linux-kernel - Re: [RFC][Patch] Allow not mounting a root fs

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Message-ID: <Pine.LNX.4.58.0707061551240.2241@be1.lrz>
Date:	Fri, 6 Jul 2007 17:00:40 +0200 (CEST)
From:	Bodo Eggert <7eggert@....de>
To:	"H. Peter Anvin" <hpa@...or.com>
cc:	Bodo Eggert <7eggert@....de>, linux-kernel@...r.kernel.org
Subject: Re: [RFC][Patch] Allow not mounting a root fs

On Thu, 5 Jul 2007, H. Peter Anvin wrote:

> Bodo Eggert wrote:
> > This patch adds the option to not mount another root filesystem 
> > by specifying root=initramfs.
> 
> Uhm, the kernel doesn't mount anything if you're using an initramfs.

Yes, instead it panics trying to mount the non-existing "root=".
I've put the complete system into initrams, and I just want the kernel to
run /sbin/init.

> > BTW: Is it possible to mount a tmpfs on / before extracting the cpio?
> 
> Not in the stock kernel.  There have been some patches floating around
> for that, I think.

Are they messy, or would it just be a case of calling sys_mount before 
unpacking the cpio?
-- 
The complexity of a weapon is inversely proportional to the IQ of the
weapon's operator.
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