linux-kernel - Re: [PATCH -tip] x86: cpu/proc.c adding extended_cpuid

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Date:	Tue, 12 May 2009 19:19:37 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Borislav Petkov <borislav.petkov@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] x86: cpu/proc.c adding extended_cpuid_level for
 /proc/cpuinfo

On Tue, 2009-05-12 at 15:39 +0200, Borislav Petkov wrote:
> Hi,
> 
> On Tue, May 12, 2009 at 12:44:42PM +0530, Jaswinder Singh Rajput wrote:
> > 
> > Here are 2 patches for adding new field extended_cpuid_level, please
> > choose PATCH whichever is more appropriate:
> > 
> > PATCH 1:
> > Subject: [PATCH] x86: cpu/proc.c adding extended_cpuid_level for /proc/cpuinfo
> > 
> > extended_cpuid_level also gives useful information like cpuid_level
> > and very useful for AMD processors.
> > 
> > Adding extended_cpuid_level in /proc/cpuinfo completes cpuid_level info.
> 
> and this is needed because... ?!
> 

why we need cpuid_level ?


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