server. Used primarily to switch
+			 * from one iSNS server to another.
+			 */
+			uint32_t	enable;
+		} tgt_dscvr;
 	} u;
 	union {
 		/* messages k -> u */
@@ -138,6 +158,10 @@ struct iscsi_uevent {
 			uint32_t	cid;
 			uint32_t	error; /* enum iscsi_err */
 		} connerror;
+		struct msg_session_destroyed {
+			uint32_t	host_no;
+			uint32_t	sid;
+		} d_session;
 		struct msg_transport_connect_ret {
 			uint64_t	handle;
 		} ep_connect_ret;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index cbf7e58bd6f..ba2760802de 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -157,6 +157,11 @@ struct iscsi_conn {
 	int			max_xmit_dlength; /* target_max_recv_dsl */
 	int			hdrdgst_en;
 	int			datadgst_en;
+	int			ifmarker_en;
+	int			ofmarker_en;
+	/* values userspace uses to id a conn */
+	int			persistent_port;
+	char			*persistent_address;
 
 	/* MIB-statistics */
 	uint64_t		txdata_octets;
@@ -196,8 +201,8 @@ struct iscsi_session {
 	int			pdu_inorder_en;
 	int			dataseq_inorder_en;
 	int			erl;
-	int			ifmarker_en;
-	int			ofmarker_en;
+	int			tpgt;
+	char			*targetname;
 
 	/* control data */
 	struct iscsi_transport	*tt;
@@ -240,6 +245,10 @@ iscsi_session_setup(struct iscsi_transport *, struct scsi_transport_template *,
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern struct iscsi_session *class_to_transport_session(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
+extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
+			   enum iscsi_param param, char *buf, int buflen);
+extern int iscsi_session_get_param(struct iscsi_cls_session *cls_session,
+				   enum iscsi_param param, char *buf);
 
 #define session_to_cls(_sess) \
 	hostdata_session(_sess->host->hostdata)
@@ -255,6 +264,8 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
 extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
 			   int);
 extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
+extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
+				enum iscsi_param param, char *buf);
 
 /*
  * pdu and task processing
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index e46cd404bd7..371f70d9aa9 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -143,7 +143,7 @@ struct scsi_cmnd {
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
-extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
+extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
 extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index a42efd6e4be..b3dd90f3e85 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -542,6 +542,9 @@ struct Scsi_Host {
 	 */
 	unsigned ordered_tag:1;
 
+	/* task mgmt function in progress */
+	unsigned tmf_in_progress:1;
+
 	/*
 	 * Optional work queue to be utilized by the transport
 	 */
@@ -619,7 +622,8 @@ static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
 {
 	return shost->shost_state == SHOST_RECOVERY ||
 		shost->shost_state == SHOST_CANCEL_RECOVERY ||
-		shost->shost_state == SHOST_DEL_RECOVERY;
+		shost->shost_state == SHOST_DEL_RECOVERY ||
+		shost->tmf_in_progress;
 }
 
 extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index b684426a590..5a3df1d7085 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -34,6 +34,7 @@ struct iscsi_cls_conn;
 struct iscsi_conn;
 struct iscsi_cmd_task;
 struct iscsi_mgmt_task;
+struct sockaddr;
 
