diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/a.out.h | 2 | ||||
-rw-r--r-- | include/linux/blkdev.h | 6 | ||||
-rw-r--r-- | include/linux/bootmem.h | 4 | ||||
-rw-r--r-- | include/linux/cpu.h | 1 | ||||
-rw-r--r-- | include/linux/crash_dump.h | 18 | ||||
-rw-r--r-- | include/linux/dmi.h | 1 | ||||
-rw-r--r-- | include/linux/highmem.h | 1 | ||||
-rw-r--r-- | include/linux/init.h | 12 | ||||
-rw-r--r-- | include/linux/init_task.h | 1 | ||||
-rw-r--r-- | include/linux/kernel.h | 18 | ||||
-rw-r--r-- | include/linux/kexec.h | 135 | ||||
-rw-r--r-- | include/linux/list.h | 2 | ||||
-rw-r--r-- | include/linux/nvram.h | 2 | ||||
-rw-r--r-- | include/linux/pm.h | 33 | ||||
-rw-r--r-- | include/linux/proc_fs.h | 7 | ||||
-rw-r--r-- | include/linux/reboot.h | 4 | ||||
-rw-r--r-- | include/linux/sched.h | 38 | ||||
-rw-r--r-- | include/linux/suspend.h | 2 | ||||
-rw-r--r-- | include/linux/syscalls.h | 5 | ||||
-rw-r--r-- | include/linux/topology.h | 14 |
20 files changed, 263 insertions, 43 deletions
diff --git a/include/linux/a.out.h b/include/linux/a.out.h index af8a1dfa5c32..f913cc3e1b0d 100644 --- a/include/linux/a.out.h +++ b/include/linux/a.out.h | |||
@@ -138,7 +138,7 @@ enum machine_type { | |||
138 | #endif | 138 | #endif |
139 | #endif | 139 | #endif |
140 | 140 | ||
141 | #define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1)) | 141 | #define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) |
142 | 142 | ||
143 | #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) | 143 | #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) |
144 | 144 | ||
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 60272141ff19..b54a0348a890 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h | |||
@@ -539,15 +539,12 @@ extern void generic_make_request(struct bio *bio); | |||
539 | extern void blk_put_request(struct request *); | 539 | extern void blk_put_request(struct request *); |
540 | extern void blk_end_sync_rq(struct request *rq); | 540 | extern void blk_end_sync_rq(struct request *rq); |
541 | extern void blk_attempt_remerge(request_queue_t *, struct request *); | 541 | extern void blk_attempt_remerge(request_queue_t *, struct request *); |
542 | extern void __blk_attempt_remerge(request_queue_t *, struct request *); | ||
543 | extern struct request *blk_get_request(request_queue_t *, int, int); | 542 | extern struct request *blk_get_request(request_queue_t *, int, int); |
544 | extern void blk_insert_request(request_queue_t *, struct request *, int, void *); | 543 | extern void blk_insert_request(request_queue_t *, struct request *, int, void *); |
545 | extern void blk_requeue_request(request_queue_t *, struct request *); | 544 | extern void blk_requeue_request(request_queue_t *, struct request *); |
546 | extern void blk_plug_device(request_queue_t *); | 545 | extern void blk_plug_device(request_queue_t *); |
547 | extern int blk_remove_plug(request_queue_t *); | 546 | extern int blk_remove_plug(request_queue_t *); |
548 | extern void blk_recount_segments(request_queue_t *, struct bio *); | 547 | extern void blk_recount_segments(request_queue_t *, struct bio *); |
549 | extern int blk_phys_contig_segment(request_queue_t *q, struct bio *, struct bio *); | ||
550 | extern int blk_hw_contig_segment(request_queue_t *q, struct bio *, struct bio *); | ||
551 | extern int scsi_cmd_ioctl(struct file *, struct gendisk *, unsigned int, void __user *); | 548 | extern int scsi_cmd_ioctl(struct file *, struct gendisk *, unsigned int, void __user *); |
552 | extern void blk_start_queue(request_queue_t *q); | 549 | extern void blk_start_queue(request_queue_t *q); |
553 | extern void blk_stop_queue(request_queue_t *q); | 550 | extern void blk_stop_queue(request_queue_t *q); |
@@ -631,7 +628,6 @@ extern void blk_queue_dma_alignment(request_queue_t *, int); | |||
631 | extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); | 628 | extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); |
632 | extern void blk_queue_ordered(request_queue_t *, int); | 629 | extern void blk_queue_ordered(request_queue_t *, int); |
