RE: [BUG] Variable stopmachine_state should be volatile

> The right approach is to define ia64_hint to ia64_barrier in file
> include/asm-ia64/intel_intrin.h. I tested the new approach and it
> does work.

Does that get you a "hint@pause" instruction inside the loop?  If not, then
it isn't all the way to the "right" approach.

-Tony
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