diff options
Diffstat (limited to 'include/linux')
38 files changed, 529 insertions, 251 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index bb9e5432232..75e91f5b6a0 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -19,20 +19,25 @@ struct fb_info; struct backlight_properties { /* Owner module */ struct module *owner; - /* Get the backlight power status (0: full on, 1..3: power saving - modes; 4: full off), see FB_BLANK_XXX */ - int (*get_power)(struct backlight_device *); - /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */ - int (*set_power)(struct backlight_device *, int power); - /* Maximal value for brightness (read-only) */ - int max_brightness; - /* Get current backlight brightness */ + + /* Notify the backlight driver some property has changed */ + int (*update_status)(struct backlight_device *); + /* Return the current backlight brightness (accounting for power, + fb_blank etc.) */ int (*get_brightness)(struct backlight_device *); - /* Set backlight brightness (0..max_brightness) */ - int (*set_brightness)(struct backlight_device *, int brightness); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ int (*check_fb)(struct fb_info *); + + /* Current User requested brightness (0 - max_brightness) */ + int brightness; + /* Maximal value for brightness (read-only) */ + int max_brightness; + /* Current FB Power mode (0: full on, 1..3: power saving + modes; 4: full off), see FB_BLANK_XXX */ + int power; + /* FB Blanking active? (values as for power) */ + int fb_blank; }; struct backlight_device { diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d10bd30c337..836325ee093 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -275,6 +275,7 @@ extern void d_move(struct dentry *, struct dentry *); /* appendix may either be NULL or be used for transname suffixes */ extern struct dentry * d_lookup(struct dentry *, struct qstr *); extern struct dentry * __d_lookup(struct dentry *, struct qstr *); +extern struct dentry * d_hash_and_lookup(struct dentry *, struct qstr *); /* validate "insecure" dentry pointer */ extern int d_validate(struct dentry *, struct dentry *); diff --git a/include/linux/fadvise.h b/include/linux/fadvise.h index b2913bba35d..e8e747139b9 100644 --- a/include/linux/fadvise.h +++ b/include/linux/fadvise.h @@ -18,10 +18,4 @@ #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ #endif -/* - * Linux-specific fadvise() extensions: - */ -#define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range */ -#define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range */ - #endif /* FADVISE_H_INCLUDED */ diff --git a/include/linux/fb.h b/include/linux/fb.h index d03fadfcafe..315d89740dd 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -839,12 +839,10 @@ struct fb_info { #define FB_LEFT_POS(bpp) (32 - bpp) #define FB_SHIFT_HIGH(val, bits) ((val) >> (bits)) #define FB_SHIFT_LOW(val, bits) ((val) << (bits)) -#define FB_BIT_NR(b) (7 - (b)) #else #define FB_LEFT_POS(bpp) (0) #define FB_SHIFT_HIGH(val, bits) ((val) << (bits)) #define FB_SHIFT_LOW(val, bits) ((val) >> (bits)) -#define FB_BIT_NR(b) (b) #endif /* diff --git a/include/linux/fs.h b/include/linux/fs.h index e5ce62e9676..16be62041bf 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -757,6 +757,13 @@ extern void send_sigio(struct fown_struct *fown, int fd, int band); extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg); extern int fcntl_getlease(struct file *filp); +/* fs/sync.c */ +#define SYNC_FILE_RANGE_WAIT_BEFORE 1 +#define SYNC_FILE_RANGE_WRITE 2 +#define SYNC_FILE_RANGE_WAIT_AFTER 4 +extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte, + int flags); + /* fs/locks.c */ extern void locks_init_lock(struct file_lock *); extern void locks_copy_lock(struct file_lock *, struct file_lock *); @@ -857,7 +864,7 @@ struct super_block { */ struct mutex s_vfs_rename_mutex; /* Kludge */ - /* Granuality of c/m/atime in ns. + /* Granularity of c/m/atime in ns. Cannot be worse than a second */ u32 s_time_gran; }; @@ -1416,6 +1423,7 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *); #endif /* fs/char_dev.c */ +#define CHRDEV_MAJOR_HASH_SIZE 255 extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *); extern int register_chrdev(unsigned int, const char *, @@ -1423,25 +1431,17 @@ extern int register_chrdev(unsigned int, const char *, extern int unregister_chrdev(unsigned int, const char *); extern void unregister_chrdev_region(dev_t, unsigned); extern int chrdev_open(struct inode *, struct file *); -extern int get_chrdev_list(char *); -extern void *acquire_chrdev_list(void); -extern int count_chrdev_list(void); -extern void *get_next_chrdev(void *); -extern int get_chrdev_info(void *, int *, char **); -extern void release_chrdev_list(void *); +extern void chrdev_show(struct seq_file *,off_t); /* fs/block_dev.c */ +#define BLKDEV_MAJOR_HASH_SIZE 255 #define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ extern const char *__bdevname(dev_t, char *buffer); extern const char *bdevname(struct block_device *bdev, char *buffer); extern struct block_device *lookup_bdev(const char *); extern struct block_device *open_bdev_excl(const char *, int, void *); extern void close_bdev_excl(struct block_device *); -extern void *acquire_blkdev_list(void); -extern int count_blkdev_list(void); -extern void *get_next_blkdev(void *); -extern int get_blkdev_info(void *, int *, char **); -extern void release_blkdev_list(void *); +extern void blkdev_show(struct seq_file *,off_t); extern void init_special_inode(struct inode *, umode_t, dev_t); diff --git a/include/linux/gameport.h b/include/linux/gameport.h index 9c8e6da2393..71e7b2847cb 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -11,6 +11,7 @@ #include <asm/io.h> #include <linux/list.h> +#include <linux/mutex.h> #include <linux/device.h> #include <linux/timer.h> @@ -40,7 +41,7 @@ struct gameport { struct gameport *parent, *child; struct gameport_driver *drv; - struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */ + struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */ struct device dev; unsigned int registered; /* port has been fully registered with driver core */ @@ -137,12 +138,12 @@ static inline void gameport_set_drvdata(struct gameport *gameport, void *data) */ static inline int gameport_pin_driver(struct gameport *gameport) { - return down_interruptible(&gameport->drv_sem); + return mutex_lock_interruptible(&gameport->drv_mutex); } static inline void gameport_unpin_driver(struct gameport *gameport) { - up(&gameport->drv_sem); + mutex_unlock(&gameport->drv_mutex); } void __gameport_register_driver(struct gameport_driver *drv, struct module *owner); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 93830158348..306acf1dc6d 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -58,6 +58,19 @@ struct hrtimer { }; /** + * struct hrtimer_sleeper - simple sleeper structure + * + * @timer: embedded timer structure + * @task: task to wake up + * + * task is set to NULL, when the timer expires. + */ +struct hrtimer_sleeper { + struct hrtimer timer; + struct task_struct *task; +}; + +/** * struct hrtimer_base - the timer base for a specific clock * * @index: clock type index for per_cpu support when moving a timer @@ -67,7 +80,7 @@ struct hrtimer { * @first: pointer to the timer node which expires first * @resolution: the resolution of the clock, in nanoseconds * @get_time: function to retrieve the current time of the clock - * @get_sofirq_time: function to retrieve the current time from the softirq + * @get_softirq_time: function to retrieve the current time from the softirq * @curr_timer: the timer which is executing a callback right now * @softirq_time: the time when running the hrtimer queue in the softirq */ @@ -127,6 +140,9 @@ extern long hrtimer_nanosleep(struct timespec *rqtp, const enum hrtimer_mode mode, const clockid_t clockid); +extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, + struct task_struct *tsk); + /* Soft interrupt function to run the hrtimer queues: */ extern void hrtimer_run_queues(void); diff --git a/include/linux/input.h b/include/linux/input.h index 1d4e341b72e..b0e612dda0c 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -421,7 +421,7 @@ struct input_absinfo { #define BTN_GEAR_UP 0x151 #define KEY_OK 0x160 -#define KEY_SELECT 0x161 +#define KEY_SELECT 0x161 #define KEY_GOTO 0x162 #define KEY_CLEAR 0x163 #define KEY_POWER2 0x164 @@ -512,6 +512,15 @@ struct input_absinfo { #define KEY_FN_S 0x1e3 #define KEY_FN_B 0x1e4 +#define KEY_BRL_DOT1 0x1f1 +#define KEY_BRL_DOT2 0x1f2 +#define KEY_BRL_DOT3 0x1f3 +#define KEY_BRL_DOT4 0x1f4 +#define KEY_BRL_DOT5 0x1f5 +#define KEY_BRL_DOT6 0x1f6 +#define KEY_BRL_DOT7 0x1f7 +#define KEY_BRL_DOT8 0x1f8 + /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE #define KEY_MAX 0x1ff @@ -929,7 +938,7 @@ struct input_dev { struct input_handle *grab; - struct semaphore sem; /* serializes open and close operations */ + struct mutex mutex; /* serializes open and close operations */ unsigned int users; struct class_device cdev; @@ -995,11 +1004,6 @@ static inline void init_input_dev(struct input_dev *dev) struct input_dev *input_allocate_device(void); -static inline void input_free_device(struct input_dev *dev) -{ - kfree(dev); -} - static inline struct input_dev *input_get_device(struct input_dev *dev) { return to_input_dev(class_device_get(&dev->cdev)); @@ -1010,6 +1014,11 @@ static inline void input_put_device(struct input_dev *dev) class_device_put(&dev->cdev); } +static inline void input_free_device(struct input_dev *dev) +{ + input_put_device(dev); +} + int input_register_device(struct input_dev *); void input_unregister_device(struct input_dev *); diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index 53571288a9f..6d9c7e4da47 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -82,6 +82,13 @@ struct ipmi_smi_handlers { struct module *owner; + /* The low-level interface cannot start sending messages to + the upper layer until this function is called. This may + not be NULL, the lower layer must take the interface from + this call. */ + int (*start_processing)(void *send_info, + ipmi_smi_t new_intf); + /* Called to enqueue an SMI message to be sent. This operation is not allowed to fail. If an error occurs, it should report back the error in a received message. It may @@ -157,13 +164,16 @@ static inline void ipmi_demangle_device_id(unsigned char *data, } /* Add a low-level interface to the IPMI driver. Note that if the - interface doesn't know its slave address, it should pass in zero. */ + interface doesn't know its slave address, it should pass in zero. + The low-level interface should not deliver any messages to the + upper layer until the start_processing() function in the handlers + is called, and the lower layer must get the interface from that + call. */ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, struct ipmi_device_id *device_id, struct device *dev, - unsigned char slave_addr, - ipmi_smi_t *intf); + unsigned char slave_addr); /* * Remove a low-level interface from the IPMI driver. This will diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h index e87c32a5c86..4eb851ece08 100644 --- a/include/linux/kbd_kern.h +++ b/include/linux/kbd_kern.h @@ -135,6 +135,8 @@ static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) #define U(x) ((x) ^ 0xf000) +#define BRL_UC_ROW 0x2800 + /* keyboard.c */ struct console; diff --git a/include/linux/keyboard.h b/include/linux/keyboard.h index 08488042d74..de76843bbe8 