> One more idea. The wrap-around case is the only one when the high word is > modified. This is in fact the only case when the fetchadd.acq competes with > the st2.rel about the actual contents of that location. I don't know if it > matters... I pondered that for a while - but I have difficulty believing that fetchadd looks at which bits changed and only writes back the bytes that did. -Tony -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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