Jan Engelhardt <[email protected]> writes:
> >If we are going to BUG() not panic() here then we should cover the case
> >of the BUG being compiled out
>
> Bug can be compiled out? Ah well I much rather like this patch because of
> the previous busy-looping, heating CPUs unnecessarily. (There was a thread,
> about that, too.)
cpu_relax() is on most CPUs as busy as a ";". This often annoys me
too (in particular in panic) when the CPU fans spin up and machines
become noisy. Maybe we need a portable halt() macro.
-Andi
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