linux-5.10/kernel/notifier.c

18  *	Notifier chain core routines.  The exported routines below
54  *	@nl:		Pointer to head of the blocking notifier chain
100  * @nl:		Pointer to head of the blocking notifier chain
106  * NOTE:	It is important the @nl chain doesn't change between the two
126  *	Atomic notifier chain routines.  Registration and unregistration
131  *	atomic_notifier_chain_register - Add notifier to an atomic notifier chain
132  *	@nh: Pointer to head of the atomic notifier chain
133  *	@n: New entry in notifier chain
135  *	Adds a notifier to an atomic notifier chain.
153  *	atomic_notifier_chain_unregister - Remove notifier from an atomic notifier chain
154  *	@nh: Pointer to head of the atomic notifier chain
155  *	@n: Entry to remove from notifier chain
157  *	Removes a notifier from an atomic notifier chain.
195  *	atomic_notifier_call_chain - Call functions in an atomic notifier chain
196  *	@nh: Pointer to head of the atomic notifier chain
200  *	Calls each function in a notifier chain in turn.  The functions
202  *	This routine uses RCU to synchronize with changes to the chain.
226  *	Blocking notifier chain routines.  All access to the chain is
231  *	blocking_notifier_chain_register - Add notifier to a blocking notifier chain
232  *	@nh: Pointer to head of the blocking notifier chain
233  *	@n: New entry in notifier chain
235  *	Adds a notifier to a blocking notifier chain.
261  *	blocking_notifier_chain_unregister - Remove notifier from a blocking notifier chain
262  *	@nh: Pointer to head of the blocking notifier chain
263  *	@n: Entry to remove from notifier chain
265  *	Removes a notifier from a blocking notifier chain.
310  *	blocking_notifier_call_chain - Call functions in a blocking notifier chain
311  *	@nh: Pointer to head of the blocking notifier chain
315  *	Calls each function in a notifier chain in turn.  The functions
345  *	Raw notifier chain routines.  There is no protection;
350  *	raw_notifier_chain_register - Add notifier to a raw notifier chain
351  *	@nh: Pointer to head of the raw notifier chain
352  *	@n: New entry in notifier chain
354  *	Adds a notifier to a raw notifier chain.
367  *	raw_notifier_chain_unregister - Remove notifier from a raw notifier chain
368  *	@nh: Pointer to head of the raw notifier chain
369  *	@n: Entry to remove from notifier chain
371  *	Removes a notifier from a raw notifier chain.
391  *	raw_notifier_call_chain - Call functions in a raw notifier chain
392  *	@nh: Pointer to head of the raw notifier chain
396  *	Calls each function in a notifier chain in turn.  The functions
416  *	SRCU notifier chain routines.    Registration and unregistration
421  *	srcu_notifier_chain_register - Add notifier to an SRCU notifier chain
422  *	@nh: Pointer to head of the SRCU notifier chain
423  *	@n: New entry in notifier chain
425  *	Adds a notifier to an SRCU notifier chain.
451  *	srcu_notifier_chain_unregister - Remove notifier from an SRCU notifier chain
452  *	@nh: Pointer to head of the SRCU notifier chain
453  *	@n: Entry to remove from notifier chain
455  *	Removes a notifier from an SRCU notifier chain.
482  *	srcu_notifier_call_chain - Call functions in an SRCU notifier chain
483  *	@nh: Pointer to head of the SRCU notifier chain
487  *	Calls each function in a notifier chain in turn.  The functions
512  *	@nh: Pointer to head of the srcu notifier chain