Re: [PATCH] x86/rapl: Do not load in a guest
From: Borislav Petkov
Date: Fri Dec 04 2015 - 13:04:38 EST
On Fri, Dec 04, 2015 at 09:46:42AM -0800, Jacob Pan wrote:
> Since RAPL is not architectural, consistency of hw support needs lots
> of improvement at the least.
It should have received a CPUID bit, no matter if it is architectural or
not.
> This error message is valid in other than VM. Domain detection error
> already propagated.
Huh, didn't I say that?
> 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.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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