Message-ID: <496CE36B.1030604@zytor.com>
Date: Tue, 13 Jan 2009 10:54:35 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Cyrill Gorcunov <gorcunov@gmail.com>
CC: Harvey Harrison <harvey.harrison@gmail.com>, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>, Sam Ravnborg <sam@ravnborg.org>,
       LKML <linux-kernel@vger.kernel.org>,
       Jaswinder Singh Rajput <jaswinderlinux@gmail.com>
Subject: Re: [PATCH -tip] x86: headers - fix export private data to	userspace
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Cyrill Gorcunov wrote:
> 
> I was concerning more about lilo side, is it use this param.
> So here is a link
> 
> 	http://lists.linuxcoding.com/kernel/2006-q3/msg18665.html
> 
> is seems LILO has it's own definition for COMMAND_LINE_SIZE.
> On the other hand it touches boot protocol. Peter should know
> if it safe to hide/change COMMAND_LINE_SIZE. Peter?
> 

Current x86 kernels export the command line size through the bzImage
header, and as such COMMAND_LINE_SIZE should not be used by userspace.

I can't speak for other architectures.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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