 /**
  * struct iscsi_transport - iSCSI Transport template
@@ -46,7 +47,12 @@ struct iscsi_mgmt_task;
  * @bind_conn:		associate this connection with existing iSCSI session
  *			and specified transport descriptor
  * @destroy_conn:	destroy inactive iSCSI connection
- * @set_param:		set iSCSI Data-Path operational parameter
+ * @set_param:		set iSCSI parameter. Return 0 on success, -ENODATA
+ *			when param is not supported, and a -Exx value on other
+ *			error.
+ * @get_param		get iSCSI parameter. Must return number of bytes
+ *			copied to buffer on success, -ENODATA when param
+ *			is not supported, and a -Exx value on other error
  * @start_conn:		set connection to be operational
  * @stop_conn:		suspend/recover/terminate connection
  * @send_pdu:		send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text.
@@ -97,15 +103,11 @@ struct iscsi_transport {
 	void (*stop_conn) (struct iscsi_cls_conn *conn, int flag);
 	void (*destroy_conn) (struct iscsi_cls_conn *conn);
 	int (*set_param) (struct iscsi_cls_conn *conn, enum iscsi_param param,
-			  uint32_t value);
+			  char *buf, int buflen);
 	int (*get_conn_param) (struct iscsi_cls_conn *conn,
-			       enum iscsi_param param, uint32_t *value);
+			       enum iscsi_param param, char *buf);
 	int (*get_session_param) (struct iscsi_cls_session *session,
-				  enum iscsi_param param, uint32_t *value);
-	int (*get_conn_str_param) (struct iscsi_cls_conn *conn,
-				   enum iscsi_param param, char *buf);
-	int (*get_session_str_param) (struct iscsi_cls_session *session,
-				      enum iscsi_param param, char *buf);
+				  enum iscsi_param param, char *buf);
 	int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
 			 char *data, uint32_t data_size);
 	void (*get_stats) (struct iscsi_cls_conn *conn,
@@ -127,6 +129,8 @@ struct iscsi_transport {
 			   uint64_t *ep_handle);
 	int (*ep_poll) (uint64_t ep_handle, int timeout_ms);
 	void (*ep_disconnect) (uint64_t ep_handle);
+	int (*tgt_dscvr) (enum iscsi_tgt_dscvr type, uint32_t host_no,
+			  uint32_t enable, struct sockaddr *dst_addr);
 };
 
 /*
@@ -155,13 +159,6 @@ struct iscsi_cls_conn {
 	struct iscsi_transport *transport;
 	uint32_t cid;			/* connection id */
 
-	/* portal/group values we got during discovery */
-	char *persistent_address;
-	int persistent_port;
-	/* portal/group values we are currently using */
-	char *address;
-	int port;
-
 	int active;			/* must be accessed with the connlock */
 	struct device dev;		/* sysfs transport/container device */
 	struct mempool_zone *z_error;
@@ -185,16 +182,11 @@ struct iscsi_cls_session {
 	struct list_head host_list;
 	struct iscsi_transport *transport;
 
-	/* iSCSI values used as unique id by userspace. */
-	char *targetname;
-	int tpgt;
-
 	/* recovery fields */
 	int recovery_tmo;
 	struct work_struct recovery_work;
 
 	int target_id;
-	int channel;
 
 	int sid;				/* session id */
 	void *dd_data;				/* LLD private data */
@@ -207,8 +199,10 @@ struct iscsi_cls_session {
 #define iscsi_session_to_shost(_session) \
 	dev_to_shost(_session->dev.parent)
 
+#define starget_to_session(_stgt) \
+	iscsi_dev_to_session(_stgt->dev.parent)
+
 struct iscsi_host {
-	int next_target_id;
 	struct list_head sessions;
 	struct mutex mutex;
 };
@@ -216,8 +210,17 @@ struct iscsi_host {
 /*
  * session and connection functions that can be used by HW iSCSI LLDs
  */
+extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost,
+					struct iscsi_transport *transport);
+extern int iscsi_add_session(struct iscsi_cls_session *session,
+			     unsigned int target_id);
+extern int iscsi_if_create_session_done(struct iscsi_cls_conn *conn);
+extern int iscsi_if_destroy_session_done(struct iscsi_cls_conn *conn);
 extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
-				struct iscsi_transport *t, int channel);
+						struct iscsi_transport *t,
+						unsigned int target_id);
+extern void iscsi_remove_session(struct iscsi_cls_session *session);
+extern void iscsi_free_session(struct iscsi_cls_session *session);
 extern int iscsi_destroy_session(struct iscsi_cls_session *session);
 extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
 					    uint32_t cid);
@@ -225,4 +228,5 @@ extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_unblock_session(struct iscsi_cls_session *session);
 extern void iscsi_block_session(struct iscsi_cls_session *session);
 
+
 #endif
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 93cfb4bf421..e3c503cd175 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -3,6 +3,7 @@
 
