diff options
Diffstat (limited to 'include')
40 files changed, 745 insertions, 1132 deletions
diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 29245c6..0ea5ef4 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -224,8 +224,6 @@ struct acpi_processor { struct acpi_processor_throttling throttling; struct acpi_processor_limit limit; struct thermal_cooling_device *cdev; - /* the _PDC objects for this processor, if any */ - struct acpi_object_list *pdc; }; struct acpi_processor_errata { @@ -257,9 +255,6 @@ int acpi_processor_notify_smm(struct module *calling_module); DECLARE_PER_CPU(struct acpi_processor *, processors); extern struct acpi_processor_errata errata; -void arch_acpi_processor_init_pdc(struct acpi_processor *pr); -void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr); - #ifdef ARCH_HAS_POWER_INIT void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags, unsigned int cpu); @@ -325,6 +320,9 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit) #endif /* CONFIG_CPU_FREQ */ +/* in processor_pdc.c */ +void acpi_processor_set_pdc(acpi_handle handle); + /* in processor_throttling.c */ int acpi_processor_tstate_has_changed(struct acpi_processor *pr); int acpi_processor_get_throttling_info(struct acpi_processor *pr); diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 19ef8eb..ffac157 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -296,6 +296,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, #define DRM_MASTER 0x2 #define DRM_ROOT_ONLY 0x4 #define DRM_CONTROL_ALLOW 0x8 +#define DRM_UNLOCKED 0x10 struct drm_ioctl_desc { unsigned int cmd; @@ -1128,8 +1129,8 @@ static inline int drm_mtrr_del(int handle, unsigned long offset, /* Driver support (drm_drv.h) */ extern int drm_init(struct drm_driver *driver); extern void drm_exit(struct drm_driver *driver); -extern int drm_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern long drm_ioctl(struct file *filp, + unsigned int cmd, unsigned long arg); extern long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_lastclose(struct drm_device *dev); @@ -1407,7 +1408,7 @@ extern int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info * gart_info); extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, - size_t align, dma_addr_t maxaddr); + size_t align); extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index ec3f5e80..b64a8d7 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -188,6 +188,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_GEM_MADVISE 0x26 #define DRM_I915_OVERLAY_PUT_IMAGE 0x27 #define DRM_I915_OVERLAY_ATTRS 0x28 +#define DRM_I915_GEM_EXECBUFFER2 0x29 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -207,6 +208,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) #define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init) #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) +#define DRM_IOCTL_I915_GEM_EXECBUFFER2 DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2) #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin) #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin) #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) @@ -272,6 +274,7 @@ typedef struct drm_i915_irq_wait { #define I915_PARAM_NUM_FENCES_AVAIL 6 #define I915_PARAM_HAS_OVERLAY 7 #define I915_PARAM_HAS_PAGEFLIPPING 8 +#define I915_PARAM_HAS_EXECBUF2 9 typedef struct drm_i915_getparam { int param; @@ -567,6 +570,57 @@ struct drm_i915_gem_execbuffer { __u64 cliprects_ptr; }; +struct drm_i915_gem_exec_object2 { + /** + * User's handle for a buffer to be bound into the GTT for this + * operation. + */ + __u32 handle; + + /** Number of relocations to be performed on this buffer */ + __u32 relocation_count; + /** + * Pointer to array of struct drm_i915_gem_relocation_entry containing + * the relocations to be performed in this buffer. + */ + __u64 relocs_ptr; + + /** Required alignment in graphics aperture */ + __u64 alignment; + + /** + * Returned value of the updated offset of the object, for future + * presumed_offset writes. + */ + __u64 offset; + +#define EXEC_OBJECT_NEEDS_FENCE (1<<0) + __u64 flags; + __u64 rsvd1; + __u64 rsvd2; +}; + +struct drm_i915_gem_execbuffer2 { + /** + * List of gem_exec_object2 structs + */ + __u64 buffers_ptr; + __u32 buffer_count; + + /** Offset in the batchbuffer to start execution from. */ + __u32 batch_start_offset; + /** Bytes used in batchbuffer from batch_start_offset */ + __u32 batch_len; + __u32 DR1; + __u32 DR4; + __u32 num_cliprects; + /** This is a struct drm_clip_rect *cliprects */ + __u64 cliprects_ptr; + __u64 flags; /* currently unused */ + __u64 rsvd1; + __u64 rsvd2; +}; + struct drm_i915_gem_pin { /** Handle of the buffer to be pinned. */ __u32 handle; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index ce945d4..3692425 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -251,6 +251,7 @@ int acpi_check_mem_region(resource_size_t start, resource_size_t n, void __init acpi_no_s4_hw_signature(void); void __init acpi_old_suspend_ordering(void); void __init acpi_s4_no_nvs(void); +void __init acpi_set_sci_en_on_resume(void); #endif /* CONFIG_PM_SLEEP */ struct acpi_osc_context { diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 784a919..9b98173 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -845,7 +845,6 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) * blk_rq_err_bytes() : bytes left till the next error boundary * blk_rq_sectors() : sectors left in the entire request * blk_rq_cur_sectors() : sectors left in the current segment - * blk_rq_err_sectors() : sectors left till the next error boundary */ static inline sector_t blk_rq_pos(const struct request *rq) { @@ -874,11 +873,6 @@ static inline unsigned int blk_rq_cur_sectors(const struct request *rq) return blk_rq_cur_bytes(rq) >> 9; } -static inline unsigned int blk_rq_err_sectors(const struct request *rq) -{ - return blk_rq_err_bytes(rq) >> 9; -} - /* * Request issue related functions. */ @@ -1116,11 +1110,18 @@ static inline int queue_alignment_offset(struct request_queue *q) return q->limits.alignment_offset; } +static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t offset) +{ + unsigned int granularity = max(lim->physical_block_size, lim->io_min); + + offset &= granularity - 1; + return (granularity + lim->alignment_offset - offset) & (granularity - 1); +} + static inline int queue_sector_alignment_offset(struct request_queue *q, sector_t sector) { - return ((sector << 9) - q->limits.alignment_offset) - & (q->limits.io_min - 1); + return queue_limit_alignment_offset(&q->limits, sector << 9); } static inline int bdev_alignment_offset(struct block_device *bdev) diff --git a/include/linux/device.h b/include/linux/device.h index 2a73d9b..a62799f 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -166,9 +166,9 @@ struct driver_attribute driver_attr_##_name = \ __ATTR(_name, _mode, _show, _store) extern int __must_check driver_create_file(struct device_driver *driver, - struct driver_attribute *attr); + const struct driver_attribute *attr); extern void driver_remove_file(struct device_driver *driver, - struct driver_attribute *attr); + const struct driver_attribute *attr); extern int __must_check driver_add_kobj(struct device_driver *drv, struct kobject *kobj, @@ -319,13 +319,13 @@ struct device_attribute { struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store) extern int __must_check device_create_file(struct device *device, - struct device_attribute *entry); + const struct device_attribute *entry); extern void device_remove_file(struct device *dev, - struct device_attribute *attr); + const struct device_attribute *attr); extern int __must_check device_create_bin_file(struct device *dev, - struct bin_attribute *attr); + const struct bin_attribute *attr); extern void device_remove_bin_file(struct device *dev, - struct bin_attribute *attr); + const struct bin_attribute *attr); extern int device_schedule_callback_owner(struct device *dev, void (*func)(struct device *dev), struct module *owner); diff --git a/include/linux/dst.h b/include/linux/dst.h deleted file mode 100644 index e26fed8..0000000 --- a/include/linux/dst.h +++ /dev/null @@ -1,587 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that 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. - */ - -#ifndef __DST_H -#define __DST_H - -#include <linux/types.h> -#include <linux/connector.h> - -#define DST_NAMELEN 32 -#define DST_NAME "dst" - -enum { - /* Remove node with given id from storage */ - DST_DEL_NODE = 0, - /* Add remote node with given id to the storage */ - DST_ADD_REMOTE, - /* Add local node with given id to the storage to be exported and used by remote peers */ - DST_ADD_EXPORT, - /* Crypto initialization command (hash/cipher used to protect the connection) */ - DST_CRYPTO, - /* Security attributes for given connection (permissions for example) */ - DST_SECURITY, - /* Register given node in the block layer subsystem */ - DST_START, - DST_CMD_MAX -}; - -struct dst_ctl -{ - /* Storage name */ - char name[DST_NAMELEN]; - /* Command flags */ - __u32 flags; - /* Command itself (see above) */ - __u32 cmd; - /* Maximum number of pages per single request in this device */ - __u32 max_pages; - /* Stale/error transaction scanning timeout in milliseconds */ - __u32 trans_scan_timeout; - /* Maximum number of retry sends before completing transaction as broken */ - __u32 trans_max_retries; - /* Storage size */ - __u64 size; -}; - -/* Reply command carries completion status */ -struct dst_ctl_ack -{ - struct cn_msg msg; - int error; - int unused[3]; -}; - -/* - * Unfortunaltely socket address structure is not exported to userspace - * and is redefined there. - */ -#define SADDR_MAX_DATA 128 - -struct saddr { - /* address family, AF_xxx */ - unsigned short sa_family; - /* 14 bytes of protocol address */ - char sa_data[SADDR_MAX_DATA]; - /* Number of bytes used in sa_data */ - unsigned short sa_data_len; -}; - -/* Address structure */ -struct dst_network_ctl -{ - /* Socket type: datagram, stream...