Hi Steven, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5536700e483b14a193ce40d6be90b95fb2d7532e commit: 31bf327231bb582ec7dca0490cc90c364b36e095 [1605/1605] tracing: Make sure trace_printk() can output as soon as it can be used config: x86_64-buildonly-randconfig-2004-20250501 (https://download.01.org/0day-ci/archive/20250703/202507031719.pl3k7B4C-lkp@i...) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507031719.pl3k7B4C-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507031719.pl3k7B4C-lkp@intel.com/ All warnings (new ones prefixed by >>):

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kernel/trace/trace_output.o: warning: objtool: missing symbol for section .init.text

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki