Heads up: you'll need to do a fresh "config KERNEL" etc

[Lowell Gilbert]

Rick Macklem <rmacklem at uoguelph.ca> writes:

>> On Sat, May 14, 2011 at 08:05:41PM -0400, Rick Macklem wrote:
>> > Just a heads up that after a commit going into stable/8 in a few
>> > minutes, you'll need to do a fresh kernel build, starting at
>> > "config GENERIC", including rebuilding the NFS related modules.
>> 
>> Rick,
>> 
>> Can you explain why a kernel reconfig would be required if the
>> kernel configuration (e.g. GENERIC) hasn't been changed?
>> 
>> http://www.freshbsd.org/?branch=RELENG_8&project=freebsd
>> 
>> Possibly the commit site doesn't have the most recent commits?
>> 
>> I guess what I'm asking is: why is a kernel reconfig required if only
>> the NFS code itself changed? A buildworld/buildkernel should be
>> sufficient, no?
>> 
> The commit moved the files used for a diskless root NFS from sys/nfsclient
> to sys/nfs. As such, sys/conf/files has changed and, therefore, fresh
> kernel Makefiles need to be built. I thought that "config KERNEL" is what
> does that, but if buildkernel does, then "config KERNEL" isn't needed.

It does by default, but the heads-up is still appreciated.