RE: [Xen-devel] [VTD][PATCH] Support intra-domain shared interrupt

["Han, Weidong" <weidong.han@xxxxxxxxx>]

Keir, how about this intra-domain shared interrupt patch? Attached patch
fixes memory leak issue and updates timeout function. Thanks.

-- Weidong 

Keir Fraser wrote:
> On 5/11/07 08:52, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote:
> 
>> that situation two devices with different pyhsical IRQs getting
>> aliased to the same guest GSI is hard to occur. And we need one
>> guest GSI mapped to only one physical IRQ, or we can't know which
>> device issues the guest GSI. Ideally, if we can make 1:1 mapping
>> between guest GSI and physcial IRQ, the intra-domain shared
>> interrupt can naturally handled by guest. 
> 
> Ah, that's true. I suppose you can assign virtual devfn locations for
> devices to purposely avoid aliasing in GSI space. What do you do about
> aliasing into the ISA IRQ space?
> 
>  -- Keir

Attachment: share-2.patch
Description: share-2.patch

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