linux-kernel - [PATCH 3/5] lib/test_bitmap: switch test_bitmap_parselist to ktime

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190416063801.20134-4-ynorov@marvell.com>
Date:   Mon, 15 Apr 2019 23:37:59 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Matthew Wilcox <willy@...radead.org>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Mike Travis <travis@....com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     Yury Norov <ynorov@...vell.com>, Yury Norov <yury.norov@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] lib/test_bitmap: switch test_bitmap_parselist to ktime_get()

From: Yury Norov <ynorov@...vell.com>

test_bitmap_parselist currently uses get_cycles which is not
implemented on some platforms, so use ktime_get() instead.

Signed-off-by: Yury Norov <ynorov@...vell.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_bitmap.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 792d90608052..63d4a21955f0 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -268,15 +268,15 @@ static void __init test_bitmap_parselist(void)
 {
 	int i;
 	int err;
-	cycles_t cycles;
+	ktime_t time;
 	DECLARE_BITMAP(bmap, 2048);
 
 	for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) {
 #define ptest parselist_tests[i]
 
-		cycles = get_cycles();
+		time = ktime_get();
 		err = bitmap_parselist(ptest.in, bmap, ptest.nbits);
-		cycles = get_cycles() - cycles;
+		time = ktime_get() - time;
 
 		if (err != ptest.errno) {
 			pr_err("test %d: input is %s, errno is %d, expected %d\n",
@@ -293,8 +293,7 @@ static void __init test_bitmap_parselist(void)
 
 		if (ptest.flags & PARSE_TIME)
 			pr_err("test %d: input is '%s' OK, Time: %llu\n",
-					i, ptest.in,
-					(unsigned long long)cycles);
+					i, ptest.in, time);
 	}
 }
 
-- 
2.17.1