diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/backlight.h | 10 | ||||
-rw-r--r-- | include/linux/binfmts.h | 2 | ||||
-rw-r--r-- | include/linux/compat.h | 3 | ||||
-rw-r--r-- | include/linux/compiler.h | 2 | ||||
-rw-r--r-- | include/linux/exportfs.h | 2 | ||||
-rw-r--r-- | include/linux/fs.h | 16 | ||||
-rw-r--r-- | include/linux/ftrace.h | 4 | ||||
-rw-r--r-- | include/linux/init.h | 40 | ||||
-rw-r--r-- | include/linux/kernel.h | 33 | ||||
-rw-r--r-- | include/linux/percpu-rwsem.h | 91 | ||||
-rw-r--r-- | include/linux/platform_data/lp855x.h | 9 | ||||
-rw-r--r-- | include/linux/proc_fs.h | 3 | ||||
-rw-r--r-- | include/linux/ptrace.h | 2 | ||||
-rw-r--r-- | include/linux/random.h | 19 | ||||
-rw-r--r-- | include/linux/sched.h | 6 | ||||
-rw-r--r-- | include/linux/string.h | 11 | ||||
-rw-r--r-- | include/linux/syscalls.h | 4 |
17 files changed, 135 insertions, 122 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 5ffc6dd..da9a082 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -134,4 +134,14 @@ struct generic_bl_info { void (*kick_battery)(void); }; +#ifdef CONFIG_OF +struct backlight_device *of_find_backlight_by_node(struct device_node *node); +#else +static inline struct backlight_device * +of_find_backlight_by_node(struct device_node *node) +{ + return NULL; +} +#endif + #endif diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 2630c9b..a4c2b56 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -54,8 +54,6 @@ struct linux_binprm { #define BINPRM_FLAGS_EXECFD_BIT 1 #define BINPRM_FLAGS_EXECFD (1 << BINPRM_FLAGS_EXECFD_BIT) -#define BINPRM_MAX_RECURSION 4 - /* Function parameter for binfmt->coredump */ struct coredump_params { siginfo_t *siginfo; diff --git a/include/linux/compat.h b/include/linux/compat.h index 784ebfe..e4920bd 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -588,6 +588,9 @@ asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid, asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, compat_size_t count); +asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, + struct compat_timespec __user *interval); + #else #define is_compat_task() (0) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index f430e41..b121554 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -10,6 +10,7 @@ # define __force __attribute__((force)) # define __nocast __attribute__((nocast)) # define __iomem __attribute__((noderef, address_space(2))) +# define __must_hold(x) __attribute__((context(x,1,1))) # define __acquires(x) __attribute__((context(x,0,1))) # define __releases(x) __attribute__((context(x,1,0))) # define __acquire(x) __context__(x,1) @@ -33,6 +34,7 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __chk_user_ptr(x) (void)0 # define __chk_io_ptr(x) (void)0 # define __builtin_warning(x, y...) (1) +# define __must_hold(x) # define __acquires(x) # define __releases(x) # define __acquire(x) (void)0 diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 12291a7..c7e6b63 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -177,6 +177,8 @@ struct export_operations { int (*commit_metadata)(struct inode *inode); }; +extern int exportfs_encode_inode_fh(struct inode *inode, struct fid *fid, + int *max_len, struct inode *parent); extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid, int *max_len, int connectable); extern struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid, diff --git a/include/linux/fs.h b/include/linux/fs.h index 035521b..a823d4b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -44,6 +44,7 @@ struct vm_area_struct; struct vfsmount; struct cred; struct swap_info_struct; +struct seq_file; extern void __init inode_init(void); extern void __init inode_init_early(void); @@ -1543,6 +1544,7 @@ struct file_operations { int (*setlease)(struct file *, long, struct file_lock **); long (*fallocate)(struct file *file, int mode, loff_t offset, loff_t len); + int (*show_fdinfo)(struct seq_file *m, struct file *f); }; struct