Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

18 files changed, 110 insertions, 96 deletions

diff --git a/arch/parisc/include/asm/asm-offsets.h b/arch/parisc/include/asm/asm-offsets.h
new file mode 100644
index 000000000000..d370ee36a182
--- /dev/null
+++ b/arch/parisc/include/asm/asm-offsets.h
@@ -0,0 +1 @@
+#include <generated/asm-offsets.h>
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 8bc9e96699b2..716634d1f546 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -27,19 +27,19 @@
 #  define ATOMIC_HASH_SIZE 4
 #  define ATOMIC_HASH(a) (&(__atomic_hash[ (((unsigned long) (a))/L1_CACHE_BYTES) & (ATOMIC_HASH_SIZE-1) ]))
 
-extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
+extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
 
 /* Can't use raw_spin_lock_irq because of #include problems, so
  * this is the substitute */
 #define _atomic_spin_lock_irqsave(l,f) do {     \
-        raw_spinlock_t *s = ATOMIC_HASH(l);             \
+        arch_spinlock_t *s = ATOMIC_HASH(l);            \
         local_irq_save(f);                      \
-        __raw_spin_lock(s);                     \
+        arch_spin_lock(s);                      \
 } while(0)
 
 #define _atomic_spin_unlock_irqrestore(l,f) do {        \
-        raw_spinlock_t *s = ATOMIC_HASH(l);                     \
-        __raw_spin_unlock(s);                           \
+        arch_spinlock_t *s = ATOMIC_HASH(l);                    \
+        arch_spin_unlock(s);                            \
         local_irq_restore(f);                           \
 } while(0)
 
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 8cfc553fc837..75e46c557a16 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -32,14 +32,14 @@
                              "\t.popsection"                            \
                              : : "i" (__FILE__), "i" (__LINE__),        \
                              "i" (0), "i" (sizeof(struct bug_entry)) ); \
-                for(;;) ;                                               \
+                unreachable();                                          \
         } while(0)
 
 #else
 #define BUG()                                                           \
         do {                                                            \
                 asm volatile(PARISC_BUG_BREAK_ASM : : );                \
-                for(;;) ;                                               \
+                unreachable();                                          \
         } while(0)
 #endif
 
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 724395143f26..477277739da5 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -38,10 +38,23 @@ void flush_cache_mm(struct mm_struct *mm);
 
 #define flush_kernel_dcache_range(start,size) \
         flush_kernel_dcache_range_asm((start), (start)+(size));
+/* vmap range flushes and invalidates.  Architecturally, we don't need
+ * the invalidate, because the CPU should refuse to speculate once an
+ * area has been flushed, so invalidate is left empty */
+static inline void flush_kernel_vmap_range(void *vaddr, int size)
+{
+        unsigned long start = (unsigned long)vaddr;
+
+        flush_kernel_dcache_range_asm(start, start + size);
+}
+static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
+{
+}
 
 #define flush_cache_vmap(start, end)            flush_cache_all()
 #define flush_cache_vunmap(start, end)          flush_cache_all()
 
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 extern void flush_dcache_page(struct page *page);
 
 #define flush_dcache_mmap_lock(mapping) \
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 7f32611a7a5e..02b77baa5da6 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -7,7 +7,8 @@
 #include <linux/sched.h>
 #include <linux/thread_info.h>
 
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ          100
+#define COMPAT_UTS_MACHINE      "parisc\0\0"
 
 typedef u32     compat_size_t;
 typedef s32     compat_ssize_t;
diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index 9c802eb4be84..19f6cb1a4a1c 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -328,7 +328,6 @@ struct pt_regs;	/* forward declaration... */
    such function.  */
 #define ELF_PLAT_INIT(_r, load_addr)       _r->gr[23] = 0
 
-#define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE       4096
 
 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
diff --git a/arch/parisc/include/asm/fcntl.h b/arch/parisc/include/asm/fcntl.h
index 1e1c824764ee..f357fc693c89 100644
--- a/arch/parisc/include/asm/fcntl.h
+++ b/arch/parisc/include/asm/fcntl.h
@@ -1,14 +1,13 @@
 #ifndef _PARISC_FCNTL_H
 #define _PARISC_FCNTL_H
 
