linux-kernel - Re: [PATCH v4 2/3] IB/hns: Add HiSilicon RoCE driver support

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Date:	Wed, 23 Mar 2016 20:20:52 +0800
From:	oulijun <oulijun@...wei.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	<dledford@...hat.com>, <sean.hefty@...el.com>,
	<hal.rosenstock@...il.com>, <davem@...emloft.net>,
	<jeffrey.t.kirsher@...el.com>, <jiri@...lanox.com>,
	<ogerlitz@...lanox.com>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<gongyangming@...wei.com>, <xiaokun@...wei.com>,
	<tangchaofei@...wei.com>, <haifeng.wei@...wei.com>,
	<yisen.zhuang@...wei.com>, <yankejian@...wei.com>,
	<lisheng011@...wei.com>, <charles.chenxin@...wei.com>,
	<linuxarm@...wei.com>
Subject: Re: [PATCH v4 2/3] IB/hns: Add HiSilicon RoCE driver support

On 2016/3/23 2:54, Christoph Hellwig wrote:
>>  drivers/infiniband/Kconfig                         |    1 +
>>  drivers/infiniband/hw/Makefile                     |    1 +
>>  drivers/infiniband/hw/hisilicon/hns/Kconfig        |   10 +
> 
> To fit in with the other drivers drop the hisilicon level
> of the directory hierarchy.
> 
> Haven't had time to look at the actual driver yet so far, though.
> 
> .
> 
Hi Christoph Hellwig,
   surely, I considered that other drivers will be put into the hisilicon
level of the directory hierarchy. These drivers will support RDMA function which
will be developed for a series of hisilicon chip. Because of the consideration, I drop the
level.
   In additon that, i thought that the patch of RoCE driver which supported the base function of RDMA is huge. However,
It is not splitted into patches in form of patchset. I don't put a better strategy that it neither make mistakes
of building and running nor huge.

thanks
Lijun Ou