Re: [PATCH] rdmsr_on_cpu, wrmsr_on_cpu

From: H. Peter Anvin
Date: Thu Jan 18 2007 - 19:45:58 EST


Andi Kleen wrote:
On Friday 19 January 2007 10:40, H. Peter Anvin wrote:

It would, but rather than having the paravirtualization interfaces
duplicate out of control, we could/should implement the less generic
features in terms of the more generic, above the pvz layer.

I can't see any Hypervisors ever allowing those weird MSRs, so
for paravirtualization it is probably better to just disable then.


Don't assume they're going to be "weird." Intel, in particular, is notorious in forgetting what they have already documented as architectural.

-hpa
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