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Message-ID: <Zs3Hu6pBPWBEdiUF@rli9-mobl>
Date: Tue, 27 Aug 2024 20:34:03 +0800
From: kernel test robot <lkp@...el.com>
To: Yan Zhen <yanzhen@...o.com>, <shuah@...nel.org>
CC: <oe-kbuild-all@...ts.linux.dev>, <linux-kselftest@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <opensource.kernel@...o.com>, Yan Zhen
<yanzhen@...o.com>
Subject: Re: [PATCH v1] selftests:tdx:Use min macro
Hi Yan,
kernel test robot noticed the following build errors:
[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes linus/master v6.11-rc5 next-20240826]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Yan-Zhen/selftests-tdx-Use-min-macro/20240822-125041
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/r/20240822044630.1267500-1-yanzhen%40vivo.com
patch subject: [PATCH v1] selftests:tdx:Use min macro
:::::: branch date: 5 days ago
:::::: commit date: 5 days ago
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408271330.HMq39DWo-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/r/202408271330.HMq39DWo-lkp@intel.com/
All errors (new ones prefixed by >>):
>> tdx_guest_test.c:121:14: error: call to undeclared function 'min'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
121 | line_len = min((len - j), rowsize);
| ^
1 error generated.
vim +/min +121 tools/testing/selftests/tdx/tdx_guest_test.c
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 111
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 112 static void print_array_hex(const char *title, const char *prefix_str,
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 113 const void *buf, int len)
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 114 {
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 115 int i, j, line_len, rowsize = HEX_DUMP_SIZE;
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 116 const __u8 *ptr = buf;
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 117
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 118 printf("\t\t%s", title);
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 119
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 120 for (j = 0; j < len; j += rowsize) {
712bf3fd186eaf Yan Zhen 2024-08-22 @121 line_len = min((len - j), rowsize);
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 122 printf("%s%.8x:", prefix_str, j);
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 123 for (i = 0; i < line_len; i++)
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 124 printf(" %.2x", ptr[j + i]);
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 125 printf("\n");
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 126 }
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 127
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 128 printf("\n");
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 129 }
00e07cfbdf0b23 Kuppuswamy Sathyanarayanan 2022-11-16 130
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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