netdev - Re: [PATCH net-next v2 1/5] net: move net_get_random

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Date:	Thu, 08 Oct 2015 08:42:03 +0200
From:	Daniel Borkmann <daniel@...earbox.net>
To:	kbuild test robot <lkp@...el.com>
CC:	kbuild-all@...org, davem@...emloft.net, hannes@...essinduktion.org,
	ast@...mgrid.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 1/5] net: move net_get_random_once to lib

On 10/08/2015 07:12 AM, kbuild test robot wrote:
> Hi Hannes,
>
> [auto build test WARNING on net-next/master -- if it's inappropriate base, please ignore]
>
> config: mips-ip27_defconfig (attached as .config)
> reproduce:
>          wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # save the attached .config to linux build tree
>          make.cross ARCH=mips
>
> All warnings (new ones prefixed by >>):
>
>     mips-linux-gnu-ld: lib/lockref.o: warning: Inconsistent ISA between e_flags and .MIPS.abiflags
>     mips-linux-gnu-ld: lib/lockref.o: warning: Inconsistent ISA extensions between e_flags and .MIPS.abiflags
[...]
>     mips-linux-gnu-ld: lib/reciprocal_div.o: warning: Inconsistent ISA between e_flags and .MIPS.abiflags
>     mips-linux-gnu-ld: lib/reciprocal_div.o: warning: Inconsistent ISA extensions between e_flags and .MIPS.abiflags
>>> mips-linux-gnu-ld: lib/once.o: warning: Inconsistent ISA between e_flags and .MIPS.abiflags
>>> mips-linux-gnu-ld: lib/once.o: warning: Inconsistent ISA extensions between e_flags and .MIPS.abiflags

Looks like a known issue on MIPS given the warning is not new also on other object
files. Here was what was discussed recently on this subject on a refactoring patch
from David Ahern:

   https://patchwork.ozlabs.org/patch/525102/

Thanks!

>     mips-linux-gnu-ld: lib/string_helpers.o: warning: Inconsistent ISA between e_flags and .MIPS.abiflags
>     mips-linux-gnu-ld: lib/string_helpers.o: warning: Inconsistent ISA extensions between e_flags and .MIPS.abiflags
[...]
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