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* score: Use an ISR lock for Per_CPU_Control::LockSebastian Huber2019-04-121-6/+7
| | | | | | The use of a hand crafted lock for Per_CPU_Control::Lock was necessary at some point in the SMP support development, but it is no longer justified.
* score: Fix scheduler yield in SMP configurationsSebastian Huber2017-03-071-0/+38
Check that no ask help request is registered during unblock and yield scheduler operations. There is no need to ask for help if a scheduled thread yields, since this is already covered by the pre-emption detection. Update #2556.