From: Huazhong Tan <tanhuazh...@huawei.com>
Date: Sat, 2 Mar 2019 16:49:30 +0800
> From: Jian Shen <shenjia...@huawei.com>
>
> HW can not guarantee complete write desc->rx.size, even though
> HNS3_RXD_VLD_B has been set. Driver needs to add rmb() instruction
> to make sure desc->rx.size is always valid.
>
> Fixes: e55970950556 ("net: hns3: Add handling of GRO Pkts not fully RX'ed in
> NAPI poll")
> Signed-off-by: Jian Shen <shenjia...@huawei.com>
> Signed-off-by: Huazhong Tan <tanhuazh...@huawei.com>
dma_rmb() is more appropriate here and more efficient.
