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Re: [Xen-devel] [PATCH 3 of 7] xen: allows more hypercalls from stubdoms

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 3 of 7] xen: allows more hypercalls from stubdoms
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Mon, 12 Oct 2009 19:56:18 +0100
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On 12/10/2009 18:20, "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
wrote:

> +        case XEN_DOMCTL_ioport_mapping:
> +        case XEN_DOMCTL_memory_mapping:
> +        case XEN_DOMCTL_bind_pt_irq:
> +        case XEN_DOMCTL_unbind_pt_irq:
> +        case XEN_DOMCTL_assign_device:
> +        case XEN_DOMCTL_deassign_device:

This kind of thing, for example, while we're talking about least
privilege... I think it's wrong-headed in the first place for this kind of
control-plane activity to be going on in qemu. Surely it belongs in the
toolstack? Yes, I know it's a pain in the bum that this means modifying
multiple toolstacks! :-)

 -- Keir



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