Lazily remove exited tasks from run queue #1095
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Avoids locking all the schedulers on task exit. This PR also technically changes the round robin scheduler algorithm, as blocked tasks are now moved to the end of the run queue. Previously, the blocked tasks would be kept in place, aside from the task at the front of the queue which would be switched with the next runnable task using `swap_remove_front`. Signed-off-by: Klim Tsoutsman <klim@tsoutsman.com>
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Avoids locking all the schedulers on task exit.
This PR also technically changes the round robin scheduler algorithm, as blocked tasks are now moved to the end of the run queue. Previously, the blocked tasks would be kept in place, aside from the task at the front of the queue which would be switched with the next runnable task using
swap_remove_front.