2016-03-14 17:12, Yuanhan Liu: > On Mon, Mar 14, 2016 at 05:53:32PM +0900, Tetsuya Mukawa wrote: > > Currently, default values of kickfd and callfd are -1. > > If the values are -1, current code guesses kickfd and callfd haven't > > been initialized yet. Then vhost library will guess the virtqueue isn't > > ready for processing. > > But callfd and kickfd will be set as -1 when "--enable-kvm" > > isn't specified in QEMU command line. It means we cannot treat -1 as > > uninitialized state. > > The patch defines -1 and -2 as VIRTIO_INVALID_EVENTFD and > > VIRTIO_UNINITIALIZED_EVENTFD, and uses VIRTIO_UNINITIALIZED_EVENTFD for > > the default values of kickfd and callfd. > > Don't be mean to put an empty line between paragraphs :) > > > Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp> > > Acked-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
Applied, thanks