15 files changed, 109 insertions, 445 deletions

diff --git a/include/asm-parisc/atomic.h b/include/asm-parisc/atomic.h
index 4dc7253ff5d0..403ea97316cf 100644
--- a/include/asm-parisc/atomic.h
+++ b/include/asm-parisc/atomic.h
@@ -210,6 +210,8 @@ static __inline__ int atomic_read(const atomic_t *v)
 
 #define atomic_dec_and_test(v)  (atomic_dec_return(v) == 0)
 
+#define atomic_sub_and_test(i,v)        (atomic_sub_return((i),(v)) == 0)
+
 #define ATOMIC_INIT(i)  ((atomic_t) { (i) })
 
 #define smp_mb__before_atomic_dec()     smp_mb()
@@ -267,6 +269,7 @@ atomic64_read(const atomic64_t *v)
 
 #define atomic64_inc_and_test(v)        (atomic64_inc_return(v) == 0)
 #define atomic64_dec_and_test(v)        (atomic64_dec_return(v) == 0)
+#define atomic64_sub_and_test(i,v)      (atomic64_sub_return((i),(v)) == 0)
 
 #endif /* __LP64__ */
 
diff --git a/include/asm-parisc/bitops.h b/include/asm-parisc/bitops.h
index 15d8c2b51584..900561922c4c 100644
--- a/include/asm-parisc/bitops.h
+++ b/include/asm-parisc/bitops.h
@@ -35,13 +35,6 @@ static __inline__ void set_bit(int nr, volatile unsigned long * addr)
         _atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __set_bit(unsigned long nr, volatile unsigned long * addr)
-{
-        unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-        *m |= 1UL << CHOP_SHIFTCOUNT(nr);
-}
-
 static __inline__ void clear_bit(int nr, volatile unsigned long * addr)
 {
         unsigned long mask = ~(1UL << CHOP_SHIFTCOUNT(nr));
@@ -53,13 +46,6 @@ static __inline__ void clear_bit(int nr, volatile unsigned long * addr)
         _atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __clear_bit(unsigned long nr, volatile unsigned long * addr)
-{
-        unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-        *m &= ~(1UL << CHOP_SHIFTCOUNT(nr));
-}
-
 static __inline__ void change_bit(int nr, volatile unsigned long * addr)
 {
         unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -71,13 +57,6 @@ static __inline__ void change_bit(int nr, volatile unsigned long * addr)
         _atomic_spin_unlock_irqrestore(addr, flags);
 }
 
-static __inline__ void __change_bit(unsigned long nr, volatile unsigned long * addr)
-{
-        unsigned long *m = (unsigned long *) addr + (nr >> SHIFT_PER_LONG);
-
-        *m ^= 1UL << CHOP_SHIFTCOUNT(nr);
-}
-
 static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr)
 {
         unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -93,18 +72,6 @@ static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr)
         return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_set_bit(int nr, volatile unsigned long * address)
-{
-        unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-        unsigned long oldbit;
-        unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-
-        oldbit = *addr;
-        *addr = oldbit | mask;
-
-        return (oldbit & mask) ? 1 : 0;
-}
-
 static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr)
 {
         unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -120,18 +87,6 @@ static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr)
         return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long * address)
-{
-        unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-        unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-        unsigned long oldbit;
-
-        oldbit = *addr;
-        *addr = oldbit & ~mask;
-
-        return (oldbit & mask) ? 1 : 0;
-}
-
 static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr)
 {
         unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
@@ -147,25 +102,7 @@ static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr)
         return (oldbit & mask) ? 1 : 0;
 }
 
-static __inline__ int __test_and_change_bit(int nr, volatile unsigned long * address)
-{
-        unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-        unsigned long *addr = (unsigned long *)address + (nr >> SHIFT_PER_LONG);
-        unsigned long oldbit;
-
-        oldbit = *addr;
-        *addr = oldbit ^ mask;
-
-        return (oldbit & mask) ? 1 : 0;
-}
-
-static __inline__ int test_bit(int nr, const volatile unsigned long *address)
-{
-        unsigned long mask = 1UL << CHOP_SHIFTCOUNT(nr);
-        const unsigned long *addr = (const unsigned long *)address + (nr >> SHIFT_PER_LONG);
-        
-        return !!(*addr & mask);
-}
+#include <asm-generic/bitops/non-atomic.h>
 
