Hi Roger, Thank you for the patch! Yet something to improve: [auto build test ERROR on xen-tip/linux-next] [also build test ERROR on rafael-pm/linux-next linus/master v6.3-rc3 next-20230321] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Roger-Pau-Monne/ACPI-processor-Fix-evaluating-_PDC-method-when-running-as-Xen-dom0/20230321-221950 base: https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next patch link: https://lore.kernel.org/r/20230321141904.49177-1-roger.pau%40citrix.com patch subject: [PATCH v5] ACPI: processor: Fix evaluating _PDC method when running as Xen dom0 config: arm64-randconfig-r013-20230319 (https://download.01.org/0day-ci/archive/20230322/202303221107.hgKqaZl0-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/4232c8b37a0415e1e828fef4ce522c93a0b925fc git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Roger-Pau-Monne/ACPI-processor-Fix-evaluating-_PDC-method-when-running-as-Xen-dom0/20230321-221950 git checkout 4232c8b37a0415e1e828fef4ce522c93a0b925fc # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303221107.hgKqaZl0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/arm64/xen/../../arm/xen/enlighten.c:2: >> include/xen/xen.h:79:2: error: call to undeclared function 'BUG'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] BUG(); ^ In file included from arch/arm64/xen/../../arm/xen/enlighten.c:4: In file included from include/xen/grant_table.h:48: In file included from include/xen/page.h:28: In file included from arch/arm64/include/asm/xen/page.h:1: In file included from include/xen/arm/page.h:9: In file included from include/linux/dma-mapping.h:7: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/arm64/xen/../../arm/xen/enlighten.c:4: In file included from include/xen/grant_table.h:48: In file included from include/xen/page.h:28: In file included from arch/arm64/include/asm/xen/page.h:1: In file included from include/xen/arm/page.h:9: In file included from include/linux/dma-mapping.h:7: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/arm64/xen/../../arm/xen/enlighten.c:4: In file included from include/xen/grant_table.h:48: In file included from include/xen/page.h:28: In file included from arch/arm64/include/asm/xen/page.h:1: In file included from include/xen/arm/page.h:9: In file included from include/linux/dma-mapping.h:7: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] set->sig[1] | set->sig[0]) == 0; ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/arm64/xen/../../arm/xen/enlighten.c:4: In file included from include/xen/grant_table.h:48: In file included from include/xen/page.h:28: In file included from arch/arm64/include/asm/xen/page.h:1: In file included from include/xen/arm/page.h:9: In file included from include/linux/dma-mapping.h:7: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:100:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] return (set->sig[1] | set->sig[0]) == 0; ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/arm64/xen/../../arm/xen/enlighten.c:4: In file included from include/xen/grant_table.h:48: In file included from include/xen/page.h:28: In file included from arch/arm64/include/asm/xen/page.h:1: In file included from include/xen/arm/page.h:9: In file included from include/linux/dma-mapping.h:7: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/arm64/include/asm/elf.h:141: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: vim +/BUG +79 include/xen/xen.h 73 74 #if defined(CONFIG_XEN_DOM0) && defined(CONFIG_ACPI) && defined(CONFIG_X86) 75 bool __init xen_processor_present(uint32_t acpi_id); 76 #else 77 static inline bool xen_processor_present(uint32_t acpi_id) 78 { > 79 BUG(); 80 return false; 81 } 82 #endif 83 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
