From: Doug Ledford <dledford@redhat.com>
To: Greg KH <greg@kroah.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
Oleg Drokin <oleg.drokin@intel.com>,
Andreas Dilger <andreas.dilger@intel.com>
Subject: Re: linux-next: build failure after merge of the rdma tree
Date: Wed, 28 Sep 2016 11:26:20 -0400 [thread overview]
Message-ID: <57EBE11C.9090902@redhat.com> (raw)
In-Reply-To: <20160928152339.GA1098@kroah.com>
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On 9/28/16 11:23 AM, Greg KH wrote:
> On Wed, Sep 28, 2016 at 11:00:11AM -0400, Doug Ledford wrote:
>> On 9/27/16 9:43 PM, Stephen Rothwell wrote:
>>> Hi Stephen,
>>>
>>> On Tue, 27 Sep 2016 11:23:34 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>>>
>>>> Hi Doug,
>>>>
>>>> After merging the rdma tree, today's linux-next build (x86_64
>>>> allmodconfig) failed like this:
>>>>
>>>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c: In function 'kiblnd_hdev_setup_mrs':
>>>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:2317:7: error: implicit declaration of function 'ib_get_dma_mr' [-Werror=implicit-function-declaration]
>>>> mr = ib_get_dma_mr(hdev->ibh_pd, acflags);
>>>> ^
>>>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:2317:5: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
>>>> mr = ib_get_dma_mr(hdev->ibh_pd, acflags);
>>>> ^
>>>>
>>>> Caused by commit
>>>>
>>>> 5ef990f06bd7 ("IB/core: remove ib_get_dma_mr")
>>>>
>>>> I have used the rdma tree from next-20160923 for today.
>>>
>>> As pointed out by Christoph, I should have just disabled the driver in
>>> staging, so today I just applied the patch below. Doug, that should
>>> probably be applied to the rdma tree so that you don't break Linus'
>>> tree when it gets merged.
>>>
>>> From: Stephen Rothwell <sfr@canb.auug.org.au>
>>> Date: Wed, 28 Sep 2016 11:35:28 +1000
>>> Subject: [PATCH] starging/lustre: disable LNET infiniband support
>>>
>>> Commit 5ef990f06bd7 ("IB/core: remove ib_get_dma_mr") broke the
>>> lustre LNET infiniband support. Since this is in drivers/staging,
>>> lets just disable it for now until ti can be fixed properly.
>>>
>>> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
>>> ---
>>> drivers/staging/lustre/lnet/Kconfig | 1 +
>>> 1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/staging/lustre/lnet/Kconfig b/drivers/staging/lustre/lnet/Kconfig
>>> index 2b5930150cda..13b43278a38d 100644
>>> --- a/drivers/staging/lustre/lnet/Kconfig
>>> +++ b/drivers/staging/lustre/lnet/Kconfig
>>> @@ -35,6 +35,7 @@ config LNET_SELFTEST
>>> config LNET_XPRT_IB
>>> tristate "LNET infiniband support"
>>> depends on LNET && INFINIBAND && INFINIBAND_ADDR_TRANS
>>> + depends on BROKEN
>>> default LNET && INFINIBAND
>>> help
>>> This option allows the LNET users to use infiniband as an
>>>
>>
>> That doesn't seem like a particularly good thing to put in. Wouldn't
>> you end up just reverting it later when they fix lustre? And are you
>> going to revert the revert when it breaks again and revert the revert of
>> the revert when it's fixed again?
>
> Yup :)
>
> Well, in reality just keep adding and removing the line without dealing
> with reverts, much simpler...
>
>> That just seems a lot of churn. I
>> thought it was generally accepted that things in staging might or might
>> not work and if they don't, we don't care? Am I wrong on that?
>
> Nope, you are not wrong, but it is nice to not break some people's
> builds if it's possible.
Okie dokie, got it.
--
Doug Ledford <dledford@redhat.com> GPG Key ID: 0E572FDD
Red Hat, Inc.
