Messages in this thread | | | Date | Sat, 9 Aug 2008 14:21:45 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH 08/42] introduce nr_irqs |
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On Sat, Aug 9, 2008 at 9:02 AM, Eric W. Biederman <ebiederm@xmission.com> wrote: > "Yinghai Lu" <yhlu.kernel@gmail.com> writes: > >>> Also, what's the point, if it's just a renaming? >> >> that is the start point. >> nr_irqs is variable, and will be probed later. and use that number to >> init dyn_alloc. > > YH. > > In my conception the code in kernel/irq.c that today does: > > struct irq_desc *desc; > if (irq >= NR_IRQS) > return -EINVAL; > desc = irq_desc + irq; > > Should become: > > struct irq_desc *desc; > desc = irq_desc(irq); > if (!desc) > return -EINVAL; >
OK.
also want to introduce dummy struct irq_desc { unsigned int irq; };
in linux/interrupt.h if GENERIC_HARDIRQS is not defined. so could have same interface irq_desc() and for_each_irq_desc(irq, desc)
YH
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