Re: Re: [PATCH v6 2/3] sched/rt: Fix wrong SMP scheduler behavior for equal prio cases

From: Peter Zijlstra
Date: Fri Apr 24 2015 - 14:33:15 EST


On Thu, Apr 23, 2015 at 02:53:27PM +0800, pang.xunlei@xxxxxxxxxx wrote:
> But for yield() or RR scheduling when running out of time slice,
> I think this would be still inappropriate, am I missing something?

Those two have explicit hooks you can use to do the right queueing with.

Look at yield_task_rt() and task_tick_rt() both end up doing
requeue_task_rt(), which is exactly what you want, no?

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