irq_cpu_rmap_add

Name:q_cpu_rmap_add - add an IRQ to a CPU affinity reverse-map*@rmap: The reverse-map*@irq: The IRQ number* This adds an IRQ affinity notifier that will update the reverse-map* automatically.* Must be called in process context, after the IRQ is allocated but

Proto:int irq_cpu_rmap_add(struct cpu_rmap *rmap, int irq)

Type:int

Parameter:

Type	Parameter	Name
struct cpu_rmap *	rmap
int	irq

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glue = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).

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If Not glue Then Return -ENOMEM

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notify = q_cpu_rmap_notify - callback for IRQ subsystem when IRQ affinity updated*@notify: struct irq_affinity_notify passed by irq/manage.c*@mask: cpu mask for new SMP affinity* This is executed in workqueue context.

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release = q_cpu_rmap_release - reclaiming callback for IRQ subsystem*@ref: kref to struct irq_affinity_notify passed by irq/manage.c

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pu_rmap_get - internal helper to get new ref on a cpu_rmap*@rmap: reverse-map allocated with alloc_cpu_rmap()

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index = pu_rmap_add - add object to a rmap*@rmap: CPU rmap allocated with alloc_cpu_rmap()*@obj: Object to add to rmap* Return index of object.

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rc = irq_set_affinity_notifier(irq, & notify)

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If rc Then

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pu_rmap_put - release ref on a cpu_rmap*@rmap: reverse-map allocated with alloc_cpu_rmap()

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Return rc

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