100 E. Davie St
Raleigh, NC 27601 USA
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next prev parent reply other threads:[~2016-09-28 15:26 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 1:23 linux-next: build failure after merge of the rdma tree Stephen Rothwell
2016-09-27 5:04 ` Christoph Hellwig
2016-09-27 5:48 ` Stephen Rothwell
2016-09-27 13:39 ` Christoph Hellwig
2016-09-27 17:15 ` Doug Ledford
2016-09-28 1:43 ` Stephen Rothwell
2016-09-28 15:00 ` Doug Ledford
2016-09-28 15:23 ` Greg KH
2016-09-28 15:26 ` Doug Ledford [this message]
2016-09-28 21:45 ` Stephen Rothwell
-- strict thread matches above, loose matches on Subject: below --
2020-02-26 2:51 Stephen Rothwell
2020-02-26 3:04 ` Devesh Sharma
2020-02-26 17:25 ` Jason Gunthorpe
2019-07-09 3:30 Stephen Rothwell
2019-07-09 7:04 ` Mark Zhang
2019-07-09 7:18 ` Leon Romanovsky
2019-07-09 12:43 ` Stephen Rothwell
2019-07-09 13:11 ` Leon Romanovsky
2019-07-09 12:46 ` Jason Gunthorpe
2019-07-10 1:04 ` Stephen Rothwell
2019-07-10 4:30 ` Stephen Rothwell
2019-07-16 23:28 ` Stephen Rothwell
2019-07-17 6:33 ` Masahiro Yamada
2019-07-17 7:45 ` Stephen Rothwell
2019-07-08 3:03 Stephen Rothwell
2019-07-08 14:09 ` Jason Gunthorpe
2019-07-08 2:57 Stephen Rothwell
2019-07-08 16:08 ` Jason Gunthorpe
2019-07-09 3:11 ` Stephen Rothwell
2019-07-25 18:32 ` Dennis Dalessandro
2019-07-01 4:14 Stephen Rothwell
2019-07-01 7:54 ` wangxi
2019-07-01 22:49 ` Jason Gunthorpe
2019-07-04 2:02 ` Stephen Rothwell
2019-07-04 2:04 ` Jason Gunthorpe
2019-07-04 2:10 ` oulijun
2019-07-04 4:07 ` wangxi
2019-07-04 4:10 ` wangxi
2019-07-04 6:31 ` oulijun
2019-07-05 13:15 ` Jason Gunthorpe
2019-07-05 14:59 ` Stephen Rothwell
2018-12-04 0:47 Stephen Rothwell
2018-12-04 1:52 ` Jason Gunthorpe
2018-12-04 9:42 ` Leon Romanovsky
2018-12-07 2:41 ` Stephen Rothwell
2018-12-05 12:25 ` Guy Levi(SW)
2018-12-05 22:58 ` Stephen Rothwell
2018-12-10 0:43 ` Changbin Du
2018-12-10 15:52 ` Masahiro Yamada
2018-01-25 7:22 Stephen Rothwell
2018-01-25 8:50 ` Leon Romanovsky
2018-01-25 16:08 ` Doug Ledford
2017-07-31 2:07 Stephen Rothwell
2017-04-21 1:42 Stephen Rothwell
2017-04-21 1:58 ` Joe Perches
2017-04-21 2:21 ` Doug Ledford
2017-04-21 2:23 ` Stephen Rothwell
2017-04-21 2:21 ` Stephen Rothwell
2017-02-15 0:30 Stephen Rothwell
2017-02-15 1:05 ` Doug Ledford
2017-02-15 5:09 ` Selvin Xavier
2016-03-16 1:15 Stephen Rothwell
2016-03-16 6:49 ` Herbert Xu
2016-03-16 19:02 ` Doug Ledford
2016-03-16 20:41 ` Stephen Rothwell
2016-03-16 22:14 ` Ismail, Mustafa
2016-01-13 1:35 Stephen Rothwell
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