Hi: This series enable vhost-kernel busy polling support. It's done through introducing a new property for tap backend - 'vhost_poll_us' which is the maximum number of us could be spent for busy polling.
Please reivew. Thanks Jason Wang (2): update linux headers to 4.5.0-rc5+ tap: vhost busy polling support hw/net/vhost_net.c | 2 +- hw/scsi/vhost-scsi.c | 2 +- hw/virtio/vhost-backend.c | 8 +++ hw/virtio/vhost.c | 40 ++++++++++- include/hw/virtio/vhost-backend.h | 3 + include/hw/virtio/vhost.h | 3 +- include/net/vhost_net.h | 1 + include/standard-headers/asm-x86/hyperv.h | 4 +- include/standard-headers/linux/input.h | 1 + include/standard-headers/linux/types.h | 5 +- include/standard-headers/linux/virtio_balloon.h | 2 +- include/standard-headers/linux/virtio_blk.h | 6 +- linux-headers/asm-arm64/kvm.h | 6 ++ linux-headers/asm-powerpc/epapr_hcalls.h | 4 +- linux-headers/asm-powerpc/kvm.h | 9 +++ linux-headers/asm-x86/unistd_32.h | 2 + linux-headers/asm-x86/unistd_64.h | 2 + linux-headers/linux/kvm.h | 11 +++ linux-headers/linux/userfaultfd.h | 2 +- linux-headers/linux/vfio.h | 92 ++++++++++++++++++++++++- linux-headers/linux/vhost.h | 6 ++ net/tap.c | 10 ++- net/vhost-user.c | 1 + qapi-schema.json | 3 +- 24 files changed, 206 insertions(+), 19 deletions(-) -- 2.5.0
