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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