*/ - unsigned int type; - /* Let me guess, is it a Jupiter diameter? */ - unsigned int proto; - /* Peer's address */ - struct saddr addr; -}; - -struct dst_crypto_ctl -{ - /* Cipher and hash names */ - char cipher_algo[DST_NAMELEN]; - char hash_algo[DST_NAMELEN]; - - /* Key sizes. Can be zero for digest for example */ - unsigned int cipher_keysize, hash_keysize; - /* Alignment. Calculated by the DST itself. */ - unsigned int crypto_attached_size; - /* Number of threads to perform crypto operations */ - int thread_num; -}; - -/* Export security attributes have this bits checked in when client connects */ -#define DST_PERM_READ (1<<0) -#define DST_PERM_WRITE (1<<1) - -/* - * Right now it is simple model, where each remote address - * is assigned to set of permissions it is allowed to perform. - * In real world block device does not know anything but - * reading and writing, so it should be more than enough. - */ -struct dst_secure_user -{ - unsigned int permissions; - struct saddr addr; -}; - -/* - * Export control command: device to export and network address to accept - * clients to work with given device - */ -struct dst_export_ctl -{ - char device[DST_NAMELEN]; - struct dst_network_ctl ctl; -}; - -enum { - DST_CFG = 1, /* Request remote configuration */ - DST_IO, /* IO command */ - DST_IO_RESPONSE, /* IO response */ - DST_PING, /* Keepalive message */ - DST_NCMD_MAX, -}; - -struct dst_cmd -{ - /* Network command itself, see above */ - __u32 cmd; - /* - * Size of the attached data - * (in most cases, for READ command it means how many bytes were requested) - */ - __u32 size; - /* Crypto size: number of attached bytes with digest/hmac */ - __u32 csize; - /* Here we can carry secret data */ - __u32 reserved; - /* Read/write bits, see how they are encoded in bio structure */ - __u64 rw; - /* BIO flags */ - __u64 flags; - /* Unique command id (like transaction ID) */ - __u64 id; - /* Sector to start IO from */ - __u64 sector; - /* Hash data is placed after this header */ - __u8 hash[0]; -}; - -/* - * Convert command to/from network byte order. - * We do not use hton*() functions, since there is - * no 64-bit implementation. - */ -static inline void dst_convert_cmd(struct dst_cmd *c) -{ - c->cmd = __cpu_to_be32(c->cmd); - c->csize = __cpu_to_be32(c->csize); - c->size = __cpu_to_be32(c->size); - c->sector = __cpu_to_be64(c->sector); - c->id = __cpu_to_be64(c->id); - c->flags = __cpu_to_be64(c->flags); - c->rw = __cpu_to_be64(c->rw); -} - -/* Transaction id */ -typedef __u64 dst_gen_t; - -#ifdef __KERNEL__ - -#include <linux/blkdev.h> -#include <linux/bio.h> -#include <linux/device.h> -#include <linux/mempool.h> -#include <linux/net.h> -#include <linux/poll.h> -#include <linux/rbtree.h> - -#ifdef CONFIG_DST_DEBUG -#define dprintk(f, a...) printk(KERN_NOTICE f, ##a) -#else -static inline void __attribute__ ((format (printf, 1, 2))) - dprintk(const char *fmt, ...) {} -#endif - -struct dst_node; - -struct dst_trans -{ - /* DST node we are working with */ - struct dst_node *n; - - /* Entry inside transaction tree */ - struct rb_node trans_entry; - - /* Merlin kills this transaction when this memory cell equals zero */ - atomic_t refcnt; - - /* How this transaction should be processed by crypto engine */ - short enc; - /* How many times this transaction was resent */ - short retries; - /* Completion status */ - int error; - - /* When did we send it to the remote peer */ - long send_time; - - /* My name is... - * Well, computers does not speak, they have unique id instead */ - dst_gen_t gen; - - /* Block IO we are working with */ - struct bio *bio; - - /* Network command for above block IO request */ - struct dst_cmd cmd; -}; - -struct dst_crypto_engine -{ - /* What should we do with all block requests */ - struct crypto_hash *hash; - struct crypto_ablkcipher *cipher; - - /* Pool of pages used to encrypt data into before sending */ - int page_num; - struct page **pages; - - /* What to do with current request */ - int enc; - /* Who we are and where do we go */ - struct scatterlist *src, *dst; - - /* Maximum timeout waiting for encryption to be completed */ - long timeout; - /* IV is a 64-bit sequential counter */ - u64 iv; - - /* Secret data */ - void *private; - - /* Cached temporary data lives here */ - int size; - void *data; -}; - -struct dst_state -{ - /* The main state protection */ - struct mutex state_lock; - - /* Polling machinery for sockets */ - wait_queue_t wait; - wait_queue_head_t *whead; - /* Most of events are being waited here */ - wait_queue_head_t thread_wait; - - /* Who owns this? */ - struct dst_node *node; - - /* Network address for this state */ - struct dst_network_ctl ctl; - - /* Permissions to work with: read-only or rw connection */ - u32 permissions; - - /* Called when we need to clean private data */ - void (* cleanup)(struct dst_state *st); - - /* Used by the server: BIO completion queues BIOs here */ - struct list_head request_list; - spinlock_t request_lock; - - /* Guess what? No, it is not number of planets */ - atomic_t refcnt; - - /* This flags is set when connection should be dropped */ - int need_exit; - - /* - * Socket to work with. Second pointer is used for - * lockless check if socket was changed before performing - * next action (like working with cached polling result) - */ - struct socket *socket, *read_socket; - - /* Cached preallocated data */ - void *data; - unsigned int size; - - /* Currently processed command */ - struct dst_cmd cmd; -}; - -struct dst_info -{ - /* Device size */ - u64 size; - - /* Local device name for export devices */ - char local[DST_NAMELEN]; - - /* Network setup */ - struct dst_network_ctl net; - - /* Sysfs bits use this */ - struct device device; -}; - -struct dst_node -{ - struct list_head node_entry; - - /* Hi, my name is stored here */ - char name[DST_NAMELEN]; - /* My cache name is stored here */ - char cache_name[DST_NAMELEN]; - - /* Block device attached to given node. - * Only valid for exporting nodes */ - struct block_device *bdev; - /* Network state machine for given peer */ - struct dst_state *state; - - /* Block IO machinery */ - struct request_queue *queue; - struct gendisk *disk; - - /* Number of threads in processing pool */ - int thread_num; - /* Maximum number of pages in single IO */ - int max_pages; - - /* I'm that big in bytes */ - loff_t size; - - /* Exported to userspace node information */ - struct dst_info *info; - - /* - * Security attribute list. - * Used only by exporting node currently. - */ - struct list_head security_list; - struct mutex security_lock; - - /* - * When this unerflows below zero, university collapses. - * But this will not happen, since node will be freed, - * when reference counter reaches zero. - */ - atomic_t refcnt; - - /* How precisely should I be started? */ - int (*start)(struct dst_node *); - - /* Crypto capabilities */ - struct dst_crypto_ctl crypto; - u8 *hash_key; - u8 *cipher_key; - - /* Pool of processing thread */ - struct thread_pool *pool; - - /* Transaction IDs live here */ - atomic_long_t gen; - - /* - * How frequently and how many times transaction - * tree should be scanned to drop stale objects. - */ - long trans_scan_timeout; - int trans_max_retries; - - /* Small gnomes live here */ - struct rb_root trans_root; - struct mutex trans_lock; - - /* - * Transaction cache/memory pool. - * It is big enough to contain not only transaction - * itself, but additional crypto data (digest/hmac). - */ - struct kmem_cache *trans_cache; - mempool_t *trans_pool; - - /* This entity scans transaction tree */ - struct delayed_work trans_work; - - wait_queue_head_t wait; -}; - -/* Kernel representation of the security attribute */ -struct dst_secure -{ - struct list_head sec_entry; - struct dst_secure_user sec; -}; - -int dst_process_bio(struct dst_node *n, struct bio *bio); - -int dst_node_init_connected(struct dst_node *n, struct dst_network_ctl *r); -int dst_node_init_listened(struct dst_node *n, struct dst_export_ctl *le); - -static inline struct dst_state *dst_state_get(struct dst_state *st) -{ - BUG_ON(atomic_read(&st->refcnt) == 0); - atomic_inc(&st->refcnt); - return st; -} - -void dst_state_put(struct dst_state *st); - -struct dst_state *dst_state_alloc(struct dst_node *n); -int dst_state_socket_create(struct dst_state *st); -void dst_state_socket_release(struct dst_state *st); - -void dst_state_exit_connected(struct dst_state *st); - -int dst_state_schedule_receiver(struct dst_state *st); - -void dst_dump_addr(struct socket *sk, struct sockaddr *sa, char *str); - -static inline void dst_state_lock(struct dst_state *st) -{ - mutex_lock(&st->state_lock); -} - -static inline void dst_state_unlock(struct dst_state *st) -{ - mutex_unlock(&st->state_lock); -} - -void dst_poll_exit(struct dst_state *st); -int dst_poll_init(struct dst_state *st); - -static inline unsigned int dst_state_poll(struct dst_state *st) -{ - unsigned int revents = POLLHUP | POLLERR; - - dst_state_lock(st); - if (st->socket) - revents = st->socket->ops->poll(NULL, st->socket, NULL); - dst_state_unlock(st); - - return revents; -} - -static inline int dst_thread_setup(void *private, void *data) -{ - return 0; -} - -void dst_node_put(struct dst_node *n); - -static inline struct dst_node *dst_node_get(struct dst_node *n) -{ - atomic_inc(&n->refcnt); - return n; -} - -int dst_data_recv(struct dst_state *st, void *data, unsigned int size); -int dst_recv_cdata(struct dst_state *st, void *cdata); -int dst_data_send_header(struct socket *sock, - void *data, unsigned int size, int more); - -int dst_send_bio(struct dst_state *st, struct dst_cmd *cmd, struct bio *bio); - -int dst_process_io(struct dst_state *st); -int dst_export_crypto(struct dst_node *n, struct bio *bio); -int dst_export_send_bio(struct bio *bio); -int dst_start_export(struct dst_node *n); - -int __init dst_export_init(void); -void dst_export_exit(void); - -/* Private structure for export block IO requests */ -struct dst_export_priv -{ - struct list_head request_entry; - struct dst_state *state; - struct bio *bio; - struct dst_cmd cmd; -}; - -static inline void dst_trans_get(struct dst_trans *t) -{ - atomic_inc(&t->refcnt); -} - -struct dst_trans *dst_trans_search(struct dst_node *node, dst_gen_t gen); -int dst_trans_remove(struct dst_trans *t); -int dst_trans_remove_nolock(struct dst_trans *t); -void dst_trans_put(struct dst_trans *t); - -/* - * Convert bio into network command. - */ -static inline void dst_bio_to_cmd(struct bio *bio, struct dst_cmd *cmd, - u32 command, u64 id) -{ - cmd->cmd = command; - cmd->flags = (bio->bi_flags << BIO_POOL_BITS) >> BIO_POOL_BITS; - cmd->rw = bio->bi_rw; - cmd->size = bio->bi_size; - cmd->csize = 0; - cmd->id = id; - cmd->sector = bio->bi_sector; -}; - -int dst_trans_send(struct dst_trans *t); -int dst_trans_crypto(struct dst_trans *t); - -int dst_node_crypto_init(struct dst_node *n, struct dst_crypto_ctl *ctl); -void dst_node_crypto_exit(struct dst_node *n); - -static inline int dst_need_crypto(struct dst_node *n) -{ - struct dst_crypto_ctl *c = &n->crypto; - /* - * Logical OR is appropriate here, but boolean one produces - * more optimal code, so it is used instead. - */ - return (c->hash_algo[0] | c->cipher_algo[0]); -} - -int dst_node_trans_init(struct dst_node *n, unsigned int size); -void dst_node_trans_exit(struct dst_node *n); - -/* - * Pool of threads. - * Ready list contains threads currently free to be used, - * active one contains threads with some work scheduled for them. - * Caller can wait in given queue when thread is ready. - */ -struct thread_pool -{ - int thread_num; - struct mutex thread_lock; - struct list_head ready_list, active_list; - - wait_queue_head_t wait; -}; - -void thread_pool_del_worker(struct thread_pool *p); -void thread_pool_del_worker_id(struct thread_pool *p, unsigned int id); -int thread_pool_add_worker(struct thread_pool *p, - char *name, - unsigned int id, - void *(* init)(void *data), - void (* cleanup)(void *data), - void *data); - -void thread_pool_destroy(struct thread_pool *p); -struct thread_pool *thread_pool_create(int num, char *name, - void *(* init)(void *data), - void (* cleanup)(void *data), - void *data); - -int thread_pool_schedule(struct thread_pool *p, - int (* setup)(void *stored_private, void *setup_data), - int (* action)(void *stored_private, void *setup_data), - void *setup_data, long timeout); -int thread_pool_schedule_private(struct thread_pool *p, - int (* setup)(void *private, void *data), - int (* action)(void *private, void *data), - void *data, long timeout, void *id); - -#endif /* __KERNEL__ */ -#endif /* __DST_H */ diff --git a/include/linux/elf.h b/include/linux/elf.h index 90a4ed0..0cc4d55 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -361,7 +361,7 @@ typedef struct elf64_shdr { #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ -#define NT_PRXSTATUS 0x300 /* s390 upper register halves */ +#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ /* Note header in a PT_NOTE section */ diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h index f07f34d..258088a 100644 --- a/include/linux/ext3_fs_sb.h +++ b/include/linux/ext3_fs_sb.h @@ -72,6 +72,8 @@ struct ext3_sb_info { struct inode * s_journal_inode; struct journal_s * s_journal; struct list_head s_orphan; + struct mutex s_orphan_lock; + struct mutex s_resize_lock; unsigned long s_commit_interval; struct block_device *journal_bdev; #ifdef CONFIG_JBD_DEBUG diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h index cf82d51..d7b5ddc 100644 --- a/include/linux/ext3_jbd.h +++ b/include/linux/ext3_jbd.h @@ -44,13 +44,13 @@ #define EXT3_DATA_TRANS_BLOCKS(sb) (EXT3_SINGLEDATA_TRANS_BLOCKS + \ EXT3_XATTR_TRANS_BLOCKS - 2 + \ - 2*EXT3_QUOTA_TRANS_BLOCKS(sb)) + EXT3_MAXQUOTAS_TRANS_BLOCKS(sb)) /* Delete operations potentially hit one directory's namespace plus an * entire inode, plus arbitrary amounts of bitmap/indirection data. Be * generous. We can grow the delete transaction later if necessary. */ -#define EXT3_DELETE_TRANS_BLOCKS(sb) (2 * EXT3_DATA_TRANS_BLOCKS(sb) + 64) +#define EXT3_DELETE_TRANS_BLOCKS(sb) (EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) + 64) /* Define an arbitrary limit for the amount of data we will anticipate * writing to any given transaction. For unbounded transactions such as @@ -86,6 +86,9 @@ #define EXT3_QUOTA_INIT_BLOCKS(sb) 0 #define EXT3_QUOTA_DEL_BLOCKS(sb) 0 #endif +#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb)) +#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb)) +#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb)) int ext3_mark_iloc_dirty(handle_t *handle, diff --git a/include/linux/fiemap.h b/include/linux/fiemap.h index 934e22d..d830747 100644 --- a/include/linux/fiemap.h +++ b/include/linux/fiemap.h @@ -62,5 +62,7 @@ struct fiemap { #define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively * support extents. Result * merged for efficiency. */ +#define FIEMAP_EXTENT_SHARED 0x00002000 /* Space shared with other + * files. */ #endif /* _LINUX_FIEMAP_H */ diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index c6b3ca3..1f716d9 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -340,6 +340,9 @@ struct fw_cdev_send_response { * The @closure field is passed back to userspace in the response event. * The @handle field is an out parameter, returning a handle to the allocated * range to be used for later deallocation of the range. + * + * The address range is allocated on all local nodes. The address allocation + * is exclusive except for the FCP command and response registers. */ struct fw_cdev_allocate { __u64 offset; diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 9416a46..a0e6715 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -248,8 +248,8 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, void *data, size_t length, void *callback_data); /* - * Important note: The callback must guarantee that either fw_send_response() - * or kfree() is called on the @request. + * Important note: Except for the FCP registers, the callback must guarantee + * that either fw_send_response() or kfree() is called on the @request. */ typedef void (*fw_address_callback_t)(struct fw_card *card, struct fw_request *request, diff --git a/include/linux/fs.h b/include/linux/fs.h index cca1919..9147ca8 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1624,8 +1624,6 @@ struct super_operations { * on the bit address once it is done. * * Q: What is the difference between I_WILL_FREE and I_FREEING? - * Q: igrab() only checks on (I_FREEING|I_WILL_FREE). Should it also check on - * I_CLEAR? If not, why? */ #define I_DIRTY_SYNC 1 #define I_DIRTY_DATASYNC 2 @@ -2299,6 +2297,7 @@ extern const struct inode_operations page_symlink_inode_operations; extern int generic_readlink(struct dentry *, char __user *, int); extern void generic_fillattr(struct inode *, struct kstat *); extern int vfs_getattr(struct vfsmount *, struct dentry *, struct kstat *); +void __inode_add_bytes(struct inode *inode, loff_t bytes); void inode_add_bytes(struct inode *inode, loff_t bytes); void inode_sub_bytes(struct inode *inode, loff_t bytes); loff_t inode_get_bytes(struct inode *inode); @@ -2464,5 +2463,8 @@ int proc_nr_files(struct ctl_table *table, int write, int __init get_filesystem_list(char *buf); +#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE]) +#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE)) + #endif /* __KERNEL__ */ #endif /* _LINUX_FS_H */ diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index d9724a2..163c840 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -832,7 +832,7 @@ struct ieee80211_ht_cap { #define IEEE80211_HT_CAP_DELAY_BA 0x0400 