Re: [PATCH] hypervisor: new tool for hypervisor detection

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On Mon, Oct 20, 2008 at 08:22:52AM -0600, Ky Srinivasan wrote:
> Today VmWare does not support cpuid based detection  (they will do
> it soon but there is a lot of installations out there that need to
> be supported). We could look at the output of lspci to detect VmWare
> devices for this detection.

 I guess the problem is also Xen on ia64 where is not 0x40000000
 CPUID, my plan is to check /proc/bus/pci/devices for 5853:0001
 device.

 Do you have more details about VmWare? I have found only:
 http://lkml.org/lkml/2008/9/7/139


> >   2/ show "Hypervisor vendor ID: Xen" (because in pedantic point of
> >      view Xen is controlling the machine (including dom0)). And add a
> >      new field:
> > 
> >         Virtualization type:  para|full|none
> > 
> >     for exmaple (dom0):
> > 
> >         Hypervisor vendor ID:  Xen
> >         Virtualization type:   none
> 
> This was my original idea. Dom0 is always para-virtualized on Xen. 

 OK.

> >  I think "Virtualization type:  para|full|none" is better than
> >  "Paravirtualization: Yes|No".
> 
> Agreed.

 OK.

 I'll send a new version of the patch tomorrow. Thanks for feedback.

    Karel

-- 
 Karel Zak  <kzak@xxxxxxxxxx>
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