Re: linux-next: build failure after merge of the rdma tree

From: wangxi <wangxi11@huawei.com>
To: Jason Gunthorpe <jgg@mellanox.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Doug Ledford <dledford@redhat.com>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Lijun Ou <oulijun@huawei.com>
Subject: Re: linux-next: build failure after merge of the rdma tree
Date: Thu, 4 Jul 2019 12:10:57 +0800	[thread overview]
Message-ID: <1976b003-ed63-2638-b7d2-3d8847b960f8@huawei.com> (raw)
In-Reply-To: <df072872-d0c3-a030-2237-d275f1147106@huawei.com>

在 2019/7/4 12:07, wangxi 写道:
> 
> 
> 在 2019/7/4 10:04, Jason Gunthorpe 写道:
>> On Thu, Jul 04, 2019 at 12:02:35PM +1000, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> On Mon, 1 Jul 2019 14:14:31 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>>>
>>>> Hi all,
>>>>
>>>> After merging the rdma tree, today's linux-next build (x86_64
>>>> allmodconfig) failed like this:
>>>>
>>>> WARNING: modpost: missing MODULE_LICENSE() in drivers/infiniband/hw/hns/hns_roce_ah.o
>>>> see include/linux/module.h for more information
>>> 	.
>>> 	.
>>> 	.
>>>> ERROR: "hns_roce_bitmap_cleanup" [drivers/infiniband/hw/hns/hns_roce_srq.ko] undefined!
>>> 	.
>>> 	.
>>> 	.
>>>> ERROR: "hns_roce_ib_destroy_cq" [drivers/infiniband/hw/hns/hns-roce-hw-v1.ko] undefined!
>>>>
>>>> Presumably caused by commit
>>>>
>>>>   e9816ddf2a33 ("RDMA/hns: Cleanup unnecessary exported symbols")
>>>>
>>>> I have used the rdma tree from next-20190628 for today.
>>>
>>> I am still getting these errors/warnings.
>>
>> I have not got a fixing patch from HNS team.
>>
>> At this late date I will revert the problematic HNS patch tomorrow.
>> There is indeed a mistake, I will append a patch as soon as possible.
> 
> The patch sent before has a problem caused by the merge of the local code. The correct one
> should be as follows :
> 
> diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile
> index b956cf4..b06125f 100644
> --- a/drivers/infiniband/hw/hns/Makefile
> +++ b/drivers/infiniband/hw/hns/Makefile
> @@ -9,8 +9,8 @@ hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
>         hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o
> 
>  ifdef CONFIG_INFINIBAND_HNS_HIP06
> -hns-roce-hw-v1-objs := hns_roce_hw_v1.o
> -obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v1.o $(hns-roce-objs)
> +hns-roce-hw-v1-objs := hns_roce_hw_v1.o $(hns-roce-objs)
> +obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v1.o
>  endif
> 

The old patch does have an error and I will append a new patch as soon as possible.

>> Jason
>> .
>>