On Mon, 24 Sep 2007, Florian Philipp wrote:
> Just a thought: Is it possible to compile a 64bit kernel and use him on
> the current system? That way you could set up your new native 64bit
> system in a chroot before overwriting the old one and thus minimize
> downtime to less than 15 minutes.
Building a 64bit kernel with 32bit userspace should be pretty
straightforward with crossdev (not meaningfully different from building an
ARM kernel on an x86 host). Building a 64bit userspace while running a
32bit userspace is a bit trickier. There's some support for building a new
system with ROOT=/target, but not everything would build like that the
last time I tried (building for ARM on x86).
-Daniel
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