Here's the current version of my patch enabling ioeventfds for virtio-ccw. The linux-headers patch only adds the new flag for ioeventfds. Wiring up ioeventfds has improved performance drastically (up to twice as fast for a simple dd). Notifier support is something we plan to do next. Please consider applying if this makes sense. v2 -> v3: - Adapt to changed ioeventfd interface again. v1 -> v2: - Adapt to changed ioeventfd interface. Cornelia Huck (2): linux-headers: Update with ioeventfd changes. virtio-ccw: Wire up ioeventfd. hw/s390x/css.c | 2 +- hw/s390x/css.h | 1 + hw/s390x/virtio-ccw.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++ hw/s390x/virtio-ccw.h | 7 +++ linux-headers/linux/kvm.h | 3 ++ target-s390x/cpu.h | 16 +++++++ target-s390x/kvm.c | 19 ++++++++ 7 files changed, 161 insertions(+), 1 deletion(-) -- 1.7.12.4 -- 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
