Re: IRQFD support with GICv3 ITS (WAS: RE: [PATCH 00/13] arm64: KVM: GICv3 ITS emulation)

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On 06/17/2015 01:46 PM, Pavel Fedin wrote:
>  Hello!
> 
>> Yes, I am about to get a v2 ready, but mostly with some fixes. If you
>> want to work on top of it, I can push a WIP branch to my repo.
> 
>  Thank you but no need to hurry up. I am busy with other things too. And, anyway, i work on top of my own branch here.
> 
>> As Marc mentioned before, this whole irqfd story does not go together
>> well with KVM and the ITS architecture, 
> 
>  It actually does with GSI routing (see http://www.spinics.net/lists/kvm/msg117475.html, approach 2).

Hi Pavel,

I also have an implementation of GSI routing on ARM, basically a rebase
of my old/first implementation of irqfd
(https://patches.linaro.org/32261/) based on irqchip gsi routing & qemu
part (https://lists.gnu.org/archive/html/qemu-devel/2014-07/msg01090.html).

I will repost today as a base of discussion for evolutions.

Best Regards

Eric
> 
>> so that needs some more
>> investigation (which I am planning to do in the next days).
> 
>  Ok.
> 
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
> 
> 

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