On 07/26/2013 11:07 AM, Tejun Heo wrote: > Hello, > > On Fri, Jul 26, 2013 at 10:13:25AM +0800, Lai Jiangshan wrote: >>> Hmmm... if I'm not confused, now the cpu pools just behave like a >>> normal unbound pool when the cpu goes down, >> >> cpu pools are always referenced, they don't behave like unbound pool. > > Yeah sure, they don't get destroyed but pool management functions the > same. > >>> which means that the idle >>> cpu workers will exit once idle timeout is reached, right? >> >> No, no code to force the cpu workers quit currently. >> you can just offline a cpu to see what happened to the workers. > > Hmmm? The idle timer thing doesn't work? Why? >
any worker can't kill itself. managers always tries to leave 2 workers. so the workers of the offline cpu pool can't be totally destroyed. (In old days, we also have idle timer, but the last workers are killed by trustee_thread()) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/