diff options
Diffstat (limited to 'lib/test_bitmap.c')
| -rw-r--r-- | lib/test_bitmap.c | 87 |
1 files changed, 58 insertions, 29 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 6cd7d0740005..d3a501f2a81a 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -11,6 +11,9 @@ #include <linux/printk.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/uaccess.h> + +#include "../tools/testing/selftests/kselftest_module.h" static unsigned total_tests __initdata; static unsigned failed_tests __initdata; @@ -224,7 +227,8 @@ static const unsigned long exp[] __initconst = { BITMAP_FROM_U64(0xffffffff), BITMAP_FROM_U64(0xfffffffe), BITMAP_FROM_U64(0x3333333311111111ULL), - BITMAP_FROM_U64(0xffffffff77777777ULL) + BITMAP_FROM_U64(0xffffffff77777777ULL), + BITMAP_FROM_U64(0), }; static const unsigned long exp2[] __initconst = { @@ -247,55 +251,93 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = { {0, "1-31:4/4", &exp[9 * step], 32, 0}, {0, "0-31:1/4,32-63:2/4", &exp[10 * step], 64, 0}, {0, "0-31:3/4,32-63:4/4", &exp[11 * step], 64, 0}, + {0, " ,, 0-31:3/4 ,, 32-63:4/4 ,, ", &exp[11 * step], 64, 0}, {0, "0-31:1/4,32-63:2/4,64-95:3/4,96-127:4/4", exp2, 128, 0}, {0, "0-2047:128/256", NULL, 2048, PARSE_TIME}, + {0, "", &exp[12 * step], 8, 0}, + {0, "\n", &exp[12 * step], 8, 0}, + {0, ",, ,, , , ,", &exp[12 * step], 8, 0}, + {0, " , ,, , , ", &exp[12 * step], 8, 0}, + {0, " , ,, , , \n", &exp[12 * step], 8, 0}, + {-EINVAL, "-1", NULL, 8, 0}, {-EINVAL, "-0", NULL, 8, 0}, {-EINVAL, "10-1", NULL, 8, 0}, {-EINVAL, "0-31:", NULL, 8, 0}, {-EINVAL, "0-31:0", NULL, 8, 0}, + {-EINVAL, "0-31:0/", NULL, 8, 0}, {-EINVAL, "0-31:0/0", NULL, 8, 0}, {-EINVAL, "0-31:1/0", NULL, 8, 0}, {-EINVAL, "0-31:10/1", NULL, 8, 0}, + {-EOVERFLOW, "0-98765432123456789:10/1", NULL, 8, 0}, + + {-EINVAL, "a-31", NULL, 8, 0}, + {-EINVAL, "0-a1", NULL, 8, 0}, + {-EINVAL, "a-31:10/1", NULL, 8, 0}, + {-EINVAL, "0-31:a/1", NULL, 8, 0}, + {-EINVAL, "0-\n", NULL, 8, 0}, }; -static void __init test_bitmap_parselist(void) +static void __init __test_bitmap_parselist(int is_user) { int i; int err; - cycles_t cycles; + ktime_t time; DECLARE_BITMAP(bmap, 2048); + char *mode = is_user ? "_user" : ""; for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) { #define ptest parselist_tests[i] - cycles = get_cycles(); - err = bitmap_parselist(ptest.in, bmap, ptest.nbits); - cycles = get_cycles() - cycles; + if (is_user) { + mm_segment_t orig_fs = get_fs(); + size_t len = strlen(ptest.in); + + set_fs(KERNEL_DS); + time = ktime_get(); + err = bitmap_parselist_user(ptest.in, len, + bmap, ptest.nbits); + time = ktime_get() - time; + set_fs(orig_fs); + } else { + time = ktime_get(); + err = bitmap_parselist(ptest.in, bmap, ptest.nbits); + time = ktime_get() - time; + } if (err != ptest.errno) { - pr_err("test %d: input is %s, errno is %d, expected %d\n", - i, ptest.in, err, ptest.errno); + pr_err("parselist%s: %d: input is %s, errno is %d, expected %d\n", + mode, i, ptest.in, err, ptest.errno); continue; } if (!err && ptest.expected && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) { - pr_err("test %d: input is %s, result is 0x%lx, expected 0x%lx\n", - i, ptest.in, bmap[0], *ptest.expected); + pr_err("parselist%s: %d: input is %s, result is 0x%lx, expected 0x%lx\n", + mode, i, ptest.in, bmap[0], + *ptest.expected); continue; } if (ptest.flags & PARSE_TIME) - pr_err("test %d: input is '%s' OK, Time: %llu\n", - i, ptest.in, - (unsigned long long)cycles); + pr_err("parselist%s: %d: input is '%s' OK, Time: %llu\n", + mode, i, ptest.in, time); } } +static void __init test_bitmap_parselist(void) +{ + __test_bitmap_parselist(0); +} + +static void __init test_bitmap_parselist_user(void) +{ + __test_bitmap_parselist(1); +} + #define EXP_BYTES (sizeof(exp) * 8) static void __init test_bitmap_arr32(void) @@ -361,30 +403,17 @@ static void noinline __init test_mem_optimisations(void) } } -static int __init test_bitmap_init(void) +static void __init selftest(void) { test_zero_clear(); test_fill_set(); test_copy(); test_bitmap_arr32(); test_bitmap_parselist(); + test_bitmap_parselist_user(); test_mem_optimisations(); - - if (failed_tests == 0) - pr_info("all %u tests passed\n", total_tests); - else - pr_warn("failed %u out of %u tests\n", - failed_tests, total_tests); - - return failed_tests ? -EINVAL : 0; } -static void __exit test_bitmap_cleanup(void) -{ -} - -module_init(test_bitmap_init); -module_exit(test_bitmap_cleanup); - +KSTM_MODULE_LOADERS(test_bitmap); MODULE_AUTHOR("david decotigny <david.decotigny@googlers.com>"); MODULE_LICENSE("GPL"); |