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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [Q] pivot_root and initrd
Date: 16 Oct 2001 20:30:47 -0700
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Copyright: Copyright 2001 H. Peter Anvin - All Rights Reserved
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Followup to:  <3BCCEA19.8080809@usa.net>
By author:    Eric <ebrower@usa.net>
In newsgroup: linux.dev.kernel
>
> I've been doing some work to boot a 2.4.x linux system from onboard 
> flash and then change_root to an attached disk.
> 
> As the kernel documentation admonishes us to use pivot_root instead of 
> relying on the change_root facility (Documentation/initrd.txt: "Current 
> kernels still support it, but you should _not_ rely on its continued 
> availability") I have given it a shot with less than stellar results-- 
> perhaps someone (Warner?) could enlighten me on a few points:
> 
> 1) What is the current status of pivot_root from an initrd?  Is anyone 
> using it for this purpose, and is it being deprecated by the "union 
> mounts" mentioned in the bootinglinux-current document by Warner?
> 

Works great.  I use it in my SuperRescue CD for example; you can there
check out a complete, working example.

  ftp://ftp.kernel.org/pub/dist/superresuce/

	-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>
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