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[SCSI] Merge branch 'linus'

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Conflicts:
	drivers/message/fusion/mptsas.c

fixed up conflict between req->data_len accessors and mptsas driver updates.

Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
James Bottomley 2009-06-12 10:02:03 -05:00
commit 82681a318f
1794 changed files with 103107 additions and 34819 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/Kbuild
View file

@ -8,3 +8,4 @@ header-y += mtd/
header-y += rdma/
header-y += video/
header-y += drm/
header-y += xen/

2
include/asm-generic/atomic.h
View file

@ -134,7 +134,7 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
#define atomic_long_cmpxchg(l, old, new) \
(atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
(atomic64_xchg((atomic64_t *)(l), (new)))
(atomic64_xchg((atomic64_t *)(v), (new)))
#else /* BITS_PER_LONG == 64 */

21
include/asm-generic/pgtable.h
View file

@ -280,17 +280,18 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm,
#endif
/*
* A facility to provide batching of the reload of page tables with the
* actual context switch code for paravirtualized guests. By convention,
* only one of the lazy modes (CPU, MMU) should be active at any given
* time, entry should never be nested, and entry and exits should always
* be paired. This is for sanity of maintaining and reasoning about the
* kernel code.
* A facility to provide batching of the reload of page tables and
* other process state with the actual context switch code for
* paravirtualized guests. By convention, only one of the batched
* update (lazy) modes (CPU, MMU) should be active at any given time,
* entry should never be nested, and entry and exits should always be
* paired. This is for sanity of maintaining and reasoning about the
* kernel code. In this case, the exit (end of the context switch) is
* in architecture-specific code, and so doesn't need a generic
* definition.
*/
#ifndef __HAVE_ARCH_ENTER_LAZY_CPU_MODE
#define arch_enter_lazy_cpu_mode() do {} while (0)
#define arch_leave_lazy_cpu_mode() do {} while (0)
#define arch_flush_lazy_cpu_mode() do {} while (0)
#ifndef __HAVE_ARCH_START_CONTEXT_SWITCH
#define arch_start_context_switch(prev) do {} while (0)
#endif
#ifndef __HAVE_PFNMAP_TRACKING

2
include/asm-generic/vmlinux.lds.h
View file

@ -63,7 +63,7 @@
#define BRANCH_PROFILE()
#endif
#ifdef CONFIG_EVENT_TRACER
#ifdef CONFIG_EVENT_TRACING
#define FTRACE_EVENTS() VMLINUX_SYMBOL(__start_ftrace_events) = .; \
*(_ftrace_events) \
VMLINUX_SYMBOL(__stop_ftrace_events) = .;

24
include/drm/drmP.h
View file

@ -1519,6 +1519,30 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
{
return kcalloc(nmemb, size, GFP_KERNEL);
}
static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
{
u8 *addr;
if (size <= PAGE_SIZE)
return kcalloc(nmemb, size, GFP_KERNEL);
addr = vmalloc(nmemb * size);
if (!addr)
return NULL;
memset(addr, 0, nmemb * size);
return addr;
}
static __inline void drm_free_large(void *ptr)
{
if (!is_vmalloc_addr(ptr))
return kfree(ptr);
vfree(ptr);
}
#else
extern void *drm_alloc(size_t size, int area);
extern void drm_free(void *pt, size_t size, int area);

3
include/drm/drm_crtc.h
View file

@ -471,6 +471,9 @@ struct drm_connector {
u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
/* requested DPMS state */
int dpms;
void *helper_private;
uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];

2
include/drm/drm_crtc_helper.h
View file

@ -99,6 +99,8 @@ extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_framebuffer *old_fb);
extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd *mode_cmd);

2
include/linux/Kbuild
View file

@ -135,6 +135,7 @@ header-y += posix_types.h
header-y += ppdev.h
header-y += prctl.h
header-y += qnxtypes.h
header-y += qnx4_fs.h
header-y += radeonfb.h
header-y += raw.h
header-y += resource.h
@ -308,7 +309,6 @@ unifdef-y += poll.h
unifdef-y += ppp_defs.h
unifdef-y += ppp-comp.h
unifdef-y += ptrace.h
unifdef-y += qnx4_fs.h
unifdef-y += quota.h
unifdef-y += random.h
unifdef-y += irqnr.h

2
include/linux/acpi.h
View file

@ -119,7 +119,7 @@ extern int pci_mmcfg_config_num;
extern int sbf_port;
extern unsigned long acpi_realmode_flags;
int acpi_register_gsi (u32 gsi, int triggering, int polarity);
int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
#ifdef CONFIG_X86_IO_APIC

2
include/linux/amba/bus.h
View file

@ -28,7 +28,7 @@ struct amba_id {
struct amba_driver {
struct device_driver drv;
int (*probe)(struct amba_device *, void *);
int (*probe)(struct amba_device *, struct amba_id *);
int (*remove)(struct amba_device *);
void (*shutdown)(struct amba_device *);
int (*suspend)(struct amba_device *, pm_message_t);

1
include/linux/amba/serial.h
View file

@ -159,6 +159,7 @@
#define UART01x_FR_MODEM_ANY (UART01x_FR_DCD|UART01x_FR_DSR|UART01x_FR_CTS)
#ifndef __ASSEMBLY__
struct amba_device; /* in uncompress this is included but amba/bus.h is not */
struct amba_pl010_data {
void (*set_mctrl)(struct amba_device *dev, void __iomem *base, unsigned int mctrl);
};

3
include/linux/auto_fs.h
View file

@ -14,13 +14,12 @@
#ifndef _LINUX_AUTO_FS_H
#define _LINUX_AUTO_FS_H
#include <linux/types.h>
#ifdef __KERNEL__
#include <linux/fs.h>
#include <linux/limits.h>
#include <linux/types.h>
#include <linux/ioctl.h>
#else
#include <asm/types.h>
#include <sys/ioctl.h>
#endif /* __KERNEL__ */

10
include/linux/bio.h
View file

@ -218,12 +218,12 @@ struct bio {
#define bio_sectors(bio) ((bio)->bi_size >> 9)
#define bio_empty_barrier(bio) (bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio))
static inline unsigned int bio_cur_sectors(struct bio *bio)
static inline unsigned int bio_cur_bytes(struct bio *bio)
{
if (bio->bi_vcnt)
return bio_iovec(bio)->bv_len >> 9;
return bio_iovec(bio)->bv_len;
else /* dataless requests such as discard */
return bio->bi_size >> 9;
return bio->bi_size;
}
static inline void *bio_data(struct bio *bio)
@ -279,7 +279,7 @@ static inline int bio_has_allocated_vec(struct bio *bio)
#define __BIO_SEG_BOUNDARY(addr1, addr2, mask) \
(((addr1) | (mask)) == (((addr2) - 1) | (mask)))
#define BIOVEC_SEG_BOUNDARY(q, b1, b2) \
__BIO_SEG_BOUNDARY(bvec_to_phys((b1)), bvec_to_phys((b2)) + (b2)->bv_len, (q)->seg_boundary_mask)
__BIO_SEG_BOUNDARY(bvec_to_phys((b1)), bvec_to_phys((b2)) + (b2)->bv_len, queue_segment_boundary((q)))
#define BIO_SEG_BOUNDARY(q, b1, b2) \
BIOVEC_SEG_BOUNDARY((q), __BVEC_END((b1)), __BVEC_START((b2)))
@ -506,7 +506,7 @@ static inline int bio_has_data(struct bio *bio)
}
/*
* BIO list managment for use by remapping drivers (e.g. DM or MD).
* BIO list management for use by remapping drivers (e.g. DM or MD) and loop.
*
* A bio_list anchors a singly-linked list of bios chained through the bi_next
* member of the bio. The bio_list also caches the last list member to allow

245
include/linux/blkdev.h
View file

@ -166,19 +166,9 @@ struct request {
enum rq_cmd_type_bits cmd_type;
unsigned long atomic_flags;
/* Maintain bio traversal state for part by part I/O submission.
* hard_* are block layer internals, no driver should touch them!
*/
sector_t sector; /* next sector to submit */
sector_t hard_sector; /* next sector to complete */
unsigned long nr_sectors; /* no. of sectors left to submit */
unsigned long hard_nr_sectors; /* no. of sectors left to complete */
/* no. of sectors left to submit in the current segment */
unsigned int current_nr_sectors;
/* no. of sectors left to complete in the current segment */
unsigned int hard_cur_sectors;
/* the following two fields are internal, NEVER access directly */
sector_t __sector; /* sector cursor */
unsigned int __data_len; /* total data len */
struct bio *bio;
struct bio *biotail;
@ -211,8 +201,8 @@ struct request {
unsigned short ioprio;
void *special;
char *buffer;
void *special; /* opaque pointer available for LLD use */
char *buffer; /* kaddr of the current segment if available */
int tag;
int errors;
@ -226,10 +216,9 @@ struct request {
unsigned char __cmd[BLK_MAX_CDB];
unsigned char *cmd;
unsigned int data_len;
unsigned int extra_len; /* length of alignment and padding */
unsigned int sense_len;
void *data;
unsigned int resid_len; /* residual count */
void *sense;
unsigned long deadline;
@ -318,6 +307,26 @@ struct blk_cmd_filter {
struct kobject kobj;
};
struct queue_limits {
unsigned long bounce_pfn;
unsigned long seg_boundary_mask;
unsigned int max_hw_sectors;
unsigned int max_sectors;
unsigned int max_segment_size;
unsigned int physical_block_size;
unsigned int alignment_offset;
unsigned int io_min;
unsigned int io_opt;
unsigned short logical_block_size;
unsigned short max_hw_segments;
unsigned short max_phys_segments;
unsigned char misaligned;
unsigned char no_cluster;
};
struct request_queue
{
/*
@ -369,7 +378,6 @@ struct request_queue
/*
* queue needs bounce pages for pages above this limit
*/
unsigned long bounce_pfn;
gfp_t bounce_gfp;
/*
@ -398,14 +406,6 @@ struct request_queue
unsigned int nr_congestion_off;
unsigned int nr_batching;
unsigned int max_sectors;
unsigned int max_hw_sectors;
unsigned short max_phys_segments;
unsigned short max_hw_segments;
unsigned short hardsect_size;
unsigned int max_segment_size;
unsigned long seg_boundary_mask;
void *dma_drain_buffer;
unsigned int dma_drain_size;
unsigned int dma_pad_mask;
@ -415,12 +415,14 @@ struct request_queue
struct list_head tag_busy_list;
unsigned int nr_sorted;
unsigned int in_flight;
unsigned int in_flight[2];
unsigned int rq_timeout;
struct timer_list timeout;
struct list_head timeout_list;
struct queue_limits limits;
/*
* sg stuff
*/
@ -522,6 +524,11 @@ static inline void queue_flag_clear_unlocked(unsigned int flag,
__clear_bit(flag, &q->queue_flags);
}
static inline int queue_in_flight(struct request_queue *q)
{
return q->in_flight[0] + q->in_flight[1];
}
static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
{
WARN_ON_ONCE(!queue_is_locked(q));
@ -752,10 +759,17 @@ extern void blk_rq_init(struct request_queue *q, struct request *rq);
extern void blk_put_request(struct request *);
extern void __blk_put_request(struct request_queue *, struct request *);
extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern struct request *blk_make_request(struct request_queue *, struct bio *,
gfp_t);
extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
extern int blk_lld_busy(struct request_queue *q);
extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
struct bio_set *bs, gfp_t gfp_mask,
int (*bio_ctr)(struct bio *, struct bio *, void *),
void *data);
extern void blk_rq_unprep_clone(struct request *rq);
extern int blk_insert_cloned_request(struct request_queue *q,
struct request *rq);
extern void blk_plug_device(struct request_queue *);
@ -767,12 +781,6 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
struct scsi_ioctl_command __user *);
/*
* Temporary export, until SCSI gets fixed up.
*/
extern int blk_rq_append_bio(struct request_queue *q, struct request *rq,
struct bio *bio);
/*
* A queue has just exitted congestion. Note this in the global counter of
* congested queues, and wake up anyone who was waiting for requests to be
@ -798,7 +806,6 @@ extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
extern void __blk_run_queue(struct request_queue *);
extern void blk_run_queue(struct request_queue *);
extern void blk_start_queueing(struct request_queue *);
extern int blk_rq_map_user(struct request_queue *, struct request *,
struct rq_map_data *, void __user *, unsigned long,
gfp_t);
@ -831,41 +838,73 @@ static inline void blk_run_address_space(struct address_space *mapping)
blk_run_backing_dev(mapping->backing_dev_info, NULL);
}
extern void blkdev_dequeue_request(struct request *req);
/*
* blk_rq_pos() : the current sector
* blk_rq_bytes() : bytes left in the entire request
* blk_rq_cur_bytes() : bytes left in the current segment
* blk_rq_sectors() : sectors left in the entire request
* blk_rq_cur_sectors() : sectors left in the current segment
*/
static inline sector_t blk_rq_pos(const struct request *rq)
{
return rq->__sector;
}
static inline unsigned int blk_rq_bytes(const struct request *rq)
{
return rq->__data_len;
}
static inline int blk_rq_cur_bytes(const struct request *rq)
{
return rq->bio ? bio_cur_bytes(rq->bio) : 0;
}
static inline unsigned int blk_rq_sectors(const struct request *rq)
{
return blk_rq_bytes(rq) >> 9;
}
static inline unsigned int blk_rq_cur_sectors(const struct request *rq)
{
return blk_rq_cur_bytes(rq) >> 9;
}
/*
* blk_end_request() and friends.
* __blk_end_request() and end_request() must be called with
* the request queue spinlock acquired.
* Request issue related functions.
*/
extern struct request *blk_peek_request(struct request_queue *q);
extern void blk_start_request(struct request *rq);
extern struct request *blk_fetch_request(struct request_queue *q);
/*
* Request completion related functions.
*
* blk_update_request() completes given number of bytes and updates
* the request without completing it.
*
* blk_end_request() and friends. __blk_end_request() must be called
* with the request queue spinlock acquired.
*
* Several drivers define their own end_request and call
* blk_end_request() for parts of the original function.
* This prevents code duplication in drivers.
*/
extern int blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern int __blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern int blk_end_bidi_request(struct request *rq, int error,
unsigned int nr_bytes, unsigned int bidi_bytes);
extern void end_request(struct request *, int);
extern int blk_end_request_callback(struct request *rq, int error,
unsigned int nr_bytes,
int (drv_callback)(struct request *));
extern bool blk_update_request(struct request *rq, int error,
unsigned int nr_bytes);
extern bool blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern void blk_end_request_all(struct request *rq, int error);
extern bool blk_end_request_cur(struct request *rq, int error);
extern bool __blk_end_request(struct request *rq, int error,
unsigned int nr_bytes);
extern void __blk_end_request_all(struct request *rq, int error);
extern bool __blk_end_request_cur(struct request *rq, int error);
extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
extern void blk_abort_queue(struct request_queue *);
extern void blk_update_request(struct request *rq, int error,
unsigned int nr_bytes);
/*
* blk_end_request() takes bytes instead of sectors as a complete size.
* blk_rq_bytes() returns bytes left to complete in the entire request.
* blk_rq_cur_bytes() returns bytes left to complete in the current segment.
*/
extern unsigned int blk_rq_bytes(struct request *rq);
extern unsigned int blk_rq_cur_bytes(struct request *rq);
/*
* Access functions for manipulating queue properties
@ -877,10 +916,20 @@ extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_queue_max_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_phys_segments(struct request_queue *, unsigned short);
extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short);
extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
extern void blk_queue_hardsect_size(struct request_queue *, unsigned short);
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_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
sector_t offset);
extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
extern void blk_queue_dma_pad(struct request_queue *, unsigned int);
extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
@ -967,19 +1016,87 @@ extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
#define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
static inline int queue_hardsect_size(struct request_queue *q)
static inline unsigned long queue_bounce_pfn(struct request_queue *q)
{
return q->limits.bounce_pfn;
}
static inline unsigned long queue_segment_boundary(struct request_queue *q)
{
return q->limits.seg_boundary_mask;
}
static inline unsigned int queue_max_sectors(struct request_queue *q)
{
return q->limits.max_sectors;
}
static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
{
return q->limits.max_hw_sectors;
}
static inline unsigned short queue_max_hw_segments(struct request_queue *q)
{
return q->limits.max_hw_segments;
}
static inline unsigned short queue_max_phys_segments(struct request_queue *q)
{
return q->limits.max_phys_segments;
}
static inline unsigned int queue_max_segment_size(struct request_queue *q)
{
return q->limits.max_segment_size;
}
static inline unsigned short queue_logical_block_size(struct request_queue *q)
{
int retval = 512;
if (q && q->hardsect_size)
retval = q->hardsect_size;
if (q && q->limits.logical_block_size)
retval = q->limits.logical_block_size;
return retval;
}
static inline int bdev_hardsect_size(struct block_device *bdev)
static inline unsigned short bdev_logical_block_size(struct block_device *bdev)
{
return queue_hardsect_size(bdev_get_queue(bdev));
return queue_logical_block_size(bdev_get_queue(bdev));
}
static inline unsigned int queue_physical_block_size(struct request_queue *q)
{
return q->limits.physical_block_size;
}
static inline unsigned int queue_io_min(struct request_queue *q)
{
return q->limits.io_min;
}
static inline unsigned int queue_io_opt(struct request_queue *q)
{
return q->limits.io_opt;
}
static inline int queue_alignment_offset(struct request_queue *q)
{
if (q && q->limits.misaligned)
return -1;
if (q && q->limits.alignment_offset)
return q->limits.alignment_offset;
return 0;
}
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);
}
static inline int queue_dma_alignment(struct request_queue *q)

45
include/linux/blktrace_api.h
View file

@ -116,9 +116,9 @@ struct blk_io_trace {
* The remap event
*/
struct blk_io_trace_remap {
__be32 device;
__be32 device_from;
__be64 sector;
__be32 device_to;
__be64 sector_from;
};
enum {
@ -165,8 +165,9 @@ struct blk_trace {
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *);
extern int do_blk_trace_setup(struct request_queue *q,
char *name, dev_t dev, struct blk_user_trace_setup *buts);
extern int do_blk_trace_setup(struct request_queue *q, char *name,
dev_t dev, struct block_device *bdev,
struct blk_user_trace_setup *buts);
extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
/**
@ -193,22 +194,42 @@ extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
extern void blk_add_driver_data(struct request_queue *q, struct request *rq,
void *data, size_t len);
extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
struct block_device *bdev,
char __user *arg);
extern int blk_trace_startstop(struct request_queue *q, int start);
extern int blk_trace_remove(struct request_queue *q);
extern int blk_trace_init_sysfs(struct device *dev);
extern struct attribute_group blk_trace_attr_group;
#else /* !CONFIG_BLK_DEV_IO_TRACE */
#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
#define blk_trace_shutdown(q) do { } while (0)
#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY)
#define blk_add_driver_data(q, rq, data, len) do {} while (0)
#define blk_trace_setup(q, name, dev, arg) (-ENOTTY)
#define blk_trace_startstop(q, start) (-ENOTTY)
#define blk_trace_remove(q) (-ENOTTY)
#define blk_add_trace_msg(q, fmt, ...) do { } while (0)
# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
# define blk_trace_shutdown(q) do { } while (0)
# define do_blk_trace_setup(q, name, dev, bdev, buts) (-ENOTTY)
# define blk_add_driver_data(q, rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY)
# define blk_trace_remove(q) (-ENOTTY)
# define blk_add_trace_msg(q, fmt, ...) do { } while (0)
static inline int blk_trace_init_sysfs(struct device *dev)
{
return 0;
}
#endif /* CONFIG_BLK_DEV_IO_TRACE */
#if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK)
static inline int blk_cmd_buf_len(struct request *rq)
{
return blk_pc_request(rq) ? rq->cmd_len * 3 : 1;
}
extern void blk_dump_cmd(char *buf, struct request *rq);
extern void blk_fill_rwbs(char *rwbs, u32 rw, int bytes);
extern void blk_fill_rwbs_rq(char *rwbs, struct request *rq);
#endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */
#endif /* __KERNEL__ */
#endif

