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

To:	Keir Fraser <keir@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] determining if kernel is dom0 kernel or not.
From:	jd <jdsw2002@xxxxxxxxx>
Date:	Wed, 11 Jul 2007 15:04:17 -0700 (PDT)
Cc:	xendevel <xen-devel@xxxxxxxxxxxxxxxxxxx>, jd <jdsw2002@xxxxxxxxx>
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Cool. This is what I was looking for. 

Optional : 
Any history behind it containing 'control_d' ? 
Control Dom ?

Thanks
/Jd
--- Keir Fraser <keir@xxxxxxxxxxxxx> wrote:

> On 11/7/07 21:38, "Ian Campbell"
> <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> 
> > 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?
> 
> Oh yes, of course. It contains 'control_d' if you
> are dom0.
> 
>  -- Keir
> 
> 
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> 



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