diff options
Diffstat (limited to 'include/linux')
42 files changed, 1156 insertions, 782 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index e3c16c981e4..63f2e6ed698 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -40,6 +40,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_numa.h> #include <asm/acpi.h> +#include <linux/dmi.h> #ifdef CONFIG_ACPI @@ -192,7 +193,9 @@ extern int ec_transaction(u8 command, #endif /*CONFIG_ACPI_EC*/ extern int acpi_blacklisted(void); -extern void acpi_bios_year(char *s); +#ifdef CONFIG_DMI +extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); +#endif #ifdef CONFIG_ACPI_NUMA int acpi_get_pxm(acpi_handle handle); @@ -226,5 +229,5 @@ static inline int acpi_boot_table_init(void) return 0; } -#endif /* CONFIG_ACPI */ +#endif /* !CONFIG_ACPI */ #endif /*_LINUX_ACPI_H*/ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d18ee67b40f..40ee1706caa 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -144,7 +144,6 @@ enum rq_cmd_type_bits { * private REQ_LB opcodes to differentiate what type of request this is */ REQ_TYPE_ATA_CMD, - REQ_TYPE_ATA_TASK, REQ_TYPE_ATA_TASKFILE, REQ_TYPE_ATA_PC, }; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 92f2029a34f..0be8d65bc3c 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -71,18 +71,27 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb) int cpu_up(unsigned int cpu); +extern void cpu_hotplug_init(void); + #else static inline int register_cpu_notifier(struct notifier_block *nb) { return 0; } + static inline void unregister_cpu_notifier(struct notifier_block *nb) { } +static inline void cpu_hotplug_init(void) +{ +} + #endif /* CONFIG_SMP */ extern struct sysdev_class cpu_sysdev_class; +extern void cpu_maps_update_begin(void); +extern void cpu_maps_update_done(void); #ifdef CONFIG_HOTPLUG_CPU /* Stop CPUs going up and down. */ @@ -97,8 +106,8 @@ static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex) mutex_unlock(cpu_hp_mutex); } -extern void lock_cpu_hotplug(void); -extern void unlock_cpu_hotplug(void); +extern void get_online_cpus(void); +extern void put_online_cpus(void); #define hotcpu_notifier(fn, pri) { \ static struct notifier_block fn##_nb = \ { .notifier_call = fn, .priority = pri }; \ @@ -115,8 +124,8 @@ static inline void cpuhotplug_mutex_lock(struct mutex *cpu_hp_mutex) static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex) { } -#define lock_cpu_hotplug() do { } while (0) -#define unlock_cpu_hotplug() do { } while (0) +#define get_online_cpus() do { } while (0) +#define put_online_cpus() do { } while (0) #define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) /* These aren't inline functions due to a GCC bug. */ #define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) diff --git a/include/linux/crypto.h b/include/linux/crypto.h index f3110ebe894..5e02d1b4637 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -33,10 +33,13 @@ #define CRYPTO_ALG_TYPE_DIGEST 0x00000002 #define CRYPTO_ALG_TYPE_HASH 0x00000003 #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 -#define CRYPTO_ALG_TYPE_COMPRESS 0x00000005 -#define CRYPTO_ALG_TYPE_AEAD 0x00000006 +#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 +#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 +#define CRYPTO_ALG_TYPE_COMPRESS 0x00000008 +#define CRYPTO_ALG_TYPE_AEAD 0x00000009 #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e +#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c #define CRYPTO_ALG_LARVAL 0x00000010 #define CRYPTO_ALG_DEAD 0x00000020 @@ -50,6 +53,12 @@ #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 /* + * This bit is set for symmetric key ciphers that have already been wrapped + * with a generic IV generator to prevent them from being wrapped again. + */ +#define CRYPTO_ALG_GENIV 0x00000200 + +/* * Transform masks and values (for crt_flags). */ #define CRYPTO_TFM_REQ_MASK 0x000fff00 @@ -81,13 +90,11 @@ #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN #elif defined(ARCH_SLAB_MINALIGN) #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN +#else +#define CRYPTO_MINALIGN __alignof__(unsigned long long) #endif -#ifdef CRYPTO_MINALIGN #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) -#else -#define CRYPTO_MINALIGN_ATTR -#endif struct scatterlist; struct crypto_ablkcipher; @@ -97,6 +104,8 @@ struct crypto_blkcipher; struct crypto_hash; struct crypto_tfm; struct crypto_type; +struct aead_givcrypt_request; +struct skcipher_givcrypt_request; typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); @@ -176,6 +185,10 @@ struct ablkcipher_alg { unsigned int keylen); int (*encrypt)(struct ablkcipher_request *req); int (*decrypt)(struct ablkcipher_request *req); + int (*givencrypt)(struct skcipher_givcrypt_request *req); + int (*givdecrypt)(struct skcipher_givcrypt_request *req); + + const char *geniv; unsigned int min_keysize; unsigned int max_keysize; @@ -185,11 +198,16 @@ struct ablkcipher_alg { struct aead_alg { int (*setkey)(struct crypto_aead *tfm, const u8 *key, unsigned int keylen); + int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize); int (*encrypt)(struct aead_request *req); int (*decrypt)(struct aead_request *req); + int (*givencrypt)(struct aead_givcrypt_request *req); + int (*givdecrypt)(struct aead_givcrypt_request *req); + + const char *geniv; unsigned int ivsize; - unsigned int authsize; + unsigned int maxauthsize; }; struct blkcipher_alg { @@ -202,6 +220,8 @@ struct blkcipher_alg { struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes); + const char *geniv; + unsigned int min_keysize; unsigned int max_keysize; unsigned int ivsize; @@ -317,6 +337,11 @@ struct ablkcipher_tfm { unsigned int keylen); int (*encrypt)(struct ablkcipher_request *req); int (*decrypt)(struct ablkcipher_request *req); + int (*givencrypt)(struct skcipher_givcrypt_request *req); + int (*givdecrypt)(struct skcipher_givcrypt_request *req); + + struct crypto_ablkcipher *base; + unsigned int ivsize; unsigned int reqsize; }; @@ -326,6 +351,11 @@ struct aead_tfm { unsigned int keylen); int (*encrypt)(struct aead_request *req); int (*decrypt)(struct aead_request *req); + int (*givencrypt)(struct aead_givcrypt_request *req); + int (*givdecrypt)(struct aead_givcrypt_request *req); + + struct crypto_aead *base; + unsigned int ivsize; unsigned int authsize; unsigned int reqsize; @@ -525,17 +555,23 @@ static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( return (struct crypto_ablkcipher *)tfm; } -static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher( - const char *alg_name, u32 type, u32 mask) +static inline u32 crypto_skcipher_type(u32 type) { - type &= ~CRYPTO_ALG_TYPE_MASK; + type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; + return type; +} - return __crypto_ablkcipher_cast( - crypto_alloc_base(alg_name, type, mask)); +static inline u32 crypto_skcipher_mask(u32 mask) +{ + mask &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV); + mask |= CRYPTO_ALG_TYPE_BLKCIPHER_MASK; + return mask; } +struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name, + u32 type, u32 mask); + static inline struct crypto_tfm *crypto_ablkcipher_tfm( struct crypto_ablkcipher *tfm) { @@ -550,11 +586,8 @@ static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, u32 mask) { - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return crypto_has_alg(alg_name, type, mask); + return crypto_has_alg(alg_name, crypto_skcipher_type(type), + crypto_skcipher_mask(mask)); } static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( @@ -601,7 +634,9 @@ static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) { - return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); + struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm); + + return crt->setkey(crt->base, key, keylen); } static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( @@ -633,7 +668,7 @@ static inline unsigned int crypto_ablkcipher_reqsize( static inline void ablkcipher_request_set_tfm( struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) { - req->base.tfm = crypto_ablkcipher_tfm(tfm); + req->base.tfm = crypto_ablkcipher_tfm(crypto_ablkcipher_crt(tfm)->base); } static inline struct ablkcipher_request *ablkcipher_request_cast( @@ -686,15 +721,7 @@ static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) return (struct crypto_aead *)tfm; } -static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_AEAD; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); -} +struct crypto_aead *crypto_alloc_aead(const char *alg_name, u32 type, u32 mask); static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) { @@ -749,9 +776,13 @@ static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { - return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); + struct aead_tfm *crt = crypto_aead_crt(tfm); + + return crt->setkey(crt->base, key, keylen); } +int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize); + static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) { return __crypto_aead_cast(req->base.tfm); @@ -775,7 +806,7 @@ static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) static inline void aead_request_set_tfm(struct aead_request *req, struct crypto_aead *tfm) { - req->base.tfm = crypto_aead_tfm(tfm); + req->base.tfm = crypto_aead_tfm(crypto_aead_crt(tfm)->base); } static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, @@ -841,9 +872,9 @@ static inline struct crypto_blkcipher *crypto_blkcipher_cast( static inline struct crypto_blkcipher *crypto_alloc_blkcipher( const char *alg_name, u32 type, u32 mask) { - type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); + type &= ~CRYPTO_ALG_TYPE_MASK; type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; + mask |= CRYPTO_ALG_TYPE_MASK; return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); } @@ -861,9 +892,9 @@ static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) { - type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); + type &= ~CRYPTO_ALG_TYPE_MASK; type |= CRYPTO_ALG_TYPE_BLKCIPHER; - mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; + mask |= CRYPTO_ALG_TYPE_MASK; return crypto_has_alg(alg_name, type, mask); } @@ -1081,6 +1112,7 @@ static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, u32 type, u32 mask) { type &= ~CRYPTO_ALG_TYPE_MASK; + mask &= ~CRYPTO_ALG_TYPE_MASK; type |= CRYPTO_ALG_TYPE_HASH; mask |= CRYPTO_ALG_TYPE_HASH_MASK; @@ -1100,6 +1132,7 @@ static inline void crypto_free_hash(struct crypto_hash *tfm) static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) { type &= ~CRYPTO_ALG_TYPE_MASK; + mask &= ~CRYPTO_ALG_TYPE_MASK; type |= CRYPTO_ALG_TYPE_HASH; mask |= CRYPTO_ALG_TYPE_HASH_MASK; diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h index 1678a5de701..f4a5871767f 100644 --- a/include/linux/debug_locks.h +++ b/include/linux/debug_locks.h @@ -47,6 +47,7 @@ struct task_struct; #ifdef CONFIG_LOCKDEP extern void debug_show_all_locks(void); +extern void __debug_show_held_locks(struct task_struct *task); extern void debug_show_held_locks(struct task_struct *task); extern void debug_check_no_locks_freed(const void *from, unsigned long len); extern void debug_check_no_locks_held(struct task_struct *task); @@ -55,6 +56,10 @@ static inline void debug_show_all_locks(void) { } +static inline void __debug_show_held_locks(struct task_struct *task) +{ +} + static inline void debug_show_held_locks(struct task_struct *task) { } diff --git a/include/linux/device.h b/include/linux/device.h index 2e15822fe40..1880208964d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -25,75 +25,69 @@ #include <asm/device.h> #define DEVICE_NAME_SIZE 50 -#define DEVICE_NAME_HALF __stringify(20) /* Less than half to accommodate slop */ +/* DEVICE_NAME_HALF is really less than half to accommodate slop */ +#define DEVICE_NAME_HALF __stringify(20) #define DEVICE_ID_SIZE 32 #define BUS_ID_SIZE KOBJ_NAME_LEN struct device; struct device_driver; +struct driver_private; struct class; struct class_device; struct bus_type; +struct bus_type_private; struct bus_attribute { struct attribute attr; - ssize_t (*show)(struct bus_type *, char * buf); - ssize_t (*store)(struct bus_type *, const char * buf, size_t count); + ssize_t (*show)(struct bus_type *bus, char *buf); + ssize_t (*store)(struct bus_type *bus, const char *buf, size_t count); }; -#define BUS_ATTR(_name,_mode,_show,_store) \ -struct bus_attribute bus_attr_##_name = __ATTR(_name,_mode,_show,_store) +#define BUS_ATTR(_name, _mode, _show, _store) \ +struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store) extern int __must_check bus_create_file(struct bus_type *, struct bus_attribute *); extern void bus_remove_file(struct bus_type *, struct bus_attribute *); struct bus_type { - const char * name; - struct module * owner; + const char *name; + struct bus_attribute *bus_attrs; + struct device_attribute *dev_attrs; + struct driver_attribute *drv_attrs; - struct kset subsys; - struct kset drivers; - struct kset devices; - struct klist klist_devices; - struct klist klist_drivers; - - struct blocking_notifier_head bus_notifier; - - struct bus_attribute * bus_attrs; - struct device_attribute * dev_attrs; - struct driver_attribute * drv_attrs; - - int (*match)(struct device * dev, struct device_driver * drv); - int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - int (*probe)(struct device * dev); - int (*remove)(struct device * dev); - void (*shutdown)(struct device * dev); + int (*match)(struct device *dev, struct device_driver *drv); + int (*uevent)(struct device *dev, struct kobj_uevent_env *env); + int (*probe)(struct device *dev); + int (*remove)(struct device *dev); + void (*shutdown)(struct device *dev); - int (*suspend)(struct device * dev, pm_message_t state); - int (*suspend_late)(struct device * dev, pm_message_t state); - int (*resume_early)(struct device * dev); - int (*resume)(struct device * dev); + int (*suspend)(struct device *dev, pm_message_t state); + int (*suspend_late)(struct device *dev, pm_message_t state); + int (*resume_early)(struct device *dev); + int (*resume)(struct device *dev); - unsigned int drivers_autoprobe:1; + struct bus_type_private *p; }; -extern int __must_check bus_register(struct bus_type * bus); -extern void bus_unregister(struct bus_type * bus); +extern int __must_check bus_register(struct bus_type *bus); +extern void bus_unregister(struct bus_type *bus); -extern int __must_check bus_rescan_devices(struct bus_type * bus); +extern int __must_check bus_rescan_devices(struct bus_type *bus); /* iterator helpers for buses */ -int bus_for_each_dev(struct bus_type * bus, struct device * start, void * data, - int (*fn)(struct device *, void *)); -struct device * bus_find_device(struct bus_type *bus, struct device *start, - void *data, int (*match)(struct device *, void *)); +int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, + int (*fn)(struct device *dev, void *data)); +struct device *bus_find_device(struct bus_type *bus, struct device *start, + void *data, + int (*match)(struct device *dev, void *data)); int __must_check bus_for_each_drv(struct bus_type *bus, - struct device_driver *start, void *data, - int (*fn)(struct device_driver *, void *)); + struct device_driver *start, void *data, + int (*fn)(struct device_driver *, void *)); /* * Bus notifiers: Get notified of addition/removal of devices @@ -118,111 +112,128 @@ extern int bus_unregister_notifier(struct bus_type *bus, #define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be unbound */ +extern struct kset *bus_get_kset(struct bus_type *bus); +extern struct klist *bus_get_device_klist(struct bus_type *bus); + struct device_driver { - const char * name; - struct bus_type * bus; + const char *name; + struct bus_type *bus; - struct kobject kobj; - struct klist klist_devices; - struct klist_node knode_bus; + struct module *owner; + const char *mod_name; /* used for built-in modules */ - struct module * owner; - const char * mod_name; /* used for built-in modules */ - struct module_kobject * mkobj; + int (*probe) (struct device *dev); + int (*remove) (struct device *dev); + void (*shutdown) (struct device *dev); + int (*suspend) (struct device *dev, pm_message_t state); + int (*resume) (struct device *dev); + struct attribute_group **groups; - int (*probe) (struct device * dev); - int (*remove) (struct device * dev); - void (*shutdown) (struct device * dev); - int (*suspend) (struct device * dev, pm_message_t state); - int (*resume) (struct device * dev); + struct driver_private *p; }; -extern int __must_check driver_register(struct device_driver * drv); -extern void driver_unregister(struct device_driver * drv); +extern int __must_check driver_register(struct device_driver *drv); +extern void driver_unregister(struct device_driver *drv); -extern struct device_driver * get_driver(struct device_driver * drv); -extern void put_driver(struct device_driver * drv); -extern struct device_driver *driver_find(const char *name, struct bus_type *bus); +extern struct device_driver *get_driver(struct device_driver *drv); +extern void put_driver(struct device_driver *drv); +extern struct device_driver *driver_find(const char *name, + struct bus_type *bus); extern int driver_probe_done(void); /* sysfs interface for exporting driver attributes */ struct driver_attribute { - struct attribute attr; - ssize_t (*show)(struct device_driver *, char * buf); - ssize_t (*store)(struct device_driver *, const char * buf, size_t count); + struct attribute attr; + ssize_t (*show)(struct device_driver *driver, char *buf); + ssize_t (*store)(struct device_driver *driver, const char *buf, + size_t count); }; -#define DRIVER_ATTR(_name,_mode,_show,_store) \ -struct driver_attribute driver_attr_##_name = __ATTR(_name,_mode,_show,_store) +#define DRIVER_ATTR(_name, _mode, _show, _store) \ +struct driver_attribute driver_attr_##_name = \ + __ATTR(_name, _mode, _show, _store) -extern int __must_check driver_create_file(struct device_driver *, - struct driver_attribute *); -extern void driver_remove_file(struct device_driver *, struct driver_attribute *); +extern int __must_check driver_create_file(struct device_driver *driver, + struct driver_attribute *attr); +extern void driver_remove_file(struct device_driver *driver, + struct driver_attribute *attr); -extern int __must_check driver_for_each_device(struct device_driver * drv, - struct device *start, void *data, - int (*fn)(struct device *, void *)); -struct device * driver_find_device(struct device_driver *drv, - struct device *start, void *data, - int (*match)(struct device *, void *)); +extern int __must_check driver_add_kobj(struct device_driver *drv, + struct kobject *kobj, + const char *fmt, ...); + +extern int __must_check driver_for_each_device(struct device_driver *drv, + struct device *start, + void *data, + int (*fn)(struct device *dev, + void *)); +struct device *driver_find_device(struct device_driver *drv, + struct device *start, void *data, + int (*match)(struct device *dev, void *data)); /* * device classes */ struct class { - const char * name; - struct module * owner; + const char *name; + struct module *owner; struct kset subsys; struct list_head children; struct list_head devices; struct list_head interfaces; struct kset class_dirs; - struct semaphore sem; /* locks both the children and interfaces lists */ - - struct class_attribute * class_attrs; - struct class_device_attribute * class_dev_attrs; - struct device_attribute * dev_attrs; + struct semaphore sem; /* locks children, devices, interfaces */ + struct class_attribute *class_attrs; + struct class_device_attribute *class_dev_attrs; + struct device_attribute *dev_attrs; - int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); - int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); + int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); + int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); - void (*release)(struct class_device *dev); - void (*class_release)(struct class *class); - void (*dev_release)(struct device *dev); + void (*release)(struct class_device *dev); + void (*class_release)(struct class *class); + void (*dev_release)(struct device *dev); - int (*suspend)(struct device *, pm_message_t state); - int (*resume)(struct device *); + int (*suspend)(struct device *dev, pm_message_t state); + int (*resume)(struct device *dev); }; -extern int __must_check class_register(struct class *); -extern void class_unregister(struct class *); +extern int __must_check class_register(struct class *class); +extern void class_unregister(struct class *class); +extern int class_for_each_device(struct class *class, void *data, + int (*fn)(struct device *dev, void *data)); +extern struct device *class_find_device(struct class *class, void *data, + int (*match)(struct device *, void *)); +extern struct class_device *class_find_child(struct class *class, void *data, + int (*match)(struct class_device *, void *)); struct class_attribute { - struct attribute attr; - ssize_t (*show)(struct class *, char * buf); - ssize_t (*store)(struct class *, const char * buf, size_t count); + struct attribute attr; + ssize_t (*show)(struct class *class, char *buf); + ssize_t (*store)(struct class *class, const char *buf, size_t count); }; -#define CLASS_ATTR(_name,_mode,_show,_store) \ -struct class_attribute class_attr_##_name = __ATTR(_name,_mode,_show,_store) +#define CLASS_ATTR(_name, _mode, _show, _store) \ +struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store) -extern int __must_check class_create_file(struct class *, - const struct class_attribute *); -extern void class_remove_file(struct class *, const struct class_attribute *); +extern int __must_check class_create_file(struct class *class, + const struct class_attribute *attr); +extern void class_remove_file(struct class *class, + const struct class_attribute *attr); struct class_device_attribute { - struct attribute attr; - ssize_t (*show)(struct class_device *, char * buf); - ssize_t (*store)(struct class_device *, const char * buf, size_t count); + struct attribute attr; + ssize_t (*show)(struct class_device *, char *buf); + ssize_t (*store)(struct class_device *, const char *buf, size_t count); }; -#define CLASS_DEVICE_ATTR(_name,_mode,_show,_store) \ +#define CLASS_DEVICE_ATTR(_name, _mode, _show, _store) \ struct class_device_attribute class_device_attr_##_name = \ - __ATTR(_name,_mode,_show,_store) + __ATTR(_name, _mode, _show, _store) extern int __must_check class_device_create_file(struct class_device *, const struct class_device_attribute *); @@ -255,26 +266,24 @@ struct class_device { struct list_head node; struct kobject kobj; - struct class * class; /* required */ - dev_t devt; /* dev_t, creates the sysfs "dev" */ - struct device * dev; /* not necessary, but nice to have */ - void * class_data; /* class-specific data */ - struct class_device *parent; /* parent of this child device, if there is one */ - struct attribute_group ** groups; /* optional groups */ - - void (*release)(struct class_device *dev); - int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); - char class_id[BUS_ID_SIZE]; /* unique to this class */ + struct class *class; + dev_t devt; + struct device *dev; + void *class_data; + struct class_device *parent; + struct attribute_group **groups; + + void (*release)(struct class_device *dev); + int (*uevent)(struct class_device *dev, struct kobj_uevent_env *env); + char class_id[BUS_ID_SIZE]; }; -static inline void * -class_get_devdata (struct class_device *dev) +static inline void *class_get_devdata(struct class_device *dev) { return dev->class_data; } -static inline void -class_set_devdata (struct class_device *dev, void *data) +static inline void class_set_devdata(struct class_device *dev, void *data) { dev->class_data = data; } @@ -286,10 +295,10 @@ extern void class_device_initialize(struct class_device *); extern int __must_check class_device_add(struct class_device *); extern void class_device_del(struct class_device *); -extern struct class_device * class_device_get(struct class_device *); +extern struct class_device *class_device_get(struct class_device *); extern void class_device_put(struct class_device *); -extern void class_device_remove_file(struct class_device *, +extern void class_device_remove_file(struct class_device *, const struct class_device_attribute *); extern int __must_check class_device_create_bin_file(struct class_device *, struct bin_attribute *); @@ -316,7 +325,7 @@ extern struct class_device *class_device_create(struct class *cls, dev_t devt, struct device *device, const char *fmt, ...) - __attribute__((format(printf,5,6))); + __attribute__((format(printf, 5, 6))); extern void class_device_destroy(struct class *cls, dev_t devt); /* @@ -333,8 +342,8 @@ struct device_type { struct attribute_group **groups; int (*uevent)(struct device *dev, struct kobj_uevent_env *env); void (*release)(struct device *dev); - int (*suspend)(struct device * dev, pm_message_t state); - int (*resume)(struct device * dev); + int (*suspend)(struct device *dev, pm_message_t state); + int (*resume)(struct device *dev); }; /* interface for exporting device attributes */ @@ -346,18 +355,19 @@ struct device_attribute { const char *buf, size_t count); }; -#define DEVICE_ATTR(_name,_mode,_show,_store) \ -struct device_attribute dev_attr_##_name = __ATTR(_name,_mode,_show,_store) +#define DEVICE_ATTR(_name, _mode, _show, _store) \ +struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store) extern int __must_check device_create_file(struct device *device, - struct device_attribute * entry); -extern void device_remove_file(struct device * dev, struct device_attribute * attr); + struct device_attribute *entry); +extern void device_remove_file(struct device *dev, + struct device_attribute *attr); extern int __must_check device_create_bin_file(struct device *dev, struct bin_attribute *attr); extern void device_remove_bin_file(struct device *dev, struct bin_attribute *attr); extern int device_schedule_callback_owner(struct device *dev, - void (*func)(struct device *), struct module *owner); + void (*func)(struct device *dev), struct module *owner); /* This is a macro to avoid include problems with THIS_MODULE */ #define device_schedule_callback(dev, func) \ @@ -368,21 +378,21 @@ typedef void (*dr_release_t)(struct device *dev, void *res); typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); #ifdef