test_bitmap: remove user bitmap tests
authorChristoph Hellwig <hch@lst.de>
Thu, 3 Sep 2020 14:22:36 +0000 (16:22 +0200)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 9 Sep 2020 02:21:33 +0000 (22:21 -0400)
We can't run the tests for userspace bitmap parsing if set_fs() doesn't
exist, and it is about to go away for x86, powerpc with other major
architectures to follow.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
lib/test_bitmap.c

index df903c5..4425a1d 100644 (file)
@@ -354,50 +354,37 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
 
 };
 
-static void __init __test_bitmap_parselist(int is_user)
+static void __init test_bitmap_parselist(void)
 {
        int i;
        int err;
        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]
 
-               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((__force const char __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;
-               }
+               time = ktime_get();
+               err = bitmap_parselist(ptest.in, bmap, ptest.nbits);
+               time = ktime_get() - time;
 
                if (err != ptest.errno) {
-                       pr_err("parselist%s: %d: input is %s, errno is %d, expected %d\n",
-                                       mode, i, ptest.in, err, ptest.errno);
+                       pr_err("parselist: %d: input is %s, errno is %d, expected %d\n",
+                                       i, ptest.in, err, ptest.errno);
                        continue;
                }
 
                if (!err && ptest.expected
                         && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) {
-                       pr_err("parselist%s: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
-                                       mode, i, ptest.in, bmap[0],
+                       pr_err("parselist: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
+                                       i, ptest.in, bmap[0],
                                        *ptest.expected);
                        continue;
                }
 
                if (ptest.flags & PARSE_TIME)
-                       pr_err("parselist%s: %d: input is '%s' OK, Time: %llu\n",
-                                       mode, i, ptest.in, time);
+                       pr_err("parselist: %d: input is '%s' OK, Time: %llu\n",
+                                       i, ptest.in, time);
 
 #undef ptest
        }
@@ -443,75 +430,41 @@ static const struct test_bitmap_parselist parse_tests[] __initconst = {
 #undef step
 };
 
-static void __init __test_bitmap_parse(int is_user)
+static void __init test_bitmap_parse(void)
 {
        int i;
        int err;
        ktime_t time;
        DECLARE_BITMAP(bmap, 2048);
-       char *mode = is_user ? "_user"  : "";
 
        for (i = 0; i < ARRAY_SIZE(parse_tests); i++) {
                struct test_bitmap_parselist test = parse_tests[i];
+               size_t len = test.flags & NO_LEN ? UINT_MAX : strlen(test.in);
 
-               if (is_user) {
-                       size_t len = strlen(test.in);
-                       mm_segment_t orig_fs = get_fs();
-
-                       set_fs(KERNEL_DS);
-                       time = ktime_get();
-                       err = bitmap_parse_user((__force const char __user *)test.in, len,
-                                               bmap, test.nbits);
-                       time = ktime_get() - time;
-                       set_fs(orig_fs);
-               } else {
-                       size_t len = test.flags & NO_LEN ?
-                               UINT_MAX : strlen(test.in);
-                       time = ktime_get();
-                       err = bitmap_parse(test.in, len, bmap, test.nbits);
-                       time = ktime_get() - time;
-               }
+               time = ktime_get();
+               err = bitmap_parse(test.in, len, bmap, test.nbits);
+               time = ktime_get() - time;
 
                if (err != test.errno) {
-                       pr_err("parse%s: %d: input is %s, errno is %d, expected %d\n",
-                                       mode, i, test.in, err, test.errno);
+                       pr_err("parse: %d: input is %s, errno is %d, expected %d\n",
+                                       i, test.in, err, test.errno);
                        continue;
                }
 
                if (!err && test.expected
                         && !__bitmap_equal(bmap, test.expected, test.nbits)) {
-                       pr_err("parse%s: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
-                                       mode, i, test.in, bmap[0],
+                       pr_err("parse: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
+                                       i, test.in, bmap[0],
                                        *test.expected);
                        continue;
                }
 
                if (test.flags & PARSE_TIME)
-                       pr_err("parse%s: %d: input is '%s' OK, Time: %llu\n",
-                                       mode, i, test.in, time);
+                       pr_err("parse: %d: input is '%s' OK, Time: %llu\n",
+                                       i, test.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);
-}
-
-static void __init test_bitmap_parse(void)
-{
-       __test_bitmap_parse(0);
-}
-
-static void __init test_bitmap_parse_user(void)
-{
-       __test_bitmap_parse(1);
-}
-
 #define EXP1_IN_BITS   (sizeof(exp1) * 8)
 
 static void __init test_bitmap_arr32(void)
@@ -675,9 +628,7 @@ static void __init selftest(void)
        test_replace();
        test_bitmap_arr32();
        test_bitmap_parse();
-       test_bitmap_parse_user();
        test_bitmap_parselist();
-       test_bitmap_parselist_user();
        test_mem_optimisations();
        test_for_each_set_clump8();
        test_bitmap_cut();