 #ifdef __KERNEL__
 
@@ -219,8 +156,7 @@ static __inline__ unsigned long __ffs(unsigned long x)
         return ret;
 }
 
-/* Undefined if no bit is zero. */
-#define ffz(x)  __ffs(~x)
+#include <asm-generic/bitops/ffz.h>
 
 /*
  * ffs: find first bit set. returns 1 to BITS_PER_LONG or 0 (if none set)
@@ -263,155 +199,22 @@ static __inline__ int fls(int x)
 
         return ret;
 }
-#define fls64(x)   generic_fls64(x)
 
-/*
- * hweightN: returns the hamming weight (i.e. the number
- * of bits set) of a N-bit word
- */
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
-
-/*
- * Every architecture must define this function. It's the fastest
- * way of searching a 140-bit bitmap where the first 100 bits are
- * unlikely to be set. It's guaranteed that at least one of the 140
- * bits is cleared.
- */
-static inline int sched_find_first_bit(const unsigned long *b)
-{
-#ifdef __LP64__
-        if (unlikely(b[0]))
-                return __ffs(b[0]);
-        if (unlikely(b[1]))
-                return __ffs(b[1]) + 64;
-        return __ffs(b[2]) + 128;
-#else
-        if (unlikely(b[0]))
-                return __ffs(b[0]);
-        if (unlikely(b[1]))
-                return __ffs(b[1]) + 32;
-        if (unlikely(b[2]))
-                return __ffs(b[2]) + 64;
-        if (b[3])
-                return __ffs(b[3]) + 96;
-        return __ffs(b[4]) + 128;
-#endif
-}
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/sched.h>
 
 #endif /* __KERNEL__ */
 
-/*
- * This implementation of find_{first,next}_zero_bit was stolen from
- * Linus' asm-alpha/bitops.h.
- */
-#define find_first_zero_bit(addr, size) \
-        find_next_zero_bit((addr), (size), 0)
-
-static __inline__ unsigned long find_next_zero_bit(const void * addr, unsigned long size, unsigned long offset)
-{
-        const unsigned long * p = ((unsigned long *) addr) + (offset >> SHIFT_PER_LONG);
-        unsigned long result = offset & ~(BITS_PER_LONG-1);
-        unsigned long tmp;
-
-        if (offset >= size)
-                return size;
-        size -= result;
-        offset &= (BITS_PER_LONG-1);
-        if (offset) {
-                tmp = *(p++);
-                tmp |= ~0UL >> (BITS_PER_LONG-offset);
-                if (size < BITS_PER_LONG)
-                        goto found_first;
-                if (~tmp)
-                        goto found_middle;
-                size -= BITS_PER_LONG;
-                result += BITS_PER_LONG;
-        }
-        while (size & ~(BITS_PER_LONG -1)) {
-                if (~(tmp = *(p++)))
-                        goto found_middle;
-                result += BITS_PER_LONG;
-                size -= BITS_PER_LONG;
-        }
-        if (!size)
-                return result;
-        tmp = *p;
-found_first:
-        tmp |= ~0UL << size;
-found_middle:
-        return result + ffz(tmp);
-}
-
-static __inline__ unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset)
-{
-        const unsigned long *p = addr + (offset >> SHIFT_PER_LONG);
-        unsigned long result = offset & ~(BITS_PER_LONG-1);
-        unsigned long tmp;
-
-        if (offset >= size)
-                return size;
-        size -= result;
-        offset &= (BITS_PER_LONG-1);
-        if (offset) {
-                tmp = *(p++);
-                tmp &= (~0UL << offset);
-                if (size < BITS_PER_LONG)
-                        goto found_first;
-                if (tmp)
-                        goto found_middle;
-                size -= BITS_PER_LONG;
-                result += BITS_PER_LONG;
-        }
-        while (size & ~(BITS_PER_LONG-1)) {
-                if ((tmp = *(p++)))
-                        goto found_middle;
-                result += BITS_PER_LONG;
-                size -= BITS_PER_LONG;
-        }
-        if (!size)
-                return result;
-        tmp = *p;
-
-found_first:
-        tmp &= (~0UL >> (BITS_PER_LONG - size));
-        if (tmp == 0UL)        /* Are any bits set? */
-                return result + size; /* Nope. */
-found_middle:
-        return result + __ffs(tmp);
-}
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit-number of the first set bit, not the number of the byte
- * containing a bit.
- */
-#define find_first_bit(addr, size) \
-        find_next_bit((addr), (size), 0)
-
-#define _EXT2_HAVE_ASM_BITOPS_
+#include <asm-generic/bitops/find.h>
 
