Re: paravirtual drivers?

[Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>]

Arjan van de Ven wrote:
>>> the pv block driver is in Ingo's -rt tree if you want to look at it.
>>>       
>> Glad to know you made it to his tree :)
>> When do you think it can be integrated to mainline kvm?
>>     
>
> the biggest gap left is how to associate the virtual file with the host.
>   

Why not drive the backend from userspace?  Are you using a ring queue to 
transmit bio's from the guest to the host?  What are you using for 
discovery (I assume PCI)?

Could you post a copy of your driver on the list?  I think it would be 
good to discuss.

Regards,

Anthony Liguori

> Once I've figured that it's ready to go imo.
> (doesn't mean it can't be improved further, esp on the performance side
> of the backend things can be improved, but the interfaces and client
> side should be basically finished)
>   


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