Re: [kvm-devel] [PATCH] kvm guest balloon driver

[Avi K. <av...@qu...>]

Marcelo Tosatti wrote:

 

>> Why is it taking over the irq?  This is very, very wrong.  A virtio 
>> device cannot be dependent on being used on top of the virtio-pci backend.
>>     
>
> A notification is necessary whenever the host changes the target value
> in the config space. So right now this notification is sharing the
> same IRQ as the main PCI device.
>
> Do you have any suggestion on how to retrieve the IRQ of the virtio
> device, or some other notification mechanism?
>   

One way would be to send a "look at config" queue message, but it seems 
that it is a fairly generic operation.  Maybe virtio can add support for 
it, with a new callback.

-- 
error compiling committee.c: too many arguments to function