diff options
Diffstat (limited to 'include/linux')
59 files changed, 1705 insertions, 615 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 41f7ce7edd7a..0601075d09a1 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h | |||
| @@ -82,6 +82,7 @@ char * __acpi_map_table (unsigned long phys_addr, unsigned long size); | |||
| 82 | int early_acpi_boot_init(void); | 82 | int early_acpi_boot_init(void); |
| 83 | int acpi_boot_init (void); | 83 | int acpi_boot_init (void); |
| 84 | int acpi_boot_table_init (void); | 84 | int acpi_boot_table_init (void); |
| 85 | int acpi_mps_check (void); | ||
| 85 | int acpi_numa_init (void); | 86 | int acpi_numa_init (void); |
| 86 | 87 | ||
| 87 | int acpi_table_init (void); | 88 | int acpi_table_init (void); |
| @@ -250,6 +251,11 @@ static inline int acpi_boot_table_init(void) | |||
| 250 | return 0; | 251 | return 0; |
| 251 | } | 252 | } |
| 252 | 253 | ||
| 254 | static inline int acpi_mps_check(void) | ||
| 255 | { | ||
| 256 | return 0; | ||
| 257 | } | ||
| 258 | |||
| 253 | static inline int acpi_check_resource_conflict(struct resource *res) | 259 | static inline int acpi_check_resource_conflict(struct resource *res) |
| 254 | { | 260 | { |
| 255 | return 0; | 261 | return 0; |
diff --git a/include/linux/bio.h b/include/linux/bio.h index 61c15eaf3fb3..0933a14e6414 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h | |||
| @@ -64,6 +64,7 @@ struct bio_vec { | |||
| 64 | 64 | ||
| 65 | struct bio_set; | 65 | struct bio_set; |
| 66 | struct bio; | 66 | struct bio; |
| 67 | struct bio_integrity_payload; | ||
| 67 | typedef void (bio_end_io_t) (struct bio *, int); | 68 | typedef void (bio_end_io_t) (struct bio *, int); |
| 68 | typedef void (bio_destructor_t) (struct bio *); | 69 | typedef void (bio_destructor_t) (struct bio *); |
| 69 | 70 | ||
| @@ -112,6 +113,9 @@ struct bio { | |||
| 112 | atomic_t bi_cnt; /* pin count */ | 113 | atomic_t bi_cnt; /* pin count */ |
| 113 | 114 | ||
| 114 | void *bi_private; | 115 | void *bi_private; |
| 116 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 117 | struct bio_integrity_payload *bi_integrity; /* data integrity */ | ||
| 118 | #endif | ||
| 115 | 119 | ||
| 116 | bio_destructor_t *bi_destructor; /* destructor */ | 120 | bio_destructor_t *bi_destructor; /* destructor */ |
| 117 | }; | 121 | }; |
| @@ -271,6 +275,29 @@ static inline void *bio_data(struct bio *bio) | |||
| 271 | */ | 275 | */ |
| 272 | #define bio_get(bio) atomic_inc(&(bio)->bi_cnt) | 276 | #define bio_get(bio) atomic_inc(&(bio)->bi_cnt) |
| 273 | 277 | ||
| 278 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 279 | /* | ||
| 280 | * bio integrity payload | ||
| 281 | */ | ||
| 282 | struct bio_integrity_payload { | ||
| 283 | struct bio *bip_bio; /* parent bio */ | ||
| 284 | struct bio_vec *bip_vec; /* integrity data vector */ | ||
| 285 | |||
| 286 | sector_t bip_sector; /* virtual start sector */ | ||
| 287 | |||
| 288 | void *bip_buf; /* generated integrity data */ | ||
| 289 | bio_end_io_t *bip_end_io; /* saved I/O completion fn */ | ||
| 290 | |||
| 291 | int bip_error; /* saved I/O error */ | ||
| 292 | unsigned int bip_size; | ||
| 293 | |||
| 294 | unsigned short bip_pool; /* pool the ivec came from */ | ||
| 295 | unsigned short bip_vcnt; /* # of integrity bio_vecs */ | ||
| 296 | unsigned short bip_idx; /* current bip_vec index */ | ||
| 297 | |||
| 298 | struct work_struct bip_work; /* I/O completion */ | ||
| 299 | }; | ||
| 300 | #endif /* CONFIG_BLK_DEV_INTEGRITY */ | ||
| 274 | 301 | ||
| 275 | /* | 302 | /* |
| 276 | * A bio_pair is used when we need to split a bio. | 303 | * A bio_pair is used when we need to split a bio. |
| @@ -283,10 +310,14 @@ static inline void *bio_data(struct bio *bio) | |||
| 283 | * in bio2.bi_private | 310 | * in bio2.bi_private |
| 284 | */ | 311 | */ |
| 285 | struct bio_pair { | 312 | struct bio_pair { |
| 286 | struct bio bio1, bio2; | 313 | struct bio bio1, bio2; |
| 287 | struct bio_vec bv1, bv2; | 314 | struct bio_vec bv1, bv2; |
| 288 | atomic_t cnt; | 315 | #if defined(CONFIG_BLK_DEV_INTEGRITY) |
| 289 | int error; | 316 | struct bio_integrity_payload bip1, bip2; |
| 317 | struct bio_vec iv1, iv2; | ||
| 318 | #endif | ||
| 319 | atomic_t cnt; | ||
| 320 | int error; | ||
| 290 | }; | 321 | }; |
| 291 | extern struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, | 322 | extern struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, |
| 292 | int first_sectors); | 323 | int first_sectors); |
| @@ -333,6 +364,39 @@ extern struct bio *bio_copy_user_iov(struct request_queue *, struct sg_iovec *, | |||
| 333 | int, int); | 364 | int, int); |
| 334 | extern int bio_uncopy_user(struct bio *); | 365 | extern int bio_uncopy_user(struct bio *); |
| 335 | void zero_fill_bio(struct bio *bio); | 366 | void zero_fill_bio(struct bio *bio); |
| 367 | extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *); | ||
| 368 | extern unsigned int bvec_nr_vecs(unsigned short idx); | ||
| 369 | |||
| 370 | /* | ||
| 371 | * bio_set is used to allow other portions of the IO system to | ||
| 372 | * allocate their own private memory pools for bio and iovec structures. | ||
| 373 | * These memory pools in turn all allocate from the bio_slab | ||
| 374 | * and the bvec_slabs[]. | ||
| 375 | */ | ||
| 376 | #define BIO_POOL_SIZE 2 | ||
| 377 | #define BIOVEC_NR_POOLS 6 | ||
| 378 | |||
| 379 | struct bio_set { | ||
| 380 | mempool_t *bio_pool; | ||
| 381 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 382 | mempool_t *bio_integrity_pool; | ||
| 383 | #endif | ||
| 384 | mempool_t *bvec_pools[BIOVEC_NR_POOLS]; | ||
| 385 | }; | ||
| 386 | |||
| 387 | struct biovec_slab { | ||
| 388 | int nr_vecs; | ||
| 389 | char *name; | ||
| 390 | struct kmem_cache *slab; | ||
| 391 | }; | ||
| 392 | |||
| 393 | extern struct bio_set *fs_bio_set; | ||
| 394 | |||
| 395 | /* | ||
| 396 | * a small number of entries is fine, not going to be performance critical. | ||
| 397 | * basically we just need to survive | ||
| 398 | */ | ||
| 399 | #define BIO_SPLIT_ENTRIES 2 | ||
| 336 | 400 | ||
| 337 | #ifdef CONFIG_HIGHMEM | 401 | #ifdef CONFIG_HIGHMEM |
| 338 | /* | 402 | /* |
| @@ -381,5 +445,63 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx, | |||
| 381 | __bio_kmap_irq((bio), (bio)->bi_idx, (flags)) | 445 | __bio_kmap_irq((bio), (bio)->bi_idx, (flags)) |
| 382 | #define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags) | 446 | #define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags) |
| 383 | 447 | ||
| 448 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 449 | |||
| 450 | #define bip_vec_idx(bip, idx) (&(bip->bip_vec[(idx)])) | ||
| 451 | #define bip_vec(bip) bip_vec_idx(bip, 0) | ||
| 452 | |||
| 453 | #define __bip_for_each_vec(bvl, bip, i, start_idx) \ | ||
| 454 | for (bvl = bip_vec_idx((bip), (start_idx)), i = (start_idx); \ | ||
| 455 | i < (bip)->bip_vcnt; \ | ||
| 456 | bvl++, i++) | ||
| 457 | |||
| 458 | #define bip_for_each_vec(bvl, bip, i) \ | ||
| 459 | __bip_for_each_vec(bvl, bip, i, (bip)->bip_idx) | ||
| 460 | |||
| 461 | static inline int bio_integrity(struct bio *bio) | ||
| 462 | { | ||
| 463 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 464 | return bio->bi_integrity != NULL; | ||
| 465 | #else | ||
| 466 | return 0; | ||
| 467 | #endif | ||
| 468 | } | ||
| 469 | |||
| 470 | extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *); | ||
| 471 | extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); | ||
| 472 | extern void bio_integrity_free(struct bio *, struct bio_set *); | ||
| 473 | extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); | ||
| 474 | extern int bio_integrity_enabled(struct bio *bio); | ||
| 475 | extern int bio_integrity_set_tag(struct bio *, void *, unsigned int); | ||
| 476 | extern int bio_integrity_get_tag(struct bio *, void *, unsigned int); | ||
| 477 | extern int bio_integrity_prep(struct bio *); | ||
| 478 | extern void bio_integrity_endio(struct bio *, int); | ||
| 479 | extern void bio_integrity_advance(struct bio *, unsigned int); | ||
| 480 | extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int); | ||
| 481 | extern void bio_integrity_split(struct bio *, struct bio_pair *, int); | ||
| 482 | extern int bio_integrity_clone(struct bio *, struct bio *, struct bio_set *); | ||
| 483 | extern int bioset_integrity_create(struct bio_set *, int); | ||
| 484 | extern void bioset_integrity_free(struct bio_set *); | ||
| 485 | extern void bio_integrity_init_slab(void); | ||
| 486 | |||
| 487 | #else /* CONFIG_BLK_DEV_INTEGRITY */ | ||
| 488 | |||
| 489 | #define bio_integrity(a) (0) | ||
| 490 | #define bioset_integrity_create(a, b) (0) | ||
| 491 | #define bio_integrity_prep(a) (0) | ||
| 492 | #define bio_integrity_enabled(a) (0) | ||
| 493 | #define bio_integrity_clone(a, b, c) (0) | ||
| 494 | #define bioset_integrity_free(a) do { } while (0) | ||
| 495 | #define bio_integrity_free(a, b) do { } while (0) | ||
| 496 | #define bio_integrity_endio(a, b) do { } while (0) | ||
| 497 | #define bio_integrity_advance(a, b) do { } while (0) | ||
| 498 | #define bio_integrity_trim(a, b, c) do { } while (0) | ||
| 499 | #define bio_integrity_split(a, b, c) do { } while (0) | ||
| 500 | #define bio_integrity_set_tag(a, b, c) do { } while (0) | ||
| 501 | #define bio_integrity_get_tag(a, b, c) do { } while (0) | ||
| 502 | #define bio_integrity_init_slab(a) do { } while (0) | ||
| 503 | |||
| 504 | #endif /* CONFIG_BLK_DEV_INTEGRITY */ | ||
| 505 | |||
| 384 | #endif /* CONFIG_BLOCK */ | 506 | #endif /* CONFIG_BLOCK */ |
| 385 | #endif /* __LINUX_BIO_H */ | 507 | #endif /* __LINUX_BIO_H */ |
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d2a1b71e93c3..32a441b05fd5 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h | |||
| @@ -23,7 +23,6 @@ | |||
| 23 | struct scsi_ioctl_command; | 23 | struct scsi_ioctl_command; |
| 24 | 24 | ||
| 25 | struct request_queue; | 25 | struct request_queue; |
| 26 | typedef struct request_queue request_queue_t __deprecated; | ||
| 27 | struct elevator_queue; | 26 | struct elevator_queue; |
| 28 | typedef struct elevator_queue elevator_t; | 27 | typedef struct elevator_queue elevator_t; |
| 29 | struct request_pm_state; | 28 | struct request_pm_state; |
| @@ -34,12 +33,6 @@ struct sg_io_hdr; | |||
| 34 | #define BLKDEV_MIN_RQ 4 | 33 | #define BLKDEV_MIN_RQ 4 |
| 35 | #define BLKDEV_MAX_RQ 128 /* Default maximum */ | 34 | #define BLKDEV_MAX_RQ 128 /* Default maximum */ |
| 36 | 35 | ||
| 37 | int put_io_context(struct io_context *ioc); | ||
| 38 | void exit_io_context(void); | ||
| 39 | struct io_context *get_io_context(gfp_t gfp_flags, int node); | ||
| 40 | struct io_context *alloc_io_context(gfp_t gfp_flags, int node); | ||
| 41 | void copy_io_context(struct io_context **pdst, struct io_context **psrc); | ||
| 42 | |||
| 43 | struct request; | 36 | struct request; |
| 44 | typedef void (rq_end_io_fn)(struct request *, int); | 37 | typedef void (rq_end_io_fn)(struct request *, int); |
| 45 | 38 | ||
| @@ -113,6 +106,7 @@ enum rq_flag_bits { | |||
| 113 | __REQ_ALLOCED, /* request came from our alloc pool */ | 106 | __REQ_ALLOCED, /* request came from our alloc pool */ |
| 114 | __REQ_RW_META, /* metadata io request */ | 107 | __REQ_RW_META, /* metadata io request */ |
| 115 | __REQ_COPY_USER, /* contains copies of user pages */ | 108 | __REQ_COPY_USER, /* contains copies of user pages */ |
| 109 | __REQ_INTEGRITY, /* integrity metadata has been remapped */ | ||
| 116 | __REQ_NR_BITS, /* stops here */ | 110 | __REQ_NR_BITS, /* stops here */ |
| 117 | }; | 111 | }; |
| 118 | 112 | ||
| @@ -135,6 +129,7 @@ enum rq_flag_bits { | |||
| 135 | #define REQ_ALLOCED (1 << __REQ_ALLOCED) | 129 | #define REQ_ALLOCED (1 << __REQ_ALLOCED) |
| 136 | #define REQ_RW_META (1 << __REQ_RW_META) | 130 | #define REQ_RW_META (1 << __REQ_RW_META) |
| 137 | #define REQ_COPY_USER (1 << __REQ_COPY_USER) | 131 | #define REQ_COPY_USER (1 << __REQ_COPY_USER) |
| 132 | #define REQ_INTEGRITY (1 << __REQ_INTEGRITY) | ||
| 138 | 133 | ||
| 139 | #define BLK_MAX_CDB 16 | 134 | #define BLK_MAX_CDB 16 |
| 140 | 135 | ||
| @@ -259,7 +254,14 @@ typedef int (prep_rq_fn) (struct request_queue *, struct request *); | |||
| 259 | typedef void (unplug_fn) (struct request_queue *); | 254 | typedef void (unplug_fn) (struct request_queue *); |
| 260 | 255 | ||
| 261 | struct bio_vec; | 256 | struct bio_vec; |
| 262 | typedef int (merge_bvec_fn) (struct request_queue *, struct bio *, struct bio_vec *); | 257 | struct bvec_merge_data { |
| 258 | struct block_device *bi_bdev; | ||
| 259 | sector_t bi_sector; | ||
| 260 | unsigned bi_size; | ||
| 261 | unsigned long bi_rw; | ||
| 262 | }; | ||
| 263 | typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *, | ||
| 264 | struct bio_vec *); | ||
| 263 | typedef void (prepare_flush_fn) (struct request_queue *, struct request *); | 265 | typedef void (prepare_flush_fn) (struct request_queue *, struct request *); |
| 264 | typedef void (softirq_done_fn)(struct request *); | 266 | typedef void (softirq_done_fn)(struct request *); |
| 265 | typedef int (dma_drain_needed_fn)(struct request *); | 267 | typedef int (dma_drain_needed_fn)(struct request *); |
| @@ -426,6 +428,32 @@ static inline void queue_flag_set_unlocked(unsigned int flag, | |||
| 426 | __set_bit(flag, &q->queue_flags); | 428 | __set_bit(flag, &q->queue_flags); |
| 427 | } | 429 | } |
| 428 | 430 | ||
| 431 | static inline int queue_flag_test_and_clear(unsigned int flag, | ||
| 432 | struct request_queue *q) | ||
| 433 | { | ||
| 434 | WARN_ON_ONCE(!queue_is_locked(q)); | ||
| 435 | |||
| 436 | if (test_bit(flag, &q->queue_flags)) { | ||
| 437 | __clear_bit(flag, &q->queue_flags); | ||
| 438 | return 1; | ||
| 439 | } | ||
| 440 | |||
| 441 | return 0; | ||
| 442 | } | ||
| 443 | |||
| 444 | static inline int queue_flag_test_and_set(unsigned int flag, | ||
| 445 | struct request_queue *q) | ||
| 446 | { | ||
| 447 | WARN_ON_ONCE(!queue_is_locked(q)); | ||
| 448 | |||
| 449 | if (!test_bit(flag, &q->queue_flags)) { | ||
| 450 | __set_bit(flag, &q->queue_flags); | ||
| 451 | return 0; | ||
| 452 | } | ||
| 453 | |||
| 454 | return 1; | ||
| 455 | } | ||
| 456 | |||
| 429 | static inline void queue_flag_set(unsigned int flag, struct request_queue *q) | 457 | static inline void queue_flag_set(unsigned int flag, struct request_queue *q) |
| 430 | { | 458 | { |
| 431 | WARN_ON_ONCE(!queue_is_locked(q)); | 459 | WARN_ON_ONCE(!queue_is_locked(q)); |
| @@ -623,7 +651,6 @@ extern void generic_make_request(struct bio *bio); | |||
| 623 | extern void blk_rq_init(struct request_queue *q, struct request *rq); | 651 | extern void blk_rq_init(struct request_queue *q, struct request *rq); |
| 624 | extern void blk_put_request(struct request *); | 652 | extern void blk_put_request(struct request *); |
| 625 | extern void __blk_put_request(struct request_queue *, struct request *); | 653 | extern void __blk_put_request(struct request_queue *, struct request *); |
| 626 | extern void blk_end_sync_rq(struct request *rq, int error); | ||
| 627 | extern struct request *blk_get_request(struct request_queue *, int, gfp_t); | 654 | extern struct request *blk_get_request(struct request_queue *, int, gfp_t); |
| 628 | extern void blk_insert_request(struct request_queue *, struct request *, int, void *); | 655 | extern void blk_insert_request(struct request_queue *, struct request *, int, void *); |
| 629 | extern void blk_requeue_request(struct request_queue *, struct request *); | 656 | extern void blk_requeue_request(struct request_queue *, struct request *); |
| @@ -676,7 +703,6 @@ extern int blk_execute_rq(struct request_queue *, struct gendisk *, | |||
| 676 | struct request *, int); | 703 | struct request *, int); |
| 677 | extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, | 704 | extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, |
| 678 | struct request *, int, rq_end_io_fn *); | 705 | struct request *, int, rq_end_io_fn *); |
| 679 | extern int blk_verify_command(unsigned char *, int); | ||
| 680 | extern void blk_unplug(struct request_queue *q); | 706 | extern void blk_unplug(struct request_queue *q); |
| 681 | 707 | ||
| 682 | static inline struct request_queue *bdev_get_queue(struct block_device *bdev) | 708 | static inline struct request_queue *bdev_get_queue(struct block_device *bdev) |
| @@ -749,6 +775,7 @@ extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); | |||
| 749 | extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); | 775 | extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); |
| 750 | extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); | 776 | extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); |
| 751 | extern void blk_queue_dma_pad(struct request_queue *, unsigned int); | 777 | extern void blk_queue_dma_pad(struct request_queue *, unsigned int); |
| 778 | extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int); | ||
| 752 | extern int blk_queue_dma_drain(struct request_queue *q, | 779 | extern int blk_queue_dma_drain(struct request_queue *q, |
| 753 | dma_drain_needed_fn *dma_drain_needed, | 780 | dma_drain_needed_fn *dma_drain_needed, |
| 754 | void *buf, unsigned int size); | 781 | void *buf, unsigned int size); |
| @@ -802,6 +829,15 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, | |||
| 802 | 829 | ||
| 803 | extern int blkdev_issue_flush(struct block_device *, sector_t *); | 830 | extern int blkdev_issue_flush(struct block_device *, sector_t *); |
| 804 | 831 | ||
| 832 | /* | ||
| 833 | * command filter functions | ||
| 834 | */ | ||
| 835 | extern int blk_verify_command(struct file *file, unsigned char *cmd); | ||
| 836 | extern int blk_cmd_filter_verify_command(struct blk_scsi_cmd_filter *filter, | ||
| 837 | unsigned char *cmd, mode_t *f_mode); | ||
| 838 | extern int blk_register_filter(struct gendisk *disk); | ||
| 839 | extern void blk_unregister_filter(struct gendisk *disk); | ||
| 840 | |||
| 805 | #define MAX_PHYS_SEGMENTS 128 | 841 | #define MAX_PHYS_SEGMENTS 128 |
| 806 | #define MAX_HW_SEGMENTS 128 | 842 | #define MAX_HW_SEGMENTS 128 |
| 807 | #define SAFE_MAX_SECTORS 255 | 843 | #define SAFE_MAX_SECTORS 255 |
| @@ -865,28 +901,116 @@ void kblockd_flush_work(struct work_struct *work); | |||
| 865 | #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \ | 901 | #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \ |
| 866 | MODULE_ALIAS("block-major-" __stringify(major) "-*") | 902 | MODULE_ALIAS("block-major-" __stringify(major) "-*") |
| 867 | 903 | ||
| 904 | #if defined(CONFIG_BLK_DEV_INTEGRITY) | ||
| 868 | 905 | ||
| 869 | #else /* CONFIG_BLOCK */ | 906 | #define INTEGRITY_FLAG_READ 2 /* verify data integrity on read */ |
| 870 | /* | 907 | #define INTEGRITY_FLAG_WRITE 4 /* generate data integrity on write */ |
| 871 | * stubs for when the block layer is configured out | ||
| 872 | */ | ||
| 873 | #define buffer_heads_over_limit 0 | ||
| 874 | 908 | ||
| 875 | static inline long nr_blockdev_pages(void) | 909 | struct blk_integrity_exchg { |
| 910 | void *prot_buf; | ||
| 911 | void *data_buf; | ||
| 912 | sector_t sector; | ||
| 913 | unsigned int data_size; | ||
| 914 | unsigned short sector_size; | ||
| 915 | const char *disk_name; | ||
| 916 | }; | ||
| 917 | |||
| 918 | typedef void (integrity_gen_fn) (struct blk_integrity_exchg *); | ||
| 919 | typedef int (integrity_vrfy_fn) (struct blk_integrity_exchg *); | ||
| 920 | typedef void (integrity_set_tag_fn) (void *, void *, unsigned int); | ||
| 921 | typedef void (integrity_get_tag_fn) (void *, void *, unsigned int); | ||
| 922 | |||
| 923 | struct blk_integrity { | ||
| 924 | integrity_gen_fn *generate_fn; | ||
| 925 | integrity_vrfy_fn *verify_fn; | ||
| 926 | integrity_set_tag_fn *set_tag_fn; | ||
| 927 | integrity_get_tag_fn *get_tag_fn; | ||
| 928 | |||
| 929 | unsigned short flags; | ||
| 930 | unsigned short tuple_size; | ||
| 931 | unsigned short sector_size; | ||
| 932 | unsigned short tag_size; | ||
| 933 | |||
| 934 | const char *name; | ||
| 935 | |||
| 936 | struct kobject kobj; | ||
| 937 | }; | ||
| 938 | |||
| 939 | extern int blk_integrity_register(struct gendisk *, struct blk_integrity *); | ||
| 940 | extern void blk_integrity_unregister(struct gendisk *); | ||
| 941 | extern int blk_integrity_compare(struct block_device *, struct block_device *); | ||
| 942 | extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *); | ||
| 943 | extern int blk_rq_count_integrity_sg(struct request *); | ||
| 944 | |||
| 945 | static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi) | ||
| 876 | { | 946 | { |
| 947 | if (bi) | ||
| 948 | return bi->tuple_size; | ||
| 949 | |||
| 877 | return 0; | 950 | return 0; |
| 878 | } | 951 | } |
| 879 | 952 | ||
| 880 | static inline void exit_io_context(void) | 953 | static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev) |
| 881 | { | 954 | { |
| 955 | return bdev->bd_disk->integrity; | ||
| 882 | } | 956 | } |
| 883 | 957 | ||
| 884 | struct io_context; | 958 | static inline unsigned int bdev_get_tag_size(struct block_device *bdev) |
| 885 | static inline int put_io_context(struct io_context *ioc) | ||
| 886 | { | 959 | { |
| 887 | return 1; | 960 | struct blk_integrity *bi = bdev_get_integrity(bdev); |
| 961 | |||
| 962 | if (bi) | ||
| 963 | return bi->tag_size; | ||
| 964 | |||
| 965 | return 0; | ||
| 966 | } | ||
| 967 | |||
| 968 | static inline int bdev_integrity_enabled(struct block_device *bdev, int rw) | ||
| 969 | { | ||
| 970 | struct blk_integrity *bi = bdev_get_integrity(bdev); | ||
| 971 | |||
| 972 | if (bi == NULL) | ||
| 973 | return 0; | ||
| 974 | |||
| 975 | if (rw == READ && bi->verify_fn != NULL && | ||
| 976 | (bi->flags & INTEGRITY_FLAG_READ)) | ||
| 977 | return 1; | ||
| 978 | |||
| 979 | if (rw == WRITE && bi->generate_fn != NULL && | ||
| 980 | (bi->flags & INTEGRITY_FLAG_WRITE)) | ||
| 981 | return 1; | ||
| 982 | |||
| 983 | return 0; | ||
| 888 | } | 984 | } |
| 889 | 985 | ||
| 986 | static inline int blk_integrity_rq(struct request *rq) | ||
| 987 | { | ||
| 988 | return bio_integrity(rq->bio); | ||
| 989 | } | ||
| 990 | |||
| 991 | #else /* CONFIG_BLK_DEV_INTEGRITY */ | ||
| 992 | |||
| 993 | #define blk_integrity_rq(rq) (0) | ||
| 994 | #define blk_rq_count_integrity_sg(a) (0) | ||
| 995 | #define blk_rq_map_integrity_sg(a, b) (0) | ||
| 996 | #define bdev_get_integrity(a) (0) | ||
| 997 | #define bdev_get_tag_size(a) (0) | ||
| 998 | #define blk_integrity_compare(a, b) (0) | ||
| 999 | #define blk_integrity_register(a, b) (0) | ||
| 1000 | #define blk_integrity_unregister(a) do { } while (0); | ||
| 1001 | |||
| 1002 | #endif /* CONFIG_BLK_DEV_INTEGRITY */ | ||
| 1003 | |||
| 1004 | #else /* CONFIG_BLOCK */ | ||
| 1005 | /* | ||
| 1006 | * stubs for when the block layer is configured out | ||
| 1007 | */ | ||
| 1008 | #define buffer_heads_over_limit 0 | ||
| 1009 | |||
| 1010 | static inline long nr_blockdev_pages(void) | ||
| 1011 | { | ||
| 1012 | return 0; | ||
| 1013 | } | ||
| 890 | 1014 | ||
| 891 | #endif /* CONFIG_BLOCK */ | 1015 | #endif /* CONFIG_BLOCK */ |
| 892 | 1016 | ||
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index e3ef903aae88..d084b8d227a5 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h | |||
| @@ -129,6 +129,7 @@ struct blk_trace { | |||
| 129 | u32 dev; | 129 | u32 dev; |
| 130 | struct dentry *dir; | 130 | struct dentry *dir; |
| 131 | struct dentry *dropped_file; | 131 | struct dentry *dropped_file; |
| 132 | struct dentry *msg_file; | ||
| 132 | atomic_t dropped; | 133 | atomic_t dropped; |
| 133 | }; | 134 | }; |
| 134 | 135 | ||
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 686895bacd9d..a1d9b79078ea 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h | |||
| @@ -84,6 +84,8 @@ extern int reserve_bootmem(unsigned long addr, unsigned long size, int flags); | |||
| 84 | __alloc_bootmem_low(x, PAGE_SIZE, 0) | 84 | __alloc_bootmem_low(x, PAGE_SIZE, 0) |
| 85 | #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ | 85 | #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ |
| 86 | 86 | ||
| 87 | extern int reserve_bootmem_generic(unsigned long addr, unsigned long size, | ||
| 88 | int flags); | ||
| 87 | extern unsigned long free_all_bootmem(void); | 89 | extern unsigned long free_all_bootmem(void); |
| 88 | extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); | 90 | extern unsigned long free_all_bootmem_node(pg_data_t *pgdat); |
| 89 | extern void *__alloc_bootmem_node(pg_data_t *pgdat, | 91 | extern void *__alloc_bootmem_node(pg_data_t *pgdat, |
diff --git a/include/linux/console.h b/include/linux/console.h index a4f27fbdf549..248e6e3b9b73 100644 --- a/include/linux/console.h +++ b/include/linux/console.h | |||
| @@ -108,6 +108,8 @@ struct console { | |||
| 108 | struct console *next; | 108 | struct console *next; |
| 109 | }; | 109 | }; |
| 110 | 110 | ||
| 111 | extern int console_set_on_cmdline; | ||
| 112 | |||
| 111 | extern int add_preferred_console(char *name, int idx, char *options); | 113 | extern int add_preferred_console(char *name, int idx, char *options); |
| 112 | extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); | 114 | extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); |
| 113 | extern void register_console(struct console *); | 115 | extern void register_console(struct console *); |
diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 425824bd49f3..c43dc47fdf75 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h | |||
| @@ -30,15 +30,17 @@ | |||
| 30 | */ | 30 | */ |
| 31 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f | 31 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f |
| 32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 | 32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
| 33 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000002 | 33 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000002 |
| 34 | #define CRYPTO_ALG_TYPE_HASH 0x00000003 | 34 | #define CRYPTO_ALG_TYPE_AEAD 0x00000003 |
| 35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 | 35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 |
| 36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 | 36 | #define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005 |
| 37 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 | 37 | #define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006 |
| 38 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000008 | 38 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000008 |
| 39 | #define CRYPTO_ALG_TYPE_AEAD 0x00000009 | 39 | #define CRYPTO_ALG_TYPE_HASH 0x00000009 |
| 40 | #define CRYPTO_ALG_TYPE_AHASH 0x0000000a | ||
| 40 | 41 | ||
