From owner-freebsd-arch  Wed Jun 20  3: 3: 2 2001
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Date: Wed, 20 Jun 2001 20:01:04 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
X-Sender: bde@besplex.bde.org
To: John Baldwin <jhb@FreeBSD.ORG>
Cc: Terry Lambert <tlambert2@mindspring.com>, arch@FreeBSD.ORG,
	Peter Pentchev <roam@orbitel.bg>, Nate Williams <nate@yogotech.com>
Subject: Re: new kldpath(8): display/modify the module search path
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On Tue, 19 Jun 2001, John Baldwin wrote:

> On 20-Jun-01 Terry Lambert wrote:
> > What is the interaction with /etc/modules.old, when you are
> > booting a /kernel.old?
> 
> In -current (which is where kldconfig(8) is going, btw) all modules live with
> their correspnding kernel in the same directory under /boot.  Thus modules and
> kernel are in sync for kernel.old, kernel, and
> kernel.fix_it_after_joe_random_committer_broke_it.

This means that the existence of a module search path is just a bug.
The kernel shouldn't use a search path or add a path prefix for
kldload(2) any more than it should for execve(2), but adding a path
prefix is necessary for modules loaded directly by the kernel.  I used
to think that a search path (with one element) was necessary for
locating the modules, but now the modules are together with the kernel,
the one-element search path can be derived from kernelname[].

Bruce


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