linux-kernel - Re: [PATCH 2.6.24] chroot= as a new kernel parameter

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Message-Id: <1204832781.6241.269.camel@lappy>
Date:	Thu, 06 Mar 2008 20:46:21 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Pavel Machek <pavel@....cz>
Cc:	Ingo Molnar <mingo@...e.hu>, Chris Wedgwood <cw@...f.org>,
	Pawel Plociennik <paplociennik@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.24] chroot= as a new kernel parameter


On Thu, 2008-03-06 at 12:53 +0100, Pavel Machek wrote:
> On Thu 2008-03-06 12:37:29, Ingo Molnar wrote:
> > 
> > * Chris Wedgwood <cw@...f.org> wrote:
> > 
> > > > But given an existing initrd (which might have come from the distro, 
> > > > etc.) i prefer adding boot options instead of modifying the initrd.
> > > 
> > > I assume this is so you have have /distro1 /distro2 and use your boot
> > > option to (help) select which one you boot into?
> > 
> > while i have no personal use for chroot=, i generally test distros that 
> > way, yes - and i try to keep them as unmodified as possible.
> > 
> > "Use the initrd as an extended boot commandline" is a poor answer IMO. 
> > 
> > _Everything_ we do on the boot commandline that affects user-space can 
> > be done in an initrd in theory - but still we have hundreds of boot 
> > options.
> 
> Yes, please. chroot= is useful, nonintrusive, and it just should be there.

As much as I hate initrd, and all features building dependencies on it,
I don't see the need for either initrd or kernel support for chroot= as
it can be trivially done using a slightly longer init=.

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