linux-kernel - Re: [PATCH 1/2] x86, cpuid: Unbreak CPB CPUID feature

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Message-ID: <20100920152025.GA4999@aftab>
Date:	Mon, 20 Sep 2010 17:20:25 +0200
From:	Borislav Petkov <bp@...64.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH 1/2] x86, cpuid: Unbreak CPB CPUID feature

From: "H. Peter Anvin" <hpa@...or.com>
Date: Mon, Sep 20, 2010 at 11:10:49AM -0400

> On 09/20/2010 07:05 AM, Borislav Petkov wrote:
> > 5958f1d5d722df7a9e5d129676614a8e5219bacd added mistakenly the CPB bit to
> > the common scattered CPUID features. Move it to AMD-only code where it
> > belongs.
> 
> I already asked for more information about this.

?? When? I prepped this one a couple of hours ago... Am I missing something?

> This patch, without a further description, makes absolutely no sense,
> and is furthermore implemented poorly -- I really don't want more ad
> hoc code if it can be avoided.

Well, I use the feature bit in powernow-k8.c. We don't need to advertize
it in /proc/cpuinfo per se if that's what you prefer?

-- 
Regards/Gruss,
Boris.

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