2
include/linux/cdev.h
View file

@ -28,6 +28,8 @@ int cdev_add(struct cdev *, dev_t, unsigned);
void cdev_del(struct cdev *);
int cdev_index(struct inode *inode);
void cd_forget(struct inode *);
extern struct backing_dev_info directly_mappable_cdev_bdi;

10
include/linux/clocksource.h
View file

@ -288,7 +288,15 @@ static inline cycle_t clocksource_read(struct clocksource *cs)
*/
static inline int clocksource_enable(struct clocksource *cs)
{
return cs->enable ? cs->enable(cs) : 0;
int ret = 0;
if (cs->enable)
ret = cs->enable(cs);
/* save mult_orig on enable */
cs->mult_orig = cs->mult;
return ret;
}
/**

2
include/linux/compat.h
View file

@ -222,6 +222,8 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);
static inline int compat_timeval_compare(struct compat_timeval *lhs,
struct compat_timeval *rhs)

15
include/linux/cpumask.h
View file

@ -1022,6 +1022,8 @@ typedef struct cpumask *cpumask_var_t;
bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
void alloc_bootmem_cpumask_var(cpumask_var_t *mask);
void free_cpumask_var(cpumask_var_t mask);
void free_bootmem_cpumask_var(cpumask_var_t mask);
@ -1040,6 +1042,19 @@ static inline bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
return true;
}
static inline bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
{
cpumask_clear(*mask);
return true;
}
static inline bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
int node)
{
cpumask_clear(*mask);
return true;
}
static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask)
{
}

3
include/linux/cramfs_fs.h
View file

@ -2,9 +2,8 @@
#define __CRAMFS_H
#include <linux/types.h>
#include <linux/magic.h>
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
#define CRAMFS_SIGNATURE "Compressed ROMFS"
/*

1
include/linux/cred.h
View file

@ -13,6 +13,7 @@
#define _LINUX_CRED_H
#include <linux/capability.h>
#include <linux/init.h>
#include <linux/key.h>
#include <asm/atomic.h>

37
include/linux/cyclades.h
View file

@ -142,19 +142,6 @@ struct CYZ_BOOT_CTRL {
#ifndef DP_WINDOW_SIZE
/* #include "cyclomz.h" */
/****************** ****************** *******************/
/*
* The data types defined below are used in all ZFIRM interface
* data structures. They accomodate differences between HW
* architectures and compilers.
*/
typedef __u64 ucdouble; /* 64 bits, unsigned */
typedef __u32 uclong; /* 32 bits, unsigned */
typedef __u16 ucshort; /* 16 bits, unsigned */
typedef __u8 ucchar; /* 8 bits, unsigned */
/*
* Memory Window Sizes
*/
@ -507,16 +494,20 @@ struct ZFW_CTRL {
/* Per card data structure */
struct cyclades_card {
void __iomem *base_addr;
void __iomem *ctl_addr;
int irq;
unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
unsigned int first_line; /* minor number of first channel on card */
unsigned int nports; /* Number of ports in the card */
int bus_index; /* address shift - 0 for ISA, 1 for PCI */
int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */
spinlock_t card_lock;
struct cyclades_port *ports;
void __iomem *base_addr;
union {
void __iomem *p9050;
struct RUNTIME_9060 __iomem *p9060;
} ctl_addr;
int irq;
unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
unsigned int first_line; /* minor number of first channel on card */
unsigned int nports; /* Number of ports in the card */
int bus_index; /* address shift - 0 for ISA, 1 for PCI */
int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */
u32 hw_ver;
spinlock_t card_lock;
struct cyclades_port *ports;
};
/***************************************

11
include/linux/dcache.h
View file

@ -180,10 +180,12 @@ d_iput: no no no yes
#define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
#define DCACHE_UNHASHED 0x0010
#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020 /* Parent inode is watched */
#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020 /* Parent inode is watched by inotify */
#define DCACHE_COOKIE 0x0040 /* For use by dcookie subsystem */
#define DCACHE_FSNOTIFY_PARENT_WATCHED 0x0080 /* Parent inode is watched by some fsnotify listener */
extern spinlock_t dcache_lock;
extern seqlock_t rename_lock;
@ -351,6 +353,11 @@ static inline int d_unhashed(struct dentry *dentry)
return (dentry->d_flags & DCACHE_UNHASHED);
}
static inline int d_unlinked(struct dentry *dentry)
{
return d_unhashed(dentry) && !IS_ROOT(dentry);
}
static inline struct dentry *dget_parent(struct dentry *dentry)
{
struct dentry *ret;
@ -368,7 +375,7 @@ static inline int d_mountpoint(struct dentry *dentry)
return dentry->d_mounted;
}
extern struct vfsmount *lookup_mnt(struct vfsmount *, struct dentry *);
extern struct vfsmount *lookup_mnt(struct path *);
extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
extern int sysctl_vfs_cache_pressure;

2
include/linux/device-mapper.h
View file

@ -149,7 +149,7 @@ struct io_restrictions {
unsigned max_hw_sectors;
unsigned max_sectors;
unsigned max_segment_size;
unsigned short hardsect_size;
unsigned short logical_block_size;
unsigned short max_hw_segments;
unsigned short max_phys_segments;
unsigned char no_cluster; /* inverted so that 0 is default */

7
include/linux/dma-debug.h
View file

@ -32,6 +32,8 @@ extern void dma_debug_add_bus(struct bus_type *bus);
extern void dma_debug_init(u32 num_entries);
extern int dma_debug_resize_entries(u32 num_entries);
extern void debug_dma_map_page(struct device *dev, struct page *page,
size_t offset, size_t size,
int direction, dma_addr_t dma_addr,
@ -91,6 +93,11 @@ static inline void dma_debug_init(u32 num_entries)
{
}
static inline int dma_debug_resize_entries(u32 num_entries)
{
return 0;
}
static inline void debug_dma_map_page(struct device *dev, struct page *page,
size_t offset, size_t size,
int direction, dma_addr_t dma_addr,

3
include/linux/dmar.h
View file

@ -108,6 +108,7 @@ struct irte {
};
#ifdef CONFIG_INTR_REMAP
extern int intr_remapping_enabled;
extern int intr_remapping_supported(void);
extern int enable_intr_remapping(int);
extern void disable_intr_remapping(void);
extern int reenable_intr_remapping(int);
@ -157,6 +158,8 @@ static inline struct intel_iommu *map_ioapic_to_ir(int apic)
}
#define irq_remapped(irq) (0)
#define enable_intr_remapping(mode) (-1)
#define disable_intr_remapping() (0)
#define reenable_intr_remapping(mode) (0)
#define intr_remapping_enabled (0)
#endif

29
include/linux/dnotify.h
View file

@ -10,7 +10,7 @@
struct dnotify_struct {
struct dnotify_struct * dn_next;
unsigned long dn_mask;
__u32 dn_mask;
int dn_fd;
struct file * dn_filp;
fl_owner_t dn_owner;
@ -21,23 +21,18 @@ struct dnotify_struct {
#ifdef CONFIG_DNOTIFY
extern void __inode_dir_notify(struct inode *, unsigned long);
#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
FS_MODIFY | FS_MODIFY_CHILD |\
FS_ACCESS | FS_ACCESS_CHILD |\
FS_ATTRIB | FS_ATTRIB_CHILD |\
FS_CREATE | FS_DN_RENAME |\
FS_MOVED_FROM | FS_MOVED_TO)
extern void dnotify_flush(struct file *, fl_owner_t);
extern int fcntl_dirnotify(int, struct file *, unsigned long);
extern void dnotify_parent(struct dentry *, unsigned long);
static inline void inode_dir_notify(struct inode *inode, unsigned long event)
{
if (inode->i_dnotify_mask & (event))
__inode_dir_notify(inode, event);
}
#else
static inline void __inode_dir_notify(struct inode *inode, unsigned long event)
{
}
static inline void dnotify_flush(struct file *filp, fl_owner_t id)
{
}
@ -47,14 +42,6 @@ static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
return -EINVAL;
}
static inline void dnotify_parent(struct dentry *dentry, unsigned long event)
{
}
static inline void inode_dir_notify(struct inode *inode, unsigned long event)
{
}
#endif /* CONFIG_DNOTIFY */
#endif /* __KERNEL __ */

4
include/linux/elevator.h
View file

@ -103,10 +103,8 @@ extern int elv_merge(struct request_queue *, struct request **, struct bio *);
extern void elv_merge_requests(struct request_queue *, struct request *,
struct request *);
extern void elv_merged_request(struct request_queue *, struct request *, int);
extern void elv_dequeue_request(struct request_queue *, struct request *);
extern void elv_requeue_request(struct request_queue *, struct request *);
extern int elv_queue_empty(struct request_queue *);
extern struct request *elv_next_request(struct request_queue *q);
extern struct request *elv_former_request(struct request_queue *, struct request *);
extern struct request *elv_latter_request(struct request_queue *, struct request *);
extern int elv_register_queue(struct request_queue *q);
@ -171,7 +169,7 @@ enum {
ELV_MQUEUE_MUST,
};
#define rq_end_sector(rq) ((rq)->sector + (rq)->nr_sectors)
#define rq_end_sector(rq) (blk_rq_pos(rq) + blk_rq_sectors(rq))
#define rb_entry_rq(node) rb_entry((node), struct request, rb_node)
/*

29
include/linux/fs.h
View file

@ -729,8 +729,8 @@ struct inode {
struct timespec i_atime;
struct timespec i_mtime;
struct timespec i_ctime;
unsigned int i_blkbits;
blkcnt_t i_blocks;
unsigned int i_blkbits;
unsigned short i_bytes;
umode_t i_mode;
spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
@ -751,13 +751,12 @@ struct inode {
struct block_device *i_bdev;
struct cdev *i_cdev;
};
int i_cindex;
__u32 i_generation;
#ifdef CONFIG_DNOTIFY
unsigned long i_dnotify_mask; /* Directory notify events */
struct dnotify_struct *i_dnotify; /* for directory notifications */
#ifdef CONFIG_FSNOTIFY
__u32 i_fsnotify_mask; /* all events this inode cares about */
struct hlist_head i_fsnotify_mark_entries; /* fsnotify mark entries */
#endif
#ifdef CONFIG_INOTIFY
@ -1321,7 +1320,7 @@ struct super_block {
struct rw_semaphore s_umount;
struct mutex s_lock;
int s_count;
int s_need_sync_fs;
int s_need_sync;
atomic_t s_active;
#ifdef CONFIG_SECURITY
void *s_security;
@ -1372,11 +1371,6 @@ struct super_block {
* generic_show_options()
*/
char *s_options;
/*
* storage for asynchronous operations
*/
struct list_head s_async_list;
};
extern struct timespec current_fs_time(struct super_block *sb);
@ -1800,7 +1794,7 @@ extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
extern long do_mount(char *, char *, char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(struct vfsmount *, struct dentry *);
extern struct vfsmount *collect_mounts(struct path *);
extern void drop_collected_mounts(struct vfsmount *);
extern int vfs_statfs(struct dentry *, struct kstatfs *);
@ -1947,8 +1941,6 @@ extern struct super_block *freeze_bdev(struct block_device *);
extern void emergency_thaw_all(void);
extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
extern int fsync_bdev(struct block_device *);
extern int fsync_super(struct super_block *);
extern int fsync_no_super(struct block_device *);
#else
static inline void bd_forget(struct inode *inode) {}
static inline int sync_blockdev(struct block_device *bdev) { return 0; }
@ -1964,6 +1956,7 @@ static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)
return 0;
}
#endif
extern int sync_filesystem(struct super_block *);
extern const struct file_operations def_blk_fops;
extern const struct file_operations def_chr_fops;
extern const struct file_operations bad_sock_fops;
@ -2082,12 +2075,8 @@ extern int filemap_fdatawrite_range(struct address_space *mapping,
extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
extern void sync_supers(void);
extern void sync_filesystems(int wait);
extern void __fsync_super(struct super_block *sb);
extern void emergency_sync(void);
extern void emergency_remount(void);
extern int do_remount_sb(struct super_block *sb, int flags,
void *data, int force);
#ifdef CONFIG_BLOCK
extern sector_t bmap(struct inode *, sector_t);
#endif
@ -2205,6 +2194,8 @@ extern int generic_segment_checks(const struct iovec *iov,
/* fs/splice.c */
extern ssize_t generic_file_splice_read(struct file *, loff_t *,
struct pipe_inode_info *, size_t, unsigned int);
extern ssize_t default_file_splice_read(struct file *, loff_t *,
struct pipe_inode_info *, size_t, unsigned int);
extern ssize_t generic_file_splice_write(struct pipe_inode_info *,
struct file *, loff_t *, size_t, unsigned int);
extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
@ -2354,6 +2345,8 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
loff_t *ppos, const void *from, size_t available);
extern int simple_fsync(struct file *, struct dentry *, int);
#ifdef CONFIG_MIGRATION
extern int buffer_migrate_page(struct address_space *,
struct page *, struct page *);

199
include/linux/fsnotify.h
View file

@ -13,6 +13,7 @@
#include <linux/dnotify.h>
#include <linux/inotify.h>
#include <linux/fsnotify_backend.h>
#include <linux/audit.h>
/*
@ -22,18 +23,44 @@
static inline void fsnotify_d_instantiate(struct dentry *entry,
struct inode *inode)
{
__fsnotify_d_instantiate(entry, inode);
inotify_d_instantiate(entry, inode);
}
/* Notify this dentry's parent about a child's events. */
static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
{
__fsnotify_parent(dentry, mask);
inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
}
/*
* fsnotify_d_move - entry has been moved
* Called with dcache_lock and entry->d_lock held.
*/
static inline void fsnotify_d_move(struct dentry *entry)
{
/*
* On move we need to update entry->d_flags to indicate if the new parent
* cares about events from this entry.
*/
__fsnotify_update_dcache_flags(entry);
inotify_d_move(entry);
}
/*
* fsnotify_link_count - inode's link count changed
*/
static inline void fsnotify_link_count(struct inode *inode)
{
inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);
fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
/*
* fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
*/
@ -42,42 +69,62 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
int isdir, struct inode *target, struct dentry *moved)
{
struct inode *source = moved->d_inode;
u32 cookie = inotify_get_cookie();
u32 in_cookie = inotify_get_cookie();
u32 fs_cookie = fsnotify_get_cookie();
__u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM);
__u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO);
if (old_dir == new_dir)
inode_dir_notify(old_dir, DN_RENAME);
else {
inode_dir_notify(old_dir, DN_DELETE);
inode_dir_notify(new_dir, DN_CREATE);
old_dir_mask |= FS_DN_RENAME;
if (isdir) {
isdir = IN_ISDIR;
old_dir_mask |= FS_IN_ISDIR;
new_dir_mask |= FS_IN_ISDIR;
}
if (isdir)
isdir = IN_ISDIR;
inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name,
inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir, in_cookie, old_name,
source);
inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name,
inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, in_cookie, new_name,
source);
fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);
if (target) {
inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
inotify_inode_is_dead(target);
/* this is really a link_count change not a removal */
fsnotify_link_count(target);
}
if (source) {
inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
audit_inode_child(new_name, moved, new_dir);
}
/*
* fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
*/
static inline void fsnotify_inode_delete(struct inode *inode)
{
__fsnotify_inode_delete(inode);
}
/*
* fsnotify_nameremove - a filename was removed from a directory
*/
static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
{
__u32 mask = FS_DELETE;
if (isdir)
isdir = IN_ISDIR;
dnotify_parent(dentry, DN_DELETE);
inotify_dentry_parent_queue_event(dentry, IN_DELETE|isdir, 0, dentry->d_name.name);
mask |= FS_IN_ISDIR;
fsnotify_parent(dentry, mask);
}
/*
@ -87,14 +134,9 @@ static inline void fsnotify_inoderemove(struct inode *inode)
{
inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
inotify_inode_is_dead(inode);
}
/*
* fsnotify_link_count - inode's link count changed
*/
static inline void fsnotify_link_count(struct inode *inode)
{
inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);
fsnotify(inode, FS_DELETE_SELF, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
__fsnotify_inode_delete(inode);
}
/*
@ -102,10 +144,11 @@ static inline void fsnotify_link_count(struct inode *inode)
*/
static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
{
inode_dir_notify(inode, DN_CREATE);
inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
dentry->d_inode);
audit_inode_child(dentry->d_name.name, dentry, inode);
fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
}
/*
@ -115,11 +158,12 @@ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
*/
static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry)
{
inode_dir_notify(dir, DN_CREATE);
inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
inode);
fsnotify_link_count(inode);
audit_inode_child(new_dentry->d_name.name, new_dentry, dir);
fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0);
}
/*
@ -127,10 +171,13 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct
*/
static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
{
inode_dir_notify(inode, DN_CREATE);
inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0,
dentry->d_name.name, dentry->d_inode);
__u32 mask = (FS_CREATE | FS_IN_ISDIR);
struct inode *d_inode = dentry->d_inode;
inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode);
audit_inode_child(dentry->d_name.name, dentry, inode);
fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
}
/*
@ -139,14 +186,15 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
static inline void fsnotify_access(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
u32 mask = IN_ACCESS;
__u32 mask = FS_ACCESS;
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;
mask |= FS_IN_ISDIR;
dnotify_parent(dentry, DN_ACCESS);
inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
/*
@ -155,14 +203,15 @@ static inline void fsnotify_access(struct dentry *dentry)
static inline void fsnotify_modify(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
u32 mask = IN_MODIFY;
__u32 mask = FS_MODIFY;
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;
mask |= FS_IN_ISDIR;
dnotify_parent(dentry, DN_MODIFY);
inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
/*
@ -171,13 +220,15 @@ static inline void fsnotify_modify(struct dentry *dentry)
static inline void fsnotify_open(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
u32 mask = IN_OPEN;
__u32 mask = FS_OPEN;
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;
mask |= FS_IN_ISDIR;
inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
/*
@ -187,15 +238,16 @@ static inline void fsnotify_close(struct file *file)
{
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
const char *name = dentry->d_name.name;
fmode_t mode = file->f_mode;
u32 mask = (mode & FMODE_WRITE) ? IN_CLOSE_WRITE : IN_CLOSE_NOWRITE;
__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;
mask |= FS_IN_ISDIR;
inotify_dentry_parent_queue_event(dentry, mask, 0, name);
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
}
/*
@ -204,13 +256,15 @@ static inline void fsnotify_close(struct file *file)
static inline void fsnotify_xattr(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
u32 mask = IN_ATTRIB;
__u32 mask = FS_ATTRIB;
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;
mask |= FS_IN_ISDIR;
inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
/*
@ -220,50 +274,37 @@ static inline void fsnotify_xattr(struct dentry *dentry)
static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
{
struct inode *inode = dentry->d_inode;
int dn_mask = 0;
u32 in_mask = 0;
__u32 mask = 0;
if (ia_valid & ATTR_UID)
mask |= FS_ATTRIB;
if (ia_valid & ATTR_GID)
mask |= FS_ATTRIB;
if (ia_valid & ATTR_SIZE)
mask |= FS_MODIFY;
if (ia_valid & ATTR_UID) {
in_mask |= IN_ATTRIB;
dn_mask |= DN_ATTRIB;
}
if (ia_valid & ATTR_GID) {
in_mask |= IN_ATTRIB;
dn_mask |= DN_ATTRIB;
}
if (ia_valid & ATTR_SIZE) {
in_mask |= IN_MODIFY;
dn_mask |= DN_MODIFY;
}
/* both times implies a utime(s) call */
if ((ia_valid & (ATTR_ATIME | ATTR_MTIME)) == (ATTR_ATIME | ATTR_MTIME))
{
in_mask |= IN_ATTRIB;
dn_mask |= DN_ATTRIB;
} else if (ia_valid & ATTR_ATIME) {
in_mask |= IN_ACCESS;
dn_mask |= DN_ACCESS;
} else if (ia_valid & ATTR_MTIME) {
in_mask |= IN_MODIFY;
dn_mask |= DN_MODIFY;
}
if (ia_valid & ATTR_MODE) {
in_mask |= IN_ATTRIB;
dn_mask |= DN_ATTRIB;
}
mask |= FS_ATTRIB;
else if (ia_valid & ATTR_ATIME)
mask |= FS_ACCESS;
else if (ia_valid & ATTR_MTIME)
mask |= FS_MODIFY;
if (dn_mask)
dnotify_parent(dentry, dn_mask);
if (in_mask) {
if (ia_valid & ATTR_MODE)
mask |= FS_ATTRIB;
if (mask) {
if (S_ISDIR(inode->i_mode))
in_mask |= IN_ISDIR;
inotify_inode_queue_event(inode, in_mask, 0, NULL, NULL);
inotify_dentry_parent_queue_event(dentry, in_mask, 0,
dentry->d_name.name);
mask |= FS_IN_ISDIR;
inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
fsnotify_parent(dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
}
#ifdef CONFIG_INOTIFY /* inotify helpers */
#if defined(CONFIG_INOTIFY) || defined(CONFIG_FSNOTIFY) /* notify helpers */
/*
* fsnotify_oldname_init - save off the old filename before we change it
@ -281,7 +322,7 @@ static inline void fsnotify_oldname_free(const char *old_name)
kfree(old_name);
}
#else /* CONFIG_INOTIFY */
#else /* CONFIG_INOTIFY || CONFIG_FSNOTIFY */
static inline const char *fsnotify_oldname_init(const char *name)
{

