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SubjectRe: [PATCH] x86/rapl: Do not load in a guest
On Fri, 4 Dec 2015 19:04:26 +0100
Borislav Petkov <bp@alien8.de> wrote:

> > This is good for the first level RAPL detection. The only way is to
> > base detection on known CPU models.
>
> ...and yet Hannes sees it on a minnowboard. CCed.
>
> The CPU model-based detection is ugly and does not always work, as
> you see.
CPU model detection is the first level checking. The error is about no
valid domains (e.g. counters not working). So the error on minnowboard
board could be a real problem if you expect to use RAPL.

Jacob


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