Re: [PATCH] irq: sparse irqs, fix #3

Yinghai Lu
2008-08-14T17:34:28Z

On Thu, Aug 14, 2008 at 7:07 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> From 1b53f0444df394e4448ba56694f0bc4dda2bece0 Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <mingo@elte.hu>
> Date: Thu, 14 Aug 2008 16:07:04 +0200
> Subject: [PATCH] irq: sparse irqs, fix #3
>
> fix non-APIC UP build:
>
> arch/x86/kernel/built-in.o: In function `setup_arch':
> : undefined reference to `pin_map_size'
> arch/x86/kernel/built-in.o: In function `setup_arch':
> : undefined reference to `first_free_entry'
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> arch/x86/kernel/setup.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
> index 24e984e..8318a35 100644
> --- a/arch/x86/kernel/setup.c
> +++ b/arch/x86/kernel/setup.c
> @@ -863,8 +863,10 @@ void __init setup_arch(char **cmdline_p)
> nr_irqs = 32 * nr_cpu_ids + 224;
> init_cpu_to_node();
> #endif
> +#ifdef CONFIG_X86_LOCAL_APIC
> pin_map_size = nr_irqs * 2;
> first_free_entry = nr_irqs;
> +#endif
>
> init_apic_mappings();
> ioapic_init_mappings();
>

we don't need pin_map_size and first_free_entry after 64 and 32 bit
all put irq_2_pin in irq_cfg.

need to remove them.

YH