Hi Qiang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3841d75a6dcd12d108aaf56560b99431d18169e4 commit: acfa0f545c7dd43f959c28e8ab4b139c927ba387 [10131/23799] svm: reduce log of run queue and atomic->atomic64 config: x86_64-buildonly-randconfig-002-20240928 (https://download.01.org/0day-ci/archive/20240928/202409281256.6EkX99ER-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240928/202409281256.6EkX99ER-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/202409281256.6EkX99ER-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/sched/debug.c:797:6: warning: no previous prototype for 'sysrq_sched_debug_tidy' [-Wmissing-prototypes] 797 | void sysrq_sched_debug_tidy(void) | ^~~~~~~~~~~~~~~~~~~~~~

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kernel/sched/debug.o: warning: objtool: missing symbol for section .text.unlikely

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