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[Xen-devel] Re: [PATCH] libxl: enabling upstream qemu as pure pv backend

To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] libxl: enabling upstream qemu as pure pv backend.
From: Wei Liu <liuw@xxxxxxxxx>
Date: Thu, 09 Jun 2011 18:47:18 +0800
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>
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On Thu, 2011-06-09 at 11:15 +0100, Ian Campbell wrote:
> Well, the configuration of the DM you are creating has everything to do
> with the configuration of the domains it serves.

Ah, what I mean is that in current design, everything needed to create a
DM is stored in dm_info, so we don't have to tangle with domain_config.

I would rather leave those interfaces unchanged by now.

> The DM in a stubdom still has another qmeu process in dom0. I guess
> logically you can think of them as two parts of the same DM, which I
> guess is what you are doing?

Yes, I understand. That's why I'm talking about one DM, not two.

> It looks as if libxl__write_dmargs derives the stubdom parameters from
> the dom0 process parameters (by filtering out uninteresting options) and
> writes them to xenstore.

Hmm... That's it.

The xenpv qemu and xenfv qemu in stubdom are sharing the same
configuration variable.


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