tree: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next head: e233b65935c946ba420ba1b5a42f9b5625861da8 commit: 17bdef976555d001276f0dc188201399e03b0e90 [2/4] efi: use 32-bit alignment for efi_guid_t literals config: ia64-randconfig-s032-20210312 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git/commit/?id=17... git remote add efi https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git git fetch --no-tags efi next git checkout 17bdef976555d001276f0dc188201399e03b0e90 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" arch/ia64/kernel/efi.c:623:50: sparse: sparse: cast removes address space '__iomem' of expression arch/ia64/kernel/efi.c:635:50: sparse: sparse: cast removes address space '__iomem' of expression arch/ia64/kernel/efi.c:648:50: sparse: sparse: cast removes address space '__iomem' of expression arch/ia64/kernel/efi.c:969:21: sparse: sparse: symbol 'find_memmap_space' was not declared. Should it be static? arch/ia64/kernel/efi.c:65:10: sparse: sparse: cast truncates bits from constant value (eb9d2d becomes 2d) arch/ia64/kernel/efi.c:65:10: sparse: sparse: cast truncates bits from constant value (eb9d becomes 9d) arch/ia64/kernel/efi.c:65:10: sparse: sparse: cast truncates bits from constant value (2d88 becomes 88) arch/ia64/kernel/efi.c:65:10: sparse: sparse: cast truncates bits from constant value (11d3 becomes d3) -- arch/ia64/kernel/mca_drv.c:768:12: sparse: sparse: symbol 'mca_external_handler_init' was not declared. Should it be static? arch/ia64/kernel/mca_drv.c:782:13: sparse: sparse: symbol 'mca_external_handler_exit' was not declared. Should it be static? arch/ia64/kernel/mca_drv.c:264:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:264:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:264:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:264:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:268:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:268:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:268:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:268:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:272:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:272:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:272:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:272:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:276:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:276:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:276:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:276:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:280:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:280:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:280:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:280:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:284:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:284:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:284:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:284:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:288:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:288:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:288:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:288:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) arch/ia64/kernel/mca_drv.c:292:33: sparse: sparse: cast truncates bits from constant value (e429fa becomes fa) arch/ia64/kernel/mca_drv.c:292:33: sparse: sparse: cast truncates bits from constant value (e429 becomes 29) arch/ia64/kernel/mca_drv.c:292:33: sparse: sparse: cast truncates bits from constant value (3cb7 becomes b7) arch/ia64/kernel/mca_drv.c:292:33: sparse: sparse: cast truncates bits from constant value (11d4 becomes d4) vim +61 arch/ia64/kernel/efi.c 5828efb95bc43a Ard Biesheuvel 2019-06-25 59 06c0bd93434c5b Ard Biesheuvel 2020-01-22 60 static const efi_config_table_type_t arch_tables[] __initconst = { 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 @61 {ESI_TABLE_GUID, &esi_phys, "ESI" }, 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 @62 {HCDP_TABLE_GUID, &hcdp_phys, "HCDP" }, 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 @63 {MPS_TABLE_GUID, &mps_phys, "MPS" }, 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 @64 {PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, &palo_phys, "PALO" }, 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 @65 {SAL_SYSTEM_TABLE_GUID, &sal_systab_phys, "SALsystab" }, 4e9a0f73f030e1 Ard Biesheuvel 2020-03-26 66 {}, 272686bf46a34f Leif Lindholm 2013-09-05 67 }; 272686bf46a34f Leif Lindholm 2013-09-05 68 :::::: The code at line 61 was first introduced by commit :::::: 4e9a0f73f030e19a9259b69a7079021048e1f904 efi: Clean up config table description arrays :::::: TO: Ard Biesheuvel <ardb(a)kernel.org&gt; :::::: CC: Ard Biesheuvel <ardb(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org