100644 --- a/include/linux/keyboard.h +++ b/include/linux/keyboard.h @@ -44,6 +44,7 @@ extern unsigned short plain_map[NR_KEYS]; #define KT_ASCII 9 #define KT_LOCK 10 #define KT_SLOCK 12 +#define KT_BRL 14 #define K(t,v) (((t)<<8)|(v)) #define KTYP(x) ((x) >> 8) @@ -427,5 +428,17 @@ extern unsigned short plain_map[NR_KEYS]; #define NR_LOCK 8 +#define K_BRL_BLANK K(KT_BRL, 0) +#define K_BRL_DOT1 K(KT_BRL, 1) +#define K_BRL_DOT2 K(KT_BRL, 2) +#define K_BRL_DOT3 K(KT_BRL, 3) +#define K_BRL_DOT4 K(KT_BRL, 4) +#define K_BRL_DOT5 K(KT_BRL, 5) +#define K_BRL_DOT6 K(KT_BRL, 6) +#define K_BRL_DOT7 K(KT_BRL, 7) +#define K_BRL_DOT8 K(KT_BRL, 8) + +#define NR_BRL 9 + #define MAX_DIACR 256 #endif diff --git a/include/linux/leds.h b/include/linux/leds.h new file mode 100644 index 00000000000..4617e75903b --- /dev/null +++ b/include/linux/leds.h @@ -0,0 +1,111 @@ +/* + * Driver model for leds and led triggers + * + * Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu> + * Copyright (C) 2005 Richard Purdie <rpurdie@openedhand.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#ifndef __LINUX_LEDS_H_INCLUDED +#define __LINUX_LEDS_H_INCLUDED + +struct device; +struct class_device; +/* + * LED Core + */ + +enum led_brightness { + LED_OFF = 0, + LED_HALF = 127, + LED_FULL = 255, +}; + +struct led_classdev { + const char *name; + int brightness; + int flags; +#define LED_SUSPENDED (1 << 0) + + /* A function to set the brightness of the led */ + void (*brightness_set)(struct led_classdev *led_cdev, + enum led_brightness brightness); + + struct class_device *class_dev; + /* LED Device linked list */ + struct list_head node; + + /* Trigger data */ + char *default_trigger; +#ifdef CONFIG_LEDS_TRIGGERS + rwlock_t trigger_lock; + /* Protects the trigger data below */ + + struct led_trigger *trigger; + struct list_head trig_list; + void *trigger_data; +#endif +}; + +extern int led_classdev_register(struct device *parent, + struct led_classdev *led_cdev); +extern void led_classdev_unregister(struct led_classdev *led_cdev); +extern void led_classdev_suspend(struct led_classdev *led_cdev); +extern void led_classdev_resume(struct led_classdev *led_cdev); + +/* + * LED Triggers + */ +#ifdef CONFIG_LEDS_TRIGGERS + +#define TRIG_NAME_MAX 50 + +struct led_trigger { + /* Trigger Properties */ + const char *name; + void (*activate)(struct led_classdev *led_cdev); + void (*deactivate)(struct led_classdev *led_cdev); + + /* LEDs under control by this trigger (for simple triggers) */ + rwlock_t leddev_list_lock; + struct list_head led_cdevs; + + /* Link to next registered trigger */ + struct list_head next_trig; +}; + +/* Registration functions for complex triggers */ +extern int led_trigger_register(struct led_trigger *trigger); +extern void led_trigger_unregister(struct led_trigger *trigger); + +/* Registration functions for simple triggers */ +#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; +#define DEFINE_LED_TRIGGER_GLOBAL(x) struct led_trigger *x; +extern void led_trigger_register_simple(const char *name, + struct led_trigger **trigger); +extern void led_trigger_unregister_simple(struct led_trigger *trigger); +extern void led_trigger_event(struct led_trigger *trigger, + enum led_brightness event); + +#else + +/* Triggers aren't active - null macros */ +#define DEFINE_LED_TRIGGER(x) +#define DEFINE_LED_TRIGGER_GLOBAL(x) +#define led_trigger_register_simple(x, y) do {} while(0) +#define led_trigger_unregister_simple(x) do {} while(0) +#define led_trigger_event(x, y) do {} while(0) + +#endif + +/* Trigger specific functions */ +#ifdef CONFIG_LEDS_TRIGGER_IDE_DISK +extern void ledtrig_ide_activity(void); +#else +#define ledtrig_ide_activity() do {} while(0) +#endif + +#endif /* __LINUX_LEDS_H_INCLUDED */ diff --git a/include/linux/libps2.h b/include/linux/libps2.h index a710bddda4e..08a450a9dbf 100644 --- a/include/linux/libps2.h +++ b/include/linux/libps2.h @@ -28,7 +28,7 @@ struct ps2dev { struct serio *serio; /* Ensures that only one command is executing at a time */ - struct semaphore cmd_sem; + struct mutex cmd_mutex; /* Used to signal completion from interrupt handler */ wait_queue_head_t wait; diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 7d09962c3c0..ff0a64073eb 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -12,7 +12,7 @@ extern void migrate_page_copy(struct page *, struct page *); extern int migrate_page_remove_references(struct page *, struct page *, int); extern int migrate_pages(struct list_head *l, struct list_head *t, struct list_head *moved, struct list_head *failed); -int migrate_pages_to(struct list_head *pagelist, +extern int migrate_pages_to(struct list_head *pagelist, struct vm_area_struct *vma, int dest); extern int fail_migrate_page(struct page *, struct page *); @@ -26,6 +26,9 @@ static inline int putback_lru_pages(struct list_head *l) { return 0; } static inline int migrate_pages(struct list_head *l, struct list_head *t, struct list_head *moved, struct list_head *failed) { return -ENOSYS; } +static inline int migrate_pages_to(struct list_head *pagelist, + struct vm_area_struct *vma, int dest) { return 0; } + static inline int migrate_prep(void) { return -ENOSYS; } /* Possible settings for the migrate_page() method in address_operations */ diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index f46afec6fbf..72fc68c5ee9 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -10,7 +10,7 @@ #ifndef __MTD_TRANS_H__ #define __MTD_TRANS_H__ -#include <asm/semaphore.h> +#include <linux/mutex.h> struct hd_geometry; struct mtd_info; @@ -22,7 +22,7 @@ struct mtd_blktrans_dev { struct mtd_blktrans_ops *tr; struct list_head list; struct mtd_info *mtd; - struct semaphore sem; + struct mutex lock; int devnum; int blksize; unsigned long size; diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h index 386a52cf8b1..9addd073bf1 100644 --- a/include/linux/mtd/doc2000.h +++ b/include/linux/mtd/doc2000.h @@ -15,7 +15,7 @@ #define __MTD_DOC2000_H__ #include <linux/mtd/mtd.