Re: [PATCH] Skip looking for ioapic overrides when ioapics are notpresent

[H. Peter Anvin]

On 06/05/2010 08:56 PM, Eric W. Biederman wrote:
> 
> diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
> index 33f3563..226a6d1 100644
> --- a/arch/x86/kernel/apic/io_apic.c
> +++ b/arch/x86/kernel/apic/io_apic.c
> @@ -4066,6 +4066,9 @@ int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
>  {
>  	int ioapic, pin, idx;
>  
> +	if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
> +		return -1;
> +
>  	if (skip_ioapic_setup)
>  		return -1;
>  

I was just poked about this patch... it doesn't build "make allnoconfig"
on x86-64.

This is also a bugzilla ticket now:
https://bugzilla.kernel.org/show_bug.cgi?id=17772

	-hpa
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