CONFIG_DEBUG_DEVRES -extern void * __devres_alloc(dr_release_t release, size_t size, gfp_t gfp, +extern void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp, const char *name); #define devres_alloc(release, size, gfp) \ __devres_alloc(release, size, gfp, #release) #else -extern void * devres_alloc(dr_release_t release, size_t size, gfp_t gfp); +extern void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp); #endif extern void devres_free(void *res); extern void devres_add(struct device *dev, void *res); -extern void * devres_find(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); -extern void * devres_get(struct device *dev, void *new_res, +extern void *devres_find(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); -extern void * devres_remove(struct device *dev, dr_release_t release, - dr_match_t match, void *match_data); +extern void *devres_get(struct device *dev, void *new_res, + dr_match_t match, void *match_data); +extern void *devres_remove(struct device *dev, dr_release_t release, + dr_match_t match, void *match_data); extern int devres_destroy(struct device *dev, dr_release_t release, dr_match_t match, void *match_data); @@ -399,7 +409,7 @@ extern void devm_kfree(struct device *dev, void *p); struct device { struct klist klist_children; - struct klist_node knode_parent; /* node in sibling list */ + struct klist_node knode_parent; /* node in sibling list */ struct klist_node knode_driver; struct klist_node knode_bus; struct device *parent; @@ -414,7 +424,7 @@ struct device { * its driver. */ - struct bus_type * bus; /* type of bus device is on */ + struct bus_type *bus; /* type of bus device is on */ struct device_driver *driver; /* which driver has allocated this device */ void *driver_data; /* data private to the driver */ @@ -445,10 +455,10 @@ struct device { /* class_device migration path */ struct list_head node; struct class *class; - dev_t devt; /* dev_t, creates the sysfs "dev" */ + dev_t devt; /* dev_t, creates the sysfs "dev" */ struct attribute_group **groups; /* optional groups */ - void (*release)(struct device * dev); + void (*release)(struct device *dev); }; #ifdef CONFIG_NUMA @@ -470,14 +480,12 @@ static inline void set_dev_node(struct device *dev, int node) } #endif -static inline void * -dev_get_drvdata (struct device *dev) +static inline void *dev_get_drvdata(struct device *dev) { return dev->driver_data; } -static inline void -dev_set_drvdata (struct device *dev, void *data) +static inline void dev_set_drvdata(struct device *dev, void *data) { dev->driver_data = data; } @@ -492,15 +500,15 @@ void driver_init(void); /* * High level routines for use by the bus drivers */ -extern int __must_check device_register(struct device * dev); -extern void device_unregister(struct device * dev); -extern void device_initialize(struct device * dev); -extern int __must_check device_add(struct device * dev); -extern void device_del(struct device * dev); -extern int device_for_each_child(struct device *, void *, - int (*fn)(struct device *, void *)); -extern struct device *device_find_child(struct device *, void *data, - int (*match)(struct device *, void *)); +extern int __must_check device_register(struct device *dev); +extern void device_unregister(struct device *dev); +extern void device_initialize(struct device *dev); +extern int __must_check device_add(struct device *dev); +extern void device_del(struct device *dev); +extern int device_for_each_child(struct device *dev, void *data, + int (*fn)(struct device *dev, void *data)); +extern struct device *device_find_child(struct device *dev, void *data, + int (*match)(struct device *dev, void *data)); extern int device_rename(struct device *dev, char *new_name); extern int device_move(struct device *dev, struct device *new_parent); @@ -509,8 +517,8 @@ extern int device_move(struct device *dev, struct device *new_parent); * for information on use. */ extern int __must_check device_bind_driver(struct device *dev); -extern void device_release_driver(struct device * dev); -extern int __must_check device_attach(struct device * dev); +extern void device_release_driver(struct device *dev); +extern int __must_check device_attach(struct device *dev); extern int __must_check driver_attach(struct device_driver *drv); extern int __must_check device_reprobe(struct device *dev); @@ -519,8 +527,16 @@ extern int __must_check device_reprobe(struct device *dev); */ extern struct device *device_create(struct class *cls, struct device *parent, dev_t devt, const char *fmt, ...) - __attribute__((format(printf,4,5))); + __attribute__((format(printf, 4, 5))); extern void device_destroy(struct class *cls, dev_t devt); +#ifdef CONFIG_PM_SLEEP +extern void destroy_suspended_device(struct class *cls, dev_t devt); +#else /* !CONFIG_PM_SLEEP */ +static inline void destroy_suspended_device(struct class *cls, dev_t devt) +{ + device_destroy(cls, devt); +} +#endif /* !CONFIG_PM_SLEEP */ /* * Platform "fixup" functions - allow the platform to have their say @@ -528,17 +544,17 @@ extern void device_destroy(struct class *cls, dev_t devt); * know about. */ /* Notify platform of device discovery */ -extern int (*platform_notify)(struct device * dev); +extern int (*platform_notify)(struct device *dev); -extern int (*platform_notify_remove)(struct device * dev); +extern int (*platform_notify_remove)(struct device *dev); /** * get_device - atomically increment the reference count for the device. * */ -extern struct device * get_device(struct device * dev); -extern void put_device(struct device * dev); +extern struct device *get_device(struct device *dev); +extern void put_device(struct device *dev); /* drivers/base/power/shutdown.c */ @@ -547,22 +563,33 @@ extern void device_shutdown(void); /* drivers/base/sys.c */ extern void sysdev_shutdown(void); - -/* drivers/base/firmware.c */ -extern int __must_check firmware_register(struct kset *); -extern void firmware_unregister(struct kset *); - /* debugging and troubleshooting/diagnostic helpers. */ extern const char *dev_driver_string(struct device *dev); #define dev_printk(level, dev, format, arg...) \ - printk(level "%s %s: " format , dev_driver_string(dev) , (dev)->bus_id , ## arg) + printk(level "%s %s: " format , dev_driver_string(dev) , \ + (dev)->bus_id , ## arg) + +#define dev_emerg(dev, format, arg...) \ + dev_printk(KERN_EMERG , dev , format , ## arg) +#define dev_alert(dev, format, arg...) \ + dev_printk(KERN_ALERT , dev , format , ## arg) +#define dev_crit(dev, format, arg...) \ + dev_printk(KERN_CRIT , dev , format , ## arg) +#define dev_err(dev, format, arg...) \ + dev_printk(KERN_ERR , dev , format , ## arg) +#define dev_warn(dev, format, arg...) \ + dev_printk(KERN_WARNING , dev , format , ## arg) +#define dev_notice(dev, format, arg...) \ + dev_printk(KERN_NOTICE , dev , format , ## arg) +#define dev_info(dev, format, arg...) \ + dev_printk(KERN_INFO , dev , format , ## arg) #ifdef DEBUG #define dev_dbg(dev, format, arg...) \ dev_printk(KERN_DEBUG , dev , format , ## arg) #else static inline int __attribute__ ((format (printf, 2, 3))) -dev_dbg(struct device * dev, const char * fmt, ...) +dev_dbg(struct device *dev, const char *fmt, ...) { return 0; } @@ -572,21 +599,12 @@ dev_dbg(struct device * dev, const char * fmt, ...) #define dev_vdbg dev_dbg #else static inline int __attribute__ ((format (printf, 2, 3))) -dev_vdbg(struct device * dev, const char * fmt, ...) +dev_vdbg(struct device *dev, const char *fmt, ...) { return 0; } #endif -#define dev_err(dev, format, arg...) \ - dev_printk(KERN_ERR , dev , format , ## arg) -#define dev_info(dev, format, arg...) \ - dev_printk(KERN_INFO , dev , format , ## arg) -#define dev_warn(dev, format, arg...) \ - dev_printk(KERN_WARNING , dev , format , ## arg) -#define dev_notice(dev, format, arg...) \ - dev_printk(KERN_NOTICE , dev , format , ## arg) - /* Create alias, so I can be autoloaded. */ #define MODULE_ALIAS_CHARDEV(major,minor) \ MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor)) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index a3b6035b6c8..55c9a6952f4 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -132,7 +132,7 @@ struct dma_chan { /* sysfs */ int chan_id; - struct class_device class_dev; + struct device dev; struct kref refcount; int slow_ref; @@ -142,6 +142,7 @@ struct dma_chan { struct dma_chan_percpu *local; }; +#define to_dma_chan(p) container_of(p, struct dma_chan, dev) void dma_chan_cleanup(struct kref *kref); diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 00fc7a9c35e..5b42a659a30 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -78,6 +78,8 @@ extern const struct dmi_device * dmi_find_device(int type, const char *name, extern void dmi_scan_machine(void); extern int dmi_get_year(int field); extern int dmi_name_in_vendors(const char *str); +extern int dmi_available; +extern char *dmi_get_slot(int slot); #else @@ -87,6 +89,8 @@ static inline const struct dmi_device * dmi_find_device(int type, const char *na const struct dmi_device *from) { return NULL; } static inline int dmi_get_year(int year) { return 0; } static inline int dmi_name_in_vendors(const char *s) { return 0; } +#define dmi_available 0 +static inline char *dmi_get_slot(int slot) { return NULL; } #endif diff --git a/include/linux/fs.h b/include/linux/fs.h index b3ec4a496d6..21398a5d688 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1476,7 +1476,7 @@ extern void drop_collected_mounts(struct vfsmount *); extern int vfs_statfs(struct dentry *, struct kstatfs *); /* /sys/fs */ -extern struct kset fs_subsys; +extern struct kobject *fs_kobj; #define FLOCK_VERIFY_READ 1 #define FLOCK_VERIFY_WRITE 2 diff --git a/include/linux/futex.h b/include/linux/futex.h index 92d420fe03f..1a15f8e237a 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -1,8 +1,12 @@ #ifndef _LINUX_FUTEX_H #define _LINUX_FUTEX_H -#include <linux/sched.h> +#include <linux/compiler.h> +#include <linux/types.h> +struct inode; +struct mm_struct; +struct task_struct; union ktime; /* Second argument to futex syscall */ diff --git a/include/linux/genhd.h b/include/linux/genhd.h index a47b8025d39..1dbea0ac569 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -10,9 +10,19 @@ */ #include <linux/types.h> +#include <linux/kdev_t.h> #ifdef CONFIG_BLOCK +#define kobj_to_dev(k) container_of(k, struct device, kobj) +#define dev_to_disk(device) container_of(device, struct gendisk, dev) +#define dev_to_part(device) container_of(device, struct hd_struct, dev) + +extern struct device_type disk_type; +extern struct device_type part_type; +extern struct kobject *block_depr; +extern struct class block_class; + enum { /* These three have identical behaviour; use the second one if DOS FDISK gets confused about extended/logical partitions starting past cylinder 1023. */ @@ -84,7 +94,7 @@ struct partition { struct hd_struct { sector_t start_sect; sector_t nr_sects; - struct kobject kobj; + struct device dev; struct kobject *holder_dir; unsigned ios[2], sectors[2]; /* READs and WRITEs */ int policy, partno; @@ -117,15 +127,14 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[32]; /* name of major driver */ struct hd_struct **part; /* [indexed by minor] */ - int part_uevent_suppress; struct block_device_operations *fops; struct request_queue *queue; void *private_data; sector_t capacity; int flags; - struct device *driverfs_dev; - struct kobject kobj; + struct device *driverfs_dev; // FIXME: remove + struct device dev; struct kobject *holder_dir; struct kobject *slave_dir; @@ -143,13 +152,6 @@ struct gendisk { struct work_struct async_notify; }; -/* Structure for sysfs attributes on block devices */ -struct disk_attribute { - struct attribute attr; - ssize_t (*show)(struct gendisk *, char *); - ssize_t (*store)(struct gendisk *, const char *, size_t); -}; - /* * Macros to operate on percpu disk statistics: * @@ -411,7 +413,8 @@ struct unixware_disklabel { #define ADDPART_FLAG_RAID 1 #define ADDPART_FLAG_WHOLEDISK 2 -char *disk_name (struct gendisk *hd, int part, char *buf); +extern dev_t blk_lookup_devt(const char *name); +extern char *disk_name (struct gendisk *hd, int part, char *buf); extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); extern void add_partition(struct gendisk *, int, sector_t, sector_t, int); @@ -423,12 +426,12 @@ extern struct gendisk *alloc_disk(int minors); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); extern void genhd_media_change_notify(struct gendisk *disk); -extern void blk_register_region(dev_t dev, unsigned long range, +extern void blk_register_region(dev_t devt, unsigned long range, struct module *module, struct kobject *(*probe)(dev_t, int *, void *), int (*lock)(dev_t, void *), void *data); -extern void blk_unregister_region(dev_t dev, unsigned long range); +extern void blk_unregister_region(dev_t devt, unsigned long range); static inline struct block_device *bdget_disk(struct gendisk *disk, int index) { @@ -441,6 +444,12 @@ static inline struct block_device *bdget_disk(struct gendisk *disk, int index) static inline void printk_all_partitions(void) { } +static inline dev_t blk_lookup_devt(const char *name) +{ + dev_t devt = MKDEV(0, 0); + return devt; +} + #endif /* CONFIG_BLOCK */ #endif diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 8d302298a16..2961ec78804 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -72,11 +72,7 @@ #define in_softirq() (softirq_count()) #define in_interrupt() (irq_count()) -#if defined(CONFIG_PREEMPT) && !defined(CONFIG_PREEMPT_BKL) -# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked()) -#else -# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) -#endif +#define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) #ifdef CONFIG_PREEMPT # define PREEMPT_CHECK_OFFSET 1 diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h index 818c6afc109..ff43f8d6b5b 100644 --- a/include/linux/hdreg.h +++ b/include/linux/hdreg.h @@ -44,7 +44,9 @@ /* Bits for HD_ERROR */ #define MARK_ERR 0x01 /* Bad address mark */ +#define ILI_ERR 0x01 /* Illegal Length Indication (ATAPI) */ #define TRK0_ERR 0x02 /* couldn't find track 0 */ +#define EOM_ERR 0x02 /* End Of Media (ATAPI) */ #define ABRT_ERR 0x04 /* Command aborted */ #define MCR_ERR 0x08 /* media change request */ #define ID_ERR 0x10 /* ID field not found */ @@ -52,6 +54,7 @@ #define ECC_ERR 0x40 /* Uncorrectable ECC error */ #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ +#define LFS_ERR 0xf0 /* Last Failed Sense (ATAPI) */ /* Bits of HD_NSECTOR */ #define CD 0x01 @@ -70,13 +73,13 @@ #define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8)) #define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8)) -#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_NO_DATA 0 +#ifndef __KERNEL__ +#define IDE_DRIVE_TASK_INVALID -1 #define IDE_DRIVE_TASK_SET_XFER 1 - #define IDE_DRIVE_TASK_IN 2 - #define IDE_DRIVE_TASK_OUT 3 +#endif #define IDE_DRIVE_TASK_RAW_WRITE 4 /* @@ -87,10 +90,10 @@ #ifndef __KERNEL__ #define IDE_TASKFILE_STD_OUT_FLAGS 0xFE #define IDE_HOB_STD_OUT_FLAGS 0x3C -#endif typedef unsigned char task_ioreg_t; typedef unsigned long sata_ioreg_t; +#endif typedef union ide_reg_valid_s { unsigned all : 16; @@ -116,8 +119,8 @@ typedef union ide_reg_valid_s { } ide_reg_valid_t; typedef struct ide_task_request_s { - task_ioreg_t io_ports[8]; - task_ioreg_t hob_ports[8]; + __u8 io_ports[8]; + __u8 hob_ports[8]; /* bytes 6 and 7 are unused */ ide_reg_valid_t out_flags; ide_reg_valid_t in_flags; int data_phase; @@ -133,36 +136,35 @@ typedef struct ide_ioctl_request_s { } ide_ioctl_request_t; struct hd_drive_cmd_hdr { - task_ioreg_t command; - task_ioreg_t sector_number; - task_ioreg_t feature; - task_ioreg_t sector_count; + __u8 command; + __u8 sector_number; + __u8 feature; + __u8 sector_count; }; +#ifndef __KERNEL__ typedef struct hd_drive_task_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t command; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 command; } task_struct_t; typedef struct hd_drive_hob_hdr { - task_ioreg_t data; - task_ioreg_t feature; - task_ioreg_t sector_count; - task_ioreg_t sector_number; - task_ioreg_t low_cylinder; - task_ioreg_t high_cylinder; - task_ioreg_t device_head; - task_ioreg_t control; + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 control; } hob_struct_t; - -#define TASKFILE_INVALID 0x7fff -#define TASKFILE_48 0x8000 +#endif #define TASKFILE_NO_DATA 0x0000 @@ -178,12 +180,16 @@ typedef struct hd_drive_hob_hdr { #define TASKFILE_IN_DMAQ 0x0080 #define TASKFILE_OUT_DMAQ 0x0100 +#ifndef __KERNEL__ #define TASKFILE_P_IN 0x0200 #define TASKFILE_P_OUT 0x0400 #define TASKFILE_P_IN_DMA 0x0800 #define TASKFILE_P_OUT_DMA 0x1000 #define TASKFILE_P_IN_DMAQ 0x2000 #define TASKFILE_P_OUT_DMAQ 0x4000 +#define TASKFILE_48 0x8000 +#define TASKFILE_INVALID 0x7fff +#endif /* ATA/ATAPI Commands pre T13 Spec */ #define WIN_NOP 0x00 diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 7a9398e1970..49067f14fac 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -115,10 +115,8 @@ struct hrtimer { enum hrtimer_restart (*function)(struct hrtimer *); struct hrtimer_clock_base *base; unsigned long state; -#ifdef CONFIG_HIGH_RES_TIMERS enum hrtimer_cb_mode cb_mode; struct list_head cb_entry; -#endif #ifdef CONFIG_TIMER_STATS void *start_site; char start_comm[16]; @@ -194,10 +192,10 @@ struct hrtimer_cpu_base { spinlock_t lock; struct lock_class_key lock_key; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; + struct list_head cb_pending; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; int hres_active; - struct list_head cb_pending; unsigned long nr_events; #endif }; @@ -217,6 +215,11 @@ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) return timer->base->get_time(); } +static inline int hrtimer_is_hres_active(struct hrtimer *timer) +{ + return timer->base->cpu_base->hres_active; +} + /* * The resolution of the clocks. The resolution value is returned in * the clock_getres() system call to give application programmers an @@ -248,6 +251,10 @@ static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer) return timer->base->softirq_time; } +static inline int hrtimer_is_hres_active(struct hrtimer *timer) +{ + return 0; +} #endif extern ktime_t ktime_get(void); @@ -310,6 +317,7 @@ extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, /* Soft interrupt function to run the hrtimer queues: */ extern void hrtimer_run_queues(void); +extern void hrtimer_run_pending(void); /* Bootup initialization: */ extern void __init hrtimers_init(void); diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h index 21ea7610e17..85d11916e9e 100644 --- a/include/linux/hw_random.h +++ b/include/linux/hw_random.h @@ -33,7 +33,7 @@ struct hwrng { const char *name; int (*init)(struct hwrng *rng); void (*cleanup)(struct hwrng *rng); - int (*data_present)(struct hwrng *rng); + int (*data_present)(struct hwrng *rng, int wait); int (*data_read)(struct hwrng *rng, u32 *data); unsigned long priv; diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index e18017d4575..c7a51a196f5 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -125,6 +125,8 @@ #define I2C_DRIVERID_LM4857 92 /* LM4857 Audio Amplifier */ #define I2C_DRIVERID_VP27SMPX 93 /* Panasonic VP27s tuner internal MPX */ #define I2C_DRIVERID_CS4270 94 /* Cirrus Logic 4270 audio codec */ +#define I2C_DRIVERID_M52790 95 /* Mitsubishi M52790SP/FP AV switch */ +#define I2C_DRIVERID_CS5345 96 /* cs5345 audio processor */ #define I2C_DRIVERID_I2CDEV 900 #define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 9a6a41e7079..1e4409937ec 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -27,25 +27,10 @@ #include <asm/semaphore.h> #include <asm/mutex.h> -/****************************************************************************** - * IDE driver configuration options (play with these as desired): - * - * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary - */ -#define INITIAL_MULT_COUNT 0 /* off=0; on=2,4,8,16,32, etc.. */ - -#ifndef SUPPORT_SLOW_DATA_PORTS /* 1 to support slow data ports */ -#define SUPPORT_SLOW_DATA_PORTS 1 /* 0 to reduce kernel size */ -#endif -#ifndef SUPPORT_VLB_SYNC /* 1 to support weird 32-bit chips */ -#define SUPPORT_VLB_SYNC 1 /* 0 to reduce kernel size */ -#endif -#ifndef OK_TO_RESET_CONTROLLER /* 1 needed for good error recovery */ -#define OK_TO_RESET_CONTROLLER 1 /* 0 for use with AH2372A/B interface */ -#endif - -#ifndef DISABLE_IRQ_NOSYNC -#define DISABLE_IRQ_NOSYNC 0 +#if defined(CRIS) || defined(FRV) +# define SUPPORT_VLB_SYNC 0 +#else +# define SUPPORT_VLB_SYNC 1 #endif /* @@ -55,10 +40,6 @@ #define IDE_NO_IRQ (-1) -/* - * "No user-serviceable parts" beyond this point :) - *****************************************************************************/ - typedef unsigned char byte; /* used everywhere */ /* @@ -103,8 +84,6 @@ typedef unsigned char byte; /* used everywhere */ #define IDE_FEATURE_OFFSET IDE_ERROR_OFFSET #define IDE_COMMAND_OFFSET IDE_STATUS_OFFSET -#define IDE_CONTROL_OFFSET_HOB (7) - #define IDE_DATA_REG (HWIF(drive)->io_ports[IDE_DATA_OFFSET]) #define IDE_ERROR_REG (HWIF(drive)->io_ports[IDE_ERROR_OFFSET]) #define IDE_NSECTOR_REG (HWIF(drive)->io_ports[IDE_NSECTOR_OFFSET]) @@ -327,47 +306,16 @@ static inline void ide_init_hwif_ports(hw_regs_t *hw, typedef union { unsigned all : 8; struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) unsigned set_geometry : 1; unsigned recalibrate : 1; unsigned set_multmode : 1; unsigned set_tune : 1; unsigned serviced : 1; unsigned reserved : 3; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved : 3; - unsigned serviced : 1; - unsigned set_tune : 1; - unsigned set_multmode : 1; - unsigned recalibrate : 1; - unsigned set_geometry : 1; -#else -#error "Please fix <asm/byteorder.h>" -#endif } b; } special_t; /* - * ATA DATA Register Special. - * ATA NSECTOR Count Register(). - * ATAPI Byte Count Register. - */ -typedef union { - unsigned all :16; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned low :8; /* LSB */ - unsigned high :8; /* MSB */ -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned high :8; /* MSB */ - unsigned low :8; /* LSB */ -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_nsector_t, ata_data_t, atapi_bcount_t; - -/* * ATA-IDE Select Register, aka Device-Head * * head : always zeros here @@ -398,131 +346,6 @@ typedef union { } select_t, ata_select_t; /* - * The ATA-IDE Status Register. - * The ATAPI Status Register. - * - * check : Error occurred - * idx : Index Error - * corr : Correctable error occurred - * drq : Data is request by the device - * dsc : Disk Seek Complete : ata - * : Media access command finished : atapi - * df : Device Fault : ata - * : Reserved : atapi - * drdy : Ready, Command Mode Capable : ata - * : Ignored for ATAPI commands : atapi - * bsy : Disk is Busy - * : The device has access to the command block - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned check :1; - unsigned idx :1; - unsigned corr :1; - unsigned drq :1; - unsigned dsc :1; - unsigned df :1; - unsigned drdy :1; - unsigned bsy :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bsy :1; - unsigned drdy :1; - unsigned df :1; - unsigned dsc :1; - unsigned drq :1; - unsigned corr :1; - unsigned idx :1; - unsigned check :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} ata_status_t, atapi_status_t; - -/* - * ATAPI Feature Register - * - * dma : Using DMA or PIO - * reserved321 : Reserved - * reserved654 : Reserved (Tag Type) - * reserved7 : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned dma :1; - unsigned reserved321 :3; - unsigned reserved654 :3; - unsigned reserved7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved7 :1; - unsigned reserved654 :3; - unsigned reserved321 :3; - unsigned dma :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_feature_t; - -/* - * ATAPI Interrupt Reason Register. - * - * cod : Information transferred is command (1) or data (0) - * io : The device requests us to read (1) or write (0) - * reserved : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned cod :1; - unsigned io :1; - unsigned reserved :6; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved :6; - unsigned io :1; - unsigned cod :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_ireason_t; - -/* - * The ATAPI error register. - * - * ili : Illegal Length Indication - * eom : End Of Media Detected - * abrt : Aborted command - As defined by ATA - * mcr : Media Change Requested - As defined by ATA - * sense_key : Sense key of the last failed packet command - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned ili :1; - unsigned eom :1; - unsigned abrt :1; - unsigned mcr :1; - unsigned sense_key :4; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned sense_key :4; - unsigned mcr :1; - unsigned abrt :1; - unsigned eom :1; - unsigned ili :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_error_t; - -/* * Status returned from various ide_ functions */ typedef enum { @@ -701,8 +524,6 @@ typedef struct hwif_s { void (*pre_reset)(ide_drive_t *); /* routine to reset controller after a disk reset */ void (*resetproc)(ide_drive_t *); - /* special interrupt handling for shared pci interrupts */ - void (*intrproc)(ide_drive_t *); /* special host masking for drive selection */ void (*maskproc)(ide_drive_t *, int); /* check host's drive quirk list */ @@ -766,7 +587,6 @@ typedef struct hwif_s { int rqsize; /* max sectors per request */ int irq; /* our irq number */ - unsigned long dma_master; /* reference base addr dmabase */ unsigned long dma_base; /* base addr for dma ports */ unsigned long dma_command; /* dma command register */ unsigned long dma_vendor1; /* dma vendor 1 register */ @@ -806,7 +626,6 @@ typedef struct hwif_s { /* * internal ide interrupt handler type */ -typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *); typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); typedef int (ide_expiry_t)(ide_drive_t *); @@ -1020,7 +839,8 @@ int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); -extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *); +void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, + ide_expiry_t *); ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); @@ -1062,52 +882,114 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); */ extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *); +enum { + IDE_TFLAG_LBA48 = (1 << 