diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/Kbuild | 1 | ||||
-rw-r--r-- | include/linux/capability.h | 2 | ||||
-rw-r--r-- | include/linux/compiler-gcc4.h | 14 | ||||
-rw-r--r-- | include/linux/compiler.h | 5 | ||||
-rw-r--r-- | include/linux/fscache-cache.h | 40 | ||||
-rw-r--r-- | include/linux/fscache.h | 27 | ||||
-rw-r--r-- | include/linux/gfs2_ondisk.h | 6 | ||||
-rw-r--r-- | include/linux/i2c-pnx.h | 2 | ||||
-rw-r--r-- | include/linux/init_task.h | 4 | ||||
-rw-r--r-- | include/linux/input.h | 4 | ||||
-rw-r--r-- | include/linux/isdn_ppp.h | 2 | ||||
-rw-r--r-- | include/linux/lsm_audit.h | 18 | ||||
-rw-r--r-- | include/linux/mfd/wm831x/regulator.h | 4 | ||||
-rw-r--r-- | include/linux/nilfs2_fs.h | 9 | ||||
-rw-r--r-- | include/linux/pci_ids.h | 2 | ||||
-rw-r--r-- | include/linux/posix_acl.h | 14 | ||||
-rw-r--r-- | include/linux/quota.h | 11 | ||||
-rw-r--r-- | include/linux/securebits.h | 24 | ||||
-rw-r--r-- | include/linux/security.h | 48 | ||||
-rw-r--r-- | include/linux/slow-work.h | 72 | ||||
-rw-r--r-- | include/linux/suspend.h | 21 | ||||
-rw-r--r-- | include/linux/tpm.h | 9 | ||||
-rw-r--r-- | include/linux/vt.h | 4 |
23 files changed, 297 insertions, 46 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 1feed71551c..5a5385749e1 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -330,6 +330,7 @@ unifdef-y += scc.h unifdef-y += sched.h unifdef-y += screen_info.h unifdef-y += sdla.h +unifdef-y += securebits.h unifdef-y += selinux_netlink.h unifdef-y += sem.h unifdef-y += serial_core.h diff --git a/include/linux/capability.h b/include/linux/capability.h index c8f2a5f70ed..39e5ff512fb 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -92,9 +92,7 @@ struct vfs_cap_data { #define _KERNEL_CAPABILITY_VERSION _LINUX_CAPABILITY_VERSION_3 #define _KERNEL_CAPABILITY_U32S _LINUX_CAPABILITY_U32S_3 -#ifdef CONFIG_SECURITY_FILE_CAPABILITIES extern int file_caps_enabled; -#endif typedef struct kernel_cap_struct { __u32 cap[_KERNEL_CAPABILITY_U32S]; diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 450fa597c94..ab3af40a53c 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -36,4 +36,18 @@ the kernel context */ #define __cold __attribute__((__cold__)) + +#if __GNUC_MINOR__ >= 5 +/* + * Mark a position in code as unreachable. This can be used to + * suppress control flow warnings after asm blocks that transfer + * control elsewhere. + * + * Early snapshots of gcc 4.5 don't support this and we can't detect + * this in the preprocessor, but we can live with this because they're + * unreleased. Really, we need to have autoconf for the kernel. + */ +#define unreachable() __builtin_unreachable() +#endif + #endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 04fb5135b4e..59f208926d1 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -144,6 +144,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define barrier() __memory_barrier() #endif +/* Unreachable code */ +#ifndef unreachable +# define unreachable() do { } while (1) +#endif + #ifndef RELOC_HIDE # define RELOC_HIDE(ptr, off) \ ({ unsigned long __ptr; \ diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 84d3532dd3e..7be0c6fbe88 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -91,6 +91,8 @@ struct fscache_operation { #define FSCACHE_OP_WAITING 4 /* cleared when op is woken */ #define FSCACHE_OP_EXCLUSIVE 5 /* exclusive op, other ops must wait */ #define FSCACHE_OP_DEAD 6 /* op is now dead */ +#define FSCACHE_OP_DEC_READ_CNT 7 /* decrement object->n_reads on destruction */ +#define FSCACHE_OP_KEEP_FLAGS 0xc0 /* flags to keep when repurposing an op */ atomic_t