linux-kernel - Re: [PATCH v2 2/2] kbuild: link lib-y objects to vmlinux forcibly when CONFIG

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Date:   Thu, 12 Mar 2020 12:30:13 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kbuild@...r.kernel.org,
        "sparclinux@...r.kernel.org, David S . Miller " <davem@...emloft.net>,
        clang-built-linux@...glegroups.com,
        Al Viro <viro@...iv.linux.org.uk>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Ilie Halip <ilie.halip@...il.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH v2 2/2] kbuild: link lib-y objects to vmlinux forcibly
 when CONFIG_MODULES=y

Hi Masahiro,

I love your patch! Yet something to improve:

[auto build test ERROR on kbuild/for-next]
[also build test ERROR on v5.6-rc5 next-20200311]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Masahiro-Yamada/sparc-revive-__HAVE_ARCH_STRLEN-for-32bit-sparc/20200312-073459
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: mips-cavium_octeon_defconfig (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=9.2.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   mips64-linux-ld: arch/mips/fw/lib/cmdline.o: in function `fw_init_cmdline':
>> cmdline.c:(.init.text+0x0): multiple definition of `fw_init_cmdline'; arch/mips/cavium-octeon/setup.o:setup.c:(.init.text+0xad8): first defined here
   mips64-linux-ld: arch/mips/lib/delay.o: in function `__delay':
>> delay.c:(.text+0x0): multiple definition of `__delay'; arch/mips/cavium-octeon/csrc-octeon.o:csrc-octeon.c:(.text+0x80): first defined here
   mips64-linux-ld: arch/mips/lib/delay.o: in function `__udelay':
>> delay.c:(.text+0x10): multiple definition of `__udelay'; arch/mips/cavium-octeon/csrc-octeon.o:csrc-octeon.c:(.text+0x8): first defined here
   mips64-linux-ld: arch/mips/lib/delay.o: in function `__ndelay':
>> delay.c:(.text+0x50): multiple definition of `__ndelay'; arch/mips/cavium-octeon/csrc-octeon.o:csrc-octeon.c:(.text+0x40): first defined here
   mips64-linux-ld: arch/mips/lib/memcpy.o: in function `memmove':
>> (.text+0x0): multiple definition of `memmove'; arch/mips/cavium-octeon/octeon-memcpy.o:(.text+0x3a0): first defined here
   mips64-linux-ld: arch/mips/lib/memcpy.o: in function `__rmemcpy':
>> (.text+0x20): multiple definition of `__rmemcpy'; arch/mips/cavium-octeon/octeon-memcpy.o:(.text+0x3c0): first defined here
   mips64-linux-ld: arch/mips/lib/memcpy.o: in function `memcpy':
>> (.text+0x80): multiple definition of `memcpy'; arch/mips/cavium-octeon/octeon-memcpy.o:(.text+0x0): first defined here
   mips64-linux-ld: arch/mips/lib/memcpy.o: in function `memcpy':
>> (.text+0x84): multiple definition of `__copy_user'; arch/mips/cavium-octeon/octeon-memcpy.o:(.text+0x4): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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