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

14 files changed, 118 insertions, 51 deletions

diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index c8946465e63a..ecc44a8e2b44 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -15,19 +15,19 @@
 #  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/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 4b6755984d24..18c435d7c082 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -113,22 +113,22 @@ extern void warn_slowpath_null(const char *file, const int line);
 #endif
 
 #define WARN_ON_ONCE(condition) ({                              \
-        static int __warned;                                    \
+        static bool __warned;                                   \
         int __ret_warn_once = !!(condition);                    \
                                                                 \
         if (unlikely(__ret_warn_once))                          \
                 if (WARN_ON(!__warned))                         \
-                        __warned = 1;                           \
+                        __warned = true;                        \
         unlikely(__ret_warn_once);                              \
 })
 
 #define WARN_ONCE(condition, format...) ({                      \
-        static int __warned;                                    \
+        static bool __warned;                                   \
         int __ret_warn_once = !!(condition);                    \
                                                                 \
         if (unlikely(__ret_warn_once))                          \
                 if (WARN(!__warned, format))                    \
-                        __warned = 1;                           \
+                        __warned = true;                        \
         unlikely(__ret_warn_once);                              \
 })
 
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h
index ba4ec39a1131..57b5c3c82e86 100644
--- a/include/asm-generic/cacheflush.h
+++ b/include/asm-generic/cacheflush.h
@@ -13,6 +13,7 @@
 #define flush_cache_dup_mm(mm)                  do { } while (0)
 #define flush_cache_range(vma, start, end)      do { } while (0)
 #define flush_cache_page(vma, vmaddr, pfn)      do { } while (0)
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
 #define flush_dcache_page(page)                 do { } while (0)
 #define flush_dcache_mmap_lock(mapping)         do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)       do { } while (0)
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index e694263445f7..69206957b72c 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -131,7 +131,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
                 debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
 
         } else
-                dma_sync_single_for_cpu(dev, addr, size, dir);
+                dma_sync_single_for_cpu(dev, addr + offset, size, dir);
 }
 
 static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -148,7 +148,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
                 debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);
 
         } else
-                dma_sync_single_for_device(dev, addr, size, dir);
+                dma_sync_single_for_device(dev, addr + offset, size, dir);
 }
 
 static inline void
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index 495dc8af4044..fcd268ce0674 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -3,8 +3,6 @@
 
 #include <linux/types.h>
 
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
-   located on an ext2 file system */
 #define O_ACCMODE       00000003
 #define O_RDONLY        00000000
 #define O_WRONLY        00000001
@@ -27,8 +25,8 @@
 #ifndef O_NONBLOCK
 #define O_NONBLOCK      00004000
 #endif
-#ifndef O_SYNC
-#define O_SYNC          00010000
+#ifndef O_DSYNC
+#define O_DSYNC         00010000        /* used to be O_SYNC, see below */
 #endif
 #ifndef FASYNC
 #define FASYNC          00020000        /* fcntl, for BSD compatibility */
@@ -51,6 +49,25 @@
 #ifndef O_CLOEXEC
 #define O_CLOEXEC       02000000        /* set close_on_exec */
 #endif
+
+/*
+ * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using
+ * the O_SYNC flag.  We continue to use the existing numerical value
+ * for O_DSYNC semantics now, but using the correct symbolic name for it.
+ * This new value is used to request true Posix O_SYNC semantics.  It is
+ * defined in this strange way to make sure applications compiled against
+ * new headers get at least O_DSYNC semantics on older kernels.
+ *
+ * This has the nice side-effect that we can simply test for O_DSYNC
+ * wherever we do not care if O_DSYNC or O_SYNC is used.
+ *
+ * Note: __O_SYNC must never be used directly.
+ */
+#ifndef O_SYNC
+#define __O_SYNC        04000000
+#define O_SYNC          (__O_SYNC|O_DSYNC)
+#endif
+
 #ifndef O_NDELAY
 #define O_NDELAY        O_NONBLOCK
 #endif
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 66d6106a2067..979c6a57f2f1 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -28,6 +28,7 @@ static inline int gpio_is_valid(int number)
         return ((unsigned)number) < ARCH_NR_GPIOS;
 }
 
