linux-kernel - [PATCH 2/3] kunit: make kunit_test

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Date:   Wed, 9 Mar 2022 01:47:04 +0000
From:   Peng Liu <liupeng256@...wei.com>
To:     <brendanhiggins@...gle.com>, <glider@...gle.com>,
        <elver@...gle.com>, <dvyukov@...gle.com>,
        <akpm@...ux-foundation.org>, <linux-kselftest@...r.kernel.org>,
        <kunit-dev@...glegroups.com>, <linux-kernel@...r.kernel.org>,
        <kasan-dev@...glegroups.com>, <linux-mm@...ck.org>
CC:     <wangkefeng.wang@...wei.com>, <liupeng256@...wei.com>
Subject: [PATCH 2/3] kunit: make kunit_test_timeout compatible with comment

In function kunit_test_timeout, it is declared "300 * MSEC_PER_SEC"
represent 5min. However, it is wrong when dealing with arm64 whose
default HZ = 250, or some other situations. Use msecs_to_jiffies to
fix this, and kunit_test_timeout will work as desired.

Signed-off-by: Peng Liu <liupeng256@...wei.com>
---
 lib/kunit/try-catch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c
index 6b3d4db94077..f7825991d576 100644
--- a/lib/kunit/try-catch.c
+++ b/lib/kunit/try-catch.c
@@ -52,7 +52,7 @@ static unsigned long kunit_test_timeout(void)
 	 * If tests timeout due to exceeding sysctl_hung_task_timeout_secs,
 	 * the task will be killed and an oops generated.
 	 */
-	return 300 * MSEC_PER_SEC; /* 5 min */
+	return 300 * msecs_to_jiffies(MSEC_PER_SEC); /* 5 min */
 }
 
 void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
-- 
2.18.0.huawei.25