633 | extern void blk_queue_issue_flush_fn(request_queue_t *, issue_flush_fn *); | 630 | extern void blk_queue_issue_flush_fn(request_queue_t *, issue_flush_fn *); |
634 | extern int blkdev_scsi_issue_flush_fn(request_queue_t *, struct gendisk *, sector_t *); | ||
635 | extern struct request *blk_start_pre_flush(request_queue_t *,struct request *); | 631 | extern struct request *blk_start_pre_flush(request_queue_t *,struct request *); |
636 | extern int blk_complete_barrier_rq(request_queue_t *, struct request *, int); | 632 | extern int blk_complete_barrier_rq(request_queue_t *, struct request *, int); |
637 | extern int blk_complete_barrier_rq_locked(request_queue_t *, struct request *, int); | 633 | extern int blk_complete_barrier_rq_locked(request_queue_t *, struct request *, int); |
@@ -675,8 +671,6 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *); | |||
675 | 671 | ||
676 | #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist) | 672 | #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist) |
677 | 673 | ||
678 | extern void drive_stat_acct(struct request *, int, int); | ||
679 | |||
680 | static inline int queue_hardsect_size(request_queue_t *q) | 674 | static inline int queue_hardsect_size(request_queue_t *q) |
681 | { | 675 | { |
682 | int retval = 512; | 676 | int retval = 512; |
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 500f451ce0c0..82bd8842d11c 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h | |||
@@ -22,6 +22,10 @@ extern unsigned long min_low_pfn; | |||
22 | */ | 22 | */ |
23 | extern unsigned long max_pfn; | 23 | extern unsigned long max_pfn; |
24 | 24 | ||
25 | #ifdef CONFIG_CRASH_DUMP | ||
26 | extern unsigned long saved_max_pfn; | ||
27 | #endif | ||
28 | |||
25 | /* | 29 | /* |
26 | * node_bootmem_map is a map pointer - the bits represent all physical | 30 | * node_bootmem_map is a map pointer - the bits represent all physical |
27 | * memory pages (including holes) on the node. | 31 | * memory pages (including holes) on the node. |
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index fe0298e5dae1..e8904c0da686 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h | |||
@@ -69,6 +69,7 @@ extern struct semaphore cpucontrol; | |||
69 | register_cpu_notifier(&fn##_nb); \ | 69 | register_cpu_notifier(&fn##_nb); \ |
70 | } | 70 | } |
71 | int cpu_down(unsigned int cpu); | 71 | int cpu_down(unsigned int cpu); |
72 | extern int __attribute__((weak)) smp_prepare_cpu(int cpu); | ||
72 | #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) | 73 | #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) |
73 | #else | 74 | #else |
74 | #define lock_cpu_hotplug() do { } while (0) | 75 | #define lock_cpu_hotplug() do { } while (0) |
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h new file mode 100644 index 000000000000..534d750d922d --- /dev/null +++ b/include/linux/crash_dump.h | |||
@@ -0,0 +1,18 @@ | |||
1 | #ifndef LINUX_CRASH_DUMP_H | ||
2 | #define LINUX_CRASH_DUMP_H | ||
3 | |||
4 | #ifdef CONFIG_CRASH_DUMP | ||
5 | #include <linux/kexec.h> | ||
6 | #include <linux/smp_lock.h> | ||
7 | #include <linux/device.h> | ||
8 | #include <linux/proc_fs.h> | ||
9 | |||
10 | #define ELFCORE_ADDR_MAX (-1ULL) | ||
11 | extern unsigned long long elfcorehdr_addr; | ||
12 | extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, | ||
13 | unsigned long, int); | ||
14 | extern struct file_operations proc_vmcore_operations; | ||
15 | extern struct proc_dir_entry *proc_vmcore; | ||
16 | |||
17 | #endif /* CONFIG_CRASH_DUMP */ | ||
18 | #endif /* LINUX_CRASHDUMP_H */ | ||
diff --git a/include/linux/dmi.h b/include/linux/dmi.h index d2bcf556088b..5e93e6dce9a4 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h | |||
@@ -9,6 +9,7 @@ enum dmi_field { | |||
9 | DMI_SYS_VENDOR, | 9 | DMI_SYS_VENDOR, |
10 | DMI_PRODUCT_NAME, | 10 | DMI_PRODUCT_NAME, |
11 | DMI_PRODUCT_VERSION, | 11 | DMI_PRODUCT_VERSION, |
12 | DMI_PRODUCT_SERIAL, | ||
12 | DMI_BOARD_VENDOR, | 13 | DMI_BOARD_VENDOR, |
13 | DMI_BOARD_NAME, | 14 | DMI_BOARD_NAME, |
14 | DMI_BOARD_VERSION, | 15 | DMI_BOARD_VERSION, |
