On Tue, 8 Aug 2017 12:05:31 +0800 "Longpeng(Mike)" <longpeng2@xxxxxxxxxx> wrote: > This is a simple optimization for kvm_vcpu_on_spin, the > main idea is described in patch-1's commit msg. I think this generally looks good now. > > I did some tests base on the RFC version, the result shows > that it can improves the performance slightly. Did you re-run tests on this version? I would also like to see some s390 numbers; unfortunately I only have a z/VM environment and any performance numbers would be nearly useless there. Maybe somebody within IBM with a better setup can run a quick test?
