Kevin O'Connor 2c272f99a3 sched: Implement generic sleep mechanism based on tasks pending ...

Track when tasks are pending and spin in irq_wait() when no tasks are
pending.  This improves the mechanism for sleeping the processor -
it's simpler for the board specific code and it reduces the
possibility of the processor sleeping when tasks are busy.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2017-08-08 00:27:28 -04:00

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