| 41 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e | 42 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e |
| 43 | #define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c | ||
| 42 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c | 44 | #define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c |
| 43 | 45 | ||
| 44 | #define CRYPTO_ALG_LARVAL 0x00000010 | 46 | #define CRYPTO_ALG_LARVAL 0x00000010 |
| @@ -102,6 +104,7 @@ struct crypto_async_request; | |||
| 102 | struct crypto_aead; | 104 | struct crypto_aead; |
| 103 | struct crypto_blkcipher; | 105 | struct crypto_blkcipher; |
| 104 | struct crypto_hash; | 106 | struct crypto_hash; |
| 107 | struct crypto_ahash; | ||
| 105 | struct crypto_tfm; | 108 | struct crypto_tfm; |
| 106 | struct crypto_type; | 109 | struct crypto_type; |
| 107 | struct aead_givcrypt_request; | 110 | struct aead_givcrypt_request; |
| @@ -131,6 +134,16 @@ struct ablkcipher_request { | |||
| 131 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | 134 | void *__ctx[] CRYPTO_MINALIGN_ATTR; |
| 132 | }; | 135 | }; |
| 133 | 136 | ||
| 137 | struct ahash_request { | ||
| 138 | struct crypto_async_request base; | ||
| 139 | |||
| 140 | unsigned int nbytes; | ||
| 141 | struct scatterlist *src; | ||
| 142 | u8 *result; | ||
| 143 | |||
| 144 | void *__ctx[] CRYPTO_MINALIGN_ATTR; | ||
| 145 | }; | ||
| 146 | |||
| 134 | /** | 147 | /** |
| 135 | * struct aead_request - AEAD request | 148 | * struct aead_request - AEAD request |
| 136 | * @base: Common attributes for async crypto requests | 149 | * @base: Common attributes for async crypto requests |
| @@ -195,6 +208,17 @@ struct ablkcipher_alg { | |||
| 195 | unsigned int ivsize; | 208 | unsigned int ivsize; |
| 196 | }; | 209 | }; |
| 197 | 210 | ||
| 211 | struct ahash_alg { | ||
| 212 | int (*init)(struct ahash_request *req); | ||
| 213 | int (*update)(struct ahash_request *req); | ||
| 214 | int (*final)(struct ahash_request *req); | ||
| 215 | int (*digest)(struct ahash_request *req); | ||
| 216 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | ||
| 217 | unsigned int keylen); | ||
| 218 | |||
| 219 | unsigned int digestsize; | ||
| 220 | }; | ||
| 221 | |||
| 198 | struct aead_alg { | 222 | struct aead_alg { |
| 199 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, | 223 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, |
| 200 | unsigned int keylen); | 224 | unsigned int keylen); |
| @@ -272,6 +296,7 @@ struct compress_alg { | |||
| 272 | #define cra_cipher cra_u.cipher | 296 | #define cra_cipher cra_u.cipher |
| 273 | #define cra_digest cra_u.digest | 297 | #define cra_digest cra_u.digest |
| 274 | #define cra_hash cra_u.hash | 298 | #define cra_hash cra_u.hash |
| 299 | #define cra_ahash cra_u.ahash | ||
| 275 | #define cra_compress cra_u.compress | 300 | #define cra_compress cra_u.compress |
| 276 | 301 | ||
| 277 | struct crypto_alg { | 302 | struct crypto_alg { |
| @@ -298,6 +323,7 @@ struct crypto_alg { | |||
| 298 | struct cipher_alg cipher; | 323 | struct cipher_alg cipher; |
| 299 | struct digest_alg digest; | 324 | struct digest_alg digest; |
| 300 | struct hash_alg hash; | 325 | struct hash_alg hash; |
| 326 | struct ahash_alg ahash; | ||
| 301 | struct compress_alg compress; | 327 | struct compress_alg compress; |
| 302 | } cra_u; | 328 | } cra_u; |
| 303 | 329 | ||
| @@ -383,6 +409,18 @@ struct hash_tfm { | |||
| 383 | unsigned int digestsize; | 409 | unsigned int digestsize; |
| 384 | }; | 410 | }; |
| 385 | 411 | ||
| 412 | struct ahash_tfm { | ||
| 413 | int (*init)(struct ahash_request *req); | ||
| 414 | int (*update)(struct ahash_request *req); | ||
| 415 | int (*final)(struct ahash_request *req); | ||
| 416 | int (*digest)(struct ahash_request *req); | ||
| 417 | int (*setkey)(struct crypto_ahash *tfm, const u8 *key, | ||
| 418 | unsigned int keylen); | ||
| 419 | |||
| 420 | unsigned int digestsize; | ||
| 421 | unsigned int reqsize; | ||
| 422 | }; | ||
| 423 | |||
| 386 | struct compress_tfm { | 424 | struct compress_tfm { |
| 387 | int (*cot_compress)(struct crypto_tfm *tfm, | 425 | int (*cot_compress)(struct crypto_tfm *tfm, |
| 388 | const u8 *src, unsigned int slen, | 426 | const u8 *src, unsigned int slen, |
| @@ -397,6 +435,7 @@ struct compress_tfm { | |||
| 397 | #define crt_blkcipher crt_u.blkcipher | 435 | #define crt_blkcipher crt_u.blkcipher |
| 398 | #define crt_cipher crt_u.cipher | 436 | #define crt_cipher crt_u.cipher |
| 399 | #define crt_hash crt_u.hash | 437 | #define crt_hash crt_u.hash |
| 438 | #define crt_ahash crt_u.ahash | ||
| 400 | #define crt_compress crt_u.compress | 439 | #define crt_compress crt_u.compress |
| 401 | 440 | ||
| 402 | struct crypto_tfm { | 441 | struct crypto_tfm { |
| @@ -409,6 +448,7 @@ struct crypto_tfm { | |||
| 409 | struct blkcipher_tfm blkcipher; | 448 | struct blkcipher_tfm blkcipher; |
| 410 | struct cipher_tfm cipher; | 449 | struct cipher_tfm cipher; |
| 411 | struct hash_tfm hash; | 450 | struct hash_tfm hash; |
| 451 | struct ahash_tfm ahash; | ||
| 412 | struct compress_tfm compress; | 452 | struct compress_tfm compress; |
| 413 | } crt_u; | 453 | } crt_u; |
| 414 | 454 | ||
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d982eb89c77d..98202c672fde 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h | |||
| @@ -3,6 +3,7 @@ | |||
| 3 | 3 | ||
| 4 | #include <asm/atomic.h> | 4 | #include <asm/atomic.h> |
| 5 | #include <linux/list.h> | 5 | #include <linux/list.h> |
| 6 | #include <linux/rculist.h> | ||
| 6 | #include <linux/spinlock.h> | 7 | #include <linux/spinlock.h> |
| 7 | #include <linux/cache.h> | 8 | #include <linux/cache.h> |
| 8 | #include <linux/rcupdate.h> | 9 | #include <linux/rcupdate.h> |
diff --git a/include/linux/delay.h b/include/linux/delay.h index 54552d21296e..fd832c6d419e 100644 --- a/include/linux/delay.h +++ b/include/linux/delay.h | |||
| @@ -41,6 +41,7 @@ static inline void ndelay(unsigned long x) | |||
| 41 | #define ndelay(x) ndelay(x) | 41 | #define ndelay(x) ndelay(x) |
| 42 | #endif | 42 | #endif |
| 43 | 43 | ||
| 44 | extern unsigned long lpj_fine; | ||
| 44 | void calibrate_delay(void); | 45 | void calibrate_delay(void); |
| 45 | void msleep(unsigned int msecs); | 46 | void msleep(unsigned int msecs); |
| 46 | unsigned long msleep_interruptible(unsigned int msecs); | 47 | unsigned long msleep_interruptible(unsigned int msecs); |
diff --git a/include/linux/efi.h b/include/linux/efi.h index a5f359a7ad0e..807373d467f7 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h | |||
| @@ -287,7 +287,6 @@ efi_guid_unparse(efi_guid_t *guid, char *out) | |||
| 287 | extern void efi_init (void); | 287 | extern void efi_init (void); |
| 288 | extern void *efi_get_pal_addr (void); | 288 | extern void *efi_get_pal_addr (void); |
| 289 | extern void efi_map_pal_code (void); | 289 | extern void efi_map_pal_code (void); |
| 290 | extern void efi_map_memmap(void); | ||
| 291 | extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); | 290 | extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); |
| 292 | extern void efi_gettimeofday (struct timespec *ts); | 291 | extern void efi_gettimeofday (struct timespec *ts); |
| 293 | extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ | 292 | extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ |
| @@ -295,14 +294,11 @@ extern u64 efi_get_iobase (void); | |||
| 295 | extern u32 efi_mem_type (unsigned long phys_addr); | 294 | extern u32 efi_mem_type (unsigned long phys_addr); |
| 296 | extern u64 efi_mem_attributes (unsigned long phys_addr); | 295 | extern u64 efi_mem_attributes (unsigned long phys_addr); |
| 297 | extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); | 296 | extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); |
| 298 | extern int efi_mem_attribute_range (unsigned long phys_addr, unsigned long size, | ||
| 299 | u64 attr); | ||
| 300 | extern int __init efi_uart_console_only (void); | 297 | extern int __init efi_uart_console_only (void); |
| 301 | extern void efi_initialize_iomem_resources(struct resource *code_resource, | 298 | extern void efi_initialize_iomem_resources(struct resource *code_resource, |
| 302 | struct resource *data_resource, struct resource *bss_resource); | 299 | struct resource *data_resource, struct resource *bss_resource); |
| 303 | extern unsigned long efi_get_time(void); | 300 | extern unsigned long efi_get_time(void); |
| 304 | extern int efi_set_rtc_mmss(unsigned long nowtime); | 301 | extern int efi_set_rtc_mmss(unsigned long nowtime); |
| 305 | extern int is_available_memory(efi_memory_desc_t * md); | ||
| 306 | extern struct efi_memory_map memmap; | 302 | extern struct efi_memory_map memmap; |
| 307 | 303 | ||
| 308 | /** | 304 | /** |
diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h new file mode 100644 index 000000000000..acbdbcc16051 --- /dev/null +++ b/include/linux/firmware-map.h | |||
| @@ -0,0 +1,74 @@ | |||
| 1 | /* | ||
| 2 | * include/linux/firmware-map.h: | ||
| 3 | * Copyright (C) 2008 SUSE LINUX Products GmbH | ||
| 4 | * by Bernhard Walle <bwalle@suse.de> | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License v2.0 as published by | ||
| 8 | * the Free Software Foundation | ||
| 9 | * | ||
| 10 | * This program is distributed in the hope that it will be useful, | ||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | * GNU General Public License for more details. | ||
| 14 | * | ||
| 15 | */ | ||
| 16 | #ifndef _LINUX_FIRMWARE_MAP_H | ||
| 17 | #define _LINUX_FIRMWARE_MAP_H | ||
| 18 | |||
| 19 | #include <linux/list.h> | ||
| 20 | #include <linux/kobject.h> | ||
| 21 | |||
| 22 | /* | ||
| 23 | * provide a dummy interface if CONFIG_FIRMWARE_MEMMAP is disabled | ||
| 24 | */ | ||
| 25 | #ifdef CONFIG_FIRMWARE_MEMMAP | ||
| 26 | |||
| 27 | /** | ||
| 28 | * Adds a firmware mapping entry. This function uses kmalloc() for memory | ||
| 29 | * allocation. Use firmware_map_add_early() if you want to use the bootmem | ||
| 30 | * allocator. | ||
| 31 | * | ||
| 32 | * That function must be called before late_initcall. | ||
| 33 | * | ||
| 34 | * @start: Start of the memory range. | ||
| 35 | * @end: End of the memory range (inclusive). | ||
| 36 | * @type: Type of the memory range. | ||
| 37 | * | ||
| 38 | * Returns 0 on success, or -ENOMEM if no memory could be allocated. | ||
| 39 | */ | ||
| 40 | int firmware_map_add(resource_size_t start, resource_size_t end, | ||
| 41 | const char *type); | ||
| 42 | |||
| 43 | /** | ||
| 44 | * Adds a firmware mapping entry. This function uses the bootmem allocator | ||
| 45 | * for memory allocation. Use firmware_map_add() if you want to use kmalloc(). | ||
| 46 | * | ||
| 47 | * That function must be called before late_initcall. | ||
| 48 | * | ||
| 49 | * @start: Start of the memory range. | ||
| 50 | * @end: End of the memory range (inclusive). | ||
| 51 | * @type: Type of the memory range. | ||
| 52 | * | ||
| 53 | * Returns 0 on success, or -ENOMEM if no memory could be allocated. | ||
| 54 | */ | ||
| 55 | int firmware_map_add_early(resource_size_t start, resource_size_t end, | ||
| 56 | const char *type); | ||
| 57 | |||
| 58 | #else /* CONFIG_FIRMWARE_MEMMAP */ | ||
| 59 | |||
| 60 | static inline int firmware_map_add(resource_size_t start, resource_size_t end, | ||
| 61 | const char *type) | ||
| 62 | { | ||
| 63 | return 0; | ||
| 64 | } | ||
| 65 | |||
| 66 | static inline int firmware_map_add_early(resource_size_t start, | ||
| 67 | resource_size_t end, const char *type) | ||
| 68 | { | ||
| 69 | return 0; | ||
| 70 | } | ||
| 71 | |||
| 72 | #endif /* CONFIG_FIRMWARE_MEMMAP */ | ||
| 73 | |||
| 74 | #endif /* _LINUX_FIRMWARE_MAP_H */ | ||
diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 6c7eff2ebada..c8ecf5b2a207 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h | |||
| @@ -1,18 +1,39 @@ | |||
| 1 | #ifndef _LINUX_FIRMWARE_H | 1 | #ifndef _LINUX_FIRMWARE_H |
| 2 | #define _LINUX_FIRMWARE_H | 2 | #define _LINUX_FIRMWARE_H |
| 3 | |||
| 3 | #include <linux/module.h> | 4 | #include <linux/module.h> |
| 4 | #include <linux/types.h> | 5 | #include <linux/types.h> |
| 6 | #include <linux/compiler.h> | ||
| 7 | |||
| 5 | #define FIRMWARE_NAME_MAX 30 | 8 | #define FIRMWARE_NAME_MAX 30 |
| 6 | #define FW_ACTION_NOHOTPLUG 0 | 9 | #define FW_ACTION_NOHOTPLUG 0 |
| 7 | #define FW_ACTION_HOTPLUG 1 | 10 | #define FW_ACTION_HOTPLUG 1 |
| 8 | 11 | ||
| 9 | struct firmware { | 12 | struct firmware { |
| 10 | size_t size; | 13 | size_t size; |
| 11 | u8 *data; | 14 | const u8 *data; |
| 12 | }; | 15 | }; |
| 13 | 16 | ||
| 14 | struct device; | 17 | struct device; |
| 15 | 18 | ||
| 19 | struct builtin_fw { | ||
| 20 | char *name; | ||
| 21 | void *data; | ||
| 22 | unsigned long size; | ||
| 23 | }; | ||
| 24 | |||
| 25 | /* We have to play tricks here much like stringify() to get the | ||
| 26 | __COUNTER__ macro to be expanded as we want it */ | ||
| 27 | #define __fw_concat1(x, y) x##y | ||
| 28 | #define __fw_concat(x, y) __fw_concat1(x, y) | ||
| 29 | |||
| 30 | #define DECLARE_BUILTIN_FIRMWARE(name, blob) \ | ||
| 31 | DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob)) | ||
| 32 | |||
| 33 | #define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \ | ||
| 34 | static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \ | ||
| 35 | __used __section(.builtin_fw) = { name, blob, size } | ||
| 36 | |||
| 16 | #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) | 37 | #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) |
| 17 | int request_firmware(const struct firmware **fw, const char *name, | 38 | int request_firmware(const struct firmware **fw, const char *name, |
| 18 | struct device *device); | 39 | struct device *device); |
diff --git a/include/linux/fs.h b/include/linux/fs.h index d8e2762ed14d..52e510a0aec2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h | |||
| @@ -1740,6 +1740,8 @@ extern int wait_on_page_writeback_range(struct address_space *mapping, | |||
| 1740 | pgoff_t start, pgoff_t end); | 1740 | pgoff_t start, pgoff_t end); |
| 1741 | extern int __filemap_fdatawrite_range(struct address_space *mapping, | 1741 | extern int __filemap_fdatawrite_range(struct address_space *mapping, |
| 1742 | loff_t start, loff_t end, int sync_mode); | 1742 | loff_t start, loff_t end, int sync_mode); |
| 1743 | extern int filemap_fdatawrite_range(struct address_space *mapping, | ||
| 1744 | loff_t start, loff_t end); | ||
| 1743 | 1745 | ||
| 1744 | extern long do_fsync(struct file *file, int datasync); | 1746 | extern long do_fsync(struct file *file, int datasync); |
| 1745 | extern void sync_supers(void); | 1747 | extern void sync_supers(void); |
| @@ -1870,7 +1872,8 @@ extern void | |||
| 1870 | file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); | 1872 | file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping); |
| 1871 | extern loff_t no_llseek(struct file *file, loff_t offset, int origin); | 1873 | extern loff_t no_llseek(struct file *file, loff_t offset, int origin); |
| 1872 | extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin); | 1874 | extern loff_t generic_file_llseek(struct file *file, loff_t offset, int origin); |
| 1873 | extern loff_t remote_llseek(struct file *file, loff_t offset, int origin); | 1875 | extern loff_t generic_file_llseek_unlocked(struct file *file, loff_t offset, |
| 1876 | int origin); | ||
| 1874 | extern int generic_file_open(struct inode * inode, struct file * filp); | 1877 | extern int generic_file_open(struct inode * inode, struct file * filp); |
| 1875 | extern int nonseekable_open(struct inode * inode, struct file * filp); | 1878 | extern int nonseekable_open(struct inode * inode, struct file * filp); |
| 1876 | 1879 | ||
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h new file mode 100644 index 000000000000..f368d041e02d --- /dev/null +++ b/include/linux/ftrace.h | |||
| @@ -0,0 +1,144 @@ | |||
| 1 | #ifndef _LINUX_FTRACE_H | ||
| 2 | #define _LINUX_FTRACE_H | ||
| 3 | |||
| 4 | #ifdef CONFIG_FTRACE | ||
| 5 | |||
| 6 | #include <linux/linkage.h> | ||
| 7 | #include <linux/fs.h> | ||
| 8 | |||
| 9 | extern int ftrace_enabled; | ||
| 10 | extern int | ||
| 11 | ftrace_enable_sysctl(struct ctl_table *table, int write, | ||
| 12 | struct file *filp, void __user *buffer, size_t *lenp, | ||
| 13 | loff_t *ppos); | ||
| 14 | |||
| 15 | typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip); | ||
| 16 | |||
| 17 | struct ftrace_ops { | ||
| 18 | ftrace_func_t func; | ||
| 19 | struct ftrace_ops *next; | ||
| 20 | }; | ||
| 21 | |||
| 22 | /* | ||
| 23 | * The ftrace_ops must be a static and should also | ||
| 24 | * be read_mostly. These functions do modify read_mostly variables | ||
| 25 | * so use them sparely. Never free an ftrace_op or modify the | ||
| 26 | * next pointer after it has been registered. Even after unregistering | ||
| 27 | * it, the next pointer may still be used internally. | ||
| 28 | */ | ||
| 29 | int register_ftrace_function(struct ftrace_ops *ops); | ||
| 30 | int unregister_ftrace_function(struct ftrace_ops *ops); | ||
| 31 | void clear_ftrace_function(void); | ||
| 32 | |||
| 33 | extern void ftrace_stub(unsigned long a0, unsigned long a1); | ||
| 34 | |||
| 35 | #else /* !CONFIG_FTRACE */ | ||
| 36 | # define register_ftrace_function(ops) do { } while (0) | ||
| 37 | # define unregister_ftrace_function(ops) do { } while (0) | ||
| 38 | # define clear_ftrace_function(ops) do { } while (0) | ||
| 39 | #endif /* CONFIG_FTRACE */ | ||
| 40 | |||
| 41 | #ifdef CONFIG_DYNAMIC_FTRACE | ||
| 42 | # define FTRACE_HASHBITS 10 | ||
| 43 | # define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS) | ||
| 44 | |||
| 45 | enum { | ||
| 46 | FTRACE_FL_FREE = (1 << 0), | ||
| 47 | FTRACE_FL_FAILED = (1 << 1), | ||
| 48 | FTRACE_FL_FILTER = (1 << 2), | ||
| 49 | FTRACE_FL_ENABLED = (1 << 3), | ||
| 50 | FTRACE_FL_NOTRACE = (1 << 4), | ||
| 51 | FTRACE_FL_CONVERTED = (1 << 5), | ||
| 52 | FTRACE_FL_FROZEN = (1 << 6), | ||
| 53 | }; | ||
| 54 | |||
| 55 | struct dyn_ftrace { | ||
| 56 | struct hlist_node node; | ||
| 57 | unsigned long ip; /* address of mcount call-site */ | ||
| 58 | unsigned long flags; | ||
| 59 | }; | ||
| 60 | |||
| 61 | int ftrace_force_update(void); | ||
| 62 | void ftrace_set_filter(unsigned char *buf, int len, int reset); | ||
| 63 | |||
| 64 | /* defined in arch */ | ||
| 65 | extern int ftrace_ip_converted(unsigned long ip); | ||
| 66 | extern unsigned char *ftrace_nop_replace(void); | ||
| 67 | extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr); | ||
| 68 | extern int ftrace_dyn_arch_init(void *data); | ||
| 69 | extern int ftrace_mcount_set(unsigned long *data); | ||
| 70 | extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code, | ||
| 71 | unsigned char *new_code); | ||
| 72 | extern int ftrace_update_ftrace_func(ftrace_func_t func); | ||
| 73 | extern void ftrace_caller(void); | ||
| 74 | extern void ftrace_call(void); | ||
| 75 | extern void mcount_call(void); | ||
| 76 | |||
| 77 | extern int skip_trace(unsigned long ip); | ||
| 78 | |||
| 79 | void ftrace_disable_daemon(void); | ||
| 80 | void ftrace_enable_daemon(void); | ||
| 81 | |||
| 82 | #else | ||
| 83 | # define skip_trace(ip) ({ 0; }) | ||
| 84 | # define ftrace_force_update() ({ 0; }) | ||
| 85 | # define ftrace_set_filter(buf, len, reset) do { } while (0) | ||
| 86 | # define ftrace_disable_daemon() do { } while (0) | ||
| 87 | # define ftrace_enable_daemon() do { } while (0) | ||
| 88 | #endif /* CONFIG_DYNAMIC_FTRACE */ | ||
| 89 | |||
| 90 | /* totally disable ftrace - can not re-enable after this */ | ||
| 91 | void ftrace_kill(void); | ||
| 92 | void ftrace_kill_atomic(void); | ||
| 93 | |||
| 94 | static inline void tracer_disable(void) | ||
| 95 | { | ||
| 96 | #ifdef CONFIG_FTRACE | ||
| 97 | ftrace_enabled = 0; | ||
| 98 | #endif | ||
| 99 | } | ||
| 100 | |||
| 101 | #ifdef CONFIG_FRAME_POINTER | ||
| 102 | /* TODO: need to fix this for ARM */ | ||
| 103 | # define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) | ||
| 104 | # define CALLER_ADDR1 ((unsigned long)__builtin_return_address(1)) | ||
| 105 | # define CALLER_ADDR2 ((unsigned long)__builtin_return_address(2)) | ||
| 106 | # define CALLER_ADDR3 ((unsigned long)__builtin_return_address(3)) | ||
| 107 | # define CALLER_ADDR4 ((unsigned long)__builtin_return_address(4)) | ||
| 108 | # define CALLER_ADDR5 ((unsigned long)__builtin_return_address(5)) | ||
| 109 | # define CALLER_ADDR6 ((unsigned long)__builtin_return_address(6)) | ||
| 110 | #else | ||
| 111 | # define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0)) | ||
| 112 | # define CALLER_ADDR1 0UL | ||
| 113 | # define CALLER_ADDR2 0UL | ||
| 114 | # define CALLER_ADDR3 0UL | ||
| 115 | # define CALLER_ADDR4 0UL | ||
| 116 | # define CALLER_ADDR5 0UL | ||
| 117 | # define CALLER_ADDR6 0UL | ||
| 118 | #endif | ||
| 119 | |||
| 120 | #ifdef CONFIG_IRQSOFF_TRACER | ||
| 121 | extern void time_hardirqs_on(unsigned long a0, unsigned long a1); | ||
| 122 | extern void time_hardirqs_off(unsigned long a0, unsigned long a1); | ||
| 123 | #else | ||
| 124 | # define time_hardirqs_on(a0, a1) do { } while (0) | ||
| 125 | # define time_hardirqs_off(a0, a1) do { } while (0) | ||
| 126 | #endif | ||
| 127 | |||
| 128 | #ifdef CONFIG_PREEMPT_TRACER | ||
| 129 | extern void trace_preempt_on(unsigned long a0, unsigned long a1); | ||
| 130 | extern void trace_preempt_off(unsigned long a0, unsigned long a1); | ||
| 131 | #else | ||
| 132 | # define trace_preempt_on(a0, a1) do { } while (0) | ||
| 133 | # define trace_preempt_off(a0, a1) do { } while (0) | ||
| 134 | #endif | ||
| 135 | |||
| 136 | #ifdef CONFIG_TRACING | ||
| 137 | extern void | ||
| 138 | ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3); | ||
| 139 | #else | ||
| 140 | static inline void | ||
| 141 | ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } | ||
| 142 | #endif | ||
| 143 | |||
| 144 | #endif /* _LINUX_FTRACE_H */ | ||
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ae7aec3cabee..e8787417f65a 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h | |||
| @@ -110,6 +110,14 @@ struct hd_struct { | |||
| 110 | #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 | 110 | #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 |
| 111 | #define GENHD_FL_FAIL 64 | 111 | #define GENHD_FL_FAIL 64 |
| 112 | 112 | ||
| 113 | #define BLK_SCSI_MAX_CMDS (256) | ||
| 114 | #define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) | ||
| 115 | |||
| 116 | struct blk_scsi_cmd_filter { | ||
| 117 | unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; | ||
| 118 | unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; | ||
| 119 | struct kobject kobj; | ||
| 120 | }; | ||
| 113 | 121 | ||
| 114 | struct gendisk { | 122 | struct gendisk { |
| 115 | int major; /* major number of driver */ | 123 | int major; /* major number of driver */ |
| @@ -120,6 +128,7 @@ struct gendisk { | |||
| 120 | struct hd_struct **part; /* [indexed by minor] */ | 128 | struct hd_struct **part; /* [indexed by minor] */ |
| 121 | struct block_device_operations *fops; | 129 | struct block_device_operations *fops; |
| 122 | struct request_queue *queue; | 130 | struct request_queue *queue; |
| 131 | struct blk_scsi_cmd_filter cmd_filter; | ||
| 123 | void *private_data; | 132 | void *private_data; |
| 124 | sector_t capacity; | 133 | sector_t capacity; |
| 125 | 134 | ||
| @@ -141,6 +150,9 @@ struct gendisk { | |||
| 141 | struct disk_stats dkstats; | 150 | struct disk_stats dkstats; |
| 142 | #endif | 151 | #endif |
| 143 | struct work_struct async_notify; | 152 | struct work_struct async_notify; |
| 153 | #ifdef CONFIG_BLK_DEV_INTEGRITY | ||
| 154 | struct blk_integrity *integrity; | ||
| 155 | #endif | ||
| 144 | }; | 156 | }; |
| 145 | 157 | ||
| 146 | /* | 158 | /* |
diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h index 77afbb60fd11..0177d280f733 100644 --- a/include/linux/i2c-algo-pcf.h +++ b/include/linux/i2c-algo-pcf.h | |||
| @@ -33,9 +33,11 @@ struct i2c_algo_pcf_data { | |||
| 33 | int (*getclock) (void *data); | 33 | int (*getclock) (void *data); |
| 34 | void (*waitforpin) (void); | 34 | void (*waitforpin) (void); |
| 35 | 35 | ||
| 36 | /* local settings */ | 36 | /* Multi-master lost arbitration back-off delay (msecs) |
| 37 | int udelay; | 37 | * This should be set by the bus adapter or knowledgable client |
| 38 | int timeout; | 38 | * if bus is multi-mastered, else zero |
| 39 | */ | ||
| 40 | unsigned long lab_mdelay; | ||
| 39 | }; | 41 | }; |
| 40 | 42 | ||
| 41 | int i2c_pcf_add_bus(struct i2c_adapter *); | 43 | int i2c_pcf_add_bus(struct i2c_adapter *); |
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 580acc93903e..ef13b7c66df3 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h | |||
| @@ -91,8 +91,6 @@ | |||
| 91 | #define I2C_DRIVERID_M52790 95 /* Mitsubishi M52790SP/FP AV switch */ | 91 | #define I2C_DRIVERID_M52790 95 /* Mitsubishi M52790SP/FP AV switch */ |
| 92 | #define I2C_DRIVERID_CS5345 96 /* cs5345 audio processor */ | 92 | #define I2C_DRIVERID_CS5345 96 /* cs5345 audio processor */ |
| 93 | 93 | ||
| 94 | #define I2C_DRIVERID_I2CDEV 900 | ||
| 95 | |||
| 96 | #define I2C_DRIVERID_OV7670 1048 /* Omnivision 7670 camera */ | 94 | #define I2C_DRIVERID_OV7670 1048 /* Omnivision 7670 camera */ |
| 97 | 95 | ||
| 98 | /* | 96 | /* |
| @@ -111,7 +109,6 @@ | |||
| 111 | #define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */ | 109 | #define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */ |
| 112 | #define I2C_HW_B_IOC 0x010011 /* IOC bit-wiggling */ | 110 | #define I2C_HW_B_IOC 0x010011 /* IOC bit-wiggling */ |
| 113 | #define I2C_HW_B_IXP2000 0x010016 /* GPIO on IXP2000 systems */ | 111 | #define I2C_HW_B_IXP2000 0x010016 /* GPIO on IXP2000 systems */ |
| 114 | #define I2C_HW_B_S3VIA 0x010018 /* S3Via ProSavage adapter */ | ||
| 115 | #define I2C_HW_B_ZR36067 0x010019 /* Zoran-36057/36067 based boards */ | 112 | #define I2C_HW_B_ZR36067 0x010019 /* Zoran-36057/36067 based boards */ |
| 116 | #define I2C_HW_B_PCILYNX 0x01001a /* TI PCILynx I2C adapter */ | 113 | #define I2C_HW_B_PCILYNX 0x01001a /* TI PCILynx I2C adapter */ |
| 117 | #define I2C_HW_B_CX2388x 0x01001b /* connexant 2388x based tv cards */ | 114 | #define I2C_HW_B_CX2388x 0x01001b /* connexant 2388x based tv cards */ |
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 8dc730132192..08be0d21864c 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h | |||
| @@ -35,6 +35,8 @@ | |||
| 35 | #include <linux/sched.h> /* for completion */ | 35 | #include <linux/sched.h> /* for completion */ |
| 36 | #include <linux/mutex.h> | 36 | #include <linux/mutex.h> |
| 37 | 37 | ||
| 38 | extern struct bus_type i2c_bus_type; | ||
| 39 | |||
