linux-kernel - Re: [PATCH] Display Intel Dynamic Acceleration feature in /proc/cpuinfo

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Message-ID: <20070524220823.GA8362@linux-os.sc.intel.com>
Date:	Thu, 24 May 2007 15:08:23 -0700
From:	Venki Pallipadi <venkatesh.pallipadi@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Venki Pallipadi <venkatesh.pallipadi@...el.com>,
	Dave Jones <davej@...hat.com>, Len Brown <len.brown@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] Display Intel Dynamic Acceleration feature in /proc/cpuinfo

On Thu, May 24, 2007 at 03:02:23PM -0700, Andrew Morton wrote:
> On Wed, 23 May 2007 15:46:37 -0700
> Venki Pallipadi <venkatesh.pallipadi@...el.com> wrote:
> 
> > Display Intel Dynamic Acceleration feature in /proc/cpuinfo. This feature
> > will be enabled automatically by current acpi-cpufreq driver and cpufreq.
> > 
> > Refer to Intel Software Developer's Manual for more details about the feature.
> > 
> > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
> > 
> > Index: linux-2.6.22-rc-mm/arch/i386/kernel/cpu/proc.c
> > ===================================================================
> > --- linux-2.6.22-rc-mm.orig/arch/i386/kernel/cpu/proc.c
> > +++ linux-2.6.22-rc-mm/arch/i386/kernel/cpu/proc.c
> > @@ -41,7 +41,7 @@ static int show_cpuinfo(struct seq_file 
> >  		"cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr",
> >  		NULL, NULL, NULL, NULL,
> >  		"constant_tsc", "up", NULL, NULL, NULL, NULL, NULL, NULL,
> > -		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> > +		"ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> >  		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> >  
> >  		/* Intel-defined (#2) */
> > Index: linux-2.6.22-rc-mm/arch/x86_64/kernel/setup.c
> > ===================================================================
> > --- linux-2.6.22-rc-mm.orig/arch/x86_64/kernel/setup.c
> > +++ linux-2.6.22-rc-mm/arch/x86_64/kernel/setup.c
> > @@ -949,7 +949,7 @@ static int show_cpuinfo(struct seq_file 
> >  		/* Other (Linux-defined) */
> >  		"cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL,
> >  		"constant_tsc", NULL, NULL,
> > -		"up", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> > +		"up", NULL, NULL, NULL, "ida", NULL, NULL, NULL,
> >  		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> >  		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
> 
> Ho hum.  This clashes with hpa's git-newsetup tree, which goes for a great
> tromp through the cpuinfo implementation.
> 

Hmm.. Will move feature detection to setup routines and will also
refresh the patch against latest mm and resend it

Thanks,
Venki
 
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