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Re: [Xen-devel] determining if kernel is dom0 kernel or not.

To: Keir Fraser <keir@xxxxxxxxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Date: Wed, 11 Jul 2007 21:38:30 +0100
Cc: xendevel <xen-devel@xxxxxxxxxxxxxxxxxxx>, jd <jdsw2002@xxxxxxxxx>
Delivery-date: Wed, 11 Jul 2007 13:36:19 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Wed, 2007-07-11 at 20:18 +0100, Keir Fraser wrote:
> If you want to detect dom0 specifically then that's trickier --
> /proc/xen/privcmd for example exists even in a domU, if the kernel is
> dom0-capable. You'd have to be root and then try a privileged hypercall. :-)

Doesn't /proc/xen/capabilities contain something different on dom0 vs.
domU?



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