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From: Al Boldi <a1426z@gawab.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.24] chroot= as a new kernel parameter
Date: Sat, 8 Mar 2008 17:10:24 +0300
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Christian Kujau wrote:
>   On Fri, 7 Mar 2008, devzero@web.de wrote:
> >> * H. Peter Anvin <hpa@zytor.com> wrote:
> >>>       init=/path/to/any/sbin/chroot /newroot /sbin/init
>
> Great, I was looking for something like this myself some time ago!
>
> > wouldn`t it be useful to add a hint to kernel-parameters.txt ?
>
> How about:
>
>         init=           [KNL]
> -                       Format: <full_path>
> +                       Format: <full_path> <options>
>                         Run specified binary instead of /sbin/init as init
> -                       process.
> +                       process. init= is able to take more than one option
> +                       allowing us to do:
> +                       init=/path/to/any/sbin/chroot /newroot /sbin/init
> +                       ...and thus booting into /newroot.

Nice try, but this only works on the surface.  Try remounting root to see what I mean.

Now, for a patch that actually does what we want, try this:

[PATCH][retry-2] init: Introduce rootdir bootparm to select which dir to sys_chroot


Thanks!

--
Al

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