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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git x86-efi-zboot head: 738cca58590ea7415e710f5ee3871b5187d8c2b9 commit: 689ef0c8c6fe169b879dd7b60d22b74f31979957 [10/11] efi zboot for x86 config: x86_64-buildonly-randconfig-003-20241126 (https://download.01.org/0day-ci/archive/20241126/202411262318.M82fpGhj-lkp@intel.com/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/20241126/202411262318.M82fpGhj-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202411262318.M82fpGhj-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/firmware/efi/libstub/zboot-decompress.c: In function 'efi_zboot_decompress': >> drivers/firmware/efi/libstub/zboot-decompress.c:42:13: warning: implicit declaration of function '__decompress' [-Wimplicit-function-declaration] 42 | if (__decompress(_gzdata_start, _gzdata_end - _gzdata_start, NULL, NULL, | ^~~~~~~~~~~~ vim +/__decompress +42 drivers/firmware/efi/libstub/zboot-decompress.c 81b8598a12db97 Ard Biesheuvel 2024-11-20 36 81b8598a12db97 Ard Biesheuvel 2024-11-20 37 efi_status_t efi_zboot_decompress(u8 *out, long outlen) 81b8598a12db97 Ard Biesheuvel 2024-11-20 38 { 81b8598a12db97 Ard Biesheuvel 2024-11-20 39 free_mem_ptr = (unsigned long)&zboot_heap; 81b8598a12db97 Ard Biesheuvel 2024-11-20 40 free_mem_end_ptr = free_mem_ptr + sizeof(zboot_heap); 81b8598a12db97 Ard Biesheuvel 2024-11-20 41 81b8598a12db97 Ard Biesheuvel 2024-11-20 @42 if (__decompress(_gzdata_start, _gzdata_end - _gzdata_start, NULL, NULL, :::::: The code at line 42 was first introduced by commit :::::: 81b8598a12db974574994b2c0448f1e2ebf4ff15 efi/libstub: Move zboot decompression code to a separate source file :::::: TO: Ard Biesheuvel :::::: CC: Ard Biesheuvel -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki