init_alloc_desc_masks — allocate cpumasks for irq_desc
bool init_alloc_desc_masks (
)
desc
pointer to irq_desc struct
cpu
cpu which will be handling the cpumasks
boot
true if need bootmem
Allocates affinity and pending_mask cpumask if required. Returns true if successful (or not required).
affinity has all bits set, pending_mask has all bits clear.