+struct device;
 struct seq_file;
 struct module;
 
@@ -135,6 +136,32 @@ extern int __gpio_cansleep(unsigned gpio);
 
 extern int __gpio_to_irq(unsigned gpio);
 
+#define GPIOF_DIR_OUT   (0 << 0)
+#define GPIOF_DIR_IN    (1 << 0)
+
+#define GPIOF_INIT_LOW  (0 << 1)
+#define GPIOF_INIT_HIGH (1 << 1)
+
+#define GPIOF_IN                (GPIOF_DIR_IN)
+#define GPIOF_OUT_INIT_LOW      (GPIOF_DIR_OUT | GPIOF_INIT_LOW)
+#define GPIOF_OUT_INIT_HIGH     (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
+
+/**
+ * struct gpio - a structure describing a GPIO with configuration
+ * @gpio:       the GPIO number
+ * @flags:      GPIO configuration as specified by GPIOF_*
+ * @label:      a literal description string of this GPIO
+ */
+struct gpio {
+        unsigned        gpio;
+        unsigned long   flags;
+        const char      *label;
+};
+
+extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
+extern int gpio_request_array(struct gpio *array, size_t num);
+extern void gpio_free_array(struct gpio *array, size_t num);
+
 #ifdef CONFIG_GPIO_SYSFS
 
 /*
@@ -144,6 +171,7 @@ extern int __gpio_to_irq(unsigned gpio);
 extern int gpio_export(unsigned gpio, bool direction_may_change);
 extern int gpio_export_link(struct device *dev, const char *name,
                         unsigned gpio);
+extern int gpio_sysfs_set_active_low(unsigned gpio, int value);
 extern void gpio_unexport(unsigned gpio);
 
 #endif  /* CONFIG_GPIO_SYSFS */
@@ -181,6 +209,8 @@ static inline void gpio_set_value_cansleep(unsigned gpio, int value)
 
 #ifndef CONFIG_GPIO_SYSFS
 
+struct device;
+
 /* sysfs support is only available with gpiolib, where it's optional */
 
 static inline int gpio_export(unsigned gpio, bool direction_may_change)
@@ -194,6 +224,11 @@ static inline int gpio_export_link(struct device *dev, const char *name,
         return -ENOSYS;
 }
 
+static inline int gpio_sysfs_set_active_low(unsigned gpio, int value)
+{
+        return -ENOSYS;
+}
+
 static inline void gpio_unexport(unsigned gpio)
 {
 }
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index fc218444e315..c8a5d68541d7 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -52,23 +52,4 @@ typedef struct
 #define __local_add(i,l)        local_set((l), local_read(l) + (i))
 #define __local_sub(i,l)        local_set((l), local_read(l) - (i))
 
-/* Use these for per-cpu local_t variables: on some archs they are
- * much more efficient than these naive implementations.  Note they take
- * a variable (eg. mystruct.foo), not an address.
- */
-#define cpu_local_read(l)       local_read(&__get_cpu_var(l))
-#define cpu_local_set(l, i)     local_set(&__get_cpu_var(l), (i))
-#define cpu_local_inc(l)        local_inc(&__get_cpu_var(l))
-#define cpu_local_dec(l)        local_dec(&__get_cpu_var(l))
-#define cpu_local_add(i, l)     local_add((i), &__get_cpu_var(l))
-#define cpu_local_sub(i, l)     local_sub((i), &__get_cpu_var(l))
-
-/* Non-atomic increments, ie. preemption disabled and won't be touched
- * in interrupt, etc.  Some archs can optimize this case well.
- */
-#define __cpu_local_inc(l)      __local_inc(&__get_cpu_var(l))
-#define __cpu_local_dec(l)      __local_dec(&__get_cpu_var(l))
-#define __cpu_local_add(i, l)   __local_add((i), &__get_cpu_var(l))
-#define __cpu_local_sub(i, l)   __local_sub((i), &__get_cpu_var(l))
-
 #endif /* _ASM_GENERIC_LOCAL_H */
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 4c8d0afae711..fb2d63f13f4c 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -47,7 +47,7 @@
 
