RE: [Xen-devel] Uses of &frame_table[xfn]

["Cihula, Joseph" <joseph.cihula@xxxxxxxxx>]

On Wednesday, December 28, 2005 2:24 PM,  Muli Ben-Yehuda <> wrote:
> On Wed, Dec 28, 2005 at 02:16:21PM -0800, Magenheimer, Dan (HP Labs
> Fort Collins) wrote: 
> 
>> On a related note, what is the cleanest way from Linux to
>> determine if it is running as domain0 or not?
> 
> Various places check (xen_start_info->flags & SIF_INITDOMAIN).

You could also read your domid from xenstore or using libxenctrl.

But a better question, especially as we move forward with dom0
disagregation and privilege reduction, is what do you want to do based
on this information?

Joseph Cihula
(Linux) Software Security Architect
Open Source Technology Center
Intel Corp.

*** These opinions are not necessarily those of my employer ***

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