Re: [PATCH] Fix NR_IRQS when no IO apic

Jeff Garzik (jgarzik@mandrakesoft.com)
Sun, 27 Jan 2002 19:42:06 -0500

Brian Gerst wrote:
>
> NR_IRQS should be 16 when the IO apic is not configured, as the 8259 PIC
> cannot generate any more interrupts. It also fixes a bug where the IDT
> gets populated with random addresses, since only 16 entry stubs are
> created.

> +#ifdef CONFIG_X86_IO_APIC
> #define NR_IRQS 224
> +#else
> +#define NR_IRQS 16
> +#endif

What about when ioapic is configured but not present?

Jeff

-- 
Jeff Garzik      | "I went through my candy like hot oatmeal
Building 1024    |  through an internally-buttered weasel."
MandrakeSoft     |             - goats.com
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