begin quoting Tracy R Reed as of Sun, Jul 10, 2005 at 12:39:37AM +0700: [snip] > It's not a matter of Xen not supporting Windows. Nothing needs to be > changed in Xen to make Windows work. It is either Windows not supporting > Xen or Intel hardware not supporting full virtualization which would > allow operating systems to be virtualized without any modification to > the OS.
"Full virtualization" shouldn't require modifications to the OS. Of course, that depends on hardware support, so I think it's a CPU issue. > But the next generation of Intel and AMD will correct a > deficiency in the cpu design so full virtualization will be possible. At Only twenty years late. > that point I don't know how Windows could possibly know it is being > virtualized. Timing loops? Kick off a virtualization process of its own and compare performance? Rely on bugs / errors / oversights in the x86 hardware support for virtualization ? -Stewart "How do I know if I'm in a simulation?" Stremler
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