On Thu, Apr 11, 2013 at 09:04:59PM +0800, Neil Zhang wrote:
> migration_call() will do all the things that update_runtime() does.
> So let's remove it.
>
> Furthermore, there is potential risk that the current code will catch
> BUG_ON at line 689 of rt.c when do cpu hotplug while there are realtime
> threads running because of enabling runtime twice while the rt_runtime
> may already changed.
>
Indeed, it looks like the 'new' sched_class::rq_{on,off}line stuff handles all
that just fine.
Thanks for spotting that.
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