Hi Palmer, I love your patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Palmer-Dabbelt/riscv-mm-fault-simplify-code-for-do_page_fault/20230315-111507 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230315030359.14162-4-palmer%40rivosinc.com patch subject: [PATCH v2 3/6] mm: Add VM_FAULT_ARCH_* codes config: s390-randconfig-r044-20230312 (https://download.01.org/0day-ci/archive/20230316/202303161725.tJspbzJz-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/d25cdd69b804d954e31ad8835750a8707e11af32 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Palmer-Dabbelt/riscv-mm-fault-simplify-code-for-do_page_fault/20230315-111507 git checkout d25cdd69b804d954e31ad8835750a8707e11af32 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 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/202303161725.tJspbzJz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/trace/define_trace.h:102, from include/trace/events/fs_dax.h:286, from fs/dax.c:31: include/trace/events/fs_dax.h: In function 'trace_raw_output_dax_pmd_fault_class': >> include/trace/stages/stage3_trace_output.h:70:37: error: expected expression before ',' token 70 | { flag_array, { -1, NULL }}; \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ include/trace/events/fs_dax.h:38:9: note: in expansion of macro 'TP_printk' 38 | TP_printk("dev %d:%d ino %#lx %s %s address %#lx vm_start " | ^~~~~~~~~ include/trace/events/fs_dax.h:50:17: note: in expansion of macro '__print_flags' 50 | __print_flags(__entry->result, "|", VM_FAULT_RESULT_TRACE) | ^~~~~~~~~~~~~ include/trace/events/fs_dax.h: In function 'trace_raw_output_dax_pte_fault_class': >> include/trace/stages/stage3_trace_output.h:70:37: error: expected expression before ',' token 70 | { flag_array, { -1, NULL }}; \ | ^ include/trace/trace_events.h:203:34: note: in definition of macro 'DECLARE_EVENT_CLASS' 203 | trace_event_printf(iter, print); \ | ^~~~~ include/trace/events/fs_dax.h:174:9: note: in expansion of macro 'TP_printk' 174 | TP_printk("dev %d:%d ino %#lx %s %s address %#lx pgoff %#lx %s", | ^~~~~~~~~ include/trace/events/fs_dax.h:182:17: note: in expansion of macro '__print_flags' 182 | __print_flags(__entry->result, "|", VM_FAULT_RESULT_TRACE) | ^~~~~~~~~~~~~ vim +70 include/trace/stages/stage3_trace_output.h 1bc191051dca28 include/trace/stages/stage3_defines.h Linus Torvalds 2022-03-23 65 af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 66) #undef __print_flags af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 67) #define __print_flags(flag, delim, flag_array...) \ af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 68) ({ \ af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 69) static const struct trace_print_flags __flags[] = \ af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 @70) { flag_array, { -1, NULL }}; \ af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 71) trace_print_flags_seq(p, delim, flag, __flags); \ af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 72) }) af6b9668e85ffd include/trace/stages/stage3_defines.h Steven Rostedt (Google 2022-03-03 73) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests