Merge branch 'this_cpu_ops' into for-2.6.38

19 files changed, 163 insertions, 24 deletions

diff --git a/include/acpi/video.h b/include/acpi/video.h
index 551793c9b6e..0e98e679d3a 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -1,6 +1,10 @@
 #ifndef __ACPI_VIDEO_H
 #define __ACPI_VIDEO_H
 
+#include <linux/errno.h> /* for ENODEV */
+
+struct acpi_device;
+
 #define ACPI_VIDEO_DISPLAY_CRT  1
 #define ACPI_VIDEO_DISPLAY_TV   2
 #define ACPI_VIDEO_DISPLAY_DVI  3
@@ -26,4 +30,3 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 #endif
 
 #endif
-
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8c641bed9bb..a2776e2807a 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -287,6 +287,8 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_HAS_EXECBUF2          9
 #define I915_PARAM_HAS_BSD               10
 #define I915_PARAM_HAS_BLT               11
+#define I915_PARAM_HAS_RELAXED_FENCING   12
+#define I915_PARAM_HAS_COHERENT_RINGS    13
 
 typedef struct drm_i915_getparam {
         int param;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 050a7bccb83..67c91b4418b 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -219,7 +219,7 @@ static inline int acpi_video_display_switch_support(void)
 
 extern int acpi_blacklisted(void);
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
-extern int acpi_osi_setup(char *str);
+extern void acpi_osi_setup(char *str);
 
 #ifdef CONFIG_ACPI_NUMA
 int acpi_get_pxm(acpi_handle handle);
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index a8e4e832cdb..475f8c42c0e 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -427,8 +427,10 @@ extern rwlock_t vcc_sklist_lock;
 
 #define ATM_SKB(skb) (((struct atm_skb_data *) (skb)->cb))
 
-struct atm_dev *atm_dev_register(const char *type,const struct atmdev_ops *ops,
-    int number,unsigned long *flags); /* number == -1: pick first available */
+struct atm_dev *atm_dev_register(const char *type, struct device *parent,
+                                 const struct atmdev_ops *ops,
+                                 int number, /* -1 == pick first available */
+                                 unsigned long *flags);
 struct atm_dev *atm_dev_lookup(int number);
 void atm_dev_deregister(struct atm_dev *dev);
 
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 0f0121467fc..6c6133f76e1 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -83,11 +83,13 @@
                                  FAN_ALL_PERM_EVENTS |\
                                  FAN_Q_OVERFLOW)
 
-#define FANOTIFY_METADATA_VERSION       2
+#define FANOTIFY_METADATA_VERSION       3
 
 struct fanotify_event_metadata {
         __u32 event_len;
-        __u32 vers;
+        __u8 vers;
+        __u8 reserved;
+        __u16 metadata_len;
         __aligned_u64 mask;
         __s32 fd;
         __s32 pid;
@@ -96,11 +98,13 @@ struct fanotify_event_metadata {
 struct fanotify_response {
         __s32 fd;
         __u32 response;
-} __attribute__ ((packed));
+};
 
 /* Legit userspace responses to a _PERM event */
 #define FAN_ALLOW       0x01
 #define FAN_DENY        0x02
+/* No fd set in event */
+#define FAN_NOFD        -1
 
 /* Helper functions to deal with fanotify_event_metadata buffers */
 #define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata))
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c9e06cc70da..090f0eacde2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -602,6 +602,7 @@ struct address_space_operations {
         sector_t (*bmap)(struct address_space *, sector_t);
         void (*invalidatepage) (struct page *, unsigned long);
         int (*releasepage) (struct page *, gfp_t);
+        void (*freepage)(struct page *);
         ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
                         loff_t offset, unsigned long nr_segs);
         int (*get_xip_mem)(struct address_space *, pgoff_t, int,
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 5c185fa2708..b10bcdeaef7 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -235,9 +235,6 @@ static inline void fsnotify_open(struct file *file)
         if (S_ISDIR(inode->i_mode))
                 mask |= FS_ISDIR;
 
