Hi Yury, [auto build test WARNING on linus/master] [also build test WARNING on v4.13-rc4 next-20170808] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Yury-Norov/lib-make-bitmap_parselist-thread-safe-and-much-faster/20170809-105307 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): lib/test_bitmap.c:180:5: warning: large integer implicitly truncated to unsigned type [-Woverflow] 0xfffffffe, 0x3333333311111111, 0xffffffff77777777}; ^ lib/test_bitmap.c:180:5: warning: large integer implicitly truncated to unsigned type [-Woverflow] lib/test_bitmap.c:181:1: warning: large integer implicitly truncated to unsigned type [-Woverflow] static const unsigned long exp2[] = {0x3333333311111111, 0xffffffff77777777}; ^ lib/test_bitmap.c:181:1: warning: large integer implicitly truncated to unsigned type [-Woverflow] lib/test_bitmap.c: In function 'test_bitmap_parselist': >> lib/test_bitmap.c:235:4: warning: format '%lu' expects argument of type >> 'long unsigned int', but argument 4 has type 'cycles_t' [-Wformat=] pr_err("test %d: input is '%s' OK, Time: %lu\n", ^ vim +235 lib/test_bitmap.c 177 178 static const unsigned long exp[] = {1, 2, 0x0000ffff, 0xffff0000, 0x55555555, 179 0xaaaaaaaa, 0x11111111, 0x22222222, 0xffffffff, > 180 0xfffffffe, 0x3333333311111111, > 0xffffffff77777777}; 181 static const unsigned long exp2[] = {0x3333333311111111, 0xffffffff77777777}; 182 183 static const struct test_bitmap_parselist parselist_tests[] __initconst = { 184 {0, "0", &exp[0], 8, 0}, 185 {0, "1", &exp[1], 8, 0}, 186 {0, "0-15", &exp[2], 32, 0}, 187 {0, "16-31", &exp[3], 32, 0}, 188 {0, "0-31:1/2", &exp[4], 32, 0}, 189 {0, "1-31:1/2", &exp[5], 32, 0}, 190 {0, "0-31:1/4", &exp[6], 32, 0}, 191 {0, "1-31:1/4", &exp[7], 32, 0}, 192 {0, "0-31:4/4", &exp[8], 32, 0}, 193 {0, "1-31:4/4", &exp[9], 32, 0}, 194 {0, "0-31:1/4,32-63:2/4", &exp[10], 64, 0}, 195 {0, "0-31:3/4,32-63:4/4", &exp[11], 64, 0}, 196 197 {0, "0-31:1/4,32-63:2/4,64-95:3/4,96-127:4/4", exp2, 128, 0}, 198 199 {0, "0-2047:128/256", NULL, 2048, PARSE_TIME}, 200 201 {-EINVAL, "-1", NULL, 8, 0}, 202 {-EINVAL, "-0", NULL, 8, 0}, 203 {-EINVAL, "10-1", NULL, 8, 0}, 204 {-EINVAL, "0-31:10/1", NULL, 8, 0}, 205 }; 206 207 static void __init test_bitmap_parselist(void) 208 { 209 int i; 210 int err; 211 cycles_t cycles; 212 DECLARE_BITMAP(bmap, 2048); 213 214 for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) { 215 #define ptest parselist_tests[i] 216 217 cycles = get_cycles(); 218 err = bitmap_parselist(ptest.in, bmap, ptest.nbits); 219 cycles = get_cycles() - cycles; 220 221 if (err != ptest.errno) { 222 pr_err("test %d: input is %s, errno is %d, expected %d\n", 223 i, ptest.in, err, ptest.errno); 224 continue; 225 } 226 227 if (!err && ptest.expected 228 && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) { 229 pr_err("test %d: input is %s, result is 0x%lx, expected 0x%lx\n", 230 i, ptest.in, bmap[0], *ptest.expected); 231 continue; 232 } 233 234 if (ptest.flags & PARSE_TIME) > 235 pr_err("test %d: input is '%s' OK, Time: %lu\n", 236 i, ptest.in, cycles); 237 } 238 } 239 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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