On Thu, 23 Apr 2015 14:53:27 +0800 pang.xun...@zte.com.cn wrote: > > Why not use Peter's idea of instead of checking PREEMPT_ACTIVE, just > > check if the task is on the runqueue or not. If it scheduled out, it > > would take itself off the runqueue, if it was preempted by anything, it > > would still be on the run queue, and according to FIFO, it should still > > maintain CPU ownership over other tasks of the same prio. > > > > But for yield() or RR scheduling when running out of time slice, > I think this would be still inappropriate, am I missing something?
Good point, I'll have to look into this a bit more. -- 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/
