linux-kernel - Re: [PATCH 4/6] cpufreq: Add APERF/MPERF support for AMD processors

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Message-ID: <20100401103659.GB5893@aftab>
Date:	Thu, 1 Apr 2010 12:36:59 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Marvin <marvin24@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] cpufreq: Add APERF/MPERF support for AMD processors

From: Marvin <marvin24@....de>
Date: Thu, Apr 01, 2010 at 11:01:04AM +0200

> > From: Mark Langsdorf <mark.langsdorf@....com>
> > 
> > Starting with model 10 of Family 0x10, AMD processors may have
> > support for APERF/MPERF.  Add support for identifying it and using
> > it within cpufreq.  Move the APERF/MPERF functions out of the
> > acpi-cpufreq code and into their own file so they can easily be
> > shared.
> 
> just out of interest: what are the realnames of these processors (>= Mangy-Core) ?

Well, you're going to have to wait and see. Or search the net :)

> > Signed-off-by: Mark Langsdorf <mark.langsdorf@....com>
> > Signed-off-by: Borislav Petkov <borislav.petkov@....com>
> > Reviewed-by: Thomas Renninger <trenn@...e.de>
> > ---
> >  arch/x86/kernel/cpu/cpufreq/Makefile       |    4 +-
> >  arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c |   44 +-----------------------
> >  arch/x86/kernel/cpu/cpufreq/mperf.c        |   50
> > ++++++++++++++++++++++++++++ arch/x86/kernel/cpu/cpufreq/mperf.h        | 
> >   9 +++++
> >  arch/x86/kernel/cpu/cpufreq/powernow-k8.c  |    8 ++++
> >  5 files changed, 71 insertions(+), 44 deletions(-)
> >  create mode 100644 arch/x86/kernel/cpu/cpufreq/mperf.c
> 
> this file has no copyright or module license, thus tainting my kernel...

This is not a standalone module but only an auxiliary. How does that
taint your kernel? dmesg, .config please.

-- 
Regards/Gruss,
Boris.

--
Advanced Micro Devices, Inc.
Operating Systems Research Center
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