usage; unsigned debug_id; /* debugging ID */ @@ -102,6 +104,16 @@ struct fscache_operation { /* operation releaser */ fscache_operation_release_t release; + +#ifdef CONFIG_SLOW_WORK_PROC + const char *name; /* operation name */ + const char *state; /* operation state */ +#define fscache_set_op_name(OP, N) do { (OP)->name = (N); } while(0) +#define fscache_set_op_state(OP, S) do { (OP)->state = (S); } while(0) +#else +#define fscache_set_op_name(OP, N) do { } while(0) +#define fscache_set_op_state(OP, S) do { } while(0) +#endif }; extern atomic_t fscache_op_debug_id; @@ -125,6 +137,7 @@ static inline void fscache_operation_init(struct fscache_operation *op, op->debug_id = atomic_inc_return(&fscache_op_debug_id); op->release = release; INIT_LIST_HEAD(&op->pend_link); + fscache_set_op_state(op, "Init"); } /** @@ -221,8 +234,10 @@ struct fscache_cache_ops { struct fscache_object *(*alloc_object)(struct fscache_cache *cache, struct fscache_cookie *cookie); - /* look up the object for a cookie */ - void (*lookup_object)(struct fscache_object *object); + /* look up the object for a cookie + * - return -ETIMEDOUT to be requeued + */ + int (*lookup_object)(struct fscache_object *object); /* finished looking up */ void (*lookup_complete)(struct fscache_object *object); @@ -297,12 +312,14 @@ struct fscache_cookie { atomic_t usage; /* number of users of this cookie */ atomic_t n_children; /* number of children of this cookie */ spinlock_t lock; + spinlock_t stores_lock; /* lock on page store tree */ struct hlist_head backing_objects; /* object(s) backing this file/index */ const struct fscache_cookie_def *def; /* definition */ struct fscache_cookie *parent; /* parent of this entry */ void *netfs_data; /* back pointer to netfs */ struct radix_tree_root stores; /* pages to be stored on this cookie */ #define FSCACHE_COOKIE_PENDING_TAG 0 /* pages tag: pending write to cache */ +#define FSCACHE_COOKIE_STORING_TAG 1 /* pages tag: writing to cache */ unsigned long flags; #define FSCACHE_COOKIE_LOOKING_UP 0 /* T if non-index cookie being looked up still */ @@ -337,6 +354,7 @@ struct fscache_object { FSCACHE_OBJECT_RECYCLING, /* retiring object */ FSCACHE_OBJECT_WITHDRAWING, /* withdrawing object */ FSCACHE_OBJECT_DEAD, /* object is now dead */ + FSCACHE_OBJECT__NSTATES } state; int debug_id; /* debugging ID */ @@ -345,6 +363,7 @@ struct fscache_object { int n_obj_ops; /* number of object ops outstanding on object */ int n_in_progress; /* number of ops in progress */ int n_exclusive; /* number of exclusive ops queued */ + atomic_t n_reads; /* number of read ops in progress */ spinlock_t lock; /* state and operations lock */ unsigned long lookup_jif; /* time at which lookup started */ @@ -358,6 +377,7 @@ struct fscache_object { #define FSCACHE_OBJECT_EV_RELEASE 4 /* T if netfs requested object release */ #define FSCACHE_OBJECT_EV_RETIRE 5 /* T if netfs requested object retirement */ #define FSCACHE_OBJECT_EV_WITHDRAW 6 /* T if cache requested object withdrawal */ +#define FSCACHE_OBJECT_EVENTS_MASK 0x7f /* mask of all events*/ unsigned long flags; #define FSCACHE_OBJECT_LOCK 0 /* T if object is busy being processed */ @@ -373,7 +393,11 @@ struct fscache_object { struct list_head dependents; /* FIFO of dependent objects */ struct list_head dep_link; /* link in parent's dependents list */ struct list_head pending_ops; /* unstarted operations on this object */ +#ifdef CONFIG_FSCACHE_OBJECT_LIST + struct rb_node objlist_link; /* link in global object list */ +#endif pgoff_t store_limit; /* current storage limit */ + loff_t store_limit_l; /* current storage limit */ }; extern const char *fscache_object_states[]; @@ -383,6 +407,10 @@ extern const char *fscache_object_states[]; (obj)->state >= FSCACHE_OBJECT_AVAILABLE && \ (obj)->state < FSCACHE_OBJECT_DYING) +#define fscache_object_is_dead(obj) \ + (test_bit(FSCACHE_IOERROR, &(obj)->cache->flags) && \ + (obj)->state >= FSCACHE_OBJECT_DYING) + extern const struct slow_work_ops fscache_object_slow_work_ops; /** @@ -414,6 +442,7 @@ void fscache_object_init(struct fscache_object *object, object->events = object->event_mask = 0; object->flags = 0; object->store_limit = 0; + object->store_limit_l = 0; object->cache = cache; object->cookie = cookie; object->parent = NULL; @@ -422,6 +451,12 @@ void fscache_object_init(struct fscache_object *object, extern void fscache_object_lookup_negative(struct fscache_object *object); extern void fscache_obtained_object(struct fscache_object *object); +#ifdef CONFIG_FSCACHE_OBJECT_LIST +extern void fscache_object_destroy(struct fscache_object *object); +#else +#define fscache_object_destroy(object) do {} while(0) +#endif + /** * fscache_object_destroyed - Note destruction of an object in a cache * @cache: The cache from which the object came @@ -460,6 +495,7 @@ static inline void fscache_object_lookup_error(struct fscache_object *object) static inline void fscache_set_store_limit(struct fscache_object *object, loff_t i_size) { + object->store_limit_l = i_size; object->store_limit = i_size >> PAGE_SHIFT; if (i_size & ~PAGE_MASK) object->store_limit++; diff --git a/include/linux/fscache.h b/include/linux/fscache.h index 6d8ee466e0a..595ce49288b 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -202,6 +202,8 @@ extern int __fscache_write_page(struct fscache_cookie *, struct page *, gfp_t); extern void __fscache_uncache_page(struct fscache_cookie *, struct page *); extern bool __fscache_check_page_write(struct fscache_cookie *, struct page *); extern void __fscache_wait_on_page_write(struct fscache_cookie *, struct page *); +extern bool __fscache_maybe_release_page(struct fscache_cookie *, struct page *, + gfp_t); /** * fscache_register_netfs - Register a filesystem as desiring caching services @@ -615,4 +617,29 @@ void fscache_wait_on_page_write(struct fscache_cookie *cookie, __fscache_wait_on_page_write(cookie, page); } +/** + * fscache_maybe_release_page - Consider releasing a page, cancelling a store + * @cookie: The cookie representing the cache object + * @page: The netfs page that is being cached. + * @gfp: The gfp flags passed to releasepage() + * + * Consider releasing a page for the vmscan algorithm, on behalf of the netfs's + * releasepage() call. A storage request on the page may cancelled if it is + * not currently being processed. + * + * The function returns true if the page no longer has a storage request on it, + * and false if a storage request is left in place. If true is returned, the + * page will have been passed to fscache_uncache_page(). If false is returned + * the page cannot be freed yet. + */ +static inline +bool fscache_maybe_release_page(struct fscache_cookie *cookie, + struct page *page, + gfp_t gfp) +{ + if (fscache_cookie_valid(cookie) && PageFsCache(page)) + return __fscache_maybe_release_page(cookie, page, gfp); + return false; +} + #endif /* _LINUX_FSCACHE_H */ diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h index b80c88dedbb..81f90a59cda 100644 --- a/include/linux/gfs2_ondisk.h +++ b/include/linux/gfs2_ondisk.h @@ -81,7 +81,11 @@ struct gfs2_meta_header { __be32 mh_type; __be64 __pad0; /* Was generation number in gfs1 */ __be32 mh_format; - __be32 __pad1; /* Was incarnation number in gfs1 */ + /* This union is to keep userspace