[PATCH v2 3/6] mm: Add VM_FAULT_ARCH_* codes

[kernel test robot]

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@intel.com/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 at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303161725.tJspbzJz-lkp@intel.com/

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) 

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