sched: rt: fix SMP bandwidth balancing for throttled groups
Now we exceed the runtime and get throttled - the period rollover tick will subtract the cpu quota from the runtime and check if we're below quota. However with this cpu having a very small portion of the runtime it will not refresh as fast as it should. Therefore, also rebalance the runtime when we're throttled. Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Cc: "Daniel K." <dk@uw.no> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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