[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] VMM detection



It would be impossible to hide virtualisation from a PV guest kernel of
course, and very hard to hide it from a PV guest application also.

 -- Keir

On 04/03/2009 06:51, "Wu Bingzheng" <wubingzheng@xxxxxxx> wrote:

> using SGDT to get GDT's address.
> 
> If its address is 0xCxxxxxxx, then it's on physical hardware (the OS is Linux)
> If the address is 0xFxxxxxxx (0xFE820000), then it's on Xen.
> 
> I test it, and it works.
> 
> Can Xen do something to prevent this?



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.