diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 04:55:54 +0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 04:55:54 +0400 |
| commit | 9134d02bc0af4a8747d448d1f811ec5f8eb96df6 (patch) | |
| tree | 704c3e5dcc10f360815c4868a74711f82fb62e27 /include/linux | |
| parent | bbb20089a3275a19e475dbc21320c3742e3ca423 (diff) | |
| parent | 80ffb3cceaefa405f2ecd46d66500ed8d53efe74 (diff) | |
| download | linux-9134d02bc0af4a8747d448d1f811ec5f8eb96df6.tar.xz | |
Merge commit 'md/for-linus' into async-tx-next
Conflicts:
drivers/md/raid5.c
Diffstat (limited to 'include/linux')
81 files changed, 647 insertions, 395 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index b16a957030f8..47f7d932a01d 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -121,9 +121,9 @@ struct kiocb { /* * If the aio_resfd field of the userspace iocb is not zero, - * this is the underlying file* to deliver event to. + * this is the underlying eventfd context to deliver events to. */ - struct file *ki_eventfd; + struct eventfd_ctx *ki_eventfd; }; #define is_sync_kiocb(iocb) ((iocb)->ki_key == KIOCB_SYNC_KEY) diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 0ec2c594868e..1d52425a6118 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -229,9 +229,14 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi) (1 << BDI_async_congested)); } -void clear_bdi_congested(struct backing_dev_info *bdi, int rw); -void set_bdi_congested(struct backing_dev_info *bdi, int rw); -long congestion_wait(int rw, long timeout); +enum { + BLK_RW_ASYNC = 0, + BLK_RW_SYNC = 1, +}; + +void clear_bdi_congested(struct backing_dev_info *bdi, int sync); +void set_bdi_congested(struct backing_dev_info *bdi, int sync); +long congestion_wait(int sync, long timeout); static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi) diff --git a/include/linux/bio.h b/include/linux/bio.h index 2a04eb54c0dd..2892b710771c 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -319,7 +319,6 @@ static inline int bio_has_allocated_vec(struct bio *bio) */ struct bio_integrity_payload { struct bio *bip_bio; /* parent bio */ - struct bio_vec *bip_vec; /* integrity data vector */ sector_t bip_sector; /* virtual start sector */ @@ -328,11 +327,12 @@ struct bio_integrity_payload { unsigned int bip_size; - unsigned short bip_pool; /* pool the ivec came from */ + unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ unsigned short bip_idx; /* current bip_vec index */ struct work_struct bip_work; /* I/O completion */ + struct bio_vec bip_vec[0]; /* embedded bvec array */ }; #endif /* CONFIG_BLK_DEV_INTEGRITY */ @@ -430,6 +430,9 @@ struct bio_set { unsigned int front_pad; mempool_t *bio_pool; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + mempool_t *bio_integrity_pool; +#endif mempool_t *bvec_pool; }; @@ -634,8 +637,9 @@ static inline struct bio *bio_list_get(struct bio_list *bl) #define bio_integrity(bio) (bio->bi_integrity != NULL) +extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *); extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); -extern void bio_integrity_free(struct bio *); +extern void bio_integrity_free(struct bio *, struct bio_set *); extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); extern int bio_integrity_enabled(struct bio *bio); extern int bio_integrity_set_tag(struct bio *, void *, unsigned int); @@ -645,21 +649,27 @@ extern void bio_integrity_endio(struct bio *, int); extern void bio_integrity_advance(struct bio *, unsigned int); extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int); extern void bio_integrity_split(struct bio *, struct bio_pair *, int); -extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t); +extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *); +extern int bioset_integrity_create(struct bio_set *, int); +extern void bioset_integrity_free(struct bio_set *); +extern void bio_integrity_init(void); #else /* CONFIG_BLK_DEV_INTEGRITY */ #define bio_integrity(a) (0) +#define bioset_integrity_create(a, b) (0) #define bio_integrity_prep(a) (0) #define bio_integrity_enabled(a) (0) -#define bio_integrity_clone(a, b, c) (0) -#define bio_integrity_free(a) do { } while (0) +#define bio_integrity_clone(a, b, c, d) (0) +#define bioset_integrity_free(a) do { } while (0) +#define bio_integrity_free(a, b) do { } while (0) #define bio_integrity_endio(a, b) do { } while (0) #define bio_integrity_advance(a, b) do { } while (0) #define bio_integrity_trim(a, b, c) do { } while (0) #define bio_integrity_split(a, b, c) do { } while (0) #define bio_integrity_set_tag(a, b, c) do { } while (0) #define bio_integrity_get_tag(a, b, c) do { } while (0) +#define bio_integrity_init(a) do { } while (0) #endif /* CONFIG_BLK_DEV_INTEGRITY */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8963d9149b5f..69103e053c92 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -70,11 +70,6 @@ enum rq_cmd_type_bits { REQ_TYPE_ATA_PC, }; -enum { - BLK_RW_ASYNC = 0, - BLK_RW_SYNC = 1, -}; - /* * For request of type REQ_TYPE_LINUX_BLOCK, rq->cmd[0] is the opcode being * sent down (similar to how REQ_TYPE_BLOCK_PC means that ->cmd[] holds a @@ -301,12 +296,6 @@ struct blk_queue_tag { #define BLK_SCSI_MAX_CMDS (256) #define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) -struct blk_cmd_filter { - unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; - unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; - struct kobject kobj; -}; - struct queue_limits { unsigned long bounce_pfn; unsigned long seg_boundary_mask; @@ -445,7 +434,6 @@ struct request_queue #if defined(CONFIG_BLK_DEV_BSG) struct bsg_class_device bsg_dev; #endif - struct blk_cmd_filter cmd_filter; }; #define QUEUE_FLAG_CLUSTER 0 /* cluster several segments into 1 */ @@ -730,6 +718,7 @@ struct rq_map_data { int nr_entries; unsigned long offset; int null_mapped; + int from_user; }; struct req_iterator { @@ -786,18 +775,18 @@ extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, * congested queues, and wake up anyone who was waiting for requests to be * put back. */ -static inline void blk_clear_queue_congested(struct request_queue *q, int rw) +static inline void blk_clear_queue_congested(struct request_queue *q, int sync) { - clear_bdi_congested(&q->backing_dev_info, rw); + clear_bdi_congested(&q->backing_dev_info, sync); } /* * A queue has just entered congestion. Flag that in the queue's VM-visible * state flags and increment the global gounter of congested queues. */ -static inline void blk_set_queue_congested(struct request_queue *q, int rw) +static inline void blk_set_queue_congested(struct request_queue *q, int sync) { - set_bdi_congested(&q->backing_dev_info, rw); + set_bdi_congested(&q->backing_dev_info, sync); } extern void blk_start_queue(struct request_queue *q); @@ -924,6 +913,7 @@ extern void blk_queue_logical_block_size(struct request_queue *, unsigned short) extern void blk_queue_physical_block_size(struct request_queue *, unsigned short); extern void blk_queue_alignment_offset(struct request_queue *q, unsigned int alignment); +extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min); extern void blk_queue_io_min(struct request_queue *q, unsigned int min); extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt); extern void blk_set_default_limits(struct queue_limits *lim); @@ -998,13 +988,7 @@ static inline int sb_issue_discard(struct super_block *sb, return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL); } -/* -* command filter functions -*/ -extern int blk_verify_command(struct blk_cmd_filter *filter, - unsigned char *cmd, fmode_t has_write_perm); -extern void blk_unregister_filter(struct gendisk *disk); -extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter); +extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm); #define MAX_PHYS_SEGMENTS 128 #define MAX_HW_SEGMENTS 128 diff --git a/include/linux/cb710.h b/include/linux/cb710.h index 63bc9a4d2926..8cc10411bab2 100644 --- a/include/linux/cb710.h +++ b/include/linux/cb710.h @@ -140,29 +140,6 @@ void cb710_dump_regs(struct cb710_chip *chip, unsigned dump); #include <linux/highmem.h> #include <linux/scatterlist.h> -/** - * cb710_sg_miter_stop_writing - stop mapping iteration after writing - * @miter: sg mapping iter to be stopped - * - * Description: - * Stops mapping iterator @miter. @miter should have been started - * started using sg_miter_start(). A stopped iteration can be - * resumed by calling sg_miter_next() on it. This is useful when - * resources (kmap) need to be released during iteration. - * - * This is a convenience wrapper that will be optimized out for arches - * that don't need flush_kernel_dcache_page(). - * - * Context: - * IRQ disabled if the SG_MITER_ATOMIC is set. Don't care otherwise. - */ -static inline void cb710_sg_miter_stop_writing(struct sg_mapping_iter *miter) -{ - if (miter->page) - flush_kernel_dcache_page(miter->page); - sg_miter_stop(miter); -} - /* * 32-bit PIO mapping sg iterator * @@ -171,12 +148,12 @@ static inline void cb710_sg_miter_stop_writing(struct sg_mapping_iter *miter) * without DMA support). * * Best-case reading (transfer from device): - * sg_miter_start(); + * sg_miter_start(, SG_MITER_TO_SG); * cb710_sg_dwiter_write_from_io(); - * cb710_sg_miter_stop_writing(); + * sg_miter_stop(); * * Best-case writing (transfer to device): - * sg_miter_start(); + * sg_miter_start(, SG_MITER_FROM_SG); * cb710_sg_dwiter_read_to_io(); * sg_miter_stop(); */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 665fa70e4094..90bba9e62286 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -179,14 +179,11 @@ struct cgroup { */ struct list_head release_list; - /* pids_mutex protects the fields below */ + /* pids_mutex protects pids_list and cached pid arrays. */ struct rw_semaphore pids_mutex; - /* Array of process ids in the cgroup */ - pid_t *tasks_pids; - /* How many files are using the current tasks_pids array */ - int pids_use_count; - /* Length of the current tasks_pids array */ - int pids_length; + + /* Linked list of struct cgroup_pids */ + struct list_head pids_list; /* For RCU-protected deletion */ struct rcu_head rcu_head; @@ -366,6 +363,23 @@ int cgroup_task_count(const struct cgroup *cgrp); int cgroup_is_descendant(const struct cgroup *cgrp, struct task_struct *task); /* + * When the subsys has to access css and may add permanent refcnt to css, + * it should take care of racy conditions with rmdir(). Following set of + * functions, is for stop/restart rmdir if necessary. + * Because these will call css_get/put, "css" should be alive css. + * + * cgroup_exclude_rmdir(); + * ...do some jobs which may access arbitrary empty cgroup + * cgroup_release_and_wakeup_rmdir(); + * + * When someone removes a cgroup while cgroup_exclude_rmdir() holds it, + * it sleeps and cgroup_release_and_wakeup_rmdir() will wake him up. + */ + +void cgroup_exclude_rmdir(struct cgroup_subsys_state *css); +void cgroup_release_and_wakeup_rmdir(struct cgroup_subsys_state *css); + +/* * Control Group subsystem type. * See Documentation/cgroups/cgroups.txt for details */ diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 20a100fe2b4f..3a1dbba4d3ae 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -143,12 +143,3 @@ extern void clockevents_notify(unsigned long reason, void *arg); #endif #endif - -#ifdef CONFIG_GENERIC_CLOCKEVENTS -extern ktime_t clockevents_get_next_event(int cpu); -#else -static inline ktime_t clockevents_get_next_event(int cpu) -{ - return (ktime_t) { .tv64 = KTIME_MAX }; -} -#endif diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index c56457c8334e..1219be4fb42e 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -293,7 +293,12 @@ static inline int clocksource_enable(struct clocksource *cs) if (cs->enable) ret = cs->enable(cs); - /* save mult_orig on enable */ + /* + * The frequency may have changed while the clocksource + * was disabled. If so the code in ->enable() must update + * the mult value to reflect the new frequency. Make sure + * mult_orig follows this change. + */ cs->mult_orig = cs->mult; return ret; @@ -309,6 +314,13 @@ static inline int clocksource_enable(struct clocksource *cs) */ static inline void clocksource_disable(struct clocksource *cs) { + /* + * Save mult_orig in mult so clocksource_enable() can + * restore the value regardless if ->enable() updates + * the value of mult or not. + */ + cs->mult = cs->mult_orig; + if (cs->disable) cs->disable(cs); } diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index d71f7c0f931b..38fe59dc89ae 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -89,7 +89,6 @@ struct vc_data { unsigned int vc_need_wrap : 1; unsigned int vc_can_do_color : 1; unsigned int vc_report_mouse : 2; - unsigned int vc_kmalloced : 1; unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ unsigned char vc_utf_count; int vc_utf_char; diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index 2dac064d8359..0026f267da20 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -3,7 +3,6 @@ #ifdef CONFIG_CRASH_DUMP #include <linux/kexec.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/proc_fs.h> diff --git a/include/linux/decompress/generic.h b/include/linux/decompress/generic.h index 6dfb856327bb..0c7111a55a1a 100644 --- a/include/linux/decompress/generic.h +++ b/include/linux/decompress/generic.h @@ -1,31 +1,37 @@ #ifndef DECOMPRESS_GENERIC_H #define DECOMPRESS_GENERIC_H -/* Minimal chunksize to be read. - *Bzip2 prefers at least 4096 - *Lzma prefers 0x10000 */ -#define COMPR_IOBUF_SIZE 4096 - typedef int (*decompress_fn) (unsigned char *inbuf, int len, int(*fill)(void*, unsigned int), - int(*writebb)(void*, unsigned int), - unsigned char *output, + int(*flush)(void*, unsigned int), + unsigned char *outbuf, int *posp, void(*error)(char *x)); /* inbuf - input buffer *len - len of pre-read data in inbuf - *fill - function to fill inbuf if empty - *writebb - function to write out outbug + *fill - function to fill inbuf when empty + *flush - function to write out outbuf + *outbuf - output buffer *posp - if non-null, input position (number of bytes read) will be * returned here * - *If len != 0, the inbuf is initialized (with as much data), and fill - *should not be called - *If len = 0, the inbuf is allocated, but empty. Its size is IOBUF_SIZE - *fill should be called (repeatedly...) to read data, at most IOBUF_SIZE + *If len != 0, inbuf should contain all the necessary input data, and fill + *should be NULL + *If len = 0, inbuf can be NULL, in which case the decompressor will allocate + *the input buffer. If inbuf != NULL it must be at least XXX_IOBUF_SIZE bytes. + *fill will be called (repeatedly...) to read data, at most XXX_IOBUF_SIZE + *bytes should be read per call. Replace XXX with the appropriate decompressor + *name, i.e. LZMA_IOBUF_SIZE. + * + *If flush = NULL, outbuf must be large enough to buffer all the expected + *output. If flush != NULL, the output buffer will be allocated by the + *decompressor (outbuf = NULL), and the flush function will be called to + *flush the output buffer at the appropriate time (decompressor and stream + *dependent). */ + /* Utility routine to detect the decompression method */ decompress_fn decompress_method(const unsigned char *inbuf, int len, const char **name); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 0d6310657f32..655e7721580a 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -84,7 +84,7 @@ typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm, typedef int (*iterate_devices_callout_fn) (struct dm_target *ti, struct dm_dev *dev, - sector_t physical_start, + sector_t start, sector_t len, void *data); typedef int (*dm_iterate_devices_fn) (struct dm_target *ti, @@ -104,7 +104,7 @@ void dm_error(const char *message); * Combine device limits. */ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev, - sector_t start, void *data); + sector_t start, sector_t len, void *data); struct dm_dev { struct block_device *bdev; diff --git a/include/linux/device.h b/include/linux/device.h index ed4e39f2c423..aebb81036db2 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -25,8 +25,6 @@ #include <asm/atomic.h> #include <asm/device.h> -#define BUS_ID_SIZE 20 - struct device; struct device_private; struct device_driver; diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 7605c5e9589f..00d6a68d0421 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -122,9 +122,10 @@ static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_r static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) { -#ifdef ELF_CORE_COPY_TASK_REGS - +#if defined (ELF_CORE_COPY_TASK_REGS) return ELF_CORE_COPY_TASK_REGS(t, elfregs); +#elif defined (task_pt_regs) + elf_core_copy_regs(elfregs, task_pt_regs(t)); #endif return 0; } diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index f45a8ae5f828..3b85ba6479f4 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -8,10 +8,8 @@ #ifndef _LINUX_EVENTFD_H #define _LINUX_EVENTFD_H -#ifdef CONFIG_EVENTFD - -/* For O_CLOEXEC and O_NONBLOCK */ #include <linux/fcntl.h> +#include <linux/file.h> /* * CAREFUL: Check include/asm-generic/fcntl.h when defining @@ -27,16 +25,37 @@ #define EFD_SHARED_FCNTL_FLAGS (O_CLOEXEC | O_NONBLOCK) #define EFD_FLAGS_SET (EFD_SHARED_FCNTL_FLAGS | EFD_SEMAPHORE) +#ifdef CONFIG_EVENTFD + +struct eventfd_ctx *eventfd_ctx_get(struct eventfd_ctx *ctx); +void eventfd_ctx_put(struct eventfd_ctx *ctx); struct file *eventfd_fget(int fd); -int eventfd_signal(struct file *file, int n); +struct eventfd_ctx *eventfd_ctx_fdget(int fd); +struct eventfd_ctx *eventfd_ctx_fileget(struct file *file); +int eventfd_signal(struct eventfd_ctx *ctx, int n); #else /* CONFIG_EVENTFD */ -#define eventfd_fget(fd) ERR_PTR(-ENOSYS) -static inline int eventfd_signal(struct file *file, int n) -{ return 0; } +/* + * Ugly ugly ugly error layer to support modules that uses eventfd but + * pretend to work in !CONFIG_EVENTFD configurations. Namely, AIO. + */ +static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd) +{ + return ERR_PTR(-ENOSYS); +} + +static inline int eventfd_signal(struct eventfd_ctx *ctx, int n) +{ + return -ENOSYS; +} + +static inline void eventfd_ctx_put(struct eventfd_ctx *ctx) +{ + +} -#endif /* CONFIG_EVENTFD */ +#endif #endif /* _LINUX_EVENTFD_H */ diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 634a5e5aba3e..7499b3667798 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -874,7 +874,7 @@ struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *); struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *); int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result, - int create, int extend_disksize); + int create); extern struct inode *ext3_iget(struct super_block *, unsigned long); extern int ext3_write_inode (struct inode *, int); diff --git a/include/linux/fb.h b/include/linux/fb.h index dd68358996b7..f847df9e99b6 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -819,6 +819,7 @@ struct fb_info { int node; int flags; struct mutex lock; /* Lock for open/release/ioctl funcs */ + struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ struct fb_var_screeninfo var; /* Current var */ struct fb_fix_screeninfo fix; /* Current fix */ struct fb_monspecs monspecs; /* Current Monitor specs */ diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 9823946adbc5..192d1e43c43c 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -127,6 +127,7 @@ struct fw_card { struct delayed_work work; int bm_retries; int bm_generation; + __be32 bm_transaction_data[2]; bool broadcast_channel_allocated; u32 broadcast_channel; diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h new file mode 100644 index 000000000000..23c1ec79a31b --- /dev/null +++ b/include/linux/flex_array.h @@ -0,0 +1,47 @@ +#ifndef _FLEX_ARRAY_H +#define _FLEX_ARRAY_H + +#include <linux/types.h> +#include <asm/page.h> + +#define FLEX_ARRAY_PART_SIZE PAGE_SIZE +#define FLEX_ARRAY_BASE_SIZE PAGE_SIZE + +struct flex_array_part; + +/* + * This is meant to replace cases where an array-like + * structure has gotten too big to fit into kmalloc() + * and the developer is getting tempted to use + * vmalloc(). + */ + +struct flex_array { + union { + struct { + int element_size; + int total_nr_elements; + struct flex_array_part *parts[0]; + }; + /* + * This little trick makes sure that + * sizeof(flex_array) == PAGE_SIZE + */ + char padding[FLEX_ARRAY_BASE_SIZE]; + }; +}; + +#define FLEX_ARRAY_INIT(size, total) { { {\ + .element_size = (size), \ + .total_nr_elements = (total), \ +} } } + +struct flex_array *flex_array_alloc(int element_size, int total, gfp_t flags); +int flex_array_prealloc(struct flex_array *fa, int start, int end, gfp_t flags); +void flex_array_free(struct flex_array *fa); +void flex_array_free_parts(struct flex_array *fa); +int flex_array_put(struct flex_array *fa, int element_nr, void *src, + gfp_t flags); +void *flex_array_get(struct flex_array *fa, int element_nr); + +#endif /* _FLEX_ARRAY_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 0872372184fe..67888a9e0655 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1946,6 +1946,7 @@ extern void putname(const char *name); extern int register_blkdev(unsigned int, const char *); extern void unregister_blkdev(unsigned int, const char *); extern struct block_device *bdget(dev_t); +extern struct block_device *bdgrab(struct block_device *bdev); extern void bd_set_size(struct block_device *, loff_t size); extern void bd_forget(struct inode *inode); extern void bdput(struct block_device *); @@ -2136,7 +2137,7 @@ extern loff_t default_llseek(struct file *file, loff_t offset, int origin); extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin); -extern struct inode * inode_init_always(struct super_block *, struct inode *); +extern int inode_init_always(struct super_block *, struct inode *); extern void inode_init_once(struct inode *); extern void inode_add_to_lists(struct super_block *, struct inode *); extern void iput(struct inode *); @@ -2163,6 +2164,7 @@ extern void __iget(struct inode * inode); extern void iget_failed(struct inode *); extern void clear_inode(struct inode *); extern void destroy_inode(struct inode *); +extern void __destroy_inode(struct inode *); extern struct inode *new_inode(struct super_block *); extern int should_remove_suid(struct dentry *); extern int file_remove_suid(struct file *); diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 44848aa830dc..4d6f47b51189 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -280,7 +280,7 @@ static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) assert_spin_locked(&dentry->d_lock); parent = dentry->d_parent; - if (fsnotify_inode_watches_children(parent->d_inode)) + if (parent->d_inode && fsnotify_inode_watches_children(parent->d_inode)) dentry->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; else dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; @@ -352,7 +352,7 @@ extern void fsnotify_unmount_inodes(struct list_head *list); /* put here because inotify does some weird stuff when destroying watches */ extern struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask, void *data, int data_is, const char *name, - u32 cookie); + u32 cookie, gfp_t gfp); #else diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 5c093ffc655b..d7cd193c2277 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -119,11 +119,9 @@ struct ftrace_event_call { void *filter; void *mod; -#ifdef CONFIG_EVENT_PROFILE - atomic_t profile_count; - int (*profile_enable)(struct ftrace_event_call *); - void (*profile_disable)(struct ftrace_event_call *); -#endif + atomic_t profile_count; + int (*profile_enable)(struct ftrace_event_call *); + void (*profile_disable)(struct ftrace_event_call *); }; #define MAX_FILTER_PRED 32 diff --git a/include/linux/fuse.h b/include/linux/fuse.h index d41ed593f79f..cf593bf9fd32 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -25,6 +25,11 @@ * - add IOCTL message * - add unsolicited notification support * - add POLL message and NOTIFY_POLL notification + * + * 7.12 + * - add umask flag to input argument of open, mknod and mkdir + * - add notification messages for invalidation of inodes and + * directory entries */ #ifndef _LINUX_FUSE_H @@ -36,7 +41,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 11 +#define FUSE_KERNEL_MINOR_VERSION 12 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -112,6 +117,7 @@ struct fuse_file_lock { * INIT request/reply flags * * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." + * FUSE_DONT_MASK: don't apply umask to file mode on create operations */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) @@ -119,6 +125,7 @@ struct fuse_file_lock { #define FUSE_ATOMIC_O_TRUNC (1 << 3) #define FUSE_EXPORT_SUPPORT (1 << 4) #define FUSE_BIG_WRITES (1 << 5) +#define FUSE_DONT_MASK (1 << 6) /** * CUSE INIT request/reply flags @@ -224,6 +231,8 @@ enum fuse_opcode { enum fuse_notify_code { FUSE_NOTIFY_POLL = 1, + FUSE_NOTIFY_INVAL_INODE = 2, + FUSE_NOTIFY_INVAL_ENTRY = 3, FUSE_NOTIFY_CODE_MAX, }; @@ -262,14 +271,18 @@ struct fuse_attr_out { struct fuse_attr attr; }; +#define FUSE_COMPAT_MKNOD_IN_SIZE 8 + struct fuse_mknod_in { __u32 mode; __u32 rdev; + __u32 umask; + __u32 padding; }; struct fuse_mkdir_in { __u32 mode; - __u32 padding; + __u32 umask; }; struct fuse_rename_in { @@ -301,7 +314,14 @@ struct fuse_setattr_in { struct fuse_open_in { __u32 flags; + __u32 unused; +}; + +struct fuse_create_in { + __u32 flags; __u32 mode; + __u32 umask; + __u32 padding; }; struct fuse_open_out { @@ -508,4 +528,16 @@ struct fuse_dirent { #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) +struct fuse_notify_inval_inode_out { + __u64 ino; + __s64 off; + __s64 len; +}; + +struct fuse_notify_inval_entry_out { + __u64 parent; + __u32 namelen; + __u32 padding; +}; + #endif /* _LINUX_FUSE_H */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 45257475623c..8246c697863d 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -2,7 +2,9 @@ #define LINUX_HARDIRQ_H #include <linux/preempt.h> +#ifdef CONFIG_PREEMPT #include <linux/smp_lock.h> +#endif #include <linux/lockdep.h> #include <linux/ftrace_irq.h> #include <asm/hardirq.h> diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 7400900de94a..4759917adc71 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -21,6 +21,7 @@ #include <linux/list.h> #include <linux/wait.h> #include <linux/percpu.h> +#include <linux/timer.h> struct hrtimer_clock_base; @@ -447,6 +448,8 @@ extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf, static inline void timer_stats_account_hrtimer(struct hrtimer *timer) { + if (likely(!timer->start_site)) + return; timer_stats_update_stats(timer, timer->start_pid, timer->start_site, timer->function, timer->start_comm, 0); } @@ -456,6 +459,8 @@ extern void __timer_stats_hrtimer_set_start_info(struct hrtimer *timer, static inline void timer_stats_hrtimer_set_start_info(struct hrtimer *timer) { + if (likely(!timer_stats_active)) + return; __timer_stats_hrtimer_set_start_info(timer, __builtin_return_address(0)); } diff --git a/include/linux/ide.h b/include/linux/ide.h index 95c6e00a72e8..edc93a6d931d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1062,7 +1062,6 @@ int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned l extern int ide_vlb_clk; extern int ide_pci_clk; -unsigned int ide_rq_bytes(struct request *); int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int); void ide_kill_rq(ide_drive_t *, struct request *); @@ -1361,7 +1360,6 @@ int ide_in_drive_list(u16 *, const struct drive_list_entry *); #ifdef CONFIG_BLK_DEV_IDEDMA int ide_dma_good_drive(ide_drive_t *); int __ide_dma_bad_drive(ide_drive_t *); -int ide_id_dma_bug(ide_drive_t *); u8 ide_find_dma_mode(ide_drive_t *, u8); @@ -1402,7 +1400,6 @@ void ide_dma_lost_irq(ide_drive_t *); ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int); #else -static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } @@ -1422,6 +1419,7 @@ static inline void ide_dma_unmap_sg(ide_drive_t *drive, #ifdef CONFIG_BLK_DEV_IDEACPI int ide_acpi_init(void); +bool ide_port_acpi(ide_hwif_t *hwif); extern int ide_acpi_exec_tfs(ide_drive_t *drive); extern void ide_acpi_get_timing(ide_hwif_t *hwif); extern void ide_acpi_push_timing(ide_hwif_t *hwif); @@ -1430,6 +1428,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *); extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); #else static inline int ide_acpi_init(void) { return 0; } +static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; } static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index ae3a1871413d..70fdba2bbf71 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -78,6 +78,7 @@ #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ #define ETH_P_TIPC 0x88CA /* TIPC */ +#define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ #define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ diff --git a/include/linux/ima.h b/include/linux/ima.h index b1b827d091a9..0e3f2a4c25f6 