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From:   Chris Paterson <Chris.Paterson2@renesas.com>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Subject: RE: [PATCH 4.19 000/422] 4.19.85-stable review
Thread-Topic: [PATCH 4.19 000/422] 4.19.85-stable review
Thread-Index: AQHVnpmkB8jYWSq0hUGT+a8kwF1jMaeSLOoAgAA/xICAABmSgIAAHiuAgAANKBA=
Date:   Tue, 19 Nov 2019 16:38:06 +0000
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> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Sent: 19 November 2019 15:49
>=20
> On Tue, Nov 19, 2019 at 02:44:12PM +0000, Chris Paterson wrote:
> > Hi Greg,
> >
> > > From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > > Sent: 19 November 2019 12:29
> > >
> > > On Tue, Nov 19, 2019 at 08:54:25AM +0000, Chris Paterson wrote:
> > > > Hello Greg, all,
> > > >
> > > > > From: stable-owner@vger.kernel.org <stable-owner@vger.kernel.org>
> On
> > > > > Behalf Of Greg Kroah-Hartman
> > > > > Sent: 19 November 2019 05:13
> > > > >
> > > > > This is the start of the stable review cycle for the 4.19.85 rele=
ase.
> > > > > There are 422 patches in this series, all will be posted as a res=
ponse
> > > > > to this one.  If anyone has any issues with these being applied, =
please
> > > > > let me know.
> > > >
> > > > I'm seeing some build issues with module compilation with this rele=
ase
> > > (1b1960cc Linux 4.19.85-rc1), I also saw them with the previous two v=
ersions
> of
> > > Linux 4.19.85-rc1 (cd21ecdb and 1fd0ac64).
> > > >
> > > > Full log available on GitLab [0]. Build conf [1].
> > > > [0] https://gitlab.com/cip-playground/linux-stable-rc-ci/-/jobs/354=
591285
> > > > [1] https://gitlab.com/cip-playground/linux-stable-rc-ci/-
> > > /jobs/354591285/artifacts/file/output/4.19.85-
> > > rc1_1b1960cc7/x86/siemens_iot2000.config/config/.config
> > > >
> > > > Main error below:
> > > >
> > > > 3907   CC [M]  drivers/net/ethernet/mellanox/mlx4/main.o
> > > > 3908   LD [M]  fs/ntfs/ntfs.o
> > > > 3909   CC [M]  drivers/net/ethernet/intel/i40evf/i40e_txrx.o
> > > > 3910   CC [M]  drivers/usb/musb/musb_core.o
> > > > 3911   CC [M]  drivers/net/ethernet/nvidia/forcedeth.o
> > > > 3912   CC [M]  fs/udf/balloc.o
> > > > 3913   CC [M]  drivers/net/ethernet/intel/fm10k/fm10k_debugfs.o
> > > > 3914   CC [M]  fs/udf/dir.o
> > > > 3915   CC [M]  drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.o
> > > > 3916   CC [M]  drivers/net/ethernet/intel/i40e/i40e_ptp.o
> > > > 3917 drivers/net/ethernet/mellanox/mlx4/main.c: In function
> 'mlx4_init_one':
> > > > 3918 drivers/net/ethernet/mellanox/mlx4/main.c:3985:2: error: impli=
cit
> > > declaration of function 'devlink_reload_enable'; did you mean
> > > 'devlink_region_create'? [-Werror=3Dimplicit-function-declaration]
> > > > 3919   devlink_reload_enable(devlink);
> > > > 3920   ^~~~~~~~~~~~~~~~~~~~~
> > > > 3921   devlink_region_create
> > > > 3922   CC [M]  drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.o
> > > > 3923 drivers/net/ethernet/mellanox/mlx4/main.c: In function
> > > 'mlx4_remove_one':
> > > > 3924 drivers/net/ethernet/mellanox/mlx4/main.c:4097:2: error: impli=
cit
> > > declaration of function 'devlink_reload_disable'; did you mean
> > > 'devlink_region_destroy'? [-Werror=3Dimplicit-function-declaration]
> > > > 3925   devlink_reload_disable(devlink);
> > > > 3926   ^~~~~~~~~~~~~~~~~~~~~~
> > > > 3927   devlink_region_destroy
> > > > 3928   CC [M]  drivers/net/ethernet/packetengines/hamachi.o
> > > > 3929   CC [M]  fs/udf/file.o
> > > > 3930   LD [M]  drivers/net/ethernet/intel/fm10k/fm10k.o
> > > >
> > > > I haven't tried to trace the issue further yet, sorry.
> > >
> > > Any chance you can bisect this?  I don't see any obvious reason why t=
his
> > > error should be happening, and it isn't showing up here :(
> >
> > Looking through the commit history, the issue seems to be related to:
> > 672cf82122be ("devlink: disallow reload operation during device cleanup=
")
> >
> > I've reverted this commit and Linux 4.19.85-rc2 (af1bb7db before revert=
) will
> build with the configuration I'm using [2].
> > I haven't looked further yet though, sorry.
> >
> > [2] https://gitlab.com/cip-project/cip-kernel/cip-kernel-
> config/raw/master/4.19.y-cip/x86/siemens_iot2000.config
>=20
> If you add:
> 	#include <net/devlink.h>
> to the top of drivers/net/ethernet/mellanox/mlx4/main.c, does it fix the
> issue for you?

This is already defined:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/=
tree/drivers/net/ethernet/mellanox/mlx4/main.c?h=3Dlinux-4.19.y#n47

Kind regards, Chris

>=20
> If so, I'll modify the file to have that, seems to be some sort of
> include file mess :(
>=20
> thanks,
>=20
> greg k-h