[PATCH] Lazy interrupt disabling for 64-bit machines

[Benjamin Herrenschmidt]

> I like it. Got any benchmarks that show a difference?
> 
> At first glance I found it a bit hard to follow, since the old+new
> terminology is a bit complicated. There's softe, proc_enabled and
> hard_enabled. A s/proc_enabled/soft_enabled/g (and similar for
> asm-offsets) might make it a little more intuitive, since you're
> touching most uses of it already?

Now think about using -ffixed=crN ... reserve a CR field and use that
for per-cpu flags like that :)

Ben.