netdev - Re: [net:master 1/3] ERROR: modpost: "__uio_register

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Date:   Tue, 1 Dec 2020 20:41:21 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [net:master 1/3] ERROR: modpost: "__uio_register_device"
 undefined!

On 12/1/20 8:01 PM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git master
> head:   2867e1eac61016f59b3d730e3f7aa488e186e917
> commit: 14483cbf040fcb38113497161088a1ce8ce5d713 [1/3] net: broadcom CNIC: requires MMU
> config: microblaze-randconfig-r011-20201201 (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=14483cbf040fcb38113497161088a1ce8ce5d713
>         git remote add net https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
>         git fetch --no-tags net master
>         git checkout 14483cbf040fcb38113497161088a1ce8ce5d713
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
>>> ERROR: modpost: "__uio_register_device" [drivers/net/ethernet/broadcom/cnic.ko] undefined!
>>> ERROR: modpost: "uio_unregister_device" [drivers/net/ethernet/broadcom/cnic.ko] undefined!
>>> ERROR: modpost: "uio_event_notify" [drivers/net/ethernet/broadcom/cnic.ko] undefined!
> 
> ---

Jakub,

This happens due to CONFIG_SCSI_BNX2_ISCSI=m, which selects CNIC
when it shouldn't.

Martin Petersen has already merged the SCSI patch for this (for 5.11,
sadly):

https://lore.kernel.org/lkml/20201129070916.3919-1-rdunlap@infradead.org/


Maybe I should have sent them to one or both of you as a 2-patch series (?).

What should we do next?


Sorry about this. Thanks.

-- 
~Randy