netdev - Re: [PATCH net-next 08/12] net: hns3: introduce ring_to

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Message-ID: <20191016101023.21915feb@cakuba.netronome.com>
Date:   Wed, 16 Oct 2019 10:10:23 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Huazhong Tan <tanhuazhong@...wei.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <salil.mehta@...wei.com>,
        <yisen.zhuang@...wei.com>, <linuxarm@...wei.com>,
        Yunsheng Lin <linyunsheng@...wei.com>
Subject: Re: [PATCH net-next 08/12] net: hns3: introduce ring_to_netdev() in
 enet module

On Wed, 16 Oct 2019 15:17:07 +0800, Huazhong Tan wrote:
> From: Yunsheng Lin <linyunsheng@...wei.com>
> 
> There are a few places that need to access the netdev of a ring
> through ring->tqp->handle->kinfo.netdev, and ring->tqp is a struct
> which both in enet and hclge modules, it is better to use the
> struct that is only used in enet module.
> 
> This patch adds the ring_to_netdev() to access the netdev of ring
> through ring->tqp_vector->napi.dev.
> 
> Also, struct hns3_enet_ring is a frequently used in critical data
> path, so make it cacheline aligned as struct hns3_enet_tqp_vector.

That part seems logically separate, should it be a separate patch?

> Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
> Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>