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -24,6 +24,7 @@ extern int ima_path_check(struct path *path, int mask, int update_counts); extern void ima_file_free(struct file *file); extern int ima_file_mmap(struct file *file, unsigned long prot); extern void ima_counts_get(struct file *file); +extern void ima_counts_put(struct path *path, int mask); #else static inline int ima_bprm_check(struct linux_binprm *bprm) @@ -60,5 +61,10 @@ static inline void ima_counts_get(struct file *file) { return; } + +static inline void ima_counts_put(struct path *path, int mask) +{ + return; +} #endif /* CONFIG_IMA_H */ #endif /* _LINUX_IMA_H */ diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index acef2a770b6b..ad27c7da8798 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -82,7 +82,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev) #define IN_DEV_FORWARD(in_dev) IN_DEV_CONF_GET((in_dev), FORWARDING) #define IN_DEV_MFORWARD(in_dev) IN_DEV_ANDCONF((in_dev), MC_FORWARDING) -#define IN_DEV_RPFILTER(in_dev) IN_DEV_ANDCONF((in_dev), RP_FILTER) +#define IN_DEV_RPFILTER(in_dev) IN_DEV_MAXCONF((in_dev), RP_FILTER) #define IN_DEV_SOURCE_ROUTE(in_dev) IN_DEV_ANDCONF((in_dev), \ ACCEPT_SOURCE_ROUTE) #define IN_DEV_BOOTP_RELAY(in_dev) IN_DEV_ANDCONF((in_dev), BOOTP_RELAY) diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 5368fbdc7801..7fc01b13be43 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -183,5 +183,8 @@ extern struct cred init_cred; LIST_HEAD_INIT(cpu_timers[2]), \ } +/* Attach to the init_task data structure for proper alignment */ +#define __init_task_data __attribute__((__section__(".data.init_task"))) + #endif diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h new file mode 100644 index 000000000000..15d5903af2dd --- /dev/null +++ b/include/linux/input/matrix_keypad.h @@ -0,0 +1,66 @@ +#ifndef _MATRIX_KEYPAD_H +#define _MATRIX_KEYPAD_H + +#include <linux/types.h> +#include <linux/input.h> + +#define MATRIX_MAX_ROWS 16 +#define MATRIX_MAX_COLS 16 + +#define KEY(row, col, val) ((((row) & (MATRIX_MAX_ROWS - 1)) << 24) |\ + (((col) & (MATRIX_MAX_COLS - 1)) << 16) |\ + (val & 0xffff)) + +#define KEY_ROW(k) (((k) >> 24) & 0xff) +#define KEY_COL(k) (((k) >> 16) & 0xff) +#define KEY_VAL(k) ((k) & 0xffff) + +#define MATRIX_SCAN_CODE(row, col, row_shift) (((row) << (row_shift)) + (col)) + +/** + * struct matrix_keymap_data - keymap for matrix keyboards + * @keymap: pointer to array of uint32 values encoded with KEY() macro + * representing keymap + * @keymap_size: number of entries (initialized) in this keymap + * + * This structure is supposed to be used by platform code to supply + * keymaps to drivers that implement matrix-like keypads/keyboards. + */ +struct matrix_keymap_data { + const uint32_t *keymap; + unsigned int keymap_size; +}; + +/** + * struct matrix_keypad_platform_data - platform-dependent keypad data + * @keymap_data: pointer to &matrix_keymap_data + * @row_gpios: pointer to array of gpio numbers representing rows + * @col_gpios: pointer to array of gpio numbers reporesenting colums + * @num_row_gpios: actual number of row gpios used by device + * @num_col_gpios: actual number of col gpios used by device + * @col_scan_delay_us: delay, measured in microseconds, that is + * needed before we can keypad after activating column gpio + * @debounce_ms: debounce interval in milliseconds + * + * This structure represents platform-specific data that use used by + * matrix_keypad driver to perform proper initialization. + */ +struct matrix_keypad_platform_data { + const struct matrix_keymap_data *keymap_data; + + const unsigned int *row_gpios; + const unsigned int *col_gpios; + + unsigned int num_row_gpios; + unsigned int num_col_gpios; + + unsigned int col_scan_delay_us; + + /* key debounce interval in milli-second */ + unsigned int debounce_ms; + + bool active_low; + bool wakeup; +}; + +#endif /* _MATRIX_KEYPAD_H */ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 2721f07e9354..35e7df1e9f30 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -14,6 +14,7 @@ #include <linux/irqflags.h> #include <linux/smp.h> #include <linux/percpu.h> +#include <linux/hrtimer.h> #include <asm/atomic.h> #include <asm/ptrace.h> @@ -64,11 +65,13 @@ * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run * IRQTF_DIED - handler thread died * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed + * IRQTF_AFFINITY - irq thread is requested to adjust affinity */ enum { IRQTF_RUNTHREAD, IRQTF_DIED, IRQTF_WARNED, + IRQTF_AFFINITY, }; typedef irqreturn_t (*irq_handler_t)(int, void *); @@ -517,6 +520,31 @@ extern void tasklet_kill_immediate(struct tasklet_struct *t, unsigned int cpu); extern void tasklet_init(struct tasklet_struct *t, void (*func)(unsigned long), unsigned long data); +struct tasklet_hrtimer { + struct hrtimer timer; + struct tasklet_struct tasklet; + enum hrtimer_restart (*function)(struct hrtimer *); +}; + +extern void +tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer, + enum hrtimer_restart (*function)(struct hrtimer *), + clockid_t which_clock, enum hrtimer_mode mode); + +static inline +int tasklet_hrtimer_start(struct tasklet_hrtimer *ttimer, ktime_t time, + const enum hrtimer_mode mode) +{ + return hrtimer_start(&ttimer->timer, time, mode); +} + +static inline +void tasklet_hrtimer_cancel(struct tasklet_hrtimer *ttimer) +{ + hrtimer_cancel(&ttimer->timer); + tasklet_kill(&ttimer->tasklet); +} + /* * Autoprobing for irqs: * diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index dd05434fa45f..4da4a75c3f1e 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -92,7 +92,7 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc) * a race). */ if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) { - atomic_long_inc(&ioc->refcount); + atomic_inc(&ioc->nr_tasks); return ioc; } diff --git a/include/linux/kernel.h b/include/linux/kernel.h index fac104e7186a..d6320a3e8def 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -303,6 +303,7 @@ extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in extern int panic_timeout; extern int panic_on_oops; extern int panic_on_unrecovered_nmi; +extern int panic_on_io_nmi; extern const char *print_tainted(void); extern void add_taint(unsigned flag); extern int test_taint(unsigned flag); diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h index 7796aed6cdd5..6a63807f714e 100644 --- a/include/linux/kmemleak.h +++ b/include/linux/kmemleak.h @@ -27,6 +27,7 @@ extern void kmemleak_init(void); extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, gfp_t gfp); extern void kmemleak_free(const void *ptr); +extern void kmemleak_free_part(const void *ptr, size_t size); extern void kmemleak_padding(const void *ptr, unsigned long offset, size_t size); extern void kmemleak_not_leak(const void *ptr); @@ -71,6 +72,9 @@ static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, static inline void kmemleak_free(const void *ptr) { } +static inline void kmemleak_free_part(const void *ptr, size_t size) +{ +} static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags) { } diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index aacc5449f586..16713dc672e4 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -125,6 +125,7 @@ struct kvm_kernel_irq_routing_entry { struct kvm { struct mutex lock; /* protects the vcpus array and APIC accesses */ spinlock_t mmu_lock; + spinlock_t requests_lock; struct rw_semaphore slots_lock; struct mm_struct *mm; /* userspace tied to this vm */ int nmemslots; diff --git a/include/linux/leds-lp3944.h b/include/linux/leds-lp3944.h new file mode 100644 index 000000000000..afc9f9fd70f5 --- /dev/null +++ b/include/linux/leds-lp3944.h @@ -0,0 +1,53 @@ +/* + * leds-lp3944.h - platform data structure for lp3944 led controller + * + * Copyright (C) 2009 Antonio Ospite <ospite@studenti.unina.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef __LINUX_LEDS_LP3944_H +#define __LINUX_LEDS_LP3944_H + +#include <linux/leds.h> +#include <linux/workqueue.h> + +#define LP3944_LED0 0 +#define LP3944_LED1 1 +#define LP3944_LED2 2 +#define LP3944_LED3 3 +#define LP3944_LED4 4 +#define LP3944_LED5 5 +#define LP3944_LED6 6 +#define LP3944_LED7 7 +#define LP3944_LEDS_MAX 8 + +#define LP3944_LED_STATUS_MASK 0x03 +enum lp3944_status { + LP3944_LED_STATUS_OFF = 0x0, + LP3944_LED_STATUS_ON = 0x1, + LP3944_LED_STATUS_DIM0 = 0x2, + LP3944_LED_STATUS_DIM1 = 0x3 +}; + +enum lp3944_type { + LP3944_LED_TYPE_NONE, + LP3944_LED_TYPE_LED, + LP3944_LED_TYPE_LED_INVERTED, +}; + +struct lp3944_led { + char *name; + enum lp3944_type type; + enum lp3944_status status; +}; + +struct lp3944_platform_data { + struct lp3944_led leds[LP3944_LEDS_MAX]; + u8 leds_size; +}; + +#endif /* __LINUX_LEDS_LP3944_H */ diff --git a/include/linux/leds.h b/include/linux/leds.h index 376fe07732ea..d8bf9665e70c 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -45,7 +45,10 @@ struct led_classdev { /* Get LED brightness level */ enum led_brightness (*brightness_get)(struct led_classdev *led_cdev); - /* Activate hardware accelerated blink */ + /* Activate hardware accelerated blink, delays are in + * miliseconds and if none is provided then a sensible default + * should be chosen. The call can adjust the timings if it can't + * match the values specified exactly. */ int (*blink_set)(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off); @@ -141,9 +144,14 @@ struct gpio_led { const char *name; const char *default_trigger; unsigned gpio; - u8 active_low : 1; - u8 retain_state_suspended : 1; + unsigned active_low : 1; + unsigned retain_state_suspended : 1; + unsigned default_state : 2; + /* default_state should be one of