Messages in this thread | | | Date | Wed, 1 Jul 2015 08:58:15 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH RFC tip/core/rcu 0/5] Expedited grace periods encouraging normal ones |
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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
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