inode_operations { @@ -1578,8 +1580,6 @@ struct inode_operations { umode_t create_mode, int *opened); } ____cacheline_aligned; -struct seq_file; - ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector, unsigned long nr_segs, unsigned long fast_segs, struct iovec *fast_pointer, @@ -2288,9 +2288,9 @@ extern ino_t find_inode_number(struct dentry *, struct qstr *); #include <linux/err.h> /* needed for stackable file system support */ -extern loff_t default_llseek(struct file *file, loff_t offset, int origin); +extern loff_t default_llseek(struct file *file, loff_t offset, int whence); -extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin); +extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence); extern int inode_init_always(struct super_block *, struct inode *); extern void inode_init_once(struct inode *); @@ -2398,11 +2398,11 @@ extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out, extern void file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); -extern loff_t noop_llseek(struct file *file, loff_t offset, int origin); -extern loff_t no_llseek(struct file *file, loff_t offset, int origin); -extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin); +extern loff_t noop_llseek(struct file *file, loff_t offset, int whence); +extern loff_t no_llseek(struct file *file, loff_t offset, int whence); +extern loff_t generic_file_llseek(struct file *file, loff_t offset, int whence); extern loff_t generic_file_llseek_size(struct file *file, loff_t offset, - int origin, loff_t maxsize, loff_t eof); + int whence, loff_t maxsize, loff_t eof); extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index a52f2f4..92691d8 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -394,7 +394,7 @@ ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos); -loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int origin); +loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int whence); int ftrace_regex_release(struct inode *inode, struct file *file); void __init @@ -559,7 +559,7 @@ static inline ssize_t ftrace_filter_write(struct file *file, const char __user * size_t cnt, loff_t *ppos) { return -ENODEV; } static inline ssize_t ftrace_notrace_write(struct file *file, const char __user *ubuf, size_t cnt, loff_t *ppos) { return -ENODEV; } -static inline loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int origin) +static inline loff_t ftrace_regex_lseek(struct file *file, loff_t offset, int whence) { return -ENODEV; } diff --git a/include/linux/init.h b/include/linux/init.h index f63692d..a799273 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -182,16 +182,16 @@ extern bool initcall_debug; * can point at the same handler without causing duplicate-symbol build errors. */ -#define __define_initcall(level,fn,id) \ +#define __define_initcall(fn, id) \ static initcall_t __initcall_##fn##id __used \ - __attribute__((__section__(".initcall" level ".init"))) = fn + __attribute__((__section__(".initcall" #id ".init"))) = fn /* * Early initcalls run before initializing SMP. * * Only for built-in code, not modules. */ -#define early_initcall(fn) __define_initcall("early",fn,early) +#define early_initcall(fn) __define_initcall(fn, early) /* * A "pure" initcall has no dependencies on anything else, and purely @@ -200,23 +200,23 @@ extern bool initcall_debug; * This only exists for built-in code, not for modules. * Keep main.c:initcall_level_names[] in sync. */ -#define pure_initcall(fn) __define_initcall("0",fn,0) - -#define core_initcall(fn) __define_initcall("1",fn,1) -#define core_initcall_sync(fn) __define_initcall("1s",fn,1s) -#define postcore_initcall(fn) __define_initcall("2",fn,2) -#define postcore_initcall_sync(fn) __define_initcall("2s",fn,2s) -#define arch_initcall(fn) __define_initcall("3",fn,3) -#define arch_initcall_sync(fn) __define_initcall("3s",fn,3s) -#define subsys_initcall(fn) __define_initcall("4",fn,4) -#define subsys_initcall_sync(fn) __define_initcall("4s",fn,4s) -#define