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #define DoC_Sig1 0 #define DoC_Sig2 1 @@ -187,7 +187,7 @@ struct DiskOnChip { int numchips; struct Nand *chips; struct mtd_info *nextdoc; - struct semaphore lock; + struct mutex lock; }; int doc_decode_ecc(unsigned char sector[512], unsigned char ecc1[6]); diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h index 0268125a627..d7eaa40e5ab 100644 --- a/include/linux/mtd/inftl.h +++ b/include/linux/mtd/inftl.h @@ -52,6 +52,11 @@ struct INFTLrecord { int INFTL_mount(struct INFTLrecord *s); int INFTL_formatblock(struct INFTLrecord *s, int block); +extern char inftlmountrev[]; + +void INFTL_dumptables(struct INFTLrecord *s); +void INFTL_dumpVUchains(struct INFTLrecord *s); + #endif /* __KERNEL__ */ #endif /* __MTD_INFTL_H__ */ diff --git a/include/linux/namei.h b/include/linux/namei.h index e6698013e4d..58cb3d3d44b 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -75,7 +75,6 @@ extern struct file *nameidata_to_filp(struct nameidata *nd, int flags); extern void release_open_intent(struct nameidata *); extern struct dentry * lookup_one_len(const char *, struct dentry *, int); -extern __deprecated_for_modules struct dentry * lookup_hash(struct nameidata *); extern int follow_down(struct vfsmount **, struct dentry **); extern int follow_up(struct vfsmount **, struct dentry **); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 950dc55e519..40ccf8cc423 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -598,20 +598,7 @@ DECLARE_PER_CPU(struct softnet_data,softnet_data); #define HAVE_NETIF_QUEUE -static inline void __netif_schedule(struct net_device *dev) -{ - if (!test_and_set_bit(__LINK_STATE_SCHED, &dev->state)) { - unsigned long flags; - struct softnet_data *sd; - - local_irq_save(flags); - sd = &__get_cpu_var(softnet_data); - dev->next_sched = sd->output_queue; - sd->output_queue = dev; - raise_softirq_irqoff(NET_TX_SOFTIRQ); - local_irq_restore(flags); - } -} +extern void __netif_schedule(struct net_device *dev); static inline void netif_schedule(struct net_device *dev) { @@ -675,13 +662,7 @@ static inline void dev_kfree_skb_irq(struct sk_buff *skb) /* Use this variant in places where it could be invoked * either from interrupt or non-interrupt context. */ -static inline void dev_kfree_skb_any(struct sk_buff *skb) -{ - if (in_irq() || irqs_disabled()) - dev_kfree_skb_irq(skb); - else - dev_kfree_skb(skb); -} +extern void dev_kfree_skb_any(struct sk_buff *skb); #define HAVE_NETIF_RX 1 extern int netif_rx(struct sk_buff *skb); @@ -768,22 +749,9 @@ static inline int netif_device_present(struct net_device *dev) return test_bit(__LINK_STATE_PRESENT, &dev->state); } -static inline void netif_device_detach(struct net_device *dev) -{ - if (test_and_clear_bit(__LINK_STATE_PRESENT, &dev->state) && - netif_running(dev)) { - netif_stop_queue(dev); - } -} +extern void netif_device_detach(struct net_device *dev); -static inline void netif_device_attach(struct net_device *dev) -{ - if (!test_and_set_bit(__LINK_STATE_PRESENT, &dev->state) && - netif_running(dev)) { - netif_wake_queue(dev); - __netdev_watchdog_up(dev); - } -} +extern void netif_device_attach(struct net_device *dev); /* * Network interface message level settings @@ -851,20 +819,7 @@ static inline int netif_rx_schedule_prep(struct net_device *dev) * already been called and returned 1. */ -static inline void __netif_rx_schedule(struct net_device *dev) -{ - unsigned long flags; - - local_irq_save(flags); - dev_hold(dev); - list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list); - if (dev->quota < 0) - dev->quota += dev->weight; - else - dev->quota = dev->weight; - __raise_softirq_irqoff(NET_RX_SOFTIRQ); - local_irq_restore(flags); -} +extern void __netif_rx_schedule(struct net_device *dev); /* Try to reschedule poll. Called by irq handler. */ diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 1350e47b023..f6bdef82a32 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -142,6 +142,12 @@ struct xt_counters_info #define ASSERT_WRITE_LOCK(x) #include <linux/netfilter_ipv4/listhelp.h> +#ifdef CONFIG_COMPAT +#define COMPAT_TO_USER 1 +#define COMPAT_FROM_USER -1 +#define COMPAT_CALC_SIZE 0 +#endif + struct xt_match { struct list_head list; @@ -175,6 +181,9 @@ struct xt_match void (*destroy)(const struct xt_match *match, void *matchinfo, unsigned int matchinfosize); + /* Called when userspace align differs from kernel space one */ + int (*compat)(void *match, void **dstptr, int *size, int convert); + /* Set this to THIS_MODULE if you are a module, otherwise NULL */ struct module *me; @@ -220,6 +229,9 @@ struct xt_target void (*destroy)(const struct xt_target *target, void *targinfo, unsigned int targinfosize); + /* Called when userspace align differs from kernel space one */ + int (*compat)(void *target, void **dstptr, int *size, int convert); + /* Set this to THIS_MODULE if you are a module, otherwise NULL */ struct module *me; @@ -314,6 +326,61 @@ extern void xt_proto_fini(int af); extern struct xt_table_info *xt_alloc_table_info(unsigned int size); extern void xt_free_table_info(struct xt_table_info *info); +#ifdef CONFIG_COMPAT +#include <net/compat.h> + +struct compat_xt_entry_match +{ + union { + struct { + u_int16_t match_size; + char name[XT_FUNCTION_MAXNAMELEN - 1]; + u_int8_t revision; + } user; + u_int16_t match_size; + } u; + unsigned char data[0]; +}; + +struct compat_xt_entry_target +{ + union { + struct { + u_int16_t target_size; + char name[XT_FUNCTION_MAXNAMELEN - 1]; + u_int8_t revision; + } user; + u_int16_t target_size; + } u; + unsigned char data[0]; +}; + +/* FIXME: this works only on 32 bit tasks + * need to change whole approach in order to calculate align as function of + * current task alignment */ + +struct compat_xt_counters +{ + u_int32_t cnt[4]; +}; + +struct compat_xt_counters_info +{ + char name[XT_TABLE_MAXNAMELEN]; + compat_uint_t num_counters; + struct compat_xt_counters counters[0]; +}; + +#define COMPAT_XT_ALIGN(s) (((s) + (__alignof__(struct compat_xt_counters)-1)) \ + & ~(__alignof__(struct compat_xt_counters)-1)) + +extern void xt_compat_lock(int af); +extern void xt_compat_unlock(int af); +extern int xt_compat_match(void *match, void **dstptr, int *size, int convert); +extern int xt_compat_target(void *target, void **dstptr, int *size, + int convert); + +#endif /* CONFIG_COMPAT */ #endif /* __KERNEL__ */ #endif /* _X_TABLES_H */ diff --git a/include/linux/netfilter/xt_esp.h b/include/linux/netfilter/xt_esp.h new file mode 100644 index 00000000000..9380fb1c27d --- /dev/null +++ b/include/linux/netfilter/xt_esp.h @@ -0,0 +1,14 @@ +#ifndef _XT_ESP_H +#define _XT_ESP_H + +struct xt_esp +{ + u_int32_t spis[2]; /* Security Parameter Index */ + u_int8_t invflags; /* Inverse flags */ +}; + +/* Values for "invflags" field in struct xt_esp. */ +#define XT_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ +#define XT_ESP_INV_MASK 0x01 /* All possible flags. */ + +#endif /*_XT_ESP_H*/ diff --git a/include/linux/netfilter/xt_multiport.h b/include/linux/netfilter/xt_multiport.h new file mode 100644 index 00000000000..d49ee418371 --- /dev/null +++ b/include/linux/netfilter/xt_multiport.h @@ -0,0 +1,30 @@ +#ifndef _XT_MULTIPORT_H +#define _XT_MULTIPORT_H + +enum xt_multiport_flags +{ + XT_MULTIPORT_SOURCE, + XT_MULTIPORT_DESTINATION, + XT_MULTIPORT_EITHER +}; + +#define XT_MULTI_PORTS 15 + +/* Must fit inside union xt_matchinfo: 16 bytes */ +struct xt_multiport +{ + u_int8_t flags; /* Type of comparison */ + u_int8_t count; /* Number of ports */ + u_int16_t ports[XT_MULTI_PORTS]; /* Ports */ +}; + +struct xt_multiport_v1 +{ + u_int8_t flags; /* Type of comparison */ + u_int8_t count; /* Number of ports */ + u_int16_t ports[XT_MULTI_PORTS]; /* Ports */ + u_int8_t pflags[XT_MULTI_PORTS]; /* Port flags */ + u_int8_t invert; /* Invert flag */ +}; + +#endif /*_XT_MULTIPORT_H*/ diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h index d5b8c0d6a12..c0dac16e190 100644 --- a/include/linux/netfilter_ipv4/ip_tables.h +++ b/include/linux/netfilter_ipv4/ip_tables.h @@ -316,5 +316,23 @@ extern unsigned int ipt_do_table(struct sk_buff **pskb, void *userdata); #define IPT_ALIGN(s) XT_ALIGN(s) + +#ifdef CONFIG_COMPAT +#include <net/compat.h> + +struct compat_ipt_entry +{ + struct ipt_ip ip; + compat_uint_t nfcache; + u_int16_t target_offset; + u_int16_t next_offset; + compat_uint_t comefrom; + struct compat_xt_counters counters; + unsigned char elems[0]; +}; + +#define COMPAT_IPT_ALIGN(s) COMPAT_XT_ALIGN(s) + +#endif /* CONFIG_COMPAT */ #endif /*__KERNEL__*/ #endif /* _IPTABLES_H */ diff --git a/include/linux/netfilter_ipv4/ipt_esp.h b/include/linux/netfilter_ipv4/ipt_esp.h index c782a83e53e..78296e7eeff 100644 --- a/include/linux/netfilter_ipv4/ipt_esp.h +++ b/include/linux/netfilter_ipv4/ipt_esp.h @@ -1,16 +1,10 @@ #ifndef _IPT_ESP_H #define _IPT_ESP_H -struct ipt_esp -{ - u_int32_t spis[2]; /* Security Parameter Index */ - u_int8_t invflags; /* Inverse flags */ -}; +#include <linux/netfilter/xt_esp.h> - - -/* Values for "invflags" field in struct ipt_esp. */ -#define IPT_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ -#define IPT_ESP_INV_MASK 0x01 /* All possible flags. */ +#define ipt_esp xt_esp +#define IPT_ESP_INV_SPI XT_ESP_INV_SPI +#define IPT_ESP_INV_MASK XT_ESP_INV_MASK #endif /*_IPT_ESP_H*/ diff --git a/include/linux/netfilter_ipv4/ipt_multiport.h b/include/linux/netfilter_ipv4/ipt_multiport.h index e6b6fff811d..55fe85eca88 100644 --- a/include/linux/netfilter_ipv4/ipt_multiport.h +++ b/include/linux/netfilter_ipv4/ipt_multiport.h @@ -1,30 +1,15 @@ #ifndef _IPT_MULTIPORT_H #define _IPT_MULTIPORT_H -#include <linux/netfilter_ipv4/ip_tables.h> -enum ipt_multiport_flags -{ - IPT_MULTIPORT_SOURCE, - IPT_MULTIPORT_DESTINATION, - IPT_MULTIPORT_EITHER -}; +#include <linux/netfilter/xt_multiport.h> -#define IPT_MULTI_PORTS 15 +#define IPT_MULTIPORT_SOURCE XT_MULTIPORT_SOURCE +#define IPT_MULTIPORT_DESTINATION XT_MULTIPORT_DESTINATION +#define IPT_MULTIPORT_EITHER XT_MULTIPORT_EITHER -/* Must fit inside union ipt_matchinfo: 16 bytes */ -struct ipt_multiport -{ - u_int8_t flags; /* Type of comparison */ - u_int8_t count; /* Number of ports */ - u_int16_t ports[IPT_MULTI_PORTS]; /* Ports */ -}; +#define IPT_MULTI_PORTS XT_MULTI_PORTS + +#define ipt_multiport xt_multiport +#define ipt_multiport_v1 xt_multiport_v1 -struct ipt_multiport_v1 -{ - u_int8_t flags; /* Type of comparison */ - u_int8_t count; /* Number of ports */ - u_int16_t ports[IPT_MULTI_PORTS]; /* Ports */ - u_int8_t pflags[IPT_MULTI_PORTS]; /* Port flags */ - u_int8_t invert; /* Invert flag */ -}; #endif /*_IPT_MULTIPORT_H*/ diff --git a/include/linux/netfilter_ipv6/ip6t_esp.h b/include/linux/netfilter_ipv6/ip6t_esp.h index a91b6abc807..f62eaf53c16 100644 --- a/include/linux/netfilter_ipv6/ip6t_esp.h +++ b/include/linux/netfilter_ipv6/ip6t_esp.h @@ -1,14 +1,10 @@ #ifndef _IP6T_ESP_H #define _IP6T_ESP_H -struct ip6t_esp -{ - u_int32_t spis[2]; /* Security Parameter Index */ - u_int8_t invflags; /* Inverse flags */ -}; +#include <linux/netfilter/xt_esp.h> -/* Values for "invflags" field in struct ip6t_esp. */ -#define IP6T_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ -#define IP6T_ESP_INV_MASK 