Messages in this thread |  | | Date | Fri, 11 May 2001 19:38:33 +0100 | From | Russell King <> | Subject | Re: [PATCH] ip autoconfig with modules, kernel 2.4 |
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On Fri, May 11, 2001 at 11:13:00AM -0700, Brian J. Murrell wrote: > 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.
As long as you can get the root server IP and path from the DHCP client, then you mount it in a directory, and use pivot_root() to change to that directory.
See the "Changing the root device" of Documentation/initrd.txt for more information about this.
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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