 #ifdef __KERNEL__
-/*
- * test_and_{set,clear}_bit guarantee atomicity without
- * disabling interrupts.
- */
+
+#include <asm-generic/bitops/ext2-non-atomic.h>
 
 /* '3' is bits per byte */
 #define LE_BYTE_ADDR ((sizeof(unsigned long) - 1) << 3)
 
-#define ext2_test_bit(nr, addr) \
-                        test_bit((nr)   ^ LE_BYTE_ADDR, (unsigned long *)addr)
-#define ext2_set_bit(nr, addr)  \
-                __test_and_set_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
-#define ext2_clear_bit(nr, addr) \
-                __test_and_clear_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
-
 #define ext2_set_bit_atomic(l,nr,addr) \
                 test_and_set_bit((nr)   ^ LE_BYTE_ADDR, (unsigned long *)addr)
 #define ext2_clear_bit_atomic(l,nr,addr) \
@@ -419,77 +222,6 @@ found_middle:
 
 #endif  /* __KERNEL__ */
 
-
-#define ext2_find_first_zero_bit(addr, size) \
-        ext2_find_next_zero_bit((addr), (size), 0)
-
-/* include/linux/byteorder does not support "unsigned long" type */
-static inline unsigned long ext2_swabp(unsigned long * x)
-{
-#ifdef __LP64__
-        return (unsigned long) __swab64p((u64 *) x);
-#else
-        return (unsigned long) __swab32p((u32 *) x);
-#endif
-}
-
-/* include/linux/byteorder doesn't support "unsigned long" type */
-static inline unsigned long ext2_swab(unsigned long y)
-{
-#ifdef __LP64__
-        return (unsigned long) __swab64((u64) y);
-#else
-        return (unsigned long) __swab32((u32) y);
-#endif
-}
-
-static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
-{
-        unsigned long *p = (unsigned long *) addr + (offset >> SHIFT_PER_LONG);
-        unsigned long result = offset & ~(BITS_PER_LONG - 1);
-        unsigned long tmp;
-
-        if (offset >= size)
-                return size;
-        size -= result;
-        offset &= (BITS_PER_LONG - 1UL);
-        if (offset) {
-                tmp = ext2_swabp(p++);
-                tmp |= (~0UL >> (BITS_PER_LONG - offset));
-                if (size < BITS_PER_LONG)
-                        goto found_first;
-                if (~tmp)
-                        goto found_middle;
-                size -= BITS_PER_LONG;
-                result += BITS_PER_LONG;
-        }
-
-        while (size & ~(BITS_PER_LONG - 1)) {
-                if (~(tmp = *(p++)))
-                        goto found_middle_swap;
-                result += BITS_PER_LONG;
-                size -= BITS_PER_LONG;
-        }
-        if (!size)
-                return result;
-        tmp = ext2_swabp(p);
-found_first:
-        tmp |= ~0UL << size;
-        if (tmp == ~0UL)        /* Are any bits zero? */
-                return result + size; /* Nope. Skip ffz */
-found_middle:
-        return result + ffz(tmp);
-
-found_middle_swap:
-        return result + ffz(ext2_swab(tmp));
-}
-
-
-/* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr) ext2_set_bit(nr,addr)
-#define minix_set_bit(nr,addr) ((void)ext2_set_bit(nr,addr))
-#define minix_test_and_clear_bit(nr,addr) ext2_clear_bit(nr,addr)
-#define minix_test_bit(nr,addr) ext2_test_bit(nr,addr)
-#define minix_find_first_zero_bit(addr,size) ext2_find_first_zero_bit(addr,size)
+#include <asm-generic/bitops/minix-le.h>
 
