diff options
Diffstat (limited to 'include')
65 files changed, 880 insertions, 93 deletions
diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h index 1739726..451823c 100644 --- a/include/acpi/acpi_numa.h +++ b/include/acpi/acpi_numa.h @@ -15,6 +15,7 @@ extern int pxm_to_node(int); extern int node_to_pxm(int); extern void __acpi_map_pxm_to_node(int, int); extern int acpi_map_pxm_to_node(int); +extern unsigned char acpi_srat_revision; #endif /* CONFIG_ACPI_NUMA */ #endif /* __ACP_NUMA_H */ diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 76bff2b..a03c098 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -425,6 +425,8 @@ extern void untrack_pfn_vma(struct vm_area_struct *vma, unsigned long pfn, unsigned long size); #endif +#ifdef CONFIG_MMU + #ifndef CONFIG_TRANSPARENT_HUGEPAGE static inline int pmd_trans_huge(pmd_t pmd) { @@ -441,7 +443,66 @@ static inline int pmd_write(pmd_t pmd) return 0; } #endif /* __HAVE_ARCH_PMD_WRITE */ +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + +/* + * This function is meant to be used by sites walking pagetables with + * the mmap_sem hold in read mode to protect against MADV_DONTNEED and + * transhuge page faults. MADV_DONTNEED can convert a transhuge pmd + * into a null pmd and the transhuge page fault can convert a null pmd + * into an hugepmd or into a regular pmd (if the hugepage allocation + * fails). While holding the mmap_sem in read mode the pmd becomes + * stable and stops changing under us only if it's not null and not a + * transhuge pmd. When those races occurs and this function makes a + * difference vs the standard pmd_none_or_clear_bad, the result is + * undefined so behaving like if the pmd was none is safe (because it + * can return none anyway). The compiler level barrier() is critically + * important to compute the two checks atomically on the same pmdval. + */ +static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd) +{ + /* depend on compiler for an atomic pmd read */ + pmd_t pmdval = *pmd; + /* + * The barrier will stabilize the pmdval in a register or on + * the stack so that it will stop changing under the code. + */ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + barrier(); +#endif + if (pmd_none(pmdval)) + return 1; + if (unlikely(pmd_bad(pmdval))) { + if (!pmd_trans_huge(pmdval)) + pmd_clear_bad(pmd); + return 1; + } + return 0; +} + +/* + * This is a noop if Transparent Hugepage Support is not built into + * the kernel. Otherwise it is equivalent to + * pmd_none_or_trans_huge_or_clear_bad(), and shall only be called in + * places that already verified the pmd is not none and they want to + * walk ptes while holding the mmap sem in read mode (write mode don't + * need this). If THP is not enabled, the pmd can't go away under the + * code even if MADV_DONTNEED runs, but if THP is enabled we need to + * run a pmd_trans_unstable before walking the ptes after + * split_huge_page_pmd returns (because it may have run when the pmd + * become null, but then a page fault can map in a THP and not a + * regular page). + */ +static inline int pmd_trans_unstable(pmd_t *pmd) +{ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + return pmd_none_or_trans_huge_or_clear_bad(pmd); +#else + return 0; #endif +} + +#endif /* CONFIG_MMU */ #endif /* !__ASSEMBLY__ */ diff --git a/include/asm-generic/poll.h b/include/asm-generic/poll.h index 44bce83..9ce7f44 100644 --- a/include/asm-generic/poll.h +++ b/include/asm-generic/poll.h @@ -28,6 +28,8 @@ #define POLLRDHUP 0x2000 #endif +#define POLLFREE 0x4000 /* currently only for epoll */ + struct pollfd { int fd; short events; diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h index 4f769593..5518963 100644 --- a/include/asm-generic/unistd.h +++ b/include/asm-generic/unistd.h @@ -218,7 +218,7 @@ __SC_COMP(__NR_pwritev, sys_pwritev, compat_sys_pwritev) /* fs/sendfile.c */ #define __NR3264_sendfile 71 -__SC_3264(__NR3264_sendfile, sys_sendfile64, sys_sendfile) +__SYSCALL(__NR3264_sendfile, sys_sendfile64) /* fs/select.c */ #define __NR_pselect6 72 diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 738b3a5..40aaebf 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1323,6 +1323,7 @@ extern int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_authmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); /* Cache management (drm_cache.c) */ void drm_clflush_pages(struct page *pages[], unsigned long num_pages); diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 91567bb..03eb1d6 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -72,6 +72,7 @@ #define DP_MAIN_LINK_CHANNEL_CODING 0x006 +#define DP_EDP_CONFIGURATION_CAP 0x00d #define DP_TRAINING_AUX_RD_INTERVAL 0x00e /* link configuration */ @@ -133,6 +134,8 @@ #define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108 # define DP_SET_ANSI_8B10B (1 << 0) +#define DP_EDP_CONFIGURATION_SET 0x10a + #define DP_LANE0_1_STATUS 0x202 #define DP_LANE2_3_STATUS 0x203 # define DP_LANE_CR_DONE (1 << 0) diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h index c4961ea..53dfa109 100644 --- a/include/drm/drm_mode.h +++ b/include/drm/drm_mode.h @@ -233,6 +233,8 @@ struct drm_mode_fb_cmd { #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 +#define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 + /* * Mark a region of a framebuffer as dirty. * diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 3d53efd..14b6cd0 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -4,6 +4,7 @@ */ #define radeon_PCI_IDS \ {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ + {0x1002, 0x3151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -55,6 +56,7 @@ {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \ + {0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \ {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ @@ -180,8 +182,11 @@ {0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x675B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x675D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -193,8 +198,18 @@ {0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x677B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6843, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6849, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6889, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \ @@ -236,6 +251,7 @@ {0x1002, 0x68f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x68fa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -478,6 +494,8 @@ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ @@ -492,6 +510,8 @@ {0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/include/linux/bitops.h b/include/linux/bitops.h index a3ef66a..fc8a3ff 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -50,6 +50,26 @@ static inline unsigned long hweight_long(unsigned long w) } /** + * rol64 - rotate a 64-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 rol64(__u64 word, unsigned int shift) +{ + return (word << shift) | (word >> (64 - shift)); +} + +/** + * ror64 - rotate a 64-bit value right + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 ror64(__u64 word, unsigned int shift) +{ + return (word >> shift) | (word << (64 - shift)); +} + +/** * rol32 - rotate a 32-bit value left * @word: value to rotate * @shift: bits to roll diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1a23722..1b13021 