| 38 | /* --- General options ------------------------------------------------ */ | 40 | /* --- General options ------------------------------------------------ */ |
| 39 | 41 | ||
| 40 | struct i2c_msg; | 42 | struct i2c_msg; |
| @@ -43,6 +45,7 @@ struct i2c_adapter; | |||
| 43 | struct i2c_client; | 45 | struct i2c_client; |
| 44 | struct i2c_driver; | 46 | struct i2c_driver; |
| 45 | union i2c_smbus_data; | 47 | union i2c_smbus_data; |
| 48 | struct i2c_board_info; | ||
| 46 | 49 | ||
| 47 | /* | 50 | /* |
| 48 | * The master routines are the ones normally used to transmit data to devices | 51 | * The master routines are the ones normally used to transmit data to devices |
| @@ -69,9 +72,8 @@ extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, | |||
| 69 | union i2c_smbus_data * data); | 72 | union i2c_smbus_data * data); |
| 70 | 73 | ||
| 71 | /* Now follow the 'nice' access routines. These also document the calling | 74 | /* Now follow the 'nice' access routines. These also document the calling |
| 72 | conventions of smbus_access. */ | 75 | conventions of i2c_smbus_xfer. */ |
| 73 | 76 | ||
| 74 | extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value); | ||
| 75 | extern s32 i2c_smbus_read_byte(struct i2c_client * client); | 77 | extern s32 i2c_smbus_read_byte(struct i2c_client * client); |
| 76 | extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value); | 78 | extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value); |
| 77 | extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command); | 79 | extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command); |
| @@ -93,15 +95,33 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client, | |||
| 93 | u8 command, u8 length, | 95 | u8 command, u8 length, |
| 94 | const u8 *values); | 96 | const u8 *values); |
| 95 | 97 | ||
| 96 | /* | 98 | /** |
| 97 | * A driver is capable of handling one or more physical devices present on | 99 | * struct i2c_driver - represent an I2C device driver |
| 98 | * I2C adapters. This information is used to inform the driver of adapter | 100 | * @class: What kind of i2c device we instantiate (for detect) |
| 99 | * events. | 101 | * @detect: Callback for device detection |
| 102 | * @address_data: The I2C addresses to probe, ignore or force (for detect) | ||
| 103 | * @clients: List of detected clients we created (for i2c-core use only) | ||
| 100 | * | 104 | * |
| 101 | * The driver.owner field should be set to the module owner of this driver. | 105 | * The driver.owner field should be set to the module owner of this driver. |
| 102 | * The driver.name field should be set to the name of this driver. | 106 | * The driver.name field should be set to the name of this driver. |
| 107 | * | ||
| 108 | * For automatic device detection, both @detect and @address_data must | ||
| 109 | * be defined. @class should also be set, otherwise only devices forced | ||
| 110 | * with module parameters will be created. The detect function must | ||
| 111 | * fill at least the name field of the i2c_board_info structure it is | ||
| 112 | * handed upon successful detection, and possibly also the flags field. | ||
| 113 | * | ||
| 114 | * If @detect is missing, the driver will still work fine for enumerated | ||
| 115 | * devices. Detected devices simply won't be supported. This is expected | ||
| 116 | * for the many I2C/SMBus devices which can't be detected reliably, and | ||
| 117 | * the ones which can always be enumerated in practice. | ||
| 118 | * | ||
| 119 | * The i2c_client structure which is handed to the @detect callback is | ||
| 120 | * not a real i2c_client. It is initialized just enough so that you can | ||
| 121 | * call i2c_smbus_read_byte_data and friends on it. Don't do anything | ||
| 122 | * else with it. In particular, calling dev_dbg and friends on it is | ||
| 123 | * not allowed. | ||
| 103 | */ | 124 | */ |
| 104 | |||
| 105 | struct i2c_driver { | 125 | struct i2c_driver { |
| 106 | int id; | 126 | int id; |
| 107 | unsigned int class; | 127 | unsigned int class; |
| @@ -141,6 +161,11 @@ struct i2c_driver { | |||
| 141 | 161 | ||
| 142 | struct device_driver driver; | 162 | struct device_driver driver; |
| 143 | const struct i2c_device_id *id_table; | 163 | const struct i2c_device_id *id_table; |
| 164 | |||
| 165 | /* Device detection callback for automatic device creation */ | ||
| 166 | int (*detect)(struct i2c_client *, int kind, struct i2c_board_info *); | ||
| 167 | const struct i2c_client_address_data *address_data; | ||
| 168 | struct list_head clients; | ||
| 144 | }; | 169 | }; |
| 145 | #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) | 170 | #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) |
| 146 | 171 | ||
| @@ -156,6 +181,7 @@ struct i2c_driver { | |||
| 156 | * @dev: Driver model device node for the slave. | 181 | * @dev: Driver model device node for the slave. |
| 157 | * @irq: indicates the IRQ generated by this device (if any) | 182 | * @irq: indicates the IRQ generated by this device (if any) |
| 158 | * @list: list of active/busy clients (DEPRECATED) | 183 | * @list: list of active/busy clients (DEPRECATED) |
| 184 | * @detected: member of an i2c_driver.clients list | ||
| 159 | * @released: used to synchronize client releases & detaches and references | 185 | * @released: used to synchronize client releases & detaches and references |
| 160 | * | 186 | * |
| 161 | * An i2c_client identifies a single device (i.e. chip) connected to an | 187 | * An i2c_client identifies a single device (i.e. chip) connected to an |
| @@ -173,6 +199,7 @@ struct i2c_client { | |||
| 173 | struct device dev; /* the device structure */ | 199 | struct device dev; /* the device structure */ |
| 174 | int irq; /* irq issued by device */ | 200 | int irq; /* irq issued by device */ |
| 175 | struct list_head list; /* DEPRECATED */ | 201 | struct list_head list; /* DEPRECATED */ |
| 202 | struct list_head detected; | ||
| 176 | struct completion released; | 203 | struct completion released; |
| 177 | }; | 204 | }; |
| 178 | #define to_i2c_client(d) container_of(d, struct i2c_client, dev) | 205 | #define to_i2c_client(d) container_of(d, struct i2c_client, dev) |
| @@ -350,10 +377,11 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data) | |||
| 350 | #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ | 377 | #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ |
| 351 | #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */ | 378 | #define I2C_CLASS_TV_ANALOG (1<<1) /* bttv + friends */ |
| 352 | #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */ | 379 | #define I2C_CLASS_TV_DIGITAL (1<<2) /* dvb cards */ |
| 353 | #define I2C_CLASS_DDC (1<<3) /* i2c-matroxfb ? */ | 380 | #define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ |
| 354 | #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */ | 381 | #define I2C_CLASS_CAM_ANALOG (1<<4) /* camera with analog CCD */ |
| 355 | #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */ | 382 | #define I2C_CLASS_CAM_DIGITAL (1<<5) /* most webcams */ |
| 356 | #define I2C_CLASS_SOUND (1<<6) /* sound devices */ | 383 | #define I2C_CLASS_SOUND (1<<6) /* sound devices */ |
| 384 | #define I2C_CLASS_SPD (1<<7) /* SPD EEPROMs and similar */ | ||
| 357 | #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */ | 385 | #define I2C_CLASS_ALL (UINT_MAX) /* all of the above */ |
| 358 | 386 | ||
| 359 | /* i2c_client_address_data is the struct for holding default client | 387 | /* i2c_client_address_data is the struct for holding default client |
| @@ -537,7 +565,7 @@ union i2c_smbus_data { | |||
| 537 | /* and one more for user-space compatibility */ | 565 | /* and one more for user-space compatibility */ |
| 538 | }; | 566 | }; |
| 539 | 567 | ||
| 540 | /* smbus_access read or write markers */ | 568 | /* i2c_smbus_xfer read or write markers */ |
| 541 | #define I2C_SMBUS_READ 1 | 569 | #define I2C_SMBUS_READ 1 |
| 542 | #define I2C_SMBUS_WRITE 0 | 570 | #define I2C_SMBUS_WRITE 0 |
| 543 | 571 | ||
diff --git a/include/linux/i2c/at24.h b/include/linux/i2c/at24.h new file mode 100644 index 000000000000..f6edd522a929 --- /dev/null +++ b/include/linux/i2c/at24.h | |||
| @@ -0,0 +1,28 @@ | |||
| 1 | #ifndef _LINUX_AT24_H | ||
| 2 | #define _LINUX_AT24_H | ||
| 3 | |||
| 4 | #include <linux/types.h> | ||
| 5 | |||
| 6 | /* | ||
| 7 | * As seen through Linux I2C, differences between the most common types of I2C | ||
| 8 | * memory include: | ||
| 9 | * - How much memory is available (usually specified in bit)? | ||
| 10 | * - What write page size does it support? | ||
| 11 | * - Special flags (16 bit addresses, read_only, world readable...)? | ||
| 12 | * | ||
| 13 | * If you set up a custom eeprom type, please double-check the parameters. | ||
| 14 | * Especially page_size needs extra care, as you risk data loss if your value | ||
| 15 | * is bigger than what the chip actually supports! | ||
| 16 | */ | ||
| 17 | |||
| 18 | struct at24_platform_data { | ||
| 19 | u32 byte_len; /* size (sum of all addr) */ | ||
| 20 | u16 page_size; /* for writes */ | ||
| 21 | u8 flags; | ||
| 22 | #define AT24_FLAG_ADDR16 0x80 /* address pointer is 16 bit */ | ||
| 23 | #define AT24_FLAG_READONLY 0x40 /* sysfs-entry will be read-only */ | ||
| 24 | #define AT24_FLAG_IRUGO 0x20 /* sysfs-entry will be world-readable */ | ||
| 25 | #define AT24_FLAG_TAKE8ADDR 0x10 /* take always 8 addresses (24c00) */ | ||
| 26 | }; | ||
| 27 | |||
| 28 | #endif /* _LINUX_AT24_H */ | ||
diff --git a/include/linux/ide.h b/include/linux/ide.h index eddb6daadf4a..ac4eeb2932ef 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h | |||
| @@ -364,7 +364,6 @@ typedef struct ide_drive_s { | |||
| 364 | u8 wcache; /* status of write cache */ | 364 | u8 wcache; /* status of write cache */ |
| 365 | u8 acoustic; /* acoustic management */ | 365 | u8 acoustic; /* acoustic management */ |
| 366 | u8 media; /* disk, cdrom, tape, floppy, ... */ | 366 | u8 media; /* disk, cdrom, tape, floppy, ... */ |
| 367 | u8 ctl; /* "normal" value for Control register */ | ||
| 368 | u8 ready_stat; /* min status value for drive ready */ | 367 | u8 ready_stat; /* min status value for drive ready */ |
| 369 | u8 mult_count; /* current multiple sector setting */ | 368 | u8 mult_count; /* current multiple sector setting */ |
| 370 | u8 mult_req; /* requested multiple sector setting */ | 369 | u8 mult_req; /* requested multiple sector setting */ |
| @@ -493,7 +492,7 @@ typedef struct hwif_s { | |||
| 493 | void (*ide_dma_clear_irq)(ide_drive_t *drive); | 492 | void (*ide_dma_clear_irq)(ide_drive_t *drive); |
| 494 | 493 | ||
| 495 | void (*OUTB)(u8 addr, unsigned long port); | 494 | void (*OUTB)(u8 addr, unsigned long port); |
| 496 | void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port); | 495 | void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port); |
| 497 | 496 | ||
| 498 | u8 (*INB)(unsigned long port); | 497 | u8 (*INB)(unsigned long port); |
| 499 | 498 | ||
| @@ -532,7 +531,6 @@ typedef struct hwif_s { | |||
| 532 | unsigned serialized : 1; /* serialized all channel operation */ | 531 | unsigned serialized : 1; /* serialized all channel operation */ |
| 533 | unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ | 532 | unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ |
| 534 | unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ | 533 | unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ |
| 535 | unsigned mmio : 1; /* host uses MMIO */ | ||
| 536 | 534 | ||
| 537 | struct device gendev; | 535 | struct device gendev; |
| 538 | struct device *portdev; | 536 | struct device *portdev; |
| @@ -604,12 +602,13 @@ enum { | |||
| 604 | PC_FLAG_SUPPRESS_ERROR = (1 << 1), | 602 | PC_FLAG_SUPPRESS_ERROR = (1 << 1), |
| 605 | PC_FLAG_WAIT_FOR_DSC = (1 << 2), | 603 | PC_FLAG_WAIT_FOR_DSC = (1 << 2), |
| 606 | PC_FLAG_DMA_OK = (1 << 3), | 604 | PC_FLAG_DMA_OK = (1 << 3), |
| 607 | PC_FLAG_DMA_RECOMMENDED = (1 << 4), | 605 | PC_FLAG_DMA_IN_PROGRESS = (1 << 4), |
| 608 | PC_FLAG_DMA_IN_PROGRESS = (1 << 5), | 606 | PC_FLAG_DMA_ERROR = (1 << 5), |
| 609 | PC_FLAG_DMA_ERROR = (1 << 6), | 607 | PC_FLAG_WRITING = (1 << 6), |
| 610 | PC_FLAG_WRITING = (1 << 7), | ||
| 611 | /* command timed out */ | 608 | /* command timed out */ |
| 612 | PC_FLAG_TIMEDOUT = (1 << 8), | 609 | PC_FLAG_TIMEDOUT = (1 << 7), |
| 610 | PC_FLAG_ZIP_DRIVE = (1 << 8), | ||
| 611 | PC_FLAG_DRQ_INTERRUPT = (1 << 9), | ||
| 613 | }; | 612 | }; |
| 614 | 613 | ||
| 615 | struct ide_atapi_pc { | 614 | struct ide_atapi_pc { |
| @@ -642,8 +641,8 @@ struct ide_atapi_pc { | |||
| 642 | * to change/removal later. | 641 | * to change/removal later. |
| 643 | */ | 642 | */ |
| 644 | u8 pc_buf[256]; | 643 | u8 pc_buf[256]; |
| 645 | void (*idefloppy_callback) (ide_drive_t *); | 644 | |
| 646 | ide_startstop_t (*idetape_callback) (ide_drive_t *); | 645 | void (*callback)(ide_drive_t *); |
| 647 | 646 | ||
| 648 | /* idetape only */ | 647 | /* idetape only */ |
| 649 | struct idetape_bh *bh; | 648 | struct idetape_bh *bh; |
| @@ -813,10 +812,6 @@ int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsig | |||
| 813 | #ifndef _IDE_C | 812 | #ifndef _IDE_C |
| 814 | extern ide_hwif_t ide_hwifs[]; /* master data repository */ | 813 | extern ide_hwif_t ide_hwifs[]; /* master data repository */ |
| 815 | #endif | 814 | #endif |
| 816 | extern int ide_noacpi; | ||
| 817 | extern int ide_acpigtf; | ||
| 818 | extern int ide_acpionboot; | ||
| 819 | extern int noautodma; | ||
| 820 | 815 | ||
| 821 | extern int ide_vlb_clk; | 816 | extern int ide_vlb_clk; |
| 822 | extern int ide_pci_clk; | 817 | extern int ide_pci_clk; |
| @@ -857,25 +852,12 @@ int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); | |||
| 857 | 852 | ||
| 858 | extern ide_startstop_t ide_do_reset (ide_drive_t *); | 853 | extern ide_startstop_t ide_do_reset (ide_drive_t *); |
| 859 | 854 | ||
| 860 | extern void ide_init_drive_cmd (struct request *rq); | 855 | extern void ide_do_drive_cmd(ide_drive_t *, struct request *); |
| 861 | |||
| 862 | /* | ||
| 863 | * "action" parameter type for ide_do_drive_cmd() below. | ||
| 864 | */ | ||
| 865 | typedef enum { | ||
| 866 | ide_wait, /* insert rq at end of list, and wait for it */ | ||
| 867 | ide_preempt, /* insert rq in front of current request */ | ||
| 868 | ide_head_wait, /* insert rq in front of current request and wait for it */ | ||
| 869 | ide_end /* insert rq at end of list, but don't wait for it */ | ||
| 870 | } ide_action_t; | ||
| 871 | |||
| 872 | extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t); | ||
| 873 | 856 | ||
| 874 | extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); | 857 | extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); |
| 875 | 858 | ||
| 876 | enum { | 859 | enum { |
| 877 | IDE_TFLAG_LBA48 = (1 << 0), | 860 | IDE_TFLAG_LBA48 = (1 << 0), |
| 878 | IDE_TFLAG_NO_SELECT_MASK = (1 << 1), | ||
| 879 | IDE_TFLAG_FLAGGED = (1 << 2), | 861 | IDE_TFLAG_FLAGGED = (1 << 2), |
| 880 | IDE_TFLAG_OUT_DATA = (1 << 3), | 862 | IDE_TFLAG_OUT_DATA = (1 << 3), |
| 881 | IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), | 863 | IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), |
| @@ -980,11 +962,23 @@ typedef struct ide_task_s { | |||
| 980 | void ide_tf_dump(const char *, struct ide_taskfile *); | 962 | void ide_tf_dump(const char *, struct ide_taskfile *); |
| 981 | 963 | ||
| 982 | extern void SELECT_DRIVE(ide_drive_t *); | 964 | extern void SELECT_DRIVE(ide_drive_t *); |
| 965 | void SELECT_MASK(ide_drive_t *, int); | ||
| 983 | 966 | ||
| 984 | extern int drive_is_ready(ide_drive_t *); | 967 | extern int drive_is_ready(ide_drive_t *); |
| 985 | 968 | ||
| 986 | void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); | 969 | void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); |
| 987 | 970 | ||
| 971 | ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, | ||
| 972 | ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, | ||
| 973 | void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), | ||
| 974 | void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), | ||
| 975 | void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, | ||
| 976 | int)); | ||
| 977 | ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, | ||
| 978 | ide_handler_t *, unsigned int, ide_expiry_t *); | ||
| 979 | ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *, | ||
| 980 | ide_handler_t *, unsigned int, ide_expiry_t *); | ||
| 981 | |||
| 988 | ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); | 982 | ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); |
| 989 | 983 | ||
| 990 | void task_end_request(ide_drive_t *, struct request *, u8); | 984 | void task_end_request(ide_drive_t *, struct request *, u8); |
| @@ -996,8 +990,6 @@ int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); | |||
| 996 | int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); | 990 | int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); |
| 997 | int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); | 991 | int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); |
| 998 | 992 | ||
| 999 | extern int system_bus_clock(void); | ||
| 1000 | |||
| 1001 | extern int ide_driveid_update(ide_drive_t *); | 993 | extern int ide_driveid_update(ide_drive_t *); |
| 1002 | extern int ide_config_drive_speed(ide_drive_t *, u8); | 994 | extern int ide_config_drive_speed(ide_drive_t *, u8); |
| 1003 | extern u8 eighty_ninty_three (ide_drive_t *); | 995 | extern u8 eighty_ninty_three (ide_drive_t *); |
| @@ -1349,7 +1341,8 @@ static inline void ide_set_irq(ide_drive_t *drive, int on) | |||
| 1349 | { | 1341 | { |
| 1350 | ide_hwif_t *hwif = drive->hwif; | 1342 | ide_hwif_t *hwif = drive->hwif; |
| 1351 | 1343 | ||
| 1352 | hwif->OUTB(drive->ctl | (on ? 0 : 2), hwif->io_ports.ctl_addr); | 1344 | hwif->OUTBSYNC(hwif, ATA_DEVCTL_OBS | (on ? 0 : 2), |
| 1345 | hwif->io_ports.ctl_addr); | ||
| 1353 | } | 1346 | } |
| 1354 | 1347 | ||
| 1355 | static inline u8 ide_read_status(ide_drive_t *drive) | 1348 | static inline u8 ide_read_status(ide_drive_t *drive) |
diff --git a/include/linux/ihex.h b/include/linux/ihex.h new file mode 100644 index 000000000000..2baace2788a7 --- /dev/null +++ b/include/linux/ihex.h | |||
| @@ -0,0 +1,74 @@ | |||
| 1 | /* | ||
| 2 | * Compact binary representation of ihex records. Some devices need their | ||
| 3 | * firmware loaded in strange orders rather than a single big blob, but | ||
| 4 | * actually parsing ihex-as-text within the kernel seems silly. Thus,... | ||
| 5 | */ | ||
| 6 | |||
| 7 | #ifndef __LINUX_IHEX_H__ | ||
| 8 | #define __LINUX_IHEX_H__ | ||
| 9 | |||
| 10 | #include <linux/types.h> | ||
| 11 | #include <linux/firmware.h> | ||
| 12 | #include <linux/device.h> | ||
| 13 | |||
| 14 | /* Intel HEX files actually limit the length to 256 bytes, but we have | ||
| 15 | drivers which would benefit from using separate records which are | ||
| 16 | longer than that, so we extend to 16 bits of length */ | ||
| 17 | struct ihex_binrec { | ||
| 18 | __be32 addr; | ||
| 19 | __be16 len; | ||
| 20 | uint8_t data[0]; | ||
| 21 | } __attribute__((aligned(4))); | ||
| 22 | |||
| 23 | /* Find the next record, taking into account the 4-byte alignment */ | ||
| 24 | static inline const struct ihex_binrec * | ||
| 25 | ihex_next_binrec(const struct ihex_binrec *rec) | ||
| 26 | { | ||
| 27 | int next = ((be16_to_cpu(rec->len) + 5) & ~3) - 2; | ||
| 28 | rec = (void *)&rec->data[next]; | ||
| 29 | |||
| 30 | return be16_to_cpu(rec->len) ? rec : NULL; | ||
| 31 | } | ||
| 32 | |||
| 33 | /* Check that ihex_next_binrec() won't take us off the end of the image... */ | ||
| 34 | static inline int ihex_validate_fw(const struct firmware *fw) | ||
| 35 | { | ||
| 36 | const struct ihex_binrec *rec; | ||
| 37 | size_t ofs = 0; | ||
| 38 | |||
| 39 | while (ofs <= fw->size - sizeof(*rec)) { | ||
| 40 | rec = (void *)&fw->data[ofs]; | ||
| 41 | |||
| 42 | /* Zero length marks end of records */ | ||
| 43 | if (!be16_to_cpu(rec->len)) | ||
| 44 | return 0; | ||
| 45 | |||
| 46 | /* Point to next record... */ | ||
| 47 | ofs += (sizeof(*rec) + be16_to_cpu(rec->len) + 3) & ~3; | ||
| 48 | } | ||
| 49 | return -EINVAL; | ||
| 50 | } | ||
| 51 | |||
| 52 | /* Request firmware and validate it so that we can trust we won't | ||
| 53 | * run off the end while reading records... */ | ||
| 54 | static inline int request_ihex_firmware(const struct firmware **fw, | ||
| 55 | const char *fw_name, | ||
| 56 | struct device *dev) | ||
| 57 | { | ||
| 58 | const struct firmware *lfw; | ||
| 59 | int ret; | ||
| 60 | |||
| 61 | ret = request_firmware(&lfw, fw_name, dev); | ||
| 62 | if (ret) | ||
| 63 | return ret; | ||
| 64 | ret = ihex_validate_fw(lfw); | ||
| 65 | if (ret) { | ||
| 66 | dev_err(dev, "Firmware \"%s\" not valid IHEX records\n", | ||
| 67 | fw_name); | ||
| 68 | release_firmware(lfw); | ||
| 69 | return ret; | ||
| 70 | } | ||
| 71 | *fw = lfw; | ||
| 72 | return 0; | ||
| 73 | } | ||
| 74 | #endif /* __LINUX_IHEX_H__ */ | ||
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index f1fc7470d26c..62aa4f895abe 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h | |||
| @@ -104,8 +104,11 @@ extern void enable_irq(unsigned int irq); | |||
| 104 | 104 | ||
| 105 | #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS) | 105 | #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS) |
| 106 | 106 | ||
| 107 | extern cpumask_t irq_default_affinity; | ||
| 108 | |||
| 107 | extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask); | 109 | extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask); |
| 108 | extern int irq_can_set_affinity(unsigned int irq); | 110 | extern int irq_can_set_affinity(unsigned int irq); |
| 111 | extern int irq_select_affinity(unsigned int irq); | ||
| 109 | 112 | ||
| 110 | #else /* CONFIG_SMP */ | 113 | #else /* CONFIG_SMP */ |
| 111 | 114 | ||
| @@ -119,6 +122,8 @@ static inline int irq_can_set_affinity(unsigned int irq) | |||
| 119 | return 0; | 122 | return 0; |
| 120 | } | 123 | } |
| 121 | 124 | ||
| 125 | static inline int irq_select_affinity(unsigned int irq) { return 0; } | ||
| 126 | |||
| 122 | #endif /* CONFIG_SMP && CONFIG_GENERIC_HARDIRQS */ | 127 | #endif /* CONFIG_SMP && CONFIG_GENERIC_HARDIRQS */ |
| 123 | 128 | ||
| 124 | #ifdef CONFIG_GENERIC_HARDIRQS | 129 | #ifdef CONFIG_GENERIC_HARDIRQS |
| @@ -285,12 +290,11 @@ enum | |||
| 285 | struct softirq_action | 290 | struct softirq_action |
| 286 | { | 291 | { |
| 287 | void (*action)(struct softirq_action *); | 292 | void (*action)(struct softirq_action *); |
| 288 | void *data; | ||
| 289 | }; | 293 | }; |
| 290 | 294 | ||
| 291 | asmlinkage void do_softirq(void); | 295 | asmlinkage void do_softirq(void); |
| 292 | asmlinkage void __do_softirq(void); | 296 | asmlinkage void __do_softirq(void); |
| 293 | extern void open_softirq(int nr, void (*action)(struct softirq_action*), void *data); | 297 | extern void open_softirq(int nr, void (*action)(struct softirq_action *)); |
| 294 | extern void softirq_init(void); | 298 | extern void softirq_init(void); |
| 295 | #define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0) | 299 | #define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0) |
| 296 | extern void raise_softirq_irqoff(unsigned int nr); | 300 | extern void raise_softirq_irqoff(unsigned int nr); |
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 2b7a1187cb29..08b987bccf89 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h | |||
| @@ -99,4 +99,22 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc) | |||
| 99 | return NULL; | 99 | return NULL; |
| 100 | } | 100 | } |
| 101 | 101 | ||
| 102 | #ifdef CONFIG_BLOCK | ||
| 103 | int put_io_context(struct io_context *ioc); | ||
| 104 | void exit_io_context(void); | ||
| 105 | struct io_context *get_io_context(gfp_t gfp_flags, int node); | ||
| 106 | struct io_context *alloc_io_context(gfp_t gfp_flags, int node); | ||
| 107 | void copy_io_context(struct io_context **pdst, struct io_context **psrc); | ||
| 108 | #else | ||
| 109 | static inline void exit_io_context(void) | ||
| 110 | { | ||
| 111 | } | ||
| 112 | |||
| 113 | struct io_context; | ||
| 114 | static inline int put_io_context(struct io_context *ioc) | ||
| 115 | { | ||
| 116 | return 1; | ||
| 117 | } | ||
| 118 | #endif | ||
| 119 | |||
| 102 | #endif | 120 | #endif |
diff --git a/include/linux/irq.h b/include/linux/irq.h index 552e0ec269c9..8ccb462ea42c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h | |||
| @@ -244,15 +244,6 @@ static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) | |||
| 244 | } | 244 | } |
| 245 | #endif | 245 | #endif |
| 246 | 246 | ||
| 247 | #ifdef CONFIG_AUTO_IRQ_AFFINITY | ||
| 248 | extern int select_smp_affinity(unsigned int irq); | ||
| 249 | #else | ||
| 250 | static inline int select_smp_affinity(unsigned int irq) | ||
| 251 | { | ||
| 252 | return 1; | ||
| 253 | } | ||
| 254 | #endif | ||
| 255 | |||
| 256 | extern int no_irq_affinity; | 247 | extern int no_irq_affinity; |
| 257 | 248 | ||
| 258 | static inline int irq_balancing_disabled(unsigned int irq) | 249 | static inline int irq_balancing_disabled(unsigned int irq) |
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index e600c4e9b8c5..2b1c2e58566e 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h | |||
| @@ -12,10 +12,10 @@ | |||
| 12 | #define _LINUX_TRACE_IRQFLAGS_H | 12 | #define _LINUX_TRACE_IRQFLAGS_H |
| 13 | 13 | ||
| 14 | #ifdef CONFIG_TRACE_IRQFLAGS | 14 | #ifdef CONFIG_TRACE_IRQFLAGS |
| 15 | extern void trace_hardirqs_on(void); | ||
| 16 | extern void trace_hardirqs_off(void); | ||
| 17 | extern void trace_softirqs_on(unsigned long ip); | 15 | extern void trace_softirqs_on(unsigned long ip); |
| 18 | extern void trace_softirqs_off(unsigned long ip); | 16 | extern void trace_softirqs_off(unsigned long ip); |
| 17 | extern void trace_hardirqs_on(void); | ||
| 18 | extern void trace_hardirqs_off(void); | ||
| 19 | # define trace_hardirq_context(p) ((p)->hardirq_context) | 19 | # define trace_hardirq_context(p) ((p)->hardirq_context) |
| 20 | # define trace_softirq_context(p) ((p)->softirq_context) | 20 | # define trace_softirq_context(p) ((p)->softirq_context) |
| 21 | # define trace_hardirqs_enabled(p) ((p)->hardirqs_enabled) | 21 | # define trace_hardirqs_enabled(p) ((p)->hardirqs_enabled) |
| @@ -41,6 +41,15 @@ | |||
| 41 | # define INIT_TRACE_IRQFLAGS | 41 | # define INIT_TRACE_IRQFLAGS |
| 42 | #endif | 42 | #endif |
| 43 | 43 | ||
| 44 | #if defined(CONFIG_IRQSOFF_TRACER) || \ | ||
| 45 | defined(CONFIG_PREEMPT_TRACER) | ||
| 46 | extern void stop_critical_timings(void); | ||
| 47 | extern void start_critical_timings(void); | ||
| 48 | #else | ||
| 49 | # define stop_critical_timings() do { } while (0) | ||
| 50 | # define start_critical_timings() do { } while (0) | ||
| 51 | #endif | ||
| 52 | |||
| 44 | #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT | 53 | #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT |
| 45 | 54 | ||
| 46 | #include <asm/irqflags.h> | 55 | #include <asm/irqflags.h> |
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d147f0f90360..3dd209007098 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h | |||
| @@ -168,6 +168,8 @@ struct commit_header { | |||
| 168 | unsigned char h_chksum_size; | 168 | unsigned char h_chksum_size; |
| 169 | unsigned char h_padding[2]; | 169 | unsigned char h_padding[2]; |
| 170 | __be32 h_chksum[JBD2_CHECKSUM_BYTES]; | 170 | __be32 h_chksum[JBD2_CHECKSUM_BYTES]; |
| 171 | __be64 h_commit_sec; | ||
| 172 | __be32 h_commit_nsec; | ||
| 171 | }; | 173 | }; |
| 172 | 174 | ||
| 173 | /* | 175 | /* |
| @@ -379,6 +381,38 @@ static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh) | |||
| 379 | bit_spin_unlock(BH_JournalHead, &bh->b_state); | 381 | bit_spin_unlock(BH_JournalHead, &bh->b_state); |
| 380 | } | 382 | } |
| 381 | 383 | ||
| 384 | /* Flags in jbd_inode->i_flags */ | ||
| 385 | #define __JI_COMMIT_RUNNING 0 | ||
| 386 | /* Commit of the inode data in progress. We use this flag to protect us from | ||
| 387 | * concurrent deletion of inode. We cannot use reference to inode for this | ||
| 388 | * since we cannot afford doing last iput() on behalf of kjournald | ||
| 389 | */ | ||
| 390 | #define JI_COMMIT_RUNNING (1 << __JI_COMMIT_RUNNING) | ||
| 391 | |||
| 392 | /** | ||
| 393 | * struct jbd_inode is the structure linking inodes in ordered mode | ||
| 394 | * present in a transaction so that we can sync them during commit. | ||
| 395 | */ | ||
| 396 | struct jbd2_inode { | ||
| 397 | /* Which transaction does this inode belong to? Either the running | ||
| 398 | * transaction or the committing one. [j_list_lock] */ | ||
| 399 | transaction_t *i_transaction; | ||
| 400 | |||
| 401 | /* Pointer to the running transaction modifying inode's data in case | ||
| 402 | * there is already a committing transaction touching it. [j_list_lock] */ | ||
| 403 | transaction_t *i_next_transaction; | ||
| 404 | |||
| 405 | /* List of inodes in the i_transaction [j_list_lock] */ | ||
| 406 | struct list_head i_list; | ||
| 407 | |||
| 408 | /* VFS inode this inode belongs to [constant during the lifetime | ||
| 409 | * of the structure] */ | ||
| 410 | struct inode *i_vfs_inode; | ||
| 411 | |||
| 412 | /* Flags of inode [j_list_lock] */ | ||
| 413 | unsigned int i_flags; | ||
| 414 | }; | ||
| 415 | |||
| 382 | struct jbd2_revoke_table_s; | 416 | struct jbd2_revoke_table_s; |
| 383 | 417 | ||
| 384 | /** | 418 | /** |
| @@ -509,24 +543,12 @@ struct transaction_s | |||
| 509 | struct journal_head *t_reserved_list; | 543 | struct journal_head *t_reserved_list; |
| 510 | 544 | ||
| 511 | /* | 545 | /* |
| 512 | * Doubly-linked circular list of all buffers under writeout during | ||
| 513 | * commit [j_list_lock] | ||
| 514 | */ | ||
| 515 | struct journal_head *t_locked_list; | ||
| 516 | |||
| 517 | /* | ||
| 518 | * Doubly-linked circular list of all metadata buffers owned by this | 546 | * Doubly-linked circular list of all metadata buffers owned by this |
| 519 | * transaction [j_list_lock] | 547 | * transaction [j_list_lock] |
| 520 | */ | 548 | */ |
| 521 | struct journal_head *t_buffers; | 549 | struct journal_head *t_buffers; |
| 522 | 550 | ||
| 523 | /* | 551 | /* |
| 524 | * Doubly-linked circular list of all data buffers still to be | ||
| 525 | * flushed before this transaction can be committed [j_list_lock] | ||
| 526 | */ | ||
| 527 | struct journal_head *t_sync_datalist; | ||
| 528 | |||
| 529 | /* | ||
| 530 | * Doubly-linked circular list of all forget buffers (superseded | 552 | * Doubly-linked circular list of all forget buffers (superseded |
| 531 | * buffers which we can un-checkpoint once this transaction commits) | 553 | * buffers which we can un-checkpoint once this transaction commits) |
| 532 | * [j_list_lock] | 554 | * [j_list_lock] |
| @@ -565,6 +587,12 @@ struct transaction_s | |||
| 565 | struct journal_head *t_log_list; | 587 | struct journal_head *t_log_list; |
| 566 | 588 | ||
| 567 | /* | 589 | /* |
| 590 | * List of inodes whose data we've modified in data=ordered mode. | ||
| 591 | * [j_list_lock] | ||
| 592 | */ | ||
| 593 | struct list_head t_inode_list; | ||
| 594 | |||
| 595 | /* | ||
| 568 | * Protects info related to handles | 596 | * Protects info related to handles |
| 569 | */ | 597 | */ |
| 570 | spinlock_t t_handle_lock; | 598 | spinlock_t t_handle_lock; |
| @@ -1004,7 +1032,6 @@ extern int jbd2_journal_extend (handle_t *, int nblocks); | |||
| 1004 | extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); | 1032 | extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); |
| 1005 | extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); | 1033 | extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); |
| 1006 | extern int jbd2_journal_get_undo_access(handle_t *, struct buffer_head *); | 1034 | extern int jbd2_journal_get_undo_access(handle_t *, struct buffer_head *); |
| 1007 | extern int jbd2_journal_dirty_data (handle_t *, struct buffer_head *); | ||
| 1008 | extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); | 1035 | extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); |
| 1009 | extern void jbd2_journal_release_buffer (handle_t *, struct buffer_head *); | 1036 | extern void jbd2_journal_release_buffer (handle_t *, struct buffer_head *); |
| 1010 | extern int jbd2_journal_forget (handle_t *, struct buffer_head *); | 1037 | extern int jbd2_journal_forget (handle_t *, struct buffer_head *); |
| @@ -1044,6 +1071,10 @@ extern void jbd2_journal_ack_err (journal_t *); | |||
| 1044 | extern int jbd2_journal_clear_err (journal_t *); | 1071 | extern int jbd2_journal_clear_err (journal_t *); |
| 1045 | extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long long *); | 1072 | extern int jbd2_journal_bmap(journal_t *, unsigned long, unsigned long long *); |
| 1046 | extern int jbd2_journal_force_commit(journal_t *); | 1073 | extern int jbd2_journal_force_commit(journal_t *); |
| 1074 | extern int jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *inode); | ||
| 1075 | extern int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, loff_t new_size); | ||
| 1076 | extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode); | ||
| 1077 | extern void jbd2_journal_release_jbd_inode(journal_t *journal, struct jbd2_inode *jinode); | ||
| 1047 | 1078 | ||
| 1048 | /* | 1079 | /* |
| 1049 | * journal_head management | 1080 | * journal_head management |
| @@ -1179,15 +1210,13 @@ static inline int jbd_space_needed(journal_t *journal) | |||
| 1179 | 1210 | ||
| 1180 | /* journaling buffer types */ | 1211 | /* journaling buffer types */ |
| 1181 | #define BJ_None 0 /* Not journaled */ | 1212 | #define BJ_None 0 /* Not journaled */ |
| 1182 | #define BJ_SyncData 1 /* Normal data: flush before commit */ | 1213 | #define BJ_Metadata 1 /* Normal journaled metadata */ |
| 1183 | #define BJ_Metadata 2 /* Normal journaled metadata */ | 1214 | #define BJ_Forget 2 /* Buffer superseded by this transaction */ |
| 1184 | #define BJ_Forget 3 /* Buffer superseded by this transaction */ | 1215 | #define BJ_IO 3 /* Buffer is for temporary IO use */ |
| 1185 | #define BJ_IO 4 /* Buffer is for temporary IO use */ | 1216 | #define BJ_Shadow 4 /* Buffer contents being shadowed to the log */ |
| 1186 | #define BJ_Shadow 5 /* Buffer contents being shadowed to the log */ | 1217 | #define BJ_LogCtl 5 /* Buffer contains log descriptors */ |
| 1187 | #define BJ_LogCtl 6 /* Buffer contains log descriptors */ | 1218 | #define BJ_Reserved 6 /* Buffer is reserved for access by journal */ |
| 1188 | #define BJ_Reserved 7 /* Buffer is reserved for access by journal */ | 1219 | #define BJ_Types 7 |
| 1189 | #define BJ_Locked 8 /* Locked for I/O during commit */ | ||
| 1190 | #define BJ_Types 9 | ||
| 1191 | 1220 | ||
| 1192 | extern int jbd_blocks_per_page(struct inode *inode); | 1221 | extern int jbd_blocks_per_page(struct inode *inode); |
| 1193 | 1222 | ||
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 2e70006c7fa8..f9cd7a513f9c 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
| @@ -187,9 +187,6 @@ asmlinkage int vprintk(const char *fmt, va_list args) | |||
| 187 | __attribute__ ((format (printf, 1, 0))); | 187 | __attribute__ ((format (printf, 1, 0))); |
| 188 | asmlinkage int printk(const char * fmt, ...) | 188 | asmlinkage int printk(const char * fmt, ...) |
| 189 | __attribute__ ((format (printf, 1, 2))) __cold; | 189 | __attribute__ ((format (printf, 1, 2))) __cold; |
| 190 | extern int log_buf_get_len(void); | ||
| 191 | extern int log_buf_read(int idx); | ||
| 192 | extern int log_buf_copy(char *dest, int idx, int len); | ||
| 193 | 190 | ||
| 194 | extern int printk_ratelimit_jiffies; | 191 | extern int printk_ratelimit_jiffies; |
| 195 | extern int printk_ratelimit_burst; | 192 | extern int printk_ratelimit_burst; |
| @@ -205,9 +202,6 @@ static inline int vprintk(const char *s, va_list args) { return 0; } | |||
| 205 | static inline int printk(const char *s, ...) | 202 | static inline int printk(const char *s, ...) |
| 206 | __attribute__ ((format (printf, 1, 2))); | 203 | __attribute__ ((format (printf, 1, 2))); |
| 207 | static inline int __cold printk(const char *s, ...) { return 0; } | 204 | static inline int __cold printk(const char *s, ...) { return 0; } |
| 208 | static inline int log_buf_get_len(void) { return 0; } | ||
| 209 | static inline int log_buf_read(int idx) { return 0; } | ||
| 210 | static inline int log_buf_copy(char *dest, int idx, int len) { return 0; } | ||
| 211 | static inline int printk_ratelimit(void) { return 0; } | 205 | static inline int printk_ratelimit(void) { return 0; } |
| 212 | static inline int __printk_ratelimit(int ratelimit_jiffies, \ | 206 | static inline int __printk_ratelimit(int ratelimit_jiffies, \ |
| 213 | int ratelimit_burst) { return 0; } | 207 | int ratelimit_burst) { return 0; } |
| @@ -216,7 +210,7 @@ static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ | |||
| 216 | { return false; } | 210 | { return false; } |
| 217 | #endif | 211 | #endif |
| 218 | 212 | ||
| 219 | extern void __attribute__((format(printf, 1, 2))) | 213 | extern void asmlinkage __attribute__((format(printf, 1, 2))) |
| 220 | early_printk(const char *fmt, ...); | 214 | early_printk(const char *fmt, ...); |
| 221 | 215 | ||
| 222 | unsigned long int_sqrt(unsigned long); | 216 | unsigned long int_sqrt(unsigned long); |
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index e8ffce898bf9..cf9f40a91c9c 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h | |||
| @@ -1,11 +1,11 @@ | |||
| 1 | #ifndef _LINUX_KERNEL_STAT_H | 1 | #ifndef _LINUX_KERNEL_STAT_H |
| 2 | #define _LINUX_KERNEL_STAT_H | 2 | #define _LINUX_KERNEL_STAT_H |
| 3 | 3 | ||
| 4 | #include <asm/irq.h> | ||
| 5 | #include <linux/smp.h> | 4 | #include <linux/smp.h> |
| 6 | #include <linux/threads.h> | 5 | #include <linux/threads.h> |
| 7 | #include <linux/percpu.h> | 6 | #include <linux/percpu.h> |
| 8 | #include <linux/cpumask.h> | 7 | #include <linux/cpumask.h> |
| 8 | #include <asm/irq.h> | ||
| 9 | #include <asm/cputime.h> | 9 | #include <asm/cputime.h> |
| 10 | 10 | ||
| 11 | /* | 11 | /* |
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 1036631ff4fa..04a3556bdea6 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h | |||
| @@ -259,6 +259,10 @@ void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head); | |||
| 259 | struct jprobe; | 259 | struct jprobe; |
| 260 | struct kretprobe; | 260 | struct kretprobe; |
| 261 | 261 | ||
| 262 | static inline struct kprobe *get_kprobe(void *addr) | ||
| 263 | { | ||
| 264 | return NULL; | ||
| 265 | } | ||
| 262 | static inline struct kprobe *kprobe_running(void) | 266 | static inline struct kprobe *kprobe_running(void) |
| 263 | { | 267 | { |
| 264 | return NULL; | 268 | return NULL; |
diff --git a/include/linux/libata.h b/include/linux/libata.h index e57e5d08312d..5b247b8a6b3b 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h | |||
| @@ -27,6 +27,7 @@ | |||
| 27 | #define __LINUX_LIBATA_H__ | 27 | #define __LINUX_LIBATA_H__ |
| 28 | 28 | ||
| 29 | #include <linux/delay.h> | 29 | #include <linux/delay.h> |
| 30 | #include <linux/jiffies.h> | ||
| 30 | #include <linux/interrupt.h> | 31 | #include <linux/interrupt.h> |
| 31 | #include <linux/dma-mapping.h> | 32 | #include <linux/dma-mapping.h> |
| 32 | #include <linux/scatterlist.h> | 33 | #include <linux/scatterlist.h> |
| @@ -115,7 +116,7 @@ enum { | |||
| 115 | /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */ | 116 | /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */ |
| 116 | ATA_MAX_QUEUE = 32, | 117 | ATA_MAX_QUEUE = 32, |
| 117 | ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1, | 118 | ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1, |
| 118 | ATA_SHORT_PAUSE = (HZ >> 6) + 1, | 119 | ATA_SHORT_PAUSE = 16, |
| 119 | 120 | ||
| 120 | ATAPI_MAX_DRAIN = 16 << 10, | 121 | ATAPI_MAX_DRAIN = 16 << 10, |
| 121 | 122 | ||
| @@ -168,6 +169,7 @@ enum { | |||
| 168 | ATA_LFLAG_ASSUME_CLASS = ATA_LFLAG_ASSUME_ATA | ATA_LFLAG_ASSUME_SEMB, | 169 | ATA_LFLAG_ASSUME_CLASS = ATA_LFLAG_ASSUME_ATA | ATA_LFLAG_ASSUME_SEMB, |
| 169 | ATA_LFLAG_NO_RETRY = (1 << 5), /* don't retry this link */ | 170 | ATA_LFLAG_NO_RETRY = (1 << 5), /* don't retry this link */ |
| 170 | ATA_LFLAG_DISABLED = (1 << 6), /* link is disabled */ | 171 | ATA_LFLAG_DISABLED = (1 << 6), /* link is disabled */ |
| 172 | ATA_LFLAG_SW_ACTIVITY = (1 << 7), /* keep activity stats */ | ||
| 171 | 173 | ||
| 172 | /* struct ata_port flags */ | 174 | /* struct ata_port flags */ |
| 173 | ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ | 175 | ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ |
| @@ -190,6 +192,10 @@ enum { | |||
| 190 | ATA_FLAG_AN = (1 << 18), /* controller supports AN */ | 192 | ATA_FLAG_AN = (1 << 18), /* controller supports AN */ |
| 191 | ATA_FLAG_PMP = (1 << 19), /* controller supports PMP */ | 193 | ATA_FLAG_PMP = (1 << 19), /* controller supports PMP */ |
| 192 | ATA_FLAG_IPM = (1 << 20), /* driver can handle IPM */ | 194 | ATA_FLAG_IPM = (1 << 20), /* driver can handle IPM */ |
| 195 | ATA_FLAG_EM = (1 << 21), /* driver supports enclosure | ||
| 196 | * management */ | ||
| 197 | ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity | ||
| 198 | * led */ | ||
| 193 | 199 | ||
| 194 | /* The following flag belongs to ap->pflags but is kept in | 200 | /* The following flag belongs to ap->pflags but is kept in |
| 195 | * ap->flags because it's referenced in many LLDs and will be | 201 | * ap->flags because it's referenced in many LLDs and will be |
| @@ -234,17 +240,16 @@ enum { | |||
| 234 | /* bits 24:31 of host->flags are reserved for LLD specific flags */ | 240 | /* bits 24:31 of host->flags are reserved for LLD specific flags */ |
| 235 | 241 | ||
| 236 | /* various lengths of time */ | 242 | /* various lengths of time */ |
| 237 | ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */ | 243 | ATA_TMOUT_BOOT = 30000, /* heuristic */ |
| 238 | ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */ | 244 | ATA_TMOUT_BOOT_QUICK = 7000, /* heuristic */ |
| 239 | ATA_TMOUT_INTERNAL = 30 * HZ, | 245 | ATA_TMOUT_INTERNAL_QUICK = 5000, |
| 240 | ATA_TMOUT_INTERNAL_QUICK = 5 * HZ, | ||
| 241 | 246 | ||
| 242 | /* FIXME: GoVault needs 2s but we can't afford that without | 247 | /* FIXME: GoVault needs 2s but we can't afford that without |
| 243 | * parallel probing. 800ms is enough for iVDR disk | 248 | * parallel probing. 800ms is enough for iVDR disk |
| 244 | * HHD424020F7SV00. Increase to 2secs when parallel probing | 249 | * HHD424020F7SV00. Increase to 2secs when parallel probing |
| 245 | * is in place. | 250 | * is in place. |
| 246 | */ | 251 | */ |
| 247 | ATA_TMOUT_FF_WAIT = 4 * HZ / 5, | 252 | ATA_TMOUT_FF_WAIT = 800, |
| 248 | 253 | ||
| 249 | /* Spec mandates to wait for ">= 2ms" before checking status | 254 | /* Spec mandates to wait for ">= 2ms" before checking status |
| 250 | * after reset. We wait 150ms, because that was the magic | 255 | * after reset. We wait 150ms, because that was the magic |
| @@ -256,14 +261,14 @@ enum { | |||
| 256 | * | 261 | * |
| 257 | * Old drivers/ide uses the 2mS rule and then waits for ready. | 262 | * Old drivers/ide uses the 2mS rule and then waits for ready. |
| 258 | */ | 263 | */ |
| 259 | ATA_WAIT_AFTER_RESET_MSECS = 150, | 264 | ATA_WAIT_AFTER_RESET = 150, |
| 260 | 265 | ||
| 261 | /* If PMP is supported, we have to do follow-up SRST. As some | 266 | /* If PMP is supported, we have to do follow-up SRST. As some |
| 262 | * PMPs don't send D2H Reg FIS after hardreset, LLDs are | 267 | * PMPs don't send D2H Reg FIS after hardreset, LLDs are |
| 263 | * advised to wait only for the following duration before | 268 | * advised to wait only for the following duration before |
| 264 | * doing SRST. | 269 | * doing SRST. |
| 265 | */ | 270 | */ |
| 266 | ATA_TMOUT_PMP_SRST_WAIT = 1 * HZ, | 271 | ATA_TMOUT_PMP_SRST_WAIT = 1000, |
| 267 | 272 | ||
| 268 | /* ATA bus states */ | 273 | /* ATA bus states */ |
| 269 | BUS_UNKNOWN = 0, | 274 | BUS_UNKNOWN = 0, |
| @@ -340,6 +345,11 @@ enum { | |||
| 340 | 345 | ||
| 341 | SATA_PMP_RW_TIMEOUT = 3000, /* PMP read/write timeout */ | 346 | SATA_PMP_RW_TIMEOUT = 3000, /* PMP read/write timeout */ |
| 342 | 347 | ||
| 348 | /* This should match the actual table size of | ||
| 349 | * ata_eh_cmd_timeout_table in libata-eh.c. | ||
| 350 | */ | ||
| 351 | ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 5, | ||
| 352 | |||
| 343 | /* Horkage types. May be set by libata or controller on drives | 353 | /* Horkage types. May be set by libata or controller on drives |
| 344 | (some horkage may be drive/controller pair dependant */ | 354 | (some horkage may be drive/controller pair dependant */ |
| 345 | 355 | ||
| @@ -441,6 +451,15 @@ enum link_pm { | |||
| 441 | MEDIUM_POWER, | 451 | MEDIUM_POWER, |
| 442 | }; | 452 | }; |
| 443 | extern struct device_attribute dev_attr_link_power_management_policy; | 453 | extern struct device_attribute dev_attr_link_power_management_policy; |
| 454 | extern struct device_attribute dev_attr_em_message_type; | ||
| 455 | extern struct device_attribute dev_attr_em_message; | ||
| 456 | extern struct device_attribute dev_attr_sw_activity; | ||
| 457 | |||
| 458 | enum sw_activity { | ||
| 459 | OFF, | ||
| 460 | BLINK_ON, | ||
| 461 | BLINK_OFF, | ||
| 462 | }; | ||
| 444 | 463 | ||
| 445 | #ifdef CONFIG_ATA_SFF | 464 | #ifdef CONFIG_ATA_SFF |
| 446 | struct ata_ioports { | 465 | struct ata_ioports { |
| @@ -597,10 +616,14 @@ struct ata_eh_info { | |||
| 597 | struct ata_eh_context { | 616 | struct ata_eh_context { |
| 598 | struct ata_eh_info i; | 617 | struct ata_eh_info i; |
| 599 | int tries[ATA_MAX_DEVICES]; | 618 | int tries[ATA_MAX_DEVICES]; |
| 619 | int cmd_timeout_idx[ATA_MAX_DEVICES] | ||
| 620 | [ATA_EH_CMD_TIMEOUT_TABLE_SIZE]; | ||
| 600 | unsigned int classes[ATA_MAX_DEVICES]; | 621 | unsigned int classes[ATA_MAX_DEVICES]; |
| 601 | unsigned int did_probe_mask; | 622 | unsigned int did_probe_mask; |
| 602 | unsigned int saved_ncq_enabled; | 623 | unsigned int saved_ncq_enabled; |
| 603 | u8 saved_xfer_mode[ATA_MAX_DEVICES]; | 624 | u8 saved_xfer_mode[ATA_MAX_DEVICES]; |
| 625 | /* timestamp for the last reset attempt or success */ | ||
| 626 | unsigned long last_reset; | ||
| 604 | }; | 627 | }; |
| 605 | 628 | ||
| 606 | struct ata_acpi_drive | 629 | struct ata_acpi_drive |
| @@ -692,6 +715,7 @@ struct ata_port { | |||
| 692 | struct timer_list fastdrain_timer; | 715 | struct timer_list fastdrain_timer; |
| 693 | unsigned long fastdrain_cnt; | 716 | unsigned long fastdrain_cnt; |
| 694 | 717 | ||
| 718 | int em_message_type; | ||
| 695 | void *private_data; | 719 | void *private_data; |
| 696 | 720 | ||
| 697 | #ifdef CONFIG_ATA_ACPI | 721 | #ifdef CONFIG_ATA_ACPI |
| @@ -783,6 +807,12 @@ struct ata_port_operations { | |||
| 783 | u8 (*bmdma_status)(struct ata_port *ap); | 807 | u8 (*bmdma_status)(struct ata_port *ap); |
| 784 | #endif /* CONFIG_ATA_SFF */ | 808 | #endif /* CONFIG_ATA_SFF */ |
| 785 | 809 | ||
| 810 | ssize_t (*em_show)(struct ata_port *ap, char *buf); | ||
| 811 | ssize_t (*em_store)(struct ata_port *ap, const char *message, | ||
| 812 | size_t size); | ||
| 813 | ssize_t (*sw_activity_show)(struct ata_device *dev, char *buf); | ||
| 814 | ssize_t (*sw_activity_store)(struct ata_device *dev, | ||
| 815 | enum sw_activity val); | ||
| 786 | /* | 816 | /* |
| 787 | * Obsolete | 817 | * Obsolete |
| 788 | */ | 818 | */ |
| @@ -895,8 +925,7 @@ extern void ata_host_resume(struct ata_host *host); | |||
| 895 | #endif | 925 | #endif |
| 896 | extern int ata_ratelimit(void); | 926 | extern int ata_ratelimit(void); |
| 897 | extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, | 927 | extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, |
| 898 | unsigned long interval_msec, | 928 | unsigned long interval, unsigned long timeout); |
| 899 | unsigned long timeout_msec); | ||
| 900 | extern int atapi_cmd_type(u8 opcode); | 929 | extern int atapi_cmd_type(u8 opcode); |
| 901 | extern void ata_tf_to_fis(const struct ata_taskfile *tf, | 930 | extern void ata_tf_to_fis(const struct ata_taskfile *tf, |
| 902 | u8 pmp, int is_cmd, u8 *fis); | 931 | u8 pmp, int is_cmd, u8 *fis); |
| @@ -1389,6 +1418,12 @@ static inline int ata_check_ready(u8 status) | |||
| 1389 | return 0; | 1418 | return 0; |
| 1390 | } | 1419 | } |
| 1391 | 1420 | ||
| 1421 | static inline unsigned long ata_deadline(unsigned long from_jiffies, | ||
| 1422 | unsigned long timeout_msecs) | ||
| 1423 | { | ||
| 1424 | return from_jiffies + msecs_to_jiffies(timeout_msecs); | ||
| 1425 | } | ||
| 1426 | |||
| 1392 | 1427 | ||
| 1393 | /************************************************************************** | 1428 | /************************************************************************** |
| 1394 | * PMP - drivers/ata/libata-pmp.c | 1429 | * PMP - drivers/ata/libata-pmp.c |
diff --git a/include/linux/linkage.h b/include/linux/linkage.h index 2119610b24f8..56ba37394656 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h | |||
| @@ -1,8 +1,11 @@ | |||
| 1 | #ifndef _LINUX_LINKAGE_H | 1 | #ifndef _LINUX_LINKAGE_H |
| 2 | #define _LINUX_LINKAGE_H | 2 | #define _LINUX_LINKAGE_H |
| 3 | 3 | ||
| 4 | #include <linux/compiler.h> | ||
| 4 | #include <asm/linkage.h> | 5 | #include <asm/linkage.h> |
| 5 | 6 | ||
| 7 | #define notrace __attribute__((no_instrument_function)) | ||
| 8 | |||
| 6 | #ifdef __cplusplus | 9 | #ifdef __cplusplus |
| 7 | #define CPP_ASMLINKAGE extern "C" | 10 | #define CPP_ASMLINKAGE extern "C" |
| 8 | #else | 11 | #else |
| @@ -17,6 +20,9 @@ | |||
| 17 | # define asmregparm | 20 | # define asmregparm |
| 18 | #endif | 21 | #endif |
| 19 | 22 | ||
| 23 | #define __page_aligned_data __section(.data.page_aligned) __aligned(PAGE_SIZE) | ||
| 24 | #define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE) | ||
| 25 | |||
| 20 | /* | 26 | /* |
| 21 | * This is used by architectures to keep arguments on the stack | 27 | * This is used by architectures to keep arguments on the stack |
| 22 | * untouched by the compiler by keeping them live until the end. | 28 | * untouched by the compiler by keeping them live until the end. |
diff --git a/include/linux/list.h b/include/linux/list.h index 08cf4f651889..139ec41d9c2e 100644 --- a/include/linux/list.h +++ b/include/linux/list.h | |||
| @@ -85,65 +85,6 @@ static inline void list_add_tail(struct list_head *new, struct list_head *head) | |||
| 85 | } | 85 | } |
| 86 | 86 | ||
| 87 | /* | 87 | /* |
| 88 | * Insert a new entry between two known consecutive entries. | ||
| 89 | * | ||
| 90 | * This is only for internal list manipulation where we know | ||
| 91 | * the prev/next entries already! | ||
| 92 | */ | ||
| 93 | static inline void __list_add_rcu(struct list_head * new, | ||
| 94 | struct list_head * prev, struct list_head * next) | ||
| 95 | { | ||
| 96 | new->next = next; | ||
| 97 | new->prev = prev; | ||
| 98 | smp_wmb(); | ||
| 99 | next->prev = new; | ||
| 100 | prev->next = new; | ||
| 101 | } | ||
| 102 | |||
| 103 | /** | ||
| 104 | * list_add_rcu - add a new entry to rcu-protected list | ||
| 105 | * @new: new entry to be added | ||
| 106 | * @head: list head to add it after | ||
| 107 | * | ||
| 108 | * Insert a new entry after the specified head. | ||
| 109 | * This is good for implementing stacks. | ||
| 110 | * | ||
| 111 | * The caller must take whatever precautions are necessary | ||
| 112 | * (such as holding appropriate locks) to avoid racing | ||
| 113 | * with another list-mutation primitive, such as list_add_rcu() | ||
| 114 | * or list_del_rcu(), running on this same list. | ||
| 115 | * However, it is perfectly legal to run concurrently with | ||
| 116 | * the _rcu list-traversal primitives, such as | ||
| 117 | * list_for_each_entry_rcu(). | ||
| 118 | */ | ||
| 119 | static inline void list_add_rcu(struct list_head *new, struct list_head *head) | ||
| 120 | { | ||
| 121 | __list_add_rcu(new, head, head->next); | ||
| 122 | } | ||
| 123 | |||
| 124 | /** | ||
| 125 | * list_add_tail_rcu - add a new entry to rcu-protected list | ||
| 126 | * @new: new entry to be added | ||
| 127 | * @head: list head to add it before | ||
| 128 | * | ||
| 129 | * Insert a new entry before the specified head. | ||
| 130 | * This is useful for implementing queues. | ||
| 131 | * | ||
| 132 | * The caller must take whatever precautions are necessary | ||
| 133 | * (such as holding appropriate locks) to avoid racing | ||
| 134 | * with another list-mutation primitive, such as list_add_tail_rcu() | ||
| 135 | * or list_del_rcu(), running on this same list. | ||
| 136 | * However, it is perfectly legal to run concurrently with | ||
| 137 | * the _rcu list-traversal primitives, such as | ||
| 138 | * list_for_each_entry_rcu(). | ||
| 139 | */ | ||
| 140 | static inline void list_add_tail_rcu(struct list_head *new, | ||
| 141 | struct list_head *head) | ||
| 142 | { | ||
| 143 | __list_add_rcu(new, head->prev, head); | ||
| 144 | } | ||
| 145 | |||
| 146 | /* | ||
| 147 | * Delete a list entry by making the prev/next entries | 88 | * Delete a list entry by making the prev/next entries |
| 148 | * point to each other. | 89 | * point to each other. |
| 149 | * | 90 | * |
| @@ -174,36 +115,6 @@ extern void list_del(struct list_head *entry); | |||
| 174 | #endif | 115 | #endif |
| 175 | 116 | ||
| 176 | /** | 117 | /** |
| 177 | * list_del_rcu - deletes entry from list without re-initialization | ||
| 178 | * @entry: the element to delete from the list. | ||
| 179 | * | ||
| 180 | * Note: list_empty() on entry does not return true after this, | ||
| 181 | * the entry is in an undefined state. It is useful for RCU based | ||
| 182 | * lockfree traversal. | ||
| 183 | * | ||
| 184 | * In particular, it means that we can not poison the forward | ||
| 185 | * pointers that may still be used for walking the list. | ||
| 186 | * | ||
| 187 | * The caller must take whatever precautions are necessary | ||
| 188 | * (such as holding appropriate locks) to avoid racing | ||
| 189 | * with another list-mutation primitive, such as list_del_rcu() | ||
| 190 | * or list_add_rcu(), running on this same list. | ||
| 191 | * However, it is perfectly legal to run concurrently with | ||
| 192 | * the _rcu list-traversal primitives, such as | ||
| 193 | * list_for_each_entry_rcu(). | ||
| 194 | * | ||
| 195 | * Note that the caller is not permitted to immediately free | ||
| 196 | * the newly deleted entry. Instead, either synchronize_rcu() | ||
| 197 | * or call_rcu() must be used to defer freeing until an RCU | ||
| 198 | * grace period has elapsed. | ||
| 199 | */ | ||
| 200 | static inline void list_del_rcu(struct list_head *entry) | ||
| 201 | { | ||
| 202 | __list_del(entry->prev, entry->next); | ||
| 203 | entry->prev = LIST_POISON2; | ||
| 204 | } | ||
| 205 | |||
| 206 | /** | ||
| 207 | * list_replace - replace old entry by new one | 118 | * list_replace - replace old entry by new one |
| 208 | * @old : the element to be replaced | 119 | * @old : the element to be replaced |
| 209 | * @new : the new element to insert | 120 | * @new : the new element to insert |
| @@ -227,25 +138,6 @@ static inline void list_replace_init(struct list_head *old, | |||
| 227 | } | 138 | } |
| 228 | 139 | ||
| 229 | /** | 140 | /** |
| 230 | * list_replace_rcu - replace old entry by new one | ||
| 231 | * @old : the element to be replaced | ||
| 232 | * @new : the new element to insert | ||
| 233 | * | ||
| 234 | * The @old entry will be replaced with the @new entry atomically. | ||
| 235 | * Note: @old should not be empty. | ||
| 236 | */ | ||
| 237 | static inline void list_replace_rcu(struct list_head *old, | ||
| 238 | struct list_head *new) | ||
| 239 | { | ||
| 240 | new->next = old->next; | ||
| 241 | new->prev = old->prev; | ||
| 242 | smp_wmb(); | ||
| 243 | new->next->prev = new; | ||
| 244 | new->prev->next = new; | ||
| 245 | old->prev = LIST_POISON2; | ||
| 246 | } | ||
| 247 | |||
| 248 | /** | ||
| 249 | * list_del_init - deletes entry from list and reinitialize it. | 141 | * list_del_init - deletes entry from list and reinitialize it. |
| 250 | * @entry: the element to delete from the list. | 142 | * @entry: the element to delete from the list. |
| 251 | */ | 143 | */ |
| @@ -369,62 +261,6 @@ static inline void list_splice_init(struct list_head *list, | |||
| 369 | } | 261 | } |
| 370 | 262 | ||
| 371 | /** | 263 | /** |
| 372 | * list_splice_init_rcu - splice an RCU-protected list into an existing list. | ||
| 373 | * @list: the RCU-protected list to splice | ||
| 374 | * @head: the place in the list to splice the first list into | ||
| 375 | * @sync: function to sync: synchronize_rcu(), synchronize_sched(), ... | ||
| 376 | * | ||
| 377 | * @head can be RCU-read traversed concurrently with this function. | ||
| 378 | * | ||
| 379 | * Note that this function blocks. | ||
| 380 | * | ||
| 381 | * Important note: the caller must take whatever action is necessary to | ||
| 382 | * prevent any other updates to @head. In principle, it is possible | ||
| 383 | * to modify the list as soon as sync() begins execution. | ||
| 384 | * If this sort of thing becomes necessary, an alternative version | ||
| 385 | * based on call_rcu() could be created. But only if -really- | ||
| 386 | * needed -- there is no shortage of RCU API members. | ||
| 387 | */ | ||
| 388 | static inline void list_splice_init_rcu(struct list_head *list, | ||
| 389 | struct list_head *head, | ||
| 390 | void (*sync)(void)) | ||
| 391 | { | ||
| 392 | struct list_head *first = list->next; | ||
| 393 | struct list_head *last = list->prev; | ||
| 394 | struct list_head *at = head->next; | ||
| 395 | |||
| 396 | if (list_empty(head)) | ||
| 397 | return; | ||
| 398 | |||
| 399 | /* "first" and "last" tracking list, so initialize it. */ | ||
| 400 | |||
| 401 | INIT_LIST_HEAD(list); | ||
| 402 | |||
| 403 | /* | ||
| 404 | * At this point, the list body still points to the source list. | ||
| 405 | * Wait for any readers to finish using the list before splicing | ||
| 406 | * the list body into the new list. Any new readers will see | ||
| 407 | * an empty list. | ||
| 408 | */ | ||
| 409 | |||
| 410 | sync(); | ||
| 411 | |||
| 412 | /* | ||
| 413 | * Readers are finished with the source list, so perform splice. | ||
| 414 | * The order is important if the new list is global and accessible | ||
| 415 | * to concurrent RCU readers. Note that RCU readers are not | ||
| 416 | * permitted to traverse the prev pointers without excluding | ||
| 417 | * this function. | ||
| 418 | */ | ||
| 419 | |||
| 420 | last->next = at; | ||
| 421 | smp_wmb(); | ||
| 422 | head->next = first; | ||
| 423 | first->prev = head; | ||
| 424 | at->prev = last; | ||
| 425 | } | ||
| 426 | |||
| 427 | /** | ||
| 428 | * list_entry - get the struct for this entry | 264 | * list_entry - get the struct for this entry |
| 429 | * @ptr: the &struct list_head pointer. | 265 | * @ptr: the &struct list_head pointer. |
| 430 | * @type: the type of the struct this is embedded in. | 266 | * @type: the type of the struct this is embedded in. |
| @@ -629,57 +465,6 @@ static inline void list_splice_init_rcu(struct list_head *list, | |||
| 629 | &pos->member != (head); \ | 465 | &pos->member != (head); \ |
| 630 | pos = n, n = list_entry(n->member.prev, typeof(*n), member)) | 466 | pos = n, n = list_entry(n->member.prev, typeof(*n), member)) |
| 631 | 467 | ||
| 632 | /** | ||
| 633 | * list_for_each_rcu - iterate over an rcu-protected list | ||
| 634 | * @pos: the &struct list_head to use as a loop cursor. | ||
| 635 | * @head: the head for your list. | ||
| 636 | * | ||
| 637 | * This list-traversal primitive may safely run concurrently with | ||
| 638 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 639 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 640 | */ | ||
| 641 | #define list_for_each_rcu(pos, head) \ | ||
| 642 | for (pos = rcu_dereference((head)->next); \ | ||
| 643 | prefetch(pos->next), pos != (head); \ | ||
| 644 | pos = rcu_dereference(pos->next)) | ||
| 645 | |||
| 646 | #define __list_for_each_rcu(pos, head) \ | ||
| 647 | for (pos = rcu_dereference((head)->next); \ | ||
| 648 | pos != (head); \ | ||
| 649 | pos = rcu_dereference(pos->next)) | ||
| 650 | |||
| 651 | /** | ||
| 652 | * list_for_each_entry_rcu - iterate over rcu list of given type | ||
| 653 | * @pos: the type * to use as a loop cursor. | ||
| 654 | * @head: the head for your list. | ||
| 655 | * @member: the name of the list_struct within the struct. | ||
| 656 | * | ||
| 657 | * This list-traversal primitive may safely run concurrently with | ||
| 658 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 659 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 660 | */ | ||
| 661 | #define list_for_each_entry_rcu(pos, head, member) \ | ||
| 662 | for (pos = list_entry(rcu_dereference((head)->next), typeof(*pos), member); \ | ||
| 663 | prefetch(pos->member.next), &pos->member != (head); \ | ||
| 664 | pos = list_entry(rcu_dereference(pos->member.next), typeof(*pos), member)) | ||
| 665 | |||
| 666 | |||
| 667 | /** | ||
| 668 | * list_for_each_continue_rcu | ||
| 669 | * @pos: the &struct list_head to use as a loop cursor. | ||
| 670 | * @head: the head for your list. | ||
| 671 | * | ||
| 672 | * Iterate over an rcu-protected list, continuing after current point. | ||
| 673 | * | ||
| 674 | * This list-traversal primitive may safely run concurrently with | ||
| 675 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 676 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 677 | */ | ||
| 678 | #define list_for_each_continue_rcu(pos, head) \ | ||
| 679 | for ((pos) = rcu_dereference((pos)->next); \ | ||
| 680 | prefetch((pos)->next), (pos) != (head); \ | ||
| 681 | (pos) = rcu_dereference((pos)->next)) | ||
| 682 | |||
| 683 | /* | 468 | /* |
| 684 | * Double linked lists with a single pointer list head. | 469 | * Double linked lists with a single pointer list head. |
| 685 | * Mostly useful for hash tables where the two pointer list head is | 470 | * Mostly useful for hash tables where the two pointer list head is |
| @@ -730,31 +515,6 @@ static inline void hlist_del(struct hlist_node *n) | |||
| 730 | n->pprev = LIST_POISON2; | 515 | n->pprev = LIST_POISON2; |
| 731 | } | 516 | } |
| 732 | 517 | ||
| 733 | /** | ||
| 734 | * hlist_del_rcu - deletes entry from hash list without re-initialization | ||
| 735 | * @n: the element to delete from the hash list. | ||
| 736 | * | ||
| 737 | * Note: list_unhashed() on entry does not return true after this, | ||
| 738 | * the entry is in an undefined state. It is useful for RCU based | ||
| 739 | * lockfree traversal. | ||
| 740 | * | ||
| 741 | * In particular, it means that we can not poison the forward | ||
| 742 | * pointers that may still be used for walking the hash list. | ||
| 743 | * | ||
| 744 | * The caller must take whatever precautions are necessary | ||
| 745 | * (such as holding appropriate locks) to avoid racing | ||
| 746 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 747 | * or hlist_del_rcu(), running on this same list. | ||
| 748 | * However, it is perfectly legal to run concurrently with | ||
| 749 | * the _rcu list-traversal primitives, such as | ||
| 750 | * hlist_for_each_entry(). | ||
| 751 | */ | ||
| 752 | static inline void hlist_del_rcu(struct hlist_node *n) | ||
| 753 | { | ||
| 754 | __hlist_del(n); | ||
| 755 | n->pprev = LIST_POISON2; | ||
| 756 | } | ||
| 757 | |||
| 758 | static inline void hlist_del_init(struct hlist_node *n) | 518 | static inline void hlist_del_init(struct hlist_node *n) |
| 759 | { | 519 | { |
| 760 | if (!hlist_unhashed(n)) { | 520 | if (!hlist_unhashed(n)) { |
| @@ -763,27 +523,6 @@ static inline void hlist_del_init(struct hlist_node *n) | |||
| 763 | } | 523 | } |
| 764 | } | 524 | } |
| 765 | 525 | ||
| 766 | /** | ||
| 767 | * hlist_replace_rcu - replace old entry by new one | ||
| 768 | * @old : the element to be replaced | ||
| 769 | * @new : the new element to insert | ||
| 770 | * | ||
| 771 | * The @old entry will be replaced with the @new entry atomically. | ||
| 772 | */ | ||
| 773 | static inline void hlist_replace_rcu(struct hlist_node *old, | ||
| 774 | struct hlist_node *new) | ||
| 775 | { | ||
| 776 | struct hlist_node *next = old->next; | ||
| 777 | |||
| 778 | new->next = next; | ||
| 779 | new->pprev = old->pprev; | ||
| 780 | smp_wmb(); | ||
| 781 | if (next) | ||
| 782 | new->next->pprev = &new->next; | ||
| 783 | *new->pprev = new; | ||
| 784 | old->pprev = LIST_POISON2; | ||
| 785 | } | ||
| 786 | |||
| 787 | static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) | 526 | static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) |
| 788 | { | 527 | { |
| 789 | struct hlist_node *first = h->first; | 528 | struct hlist_node *first = h->first; |
| @@ -794,38 +533,6 @@ static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h) | |||
| 794 | n->pprev = &h->first; | 533 | n->pprev = &h->first; |
| 795 | } | 534 | } |
| 796 | 535 | ||
| 797 | |||
| 798 | /** | ||
| 799 | * hlist_add_head_rcu | ||
| 800 | * @n: the element to add to the hash list. | ||
| 801 | * @h: the list to add to. | ||
| 802 | * | ||
| 803 | * Description: | ||
| 804 | * Adds the specified element to the specified hlist, | ||
| 805 | * while permitting racing traversals. | ||
| 806 | * | ||
| 807 | * The caller must take whatever precautions are necessary | ||
| 808 | * (such as holding appropriate locks) to avoid racing | ||
| 809 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 810 | * or hlist_del_rcu(), running on this same list. | ||
| 811 | * However, it is perfectly legal to run concurrently with | ||
| 812 | * the _rcu list-traversal primitives, such as | ||
| 813 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 814 | * problems on Alpha CPUs. Regardless of the type of CPU, the | ||
| 815 | * list-traversal primitive must be guarded by rcu_read_lock(). | ||
| 816 | */ | ||
| 817 | static inline void hlist_add_head_rcu(struct hlist_node *n, | ||
| 818 | struct hlist_head *h) | ||
| 819 | { | ||
| 820 | struct hlist_node *first = h->first; | ||
| 821 | n->next = first; | ||
| 822 | n->pprev = &h->first; | ||
| 823 | smp_wmb(); | ||
| 824 | if (first) | ||
| 825 | first->pprev = &n->next; | ||
| 826 | h->first = n; | ||
| 827 | } | ||
| 828 | |||
| 829 | /* next must be != NULL */ | 536 | /* next must be != NULL */ |
| 830 | static inline void hlist_add_before(struct hlist_node *n, | 537 | static inline void hlist_add_before(struct hlist_node *n, |
| 831 | struct hlist_node *next) | 538 | struct hlist_node *next) |
| @@ -847,63 +554,6 @@ static inline void hlist_add_after(struct hlist_node *n, | |||
| 847 | next->next->pprev = &next->next; | 554 | next->next->pprev = &next->next; |
| 848 | } | 555 | } |
| 849 | 556 | ||
| 850 | /** | ||
| 851 | * hlist_add_before_rcu | ||
| 852 | * @n: the new element to add to the hash list. | ||
| 853 | * @next: the existing element to add the new element before. | ||
| 854 | * | ||
| 855 | * Description: | ||
| 856 | * Adds the specified element to the specified hlist | ||
| 857 | * before the specified node while permitting racing traversals. | ||
| 858 | * | ||
| 859 | * The caller must take whatever precautions are necessary | ||
| 860 | * (such as holding appropriate locks) to avoid racing | ||
| 861 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 862 | * or hlist_del_rcu(), running on this same list. | ||
| 863 | * However, it is perfectly legal to run concurrently with | ||
| 864 | * the _rcu list-traversal primitives, such as | ||
| 865 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 866 | * problems on Alpha CPUs. | ||
| 867 | */ | ||
| 868 | static inline void hlist_add_before_rcu(struct hlist_node *n, | ||
| 869 | struct hlist_node *next) | ||
| 870 | { | ||
| 871 | n->pprev = next->pprev; | ||
| 872 | n->next = next; | ||
| 873 | smp_wmb(); | ||
| 874 | next->pprev = &n->next; | ||
| 875 | *(n->pprev) = n; | ||
| 876 | } | ||
| 877 | |||
| 878 | /** | ||
| 879 | * hlist_add_after_rcu | ||
| 880 | * @prev: the existing element to add the new element after. | ||
| 881 | * @n: the new element to add to the hash list. | ||
| 882 | * | ||
| 883 | * Description: | ||
| 884 | * Adds the specified element to the specified hlist | ||
| 885 | * after the specified node while permitting racing traversals. | ||
| 886 | * | ||
| 887 | * The caller must take whatever precautions are necessary | ||
| 888 | * (such as holding appropriate locks) to avoid racing | ||
| 889 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 890 | * or hlist_del_rcu(), running on this same list. | ||
| 891 | * However, it is perfectly legal to run concurrently with | ||
| 892 | * the _rcu list-traversal primitives, such as | ||
| 893 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 894 | * problems on Alpha CPUs. | ||
| 895 | */ | ||
| 896 | static inline void hlist_add_after_rcu(struct hlist_node *prev, | ||
| 897 | struct hlist_node *n) | ||
| 898 | { | ||
| 899 | n->next = prev->next; | ||
| 900 | n->pprev = &prev->next; | ||
| 901 | smp_wmb(); | ||
| 902 | prev->next = n; | ||
| 903 | if (n->next) | ||
| 904 | n->next->pprev = &n->next; | ||
| 905 | } | ||
| 906 | |||
| 907 | #define hlist_entry(ptr, type, member) container_of(ptr,type,member) | 557 | #define hlist_entry(ptr, type, member) container_of(ptr,type,member) |
| 908 | 558 | ||
| 909 | #define hlist_for_each(pos, head) \ | 559 | #define hlist_for_each(pos, head) \ |
| @@ -964,21 +614,4 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev, | |||
| 964 | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ | 614 | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ |
| 965 | pos = n) | 615 | pos = n) |
| 966 | 616 | ||
| 967 | /** | ||
| 968 | * hlist_for_each_entry_rcu - iterate over rcu list of given type | ||
| 969 | * @tpos: the type * to use as a loop cursor. | ||
| 970 | * @pos: the &struct hlist_node to use as a loop cursor. | ||
| 971 | * @head: the head for your list. | ||
| 972 | * @member: the name of the hlist_node within the struct. | ||
| 973 | * | ||
| 974 | * This list-traversal primitive may safely run concurrently with | ||
| 975 | * the _rcu list-mutation primitives such as hlist_add_head_rcu() | ||
| 976 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 977 | */ | ||
| 978 | #define hlist_for_each_entry_rcu(tpos, pos, head, member) \ | ||
| 979 | for (pos = rcu_dereference((head)->first); \ | ||
| 980 | pos && ({ prefetch(pos->next); 1;}) && \ | ||
| 981 | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \ | ||
| 982 | pos = rcu_dereference(pos->next)) | ||
| 983 | |||
| 984 | #endif | 617 | #endif |
diff --git a/include/linux/lm_interface.h b/include/linux/lm_interface.h index f274997bc283..2ed8fa1b762b 100644 --- a/include/linux/lm_interface.h +++ b/include/linux/lm_interface.h | |||
| @@ -122,11 +122,9 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); | |||
| 122 | */ | 122 | */ |
| 123 | 123 | ||
| 124 | #define LM_OUT_ST_MASK 0x00000003 | 124 | #define LM_OUT_ST_MASK 0x00000003 |
| 125 | #define LM_OUT_CACHEABLE 0x00000004 | ||
| 126 | #define LM_OUT_CANCELED 0x00000008 | 125 | #define LM_OUT_CANCELED 0x00000008 |
| 127 | #define LM_OUT_ASYNC 0x00000080 | 126 | #define LM_OUT_ASYNC 0x00000080 |
| 128 | #define LM_OUT_ERROR 0x00000100 | 127 | #define LM_OUT_ERROR 0x00000100 |
| 129 | #define LM_OUT_CONV_DEADLK 0x00000200 | ||
| 130 | 128 | ||
| 131 | /* | 129 | /* |
| 132 | * lm_callback_t types | 130 | * lm_callback_t types |
| @@ -138,9 +136,6 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); | |||
| 138 | * LM_CB_NEED_RECOVERY | 136 | * LM_CB_NEED_RECOVERY |
| 139 | * The given journal needs to be recovered. | 137 | * The given journal needs to be recovered. |
| 140 | * | 138 | * |
| 141 | * LM_CB_DROPLOCKS | ||
| 142 | * Reduce the number of cached locks. | ||
| 143 | * | ||
| 144 | * LM_CB_ASYNC | 139 | * LM_CB_ASYNC |
| 145 | * The given lock has been granted. | 140 | * The given lock has been granted. |
| 146 | */ | 141 | */ |
| @@ -149,7 +144,6 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); | |||
| 149 | #define LM_CB_NEED_D 258 | 144 | #define LM_CB_NEED_D 258 |
| 150 | #define LM_CB_NEED_S 259 | 145 | #define LM_CB_NEED_S 259 |
| 151 | #define LM_CB_NEED_RECOVERY 260 | 146 | #define LM_CB_NEED_RECOVERY 260 |
| 152 | #define LM_CB_DROPLOCKS 261 | ||
| 153 | #define LM_CB_ASYNC 262 | 147 | #define LM_CB_ASYNC 262 |
| 154 | 148 | ||
| 155 | /* | 149 | /* |
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 4c4d236ded18..2486eb4edbf1 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h | |||
| @@ -182,6 +182,9 @@ struct lock_list { | |||
| 182 | * We record lock dependency chains, so that we can cache them: | 182 | * We record lock dependency chains, so that we can cache them: |
| 183 | */ | 183 | */ |
| 184 | struct lock_chain { | 184 | struct lock_chain { |
| 185 | u8 irq_context; | ||
| 186 | u8 depth; | ||
| 187 | u16 base; | ||
| 185 | struct list_head entry; | 188 | struct list_head entry; |
| 186 | u64 chain_key; | 189 | u64 chain_key; |
| 187 | }; | 190 | }; |
| @@ -276,14 +279,6 @@ extern void lockdep_init_map(struct lockdep_map *lock, const char *name, | |||
| 276 | (lock)->dep_map.key, sub) | 279 | (lock)->dep_map.key, sub) |
| 277 | 280 | ||
| 278 | /* | 281 | /* |
| 279 | * To initialize a lockdep_map statically use this macro. | ||
| 280 | * Note that _name must not be NULL. | ||
| 281 | */ | ||
| 282 | #define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ | ||
| 283 | { .name = (_name), .key = (void *)(_key), } | ||
| 284 | |||
| 285 | |||
| 286 | /* | ||
| 287 | * Acquire a lock. | 282 | * Acquire a lock. |
| 288 | * | 283 | * |
| 289 | * Values for "read": | 284 | * Values for "read": |
diff --git a/include/linux/marker.h b/include/linux/marker.h index 430f6adf9762..1290653f9241 100644 --- a/include/linux/marker.h +++ b/include/linux/marker.h | |||
| @@ -44,8 +44,8 @@ struct marker { | |||
| 44 | */ | 44 | */ |
| 45 | char state; /* Marker state. */ | 45 | char state; /* Marker state. */ |
| 46 | char ptype; /* probe type : 0 : single, 1 : multi */ | 46 | char ptype; /* probe type : 0 : single, 1 : multi */ |
| 47 | void (*call)(const struct marker *mdata, /* Probe wrapper */ | 47 | /* Probe wrapper */ |
| 48 | void *call_private, const char *fmt, ...); | 48 | void (*call)(const struct marker *mdata, void *call_private, ...); |
| 49 | struct marker_probe_closure single; | 49 | struct marker_probe_closure single; |
| 50 | struct marker_probe_closure *multi; | 50 | struct marker_probe_closure *multi; |
| 51 | } __attribute__((aligned(8))); | 51 | } __attribute__((aligned(8))); |
| @@ -58,8 +58,12 @@ struct marker { | |||
| 58 | * Make sure the alignment of the structure in the __markers section will | 58 | * Make sure the alignment of the structure in the __markers section will |
| 59 | * not add unwanted padding between the beginning of the section and the | 59 | * not add unwanted padding between the beginning of the section and the |
| 60 | * structure. Force alignment to the same alignment as the section start. | 60 | * structure. Force alignment to the same alignment as the section start. |
| 61 | * | ||
| 62 | * The "generic" argument controls which marker enabling mechanism must be used. | ||
| 63 | * If generic is true, a variable read is used. | ||
| 64 | * If generic is false, immediate values are used. | ||
| 61 | */ | 65 | */ |
| 62 | #define __trace_mark(name, call_private, format, args...) \ | 66 | #define __trace_mark(generic, name, call_private, format, args...) \ |
| 63 | do { \ | 67 | do { \ |
| 64 | static const char __mstrtab_##name[] \ | 68 | static const char __mstrtab_##name[] \ |
| 65 | __attribute__((section("__markers_strings"))) \ | 69 | __attribute__((section("__markers_strings"))) \ |
| @@ -72,15 +76,14 @@ struct marker { | |||
| 72 | __mark_check_format(format, ## args); \ | 76 | __mark_check_format(format, ## args); \ |
| 73 | if (unlikely(__mark_##name.state)) { \ | 77 | if (unlikely(__mark_##name.state)) { \ |
| 74 | (*__mark_##name.call) \ | 78 | (*__mark_##name.call) \ |
| 75 | (&__mark_##name, call_private, \ | 79 | (&__mark_##name, call_private, ## args);\ |
| 76 | format, ## args); \ | ||
| 77 | } \ | 80 | } \ |
| 78 | } while (0) | 81 | } while (0) |
| 79 | 82 | ||
| 80 | extern void marker_update_probe_range(struct marker *begin, | 83 | extern void marker_update_probe_range(struct marker *begin, |
| 81 | struct marker *end); | 84 | struct marker *end); |
| 82 | #else /* !CONFIG_MARKERS */ | 85 | #else /* !CONFIG_MARKERS */ |
| 83 | #define __trace_mark(name, call_private, format, args...) \ | 86 | #define __trace_mark(generic, name, call_private, format, args...) \ |
| 84 | __mark_check_format(format, ## args) | 87 | __mark_check_format(format, ## args) |
| 85 | static inline void marker_update_probe_range(struct marker *begin, | 88 | static inline void marker_update_probe_range(struct marker *begin, |
| 86 | struct marker *end) | 89 | struct marker *end) |
| @@ -88,15 +91,30 @@ static inline void marker_update_probe_range(struct marker *begin, | |||
| 88 | #endif /* CONFIG_MARKERS */ | 91 | #endif /* CONFIG_MARKERS */ |
| 89 | 92 | ||
| 90 | /** | 93 | /** |
| 91 | * trace_mark - Marker | 94 | * trace_mark - Marker using code patching |
| 92 | * @name: marker name, not quoted. | 95 | * @name: marker name, not quoted. |
| 93 | * @format: format string | 96 | * @format: format string |
| 94 | * @args...: variable argument list | 97 | * @args...: variable argument list |
| 95 | * | 98 | * |
| 96 | * Places a marker. | 99 | * Places a marker using optimized code patching technique (imv_read()) |
| 100 | * to be enabled when immediate values are present. | ||
| 97 | */ | 101 | */ |
| 98 | #define trace_mark(name, format, args...) \ | 102 | #define trace_mark(name, format, args...) \ |
| 99 | __trace_mark(name, NULL, format, ## args) | 103 | __trace_mark(0, name, NULL, format, ## args) |
| 104 | |||
| 105 | /** | ||
| 106 | * _trace_mark - Marker using variable read | ||
| 107 | * @name: marker name, not quoted. | ||
| 108 | * @format: format string | ||
| 109 | * @args...: variable argument list | ||
| 110 | * | ||
| 111 | * Places a marker using a standard memory read (_imv_read()) to be | ||
| 112 | * enabled. Should be used for markers in code paths where instruction | ||
| 113 | * modification based enabling is not welcome. (__init and __exit functions, | ||
| 114 | * lockdep, some traps, printk). | ||
| 115 | */ | ||
| 116 | #define _trace_mark(name, format, args...) \ | ||
| 117 | __trace_mark(1, name, NULL, format, ## args) | ||
| 100 | 118 | ||
| 101 | /** | 119 | /** |
| 102 | * MARK_NOARGS - Format string for a marker with no argument. | 120 | * MARK_NOARGS - Format string for a marker with no argument. |
| @@ -117,9 +135,9 @@ static inline void __printf(1, 2) ___mark_check_format(const char *fmt, ...) | |||
| 117 | extern marker_probe_func __mark_empty_function; | 135 | extern marker_probe_func __mark_empty_function; |
| 118 | 136 | ||
| 119 | extern void marker_probe_cb(const struct marker *mdata, | 137 | extern void marker_probe_cb(const struct marker *mdata, |
| 120 | void *call_private, const char *fmt, ...); | 138 | void *call_private, ...); |
| 121 | extern void marker_probe_cb_noarg(const struct marker *mdata, | 139 | extern void marker_probe_cb_noarg(const struct marker *mdata, |
| 122 | void *call_private, const char *fmt, ...); | 140 | void *call_private, ...); |
| 123 | 141 | ||
| 124 | /* | 142 | /* |
| 125 | * Connect a probe to a marker. | 143 | * Connect a probe to a marker. |
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index a744383d16e9..81b3dd5206e0 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h | |||
| @@ -398,7 +398,8 @@ int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_waterm | |||
| 398 | int mlx4_INIT_PORT(struct mlx4_dev *dev, int port); | 398 | int mlx4_INIT_PORT(struct mlx4_dev *dev, int port); |
| 399 | int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port); | 399 | int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port); |
| 400 | 400 | ||
| 401 | int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]); | 401 | int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], |
| 402 | int block_mcast_loopback); | ||
| 402 | int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]); | 403 | int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]); |
| 403 | 404 | ||
| 404 | int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, | 405 | int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, |
diff --git a/include/linux/mm.h b/include/linux/mm.h index 586a943cab01..cf1cd3a2ed78 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h | |||
| @@ -998,8 +998,8 @@ extern void free_area_init_node(int nid, pg_data_t *pgdat, | |||
| 998 | extern void free_area_init_nodes(unsigned long *max_zone_pfn); | 998 | extern void free_area_init_nodes(unsigned long *max_zone_pfn); |
| 999 | extern void add_active_range(unsigned int nid, unsigned long start_pfn, | 999 | extern void add_active_range(unsigned int nid, unsigned long start_pfn, |
| 1000 | unsigned long end_pfn); | 1000 | unsigned long end_pfn); |
| 1001 | extern void shrink_active_range(unsigned int nid, unsigned long old_end_pfn, | 1001 | extern void remove_active_range(unsigned int nid, unsigned long start_pfn, |
| 1002 | unsigned long new_end_pfn); | 1002 | unsigned long end_pfn); |
| 1003 | extern void push_node_boundaries(unsigned int nid, unsigned long start_pfn, | 1003 | extern void push_node_boundaries(unsigned int nid, unsigned long start_pfn, |
| 1004 | unsigned long end_pfn); | 1004 | unsigned long end_pfn); |
| 1005 | extern void remove_all_active_ranges(void); | 1005 | extern void remove_all_active_ranges(void); |
| @@ -1011,6 +1011,8 @@ extern unsigned long find_min_pfn_with_active_regions(void); | |||
| 1011 | extern unsigned long find_max_pfn_with_active_regions(void); | 1011 | extern unsigned long find_max_pfn_with_active_regions(void); |
| 1012 | extern void free_bootmem_with_active_regions(int nid, | 1012 | extern void free_bootmem_with_active_regions(int nid, |
| 1013 | unsigned long max_low_pfn); | 1013 | unsigned long max_low_pfn); |
| 1014 | typedef int (*work_fn_t)(unsigned long, unsigned long, void *); | ||
| 1015 | extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data); | ||
| 1014 | extern void sparse_memory_present_with_active_regions(int nid); | 1016 | extern void sparse_memory_present_with_active_regions(int nid); |
| 1015 | #ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID | 1017 | #ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID |
| 1016 | extern int early_pfn_to_nid(unsigned long pfn); | 1018 | extern int early_pfn_to_nid(unsigned long pfn); |
| @@ -1024,6 +1026,7 @@ extern void mem_init(void); | |||
| 1024 | extern void show_mem(void); | 1026 | extern void show_mem(void); |
| 1025 | extern void si_meminfo(struct sysinfo * val); | 1027 | extern void si_meminfo(struct sysinfo * val); |
| 1026 | extern void si_meminfo_node(struct sysinfo *val, int nid); | 1028 | extern void si_meminfo_node(struct sysinfo *val, int nid); |
| 1029 | extern int after_bootmem; | ||
| 1027 | 1030 | ||
| 1028 | #ifdef CONFIG_NUMA | 1031 | #ifdef CONFIG_NUMA |
| 1029 | extern void setup_per_cpu_pageset(void); | 1032 | extern void setup_per_cpu_pageset(void); |
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h new file mode 100644 index 000000000000..61d19e1b7a0b --- /dev/null +++ b/include/linux/mmiotrace.h | |||
| @@ -0,0 +1,85 @@ | |||
| 1 | #ifndef MMIOTRACE_H | ||
| 2 | #define MMIOTRACE_H | ||
| 3 | |||
| 4 | #include <linux/types.h> | ||
| 5 | #include <linux/list.h> | ||
| 6 | |||
| 7 | struct kmmio_probe; | ||
| 8 | struct pt_regs; | ||
| 9 | |||
| 10 | typedef void (*kmmio_pre_handler_t)(struct kmmio_probe *, | ||
| 11 | struct pt_regs *, unsigned long addr); | ||
| 12 | typedef void (*kmmio_post_handler_t)(struct kmmio_probe *, | ||
| 13 | unsigned long condition, struct pt_regs *); | ||
| 14 | |||
| 15 | struct kmmio_probe { | ||
| 16 | struct list_head list; /* kmmio internal list */ | ||
| 17 | unsigned long addr; /* start location of the probe point */ | ||
| 18 | unsigned long len; /* length of the probe region */ | ||
| 19 | kmmio_pre_handler_t pre_handler; /* Called before addr is executed. */ | ||
| 20 | kmmio_post_handler_t post_handler; /* Called after addr is executed */ | ||
| 21 | void *private; | ||
| 22 | }; | ||
| 23 | |||
| 24 | /* kmmio is active by some kmmio_probes? */ | ||
| 25 | static inline int is_kmmio_active(void) | ||
| 26 | { | ||
| 27 | extern unsigned int kmmio_count; | ||
| 28 | return kmmio_count; | ||
| 29 | } | ||
| 30 | |||
| 31 | extern int register_kmmio_probe(struct kmmio_probe *p); | ||
| 32 | extern void unregister_kmmio_probe(struct kmmio_probe *p); | ||
| 33 | |||
| 34 | /* Called from page fault handler. */ | ||
| 35 | extern int kmmio_handler(struct pt_regs *regs, unsigned long addr); | ||
| 36 | |||
| 37 | /* Called from ioremap.c */ | ||
| 38 | #ifdef CONFIG_MMIOTRACE | ||
| 39 | extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size, | ||
| 40 | void __iomem *addr); | ||
| 41 | extern void mmiotrace_iounmap(volatile void __iomem *addr); | ||
| 42 | #else | ||
| 43 | static inline void mmiotrace_ioremap(resource_size_t offset, | ||
| 44 | unsigned long size, void __iomem *addr) | ||
| 45 | { | ||
| 46 | } | ||
| 47 | |||
| 48 | static inline void mmiotrace_iounmap(volatile void __iomem *addr) | ||
| 49 | { | ||
| 50 | } | ||
| 51 | #endif /* CONFIG_MMIOTRACE_HOOKS */ | ||
| 52 | |||
| 53 | enum mm_io_opcode { | ||
| 54 | MMIO_READ = 0x1, /* struct mmiotrace_rw */ | ||
| 55 | MMIO_WRITE = 0x2, /* struct mmiotrace_rw */ | ||
| 56 | MMIO_PROBE = 0x3, /* struct mmiotrace_map */ | ||
| 57 | MMIO_UNPROBE = 0x4, /* struct mmiotrace_map */ | ||
| 58 | MMIO_MARKER = 0x5, /* raw char data */ | ||
| 59 | MMIO_UNKNOWN_OP = 0x6, /* struct mmiotrace_rw */ | ||
| 60 | }; | ||
| 61 | |||
| 62 | struct mmiotrace_rw { | ||
| 63 | resource_size_t phys; /* PCI address of register */ | ||
| 64 | unsigned long value; | ||
| 65 | unsigned long pc; /* optional program counter */ | ||
| 66 | int map_id; | ||
| 67 | unsigned char opcode; /* one of MMIO_{READ,WRITE,UNKNOWN_OP} */ | ||
| 68 | unsigned char width; /* size of register access in bytes */ | ||
| 69 | }; | ||
| 70 | |||
| 71 | struct mmiotrace_map { | ||
| 72 | resource_size_t phys; /* base address in PCI space */ | ||
| 73 | unsigned long virt; /* base virtual address */ | ||
| 74 | unsigned long len; /* mapping size */ | ||
| 75 | int map_id; | ||
| 76 | unsigned char opcode; /* MMIO_PROBE or MMIO_UNPROBE */ | ||
| 77 | }; | ||
| 78 | |||
| 79 | /* in kernel/trace/trace_mmiotrace.c */ | ||
| 80 | extern void enable_mmiotrace(void); | ||
| 81 | extern void disable_mmiotrace(void); | ||
| 82 | extern void mmio_trace_rw(struct mmiotrace_rw *rw); | ||
| 83 | extern void mmio_trace_mapping(struct mmiotrace_map *map); | ||
| 84 | |||
| 85 | #endif /* MMIOTRACE_H */ | ||
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 69b2342d5ebb..c4db5827963d 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h | |||
| @@ -159,6 +159,15 @@ struct ap_device_id { | |||
| 159 | 159 | ||
| 160 | #define AP_DEVICE_ID_MATCH_DEVICE_TYPE 0x01 | 160 | #define AP_DEVICE_ID_MATCH_DEVICE_TYPE 0x01 |
| 161 | 161 | ||
| 162 | /* s390 css bus devices (subchannels) */ | ||
| 163 | struct css_device_id { | ||
| 164 | __u8 match_flags; | ||
| 165 | __u8 type; /* subchannel type */ | ||
| 166 | __u16 pad2; | ||
| 167 | __u32 pad3; | ||
| 168 | kernel_ulong_t driver_data; | ||
| 169 | }; | ||
| 170 | |||
| 162 | #define ACPI_ID_LEN 16 /* only 9 bytes needed here, 16 bytes are used */ | 171 | #define ACPI_ID_LEN 16 /* only 9 bytes needed here, 16 bytes are used */ |
| 163 | /* to workaround crosscompile issues */ | 172 | /* to workaround crosscompile issues */ |
| 164 | 173 | ||
diff --git a/include/linux/mpage.h b/include/linux/mpage.h index 068a0c9946af..5c42821da2d1 100644 --- a/include/linux/mpage.h +++ b/include/linux/mpage.h | |||
| @@ -11,11 +11,21 @@ | |||
| 11 | */ | 11 | */ |
| 12 | #ifdef CONFIG_BLOCK | 12 | #ifdef CONFIG_BLOCK |
| 13 | 13 | ||
| 14 | struct mpage_data { | ||
| 15 | struct bio *bio; | ||
| 16 | sector_t last_block_in_bio; | ||
| 17 | get_block_t *get_block; | ||
| 18 | unsigned use_writepage; | ||
| 19 | }; | ||
| 20 | |||
| 14 | struct writeback_control; | 21 | struct writeback_control; |
| 15 | 22 | ||
| 23 | struct bio *mpage_bio_submit(int rw, struct bio *bio); | ||
| 16 | int mpage_readpages(struct address_space *mapping, struct list_head *pages, | 24 | int mpage_readpages(struct address_space *mapping, struct list_head *pages, |
| 17 | unsigned nr_pages, get_block_t get_block); | 25 | unsigned nr_pages, get_block_t get_block); |
| 18 | int mpage_readpage(struct page *page, get_block_t get_block); | 26 | int mpage_readpage(struct page *page, get_block_t get_block); |
| 27 | int __mpage_writepage(struct page *page, struct writeback_control *wbc, | ||
| 28 | void *data); | ||
| 19 | int mpage_writepages(struct address_space *mapping, | 29 | int mpage_writepages(struct address_space *mapping, |
| 20 | struct writeback_control *wbc, get_block_t get_block); | 30 | struct writeback_control *wbc, get_block_t get_block); |
| 21 | int mpage_writepage(struct page *page, get_block_t *get_block, | 31 | int mpage_writepage(struct page *page, get_block_t *get_block, |
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f31debfac926..0d2a4e7012aa 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h | |||
| @@ -157,6 +157,7 @@ PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active) | |||
| 157 | __PAGEFLAG(Slab, slab) | 157 | __PAGEFLAG(Slab, slab) |
| 158 | PAGEFLAG(Checked, owner_priv_1) /* Used by some filesystems */ | 158 | PAGEFLAG(Checked, owner_priv_1) /* Used by some filesystems */ |
| 159 | PAGEFLAG(Pinned, owner_priv_1) TESTSCFLAG(Pinned, owner_priv_1) /* Xen */ | 159 | PAGEFLAG(Pinned, owner_priv_1) TESTSCFLAG(Pinned, owner_priv_1) /* Xen */ |
| 160 | PAGEFLAG(SavePinned, dirty); /* Xen */ | ||
| 160 | PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) | 161 | PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) |
| 161 | PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private) | 162 | PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private) |
| 162 | __SETPAGEFLAG(Private, private) | 163 | __SETPAGEFLAG(Private, private) |
diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index e875905f7b12..e8c06122be36 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h | |||
| @@ -25,13 +25,11 @@ | |||
| 25 | 25 | ||
| 26 | #include <linux/types.h> | 26 | #include <linux/types.h> |
| 27 | 27 | ||
| 28 | /* Macro to aid the definition of ranges of bits */ | ||
| 29 | #define PB_range(name, required_bits) \ | ||
| 30 | name, name ## _end = (name + required_bits) - 1 | ||
| 31 | |||
| 32 | /* Bit indices that affect a whole block of pages */ | 28 | /* Bit indices that affect a whole block of pages */ |
| 33 | enum pageblock_bits { | 29 | enum pageblock_bits { |
| 34 | PB_range(PB_migrate, 3), /* 3 bits required for migrate types */ | 30 | PB_migrate, |
| 31 | PB_migrate_end = PB_migrate + 3 - 1, | ||
| 32 | /* 3 bits required for migrate types */ | ||
| 35 | NR_PAGEBLOCK_BITS | 33 | NR_PAGEBLOCK_BITS |
| 36 | }; | 34 | }; |
| 37 | 35 | ||
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index 9007ccdfc112..208388835357 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h | |||
| @@ -35,7 +35,7 @@ int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount); | |||
| 35 | void percpu_counter_destroy(struct percpu_counter *fbc); | 35 | void percpu_counter_destroy(struct percpu_counter *fbc); |
| 36 | void percpu_counter_set(struct percpu_counter *fbc, s64 amount); | 36 | void percpu_counter_set(struct percpu_counter *fbc, s64 amount); |
| 37 | void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch); | 37 | void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch); |
| 38 | s64 __percpu_counter_sum(struct percpu_counter *fbc); | 38 | s64 __percpu_counter_sum(struct percpu_counter *fbc, int set); |
| 39 | 39 | ||
| 40 | static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount) | 40 | static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount) |
| 41 | { | 41 | { |
| @@ -44,13 +44,19 @@ static inline void percpu_counter_add(struct percpu_counter *fbc, s64 amount) | |||
| 44 | 44 | ||
| 45 | static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc) | 45 | static inline s64 percpu_counter_sum_positive(struct percpu_counter *fbc) |
| 46 | { | 46 | { |
| 47 | s64 ret = __percpu_counter_sum(fbc); | 47 | s64 ret = __percpu_counter_sum(fbc, 0); |
| 48 | return ret < 0 ? 0 : ret; | 48 | return ret < 0 ? 0 : ret; |
| 49 | } | 49 | } |
| 50 | 50 | ||
| 51 | static inline s64 percpu_counter_sum_and_set(struct percpu_counter *fbc) | ||
| 52 | { | ||
| 53 | return __percpu_counter_sum(fbc, 1); | ||
| 54 | } | ||
| 55 | |||
| 56 | |||
| 51 | static inline s64 percpu_counter_sum(struct percpu_counter *fbc) | 57 | static inline s64 percpu_counter_sum(struct percpu_counter *fbc) |
| 52 | { | 58 | { |
| 53 | return __percpu_counter_sum(fbc); | 59 | return __percpu_counter_sum(fbc, 0); |
| 54 | } | 60 | } |
| 55 | 61 | ||
| 56 | static inline s64 percpu_counter_read(struct percpu_counter *fbc) | 62 | static inline s64 percpu_counter_read(struct percpu_counter *fbc) |
diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 23f0c54175cd..72b1a10a59b6 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h | |||
| @@ -10,7 +10,7 @@ | |||
| 10 | #include <linux/linkage.h> | 10 | #include <linux/linkage.h> |
| 11 | #include <linux/list.h> | 11 | #include <linux/list.h> |
| 12 | 12 | ||
| 13 | #ifdef CONFIG_DEBUG_PREEMPT | 13 | #if defined(CONFIG_DEBUG_PREEMPT) || defined(CONFIG_PREEMPT_TRACER) |
| 14 | extern void add_preempt_count(int val); | 14 | extern void add_preempt_count(int val); |
| 15 | extern void sub_preempt_count(int val); | 15 | extern void sub_preempt_count(int val); |
| 16 | #else | 16 | #else |
| @@ -52,6 +52,34 @@ do { \ | |||
| 52 | preempt_check_resched(); \ | 52 | preempt_check_resched(); \ |
| 53 | } while (0) | 53 | } while (0) |
| 54 | 54 | ||
| 55 | /* For debugging and tracer internals only! */ | ||
| 56 | #define add_preempt_count_notrace(val) \ | ||
| 57 | do { preempt_count() += (val); } while (0) | ||
| 58 | #define sub_preempt_count_notrace(val) \ | ||
| 59 | do { preempt_count() -= (val); } while (0) | ||
| 60 | #define inc_preempt_count_notrace() add_preempt_count_notrace(1) | ||
| 61 | #define dec_preempt_count_notrace() sub_preempt_count_notrace(1) | ||
| 62 | |||
| 63 | #define preempt_disable_notrace() \ | ||
| 64 | do { \ | ||
| 65 | inc_preempt_count_notrace(); \ | ||
| 66 | barrier(); \ | ||
| 67 | } while (0) | ||
| 68 | |||
| 69 | #define preempt_enable_no_resched_notrace() \ | ||
| 70 | do { \ | ||
| 71 | barrier(); \ | ||
| 72 | dec_preempt_count_notrace(); \ | ||
| 73 | } while (0) | ||
| 74 | |||
| 75 | /* preempt_check_resched is OK to trace */ | ||
| 76 | #define preempt_enable_notrace() \ | ||
| 77 | do { \ | ||
| 78 | preempt_enable_no_resched_notrace(); \ | ||
| 79 | barrier(); \ | ||
| 80 | preempt_check_resched(); \ | ||
| 81 | } while (0) | ||
| 82 | |||
| 55 | #else | 83 | #else |
| 56 | 84 | ||
| 57 | #define preempt_disable() do { } while (0) | 85 | #define preempt_disable() do { } while (0) |
| @@ -59,6 +87,10 @@ do { \ | |||
| 59 | #define preempt_enable() do { } while (0) | 87 | #define preempt_enable() do { } while (0) |
| 60 | #define preempt_check_resched() do { } while (0) | 88 | #define preempt_check_resched() do { } while (0) |
| 61 | 89 | ||
| 90 | #define preempt_disable_notrace() do { } while (0) | ||
| 91 | #define preempt_enable_no_resched_notrace() do { } while (0) | ||
| 92 | #define preempt_enable_notrace() do { } while (0) | ||
| 93 | |||
| 62 | #endif | 94 | #endif |
| 63 | 95 | ||
| 64 | #ifdef CONFIG_PREEMPT_NOTIFIERS | 96 | #ifdef CONFIG_PREEMPT_NOTIFIERS |
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index f98501ba557e..c6f5f9dd0cee 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h | |||
| @@ -95,8 +95,12 @@ extern void __ptrace_link(struct task_struct *child, | |||
| 95 | struct task_struct *new_parent); | 95 | struct task_struct *new_parent); |
| 96 | extern void __ptrace_unlink(struct task_struct *child); | 96 | extern void __ptrace_unlink(struct task_struct *child); |
| 97 | extern void ptrace_untrace(struct task_struct *child); | 97 | extern void ptrace_untrace(struct task_struct *child); |
| 98 | extern int ptrace_may_attach(struct task_struct *task); | 98 | #define PTRACE_MODE_READ 1 |
| 99 | extern int __ptrace_may_attach(struct task_struct *task); | 99 | #define PTRACE_MODE_ATTACH 2 |
| 100 | /* Returns 0 on success, -errno on denial. */ | ||
| 101 | extern int __ptrace_may_access(struct task_struct *task, unsigned int mode); | ||
| 102 | /* Returns true on success, false on denial. */ | ||
| 103 | extern bool ptrace_may_access(struct task_struct *task, unsigned int mode); | ||
| 100 | 104 | ||
| 101 | static inline int ptrace_reparented(struct task_struct *child) | 105 | static inline int ptrace_reparented(struct task_struct *child) |
| 102 | { | 106 | { |
diff --git a/include/linux/pwm.h b/include/linux/pwm.h new file mode 100644 index 000000000000..3945f803d514 --- /dev/null +++ b/include/linux/pwm.h | |||
| @@ -0,0 +1,31 @@ | |||
| 1 | #ifndef __LINUX_PWM_H | ||
| 2 | #define __LINUX_PWM_H | ||
| 3 | |||
| 4 | struct pwm_device; | ||
| 5 | |||
| 6 | /* | ||
| 7 | * pwm_request - request a PWM device | ||
| 8 | */ | ||
| 9 | struct pwm_device *pwm_request(int pwm_id, const char *label); | ||
| 10 | |||
| 11 | /* | ||
| 12 | * pwm_free - free a PWM device | ||
| 13 | */ | ||
| 14 | void pwm_free(struct pwm_device *pwm); | ||
| 15 | |||
| 16 | /* | ||
| 17 | * pwm_config - change a PWM device configuration | ||
| 18 | */ | ||
| 19 | int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns); | ||
| 20 | |||
| 21 | /* | ||
| 22 | * pwm_enable - start a PWM output toggling | ||
| 23 | */ | ||
| 24 | int pwm_enable(struct pwm_device *pwm); | ||
| 25 | |||
| 26 | /* | ||
| 27 | * pwm_disable - stop a PWM output toggling | ||
| 28 | */ | ||
| 29 | void pwm_disable(struct pwm_device *pwm); | ||
| 30 | |||
| 31 | #endif /* __ASM_ARCH_PWM_H */ | ||
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h new file mode 100644 index 000000000000..7a9754c96775 --- /dev/null +++ b/include/linux/pwm_backlight.h | |||
| @@ -0,0 +1,17 @@ | |||
| 1 | /* | ||
| 2 | * Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c | ||
| 3 | */ | ||
| 4 | #ifndef __LINUX_PWM_BACKLIGHT_H | ||
| 5 | #define __LINUX_PWM_BACKLIGHT_H | ||
| 6 | |||
| 7 | struct platform_pwm_backlight_data { | ||
| 8 | int pwm_id; | ||
| 9 | unsigned int max_brightness; | ||
| 10 | unsigned int dft_brightness; | ||
| 11 | unsigned int pwm_period_ns; | ||
| 12 | int (*init)(struct device *dev); | ||
| 13 | int (*notify)(int brightness); | ||
| 14 | void (*exit)(struct device *dev); | ||
| 15 | }; | ||
| 16 | |||
| 17 | #endif | ||
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h index b3aa05baab8a..8c774905dcfe 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h | |||
| @@ -151,7 +151,10 @@ extern struct lockdep_map rcu_lock_map; | |||
| 151 | 151 | ||
| 152 | #define __synchronize_sched() synchronize_rcu() | 152 | #define __synchronize_sched() synchronize_rcu() |
| 153 | 153 | ||
| 154 | #define call_rcu_sched(head, func) call_rcu(head, func) | ||
| 155 | |||
| 154 | extern void __rcu_init(void); | 156 | extern void __rcu_init(void); |
| 157 | #define rcu_init_sched() do { } while (0) | ||
| 155 | extern void rcu_check_callbacks(int cpu, int user); | 158 | extern void rcu_check_callbacks(int cpu, int user); |
| 156 | extern void rcu_restart_cpu(int cpu); | 159 | extern void rcu_restart_cpu(int cpu); |
| 157 | 160 | ||
diff --git a/include/linux/rculist.h b/include/linux/rculist.h index bde4586f4382..b0f39be08b6c 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h | |||
| @@ -1,6 +1,373 @@ | |||
| 1 | #ifndef _LINUX_RCULIST_H | 1 | #ifndef _LINUX_RCULIST_H |
| 2 | #define _LINUX_RCULIST_H | 2 | #define _LINUX_RCULIST_H |
| 3 | 3 | ||
| 4 | #ifdef __KERNEL__ | ||
| 5 | |||
| 6 | /* | ||
| 7 | * RCU-protected list version | ||
| 8 | */ | ||
| 4 | #include <linux/list.h> | 9 | #include <linux/list.h> |
| 10 | #include <linux/rcupdate.h> | ||
| 11 | |||
| 12 | /* | ||
| 13 | * Insert a new entry between two known consecutive entries. | ||
| 14 | * | ||
| 15 | * This is only for internal list manipulation where we know | ||
| 16 | * the prev/next entries already! | ||
| 17 | */ | ||
| 18 | static inline void __list_add_rcu(struct list_head *new, | ||
| 19 | struct list_head *prev, struct list_head *next) | ||
| 20 | { | ||
| 21 | new->next = next; | ||
| 22 | new->prev = prev; | ||
| 23 | rcu_assign_pointer(prev->next, new); | ||
| 24 | next->prev = new; | ||
| 25 | } | ||
| 26 | |||
| 27 | /** | ||
| 28 | * list_add_rcu - add a new entry to rcu-protected list | ||
| 29 | * @new: new entry to be added | ||
| 30 | * @head: list head to add it after | ||
| 31 | * | ||
| 32 | * Insert a new entry after the specified head. | ||
| 33 | * This is good for implementing stacks. | ||
| 34 | * | ||
| 35 | * The caller must take whatever precautions are necessary | ||
| 36 | * (such as holding appropriate locks) to avoid racing | ||
| 37 | * with another list-mutation primitive, such as list_add_rcu() | ||
| 38 | * or list_del_rcu(), running on this same list. | ||
| 39 | * However, it is perfectly legal to run concurrently with | ||
| 40 | * the _rcu list-traversal primitives, such as | ||
| 41 | * list_for_each_entry_rcu(). | ||
| 42 | */ | ||
| 43 | static inline void list_add_rcu(struct list_head *new, struct list_head *head) | ||
| 44 | { | ||
| 45 | __list_add_rcu(new, head, head->next); | ||
| 46 | } | ||
| 47 | |||
| 48 | /** | ||
| 49 | * list_add_tail_rcu - add a new entry to rcu-protected list | ||
| 50 | * @new: new entry to be added | ||
| 51 | * @head: list head to add it before | ||
| 52 | * | ||
| 53 | * Insert a new entry before the specified head. | ||
| 54 | * This is useful for implementing queues. | ||
| 55 | * | ||
| 56 | * The caller must take whatever precautions are necessary | ||
| 57 | * (such as holding appropriate locks) to avoid racing | ||
| 58 | * with another list-mutation primitive, such as list_add_tail_rcu() | ||
| 59 | * or list_del_rcu(), running on this same list. | ||
| 60 | * However, it is perfectly legal to run concurrently with | ||
| 61 | * the _rcu list-traversal primitives, such as | ||
| 62 | * list_for_each_entry_rcu(). | ||
| 63 | */ | ||
| 64 | static inline void list_add_tail_rcu(struct list_head *new, | ||
| 65 | struct list_head *head) | ||
| 66 | { | ||
| 67 | __list_add_rcu(new, head->prev, head); | ||
| 68 | } | ||
| 69 | |||
| 70 | /** | ||
| 71 | * list_del_rcu - deletes entry from list without re-initialization | ||
| 72 | * @entry: the element to delete from the list. | ||
| 73 | * | ||
| 74 | * Note: list_empty() on entry does not return true after this, | ||
| 75 | * the entry is in an undefined state. It is useful for RCU based | ||
| 76 | * lockfree traversal. | ||
| 77 | * | ||
| 78 | * In particular, it means that we can not poison the forward | ||
| 79 | * pointers that may still be used for walking the list. | ||
| 80 | * | ||
| 81 | * The caller must take whatever precautions are necessary | ||
| 82 | * (such as holding appropriate locks) to avoid racing | ||
| 83 | * with another list-mutation primitive, such as list_del_rcu() | ||
| 84 | * or list_add_rcu(), running on this same list. | ||
| 85 | * However, it is perfectly legal to run concurrently with | ||
| 86 | * the _rcu list-traversal primitives, such as | ||
| 87 | * list_for_each_entry_rcu(). | ||
| 88 | * | ||
| 89 | * Note that the caller is not permitted to immediately free | ||
| 90 | * the newly deleted entry. Instead, either synchronize_rcu() | ||
| 91 | * or call_rcu() must be used to defer freeing until an RCU | ||
| 92 | * grace period has elapsed. | ||
| 93 | */ | ||
| 94 | static inline void list_del_rcu(struct list_head *entry) | ||
| 95 | { | ||
| 96 | __list_del(entry->prev, entry->next); | ||
| 97 | entry->prev = LIST_POISON2; | ||
| 98 | } | ||
| 99 | |||
| 100 | /** | ||
| 101 | * list_replace_rcu - replace old entry by new one | ||
| 102 | * @old : the element to be replaced | ||
| 103 | * @new : the new element to insert | ||
| 104 | * | ||
| 105 | * The @old entry will be replaced with the @new entry atomically. | ||
| 106 | * Note: @old should not be empty. | ||
| 107 | */ | ||
| 108 | static inline void list_replace_rcu(struct list_head *old, | ||
| 109 | struct list_head *new) | ||
| 110 | { | ||
| 111 | new->next = old->next; | ||
| 112 | new->prev = old->prev; | ||
| 113 | rcu_assign_pointer(new->prev->next, new); | ||
| 114 | new->next->prev = new; | ||
| 115 | old->prev = LIST_POISON2; | ||
| 116 | } | ||
| 117 | |||
| 118 | /** | ||
| 119 | * list_splice_init_rcu - splice an RCU-protected list into an existing list. | ||
| 120 | * @list: the RCU-protected list to splice | ||
| 121 | * @head: the place in the list to splice the first list into | ||
| 122 | * @sync: function to sync: synchronize_rcu(), synchronize_sched(), ... | ||
| 123 | * | ||
| 124 | * @head can be RCU-read traversed concurrently with this function. | ||
| 125 | * | ||
| 126 | * Note that this function blocks. | ||
| 127 | * | ||
| 128 | * Important note: the caller must take whatever action is necessary to | ||
| 129 | * prevent any other updates to @head. In principle, it is possible | ||
| 130 | * to modify the list as soon as sync() begins execution. | ||
| 131 | * If this sort of thing becomes necessary, an alternative version | ||
| 132 | * based on call_rcu() could be created. But only if -really- | ||
| 133 | * needed -- there is no shortage of RCU API members. | ||
| 134 | */ | ||
| 135 | static inline void list_splice_init_rcu(struct list_head *list, | ||
| 136 | struct list_head *head, | ||
| 137 | void (*sync)(void)) | ||
| 138 | { | ||
| 139 | struct list_head *first = list->next; | ||
| 140 | struct list_head *last = list->prev; | ||
| 141 | struct list_head *at = head->next; | ||
| 142 | |||
| 143 | if (list_empty(head)) | ||
| 144 | return; | ||
| 145 | |||
| 146 | /* "first" and "last" tracking list, so initialize it. */ | ||
| 147 | |||
| 148 | INIT_LIST_HEAD(list); | ||
| 149 | |||
| 150 | /* | ||
| 151 | * At this point, the list body still points to the source list. | ||
| 152 | * Wait for any readers to finish using the list before splicing | ||
| 153 | * the list body into the new list. Any new readers will see | ||
| 154 | * an empty list. | ||
| 155 | */ | ||
| 156 | |||
| 157 | sync(); | ||
| 158 | |||
| 159 | /* | ||
| 160 | * Readers are finished with the source list, so perform splice. | ||
| 161 | * The order is important if the new list is global and accessible | ||
| 162 | * to concurrent RCU readers. Note that RCU readers are not | ||
| 163 | * permitted to traverse the prev pointers without excluding | ||
| 164 | * this function. | ||
| 165 | */ | ||
| 166 | |||
| 167 | last->next = at; | ||
| 168 | rcu_assign_pointer(head->next, first); | ||
| 169 | first->prev = head; | ||
| 170 | at->prev = last; | ||
| 171 | } | ||
| 172 | |||
| 173 | /** | ||
| 174 | * list_for_each_rcu - iterate over an rcu-protected list | ||
| 175 | * @pos: the &struct list_head to use as a loop cursor. | ||
| 176 | * @head: the head for your list. | ||
| 177 | * | ||
| 178 | * This list-traversal primitive may safely run concurrently with | ||
| 179 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 180 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 181 | */ | ||
| 182 | #define list_for_each_rcu(pos, head) \ | ||
| 183 | for (pos = rcu_dereference((head)->next); \ | ||
| 184 | prefetch(pos->next), pos != (head); \ | ||
| 185 | pos = rcu_dereference(pos->next)) | ||
| 186 | |||
| 187 | #define __list_for_each_rcu(pos, head) \ | ||
| 188 | for (pos = rcu_dereference((head)->next); \ | ||
| 189 | pos != (head); \ | ||
| 190 | pos = rcu_dereference(pos->next)) | ||
| 191 | |||
| 192 | /** | ||
| 193 | * list_for_each_entry_rcu - iterate over rcu list of given type | ||
| 194 | * @pos: the type * to use as a loop cursor. | ||
| 195 | * @head: the head for your list. | ||
| 196 | * @member: the name of the list_struct within the struct. | ||
| 197 | * | ||
| 198 | * This list-traversal primitive may safely run concurrently with | ||
| 199 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 200 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 201 | */ | ||
| 202 | #define list_for_each_entry_rcu(pos, head, member) \ | ||
| 203 | for (pos = list_entry(rcu_dereference((head)->next), typeof(*pos), member); \ | ||
| 204 | prefetch(pos->member.next), &pos->member != (head); \ | ||
| 205 | pos = list_entry(rcu_dereference(pos->member.next), typeof(*pos), member)) | ||
| 206 | |||
| 207 | |||
| 208 | /** | ||
| 209 | * list_for_each_continue_rcu | ||
| 210 | * @pos: the &struct list_head to use as a loop cursor. | ||
| 211 | * @head: the head for your list. | ||
| 212 | * | ||
| 213 | * Iterate over an rcu-protected list, continuing after current point. | ||
| 214 | * | ||
| 215 | * This list-traversal primitive may safely run concurrently with | ||
| 216 | * the _rcu list-mutation primitives such as list_add_rcu() | ||
| 217 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 218 | */ | ||
| 219 | #define list_for_each_continue_rcu(pos, head) \ | ||
| 220 | for ((pos) = rcu_dereference((pos)->next); \ | ||
| 221 | prefetch((pos)->next), (pos) != (head); \ | ||
| 222 | (pos) = rcu_dereference((pos)->next)) | ||
| 223 | |||
| 224 | /** | ||
| 225 | * hlist_del_rcu - deletes entry from hash list without re-initialization | ||
| 226 | * @n: the element to delete from the hash list. | ||
| 227 | * | ||
| 228 | * Note: list_unhashed() on entry does not return true after this, | ||
| 229 | * the entry is in an undefined state. It is useful for RCU based | ||
| 230 | * lockfree traversal. | ||
| 231 | * | ||
| 232 | * In particular, it means that we can not poison the forward | ||
| 233 | * pointers that may still be used for walking the hash list. | ||
| 234 | * | ||
| 235 | * The caller must take whatever precautions are necessary | ||
| 236 | * (such as holding appropriate locks) to avoid racing | ||
| 237 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 238 | * or hlist_del_rcu(), running on this same list. | ||
| 239 | * However, it is perfectly legal to run concurrently with | ||
| 240 | * the _rcu list-traversal primitives, such as | ||
| 241 | * hlist_for_each_entry(). | ||
| 242 | */ | ||
| 243 | static inline void hlist_del_rcu(struct hlist_node *n) | ||
| 244 | { | ||
| 245 | __hlist_del(n); | ||
| 246 | n->pprev = LIST_POISON2; | ||
| 247 | } | ||
| 248 | |||
| 249 | /** | ||
| 250 | * hlist_replace_rcu - replace old entry by new one | ||
| 251 | * @old : the element to be replaced | ||
| 252 | * @new : the new element to insert | ||
| 253 | * | ||
| 254 | * The @old entry will be replaced with the @new entry atomically. | ||
| 255 | */ | ||
| 256 | static inline void hlist_replace_rcu(struct hlist_node *old, | ||
| 257 | struct hlist_node *new) | ||
| 258 | { | ||
| 259 | struct hlist_node *next = old->next; | ||
| 260 | |||
| 261 | new->next = next; | ||
| 262 | new->pprev = old->pprev; | ||
| 263 | rcu_assign_pointer(*new->pprev, new); | ||
| 264 | if (next) | ||
| 265 | new->next->pprev = &new->next; | ||
| 266 | old->pprev = LIST_POISON2; | ||
| 267 | } | ||
| 268 | |||
| 269 | /** | ||
| 270 | * hlist_add_head_rcu | ||
| 271 | * @n: the element to add to the hash list. | ||
| 272 | * @h: the list to add to. | ||
| 273 | * | ||
| 274 | * Description: | ||
| 275 | * Adds the specified element to the specified hlist, | ||
| 276 | * while permitting racing traversals. | ||
| 277 | * | ||
| 278 | * The caller must take whatever precautions are necessary | ||
| 279 | * (such as holding appropriate locks) to avoid racing | ||
| 280 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 281 | * or hlist_del_rcu(), running on this same list. | ||
| 282 | * However, it is perfectly legal to run concurrently with | ||
| 283 | * the _rcu list-traversal primitives, such as | ||
| 284 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 285 | * problems on Alpha CPUs. Regardless of the type of CPU, the | ||
| 286 | * list-traversal primitive must be guarded by rcu_read_lock(). | ||
| 287 | */ | ||
| 288 | static inline void hlist_add_head_rcu(struct hlist_node *n, | ||
| 289 | struct hlist_head *h) | ||
| 290 | { | ||
| 291 | struct hlist_node *first = h->first; | ||
| 292 | |||
| 293 | n->next = first; | ||
| 294 | n->pprev = &h->first; | ||
| 295 | rcu_assign_pointer(h->first, n); | ||
| 296 | if (first) | ||
| 297 | first->pprev = &n->next; | ||
| 298 | } | ||
| 299 | |||
| 300 | /** | ||
| 301 | * hlist_add_before_rcu | ||
| 302 | * @n: the new element to add to the hash list. | ||
| 303 | * @next: the existing element to add the new element before. | ||
| 304 | * | ||
| 305 | * Description: | ||
| 306 | * Adds the specified element to the specified hlist | ||
| 307 | * before the specified node while permitting racing traversals. | ||
| 308 | * | ||
| 309 | * The caller must take whatever precautions are necessary | ||
| 310 | * (such as holding appropriate locks) to avoid racing | ||
| 311 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 312 | * or hlist_del_rcu(), running on this same list. | ||
| 313 | * However, it is perfectly legal to run concurrently with | ||
| 314 | * the _rcu list-traversal primitives, such as | ||
| 315 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 316 | * problems on Alpha CPUs. | ||
| 317 | */ | ||
| 318 | static inline void hlist_add_before_rcu(struct hlist_node *n, | ||
| 319 | struct hlist_node *next) | ||
| 320 | { | ||
| 321 | n->pprev = next->pprev; | ||
| 322 | n->next = next; | ||
| 323 | rcu_assign_pointer(*(n->pprev), n); | ||
| 324 | next->pprev = &n->next; | ||
| 325 | } | ||
| 326 | |||
| 327 | /** | ||
| 328 | * hlist_add_after_rcu | ||
| 329 | * @prev: the existing element to add the new element after. | ||
| 330 | * @n: the new element to add to the hash list. | ||
| 331 | * | ||
| 332 | * Description: | ||
| 333 | * Adds the specified element to the specified hlist | ||
| 334 | * after the specified node while permitting racing traversals. | ||
| 335 | * | ||
| 336 | * The caller must take whatever precautions are necessary | ||
| 337 | * (such as holding appropriate locks) to avoid racing | ||
| 338 | * with another list-mutation primitive, such as hlist_add_head_rcu() | ||
| 339 | * or hlist_del_rcu(), running on this same list. | ||
| 340 | * However, it is perfectly legal to run concurrently with | ||
| 341 | * the _rcu list-traversal primitives, such as | ||
| 342 | * hlist_for_each_entry_rcu(), used to prevent memory-consistency | ||
| 343 | * problems on Alpha CPUs. | ||
| 344 | */ | ||
| 345 | static inline void hlist_add_after_rcu(struct hlist_node *prev, | ||
| 346 | struct hlist_node *n) | ||
| 347 | { | ||
| 348 | n->next = prev->next; | ||
| 349 | n->pprev = &prev->next; | ||
| 350 | rcu_assign_pointer(prev->next, n); | ||
| 351 | if (n->next) | ||
| 352 | n->next->pprev = &n->next; | ||
| 353 | } | ||
| 354 | |||
| 355 | /** | ||
| 356 | * hlist_for_each_entry_rcu - iterate over rcu list of given type | ||
| 357 | * @tpos: the type * to use as a loop cursor. | ||
| 358 | * @pos: the &struct hlist_node to use as a loop cursor. | ||
| 359 | * @head: the head for your list. | ||
| 360 | * @member: the name of the hlist_node within the struct. | ||
| 361 | * | ||
| 362 | * This list-traversal primitive may safely run concurrently with | ||
| 363 | * the _rcu list-mutation primitives such as hlist_add_head_rcu() | ||
| 364 | * as long as the traversal is guarded by rcu_read_lock(). | ||
| 365 | */ | ||
| 366 | #define hlist_for_each_entry_rcu(tpos, pos, head, member) \ | ||
| 367 | for (pos = rcu_dereference((head)->first); \ | ||
| 368 | pos && ({ prefetch(pos->next); 1; }) && \ | ||
| 369 | ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \ | ||
| 370 | pos = rcu_dereference(pos->next)) | ||
| 5 | 371 | ||
| 6 | #endif /* _LINUX_RCULIST_H */ | 372 | #endif /* __KERNEL__ */ |
| 373 | #endif | ||
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index d42dbec06083..e8b4039cfb2f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h | |||
| @@ -40,6 +40,7 @@ | |||
| 40 | #include <linux/cpumask.h> | 40 | #include <linux/cpumask.h> |
| 41 | #include <linux/seqlock.h> | 41 | #include <linux/seqlock.h> |
| 42 | #include <linux/lockdep.h> | 42 | #include <linux/lockdep.h> |
| 43 | #include <linux/completion.h> | ||
| 43 | 44 | ||
| 44 | /** | 45 | /** |
| 45 | * struct rcu_head - callback structure for use with RCU | 46 | * struct rcu_head - callback structure for use with RCU |
| @@ -168,6 +169,27 @@ struct rcu_head { | |||
| 168 | (p) = (v); \ | 169 | (p) = (v); \ |
| 169 | }) | 170 | }) |
| 170 | 171 | ||
| 172 | /* Infrastructure to implement the synchronize_() primitives. */ | ||
| 173 | |||
| 174 | struct rcu_synchronize { | ||
| 175 | struct rcu_head head; | ||
| 176 | struct completion completion; | ||
| 177 | }; | ||
| 178 | |||
| 179 | extern void wakeme_after_rcu(struct rcu_head *head); | ||
| 180 | |||
| 181 | #define synchronize_rcu_xxx(name, func) \ | ||
| 182 | void name(void) \ | ||
| 183 | { \ | ||
| 184 | struct rcu_synchronize rcu; \ | ||
| 185 | \ | ||
| 186 | init_completion(&rcu.completion); \ | ||
| 187 | /* Will wake me after RCU finished. */ \ | ||
| 188 | func(&rcu.head, wakeme_after_rcu); \ | ||
| 189 | /* Wait for it. */ \ | ||
| 190 | wait_for_completion(&rcu.completion); \ | ||
| 191 | } | ||
| 192 | |||
| 171 | /** | 193 | /** |
| 172 | * synchronize_sched - block until all CPUs have exited any non-preemptive | 194 | * synchronize_sched - block until all CPUs have exited any non-preemptive |
| 173 | * kernel code sequences. | 195 | * kernel code sequences. |
| @@ -224,8 +246,8 @@ extern void call_rcu_bh(struct rcu_head *head, | |||
| 224 | /* Exported common interfaces */ | 246 | /* Exported common interfaces */ |
| 225 | extern void synchronize_rcu(void); | 247 | extern void synchronize_rcu(void); |
| 226 | extern void rcu_barrier(void); | 248 | extern void rcu_barrier(void); |
| 227 | extern long rcu_batches_completed(void); | 249 | extern void rcu_barrier_bh(void); |
| 228 | extern long rcu_batches_completed_bh(void); | 250 | extern void rcu_barrier_sched(void); |
| 229 | 251 | ||
| 230 | /* Internal to kernel */ | 252 | /* Internal to kernel */ |
| 231 | extern void rcu_init(void); | 253 | extern void rcu_init(void); |
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h index 8a05c7e20bc4..f04b64eca636 100644 --- a/include/linux/rcupreempt.h +++ b/include/linux/rcupreempt.h | |||
| @@ -40,10 +40,39 @@ | |||
| 40 | #include <linux/cpumask.h> | 40 | #include <linux/cpumask.h> |
| 41 | #include <linux/seqlock.h> | 41 | #include <linux/seqlock.h> |
| 42 | 42 | ||
| 43 | #define rcu_qsctr_inc(cpu) | 43 | struct rcu_dyntick_sched { |
| 44 | int dynticks; | ||
| 45 | int dynticks_snap; | ||
| 46 | int sched_qs; | ||
| 47 | int sched_qs_snap; | ||
| 48 | int sched_dynticks_snap; | ||
| 49 | }; | ||
| 50 | |||
| 51 | DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched); | ||
| 52 | |||
| 53 | static inline void rcu_qsctr_inc(int cpu) | ||
| 54 | { | ||
| 55 | struct rcu_dyntick_sched *rdssp = &per_cpu(rcu_dyntick_sched, cpu); | ||
| 56 | |||
| 57 | rdssp->sched_qs++; | ||
| 58 | } | ||
| 44 | #define rcu_bh_qsctr_inc(cpu) | 59 | #define rcu_bh_qsctr_inc(cpu) |
| 45 | #define call_rcu_bh(head, rcu) call_rcu(head, rcu) | 60 | #define call_rcu_bh(head, rcu) call_rcu(head, rcu) |
| 46 | 61 | ||
| 62 | /** | ||
| 63 | * call_rcu_sched - Queue RCU callback for invocation after sched grace period. | ||
| 64 | * @head: structure to be used for queueing the RCU updates. | ||
| 65 | * @func: actual update function to be invoked after the grace period | ||
| 66 | * | ||
| 67 | * The update function will be invoked some time after a full | ||
| 68 | * synchronize_sched()-style grace period elapses, in other words after | ||
| 69 | * all currently executing preempt-disabled sections of code (including | ||
| 70 | * hardirq handlers, NMI handlers, and local_irq_save() blocks) have | ||
| 71 | * completed. | ||
| 72 | */ | ||
| 73 | extern void call_rcu_sched(struct rcu_head *head, | ||
| 74 | void (*func)(struct rcu_head *head)); | ||
| 75 | |||
| 47 | extern void __rcu_read_lock(void) __acquires(RCU); | 76 | extern void __rcu_read_lock(void) __acquires(RCU); |
| 48 | extern void __rcu_read_unlock(void) __releases(RCU); | 77 | extern void __rcu_read_unlock(void) __releases(RCU); |
| 49 | extern int rcu_pending(int cpu); | 78 | extern int rcu_pending(int cpu); |
| @@ -55,6 +84,7 @@ extern int rcu_needs_cpu(int cpu); | |||
| 55 | extern void __synchronize_sched(void); | 84 | extern void __synchronize_sched(void); |
| 56 | 85 | ||
| 57 | extern void __rcu_init(void); | 86 | extern void __rcu_init(void); |
| 87 | extern void rcu_init_sched(void); | ||
| 58 | extern void rcu_check_callbacks(int cpu, int user); | 88 | extern void rcu_check_callbacks(int cpu, int user); |
| 59 | extern void rcu_restart_cpu(int cpu); | 89 | extern void rcu_restart_cpu(int cpu); |
| 60 | extern long rcu_batches_completed(void); | 90 | extern long rcu_batches_completed(void); |
| @@ -81,20 +111,20 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu); | |||
| 81 | struct softirq_action; | 111 | struct softirq_action; |
| 82 | 112 | ||
| 83 | #ifdef CONFIG_NO_HZ | 113 | #ifdef CONFIG_NO_HZ |
| 84 | DECLARE_PER_CPU(long, dynticks_progress_counter); | 114 | DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched); |
| 85 | 115 | ||
| 86 | static inline void rcu_enter_nohz(void) | 116 | static inline void rcu_enter_nohz(void) |
| 87 | { | 117 | { |
| 88 | smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */ | 118 | smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */ |
| 89 | __get_cpu_var(dynticks_progress_counter)++; | 119 | __get_cpu_var(rcu_dyntick_sched).dynticks++; |
| 90 | WARN_ON(__get_cpu_var(dynticks_progress_counter) & 0x1); | 120 | WARN_ON(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1); |
| 91 | } | 121 | } |
| 92 | 122 | ||
| 93 | static inline void rcu_exit_nohz(void) | 123 | static inline void rcu_exit_nohz(void) |
| 94 | { | 124 | { |
| 95 | __get_cpu_var(dynticks_progress_counter)++; | ||
| 96 | smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ | 125 | smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ |
| 97 | WARN_ON(!(__get_cpu_var(dynticks_progress_counter) & 0x1)); | 126 | __get_cpu_var(rcu_dyntick_sched).dynticks++; |
| 127 | WARN_ON(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1)); | ||
| 98 | } | 128 | } |
| 99 | 129 | ||
| 100 | #else /* CONFIG_NO_HZ */ | 130 | #else /* CONFIG_NO_HZ */ |
diff --git a/include/linux/resume-trace.h b/include/linux/resume-trace.h index f3f4f28c6960..c9ba2fdf807d 100644 --- a/include/linux/resume-trace.h +++ b/include/linux/resume-trace.h | |||
| @@ -8,7 +8,7 @@ extern int pm_trace_enabled; | |||
| 8 | 8 | ||
| 9 | struct device; | 9 | struct device; |
| 10 | extern void set_trace_device(struct device *); | 10 | extern void set_trace_device(struct device *); |
| 11 | extern void generate_resume_trace(void *tracedata, unsigned int user); | 11 | extern void generate_resume_trace(const void *tracedata, unsigned int user); |
| 12 | 12 | ||
| 13 | #define TRACE_DEVICE(dev) do { \ | 13 | #define TRACE_DEVICE(dev) do { \ |
| 14 | if (pm_trace_enabled) \ | 14 | if (pm_trace_enabled) \ |
diff --git a/include/linux/sched.h b/include/linux/sched.h index c5d3f847ca8d..21349173d148 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
| @@ -134,7 +134,6 @@ extern unsigned long nr_running(void); | |||
| 134 | extern unsigned long nr_uninterruptible(void); | 134 | extern unsigned long nr_uninterruptible(void); |
| 135 | extern unsigned long nr_active(void); | 135 | extern unsigned long nr_active(void); |
| 136 | extern unsigned long nr_iowait(void); | 136 | extern unsigned long nr_iowait(void); |
| 137 | extern unsigned long weighted_cpuload(const int cpu); | ||
| 138 | 137 | ||
| 139 | struct seq_file; | 138 | struct seq_file; |
| 140 | struct cfs_rq; | 139 | struct cfs_rq; |
| @@ -246,6 +245,8 @@ extern asmlinkage void schedule_tail(struct task_struct *prev); | |||
| 246 | extern void init_idle(struct task_struct *idle, int cpu); | 245 | extern void init_idle(struct task_struct *idle, int cpu); |
| 247 | extern void init_idle_bootup_task(struct task_struct *idle); | 246 | extern void init_idle_bootup_task(struct task_struct *idle); |
| 248 | 247 | ||
| 248 | extern int runqueue_is_locked(void); | ||
| 249 | |||
| 249 | extern cpumask_t nohz_cpu_mask; | 250 | extern cpumask_t nohz_cpu_mask; |
| 250 | #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) | 251 | #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) |
| 251 | extern int select_nohz_load_balancer(int cpu); | 252 | extern int select_nohz_load_balancer(int cpu); |
| @@ -784,6 +785,8 @@ struct sched_domain { | |||
| 784 | unsigned int balance_interval; /* initialise to 1. units in ms. */ | 785 | unsigned int balance_interval; /* initialise to 1. units in ms. */ |
| 785 | unsigned int nr_balance_failed; /* initialise to 0 */ | 786 | unsigned int nr_balance_failed; /* initialise to 0 */ |
| 786 | 787 | ||
| 788 | u64 last_update; | ||
| 789 | |||
| 787 | #ifdef CONFIG_SCHEDSTATS | 790 | #ifdef CONFIG_SCHEDSTATS |
| 788 | /* load_balance() stats */ | 791 | /* load_balance() stats */ |
| 789 | unsigned int lb_count[CPU_MAX_IDLE_TYPES]; | 792 | unsigned int lb_count[CPU_MAX_IDLE_TYPES]; |
| @@ -823,23 +826,6 @@ extern int arch_reinit_sched_domains(void); | |||
| 823 | 826 | ||
| 824 | #endif /* CONFIG_SMP */ | 827 | #endif /* CONFIG_SMP */ |
| 825 | 828 | ||
| 826 | /* | ||
| 827 | * A runqueue laden with a single nice 0 task scores a weighted_cpuload of | ||
| 828 | * SCHED_LOAD_SCALE. This function returns 1 if any cpu is laden with a | ||
| 829 | * task of nice 0 or enough lower priority tasks to bring up the | ||
| 830 | * weighted_cpuload | ||
| 831 | */ | ||
| 832 | static inline int above_background_load(void) | ||
| 833 | { | ||
| 834 | unsigned long cpu; | ||
| 835 | |||
| 836 | for_each_online_cpu(cpu) { | ||
| 837 | if (weighted_cpuload(cpu) >= SCHED_LOAD_SCALE) | ||
| 838 | return 1; | ||
| 839 | } | ||
| 840 | return 0; | ||
| 841 | } | ||
| 842 | |||
| 843 | struct io_context; /* See blkdev.h */ | 829 | struct io_context; /* See blkdev.h */ |
| 844 | #define NGROUPS_SMALL 32 | 830 | #define NGROUPS_SMALL 32 |
| 845 | #define NGROUPS_PER_BLOCK ((unsigned int)(PAGE_SIZE / sizeof(gid_t))) | 831 | #define NGROUPS_PER_BLOCK ((unsigned int)(PAGE_SIZE / sizeof(gid_t))) |
| @@ -921,8 +907,8 @@ struct sched_class { | |||
| 921 | void (*set_cpus_allowed)(struct task_struct *p, | 907 | void (*set_cpus_allowed)(struct task_struct *p, |
| 922 | const cpumask_t *newmask); | 908 | const cpumask_t *newmask); |
| 923 | 909 | ||
| 924 | void (*join_domain)(struct rq *rq); | 910 | void (*rq_online)(struct rq *rq); |
| 925 | void (*leave_domain)(struct rq *rq); | 911 | void (*rq_offline)(struct rq *rq); |
| 926 | 912 | ||
| 927 | void (*switched_from) (struct rq *this_rq, struct task_struct *task, | 913 | void (*switched_from) (struct rq *this_rq, struct task_struct *task, |
| 928 | int running); | 914 | int running); |
| @@ -1039,6 +1025,7 @@ struct task_struct { | |||
| 1039 | #endif | 1025 | #endif |
| 1040 | 1026 | ||
| 1041 | int prio, static_prio, normal_prio; | 1027 | int prio, static_prio, normal_prio; |
| 1028 | unsigned int rt_priority; | ||
| 1042 | const struct sched_class *sched_class; | 1029 | const struct sched_class *sched_class; |
| 1043 | struct sched_entity se; | 1030 | struct sched_entity se; |
| 1044 | struct sched_rt_entity rt; | 1031 | struct sched_rt_entity rt; |
| @@ -1122,7 +1109,6 @@ struct task_struct { | |||
| 1122 | int __user *set_child_tid; /* CLONE_CHILD_SETTID */ | 1109 | int __user *set_child_tid; /* CLONE_CHILD_SETTID */ |
| 1123 | int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ | 1110 | int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ |
| 1124 | 1111 | ||
| 1125 | unsigned int rt_priority; | ||
| 1126 | cputime_t utime, stime, utimescaled, stimescaled; | 1112 | cputime_t utime, stime, utimescaled, stimescaled; |
| 1127 | cputime_t gtime; | 1113 | cputime_t gtime; |
| 1128 | cputime_t prev_utime, prev_stime; | 1114 | cputime_t prev_utime, prev_stime; |
| @@ -1141,12 +1127,12 @@ struct task_struct { | |||
| 1141 | gid_t gid,egid,sgid,fsgid; | 1127 | gid_t gid,egid,sgid,fsgid; |
| 1142 | struct group_info *group_info; | 1128 | struct group_info *group_info; |
| 1143 | kernel_cap_t cap_effective, cap_inheritable, cap_permitted, cap_bset; | 1129 | kernel_cap_t cap_effective, cap_inheritable, cap_permitted, cap_bset; |
| 1144 | unsigned securebits; | ||
| 1145 | struct user_struct *user; | 1130 | struct user_struct *user; |
| 1131 | unsigned securebits; | ||
| 1146 | #ifdef CONFIG_KEYS | 1132 | #ifdef CONFIG_KEYS |
| 1133 | unsigned char jit_keyring; /* default keyring to attach requested keys to */ | ||
| 1147 | struct key *request_key_auth; /* assumed request_key authority */ | 1134 | struct key *request_key_auth; /* assumed request_key authority */ |
| 1148 | struct key *thread_keyring; /* keyring private to this thread */ | 1135 | struct key *thread_keyring; /* keyring private to this thread */ |
| 1149 | unsigned char jit_keyring; /* default keyring to attach requested keys to */ | ||
| 1150 | #endif | 1136 | #endif |
| 1151 | char comm[TASK_COMM_LEN]; /* executable name excluding path | 1137 | char comm[TASK_COMM_LEN]; /* executable name excluding path |
| 1152 | - access with [gs]et_task_comm (which lock | 1138 | - access with [gs]et_task_comm (which lock |
| @@ -1233,8 +1219,8 @@ struct task_struct { | |||
| 1233 | # define MAX_LOCK_DEPTH 48UL | 1219 | # define MAX_LOCK_DEPTH 48UL |
| 1234 | u64 curr_chain_key; | 1220 | u64 curr_chain_key; |
| 1235 | int lockdep_depth; | 1221 | int lockdep_depth; |
| 1236 | struct held_lock held_locks[MAX_LOCK_DEPTH]; | ||
| 1237 | unsigned int lockdep_recursion; | 1222 | unsigned int lockdep_recursion; |
| 1223 | struct held_lock held_locks[MAX_LOCK_DEPTH]; | ||
| 1238 | #endif | 1224 | #endif |
| 1239 | 1225 | ||
| 1240 | /* journalling filesystem info */ | 1226 | /* journalling filesystem info */ |
| @@ -1262,10 +1248,6 @@ struct task_struct { | |||
| 1262 | u64 acct_vm_mem1; /* accumulated virtual memory usage */ | 1248 | u64 acct_vm_mem1; /* accumulated virtual memory usage */ |
| 1263 | cputime_t acct_stimexpd;/* stime since last update */ | 1249 | cputime_t acct_stimexpd;/* stime since last update */ |
| 1264 | #endif | 1250 | #endif |
| 1265 | #ifdef CONFIG_NUMA | ||
| 1266 | struct mempolicy *mempolicy; | ||
| 1267 | short il_next; | ||
| 1268 | #endif | ||
| 1269 | #ifdef CONFIG_CPUSETS | 1251 | #ifdef CONFIG_CPUSETS |
| 1270 | nodemask_t mems_allowed; | 1252 | nodemask_t mems_allowed; |
| 1271 | int cpuset_mems_generation; | 1253 | int cpuset_mems_generation; |
| @@ -1285,6 +1267,10 @@ struct task_struct { | |||
| 1285 | struct list_head pi_state_list; | 1267 | struct list_head pi_state_list; |
| 1286 | struct futex_pi_state *pi_state_cache; | 1268 | struct futex_pi_state *pi_state_cache; |
| 1287 | #endif | 1269 | #endif |
| 1270 | #ifdef CONFIG_NUMA | ||
| 1271 | struct mempolicy *mempolicy; | ||
| 1272 | short il_next; | ||
| 1273 | #endif | ||
| 1288 | atomic_t fs_excl; /* holding fs exclusive resources */ | 1274 | atomic_t fs_excl; /* holding fs exclusive resources */ |
| 1289 | struct rcu_head rcu; | 1275 | struct rcu_head rcu; |
| 1290 | 1276 | ||
| @@ -1504,6 +1490,7 @@ static inline void put_task_struct(struct task_struct *t) | |||
| 1504 | #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ | 1490 | #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ |
| 1505 | #define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */ | 1491 | #define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */ |
| 1506 | #define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */ | 1492 | #define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */ |
| 1493 | #define PF_THREAD_BOUND 0x04000000 /* Thread bound to specific cpu */ | ||
| 1507 | #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ | 1494 | #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ |
| 1508 | #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ | 1495 | #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ |
| 1509 | #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */ | 1496 | #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */ |
| @@ -1573,13 +1560,28 @@ static inline void sched_clock_idle_sleep_event(void) | |||
| 1573 | static inline void sched_clock_idle_wakeup_event(u64 delta_ns) | 1560 | static inline void sched_clock_idle_wakeup_event(u64 delta_ns) |
| 1574 | { | 1561 | { |
