On Wed, Jul 01, 2015 at 04:08:27PM +0200, Eric Dumazet wrote: > > OK, I'll bite. Exactly what seems especially vile about it? > > Presumably we would need to convert everything to async model > (call_rcu() and friends), > but that is a long way to go... > > For example, synchronize_srcu_expedited() in kvm_set_irq_routing() > really looks overkill.
But synchronize_srcu_expedited() is SRCU, and does not disturb the rest of the system. Don't get me wrong, if converting it to call_srcu() helps, why not? But synchronize_srcu_expedited() isn't messing up HPC or real-time workloads. Thanx, Paul -- 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/