On Tue, 4 Nov 2014 19:13:01 +0800 "pang.xunlei" <[email protected]> wrote:
> When selecting the cpu for a waking RT task, if curr is a non-RT > task which is bound only on this cpu, then we can give it a chance > to select a different cpu(definitely an idle cpu if existing) for > the RT task to avoid curr starving. Absolutely not! An RT task doesn't give a crap if a non RT task is bound to a CPU or not. We are not going to migrate an RT task to be nice to a bounded non-RT task. Migration is not cheap. It causes cache misses and TLB flushes. This is not something that should be taken lightly. Nack -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
