Re: [Xen-devel] How to detect if a machine is a Virtual machine ??

[Michal Novotny <minovotn@xxxxxxxxxx>]

Yeah, sorry about that. Hope you're not confused anymore ;)

Michal

On 12/23/2009 09:39 PM, Sachin Goel wrote:
> Thanks Michal for clarifying..
>
> For a moment I got confused :)
>
> - Sachin.
>
> ----- Original Message -----
> From: minovotn@xxxxxxxxxx
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Sent: Thursday, December 24, 2009 1:20:34 AM GMT +05:30 Chennai, Kolkata, 
> Mumbai, New Delhi
> Subject: Re: [Xen-devel] How to detect if a machine is a Virtual machine ??
>
> On 12/23/2009 10:34 AM, Michal Novotny wrote:
>    
> > On 12/23/2009 10:16 AM, John Haxby wrote:
> >      
> > > On 22/12/09 10:37, Michal Novotny wrote:
> > >        
> > > > Hi Sachin,
> > > > the tool is not in the virtual machine. This is the tool that's in
> > > > dom0. Since there is a source code for this one you could scp it to
> > > > the guest, compile and run inside the guest environment. There is no
> > > > need to provide a guest with this tool by default and in fact this
> > > > is really impossible so it's better to scp it to the guest and
> > > > compile there.
> > > >          
> > > It's also worth pointing out that the underlying test for xen in this
> > > program executes a particular instruction to find the information
> > > about its environment.   What that means is that it's possible to
> > > write a version of ./tools/misc/xen-detect.c that will work in any
> > > guest machine OS.
> > >        
> > But one more point, if you want to know whether XEN_PV is returned for
> > dom0 PV guest or domU (since it's the same for both) you can try to
> > look for /proc/xen/privcmd. This one is available only in dom0 because
> > privileged commands are for privileged domain (domain-0) only...
> >      
> Oh, sorry, I did mean for domU PV guest or dom0, of course...
>
> Michal
>
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