Hi Li, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20220329] url: https://github.com/intel-lab-lkp/linux/commits/Li-Zhengyu/riscv-kexec-add-kexec_file_load-support/20220330-162008 base: c2528a0cdebd8ba7ef30e0655f8ea89f34c3a633 config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20220330/202203302109.2IHqpKOe-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f59da20dab679116176a82c5b23517ce69584123 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Li-Zhengyu/riscv-kexec-add-kexec_file_load-support/20220330-162008 git checkout f59da20dab679116176a82c5b23517ce69584123 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/purgatory/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/riscv/purgatory/purgatory.c:20:5: warning: no previous prototype for 'verify_sha256_digest' [-Wmissing-prototypes] 20 | int verify_sha256_digest(void) | ^~~~~~~~~~~~~~~~~~~~ >> arch/riscv/purgatory/purgatory.c:36:6: warning: no previous prototype for 'purgatory' [-Wmissing-prototypes] 36 | void purgatory(void) | ^~~~~~~~~ vim +/verify_sha256_digest +20 arch/riscv/purgatory/purgatory.c 19 > 20 int verify_sha256_digest(void) 21 { 22 struct kexec_sha_region *ptr, *end; 23 struct sha256_state ss; 24 u8 digest[SHA256_DIGEST_SIZE]; 25 26 sha256_init(&ss); 27 end = purgatory_sha_regions + ARRAY_SIZE(purgatory_sha_regions); 28 for (ptr = purgatory_sha_regions; ptr < end; ptr++) 29 sha256_update(&ss, (uint8_t *)(ptr->start), ptr->len); 30 sha256_final(&ss, digest); 31 if (memcmp(digest, purgatory_sha256_digest, sizeof(digest)) != 0) 32 return 1; 33 return 0; 34 } 35 > 36 void purgatory(void) -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