 #endif /* _PARISC_BITOPS_H */
diff --git a/include/asm-parisc/cache.h b/include/asm-parisc/cache.h
index 93f179f13ce8..c831665473cb 100644
--- a/include/asm-parisc/cache.h
+++ b/include/asm-parisc/cache.h
@@ -29,6 +29,8 @@
 
 #define SMP_CACHE_BYTES L1_CACHE_BYTES
 
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
 extern void flush_data_cache_local(void *);  /* flushes local data-cache only */
 extern void flush_instruction_cache_local(void *); /* flushes local code-cache only */
 #ifdef CONFIG_SMP
@@ -46,7 +48,7 @@ extern void flush_user_icache_range_asm(unsigned long, unsigned long);
 extern void flush_kernel_icache_range_asm(unsigned long, unsigned long);
 extern void flush_user_dcache_range_asm(unsigned long, unsigned long);
 extern void flush_kernel_dcache_range_asm(unsigned long, unsigned long);
-extern void flush_kernel_dcache_page(void *);
+extern void flush_kernel_dcache_page_asm(void *);
 extern void flush_kernel_icache_page(void *);
 extern void disable_sr_hashing(void);   /* turns off space register hashing */
 extern void disable_sr_hashing_asm(int); /* low level support for above */
diff --git a/include/asm-parisc/cacheflush.h b/include/asm-parisc/cacheflush.h
index c53af9ff41b5..76b6b7d6046a 100644
--- a/include/asm-parisc/cacheflush.h
+++ b/include/asm-parisc/cacheflush.h
@@ -62,7 +62,7 @@ extern void flush_dcache_page(struct page *page);
 #define flush_dcache_mmap_unlock(mapping) \
         write_unlock_irq(&(mapping)->tree_lock)
 
-#define flush_icache_page(vma,page)     do { flush_kernel_dcache_page(page_address(page)); flush_kernel_icache_page(page_address(page)); } while (0)
+#define flush_icache_page(vma,page)     do { flush_kernel_dcache_page(page); flush_kernel_icache_page(page_address(page)); } while (0)
 
 #define flush_icache_range(s,e)         do { flush_kernel_dcache_range_asm(s,e); flush_kernel_icache_range_asm(s,e); } while (0)
 
@@ -184,6 +184,21 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long
 
 }
 
+static inline void
+flush_anon_page(struct page *page, unsigned long vmaddr)
+{
+        if (PageAnon(page))
+                flush_user_dcache_page(vmaddr);
+}
+#define ARCH_HAS_FLUSH_ANON_PAGE
+
+static inline void
+flush_kernel_dcache_page(struct page *page)
+{
+        flush_kernel_dcache_page_asm(page_address(page));
+}
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+
 #ifdef CONFIG_DEBUG_RODATA
 void mark_rodata_ro(void);
 #endif
diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h
index 38b918feead9..289624d8b2d4 100644
--- a/include/asm-parisc/compat.h
+++ b/include/asm-parisc/compat.h
@@ -138,6 +138,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
         return (void __user *)(unsigned long)uptr;
 }
 
+static inline compat_uptr_t ptr_to_compat(void __user *uptr)
+{
+        return (u32)(unsigned long)uptr;
+}
+
 static __inline__ void __user *compat_alloc_user_space(long len)
 {
         struct pt_regs *regs = &current->thread.regs;
diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h
index 0db00adc942a..29da31194b91 100644
--- a/include/asm-parisc/io.h
+++ b/include/asm-parisc/io.h
@@ -25,35 +25,11 @@ extern unsigned long parisc_vmerge_max_size;
  *   eg dev->hpa or 0xfee00000.
  */
 
