lkml.org 
[lkml]   [2019]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 6/6] lib/test_bitmap: add tests for bitmap_parselist_user
Date
Propagate existing bitmap_parselist() tests to bitmap_parselist_user().

Signed-off-by: Yury Norov <ynorov@marvell.com>
---
lib/test_bitmap.c | 46 ++++++++++++++++++++++++++++++++++++----------
1 file changed, 36 insertions(+), 10 deletions(-)

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 709424a788ee..d4ecac0da160 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -11,6 +11,7 @@
#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/uaccess.h>

static unsigned total_tests __initdata;
static unsigned failed_tests __initdata;
@@ -278,39 +279,63 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
{-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;
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]

- time = ktime_get();
- err = bitmap_parselist(ptest.in, bmap, ptest.nbits);
- time = ktime_get() - time;
+ 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, time);
+ 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)
@@ -383,6 +408,7 @@ static int __init test_bitmap_init(void)
test_copy();
test_bitmap_arr32();
test_bitmap_parselist();
+ test_bitmap_parselist_user();
test_mem_optimisations();

if (failed_tests == 0)
--
2.17.1
\
 
 \ /
  Last update: 2019-02-20 09:38    [W:0.102 / U:0.604 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site