On Thu, Nov 08, 2012 at 10:28:53PM -0600, Till Straumann wrote: > Thanks, that's helpful. > > Wouldn't it also be possible to make my own version of > prepare_to_wait()/finish_wait()/wake_up() etc. which internally > use a raw spinlock instead of a normal one? I believe that what you described used to exist in the form of a 'simple' waitqueue, but I don't recall what happened to it. Maybe Thomas can shed some light here. In general though, if you care about determinism, you'd want to avoid the use of such a mechanism unless you can somehow externally provide an upper bound on the number of waiters. Josh -- 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
