On Mon, Sep 01, 2014 at 09:05:50AM -0700, Paul E. McKenney wrote: > > URGH.. I really hate that. The hotplug interface is already too > > horrible, we should not add such hacks to it. > > We do have try_ interfaces to a number of other subsystems, so I don't > believe that it qualifies as such a hack.
We do indeed, but I'm not sure about adding this to the hotplug stuff. Also; not really understanding the problem doesn't help. > > How about ripping that rcu_expedited stuff out instead? That's all > > conditional anyhow, so might as well not do it. > > In what way is the expedited stuff conditional? synchronize_sched() conditionally calls synchronize_sched_expedited() and its condition: rcu_expedited, gets set/cleared on pm notifiers and nr_cpu_ids. -- 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/
