> if the smp_function area is busy, then smp_call_function() executes the
> following code:
>
> > if (retry) {
> > while (1) {
> > if (smp_call_function_data) {
> > schedule (); /* Give a mate a go */
> ^^^^^^^^^
yeah, i've been wondering about that one as well. Basically you have to be
careful to either call it without the retry option, or make sure to not
call it with spinlocks held. I'll fix this in my APIC patches to yield
instead of pure schedule().
-- mingo
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