Hi steven, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.14-rc3 next-20250219] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/steven-chen/ima-define-and-call-ima_alloc_kexec_file_buf/20250219-065931 base: linus/master patch link: https://lore.kernel.org/r/20250218225502.747963-3-chenste%40linux.microsoft.com patch subject: [PATCH v8 2/7] kexec: define functions to map and unmap segments config: x86_64-buildonly-randconfig-004-20250220 (https://download.01.org/0day-ci/archive/20250220/202502200848.MJEuphR1-lkp@xxxxxxxxx/config) 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/20250220/202502200848.MJEuphR1-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502200848.MJEuphR1-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/crash_dump.h:5, from mm/mm_init.c:30: >> include/linux/kexec.h:479:47: warning: 'struct kimage' declared inside parameter list will not be visible outside of this definition or declaration 479 | static inline void *kimage_map_segment(struct kimage *image, unsigned long addr, unsigned long size) | ^~~~~~ vim +479 include/linux/kexec.h 466 467 #define kexec_dprintk(fmt, arg...) \ 468 do { if (kexec_file_dbg_print) pr_info(fmt, ##arg); } while (0) 469 470 extern void *kimage_map_segment(struct kimage *image, unsigned long addr, unsigned long size); 471 extern void kimage_unmap_segment(void *buffer); 472 #else /* !CONFIG_KEXEC_CORE */ 473 struct pt_regs; 474 struct task_struct; 475 static inline void __crash_kexec(struct pt_regs *regs) { } 476 static inline void crash_kexec(struct pt_regs *regs) { } 477 static inline int kexec_should_crash(struct task_struct *p) { return 0; } 478 static inline int kexec_crash_loaded(void) { return 0; } > 479 static inline void *kimage_map_segment(struct kimage *image, unsigned long addr, unsigned long size) 480 { return NULL; } 481 static inline void kimage_unmap_segment(void *buffer) { } 482 #define kexec_in_progress false 483 #endif /* CONFIG_KEXEC_CORE */ 484 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki