[powerpc:topic/ppc-kvm 4/6] include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm
head:   c95bf4c16099f2ed29a7f6949559bc4187d30710
commit: adf03dd2204acf7eab000a02bdfe50099f2fa089 [4/6] KVM: PPC: Book3s HV: Hold LPIDs in an unsigned long
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230816/202308161348.NnNxubXr-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230816/202308161348.NnNxubXr-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308161348.NnNxubXr-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/powerpc/include/asm/bug.h:116,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:6,
                    from include/linux/pagemap.h:8,
                    from arch/powerpc/kvm/book3s_hv_uvmem.c:89:
   arch/powerpc/kvm/book3s_hv_uvmem.c: In function 'kvmppc_h_svm_init_done':
>> include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap'
     427 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:528:9: note: in expansion of macro 'printk'
     528 |         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:528:16: note: in expansion of macro 'KERN_INFO'
     528 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~
   arch/powerpc/kvm/book3s_hv_uvmem.c:860:9: note: in expansion of macro 'pr_info'
     860 |         pr_info("LPID %d went secure\n", kvm->arch.lpid);
         |         ^~~~~~~


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>

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