Hello, (sorry about late reply) On 04/30/2010 07:26 PM, Oleg Nesterov wrote: > Currently _cpu_down() can't flush and/or stop the frozen cwq->thread. > > IIRC this is fixable, but needs the nasty complications. We should > thaw + stop the frozen cwq->thread, then move the pending works to > another CPU. Oh, this isn't an issue w/ cmwq. While frozen all new works are collected into per-cpu delayed worklist and while frozen trustee in charge of the cpu will keep waiting. Once thawed, trustee will execute all works including the delayed ones unbound to any cpu. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html