Messages in this thread | | | Date | Sat, 10 Jan 2009 23:47:55 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/4] irq: allocate irq_desc_ptrs array based on nr_irqs |
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* Mike Travis <travis@sgi.com> wrote:
> +++ linux-2.6-for-ingo/kernel/irq/internals.h > @@ -16,7 +16,11 @@ extern int __irq_set_trigger(struct irq_ > extern struct lock_class_key irq_desc_lock_class; > extern void init_kstat_irqs(struct irq_desc *desc, int cpu, int nr); > extern spinlock_t sparse_irq_lock; > +#ifdef CONFIG_SPARSE_IRQ > +extern struct irq_desc **irq_desc_ptrs; > +#else > extern struct irq_desc *irq_desc_ptrs[NR_IRQS]; > +#endif
why the #ifdef? irq_desc_ptrs is only defined and used by sparseirq.
Ingo
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