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Re: [Xen-devel] [PATCH] fix iommu interrupt setup

To: Kouya Shimura <kouya@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] fix iommu interrupt setup
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 12 Feb 2009 08:42:52 +0000
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Thread-topic: [Xen-devel] [PATCH] fix iommu interrupt setup
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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@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>



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