Hi Pablo, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20220310] [cannot apply to nf-next/master nf/master linus/master v5.17-rc8 v5.17-rc7 v5.17-rc6 v5.17-rc8] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Pablo-Neira-Ayuso/register-tracking-infrastructure-follow-up/20220314-085726 base: 71941773e143369a73c9c4a3b62fbb60736a1182 config: riscv-randconfig-r042-20220314 (https://download.01.org/0day-ci/archive/20220314/202203141536.2pRQaVTk-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 3e4950d7fa78ac83f33bbf1658e2f49a73719236) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/95cc95fe1fe4ea0141d13453b818a3f14aacf4f0 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Pablo-Neira-Ayuso/register-tracking-infrastructure-follow-up/20220314-085726 git checkout 95cc95fe1fe4ea0141d13453b818a3f14aacf4f0 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.data+0x2b2500): Section mismatch in reference from the variable trace_event_fields_rpcgss_svc_authenticate to the function .init.text:set_reset_devices() The variable trace_event_fields_rpcgss_svc_authenticate references the function __init set_reset_devices() If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: Note: the below error/warnings can be found in parent commit: << WARNING: modpost: vmlinux.o(.text+0x1448baa): Section mismatch in reference from the function tcp4_proc_exit() to the function .init.text:set_reset_devices() << WARNING: modpost: vmlinux.o(.data+0x2b15cc): Section mismatch in reference from the variable event_rpcgss_ctx_init to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b15ec): Section mismatch in reference from the variable event_rpcgss_ctx_init to the variable .exit.text:.LBB0_1 << WARNING: modpost: vmlinux.o(.data+0x2b1618): Section mismatch in reference from the variable event_rpcgss_ctx_destroy to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b1638): Section mismatch in reference from the variable event_rpcgss_ctx_destroy to the variable .exit.text:.LBB0_1 << WARNING: modpost: vmlinux.o(.data+0x2b1660): Section mismatch in reference from the variable trace_event_fields_rpcgss_svc_gssapi_class to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b1690): Section mismatch in reference from the variable trace_event_fields_rpcgss_svc_gssapi_class to the function .init.text:init_nls_cp737() << WARNING: modpost: vmlinux.o(.data+0x2b1be8): Section mismatch in reference from the variable event_rpcgss_svc_unwrap to the function .init.text:set_reset_devices() << WARNING: modpost: vmlinux.o(.data+0x293824): Section mismatch in reference from the variable nf_ct_proto_mutex to the function .init.text:loglevel() << WARNING: modpost: vmlinux.o(.data+0x2b1c08): Section mismatch in reference from the variable event_rpcgss_svc_unwrap to the variable .init.text:.LBB1_1 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx