netdev - Re: [PATCH v5 09/21] IB/hns: Add hca support

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Date:	Tue, 3 May 2016 15:57:59 +0800
From:	"Wei Hu (Xavier)" <xavier.huwei@...wei.com>
To:	Or Gerlitz <gerlitz.or@...il.com>, oulijun <oulijun@...wei.com>
CC:	Jiri Pirko <jiri@...nulli.us>, Leon Romanovsky <leon@...nel.org>,
	"Doug Ledford" <dledford@...hat.com>,
	"Hefty, Sean" <sean.hefty@...el.com>,
	"Hal Rosenstock" <hal.rosenstock@...il.com>,
	David Miller <davem@...emloft.net>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jiri Pirko <jiri@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>, <linuxarm@...wei.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Netdev List <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>
Subject: Re: [PATCH v5 09/21] IB/hns: Add hca support



On 2016/4/30 12:33, Or Gerlitz wrote:
> On Wed, Apr 27, 2016 at 6:34 AM, oulijun <oulijun@...wei.com> wrote:
>> On 2016/4/26 22:25, Jiri Pirko wrote:
>>> Tue, Apr 26, 2016 at 04:18:21PM CEST, leon@...nel.org wrote:
>>>>>      I appreciate your keen eye. this code is meant for ARM64bit therefore should run corretly for 64-bit AARCH64.
>>> The driver should run correctly on any arch.
>>   Hi Jiri Pirko,
>>      Our driver run in ARM64 platform by depending on Kconfig. It will be configure in Kconfig file.
> Can you elaborate what design aspects in the driver or anywhere else
> should impose that limitation?
>
> Or.
Hi, Or Gerlitz

1.  Oulijun resloved the problem, and sent PATCH V6 on 2016-4-28. Thanks 
for more comments.

2.  This driver for Hisilicon RoCE Engine run in ARM SoCs.

The Hisilicon Network Subsystem is a long term evolution IP which is
supposed to be used in Hisilicon ICT SoCs. HNS(Hisilicon Network Subsystem)
has a hardware support of performing RDMA with RoCE engine.

This Kconfig related with this driver as below:

config INFINIBAND_HISILICON_HNS
     tristate "Hisilicon Hns ROCE Driver"
     depends on NET_VENDOR_HISILICON
     depends on ARM64 && HNS && HNS_DSAF && HNS_ENET

Regards
Wei Hu
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