-        /* FMODE_NONOTIFY must never be set from user */
-        file->f_mode &= ~FMODE_NONOTIFY;
-
         fsnotify_parent(path, NULL, mask);
         fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
 }
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 0a68f924f06..7380763595d 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -166,7 +166,7 @@ struct fsnotify_group {
                         struct mutex access_mutex;
                         struct list_head access_list;
                         wait_queue_head_t access_waitq;
-                        bool bypass_perm; /* protected by access_mutex */
+                        atomic_t bypass_perm;
 #endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */
                         int f_flags;
                         unsigned int max_marks;
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h
index ce73a30113b..dd1a56fbe92 100644
--- a/include/linux/gpio_keys.h
+++ b/include/linux/gpio_keys.h
@@ -16,6 +16,8 @@ struct gpio_keys_button {
 struct gpio_keys_platform_data {
         struct gpio_keys_button *buttons;
         int nbuttons;
+        unsigned int poll_interval;     /* polling interval in msecs -
+                                           for polling driver only */
         unsigned int rep:1;             /* enable input subsystem auto repeat */
         int (*enable)(struct device *dev);
         void (*disable)(struct device *dev);
diff --git a/include/linux/input.h b/include/linux/input.h
index 6ef44465db8..9777668883b 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -47,6 +47,25 @@ struct input_id {
         __u16 version;
 };
 
+/**
+ * struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls
+ * @value: latest reported value for the axis.
+ * @minimum: specifies minimum value for the axis.
+ * @maximum: specifies maximum value for the axis.
+ * @fuzz: specifies fuzz value that is used to filter noise from
+ *      the event stream.
+ * @flat: values that are within this value will be discarded by
+ *      joydev interface and reported as 0 instead.
+ * @resolution: specifies resolution for the values reported for
+ *      the axis.
+ *
+ * Note that input core does not clamp reported values to the
+ * [minimum, maximum] limits, such task is left to userspace.
+ *
+ * Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in
+ * units per millimeter (units/mm), resolution for rotational axes
+ * (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian.
+ */
 struct input_absinfo {
         __s32 value;
         __s32 minimum;
@@ -85,8 +104,10 @@ struct input_keymap_entry {
 #define EVIOCGREP               _IOR('E', 0x03, unsigned int[2])        /* get repeat settings */
 #define EVIOCSREP               _IOW('E', 0x03, unsigned int[2])        /* set repeat settings */
 
-#define EVIOCGKEYCODE           _IOR('E', 0x04, struct input_keymap_entry)      /* get keycode */
-#define EVIOCSKEYCODE           _IOW('E', 0x04, struct input_keymap_entry)      /* set keycode */
+#define EVIOCGKEYCODE           _IOR('E', 0x04, unsigned int[2])        /* get keycode */
+#define EVIOCGKEYCODE_V2        _IOR('E', 0x04, struct input_keymap_entry)
+#define EVIOCSKEYCODE           _IOW('E', 0x04, unsigned int[2])        /* set keycode */
+#define EVIOCSKEYCODE_V2        _IOW('E', 0x04, struct input_keymap_entry)
 
 #define EVIOCGNAME(len)         _IOC(_IOC_READ, 'E', 0x06, len)         /* get device name */
 #define EVIOCGPHYS(len)         _IOC(_IOC_READ, 'E', 0x07, len)         /* get physical location */
@@ -624,6 +645,10 @@ struct input_keymap_entry {
 #define KEY_CAMERA_FOCUS        0x210
 #define KEY_WPS_BUTTON          0x211   /* WiFi Protected Setup key */
 
+#define KEY_TOUCHPAD_TOGGLE     0x212   /* Request switch touchpad on or off */
+#define KEY_TOUCHPAD_ON         0x213
+#define KEY_TOUCHPAD_OFF        0x214
+
 #define BTN_TRIGGER_HAPPY               0x2c0
 #define BTN_TRIGGER_HAPPY1              0x2c0
 #define BTN_TRIGGER_HAPPY2              0x2c1
@@ -1130,7 +1155,7 @@ struct input_mt_slot {
  *      of tracked contacts
  * @mtsize: number of MT slots the device uses
  * @slot: MT slot currently being transmitted
- * @absinfo: array of &struct absinfo elements holding information
+ * @absinfo: array of &struct input_absinfo elements holding information
  *      about absolute axes (current value, min, max, flat, fuzz,
  *      resolution)
  * @key: reflects current state of device's keys/buttons
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
index 5c51f367c06..add8a1b8bcf 100644
--- a/include/linux/mfd/wm8994/pdata.h
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -29,7 +29,7 @@ struct wm8994_ldo_pdata {
 #define WM8994_CONFIGURE_GPIO 0x8000
 
 #define WM8994_DRC_REGS 5
-#define WM8994_EQ_REGS  19
+#define WM8994_EQ_REGS  20
 
