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From: Borislav Petkov <borislav.petkov@amd.com>
To: Jaswinder Singh Rajput <jaswinder@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
	x86 maintainers <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -tip] x86: cpu/proc.c adding extended_cpuid_level for /proc/cpuinfo
Date: Tue, 12 May 2009 16:10:27 +0200	[thread overview]
Message-ID: <20090512141027.GA19143@aftab> (raw)
In-Reply-To: <1242136177.14832.0.camel@ht.satnam>

On Tue, May 12, 2009 at 07:19:37PM +0530, Jaswinder Singh Rajput wrote:
> 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 ?

It is already visible in userspace. I think you've got an answer to a
very similar question already:

http://marc.info/?l=linux-kernel&m=124206571628464

-- 
Regards/Gruss,
Boris.

Operating | Advanced Micro Devices GmbH
  System  | Karl-Hammerschmidt-Str. 34, 85609 Dornach b. München, Germany
 Research | Geschäftsführer: Thomas M. McCoy, Giuliano Meroni
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  (OSRC)  | Registergericht München, HRB Nr. 43632


  reply	other threads:[~2009-05-12 14:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-12  7:14 [PATCH -tip] x86: cpu/proc.c adding extended_cpuid_level for /proc/cpuinfo Jaswinder Singh Rajput
2009-05-12 13:39 ` Borislav Petkov
2009-05-12 13:49   ` Jaswinder Singh Rajput
2009-05-12 14:10     ` Borislav Petkov [this message]
2009-05-12 16:40       ` H. Peter Anvin
2009-05-12 18:13         ` Borislav Petkov
2009-05-12 18:47           ` H. Peter Anvin
2009-05-12 19:49             ` Borislav Petkov
2009-06-05 19:20         ` Jaswinder Singh Rajput
2009-05-13  6:21 ` Andrew Morton
2009-05-13  8:03   ` Andi Kleen
2009-06-05 18:38   ` Jaswinder Singh Rajput
2009-06-05 20:55     ` H. Peter Anvin
2009-06-06  4:23       ` Jaswinder Singh Rajput
2009-06-10 16:40         ` Jaswinder Singh Rajput
2009-06-10 17:14           ` H. Peter Anvin
2009-06-10 17:42             ` Borislav Petkov
2009-06-10 17:48               ` H. Peter Anvin

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