On Thu, May 10, 2001 at 06:00:39PM +0100, Russell King wrote:
>
> Hmm, if you've got userspace up and running, and loaded kernel
> modules using insmod, then what's wrong about running a dhcp,
> bootp or rarp client from userspace?
In theory, and for just ip configuration, nothing.
I should have given more information though. My goal is actually to
NFSRoot the machine being booted. I could not determine a way to get
the "root path" attribute given by the dhcp/bootp server from
userspace back to the kernel so that it can
"change_root()/mount_root()" with it. I seem to recall there was a
proc interface for doing this at one time (in the 2.2 kernel) but it
seemed to have went away.
> You can then drop the
> kernel space IP autoconfiguration code.
If there were a way to tell the kernel, from userspace, for
change_root()/mount_root() where the nfsroot path was, yes. I have
been hunting through all of the (nfs) root mount code and I don't see
it. It looks like it can be set either on the command line, or by the
kernel implementation of bootp. Am I missing it somewhere?
b.
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