kernel: fix main/work_q prios in coop/preempt-only modes
-1 is reserved for the idle thread in coop-only mode and -1 does not exist as a priority in preempt-only mode. With this change, the philosophers demo runs in preempt-only mode. Change-Id: Id15a6eafc7582966deaf0db9ed6960b5da74be33 Signed-off-by: Benjamin Walsh <walsh.benj@gmail.com>
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@ -89,7 +89,7 @@ config MAIN_THREAD_PRIORITY
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int
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prompt "Priority of initialization/main thread"
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default 0
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default -1 if NUM_PREEMPT_PRIORITIES = 0
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default -2 if !PREEMPT_ENABLED
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help
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Priority at which the initialization thread runs, including the start
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of the main() function. main() can then change its priority if desired.
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@ -231,6 +231,8 @@ config SYSTEM_WORKQUEUE_STACK_SIZE
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config SYSTEM_WORKQUEUE_PRIORITY
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int "System workqueue priority"
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default -1
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default 0 if !COOP_ENABLED
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default -2 if COOP_ENABLED && !PREEMPT_ENABLED
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config OFFLOAD_WORKQUEUE_STACK_SIZE
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int "Workqueue stack size for thread offload requests"
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