> >besides, making the IRQ-masked spinlocks interruptible might mean that
> >we're more likely to interrupt a deadlock via SysRq, right?
>
> Yes.
no. at least this point is moot now, the newest 2.3 SMP code runs the NMI
watchdog unconditionally, which works on all SMP boards tested so far
(knock on wood).
-- mingo
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