-#ifdef CONFIG_DEBUG_IOREMAP
-#ifdef CONFIG_64BIT
-#define NYBBLE_SHIFT 60
-#else
-#define NYBBLE_SHIFT 28
-#endif
-extern void gsc_bad_addr(unsigned long addr);
-extern void __raw_bad_addr(const volatile void __iomem *addr);
-#define gsc_check_addr(addr)                                    \
-        if ((addr >> NYBBLE_SHIFT) != 0xf) {                    \
-                gsc_bad_addr(addr);                             \
-                addr |= 0xfUL << NYBBLE_SHIFT;                  \
-        }
-#define __raw_check_addr(addr)                                  \
-        if (((unsigned long)addr >> NYBBLE_SHIFT) != 0xe)       \
-                __raw_bad_addr(addr);                   \
-        addr = (void __iomem *)((unsigned long)addr | (0xfUL << NYBBLE_SHIFT));
-#else
-#define gsc_check_addr(addr)
-#define __raw_check_addr(addr)
-#endif
-
 static inline unsigned char gsc_readb(unsigned long addr)
 {
         long flags;
         unsigned char ret;
 
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       rsm     2,%0\n"
         "       ldbx    0(%2),%1\n"
@@ -68,8 +44,6 @@ static inline unsigned short gsc_readw(unsigned long addr)
         long flags;
         unsigned short ret;
 
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       rsm     2,%0\n"
         "       ldhx    0(%2),%1\n"
@@ -83,8 +57,6 @@ static inline unsigned int gsc_readl(unsigned long addr)
 {
         u32 ret;
 
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       ldwax   0(%1),%0\n"
         : "=r" (ret) : "r" (addr) );
@@ -95,7 +67,6 @@ static inline unsigned int gsc_readl(unsigned long addr)
 static inline unsigned long long gsc_readq(unsigned long addr)
 {
         unsigned long long ret;
-        gsc_check_addr(addr);
 
 #ifdef __LP64__
         __asm__ __volatile__(
@@ -112,8 +83,6 @@ static inline unsigned long long gsc_readq(unsigned long addr)
 static inline void gsc_writeb(unsigned char val, unsigned long addr)
 {
         long flags;
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       rsm     2,%0\n"
         "       stbs    %1,0(%2)\n"
@@ -124,8 +93,6 @@ static inline void gsc_writeb(unsigned char val, unsigned long addr)
 static inline void gsc_writew(unsigned short val, unsigned long addr)
 {
         long flags;
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       rsm     2,%0\n"
         "       sths    %1,0(%2)\n"
@@ -135,8 +102,6 @@ static inline void gsc_writew(unsigned short val, unsigned long addr)
 
 static inline void gsc_writel(unsigned int val, unsigned long addr)
 {
-        gsc_check_addr(addr);
-
         __asm__ __volatile__(
         "       stwas   %0,0(%1)\n"
         : :  "r" (val), "r" (addr) );
@@ -144,8 +109,6 @@ static inline void gsc_writel(unsigned int val, unsigned long addr)
 
 static inline void gsc_writeq(unsigned long long val, unsigned long addr)
 {
-        gsc_check_addr(addr);
-
 #ifdef __LP64__
         __asm__ __volatile__(
         "       stda    %0,0(%1)\n"
@@ -180,14 +143,7 @@ extern inline void * ioremap_nocache(unsigned long offset, unsigned long size)
 
 extern void iounmap(void __iomem *addr);
 
-/*
- * USE_HPPA_IOREMAP is the magic flag to enable or disable real ioremap()
- * functionality.  It's currently disabled because it may not work on some
- * machines.
- */
-#define USE_HPPA_IOREMAP 0
 
-#if USE_HPPA_IOREMAP
 static inline unsigned char __raw_readb(const volatile void __iomem *addr)
 {
         return (*(volatile unsigned char __force *) (addr));
@@ -221,57 +177,6 @@ static inline void __raw_writeq(unsigned long long b, volatile void __iomem *add
 {
         *(volatile unsigned long long __force *) addr = b;
 }
-#else /* !USE_HPPA_IOREMAP */
-static inline unsigned char __raw_readb(const volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        return gsc_readb((unsigned long) addr);
-}
-static inline unsigned short __raw_readw(const volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        return gsc_readw((unsigned long) addr);
-}
-static inline unsigned int __raw_readl(const volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        return gsc_readl((unsigned long) addr);
-}
-static inline unsigned long long __raw_readq(const volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        return gsc_readq((unsigned long) addr);
-}
-
-static inline void __raw_writeb(unsigned char b, volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        gsc_writeb(b, (unsigned long) addr);
-}
-static inline void __raw_writew(unsigned short b, volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        gsc_writew(b, (unsigned long) addr);
-}
-static inline void __raw_writel(unsigned int b, volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        gsc_writel(b, (unsigned long) addr);
-}
-static inline void __raw_writeq(unsigned long long b, volatile void __iomem *addr)
-{
-        __raw_check_addr(addr);
-
-        gsc_writeq(b, (unsigned long) addr);
-}
-#endif /* !USE_HPPA_IOREMAP */
 
