Re: [PATCH 2/3] kunit: make kunit_test_timeout compatible with comment

From: Marco Elver
Date: Wed Mar 09 2022 - 01:03:54 EST


On Wed, 9 Mar 2022 at 02:29, 'Peng Liu' via kasan-dev
<kasan-dev@xxxxxxxxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxx>

Does this need a:

Fixes: 5f3e06208920 ("kunit: test: add support for test abort")

?

> ---
> 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 */

Why not just "300 * HZ" ?

> }
>
> void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
> --
> 2.18.0.huawei.25
>
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