From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: User/kernelspace stuff to set/get kernel variables
Date: 13 Dec 2001 12:34:49 -0800 [thread overview]
Message-ID: <9vb3d9$9jk$1@cesium.transmeta.com> (raw)
In-Reply-To: <20011213155532Z284289-18284+114@vger.kernel.org>
Followup to: <20011213155532Z284289-18284+114@vger.kernel.org>
By author: DevilKin <devilkin@gmx.net>
In newsgroup: linux.dev.kernel
>
> Hello
>
> I've been looking on the web, and couldn't really find what i would want...
>
> Basically: is it possible to - one way or another - set variables at
> kernel boot and read those using userspace utilities?
>
The entire kernel command line is quoted verbatim in /proc/cmdline.
Additionally, items of the form foo=bar that are not recognized by the
kernel become environment variables to init, and items not of that
form *sometimes* become command-line options to init...
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
prev parent reply other threads:[~2001-12-13 20:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-13 15:54 User/kernelspace stuff to set/get kernel variables DevilKin
2001-12-13 16:03 ` Daniel Freedman
2001-12-13 16:07 ` Richard B. Johnson
2001-12-13 16:11 ` Yann E. MORIN
2001-12-13 16:20 ` Jan Janak
2001-12-13 16:58 ` Russell King
2001-12-13 19:48 ` Jan Janak
2001-12-13 20:34 ` H. Peter Anvin [this message]
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