 /* readb can never be const, so use __fswab instead of le*_to_cpu */
 #define readb(addr) __raw_readb(addr)
@@ -294,22 +199,6 @@ void memset_io(volatile void __iomem *addr, unsigned char val, int count);
 void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
 void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
 
-/* Support old drivers which don't ioremap.
- * NB this interface is scheduled to disappear in 2.5
- */
-
-#define __isa_addr(x) (void __iomem *)(F_EXTEND(0xfc000000) | (x))
-#define isa_readb(a) readb(__isa_addr(a))
-#define isa_readw(a) readw(__isa_addr(a))
-#define isa_readl(a) readl(__isa_addr(a))
-#define isa_writeb(b,a) writeb((b), __isa_addr(a))
-#define isa_writew(b,a) writew((b), __isa_addr(a))
-#define isa_writel(b,a) writel((b), __isa_addr(a))
-#define isa_memset_io(a,b,c) memset_io(__isa_addr(a), (b), (c))
-#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a), __isa_addr(b), (c))
-#define isa_memcpy_toio(a,b,c) memcpy_toio(__isa_addr(a), (b), (c))
-
-
 /*
  * XXX - We don't have csum_partial_copy_fromio() yet, so we cheat here and 
  * just copy it. The net code will then do the checksum later. Presently 
@@ -318,8 +207,6 @@ void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
 
 #define eth_io_copy_and_sum(skb,src,len,unused) \
   memcpy_fromio((skb)->data,(src),(len))
-#define isa_eth_io_copy_and_sum(skb,src,len,unused) \
-  isa_memcpy_fromio((skb)->data,(src),(len))
 
 /* Port-space IO */
 
diff --git a/include/asm-parisc/local.h b/include/asm-parisc/local.h
index 892b3b2c4962..d0f550912755 100644
--- a/include/asm-parisc/local.h
+++ b/include/asm-parisc/local.h
@@ -4,16 +4,16 @@
 #include <linux/percpu.h>
 #include <asm/atomic.h>
 
-typedef atomic_t local_t;
+typedef atomic_long_t local_t;
 
-#define LOCAL_INIT(i)   ATOMIC_INIT(i)
-#define local_read(v)   atomic_read(v)
-#define local_set(v,i)  atomic_set(v,i)
+#define LOCAL_INIT(i)   ATOMIC_LONG_INIT(i)
+#define local_read(v)   atomic_long_read(v)
+#define local_set(v,i)  atomic_long_set(v,i)
 
-#define local_inc(v)    atomic_inc(v)
-#define local_dec(v)    atomic_dec(v)
-#define local_add(i, v) atomic_add(i, v)
-#define local_sub(i, v) atomic_sub(i, v)
+#define local_inc(v)    atomic_long_inc(v)
+#define local_dec(v)    atomic_long_dec(v)
+#define local_add(i, v) atomic_long_add(i, v)
+#define local_sub(i, v) atomic_long_sub(i, v)
 
 #define __local_inc(v)          ((v)->counter++)
 #define __local_dec(v)          ((v)->counter--)
diff --git a/include/asm-parisc/mmzone.h b/include/asm-parisc/mmzone.h
index ae039f4fd711..ceb9b73199d1 100644
--- a/include/asm-parisc/mmzone.h
+++ b/include/asm-parisc/mmzone.h
@@ -25,23 +25,6 @@ extern struct node_map_data node_data[];
         pg_data_t *__pgdat = NODE_DATA(nid);                            \
         __pgdat->node_start_pfn + __pgdat->node_spanned_pages;          \
 })
-#define node_localnr(pfn, nid)          ((pfn) - node_start_pfn(nid))
-
-#define pfn_to_page(pfn)                                                \
-({                                                                      \
-        unsigned long __pfn = (pfn);                                    \
-        int __node  = pfn_to_nid(__pfn);                                \
-        &NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)];   \
-})
-
-#define page_to_pfn(pg)                                                 \
-({                                                                      \
-        struct page *__page = pg;                                       \
-        struct zone *__zone = page_zone(__page);                        \
-        BUG_ON(__zone == NULL);                                         \
-        (unsigned long)(__page - __zone->zone_mem_map)                  \
-                + __zone->zone_start_pfn;                               \
-})
 
