linux-kernel - [PATCH 5.16 0276/1017] kunit: make kunit_test

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Date:   Tue,  5 Apr 2022 09:19:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Peng Liu <liupeng256@...wei.com>,
        Marco Elver <elver@...gle.com>,
        Daniel Latypov <dlatypov@...gle.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Wang Kefeng <wangkefeng.wang@...wei.com>,
        David Gow <davidgow@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0276/1017] kunit: make kunit_test_timeout compatible with comment

From: Peng Liu <liupeng256@...wei.com>

[ Upstream commit bdd015f7b71b92c2e4ecabac689642cc72553e04 ]

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.

Link: https://lkml.kernel.org/r/20220309083753.1561921-3-liupeng256@huawei.com
Fixes: 5f3e06208920 ("kunit: test: add support for test abort")
Signed-off-by: Peng Liu <liupeng256@...wei.com>
Reviewed-by: Marco Elver <elver@...gle.com>
Reviewed-by: Daniel Latypov <dlatypov@...gle.com>
Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
Tested-by: Brendan Higgins <brendanhiggins@...gle.com>
Cc: Alexander Potapenko <glider@...gle.com>
Cc: Dmitry Vyukov <dvyukov@...gle.com>
Cc: Wang Kefeng <wangkefeng.wang@...wei.com>
Cc: David Gow <davidgow@...gle.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 0dd434e40487..71e5c5853099 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)
-- 
2.34.1