fs_initcall(fn) __define_initcall("5",fn,5) -#define fs_initcall_sync(fn) __define_initcall("5s",fn,5s) -#define rootfs_initcall(fn) __define_initcall("rootfs",fn,rootfs) -#define device_initcall(fn) __define_initcall("6",fn,6) -#define device_initcall_sync(fn) __define_initcall("6s",fn,6s) -#define late_initcall(fn) __define_initcall("7",fn,7) -#define late_initcall_sync(fn) __define_initcall("7s",fn,7s) +#define pure_initcall(fn) __define_initcall(fn, 0) + +#define core_initcall(fn) __define_initcall(fn, 1) +#define core_initcall_sync(fn) __define_initcall(fn, 1s) +#define postcore_initcall(fn) __define_initcall(fn, 2) +#define postcore_initcall_sync(fn) __define_initcall(fn, 2s) +#define arch_initcall(fn) __define_initcall(fn, 3) +#define arch_initcall_sync(fn) __define_initcall(fn, 3s) +#define subsys_initcall(fn) __define_initcall(fn, 4) +#define subsys_initcall_sync(fn) __define_initcall(fn, 4s) +#define fs_initcall(fn) __define_initcall(fn, 5) +#define fs_initcall_sync(fn) __define_initcall(fn, 5s) +#define rootfs_initcall(fn) __define_initcall(fn, rootfs) +#define device_initcall(fn) __define_initcall(fn, 6) +#define device_initcall_sync(fn) __define_initcall(fn, 6s) +#define late_initcall(fn) __define_initcall(fn, 7) +#define late_initcall_sync(fn) __define_initcall(fn, 7s) #define __initcall(fn) device_initcall(fn) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d97ed58..d140e8f 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -220,6 +220,23 @@ int __must_check _kstrtol(const char *s, unsigned int base, long *res); int __must_check kstrtoull(const char *s, unsigned int base, unsigned long long *res); int __must_check kstrtoll(const char *s, unsigned int base, long long *res); + +/** + * kstrtoul - convert a string to an unsigned long + * @s: The start of the string. The string must be null-terminated, and may also + * include a single newline before its terminating null. The first character + * may also be a plus sign, but not a minus sign. + * @base: The number base to use. The maximum supported base is 16. If base is + * given as 0, then the base of the string is automatically detected with the + * conventional semantics - If it begins with 0x the number will be parsed as a + * hexadecimal (case insensitive), if it otherwise begins with 0, it will be + * parsed as an octal number. Otherwise it will be parsed as a decimal. + * @res: Where to write the result of the conversion on success. + * + * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. + * Used as a replacement for the obsolete simple_strtoull. Return code must + * be checked. +*/ static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) { /* @@ -233,6 +250,22 @@ static inline int __must_check kstrtoul(const char *s, unsigned int base, unsign return _kstrtoul(s, base, res); } +/** + * kstrtol - convert a string to a long + * @s: The start of the string. The string must be null-terminated, and may also + * include a single newline before its terminating null. The first character + * may also be a plus sign or a minus sign. + * @base: The number base to use. The maximum supported base is 16. If base is + * given as 0, then the base of the string is automatically detected with the + * conventional semantics - If it begins with 0x the number will be parsed as a + * hexadecimal (case insensitive), if it otherwise begins with 0, it will be + * parsed as an octal number. Otherwise it will be parsed as a decimal. + * @res: Where to write the result of the conversion on success. + * + * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. + * Used as a replacement for the obsolete simple_strtoull. Return code must + * be checked. + */ static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) { /* diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index bd1e860..3e88c9a 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -1,83 +1,34 @@ #ifndef _LINUX_PERCPU_RWSEM_H #define _LINUX_PERCPU_RWSEM_H -#include <linux/mutex.h> +#include <linux/atomic.h> +#include <linux/rwsem.h> #include <linux/percpu.h> -#include <linux/rcupdate.h> -#include <linux/delay.h> +#include <linux/wait.h> +#include <linux/lockdep.h> struct percpu_rw_semaphore { - unsigned __percpu *counters; - bool locked; - struct mutex mtx; + unsigned int __percpu *fast_read_ctr; + atomic_t write_ctr; + struct rw_semaphore rw_sem; + atomic_t slow_read_ctr; + wait_queue_head_t write_waitq; }; -#define light_mb() barrier() -#define heavy_mb() synchronize_sched_expedited() +extern void percpu_down_read(struct percpu_rw_semaphore *); +extern void percpu_up_read(struct percpu_rw_semaphore *); -static inline void percpu_down_read(struct percpu_rw_semaphore *p) -{ - rcu_read_lock_sched(); - if (unlikely(p->locked)) { - rcu_read_unlock_sched(); - mutex_lock(&p->mtx); - this_cpu_inc(*p->counters); - mutex_unlock(&p->mtx); - return; - } - this_cpu_inc(*p->counters); - rcu_read_unlock_sched(); - light_mb(); /* A, between read of p->locked and read of data, paired with D */ -} +extern void percpu_down_write(struct percpu_rw_semaphore *); +extern void percpu_up_write(struct percpu_rw_semaphore *); -static inline void percpu_up_read(struct percpu_rw_semaphore *p) -{ - light_mb(); /* B, between read of the data and write to p->counter, paired with C */ - this_cpu_dec(*p->counters); -} +extern int __percpu_init_rwsem(struct percpu_rw_semaphore *, + const char *, struct lock_class_key *); +extern void percpu_free_rwsem(struct percpu_rw_semaphore *); -static inline unsigned __percpu_count(unsigned __percpu *counters) -{ - unsigned total = 0; - int cpu; - - for_each_possible_cpu(cpu) - total += ACCESS_ONCE(*per_cpu_ptr(counters, cpu)); - - return total; -} - -static inline void percpu_down_write(struct percpu_rw_semaphore *p) -{ - mutex_lock(&p->mtx); - p->locked = true; - synchronize_sched_expedited(); /* make sure that all readers exit the rcu_read_lock_sched region */ - while (__percpu_count(p->counters)) - msleep(1); - heavy_mb(); /* C, between read of p->counter and write to data, paired with B */ -} - -static inline void percpu_up_write(struct percpu_rw_semaphore *p) -{ - heavy_mb(); /* D, between write to data and write to p->locked, paired with A */ - p->locked = false; - mutex_unlock(&p->mtx); -} - -static inline int percpu_init_rwsem(struct percpu_rw_semaphore *p) -{ - p->counters = alloc_percpu(unsigned); - if (unlikely(!p->counters)) - return -ENOMEM; - p->locked = false; - mutex_init(&p->mtx); - return 0; -} - -static inline void percpu_free_rwsem(struct percpu_rw_semaphore *p) -{ - free_percpu(p->counters); - p->counters = NULL; /* catch use after free bugs */ -} +#define percpu_init_rwsem(brw) \ +({ \ + static struct lock_class_key rwsem_key; \ + __percpu_init_rwsem(brw, #brw, &rwsem_key); \ +}) #endif diff --git a/include/linux/platform_data/lp855x.h b/include/linux/platform_data/lp855x.h index 761f317..e81f62d 100644 --- a/include/linux/platform_data/lp855x.h +++ b/include/linux/platform_data/lp855x.h @@ -89,11 +89,6 @@ enum lp8556_brightness_source { LP8556_COMBINED2, /* pwm + i2c after the shaper block */ }; -struct lp855x_pwm_data { - void (*pwm_set_intensity) (int brightness, int max_brightness); - int (*pwm_get_intensity) (int max_brightness); -}; - struct lp855x_rom_data { u8 addr; u8 val; @@ -105,7 +100,7 @@ struct lp855x_rom_data { * @mode : brightness control by pwm or lp855x register * @device_control : value of DEVICE CONTROL register * @initial_brightness : initial value of backlight brightness - * @pwm_data : platform specific pwm generation functions. + * @period_ns : platform specific pwm period value. unit is nano. Only valid when mode is PWM_BASED. * @load_new_rom_data : 0 : use default configuration data @@ -118,7 +113,7 @@ struct lp855x_platform_data { enum lp855x_brightness_ctrl_mode mode; u8 device_control; int initial_brightness; - struct lp855x_pwm_data pwm_data; + unsigned int period_ns; u8 