On Wed, 2013-03-27 at 11:59 +0900, Joonsoo Kim wrote: > How about using spin_try_lock() in unfreeze_partials() and > using spin_lock_contented() in get_partial_node() to reduce latency? > IMHO, this doesn't make code more deterministic, but can maintain > a benefit of cpu partial page with tolerable latency. And what do you do when you fail the try lock? Try again, or just break out? We can run benchmarks, but I don't like playing games in -rt. It either is deterministic, or it isn't. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
