[PATCH v4 0/6] kvm: Make ioeventfd usable on s390.

Cornelia Huck
2013-02-28T09:22:37Z

Here's v4 of the ioeventfd for s390 patch set.

The most interesting change is the addition of MST's cookie patch,
which enhances the virtio-ccw notify hypercall for future performance
optimizations. This patch should go in for 3.9.

I'd love to see the other patches in 3.9 as well; but I wouldn't
mind postponing them to 3.10, your call.

v3 -> v4:
- Pass cookies in virtio-ccw notify hypercall
- Coding style
v2 -> v3:
- Added a patch exporting the virtio-ccw api and use it for the
diagnose implementation.
- Better naming: We're dealing with virtio-ccw notifications only.
v1 -> v2:
- Move irqfd initialization from a module init function to kvm_init,
eliminating the need for a second module for kvm/s390.
- Use kvm_io_device for s390 css devices.

Cornelia Huck (5):
KVM: s390: Export virtio-ccw api.
KVM: Initialize irqfd from kvm_init().
KVM: Introduce KVM_VIRTIO_CCW_NOTIFY_BUS.
KVM: ioeventfd for virtio-ccw devices.
KVM: s390: Wire up ioeventfd.

Michael S. Tsirkin (1):
virtio_ccw: pass a cookie value to kvm hypercall

Documentation/virtual/kvm/api.txt | 8 ++++++++
arch/s390/include/uapi/asm/Kbuild | 1 +
arch/s390/include/uapi/asm/virtio-ccw.h | 21 +++++++++++++++++++++
arch/s390/kvm/Kconfig | 1 +
arch/s390/kvm/Makefile | 2 +-
arch/s390/kvm/diag.c | 26 ++++++++++++++++++++++++++
arch/s390/kvm/kvm-s390.c | 1 +
drivers/s390/kvm/virtio_ccw.c | 16 +++++++++-------
include/linux/kvm_host.h | 14 ++++++++++++++
include/uapi/linux/kvm.h | 3 +++
virt/kvm/eventfd.c | 24 +++++++++++++++---------
virt/kvm/kvm_main.c | 6 ++++++
12 files changed, 106 insertions(+), 17 deletions(-)
create mode 100644 arch/s390/include/uapi/asm/virtio-ccw.h

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1.7.12.4