On 10 April 2015 at 10:11, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: > I did some experimentations on arm64 a long while ago (see the > kvm-arm64/lazy-fp branch in my tree), and it wasn't that great, > apparently because aarch64 userspace tends to be much more FP happy than > aarch32, but I'm not completely sure about it. Was that with the buggy version of the toolchain that had incorrect costs and so was much more inclined to spill integer values into the FPU than it should have been? It might be worth retesting with a freshly compiled userspace some day... -- PMM -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html