load_new_rom_data; int size_program; struct lp855x_rom_data *rom_data; diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 2e24018..32676b3 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -314,4 +314,7 @@ static inline struct net *PDE_NET(struct proc_dir_entry *pde) return pde->parent->data; } +#include <linux/signal.h> + +void render_sigset_t(struct seq_file *m, const char *header, sigset_t *set); #endif /* _LINUX_PROC_FS_H */ diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index a89ff04..addfbe7 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -32,6 +32,8 @@ #define PT_TRACE_EXIT PT_EVENT_FLAG(PTRACE_EVENT_EXIT) #define PT_TRACE_SECCOMP PT_EVENT_FLAG(PTRACE_EVENT_SECCOMP) +#define PT_EXITKILL (PTRACE_O_EXITKILL << PT_OPT_FLAG_SHIFT) + /* single stepping state bits (used on ARM and PA-RISC) */ #define PT_SINGLESTEP_BIT 31 #define PT_SINGLESTEP (1<<PT_SINGLESTEP_BIT) diff --git a/include/linux/random.h b/include/linux/random.h index 6330ed4..d984608 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -25,10 +25,19 @@ extern const struct file_operations random_fops, urandom_fops; unsigned int get_random_int(void); unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len); -u32 random32(void); -void srandom32(u32 seed); +u32 prandom_u32(void); +void prandom_bytes(void *buf, int nbytes); +void prandom_seed(u32 seed); -u32 prandom32(struct rnd_state *); +/* + * These macros are preserved for backward compatibility and should be + * removed as soon as a transition is finished. + */ +#define random32() prandom_u32() +#define srandom32(seed) prandom_seed(seed) + +u32 prandom_u32_state(struct rnd_state *); +void prandom_bytes_state(struct rnd_state *state, void *buf, int nbytes); /* * Handle minimum values for seeds @@ -39,11 +48,11 @@ static inline u32 __seed(u32 x, u32 m) } /** - * prandom32_seed - set seed for prandom32(). + * prandom_seed_state - set seed for prandom_u32_state(). * @state: pointer to state structure to receive the seed. * @seed: arbitrary 64-bit value to use as a seed. */ -static inline void prandom32_seed(struct rnd_state *state, u64 seed) +static inline void prandom_seed_state(struct rnd_state *state, u64 seed) { u32 i = (seed >> 32) ^ (seed << 10) ^ seed; diff --git a/include/linux/sched.h b/include/linux/sched.h index b089c92..9914c66 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1778,12 +1778,6 @@ static inline int is_global_init(struct task_struct *tsk) return tsk->pid == 1; } -/* - * is_container_init: - * check whether in the task is init in its own pid namespace. - */ -extern int is_container_init(struct task_struct *tsk); - extern struct pid *cad_pid; extern void free_task(struct task_struct *tsk); diff --git a/include/linux/string.h b/include/linux/string.h index 63012581..ac889c5 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -143,4 +143,15 @@ static inline bool strstarts(const char *str, const char *prefix) extern size_t memweight(const void *ptr, size_t bytes); +/** + * kbasename - return the last part of a pathname. + * + * @path: path to extract the filename from. + */ +static inline const char *kbasename(const char *path) +{ + const char *tail = strrchr(path, '/'); + return tail ? tail + 1 : path; +} + #endif /* _LINUX_STRING_H_ */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 91835e7..36c3b07 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -560,10 +560,10 @@ asmlinkage long sys_utime(char __user *filename, asmlinkage long sys_utimes(char __user *filename, struct timeval __user *utimes); asmlinkage long sys_lseek(unsigned int fd, off_t offset, - unsigned int origin); + unsigned int whence); asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, unsigned long offset_low, loff_t __user *result, - unsigned int origin); + unsigned int whence); asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count); asmlinkage long sys_readahead(int fd, loff_t offset, size_t count); asmlinkage long sys_readv(unsigned long fd, |