happy */ + union { + __be32 mh_jid; /* Was incarnation number in gfs1 */ + __be32 __pad1; + }; }; /* diff --git a/include/linux/i2c-pnx.h b/include/linux/i2c-pnx.h index f13255e0640..9eb07bbc652 100644 --- a/include/linux/i2c-pnx.h +++ b/include/linux/i2c-pnx.h @@ -21,7 +21,7 @@ struct i2c_pnx_mif { int mode; /* Interface mode */ struct completion complete; /* I/O completion */ struct timer_list timer; /* Timeout */ - char * buf; /* Data buffer */ + u8 * buf; /* Data buffer */ int len; /* Length of data buffer */ }; diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 21a6f5d9af2..8d10aa7fd4c 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -83,16 +83,12 @@ extern struct group_info init_groups; #define INIT_IDS #endif -#ifdef CONFIG_SECURITY_FILE_CAPABILITIES /* * Because of the reduced scope of CAP_SETPCAP when filesystem * capabilities are in effect, it is safe to allow CAP_SETPCAP to * be available in the default configuration. */ # define CAP_INIT_BSET CAP_FULL_SET -#else -# define CAP_INIT_BSET CAP_INIT_EFF_SET -#endif #ifdef CONFIG_TREE_PREEMPT_RCU #define INIT_TASK_RCU_PREEMPT(tsk) \ diff --git a/include/linux/input.h b/include/linux/input.h index 0ccfc30cd40..c2b1a7d244d 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1377,6 +1377,10 @@ extern struct class input_class; * methods; erase() is optional. set_gain() and set_autocenter() need * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER * bits. + * + * Note that playback(), set_gain() and set_autocenter() are called with + * dev->event_lock spinlock held and interrupts off and thus may not + * sleep. */ struct ff_device { int (*upload)(struct input_dev *dev, struct ff_effect *effect, diff --git a/include/linux/isdn_ppp.h b/include/linux/isdn_ppp.h index 4c218ee7587..8687a7dc063 100644 --- a/include/linux/isdn_ppp.h +++ b/include/linux/isdn_ppp.h @@ -157,7 +157,7 @@ typedef struct { typedef struct { int mp_mrru; /* unused */ - struct sk_buff_head frags; /* fragments sl list */ + struct sk_buff * frags; /* fragments sl list -- use skb->next */ long frames; /* number of frames in the frame list */ unsigned int seq; /* last processed packet seq #: any packets * with smaller seq # will be dropped diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h index 190c3785487..f78f83d7663 100644 --- a/include/linux/lsm_audit.h +++ b/include/linux/lsm_audit.h @@ -26,14 +26,15 @@ /* 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 -#define LSM_AUDIT_NO_AUDIT 7 + 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 +#define LSM_AUDIT_NO_AUDIT 7 +#define LSM_AUDIT_DATA_KMOD 8 struct task_struct *tsk; union { struct { @@ -66,6 +67,7 @@ struct common_audit_data { char *key_desc; } key_struct; #endif + char *kmod_name; } u; /* this union contains LSM specific data */ union { diff --git a/include/linux/mfd/wm831x/regulator.h b/include/linux/mfd/wm831x/regulator.h index f95466343fb..955d30fc6a2 100644 --- a/include/linux/mfd/wm831x/regulator.h +++ b/include/linux/mfd/wm831x/regulator.h @@ -1212,7 +1212,7 @@ #define WM831X_LDO1_OK_SHIFT 0 /* LDO1_OK */ #define WM831X_LDO1_OK_WIDTH 1 /* LDO1_OK */ -#define WM831X_ISINK_MAX_ISEL 56 -extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL]; +#define WM831X_ISINK_MAX_ISEL 55 +extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1]; #endif diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h index 79fec6af3f9..ce520402e84 100644 --- a/include/linux/nilfs2_fs.h +++ b/include/linux/nilfs2_fs.h @@ -425,15 +425,6 @@ struct nilfs_dat_entry { }; /** - * struct nilfs_dat_group_desc - block group descriptor - * @dg_nfrees: number of free virtual block numbers in block group - */ -struct nilfs_dat_group_desc { - __le32 dg_nfrees; -}; - - -/** * struct nilfs_snapshot_list - snapshot list * @ssl_next: next checkpoint number on snapshot list * @ssl_prev: previous checkpoint number on snapshot list diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 84cf1f3b783..daecca3c830 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1633,6 +1633,8 @@ #define PCI_DEVICE_ID_O2_6730 0x673a #define PCI_DEVICE_ID_O2_6832 0x6832 #define PCI_DEVICE_ID_O2_6836 0x6836 +#define PCI_DEVICE_ID_O2_6812 0x6872 +#define PCI_DEVICE_ID_O2_6933 0x6933 #define PCI_VENDOR_ID_3DFX 0x121a #define PCI_DEVICE_ID_3DFX_VOODOO 0x0001 diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 065a3652a3e..67608161df6 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -147,6 +147,20 @@ static inline void forget_cached_acl(struct inode *inode, int type) if (old != ACL_NOT_CACHED) posix_acl_release(old); } + +static inline void forget_all_cached_acls(struct inode *inode) +{ + struct posix_acl *old_access, *old_default; + spin_lock(&inode->i_lock); + old_access = inode->i_acl; + old_default = inode->i_default_acl; + inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; + spin_unlock(&inode->i_lock); + if (old_access != ACL_NOT_CACHED) + posix_acl_release(old_access); + if (old_default != ACL_NOT_CACHED) + posix_acl_release(old_default); +} #endif static inline void cache_no_acl(struct inode *inode) diff --git a/include/linux/quota.h b/include/linux/quota.h index 78c48895b12..ce9a9b2e5cd 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -376,6 +376,17 @@ static inline unsigned int dquot_generic_flag(unsigned int flags, int type) return flags >> _DQUOT_STATE_FLAGS; } +#ifdef CONFIG_QUOTA_NETLINK_INTERFACE +extern void quota_send_warning(short type, unsigned int id, dev_t dev, + const char warntype); +#else +static inline void quota_send_warning(short type, unsigned int id, dev_t dev, + const char warntype) +{ + return; +} +#endif /* CONFIG_QUOTA_NETLINK_INTERFACE */ + struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ struct mutex dqio_mutex; /* lock device while I/O in progress */ diff --git a/include/linux/securebits.h b/include/linux/securebits.h index d2c5ed845bc..33406174cbe 100644 --- a/include/linux/securebits.h +++ b/include/linux/securebits.h @@ -1,6 +1,15 @@ #ifndef _LINUX_SECUREBITS_H #define _LINUX_SECUREBITS_H 1 +/* Each securesetting is implemented using two bits. One bit specifies + whether the setting is on or off. The other bit specify whether the + setting is locked or not. A setting which is locked cannot be + changed from user-level. */ +#define issecure_mask(X) (1 << (X)) +#ifdef __KERNEL__ +#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits)) +#endif + #define SECUREBITS_DEFAULT 0x00000000 /* When set UID 0 has no special privileges. When unset, we support @@ -12,6 +21,9 @@ #define SECURE_NOROOT 0 #define SECURE_NOROOT_LOCKED 1 /* make bit-0 immutable */ +#define SECBIT_NOROOT (issecure_mask(SECURE_NOROOT)) +#define SECBIT_NOROOT_LOCKED (issecure_mask(SECURE_NOROOT_LOCKED)) + /* When set, setuid to/from uid 0 does not trigger capability-"fixup". When unset, to provide compatiblility with old programs relying on set*uid to gain/lose privilege, transitions to/from uid 0 cause @@ -19,6 +31,10 @@ #define SECURE_NO_SETUID_FIXUP 2 #define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */ +#define SECBIT_NO_SETUID_FIXUP (issecure_mask(SECURE_NO_SETUID_FIXUP)) +#define SECBIT_NO_SETUID_FIXUP_LOCKED \ + (issecure_mask(SECURE_NO_SETUID_FIXUP_LOCKED)) + /* When set, a process can retain its capabilities even after transitioning to a non-root user (the set-uid fixup suppressed by bit 2). Bit-4 is cleared when a process calls exec(); setting both @@ -27,12 +43,8 @@ #define SECURE_KEEP_CAPS 4 #define SECURE_KEEP_CAPS_LOCKED 5 /* make bit-4 immutable */ -/* Each securesetting is implemented using two bits. One bit specifies - whether the setting is on or off. The other bit specify whether the - setting is locked or not. A setting which is locked cannot be - changed from user-level. */ -#define issecure_mask(X) (1 << (X)) -#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits)) +#define SECBIT_KEEP_CAPS (issecure_mask(SECURE_KEEP_CAPS)) +#define SECBIT_KEEP_CAPS_LOCKED (issecure_mask(SECURE_KEEP_CAPS_LOCKED)) #define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | \ issecure_mask(SECURE_NO_SETUID_FIXUP) | \ diff --git a/include/linux/security.h b/include/linux/security.h index 239e40d0450..466cbadbd1e 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -447,6 +447,22 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @new_dir contains the path structure for parent of the new link. * @new_dentry contains the dentry structure of the new link. * Return 0 if permission is granted. + * @path_chmod: + * Check for permission to change DAC's permission of a file or directory. + * @dentry contains the dentry structure. + * @mnt contains the vfsmnt structure. + * @mode contains DAC's mode. + * Return 0 if permission is granted. + * @path_chown: + * Check for permission to change owner/group of a file or directory. + * @path contains the path structure. + * @uid contains new owner's ID. + * @gid contains new group's ID. + * Return 0 if permission is granted. + * @path_chroot: + * Check for permission to change root directory. + * @path contains the path structure. + * Return 0 if permission is granted. * @inode_readlink: * Check the permission to read the symbolic link. * @dentry contains the dentry structure for the file link. @@ -690,6 +706,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @kernel_module_request: * Ability to trigger the kernel to automatically upcall to userspace for * userspace to load a kernel module with the given name. + * @kmod_name name of the module requested by the kernel * Return 0 if successful. * @task_setuid: * Check permission before setting one or more of the user identity @@ -1488,6 +1505,10 @@ struct security_operations { struct dentry *new_dentry); int (*path_rename) (struct path *old_dir, struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); + int (*path_chmod) (struct dentry *dentry, struct vfsmount *mnt, + mode_t mode); + int (*path_chown) (struct path *path, uid_t uid, gid_t gid); + int (*path_chroot) (struct path *path); #endif int (*inode_alloc_security) (struct inode *inode); @@ -1557,7 +1578,7 @@ struct security_operations { void (*cred_transfer)(struct cred *new, const struct cred *old); int (*kernel_act_as)(struct cred *new, u32 secid); int (*kernel_create_files_as)(struct cred *new, struct inode *inode); - int (*kernel_module_request)(void); + int (*kernel_module_request)(char *kmod_name); int (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags); int (*task_fix_setuid) (struct cred *new, const struct cred *old, int flags); @@ -1822,7 +1843,7 @@ void security_commit_creds(struct cred *new, const struct cred *old); void security_transfer_creds(struct cred *new, const struct cred *old); int security_kernel_act_as(struct cred *new, u32 secid); int security_kernel_create_files_as(struct cred *new, struct inode *inode); -int security_kernel_module_request(void); +int security_kernel_module_request(char *kmod_name); int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags); int security_task_fix_setuid(struct cred *new, const struct cred *old, int flags); @@ -2387,7 +2408,7 @@ static inline int security_kernel_create_files_as(struct cred *cred, return 0; } -static inline int security_kernel_module_request(void) +static inline int security_kernel_module_request(char *kmod_name) { return 0; } @@ -2952,6 +2973,10 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); int security_path_rename(struct path *old_dir, struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); +int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt, + mode_t mode); +int security_path_chown(struct path *path, uid_t uid, gid_t gid); +int security_path_chroot(struct path *path); #else /* CONFIG_SECURITY_PATH */ static inline int security_path_unlink(struct path *dir, struct dentry *dentry) { @@ -3001,6 +3026,23 @@ static inline int security_path_rename(struct path *old_dir, { return 0; } + +static inline int security_path_chmod(struct dentry *dentry, + struct vfsmount *mnt, + mode_t mode) +{ + return 0; +} + +static inline int security_path_chown(struct path *path, uid_t uid, gid_t gid) +{ + return 0; +} + +static inline int security_path_chroot(struct path *path) +{ + return 0; +} #endif /* CONFIG_SECURITY_PATH */ #ifdef CONFIG_KEYS diff --git a/include/linux/slow-work.h b/include/linux/slow-work.h index b65c8881f07..13337bf6c3f 100644 --- a/include/linux/slow-work.h +++ b/include/linux/slow-work.h @@ -17,13 +17,20 @@ #ifdef CONFIG_SLOW_WORK #include <linux/sysctl.h> +#include <linux/timer.h> struct slow_work; +#ifdef CONFIG_SLOW_WORK_DEBUG +struct seq_file; +#endif /* * The operations used to support slow work items */ struct slow_work_ops { + /* owner */ + struct module *owner; + /* get a ref on a work item * - return 0 if successful, -ve if not */ @@ -34,6 +41,11 @@ struct slow_work_ops { /* execute a work item */ void (*execute)(struct slow_work *work); + +#ifdef CONFIG_SLOW_WORK_DEBUG + /* describe a work item for debugfs */ + void (*desc)(struct slow_work *work, struct seq_file *m); +#endif }; /* @@ -42,13 +54,24 @@ struct slow_work_ops { * queued */ struct slow_work { + struct module *owner; /* the owning module */ unsigned long flags; #define SLOW_WORK_PENDING 0 /* item pending (further) execution */ #define SLOW_WORK_EXECUTING 1 /* item currently executing */ #define SLOW_WORK_ENQ_DEFERRED 2 /* item enqueue deferred */ #define SLOW_WORK_VERY_SLOW 3 /* item is very slow */ +#define SLOW_WORK_CANCELLING 4 /* item is being cancelled, don't enqueue */ +#define SLOW_WORK_DELAYED 5 /* item is struct delayed_slow_work with active timer */ const struct slow_work_ops *ops; /* operations table for this item */ struct list_head link; /* link in queue */ +#ifdef CONFIG_SLOW_WORK_DEBUG + struct timespec mark; /* jiffies at which queued or exec begun */ +#endif +}; + +struct delayed_slow_work { + struct slow_work work; + struct timer_list timer; }; /** @@ -67,6 +90,20 @@ static inline void slow_work_init(struct slow_work *work, } /** + * slow_work_init - Initialise a delayed slow work item + * @work: The work item to initialise + * @ops: The operations to use to handle the slow work item + * + * Initialise a delayed slow work item. + */ +static inline void delayed_slow_work_init(struct delayed_slow_work *dwork, + const struct slow_work_ops *ops) +{ + init_timer(&dwork->timer); + slow_work_init(&dwork->work, ops); +} + +/** * vslow_work_init - Initialise a very slow work item * @work: The work item to initialise * @ops: The operations to use to handle the slow work item @@ -83,9 +120,40 @@ static inline void vslow_work_init(struct slow_work *work, INIT_LIST_HEAD(&work->link); } +/** + * slow_work_is_queued - Determine if a slow work item is on the work queue + * work: The work item to test + * + * Determine if the specified slow-work item is on the work queue. This + * returns true if it is actually on the queue. + * + * If the item is executing and has been marked for requeue when execution + * finishes, then false will be returned. + * + * Anyone wishing to wait for completion of execution can wait on the + * SLOW_WORK_EXECUTING bit. + */ +static inline bool slow_work_is_queued(struct slow_work *work) +{ + unsigned long flags = work->flags; + return flags & SLOW_WORK_PENDING && !(flags & SLOW_WORK_EXECUTING); +} + extern int slow_work_enqueue(struct slow_work *work); -extern int slow_work_register_user(void); -extern void slow_work_unregister_user(void); +extern void slow_work_cancel(struct slow_work *work); +extern int slow_work_register_user(struct module *owner); +extern void slow_work_unregister_user(struct module *owner); + +extern int delayed_slow_work_enqueue(struct delayed_slow_work *dwork, + unsigned long delay); + +static inline void delayed_slow_work_cancel(struct delayed_slow_work *dwork) +{ + slow_work_cancel(&dwork->work); +} + +extern bool slow_work_sleep_till_thread_needed(struct slow_work *work, + signed long *_timeout); #ifdef CONFIG_SYSCTL extern ctl_table slow_work_sysctls[]; diff --git a/include/linux/suspend.h b/include/linux/suspend.h index cd15df6c63c..5e781d824e6 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -301,6 +301,8 @@ static inline int unregister_pm_notifier(struct notifier_block *nb) #define pm_notifier(fn, pri) do { (void)(fn); } while (0) #endif /* !CONFIG_PM_SLEEP */ +extern struct mutex pm_mutex; + #ifndef CONFIG_HIBERNATION static inline void register_nosave_region(unsigned long b, unsigned long e) { @@ -308,8 +310,23 @@ static inline void register_nosave_region(unsigned long b, unsigned long e) static inline void register_nosave_region_late(unsigned long b, unsigned long e) { } -#endif -extern struct mutex pm_mutex; +static inline void lock_system_sleep(void) {} +static inline void unlock_system_sleep(void) {} + +#else + +/* Let some subsystems like memory hotadd exclude hibernation */ + +static inline void lock_system_sleep(void) +{ + mutex_lock(&pm_mutex); +} + +static inline void unlock_system_sleep(void) +{ + mutex_unlock(&pm_mutex); +} +#endif #endif /* _LINUX_SUSPEND_H */ diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 3338b3f5c21..ac5d1c1285d 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -27,9 +27,16 @@ */ #define TPM_ANY_NUM 0xFFFF -#if defined(CONFIG_TCG_TPM) +#if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE) extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf); extern int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash); +#else +static inline int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) { + return -ENODEV; +} +static inline int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) { + return -ENODEV; +} #endif #endif diff --git a/include/linux/vt.h b/include/linux/vt.h index 7afca0d7213..7ffa11f0623 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -70,8 +70,8 @@ struct vt_event { #define VT_EVENT_UNBLANK 0x0004 /* Screen unblank */ #define VT_EVENT_RESIZE 0x0008 /* Resize display */ #define VT_MAX_EVENT 0x000F - unsigned int old; /* Old console */ - unsigned int new; /* New console (if changing) */ + unsigned int oldev; /* Old console */ + unsigned int newev; /* New console (if changing) */ unsigned int pad[4]; /* Padding for expansion */ }; |