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* [goldwynr:iomap 33/33] include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'}
@ 2021-12-30  8:04 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-12-30  8:04 UTC (permalink / raw)
  To: Goldwyn Rodrigues; +Cc: kbuild-all, linux-kernel

tree:   https://github.com/goldwynr/linux iomap
head:   30c74a8c201365178cae26d0d7aefa120c3245ab
commit: 30c74a8c201365178cae26d0d7aefa120c3245ab [33/33] btrfs: debug patch
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20211230/202112301636.DGrhXsTX-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.2.0
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/goldwynr/linux/commit/30c74a8c201365178cae26d0d7aefa120c3245ab
        git remote add goldwynr https://github.com/goldwynr/linux
        git fetch --no-tags goldwynr iomap
        git checkout 30c74a8c201365178cae26d0d7aefa120c3245ab
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=mips SHELL=/bin/bash fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/mips/include/asm/bug.h:42,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:13,
                    from include/asm-generic/current.h:5,
                    from ./arch/mips/include/generated/asm/current.h:1,
                    from include/linux/sched.h:12,
                    from fs/btrfs/volumes.c:6:
   fs/btrfs/volumes.c: In function 'btrfs_map_bio':
>> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:523:9: note: in expansion of macro 'printk'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/linux/printk.h:523:16: note: in expansion of macro 'KERN_INFO'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~
   fs/btrfs/volumes.c:6890:17: note: in expansion of macro 'pr_info'
    6890 |                 pr_info("%s: %d ioend: %lx inode %lu %llu/%lu",
         |                 ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:523:9: note: in expansion of macro 'printk'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/linux/printk.h:523:16: note: in expansion of macro 'KERN_INFO'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~
   fs/btrfs/volumes.c:6901:25: note: in expansion of macro 'pr_info'
    6901 |                         pr_info("%s: %d ioend: %lx inode %lu %llu/%lu",
         |                         ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:523:9: note: in expansion of macro 'printk'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/linux/printk.h:523:16: note: in expansion of macro 'KERN_INFO'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~
   fs/btrfs/volumes.c:6907:25: note: in expansion of macro 'pr_info'
    6907 |                         pr_info("%s: %d ioend: %lx inode %lu %llu/%lu",
         |                         ^~~~~~~
>> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:422:25: note: in definition of macro 'printk_index_wrap'
     422 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:523:9: note: in expansion of macro 'printk'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO       KERN_SOH "6"    /* informational */
         |                         ^~~~~~~~
   include/linux/printk.h:523:16: note: in expansion of macro 'KERN_INFO'
     523 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~
   fs/btrfs/volumes.c:6938:17: note: in expansion of macro 'pr_info'
    6938 |                 pr_info("%s: %d ioend: %lx inode %lu %llu/%lu",
         |                 ^~~~~~~


vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

:::::: The code at line 5 was first introduced by commit
:::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

:::::: TO: Joe Perches <joe@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-12-30  8:04 [goldwynr:iomap 33/33] include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 7 has type 'size_t' {aka 'unsigned int'} kernel test robot

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