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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] VMM detection
On 06/03/2009 02:04, "Jun Koi" <junkoi2004@xxxxxxxxx> wrote: >> No, they behave 'natively' when running as an HVM guest. The guest cannot >> easily tell it is running on a VMM. >> > > It is not difficult if you look else where. For ex, HVM uses Bochs > BIOS, and that is a clear evidence. > > There are already a lot of papers proved that it is impossible to hide > the fact that your machine is virtual. You can search on Usenix > website, for example. I believe it will always be trivial as a kernel. As an application less so. Certainly the specific '17 unvirtualisable instructions' the OP asked about are handled undetectably by HVM. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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