 /* We have these possible memory map layouts:
  * Astro: 0-3.75, 67.75-68, 4-64
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 4a6752b0afed..45e02aa5bf4b 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -26,7 +26,7 @@ static inline void
 copy_user_page(void *vto, void *vfrom, unsigned long vaddr, struct page *pg)
 {
         copy_user_page_asm(vto, vfrom);
-        flush_kernel_dcache_page(vto);
+        flush_kernel_dcache_page_asm(vto);
         /* XXX: ppc flushes icache too, should we? */
 }
 
@@ -40,14 +40,19 @@ clear_user_page(void *page, unsigned long vaddr, struct page *pg)
 /*
  * These are used to make use of C type-checking..
  */
-#ifdef __LP64__
-typedef struct { unsigned long pte; } pte_t;
-#else
-typedef struct {
-        unsigned long pte;
-        unsigned long flags;
-} pte_t;
+#define STRICT_MM_TYPECHECKS
+#ifdef STRICT_MM_TYPECHECKS
+typedef struct { unsigned long pte;
+#if !defined(CONFIG_64BIT)
+                 unsigned long future_flags;
+ /* XXX: it's possible to remove future_flags and change BITS_PER_PTE_ENTRY
+         to 2, but then strangely the identical 32bit kernel boots on a
+         c3000(pa20), but not any longer on a 715(pa11).
+         Still investigating... HelgeD.
+  */
 #endif
+} pte_t; /* either 32 or 64bit */
+
 /* NOTE: even on 64 bits, these entries are __u32 because we allocate
  * the pmd and pgd in ZONE_DMA (i.e. under 4GB) */
 typedef struct { __u32 pmd; } pmd_t;
@@ -55,25 +60,44 @@ typedef struct { __u32 pgd; } pgd_t;
 typedef struct { unsigned long pgprot; } pgprot_t;
 
 #define pte_val(x)      ((x).pte)
-#ifdef __LP64__
-#define pte_flags(x)    (*(__u32 *)&((x).pte))
-#else
-#define pte_flags(x)    ((x).flags)
-#endif
-
 /* These do not work lvalues, so make sure we don't use them as such. */
 #define pmd_val(x)      ((x).pmd + 0)
 #define pgd_val(x)      ((x).pgd + 0)
 #define pgprot_val(x)   ((x).pgprot)
 
-#define __pmd_val_set(x,n) (x).pmd = (n)
-#define __pgd_val_set(x,n) (x).pgd = (n)
-
 #define __pte(x)        ((pte_t) { (x) } )
 #define __pmd(x)        ((pmd_t) { (x) } )
 #define __pgd(x)        ((pgd_t) { (x) } )
 #define __pgprot(x)     ((pgprot_t) { (x) } )
 
+#define __pmd_val_set(x,n) (x).pmd = (n)
+#define __pgd_val_set(x,n) (x).pgd = (n)
+
+#else
+/*
+ * .. while these make it easier on the compiler
+ */
+typedef unsigned long pte_t;
+typedef         __u32 pmd_t;
+typedef         __u32 pgd_t;
+typedef unsigned long pgprot_t;
+
+#define pte_val(x)      (x)
+#define pmd_val(x)      (x)
+#define pgd_val(x)      (x)
+#define pgprot_val(x)   (x)
+
+#define __pte(x)        (x)
+#define __pmd(x)        (x)
+#define __pgd(x)        (x)
+#define __pgprot(x)     (x)
+
+#define __pmd_val_set(x,n) (x) = (n)
+#define __pgd_val_set(x,n) (x) = (n)
+
+#endif /* STRICT_MM_TYPECHECKS */
+
+
 typedef struct __physmem_range {
         unsigned long start_pfn;
         unsigned long pages;       /* PAGE_SIZE pages */
@@ -130,8 +154,6 @@ extern int npmem_ranges;
 #define __va(x)                 ((void *)((unsigned long)(x)+PAGE_OFFSET))
 
