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xen-devel
Re: [Xen-devel] [PATCH] new nomigrate config option
At 08:54 +0100 on 20 Oct (1256028889), Keir Fraser wrote:
> On 20/10/2009 08:43, "Tim Deegan" <Tim.Deegan@xxxxxxxxxx> wrote:
>
> > At 23:11 +0100 on 19 Oct (1255993888), Dan Magenheimer wrote:
> >> The option persists into a save file
> >> and is also communicated into the hypervisor, the latter
> >> for the purposes of a to-be-added hypercall for communicating
> >> to guests that migration is disallowed
> >
> > Can you please use Xenstore for that? There's no reason for the
> > hypervisor to be involved, since all the enforcememnt is in the tools.
>
> I suspect Dan wants to interrogate this flag from unprivileged domU
> userspace, with no domU kernel modifications.
In that case all that's needed is a user-space xenbus client. :)
Tim.
--
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]
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