linux-kernel - Re: [PATCH] RDMA/hns: Fix build error for hip08

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Date:   Wed, 24 Jul 2019 11:10:04 +0800
From:   Yuehaibing <yuehaibing@...wei.com>
To:     Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky <leon@...nel.org>
CC:     <oulijun@...wei.com>, <xavier.huwei@...wei.com>,
        <dledford@...hat.com>, <linux-kernel@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH] RDMA/hns: Fix build error for hip08

On 2019/7/23 21:37, Jason Gunthorpe wrote:
> On Tue, Jul 23, 2019 at 04:35:40PM +0300, Leon Romanovsky wrote:
>> On Tue, Jul 23, 2019 at 09:34:02AM -0300, Jason Gunthorpe wrote:
>>> On Tue, Jul 23, 2019 at 10:43:39AM +0300, Leon Romanovsky wrote:
>>>> On Tue, Jul 23, 2019 at 10:49:08AM +0800, YueHaibing wrote:
>>>>> If INFINIBAND_HNS_HIP08 is selected and HNS3 is m,
>>>>> but INFINIBAND_HNS is y, building fails:
>>>>>
>>>>> drivers/infiniband/hw/hns/hns_roce_hw_v2.o: In function `hns_roce_hw_v2_exit':
>>>>> hns_roce_hw_v2.c:(.exit.text+0xd): undefined reference to `hnae3_unregister_client'
>>>>> drivers/infiniband/hw/hns/hns_roce_hw_v2.o: In function `hns_roce_hw_v2_init':
>>>>> hns_roce_hw_v2.c:(.init.text+0xd): undefined reference to `hnae3_register_client'
>>>>
>>>> It means that you have a problem with header files of your hns3.
>>>>
>>>>>
>>>>> Reported-by: Hulk Robot <hulkci@...wei.com>
>>>>> Fixes: dd74282df573 ("RDMA/hns: Initialize the PCI device for hip08 RoCE")
>>>>> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>>>>>  drivers/infiniband/hw/hns/Kconfig | 3 ++-
>>>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/drivers/infiniband/hw/hns/Kconfig b/drivers/infiniband/hw/hns/Kconfig
>>>>> index b59da5d..4371c80 100644
>>>>> +++ b/drivers/infiniband/hw/hns/Kconfig
>>>>> @@ -23,7 +23,8 @@ config INFINIBAND_HNS_HIP06
>>>>>
>>>>>  config INFINIBAND_HNS_HIP08
>>>>>  	bool "Hisilicon Hip08 Family RoCE support"
>>>>> -	depends on INFINIBAND_HNS && PCI && HNS3
>>>>> +	depends on INFINIBAND_HNS && (INFINIBAND_HNS = HNS3)
>>>>
>>>> This is wrong.
>>>
>>> It is tricky. It is asserting that the IB side is built as a module if
>>> the ethernet side is a module..
>>>
>>> It is kind of a weird pattern as the module config is INFINIBAND_HNS
>>> and these others are just bool opens what to include, but I think it
>>> is OK..
>>
>> select ???
> 
> select doesn't influence module or not any different from depeends

Ok, it seems select is a better solution, it allows HNS3 is y while INFINIBAND_HNS is m,

Will send v2, Thanks!

> 
> Jason
> 
> .
>