On Thu, 2013-04-04 at 15:31 +0200, Daniel Vetter wrote: > The thing is now that you're not expected to hold these locks for a > long > time - if you need to synchronously stall while holding a lock > performance > will go down the gutters anyway. And since most current > gpus/co-processors > still can't really preempt fairness isn't that high a priority, > either. > So we didn't think too much about that.
Yeah but you're proposing a new synchronization primitive for the core kernel.. all such 'fun' details need to be considered, not only those few that bear on the one usecase. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
