linux-kernel - arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Function parameter or member '2' not described in '_

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Message-ID: <202312130848.I9egksGx-lkp@intel.com>
Date:   Wed, 13 Dec 2023 08:15:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nicolas Iooss <nicolas.iooss_linux@....org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>
Subject: arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Function
 parameter or member '2' not described in '__printf'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cf52eed70e555e864120cfaf280e979e2a035c66
commit: 9120cf4fd9ae77245ce9137869bcbd16575cc633 x86/platform/intel/quark: Add printf attribute to imr_self_test_result()
date:   7 years ago
config: i386-randconfig-012-20231117 (https://download.01.org/0day-ci/archive/20231213/202312130848.I9egksGx-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231213/202312130848.I9egksGx-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312130848.I9egksGx-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/kernel.h:11,
                    from include/asm-generic/bug.h:13,
                    from arch/x86/include/asm/bug.h:35,
                    from include/linux/bug.h:4,
                    from include/linux/mmdebug.h:4,
                    from include/linux/mm.h:8,
                    from arch/x86/platform/intel-quark/imr_selftest.c:17:
   include/linux/log2.h:22:1: warning: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Wattributes]
      22 | int ____ilog2_NaN(void);
         | ^~~
>> arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Function parameter or member '2' not described in '__printf'
   arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Function parameter or member '3' not described in '__printf'
>> arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Excess function parameter 'res' description in '__printf'
>> arch/x86/platform/intel-quark/imr_selftest.c:30: warning: Excess function parameter 'fmt' description in '__printf'
   arch/x86/platform/intel-quark/imr_selftest.c:126: warning: Function parameter or member 'imr_self_test_init' not described in 'device_initcall'


vim +30 arch/x86/platform/intel-quark/imr_selftest.c

28a375df16c2b6 Bryan O'Donoghue 2015-01-30  19  
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  20  #define SELFTEST KBUILD_MODNAME ": "
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  21  /**
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  22   * imr_self_test_result - Print result string for self test.
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  23   *
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  24   * @res:	result code - true if test passed false otherwise.
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  25   * @fmt:	format string.
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  26   * ...		variadic argument list.
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  27   */
9120cf4fd9ae77 Nicolas Iooss    2016-12-19  28  static __printf(2, 3)
9120cf4fd9ae77 Nicolas Iooss    2016-12-19  29  void __init imr_self_test_result(int res, const char *fmt, ...)
28a375df16c2b6 Bryan O'Donoghue 2015-01-30 @30  {
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  31  	va_list vlist;
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  32  
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  33  	/* Print pass/fail. */
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  34  	if (res)
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  35  		pr_info(SELFTEST "pass ");
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  36  	else
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  37  		pr_info(SELFTEST "fail ");
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  38  
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  39  	/* Print variable string. */
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  40  	va_start(vlist, fmt);
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  41  	vprintk(fmt, vlist);
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  42  	va_end(vlist);
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  43  
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  44  	/* Optional warning. */
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  45  	WARN(res == 0, "test failed");
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  46  }
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  47  #undef SELFTEST
28a375df16c2b6 Bryan O'Donoghue 2015-01-30  48  

:::::: The code at line 30 was first introduced by commit
:::::: 28a375df16c2b6d01227541f3956568995aa5fda x86/intel/quark: Add Isolated Memory Regions for Quark X1000

:::::: TO: Bryan O'Donoghue <pure.logic@...us-software.ie>
:::::: CC: Ingo Molnar <mingo@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki