futex_wait_requeue_pi – Wait on uaddr and take uaddr2 Synopsis int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, u32 val, ktime_t *abs_time, u32 bitset, u32 __user *uaddr2); Arguments uaddr the futex we initially wait on (non-pi) flags futex flags (FLAGS_SHARED, FLAGS_CLOCKRT, etc.), they must be the same type, no requeueing from private to shared, etc. val the…
futex_wait_queue_me – queue_me and wait for wakeup, timeout, or signal Synopsis void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q, struct hrtimer_sleeper *timeout); Arguments hb the futex hash bucket, must be locked by the caller q the futex_q to queue up on timeout the prepared hrtimer_sleeper, or null for no timeout Author Rusty Russell <rusty [at] rustcorp.com.au>…
futex_top_waiter – Return the highest priority waiter on a futex Synopsis struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb, union futex_key *key); Arguments hb the hash bucket the futex_q’s reside in key the futex key (to distinguish it from other futex futex_q’s) Description Must be called with the hb lock held. Author Rusty Russell <rusty [at] rustcorp.com.au> Author….
futex_requeue – Requeue waiters from uaddr1 to uaddr2 Synopsis int futex_requeue(u32 __user *uaddr1, unsigned int flags, u32 __user *uaddr2, int nr_wake, int nr_requeue, u32 *cmpval, int requeue_pi); Arguments uaddr1 source futex user address flags futex flags (FLAGS_SHARED, etc.) uaddr2 target futex user address nr_wake number of waiters to wake (must be 1 for requeue_pi) nr_requeue…
futex_proxy_trylock_atomic – Attempt an atomic lock for the top waiter Synopsis int futex_proxy_trylock_atomic(u32 __user *pifutex, struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2, union futex_key *key1, union futex_key *key2, struct futex_pi_state **ps, int set_waiters); Arguments pifutex the user address of the to futex hb1 the from futex hash bucket, must be locked by the caller hb2 the…
futex_lock_pi_atomic – Atomic work required to acquire a pi aware futex Synopsis int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb, union futex_key *key, struct futex_pi_state **ps, struct task_struct *task, int set_waiters); Arguments uaddr the pi futex user address hb the pi futex hash bucket key the futex key associated with uaddr and hb ps the pi_state…
fsl_rio_setup – Setup Freescale PowerPC RapidIO interface Synopsis int fsl_rio_setup(struct platform_device *dev); Arguments dev platform_device pointer Description Initializes MPC85xx RapidIO hardware interface, configures master port with system-specific info, and registers the master port with the RapidIO subsystem. Author Matt Porter <mporter [at] kernel.crashing.org>, <mporter [at] mvista.com> Author. Copyright
fsl_rio_config_write – Generate a MPC85xx write maintenance transaction Synopsis int fsl_rio_config_write(struct rio_mport *mport, int index, u16 destid, u8 hopcount, u32 offset, int len, u32 val); Arguments mport RapidIO master port info index ID of RapdiIO interface destid Destination ID of transaction hopcount Number of hops to target device offset Offset into configuration space len Length…
fsl_rio_config_read – Generate a MPC85xx read maintenance transaction Synopsis int fsl_rio_config_read(struct rio_mport *mport, int index, u16 destid, u8 hopcount, u32 offset, int len, u32 *val); Arguments mport RapidIO master port info index ID of RapdiIO interface destid Destination ID of transaction hopcount Number of hops to target device offset Offset into configuration space len Length…
fsl_local_config_write – Generate a MPC85xx local config space write Synopsis int fsl_local_config_write(struct rio_mport *mport, int index, u32 offset, int len, u32 data); Arguments mport RapidIO master port info index ID of RapdiIO interface offset Offset into configuration space len Length (in bytes) of the maintenance transaction data Value to be written Description Generates a MPC85xx…
fsl_local_config_read – Generate a MPC85xx local config space read Synopsis int fsl_local_config_read(struct rio_mport *mport, int index, u32 offset, int len, u32 *data); Arguments mport RapidIO master port info index ID of RapdiIO interface offset Offset into configuration space len Length (in bytes) of the maintenance transaction data Value to be read into Description Generates a…
freeze_super – lock the filesystem and force it into a consistent state Synopsis int freeze_super(struct super_block *sb); Arguments sb the super to lock Description Syncs the super to make sure the filesystem is consistent and calls the fs’s freeze_fs. Subsequent calls to this without first thawing the fs will return -EBUSY. During this function, sb->s_writers.frozen…
freeze_bdev – – lock a filesystem and force it into a consistent state Synopsis struct super_block *freeze_bdev(struct block_device *bdev); Arguments bdev blockdevice to lock Description If a superblock is found on this device, we take the s_umount semaphore on it to make sure nobody unmounts until the snapshot creation is done. The reference counter (bd_fsfreeze_count)…
free_rs – Free the rs control structure, if it is no longer used Synopsis void free_rs(struct rs_control *rs); Arguments rs the control structure which is not longer used by the caller Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
free_percpu_irq – free an interrupt allocated with request_percpu_irq Synopsis void free_percpu_irq(unsigned int irq, void __percpu *dev_id); Arguments irq Interrupt line to free dev_id Device identity to free Description Remove a percpu interrupt handler. The handler is removed, but the interrupt line is not disabled. This must be done on each CPU before calling this function….
free_netdev – free network device Synopsis void free_netdev(struct net_device *dev); Arguments dev device Description This function does the last stage of destroying an allocated device interface. The reference to the device object is released. If this is the last reference then it will be freed. Must be called in process context. Copyright
free_irq – free an interrupt allocated with request_irq Synopsis void free_irq(unsigned int irq, void *dev_id); Arguments irq Interrupt line to free dev_id Device identity to free Description Remove an interrupt handler. The handler is removed and if the interrupt line is no longer in use by any driver it is disabled. On a shared IRQ…
free_dma – free a reserved system DMA channel Synopsis void free_dma(unsigned int dmanr); Arguments dmanr DMA channel number Copyright
free_bootmem_with_active_regions – Call memblock_free_early_nid for each active range Synopsis void free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn); Arguments nid The node to free memory on. If MAX_NUMNODES, all nodes are freed. max_low_pfn The highest PFN that will be passed to memblock_free_early_nid Description If an architecture guarantees that all ranges registered contain no holes and may be freed,…
free_area_init_nodes – Initialise all pg_data_t and zone data Synopsis void free_area_init_nodes(unsigned long *max_zone_pfn); Arguments max_zone_pfn an array of max PFNs for each zone Description This will call free_area_init_node for each active node in the system. Using the page ranges provided by memblock_set_node, the size of each zone in each node and their holes is calculated….