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 -#define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000 +#define IEEE80211_HT_CAP_RESERVED 0x2000 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 699e85c..b230492 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -81,6 +81,7 @@ 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_MAXCONF((in_dev), RP_FILTER) +#define IN_DEV_SRC_VMARK(in_dev) IN_DEV_ORCONF((in_dev), SRC_VMARK) #define IN_DEV_SOURCE_ROUTE(in_dev) IN_DEV_ANDCONF((in_dev), \ ACCEPT_SOURCE_ROUTE) #define IN_DEV_ACCEPT_LOCAL(in_dev) IN_DEV_ORCONF((in_dev), ACCEPT_LOCAL) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index f1011f7..638ce45 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -653,6 +653,7 @@ struct transaction_s * waiting for it to finish. */ unsigned int t_synchronous_commit:1; + unsigned int t_flushed_data_blocks:1; /* * For use by the filesystem to store fs-specific data diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h index ad6bdf5..7c6b32a1 100644 --- a/include/linux/kfifo.h +++ b/include/linux/kfifo.h @@ -1,6 +1,7 @@ /* - * A simple kernel FIFO implementation. + * A generic kernel FIFO implementation. * + * Copyright (C) 2009 Stefani Seibold <stefani@seibold.net> * Copyright (C) 2004 Stelian Pop <stelian@popies.net> * * This program is free software; you can redistribute it and/or modify @@ -18,6 +19,25 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ + +/* + * Howto porting drivers to the new generic fifo API: + * + * - Modify the declaration of the "struct kfifo *" object into a + * in-place "struct kfifo" object + * - Init the in-place object with kfifo_alloc() or kfifo_init() + * Note: The address of the in-place "struct kfifo" object must be + * passed as the first argument to this functions + * - Replace the use of __kfifo_put into kfifo_in and __kfifo_get + * into kfifo_out + * - Replace the use of kfifo_put into kfifo_in_locked and kfifo_get + * into kfifo_out_locked + * Note: the spinlock pointer formerly passed to kfifo_init/kfifo_alloc + * must be passed now to the kfifo_in_locked and kfifo_out_locked + * as the last parameter. + * - All formerly name __kfifo_* functions has been renamed into kfifo_* + */ + #ifndef _LINUX_KFIFO_H #define _LINUX_KFIFO_H @@ -29,124 +49,562 @@ struct kfifo { unsigned int size; /* the size of the allocated buffer */ unsigned int in; /* data is added at offset (in % size) */ unsigned int out; /* data is extracted from off. (out % size) */ - spinlock_t *lock; /* protects concurrent modifications */ }; -extern struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size, - gfp_t gfp_mask, spinlock_t *lock); -extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask, - spinlock_t *lock); +/* + * Macros for declaration and initialization of the kfifo datatype + */ + +/* helper macro */ +#define __kfifo_initializer(s, b) \ + (struct kfifo) { \ + .size = s, \ + .in = 0, \ + .out = 0, \ + .buffer = b \ + } + +/** + * DECLARE_KFIFO - macro to declare a kfifo and the associated buffer + * @name: name of the declared kfifo datatype + * @size: size of the fifo buffer + * + * Note1: the macro can be used inside struct or union declaration + * Note2: the macro creates two objects: + * A kfifo object with the given name and a buffer for the kfifo + * object named name##kfifo_buffer + */ +#define DECLARE_KFIFO(name, size) \ +union { \ + struct kfifo name; \ + unsigned char name##kfifo_buffer[size + sizeof(struct kfifo)]; \ +} + +/** + * INIT_KFIFO - Initialize a kfifo declared by DECLARE_KFIFO + * @name: name of the declared kfifo datatype + */ +#define INIT_KFIFO(name) \ + name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \ + sizeof(struct kfifo), name##kfifo_buffer) + +/** + * DEFINE_KFIFO - macro to define and initialize a kfifo + * @name: name of the declared kfifo datatype + * @size: size of the fifo buffer + * + * Note1: the macro can be used for global and local kfifo data type variables + * Note2: the macro creates two objects: + * A kfifo object with the given name and a buffer for the kfifo + * object named name##kfifo_buffer + */ +#define DEFINE_KFIFO(name, size) \ + unsigned char name##kfifo_buffer[size]; \ + struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer) + +#undef __kfifo_initializer + +extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer, + unsigned int size); +extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size, + gfp_t gfp_mask); extern void kfifo_free(struct kfifo *fifo); -extern unsigned int __kfifo_put(struct kfifo *fifo, - const unsigned char *buffer, unsigned int len); -extern unsigned int __kfifo_get(struct kfifo *fifo, - unsigned char *buffer, unsigned int len); +extern unsigned int kfifo_in(struct kfifo *fifo, + const unsigned char *from, unsigned int len); +extern __must_check unsigned int kfifo_out(struct kfifo *fifo, + unsigned char *to, unsigned int len); /** - * __kfifo_reset - removes the entire FIFO contents, no locking version + * kfifo_reset - removes the entire FIFO contents * @fifo: the fifo to be emptied. */ -static inline void __kfifo_reset(struct kfifo *fifo) +static inline void kfifo_reset(struct kfifo *fifo) { fifo->in = fifo->out = 0; } /** - * kfifo_reset - removes the entire FIFO contents + * kfifo_reset_out - skip FIFO contents * @fifo: the fifo to be emptied. */ -static inline void kfifo_reset(struct kfifo *fifo) +static inline void kfifo_reset_out(struct kfifo *fifo) { - unsigned long flags; + smp_mb(); + fifo->out = fifo->in; +} - spin_lock_irqsave(fifo->lock, flags); +/** + * kfifo_size - returns the size of the fifo in bytes + * @fifo: the fifo to be used. + */ +static inline __must_check unsigned int kfifo_size(struct kfifo *fifo) +{ + return fifo->size; +} - __kfifo_reset(fifo); +/** + * kfifo_len - returns the number of used bytes in the FIFO + * @fifo: the fifo to be used. + */ +static inline unsigned int kfifo_len(struct kfifo *fifo) +{ + register unsigned int out; - spin_unlock_irqrestore(fifo->lock, flags); + out = fifo->out; + smp_rmb(); + return fifo->in - out; } /** - * kfifo_put - puts some data into the FIFO + * kfifo_is_empty - returns true if the fifo is empty * @fifo: the fifo to be used. - * @buffer: the data to be added. - * @len: the length of the data to be added. + */ +static inline __must_check int kfifo_is_empty(struct kfifo *fifo) +{ + return fifo->in == fifo->out; +} + +/** + * kfifo_is_full - returns true if the fifo is full + * @fifo: the fifo to be used. + */ +static inline __must_check int kfifo_is_full(struct kfifo *fifo) +{ + return kfifo_len(fifo) == kfifo_size(fifo); +} + +/** + * kfifo_avail - returns the number of bytes available in the FIFO + * @fifo: the fifo to be used. + */ +static inline __must_check unsigned int kfifo_avail(struct kfifo *fifo) +{ + return kfifo_size(fifo) - kfifo_len(fifo); +} + +/** + * kfifo_in_locked - puts some data into the FIFO using a spinlock for locking + * @fifo: the fifo to be used. + * @from: the data to be added. + * @n: the length of the data to be added. + * @lock: pointer to the spinlock to use for locking. * - * This function copies at most @len bytes from the @buffer into + * This function copies at most @len bytes from the @from buffer into * the FIFO depending on the free space, and returns the number of * bytes copied. */ -static inline unsigned int kfifo_put(struct kfifo *fifo, - const unsigned char *buffer, unsigned int len) +static inline unsigned int kfifo_in_locked(struct kfifo *fifo, + const unsigned char *from, unsigned int n, spinlock_t *lock) { unsigned long flags; unsigned int ret; - spin_lock_irqsave(fifo->lock, flags); + spin_lock_irqsave(lock, flags); - ret = __kfifo_put(fifo, buffer, len); + ret = kfifo_in(fifo, from, n); - spin_unlock_irqrestore(fifo->lock, flags); + spin_unlock_irqrestore(lock, flags); return ret; } /** - * kfifo_get - gets some data from the FIFO + * kfifo_out_locked - gets some data from the FIFO using a spinlock for locking * @fifo: the fifo to be used. - * @buffer: where the data must be copied. - * @len: the size of the destination buffer. + * @to: where the data must be copied. + * @n: the size of the destination buffer. + * @lock: pointer to the spinlock to use for locking. * * This function copies at most @len bytes from the FIFO into the - * @buffer and returns the number of copied bytes. + * @to buffer and returns the number of copied bytes. */ -static inline unsigned int kfifo_get(struct kfifo *fifo, - unsigned char *buffer, unsigned int len) +static inline __must_check unsigned int kfifo_out_locked(struct kfifo *fifo, + unsigned char *to, unsigned int n, spinlock_t *lock) { unsigned long flags; unsigned int ret; - spin_lock_irqsave(fifo->lock, flags); + spin_lock_irqsave(lock, flags); - ret = __kfifo_get(fifo, buffer, len); + ret = kfifo_out(fifo, to, n); /* * optimization: if the FIFO is empty, set the indices to 0 * so we don't wrap the next time */ - if (fifo->in == fifo->out) - fifo->in = fifo->out = 0; + if (kfifo_is_empty(fifo)) + kfifo_reset(fifo); + + spin_unlock_irqrestore(lock, flags); + + return ret; +} + +extern void kfifo_skip(struct kfifo *fifo, unsigned int len); + +extern __must_check unsigned int kfifo_from_user(struct kfifo *fifo, + const void __user *from, unsigned int n); + +extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo, + void __user *to, unsigned int n); + +/* + * __kfifo_add_out internal helper function for updating the out offset + */ +static inline void __kfifo_add_out(struct kfifo *fifo, + unsigned int off) +{ + smp_mb(); + fifo->out += off; +} + +/* + * __kfifo_add_in internal helper function for updating the in offset + */ +static inline void __kfifo_add_in(struct kfifo *fifo, + unsigned int off) +{ + smp_wmb(); + fifo->in += off; +} + +/* + * __kfifo_off internal helper function for calculating the index of a + * given offeset + */ +static inline unsigned int __kfifo_off(struct kfifo *fifo, unsigned int off) +{ + return off & (fifo->size - 1); +} + +/* + * __kfifo_peek_n internal helper function for determinate the length of + * the next record in the fifo + */ +static inline unsigned int __kfifo_peek_n(struct kfifo *fifo, + unsigned int recsize) +{ +#define __KFIFO_GET(fifo, off, shift) \ + ((fifo)->buffer[__kfifo_off((fifo), (fifo)->out+(off))] << (shift)) + + unsigned int l; + + l = __KFIFO_GET(fifo, 0, 0); + + if (--recsize) + l |= __KFIFO_GET(fifo, 1, 8); + + return l; +#undef __KFIFO_GET +} + +/* + * __kfifo_poke_n internal helper function for storing the length of + * the next record into the fifo + */ +static inline void __kfifo_poke_n(struct kfifo *fifo, + unsigned int recsize, unsigned int n) +{ +#define __KFIFO_PUT(fifo, off, val, shift) \ + ( \ + (fifo)->buffer[__kfifo_off((fifo), (fifo)->in+(off))] = \ + (unsigned char)((val) >> (shift)) \ + ) - spin_unlock_irqrestore(fifo->lock, flags); + __KFIFO_PUT(fifo, 0, n, 0); + if (--recsize) + __KFIFO_PUT(fifo, 1, n, 8); +#undef __KFIFO_PUT +} + +/* + * __kfifo_in_... internal functions for put date into the fifo + * do not call it directly, use kfifo_in_rec() instead + */ +extern unsigned int __kfifo_in_n(struct kfifo *fifo, + const void *from, unsigned int n, unsigned int recsize); + +extern unsigned int __kfifo_in_generic(struct kfifo *fifo, + const void *from, unsigned int n, unsigned int recsize); + +static inline unsigned int __kfifo_in_rec(struct kfifo *fifo, + const void *from, unsigned int n, unsigned int recsize) +{ + unsigned int ret; + + ret = __kfifo_in_n(fifo, from, n, recsize); + + if (likely(ret == 0)) { + if (recsize) + __kfifo_poke_n(fifo, recsize, n); + __kfifo_add_in(fifo, n + recsize); + } return ret; } /** - * __kfifo_len - returns the number of bytes available in the FIFO, no locking version + * kfifo_in_rec - puts some record data into the FIFO * @fifo: the fifo to be used. + * @from: the data to be added. + * @n: the length of the data to be added. + * @recsize: size of record field + * + * This function copies @n bytes from the @from into the FIFO and returns + * the number of bytes which cannot be copied. + * A returned value greater than the @n value means that the record doesn't + * fit into the buffer. + * + * Note that with only one concurrent reader and one concurrent + * writer, you don't need extra locking to use these functions. */ -static inline unsigned int __kfifo_len(struct kfifo *fifo) +static inline __must_check unsigned int kfifo_in_rec(struct kfifo *fifo, + void *from, unsigned int n, unsigned int recsize) { - return fifo->in - fifo->out; + if (!__builtin_constant_p(recsize)) + return __kfifo_in_generic(fifo, from, n, recsize); + return __kfifo_in_rec(fifo, from, n, recsize); +} + +/* + * __kfifo_out_... internal functions for get date from the fifo + * do not call it directly, use kfifo_out_rec() instead + */ +extern unsigned int __kfifo_out_n(struct kfifo *fifo, + void *to, unsigned int reclen, unsigned int recsize); + +extern unsigned int __kfifo_out_generic(struct kfifo *fifo, + void *to, unsigned int n, + unsigned int recsize, unsigned int *total); + +static inline unsigned int __kfifo_out_rec(struct kfifo *fifo, + void *to, unsigned int n, unsigned int recsize, + unsigned int *total) +{ + unsigned int l; + + if (!recsize) { + l = n; + if (total) + *total = l; + } else { + l = __kfifo_peek_n(fifo, recsize); + if (total) + *total = l; + if (n < l) + return l; + } + + return __kfifo_out_n(fifo, to, l, recsize); } /** - * kfifo_len - returns the number of bytes available in the FIFO + * kfifo_out_rec - gets some record data from the FIFO * @fifo: the fifo to be used. + * @to: where the data must be copied. + * @n: the size of the destination buffer. + * @recsize: size of record field + * @total: pointer where the total number of to copied bytes should stored + * + * This function copies at most @n bytes from the FIFO to @to and returns the + * number of bytes which cannot be copied. + * A returned value greater than the @n value means that the record doesn't + * fit into the @to buffer. + * + * Note that with only one concurrent reader and one concurrent + * writer, you don't need extra locking to use these functions. */ -static inline unsigned int kfifo_len(struct kfifo *fifo) +static inline __must_check unsigned int kfifo_out_rec(struct kfifo *fifo, + void *to, unsigned int n, unsigned int recsize, + unsigned int *total) + { - unsigned long flags; - unsigned int ret; + if (!__builtin_constant_p(recsize)) + return __kfifo_out_generic(fifo, to, n, recsize, total); + return __kfifo_out_rec(fifo, to, n, recsize, total); +} + +/* + * __kfifo_from_user_... internal functions for transfer from user space into + * the fifo. do not call it directly, use kfifo_from_user_rec() instead + */ +extern unsigned int __kfifo_from_user_n(struct kfifo *fifo, + const void __user *from, unsigned int n, unsigned int recsize); - spin_lock_irqsave(fifo->lock, flags); +extern unsigned int __kfifo_from_user_generic(struct kfifo *fifo, + const void __user *from, unsigned int n, unsigned int recsize); - ret = __kfifo_len(fifo); +static inline unsigned int __kfifo_from_user_rec(struct kfifo *fifo, + const void __user *from, unsigned int n, unsigned int recsize) +{ + unsigned int ret; - spin_unlock_irqrestore(fifo->lock, flags); + ret = __kfifo_from_user_n(fifo, from, n, recsize); + if (likely(ret == 0)) { + if (recsize) + __kfifo_poke_n(fifo, recsize, n); + __kfifo_add_in(fifo, n + recsize); + } return ret; } +/** + * kfifo_from_user_rec - puts some data from user space into the FIFO + * @fifo: the fifo to be used. + * @from: pointer to the data to be added. + * @n: the length of the data to be added. + * @recsize: size of record field + * + * This function copies @n bytes from the @from into the + * FIFO and returns the number of bytes which cannot be copied. + * + * If the returned value is equal or less the @n value, the copy_from_user() + * functions has failed. Otherwise the record doesn't fit into the buffer. + * + * Note that with only one concurrent reader and one concurrent + * writer, you don't need extra locking to use these functions. + */ +static inline __must_check unsigned int kfifo_from_user_rec(struct kfifo *fifo, + const void __user *from, unsigned int n, unsigned int recsize) +{ + if (!__builtin_constant_p(recsize)) + return __kfifo_from_user_generic(fifo, from, n, recsize); + return __kfifo_from_user_rec(fifo, from, n, recsize); +} + +/* + * __kfifo_to_user_... internal functions for transfer fifo data into user space + * do not call it directly, use kfifo_to_user_rec() instead + */ +extern unsigned int __kfifo_to_user_n(struct kfifo *fifo, + void __user *to, unsigned int n, unsigned int reclen, + unsigned int recsize); + +extern unsigned int __kfifo_to_user_generic(struct kfifo *fifo, + void __user *to, unsigned int n, unsigned int recsize, + unsigned int *total); + +static inline unsigned int __kfifo_to_user_rec(struct kfifo *fifo, + void __user *to, unsigned int n, + unsigned int recsize, unsigned int *total) +{ + unsigned int l; + + if (!recsize) { + l = n; + if (total) + *total = l; + } else { + l = __kfifo_peek_n(fifo, recsize); + if (total) + *total = l; + if (n < l) + return l; + } + + return __kfifo_to_user_n(fifo, to, n, l, recsize); +} + +/** + * kfifo_to_user_rec - gets data from the FIFO and write it to user space + * @fifo: the fifo to be used. + * @to: where the data must be copied. + * @n: the size of the destination buffer. + * @recsize: size of record field + * @total: pointer where the total number of to copied bytes should stored + * + * This function copies at most @n bytes from the FIFO to the @to. + * In case of an error, the function returns the number of bytes which cannot + * be copied. + * If the returned value is equal or less the @n value, the copy_to_user() + * functions has failed. Otherwise the record doesn't fit into the @to buffer. + * + * Note that with only one concurrent reader and one concurrent + * writer, you don't need extra locking to use these functions. + */ +static inline __must_check unsigned int kfifo_to_user_rec(struct kfifo *fifo, + void __user *to, unsigned int n, unsigned int recsize, + unsigned int *total) +{ + if (!