Re: [git-pull -tip] x86: Addition of cpufeatures to friendly accessmiscellaneous MSRs

[H. Peter Anvin]

Robert Richter wrote:
> Anyway, I think this was already decided. So, maybe for debugging we
> should simply read the msrs with rdmsr_safe() and use the exception
> handler to check if the msr is implemented. This would avoid most of
> the otherwise unused cpufeature flags above.

For that use, it's probably the right thing to do.

(FWIW, I agree that dumping MSRs in userspace is the right thing to do. 
 This is being heavily discussed on the util-linux-ng list, as far as I 
can tell.)

	-hpa

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