On Tue, Mar 15, 2011 at 05:21:34PM -0400, Jung-uk Kim wrote: > However, why do we need cheaper DELAY() when we trying to "delay" > something with it? Busy-loop performing repeated access to the south bridge eats the bus capacity, that could be useful for other bus agent and other cores. I think this is the case with HPET, while TSC is core-local.
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