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SubjectRe: [PATCH 5/5] x86: update nr_irqs according cpu num
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On Fri, Jan 8, 2010 at 12:20 PM, Eric W. Biederman
<ebiederm@xmission.com> wrote:
> Based on my quick look the bad offenders (aka static sized arrays of
> NR_IRQS) all look at NR_IRQS not nr_irqs.  So I don't see a point
> in having nr_irqs < NR_IRQS.
>
> So let's just kill arch_probe_nr_irqs() on x86.
>
> Then we can worry about things like fixing xen and the interrupt
> remapping code to not having NR_IRQS sized arrays.

arch/sh/kernel/irq.c:int __init arch_probe_nr_irqs(void)
arch/x86/kernel/apic/io_apic.c:int __init arch_probe_nr_irqs(void)
arch/x86/kernel/apic/io_apic.c: * if we move calling of
arch_probe_nr_irqs() after init_IRQ()
include/linux/interrupt.h:extern int arch_probe_nr_irqs(void);
kernel/irq/handle.c: arch_probe_nr_irqs();
kernel/softirq.c:int __init __weak arch_probe_nr_irqs(void)

sh have sparse_irq now...it has it's own copy for arch_probe_nr_irqs...

YH
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