The feature negotiation are per device, so it' s better to move them earlier in vdev_info_init() since vhost_vq_setup() contains the code to initialize virtqueue. Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> --- tools/virtio/virtio_test.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c index 765e64895dab..2d8a3e881637 100644 --- a/tools/virtio/virtio_test.c +++ b/tools/virtio/virtio_test.c @@ -69,7 +69,6 @@ void vhost_vq_setup(struct vdev_info *dev, struct vq_info *info) { struct vhost_vring_state state = { .index = info->idx }; struct vhost_vring_file file = { .index = info->idx }; - unsigned long long features = dev->vdev.features; struct vhost_vring_addr addr = { .index = info->idx, .desc_user_addr = (uint64_t)(unsigned long)info->vring.desc, @@ -77,8 +76,6 @@ void vhost_vq_setup(struct vdev_info *dev, struct vq_info *info) .used_user_addr = (uint64_t)(unsigned long)info->vring.used, }; int r; - r = ioctl(dev->control, VHOST_SET_FEATURES, &features); - assert(r >= 0); state.num = info->vring.num; r = ioctl(dev->control, VHOST_SET_VRING_NUM, &state); assert(r >= 0); @@ -149,6 +146,8 @@ static void vdev_info_init(struct vdev_info* dev, unsigned long long features) dev->mem->regions[0].memory_size = dev->buf_size; r = ioctl(dev->control, VHOST_SET_MEM_TABLE, dev->mem); assert(r >= 0); + r = ioctl(dev->control, VHOST_SET_FEATURES, &features); + assert(r >= 0); } /* TODO: this is pretty bad: we get a cache line bounce -- 2.36.1 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization