From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [PATCH] fix iommu interrupt setup
Date: Thu, 12 Feb 2009 08:42:52 +0000
Message-ID: <C5B9918C.1A20%keir.fraser@eu.citrix.com>
References: <7k4oz09x7n.fsf@pingu.sky.yk.fujitsu.co.jp>
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To: Kouya Shimura <kouya@jp.fujitsu.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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Espen and Isaku have a patch now which should hopefully also fix this issue.
I'll be checking theirs in shortly.

 Thanks,
 Keir

On 12/02/2009 02:59, "Kouya Shimura" <kouya@jp.fujitsu.com> wrote:

> iommu is disabled since cset 19175:ab514cfbcdc5 with the following message:
> 
> (XEN) [VT-D]iommu.c:890:d32767 IOMMU: can't request irq
> (XEN) [VT-D]iommu.c:1686:d32767 IOMMU: interrupt setup failed
> (XEN) I/O virtualisation disabled
> 
> This patch fixes it.
> - rename request_irq to request_vector, no conversion by irq_to_vector(irq)
> - set vector_to_iommu[vector] before calling request_vector
>   since null pointer exceptions occurs
> - some cleanups
> 
> Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>