> -----Original Message-----
> From: Yuanhan Liu [mailto:yuanhan.liu at linux.intel.com]
> Sent: Monday, August 24, 2015 11:55 AM
> To: dev at dpdk.org
> Cc: Xie, Huawei; Ouyang, Changchun; Yuanhan Liu
> Subject: [PATCH 4/4] vhost: define callfd and kickfd as int type
>
> So that we can remove the redundant (int) cast.
>
> Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
> ---
> diff --git a/lib/librte_vhost/rte_virtio_net.h
> b/lib/librte_vhost/rte_virtio_net.h
> index b9bf320..a037c15 100644
> --- a/lib/librte_vhost/rte_virtio_net.h
> +++ b/lib/librte_vhost/rte_virtio_net.h
> @@ -87,8 +87,8 @@ struct vhost_virtqueue {
> uint16_t vhost_hlen; /**< Vhost header
> length (varies depending on RX merge buffers. */
> volatile uint16_t last_used_idx; /**< Last index used
> on the available ring */
> volatile uint16_t last_used_idx_res; /**< Used for
> multiple devices reserving buffers. */
> - eventfd_t callfd; /**< Used to notify
> the guest (trigger interrupt). */
> - eventfd_t kickfd; /**< Currently
> unused as polling mode is enabled. */
> + int callfd; /**< Used to notify
> the guest (trigger interrupt). */
> + int kickfd; /**< Currently
> unused as polling mode is enabled. */
I don't think we have to change it from 8B(eventfd_t is defined as uint64_t) to
4B,
Any benefit for this change?