| 1575 | } | 1562 | } |
| 1576 | #else | 1563 | |
| 1564 | #ifdef CONFIG_NO_HZ | ||
| 1565 | static inline void sched_clock_tick_stop(int cpu) | ||
| 1566 | { | ||
| 1567 | } | ||
| 1568 | |||
| 1569 | static inline void sched_clock_tick_start(int cpu) | ||
| 1570 | { | ||
| 1571 | } | ||
| 1572 | #endif | ||
| 1573 | |||
| 1574 | #else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ | ||
| 1577 | extern void sched_clock_init(void); | 1575 | extern void sched_clock_init(void); |
| 1578 | extern u64 sched_clock_cpu(int cpu); | 1576 | extern u64 sched_clock_cpu(int cpu); |
| 1579 | extern void sched_clock_tick(void); | 1577 | extern void sched_clock_tick(void); |
| 1580 | extern void sched_clock_idle_sleep_event(void); | 1578 | extern void sched_clock_idle_sleep_event(void); |
| 1581 | extern void sched_clock_idle_wakeup_event(u64 delta_ns); | 1579 | extern void sched_clock_idle_wakeup_event(u64 delta_ns); |
| 1580 | #ifdef CONFIG_NO_HZ | ||
| 1581 | extern void sched_clock_tick_stop(int cpu); | ||
| 1582 | extern void sched_clock_tick_start(int cpu); | ||
| 1582 | #endif | 1583 | #endif |
| 1584 | #endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ | ||
| 1583 | 1585 | ||
| 1584 | /* | 1586 | /* |
| 1585 | * For kernel-internal use: high-speed (but slightly incorrect) per-cpu | 1587 | * For kernel-internal use: high-speed (but slightly incorrect) per-cpu |
| @@ -1622,6 +1624,7 @@ extern unsigned int sysctl_sched_child_runs_first; | |||
| 1622 | extern unsigned int sysctl_sched_features; | 1624 | extern unsigned int sysctl_sched_features; |
| 1623 | extern unsigned int sysctl_sched_migration_cost; | 1625 | extern unsigned int sysctl_sched_migration_cost; |
| 1624 | extern unsigned int sysctl_sched_nr_migrate; | 1626 | extern unsigned int sysctl_sched_nr_migrate; |
| 1627 | extern unsigned int sysctl_sched_shares_ratelimit; | ||
| 1625 | 1628 | ||
| 1626 | int sched_nr_latency_handler(struct ctl_table *table, int write, | 1629 | int sched_nr_latency_handler(struct ctl_table *table, int write, |
| 1627 | struct file *file, void __user *buffer, size_t *length, | 1630 | struct file *file, void __user *buffer, size_t *length, |
| @@ -1655,6 +1658,8 @@ extern int can_nice(const struct task_struct *p, const int nice); | |||
| 1655 | extern int task_curr(const struct task_struct *p); | 1658 | extern int task_curr(const struct task_struct *p); |
| 1656 | extern int idle_cpu(int cpu); | 1659 | extern int idle_cpu(int cpu); |
| 1657 | extern int sched_setscheduler(struct task_struct *, int, struct sched_param *); | 1660 | extern int sched_setscheduler(struct task_struct *, int, struct sched_param *); |
| 1661 | extern int sched_setscheduler_nocheck(struct task_struct *, int, | ||
| 1662 | struct sched_param *); | ||
| 1658 | extern struct task_struct *idle_task(int cpu); | 1663 | extern struct task_struct *idle_task(int cpu); |
| 1659 | extern struct task_struct *curr_task(int cpu); | 1664 | extern struct task_struct *curr_task(int cpu); |
| 1660 | extern void set_curr_task(int cpu, struct task_struct *p); | 1665 | extern void set_curr_task(int cpu, struct task_struct *p); |
| @@ -2131,6 +2136,18 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) | |||
| 2131 | } | 2136 | } |
| 2132 | #endif | 2137 | #endif |
| 2133 | 2138 | ||
| 2139 | #ifdef CONFIG_TRACING | ||
| 2140 | extern void | ||
| 2141 | __trace_special(void *__tr, void *__data, | ||
| 2142 | unsigned long arg1, unsigned long arg2, unsigned long arg3); | ||
| 2143 | #else | ||
| 2144 | static inline void | ||
| 2145 | __trace_special(void *__tr, void *__data, | ||
| 2146 | unsigned long arg1, unsigned long arg2, unsigned long arg3) | ||
| 2147 | { | ||
| 2148 | } | ||
| 2149 | #endif | ||
| 2150 | |||
| 2134 | extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask); | 2151 | extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask); |
| 2135 | extern long sched_getaffinity(pid_t pid, cpumask_t *mask); | 2152 | extern long sched_getaffinity(pid_t pid, cpumask_t *mask); |
| 2136 | 2153 | ||
| @@ -2225,6 +2242,8 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) | |||
| 2225 | } | 2242 | } |
| 2226 | #endif /* CONFIG_MM_OWNER */ | 2243 | #endif /* CONFIG_MM_OWNER */ |
| 2227 | 2244 | ||
| 2245 | #define TASK_STATE_TO_CHAR_STR "RSDTtZX" | ||
| 2246 | |||
| 2228 | #endif /* __KERNEL__ */ | 2247 | #endif /* __KERNEL__ */ |
| 2229 | 2248 | ||
| 2230 | #endif | 2249 | #endif |
diff --git a/include/linux/security.h b/include/linux/security.h index 50737c70e78e..31c8851ec5d0 100644 --- a/include/linux/security.h +++ b/include/linux/security.h | |||
| @@ -46,7 +46,8 @@ struct audit_krule; | |||
| 46 | */ | 46 | */ |
| 47 | extern int cap_capable(struct task_struct *tsk, int cap); | 47 | extern int cap_capable(struct task_struct *tsk, int cap); |
| 48 | extern int cap_settime(struct timespec *ts, struct timezone *tz); | 48 | extern int cap_settime(struct timespec *ts, struct timezone *tz); |
| 49 | extern int cap_ptrace(struct task_struct *parent, struct task_struct *child); | 49 | extern int cap_ptrace(struct task_struct *parent, struct task_struct *child, |
| 50 | unsigned int mode); | ||
| 50 | extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | 51 | extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); |
| 51 | extern int cap_capset_check(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | 52 | extern int cap_capset_check(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); |
| 52 | extern void cap_capset_set(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | 53 | extern void cap_capset_set(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); |
| @@ -79,6 +80,7 @@ struct xfrm_selector; | |||
| 79 | struct xfrm_policy; | 80 | struct xfrm_policy; |
| 80 | struct xfrm_state; | 81 | struct xfrm_state; |
| 81 | struct xfrm_user_sec_ctx; | 82 | struct xfrm_user_sec_ctx; |
| 83 | struct seq_file; | ||
| 82 | 84 | ||
| 83 | extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); | 85 | extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); |
| 84 | extern int cap_netlink_recv(struct sk_buff *skb, int cap); | 86 | extern int cap_netlink_recv(struct sk_buff *skb, int cap); |
| @@ -289,10 +291,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |||
| 289 | * Update module state after a successful pivot. | 291 | * Update module state after a successful pivot. |
| 290 | * @old_path contains the path for the old root. | 292 | * @old_path contains the path for the old root. |
| 291 | * @new_path contains the path for the new root. | 293 | * @new_path contains the path for the new root. |
| 292 | * @sb_get_mnt_opts: | ||
| 293 | * Get the security relevant mount options used for a superblock | ||
| 294 | * @sb the superblock to get security mount options from | ||
| 295 | * @opts binary data structure containing all lsm mount data | ||
| 296 | * @sb_set_mnt_opts: | 294 | * @sb_set_mnt_opts: |
| 297 | * Set the security relevant mount options used for a superblock | 295 | * Set the security relevant mount options used for a superblock |
| 298 | * @sb the superblock to set security mount options for | 296 | * @sb the superblock to set security mount options for |
| @@ -1170,6 +1168,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |||
| 1170 | * attributes would be changed by the execve. | 1168 | * attributes would be changed by the execve. |
| 1171 | * @parent contains the task_struct structure for parent process. | 1169 | * @parent contains the task_struct structure for parent process. |
| 1172 | * @child contains the task_struct structure for child process. | 1170 | * @child contains the task_struct structure for child process. |
| 1171 | * @mode contains the PTRACE_MODE flags indicating the form of access. | ||
| 1173 | * Return 0 if permission is granted. | 1172 | * Return 0 if permission is granted. |
| 1174 | * @capget: | 1173 | * @capget: |
| 1175 | * Get the @effective, @inheritable, and @permitted capability sets for | 1174 | * Get the @effective, @inheritable, and @permitted capability sets for |
| @@ -1240,11 +1239,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |||
| 1240 | * @pages contains the number of pages. | 1239 | * @pages contains the number of pages. |
| 1241 | * Return 0 if permission is granted. | 1240 | * Return 0 if permission is granted. |
| 1242 | * | 1241 | * |
| 1243 | * @register_security: | ||
| 1244 | * allow module stacking. | ||
| 1245 | * @name contains the name of the security module being stacked. | ||
| 1246 | * @ops contains a pointer to the struct security_operations of the module to stack. | ||
| 1247 | * | ||
| 1248 | * @secid_to_secctx: | 1242 | * @secid_to_secctx: |
| 1249 | * Convert secid to security context. | 1243 | * Convert secid to security context. |
| 1250 | * @secid contains the security ID. | 1244 | * @secid contains the security ID. |
| @@ -1295,7 +1289,8 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |||
| 1295 | struct security_operations { | 1289 | struct security_operations { |
| 1296 | char name[SECURITY_NAME_MAX + 1]; | 1290 | char name[SECURITY_NAME_MAX + 1]; |
| 1297 | 1291 | ||
| 1298 | int (*ptrace) (struct task_struct *parent, struct task_struct *child); | 1292 | int (*ptrace) (struct task_struct *parent, struct task_struct *child, |
| 1293 | unsigned int mode); | ||
| 1299 | int (*capget) (struct task_struct *target, | 1294 | int (*capget) (struct task_struct *target, |
| 1300 | kernel_cap_t *effective, | 1295 | kernel_cap_t *effective, |
| 1301 | kernel_cap_t *inheritable, kernel_cap_t *permitted); | 1296 | kernel_cap_t *inheritable, kernel_cap_t *permitted); |
| @@ -1328,6 +1323,7 @@ struct security_operations { | |||
| 1328 | void (*sb_free_security) (struct super_block *sb); | 1323 | void (*sb_free_security) (struct super_block *sb); |
| 1329 | int (*sb_copy_data) (char *orig, char *copy); | 1324 | int (*sb_copy_data) (char *orig, char *copy); |
| 1330 | int (*sb_kern_mount) (struct super_block *sb, void *data); | 1325 | int (*sb_kern_mount) (struct super_block *sb, void *data); |
| 1326 | int (*sb_show_options) (struct seq_file *m, struct super_block *sb); | ||
| 1331 | int (*sb_statfs) (struct dentry *dentry); | 1327 | int (*sb_statfs) (struct dentry *dentry); |
| 1332 | int (*sb_mount) (char *dev_name, struct path *path, | 1328 | int (*sb_mount) (char *dev_name, struct path *path, |
| 1333 | char *type, unsigned long flags, void *data); | 1329 | char *type, unsigned long flags, void *data); |
| @@ -1343,8 +1339,6 @@ struct security_operations { | |||
| 1343 | struct path *new_path); | 1339 | struct path *new_path); |
| 1344 | void (*sb_post_pivotroot) (struct path *old_path, | 1340 | void (*sb_post_pivotroot) (struct path *old_path, |
| 1345 | struct path *new_path); | 1341 | struct path *new_path); |
| 1346 | int (*sb_get_mnt_opts) (const struct super_block *sb, | ||
| 1347 | struct security_mnt_opts *opts); | ||
| 1348 | int (*sb_set_mnt_opts) (struct super_block *sb, | 1342 | int (*sb_set_mnt_opts) (struct super_block *sb, |
| 1349 | struct security_mnt_opts *opts); | 1343 | struct security_mnt_opts *opts); |
| 1350 | void (*sb_clone_mnt_opts) (const struct super_block *oldsb, | 1344 | void (*sb_clone_mnt_opts) (const struct super_block *oldsb, |
| @@ -1472,10 +1466,6 @@ struct security_operations { | |||
| 1472 | int (*netlink_send) (struct sock *sk, struct sk_buff *skb); | 1466 | int (*netlink_send) (struct sock *sk, struct sk_buff *skb); |
| 1473 | int (*netlink_recv) (struct sk_buff *skb, int cap); | 1467 | int (*netlink_recv) (struct sk_buff *skb, int cap); |
| 1474 | 1468 | ||
| 1475 | /* allow module stacking */ | ||
| 1476 | int (*register_security) (const char *name, | ||
| 1477 | struct security_operations *ops); | ||
| 1478 | |||
| 1479 | void (*d_instantiate) (struct dentry *dentry, struct inode *inode); | 1469 | void (*d_instantiate) (struct dentry *dentry, struct inode *inode); |
| 1480 | 1470 | ||
| 1481 | int (*getprocattr) (struct task_struct *p, char *name, char **value); | 1471 | int (*getprocattr) (struct task_struct *p, char *name, char **value); |
| @@ -1565,7 +1555,6 @@ struct security_operations { | |||
| 1565 | extern int security_init(void); | 1555 | extern int security_init(void); |
| 1566 | extern int security_module_enable(struct security_operations *ops); | 1556 | extern int security_module_enable(struct security_operations *ops); |
| 1567 | extern int register_security(struct security_operations *ops); | 1557 | extern int register_security(struct security_operations *ops); |
| 1568 | extern int mod_reg_security(const char *name, struct security_operations *ops); | ||
| 1569 | extern struct dentry *securityfs_create_file(const char *name, mode_t mode, | 1558 | extern struct dentry *securityfs_create_file(const char *name, mode_t mode, |
| 1570 | struct dentry *parent, void *data, | 1559 | struct dentry *parent, void *data, |
| 1571 | const struct file_operations *fops); | 1560 | const struct file_operations *fops); |
| @@ -1573,7 +1562,8 @@ extern struct dentry *securityfs_create_dir(const char *name, struct dentry *par | |||
| 1573 | extern void securityfs_remove(struct dentry *dentry); | 1562 | extern void securityfs_remove(struct dentry *dentry); |
| 1574 | 1563 | ||
| 1575 | /* Security operations */ | 1564 | /* Security operations */ |
| 1576 | int security_ptrace(struct task_struct *parent, struct task_struct *child); | 1565 | int security_ptrace(struct task_struct *parent, struct task_struct *child, |
| 1566 | unsigned int mode); | ||
| 1577 | int security_capget(struct task_struct *target, | 1567 | int security_capget(struct task_struct *target, |
| 1578 | kernel_cap_t *effective, | 1568 | kernel_cap_t *effective, |
| 1579 | kernel_cap_t *inheritable, | 1569 | kernel_cap_t *inheritable, |
| @@ -1606,6 +1596,7 @@ int security_sb_alloc(struct super_block *sb); | |||
| 1606 | void security_sb_free(struct super_block *sb); | 1596 | void security_sb_free(struct super_block *sb); |
| 1607 | int security_sb_copy_data(char *orig, char *copy); | 1597 | int security_sb_copy_data(char *orig, char *copy); |
| 1608 | int security_sb_kern_mount(struct super_block *sb, void *data); | 1598 | int security_sb_kern_mount(struct super_block *sb, void *data); |
| 1599 | int security_sb_show_options(struct seq_file *m, struct super_block *sb); | ||
| 1609 | int security_sb_statfs(struct dentry *dentry); | 1600 | int security_sb_statfs(struct dentry *dentry); |
| 1610 | int security_sb_mount(char *dev_name, struct path *path, | 1601 | int security_sb_mount(char *dev_name, struct path *path, |
| 1611 | char *type, unsigned long flags, void *data); | 1602 | char *type, unsigned long flags, void *data); |
| @@ -1617,8 +1608,6 @@ void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *d | |||
| 1617 | void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint); | 1608 | void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint); |
| 1618 | int security_sb_pivotroot(struct path *old_path, struct path *new_path); | 1609 | int security_sb_pivotroot(struct path *old_path, struct path *new_path); |
| 1619 | void security_sb_post_pivotroot(struct path *old_path, struct path *new_path); | 1610 | void security_sb_post_pivotroot(struct path *old_path, struct path *new_path); |
| 1620 | int security_sb_get_mnt_opts(const struct super_block *sb, | ||
| 1621 | struct security_mnt_opts *opts); | ||
| 1622 | int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts); | 1611 | int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts); |
| 1623 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, | 1612 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
| 1624 | struct super_block *newsb); | 1613 | struct super_block *newsb); |
| @@ -1755,9 +1744,11 @@ static inline int security_init(void) | |||
| 1755 | return 0; | 1744 | return 0; |
| 1756 | } | 1745 | } |
| 1757 | 1746 | ||
| 1758 | static inline int security_ptrace(struct task_struct *parent, struct task_struct *child) | 1747 | static inline int security_ptrace(struct task_struct *parent, |
| 1748 | struct task_struct *child, | ||
| 1749 | unsigned int mode) | ||
| 1759 | { | 1750 | { |
| 1760 | return cap_ptrace(parent, child); | 1751 | return cap_ptrace(parent, child, mode); |
| 1761 | } | 1752 | } |
| 1762 | 1753 | ||
| 1763 | static inline int security_capget(struct task_struct *target, | 1754 | static inline int security_capget(struct task_struct *target, |
| @@ -1881,6 +1872,12 @@ static inline int security_sb_kern_mount(struct super_block *sb, void *data) | |||
| 1881 | return 0; | 1872 | return 0; |
| 1882 | } | 1873 | } |
| 1883 | 1874 | ||
| 1875 | static inline int security_sb_show_options(struct seq_file *m, | ||
| 1876 | struct super_block *sb) | ||
| 1877 | { | ||
| 1878 | return 0; | ||
| 1879 | } | ||
| 1880 | |||
| 1884 | static inline int security_sb_statfs(struct dentry *dentry) | 1881 | static inline int security_sb_statfs(struct dentry *dentry) |
| 1885 | { | 1882 | { |
| 1886 | return 0; | 1883 | return 0; |
| @@ -1927,12 +1924,6 @@ static inline int security_sb_pivotroot(struct path *old_path, | |||
| 1927 | static inline void security_sb_post_pivotroot(struct path *old_path, | 1924 | static inline void security_sb_post_pivotroot(struct path *old_path, |
| 1928 | struct path *new_path) | 1925 | struct path *new_path) |
| 1929 | { } | 1926 | { } |
| 1930 | static inline int security_sb_get_mnt_opts(const struct super_block *sb, | ||
| 1931 | struct security_mnt_opts *opts) | ||
| 1932 | { | ||
| 1933 | security_init_mnt_opts(opts); | ||
| 1934 | return 0; | ||
| 1935 | } | ||
| 1936 | 1927 | ||
| 1937 | static inline int security_sb_set_mnt_opts(struct super_block *sb, | 1928 | static inline int security_sb_set_mnt_opts(struct super_block *sb, |
| 1938 | struct security_mnt_opts *opts) | 1929 | struct security_mnt_opts *opts) |
diff --git a/include/linux/smp.h b/include/linux/smp.h index 55232ccf9cfd..48262f86c969 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h | |||
| @@ -7,9 +7,18 @@ | |||
| 7 | */ | 7 | */ |
| 8 | 8 | ||
| 9 | #include <linux/errno.h> | 9 | #include <linux/errno.h> |
| 10 | #include <linux/list.h> | ||
| 11 | #include <linux/cpumask.h> | ||
| 10 | 12 | ||
| 11 | extern void cpu_idle(void); | 13 | extern void cpu_idle(void); |
| 12 | 14 | ||
| 15 | struct call_single_data { | ||
| 16 | struct list_head list; | ||
| 17 | void (*func) (void *info); | ||
| 18 | void *info; | ||
| 19 | unsigned int flags; | ||
| 20 | }; | ||
| 21 | |||
| 13 | #ifdef CONFIG_SMP | 22 | #ifdef CONFIG_SMP |
| 14 | 23 | ||
| 15 | #include <linux/preempt.h> | 24 | #include <linux/preempt.h> |
| @@ -52,15 +61,34 @@ extern void smp_cpus_done(unsigned int max_cpus); | |||
| 52 | /* | 61 | /* |
| 53 | * Call a function on all other processors | 62 | * Call a function on all other processors |
| 54 | */ | 63 | */ |
| 55 | int smp_call_function(void(*func)(void *info), void *info, int retry, int wait); | 64 | int smp_call_function(void(*func)(void *info), void *info, int wait); |
| 56 | 65 | int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info, | |
| 66 | int wait); | ||
| 57 | int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, | 67 | int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, |
| 58 | int retry, int wait); | 68 | int wait); |
| 69 | void __smp_call_function_single(int cpuid, struct call_single_data *data); | ||
| 70 | |||
| 71 | /* | ||
| 72 | * Generic and arch helpers | ||
| 73 | */ | ||
| 74 | #ifdef CONFIG_USE_GENERIC_SMP_HELPERS | ||
| 75 | void generic_smp_call_function_single_interrupt(void); | ||
| 76 | void generic_smp_call_function_interrupt(void); | ||
| 77 | void init_call_single_data(void); | ||
| 78 | void ipi_call_lock(void); | ||
| 79 | void ipi_call_unlock(void); | ||
| 80 | void ipi_call_lock_irq(void); | ||
| 81 | void ipi_call_unlock_irq(void); | ||
| 82 | #else | ||
| 83 | static inline void init_call_single_data(void) | ||
| 84 | { | ||
| 85 | } | ||
| 86 | #endif | ||
| 59 | 87 | ||
| 60 | /* | 88 | /* |
| 61 | * Call a function on all processors | 89 | * Call a function on all processors |
| 62 | */ | 90 | */ |
| 63 | int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait); | 91 | int on_each_cpu(void (*func) (void *info), void *info, int wait); |
| 64 | 92 | ||
| 65 | #define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */ | 93 | #define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */ |
| 66 | #define MSG_ALL 0x8001 | 94 | #define MSG_ALL 0x8001 |
| @@ -90,9 +118,9 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) | |||
| 90 | { | 118 | { |
| 91 | return 0; | 119 | return 0; |
| 92 | } | 120 | } |
| 93 | #define smp_call_function(func, info, retry, wait) \ | 121 | #define smp_call_function(func, info, wait) \ |
| 94 | (up_smp_call_function(func, info)) | 122 | (up_smp_call_function(func, info)) |
| 95 | #define on_each_cpu(func,info,retry,wait) \ | 123 | #define on_each_cpu(func,info,wait) \ |
| 96 | ({ \ | 124 | ({ \ |
| 97 | local_irq_disable(); \ | 125 | local_irq_disable(); \ |
| 98 | func(info); \ | 126 | func(info); \ |
| @@ -102,7 +130,7 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) | |||
| 102 | static inline void smp_send_reschedule(int cpu) { } | 130 | static inline void smp_send_reschedule(int cpu) { } |
| 103 | #define num_booting_cpus() 1 | 131 | #define num_booting_cpus() 1 |
| 104 | #define smp_prepare_boot_cpu() do {} while (0) | 132 | #define smp_prepare_boot_cpu() do {} while (0) |
| 105 | #define smp_call_function_single(cpuid, func, info, retry, wait) \ | 133 | #define smp_call_function_single(cpuid, func, info, wait) \ |
| 106 | ({ \ | 134 | ({ \ |
| 107 | WARN_ON(cpuid != 0); \ | 135 | WARN_ON(cpuid != 0); \ |
| 108 | local_irq_disable(); \ | 136 | local_irq_disable(); \ |
| @@ -112,7 +140,9 @@ static inline void smp_send_reschedule(int cpu) { } | |||
| 112 | }) | 140 | }) |
| 113 | #define smp_call_function_mask(mask, func, info, wait) \ | 141 | #define smp_call_function_mask(mask, func, info, wait) \ |
| 114 | (up_smp_call_function(func, info)) | 142 | (up_smp_call_function(func, info)) |
| 115 | 143 | static inline void init_call_single_data(void) | |
| 144 | { | ||
| 145 | } | ||
| 116 | #endif /* !SMP */ | 146 | #endif /* !SMP */ |
| 117 | 147 | ||
| 118 | /* | 148 | /* |
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h index aab3a4cff4e1..813be59bf345 100644 --- a/include/linux/smp_lock.h +++ b/include/linux/smp_lock.h | |||
| @@ -27,11 +27,24 @@ static inline int reacquire_kernel_lock(struct task_struct *task) | |||
| 27 | extern void __lockfunc lock_kernel(void) __acquires(kernel_lock); | 27 | extern void __lockfunc lock_kernel(void) __acquires(kernel_lock); |
| 28 | extern void __lockfunc unlock_kernel(void) __releases(kernel_lock); | 28 | extern void __lockfunc unlock_kernel(void) __releases(kernel_lock); |
| 29 | 29 | ||
| 30 | /* | ||
| 31 | * Various legacy drivers don't really need the BKL in a specific | ||
| 32 | * function, but they *do* need to know that the BKL became available. | ||
| 33 | * This function just avoids wrapping a bunch of lock/unlock pairs | ||
| 34 | * around code which doesn't really need it. | ||
| 35 | */ | ||
| 36 | static inline void cycle_kernel_lock(void) | ||
| 37 | { | ||
| 38 | lock_kernel(); | ||
| 39 | unlock_kernel(); | ||
| 40 | } | ||
| 41 | |||
| 30 | #else | 42 | #else |
| 31 | 43 | ||
| 32 | #define lock_kernel() do { } while(0) | 44 | #define lock_kernel() do { } while(0) |
| 33 | #define unlock_kernel() do { } while(0) | 45 | #define unlock_kernel() do { } while(0) |
| 34 | #define release_kernel_lock(task) do { } while(0) | 46 | #define release_kernel_lock(task) do { } while(0) |
| 47 | #define cycle_kernel_lock() do { } while(0) | ||
| 35 | #define reacquire_kernel_lock(task) 0 | 48 | #define reacquire_kernel_lock(task) 0 |
| 36 | #define kernel_locked() 1 | 49 | #define kernel_locked() 1 |
| 37 | 50 | ||
diff --git a/include/linux/topology.h b/include/linux/topology.h index 24f3d2282e11..2158fc0d5a56 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h | |||
| @@ -179,4 +179,17 @@ void arch_update_cpu_topology(void); | |||
| 179 | #endif | 179 | #endif |
| 180 | #endif /* CONFIG_NUMA */ | 180 | #endif /* CONFIG_NUMA */ |
| 181 | 181 | ||
| 182 | #ifndef topology_physical_package_id | ||
| 183 | #define topology_physical_package_id(cpu) ((void)(cpu), -1) | ||
| 184 | #endif | ||
| 185 | #ifndef topology_core_id | ||
| 186 | #define topology_core_id(cpu) ((void)(cpu), 0) | ||
| 187 | #endif | ||
| 188 | #ifndef topology_thread_siblings | ||
| 189 | #define topology_thread_siblings(cpu) cpumask_of_cpu(cpu) | ||
| 190 | #endif | ||
| 191 | #ifndef topology_core_siblings | ||
| 192 | #define topology_core_siblings(cpu) cpumask_of_cpu(cpu) | ||
| 193 | #endif | ||
| 194 | |||
| 182 | #endif /* _LINUX_TOPOLOGY_H */ | 195 | #endif /* _LINUX_TOPOLOGY_H */ |
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index f462439cc288..12b15c561a1f 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h | |||
| @@ -63,6 +63,7 @@ struct writeback_control { | |||
| 63 | unsigned for_writepages:1; /* This is a writepages() call */ | 63 | unsigned for_writepages:1; /* This is a writepages() call */ |
| 64 | unsigned range_cyclic:1; /* range_start is cyclic */ | 64 | unsigned range_cyclic:1; /* range_start is cyclic */ |
| 65 | unsigned more_io:1; /* more io to be dispatched */ | 65 | unsigned more_io:1; /* more io to be dispatched */ |
| 66 | unsigned range_cont:1; | ||
| 66 | }; | 67 | }; |
| 67 | 68 | ||
| 68 | /* | 69 | /* |
| @@ -105,6 +106,8 @@ extern int vm_highmem_is_dirtyable; | |||
| 105 | extern int block_dump; | 106 | extern int block_dump; |
| 106 | extern int laptop_mode; | 107 | extern int laptop_mode; |
| 107 | 108 | ||
| 109 | extern unsigned long determine_dirtyable_memory(void); | ||
| 110 | |||
| 108 | extern int dirty_ratio_handler(struct ctl_table *table, int write, | 111 | extern int dirty_ratio_handler(struct ctl_table *table, int write, |
| 109 | struct file *filp, void __user *buffer, size_t *lenp, | 112 | struct file *filp, void __user *buffer, size_t *lenp, |
| 110 | loff_t *ppos); | 113 | loff_t *ppos); |
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h index 2ca6bae88721..fb0c215a3051 100644 --- a/include/linux/xfrm.h +++ b/include/linux/xfrm.h | |||
| @@ -339,6 +339,7 @@ struct xfrm_usersa_info { | |||
| 339 | #define XFRM_STATE_NOPMTUDISC 4 | 339 | #define XFRM_STATE_NOPMTUDISC 4 |
| 340 | #define XFRM_STATE_WILDRECV 8 | 340 | #define XFRM_STATE_WILDRECV 8 |
| 341 | #define XFRM_STATE_ICMP 16 | 341 | #define XFRM_STATE_ICMP 16 |
| 342 | #define XFRM_STATE_AF_UNSPEC 32 | ||
| 342 | }; | 343 | }; |
| 343 | 344 | ||
| 344 | struct xfrm_usersa_id { | 345 | struct xfrm_usersa_id { |