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
-   located on an ext2 file system */
 #define O_APPEND        000000010
 #define O_BLKSEEK       000000100 /* HPUX only */
 #define O_CREAT         000000400 /* not fcntl */
 #define O_EXCL          000002000 /* not fcntl */
 #define O_LARGEFILE     000004000
-#define O_SYNC          000100000
+#define __O_SYNC        000100000
+#define O_SYNC          (__O_SYNC|O_DSYNC)
 #define O_NONBLOCK      000200004 /* HPUX has separate NDELAY & NONBLOCK */
 #define O_NOCTTY        000400000 /* not fcntl */
 #define O_DSYNC         001000000 /* HPUX only */
diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h
index 2fa05dd6aeee..72c0fafaa039 100644
--- a/arch/parisc/include/asm/ftrace.h
+++ b/arch/parisc/include/asm/ftrace.h
@@ -20,6 +20,20 @@ struct ftrace_ret_stack {
  * Defined in entry.S
  */
 extern void return_to_handler(void);
+
+
+extern unsigned long return_address(unsigned int);
+
+#define HAVE_ARCH_CALLER_ADDR
+
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#define CALLER_ADDR1 return_address(1)
+#define CALLER_ADDR2 return_address(2)
+#define CALLER_ADDR3 return_address(3)
+#define CALLER_ADDR4 return_address(4)
+#define CALLER_ADDR5 return_address(5)
+#define CALLER_ADDR6 return_address(6)
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_PARISC_FTRACE_H */
diff --git a/arch/parisc/include/asm/param.h b/arch/parisc/include/asm/param.h
index 32e03d877858..965d45427975 100644
--- a/arch/parisc/include/asm/param.h
+++ b/arch/parisc/include/asm/param.h
@@ -1,22 +1 @@
-#ifndef _ASMPARISC_PARAM_H
-#define _ASMPARISC_PARAM_H
-
-#ifdef __KERNEL__
-#define HZ              CONFIG_HZ
-#define USER_HZ         100             /* some user API use "ticks" */
-#define CLOCKS_PER_SEC  (USER_HZ)       /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE   4096
-
-#ifndef NOGROUP
-#define NOGROUP         (-1)
-#endif
-
-#define MAXHOSTNAMELEN  64      /* max length of hostname */
-
-#endif
+#include <asm-generic/param.h>
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 64c7aa590ae5..2242a5c636c2 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -183,20 +183,6 @@ struct pci_bios_ops {
         void (*fixup_bus)(struct pci_bus *bus);
 };
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-        (((PTR)->LEN_NAME) = (VAL))
-
 /*
 ** Stuff declared in arch/parisc/kernel/pci.c
 */
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index a27d2e200fb2..01c15035e783 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -410,7 +410,7 @@ extern void paging_init (void);
 
 #define PG_dcache_dirty         PG_arch_1
 
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 /* Encode and de-code a swap entry */
 
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index aead40b16dd8..7f09533da771 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -47,13 +47,8 @@ struct pt_regs {
 
 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 
-struct task_struct;
 #define arch_has_single_step()  1
-void user_disable_single_step(struct task_struct *task);
-void user_enable_single_step(struct task_struct *task);
-
 #define arch_has_block_step()   1
-void user_enable_block_step(struct task_struct *task);
 
 /* XXX should we use iaoq[1] or iaoq[0] ? */
 #define user_mode(regs)                 (((regs)->iaoq[0] & 3) ? 1 : 0)
diff --git a/arch/parisc/include/asm/socket.h b/arch/parisc/include/asm/socket.h
index 960b1e5d8e16..225b7d6a1a0a 100644
--- a/arch/parisc/include/asm/socket.h
+++ b/arch/parisc/include/asm/socket.h
@@ -59,6 +59,8 @@
 #define SO_TIMESTAMPING         0x4020
 #define SCM_TIMESTAMPING        SO_TIMESTAMPING
 
+#define SO_RXQ_OVFL             0x4021
+
 /* O_NONBLOCK clashes with the bits used for socket types.  Therefore we
  * have to define SOCK_NONBLOCK to a different value here.
  */
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index fae03e136fa8..74036f436a3b 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -5,17 +5,17 @@
 #include <asm/processor.h>
 #include <asm/spinlock_types.h>
 
-static inline int __raw_spin_is_locked(raw_spinlock_t *x)
+static inline int arch_spin_is_locked(arch_spinlock_t *x)
 {
         volatile unsigned int *a = __ldcw_align(x);
         return *a == 0;
 }
 
-#define __raw_spin_lock(lock) __raw_spin_lock_flags(lock, 0)
-#define __raw_spin_unlock_wait(x) \
-                do { cpu_relax(); } while (__raw_spin_is_locked(x))
+#define arch_spin_lock(lock) arch_spin_lock_flags(lock, 0)
+#define arch_spin_unlock_wait(x) \
+                do { cpu_relax(); } while (arch_spin_is_locked(x))
 
-static inline void __raw_spin_lock_flags(raw_spinlock_t *x,
+static inline void arch_spin_lock_flags(arch_spinlock_t *x,
                                          unsigned long flags)
 {
         volatile unsigned int *a;
@@ -33,7 +33,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *x,
         mb();
 }
 
