On Tue, 2017-10-10 at 07:11:09 UTC, Nicholas Piggin wrote: > For shared processor guests (e.g., KVM), add an idle polling mode rather > than immediately returning to the hypervisor when the guest CPU goes > idle. > > Test setup is a 2 socket POWER9 with 4 guests running, each with vCPUs > equal to 1/2 of real of CPUs. Saturated each guest with tbench. Using > polling idle gives about 1.4x throughput. > > Kernel compile speed was not changed significantly. > > Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/f2ac428e0edabbca41b9dfe9473a90 cheers -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