0), + IDE_TFLAG_NO_SELECT_MASK = (1 << 1), + IDE_TFLAG_FLAGGED = (1 << 2), + IDE_TFLAG_OUT_DATA = (1 << 3), + IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), + IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | + IDE_TFLAG_OUT_HOB_NSECT | + IDE_TFLAG_OUT_HOB_LBAL | + IDE_TFLAG_OUT_HOB_LBAM | + IDE_TFLAG_OUT_HOB_LBAH, + IDE_TFLAG_OUT_FEATURE = (1 << 9), + IDE_TFLAG_OUT_NSECT = (1 << 10), + IDE_TFLAG_OUT_LBAL = (1 << 11), + IDE_TFLAG_OUT_LBAM = (1 << 12), + IDE_TFLAG_OUT_LBAH = (1 << 13), + IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | + IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_OUT_LBAM | + IDE_TFLAG_OUT_LBAH, + IDE_TFLAG_OUT_DEVICE = (1 << 14), + IDE_TFLAG_WRITE = (1 << 15), + IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), + IDE_TFLAG_IN_DATA = (1 << 17), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), + IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), + IDE_TFLAG_IN_HOB_NSECT = (1 << 21), + IDE_TFLAG_IN_HOB_LBAL = (1 << 22), + IDE_TFLAG_IN_HOB_LBAM = (1 << 23), + IDE_TFLAG_IN_HOB_LBAH = (1 << 24), + IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | + IDE_TFLAG_IN_HOB_LBAM | + IDE_TFLAG_IN_HOB_LBAH, + IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | + IDE_TFLAG_IN_HOB_NSECT | + IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_NSECT = (1 << 25), + IDE_TFLAG_IN_LBAL = (1 << 26), + IDE_TFLAG_IN_LBAM = (1 << 27), + IDE_TFLAG_IN_LBAH = (1 << 28), + IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | + IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_LBAH, + IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | + IDE_TFLAG_IN_LBA, + IDE_TFLAG_IN_DEVICE = (1 << 29), +}; + +struct ide_taskfile { + u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ + + u8 hob_feature; /* 1-5: additional data to support LBA48 */ + u8 hob_nsect; + u8 hob_lbal; + u8 hob_lbam; + u8 hob_lbah; + + u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ + + union { /*  7: */ + u8 error; /* read: error */ + u8 feature; /* write: feature */ + }; + + u8 nsect; /* 8: number of sectors */ + u8 lbal; /* 9: LBA low */ + u8 lbam; /* 10: LBA mid */ + u8 lbah; /* 11: LBA high */ + + u8 device; /* 12: device select */ + + union { /* 13: */ + u8 status; /*  read: status  */ + u8 command; /* write: command */ + }; +}; + typedef struct ide_task_s { -/* - * struct hd_drive_task_hdr tf; - * task_struct_t tf; - * struct hd_drive_hob_hdr hobf; - * hob_struct_t hobf; - */ - task_ioreg_t tfRegister[8]; - task_ioreg_t hobRegister[8]; - ide_reg_valid_t tf_out_flags; - ide_reg_valid_t tf_in_flags; + union { + struct ide_taskfile tf; + u8 tf_array[14]; + }; + u32 tf_flags; int data_phase; - int command_type; - ide_pre_handler_t *prehandler; - ide_handler_t *handler; struct request *rq; /* copy of request */ void *special; /* valid_t generally */ } ide_task_t; -extern u32 ide_read_24(ide_drive_t *); +void ide_tf_load(ide_drive_t *, ide_task_t *); +void ide_tf_read(ide_drive_t *, ide_task_t *); extern void SELECT_DRIVE(ide_drive_t *); -extern void SELECT_INTERRUPT(ide_drive_t *); extern void SELECT_MASK(ide_drive_t *, int); -extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); -/* - * taskfile io for disks for now...and builds request from ide_ioctl - */ -extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); - -/* - * Special Flagged Register Validation Caller - */ -extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *); +void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); -extern ide_startstop_t set_multmode_intr(ide_drive_t *); -extern ide_startstop_t set_geometry_intr(ide_drive_t *); -extern ide_startstop_t recal_intr(ide_drive_t *); -extern ide_startstop_t task_no_data_intr(ide_drive_t *); -extern ide_startstop_t task_in_intr(ide_drive_t *); -extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); +ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *); +int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); +int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); @@ -1212,6 +1094,7 @@ enum { IDE_HFLAG_IO_32BIT = (1 << 24), /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), + IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), }; #ifdef CONFIG_BLK_DEV_OFFBOARD @@ -1229,7 +1112,7 @@ struct ide_port_info { void (*fixup)(ide_hwif_t *); ide_pci_enablebit_t enablebits[2]; hwif_chipset_t chipset; - unsigned int extra; + u8 extra; u32 host_flags; u8 pio_mask; u8 swdma_mask; @@ -1356,6 +1239,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) return 0; } +u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { diff --git a/include/linux/init_task.h b/include/linux/init_task.h index cae35b6b9ae..796019b22b6 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -132,9 +132,12 @@ extern struct group_info init_groups; .cpus_allowed = CPU_MASK_ALL, \ .mm = NULL, \ .active_mm = &init_mm, \ - .run_list = LIST_HEAD_INIT(tsk.run_list), \ + .rt = { \ + .run_list = LIST_HEAD_INIT(tsk.rt.run_list), \ + .time_slice = HZ, \ + .nr_cpus_allowed = NR_CPUS, \ + }, \ .ioprio = 0, \ - .time_slice = HZ, \ .tasks = LIST_HEAD_INIT(tsk.tasks), \ .ptrace_children= LIST_HEAD_INIT(tsk.ptrace_children), \ .ptrace_list = LIST_HEAD_INIT(tsk.ptrace_list), \ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 2306920fa38..c3db4a00f1f 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -256,6 +256,7 @@ enum #ifdef CONFIG_HIGH_RES_TIMERS HRTIMER_SOFTIRQ, #endif + RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */ }; /* softirq mask and active fields moved to irq_cpustat_t in diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 8b080024bbc..7ba9e47bf06 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -29,6 +29,12 @@ # define SHIFT_HZ 9 #elif HZ >= 768 && HZ < 1536 # define SHIFT_HZ 10 +#elif HZ >= 1536 && HZ < 3072 +# define SHIFT_HZ 11 +#elif HZ >= 3072 && HZ < 6144 +# define SHIFT_HZ 12 +#elif HZ >= 6144 && HZ < 12288 +# define SHIFT_HZ 13 #else # error You lose. #endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 94bc9965696..a7283c9bead 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -105,8 +105,8 @@ struct user; * supposed to. */ #ifdef CONFIG_PREEMPT_VOLUNTARY -extern int cond_resched(void); -# define might_resched() cond_resched() +extern int _cond_resched(void); +# define might_resched() _cond_resched() #else # define might_resched() do { } while (0) #endif diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 4a0d27f475d..caa3f411f15 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -3,15 +3,14 @@ * * Copyright (c) 2002-2003 Patrick Mochel * Copyright (c) 2002-2003 Open Source Development Labs - * Copyright (c) 2006-2007 Greg Kroah-Hartman <greg@kroah.com> - * Copyright (c) 2006-2007 Novell Inc. + * Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (c) 2006-2008 Novell Inc. * * This file is released under the GPLv2. * - * * Please read Documentation/kobject.txt before using the kobject * interface, ESPECIALLY the parts about reference counts and object - * destructors. + * destructors. */ #ifndef _KOBJECT_H_ @@ -61,48 +60,54 @@ enum kobject_action { }; struct kobject { - const char * k_name; + const char *name; struct kref kref; struct list_head entry; - struct kobject * parent; - struct kset * kset; - struct kobj_type * ktype; - struct sysfs_dirent * sd; + struct kobject *parent; + struct kset *kset; + struct kobj_type *ktype; + struct sysfs_dirent *sd; + unsigned int state_initialized:1; + unsigned int state_in_sysfs:1; + unsigned int state_add_uevent_sent:1; + unsigned int state_remove_uevent_sent:1; }; -extern int kobject_set_name(struct kobject *, const char *, ...) - __attribute__((format(printf,2,3))); +extern int kobject_set_name(struct kobject *kobj, const char *name, ...) + __attribute__((format(printf, 2, 3))); -static inline const char * kobject_name(const struct kobject * kobj) +static inline const char *kobject_name(const struct kobject *kobj) { - return kobj->k_name; + return kobj->name; } -extern void kobject_init(struct kobject *); -extern void kobject_cleanup(struct kobject *); +extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype); +extern int __must_check kobject_add(struct kobject *kobj, + struct kobject *parent, + const char *fmt, ...); +extern int __must_check kobject_init_and_add(struct kobject *kobj, + struct kobj_type *ktype, + struct kobject *parent, + const char *fmt, ...); + +extern void kobject_del(struct kobject *kobj); -extern int __must_check kobject_add(struct kobject *); -extern void kobject_del(struct kobject *); +extern struct kobject * __must_check kobject_create(void); +extern struct kobject * __must_check kobject_create_and_add(const char *name, + struct kobject *parent); extern int __must_check kobject_rename(struct kobject *, const char *new_name); extern int __must_check kobject_move(struct kobject *, struct kobject *); -extern int __must_check kobject_register(struct kobject *); -extern void kobject_unregister(struct kobject *); - -extern struct kobject * kobject_get(struct kobject *); -extern void kobject_put(struct kobject *); - -extern struct kobject *kobject_kset_add_dir(struct kset *kset, - struct kobject *, const char *); -extern struct kobject *kobject_add_dir(struct kobject *, const char *); +extern struct kobject *kobject_get(struct kobject *kobj); +extern void kobject_put(struct kobject *kobj); -extern char * kobject_get_path(struct kobject *, gfp_t); +extern char *kobject_get_path(struct kobject *kobj, gfp_t flag); struct kobj_type { - void (*release)(struct kobject *); - struct sysfs_ops * sysfs_ops; - struct attribute ** default_attrs; + void (*release)(struct kobject *kobj); + struct sysfs_ops *sysfs_ops; + struct attribute **default_attrs; }; struct kobj_uevent_env { @@ -119,6 +124,16 @@ struct kset_uevent_ops { struct kobj_uevent_env *env); }; +struct kobj_attribute { + struct attribute attr; + ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr, + char *buf); + ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count); +}; + +extern struct sysfs_ops kobj_sysfs_ops; + /** * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem. * @@ -128,7 +143,6 @@ struct kset_uevent_ops { * define the attribute callbacks and other common events that happen to * a kobject. * - * @ktype: the struct kobj_type for this specific kset * @list: the list of all kobjects for this kset * @list_lock: a lock for iterating over the kobjects * @kobj: the embedded kobject for this kset (recursion, isn't it fun...) @@ -138,99 +152,49 @@ struct kset_uevent_ops { * desired. */ struct kset { - struct kobj_type *ktype; - struct list_head list; - spinlock_t list_lock; - struct kobject kobj; - struct kset_uevent_ops *uevent_ops; + struct list_head list; + spinlock_t list_lock; + struct kobject kobj; + struct kset_uevent_ops *uevent_ops; }; +extern void kset_init(struct kset *kset); +extern int __must_check kset_register(struct kset *kset); +extern void kset_unregister(struct kset *kset); +extern struct kset * __must_check kset_create_and_add(const char *name, + struct kset_uevent_ops *u, + struct kobject *parent_kobj); -extern void kset_init(struct kset * k); -extern int __must_check kset_add(struct kset * k); -extern int __must_check kset_register(struct kset * k); -extern void kset_unregister(struct kset * k); - -static inline struct kset * to_kset(struct kobject * kobj) +static inline struct kset *to_kset(struct kobject *kobj) { - return kobj ? container_of(kobj,struct kset,kobj) : NULL; + return kobj ? container_of(kobj, struct kset, kobj) : NULL; } -static inline struct kset * kset_get(struct kset * k) +static inline struct kset *kset_get(struct kset *k) { return k ? to_kset(kobject_get(&k->kobj)) : NULL; } -static inline void kset_put(struct kset * k) +static inline void kset_put(struct kset *k) { kobject_put(&k->kobj); } -static inline struct kobj_type * get_ktype(struct kobject * k) +static inline struct kobj_type *get_ktype(struct kobject *kobj) { - if (k->kset && k->kset->ktype) - return k->kset->ktype; - else - return k->ktype; + return kobj->ktype; } -extern struct kobject * kset_find_obj(struct kset *, const char *); - - -/* - * Use this when initializing an embedded kset with no other - * fields to initialize. - */ -#define set_kset_name(str) .kset = { .kobj = { .k_name = str } } - - -#define decl_subsys(_name,_type,_uevent_ops) \ -struct kset _name##_subsys = { \ - .kobj = { .k_name = __stringify(_name) }, \ - .ktype = _type, \ - .uevent_ops =_uevent_ops, \ -} -#define decl_subsys_name(_varname,_name,_type,_uevent_ops) \ -struct kset _varname##_subsys = { \ - .kobj = { .k_name = __stringify(_name) }, \ - .ktype = _type, \ - .uevent_ops =_uevent_ops, \ -} - -/* The global /sys/kernel/ subsystem for people to chain off of */ -extern struct kset kernel_subsys; -/* The global /sys/hypervisor/ subsystem */ -extern struct kset hypervisor_subsys; - -/* - * Helpers for setting the kset of registered objects. - * Often, a registered object belongs to a kset embedded in a - * subsystem. These do no magic, just make the resulting code - * easier to follow. - */ - -/** - * kobj_set_kset_s(obj,subsys) - set kset for embedded kobject. - * @obj: ptr to some object type. - * @subsys: a subsystem