-static inline void __raw_spin_unlock(raw_spinlock_t *x)
+static inline void arch_spin_unlock(arch_spinlock_t *x)
 {
         volatile unsigned int *a;
         mb();
@@ -42,7 +42,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *x)
         mb();
 }
 
-static inline int __raw_spin_trylock(raw_spinlock_t *x)
+static inline int arch_spin_trylock(arch_spinlock_t *x)
 {
         volatile unsigned int *a;
         int ret;
@@ -69,38 +69,38 @@ static inline int __raw_spin_trylock(raw_spinlock_t *x)
 
 /* Note that we have to ensure interrupts are disabled in case we're
  * interrupted by some other code that wants to grab the same read lock */
-static  __inline__ void __raw_read_lock(raw_rwlock_t *rw)
+static  __inline__ void arch_read_lock(arch_rwlock_t *rw)
 {
         unsigned long flags;
         local_irq_save(flags);
-        __raw_spin_lock_flags(&rw->lock, flags);
+        arch_spin_lock_flags(&rw->lock, flags);
         rw->counter++;
-        __raw_spin_unlock(&rw->lock);
+        arch_spin_unlock(&rw->lock);
         local_irq_restore(flags);
 }
 
 /* Note that we have to ensure interrupts are disabled in case we're
  * interrupted by some other code that wants to grab the same read lock */
-static  __inline__ void __raw_read_unlock(raw_rwlock_t *rw)
+static  __inline__ void arch_read_unlock(arch_rwlock_t *rw)
 {
         unsigned long flags;
         local_irq_save(flags);
-        __raw_spin_lock_flags(&rw->lock, flags);
+        arch_spin_lock_flags(&rw->lock, flags);
         rw->counter--;
-        __raw_spin_unlock(&rw->lock);
+        arch_spin_unlock(&rw->lock);
         local_irq_restore(flags);
 }
 
 /* Note that we have to ensure interrupts are disabled in case we're
  * interrupted by some other code that wants to grab the same read lock */
-static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
+static __inline__ int arch_read_trylock(arch_rwlock_t *rw)
 {
         unsigned long flags;
  retry:
         local_irq_save(flags);
-        if (__raw_spin_trylock(&rw->lock)) {
+        if (arch_spin_trylock(&rw->lock)) {
                 rw->counter++;
-                __raw_spin_unlock(&rw->lock);
+                arch_spin_unlock(&rw->lock);
                 local_irq_restore(flags);
                 return 1;
         }
@@ -111,7 +111,7 @@ static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
                 return 0;
 
         /* Wait until we have a realistic chance at the lock */
-        while (__raw_spin_is_locked(&rw->lock) && rw->counter >= 0)
+        while (arch_spin_is_locked(&rw->lock) && rw->counter >= 0)
                 cpu_relax();
 
         goto retry;
@@ -119,15 +119,15 @@ static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
 
 /* Note that we have to ensure interrupts are disabled in case we're
  * interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ void __raw_write_lock(raw_rwlock_t *rw)
+static __inline__ void arch_write_lock(arch_rwlock_t *rw)
 {
         unsigned long flags;
 retry:
         local_irq_save(flags);
-        __raw_spin_lock_flags(&rw->lock, flags);
+        arch_spin_lock_flags(&rw->lock, flags);
 
         if (rw->counter != 0) {
-                __raw_spin_unlock(&rw->lock);
+                arch_spin_unlock(&rw->lock);
                 local_irq_restore(flags);
 
                 while (rw->counter != 0)
@@ -141,27 +141,27 @@ retry:
         local_irq_restore(flags);
 }
 
-static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
+static __inline__ void arch_write_unlock(arch_rwlock_t *rw)
 {
         rw->counter = 0;
-        __raw_spin_unlock(&rw->lock);
+        arch_spin_unlock(&rw->lock);
 }
 
 /* Note that we have to ensure interrupts are disabled in case we're
  * interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
+static __inline__ int arch_write_trylock(arch_rwlock_t *rw)
 {
         unsigned long flags;
         int result = 0;
 
         local_irq_save(flags);
-        if (__raw_spin_trylock(&rw->lock)) {
+        if (arch_spin_trylock(&rw->lock)) {
                 if (rw->counter == 0) {
                         rw->counter = -1;
                         result = 1;
                 } else {
                         /* Read-locked.  Oh well. */
-                        __raw_spin_unlock(&rw->lock);
+                        arch_spin_unlock(&rw->lock);
                 }
         }
         local_irq_restore(flags);
@@ -173,7 +173,7 @@ static __inline__ int __raw_write_trylock(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)
+static __inline__ int arch_read_can_lock(arch_rwlock_t *rw)
 {
         return rw->counter >= 0;
 }
@@ -182,16 +182,16 @@ static __inline__ int __raw_read_can_lock(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)
+static __inline__ int arch_write_can_lock(arch_rwlock_t *rw)
 {
         return !rw->counter;
 }
 