 #ifndef CONFIG_DISCONTIGMEM
-#define pfn_to_page(pfn)        (mem_map + (pfn))
-#define page_to_pfn(page)       ((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)          ((pfn) < max_mapnr)
 #endif /* CONFIG_DISCONTIGMEM */
 
@@ -152,6 +174,7 @@ extern int npmem_ranges;
 
 #endif /* __KERNEL__ */
 
+#include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
 #endif /* _PARISC_PAGE_H */
diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h
index fe7f6a2f5aa7..77bbafb7f73e 100644
--- a/include/asm-parisc/pci.h
+++ b/include/asm-parisc/pci.h
@@ -289,4 +289,9 @@ static inline void pcibios_add_platform_entries(struct pci_dev *dev)
 {
 }
 
+static inline void pcibios_penalize_isa_irq(int irq, int active)
+{
+        /* We don't need to penalize isa irq's */
+}
+
 #endif /* __ASM_PARISC_PCI_H */
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 8e23e4c674f6..0a3face6c480 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -333,7 +333,7 @@ struct pdc_model {		/* for PDC_MODEL */
         unsigned long curr_key;
 };
 
-/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */
+/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
 
 #define PDC_MODEL_IOPDIR_FDC            (1 << 2)        /* see sba_iommu.c */
 #define PDC_MODEL_NVA_MASK              (3 << 4)
diff --git a/include/asm-parisc/pdc_chassis.h b/include/asm-parisc/pdc_chassis.h
index adac9ac2743f..a609273dc6bf 100644
--- a/include/asm-parisc/pdc_chassis.h
+++ b/include/asm-parisc/pdc_chassis.h
@@ -6,9 +6,8 @@
  *
  *
  *      This program is free software; you can redistribute it and/or modify
- *      it under the terms of the GNU General Public License as published by
- *      the Free Software Foundation; either version 2, or (at your option)
- *      any later version.
+ *      it under the terms of the GNU General Public License, version 2, as
+ *      published by the Free Software Foundation.
  *      
  *      This program is distributed in the hope that it will be useful,
  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/include/asm-parisc/poll.h b/include/asm-parisc/poll.h
index 1c1da86934cf..20e4d03c74cb 100644
--- a/include/asm-parisc/poll.h
+++ b/include/asm-parisc/poll.h
@@ -16,6 +16,7 @@
 #define POLLWRBAND      0x0200
 #define POLLMSG         0x0400
 #define POLLREMOVE      0x1000
+#define POLLRDHUP       0x2000
 
 struct pollfd {
         int fd;
diff --git a/include/asm-parisc/spinlock.h b/include/asm-parisc/spinlock.h
index 16c2ac075fc5..a93960e232cf 100644
--- a/include/asm-parisc/spinlock.h
+++ b/include/asm-parisc/spinlock.h
@@ -134,14 +134,22 @@ static  __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
         return 1;
 }
 
-static __inline__ int __raw_is_read_locked(raw_rwlock_t *rw)
+/*
+ * read_can_lock - would read_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+static __inline__ int __raw_read_can_lock(raw_rwlock_t *rw)
 {
-        return rw->counter > 0;
+        return rw->counter >= 0;
 }
 
-static __inline__ int __raw_is_write_locked(raw_rwlock_t *rw)
+/*
+ * write_can_lock - would write_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+static __inline__ int __raw_write_can_lock(raw_rwlock_t *rw)
 {
-        return rw->counter < 0;
+        return !rw->counter;
 }
 
 #endif /* __ASM_SPINLOCK_H */
diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h
index ac32f140b83a..f2f83b04cd8b 100644
--- a/include/asm-parisc/thread_info.h
+++ b/include/asm-parisc/thread_info.h
@@ -49,7 +49,8 @@ struct thread_info {
 
 #endif /* !__ASSEMBLY */
 
-#define PREEMPT_ACTIVE          0x10000000
+#define PREEMPT_ACTIVE_BIT      28
+#define PREEMPT_ACTIVE          (1 << PREEMPT_ACTIVE_BIT)
 
 /*
  * thread information flags