* Dean Nelson <dcn@sgi.com> wrote:

quoted text
> Replace the current use of used_vectors[] for the allocation of a 
> non-standard SYSCALL_VECTOR by also using the per_cpu variable 
> vector_irq[].

this:

quoted text
> Index: linux/arch/x86/kernel/traps_32.c
> ===================================================================
> --- linux.orig/arch/x86/kernel/traps_32.c	2008-09-10 14:25:23.000000000 -0500
> +++ linux/arch/x86/kernel/traps_32.c	2008-09-10 14:25:28.000000000 -0500

quoted text
> +	ret = __grab_irq_vector(NON_IRQ_DESC, SYSCALL_VECTOR,
> +				&cpu_possible_map);

break the build if IO_APIC is disabled. (see previous mail)

	Ingo
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