New CPUID/MSR driver; virtualization hooks
Jeremy Fitzhardinge
jeremy at xensource.com
Thu Apr 5 15:19:39 PDT 2007
H. Peter Anvin wrote:
> Yes, pretty much. There are enough evidence that you can't trust CPU
> architecture to stay sane. Inside Transmeta it was a constant battle,
> and we were a small company.
>
Is there any indication that the msr or cpuid instructions will change
in this way? rd/wrmsr is pretty explicitly documented as taking the msr
in %ecx, and the value in %edx:eax; do you think that will change? And
likewise cpuid?
J
More information about the Virtualization
mailing list