diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/Kbuild | 3 | ||||
| -rw-r--r-- | include/linux/cleancache.h | 4 | ||||
| -rw-r--r-- | include/linux/dmi.h | 2 | ||||
| -rw-r--r-- | include/linux/frontswap.h | 36 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 | ||||
| -rw-r--r-- | include/linux/kernel.h | 2 | ||||
| -rw-r--r-- | include/linux/kmod.h | 17 | ||||
| -rw-r--r-- | include/linux/kthread.h | 1 | ||||
| -rw-r--r-- | include/linux/memory.h | 2 | ||||
| -rw-r--r-- | include/linux/pid_namespace.h | 4 | ||||
| -rw-r--r-- | include/linux/printk.h | 15 | ||||
| -rw-r--r-- | include/linux/relay.h | 3 | ||||
| -rw-r--r-- | include/linux/sched.h | 19 | ||||
| -rw-r--r-- | include/linux/smp.h | 1 | ||||
| -rw-r--r-- | include/linux/string_helpers.h | 58 | ||||
| -rw-r--r-- | include/linux/workqueue.h | 5 | ||||
| -rw-r--r-- | include/scsi/Kbuild | 1 | ||||
| -rw-r--r-- | include/uapi/linux/ptrace.h | 12 | ||||
| -rw-r--r-- | include/xen/tmem.h | 8 |
19 files changed, 129 insertions, 66 deletions
diff --git a/include/Kbuild b/include/Kbuild index 1dfd33e8d43..bab1145bc7a 100644 --- a/include/Kbuild +++ b/include/Kbuild @@ -1,5 +1,2 @@ # Top-level Makefile calls into asm-$(ARCH) # List only non-arch directories below - -header-y += video/ -header-y += scsi/ diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h index 42e55deee75..4ce9056b31a 100644 --- a/include/linux/cleancache.h +++ b/include/linux/cleancache.h @@ -33,7 +33,7 @@ struct cleancache_ops { void (*invalidate_fs)(int); }; -extern struct cleancache_ops +extern struct cleancache_ops * cleancache_register_ops(struct cleancache_ops *ops); extern void __cleancache_init_fs(struct super_block *); extern void __cleancache_init_shared_fs(char *, struct super_block *); @@ -42,9 +42,9 @@ extern void __cleancache_put_page(struct page *); extern void __cleancache_invalidate_page(struct address_space *, struct page *); extern void __cleancache_invalidate_inode(struct address_space *); extern void __cleancache_invalidate_fs(struct super_block *); -extern int cleancache_enabled; #ifdef CONFIG_CLEANCACHE +#define cleancache_enabled (1) static inline bool cleancache_fs_enabled(struct page *page) { return page->mapping->host->i_sb->cleancache_poolid >= 0; diff --git a/include/linux/dmi.h b/include/linux/dmi.h index f156cca25ad..b6eb7a05d58 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -99,6 +99,7 @@ extern const char * dmi_get_system_info(int field); extern const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from); extern void dmi_scan_machine(void); +extern void dmi_set_dump_stack_arch_desc(void); extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp); extern int dmi_name_in_vendors(const char *str); extern int dmi_name_in_serial(const char *str); @@ -114,6 +115,7 @@ static inline const char * dmi_get_system_info(int field) { return NULL; } static inline const struct dmi_device * dmi_find_device(int type, const char *name, const struct dmi_device *from) { return NULL; } static inline void dmi_scan_machine(void) { return; } +static inline void dmi_set_dump_stack_arch_desc(void) { } static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp) { if (yearp) diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h index 30442547b9e..8293262401d 100644 --- a/include/linux/frontswap.h +++ b/include/linux/frontswap.h @@ -14,7 +14,7 @@ struct frontswap_ops { }; extern bool frontswap_enabled; -extern struct frontswap_ops +extern struct frontswap_ops * frontswap_register_ops(struct frontswap_ops *ops); extern void frontswap_shrink(unsigned long); extern unsigned long frontswap_curr_pages(void); @@ -22,33 +22,19 @@ extern void frontswap_writethrough(bool); #define FRONTSWAP_HAS_EXCLUSIVE_GETS extern void frontswap_tmem_exclusive_gets(bool); -extern void __frontswap_init(unsigned type); +extern bool __frontswap_test(struct swap_info_struct *, pgoff_t); +extern void __frontswap_init(unsigned type, unsigned long *map); extern int __frontswap_store(struct page *page); extern int __frontswap_load(struct page *page); extern void __frontswap_invalidate_page(unsigned, pgoff_t); extern void __frontswap_invalidate_area(unsigned); #ifdef CONFIG_FRONTSWAP +#define frontswap_enabled (1) static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset) { - bool ret = false; - - if (frontswap_enabled && sis->frontswap_map) - ret = test_bit(offset, sis->frontswap_map); - return ret; -} - -static inline void frontswap_set(struct swap_info_struct *sis, pgoff_t offset) -{ - if (frontswap_enabled && sis->frontswap_map) - set_bit(offset, sis->frontswap_map); -} - -static inline void frontswap_clear(struct swap_info_struct *sis, pgoff_t offset) -{ - if (frontswap_enabled && sis->frontswap_map) - clear_bit(offset, sis->frontswap_map); + return __frontswap_test(sis, offset); } static inline void frontswap_map_set(struct swap_info_struct *p, @@ -71,14 +57,6 @@ static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset) return false; } -static inline void frontswap_set(struct swap_info_struct *sis, pgoff_t offset) -{ -} - -static inline void frontswap_clear(struct swap_info_struct *sis, pgoff_t offset) -{ -} - static inline void frontswap_map_set(struct swap_info_struct *p, unsigned long *map) { @@ -120,10 +98,10 @@ static inline void frontswap_invalidate_area(unsigned type) __frontswap_invalidate_area(type); } -static inline void frontswap_init(unsigned type) +static inline void frontswap_init(unsigned type, unsigned long *map) { if (frontswap_enabled) - __frontswap_init(type); + __frontswap_init(type, map); } #endif /* _LINUX_FRONTSWAP_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 2c28271ab9d..17d8b159621 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -675,9 +675,11 @@ static inline loff_t i_size_read(const struct inode *inode) static inline void i_size_write(struct inode *inode, loff_t i_size) { #if BITS_PER_LONG==32 && defined(CONFIG_SMP) + preempt_disable(); write_seqcount_begin(&inode->i_size_seqcount); inode->i_size = i_size; write_seqcount_end(&inode->i_size_seqcount); + preempt_enable(); #elif BITS_PER_LONG==32 && defined(CONFIG_PREEMPT) preempt_disable(); inode->i_size = i_size; diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 2dac79c3919..6d1844f393c 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -798,6 +798,4 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { } # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD #endif -extern int do_sysinfo(struct sysinfo *info); - #endif diff --git a/include/linux/kmod.h b/include/linux/kmod.h index 5398d580707..0555cc66a15 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -67,16 +67,15 @@ struct subprocess_info { }; extern int -call_usermodehelper_fns(char *path, char **argv, char **envp, int wait, - int (*init)(struct subprocess_info *info, struct cred *new), - void (*cleanup)(struct subprocess_info *), void *data); +call_usermodehelper(char *path, char **argv, char **envp, int wait); -static inline int -call_usermodehelper(char *path, char **argv, char **envp, int wait) -{ - return call_usermodehelper_fns(path, argv, envp, wait, - NULL, NULL, NULL); -} +extern struct subprocess_info * +call_usermodehelper_setup(char *path, char **argv, char **envp, gfp_t gfp_mask, + int (*init)(struct subprocess_info *info, struct cred *new), + void (*cleanup)(struct subprocess_info *), void *data); + +extern int +call_usermodehelper_exec(struct subprocess_info *info, int wait); extern struct ctl_table usermodehelper_table[]; diff --git a/include/linux/kthread.h b/include/linux/kthread.h index 8d816646f76..7dcef331768 100644 --- a/include/linux/kthread.h +++ b/include/linux/kthread.h @@ -43,6 +43,7 @@ bool kthread_should_stop(void); bool kthread_should_park(void); bool kthread_freezable_should_stop(bool *was_frozen); void *kthread_data(struct task_struct *k); +void *probe_kthread_data(struct task_struct *k); int kthread_park(struct task_struct *k); void kthread_unpark(struct task_struct *k); void kthread_parkme(void); diff --git a/include/linux/memory.h b/include/linux/memory.h index 73817af8b48..85c31a8e290 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -137,7 +137,7 @@ enum mem_add_context { BOOT, HOTPLUG }; #define register_hotmemory_notifier(nb) register_memory_notifier(nb) #define unregister_hotmemory_notifier(nb) unregister_memory_notifier(nb) #else -#define hotplug_memory_notifier(fn, pri) (0) +#define hotplug_memory_notifier(fn, pri) ({ 0; }) /* These aren't inline functions due to a GCC bug. */ #define register_hotmemory_notifier(nb) ({ (void)(nb); 0; }) #define unregister_hotmemory_notifier(nb) ({ (void)(nb); }) diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index 215e5e3dda1..8ac32836690 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -13,7 +13,9 @@ struct pidmap { void *page; }; -#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8) +#define BITS_PER_PAGE (PAGE_SIZE * 8) +#define BITS_PER_PAGE_MASK (BITS_PER_PAGE-1) +#define PIDMAP_ENTRIES ((PID_MAX_LIMIT+BITS_PER_PAGE-1)/BITS_PER_PAGE) struct bsd_acct_struct; diff --git a/include/linux/printk.h b/include/linux/printk.h index 4890fe62c01..6af944ab38f 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -145,6 +145,9 @@ extern void wake_up_klogd(void); void log_buf_kexec_setup(void); void __init setup_log_buf(int early); +void dump_stack_set_arch_desc(const char *fmt, ...); +void dump_stack_print_info(const char *log_lvl); +void show_regs_print_info(const char *log_lvl); #else static inline __printf(1, 0) int vprintk(const char *s, va_list args) @@ -182,6 +185,18 @@ static inline void log_buf_kexec_setup(void) static inline void setup_log_buf(int early) { } + +static inline void dump_stack_set_arch_desc(const char *fmt, ...) +{ +} + +static inline void dump_stack_print_info(const char *log_lvl) +{ +} + +static inline void show_regs_print_info(const char *log_lvl) +{ +} #endif extern void dump_stack(void) __cold; diff --git a/include/linux/relay.h b/include/linux/relay.h index 91cacc34c15..d7c8359693c 100644 --- a/include/linux/relay.h +++ b/include/linux/relay.h @@ -20,9 +20,6 @@ #include <linux/poll.h> #include <linux/kref.h> -/* Needs a _much_ better name... */ -#define FIX_SIZE(x) ((((x) - 1) & PAGE_MASK) + PAGE_SIZE) - /* * Tracks changes to rchan/rchan_buf structs */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 54ddcb82cdd..6f950048b6e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -626,6 +626,7 @@ struct signal_struct { #define SIGNAL_STOP_STOPPED 0x00000001 /* job control stop in effect */ #define SIGNAL_STOP_CONTINUED 0x00000002 /* SIGCONT since WCONTINUED reap */ #define SIGNAL_GROUP_EXIT 0x00000004 /* group exit in progress */ +#define SIGNAL_GROUP_COREDUMP 0x00000008 /* coredump in progress */ /* * Pending notifications to parent. */ @@ -2248,27 +2249,18 @@ static inline void threadgroup_change_end(struct task_struct *tsk) * * Lock the threadgroup @tsk belongs to. No new task is allowed to enter * and member tasks aren't allowed to exit (as indicated by PF_EXITING) or - * perform exec. This is useful for cases where the threadgroup needs to - * stay stable across blockable operations. + * change ->group_leader/pid. This is useful for cases where the threadgroup + * needs to stay stable across blockable operations. * * fork and exit paths explicitly call threadgroup_change_{begin|end}() for * synchronization. While held, no new task will be added to threadgroup * and no existing live task will have its PF_EXITING set. * - * During exec, a task goes and puts its thread group through unusual - * changes. After de-threading, exclusive access is assumed to resources - * which are usually shared by tasks in the same group - e.g. sighand may - * be replaced with a new one. Also, the exec'ing task takes over group - * leader role including its pid. Exclude these changes while locked by - * grabbing cred_guard_mutex which is used to synchronize exec path. + * de_thread() does threadgroup_change_{begin|end}() when a non-leader + * sub-thread becomes a new leader. */ static inline void threadgroup_lock(struct task_struct *tsk) { - /* - * exec uses exit for de-threading nesting group_rwsem inside - * cred_guard_mutex. Grab cred_guard_mutex first. - */ - mutex_lock(&tsk->signal->cred_guard_mutex); down_write(&tsk->signal->group_rwsem); } @@ -2281,7 +2273,6 @@ static inline void threadgroup_lock(struct task_struct *tsk) static inline void threadgroup_unlock(struct task_struct *tsk) { up_write(&tsk->signal->group_rwsem); - mutex_unlock(&tsk->signal->cred_guard_mutex); } #else static inline void threadgroup_change_begin(struct task_struct *tsk) {} diff --git a/include/linux/smp.h b/include/linux/smp.h index 3e07a7df647..e6564c1dc55 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -20,7 +20,6 @@ struct call_single_data { smp_call_func_t func; void *info; u16 flags; - u16 priv; }; /* total number of cpus in this system (may exceed NR_CPUS) */ diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index a3eb2f65b65..3eeee9672a4 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -13,4 +13,62 @@ enum string_size_units { int string_get_size(u64 size, enum string_size_units units, char *buf, int len); +#define UNESCAPE_SPACE 0x01 +#define UNESCAPE_OCTAL 0x02 +#define UNESCAPE_HEX 0x04 +#define UNESCAPE_SPECIAL 0x08 +#define UNESCAPE_ANY \ + (UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_HEX | UNESCAPE_SPECIAL) + +/** + * string_unescape - unquote characters in the given string + * @src: source buffer (escaped) + * @dst: destination buffer (unescaped) + * @size: size of the destination buffer (0 to unlimit) + * @flags: combination of the flags (bitwise OR): + * %UNESCAPE_SPACE: + * '\f' - form feed + * '\n' - new line + * '\r' - carriage return + * '\t' - horizontal tab + * '\v' - vertical tab + * %UNESCAPE_OCTAL: + * '\NNN' - byte with octal value NNN (1 to 3 digits) + * %UNESCAPE_HEX: + * '\xHH' - byte with hexadecimal value HH (1 to 2 digits) + * %UNESCAPE_SPECIAL: + * '\"' - double quote + * '\\' - backslash + * '\a' - alert (BEL) + * '\e' - escape + * %UNESCAPE_ANY: + * all previous together + * + * Returns amount of characters processed to the destination buffer excluding + * trailing '\0'. + * + * Because the size of the output will be the same as or less than the size of + * the input, the transformation may be performed in place. + * + * Caller must provide valid source and destination pointers. Be aware that + * destination buffer will always be NULL-terminated. Source string must be + * NULL-terminated as well. + */ +int string_unescape(char *src, char *dst, size_t size, unsigned int flags); + +static inline int string_unescape_inplace(char *buf, unsigned int flags) +{ + return string_unescape(buf, buf, 0, flags); +} + +static inline int string_unescape_any(char *src, char *dst, size_t size) +{ + return string_unescape(src, dst, size, UNESCAPE_ANY); +} + +static inline int string_unescape_any_inplace(char *buf) +{ + return string_unescape_any(buf, buf, 0); +} + #endif diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 71797563937..623488fdc1f 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -92,6 +92,9 @@ enum { /* bit mask for work_busy() return values */ WORK_BUSY_PENDING = 1 << 0, WORK_BUSY_RUNNING = 1 << 1, + + /* maximum string length for set_worker_desc() */ + WORKER_DESC_LEN = 24, }; struct work_struct { @@ -447,6 +450,8 @@ extern void workqueue_set_max_active(struct workqueue_struct *wq, extern bool current_is_workqueue_rescuer(void); extern bool workqueue_congested(int cpu, struct workqueue_struct *wq); extern unsigned int work_busy(struct work_struct *work); +extern __printf(1, 2) void set_worker_desc(const char *fmt, ...); +extern void print_worker_info(const char *log_lvl, struct task_struct *task); /** * queue_work - queue work on a workqueue diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild deleted file mode 100644 index 562ff9d591b..00000000000 --- a/include/scsi/Kbuild +++ /dev/null @@ -1 +0,0 @@ -header-y += fc/ diff --git a/include/uapi/linux/ptrace.h b/include/uapi/linux/ptrace.h index 022ab186a81..52ebcc89f30 100644 --- a/include/uapi/linux/ptrace.h +++ b/include/uapi/linux/ptrace.h @@ -5,6 +5,7 @@ /* has the defines to get at the registers. */ +#include <linux/types.h> #define PTRACE_TRACEME 0 #define PTRACE_PEEKTEXT 1 @@ -52,6 +53,17 @@ #define PTRACE_INTERRUPT 0x4207 #define PTRACE_LISTEN 0x4208 +#define PTRACE_PEEKSIGINFO 0x4209 + +struct ptrace_peeksiginfo_args { + __u64 off; /* from which siginfo to start */ + __u32 flags; + __s32 nr; /* how may siginfos to take */ +}; + +/* Read signals from a shared (process wide) queue */ +#define PTRACE_PEEKSIGINFO_SHARED (1 << 0) + /* Wait extended result codes for the above trace options. */ #define PTRACE_EVENT_FORK 1 #define PTRACE_EVENT_VFORK 2 diff --git a/include/xen/tmem.h b/include/xen/tmem.h index 591550a22ac..3930a90045f 100644 --- a/include/xen/tmem.h +++ b/include/xen/tmem.h @@ -3,7 +3,15 @@ #include <linux/types.h> +#ifdef CONFIG_XEN_TMEM_MODULE +#define tmem_enabled true +#else /* defined in drivers/xen/tmem.c */ extern bool tmem_enabled; +#endif + +#ifdef CONFIG_XEN_SELFBALLOONING +extern int xen_selfballoon_init(bool, bool); +#endif #endif /* _XEN_TMEM_H */ |