linux-kernel - Re: [PATCH net v2] net: Fix suspicious RCU usage in bpf_sk_reuseport

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Date:   Wed, 17 Aug 2022 13:19:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>, yin31149@...il.com
Cc:     kbuild-all@...ts.01.org, Jakub Kicinski <kuba@...nel.org>,
        netdev@...r.kernel.org, dhowells@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: Fix suspicious RCU usage in
 bpf_sk_reuseport_detach()

Hi David,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Howells/net-Fix-suspicious-RCU-usage-in-bpf_sk_reuseport_detach/20220816-212744
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git ae806c7805571a9813e41bf6763dd08d0706f4ed
config: nios2-buildonly-randconfig-r001-20220815 (https://download.01.org/0day-ci/archive/20220817/202208171301.3cD4S3Ui-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/fe74fdc1e7fe8aa84006265deb7b55f40bcc8736
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review David-Howells/net-Fix-suspicious-RCU-usage-in-bpf_sk_reuseport_detach/20220816-212744
        git checkout fe74fdc1e7fe8aa84006265deb7b55f40bcc8736
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   nios2-linux-ld: kernel/bpf/reuseport_array.o: in function `bpf_sk_reuseport_detach':
>> reuseport_array.c:(.text+0x368): undefined reference to `lockdep_is_held'
   reuseport_array.c:(.text+0x368): relocation truncated to fit: R_NIOS2_CALL26 against `lockdep_is_held'
   `adc3xxx_i2c_remove' referenced in section `.data' of sound/soc/codecs/tlv320adc3xxx.o: defined in discarded section `.exit.text' of sound/soc/codecs/tlv320adc3xxx.o

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp