On Tue, Mar 26, 2013 at 11:30:32PM -0400, Steven Rostedt wrote: > 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?
Just break out. > > We can run benchmarks, but I don't like playing games in -rt. It either > is deterministic, or it isn't. Okay. > > -- Steve > > > -- > 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/ -- 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/