387
include/linux/fsnotify_backend.h Normal file
View file

@ -0,0 +1,387 @@
/*
* Filesystem access notification for Linux
*
* Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com>
*/
#ifndef __LINUX_FSNOTIFY_BACKEND_H
#define __LINUX_FSNOTIFY_BACKEND_H
#ifdef __KERNEL__
#include <linux/idr.h> /* inotify uses this */
#include <linux/fs.h> /* struct inode */
#include <linux/list.h>
#include <linux/path.h> /* struct path */
#include <linux/spinlock.h>
#include <linux/types.h>
#include <asm/atomic.h>
/*
* IN_* from inotfy.h lines up EXACTLY with FS_*, this is so we can easily
* convert between them. dnotify only needs conversion at watch creation
* so no perf loss there. fanotify isn't defined yet, so it can use the
* wholes if it needs more events.
*/
#define FS_ACCESS 0x00000001 /* File was accessed */
#define FS_MODIFY 0x00000002 /* File was modified */
#define FS_ATTRIB 0x00000004 /* Metadata changed */
#define FS_CLOSE_WRITE 0x00000008 /* Writtable file was closed */
#define FS_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed */
#define FS_OPEN 0x00000020 /* File was opened */
#define FS_MOVED_FROM 0x00000040 /* File was moved from X */
#define FS_MOVED_TO 0x00000080 /* File was moved to Y */
#define FS_CREATE 0x00000100 /* Subfile was created */
#define FS_DELETE 0x00000200 /* Subfile was deleted */
#define FS_DELETE_SELF 0x00000400 /* Self was deleted */
#define FS_MOVE_SELF 0x00000800 /* Self was moved */
#define FS_UNMOUNT 0x00002000 /* inode on umount fs */
#define FS_Q_OVERFLOW 0x00004000 /* Event queued overflowed */
#define FS_IN_IGNORED 0x00008000 /* last inotify event here */
#define FS_IN_ISDIR 0x40000000 /* event occurred against dir */
#define FS_IN_ONESHOT 0x80000000 /* only send event once */
#define FS_DN_RENAME 0x10000000 /* file renamed */
#define FS_DN_MULTISHOT 0x20000000 /* dnotify multishot */
/* This inode cares about things that happen to its children. Always set for
* dnotify and inotify. */
#define FS_EVENT_ON_CHILD 0x08000000
/* This is a list of all events that may get sent to a parernt based on fs event
* happening to inodes inside that directory */
#define FS_EVENTS_POSS_ON_CHILD (FS_ACCESS | FS_MODIFY | FS_ATTRIB |\
FS_CLOSE_WRITE | FS_CLOSE_NOWRITE | FS_OPEN |\
FS_MOVED_FROM | FS_MOVED_TO | FS_CREATE |\
FS_DELETE)
/* listeners that hard code group numbers near the top */
#define DNOTIFY_GROUP_NUM UINT_MAX
#define INOTIFY_GROUP_NUM (DNOTIFY_GROUP_NUM-1)
struct fsnotify_group;
struct fsnotify_event;
struct fsnotify_mark_entry;
struct fsnotify_event_private_data;
/*
* Each group much define these ops. The fsnotify infrastructure will call
* these operations for each relevant group.
*
* should_send_event - given a group, inode, and mask this function determines
* if the group is interested in this event.
* handle_event - main call for a group to handle an fs event
* free_group_priv - called when a group refcnt hits 0 to clean up the private union
* freeing-mark - this means that a mark has been flagged to die when everything
* finishes using it. The function is supplied with what must be a
* valid group and inode to use to clean up.
*/
struct fsnotify_ops {
bool (*should_send_event)(struct fsnotify_group *group, struct inode *inode, __u32 mask);
int (*handle_event)(struct fsnotify_group *group, struct fsnotify_event *event);
void (*free_group_priv)(struct fsnotify_group *group);
void (*freeing_mark)(struct fsnotify_mark_entry *entry, struct fsnotify_group *group);
void (*free_event_priv)(struct fsnotify_event_private_data *priv);
};
/*
* A group is a "thing" that wants to receive notification about filesystem
* events. The mask holds the subset of event types this group cares about.
* refcnt on a group is up to the implementor and at any moment if it goes 0
* everything will be cleaned up.
*/
struct fsnotify_group {
/*
* global list of all groups receiving events from fsnotify.
* anchored by fsnotify_groups and protected by either fsnotify_grp_mutex
* or fsnotify_grp_srcu depending on write vs read.
*/
struct list_head group_list;
/*
* Defines all of the event types in which this group is interested.
* This mask is a bitwise OR of the FS_* events from above. Each time
* this mask changes for a group (if it changes) the correct functions
* must be called to update the global structures which indicate global
* interest in event types.
*/
__u32 mask;
/*
* How the refcnt is used is up to each group. When the refcnt hits 0
* fsnotify will clean up all of the resources associated with this group.
* As an example, the dnotify group will always have a refcnt=1 and that
* will never change. Inotify, on the other hand, has a group per
* inotify_init() and the refcnt will hit 0 only when that fd has been
* closed.
*/
atomic_t refcnt; /* things with interest in this group */
unsigned int group_num; /* simply prevents accidental group collision */
const struct fsnotify_ops *ops; /* how this group handles things */
/* needed to send notification to userspace */
struct mutex notification_mutex; /* protect the notification_list */
struct list_head notification_list; /* list of event_holder this group needs to send to userspace */
wait_queue_head_t notification_waitq; /* read() on the notification file blocks on this waitq */
unsigned int q_len; /* events on the queue */
unsigned int max_events; /* maximum events allowed on the list */
/* stores all fastapth entries assoc with this group so they can be cleaned on unregister */
spinlock_t mark_lock; /* protect mark_entries list */
atomic_t num_marks; /* 1 for each mark entry and 1 for not being
* past the point of no return when freeing
* a group */
struct list_head mark_entries; /* all inode mark entries for this group */
/* prevents double list_del of group_list. protected by global fsnotify_grp_mutex */
bool on_group_list;
/* groups can define private fields here or use the void *private */
union {
void *private;
#ifdef CONFIG_INOTIFY_USER
struct inotify_group_private_data {
spinlock_t idr_lock;
struct idr idr;
u32 last_wd;
struct fasync_struct *fa; /* async notification */
struct user_struct *user;
} inotify_data;
#endif
};
};
/*
* A single event can be queued in multiple group->notification_lists.
*
* each group->notification_list will point to an event_holder which in turns points
* to the actual event that needs to be sent to userspace.
*
* Seemed cheaper to create a refcnt'd event and a small holder for every group
* than create a different event for every group
*
*/
struct fsnotify_event_holder {
struct fsnotify_event *event;
struct list_head event_list;
};
/*
* Inotify needs to tack data onto an event. This struct lets us later find the
* correct private data of the correct group.
*/
struct fsnotify_event_private_data {
struct fsnotify_group *group;
struct list_head event_list;
};
/*
* all of the information about the original object we want to now send to
* a group. If you want to carry more info from the accessing task to the
* listener this structure is where you need to be adding fields.
*/
struct fsnotify_event {
/*
* If we create an event we are also likely going to need a holder
* to link to a group. So embed one holder in the event. Means only
* one allocation for the common case where we only have one group
*/
struct fsnotify_event_holder holder;
spinlock_t lock; /* protection for the associated event_holder and private_list */
/* to_tell may ONLY be dereferenced during handle_event(). */
struct inode *to_tell; /* either the inode the event happened to or its parent */
/*
* depending on the event type we should have either a path or inode
* We hold a reference on path, but NOT on inode. Since we have the ref on
* the path, it may be dereferenced at any point during this object's
* lifetime. That reference is dropped when this object's refcnt hits
* 0. If this event contains an inode instead of a path, the inode may
* ONLY be used during handle_event().
*/
union {
struct path path;
struct inode *inode;
};
/* when calling fsnotify tell it if the data is a path or inode */
#define FSNOTIFY_EVENT_NONE 0
#define FSNOTIFY_EVENT_PATH 1
#define FSNOTIFY_EVENT_INODE 2
#define FSNOTIFY_EVENT_FILE 3
int data_type; /* which of the above union we have */
atomic_t refcnt; /* how many groups still are using/need to send this event */
__u32 mask; /* the type of access, bitwise OR for FS_* event types */
u32 sync_cookie; /* used to corrolate events, namely inotify mv events */
char *file_name;
size_t name_len;
struct list_head private_data_list; /* groups can store private data here */
};
/*
* a mark is simply an entry attached to an in core inode which allows an
* fsnotify listener to indicate they are either no longer interested in events
* of a type matching mask or only interested in those events.
*
* these are flushed when an inode is evicted from core and may be flushed
* when the inode is modified (as seen by fsnotify_access). Some fsnotify users
* (such as dnotify) will flush these when the open fd is closed and not at
* inode eviction or modification.
*/
struct fsnotify_mark_entry {
__u32 mask; /* mask this mark entry is for */
/* we hold ref for each i_list and g_list. also one ref for each 'thing'
* in kernel that found and may be using this mark. */
atomic_t refcnt; /* active things looking at this mark */
struct inode *inode; /* inode this entry is associated with */
struct fsnotify_group *group; /* group this mark entry is for */
struct hlist_node i_list; /* list of mark_entries by inode->i_fsnotify_mark_entries */
struct list_head g_list; /* list of mark_entries by group->i_fsnotify_mark_entries */
spinlock_t lock; /* protect group, inode, and killme */
struct list_head free_i_list; /* tmp list used when freeing this mark */
struct list_head free_g_list; /* tmp list used when freeing this mark */
void (*free_mark)(struct fsnotify_mark_entry *entry); /* called on final put+free */
};
#ifdef CONFIG_FSNOTIFY
/* called from the vfs helpers */
/* main fsnotify call to send events */
extern void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
const char *name, u32 cookie);
extern void __fsnotify_parent(struct dentry *dentry, __u32 mask);
extern void __fsnotify_inode_delete(struct inode *inode);
extern u32 fsnotify_get_cookie(void);
static inline int fsnotify_inode_watches_children(struct inode *inode)
{
/* FS_EVENT_ON_CHILD is set if the inode may care */
if (!(inode->i_fsnotify_mask & FS_EVENT_ON_CHILD))
return 0;
/* this inode might care about child events, does it care about the
* specific set of events that can happen on a child? */
return inode->i_fsnotify_mask & FS_EVENTS_POSS_ON_CHILD;
}
/*
* Update the dentry with a flag indicating the interest of its parent to receive
* filesystem events when those events happens to this dentry->d_inode.
*/
static inline void __fsnotify_update_dcache_flags(struct dentry *dentry)
{
struct dentry *parent;
assert_spin_locked(&dcache_lock);
assert_spin_locked(&dentry->d_lock);
parent = dentry->d_parent;
if (fsnotify_inode_watches_children(parent->d_inode))
dentry->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED;
else
dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED;
}
/*
* fsnotify_d_instantiate - instantiate a dentry for inode
* Called with dcache_lock held.
*/
static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode *inode)
{
if (!inode)
return;
assert_spin_locked(&dcache_lock);
spin_lock(&dentry->d_lock);
__fsnotify_update_dcache_flags(dentry);
spin_unlock(&dentry->d_lock);
}
/* called from fsnotify listeners, such as fanotify or dnotify */
/* must call when a group changes its ->mask */
extern void fsnotify_recalc_global_mask(void);
/* get a reference to an existing or create a new group */
extern struct fsnotify_group *fsnotify_obtain_group(unsigned int group_num,
__u32 mask,
const struct fsnotify_ops *ops);
/* run all marks associated with this group and update group->mask */
extern void fsnotify_recalc_group_mask(struct fsnotify_group *group);
/* drop reference on a group from fsnotify_obtain_group */
extern void fsnotify_put_group(struct fsnotify_group *group);
/* take a reference to an event */
extern void fsnotify_get_event(struct fsnotify_event *event);
extern void fsnotify_put_event(struct fsnotify_event *event);
/* find private data previously attached to an event and unlink it */
extern struct fsnotify_event_private_data *fsnotify_remove_priv_from_event(struct fsnotify_group *group,
struct fsnotify_event *event);
/* attach the event to the group notification queue */
extern int fsnotify_add_notify_event(struct fsnotify_group *group, struct fsnotify_event *event,
struct fsnotify_event_private_data *priv);
/* true if the group notification queue is empty */
extern bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group);
/* return, but do not dequeue the first event on the notification queue */
extern struct fsnotify_event *fsnotify_peek_notify_event(struct fsnotify_group *group);
/* return AND dequeue the first event on the notification queue */
extern struct fsnotify_event *fsnotify_remove_notify_event(struct fsnotify_group *group);
/* functions used to manipulate the marks attached to inodes */
/* run all marks associated with an inode and update inode->i_fsnotify_mask */
extern void fsnotify_recalc_inode_mask(struct inode *inode);
extern void fsnotify_init_mark(struct fsnotify_mark_entry *entry, void (*free_mark)(struct fsnotify_mark_entry *entry));
/* find (and take a reference) to a mark associated with group and inode */
extern struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *group, struct inode *inode);
/* attach the mark to both the group and the inode */
extern int fsnotify_add_mark(struct fsnotify_mark_entry *entry, struct fsnotify_group *group, struct inode *inode);
/* given a mark, flag it to be freed when all references are dropped */
extern void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry);
/* run all the marks in a group, and flag them to be freed */
extern void fsnotify_clear_marks_by_group(struct fsnotify_group *group);
extern void fsnotify_get_mark(struct fsnotify_mark_entry *entry);
extern void fsnotify_put_mark(struct fsnotify_mark_entry *entry);
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);
#else
static inline void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
const char *name, u32 cookie)
{}
static inline void __fsnotify_parent(struct dentry *dentry, __u32 mask)
{}
static inline void __fsnotify_inode_delete(struct inode *inode)
{}
static inline void __fsnotify_update_dcache_flags(struct dentry *dentry)
{}
static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode *inode)
{}
static inline u32 fsnotify_get_cookie(void)
{
return 0;
}
static inline void fsnotify_unmount_inodes(struct list_head *list)
{}
#endif /* CONFIG_FSNOTIFY */
#endif /* __KERNEL __ */
#endif /* __LINUX_FSNOTIFY_BACKEND_H */

17
include/linux/ftrace.h
View file

@ -233,8 +233,6 @@ extern int ftrace_arch_read_dyn_info(char *buf, int size);
extern int skip_trace(unsigned long ip);
extern void ftrace_release(void *start, unsigned long size);
extern void ftrace_disable_daemon(void);
extern void ftrace_enable_daemon(void);
#else
@ -325,13 +323,8 @@ static inline void __ftrace_enabled_restore(int enabled)
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
extern void ftrace_init_module(struct module *mod,
unsigned long *start, unsigned long *end);
#else
static inline void ftrace_init(void) { }
static inline void
ftrace_init_module(struct module *mod,
unsigned long *start, unsigned long *end) { }
#endif
/*
@ -368,6 +361,7 @@ struct ftrace_ret_stack {
unsigned long ret;
unsigned long func;
unsigned long long calltime;
unsigned long long subtime;
};
/*
@ -379,8 +373,6 @@ extern void return_to_handler(void);
extern int
ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth);
extern void
ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret);
/*
* Sometimes we don't want to trace a function with the function
@ -496,8 +488,15 @@ static inline int test_tsk_trace_graph(struct task_struct *tsk)
extern int ftrace_dump_on_oops;
#ifdef CONFIG_PREEMPT
#define INIT_TRACE_RECURSION .trace_recursion = 0,
#endif
#endif /* CONFIG_TRACING */
#ifndef INIT_TRACE_RECURSION
#define INIT_TRACE_RECURSION
#endif
#ifdef CONFIG_HW_BRANCH_TRACER

