On Fri, Feb 22, 2008 at 11:19 AM, Bill Huey (hui) <bill.huey@xxxxxxxxx> wrote: > Yeah, I'm not very keen on having a constant there without some > contention instrumentation to see how long the spins are. It would be > better to just let it run until either task->on_cpu is off or checking > if the "current" in no longer matches the mutex owner for the runqueue > in question. At that point, you know the thread isn't running. > Spinning on something like that is just a waste of time. It's for that > reason that doing in the spin outside of a preempt critical section > isn't really needed Excuse me, I meant to say "...isn't a problem". bill - 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