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -670,6 +670,9 @@ extern int blk_insert_cloned_request(struct request_queue *q, struct request *rq); extern void blk_delay_queue(struct request_queue *, unsigned long); extern void blk_recount_segments(struct request_queue *, struct bio *); +extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int); +extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t, + unsigned int, void __user *); extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t, unsigned int, void __user *); extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, @@ -798,9 +801,6 @@ extern void blk_unprep_request(struct request *); */ extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id); -extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *, - request_fn_proc *, - spinlock_t *, int node_id); extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *); extern struct request_queue *blk_init_allocated_queue(struct request_queue *, request_fn_proc *, spinlock_t *); diff --git a/include/linux/compat.h b/include/linux/compat.h index 846bb17..edaf390 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -561,5 +561,9 @@ extern ssize_t compat_rw_copy_check_uvector(int type, extern void __user *compat_alloc_user_space(unsigned long len); +#else + +#define is_compat_task() (0) + #endif /* CONFIG_COMPAT */ #endif /* _LINUX_COMPAT_H */ diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 19d90a5..f13bb6d 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -207,6 +207,7 @@ struct dentry_operations { #define DCACHE_CANT_MOUNT 0x0100 #define DCACHE_GENOCIDE 0x0200 +#define DCACHE_SHRINK_LIST 0x0400 #define DCACHE_OP_HASH 0x1000 #define DCACHE_OP_COMPARE 0x2000 @@ -340,7 +341,8 @@ extern int d_validate(struct dentry *, struct dentry *); */ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); -extern char *__d_path(const struct path *path, struct path *root, char *, int); +extern char *__d_path(const struct path *, const struct path *, char *, int); +extern char *d_absolute_path(const struct path *, char *, int); extern char *d_path(const struct path *, char *, int); extern char *d_path_with_unreachable(const struct path *, char *, int); extern char *dentry_path_raw(struct dentry *, char *, int); diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index f362733..657ab55 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -61,6 +61,7 @@ struct file; static inline void eventpoll_init_file(struct file *file) { INIT_LIST_HEAD(&file->f_ep_links); + INIT_LIST_HEAD(&file->f_tfile_llink); } diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h index 2dfa707..0bfcb76 100644 --- a/include/linux/ext2_fs.h +++ b/include/linux/ext2_fs.h @@ -196,8 +196,8 @@ struct ext2_group_desc /* Flags that should be inherited by new inodes from their parent. */ #define EXT2_FL_INHERITED (EXT2_SECRM_FL | EXT2_UNRM_FL | EXT2_COMPR_FL |\ - EXT2_SYNC_FL | EXT2_IMMUTABLE_FL | EXT2_APPEND_FL |\ - EXT2_NODUMP_FL | EXT2_NOATIME_FL | EXT2_COMPRBLK_FL|\ + EXT2_SYNC_FL | EXT2_NODUMP_FL |\ + EXT2_NOATIME_FL | EXT2_COMPRBLK_FL |\ EXT2_NOCOMP_FL | EXT2_JOURNAL_DATA_FL |\ EXT2_NOTAIL_FL | EXT2_DIRSYNC_FL) diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 5e06acf..7b14d25 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -180,8 +180,8 @@ struct ext3_group_desc /* Flags that should be inherited by new inodes from their parent. */ #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\ - EXT3_SYNC_FL | EXT3_IMMUTABLE_FL | EXT3_APPEND_FL |\ - EXT3_NODUMP_FL | EXT3_NOATIME_FL | EXT3_COMPRBLK_FL|\ + EXT3_SYNC_FL | EXT3_NODUMP_FL |\ + EXT3_NOATIME_FL | EXT3_COMPRBLK_FL |\ EXT3_NOCOMPR_FL | EXT3_JOURNAL_DATA_FL |\ EXT3_NOTAIL_FL | EXT3_DIRSYNC_FL) diff --git a/include/linux/fb.h b/include/linux/fb.h index 6a82748..f9d013d 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -997,6 +997,7 @@ extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, /* drivers/video/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); extern int unregister_framebuffer(struct fb_info *fb_info); +extern int unlink_framebuffer(struct fb_info *fb_info); extern void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name, bool primary); extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); diff --git a/include/linux/fs.h b/include/linux/fs.h index b5b9792..d8ecb01 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -969,6 +969,7 @@ struct file { #ifdef CONFIG_EPOLL /* Used by fs/eventpoll.c to link all the hooks to this file */ struct list_head f_ep_links; + struct list_head f_tfile_llink; #endif /* #ifdef CONFIG_EPOLL */ struct address_space *f_mapping; #ifdef CONFIG_DEBUG_WRITECOUNT @@ -1882,6 +1883,7 @@ extern int fd_statfs(int, struct kstatfs *); extern int statfs_by_dentry(struct dentry *, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); +extern bool our_mnt(struct vfsmount *mnt); extern int current_umask(void); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 300d758..6f43b14 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -594,6 +594,7 @@ extern char *disk_name (struct gendisk *hd, int partno, char *buf); extern int disk_expand_part_tbl(struct gendisk *disk, int target); extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); +extern int invalidate_partitions(struct gendisk *disk, struct block_device *bdev); extern struct hd_struct * __must_check add_partition(struct gendisk *disk, int partno, sector_t start, sector_t len, int flags, diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h index 6427d29..530e11b 100644 --- a/include/linux/i2c/twl4030-madc.h +++ b/include/linux/i2c/twl4030-madc.h @@ -129,6 +129,10 @@ enum sample_type { #define REG_BCICTL2 0x024 #define TWL4030_BCI_ITHSENS 0x007 +/* Register and bits for GPBR1 register */ +#define TWL4030_REG_GPBR1 0x0c +#define TWL4030_GPBR1_MADC_HFCLK_EN (1 << 7) + struct twl4030_madc_user_parms { int channel; int average; diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index f6efed0..b9490bf 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -59,6 +59,8 @@ * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend * IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set * IRQF_NO_THREAD - Interrupt cannot be threaded + * IRQF_EARLY_RESUME - Resume IRQ early during syscore instead of at device + * resume time. */ #define IRQF_DISABLED 0x00000020 #define IRQF_SAMPLE_RANDOM 0x00000040 @@ -72,6 +74,7 @@ #define IRQF_NO_SUSPEND 0x00004000 #define IRQF_FORCE_RESUME 0x00008000 #define IRQF_NO_THREAD 0x00010000 +#define IRQF_EARLY_RESUME 0x00020000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 8cdcc2a1..1feeb52 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -117,6 +117,8 @@ io_mapping_unmap(void __iomem *vaddr) #else +#include <linux/uaccess.h> + /* this struct isn't actually defined anywhere */ struct io_mapping; @@ -138,12 +140,14 @@ static inline void __iomem * io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset) { + pagefault_disable(); return ((char __force __iomem *) mapping) + offset; } static inline void io_mapping_unmap_atomic(void __iomem *vaddr) { + pagefault_enable(); } /* Non-atomic map/unmap */ diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index f97672a..265e2c3 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -303,7 +303,7 @@ extern