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 2a7e6c65c882..6bece9280eb7 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h | |||
@@ -28,6 +28,7 @@ static inline void *kmap(struct page *page) | |||
28 | 28 | ||
29 | #define kmap_atomic(page, idx) page_address(page) | 29 | #define kmap_atomic(page, idx) page_address(page) |
30 | #define kunmap_atomic(addr, idx) do { } while (0) | 30 | #define kunmap_atomic(addr, idx) do { } while (0) |
31 | #define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) | ||
31 | #define kmap_atomic_to_page(ptr) virt_to_page(ptr) | 32 | #define kmap_atomic_to_page(ptr) virt_to_page(ptr) |
32 | 33 | ||
33 | #endif /* CONFIG_HIGHMEM */ | 34 | #endif /* CONFIG_HIGHMEM */ |
diff --git a/include/linux/init.h b/include/linux/init.h index 05c83e0521ca..59008c3826cf 100644 --- a/include/linux/init.h +++ b/include/linux/init.h | |||
@@ -229,6 +229,18 @@ void __init parse_early_param(void); | |||
229 | #define __devexitdata __exitdata | 229 | #define __devexitdata __exitdata |
230 | #endif | 230 | #endif |
231 | 231 | ||
232 | #ifdef CONFIG_HOTPLUG_CPU | ||
233 | #define __cpuinit | ||
234 | #define __cpuinitdata | ||
235 | #define __cpuexit | ||
236 | #define __cpuexitdata | ||
237 | #else | ||
238 | #define __cpuinit __init | ||
239 | #define __cpuinitdata __initdata | ||
240 | #define __cpuexit __exit | ||
241 | #define __cpuexitdata __exitdata | ||
242 | #endif | ||
243 | |||
232 | /* Functions marked as __devexit may be discarded at kernel link time, depending | 244 | /* Functions marked as __devexit may be discarded at kernel link time, depending |
233 | on config options. Newer versions of binutils detect references from | 245 | on config options. Newer versions of binutils detect references from |
234 | retained sections to discarded sections and flag an error. Pointers to | 246 | retained sections to discarded sections and flag an error. Pointers to |
diff --git a/include/linux/init_task.h b/include/linux/init_task.h index a6a8c1a38d5e..03206a425d7a 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h | |||
@@ -108,7 +108,6 @@ extern struct group_info init_groups; | |||
108 | .blocked = {{0}}, \ | 108 | .blocked = {{0}}, \ |
109 | .alloc_lock = SPIN_LOCK_UNLOCKED, \ | 109 | .alloc_lock = SPIN_LOCK_UNLOCKED, \ |
110 | .proc_lock = SPIN_LOCK_UNLOCKED, \ | 110 | .proc_lock = SPIN_LOCK_UNLOCKED, \ |
111 | .switch_lock = SPIN_LOCK_UNLOCKED, \ | ||
112 | .journal_info = NULL, \ | 111 | .journal_info = NULL, \ |
113 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ | 112 | .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ |
114 | } | 113 | } |
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index e25b97062ce1..687ba8c9973d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
@@ -58,15 +58,23 @@ struct completion; | |||
58 | * be biten later when the calling function happens to sleep when it is not | 58 | * be biten later when the calling function happens to sleep when it is not |
59 | * supposed to. | 59 | * supposed to. |
60 | */ | 60 | */ |
61 | #ifdef CONFIG_PREEMPT_VOLUNTARY | ||
62 | extern int cond_resched(void); | ||
63 | # define might_resched() cond_resched() | ||
64 | #else | ||
65 | # define might_resched() do { } while (0) | ||
66 | #endif | ||
67 | |||
61 | #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP | 68 | #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP |
62 | #define might_sleep() __might_sleep(__FILE__, __LINE__) | 69 | void __might_sleep(char *file, int line); |
63 | #define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) | 70 | # define might_sleep() \ |
64 | void __might_sleep(char *file, int line); | 71 | do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0) |
65 | #else | 72 | #else |
66 | #define might_sleep() do {} while(0) | 73 | # define might_sleep() do { might_resched(); } while (0) |
67 | #define might_sleep_if(cond) do {} while (0) | ||
68 | #endif | 74 | #endif |
69 | 75 | ||
76 | #define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0) | ||
77 | |||
70 | #define abs(x) ({ \ | 78 | #define abs(x) ({ \ |
71 | int __x = (x); \ | 79 | int __x = (x); \ |