object (not a ptr). - * - * Can be used for any object type with an embedded ->kobj. - */ - -#define kobj_set_kset_s(obj,subsys) \ - (obj)->kobj.kset = &(subsys) - -extern int __must_check subsystem_register(struct kset *); -extern void subsystem_unregister(struct kset *); - -struct subsys_attribute { - struct attribute attr; - ssize_t (*show)(struct kset *, char *); - ssize_t (*store)(struct kset *, const char *, size_t); -}; +extern struct kobject *kset_find_obj(struct kset *, const char *); -extern int __must_check subsys_create_file(struct kset *, - struct subsys_attribute *); +/* The global /sys/kernel/ kobject for people to chain off of */ +extern struct kobject *kernel_kobj; +/* The global /sys/hypervisor/ kobject for people to chain off of */ +extern struct kobject *hypervisor_kobj; +/* The global /sys/power/ kobject for people to chain off of */ +extern struct kobject *power_kobj; +/* The global /sys/firmware/ kobject for people to chain off of */ +extern struct kobject *firmware_kobj; #if defined(CONFIG_HOTPLUG) int kobject_uevent(struct kobject *kobj, enum kobject_action action); @@ -243,18 +207,20 @@ int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...) int kobject_action_type(const char *buf, size_t count, enum kobject_action *type); #else -static inline int kobject_uevent(struct kobject *kobj, enum kobject_action action) +static inline int kobject_uevent(struct kobject *kobj, + enum kobject_action action) { return 0; } static inline int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, char *envp[]) { return 0; } -static inline int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...) +static inline int add_uevent_var(struct kobj_uevent_env *env, + const char *format, ...) { return 0; } static inline int kobject_action_type(const char *buf, size_t count, - enum kobject_action *type) + enum kobject_action *type) { return -EINVAL; } #endif diff --git a/include/linux/kref.h b/include/linux/kref.h index 6fee3539893..5d185635786 100644 --- a/include/linux/kref.h +++ b/include/linux/kref.h @@ -24,6 +24,7 @@ struct kref { atomic_t refcount; }; +void kref_set(struct kref *kref, int num); void kref_init(struct kref *kref); void kref_get(struct kref *kref); int kref_put(struct kref *kref, void (*release) (struct kref *kref)); diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h new file mode 100644 index 00000000000..901c2d6377a --- /dev/null +++ b/include/linux/latencytop.h @@ -0,0 +1,44 @@ +/* + * latencytop.h: Infrastructure for displaying latency + * + * (C) Copyright 2008 Intel Corporation + * Author: Arjan van de Ven <arjan@linux.intel.com> + * + */ + +#ifndef _INCLUDE_GUARD_LATENCYTOP_H_ +#define _INCLUDE_GUARD_LATENCYTOP_H_ + +#ifdef CONFIG_LATENCYTOP + +#define LT_SAVECOUNT 32 +#define LT_BACKTRACEDEPTH 12 + +struct latency_record { + unsigned long backtrace[LT_BACKTRACEDEPTH]; + unsigned int count; + unsigned long time; + unsigned long max; +}; + + +struct task_struct; + +void account_scheduler_latency(struct task_struct *task, int usecs, int inter); + +void clear_all_latency_tracing(struct task_struct *p); + +#else + +static inline void +account_scheduler_latency(struct task_struct *task, int usecs, int inter) +{ +} + +static inline void clear_all_latency_tracing(struct task_struct *p) +{ +} + +#endif + +#endif diff --git a/include/linux/mm.h b/include/linux/mm.h index 1b7b95c67ac..1897ca223ec 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -12,7 +12,6 @@ #include <linux/prio_tree.h> #include <linux/debug_locks.h> #include <linux/mm_types.h> -#include <linux/security.h> struct mempolicy; struct anon_vma; @@ -34,6 +33,8 @@ extern int sysctl_legacy_va_layout; #define sysctl_legacy_va_layout 0 #endif +extern unsigned long mmap_min_addr; + #include <asm/page.h> #include <asm/pgtable.h> #include <asm/processor.h> diff --git a/include/linux/module.h b/include/linux/module.h index 2cbc0b87e32..c97bdb7eb95 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -574,7 +574,9 @@ struct device_driver; #ifdef CONFIG_SYSFS struct module; -extern struct kset module_subsys; +extern struct kset *module_kset; +extern struct kobj_type module_ktype; +extern int module_sysfs_initialized; int mod_sysfs_init(struct module *mod); int mod_sysfs_setup(struct module *mod, @@ -607,21 +609,6 @@ static inline void module_remove_modinfo_attrs(struct module *mod) #endif /* CONFIG_SYSFS */ -#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES) - -void module_add_driver(struct module *mod, struct device_driver *drv); -void module_remove_driver(struct device_driver *drv); - -#else /* not both CONFIG_SYSFS && CONFIG_MODULES */ - -static inline void module_add_driver(struct module *mod, struct device_driver *drv) -{ } - -static inline void module_remove_driver(struct device_driver *drv) -{ } - -#endif - #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x) /* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */ diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 0c40cc0b4a3..5dfbc684ce7 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -207,9 +207,7 @@ static inline int notifier_to_errno(int ret) #define CPU_DOWN_PREPARE 0x0005 /* CPU (unsigned)v going down */ #define CPU_DOWN_FAILED 0x0006 /* CPU (unsigned)v NOT going down */ #define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */ -#define CPU_LOCK_ACQUIRE 0x0008 /* Acquire all hotcpu locks */ -#define CPU_LOCK_RELEASE 0x0009 /* Release all hotcpu locks */ -#define CPU_DYING 0x000A /* CPU (unsigned)v not running any task, +#define CPU_DYING 0x0008 /* CPU (unsigned)v not running any task, * not handling interrupts, soon dead */ /* Used for CPU hotplug events occuring while tasks are frozen due to a suspend diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index ab4cb6ecd47..8f67e8f2a3c 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h @@ -174,7 +174,7 @@ extern int pci_hp_register (struct hotplug_slot *slot); extern int pci_hp_deregister (struct hotplug_slot *slot); extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot, struct hotplug_slot_info *info); -extern struct kset pci_hotplug_slots_subsys; +extern struct kset *pci_hotplug_slots_kset; /* PCI Setting Record (Type 0) */ struct hpp_type0 { diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h index 5ea4f05683f..04b4d7330e6 100644 --- a/include/linux/pktcdvd.h +++ b/include/linux/pktcdvd.h @@ -290,7 +290,7 @@ struct pktcdvd_device int write_congestion_off; int write_congestion_on; - struct class_device *clsdev; /* sysfs pktcdvd[0-7] class dev */ + struct device *dev; /* sysfs pktcdvd[0-7] dev */ struct pktcdvd_kobj *kobj_stat; /* sysfs pktcdvd[0-7]/stat/ */ struct pktcdvd_kobj *kobj_wqueue; /* sysfs pktcdvd[0-7]/write_queue/ */ diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index e80804316cd..3261681c82a 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -35,7 +35,7 @@ extern struct resource *platform_get_resource_byname(struct platform_device *, u extern int platform_get_irq_byname(struct platform_device *, char *); extern int platform_add_devices(struct platform_device **, int); -extern struct platform_device *platform_device_register_simple(char *, int id, +extern struct platform_device *platform_device_register_simple(const char *, int id, struct resource *, unsigned int); extern struct platform_device *platform_device_alloc(const char *name, int id); diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h new file mode 100644 index 00000000000..4d6624260b4 --- /dev/null +++ b/include/linux/rcuclassic.h @@ -0,0 +1,164 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (classic version) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright IBM Corporation, 2001 + * + * Author: Dipankar Sarma <dipankar@in.ibm.com> + * + * Based on the original work by Paul McKenney <paulmck@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of Read-Copy Update mechanism see - + * Documentation/RCU + * + */ + +#ifndef __LINUX_RCUCLASSIC_H +#define __LINUX_RCUCLASSIC_H + +#ifdef __KERNEL__ + +#include <linux/cache.h> +#include <linux/spinlock.h> +#include <linux/threads.h> +#include <linux/percpu.h> +#include <linux/cpumask.h> +#include <linux/seqlock.h> + + +/* Global control variables for rcupdate callback mechanism. */ +struct rcu_ctrlblk { + long cur; /* Current batch number. */ + long completed; /* Number of the last completed batch */ + int next_pending; /* Is the next batch already waiting? */ + + int signaled; + + spinlock_t lock ____cacheline_internodealigned_in_smp; + cpumask_t cpumask; /* CPUs that need to switch in order */ + /* for current batch to proceed. */ +} ____cacheline_internodealigned_in_smp; + +/* Is batch a before batch b ? */ +static inline int rcu_batch_before(long a, long b) +{ + return (a - b) < 0; +} + +/* Is batch a after batch b ? */ +static inline int rcu_batch_after(long a, long b) +{ + return (a - b) > 0; +} + +/* + * Per-CPU data for Read-Copy UPdate. + * nxtlist - new callbacks are added here + * curlist - current batch for which quiescent cycle started if any + */ +struct rcu_data { + /* 1) quiescent state handling : */ + long quiescbatch; /* Batch # for grace period */ + int passed_quiesc; /* User-mode/idle loop etc. */ + int qs_pending; /* core waits for quiesc state */ + + /* 2) batch handling */ + long batch; /* Batch # for current RCU batch */ + struct rcu_head *nxtlist; + struct rcu_head **nxttail; + long qlen; /* # of queued callbacks */ + struct rcu_head *curlist; + struct rcu_head **curtail; + struct rcu_head *donelist; + struct rcu_head **donetail; + long blimit; /* Upper limit on a processed batch */ + int cpu; + struct rcu_head barrier; +}; + +DECLARE_PER_CPU(struct rcu_data, rcu_data); +DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); + +/* + * Increment the quiescent state counter. + * The counter is a bit degenerated: We do not need to know + * how many quiescent states passed, just if there was at least + * one since the start of the grace period. Thus just a flag. + */ +static inline void rcu_qsctr_inc(int cpu) +{ + struct rcu_data *rdp = &per_cpu(rcu_data, cpu); + rdp->passed_quiesc = 1; +} +static inline void rcu_bh_qsctr_inc(int cpu) +{ + struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu); + rdp->passed_quiesc = 1; +} + +extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern struct lockdep_map rcu_lock_map; +# define rcu_read_acquire() \ + lock_acquire(&rcu_lock_map, 0, 0, 2, 1, _THIS_IP_) +# define rcu_read_release() lock_release(&rcu_lock_map, 1, _THIS_IP_) +#else +# define rcu_read_acquire() do { } while (0) +# define rcu_read_release() do { } while (0) +#endif + +#define __rcu_read_lock() \ + do { \ + preempt_disable(); \ + __acquire(RCU); \ + rcu_read_acquire(); \ + } while (0) +#define __rcu_read_unlock() \ + do { \ + rcu_read_release(); \ + __release(RCU); \ + preempt_enable(); \ + } while (0) +#define __rcu_read_lock_bh() \ + do { \ + local_bh_disable(); \ + __acquire(RCU_BH); \ + rcu_read_acquire(); \ + } while (0) +#define __rcu_read_unlock_bh() \ + do { \ + rcu_read_release(); \ + __release(RCU_BH); \ + local_bh_enable(); \ + } while (0) + +#define __synchronize_sched() synchronize_rcu() + +extern void __rcu_init(void); +extern void rcu_check_callbacks(int cpu, int user); +extern void rcu_restart_cpu(int cpu); + +extern long rcu_batches_completed(void); +extern long rcu_batches_completed_bh(void); + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUCLASSIC_H */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index cc24a01df94..d32c14de270 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -15,7 +15,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * Copyright (C) IBM Corporation, 2001 + * Copyright IBM Corporation, 2001 * * Author: Dipankar Sarma <dipankar@in.ibm.com> * @@ -53,96 +53,18 @@ struct rcu_head { void (*func)(struct rcu_head *head); }; +#ifdef CONFIG_CLASSIC_RCU +#include <linux/rcuclassic.h> +#else /* #ifdef CONFIG_CLASSIC_RCU */ +#include <linux/rcupreempt.h> +#endif /* #else #ifdef CONFIG_CLASSIC_RCU */ + #define RCU_HEAD_INIT { .next = NULL, .func = NULL } #define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT #define INIT_RCU_HEAD(ptr) do { \ (ptr)->next = NULL; (ptr)->func = NULL; \ } while (0) - - -/* Global control variables for rcupdate callback mechanism. */ -struct rcu_ctrlblk { - long cur; /* Current batch number. */ - long completed; /* Number of the last completed batch */ - int next_pending; /* Is the next batch already waiting? */ - - int signaled; - - spinlock_t lock ____cacheline_internodealigned_in_smp; - cpumask_t cpumask; /* CPUs that need to switch in order */ - /* for current batch to proceed. */ -} ____cacheline_internodealigned_in_smp; - -/* Is batch a before batch b ? */ -static inline int rcu_batch_before(long a, long b) -{ - return (a - b) < 0; -} - -/* Is batch a after batch b ? */ -static inline int rcu_batch_after(long a, long b) -{ - return (a - b) > 0; -} - -/* - * Per-CPU data for Read-Copy UPdate. - * nxtlist - new callbacks are added here - * curlist - current batch for which quiescent cycle started if any - */ -struct rcu_data { - /* 1) quiescent state handling : */ - long quiescbatch; /* Batch # for grace period */ - int