Hi Elena, Thank you for the patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [cannot apply to kvmarm/next soc/for-next arm/for-next xlnx/master v5.11-rc3 next-20210115] [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] url: https://github.com/0day-ci/linux/commits/Elena-Petrova/UBSan-Enablement-for-hyp-nVHE-code/20210115-112509 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-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://github.com/0day-ci/linux/commit/aba3219bbab3bb5c7f037fe7b6c6c783942bc954 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Elena-Petrova/UBSan-Enablement-for-hyp-nVHE-code/20210115-112509 git checkout aba3219bbab3bb5c7f037fe7b6c6c783942bc954 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/arm64/kvm/hyp/nvhe/ubsan.c:9: >> arch/arm64/kvm/hyp/nvhe/ubsan.c:18:48: error: conflicting types for 'kvm_ubsan_buffer' 18 | DEFINE_KVM_DEBUG_BUFFER(struct kvm_ubsan_info, kvm_ubsan_buffer, | ^~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:95:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' 95 | __PCPU_ATTRS(sec) __weak __typeof__(type) name | ^~~~ arch/arm64/include/asm/kvm_debug_buffer.h:14:2: note: in expansion of macro 'DEFINE_PER_CPU' 14 | DEFINE_PER_CPU(type_name, buffer_name)[size]; \ | ^~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:18:1: note: in expansion of macro 'DEFINE_KVM_DEBUG_BUFFER' 18 | DEFINE_KVM_DEBUG_BUFFER(struct kvm_ubsan_info, kvm_ubsan_buffer, | ^~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:18:48: note: previous declaration of 'kvm_ubsan_buffer' was here 18 | DEFINE_KVM_DEBUG_BUFFER(struct kvm_ubsan_info, kvm_ubsan_buffer, | ^~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:94:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' 94 | extern __PCPU_ATTRS(sec) __typeof__(type) name; \ | ^~~~ arch/arm64/include/asm/kvm_debug_buffer.h:14:2: note: in expansion of macro 'DEFINE_PER_CPU' 14 | DEFINE_PER_CPU(type_name, buffer_name)[size]; \ | ^~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:18:1: note: in expansion of macro 'DEFINE_KVM_DEBUG_BUFFER' 18 | DEFINE_KVM_DEBUG_BUFFER(struct kvm_ubsan_info, kvm_ubsan_buffer, | ^~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:33:6: warning: no previous prototype for '__ubsan_handle_add_overflow' [-Wmissing-prototypes] 33 | void __ubsan_handle_add_overflow(void *_data, void *lhs, void *rhs) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:35:6: warning: no previous prototype for '__ubsan_handle_sub_overflow' [-Wmissing-prototypes] 35 | void __ubsan_handle_sub_overflow(void *_data, void *lhs, void *rhs) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:37:6: warning: no previous prototype for '__ubsan_handle_mul_overflow' [-Wmissing-prototypes] 37 | void __ubsan_handle_mul_overflow(void *_data, void *lhs, void *rhs) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:39:6: warning: no previous prototype for '__ubsan_handle_negate_overflow' [-Wmissing-prototypes] 39 | void __ubsan_handle_negate_overflow(void *_data, void *old_val) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:41:6: warning: no previous prototype for '__ubsan_handle_divrem_overflow' [-Wmissing-prototypes] 41 | void __ubsan_handle_divrem_overflow(void *_data, void *lhs, void *rhs) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:43:6: warning: no previous prototype for '__ubsan_handle_type_mismatch' [-Wmissing-prototypes] 43 | void __ubsan_handle_type_mismatch(struct type_mismatch_data *data, void *ptr) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:45:6: warning: no previous prototype for '__ubsan_handle_type_mismatch_v1' [-Wmissing-prototypes] 45 | void __ubsan_handle_type_mismatch_v1(void *_data, void *ptr) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:47:6: warning: no previous prototype for '__ubsan_handle_out_of_bounds' [-Wmissing-prototypes] 47 | void __ubsan_handle_out_of_bounds(void *_data, void *index) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:49:6: warning: no previous prototype for '__ubsan_handle_shift_out_of_bounds' [-Wmissing-prototypes] 49 | void __ubsan_handle_shift_out_of_bounds(void *_data, void *lhs, void *rhs) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:51:6: warning: no previous prototype for '__ubsan_handle_builtin_unreachable' [-Wmissing-prototypes] 51 | void __ubsan_handle_builtin_unreachable(void *_data) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/ubsan.c:53:6: warning: no previous prototype for '__ubsan_handle_load_invalid_value' [-Wmissing-prototypes] 53 | void __ubsan_handle_load_invalid_value(void *_data, void *val) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvm_ubsan_buffer +18 arch/arm64/kvm/hyp/nvhe/ubsan.c > 9 #include <linux/percpu-defs.h> 10 #include <linux/kvm_host.h> 11 #include <asm/kvm_arm.h> 12 #include <asm/kvm_asm.h> 13 #include <asm/kvm_ubsan.h> 14 #include <asm/kvm_debug_buffer.h> 15 #include <kvm/arm_pmu.h> 16 #include <ubsan.h> 17 > 18 DEFINE_KVM_DEBUG_BUFFER(struct kvm_ubsan_info, kvm_ubsan_buffer, 19 kvm_ubsan_buff_wr_ind, KVM_UBSAN_BUFFER_SIZE); 20 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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