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

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Date:   Thu, 4 Jul 2019 12:07:26 +0800
From:   wangxi <wangxi11@...wei.com>
To:     Jason Gunthorpe <jgg@...lanox.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Doug Ledford <dledford@...hat.com>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lijun Ou <oulijun@...wei.com>
Subject: Re: linux-next: build failure after merge of the rdma tree



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@...b.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

> Jason
> .
>