centos man page for irq_set_affinity_notifier

IRQ_SET_AFFINITY_NOT(9) 				     Public Functions Provided					   IRQ_SET_AFFINITY_NOT(9)

NAME
       irq_set_affinity_notifier - control notification of IRQ affinity changes

SYNOPSIS
       int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify * notify);

ARGUMENTS
       irq
	   Interrupt for which to enable/disable notification

       notify
	   Context for notification, or NULL to disable notification. Function pointers must be initialised; the other fields will be initialised
	   by this function.

DESCRIPTION
       Must be called in process context. Notification may only be enabled after the IRQ is allocated and must be disabled before the IRQ is freed
       using free_irq.

AUTHORS
       Thomas Gleixner <tglx@linutronix.de>
	   Author.

       Ingo Molnar <mingo@elte.hu>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   IRQ_SET_AFFINITY_NOT(9)