tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0f5f12ac05f36f117e793656c3f560625e927f1b commit: 4fa0ee5b7e2ddb44036b40795ca4a79d94edc7d4 [4353/4884] kexec_core: change dependency of object files config: mips-randconfig-r032-20220731 (https://download.01.org/0day-ci/archive/20231206/202312061137.QgjJ4nTc-lkp@xxxxxxxxx/config) compiler: mipsel-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061137.QgjJ4nTc-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/202312061137.QgjJ4nTc-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arch/mips/kernel/machine_kexec.c: In function 'uhi_machine_kexec_prepare': >> arch/mips/kernel/machine_kexec.c:76:17: error: 'kexec_args' undeclared (first use in this function) 76 | kexec_args[0] = -2; | ^~~~~~~~~~ arch/mips/kernel/machine_kexec.c:76:17: note: each undeclared identifier is reported only once for each function it appears in arch/mips/kernel/machine_kexec.c: In function 'machine_kexec_prepare': arch/mips/kernel/machine_kexec.c:97:14: error: implicit declaration of function 'kexec_nonboot_cpu_func' [-Werror=implicit-function-declaration] 97 | if (!kexec_nonboot_cpu_func()) | ^~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c: In function 'kexec_shutdown_secondary': arch/mips/kernel/machine_kexec.c:129:9: error: implicit declaration of function 'kexec_reboot' [-Werror=implicit-function-declaration] 129 | kexec_reboot(); | ^~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c: At top level: arch/mips/kernel/machine_kexec.c:136:1: warning: no previous prototype for 'machine_shutdown' [-Wmissing-prototypes] 136 | machine_shutdown(void) | ^~~~~~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c:152:1: warning: no previous prototype for 'machine_crash_shutdown' [-Wmissing-prototypes] 152 | machine_crash_shutdown(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c: In function 'machine_crash_shutdown': arch/mips/kernel/machine_kexec.c:157:17: error: implicit declaration of function 'default_machine_crash_shutdown'; did you mean '_machine_crash_shutdown'? [-Werror=implicit-function-declaration] 157 | default_machine_crash_shutdown(regs); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | _machine_crash_shutdown arch/mips/kernel/machine_kexec.c: At top level: arch/mips/kernel/machine_kexec.c:161:6: warning: no previous prototype for 'kexec_nonboot_cpu_jump' [-Wmissing-prototypes] 161 | void kexec_nonboot_cpu_jump(void) | ^~~~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c:170:6: warning: no previous prototype for 'kexec_reboot' [-Wmissing-prototypes] 170 | void kexec_reboot(void) | ^~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c:170:6: warning: conflicting types for 'kexec_reboot'; have 'void(void)' arch/mips/kernel/machine_kexec.c:129:9: note: previous implicit declaration of 'kexec_reboot' with type 'void(void)' 129 | kexec_reboot(); | ^~~~~~~~~~~~ arch/mips/kernel/machine_kexec.c: In function 'kexec_reboot': arch/mips/kernel/machine_kexec.c:191:17: error: implicit declaration of function 'kexec_nonboot_cpu'; did you mean 'kexec_nonboot_cpu_jump'? [-Werror=implicit-function-declaration] 191 | kexec_nonboot_cpu(); | ^~~~~~~~~~~~~~~~~ | kexec_nonboot_cpu_jump arch/mips/kernel/machine_kexec.c: In function 'machine_kexec': arch/mips/kernel/machine_kexec.c:259:26: error: 'kexec_smp_wait' undeclared (first use in this function) 259 | (void *)(kexec_smp_wait - relocate_new_kernel); | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kexec_args +76 arch/mips/kernel/machine_kexec.c 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 54 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 55 static int uhi_machine_kexec_prepare(struct kimage *kimage) 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 56 { 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 57 int i; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 58 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 59 /* 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 60 * In case DTB file is not passed to the new kernel, a flat device 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 61 * tree will be created by kexec tool. It holds modified command 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 62 * line for the new kernel. 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 63 */ 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 64 for (i = 0; i < kimage->nr_segments; i++) { 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 65 struct fdt_header fdt; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 66 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 67 if (kimage->segment[i].memsz <= sizeof(fdt)) 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 68 continue; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 69 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 70 if (copy_from_user(&fdt, kimage->segment[i].buf, sizeof(fdt))) 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 71 continue; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 72 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 73 if (fdt_check_header(&fdt)) 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 74 continue; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 75 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 @76 kexec_args[0] = -2; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 77 kexec_args[1] = (unsigned long) 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 78 phys_to_virt((unsigned long)kimage->segment[i].mem); 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 79 break; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 80 } 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 81 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 82 return 0; 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 83 } 2fe8ea39c9a848 Dengcheng Zhu 2018-09-11 84 :::::: The code at line 76 was first introduced by commit :::::: 2fe8ea39c9a8489799cf86bb377fc80492b5b3bf MIPS: kexec: Use prepare method from Generic for UHI platforms :::::: TO: Dengcheng Zhu <dzhu@xxxxxxxxxxxx> :::::: CC: Paul Burton <paul.burton@xxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
