linux-kernel - Re: ERROR: modpost: "_

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Message-ID: <2748b074-951c-000a-4d0a-780404e26dab@linux.com>
Date:   Sat, 20 Jun 2020 09:41:28 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: ERROR: modpost: "__mulsi3" undefined!



On 6/19/20 7:17 PM, kernel test robot wrote:
> Hi Denis,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   5e857ce6eae7ca21b2055cca4885545e29228fe2
> commit: e4a42c82e943b97ce124539fcd7a47445b43fa0d kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
> date:   8 days ago
> config: openrisc-randconfig-c022-20200619 (attached as .config)
> compiler: or1k-linux-gcc (GCC) 9.3.0
> 
> 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: "__mulsi3" [drivers/power/supply/pcf50633-charger.ko] undefined!
> ERROR: modpost: "__mulsi3" [drivers/power/supply/max17042_battery.ko] undefined!
>>> ERROR: modpost: "__mulsi3" [drivers/power/supply/max17040_battery.ko] undefined!

I'm not sure, but this report looks to me like the error was already in code before
and the patch only rearranges the report.

> ERROR: modpost: "__mulsi3" [drivers/power/supply/da9150-fg.ko] undefined!
> ERROR: modpost: "__mulsi3" [drivers/power/supply/bq27xxx_battery.ko] undefined!


I found a similar reports:
https://lkml.org/lkml/2020/6/19/341
https://lkml.org/lkml/2019/12/11/2195
https://lkml.org/lkml/2019/12/11/1977

Thanks,
Denis