passed_quiesc; /* User-mode/idle loop etc. */ - int qs_pending; /* core waits for quiesc state */ - - /* 2) batch handling */ - long batch; /* Batch # for current RCU batch */ - struct rcu_head *nxtlist; - struct rcu_head **nxttail; - long qlen; /* # of queued callbacks */ - struct rcu_head *curlist; - struct rcu_head **curtail; - struct rcu_head *donelist; - struct rcu_head **donetail; - long blimit; /* Upper limit on a processed batch */ - int cpu; - struct rcu_head barrier; -}; - -DECLARE_PER_CPU(struct rcu_data, rcu_data); -DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); - -/* - * Increment the quiescent state counter. - * The counter is a bit degenerated: We do not need to know - * how many quiescent states passed, just if there was at least - * one since the start of the grace period. Thus just a flag. - */ -static inline void rcu_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_data, cpu); - rdp->passed_quiesc = 1; -} -static inline void rcu_bh_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu); - rdp->passed_quiesc = 1; -} - -extern int rcu_pending(int cpu); -extern int rcu_needs_cpu(int cpu); - -#ifdef CONFIG_DEBUG_LOCK_ALLOC -extern struct lockdep_map rcu_lock_map; -# define rcu_read_acquire() lock_acquire(&rcu_lock_map, 0, 0, 2, 1, _THIS_IP_) -# define rcu_read_release() lock_release(&rcu_lock_map, 1, _THIS_IP_) -#else -# define rcu_read_acquire() do { } while (0) -# define rcu_read_release() do { } while (0) -#endif - /** * rcu_read_lock - mark the beginning of an RCU read-side critical section. * @@ -172,24 +94,13 @@ extern struct lockdep_map rcu_lock_map; * * It is illegal to block while in an RCU read-side critical section. */ -#define rcu_read_lock() \ - do { \ - preempt_disable(); \ - __acquire(RCU); \ - rcu_read_acquire(); \ - } while(0) +#define rcu_read_lock() __rcu_read_lock() /** * rcu_read_unlock - marks the end of an RCU read-side critical section. * * See rcu_read_lock() for more information. */ -#define rcu_read_unlock() \ - do { \ - rcu_read_release(); \ - __release(RCU); \ - preempt_enable(); \ - } while(0) /* * So where is rcu_write_lock()? It does not exist, as there is no @@ -200,6 +111,7 @@ extern struct lockdep_map rcu_lock_map; * used as well. RCU does not care how the writers keep out of each * others' way, as long as they do so. */ +#define rcu_read_unlock() __rcu_read_unlock() /** * rcu_read_lock_bh - mark the beginning of a softirq-only RCU critical section @@ -212,24 +124,14 @@ extern struct lockdep_map rcu_lock_map; * can use just rcu_read_lock(). * */ -#define rcu_read_lock_bh() \ - do { \ - local_bh_disable(); \ - __acquire(RCU_BH); \ - rcu_read_acquire(); \ - } while(0) +#define rcu_read_lock_bh() __rcu_read_lock_bh() /* * rcu_read_unlock_bh - marks the end of a softirq-only RCU critical section * * See rcu_read_lock_bh() for more information. */ -#define rcu_read_unlock_bh() \ - do { \ - rcu_read_release(); \ - __release(RCU_BH); \ - local_bh_enable(); \ - } while(0) +#define rcu_read_unlock_bh() __rcu_read_unlock_bh() /* * Prevent the compiler from merging or refetching accesses. The compiler @@ -293,21 +195,52 @@ extern struct lockdep_map rcu_lock_map; * In "classic RCU", these two guarantees happen to be one and * the same, but can differ in realtime RCU implementations. */ -#define synchronize_sched() synchronize_rcu() +#define synchronize_sched() __synchronize_sched() -extern void rcu_init(void); -extern void rcu_check_callbacks(int cpu, int user); -extern void rcu_restart_cpu(int cpu); -extern long rcu_batches_completed(void); -extern long rcu_batches_completed_bh(void); +/** + * call_rcu - Queue an RCU callback for invocation after a grace period. + * @head: structure to be used for queueing the RCU updates. + * @func: actual update function to be invoked after the grace period + * + * The update function will be invoked some time after a full grace + * period elapses, in other words after all currently executing RCU + * read-side critical sections have completed. RCU read-side critical + * sections are delimited by rcu_read_lock() and rcu_read_unlock(), + * and may be nested. + */ +extern void call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)); -/* Exported interfaces */ -extern void FASTCALL(call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *head))); -extern void FASTCALL(call_rcu_bh(struct rcu_head *head, - void (*func)(struct rcu_head *head))); +/** + * call_rcu_bh - Queue an RCU for invocation after a quicker grace period. + * @head: structure to be used for queueing the RCU updates. + * @func: actual update function to be invoked after the grace period + * + * The update function will be invoked some time after a full grace + * period elapses, in other words after all currently executing RCU + * read-side critical sections have completed. call_rcu_bh() assumes + * that the read-side critical sections end on completion of a softirq + * handler. This means that read-side critical sections in process + * context must not be interrupted by softirqs. This interface is to be + * used when most of the read-side critical sections are in softirq context. + * RCU read-side critical sections are delimited by : + * - rcu_read_lock() and rcu_read_unlock(), if in interrupt context. + * OR + * - rcu_read_lock_bh() and rcu_read_unlock_bh(), if in process context. + * These may be nested. + */ +extern void call_rcu_bh(struct rcu_head *head, + void (*func)(struct rcu_head *head)); + +/* Exported common interfaces */ extern void synchronize_rcu(void); extern void rcu_barrier(void); +extern long rcu_batches_completed(void); +extern long rcu_batches_completed_bh(void); + +/* Internal to kernel */ +extern void rcu_init(void); +extern int rcu_needs_cpu(int cpu); #endif /* __KERNEL__ */ #endif /* __LINUX_RCUPDATE_H */ diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h new file mode 100644 index 00000000000..ece8eb3e415 --- /dev/null +++ b/include/linux/rcupreempt.h @@ -0,0 +1,86 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (RT implementation) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) IBM Corporation, 2006 + * + * Author: Paul McKenney <paulmck@us.ibm.com> + * + * Based on the original work by Paul McKenney <paul.mckenney@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of Read-Copy Update mechanism see - + * Documentation/RCU + * + */ + +#ifndef __LINUX_RCUPREEMPT_H +#define __LINUX_RCUPREEMPT_H + +#ifdef __KERNEL__ + +#include <linux/cache.h> +#include <linux/spinlock.h> +#include <linux/threads.h> +#include <linux/percpu.h> +#include <linux/cpumask.h> +#include <linux/seqlock.h> + +#define rcu_qsctr_inc(cpu) +#define rcu_bh_qsctr_inc(cpu) +#define call_rcu_bh(head, rcu) call_rcu(head, rcu) + +extern void __rcu_read_lock(void); +extern void __rcu_read_unlock(void); +extern int rcu_pending(int cpu); +extern int rcu_needs_cpu(int cpu); + +#define __rcu_read_lock_bh() { rcu_read_lock(); local_bh_disable(); } +#define __rcu_read_unlock_bh() { local_bh_enable(); rcu_read_unlock(); } + +extern void __synchronize_sched(void); + +extern void __rcu_init(void); +extern void rcu_check_callbacks(int cpu, int user); +extern void rcu_restart_cpu(int cpu); +extern long rcu_batches_completed(void); + +/* + * Return the number of RCU batches processed thus far. Useful for debug + * and statistic. The _bh variant is identifcal to straight RCU + */ +static inline long rcu_batches_completed_bh(void) +{ + return rcu_batches_completed(); +} + +#ifdef CONFIG_RCU_TRACE +struct rcupreempt_trace; +extern long *rcupreempt_flipctr(int cpu); +extern long rcupreempt_data_completed(void); +extern int rcupreempt_flip_flag(int cpu); +extern int rcupreempt_mb_flag(int cpu); +extern char *rcupreempt_try_flip_state_name(void); +extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu); +#endif + +struct softirq_action; + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUPREEMPT_H */ diff --git a/include/linux/rcupreempt_trace.h b/include/linux/rcupreempt_trace.h new file mode 100644 index 00000000000..21cd6b2a5c4 --- /dev/null +++ b/include/linux/rcupreempt_trace.h @@ -0,0 +1,99 @@ +/* + * Read-Copy Update mechanism for mutual exclusion (RT implementation) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) IBM Corporation, 2006 + * + * Author: Paul McKenney <paulmck@us.ibm.com> + * + * Based on the original work by Paul McKenney <paul.mckenney@us.ibm.com> + * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen. + * Papers: + * http://www.rdrop.com/users/paulmck/paper/rclockpdcsproof.pdf + * http://lse.sourceforge.net/locking/rclock_OLS.2001.05.01c.sc.pdf (OLS2001) + * + * For detailed explanation of the Preemptible Read-Copy Update mechanism see - + * http://lwn.net/Articles/253651/ + */ + +#ifndef __LINUX_RCUPREEMPT_TRACE_H +#define __LINUX_RCUPREEMPT_TRACE_H + +#ifdef __KERNEL__ +#include <linux/types.h> +#include <linux/kernel.h> + +#include <asm/atomic.h> + +/* + * PREEMPT_RCU data structures. + */ + +struct rcupreempt_trace { + long next_length; + long next_add; + long wait_length; + long wait_add; + long done_length; + long done_add; + long done_remove; + atomic_t done_invoked; + long rcu_check_callbacks; + atomic_t rcu_try_flip_1; + atomic_t rcu_try_flip_e1; + long rcu_try_flip_i1; + long rcu_try_flip_ie1; + long rcu_try_flip_g1; + long rcu_try_flip_a1; + long rcu_try_flip_ae1; + long rcu_try_flip_a2; + long rcu_try_flip_z1; + long rcu_try_flip_ze1; + long rcu_try_flip_z2; + long rcu_try_flip_m1; + long rcu_try_flip_me1; + long rcu_try_flip_m2; +}; + +#ifdef CONFIG_RCU_TRACE +#define RCU_TRACE(fn, arg) fn(arg); +#else +#define RCU_TRACE(fn, arg) +#endif + +extern void rcupreempt_trace_move2done(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_move2wait(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_e1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_i1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ie1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_g1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_a1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ae1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_a2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_z1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_ze1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_z2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_m1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_me1(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_try_flip_m2(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_check_callbacks(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_done_remove(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_invoke(struct rcupreempt_trace *trace); +extern void rcupreempt_trace_next_add(struct rcupreempt_trace *trace); + +#endif /* __KERNEL__ */ +#endif /* __LINUX_RCUPREEMPT_TRACE_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index cc14656f868..df5b24ee80b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -78,7 +78,6 @@ struct sched_param { #include <linux/proportions.h> #include <linux/seccomp.h> #include <linux/rcupdate.h> -#include <linux/futex.h> #include <linux/rtmutex.h> #include <linux/time.h> @@ -88,11 +87,13 @@ struct sched_param { #include <linux/hrtimer.h> #include <linux/task_io_accounting.h> #include <linux/kobject.h> +#include <linux/latencytop.h> #include <asm/processor.h> struct exec_domain; struct futex_pi_state; +struct robust_list_head; struct bio; /* @@ -230,6 +231,8 @@ static inline int select_nohz_load_balancer(int cpu) } #endif +extern unsigned long rt_needs_cpu(int cpu); + /* * Only dump TASK_* tasks. (0 for all tasks) */ @@ -257,13 +260,19 @@ extern void trap_init(void); extern void account_process_tick(struct task_struct *task, int user); extern void update_process_times(int user); extern void scheduler_tick(void); +extern void hrtick_resched(void); + +extern void sched_show_task(struct task_struct *p); #ifdef CONFIG_DETECT_SOFTLOCKUP extern void softlockup_tick(void); extern void spawn_softlockup_task(void); extern void touch_softlockup_watchdog(void); extern void touch_all_softlockup_watchdogs(void); -extern int softlockup_thresh; +extern unsigned long softlockup_thresh; +extern unsigned long sysctl_hung_task_check_count; +extern unsigned long sysctl_hung_task_timeout_secs; +extern unsigned long sysctl_hung_task_warnings; #else static inline void softlockup_tick(void) { @@ -552,18 +561,13 @@ struct user_struct { #ifdef CONFIG_FAIR_USER_SCHED struct task_group *tg; #ifdef CONFIG_SYSFS - struct kset kset; - struct subsys_attribute user_attr; + struct kobject kobj; struct work_struct work; #endif #endif }; -#ifdef CONFIG_FAIR_USER_SCHED -extern int uids_kobject_init(void); -#else -static inline int uids_kobject_init(void) { return 0; } -#endif +extern int uids_sysfs_init(void); extern struct user_struct *find_user(uid_t); @@ -827,6 +831,7 @@ struct sched_class { void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup); void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep); void (*yield_task) (struct rq *rq); + int (*select_task_rq)(struct task_struct *p, int sync); void (*check_preempt_curr) (struct rq *rq, struct task_struct *p); @@ -842,11 +847,25 @@ struct sched_class { int (*move_one_task) (struct rq *this_rq, int this_cpu, struct rq *busiest, struct sched_domain *sd, enum cpu_idle_type idle); + void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); + void (*post_schedule) (struct rq *this_rq); + void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); #endif void (*set_curr_task) (struct rq *rq); - void (*task_tick) (struct rq *rq, struct task_struct *p); + void (*task_tick) (struct rq *rq, struct task_struct *p, int queued); void (*task_new) (struct rq *rq, struct task_struct *p); + void (*set_cpus_allowed)(struct task_struct *p, cpumask_t *newmask); + + void (*join_domain)(struct rq *rq); + void (*leave_domain)(struct rq *rq); + + void (*switched_from) (struct rq *this_rq, struct task_struct *task, + int running); + void (*switched_to) (struct rq *this_rq, struct task_struct *task, + int running); + void (*prio_changed) (struct rq *this_rq, struct task_struct *task, + int oldprio, int running); }; struct load_weight { @@ -876,6 +895,8 @@ struct sched_entity { #ifdef CONFIG_SCHEDSTATS u64 wait_start; u64 wait_max; + u64 wait_count; + u64 wait_sum; u64 sleep_start; u64 sleep_max; @@ -914,6 +935,21 @@ struct sched_entity { #endif }; +struct sched_rt_entity { + struct list_head run_list; + unsigned int time_slice; + unsigned long timeout; + int nr_cpus_allowed; + +#ifdef CONFIG_FAIR_GROUP_SCHED + struct sched_rt_entity *parent; + /* rq on which this entity is (to be) queued: */ + struct rt_rq *rt_rq; + /* rq "owned" by this entity/group: */ + struct rt_rq *my_q; +#endif +}; + struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ void *stack; @@ -930,9 +966,9 @@ struct task_struct { #endif int prio, static_prio, normal_prio; - struct list_head run_list; const struct sched_class *sched_class; struct sched_entity se; + struct sched_rt_entity rt; #ifdef CONFIG_PREEMPT_NOTIFIERS /* list of struct preempt_notifier: */ @@ -956,7 +992,11 @@ struct task_struct { unsigned int policy; cpumask_t cpus_allowed; - unsigned int time_slice; + +#ifdef CONFIG_PREEMPT_RCU + int rcu_read_lock_nesting; + int rcu_flipctr_idx; +#endif /* #ifdef CONFIG_PREEMPT_RCU */ #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) struct sched_info sched_info; @@ -1046,6 +1086,11 @@ struct task_struct { /* ipc stuff */ struct sysv_sem sysvsem; #endif +#ifdef CONFIG_DETECT_SOFTLOCKUP +/* hung task detection */ + unsigned long last_switch_timestamp; + unsigned long last_switch_count; +#endif /* CPU-specific state of this task */ struct thread_struct thread; /* filesystem information */ @@ -1178,6 +1223,10 @@ struct task_struct { int make_it_fail; #endif struct prop_local_single dirties; +#ifdef CONFIG_LATENCYTOP + int latency_record_count; + struct latency_record latency_record[LT_SAVECOUNT]; +#endif }; /* @@ -1458,6 +1507,12 @@ extern unsigned int sysctl_sched_child_runs_first; extern unsigned int sysctl_sched_features; extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_nr_migrate; +extern unsigned int sysctl_sched_rt_period; +extern unsigned int sysctl_sched_rt_ratio; +#if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP) +extern unsigned int sysctl_sched_min_bal_int_shares; +extern unsigned int sysctl_sched_max_bal_int_shares; +#endif int sched_nr_latency_handler(struct ctl_table *table, int write, struct file *file, void __user *buffer, size_t *length, @@ -1850,7 +1905,18 @@ static inline int need_resched(void) * cond_resched_lock() will drop the spinlock before scheduling, * cond_resched_softirq() will enable bhs before scheduling. */ -extern int cond_resched(void); +#ifdef CONFIG_PREEMPT +static inline int cond_resched(void) +{ + return 0; +} +#else +extern int _cond_resched(void); +static inline int cond_resched(void) +{ + return _cond_resched(); +} +#endif extern int cond_resched_lock(spinlock_t * lock); extern int cond_resched_softirq(void); diff --git a/include/linux/security.h b/include/linux/security.h index ac050830a87..d24974262dc 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -34,6 +34,12 @@ #include <linux/xfrm.h> #include <net/flow.h> +/* only a char in selinux superblock security struct flags */ +#define FSCONTEXT_MNT 0x01 +#define CONTEXT_MNT 0x02 +#define ROOTCONTEXT_MNT 0x04 +#define DEFCONTEXT_MNT 0x08 + /* * Bounding set */ @@ -243,9 +249,6 @@ struct request_sock; * @mnt contains the mounted file system. * @flags contains the new filesystem flags. * @data contains the filesystem-specific data. - * @sb_post_mountroot: - * Update the security module's state when the root filesystem is mounted. - * This hook is only called if the mount was successful. * @sb_post_addmount: * Update the security module's state when a filesystem is mounted. * This hook is called any time a mount is successfully grafetd to @@ -261,6 +264,22 @@ struct request_sock; * Update module state after a successful pivot. * @old_nd contains the nameidata structure for the old root. * @new_nd contains the nameidata structure for the new root. + * @sb_get_mnt_opts: + * Get the security relevant mount options used for a superblock + * @sb the superblock to get security mount options from + * @mount_options array for pointers to mount options + * @mount_flags array of ints specifying what each mount options is + * @num_opts number of options in the arrays + * @sb_set_mnt_opts: + * Set the security relevant mount options used for a superblock + * @sb the superblock to set security mount options for + * @mount_options array for pointers to mount options + * @mount_flags array of ints specifying what each mount options is + * @num_opts number of options in the arrays + * @sb_clone_mnt_opts: + * Copy all security options from a given superblock to another + * @oldsb old superblock which contain information to clone + * @newsb new superblock which needs filled in * * Security hooks for inode operations. * @@ -1183,6 +1202,10 @@ struct request_sock; * Convert secid to security context. * @secid contains the security ID. * @secdata contains the pointer that stores the converted security context. + * @secctx_to_secid: + * Convert security context to secid. + * @secid contains the pointer to the generated security ID. + * @secdata contains the security context. * * @release_secctx: * Release the security context. @@ -1235,13 +1258,19 @@ struct security_operations { void (*sb_umount_busy) (struct vfsmount * mnt); void (*sb_post_remount) (struct vfsmount * mnt, unsigned long flags, void *data); - void (*sb_post_mountroot) (void); void (*sb_post_addmount) (struct vfsmount * mnt, struct nameidata * mountpoint_nd); int (*sb_pivotroot) (struct nameidata * old_nd, struct nameidata * new_nd); void (*sb_post_pivotroot) (struct nameidata * old_nd, struct nameidata * new_nd); + int (*sb_get_mnt_opts) (const struct super_block *sb, + char ***mount_options, int **flags, + int *num_opts); + int (*sb_set_mnt_opts) (struct super_block *sb, char **mount_options, + int *flags, int num_opts); + void (*sb_clone_mnt_opts) (const struct super_block *oldsb, + struct super_block *newsb); int (*inode_alloc_security) (struct inode *inode); void (*inode_free_security) (struct inode *inode); @@ -1371,6 +1400,7 @@ struct security_operations { int (*getprocattr)(struct task_struct *p, char *name, char **value); int (*setprocattr)(struct task_struct *p, char *name, void *value, size_t size); int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen); + int (*secctx_to_secid)(char *secdata, u32 seclen, u32 *secid); void (*release_secctx)(char *secdata, u32 seclen); #ifdef CONFIG_SECURITY_NETWORK @@ -1495,10 +1525,16 @@ int security_sb_umount(struct vfsmount *mnt, int flags); void security_sb_umount_close(struct vfsmount *mnt); void security_sb_umount_busy(struct vfsmount *mnt); void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data); -void security_sb_post_mountroot(void); void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd); int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd); void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd); +int security_sb_get_mnt_opts(const struct super_block *sb, char ***mount_options, + int **flags, int *num_opts); +int security_sb_set_mnt_opts(struct super_block *sb, char **mount_options, + int *flags, int num_opts); +void security_sb_clone_mnt_opts(const struct super_block *oldsb, + struct super_block *newsb); + int security_inode_alloc(struct inode *inode); void security_inode_free(struct inode *inode); int security_inode_init_security(struct inode *inode, struct inode *dir, @@ -1603,6 +1639,7 @@ int security_setprocattr(struct task_struct *p, char *name, void *value, size_t int security_netlink_send(struct sock *sk, struct sk_buff *skb); int security_netlink_recv(struct sk_buff *skb, int cap); int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen); +int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid); void security_release_secctx(char *secdata, u32 seclen); #else /* CONFIG_SECURITY */ @@ -1777,9 +1814,6 @@ static inline void security_sb_post_remount (struct vfsmount *mnt, unsigned long flags, void *data) { } -static inline void security_sb_post_mountroot (void) -{ } - static inline void security_sb_post_addmount (struct vfsmount *mnt, struct nameidata *mountpoint_nd) { } @@ -2266,7 +2300,7 @@ static inline struct dentry *securityfs_create_file(const char *name, mode_t mode, struct dentry *parent, void *data, - struct file_operations *fops) + const struct file_operations *fops) { return ERR_PTR(-ENODEV); } @@ -2280,6 +2314,13 @@ static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *secle return -EOPNOTSUPP; } +static inline int security_secctx_to_secid(char *secdata, + u32 seclen, + u32 *secid) +{ + return -EOPNOTSUPP; +} + static inline void security_release_secctx(char *secdata, u32 seclen) { } diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h index 58962c51dee..aab3a4cff4e 100644 --- a/include/linux/smp_lock.h +++ b/include/linux/smp_lock.h @@ -17,22 +17,10 @@ extern void __lockfunc __release_kernel_lock(void); __release_kernel_lock(); \ } while (0) -/* - * Non-SMP kernels will never block on the kernel lock, - * so we are better off returning a constant zero from - * reacquire_kernel_lock() so that the compiler can see - * it at compile-time. - */ -#if defined(CONFIG_SMP) && !defined(CONFIG_PREEMPT_BKL) -# define return_value_on_smp return -#else -# define return_value_on_smp -#endif - static inline int reacquire_kernel_lock(struct task_struct *task) { if (unlikely(task->lock_depth >= 0)) - return_value_on_smp __reacquire_kernel_lock(); + return __reacquire_kernel_lock(); return 0; } diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h index e7fa657d0c4..5da9794b2d7 100644 --- a/include/linux/stacktrace.h +++ b/include/linux/stacktrace.h @@ -9,10 +9,13 @@ struct stack_trace { }; extern void save_stack_trace(struct stack_trace *trace); +extern void save_stack_trace_tsk(struct task_struct *tsk, + struct stack_trace *trace); extern void print_stack_trace(struct stack_trace *trace, int spaces); #else # define save_stack_trace(trace) do { } while (0) +# define save_stack_trace_tsk(tsk, trace) do { } while (0) # define print_stack_trace(trace, spaces) do { } while (0) #endif diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h index e285746588d..f752e73bf97 100644 --- a/include/linux/sysdev.h +++ b/include/linux/sysdev.h @@ -29,6 +29,7 @@ struct sys_device; struct sysdev_class { + const char *name; struct list_head drivers; /* Default operations for these types of devices */ diff --git a/include/linux/tifm.h b/include/linux/tifm.h index 6b3a31805c7..2096b76d0ce 100644 --- a/include/linux/tifm.h +++ b/include/linux/tifm.h @@ -120,7 +120,7 @@ struct tifm_adapter { struct completion *finish_me; struct work_struct media_switcher; - struct class_device cdev; + struct device dev; void (*eject)(struct tifm_adapter *fm, struct tifm_dev *sock); diff --git a/include/linux/topology.h b/include/linux/topology.h index 47729f18bfd..2352f46160d 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -5,7 +5,7 @@ * * Copyright (C) 2002, IBM Corp. * - * All rights reserved. + * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -103,6 +103,7 @@ .forkexec_idx = 0, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | SD_WAKE_IDLE \ @@ -134,6 +135,7 @@ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | SD_WAKE_IDLE \ @@ -165,6 +167,7 @@ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ | BALANCE_FOR_PKG_POWER,\ diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h index 44c28e94df5..973386d439d 100644 --- a/include/linux/uio_driver.h +++ b/include/linux/uio_driver.h @@ -18,20 +18,22 @@ #include <linux/fs.h> #include <linux/interrupt.h> +struct uio_map; + /** * struct uio_mem - description of a UIO memory region - * @kobj: kobject for this mapping * @addr: address of the device's memory * @size: size of IO * @memtype: type of memory addr points to * @internal_addr: ioremap-ped version of addr, for driver internal use + * @map: for use by the UIO core only. */ struct uio_mem { - struct kobject kobj; unsigned long addr; unsigned long size; int memtype; void __iomem *internal_addr; + struct uio_map *map; }; #define MAX_UIO_MAPS 5 |