Hi, This series enhance the buffer allocation by: 1.Support the different buffer number in rx/tx direction 2.Get the individual rx/tx buffer size from config space Here is the related OpenAMP change: https://github.com/OpenAMP/open-amp/pull/155 Xiang Xiao (3): rpmsg: virtio_rpmsg_bus: allow the different vring size for send/recv rpmsg: virtio_rpmsg_bus: allocate rx/tx buffer separately rpmsg: virtio_rpmsg_bus: get buffer size from config space drivers/rpmsg/virtio_rpmsg_bus.c | 127 +++++++++++++++++++++++--------------- include/uapi/linux/virtio_rpmsg.h | 24 +++++++ 2 files changed, 100 insertions(+), 51 deletions(-) create mode 100644 include/uapi/linux/virtio_rpmsg.h -- 2.7.4