172
include/linux/ftrace_event.h Normal file
View file

@ -0,0 +1,172 @@
#ifndef _LINUX_FTRACE_EVENT_H
#define _LINUX_FTRACE_EVENT_H
#include <linux/trace_seq.h>
#include <linux/ring_buffer.h>
#include <linux/percpu.h>
struct trace_array;
struct tracer;
struct dentry;
DECLARE_PER_CPU(struct trace_seq, ftrace_event_seq);
struct trace_print_flags {
unsigned long mask;
const char *name;
};
const char *ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
unsigned long flags,
const struct trace_print_flags *flag_array);
const char *ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
const struct trace_print_flags *symbol_array);
/*
* The trace entry - the most basic unit of tracing. This is what
* is printed in the end as a single line in the trace output, such as:
*
* bash-15816 [01] 235.197585: idle_cpu <- irq_enter
*/
struct trace_entry {
unsigned short type;
unsigned char flags;
unsigned char preempt_count;
int pid;
int tgid;
};
#define FTRACE_MAX_EVENT \
((1 << (sizeof(((struct trace_entry *)0)->type) * 8)) - 1)
/*
* Trace iterator - used by printout routines who present trace
* results to users and which routines might sleep, etc:
*/
struct trace_iterator {
struct trace_array *tr;
struct tracer *trace;
void *private;
int cpu_file;
struct mutex mutex;
struct ring_buffer_iter *buffer_iter[NR_CPUS];
unsigned long iter_flags;
/* The below is zeroed out in pipe_read */
struct trace_seq seq;
struct trace_entry *ent;
int cpu;
u64 ts;
loff_t pos;
long idx;
cpumask_var_t started;
};
typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
int flags);
struct trace_event {
struct hlist_node node;
struct list_head list;
int type;
trace_print_func trace;
trace_print_func raw;
trace_print_func hex;
trace_print_func binary;
};
extern int register_ftrace_event(struct trace_event *event);
extern int unregister_ftrace_event(struct trace_event *event);
/* Return values for print_line callback */
enum print_line_t {
TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */
TRACE_TYPE_HANDLED = 1,
TRACE_TYPE_UNHANDLED = 2, /* Relay to other output functions */
TRACE_TYPE_NO_CONSUME = 3 /* Handled but ask to not consume */
};
struct ring_buffer_event *
trace_current_buffer_lock_reserve(int type, unsigned long len,
unsigned long flags, int pc);
void trace_current_buffer_unlock_commit(struct ring_buffer_event *event,
unsigned long flags, int pc);
void trace_nowake_buffer_unlock_commit(struct ring_buffer_event *event,
unsigned long flags, int pc);
void trace_current_buffer_discard_commit(struct ring_buffer_event *event);
void tracing_record_cmdline(struct task_struct *tsk);
struct ftrace_event_call {
struct list_head list;
char *name;
char *system;
struct dentry *dir;
struct trace_event *event;
int enabled;
int (*regfunc)(void);
void (*unregfunc)(void);
int id;
int (*raw_init)(void);
int (*show_format)(struct trace_seq *s);
int (*define_fields)(void);
struct list_head fields;
int filter_active;
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
};
#define MAX_FILTER_PRED 32
#define MAX_FILTER_STR_VAL 128
extern int init_preds(struct ftrace_event_call *call);
extern void destroy_preds(struct ftrace_event_call *call);
extern int filter_match_preds(struct ftrace_event_call *call, void *rec);
extern int filter_current_check_discard(struct ftrace_event_call *call,
void *rec,
struct ring_buffer_event *event);
extern int trace_define_field(struct ftrace_event_call *call, char *type,
char *name, int offset, int size, int is_signed);
#define is_signed_type(type) (((type)(-1)) < 0)
int trace_set_clr_event(const char *system, const char *event, int set);
/*
* The double __builtin_constant_p is because gcc will give us an error
* if we try to allocate the static variable to fmt if it is not a
* constant. Even with the outer if statement optimizing out.
*/
#define event_trace_printk(ip, fmt, args...) \
do { \
__trace_printk_check_format(fmt, ##args); \
tracing_record_cmdline(current); \
if (__builtin_constant_p(fmt)) { \
static const char *trace_printk_fmt \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
__trace_bprintk(ip, trace_printk_fmt, ##args); \
} else \
__trace_printk(ip, fmt, ##args); \
} while (0)
#define __common_field(type, item, is_signed) \
ret = trace_define_field(event_call, #type, "common_" #item, \
offsetof(typeof(field.ent), item), \
sizeof(field.ent.item), is_signed); \
if (ret) \
return ret;
#endif /* _LINUX_FTRACE_EVENT_H */

6
include/linux/futex.h
View file

@ -23,6 +23,8 @@ union ktime;
#define FUTEX_TRYLOCK_PI 8
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_WAIT_REQUEUE_PI 11
#define FUTEX_CMP_REQUEUE_PI 12
#define FUTEX_PRIVATE_FLAG 128
#define FUTEX_CLOCK_REALTIME 256
@ -38,6 +40,10 @@ union ktime;
#define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG)
#define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITS | FUTEX_PRIVATE_FLAG)
#define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITS | FUTEX_PRIVATE_FLAG)
#define FUTEX_WAIT_REQUEUE_PI_PRIVATE (FUTEX_WAIT_REQUEUE_PI | \
FUTEX_PRIVATE_FLAG)
#define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | \
FUTEX_PRIVATE_FLAG)
/*
* Support for robust futexes: the kernel cleans up held futexes at

1
include/linux/genhd.h
View file

@ -90,6 +90,7 @@ struct disk_stats {
struct hd_struct {
sector_t start_sect;
sector_t nr_sects;
sector_t alignment_offset;
struct device __dev;
struct kobject *holder_dir;
int policy, partno;

20
include/linux/i7300_idle.h
View file

@ -16,35 +16,33 @@
struct fbd_ioat {
unsigned int vendor;
unsigned int ioat_dev;
unsigned int enabled;
};
/*
* The i5000 chip-set has the same hooks as the i7300
* but support is disabled by default because this driver
* has not been validated on that platform.
* but it is not enabled by default and must be manually
* manually enabled with "forceload=1" because it is
* only lightly validated.
*/
#define SUPPORT_I5000 0
static const struct fbd_ioat fbd_ioat_list[] = {
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB},
#if SUPPORT_I5000
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT},
#endif
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB, 1},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT, 0},
{0, 0}
};
/* table of devices that work with this driver */
static const struct pci_device_id pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FBD_CNB) },
#if SUPPORT_I5000
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) },
#endif
{ } /* Terminating entry */
};
/* Check for known platforms with I/O-AT */
static inline int i7300_idle_platform_probe(struct pci_dev **fbd_dev,
struct pci_dev **ioat_dev)
struct pci_dev **ioat_dev,
int enable_all)
{
int i;
struct pci_dev *memdev, *dmadev;
@ -69,6 +67,8 @@ static inline int i7300_idle_platform_probe(struct pci_dev **fbd_dev,
for (i = 0; fbd_ioat_list[i].vendor != 0; i++) {
if (dmadev->vendor == fbd_ioat_list[i].vendor &&
dmadev->device == fbd_ioat_list[i].ioat_dev) {
if (!(fbd_ioat_list[i].enabled || enable_all))
continue;
if (fbd_dev)
*fbd_dev = memdev;
if (ioat_dev)

29
include/linux/ide.h
View file

@ -26,6 +26,9 @@
#include <asm/io.h>
#include <asm/mutex.h>
/* for request_sense */
#include <linux/cdrom.h>
#if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
# define SUPPORT_VLB_SYNC 0
#else
@ -324,7 +327,6 @@ struct ide_cmd {
unsigned int cursg_ofs;
struct request *rq; /* copy of request */
void *special; /* valid_t generally */
};
/* ATAPI packet command flags */
@ -360,11 +362,7 @@ struct ide_atapi_pc {
/* data buffer */
u8 *buf;
/* current buffer position */
u8 *cur_pos;
int buf_size;
/* missing/available data on the current buffer */
int b_count;
/* the corresponding request */
struct request *rq;
@ -377,10 +375,6 @@ struct ide_atapi_pc {
*/
u8 pc_buf[IDE_PC_BUFFER_SIZE];
/* idetape only */
struct idetape_bh *bh;
char *b_data;
unsigned long timeout;
};
@ -593,16 +587,16 @@ struct ide_drive_s {
/* callback for packet commands */
int (*pc_callback)(struct ide_drive_s *, int);
void (*pc_update_buffers)(struct ide_drive_s *, struct ide_atapi_pc *);
int (*pc_io_buffers)(struct ide_drive_s *, struct ide_atapi_pc *,
unsigned int, int);
ide_startstop_t (*irq_handler)(struct ide_drive_s *);
unsigned long atapi_flags;
struct ide_atapi_pc request_sense_pc;
struct request request_sense_rq;
/* current sense rq and buffer */
bool sense_rq_armed;
struct request sense_rq;
struct request_sense sense_data;
};
typedef struct ide_drive_s ide_drive_t;
@ -1109,7 +1103,7 @@ void ide_fix_driveid(u16 *);
extern void ide_fixstring(u8 *, const int, const int);
int ide_busy_sleep(ide_hwif_t *, unsigned long, int);
int ide_busy_sleep(ide_drive_t *, unsigned long, int);
int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
@ -1174,7 +1168,10 @@ int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
void ide_retry_pc(ide_drive_t *, struct gendisk *);
void ide_retry_pc(ide_drive_t *drive);
void ide_prep_sense(ide_drive_t *drive, struct request *rq);
int ide_queue_sense_rq(ide_drive_t *drive, void *special);
int ide_cd_expiry(ide_drive_t *);

11
include/linux/ima.h
View file

@ -13,14 +13,17 @@
#include <linux/fs.h>
struct linux_binprm;
#define IMA_COUNT_UPDATE 1
#define IMA_COUNT_LEAVE 0
#ifdef CONFIG_IMA
extern int ima_bprm_check(struct linux_binprm *bprm);
extern int ima_inode_alloc(struct inode *inode);
extern void ima_inode_free(struct inode *inode);
extern int ima_path_check(struct path *path, int mask);
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_shm_check(struct file *file);
extern void ima_counts_get(struct file *file);
#else
static inline int ima_bprm_check(struct linux_binprm *bprm)
@ -38,7 +41,7 @@ static inline void ima_inode_free(struct inode *inode)
return;
}
static inline int ima_path_check(struct path *path, int mask)
static inline int ima_path_check(struct path *path, int mask, int update_counts)
{
return 0;
}
@ -53,7 +56,7 @@ static inline int ima_file_mmap(struct file *file, unsigned long prot)
return 0;
}
static inline void ima_shm_check(struct file *file)
static inline void ima_counts_get(struct file *file)
{
return;
}

15
include/linux/init_task.h
View file

@ -108,6 +108,15 @@ extern struct group_info init_groups;
extern struct cred init_cred;
#ifdef CONFIG_PERF_COUNTERS
# define INIT_PERF_COUNTERS(tsk) \
.perf_counter_mutex = \
__MUTEX_INITIALIZER(tsk.perf_counter_mutex), \
.perf_counter_list = LIST_HEAD_INIT(tsk.perf_counter_list),
#else
# define INIT_PERF_COUNTERS(tsk)
#endif
/*
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
@ -145,8 +154,8 @@ extern struct cred init_cred;
.group_leader = &tsk, \
.real_cred = &init_cred, \
.cred = &init_cred, \
.cred_exec_mutex = \
__MUTEX_INITIALIZER(tsk.cred_exec_mutex), \
.cred_guard_mutex = \
__MUTEX_INITIALIZER(tsk.cred_guard_mutex), \
.comm = "swapper", \
.thread = INIT_THREAD, \
.fs = &init_fs, \
@ -171,9 +180,11 @@ extern struct cred init_cred;
}, \
.dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
INIT_IDS \
INIT_PERF_COUNTERS(tsk) \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
INIT_FTRACE_GRAPH \
INIT_TRACE_RECURSION \
}

1
include/linux/input.h
View file

@ -656,6 +656,7 @@ struct input_absinfo {
#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */
#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */
#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
#define ABS_MAX 0x3f
#define ABS_CNT (ABS_MAX+1)

2
include/linux/interrupt.h
View file

@ -566,6 +566,6 @@ struct irq_desc;
extern int early_irq_init(void);
extern int arch_probe_nr_irqs(void);
extern int arch_early_irq_init(void);
extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
extern int arch_init_chip_data(struct irq_desc *desc, int node);
#endif

6
include/linux/iocontext.h
View file

@ -64,7 +64,7 @@ struct cfq_io_context {
* and kmalloc'ed. These could be shared between processes.
*/
struct io_context {
atomic_t refcount;
atomic_long_t refcount;
atomic_t nr_tasks;
/* all the fields below are protected by this lock */
@ -91,8 +91,8 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc)
* if ref count is zero, don't allow sharing (ioc is going away, it's
* a race).
*/
if (ioc && atomic_inc_not_zero(&ioc->refcount)) {
atomic_inc(&ioc->nr_tasks);
if (ioc && atomic_long_inc_not_zero(&ioc->refcount)) {
atomic_long_inc(&ioc->refcount);
return ioc;
}

78
include/linux/irq.h
View file

@ -117,7 +117,7 @@ struct irq_chip {
void (*eoi)(unsigned int irq);
void (*end)(unsigned int irq);
void (*set_affinity)(unsigned int irq,
int (*set_affinity)(unsigned int irq,
const struct cpumask *dest);
int (*retrigger)(unsigned int irq);
int (*set_type)(unsigned int irq, unsigned int flow_type);
@ -187,7 +187,7 @@ struct irq_desc {
spinlock_t lock;
#ifdef CONFIG_SMP
cpumask_var_t affinity;
unsigned int cpu;
unsigned int node;
#ifdef CONFIG_GENERIC_PENDING_IRQ
cpumask_var_t pending_mask;
#endif
@ -201,26 +201,23 @@ struct irq_desc {
} ____cacheline_internodealigned_in_smp;
extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
struct irq_desc *desc, int cpu);
struct irq_desc *desc, int node);
extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
#ifndef CONFIG_SPARSE_IRQ
extern struct irq_desc irq_desc[NR_IRQS];
#else /* CONFIG_SPARSE_IRQ */
extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
#endif /* CONFIG_SPARSE_IRQ */
extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
static inline struct irq_desc *
irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)
{
#ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
return irq_to_desc(irq);
#else
return desc;
#endif
#ifdef CONFIG_NUMA_IRQ_DESC
extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int node);
#else
static inline struct irq_desc *move_irq_desc(struct irq_desc *desc, int node)
{
return desc;
}
#endif
extern struct irq_desc *irq_to_desc_alloc_node(unsigned int irq, int node);
/*
* Migration helpers for obsolete names, they will go away:
@ -386,7 +383,7 @@ extern void set_irq_noprobe(unsigned int irq);
extern void set_irq_probe(unsigned int irq);
/* Handle dynamic irq creation and destruction */
extern unsigned int create_irq_nr(unsigned int irq_want);
extern unsigned int create_irq_nr(unsigned int irq_want, int node);
extern int create_irq(void);
extern void destroy_irq(unsigned int irq);
@ -424,47 +421,44 @@ extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
#ifdef CONFIG_SMP
/**
* init_alloc_desc_masks - allocate cpumasks for irq_desc
* alloc_desc_masks - allocate cpumasks for irq_desc
* @desc: pointer to irq_desc struct
* @cpu: cpu which will be handling the cpumasks
* @boot: true if need bootmem
*
* Allocates affinity and pending_mask cpumask if required.
* Returns true if successful (or not required).
* Side effect: affinity has all bits set, pending_mask has all bits clear.
*/
static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu,
bool boot)
static inline bool alloc_desc_masks(struct irq_desc *desc, int node,
bool boot)
{
int node;
gfp_t gfp = GFP_ATOMIC;
if (boot) {
alloc_bootmem_cpumask_var(&desc->affinity);
cpumask_setall(desc->affinity);
if (boot)
gfp = GFP_NOWAIT;
#ifdef CONFIG_GENERIC_PENDING_IRQ
alloc_bootmem_cpumask_var(&desc->pending_mask);
cpumask_clear(desc->pending_mask);
#endif
return true;
}
node = cpu_to_node(cpu);
if (!alloc_cpumask_var_node(&desc->affinity, GFP_ATOMIC, node))
#ifdef CONFIG_CPUMASK_OFFSTACK
if (!alloc_cpumask_var_node(&desc->affinity, gfp, node))
return false;
cpumask_setall(desc->affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
if (!alloc_cpumask_var_node(&desc->pending_mask, GFP_ATOMIC, node)) {
if (!alloc_cpumask_var_node(&desc->pending_mask, gfp, node)) {
free_cpumask_var(desc->affinity);
return false;
}
cpumask_clear(desc->pending_mask);
#endif
#endif
return true;
}
static inline void init_desc_masks(struct irq_desc *desc)
{
cpumask_setall(desc->affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
cpumask_clear(desc->pending_mask);
#endif
}
/**
* init_copy_desc_masks - copy cpumasks for irq_desc
* @old_desc: pointer to old irq_desc struct
@ -478,7 +472,7 @@ static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu,
static inline void init_copy_desc_masks(struct irq_desc *old_desc,
struct irq_desc *new_desc)
{
#ifdef CONFIG_CPUMASKS_OFFSTACK
#ifdef CONFIG_CPUMASK_OFFSTACK
cpumask_copy(new_desc->affinity, old_desc->affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
@ -499,12 +493,16 @@ static inline void free_desc_masks(struct irq_desc *old_desc,
#else /* !CONFIG_SMP */
static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu,
static inline bool alloc_desc_masks(struct irq_desc *desc, int node,
bool boot)
{
return true;
}
static inline void init_desc_masks(struct irq_desc *desc)
{
}
static inline void init_copy_desc_masks(struct irq_desc *old_desc,
struct irq_desc *new_desc)
{

5
include/linux/kernel_stat.h
View file

@ -81,7 +81,12 @@ static inline unsigned int kstat_irqs(unsigned int irq)
return sum;
}
/*
* Lock/unlock the current runqueue - to extract task statistics:
*/
extern unsigned long long task_delta_exec(struct task_struct *);
extern void account_user_time(struct task_struct *, cputime_t, cputime_t);
extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t);
extern void account_steal_time(cputime_t);

96
include/linux/kmemleak.h Normal file
View file

@ -0,0 +1,96 @@
/*
* include/linux/kmemleak.h
*
* Copyright (C) 2008 ARM Limited
* Written by Catalin Marinas <catalin.marinas@arm.com>
*
* 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.
*
* 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.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __KMEMLEAK_H
#define __KMEMLEAK_H
#ifdef CONFIG_DEBUG_KMEMLEAK
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_padding(const void *ptr, unsigned long offset,
size_t size);
extern void kmemleak_not_leak(const void *ptr);
extern void kmemleak_ignore(const void *ptr);
extern void kmemleak_scan_area(const void *ptr, unsigned long offset,
size_t length, gfp_t gfp);
extern void kmemleak_no_scan(const void *ptr);
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, unsigned long flags,
gfp_t gfp)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_alloc(ptr, size, min_count, gfp);
}
static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
{
if (!(flags & SLAB_NOLEAKTRACE))
kmemleak_free(ptr);
}
static inline void kmemleak_erase(void **ptr)
{
*ptr = NULL;
}
#else
static inline void kmemleak_init(void)
{
}
static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
gfp_t gfp)
{
}
static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
int min_count, unsigned long flags,
gfp_t gfp)
{
}
static inline void kmemleak_free(const void *ptr)
{
}
static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
{
}
static inline void kmemleak_not_leak(const void *ptr)
{
}
static inline void kmemleak_ignore(const void *ptr)
{
}
static inline void kmemleak_scan_area(const void *ptr, unsigned long offset,
size_t length, gfp_t gfp)
{
}
static inline void kmemleak_erase(void **ptr)
{
}
static inline void kmemleak_no_scan(const void *ptr)
{
}
#endif /* CONFIG_DEBUG_KMEMLEAK */
#endif /* __KMEMLEAK_H */

25
include/linux/kmemtrace.h Normal file
View file

@ -0,0 +1,25 @@
/*
* Copyright (C) 2008 Eduard - Gabriel Munteanu
*
* This file is released under GPL version 2.
*/
#ifndef _LINUX_KMEMTRACE_H
#define _LINUX_KMEMTRACE_H
#ifdef __KERNEL__
#include <trace/events/kmem.h>
#ifdef CONFIG_KMEMTRACE
extern void kmemtrace_init(void);
#else
static inline void kmemtrace_init(void)
{
}
#endif
#endif /* __KERNEL__ */
#endif /* _LINUX_KMEMTRACE_H */

