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由 Gautham R Shenoy 提交于
yield() in wait_task_inactive(), can cause a high priority thread to be scheduled back in, and there by loop forever while it is waiting for some lower priority thread which is unfortunately still on the runqueue. Use schedule_timeout_uninterruptible(1) instead. Signed-off-by: NGautham R Shenoy <ego@in.ibm.com> Credit: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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