-#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
-#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
 
-#define _raw_spin_relax(lock)   cpu_relax()
-#define _raw_read_relax(lock)   cpu_relax()
-#define _raw_write_relax(lock)  cpu_relax()
+#define arch_spin_relax(lock)   cpu_relax()
+#define arch_read_relax(lock)   cpu_relax()
+#define arch_write_relax(lock)  cpu_relax()
 
 #endif /* __ASM_SPINLOCK_H */
diff --git a/arch/parisc/include/asm/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h
index 3f72f47cf4b2..8c373aa28a86 100644
--- a/arch/parisc/include/asm/spinlock_types.h
+++ b/arch/parisc/include/asm/spinlock_types.h
@@ -4,18 +4,18 @@
 typedef struct {
 #ifdef CONFIG_PA20
         volatile unsigned int slock;
-# define __RAW_SPIN_LOCK_UNLOCKED { 1 }
+# define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
 #else
         volatile unsigned int lock[4];
-# define __RAW_SPIN_LOCK_UNLOCKED       { { 1, 1, 1, 1 } }
+# define __ARCH_SPIN_LOCK_UNLOCKED      { { 1, 1, 1, 1 } }
 #endif
-} raw_spinlock_t;
+} arch_spinlock_t;
 
 typedef struct {
-        raw_spinlock_t lock;
+        arch_spinlock_t lock;
         volatile int counter;
-} raw_rwlock_t;
+} arch_rwlock_t;
 
-#define __RAW_RW_LOCK_UNLOCKED          { __RAW_SPIN_LOCK_UNLOCKED, 0 }
+#define __ARCH_RW_LOCK_UNLOCKED         { __ARCH_SPIN_LOCK_UNLOCKED, 0 }
 
 #endif
diff --git a/arch/parisc/include/asm/system.h b/arch/parisc/include/asm/system.h
index d91357bca5b4..4653c77bf9d1 100644
--- a/arch/parisc/include/asm/system.h
+++ b/arch/parisc/include/asm/system.h
@@ -160,7 +160,7 @@ static inline void set_eiem(unsigned long val)
    ldcd). */
 
 #define __PA_LDCW_ALIGNMENT     4
-#define __ldcw_align(a) ((volatile unsigned int *)a)
+#define __ldcw_align(a) (&(a)->slock)
 #define __LDCW  "ldcw,co"
 
 #endif /*!CONFIG_PA20*/
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 7cf799d70b4c..ff4cf9dab8d2 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -7,6 +7,7 @@
 #include <asm/page.h>
 #include <asm/system.h>
 #include <asm/cache.h>
+#include <asm/errno.h>
 #include <asm-generic/uaccess-unaligned.h>
 
 #define VERIFY_READ 0
@@ -234,13 +235,35 @@ extern long lstrnlen_user(const char __user *,long);
 
 unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len);
 #define __copy_to_user copy_to_user
-unsigned long copy_from_user(void *dst, const void __user *src, unsigned long len);
-#define __copy_from_user copy_from_user
+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len);
 unsigned long copy_in_user(void __user *dst, const void __user *src, unsigned long len);
 #define __copy_in_user copy_in_user
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+        __compiletime_error("copy_from_user() buffer size is not provably correct")
+#else
+        __compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
+static inline unsigned long __must_check copy_from_user(void *to,
+                                          const void __user *from,
+                                          unsigned long n)
+{
+        int sz = __compiletime_object_size(to);
+        int ret = -EFAULT;
+
+        if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
+                ret = __copy_from_user(to, from, n);
+        else
+                copy_from_user_overflow();
+
+        return ret;
+}
+
 struct pt_regs;
 int fixup_exception(struct pt_regs *regs);
 
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index cda158318c62..1ce7d2851d90 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -811,8 +811,10 @@
 #define __NR_pwritev            (__NR_Linux + 316)
 #define __NR_rt_tgsigqueueinfo  (__NR_Linux + 317)
 #define __NR_perf_event_open    (__NR_Linux + 318)
+#define __NR_recvmmsg           (__NR_Linux + 319)
+#define __NR_accept4            (__NR_Linux + 320)
 
-#define __NR_Linux_syscalls     (__NR_perf_event_open + 1)
+#define __NR_Linux_syscalls     (__NR_accept4 + 1)
 
 
 #define __IGNORE_select         /* newselect */