[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'}

From: kernel test robot
Date: Thu Dec 30 2021 - 03:05:50 EST


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@xxxxxxxxx/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@xxxxxxxxx>

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@xxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
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