Hi Borislav, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: faa52e40c08916893e09ba030e616f92e4fc020b commit: 27dd57ae7b305c8c1bcf55eab82c45d85b605149 [1321/1321] x86/cpu: Load microcode during restore_processor_state() config: x86_64-buildonly-randconfig-002-20241205 (https://download.01.org/0day-ci/archive/20241210/202412100840.h8kOEWMA-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241210/202412100840.h8kOEWMA-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/202412100840.h8kOEWMA-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/x86/power/cpu.c:27: In file included from arch/x86/include/asm/mmu_context.h:12: In file included from arch/x86/include/asm/pgalloc.h:7: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. arch/x86/power/cpu.c:78: warning: Function parameter or member 'ctxt' not described in '__save_processor_state' arch/x86/power/cpu.c:200: warning: Function parameter or member 'ctxt' not described in '__restore_processor_state'

...

arch/x86/power/cpu.o: warning: objtool: missing symbol for section .exit.text

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