Christoph Lameter wrote on Thursday, March 30, 2006 4:45 PM > > I would make that MODE_RELEASE for clear_bit, simply to match the > > observation that clear_bit is usually used in unlock path and have > > potential less surprises. > > clear_bit per se is defined as an atomic operation with no implications > for release or acquire. If it is used for release then either add the > appropriate barrier or use MODE_RELEASE explicitly. > > It precise the uncleanness in ia64 that such semantics are attached to > these bit operations which may lead people to depend on those. We need to > either make these explicit or not depend on them. I know, I'm saying since it doesn't make any difference from API point of view whether it is acq, rel, or no ordering, then just make them rel as a "preferred" Operation on ia64. - Ken - : 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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