Hi Daniel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 7cf726a59435301046250c42131554d9ccc566b8] url: https://github.com/0day-ci/linux/commits/Daniel-Latypov/lib-add-basic-KUnit-test-for-lib-math/20201020-064737 base: 7cf726a59435301046250c42131554d9ccc566b8 :::::: branch date: 13 days ago :::::: commit date: 13 days ago config: i386-randconfig-s002-20201101 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-68-g49c98aa3-dirty # https://github.com/0day-ci/linux/commit/e268c8ae297dc311e5deb6b25daad9a2f88309ba git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Latypov/lib-add-basic-KUnit-test-for-lib-math/20201020-064737 git checkout e268c8ae297dc311e5deb6b25daad9a2f88309ba # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> lib/math/math_test.c:137:37: sparse: sparse: shift too big (32) for type unsigned long vim +137 lib/math/math_test.c e268c8ae297dc31 Daniel Latypov 2020-10-19 109 e268c8ae297dc31 Daniel Latypov 2020-10-19 110 static void int_sqrt_test(struct kunit *test) e268c8ae297dc31 Daniel Latypov 2020-10-19 111 { e268c8ae297dc31 Daniel Latypov 2020-10-19 112 const char *message_fmt = "sqrt(%lu)"; e268c8ae297dc31 Daniel Latypov 2020-10-19 113 int i; e268c8ae297dc31 Daniel Latypov 2020-10-19 114 e268c8ae297dc31 Daniel Latypov 2020-10-19 115 struct test_case test_cases[] = { e268c8ae297dc31 Daniel Latypov 2020-10-19 116 { e268c8ae297dc31 Daniel Latypov 2020-10-19 117 .a = 0, e268c8ae297dc31 Daniel Latypov 2020-10-19 118 .result = 0, e268c8ae297dc31 Daniel Latypov 2020-10-19 119 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 120 { e268c8ae297dc31 Daniel Latypov 2020-10-19 121 .a = 1, e268c8ae297dc31 Daniel Latypov 2020-10-19 122 .result = 1, e268c8ae297dc31 Daniel Latypov 2020-10-19 123 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 124 { e268c8ae297dc31 Daniel Latypov 2020-10-19 125 .a = 4, e268c8ae297dc31 Daniel Latypov 2020-10-19 126 .result = 2, e268c8ae297dc31 Daniel Latypov 2020-10-19 127 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 128 { e268c8ae297dc31 Daniel Latypov 2020-10-19 129 .a = 5, e268c8ae297dc31 Daniel Latypov 2020-10-19 130 .result = 2, e268c8ae297dc31 Daniel Latypov 2020-10-19 131 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 132 { e268c8ae297dc31 Daniel Latypov 2020-10-19 133 .a = 8, e268c8ae297dc31 Daniel Latypov 2020-10-19 134 .result = 2, e268c8ae297dc31 Daniel Latypov 2020-10-19 135 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 136 { e268c8ae297dc31 Daniel Latypov 2020-10-19 @137 .a = 1UL >> 32, e268c8ae297dc31 Daniel Latypov 2020-10-19 138 .result = 1UL >> 16, e268c8ae297dc31 Daniel Latypov 2020-10-19 139 }, e268c8ae297dc31 Daniel Latypov 2020-10-19 140 }; e268c8ae297dc31 Daniel Latypov 2020-10-19 141 e268c8ae297dc31 Daniel Latypov 2020-10-19 142 for (i = 0; i < ARRAY_SIZE(test_cases); ++i) { e268c8ae297dc31 Daniel Latypov 2020-10-19 143 KUNIT_EXPECT_EQ_MSG(test, int_sqrt(test_cases[i].a), e268c8ae297dc31 Daniel Latypov 2020-10-19 144 test_cases[i].result, message_fmt, e268c8ae297dc31 Daniel Latypov 2020-10-19 145 test_cases[i].a); e268c8ae297dc31 Daniel Latypov 2020-10-19 146 } e268c8ae297dc31 Daniel Latypov 2020-10-19 147 } e268c8ae297dc31 Daniel Latypov 2020-10-19 148 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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