tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git efi-psci head: d78fdf5ff0f616e7923deb07ecce44ca3eb12788 commit: d78fdf5ff0f616e7923deb07ecce44ca3eb12788 [3/3] efi: arm: implement PSCI method backed by EFI runtime code config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id... git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git git fetch --no-tags ardb efi-psci git checkout d78fdf5ff0f616e7923deb07ecce44ca3eb12788 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/firmware/psci/psci.c:12: drivers/firmware/psci/psci.c: In function '__invoke_psci_fn_efi': 1156 | arch_efi_call_virt_setup(); \ | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/firmware/psci/psci.c:137:9: note: in expansion of macro 'efi_call_virt_pointer' 137 | return efi_call_virt_pointer((&efi_psci), psci_handler, function_id, | ^~~~~~~~~~~~~~~~~~~~~ 1159 | __s = arch_efi_call_virt(p, f, args); \ | ^~~~~~~~~~~~~~~~~~ drivers/firmware/psci/psci.c:137:9: note: in expansion of macro 'efi_call_virt_pointer' 137 | return efi_call_virt_pointer((&efi_psci), psci_handler, function_id, | ^~~~~~~~~~~~~~~~~~~~~ 137 | return efi_call_virt_pointer((&efi_psci), psci_handler, function_id, | ^~~~~~~~~~~~ include/linux/efi.h:1159:30: note: in definition of macro 'efi_call_virt_pointer' 1159 | __s = arch_efi_call_virt(p, f, args); \ | ^ drivers/firmware/psci/psci.c:137:44: note: each undeclared identifier is reported only once for each function it appears in 137 | return efi_call_virt_pointer((&efi_psci), psci_handler, function_id, | ^~~~~~~~~~~~ include/linux/efi.h:1159:30: note: in definition of macro 'efi_call_virt_pointer' 1159 | __s = arch_efi_call_virt(p, f, args); \ | ^ 1162 | arch_efi_call_virt_teardown(); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/firmware/psci/psci.c:137:9: note: in expansion of macro 'efi_call_virt_pointer' 137 | return efi_call_virt_pointer((&efi_psci), psci_handler, function_id, | ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/arch_efi_call_virt_setup +1156 include/linux/efi.h 33b6d03469b220 Thiebaud Weksteen 2017-09-20 1130 80e75596079f0a Alex Thorlton 2016-06-25 1131 /* 80e75596079f0a Alex Thorlton 2016-06-25 1132 * Arch code can implement the following three template macros, avoiding 80e75596079f0a Alex Thorlton 2016-06-25 1133 * reptition for the void/non-void return cases of {__,}efi_call_virt(): 80e75596079f0a Alex Thorlton 2016-06-25 1134 * 80e75596079f0a Alex Thorlton 2016-06-25 1135 * * arch_efi_call_virt_setup() 80e75596079f0a Alex Thorlton 2016-06-25 1136 * 80e75596079f0a Alex Thorlton 2016-06-25 1137 * Sets up the environment for the call (e.g. switching page tables, 80e75596079f0a Alex Thorlton 2016-06-25 1138 * allowing kernel-mode use of floating point, if required). 80e75596079f0a Alex Thorlton 2016-06-25 1139 * 80e75596079f0a Alex Thorlton 2016-06-25 1140 * * arch_efi_call_virt() 80e75596079f0a Alex Thorlton 2016-06-25 1141 * 80e75596079f0a Alex Thorlton 2016-06-25 1142 * Performs the call. The last expression in the macro must be the call 80e75596079f0a Alex Thorlton 2016-06-25 1143 * itself, allowing the logic to be shared by the void and non-void 80e75596079f0a Alex Thorlton 2016-06-25 1144 * cases. 80e75596079f0a Alex Thorlton 2016-06-25 1145 * 80e75596079f0a Alex Thorlton 2016-06-25 1146 * * arch_efi_call_virt_teardown() 80e75596079f0a Alex Thorlton 2016-06-25 1147 * 80e75596079f0a Alex Thorlton 2016-06-25 1148 * Restores the usual kernel environment once the call has returned. 80e75596079f0a Alex Thorlton 2016-06-25 1149 */ 80e75596079f0a Alex Thorlton 2016-06-25 1150 80e75596079f0a Alex Thorlton 2016-06-25 1151 #define efi_call_virt_pointer(p, f, args...) \ 80e75596079f0a Alex Thorlton 2016-06-25 1152 ({ \ 80e75596079f0a Alex Thorlton 2016-06-25 1153 efi_status_t __s; \ 80e75596079f0a Alex Thorlton 2016-06-25 1154 unsigned long __flags; \ 80e75596079f0a Alex Thorlton 2016-06-25 1155 \ 80e75596079f0a Alex Thorlton 2016-06-25 @1156 arch_efi_call_virt_setup(); \ 80e75596079f0a Alex Thorlton 2016-06-25 1157 \ 13b210ddf474d9 Julien Thierry 2019-01-31 1158 __flags = efi_call_virt_save_flags(); \ 80e75596079f0a Alex Thorlton 2016-06-25 @1159 __s = arch_efi_call_virt(p, f, args); \ 80e75596079f0a Alex Thorlton 2016-06-25 1160 efi_call_virt_check_flags(__flags, __stringify(f)); \ 80e75596079f0a Alex Thorlton 2016-06-25 1161 \ 80e75596079f0a Alex Thorlton 2016-06-25 @1162 arch_efi_call_virt_teardown(); \ 80e75596079f0a Alex Thorlton 2016-06-25 1163 \ 80e75596079f0a Alex Thorlton 2016-06-25 1164 __s; \ 80e75596079f0a Alex Thorlton 2016-06-25 1165 }) 80e75596079f0a Alex Thorlton 2016-06-25 1166 :::::: The code at line 1156 was first introduced by commit :::::: 80e75596079f0a41f905836ad0ccaac68ba33612 efi: Convert efi_call_virt() to efi_call_virt_pointer() :::::: TO: Alex Thorlton <athorlton(a)sgi.com&gt; :::::: CC: Ingo Molnar <mingo(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org