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 000000000000..cb2534800b19
--- /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 4bb38068f40d..f1ac6109556e 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 89bc4a16c2e8..0cd63bce0ae4 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 000000000000..e57fd57538b8
--- /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 fafdd4f7010a..1570c0b54336 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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..70594b275a6e
--- /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 000000000000..d8d0bcecd23f
--- /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 6f178563e336..09204e40d663 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 5cf8b7ce0c45..254a126ede5c 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 c74521157461..e160e04290fb 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 000000000000..c68e1680da01
--- /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 000000000000..c064a8e9170f
--- /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 000000000000..e1bdb97c07fa
--- /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 be4ab859238e..2f07601562e7 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 04ba30234c48..87c40f830653 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 cab0180567f9..db398d88b1d9 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 000000000000..85d6f8005eb4
--- /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 8acb00190d5a..79479e2c6966 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 24d898b650c5..fbe5cf3ab8dc 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 1327c91ea39c..2d1640cc240a 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 8bc9869e5765..8adcde0934ca 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 000000000000..c68e1680da01
--- /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 66c4742f09e7..311cebf44eff 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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..ac61d7eb6021
--- /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 0392159e16e4..c80e113052cd 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 eb5f33e1977a..e05754752028 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 000000000000..7970cbaeaa54
--- /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 eba133d149a7..c17c13742401 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 f0d22ac34b96..eb241c99c457 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 faa1fc703053..2f2e3024fa61 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 010d186d095b..b095a285c84b 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 2c2fe9647595..e929145e1e46 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 9609d3ee8798..c02d105d8294 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 000000000000..ed8955f49e47
--- /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 000000000000..65f4db627e7a
--- /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 d9a8cca9b653..28b3517e787c 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 0422a085dd56..13ec16965150 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 702cf436698c..32cdc69f39f4 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 71a0732cd518..9ab186ffde23 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 000000000000..c68e1680da01
--- /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 0262d3d1e5e0..9d2aea5e8488 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 b752e5cbb830..ce2e60664a86 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 000000000000..c68e1680da01
--- /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 000000000000..e2a57fd7abfa
--- /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 000000000000..c78d44bb195f
--- /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 a6ece06b83db..ced8cbde046d 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 000000000000..c68e1680da01
--- /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 000000000000..c68e1680da01
--- /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 000000000000..dc4d101e8a16
--- /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 000000000000..cce6937e87c0
--- /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 cd52c7f33bca..2b0c088e2957 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 549eb929b2c0..08dd9f9dda81 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 68e559f3631c..f67f2873a922 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 000000000000..c68e1680da01
--- /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 abcd86dc5ab9..0aad3a587551 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 000000000000..2b8a7d68fae3
--- /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 000000000000..84a57d4fb212
--- /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 90663ad217f9..251c41e3ddd5 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 0dd1610a94a9..471781ffeab1 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 000000000000..6a7047851e48
--- /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 272010a6078a..c94d8f1d62e5 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 000000000000..63973af72fd5
--- /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 e04a5cfe874f..134b32068246 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 114ae583cca9..50d8b5744cf6 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 000000000000..1fb26448faa9
--- /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 07d7305f131e..e4bccbcc2750 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 285316c836b5..dc7abef10965 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 f559a719dbe8..826803449db7 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 3a256957fb56..60aac2cea0cf 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 da3e0dbe61d4..d5afee95fd43 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 87a9fc039b47..5612dfeeae50 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 000000000000..412e025bc5c7
--- /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 000000000000..991cdb29ab2e
--- /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 54e2549f96ba..849043ce4ed6 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 000000000000..316e0fb8d7b1
--- /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 75179529e399..990957e0929f 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 27e748eb72b0..656b588a9f96 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 9e9dc7c24d95..d06c74fb8c26 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 7a7fbe87fef0..1221b7c44158 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 9b7a2b525d63..94a443d45258 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 66559272ebcb..0b4cd2fa64aa 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 9ce9a48db444..1f4972155249 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 8b5769f00467..2537285e1064 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 f1ac507fa20d..27c48daa3183 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 000000000000..d06311acd448
--- /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 000000000000..198ec5e7b17d
--- /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 000000000000..5b1aba6abbad
--- /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 000000000000..04e4d2721689
--- /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 000000000000..913ddbf55b4b
--- /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 000000000000..c8c545665885
--- /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 51dbab9710c7..7ff386a6ae87 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 a5347c02432e..3e628f990fdf 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 000000000000..73fa27a8d552
--- /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 fa4a3b82ba70..5d41dee82f80 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 f30f805080ae..ae1fcadd598e 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 f99fe90732ab..658afb37c3f5 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 aaf723308ed4..1c876e27ff93 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 7bc5c7c12b54..46000936f8f1 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 fc1104a2cfa9..058cba70818a 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 57d7d4965f9a..3597b4f14389 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 ae23beef9cc9..31473db92d3b 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 78e6989ffb54..b2c4f8299464 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 cd81cee566f4..67faa044c5f5 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 9cb51e070390..dc5fb69e4de9 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 04135b0e198e..27644af20b7c 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 31accf2f0b13..ea54c4c9a4ec 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 000000000000..9cc81e572224
--- /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 000000000000..0d1d768a27bf
--- /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 cf6ca6e377bd..5e59184c9096 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 46e4d8f2771f..e4b1a4d4dcf3 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 000000000000..5251a505b2f1
--- /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 000000000000..381e93018df6
--- /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 dc7c621e4647..46919f9f5eb3 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 544e855c7c02..794be7af58ae 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 957c21c16d62..9bca3539a1e5 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 000000000000..e1da2a5b2a57
--- /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 31329fce1ff5..1da3f7fa7993 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 5ba72d95280c..2fec827c8801 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 7cd528e9d668..69374cd1a857 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 911ceb5cd263..771d17783c18 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 b06a2d2f63d2..b2bdb1aa0429 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 bb9f81dc8723..d84855fe7336 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 7b3d6b856946..324b3ea233d6 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 000000000000..eb710ba9b1a0
--- /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 000000000000..14a033d73314
--- /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 253797c60095..55ebf035e620 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 cbf7e58bd6f9..ba2760802ded 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 e46cd404bd7d..371f70d9aa92 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 a42efd6e4be8..b3dd90f3e858 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 b684426a5900..5a3df1d7085f 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 93cfb4bf4211..e3c503cd175e 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 000000000000..3a5a3df61496
--- /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 000000000000..76a60737cc15
--- /dev/null
+++ b/include/video/Kbuild
@@ -0,0 +1 @@
+unifdef-y := sisfb.h