On 2013/2/5 15:22, Kirill Tkhai wrote: >> >> Suppose we have a large number of cpus(say 4096), with the last one running >> a low-priority task on it. Is it possible with this patch we will never reach >> the last cpu in case that previous cpu has complete the pulled task? > > Yes. But this patch is about several pushable tasks on the same cpu. > > Kirill >
Maybe I haven't make myself understood, but in that case, there will be a higher-priority task in the runqueue of the pushing cpu, and a lower-priority task running in the last cpu which could not be preempt by push_rt_task(), I don't think it's acceptable. Hans -- 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/