void jiffies_to_timespec(const unsigned long jiffies, extern unsigned long timeval_to_jiffies(const struct timeval *value); extern void jiffies_to_timeval(const unsigned long jiffies, struct timeval *value); -extern clock_t jiffies_to_clock_t(long x); +extern clock_t jiffies_to_clock_t(unsigned long x); extern unsigned long clock_t_to_jiffies(unsigned long x); extern u64 jiffies_64_to_clock_t(u64 x); extern u64 nsec_to_clock_t(u64 x); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 47e8dbe..da3e76d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -77,6 +77,19 @@ } \ ) +/* + * Multiplies an integer by a fraction, while avoiding unnecessary + * overflow or loss of precision. + */ +#define mult_frac(x, numer, denom)( \ +{ \ + typeof(x) quot = (x) / (denom); \ + typeof(x) rem = (x) % (denom); \ + (quot * (numer)) + ((rem * (numer)) / (denom)); \ +} \ +) + + #define _RET_IP_ (unsigned long)__builtin_return_address(0) #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; }) diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index 10ca03d..f7192fb 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -63,7 +63,8 @@ enum kgdb_bptype { BP_HARDWARE_BREAKPOINT, BP_WRITE_WATCHPOINT, BP_READ_WATCHPOINT, - BP_ACCESS_WATCHPOINT + BP_ACCESS_WATCHPOINT, + BP_POKE_BREAKPOINT, }; enum kgdb_bpstate { @@ -207,8 +208,8 @@ extern void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc); /* Optional functions. */ extern int kgdb_validate_break_address(unsigned long addr); -extern int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr); -extern int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle); +extern int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt); +extern int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt); /** * kgdb_arch_late - Perform any architecture specific initalization. diff --git a/include/linux/lglock.h b/include/linux/lglock.h index f549056..87f402c 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -22,6 +22,7 @@ #include <linux/spinlock.h> #include <linux/lockdep.h> #include <linux/percpu.h> +#include <linux/cpu.h> /* can make br locks by using local lock for read side, global lock for write */ #define br_lock_init(name) name##_lock_init() @@ -72,9 +73,31 @@ #define DEFINE_LGLOCK(name) \ \ + DEFINE_SPINLOCK(name##_cpu_lock); \ + cpumask_t name##_cpus __read_mostly; \ DEFINE_PER_CPU(arch_spinlock_t, name##_lock); \ DEFINE_LGLOCK_LOCKDEP(name); \ \ + static int \ + name##_lg_cpu_callback(struct notifier_block *nb, \ + unsigned long action, void *hcpu) \ + { \ + switch (action & ~CPU_TASKS_FROZEN) { \ + case CPU_UP_PREPARE: \ + spin_lock(&name##_cpu_lock); \ + cpu_set((unsigned long)hcpu, name##_cpus); \ + spin_unlock(&name##_cpu_lock); \ + break; \ + case CPU_UP_CANCELED: case CPU_DEAD: \ + spin_lock(&name##_cpu_lock); \ + cpu_clear((unsigned long)hcpu, name##_cpus); \ + spin_unlock(&name##_cpu_lock); \ + } \ + return NOTIFY_OK; \ + } \ + static struct notifier_block name##_lg_cpu_notifier = { \ + .notifier_call = name##_lg_cpu_callback, \ + }; \ void name##_lock_init(void) { \ int i; \ LOCKDEP_INIT_MAP(&name##_lock_dep_map, #name, &name##_lock_key, 0); \ @@ -83,6 +106,11 @@ lock = &per_cpu(name##_lock, i); \ *lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED; \ } \ + register_hotcpu_notifier(&name##_lg_cpu_notifier); \ + get_online_cpus(); \ + for_each_online_cpu(i) \ + cpu_set(i, name##_cpus); \ + put_online_cpus(); \ } \ EXPORT_SYMBOL(name##_lock_init); \ \ @@ -124,9 +152,9 @@ \ void name##_global_lock_online(void) { \ int i; \ - preempt_disable(); \ + spin_lock(&name##_cpu_lock); \ rwlock_acquire(&name##_lock_dep_map, 0, 0, _RET_IP_); \ - for_each_online_cpu(i) { \ + for_each_cpu(i, &name##_cpus) { \ arch_spinlock_t *lock; \ lock = &per_cpu(name##_lock, i); \ arch_spin_lock(lock); \ @@ -137,12 +165,12 @@ void name##_global_unlock_online(void) { \ int i; \ rwlock_release(&name##_lock_dep_map, 1, _RET_IP_); \ - for_each_online_cpu(i) { \ + for_each_cpu(i, &name##_cpus) { \ arch_spinlock_t *lock; \ lock = &per_cpu(name##_lock, i); \ arch_spin_unlock(lock); \ } \ - preempt_enable(); \ + spin_unlock(&name##_cpu_lock); \ } \ EXPORT_SYMBOL(name##_global_unlock_online); \ \ diff --git a/include/linux/log2.h b/include/linux/log2.h index 25b8086..fd7ff3d 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n) #define rounddown_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 0 : \ (1UL << ilog2(n))) : \ __rounddown_pow_of_two(n) \ ) diff --git a/include/linux/math64.h b/include/linux/math64.h index 23fcdfc..b8ba855 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -6,6 +6,8 @@ #if BITS_PER_LONG == 64 +#define div64_long(x,y) div64_s64((x),(y)) + /** * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder * @@ -45,6 +47,8 @@ static inline s64 div64_s64(s64 dividend, s64 divisor) #elif BITS_PER_LONG == 32 +#define div64_long(x,y) div_s64((x),(y)) + #ifndef div_u64_rem static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) { diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 50940da..313a00e 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -119,6 +119,8 @@ struct zone_reclaim_stat* mem_cgroup_get_reclaim_stat_from_page(struct page *page); extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p); +extern void mem_cgroup_replace_page_cache(struct page *oldpage, + struct page *newpage); #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP extern int do_swap_account; @@ -370,6 +372,10 @@ static inline void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx) { } +static inline void mem_cgroup_replace_page_cache(struct page *oldpage, + struct page *newpage) +{ +} #endif /* CONFIG_CGROUP_MEM_CONT */ #if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM) diff --git a/include/linux/mm.h b/include/linux/mm.h index 07890ac..f59179b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -355,36 +355,50 @@ static inline struct page *compound_head(struct page *page) return page; } +/* + * The atomic page->_mapcount, starts from -1: so that transitions + * both from it and to it can be tracked, using atomic_inc_and_test + * and atomic_add_negative(-1). + */ +static inline void reset_page_mapcount(struct page *page) +{ + atomic_set(&(page)->_mapcount, -1); +} + +static inline int page_mapcount(struct page *page) +{ + return atomic_read(&(page)->_mapcount) + 1; +} + static inline int page_count(struct page *page) { return atomic_read(&compound_head(page)->_count); } +static inline void get_huge_page_tail(struct page *page) +{ + /* + * __split_huge_page_refcount() cannot run + * from under us. + */ + VM_BUG_ON(page_mapcount(page) < 0); + VM_BUG_ON(atomic_read(&page->_count) != 0); + atomic_inc(&page->_mapcount); +} + +extern bool __get_page_tail(struct page *page); + static inline void get_page(struct page *page) { + if (unlikely(PageTail(page))) + if (likely(__get_page_tail(page))) + return; /* * Getting a normal page or the head of a compound page - * requires to already have an elevated page->_count. Only if - * we're getting a tail page, the elevated page->_count is - * required only in the head page, so for tail pages the - * bugcheck only verifies that the page->_count isn't - * negative. + * requires to already have an elevated page->_count. */ - VM_BUG_ON(atomic_read(&page->_count) < !PageTail(page)); + VM_BUG_ON(atomic_read(&page->_count) <= 