__builtin_constant_p(recsize)) + return __kfifo_to_user_generic(fifo, to, n, recsize, total); + return __kfifo_to_user_rec(fifo, to, n, recsize, total); +} + +/* + * __kfifo_peek_... internal functions for peek into the next fifo record + * do not call it directly, use kfifo_peek_rec() instead + */ +extern unsigned int __kfifo_peek_generic(struct kfifo *fifo, + unsigned int recsize); + +/** + * kfifo_peek_rec - gets the size of the next FIFO record data + * @fifo: the fifo to be used. + * @recsize: size of record field + * + * This function returns the size of the next FIFO record in number of bytes + */ +static inline __must_check unsigned int kfifo_peek_rec(struct kfifo *fifo, + unsigned int recsize) +{ + if (!__builtin_constant_p(recsize)) + return __kfifo_peek_generic(fifo, recsize); + if (!recsize) + return kfifo_len(fifo); + return __kfifo_peek_n(fifo, recsize); +} + +/* + * __kfifo_skip_... internal functions for skip the next fifo record + * do not call it directly, use kfifo_skip_rec() instead + */ +extern void __kfifo_skip_generic(struct kfifo *fifo, unsigned int recsize); + +static inline void __kfifo_skip_rec(struct kfifo *fifo, + unsigned int recsize) +{ + unsigned int l; + + if (recsize) { + l = __kfifo_peek_n(fifo, recsize); + + if (l + recsize <= kfifo_len(fifo)) { + __kfifo_add_out(fifo, l + recsize); + return; + } + } + kfifo_reset_out(fifo); +} + +/** + * kfifo_skip_rec - skip the next fifo out record + * @fifo: the fifo to be used. + * @recsize: size of record field + * + * This function skips the next FIFO record + */ +static inline void kfifo_skip_rec(struct kfifo *fifo, + unsigned int recsize) +{ + if (!__builtin_constant_p(recsize)) + __kfifo_skip_generic(fifo, recsize); + else + __kfifo_skip_rec(fifo, recsize); +} + +/** + * kfifo_avail_rec - returns the number of bytes available in a record FIFO + * @fifo: the fifo to be used. + * @recsize: size of record field + */ +static inline __must_check unsigned int kfifo_avail_rec(struct kfifo *fifo, + unsigned int recsize) +{ + unsigned int l = kfifo_size(fifo) - kfifo_len(fifo); + + return (l > recsize) ? l - recsize : 0; +} + #endif diff --git a/include/linux/memory.h b/include/linux/memory.h index 37fa19b..1adfe77 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -50,6 +50,19 @@ struct memory_notify { int status_change_nid; }; +/* + * During pageblock isolation, count the number of pages within the + * range [start_pfn, start_pfn + nr_pages) which are owned by code + * in the notifier chain. + */ +#define MEM_ISOLATE_COUNT (1<<0) + +struct memory_isolate_notify { + unsigned long start_pfn; /* Start of range to check */ + unsigned int nr_pages; /* # pages in range to check */ + unsigned int pages_found; /* # pages owned found by callbacks */ +}; + struct notifier_block; struct mem_section; @@ -76,14 +89,28 @@ static inline int memory_notify(unsigned long val, void *v) { return 0; } +static inline int register_memory_isolate_notifier(struct notifier_block *nb) +{ + return 0; +} +static inline void unregister_memory_isolate_notifier(struct notifier_block *nb) +{ +} +static inline int memory_isolate_notify(unsigned long val, void *v) +{ + return 0; +} #else extern int register_memory_notifier(struct notifier_block *nb); extern void unregister_memory_notifier(struct notifier_block *nb); +extern int register_memory_isolate_notifier(struct notifier_block *nb); +extern void unregister_memory_isolate_notifier(struct notifier_block *nb); extern int register_new_memory(int, struct mem_section *); extern int unregister_memory_section(struct mem_section *); extern int memory_dev_init(void); extern int remove_memory_block(unsigned long, struct mem_section *, int); extern int memory_notify(unsigned long val, void *v); +extern int memory_isolate_notify(unsigned long val, void *v); extern struct memory_block *find_memory_block(struct mem_section *); #define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT) enum mem_add_context { BOOT, HOTPLUG }; diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 84a524a..84d020b 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -123,6 +123,8 @@ struct vm_region { struct file *vm_file; /* the backing file or NULL */ atomic_t vm_usage; /* region usage count */ + bool vm_icache_flushed : 1; /* true if the icache has been flushed for + * this region */ }; /* diff --git a/include/linux/namei.h b/include/linux/namei.h index 0289467..05b441d 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -72,8 +72,6 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *, extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry, int (*open)(struct inode *, struct file *)); -extern struct file *nameidata_to_filp(struct nameidata *nd, int flags); -extern void release_open_intent(struct nameidata *); extern struct dentry *lookup_one_len(const char *, struct dentry *, int); diff --git a/include/linux/pci.h b/include/linux/pci.h index bf1e670..174e539 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -243,6 +243,7 @@ struct pci_dev { unsigned int d2_support:1; /* Low power state D2 is supported */ unsigned int no_d1d2:1; /* Only allow D0 and D3 */ unsigned int wakeup_prepared:1; + unsigned int d3_delay; /* D3->D0 transition time in ms */ #ifdef CONFIG_PCIEASPM struct pcie_link_state *link_state; /* ASPM link state. */ @@ -566,6 +567,9 @@ void pcibios_align_resource(void *, struct resource *, resource_size_t, resource_size_t); void pcibios_update_irq(struct pci_dev *, int irq); +/* Weak but can be overriden by arch */ +void pci_fixup_cardbus(struct pci_bus *); + /* Generic PCI functions used internally */ extern struct pci_bus *pci_find_bus(int domain, int busnr); diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h deleted file mode 100644 index e3fb256..0000000 --- a/include/linux/perf_counter.h +++ /dev/null @@ -1,444 +0,0 @@ -/* - * NOTE: this file will be removed in a future kernel release, it is - * provided as a courtesy copy of user-space code that relies on the - * old (pre-rename) symbols and constants. - * - * Performance events: - * - * Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de> - * Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar - * Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra - * - * Data type definitions, declarations, prototypes. - * - * Started by: Thomas Gleixner and Ingo Molnar - * - * For licencing details see kernel-base/COPYING - */ -#ifndef _LINUX_PERF_COUNTER_H -#define _LINUX_PERF_COUNTER_H - -#include <linux/types.h> -#include <linux/ioctl.h> -#include <asm/byteorder.h> - -/* - * User-space ABI bits: - */ - -/* - * attr.type - */ -enum perf_type_id { - PERF_TYPE_HARDWARE = 0, - PERF_TYPE_SOFTWARE = 1, - PERF_TYPE_TRACEPOINT = 2, - PERF_TYPE_HW_CACHE = 3, - PERF_TYPE_RAW = 4, - - PERF_TYPE_MAX, /* non-ABI */ -}; - -/* - * Generalized performance counter event types, used by the - * attr.event_id parameter of the sys_perf_counter_open() - * syscall: - */ -enum perf_hw_id { - /* - * Common hardware events, generalized by the kernel: - */ - PERF_COUNT_HW_CPU_CYCLES = 0, - PERF_COUNT_HW_INSTRUCTIONS = 1, - PERF_COUNT_HW_CACHE_REFERENCES = 2, - PERF_COUNT_HW_CACHE_MISSES = 3, - PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, - PERF_COUNT_HW_BRANCH_MISSES = 5, - PERF_COUNT_HW_BUS_CYCLES = 6, - - PERF_COUNT_HW_MAX, /* non-ABI */ -}; - -/* - * Generalized hardware cache counters: - * - * { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x - * { read, write, prefetch } x - * { accesses, misses } - */ -enum perf_hw_cache_id { - PERF_COUNT_HW_CACHE_L1D = 0, - PERF_COUNT_HW_CACHE_L1I = 1, - PERF_COUNT_HW_CACHE_LL = 2, - PERF_COUNT_HW_CACHE_DTLB = 3, - PERF_COUNT_HW_CACHE_ITLB = 4, - PERF_COUNT_HW_CACHE_BPU = 5, - - PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ -}; - -enum perf_hw_cache_op_id { - PERF_COUNT_HW_CACHE_OP_READ = 0, - PERF_COUNT_HW_CACHE_OP_WRITE = 1, - PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, - - PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ -}; - -enum perf_hw_cache_op_result_id { - PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, - PERF_COUNT_HW_CACHE_RESULT_MISS = 1, - - PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ -}; - -/* - * Special "software" counters provided by the kernel, even if the hardware - * does not support performance counters. These counters measure various - * physical and sw events of the kernel (and allow the profiling of them as - * well): - */ -enum perf_sw_ids { - PERF_COUNT_SW_CPU_CLOCK = 0, - PERF_COUNT_SW_TASK_CLOCK = 1, - PERF_COUNT_SW_PAGE_FAULTS = 2, - PERF_COUNT_SW_CONTEXT_SWITCHES = 3, - PERF_COUNT_SW_CPU_MIGRATIONS = 4, - PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, - PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, - PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, - PERF_COUNT_SW_EMULATION_FAULTS = 8, - - PERF_COUNT_SW_MAX, /* non-ABI */ -}; - -/* - * Bits that can be set in attr.sample_type to request information - * in the overflow packets. - */ -enum perf_counter_sample_format { - PERF_SAMPLE_IP = 1U << 0, - PERF_SAMPLE_TID = 1U << 1, - PERF_SAMPLE_TIME = 1U << 2, - PERF_SAMPLE_ADDR = 1U << 3, - PERF_SAMPLE_READ = 1U << 4, - PERF_SAMPLE_CALLCHAIN = 1U << 5, - PERF_SAMPLE_ID = 1U << 6, - PERF_SAMPLE_CPU = 1U << 7, - PERF_SAMPLE_PERIOD = 1U << 8, - PERF_SAMPLE_STREAM_ID = 1U << 9, - PERF_SAMPLE_RAW = 1U << 10, - - PERF_SAMPLE_MAX = 1U << 11, /* non-ABI */ -}; - -/* - * The format of the data returned by read() on a perf counter fd, - * as specified by attr.read_format: - * - * struct read_format { - * { u64 value; - * { u64 time_enabled; } && PERF_FORMAT_ENABLED - * { u64 time_running; } && PERF_FORMAT_RUNNING - * { u64 id; } && PERF_FORMAT_ID - * } && !PERF_FORMAT_GROUP - * - * { u64 nr; - * { u64 time_enabled; } && PERF_FORMAT_ENABLED - * { u64 time_running; } && PERF_FORMAT_RUNNING - * { u64 value; - * { u64 id; } && PERF_FORMAT_ID - * } cntr[nr]; - * } && PERF_FORMAT_GROUP - * }; - */ -enum perf_counter_read_format { - PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0, - PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, - PERF_FORMAT_ID = 1U << 2, - PERF_FORMAT_GROUP = 1U << 3, - - PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ -}; - -#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ - -/* - * Hardware event to monitor via a performance monitoring counter: - */ -struct perf_counter_attr { - - /* - * Major type: hardware/software/tracepoint/etc. - */ - __u32 type; - - /* - * Size of the attr structure, for fwd/bwd compat. - */ - __u32 size; - - /* - * Type specific configuration information. - */ - __u64 config; - - union { - __u64 sample_period; - __u64 sample_freq; - }; - - __u64 sample_type; - __u64 read_format; - - __u64 disabled : 1, /* off by default */ - inherit : 1, /* children inherit it */ - pinned : 1, /* must always be on PMU */ - exclusive : 1, /* only group on PMU */ - exclude_user : 1, /* don't count user */ - exclude_kernel : 1, /* ditto kernel */ - exclude_hv : 1, /* ditto hypervisor */ - exclude_idle : 1, /* don't count when idle */ - 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 */ - watermark : 1, /* wakeup_watermark */ - - __reserved_1 : 49; - - union { - __u32 wakeup_events; /* wakeup every n events */ - __u32 wakeup_watermark; /* bytes before wakeup */ - }; - __u32 __reserved_2; - - __u64 __reserved_3; -}; - -/* - * Ioctls that can be done on a perf counter fd: - */ -#define PERF_COUNTER_IOC_ENABLE _IO ('$', 0) -#define PERF_COUNTER_IOC_DISABLE _IO ('$', 1) -#define PERF_COUNTER_IOC_REFRESH _IO ('$', 2) -#define PERF_COUNTER_IOC_RESET _IO ('$', 3) -#define PERF_COUNTER_IOC_PERIOD _IOW('$', 4, u64) -#define PERF_COUNTER_IOC_SET_OUTPUT _IO ('$', 5) -#define PERF_COUNTER_IOC_SET_FILTER _IOW('$', 6, char *) - -enum perf_counter_ioc_flags { - PERF_IOC_FLAG_GROUP = 1U << 0, -}; - -/* - * Structure of the page that can be mapped via mmap - */ -struct perf_counter_mmap_page { - __u32 version; /* version number of this structure */ - __u32 compat_version; /* lowest version this is compat with */ - - /* - * Bits needed to read the hw counters in user-space. - * - * u32 seq; - * s64 count; - * - * do { - * seq = pc->lock; - * - * barrier() - * if (pc->index) { - * count = pmc_read(pc->index - 1); - * count += pc->offset; - * } else - * goto regular_read; - * - * barrier(); - * } while (pc->lock != seq); - * - * NOTE: for obvious reason this only works on self-monitoring - * processes. - */ - __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. - * - * User-space reading the @data_head value should issue an rmb(), on - * SMP capable platforms, after reading this value -- see - * perf_counter_wakeup(). - * - * When the mapping is PROT_WRITE the @data_tail value should be - * written by userspace to reflect the last read data. In this case - * the kernel will not over-write unread data. - */ - __u64 data_head; /* head in the data section */ - __u64 data_tail; /* user-space written tail */ -}; - -#define PERF_EVENT_MISC_CPUMODE_MASK (3 << 0) -#define PERF_EVENT_MISC_CPUMODE_UNKNOWN (0 << 0) -#define PERF_EVENT_MISC_KERNEL (1 << 0) -#define PERF_EVENT_MISC_USER (2 << 0) -#define PERF_EVENT_MISC_HYPERVISOR (3 << 0) - -struct perf_event_header { - __u32 type; - __u16 misc; - __u16 size; -}; - -enum perf_event_type { - - /* - * The MMAP events record the PROT_EXEC mappings so that we can - * correlate userspace IPs to code. They have the following structure: - * - * struct { - * struct perf_event_header header; - * - * u32 pid, tid; - * u64 addr; - * u64 len; - * u64 pgoff; - * char filename[]; - * }; - */ - PERF_EVENT_MMAP = 1, - - /* - * struct { - * struct perf_event_header header; - * u64 id; - * u64 lost; - * }; - */ - PERF_EVENT_LOST = 2, - - /* - * struct { - * struct perf_event_header header; - * - * u32 pid, tid; - * char comm[]; - * }; - */ - PERF_EVENT_COMM = 3, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, ppid; - * u32 tid, ptid; - * u64 time; - * }; - */ - PERF_EVENT_EXIT = 4, - - /* - * struct { - * struct perf_event_header header; - * u64 time; - * u64 id; - * u64 stream_id; - * }; - */ - PERF_EVENT_THROTTLE = 5, - PERF_EVENT_UNTHROTTLE = 6, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, ppid; - * u32 tid, ptid; - * u64 time; - * }; - */ - PERF_EVENT_FORK = 7, - - /* - * struct { - * struct perf_event_header header; - * u32 pid, tid; - * - * struct read_format values; - * }; - */ - PERF_EVENT_READ = 8, - - /* - * struct { - * struct perf_event_header header; - * - * { u64 ip; } && PERF_SAMPLE_IP - * { u32 pid, tid; } && PERF_SAMPLE_TID - * { u64 time; } && PERF_SAMPLE_TIME - * { u64 addr; } && PERF_SAMPLE_ADDR - * { u64 id; } && PERF_SAMPLE_ID - * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID - * { u32 cpu, res; } && PERF_SAMPLE_CPU - * { u64 period; } && PERF_SAMPLE_PERIOD - * - * { struct read_format values; } && PERF_SAMPLE_READ - * - * { u64 nr, - * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN - * - * # - * # The RAW record below is opaque data wrt the ABI - * # - * # That is, the ABI doesn't make any promises wrt to - * # the stability of its content, it may vary depending - * # on event, hardware, kernel version and phase of - * # the moon. - * # - * # In other words, PERF_SAMPLE_RAW contents are not an ABI. - * # - * - * { u32 size; - * char data[size];}&& PERF_SAMPLE_RAW - * }; - */ - PERF_EVENT_SAMPLE = 9, - - PERF_EVENT_MAX, /* non-ABI */ -}; - -enum perf_callchain_context { - PERF_CONTEXT_HV = (__u64)-32, - PERF_CONTEXT_KERNEL = (__u64)-128, - PERF_CONTEXT_USER = (__u64)-512, - - PERF_CONTEXT_GUEST = (__u64)-2048, - PERF_CONTEXT_GUEST_KERNEL = (__u64)-2176, - PERF_CONTEXT_GUEST_USER = (__u64)-2560, - - PERF_CONTEXT_MAX = (__u64)-4095, -}; - -#define PERF_FLAG_FD_NO_GROUP (1U << 0) -#define PERF_FLAG_FD_OUTPUT (1U << 1) - -/* - * In case some app still references the old symbols: - */ - -#define __NR_perf_counter_open __NR_perf_event_open - -#define PR_TASK_PERF_COUNTERS_DISABLE PR_TASK_PERF_EVENTS_DISABLE -#define PR_TASK_PERF_COUNTERS_ENABLE PR_TASK_PERF_EVENTS_ENABLE - -#endif /* _LINUX_PERF_COUNTER_H */ diff --git a/include/linux/quota.h b/include/linux/quota.h index e70e621..a6861f1 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -315,8 +315,9 @@ struct dquot_operations { int (*claim_space) (struct inode *, qsize_t); /* release rsved quota for delayed alloc */ void (*release_rsv) (struct inode *, qsize_t); - /* get reserved quota for delayed alloc */ - qsize_t (*get_reserved_space) (struct inode *); + /* get reserved quota for delayed alloc, value returned is managed by + * quota code only */ + qsize_t *(*get_reserved_space) (struct inode *); }; /* Operations handling requests from userspace */ diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index c4ba9a7..96cc307 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -101,4 +101,9 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* __LINUX_RCUTINY_H */ diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index c93eee5..8044b1b 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -45,6 +45,12 @@ extern void __rcu_read_unlock(void); extern void synchronize_rcu(void); extern void exit_rcu(void); +/* + * Defined as macro as it is a very low level header + * included from areas that don't even know about current + */ +#define rcu_preempt_depth() (current->rcu_read_lock_nesting) + #else /* #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock(void) @@ -63,6 +69,11 @@ static inline void exit_rcu(void) { } +static inline int rcu_preempt_depth(void) +{ + return 0; +} + #endif /* #else #ifdef CONFIG_TREE_PREEMPT_RCU */ static inline void __rcu_read_lock_bh(void) diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index c96c185..1ba3cf6 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -62,6 +62,12 @@ void reiserfs_write_unlock(struct super_block *s); int reiserfs_write_lock_once(struct super_block *s); void reiserfs_write_unlock_once(struct super_block *s, int lock_depth); +#ifdef CONFIG_REISERFS_CHECK +void reiserfs_lock_check_recursive(struct super_block *s); +#else +static inline void reiserfs_lock_check_recursive(struct super_block *s) { } +#endif + /* * Several mutexes depend on the write lock. * However sometimes we want to relax the write lock while we hold @@ -92,11 +98,31 @@ void reiserfs_write_unlock_once(struct super_block *s, int lock_depth); static inline void reiserfs_mutex_lock_safe(struct mutex *m, struct super_block *s) { + reiserfs_lock_check_recursive(s); reiserfs_write_unlock(s); mutex_lock(m); reiserfs_write_lock(s); } +static inline void +reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass, + struct super_block *s) +{ + reiserfs_lock_check_recursive(s); + reiserfs_write_unlock(s); + mutex_lock_nested(m, subclass); + reiserfs_write_lock(s); +} + +static inline void +reiserfs_down_read_safe(struct rw_semaphore *sem, struct super_block *s) +{ + reiserfs_lock_check_recursive(s); + reiserfs_write_unlock(s); + down_read(sem); + reiserfs_write_lock(s); +} + /* * When we schedule, we usually want to also release the write lock, * according to the previous bkl based locking scheme of reiserfs. diff --git a/include/linux/resource.h b/include/linux/resource.h index 40fc7e6..f1e914e 100644 --- a/include/linux/resource.h +++ b/include/linux/resource.h @@ -3,8 +3,6 @@ #include <linux/time.h> -struct task_struct; - /* * Resource control/accounting header file for linux */ @@ -70,6 +68,12 @@ struct rlimit { */ #include <asm/resource.h> +#ifdef __KERNEL__ + +struct task_struct; + int getrusage(struct task_struct *p, int who, struct rusage __user *ru); +#endif /* __KERNEL__ */ + #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index e898578..8d4991b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -192,6 +192,12 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) #define TASK_DEAD 64 #define TASK_WAKEKILL 128 #define TASK_WAKING 256 +#define TASK_STATE_MAX 512 + +#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW" + +extern char ___assert_task_state[1 - 2*!!( + sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; /* Convenience macros for the sake of set_task_state */ #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) @@ -1091,7 +1097,8 @@ struct sched_class { enum cpu_idle_type idle); void (*pre_schedule) (struct rq *this_rq, struct task_struct *task); void (*post_schedule) (struct rq *this_rq); - void (*task_wake_up) (struct rq *this_rq, struct task_struct *task); + void (*task_waking) (struct rq *this_rq, struct task_struct *task); + void (*task_woken) (struct rq *this_rq, struct task_struct *task); void (*set_cpus_allowed)(struct task_struct *p, const struct cpumask *newmask); @@ -1115,7 +1122,7 @@ struct sched_class { struct task_struct *task); #ifdef CONFIG_FAIR_GROUP_SCHED - void (*moved_group) (struct task_struct *p); + void (*moved_group) (struct task_struct *p, int on_rq); #endif }; @@ -2594,7 +2601,27 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) } #endif /* CONFIG_MM_OWNER */ -#define TASK_STATE_TO_CHAR_STR "RSDTtZX" +static inline unsigned long task_rlimit(const struct task_struct *tsk, + unsigned int limit) +{ + return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_cur); +} + +static inline unsigned long task_rlimit_max(const struct task_struct *tsk, + unsigned int limit) +{ + return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_max); +} + +static inline unsigned long rlimit(unsigned int limit) +{ + return task_rlimit(current, limit); +} + +static inline unsigned long rlimit_max(unsigned int limit) +{ + return task_rlimit_max(current, limit); +} #endif /* __KERNEL__ */ diff --git a/include/linux/sonypi.h b/include/linux/sonypi.h index 34c4475..4f95c1a 100644 --- a/include/linux/sonypi.h +++ b/include/linux/sonypi.h @@ -111,6 +111,7 @@ #define SONYPI_EVENT_VOLUME_INC_PRESSED 69 #define SONYPI_EVENT_VOLUME_DEC_PRESSED 70 #define SONYPI_EVENT_BRIGHTNESS_PRESSED 71 +#define SONYPI_EVENT_MEDIA_PRESSED 72 /* get/set brightness */ #define SONYPI_IOCGBRT _IOR('v', 0, __u8) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 65793e9..207466a 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -195,7 +195,7 @@ struct perf_event_attr; static const struct syscall_metadata __used \ __attribute__((__aligned__(4))) \ __attribute__((section("__syscalls_metadata"))) \ - __syscall_meta_##sname = { \ + __syscall_meta__##sname = { \ .name = "sys_"#sname, \ .nb_args = 0, \ .enter_event = &event_enter__##sname, \ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 877ba03..bd27fbc 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -482,6 +482,7 @@ enum NET_IPV4_CONF_ARP_ACCEPT=21, NET_IPV4_CONF_ARP_NOTIFY=22, NET_IPV4_CONF_ACCEPT_LOCAL=23, + NET_IPV4_CONF_SRC_VMARK=24, __NET_IPV4_CONF_MAX }; diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 9d68fed..cfa8308 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -99,8 +99,9 @@ int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr); int __must_check sysfs_create_bin_file(struct kobject *kobj, - struct bin_attribute *attr); -void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr); + const struct bin_attribute *attr); +void sysfs_remove_bin_file(struct kobject *kobj, + const struct bin_attribute *attr); int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target, const char *name); @@ -175,13 +176,13 @@ static inline void sysfs_remove_file(struct kobject *kobj, } static inline int sysfs_create_bin_file(struct kobject *kobj, - struct bin_attribute *attr) + const struct bin_attribute *attr) { return 0; } static inline void sysfs_remove_bin_file(struct kobject *kobj, - struct bin_attribute *attr) + const struct bin_attribute *attr) { } diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index acf6e45..1819396 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -16,6 +16,7 @@ #include <linux/kref.h> #include <linux/mutex.h> #include <linux/sysrq.h> +#include <linux/kfifo.h> #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ #define SERIAL_TTY_MINORS 254 /* loads of devices :) */ @@ -94,7 +95,7 @@ struct usb_serial_port { unsigned char *bulk_out_buffer; int bulk_out_size; struct urb *write_urb; - struct kfifo *write_fifo; + struct kfifo write_fifo; int write_urb_busy; __u8 bulk_out_endpointAddress; diff --git a/include/linux/writeback.h b/include/linux/writeback.h index c18c008..76e8903 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -70,6 +70,7 @@ struct writeback_control { struct bdi_writeback; int inode_wait(void *); void writeback_inodes_sb(struct super_block *); +int writeback_inodes_sb_if_idle(struct super_block *); void sync_inodes_sb(struct super_block *); void writeback_inodes_wbc(struct writeback_control *wbc); long wb_do_writeback(struct bdi_writeback *wb, int force_wait); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 2aff490..0bf3697 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -547,7 +547,6 @@ enum mac80211_rx_flags { * unspecified depending on the hardware capabilities flags * @IEEE80211_HW_SIGNAL_* * @noise: noise when receiving this frame, in dBm. - * @qual: overall signal quality indication, in percent (0-100). * @antenna: antenna used * @rate_idx: index of data rate into band's supported rates or MCS index if * HT rates are use (RX_FLAG_HT) @@ -559,7 +558,6 @@ struct ieee80211_rx_status { int freq; int signal; int noise; - int __deprecated qual; int antenna; int rate_idx; int flag; @@ -1737,6 +1735,12 @@ static inline void ieee80211_rx_ni(struct ieee80211_hw *hw, local_bh_enable(); } +/* + * The TX headroom reserved by mac80211 for its own tx_status functions. + * This is enough for the radiotap header. + */ +#define IEEE80211_TX_STATUS_HEADROOM 13 + /** * ieee80211_tx_status - transmit status callback * diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7394e3b..ff92b46 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -28,6 +28,7 @@ #include <linux/mutex.h> #include <linux/timer.h> #include <linux/workqueue.h> +#include <linux/kfifo.h> #include <scsi/iscsi_proto.h> #include <scsi/iscsi_if.h> #include <scsi/scsi_transport_iscsi.h> @@ -231,7 +232,7 @@ struct iscsi_conn { }; struct iscsi_pool { - struct kfifo *queue; /* FIFO Queue */ + struct kfifo queue; /* FIFO Queue */ void **pool; /* Pool of elements */ int max; /* Max number of elements */ }; diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h index 9e3182e..741ae7e 100644 --- a/include/scsi/libiscsi_tcp.h +++ b/include/scsi/libiscsi_tcp.h @@ -80,7 +80,7 @@ struct iscsi_tcp_task { int data_offset; struct iscsi_r2t_info *r2t; /* in progress solict R2T */ struct iscsi_pool r2tpool; - struct kfifo *r2tqueue; + struct kfifo r2tqueue; void *dd_data; }; diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h index ba615e4..f4105c9 100644 --- a/include/scsi/libsrp.h +++ b/include/scsi/libsrp.h @@ -2,6 +2,7 @@ #define __LIBSRP_H__ #include <linux/list.h> +#include <linux/kfifo.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_host.h> #include <scsi/srp.h> @@ -21,7 +22,7 @@ struct srp_buf { struct srp_queue { void *pool; void *items; - struct kfifo *queue; + struct kfifo queue; spinlock_t lock; }; diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 73523151..c6fe03e 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -414,7 +414,8 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ BUILD_BUG_ON(len > MAX_FILTER_STR_VAL); \ ret = trace_define_field(event_call, #type "[" #len "]", #item, \ offsetof(typeof(field), item), \ - sizeof(field.item), 0, FILTER_OTHER); \ + sizeof(field.item), \ + is_signed_type(type), FILTER_OTHER); \ if (ret) \ return ret; @@ -422,8 +423,8 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ #define __dynamic_array(type, item, len) \ ret = trace_define_field(event_call, "__data_loc " #type "[]", #item, \ offsetof(typeof(field), __data_loc_##item), \ - sizeof(field.__data_loc_##item), 0, \ - FILTER_OTHER); + sizeof(field.__data_loc_##item), \ + is_signed_type(type), FILTER_OTHER); #undef __string #define __string(item, src) __dynamic_array(char, item, -1) |