On Wed, 5 Jul 2006, H. Peter Anvin wrote:
>
> I don't remember what the failure mode was, though; didn't think it was
> recursive faulting.
I think we should probably remove the test. The failure mode was simply
that a machine with the "halt" idle loop simply didn't work, and would
lock up. The most likely reason for that is probably just a bad CPU power
VRM, and the potential high current fluctuations, not so much any CPU bug
itself.
Anybody with that old a CPU will have learnt to to say "no-hlt" or
whatever the kernel command line is, and we could probably retire the
silly old hlt check (which I'm not even sure really ever worked).
Linus
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