0x01 /* All possible flags. */ +#define ip6t_esp xt_esp +#define IP6T_ESP_INV_SPI XT_ESP_INV_SPI +#define IP6T_ESP_INV_MASK XT_ESP_INV_MASK #endif /*_IP6T_ESP_H*/ diff --git a/include/linux/netfilter_ipv6/ip6t_multiport.h b/include/linux/netfilter_ipv6/ip6t_multiport.h index efe4954a868..042c92661ce 100644 --- a/include/linux/netfilter_ipv6/ip6t_multiport.h +++ b/include/linux/netfilter_ipv6/ip6t_multiport.h @@ -1,21 +1,14 @@ #ifndef _IP6T_MULTIPORT_H #define _IP6T_MULTIPORT_H -#include <linux/netfilter_ipv6/ip6_tables.h> -enum ip6t_multiport_flags -{ - IP6T_MULTIPORT_SOURCE, - IP6T_MULTIPORT_DESTINATION, - IP6T_MULTIPORT_EITHER -}; +#include <linux/netfilter/xt_multiport.h> -#define IP6T_MULTI_PORTS 15 +#define IP6T_MULTIPORT_SOURCE XT_MULTIPORT_SOURCE +#define IP6T_MULTIPORT_DESTINATION XT_MULTIPORT_DESTINATION +#define IP6T_MULTIPORT_EITHER XT_MULTIPORT_EITHER -/* Must fit inside union ip6t_matchinfo: 16 bytes */ -struct ip6t_multiport -{ - u_int8_t flags; /* Type of comparison */ - u_int8_t count; /* Number of ports */ - u_int16_t ports[IP6T_MULTI_PORTS]; /* Ports */ -}; -#endif /*_IPT_MULTIPORT_H*/ +#define IP6T_MULTI_PORTS XT_MULTI_PORTS + +#define ip6t_multiport xt_multiport + +#endif /*_IP6T_MULTIPORT_H*/ diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 839f0b3c23a..9539efd4f7e 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -72,8 +72,8 @@ extern struct page * find_get_page(struct address_space *mapping, unsigned long index); extern struct page * find_lock_page(struct address_space *mapping, unsigned long index); -extern struct page * find_trylock_page(struct address_space *mapping, - unsigned long index); +extern __deprecated_for_modules struct page * find_trylock_page( + struct address_space *mapping, unsigned long index); extern struct page * find_or_create_page(struct address_space *mapping, unsigned long index, gfp_t gfp_mask); unsigned find_get_pages(struct address_space *mapping, pgoff_t start, diff --git a/include/linux/pid.h b/include/linux/pid.h index 5b9082cc600..29960b03bef 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -1,6 +1,8 @@ #ifndef _LINUX_PID_H #define _LINUX_PID_H +#include <linux/rcupdate.h> + enum pid_type { PIDTYPE_PID, @@ -9,45 +11,109 @@ enum pid_type PIDTYPE_MAX }; +/* + * What is struct pid? + * + * A struct pid is the kernel's internal notion of a process identifier. + * It refers to individual tasks, process groups, and sessions. While + * there are processes attached to it the struct pid lives in a hash + * table, so it and then the processes that it refers to can be found + * quickly from the numeric pid value. The attached processes may be + * quickly accessed by following pointers from struct pid. + * + * Storing pid_t values in the kernel and refering to them later has a + * problem. The process originally with that pid may have exited and the + * pid allocator wrapped, and another process could have come along + * and been assigned that pid. + * + * Referring to user space processes by holding a reference to struct + * task_struct has a problem. When the user space process exits + * the now useless task_struct is still kept. A task_struct plus a + * stack consumes around 10K of low kernel memory. More precisely + * this is THREAD_SIZE + sizeof(struct task_struct). By comparison + * a struct pid is about 64 bytes. + * + * Holding a reference to struct pid solves both of these problems. + * It is small so holding a reference does not consume a lot of + * resources, and since a new struct pid is allocated when the numeric + * pid value is reused we don't mistakenly refer to new processes. + */ + struct pid { + atomic_t count; /* Try to keep pid_chain in the same cacheline as nr for find_pid */ int nr; struct hlist_node pid_chain; - /* list of pids with the same nr, only one of them is in the hash */ - struct list_head pid_list; + /* lists of tasks that use this pid */ + struct hlist_head tasks[PIDTYPE_MAX]; + struct rcu_head rcu; }; -#define pid_task(elem, type) \ - list_entry(elem, struct task_struct, pids[type].pid_list) +struct pid_link +{ + struct hlist_node node; + struct pid *pid; +}; + +static inline struct pid *get_pid(struct pid *pid) +{ + if (pid) + atomic_inc(&pid->count); + return pid; +} + +extern void FASTCALL(put_pid(struct pid *pid)); +extern struct task_struct *FASTCALL(pid_task(struct pid *pid, enum pid_type)); +extern struct task_struct *FASTCALL(get_pid_task(struct pid *pid, + enum pid_type)); /* * attach_pid() and detach_pid() must be called with the tasklist_lock * write-held. */ -extern int FASTCALL(attach_pid(struct task_struct *task, enum pid_type type, int nr)); +extern int FASTCALL(attach_pid(struct task_struct *task, + enum pid_type type, int nr)); extern void FASTCALL(detach_pid(struct task_struct *task, enum pid_type)); /* * look up a PID in the hash table. Must be called with the tasklist_lock - * held. + * or rcu_read_lock() held. + */ +extern struct pid *FASTCALL(find_pid(int nr)); + +/* + * Lookup a PID in the hash table, and return with it's count elevated. */ -extern struct pid *FASTCALL(find_pid(enum pid_type, int)); +extern struct pid *find_get_pid(int nr); -extern int alloc_pidmap(void); -extern void FASTCALL(free_pidmap(int)); +extern struct pid *alloc_pid(void); +extern void FASTCALL(free_pid(struct pid *pid)); +#define pid_next(task, type) \ + ((task)->pids[(type)].node.next) + +#define pid_next_task(task, type) \ + hlist_entry(pid_next(task, type), struct task_struct, \ + pids[(type)].node) + + +/* We could use hlist_for_each_entry_rcu here but it takes more arguments + * than the do_each_task_pid/while_each_task_pid. So we roll our own + * to preserve the existing interface. + */ #define do_each_task_pid(who, type, task) \ if ((task = find_task_by_pid_type(type, who))) { \ - prefetch((task)->pids[type].pid_list.next); \ + prefetch(pid_next(task, type)); \ do { #define while_each_task_pid(who, type, task) \ - } while (task = pid_task((task)->pids[type].pid_list.next,\ - type), \ - prefetch((task)->pids[type].pid_list.next), \ - hlist_unhashed(&(task)->pids[type].pid_chain)); \ - } \ + } while (pid_next(task, type) && ({ \ + task = pid_next_task(task, type); \ + rcu_dereference(task); \ + prefetch(pid_next(task, type)); \ + 1; }) ); \ + } #endif /* _LINUX_PID_H */ diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 75c7f55023a..ec384958d50 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -5,11 +5,14 @@ #define PIPE_BUFFERS (16) +#define PIPE_BUF_FLAG_STOLEN 0x01 +#define PIPE_BUF_FLAG_LRU 0x02 + struct pipe_buffer { struct page *page; unsigned int offset, len; struct pipe_buf_operations *ops; - unsigned int stolen; + unsigned int flags; }; struct pipe_buf_operations { @@ -60,5 +63,9 @@ void free_pipe_info(struct inode* inode); * add the splice flags here. */ #define SPLICE_F_MOVE (0x01) /* move pages instead of copying */ +#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */ + /* we may still block on the fd we splice */ + /* from/to, of course */ +#define SPLICE_F_MORE (0x04) /* expect more data */ #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index d04186d8cc6..541f4828f5e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -100,6 +100,7 @@ DECLARE_PER_CPU(unsigned long, process_counts); extern int nr_processes(void); extern unsigned long nr_running(void); extern unsigned long nr_uninterruptible(void); +extern unsigned long nr_active(void); extern unsigned long nr_iowait(void); #include <linux/time.h> @@ -483,6 +484,7 @@ struct signal_struct { #define MAX_PRIO (MAX_RT_PRIO + 40) #define rt_task(p) (unlikely((p)->prio < MAX_RT_PRIO)) +#define batch_task(p) (unlikely((p)->policy == SCHED_BATCH)) /* * Some day this will be a full-fledged user tracking system.. @@ -683,6 +685,13 @@ static inline void prefetch_stack(struct task_struct *t) { } struct audit_context; /* See audit.c */ struct mempolicy; +enum sleep_type { + SLEEP_NORMAL, + SLEEP_NONINTERACTIVE, + SLEEP_INTERACTIVE, + SLEEP_INTERRUPTED, +}; + struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ struct thread_info *thread_info; @@ -705,7 +714,7 @@ struct task_struct { unsigned long sleep_avg; unsigned long long timestamp, last_ran; unsigned long long sched_time; /* sched_clock time spent running */ - int activated; + enum sleep_type sleep_type; unsigned long policy; cpumask_t cpus_allowed; @@ -751,7 +760,7 @@ struct task_struct { struct task_struct *group_leader; /* threadgroup leader */ /* PID/PID hash table linkage. */ - struct pid pids[PIDTYPE_MAX]; + struct pid_link pids[PIDTYPE_MAX]; struct list_head thread_group; struct completion *vfork_done; /* for vfork() */ @@ -890,18 +899,19 @@ static inline pid_t process_group(struct task_struct *tsk) */ static inline int pid_alive(struct task_struct *p) { - return p->pids[PIDTYPE_PID].nr != 0; + return p->pids[PIDTYPE_PID].pid != NULL; } extern void free_task(struct task_struct *tsk); #define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0) extern void __put_task_struct_cb(struct rcu_head *rhp); +extern void __put_task_struct(struct task_struct *t); static inline void put_task_struct(struct task_struct *t) { if (atomic_dec_and_test(&t->usage)) - call_rcu(&t->rcu, __put_task_struct_cb); + __put_task_struct(t); } /* diff --git a/include/linux/serio.h b/include/linux/serio.h index 690aabca8ed..6348e833089 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/list.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/device.h> #include <linux/mod_devicetable.h> @@ -42,7 +43,7 @@ struct serio { struct serio *parent, *child; struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */ - struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */ + struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */ struct device dev; unsigned int registered; /* port has been fully registered with driver core */ @@ -151,17 +152,17 @@ static inline void serio_continue_rx(struct serio *serio) */ static inline int serio_pin_driver(struct serio *serio) { - return down_interruptible(&serio->drv_sem); + return mutex_lock_interruptible(&serio->drv_mutex); } static inline void serio_pin_driver_uninterruptible(struct serio *serio) { - down(&serio->drv_sem); + mutex_lock(&serio->drv_mutex); } static inline void serio_unpin_driver(struct serio *serio) { - up(&serio->drv_sem); + mutex_unlock(&serio->drv_mutex); } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 613b9513f8b..c4619a428d9 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -941,6 +941,25 @@ static inline void skb_reserve(struct sk_buff *skb, int len) #define NET_IP_ALIGN 2 #endif +/* + * The networking layer reserves some headroom in skb data (via + * dev_alloc_skb). This is used to avoid having to reallocate skb data when + * the header has to grow. In the default case, if the header has to grow + * 16 bytes or less we avoid the reallocation. + * + * Unfortunately this headroom changes the DMA alignment of the resulting + * network packet. As for NET_IP_ALIGN, this unaligned DMA is expensive + * on some architectures. An architecture can override this value, + * perhaps setting it to a cacheline in size (since that will maintain + * cacheline alignment of the DMA). It must be a power of 2. + * + * Various parts of the networking layer expect at least 16 bytes of + * headroom, you should not reduce this. + */ +#ifndef NET_SKB_PAD +#define NET_SKB_PAD 16 +#endif + extern int ___pskb_trim(struct sk_buff *skb, unsigned int len, int realloc); static inline void __skb_trim(struct