Migo-R (SH7722) vs. NUMA

Hi!

I've been working on upgrading the kernel for our Migo-R (SH7722) board
From ancient 2.6.30.6 to something more modern, 3.2.  But, based on
migor_defconfig, it wouldn't boot, and instead just hang after the boot
loader.  I bisected this to commit
19d8f84f86af867abee174be8bf1e4941a59143d (2010-05-10).  (To build this
tree, you need to cherry-pick 06225c08ec2ad0f0dec063df7f08773a8358db12
and apply the equivalent of c77b29db74a0ea4fdce0564a63b8876798625d64 to
arch/sh/kernel/setup.c.)

By chance I figured out that disabling NUMA support (which is enabled for
migor_defconfig) would make it work again for this tree, as well as later
versions, such as the 3.2 release.  I guess this should be fixed
properly?


Grüße,
 Thomas