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Re: [Xen-devel] [PATCH 02/11] xen/arm: vpl011: Add new hvm params in Xen for ring buffer/event setup



>>> On 08.03.17 at 15:45, <julien.grall@xxxxxxx> wrote:
> I was looking at the backend code and see it is using DOMCTL command. I 
> guess it is considered that the console backend will be tied to a 
> specific Xen version. Am I correct?

I don't think I'm qualified to talk about the console backend
implementation (and possible quirks it has). Generally I'd expect
backends not to use domctl-s, as that would tie them to the tool
stack domain.

> so maybe we can introduce new domctl command for handling vUART. This 
> would avoid us to commit on an ABI and allow us to extend it if 
> necessary in the future to support multiple UARTs.

Well, without having the context of who it would be to use such a
domctl (and for what purpose) I don#t think I can comment here.

Jan


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