sk_buff *skb, unsigned int len) @@ -1030,9 +1049,9 @@ static inline void __skb_queue_purge(struct sk_buff_head *list) static inline struct sk_buff *__dev_alloc_skb(unsigned int length, gfp_t gfp_mask) { - struct sk_buff *skb = alloc_skb(length + 16, gfp_mask); + struct sk_buff *skb = alloc_skb(length + NET_SKB_PAD, gfp_mask); if (likely(skb)) - skb_reserve(skb, 16); + skb_reserve(skb, NET_SKB_PAD); return skb; } #else @@ -1070,13 +1089,15 @@ static inline struct sk_buff *dev_alloc_skb(unsigned int length) */ static inline int skb_cow(struct sk_buff *skb, unsigned int headroom) { - int delta = (headroom > 16 ? headroom : 16) - skb_headroom(skb); + int delta = (headroom > NET_SKB_PAD ? headroom : NET_SKB_PAD) - + skb_headroom(skb); if (delta < 0) delta = 0; if (delta || skb_cloned(skb)) - return pskb_expand_head(skb, (delta + 15) & ~15, 0, GFP_ATOMIC); + return pskb_expand_head(skb, (delta + (NET_SKB_PAD-1)) & + ~(NET_SKB_PAD-1), 0, GFP_ATOMIC); return 0; } diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index e78ffc7d5b5..5717147596b 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -571,5 +571,7 @@ asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, asmlinkage long sys_unshare(unsigned long unshare_flags); asmlinkage long sys_splice(int fdin, int fdout, size_t len, unsigned int flags); +asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, + int flags); #endif diff --git a/include/linux/timer.h b/include/linux/timer.h index b5caabca553..0a485beba9f 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -6,7 +6,7 @@ #include <linux/spinlock.h> #include <linux/stddef.h> -struct timer_base_s; +struct tvec_t_base_s; struct timer_list { struct list_head entry; @@ -15,16 +15,16 @@ struct timer_list { void (*function)(unsigned long); unsigned long data; - struct timer_base_s *base; + struct tvec_t_base_s *base; }; -extern struct timer_base_s __init_timer_base; +extern struct tvec_t_base_s boot_tvec_bases; #define TIMER_INITIALIZER(_function, _expires, _data) { \ .function = (_function), \ .expires = (_expires), \ .data = (_data), \ - .base = &__init_timer_base, \ + .base = &boot_tvec_bases, \ } #define DEFINE_TIMER(_name, _function, _expires, _data) \ diff --git a/include/linux/tiocl.h b/include/linux/tiocl.h index 2c9e847f6ed..4756862c4ed 100644 --- a/include/linux/tiocl.h +++ b/include/linux/tiocl.h @@ -34,5 +34,6 @@ struct tiocl_selection { #define TIOCL_SCROLLCONSOLE 13 /* scroll console */ #define TIOCL_BLANKSCREEN 14 /* keep screen blank even if a key is pressed */ #define TIOCL_BLANKEDSCREEN 15 /* return which vt was blanked */ +#define TIOCL_GETKMSGREDIRECT 17 /* get the vt the kernel messages are restricted to */ #endif /* _LINUX_TIOCL_H */ diff --git a/include/linux/uinput.h b/include/linux/uinput.h index 0ff7ca68e5c..7168302f984 100644 --- a/include/linux/uinput.h +++ b/include/linux/uinput.h @@ -20,7 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org> - * + * * Changes/Revisions: * 0.2 16/10/2004 (Micah Dowty <micah@navi.cx>) * - added force feedback support @@ -51,7 +51,7 @@ struct uinput_request { struct uinput_device { struct input_dev *dev; - struct semaphore sem; + struct mutex mutex; enum uinput_state state; wait_queue_head_t waitq; unsigned char ready; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index af2d6155d3f..d7670ec1ec1 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -966,66 +966,17 @@ struct v4l2_sliced_vbi_format /* Teletext World System Teletext (WST), defined on ITU-R BT.653-2 */ -#define V4L2_SLICED_TELETEXT_PAL_B (0x000001) -#define V4L2_SLICED_TELETEXT_PAL_C (0x000002) -#define V4L2_SLICED_TELETEXT_NTSC_B (0x000010) -#define V4L2_SLICED_TELETEXT_SECAM (0x000020) - -/* Teletext North American Broadcast Teletext Specification - (NABTS), defined on ITU-R BT.653-2 */ -#define V4L2_SLICED_TELETEXT_NTSC_C (0x000040) -#define V4L2_SLICED_TELETEXT_NTSC_D (0x000080) - +#define V4L2_SLICED_TELETEXT_B (0x0001) /* Video Program System, defined on ETS 300 231*/ -#define V4L2_SLICED_VPS (0x000400) - +#define V4L2_SLICED_VPS (0x0400) /* Closed Caption, defined on EIA-608 */ -#define V4L2_SLICED_CAPTION_525 (0x001000) -#define V4L2_SLICED_CAPTION_625 (0x002000) - +#define V4L2_SLICED_CAPTION_525 (0x1000) /* Wide Screen System, defined on ITU-R BT1119.1 */ -#define V4L2_SLICED_WSS_625 (0x004000) - -/* Wide Screen System, defined on IEC 61880 */ -#define V4L2_SLICED_WSS_525 (0x008000) - -/* Vertical Interval Timecode (VITC), defined on SMPTE 12M */ -#define V4l2_SLICED_VITC_625 (0x010000) -#define V4l2_SLICED_VITC_525 (0x020000) - -#define V4L2_SLICED_TELETEXT_B (V4L2_SLICED_TELETEXT_PAL_B |\ - V4L2_SLICED_TELETEXT_NTSC_B) - -#define V4L2_SLICED_TELETEXT (V4L2_SLICED_TELETEXT_PAL_B |\ - V4L2_SLICED_TELETEXT_PAL_C |\ - V4L2_SLICED_TELETEXT_SECAM |\ - V4L2_SLICED_TELETEXT_NTSC_B |\ - V4L2_SLICED_TELETEXT_NTSC_C |\ - V4L2_SLICED_TELETEXT_NTSC_D) - -#define V4L2_SLICED_CAPTION (V4L2_SLICED_CAPTION_525 |\ - V4L2_SLICED_CAPTION_625) - -#define V4L2_SLICED_WSS (V4L2_SLICED_WSS_525 |\ - V4L2_SLICED_WSS_625) - -#define V4L2_SLICED_VITC (V4L2_SLICED_VITC_525 |\ - V4L2_SLICED_VITC_625) - -#define V4L2_SLICED_VBI_525 (V4L2_SLICED_TELETEXT_NTSC_B |\ - V4L2_SLICED_TELETEXT_NTSC_C |\ - V4L2_SLICED_TELETEXT_NTSC_D |\ - V4L2_SLICED_CAPTION_525 |\ - V4L2_SLICED_WSS_525 |\ - V4l2_SLICED_VITC_525) - -#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_PAL_B |\ - V4L2_SLICED_TELETEXT_PAL_C |\ - V4L2_SLICED_TELETEXT_SECAM |\ - V4L2_SLICED_VPS |\ - V4L2_SLICED_CAPTION_625 |\ - V4L2_SLICED_WSS_625 |\ - V4l2_SLICED_VITC_625) +#define V4L2_SLICED_WSS_625 (0x4000) + +#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) +#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) + struct v4l2_sliced_vbi_cap { |