On Fri, Apr 25, 2014 at 09:56:10AM +0800, Li Zhong wrote: > > A nests cpu subsys mutex under s_active of the online node. B nests > > s_active of the online node under the cpu subsys mutex. What am I > > missing? > > From the above two chain, I think the problem is cpu_subsys_mutex and > s_active(online), which is the deadlock we are trying to solve in patch
Yeap, that one was what I was thinking about. > #2. I seems to me s_active(release) here doesn't have lock issues? And your patch doesn't change the situation for online. Alright, thanks a lot for the explanation. -- tejun -- 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/