 #elif defined(CONFIG_SPARSEMEM_VMEMMAP)
 
-/* memmap is virtually contigious.  */
+/* memmap is virtually contiguous.  */
 #define __pfn_to_page(pfn)      (vmemmap + (pfn))
 #define __page_to_pfn(page)     (unsigned long)((page) - vmemmap)
 
diff --git a/include/asm-generic/mman-common.h b/include/asm-generic/mman-common.h
index 5ee13b2fd223..3da9e2742fa0 100644
--- a/include/asm-generic/mman-common.h
+++ b/include/asm-generic/mman-common.h
@@ -19,6 +19,11 @@
 #define MAP_TYPE        0x0f            /* Mask for type of mapping */
 #define MAP_FIXED       0x10            /* Interpret addr exactly */
 #define MAP_ANONYMOUS   0x20            /* don't use a file */
+#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED
+# define MAP_UNINITIALIZED 0x4000000    /* For anonymous mmap, memory could be uninitialized */
+#else
+# define MAP_UNINITIALIZED 0x0          /* Don't support this flag */
+#endif
 
 #define MS_ASYNC        1               /* sync memory asynchronously */
 #define MS_INVALIDATE   2               /* invalidate the caches */
@@ -35,6 +40,7 @@
 #define MADV_DONTFORK   10              /* don't inherit across fork */
 #define MADV_DOFORK     11              /* do inherit across fork */
 #define MADV_HWPOISON   100             /* poison a page for testing */
+#define MADV_SOFT_OFFLINE 101           /* soft offline page for testing */
 
 #define MADV_MERGEABLE   12             /* KSM may merge identical pages */
 #define MADV_UNMERGEABLE 13             /* KSM may not merge identical pages */
diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index 37b3706226e7..1437b7da09b2 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -6,9 +6,6 @@
 
 #include <linux/dma-mapping.h>
 
-/* note pci_set_dma_mask isn't here, since it's a public function
- * exported from drivers/pci, use dma_supported instead */
-
 static inline int
 pci_dma_supported(struct pci_dev *hwdev, u64 mask)
 {
@@ -104,4 +101,16 @@ pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
         return dma_mapping_error(&pdev->dev, dma_addr);
 }
 
+#ifdef CONFIG_PCI
+static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+        return dma_set_mask(&dev->dev, mask);
+}
+
+static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+        return dma_set_coherent_mask(&dev->dev, mask);
+}
+#endif
+
 #endif
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 90079c373f1c..04f91c2d3f7b 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -41,7 +41,11 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
  * Only S390 provides its own means of moving the pointer.
  */
 #ifndef SHIFT_PERCPU_PTR
-#define SHIFT_PERCPU_PTR(__p, __offset) RELOC_HIDE((__p), (__offset))
+/* Weird cast keeps both GCC and sparse happy. */
+#define SHIFT_PERCPU_PTR(__p, __offset) ({                              \
+        __verify_pcpu_ptr((__p));                                       \
+        RELOC_HIDE((typeof(*(__p)) __kernel __force *)(__p), (__offset)); \
+})
 #endif
 
 /*
@@ -50,11 +54,14 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
  * offset.
  */
 #define per_cpu(var, cpu) \
-        (*SHIFT_PERCPU_PTR(&per_cpu_var(var), per_cpu_offset(cpu)))
+        (*SHIFT_PERCPU_PTR(&(var), per_cpu_offset(cpu)))
 #define __get_cpu_var(var) \
-        (*SHIFT_PERCPU_PTR(&per_cpu_var(var), my_cpu_offset))
+        (*SHIFT_PERCPU_PTR(&(var), my_cpu_offset))
 #define __raw_get_cpu_var(var) \
-        (*SHIFT_PERCPU_PTR(&per_cpu_var(var), __my_cpu_offset))
+        (*SHIFT_PERCPU_PTR(&(var), __my_cpu_offset))
+
+#define this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, my_cpu_offset)
+#define __this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
 