46
include/linux/kvm.h
View file

@ -119,7 +119,7 @@ struct kvm_run {
__u32 error_code;
} ex;
/* KVM_EXIT_IO */
struct kvm_io {
struct {
#define KVM_EXIT_IO_IN 0
#define KVM_EXIT_IO_OUT 1
__u8 direction;
@ -224,10 +224,10 @@ struct kvm_interrupt {
/* for KVM_GET_DIRTY_LOG */
struct kvm_dirty_log {
__u32 slot;
__u32 padding;
__u32 padding1;
union {
void __user *dirty_bitmap; /* one bit per page */
__u64 padding;
__u64 padding2;
};
};
@ -409,6 +409,10 @@ struct kvm_trace_rec {
#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
#define KVM_CAP_DEVICE_DEASSIGNMENT 27
#endif
#ifdef __KVM_HAVE_MSIX
#define KVM_CAP_DEVICE_MSIX 28
#endif
#define KVM_CAP_ASSIGN_DEV_IRQ 29
/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
@ -482,11 +486,18 @@ struct kvm_irq_routing {
#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
struct kvm_assigned_pci_dev)
#define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
struct kvm_assigned_irq)
#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
struct kvm_assigned_pci_dev)
#define KVM_ASSIGN_SET_MSIX_NR \
_IOW(KVMIO, 0x73, struct kvm_assigned_msix_nr)
#define KVM_ASSIGN_SET_MSIX_ENTRY \
_IOW(KVMIO, 0x74, struct kvm_assigned_msix_entry)
#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
/*
* ioctls for vcpu fds
@ -577,6 +588,8 @@ struct kvm_debug_guest {
#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
struct kvm_assigned_pci_dev {
__u32 assigned_dev_id;
__u32 busnr;
@ -587,6 +600,17 @@ struct kvm_assigned_pci_dev {
};
};
#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
#define KVM_DEV_IRQ_HOST_MASK 0x00ff
#define KVM_DEV_IRQ_GUEST_MASK 0xff00
struct kvm_assigned_irq {
__u32 assigned_dev_id;
__u32 host_irq;
@ -602,9 +626,19 @@ struct kvm_assigned_irq {
};
};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_IRQ_ASSIGN_MSI_ACTION KVM_DEV_IRQ_ASSIGN_ENABLE_MSI
#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI (1 << 0)
struct kvm_assigned_msix_nr {
__u32 assigned_dev_id;
__u16 entry_nr;
__u16 padding;
};
#define KVM_MAX_MSIX_PER_DEV 512
struct kvm_assigned_msix_entry {
__u32 assigned_dev_id;
__u32 gsi;
__u16 entry; /* The index of entry in the MSI-X table */
__u16 padding[3];
};
#endif

21
include/linux/kvm_host.h
View file

@ -38,6 +38,7 @@
#define KVM_REQ_UNHALT 6
#define KVM_REQ_MMU_SYNC 7
#define KVM_REQ_KVMCLOCK_UPDATE 8
#define KVM_REQ_KICK 9
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
@ -72,7 +73,6 @@ struct kvm_vcpu {
struct mutex mutex;
int cpu;
struct kvm_run *run;
int guest_mode;
unsigned long requests;
unsigned long guest_debug;
int fpu_active;
@ -298,6 +298,7 @@ int kvm_arch_hardware_setup(void);
void kvm_arch_hardware_unsetup(void);
void kvm_arch_check_processor_compat(void *rtn);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);
void kvm_free_physmem(struct kvm *kvm);
@ -319,6 +320,13 @@ struct kvm_irq_ack_notifier {
void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
};
#define KVM_ASSIGNED_MSIX_PENDING 0x1
struct kvm_guest_msix_entry {
u32 vector;
u16 entry;
u16 flags;
};
struct kvm_assigned_dev_kernel {
struct kvm_irq_ack_notifier ack_notifier;
struct work_struct interrupt_work;
@ -326,18 +334,18 @@ struct kvm_assigned_dev_kernel {
int assigned_dev_id;
int host_busnr;
int host_devfn;
unsigned int entries_nr;
int host_irq;
bool host_irq_disabled;
struct msix_entry *host_msix_entries;
int guest_irq;
#define KVM_ASSIGNED_DEV_GUEST_INTX (1 << 0)
#define KVM_ASSIGNED_DEV_GUEST_MSI (1 << 1)
#define KVM_ASSIGNED_DEV_HOST_INTX (1 << 8)
#define KVM_ASSIGNED_DEV_HOST_MSI (1 << 9)
struct kvm_guest_msix_entry *guest_msix_entries;
unsigned long irq_requested_type;
int irq_source_id;
int flags;
struct pci_dev *dev;
struct kvm *kvm;
spinlock_t assigned_dev_lock;
};
struct kvm_irq_mask_notifier {
@ -360,6 +368,9 @@ void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian);
int kvm_request_irq_source_id(struct kvm *kvm);
void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
/* For vcpu->arch.iommu_flags */
#define KVM_IOMMU_CACHE_COHERENCY 0x1
#ifdef CONFIG_IOMMU_API
int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
unsigned long npages);

27
include/linux/kvm_types.h
View file

@ -40,4 +40,31 @@ typedef unsigned long hfn_t;
typedef hfn_t pfn_t;
union kvm_ioapic_redirect_entry {
u64 bits;
struct {
u8 vector;
u8 delivery_mode:3;
u8 dest_mode:1;
u8 delivery_status:1;
u8 polarity:1;
u8 remote_irr:1;
u8 trig_mode:1;
u8 mask:1;
u8 reserve:7;
u8 reserved[4];
u8 dest_id;
} fields;
};
struct kvm_lapic_irq {
u32 vector;
u32 delivery_mode;
u32 dest_mode;
u32 level;
u32 trig_mode;
u32 shorthand;
u32 dest_id;
};
#endif /* __KVM_TYPES_H__ */

3
include/linux/loop.h
View file

@ -56,8 +56,7 @@ struct loop_device {
gfp_t old_gfp_mask;
spinlock_t lo_lock;
struct bio *lo_bio;
struct bio *lo_biotail;
struct bio_list lo_bio_list;
int lo_state;
struct mutex lo_ctl_mutex;
struct task_struct *lo_thread;

111
include/linux/lsm_audit.h Normal file
View file

@ -0,0 +1,111 @@
/*
* Common LSM logging functions
* Heavily borrowed from selinux/avc.h
*
* Author : Etienne BASSET <etienne.basset@ensta.org>
*
* All credits to : Stephen Smalley, <sds@epoch.ncsc.mil>
* All BUGS to : Etienne BASSET <etienne.basset@ensta.org>
*/
#ifndef _LSM_COMMON_LOGGING_
#define _LSM_COMMON_LOGGING_
#include <linux/stddef.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/kdev_t.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/audit.h>
#include <linux/in6.h>
#include <linux/path.h>
#include <linux/key.h>
#include <linux/skbuff.h>
#include <asm/system.h>
/* Auxiliary data to use in generating the audit record. */
struct common_audit_data {
char type;
#define LSM_AUDIT_DATA_FS 1
#define LSM_AUDIT_DATA_NET 2
#define LSM_AUDIT_DATA_CAP 3
#define LSM_AUDIT_DATA_IPC 4
#define LSM_AUDIT_DATA_TASK 5
#define LSM_AUDIT_DATA_KEY 6
struct task_struct *tsk;
union {
struct {
struct path path;
struct inode *inode;
} fs;
struct {
int netif;
struct sock *sk;
u16 family;
__be16 dport;
__be16 sport;
union {
struct {
__be32 daddr;
__be32 saddr;
} v4;
struct {
struct in6_addr daddr;
struct in6_addr saddr;
} v6;
} fam;
} net;
int cap;
int ipc_id;
struct task_struct *tsk;
#ifdef CONFIG_KEYS
struct {
key_serial_t key;
char *key_desc;
} key_struct;
#endif
} u;
const char *function;
/* this union contains LSM specific data */
union {
/* SMACK data */
struct smack_audit_data {
char *subject;
char *object;
char *request;
int result;
} smack_audit_data;
/* SELinux data */
struct {
u32 ssid;
u32 tsid;
u16 tclass;
u32 requested;
u32 audited;
struct av_decision *avd;
int result;
} selinux_audit_data;
} lsm_priv;
/* these callback will be implemented by a specific LSM */
void (*lsm_pre_audit)(struct audit_buffer *, void *);
void (*lsm_post_audit)(struct audit_buffer *, void *);
};
#define v4info fam.v4
#define v6info fam.v6
int ipv4_skb_to_auditdata(struct sk_buff *skb,
struct common_audit_data *ad, u8 *proto);
int ipv6_skb_to_auditdata(struct sk_buff *skb,
struct common_audit_data *ad, u8 *proto);
/* Initialize an LSM audit data structure. */
#define COMMON_AUDIT_DATA_INIT(_d, _t) \
{ memset((_d), 0, sizeof(struct common_audit_data)); \
(_d)->type = LSM_AUDIT_DATA_##_t; (_d)->function = __func__; }
void common_lsm_audit(struct common_audit_data *a);
#endif

3
include/linux/magic.h
View file

@ -6,9 +6,12 @@
#define AFS_SUPER_MAGIC 0x5346414F
#define AUTOFS_SUPER_MAGIC 0x0187
#define CODA_SUPER_MAGIC 0x73757245
#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */
#define DEBUGFS_MAGIC 0x64626720
#define SYSFS_MAGIC 0x62656572
#define SECURITYFS_MAGIC 0x73636673
#define SELINUX_MAGIC 0xf97cff8c
#define TMPFS_MAGIC 0x01021994
#define SQUASHFS_MAGIC 0x73717368
#define EFS_SUPER_MAGIC 0x414A53

206
include/linux/mg_disk.h
View file

@ -1,206 +0,0 @@
/*
* include/linux/mg_disk.c
*
* Support for the mGine m[g]flash IO mode.
* Based on legacy hd.c
*
* (c) 2008 mGine Co.,LTD
* (c) 2008 unsik Kim <donari75@gmail.com>
*
* 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 __MG_DISK_H__
#define __MG_DISK_H__
#include <linux/blkdev.h>
#include <linux/ata.h>
/* name for block device */
#define MG_DISK_NAME "mgd"
/* name for platform device */
#define MG_DEV_NAME "mg_disk"
#define MG_DISK_MAJ 0
#define MG_DISK_MAX_PART 16
#define MG_SECTOR_SIZE 512
#define MG_MAX_SECTS 256
/* Register offsets */
#define MG_BUFF_OFFSET 0x8000
#define MG_STORAGE_BUFFER_SIZE 0x200
#define MG_REG_OFFSET 0xC000
#define MG_REG_FEATURE (MG_REG_OFFSET + 2) /* write case */
#define MG_REG_ERROR (MG_REG_OFFSET + 2) /* read case */
#define MG_REG_SECT_CNT (MG_REG_OFFSET + 4)
#define MG_REG_SECT_NUM (MG_REG_OFFSET + 6)
#define MG_REG_CYL_LOW (MG_REG_OFFSET + 8)
#define MG_REG_CYL_HIGH (MG_REG_OFFSET + 0xA)
#define MG_REG_DRV_HEAD (MG_REG_OFFSET + 0xC)
#define MG_REG_COMMAND (MG_REG_OFFSET + 0xE) /* write case */
#define MG_REG_STATUS (MG_REG_OFFSET + 0xE) /* read case */
#define MG_REG_DRV_CTRL (MG_REG_OFFSET + 0x10)
#define MG_REG_BURST_CTRL (MG_REG_OFFSET + 0x12)
/* "Drive Select/Head Register" bit values */
#define MG_REG_HEAD_MUST_BE_ON 0xA0 /* These 2 bits are always on */
#define MG_REG_HEAD_DRIVE_MASTER (0x00 | MG_REG_HEAD_MUST_BE_ON)
#define MG_REG_HEAD_DRIVE_SLAVE (0x10 | MG_REG_HEAD_MUST_BE_ON)
#define MG_REG_HEAD_LBA_MODE (0x40 | MG_REG_HEAD_MUST_BE_ON)
/* "Device Control Register" bit values */
#define MG_REG_CTRL_INTR_ENABLE 0x0
#define MG_REG_CTRL_INTR_DISABLE (0x1<<1)
#define MG_REG_CTRL_RESET (0x1<<2)
#define MG_REG_CTRL_INTR_POLA_ACTIVE_HIGH 0x0
#define MG_REG_CTRL_INTR_POLA_ACTIVE_LOW (0x1<<4)
#define MG_REG_CTRL_DPD_POLA_ACTIVE_LOW 0x0
#define MG_REG_CTRL_DPD_POLA_ACTIVE_HIGH (0x1<<5)
#define MG_REG_CTRL_DPD_DISABLE 0x0
#define MG_REG_CTRL_DPD_ENABLE (0x1<<6)
/* Status register bit */
/* error bit in status register */
#define MG_REG_STATUS_BIT_ERROR 0x01
/* corrected error in status register */
#define MG_REG_STATUS_BIT_CORRECTED_ERROR 0x04
/* data request bit in status register */
#define MG_REG_STATUS_BIT_DATA_REQ 0x08
/* DSC - Drive Seek Complete */
#define MG_REG_STATUS_BIT_SEEK_DONE 0x10
/* DWF - Drive Write Fault */
#define MG_REG_STATUS_BIT_WRITE_FAULT 0x20
#define MG_REG_STATUS_BIT_READY 0x40
#define MG_REG_STATUS_BIT_BUSY 0x80
/* handy status */
#define MG_STAT_READY (MG_REG_STATUS_BIT_READY | MG_REG_STATUS_BIT_SEEK_DONE)
#define MG_READY_OK(s) (((s) & (MG_STAT_READY | \
(MG_REG_STATUS_BIT_BUSY | \
MG_REG_STATUS_BIT_WRITE_FAULT | \
MG_REG_STATUS_BIT_ERROR))) == MG_STAT_READY)
/* Error register */
#define MG_REG_ERR_AMNF 0x01
#define MG_REG_ERR_ABRT 0x04
#define MG_REG_ERR_IDNF 0x10
#define MG_REG_ERR_UNC 0x40
#define MG_REG_ERR_BBK 0x80
/* error code for others */
#define MG_ERR_NONE 0
#define MG_ERR_TIMEOUT 0x100
#define MG_ERR_INIT_STAT 0x101
#define MG_ERR_TRANSLATION 0x102
#define MG_ERR_CTRL_RST 0x103
#define MG_ERR_INV_STAT 0x104
#define MG_ERR_RSTOUT 0x105
#define MG_MAX_ERRORS 6 /* Max read/write errors */
/* command */
#define MG_CMD_RD 0x20
#define MG_CMD_WR 0x30
#define MG_CMD_SLEEP 0x99
#define MG_CMD_WAKEUP 0xC3
#define MG_CMD_ID 0xEC
#define MG_CMD_WR_CONF 0x3C
#define MG_CMD_RD_CONF 0x40
/* operation mode */
#define MG_OP_CASCADE (1 << 0)
#define MG_OP_CASCADE_SYNC_RD (1 << 1)
#define MG_OP_CASCADE_SYNC_WR (1 << 2)
#define MG_OP_INTERLEAVE (1 << 3)
/* synchronous */
#define MG_BURST_LAT_4 (3 << 4)
#define MG_BURST_LAT_5 (4 << 4)
#define MG_BURST_LAT_6 (5 << 4)
#define MG_BURST_LAT_7 (6 << 4)
#define MG_BURST_LAT_8 (7 << 4)
#define MG_BURST_LEN_4 (1 << 1)
#define MG_BURST_LEN_8 (2 << 1)
#define MG_BURST_LEN_16 (3 << 1)
#define MG_BURST_LEN_32 (4 << 1)
#define MG_BURST_LEN_CONT (0 << 1)
/* timeout value (unit: ms) */
#define MG_TMAX_CONF_TO_CMD 1
#define MG_TMAX_WAIT_RD_DRQ 10
#define MG_TMAX_WAIT_WR_DRQ 500
#define MG_TMAX_RST_TO_BUSY 10
#define MG_TMAX_HDRST_TO_RDY 500
#define MG_TMAX_SWRST_TO_RDY 500
#define MG_TMAX_RSTOUT 3000
/* device attribution */
/* use mflash as boot device */
#define MG_BOOT_DEV (1 << 0)
/* use mflash as storage device */
#define MG_STORAGE_DEV (1 << 1)
/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
#define MG_STORAGE_DEV_SKIP_RST (1 << 2)
#define MG_DEV_MASK (MG_BOOT_DEV | MG_STORAGE_DEV | MG_STORAGE_DEV_SKIP_RST)
/* names of GPIO resource */
#define MG_RST_PIN "mg_rst"
/* except MG_BOOT_DEV, reset-out pin should be assigned */
#define MG_RSTOUT_PIN "mg_rstout"
/* private driver data */
struct mg_drv_data {
/* disk resource */
u32 use_polling;
/* device attribution */
u32 dev_attr;
/* internally used */
struct mg_host *host;
};
/* main structure for mflash driver */
struct mg_host {
struct device *dev;
struct request_queue *breq;
spinlock_t lock;
struct gendisk *gd;
struct timer_list timer;
void (*mg_do_intr) (struct mg_host *);
u16 id[ATA_ID_WORDS];
u16 cyls;
u16 heads;
u16 sectors;
u32 n_sectors;
u32 nres_sectors;
void __iomem *dev_base;
unsigned int irq;
unsigned int rst;
unsigned int rstout;
u32 major;
u32 error;
};
/*
* Debugging macro and defines
*/
#undef DO_MG_DEBUG
#ifdef DO_MG_DEBUG
# define MG_DBG(fmt, args...) \
printk(KERN_DEBUG "%s:%d "fmt, __func__, __LINE__, ##args)
#else /* CONFIG_MG_DEBUG */
# define MG_DBG(fmt, args...) do { } while (0)
#endif /* CONFIG_MG_DEBUG */
#endif

11
include/linux/mm.h
View file

@ -19,6 +19,7 @@ struct anon_vma;
struct file_ra_state;
struct user_struct;
struct writeback_control;
struct rlimit;
#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */
extern unsigned long max_mapnr;
@ -580,12 +581,10 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
*/
static inline unsigned long round_hint_to_min(unsigned long hint)
{
#ifdef CONFIG_SECURITY
hint &= PAGE_MASK;
if (((void *)hint != NULL) &&
(hint < mmap_min_addr))
return PAGE_ALIGN(mmap_min_addr);
#endif
return hint;
}
@ -1031,8 +1030,6 @@ extern void add_active_range(unsigned int nid, unsigned long start_pfn,
unsigned long end_pfn);
extern void remove_active_range(unsigned int nid, unsigned long start_pfn,
unsigned long end_pfn);
extern void push_node_boundaries(unsigned int nid, unsigned long start_pfn,
unsigned long end_pfn);
extern void remove_all_active_ranges(void);
extern unsigned long absent_pages_in_range(unsigned long start_pfn,
unsigned long end_pfn);
@ -1319,8 +1316,8 @@ int vmemmap_populate_basepages(struct page *start_page,
int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
void vmemmap_populate_print_last(void);
extern void *alloc_locked_buffer(size_t size);
extern void free_locked_buffer(void *buffer, size_t size);
extern void release_locked_buffer(void *buffer, size_t size);
extern int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
size_t size);
extern void refund_locked_memory(struct mm_struct *mm, size_t size);
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */

2
include/linux/mmiotrace.h
View file

@ -30,6 +30,8 @@ extern unsigned int kmmio_count;
extern int register_kmmio_probe(struct kmmio_probe *p);
extern void unregister_kmmio_probe(struct kmmio_probe *p);
extern int kmmio_init(void);
extern void kmmio_cleanup(void);
#ifdef CONFIG_MMIOTRACE
/* kmmio is active by some kmmio_probes? */

26
include/linux/mmzone.h
View file

@ -1097,6 +1097,32 @@ unsigned long __init node_memmap_size_bytes(int, unsigned long, unsigned long);
#define pfn_valid_within(pfn) (1)
#endif
#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
/*
* pfn_valid() is meant to be able to tell if a given PFN has valid memmap
* associated with it or not. In FLATMEM, it is expected that holes always
* have valid memmap as long as there is valid PFNs either side of the hole.
* In SPARSEMEM, it is assumed that a valid section has a memmap for the
* entire section.
*
* However, an ARM, and maybe other embedded architectures in the future
* free memmap backing holes to save memory on the assumption the memmap is
* never used. The page_zone linkages are then broken even though pfn_valid()
* returns true. A walker of the full memmap must then do this additional
* check to ensure the memmap they are looking at is sane by making sure
* the zone and PFN linkages are still valid. This is expensive, but walkers
* of the full memmap are extremely rare.
*/
int memmap_valid_within(unsigned long pfn,
struct page *page, struct zone *zone);
#else
static inline int memmap_valid_within(unsigned long pfn,
struct page *page, struct zone *zone)
{
return 1;
}
#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
#endif /* !__GENERATING_BOUNDS.H */
#endif /* !__ASSEMBLY__ */
#endif /* _LINUX_MMZONE_H */

8
include/linux/module.h
View file

@ -337,6 +337,14 @@ struct module
const char **trace_bprintk_fmt_start;
unsigned int num_trace_bprintk_fmt;
#endif
#ifdef CONFIG_EVENT_TRACING
struct ftrace_event_call *trace_events;
unsigned int num_trace_events;
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
unsigned long *ftrace_callsites;
unsigned int num_ftrace_callsites;
#endif
#ifdef CONFIG_MODULE_UNLOAD
/* What modules depend on me? */

25
include/linux/mount.h
View file

@ -30,7 +30,7 @@ struct mnt_namespace;
#define MNT_STRICTATIME 0x80
#define MNT_SHRINKABLE 0x100
#define MNT_IMBALANCED_WRITE_COUNT 0x200 /* just for debugging */
#define MNT_WRITE_HOLD 0x200
#define MNT_SHARED 0x1000 /* if the vfsmount is a shared mount */
#define MNT_UNBINDABLE 0x2000 /* if the vfsmount is a unbindable mount */
@ -65,13 +65,22 @@ struct vfsmount {
int mnt_expiry_mark; /* true if marked for expiry */
int mnt_pinned;
int mnt_ghosts;
/*
* This value is not stable unless all of the mnt_writers[] spinlocks
* are held, and all mnt_writer[]s on this mount have 0 as their ->count
*/
atomic_t __mnt_writers;
#ifdef CONFIG_SMP
int *mnt_writers;
#else
int mnt_writers;
#endif
};
static inline int *get_mnt_writers_ptr(struct vfsmount *mnt)
{
#ifdef CONFIG_SMP
return mnt->mnt_writers;
#else
return &mnt->mnt_writers;
#endif
}
static inline struct vfsmount *mntget(struct vfsmount *mnt)
{
if (mnt)
@ -79,7 +88,11 @@ static inline struct vfsmount *mntget(struct vfsmount *mnt)
return mnt;
}
struct file; /* forward dec */
extern int mnt_want_write(struct vfsmount *mnt);
extern int mnt_want_write_file(struct file *file);
extern int mnt_clone_write(struct vfsmount *mnt);
extern void mnt_drop_write(struct vfsmount *mnt);
extern void mntput_no_expire(struct vfsmount *mnt);
extern void mnt_pin(struct vfsmount *mnt);

1
include/linux/mutex.h
View file

@ -150,5 +150,6 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
*/
extern int mutex_trylock(struct mutex *lock);
extern void mutex_unlock(struct mutex *lock);
extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
#endif

5
include/linux/namei.h
View file

@ -18,6 +18,7 @@ enum { MAX_NESTED_LINKS = 8 };
struct nameidata {
struct path path;
struct qstr last;
struct path root;
unsigned int flags;
int last_type;
unsigned depth;
@ -77,8 +78,8 @@ extern void release_open_intent(struct nameidata *);
extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
extern struct dentry *lookup_one_noperm(const char *, struct dentry *);
extern int follow_down(struct vfsmount **, struct dentry **);
extern int follow_up(struct vfsmount **, struct dentry **);
extern int follow_down(struct path *);
extern int follow_up(struct path *);
extern struct dentry *lock_rename(struct dentry *, struct dentry *);
extern void unlock_rename(struct dentry *, struct dentry *);

1
include/linux/net_dropmon.h
View file

@ -1,6 +1,7 @@
#ifndef __NET_DROPMON_H
#define __NET_DROPMON_H
#include <linux/types.h>
#include <linux/netlink.h>
struct net_dm_drop_point {

4
include/linux/netfilter/nf_conntrack_tcp.h
View file

@ -35,6 +35,9 @@ enum tcp_conntrack {
/* Has unacknowledged data */
#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED 0x10
/* The field td_maxack has been set */
#define IP_CT_TCP_FLAG_MAXACK_SET 0x20
struct nf_ct_tcp_flags {
__u8 flags;
__u8 mask;
@ -46,6 +49,7 @@ struct ip_ct_tcp_state {
u_int32_t td_end; /* max of seq + len */
u_int32_t td_maxend; /* max of ack + max(win, 1) */
u_int32_t td_maxwin; /* max(win) */
u_int32_t td_maxack; /* max of ack */
u_int8_t td_scale; /* window scale factor */
u_int8_t flags; /* per direction options */
};

6
include/linux/nfsd/export.h
View file

@ -125,11 +125,9 @@ void nfsd_export_flush(void);
void exp_readlock(void);
void exp_readunlock(void);
struct svc_export * rqst_exp_get_by_name(struct svc_rqst *,
struct vfsmount *,
struct dentry *);
struct path *);
struct svc_export * rqst_exp_parent(struct svc_rqst *,
struct vfsmount *mnt,
struct dentry *dentry);
struct path *);
int exp_rootfh(struct auth_domain *,
char *path, struct knfsd_fh *, int maxsize);
__be32 exp_pseudoroot(struct svc_rqst *, struct svc_fh *);

4
include/linux/parport.h
View file

@ -324,6 +324,10 @@ struct parport {
int spintime;
atomic_t ref_count;
unsigned long devflags;
#define PARPORT_DEVPROC_REGISTERED 0
struct pardevice *proc_device; /* Currently register proc device */
struct list_head full_list;
struct parport *slaves[3];
};

4
include/linux/pci_ids.h
View file

@ -1406,7 +1406,7 @@
#define PCI_DEVICE_ID_VIA_82C598_1 0x8598
#define PCI_DEVICE_ID_VIA_838X_1 0xB188
#define PCI_DEVICE_ID_VIA_83_87XX_1 0xB198
#define PCI_DEVICE_ID_VIA_C409_IDE 0XC409
#define PCI_DEVICE_ID_VIA_VX855_IDE 0xC409
#define PCI_DEVICE_ID_VIA_ANON 0xFFFF
#define PCI_VENDOR_ID_SIEMENS 0x110A
@ -1996,10 +1996,12 @@
#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_U 0xC118
#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_GU 0xC11C
#define PCI_DEVICE_ID_OXSEMI_16PCI954 0x9501
#define PCI_DEVICE_ID_OXSEMI_C950 0x950B
#define PCI_DEVICE_ID_OXSEMI_16PCI95N 0x9511
#define PCI_DEVICE_ID_OXSEMI_16PCI954PP 0x9513
#define PCI_DEVICE_ID_OXSEMI_16PCI952 0x9521
#define PCI_DEVICE_ID_OXSEMI_16PCI952PP 0x9523
#define PCI_SUBDEVICE_ID_OXSEMI_C950 0x0001
#define PCI_VENDOR_ID_CHELSIO 0x1425

5
include/linux/percpu.h
View file

@ -86,7 +86,12 @@ struct percpu_data {
void *ptrs[1];
};
/* pointer disguising messes up the kmemleak objects tracking */
#ifndef CONFIG_DEBUG_KMEMLEAK
#define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)
#else
#define __percpu_disguise(pdata) (struct percpu_data *)(pdata)
#endif
#define per_cpu_ptr(ptr, cpu) \
({ \

697
include/linux/perf_counter.h Normal file
View file

@ -0,0 +1,697 @@
/*
* Performance counters:
*
* 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_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_GROUP = 1U << 4,
PERF_SAMPLE_CALLCHAIN = 1U << 5,
PERF_SAMPLE_ID = 1U << 6,
PERF_SAMPLE_CPU = 1U << 7,
PERF_SAMPLE_PERIOD = 1U << 8,
};
/*
* Bits that can be set in attr.read_format to request that
* reads on the counter should return the indicated quantities,
* in increasing order of bit value, after the counter value.
*/
enum perf_counter_read_format {
PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0,
PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1,
PERF_FORMAT_ID = 1U << 2,
};
/*
* Hardware event to monitor via a performance monitoring counter:
*/
struct perf_counter_attr {
/*
* Major type: hardware/software/tracepoint/etc.
*/
__u32 type;
__u32 __reserved_1;
/*
* 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 */
__reserved_2 : 53;
__u32 wakeup_events; /* wakeup every n events */
__u32 __reserved_3;
__u64 __reserved_4;
};
/*
* 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)
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 */
/*
* Control data for the mmap() data buffer.
*
* User-space reading this value should issue an rmb(), on SMP capable
* platforms, after reading this value -- see perf_counter_wakeup().
*/
__u64 data_head; /* head in the data section */
};
#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)
#define PERF_EVENT_MISC_OVERFLOW (1 << 2)
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;
*
* u32 pid, tid;
* char comm[];
* };
*/
PERF_EVENT_COMM = 3,
/*
* struct {
* struct perf_event_header header;
* u64 time;
* u64 id;
* u64 sample_period;
* };
*/
PERF_EVENT_PERIOD = 4,
/*
* struct {
* struct perf_event_header header;
* u64 time;
* u64 id;
* };
*/
PERF_EVENT_THROTTLE = 5,
PERF_EVENT_UNTHROTTLE = 6,
/*
* struct {
* struct perf_event_header header;
* u32 pid, ppid;
* };
*/
PERF_EVENT_FORK = 7,
/*
* When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field
* will be PERF_RECORD_*
*
* struct {
* struct perf_event_header header;
*
* { u64 ip; } && PERF_RECORD_IP
* { u32 pid, tid; } && PERF_RECORD_TID
* { u64 time; } && PERF_RECORD_TIME
* { u64 addr; } && PERF_RECORD_ADDR
* { u64 config; } && PERF_RECORD_CONFIG
* { u32 cpu, res; } && PERF_RECORD_CPU
*
* { u64 nr;
* { u64 id, val; } cnt[nr]; } && PERF_RECORD_GROUP
*
* { u16 nr,
* hv,
* kernel,
* user;
* u64 ips[nr]; } && PERF_RECORD_CALLCHAIN
* };
*/
};
#ifdef __KERNEL__
/*
* Kernel-internal data types and definitions:
*/
#ifdef CONFIG_PERF_COUNTERS
# include <asm/perf_counter.h>
#endif
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/spinlock.h>
#include <linux/hrtimer.h>
#include <linux/fs.h>
#include <linux/pid_namespace.h>
#include <asm/atomic.h>
struct task_struct;
/**
* struct hw_perf_counter - performance counter hardware details:
*/
struct hw_perf_counter {
#ifdef CONFIG_PERF_COUNTERS
union {
struct { /* hardware */
u64 config;
unsigned long config_base;
unsigned long counter_base;
int idx;
};
union { /* software */
atomic64_t count;
struct hrtimer hrtimer;
};
};
atomic64_t prev_count;
u64 sample_period;
u64 last_period;
atomic64_t period_left;
u64 interrupts;
u64 freq_count;
u64 freq_interrupts;
u64 freq_stamp;
#endif
};
struct perf_counter;
/**
* struct pmu - generic performance monitoring unit
*/
struct pmu {
int (*enable) (struct perf_counter *counter);
void (*disable) (struct perf_counter *counter);
void (*read) (struct perf_counter *counter);
void (*unthrottle) (struct perf_counter *counter);
};
/**
* enum perf_counter_active_state - the states of a counter
*/
enum perf_counter_active_state {
PERF_COUNTER_STATE_ERROR = -2,
PERF_COUNTER_STATE_OFF = -1,
PERF_COUNTER_STATE_INACTIVE = 0,
PERF_COUNTER_STATE_ACTIVE = 1,
};
struct file;
struct perf_mmap_data {
struct rcu_head rcu_head;
int nr_pages; /* nr of data pages */
int nr_locked; /* nr pages mlocked */
atomic_t poll; /* POLL_ for wakeups */
atomic_t events; /* event limit */
atomic_long_t head; /* write position */
atomic_long_t done_head; /* completed head */
atomic_t lock; /* concurrent writes */
atomic_t wakeup; /* needs a wakeup */
struct perf_counter_mmap_page *user_page;
void *data_pages[0];
};
struct perf_pending_entry {
struct perf_pending_entry *next;
void (*func)(struct perf_pending_entry *);
};
/**
* struct perf_counter - performance counter kernel representation:
*/
struct perf_counter {
#ifdef CONFIG_PERF_COUNTERS
struct list_head list_entry;
struct list_head event_entry;
struct list_head sibling_list;
int nr_siblings;
struct perf_counter *group_leader;
const struct pmu *pmu;
enum perf_counter_active_state state;
atomic64_t count;
/*
* These are the total time in nanoseconds that the counter
* has been enabled (i.e. eligible to run, and the task has
* been scheduled in, if this is a per-task counter)
* and running (scheduled onto the CPU), respectively.
*
* They are computed from tstamp_enabled, tstamp_running and
* tstamp_stopped when the counter is in INACTIVE or ACTIVE state.
*/
u64 total_time_enabled;
u64 total_time_running;
/*
* These are timestamps used for computing total_time_enabled
* and total_time_running when the counter is in INACTIVE or
* ACTIVE state, measured in nanoseconds from an arbitrary point
* in time.
* tstamp_enabled: the notional time when the counter was enabled
* tstamp_running: the notional time when the counter was scheduled on
* tstamp_stopped: in INACTIVE state, the notional time when the
* counter was scheduled off.
*/
u64 tstamp_enabled;
u64 tstamp_running;
u64 tstamp_stopped;
struct perf_counter_attr attr;
struct hw_perf_counter hw;
struct perf_counter_context *ctx;
struct file *filp;
/*
* These accumulate total time (in nanoseconds) that children
* counters have been enabled and running, respectively.
*/
atomic64_t child_total_time_enabled;
atomic64_t child_total_time_running;
/*
* Protect attach/detach and child_list:
*/
struct mutex child_mutex;
struct list_head child_list;
struct perf_counter *parent;
int oncpu;
int cpu;
struct list_head owner_entry;
struct task_struct *owner;
/* mmap bits */
struct mutex mmap_mutex;
atomic_t mmap_count;
struct perf_mmap_data *data;
/* poll related */
wait_queue_head_t waitq;
struct fasync_struct *fasync;
/* delayed work for NMIs and such */
int pending_wakeup;
int pending_kill;
int pending_disable;
struct perf_pending_entry pending;
atomic_t event_limit;
void (*destroy)(struct perf_counter *);
struct rcu_head rcu_head;
struct pid_namespace *ns;
u64 id;
#endif
};
/**
* struct perf_counter_context - counter context structure
*
* Used as a container for task counters and CPU counters as well:
*/
struct perf_counter_context {
/*
* Protect the states of the counters in the list,
* nr_active, and the list:
*/
spinlock_t lock;
/*
* Protect the list of counters. Locking either mutex or lock
* is sufficient to ensure the list doesn't change; to change
* the list you need to lock both the mutex and the spinlock.
*/
struct mutex mutex;
struct list_head counter_list;
struct list_head event_list;
int nr_counters;
int nr_active;
int is_active;
atomic_t refcount;
struct task_struct *task;
/*
* Context clock, runs when context enabled.
*/
u64 time;
u64 timestamp;
/*
* These fields let us detect when two contexts have both
* been cloned (inherited) from a common ancestor.
*/
struct perf_counter_context *parent_ctx;
u64 parent_gen;
u64 generation;
int pin_count;
struct rcu_head rcu_head;
};
/**
* struct perf_counter_cpu_context - per cpu counter context structure
*/
struct perf_cpu_context {
struct perf_counter_context ctx;
struct perf_counter_context *task_ctx;
int active_oncpu;
int max_pertask;
int exclusive;
/*
* Recursion avoidance:
*
* task, softirq, irq, nmi context
*/
int recursion[4];
};
#ifdef CONFIG_PERF_COUNTERS
/*
* Set by architecture code:
*/
extern int perf_max_counters;
extern const struct pmu *hw_perf_counter_init(struct perf_counter *counter);
extern void perf_counter_task_sched_in(struct task_struct *task, int cpu);
extern void perf_counter_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu);
extern void perf_counter_task_tick(struct task_struct *task, int cpu);
extern int perf_counter_init_task(struct task_struct *child);
extern void perf_counter_exit_task(struct task_struct *child);
extern void perf_counter_free_task(struct task_struct *task);
extern void perf_counter_do_pending(void);
extern void perf_counter_print_debug(void);
extern void __perf_disable(void);
extern bool __perf_enable(void);
extern void perf_disable(void);
extern void perf_enable(void);
extern int perf_counter_task_disable(void);
extern int perf_counter_task_enable(void);
extern int hw_perf_group_sched_in(struct perf_counter *group_leader,
struct perf_cpu_context *cpuctx,
struct perf_counter_context *ctx, int cpu);
extern void perf_counter_update_userpage(struct perf_counter *counter);
struct perf_sample_data {
struct pt_regs *regs;
u64 addr;
u64 period;
};
extern int perf_counter_overflow(struct perf_counter *counter, int nmi,
struct perf_sample_data *data);
/*
* Return 1 for a software counter, 0 for a hardware counter
*/
static inline int is_software_counter(struct perf_counter *counter)
{
return (counter->attr.type != PERF_TYPE_RAW) &&
(counter->attr.type != PERF_TYPE_HARDWARE);
}
extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
extern void __perf_counter_mmap(struct vm_area_struct *vma);
static inline void perf_counter_mmap(struct vm_area_struct *vma)
{
if (vma->vm_flags & VM_EXEC)
__perf_counter_mmap(vma);
}
extern void perf_counter_comm(struct task_struct *tsk);
extern void perf_counter_fork(struct task_struct *tsk);
extern void perf_counter_task_migration(struct task_struct *task, int cpu);
#define MAX_STACK_DEPTH 255
struct perf_callchain_entry {
u16 nr;
u16 hv;
u16 kernel;
u16 user;
u64 ip[MAX_STACK_DEPTH];
};
extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs);
extern int sysctl_perf_counter_paranoid;
extern int sysctl_perf_counter_mlock;
extern int sysctl_perf_counter_sample_rate;
extern void perf_counter_init(void);
#ifndef perf_misc_flags
#define perf_misc_flags(regs) (user_mode(regs) ? PERF_EVENT_MISC_USER : \
PERF_EVENT_MISC_KERNEL)
#define perf_instruction_pointer(regs) instruction_pointer(regs)
#endif
#else
static inline void
perf_counter_task_sched_in(struct task_struct *task, int cpu) { }
static inline void
perf_counter_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu) { }
static inline void
perf_counter_task_tick(struct task_struct *task, int cpu) { }
static inline int perf_counter_init_task(struct task_struct *child) { return 0; }
static inline void perf_counter_exit_task(struct task_struct *child) { }
static inline void perf_counter_free_task(struct task_struct *task) { }
static inline void perf_counter_do_pending(void) { }
static inline void perf_counter_print_debug(void) { }
static inline void perf_disable(void) { }
static inline void perf_enable(void) { }
static inline int perf_counter_task_disable(void) { return -EINVAL; }
static inline int perf_counter_task_enable(void) { return -EINVAL; }
static inline void
perf_swcounter_event(u32 event, u64 nr, int nmi,
struct pt_regs *regs, u64 addr) { }
static inline void perf_counter_mmap(struct vm_area_struct *vma) { }
static inline void perf_counter_comm(struct task_struct *tsk) { }
static inline void perf_counter_fork(struct task_struct *tsk) { }
static inline void perf_counter_init(void) { }
static inline void perf_counter_task_migration(struct task_struct *task,
int cpu) { }
#endif
#endif /* __KERNEL__ */
#endif /* _LINUX_PERF_COUNTER_H */

1
include/linux/pipe_fs_i.h
View file

@ -152,5 +152,6 @@ void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void
void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
#endif

3
include/linux/prctl.h
View file

@ -85,4 +85,7 @@
#define PR_SET_TIMERSLACK 29
#define PR_GET_TIMERSLACK 30
#define PR_TASK_PERF_COUNTERS_DISABLE 31
#define PR_TASK_PERF_COUNTERS_ENABLE 32
#endif /* _LINUX_PRCTL_H */

24
include/linux/proc_fs.h
View file

@ -93,20 +93,9 @@ struct vmcore {
#ifdef CONFIG_PROC_FS
extern spinlock_t proc_subdir_lock;
extern void proc_root_init(void);
void proc_flush_task(struct task_struct *task);
struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *);
int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
unsigned long task_vsize(struct mm_struct *);
int task_statm(struct mm_struct *, int *, int *, int *, int *);
void task_mem(struct seq_file *, struct mm_struct *);
void clear_refs_smap(struct mm_struct *mm);
struct proc_dir_entry *de_get(struct proc_dir_entry *de);
void de_put(struct proc_dir_entry *de);
extern struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
struct proc_dir_entry *parent);
@ -116,20 +105,7 @@ struct proc_dir_entry *proc_create_data(const char *name, mode_t mode,
void *data);
extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
extern struct vfsmount *proc_mnt;
struct pid_namespace;
extern int proc_fill_super(struct super_block *);
extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct proc_dir_entry *);
/*
* These are generic /proc routines that use the internal
* "struct proc_dir_entry" tree to traverse the filesystem.
*
* The /proc root directory has extended versions to take care
* of the /proc/<pid> subdirectories.
*/
extern int proc_readdir(struct file *, void *, filldir_t);
extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
extern int pid_ns_prepare_proc(struct pid_namespace *ns);
extern void pid_ns_release_proc(struct pid_namespace *ns);

10
include/linux/ptrace.h
View file

@ -95,7 +95,6 @@ extern void __ptrace_link(struct task_struct *child,
struct task_struct *new_parent);
extern void __ptrace_unlink(struct task_struct *child);
extern void exit_ptrace(struct task_struct *tracer);
extern void ptrace_fork(struct task_struct *task, unsigned long clone_flags);
#define PTRACE_MODE_READ 1
#define PTRACE_MODE_ATTACH 2
/* Returns 0 on success, -errno on denial. */
@ -327,15 +326,6 @@ static inline void user_enable_block_step(struct task_struct *task)
#define arch_ptrace_untrace(task) do { } while (0)
#endif
#ifndef arch_ptrace_fork
/*
* Do machine-specific work to initialize a new task.
*
* This is called from copy_process().
*/
#define arch_ptrace_fork(child, clone_flags) do { } while (0)
#endif
extern int task_current_syscall(struct task_struct *target, long *callno,
unsigned long args[6], unsigned int maxargs,
unsigned long *sp, unsigned long *pc);

61
include/linux/qnx4_fs.h
View file

@ -85,65 +85,4 @@ struct qnx4_super_block {
struct qnx4_inode_entry AltBoot;
};
#ifdef __KERNEL__
#define QNX4_DEBUG 0
#if QNX4_DEBUG
#define QNX4DEBUG(X) printk X
#else
#define QNX4DEBUG(X) (void) 0
#endif
struct qnx4_sb_info {
struct buffer_head *sb_buf; /* superblock buffer */
struct qnx4_super_block *sb; /* our superblock */
unsigned int Version; /* may be useful */
struct qnx4_inode_entry *BitMap; /* useful */
};
struct qnx4_inode_info {
struct qnx4_inode_entry raw;
loff_t mmu_private;
struct inode vfs_inode;
};
extern struct inode *qnx4_iget(struct super_block *, unsigned long);
extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
extern struct buffer_head *qnx4_bread(struct inode *, int, int);
extern const struct inode_operations qnx4_file_inode_operations;
extern const struct inode_operations qnx4_dir_inode_operations;
extern const struct file_operations qnx4_file_operations;
extern const struct file_operations qnx4_dir_operations;
extern int qnx4_is_free(struct super_block *sb, long block);
extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy);
extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd);
extern void qnx4_truncate(struct inode *inode);
extern void qnx4_free_inode(struct inode *inode);
extern int qnx4_unlink(struct inode *dir, struct dentry *dentry);
extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry);
extern int qnx4_sync_file(struct file *file, struct dentry *dentry, int);
extern int qnx4_sync_inode(struct inode *inode);
static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
{
return sb->s_fs_info;
}
static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
{
return container_of(inode, struct qnx4_inode_info, vfs_inode);
}
static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
{
return &qnx4_i(inode)->raw;
}
#endif /* __KERNEL__ */
#endif

20
include/linux/quotaops.h
View file

@ -20,7 +20,12 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
/*
* declaration of quota_function calls in kernel.
*/
void sync_dquots(struct super_block *sb, int type);
void sync_quota_sb(struct super_block *sb, int type);
static inline void writeout_quota_sb(struct super_block *sb, int type)
{
if (sb->s_qcop->quota_sync)
sb->s_qcop->quota_sync(sb, type);
}
int dquot_initialize(struct inode *inode, int type);
int dquot_drop(struct inode *inode);
@ -253,12 +258,7 @@ static inline void vfs_dq_free_inode(struct inode *inode)
inode->i_sb->dq_op->free_inode(inode, 1);
}
/* The following two functions cannot be called inside a transaction */
static inline void vfs_dq_sync(struct super_block *sb)
{
sync_dquots(sb, -1);
}
/* Cannot be called inside a transaction */
static inline int vfs_dq_off(struct super_block *sb, int remount)
{
int ret = -ENOSYS;
@ -334,7 +334,11 @@ static inline void vfs_dq_free_inode(struct inode *inode)
{
}
static inline void vfs_dq_sync(struct super_block *sb)
static inline void sync_quota_sb(struct super_block *sb, int type)
{
}
static inline void writeout_quota_sb(struct super_block *sb, int type)
{
}

19
include/linux/rational.h Normal file
View file

@ -0,0 +1,19 @@
/*
* rational fractions
*
* Copyright (C) 2009 emlix GmbH, Oskar Schirmer <os@emlix.com>
*
* helper functions when coping with rational numbers,
* e.g. when calculating optimum numerator/denominator pairs for
* pll configuration taking into account restricted register size
*/
#ifndef _LINUX_RATIONAL_H
#define _LINUX_RATIONAL_H
void rational_best_approximation(
unsigned long given_numerator, unsigned long given_denominator,
unsigned long max_numerator, unsigned long max_denominator,
unsigned long *best_numerator, unsigned long *best_denominator);
#endif /* _LINUX_RATIONAL_H */

30
include/linux/rculist.h
View file

@ -198,6 +198,32 @@ static inline void list_splice_init_rcu(struct list_head *list,
at->prev = last;
}
/**
* list_entry_rcu - get the struct for this entry
* @ptr: the &struct list_head pointer.
* @type: the type of the struct this is embedded in.
* @member: the name of the list_struct within the struct.
*
* This primitive may safely run concurrently with the _rcu list-mutation
* primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
*/
#define list_entry_rcu(ptr, type, member) \
container_of(rcu_dereference(ptr), type, member)
/**
* list_first_entry_rcu - get the first element from a list
* @ptr: the list head to take the element from.
* @type: the type of the struct this is embedded in.
* @member: the name of the list_struct within the struct.
*
* Note, that list is expected to be not empty.
*
* This primitive may safely run concurrently with the _rcu list-mutation
* primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
*/
#define list_first_entry_rcu(ptr, type, member) \
list_entry_rcu((ptr)->next, type, member)
#define __list_for_each_rcu(pos, head) \
for (pos = rcu_dereference((head)->next); \
pos != (head); \
@ -214,9 +240,9 @@ static inline void list_splice_init_rcu(struct list_head *list,
* as long as the traversal is guarded by rcu_read_lock().
*/
#define list_for_each_entry_rcu(pos, head, member) \
for (pos = list_entry(rcu_dereference((head)->next), typeof(*pos), member); \
for (pos = list_entry_rcu((head)->next, typeof(*pos), member); \
prefetch(pos->member.next), &pos->member != (head); \
pos = list_entry(rcu_dereference(pos->member.next), typeof(*pos), member))
pos = list_entry_rcu(pos->member.next, typeof(*pos), member))
/**

9
include/linux/rcutree.h
View file

@ -161,8 +161,15 @@ struct rcu_data {
unsigned long offline_fqs; /* Kicked due to being offline. */
unsigned long resched_ipi; /* Sent a resched IPI. */
/* 5) For future __rcu_pending statistics. */
/* 5) __rcu_pending() statistics. */
long n_rcu_pending; /* rcu_pending() calls since boot. */
long n_rp_qs_pending;
long n_rp_cb_ready;
long n_rp_cpu_needs_gp;
long n_rp_gp_completed;
long n_rp_gp_started;
long n_rp_need_fqs;
long n_rp_need_nothing;
int cpu;
};

2
include/linux/reiserfs_fs_sb.h
View file

@ -453,6 +453,7 @@ enum reiserfs_mount_options {
REISERFS_ATTRS,
REISERFS_XATTRS_USER,
REISERFS_POSIXACL,
REISERFS_EXPOSE_PRIVROOT,
REISERFS_BARRIER_NONE,
REISERFS_BARRIER_FLUSH,
@ -490,6 +491,7 @@ enum reiserfs_mount_options {
#define reiserfs_data_writeback(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_DATA_WRITEBACK))
#define reiserfs_xattrs_user(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_XATTRS_USER))
#define reiserfs_posixacl(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_POSIXACL))
#define reiserfs_expose_privroot(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_EXPOSE_PRIVROOT))
#define reiserfs_xattrs_optional(s) (reiserfs_xattrs_user(s) || reiserfs_posixacl(s))
#define reiserfs_barrier_none(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_BARRIER_NONE))
#define reiserfs_barrier_flush(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_BARRIER_FLUSH))

66
include/linux/ring_buffer.h
View file

@ -11,7 +11,7 @@ struct ring_buffer_iter;
* Don't refer to this struct directly, use functions below.
*/
struct ring_buffer_event {
u32 type:2, len:3, time_delta:27;
u32 type_len:5, time_delta:27;
u32 array[];
};
@ -24,7 +24,8 @@ struct ring_buffer_event {
* size is variable depending on how much
* padding is needed
* If time_delta is non zero:
* everything else same as RINGBUF_TYPE_DATA
* array[0] holds the actual length
* size = 4 + length (bytes)
*
* @RINGBUF_TYPE_TIME_EXTEND: Extend the time delta
* array[0] = time delta (28 .. 59)
@ -35,22 +36,23 @@ struct ring_buffer_event {
* array[1..2] = tv_sec
* size = 16 bytes
*
* @RINGBUF_TYPE_DATA: Data record
* If len is zero:
* <= @RINGBUF_TYPE_DATA_TYPE_LEN_MAX:
* Data record
* If type_len is zero:
* array[0] holds the actual length
* array[1..(length+3)/4] holds data
* size = 4 + 4 + length (bytes)
* size = 4 + length (bytes)
* else
* length = len << 2
* length = type_len << 2
* array[0..(length+3)/4-1] holds data
* size = 4 + length (bytes)
*/
enum ring_buffer_type {
RINGBUF_TYPE_DATA_TYPE_LEN_MAX = 28,
RINGBUF_TYPE_PADDING,
RINGBUF_TYPE_TIME_EXTEND,
/* FIXME: RINGBUF_TYPE_TIME_STAMP not implemented */
RINGBUF_TYPE_TIME_STAMP,
RINGBUF_TYPE_DATA,
};
unsigned ring_buffer_event_length(struct ring_buffer_event *event);
@ -68,13 +70,54 @@ ring_buffer_event_time_delta(struct ring_buffer_event *event)
return event->time_delta;
}
/*
* ring_buffer_event_discard can discard any event in the ring buffer.
* it is up to the caller to protect against a reader from
* consuming it or a writer from wrapping and replacing it.
*
* No external protection is needed if this is called before
* the event is commited. But in that case it would be better to
* use ring_buffer_discard_commit.
*
* Note, if an event that has not been committed is discarded
* with ring_buffer_event_discard, it must still be committed.
*/
void ring_buffer_event_discard(struct ring_buffer_event *event);
/*
* ring_buffer_discard_commit will remove an event that has not
* ben committed yet. If this is used, then ring_buffer_unlock_commit
* must not be called on the discarded event. This function
* will try to remove the event from the ring buffer completely
* if another event has not been written after it.
*
* Example use:
*
* if (some_condition)
* ring_buffer_discard_commit(buffer, event);
* else
* ring_buffer_unlock_commit(buffer, event);
*/
void ring_buffer_discard_commit(struct ring_buffer *buffer,
struct ring_buffer_event *event);
/*
* size is in bytes for each per CPU buffer.
*/
struct ring_buffer *
ring_buffer_alloc(unsigned long size, unsigned flags);
__ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *key);
/*
* Because the ring buffer is generic, if other users of the ring buffer get
* traced by ftrace, it can produce lockdep warnings. We need to keep each
* ring buffer's lock class separate.
*/
#define ring_buffer_alloc(size, flags) \
({ \
static struct lock_class_key __key; \
__ring_buffer_alloc((size), (flags), &__key); \
})
void ring_buffer_free(struct ring_buffer *buffer);
int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size);
@ -122,6 +165,8 @@ unsigned long ring_buffer_entries(struct ring_buffer *buffer);
unsigned long ring_buffer_overruns(struct ring_buffer *buffer);
unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu);
unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu);
unsigned long ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu);
unsigned long ring_buffer_nmi_dropped_cpu(struct ring_buffer *buffer, int cpu);
u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu);
void ring_buffer_normalize_time_stamp(struct ring_buffer *buffer,
@ -137,6 +182,11 @@ void ring_buffer_free_read_page(struct ring_buffer *buffer, void *data);
int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page,
size_t len, int cpu, int full);
struct trace_seq;
int ring_buffer_print_entry_header(struct trace_seq *s);
int ring_buffer_print_page_header(struct trace_seq *s);
enum ring_buffer_flags {
RB_FL_OVERWRITE = 1 << 0,
};

79
include/linux/sched.h
View file

@ -77,6 +77,7 @@ struct sched_param {
#include <linux/proportions.h>
#include <linux/seccomp.h>
#include <linux/rcupdate.h>
#include <linux/rculist.h>
#include <linux/rtmutex.h>
#include <linux/time.h>
@ -96,8 +97,9 @@ struct exec_domain;
struct futex_pi_state;
struct robust_list_head;
struct bio;
struct bts_tracer;
struct fs_struct;
struct bts_context;
struct perf_counter_context;
/*
* List of flags we want to share for kernel threads,
@ -116,6 +118,7 @@ struct fs_struct;
* 11 bit fractions.
*/
extern unsigned long avenrun[]; /* Load averages */
extern void get_avenrun(unsigned long *loads, unsigned long offset, int shift);
#define FSHIFT 11 /* nr of bits of precision */
#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
@ -135,8 +138,9 @@ DECLARE_PER_CPU(unsigned long, process_counts);
extern int nr_processes(void);
extern unsigned long nr_running(void);
extern unsigned long nr_uninterruptible(void);
extern unsigned long nr_active(void);
extern unsigned long nr_iowait(void);
extern void calc_global_load(void);
extern u64 cpu_nr_migrations(int cpu);
extern unsigned long get_parent_ip(unsigned long addr);
@ -672,6 +676,10 @@ struct user_struct {
struct work_struct work;
#endif
#endif
#ifdef CONFIG_PERF_COUNTERS
atomic_long_t locked_vm;
#endif
};
extern int uids_sysfs_init(void);
@ -838,7 +846,17 @@ struct sched_group {
*/
u32 reciprocal_cpu_power;
unsigned long cpumask[];
/*
* The CPUs this group covers.
*
* NOTE: this field is variable length. (Allocated dynamically
* by attaching extra space to the end of the structure,
* depending on how many CPUs the kernel has booted up with)
*
* It is also be embedded into static data structures at build
* time. (See 'struct static_sched_group' in kernel/sched.c)
*/
unsigned long cpumask[0];
};
static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
@ -924,8 +942,17 @@ struct sched_domain {
char *name;
#endif
/* span of all CPUs in this domain */
unsigned long span[];
/*
* Span of all CPUs in this domain.
*
* NOTE: this field is variable length. (Allocated dynamically
* by attaching extra space to the end of the structure,
* depending on how many CPUs the kernel has booted up with)
*
* It is also be embedded into static data structures at build
* time. (See 'struct static_sched_domain' in kernel/sched.c)
*/
unsigned long span[0];
};
static inline struct cpumask *sched_domain_span(struct sched_domain *sd)
@ -1052,9 +1079,10 @@ struct sched_entity {
u64 last_wakeup;
u64 avg_overlap;
u64 nr_migrations;
u64 start_runtime;
u64 avg_wakeup;
u64 nr_migrations;
#ifdef CONFIG_SCHEDSTATS
u64 wait_start;
@ -1209,18 +1237,11 @@ struct task_struct {
struct list_head ptraced;
struct list_head ptrace_entry;
#ifdef CONFIG_X86_PTRACE_BTS
/*
* This is the tracer handle for the ptrace BTS extension.
* This field actually belongs to the ptracer task.
*/
struct bts_tracer *bts;
/*
* The buffer to hold the BTS data.
*/
void *bts_buffer;
size_t bts_size;
#endif /* CONFIG_X86_PTRACE_BTS */
struct bts_context *bts;
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];
@ -1247,7 +1268,9 @@ struct task_struct {
* credentials (COW) */
const struct cred *cred; /* effective (overridable) subjective task
* credentials (COW) */
struct mutex cred_exec_mutex; /* execve vs ptrace cred calculation mutex */
struct mutex cred_guard_mutex; /* guard against foreign influences on
* credential calculations
* (notably. ptrace) */
char comm[TASK_COMM_LEN]; /* executable name excluding path
- access with [gs]et_task_comm (which lock
@ -1380,6 +1403,11 @@ struct task_struct {
struct list_head pi_state_list;
struct futex_pi_state *pi_state_cache;
#endif
#ifdef CONFIG_PERF_COUNTERS
struct perf_counter_context *perf_counter_ctxp;
struct mutex perf_counter_mutex;
struct list_head perf_counter_list;
#endif
#ifdef CONFIG_NUMA
struct mempolicy *mempolicy;
short il_next;
@ -1428,7 +1456,9 @@ struct task_struct {
#ifdef CONFIG_TRACING
/* state flags for use by tracers */
unsigned long trace;
#endif
/* bitmask of trace recursion */
unsigned long trace_recursion;
#endif /* CONFIG_TRACING */
};
/* Future-safe accessor for struct task_struct's cpus_allowed. */
@ -1885,6 +1915,7 @@ extern void sched_dead(struct task_struct *p);
extern void proc_caches_init(void);
extern void flush_signals(struct task_struct *);
extern void __flush_signals(struct task_struct *);
extern void ignore_signals(struct task_struct *);
extern void flush_signal_handlers(struct task_struct *, int force_default);
extern int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info);
@ -2001,8 +2032,10 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
extern char *get_task_comm(char *to, struct task_struct *tsk);
#ifdef CONFIG_SMP
extern void wait_task_context_switch(struct task_struct *p);
extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else
static inline void wait_task_context_switch(struct task_struct *p) {}
static inline unsigned long wait_task_inactive(struct task_struct *p,
long match_state)
{
@ -2010,7 +2043,8 @@ static inline unsigned long wait_task_inactive(struct task_struct *p,
}
#endif
#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
#define next_task(p) \
list_entry_rcu((p)->tasks.next, struct task_struct, tasks)
#define for_each_process(p) \
for (p = &init_task ; (p = next_task(p)) != &init_task ; )
@ -2049,8 +2083,8 @@ int same_thread_group(struct task_struct *p1, struct task_struct *p2)
static inline struct task_struct *next_thread(const struct task_struct *p)
{
return list_entry(rcu_dereference(p->thread_group.next),
struct task_struct, thread_group);
return list_entry_rcu(p->thread_group.next,
struct task_struct, thread_group);
}
static inline int thread_group_empty(struct task_struct *p)
@ -2388,6 +2422,13 @@ static inline void inc_syscw(struct task_struct *tsk)
#define TASK_SIZE_OF(tsk) TASK_SIZE
#endif
/*
* Call the function if the target task is executing on a CPU right now:
*/
extern void task_oncpu_function_call(struct task_struct *p,
void (*func) (void *info), void *info);
#ifdef CONFIG_MM_OWNER
extern void mm_update_next_owner(struct mm_struct *mm);
extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p);

