Re: [Xen-devel] [PATCH] Fix legacy irq allocation issue

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 19/06/2009 09:13, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:

>> If this is really needed, then why not simply exchange the following
>> uses of IO_APIC_VECTOR() to irq_to_vector(), which already properly
>> considers legacy vectors?
> 
> Aha, yes. I should use that.

A patch to apply on top of the old patch then, please.

 K.

> This is needed if dom0 try to assign a vector to legacy irq. I find this when
> help debugging one system. I don't have the broken system, so I have no idea
> why dom0 will try to assign vector to legacy irq. But from API point of view,
> I think this check is needed.



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