 /**
  * DRC configurations are specified with a label and a set of register
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index c66fdb7d699..29d504d5d1c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -401,6 +401,7 @@ extern const struct inode_operations nfs3_file_inode_operations;
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_file_operations;
 extern const struct address_space_operations nfs_file_aops;
+extern const struct address_space_operations nfs_dir_aops;
 
 static inline struct nfs_open_context *nfs_file_open_context(struct file *filp)
 {
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index f8b60e7f4c4..d55cee73f63 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -29,6 +29,7 @@
  */
 enum {
         PG_BUSY = 0,
+        PG_MAPPED,
         PG_CLEAN,
         PG_NEED_COMMIT,
         PG_NEED_RESCHED,
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 5095b834a6f..4d593defc47 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -240,6 +240,21 @@ extern void __bad_size_call_parameter(void);
         pscr_ret__;                                                     \
 })
 
+#define __pcpu_size_call_return2(stem, variable, ...)                   \
+({                                                                      \
+        typeof(variable) pscr2_ret__;                                   \
+        __verify_pcpu_ptr(&(variable));                                 \
+        switch(sizeof(variable)) {                                      \
+        case 1: pscr2_ret__ = stem##1(variable, __VA_ARGS__); break;    \
+        case 2: pscr2_ret__ = stem##2(variable, __VA_ARGS__); break;    \
+        case 4: pscr2_ret__ = stem##4(variable, __VA_ARGS__); break;    \
+        case 8: pscr2_ret__ = stem##8(variable, __VA_ARGS__); break;    \
+        default:                                                        \
+                __bad_size_call_parameter(); break;                     \
+        }                                                               \
+        pscr2_ret__;                                                    \
+})
+
 #define __pcpu_size_call(stem, variable, ...)                           \
 do {                                                                    \
         __verify_pcpu_ptr(&(variable));                                 \
@@ -529,6 +544,62 @@ do {									\
 # define __this_cpu_xor(pcp, val)       __pcpu_size_call(__this_cpu_xor_, (pcp), (val))
 #endif
 
+#define _this_cpu_generic_add_return(pcp, val)                          \
+({                                                                      \
+        typeof(pcp) ret__;                                              \
+        preempt_disable();                                              \
+        __this_cpu_add(pcp, val);                                       \
+        ret__ = __this_cpu_read(pcp);                                   \
+        preempt_enable();                                               \
+        ret__;                                                          \
+})
+
+#ifndef this_cpu_add_return
+# ifndef this_cpu_add_return_1
+#  define this_cpu_add_return_1(pcp, val)       _this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef this_cpu_add_return_2
+#  define this_cpu_add_return_2(pcp, val)       _this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef this_cpu_add_return_4
+#  define this_cpu_add_return_4(pcp, val)       _this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef this_cpu_add_return_8
+#  define this_cpu_add_return_8(pcp, val)       _this_cpu_generic_add_return(pcp, val)
+# endif
+# define this_cpu_add_return(pcp, val)  __pcpu_size_call_return2(this_cpu_add_return_, pcp, val)
+#endif
+
+#define this_cpu_sub_return(pcp, val)   this_cpu_add_return(pcp, -(val))
+#define this_cpu_inc_return(pcp)        this_cpu_add_return(pcp, 1)
+#define this_cpu_dec_return(pcp)        this_cpu_add_return(pcp, -1)
+
+#define __this_cpu_generic_add_return(pcp, val)                         \
+({                                                                      \
+        __this_cpu_add(pcp, val);                                       \
+        __this_cpu_read(pcp);                                           \
+})
+
+#ifndef __this_cpu_add_return
+# ifndef __this_cpu_add_return_1
+#  define __this_cpu_add_return_1(pcp, val)     __this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef __this_cpu_add_return_2
+#  define __this_cpu_add_return_2(pcp, val)     __this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef __this_cpu_add_return_4
+#  define __this_cpu_add_return_4(pcp, val)     __this_cpu_generic_add_return(pcp, val)
+# endif
+# ifndef __this_cpu_add_return_8
+#  define __this_cpu_add_return_8(pcp, val)     __this_cpu_generic_add_return(pcp, val)
+# endif
+# define __this_cpu_add_return(pcp, val)        __pcpu_size_call_return2(this_cpu_add_return_, pcp, val)
+#endif
+
+#define __this_cpu_sub_return(pcp, val) this_cpu_add_return(pcp, -(val))
+#define __this_cpu_inc_return(pcp)      this_cpu_add_return(pcp, 1)
+#define __this_cpu_dec_return(pcp)      this_cpu_add_return(pcp, -1)
+
 /*
  * IRQ safe versions of the per cpu RMW operations. Note that these operations
  * are *not* safe against modification of the same variable from another
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index ebb0c80ffd6..12b2b18e50c 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -230,6 +230,7 @@ enum
         LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */
         LINUX_MIB_TCPDEFERACCEPTDROP,
         LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */
+        LINUX_MIB_TCPTIMEWAITOVERFLOW,          /* TCPTimeWaitOverflow */
         __LINUX_MIB_MAX
 };
 
diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h
index 942e3873690..eba52a10053 100644
--- a/include/linux/ssb/ssb_driver_gige.h
+++ b/include/linux/ssb/ssb_driver_gige.h
@@ -96,16 +96,21 @@ static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev)
         return 0;
 }
 
-extern char * nvram_get(const char *name);
+#ifdef CONFIG_BCM47XX
+#include <asm/mach-bcm47xx/nvram.h>
 /* Get the device MAC address */
 static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
 {
-#ifdef CONFIG_BCM47XX
-        char *res = nvram_get("et0macaddr");
-        if (res)
-                memcpy(macaddr, res, 6);
-#endif
+        char buf[20];
+        if (nvram_getenv("et0macaddr", buf, sizeof(buf)) < 0)
+                return;
+        nvram_parse_macaddr(buf, macaddr);
 }
+#else
+static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
+{
+}
+#endif
 
 extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
                                           struct pci_dev *pdev);
diff --git a/include/linux/video_output.h b/include/linux/video_output.h
index 2fb46bc9340..ed5cdeb3604 100644
--- a/include/linux/video_output.h
+++ b/include/linux/video_output.h
@@ -23,6 +23,7 @@
 #ifndef _LINUX_VIDEO_OUTPUT_H
 #define _LINUX_VIDEO_OUTPUT_H
 #include <linux/device.h>
+#include <linux/err.h>
 struct output_device;
 struct output_properties {
         int (*set_state)(struct output_device *);
@@ -34,9 +35,23 @@ struct output_device {
         struct device dev;
 };
 #define to_output_device(obj) container_of(obj, struct output_device, dev)
+#if     defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE)
 struct output_device *video_output_register(const char *name,
         struct device *dev,
         void *devdata,
         struct output_properties *op);
 void video_output_unregister(struct output_device *dev);
+#else
+static struct output_device *video_output_register(const char *name,
+        struct device *dev,
+        void *devdata,
+        struct output_properties *op)
+{
+        return ERR_PTR(-ENODEV);
+}
+static void video_output_unregister(struct output_device *dev)
+{
+        return;
+}
+#endif
 #endif
diff --git a/include/net/sock.h b/include/net/sock.h
index a6338d03985..659d968d95c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1155,6 +1155,8 @@ extern void sk_common_release(struct sock *sk);
 /* Initialise core socket variables */
 extern void sock_init_data(struct socket *sock, struct sock *sk);
 
+extern void sk_filter_release_rcu(struct rcu_head *rcu);
+
 /**
  *      sk_filter_release - release a socket filter
  *      @fp: filter to remove
@@ -1165,7 +1167,7 @@ extern void sock_init_data(struct socket *sock, struct sock *sk);
 static inline void sk_filter_release(struct sk_filter *fp)
 {
         if (atomic_dec_and_test(&fp->refcnt))
-                kfree(fp);
+                call_rcu_bh(&fp->rcu, sk_filter_release_rcu);
 }
 
 static inline void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp)
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index e8cbf431c8c..75271b9a8f6 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -24,8 +24,15 @@ typedef unsigned int RING_IDX;
  * A ring contains as many entries as will fit, rounded down to the nearest
  * power of two (so we can mask with (size-1) to loop around).
  */
-#define __RING_SIZE(_s, _sz) \
-    (__RD32(((_sz) - (long)&(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0])))
+#define __CONST_RING_SIZE(_s, _sz)                              \
+        (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) /   \
+                sizeof(((struct _s##_sring *)0)->ring[0])))
+
+/*
+ * The same for passing in an actual pointer instead of a name tag.
+ */
+#define __RING_SIZE(_s, _sz)                                            \
+        (__RD32(((_sz) - (long)&(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0])))
 
 /*
  * Macros to make the correct C datatypes for a new kind of ring.