Re: [RFC V4 PATCH 8/8] vhost: event suppression for packed ring

On 2018年05月16日 20:32, Jason Wang wrote: +static bool vhost_notify_packed(struct vhost_dev *dev, + struct vhost_virtqueue *vq) +{ + __virtio16 event_off_wrap, event_flags; + __u16 old, new, off_wrap; + bool v; + + /* Flush out used descriptor

[RFC V4 PATCH 8/8] vhost: event suppression for packed ring

This patch introduces basic support for event suppression aka driver and device area. Signed-off-by: Jason Wang --- drivers/vhost/vhost.c| 168 --- drivers/vhost/vhost.h| 10 ++- include/uapi/linux/virtio_ring.h | 19 + 3 files ch