72 | (__x < 0) ? -__x : __x; \ | 80 | (__x < 0) ? -__x : __x; \ |
diff --git a/include/linux/kexec.h b/include/linux/kexec.h new file mode 100644 index 000000000000..c8468472aec0 --- /dev/null +++ b/include/linux/kexec.h | |||
@@ -0,0 +1,135 @@ | |||
1 | #ifndef LINUX_KEXEC_H | ||
2 | #define LINUX_KEXEC_H | ||
3 | |||
4 | #ifdef CONFIG_KEXEC | ||
5 | #include <linux/types.h> | ||
6 | #include <linux/list.h> | ||
7 | #include <linux/linkage.h> | ||
8 | #include <linux/compat.h> | ||
9 | #include <asm/kexec.h> | ||
10 | |||
11 | /* Verify architecture specific macros are defined */ | ||
12 | |||
13 | #ifndef KEXEC_SOURCE_MEMORY_LIMIT | ||
14 | #error KEXEC_SOURCE_MEMORY_LIMIT not defined | ||
15 | #endif | ||
16 | |||
17 | #ifndef KEXEC_DESTINATION_MEMORY_LIMIT | ||
18 | #error KEXEC_DESTINATION_MEMORY_LIMIT not defined | ||
19 | #endif | ||
20 | |||
21 | #ifndef KEXEC_CONTROL_MEMORY_LIMIT | ||
22 | #error KEXEC_CONTROL_MEMORY_LIMIT not defined | ||
23 | #endif | ||
24 | |||
25 | #ifndef KEXEC_CONTROL_CODE_SIZE | ||
26 | #error KEXEC_CONTROL_CODE_SIZE not defined | ||
27 | #endif | ||
28 | |||
29 | #ifndef KEXEC_ARCH | ||
30 | #error KEXEC_ARCH not defined | ||
31 | #endif | ||
32 | |||
33 | /* | ||
34 | * This structure is used to hold the arguments that are used when loading | ||
35 | * kernel binaries. | ||
36 | */ | ||
37 | |||
38 | typedef unsigned long kimage_entry_t; | ||
39 | #define IND_DESTINATION 0x1 | ||
40 | #define IND_INDIRECTION 0x2 | ||
41 | #define IND_DONE 0x4 | ||
42 | #define IND_SOURCE 0x8 | ||
43 | |||
44 | #define KEXEC_SEGMENT_MAX 8 | ||
45 | struct kexec_segment { | ||
46 | void __user *buf; | ||
47 | size_t bufsz; | ||
48 | unsigned long mem; /* User space sees this as a (void *) ... */ | ||
49 | size_t memsz; | ||
50 | }; | ||
51 | |||
52 | #ifdef CONFIG_COMPAT | ||
53 | struct compat_kexec_segment { | ||
54 | compat_uptr_t buf; | ||
55 | compat_size_t bufsz; | ||
56 | compat_ulong_t mem; /* User space sees this as a (void *) ... */ | ||
57 | compat_size_t memsz; | ||
58 | }; | ||
59 | #endif | ||
60 | |||
61 | struct kimage { | ||
62 | kimage_entry_t head; | ||
63 | kimage_entry_t *entry; | ||
64 | kimage_entry_t *last_entry; | ||
65 | |||
66 | unsigned long destination; | ||
67 | |||
68 | unsigned long start; | ||
69 | struct page *control_code_page; | ||
70 | |||
71 | unsigned long nr_segments; | ||
72 | struct kexec_segment segment[KEXEC_SEGMENT_MAX]; | ||
73 | |||
74 | struct list_head control_pages; | ||
75 | struct list_head dest_pages; | ||
76 | struct list_head unuseable_pages; | ||
77 | |||
78 | /* Address of next control page to allocate for crash kernels. */ | ||
79 | unsigned long control_page; | ||
80 | |||
81 | /* Flags to indicate special processing */ | ||
82 | unsigned int type : 1; | ||
83 | #define KEXEC_TYPE_DEFAULT 0 | ||
84 | #define KEXEC_TYPE_CRASH 1 | ||
85 | }; | ||
86 | |||
87 | |||
88 | |||
89 | /* kexec interface functions */ | ||
90 | extern NORET_TYPE void machine_kexec(struct kimage *image) ATTRIB_NORET; | ||
91 | extern int machine_kexec_prepare(struct kimage *image); | ||
92 | extern void machine_kexec_cleanup(struct kimage *image); | ||
93 | extern asmlinkage long sys_kexec_load(unsigned long entry, | ||
94 | unsigned long nr_segments, | ||
95 | struct kexec_segment __user *segments, | ||
96 | unsigned long flags); | ||
97 | #ifdef CONFIG_COMPAT | ||
98 | extern asmlinkage long compat_sys_kexec_load(unsigned long entry, | ||
99 | unsigned long nr_segments, | ||
100 | struct compat_kexec_segment __user *segments, | ||
101 | unsigned long flags); | ||
102 | #endif | ||
103 | extern struct page *kimage_alloc_control_pages(struct kimage *image, | ||
104 | unsigned int order); | ||
105 | extern void crash_kexec(struct pt_regs *); | ||
106 | int kexec_should_crash(struct task_struct *); | ||
107 | extern struct kimage *kexec_image; | ||
108 | |||
109 | #define KEXEC_ON_CRASH 0x00000001 | ||
110 | #define KEXEC_ARCH_MASK 0xffff0000 | ||
111 | |||
112 | /* These values match the ELF architecture values. | ||
113 | * Unless there is a good reason that should continue to be the case. | ||
114 | */ | ||
115 | #define KEXEC_ARCH_DEFAULT ( 0 << 16) | ||
116 | #define KEXEC_ARCH_386 ( 3 << 16) | ||
117 | #define KEXEC_ARCH_X86_64 (62 << 16) | ||
118 | #define KEXEC_ARCH_PPC (20 << 16) | ||
119 | #define KEXEC_ARCH_PPC64 (21 << 16) | ||
120 | #define KEXEC_ARCH_IA_64 (50 << 16) | ||
121 | #define KEXEC_ARCH_S390 (22 << 16) | ||
122 | |||
123 | #define KEXEC_FLAGS (KEXEC_ON_CRASH) /* List of defined/legal kexec flags */ | ||
124 | |||
125 | /* Location of a reserved region to hold the crash kernel. | ||
126 | */ | ||
127 | extern struct resource crashk_res; | ||
128 | |||
129 | #else /* !CONFIG_KEXEC */ | ||
130 | struct pt_regs; | ||
131 | struct task_struct; | ||
132 | static inline void crash_kexec(struct pt_regs *regs) { } | ||
133 | static inline int kexec_should_crash(struct task_struct *p) { return 0; } | ||
134 | #endif /* CONFIG_KEXEC */ | ||
135 | #endif /* LINUX_KEXEC_H */ | ||
diff --git a/include/linux/list.h b/include/linux/list.h index 399b51d17218..aab2db21b013 100644 --- a/include/linux/list.h +++ b/include/linux/list.h | |||
@@ -185,7 +185,7 @@ static inline void list_del(struct list_head *entry) | |||
185 | * list_for_each_entry_rcu(). | 185 | * list_for_each_entry_rcu(). |
186 | * | 186 | * |
187 | * Note that the caller is not permitted to immediately free | 187 | * Note that the caller is not permitted to immediately free |
188 | * the newly deleted entry. Instead, either synchronize_kernel() | 188 | * the newly deleted entry. Instead, either synchronize_rcu() |
189 | * or call_rcu() must be used to defer freeing until an RCU | 189 | * or call_rcu() must be used to defer freeing until an RCU |
190 | * grace period has elapsed. | 190 | * grace period has elapsed. |
191 | */ | 191 | */ |
diff --git a/include/linux/nvram.h b/include/linux/nvram.h index b031e41b5e0d..9189829c131c 100644 --- a/include/linux/nvram.h +++ b/include/linux/nvram.h | |||
@@ -20,8 +20,6 @@ extern void __nvram_write_byte(unsigned char c, int i); | |||
20 | extern void nvram_write_byte(unsigned char c, int i); | 20 | extern void nvram_write_byte(unsigned char c, int i); |
21 | extern int __nvram_check_checksum(void); | 21 | extern int __nvram_check_checksum(void); |
22 | extern int nvram_check_checksum(void); | 22 | extern int nvram_check_checksum(void); |
23 | extern void __nvram_set_checksum(void); | ||
24 | extern void nvram_set_checksum(void); | ||
25 | #endif | 23 | #endif |
26 | 24 | ||
27 | #endif /* _LINUX_NVRAM_H */ | 25 | #endif /* _LINUX_NVRAM_H */ |
diff --git a/include/linux/pm.h b/include/linux/pm.h index ed2b76e75199..14479325e3f3 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h | |||
@@ -103,7 +103,8 @@ extern int pm_active; | |||
103 | /* | 103 | /* |
104 | * Register a device with power management | 104 | * Register a device with power management |
105 | */ | 105 | */ |
106 | struct pm_dev __deprecated *pm_register(pm_dev_t type, unsigned long id, pm_callback callback); | 106 | struct pm_dev __deprecated * |
107 | pm_register(pm_dev_t type, unsigned long id, pm_callback callback); | ||
107 | 108 | ||
108 | /* | 109 | /* |
109 | * Unregister a device with power management | 110 | * Unregister a device with power management |
@@ -190,17 +191,18 @@ typedef u32 __bitwise pm_message_t; | |||
190 | /* | 191 | /* |
191 | * There are 4 important states driver can be in: | 192 | * There are 4 important states driver can be in: |
192 | * ON -- driver is working | 193 | * ON -- driver is working |
193 | * FREEZE -- stop operations and apply whatever policy is applicable to a suspended driver | 194 | * FREEZE -- stop operations and apply whatever policy is applicable to a |
194 | * of that class, freeze queues for block like IDE does, drop packets for | 195 | * suspended driver of that class, freeze queues for block like IDE |
195 | * ethernet, etc... stop DMA engine too etc... so a consistent image can be | 196 | * does, drop packets for ethernet, etc... stop DMA engine too etc... |
196 | * saved; but do not power any hardware down. | 197 | * so a consistent image can be saved; but do not power any hardware |
197 | * SUSPEND - like FREEZE, but hardware is doing as much powersaving as possible. Roughly | 198 | * down. |
198 | * pci D3. | 199 | * SUSPEND - like FREEZE, but hardware is doing as much powersaving as |
200 | * possible. Roughly pci D3. | ||
199 | * | 201 | * |
200 | * Unfortunately, current drivers only recognize numeric values 0 (ON) and 3 (SUSPEND). | 202 | * Unfortunately, current drivers only recognize numeric values 0 (ON) and 3 |
201 | * We'll need to fix the drivers. So yes, putting 3 to all diferent defines is intentional, | 203 | * (SUSPEND). We'll need to fix the drivers. So yes, putting 3 to all different |
202 | * and will go away as soon as drivers are fixed. Also note that typedef is neccessary, | 204 | * defines is intentional, and will go away as soon as drivers are fixed. Also |
203 | * we'll probably want to switch to | 205 | * note that typedef is neccessary, we'll probably want to switch to |
204 | * typedef struct pm_message_t { int event; int flags; } pm_message_t | 206 | * typedef struct pm_message_t { int event; int flags; } pm_message_t |
205 | * or something similar soon. | 207 | * or something similar soon. |
206 | */ | 208 | */ |
@@ -222,11 +224,18 @@ struct dev_pm_info { | |||
222 | 224 | ||
223 | extern void device_pm_set_parent(struct device * dev, struct device * parent); | 225 | extern void device_pm_set_parent(struct device * dev, struct device * parent); |
224 | 226 | ||
225 | extern int device_suspend(pm_message_t state); | ||
226 | extern int device_power_down(pm_message_t state); | 227 | extern int device_power_down(pm_message_t state); |
227 | extern void device_power_up(void); | 228 | extern void device_power_up(void); |
228 | extern void device_resume(void); | 229 | extern void device_resume(void); |
229 | 230 | ||
231 | #ifdef CONFIG_PM | ||
232 | extern int device_suspend(pm_message_t state); | ||
233 | #else | ||
234 | static inline int device_suspend(pm_message_t state) | ||
235 | { | ||
236 | return 0; | ||
237 | } | ||
238 | #endif | ||
230 | 239 | ||
231 | #endif /* __KERNEL__ */ | 240 | #endif /* __KERNEL__ */ |
232 | 241 | ||
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 59e505261fd6..0563581e3a02 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h | |||
@@ -74,6 +74,13 @@ struct kcore_list { | |||
74 | size_t size; | 74 | size_t size; |
75 | }; | 75 | }; |
76 | 76 | ||
77 | struct vmcore { | ||
78 | struct list_head list; | ||
79 | unsigned long long paddr; | ||
80 | unsigned long size; | ||
81 | loff_t offset; | ||
82 | }; | ||
83 | |||
77 | #ifdef CONFIG_PROC_FS | 84 | #ifdef CONFIG_PROC_FS |
78 | 85 | ||
79 | extern struct proc_dir_entry proc_root; | 86 | extern struct proc_dir_entry proc_root; |
diff --git a/include/linux/reboot.h b/include/linux/reboot.h index d60fafc8bdc5..2d4dd23168dd 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h | |||
@@ -51,6 +51,10 @@ extern void machine_restart(char *cmd); | |||
51 | extern void machine_halt(void); | 51 | extern void machine_halt(void); |
52 | extern void machine_power_off(void); | 52 | extern void machine_power_off(void); |
53 | 53 | ||
54 | extern void machine_shutdown(void); | ||
55 | struct pt_regs; | ||
56 | extern void machine_crash_shutdown(struct pt_regs *); | ||
57 | |||
54 | #endif | 58 | #endif |
55 | 59 | ||
56 | #endif /* _LINUX_REBOOT_H */ | 60 | #endif /* _LINUX_REBOOT_H */ |
diff --git a/include/linux/sched.h b/include/linux/sched.h index e7fd09b0557f..9530b1903160 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
@@ -368,6 +368,11 @@ struct signal_struct { | |||
368 | #endif | 368 | #endif |
369 | }; | 369 | }; |
370 | 370 | ||
371 | /* Context switch must be unlocked if interrupts are to be enabled */ | ||
372 | #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW | ||
373 | # define __ARCH_WANT_UNLOCKED_CTXSW | ||
374 | #endif | ||
375 | |||
371 | /* | 376 | /* |
372 | * Bits in flags field of signal_struct. | 377 | * Bits in flags field of signal_struct. |
373 | */ | 378 | */ |
@@ -460,10 +465,11 @@ enum idle_type | |||
460 | #define SD_LOAD_BALANCE 1 /* Do load balancing on this domain. */ | 465 | #define SD_LOAD_BALANCE 1 /* Do load balancing on this domain. */ |
461 | #define SD_BALANCE_NEWIDLE 2 /* Balance when about to become idle */ | 466 | #define SD_BALANCE_NEWIDLE 2 /* Balance when about to become idle */ |
462 | #define SD_BALANCE_EXEC 4 /* Balance on exec */ | 467 | #define SD_BALANCE_EXEC 4 /* Balance on exec */ |
463 | #define SD_WAKE_IDLE 8 /* Wake to idle CPU on task wakeup */ | 468 | #define SD_BALANCE_FORK 8 /* Balance on fork, clone */ |
464 | #define SD_WAKE_AFFINE 16 /* Wake task to waking CPU */ | 469 | #define SD_WAKE_IDLE 16 /* Wake to idle CPU on task wakeup */ |
465 | #define SD_WAKE_BALANCE 32 /* Perform balancing at task wakeup */ | 470 | #define SD_WAKE_AFFINE 32 /* Wake task to waking CPU */ |
466 | #define SD_SHARE_CPUPOWER 64 /* Domain members share cpu power */ | 471 | #define SD_WAKE_BALANCE 64 /* Perform balancing at task wakeup */ |
472 | #define SD_SHARE_CPUPOWER 128 /* Domain members share cpu power */ | ||
467 | 473 | ||
468 | struct sched_group { | 474 | struct sched_group { |
469 | struct sched_group *next; /* Must be a circular list */ | 475 | struct sched_group *next; /* Must be a circular list */ |
@@ -488,6 +494,11 @@ struct sched_domain { | |||
488 | unsigned long long cache_hot_time; /* Task considered cache hot (ns) */ | 494 | unsigned long long cache_hot_time; /* Task considered cache hot (ns) */ |
489 | unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */ | 495 | unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */ |
490 | unsigned int per_cpu_gain; /* CPU % gained by adding domain cpus */ | 496 | unsigned int per_cpu_gain; /* CPU % gained by adding domain cpus */ |
497 | unsigned int busy_idx; | ||
498 | unsigned int idle_idx; | ||
499 | unsigned int newidle_idx; | ||
500 | unsigned int wake_idx; | ||
501 | unsigned int forkexec_idx; | ||
491 | int flags; /* See SD_* */ | 502 | int flags; /* See SD_* */ |
492 | 503 | ||
493 | /* Runtime fields. */ | 504 | /* Runtime fields. */ |
@@ -511,10 +522,16 @@ struct sched_domain { | |||
511 | unsigned long alb_failed; | 522 | unsigned long alb_failed; |
512 | unsigned long alb_pushed; | 523 | unsigned long alb_pushed; |
513 | 524 | ||
514 | /* sched_balance_exec() stats */ | 525 | /* SD_BALANCE_EXEC stats */ |
515 | unsigned long sbe_attempts; | 526 | unsigned long sbe_cnt; |
527 | unsigned long sbe_balanced; | ||
516 | unsigned long sbe_pushed; | 528 | unsigned long sbe_pushed; |
517 | 529 | ||
530 | /* SD_BALANCE_FORK stats */ | ||
531 | unsigned long sbf_cnt; | ||
532 | unsigned long sbf_balanced; | ||
533 | unsigned long sbf_pushed; | ||
534 | |||
518 | /* try_to_wake_up() stats */ | 535 | /* try_to_wake_up() stats */ |
519 | unsigned long ttwu_wake_remote; | 536 | unsigned long ttwu_wake_remote; |
520 | unsigned long ttwu_move_affine; | 537 | unsigned long ttwu_move_affine; |
@@ -522,6 +539,8 @@ struct sched_domain { | |||
522 | #endif | 539 | #endif |
523 | }; | 540 | }; |
524 | 541 | ||
542 | extern void partition_sched_domains(cpumask_t *partition1, | ||
543 | cpumask_t *partition2); | ||
525 | #ifdef ARCH_HAS_SCHED_DOMAIN | 544 | #ifdef ARCH_HAS_SCHED_DOMAIN |
526 | /* Useful helpers that arch setup code may use. Defined in kernel/sched.c */ | 545 | /* Useful helpers that arch setup code may use. Defined in kernel/sched.c */ |
527 | extern cpumask_t cpu_isolated_map; | 546 | extern cpumask_t cpu_isolated_map; |
@@ -582,6 +601,9 @@ struct task_struct { | |||
582 | 601 | ||
583 | int lock_depth; /* BKL lock depth */ | 602 | int lock_depth; /* BKL lock depth */ |
584 | 603 | ||
604 | #if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW) | ||
605 | int oncpu; | ||
606 | #endif | ||
585 | int prio, static_prio; | 607 | int prio, static_prio; |
586 | struct list_head run_list; | 608 | struct list_head run_list; |
587 | prio_array_t *array; | 609 | prio_array_t *array; |
@@ -704,8 +726,6 @@ struct task_struct { | |||
704 | spinlock_t alloc_lock; | 726 | spinlock_t alloc_lock; |
705 | /* Protection of proc_dentry: nesting proc_lock, dcache_lock, write_lock_irq(&tasklist_lock); */ | 727 | /* Protection of proc_dentry: nesting proc_lock, dcache_lock, write_lock_irq(&tasklist_lock); */ |
706 | spinlock_t proc_lock; | 728 | spinlock_t proc_lock; |
707 | /* context-switch lock */ | ||
708 | spinlock_t switch_lock; | ||
709 | 729 | ||
710 | /* journalling filesystem info */ | 730 | /* journalling filesystem info */ |
711 | void *journal_info; | 731 | void *journal_info; |
@@ -912,7 +932,7 @@ extern void FASTCALL(wake_up_new_task(struct task_struct * tsk, | |||
912 | #else | 932 | #else |
913 | static inline void kick_process(struct task_struct *tsk) { } | 933 | static inline void kick_process(struct task_struct *tsk) { } |
914 | #endif | 934 | #endif |
915 | extern void FASTCALL(sched_fork(task_t * p)); | 935 | extern void FASTCALL(sched_fork(task_t * p, int clone_flags)); |
916 | extern void FASTCALL(sched_exit(task_t * p)); | 936 | extern void FASTCALL(sched_exit(task_t * p)); |
917 | 937 | ||
918 | extern int in_group_p(gid_t); | 938 | extern int in_group_p(gid_t); |
diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 2bf0d5fabcdb..f2e96fdfaae0 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h | |||
@@ -58,7 +58,7 @@ static inline int software_suspend(void) | |||
58 | } | 58 | } |
59 | #endif | 59 | #endif |
60 | 60 | ||
61 | #ifdef CONFIG_SMP | 61 | #ifdef CONFIG_SUSPEND_SMP |
62 | extern void disable_nonboot_cpus(void); | 62 | extern void disable_nonboot_cpus(void); |
63 | extern void enable_nonboot_cpus(void); | 63 | extern void enable_nonboot_cpus(void); |
64 | #else | 64 | #else |
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c39f6f72cbbc..52830b6d94e5 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h | |||
@@ -159,8 +159,9 @@ asmlinkage long sys_shutdown(int, int); | |||
159 | asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, | 159 | asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd, |
160 | void __user *arg); | 160 | void __user *arg); |
161 | asmlinkage long sys_restart_syscall(void); | 161 | asmlinkage long sys_restart_syscall(void); |
162 | asmlinkage long sys_kexec_load(void *entry, unsigned long nr_segments, | 162 | asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments, |
163 | struct kexec_segment *segments, unsigned long flags); | 163 | struct kexec_segment __user *segments, |
164 | unsigned long flags); | ||
164 | 165 | ||
165 | asmlinkage long sys_exit(int error_code); | 166 | asmlinkage long sys_exit(int error_code); |
166 | asmlinkage void sys_exit_group(int error_code); | 167 | asmlinkage void sys_exit_group(int error_code); |
diff --git a/include/linux/topology.h b/include/linux/topology.h index d70e8972c67f..0320225e96da 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h | |||
@@ -89,6 +89,11 @@ | |||
89 | .cache_hot_time = 0, \ | 89 | .cache_hot_time = 0, \ |
90 | .cache_nice_tries = 0, \ | 90 | .cache_nice_tries = 0, \ |
91 | .per_cpu_gain = 25, \ | 91 | .per_cpu_gain = 25, \ |
92 | .busy_idx = 0, \ | ||
93 | .idle_idx = 0, \ | ||
94 | .newidle_idx = 1, \ | ||
95 | .wake_idx = 0, \ | ||
96 | .forkexec_idx = 0, \ | ||
92 | .flags = SD_LOAD_BALANCE \ | 97 | .flags = SD_LOAD_BALANCE \ |
93 | | SD_BALANCE_NEWIDLE \ | 98 | | SD_BALANCE_NEWIDLE \ |
94 | | SD_BALANCE_EXEC \ | 99 | | SD_BALANCE_EXEC \ |
@@ -115,12 +120,15 @@ | |||
115 | .cache_hot_time = (5*1000000/2), \ | 120 | .cache_hot_time = (5*1000000/2), \ |
116 | .cache_nice_tries = 1, \ | 121 | .cache_nice_tries = 1, \ |
117 | .per_cpu_gain = 100, \ | 122 | .per_cpu_gain = 100, \ |
123 | .busy_idx = 2, \ | ||
124 | .idle_idx = 1, \ | ||
125 | .newidle_idx = 2, \ | ||
126 | .wake_idx = 1, \ | ||
127 | .forkexec_idx = 1, \ | ||
118 | .flags = SD_LOAD_BALANCE \ | 128 | .flags = SD_LOAD_BALANCE \ |
119 | | SD_BALANCE_NEWIDLE \ | 129 | | SD_BALANCE_NEWIDLE \ |
120 | | SD_BALANCE_EXEC \ | 130 | | SD_BALANCE_EXEC \ |
121 | | SD_WAKE_AFFINE \ | 131 | | SD_WAKE_AFFINE, \ |
122 | | SD_WAKE_IDLE \ | ||
123 | | SD_WAKE_BALANCE, \ | ||
124 | .last_balance = jiffies, \ | 132 | .last_balance = jiffies, \ |
125 | .balance_interval = 1, \ | 133 | .balance_interval = 1, \ |
126 | .nr_balance_failed = 0, \ | 134 | .nr_balance_failed = 0, \ |