linux-kernel - Re: [PATCH 10/19] x86, io_apic: Introduce function pointer for setup_timer_IRQ0

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Message-ID: <20120826181603.GC3690@breakpoint.cc>
Date:	Sun, 26 Aug 2012 20:16:03 +0200
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org, joro@...tes.org,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH 10/19] x86, io_apic: Introduce function pointer for
 setup_timer_IRQ0_pin

On Mon, Aug 20, 2012 at 03:55:56PM +0200, Joerg Roedel wrote:
> diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
> index 827f8a1..71824fc 100644
> --- a/drivers/iommu/irq_remapping.c
> +++ b/drivers/iommu/irq_remapping.c
> @@ -87,11 +87,18 @@ error:
>  	return ret;
>  }
>  
> +static void __init irq_remapping_setup_timer_pin(unsigned int ioapic_idx,
> +						 unsigned int pin, int vector)
> +{
> +	/* Not needed with interrupt remapping */

I see that this is not needed because it is empty. But *why* isn't it needed?
That comment would make sense here. So please drop this or explain :)

> +}
> +

Sebastian
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