0); atomic_inc(&page->_count); - /* - * Getting a tail page will elevate both the head and tail - * page->_count(s). - */ - if (unlikely(PageTail(page))) { - /* - * This is safe only because - * __split_huge_page_refcount can't run under - * get_page(). - */ - VM_BUG_ON(atomic_read(&page->first_page->_count) <= 0); - atomic_inc(&page->first_page->_count); - } } static inline struct page *virt_to_head_page(const void *x) @@ -803,21 +817,6 @@ static inline pgoff_t page_index(struct page *page) } /* - * The atomic page->_mapcount, like _count, starts from -1: - * so that transitions both from it and to it can be tracked, - * using atomic_inc_and_test and atomic_add_negative(-1). - */ -static inline void reset_page_mapcount(struct page *page) -{ - atomic_set(&(page)->_mapcount, -1); -} - -static inline int page_mapcount(struct page *page) -{ - return atomic_read(&(page)->_mapcount) + 1; -} - -/* * Return true if this page is mapped into pagetables. */ static inline int page_mapped(struct page *page) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 027935c..059839c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -36,10 +36,24 @@ struct page { * updated asynchronously */ atomic_t _count; /* Usage count, see below. */ union { - atomic_t _mapcount; /* Count of ptes mapped in mms, - * to show when page is mapped - * & limit reverse map searches. - */ + /* + * Count of ptes mapped in + * mms, to show when page is + * mapped & limit reverse map + * searches. + * + * Used also for tail pages + * refcounting instead of + * _count. Tail pages cannot + * be mapped and keeping the + * tail page _count zero at + * all times guarantees + * get_page_unless_zero() will + * never succeed on tail + * pages. + */ + atomic_t _mapcount; + struct { /* SLUB */ u16 inuse; u16 objects; diff --git a/include/linux/namei.h b/include/linux/namei.h index eba45ea..82ab16b 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -49,6 +49,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; #define LOOKUP_FOLLOW 0x0001 #define LOOKUP_DIRECTORY 0x0002 #define LOOKUP_CONTINUE 0x0004 +#define LOOKUP_AUTOMOUNT 0x0008 #define LOOKUP_PARENT 0x0010 #define LOOKUP_REVAL 0x0020 @@ -67,6 +68,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; #define LOOKUP_EMPTY 0x4000 extern int user_path_at(int, const char __user *, unsigned, struct path *); +extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty); #define user_path(name, path) user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW, path) #define user_lpath(name, path) user_path_at(AT_FDCWD, name, 0, path) diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index b522370..acdc370 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -410,6 +410,9 @@ extern const struct inode_operations nfs_file_inode_operations; extern const struct inode_operations nfs3_file_inode_operations; #endif /* CONFIG_NFS_V3 */ extern const struct file_operations nfs_file_operations; +#ifdef CONFIG_NFS_V4 +extern const struct file_operations nfs4_file_operations; +#endif /* CONFIG_NFS_V4 */ extern const struct address_space_operations nfs_file_aops; extern const struct address_space_operations nfs_dir_aops; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index be2eba7..0012fc3 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1149,6 +1149,7 @@ struct nfs_rpc_ops { const struct dentry_operations *dentry_ops; const struct inode_operations *dir_inode_ops; const struct inode_operations *file_inode_ops; + const struct file_operations *file_ops; int (*getroot) (struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h index 7cea7b6..c832014 100644 --- a/include/linux/pci-aspm.h +++ b/include/linux/pci-aspm.h @@ -29,7 +29,7 @@ extern void pcie_aspm_pm_state_change(struct pci_dev *pdev); extern void pcie_aspm_powersave_config_link(struct pci_dev *pdev); extern void pci_disable_link_state(struct pci_dev *pdev, int state); extern void pci_disable_link_state_locked(struct pci_dev *pdev, int state); -extern void pcie_clear_aspm(void); +extern void pcie_clear_aspm(struct pci_bus *bus); extern void pcie_no_aspm(void); #else static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) @@ -47,7 +47,7 @@ static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { } -static inline void pcie_clear_aspm(void) +static inline void pcie_clear_aspm(struct pci_bus *bus) { } static inline void pcie_no_aspm(void) diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index e884096..dad7d9a 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -392,7 +392,7 @@ #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ #define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */ -#define PCI_EXP_TYPE_RC_EC 0x10 /* Root Complex Event Collector */ +#define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */ #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ #define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */ #define PCI_EXP_DEVCAP 4 /* Device capabilities */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 7da5fa8..4d3f63a 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -418,7 +418,7 @@ struct phy_driver { /* * Requests a Tx timestamp for 'skb'. The phy driver promises - * to deliver it to the socket's error queue as soon as a + * to deliver it using skb_complete_tx_timestamp() as soon as a * timestamp becomes available. One of the PTP_CLASS_ values * is passed in 'type'. */ diff --git a/include/linux/proportions.h b/include/linux/proportions.h index cf793bb..22653d7 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl) * Limit the time part in order to ensure there are some bits left for the * cycle counter and fraction multiply. */ +#if BITS_PER_LONG == 32 #define PROP_MAX_SHIFT (3*BITS_PER_LONG/4) +#else +#define PROP_MAX_SHIFT (BITS_PER_LONG/2) +#endif #define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1) #define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT) diff --git a/include/linux/regset.h b/include/linux/regset.h index 8abee65..686f373 100644 --- a/include/linux/regset.h +++ b/include/linux/regset.h @@ -335,8 +335,11 @@ static inline int copy_regset_to_user(struct task_struct *target, { const struct user_regset *regset = &view->regsets[setno]; + if (!regset->get) + return -EOPNOTSUPP; + if (!access_ok(VERIFY_WRITE, data, size)) - return -EIO; + return -EFAULT; return regset->get(target, regset, offset, size, NULL, data); } @@ -358,8 +361,11 @@ static inline int copy_regset_from_user(struct task_struct *target, { const struct user_regset *regset = &view->regsets[setno]; + if (!regset->set) + return -EOPNOTSUPP; + if (!access_ok(VERIFY_READ, data, size)) - return -EIO; + return -EFAULT; return regset->set(target, regset, offset, size, NULL, data); } diff --git a/include/linux/sigma.h b/include/linux/sigma.h index e2accb3..d0de882 100644 --- a/include/linux/sigma.h +++ b/include/linux/sigma.h @@ -24,7 +24,7 @@ struct sigma_firmware { struct sigma_firmware_header { unsigned char magic[7]; u8 version; - u32 crc; + __le32 crc; }; enum { @@ -40,19 +40,14 @@ enum { struct sigma_action { u8 instr; u8 len_hi; - u16 len; - u16 addr; + __le16 len; + __be16 addr; unsigned char payload[]; }; static inline u32 sigma_action_len(struct sigma_action *sa) { - return (sa->len_hi << 16) | sa->len; -} - -static inline size_t sigma_action_size(struct sigma_action *sa, u32 payload_len) -{ - return sizeof(*sa) + payload_len + (payload_len % 2); + return (sa->len_hi << 16) | le16_to_cpu(sa->len); } extern int process_sigma_firmware(struct i2c_client *client, const char *name); diff --git a/include/linux/signalfd.h b/include/linux/signalfd.h index 3ff4961..247399b 100644 --- a/include/linux/signalfd.h +++ b/include/linux/signalfd.h @@ -61,13 +61,16 @@ static inline void signalfd_notify(struct task_struct *tsk, int sig) wake_up(&tsk->sighand->signalfd_wqh); } +extern void signalfd_cleanup(struct sighand_struct *sighand); + #else /* CONFIG_SIGNALFD */ static inline void signalfd_notify(struct task_struct *tsk, int sig) { } +static inline void signalfd_cleanup(struct sighand_struct *sighand) { } + #endif /* CONFIG_SIGNALFD */ #endif /* __KERNEL__ */ #endif /* _LINUX_SIGNALFD_H */ - diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index c0a4f3a..f13b52b 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1370,6 +1370,16 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset) } #endif /* NET_SKBUFF_DATA_USES_OFFSET */ +static inline void skb_mac_header_rebuild(struct sk_buff *skb) +{ + if (skb_mac_header_was_set(skb)) { + const unsigned char *old_mac = skb_mac_header(skb); + + skb_set_mac_header(skb, -skb->mac_len); + memmove(skb_mac_header(skb), old_mac, skb->mac_len); + } +} + static inline int skb_checksum_start_offset(const struct sk_buff *skb) { return skb->csum_start - skb_headroom(skb); @@ -1996,8 +2006,13 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb) /** * skb_complete_tx_timestamp() - deliver cloned skb with tx timestamps * + * PHY drivers may accept clones of transmitted packets for + * timestamping via their phy_driver.txtstamp method. These drivers + * must call this function to return the skb back to the stack, with + * or without a timestamp. + * * @skb: clone of the the original outgoing packet - * @hwtstamps: hardware time stamps + * @hwtstamps: hardware time stamps, may be NULL if not available * */ void skb_complete_tx_timestamp(struct sk_buff *skb, diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h index 85c50b4..c84e974 100644 --- a/include/linux/sunrpc/svcsock.h +++ b/include/linux/sunrpc/svcsock.h @@ -34,7 +34,7 @@ struct svc_sock { /* * Function prototypes. */ -void svc_close_all(struct list_head *); +void svc_close_all(struct svc_serv *); int svc_recv(struct svc_rqst *, long); int svc_send(struct svc_rqst *); void svc_drop(struct svc_rqst *); diff --git a/include/linux/sw_sync.h b/include/linux/sw_sync.h new file mode 100644 index 0000000..bd6f208 --- /dev/null +++ b/include/linux/sw_sync.h @@ -0,0 +1,58 @@ +/* + * include/linux/sw_sync.h + * + * Copyright (C) 2012 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_SW_SYNC_H +#define _LINUX_SW_SYNC_H + +#include <linux/types.h> + +#ifdef __KERNEL__ + +#include <linux/sync.h> + +struct sw_sync_timeline { + struct sync_timeline obj; + + u32 value; +}; + +struct sw_sync_pt { + struct sync_pt pt; + + u32 value; +}; + +struct sw_sync_timeline *sw_sync_timeline_create(const char *name); +void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc); + +struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value); + +#endif /* __KERNEL __ */ + +struct sw_sync_create_fence_data { + __u32 value; + char name[32]; + __s32 fence; /* fd of new fence */ +}; + +#define SW_SYNC_IOC_MAGIC 'W' + +#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\ + struct sw_sync_create_fence_data) +#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) + + +#endif /* _LINUX_SW_SYNC_H */ diff --git a/include/linux/sync.h b/include/linux/sync.h new file mode 100644 index 0000000..4f19938 --- /dev/null +++ b/include/linux/sync.h @@ -0,0 +1,390 @@ +/* + * include/linux/sync.h + * + * Copyright (C) 2012 Google, Inc. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef _LINUX_SYNC_H +#define _LINUX_SYNC_H + +#include <linux/types.h> +#ifdef __KERNEL__ + +#include <linux/ktime.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/wait.h> + +struct sync_timeline; +struct sync_pt; +struct sync_fence; + +/** + * struct sync_timeline_ops - sync object implementation ops + * @driver_name: name of the implentation + * @dup: duplicate a sync_pt + * @has_signaled: returns: + * 1 if pt has signaled + * 0 if pt has not signaled + * <0 on error + * @compare: returns: + * 1 if b will signal before a + * 0 if a and b will signal at the same time + * -1 if a will signabl before b + * @free_pt: called before sync_pt is freed + * @release_obj: called before sync_timeline is freed + * @print_obj: print aditional debug information about sync_timeline. + * should not print a newline + * @print_pt: print aditional debug information about sync_pt. + * should not print a newline + * @fill_driver_data: write implmentation specific driver data to data. + * should return an error if there is not enough room + * as specified by size. This information is returned + * to userspace by SYNC_IOC_FENCE_INFO. + */ +struct sync_timeline_ops { + const char *driver_name; + + /* required */ + struct sync_pt *(*dup)(struct sync_pt *pt); + + /* required */ + int (*has_signaled)(struct sync_pt *pt); + + /* required */ + int (*compare)(struct sync_pt *a, struct sync_pt *b); + + /* optional */ + void (*free_pt)(struct sync_pt *sync_pt); + + /* optional */ + void (*release_obj)(struct sync_timeline *sync_timeline); + + /* optional */ + void (*print_obj)(struct seq_file *s, + struct sync_timeline *sync_timeline); + + /* optional */ + void (*print_pt)(struct seq_file *s, struct sync_pt *sync_pt); + + /* optional */ + int (*fill_driver_data)(struct sync_pt *syncpt, void *data, int size); +}; + +/** + * struct sync_timeline - sync object + * @ops: ops that define the implementaiton of the sync_timeline + * @name: name of the sync_timeline. Useful for debugging + * @destoryed: set when sync_timeline is destroyed + * @child_list_head: list of children sync_pts for this sync_timeline + * @child_list_lock: lock protecting @child_list_head, destroyed, and + * sync_pt.status + * @active_list_head: list of active (unsignaled/errored) sync_pts + * @sync_timeline_list: membership in global sync_timeline_list + */ +struct sync_timeline { + const struct sync_timeline_ops *ops; + char name[32]; + + /* protected by child_list_lock */ + bool destroyed; + + struct list_head child_list_head; + spinlock_t child_list_lock; + + struct list_head active_list_head; + spinlock_t active_list_lock; + + struct list_head sync_timeline_list; +}; + +/** + * struct sync_pt - sync point + * @parent: sync_timeline to which this sync_pt belongs + * @child_list: membership in sync_timeline.child_list_head + * @active_list: membership in sync_timeline.active_list_head + * @fence: sync_fence to which the sync_pt belongs + * @pt_list: membership in sync_fence.pt_list_head + * @status: 1: signaled, 0:active, <0: error + * @timestamp: time which sync_pt status transitioned from active to + * singaled or error. + */ +struct sync_pt { + struct sync_timeline *parent; + struct list_head child_list; + + struct list_head active_list; + + struct sync_fence *fence; + struct list_head pt_list; + + /* protected by parent->active_list_lock */ + int status; + + ktime_t timestamp; +}; + +/** + * struct sync_fence - sync fence + * @file: file representing this fence + * @name: name of sync_fence. Useful for debugging + * @pt_list_head: list of sync_pts in ths fence. immutable once fence + * is created + * @waiter_list_head: list of asynchronous waiters on this fence + * @waiter_list_lock: lock protecting @waiter_list_head and @status + * @status: 1: signaled, 0:active, <0: error + * + * @wq: wait queue for fence signaling + * @sync_fence_list: membership in global fence list + */ +struct sync_fence { + struct file *file; + char name[32]; + + /* this list is immutable once the fence is created */ + struct list_head pt_list_head; + + struct list_head waiter_list_head; + spinlock_t waiter_list_lock; /* also protects status */ + int status; + + wait_queue_head_t wq; + + struct list_head sync_fence_list; +}; + +/** + * struct sync_fence_waiter - metadata for asynchronous waiter on a fence + * @waiter_list: membership in sync_fence.waiter_list_head + * @callback: function pointer to call when fence signals + * @callback_data: pointer to pass to @callback + */ +struct sync_fence_waiter { + struct list_head waiter_list; + + void (*callback)(struct sync_fence *fence, void *data); + void *callback_data; +}; + +/* + * API for sync_timeline implementers + */ + +/** + * sync_timeline_create() - creates a sync object + * @ops: specifies the implemention ops for the object + * @size: size to allocate for this obj + * @name: sync_timeline name + * + * Creates a new sync_timeline which will use the implemetation specified by + * @ops. @size bytes will be allocated allowing for implemntation specific + * data to be kept after the generic sync_timeline stuct. + */ +struct sync_timeline *sync_timeline_create(const struct sync_timeline_ops *ops, + int size, const char *name); + +/** + * sync_timeline_destory() - destorys a sync object + * @obj: sync_timeline to destroy + * + * A sync implemntation should call this when the @obj is going away + * (i.e. module unload.) @obj won't actually be freed until all its childern + * sync_pts are freed. + */ +void sync_timeline_destroy(struct sync_timeline *obj); + +/** + * sync_timeline_signal() - signal a status change on a sync_timeline + * @obj: sync_timeline to signal + * + * A sync implemntation should call this any time one of it's sync_pts + * has signaled or has an error condition. + */ +void sync_timeline_signal(struct sync_timeline *obj); + +/** + * sync_pt_create() - creates a sync pt + * @parent: sync_pt's parent sync_timeline + * @size: size to allocate for this pt + * + * Creates a new sync_pt as a chiled of @parent. @size bytes will be + * allocated allowing for implemntation specific data to be kept after + * the generic sync_timeline struct. + */ +struct sync_pt *sync_pt_create(struct sync_timeline *parent, int size); + +/** + * sync_pt_free() - frees a sync pt + * @pt: sync_pt to free + * + * This should only be called on sync_pts which have been created but + * not added to a fence. + */ +void sync_pt_free(struct sync_pt *pt); + +/** + * sync_fence_create() - creates a sync fence + * @name: name of fence to create + * @pt: sync_pt to add to the fence + * + * Creates a fence containg @pt. Once this is called, the fence takes + * ownership of @pt. + */ +struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt); + +/* + * API for sync_fence consumers + */ + +/** + * sync_fence_merge() - merge two fences + * @name: name of new fence + * @a: fence a + * @b: fence b + * + * Creates a new fence which contains copies of all the sync_pts in both + * @a and @b. @a and @b remain valid, independent fences. + */ +struct sync_fence *sync_fence_merge(const char *name, + struct sync_fence *a, struct sync_fence *b); + +/** + * sync_fence_fdget() - get a fence from an fd + * @fd: fd referencing a fence + * + * Ensures @fd references a valid fence, increments the refcount of the backing + * file, and returns the fence. + */ +struct sync_fence *sync_fence_fdget(int fd); + +/** + * sync_fence_put() - puts a refernnce of a sync fence + * @fence: fence to put + * + * Puts a reference on @fence. If this is the last reference, the fence and + * all it's sync_pts will be freed + */ +void sync_fence_put(struct sync_fence *fence); + +/** + * sync_fence_install() - installs a fence into a file descriptor + * @fence: fence to instal + * @fd: file descriptor in which to install the fence + * + * Installs @fence into @fd. @fd's should be acquired through get_unused_fd(). + */ +void sync_fence_install(struct sync_fence *fence, int fd); + +/** + * sync_fence_wait_async() - registers and async wait on the fence + * @fence: fence to wait on + * @callback: callback + * @callback_data data to pass to the callback + * + * Returns 1 if @fence has already signaled. + * + * Registers a callback to be called when @fence signals or has an error + */ +int sync_fence_wait_async(struct sync_fence *fence, + void (*callback)(struct sync_fence *, void *data), + void *callback_data); + +/** + * sync_fence_wait() - wait on fence + * @fence: fence to wait on + * @tiemout: timeout in ms + * + * Wait for @fence to be signaled or have an error. Waits indefintly + * if @timeout = 0 + */ +int sync_fence_wait(struct sync_fence *fence, long timeout); + +#endif /* __KERNEL__ */ + +/** + * struct sync_merge_data - data passed to merge ioctl + * @fd2: file descriptor of second fence + * @name: name of new fence + * @fence: returns the fd of the new fence to userspace + */ +struct sync_merge_data { + __s32 fd2; /* fd of second fence */ + char name[32]; /* name of new fence */ + __s32 fence; /* fd on newly created fence */ +}; + +/** + * struct sync_pt_info - detailed sync_pt information + * @len: length of sync_pt_info including any driver_data + * @obj_name: name of parent sync_timeline + * @driver_name: name of driver implmenting the parent + * @status: status of the sync_pt 0:active 1:signaled <0:error + * @timestamp_ns: timestamp of status change in nanoseconds + * @driver_data: any driver dependant data + */ +struct sync_pt_info { + __u32 len; + char obj_name[32]; + char driver_name[32]; + __s32 status; + __u64 timestamp_ns; + + __u8 driver_data[0]; +}; + +/** + * struct sync_fence_info_data - data returned from fence info ioctl + * @len: ioctl caller writes the size of the buffer its passing in. + * ioctl returns length of sync_fence_data reutnred to userspace + * including pt_info. + * @name: name of fence + * @status: status of fence. 1: signaled 0:active <0:error + * @pt_info: a sync_pt_info struct for every sync_pt in the fence + */ +struct sync_fence_info_data { + __u32 len; + char name[32]; + __s32 status; + + __u8 pt_info[0]; +}; + +#define SYNC_IOC_MAGIC '>' + +/** + * DOC: SYNC_IOC_WAIT - wait for a fence to signal + * + * pass timeout in milliseconds. + */ +#define SYNC_IOC_WAIT _IOW(SYNC_IOC_MAGIC, 0, __u32) + +/** + * DOC: SYNC_IOC_MERGE - merge two fences + * + * Takes a struct sync_merge_data. Creates a new fence containing copies of + * the sync_pts in both the calling fd and sync_merge_data.fd2. Returns the + * new fence's fd in sync_merge_data.fence + */ +#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 1, struct sync_merge_data) + +/** + * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence + * + * Takes a struct sync_fence_info_data with extra space allocated for pt_info. + * Caller should write the size of the buffer into len. On return, len is + * updated to reflect the total size of the sync_fence_info_data including + * pt_info. + * + * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence. + * To itterate over the sync_pt_infos, use the sync_pt_info.len field. + */ +#define SYNC_IOC_FENCE_INFO _IOWR(SYNC_IOC_MAGIC, 2,\ + struct sync_fence_info_data) + +#endif /* _LINUX_SYNC_H */ diff --git a/include/linux/tty.h b/include/linux/tty.h index 6660c41..1ff6b62 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -472,7 +472,9 @@ extern void proc_clear_tty(struct task_struct *p); extern struct tty_struct *get_current_tty(void); extern void tty_default_fops(struct file_operations *fops); extern struct tty_struct *alloc_tty_struct(void); -extern int tty_add_file(struct tty_struct *tty, struct file *file); +extern int tty_alloc_file(struct file *file); +extern void tty_add_file(struct tty_struct *tty, struct file *file); +extern void tty_free_file(struct file *file); extern void free_tty_struct(struct tty_struct *tty); extern void initialize_tty_struct(struct tty_struct *tty, struct tty_driver *driver, int idx); diff --git a/include/linux/usb.h b/include/linux/usb.h index 73c7df4..b08e04c 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1202,6 +1202,7 @@ struct urb { void *transfer_buffer; /* (in) associated data buffer */ dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */ struct scatterlist *sg; /* (in) scatter gather buffer list */ + int num_mapped_sgs; /* (internal) mapped sg entries */ int num_sgs; /* (in) number of entries in the sg list */ u32 transfer_buffer_length; /* (in) data buffer length */ u32 actual_length; /* (return) actual transfer length */ diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h index 4ebaf08..1eb735b 100644 --- a/include/linux/usb/ch11.h +++ b/include/linux/usb/ch11.h @@ -62,12 +62,6 @@ #define USB_PORT_FEAT_TEST 21 #define USB_PORT_FEAT_INDICATOR 22 #define USB_PORT_FEAT_C_PORT_L1 23 -#define USB_PORT_FEAT_C_PORT_LINK_STATE 25 -#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26 -#define USB_PORT_FEAT_PORT_REMOTE_WAKE_MASK 27 -#define USB_PORT_FEAT_BH_PORT_RESET 28 -#define USB_PORT_FEAT_C_BH_PORT_RESET 29 -#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30 /* * Port feature selectors added by USB 3.0 spec. @@ -76,8 +70,8 @@ #define USB_PORT_FEAT_LINK_STATE 5 #define USB_PORT_FEAT_U1_TIMEOUT 23 #define USB_PORT_FEAT_U2_TIMEOUT 24 -#define USB_PORT_FEAT_C_LINK_STATE 25 -#define USB_PORT_FEAT_C_CONFIG_ERR 26 +#define USB_PORT_FEAT_C_PORT_LINK_STATE 25 +#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26 #define USB_PORT_FEAT_REMOTE_WAKE_MASK 27 #define USB_PORT_FEAT_BH_PORT_RESET 28 #define USB_PORT_FEAT_C_BH_PORT_RESET 29 diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 0fd3fbd..cf65b5c 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -583,8 +583,26 @@ struct usb_ss_ep_comp_descriptor { } __attribute__ ((packed)); #define USB_DT_SS_EP_COMP_SIZE 6 + /* Bits 4:0 of bmAttributes if this is a bulk endpoint */ -#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f)) +static inline int +usb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp) +{ + int max_streams; + + if (!comp) + return 0; + + max_streams = comp->bmAttributes & 0x1f; + + if (!max_streams) + return 0; + + max_streams = 1 << max_streams; + + return max_streams; +} + /* Bits 1:0 of bmAttributes if this is an isoc endpoint */ #define USB_SS_MULT(p) (1 + ((p) & 0x3)) diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 0097136..c0ecc5a 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -178,7 +178,7 @@ struct usb_hcd { * this structure. */ unsigned long hcd_priv[0] - __attribute__ ((aligned(sizeof(unsigned long)))); + __attribute__ ((aligned(sizeof(s64)))); }; /* 2.4 does this a bit differently ... */ diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 8a4c309..eeeda13 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1075,6 +1075,7 @@ struct v4l2_querymenu { #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 /* User-class control IDs defined by V4L2 */ +#define V4L2_CID_MAX_CTRLS 1024 #define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900) #define V4L2_CID_USER_BASE V4L2_CID_BASE /* IDs reserved for driver specific controls */ diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 9332e52..687fb11 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -13,6 +13,7 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ #define VM_MAP 0x00000004 /* vmap()ed pages */ #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ +#define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */ /* bits [20..32] reserved for arch specific ioremap internals */ /* diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index f584aba..6c56a14 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -289,12 +289,16 @@ enum { * * system_freezable_wq is equivalent to system_wq except that it's * freezable. + * + * system_nrt_freezable_wq is equivalent to system_nrt_wq except that + * it's freezable. */ extern struct workqueue_struct *system_wq; extern struct workqueue_struct *system_long_wq; extern struct workqueue_struct *system_nrt_wq; extern struct workqueue_struct *system_unbound_wq; extern struct workqueue_struct *system_freezable_wq; +extern struct workqueue_struct *system_nrt_freezable_wq; extern struct workqueue_struct * __alloc_workqueue_key(const char *name, unsigned int flags, int max_active, diff --git a/include/net/arp.h b/include/net/arp.h index 91f0568..fb0eb90 100644 --- a/include/net/arp.h +++ b/include/net/arp.h @@ -16,6 +16,7 @@ extern void arp_send(int type, int ptype, __be32 dest_ip, const unsigned char *dest_hw, const unsigned char *src_hw, const unsigned char *th); extern int arp_bind_neighbour(struct dst_entry *dst); +extern struct neighbour *__arp_bind_neighbour(struct dst_entry *dst, __be32 nexthop); extern int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir); extern void arp_ifdown(struct net_device *dev); diff --git a/include/net/dst.h b/include/net/dst.h index e12ddfb..d020134 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -37,7 +37,7 @@ struct dst_entry { unsigned long _metrics; unsigned long expires; struct dst_entry *path; - struct neighbour *neighbour; + struct neighbour __rcu *_neighbour; struct hh_cache *hh; #ifdef CONFIG_XFRM struct xfrm_state *xfrm; @@ -86,6 +86,21 @@ struct dst_entry { }; }; +static inline struct neighbour *dst_get_neighbour(struct dst_entry *dst) +{ + return rcu_dereference(dst->_neighbour); +} + +static inline struct neighbour *dst_get_neighbour_raw(struct dst_entry *dst) +{ + return rcu_dereference_raw(dst->_neighbour); +} + +static inline void dst_set_neighbour(struct dst_entry *dst, struct neighbour *neigh) +{ + rcu_assign_pointer(dst->_neighbour, neigh); +} + extern u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old); extern const u32 dst_default_metrics[RTAX_MAX]; @@ -371,8 +386,14 @@ static inline void dst_rcu_free(struct rcu_head *head) static inline void dst_confirm(struct dst_entry *dst) { - if (dst) - neigh_confirm(dst->neighbour); + if (dst) { + struct neighbour *n; + + rcu_read_lock(); + n = dst_get_neighbour(dst); + neigh_confirm(n); + rcu_read_unlock(); + } } static inline void dst_link_failure(struct sk_buff *skb) diff --git a/include/net/flow.h b/include/net/flow.h index c6d5fe5..e37cfda 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -7,6 +7,7 @@ #ifndef _NET_FLOW_H #define _NET_FLOW_H +#include <linux/socket.h> #include <linux/in6.h> #include <asm/atomic.h> @@ -68,7 +69,7 @@ struct flowi4 { #define fl4_ipsec_spi uli.spi #define fl4_mh_type uli.mht.type #define fl4_gre_key uli.gre_key -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); static inline void flowi4_init_output(struct flowi4 *fl4, int oif, __u32 mark, __u8 tos, __u8 scope, @@ -89,6 +90,16 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->fl4_dport = dport; fl4->fl4_sport = sport; } + +/* Reset some input parameters after previous lookup */ +static inline void flowi4_update_output(struct flowi4 *fl4, int oif, __u8 tos, + __be32 daddr, __be32 saddr) +{ + fl4->flowi4_oif = oif; + fl4->flowi4_tos = tos; + fl4->daddr = daddr; + fl4->saddr = saddr; +} struct flowi6 { @@ -112,7 +123,7 @@ struct flowi6 { #define fl6_ipsec_spi uli.spi #define fl6_mh_type uli.mht.type #define fl6_gre_key uli.gre_key -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); struct flowidn { struct flowi_common __fl_common; @@ -127,7 +138,7 @@ struct flowidn { union flowi_uli uli; #define fld_sport uli.ports.sport #define fld_dport uli.ports.dport -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); struct flowi { union { @@ -161,6 +172,24 @@ static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn) return container_of(fldn, struct flowi, u.dn); } +typedef unsigned long flow_compare_t; + +static inline size_t flow_key_size(u16 family) +{ + switch (family) { + case AF_INET: + BUILD_BUG_ON(sizeof(struct flowi4) % sizeof(flow_compare_t)); + return sizeof(struct flowi4) / sizeof(flow_compare_t); + case AF_INET6: + BUILD_BUG_ON(sizeof(struct flowi6) % sizeof(flow_compare_t)); + return sizeof(struct flowi6) / sizeof(flow_compare_t); + case AF_DECnet: + BUILD_BUG_ON(sizeof(struct flowidn) % sizeof(flow_compare_t)); + return sizeof(struct flowidn) / sizeof(flow_compare_t); + } + return 0; +} + #define FLOW_DIR_IN 0 #define FLOW_DIR_OUT 1 #define FLOW_DIR_FWD 2 diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index caaff5f..14dd9c7 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -31,6 +31,7 @@ /** struct ip_options - IP Options * * @faddr - Saved first hop address + * @nexthop - Saved nexthop address in LSRR and SSRR * @is_data - Options in __data, rather than skb * @is_strictroute - Strict source route * @srr_is_hit - Packet destination addr was our one @@ -41,6 +42,7 @@ */ struct ip_options { __be32 faddr; + __be32 nexthop; unsigned char optlen; unsigned char srr; unsigned char rr; diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h index 3419bf5..d55f434 100644 --- a/include/net/netns/generic.h +++ b/include/net/netns/generic.h @@ -41,6 +41,7 @@ static inline void *net_generic(const struct net *net, int id) ptr = ng->ptr[id - 1]; rcu_read_unlock(); + BUG_ON(!ptr); return ptr; } #endif diff --git a/include/net/route.h b/include/net/route.h index db7b343..5d7aae4 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -270,6 +270,7 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, if (IS_ERR(rt)) return rt; ip_rt_put(rt); + flowi4_update_output(fl4, oif, tos, fl4->daddr, fl4->saddr); } security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(net, fl4, sk); @@ -284,6 +285,9 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable fl4->fl4_dport = dport; fl4->fl4_sport = sport; ip_rt_put(rt); + flowi4_update_output(fl4, sk->sk_bound_dev_if, + RT_CONN_FLAGS(sk), fl4->daddr, + fl4->saddr); security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(sock_net(sk), fl4, sk); } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index b931f02..f1fbe2d 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -219,9 +219,16 @@ struct tcf_proto { struct qdisc_skb_cb { unsigned int pkt_len; - long data[]; + unsigned char data[24]; }; +static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) +{ + struct qdisc_skb_cb *qcb; + BUILD_BUG_ON(sizeof(skb->cb) < sizeof(unsigned int) + sz); + BUILD_BUG_ON(sizeof(qcb->data) < sz); +} + static inline int qdisc_qlen(struct Qdisc *q) { return q->q.qlen; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 7df327a..c388421 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -236,6 +236,9 @@ extern struct sctp_globals { * bits is an indicator of when to send and window update SACK. */ int rwnd_update_shift; + + /* Threshold for autoclose timeout, in seconds. */ + unsigned long max_autoclose; } sctp_globals; #define sctp_rto_initial (sctp_globals.rto_initial) @@ -271,6 +274,7 @@ extern struct sctp_globals { #define sctp_auth_enable (sctp_globals.auth_enable) #define sctp_checksum_disable (sctp_globals.checksum_disable) #define sctp_rwnd_upd_shift (sctp_globals.rwnd_update_shift) +#define sctp_max_autoclose (sctp_globals.max_autoclose) /* SCTP Socket type: UDP or TCP style. */ typedef enum { diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 561ac99..0fe6679 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -36,6 +36,7 @@ #define TRANSPORT_SENSE_BUFFER SCSI_SENSE_BUFFERSIZE /* Used by transport_send_check_condition_and_sense() */ #define SPC_SENSE_KEY_OFFSET 2 +#define SPC_ADD_SENSE_LEN_OFFSET 7 #define SPC_ASC_KEY_OFFSET 12 #define SPC_ASCQ_KEY_OFFSET 13 #define TRANSPORT_IQN_LEN 224 diff --git a/include/trace/events/cpufreq_interactive.h b/include/trace/events/cpufreq_interactive.h index 3a90d3d..19e070b 100644 --- a/include/trace/events/cpufreq_interactive.h +++ b/include/trace/events/cpufreq_interactive.h @@ -81,6 +81,18 @@ DEFINE_EVENT(loadeval, cpufreq_interactive_notyet, unsigned long curfreq, unsigned long targfreq), TP_ARGS(cpu_id, load, curfreq, targfreq) ); + +TRACE_EVENT(cpufreq_interactive_boost, + TP_PROTO(unsigned long freq), + TP_ARGS(freq), + TP_STRUCT__entry( + __field(unsigned long, freq) + ), + TP_fast_assign( + __entry->freq = freq; + ), + TP_printk("freq=%lu", __entry->freq) +); #endif /* _TRACE_CPUFREQ_INTERACTIVE_H */ /* This part must be outside protection */ diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 4e249b9..9b60c6f 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -23,7 +23,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, for_background) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + struct device *dev = bdi->dev; + if (!dev) + dev = default_backing_dev_info.dev; + strncpy(__entry->name, dev_name(dev), 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode; diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 892b97f..c0d8014 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -514,6 +514,11 @@ struct omap_dss_device { int (*get_backlight)(struct omap_dss_device *dssdev); }; +struct omap_dss_hdmi_data +{ + int hpd_gpio; +}; + struct omap_dss_driver { struct device_driver driver; diff --git a/include/xen/interface/io/xs_wire.h b/include/xen/interface/io/xs_wire.h index 99fcffb..454ee26 100644 --- a/include/xen/interface/io/xs_wire.h +++ b/include/xen/interface/io/xs_wire.h @@ -84,4 +84,7 @@ struct xenstore_domain_interface { XENSTORE_RING_IDX rsp_cons, rsp_prod; }; +/* Violating this is very bad. See docs/misc/xenstore.txt. */ +#define XENSTORE_PAYLOAD_MAX 4096 + #endif /* _XS_WIRE_H */ |