 
 #ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
@@ -63,9 +70,11 @@ extern void setup_per_cpu_areas(void);
 
 #else /* ! SMP */
 
-#define per_cpu(var, cpu)                       (*((void)(cpu), &per_cpu_var(var)))
-#define __get_cpu_var(var)                      per_cpu_var(var)
-#define __raw_get_cpu_var(var)                  per_cpu_var(var)
+#define per_cpu(var, cpu)                       (*((void)(cpu), &(var)))
+#define __get_cpu_var(var)                      (var)
+#define __raw_get_cpu_var(var)                  (var)
+#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
+#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
 
 #endif  /* SMP */
 
diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h
index 538991cef6f0..9a6115e7cf63 100644
--- a/include/asm-generic/socket.h
+++ b/include/asm-generic/socket.h
@@ -63,4 +63,5 @@
 #define SO_PROTOCOL             38
 #define SO_DOMAIN               39
 
+#define SO_RXQ_OVFL             40
 #endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index d76b66acea95..6a0b30f78a62 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -622,16 +622,20 @@ __SYSCALL(__NR_move_pages, sys_move_pages)
 __SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
 #define __NR_perf_event_open 241
 __SYSCALL(__NR_perf_event_open, sys_perf_event_open)
+#define __NR_accept4 242
+__SYSCALL(__NR_accept4, sys_accept4)
+#define __NR_recvmmsg 243
+__SYSCALL(__NR_recvmmsg, sys_recvmmsg)
 
 #undef __NR_syscalls
-#define __NR_syscalls 242
+#define __NR_syscalls 244
 
 /*
  * All syscalls below here should go away really,
  * these are provided for both review and as a porting
  * help for the C library version.
 *
- * Last chance: are any of these important enought to
+ * Last chance: are any of these important enough to
  * enable by default?
  */
 #ifdef __ARCH_WANT_SYSCALL_NO_AT
@@ -802,7 +806,7 @@ __SYSCALL(__NR_fork, sys_ni_syscall)
 #define __NR_statfs __NR3264_statfs
 #define __NR_fstatfs __NR3264_fstatfs
 #define __NR_truncate __NR3264_truncate
-#define __NR_ftruncate __NR3264_truncate
+#define __NR_ftruncate __NR3264_ftruncate
 #define __NR_lseek __NR3264_lseek
 #define __NR_sendfile __NR3264_sendfile
 #define __NR_newfstatat __NR3264_fstatat
@@ -818,7 +822,7 @@ __SYSCALL(__NR_fork, sys_ni_syscall)
 #define __NR_statfs64 __NR3264_statfs
 #define __NR_fstatfs64 __NR3264_fstatfs
 #define __NR_truncate64 __NR3264_truncate
-#define __NR_ftruncate64 __NR3264_truncate
+#define __NR_ftruncate64 __NR3264_ftruncate
 #define __NR_llseek __NR3264_lseek
 #define __NR_sendfile64 __NR3264_sendfile
 #define __NR_fstatat64 __NR3264_fstatat
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index b6e818f4b247..67e652068e0e 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -52,8 +52,12 @@
 #define LOAD_OFFSET 0
 #endif
 
-#ifndef VMLINUX_SYMBOL
-#define VMLINUX_SYMBOL(_sym_) _sym_
+#ifndef SYMBOL_PREFIX
+#define VMLINUX_SYMBOL(sym) sym
+#else
+#define PASTE2(x,y) x##y
+#define PASTE(x,y) PASTE2(x,y)
+#define VMLINUX_SYMBOL(sym) PASTE(SYMBOL_PREFIX, sym)
 #endif
 
 /* Align . to a 8 byte boundary equals to maximum function alignment. */