LEDS_GPIO_DEFSTATE_(ON|OFF|KEEP) */ }; +#define LEDS_GPIO_DEFSTATE_OFF 0 +#define LEDS_GPIO_DEFSTATE_ON 1 +#define LEDS_GPIO_DEFSTATE_KEEP 2 struct gpio_led_platform_data { int num_leds; diff --git a/include/linux/lguest.h b/include/linux/lguest.h index 7bc1440fc473..2fb1dcbcb5aa 100644 --- a/include/linux/lguest.h +++ b/include/linux/lguest.h @@ -1,5 +1,7 @@ -/* Things the lguest guest needs to know. Note: like all lguest interfaces, - * this is subject to wild and random change between versions. */ +/* + * Things the lguest guest needs to know. Note: like all lguest interfaces, + * this is subject to wild and random change between versions. + */ #ifndef _LINUX_LGUEST_H #define _LINUX_LGUEST_H @@ -11,32 +13,41 @@ #define LG_CLOCK_MIN_DELTA 100UL #define LG_CLOCK_MAX_DELTA ULONG_MAX -/*G:032 The second method of communicating with the Host is to via "struct +/*G:031 + * The second method of communicating with the Host is to via "struct * lguest_data". Once the Guest's initialization hypercall tells the Host where - * this is, the Guest and Host both publish information in it. :*/ -struct lguest_data -{ - /* 512 == enabled (same as eflags in normal hardware). The Guest - * changes interrupts so often that a hypercall is too slow. */ + * this is, the Guest and Host both publish information in it. +:*/ +struct lguest_data { + /* + * 512 == enabled (same as eflags in normal hardware). The Guest + * changes interrupts so often that a hypercall is too slow. + */ unsigned int irq_enabled; /* Fine-grained interrupt disabling by the Guest */ DECLARE_BITMAP(blocked_interrupts, LGUEST_IRQS); - /* The Host writes the virtual address of the last page fault here, + /* + * The Host writes the virtual address of the last page fault here, * which saves the Guest a hypercall. CR2 is the native register where - * this address would normally be found. */ + * this address would normally be found. + */ unsigned long cr2; /* Wallclock time set by the Host. */ struct timespec time; - /* Interrupt pending set by the Host. The Guest should do a hypercall - * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). */ + /* + * Interrupt pending set by the Host. The Guest should do a hypercall + * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). + */ int irq_pending; - /* Async hypercall ring. Instead of directly making hypercalls, we can + /* + * Async hypercall ring. Instead of directly making hypercalls, we can * place them in here for processing the next time the Host wants. - * This batching can be quite efficient. */ + * This batching can be quite efficient. + */ /* 0xFF == done (set by Host), 0 == pending (set by Guest). */ u8 hcall_status[LHCALL_RING_SIZE]; diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h index bfefbdf7498a..495203ff221c 100644 --- a/include/linux/lguest_launcher.h +++ b/include/linux/lguest_launcher.h @@ -29,8 +29,10 @@ struct lguest_device_desc { __u8 type; /* The number of virtqueues (first in config array) */ __u8 num_vq; - /* The number of bytes of feature bits. Multiply by 2: one for host - * features and one for Guest acknowledgements. */ + /* + * The number of bytes of feature bits. Multiply by 2: one for host + * features and one for Guest acknowledgements. + */ __u8 feature_len; /* The number of bytes of the config array after virtqueues. */ __u8 config_len; @@ -39,8 +41,10 @@ struct lguest_device_desc { __u8 config[0]; }; -/*D:135 This is how we expect the device configuration field for a virtqueue - * to be laid out in config space. */ +/*D:135 + * This is how we expect the device configuration field for a virtqueue + * to be laid out in config space. + */ struct lguest_vqconfig { /* The number of entries in the virtio_ring */ __u16 num; @@ -61,7 +65,9 @@ enum lguest_req LHREQ_EVENTFD, /* + address, fd. */ }; -/* The alignment to use between consumer and producer parts of vring. - * x86 pagesize for historical reasons. */ +/* + * The alignment to use between consumer and producer parts of vring. + * x86 pagesize for historical reasons. + */ #define LGUEST_VRING_ALIGN 4096 #endif /* _LINUX_LGUEST_LAUNCHER */ diff --git a/include/linux/libata.h b/include/linux/libata.h index 3d501db36a26..e5b6e33c6571 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -385,6 +385,7 @@ enum { not multiple of 16 bytes */ ATA_HORKAGE_FIRMWARE_WARN = (1 << 12), /* firmware update warning */ ATA_HORKAGE_1_5_GBPS = (1 << 13), /* force 1.5 Gbps */ + ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -588,6 +589,7 @@ struct ata_device { #endif /* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */ u64 n_sectors; /* size of device, if ATA */ + u64 n_native_sectors; /* native size, if ATA */ unsigned int class; /* ATA_DEV_xxx */ unsigned long unpark_deadline; diff --git a/include/linux/linkage.h b/include/linux/linkage.h index fee9e59649c1..691f59171c6c 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -22,6 +22,15 @@ #define __page_aligned_bss __section(.bss.page_aligned) __aligned(PAGE_SIZE) /* + * For assembly routines. + * + * Note when using these that you must specify the appropriate + * alignment directives yourself + */ +#define __PAGE_ALIGNED_DATA .section ".data.page_aligned", "aw" +#define __PAGE_ALIGNED_BSS .section ".bss.page_aligned", "aw" + +/* * This is used by architectures to keep arguments on the stack * untouched by the compiler by keeping them live until the end. * The argument stack may be owned by the assembly-language diff --git a/include/linux/mm.h b/include/linux/mm.h index d006e93d5c93..ba3a7cb1eaa0 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -826,7 +826,7 @@ extern int make_pages_present(unsigned long addr, unsigned long end); extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write); int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, int len, int write, int force, + unsigned long start, int nr_pages, int write, int force, struct page **pages, struct vm_area_struct **vmas); int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages); diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index 3beb2592b03f..d74785c2393a 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -2,10 +2,9 @@ #define _NAMESPACE_H_ #ifdef __KERNEL__ -#include <linux/mount.h> -#include <linux/sched.h> -#include <linux/nsproxy.h> +#include <linux/path.h> #include <linux/seq_file.h> +#include <linux/wait.h> struct mnt_namespace { atomic_t count; @@ -28,14 +27,6 @@ extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt); extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *, struct fs_struct *); extern void put_mnt_ns(struct mnt_namespace *ns); - -static inline void exit_mnt_ns(struct task_struct *p) -{ - struct mnt_namespace *ns = p->nsproxy->mnt_ns; - if (ns) - put_mnt_ns(ns); -} - static inline void get_mnt_ns(struct mnt_namespace *ns) { atomic_inc(&ns->count); diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 5675b63a0631..0f32a9b6ff55 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -251,7 +251,7 @@ struct mtd_info { static inline struct mtd_info *dev_to_mtd(struct device *dev) { - return dev ? container_of(dev, struct mtd_info, dev) : NULL; + return dev ? dev_get_drvdata(dev) : NULL; } static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd) diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index af6dcb992bc3..b70313d33ff8 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -47,6 +47,8 @@ struct mtd_partition { #define MTDPART_SIZ_FULL (0) +struct mtd_info; + int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int); int del_mtd_partitions(struct mtd_info *); diff --git a/include/linux/netfilter/xt_conntrack.h b/include/linux/netfilter/xt_conntrack.h index 3430c7751948..7ae05338e94c 100644 --- a/include/linux/netfilter/xt_conntrack.h +++ b/include/linux/netfilter/xt_conntrack.h @@ -81,4 +81,17 @@ struct xt_conntrack_mtinfo1 { __u8 state_mask, status_mask; }; +struct xt_conntrack_mtinfo2 { + union nf_inet_addr origsrc_addr, origsrc_mask; + union nf_inet_addr origdst_addr, origdst_mask; + union nf_inet_addr replsrc_addr, replsrc_mask; + union nf_inet_addr repldst_addr, repldst_mask; + __u32 expires_min, expires_max; + __u16 l4proto; + __be16 origsrc_port, origdst_port; + __be16 replsrc_port, repldst_port; + __u16 match_flags, invert_flags; + __u16 state_mask, status_mask; +}; + #endif /*_XT_CONNTRACK_H*/ diff --git a/include/linux/netfilter/xt_osf.h b/include/linux/netfilter/xt_osf.h index fd2272e0959a..18afa495f973 100644 --- a/include/linux/netfilter/xt_osf.h +++ b/include/linux/netfilter/xt_osf.h @@ -20,6 +20,8 @@ #ifndef _XT_OSF_H #define _XT_OSF_H +#include <linux/types.h> + #define MAXGENRELEN 32 #define XT_OSF_GENRE (1<<0) diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 829b94b156f2..b359c4a9ec9e 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -82,6 +82,12 @@ * to generate slightly worse code. So use a simple one-line #define * for node_isset(), instead of wrapping an inline inside a macro, the * way we do the other calls. + * + * NODEMASK_SCRATCH + * When doing above logical AND, OR, XOR, Remap operations the callers tend to + * need temporary nodemask_t's on the stack. But if NODES_SHIFT is large, + * nodemask_t's consume too much stack space. NODEMASK_SCRATCH is a helper + * for such situations. See below and CPUMASK_ALLOC also. */ #include <linux/kernel.h> @@ -473,4 +479,26 @@ static inline int num_node_state(enum node_states state) #define for_each_node(node) for_each_node_state(node, N_POSSIBLE) #define for_each_online_node(node) for_each_node_state(node, N_ONLINE) +/* + * For nodemask scrach area.