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Subject[patch] 2.4.21-pre5 correct scheduling of idle tasks [ all arch ]
Keith Owens writes:
> There are several inconsistencies in the scheduling of idle tasks and,
> for UP, tracking which task is on the cpu. This patch standardizes
> idle task scheduling across all architectures and corrects the UP
> error, it is just a bug fix.
...
> To make it worse, on UP a task is assigned to a cpu but never released.
> Very quickly, all tasks are marked as currently running on cpu 0 :(.

->cpus_runnable and task_has_cpu() are SMP-only, as a quick grep
through 2.4.20 will tell you. There is no UP bug here to fix.

/Mikael
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