 #include <linux/transport_class.h>
 #include <linux/types.h>
+#include <linux/mutex.h>
 
 struct scsi_transport_template;
 struct sas_rphy;
@@ -55,7 +56,6 @@ struct sas_phy {
 	enum sas_linkrate	minimum_linkrate;
 	enum sas_linkrate	maximum_linkrate_hw;
 	enum sas_linkrate	maximum_linkrate;
-	u8			port_identifier;
 
 	/* internal state */
 	unsigned int		local_attached : 1;
@@ -66,8 +66,8 @@ struct sas_phy {
 	u32			loss_of_dword_sync_count;
 	u32			phy_reset_problem_count;
 
-	/* the other end of the link */
-	struct sas_rphy		*rphy;
+	/* for the list of phys belonging to a port */
+	struct list_head	port_siblings;
 };
 
 #define dev_to_phy(d) \
@@ -124,6 +124,24 @@ struct sas_expander_device {
 #define rphy_to_expander_device(r) \
 	container_of((r), struct sas_expander_device, rphy)
 
+struct sas_port {
+	struct device		dev;
+
+	u8			port_identifier;
+	int			num_phys;
+
+	/* the other end of the link */
+	struct sas_rphy		*rphy;
+
+	struct mutex		phy_list_mutex;
+	struct list_head	phy_list;
+};
+
+#define dev_to_sas_port(d) \
+	container_of((d), struct sas_port, dev)
+#define transport_class_to_sas_port(cdev) \
+	dev_to_sas_port((cdev)->dev)
+
 /* The functions by which the transport class and the driver communicate */
 struct sas_function_template {
 	int (*get_linkerrors)(struct sas_phy *);
@@ -133,6 +151,7 @@ struct sas_function_template {
 };
 
 
+void sas_remove_children(struct device *);
 extern void sas_remove_host(struct Scsi_Host *);
 
 extern struct sas_phy *sas_phy_alloc(struct device *, int);
@@ -141,13 +160,21 @@ extern int sas_phy_add(struct sas_phy *);
 extern void sas_phy_delete(struct sas_phy *);
 extern int scsi_is_sas_phy(const struct device *);
 
-extern struct sas_rphy *sas_end_device_alloc(struct sas_phy *);
-extern struct sas_rphy *sas_expander_alloc(struct sas_phy *, enum sas_device_type);
+extern struct sas_rphy *sas_end_device_alloc(struct sas_port *);
+extern struct sas_rphy *sas_expander_alloc(struct sas_port *, enum sas_device_type);
 void sas_rphy_free(struct sas_rphy *);
 extern int sas_rphy_add(struct sas_rphy *);
 extern void sas_rphy_delete(struct sas_rphy *);
 extern int scsi_is_sas_rphy(const struct device *);
 
+struct sas_port *sas_port_alloc(struct device *, int);
+int sas_port_add(struct sas_port *);
+void sas_port_free(struct sas_port *);
+void sas_port_delete(struct sas_port *);
+void sas_port_add_phy(struct sas_port *, struct sas_phy *);
+void sas_port_delete_phy(struct sas_port *, struct sas_phy *);
+int scsi_is_sas_port(const struct device *);
+
 extern struct scsi_transport_template *
 sas_attach_transport(struct sas_function_template *);
 extern void sas_release_transport(struct scsi_transport_template *);
diff --git a/include/sound/Kbuild b/include/sound/Kbuild
new file mode 100644
index 00000000000..3a5a3df6149
--- /dev/null
+++ b/include/sound/Kbuild
@@ -0,0 +1,2 @@
+header-y := asound_fm.h hdsp.h hdspm.h sfnt_info.h sscape_ioctl.h
+unifdef-y := asequencer.h asound.h emu10k1.h sb16_csp.h 
diff --git a/include/video/Kbuild b/include/video/Kbuild
new file mode 100644
index 00000000000..76a60737cc1
--- /dev/null
+++ b/include/video/Kbuild
@@ -0,0 +1 @@
+unifdef-y := sisfb.h