2
include/linux/security.h
View file

@ -2197,6 +2197,8 @@ static inline int security_file_mmap(struct file *file, unsigned long reqprot,
unsigned long addr,
unsigned long addr_only)
{
if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
return -EACCES;
return 0;
}

108
include/linux/serial.h
View file

@ -96,54 +96,76 @@ struct serial_uart_config {
/*
* Definitions for async_struct (and serial_struct) flags field
*
* Define ASYNCB_* for convenient use with {test,set,clear}_bit.
*/
#define ASYNC_HUP_NOTIFY 0x0001 /* Notify getty on hangups and closes
on the callout port */
#define ASYNC_FOURPORT 0x0002 /* Set OU1, OUT2 per AST Fourport settings */
#define ASYNC_SAK 0x0004 /* Secure Attention Key (Orange book) */
#define ASYNC_SPLIT_TERMIOS 0x0008 /* Separate termios for dialin/callout */
#define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes
* on the callout port */
#define ASYNCB_FOURPORT 1 /* Set OU1, OUT2 per AST Fourport settings */
#define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */
#define ASYNCB_SPLIT_TERMIOS 3 /* Separate termios for dialin/callout */
#define ASYNCB_SPD_HI 4 /* Use 56000 instead of 38400 bps */
#define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */
#define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */
#define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during
* autoconfiguration */
#define ASYNCB_SESSION_LOCKOUT 8 /* Lock out cua opens based on session */
#define ASYNCB_PGRP_LOCKOUT 9 /* Lock out cua opens based on pgrp */
#define ASYNCB_CALLOUT_NOHUP 10 /* Don't do hangups for cua device */
#define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */
#define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */
#define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */
#define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety
* checks. Note: can be dangerous! */
#define ASYNCB_AUTOPROBE 15 /* Port was autoprobed by PCI or PNP code */
#define ASYNCB_LAST_USER 15
#define ASYNC_SPD_MASK 0x1030
#define ASYNC_SPD_HI 0x0010 /* Use 56000 instead of 38400 bps */
/* Internal flags used only by kernel */
#define ASYNCB_INITIALIZED 31 /* Serial port was initialized */
#define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */
#define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */
#define ASYNCB_CLOSING 27 /* Serial port is closing */
#define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */
#define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */
#define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */
#define ASYNCB_CONS_FLOW 23 /* flow control for console */
#define ASYNCB_BOOT_ONLYMCA 22 /* Probe only if MCA bus */
#define ASYNCB_FIRST_KERNEL 22
#define ASYNC_SPD_VHI 0x0020 /* Use 115200 instead of 38400 bps */
#define ASYNC_SPD_CUST 0x0030 /* Use user-specified divisor */
#define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY)
#define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT)
#define ASYNC_SAK (1U << ASYNCB_SAK)
#define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS)
#define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI)
#define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI)
#define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST)
#define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ)
#define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT)
#define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT)
#define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP)
#define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD)
#define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI)
#define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY)
#define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART)
#define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE)
#define ASYNC_SKIP_TEST 0x0040 /* Skip UART test during autoconfiguration */
#define ASYNC_AUTO_IRQ 0x0080 /* Do automatic IRQ during autoconfiguration */
#define ASYNC_SESSION_LOCKOUT 0x0100 /* Lock out cua opens based on session */
#define ASYNC_PGRP_LOCKOUT 0x0200 /* Lock out cua opens based on pgrp */
#define ASYNC_CALLOUT_NOHUP 0x0400 /* Don't do hangups for cua device */
#define ASYNC_FLAGS ((1U << ASYNCB_LAST_USER) - 1)
#define ASYNC_USR_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI| \
ASYNC_CALLOUT_NOHUP|ASYNC_SPD_SHI|ASYNC_LOW_LATENCY)
#define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI)
#define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI)
#define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)
#define ASYNC_HARDPPS_CD 0x0800 /* Call hardpps when CD goes high */
#define ASYNC_SPD_SHI 0x1000 /* Use 230400 instead of 38400 bps */
#define ASYNC_SPD_WARP 0x1010 /* Use 460800 instead of 38400 bps */
#define ASYNC_LOW_LATENCY 0x2000 /* Request low latency behaviour */
#define ASYNC_BUGGY_UART 0x4000 /* This is a buggy UART, skip some safety
* checks. Note: can be dangerous! */
#define ASYNC_AUTOPROBE 0x8000 /* Port was autoprobed by PCI or PNP code */
#define ASYNC_FLAGS 0x7FFF /* Possible legal async flags */
#define ASYNC_USR_MASK 0x3430 /* Legal flags that non-privileged
* users can set or reset */
/* Internal flags used only by kernel/chr_drv/serial.c */
#define ASYNC_INITIALIZED 0x80000000 /* Serial port was initialized */
#define ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device is active */
#define ASYNC_BOOT_AUTOCONF 0x10000000 /* Autoconfigure port on bootup */
#define ASYNC_CLOSING 0x08000000 /* Serial port is closing */
#define ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */
#define ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */
#define ASYNC_SHARE_IRQ 0x01000000 /* for multifunction cards
--- no longer used */
#define ASYNC_CONS_FLOW 0x00800000 /* flow control for console */
#define ASYNC_BOOT_ONLYMCA 0x00400000 /* Probe only if MCA bus */
#define ASYNC_INTERNAL_FLAGS 0xFFC00000 /* Internal flags */
#define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED)
#define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE)
#define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF)
#define ASYNC_CLOSING (1U << ASYNCB_CLOSING)
#define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW)
#define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD)
#define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ)
#define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW)
#define ASYNC_BOOT_ONLYMCA (1U << ASYNCB_BOOT_ONLYMCA)
#define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1))
/*
* Multiport serial configuration structure --- external structure

6
include/linux/serial_core.h
View file

@ -41,7 +41,8 @@
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */
#define PORT_MAX_8250 17 /* max port ID */
#define PORT_AR7 18 /* Texas Instruments AR7 internal UART */
#define PORT_MAX_8250 18 /* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed
@ -167,6 +168,9 @@
/* MAX3100 */
#define PORT_MAX3100 86
/* Timberdale UART */
#define PORT_TIMBUART 87
#ifdef __KERNEL__
#include <linux/compiler.h>

3
include/linux/serial_sci.h
View file

@ -25,8 +25,7 @@ struct plat_sci_port {
unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */
unsigned int type; /* SCI / SCIF / IRDA */
upf_t flags; /* UPF_* flags */
char *clk; /* clock string */
};
int early_sci_setup(struct uart_port *port);
#endif /* __LINUX_SERIAL_SCI_H */

13
include/linux/sh_cmt.h
View file

@ -1,13 +0,0 @@
#ifndef __SH_CMT_H__
#define __SH_CMT_H__
struct sh_cmt_config {
char *name;
unsigned long channel_offset;
int timer_bit;
char *clk;
unsigned long clockevent_rating;
unsigned long clocksource_rating;
};
#endif /* __SH_CMT_H__ */

13
include/linux/sh_timer.h Normal file
View file

@ -0,0 +1,13 @@
#ifndef __SH_TIMER_H__
#define __SH_TIMER_H__
struct sh_timer_config {
char *name;
long channel_offset;
int timer_bit;
char *clk;
unsigned long clockevent_rating;
unsigned long clocksource_rating;
};
#endif /* __SH_TIMER_H__ */

2
include/linux/signal.h
View file

@ -235,6 +235,8 @@ static inline int valid_signal(unsigned long sig)
extern int next_signal(struct sigpending *pending, sigset_t *mask);
extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *);
extern long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
siginfo_t *info);
extern long do_sigpending(void __user *, unsigned long);
extern int sigprocmask(int, sigset_t *, sigset_t *);
extern int show_unhandled_signals;

2
include/linux/slab.h
View file

@ -62,6 +62,8 @@
# define SLAB_DEBUG_OBJECTS 0x00000000UL
#endif
#define SLAB_NOLEAKTRACE 0x00800000UL /* Avoid kmemleak tracing */
/* The following flags affect the page allocator grouping pages by mobility */
#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */
#define SLAB_TEMPORARY SLAB_RECLAIM_ACCOUNT /* Objects are short-lived */

2
include/linux/slab_def.h
View file

@ -14,7 +14,7 @@
#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */
#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */
#include <linux/compiler.h>
#include <trace/kmemtrace.h>
#include <linux/kmemtrace.h>
/* Size description struct for general caches. */
struct cache_sizes {

2
include/linux/slub_def.h
View file

@ -10,7 +10,7 @@
#include <linux/gfp.h>
#include <linux/workqueue.h>
#include <linux/kobject.h>
#include <trace/kmemtrace.h>
#include <linux/kmemtrace.h>
enum stat_item {
ALLOC_FASTPATH, /* Allocation from cpu slab */

1
include/linux/spinlock_up.h
View file

@ -60,6 +60,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
#define __raw_spin_is_locked(lock) ((void)(lock), 0)
/* for sched.c and kernel_lock.c: */
# define __raw_spin_lock(lock) do { (void)(lock); } while (0)
# define __raw_spin_lock_flags(lock, flags) do { (void)(lock); } while (0)
# define __raw_spin_unlock(lock) do { (void)(lock); } while (0)
# define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
#endif /* DEBUG_SPINLOCK */

3
include/linux/splice.h
View file

@ -11,8 +11,7 @@
#include <linux/pipe_fs_i.h>
/*
* splice is tied to pipes as a transport (at least for now), so we'll just
* add the splice flags here.
* Flags passed in from splice/tee/vmsplice
*/
#define SPLICE_F_MOVE (0x01) /* move pages instead of copying */
#define SPLICE_F_NONBLOCK (0x02) /* don't block on the pipe splicing (but */

5
include/linux/swap.h
View file

@ -437,6 +437,11 @@ static inline int mem_cgroup_cache_charge_swapin(struct page *page,
return 0;
}
static inline void
mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)
{
}
#endif /* CONFIG_SWAP */
#endif /* __KERNEL__*/
#endif /* _LINUX_SWAP_H */

3
include/linux/swiotlb.h
View file

@ -29,7 +29,8 @@ extern void *swiotlb_alloc(unsigned order, unsigned long nslabs);
extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
phys_addr_t address);
extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);
extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev,
dma_addr_t address);
extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);

5
include/linux/syscalls.h
View file

@ -55,6 +55,7 @@ struct compat_timeval;
struct robust_list_head;
struct getcpu_cache;
struct old_linux_dirent;
struct perf_counter_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
@ -755,4 +756,8 @@ asmlinkage long sys_pipe(int __user *);
int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
asmlinkage long sys_perf_counter_open(
const struct perf_counter_attr __user *attr_uptr,
pid_t pid, int cpu, int group_fd, unsigned long flags);
#endif

3
include/linux/thread_info.h
View file

@ -21,13 +21,14 @@ struct restart_block {
struct {
unsigned long arg0, arg1, arg2, arg3;
};
/* For futex_wait */
/* For futex_wait and futex_wait_requeue_pi */
struct {
u32 *uaddr;
u32 val;
u32 flags;
u32 bitset;
u64 time;
u32 *uaddr2;
} futex;
/* For nanosleep */
struct {

15
include/linux/time.h
View file

@ -113,6 +113,21 @@ struct timespec current_kernel_time(void);
#define CURRENT_TIME (current_kernel_time())
#define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 })
/* Some architectures do not supply their own clocksource.
* This is mainly the case in architectures that get their
* inter-tick times by reading the counter on their interval
* timer. Since these timers wrap every tick, they're not really
* useful as clocksources. Wrapping them to act like one is possible
* but not very efficient. So we provide a callout these arches
* can implement for use with the jiffies clocksource to provide
* finer then tick granular time.
*/
#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
extern u32 arch_gettimeoffset(void);
#else
static inline u32 arch_gettimeoffset(void) { return 0; }
#endif
extern void do_gettimeofday(struct timeval *tv);
extern int do_settimeofday(struct timespec *tv);
extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz);

92
include/linux/trace_seq.h Normal file
View file

@ -0,0 +1,92 @@
#ifndef _LINUX_TRACE_SEQ_H
#define _LINUX_TRACE_SEQ_H
#include <linux/fs.h>
/*
* Trace sequences are used to allow a function to call several other functions
* to create a string of data to use (up to a max of PAGE_SIZE.
*/
struct trace_seq {
unsigned char buffer[PAGE_SIZE];
unsigned int len;
unsigned int readpos;
};
static inline void
trace_seq_init(struct trace_seq *s)
{
s->len = 0;
s->readpos = 0;
}
/*
* Currently only defined when tracing is enabled.
*/
#ifdef CONFIG_TRACING
extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
__attribute__ ((format (printf, 2, 0)));
extern int
trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
extern void trace_print_seq(struct seq_file *m, struct trace_seq *s);
extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
size_t cnt);
extern int trace_seq_puts(struct trace_seq *s, const char *str);
extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
extern int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len);
extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
size_t len);
extern void *trace_seq_reserve(struct trace_seq *s, size_t len);
extern int trace_seq_path(struct trace_seq *s, struct path *path);
#else /* CONFIG_TRACING */
static inline int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
{
return 0;
}
static inline int
trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
{
return 0;
}
static inline void trace_print_seq(struct seq_file *m, struct trace_seq *s)
{
}
static inline ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
size_t cnt)
{
return 0;
}
static inline int trace_seq_puts(struct trace_seq *s, const char *str)
{
return 0;
}
static inline int trace_seq_putc(struct trace_seq *s, unsigned char c)
{
return 0;
}
static inline int
trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
{
return 0;
}
static inline int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
size_t len)
{
return 0;
}
static inline void *trace_seq_reserve(struct trace_seq *s, size_t len)
{
return NULL;
}
static inline int trace_seq_path(struct trace_seq *s, struct path *path)
{
return 0;
}
#endif /* CONFIG_TRACING */
#endif /* _LINUX_TRACE_SEQ_H */

11
include/linux/tracehook.h
View file

@ -259,14 +259,12 @@ static inline void tracehook_finish_clone(struct task_struct *child,
/**
* tracehook_report_clone - in parent, new child is about to start running
* @trace: return value from tracehook_prepare_clone()
* @regs: parent's user register state
* @clone_flags: flags from parent's system call
* @pid: new child's PID in the parent's namespace
* @child: new child task
*
* Called after a child is set up, but before it has been started
* running. @trace is the value returned by tracehook_prepare_clone().
* Called after a child is set up, but before it has been started running.
* This is not a good place to block, because the child has not started
* yet. Suspend the child here if desired, and then block in
* tracehook_report_clone_complete(). This must prevent the child from
@ -276,13 +274,14 @@ static inline void tracehook_finish_clone(struct task_struct *child,
*
* Called with no locks held, but the child cannot run until this returns.
*/
static inline void tracehook_report_clone(int trace, struct pt_regs *regs,
static inline void tracehook_report_clone(struct pt_regs *regs,
unsigned long clone_flags,
pid_t pid, struct task_struct *child)
{
if (unlikely(trace) || unlikely(clone_flags & CLONE_PTRACE)) {
if (unlikely(task_ptrace(child))) {
/*
* The child starts up with an immediate SIGSTOP.
* It doesn't matter who attached/attaching to this
* task, the pending SIGSTOP is right in any case.
*/
sigaddset(&child->pending.signal, SIGSTOP);
set_tsk_thread_flag(child, TIF_SIGPENDING);

8
include/linux/tracepoint.h
View file

@ -31,6 +31,8 @@ struct tracepoint {
* Keep in sync with vmlinux.lds.h.
*/
#ifndef DECLARE_TRACE
#define TP_PROTO(args...) args
#define TP_ARGS(args...) args
@ -114,6 +116,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
struct tracepoint *end)
{ }
#endif /* CONFIG_TRACEPOINTS */
#endif /* DECLARE_TRACE */
/*
* Connect a probe to a tracepoint.
@ -154,10 +157,8 @@ static inline void tracepoint_synchronize_unregister(void)
}
#define PARAMS(args...) args
#define TRACE_FORMAT(name, proto, args, fmt) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#ifndef TRACE_EVENT
/*
* For use with the TRACE_EVENT macro:
*
@ -262,5 +263,6 @@ static inline void tracepoint_synchronize_unregister(void)
#define TRACE_EVENT(name, proto, args, struct, assign, print) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#endif
#endif

18
include/linux/tty.h
View file

@ -185,7 +185,7 @@ struct tty_port;
struct tty_port_operations {
/* Return 1 if the carrier is raised */
int (*carrier_raised)(struct tty_port *port);
void (*raise_dtr_rts)(struct tty_port *port);
void (*dtr_rts)(struct tty_port *port, int raise);
};
struct tty_port {
@ -201,6 +201,9 @@ struct tty_port {
unsigned char *xmit_buf; /* Optional buffer */
int close_delay; /* Close port delay */
int closing_wait; /* Delay for output */
int drain_delay; /* Set to zero if no pure time
based drain is needed else
set to size of fifo */
};
/*
@ -223,8 +226,11 @@ struct tty_struct {
struct tty_driver *driver;
const struct tty_operations *ops;
int index;
/* The ldisc objects are protected by tty_ldisc_lock at the moment */
struct tty_ldisc ldisc;
/* Protects ldisc changes: Lock tty not pty */
struct mutex ldisc_mutex;
struct tty_ldisc *ldisc;
struct mutex termios_mutex;
spinlock_t ctrl_lock;
/* Termios values are protected by the termios mutex */
@ -311,6 +317,7 @@ struct tty_struct {
#define TTY_CLOSING 7 /* ->close() in progress */
#define TTY_LDISC 9 /* Line discipline attached */
#define TTY_LDISC_CHANGING 10 /* Line discipline changing */
#define TTY_LDISC_OPEN 11 /* Line discipline is open */
#define TTY_HW_COOK_OUT 14 /* Hardware can do output cooking */
#define TTY_HW_COOK_IN 15 /* Hardware can do input cooking */
#define TTY_PTY_LOCK 16 /* pty private */
@ -403,6 +410,7 @@ extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
extern void tty_ldisc_deref(struct tty_ldisc *);
extern struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *);
extern void tty_ldisc_hangup(struct tty_struct *tty);
extern const struct file_operations tty_ldiscs_proc_fops;
extern void tty_wakeup(struct tty_struct *tty);
@ -425,6 +433,9 @@ extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx,
extern void tty_release_dev(struct file *filp);
extern int tty_init_termios(struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_tty(struct tty_struct *tty);
extern struct tty_struct *tty_pair_get_pty(struct tty_struct *tty);
extern struct mutex tty_mutex;
extern void tty_write_unlock(struct tty_struct *tty);
@ -438,6 +449,7 @@ extern struct tty_struct *tty_port_tty_get(struct tty_port *port);
extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty);
extern int tty_port_carrier_raised(struct tty_port *port);
extern void tty_port_raise_dtr_rts(struct tty_port *port);
extern void tty_port_lower_dtr_rts(struct tty_port *port);
extern void tty_port_hangup(struct tty_port *port);
extern int tty_port_block_til_ready(struct tty_port *port,
struct tty_struct *tty, struct file *filp);

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