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Re: [Xen-devel] Porting of Guest OS

On Fri, 31 Dec 2004, David Hopwood wrote:

> It should be possible to make it work by using the hypervisor interface
> equivalents of rdmsr/wrmsr. See section 9.11 of the IA32 architecture
> manual Volume 3.

interesting. Part of the microcode upgrade process is pointing the CPU at 
a chunk of memory that it ingests as the new microcode. I found the whole 
business a bit dicey to think about from ring 1, but I guess it ought to 
be fine.


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