From: Leon Romanovsky <leonro@mellanox.com>
To: Jason Gunthorpe <jgg@mellanox.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
Doug Ledford <dledford@redhat.com>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Guy Levi(SW)" <guyle@mellanox.com>,
Majd Dibbiny <majd@mellanox.com>
Subject: Re: linux-next: build failure after merge of the rdma tree
Date: Tue, 4 Dec 2018 09:42:59 +0000 [thread overview]
Message-ID: <20181204094256.GX6462@mtr-leonro.mtl.com> (raw)
In-Reply-To: <20181204015247.GR12288@mellanox.com>
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On Tue, Dec 04, 2018 at 01:52:54AM +0000, Jason Gunthorpe wrote:
> On Tue, Dec 04, 2018 at 11:47:31AM +1100, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the rdma tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > ERROR: "mlx5_get_send_wqe" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined!
> >
> > Caused by commit
> >
> > 34f4c9554d8b ("IB/mlx5: Use fragmented QP's buffer for in-kernel users")
> >
> > mlx5_get_send_wqe() is still used in drivers/infiniband/hw/mlx5/cq.c
> > and declared in drivers/infiniband/hw/mlx5/mlx5_ib.h ...
> >
> > I have used the version of the rdma tree from next-20181203 for today.
>
> Huh. So apparently every compiler that tested this patch (0-day, mine,
> the submitters) optimized this call away because is_atomic_response()
> always returns 0: meaning mlx5_get_atomic_laddr is never callable and
> can be deleted entirely, including the call to mlx5_get_send_wqe.
>
> Not sure what compiler setup will hit this, but it is clearly wrong
> code..
>
> Guy/Leon, please send a fixup.. Maybe just delete all this
> handle_atomics stuff?
I deleted it and will wait for the results of regression prior to send the patch.
Thanks
>
> Thanks,
> Jason
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next prev parent reply other threads:[~2018-12-04 9:43 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 0:47 linux-next: build failure after merge of the rdma tree Stephen Rothwell
2018-12-04 1:52 ` Jason Gunthorpe
2018-12-04 9:42 ` Leon Romanovsky [this message]
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
-- 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
2018-01-25 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
2016-09-27 1:23 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
2016-09-28 21:45 ` Stephen Rothwell
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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