linux-kernel - Re: [PATCH v2 1/4] MIPS: Refactor early_parse

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Message-ID: <202202281751.WKuGplhT-lkp@intel.com>
Date:   Tue, 1 Mar 2022 01:34:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Mike Rapoport <rppt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     kbuild-all@...ts.01.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] MIPS: Refactor early_parse_mem() to fix mem=
 parameter

Hi Tiezhu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on hnaz-mm/master]
[also build test WARNING on linus/master v5.17-rc6 next-20220225]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Tiezhu-Yang/MIPS-Modify-mem-and-memmap-parameter/20220228-143251
base:   https://github.com/hnaz/linux-mm master
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220228/202202281751.WKuGplhT-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/0day-ci/linux/commit/ed304f835ff384c8fe9b788e13d3ec4d93878416
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tiezhu-Yang/MIPS-Modify-mem-and-memmap-parameter/20220228-143251
        git checkout ed304f835ff384c8fe9b788e13d3ec4d93878416
        # 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 arch/mips/kernel/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.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/mmdebug.h:5,
                    from include/linux/mm.h:6,
                    from include/linux/memblock.h:12,
                    from arch/mips/kernel/setup.c:17:
   arch/mips/kernel/setup.c: In function 'early_parse_mem':
>> include/linux/kern_levels.h:5:25: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'phys_addr_t' {aka 'unsigned int'} [-Wformat=]
       5 | #define KERN_SOH        "\001"          /* ASCII Start Of Header */
         |                         ^~~~~~
   include/linux/printk.h:418:25: note: in definition of macro 'printk_index_wrap'
     418 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   include/linux/printk.h:509:9: note: in expansion of macro 'printk'
     509 |         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~
   include/linux/kern_levels.h:13:25: note: in expansion of macro 'KERN_SOH'
      13 | #define KERN_NOTICE     KERN_SOH "5"    /* normal but significant condition */
         |                         ^~~~~~~~
   include/linux/printk.h:509:16: note: in expansion of macro 'KERN_NOTICE'
     509 |         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
         |                ^~~~~~~~~~~
   arch/mips/kernel/setup.c:350:9: note: in expansion of macro 'pr_notice'
     350 |         pr_notice("Memory limited to %lldMB\n", memory_limit >> 20);
         |         ^~~~~~~~~


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  

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