Re: [Xen-devel] Re: Fine-grained proxy resource charging

[Lucy Cherkasova <lucy@xxxxxxxxxxxxxxxx>]

> > Yes, I would join in asking the same question: how to get a working
> > configuration for multiple driver domains each hosting a single device
> > driver?
> 
> You can only really have one domain running the actual driver.  The best 
> strategy would therefore be to keep as much IO processing as possible in 
> other domains (preferably in the guests themselves).
> 
> With user-accessible hardware (e.g. Infiniband), unprivileged guests will be 
> able to access their hardware directly using their own CPU time (and get 
> better performance in the process).  Of course Infiniband is rather expensive 
> so this won't be the most common way of doing stuff for some time (if at 
> all).
> 

Thank you, Mark.

May I rephrase the question? :
Let you have a few devices D1, D2, and D3.
Currently, in our testbed, they are all supported by Dom0 that hosts drivers 
for D1, D2, and D3.
My question is how to get a working configuration with 3 IDDs: 
IDD1 - for D1, IDD2 - for D2, IDD3 - for D3.
Any pointers are highly appreciated.

Thanks, Lucy

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