tree: https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git ftrace/core head: f0279affc4bc1999205f517ebfda328c45d295f3 commit: 9cbc281de34f27eb98b86616b8c27f5596572e22 [15/17] ftrace: Add recording of functions that caused recursion config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git/c... git remote add trace https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git git fetch --no-tags trace ftrace/core git checkout 9cbc281de34f27eb98b86616b8c27f5596572e22 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "clk_set_min_rate" [sound/soc/atmel/snd-soc-mchp-spdifrx.ko] undefined! ERROR: modpost: "scp_get_venc_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_ipi_send" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_put" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get_vdec_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_ipi_register" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_mapping_dm_addr" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "scp_get_rproc" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "rproc_boot" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined! ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org