(See CPUMASK_ALLOC() in cpumask.h) + */ + +#if NODES_SHIFT > 8 /* nodemask_t > 64 bytes */ +#define NODEMASK_ALLOC(x, m) struct x *m = kmalloc(sizeof(*m), GFP_KERNEL) +#define NODEMASK_FREE(m) kfree(m) +#else +#define NODEMASK_ALLOC(x, m) struct x _m, *m = &_m +#define NODEMASK_FREE(m) +#endif + +/* A example struture for using NODEMASK_ALLOC, used in mempolicy. */ +struct nodemask_scratch { + nodemask_t mask1; + nodemask_t mask2; +}; + +#define NODEMASK_SCRATCH(x) NODEMASK_ALLOC(nodemask_scratch, x) +#define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x) + + #endif /* __LINUX_NODEMASK_H */ diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index c9663c690303..53b94e025c7c 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -18,5 +18,8 @@ extern struct phy_device *of_phy_connect(struct net_device *dev, struct device_node *phy_np, void (*hndlr)(struct net_device *), u32 flags, phy_interface_t iface); +extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, + void (*hndlr)(struct net_device *), + phy_interface_t iface); #endif /* __LINUX_OF_MDIO_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index d304ddf412d0..115fb7ba5089 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1145,7 +1145,7 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data) /* If you want to know what to call your pci_dev, ask this function. * Again, it's a wrapper around the generic device. */ -static inline const char *pci_name(struct pci_dev *pdev) +static inline const char *pci_name(const struct pci_dev *pdev) { return dev_name(&pdev->dev); } diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index bbeb13ceb8e8..d94d181e8a91 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2655,6 +2655,7 @@ #define PCI_DEVICE_ID_NETMOS_9835 0x9835 #define PCI_DEVICE_ID_NETMOS_9845 0x9845 #define PCI_DEVICE_ID_NETMOS_9855 0x9855 +#define PCI_DEVICE_ID_NETMOS_9901 0x9901 #define PCI_VENDOR_ID_3COM_2 0xa727 diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index 8f921d74f49f..68438e18fff4 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -24,7 +24,8 @@ #define DEFINE_PER_CPU_SECTION(type, name, section) \ __attribute__((__section__(PER_CPU_BASE_SECTION section))) \ - PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name + PER_CPU_ATTRIBUTES PER_CPU_DEF_ATTRIBUTES \ + __typeof__(type) per_cpu__##name /* * Variant on the per-CPU variable declaration/definition theme used for diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 89698d8aba5c..e604e6ef72dd 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -120,8 +120,9 @@ enum perf_counter_sample_format { PERF_SAMPLE_ID = 1U << 6, PERF_SAMPLE_CPU = 1U << 7, PERF_SAMPLE_PERIOD = 1U << 8, + PERF_SAMPLE_STREAM_ID = 1U << 9, - PERF_SAMPLE_MAX = 1U << 9, /* non-ABI */ + PERF_SAMPLE_MAX = 1U << 10, /* non-ABI */ }; /* @@ -178,8 +179,11 @@ struct perf_counter_attr { mmap : 1, /* include mmap data */ comm : 1, /* include comm data */ freq : 1, /* use freq, not period */ + inherit_stat : 1, /* per task counts */ + enable_on_exec : 1, /* next exec enables */ + task : 1, /* trace fork/exit */ - __reserved_1 : 53; + __reserved_1 : 50; __u32 wakeup_events; /* wakeup every n events */ __u32 __reserved_2; @@ -232,6 +236,14 @@ struct perf_counter_mmap_page { __u32 lock; /* seqlock for synchronization */ __u32 index; /* hardware counter identifier */ __s64 offset; /* add to hardware counter value */ + __u64 time_enabled; /* time counter active */ + __u64 time_running; /* time counter on cpu */ + + /* + * Hole for extension of the self monitor capabilities + */ + + __u64 __reserved[123]; /* align to 1k */ /* * Control data for the mmap() data buffer. @@ -253,7 +265,6 @@ struct perf_counter_mmap_page { #define PERF_EVENT_MISC_KERNEL (1 << 0) #define PERF_EVENT_MISC_USER (2 << 0) #define PERF_EVENT_MISC_HYPERVISOR (3 << 0) -#define PERF_EVENT_MISC_OVERFLOW (1 << 2) struct perf_event_header { __u32 type; @@ -301,18 +312,18 @@ enum perf_event_type { /* * struct { * struct perf_event_header header; - * u64 time; - * u64 id; - * u64 sample_period; + * u32 pid, ppid; + * u32 tid, ptid; * }; */ - PERF_EVENT_PERIOD = 4, + PERF_EVENT_EXIT = 4, /* * struct { * struct perf_event_header header; * u64 time; * u64 id; + * u64 stream_id; * }; */ PERF_EVENT_THROTTLE = 5, @@ -322,14 +333,24 @@ enum perf_event_type { * struct { * struct perf_event_header header; * u32 pid, ppid; + * u32 tid, ptid; * }; */ PERF_EVENT_FORK = 7, /* - * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field - * will be PERF_SAMPLE_* - * + * struct { + * struct perf_event_header header; + * u32 pid, tid; + * u64 value; + * { u64 time_enabled; } && PERF_FORMAT_ENABLED + * { u64 time_running; } && PERF_FORMAT_RUNNING + * { u64 parent_id; } && PERF_FORMAT_ID + * }; + */ + PERF_EVENT_READ = 8, + + /* * struct { * struct perf_event_header header; * @@ -337,8 +358,10 @@ enum perf_event_type { * { u32 pid, tid; } && PERF_SAMPLE_TID * { u64 time; } && PERF_SAMPLE_TIME * { u64 addr; } && PERF_SAMPLE_ADDR - * { u64 config; } && PERF_SAMPLE_CONFIG + * { u64 id; } && PERF_SAMPLE_ID + * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID * { u32 cpu, res; } && PERF_SAMPLE_CPU + * { u64 period; } && PERF_SAMPLE_PERIOD * * { u64 nr; * { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP @@ -347,6 +370,9 @@ enum perf_event_type { * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN * }; */ + PERF_EVENT_SAMPLE = 9, + + PERF_EVENT_MAX, /* non-ABI */ }; enum perf_callchain_context { @@ -582,6 +608,7 @@ struct perf_counter_context { int nr_counters; int nr_active; int is_active; + int nr_stat; atomic_t refcount; struct task_struct *task; @@ -669,7 +696,16 @@ static inline int is_software_counter(struct perf_counter *counter) (counter->attr.type != PERF_TYPE_HW_CACHE); } -extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64); +extern atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX]; + +extern void __perf_swcounter_event(u32, u64, int, struct pt_regs *, u64); + +static inline void +perf_swcounter_event(u32 event, u64 nr, int nmi, struct pt_regs *regs, u64 addr) +{ + if (atomic_read(&perf_swcounter_enabled[event])) + __perf_swcounter_event(event, nr, nmi, regs, addr); +} extern void __perf_counter_mmap(struct vm_area_struct *vma); diff --git a/include/linux/personality.h b/include/linux/personality.h index a84e9ff9b27e..126120819a0d 100644 --- a/include/linux/personality.h +++ b/include/linux/personality.h @@ -40,7 +40,10 @@ enum { * Security-relevant compatibility flags that must be * cleared upon setuid or setgid exec: */ -#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE) +#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ + ADDR_NO_RANDOMIZE | \ + ADDR_COMPAT_LAYOUT | \ + MMAP_PAGE_ZERO) /* * Personality types. diff --git a/include/linux/pps.h b/include/linux/pps.h index cfe5c7214ec6..0194ab06177b 100644 --- a/include/linux/pps.h +++ b/include/linux/pps.h @@ -22,6 +22,8 @@ #ifndef _PPS_H_ #define _PPS_H_ +#include <linux/types.h> + #define PPS_VERSION "5.3.6" #define PPS_MAX_SOURCES 16 /* should be enough... */ diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 7bc457593684..26361c4c037a 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -7,7 +7,6 @@ #ifndef _LINUX_QUOTAOPS_ #define _LINUX_QUOTAOPS_ -#include <linux/smp_lock.h> #include <linux/fs.h> static inline struct quota_info *sb_dqopt(struct super_block *sb) diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h index e73e2429a1b1..278777fa8a3a 100644 --- a/include/linux/rfkill.h +++ b/include/linux/rfkill.h @@ -99,7 +99,6 @@ enum rfkill_user_states { #undef RFKILL_STATE_UNBLOCKED #undef RFKILL_STATE_HARD_BLOCKED -#include <linux/types.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/mutex.h> @@ -225,7 +224,7 @@ void rfkill_destroy(struct rfkill *rfkill); * should be blocked) so that drivers need not keep track of the soft * block state -- which they might not be able to. */ -bool __must_check rfkill_set_hw_state(struct rfkill *rfkill, bool blocked); +bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked); /** * rfkill_set_sw_state - Set the internal rfkill software block state diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index e5996984ddd0..9aaf5bfdad1a 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -242,6 +242,8 @@ size_t sg_copy_to_buffer(struct scatterlist *sgl, unsigned int nents, */ #define SG_MITER_ATOMIC (1 << 0) /* use kmap_atomic */ +#define SG_MITER_TO_SG (1 << 1) /* flush back to phys on unmap */ +#define SG_MITER_FROM_SG (1 << 2) /* nop */ struct sg_mapping_iter { /* the following three fields can be accessed directly */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 4d0754269884..3ab08e4bb6b8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -209,7 +209,7 @@ extern unsigned long long time_sync_thresh; ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0) #define task_contributes_to_load(task) \ ((task->state & TASK_UNINTERRUPTIBLE) != 0 && \ - (task->flags & PF_FROZEN) == 0) + (task->flags & PF_FREEZING) == 0) #define __set_task_state(tsk, state_value) \ do { (tsk)->state = (state_value); } while (0) @@ -349,8 +349,20 @@ extern int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner); struct nsproxy; struct user_namespace; -/* Maximum number of active map areas.. This is a random (large) number */ -#define DEFAULT_MAX_MAP_COUNT 65536 +/* + * Default maximum number of active map areas, this limits the number of vmas + * per mm struct. Users can overwrite this number by sysctl but there is a + * problem. + * + * When a program's coredump is generated as ELF format, a section is created + * per a vma. In ELF, the number of sections is represented in unsigned short. + * This means the number of sections should be smaller than 65535 at coredump. + * Because the kernel adds some informative sections to a image of program at + * generating coredump, we need some margin. The number of extra sections is + * 1-3 now and depends on arch. We use "5" as safe margin, here. + */ +#define MAPCOUNT_ELF_CORE_MARGIN (5) +#define DEFAULT_MAX_MAP_COUNT (USHORT_MAX - MAPCOUNT_ELF_CORE_MARGIN) extern int sysctl_max_map_count; @@ -486,6 +498,15 @@ struct task_cputime { .sum_exec_runtime = 0, \ } +/* + * Disable preemption until the scheduler is running. + * Reset by start_kernel()->sched_init()->init_idle(). + * + * We include PREEMPT_ACTIVE to avoid cond_resched() from working + * before the scheduler is active -- see should_resched(). + */ +#define INIT_PREEMPT_COUNT (1 + PREEMPT_ACTIVE) + /** * struct thread_group_cputimer - thread group interval timer counts * @cputime: thread group interval timers. @@ -1659,6 +1680,7 @@ extern cputime_t task_gtime(struct task_struct *p); #define PF_MEMALLOC 0x00000800 /* Allocating memory */ #define PF_FLUSHER 0x00001000 /* responsible for disk writeback */ #define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */ +#define PF_FREEZING 0x00004000 /* freeze in progress. do not account to load */ #define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */ #define PF_FROZEN 0x00010000 /* frozen for system suspend */ #define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b47b3f039d14..f2c69a2cca17 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1342,12 +1342,12 @@ static inline int skb_network_offset(const struct sk_buff *skb) * shifting the start of the packet by 2 bytes. Drivers should do this * with: * - * skb_reserve(NET_IP_ALIGN); + * skb_reserve(skb, NET_IP_ALIGN); * * The downside to this alignment of the IP header is that the DMA is now * unaligned. On some architectures the cost of an unaligned DMA is high * and this cost outweighs the gains made by aligning the IP header. - * + * * Since this trade off varies between architectures, we allow NET_IP_ALIGN * to be overridden. */ diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 4dcbc2c71491..c1c862b1d01a 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -11,6 +11,7 @@ #include <linux/workqueue.h> #include <linux/kobject.h> #include <linux/kmemtrace.h> +#include <linux/kmemleak.h> enum stat_item { ALLOC_FASTPATH, /* Allocation from cpu slab */ @@ -233,6 +234,7 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags) unsigned int order = get_order(size); void *ret = (void *) __get_free_pages(flags | __GFP_COMP, order); + kmemleak_alloc(ret, size, 1, flags); trace_kmalloc(_THIS_IP_, ret, size, PAGE_SIZE << order, flags); return ret; diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 9c4cd27f4685..c47c4b4da97e 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -80,6 +80,8 @@ struct spi_device { #define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */ #define SPI_3WIRE 0x10 /* SI/SO signals shared */ #define SPI_LOOP 0x20 /* loopback mode */ +#define SPI_NO_CS 0x40 /* 1 dev/bus, no chipselect */ +#define SPI_READY 0x80 /* slave pulls low to pause */ u8 bits_per_word; int irq; void *controller_state; @@ -248,6 +250,10 @@ struct spi_master { /* spi_device.mode flags understood by this controller driver */ u16 mode_bits; + /* other constraints relevant to this driver */ + u16 flags; +#define SPI_MASTER_HALF_DUPLEX BIT(0) /* can't do full duplex */ + /* Setup mode and clock, etc (spi driver may call many times). * * IMPORTANT: this may be called when transfers to another diff --git a/include/linux/spi/spidev.h b/include/linux/spi/spidev.h index 95251ccd5a07..bf0570a84f7a 100644 --- a/include/linux/spi/spidev.h +++ b/include/linux/spi/spidev.h @@ -40,6 +40,8 @@ #define SPI_LSB_FIRST 0x08 #define SPI_3WIRE 0x10 #define SPI_LOOP 0x20 +#define SPI_NO_CS 0x40 +#define SPI_READY 0x80 /*---------------------------------------------------------------------------*/ diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 252b245cfcf4..4be57ab03478 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -132,6 +132,11 @@ do { \ #endif /*__raw_spin_is_contended*/ #endif +/* The lock does not imply full memory barrier. */ +#ifndef ARCH_HAS_SMP_MB_AFTER_LOCK +static inline void smp_mb__after_lock(void) { smp_mb(); } +#endif + /** * spin_unlock_wait - wait until the spinlock gets unlocked * @lock: the spinlock in question. diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index d8910b68e1bd..b99c625fddfe 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -12,7 +12,6 @@ #include <linux/uio.h> #include <asm/byteorder.h> #include <linux/scatterlist.h> -#include <linux/smp_lock.h> /* * Buffer adjustment diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index fa4242cdade8..80de7003d8c2 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -321,6 +321,8 @@ asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese, siginfo_t __user *uinfo, const struct timespec __user *uts, size_t sigsetsize); +asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, + siginfo_t __user *uinfo); asmlinkage long sys_kill(int pid, int sig); asmlinkage long sys_tgkill(int tgid, int pid, int sig); asmlinkage long sys_tkill(int pid, int sig); diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 98a1d8cfb73d..99adcdc0d3ca 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -14,6 +14,8 @@ #ifndef _LINUX_SYSRQ_H #define _LINUX_SYSRQ_H +#include <linux/errno.h> + struct pt_regs; struct tty_struct; diff --git a/include/linux/timer.h b/include/linux/timer.h index ccf882eed8f8..be62ec2ebea5 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -190,6 +190,8 @@ extern unsigned long get_next_timer_interrupt(unsigned long now); */ #ifdef CONFIG_TIMER_STATS +extern int timer_stats_active; + #define TIMER_STATS_FLAG_DEFERRABLE 0x1 extern void init_timer_stats(void); @@ -203,6 +205,8 @@ extern void __timer_stats_timer_set_start_info(struct timer_list *timer, static inline void timer_stats_timer_set_start_info(struct timer_list *timer) { + if (likely(!timer_stats_active)) + return; __timer_stats_timer_set_start_info(timer, __builtin_return_address(0)); } diff --git a/include/linux/tty.h b/include/linux/tty.h index 1488d8c81aac..e8c6c9136c97 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -394,6 +394,7 @@ extern void __do_SAK(struct tty_struct *tty); extern void disassociate_ctty(int priv); extern void no_tty(void); extern void tty_flip_buffer_push(struct tty_struct *tty); +extern void tty_flush_to_ldisc(struct tty_struct *tty); extern void tty_buffer_free_all(struct tty_struct *tty); extern void tty_buffer_flush(struct tty_struct *tty); extern void tty_buffer_init(struct tty_struct *tty); diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 40f38d896777..0c4ee9b88f85 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -144,7 +144,7 @@ struct tty_ldisc_ops { struct tty_ldisc { struct tty_ldisc_ops *ops; - int refcount; + atomic_t users; }; #define TTY_LDISC_MAGIC 0x5403 diff --git a/include/linux/uio.h b/include/linux/uio.h index b7fe13883bdb..98c114323a8b 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -19,15 +19,6 @@ struct iovec __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ }; -#ifdef __KERNEL__ - -struct kvec { - void *iov_base; /* and that should *never* hold a userland pointer */ - size_t iov_len; -}; - -#endif - /* * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) */ @@ -35,6 +26,13 @@ struct kvec { #define UIO_FASTIOV 8 #define UIO_MAXIOV 1024 +#ifdef __KERNEL__ + +struct kvec { + void *iov_base; /* and that should *never* hold a userland pointer */ + size_t iov_len; +}; + /* * Total number of bytes covered by an iovec. * @@ -53,5 +51,6 @@ static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs) } unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to); +#endif #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index 84929e914034..b1e3c2fbfe11 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -888,8 +888,6 @@ struct usb_driver { * struct usb_device_driver - identifies USB device driver to usbcore * @name: The driver name should be unique among USB drivers, * and should normally be the same as the module name. - * @nodename: Callback to provide a naming hint for a possible - * device node to create. * @probe: Called to see if the driver is willing to manage a particular * device. If it is, probe returns zero and uses dev_set_drvdata() * to associate driver-specific data with the device. If unwilling @@ -924,6 +922,8 @@ extern struct bus_type usb_bus_type; /** * struct usb_class_driver - identifies a USB driver that wants to use the USB major number * @name: the usb class device name for this driver. Will show up in sysfs. + * @nodename: Callback to provide a naming hint for a possible + * device node to create. * @fops: pointer to the struct file_operations of this driver. * @minor_base: the start of the minor range for this driver. * @@ -1046,6 +1046,8 @@ typedef void (*usb_complete_t)(struct urb *); * the device driver is saying that it provided this DMA address, * which the host controller driver should use in preference to the * transfer_buffer. + * @sg: scatter gather buffer list + * @num_sgs: number of entries in the sg list * @transfer_buffer_length: How big is transfer_buffer. The transfer may * be broken up into chunks according to the current maximum packet * size for the endpoint, which is a function of the configuration diff --git a/include/linux/usb/langwell_otg.h b/include/linux/usb/langwell_otg.h deleted file mode 100644 index e115ae6df1da..000000000000 --- a/include/linux/usb/langwell_otg.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Intel Langwell USB OTG transceiver driver - * Copyright (C) 2008, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef __LANGWELL_OTG_H__ -#define __LANGWELL_OTG_H__ - -/* notify transceiver driver about OTG events */ -extern void langwell_update_transceiver(void); -/* HCD register bus driver */ -extern int langwell_register_host(struct pci_driver *host_driver); -/* HCD unregister bus driver */ -extern void langwell_unregister_host(struct pci_driver *host_driver); -/* DCD register bus driver */ -extern int langwell_register_peripheral(struct pci_driver *client_driver); -/* DCD unregister bus driver */ -extern void langwell_unregister_peripheral(struct pci_driver *client_driver); -/* No silent failure, output warning message */ -extern void langwell_otg_nsf_msg(unsigned long message); - -#define CI_USBCMD 0x30 -# define USBCMD_RST BIT(1) -# define USBCMD_RS BIT(0) -#define CI_USBSTS 0x34 -# define USBSTS_SLI BIT(8) -# define USBSTS_URI BIT(6) -# define USBSTS_PCI BIT(2) -#define CI_PORTSC1 0x74 -# define PORTSC_PP BIT(12) -# define PORTSC_LS (BIT(11) | BIT(10)) -# define PORTSC_SUSP BIT(7) -# define PORTSC_CCS BIT(0) -#define CI_HOSTPC1 0xb4 -# define HOSTPC1_PHCD BIT(22) -#define CI_OTGSC 0xf4 -# define OTGSC_DPIE BIT(30) -# define OTGSC_1MSE BIT(29) -# define OTGSC_BSEIE BIT(28) -# define OTGSC_BSVIE BIT(27) -# define OTGSC_ASVIE BIT(26) -# define OTGSC_AVVIE BIT(25) -# define OTGSC_IDIE BIT(24) -# define OTGSC_DPIS BIT(22) -# define OTGSC_1MSS BIT(21) -# define OTGSC_BSEIS BIT(20) -# define OTGSC_BSVIS BIT(19) -# define OTGSC_ASVIS BIT(18) -# define OTGSC_AVVIS BIT(17) -# define OTGSC_IDIS BIT(16) -# define OTGSC_DPS BIT(14) -# define OTGSC_1MST BIT(13) -# define OTGSC_BSE BIT(12) -# define OTGSC_BSV BIT(11) -# define OTGSC_ASV BIT(10) -# define OTGSC_AVV BIT(9) -# define OTGSC_ID BIT(8) -# define OTGSC_HABA BIT(7) -# define OTGSC_HADP BIT(6) -# define OTGSC_IDPU BIT(5) -# define OTGSC_DP BIT(4) -# define OTGSC_OT BIT(3) -# define OTGSC_HAAR BIT(2) -# define OTGSC_VC BIT(1) -# define OTGSC_VD BIT(0) -# define OTGSC_INTEN_MASK (0x7f << 24) -# define OTGSC_INTSTS_MASK (0x7f << 16) -#define CI_USBMODE 0xf8 -# define USBMODE_CM (BIT(1) | BIT(0)) -# define USBMODE_IDLE 0 -# define USBMODE_DEVICE 0x2 -# define USBMODE_HOST 0x3 - -#define INTR_DUMMY_MASK (USBSTS_SLI | USBSTS_URI | USBSTS_PCI) - -struct otg_hsm { - /* Input */ - int a_bus_resume; - int a_bus_suspend; - int a_conn; - int a_sess_vld; - int a_srp_det; - int a_vbus_vld; - int b_bus_resume; - int b_bus_suspend; - int b_conn; - int b_se0_srp; - int b_sess_end; - int b_sess_vld; - int id; - - /* Internal variables */ - int a_set_b_hnp_en; - int b_srp_done; - int b_hnp_enable; - - /* Timeout indicator for timers */ - int a_wait_vrise_tmout; - int a_wait_bcon_tmout; - int a_aidl_bdis_tmout; - int b_ase0_brst_tmout; - int b_bus_suspend_tmout; - int b_srp_res_tmout; - - /* Informative variables */ - int a_bus_drop; - int a_bus_req; - int a_clr_err; - int a_suspend_req; - int b_bus_req; - - /* Output */ - int drv_vbus; - int loc_conn; - int loc_sof; - - /* Others */ - int b_bus_suspend_vld; -}; - -#define TA_WAIT_VRISE 100 -#define TA_WAIT_BCON 30000 -#define TA_AIDL_BDIS 15000 -#define TB_ASE0_BRST 5000 -#define TB_SE0_SRP 2 -#define TB_SRP_RES 100 -#define TB_BUS_SUSPEND 500 - -struct langwell_otg_timer { - unsigned long expires; /* Number of count increase to timeout */ - unsigned long count; /* Tick counter */ - void (*function)(unsigned long); /* Timeout function */ - unsigned long data; /* Data passed to function */ - struct list_head list; -}; - -struct langwell_otg { - struct otg_transceiver otg; - struct otg_hsm hsm; - void __iomem *regs; - unsigned region; - struct pci_driver *host_ops; - struct pci_driver *client_ops; - struct pci_dev *pdev; - struct work_struct work; - struct workqueue_struct *qwork; - spinlock_t lock; - spinlock_t wq_lock; -}; - -static inline struct langwell_otg *otg_to_langwell(struct otg_transceiver *otg) -{ - return container_of(otg, struct langwell_otg, otg); -} - -#ifdef DEBUG -#define otg_dbg(fmt, args...) \ - printk(KERN_DEBUG fmt , ## args) -#else -#define otg_dbg(fmt, args...) \ - do { } while (0) -#endif /* DEBUG */ -#endif /* __LANGWELL_OTG_H__ */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 44801d26a37a..0ec50ba62139 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -317,7 +317,8 @@ extern int usb_serial_generic_register(int debug); extern void usb_serial_generic_deregister(void); extern void usb_serial_generic_resubmit_read_urb(struct usb_serial_port *port, gfp_t mem_flags); -extern int usb_serial_handle_sysrq_char(struct usb_serial_port *port, +extern int usb_serial_handle_sysrq_char(struct tty_struct *tty, + struct usb_serial_port *port, unsigned int ch); extern int usb_serial_handle_break(struct usb_serial_port *port); diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 5d44059f6d63..310e18a880ff 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -42,7 +42,6 @@ struct usbnet { /* protocol/interface state */ struct net_device *net; - struct net_device_stats stats; int msg_enable; unsigned long data [5]; u32 xid; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 8a025d510904..74f16876f38d 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -318,6 +318,8 @@ struct v4l2_pix_format { /* see http://www.siliconimaging.com/RGB%20Bayer.htm */ #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ +#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ + /* * 10bit raw bayer, expanded to 16 bits * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... @@ -336,6 +338,7 @@ struct v4l2_pix_format { /* Vendor-specific formats */ #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ +#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h index be7d255fc7cf..8dab9f2b8832 100644 --- a/include/linux/virtio_blk.h +++ b/include/linux/virtio_blk.h @@ -20,8 +20,7 @@ #define VIRTIO_BLK_ID_BYTES (sizeof(__u16[256])) /* IDENTIFY DATA */ -struct virtio_blk_config -{ +struct virtio_blk_config { /* The capacity (in 512-byte sectors). */ __u64 capacity; /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */ @@ -50,8 +49,7 @@ struct virtio_blk_config #define VIRTIO_BLK_T_BARRIER 0x80000000 /* This is the first element of the read scatter-gather list. */ -struct virtio_blk_outhdr -{ +struct virtio_blk_outhdr { /* VIRTIO_BLK_T* */ __u32 type; /* io priority. */ diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 99f514575f6a..e547e3c8ee9a 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -79,8 +79,7 @@ * the dev->feature bits if it wants. */ typedef void vq_callback_t(struct virtqueue *); -struct virtio_config_ops -{ +struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len); void (*set)(struct virtio_device *vdev, unsigned offset, diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index cec79adbe3ea..d8dd539c9f48 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -27,11 +27,11 @@ #define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */ #define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */ #define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */ +#define VIRTIO_NET_F_CTRL_RX_EXTRA 20 /* Extra RX mode control support */ #define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ -struct virtio_net_config -{ +struct virtio_net_config { /* The config defining mac address (if VIRTIO_NET_F_MAC) */ __u8 mac[6]; /* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */ @@ -40,8 +40,7 @@ struct virtio_net_config /* This is the first element of the scatter-gather list. If you don't * specify GSO or CSUM features, you can simply ignore the header. */ -struct virtio_net_hdr -{ +struct virtio_net_hdr { #define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset __u8 flags; #define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame @@ -81,14 +80,19 @@ typedef __u8 virtio_net_ctrl_ack; #define VIRTIO_NET_ERR 1 /* - * Control the RX mode, ie. promisucous and allmulti. PROMISC and - * ALLMULTI commands require an "out" sg entry containing a 1 byte - * state value, zero = disable, non-zero = enable. These commands - * are supported with the VIRTIO_NET_F_CTRL_RX feature. + * Control the RX mode, ie. promisucous, allmulti, etc... + * All commands require an "out" sg entry containing a 1 byte + * state value, zero = disable, non-zero = enable. Commands + * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature. + * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA. */ #define VIRTIO_NET_CTRL_RX 0 #define VIRTIO_NET_CTRL_RX_PROMISC 0 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 + #define VIRTIO_NET_CTRL_RX_ALLUNI 2 + #define VIRTIO_NET_CTRL_RX_NOMULTI 3 + #define VIRTIO_NET_CTRL_RX_NOUNI 4 + #define VIRTIO_NET_CTRL_RX_NOBCAST 5 /* * Control the MAC filter table. diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 693e0ec5afa6..e4d144b132b5 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -30,8 +30,7 @@ #define VIRTIO_RING_F_INDIRECT_DESC 28 /* Virtio ring descriptors: 16 bytes. These can chain together via "next". */ -struct vring_desc -{ +struct vring_desc { /* Address (guest-physical). */ __u64 addr; /* Length. */ @@ -42,24 +41,21 @@ struct vring_desc __u16 next; }; -struct vring_avail -{ +struct vring_avail { __u16 flags; __u16 idx; __u16 ring[]; }; /* u32 is used here for ids for padding reasons. */ -struct vring_used_elem -{ +struct vring_used_elem { /* Index of start of used descriptor chain. */ __u32 id; /* Total length of the descriptor chain which was used (written to) */ __u32 len; }; -struct vring_used -{ +struct vring_used { __u16 flags; __u16 idx; struct vring_used_elem ring[]; |