I saw a patch went into the 2.5.7-pre series that was supposed control the
compilation of the preempt code, maybe its not quite right yet.
Building in my dual Alpha with SMP enabled fails with this:
sched.c: In function `init_idle':
sched.c:1456: structure has no member named `preempt_count'
-Chris
--
Two penguins were walking on an iceberg. The first penguin said to the
second, "you look like you are wearing a tuxedo." The second penguin
said, "I might be..." --David Lynch, Twin Peaks